CN106404506A - Residual chlorine treating unit, and water quality biotoxicity detector - Google Patents
Residual chlorine treating unit, and water quality biotoxicity detector Download PDFInfo
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- CN106404506A CN106404506A CN201610727875.0A CN201610727875A CN106404506A CN 106404506 A CN106404506 A CN 106404506A CN 201610727875 A CN201610727875 A CN 201610727875A CN 106404506 A CN106404506 A CN 106404506A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/76—Chemiluminescence; Bioluminescence
- G01N21/763—Bioluminescence
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/186—Water using one or more living organisms, e.g. a fish
- G01N33/1866—Water using one or more living organisms, e.g. a fish using microorganisms
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Abstract
The invention discloses a residual chlorine treating unit. The residual chlorine treating unit is used for pretreatment when the residual chlorine content of water is higher than a preset value; comprises a residual chlorine detecting device, a heating device, and a chlorine removing device which are connected successively; and is used for detecting the residual chlorine of water. When the content of residual chlorine is higher than the preset value, the heating device is used for heating water, and the residual chlorine is removed by the chlorine removing device. The invention also discloses a water quality biotoxicity detector provided with the residual chlorine treating unit. The residual chlorine treating unit and the water quality biotoxicity detector are capable of avoiding influences of a plurality of factors such as overhigh residual chlorine content of water, overhigh water body temperature, or low water body temperature on experiment results, and improving objective accuracy of water quality biotoxicity detection results effectively.
Description
【Technical field】
The present invention relates to a kind of water quality inspection technique field, more particularly, to a kind of chlorine residue processing unit and adopt this chlorine residue
The water quality biological toxicity detector of processing unit.
【Background technology】
With the high speed development of China's economic, the living standard of people improves constantly, the water quality requirement to domestic water
More and more stricter.However, the China in Recent Years life that constantly the serious water pollution event of outburst gives people cause very big
Threaten.A kind of method that real-time detection is that effectively pre- waterproof is contaminated is carried out to the bio-toxicity of water, also can allow people simultaneously
Know whether the water quality of the water in use is contaminated in time.
At present, photobacteria detection method is the most simple and quick effective detection method of aquatic toxicity.With respect to tradition with
For water flea, algae or fish etc. are the method fetching detection aquatic toxicity between study subject, photobacteria detection method has
The unrivaled advantage such as the test period is short, simple to operate, instrument and equipment is simple, testing result is stable.
But, photobacteria is due to the biological nature of its own, a lot of in the detection process of whole aquatic toxicity
Factor, such as generally people can add bleaching powder in order to kill the bacterium in water, algae in water, maintains the peace of circulation
Entirely stable.But contents of residual chlorine (composition of bleaching powder residual) in water, large effect can be caused to testing result.And it is traditional
Photobacteria detection method, does not account for these factors, leads to the testing result to aquatic toxicity not objective and accurate, impact
The judgement to water quality for the people.
【Content of the invention】
For overcoming the not objective and accurate problem of above-mentioned Conventional luminescent Bacteria Detection method testing result, the present invention provides a kind of
The chlorine residue processing unit of the objective and accurate property of water quality biological toxicity detection result can be effectively improved and processed using this chlorine residue single
The water quality biological toxicity detector of unit.
Solve technical problem scheme be provide a kind of chlorine residue processing unit, described chlorine residue processing unit collection water and
Before photobacteria mixed culture, for pre-processing when being higher than predetermined value to contents of residual chlorine in water, described chlorine residue processes single
Unit includes chlorine residue detection means, heater and the dechlorination device being sequentially connected, described chlorine residue detection means detection collection
The content of chlorine residue in water, described heater is heated to described water when contents of residual chlorine is higher than predetermined value and is filled by dechlorination
Put and the chlorine residue in water is evicted from process.
Preferably, described chlorine residue detection means includes chlorine residue electrode, and in described chlorine residue electrode pair water, the content of chlorine residue is carried out
Detection.
Preferably, described heater includes metallic plate and the pipeline being arranged on metallic plate, described is arranged at metallic plate
On pipeline be in multiple tracks bending shape.
Preferably, described chlorine residue processing unit further includes triple valve and peristaltic pump, and described peristaltic pump is arranged at threeway
Connect between valve and chlorine residue detection means and respectively with triple valve and chlorine residue detection means pipeline, described peristaltic pump is examined to chlorine residue
Survey device and pump into water or air.
The another program solving technical problem is to provide a kind of water quality biological toxicity detector, described water quality biological toxicity inspection
Survey instrument and include above-mentioned chlorine residue processing unit.
Preferably, described water quality biological toxicity detector further includes water temperature control unit, described water temperature control unit
Connect with described dechlorination device pipeline, described water temperature control unit is carried out the water heating up through described heater at cooling
Reason.
Preferably, described water temperature control unit includes the cooling piece being made up of semiconductor alloy, and described cooling piece is to water temperature
Water in control unit carries out cooling process.
Preferably, described water quality biological toxicity detector further includes water sample groove, sample injection unit, culture unit, photoelectricity
Measuring unit, described water sample groove and described water temperature control unit pipeline connect, and water enters after processing through described water temperature control unit
Water sample groove, described sample injection unit is extracted water sample from water sample groove and is mixed with photobacteria in culture unit, described photoelectricity
Measuring unit detects that the luminous intensity of photobacteria obtains testing result.
Preferably, described water quality biological toxicity detector further includes attemperating unit, and described culture unit includes bacterium solution
Storehouse and measurement storehouse, described attemperating unit and described bacterium solution storehouse and measurement storehouse connect, and described attemperating unit is by the temperature in bacterium solution storehouse
Control at 5 DEG C, by the temperature control in measurement storehouse at 15 DEG C -23 DEG C.
Preferably, described water quality biological toxicity detector further includes central control system, described central control system
Electrically connect with chlorine residue processing unit, water temperature control unit, sample injection unit, culture unit, opto-measurement unit and attemperating unit
Connect, control chlorine residue processing unit, water temperature control unit, sample injection unit, culture unit, opto-measurement unit and attemperating unit
Automatically operate.
Compared with prior art, chlorine residue processing unit provided by the present invention has the advantages that：
1st, provide chlorine residue processing unit collection water and photobacteria mixed culture before, for containing to chlorine residue in water
Pre-processed when amount is higher than predetermined value, described chlorine residue processing unit includes chlorine residue detection means, the heater being sequentially connected
And dechlorination device, the water contents of residual chlorine of described chlorine residue detection means detection collection, described heater in contents of residual chlorine is higher than
During predetermined value, described water is heated and process is evicted from chlorine residue by dechlorination device.The process eliminate contents of residual chlorine in water
When too high, the impact to experimental result, can effectively improve the objective and accurate property of water quality biological toxicity detection result.
2nd, in the present invention, chlorine residue detection means is detected using contents of residual chlorine in chlorine residue electrode pair water, chlorine residue electrode detection
Reaction sensitivity, the degree of accuracy high, the accuracy of bio-toxicity testing result of can increasing water quality further.
3rd, heater includes metallic plate and the pipeline being arranged on metallic plate, and the described pipeline that is arranged on metallic plate is in
Multiple tracks bending shape.This set-up mode increased area of heat transfer to greatest extent so that flowing through the water needs in described pipeline
Can rapidly be heated to temperature required during heating.
4th, chlorine residue processing unit includes peristaltic pump, and described peristaltic pump and described chlorine residue detection means pipeline connect, to chlorine residue
Detection means pumps into water or air.Using peristaltic pump, water or air are conveyed, during conveying, water only flows in pump line, does not connect
The tactile pump housing, will not cause secondary pollution to water it is ensured that the accuracy of water quality biological toxicity detection result.
Compared with prior art, water quality biological toxicity detector provided by the present invention has the advantages that：
1st, the water quality biological toxicity detector providing adopts above-mentioned chlorine residue processing unit, eliminates chlorine residue factor to measurement knot
The impact of fruit, can effectively improve the accuracy of water quality biological toxicity detection result.
2nd, the water quality biological toxicity detector providing further includes water temperature control unit, described water temperature control unit and institute
State dechlorination device pipeline to connect, described water temperature control unit carries out cooling process the water heating up through described heater, with
It is easy to the control further to water temperature for the follow up device.The process eliminate the too high or too low shadow to water testing result of coolant-temperature gage
Ring it is ensured that the accuracy of water quality biological toxicity detection result.
3rd, water temperature control unit is controlled to the temperature of water using semiconductor refrigerating technology, this technology without cold-producing medium,
Environment will not be polluted because of leakage of refrigerant；And this Refrigeration Technique does not have moving component, noiselessness, no weares and teares, operation can
Lean on, easy to maintenance.
4th, provide water quality biological toxicity detector further include attemperating unit, described culture unit include bacterium solution storehouse and
Measurement storehouse, attemperating unit and described bacterium solution storehouse and measurement storehouse connect, and the temperature control in bacterium solution storehouse at 5 DEG C, is made by attemperating unit
Obtain photobacteria to preserve in the environment of low temperature, photobacteria premature death can be avoided.The further temperature by measurement storehouse
Control at 15 DEG C -23 DEG C so that photobacteria is at a temperature of the most suitable is cultivated, will not should be that temperature is too high or too low to be made
Become the abnormal growth of photobacteria, the accuracy of bio-toxicity of increasing water quality further testing result.
5th, described CPU includes central control system, described central control system and chlorine residue processing unit, water
Warm control unit, sample injection unit, culture unit, opto-measurement unit and attemperating unit are electrically connected with, and control each unit oneself
Dynamic operating, so that each device can automatical and efficient run, reduces manpower demand.
【Brief description】
Fig. 1 is water quality biological toxicity detector structural representation.
Fig. 2 is chlorine residue processing unit structural representation.
Fig. 3 is chlorine residue detection means stereochemical structure exploded perspective view.
Fig. 4 is heater stereochemical structure exploded perspective view.
Fig. 5 is dechlorination device stereochemical structure exploded perspective view.
Fig. 6 is water temperature control unit structural representation.
Fig. 7 is water temperature control unit stereochemical structure exploded perspective view.
Fig. 8 is water sample groove stereochemical structure exploded perspective view.
Fig. 9 is culture unit three-dimensional structural representation.
Figure 10 is sample injection unit structural representation.
【Specific embodiment】
In order that the purpose of the present invention, technical scheme and advantage become more apparent, below in conjunction with drawings and Examples, right
The present invention further describes.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and without
In the restriction present invention.
Photobacteria detects that the general principle of aquatic toxicity is：The water mixing that photobacteria and collection are come is trained
Support, in incubation, photobacteria can send the visible ray of specific wavelength under normal physiological conditions.If the water of collection
Water quality is contaminated, and water pollutant will suppress or promote the luminous of photobacteria so that the luminous intensity of photobacteria
It is in beyond the luminous intensity value range under normal culture.Degree and the concentration of pollutant and pollutant that luminous intensity changes
The size of toxicity is relevant, therefore, it is possible to just can indirectly be obtained by detecting luminous intensity in incubation for the photobacteria
The pollution level of the water quality of photobacteria must be cultivated.
Refer to Fig. 1, water quality biological toxicity detector 10 provided by the present invention adopts the detection side of above-mentioned photobacteria
Method detects to the bio-toxicity of water, and it includes pretreatment unit 11, water sample groove 12, sample injection unit 13, culture unit 14, temperature
Control device 15, opto-measurement unit 16, waste disposal unit 17 and CPU 18.Described pretreatment unit 11 and need
The water system pipeline of water sample to be gathered connects, and water is acquired, and to the content of chlorine residue in the water of collection and the water of water
Temperature is processed, by the temperature control of the content of chlorine residue in water and water body within the value range setting.Described pretreatment
Unit 11 and water sample groove 12 pipeline connect, and pretreatment unit 11 completes after the process of contents of residual chlorine and water temperature in water through pipeline
Inject water into water sample groove 12.Described water quality biological toxicity detector 10 further include the horizontal panel beating 19a that is detachably connected and
Vertically panel beating 19b, described water sample groove 11 and described culture unit 14 are separately independently arranged on horizontal panel beating 19a, described sample introduction
Unit 13 is arranged on vertical panel beating 19b, and it is in culture unit 14 and luminous that sample injection unit 13 obtains water sample from water sample groove 11
Bacterium is mixed.Described attemperating unit 15 is arranged at below culture unit 14, controls the temperature of culture unit 14.Described
The side wall of opto-measurement unit 16 and described culture unit 14 is detachably connected, and carries out photobacteria culture in culture unit 14
During measure photobacteria luminous intensity.Described waste disposal unit 17 and described culture unit 14 pipeline connect, photoelectricity
After measuring unit 16 completes detection, the waste liquid of culture unit 14 cleaning enters waste disposal unit 17 through piping to be carried out at inactivation
Discharge after reason, will not be to environment.
Further, described water quality biological toxicity detector 10 also includes a CPU 18, described centre
Reason unit 18 includes a central control system and a data acquisition and analysis system.Described central control system and pretreatment are single
At unit 11, water temperature control unit 12, sample injection unit 13, culture unit 14, attemperating unit 15, opto-measurement unit 16 and waste liquid
Reason unit 17 is electrically connected with, and controls pretreatment unit 11, water temperature control unit 12, sample injection unit 13, culture unit 14, temperature control dress
Put 15, opto-measurement unit 16 and the automatic operating of waste disposal unit 17 enables described water quality biological toxicity detector 10
Enough fully automatically the water water quality of collection is detected, reduce manpower demand.
Described data acquisition and analysis system is used for collection and the analysis of detection data, and its storage inside has the reality of prior typing
Test data, the detection data that collection comes and the experimental data of prior typing compare can draw water pollution degree and
The substantially species of pollutant, (be for example belonging to heavy metal pollution and still fall within microorganism pollution), thus form a history number
According to record, it is convenient for people to the judgement of this area's water quality and consulting of history water pollution.
Specifically, detailed further by doing for the inside annexation of whole bio-toxicity detector and operation below
Solution.
Refer to Fig. 2, aforementioned pretreatment unit 11 includes chlorine residue processing unit 11a, this chlorine residue processing unit 11a is used for examining
Survey the content of chlorine residue in gathered water, and work as contents of residual chlorine in water and exceed the internal contents of residual chlorine of chlorine residue processing unit 11a
In range of set value, such as it is more than during 0.1/L and the chlorine residue in water is carried out evict process from so that the content of chlorine residue is in water
Within setting value.After its reason is that water carries out disinfection through bleaching powder, in water quality, remain a certain amount of chlorine residue (the having of bleaching powder
Effect composition), large effect can be produced to the detection of photobacteria cultivation results when contents of residual chlorine is too high, so needing to collection
The water coming first will carry out contents of residual chlorine detection, and when in water, contents of residual chlorine exceedes setting value, chlorine residue is carried out evicting process from, from
And exclude contents of residual chlorine in water too high when impact to measurement result, improve the objective and accurate property of aquatic toxicity measured value.
Described chlorine residue processing unit 11a includes triple valve 111, peristaltic pump 112, chlorine residue detection means 113, heater
114th, dechlorination device 115, the first valve 116 and the second valve 117.Described triple valve 111, peristaltic pump 112, chlorine residue detection means
113rd, heater 114, dechlorination device 115 is attached with pipeline successively according to water treatment process.Further, described dechlorination
The upper end of device 115 is provided with an interface 1153 of giving vent to anger, and the side wall lower ends of dechlorination device 115 are provided with a water outlet mouthpiece
1155, described interface 1153 of giving vent to anger connects through pipeline and described second valve 117, and described water outlet mouthpiece 1155 is through pipeline and described
One valve 116 connects.
Described triple valve 111 includes first interface 1111, second interface 1112 and the 3rd interface 1113.Described first connects
Mouth 1111 and the waterpipe connection needing collection water, second interface 1112 is vented, and the 3rd interface 1113 is through pipeline with peristaltic pump 112
It is connected.Described peristaltic pump 112 includes two interfaces, and one of interface connects with the 3rd interface 1113 of aforementioned triple valve 111,
Another interface connects with described chlorine residue detection means 113 through piping.
See also Fig. 2 and Fig. 3, chlorine residue detection means 113 is used for the content of chlorine residue in the water of detection collection, and it includes
Detection tank 1131, detection cover 1132 and chlorine residue electrode 1133.Described detection tank 1131 is the uncovered cylinder in a upper end
Staving, described detection cover 1132 and described detection tank 1131 are detachably connected and form the sealing entirety in addition to interface.Should
A water inlet interface 1134 and a chlorine residue electrode interface 1135, described water inlet interface 1134 is offered on detection cover 1132
Connect through pipeline and aforementioned peristaltic pump 112, the probe segment of described chlorine residue electrode 1133 stretches into inspection through chlorine residue electrode interface 1135
Survey inside tank 1131.Chlorine residue electrode 1133 and premise central control system are electrically connected with, and control water is entered by central control system
Row detection, and the data detecting is transferred to central control system.In chlorine residue detection means 113 detection process, water is through water inlet
Interface 1134 injection detection tank 1131, in the probe segment immersion water of chlorine residue electrode 1133, (chlorine residue exists in water for secondary chlorine residue acid
Form) form electric current in electrode surface, this size of current is directly proportional to residual chlorine concentration in solution, then pass through to measure the size of electric current
It is assured that the concentration of chlorine residue in solution.Be quick on the draw during chlorine residue electrode detection, the degree of accuracy high, can improve luminous further
The accuracy of germ experiment testing result.The sidewall bottom of described detection tank 1131 is further opened with a water outlet mouthpiece 1136, institute
State water outlet mouthpiece 1136 to connect through pipeline and aforementioned heater 114.
See also Fig. 2 and Fig. 4, described heater 114 is used for the water being gathered being needed heat during heating,
It includes the first metallic plate 1141, the second metallic plate 1142, pipeline 1143, heating plate 1144 and protection board 1145.Described
One metallic plate 1141 includes two planes supporting or opposing, and one of plane opens up and forms multiple tracks bending just like described pipeline 1143
The groove 1146 of shape, described pipeline 1143 is positioned in described groove 1146, subsequent first metallic plate 1141 and the second metal
The one side that plate 1142 opens up fluted 1146 is fastened with bolt and for pipeline 1143 to be folded in the first metallic plate 1141 and
In two metallic plates 1142.Described heating plate 1144 is arranged at the back that described first metallic plate 1141 opens up groove 1146 and is used for
The pipeline 1143 being contained in groove 1146 is heated, described protection board 1145 and described first metallic plate 1141 open up recessed
The back bolt of groove 1146 fastens and forms protection to heating plate 1144.Heating plate 1144 and premise central processing unit 18
Central control system be electrically connected with, control whether the water in pipeline 1143 is heated by central control system.Described pipe
Road 1143 includes a water inlet 1147 and a delivery port 1148, and water inlet 1147 is through pipeline and aforementioned chlorine residue detection means
113 water outlet mouthpiece 1136 connects, and delivery port 1148 connects aforementioned through pipeline and except chlorine residue device 115.
Because the part that described pipeline 1143 is arranged at the first metallic plate 1141 groove 1146 forms multiple tracks bending, maximum limit
Increased area of heat transfer so that the water flowing through in pipeline 1143 needs can rapidly be heated to required temperature during heating degree
Degree.
See also Fig. 2 and Fig. 5, dechlorination device 115 includes dechlorinate tank 1151 and dechlorination cover 1152, described dechlorination tank
1151 is the uncovered cylindrical body in a upper end, and described dechlorination cover 1152 and described dechlorination tank 1151 are detachably connected and are formed
One sealed shell of tank in addition to interface.Dechlorination cover 1152 offers an interface 1153 of giving vent to anger, described interface 1153 warp of giving vent to anger
Pipeline and aforementioned second valve 117 connect.The bottom of dechlorination tank 1151 side wall offers a water inlet interface 1154 and a water outlet
Interface 1155, the delivery port 1148 through pipeline and aforementioned tubular duct 1143 for the water inlet interface 1154 connects, and water outlet mouthpiece 1155 is through pipeline
Connect with aforementioned first valve 116.
Refer to Fig. 6 and Fig. 7, aforementioned pretreatment unit 11 further includes water temperature control unit 11b, described water temperature controls
Unit 11b is used for will needing to carry out preliminary cooling process through the heated water of aforementioned heater 114, in order to follow up device
Control further to water temperature.Its reason is the water gathering training for photobacteria after chlorine residue processing unit 11a process
Support, and the most suitable cultivation temperature of most photobacteria between 15 DEG C -23 DEG C (with specific reference to the photobacteria being adopted not
Different together), the accuracy of the too high or too low dead impact measurement result that can cause photobacteria of temperature.The water of collection is through front
After stating the heating of heater 114, water temperature is about 40 DEG C, so that water temperature is carried out with preliminary cooling process.
Described water temperature control unit 11b includes shell 1181, fixture 1182, tank body 1183, cover 1184, cooling piece
1185 and cover plate 1186.One breach 1187 is offered on the side wall of described shell 1181, fixture 1182 is through breach 1187
It is positioned in shell 1181, and is fastened with bolt with shell 1181, after fastening, fixture 1182 and shell 1181 form one
The uncovered staving in upper end.Described tank body 1183 upper end is uncovered, and this tank body 1183 is positioned in described staving, subsequent cover 1184 He
Shell 1181 is fastenedly connected and tank body 1183 is sealed.Described fixture 1182 open up one the same with cooling piece 1185 shape
Groove 1188, described cooling piece 1185 is positioned in described groove 1188, and described cover plate 1186 and fixture 1182 offer
The one side of groove 1188 fastens, and forms protection to cooling piece 1185.In cooling piece 1185 and premise central processing unit 18
Centre control system is electrically connected with, and is controlled by central control system and the water in tank body 1183 is lowered the temperature, on described tank body 1183
It is additionally provided with a temp probe (not shown), described probe and described central control system are electrically connected with.When temp probe inspection
When to measure the temperature of water in tank body 1183 be higher than setting value, central control system controls cooling piece 1185 to operate, described fixation
Part 1182 and tank body 1183 material are metal, and cooling piece 1185 is lowered the temperature to tank body 1183 through fixture 1182, thus
Connect the effect that the water in tank body 1183 is played with cooling, by water management in range of set value, with sharp subsequent handling to luminous thin
The culture of bacterium.One water inlet interface 1189 and a water outlet mouthpiece 1190, water inlet interface 1189 are further opened with cover 1184
Connect through pipeline and aforementioned first valve 116, water outlet mouthpiece 1190 connects through pipeline and aforementioned water sample groove 11.
Described cooling piece 1185 is made up of semiconductor alloy piece, and this cooling piece 1185 passes through energising to the water in tank body 1183
Lowered the temperature, without cold-producing medium, environment will not be polluted because of leakage of refrigerant；And this Refrigeration Technique does not have moving component,
Noiselessness, no weares and teares, reliable, easy to maintenance.
See also Fig. 2-7, during pretreatment unit 11 work, central control system controls the second of triple valve 111 to connect
Mouth 1112 and the second valve 117 close, and the first interface 1111 of triple valve 111 and the first valve 116 are opened.Water is through peristaltic pump
To chlorine residue detection means 113, the contents of residual chlorine of the water to collection for the chlorine residue detection means 113 measures 112 pumps.Situation one：When
Chlorine residue detection means 113 measures the content of the water chlorine residue of collection in range of set value, when being such as less than equal to 0.1/L, this
When central control system control heating plate 1144 do not work, after the heated device of current 114 and dechlorination device 115 inject water temperature control
Unit 11b processed, central control system controls water temperature control unit 11b that the water temperature of the water of injection is processed setting range quilt, than
In the range of 15 DEG C -23 DEG C.Situation two：When the content that chlorine residue detection means 113 detects the water chlorine residue of collection exceeds setting value,
Now central control system controls the first interface 1111 of triple valve 111 and the first valve 116 to close, and the second of triple valve 111
Interface 1112 and the second valve 117 are opened, and peristaltic pump 112 does not stop to pump into air in pipeline, and central control system controls
Heating plate 1144 brings into operation and for the water in pipeline to be heated to 40 DEG C about.Now, in dechlorination device 115, due to coolant-temperature gage
Raise chlorine residue (in water presented in secondary chlorine residue acid) extremely unstable in water, will decompose out from water with continuous pump
The air entering is discharged through the second valve 117, within content chlorine residue in water is detected up to chlorine residue detector unit 113 is in setting value
When, central control system controls the first interface 1111 of triple valve 111 and the first valve 116 to open, and the second of triple valve 111 connects
Mouth 1112 and the second valve 117 are closed, and heating plate 1144 quits work, and subsequently carries out the flow process of situation one, until chlorine residue detection
The content that device 113 detects chlorine residue in water again exceeds setting value, carries out the flow process of situation two, with this alternately, thus
The contents of residual chlorine passing through the water of chlorine residue processing unit 11a can control within the value range setting.
Described chlorine residue processing unit 11a is conveyed to water or air using peristaltic pump 112, because peristaltic pump 112 is right
During water is conveyed, only flowing in pump line is not exposed to the pump housing to water, and peristaltic pump 112 will not cause secondary dirt to water
Dye is it is ensured that the water quality biological toxicity detector 10 that the provided accuracy to water testing result.
Refer to Fig. 8, water, after pretreatment unit 11 process, enters water sample groove 12, described water sample groove through pipeline
12 include saline slot 121, the first water sample groove 122 and the second water sample groove 123.Described saline slot 121, the first water sample groove 122 with
And second water sample groove 123 be separated from each other and be independently arranged, do not mix.Salt solution is placed, described salt solution is used for adjusting to be sent out in saline slot 121
Osmotic pressure in photobacteria incubation is so that the incubation of photobacteria is normally carried out.Described first water sample groove 122 is placed
The water sample of collection, the second water sample groove 123 places the distilled water without pollutant, and described distilled water is used for the culture of photobacteria,
The experimental result of the water sample that its object is to and gather does whether blank is in normal condition with test experience.Described water sample
Groove 12 also includes one piece of cover plate 124, and described covering version 124 is used for covering water sample groove 12, prevents water sample in experimentation to be subject to
To secondary pollution, described cover plate 124 offers two rounds 1241, described hole 1241 is used for the extraction to water sample for the probe tube.
Refer to Fig. 9, described culture unit 13 is used for preservation and the mixed culture of photobacteria bacterium solution, and it is internally provided with
One bacterium solution storehouse (not shown) and a measurement storehouse (not shown), described bacterium solution storehouse is separately independently arranged with measurement storehouse.Described bacterium
Liquid storehouse is used for the Cord blood of photobacteria, reduces the activity of photobacteria, it is to avoid photobacteria premature death.Described measurement storehouse
Mixing for the recovery of photobacteria, water sample and salt solution and the measurement of photobacteria luminous intensity.This culture unit 13 enters
One step includes a cover plate 131, and described cover plate 131 is used for covering bacterium solution storehouse and measurement storehouse, reduces the secondary pollution of bacterium solution.Institute
State and two rounds 132 are offered on cover plate 131, described hole 132 is used for probe tube and extracts photobacteria bacterium solution and salt solution and water sample
Measurement storehouse is mixed.One sliding panel 133 is additionally provided with described cover plate 131, described sliding panel 133 is used for light electric-examination
Survey unit 16 and cover described hole 132 when detecting photobacteria luminous intensity so that measurement storehouse forms a dark sky
Between, prevent the light measuring outside storehouse from entering measurement storehouse and have influence on measurement result.
Refer to Figure 10, described sample injection unit 14 is used for extracting salt solution and water sample in water sample groove 12, simultaneously in bacterium solution storehouse
Middle extraction bacterium solution is mixed in measurement storehouse, it include a horicontal motion mechanism 141, vertically movable mechanism 142 with
And it is arranged at the probe tube 143 in vertically movable mechanism 142.Described horicontal motion mechanism 141 and vertically movable mechanism 142 He
The central control system of CPU 18 is electrically connected with, and controls motion by central control system, and described probe tube 143 is in water
The cooperation of flat motion 141 and vertically movable mechanism 142 drives lower salt solution, water sample and the bacterium solution extracted on culture unit 13
It is mixed.
Preserved under 5 DEG C about of environment temperature because photobacteria needed to be positioned over before being cultivated, prevented
Photobacteria premature death, additionally, the general cultivation temperature of described photobacteria be 15 DEG C -23 DEG C between (with specific reference to selected
The species of the photobacteria selected and different), the too high or too low abnormal growth that all can cause photobacteria of temperature, lead to measurement result
Inaccurate.So, described culture unit 13 need to connect an attemperating unit 15, and described attemperating unit 15 is used for protecting photobacteria
The temperature control deposited is at 5 DEG C about, and the cultivation temperature of photobacteria is controlled between 15 DEG C -23 DEG C, first extends luminous
The resting period of bacterium, second make photobacteria be in culture at normal temperature, exclude the impact to measurement result for the temperature,
Improve the accuracy of measurement result.
Specifically, the temp probe that described attemperating unit 15 includes being respectively arranged at bacterium solution storehouse with measuring within storehouse (is schemed not
Show) and semiconductor alloy piece (not shown) fixing with bacterium solution storehouse and measurement storehouse respectively.Described attemperating unit 15 and aforementioned
The central control system of central control unit 18 is electrically connected with, and described temp probe detects bacterium solution storehouse and the temperature measuring in storehouse,
And detected temperature is passed to central control system, the signal control that described central control system is transmitted according to temp probe
Semiconductor alloy piece processed is heated with measurement storehouse to bacterium solution storehouse or is freezed, by the temperature control in bacterium solution storehouse and measurement storehouse above-mentioned
Within setting value and setting range value, thus excluding the impact to experimental result for the temperature, improve the accuracy of experimental data.
Described opto-measurement unit 16 is used for detecting the luminous intensity of photobacteria bacterium in incubation.In the present invention
Opto-measurement unit 16 adopt photomultiplier, described photomultiplier and premise central processing unit 18 are electrically connected with, front
The side wall stating measurement storehouse offers hole, and described photomultiplier extend into inside measurement storehouse through described hole, described photomultiplier transit
Pipe includes a negative electrode, is taken in the energy of the photon of photobacteria transmitting by negative electrode and is converted into electronics, its conversion efficiency
(cathode sensitivity) with the photon of incident light number and become, such that it is able to according to electric signal indirect detection to photobacteria send out
Luminous intensity, and the luminous intensity detecting data is transferred to CPU 18 by the form of electric signal.
Compared with prior art, chlorine residue processing unit provided by the present invention has the advantages that：
1st, provide chlorine residue processing unit collection water and photobacteria mixed culture before, for containing to chlorine residue in water
Pre-processed when amount is higher than predetermined value, described chlorine residue processing unit includes chlorine residue detection means, the heater being sequentially connected
And removing chlorine residue device, the water contents of residual chlorine of described chlorine residue detection means detection collection, described heater is high in contents of residual chlorine
When predetermined value, described water is heated and by chlorine residue being evicted from process except chlorine residue device.The process eliminate chlorine residue in water
When content is too high, the impact to experimental result, can effectively improve the objective and accurate property of water quality biological toxicity detection result.
2nd, in the present invention, chlorine residue detection means is detected using contents of residual chlorine in chlorine residue electrode pair water, chlorine residue electrode detection
Reaction sensitivity, the degree of accuracy high, the accuracy of bio-toxicity testing result of can increasing water quality further.
3rd, heater includes metallic plate and the pipeline being arranged on metallic plate, and the described pipeline that is arranged on metallic plate is in
Multiple tracks bending shape.This set-up mode increased area of heat transfer to greatest extent so that flowing through the water needs in described pipeline
Can rapidly be heated to temperature required during heating.
4th, chlorine residue processing unit includes peristaltic pump, and described peristaltic pump and described chlorine residue detection means pipeline connect, to chlorine residue
Detection means pumps into water or air.Using peristaltic pump, water or air are conveyed, during conveying, water only flows in pump line, does not connect
The tactile pump housing, will not cause secondary pollution to water it is ensured that the accuracy of water quality biological toxicity detection result.
Compared with prior art, water quality biological toxicity detector provided by the present invention has the advantages that：
1st, the water quality biological toxicity detector providing adopts above-mentioned chlorine residue processing unit, eliminates chlorine residue factor to measurement knot
The impact of fruit, can effectively improve the accuracy of water quality biological toxicity detection result.
2nd, the water quality biological toxicity detector providing further includes water temperature control unit, described water temperature control unit and institute
State dechlorination device pipeline to connect, described water temperature control unit carries out cooling process the water heating up through described heater, with
It is easy to the control further to water temperature for the follow up device.The process eliminate the too high or too low shadow to water testing result of coolant-temperature gage
Ring it is ensured that the accuracy of water quality biological toxicity detection result.
3rd, water temperature control unit is controlled to the temperature of water using semiconductor refrigerating technology, this technology without cold-producing medium,
Environment will not be polluted because of leakage of refrigerant；And this Refrigeration Technique does not have moving component, noiselessness, no weares and teares, operation can
Lean on, easy to maintenance.
4th, provide water quality biological toxicity detector further include attemperating unit, described culture unit include bacterium solution storehouse and
Measurement storehouse, attemperating unit and described bacterium solution storehouse and measurement storehouse connect, and the temperature control in bacterium solution storehouse at 5 DEG C, is made by attemperating unit
Obtain photobacteria to preserve in the environment of low temperature, photobacteria premature death can be avoided.The further temperature by measurement storehouse
Control at 15 DEG C -23 DEG C so that photobacteria is at a temperature of the most suitable is cultivated, will not should be that temperature is too high or too low to be made
Become the abnormal growth of photobacteria, the accuracy of bio-toxicity of increasing water quality further testing result.
5th, described CPU includes central control system, described central control system and chlorine residue processing unit, water
Warm control unit, sample injection unit, culture unit, opto-measurement unit and attemperating unit are electrically connected with, and control each unit oneself
Dynamic operating, so that each device can automatical and efficient run, reduces manpower demand.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all former in the present invention
Any modification made within then, equivalent and improvement etc. all should comprise within protection scope of the present invention.
Claims (10)
1. a kind of chlorine residue processing unit it is characterised in that：Described chlorine residue processing unit is trained in the water of collection and photobacteria mixing
Before supporting, for pre-processing when being higher than predetermined value to contents of residual chlorine in water, described chlorine residue processing unit includes being sequentially connected
Chlorine residue detection means, heater and dechlorination device, the content of chlorine residue in the water of described chlorine residue detection means detection collection,
Described heater is heated to described water when contents of residual chlorine is higher than predetermined value and is passed through dechlorination device the chlorine residue in water
Evict process from.
2. chlorine residue processing unit as claimed in claim 1 it is characterised in that：Described chlorine residue detection means includes chlorine residue electrode,
In described chlorine residue electrode pair water, the content of chlorine residue is detected.
3. chlorine residue processing unit as claimed in claim 1 it is characterised in that：Described heater includes metallic plate and is arranged at
Pipeline on metallic plate, the described pipeline being arranged on metallic plate is in multiple tracks bending shape.
4. chlorine residue processing unit as claimed in claim 2 it is characterised in that：Further include triple valve and peristaltic pump, described
Peristaltic pump is arranged between triple valve and chlorine residue detection means and connects with triple valve and chlorine residue detection means pipeline respectively, institute
State peristaltic pump and pump into water or air to chlorine residue detection means.
5. a kind of water quality biological toxicity detector it is characterised in that：Described water quality biological toxicity detector includes right such as will
Seek the chlorine residue processing unit described in any one of 1-4.
6. water quality biological toxicity detector as claimed in claim 5 it is characterised in that：Further include water temperature control unit,
Described water temperature control unit and described dechlorination device pipeline connect, and described water temperature control unit is through the intensification of described heater
Water carry out cooling process.
7. water quality biological toxicity detector as claimed in claim 6 it is characterised in that：Described water temperature control unit is included by half
The cooling piece that conductor metal is made, described cooling piece carries out cooling process to the water in water temperature control unit.
8. water quality biological toxicity detector as claimed in claim 7 it is characterised in that：Further include water sample groove, sample introduction list
Unit, culture unit, opto-measurement unit, described water sample groove and described water temperature control unit pipeline connect, and water is through described water temperature control
Water sample groove is entered, described sample injection unit is extracted water sample from water sample groove and mixed with photobacteria in culture unit after cell processing processed
Close culture, described opto-measurement unit detects that the luminous intensity of photobacteria obtains testing result.
9. water quality biological toxicity detector as claimed in claim 8 it is characterised in that：Further include attemperating unit, described
Culture unit includes bacterium solution storehouse and measurement storehouse, and described attemperating unit and described bacterium solution storehouse and measurement storehouse connect, described temperature control dress
Put the temperature control in bacterium solution storehouse at 5 DEG C, by the temperature control in measurement storehouse at 15 DEG C -23 DEG C.
10. water quality biological toxicity detector as claimed in claim 9 it is characterised in that：Further include central control system,
Described central control system and chlorine residue processing unit, water temperature control unit, sample injection unit, culture unit, opto-measurement unit with
And attemperating unit is electrically connected with, control chlorine residue processing unit, water temperature control unit, sample injection unit, culture unit, photoelectric measurement list
Unit and the automatic operating of attemperating unit.
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| CN201610727875.0A CN106404506A (en) | 2016-08-25 | 2016-08-25 | Residual chlorine treating unit, and water quality biotoxicity detector |
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| CN201610727875.0A CN106404506A (en) | 2016-08-25 | 2016-08-25 | Residual chlorine treating unit, and water quality biotoxicity detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110200530A (en) * | 2019-05-17 | 2019-09-06 | 厦门英仕卫浴有限公司 | A kind of health shower |
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Application publication date: 20170215 |