CN201331932Y - Cleaning and calibrating device for density type boron concentration instrument - Google Patents
Cleaning and calibrating device for density type boron concentration instrument Download PDFInfo
- Publication number
- CN201331932Y CN201331932Y CNU2008201824691U CN200820182469U CN201331932Y CN 201331932 Y CN201331932 Y CN 201331932Y CN U2008201824691 U CNU2008201824691 U CN U2008201824691U CN 200820182469 U CN200820182469 U CN 200820182469U CN 201331932 Y CN201331932 Y CN 201331932Y
- Authority
- CN
- China
- Prior art keywords
- container
- cleaning
- electric heater
- solenoid valve
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 45
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910052796 boron Inorganic materials 0.000 title claims abstract description 19
- 238000002955 isolation Methods 0.000 claims description 22
- 239000007788 liquid Substances 0.000 abstract description 14
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000010992 reflux Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model belongs to a cleaning and calibrating device for a boron concentration instrument, in particular to a cleaning and calibrating device for a density type boron concentration instrument. Cleaning and calibrating liquid is filled in a container, an electric heater is arranged in the cleaning and calibrating liquid, a temperature measuring element is arranged above the electric heater in the cleaning and calibrating liquid, a temperature control device disposed outside the container is connected with the electric heater and the temperature measuring element respectively via cables, a power circulation pump communicated with the cleaning and calibrating liquid is arranged outside the bottom of the container, the bottom of the container is communicated with an inlet of the power circulation pump via a pipeline, an outlet of the power circulation pump is communicated with an inlet of a flow meter, an outlet of the flow meter is connected with an regulating valve, and a reflux isolating electromagnetic valve communicated with the inside of the container is arranged on the lateral wall of the container. The utility model can clean and calibrate the concentration instrument without dismounting the same, prolongs the service life of the concentration instrument, and increases measurement precision of the concentration instrument.
Description
Technical field
The utility model belongs to a kind of boron concentration meter cleaning and caliberating device, is specifically related to a kind of density type boron concentration meter cleaning and caliberating device that is used for Nuclear Power Station's Exhausted Fuels pond B solution measurement of concetration.
Background technology
Nuclear Power Station's Exhausted Fuels pond density type boron concentration meter is based on the built-in principle of popping one's head in and changing with Media density oscillation period.Built-in probe contacts actuating medium for a long time, and when the loop emptying was overhauled, the surface can deposit certain solid, changed the eigenfrequency of probe, and influence is accurately measured, the serviceable life of having reduced concentration meter.
The utility model content
The purpose of this utility model is to provide a kind of serviceable life that the dismounting concentration meter could clean and demarcate, prolong concentration meter to it that need not, and improves the density type boron concentration meter cleaning and the caliberating device of the measuring accuracy of concentration meter.
Realize the technical scheme of the utility model purpose: a kind of density type boron concentration meter cleaning and caliberating device, it comprises container, temperature-measuring element, electric heater, temperature control equipment, the power cycle pump, flowmeter, backflow isolation solenoid valve and variable valve, be provided with cleaning and volumetric solution in the container, be provided with electric heater in cleaning and the volumetric solution, in cleaning and the volumetric solution, the electric heater top is provided with temperature-measuring element, temperature control equipment is positioned at outside the container, temperature control equipment by cable respectively with electric heater, temperature-measuring element connects, container bottom is provided with the power cycle pump that communicates with cleaning and volumetric solution outward, container bottom is communicated with by the inlet of pipeline with the power cycle pump, the power cycle delivery side of pump is communicated with the inlet of flowmeter, the outlet of flowmeter is connected with variable valve, and container side wall is provided with the backflow isolation solenoid valve that communicates with internal tank.
Be provided with the blowdown solenoid valve between described power cycle pump and the container bottom.
Described container top is provided with medium input isolation solenoid valve.
Useful technique effect of the present utility model is: need not the dismounting concentration meter can clean and demarcate it, prolongs the serviceable life of concentration meter, improves the measuring accuracy of concentration meter.Circulation in cleaning and the demarcation liquid formation enclosed adopts the power cycle pump to clean and demarcation liquid can select normal pressure and level pressure environment inner sealing to flow, and avoids operating personnel to get involved, and reduces human body and is shone.
Description of drawings
Fig. 1 is the structural representation of a kind of density type boron concentration meter cleaning provided by the utility model and caliberating device;
Fig. 2 is for adopting the structural representation that carries out the line cleaning and demarcate of a kind of density type boron concentration meter cleaning provided by the utility model and caliberating device.
Among the figure: 1. tank container; 2. temperature-measuring element; 3. electric heater; 4. temperature control equipment; 5. power cycle pump; 6. blowdown solenoid valve; 7. flowmeter; 8. medium is imported isolation solenoid valve; 9. backflow isolation solenoid valve; 10. variable valve; 11,12. solenoid valves; 13. concentration meter; 14. cleaning and volumetric solution.
Embodiment
Below in conjunction with drawings and Examples a kind of density type boron concentration meter cleaning provided by the utility model and caliberating device are described in further detail.
As shown in Figure 1, a kind of density type boron concentration meter cleaning and caliberating device, it comprises tank container 1, temperature-measuring element 2, electric heater 3, temperature control equipment 4, power cycle pump 5, blowdown solenoid valve 6, flowmeter 7, medium input isolation solenoid valve 8, backflow isolation solenoid valve 9 and variable valve 10.
Temperature-measuring element 2, electric heater 3 and temperature control equipment 4 are positioned at tank container 1 inside, and power cycle pump 5, blowdown solenoid valve 6, flowmeter 7, medium input isolation solenoid valve 8, backflow isolation solenoid valve 9 and variable valve 10 are positioned at tank container 1 outside.
Be provided with cleaning and volumetric solution 15 in the container 1, be provided with electric heater 3 in cleaning and the volumetric solution 15, in cleaning and the volumetric solution 15, electric heater 3 tops are provided with temperature-measuring element 2, temperature control equipment 4 is positioned at outside the container 1, temperature control equipment 4 by cable respectively with electric heater 3, temperature-measuring element 2 connects, be provided with the power cycle pump 5 that communicates with cleaning and volumetric solution 14 outside container 1 bottom, container 1 bottom is communicated with by the inlet of pipeline with power cycle pump 5, the outlet of power cycle pump 5 is communicated with by the inlet of pipeline with flowmeter 7, the outlet of flowmeter 7 is connected with variable valve 10 by pipeline, and container 1 sidewall is provided with the backflow isolation solenoid valve 9 that communicates with container 1 inside.Container 1 is communicated with backflow isolation solenoid valve 9 by pipeline.
Be provided with blowdown solenoid valve 6 between power cycle pump 5 and container 1 bottom.Blowdown solenoid valve 6 can be set directly at container 1 bottom, both pass through pipeline connection its.Container 1 top is provided with medium input isolation solenoid valve 8, and container 1 passes through pipeline connection with medium input isolation solenoid valve 8.
Temperature-measuring element 2 can adopt platinum-resistance thermometer, also can adopt other temperature-measuring elements of the prior art.Electric heater 3 can adopt disc type electric heater 3, also can adopt electric heater of the prior art, and electric heater 3 surfaces are acid and alkali-resistance solution corrosion material.Temperature control equipment 4 can adopt the digital displaying temperature controller, also can use temperature control equipment of the prior art.
As shown in Figure 2, adopt a kind of density type boron concentration meter cleaning provided by the utility model and caliberating device that density type boron concentration meter is carried out online cleaning and timing signal, close solenoid valve 12 input port and the nuclear power station process pipeline of concentration meter 13 are isolated, close solenoid valve 11 delivery outlet and the nuclear power station process pipeline of concentration meter 13 are isolated.Variable valve 10 is connected by the input port of tee pipe fitting with concentration meter 13, backflow isolation solenoid valve 9 is connected with delivery outlet by tee pipe fitting concentration meter 13.Open medium input isolation solenoid valve 8, liquid hold-up tank input concentration to tank container 1 in is that 16% BAS is as cleaning and volumetric solution 14.The temperature of temperature-measuring element 2 monitoring BASs, temperature control equipment 4 control electric heaters 3 remain in 68～72 ℃ of scopes the temperature of BAS to the BAS heating.Start power cycle pump 5, BAS in the tank container 1 is successively by power cycle pump 5, flowmeter 7 and variable valve 10, the flow of power cycle pump 5 control BASs is in 150～250 liters of/hour scopes, and the flow of BAS shows by flowmeter 7.Input port by concentration meter 13 flows into concentration meter 13 inside, built-in probe to concentration meter 13 cleans, cleaning fluid flows out the back by backflow isolation solenoid valve 9 inflow tank containers 1 from the delivery outlet of concentration meter 13, has promptly finished cleaning and demarcation to density type boron concentration meter 13.After cleaning and demarcation are finished, open blowdown solenoid valve 6, waste liquid is discharged closing volume isolation solenoid valve 9 and variable valve 10 in tank container 1.
The concentration of BAS also can be 5%, 10%, 20% or 40%.
The cut-in operation loop was cleaned and is demarcated when device of the present utility model can on-the-spotly use.Also can onlinely install, liquid hold-up tank and blowdown thing holding tank are injected in the configuration upstream, promptly can realize online cleaning and demarcation easily, realize the integrated control with digitization system.
This device can be used for similar structures, can set up the inside sensing cell cleaning surfaces of the instrument of inner loop, and the decontamination processing of scrapping instrument.Strong than ultrasonic cleaning equipment efficient height, applicability.
In addition, this equipment also is applicable to the inside decontamination of field instrument of the same type such as oil, chemical industry and demarcates and handle.
Claims (3)
1. a density type boron concentration meter cleans and caliberating device, it is characterized in that: it comprises container (1), temperature-measuring element (2), electric heater (3), temperature control equipment (4), power cycle pump (5), flowmeter (7), backflow isolation solenoid valve (9) and variable valve (10), be provided with cleaning and volumetric solution (15) in the container (1), be provided with electric heater (3) in cleaning and the volumetric solution (15), in cleaning and the volumetric solution (15), electric heater (3) top is provided with temperature-measuring element (2), temperature control equipment (4) is positioned at outside the container (1), temperature control equipment (4) by cable respectively with electric heater (3), temperature-measuring element (2) connects, the outer power cycle pump (5) that communicates with cleaning and volumetric solution (14) that is provided with in container (1) bottom, container (1) bottom is communicated with by the inlet of pipeline with power cycle pump (5), the outlet of power cycle pump (5) is communicated with the inlet of flowmeter (7), the outlet of flowmeter (7) is connected with variable valve (10), and container (1) sidewall is provided with the backflow isolation solenoid valve (9) that communicates with container (1) inside.
2. a kind of density type boron concentration meter cleaning according to claim 1 and caliberating device is characterized in that: be provided with blowdown solenoid valve (6) between described power cycle pump (5) and container (1) bottom.
3. a kind of density type boron concentration meter cleaning according to claim 1 and 2 and caliberating device is characterized in that: described container (1) top is provided with medium input isolation solenoid valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201824691U CN201331932Y (en) | 2008-12-31 | 2008-12-31 | Cleaning and calibrating device for density type boron concentration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201824691U CN201331932Y (en) | 2008-12-31 | 2008-12-31 | Cleaning and calibrating device for density type boron concentration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201331932Y true CN201331932Y (en) | 2009-10-21 |
Family
ID=41225314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201824691U Expired - Lifetime CN201331932Y (en) | 2008-12-31 | 2008-12-31 | Cleaning and calibrating device for density type boron concentration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201331932Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101770824B (en) * | 2008-12-31 | 2012-05-23 | 江苏核电有限公司 | Online cleaning and calibration system of density type boron concentration instrument |
| CN108803574A (en) * | 2018-07-04 | 2018-11-13 | 江苏核电有限公司 | A kind of debugging apparatus and its adjustment method of temperature controller |
| CN109459553A (en) * | 2019-01-07 | 2019-03-12 | 陈立峰 | A kind of water quality monitoring pick up calibration liquid recycling method and system |
-
2008
- 2008-12-31 CN CNU2008201824691U patent/CN201331932Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101770824B (en) * | 2008-12-31 | 2012-05-23 | 江苏核电有限公司 | Online cleaning and calibration system of density type boron concentration instrument |
| CN108803574A (en) * | 2018-07-04 | 2018-11-13 | 江苏核电有限公司 | A kind of debugging apparatus and its adjustment method of temperature controller |
| CN109459553A (en) * | 2019-01-07 | 2019-03-12 | 陈立峰 | A kind of water quality monitoring pick up calibration liquid recycling method and system |
| CN109459553B (en) * | 2019-01-07 | 2021-07-23 | 浙江锦成科技有限公司 | Water quality monitoring sensor calibration solution recycling method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091021 Effective date of abandoning: 20081231 |