CN218621422U - Dye liquor pH value automated inspection adjusting device for dye vat - Google Patents
Dye liquor pH value automated inspection adjusting device for dye vat Download PDFInfo
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- CN218621422U CN218621422U CN202223170834.6U CN202223170834U CN218621422U CN 218621422 U CN218621422 U CN 218621422U CN 202223170834 U CN202223170834 U CN 202223170834U CN 218621422 U CN218621422 U CN 218621422U
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- 238000007689 inspection Methods 0.000 title claims description 5
- 239000007788 liquid Substances 0.000 claims abstract description 161
- 238000001514 detection method Methods 0.000 claims abstract description 97
- 239000002253 acid Substances 0.000 claims abstract description 67
- 238000004140 cleaning Methods 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 50
- 238000002347 injection Methods 0.000 claims abstract description 31
- 239000007924 injection Substances 0.000 claims abstract description 31
- 238000003860 storage Methods 0.000 claims abstract description 27
- 238000012423 maintenance Methods 0.000 claims description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 238000001816 cooling Methods 0.000 claims description 30
- 239000000523 sample Substances 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 9
- 239000002351 wastewater Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000000975 dye Substances 0.000 description 214
- 238000005259 measurement Methods 0.000 description 8
- 238000004043 dyeing Methods 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000984 vat dye Substances 0.000 description 1
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Abstract
The utility model discloses a dye liquor pH value automatic detection and adjustment device for dye vat, which comprises a pH electrode detection system, a control system, a dye liquor injection system, a dye liquor discharge system and an acid material injection system, wherein the pH electrode detection system comprises a detection cup provided with a pH electrode; the dye liquor injection system comprises a liquid inlet pipe provided with a liquid inlet electric control valve, the dye liquor discharge system comprises a liquid discharge pipe provided with a liquid discharge electric control valve, the acid material injection system comprises an acid material storage barrel and an acid material output pipe provided with an acid discharge electric control valve, acid materials are stored in the acid material storage barrel, the control system is used for receiving the pH value of the dye liquor sent by the pH electrode detection system, and the acid material injection system is controlled to inject quantitative acid materials into the dye vat main cylinder or the dye vat auxiliary cylinder according to the pH value of the dye liquor in the detection cup. The utility model discloses can carry out real-time supervision and automatic adjustment to the pH value of dye liquor, reduce the waste of dye vat rate, cost of labor and production resource, can also realize self-cleaning, improve product life.
Description
Technical Field
The utility model relates to a dye liquor pH value adjusts the field in the dyeing field, especially relates to a dye liquor pH value automated inspection adjusting device for dye vat.
Background
At present, dyeing and finishing factories generally use dyes to dye yarns, woven belts, zippers, cloth and the like in batches, the dyes for dyeing have use requirements on the pH value range of dye liquor in a dye vat, if the pH value range of the dye liquor exceeds the use requirements, the dyed colors can have depth change and color light change, the requirements of leaving the factory cannot be met, a large number of products are subjected to batch re-dyeing, the labor cost and the waste of production resources are caused, the sewage discharge amount is increased, and the environmental pollution is caused.
When a dye factory dyes, the pH value of the existing dye liquor is adjusted by manpower, the operation steps are complicated and time-consuming, and the production efficiency is reduced. Meanwhile, the acid consumption for adjusting the pH value is obtained by conversion through a formula or experience, and due to different types of purchased commodity acids or unstable quality of the commodity acids, the error between the pH value of the dye liquor obtained by adding the converted acid consumption into the dye liquor and the pH value required by actual use is too large, so that the dye-back rate is increased, and a large amount of resources are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dye liquor pH value automated inspection adjusting device for dye vat can carry out real-time supervision and automatic adjustment to the pH value of dye liquor in the dye vat, reduces the waste of dye vat dye rate, cost of labor and production resource, can also realize self-cleaning simultaneously, improves product life.
The utility model adopts the following technical proposal:
a dye liquor pH value automatic detection adjusting device for dye vat comprises a pH electrode detection system, a control system, a dye liquor injection system, a dye liquor discharge system and an acid material injection system;
the pH electrode detection system comprises a detection cup provided with a pH electrode, and the detection cup is respectively communicated with a dye liquor injection system and a dye liquor discharge system; the signal output end of the pH electrode is connected with a control system; the pH electrode detection system is used for detecting the pH value of the dye liquor injected into the detection cup by the dye liquor injection system;
the dye liquor injection system comprises a liquor inlet pipe provided with a liquor inlet electric control valve, a liquor inlet of the liquor inlet pipe is connected with a water outlet of a circulating pump arranged in a dye vat main cylinder, and a liquor outlet of the liquor inlet pipe is communicated with a detection cup; the dye liquor injection system is used for injecting the dye liquor in the dye vat main cylinder into the detection cup; the control signal input end of the liquid inlet electric control valve is connected with the control system;
the dye liquor discharge system comprises a liquor discharge pipe provided with a liquor discharge electric control valve, the liquor inlet end of the liquor discharge pipe is communicated with the detection cup, and the liquor outlet end of the liquor discharge pipe is communicated with the dye vat main cylinder or the dye vat auxiliary cylinder; the dye liquor discharge system is used for discharging the dye liquor in the detection cup into the dye vat main cylinder or the dye vat auxiliary cylinder; the control signal input end of the liquid discharge electric control valve is connected with the control system;
the acid material injection system comprises an acid material storage barrel and an acid material output pipe provided with an acid discharge electric control valve, wherein an acid material is stored in the acid material storage barrel, and a discharge port of the acid material storage barrel is communicated with the dye vat main cylinder or the dye vat auxiliary cylinder through the acid material output pipe; the control signal input end of the acid discharge electric control valve is connected with the control system;
the control system is used for receiving the pH value of the dye liquor in the detection cup sent by the pH electrode detection system, and controlling the acid material injection system to inject a quantitative acid material into the dye vat main cylinder or the dye vat auxiliary cylinder according to the pH value of the dye liquor in the detection cup.
The detection cup comprises a closed detection cup body, the pH electrode is detachably arranged in the detection cup body, a dye liquor inlet is arranged at the lower part of the detection cup body, and the dye liquor inlet is connected with a dye liquor injection system; the lower end of the cup body of the detection cup is provided with a dye liquor drainage port which is communicated with a dye liquor drainage system; the side wall of the detection cup body is provided with a maintenance liquid inlet, the maintenance liquid inlet is provided with a spraying device, and the spraying device is connected with a maintenance liquid conveying device.
The maintenance liquid conveying device comprises a cleaning liquid output device and an electrode maintenance liquid storage barrel, the spraying device is respectively connected with a first cleaning liquid pipeline and an electrode maintenance liquid pipeline through a first three-way pipe fitting, the first cleaning liquid pipeline provided with a cleaning liquid electric control valve is communicated with the cleaning liquid output device, and the electrode maintenance liquid pipeline provided with an electrode maintenance liquid inlet electric control valve is communicated with the electrode maintenance liquid storage barrel; the control signal input ends of the cleaning liquid electric control valve and the electrode maintenance liquid inlet electric control valve are respectively connected with a control system; the middle part of the liquid discharge pipe is connected with the electrode maintenance liquid discharge pipe through a second three-way pipe fitting, the liquid discharge electric control valve is arranged on the liquid discharge pipe below the second three-way pipe fitting, the electrode maintenance liquid discharge electric control valve is arranged on the electrode maintenance liquid discharge pipe, and the lower end of the electrode maintenance liquid discharge pipe is communicated with a wastewater tank.
The dye liquor cooling system is characterized by further comprising a dye liquor cooling system, wherein the liquor inlet end of the dye liquor cooling system is connected with the liquor inlet pipe, and the liquor outlet end of the dye liquor cooling system is connected with a dye liquor inlet arranged at the lower part of the cup body of the detection cup.
The dye liquor cooling system adopts air-cooled condensing equipment, the air-cooled condensing equipment comprises a condensing pipe and a cooling fan arranged above the condensing pipe, and the control system is in control connection with the cooling fan.
The dye liquor cooling system adopts water-cooling condensing equipment, the water-cooling condensing equipment comprises a water tank and a condensing pipe arranged in the water tank, a water inlet and a water outlet of the water tank are respectively provided with a water tank water inlet electric control valve and a water tank water drainage electric control valve, and a control system is in control connection with the water tank water inlet electric control valve and the water tank water drainage electric control valve.
The temperature probe is detachably arranged in the detection cup body, the signal output end of the temperature probe is connected with the signal input end of the control system, and the temperature probe is positioned below the dye solution inlet and the pH electrode.
And a discharge port of the acid material storage barrel is provided with a flowmeter, and a signal output end of the flowmeter is connected with a signal input end of a control system.
The side wall of the cup body of the detection cup is provided with a liquid level meter and an overflow hole, the liquid level meter is positioned below the overflow hole and is higher than the lower end surface of the pH electrode, the signal output end of the liquid level meter is connected with the signal input end of the control system, and the overflow hole is connected with the dye vat main cylinder or the dye vat auxiliary cylinder through an overflow pipeline.
The liquid inlet pipe and the condenser pipe are connected with a cleaning liquid output device through a second cleaning pipeline provided with a pipeline cleaning electric control valve.
The utility model can utilize the dye liquor injection system to inject the dye liquor in the dye vat main cylinder into the pH electrode detection system and detect the pH value, and the dye liquor is discharged into the dye vat main cylinder or the dye vat auxiliary cylinder again after detection; then injecting a proper amount of acid materials into the main cylinder or the auxiliary cylinder of the dye vat according to the detection result; and repeatedly executing the steps according to the method until the dye liquor in the main cylinder of the dye vat reaches the set pH target value. The utility model can monitor and automatically adjust the pH value of the dye liquor in the dye vat in real time, and reduce the dye-back rate, the labor cost and the waste of production resources;
further, the utility model discloses can wash self-cleaning to the pH electrode in the testing process to utilize electrode maintenance liquid to soak the protection to the measuring end of pH electrode, can effectively improve product life. And simultaneously, the utility model discloses still utilize condensing equipment to treat and detect the dye liquor and cool down to further protect the pH electrode and improve and detect the precision.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic diagram of the present invention.
Detailed Description
The invention is described in detail below with reference to the following figures and examples:
as shown in fig. 1 and fig. 2, the automatic detecting and adjusting device for pH value of dye vat of the present invention comprises a pH electrode detecting system, a control system, a dye solution injecting system, a dye solution discharging system and an acid material injecting system;
the pH electrode detection system comprises a detection cup 2 provided with a pH electrode 1, and the detection cup 2 is respectively communicated with a dye liquor injection system and a dye liquor discharge system; the signal output end of the pH electrode 1 is connected with a control system; the pH electrode detection system is used for detecting the pH value of the dye liquor filled into the detection cup 2 through the dye liquor filling system, and after the detected pH value of the dye liquor is sent to the control system, the dye liquor in the detection cup 2 is discharged through the dye liquor discharging system;
the dye liquor injection system comprises a liquor inlet pipe 4 provided with a liquor inlet electric control valve 3, a liquor inlet of the liquor inlet pipe 4 is connected with a water outlet of a circulating pump arranged on a dye vat main cylinder 5 (if a dye vat auxiliary cylinder 6 exists, the circulating pump 7 is arranged between the dye vat main cylinder 5 and the dye vat auxiliary cylinder 6, the liquor inlet of the liquor inlet pipe 4 is connected with a water outlet of the circulating pump 7 arranged between the dye vat main cylinder 5 and the dye vat auxiliary cylinder 6 at the moment), and a liquor outlet of the liquor inlet pipe 4 is communicated with a detection cup 2; the dye liquor injection system is used for injecting the dye liquor in the dye vat main cylinder 5 into the detection cup 2 through the circulating pump 7 for detection of the pH electrode 1; the control signal input end of the liquid inlet electric control valve 3 is connected with a control system;
the dye liquor discharge system comprises a liquid discharge pipe 9 provided with a liquid discharge electric control valve 8, wherein the liquid inlet end of the liquid discharge pipe 9 is communicated with the detection cup 2, and the liquid outlet end of the liquid discharge pipe 9 is communicated with the dye vat main cylinder 5 or the dye vat auxiliary cylinder 6 (if the dye vat auxiliary cylinder 6 exists, the liquid outlet end of the liquid discharge pipe 9 is communicated with the dye vat auxiliary cylinder 6, and if the dye vat auxiliary cylinder 6 does not exist, the liquid outlet end of the liquid discharge pipe 9 is directly communicated with the dye vat main cylinder 5); the dye liquor discharge system is used for discharging the dye liquor in the detection cup 2 into the dye vat main cylinder 5 or the dye vat auxiliary cylinder 6; the control signal input end of the liquid discharge electric control valve 8 is connected with a control system;
the acid material injection system comprises an acid material storage barrel 10 and an acid material output pipe 12 provided with an acid discharge electric control valve 11, wherein acid materials are stored in the acid material storage barrel 10, and a discharge port of the acid material storage barrel 10 is communicated with a dye vat main cylinder 5 or a dye vat auxiliary cylinder 6 through the acid material output pipe 12 (if the dye vat auxiliary cylinder 6 exists, the acid material output pipe 12 is communicated with the dye vat auxiliary cylinder 6; if the dye vat auxiliary cylinder 6 does not exist, the acid material output pipe 12 is directly communicated with the dye vat main cylinder 5); the control signal input end of the acid discharge electric control valve 11 is connected with a control system;
the control system is used for receiving the pH value of the dye liquor in the detection cup 2 sent by the pH electrode detection system, and controlling the acid material injection system to inject a certain amount of acid material into the main dye vat cylinder 5 or the auxiliary dye vat cylinder 6 according to the pH value of the dye liquor in the detection cup 2. The control system may employ a controller to which an input device and a display device are connected.
In the utility model, the detecting cup 2 is used for storing dye liquor with a pH value to be detected, the detecting cup 2 comprises a closed detecting cup body, the pH electrode 1 can be detached and vertically arranged in the detecting cup body, the lower part of the detecting cup body is provided with a dye liquor inlet 13, the dye liquor inlet 13 is connected with a dye liquor injection system, and the dye liquor with the pH value to be detected enters the detecting cup 2 through the dye liquor injection system and the dye liquor inlet 13; a dye liquor drainage port 14 is formed in the lower end of the cup body of the detection cup, and the dye liquor drainage port 14 is communicated with a dye liquor drainage system; the dye liquor in the detection cup 2 enters the main dye vat cylinder 5 or the auxiliary dye vat cylinder 6 through a dye liquor drainage port 14 and a liquor drainage pipe 9.
In order to prolong the service life of the pH electrode 1, the utility model discloses in still be provided with the maintenance liquid inlet at the lateral wall that detects the cup body, maintain and be provided with spray set 15 on the liquid inlet, spray set 15 is connected with maintenance liquid conveyor. In this embodiment, the maintenance liquid conveying device includes a cleaning liquid output device 20 and an electrode maintenance liquid storage tank 22, the spraying device 15 is respectively connected with a first cleaning liquid pipeline 17 and an electrode maintenance liquid pipeline 18 through a first three-way pipe 16, the first cleaning liquid pipeline 17 provided with a cleaning liquid electric control valve 19 is communicated with the cleaning liquid output device 20, and the electrode maintenance liquid pipeline 18 provided with an electrode maintenance liquid inlet electric control valve 21 is communicated with the electrode maintenance liquid storage tank 22; the control signal input ends of the cleaning liquid electric control valve 19 and the electrode maintenance liquid inlet electric control valve 21 are respectively connected with a control system. The middle part of the liquid discharge pipe 9 is connected with an electrode maintenance liquid discharge pipe 32 through a second three-way pipe 31, the liquid discharge electric control valve 8 is arranged on the liquid discharge pipe 9 below the second three-way pipe 31, the electrode maintenance liquid discharge pipe 32 is provided with an electrode maintenance liquid discharge electric control valve 33, and the lower end of the electrode maintenance liquid discharge pipe 32 is communicated with a waste water tank 34.
The cleaning liquid sprayed on the pH electrode 1 by the spraying device 15 can effectively clean the pH electrode 1 so as to prevent the pH electrode 1 from being damaged by the long-term covering of the dye liquid on the pH electrode 1 and influencing the measurement precision. The cleaning liquid can be distilled water or treated softened water, has good cleaning effect, and does not influence the detection precision of the pH electrode 1. And because the distilled water or the cleaning solution is neutral, the distilled water or the cleaning solution has negligible influence on the pH value of the dyeing solution after being discharged into the dye vat main cylinder 5 or the dye vat auxiliary cylinder 6 through the liquid discharge pipe 9. After the pH electrode 1 is cleaned, the electrode maintenance liquid in the electrode maintenance liquid storage tank 22 enters the detection cup body through the spraying device 15, and is stored to a set height in the detection cup body, and the measurement end of the pH electrode 1 is subjected to soaking protection, so that the measurement precision of the pH electrode 1 is ensured, and the service life of the pH electrode 1 is prolonged. The electrode maintenance liquid in the cup body of the detection cup is discharged into a waste water tank 34 through a liquid discharge pipe 9 and an electrode maintenance liquid discharge pipe 32.
In order to further improve pH electrode 1's measurement accuracy, the utility model discloses in still having added dye liquor cooling system, dye liquor cooling system is used for treating the dye liquor that gets into in the dye vat main cylinder 5 that detects the cup body and cools off to prevent that the dye liquor temperature is too high and arouse that pH electrode 1 is impaired and measurement accuracy reduces. The liquid inlet end of the dye liquor cooling system is connected with the liquid inlet pipe 4, and the liquid outlet end of the dye liquor cooling system is connected with a dye liquor inlet 13 arranged at the lower part of the cup body of the detection cup.
In this embodiment, the dye liquor cooling system may employ an air-cooled condensing device or a water-cooled condensing device.
The air-cooled condensing equipment comprises a condensing pipe 23 and can effectively cool the dye liquor. In order to ensure the cooling effect, a cooling fan 24 is further arranged above the condensation pipe 23, and the control system is connected with the cooling fan 24 in a control mode.
The water-cooling condensing equipment comprises a water tank and a condensing pipe 23 arranged in the water tank, a water inlet and a water outlet of the water tank are respectively provided with a water tank water inlet electric control valve and a water tank water outlet electric control valve, and a control system is in control connection with the water tank water inlet electric control valve and the water tank water outlet electric control valve. The water-cooled condensing equipment is a commercial product and is not described in detail herein.
In order to detect accurately whether the dye liquor temperature is too high (general dye liquor temperature is not higher than 50 degrees centigrade), still can dismantle transversely in detecting the cup body in this application and be provided with temperature probe 25, temperature probe 25's signal output part connection control system's signal input part, temperature probe 25 is located dye liquor inlet 13 and pH electrode 1's below. The dye liquor input through the dye liquor inlet 13 is poured on the detection end of the temperature probe 25 after entering the cup body of the detection cup, and the temperature is detected through the temperature probe 25.
In order to measure the liquid level height of the electrode maintenance liquid of storage in detecting the cup body accurately, in order to ensure that electrode maintenance liquid can soak the measuring end of pH electrode 1, it is too much in order to prevent to detect the interior dye liquor of cup body simultaneously, still be provided with level gauge 26 and overflow hole on the lateral wall of detecting the cup body in this embodiment, level gauge 26 is located overflow hole below and is higher than the lower terminal surface of pH electrode 1, level gauge 26's signal output part connection control system's signal input part, the overflow hole passes through overflow pipeline 27 and connects dye vat main cylinder 5 or dye vat auxiliary cylinder 6. When the level of the electrode maintenance liquid reaches the level of the liquid level gauge 26, the liquid level gauge 26 sends a signal to the control system to stop the continuous injection of the electrode maintenance liquid. Meanwhile, the excessive electrode maintenance liquid and dye liquid can flow into the main dye vat cylinder 5 or the auxiliary dye vat cylinder 6 through the overflow hole and the overflow pipeline 27.
After receiving the pH value of the dye liquor sent by the pH electrode 1, the control system calculates the volume of the acid material to be injected according to the set existing program, and injects a proper amount of acid material into the main dye vat cylinder 5 or the auxiliary dye vat cylinder 6 through the acid material output pipe 12. In order to ensure the accurate volume of the injected acid material, a flow meter 28 is further arranged at the discharge port of the acid material storage barrel 10, and a signal output end of the flow meter 28 is connected with a signal input end of a control system.
For the extension the utility model discloses a life improves simultaneously and detects the precision. In the present application, the liquid inlet pipe 4 is connected to the cleaning liquid output device 20 through a second cleaning pipe 30 provided with a pipe cleaning electric control valve 29, so that the pipe is cleaned by the cleaning liquid after each measurement is finished.
In order to accurately grasp the liquid level in the acid storage vat 10 and the electrode maintenance liquid storage vat 22, water level gauges are arranged in both the acid storage vat 10 and the electrode maintenance liquid storage vat 22.
The utility model discloses when using, go on according to following step:
1. firstly, utilizing a circulating pump 7 arranged on the existing dye vat, if a dye vat auxiliary vat 6 exists, pumping dye liquor added with dye in the dye vat auxiliary vat 6 into a dye vat main cylinder 5, and forming dye liquor circulation in the dye vat main cylinder 5 and keeping for 3 minutes; if the dye vat auxiliary vat 6 does not exist, forming dye liquor circulation in the dye vat main vat 5 by using the circulating pump 7 and keeping for 3 minutes to uniformly dissolve the dye in the dye liquor;
2. the operator inputs a set target of the pH value (such as pH 4.5) to the controller by using the input device;
3. the controller controls the electrode maintenance liquid outlet electric control valve 33 to be opened, and the electrode maintenance liquid in the detection cup 2 is discharged into the waste water tank 34; after the set time (such as 30 seconds), the controller controls the cleaning solution electric control valve 19 to be opened, and the pH electrode 1 is washed by the cleaning solution; after the set time (such as 30 seconds) of washing, the controller controls the cleaning liquid electric control valve 19 to close and stop washing; then, the electrode maintenance liquid outlet electric control valve 33 is continuously kept opened for a set time (such as 30 seconds), the cleaning liquid in the detection cup 2 is discharged into the waste water tank 34, and then the controller controls the electrode maintenance liquid outlet electric control valve 33 to be closed;
4. the controller controls the liquid inlet electric control valve 3 to be opened, dye liquor added with dye in the dye vat main cylinder 5 is injected into the cup body of the detection cup through the liquid inlet pipe 4, the condensation pipe 23 and the dye liquor inlet 13 by utilizing the circulating pump 7, and the dye liquor is cooled through the condensation pipe 23. When the dye liquor enters the cup body of the detection cup, the dye liquor firstly passes through the detection end of the temperature probe 25 to be subjected to temperature detection, and the temperature probe 25 sends the temperature of the dye liquor to the controller.
If the temperature of the dye liquor is higher than 50 ℃, the controller controls the liquid inlet electric control valve 3 to be closed to stop conveying the dye liquor, and simultaneously controls the liquid discharge electric control valve 8 to be opened to discharge the dye liquor from the cup body of the detection cup into the main dye vat cylinder 5 or the auxiliary dye vat cylinder 6; the dye liquor in the condensing pipe 23 is continuously cooled by using the condensing pipe 23 (the cooling fan 24 can be opened); after the temperature is reduced for a set time (such as 2 minutes), the controller controls the liquid inlet electric control valve 3 to be opened again, and the detection end of the temperature probe 25 is utilized again to detect the temperature of the dye liquid entering the cup body of the detection cup; if the temperature of the dye liquor is still higher than 50 ℃, continuing the steps until the temperature of the dye liquor is not higher than 50 ℃;
when the temperature of the dye liquor is not higher than 50 ℃, the controller controls the liquor drainage electric control valve 8 to be closed, the dye liquor is stored by using the cup body of the detection cup, and the height of the dye liquor is detected by using the liquid level meter 26; when the dye liquor reaches the height of the liquid level meter 26, the controller controls the liquid inlet electric control valve 3 to be closed, the dye liquor completely soaks the detection end of the pH electrode 1 at the moment, and the redundant dye liquor is discharged into the dye vat main cylinder 5 through the overflow hole and the overflow pipeline 27 or directly.
5. The pH electrode 1 measures the original pH value of the dye liquor and sends the measurement result to the controller, and the controller calculates the acid consumption required for reaching the set target pH value by using the existing formula according to the measurement result; then the controller controls the liquid discharge electric control valve 8 to be opened, and the dye liquor is directly discharged into the dye vat main cylinder 5 through the dye vat auxiliary cylinder 6; after the set time (such as 30 seconds), the controller controls the cleaning liquid electric control valve 19 to be opened, the pH electrode 1 is washed within the set time (such as 30 seconds), and then the cleaning liquid electric control valve 19 is closed; the liquid discharge electric control valve 8 is closed after the cleaning liquid is discharged for a set time (such as 30 seconds);
6. the controller controls the acid discharge electric control valve 11 to be opened, detects the volume of acid materials injected into the dye vat main cylinder 5 or the dye vat auxiliary cylinder 6 by using the flowmeter 28, and controls the acid discharge electric control valve 11 to be closed when the set acid consumption is reached; when the dye vat auxiliary vat 6 exists, the acid material injected into the dye vat auxiliary vat 6 circulates into the dye vat main vat 5, and the dye liquor between the dye vat main vat 5 and the dye vat auxiliary vat 6 is kept circulating for 3 minutes; when the dye vat auxiliary vat 6 does not exist, the dye liquor in the dye vat main vat 5 is kept circulating for 3 minutes;
7. and (4) repeating the steps 1-6, and measuring and adjusting the pH value of the dye solution again until the pH value of the dye solution detected by the pH electrode 1 reaches the set target pH value.
8. The controller controls the liquid discharge electric control valve 8 and the pipeline cleaning electric control valve 29 on the second cleaning pipeline 30 to be opened, the cleaning water is used for washing the liquid inlet pipe 4 and the condensation pipe 23, residual dye liquor in the pipeline is washed, and the dye liquor is washed by the detection cup body and is circulated to or directly discharged into the dye vat main cylinder 5 through the dye vat auxiliary cylinder 6; then, the controller controls the cleaning liquid electric control valve 19 to be opened, and the pH electrode 1 is washed by the cleaning liquid; after the set time (such as 30 seconds), the controller controls the pipeline cleaning electric control valve 29 and the cleaning liquid electric control valve 19 to be closed simultaneously; after the cleaning liquid is discharged for a set time (such as 2 minutes), the liquid discharge electric control valve 8 is closed;
9. the controller controls the electrode maintenance liquid inlet electric control valve 21 to be opened, the electrode maintenance liquid in the electrode maintenance liquid storage barrel 22 is injected into the cup body of the detection cup, and when the electrode maintenance liquid reaches the height of the liquid level meter 26, the controller controls the electrode maintenance liquid inlet electric control valve 21 to be closed. The electrode maintenance liquid can perform immersion protection on the measuring end of the pH electrode 1, so that the measuring precision of the pH electrode 1 is ensured, and the service life of the pH electrode 1 is prolonged.
Claims (10)
1. The utility model provides a dye liquor pH value automated inspection adjusting device for dye vat which characterized in that: comprises a pH electrode detection system, a control system, a dye liquor injection system, a dye liquor discharge system and an acid material injection system;
the pH electrode detection system comprises a detection cup provided with a pH electrode, and the detection cup is respectively communicated with a dye liquor injection system and a dye liquor discharge system; the signal output end of the pH electrode is connected with a control system; the pH electrode detection system is used for detecting the pH value of the dye liquor filled into the detection cup by the dye liquor filling system;
the dye liquor injection system comprises a liquor inlet pipe provided with a liquor inlet electric control valve, a liquor inlet of the liquor inlet pipe is connected with a water outlet of a circulating pump arranged in a dye vat main cylinder, and a liquor outlet of the liquor inlet pipe is communicated with a detection cup; the dye liquor injection system is used for injecting the dye liquor in the dye vat main cylinder into the detection cup; the control signal input end of the liquid inlet electric control valve is connected with the control system;
the dye liquor discharge system comprises a liquor discharge pipe provided with a liquor discharge electric control valve, the liquor inlet end of the liquor discharge pipe is communicated with the detection cup, and the liquor outlet end of the liquor discharge pipe is communicated with the dye vat main cylinder or the dye vat auxiliary cylinder; the dye liquor discharge system is used for discharging the dye liquor in the detection cup into the dye vat main cylinder or the dye vat auxiliary cylinder; the control signal input end of the liquid discharge electric control valve is connected with the control system;
the acid material injection system comprises an acid material storage barrel and an acid material output pipe provided with an acid discharge electric control valve, wherein an acid material is stored in the acid material storage barrel, and a discharge port of the acid material storage barrel is communicated with the dye vat main cylinder or the dye vat auxiliary cylinder through the acid material output pipe; the control signal input end of the acid discharge electric control valve is connected with the control system;
the control system is used for receiving the pH value of the dye liquor in the detection cup sent by the pH electrode detection system, and controlling the acid material injection system to inject a certain amount of acid material into the main dye vat cylinder or the auxiliary dye vat cylinder according to the pH value of the dye liquor in the detection cup.
2. The automatic pH value detection and adjustment device for dye liquors for dye vats according to claim 1, characterized in that: the detection cup comprises a closed detection cup body, the pH electrode is detachably arranged in the detection cup body, a dye liquor inlet is arranged at the lower part of the detection cup body, and the dye liquor inlet is connected with a dye liquor injection system; the lower end of the cup body of the detection cup is provided with a dye liquor drainage port which is communicated with a dye liquor drainage system; the side wall of the detection cup body is provided with a maintenance liquid inlet, the maintenance liquid inlet is provided with a spraying device, and the spraying device is connected with a maintenance liquid conveying device.
3. The automatic pH value detection and adjustment device for dye liquors for dye vats according to claim 2, characterized in that: the maintenance liquid conveying device comprises a cleaning liquid output device and an electrode maintenance liquid storage barrel, the spraying device is respectively connected with a first cleaning liquid pipeline and an electrode maintenance liquid pipeline through a first three-way pipe fitting, the first cleaning liquid pipeline provided with a cleaning liquid electric control valve is communicated with the cleaning liquid output device, and the electrode maintenance liquid pipeline provided with an electrode maintenance liquid inlet electric control valve is communicated with the electrode maintenance liquid storage barrel; the control signal input ends of the cleaning liquid electric control valve and the electrode maintenance liquid inlet electric control valve are respectively connected with a control system; the middle part of the liquid discharge pipe is connected with an electrode maintenance liquid discharge pipe through a second three-way pipe fitting, the liquid discharge electric control valve is arranged on the liquid discharge pipe below the second three-way pipe fitting, the electrode maintenance liquid discharge electric control valve is arranged on the electrode maintenance liquid discharge pipe, and the lower end of the electrode maintenance liquid discharge pipe is communicated with a wastewater tank.
4. The automatic pH value detection and adjustment device for dye liquors for dye vats according to claim 2, characterized in that: the dye liquor cooling system is characterized by further comprising a dye liquor cooling system, wherein the liquor inlet end of the dye liquor cooling system is connected with the liquor inlet pipe, and the liquor outlet end of the dye liquor cooling system is connected with a dye liquor inlet arranged at the lower part of the cup body of the detection cup.
5. The automatic detecting and adjusting device for the pH value of the dye liquor for the dye vat according to claim 4, is characterized in that: the dye liquor cooling system adopts air-cooled condensing equipment, the air-cooled condensing equipment comprises a condensing pipe and a cooling fan arranged above the condensing pipe, and the control system is in control connection with the cooling fan.
6. The automatic detecting and adjusting device for the pH value of the dye liquor for the dye vat according to claim 4, is characterized in that: the dye liquor cooling system adopts water-cooling condensing equipment, the water-cooling condensing equipment comprises a water tank and a condensing pipe arranged in the water tank, a water inlet and a water outlet of the water tank are respectively provided with a water tank water inlet electric control valve and a water tank water drainage electric control valve, and a control system is in control connection with the water tank water inlet electric control valve and the water tank water drainage electric control valve.
7. The automatic pH value detection and adjustment device for dye liquors for dye vats according to claim 2, characterized in that: the temperature probe is detachably arranged in the detection cup body, the signal output end of the temperature probe is connected with the signal input end of the control system, and the temperature probe is positioned below the dye solution inlet and the pH electrode.
8. The automatic pH value detection and adjustment device for dye liquors for dye vats according to claim 1, characterized in that: the discharge port of the acid material storage barrel is provided with a flowmeter, and the signal output end of the flowmeter is connected with the signal input end of the control system.
9. The automatic pH value detection and adjustment device for dye liquors for dye vats according to claim 2, characterized in that: the side wall of the cup body of the detection cup is provided with a liquid level meter and an overflow hole, the liquid level meter is positioned below the overflow hole and is higher than the lower end surface of the pH electrode, the signal output end of the liquid level meter is connected with the signal input end of the control system, and the overflow hole is connected with the dye vat main cylinder or the dye vat auxiliary cylinder through an overflow pipeline.
10. The automatic pH value detection and adjustment device for dye liquors for dye vats according to claim 5 or 6, characterized in that: the liquid inlet pipe and the condenser pipe are connected with a cleaning liquid output device through a second cleaning pipeline provided with a pipeline cleaning electric control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223170834.6U CN218621422U (en) | 2022-11-29 | 2022-11-29 | Dye liquor pH value automated inspection adjusting device for dye vat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223170834.6U CN218621422U (en) | 2022-11-29 | 2022-11-29 | Dye liquor pH value automated inspection adjusting device for dye vat |
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| Publication Number | Publication Date |
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| CN218621422U true CN218621422U (en) | 2023-03-14 |
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| CN202223170834.6U Active CN218621422U (en) | 2022-11-29 | 2022-11-29 | Dye liquor pH value automated inspection adjusting device for dye vat |
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| Country | Link |
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| CN (1) | CN218621422U (en) |
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