CN219300520U - Alkali and light alkali production balancing device for sewage station, dyeing and finishing workshop - Google Patents
Alkali and light alkali production balancing device for sewage station, dyeing and finishing workshop Download PDFInfo
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- CN219300520U CN219300520U CN202320266969.8U CN202320266969U CN219300520U CN 219300520 U CN219300520 U CN 219300520U CN 202320266969 U CN202320266969 U CN 202320266969U CN 219300520 U CN219300520 U CN 219300520U
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Abstract
The utility model belongs to the technical field of balancing devices in sewage treatment, and particularly relates to an alkali and dilute alkali production balancing device for sewage stations and dyeing and finishing workshops. The alkali and dilute alkali production balancing device for the sewage station, dyeing and finishing workshop comprises a sewage area, a first printing and dyeing factory and a second printing and dyeing factory, wherein the first printing and dyeing factory is connected with a first printing and dyeing factory alkali storage tank, a second printing and dyeing factory alkali storage tank, a sewage horizontal alkali storage tank, a sewage vertical alkali storage tank and a sewage vertical alkali storage tank. The alkali and dilute alkali production balancing device for the sewage station and the dyeing and finishing workshop provided by the utility model has the advantages that the sewage station uses the waste dilute alkali solution to replace the fresh concentrated alkali, so that the use of the fresh original alkali in the sewage station is greatly reduced, and meanwhile, the operation cost of alkali recovery and the dilute alkali overflow waste are reduced.
Description
Technical Field
The utility model belongs to the technical field of balancing devices in sewage treatment, and particularly relates to an alkali and dilute alkali production balancing device for sewage stations and dyeing and finishing workshops.
Background
The sewage treatment plant uses an acidic water purifying agent, namely the polymeric ferric chloride, and caustic soda is needed to be used for neutralization in the post-materialization neutralization stage so as to reach the standard of the discharged pH. At present, a large amount of fresh protopine is used for neutralization in a sewage treatment plant, and the waste light alkali liquor generated by mercerization still needs to be recycled through an alkali recycling device. The alkali recovery device is also in face of the waste of dilute alkali overflow caused by mismatching of the periodic dilute alkali production and the recovery capacity of the alkali recovery device in the operation process.
When the sewage station is communicated with mercerized light alkali produced by a single printing and dyeing mill, the problem of unbalanced output and use is always faced, and the problem of waste of overflow of the concentrated alkali and the light alkali used by the sewage station is successively brought.
CN211688348U discloses a light alkali recovery unit, the evaporimeter of intercommunication in proper order, the condenser, condensate recovery jar, the buffer tank, the balance pipe communicates with the evaporimeter, the condenser, the buffer tank is all located condensate recovery jar top, the buffer tank includes the casing, be equipped with the cavity in the casing, be equipped with air inlet and the gas vent with the cavity intercommunication on the casing, air inlet, gas vent respectively with condensate recovery jar, the balance pipe intercommunication, be equipped with the logical liquid pipe in the cavity, the both ends of logical liquid pipe all communicate with condensate storage tank. Through setting up the buffer tank between comdenstion water recovery jar and balance pipe, reduce the vapor content, improve condensation efficiency, improve the evaporation efficiency of evaporimeter.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides an alkali and dilute alkali production balancing device for a sewage station, a dyeing and finishing workshop, wherein alkali recovery of an integrated dyeing and finishing park and the sewage station are balanced by alkali, and the sewage station uses waste dilute alkali to replace fresh concentrated alkali, so that the use of fresh original alkali of the sewage station is greatly reduced, and meanwhile, the operation cost of alkali recovery and the overflow waste of dilute alkali are reduced.
The utility model is realized by adopting the following technical scheme:
the alkali and dilute alkali production balancing device for the sewage station and the dyeing and finishing workshop comprises a sewage area, a first printing and dyeing factory and a second printing and dyeing factory, wherein the sewage area comprises a sewage horizontal alkali storage tank, a sewage vertical alkali recovery tank, a sewage vertical alkali storage tank and a sewage station, the first printing and dyeing factory comprises a first printing and dyeing factory alkali recovery tank and a first printing and dyeing factory alkali storage tank, and the second printing and dyeing factory comprises a second printing and dyeing factory alkali storage tank and a second printing and dyeing factory alkali recovery tank; the first-factory printing and dyeing recovery alkali tank is connected with the first-factory printing and dyeing alkali tank, the first-factory printing and dyeing alkali tank is connected with the first-factory printing and dyeing alkali tank control cabinet, the first-factory printing and dyeing alkali tank control cabinet is connected with the second-factory printing and dyeing alkali tank, the second-factory printing and dyeing alkali tank is connected with the second-factory printing and dyeing alkali tank control cabinet, the second-factory printing and dyeing alkali tank control cabinet is connected with the sewage horizontal alkali tank, the sewage horizontal alkali tank is connected with the sewage alkali tank control cabinet, the sewage alkali tank control cabinet is connected with the sewage vertical alkali tank, the sewage vertical alkali tank is connected with the sewage vertical alkali tank, and the sewage vertical alkali tank is connected with the sewage station.
Further, a liquid level meter a is arranged in the sewage horizontal alkali storage tank, a liquid level meter b is arranged in the sewage vertical alkali recovery tank, a liquid level meter c is arranged in the first-printing and dyeing alkali storage tank, and a liquid level meter d is arranged in the second-printing and dyeing alkali storage tank.
Further, an overpressure protection device A is arranged on the first-factory alkali tank control cabinet, an overpressure protection device B is arranged on the second-factory alkali tank control cabinet, and an overpressure protection device C is arranged on the sewage alkali tank control cabinet. The overpressure protection device A, the overpressure protection device B and the overpressure protection device C are connected with pipelines at the water outlet end of the corresponding control cabinet.
Furthermore, a pipeline connecting the alkali tank control cabinet of the first printing and dyeing factory and the alkali recovery tank of the second printing and dyeing factory is a communication pipeline a.
Furthermore, a pipeline for connecting the control cabinet of the alkali tank of the printing and dyeing second factory with the sewage horizontal alkali storage tank is a communicating pipeline b.
Further, the pipeline is that a flowmeter is arranged on the communicating pipeline b.
Further, a filter and a gate valve are sequentially arranged on a pipeline connected with the sewage horizontal alkali storage tank and the sewage alkali tank control cabinet.
Further, a check valve is arranged on the water outlet pipeline of the sewage alkali tank control cabinet.
Further, the first-factory recovery alkali tank is directly connected with the first-factory alkali tank control cabinet, the first-factory alkali tank control cabinet is directly connected with the second-factory alkali tank, and the sewage alkali tank control cabinet is directly connected with the sewage vertical alkali tank.
When the alkali and dilute alkali production balancing device for the sewage station, the dyeing and finishing workshop is used, after two dyeing and finishing factories of a first dyeing and finishing factory and a second dyeing and finishing factory are communicated, alkali is supplied to a sewage area, the second dyeing and finishing factory is used as an alkali supply main body, when the sewage area supplied by the second dyeing and finishing factory is not used enough, alkali is supplied from the first dyeing and finishing factory to the second dyeing and finishing factory, and the residual dilute alkali of the first dyeing and finishing factory is recovered by alkali recovery equipment. When the alkali recovery capability of the first printing and dyeing mill is insufficient and overflows and waves, the liquid level gauge c is used for controlling the liquid level, and the space temporary storage above the high liquid level is carried out by using the corresponding liquid level gauges of the second printing and dyeing mill and the sewage area.
The beneficial effects of the utility model are as follows:
according to the alkali and dilute alkali production balancing device for the sewage station, the dyeing and finishing workshops, through alkali balance analysis, the alkali recovery devices of different factories are communicated, and the alkali recovery devices are communicated with the sewage station, after the alkali recovery devices are communicated, the use of fresh crude alkali in the sewage station can be greatly reduced through an automatic control system, and meanwhile, the operation cost of alkali recovery and the dilute alkali overflow waste are reduced. Meanwhile, the communication control logic is clear, the site operation and maintenance are simple, the labor efficiency can be effectively improved, and the alkali utilization cost and the alkali recovery operation cost of the printing and dyeing park are greatly reduced.
Drawings
FIG. 1 is a schematic diagram of the alkali and dilute alkali balance device for sewage stations, dyeing and finishing workshops of the utility model;
in the figure: 1. a sewage horizontal alkali storage tank; 2. a liquid level meter a; 3. a sewage alkali tank control cabinet; 4. a sewage vertical alkali recovery tank; 5. a liquid level meter b; 6. vertical alkali storage tank for sewage; 7. a sewage station; 8. a recycling alkali tank of a printing and dyeing mill; 9. printing and dyeing a factory alkali storage tank; 10. a level gauge c; 11. printing and dyeing a control cabinet of an alkali tank of a factory; 12. an overpressure protection device A; 13. a communicating pipeline a; 14. a level gauge d; 15. alkali storage tanks of printing and dyeing two factories; 16. recovering alkali tanks in the second printing and dyeing factory; 17. printing and dyeing two-factory alkali tank control cabinet; 18. an overpressure protection device B; 19. a flow meter; 20. a communication pipeline b; 21. a filter; 22. a gate valve; 23. a check valve; 24. an overpressure protection device C.
Detailed Description
The utility model will be further illustrated with reference to specific examples. However, in the description of the present utility model, it should be noted that the term "alkaline tank" indicates that the alkaline storage vessel is a weak alkaline storage vessel, and is merely for the purpose of combining actual illustrations, and does not indicate or imply that the apparatus or element being referred to must have a specific shape, and therefore should not be construed as limiting the utility model.
As shown in figure 1, the alkali and light alkali production balancing device for a sewage station, a dyeing and finishing workshop comprises a sewage area, a first dyeing plant and a second dyeing plant, wherein the sewage area comprises a sewage horizontal alkali storage tank 1, a sewage vertical alkali recovery tank 4, a sewage vertical alkali storage tank 6 and a sewage station 7, the first dyeing plant comprises a first dyeing plant alkali recovery tank 8 and a first dyeing plant alkali storage tank 9, and the second dyeing plant comprises a second dyeing plant alkali storage tank 15 and a second dyeing plant alkali recovery tank 16; the first-printing-plant alkali recovery tank 8 is connected with the first-printing-plant alkali storage tank 9, the first-printing-plant alkali storage tank 9 is connected with the first-printing-plant alkali storage tank control cabinet 11, the first-printing-plant alkali storage tank control cabinet 11 is connected with the second-printing-plant alkali recovery tank 16, the second-printing-plant alkali recovery tank 16 is connected with the second-printing-plant alkali storage tank 15, the second-printing-plant alkali storage tank 15 is connected with the second-printing-plant alkali storage tank control cabinet 17, the second-printing-plant alkali storage tank control cabinet 17 is connected with the sewage horizontal alkali storage tank 1, the sewage horizontal alkali storage tank 1 is connected with the sewage alkali tank control cabinet 3, the sewage vertical alkali recovery tank 3 is connected with the sewage vertical alkali recovery tank 4, the sewage vertical alkali storage tank 4 is connected with the sewage vertical alkali storage tank 6, and the sewage vertical alkali storage tank 6 is connected with the sewage station 7.
A liquid level meter a2 is arranged in the sewage horizontal alkali storage tank 1, a liquid level meter b5 is arranged in the sewage vertical alkali recovery tank 4, a liquid level meter c10 is arranged in the first-printing and dyeing alkali storage tank 9, and a liquid level meter d14 is arranged in the second-printing and dyeing alkali storage tank 15.
An overpressure protection device A12 is arranged on the first-factory alkali tank control cabinet 11, an overpressure protection device B18 is arranged on the second-factory alkali tank control cabinet 17, and an overpressure protection device C24 is arranged on the sewage alkali tank control cabinet 3. The overpressure protection device A12, the overpressure protection device B18 and the overpressure protection device C24 are connected with pipelines at the water outlet end of the corresponding control cabinet.
The pipeline connecting the first printing and dyeing factory alkali tank control cabinet 11 and the second printing and dyeing factory alkali recovery tank 16 is a communication pipeline a13.
The pipeline of the control cabinet 17 of the alkali tank of the printing and dyeing second factory connected with the sewage horizontal alkali storage tank 1 is a communicating pipeline b20.
The pipeline is a communicating pipeline b20, and a flowmeter 19 is arranged on the pipeline.
A filter 21 and a gate valve 22 are sequentially arranged on a pipeline connected with the sewage horizontal alkali storage tank 1 and the sewage alkali tank control cabinet 3.
The water outlet pipeline of the sewage alkali tank control cabinet 3 is provided with a check valve 23.
The first-factory printing and dyeing recovery alkali tank 8 is directly connected with the first-factory printing and dyeing alkali tank control cabinet 11, the first-factory printing and dyeing alkali tank control cabinet 11 is directly connected with the second-factory printing and dyeing alkali tank 15, and the sewage alkali tank control cabinet 3 is directly connected with the sewage vertical alkali tank 6.
The communication between each alkali tank and each control cabinet in fig. 1 adopts an automatic control system, adopts a Siemens SMART series CPU as a central processing unit and adopts a Beijing Kunlun on touch screen as a human-computer interface. Ethernet communication is adopted among the control cabinets of the first printing and dyeing factory, the second printing and dyeing factory and the sewage area, and the communication speed and the stability are high. The liquid level of each regional weak alkali tank adopts a magnetic flap liquid level meter, data acquisition is carried out through an analog quantity of 4-20ma, and each magnetic flap liquid level meter is used for controlling and alarming by designing analog and external switching values, so that a double protection effect is achieved. In order to ensure the normal pressure operation of the pipeline, the pressure transmitter, the switch valve and the start and stop of the pump are adopted as linkage, and the pump is started, opened and the pipeline exceeds the set pressure to automatically stop the pump and the like. The communication relationship between the two is the existing communication technology, and is not repeated here. In addition, the pipelines are provided with the heat tracing pipelines and the heat preservation device, so that the pipelines are prevented from being blocked by alkali crystals, and the conventional operation is performed, and redundant description is omitted.
When the alkali and dilute alkali production balancing device for the sewage station, the dyeing and finishing workshop is used, after two dyeing and finishing factories of a first dyeing and finishing factory and a second dyeing and finishing factory are communicated, alkali is supplied to a sewage area, the second dyeing and finishing factory is used as an alkali supply main body, when the sewage area supplied by the second dyeing and finishing factory is not used enough, alkali is supplied from the first dyeing and finishing factory to the second dyeing and finishing factory, and the residual dilute alkali of the first dyeing and finishing factory is recovered by alkali recovery equipment. When the alkali recovery capability of the first printing and dyeing mill is insufficient and overflows and waves, the liquid level gauge c is used for controlling the liquid level, and the space temporary storage above the high liquid level is carried out by using the corresponding liquid level gauges of the second printing and dyeing mill and the sewage area.
According to the utility model, a first-printing-plant recovery alkali tank 8 is connected with a first-printing-plant alkali storage tank 9, the first-printing-plant alkali storage tank 9 is connected with a first-printing-plant alkali tank control cabinet 11, the first-printing-plant alkali tank control cabinet 11 is connected with a second-printing-plant recovery alkali tank 16, the second-printing-plant recovery alkali tank 16 is connected with a second-printing-plant alkali storage tank 15, the second-printing-plant alkali tank 15 is connected with a second-printing-plant alkali tank control cabinet 17, the second-printing-plant alkali tank control cabinet 17 is connected with a sewage horizontal alkali storage tank 1, the sewage horizontal alkali storage tank 1 is connected with a sewage alkali tank control cabinet 3, the sewage vertical alkali recovery tank 4 is connected with a sewage vertical alkali storage tank 6, and the sewage vertical alkali storage tank 6 is connected with a sewage station 7. The second printing and dyeing factory alkali tank control cabinet 17 is communicated with the first printing and dyeing factory alkali tank control cabinet 11 through Ethernet, and the liquid level meter d14 is used as a main body to be linked with the liquid level meter c10 to control the alkali making process of the first printing and dyeing factory and the second printing and dyeing factory. The sewage alkali tank control cabinet 3 and the second printing and dyeing factory alkali tank control cabinet 17 are communicated through the Ethernet, and the liquid level meter a2 is used as a main body to be linked with the liquid level meter b5 to control the alkali beating process of the second printing and dyeing factory and the sewage area. Data acquisition is carried out among the liquid level meters through analog quantity 4-20ma, and each magnetic flap liquid level meter is designed to simulate and externally switch the liquid level meter to serve as control and alarm, so that the dual protection function is achieved. The overpressure protection device performs overpressure protection on the alkali tanks through data transmission of the pressure gauge.
Of course, the foregoing is merely preferred embodiments of the present utility model and is not to be construed as limiting the scope of the embodiments of the present utility model. The present utility model is not limited to the above examples, and those skilled in the art will appreciate that the present utility model is capable of equally varying and improving within the spirit and scope of the present utility model.
Claims (8)
1. An alkali and light alkali production balancing device for sewage stations, dyeing and finishing workshops, which is characterized in that: the device comprises a sewage area, a first printing and dyeing plant and a second printing and dyeing plant, wherein the sewage area comprises a sewage horizontal alkali storage tank (1), a sewage vertical alkali recovery tank (4), a sewage vertical alkali storage tank (6) and a sewage station (7), the first printing and dyeing plant comprises a first printing and dyeing plant alkali recovery tank (8) and a first printing and dyeing plant alkali storage tank (9), and the second printing and dyeing plant comprises a second printing and dyeing plant alkali storage tank (15) and a second printing and dyeing plant alkali recovery tank (16); the first-dyeing-plant alkali storage tank (8) is connected with the first-dyeing-plant alkali storage tank (9), the first-dyeing-plant alkali storage tank (9) is connected with the first-dyeing-plant alkali storage tank control cabinet (11), the first-dyeing-plant alkali storage tank (11) is connected with the second-dyeing-plant alkali storage tank (16), the second-dyeing-plant alkali storage tank (16) is connected with the second-dyeing-plant alkali storage tank (15), the second-dyeing-plant alkali storage tank (15) is connected with the second-dyeing-plant alkali storage tank control cabinet (17), the second-dyeing-plant alkali storage tank control cabinet (17) is connected with the sewage horizontal alkali storage tank (1), the sewage horizontal alkali storage tank (1) is connected with the sewage alkali tank control cabinet (3), the sewage vertical alkali storage tank (4) is connected with the sewage vertical alkali storage tank (6), and the sewage vertical alkali storage tank (6) is connected with the sewage station (7).
2. The balance device for alkali and light alkali production for sewage stations, dyeing and finishing workshops according to claim 1, wherein: be provided with level gauge a (2) in sewage horizontal alkali storage tank (1), be provided with level gauge b (5) in sewage vertical recovery alkali tank (4), be provided with level gauge c (10) in printing and dyeing mill alkali storage tank (9), be provided with level gauge d (14) in printing and dyeing mill alkali storage tank (15).
3. The balance device for alkali and light alkali production for sewage stations, dyeing and finishing workshops according to claim 1, wherein: an overpressure protection device A (12) is arranged on the first-factory alkali tank control cabinet (11), an overpressure protection device B (18) is arranged on the second-factory alkali tank control cabinet (17), and an overpressure protection device C (24) is arranged on the sewage alkali tank control cabinet (3).
4. The balance device for alkali and light alkali production for sewage stations, dyeing and finishing workshops according to claim 1, wherein: the pipeline connecting the first printing and dyeing factory alkali tank control cabinet (11) and the second printing and dyeing factory alkali recovery tank (16) is a communication pipeline a (13).
5. The balance device for alkali and light alkali production for sewage stations, dyeing and finishing workshops according to claim 1, wherein: the pipeline connecting the alkali tank control cabinet (17) of the printing and dyeing second factory and the sewage horizontal alkali storage tank (1) is a communicating pipeline b (20).
6. The balance device for alkali and light alkali production for sewage stations, dyeing and finishing workshops according to claim 5, wherein: the pipeline is a communicating pipeline b (20) and is provided with a flowmeter (19).
7. The balance device for alkali and light alkali production for sewage stations, dyeing and finishing workshops according to claim 1, wherein: a filter (21) and a gate valve (22) are sequentially arranged on a pipeline connected with the sewage horizontal alkali storage tank (1) and the sewage alkali tank control cabinet (3).
8. The balance device for alkali and light alkali production for sewage stations, dyeing and finishing workshops according to claim 7, wherein: a check valve (23) is arranged on the water outlet pipeline of the sewage alkali tank control cabinet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320266969.8U CN219300520U (en) | 2023-02-17 | 2023-02-17 | Alkali and light alkali production balancing device for sewage station, dyeing and finishing workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320266969.8U CN219300520U (en) | 2023-02-17 | 2023-02-17 | Alkali and light alkali production balancing device for sewage station, dyeing and finishing workshop |
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| Publication Number | Publication Date |
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| CN219300520U true CN219300520U (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320266969.8U Active CN219300520U (en) | 2023-02-17 | 2023-02-17 | Alkali and light alkali production balancing device for sewage station, dyeing and finishing workshop |
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| CN (1) | CN219300520U (en) |
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2023
- 2023-02-17 CN CN202320266969.8U patent/CN219300520U/en active Active
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