CN209815906U - Sewage treatment carbon source medicine system - Google Patents
Sewage treatment carbon source medicine system Download PDFInfo
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- CN209815906U CN209815906U CN201920251028.0U CN201920251028U CN209815906U CN 209815906 U CN209815906 U CN 209815906U CN 201920251028 U CN201920251028 U CN 201920251028U CN 209815906 U CN209815906 U CN 209815906U
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Abstract
The utility model discloses a sewage treatment carbon source medicine system, add the medicine pond including reservoir, measuring pump, water works, the measuring pump pass through the pipeline and connect reservoir and water works simultaneously and add the medicine pond, the reservoir connect and be provided with ball valve, Y type filter on the pipeline of measuring pump, the measuring pump connect and be provided with manometer and back pressure valve on the pipeline that the water works added the medicine pond, the measuring pump still connect PLC control unit, PLC control unit still connect online ammonia nitrogen detector, online ammonia nitrogen detector be used for detecting the nitrogen content of intaking when sewage treatment. The utility model relates to a rationally, the medicine volume of adding of automatic control carbon source sodium acetate, system operation safe and reliable satisfies sewage treatment plant actual production needs.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, especially, relate to a sewage treatment carbon source charge system.
Background
The sewage in many cities in China has the characteristic of low carbon and relatively high nitrogen and phosphorus water quality, and the conventional denitrification process cannot meet the requirement of an anoxic denitrification stage on a carbon source due to low organic matter content, so that the denitrification process is blocked, the value increase of heterotrophic aerobic bacteria is inhibited, the assimilation of ammonia nitrogen (NH 4-N) is reduced, and the denitrification effect of a sewage treatment plant is greatly influenced.
The addition of carbon sources is an important means for solving the problems in the sewage treatment plant. However, in the denitrification process, the carbon source can be quickly biodegraded without generating secondary pollution, and is the best choice of an electron donor in the denitrification process. The main carbon sources studied at present are methanol, ethanol, sodium acetate and glucose. When a carbon source is added, the problems that the adding of the carbon source is inaccurate, the adding amount of the carbon source cannot be controlled in real time, the system safety is not high and the like exist, and some carbon sources mainly depend on manual adding.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a sewage treatment carbon source dosing system which has accurate record, convenient operation and high safety and can automatically control the dosing amount according to different conditions.
The utility model discloses a realize like this: the utility model provides a sewage treatment carbon source medicine system, includes reservoir, measuring pump, water plant adds the medicine pond, the measuring pump pass through the pipeline and connect reservoir and water plant simultaneously and add the medicine pond, the reservoir connect and be provided with ball valve, Y type filter on the pipeline of measuring pump, the measuring pump connect and be provided with manometer and back pressure valve on the pipeline in water plant adds the medicine pond, the measuring pump include: piston cylinder body, bent axle, piston, the piston setting in piston cylinder body, piston cylinder body in still be provided with suction valve and discharge valve, the piston connection cross head, the cross head pass through the connecting rod and connect the bent axle, the bent axle still connect PLC control unit, PLC control unit still connect online ammonia nitrogen detector, online ammonia nitrogen detector be used for detecting the nitrogen content of intaking when sewage treatment.
The utility model discloses a carbon source medicine system with sodium acetate as the design of carbon source, research shows that its denitrification rate will be far higher than methyl alcohol and starch when sodium acetate is as the carbon source. The main reason for this is that sodium acetate is a low molecular organic acid salt and is easily utilized by microorganisms. This system design has PLC control unit, can calculate the volume of corresponding sodium acetate of throwing because the difference of aquatic nitrogen content according to the seasonal variation of difference, then solidifies PLC control unit with this mathematical control model. And when the PLC control part receives the nitrogen-containing data of the effluent sent by the online ammonia nitrogen detector, the nitrogen-containing data of the effluent is compared with a mathematical control model in the system, a corresponding control signal is output, and the dosage of the sodium acetate is adjusted by controlling the metering pump after digital-to-analog conversion.
The liquid storage tank is connected with a pipeline of the metering pump, the ball valve and the Y-shaped filter are arranged on the pipeline, the Y-shaped filter can prevent impurities or precipitates in raw material liquid from blocking a pump opening, and the ball valve can be closed to remove and repair the metering pump when the metering pump fails, so that liquid in the pipeline is prevented from flowing out.
The metering pump is provided with a pressure gauge and a back pressure valve on a pipeline connecting the dosing tank of the water plant, and the back pressure valve can prevent the problem of excessive delivery under low pressure if the metering pump has the problem of excessive delivery when a low-pressure system works.
The liquid storage tank is connected with a pipeline of the metering pump and is also connected with a safety valve, and the safety valve is opened when the pressure of the pipeline exceeds a set pressure, so that the liquid medicine flows back to the liquid storage tank.
The metering pump is also connected with a pulse damper.
The pulse damper and the back pressure valve are used simultaneously, so that the flow peak value between the metering pump and the back pressure valve is buffered, and meanwhile, the abrasion speed of the back pressure valve can be reduced.
An exhaust valve is further arranged on a pipeline between the metering pump and the pulse damper and is connected with the liquid storage tank through a pipeline.
The liquid storage tank is connected with a pipeline of the metering pump and is also connected with a correction column. The correction column periodically checks the delivery capacity of the metering pump through the flow meter, and prevents the occurrence of excessive and small quantity.
The utility model has the advantages that: the system has reasonable design, automatically controls the dosage of the carbon source sodium acetate, has safe and reliable operation, and meets the actual production requirement of a sewage treatment plant.
Drawings
Fig. 1 is a schematic structure of the present invention.
A drawing; in the figure: 1-liquid storage tank, 2-safety valve, 3-Y type filter, 4-metering pump, 401-suction valve, 402-discharge valve, 403-piston, 404-piston cylinder, 405-crosshead, 406-connecting rod, 407-crankshaft, 5-pulse damper, 6-water plant dosing tank, 7-online ammonia nitrogen detector, 8-PLC control unit, 9-ball valve, 10-correction column, 11-exhaust valve, 12-pressure gauge and 13-back pressure valve.
Detailed Description
In order to understand the technical solution of the present invention more clearly, the present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 a sewage treatment carbon source medicine system, including reservoir 1, measuring pump 4, water plant add the medicine pond 6, measuring pump 4 connect reservoir 1 and water plant with medicine pond 6 simultaneously through the pipeline, reservoir 1 connect the pipeline of measuring pump on be provided with ball valve, Y type filter, measuring pump 4 connect the pipeline that the water plant adds medicine pond 6 on be provided with manometer 12 and back pressure valve 13, measuring pump 4 include: piston cylinder 404, bent axle 407, piston 403 set up in piston cylinder 404, piston cylinder 404 in still be provided with suction valve 401 and discharge valve 402, piston 403 connect cross head 405, cross head 405 connect bent axle 407 through connecting rod 406, bent axle 407 still connect PLC control unit 8, PLC control unit 8 still connect online ammonia nitrogen detector 7, online ammonia nitrogen detector 7 be used for detecting the nitrogen content of intaking when sewage treatment. The liquid storage tank 1 is connected with a pipeline of the metering pump 4 and is also connected with a safety valve 2, and the safety valve 2 is opened when the pipeline pressure exceeds a set pressure, so that the liquid medicine flows back to the liquid storage tank. The metering pump 4 is also connected with a pulse damper 5. An exhaust valve 11 is further arranged on a pipeline between the metering pump 4 and the pulse damper 5, and the exhaust valve 11 is connected with the liquid storage tank 1 through a pipeline. The liquid storage tank 1 is connected with a pipeline of the metering pump 4 and is also connected with a correction column 10.
The utility model discloses during operation, the work of measuring pump 4 can be divided into two processes of suction and discharge. When the piston 403 moves to the right from the left end of the piston cylinder 404, the volume inside the piston cylinder 404 gradually increases, and the pressure decreases, so that the liquid in the reservoir 1 pushes the suction valve 401 open into the working chamber under the action of the atmospheric pressure until the piston 403 reaches the rightmost end of the piston cylinder 404. After this, after the crank 407 of the transmission case has rotated 180 °, the piston 403 is moved to the left by the right end of the piston cylinder 404, and since the liquid is incompressible, the liquid previously entering the cylinder is immediately squeezed by the piston and the pressure rises rapidly, and when the pressure of the liquid in the piston cylinder 404 reaches a level sufficient to open the discharge valve 402, the liquid is discharged through the discharge valve 402 to the discharge line. Thus, a suction and discharge process is completed as a working cycle.
The utility model has the advantages of reasonable design, the medicine volume of adding of automatic control carbon source sodium acetate, system operation safe and reliable satisfies sewage treatment plant actual production needs.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (5)
1. The utility model provides a sewage treatment carbon source charge system, includes reservoir, measuring pump, water works and adds the medicine pond, the measuring pump pass through the pipeline and connect reservoir and water works simultaneously and add the medicine pond, a serial communication port, the reservoir connect and be provided with ball valve, Y type filter on the pipeline of measuring pump, the measuring pump connect and be provided with manometer and back pressure valve on the pipeline that the water works adds the medicine pond, the measuring pump include: piston cylinder body, bent axle, piston, the piston setting in piston cylinder body, piston cylinder body in still be provided with suction valve and discharge valve, the piston connection cross head, the cross head pass through the connecting rod and connect the bent axle, the bent axle still connect PLC control unit, PLC control unit still connect online ammonia nitrogen detector, online ammonia nitrogen detector be used for detecting the nitrogen content of intaking when sewage treatment.
2. The carbon source dosing system for sewage treatment as claimed in claim 1, wherein the pipeline connecting the reservoir with the metering pump is further connected with a safety valve, and the safety valve is opened when the pipeline pressure exceeds a set pressure, so that the chemical solution flows back to the reservoir.
3. The carbon source dosing system for sewage treatment as claimed in claim 1, wherein the metering pump is further connected with a pulse damper.
4. The carbon source dosing system for sewage treatment according to claim 1, wherein an exhaust valve is further arranged on a pipeline between the metering pump and the pulse damper, and the exhaust valve is connected with the liquid storage tank through a pipeline.
5. The carbon source dosing system for sewage treatment according to claim 1, wherein the pipeline connecting the reservoir with the metering pump is further connected with a calibration column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920251028.0U CN209815906U (en) | 2019-02-28 | 2019-02-28 | Sewage treatment carbon source medicine system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920251028.0U CN209815906U (en) | 2019-02-28 | 2019-02-28 | Sewage treatment carbon source medicine system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209815906U true CN209815906U (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920251028.0U Expired - Fee Related CN209815906U (en) | 2019-02-28 | 2019-02-28 | Sewage treatment carbon source medicine system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209815906U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111777106A (en) * | 2020-07-08 | 2020-10-16 | 南通派菲克水务技术有限公司 | Cabinet type medicine feeder of intelligence |
| CN115403166A (en) * | 2022-09-15 | 2022-11-29 | 四川优尼柯环保科技有限公司 | Oxygen increasing device and oxygen increasing method for plateau environment sewage treatment |
-
2019
- 2019-02-28 CN CN201920251028.0U patent/CN209815906U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111777106A (en) * | 2020-07-08 | 2020-10-16 | 南通派菲克水务技术有限公司 | Cabinet type medicine feeder of intelligence |
| CN115403166A (en) * | 2022-09-15 | 2022-11-29 | 四川优尼柯环保科技有限公司 | Oxygen increasing device and oxygen increasing method for plateau environment sewage treatment |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20210228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |