CN216360414U - Municipal sewage dephosphorization control system - Google Patents
Municipal sewage dephosphorization control system Download PDFInfo
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- CN216360414U CN216360414U CN202122462349.5U CN202122462349U CN216360414U CN 216360414 U CN216360414 U CN 216360414U CN 202122462349 U CN202122462349 U CN 202122462349U CN 216360414 U CN216360414 U CN 216360414U
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Abstract
The utility model relates to the technical field of sewage treatment, and aims to provide an urban sewage dephosphorization control system which comprises a control device, a sewage monitoring device and a dephosphorization agent adding device; the sewage monitoring device comprises a first relay, a water inlet electromagnetic valve, a water outlet electromagnetic valve and a total phosphorus on-line monitor, and the phosphorus removal agent adding device comprises a flowmeter, a temperature sensor, a second relay, a resistance heater, a dosing pump and a stirrer. The urban sewage dephosphorization control system can adjust the adding amount of the dephosphorization agent according to the total phosphorus amount of inlet water, can monitor the dephosphorization effect according to the total phosphorus amount of outlet water, is favorable for carrying out secondary treatment on unqualified sewage, can mix and stir the dephosphorization agent solution according to preset parameters when the dephosphorization agent is added, can control the adding amount according to the flowmeter, saves the using amount of the agent to the maximum extent, ensures that the sewage dephosphorization is more scientific, and simultaneously reduces the sewage treatment cost.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a municipal sewage dephosphorization control system.
Background
With the increasing development and utilization activities of human beings on environmental resources, a large amount of domestic sewage and industrial wastewater containing phosphorus nutrient substances are discharged into rivers and lakes, the load of the nutrient substances in the water body is increased, and the direct result is water eutrophication. Phosphorus in wastewater can be removed by both chemical and biological methods. Biological phosphorus removal is a relatively economic phosphorus removal method, but as the existing biological phosphorus removal process cannot ensure that the total phosphorus of effluent stably reaches the standard of 0.5mg/L, chemical phosphorus removal measures are often adopted or assisted. The phosphorus removing agent is a commonly used agent in chemical treatment, and can be directly added in use, or firstly added into a dissolving tank with the concentration of 10-20%, stirred and added into a reaction tank by a pump. The product has wide applicable pH value range and excellent use effect under acidic conditions, and the use amount is about 100-1000 ppm (namely 0.1-1 kg/ton of wastewater), and the use amount is different according to the content of phosphate radicals in the wastewater.
The existing chemical phosphorus removal technology has the following problems: 1) the dosing amount can not be linked with the total phosphorus in the effluent, the dosing amount is usually required to be adjusted through once-a-day test data and operation experience, whether the dosing amount is appropriate or not and whether the effluent quality is met or not are completely adjusted by the subjectiveness of production operators, and the effluent stability is not strong; 2) the traditional phosphorus removing agent needs to be stirred, and the stirring effect of the traditional stirring equipment is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a municipal sewage dephosphorization control system to overcome the defects of the prior art.
The technical scheme adopted by the utility model is as follows: a municipal sewage dephosphorization control system comprises a control device, a sewage monitoring device and a dephosphorization agent adding device;
the control device comprises a control processor;
the sewage monitoring device comprises a first relay, a water inlet electromagnetic valve, a water outlet electromagnetic valve and a total phosphorus on-line monitor, wherein the water inlet electromagnetic valve and the water outlet electromagnetic valve are respectively connected with the first relay, and the first relay and the total phosphorus on-line monitor are respectively connected with a control processor;
the phosphorus removal agent feeding device comprises a flow meter, a temperature sensor, a second relay, a resistance heater, a dosing pump and a stirrer, wherein the flow meter and the temperature sensor are respectively connected with the control processor, the resistance heater, the dosing pump and the stirrer are respectively connected with the second relay, and the second relay is connected with the control processor.
Preferably, the dosing pump is a diaphragm pump, and the flowmeter is an electromagnetic flowmeter.
Preferably, the sewage monitoring device further comprises a liquid level meter, and the liquid level meter is connected with the control processor.
Preferably, the control device further comprises a human-computer interaction panel, and the human-computer interaction panel is respectively connected with the control processor.
Preferably, the human-computer interaction panel comprises a display module, an input module, an indicator light and a USB interface.
Preferably, the system also comprises a wireless communication device, a server and a monitoring center, wherein the monitoring center, the server and the wireless communication device are sequentially connected, and the wireless communication device is connected with the control processor.
Preferably, the wireless communication device is at least one of 4G and 5G, WiFi.
Preferably, the control processor is a PLC, and the PLC is S7-300.
Compared with the prior art, the utility model has the beneficial effects that:
the urban sewage dephosphorization control system can adjust the adding amount of the dephosphorization agent according to the total phosphorus amount of inlet water, can monitor the dephosphorization effect according to the total phosphorus amount of outlet water, is beneficial to carrying out secondary treatment on unqualified sewage, can effectively monitor the adding amount and the outlet water quality, can mix and stir the dephosphorization agent solution according to preset parameters when the dephosphorization agent is added, is beneficial to improving the dephosphorization effect of the dephosphorization agent, can control the adding amount according to the flowmeter, saves the using amount of the agent to the maximum extent, ensures that the sewage dephosphorization is more scientific, and simultaneously reduces the sewage treatment cost.
Drawings
FIG. 1 is a diagram of an overall system of a municipal sewage dephosphorization control system.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to fig. 1 of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other implementations made by those of ordinary skill in the art based on the embodiments of the present invention are obtained without inventive efforts.
In the description of the present invention, it is to be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting.
As shown in FIG. 1, a municipal sewage dephosphorization control system comprises a control device, a sewage monitoring device and a dephosphorization agent adding device;
the control device comprises a control processor, a control and processing core and a control and processing module, wherein the control processor is used for controlling the operation of the whole system;
the sewage monitoring device comprises a first relay, a water inlet electromagnetic valve, a water outlet electromagnetic valve and a total phosphorus on-line monitor, wherein the water inlet electromagnetic valve and the water outlet electromagnetic valve are respectively connected with the first relay, and the first relay and the total phosphorus on-line monitor are respectively connected with a control processor; the total phosphorus on-line monitor is provided with two groups, wherein the two groups are respectively arranged at the water inlet and the water outlet and are respectively used for monitoring the total phosphorus content of the water inlet and the water outlet, and the model of the total phosphorus on-line monitor is HZ-EST-2003;
the phosphorus removing agent adding device comprises a flow meter, a temperature sensor, a second relay, a resistance heater, a dosing pump and a stirrer, wherein the flow meter and the temperature sensor are respectively connected with the control processor, the resistance heater, the dosing pump and the stirrer are respectively connected with the second relay, and the second relay is connected with the control processor; the system comprises a dosing pump, a flow meter, a temperature sensor, a phosphorus removing agent feeding pipeline, a sewage treatment tank and a sewage treatment tank, wherein the dosing pump is a diaphragm pump, the flow meter is an electromagnetic flow meter, the temperature sensor is GX18B20W, the system also comprises a phosphorus removing agent medicine storage box and a phosphorus removing agent feeding pipeline in actual use, the phosphorus removing agent feeding pipeline is used for connecting the phosphorus removing agent medicine storage box and the sewage treatment tank, and the flow meter is arranged on the phosphorus removing agent feeding pipeline and used for detecting the feeding amount of the phosphorus removing agent; the temperature sensor and the heater resistance stirring rod are both arranged in the phosphorus removing agent storage box, the temperature sensor is used for detecting the temperature of the phosphorus removing agent, and the stirrer is used for stirring the phosphorus removing agent.
Specifically, the sewage quantity of a sewage treatment pool can be controlled through a water inlet electromagnetic valve and a water outlet electromagnetic valve, a total phosphorus online monitor of a water inlet collects the water inlet in real time, a control processor can automatically adjust the adding quantity of a phosphorus removing agent according to the total phosphorus quantity of a water inlet and a water outlet, the adding quantity of the phosphorus removing agent is automatically increased when the total phosphorus quantity of the water inlet is higher, the adding quantity of the phosphorus removing agent is automatically reduced when the total phosphorus quantity of the water inlet is lower, meanwhile, the water outlet quality is monitored through the total phosphorus online monitor arranged at the water outlet, and if the monitored total phosphorus content does not reach the standard, the control processor can give an alarm to remind a worker to carry out secondary treatment on the sewage which does not reach the standard; through the matching of the stirrer, the temperature sensor and the resistance heater in the phosphorus removing agent adding device, phosphorus removing agent liquid medicine in the phosphorus removing agent medicine storage box can be stirred and mixed according to preset stirring temperature, stirring time and stirring speed, so that the stirring effect is improved, and the phosphorus removing agent is prevented from being solidified and precipitated.
It is worth to state that, sewage monitoring device still includes the level gauge, the level gauge is connected with control processor.
It is worth to say that the control device further comprises a human-computer interaction panel, and the human-computer interaction panel is respectively connected with the control processor.
It is worth to say that the human-computer interaction panel comprises a display module, an input module, an indicator light and a USB interface.
Specifically, the input module is used for transmitting control information and/or setting operation parameters to the control processor, the indicator light is used for indicating the working states of the dephosphorization dosing device and the sewage monitoring device, and the USB interface is used for exchanging data with external equipment.
It is worth to say, still include wireless communication device, server, surveillance center, server, wireless communication device connect gradually, wireless communication device is connected with control processor.
It is worth mentioning that the wireless communication device is at least one of 4G and 5G, WiFi.
Specifically, the system can send the working conditions of the sewage monitoring device and the phosphorus removal dosing device to the monitoring center, and the phosphorus removal conditions can be remotely monitored and managed conveniently.
It should be noted that the control processor is a PLC, and the PLC is a PLC of model S7-300.
In conclusion, the municipal sewage dephosphorization control system can adjust the adding amount of the dephosphorization agent according to the total phosphorus amount of inlet water, can monitor the dephosphorization effect according to the total phosphorus amount of outlet water, is favorable for carrying out secondary treatment on unqualified sewage, can mix and stir the dephosphorization agent solution according to preset parameters when the dephosphorization agent is added, is favorable for improving the dephosphorization effect of the dephosphorization agent, can control the adding amount according to the flowmeter, furthest saves the using amount of the agent, ensures that the sewage dephosphorization is more scientific, and simultaneously reduces the sewage treatment cost.
Claims (8)
1. A municipal sewage dephosphorization control system is characterized by comprising a control device, a sewage monitoring device and a dephosphorization agent adding device;
the control device comprises a control processor;
the sewage monitoring device comprises a first relay, a water inlet electromagnetic valve, a water outlet electromagnetic valve and a total phosphorus on-line monitor, wherein the water inlet electromagnetic valve and the water outlet electromagnetic valve are respectively connected with the first relay, and the first relay and the total phosphorus on-line monitor are respectively connected with a control processor;
the phosphorus removal agent feeding device comprises a flow meter, a temperature sensor, a second relay, a resistance heater, a dosing pump and a stirrer, wherein the flow meter and the temperature sensor are respectively connected with the control processor, the resistance heater, the dosing pump and the stirrer are respectively connected with the second relay, and the second relay is connected with the control processor.
2. The municipal sewage dephosphorization control system according to claim 1, wherein the dosing pump is a diaphragm pump and the flow meter is an electromagnetic flow meter.
3. The system of claim 1, wherein the sewage monitoring device further comprises a liquid level meter, and the liquid level meter is connected to the control processor.
4. The municipal sewage dephosphorization control system according to claim 1, wherein the control device further comprises a human-computer interaction panel, and the human-computer interaction panel is respectively connected with the control processor.
5. The system of claim 4, wherein the human-computer interaction panel comprises a display module, an input module, an indicator light, and a USB interface.
6. The municipal sewage dephosphorization control system according to claim 1, further comprising a wireless communication device, a server and a monitoring center, wherein the monitoring center, the server and the wireless communication device are connected in sequence, and the wireless communication device is connected with the control processor.
7. The system of claim 6, wherein the wireless communication device is at least one of 4G and 5G, WiFi.
8. The municipal sewage dephosphorization control system according to claim 1, wherein the control processor is of the PLC type, and the PLC type is S7-300.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122462349.5U CN216360414U (en) | 2021-10-11 | 2021-10-11 | Municipal sewage dephosphorization control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122462349.5U CN216360414U (en) | 2021-10-11 | 2021-10-11 | Municipal sewage dephosphorization control system |
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| CN216360414U true CN216360414U (en) | 2022-04-22 |
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| CN202122462349.5U Active CN216360414U (en) | 2021-10-11 | 2021-10-11 | Municipal sewage dephosphorization control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117550665A (en) * | 2024-01-12 | 2024-02-13 | 青岛中润设备仪表有限公司 | Method, device, computer equipment and medium for treating sewage by electromagnetic flowmeter |
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2021
- 2021-10-11 CN CN202122462349.5U patent/CN216360414U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117550665A (en) * | 2024-01-12 | 2024-02-13 | 青岛中润设备仪表有限公司 | Method, device, computer equipment and medium for treating sewage by electromagnetic flowmeter |
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