CN219603386U - Sewage plant process system for optimizing and improving pump set efficiency - Google Patents
Sewage plant process system for optimizing and improving pump set efficiency Download PDFInfo
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- CN219603386U CN219603386U CN202320148724.5U CN202320148724U CN219603386U CN 219603386 U CN219603386 U CN 219603386U CN 202320148724 U CN202320148724 U CN 202320148724U CN 219603386 U CN219603386 U CN 219603386U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The utility model discloses a sewage plant process system for optimizing the efficiency of a lifting pump set, which is characterized in that the water level on-line monitoring system and the PLC water level linkage regulation and control early warning system are respectively arranged behind a grid lifting pump room and in front of a biochemical unit, the water inlet amount of the sewage plant and the biochemical section treatment water level are monitored in real time, collected liquid level data are calculated through the PLC on-line water level linkage regulation and control early warning system, the number of high-power lifting pumps and low-power lifting pumps which need to be started at the current moment is obtained, the result is fed back to a control unit, and finally the lifting pump set which needs to be started and closed is determined and controlled by the control unit. The method realizes the pump set operation regulation and control of the lifting pump set under different water level working conditions and timely early warning under the condition of exceeding water quantity. According to the utility model, the lifting pump set of the urban sewage treatment plant is optimally managed, so that an online monitoring process system of the linkage of the lifting pump room and the liquid level of the biochemical unit is constructed, and the treatment energy consumption of the lifting pump set of the sewage treatment plant is reduced.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a sewage plant process system for optimizing and improving pump set efficiency.
Background
The lifting pump set in the sewage treatment system is used as second large energy consumption equipment of the sewage plant, and the operation of the lifting pump is intelligently optimized and scheduled, so that the intelligent control method has important significance in reducing the energy consumption and operation and maintenance cost of the sewage treatment plant, realizing carbon emission reduction and intelligent control of the sewage treatment plant. On the other hand, as the water inflow of sewage plants is influenced by rainy season factors, the drainage pipe network of most cities in China is still in a rain and sewage converging form, so that the impact of rainfall brings huge pressure to the sewage treatment plants, standard operation and safe production face serious tests, and overflow is easy to occur once the sewage treatment plants are not enough to cope with or are improper to cope with. In addition, the content of organic matters in water is far lower than a design value due to rainfall, the active sludge system can not be normally maintained when the rainfall is severe, the treatment efficiency is obviously reduced, more effective measures are taken to ensure the normal operation and standard discharge of a sewage plant in rainy season, overflow pollution is avoided, and the method is one of key works faced by the sewage plant, so that the establishment of water level linkage control of a lifting pump set and a subsequent biochemical unit and measures for coping with water quantity mutation are needed.
Disclosure of Invention
The utility model aims to provide a sewage plant process system for optimizing the efficiency of a lifting pump set, which is used for constructing an online monitoring process system for the linkage of a lifting pump room and a liquid level of a biochemical unit by optimally managing the lifting pump set of an urban sewage treatment plant, solving the problems of the existing urban sewage treatment technology and the problem of water quantity mutation of the sewage treatment plant and reducing the treatment energy consumption of the lifting pump set of the sewage plant.
The utility model is realized by the following technical scheme:
a sewage plant process system for optimizing the efficiency of a lifting pump set comprises a grid lifting pump room, a storage tank, a sand setting tank unit, a biochemical unit, a sedimentation unit, an air floatation unit, a PLC (programmable logic controller) on-line water level linkage regulation and control early warning system and a water level/water quantity monitoring device; the grid lifting pump room, the sand setting tank unit, the biochemical unit, the sedimentation unit and the air floatation unit are sequentially connected through a water conveying pipeline; the water level/water quantity monitoring device comprises a first water level/water quantity monitoring device, a second water level/water quantity monitoring device and a third water level/water quantity monitoring device; the first water level/water quantity monitoring device is arranged in front of the grid lifting pump room and is used for monitoring the water level/water quantity of the inlet water of the grid lifting pump room; the grid lifting pump room is connected with the storage tank through a first pipeline, and the first pipeline is provided with a first valve; the second water level/water quantity monitoring device is connected with the grit chamber unit through a second pipeline, and the second pipeline is provided with a second valve; the third water level/water quantity monitoring device is connected with the biochemical unit through a third pipeline, and the third pipeline is provided with a third valve; the PLC online water level linkage regulation and control early warning system is respectively connected with the first water level/water quantity monitoring device, the second water level/water quantity monitoring device, the first valve, the second valve and the third valve; the PLC online water level linkage regulation and control early warning system is used for controlling the opening and closing conditions of the first valve, the second valve and the third valve according to the water inflow.
Further, the biochemical unit comprises a water quantity monitoring subunit and a water level monitoring subunit, wherein the water quantity monitoring subunit is used for monitoring the water quantity and the water level of the biochemical unit.
Further, the PLC online water level linkage regulation and control early warning system is respectively connected with the water quantity monitoring subunit and the water level monitoring subunit; the PLC control unit is used for controlling the opening and closing conditions of the first valve, the second valve and the third valve according to the water level and the water quantity of the biochemical unit.
Further, the storage tank is provided with a mud discharging pipeline, a emptying pipeline, a stirring device and a back flushing device.
Further, the first water level/water quantity monitoring device, the second water level/water quantity monitoring device and the third water level/water quantity monitoring device all comprise a water level measuring instrument and a water quantity measuring instrument.
Further, the precipitation unit comprises at least one of a secondary sedimentation tank, a high-density precipitation filter tank and a membrane bioreactor.
Further, the biochemical unit may be used to implement at least one of an AO process, an AAO process, a BAF process, an SBR process, and an MBR process.
Further, the biochemical unit and the sedimentation unit are both provided with a vent pipe.
According to the utility model, by means of respectively arranging the water level on-line monitoring system and the PLC water level linkage regulation and control early warning system after the grid lifting pump room and before the biochemical unit, the water inlet amount of the sewage plant and the biochemical section treatment water level are monitored in real time, collected liquid level data are calculated through the PLC on-line water level linkage regulation and control early warning system, the number of high-power lifting pumps and low-power lifting pumps which need to be started at the current moment is obtained, the result is fed back to the control unit, and finally the lifting pump set which needs to be started and closed is determined and controlled by the control unit. The method realizes the pump set operation regulation and control of the lifting pump set under different water level working conditions and timely early warning under the condition of exceeding water quantity. Meanwhile, a rainwater storage pool is arranged behind the grid lifting pump room, and excess sewage is timely transferred to the storage pool under the condition that the maximum treatment water quantity of the super biochemical section appears in the water entering the factory in the rainy season.
The specific operation mode of the sewage plant process system for optimizing and improving the pump set efficiency is as follows:
firstly, increase the storage pond behind the elevator pump house. Aiming at the condition of abrupt change of the water quantity in rainy season, temporary storage is carried out between excess water quantity in the factory of a sewage treatment plant, and after the maximum flow is reduced, the excess sewage is regulated into a biochemical unit from a regulating and storing tank. The impact of abrupt change of the quality of the inlet water on the biochemical section treatment is avoided, and the quality of the inlet water for the stable operation of a sewage plant is realized;
secondly, under the condition of abrupt change of the water quantity in the rainy season, a PLC controlled water level linkage regulation and control early warning system is adopted, an online water quantity real-time data monitoring device is introduced, the water quantity of a lift pump room and a biochemical unit is monitored in real time, and the water inlet proportion entering the biochemical unit and a storage tank is regulated in real time and reasonably distributed through the change of the water inlet quantity so as to ensure the stability of the water inlet quality of the biochemical section of a sewage plant;
thirdly, under the normal running condition of the sewage treatment plant, the collected liquid level data is calculated through the PLC on-line water level linkage regulation and control early warning system, the number of high-power lifting pumps and low-power lifting pumps which need to be started at the current moment is obtained, the result is fed back to the control unit, and finally the lifting pump set which needs to be started and closed is determined and controlled by the control unit, so that the running of the sewage treatment lifting pump is optimally scheduled, and the energy consumption and the operation and maintenance cost of the sewage treatment plant are reduced.
The utility model has the beneficial effects that:
1) The utility model can be applied to the carbon emission reduction sewage treatment technology of sewage treatment plants, and achieves the purpose of reducing the carbon emission of the sewage treatment process;
2) According to the utility model, the storage tank is additionally arranged behind the grid lifting pump room, so that temporary storage is carried out on excess water volume of a sewage treatment plant entering a factory under the condition of abrupt change of water volume in a rainy season, impact on biochemical section treatment caused by abrupt change of water quality of inflow water is effectively avoided, and the water quality of inflow water of the sewage treatment plant running stably is realized.
3) The utility model introduces a PLC on-line water level linkage regulation and control early warning system and a water level/water quantity monitoring device, monitors the water quantity of a grid lifting pump room and a biochemical unit in real time, and ensures the stability of the water quality of the inlet water of the biochemical section of the sewage plant by adjusting and reasonably distributing the water inlet proportion of the inlet water quantity into the biochemical unit and a storage tank in real time; and the quantity of the lifting pumps required to be started is calculated by collecting liquid level data of the grid lifting pump room, the lifting pump sets required to be started and closed are controlled, the operation of the sewage treatment lifting pump is optimized, and the energy consumption and the operation and maintenance cost of the sewage treatment plant are reduced.
4) The utility model adopts the whole-course automatic control module to operate, has simple and feasible control and good operability for engineering application.
5) The utility model provides a complete sewage plant process system for optimizing and improving the efficiency of a pump set, which can be used for new construction and reconstruction engineering of a sewage treatment plant, comprises a control mode for realizing operation, and can effectively realize carbon emission reduction.
Drawings
Fig. 1 is a schematic diagram of a sewage plant process system apparatus for optimizing efficiency of a pump stack according to an embodiment.
In the accompanying drawings: 1-a grid lifting pump house; 2-a grit chamber unit; a 3-biochemical unit; a 4-precipitation unit; 5-an air floatation unit; 6-a storage tank; 7-PLC on-line water level linkage regulation and control early warning system; 11-a first water level/quantity monitoring device; 12-pipeline; 13-piping; 14-a second water level/volume monitoring device; 15-a pipeline; 16-pipeline; 17-piping; 18-piping; 19-a third water level/volume monitoring device; 20-pipeline.
Detailed Description
The present utility model will now be described in detail with reference to the drawings and the detailed description thereof, wherein the utility model is illustrated by the schematic drawings and the detailed description thereof, which are included to illustrate and not to limit the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, back, upper, lower, top, bottom … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicators are correspondingly changed.
In the present utility model, unless explicitly specified and limited otherwise, the term "connected" is to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first", "a second" may include at least one such feature, either explicitly or implicitly; in addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
A sewage plant process system for optimizing the efficiency of a lifting pump set comprises a grid lifting pump room, a storage tank, a sand setting tank unit, a biochemical unit, a sedimentation unit, an air floatation unit, a PLC (programmable logic controller) on-line water level linkage regulation and control early warning system and a water level/water quantity monitoring device; the grid lifting pump room, the sand setting tank unit, the biochemical unit, the sedimentation unit and the air floatation unit are sequentially connected through a water conveying pipeline; the water level/water quantity monitoring device comprises a first water level/water quantity monitoring device, a second water level/water quantity monitoring device and a third water level/water quantity monitoring device; the first water level/water quantity monitoring device is arranged in front of the grid lifting pump room and is used for monitoring the water level/water quantity of the inlet water of the grid lifting pump room; the grid lifting pump room is connected with the storage tank through a first pipeline, and the first pipeline is provided with a first valve; the second water level/water quantity monitoring device is connected with the grit chamber unit through a second pipeline, and the second pipeline is provided with a second valve; the third water level/water quantity monitoring device is connected with the biochemical unit through a third pipeline, and the third pipeline is provided with a third valve; the PLC online water level linkage regulation and control early warning system is respectively connected with the first water level/water quantity monitoring device, the second water level/water quantity monitoring device, the first valve, the second valve and the third valve; the PLC online water level linkage regulation and control early warning system is used for controlling the opening and closing conditions of the first valve, the second valve and the third valve according to the water inflow.
Specifically, the biochemical unit comprises a water quantity monitoring subunit and a water level monitoring subunit, wherein the water quantity monitoring subunit is used for monitoring the water quantity and the water level of the biochemical unit.
Specifically, the PLC online water level linkage regulation and control early warning system is respectively connected with the water quantity monitoring subunit and the water level monitoring subunit; the PLC control unit is used for controlling the opening and closing conditions of the first valve, the second valve and the third valve according to the water level and the water quantity of the biochemical unit.
Specifically, the storage tank is provided with a mud discharge pipeline, an emptying pipeline, a stirring device and a back flushing device.
Specifically, the first water level/water quantity monitoring device, the second water level/water quantity monitoring device and the third water level/water quantity monitoring device all comprise a water level measuring instrument and a water quantity measuring instrument.
Specifically, the precipitation unit comprises at least one of a secondary sedimentation tank, a high-density precipitation filter tank and a membrane bioreactor.
In particular, the biochemical unit may be used to implement at least one of an AO process, an AAO process, a BAF process, an SBR process, and an MBR process.
Specifically, the biochemical unit and the sedimentation unit are both provided with a vent pipeline.
The following description of the process is provided in connection with, but not limited to, fig. 1 (a diagram of a sewage plant process system arrangement that optimizes the efficiency of the pump stack).
Example 1: a sewage plant process system for optimizing and improving pump set efficiency;
referring to fig. 1, fig. 1 is a schematic diagram of a process system device for a sewage plant for optimizing and improving efficiency of a pump set according to an embodiment of the present utility model.
The device comprises: the system comprises a grid lifting pump room 1, a sand setting tank unit 2, a biochemical unit 3, a precipitation unit 4, an air floatation unit 5, a storage tank 6 and a PLC (programmable logic controller) online water level linkage regulation and control early warning system 7; the water inlet pipeline of the grid-lifting pump room 1 is provided with a first water level/water quantity monitoring device 11, the first water level/water quantity monitoring device 11 is connected with the PLC online water level linkage regulation and control early warning system through a pipeline 12, the grid-lifting pump room 1 is connected with the grit chamber unit through a second pipeline, and the second pipeline is provided with a second valve; the grid lifting pump room 1 is connected with the storage tank through a first pipeline, and the first pipeline is provided with a valve; the storage tank 6 is connected with a sand setting tank unit through a pipeline 18, the second water level/water quantity monitoring device 14 is connected with a PLC (programmable logic controller) online water level linkage regulation and control early warning system through a pipeline 20, the third water level/water quantity monitoring device 19 is connected with the PLC online water level linkage regulation and control early warning system through a pipeline 16, and the biochemical unit is connected with the PLC online water level linkage regulation and control early warning system through a pipeline 17;
in fig. 1, the PLC on-line water level linkage control and early warning system is shown by a dotted line, and is connected to the first water level/water amount monitoring device 11, the second water level/water amount monitoring device 14, and the third water level/water amount monitoring device 19, and the first valve, the second valve, and the third valve are respectively connected. In the embodiment of the utility model, the water inlet pipeline is used for introducing sewage; the first water level/water quantity monitoring device 11 is used for monitoring the water level and water quantity of the lifting pump room, the second water level/water quantity monitoring device 14 is used for monitoring the water level and water quantity of the outlet water of the grid lifting pump room 1, the third water level/water quantity monitoring device 19 is used for monitoring the water level and water quantity of the biochemical unit, and the PLC online water level linkage regulation and control early warning system is used for controlling the opening and closing conditions of the first valve, the second valve and the third valve according to the water level/water quantity of sewage detected by the first water level/water quantity monitoring device, the second water level/water quantity monitoring device and the third water level/water quantity monitoring device.
For example, when the water level/water quantity of the sewage detected by the first water level/water quantity monitoring device 11 and the third water level/water quantity monitoring device 19 does not exceed the biochemical stage treatment early-warning water quantity, it is indicated that the current sewage treatment process can bear the sewage treatment task in the current state, and a better purifying and pollution effect is achieved, the PLC on-line water level linkage regulation and control early-warning system confirms the opening and closing conditions of the valves one by one, controls the first valve to be closed, and opens the second valve and the third valve, so that the sewage can enter the biochemical unit through the pipeline to perform biochemical treatment. The sewage after biochemical treatment enters a precipitation unit through a pipeline for precipitation and filtration treatment, finally enters an air floatation unit for treatment to obtain discharged water meeting the discharge standard, and is discharged out of the water quality control device through a water outlet pipeline.
Similarly, when the monitoring results of the first water level/water quantity monitoring device and the second water level/water quantity monitoring device show that the water inflow exceeds the treatment early-warning water quantity of the biochemical section, the sewage in the current state exceeds the maximum threshold value which can be born by the sewage treatment flow, and if the sewage is still directly led into the biochemical unit, the quality of sewage treatment can be reduced, so that the PLC online water level linkage regulation early-warning system can control the first valve to be opened and control the second valve and the third valve to be closed, excessive sewage can enter the storage tank first, and the PLC online water level linkage regulation early-warning system can control the water quantity in the second pipeline by controlling the opening degree of the second valve, so that the sewage quantity entering the biochemical unit is controlled, and the biochemical unit can continuously and reliably realize a better purifying effect. Similarly, the sewage after biochemical treatment can enter a precipitation unit through a fourth pipeline for precipitation and filtration treatment, and finally the discharged water meeting the discharge standard is obtained.
The embodiment of the utility model has the following beneficial effects: the embodiment of the utility model provides a water quality control device, which comprises a grid lifting pump room, a storage tank, a sand setting tank unit, a biochemical unit, a sedimentation unit, an air floatation unit, a PLC (programmable logic controller) on-line water level linkage regulation and control early warning system and a water level/water quantity monitoring device. When sewage reaches a sewage treatment plant through a municipal drainage pipe network, the sewage firstly enters a grid lifting pump room through a water inlet pipe, and the water level/water quantity of the sewage entering the plant is monitored through a first water level/water quantity monitoring device at the joint of the lifting pump room and the water inlet pipe. The lift pump room is connected with the storage tank through a pipeline provided with a first valve, and the storage tank is connected with the sand setting tank unit through a pipeline. And the outlet water of the lifting pump room is connected with the sand sedimentation tank unit through a second water level/water quantity monitoring device. The second water level/water quantity monitoring device is used for detecting the water level/water quantity of the outlet water of the grid lift pump room, and is provided with a pipeline of a second valve. The third water level/water quantity monitoring device is connected with the biochemical unit through a pipeline provided with a third valve. The PLC on-line water level linkage regulation and control early warning system is respectively connected with the first water level/water quantity monitoring device, the first valve, the second valve and the third valve, and is used for controlling the opening and closing conditions of the first valve, the second valve and the third valve according to the sewage water level/water quantity detected by the first water level/water quantity monitoring device;
under the condition that the water quantity is not excessive, (1) when the pre-warning water level does not appear in the biochemical unit, sewage reaches the biochemical unit through a water pipeline to carry out biochemical treatment, the sewage after biochemical treatment flows into the precipitation unit through the pipeline, enters the air floatation tank after precipitation and filtration treatment, and then discharges water. (2) When the third water level/water quantity monitoring device detects that the biochemical unit exceeds the standard water level, the second valve is controlled to be closed, and the outlet water of the lift pump room is led into the storage pool. And after the water level of the biochemical unit is stable, carrying out a subsequent treatment process.
Under the condition of excess water inflow in rainy season, the PLC online water level linkage regulation and control early warning system closes the water inflow of the lift pump and the valve of the grit chamber unit after reaching the early warning water level of the biochemical section through detecting the second water level/water amount monitoring device, controls the first valve of the lift pump room and the storage tank to be opened, and sewage flows into the storage tank first and flows into the grit chamber unit after the water level is stable. The storage tank provides buffering for the biochemical treatment process of sewage, so that the sewage quality in the biochemical unit is maintained in a relatively stable interval, and the aims of maintaining a reliable sewage treatment flow and ensuring a stable sewage treatment effect are fulfilled.
The foregoing has described in detail the technical solutions provided by the embodiments of the present utility model, and specific examples have been applied to illustrate the principles and implementations of the embodiments of the present utility model, where the above description of the embodiments is only suitable for helping to understand the principles of the embodiments of the present utility model; meanwhile, as for those skilled in the art, according to the embodiments of the present utility model, there are variations in the specific embodiments and the application scope, and the present description should not be construed as limiting the present utility model.
Claims (8)
1. The utility model provides an optimize sewage plant process system who promotes pump package efficiency which characterized in that: the system comprises a grid lifting pump room, a storage tank, a sand setting tank unit, a biochemical unit, a sedimentation unit, an air floatation unit and a PLC online water level linkage regulation and control early warning system, and a water level/water quantity monitoring device; the grid lifting pump room, the sand setting tank unit, the biochemical unit, the sedimentation unit and the air floatation unit are sequentially connected through a water conveying pipeline; the water level/water quantity monitoring device comprises a first water level/water quantity monitoring device, a second water level/water quantity monitoring device and a third water level/water quantity monitoring device; the first water level/water quantity monitoring device is arranged in front of the grid lifting pump room and is used for monitoring the water level/water quantity of the inlet water of the grid lifting pump room; the grid lifting pump room is connected with the storage tank through a first pipeline, and the first pipeline is provided with a first valve; the second water level/water quantity monitoring device is connected with the grit chamber unit through a second pipeline, and the second pipeline is provided with a second valve; the third water level/water quantity monitoring device is connected with the biochemical unit through a third pipeline, and the third pipeline is provided with a third valve; the PLC online water level linkage regulation and control early warning system is respectively connected with the first water level/water quantity monitoring device, the second water level/water quantity monitoring device, the first valve, the second valve and the third valve; the PLC online water level linkage regulation and control early warning system is used for controlling the opening and closing conditions of the first valve, the second valve and the third valve according to the water inflow.
2. A sewage plant process system for optimizing the efficiency of a pump stack according to claim 1, wherein: the biochemical unit comprises a water quantity monitoring subunit and a water level monitoring subunit, and the water quantity monitoring subunit is used for monitoring the water quantity and the water level of the biochemical unit.
3. A sewage plant process system for optimizing the efficiency of a pump stack according to claim 2, wherein: the PLC online water level linkage regulation and control early warning system is respectively connected with the water quantity monitoring subunit and the water level monitoring subunit; the PLC control unit is used for controlling the opening and closing conditions of the first valve, the second valve and the third valve according to the water level and the water quantity of the biochemical unit.
4. A sewage plant process system for optimizing the efficiency of a pump stack according to claim 1, wherein: the storage tank is provided with a mud discharge pipeline, an emptying pipeline, a stirring device and a back flushing device.
5. A sewage plant process system for optimizing the efficiency of a pump stack according to claim 1, wherein: the first water level/water quantity monitoring device, the second water level/water quantity monitoring device and the third water level/water quantity monitoring device all comprise a water level measuring instrument and a water quantity measuring instrument.
6. A sewage plant process system for optimizing the efficiency of a pump stack according to claim 1, wherein: the precipitation unit comprises at least one of a secondary sedimentation tank, a high-density precipitation filter tank and a membrane bioreactor.
7. A sewage plant process system for optimizing the efficiency of a pump stack according to claim 1, wherein: the biochemical unit may be used to implement at least one of an AO process, an AAO process, a BAF process, an SBR process, and an MBR process.
8. A sewage plant process system for optimizing the efficiency of a pump stack according to claim 1, wherein: the biochemical unit and the sedimentation unit are both provided with a vent pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320148724.5U CN219603386U (en) | 2023-01-16 | 2023-01-16 | Sewage plant process system for optimizing and improving pump set efficiency |
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| CN202320148724.5U CN219603386U (en) | 2023-01-16 | 2023-01-16 | Sewage plant process system for optimizing and improving pump set efficiency |
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| CN219603386U true CN219603386U (en) | 2023-08-29 |
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| CN202320148724.5U Active CN219603386U (en) | 2023-01-16 | 2023-01-16 | Sewage plant process system for optimizing and improving pump set efficiency |
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