Flood control pump liquid level control system

By installing a liquid level control system and a PLC controller in the factory's sewage drainage pond, automated drainage was achieved, solving the problem of excessively high water levels in the factory, improving drainage efficiency, and reducing maintenance costs.

CN223577286UActive Publication Date: 2025-11-21DEQING ZHONGNENG THERMOELECTRIC CO LTD
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Patent Information

Application Number
CN202423132253.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-21
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

The existing flood control pipelines within the plant are haphazardly laid out and cannot automatically drain water, resulting in persistently high water levels, severe ground flooding, increased maintenance costs, and safety hazards.

Method used

Design a flood control pump level control system, including a level control system, a level gauge, a PLC controller, and a drainage pump. Automatic drainage is achieved through level information acquisition and PLC control to ensure stable water level in the sedimentation tank.

Benefits of technology

It has achieved automated drainage, improved drainage efficiency, reduced manual intervention, lowered maintenance costs, and ensured operational stability and safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223577286U_ABST
Patent Text Reader

Abstract

The utility model relates to a flood control pump liquid level control system which comprises an in-plant sewage drainage pool and a liquid level control system arranged on the in-plant sewage drainage pool, the in-plant sewage drainage pool is connected with an external river channel through a pipeline, and the liquid level control system is used for controlling the liquid level height of the in-plant sewage drainage pool. The factory sewage drainage pond is composed of a sedimentation pond and a biochemical pond which are adjacent to each other, the sedimentation pond and the biochemical pond are separated through a partition wall, the sedimentation pond is used for collecting factory sewage for sedimentation, at least one drainage pipeline with a drainage pump is arranged between the sedimentation pond and the biochemical pond, and the two ends of the drainage pipeline are communicated with the sedimentation pond and the biochemical pond respectively. The drainage pump is in circuit connection with the liquid level control system, the liquid level of the sedimentation tank is analyzed through the liquid level control system, the drainage pump is controlled to be opened or closed, and therefore it is guaranteed that the sedimentation tank is at the normal water level height, and a gate valve is arranged on a pipeline between the biochemical tank and an external river channel. The device has the advantages of simple and reasonable structure, high efficiency, safety, stable operation and the like.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the factory flood control technical field relates to a flood control pump liquid level control system. BACKGROUND

[0002] The existing factory old flood control pipeline arrangement is disorderly, and the long-term high water level in plum rain season cannot realize the automatic drainage function, causes the factory ground water to be serious, and needs manual cleaning, which is time-consuming and laborious, improves the maintenance cost, and greatly influences the normal operation in the factory and the work efficiency, and there is certain safety hidden danger under serious circumstances.

[0003] Therefore, a flood control pump liquid level control system is designed to overcome the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a flood control pump liquid level control system, which is simple and reasonable in structure, efficient and safe, and stable in operation.

[0005] The utility model discloses a flood control pump liquid level control system, which is simple and reasonable in structure, efficient and safe, and stable in operation.

[0006] As a preferred embodiment, the liquid level control system is composed of a secondary meter, a liquid level meter and a PLC controller, the liquid level meter is installed on the pool wall of the sedimentation tank, the liquid level meter is connected with one end of the secondary meter by a line, the other end of the secondary meter is connected with the PLC control module and the drain pump on the drain pipeline by a line respectively, the liquid level meter sends the collected liquid level information to the secondary meter, the secondary meter sends to the PLC controller, the PLC controller controls the drain pump on the drain pipeline to open or close, thereby controlling the water level of the sedimentation tank.

[0007] As preferred: the drain pipes are two, respectively first drain pipe and second drain pipe, first drain pump and second drain pump are installed on the first drain pipe and the second drain pipe respectively, and first thermal relay and second thermal relay are installed between the first drain pump, the second drain pump and the secondary meter respectively, for protecting the whole circuit.

[0008] As preferred: the control circuit in the PLC controller is composed of first control circuit, second control circuit and liquid level alarm circuit, one end of the first control circuit and the second control circuit is connected to zero line, the other end of the first control circuit is connected with secondary meter, first thermal relay and first drain pump circuit respectively, the other end of the second control circuit is connected with secondary meter, second thermal relay and second drain pump circuit respectively; first water pump opening switch, water pump manual / automatic switching switch and first water pump stop switch are sequentially arranged on the first control circuit, second water pump opening switch and second water pump stop switch are sequentially arranged on the second control circuit, liquid level alarm contact switch is arranged on the liquid level alarm circuit, one end of the liquid level alarm circuit is connected with the water pump manual / automatic switching switch, the first water pump opening switch, the water pump manual / automatic switching switch, the first water pump stop switch, the second water pump opening switch, the second water pump stop switch and the liquid level alarm contact switch are controlled by the PLC controller.

[0009] As preferred: AC contactor is further arranged between the water pump manual / automatic switching switch and the first water pump stop switch.

[0010] The beneficial effects of the utility model are as follows:

[0011] The flood control pump liquid level control system of the utility model transforms the original flood control facilities, rearranges the drainage pool, separates the plant sewage drainage pool and the connecting river pool, installs liquid level meter, water pump and secondary instrument in the sewage drainage pool, collects liquid level information through the secondary instrument, realizes high liquid level drainage through the PLC controller, stops drainage at corresponding water level, the whole process is simple and reasonable in structure, efficient and safe, and stable in operation. DRAWINGS

[0012] Fig. 1 It is the whole structure schematic view of the utility model.

[0013] Fig. 2 It is the circuit structure view of the utility model. CONCRETE IMPLEMENTING METHOD

[0014] In order to make the ordinary skilled in the art more clearly understand the purpose, technical scheme and advantages of the utility model, the utility model is further described below in combination with the drawings and examples.

[0015] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms such as "upper", "lower", "left", "right", "inner", "outer", "horizontal", "vertical" is based on the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, so it cannot be understood as a limitation on the utility model.

[0016] The utility model will be described in detail in connection with the drawings: as Figs. 1-2 As shown in a kind of flood control pump liquid level control system, including factory sewage drainage pool 1 and the liquid level control system being set on factory sewage drainage pool 1, factory sewage drainage pool 1 is connected by pipeline between external river course 2, the liquid level control system is used to control the liquid level height of factory sewage drainage pool 1, the factory sewage drainage pool 1 is composed of adjacent sedimentation tank 3 and biochemical tank 4, sedimentation tank 3 and biochemical tank 4 are separated by partition 5, sedimentation tank 3 is used to collect factory sewage and is deposited, at least one drain pipe with drain pump is provided between sedimentation tank 3 and biochemical tank 4, the two ends of drain pipe are connected with sedimentation tank 3 and biochemical tank 4 respectively, the drain pump is connected with liquid level control system circuit, the liquid level of sedimentation tank 3 is analyzed by liquid level control system, controls drain pump to open or close, to ensure that sedimentation tank 3 is at normal water level height, gate valve 6 is provided on the pipeline between biochemical tank 4 and external river course 2.

[0017] The liquid level control system is composed of secondary meter 7, liquid level meter 8 and PLC controller, the liquid level meter 8 is installed on the pool wall of sedimentation tank 3, and the liquid level meter 8 is connected with one end line of secondary meter 7, and the other end of secondary meter 7 is connected with PLC control module and drain pump line on drain pipe through line respectively, and the liquid level meter 8 sends the collected liquid level information to secondary meter 7, and secondary meter 7 sends to PLC controller, and PLC controller controls drain pump on drain pipe to open or close, to control the water level height of sedimentation tank. The drain pipe is two, and is first drain pipe 9 and second drain pipe 10, first drain pump 11 and second drain pump 12 are installed on first drain pipe 9 and second drain pipe 10 respectively, and first thermal relay 13 and second thermal relay 14 are installed between first drain pump 11, second drain pump 12 and secondary meter 7 respectively, for protecting the whole line.

[0018] The control circuit in the PLC controller is composed of a first control circuit 15, a second control circuit 16 and a liquid level alarm circuit 24, one end of the first control circuit 15 and the second control circuit 16 is connected to a zero line, the other end of the first control circuit 15 is connected with a secondary meter 7, a first thermal relay 13 and a first drainage pump 11 in circuit respectively, the other end of the second control circuit 16 is connected with the secondary meter 7, a second thermal relay 14 and a second drainage pump 12 in circuit respectively; a first water pump starting switch 17, a water pump manual / automatic switching switch 18 and a first water pump stopping switch 19 are sequentially arranged on the first control circuit 15, a second water pump starting switch 20 and a second water pump stopping switch 21 are sequentially arranged on the second control circuit 16, a liquid level alarm contact switch 22 is arranged on the liquid level alarm circuit 24, one end of the liquid level alarm circuit 24 is connected with the water pump manual / automatic switching switch 18, the first water pump starting switch 17, the water pump manual / automatic switching switch 18, the first water pump stopping switch 19, the second water pump starting switch 20, the second water pump stopping switch 21 and the liquid level alarm contact switch 22 are all controlled by the PLC controller. An AC contactor 23 is further arranged between the water pump manual / automatic switching switch 18 and the first water pump stopping switch 19. The AC contactor can well turn on or turn off the power supply and can replace the automatic switch function that the manual switch cannot perform.

[0019] The flood control pump liquid level control system of the utility model can correspondingly set liquid level parameters, the drainage pump can automatically execute start-stop function through PLC control, and automatic drainage can be realized. The utility model can improve drainage efficiency, reduce manual intervention, and reduce maintenance cost.

[0020] The flood control pump liquid level control system of the utility model can correspondingly set liquid level parameters, the drainage pump can automatically execute start-stop function through PLC control, and automatic drainage can be realized. The utility model can improve drainage efficiency, reduce manual intervention, and reduce maintenance cost.

[0021] The specific embodiments described in the present application are only illustrative of the principles of the utility model and its effects, and are not used to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A flood control pump liquid level control system, comprising a factory sewage drainage pool (1) and a liquid level control system arranged on the factory sewage drainage pool (1), the factory sewage drainage pool (1) is connected with an external river (2) through a pipeline, and the liquid level control system is used for controlling the liquid level height of the factory sewage drainage pool (1), characterized in that: The plant sewage drainage pool (1) is composed of adjacent sedimentation tank (3) and biochemical tank (4), the sedimentation tank (3) and biochemical tank (4) are separated by partition (5), the sedimentation tank (3) is used for collecting the sewage in the plant for sedimentation, at least one drainage pipeline with drainage pump is arranged between the sedimentation tank (3) and the biochemical tank (4), the two ends of the drainage pipeline are respectively connected with the sedimentation tank (3) and the biochemical tank (4), the drainage pump is connected with the liquid level control system circuit, the liquid level control system is used for analyzing the liquid level of the sedimentation tank (3), the drainage pump is controlled to open or close, so that the sedimentation tank (3) is kept at normal water level, the gate valve (6) is arranged on the pipeline between the biochemical tank (4) and the external river (2). ​ 2. The flood control pump liquid level control system of claim 1, wherein: The liquid level control system is composed of secondary meter (7), liquid level meter (8) and PLC controller, the liquid level meter (8) is installed on the pool wall of the sedimentation tank (3), the liquid level meter (8) is connected with one end of the secondary meter (7) through line, the other end of the secondary meter (7) is connected with the PLC control module and the drainage pump on the drainage pipeline through line respectively, the liquid level meter (8) sends the collected liquid level information to the secondary meter (7), the secondary meter (7) sends to the PLC controller, the PLC controller controls the drainage pump on the drainage pipeline to open or close, so as to control the water level of the sedimentation tank.

3. The flood control pump fluid level control system of claim 2, wherein: The drainage pipeline is two, which are first drainage pipeline (9) and second drainage pipeline (10), first drainage pump (11) and second drainage pump (12) are respectively installed on the first drainage pipeline (9) and second drainage pipeline (10), and first thermal relay (13) and second thermal relay (14) are respectively installed between the first drainage pump (11), second drainage pump (12) and secondary meter (7), which are used for protecting the whole circuit.

4. The flood control pump liquid level control system of claim 2 or 3, wherein: The control circuit in the PLC controller is composed of a first control circuit (15), a second control circuit (16) and a liquid level alarm circuit (24), one end of the first control circuit (15) and the second control circuit (16) is connected to a zero line, the other end of the first control circuit (15) is connected to a secondary meter (7), a first thermal relay (13) and a first drainage pump (11) respectively, the other end of the second control circuit (16) is connected to the secondary meter (7), a second thermal relay (14) and a second drainage pump (12) respectively; a first water pump starting switch (17), a water pump manual / automatic switching switch (18) and a first water pump stopping switch (19) are sequentially arranged on the first control circuit (15), a second water pump starting switch (20) and a second water pump stopping switch (21) are sequentially arranged on the second control circuit (16), a liquid level alarm contact switch (22) is arranged on the liquid level alarm circuit (24), one end of the liquid level alarm circuit (24) is connected to the water pump manual / automatic switching switch (18), and the first water pump starting switch (17), the water pump manual / automatic switching switch (18), the first water pump stopping switch (19), the second water pump starting switch (20), the second water pump stopping switch (21) and the liquid level alarm contact switch (22) are all controlled by the PLC controller.

5. The flood control pump fluid level control system of claim 4, wherein: An AC contactor (23) is further arranged between the water pump manual / automatic switching switch (18) and the first water pump stopping switch (19).