Overflow collection and drainage structure for a membrane cell of a water plant

Abstract

The utility model discloses a kind of overflow collection drainage structure for water plant membrane pool, more specifically, water treatment facility safety protection technical field, including membrane pool mechanism, the side of the membrane pool mechanism is provided with water inlet mechanism, the other side of the membrane pool mechanism is provided with drainage mechanism, characterized by: the side of the membrane pool mechanism is below water inlet mechanism and is provided with cleaning drainage mechanism.Overflow collection drainage structure for water plant membrane pool described in the utility model, by setting overflow hole one, overflow hole two and overflow pipe and overflow discharge pipe located on the same horizontal line, multiple membrane pool units between overflow water horizontal flow and concentrated discharge are realized, in combination with liquid level monitoring mechanism real-time monitoring water level, once water level is abnormal, overflow discharge can be started, avoid the response delay or false alarm problem caused by traditional design in dependence on single alarm system, solve the safety hidden danger of equipment between submergence, electrical short circuit etc. caused by overflow.

Description

Technical Field

[0001] This utility model relates to the field of safety protection technology for water treatment facilities, and in particular to an overflow collection and diversion structure for membrane tanks in water plants. Background Technology

[0002] As a core structure in the water treatment process, the membrane tank in a water treatment plant directly affects the safety and reliability of the entire system. In actual operation, abnormal water level rises often occur due to backwashing, gate malfunctions, or level control system failures. Without an effective overflow system, water can easily overflow, flooding critical areas such as equipment rooms and electrical distribution rooms, causing short circuits in electrical equipment, corrosion of mechanical equipment, and even system failure, severely impacting the normal operation of the water plant. The existing technology addresses the following problems: Traditional membrane tank designs often fail to adequately consider overflow protection measures or rely solely on level alarm systems for early warning. However, single level alarms carry risks such as response delays, false alarms, or missed alarms, and cannot fundamentally solve the overflow discharge problem. Although some water plants have overflow outlets, they are mostly independently set up and do not form a systematic collection and diversion structure, resulting in low overflow efficiency, easy local water accumulation, and still posing safety hazards. Utility Model Content

[0003] The main purpose of this invention is to provide an overflow collection and diversion structure for membrane tanks in water plants, which can effectively solve the problem of response delay or false alarm caused by relying on a single alarm system in traditional designs.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: An overflow collection and diversion structure for a membrane tank in a water plant includes a membrane tank mechanism. One side of the membrane tank mechanism has an inlet mechanism, and the other side has a drain mechanism. A cleaning and draining mechanism is located below the inlet mechanism on one side of the membrane tank mechanism, and an air flushing mechanism is located below the drain mechanism on the other side of the membrane tank mechanism. A backflushing mechanism is located on one side of the drain mechanism. The membrane tank mechanism includes several partition walls with several through holes extending laterally. Membrane tank bodies are fixedly installed on both sides of the partition walls. Several overflow holes (I) penetrating the inner cavity are opened on the opposite surfaces of the membrane tank bodies on both sides of the partition walls. The overflow holes (I) are laterally connected to the through holes in the partition walls. Several overflow holes (II) penetrating the inner cavity are opened on the opposite surfaces of the membrane tank bodies between two partition walls. The overflow holes (II) are on the same horizontal line as the overflow holes (I). A liquid level monitoring mechanism is fixedly installed on the front inner wall of each of the membrane tank bodies.

[0005] Preferably, the liquid level monitoring mechanism is a capacitive liquid level gauge.

[0006] Preferably, the right side of the rightmost one of the membrane tank bodies is fixedly connected to a plurality of overflow pipes that penetrate its inner cavity, and the overflow pipes are on the same horizontal line as overflow hole one and overflow hole two, and the other end of the plurality of overflow pipes is fixedly connected to an overflow discharge pipe.

[0007] Preferably, the cleaning and drainage mechanism includes a sewage collection pipe, and a plurality of sewage pipes are fixedly connected to the outer wall of the sewage collection pipe. The other ends of the plurality of sewage pipes are respectively connected to the bottom of the inner cavity of a plurality of membrane tank bodies. Each of the plurality of sewage pipes is provided with an electrically controlled valve. The front end of the overflow discharge pipe is fixedly connected to the sewage collection pipe.

[0008] Preferably, the water inlet mechanism includes a water inlet pipe, the left end of which is connected to a water supply pipe, and a plurality of water inlet connecting pipes are fixedly connected to the rear side of the water inlet pipe. The rear ends of the plurality of water inlet connecting pipes are respectively connected to the inner cavity of a plurality of membrane tank bodies, and each of the plurality of water inlet connecting pipes is provided with an electrically controlled valve II on its outer wall.

[0009] Preferably, the drainage mechanism includes a clean water collection pipe, a clean water tank connecting pipe fixedly connected to the rear end of the clean water collection pipe, a clean water tank connecting pipe connected to the other end of the clean water tank connecting pipe, and a plurality of water conveying pipes fixedly connected to the front end of the clean water collection pipe, the other ends of the plurality of water conveying pipes respectively penetrating to the bottom of the inner cavity of a plurality of membrane tank bodies.

[0010] Preferably, a vacuum valve is provided on the outer wall of one of the water supply pipes near the membrane tank body, and an electrically controlled valve is provided on the outer wall of the other of the water collection pipes.

[0011] Preferably, the backflushing mechanism includes a flushing water pump, the input end of which is fixedly connected to a clean water collection pipe, the output end of which is fixedly connected to a water flushing pipe, and a plurality of water flushing connecting pipes are uniformly fixedly connected to the top of the water flushing pipe. The other ends of the plurality of water flushing connecting pipes are respectively fixedly connected to a plurality of water supply pipes, and the connection is located between the electric control valve three and the vacuum valve. The outer wall of the plurality of water flushing connecting pipes is provided with an electric control valve four.

[0012] Preferably, the air-flushing mechanism includes a blower, the output end of which is fixedly connected to an air-flushing pipe, the front end of which is fixedly connected to a plurality of air-flushing connecting pipes, the other ends of which are respectively connected to the bottom of the inner cavity of a plurality of membrane tank bodies, and each of the plurality of air-flushing connecting pipes is provided with an electrically controlled valve.

[0013] Compared with the prior art, the present invention has the following beneficial effects: This utility model provides an overflow collection and diversion structure for membrane tanks in water plants. By setting overflow hole one, overflow hole two, overflow pipe and overflow discharge pipe on the same horizontal line, the horizontal flow and centralized discharge of overflow water between multiple membrane tank units are realized. Combined with the liquid level monitoring mechanism to monitor the water level in real time, the overflow discharge can be activated once the water level is abnormal. This avoids the response delay or false alarm problems caused by relying on a single alarm system in traditional designs, and solves the safety hazards such as equipment flooding and electrical short circuits caused by overflow. This utility model provides an overflow collection and diversion structure for membrane tanks in water plants. Through the coordinated design of the cleaning and drainage mechanism, backwashing mechanism, and air flushing mechanism, combined with the precise control of the electric control valve, the automated operation of sewage discharge, water flushing and backwashing, and pneumatic flushing is realized. The overflow discharge pipe is connected to the sewage collection pipe, which further realizes the combined treatment of overflow water and sewage, improves the overall efficiency and resource utilization of the system, and extends the service life of the membrane module. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the membrane tank mechanism of this utility model; Figure 3 This is a schematic diagram of the water inlet mechanism and the cleaning and drainage mechanism of this utility model; Figure 4 This is a schematic diagram of the drainage mechanism and backflushing mechanism of this utility model; Figure 5 This is a schematic diagram of the air-impact mechanism of this utility model.

[0015] In the diagram: 1. Membrane tank mechanism; 11. Membrane tank body; 111. Overflow pipe; 112. Overflow discharge pipe; 12. Partition wall panel; 13. Overflow hole one; 14. Overflow hole two; 15. Liquid level monitoring mechanism; 2. Water inlet mechanism; 21. Water inlet pipe; 22. Water inlet connecting pipe; 23. Electrically controlled valve two; 3. Drainage mechanism; 31. Clean water central pipe; 32. Water delivery pipe; 33. Vacuum valve; 34. Electrically controlled valve three; 35. Clean water tank connecting pipe; 4. Cleaning and drainage mechanism; 41. Sewage central pipe; 42. Sewage pipe; 43. Electrically controlled valve one; 5. Backflushing mechanism; 51. Flushing water pump; 52. Water flushing pipe; 53. Water flushing connecting pipe; 54. Electrically controlled valve four; 6. Air flushing mechanism; 61. Blower; 62. Air flushing pipe; 63. Air flushing connecting pipe; 64. Electrically controlled valve five. Detailed Implementation

[0016] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0017] like Figure 1 , Figure 2 , Figure 3 As shown, an overflow collection and diversion structure for a membrane tank in a water plant includes a membrane tank mechanism 1, an inlet mechanism 2, a drainage mechanism 3, a cleaning and drainage mechanism 4, a backflushing mechanism 5, and an air flushing mechanism 6. The membrane tank mechanism 1 is composed of several membrane tank bodies 11 connected by partition walls 12. Each partition wall 12 has a through hole extending from left to right. Adjacent membrane tank bodies 11 are connected by partition walls 12, and corresponding overflow holes 13 and 14 are respectively opened on opposite surfaces. These overflow holes are located at the same horizontal level to allow for lateral flow of overflow water when the liquid level is abnormal. A liquid level monitoring mechanism 15, preferably a capacitive liquid level gauge, is installed on the inner front wall of each membrane tank body 11 to monitor the water level in the membrane tank in real time. When the water level exceeds a set threshold, the system can automatically or manually start the overflow discharge procedure. On the right side wall of the rightmost membrane tank body 11, a connection is made to... There are several overflow pipes 111, which are located on the same horizontal line as the overflow hole 13 and overflow hole 14 inside the membrane tank. All overflow pipes 111 are connected to an overflow discharge pipe 112 to lead the overflow water out of the membrane tank system. The cleaning and drainage mechanism 4 includes a sewage collection pipe 41, which is connected to several sewage pipes 42. Each sewage pipe 42 is connected to the bottom of the corresponding membrane tank body 11 to discharge cleaning wastewater or sediment. Each sewage pipe 42 is equipped with an electric control valve 43 to control the sewage discharge process. The front end of the overflow discharge pipe 112 is connected to the sewage collection pipe 41 to realize the combined discharge of overflow water and sewage. The water inlet mechanism 2 includes a water inlet pipe 21, which is connected to the external water supply system on the left end and several water inlet connection pipes 22 on the right side. Each water inlet connection pipe 22 leads to a membrane tank body 11 and is equipped with an electric control valve 23 to control the water inlet flow rate.

[0018] like Figure 4 As shown, the drainage mechanism 3 includes a clean water central pipe 31, the rear end of which is connected to the clean water tank via a clean water tank connecting pipe 35, and the front end is connected to several water delivery pipes 32. Each water delivery pipe 32 leads to the bottom of a membrane tank body 11. Each water delivery pipe 32 is equipped with a vacuum valve 33 and an electrically controlled valve 34, which are used to prevent siphoning and control drainage, respectively. The backwash mechanism 5 includes a flushing water pump 51, the inlet of which is connected to the clean water central pipe 31, and the outlet is connected to a water flushing pipe 52. Several water flushing connecting pipes 53 are branched off from the water flushing pipe 52. Each one is connected to the corresponding water delivery pipe 32 at a position between the electrically controlled valve 34 and the vacuum valve 33. Each water flushing connecting pipe 53 is equipped with an electrically controlled valve 4 54, which is used to control the backwashing water flow.

[0019] like Figure 5As shown, the air-flushing mechanism 6 includes a blower 61, the outlet of which is connected to an air-flushing pipe 62. Several air-flushing connecting pipes 63 branch off from the air-flushing pipe 62, each leading to the bottom of a membrane tank body 11. Each air-flushing connecting pipe 63 is equipped with an electrically controlled valve 64, which is used to control the airflow intensity and air-flushing time. Electrically controlled valve 43 is open in cleaning mode, and electrically controlled valve 34 is open in drainage mode. Electrically controlled valve 54 and electrically controlled valve 64 are controlled by the flushing water pump 51 and the blower 61 respectively in backflushing and air-flushing modes. The backflushing mechanism 5 and the air-flushing mechanism 6 can operate alternately or simultaneously. Water-air mixed flushing can effectively remove contaminants from the membrane surface and improve cleaning efficiency.

[0020] The working principle of the overflow collection and diversion structure used in the membrane tank of the water plant will be explained in detail below.

[0021] like Figure 1-5 As shown, when the water level in the membrane tank rises due to backwashing, abnormal water intake, or control system failure, the level monitoring mechanism 15 detects a high water level signal. The system can automatically or manually start overflow discharge. The overflow water flows laterally between adjacent membrane tanks through overflow hole 13 and overflow hole 24, and finally flows into overflow discharge pipe 112 through the rightmost overflow pipe 111 and enters the sewage collection pipe 41 to be discharged from the system. During cleaning, the electric control valve 1 43 is opened, and sewage is discharged into the sewage collection pipe 41 through the sewage pipe 42. During backwashing, the electric control valve 3 34 is closed, and the electric control valve 4 54 is opened. The flushing water pump 51 pumps clean water into the water flushing pipe 52 and backwashes the membrane tank through the water flushing connection pipe 53. During air flushing, the electric control valve 5 64 is opened, and the blower 61 provides airflow to pneumatically flush the bottom of the membrane tank through the air flushing connection pipe 63, enhancing the cleaning effect.

[0022] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An overflow collection and diversion structure for a membrane tank in a water plant, comprising a membrane tank mechanism (1), wherein an inlet mechanism (2) is provided on one side of the membrane tank mechanism (1), and a drain mechanism (3) is provided on the other side of the membrane tank mechanism (1), characterized in that: The membrane tank mechanism (1) has a cleaning and drainage mechanism (4) located below the water inlet mechanism (2) on one side, and an air flushing mechanism (6) located below the drainage mechanism (3) on the other side. A backflushing mechanism (5) is provided on one side of the drainage mechanism (3). The membrane tank mechanism (1) includes several partition wall plates (12). Each partition wall plate (12) has several through holes extending from left to right. A membrane tank body (11) is fixedly installed on both the left and right sides of each partition wall plate (12). Several overflow holes (13) penetrating the inner cavity are provided on the opposite surfaces of the membrane tank bodies (11) on both sides of the plate (12). The overflow holes (13) are connected to the through holes opened in the partition wall plate (12) from left to right. Several overflow holes (14) penetrating the inner cavity are provided on the opposite surfaces of the membrane tank bodies (11) between the two partition wall plates (12). The overflow holes (14) are on the same horizontal line as the overflow holes (13). Liquid level monitoring mechanisms (15) are fixedly installed on the front side of the inner wall of several membrane tank bodies (11).

2. The overflow collection and diversion structure for a membrane tank in a water plant according to claim 1, characterized in that: The liquid level monitoring mechanism (15) is a capacitive liquid level gauge.

3. A spillway collection and drainage structure for a membrane basin of a water treatment plant according to claim 1, characterised in that: Several overflow pipes (111) are fixedly connected to the right side of the rightmost one of the membrane tank bodies (11), and the overflow pipes (111) are on the same horizontal line as the first overflow hole (13) and the second overflow hole (14). The other end of the several overflow pipes (111) is fixedly connected to an overflow discharge pipe (112).

4. A spillway collection and drainage structure for a membrane basin of a water treatment plant according to claim 3, characterised in that: The cleaning and drainage mechanism (4) includes a sewage collection pipe (41), and a number of sewage pipes (42) are fixedly connected to the outer wall of the sewage collection pipe (41). The other ends of the sewage pipes (42) are respectively connected to the bottom of the inner cavity of a number of membrane tank bodies (11). An electric control valve (43) is provided on the outer wall of each of the sewage pipes (42). The front end of the overflow discharge pipe (112) is fixedly connected to the sewage collection pipe (41).

5. A spillway collection and drainage structure for a membrane basin of a water treatment plant according to claim 1, characterised in that: The water inlet mechanism (2) includes a water inlet pipe (21), the left end of which is connected to a water supply pipe, and a number of water inlet connecting pipes (22) are fixedly connected to the rear side of the water inlet pipe (21). The rear ends of the number of water inlet connecting pipes (22) are respectively connected to the inner cavity of a number of membrane tank bodies (11), and an electric control valve (23) is provided on the outer wall of each of the number of water inlet connecting pipes (22).

6. The overflow collection and diversion structure for a membrane tank in a water plant according to claim 1, characterized in that: The drainage mechanism (3) includes a clear water central pipe (31), the rear end of which is fixedly connected to a clear water pool connecting pipe (35), the other end of which is connected to a clear water pool, and the front end of which is fixedly connected to several water delivery pipes (32), the other ends of which are respectively connected to the bottom of the inner cavity of several membrane pool bodies (11).

7. An overflow collection and drainage structure for a membrane basin of a water treatment plant according to claim 6, characterised in that: Vacuum valves (33) are provided on the outer wall of several water supply pipes (32) near the membrane tank body (11), and electric control valves (34) are provided on the outer wall of several water supply pipes (32) near the clear water collection pipe (31).

8. The overflow collection and diversion structure for a membrane tank in a water plant according to claim 7, characterized in that: The backwash mechanism (5) includes a flushing water pump (51), the input end of which is fixedly connected to a clean water collection pipe (31), the output end of which is fixedly connected to a water flushing pipe (52), and a number of water flushing connecting pipes (53) are evenly fixedly connected to the top of the water flushing pipe (52). The other ends of the number of water flushing connecting pipes (53) are respectively fixedly connected to a number of water supply pipes (32), and the connection is located between the electric control valve three (34) and the vacuum valve (33). The outer walls of the number of water flushing connecting pipes (53) are all provided with electric control valve four (54).

9. The overflow collection and diversion structure for a membrane tank in a water plant according to claim 1, characterized in that: The air-punching mechanism (6) includes a blower (61), the output end of which is fixedly connected to an air-punching pipe (62), the front end of which is fixedly connected to a plurality of air-punching connecting pipes (63), the other ends of which are respectively connected to the bottom of the inner cavity of a plurality of membrane tank bodies (11), and each of the plurality of air-punching connecting pipes (63) is provided with an electric control valve (64) on its outer wall.

Images