Filter cloth flux efficient recovery device

Abstract

The utility model provides an efficient filter cloth flux recovery device, which belongs to the technical field of sewage treatment equipment and comprises a plurality of backwashing filters arranged on the side wall of an integrated fiber turntable filter tank, a pump pit arranged on the other side wall of the integrated fiber turntable filter tank, and a suction pipeline arranged at the bottom of each backwashing filter. The suction pipelines are communicated with the pump pit, each suction pipeline penetrates through the side wall of the pump pit and is provided with a parallel pipeline, a U-shaped connecting piece is arranged between the parallel pipelines, and a flushing pump is arranged on one side, far away from the suction pipelines, of the U-shaped connecting piece. Clear water enters the suction pipeline through the parallel pipelines to carry out backwashing on the backwashing filter, so that dirt blocked in the backwashing filter is removed, and the filter cloth can be washed, so that blocked particles accumulated on the filter cloth can drift away, and the backwashing filter can be conveniently used for adsorption and cleaning subsequently; therefore, the working efficiency of the backwashing filter is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment equipment technical field, concretely relates to a kind of filter cloth flux high-efficiency recovery device. BACKGROUND

[0002] Sewage treatment: for sewage to reach the water quality requirement of discharge into a water body or reuse, it is purified, sewage treatment is widely used in construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering and each field, also more and more into the daily life of ordinary people, among them, fiber rotary disc filter is the masterpiece of sewage treatment era, operating cost is low, effluent quality is good and stable, and very small footprint.

[0003] In the related art, in the working process of fiber rotary disc filter, suspended solids on the surface of filter cloth gradually accumulate, the filter cloth filtration resistance increases, the filtration speed gradually decreases, and the water level of the filter body gradually rises. When the water level rises to the predetermined water level, the liquid level sensor senses the change in the liquid level and controls the backwashing filter through the PLC device to perform backwashing: first, ultrasonic cleaning is performed, and then the backwashing filter is used for flushing. The backwashing suction cup is fixed, the motor drives the central shaft to rotate through the chain, the filter disc fixed on the central shaft rotates together, the backwashing filter negative pressure suction surface of filter cloth, suction of accumulated sludge particles on filter cloth, water in filter disc is simultaneously sucked from inside to outside, and has a cleaning effect on filter cloth. One backwashing state lasts for filter disc-electromagnetic valve minutes, and the filter cloth can be cleaned. The sucked mud and water are discharged outside the pool by the backwashing pump.

[0004] However, when the filter disc is negative pressure suctioned on the surface of the filter cloth through the backwashing filter, the suction cup on the backwashing filter may be blocked by dirt. If the blockage on the suction cup is not cleaned in time, the suction efficiency of the backwashing filter will be reduced, thereby reducing the water filtration quality of the filter cloth. To solve the above problems, a filter cloth flux high-efficiency recovery device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a kind of filter cloth flux high-efficiency recovery device, and the utility model makes clear water pressurization by flushing pump, and clear water enters suction pipeline by parallel pipeline to backwash in backwashing filter, so as to remove the dirt blockage in backwashing filter. The filter cloth can also be flushed, so that the particles accumulated on the filter cloth can be dispersed, facilitating subsequent adsorption and cleaning using the backwashing filter, thereby improving the working efficiency of the backwashing filter and improving the water filtration quality of the filter cloth.

[0006] To solve the above technical problems, the utility model provides a kind of filter cloth flux high-efficiency recovery device, including the multiple backwash filters of the side wall of integrated fiber carousel filter tank, the pump pit of the other side wall of integrated fiber carousel filter tank, the bottom of each backwash filter is provided with one suction duct, suction duct is communicated with pump pit, each suction duct passes through pump pit side wall and is provided with one first electric valve, the end of each pair of first electric valve far from suction duct is provided with one parallel pipe, the side of each parallel pipe far from suction duct is provided with one backwash pump, parallel pipe is provided with U type connecting piece between, the side of U type connecting piece far from suction duct is provided with flush pump.

[0007] U type connecting piece includes two branch pipes and one main pipe, one end of each branch pipe is communicated with parallel pipe on its same side, branch pipe is used to make two parallel pipes and main pipe be communicated, main pipe is used to make flush pipe and two parallel pipes be communicated, the other end of each branch pipe is communicated with main pipe.

[0008] Second electric valve is provided on each branch pipe, each second electric valve can control the on-off between its same side parallel pipe and flush pump, flush pipe is provided at the end of main pipe far from suction duct, flush pipe is used to flow clean water after pressurization by flush pump, flush pump is provided at the end of flush pipe far from suction duct, flush pump is used to pressurize clean water, so that backflush is carried out on the suction cup of backwash filter, water inlet end of flush pump is provided with water supply pipe, water supply pipe is used to provide clean water source for flush pump.

[0009] Cleaning pipe is provided between each backwash pump and its same side parallel pipe, cleaning pipe is used to make backwash pump suck dirt on filter cloth through backwash filter, third electric valve is provided on each cleaning pipe, third electric valve is used to control the on-off of cleaning pipe, third electric valve is also used to prevent clean water discharged by flush pump from entering backwash pump, so as to prevent water from being mixed, pump group support is provided at the bottom of each backwash pump, pump group support is used to support and fix backwash pump, backwash discharge pipe is communicated between drain end of backwash pump, backwash discharge pipe is used to discharge dirt on filter cloth sucked by suction cup on backwash filter.

[0010] Parallel pipe on one side is provided with exhaust pipe at the end, exhaust pipe is used to install exhaust valve, exhaust valve is provided at the gas outlet end of exhaust pipe, exhaust valve is used to discharge excess air accumulated in pipe, to ensure normal operation of pipe and prolong service life, parallel pipe on the other side is provided with blowdown pipe at the end, blowdown valve is provided at the water outlet end of blowdown pipe, blowdown valve is used to discharge sludge, silt and other sundries in pipe, which can be used for regular cleaning, to ensure normal operation of pipe and prolong service life, blowdown valve is provided with drainage channel at the bottom.

[0011] Each first electric valve is provided with a sealing pipe near the same side suction pipe, the sealing pipe is used for preventing water from seeping at the connection between the suction pipe and the first electric valve through the pump pit, thereby protecting the pump pit, and the sealing pipe is embedded in the side wall of the pump pit.

[0012] Compared with the prior art, the application has at least one of the following beneficial technical effects:

[0013] 1. The flushing pump is started to pressurize clean water, the clean water enters the parallel pipeline through the flushing pipeline, and the parallel pipeline enters the suction pipeline to backwash the silt or dirt blocking the adsorption nozzle in the backwashing filter, so that the dirt blocking the backwashing filter is removed, the filter cloth can also be flushed, so that the particles accumulated on the filter cloth can be dispersed, the subsequent use of the backwashing filter for adsorption and cleaning is facilitated, the working efficiency of the backwashing filter is improved, and the water filtering quality of the filter cloth is improved.

[0014] 2. The exhaust valve is used for discharging the excess air accumulated in the pipeline, ensuring normal operation of the pipeline and prolonging the service life, and the blowdown valve is used for discharging the sludge, silt and other sundries in the pipeline and can be used for regular cleaning, thereby ensuring normal operation of the pipeline and prolonging the service life.

[0015] 3. The third electric valve is used for controlling the on-off of the cleaning pipeline, and is also used for preventing the clean water discharged by the flushing pump from entering the backwashing pump, thereby preventing water from being mixed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a top view structural schematic diagram of the utility model;

[0017] Figure 2 It is a top view sectional view of the utility model;

[0018] Figure 3 It is a side view sectional view of the utility model;

[0019] Figure 4 It is a rear view sectional view of the utility model.

[0020] BRIEF DESCRIPTION OF DRAWINGS: 100, integrated fiber rotating disc filter tank; 101, backwashing filter; 102, pump pit; 103, suction pipe; 104, first electric valve; 105, sealing pipe; 200, exhaust pipe; 201, blowdown pipe; 202, exhaust valve; 203, blowdown valve; 300, parallel pipeline; 301, water supply pipeline; 302, U-shaped connecting piece; 303, flushing pump; 304, branch pipe; 305, main pipe; 306, second electric valve; 307, flushing pipeline; 400, cleaning pipeline; 401, third electric valve; 402, pump group support; 403, backwashing pump; 404, drainage channel; 405, backwashing discharge pipe. DETAILED DESCRIPTION

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the accompanying drawings of the embodiments of this utility model. Figures 1-4 The technical solutions of the embodiments of this utility model are clearly and completely described below. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.

[0022] like Figures 1-4 As shown: This embodiment provides a high-efficiency filter cloth flux recovery device, including multiple backwash filters 101 disposed on the side wall of an integrated fiber disc filter 100. Each backwash filter 101 includes an adsorption chamber for double-sided adsorption of the filter cloth, with several adsorption nozzles on the chamber. A backwash support is disposed at the top of the adsorption chamber and fixed to the filter wall. A pair of connecting hoses are disposed at the bottom of the adsorption chamber, and every four connecting hoses are connected to a suction pipe 103 via a connector. The other side wall of the integrated fiber disc filter 100... The pump pit 102 is configured such that each backwash filter 101 has a suction pipe 103 at its bottom, which is connected to the pump pit 102. Each suction pipe 103 has a first electric valve 104 installed through the side wall of the pump pit 102. The end of the first electric valve 104 facing the suction pipe has an extension pipe, which is welded to the suction pipe 103. A sealing pipe 105 seals the outer surface of the connection. Each pair of first electric valves 104 has a parallel pipe installed at the end away from the suction pipe 103. Parallel pipes 300 are used to connect multiple suction pipes 103 on the same side to the first electric valve 104. Parallel pipes 300 connect every two sets of suction pipes 103 to prevent overloading when the backwash pump 403 is suctioning dirt, thus extending the service life of the equipment. Each parallel pipe 300 has a backwash pump 403 on the side furthest from the suction pipe 103. The backwash pump 403 drives the backwash filter 101 to adsorb dirt from the filter cloth. U-shaped connectors are provided between the parallel pipes 300. 302, the U-shaped connector 302 is used to connect two parallel pipes 300 together and connect them to the flushing pump 303. The flushing pump 303 is provided on the side of the U-shaped connector 302 away from the suction pipe 103. The flushing pump 303 is used to flush the adsorption nozzle in the backwash filter 101 from the inside to the outside, thereby removing the dirt that clogs the backwash filter 101. It can also flush the filter cloth, so that the particles that are clogged on the filter cloth can be dispersed, making it convenient to use the backwash filter 101 for adsorption and cleaning in the future.

[0023] In use, the flushing pump 303 is started to pressurize the clean water, the clean water enters the parallel pipeline 300 through the flushing pipeline 307, is distributed into the suction pipeline 103 connected thereto by the parallel pipeline 300, is distributed into the backwashing filter 101 connected thereto through the suction pipeline 103, thereby backwashing the silt or dirt clogging in the backwashing filter 101, removing the clogging dirt in the backwashing filter 101, and also flushing the filter cloth, so that the particles clogging on the filter cloth can be dispersed, facilitating subsequent adsorption and cleaning by the backwashing filter 101.

[0024] The embodiment provides a filter cloth flux efficient recovery device,

[0025] As shown in Figure 1 , 2 : the U-shaped connecting piece 302 includes two branch pipes 304 and a main pipe 305, one end of each of the branch pipes 304 is welded in communication with the parallel pipeline 300 on the same side, the branch pipe 304 is used for connecting the two parallel pipelines 300 with the main pipe 305, and the main pipe 305 is used for connecting the flushing pipeline 307 with the two parallel pipelines 300, and the other end of each of the branch pipes 304 is welded in communication with the main pipe 305.

[0026] The effect is that the branch pipe 304 is in communication with the main pipe 305 to form a U-shaped pipe, so that the flushing pipeline 307 can supply water to the parallel pipeline 300 simultaneously or individually, thereby improving the use efficiency of the equipment.

[0027] As shown in Figure 1 , 2 , 3, 4: a second electric valve 306 is arranged on each of the branch pipes 304, the second electric valve 306 is in sealing connection with the branch pipe 304 through a flange, each of the second electric valves 306 can control the on-off between the parallel pipeline 300 on the same side and the flushing pump 303, one end of the main pipe 305 away from the suction pipeline 103 is provided with the flushing pipeline 307, the flushing pipeline 307 is welded in connection with the main pipe 305 through a tee pipe piece, a pipeline support can be additionally arranged at the bottom of the flushing pipeline 307, the flushing pipeline 307 is used for flowing the clean water pressurized by the flushing pump 303, one end of the flushing pipeline 307 away from the suction pipeline 103 is provided with the flushing pump 303, the bottom of the flushing pump 303 is provided with a pump group support 402, the flushing pump 303 is fixed to the bottom of the pump pit 102 through the pump group support 402, the flushing pump 303 is used for pressurizing the clean water, thereby backwashing the suction disc on the backwashing filter 101, the water inlet end of the flushing pump 303 is provided with a water supply pipeline 301, the water supply pipeline 301 is in communication with the water source end of the clean water, and the water supply pipeline 301 is used for providing the clean water source for the flushing pump 303.

[0028] Its effect is: flushing pipeline 307 for the flow through the flushing pump 303 pressurized clean water, so that the backwash filter 101 on the suction disc clogged with silt backwash.

[0029] As Figure 1 , 2 , 3, 4 shows: each backwash pump 403 with its same side of the parallel pipeline 300 is provided with a cleaning pipeline 400, one end of the cleaning pipeline 400 is sealed with the backwash pump 403 through the flange connection, the other end of the cleaning pipeline 400 is welded with the parallel pipeline 300, the bottom of the cleaning pipeline 400 can be provided with a pipeline support, the cleaning pipeline 400 is used for the backwash pump 403 to suck the dirt on the filter cloth through the backwash filter 101, a third electric valve 401 is arranged on each cleaning pipeline 400, the third electric valve 401 is sealed with the cleaning pipeline 400 through the flange connection, a check valve can be added between the third electric valve 401 and the backwash pump 403, a pump group support 402 is arranged at the bottom of each backwash pump 403, the pump group support 402 is fixed with the backwash pump 403 through the bolt connection, the pump group support 402 is used to support the backwash pump 403, a backwash discharge pipe 405 is arranged between the drain end of the backwash pump 403, the backwash discharge pipe 405 is sealed with the water outlet of the backwash pump 403 through the flange, the backwash discharge pipe 405 is used to discharge the dirt on the filter cloth sucked by the suction disc on the backwash filter 101.

[0030] Its effect is: the third electric valve 401 is used to control the on-off of the cleaning pipeline 400, and the third electric valve 401 is also used to prevent the clean water discharged by the flushing pump 303 from entering the backwash pump 403, so as to prevent water from being mixed.

[0031] As Figure 1 , 2 , 4 shows: one side of the parallel pipeline 300 is provided with an exhaust pipe 200 at the end, the exhaust pipe 200 is welded with the parallel pipeline 300, the exhaust pipe 200 is used to install the exhaust valve 202, the exhaust valve 202 is arranged at the gas outlet end of the exhaust pipe 200, the exhaust valve 202 is fixed with the exhaust pipe 200 through the thread connection, the exhaust valve 202 is used to discharge the excess air accumulated in the pipeline, to ensure the normal operation of the pipeline and prolong the service life, the other side of the parallel pipeline 300 is provided with a blowdown pipe 201 at the end, the blowdown pipe 201 is welded with the parallel pipeline 300, the blowdown valve 203 is arranged at the water outlet end of the blowdown pipe 201, the blowdown valve 203 is fixed with the blowdown pipe 201 through the flange, the blowdown valve 203 is provided with a drainage channel 404 at the bottom, the drainage channel 404 is arranged at the bottom of the pump pit 102, and a drain pipe can be added at the drainage end of the drainage channel 404.

[0032] The effect is that the exhaust valve 202 is used for discharging the excess air accumulated in the pipeline, ensuring the normal operation of the pipeline and prolonging the service life, and the blowdown valve 203 is used for discharging the sludge, silt and other sundries in the pipeline and can be used for periodic cleaning, thereby ensuring the normal operation of the pipeline and prolonging the service life.

[0033] As shown in Figure 1 , 2 , 3: each first electric valve 104 is provided with a sealing pipe 105 near the same side suction pipeline 103, the sealing pipe 105 is circular, the sealing pipe 105 can adopt a circular polyvinyl pipe cylinder, the sealing pipe 105 is filled with asbestos cement outside, and after sealing, the sealing pipe 105 is filled and coated by polyurethane foaming agent, the sealing pipe 105 is used for preventing water seepage at the connection between the suction pipeline 103 and the first electric valve 104 through the pump pit 102, thereby protecting the pump pit 102, and the sealing pipe 105 is embedded in the side wall of the pump pit 102.

[0034] The effect is that the sealing pipe 105 is used for preventing water seepage at the connection between the suction pipeline 103 and the first electric valve 104 through the pump pit 102, thereby protecting the equipment in the pump pit 102.

[0035] Working principle: the flushing pump 303 is started to pressurize clean water, the first electric valve 104 and the second electric valve 306 are opened, the third electric valve 401 is closed, the clean water enters the parallel pipeline 300 through the flushing pipeline 307, is distributed into the suction pipeline 103 connected with the parallel pipeline 300 by the parallel pipeline 300, and is distributed into the backwashing filter 101 connected with the suction pipeline 103, so that the backwashing filter 101 is backwashed to remove the silt or dirt blocked in the backwashing filter 101, and the filter cloth can also be flushed, so that the particles accumulated on the filter cloth can be dispersed, and the subsequent adsorption cleaning by the backwashing filter 101 is facilitated.

[0036] In addition, it should be noted that, in the description of the present application, unless otherwise specified and limited, the terms "mounting", "connecting" and "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] The above is the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principle of the present application, some improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present application.

Claims

1. A high-efficiency filter cloth flux recovery device, comprising multiple backwash filters (101) arranged on the side wall of an integrated fiber disc filter (100), a pump pit (102) arranged on the other side wall of the integrated fiber disc filter (100), and a suction pipe (103) arranged at the bottom of each backwash filter (101), the suction pipe (103) being connected to the pump pit (102), characterized in that: Each of the suction pipes (103) is provided with a first electric valve (104) penetrating through the sidewall of the pump pit (102), each pair of the first electric valves (104) is provided with a parallel pipe (300) away from one end of the suction pipe (103), each of the parallel pipes (300) is provided with a backwashing pump (403) away from one side of the suction pipe (103), the parallel pipes (300) are provided with a U-shaped connector (302) therebetween, and the U-shaped connector (302) is provided with a flushing pump (303) away from one side of the suction pipe (103).

2. The fabric flux efficiency recovery device of claim 1, wherein: The U-shaped connector (302) comprises two branch pipes (304) and a main pipe (305), one end of each of the branch pipes (304) is communicated with the parallel pipe (300) on the same side, and the other end of each of the branch pipes (304) is communicated with the main pipe (305).

3. The fabric flux efficiency recovery device of claim 2, wherein: Each of the branch pipes (304) is provided with a second electric valve (306), and the flushing pipe (307) is arranged at one end of the main pipe (305) away from the suction pipe (103), the flushing pipe (307) is provided with the flushing pump (303) away from the suction pipe (103), and the water inlet end of the flushing pump (303) is provided with a water supply pipe (301).

4. The fabric flux efficiency recovery device of claim 3, wherein: Each of the backwashing pumps (403) is provided with a cleaning pipe (400) between the parallel pipe (300) on the same side, each of the cleaning pipes (400) is provided with a third electric valve (401), and the bottom of each of the backwashing pumps (403) is provided with a pump group support (402).

5. The fabric flux efficiency recovery device of claim 4, wherein: The end of the parallel pipe (300) on one side is provided with an exhaust pipe (200), the exhaust end of the exhaust pipe (200) is provided with an exhaust valve (202), and the end of the parallel pipe (300) on the other side is provided with a blowdown pipe (201), and the water outlet end of the blowdown pipe (201) is provided with a blowdown valve (203).

6. A filter cloth flux efficiency recovery device as claimed in claim 5, characterized in that: Each of the first electric valves (104) is provided with a sealing pipe (105) close to the suction pipe (103) on the same side, and the sealing pipe (105) is embedded in the sidewall of the pump pit (102).

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