Self-cleaning filtering membrane device

Abstract

The utility model discloses a self-cleaning filter membrane device, which belongs to the technical field of sewage treatment and structurally comprises a membrane component, a frame, a cleaner, an aeration component, a filter membrane lifting component or a cleaner lifting component or a cleaner lateral moving component. When the water yield of the self-cleaning filtering membrane device is reduced, the cleaning device is started to operate, the cleaning device ascends and descends or the membrane component ascends and descends or the cleaning device is moved leftwards and rightwards to clean the membrane component, so that sludge on the surface of the membrane component is removed, and the water production capacity of the membrane component is recovered. In the operation environment of the filter membrane device, the filter membrane is cleaned and desilted, and manual flushing is not needed during cleaning, so that the manpower can be saved, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a filter membrane device belongs to sewage treatment technical field, especially in the sewage treatment system can be self-cleaning filter membrane device of application. BACKGROUND

[0002] At present, membrane bioreactor (MBR) technology is widely used in sewage treatment. Membrane bioreactor is a new type of wastewater treatment system that combines membrane separation technology and biological treatment technology. The filter membrane device is immersed in the sewage pool. The filter membrane device is composed of a frame and a membrane assembly. The membrane assembly includes a flat plate membrane assembly and a hollow fiber membrane assembly. The filter membrane device replaces the traditional biological treatment technology end of the secondary sedimentation tank.

[0003] The filter membrane device with flat plate membrane assembly and flat plate membrane assembly is shown in Figure 17 , Figure 18 The filter membrane device includes a frame, a flat plate membrane assembly, and an aeration assembly. The frame includes a membrane bracket, a water collecting pipe, an upper horizontal pipe, a middle horizontal pipe, a lower horizontal pipe, and a vertical pipe. The upper part of the vertical pipe is connected to the upper horizontal pipe, and the lower part is connected to the lower horizontal pipe. The aeration assembly includes an aeration main pipe and aeration branch pipes. The aeration branch pipes are arranged on both sides of the aeration main pipe. The aeration main pipe and the aeration branch pipes are arranged on the upper part of the lower horizontal pipe. The middle horizontal pipe is arranged on the upper part of the aeration main pipe and connected to the vertical pipe. The membrane bracket is connected to the middle horizontal pipe. The water collecting pipe is arranged outside the vertical pipe. The frame is provided with a top plate at both ends. The vertical clamping groove is arranged between the upper horizontal pipe and the middle horizontal pipe. The flat plate membrane assembly is vertically arranged in the clamping groove. The flat plate in the middle of the flat plate membrane assembly is hard and serves as a support. The membrane is arranged on both sides of the flat plate and connected to the flat plate around. The top of the membrane is provided with a water outlet. One end of the membrane water outlet pipe is connected to the water outlet of the flat plate membrane assembly, and the other end is connected to the water collecting pipe. The water collecting pipe is connected to the water production pipe. The water production pipe is connected to the water inlet of the water production pump. The aeration main pipe is connected to the aeration fan through the aeration connecting pipe. When running, the filter membrane device is immersed in the sewage pool. The water outside the filter membrane is sucked into the inside of the flat plate membrane assembly through the membrane surface by the negative pressure of the water production pump, and then flows to the clean water pool through the water production pipe and the water production pump. The pollutants are intercepted on the outside of the membrane.

[0004] The filter membrane device with hollow fiber membrane assembly and hollow fiber membrane assembly is shown in Figure 15 , Figure 16As shown: the filter membrane device includes a frame, a hollow fiber membrane assembly and an aeration assembly, the frame includes a membrane bracket, a water collecting pipe, an upper cross pipe, a middle cross pipe, a lower cross pipe and a vertical pipe, the upper part of the vertical pipe is connected with the upper cross pipe, the lower part is connected with the lower cross pipe, the aeration assembly includes an aeration main pipe, aeration branch pipes are arranged on both sides of the aeration main pipe, the aeration main pipe and the aeration branch pipes are arranged on the upper part of the lower cross pipe, the middle cross pipe is arranged on the upper part of the aeration main pipe and is connected with the vertical pipe, the membrane bracket is connected with the middle cross pipe, the hollow fiber membrane assembly is installed between the upper cross pipe of the frame and the membrane bracket, and the water collecting pipe is arranged outside the vertical pipe.

[0005] The upper and lower ends of the hollow fiber membrane assembly are respectively provided with an upper cavity and a lower cavity, the two ends of the hollow fiber membrane wire are connected and communicated with the upper cavity and the lower cavity respectively, the upper cavity or the lower cavity is connected with the water collecting pipe, the water collecting pipe is connected with a water production pipe, the water production pipe is connected with the water inlet of a water production pump, and the aeration main pipe is connected with an aeration fan through an aeration connecting pipe.

[0006] Disadvantages of the prior art:

[0007] The outer surface of the membrane assembly accumulated with sludge after long-term operation, when most of the hollow fiber membrane wires or membrane pieces are tightly wrapped with sludge, the sludge becomes hard and compact due to the long-term suction force of the water production pump during the operation of the filter membrane device, and the membrane assembly thus reduces or loses the water production capacity.

[0008] When the conventional aeration and backwashing methods cannot make the sludge separate from the membrane assembly, the membrane assembly must be taken out of the sewage pool and disassembled, and the sludge on the filter membrane is washed by artificial flushing, and the method of washing the sludge on the filter membrane by artificial flushing not only wastes time and labor, but also easily causes damage to the membrane assembly. Summary of the application

[0009] The utility model discloses a kind of self-cleaning filter membrane devices for solving the deficiencies of prior art, provide a kind of without taking out and disassembling membrane assembly from sewage pool, in the environment of filter membrane device operation, to filter membrane is cleaned and removes mud.

[0010] The utility model discloses a technical scheme that solves the above problems: provide a kind of self-cleaning filter membrane device, its structure includes membrane component, frame, cleaner, aeration component, filter membrane lifting assembly or cleaner lifting assembly or cleaner side shift component;The membrane component in it is divided into hollow fiber membrane component and flat sheet membrane component, frame includes lower cross pipe, middle cross pipe, upper cross pipe, vertical pipe and membrane bracket, the upper portion of vertical pipe is connected with upper cross pipe, lower portion is connected with lower cross pipe, aeration component includes aeration main pipe and aeration branch pipe, aeration main pipe is connected with aeration fan by aeration connecting pipe, aeration branch pipe is arranged at the both sides of aeration main pipe, is connected with aeration main pipe intercommunication, and through-hole is provided on aeration branch pipe;Aeration main pipe is arranged at the upper portion of lower cross pipe, middle cross pipe is arranged at the upper portion of aeration main pipe, is connected with vertical pipe, and membrane bracket is connected with middle cross pipe;Cleaner lifting assembly is divided into the cleaner lifting assembly of slide rail and the cleaner lifting assembly without slide rail, the cleaner lifting assembly of slide rail includes slide rail, sliding block, thread reel, cable, door type support or triangular support, lifting vertical pipe or screw rod, hand wheel or electric mechanism, electric mechanism includes motor and two gears, hollow fiber membrane component is fixedly installed in frame, upper portion is fixedly connected with upper cross pipe, lower portion is arranged at the upper portion of membrane bracket, is fixedly connected with middle cross pipe, or flat sheet membrane component is vertically arranged in the clamping groove fixed with upper cross pipe and middle cross pipe and recess vertical setting, slide rail is arranged on the inner side of vertical pipe, cleaning main pipe is horizontally arranged, and both ends are provided with sliding block, and sliding block is connected with slide rail, and cleaning branch pipe is parallel with membrane component, and is horizontally arranged between adjacent two membrane components, and one end is connected with cleaning main pipe, and the lower portion of lifting vertical pipe is fixedly connected with cleaning main pipe, and the top is provided with one lifting lug, or the lower portion of screw rod is fixedly connected with cleaning main pipe, and the vertical column lower end of door type support is fixedly connected with upper cross pipe, and crossbeam is arranged at the top end of vertical column, and nut is arranged on screw rod, and the outside of nut is rotatably connected with crossbeam, and hand wheel is fixedly connected with nut, or the outside of nut is fixedly connected with one gear, and another gear is arranged on the shaft of motor, and motor is fixedly connected with crossbeam, and the gear of nut outside is engagedly connected with the gear on the shaft of motor, or the bottom of triangular support is fixedly arranged on the upper portion of sewage pool pool wall, and the top is arranged on the upper portion of lifting lug, and triangular support top sets up wire reel one, and hand wheel or motor is arranged on the top of sewage pool pool wall, and thread reel is connected with hand wheel or arranged on the shaft of motor, and wire reel is connected with the lifting lug on the top of lifting vertical pipe through cable.The cleaning device lifting assembly without sliding rail comprises a guide ring, a cleaning hanger, a door-shaped support or a triangular support, a hand wheel or an electric motor, a winding shaft and a cable, the guide ring is arranged on the inner side of the four corners of the upper horizontal pipe or the inner side of the upper part of the vertical pipe, the cleaning hanger comprises an upper frame, a lower frame, a connecting vertical pipe or cable, and a lifting lug, the upper frame is arranged on the upper part of the guide ring, the lower frame is arranged on the lower part of the guide ring, the connecting vertical pipe or cable passes through the guide ring, the upper part of the connecting vertical pipe or cable is connected with the upper frame, the lower part of the connecting vertical pipe or cable is connected with the lower frame, the lifting lug is arranged on the upper part of the upper frame, the lower part of the lifting lug is connected with the four corners of the upper frame, a cleaning main pipe is horizontally arranged on one side of the lower part of the lower frame and connected with the lower frame, a cleaning branch pipe is horizontally arranged between two adjacent membrane assemblies in parallel with the membrane assemblies and connected with the cleaning main pipe at one end, the lower end of the vertical column of the door-shaped support is fixedly connected with the upper horizontal pipe, a cross beam is arranged at the top of the vertical column, the bottom of the triangular support is fixedly arranged on the upper part of the pool wall of the sewage pool, the top of the triangular support is arranged on the upper part of the lifting lug, one wire guide wheel is arranged on the top of the triangular support, the hand wheel or the electric motor is arranged on the middle of the cross beam of the door-shaped support or the top of the pool wall of the sewage pool, the winding shaft is connected with the hand wheel or arranged on the shaft of the electric motor, and the winding shaft is connected with the lifting lug through the cable; the filter membrane lifting assembly comprises a sliding rail, a sliding block, an inner frame, a winding shaft, a cable, a door-shaped support or a triangular support, a lifting vertical pipe or a screw rod, a hand wheel or an electric mechanism, the electric mechanism comprises an electric motor and two gears, the inner frame comprises an inner lower horizontal pipe, an inner upper horizontal pipe, an inner vertical pipe, the upper part of the hollow fiber membrane assembly is fixedly connected with the inner upper horizontal pipe, the lower part of the hollow fiber membrane assembly is fixedly connected with the inner lower horizontal pipe, or the flat plate membrane assembly is vertically arranged in a clamping groove which is fixedly arranged with the inner upper horizontal pipe and the inner lower horizontal pipe and in which a groove is vertically arranged, the sliding rail is arranged on the inner side of the vertical pipe, the inner lower horizontal pipe and the inner upper horizontal pipe are horizontally arranged and provided with the sliding block at both ends, the sliding block is connected with the sliding rail, the inner lower horizontal pipe and the inner upper horizontal pipe are connected through the inner vertical pipe, the lower part of the lifting vertical pipe is fixedly connected with the inner lower horizontal pipe or the inner upper horizontal pipe, and the top of the lifting vertical pipe is provided with a lifting lug, or the lower part of the screw rod is fixedly connected with the inner lower horizontal pipe or the inner upper horizontal pipe, the lower end of the vertical column of the door-shaped support is fixedly connected with the upper horizontal pipe, a cross beam is arranged at the top of the vertical column, a nut is arranged on the screw rod, the outer part of the nut is rotatably connected with the cross beam, the hand wheel is fixedly connected with the nut, or the outer side of the nut is fixedly connected with one gear, the other gear is arranged on the shaft of the electric motor, the electric motor is fixedly connected with the cross beam, the gear on the outer side of the nut is meshingly connected with the gear on the shaft of the electric motor, or the bottom of the triangular support is fixedly arranged on the upper part of the pool wall of the sewage pool, the top of the triangular support is arranged on the upper part of the lifting lug, one wire guide wheel is arranged on the top of the triangular support, the hand wheel or the electric motor is arranged on the top of the pool wall of the sewage pool, the winding shaft is connected with the hand wheel or arranged on the shaft of the electric motor, and the winding shaft is connected with the lifting lug on the top of the lifting vertical pipe through the cable; a cleaning main pipe is horizontally arranged on the outer side of the vertical pipe, and a cleaning branch pipe is horizontally arranged between two adjacent membrane assemblies in parallel with the membrane assemblies.The cleaning unit's side-shifting assembly includes a cable, guide wheel, slide rail, slider, triangular bracket, winding spool, handwheel or motor. The hollow fiber membrane assembly is fixedly installed within the frame, connected to the upper horizontal tube at the top and positioned on the upper part of the membrane support, fixedly connected to the middle horizontal tube. Alternatively, the flat membrane assembly is vertically positioned in a slot fixed to the upper and middle horizontal tubes and perpendicular to the groove. The slide rail is positioned on the upper part of the upper horizontal tube. The main cleaning pipe is horizontally positioned with sliders at both ends, connected to the slide rail. The cleaning branch pipe is vertically positioned, with its top end connected to the main cleaning pipe. The guide wheel on the left is positioned on the upper part of the left upper horizontal tube, and the guide wheel on the right is positioned on the upper part of the right upper horizontal tube, connected to the upper horizontal tube via a support base. The cable passes over the left guide wheel and connects to the basket, connects to the main cleaning pipe in the middle, then passes over the right guide wheel and connects to the lifting lug. The bottom of the triangular bracket is fixedly positioned... A guide wheel is installed at the top of a triangular support on the upper part of the sewage tank wall. A handwheel or motor is installed at the top of the sewage tank wall. The winding spool is connected to the handwheel or installed on the shaft of the motor. The winding spool is connected to the lifting lug via a cable. The cleaner includes a main cleaning pipe, cleaning branch pipes, a brush head or a vibrating motor. The main cleaning pipe is connected to the cleaning branch pipes. The cleaning branch pipes have through holes and are arranged parallel to the brush head. The main cleaning pipe is connected to the cleaning connecting pipe. The cleaning connecting pipe is connected to the cleaning water pump or cleaning blower. A check valve is installed at the outlet of the cleaning water pump and at the outlet of the cleaning blower on the cleaning connecting pipe. The vibrating motor is installed on the main cleaning pipe and is a linear motor or an oscillating motor. The membrane module is connected to the water collection pipe, or connected to the water collection pipe through the membrane outlet pipe. The water collection pipe is located outside the upper horizontal pipe or outside the inner upper horizontal pipe. The product water pipe is connected to the product water pump.

[0011] Its beneficial effects are:

[0012] When the water production of the self-cleaning filter membrane device of this invention decreases, the cleaner is activated. The cleaner moves up and down, or moves up and down the membrane module, or moves left and right to clean the membrane module, removing the sludge from the surface of the membrane module and restoring its water production capacity. This self-cleaning filter membrane device can clean and remove sludge from the filter membrane without disassembling the membrane module, in the environment in which the filter membrane device is operating. During cleaning, no manual flushing is required, which can save manpower and improve work efficiency. Attached Figure Description

[0013] The self-cleaning filter membrane device of this utility model will be further described in conjunction with the accompanying drawings and embodiments.

[0014] Figure 1 This is a front view of the self-cleaning filter membrane device of this utility model. The filter membrane lifting component in the figure is a filter membrane lifting component with a handwheel and a slide rail.

[0015] Figure 2Is the front view of the self-cleaning filter membrane device of the utility model provided with the cleaning device lifting assembly with slide rail and motor.

[0016] Figure 3 Is the top view of the self-cleaning filter membrane device of the utility model provided with the cleaning device lifting assembly with slide rail and lug.

[0017] Figure 4 Is the front view of the self-cleaning filter membrane device of the utility model provided with the filter membrane lifting assembly with hand wheel.

[0018] Figure 5 Is the front view of the self-cleaning filter membrane device of the utility model provided with the filter membrane lifting assembly with motor.

[0019] Figure 6 Is the top view of the self-cleaning filter membrane device of the utility model provided with the filter membrane lifting assembly with lug.

[0020] Figure 7 Is the front view of the self-cleaning filter membrane device of the utility model provided with the cleaning device side moving assembly with hand wheel.

[0021] Figure 8 Is the front view of the self-cleaning filter membrane device of the utility model provided with the cleaning device side moving assembly with motor.

[0022] Figure 9 Is the top view of the self-cleaning filter membrane device of the utility model provided with the cleaning device side moving assembly with lug.

[0023] Figure 10 Is the top view of the self-cleaning filter membrane device of the utility model provided with the cleaning device lifting assembly with slide rail and lug in the running state.

[0024] Figure 11 Is the top view of the self-cleaning filter membrane device of the utility model provided with the filter membrane lifting assembly with lug in the running state.

[0025] Figure 12 Is the top view of the self-cleaning filter membrane device of the utility model provided with the cleaning device side moving assembly with lug in the running state.

[0026] Figure 13 Is the front view of the self-cleaning filter membrane device of the utility model provided with the cleaning device lifting assembly without slide rail and with door type support.

[0027] Figure 14 Is the front view of the self-cleaning filter membrane device of the utility model provided with the cleaning device lifting assembly without slide rail and with triangular support.

[0028] Figure 15 is a schematic diagram of a filter membrane device of prior art installing a hollow fiber membrane module.

[0029] Figure 16 is a schematic diagram of a prior art hollow fiber membrane module.

[0030] Figure 17 is a schematic diagram of a filter membrane device of prior art installing a flat sheet membrane module, in which the top plate of the front is removed.

[0031] Figure 18 is a schematic diagram of a prior art flat sheet membrane module.

[0032] In the figure, 1 is a membrane module, 2 is a sliding rail, 3 is a sliding block, 4 is a lifting vertical pipe, 5 is a door type support, 6 is a water production pipe, 7 is a water production pump, 8 is an electric motor, 9 is a winding shaft, 10 is an inner vertical pipe, 11 is a vertical pipe, 12 is a hand wheel, 13 is a clamping groove, 14 is a cleaning main pipe, 15 is a water collecting pipe, 16 is a sewage pool, 17 is a clean water pool, 18 is a cleaning branch pipe, 19 is a lower horizontal pipe, 20 is an upper horizontal pipe, 21 is a middle horizontal pipe, 22 is a hollow fiber membrane module, 23 is a hollow fiber membrane wire, 24 is a flat sheet membrane module, 25 is a membrane sheet, 26 is a wire guide wheel, 27 is a cable, 28 is an inner upper horizontal pipe, 29 is an inner lower horizontal pipe, 30 is a crane, 31 is a lifting hook, 32 is an aeration main pipe, 33 is an aeration branch pipe, 34 is an aeration connecting pipe, 35 is an aeration fan, 36 is a pool wall, 37 is a membrane water outlet pipe, 38 is a screw rod, 39 is a nut, 40 is a lifting lug, 41 is a gear, 42 is a lifting basket, 43 is a check valve, 44 is a cleaning water pump, 45 is a cleaning fan, 46 is a cleaning connecting pipe, 47 is a cleaning water pool, 48 is a water outlet, 49 is an upper cavity, 50 is a lower cavity, 51 is a support seat, 52 is an upper frame, 53 is a lower frame, 54 is a guide ring, 55 is a triangular support, 56 is a vertical column, 57 is a crossbeam, and 58 is a connecting vertical pipe. DETAILED DESCRIPTION

[0033] The structure and characteristics of the self-cleaning filter membrane device of the present application will be described in detail below in combination with the drawings:

[0034] A self-cleaning filter membrane device, such as Figure 1 , Figure 3 , Figure 12As shown: the structure includes membrane assembly, frame, cleaner, aeration assembly, filter membrane lifting assembly or cleaner lifting assembly or cleaner side shift assembly; the membrane assembly is divided into hollow fiber membrane assembly and flat sheet membrane assembly, the frame includes lower cross pipe, middle cross pipe, upper cross pipe, vertical pipe and membrane bracket, the upper part of the vertical pipe is connected with the upper cross pipe, the lower part is connected with the lower cross pipe, the aeration assembly includes aeration main pipe and aeration branch pipe, the aeration main pipe is connected with the aeration fan through the aeration connecting pipe, the aeration branch pipe is arranged on the two sides of the aeration main pipe and is connected with the aeration main pipe in communication, and a through hole is arranged on the aeration branch pipe; the aeration main pipe is arranged on the upper part of the lower cross pipe, the middle cross pipe is arranged on the upper part of the aeration main pipe and is connected with the vertical pipe, and the membrane bracket is connected with the middle cross pipe; the cleaner lifting assembly is divided into cleaner lifting assembly with slide rail and cleaner lifting assembly without slide rail, the cleaner lifting assembly with slide rail is as shown in Figure 1 , Figure 2 , Figure 3 , Figure 10 : the slide rail, the sliding block, the winding shaft, the cable, the door type support or the triangular support, the lifting vertical pipe or the screw rod, the hand wheel or the electric mechanism, the electric mechanism includes the motor and two gears, the hollow fiber membrane assembly is fixedly installed in the frame, the upper part is fixedly connected with the upper cross pipe, and the lower part is arranged on the upper part of the membrane bracket and is fixedly connected with the middle cross pipe, or the flat sheet membrane assembly is vertically arranged in the clamping groove which is fixed with the upper cross pipe and the middle cross pipe and in which the groove is vertically arranged, the slide rail is arranged on the inner side of the vertical pipe, the cleaning main pipe is horizontally arranged, the two ends are provided with the sliding blocks, the sliding blocks are connected with the slide rail, the cleaning branch pipe is parallel to the membrane assembly and is horizontally arranged between the adjacent two membrane assemblies, one end is connected with the cleaning main pipe, the lower part of the lifting vertical pipe is fixedly connected with the cleaning main pipe, and the top is provided with a lifting lug, or the lower part of the screw rod is fixedly connected with the cleaning main pipe, the vertical column of the door type support is fixedly connected with the upper cross pipe, the cross beam is arranged at the top end of the vertical column, the nut is arranged on the screw rod, the outer part of the nut is rotatably connected with the cross beam, the hand wheel is fixedly connected with the nut, or the outer side of the nut is fixedly connected with one gear, the other gear is arranged on the shaft of the motor, the motor is fixedly connected with the cross beam, the gear on the outer side of the nut is meshedly connected with the gear on the shaft of the motor, or the triangular support is fixedly arranged at the upper part of the pool wall of the sewage pool and is arranged at the upper part of the lifting lug, one wire guide wheel is arranged at the top of the triangular support, the hand wheel or the motor is arranged at the top of the pool wall of the sewage pool, the winding shaft is connected with the hand wheel or is arranged on the shaft of the motor, and the winding shaft is connected with the lifting lug at the top of the lifting vertical pipe through the cable; the cleaner lifting assembly without slide rail is as shown in Figure 13 , Figure 14As shown: including guide ring, cleaning hanger, door type support or triangular support, hand wheel or motor, winding shaft and cable, the guide ring is arranged inside the four corners of the upper horizontal pipe or the inside of the upper part of the vertical pipe, the cleaning hanger includes upper frame, lower frame, connecting vertical pipe or cable, lifting lug, the upper frame is arranged on the upper part of the guide ring, the lower frame is arranged on the lower part of the guide ring, the connecting vertical pipe or cable passes through the guide ring, the upper part is connected with the upper frame, the lower part is connected with the lower frame, the lifting lug is arranged on the upper part of the upper frame, the lower part is connected with the four corners of the upper frame, the cleaning main pipe is horizontally arranged on one side of the lower part of the lower frame and connected with the lower frame, the cleaning branch pipe is parallel to the membrane module and horizontally arranged between two adjacent membrane modules, one end is connected with the cleaning main pipe, the lower end of the vertical column of the door type support is fixedly connected with the upper horizontal pipe, the cross beam is arranged at the top of the vertical column, the triangular support is fixedly arranged on the upper part of the pool wall of the sewage pool at the bottom and arranged on the upper part of the lifting lug at the top, one wire guide wheel is arranged on the top of the triangular support, the hand wheel or the motor is arranged on the middle of the cross beam of the door type support or the top of the pool wall of the sewage pool, the winding shaft is connected with the hand wheel or arranged on the shaft of the motor, and the winding shaft is connected with the lifting lug through the cable; the filter membrane lifting assembly, as shown in Figure 4 , Figure 5 , Figure 6 , Figure 11 As shown: including guide ring, cleaning hanger, door type support or triangular support, hand wheel or motor, winding shaft and cable, the guide ring is arranged inside the four corners of the upper horizontal pipe or the inside of the upper part of the vertical pipe, the cleaning hanger includes upper frame, lower frame, connecting vertical pipe or cable, lifting lug, the upper frame is arranged on the upper part of the guide ring, the lower frame is arranged on the lower part of the guide ring, the connecting vertical pipe or cable passes through the guide ring, the upper part is connected with the upper frame, the lower part is connected with the lower frame, the lifting lug is arranged on the upper part of the upper frame, the lower part is connected with the four corners of the upper frame, the cleaning main pipe is horizontally arranged on one side of the lower part of the lower frame and connected with the lower frame, the cleaning branch pipe is parallel to the membrane module and horizontally arranged between two adjacent membrane modules, one end is connected with the cleaning main pipe, the lower end of the vertical column of the door type support is fixedly connected with the upper horizontal pipe, the cross beam is arranged at the top of the vertical column, the triangular support is fixedly arranged on the upper part of the pool wall of the sewage pool at the bottom and arranged on the upper part of the lifting lug at the top, one wire guide wheel is arranged on the top of the triangular support, the hand wheel or the motor is arranged on the middle of the cross beam of the door type support or the top of the pool wall of the sewage pool, the winding shaft is connected with the hand wheel or arranged on the shaft of the motor, and the winding shaft is connected with the lifting lug through the cable; the filter membrane lifting assembly, as shown in Figure 7 , Figure 8 ,Figure 9 , Figure 12 As shown: including cable, wire wheel, slide rail, slider, triangular support, spool, hand wheel or motor, hollow fiber membrane module is fixedly installed in frame, upper part is connected with upper horizontal pipe, lower part is arranged on the upper part of membrane bracket, is fixedly connected with middle horizontal pipe, or flat plate membrane module is vertically arranged in clamping groove which is fixed with upper horizontal pipe and middle horizontal pipe and vertical groove is arranged, slide rail is arranged on the upper part of upper horizontal pipe, cleaning main pipe is horizontally arranged, both ends are provided with slider, slider is connected with slide rail, cleaning branch pipe is vertically arranged, top end is connected with cleaning main pipe, left wire wheel is arranged on the upper part of left upper horizontal pipe, right wire wheel is arranged on the upper part of right upper horizontal pipe, is connected with upper horizontal pipe through support seat, cable is connected with hanging basket through left wire wheel, is connected with ear through right wire wheel, triangular support bottom is fixedly arranged on the upper part of sewage pool wall, triangular support top is provided with wire wheel, hand wheel or motor is arranged on the top of sewage pool wall, spool is connected with hand wheel or arranged on the shaft of motor, spool is connected with ear through cable; The cleaner comprises a cleaning main pipe, a cleaning branch pipe, a brush head or a vibration motor, the cleaning main pipe is connected with the cleaning branch pipe, the cleaning branch pipe is provided with a through hole, the cleaning branch pipe is arranged in parallel with the brush head, the cleaning main pipe is connected with the cleaning connecting pipe, the cleaning connecting pipe is connected with the cleaning water pump or the cleaning fan, a check valve is arranged on the cleaning connecting pipe at the water outlet of the cleaning water pump and the air outlet of the cleaning fan, and the vibration motor is arranged on the cleaning main pipe and is a linear motor or an oscillation motor; The membrane module is connected with the water collecting pipe, or is connected with the water collecting pipe through the membrane water outlet pipe, the water collecting pipe is arranged outside the upper horizontal pipe or outside the inner upper horizontal pipe, and the water production pipe is connected with the water production pump.

[0035] The principle and operation process of the self-cleaning filter membrane device will be described in detail below with reference to the drawings:

[0036] Example one: self-cleaning operation of the self-cleaning filter membrane device of the self-cleaning filter membrane device

[0037] When the self-cleaning filter membrane device runs for a period of time, the water outlet of the filter membrane decreases, the cleaner lifting assembly of the self-cleaning filter membrane device is started, the membrane module is cleaned by moving the cleaner up and down, for example, the cleaner lifting assembly provided with the ear is taken as an example, as shown in Figure 3 , Figure 10As shown: the self-cleaning filter membrane device of the utility model is immersed in the sewage pool, the aeration main pipe is connected with the aeration fan through the aeration connecting pipe, the water collecting pipe is connected with the water producing pump through the water producing pipe, the cleaning water pump and the cleaning fan are connected with the cleaning main pipe through the cleaning connecting pipe, the lifting lug is connected with the lifting hook on the crane, the water producing pump is closed first when cleaning, the cleaning water pump is opened, the water in the cleaning pool is pumped out through the cleaning branch pipe, the membrane module surface is washed, or the cleaning fan is opened, the membrane module surface is air washed, then the crane is started, the lifting hook is slowly lifted, under the action of gravity, the cleaning branch pipe slides down along the slide rail, when the cleaning branch pipe slides down to the lower part of the membrane module, the lifting hook stops falling, the lifting hook is lifted by the crane, the lifting hook drives the cleaning branch pipe to move from bottom to top, water or air is continuously sprayed to the membrane module surface through the cleaning branch pipe, or the brush head is scraped, the sludge on the membrane module surface can be cleaned away for three to five times, the water producing flux of the membrane module is recovered, the self-cleaning filter membrane device of the utility model with the cleaning device lifting assembly provided with the hand wheel and the motor, as shown in Figure 1 , Figure 2 , Figure 13 , Figure 14 As shown: the lifting of the cleaning device can also be realized by rotating the hand wheel or starting the motor in reverse, the cleaning water pump and the cleaning fan are closed after cleaning, the water producing pump is opened, the water treated by the membrane module is pumped into the clean water pool, and water production operation is performed again.

[0038] Example two: self-cleaning operation of the self-cleaning filter membrane device of the utility model provided with the filter membrane lifting assembly

[0039] When the filter membrane lifting assembly provided in the self-cleaning filter membrane device of the utility model is started to clean the membrane module by moving the membrane module up and down, the filter membrane lifting assembly provided with the lifting lug is taken as an example, as shown in Figure 6 , Figure 11 As shown: the self-cleaning filter membrane device of the utility model is immersed in the sewage pool, the lifting lug is connected with the lifting hook on the crane, the water producing pump is closed first when cleaning, the cleaning water pump is opened, the water in the cleaning pool is pumped out through the cleaning branch pipe, the membrane module surface is washed, or the cleaning fan is opened, the membrane module surface is air washed, then the crane is started, the lifting hook is slowly lifted, under the action of gravity, the cleaning branch pipe slides down along the slide rail, when the cleaning branch pipe slides down to the lower part of the membrane module, the lifting hook stops falling, the lifting hook is lifted by the crane, the lifting hook drives the cleaning branch pipe to move from bottom to top, water or air is continuously sprayed to the membrane module surface through the cleaning branch pipe, or the brush head is scraped, the sludge on the membrane module surface can be cleaned away for three to five times, the water producing flux of the membrane module is recovered, the self-cleaning filter membrane device of the utility model with the cleaning device lifting assembly provided with the hand wheel and the motor, as shown in Figure 4 , Figure 5As shown in the figure: the lifting of the membrane assembly can also be realized by rotating the hand wheel or starting the motor in forward and reverse directions, after the cleaning is completed, the cleaning water pump and the cleaning air blower are closed, the water production pump is opened, the water treated by the membrane assembly is pumped into the clean water tank, and the water production operation is restarted.

[0040] Example three: self-cleaning operation of the self-cleaning filter membrane device of the utility model provided with a cleaning device side moving assembly

[0041] When the cleaning device side moving assembly of the self-cleaning filter membrane device of the utility model is started to clean the membrane assembly by moving the cleaning device left and right, for example, the cleaning device side moving assembly provided with lifting lugs is used, as shown in the figure: Figure 7 , Figure 12 As shown in the figure: the self-cleaning filter membrane device of the utility model is immersed in the sewage tank, the lifting lugs are connected with the lifting hooks on the crane, during cleaning, the water production pump is closed first, the cleaning water pump is opened, the cleaning water pump pumps out the water in the cleaning tank, and sprays it out through the cleaning branch pipes to wash the surface of the membrane assembly, or the cleaning air blower is opened to blow air to the surface of the membrane assembly, then the crane is started, the lifting hooks are slowly lifted, the cable is pulled to move the cleaning main pipe, and the cleaning branch pipes are moved from left to right along the gap of the membrane assembly, when the cleaning branch pipes move to the right side of the membrane assembly, the lifting hooks stop rising, and then the crane is used to lower the lifting hooks, at this time, the cleaning branch pipes are moved from right to left under the gravity of the lifting basket until they stop at the left side of the membrane assembly, after the continuous water spraying or air blowing to the surface of the membrane assembly by the cleaning branch pipes or the scraping by the brush head, the sludge on the surface of the membrane assembly is cleaned away for three to five times, so that the water production flux of the membrane assembly is restored, the self-cleaning filter membrane device of the utility model provided with the cleaning device side moving assembly of the hand wheel and the motor, as shown in the figure: Figure 8 , Figure 9 As shown in the figure: the left and right movement of the cleaning device can also be realized by rotating the hand wheel or starting the motor in forward and reverse directions, after the cleaning is completed, the cleaning water pump and the cleaning air blower are closed, the water production pump is opened, the water treated by the membrane assembly is pumped into the clean water tank, and the water production operation is restarted.

[0042] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled person in the art, without departing from the technical principle of the utility model, a number of improvements and refinements can be made, these improvements and refinements should also be regarded as the protection scope of the utility model.

Claims

1. A self-cleaning filter membrane device, which is an improvement on the filter membrane device, characterized in that, Its structure includes a membrane module, a frame, a cleaner, an aeration module, and a filter membrane lifting module or a cleaner lifting module or a cleaner side-shifting module. The membrane module is divided into hollow fiber membrane modules and flat sheet membrane modules. The frame includes a lower horizontal tube, a middle horizontal tube, an upper horizontal tube, a vertical tube, and a membrane support. The upper part of the vertical tube connects to the upper horizontal tube, and the lower part connects to the lower horizontal tube. The aeration module includes a main aeration pipe and branch aeration pipes. The main aeration pipe is connected to an aeration blower via an aeration connecting pipe. Branch aeration pipes are located on both sides of the main aeration pipe and connected to it. Through holes are provided on the branch aeration pipes. The main aeration pipe is equipped with... Above the lower horizontal pipe, the middle horizontal pipe is located above the aeration main pipe and connected to the vertical pipe. The membrane support is connected to the middle horizontal pipe. The cleaner lifting assembly is divided into a cleaner lifting assembly with slide rails and a cleaner lifting assembly without slide rails. The cleaner lifting assembly with slide rails includes slide rails, sliders, winding spools, cables, gantry brackets or triangular brackets, lifting vertical pipes or screws, handwheels or electric mechanisms. The electric mechanism includes a motor and two gears. The hollow fiber membrane assembly is fixedly installed in the frame, with its upper part fixedly connected to the upper horizontal pipe and its lower part located above the membrane support and fixedly connected to the middle horizontal pipe, or... The flat membrane module is vertically mounted in a slot that is fixed to the upper and middle horizontal tubes and perpendicular to the groove. A slide rail is positioned inside the vertical tube. The main cleaning pipe is horizontally mounted with sliders at both ends, connected to the slide rail. A cleaning branch pipe is parallel to the membrane module and horizontally positioned between two adjacent membrane modules, with one end connected to the main cleaning pipe. The lower part of the lifting vertical tube is fixedly connected to the main cleaning pipe, and a lifting lug is mounted at the top, or the lower part of a screw is fixedly connected to the main cleaning pipe. The lower end of the vertical column of the gantry frame is fixedly connected to the upper horizontal tube. A crossbeam is positioned at the top of the vertical column, and a nut is mounted on the screw. The outer part of the mother is rotatably connected to the crossbeam, the handwheel is fixedly connected to the nut, or the outer side of the nut is fixedly connected to a gear, and another gear is set on the shaft of the motor. The motor is fixedly connected to the crossbeam, and the gear on the outer side of the nut meshes with the gear on the shaft of the motor. Alternatively, the bottom of the triangular bracket is fixedly set on the upper part of the sewage tank wall, and the top is set on the upper part of the lifting lug. A guide wheel is set on the top of the triangular bracket, and the handwheel or motor is set on the top of the sewage tank wall. The winding shaft is connected to the handwheel or set on the shaft of the motor. The winding shaft is connected to the lifting lug at the top of the lifting vertical pipe by a cable.The railless washer lifting assembly includes a guide ring, a washer hanger, a gantry bracket or tripod bracket, a handwheel or motor, a winding spool, and a cable. The guide ring is located inside the four corners of the upper horizontal tube or inside the upper part of the vertical tube. The washer hanger includes an upper frame, a lower frame, a connecting vertical tube or cable, and lifting lugs. The upper frame is located above the guide ring, and the lower frame is located below the guide ring. The connecting vertical tube or cable passes through the guide ring, with its upper part connected to the upper frame and its lower part connected to the lower frame. The lifting lugs are located on the upper part of the upper frame, and their lower parts are connected to the four corners of the upper frame. The main washer pipe is horizontally located on one side of the lower part of the lower frame and connected to the lower frame. The washer branch pipes are parallel to the membrane modules and horizontally located between adjacent membrane modules. Between the components, one end is connected to the cleaning main pipe. The lower end of the vertical column of the gantry bracket is fixedly connected to the upper horizontal pipe. The horizontal beam is set at the top of the vertical column. The bottom of the triangular bracket is fixedly set on the upper part of the sewage tank wall, and the top is set on the upper part of the lifting lug. A guide wheel is set on the top of the triangular bracket. The handwheel or motor is set in the middle of the crossbeam of the gantry bracket or on the top of the sewage tank wall. The winding shaft is connected to the handwheel or set on the shaft of the motor. The winding shaft is connected to the lifting lug by a cable. The filter membrane lifting assembly includes a slide rail, a slider, an inner frame, a winding shaft, a cable, a gantry bracket or triangular bracket, a lifting vertical pipe or screw, a handwheel or electric mechanism. The electric mechanism includes a motor and two gears. The inner frame includes an inner lower horizontal pipe, an inner... The upper horizontal tube, inner vertical tube, and hollow fiber membrane assembly are fixedly connected at the top and bottom to the inner upper horizontal tube, respectively. Alternatively, the flat membrane assembly is vertically installed in a slot that is fixed to the inner upper and inner lower horizontal tubes and the groove is perpendicular to the slot. A slide rail is installed inside the vertical tube. The inner lower and inner upper horizontal tubes are horizontally installed with sliders at both ends, which are connected to the slide rail. The inner lower and inner upper horizontal tubes are connected through the inner vertical tube. The lower part of the lifting vertical tube is fixedly connected to the inner lower or inner upper horizontal tube, and a lifting lug is installed at the top. Alternatively, the lower part of the screw is fixedly connected to the inner lower or inner upper horizontal tube. The lower end of the vertical column of the gantry frame is fixedly connected to the upper horizontal tube. A crossbeam is installed at the top of the vertical column, and a nut is installed on the screw. The external part is rotatably connected to the crossbeam, the handwheel is fixedly connected to the nut, or the outside of the nut is fixedly connected to a gear, and another gear is set on the shaft of the motor. The motor is fixedly connected to the crossbeam, and the gear on the outside of the nut meshes with the gear on the motor shaft. Alternatively, the bottom of the triangular bracket is fixedly set on the upper part of the sewage tank wall, and the top is set on the upper part of the lifting lug. A guide wheel is set on the top of the triangular bracket, and the handwheel or motor is set on the top of the sewage tank wall. The winding shaft is connected to the handwheel or set on the shaft of the motor. The winding shaft is connected to the lifting lug at the top of the lifting vertical pipe through a cable. The cleaning main pipe is horizontally set on the outside of the vertical pipe, and the cleaning branch pipe is parallel to the membrane module and horizontally set between two adjacent membrane modules.The cleaning unit's side-shifting assembly includes a cable, guide wheel, slide rail, slider, triangular bracket, winding spool, handwheel or motor. The hollow fiber membrane assembly is fixedly installed within the frame, connected to the upper horizontal tube at the top and positioned on the upper part of the membrane support, fixedly connected to the middle horizontal tube. Alternatively, the flat membrane assembly is vertically positioned in a slot fixed to the upper and middle horizontal tubes and perpendicular to the groove. The slide rail is positioned on the upper part of the upper horizontal tube. The main cleaning pipe is horizontally positioned with sliders at both ends, connected to the slide rail. The cleaning branch pipe is vertically positioned, with its top end connected to the main cleaning pipe. The guide wheel on the left is positioned on the upper part of the left upper horizontal tube, and the guide wheel on the right is positioned on the upper part of the right upper horizontal tube, connected to the upper horizontal tube via a support base. The cable passes over the left guide wheel and connects to the basket, connects to the main cleaning pipe in the middle, then passes over the right guide wheel and connects to the lifting lug. The bottom of the triangular bracket is fixedly positioned... A guide wheel is installed at the top of a triangular support on the upper part of the sewage tank wall. A handwheel or motor is installed at the top of the sewage tank wall. The winding spool is connected to the handwheel or installed on the shaft of the motor. The winding spool is connected to the lifting lug via a cable. The cleaner includes a main cleaning pipe, cleaning branch pipes, a brush head or a vibrating motor. The main cleaning pipe is connected to the cleaning branch pipes. The cleaning branch pipes have through holes and are arranged parallel to the brush head. The main cleaning pipe is connected to the cleaning connecting pipe. The cleaning connecting pipe is connected to the cleaning water pump or cleaning blower. A check valve is installed at the outlet of the cleaning water pump and at the outlet of the cleaning blower on the cleaning connecting pipe. The vibrating motor is installed on the main cleaning pipe and is a linear motor or an oscillating motor. The membrane module is connected to the water collection pipe, or connected to the water collection pipe through the membrane outlet pipe. The water collection pipe is located outside the upper horizontal pipe or outside the inner upper horizontal pipe. The product water pipe is connected to the product water pump.

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