CN221332920U

CN221332920U - Backwashing filter

Info

Publication number: CN221332920U
Application number: CN202323252289.XU
Authority: CN
Inventors: 曾天浩; 夏海云; 陈德军; 蒋坤; 闫於捷; 唐滢; 杨丽
Original assignee: Xinjiang Chengkun Shuike Intelligent Co ltd
Current assignee: Xinjiang Chengkun Shuike Intelligent Co ltd
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-07-16
Anticipated expiration: 2033-11-27

Abstract

The utility model discloses a backwashing filter, which comprises a filter shell, a separation filter screen, a partition plate, a connecting frame, a water outlet pipe, an electric valve of the water outlet pipe, a left filter assembly, a right filter assembly, a water inlet pipe and a controller, wherein the left filter assembly and the right filter assembly are arranged, the internal pressure of the left filter assembly and the internal pressure of the right filter assembly are respectively detected through a pressure gauge, when the pressure is overlarge, the left filter assembly and the right filter assembly are respectively backwashed in sequence, the flow direction of water flow is controlled through the electric valve, the electric valve and the pressure gauge are both connected with the controller, and a backwashing procedure is automatically started according to the pressure through the controller, so that the effect of automatically carrying out backwashing on the filter is achieved, the timely backwashing on the filter is facilitated, the filter screen is prevented from being blocked seriously, the filter screen cannot be cleaned by backwashing washing, and the filter screen is damaged in serious condition.

Description

Backwashing filter

Technical Field

The utility model relates to the technical field of filters, in particular to a backwashing filter.

Background

The filter is an indispensable device on the medium conveying pipeline, the impurities of the water to be treated are blocked after the water passes through the filter drum of the filter screen of the filter, and when the water is required to be cleaned, the detachable filter drum is taken out, and the water is reloaded after being treated;

After the filter screen is used for a period of time, a great amount of impurities are accumulated on the filter screen, and the impurities can influence the filtering speed and the filtering efficiency of the filter element, so that the filter element needs to be cleaned in time, and the filter element needs to be cleaned after being detached at present, and the filter screen needs to be stopped for replacement;

The existing backwashing filter is provided with two groups of filtering systems, the blocking of a filter screen is judged by detecting the inflow and outflow, and then the water filtered by the filtering systems is larger than that filtered by the other filtering systems for backwashing, but the filter screen is easy to be washed out in time, so that the filter screen is seriously blocked, the filter screen cannot be washed cleanly by backwashing, and the filter screen is damaged under serious conditions.

Disclosure of utility model

(One) solving the technical problems

In view of the shortcomings of the prior art, the utility model provides a backwash filter which solves the problems set forth above.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a back flush filter, includes filter housing, separates filter screen, baffle, connecting frame, outlet pipe motorised valve, left filter component and right filter component, filter housing's bottom is fixed with the supporting legs, the middle part is provided with the separation filter screen in the filter housing, the upper and lower both sides middle part of separating the filter screen is provided with baffle and connecting frame respectively, and baffle and connecting frame all are fixed in filter housing's inside, the front end of connecting frame is connected with the outlet pipe, and the front side of outlet pipe installs outlet pipe motorised valve, filter housing's inside left and right sides is provided with left filter component and right filter component respectively, left side filter component and right filter component are used for filtering water respectively, left side filter component and right filter component's top is connected with the bottom left and right sides of inlet tube, the controller is installed in the outside of inlet tube.

Preferably, the left filter component comprises a water inlet branch pipe, a water inlet electric valve, a drain pipe, a drain electric valve, quartz sand, a filter cylinder and a pressure gauge, wherein the water inlet electric valve is arranged in the middle of the water inlet branch pipe, the bottom of the front side of the water inlet branch pipe is connected with the drain pipe, the middle of the drain pipe is provided with the drain electric valve, the quartz sand is arranged on the left side of the top of the separation filter screen, the filter cylinder is arranged on the left side of the connecting frame, the quartz sand and the filter cylinder are arranged on the left side of the inside of the filter shell, the pressure gauge is arranged on the left side of the top of the filter shell, and the top of the water inlet branch pipe is connected with the water inlet pipe.

Preferably, the left filter component and the right filter component are identical in structure, and the left filter component and the right filter component are symmetrically arranged left and right.

Preferably, the quartz sand of the left filter assembly and the quartz sand of the right filter assembly are separated by a partition plate, and the filter cartridge interiors of the left filter assembly and the right filter assembly are communicated with the connecting frame.

Preferably, the front ends of the sewage pipes of the left filtering component and the right filtering component are respectively connected with the left side and the right side of the sewage discharge pipe, and the middle part of the front end of the sewage discharge pipe is provided with a water outlet.

Preferably, the controller is electrically connected with the water outlet pipe electric valve, the water inlet electric valve, the sewage discharge electric valve and the pressure gauge.

Preferably, the pore size of the filter cartridge is smaller than the pore size of the separating screen.

(III) beneficial effects

The utility model provides a backwashing filter. The beneficial effects are as follows: through having set up left filter component and right filter component, left side filter component and right filter component set up respectively in the inside left and right sides of filter shell, and left side filter component and right filter component's inlet manifold connection have the blow off pipe, left side filter component and right filter component's filter tube is connected through the connection frame, detect left filter component and right filter component internal pressure respectively through the manometer, when pressure is too big, backwash left filter component and right filter component respectively in proper order, flow direction to rivers is controlled through the control motorised valve, water after filtering through right filter component carries out the back flush to left filter component, water after filtering through left filter component carries out the back flush to right filter component, and motorised valve and manometer all are connected with the controller, back flush process is started according to pressure automatically through the controller, the effect of automatic back flush has been reached, be convenient for in time back flush to the filter, the filter screen has been avoided not in time wasing, the filter screen is seriously blocked up, back flush can't be washd the filter screen clean, serious condition can cause the filter screen to damage.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the A-A structure of FIG. 1 in accordance with the present utility model;

FIG. 3 is a top view showing the internal structure of the connecting frame according to the present utility model;

FIG. 4 is a plan view showing the structure of the sewage discharge pipe in the present utility model.

In the figure: the filter comprises a filter shell-1, a separation filter screen-2, a partition plate-3, a connecting frame-4, a water outlet pipe-5, a water outlet pipe electric valve-6, a left filter component-7, a right filter component-8, a water inlet pipe-9, a controller-10, supporting legs-11, a water inlet branch pipe-71, a water inlet electric valve-72, a sewage drain pipe-73, a sewage drain electric valve-74, quartz sand-75, a filter cylinder-76, a pressure gauge-77 and a sewage drain pipe-731.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a backwash filter technical scheme: the back flushing filter comprises a filter shell 1, a separation filter screen 2, a partition plate 3, a connecting frame 4, a water outlet pipe 5, a water outlet pipe electric valve 6, a left filter assembly 7 and a right filter assembly 8, wherein supporting feet 11 are fixed at the bottom of the filter shell 1, the middle part in the filter shell 1 is provided with the separation filter screen 2, the partition plate 3 and the connecting frame 4 are respectively arranged at the middle parts of the upper side and the lower side of the separation filter screen 2, the partition plate 3 and the connecting frame 4 are both fixed in the filter shell 1, the front end of the connecting frame 4 is connected with the water outlet pipe 5, the water outlet pipe electric valve 6 is arranged at the front side of the water outlet pipe 5, the left side and the right side of the inside of the filter shell 1 are respectively provided with the left filter assembly 7 and the right filter assembly 8, the left filter assembly 7 and the right filter assembly 8 are respectively used for filtering water, the top of the left filter assembly 7 and the right filter assembly 8 are connected with the left side and the bottom of a water inlet pipe 9, and the outer side of the water inlet pipe 9 is provided with a controller 10;

The left filter assembly 7 comprises a water inlet branch pipe 71, a water inlet electric valve 72, a drain pipe 73, a drain electric valve 74, quartz sand 75, a filter cylinder 76 and a pressure gauge 77, wherein the water inlet electric valve 72 is arranged in the middle of the water inlet branch pipe 71, the bottom of the front side of the water inlet branch pipe 71 is connected with the drain pipe 73, the drain electric valve 74 is arranged in the middle of the drain pipe 73, the quartz sand 75 is arranged on the left side of the top of the separation filter screen 2, the filter cylinder 76 is arranged on the left side of the connecting frame 4, the quartz sand 75 and the filter cylinder 76 are both arranged on the left side of the inside of the filter shell 1, the pressure gauge 77 is arranged on the left side of the top of the filter shell 1, the top of the water inlet branch pipe 71 is connected with the water inlet pipe 9, and the aperture of the filter cylinder 76 is smaller than that of the separation filter screen 2, so that sewage is filtered sequentially through the separation filter screen 2 and the filter cylinder 76;

The left filter assembly 7 and the right filter assembly 8 are identical in structure, the left filter assembly 7 and the right filter assembly 8 are symmetrically arranged left and right, and sewage is filtered through the left filter assembly 7 and the right filter assembly 8 respectively;

The quartz sand 75 of the left filter assembly 7 and the quartz sand 75 of the right filter assembly 8 are separated by the partition plate 3, and the interiors of the filter cartridges 76 of the left filter assembly 7 and the right filter assembly 8 are communicated with the connecting frame 4, so that sewage is prevented from flowing between the left filter assembly 7 and the right filter assembly 8, and back flushing of the left filter assembly 7 or the right filter assembly 8 is influenced;

The front ends of the drain pipes 73 of the left filtering component 7 and the right filtering component 8 are respectively connected with the left side and the right side of the sewage discharge pipe 731, the middle part of the front end of the sewage discharge pipe 731 is provided with a water outlet, and sewage generated during back flushing of the left filtering component 7 and the right filtering component 8 is discharged after being converged through the sewage discharge pipe 731;

The controller 10 is electrically connected with the water outlet pipe electric valve 6, the water inlet electric valve 72, the sewage disposal electric valve 74 and the pressure gauge 77, and data transmission and control are carried out on the water outlet pipe electric valve 6, the water inlet electric valve 72, the sewage disposal electric valve 74 and the pressure gauge 77 through the controller 10.

When the device is used, the device is firstly placed on a required plane position through the supporting legs 11, then the controller 10 is connected with an external power supply to be used as power supply, and the controller 10 is used for supplying power and transmitting and controlling data to the water outlet pipe electric valve 6, the water inlet electric valve 72, the sewage discharging electric valve 74 and the pressure gauge 77;

When sewage is filtered, the water inlet pipe 9 enters, then enters the filter shell 1 through the water inlet branch pipes 71 of the left filter assembly 7 and the right filter assembly 8 respectively, then is filtered through the quartz sand 75 of the left filter assembly 7 and the right filter assembly 8 respectively, is filtered through the separation filter screen 2, is filtered through the filter cartridges 76 of the left filter assembly 7 and the right filter assembly 8, and is finally discharged through the water outlet pipe 5 after passing through the connecting frame 4;

the running state of the filter can be clearly seen through the pressure gauge, when the filtering pressure is increased, the filter screen 2 and the filter cylinder 76 are separated, and the back flushing procedure is started after analysis and judgment are carried out through the controller 10;

When back flushing is carried out, the water outlet pipe electric valve 6 is closed firstly, when back flushing is carried out on the left filter assembly 7, the water inlet electric valve 72 of the left filter assembly 7 is closed, the sewage discharge electric valve 74 of the left filter assembly 7 is opened, water filtered by the right filter assembly 8 enters the filter cylinder 76 of the left filter assembly 7, back flushing is carried out on the filter cylinder 76 of the left filter assembly 7 and the separation filter screen 2 at the left side in the filter shell 1, and sewage generated during back flushing is discharged through the sewage discharge pipe 73 of the left filter assembly 7 and then is discharged through the sewage discharge pipe 731;

When the right filter assembly 8 is backwashed, the water inlet electric valve 72 of the right filter assembly 8 is closed, the sewage discharge electric valve 74 of the right filter assembly 8 is opened, water filtered by the left filter assembly 7 enters the filter cartridge 76 of the right filter assembly 8, the filter cartridge 76 of the right filter assembly 8 and the separation filter screen 2 at the left side in the filter shell 1 are backwashed, and sewage generated during the backwashed is discharged through the sewage discharge pipe 73 of the right filter assembly 8 and then through the sewage discharge pipe 731;

After the back flushing is finished, the sewage discharge electric valves 74 of the left filter assembly 7 and the right filter assembly 8 are closed, the water inlet electric valves 72 of the left filter assembly 7 and the right filter assembly 8 are opened, the water outlet electric valve 6 is opened, and the filtering state of the filter is restored.

The control mode of the utility model is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power supply are common knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and the wiring arrangement in detail.

The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting a mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a back flush filter, includes filter housing (1), separates filter screen (2), baffle (3), connecting frame (4), outlet pipe (5) and outlet pipe motorised valve (6), the bottom of filter housing (1) is fixed with supporting legs (11), middle part is provided with in filter housing (1) separates filter screen (2), the upper and lower both sides middle part that separates filter screen (2) is provided with baffle (3) and connecting frame (4) respectively, and baffle (3) and connecting frame (4) are all fixed in the inside of filter housing (1), the front end of connecting frame (4) is connected with outlet pipe (5), and outlet pipe motorised valve (6) are installed to the front side of outlet pipe (5);

The method is characterized in that: still include left filter component (7) and right filter component (8), the inside left and right sides of filter shell (1) is provided with left filter component (7) and right filter component (8) respectively, left side filter component (7) and right filter component (8) are used for filtering water respectively, the top of left side filter component (7) and right filter component (8) is connected with the bottom left and right sides of inlet tube (9), controller (10) are installed in the outside of inlet tube (9).

2. A backflushing filter according to claim 1 wherein: left side filter component (7) are including intake branch pipe (71), intake motorised valve (72), blow off pipe (73), blow off motorised valve (74), quartz sand (75), filter cylinder (76) and manometer (77), mid-mounting of intake branch pipe (71) has intake motorised valve (72), the front side bottom of intake branch pipe (71) is connected with blow off pipe (73), mid-mounting of blow off pipe (73) has blow off motorised valve (74), quartz sand (75) set up in the top left side of separating filter screen (2), filter cylinder (76) are installed in the left side of connecting frame (4), quartz sand (75) and filter cylinder (76) all set up in the inside left side of filter housing (1), manometer (77) are installed in the top left side of filter housing (1), the top of intake branch pipe (71) is connected with inlet tube (9).

3. A backflushing filter according to claim 1 wherein: the left filtering component (7) and the right filtering component (8) are identical in structure, and the left filtering component (7) and the right filtering component (8) are symmetrically arranged left and right.

4. A backflushing filter according to claim 2 wherein: the quartz sand (75) of the left filtering component (7) and the quartz sand (75) of the right filtering component (8) are separated by the partition plate (3), and the interiors of the filter cartridges (76) of the left filtering component (7) and the right filtering component (8) are communicated with the connecting frame (4).

5. A backflushing filter according to claim 2 wherein: the front ends of the sewage pipes (73) of the left filtering component (7) and the right filtering component (8) are respectively connected with the left side and the right side of the sewage discharge pipe (731), and a water outlet is arranged in the middle of the front end of the sewage discharge pipe (731).

6. A backflushing filter according to claim 1 wherein: the controller (10) is electrically connected with the water outlet pipe electric valve (6), the water inlet electric valve (72), the sewage discharging electric valve (74) and the pressure gauge (77).

7. A backflushing filter according to claim 2 wherein: the pore size of the filter cylinder (76) is smaller than that of the separation filter screen (2).