CN218980637U

CN218980637U - Unpowered automatic filtering back flushing device

Info

Publication number: CN218980637U
Application number: CN202320012021.XU
Authority: CN
Inventors: 王庆准; 郝鹏飞; 卢立旗
Original assignee: Shanxi Hualing Technology Co ltd
Current assignee: Shanxi Hualing Technology Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-05-09
Anticipated expiration: 2033-01-04

Abstract

The utility model relates to the technical field of water treatment, in particular to an unpowered automatic filtering back flushing device, which has the technical scheme that: including the rose box, the department is provided with the filter frame in the middle of the rose box is inside to be provided with the filter screen, rose box one end flange joint has the inlet tube, and rose box other end flange joint has the outlet pipe, still including being used for carrying out the automatic clearance subassembly of unpowered automatic back flush to the filter screen, the rose box is detachable structure, and the beneficial effect of the utility model is: the automatic back flushing filter screen can be realized, namely the device can be conveniently cleaned, the cooling capacity of cooling equipment is facilitated, and the filter box is detachable, so that the filter screen arranged in the filter box is convenient to replace subsequently.

Description

Unpowered automatic filtering back flushing device

Technical Field

The utility model relates to the technical field of water treatment, in particular to an unpowered automatic filtering back flushing device.

Background

In the production process, cooling water can rise in the cooling heat exchange process, the cooling water can be recycled after being cooled, in the cooling process, forced ventilation is adopted to cool the water temperature under most conditions except for indirect cooling by adopting lower-temperature water, in order to increase the heat dissipation area, strengthen the heat dissipation effect, improve the heat dissipation efficiency, a plurality of plastic fillers are often arranged in a forced ventilation cooling tower, the plastic fillers can be cracked under the conditions of continuous flushing of air and water and aging of the plastic fillers, the plastic fillers can be scattered in water after being replaced, enter production cooling equipment along with the water, block a cooling water flow channel of the heat exchange cooling equipment, and reduce the cooling effect.

The prior art mainly adopts a method that a filter device is additionally arranged on an inlet or an outlet pipeline of a conveying pump, but when the filter device is blocked, the liquid pumping capacity of the conveying pump is insufficient, or the pipeline and equipment are blocked, the water pumping capacity of the conveying pump and the cooling capacity of heat exchange cooling equipment are reduced, and the existing filter device still has the problem of inconvenient cleaning, so the unpowered automatic filter back flushing device is necessary.

Disclosure of Invention

Therefore, the utility model provides an unpowered automatic filtering back flushing device, which solves the problem that the existing filtering device is inconvenient to clean.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides an unpowered automatic filtration back flush device, includes the rose box, and the department is provided with the filter frame in the middle of the rose box inside, and the filter frame is inside to be provided with the filter screen, and rose box one end flange joint has the inlet tube, and rose box other end flange joint has the outlet pipe, still includes the automatic clearance subassembly that is used for carrying out unpowered automatic back flush to the filter screen, the rose box is detachable structure.

Preferably, the automatic cleaning assembly comprises a first electromagnetic valve and a second electromagnetic valve, wherein the first electromagnetic valve is arranged on the water inlet pipe body, and the second electromagnetic valve is arranged on the water outlet pipe body.

Preferably, the water inlet pipe body is welded with a water pipe, one end of the water pipe, which is far away from the water inlet pipe, is welded on the water outlet pipe body, and the water pipe body is provided with a third electromagnetic valve.

Preferably, the automatic cleaning assembly further comprises a first water outlet, the first water outlet is formed in one side of the bottom of the filter tank, a first water collecting cover is fixedly mounted on one side of the bottom of the filter tank, and a first drain pipe is fixedly mounted at the bottom end of the first water collecting cover.

Preferably, a second water outlet is formed in the other side of the bottom of the filter tank, a second water collecting cover is fixedly arranged on the other side of the bottom of the filter tank, and a second drain pipe is fixedly arranged at the bottom end of the second water collecting cover.

Preferably, the first drain pipe body is provided with a fourth electromagnetic valve, and the second drain pipe body is provided with a fifth electromagnetic valve.

Preferably, the filter tank is a split type box body which is bilaterally symmetrical, the outer side of the middle part of the filter tank is provided with connecting plates, a plurality of fixing bolts penetrate through the two connecting plates, an open slot is formed in the inner side of the middle part of the filter tank, and the filter frame is positioned inside the two open slots.

The beneficial effects of the utility model are as follows:

1. through the automatic cleaning component, when the filter screen is blocked, a person skilled in the art only needs to control the flow direction of cooling water, so that the blocked filter screen can be automatically backwashed by the cooling water in a backward flow manner, namely, the device can be conveniently cleaned, is favorable for the cooling capacity of cooling equipment, has strong practicability and is suitable for popularization;

2. because rose box and inlet tube and outlet pipe are flange joint, and the rose box is detachable structure, so can make things convenient for the follow-up dismantlement to the filter screen of technical staff in this field, conveniently to the change of filter screen promptly, it is convenient to use.

Drawings

FIG. 1 is a front view of a structure provided by the present utility model;

FIG. 2 is a cross-sectional view of a structure provided by the present utility model;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a perspective view of the structure of the filter box provided by the utility model;

fig. 5 is a structural perspective view of a filter frame and a filter screen provided by the utility model.

In the figure: 1. a filter box; 2. a filter frame; 3. a filter screen; 4. a connecting plate; 5. a fixing bolt; 6. a water inlet pipe; 7. a first electromagnetic valve; 8. a water outlet pipe; 9. a second electromagnetic valve; 10. a water pipe; 11. a third electromagnetic valve; 12. a first water outlet; 13. a first water collection cover; 14. a first drain pipe; 15. a fourth electromagnetic valve; 16. a second water outlet; 17. a second water collecting cover; 18. a second drain pipe; 19. a fifth electromagnetic valve; 20. an open slot.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1-5, the unpowered automatic filtering and back flushing device provided by the utility model comprises a filter box 1, wherein a filter frame 2 is arranged in the middle of the inside of the filter box 1, a filter screen 3 is arranged in the filter frame 2, one end of the filter box 1 is connected with a water inlet pipe 6 in a flange manner, namely, cooling water with impurities such as plastic filler and the like can enter the filter box 1 through the water inlet pipe 6, the other end of the filter box 1 is connected with a water outlet pipe 8 in a flange manner, so that the cooling water entering the filter box 1 can be filtered through the filter screen 3, then the filtered cooling water is discharged from the water outlet pipe 8, at the moment, the impurities such as the plastic filler and the like are filtered by the filter screen 3 and are reserved in the filter box 1, and the unpowered automatic back flushing device also comprises an automatic cleaning component for carrying out unpowered automatic back flushing on the filter screen 3, and the filter box 1 is of a detachable structure;

the automatic cleaning assembly comprises a first electromagnetic valve 7 and a second electromagnetic valve 9, wherein the first electromagnetic valve 7 is arranged on the pipe body of the water inlet pipe 6, the second electromagnetic valve 9 is arranged on the pipe body of the water outlet pipe 8, a water pipe 10 is welded on the pipe body of the water inlet pipe 6, one end, far away from the water inlet pipe 6, of the water pipe 10 is welded on the pipe body of the water outlet pipe 8, and a third electromagnetic valve 11 is arranged on the pipe body of the water pipe 10, so when the first electromagnetic valve 7 and the second electromagnetic valve 9 are opened, and the third electromagnetic valve 11 is closed, cooling water can enter the filter box 1 from the water inlet pipe 6 normally at the moment and is filtered, and the filtered cooling water can be discharged from the water outlet pipe 8 normally;

when the filter screen 3 is blocked, a person skilled in the art can close the first electromagnetic valve 7 and the second electromagnetic valve 9 and open the third electromagnetic valve 11, at the moment, cooling water can flow through the water pipe 10 and then flow into the filter box 1 through the water outlet pipe 8, namely reversely enter the filter box 1, and then reversely wash the filter screen 3, so that impurities such as plastic filler and the like on the end, close to the water inlet pipe 6, of the filter screen 3 are washed and fall, and at the moment, impurities such as plastic filler and the like on the end, close to the water outlet pipe 8, of the filter screen 3 are filtered out;

the automatic cleaning assembly further comprises a first water outlet 12, the first water outlet 12 is formed in one side of the bottom of the filter tank 1, a first water collecting cover 13 is fixedly arranged on one side of the bottom of the filter tank 1, a first drain pipe 14 is fixedly arranged at the bottom end of the first water collecting cover 13, a fourth electromagnetic valve 15 is arranged on the pipe body of the first drain pipe 14, so that when the filter screen 3 is blocked, a person skilled in the art can open the fourth electromagnetic valve 15, so that backwashed cooling water and impurities such as plastic filler which is washed and falls off from the filter screen 3 are concentrated into the first drain pipe 14 through the first water outlet 12 and the first water collecting cover 13 to be discharged, a second water outlet 16 is formed in the other side of the bottom of the filter tank 1, a second water collecting cover 17 is fixedly arranged on the other side of the bottom of the filter tank 1, a second drain pipe 18 is fixedly arranged at the bottom end of the second water collecting cover 17, and a fifth electromagnetic valve 19 is arranged on the pipe body of the second drain pipe 18;

therefore, after the cooling water performs back flushing operation on the filter screen 3, a person skilled in the art can close the third electromagnetic valve 11 and the fourth electromagnetic valve 15 and open the first electromagnetic valve 7 and the fifth electromagnetic valve 19, so that the cooling water normally enters the filter tank 1 from the water inlet pipe 6, then forward flushing is performed on impurities such as plastic filler filtered out of one end of the filter screen 3 close to the water outlet pipe 8, so that the impurities such as the cooling water and the plastic filler are intensively entered into the second sewage draining pipe 15 through the second water outlet 16 and the second water collecting cover 17 to be drained, then the person skilled in the art closes the fifth electromagnetic valve 19 again and opens the second electromagnetic valve 9, so that the cooling water filtered by the filter screen 3 is continuously normally drained from the water outlet pipe 8;

in summary, when the filter screen 3 is blocked, a person skilled in the art only needs to control the flow direction of the cooling water, so that the blocked filter screen 3 is flushed by the back flow of the cooling water, and the purpose of automatically backwashing the filter screen 3 can be achieved, namely, the utility model can be conveniently cleaned, and is beneficial to the cooling capacity of the cooling equipment;

the filter box 1 is a split type box body which is bilaterally symmetrical, the connecting plates 4 are arranged on the outer sides of the middle part of the filter box 1, a plurality of fixing bolts 5 penetrate between the two connecting plates 4, so that a person skilled in the art can control the separation of the left and right two box bodies of the filter box 1 only by controlling the disassembly and assembly of the fixing bolts 5, the inner side of the middle part of the filter box 1 is provided with an open slot 20, the filter frame 2 is positioned in the two open slots 20, namely, the filter frame 2 is detachable, and then the left end and the right end of the filter box 1 are connected with the water inlet pipe 6 and the water outlet pipe 8 in a flange connection mode, so that the filter box 1 is detachable from the water inlet pipe 6 to the water outlet pipe 8, and the filter screen 3 can be detached later by the person skilled in the art conveniently, namely, the filter screen 3 is convenient to replace and convenient to use.

The above description is only of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims

1. The utility model provides an unpowered automatic filtration back flush device, includes rose box (1), and the department is provided with filter frame (2) in the middle of rose box (1) inside, and filter frame (2) inside is provided with filter screen (3), and rose box (1) one end flange joint has inlet tube (6), and rose box (1) other end flange joint has outlet pipe (8), its characterized in that: the automatic back washing device is characterized by further comprising an automatic cleaning assembly for carrying out unpowered automatic back washing on the filter screen (3), wherein the filter box (1) is of a detachable structure.

2. The unpowered automatic filtration back flushing device of claim 1, wherein: the automatic cleaning assembly comprises a first electromagnetic valve (7) and a second electromagnetic valve (9), wherein the first electromagnetic valve (7) is arranged on the pipe body of the water inlet pipe (6), and the second electromagnetic valve (9) is arranged on the pipe body of the water outlet pipe (8).

3. The unpowered automatic filtration back flushing device of claim 2, wherein: the water inlet pipe (6) pipe body is welded with a water delivery pipe (10), one end, far away from the water inlet pipe (6), of the water delivery pipe (10) is welded on the water outlet pipe (8) pipe body, and the water delivery pipe (10) pipe body is provided with a third electromagnetic valve (11).

4. A non-powered automatic filtration backwash assembly according to claim 3 wherein: the automatic cleaning assembly further comprises a first water outlet (12), the first water outlet (12) is formed in one side of the bottom of the filter tank (1), a first water collecting cover (13) is fixedly mounted on one side of the bottom of the filter tank (1), and a first drain pipe (14) is fixedly mounted at the bottom end of the first water collecting cover (13).

5. The unpowered automatic filtration back flushing device of claim 4, wherein: the filter tank is characterized in that a second water outlet (16) is formed in the other side of the bottom of the filter tank (1), a second water collecting cover (17) is fixedly arranged on the other side of the bottom of the filter tank (1), and a second drain pipe (18) is fixedly arranged at the bottom end of the second water collecting cover (17).

6. The unpowered automatic filtration back flushing device of claim 5, wherein: the first blow-down pipe (14) pipe body is provided with fourth solenoid valve (15), second blow-down pipe (18) pipe body is provided with fifth solenoid valve (19).

7. The unpowered automatic filtration back flushing device of claim 1, wherein: the filter box (1) is a split type box body which is bilaterally symmetrical, connecting plates (4) are arranged on the outer side of the middle of the filter box (1), a plurality of fixing bolts (5) penetrate through the connecting plates (4), open slots (20) are formed in the inner side of the middle of the filter box (1), and the filter frame (2) is located inside the two open slots (20).