CN216497794U

CN216497794U - Static pressure water back flush filter equipment

Info

Publication number: CN216497794U
Application number: CN202122628184.4U
Authority: CN
Inventors: 刘嵘; 权红星; 杜建伟; 刘少杰; 孙章应; 李新文; 李东阳; 张秀林; 王建东; 袁月清
Original assignee: Shanxi LuAn Group Yuwu Coal Industry Co Ltd
Current assignee: Shanxi LuAn Group Yuwu Coal Industry Co Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-13
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to a static pressure water backwashing filter device, belonging to the technical field of filter cleaning; the filter comprises a filter cylinder, a filter end cover and a filter element, wherein the filter end cover is connected with the filter cylinder through a flange and a fixing bolt, the filter element is of a cylindrical structure with an opening at one end, filter holes are formed in the outer wall of the filter element, the filter element is inserted into the filter cylinder, and the opening of the filter element is tightly pressed with the filter end cover; a water inlet pipe is arranged at a water inlet joint at the bottom end of the filter cartridge, a water outlet pipe is arranged at a water outlet joint of the filter end cover, a first stop valve and a second stop valve are respectively arranged on the water inlet pipe and the water outlet pipe, the water inlet pipe and the water outlet pipe are connected through a back flush water pipe, a third stop valve is arranged on the back flush water pipe, a sewage discharge water pipe is arranged on the side wall of the filter cartridge, and a sewage discharge stop valve is arranged on the sewage discharge water pipe; the problem of present filter equipment clearance filter core efficiency lower is solved.

Description

Static pressure water back flush filter equipment

Technical Field

The utility model belongs to the technical field of filter cleaning, and particularly relates to a static pressure water backwashing filter device.

Background

When the fully-mechanized mining face is put into operation after being newly installed, hidden troubles exist in the aspects of spraying and cooling water, rust slag and the like in a water pipe are more, static pressure water is not clean, a water supply system is blocked for many times, certain damage is caused to equipment, during initial mining, a water path is cleaned for many times, a self-made filtering device is installed in the static pressure water pipeline of the working face for improving the water supply environment, and impurities in water are preliminarily filtered. But filter equipment is after operation one end time, and debris can be accumulated in the filtration pore department of filter core, leads to filter equipment can't normally carry out the filtration operation, consequently need dismantle filter equipment and clear up the filter core, but dismantlement and clearance process are very loaded down with trivial details, and efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the defects of the prior art and provides a static pressure water backwashing filter device; the problem of present filter equipment clearance filter core efficiency is lower is solved.

In order to achieve the above object, the present invention is achieved by the following technical solutions.

A static pressure water backwashing filter device comprises a filter, wherein the filter comprises a filter cartridge, a filter end cover and a filter element, the filter end cover is connected with the filter cartridge through a flange and a fixing bolt, the filter element is of a cylindrical structure with an opening at one end, filter holes are formed in the outer wall of the filter element, the filter element is inserted into the filter cartridge, and the opening of the filter element is tightly pressed with the filter end cover;

the water inlet joint of the bottom end of the filter cartridge is provided with a water inlet pipe, the water outlet joint of the filter end cover is provided with a water outlet pipe, the water inlet pipe and the water outlet pipe are respectively provided with a first stop valve and a second stop valve, the water inlet pipe and the water outlet pipe are connected through a back flush water pipe, the back flush water pipe is provided with a third stop valve, the side wall of the filter cartridge is provided with a sewage discharge water pipe, and the sewage discharge water pipe is provided with a sewage discharge stop valve.

Furthermore, the cartridge filter is a tubular structure with an opening at one end, a connecting flange is arranged at the opening of the cartridge filter, and the bottom end of the cartridge filter is provided with the water inlet joint.

Further, the inboard bottom of cartridge filter is provided with the filter core bracing piece, the bottom face of filter core bracing piece and cartridge filter parallels and its both ends and the inboard wall fixed connection of cartridge filter, the bottom terminal surface of filter core contacts with the inside filter core bracing piece of cartridge filter.

Further, filter the end cover and include mounting flange and fixed setting in mounting flange one end terminal surface center department the water supply connector, mounting flange is the same with the flange structure, and the one end terminal surface that water supply connector was kept away from to mounting flange and flange one end terminal surface that water supply connector was kept away from respectively are the mating surface, closely the crimping mutually through sealed the pad between two mating surfaces to respectively with mounting flange and flange looks fixed connection with fixing bolt.

Further, the opening of the filter element is positioned at the upper center of the top end face of the filter element, the outer diameter of the opening of the filter element is smaller than that of the filter element, and the outer diameter of the filter element is smaller than the inner diameter of the filter cylinder.

Furthermore, a sealing ring is arranged on the end face between the fixed flange and the filter element, and the sealing ring is sleeved outside the opening of the filter element and is tightly pressed with the end faces of the fixed flange and the filter element, which are provided with openings.

Furthermore, two ends of the backwashing water pipe are respectively connected with the water inlet pipe and the water outlet pipe through three-way joints, and the two three-way joints are respectively arranged at the outer sides of the first stop valve and the second stop valve, namely at the side far away from the filter.

Compared with the prior art, the utility model has the following beneficial effects:

according to the backwashing filter device provided by the utility model, the filter does not need to be disassembled when the filter element is cleaned, and only the valve needs to be adjusted, so that static pressure water enters from the water outlet joint of the filter, the filter element can be reversely washed, impurities accumulated on the filter element can be washed off, and the washed impurities can be directly discharged out of the filter cylinder through the sewage discharge pipe. The whole process only needs the adjustment valve switching can, need not to dismantle the filter again, efficiency is higher, saves time more, and the flow is more simple and convenient.

Drawings

The utility model is described in further detail below with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of the present invention as a whole;

wherein, 1 is a filter cartridge, 2 is a filter end cover, 3 is a filter core, 4 is a connecting flange, 5 is a water inlet joint, 6 is a filter core support rod, 7 is a fixing flange, 8 is a water outlet joint, 9 is a sealing gasket, 10 is a sealing ring, 11 is a water inlet pipe, 12 is a water outlet pipe, 13 is a first stop valve, 14 is a second stop valve, 15 is a back flush water pipe, 16 is a third stop valve, 17 is a sewage discharge pipe, and 18 is a sewage discharge stop valve.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.

As shown in fig. 1, the utility model provides a static pressure water backwashing filter device, which comprises a filter, a water inlet pipe 11, a water outlet pipe 12, a backwashing water pipe 15, a sewage discharge water pipe 17, a first stop valve 13, a second stop valve 14, a third stop valve 16 and a sewage discharge stop valve 18.

The filter comprises a filter cartridge 1, a filter end cover 2 and a filter element 3.

The filter cartridge 1 is a cylindrical structure with an opening at one end, a connecting flange 4 is arranged at the opening of the filter cartridge, a water inlet joint 5 is arranged at the bottom end of the filter cartridge 1, static pressure water can enter the interior of the filter cartridge 1 from the water inlet joint 5, a filter element support rod 6 is arranged at the bottom end of the inner side of the filter cartridge 1, the filter element support rod 6 is parallel to the bottom end surface of the filter cartridge 1, and the two ends of the filter element support rod are fixedly connected with the inner side wall of the filter cartridge 1.

The filtering end cover 2 comprises a fixed flange 7 and a water outlet joint 8 fixedly arranged at the center of the end face of one end of the fixed flange 7, and static pressure water at one end of the fixed flange 7 can be output to the other end of the fixed flange 7 from the water outlet joint 8. The fixing flange 7 and the connecting flange 4 are identical in structure, the end face, far away from the water outlet joint 8, of the fixing flange 7 and the end face, far away from the water inlet joint 5, of the connecting flange 4 are respectively matched end faces, the two matched end faces are tightly pressed and connected through the sealing gasket 9, and the fixing flange 7 and the connecting flange 4 are fixedly connected through fixing bolts.

The filter core 3 is one end open-ended cylindric structure, and the lateral wall and the bottom terminal surface of filter core 3 are provided with the filtration pore, and the opening of filter core 3 is located the top terminal surface of filter core 3 and center department and the 3 open-ended external diameters of filter core are less than the external diameter of filter core 3, the external diameter of filter core 3 is less than the internal diameter of cartridge filter 1.

The filter element 3 is coaxially inserted in the filter cartridge 1, the bottom end face of the filter element 3 is in contact with the filter element support rod 6 in the filter cartridge 1, the opening 3 of the filter element is in close contact with one end, far away from the water outlet joint 5, of the fixing flange 7, and the water outlet joint 8 is located at the opening of the filter element 3.

And a sealing ring 10 is arranged on the end face between the fixed flange 7 and the filter element 3, and the sealing ring 10 is sleeved outside the opening of the filter element 3 and is tightly pressed with the end faces of the fixed flange 7 and the filter element 3 with openings.

The water inlet pipe 11 is connected with the water inlet joint 5 of the filter cartridge 1, the water outlet pipe 12 is connected with the water outlet joint 8 of the filter end cover 2, the first stop valve 13 is arranged on the water inlet pipe 11, and the second stop valve 14 is arranged on the water outlet pipe 12.

Two ends of the backwashing water pipe 15 are respectively connected with the water inlet pipe 11 and the water outlet pipe 12 through three-way joints, and the two three-way joints are respectively arranged at the outer sides of the first stop valve 13 and the second stop valve 14, namely, at the side far away from the filter. The back washing water pipe 15 is provided with a third stop valve 16.

The sewage discharge pipe 17 is arranged on the outer side of the filter cartridge 1, an interface at one end of the sewage discharge pipe is fixedly arranged on the side wall of the filter cartridge 1, the sewage discharge pipe 17 is communicated with the inside of the filter cartridge 1, and a sewage discharge stop valve 18 is arranged on the sewage discharge pipe 17.

The working principle of the utility model is as follows:

when the filter is used for normal filtering, the first stop valve 13 and the second stop valve 14 are opened, the third stop valve 16 and the blowdown stop valve 18 are closed, the static pressure water sequentially enters the filter cartridge 1 from the water inlet pipe 11 and the water inlet connector 5, then enters the filter element 3 through the filter of the filter element 3, and enters the water outlet pipe 12 from the opening of the filter element 3 and the water outlet connector 8 on the filter end cover 2 to complete filtering.

When the filter element 3 is used for a period of time, the filter is prevented from being frequently disassembled and cleaned, the first stop valve 13 and the second stop valve 14 are closed, the third stop valve 16 and the blowdown stop valve 18 are opened, static pressure water sequentially enters the filter element 3 from the water inlet pipe 11, the backwashing water pipe 15, the water outlet pipe 12 and the water outlet joint 8, then enters the filter cartridge 1 outside the filter element 3 from the inside of the filter element 3 through the filter holes, and finally dirty water mixed with impurities is flushed out from the blowdown water pipe 17.

Through the back washing process, sundries accumulated on the filter element 3 can be removed through back washing, the filter does not need to be detached for washing, the service life of the filter is prolonged, and the failure rate of equipment is reduced.

The filter device is arranged at the water outlet of the glue forward and backward static pressure water pipes and the water inlet of the spray pipe at the glue forward and backward conveyor, so that the smooth water use of cooling water and spray water of each device on a working surface and the impurity filtration of the spray water inside and outside the coal mining machine are ensured.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a static pressure water back flush filter equipment which characterized in that: the filter comprises a filter, wherein the filter comprises a filter cylinder (1), a filter end cover (2) and a filter element (3), the filter end cover (2) is connected with the filter cylinder (1) through a flange and a fixing bolt, the filter element (3) is a cylindrical structure with an opening at one end, filter holes are formed in the outer wall of the filter element, the filter element (3) is inserted into the filter cylinder (1), and the opening of the filter element (3) is tightly pressed with the filter end cover (2);

the water filter comprises a filter cartridge (1), and is characterized in that a water inlet pipe (11) is arranged at a water inlet joint (5) at the bottom end of the filter cartridge (1), a water outlet pipe (12) is arranged at a water outlet joint (8) of a filter end cover (2), a first stop valve (13) and a second stop valve (14) are respectively arranged on the water inlet pipe (11) and the water outlet pipe (12), the water inlet pipe (11) and the water outlet pipe (12) are connected through a back flush water pipe (15), a third stop valve (16) is arranged on the back flush water pipe (15), a sewage discharge pipe (17) is arranged on the side wall of the filter cartridge (1), and a sewage discharge stop valve (18) is arranged on the sewage discharge pipe (17).

2. The static pressure water backwash filter device as defined in claim 1, wherein: the filter cartridge (1) is of a cylindrical structure with an opening at one end, a connecting flange (4) is arranged at the opening of the filter cartridge (1), and the water inlet joint (5) is arranged at the bottom end of the filter cartridge (1).

3. The static pressure water backwash filter device as defined in claim 2, wherein: the filter cartridge is characterized in that a filter element support rod (6) is arranged at the bottom end of the inner side of the filter cartridge (1), the filter element support rod (6) is parallel to the bottom end surface of the filter cartridge (1), the two ends of the filter element support rod are fixedly connected with the inner side wall of the filter cartridge (1), and the bottom end surface of the filter element (3) is in contact with the filter element support rod (6) inside the filter cartridge (1).

4. The static pressure water backwash filter device as defined in claim 2, wherein: filter end cover (2) including mounting flange (7) and fixed set up in mounting flange (7) one end terminal surface center department go out water swivel (8), mounting flange (7) are the same with flange (4) structure, and the one end terminal surface that water swivel (8) were kept away from in mounting flange (7) and flange (4) one end terminal surface of keeping away from water swivel (5) are the cooperation terminal surface respectively, closely crimping mutually through sealed pad (9) between two cooperation terminal surfaces to respectively with mounting flange (7) and flange (4) looks fixed connection.

5. The static pressure water backwash filter device as defined in claim 4 wherein: the opening of the filter element (3) is positioned at the center of the top end surface of the filter element (3), the outer diameter of the opening of the filter element (3) is smaller than that of the filter element (3), and the outer diameter of the filter element (3) is smaller than the inner diameter of the filter cartridge (1).

6. The static pressure water backwash filter device as defined in claim 5, wherein: and a sealing ring (10) is arranged on the end face between the fixed flange (7) and the filter element (3), the sealing ring (10) is sleeved outside the opening of the filter element (3), and the sealing ring is tightly pressed with the end faces of the fixed flange (7) and the filter element (3) which are provided with openings.

7. The static pressure water backwash filter device as defined in claim 1, wherein: two ends of the backwashing water pipe (15) are respectively connected with the water inlet pipe (11) and the water outlet pipe (12) through three-way joints, and the two three-way joints are respectively arranged at the outer sides of the first stop valve (13) and the second stop valve (14), namely at one side far away from the filter.