CN219209212U

CN219209212U - Tube type back flushing filter

Info

Publication number: CN219209212U
Application number: CN202222843730.0U
Authority: CN
Inventors: 郭江涛; 任俊豪; 李云
Original assignee: Xinxiang Lifeierte Filter Co ltd
Current assignee: Xinxiang Lifeierte Filter Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-06-20
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a tubular back flush filter, and relates to the technical field of filtering equipment. The utility model comprises a supporting ring, a bottom cover, a shell, a connecting pipe and a conveying pipe, wherein the bottom cover is fixed in the supporting ring, the shell is connected with the inner thread of the bottom cover, a screw barrel is fixedly communicated with the center of the top of the shell, the conveying pipe is connected with the inner thread of the screw barrel, a filter element is arranged in the bottom cover, a connecting disk is fixedly arranged at the top of the filter element, a screw hole is formed in the center of the top of the connecting disk in a penetrating manner, the lower part of the conveying pipe is connected in the screw hole in a threaded manner, a limiting disk is fixedly arranged on the peripheral side of the conveying pipe at the top of the connecting disk, and the connecting pipe is fixedly communicated with the center of the bottom cover. The utility model solves the problems that the initial filtering surface is not completely washed by the back flushing filter and the filter core is impacted in multiple directions, which can generate looseness to cause the influence on the filtering, by arranging the supporting ring, the bottom cover, the shell, the connecting pipe and the conveying pipe.

Description

Tube type back flushing filter

Technical Field

The utility model belongs to the technical field of filtering equipment, and particularly relates to a tubular back flush filter.

Background

The back flush filter has the functions of precise filtration, ultra-volume filtration area design, automatic filter screen cleaning, automatic pollution discharge and the like, and provides an efficient and stable working environment for various system filtration, and the inner surface of the filter element can be flushed in the working process of the back flush filter, so that the service life of the filter element is greatly prolonged, but the following defects still exist in the actual use:

when the back flushing filter is directly back flushed, the whole filter element is correspondingly flushed, the time is short, the pressure is low when the high-pressure liquid is flushed to the position from which the impurities are finally led out, but the position from which the impurities are led out is often the position from which the liquid to be filtered is input, and the flushed impurities directly return to the filtering position after repeated work, so that incomplete flushing can be caused, and the filtering capacity of the filter element is fast in attenuation;

the filter core is limited by the back flushing filter directly by adopting the common filter core, but the back flushing filter core has longer core replacing period, and under repeated liquid impact in different directions, the filter core is continuously stressed by forces in different directions, so that the filter core can be loosened, the filtering is incomplete during the filtering, and the filtering precision is influenced.

Disclosure of Invention

The utility model aims to provide a tubular back flush filter, which solves the problems that the back flush filter is incomplete in flushing the initial filtering surface and the filter core is subjected to multidirectional impact and can be loosened to cause the influence on the filtering by arranging a support ring, a bottom cover, a shell, a connecting pipe and a conveying pipe.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a tubular back flushing filter which comprises a supporting ring, a bottom cover, a shell, a connecting pipe and a conveying pipe, wherein the bottom cover is fixed in the supporting ring, the shell is connected with the bottom cover in an internal thread manner, a screw cylinder is fixedly communicated with the center of the top of the shell, the conveying pipe is connected with the internal thread of the screw cylinder, a filter element is arranged in the bottom cover, a connecting disc is fixedly arranged at the top of the filter element, a screw hole is formed in the center of the top of the connecting disc in a penetrating manner, the lower part of the conveying pipe is in threaded connection with the screw hole, a limiting disc is fixedly arranged at the periphery of the conveying pipe at the top of the connecting disc, and the connecting pipe is fixedly communicated with the center of the bottom cover.

Further, the outer side of the bottom cover at the bottom of the supporting ring is fixed with supporting legs in an annular array, and the supporting ring is supported on the ground through the supporting legs.

Further, a limiting ring is fixed at the center of the bottom in the bottom cover, the filter element is movably connected in the limiting ring, a conveying hole is formed in the center of the bottom cover, which penetrates through the filter element, and the bottom cover is movably connected with the filter element through the limiting ring.

Further, the first external screw thread has been seted up to the week side lower part of shell, the centre of shell week side is annular array and is fixed with the connecting rod, the fixed intercommunication in shell top of spiral shell section of thick bamboo one side has the output tube, and the liquid after filtering in the output tube will the shell is derived.

Further, the upper part of the periphery side of the connecting pipe is fixedly communicated with an input pipe, a control valve is fixed at one end part of the connecting pipe far away from the bottom cover, and the connecting pipe guides liquid to be filtered into the connecting pipe through the input pipe and then guides the liquid to a conveying hole in the filter element.

Further, a fixing nut is fixed on the peripheral side of the conveying pipe above the screw cylinder, a second external thread is arranged on the peripheral side of the conveying pipe below the fixing nut, a top valve is fixed on the conveying pipe above the fixing nut, and the screw cylinder changes the relative position of the screw cylinder and the corresponding conveying pipe through rotation of the fixing nut.

The utility model has the following beneficial effects:

according to the utility model, the problem that the back flushing filter is incomplete in flushing the initial filtering surface is solved by arranging the support ring, the bottom cover, the shell, the connecting pipe and the conveying pipe, when back flushing is needed, the liquid conveying device is closed, so that the liquid to be filtered is stopped from being conveyed in the input pipe, the control valve is firstly opened, the filtered liquid in the shell is firstly guided to the connecting pipe from the conveying hole in the filter element, then the top valve is opened, the liquid for back flushing is directly guided to the conveying hole in the filter element through the conveying pipe, the filtered liquid in the shell is then guided to the conveying hole from the filter element and then guided to the connecting pipe, and is guided out through the connecting pipe, so that impurities in the conveying hole are flushed out due to filtration in the filter element, the initial filtering surface of the filter element is directly connected through the high-pressure flushing filter, the flushing of the initial filtering surface is more complete, and the filtering effect of the filter can be recovered to the maximum extent.

According to the utility model, the problem that the filtration is affected due to the fact that the filter element of the backwash filter is possibly loosened due to multidirectional impact is solved by arranging the supporting ring, the bottom of the filter element is clamped into the limiting ring in the bottom cover, the shell is placed above the filter element, the bottom of the shell is contacted with the bottom cover, the connecting rod is rotated to drive the shell to rotate, the shell is screwed into the bottom cover through the first external threads, the filter element is contained in a cavity formed by the bottom cover and the shell, the connecting pipe is driven to rotate through the fixing nut rotated by the spanner, when the connecting pipe rotates, the conveying pipe rotates downwards, the bottom end of the conveying pipe enters the screw hole through rotation when contacting the screw hole on the connecting disc, the limiting disc contacts the top of the filter element and is fastened, the filter element is limited in the cavity between the shell and the bottom cover, the influence of different impacts received in the working process on the position of the filter element is smaller, and the possibility of loosening the filter element is smaller when the filter element is used.

Drawings

FIG. 1 is a perspective view of an assembled structure of the present utility model;

FIG. 2 is a perspective view of the support ring structure of the present utility model;

FIG. 3 is a perspective view of the bottom cover structure of the present utility model;

FIG. 4 is a bottom perspective view of the bottom cover of the present utility model;

FIG. 5 is a perspective view of the housing structure of the present utility model;

FIG. 6 is a perspective view of a connecting tube structure according to the present utility model;

fig. 7 is a perspective view of the structure of the conveying pipe of the present utility model.

Reference numerals:

100. a support ring; 101. support legs; 200. a bottom cover; 201. a confinement ring; 202. a filter element; 203. a delivery hole; 204. a connecting disc; 205. a screw hole; 300. a housing; 301. a first external thread; 302. a connecting rod; 303. a screw cylinder; 304. an output pipe; 400. a connecting pipe; 401. an input tube; 402. a control valve; 500. a delivery tube; 501. a second external thread; 502. a restriction plate; 503. a fixing nut; 504. and a top valve.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-7, the utility model discloses a tubular backwash filter, which comprises a support ring 100, a bottom cover 200, a shell 300, a connecting pipe 400 and a conveying pipe 500, wherein the support ring 100 is internally fixed with the bottom cover 200, the support ring 100 supports the bottom cover 200 thereon, the bottom cover 200 connects the shell 300 inside the filter core 202 and seals the bottom of the shell 300, the shell 300 is internally connected with the shell 300 in a threaded manner, the filter core 202 is sealed in the shell, a screw 303 is fixedly communicated with the top center of the shell 300, the screw 303 is connected with the conveying pipe 500 in a threaded manner, the screw 303 is sealed at the top of the shell 300, the conveying pipe 500 is connected with the conveying pipe 500 in a threaded manner, liquid for cleaning the filter core 202 is conveyed into a conveying hole 203 in the filter core 202, the filter core 202 is internally provided with the filter core 202, the filter core 202 is filtered and then guided into the shell 300 outside the filter core 202, a screw 204 is fixedly arranged at the top of the filter core 202, when the filter core 204 contacts the filter core 204, the filter core 202 is limited in a cavity formed between the shell 202 and the shell 300, a central 205 is penetrated through the top 205, the connecting pipe 205 is fixedly connected with the connecting pipe 204 at the bottom of the filter core 300, the inner side of the connecting pipe 500 is tightly pressed down in the connecting pipe 500, and the connecting pipe is tightly contacted with the inner side of the connecting pipe 500, and the connecting pipe is tightly connected with the connecting pipe 204, and the inner side of the connecting pipe 500 is tightly screwed with the connecting pipe 500, and the connecting pipe is tightly connected with the connecting pipe 500, and the connecting pipe has a connecting pipe 200.

As shown in fig. 1 and 2, support legs 101 are fixed to the outer side of a bottom cover 200 at the bottom of the support ring 100 in an annular array, and the support ring 100 is supported on the ground by the support legs 101.

As shown in fig. 1, 3 and 4, a limiting ring 201 is fixed at the center of the bottom in the bottom cover 200, the bottom cover 200 limits the filter element 202 therein through the limiting ring 201, the filter element 202 is movably connected in the limiting ring 201, a conveying hole 203 is formed through the filter element 202 at the center of the bottom cover 200, the bottom cover 200 guides the liquid in the connecting pipe 400 onto the bottom cover 200 through the conveying hole 203, and then guides the liquid into the filter element 202, and after the liquid is filtered by the filter element 202, the liquid is guided into the housing 300.

As shown in fig. 1 and 5, a first external thread 301 is provided at the lower part of the peripheral side of the housing 300, the housing 300 is in threaded connection with the bottom cover 200 through the first external thread 301, the bottom cover 200 and the housing 300 are connected together, a connecting rod 302 is fixed in an annular array in the middle of the peripheral side of the housing 300, the connecting rod 302 is rotated, the housing 300 is rotated in the bottom cover 200, the housing 300 is separated from the bottom cover 200, an output pipe 304 is fixedly connected to the top of the housing 300 at one side of the screw tube 303, and filtered liquid in the housing 300 is led out through the output pipe 304.

As shown in fig. 1 and 6, an input pipe 401 is fixedly connected to the upper part of the periphery of the connecting pipe 400, the connecting pipe 400 guides the liquid to be filtered into the filter element 202 in the bottom cover 200 through the input pipe 401, a control valve 402 is fixed to one end part of the connecting pipe 400 far away from the bottom cover 200, and the liquid is led out from the connecting pipe 400 by closing a device for guiding the liquid and opening the control valve 402.

As shown in fig. 1 and 7, a fixing nut 503 is fixed on the peripheral side of the conveying pipe 500 above the screw cylinder 303, a second external thread 501 is provided on the peripheral side of the conveying pipe 500 below the fixing nut 503, and by rotating the fixing nut 503, the screw cylinder 303 and the conveying pipe 500 are in threaded connection through the second external thread 501, so that the conveying pipe 500 moves up and down on the upper portion of the housing 300, a top valve 504 is fixed on the conveying pipe 500 above the fixing nut 503, and the conveying pipe 500 controls the on-off of the liquid conveying in the backwash filter element 202 through the top valve 504.

The specific working principle of the utility model is as follows: in use, a plurality of support rings 100 are placed on the ground side by side through support legs 101, then the bottom of a filter element 202 is clamped into a limiting ring 201 in a bottom cover 200, a shell 300 is placed above the filter element 202, the bottom of the shell 300 is contacted with the bottom cover 200, then a connecting rod 302 is rotated to drive the shell 300 to rotate, the shell 300 is screwed into the bottom cover 200 through a first external thread 301, the filter element 202 is accommodated in a cavity formed by the bottom cover 200 and the shell 300, then a fixing nut 503 is rotated through a spanner, a conveying pipe 500 is driven to rotate, when the conveying pipe 500 rotates, the conveying pipe 500 is connected with a screw 303 through a second external thread 501 on the periphery side of the conveying pipe 500 in a threaded manner, when the bottom end of the conveying pipe 500 contacts a screw 205 on a connecting disc 204, the bottom end of the conveying pipe 500 enters the screw 205 through rotation, the limiting disc 502 contacts the top of the filter element 202, and after fastening, the filter element 202 is limited in the cavity between the shell 300 and the bottom cover 200, the liquid conveying pipeline is communicated with the input pipes 401 in parallel, the liquid to be filtered is led into the connecting pipe 400 through the input pipes 401, then is led into the bottom cover 200 and the conveying holes 203 in the filter element 202 through the connecting pipe 400, the liquid to be filtered enters the filter element 202, is filtered by the filter element 202, enters the space between the shell 300 and the filter element 202 and is led out by the output pipe 304, when back flushing is required, the liquid conveying device is closed, the liquid to be filtered is stopped from being conveyed in the input pipes 401, the control valve 402 is firstly opened, the liquid to be filtered in the shell 300 is led out from the conveying holes 203 in the filter element 202 into the connecting pipe 400, the top valve 504 is opened, the liquid to be filtered in the shell 300 is led into the conveying holes 203 in the filter element 202 through the conveying pipe 500 directly, the liquid to be filtered in the shell 300 is led out from the filter element 202 into the conveying holes 203, and then led into the connection pipe 400, and led out through the connection pipe 400, so that impurities in the filter element 202, which are left in the delivery holes 203 for filtering, are washed away.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims

1. The utility model provides a shell and tube back flush filter, includes support ring (100), bottom (200), shell (300), connecting pipe (400) and conveyer pipe (500), its characterized in that: the utility model discloses a filter cartridge, including support ring (100), bottom, connecting disc (204), shell (300) are fixed to support ring (100), threaded connection has shell (300) in bottom (200), the fixed intercommunication in top central authorities of shell (300) has screw shell (303), threaded connection has conveyer pipe (500) in screw shell (303), be provided with filter core (202) in bottom (200), the top of filter core (202) is fixed with connecting disc (204), screw (205) have been seted up in the top central authorities link up of connecting disc (204), conveyer pipe (500) lower part threaded connection is in screw (205), conveyer pipe (500) week side at connecting disc (204) top is fixed with limiting disc (502), the fixed intercommunication in bottom central authorities of bottom (200) has connecting pipe (400).

2. A shell and tube backwash filter as claimed in claim 1 wherein: the outer side of a bottom cover (200) at the bottom of the supporting ring (100) is fixedly provided with supporting legs (101) in an annular array.

3. A shell and tube backwash filter as claimed in claim 1 wherein: the filter is characterized in that a limiting ring (201) is fixed in the center of the bottom in the bottom cover (200), the filter element (202) is movably connected in the limiting ring (201), and a conveying hole (203) is formed in the center of the bottom cover (200) and penetrates through the filter element (202).

4. A shell and tube backwash filter as claimed in claim 1 wherein: the lower part of the peripheral side of the shell (300) is provided with a first external thread (301), the middle of the peripheral side of the shell (300) is fixed with a connecting rod (302) in an annular array, and the top of the shell (300) on one side of the screw cylinder (303) is fixedly communicated with an output pipe (304).

5. A shell and tube backwash filter as claimed in claim 1 wherein: an input pipe (401) is fixedly communicated with the upper part of the periphery side of the connecting pipe (400), and a control valve (402) is fixedly arranged at one end part of the connecting pipe (400) far away from the bottom cover (200).

6. A shell and tube backwash filter as claimed in claim 1 wherein: the screw is characterized in that a fixing nut (503) is fixed on the periphery of the conveying pipe (500) above the screw cylinder (303), a second external thread (501) is arranged on the periphery of the conveying pipe (500) below the fixing nut (503), and a top valve (504) is fixed on the conveying pipe (500) above the fixing nut (503).