CN220696016U

CN220696016U - Filtering device capable of flushing backwashing structure

Info

Publication number: CN220696016U
Application number: CN202322186315.7U
Authority: CN
Inventors: 李虎
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-04-02
Anticipated expiration: 2033-08-15

Abstract

The utility model discloses a filtering device capable of flushing a back flushing structure, which belongs to the technical field of filtering devices and aims to solve the problems that impurities adhere to the inner side of a filter screen when the filter screen is cleaned, so that the solution is polluted to a certain extent along with the reuse of the filter screen, even if a certain back flushing solution adopts a filtering arrangement, the cleaning structure of filtering equipment in the back flushing structure is lacking.

Description

Filtering device capable of flushing backwashing structure

Technical Field

The utility model belongs to the technical field of filtering devices, and particularly relates to the technical field of filtering with a back flushing function.

Background

The filtering device is a device which is relatively common in industrial production, and mainly filters impurities in a solution, thereby achieving the effect of purifying the solution, a certain amount of impurities are adhered to a filter screen in the filtering device after the filter screen is used for a certain period of time, so that the impurities are required to be cleaned, most of the cleaning of the filter screen is performed in a backflushing mode, although the operation can be performed, the filtering structure for cleaning the solution is lacking when the backflushing is performed, the impurities are adhered to the inner side of the filter screen, and then enter the solution along with the reuse of the filter screen, so that certain pollution is caused to the solution, even if the existing backflushing solution adopts the filtering arrangement, the cleaning structure for filtering equipment in the backflushing is lacking, meanwhile, the current filtering structure is easy to cause the filtering speed to be slow in the use process if the filter screen is blocked, so that the discharged flow is influenced, the cleaning is very inconvenient when the condition occurs, and longer time is required to perform the cleaning operation, and therefore, the filtering device capable of flushing the structure is provided.

Disclosure of Invention

The utility model aims at: the utility model provides a can wash filter equipment that back flush structure washed to solve above-mentioned current when wasing the filter screen, impurity can adhere in the inboard of filter screen to enter into the solution along with the reuse of filter screen, thereby cause certain pollution to the solution, even the back flush solution has adopted the filtration setting, but lack the washing structure of the inside filtration equipment of back flush, can appear blocking in the in-process that uses simultaneously, need longer problem of carrying out the washing operation.

The technical scheme adopted by the utility model is as follows:

the utility model provides a can carry out filter equipment who washes to back flush structure, includes the barrel, there is the closing cap on the top of barrel through flange joint, the feed liquor pipe is installed to top one side of barrel, the drain pipe is installed to the side-mounting of closing cap, the main filter screen that sets up inside the barrel and carry out filterable solution of flow through is installed to the bottom of closing cap, be provided with between closing cap and the feed liquor pipe and carry out abluent back flush structure to main filter screen, the drain pipe one that discharges to the sewage that produces when main filter screen washs is installed to the bottom opposite side of barrel.

Further, the bottom of the cylinder is provided with struts, a guide ring is arranged in the cylinder outside the main filter screen, a valve I is arranged on the liquid inlet pipe, and a valve V is arranged on the sewage drain pipe I.

Further, the sealing cover comprises a top cover arranged at the top end of the cylinder body, a connecting ring used for fixing the main filter screen is arranged in the top cover, and a valve IV is arranged on the liquid outlet pipe.

Still further, the back flush structure includes the installation section of thick bamboo, the top threaded connection of installation section of thick bamboo has the apron, the auxiliary filter screen is installed to the bottom of apron, the top of apron is through connecting pipe one and top cap intercommunication setting, the interface between connecting pipe one and the top cap sets up in the top of go-between.

Still further, the bottom of installation section of thick bamboo passes through connecting pipe two and feed liquor pipe intercommunication setting, valve one sets up between connecting pipe two and barrel, install valve three on the connecting pipe two, the bottom setting of connecting pipe two is in the inner chamber below of vice filter screen.

Furthermore, a second blow-off pipe is arranged on the side face of the installation cylinder, and a third valve is arranged on the second blow-off pipe.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

when the main filter screen is required to be cleaned, the solution flows along the first direction of the liquid inlet pipe, the back flushing structure, the sealing cover, the main filter screen, the cylinder body and the blow-off pipe, so that cleaning operation is completed; if the situation that the flow is reduced due to blockage occurs in the using process, the valve IV can be closed, then the pressure is applied to the inside of the cylinder body through the back flushing structure, and the valve V is opened, so that the main filter screen can be flushed, rapid cleaning is realized, and the cleaning time is greatly shortened.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

1-a cylinder; 2-capping; 3-a liquid inlet pipe; 4-a main filter screen; 5-a liquid outlet pipe; 6-back flushing structure; 7-a first sewage discharge pipe; 8-supporting columns; 9-a guide ring; 10-top cover; 11-a connecting ring; 12-valve one; 13-mounting a barrel; 14-cover plate; 16-a secondary filter screen; 17-connecting the pipe I; 18-connecting the pipe II; 19-valve two; 20-a second sewage discharge pipe; 21-valve three; 22-valve IV; 23-valve five.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

As shown in fig. 1 to 2, a filtering device capable of flushing a back flushing structure comprises a barrel 1, wherein a sealing cover 2 is connected to the top end of the barrel 1 through a flange, a liquid inlet pipe 3 is arranged on one side of the top end of the barrel 1, a liquid outlet pipe 5 is arranged on the side surface of the sealing cover 2, a main filter screen 4 which is arranged inside the barrel 1 and used for filtering solution flowing through is arranged at the bottom end of the sealing cover 2, a back flushing structure 6 used for cleaning the main filter screen 4 is arranged between the sealing cover 2 and the liquid inlet pipe 3, a drain pipe 7 used for discharging sewage generated when the main filter screen 4 is cleaned is arranged on the other side of the bottom end of the barrel 1, and the solution to be filtered flows along the directions of the liquid inlet pipe 3, the barrel 1, the main filter screen 4, the sealing cover 2 and the liquid outlet pipe 5, so that filtering operation is performed, and when the main filter screen 4 is required to be cleaned, the solution flows along the directions of the liquid inlet pipe 3, the back flushing structure 6, the main filter screen 4, the barrel 1 and the drain pipe 7, so that cleaning operation is completed, and when the back flushing structure 6 is required to be cleaned, the solution flows along the directions of the liquid inlet pipe 3, the main filter screen 4 and the sealing cover 2 and the drain pipe 6.

The bottom of barrel 1 distributes has pillar 8, and the inside water conservancy diversion ring 9 that is provided with of barrel 1 of main filter screen 4 outside, can prevent from entering into the solution of barrel 1 inside from assaulting main filter screen 4 from this, installs valve one 12 on the feed liquor pipe 3, through opening or closing valve one 12, changes the solution flow direction of the inside feed liquor pipe 3 from this, installs valve five 23 on the blow off pipe one 7, through operating valve five 23, from this comes to control the intercommunication condition of blow off pipe one 7.

The sealing cover 2 comprises a top cover 10 arranged at the top end of the cylinder body 1, a connecting ring 11 used for fixing the main filter screen 4 is arranged in the top cover 10, the main filter screen 4 is fixed on the connecting ring 11 through bolts, the main filter screen 4 is convenient to replace in the later period, a valve four 22 is arranged on the liquid outlet pipe 5, and the valve four 22 is opened and closed, so that the communication condition of the liquid outlet pipe 5 is controlled.

The back flushing structure 6 comprises a mounting cylinder 13, a cover plate 14 is in threaded connection with the top end of the mounting cylinder 13, a secondary filter screen 16 is mounted at the bottom end of the cover plate 14, the top end of the cover plate 14 is communicated with the top cover 10 through a first connecting pipe 17, an interface between the first connecting pipe 17 and the top cover 10 is arranged above the connecting ring 11, and the cover plate 14 is detached, so that the secondary filter screen 16 is convenient to maintain.

The bottom of the installation cylinder 13 is communicated with the liquid inlet pipe 3 through a second connecting pipe 18, a first valve 12 is arranged between the second connecting pipe 18 and the cylinder body 1, a third valve 21 is arranged on the second connecting pipe 18, the bottom of the second connecting pipe 18 is arranged below the inner cavity of the auxiliary filter screen 16, and accordingly the first valve 12, the third valve 21 and the fourth valve 22 are closed, the second valve 19 and the fifth valve 23 are opened, solution can enter the installation cylinder 13 through the second connecting pipe 18 and then filtered by the auxiliary filter screen 16, enter the sealing cover 2 along the first connecting pipe 17, fall onto the main filter screen 4 and finally are discharged from the position of the first drain pipe 7, and therefore the complete cleaning operation of the main filter screen 4 is completed.

A second drain pipe 20 is arranged on the side surface of the mounting cylinder 13, a third valve 21 is arranged on the second drain pipe 20, a fourth valve 19, a fifth valve 22 and a fifth valve 23 are closed, and the first valve 12 and the third valve 21 are opened, so that the solution flows along the directions of the liquid inlet pipe 3, the cylinder body 1, the main filter screen 4, the top cover 10, the first connecting pipe 17, the mounting cylinder 13, the auxiliary filter screen 16 and the second drain pipe 20, and the auxiliary filter screen 16 is cleaned.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a can wash filter equipment that backwash structure washed, includes barrel (1), its characterized in that: the top end of the cylinder body (1) is connected with a sealing cover (2) through a flange, a liquid inlet pipe (3) is arranged on one side of the top end of the cylinder body (1), a liquid outlet pipe (5) is arranged on the side surface of the sealing cover (2), a main filter screen (4) which is arranged in the cylinder body (1) and used for filtering flowing solution is arranged at the bottom end of the sealing cover (2), a back flushing structure (6) for cleaning the main filter screen (4) is arranged between the sealing cover (2) and the liquid inlet pipe (3), and a drain pipe I (7) for discharging sewage generated during cleaning of the main filter screen (4) is arranged on the other side of the bottom end of the cylinder body (1).

2. A filter device capable of flushing a backwash structure according to claim 1 wherein: the bottom of barrel (1) distributes has pillar (8), the outside barrel (1) inside of main filter screen (4) is provided with water conservancy diversion ring (9), install valve five (23) on blow off pipe one (7).

3. A filter device capable of flushing a backwash structure according to claim 1 wherein: the sealing cover (2) comprises a top cover (10) arranged at the top end of the cylinder body (1), a connecting ring (11) used for fixing the main filter screen (4) is arranged in the top cover (10), and a valve IV (22) is arranged on the liquid outlet pipe (5).

4. A filter arrangement capable of flushing a backwash structure according to claim 3, wherein: the back flushing structure (6) comprises a mounting cylinder (13), a cover plate (14) is connected to the top end of the mounting cylinder (13) in a threaded manner, a secondary filter screen (16) is mounted at the bottom end of the cover plate (14), the top end of the cover plate (14) is communicated with the top cover (10) through a first connecting pipe (17), an interface between the first connecting pipe (17) and the top cover (10) is arranged above the connecting ring (11), and a first valve (12) is mounted on the liquid inlet pipe (3).

5. A filter arrangement for enabling flushing of backwash structures as claimed in claim 4 wherein: the bottom of installation section of thick bamboo (13) is through connecting pipe two (18) and feed liquor pipe (3) intercommunication setting, valve one (12) set up between connecting pipe two (18) and barrel (1), install valve three (21) on connecting pipe two (18), the bottom of connecting pipe two (18) sets up in the inner chamber below of vice filter screen (16).

6. A filter arrangement for enabling flushing of backwash structures as set forth in claim 5 wherein: a second blow-down pipe (20) is arranged on the side face of the mounting cylinder (13), and a third valve (21) is arranged on the second blow-down pipe (20).