CN210302687U

CN210302687U - Filter with backwashing function

Info

Publication number: CN210302687U
Application number: CN201921016643.XU
Authority: CN
Inventors: 高地
Original assignee: Sichuan Fengze Water Environment Technology Co ltd
Current assignee: Sichuan Fengze Water Environment Technology Co ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-04-14
Anticipated expiration: 2029-07-02

Abstract

The utility model relates to the technical field of filters, and discloses a filter with a backwashing function, which solves the problems that the manual labor amount is increased and the installation precision of the filter is influenced by frequently disassembling a filter cartridge, and comprises a shell, a filter cartridge and a sealing cover, wherein a first blow-off pipe is welded at the bottom end of the shell, a top plate is fixed at the top end of the shell through a bolt, a support plate is fixed on the inner wall of the bottom end of the shell, a second blow-off pipe is welded and fixed at the bottom end of the support plate, the filter cartridge is fixed between the top plate and the support plate through a bolt, a water inlet pipe is vertically welded and fixed on the top plate, the bottom end of the water inlet pipe extends to the inside of the filter cartridge, a first valve is arranged at the upper end of the water inlet pipe, a branch pipe is welded on the outer wall of one side of the water inlet pipe, a second valve is, the impurities adhered to the inner wall of the filter cylinder can be removed, thereby avoiding the need of frequently disassembling the filter cylinder.

Description

Filter with backwashing function

Technical Field

The utility model relates to a filter technical field especially relates to a from filter of taking backwash function.

Background

The filter is an indispensable device on a medium conveying pipeline, and is usually arranged at the inlet end of a pressure reducing valve, a pressure relief valve, a constant water level valve and other equipment of a squaring filter. After the filter is used for a period of time, a filter cartridge in the filter can be blocked by impurities in liquid, so that the filtering efficiency of the filter is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the filter cartridge is frequently disassembled to increase the amount of manual labor and influence the installation accuracy of the filter, and providing a filter with a backwashing function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a filter with a backwashing function comprises a shell, a filter cylinder and a sealing cover, wherein a first sewage discharge pipe is welded at the bottom end of the shell, a top plate is fixed at the top end of the shell through bolts, a supporting plate is fixed on the inner wall of the bottom end of the shell, a second sewage discharge pipe is welded and fixed at the bottom end of the supporting plate, the filter cylinder is fixed between the top plate and the supporting plate through screws, a water inlet pipe is vertically welded and fixed on the top plate, the bottom end of the water inlet pipe extends into the filter cylinder, a first valve is arranged at the upper end of the water inlet pipe, a branch pipe is welded on the outer wall of one side of the water inlet pipe, a second valve is arranged on the branch pipe, one end of the branch pipe is positioned above the first valve, the other end of the branch pipe extends into the shell, the branch pipe is positioned on the outer side of the filter cylinder, and a water outlet pipe is welded at one side of the lower end of the shell, the threaded pipe is wrapped at the outer side of the filter cylinder, and a spray head is fixed at one side of the threaded pipe close to the filter cylinder.

Preferably, the outer wall of the bottom end of the first sewage draining pipe is fixedly welded with an installation lug plate, and the sealing cover is fixed on the installation lug plate through a bolt.

Preferably, the bottom ends of the first sewage draining pipe and the second sewage draining pipe are attached to the sealing cover, and a sealing ring is arranged between the bottom ends of the first sewage draining pipe and the second sewage draining pipe and the sealing cover.

Preferably, the second drain pipe communicates with the inside of the filter cartridge.

Preferably, the end surfaces of the water inlet pipe and the water outlet pipe are welded with connecting flanges.

Preferably, the support plate is provided with through holes, the number of the through holes is twenty to fifty, and the through holes are uniformly distributed on the support plate.

The utility model has the advantages that:

through regularly closing first valve, and open the second valve, make liquid carry out the screwed pipe through the branch pipe to spray rinsing is strained to straining a section of thick bamboo by the shower nozzle on the screwed pipe, make the impurity that adheres at straining a section of thick bamboo inner wall drop, thereby has avoided often dismantling straining a section of thick bamboo.

Drawings

Fig. 1 is a schematic structural diagram of a filter with a backwashing function provided by the present invention;

fig. 2 is a schematic structural diagram of a support plate in a filter with a backwashing function according to the present invention.

In the figure: the device comprises a shell 1, a first drain pipe 2, a mounting lug plate 3, a sealing cover 4, a top plate 5, a water inlet pipe 6, a first valve 7, a branch pipe 8, a second valve 9, a threaded pipe 10, a spray head 11, a filter cartridge 12, a water outlet pipe 13, a support plate 14, a second drain pipe 15 and a through hole 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a filter with a backwashing function comprises a shell 1, a filter cylinder 12 and a sealing cover 4, wherein a first drain pipe 2 is welded at the bottom end of the shell 1, a top plate 5 is fixed at the top end of the shell 1 through a bolt, a supporting plate 14 is fixed on the inner wall of the bottom end of the shell 1 in a welding manner, through holes 16 are formed in the supporting plate 14, the number of the through holes 16 is twenty to fifty, the through holes 16 are uniformly distributed on the supporting plate 14, so that impurities can flow out conveniently, a second drain pipe 15 is fixed at the bottom end of the supporting plate 14 in a welding manner, the filter cylinder 12 is fixed between the top plate 5 and the supporting plate 14 in a screwing manner, a water inlet pipe 6 is vertically fixed on the top plate 5 in a welding manner, the bottom end of the water inlet pipe 6 extends to the interior of the filter cylinder 12, a first valve 7 is arranged at the upper end of the water inlet, the branch pipe 8 is provided with a second valve 9, the upper end of the branch pipe 8 is located above the first valve 7, the other end of the branch pipe 8 extends into the shell 1, the branch pipe 8 is located on the outer side of the filter cylinder 12, a threaded pipe 10 is welded and fixed on the inner wall of the shell 1, a water outlet pipe 13 is welded on one side of the lower end of the shell 1, the threaded pipe 10 is wrapped on the outer side of the filter cylinder 12, and a spray head 11 is fixed on one side, close to the filter cylinder 12, of the threaded pipe 10.

Further, welded fastening has installation otic placode 3 on the bottom outer wall of first blow off pipe 2, and closing cap 4 passes through the bolt fastening on installation otic placode 3, and first blow off pipe 2 all laminates with closing cap 4 with the bottom of second blow off pipe 15, and all is provided with the sealing washer between the bottom of first blow off pipe 2 and second blow off pipe 15 and closing cap 4.

Further, a second soil pipe 15 is communicated with the inside of the filter cartridge 12.

Furthermore, the end surfaces of the water inlet pipe 6 and the water outlet pipe 13 are both welded with connecting flanges, so that the filter is convenient to mount.

In this embodiment, when filtering liquid, open first valve 7, and close second valve 9, inside liquid got into a section of thick bamboo 12 through inlet tube 6, flow through outlet pipe 13 after filtering through a section of thick bamboo 12, when needs go on removing the impurity to a section of thick bamboo 12, close first valve 7, and open second valve 9, make liquid carry out screwed pipe 10 through branch pipe 8, and spray rinsing a section of thick bamboo 12 by shower nozzle 11 on the screwed pipe 10, make the impurity that adheres at a section of thick bamboo 12 inner wall drop, thereby avoided needing often to strain a section of thick bamboo 12 and dismantled, and improved filtration efficiency, and can clear up the impurity of inside through dismantling shrouding 4.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A filter with a backwashing function comprises a shell (1), a filter cylinder (12) and a sealing cover (4), and is characterized in that a first drain pipe (2) is welded at the bottom end of the shell (1), a top plate (5) is fixed at the top end of the shell (1) through bolts, a support plate (14) is fixed on the inner wall of the bottom end of the shell (1), a second drain pipe (15) is welded and fixed at the bottom end of the support plate (14), the filter cylinder (12) is fixed between the top plate (5) and the support plate (14) through bolts, a water inlet pipe (6) is vertically welded and fixed on the top plate (5), the bottom end of the water inlet pipe (6) extends into the filter cylinder (12), a first valve (7) is arranged at the upper end of the water inlet pipe (6), a branch pipe (8) is welded on the outer wall of one side of the water inlet pipe (6), and a second valve (9) is arranged on the branch pipe, and one end of the branch pipe (8) is positioned above the first valve (7), the other end of the branch pipe (8) extends to the inside of the shell (1), the branch pipe (8) is positioned on the outer side of the filter cylinder (12), a threaded pipe (10) is welded and fixed on the inner wall of the shell (1), a water outlet pipe (13) is welded on one side of the lower end of the shell (1), the threaded pipe (10) is wrapped on the outer side of the filter cylinder (12), and a spray head (11) is fixed on one side, close to the filter cylinder (12), of the threaded pipe (10).

2. The filter with the backwashing function as claimed in claim 1, wherein a mounting lug plate (3) is welded and fixed on the outer wall of the bottom end of the first sewage draining pipe (2), and the cover (4) is fixed on the mounting lug plate (3) through bolts.

3. The filter with the backwashing function as recited in claim 1, wherein the bottom ends of the first sewage discharge pipe (2) and the second sewage discharge pipe (15) are both attached to the cover (4), and a sealing ring is disposed between the bottom ends of the first sewage discharge pipe (2) and the second sewage discharge pipe (15) and the cover (4).

4. A filter with self-backwashing function according to claim 1, wherein said second sewage drain (15) communicates with the interior of said filter cartridge (12).

5. The filter with the backwashing function as claimed in claim 1, wherein the end surfaces of the water inlet pipe (6) and the water outlet pipe (13) are welded with connecting flanges.

6. The filter with the backwashing function as recited in claim 1, wherein the support plate (14) is provided with through holes (16), the number of the through holes (16) is twenty to fifty, and the through holes (16) are uniformly distributed on the support plate (14).