CN216963756U

CN216963756U - Front filter

Info

Publication number: CN216963756U
Application number: CN202123106602.XU
Authority: CN
Inventors: 程旭; 高宪强
Original assignee: Shougang Jingtang United Iron and Steel Co Ltd
Current assignee: Shougang Jingtang United Iron and Steel Co Ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-07-15
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a pre-filter, and belongs to the technical field of filtration. The pre-filter includes: a support cylinder and a plurality of filter element devices; the filter core devices are all arranged in the support cylinder, the filter core devices are sequentially arranged along the radial direction of the support cylinder, the outermost filter core device in the filter core devices is fixedly connected with the support cylinder, every two adjacent filter core devices in the filter core devices are fixedly connected, and a gap is reserved between every two adjacent filter core devices in the filter core devices; the support section of thick bamboo is last to have seted up inlet and liquid outlet, and is a plurality of in the filter core device the most outside the filter core device with the inlet intercommunication, it is a plurality of in the filter core device the most inboard filter core device with the liquid outlet intercommunication. The pre-filter can save space and reduce cost.

Description

Front filter

Technical Field

The utility model relates to the technical field of filtration, in particular to a pre-filter.

Background

In the prior art, the pre-filter only has one filter element, and in order to achieve a certain filtering effect in use, a plurality of pre-filters with different filtering precisions are required to be connected in series for use. However, the plurality of pre-filters with different filtering precisions are connected in series, which not only needs to occupy larger space for installation, but also needs to use more connecting pieces for connection, thereby bringing higher requirements for pipeline sealing and higher requirements for pipeline load capacity, and additionally increasing material cost and construction cost due to the series connection of the plurality of pre-filters.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pre-filter, which solves or partially solves the technical problems that in the prior art, a plurality of pre-filters with different filtering precisions are connected in series, and not only is a larger occupied space required for arrangement, but also the material cost and the construction cost are increased.

In order to solve the above technical problem, the present invention provides a prefilter comprising: a support cylinder and a plurality of filter element devices; the filter core devices are all arranged in the support cylinder, the filter core devices are sequentially arranged along the radial direction of the support cylinder, the outermost filter core device in the filter core devices is fixedly connected with the support cylinder, every two adjacent filter core devices in the filter core devices are fixedly connected, and a gap is reserved between every two adjacent filter core devices in the filter core devices; the support section of thick bamboo is last to have seted up inlet and liquid outlet, and is a plurality of in the filter core device the most outside the filter core device with the inlet intercommunication, it is a plurality of in the filter core device the most inboard filter core device with the liquid outlet intercommunication.

Further, the filter cartridge device comprises: a filter element and a bracket; the filter element is fixedly arranged on the bracket; the bracket of the outermost filter element device in the plurality of filter element devices is fixedly connected with the support cylinder; and the brackets of every two adjacent filter element devices in the plurality of filter element devices are fixedly connected.

Furthermore, a first embedded groove is formed in the support, and the filter element is clamped in the first embedded groove.

Furthermore, a plurality of support columns are fixedly arranged on the inner wall of the support cylinder; the support of the filter element device on the outermost side in the plurality of filter elements is fixedly arranged on the plurality of support columns.

Further, the brackets of every two adjacent filter element devices in the plurality of filter element devices are fixedly connected through a connecting device.

Further, the connecting device includes: a connecting block and a connecting plate; the connecting block and the connecting plate are respectively fixedly connected with the two brackets; the end face of the connecting block facing the connecting plate is provided with a connecting groove; the connecting plate is clamped in the connecting groove.

Further, a plurality of the filter cartridge devices are coaxial.

Further, the support cylinder includes: a housing and an end cap; the end cover is fixedly connected with the shell, and the liquid inlet and the liquid outlet are both arranged on the end cover.

Furthermore, a sealing gasket is fixedly arranged between the end cover and the shell, and a liquid inlet through hole and a liquid outlet through hole are formed in the sealing gasket; the liquid inlet through hole is communicated with the liquid inlet, and the liquid outlet through hole is communicated with the liquid outlet.

Furthermore, a drain pipe is arranged on the end face of the shell, which is far away from the end cover, the drain pipe is communicated with the shell, and a drain valve is arranged on the drain pipe; and a sealing ring is arranged between the sewage discharge pipe and the shell.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

because the plurality of filter core devices are all arranged in the support cylinder, the plurality of filter core devices are sequentially arranged along the radial direction of the support cylinder, the outermost filter core device in the plurality of filter core devices is fixedly connected with the support cylinder, every two adjacent filter core devices in the plurality of filter core devices are fixedly connected, a gap is reserved between every two adjacent filter core devices in the plurality of filter core devices, the support cylinder is provided with a liquid inlet and a liquid outlet, the outermost filter core device in the plurality of filter core devices is communicated with the liquid inlet, and the innermost filter core device in the plurality of filter core devices is communicated with the liquid outlet, when the filtering is required, liquid to be filtered enters the outermost filter core device in the plurality of filter core devices from the liquid inlet, is conveyed to the adjacent filter core devices after being filtered by the outermost filter core device, until the liquid is completely filtered, enters the innermost filter core device in the plurality of filter core devices, and is discharged from the liquid outlet, a plurality of filter core devices are accommodated in one supporting cylinder, so that the space can be saved, and the cost is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a pre-filter according to an embodiment of the present invention;

FIG. 2 is a schematic view of the housing of the pre-filter of FIG. 1;

FIG. 3 is a schematic structural view of an end cap of the pre-filter of FIG. 1;

fig. 4 is a schematic view showing the structure of a gasket of the pre-filter of fig. 1.

Detailed Description

Referring to fig. 1, an embodiment of the present invention provides a prefilter including: a support cylinder 1 and a plurality of filter elements 2.

A plurality of filter core devices 2 all set up in supporting a section of thick bamboo 1, and a plurality of filter core devices 2 are arranged along supporting a section of thick bamboo 1 radially in proper order, and the filter core device in the outside among a plurality of filter core devices 2 with support a section of thick bamboo 1 fixed connection, per two adjacent filter core device fixed connection among a plurality of filter core devices 2, gapped between per two adjacent filter core device among a plurality of filter core devices 2.

The supporting cylinder 1 is provided with a liquid inlet 1-1 and a liquid outlet 1-2, the outermost filter core device of the plurality of filter core devices 2 is communicated with the liquid inlet, and the innermost filter core device of the plurality of filter core devices 2 is communicated with the liquid outlet.

In the embodiment of the application, because the plurality of filter core devices 2 are all arranged in the support cylinder 1, the plurality of filter core devices 2 are sequentially arranged along the radial direction of the support cylinder 1, the outermost filter core device of the plurality of filter core devices 2 is fixedly connected with the support cylinder 1, every two adjacent filter core devices of the plurality of filter core devices 2 are fixedly connected, a gap is formed between every two adjacent filter core devices of the plurality of filter core devices 2, the support cylinder 1 is provided with the liquid inlet 1-1 and the liquid outlet 1-2, the outermost filter core device of the plurality of filter core devices 2 is communicated with the liquid inlet 1-1, and the innermost filter core device of the plurality of filter core devices 2 is communicated with the liquid outlet 1-2, when the liquid to be filtered enters the outermost filter core device of the plurality of filter core devices 2 from the liquid inlet 1-1, and after the liquid is filtered by the outermost filter core device, the liquid is conveyed to the adjacent filter core devices until the liquid is completely filtered, enters the innermost filter core device of the plurality of filter core devices 2, is discharged from the liquid outlets 1-2, and is accommodated in one support cylinder 1, so that the space can be saved, and the cost can be reduced.

In this embodiment, the filtering accuracy of the plurality of filter element devices 2 gradually increases from the outside to the inside, and the filtering effect is ensured. Wherein, the filter core of the filter core device in the outside can adopt the stainless steel net to make among a plurality of filter core devices 2 for block and filter great particulate matter, its filter core with the filter core device can adopt PP cotton etc. to make among a plurality of filter core devices 2, do more carefully filter.

Referring to fig. 2, in particular, the cartridge device 2 comprises: a filter element 2-1 and a bracket 2-2.

The filter element 2-1 is fixedly arranged on the bracket 2-2. In the embodiment, the bracket 2-2 is provided with a first embedded groove, and the filter element 2-1 is clamped in the first embedded groove, so that the filter element 2-1 and the bracket 2-2 are firmly connected.

The bracket 2-2 of the filter element device at the outermost side in the plurality of filter element devices 2 is fixedly connected with the support cylinder 1. In the embodiment, a plurality of support columns 1-3 are fixedly arranged on the inner wall of the support cylinder 1, the support 2-2 of the filter element device 2 at the outermost side of the plurality of filter elements is fixedly arranged on the plurality of support columns 1-3, and the support 2-2 of the filter element device 2 at the outermost side of the plurality of filter elements is supported by the plurality of support columns 1-3. Wherein, a plurality of support columns 1-3 are uniformly arranged on the inner wall of the support cylinder 1 at equal angles and intervals, and a gap is reserved between every two adjacent support columns 1-3, so that sewage can flow out conveniently.

The brackets 2-2 of every two adjacent filter element arrangements 2 of the plurality of filter element arrangements 2 are fixedly connected. In the present embodiment, the brackets 2-2 of every two adjacent filter cartridge devices in the plurality of filter cartridge devices 2 are fixedly connected by the connecting device 3, which facilitates the connection of the brackets 2-2 of every two adjacent filter cartridge devices in the plurality of filter cartridge devices 2.

In the present embodiment, the material of the bracket 2-2 may be rigid plastic.

The connecting device 3 includes: a connecting block 3-1 and a connecting plate 3-2.

The connecting block 3-1 and the connecting plate are respectively fixedly connected with the two brackets 2-2.

The end face of the connecting block 3-1 facing the connecting plate 3-2 is provided with a connecting groove, and the connecting plate 3-2 is clamped in the connecting groove.

When the brackets 2-2 of two adjacent filter element devices are to be installed together, the connecting plates 3-2 are clamped in the connecting grooves, so that the installation is convenient.

Specifically, a plurality of filter element devices 2 are coaxial, ensuring the filtering effect.

Referring to fig. 3 to 4, the support cylinder 1 includes: a shell 1-4 and an end cover 1-5.

The end cover 1-5 is fixedly connected with the shell 1-4. In the embodiment, the end covers 1-5 are in threaded connection with the outer walls of the shells 1-4, so that the disassembly and assembly are convenient. The liquid inlet 1-1 and the liquid outlet 1-2 are both arranged on the end cover 1-5.

In the embodiment, the shells 1-4 can be made of transparent plastic steel, so that the filtering and dirt conditions can be observed conveniently.

A sealing gasket 4 is fixedly arranged between the end cover 1-5 and the shell 1-4, a liquid inlet through hole 4-1 and a liquid outlet through hole 4-2 are formed in the sealing gasket 4, the sealing effect between the end cover 1-5 and the shell 1-4 is guaranteed through the sealing gasket 4, meanwhile, the filter element devices 2 abut against the sealing gasket 4, and the sealing effect between the filter element devices 2 and the end cover 1-5 can also be guaranteed.

In the present embodiment, the material of the gasket 4 may be rubber or polytetrafluoroethylene.

The liquid inlet through hole 4-1 is communicated with the liquid inlet 1-1, and the liquid outlet through hole 4-2 is communicated with the liquid outlet 1-2.

When the liquid is required to be filtered, the liquid to be filtered enters the outermost filter element device in the plurality of filter element devices 2 from the liquid inlet 1-1 and the liquid inlet through hole 4-1, is filtered by the outermost filter element device, is conveyed to the adjacent filter element device until the liquid is completely filtered, enters the innermost filter element device in the plurality of filter element devices 2, and is discharged from the liquid outlet through hole 4-2 and the liquid outlet 1-2.

Specifically, a blow-off pipe 5 is arranged on the end face, away from the end cover, of the shell 1-4, the blow-off pipe 5 is communicated with the shell 1-4, and a blow-off valve 6 is arranged on the blow-off pipe 5. Wherein, when dirt exists in the shell 1-4, the dirt discharge valve 6 is opened, and the dirt is discharged through the dirt discharge pipe 5, so that the cleanness of the shell 1-4 is ensured.

A sealing ring 7 is arranged between the sewage draining pipe 5 and the shell 1-4, and the sealing ring 7 is used for sealing to avoid leakage.

In the present embodiment, the material of the seal ring 7 may be rubber or polytetrafluoroethylene.

Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. A pre-filter, comprising: a support cylinder and a plurality of filter element devices;

the filter core devices are all arranged in the supporting cylinder, the filter core devices are sequentially arranged along the radial direction of the supporting cylinder, the filter core device on the outermost side of the filter core devices is fixedly connected with the supporting cylinder, every two adjacent filter core devices of the filter core devices are fixedly connected, and a gap is reserved between every two adjacent filter core devices of the filter core devices;

the support section of thick bamboo is last to have seted up inlet and liquid outlet, and is a plurality of among the filter core device the outermost filter core device with the inlet intercommunication, it is a plurality of among the filter core device the most inboard filter core device with the liquid outlet intercommunication.

2. The prefilter device of claim 1 wherein said filter cartridge means comprises: a filter element and a bracket;

the filter element is fixedly arranged on the bracket;

the bracket of the outermost filter element device in the plurality of filter element devices is fixedly connected with the support cylinder;

the brackets of every two adjacent filter element devices in the plurality of filter element devices are fixedly connected.

3. The prefilter of claim 2 wherein:

a first embedded groove is formed in the support, and the filter element is clamped in the first embedded groove.

4. The prefilter of claim 2 wherein:

a plurality of support columns are fixedly arranged on the inner wall of the support cylinder;

the support of the filter element device on the outermost side in the plurality of filter elements is fixedly arranged on the plurality of support columns.

5. The prefilter of claim 2 wherein:

the brackets of every two adjacent filter element devices in the plurality of filter element devices are fixedly connected through a connecting device.

6. The prefilter of claim 5 wherein said connecting means comprises: a connecting block and a connecting plate;

the connecting block and the connecting plate are respectively fixedly connected with the two brackets;

the end face of the connecting block facing the connecting plate is provided with a connecting groove;

the connecting plate is clamped in the connecting groove.

7. The prefilter of claim 1 wherein:

a plurality of the filter cartridge devices are coaxial.

8. The pre-filter of claim 1, wherein the support cartridge comprises: a housing and an end cap;

the end cover is fixedly connected with the shell, and the liquid inlet and the liquid outlet are both arranged on the end cover.

9. The prefilter of claim 8 wherein,

a sealing gasket is fixedly arranged between the end cover and the shell, and a liquid inlet through hole and a liquid outlet through hole are formed in the sealing gasket;

the liquid inlet through hole is communicated with the liquid inlet, and the liquid outlet through hole is communicated with the liquid outlet.

10. The prefilter of claim 8 wherein,

a drain pipe is arranged on the end face of the shell, which is far away from the end cover, and is communicated with the shell, and a drain valve is arranged on the drain pipe;

and a sealing ring is arranged between the sewage discharge pipe and the shell.