CN215692391U

CN215692391U - Multi-layer net sintered filter element

Info

Publication number: CN215692391U
Application number: CN202122174556.0U
Authority: CN
Inventors: 庞潇锋
Original assignee: Tiantai County Yongsheng Filter Co ltd
Current assignee: Tiantai County Yongsheng Filter Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-01
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a multi-layer mesh sintering filter element, which comprises a framework main body, wherein first positioning blocks are arranged at two ends of the framework main body, a first inner threaded groove is formed in the inner wall of the upper end of the framework main body, a filtering layer is arranged on the outer layer of the framework main body, second positioning blocks are arranged at two ends of the filtering layer, the upper end of the framework main body is connected with an upper cover plate, a first groove is formed in the bottom surface of the upper cover plate, a second groove is formed in the inner side of the first groove, a through groove is formed in the inner side of the second groove, a second inner threaded groove is formed in the inner wall of the through groove, and the lower end of the framework main body is connected with a lower cover plate. This multilayer net sintering filter core through the first filter screen that sets up twill net structure with set to mat line net structure second filter screen and third filter screen to with three filter screens of group sintering in the vacuum furnace and form integrative compound sintering net, can reach the purpose that improves this device filter fineness.

Description

Multi-layer net sintered filter element

Technical Field

The utility model relates to the technical field of sintered filter elements, in particular to a multi-layer mesh sintered filter element.

Background

The sintered filter element is a novel filtering material which is formed by sintering a plurality of layers of metal sintering nets, adopting a plurality of layers of stainless steel nets, pressing the stainless steel nets through special lamination and sintering the stainless steel nets in vacuum and has higher strength and integral rigidity, and meshes of each layer of the wire nets are mutually staggered to form an ideal filtering structure, thereby being widely applied to various fields of petroleum chemical fibers, medicines and the like.

The prior art has the following defects or problems:

1. the sintered filter element in the current market is easy to have the phenomenon of filter hole blockage on the filter element when in use, so that the filter effect of the device is reduced, and the device has lower filter precision and cannot well play the expected filter effect;

2. the sintering filter element in the existing market has lower structural strength, and when the device works in a high-pressure environment, the situation of structural deformation is easy to occur under the continuous impact of fluid, so that the normal use of the device is influenced, and unnecessary economic loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-layer mesh sintered filter element aiming at the defects of the prior art, and aims to solve the problems of poor filtering effect and low structural strength of a device of the traditional sintered filter element in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: multilayer net sintering filter core, including the skeleton main part, the both ends of skeleton main part are provided with first locating piece, and have seted up first internal thread groove on the inner wall of skeleton main part upper end, the skin of skeleton main part is provided with the filter layer, and the both ends of filter layer are provided with the second locating piece, the upper end of skeleton main part is connected with the upper cover plate, and the bottom surface of upper cover plate has seted up first recess, the second recess has been seted up to the inboard of first recess, and the logical groove has been seted up to the inboard of second recess, set up second internal thread groove on the inner wall that leads to the groove, and the lower extreme of skeleton main part is connected with down the apron, the third recess has been seted up to the upper surface of lower apron, and the fourth recess has been seted up to one side of third recess, the top of upper cover plate is connected with the connecting piece, and the outer thread groove has been seted up to the lower extreme of connecting piece.

As a preferable technical scheme of the utility model, the filter layer comprises a protective layer, a first filter screen, a second filter screen and a third filter screen, and the first filter screen, the second filter screen and the third filter screen are sintered in a vacuum furnace to form an integrated composite sintering screen.

As a preferable technical scheme of the present invention, the first filter screen is a twill screen structure formed by weaving metal wires, the second filter screen and the third filter screen are a basket screen structure formed by weaving metal wires, and the diameter of the filter holes of the second filter screen is slightly larger than that of the filter holes of the third filter screen.

As a preferable technical solution of the present invention, the size of the first positioning block is matched with the size of the second groove, and the size of the second positioning block is matched with the size of the first groove.

As a preferred technical scheme of the utility model, the framework main body and the filter layer are fixedly connected with the upper cover plate and the lower cover plate in a welding mode, and the framework main body is a grid cylinder with uniform holes.

As a preferable technical scheme of the utility model, the inner diameter of the through groove is the same as that of the framework main body, and the outer diameter of the lower end of the connecting piece is matched with that of the through groove.

Compared with the prior art, the utility model provides a multi-layer mesh sintered filter element, which has the following beneficial effects:

1. according to the multilayer net sintered filter element, the first filter net is set into a twill net structure, the second filter net and the third filter net are set into a basket net structure, and the first filter net, the second filter net and the third filter net are sintered in the vacuum furnace to form an integrated composite sintered net, so that the filtering precision of the multilayer net sintered filter element can be improved to a great extent;

2. this multilayer net sintering filter core, the skeleton main part of making through the inlayer at the filter layer sets up stainless steel material, the intensity and the compressive capacity that come reinforcing means, set the outmost stainless steel inoxidizing coating that intensity is higher with the filter layer simultaneously, with the first filter screen of avoiding the wire to weave, second filter screen and third filter screen suffer the punching press and take place deformation, adopt welded mode simultaneously with the filter layer, skeleton main part and upper cover plate, apron fixed connection is in the same place down, can make the device more firm, can effectually solve traditional sintering filter core through this design, the lower problem of device structural strength who exists.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a filter layer according to the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic view of the upper cover plate structure of the present invention.

In the figure: 1. a skeleton body; 2. a first positioning block; 3. a first internally threaded groove; 4. a filter layer; 5. a second positioning block; 6. an upper cover plate; 7. a first groove; 8. a second groove; 9. a through groove; 10. a second internally threaded groove; 11. a lower cover plate; 12. a third groove; 13. a fourth groove; 14. a connecting member; 15. an outer thread groove; 16. a protective layer; 17. a first filter screen; 18. a second filter screen; 19. and a third filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: a multi-layer net sintering filter element comprises a framework main body 1, wherein two ends of the framework main body 1 are provided with first positioning blocks 2, and the inner wall of the upper end of the framework main body 1 is provided with a first inner thread groove 3, the outer layer of the framework main body 1 is provided with a filter layer 4, and the two ends of the filter layer 4 are provided with second positioning blocks 5, the upper end of the framework main body 1 is connected with an upper cover plate 6, and the bottom surface of the upper cover plate 6 is provided with a first groove 7, the inner side of the first groove 7 is provided with a second groove 8, and the inner side of the second groove 8 is provided with a through groove 9, the inner wall of the through groove 9 is provided with a second inner thread groove 10, and the lower end of the framework main body 1 is connected with a lower cover plate 11, the upper surface of the lower cover plate 11 is provided with a third groove 12, and a fourth groove 13 is formed at one side of the third groove 12, a connecting member 14 is connected above the upper cover plate 6, and an external thread groove 15 is formed at the lower end of the connecting member 14.

In this embodiment, the filter layer 4 includes a protective layer 16, a first filter 17, a second filter 18 and a third filter 19, and the first filter 17, the second filter 18 and the third filter 19 are sintered in a vacuum furnace to form an integrated composite sintered mesh, so as to improve the filtering effect of the device; the first filter screen 17 is a twill screen structure formed by weaving metal wires, the second filter screen 18 and the third filter screen 19 are a basket screen structure formed by weaving metal wires, and the diameter of the filter holes of the second filter screen 18 is slightly larger than that of the filter holes of the third filter screen 19, so that the filter layer 4 is prevented from being blocked; the size of the first positioning block 2 is matched with that of the second groove 8, and the size of the second positioning block 5 is matched with that of the first groove 7, so that the upper cover plate 6 and the filter layer 4 can be welded conveniently; the framework main body 1 and the filter layer 4 are fixedly connected with the upper cover plate 6 and the lower cover plate 11 in a welding mode, and the framework main body 1 is a grid cylinder with uniform holes, so that the structural strength of the device can be improved; the inner diameter of the through groove 9 is the same as that of the framework main body 1, and the outer diameter of the lower end of the connecting piece 14 is matched with that of the through groove 9, so that the connecting piece 14 can be connected and fixed conveniently.

The working principle and the using process of the utility model are as follows: according to the utility model, the first positioning blocks 2 are arranged at two ends of the framework main body 1, the second positioning blocks 5 are arranged at two ends of the filter layer 4, so that the positioning welding of the upper cover plate 6 and the lower cover plate 11 can be facilitated, the first filter screen 17 with the twill-net structure, the second filter screen 18 with the mat-line-net structure and the third filter screen 19 are sintered in the vacuum furnace to form an integrated composite sintering net, the filtering precision of the utility model can be greatly improved, meanwhile, the phenomenon of filter hole blockage can be avoided by adopting a layered filtering mode, and the framework main body 1 arranged at the inner layer of the three-layer filter screen and the metal protective layer 16 arranged at the outer layer of the three-layer filter screen can effectively improve the structural strength of the device and avoid the phenomenon of structural deformation of the device.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Multilayer net sintering filter core, its characterized in that: comprises a framework main body (1), wherein first positioning blocks (2) are arranged at two ends of the framework main body (1), a first internal thread groove (3) is formed in the inner wall of the upper end of the framework main body (1), a filtering layer (4) is arranged on the outer layer of the framework main body (1), second positioning blocks (5) are arranged at two ends of the filtering layer (4), an upper cover plate (6) is connected to the upper end of the framework main body (1), a first groove (7) is formed in the bottom surface of the upper cover plate (6), a second groove (8) is formed in the inner side of the first groove (7), a through groove (9) is formed in the inner side of the second groove (8), a second internal thread groove (10) is formed in the inner wall of the through groove (9), a lower cover plate (11) is connected to the lower end of the framework main body (1), a third groove (12) is formed in the upper surface of the lower cover plate (11), and a fourth groove (13) is formed in one side of the third groove (12), a connecting piece (14) is connected to the upper portion of the upper cover plate (6), and an outer thread groove (15) is formed in the lower end of the connecting piece (14).

2. The sintered filter cartridge of claim 1, wherein: the filter layer (4) comprises a protective layer (16), a first filter screen (17), a second filter screen (18) and a third filter screen (19), and the first filter screen (17), the second filter screen (18) and the third filter screen (19) are sintered in a vacuum furnace to form an integrated composite sintering net.

3. The sintered filter cartridge of claim 2, wherein: the first filter screen (17) is a twill screen structure formed by weaving metal wires, the second filter screen (18) and the third filter screen (19) are of a basket screen structure formed by weaving metal wires, and the diameter of the filter holes of the second filter screen (18) is slightly larger than that of the filter holes of the third filter screen (19).

4. The sintered filter cartridge of claim 1, wherein: the size of the first positioning block (2) is matched with that of the second groove (8), and the size of the second positioning block (5) is matched with that of the first groove (7).

5. The sintered filter cartridge of claim 1, wherein: skeleton main part (1) and filter layer (4) are all through welded mode and upper cover plate (6) and apron (11) fixed connection down, and skeleton main part (1) is for having the net section of thick bamboo of even hole.

6. The sintered filter cartridge of claim 1, wherein: the inner diameter of the through groove (9) is the same as that of the framework main body (1), and the outer diameter of the lower end of the connecting piece (14) is matched with that of the through groove (9).