CN218944567U

CN218944567U - Metal fiber felt filter plate

Info

Publication number: CN218944567U
Application number: CN202223489834.2U
Authority: CN
Inventors: 赵文祥; 齐留维; 赵力震
Original assignee: Xinxiang Xinli Purification Technology Co ltd
Current assignee: Xinxiang Xinli Purification Technology Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-02
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a metal fiber felt filter plate, which comprises a filter screen with an annular structure, wherein a guide ring is fixedly arranged in a hole of the filter screen, the filter screen comprises metal fiber felt layers which are arranged symmetrically up and down, the inner side walls of the metal fiber felt layers are respectively provided with a micropore plate layer, a framework layer is arranged between the micropore plate layers, and the metal fiber felt layer on the upper layer is provided with a stainless steel protective net layer; the upper and lower circumferential outer walls of the guide ring are symmetrically provided with a first annular step groove and a second annular step groove, the metal fiber felt layers are welded with the step surfaces of the first annular step groove, and the micropore plate layers are welded with the step surfaces of the second annular step groove; the inner wall of the guide ring is provided with guide holes at equal intervals along the circumferential direction of the guide ring at the position corresponding to the framework layer; the utility model has the advantages of high filtering precision, high structural strength and connection strength of the filter disc, strong shock resistance and tearing resistance, ensured stability of the filter disc, long service life and the like.

Description

Metal fiber felt filter plate

Technical Field

The utility model relates to the technical field of filter plates, in particular to a metal fiber felt filter plate.

Background

The disc filter disc is used as a main part in the filter, the filter screen is supported by the support to enable the filter screen to filter the inlet and the outlet, so that special filter discs are often used for filtering in equipment needing long-term filtering, the filter disc is quite common in filtering and purifying gas or liquid, the existing filter disc is manufactured in a whole mode, the filter disc consists of the filter screen and the guide ring, the medium filtered by the filter screen is guided by the guide ring, the filter screen is formed by overlapping a plurality of filter layers, but the filtering precision is low, the layered structure of the filter layer is easy to separate, the structural strength and the connecting strength of the filter disc are low, the deformation resistance, the impact resistance and the tearing resistance are poor, the stability of the filter disc is poor, the service life is short and the like.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the metal fiber felt filter disc which is high in filtering precision, the layered structure of the filter layer is not easy to separate, the filter disc is high in structural strength and connection strength, strong in deformation resistance, impact resistance and tearing resistance, the stability of the filter disc is guaranteed, the service life of the filter disc is long, the structure is simple, the processing is convenient, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a metal fiber felt filter plate, includes the filter screen of annular structure, the downthehole fixed water conservancy diversion ring that is equipped with of filter screen, the filter screen includes the metal fiber felt layer that sets up from top to bottom symmetrically, and metal fiber felt layer is annular structure, and the circumference outside end of metal fiber felt layer inwards bends and laminating each other, form the filter chamber between the metal fiber felt layer, the inside wall of metal fiber felt layer all is equipped with the micropore layer rather than the structure looks adaptation, the circumference outside end of micropore layer inwards bends and laminating each other, be equipped with the skeleton layer between the micropore layer, the metal fiber felt layer surface that is located the upper strata is equipped with the stainless steel protection network layer rather than the structure looks adaptation; the stainless steel protective net layer, the metal fiber felt layer, the micropore plate layer and the framework layer are sintered into an integrated structure; the diameters of the filtering holes of the stainless steel protective net layer and the micropore plate layer are larger than those of the metal fiber felt layer; the upper and lower circumferential outer walls of the guide ring are symmetrically provided with a first annular step groove and a second annular step groove, the second annular step grooves are all positioned on the outer sides of the first annular step groove, the metal fiber felt layers are welded with the step surfaces of the first annular step groove, and the micropore plate layers are welded with the step surfaces of the second annular step groove; the inner wall of the guide ring is provided with guide holes at equal intervals along the circumferential direction of the guide ring at the position corresponding to the framework layer; the top surface of the guide ring is welded with a connecting ring.

Further, the metal fiber felt layer comprises a metal fiber diversion layer and a metal fiber filtering layer, wherein the metal fiber diversion layer is sintered on the upper end face and the lower end face of the metal fiber filtering layer.

Further, the apertures of the metal fiber flow-dividing layers are 22um, and the aperture of the metal fiber filter layer is 12um.

Further, the guide rings are located on the step surfaces of the first annular step grooves, convex rings are arranged on the guide rings, and the metal fiber felt layers are bonded and welded with the convex rings.

Further, the upper surface of stainless steel protection network layer has the strengthening rib along its circumferencial direction equidistant welding, and the inboard end of strengthening rib all with the outside circumference terminal surface laminating welding of go-between.

Compared with the prior art, the utility model has the beneficial effects that: this metal fiber felt filter piece, through metal fiber felt layer 12 as the filter layer, the filter fineness is high, structural strength and impact strength through stainless steel protection network layer 11 improvement filter screen 1, structural strength and impact strength through strengthening rib 4 further increase filter screen 1, metal fiber felt layer 12 comprises metal fiber stranding layer 121 that the sintering of metal fiber filter layer 122 upper and lower both ends face was had, metal fiber felt layer 12 shock resistance and tear resistance are strong, the layered structure of metal fiber felt layer 12 is difficult for breaking away from, long service life, guarantee the stability of filter piece, laminating welding through bulge loop 24 on metal fiber felt layer 12 and the water conservancy diversion ring 2, improve the joint strength of filter screen 1, the anti deformability of filter piece is improved, this filter piece simple structure, and processing is convenient.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a filter according to the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a schematic view of a deflector ring according to the present utility model;

fig. 5 is a schematic view of the structure of the metal fiber mat according to the present utility model.

In the figure: the novel stainless steel reinforced concrete composite material comprises a filter screen 1, a stainless steel protective screen layer 11, a metal fiber felt layer 12, a metal fiber diversion layer 121, a metal fiber filter layer 122, a micropore plate layer 13, a framework layer 14, a guide ring 2, a guide hole 21, a first annular step groove 22, a second annular step groove 23, a convex ring 24, a connecting ring 3 and reinforcing ribs 4.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a metal fiber felt filter plate, includes the filter screen 1 of annular structure, the downthehole fixed water conservancy diversion ring 2 that is equipped with of filter screen 1, filter screen 1 includes the metal fiber felt layer 12 that sets up from top to bottom symmetry, and metal fiber felt layer 12 is annular structure, and the circumference outside end of metal fiber felt layer 12 inwards bends and laminating each other, form the filter chamber between the metal fiber felt layer 12, the inside wall of metal fiber felt layer 12 all is equipped with the micropore layer 13 rather than the structure looks adaptation, the circumference outside end of micropore layer 13 inwards bends and laminating each other, be equipped with skeleton layer 14 between micropore layer 13, the metal fiber felt layer 12 surface that is located the upper strata is equipped with the stainless steel protection network layer 11 rather than the structure looks adaptation; the stainless steel protective net layer 11, the metal fiber felt layer 12, the micropore plate layer 13 and the framework layer 14 are sintered into an integrated structure; the diameters of the filtering holes of the stainless steel protective net layer 11 and the micropore plate layer 13 are larger than those of the metal fiber felt layer 12; the upper and lower circumferential outer walls of the guide ring 2 are symmetrically provided with a first annular step groove 22 and a second annular step groove 23, the second annular step groove 23 is positioned at the outer side of the first annular step groove 22, the metal fiber felt layer 12 is welded with the step surface of the first annular step groove 23, and the micropore plate layer 13 is welded with the step surface of the second annular step groove 23; the inner wall of the guide ring 2 is provided with guide holes 21 at equal intervals along the circumferential direction at the position corresponding to the framework layer 14; the top surface of the guide ring 2 is welded with a connecting ring 3, the upper surface of the stainless steel protective net layer 11 is welded with reinforcing ribs 4 at equal intervals along the circumferential direction of the stainless steel protective net layer, and the inner side ends of the reinforcing ribs 4 are bonded and welded with the outer circumferential end surface of the connecting ring 3; the metal fiber felt layer 12 comprises a metal fiber diversion layer 121 with the aperture of 22um and a metal fiber filtration layer 122 with the aperture of 12um, wherein the upper end face and the lower end face of the metal fiber filtration layer 122 are both sintered with the metal fiber diversion layer 121.

Working principle:

the filtering sheets are attached together and fixed on the external hollow flow guide column, the flow guide holes on the flow guide ring 2 are aligned with the filtering holes on the flow guide column, the flow guide ring 2 is connected with the external hollow flow guide column through the connecting ring 3, liquid is filtered through the metal fiber felt layer 12, the filtered liquid flows to the flow guide holes 21 on the flow guide ring 2 through the micropore plate layer 13 and the framework layer 14, and the filtered liquid flows to the flow guide column through the flow guide holes 21 on the flow guide ring 2.

The filter disc disclosed in this embodiment, through metal fiber felt layer 12 as the filter layer, the filter fineness is high, structural strength and impact strength through stainless steel protection network layer 11 improvement filter screen 1, structural strength and impact strength through strengthening rib 4 further increase filter screen 1, metal fiber felt layer 12 comprises metal fiber shunt layer 121 that the sintering of both ends face was gone up and down by metal fiber filter layer 122, metal fiber felt layer 12 shock resistance and tear resistance are strong, the layered structure of metal fiber felt layer 12 is difficult for breaking away from, long service life guarantees the stability of filter disc.

Further, the guide ring 2 is provided with the convex rings 24 on the step surface of the first annular step groove 22, and the metal fiber felt layer 12 is bonded and welded with the convex rings 24, and the bonding strength of the filter screen 1 and the deformation resistance of the filter sheet are improved through bonding and welding of the metal fiber felt layer 12 and the convex rings 24 on the guide ring 2.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a metal fiber felt filter plate, includes the filter screen of annular structure, and the downthehole fixed of filter screen is equipped with water conservancy diversion ring, its characterized in that: the filter screen comprises metal fiber felt layers which are arranged vertically symmetrically, the metal fiber felt layers are of annular structures, the circumferential outer side ends of the metal fiber felt layers are inwards bent and mutually attached, a filter cavity is formed between the metal fiber felt layers, the inner side walls of the metal fiber felt layers are respectively provided with a micropore plate layer matched with the metal fiber felt layers in structure, the circumferential outer side ends of the micropore plate layers are inwards bent and mutually attached, a framework layer is arranged between the micropore plate layers, and the outer surface of the metal fiber felt layer positioned on the upper layer is provided with a stainless steel protective net layer matched with the metal fiber felt layer in structure; the stainless steel protective net layer, the metal fiber felt layer, the micropore plate layer and the framework layer are sintered into an integrated structure; the diameters of the filtering holes of the stainless steel protective net layer and the micropore plate layer are larger than those of the metal fiber felt layer; the upper and lower circumferential outer walls of the guide ring are symmetrically provided with a first annular step groove and a second annular step groove, the second annular step grooves are all positioned on the outer sides of the first annular step groove, the metal fiber felt layers are welded with the step surfaces of the first annular step groove, and the micropore plate layers are welded with the step surfaces of the second annular step groove; the inner wall of the guide ring is provided with guide holes at equal intervals along the circumferential direction of the guide ring at the position corresponding to the framework layer; the top surface of the guide ring is welded with a connecting ring.

2. A metal fiber felt filter sheet according to claim 1, wherein: the metal fiber felt layer comprises a metal fiber diversion layer and a metal fiber filtering layer, wherein the metal fiber diversion layer is sintered on the upper end face and the lower end face of the metal fiber filtering layer.

3. A metal fiber felt filter sheet according to claim 2, wherein: the aperture of the metal fiber current-dividing layer is 22um, and the aperture of the metal fiber filtering layer is 12um.

4. A metal fiber felt filter sheet according to claim 1, wherein: the guide rings are arranged on the step surfaces of the first annular step grooves, convex rings are arranged on the guide rings, and the metal fiber felt layers are bonded and welded with the convex rings.

5. A metal fiber felt filter sheet according to claim 1, wherein: reinforcing ribs are welded on the upper surface of the stainless steel protective net layer at equal intervals along the circumferential direction of the stainless steel protective net layer, and the inner side ends of the reinforcing ribs are bonded and welded with the outer circumferential end face of the connecting ring.