CN213433368U

CN213433368U - Composite fiber sintered felt

Info

Publication number: CN213433368U
Application number: CN202021400665.9U
Authority: CN
Inventors: 王旭辉
Original assignee: Anping Furun Precision Filter Material Co ltd
Current assignee: Anping Furun Precision Filter Material Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-06-15
Anticipated expiration: 2030-07-16

Abstract

The utility model provides a composite fiber sintered felt, which relates to the technical field of filter equipment and comprises a sintered felt body, wherein the sintered felt body comprises a first protective layer, one side of the first protective layer is sintered with a dispersion layer, one side of the dispersion layer is sintered with a filter layer, one side of the filter layer is sintered with a precision control layer, one side of the precision control layer is sintered with a reinforcing layer, one side of the reinforcing layer is sintered with a support layer, one side of the support layer is sintered with a second protective layer, the filter layer is made of porous fiber, so that the pressure drop is smaller, the flow rate is more stable, the hydrogen production performance of the filter layer with the porosity of 80 percent is the best, the dispersion layer is sintered on the filter layer, and the dispersion holes of the dispersion layer are open, thereby facilitating the dispersion of filtered gas or liquid, improving the utilization rate of plates, the support layer adopts a titanium fiber regular, the service life of the sintered felt is prolonged.

Description

Composite fiber sintered felt

Technical Field

The utility model relates to a filtration equipment technical field especially relates to a composite fiber sintering felt.

Background

The metal fiber sintered felt is made up by using metal fibers whose diameter is micrometer-grade through the processes of non-woven laying, overlapping and high-temp. sintering. The multilayer metal fiber felt forms a pore gradient by different pore diameter layers, and can be controlled to obtain extremely high filtering precision and larger pollutant carrying capacity than a single-layer felt.

When the sintered felt made of the existing composite fiber is used for producing hydrogen, the pressure drop is large, the flow rate is unstable, the hydrogen production performance is poor, and gas or liquid passing through a filter layer is relatively gathered, so that the utilization rate of the plate is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a composite fiber sintered felt.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a composite fiber sintered felt, includes the sintered felt body, the sintered felt body includes first protective layer, the sintering of first protective layer one side has the dispersed layer, the sintering of dispersed layer one side has the filter layer, the sintering of filter layer one side has the accuracy control layer, the sintering of accuracy control layer one side has the enhancement layer, the sintering of enhancement layer one side has the supporting layer, supporting layer one side sintering has the second protective layer.

Preferably, the filter layer is formed by compacting and sintering porous fibers, the spacing between the micro channels is 1 micron, the depth is 1.5 microns, and the porosity of the filter layer is 80%.

Preferably, the first protective layer and the second protective layer are formed by compacting and sintering a composite fiber three-dimensional network structure with the diameter of 4 microns, and acrylic resin protective films are sprayed on the surfaces of the first protective layer and the second protective layer.

Preferably, the dispersion layer is formed by compacting and sintering a nickel-chromium composite fiber layer with the diameter of 3 microns, and the surface of the dispersion layer is provided with open dispersion holes with small upper parts and large lower parts.

Preferably, the support layer is formed by compacting and sintering a titanium fiber regular tetrahedron structure.

Advantageous effects

The utility model discloses in, the filter layer adopts porous fiber to make for the pressure drop is less, and the velocity of flow is comparatively stable, and porosity is 80% filter layer hydrogen manufacturing performance best.

The utility model discloses in, the sintering has the dispersed layer on the filter layer, and the dispersed hole of dispersed layer is uncovered form, and the gaseous or liquid dispersion after being convenient for filter improves the utilization ratio of panel.

The utility model discloses in, the supporting layer adopts the regular tetrahedron structure of titanium fibre, strengthens the bulk strength of sintering felt, prolongs the life of sintering felt.

The utility model discloses in, protective layer surface coating acrylic resin protection film avoids composite metal fiber electrically conductive, and the electric current punctures the sintering felt, damages equipment.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention.

Illustration of the drawings:

1. a first protective layer; 2. a dispersion layer; 3. a filter layer; 4. a precision control layer; 5. a reinforcing layer; 6. a support layer; 7. a second protective layer; 8. and sintering the felt body.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-2, a composite fiber sintered felt comprises a sintered felt body 8, the sintered felt body 8 comprises a first protective layer 1, a dispersion layer 2 is sintered on one side of the first protective layer 1, the dispersion layer 2 is formed by compacting and sintering a nickel-chromium composite fiber layer with the diameter of 3 microns, the surface of the dispersion layer 2 is provided with a small-upper-opening-shaped dispersion hole, the filter layer 3 is sintered with the dispersion layer 2, the dispersion hole of the dispersion layer 2 is open, so that filtered gas or liquid can be dispersed, the utilization rate of a plate is improved, a filter layer 3 is sintered on one side of the dispersion layer 2, the filter layer 3 is formed by compacting and sintering porous fibers, the spacing of microchannels is 1 micron, the depth is 1.5 microns, the void ratio of the filter layer 3 is 80%, the filter layer 3 is made of porous fibers, so that the pressure drop is small, the flow rate is stable, and the performance of the filter layer 3 with the void ratio of 80, an accuracy control layer 4 is sintered on one side of a filter layer 3, the accuracy control layer 4 performs coarse filtration on filtered liquid or gas, the filter effect of a sintered felt is better due to multiple filtration, a reinforcing layer 5 is sintered on one side of the accuracy control layer 4, the reinforcing layer 5 has a reinforcing effect on a supporting layer 6, the strength of a sintered felt body 8 is higher, a supporting layer 6 is sintered on one side of the reinforcing layer 5, the supporting layer 6 is formed by compacting and sintering a titanium fiber regular tetrahedron structure, the overall strength of the sintered felt is enhanced, the service life of the sintered felt is prolonged, a second protective layer 7 is sintered on one side of the supporting layer 6, the first protective layer 1 and the second protective layer 7 are formed by compacting and sintering a composite fiber three-dimensional reticular structure with the diameter of 4 microns, and acrylic resin protective films, the surface of the protective layer is coated with the acrylic resin protective film, so that the composite metal fiber is prevented from conducting electricity, and the current breaks down the sintered felt to damage equipment.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A composite fiber sintered felt, comprising a sintered felt body (8), characterized in that: sintered felt body (8) are including first protective layer (1), first protective layer (1) one side sintering has dispersed layer (2), dispersed layer (2) one side sintering has filter layer (3), filter layer (3) one side sintering has accuracy control layer (4), accuracy control layer (4) one side sintering has enhancement layer (5), enhancement layer (5) one side sintering has supporting layer (6), supporting layer (6) one side sintering has second protective layer (7).

2. The composite fiber sintered felt according to claim 1, wherein: the filter layer (3) is formed by compacting and sintering porous fibers, the micro-channel spacing is 1 micron, the depth is 1.5 microns, and the porosity of the filter layer (3) is 80%.

3. The composite fiber sintered felt according to claim 1, wherein: the first protective layer (1) and the second protective layer (7) are formed by compacting and sintering a composite fiber three-dimensional network structure with the diameter of 4 microns, and acrylic resin protective films are sprayed on the surfaces of the first protective layer (1) and the second protective layer (7).

4. The composite fiber sintered felt according to claim 1, wherein: the dispersion layer (2) is formed by compacting and sintering a nickel-chromium composite fiber layer with the diameter of 3 microns, and the surface of the dispersion layer (2) is provided with open dispersion holes with small upper parts and large lower parts.

5. The composite fiber sintered felt according to claim 1, wherein: the supporting layer (6) is formed by compacting and sintering a titanium fiber regular tetrahedron structure.