CN114470973A - High-temperature-resistant metal pipe filter element and manufacturing method thereof - Google Patents
High-temperature-resistant metal pipe filter element and manufacturing method thereof Download PDFInfo
- Publication number
- CN114470973A CN114470973A CN202210166425.4A CN202210166425A CN114470973A CN 114470973 A CN114470973 A CN 114470973A CN 202210166425 A CN202210166425 A CN 202210166425A CN 114470973 A CN114470973 A CN 114470973A
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- China
- Prior art keywords
- filter element
- end cover
- temperature
- felt
- sintered felt
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- 239000002184 metal Substances 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000005245 sintering Methods 0.000 claims abstract description 23
- 238000007664 blowing Methods 0.000 claims description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 6
- 229910000856 hastalloy Inorganic materials 0.000 claims description 5
- 238000001914 filtration Methods 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 6
- 238000000746 purification Methods 0.000 abstract description 6
- 239000000835 fiber Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2027—Metallic material
- B01D39/2041—Metallic material the material being filamentary or fibrous
- B01D39/2044—Metallic material the material being filamentary or fibrous sintered or bonded by inorganic agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a high-temperature resistant metal tube filter element and a manufacturing method thereof, belongs to the technical field of filter equipment, and solves the problems that the application environment temperature is lower, the filter element needs to be disassembled for cleaning and the filtering efficiency is not high in the prior art, and the method comprises the following steps: the body, the fixed upper end cover that is provided with in top of body, the fixed sintering felt filter core that is provided with in bottom of upper end cover, the fixed support frame that is provided with in inside of sintering felt filter core, the fixed end cap down that is provided with in bottom of sintering felt filter core, the structure has improved the manufacturing efficiency of metal sintering felt filter core greatly, has realized improving the service temperature of tubular metal resonator filter core, improves the filtration efficiency of filter core, realizes the non-dismantling purification of filter core, has realized increase of service life's purpose.
Description
Technical Field
The invention belongs to the technical field of filtering equipment, and particularly belongs to a high-temperature-resistant metal pipe filter element and a manufacturing method thereof.
Background
The stainless steel sintered felt filter element is mainly formed by processing a stainless steel fiber sintered felt through a bending wave process, and the stainless steel fiber sintered felt can be made into a multilayer structure with the aperture from coarse to fine and has the characteristics of high porosity, high dirt receiving capacity and the like; the main filtering material adopts stainless steel fiber sintered felt such as 316L and Hastelloy as the main filtering medium, and the stainless steel fiber sintered felt is a porous depth-shaped filtering material prepared by sintering stainless steel fibers at high temperature.
The existing metal tube filter element needs to be opened firstly after a period of filtering work, the metal tube filter element is taken down by using a special tool, the filter element is placed back into the matching equipment after the filter element is cleaned, the special tool is adopted for installation and fixation, the metal tube filter element needs to be disassembled and installed in the cleaning process, the auxiliary working time is increased, and the working efficiency is greatly reduced.
Disclosure of Invention
Aiming at the problems of lower application environment temperature of the filter element, disassembly for cleaning the filter element and low filtering efficiency in the prior art, the invention provides a high-temperature resistant metal pipe filter element, which aims to solve the problems that: the service temperature of the metal pipe filter element is improved, the disassembly-free purification of the filter element is realized, and the filtering efficiency of the filter element is improved.
The technical scheme adopted by the invention is as follows:
a high temperature resistant metal tube filter cartridge comprising: the sintering felt filter comprises an upper end cover, a sintering felt filter element, a support frame and a lower plug, wherein the support frame is arranged inside the sintering felt filter element, two ends of the sintering felt filter element and two ends of the support frame are fixedly connected with the upper end cover and the lower plug respectively, and a gas channel is arranged in the middle of the upper end cover.
By adopting the scheme, gas is blown in from the outside of the sintered felt filter element, processes such as collision, sedimentation, blocking, inertia, diffusion, adsorption and the like are completed in the sintered felt filter element, and the gas is blown out from a gas channel in the upper end cover to complete purification, wherein the support frame can play a role in supporting the sintered felt filter element and is connected with the upper end cover and the lower plug.
Preferably, the sintered felt filter element is made of 316L or Hastelloy stainless steel sintered felt.
By adopting the scheme, the use temperature of the sintered felt filter element can reach 500 ℃, and the application range and the stability of the filter element are greatly improved.
Preferably, the sintered felt filter element is of a folding structure, and the folding height is 6-10 mm.
By adopting the scheme, the filtering efficiency of the sintered felt filter element can be ensured to be more than or equal to 99.80% (0.3 mu m).
Preferably, a back-blowing head is arranged above the upper end cover, and an air outlet of the back-blowing head corresponds to the position of the gas channel.
By adopting the scheme, when the sintered felt filter element needs to be purified, the back blowing head can be opened to carry out back blowing purification, the cleaning work of the sintered felt filter element is completed, the cleaning work can be completed without disassembling the sintered felt filter element, and the working efficiency is improved.
Preferably, two ends of the sintered felt filter element are respectively welded and fixed with the upper end cover and the lower plug.
Preferably, two ends of the support frame are respectively welded and fixed with the upper end cover and the lower plug.
The invention also provides a manufacturing method of the high-temperature-resistant metal pipe filter element, which comprises the following steps:
step A: cutting edges of the sintered felt according to the size of the metal pipe filter element, wherein the edges are rectangular in particular;
and B: folding the sintered felt after edge cutting, specifically folding the sintered felt into a wave shape and enclosing the wave shape into a cylinder shape;
and C: closing the folded sintered felt, and welding and fixing the closed sintered felt and the upper end cover;
step D: and assembling and welding and fixing the support frame, the upper end cover, the lower plug and the sintered felt filter element of the metal pipe filter element.
By adopting the scheme, the filtering area of the folded sintered felt filter element can be increased, the filtering efficiency of the metal tube sintered felt filter element is greatly improved, and the production efficiency of the metal sintered felt filter is greatly improved by the structure.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the gas is blown in from the outside of metal tube filter core to accomplish processes such as collision, subside, block, inertia, diffusion, absorption in the sintering felt filter core, and blow off from the upper end cover, accomplish and purify, wherein the support frame can play the supporting role to the sintering felt filter core, and connect upper end cover and end cap down and can make the use temperature of sintering felt filter core reach 500 ℃, improved the application scope and the stability of this filter core greatly.
2. The filtering efficiency of the metal tube filter element can be ensured to be more than or equal to 99.80 percent (0.3 mu m), when the sintered felt filter element needs to be purified, the back-blowing head can be opened for back-blowing purification, and the cleaning work of the filter element is completed.
3. The filter element of the sintered felt after being folded can increase the filtering area and improve the filtering effect of the sintered felt, the support frame is arranged inside the filter element, and the production efficiency of the metal tube filter element is greatly improved due to the structure that the support frame, the upper end cover, the lower plug and the sintered felt filter element of the metal tube filter element are assembled and welded and fixed.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a main view structural view of an embodiment of the present invention.
Reference numerals: 1-upper end cover; 2-sintering the felt filter element; 3-a support frame; 4-lower plug; 5-back blowing head.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1.
The first embodiment is as follows:
a high temperature resistant metal tube filter cartridge comprising: the sintering felt filter comprises an upper end cover 1, a sintering felt filter element 2, a support frame 3 and a lower plug 4, wherein the support frame 3 is arranged inside the sintering felt filter element 2, two ends of the sintering felt filter element 2 and two ends of the support frame 3 are fixedly connected with the upper end cover 1 and the lower plug 4 respectively, and a gas channel is arranged in the middle of the upper end cover 1.
In this embodiment, the material for manufacturing the sintered felt filter element 2 is 316L, and in another embodiment, the material for manufacturing the sintered felt filter element 2 is hastelloy stainless steel sintered felt.
In this embodiment, the sintered felt filter element 2 is of a folding structure, and the folding height is 6-10 mm.
And a back-blowing head 5 is arranged above the upper end cover 1, and the air outlet of the back-blowing head corresponds to the position of the gas channel.
In the embodiment, two ends of the sintered felt filter element 2 are respectively welded and fixed with the upper end cover 1 and the lower plug 4.
In this embodiment, two ends of the support frame 3 are respectively welded and fixed with the upper end cover 1 and the lower plug 4.
In the first embodiment, the gas enters the metal tube filter element from the periphery of the filter material, flows out through the upper end cover 1, and physically removes dust particles from the gas flow by using the mechanisms of collision, sedimentation, blocking, inertia, diffusion, adsorption and the like, thereby purifying the aerosol.
The sintered felt filter element 2 is woven by stainless steel wires with different diameters, the filter material is made of stainless steel fiber sintered felt such as 316L or Hastelloy, the application environment can reach 500 ℃, and the filter efficiency is more than or equal to 99.80% (0.3 mu m).
When the metal tube filter core uses, the top of the upper end cover 1 is provided with the back blowing head 5, when the filter core needs to be purified, the back blowing head 5 is opened, the back blowing head 5 sprays pure gas from the spray head, particles attached to the outer wall of the sintering felt filter core 2 fall off from the outer wall of the sintering felt filter core 2 under the action of air flow, the inside disassembly-free filter core purification of the equipment is realized, the service life of the metal tube filter core is prolonged, and the operation cost is saved. The sintered felt filter element 2 is of a folding structure, the filtering area is increased, the filtering effect of the sintered felt filter element 2 is improved, as shown in the following table, the filtering effect can reach 99.8%, 316L is corrosion-resistant austenitic stainless steel, the steel is manufactured into fibrofelt, the filter element is formed by edge cutting, wave folding and closing, the working temperature can reach 500 ℃, and the using temperature of the filter element in the prior art is greatly improved. The experimental data are shown in the following table (muffle 500 ℃ C., 2 hours incubation).
TABLE 1 performance testing of filtration efficiency of metal tube filter elements
A manufacturing method of a high-temperature-resistant metal tube filter element comprises the following steps:
step A: cutting edges of the sintered felt according to the size of the metal pipe filter element, wherein the shape of the cut edges is rectangular in the embodiment;
and B: folding the sintered felt after edge cutting, specifically folding the sintered felt into a wave shape and enclosing the wave shape into a cylinder shape;
and C: closing the folded sintered felt, and welding and fixing the closed sintered felt and the upper end cover;
step D: and assembling and welding the support frame, the upper end cover, the lower plug and the sintered felt filter element of the metal tube filter element.
The sintered felt filter element after the sintered felt is folded can increase the filtering area of the sintered felt filter element and improve the filtering effect of the sintered felt, and the structure greatly improves the manufacturing efficiency of the metal sintered felt filter.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which all belong to the protection scope of the present application.
Claims (7)
1. A high temperature resistant metal tube filter element, comprising: the sintering felt filter comprises an upper end cover (1), a sintering felt filter element (2), a support frame (3) and a lower plug (4), wherein the support frame (3) is arranged inside the sintering felt filter element (2), two ends of the sintering felt filter element (2) and two ends of the support frame (3) are fixedly connected with the upper end cover (1) and the lower plug (4) respectively, and a gas channel is arranged in the middle of the upper end cover (1).
2. The high temperature resistant metal tube filter element according to claim 1, wherein the sintered felt filter element (2) is made of sintered felt of 316L or hastelloy stainless steel.
3. The high-temperature-resistant metal tube filter element as claimed in claim 1, wherein the sintered felt filter element (2) is of a folded structure, and the corrugation height is 6-10 mm.
4. The high-temperature-resistant metal tube filter element according to claim 1, wherein a back-blowing head (5) is arranged above the upper end cover (1), and the air outlet of the back-blowing head (5) corresponds to the position of the gas channel.
5. The high-temperature-resistant metal tube filter element as claimed in claim 1, wherein two ends of the sintered felt filter element (2) are respectively welded and fixed with the upper end cover (1) and the lower plug (4).
6. The high-temperature-resistant metal pipe filter element according to claim 1, wherein two ends of the support frame (3) are respectively welded and fixed with the upper end cover (1) and the lower plug (4).
7. The manufacturing method of the high-temperature-resistant metal pipe filter element is characterized by comprising the following steps of:
step A: edge cutting: cutting edges of the sintered felt according to the size of the metal pipe filter element;
and B: wave folding: folding the sintered felt after edge cutting into a wave shape and enclosing the wave shape into a cylinder shape;
and C: closing the folded sintered felt, and welding and fixing the closed sintered felt and the upper end cover;
step D: and assembling and welding the support frame, the upper end cover, the lower plug and the sintered felt filter element of the metal tube filter element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210166425.4A CN114470973A (en) | 2022-02-23 | 2022-02-23 | High-temperature-resistant metal pipe filter element and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210166425.4A CN114470973A (en) | 2022-02-23 | 2022-02-23 | High-temperature-resistant metal pipe filter element and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114470973A true CN114470973A (en) | 2022-05-13 |
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| CN202210166425.4A Pending CN114470973A (en) | 2022-02-23 | 2022-02-23 | High-temperature-resistant metal pipe filter element and manufacturing method thereof |
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Application publication date: 20220513 |