CN220194164U - Flat high temperature filter - Google Patents
Flat high temperature filter Download PDFInfo
- Publication number
- CN220194164U CN220194164U CN202321750250.8U CN202321750250U CN220194164U CN 220194164 U CN220194164 U CN 220194164U CN 202321750250 U CN202321750250 U CN 202321750250U CN 220194164 U CN220194164 U CN 220194164U
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- filter
- shell
- high temperature
- filter element
- flat high
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- 238000007789 sealing Methods 0.000 claims abstract description 41
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 238000005245 sintering Methods 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 238000003475 lamination Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000001914 filtration Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a flat high-temperature filter, which solves the problems that the filter in the prior art is not suitable for a narrow space and is easy to leak. The utility model relates to a flat high-temperature filter, which comprises a left shell and a right shell, wherein the left shell and the right shell are matched to form a flat structure with a filter cavity inside, a filter element component which is matched with the left shell and the right shell in a sealing way is arranged in the filter cavity, an inlet which is communicated with the filter cavity is arranged on the left shell, and an outlet which is communicated with the filter cavity is arranged on the right shell. In the aspect of sealing, in order to ensure that the filter works stably and reliably under the working medium of 1000-1100 ℃, the utility model adopts a mode of combining soft-hard composite sealing with hard sealing of the filter element assembly to effectively control the external leakage and the internal leakage of the filter and improve the integral sealing effect.
Description
Technical Field
The utility model relates to the technical field of filters, in particular to a flat high-temperature filter.
Background
The filter working principle is that when the filter is connected into the system, the system working medium enters the filter and is filtered by the filter screen, so that mechanical impurities and solid particle pollutants in the system working medium are filtered, and the pure working medium continues to work in the system. However, the existing filter, such as the one disclosed in the chinese patent publication No. CN 210331819U, has a high sealing type and high efficiency structure, and is large in size, and is not suitable for installation and use in narrow spaces; and the sealing effect of the shell is poor, and the problem of medium leakage is easy to generate in the working process.
Disclosure of Invention
Aiming at the defects in the background technology, the utility model provides a flat high-temperature filter, which solves the problems that the filter in the prior art is not suitable for a narrow space and is easy to leak.
The technical scheme of the utility model is realized as follows: the utility model provides a flat high temperature filter, includes left casing and right casing, and left casing and right casing cooperation form the inside flat structure that has the filter chamber, be equipped with in the filter chamber with left casing, right casing sealing fit's filter core subassembly, be equipped with on the left casing with the communicating entry of filter chamber, be equipped with on the right casing with the communicating export of filter chamber.
As the preferable scheme, the left shell body and the right shell body are in surface contact fit, and a soft and hard composite sealing piece is arranged between the contact surfaces of the left shell body and the right shell body, so that the sealing effect between the left shell body and the right shell body is further improved.
As the preferable scheme, left side casing and right casing all include flange joint portion and filter chamber portion, and the flange joint portion of left side casing or the flange joint portion of right side casing are equipped with sealed annular, and soft or hard compound sealing member is located sealed annular, and the flange joint portion of left side casing and the flange joint portion of right side casing pass through the bolted connection.
As a preferable scheme, the soft and hard composite sealing element is a winding pad formed by winding a stainless steel band and a flexible graphite lamination. The soft and hard composite sealing element has good sealing effect, and improves the sealing effect between the left shell and the right shell
Preferably, the inlet is axially arranged at the filter cavity part of the left shell; the outlet is axially disposed in the filter chamber portion of the right housing.
As a preferable scheme, the inner cavity surface of the filter cavity comprises an arc-shaped end surface and a conical ring surface, a positioning ring groove for limiting the filter element component is arranged at the conical ring surface, and the conical ring surface and the filter element component form surface seal or line seal.
As a preferable scheme, the filter element assembly comprises a filter element bracket and a sintering filter screen, wherein the sintering filter screen is fixed on the filter element bracket and faces to the inlet; the outer ring surface of the filter element support is a conical surface or an arc surface, and the outer ring surface of the filter element support is provided with a bulge matched with the positioning ring groove.
As a preferable scheme, the sintering filter screen is fixed in the filter element support through a compression ring, and one side of the filter element support, facing the outlet, is provided with a plurality of through holes. Wherein, the sintering filter screen is seven layers of metal sintering nets.
The beneficial effects of the utility model are as follows: 1. in the aspect of sealing, in order to ensure that the filter works stably and reliably under the working medium of 1000-1100 ℃, the utility model adopts a mode of combining soft-hard composite sealing with hard sealing of the filter element assembly to effectively control the external leakage and the internal leakage of the filter and improve the integral sealing effect. 2. The filter element component adopts seven layers of metal sintering nets, overcomes the defects of low strength, poor rigidity and unstable mesh shape of common metal wire nets, and has the welding performance obviously superior to other types of filter materials. 3. Compared with the traditional straight-through filter and the sedimentation filter, the high-temperature filter has shorter travel in the flowing direction of the working medium, and is more suitable for installation and use in narrow spaces.
Drawings
In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall internal structure of the present utility model.
Fig. 2 is a schematic view of the cartridge assembly mated with the left and right housings.
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 any inventive effort, are intended to be within the scope of the utility model.
Embodiment 1 as shown in fig. 1, a flat type high temperature filter comprises a left housing 1 and a right housing 2 which are detachably connected, wherein the left housing 1 and the right housing 2 are matched to form a flat structure with a filter cavity 10 inside; the flat structure has the external envelope dimension of phi 144 multiplied by 50, and compared with the traditional straight-through filter and sedimentation filter, the flat structure has shorter travel in the flowing direction of the working medium, and is more suitable for installation and use in narrow space. A filter element component 11 which is in sealing fit with the left shell 1 and the right shell 2 is arranged in the filter cavity 10; the filter element assembly 11 can play a role in filtering, can seal contact surfaces of the left shell 1 and the right shell 2 to form internal sealing, improves the integral tightness of the filter and prevents internal leakage. The left shell 1 is provided with an inlet 12 communicated with the filter cavity 10, and the right shell 2 is provided with an outlet 13 communicated with the filter cavity 10. In operation, a working medium enters the filter chamber from the inlet 12 and is filtered by the filter element assembly, and the filtered medium flows out of the outlet. When the filter needs to be maintained, clean compressed air is reversely blown in from the outlet, so that impurities attached to the filter element assembly 11 can be effectively removed, and efficient cleaning can be performed.
As a further preferable scheme, in the present embodiment, the left casing 1 and the right casing 2 are in surface contact fit, and are fixed by a bolt member to form a hard seal, and the surface contact seal is adopted, so that the sealing surface is increased, and the sealing effect is further improved. A soft and hard composite sealing piece 6 is arranged between the contact surfaces of the left shell 1 and the right shell 2. Namely, the hard composite seal 6 is arranged between the sealing surfaces, so that the sealing property of the surface seal is improved. Preferably, the soft and hard composite seal 6 is a wound gasket formed by winding a stainless steel tape and a flexible graphite laminate. The winding pad has the characteristics of hard sealing, high temperature resistance, abrasion resistance and good mechanical property, and also has the characteristics of soft sealing and good sealing property, and is suitable for the high-temperature filter.
Example 2 this example was further optimized as follows, based on example 1, as shown in fig. 2:
in this embodiment, the left casing 1 and the right casing 2 each include an integrally formed flange connection portion 101 and a filter cavity portion 102, the flange connection portion 101 of the left casing 1 or the flange connection portion 101 of the right casing 2 is provided with a seal ring groove 103, the soft and hard composite sealing member 6 is located in the seal ring groove 103 and is respectively in contact with the flange connection portions 101 of the left casing 1 and the right casing 2 for sealing, and the composite seal is matched with the surface seal of the flange connection portions 101 to form an external seal of the casing, so that the leakage-proof effect is effectively achieved. The flange connection 101 of the left housing 1 and the flange connection 101 of the right housing 2 are connected by the bolt member 7. The bolt member 7 is a hexagon head bolt and is fixed by a nut 8, and a spring washer 9 is arranged between the nut and the bolt in order to further prevent the nut 8 from loosening. In the embodiment, the soft and hard composite sealing element 6 is wound into a winding pad by using a 304 stainless steel belt and flexible graphite lamination; is sealed in a sealing ring groove 103 matched with the left shell and the right shell.
In the present embodiment, the inlet 12 is preferably disposed in the filter cavity 102 of the left housing 1 along the axial direction; the outlet 13 is provided in the filter chamber portion 102 of the right housing 2 in the axial direction. The inlet 12 and the outlet 13 are directly towards the filter element assembly 11, so that the contact area with the filter element assembly 11 is increased, and the filtering effect is further improved.
The inner cavity surface of the filter cavity 10 in this embodiment includes an arc-shaped end surface and a conical annular surface, and the arc-shaped end surface and the conical annular surface are in arc transition. The conical ring surface is provided with a positioning ring groove 14 for limiting the filter element assembly 11, so that the filter element assembly 11 is prevented from moving in the filter cavity 10, and the conical ring surface and the filter element assembly 11 form surface seal or linear seal; that is, the filter element assembly 11 is in sealing contact with both the filter chamber portion 102 of the left housing 1 and the filter chamber portion 102 of the right housing 2 to form an inner seal, preventing the occurrence of inner leakage of the filter.
As a preferred scheme, the filter element assembly 11 comprises a filter element support 3 and a sintering filter screen 5, the sintering filter screen 5 is fixed on the filter element support 3 and faces the inlet 12, and the filter element support 3 provides support for the sintering filter screen and is matched with the inner wall of the shell to form an inner seal. The outer ring surface of the filter element bracket 3 is a conical surface or an arc surface; when the outer ring surface of the filter element support 3 is a conical surface, the conical surface is matched with the conical ring surface of the filter cavity 10 to form conical surface sealing. When the outer annular surface of the filter element support 3 is an arc surface, the arc surface is matched with the conical annular surface of the filter cavity 10 to form a linear seal; the wire seal or face seal is selected based on the operating conditions. The outer ring surface of the filter element bracket 3 is provided with a bulge 15 matched with the positioning ring groove 14; during assembly, the filter element support is matched with the positioning ring groove 14 in a clamping way through the protrusion 15, so that stable installation in the filter cavity 10 is realized.
As a further preferable scheme, the sintering filter screen 5 is fixed in the filter element support 3 through a press ring 4, and the press ring 4 is fixed on the filter element support through laser welding. The filter element support forms hard seal through the size and limit fit of the left valve body and the right valve body, and controls the inner leakage of the product. The filter element bracket 3 is provided with a plurality of through holes on one side facing the outlet 13, so that the medium can pass smoothly. The sintering filter screen 5 is a seven-layer metal sintering screen; the material is GH3030, and the processing technology is that seven layers of metal wire woven meshes manufactured according to the GB/T21648 or Q/9D 193-1998 standard are overlapped together, heated to a melting point, pressurized and sintered into a whole, so that a novel filter material with higher mechanical strength and overall rigidity is formed; the meshes of each layer of silk screen are staggered to form a uniform and ideal filtering structure, so that the defects of low strength, poor rigidity and unstable mesh shape of the common metal silk screen are overcome, and the welding performance of the filter is obviously superior to that of other types of filtering materials.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (9)
1. A flat high temperature filter, characterized by: including left casing (1) and right casing (2), the cooperation of left casing (1) and right casing (2) forms inside flat structure that has filter chamber (10), is equipped with in filter chamber (10) with left casing (1), right casing (2) sealing fit's filter core subassembly (11), be equipped with on left casing (1) with filter chamber (10) communicating entry (12), be equipped with on right casing (2) with filter chamber (10) communicating export (13).
2. The flat high temperature filter according to claim 1, wherein: the left shell (1) and the right shell (2) are in surface contact fit, and a soft and hard composite sealing piece (6) is arranged between the contact surfaces of the left shell and the right shell.
3. The flat high temperature filter according to claim 2, wherein: the novel filter is characterized in that the left shell (1) and the right shell (2) comprise flange connection portions (101) and filter cavity portions (102), the flange connection portions (101) of the left shell (1) or the flange connection portions (101) of the right shell (2) are provided with sealing ring grooves (103), soft and hard composite sealing elements (6) are located in the sealing ring grooves (103), and the flange connection portions (101) of the left shell (1) and the flange connection portions (101) of the right shell (2) are connected through bolt pieces (7).
4. A flat high temperature filter according to claim 2 or 3, wherein: the soft and hard composite sealing piece (6) is a winding pad formed by winding a stainless steel belt and a flexible graphite lamination.
5. The flat high temperature filter according to claim 4, wherein: the inlet (12) is axially arranged at a filter cavity part (102) of the left shell (1); the outlet (13) is axially arranged in the filter chamber part (102) of the right housing (2).
6. The flat high temperature filter according to any one of claims 1 to 3, 5, wherein: the inner cavity surface of the filter cavity (10) comprises an arc-shaped end surface and a conical ring surface, a positioning ring groove (14) for limiting the filter element assembly (11) is arranged at the conical ring surface, and the conical ring surface and the filter element assembly (11) form surface seal or line seal.
7. The flat high temperature filter according to claim 6, wherein: the filter element assembly (11) comprises a filter element support (3) and a sintering filter screen (5), wherein the sintering filter screen (5) is fixed on the filter element support (3) and faces to the inlet (12); the outer ring surface of the filter element support (3) is a conical surface or an arc surface, and a bulge (15) matched with the positioning ring groove (14) is arranged on the outer ring surface of the filter element support (3).
8. The flat high temperature filter according to claim 7, wherein: the sintering filter screen (5) is fixed in the filter element support (3) through the compression ring (4), and one side of the filter element support (3) facing the outlet (13) is provided with a plurality of through holes.
9. The flat high temperature filter according to claim 7 or 8, wherein: the sintering filter screen (5) is a seven-layer metal sintering screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321750250.8U CN220194164U (en) | 2023-07-05 | 2023-07-05 | Flat high temperature filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321750250.8U CN220194164U (en) | 2023-07-05 | 2023-07-05 | Flat high temperature filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220194164U true CN220194164U (en) | 2023-12-19 |
Family
ID=89152256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321750250.8U Active CN220194164U (en) | 2023-07-05 | 2023-07-05 | Flat high temperature filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220194164U (en) |
-
2023
- 2023-07-05 CN CN202321750250.8U patent/CN220194164U/en active Active
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