CN115121051A - High-precision heat exchanger filter element and production method thereof - Google Patents
High-precision heat exchanger filter element and production method thereof Download PDFInfo
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- CN115121051A CN115121051A CN202210834376.7A CN202210834376A CN115121051A CN 115121051 A CN115121051 A CN 115121051A CN 202210834376 A CN202210834376 A CN 202210834376A CN 115121051 A CN115121051 A CN 115121051A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 28
- 238000009792 diffusion process Methods 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 6
- 230000003746 surface roughness Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- 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
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- 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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of heat exchanger filter elements, in particular to a high-precision heat exchanger filter element and a production method thereof. A high-precision heat exchanger cartridge comprising: the support mechanism comprises a first support body and a second support body, the first support body and the second support body are fixed through diffusion welding, and a plurality of circulation holes are formed in the first support body and the second support body; the filtering layer is arranged between the first support body and the second support body, a plurality of filtering holes are formed in the filtering layer, and the diameter of each filtering hole is smaller than that of the corresponding circulation hole. The high-precision heat exchanger filter element with the structure is arranged between the first support body and the second support body through the filter layer, and a plurality of filter holes are formed in the filter layer, so that the strength of the filter screen is improved while the filter precision of the filter layer is high, and further the problems of deformation and damage of the filter screen can be prevented.
Description
Technical Field
The invention relates to the technical field of heat exchanger filter elements, in particular to a high-precision heat exchanger filter element and a production method thereof.
Background
With the development of social technology, various products such as high-precision heat exchangers are put into use, solid particles in the high-temperature gas transmission process are filtered, the high and special requirements on the use working conditions of the products are met, and the high requirements are provided for the design and manufacture of filters.
The filter element of a common filter mostly adopts a wire mesh as a filter screen, and the structure is a riveting or welding support frame, although the filter accuracy of the filter screen can meet the requirement of the filter accuracy, the filter screen has poor high temperature resistance and high pressure difference resistance, and can not meet the use requirement of special working conditions;
the filter element of the high-pressure-resistant and high-temperature-resistant filter with the special purpose is manufactured by machining or etching a plate to form filter holes to form a filter plate, and then bending, forming, welding and other processes.
Disclosure of Invention
Therefore, the invention aims to overcome the defects that the filter screen in the prior art is low in filtering precision and the strength of the filter screen is not high, and provides the high-precision heat exchanger filter element and the production method thereof.
In order to solve the above problems, the present invention provides a high-precision heat exchanger filter element, comprising:
the support mechanism comprises a first support body and a second support body, the first support body and the second support body are fixed through diffusion welding, and a plurality of circulation holes are formed in the first support body and the second support body;
the filtering layer is arranged between the first support body and the second support body, a plurality of filtering holes are formed in the filtering layer, and the diameter of each filtering hole is smaller than that of the corresponding circulation hole.
Furthermore, a limiting groove is formed in the second support body, the filter layer is arranged in the limiting groove, and the limiting groove is matched with the filter layer.
Furthermore, the thickness of the filter layer is the same as the height of the limiting groove.
Furthermore, still be provided with a plurality of locating parts on the second supporter, the second supporter passes through the locating part is connected with first supporter, be provided with on the filter layer with the spacing hole of locating part one-to-one, the filter layer passes through spacing hole setting first supporter with between the second supporter.
Furthermore, a plurality of the filter holes are uniformly distributed on the filter layer.
Further, the method also comprises the following steps:
and the first support body and the second support body are connected with the flange in a welding manner.
The invention also provides a production method of the high-precision heat exchanger filter element, which comprises the following steps:
s1: selecting a filter layer and making the filter layer into a required shape;
s2: selecting a metal material, processing the metal material into a first support body and a second support body, calculating the total area of the circulation holes according to the throughput and the pressure difference of gas or liquid, and determining the number, the interval and the diameter of the circulation holes according to the total area of the circulation holes;
s3: then the filter layer is placed in a second support body, the first support body and the second support body are buckled, and then the first support body and the second support body are placed in a diffusion welding furnace for welding;
s4: and taking out the welded support body, and processing the support body into a required shape by processing.
Further, in S2, the surface roughness of the first support and the second support is not more than ra0.8.
Further, the melting point of the first support body and the second support body is smaller than the melting point of the filter layer.
The invention has the following advantages:
1. the invention discloses a high-precision heat exchanger filter element, which comprises: a support mechanism and a filter layer. The supporting mechanism comprises a first supporting body and a second supporting body, the first supporting body and the second supporting body are fixed through diffusion welding, and a plurality of circulation holes are formed in the first supporting body and the second supporting body; the filtering layer is arranged between the first support body and the second support body, a plurality of filtering holes are formed in the filtering layer, and the diameter of each filtering hole is smaller than that of the corresponding circulation hole.
The high-precision heat exchanger filter element of this structure, through setting up the filter layer between first supporter and second supporter, and set up a plurality of filtration pores of crossing on the filter layer, set up the opening on first supporter and second supporter, thereby when guaranteeing that filter layer filter fineness is high, the intensity of filter screen has been improved, further first supporter adopts diffusion welded fastening with the second supporter, adopt diffusion welded fastening to play fixed spacing effect to the filter layer, and guarantee the reliability of filter layer when effectual promotion whole anti high pressure differential, prevent that the silk of silk screen does not have fixedly when using, it leads to the filter fineness to descend to produce the displacement.
2. The high-precision heat exchanger filter element of this structure is through setting up the spacing groove on the second supporter to the height in spacing groove is the same with the thickness of filter layer, thereby makes the setting that the filter layer can match on the second supporter, can effectually prevent to lead to first supporter and second supporter can't be fixed the filter layer because of having the clearance, and is further, has improved the intensity of filter layer.
3. The high-precision heat exchanger filter element with the structure is characterized in that the second support body is provided with the limiting part, the filter layer is provided with the limiting hole corresponding to the limiting part, the limiting part is matched with the limiting hole, the filter layer can be prevented from moving, the filter layer is limited, the filter layer is further improved in attaching degree of the filter layer to the first support body and the second support body, and strength of the filter layer is effectively improved.
4. The high-precision heat exchanger filter element with the structure uniformly distributes a plurality of filter holes on the filter layer, thereby improving the filter precision of the filter layer and further improving the practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a filter element of a high-precision heat exchanger in embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of a filter element of a high-precision heat exchanger in example 1 of the present invention;
FIG. 3 is a schematic structural view of a second support body in example 1 of the present invention;
FIG. 4 is a schematic view showing the structure of a filter layer in example 1 of the present invention;
FIG. 5 is a graph showing a change in metallographic structure after diffusion welding in example 2 of the present invention;
description of the reference numerals:
1. a first support; 2. a second support; 3. a flow-through hole; 4. a filter layer; 5. a limiting groove; 6. a limiting member; 7. a limiting hole; 8. and (4) a flange.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example one
As shown in fig. 1 to 4, the invention discloses a high-precision heat exchanger filter element, which comprises a support mechanism and a filter layer 4. The supporting mechanism comprises a first supporting body 1 and a second supporting body 2, the first supporting body 1 and the second supporting body 2 are fixed through diffusion welding, and a plurality of circulation holes 3 are formed in the first supporting body 1 and the second supporting body 2. In the present embodiment, the first supporting body 1 and the second supporting body 2 are welded and fixed to each other to form a cylindrical structure, and in other embodiments, the first supporting body 1 and the second supporting body 2 are welded and fixed to each other to form a hollow barrel-shaped structure, a rectangular structure, and the like. The filter layer 4 is arranged between the first support body 1 and the second support body 2, a plurality of filter holes are arranged on the filter layer 4, and the diameter of each filter hole is smaller than that of the circulation hole 3. The filter layer 4 sets up between first supporter 1 and second supporter 2, and after first supporter 1 and the diffusion welded fastening of second supporter 2, the filtration pore of crossing of filter layer 4 can be filled because of the deflection that diffusion welded high temperature high pressure produced by the supporter, reaches the fixed spacing effect to filter layer 4, and the effectual intensity that improves the filter screen has prevented that deformation and damaged problem from appearing in the filter screen.
Preferably, the plurality of flow holes 3 formed in the first support 1 and the second support 2 are uniformly distributed, and the flow holes 3 formed in the first support 1 and the flow holes 3 formed in the second support 2 are arranged in a one-to-one correspondence.
Preferably, forty-four flow holes 3 are provided in the first support 1 and the second support 2. In other embodiments, other numbers of flow holes 3, such as forty-three or forty-five, may be provided in the first support 1 and the second support 2.
Furthermore, a plurality of filter holes are evenly distributed on the filter layer 4.
Preferably, the filter layer 4 is a 400 mesh wire mesh filter.
Further, as shown in fig. 2, a limiting groove 5 is provided on the second supporting body 2, the filter layer 4 is disposed in the limiting groove 5, and the limiting groove 5 is disposed in a matching manner with the filter layer 4. Preferably, in the present embodiment, the stopper groove 5 is a circular groove. In other embodiments, the retaining groove 5 may be a rectangular groove or other shape.
It should be noted that the filter layer 4 is matched with the limiting groove 5. For example, the limiting groove 5 is a circular groove, and the filter layer 4 is a circular structure matched with the limiting groove 5; if the limiting groove 5 is a rectangular groove, the filter layer 4 is of a rectangular structure matched with the limiting groove 5.
Further, the thickness of the filter layer 4 is the same as the height of the limiting groove 5, so that the first support body 1 can be better attached to the second support body 2, and the filter layer 4 is better limited and fixed.
Further, as shown in fig. 3, a plurality of limiting members 6 are further disposed on the second supporting body 2, the second supporting body 2 is connected to the first supporting body 1 through the limiting members 6, limiting holes 7 corresponding to the limiting members 6 one to one are disposed on the filter layer 4, and the filter layer 4 is disposed between the first supporting body 1 and the second supporting body 2 through the limiting holes 7. The limiting part 6 is fixedly arranged in the limiting groove 5, the limiting part 6 is of a cylindrical structure, the height of the limiting part 6 is consistent with that of the limiting groove 5, the filter layer 4 can be arranged in the limiting groove 5 of the second support body 2 through the matching of the limiting hole 7 and the limiting part 6, the limiting part 6 can prevent the filter layer 4 from moving in the limiting groove 5, and the filter layer 4 is limited and fixed.
Further, the outer diameter of the limiting member 6 is smaller than the inner diameter of the limiting hole 7.
Preferably, the plurality of limiting holes 7 are uniformly distributed in the limiting groove 5.
Preferably, in this embodiment, fifty two limiting members 6 are disposed on the second supporting body 2, and the number of the limiting holes 7 is the same as that of the limiting members 6. In other alternative embodiments, other numbers of the limiting members 6, such as fifty one or fifty three, may be disposed on the second supporting body 2.
Further, the support device further comprises a flange 8, and the first support body 1 and the second support body 2 are connected with the flange 8 in a welding mode. The thickness of the flange 8 is larger than the thickness of the cylindrical structure after the first supporting body 1 and the second supporting body 2 are welded and fixed.
Preferably, the flange 8 is 10mm thicker than the thickness of the cylindrical structure of the first support body 1 and the second support body 2 after welding and fixing. In other alternative embodiments, the flange 8 may be 9mm or 11mm thicker than the thickness of the cylindrical structure after the first supporting body 1 and the second supporting body 2 are welded and fixed.
Preferably, the flange 8 is made of the same material as the first and second supporting bodies 1 and 2.
The implementation principle of the embodiment is as follows:
the limiting holes 7 of the filter layer 4 are in one-to-one correspondence with the limiting parts 6, the filter layer 4 is placed in the limiting groove 5 of the second support body 2, the first support body 1 is buckled at the upper end of the second support body 2, then the first support body 1 and the second support body 2 are fixed through diffusion welding, and finally the first support body 1 and the second support body 2 which are fixedly welded are welded and fixed with the flange 8.
Example two
The invention discloses a production method of a high-precision heat exchanger filter element, which comprises the following steps:
s1: the filter layer 4 is selected and shaped as desired.
In this embodiment, the filter layer 4 is made of 400 mesh screen filter material, the material of the filter layer 4 is GH625 high temperature alloy, and the filter layer 4 can be made into a desired shape by punching, cutting or laser cutting process. Preferably, in this embodiment, the filter layer 4 is made in a circular configuration by stamping.
S2: selecting metal materials, processing the metal materials into a first support body 1 and a second support body 2, calculating the total area of the circulation holes 3 according to the throughput and the pressure difference of the gas, and determining the number, the interval and the diameter of the circulation holes 3 according to the total area of the circulation holes 3.
Preferably, the material of the first support body 1 and the second support body 2 is 310S high-temperature stainless steel. In the present embodiment, the first support body 1 and the second support body 2 are manufactured in a cylindrical structure.
Furthermore, the surface roughness of the first supporting body 1 and the second supporting body 2 is less than Ra0.8, so that no gap exists after the first supporting body 1 and the second supporting body 2 are buckled, and the buckling tightness of the first supporting body 1 and the second supporting body 2 is ensured.
Preferably, in the present embodiment, the surface roughness of the first support 1 and the second support 2 is ra0.8. In other embodiments, the surface roughness of the first support 1 and the second support 2 may be in the range of ra0.7, ra0.6, or the like.
It should be noted that it is a conventional technical means in the art to calculate the total area of the flow holes 3 by the throughput of gas and the pressure difference and determine the number, the pitch and the diameter of the flow holes 3, and it is not described in detail herein.
S3: then the filter layer 4 is placed into the second support body 2, and the first support body 1 and the second support body 2 are buckled and then placed into a diffusion welding furnace for welding.
Furthermore, set up spacing groove 5 on second supporter 2 to set up locating part 6 in spacing groove 5, set up the spacing hole 7 with locating part 6 one-to-one through the punching press on filter layer 4, filter layer 4 sets up in spacing groove 5 through spacing hole 7 and the cooperation of locating part 6, later with first supporter 1 lock on second supporter 2 with filter layer 4 fixed, put into the diffusion welding stove with first supporter 1 after the lock and second supporter 2 and carry out the diffusion welding. Specifically, the melting point of the support body is smaller than that of the filter layer 4, and the filter layer 4 is not damaged by high temperature and pressure in the diffusion welding process.
Under the high temperature condition in diffusion welding, the supporter can be because of the high temperature softening, the supporter can produce the deflection because of diffusion welding's high temperature high pressure, because the melting point of filter layer 4 is higher than the supporter, consequently, the hardness of filter layer is greater than the supporter, can not produce the deformation, and higher pressure when diffusion welding, consequently can press the plane part of supporter into the pore department of filter layer 4 together, reach the fixed spacing effect to filter layer 4 silk screen, thereby promote whole anti high pressure differential and guarantee its reliability, prevent that the silk of silk screen does not have fixedly when using, it leads to filtering accuracy to descend to produce the displacement.
As shown in fig. 5, fig. 5 shows a change in metallographic structure after diffusion welding of the first support 1 and the second support 2. Before diffusion welding, the first support body 1 and the second support body 2 are different bodies, and after diffusion welding, the direct contact surfaces of the first support body 1 and the second support body 2 form a whole body due to the effect of diffusion welding, and a high-strength integral support body is obtained.
S4: and taking out the welded support body, and processing the support body into a required shape by processing.
Preferably, in this embodiment, the welded support body is taken out, and the welded support body is welded and fixed to the flange 8.
It should be noted that, preferably, in the present embodiment, the first supporting body 1 and the second supporting body 2 are cylindrical structures, the limiting groove 5 is a circular groove, and the filter layer 4 is a circular structure matching with the limiting groove 5. In other embodiments, the first support 1 and the second support 2 are hollow cylindrical structures, the outer diameter of the first support 1 matches the inner diameter of the second support 2, and the filter layer 4 is disposed between the first support 1 and the second support 2.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. A high-precision heat exchanger filter element, comprising:
the supporting mechanism comprises a first supporting body (1) and a second supporting body (2), the first supporting body (1) and the second supporting body (2) are fixed through diffusion welding, and a plurality of circulation holes (3) are formed in the first supporting body (1) and the second supporting body (2);
the filtering layer (4) is arranged between the first supporting body (1) and the second supporting body (2), a plurality of filtering holes are formed in the filtering layer (4), and the diameter of each filtering hole is smaller than that of the circulation hole (3).
2. The high precision heat exchanger cartridge of claim 1, wherein:
the second support body (2) is provided with a limiting groove (5), the filter layer (4) is arranged in the limiting groove (5), and the limiting groove (5) is matched with the filter layer (4).
3. A high precision heat exchanger cartridge as recited in claim 2, wherein:
the thickness of the filter layer (4) is the same as the height of the limiting groove (5).
4. A high precision heat exchanger cartridge as recited in any one of claims 1 to 3, wherein:
still be provided with a plurality of locating parts (6) on second supporter (2), second supporter (2) are passed through locating part (6) are connected with first supporter (1), be provided with on filter layer (4) with spacing hole (7) of locating part (6) one-to-one, filter layer (4) set up through spacing hole (7) first supporter (1) with between second supporter (2).
5. The high precision heat exchanger cartridge of claim 4, wherein:
the plurality of filter holes are uniformly distributed on the filter layer (4).
6. The high precision heat exchanger cartridge of claim 5, further comprising:
the flange (8), first supporter (1) with second supporter (2) and flange (8) welded connection.
7. A production method of a high-precision heat exchanger filter element is characterized by comprising the following steps:
s1: selecting a filter layer (4) and making the filter layer into a required shape;
s2: selecting metal materials, processing the metal materials into a first support body (1) and a second support body (2), calculating the total area of the circulation holes (3) according to the throughput and the pressure difference of gas or liquid, and determining the number, the interval and the diameter of the circulation holes (3) according to the total area of the circulation holes (3);
s3: then the filter layer (4) is placed in the second support body (2), and the first support body (1) and the second support body (2) are buckled and then placed in a diffusion welding furnace for welding;
s4: and taking out the welded support body, and processing the support body into a required shape by processing.
8. The method for producing a high precision heat exchanger cartridge of claim 7, wherein:
in S2, the surface roughness of the first support (1) and the second support (2) is not more than ra0.8.
9. The method for producing a high precision heat exchanger cartridge of claim 8, wherein:
the melting points of the first support body (1) and the second support body (2) are less than the melting point of the filter layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210834376.7A CN115121051A (en) | 2022-07-14 | 2022-07-14 | High-precision heat exchanger filter element and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210834376.7A CN115121051A (en) | 2022-07-14 | 2022-07-14 | High-precision heat exchanger filter element and production method thereof |
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| CN115121051A true CN115121051A (en) | 2022-09-30 |
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| CN202210834376.7A Pending CN115121051A (en) | 2022-07-14 | 2022-07-14 | High-precision heat exchanger filter element and production method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201492991U (en) * | 2009-08-18 | 2010-06-02 | 蔡忠 | Tapered filter cylinder |
| CN201988317U (en) * | 2010-12-22 | 2011-09-28 | 广州市汉粤净化科技有限公司 | Diffusion perforated plate of absorption drier |
| CN203777838U (en) * | 2014-03-05 | 2014-08-20 | 江苏创云环保科技有限公司 | High-efficiency filter |
| CN106076220A (en) * | 2016-08-02 | 2016-11-09 | 杭州沈氏节能科技股份有限公司 | A kind of gas-solid phase microreactor |
| CN213995191U (en) * | 2020-07-20 | 2021-08-20 | 河南省超滤净化设备有限公司 | Structure of two-way high-pressure high-precision filter element |
| CN215195624U (en) * | 2021-06-08 | 2021-12-17 | 奥星制药设备（石家庄）有限公司 | Chassis filtering structure and filtering, washing and drying machine |
| CN216282993U (en) * | 2021-12-01 | 2022-04-12 | 杭州沈氏节能科技股份有限公司 | Micro-channel heat exchanger filter core and micro-channel heat exchanger with same |
-
2022
- 2022-07-14 CN CN202210834376.7A patent/CN115121051A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201492991U (en) * | 2009-08-18 | 2010-06-02 | 蔡忠 | Tapered filter cylinder |
| CN201988317U (en) * | 2010-12-22 | 2011-09-28 | 广州市汉粤净化科技有限公司 | Diffusion perforated plate of absorption drier |
| CN203777838U (en) * | 2014-03-05 | 2014-08-20 | 江苏创云环保科技有限公司 | High-efficiency filter |
| CN106076220A (en) * | 2016-08-02 | 2016-11-09 | 杭州沈氏节能科技股份有限公司 | A kind of gas-solid phase microreactor |
| CN213995191U (en) * | 2020-07-20 | 2021-08-20 | 河南省超滤净化设备有限公司 | Structure of two-way high-pressure high-precision filter element |
| CN215195624U (en) * | 2021-06-08 | 2021-12-17 | 奥星制药设备（石家庄）有限公司 | Chassis filtering structure and filtering, washing and drying machine |
| CN216282993U (en) * | 2021-12-01 | 2022-04-12 | 杭州沈氏节能科技股份有限公司 | Micro-channel heat exchanger filter core and micro-channel heat exchanger with same |
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