CN107525314B - Filtering component and refrigerating system with same - Google Patents
Filtering component and refrigerating system with same Download PDFInfo
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- CN107525314B CN107525314B CN201710835526.5A CN201710835526A CN107525314B CN 107525314 B CN107525314 B CN 107525314B CN 201710835526 A CN201710835526 A CN 201710835526A CN 107525314 B CN107525314 B CN 107525314B
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- filter
- pipe section
- connecting pipe
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- filter chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/003—Filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/12—Sound
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a filter assembly and a refrigerating system with the same, wherein the filter assembly comprises: a filter defining a filtration chamber therein; a filter element disposed within the filter chamber; the filter device comprises a first connecting pipe and a second connecting pipe, wherein the first connecting pipe is provided with a first insertion pipe section extending into the filter chamber, the second connecting pipe is provided with a second insertion pipe section extending into the filter chamber, the first insertion pipe section and the second insertion pipe section are respectively inserted into the filter chamber from two axial ends of the filter chamber, and the first insertion pipe section and the second insertion pipe section are deviated from each other in the axial direction of the filter chamber. According to the filter assembly provided by the embodiment of the invention, the generated noise is low in the filtering process, so that the product quality can be improved to a certain extent.
Description
Technical Field
The invention relates to the technical field of filtering and dust removal, in particular to a filtering component and a refrigerating system with the same.
Background
In a refrigerant circulation circuit of a refrigeration system, a filter is generally disposed to filter impurities in the refrigerant circulation circuit, so as to prevent the impurities from entering a compressor or a throttling component such as an electronic expansion valve, a capillary tube, etc., thereby preventing the compressor from being damaged or the refrigeration system from being blocked. However, the filter of the related art generates a large amount of noise during the filtering operation, thereby reducing the quality of the product to some extent.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention provides a filter assembly, which generates little noise in the filtering process, thereby improving the product quality to a certain extent.
The invention also provides a refrigerating system with the filter assembly.
A filter assembly according to an embodiment of the first aspect of the invention comprises: a filter defining a filtration chamber therein; a filter element disposed within the filter chamber; the filter device comprises a first connecting pipe and a second connecting pipe, wherein the first connecting pipe is provided with a first insertion pipe section extending into the filter chamber, the second connecting pipe is provided with a second insertion pipe section extending into the filter chamber, the first insertion pipe section and the second insertion pipe section are respectively inserted into the filter chamber from two axial ends of the filter chamber, and the first insertion pipe section and the second insertion pipe section are deviated from each other in the axial direction of the filter chamber.
According to the filter assembly of the embodiment of the present invention, by deviating the first insertion tube section of the first connection pipe and the second insertion tube section of the second connection pipe from each other in the axial direction of the filter chamber, noise of the filter assembly during the filtering work can be greatly reduced.
In addition, the filter assembly according to the embodiment of the present invention may further have the following additional technical features:
according to one embodiment of the invention, one of the first insert tube section and the second insert tube section extends in the axial direction of the filter chamber and the other encloses an acute angle θ with the axial direction of the filter chamber.
Optionally, the acute angle θ ranges from 6 ° to 10 °.
According to one embodiment of the invention, the first insertion tube section and the second insertion tube section enclose an acute angle α and an acute angle β, respectively, with the axial direction of the filter chamber.
Optionally, the acute angle α and the acute angle β range from 3 ° to 5 °.
Optionally, the first and second insertion tube sections extend in an outside-in direction towards both sides of the axial direction of the filter chamber, respectively.
According to an embodiment of the invention, the projected length L1 of the first insertion tube section in the axial direction of the filter chamber and the inner diameter d1 of the first insertion tube section satisfy the following relation: l1 is more than or equal to 3 × d 1.
According to an embodiment of the invention, the projected length L2 of the second insertion tube section in the axial direction of the filter chamber and the inner diameter d2 of the second insertion tube section satisfy the following relation: l2 is more than or equal to 3 × d 2.
According to one embodiment of the invention, the filter comprises: a filter tube segment defining the filter chamber therein; the filter pipe comprises a first connecting pipe section and a second connecting pipe section, wherein the first connecting pipe section and the second connecting pipe section are respectively arranged at two axial ends of the filter pipe section, and the first connecting pipe and the second connecting pipe are respectively inserted in the first connecting pipe section and the second connecting pipe section.
A refrigeration system according to an embodiment of the second aspect of the invention comprises a filter assembly according to the embodiment of the first aspect of the invention described above.
According to the refrigeration system of the embodiment of the present invention, by providing the filtering assembly according to the embodiment of the first aspect of the present invention, the refrigeration system has all the advantages of the filtering assembly, and details are not described herein.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a filter assembly according to an embodiment of the invention.
Reference numerals:
a filter assembly 100;
a filter tube segment 11; a filtration chamber 111; a first connecting pipe section 12; a second connecting pipe section 13;
a filter member 2;
a first connecting pipe 3; a first insertion tube section 31;
a second connection pipe 4; a second insertion tube section 41;
and a discharge port 101.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the device or element 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.
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; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
A filter assembly 100 according to an embodiment of the first aspect of the invention is described below with reference to fig. 1. It should be noted that the filter assembly 100 is suitable for filtering a fluid to remove impurities from the fluid, for example, the filter assembly 100 may be used to remove impurities from a refrigerant circulation circuit of a refrigeration system to prevent the impurities from entering a compressor or a throttling component such as an electronic expansion valve, a capillary tube, etc., thereby preventing damage to the compressor or blockage of the refrigeration system. In the following description of the present application, the filter assembly 100 is described as being applied to a refrigerant circulation circuit, but the filter assembly 100 of the present application is not limited to the refrigerant circulation circuit.
As shown in fig. 1, a filter assembly 100 according to an embodiment of the present invention includes: filter, filter element 2, first connecting tube 3 and second connecting tube 4.
The filter defines a filtering chamber 111 therein, the filtering member 2 is disposed in the filtering chamber 111, alternatively, the filtering member 2 may be a filtering net, the first connecting pipe 3 has a first insertion pipe section 31 extending into the filtering chamber 111, the second connecting pipe 4 has a second insertion pipe section 41 extending into the filtering chamber 111, the first insertion pipe section 31 and the second insertion pipe section 41 are respectively inserted into the filtering chamber 111 from both axial ends (e.g., upper and lower ends shown in fig. 1) of the filtering chamber 111, and the first insertion pipe section 31 and the second insertion pipe section 41 are offset from each other in the axial direction of the filtering chamber 111.
The refrigerant in the refrigerant circulation circuit may enter the filtering chamber 111 through one of the first and second connection pipes 3 and 4 and flow out of the filtering chamber 111 through the other one of the first and second connection pipes 3 and 4, and the filter is generally disposed between the throttling device and the indoor heat exchanger or between the throttling device and the outdoor heat exchanger when the filter assembly 100 is used in the refrigerant circulation circuit of the refrigeration system.
When the filter is arranged between the throttling device and the indoor heat exchanger, the first connecting pipe 3 and the second connecting pipe 4 can be refrigerant pipelines connected with the throttling device and the indoor heat exchanger respectively, so that when the refrigeration system is in a refrigeration mode, refrigerant discharged by the throttling device enters the filtering chamber 111 through the first connecting pipe 3, and after impurities are removed by filtering of the refrigerant in the filtering chamber 111 through the filtering piece 2, the filtered refrigerant is discharged into the indoor heat exchanger through the second connecting pipe 4. On the contrary, in the heating mode, the refrigerant discharged from the indoor heat exchanger enters the filtering chamber 111 through the second connecting pipe 4, and after the refrigerant is filtered by the filtering member 2 in the filtering chamber 111 to remove impurities, the refrigerant enters the throttling device through the first connecting pipe 3.
When the filter is disposed between the throttling device and the outdoor heat exchanger, the first connection pipe 3 and the second connection pipe 4 may be refrigerant pipelines connected to the throttling device and the outdoor heat exchanger, respectively. When the refrigeration system is in a refrigeration mode, refrigerant flowing out of the outdoor heat exchanger enters the filtering chamber 111 through the second connecting pipe 4, and after impurities are removed by filtering of the refrigerant in the filtering chamber 111 through the filtering piece 2, the refrigerant enters the throttling device through the first connecting pipe 3. When the refrigerating system is in a heating mode, refrigerant discharged by the throttling device enters the filtering chamber 111 through the first connecting pipe 3, and after impurities are removed by filtering of the refrigerant in the filtering chamber 111 through the filtering piece 2, the refrigerant enters the outdoor heat exchanger through the second connecting pipe 4.
In the process that the refrigerant enters the filtering chamber 111 from one of the first and second connection pipes 3 and 4 and exits the filtering chamber 111 from the other of the first and second connection pipes 3 and 4, the area of the refrigerant flow cross-section is suddenly increased or decreased, which causes the refrigerant to generate strong impact, thereby generating impact noise.
In order to reduce noise of the refrigerant during the filtering process, the filter assembly 100 of the present application may extend the length of the flow path of the refrigerant in the filtering chamber 111 by deviating the first insertion tube section 31 of the first connecting tube 3 and the second insertion tube section 41 of the second connecting tube 4 from each other in the axial direction of the filtering chamber 111, thereby making the acoustic impedance to which the refrigerant is subjected in the filtering chamber large and making the energy loss of the refrigerant large, thereby greatly reducing noise of the filter assembly 100 during the filtering operation.
Thus, according to the filter assembly 100 of the embodiment of the present invention, by deviating the first insertion tube section 31 of the first connection pipe 3 and the second insertion tube section 41 of the second connection pipe 4 from each other in the axial direction of the filter chamber 111, noise of the filter assembly 100 during the filtering work can be greatly reduced.
In one embodiment of the present invention, one of the first insertion tube section 31 and the second insertion tube section 41 extends in the axial direction of the filter chamber 111 and the other thereof encloses an acute angle θ with the axial direction of the filter chamber 111. For example, in one example, the first insertion tube section 31 extends in the axial direction of the filter chamber 111, and the second insertion tube section 41 forms an acute angle θ with the axial direction of the filter chamber 111; in another example, the second insertion tube section 41 extends in the axial direction of the filter chamber 111, and the first insertion tube section 31 encloses an acute angle θ with the axial direction of the filter chamber 111. Therefore, the length of the flow path of the refrigerant in the filtering chamber 111 can be prolonged, the noise of the filtering assembly 100 in the filtering process can be greatly reduced, and the filtering screen assembly is simple in structure and convenient to produce and manufacture. Alternatively, the acute angle θ may range from 6 ° to 10 °, i.e., the acute angle θ may be greater than or equal to 6 ° and less than or equal to 10 °, for example, the acute angle θ may be 6 °, 7 °, 7.5 °, 8 °, or 10 °, and the like, thereby further reducing noise of the filter assembly 100 during the filtering operation.
In another embodiment of the present invention, as shown in fig. 1, the first insertion tube section 31 and the second insertion tube section 41 respectively enclose acute angles α and β with the axial direction of the filtering chamber 111. Specifically, the first insertion tube section 31 encloses an acute angle α with the axial direction of the filter chamber 111, and the second insertion tube section 41 encloses an acute angle β with the axial direction of the filter chamber 111.
Further, as shown in fig. 1, the first insertion tube section 31 and the second insertion tube section 41 extend toward both sides of the axial direction of the filter chamber 111 in the outside-in direction, respectively. For example, in the specific example shown in fig. 1, the first insertion tube extends in the outside-in direction toward the left side of the axial direction of the filter chamber 111, and the second insertion tube extends in the outside-in direction toward the right side of the axial direction of the filter chamber 111. Here, "outer" refers to a position away from the center of the filter chamber 111, and "inner" refers to a position adjacent to the center of the filter chamber 111. By extending the first and second inserted pipe sections 31 and 41 toward both sides of the axial direction of the filtering chamber 111 in the outside-in direction, respectively, not only the structure of the filter screen assembly is made more symmetrical, but also the refrigerant flow path length in the filtering chamber 111 is made longer, whereby the noise of the filter assembly 100 during the filtering operation can be reduced better.
Optionally, the acute angles α and β range from 3 ° to 5 °, i.e., the acute angles α and β may each be greater than or equal to 3 ° and less than or equal to 5 °, e.g., the acute angles α and β may be 3 °, 4 °, or 5 °, etc., thereby resulting in better noise reduction of the filter assembly 100. Preferably, the acute angle α and the acute angle β may be substantially equal, thereby making the structure of the filter assembly 100 more symmetrical and the noise reduction effect better.
It can be understood that when the refrigerant enters the filtering chamber 111 from the first insertion pipe section 31 or the second insertion pipe section 41, the refrigerant flow cross-sectional area will be suddenly increased, and the ambient pressure of the refrigerant will be suddenly reduced, so that the refrigerant will be gasified suddenly at the discharge port 101 of the first insertion pipe section 31 or the second insertion pipe section 41, and the refrigerant will have strong impact, thereby generating a large gasification noise.
In order to reduce the above-mentioned vaporization noise of the refrigerant, in a preferred embodiment of the present invention, the projected length L1 of the first insertion tube section 31 in the axial direction of the filter chamber 111 and the inner diameter d1 of the first insertion tube section 31 satisfy the following relationship: l1 ≧ 3 × d1, i.e., the length L1 of the projection of the first insertion tube section 31 in the axial direction of the filter chamber 111 is greater than or equal to three times the inner diameter d1 of the first insertion tube section 31. Further, the projected length L2 of the second insertion tube section 41 in the axial direction of the filter chamber 111 and the inner diameter d2 of the second insertion tube section 41 satisfy the following relation: l2 ≧ 3 × d2, i.e., the length L2 of the projection of the second insertion tube section 41 in the axial direction of the filter chamber 111 is greater than or equal to three times the inner diameter d2 of the second insertion tube section 41.
This allows the first and second inserted pipe sections 31 and 41 to form a pressure gradient with a gradually decreasing pressure in the outside-in direction, so that the refrigerant is not gasified too strongly at the discharge port 101 of the first or second inserted pipe section 31 or 41, thereby further reducing the noise of the filter assembly 100 during the filtering operation.
In one specific example of the present invention, as shown in fig. 1, the filter includes a filter pipe section 11, a first connection pipe section 12 and a second connection pipe section 13, the filter pipe section 11 defines a filter chamber 111 therein, the first connection pipe section 12 and the second connection pipe section 13 are respectively provided at both axial ends of the filter pipe section 11, and the first connection pipe 3 and the second connection pipe 4 are respectively inserted into the first connection pipe section 12 and the second connection pipe section 13.
The filter can be an integral piece, i.e. the filter tube segment 11 and the first connecting tube segment 12 are manufactured by an integral process, and the filter tube segment 11 and the second connecting tube segment 13 are also manufactured by an integral process. Therefore, the manufacturing process of the filter can be simplified, and the overall structural strength of the filter is higher.
The first connecting pipe 3 and the second connecting pipe 4 are respectively inserted into the first connecting pipe section 12 and the second connecting pipe section 13, the first connecting pipe 3 is inserted into the first connecting pipe section 12, and the second connecting pipe 4 is inserted into the second connecting pipe section 13, optionally, the first connecting pipe 3 and the first connecting pipe section 12, and the second connecting pipe 4 and the second connecting pipe section 13 are in interference fit, so that the first connecting pipe 3 and the first connecting pipe section 12, and the second connecting pipe 4 and the second connecting pipe section 13 are connected, and the structure is simple. Preferably, a first sealing ring (not shown) is arranged between the first connecting pipe 3 and the first connecting pipe section 12, and a second sealing ring (not shown) is arranged between the second connecting pipe 4 and the second connecting pipe section 13, so that the connection between the first connecting pipe 3 and the first connecting pipe section 12 and the connection between the second connecting pipe 4 and the second connecting pipe section 13 are tighter, and the sealing performance is good.
A refrigeration system according to an embodiment of the second aspect of the present invention includes a filter assembly 100 according to the above-described embodiment of the first aspect of the present invention.
According to the refrigeration system of the embodiment of the present invention, by providing the filter assembly 100 according to the embodiment of the first aspect of the present invention, the refrigeration system has all the advantages of the filter assembly 100, and thus, the description is omitted.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (5)
1. A filter assembly, comprising:
a filter defining a filtration chamber therein;
a filter element disposed within the filter chamber;
the filter device comprises a first connecting pipe and a second connecting pipe, wherein the first connecting pipe is provided with a first inserting pipe section extending into the filter chamber, the second connecting pipe is provided with a second inserting pipe section extending into the filter chamber, the first inserting pipe section and the second inserting pipe section are respectively inserted into the filter chamber from two axial ends of the filter chamber, the first inserting pipe section and the second inserting pipe section deviate from each other in the axial direction of the filter chamber, one of the first inserting pipe section and the second inserting pipe section extends in the axial direction of the filter chamber, an acute angle theta is formed between the other one of the first inserting pipe section and the second inserting pipe section and the axial direction of the filter chamber, and the range of the acute angle theta is 6-10 degrees;
the projection length L1 of the first insertion pipe section in the axial direction of the filter chamber and the inner diameter d1 of the first insertion pipe section satisfy the following relation: l1 is more than or equal to 3 × d 1; the projection length L2 of the second insertion pipe section in the axial direction of the filter chamber and the inner diameter d2 of the second insertion pipe section satisfy the following relation: l2 is more than or equal to 3 × d 2;
the filter includes:
a filter tube segment defining the filter chamber therein;
the filter pipe comprises a first connecting pipe section and a second connecting pipe section, wherein the first connecting pipe section and the second connecting pipe section are respectively arranged at the two axial ends of the filter pipe section, and the first connecting pipe and the second connecting pipe are respectively inserted into the first connecting pipe section and the second connecting pipe section;
the filtering pipe section comprises a first gradually-expanding section, an equal-diameter section and a second gradually-expanding section, the two axial ends of the equal-diameter section are respectively connected with the first gradually-expanding section and the second gradually-expanding section, the other end of the first gradually-expanding section is connected with the first connecting pipe section, and the other end of the second gradually-expanding section is connected with the second connecting pipe section.
2. The filter assembly of claim 1, wherein the first and second insert tube segments enclose acute angles α and β, respectively, with an axial direction of the filter chamber.
3. The filter assembly of claim 2, wherein the acute angle α and the acute angle β range from 3 ° to 5 °.
4. The filter assembly of claim 2, wherein the first and second insert tube segments extend in an outside-in direction toward respective sides of an axial direction of the filter chamber.
5. A refrigeration system, comprising: the filter assembly of any of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710835526.5A CN107525314B (en) | 2017-09-15 | 2017-09-15 | Filtering component and refrigerating system with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710835526.5A CN107525314B (en) | 2017-09-15 | 2017-09-15 | Filtering component and refrigerating system with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107525314A CN107525314A (en) | 2017-12-29 |
| CN107525314B true CN107525314B (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710835526.5A Active CN107525314B (en) | 2017-09-15 | 2017-09-15 | Filtering component and refrigerating system with same |
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| Country | Link |
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| CN (1) | CN107525314B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003314930A (en) * | 2002-04-19 | 2003-11-06 | Daikin Ind Ltd | Multi-chamber air conditioner |
| CN204006835U (en) * | 2014-07-11 | 2014-12-10 | 新昌县康利德制冷配件有限公司 | A kind of device for drying and filtering |
| CN204043253U (en) * | 2014-08-22 | 2014-12-24 | 浙江施克汽车配件有限公司 | Air conditioning for automobiles liquid storage device for drying and filtering |
| CN205580051U (en) * | 2016-04-20 | 2016-09-14 | 合肥华凌股份有限公司 | Drier -filter and contain its refrigerating plant |
| CN206399053U (en) * | 2016-12-06 | 2017-08-11 | 无锡优耐特净化装备有限公司 | Device for drying and filtering |
-
2017
- 2017-09-15 CN CN201710835526.5A patent/CN107525314B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003314930A (en) * | 2002-04-19 | 2003-11-06 | Daikin Ind Ltd | Multi-chamber air conditioner |
| CN204006835U (en) * | 2014-07-11 | 2014-12-10 | 新昌县康利德制冷配件有限公司 | A kind of device for drying and filtering |
| CN204043253U (en) * | 2014-08-22 | 2014-12-24 | 浙江施克汽车配件有限公司 | Air conditioning for automobiles liquid storage device for drying and filtering |
| CN205580051U (en) * | 2016-04-20 | 2016-09-14 | 合肥华凌股份有限公司 | Drier -filter and contain its refrigerating plant |
| CN206399053U (en) * | 2016-12-06 | 2017-08-11 | 无锡优耐特净化装备有限公司 | Device for drying and filtering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107525314A (en) | 2017-12-29 |
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