CN115143667A - Cylindrical micro-channel evaporator for refrigeration - Google Patents
Cylindrical micro-channel evaporator for refrigeration Download PDFInfo
- Publication number
- CN115143667A CN115143667A CN202210833350.0A CN202210833350A CN115143667A CN 115143667 A CN115143667 A CN 115143667A CN 202210833350 A CN202210833350 A CN 202210833350A CN 115143667 A CN115143667 A CN 115143667A
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- CN
- China
- Prior art keywords
- flat tube
- microchannel
- inlet
- pipe
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D17/00—Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles
- F28D17/02—Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles using rigid bodies, e.g. of porous material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/04—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a cylindrical microchannel type evaporator for refrigeration, which comprises a plurality of flat tube structures, wherein one ends of the flat tube structures are connected with an inlet collecting pipe; the other ends of the flat tube structures are connected with an outlet header; an inlet pipe is connected to the left side of the front end face of the inlet header; an outlet pipe is connected to the right side of the front end face of the outlet header; the lower end face of the inlet collecting pipe is provided with a plurality of first hooping supporting lugs, and the upper end face of the outlet collecting pipe is correspondingly provided with a plurality of second hooping supporting lugs. The invention solves the problems that the copper tube for the evaporator of the vacuum freeze dryer is manufactured into a spiral shape and is sleeved on the excircle of the drying box of the vacuum freeze dryer, and the copper tube is in line contact with the excircle of the drying box, so that the contact area is small and the heat transfer efficiency of the evaporator and the drying box is low.
Description
Technical Field
The invention relates to a cylindrical micro-channel type evaporator for refrigeration.
Background
The vacuum freeze drying is a vacuum freeze dryer which integrates a refrigerating system, a vacuum system, a heat transfer oil heating system and a moisture removal system into a whole and releases a novel box structure, and the material storage space in the box is greatly utilized for carrying out the vacuum freeze drying. At present, the copper tube for the evaporator of the vacuum freeze dryer is manufactured into a spiral shape and is sleeved on the excircle of the drying box of the vacuum freeze dryer, and the copper tube is used and is in line contact with the excircle of the drying box, so that the contact area is small, and the heat transfer efficiency of the evaporator and the drying box is low.
Disclosure of Invention
The invention aims to provide a cylindrical micro-channel type evaporator for refrigeration, which increases the contact area between the evaporator and a drying box and improves the heat dissipation efficiency.
The technical scheme for realizing the purpose is as follows: a cylindrical microchannel type evaporator for refrigeration comprises a plurality of flat tube structures, wherein one ends of the flat tube structures are connected with an inlet collecting pipe; the other ends of the flat tube structures are connected with an outlet header; the inlet header and the outlet header are communicated with each other through a plurality of flat tube structures; an inlet pipe is connected to the left side of the front end face of the inlet header; the inlet pipe and the inlet header are communicated with each other; an outlet pipe is connected to the right side of the front end face of the outlet header; the outlet pipe and the outlet header are communicated with each other; the lower end surface of the inlet collecting pipe is provided with a plurality of first clamping lugs, and the upper end surface of the outlet collecting pipe is correspondingly provided with a plurality of second clamping lugs.
Preferably, hoops penetrate through the first hooping lugs and the corresponding second hooping lugs; the lower surface of each first hooping lug is closely attached to the upper surface of the corresponding second hooping lug.
Preferably, the inner walls of the flat tube structures are tightly attached to the outer side wall of the drying box.
Preferably, the plurality of flat tube structures are first microchannel flat tubes; a plurality of first capillary channels are arranged in the first micro-channel flat tubes.
Preferably, the plurality of flat tube structures are second microchannel flat tubes; and a plurality of second capillary pipelines are arranged in the second micro-channel flat tubes.
Preferably, a plurality of third capillary pipelines are arranged in a third microchannel flat tube by the aid of the flat tube structures.
Preferably, the first microchannel flat tube and the first microchannel flat tube are made of aluminum.
Preferably, a first electromagnetic valve is installed in the inlet pipe; and a second electromagnetic valve is arranged in the outlet pipe.
Preferably, a heat conducting pad is arranged between the flat tube structures and the outer side wall of the drying box.
The invention has the beneficial effects that: the inner walls of the flat tube structures are tightly attached to the outer side wall of the drying box, heat conducting pads are arranged between the flat tube structures and the outer side wall of the drying box, the contact area is increased, the heat transfer efficiency of the evaporator and the drying box is greatly improved, and the heat conducting pads are used for absorbing the heat of the drying box and transferring the heat to the flat tube structures;
the stirrup passes inside each first hooping journal stirrup and the second hooping journal stirrup that corresponds, can collect the pipe reciprocal anchorage with the import, adopts the stirrup to make things convenient for this device installation and dismantlement on the lateral wall of drying cabinet.
Drawings
FIG. 1 is a schematic illustration of the present invention and the position of the drying cabinet;
FIG. 2 is a perspective view of the present invention;
fig. 3 is a diagram of the internal components of the flat tube structure 1 according to the invention.
In the figure: 1. a flat tube structure; 2. an inlet header; 3. an outlet header; 4. an inlet pipe; 5. an outlet pipe; 6. the first hooping lug; 7. the second hooping lug; 8. a drying oven; 11. a first microchannel flat tube; 12. a second microchannel flat tube; 13. and a third microchannel flat tube.
Detailed Description
The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings. 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.
The invention will be further explained with reference to the drawings.
As shown in fig. 1 to 3, a cylindrical microchannel-type evaporator for refrigeration includes a plurality of flat tube structures 1, an inlet header 2, an outlet header 3, an inlet tube 4, and an outlet tube 5.
The inlet collecting pipe 2 is connected with one end of a plurality of flat pipe structures 1; the other ends of the flat tube structures 1 are connected with an outlet header 3; the inlet collecting pipe 2 and the outlet collecting pipe 3 are communicated with each other through a plurality of flat pipe structures 1, and refrigerants can mutually circulate in the inlet collecting pipe 2, the outlet collecting pipe 3 and the plurality of flat pipe structures 1; the inlet pipe 4 is connected to the left side of the front end face of the inlet collecting pipe 2 and can discharge the refrigerant liquid into the inlet collecting pipe 2; the inlet pipe 4 is communicated with the inlet header 2; the right side of the front end surface of the outlet header 3 is connected with an outlet pipe 5; the outlet pipe 5 is communicated with the outlet header 3; the lower end surface of the inlet header 2 is provided with a plurality of first clamping lugs 6, and the upper end surface of the outlet header 3 is correspondingly provided with a plurality of second clamping lugs 7.
The stirrups penetrate through the first hooping support lugs 6 and the corresponding second hooping support lugs 7, so that the inlet collecting pipe 2 and the outlet collecting pipe 3 can be fixed mutually, and the stirrups can facilitate the device to be installed and detached on the outer side wall of the drying box 8; the lower surface of each first gripping lug 6 is closely attached to the upper surface of the corresponding second gripping lug 7.
The inner walls of the flat tube structures 1 are tightly attached to the outer side wall of the drying box 8, so that the device is in contact with the outer side wall of the drying box 8, the contact area is increased, and the heat transfer efficiency of the evaporator and the drying box is greatly improved; the plurality of flat tube structures 1 are first microchannel flat tubes 11; a plurality of first capillary pipelines are arranged in the first microchannel flat tubes 11, and refrigerants in the first capillary pipelines absorb heat transferred to the first microchannel flat tubes 11 by the drying box 8 to dissipate heat of the drying box 8; the plurality of flat tube structures 1 are second microchannel flat tubes 12; a plurality of second capillary pipelines are arranged in the second microchannel flat tubes 12, and refrigerants in the second capillary pipelines absorb heat transferred to the second microchannel flat tubes 12 by the drying box 8 to dissipate heat of the drying box 8; many flat tube structure 1 have seted up a plurality of third capillary pipelines for third microchannel flat pipe 13 is seted up, and the heat that the refrigerant in a plurality of third capillary pipelines passed through 8 transfers for third microchannel flat pipe 13 of absorption drying cabinet, dispels the heat to drying cabinet 8.
The first micro-channel flat tubes 11, the first micro-channel flat tubes 12 and the first micro-channel flat tubes 13 are made of aluminum, and the aluminum material is light in weight, malleable, convenient to manufacture and simple to mount; a first electromagnetic valve is arranged in the inlet pipe 4, a second electromagnetic valve is arranged in the outlet pipe 5, and the first electromagnetic valve and the second electromagnetic valve control the circulation of refrigerant; be provided with the heat conduction pad between many flat tubular construction 1 and the lateral wall of drying cabinet 8, the heat conduction pad is used for absorbing the heat of drying cabinet 8, transmits for many flat tubular construction 1.
The working principle is as follows: firstly, the device is sleeved on the outer side wall of a drying box 8 of a vacuum freeze dryer, and the inner walls of a plurality of flat tube structures 1 are tightly attached to the outer side wall of the drying box 8 by using stirrups of stirrup supporting lugs; then, a refrigerant is conveyed to the inlet pipe 4 by means of a water pump and other tools, the first electromagnetic valve is opened, the refrigerant enters the inlet collecting pipe 2, the plurality of flat pipe structures 1 and the outlet collecting pipe 3, and heat of the drying box 8 is absorbed through heat transfer; when the interiors of the flat tube structures 1 are filled with the refrigerant, closing the first electromagnetic valve; when the refrigerant is discharged, the second electromagnetic valve is opened, and the refrigerant in the device is discharged from the outlet pipe 5 by means of a water pump and the like;
in another embodiment, the first electromagnetic valve and the second electromagnetic valve are opened simultaneously, the refrigerant in the device is kept in a one-way circulation state by means of tools such as a water pump and the like, and the drying box can be rapidly and efficiently cooled.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A cylindrical microchannel type evaporator for refrigeration comprises a plurality of flat tube structures (1), and is characterized in that one ends of the flat tube structures (1) are connected with an inlet collecting tube (2); the other ends of the flat tube structures (1) are connected with an outlet header (3); the inlet collecting pipe (2) and the outlet collecting pipe (3) are communicated with each other through a plurality of flat pipe structures (1); an inlet pipe (4) is connected to the left side of the front end face of the inlet header (2); the inlet pipe (4) is communicated with the inlet header (2); an outlet pipe (5) is connected to the right side of the front end surface of the outlet header (3); the outlet pipe (5) and the outlet header (3) are communicated with each other; the lower end face of the inlet collecting pipe (2) is provided with a plurality of first hooping lugs (6), and the upper end face of the outlet collecting pipe (3) is correspondingly provided with a plurality of second hooping lugs (7).
2. A cylindrical microchannel refrigeration evaporator as set forth in claim 1 wherein each of the first and second clamping lugs (6, 7) is internally threaded with a stirrup; the lower surface of each first hooping lug (6) is closely attached to the upper surface of the corresponding second hooping lug (7).
3. A cylindrical microchannel refrigeration evaporator according to claim 1, wherein the inner walls of the plurality of flat tube structures (1) are closely attached to the outer side wall of the drying box (8).
4. A cylindrical microchannel refrigeration evaporator as set forth in claim 1 wherein said plurality of flat tube structures (1) are first microchannel flat tubes (11); a plurality of first capillary channels are arranged in the first micro-channel flat tube (11).
5. A cylindrical microchannel refrigeration evaporator according to claim 1 wherein the plurality of flat tube structures (1) is a second microchannel flat tube (12); and a plurality of second capillary pipelines are arranged in the second micro-channel flat tubes (12).
6. A cylindrical microchannel refrigeration evaporator according to claim 1, wherein the plurality of flat tube structures (1) are provided with a plurality of third capillary channels in a third microchannel flat tube (13).
7. A cylindrical microchannel refrigeration evaporator as set forth in claim 6 wherein the first microchannel flat tube (11), the first microchannel flat tube (12) and the first microchannel flat tube (13) are made of aluminum.
8. A cylindrical microchannel refrigeration evaporator according to claim 1 wherein the inlet tube (4) has a first solenoid valve installed therein; and a second electromagnetic valve is arranged in the outlet pipe (5).
9. A cylindrical microchannel refrigeration evaporator according to claim 3, wherein a heat conducting pad is arranged between the flat tube structures (1) and the outer side wall of the drying box (8).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210833350.0A CN115143667A (en) | 2022-07-15 | 2022-07-15 | Cylindrical micro-channel evaporator for refrigeration |
| CN202310823559.3A CN116717929A (en) | 2022-07-15 | 2023-07-06 | Microchannel refrigeration evaporator and freeze-drying system using same |
| PCT/CN2023/106754 WO2024012442A1 (en) | 2022-07-15 | 2023-07-11 | Micro-channel refrigerating evaporator and freeze-drying system using evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210833350.0A CN115143667A (en) | 2022-07-15 | 2022-07-15 | Cylindrical micro-channel evaporator for refrigeration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115143667A true CN115143667A (en) | 2022-10-04 |
Family
ID=83412779
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210833350.0A Pending CN115143667A (en) | 2022-07-15 | 2022-07-15 | Cylindrical micro-channel evaporator for refrigeration |
| CN202310823559.3A Pending CN116717929A (en) | 2022-07-15 | 2023-07-06 | Microchannel refrigeration evaporator and freeze-drying system using same |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310823559.3A Pending CN116717929A (en) | 2022-07-15 | 2023-07-06 | Microchannel refrigeration evaporator and freeze-drying system using same |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN115143667A (en) |
| WO (1) | WO2024012442A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024012442A1 (en) * | 2022-07-15 | 2024-01-18 | 东富龙科技集团股份有限公司 | Micro-channel refrigerating evaporator and freeze-drying system using evaporator |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319623A (en) * | 2019-07-03 | 2019-10-11 | 河南科隆集团有限公司 | A kind of microchannel plate-type evaporator |
| CN118423900B (en) * | 2024-07-05 | 2024-09-20 | 江苏炳凯富汽车零部件制造有限公司 | Winding type condenser for air energy water heater |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205279527U (en) * | 2015-10-23 | 2016-06-01 | 杭州三花家电热管理系统有限公司 | Evaporator assembly and domestic appliance who has it |
| CN110542214A (en) * | 2019-09-30 | 2019-12-06 | 春意环境科技有限公司 | Micro-channel condenser suitable for heat pump water heater |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2875309B2 (en) * | 1989-12-01 | 1999-03-31 | 株式会社日立製作所 | Air conditioner, heat exchanger used in the device, and control method for the device |
| JP2001174083A (en) * | 1999-12-16 | 2001-06-29 | Zexel Valeo Climate Control Corp | Heat exchanger |
| CN201551867U (en) * | 2009-11-16 | 2010-08-18 | 沈阳航天新阳速冻设备制造有限公司 | Plate beam type cold trap |
| CN101846420A (en) * | 2010-07-08 | 2010-09-29 | 合肥美的荣事达电冰箱有限公司 | Refrigeration equipment |
| JP2014025568A (en) * | 2012-07-30 | 2014-02-06 | Mitsubishi Heavy Ind Ltd | Cooling pipe line for winding |
| CN205843415U (en) * | 2016-06-07 | 2016-12-28 | 杭州三花家电热管理系统有限公司 | Heat-exchanger rig and the refrigeration plant with it |
| CN110230902B (en) * | 2019-02-01 | 2024-07-12 | 广东美的暖通设备有限公司 | Microchannel flat tube, heat exchanger and heat pump system |
| CN211261490U (en) * | 2019-12-20 | 2020-08-14 | 松源华兴（涿州）干燥设备有限公司 | Cold trap of household freeze dryer |
| CN115143667A (en) * | 2022-07-15 | 2022-10-04 | 东富龙科技集团股份有限公司 | Cylindrical micro-channel evaporator for refrigeration |
-
2022
- 2022-07-15 CN CN202210833350.0A patent/CN115143667A/en active Pending
-
2023
- 2023-07-06 CN CN202310823559.3A patent/CN116717929A/en active Pending
- 2023-07-11 WO PCT/CN2023/106754 patent/WO2024012442A1/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205279527U (en) * | 2015-10-23 | 2016-06-01 | 杭州三花家电热管理系统有限公司 | Evaporator assembly and domestic appliance who has it |
| CN110542214A (en) * | 2019-09-30 | 2019-12-06 | 春意环境科技有限公司 | Micro-channel condenser suitable for heat pump water heater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024012442A1 (en) * | 2022-07-15 | 2024-01-18 | 东富龙科技集团股份有限公司 | Micro-channel refrigerating evaporator and freeze-drying system using evaporator |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024012442A1 (en) | 2024-01-18 |
| CN116717929A (en) | 2023-09-08 |
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Application publication date: 20221004 |