CN203605535U - Micro-channel heat exchanger for refrigeration dryer - Google Patents
Micro-channel heat exchanger for refrigeration dryer Download PDFInfo
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- CN203605535U CN203605535U CN201320656333.0U CN201320656333U CN203605535U CN 203605535 U CN203605535 U CN 203605535U CN 201320656333 U CN201320656333 U CN 201320656333U CN 203605535 U CN203605535 U CN 203605535U
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- type drier
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Abstract
The utility model discloses a micro-channel heat exchanger for a refrigeration dryer. The micro-channel heat exchanger comprises an inlet pipe, an outlet pipe, a left collecting pipe, a right collecting pipe and flat pipes. The micro-channel heat exchanger further comprises fins, the fins are fixed between every two adjacent flat pipes, the flat pipes are fixed to the left collecting pipe and the right collecting pipe at the two ends respectively, and a plurality of channels are formed in each flat pipe side by side. A plurality of cooling fins are arranged on the side faces of the fins. The micro-channel heat exchanger for the refrigeration dryer is high in heat exchange efficiency, low in cost and simple in production process.
Description
Technical field
The utility model relates to environmental protection machinery field, relates in particular to a kind of micro-channel heat exchanger for freezing type drier.
Background technology
Freezing type drier, belongs to a kind of drying equipment of freeze drying, is widely used in all trades and professions such as application is sprayed paint, valve driving, sandblast, pneumatic stirring, grain products conveying.Freezing type drier has a set of complete refrigeration system, formed by refrigeration compressor, condenser, heat exchanger, expansion valve and various accessory, they connect successively with pipeline, form an airtight system, cold-producing medium constantly circulates in system, state variation occurs and carry out exchange heat with compressed air and cooling medium.
In refrigeration system, exchange heat is a very important link, has determined state, service condition, appearance and size, production cost and Energy Efficiency Ratio of the operation of whole machine etc.The exchange of heat mainly relies on heat exchanger.The development of heat exchanger has long history, to 20th century, along with the development of domestic air conditioning, air conditioning for automobiles, mainly towards energy-conservation and compact future development.The development of freezing type drier is evening relatively, and entirety lags behind air conditioner industry, and applying working condition is relatively severe, and the requirement of heat exchanger is higher.
Freezing type drier industry is used heat exchanger to mainly contain pipe type heat exchanger, shell and tube exchanger, plate-fin heat exchanger both at home and abroad at present.Wherein the primary structure of tube-sheet heat exchanger is copper pipe and aluminium foil, and shortcoming is that heat exchange efficiency is poor, and the heat exchange amount of unit volume is very little, causes complete machine structure huge, and because copper belongs to non-ferrous metal, price is also very expensive; The primary structure of shell and tube exchanger is the copper heat exchange core of carbon steel shell, and carbon steel shell belongs to container category, and pad is very many, and needs very complicated testing process, complex manufacturing, and the production cycle is longer.Aluminum plate-fin heat exchanger relatively meets energy-conservation and compact market development direction comparatively speaking, but also there is this obvious shortcoming, consider minimum burst pressure, strip of paper used for sealing and end plate that much the thickness of aluminum plate-fin heat exchanger increasing fin need to accelerate more simultaneously, cause input cost to compare pipe type and shell-tube type does not significantly reduce.
Utility model content
In view of current micro-channel heat exchanger above shortcomings for freezing type drier, the utility model provides that a kind of heat exchange efficiency is high, price is low, production technology is simply for the micro-channel heat exchanger of freezing type drier.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
A kind of micro-channel heat exchanger for freezing type drier, comprise inlet tube, outlet, left collector, right collector and flat tube, described micro-channel heat exchanger also includes fin, described fin is fixed between two flat tubes, described flat tube is separately fixed on the left collector and right collector at two ends, and described every flat tube is provided with multiple passages side by side; The side of described fin is provided with multiple fin.
According to an aspect of the present utility model, the diameter of described passage is not more than 0.2mm.
According to an aspect of the present utility model, described fin is regular louvered and arranges.
According to an aspect of the present utility model, described fin is regular sawtooth and arranges.
According to an aspect of the present utility model, described fin is regular rectangular arranged.
According to an aspect of the present utility model, the material of described fin is aluminium.
According to an aspect of the present utility model, described flat tube is parallel to be arranged, the material of described flat tube is aluminium.
According to an aspect of the present utility model, the thickness of described fin is 0.5-5mm.
The advantage that the utility model is implemented: arrange because flat tube of the present utility model is parallel, fin is fixed between two flat tubes, and every flat tube is provided with multiple passages side by side, and the diameter of passage is not more than 0.2mm; The side of fin is provided with multiple fin, and the material of fin and flat tube is aluminium, and therefore the heat exchange efficiency for the micro-channel heat exchanger of freezing type drier is high, price is low, production technology is simple.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the assembling schematic diagram of a kind of micro-channel heat exchanger for freezing type drier described in the utility model;
Fig. 2 is the organigram of a kind of micro-channel heat exchanger for freezing type drier described in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, a kind of micro-channel heat exchanger for freezing type drier, comprise inlet tube 2, outlet 5, left collector 4, right collector 10 and flat tube 9, described micro-channel heat exchanger also includes fin 8, fin 8 is fixed between two flat tubes 9, flat tube 9 is separately fixed on the left collector 4 and right collector 10 at two ends, and every flat tube 9 is provided with multiple passages 11 side by side; The side of fin 8 is provided with multiple fin.
Micro-channel heat exchanger is carried out technological improvement by the technical staff of our company, micro-channel heat exchanger is applied on freezing type drier in industry initiatively, the diameter of the passage 11 of micro-channel heat exchanger of the present utility model is not more than 0.2mm, preferably the diameter of passage 11 is 0.2mm, reduce cold-producing medium filling amount, the diameter of passage 11 only have the passage 11 of fin-tube type heat exchanger diameter 1/3, meet energy-saving and emission-reduction, low-carbon environment-friendly; Fin is regular louvered to be arranged, and fin also can be regular sawtooth or rectangular arranged, and the preferred fin of the present embodiment is regular louvered and arranges.Micro-channel heat exchanger is compared with conventional heat exchanger, not only the little coefficient of heat transfer of volume is large for micro-channel heat exchanger, heat exchange efficiency is high, can meet higher Energy Efficiency Standard, and there is good withstand voltage properties, and can CO2 be working medium refrigeration, meet environmental requirement, the extensive concern that has caused domestic and international academia and industrial quarters, micro-channel heat exchanger has the following advantages:
1. energy-conservation.Energy-conservation is an important indicator of current air-conditioner, and conventional heat exchanger is difficult to produce high-grade as the product of I level Energy Efficiency Standard, and micro-channel heat exchanger will be the optimal selection addressing this problem.
2. heat exchange property is outstanding.Aspect domestic air conditioning, in the time that passage 11 sizes are less than 3mm, gas-liquid two-phase flows and will be different from conventional large-size with phase-change heat transfer rule, and passage 11 is less, and this dimensional effect is more obvious.In the time that bore is less than Φ 0.5mm, convection transfer rate can increase 100%, by this augmentation of heat transfer technology for air-condition heat exchanger, the augmentation of heat transfer measure of appropriate change heat exchanger structure, technique and air side, expectation can effectively strengthen air-condition heat exchanger heat transfer, improve its energy-saving horizontal.
3. promotion potential.Micro-channel heat exchanger technology is manufactured the field potentiality that also oriented air-source water heater is promoted, the greatly competitiveness of improving product and the capability of sustainable development of enterprise at air-conditioning.
In actual use, flat tube 9 is parallel to be arranged, the material of flat tube 9 and fin is aluminium, greatly reduces the use amount of the non-ferrous metals such as copper, in protection non-ferrous metal, has also reduced input cost; Fin 8 sides of micro-channel heat exchanger are opened shutter and are conducted heat with strengthening air side, and cold-producing medium flow process adopts concurrent flow mode to arrange, this compact structure has improved the heat exchange amount of unit volume effectively, and the thickness of fin is generally 0.5-5mm.
Operation principle of the present utility model: the cold-producing medium of micro-channel heat exchanger adopts CO
2cold-producing medium is pressed into from air inlet pipe 2 in the passage 11 of flat tube 9, every flat tube 9 is provided with the microchannel that multiple diameters are 0.2mm side by side, the heat that cold-producing medium carries passes to fin 8, because the side of fin 8 is provided with the fin 8 of louvered, strengthening air side is conducted heat, therefore, this compact structure has improved the heat exchange amount of unit volume effectively, can be rapidly by the dissipation of heat in cold-producing medium in air.All flat tubes 9 are fixed between left collector 4 and right collector 10 concurrently, cold-producing medium can only enter in flat tube 9 from air inlet pipe 2, then by root by the passage 11 of all flat tube 9, at this moment in cold-producing medium, most heat is dispersed in air by fin 8, and last cold-producing medium flows out from escape pipe 5.Therefore the heat exchange efficiency of micro-channel heat exchanger is high, price is low, production technology is simple.
The above; it is only the specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; the technical staff of any skilled is in the disclosed technical scope of the utility model; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (8)
1. the micro-channel heat exchanger for freezing type drier, comprise inlet tube, outlet, left collector, right collector and flat tube, it is characterized in that, described micro-channel heat exchanger also includes fin, described fin is fixed between two flat tubes, described flat tube is separately fixed on the left collector and right collector at two ends, and described every flat tube is provided with multiple passages side by side; The side of described fin is provided with multiple fin.
2. the micro-channel heat exchanger for freezing type drier according to claim 1, is characterized in that, the diameter of described passage is not more than 0.2mm.
3. the micro-channel heat exchanger for freezing type drier according to claim 1, is characterized in that, described fin is regular louvered and arranges.
4. the micro-channel heat exchanger for freezing type drier according to claim 1, is characterized in that, described fin is regular sawtooth and arranges.
5. the micro-channel heat exchanger for freezing type drier according to claim 1, is characterized in that, described fin is regular rectangular arranged.
6. the micro-channel heat exchanger for freezing type drier according to claim 1, is characterized in that, the material of described fin is aluminium.
7. according to the arbitrary described micro-channel heat exchanger for freezing type drier of claim 1 to 6, it is characterized in that, described flat tube is parallel to be arranged, the material of described flat tube is aluminium.
8. the micro-channel heat exchanger for freezing type drier according to claim 7, is characterized in that, the thickness of described fin is 0.5-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656333.0U CN203605535U (en) | 2013-10-23 | 2013-10-23 | Micro-channel heat exchanger for refrigeration dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656333.0U CN203605535U (en) | 2013-10-23 | 2013-10-23 | Micro-channel heat exchanger for refrigeration dryer |
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| Publication Number | Publication Date |
|---|---|
| CN203605535U true CN203605535U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320656333.0U Expired - Fee Related CN203605535U (en) | 2013-10-23 | 2013-10-23 | Micro-channel heat exchanger for refrigeration dryer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185518A (en) * | 2015-08-31 | 2015-12-23 | 淄博鹏太电力设备有限公司 | Transformer cooling plate and production technology thereof |
| CN105846012A (en) * | 2016-06-16 | 2016-08-10 | 哲弗智能系统（上海）有限公司 | Heat exchange plate for power battery pack |
| CN106288866A (en) * | 2016-09-27 | 2017-01-04 | 瑞安市邦众汽车科技股份有限公司 | Vehicle radiator |
| CN109916147A (en) * | 2019-03-22 | 2019-06-21 | 国兴(东莞)新能源科技有限公司 | A kind of soft-package battery high vacuum microchannel de-watering apparatus |
-
2013
- 2013-10-23 CN CN201320656333.0U patent/CN203605535U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185518A (en) * | 2015-08-31 | 2015-12-23 | 淄博鹏太电力设备有限公司 | Transformer cooling plate and production technology thereof |
| CN105846012A (en) * | 2016-06-16 | 2016-08-10 | 哲弗智能系统（上海）有限公司 | Heat exchange plate for power battery pack |
| CN105846012B (en) * | 2016-06-16 | 2018-06-05 | 哲弗智能系统（上海）有限公司 | A kind of power battery pack heat exchanger plates |
| CN106288866A (en) * | 2016-09-27 | 2017-01-04 | 瑞安市邦众汽车科技股份有限公司 | Vehicle radiator |
| CN109916147A (en) * | 2019-03-22 | 2019-06-21 | 国兴(东莞)新能源科技有限公司 | A kind of soft-package battery high vacuum microchannel de-watering apparatus |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20171023 |