CN105258404A - Finned evaporator - Google Patents
Finned evaporator Download PDFInfo
- Publication number
- CN105258404A CN105258404A CN201510758629.7A CN201510758629A CN105258404A CN 105258404 A CN105258404 A CN 105258404A CN 201510758629 A CN201510758629 A CN 201510758629A CN 105258404 A CN105258404 A CN 105258404A
- Authority
- CN
- China
- Prior art keywords
- evaporation coil
- liquid
- section
- finned evaporator
- refrigerant
- 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.)
- Pending
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Classifications
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a finned evaporator. The finned evaporator comprises a liquid supply pipe, wherein a thermal expansion valve is arranged on the liquid supply pipe; the liquid supply pipe is connected with a heat exchange pipe; the heat exchange pipe consists of a first section of evaporation coil, a second section of evaporation coil, a large bent pipe, a third section of evaporation coil and an air return port; the first section of evaporation coil is fully filled with refrigerant liquid; and the amount of refrigerant filled in the second section of evaporation coil is 15-20%. The finned evaporator has the advantages of improvement of heat exchange efficiency, uniform liquid supply and improvement of reliability and safety.
Description
Technical field
The present invention relates to a kind of finned evaporator, be mainly used in fluidized quick-freezing apparatus, stacked spiral quick-freezing device etc.
Background technology
Evaporimeter is one of large part of refrigeration four, produces heat exchange absorb heat and vaporize when utilizing refrigerant liquid to flow through evaporimeter with surrounding medium, and surrounding medium releasing heat, reaches the object of refrigeration.From feed liquid way, evaporator fin is divided into flooded evaporator and dry evaporator.In flooded evaporator, refrigerant liquid enters people's evaporimeter through throttling arrangement, and make liquid level in evaporimeter keep certain, the heat-transfer pipe in evaporimeter is immersed in refrigerant liquid, ensures enough cold-producing mediums and product produces heat exchange.But evaporation to be made the refrigeration system of full-liquid type feed flow, the fault rate that the more auxiliary equipment such as low pressure recycle bucket, fluorine pump or gas-liquid separator improve system must be increased, and refrigerant charge large, invest the shortcomings such as large; Particularly also there is the problem of oil return difficulty in flooded evaporator.Upper intake lower outlet type dry evaporator (as Fig. 2) then directly controls liquid refrigerant by heating power expansion valve or electric expansion valve and enters people's evaporimeter, and refrigerant liquid progressively changes gas in evaporation tube.Refrigerant liquid is by becoming the cold-producing medium of low-temp low-pressure after expansion valve, cold-producing medium absorbs heat in coils to evaporate and produces gas, refrigerant liquid body burden 60% ~ 80% in coil pipe, and the content of refrigerant liquid about 20% in coils, in coils, finally unevaporated refrigerant liquid all evaporated and produce overheated gas.The charging amount of the cold-producing medium of dry evaporator is about 1/2 ~ 1/3 of flooded evaporator.Evaporator heat exchange efficiency is lower than flooded evaporator.
Summary of the invention
The object of the invention is to overcome above deficiency, provide a kind of improve heat exchange efficiency, feed flow evenly, improve the finned evaporation of reliability and security.
Object of the present invention is achieved through the following technical solutions: a kind of finned evaporator, comprise feed pipe, feed pipe is provided with heating power expansion valve, feed pipe is connected with heat exchanger tube, heat exchanger tube is made up of first paragraph evaporation coil, second segment evaporation coil, big syphon, the 3rd section of evaporation coil and gas returning port, be full of refrigerant liquid in first paragraph evaporation coil, the refrigerant charging liquid measure be charged in second segment evaporation coil is 15%-20%.
Further improvement of the present invention is: the length of first paragraph evaporation coil accounts for 2/3 of whole heat exchanger tube length.
Further improvement of the present invention is: enter next-out under the feed liquid way employing of evaporimeter.
The present invention compared with prior art has following characteristics:
(1) full liquid part heat exchanger tube inner surface is in wetting state, improves the surface heat exchanging efficiency of evaporation tube.
(2) integrate the advantage of full-liquid type feed flow, and there is not the problem of flooded evaporator oil return difficulty.
(3) especially at the expansion valve liquid feeding of use one, then be divided into the feed flow of multichannel evaporation tube to show more obvious advantage by knockout, because this feed liquid way fully can ensure that air-cooler each road, heat exchanger tube feed flow is even.
(4) what gas returning port was arranged in that air draught side also fully ensure that compressor sucks is superheated vapor, improves the reliability and security of compressor operating.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of prior art;
Number in the figure: 1-feed pipe, 2-heating power expansion valve, 3-first paragraph evaporation coil, 4-second segment evaporation coil, 5-big syphon, 6-the 3rd section of evaporation coil, 7-gas returning port.
detailed description of the invention:
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.The element described in one embodiment of the invention and feature can combine with the element shown in one or more other embodiment and feature.It should be noted that for purposes of clarity, in explanation, eliminate expression and the description of unrelated to the invention, parts known to persons of ordinary skill in the art and process.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not paying creative work, all belongs to the scope of protection of the invention.
As shown in Figure 1, a kind of finned evaporator, comprise feed pipe 1, feed pipe 1 is provided with heating power expansion valve 2, feed pipe 1 is connected with heat exchanger tube, heat exchanger tube is made up of first paragraph evaporation coil 3, second segment evaporation coil 4, big syphon 5, the 3rd section of evaporation coil 6 and gas returning port 7, and be full of refrigerant liquid in first paragraph evaporation coil 3, the refrigerant charging liquid measure be charged in second segment evaporation coil 3 is 15%-20%.The length of first paragraph evaporation coil 3 accounts for 2/3 of whole heat exchanger tube length, and namely its internal filled liquid amount reaches more than 95%, reaches the effect of full liquid evaporimeter; Next-out is entered under the feed liquid way employing of this evaporimeter; This evaporimeter adopts one arrangement mode cleverly, makes evaporimeter have the effect of flooded evaporator
High-temperature high-pressure refrigerant liquid enters heat exchanger tube by feed pipe 1 after heating power expansion valve 2 reducing pressure by regulating flow, first first paragraph evaporation coil 3 is entered, refrigerant liquid is full state in first paragraph evaporation coil 3, whole heat exchanger tube inner surface is wetting state, 15%-20% is about in second segment evaporation coil 4 internal-filling liquid amount, eventually pass big syphon 5 and arrive the 3rd section of evaporation coil 6, in the 3rd section of evaporation coil 6, residue there is no the liquid refrigerant of evaporation and the inspiration hot-air sufficient heat exchange of going and produce certain overheated, last superheated refrigerant gas gets back to compressor by gas returning port 7.
Although last it is noted that described the present invention and advantage thereof in detail above, be to be understood that and can carry out various change when not exceeding the spirit and scope of the present invention limited by appended claim, substituting and converting.And scope of the present invention is not limited only to the specific embodiment of process, equipment, means, method and step described by description.One of ordinary skilled in the art will readily appreciate that from disclosure of the present invention, can use perform the function substantially identical with corresponding embodiment described herein or obtain and its substantially identical result, existing and that will be developed in the future process, equipment, means, method or step according to the present invention.Therefore, appended claim is intended to comprise such process, equipment, means, method or step in their scope.
Claims (3)
1. a finned evaporator, comprise feed pipe (1), it is characterized in that: described feed pipe (1) is provided with heating power expansion valve (2), described feed pipe (1) is connected with heat exchanger tube, described heat exchanger tube is made up of first paragraph evaporation coil (3), second segment evaporation coil (4), big syphon (5), the 3rd section of evaporation coil (6) and muffler (7), be full of refrigerant liquid in described first paragraph evaporation coil (3), the refrigerant charging liquid measure be charged in described second segment evaporation coil (4) is 15%-20%.
2. a kind of finned evaporator according to claim 1, is characterized in that: the length of described first paragraph evaporation coil (3) accounts for 2/3 of whole heat exchanger tube length.
3. a kind of finned evaporator according to claim 1 or 2, is characterized in that: enter next-out under the feed liquid way employing of evaporimeter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510758629.7A CN105258404A (en) | 2015-11-10 | 2015-11-10 | Finned evaporator |
| PCT/CN2016/102533 WO2017080346A1 (en) | 2015-11-10 | 2016-10-19 | Fin-type evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510758629.7A CN105258404A (en) | 2015-11-10 | 2015-11-10 | Finned evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105258404A true CN105258404A (en) | 2016-01-20 |
Family
ID=55098196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510758629.7A Pending CN105258404A (en) | 2015-11-10 | 2015-11-10 | Finned evaporator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105258404A (en) |
| WO (1) | WO2017080346A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017080346A1 (en) * | 2015-11-10 | 2017-05-18 | 南通四方冷链装备股份有限公司 | Fin-type evaporator |
| CN111442550A (en) * | 2020-05-15 | 2020-07-24 | 北京百度网讯科技有限公司 | Refrigeration system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682119B (en) * | 2019-01-28 | 2024-03-29 | 天津商业大学 | Evaporation coil pipe with efficient liquid separation function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2013316A (en) * | 1978-01-18 | 1979-08-08 | Helpmann Apparaten | A finned coil evaporator assembly for an air cooler. |
| DE2841711A1 (en) * | 1978-09-25 | 1980-04-03 | Dieter Dipl Ing Fleischer | Vaporiser with superheating control - incorporates separator for liquid and by=pass nozzle tube for signal emitter |
| CN203010887U (en) * | 2012-11-08 | 2013-06-19 | 南京师范大学 | Machine room air conditioner with synchronous supercooling and superheating |
| CN103277947A (en) * | 2013-06-27 | 2013-09-04 | 天津商业大学 | Efficient evaporator |
| CN104236173A (en) * | 2014-09-19 | 2014-12-24 | 西安交通大学 | Air-cooling evaporator with air-liquid separator |
| CN205137999U (en) * | 2015-11-10 | 2016-04-06 | 南通四方冷链装备股份有限公司 | Fin -type evaporator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6923013B2 (en) * | 2001-05-04 | 2005-08-02 | Carrier Corporation | Evaporator for medium temperature refrigerated merchandiser |
| JP4375312B2 (en) * | 2005-09-13 | 2009-12-02 | 富士電機リテイルシステムズ株式会社 | Cold air circulation display case |
| CN100491886C (en) * | 2007-07-19 | 2009-05-27 | 清华大学 | Canal evaporator |
| JP2013204950A (en) * | 2012-03-29 | 2013-10-07 | Hitachi Appliances Inc | Refrigerator |
| CN203719252U (en) * | 2013-12-11 | 2014-07-16 | 常州市常蒸蒸发器有限公司 | Fin-type evaporator |
| CN105258404A (en) * | 2015-11-10 | 2016-01-20 | 南通四方冷链装备股份有限公司 | Finned evaporator |
-
2015
- 2015-11-10 CN CN201510758629.7A patent/CN105258404A/en active Pending
-
2016
- 2016-10-19 WO PCT/CN2016/102533 patent/WO2017080346A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2013316A (en) * | 1978-01-18 | 1979-08-08 | Helpmann Apparaten | A finned coil evaporator assembly for an air cooler. |
| DE2841711A1 (en) * | 1978-09-25 | 1980-04-03 | Dieter Dipl Ing Fleischer | Vaporiser with superheating control - incorporates separator for liquid and by=pass nozzle tube for signal emitter |
| CN203010887U (en) * | 2012-11-08 | 2013-06-19 | 南京师范大学 | Machine room air conditioner with synchronous supercooling and superheating |
| CN103277947A (en) * | 2013-06-27 | 2013-09-04 | 天津商业大学 | Efficient evaporator |
| CN104236173A (en) * | 2014-09-19 | 2014-12-24 | 西安交通大学 | Air-cooling evaporator with air-liquid separator |
| CN205137999U (en) * | 2015-11-10 | 2016-04-06 | 南通四方冷链装备股份有限公司 | Fin -type evaporator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017080346A1 (en) * | 2015-11-10 | 2017-05-18 | 南通四方冷链装备股份有限公司 | Fin-type evaporator |
| CN111442550A (en) * | 2020-05-15 | 2020-07-24 | 北京百度网讯科技有限公司 | Refrigeration system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017080346A1 (en) | 2017-05-18 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160120 |
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| RJ01 | Rejection of invention patent application after publication |