CN203163330U - Absorbing frost-prevention system for refrigeration house - Google Patents
Absorbing frost-prevention system for refrigeration house Download PDFInfo
- Publication number
- CN203163330U CN203163330U CN2013201315777U CN201320131577U CN203163330U CN 203163330 U CN203163330 U CN 203163330U CN 2013201315777 U CN2013201315777 U CN 2013201315777U CN 201320131577 U CN201320131577 U CN 201320131577U CN 203163330 U CN203163330 U CN 203163330U
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- valve
- low temperature
- adsorbent
- channel layer
- air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Abstract
The utility model relates to an absorbing frost-prevention system for a refrigeration house. The absorbing frost-prevention system comprises two basic units. Each basic unit comprises an air inlet valve, a low-temperature absorbing bed, a desorbing cold returning valve, a high-temperature absorbing bed, an exhaust valve, a cold returning valve and an air returning valve which are sequentially connected. An absorbing agent channel layer and a cold returning channel layer are arranged inside each low-temperature absorbing bed, each absorbing agent channel layer is connected with each air inlet valve and each desorbing cold returning valve, each cold returning channel layer is connected with each cold returning valve and each air returning valve, each air inlet valve is connected with an air source of the refrigeration house, each air returning valve is connected with an air distribution port of the refrigeration house through an evaporator, each exhaust valve is connected with the external environment, each high-temperature absorbing bed is provided with an absorbing bed heat exchanger and a high-temperature absorbing agent, each desorbing cold returning valve is further provided with a third outlet, and the third outlet is connected with the cold returning valve of the other basic unit. Solar energy or low-temperature waste heat can be used in the absorbing frost-prevention system for realizing frost prevention of the refrigeration house, the performance of the refrigeration house is optimized, energy is saved, environment is protected, and power consumption of the system and operation cost of the system are reduced.
Description
Technical field
The utility model belongs to Refrigeration Technique and air-conditioning technical field, specifically is that a kind of freezer is prevented defrosting system with absorption.
Background technology
In recent years, increasing to the demand of various raw and fresh foods along with the development of international trade and improving constantly of China's living standards of the people, also more and more higher to the fresh-keeping requirement of product.China's freezer ubiquity the high phenomenon of energy consumption, causes additive decrementation and the waste of a large amount of fossil fuels.And relatively more serious this phenomenon of evaporimeter frosting is again freezer operating one big problem.At present mostly there is the high and storehouse temperature of the power consumption problem such as big that fluctuates in the freezer Defrost technology, and ten minutes is unfavorable for ice house high-efficiency stable operation; On the other hand, suppress the frosting technology and mostly be in the experimental study stage, the realization industrial scale is used and also will be walked very long road, and such technology generally still needs Defrost technology to cooperate.
The utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of solar energy or low-temperature waste heat, energy-conserving and environment-protective, stable freezer of utilizing with the anti-defrosting system of absorption.
The solid absorption dehumidifying technology has obtained corresponding theory and technical support because of the development of solid adsorption refrigeration technology, the solid absorption frost prevention technology of the utility model plan research and development is consume electric power hardly, a series of problems that the freezer evaporimeter frosting causes can be overcome again, the freezer operational efficiency will inevitably be obviously improved.Therefore quod vide technical energy saving emission reduction effect is remarkable in advance, will bring good economic and social benefit.
The utility model is achieved through the following technical solutions:
A kind of freezer comprises two elementary cells that structure is identical with the anti-defrosting system of absorption, and elementary cell comprises that intake valve, cryogenic absorption bed, solution suck back low temperature valve, high temperature adsorbent bed, air bleeding valve, return low temperature valve, return-air valve; Described intake valve, cryogenic absorption bed, solution suck back low temperature valve, high temperature adsorbent bed, air bleeding valve and connect successively; Comprise the adsorbent channel layer in the cryogenic absorption bed and return cold channel layer, fill low temperature adsorbent in the adsorbent channel layer, described adsorbent channel layer sucks back low temperature valve with the intake valve reconciliation and is connected, and described time cold channel layer is connected with return-air valve with time low temperature valve; Described intake valve is connected with the air source of freezer, and described return-air valve is connected with the cloth air port of freezer by evaporimeter, and described air bleeding valve is connected with external environment condition; Be provided with adsorbent bed heat exchanger and high-temperature adsorbing agent in the described high temperature adsorbent bed, adsorbent bed heat exchanger contacts with high-temperature adsorbing agent; Described solution sucks back low temperature valve and also is provided with the 3rd outlet, and the 3rd outlet is connected with the low temperature valve that returns of another elementary cell.
Described adsorbent channel layer and time cold channel layer are alternately arranged successively.
Under uniform pressure, the low adsorbent of temperature was called low temperature adsorbent when suction-operated took place, and the high adsorbent of temperature was called high-temperature adsorbing agent when suction-operated took place.
The pressure of adsorption phenomena can take place less than the partial pressure of freezer water in air steam in low temperature adsorbent under temperature of ice house, thereby under action of pressure, reach the purpose of dehumidifying by the water vapour of the low temperature adsorbent in the adsorbent bed in can absorbed air, low temperature adsorbent can be added the auxiliary material of some curing moldings, augmentation of heat transfer, make graininess, in reinforced heat conduction, reduced the resistance that the freezer air flows therein again.
Low temperature adsorbent is with sodium bromide, sodium sulphate etc., and high-temperature adsorbing agent is with calcium chloride etc.
Under uniform temp, the pressure of adsorption phenomena can take place less than the pressure of low temperature adsorbent generation desorb in high-temperature adsorbing agent, thereby the steam in the cryogenic absorption bed is reached the purpose of desorb by the absorption of the high-temperature adsorbing agent of high temperature adsorbent bed.
Described solution sucks back between low temperature valve and the high temperature adsorbent bed and also is provided with building enclosure, and convenience places the cryogenic absorption bed indoor, and the high temperature adsorbent bed is placed outdoor environment.
The utility model also provides a kind of freezer with adsorbing the frost prevention method, comprises two states: first kind of state is absorption cooling attitude, and second kind of state is the desorb attitude.
During absorption cooling attitude, inlet open, solution sucks back low temperature valve the 3rd port opening, and the humid air in the freezer sucks back the 3rd outlet of low temperature valve successively through intake valve, the adsorbent channel layer of cryogenic absorption bed, solution, form one except wet channel; Exhaust valve opening, the high temperature adsorbent bed heat exchanger feeds high-temperature medium simultaneously, and the steam of high temperature adsorbent bed absorption is desorbed and is discharged in the external environment condition desorb passage of formation high temperature adsorbent bed through the heat effect of adsorbent bed heat exchanger; Time low temperature valve and the return-air valve of another elementary cell are opened, and the heated dry air that is dehumidified is lowered the temperature by time cold channel layer, the return-air valve that return low temperature valve, cryogenic absorption bed, and the formation cooling duct is sent to evaporimeter again.
During the desorb attitude, intake valve cuts out, solution sucks back port opening under the low temperature valve, and the steam of the adsorbent channel layer of cryogenic absorption bed sucks back under the low temperature valve outlet, high temperature adsorbent bed through solution successively, forms the passage that steam adsorbs in desorb and the high temperature adsorbent bed in the cryogenic absorption bed; Cryogenic absorption bed heat exchanger feeds the water of environment temperature simultaneously, reaches best desorption effect.
The beneficial effects of the utility model: one, the anti-defrosting system drying of the absorption of the utility model design enter the air of evaporimeter, suppressed the frosting phenomenon of evaporimeter, avoided the operation of defrosting, thereby saved the energy and made the evaporator temperature fluctuation in stability range; Its two, the freezer of the utility model design has been avoided the evaporator fin frosting and has been tied up air duct with the anti-defrosting system of absorption, makes the blower fan operting differential pressure become the phenomenon of big power consumption increase, thereby has reached the purpose of saves energy; Its three, the freezer of the utility model design has avoided making because of defrosting the phenomenon of compressor shutdown with the anti-defrosting system of absorption, thereby the normal stabilizing energy-saving of whole refrigeration system is moved, temperature of ice house fluctuates in normal range (NR), freezer is functional.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the structural representation of cryogenic absorption bed of the present utility model.
Among the figure: 1 intake valve, 2 cryogenic absorption beds, 3 low temperature adsorbent, 4 solutions suck back low temperature valve, 5 high-temperature adsorbing agents, 6 high temperature adsorbent beds, 7 air bleeding valves, 8 adsorbent bed heat exchangers, 9 times low temperature valves, 10 return-air valves, 11 evaporimeters, 12, building enclosure, the air source of 13 freezers, the cloth air port of 14 freezers, 15 external environment conditions, A adsorbent channel layer, B and return cold channel layer.
Specific embodiments
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated: present embodiment is being to implement under the prerequisite with technical solutions of the utility model; provide detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As Fig. 1-shown in Figure 2, in the present embodiment, unit I and the unit II identical by structure form, and unit I comprises that intake valve 1, cryogenic absorption bed 2, solution suck back low temperature valve 4, high temperature adsorbent bed 6, air bleeding valve 7, return low temperature valve 9, return-air valve 10; Cryogenic absorption bed 2 comprises adsorbent channel layer A, time cold channel layer B that alternately arranges successively, fills low temperature adsorbent 3 in the adsorbent channel layer A; Be provided with adsorbent bed heat exchanger 8 in the high temperature adsorbent bed 6, be filled with high-temperature adsorbing agent 5 in the high temperature adsorbent bed 6; Cryogenic absorption bed 2 has two import and export, and one is that intake valve 1 reconciliation sucks back low temperature valve 4, and another is back low temperature valve 9 and return-air valve 10; The import of the adsorbent channel layer A of cryogenic absorption bed 2 is connected with intake valve 1, and outlet sucks back low temperature valve 4 imports with solution and is connected, and solution sucks back 4 times outlets of low temperature valve and is connected with 6 imports of high temperature adsorbent bed, and 6 outlets of high temperature adsorbent bed are connected with air bleeding valve 7; Solution sucks back low temperature valve 4 right side outlets and is connected with the low temperature valve 9 that returns of the cryogenic absorption bed 2 of another unit, returns low temperature valve 9 outlets and is connected with time cold channel layer B, returns cold channel layer B outlet and is connected with return-air valve 10.Described intake valve 1 is connected with the air source 13 of freezer, and described return-air valve 10 is connected with the cloth air port 14 of freezer by evaporimeter 11, and described air bleeding valve 7 is connected with external environment condition 15.
Described solution sucks back between low temperature valve 4 and the high temperature adsorbent bed 6 and also is provided with building enclosure 12, cryogenic absorption bed 2 is placed indoor, and high temperature adsorbent bed 6 is placed outdoor environment.
In the present embodiment, absorption frost prevention system running state is divided into two kinds: first kind of state is absorption cooling attitude, and second kind of state is the desorb attitude.
In the present embodiment, during absorption cooling attitude, intake valve 1 is opened, and solution sucks back low temperature valve 4 right port openings, and the humid air in the freezer through the adsorbent channel layer A of intake valve 1, cryogenic absorption bed 2, the right side outlet that solution sucks back low temperature valve 4, forms one except wet channel successively; Air bleeding valve 7 is opened, and adsorbent bed heat exchanger 8 feeds high-temperature water simultaneously, and the steam of high temperature adsorbent bed 6 absorption is desorbed and is discharged in the external environment condition 15 the desorb passage of formation high temperature adsorbent bed 6 through the heat effect of adsorbent bed heat exchanger 8; Time low temperature valve 9 of another unit and return-air valve 10 are opened, and the heated dry air that is dehumidified is lowered the temperature by time cold channel layer B, the return-air valve 10 that return low temperature valve 9, cryogenic absorption bed 2, and the formation cooling duct is discharged to evaporimeter 11 again.
In the present embodiment, during the desorb attitude, intake valve 1 cuts out, solution sucks back 4 times port openings of low temperature valve, the steam of the adsorbent channel layer A of cryogenic absorption bed 2 sucks back 4 times outlets of low temperature valve, high temperature adsorbent bed 6 through solution successively, forms the passage of absorption in steam desorb in cryogenic absorption bed 2, the high temperature adsorbent bed 6; Adsorbent bed heat exchanger 8 feeds the water of environment temperature simultaneously, reaches best desorption effect.
In the present embodiment, cryogenic absorption salt is with sodium bromide, sodium sulphate etc., and high temperature absorption salt is with calcium chloride etc.
Though above-mentionedly by reference to the accompanying drawings the specific embodiment of the present utility model is described; but be not the restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (4)
1. a freezer is characterized in that with the anti-defrosting system of absorption, comprises two elementary cells that structure is identical, and elementary cell comprises that intake valve, cryogenic absorption bed, solution suck back low temperature valve, high temperature adsorbent bed, air bleeding valve, return low temperature valve, return-air valve; Described intake valve, cryogenic absorption bed, solution suck back low temperature valve, high temperature adsorbent bed, air bleeding valve and connect successively; Comprise the adsorbent channel layer in the cryogenic absorption bed and return cold channel layer, fill low temperature adsorbent in the adsorbent channel layer, described adsorbent channel layer sucks back low temperature valve with the intake valve reconciliation and is connected, and described time cold channel layer is connected with return-air valve with time low temperature valve; Described intake valve is connected with the air source of freezer, and described return-air valve is connected with the cloth air port of freezer by evaporimeter, and described air bleeding valve is connected with external environment condition; Be provided with adsorbent bed heat exchanger and high-temperature adsorbing agent in the described high temperature adsorbent bed, adsorbent bed heat exchanger contacts with high-temperature adsorbing agent; Described solution sucks back low temperature valve and also is provided with the 3rd outlet, and the 3rd outlet is connected with the low temperature valve that returns of another elementary cell.
2. freezer as claimed in claim 1 is characterized in that with the anti-defrosting system of absorption, and described adsorbent channel layer and time cold channel layer are alternately arranged successively.
3. freezer as claimed in claim 1 is characterized in that with the anti-defrosting system of absorption, low temperature adsorbent sodium bromide, sodium sulphate, high-temperature adsorbing agent calcium chloride.
4. freezer as claimed in claim 1 is characterized in that with the anti-defrosting system of absorption described solution sucks back between low temperature valve and the high temperature adsorbent bed and also is provided with building enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201315777U CN203163330U (en) | 2013-03-21 | 2013-03-21 | Absorbing frost-prevention system for refrigeration house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201315777U CN203163330U (en) | 2013-03-21 | 2013-03-21 | Absorbing frost-prevention system for refrigeration house |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203163330U true CN203163330U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201315777U Withdrawn - After Issue CN203163330U (en) | 2013-03-21 | 2013-03-21 | Absorbing frost-prevention system for refrigeration house |
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| CN (1) | CN203163330U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123182A (en) * | 2013-03-21 | 2013-05-29 | 山东大学 | Absorption frost prevention system for refrigeration house and absorption frost prevention method |
| CN106716029A (en) * | 2014-07-01 | 2017-05-24 | 株式会社新进能量技术 | Heat pump heating/cooling system using hybrid heat source and control method thereof |
| CN110285613A (en) * | 2019-06-28 | 2019-09-27 | 合肥美的电冰箱有限公司 | Moisture separator, refrigeration equipment and the method for separating water vapor in air |
-
2013
- 2013-03-21 CN CN2013201315777U patent/CN203163330U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123182A (en) * | 2013-03-21 | 2013-05-29 | 山东大学 | Absorption frost prevention system for refrigeration house and absorption frost prevention method |
| CN106716029A (en) * | 2014-07-01 | 2017-05-24 | 株式会社新进能量技术 | Heat pump heating/cooling system using hybrid heat source and control method thereof |
| CN106716029B (en) * | 2014-07-01 | 2019-05-03 | 株式会社新进能量技术 | Use the heat pump-cooling system and its control method for mixing heat source |
| CN110285613A (en) * | 2019-06-28 | 2019-09-27 | 合肥美的电冰箱有限公司 | Moisture separator, refrigeration equipment and the method for separating water vapor in air |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130828 Effective date of abandoning: 20150325 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130828 Effective date of abandoning: 20150325 |
|
| RGAV | Abandon patent right to avoid regrant |