CN202485269U - Absorption refrigerating machine with pressure-actuated valves - Google Patents
Absorption refrigerating machine with pressure-actuated valves Download PDFInfo
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- CN202485269U CN202485269U CN2011203799249U CN201120379924U CN202485269U CN 202485269 U CN202485269 U CN 202485269U CN 2011203799249 U CN2011203799249 U CN 2011203799249U CN 201120379924 U CN201120379924 U CN 201120379924U CN 202485269 U CN202485269 U CN 202485269U
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- adsorption bed
- pressure
- condenser
- absorption
- bed
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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
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model discloses an absorption refrigerating machine with pressure-actuated valves, which comprises a left absorption bed (A), a right absorption bed (B), a condenser (1) and an evaporator (2). The absorption refrigerating machine is characterized in that the connections between the left absorption bed (A) and the condenser (1), between the left absorption bed (A) and the evaporator (2), between the right absorption bed (B) and the condenser, and between the right absorption bed (B) and the evaporator (2) are achieved respectively through a pressure-actuated valve (3). By adopting micro-channel heat exchangers as the absorption beds, a system comprising the absorption refrigerating machine provided in the utility model is enabled to have enhanced heat transfer performances and a relatively compact structure. Meanwhile, by making the absorption beds and the condenser or the absorption beds and the evaporator of the absorption refrigerating machine connected through the pressure-actuated valves instead of vacuum valves, the system is enabled to have a lower cost and a more stable running.
Description
Technical field
The utility model relates to and belongs to technical field of refrigerating devices, is specially adapted to solar energy or automotive residual heat absorption field of air conditioning.
Background technology
Adsorptive refrigeration technology utilizes regenerative resource (like solar energy, geothermal energy) and low grade residual heat to substitute compressor as driving heat source; Use substitutes traditional freon to the nuisanceless cold-producing medium of environment; Do not have noise, environment is not polluted, therefore more and more come into one's own.From present practical research achievement; Absorption refrigeration technology problem the such as also refrigeration work consumption of the unit's of existing adsorbent is low, system is huge and cost is high, heat utilization efficiency is low; Particularly utilize vehicle exhaust, engine exhaust heat to carry out absorption refrigeration, the heat and mass of absorption type refrigerating, the volume of refrigeration machine and the reliability of system's operation are had higher requirement.One of reason is that the heat and mass transfer performance of adsorbent bed also needs further to improve, and the adsorbent bed heat exchanger structure also needs further densification.Former two is that silica gel/water adsorbent refrigerator is to operate under the subnormal ambient therefore, and each parts of system are to rely on vacuum valve to connect, and have increased the cost of system so on the one hand, and to move be not very stable in system on the other hand.
The utility model content
The purpose of the utility model is to overcome the defective that prior art exists; A kind of adsorption refrigerating device of new structure is provided; Not only improved the heat and mass of system and the stability of system, the system that also makes is tending towards miniaturization more, is applicable to automotive residual heat absorption air-conditioning.
For realizing above purpose; Technical scheme below the utility model has been taked: a kind of adsorption refrigerating device with the pressure-driven valve; The front housing of refrigeration machine is made flange and is connected; Include left adsorption bed, right adsorption bed, condenser, evaporimeter are between said left adsorption bed and the condenser, between left adsorption bed and the evaporimeter, between right adsorption bed and the condenser, connect through the pressure activated valve couplet on the door respectively between right adsorption bed and the evaporimeter.Connect through the pressure activated valve couplet on the door, the refrigerant flow path resistance significantly reduces, strengthened the mass-transfer performance of adsorption system.
Silica gel is filled in the micro-channel heat exchanger, and wraps up with wire netting, and the outer circulation waterway of refrigeration machine is that the absorption/parsing of adsorbent bed provides driving heat source.When left adsorption bed be in parse state the time, right adsorption bed is in adsorbed state.
The one-way cock of pressure-driven valve between left adsorption bed and the condenser, between right adsorption bed and the condenser for opening towards the condenser direction; The one-way cock of pressure-driven valve between said left adsorption bed and the evaporimeter, between right adsorption bed and the evaporimeter for opening towards left adsorption bed or right adsorption bed direction.Parsing/the adsorption process of adsorbent bed is corresponding with the switching of pressure-driven valve; Promptly when the pressure in the adsorbent bed during greater than the pressure in the condenser; Pressure-driven valve between adsorbent bed and the condenser is opened; When the pressure in the evaporimeter during greater than the pressure in the adsorbent bed, the pressure-driven valve between evaporimeter and the adsorbent bed is opened.
Said left adsorption bed and right adsorption bed are made by micro-channel heat exchanger.Has the mass tranfer coefficient height, the advantage of heat transfer efficient, compact conformation.Reduced the volume of system significantly.
Said condenser lower end is connected with water collector, between water collector and the evaporimeter is to connect through U type pipe.There is certain condensed water U type pipe the inside to prevent the direct UNICOM of steam in evaporimeter and the condenser.Condensed water is collected by the infundibulate water collector in the condenser, and water collector is connected to evaporimeter through U type pipe then, and the liquid storage in the U type pipe is isolated condenser and evaporimeter, has avoided the direct UNICOM of steam in condenser and the evaporimeter.
The utility model compared with prior art; Has following advantage: to the problems referred to above, the present invention proposes a kind of silica gel/water adsorption refrigerating device, utilize micro-channel heat exchanger to make adsorbent bed on the one hand with the pressure-driven valve; Improved the heat transfer property of system; Make system comparatively compact, the adsorbent bed of adsorption refrigerating device and condenser, adsorbent bed and evaporimeter rely on the pressure activated valve couplet on the door to connect on the other hand, do not use vacuum valve; Not only practiced thrift the cost of system, made that also system's operation is more stable.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is that condenser is connected sketch map with evaporimeter.
The specific embodiment
Explain further details below in conjunction with accompanying drawing and the specific embodiment content to the utility model.
Embodiment:
See also shown in Figure 1; A kind of adsorption refrigerating device with the pressure-driven valve; Include left adsorption bed A, right adsorption bed B; Condenser 1, evaporimeter 2, between left adsorption bed A and the condenser 1, between left adsorption bed A and the evaporimeter 2, between right adsorption bed B and the condenser 1, connect through pressure-driven valve 3 respectively between right adsorption bed B and the evaporimeter 2, left adsorption bed A, right adsorption bed B, condenser 1, evaporimeter 2 are integrated into a housing the inside.
The one-way cock of pressure-driven valve 3 between left adsorption bed A and the condenser 1, between right adsorption bed B and the condenser 1 for opening towards condenser 1 direction; The one-way cock of pressure-driven valve 3 between left adsorption bed A and the evaporimeter 2, between right adsorption bed B and the evaporimeter 2 for opening towards left adsorption bed A or right adsorption bed B direction.Circulating hot water feeds in the left adsorption bed; When the pressure in the left adsorption bed reaches certain value (condensing pressure that cold-producing medium is corresponding); Pressure-driven valve between left adsorption bed and condenser is opened; Refrigerant vapour gets in the condenser and carries out condensation, and condensed water is collected in the infundibulate water collector, enters into the evaporimeter sweat cooling through the U type pipe between water collector and evaporimeter.When left adsorption bed feeds the hot water parsing, feed cooling water in the right adsorption bed and adsorb.Because the suction-operated of right adsorption bed and the evaporation of evaporimeter inner refrigerant steam cause the evaporimeter internal pressure to improve, the pressure-driven valve between evaporimeter and the right adsorption bed is opened at this moment, and right adsorption bed begins absorption refrigeration agent steam.Utilize double bed to replace the continuous cooling that parsing/absorption can realize system.
Left adsorption bed A and right adsorption bed B are made by micro-channel heat exchanger.
The present embodiment course of work is following: (1) left adsorption bed A resolves, right adsorption bed B absorption.Left adsorption bed A is fed hot water; This moment, left adsorption bed A pressure increased; When left adsorption bed A pressure during greater than condenser 1 internal pressure; Force valve 3 between left adsorption bed A and the condenser 1 is opened, and feeds cooling water in the condenser 1 always, and the water vapour that left adsorption bed A parses cools off in condenser 1.Cooled cooling water gets into evaporimeter 2 through U type pipe.Feeding cooling water among the right adsorption bed B adsorbs; Pressure in the right adsorption bed B reduces gradually; When the pressure of right adsorption bed B during less than the pressure in the evaporimeter 2; Force valve 3 between right adsorption bed B and the evaporimeter 2 is opened, and the B adsorbent bed begins to adsorb the water vapour in the evaporimeter 2 like this, realizes absorption refrigeration.
(2) right adsorption bed B resolves, left adsorption bed A absorption.Right adsorption bed B is fed hot water; This moment, right adsorption bed B pressure increased; When right adsorption bed B pressure during greater than condenser 1 internal pressure; Force valve 3 between right adsorption bed B and the condenser 1 is opened, and feeds cooling water in the condenser 1 always, and the water vapour that right adsorption bed B parses cools off in condenser 1.Cooled cooling water gets into evaporimeter 2 through U type pipe.Feed cooling water among the left adsorption bed A; Pressure in the left adsorption bed A reduces, and when the pressure of left adsorption bed A during less than the pressure in the evaporimeter 2, the force valve 3 between left adsorption bed A and the evaporimeter 2 is opened; Left adsorption bed A begins to adsorb the water vapour in the evaporimeter 2 like this, realizes absorption refrigeration.
The pressure-driven valve 3 that is adopted in the present embodiment, its material are lucite, and material is thin, and quality is moderate, good airproof performance.
Except the valve in water route, refrigeration machine does not have vacuum valve, has reduced the investment of system, has strengthened the stability of system's operation.
Above-listed detailed description is to the specifying of the utility model possible embodiments, and this embodiment is not the claim in order to restriction the utility model, does not allly break away from the equivalence that the utility model does and implements or change, all should be contained in the claim of this case.
Claims (4)
1. adsorption refrigerating device with the pressure-driven valve; Include left adsorption bed (A), right adsorption bed (B); Condenser (1), evaporimeter (2) is characterized in that: between said left adsorption bed (A) and the condenser (1), between left adsorption bed (A) and the evaporimeter (2), between right adsorption bed (B) and the condenser (1), connect through pressure-driven valve (3) respectively between right adsorption bed (B) and the evaporimeter (2).
2. the adsorption refrigerating device of band pressure-driven valve as claimed in claim 1 is characterized in that: the one-way cock of the pressure-driven valve (3) between said left adsorption bed (A) and the condenser (1), between right adsorption bed (B) and the condenser (1) for opening towards condenser (1) direction; The one-way cock of pressure-driven valve (3) between said left adsorption bed (A) and the evaporimeter (2), between right adsorption bed (B) and the evaporimeter (2) for opening towards left adsorption bed (A) or right adsorption bed (B) direction.
3. the adsorption refrigerating device of band pressure-driven valve as claimed in claim 1 is characterized in that: said left adsorption bed (A) and right adsorption bed (B) are made by micro-channel heat exchanger.
4. the adsorption refrigerating device of band pressure-driven valve as claimed in claim 1 is characterized in that: said condenser (1) lower end is connected with water collector (11), is to connect through U type pipe (12) between water collector (11) and the evaporimeter (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203799249U CN202485269U (en) | 2011-09-29 | 2011-09-29 | Absorption refrigerating machine with pressure-actuated valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203799249U CN202485269U (en) | 2011-09-29 | 2011-09-29 | Absorption refrigerating machine with pressure-actuated valves |
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| Publication Number | Publication Date |
|---|---|
| CN202485269U true CN202485269U (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203799249U Expired - Fee Related CN202485269U (en) | 2011-09-29 | 2011-09-29 | Absorption refrigerating machine with pressure-actuated valves |
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| Country | Link |
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| CN (1) | CN202485269U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225301A (en) * | 2016-08-23 | 2016-12-14 | 上海交通大学 | Phase transformation laser heating adsorbent bed system |
| CN106288498A (en) * | 2016-08-19 | 2017-01-04 | 上海交通大学 | Adsorbent bed system |
| CN106338156A (en) * | 2016-08-23 | 2017-01-18 | 上海交通大学 | Phase-change continuous cooling adsorbent bed system |
-
2011
- 2011-09-29 CN CN2011203799249U patent/CN202485269U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288498A (en) * | 2016-08-19 | 2017-01-04 | 上海交通大学 | Adsorbent bed system |
| CN106288498B (en) * | 2016-08-19 | 2019-03-15 | 上海交通大学 | Adsorb bed system |
| CN106225301A (en) * | 2016-08-23 | 2016-12-14 | 上海交通大学 | Phase transformation laser heating adsorbent bed system |
| CN106338156A (en) * | 2016-08-23 | 2017-01-18 | 上海交通大学 | Phase-change continuous cooling adsorbent bed system |
| CN106225301B (en) * | 2016-08-23 | 2019-06-21 | 上海交通大学 | Phase transformation laser heating adsorbs bed system |
| CN106338156B (en) * | 2016-08-23 | 2019-08-09 | 上海交通大学 | Phase transformation continuous coo1ing adsorbs bed system |
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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 |
Granted publication date: 20121010 Termination date: 20170929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |