CN101644506A - Compression-absorption type refrigerating machine - Google Patents
Compression-absorption type refrigerating machine Download PDFInfo
- Publication number
- CN101644506A CN101644506A CN200910017992A CN200910017992A CN101644506A CN 101644506 A CN101644506 A CN 101644506A CN 200910017992 A CN200910017992 A CN 200910017992A CN 200910017992 A CN200910017992 A CN 200910017992A CN 101644506 A CN101644506 A CN 101644506A
- Authority
- CN
- China
- Prior art keywords
- condenser
- cryogen liquid
- absorber
- heat
- generator
- 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
Links
Images
Classifications
-
- 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
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention relates to a compression-absorption type refrigerating machine set. The invention is characterized in that a control valve, a coolant liquid pump, a compressor and a newly added throttlevalve are added into a single stage first class absorption type refrigerating machine set to form the compression-absorption type refrigerating machine; coolant liquid from an evaporator or a condenser is conveyed to an absorber or the condenser through the coolant liquid pump or a newly added second throttle valve; coolant steam formed after the coolant liquid absorbs heat enters in the compressor; compressed high pressure coolant steam enters in a generator or a rectifying tower to release condensing heat; after being throttled by the newly added throttle valve, coolant liquid enters in thecondenser together with the coolant steam from the generator or the rectifying tower; and after releasing heat or being throttled by the throttle valve, the coolant steam and the coolant liquid return to the evaporator or the coolant steam and the coolant liquid return to the absorber or the condenser after being throttled by the newly added second throttle valve. The compression-absorption typerefrigerating machine set recycles absorption heat or condensing heat by the compressor, thereby realizing the replenishment to driving heat sources, reducing the amount of recycling cooling water andimproving the performance index of recycling.
Description
Technical field
The invention belongs to the low-temperature heat source refrigeration technology field.
Background technology
Compression refrigerating machine is the Refrigeration Technique of present technology maturation, it with high-grade electric energy or mechanical energy as its energy, its structure relative fixed.For improving its performance index, people select, use aspects such as frequency conversion skill and enhancing heat-transfer effect and carried out a lot of work at cold-producing medium, but its fixing structure is sayed relatively, and the performance index that significantly improves unit is comparatively difficult.
Absorption Refrigerator is to utilize heat energy to realize the efficient energy-saving device of refrigeration as driving force, industry and civilian in promoted widely and used.For Absorption Refrigerator is had than higher performance index, people have proposed the kind of refrigeration cycle of economic benefits and social benefits or triple effect, meanwhile the higher cost of people---needed driving heat source temperature improves, and generally needs to adopt to be higher than 150 ℃ hot water, saturated vapor or the elevated temperature heat sources such as combustion gas, fuel oil of 0.7～1Mpa.For utilizing the driving heat source of lower temperature, people have developed two-stage and multi-stage absorption refrigeration machine again, and this has reduced the temperature requirements to thermal source, make that again performance index significantly reduces simultaneously.
Lower and the stable inadequately thermal source for some temperature, as solar energy, perhaps be subject to cooling water inflow and the special occasions that rolls that jolts, as boats and ships, automobile, aircraft etc., the absorption refrigeration unit or since required cooling water inflow big, performance index is low, or system complex, huge makes the application of Absorption Refrigerator be restricted owing to adopted two-stage or multilevel hierarchy to make.How with both effective combinations, make unit can utilize the heat energy of lower temperature and have higher performance index and simple as far as possible structure, will help the further promotion and application of absorption refrigeration unit.
Summary of the invention
Main purpose of the present invention provides a kind of compressing-absorbing type refrigeration unit, it is characterized in that by generator or rectifying column, absorber, evaporimeter, condenser, choke valve, solution pump and solution heat exchanger form single-stage first kind Absorption Refrigerator---the refrigerant vapour that flash-pot comes out enters absorber, quilt is from generator or rectifying column, the concentrated solution that enters absorber through solution heat exchanger absorbs, enter generator or rectifying column through solution pump and solution heat exchanger again after becoming weak solution, again discharging refrigerant vapour under the effect of driving heat source provides to condenser, condensed refrigerant vapour becomes cryogen liquid, cryogen liquid enters evaporimeter after the choke valve throttling, again become refrigerant vapour after the heat of absorption refrigerant, absorber and condenser have cooling water pipeline and external communications respectively, generator or rectifying column have the hot medium pipeline of driving and external communications, evaporimeter has chilled water pipeline and external communications---the basis on, increase parts---by-pass valve control, cryogen liquid pump or newly-increased second choke valve, compressor and newly-increased choke valve, constitute the compressing-absorbing type refrigeration machine: or flash-pot is set up a cryogen liquid pipeline and is led to absorber or condenser, and by-pass valve control and cryogen liquid pump be installed on pipeline, or self cooling condenser is set up a cryogen liquid pipeline and is led to absorber or condenser, and by-pass valve control is installed on pipeline and is increased newly second choke valve, the outlet that goes out absorber or condenser at cryogen liquid pipeline is set up a refrigerant vapour pipeline towards generator or rectifying column, and a compressor is installed on this refrigerant vapour pipeline, the outlet that goes out generator or rectifying column at the refrigerant vapour pipeline is set up a cryogen liquid pipeline towards condenser, and newly-increased choke valve is installed on this refrigerant line; Maybe need to save cooling water inflow during the driving thermic load that is not enough to provide enough when low-temperature heat source temperature is low, when making unit have the superior performance index, open by-pass valve control, or the saturated cryogen liquid of evaporator outlet pressurizes through the cryogen liquid pump, or the saturated cryogen liquid of condensator outlet becomes saturated refrigerant vapour after being sent to absorber or condenser heat absorption after the newly-increased second choke valve throttling, enter compressor compresses again, HTHP refrigerant vapour after the compression enters generator or rectifying column and discharges condensation heat and become saturated cryogen liquid, enters condenser with the refrigerant vapour from generator or rectifying column again after newly-increased choke valve throttling.
Core of the present invention is to utilize compressor to reclaim to absorb heat or condensation heat, realizes replenishing, reducing the recirculated cooling water amount and improving the performance index of circulation driving heat source.
Description of drawings
Accompanying drawing is a schematic flow sheet of the present invention.
Among the figure, the A-generator, the A0-rectifying column, the B-condenser, the C-evaporimeter, the D-absorber, the E-choke valve, the F-solution pump, the G-solution heat exchanger, the H-by-pass valve control, I-cryogen liquid pump, the J-compressor, K-increases choke valve newly, and L-increases second choke valve newly.
Specific embodiments
Describe the present invention in detail below in conjunction with accompanying drawing.
As shown in Figure 1, the object of the present invention is achieved like this: by generator A, condenser B, evaporimeter C, absorber D, choke valve E, the single-stage first kind Absorption Refrigerator that solution pump F and solution heat exchanger G are formed---the refrigerant vapour that flash-pot C comes out enters absorber D, quilt is from generator A, the concentrated solution that enters absorber D through solution heat exchanger G absorbs, enter generator A through solution pump F and solution heat exchanger G again after becoming weak solution, again discharging refrigerant vapour under the effect of driving heat source provides to condenser B, condensed refrigerant vapour becomes cryogen liquid, cryogen liquid enters evaporimeter C after choke valve E throttling, again become refrigerant vapour after the heat of absorption refrigerant, absorber D and condenser B have cooling water pipeline and external communications respectively, generator A has the hot medium pipeline of driving and external communications, evaporimeter C has chilled water pipeline and external communications---the basis on, increase parts newly---by-pass valve control H, cryogen liquid pump I, compressor J and newly-increased choke valve K, flash-pot C sets up a cryogen liquid pipeline and leads to absorber D, and by-pass valve control H and cryogen liquid pump I be installed on pipeline, the outlet that goes out absorber D at cryogen liquid pipeline is set up a refrigerant vapour pipeline towards generator A, and a compressor J is installed on this refrigerant vapour pipeline, the outlet that goes out generator A at the refrigerant vapour pipeline is set up a cryogen liquid pipeline towards condenser B, and newly-increased choke valve K is installed on this refrigerant line; The saturated cryogen liquid of evaporimeter C outlet becomes saturated refrigerant vapour after cryogen liquid pump I pressurization is sent to absorber D heat absorption, entering compressor J again compresses, HTHP refrigerant vapour after the compression enters generator A and discharges condensation heat and become saturated cryogen liquid, after newly-increased choke valve K throttling, enter condenser B again with refrigerant vapour from generator A, become saturated cryogen liquid after the heat release, after the choke valve throttling, get back to evaporimeter C, finish and reclaim the compressing-absorbing type kind of refrigeration cycle that absorbs heat.
As shown in Figure 2, purpose of the present invention also can be achieved in that by generator A, condenser B, evaporimeter C, absorber D, choke valve E, the single-stage first kind Absorption Refrigerator that solution pump F and solution heat exchanger G are formed---the refrigerant vapour that flash-pot C comes out enters absorber D, quilt is from generator A, the concentrated solution that enters absorber D through solution heat exchanger G absorbs, enter generator A through solution pump F and solution heat exchanger G again after becoming weak solution, again discharging refrigerant vapour under the effect of driving heat source provides to condenser B, condensed refrigerant vapour becomes cryogen liquid, cryogen liquid enters evaporimeter C after choke valve E throttling, again become refrigerant vapour after the heat of absorption refrigerant, absorber D and condenser B have cooling water pipeline and external communications respectively, generator A has the hot medium pipeline of driving and external communications, evaporimeter C has chilled water pipeline and external communications---the basis on, increase parts newly---by-pass valve control H, cryogen liquid pump I, compressor J and newly-increased choke valve K, flash-pot C sets up a cryogen liquid pipeline and leads to condenser B, and by-pass valve control H and cryogen liquid pump I be installed on pipeline, the outlet that goes out condenser B at cryogen liquid pipeline is set up a refrigerant vapour pipeline towards generator A, and a compressor J is installed on this refrigerant vapour pipeline, the outlet that goes out generator A at the refrigerant vapour pipeline is set up a cryogen liquid pipeline towards condenser B, and newly-increased choke valve K is installed on this refrigerant line; The saturated cryogen liquid of evaporimeter C outlet becomes saturated refrigerant vapour after cryogen liquid pump I pressurization is sent to condenser B heat absorption, entering compressor J again compresses, HTHP refrigerant vapour after the compression enters generator A and discharges condensation heat and become saturated cryogen liquid, after newly-increased choke valve K throttling, enter condenser B again with refrigerant vapour from generator A, become saturated cryogen liquid after the heat release, after the choke valve throttling, get back to evaporimeter C, finish the compressing-absorbing type kind of refrigeration cycle that reclaims condensation heat.
As shown in Figure 3, also be the flow chart of realizing the compressing-absorbing type kind of refrigeration cycle according to method provided by the invention, compared to Figure 1, adopted rectifying column A0 to replace generator A among Fig. 3, be applicable to that needs adopt the working medium of rectifying right.
As shown in Figure 4, it also is the flow chart of realizing the compressing-absorbing type kind of refrigeration cycle according to method provided by the invention, compared to Figure 1, adopted the newly-increased second choke valve L to replace cryogen liquid pump I among Fig. 4, provide cryogen liquid through the newly-increased second choke valve L to absorber or condenser by condenser.
The attainable effect of the present invention---compression-absorption type refrigerating machine group proposed by the invention has following effect and advantage:
1. simple in structure, flow process is reasonable, realized the combination of absorption unit and compression unit, can utilize lower temperature Thermal source can be aided with again a small amount of electric energy when heat source insufficiency makes the circularly cooling process continuous.
2. can effectively reduce cooling water inflow, improve by a relatively large margin performance index, but extensive use and boats and ships, automobile etc. jolt and turn over The special occasions that rolls.
In sum, the present invention can realize effective combination of absorption unit and compression unit, can utilize lower temperature thermal source, simple in structure, performance index is high, has good practicability, creativeness and novelty, should be awarded patent right.
Claims (2)
1. compressing-absorbing type refrigeration unit, it is characterized in that by generator or rectifying column, absorber, evaporimeter, condenser, choke valve, the single-stage first kind Absorption Refrigerator that solution pump and solution heat exchanger are formed---the refrigerant vapour that flash-pot (C) comes out enters absorber (D), quilt is from generator (A) or rectifying column (A0), the concentrated solution that enters absorber (D) through solution heat exchanger (G) absorbs, enter generator (A) or rectifying column (A0) through solution pump (F) and solution heat exchanger (G) again after becoming weak solution, again discharging refrigerant vapour under the effect of driving heat source provides to condenser (B), condensed cryogen liquid enters evaporimeter (C) after choke valve (E) throttling, again becoming refrigerant vapour after the heat of absorption chilled water provides to absorber, absorber (D) and condenser (B) have cooling water pipeline and external communications respectively, generator (A) or rectifying column (A0) have the hot medium pipeline of driving and external communications, evaporimeter (C) has chilled water pipeline and external communications---the basis on, increase parts---by-pass valve control (H), cryogen liquid pump (I) or newly-increased second choke valve (L), compressor (J) and newly-increased choke valve (K), constitute the compressing-absorbing type refrigeration machine: or flash-pot (C) is set up a cryogen liquid pipeline through by-pass valve control (H) and cryogen liquid pump (I) connection absorber (D) or condenser (B), or self cooling condenser (B) is set up a cryogen liquid pipeline through by-pass valve control and newly-increased second choke valve connection absorber (D) or condenser (B), a compressed machine of refrigerant vapour pipeline (J) connection generator (A) or rectifying column (A0) are set up in the outlet that goes out absorber (D) or condenser (B) at cryogen liquid pipeline, and the outlet that goes out generator (A) or rectifying column (A0) at the refrigerant vapour pipeline is set up a cryogen liquid pipeline through newly-increased choke valve (K) connection condenser (B); Maybe need to save cooling water inflow during the driving thermic load that is not enough to provide enough when low-temperature heat source temperature is low, when making unit have the superior performance index.Open by-pass valve control (H), or the saturated cryogen liquid of flash-pot outlet pressurizes through the cryogen liquid pump, or the saturated cryogen liquid of self cooling condenser outlet becomes saturated refrigerant vapour after being sent to absorber (D) or condenser (B) heat absorption after the newly-increased second choke valve throttling, enter compressor (J) compression again, HTHP refrigerant vapour after the compression enters generator (A) or rectifying column (A0) and discharges condensation heat with as to driving replenishing of heat, the saturated cryogen liquid that obtains enters condenser (B) with the refrigerant vapour from generator (A) or rectifying column (A0) again after newly-increased choke valve (K) throttling, become saturated cryogen liquid after the heat release, afterwards or through choke valve (E) throttling get back to evaporimeter (C), or return absorber (D) or condenser (B) through newly-increased second choke valve (L) throttling, finish the compressing-absorbing type kind of refrigeration cycle.
2. a compressing-absorbing type refrigeration unit is characterized in that utilizing compressor to reclaim and absorbs heat or condensation heat, realizes replenishing, reducing the recirculated cooling water amount and improving the performance index of circulation driving heat source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910017992A CN101644506A (en) | 2009-08-25 | 2009-08-25 | Compression-absorption type refrigerating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910017992A CN101644506A (en) | 2009-08-25 | 2009-08-25 | Compression-absorption type refrigerating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101644506A true CN101644506A (en) | 2010-02-10 |
Family
ID=41656492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910017992A Pending CN101644506A (en) | 2009-08-25 | 2009-08-25 | Compression-absorption type refrigerating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101644506A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322705A (en) * | 2011-08-01 | 2012-01-18 | 东南大学 | Circulating device combining diffusing absorption-type refrigeration and vapor compression refrigeration |
| CN102798248A (en) * | 2012-08-10 | 2012-11-28 | 苟仲武 | Low-temperature heat source efficient absorption refrigerator and refrigeration method thereof |
| CN103398501A (en) * | 2013-07-29 | 2013-11-20 | 中国科学院理化技术研究所 | Composite refrigeration system with main refrigeration system pre-cooling by heat driven absorption refrigerating |
| CN104101131A (en) * | 2013-04-11 | 2014-10-15 | 苟仲武 | Absorption refrigerator for refrigerating and heating by using recovered heat energy and refrigerating and heating method thereof |
| CN104154674A (en) * | 2014-08-21 | 2014-11-19 | 珠海格力电器股份有限公司 | Second-class absorption heat pump system and heating method thereof |
| CN105143788A (en) * | 2013-04-11 | 2015-12-09 | 开利公司 | Combined vapor absorption and mechanical compression cycle design |
| WO2015196884A1 (en) * | 2014-06-23 | 2015-12-30 | 周永奎 | Self-driven thermal compression heat pump refrigeration method |
| CN105928246A (en) * | 2015-05-06 | 2016-09-07 | 李华玉 | Class-V thermally-driven compression-absorption type heat pump |
| CN105953466A (en) * | 2015-05-06 | 2016-09-21 | 李华玉 | Fifth kind thermal-driving compression-absorption type heat pump |
| CN105953462A (en) * | 2015-05-06 | 2016-09-21 | 李华玉 | Fifth-class thermal driving compression-absorption heat pump |
| CN105953464A (en) * | 2015-05-06 | 2016-09-21 | 李华玉 | Fourth kind thermal-driving compression-absorption type heat pump |
| CN105953465A (en) * | 2015-05-06 | 2016-09-21 | 李华玉 | Fourth kind thermal-driving compression-absorption type heat pump |
| CN105953463A (en) * | 2015-05-06 | 2016-09-21 | 李华玉 | First kind thermal-driving compression-absorption type heat pump |
| CN106403359A (en) * | 2015-12-30 | 2017-02-15 | 李华玉 | First-class thermally driven compression-absorption type heat pump |
| CN106440503A (en) * | 2016-04-17 | 2017-02-22 | 李华玉 | First-kind thermally-driven compression type heat pump |
| CN107490210A (en) * | 2017-08-04 | 2017-12-19 | 上海交通大学 | The absorption waste heat recovery type heat pump circulatory system of compression and its method of thermal coupling |
-
2009
- 2009-08-25 CN CN200910017992A patent/CN101644506A/en active Pending
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322705A (en) * | 2011-08-01 | 2012-01-18 | 东南大学 | Circulating device combining diffusing absorption-type refrigeration and vapor compression refrigeration |
| CN102322705B (en) * | 2011-08-01 | 2013-03-20 | 东南大学 | Circulating device combining diffusing absorption-type refrigeration and vapor compression refrigeration |
| CN102798248A (en) * | 2012-08-10 | 2012-11-28 | 苟仲武 | Low-temperature heat source efficient absorption refrigerator and refrigeration method thereof |
| CN104101131A (en) * | 2013-04-11 | 2014-10-15 | 苟仲武 | Absorption refrigerator for refrigerating and heating by using recovered heat energy and refrigerating and heating method thereof |
| CN105143788A (en) * | 2013-04-11 | 2015-12-09 | 开利公司 | Combined vapor absorption and mechanical compression cycle design |
| CN105143788B (en) * | 2013-04-11 | 2018-04-27 | 开利公司 | Combine vapor adsorption and mechanical compress cyclic design |
| CN103398501A (en) * | 2013-07-29 | 2013-11-20 | 中国科学院理化技术研究所 | Composite refrigeration system with main refrigeration system pre-cooling by heat driven absorption refrigerating |
| CN103398501B (en) * | 2013-07-29 | 2015-06-10 | 中国科学院理化技术研究所 | Composite refrigeration system with main refrigeration system pre-cooling by heat driven absorption refrigerating |
| WO2015196884A1 (en) * | 2014-06-23 | 2015-12-30 | 周永奎 | Self-driven thermal compression heat pump refrigeration method |
| CN106170666B (en) * | 2014-06-23 | 2019-04-16 | 周永奎 | A kind of driving hot compression formula heat pump refrigerating method certainly |
| CN106170666A (en) * | 2014-06-23 | 2016-11-30 | 周永奎 | A kind of self-driven hot compression formula heat pump refrigerating method |
| CN104154674A (en) * | 2014-08-21 | 2014-11-19 | 珠海格力电器股份有限公司 | Second-class absorption heat pump system and heating method thereof |
| CN105953463A (en) * | 2015-05-06 | 2016-09-21 | 李华玉 | First kind thermal-driving compression-absorption type heat pump |
| CN105953465B (en) * | 2015-05-06 | 2020-05-01 | 李华玉 | Fourth type thermal driving compression-absorption heat pump |
| CN105953464A (en) * | 2015-05-06 | 2016-09-21 | 李华玉 | Fourth kind thermal-driving compression-absorption type heat pump |
| CN105953462A (en) * | 2015-05-06 | 2016-09-21 | 李华玉 | Fifth-class thermal driving compression-absorption heat pump |
| CN105953463B (en) * | 2015-05-06 | 2020-05-22 | 李华玉 | First-class thermally driven compression-absorption heat pump |
| CN105928246B (en) * | 2015-05-06 | 2020-05-22 | 李华玉 | Fifth type thermal driving compression-absorption heat pump |
| CN105953466B (en) * | 2015-05-06 | 2020-05-22 | 李华玉 | Fifth type thermal driving compression-absorption heat pump |
| CN105953466A (en) * | 2015-05-06 | 2016-09-21 | 李华玉 | Fifth kind thermal-driving compression-absorption type heat pump |
| CN105928246A (en) * | 2015-05-06 | 2016-09-07 | 李华玉 | Class-V thermally-driven compression-absorption type heat pump |
| CN105953465A (en) * | 2015-05-06 | 2016-09-21 | 李华玉 | Fourth kind thermal-driving compression-absorption type heat pump |
| CN105953464B (en) * | 2015-05-06 | 2020-05-01 | 李华玉 | Fourth type thermal driving compression-absorption heat pump |
| CN105953462B (en) * | 2015-05-06 | 2020-05-01 | 李华玉 | Fifth type thermal driving compression-absorption heat pump |
| CN106403359B (en) * | 2015-12-30 | 2020-01-31 | 李华玉 | Class thermally driven compression-absorption heat pump |
| CN106403359A (en) * | 2015-12-30 | 2017-02-15 | 李华玉 | First-class thermally driven compression-absorption type heat pump |
| CN106440503A (en) * | 2016-04-17 | 2017-02-22 | 李华玉 | First-kind thermally-driven compression type heat pump |
| CN107490210A (en) * | 2017-08-04 | 2017-12-19 | 上海交通大学 | The absorption waste heat recovery type heat pump circulatory system of compression and its method of thermal coupling |
| CN107490210B (en) * | 2017-08-04 | 2020-09-04 | 上海交通大学 | Thermally coupled compression absorption type waste heat recovery heat pump circulating system and method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101644506A (en) | Compression-absorption type refrigerating machine | |
| CN102620461B (en) | Auto-cascade jet type refrigerator | |
| CN100498128C (en) | Low grade energy driven and mechanical power driven composite heat pump, refrigeration system | |
| CN100554827C (en) | two-stage first class absorption heat pump | |
| CN101968288B (en) | Absorption-compression composite refrigeration cycle system | |
| CN103528263B (en) | A kind of ejector type refrigerating machine with intermediate heat exchange member | |
| CN101825369A (en) | High-efficiency compact high-temperature absorption type heat pump unit | |
| CN100451487C (en) | Two-stage absorbing heat pump of first type | |
| CN103411347A (en) | Coupling type heat pump waste heat recovery system | |
| CN108674126B (en) | Semi-effective absorption type refrigerating system driven by waste heat of automobile engine | |
| CN101266086B (en) | Composite absorption heat pump of second type | |
| CN101556095A (en) | Low-grade energy driving and mechanical work driving combined heat pump or refrigerating system | |
| CN102155813A (en) | Thermochemical absorption and refrigeration device driven by condensation heat of air conditioning unit | |
| CN101957093A (en) | Absorption-reabsorption-generation system and first-class absorption heat pump | |
| CN201331210Y (en) | Low-temperature air source heat pump hot water air conditioner device with flash type storing and separating device | |
| CN201429259Y (en) | Evaporative cooling water unit with function of heat recovery | |
| CN101520251B (en) | Generation-absorption-reabsorption system and absorption unit type based on system | |
| CN105972858A (en) | System and method for supplying energy and storing energy by utilizing waste heat of air compressor | |
| CN101968285A (en) | Recuperative double-action first-kind absorption type heat pump | |
| CN110986418B (en) | Absorption type circulating system based on temperature rising and pressure rising technology | |
| CN110259537B (en) | Carbon dioxide Rankine cycle power system and operation method thereof | |
| CN105019954A (en) | Combined-cycle energy supply system | |
| CN203837330U (en) | CO2 heat pump heat exchange enthalpy increase device | |
| CN113883741B (en) | Absorption refrigeration system | |
| CN110500688B (en) | Dilution type refrigeration heat pump system for air conditioning by utilizing dilution heat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Liu Hui Document name: Notification of before Expiration of Request of Examination as to Substance |
|
| DD01 | Delivery of document by public notice |
Addressee: Liu Hui Document name: Notification that Application Deemed to be Withdrawn |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100210 |