CN103528259A - Lithium bromide absorption refrigerator of pre-mixture of flash steam and gas-phase surface active agent - Google Patents
Lithium bromide absorption refrigerator of pre-mixture of flash steam and gas-phase surface active agent Download PDFInfo
- Publication number
- CN103528259A CN103528259A CN201310451129.XA CN201310451129A CN103528259A CN 103528259 A CN103528259 A CN 103528259A CN 201310451129 A CN201310451129 A CN 201310451129A CN 103528259 A CN103528259 A CN 103528259A
- Authority
- CN
- China
- Prior art keywords
- absorber
- surfactant
- gas
- generator
- lithium
- 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
-
- 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 invention discloses a lithium bromide absorption refrigerator of a pre-mixture of flash steam and a gas-phase surface active agent. A generator is connected with a lithium bromide concentrator through a pipeline provided with an inverse penetration controller, the generator is connected with a condenser through a second refrigerant steam pipe, the condenser is communicated with an evaporator through a refrigerant pipe, the evaporator is connected with an absorber through a first refrigerant steam pipe, the absorber is connected with the generator through a dilute solution pipe, the lithium bromide concentrator is connected with the absorber through a concentrated solution pipe, a liquid inlet of flash evaporator is connected to the position below the evaporator liquid surface, a gas outlet of the flash evaporator is communicated with a connecting pipe of a surface active agent gas-phase adding device, and the connecting pipe stretches to the position below the absorber liquid surface to provide the surface active agent steam to the absorber. The refrigerant absorber is better in steam absorbing effect, and the efficiency of generating the steam of the generator is higher.
Description
Technical field
The invention belongs to air conditioner refrigerating technical field, be specifically related to the lithium-bromide absorption-type refrigerating machine of a kind of flash steam and gas phase surfactant premix.
Background technology
Lithium-bromide absorption-type refrigerating machine is to take lithium-bromide solution as absorbent, take water as cold-producing medium, utilizes water evaporation endothermic under high vacuum to reach the object of refrigeration.For process of refrigerastion can continuously be gone on, water as refrigerant steam after evaporation is absorbed by lithium-bromide solution, solution is thinning, this process occurs in absorber, then take heat energy as power, its moisture content is separated solution heating, and solution thickens, this process is carried out in generator.The steam obtaining in generator condenses into water in condenser, after throttling, delivers in evaporimeter and evaporates again.So circulation reaches the object of continuous cooling.
Lithium bromide, molecular formula: LiBr.White cubic system crystallization or nodular powder, very easily water-soluble, solubility is 254g/100ml water (90 ℃); Be dissolved in ethanol and ether, be slightly soluble in pyridine, dissolve in the organic solvents such as methyl alcohol, acetone, ethylene glycol.Easy deliquescence, the solubility in 100g water is 142.7g(0 ℃), 243.6g(82 ℃).Dissolve in ether, ethanol, amylalcohol equal solvent.Have monohydrate, dihydrate, trihydrate, mostly be dihydrate during normal temperature, 160 ℃ change anhydride above into.
While seething with excitement in the generator of Absorption Refrigerator due to lithium bromide water solution, can there is numerous air-bubble and make very unstability of solution surface.For suppressing the generation of bubble, people attempt to use the surface tension of decreasing by surfactant solution.And in experimentation, in comparison generator, the inhibition of bubble is more noticeable, owing to making adding of surfactant absorber performance greatly be improved.So surfactant is used as sorbefacient and starts to be used.Like this, although actual set has been brought into use surfactant very early, the sorbefacient mechanism of people's Surfactant was almost completely unclear at that time.Traditionally, the research of people's Surfactant strengthening absorption mechanism, normally in advance mixes surfactant with lithium-bromide solution, and then checks its effect of strengthening absorption, analyzes its mechanism of action.Up to the present, although there is people to propose some, explain, also do not obtain a generally acknowledged mechanism interpretation.And the present invention proposes to add surfactant with gas phase form, the research of Surfactant strengthening absorption mechanism provides new method.The present invention therefore.
Summary of the invention
The object of the invention is to provide the lithium-bromide absorption-type refrigerating machine of a kind of flash steam and gas phase surfactant premix, and this device has significantly solved the method lithium-bromide solution of available technology adopting liquid phase interpolation to defects such as steam assimilation effect are not good, refrigeration is not obvious.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
The lithium-bromide absorption-type refrigerating machine of a kind of flash steam and gas phase surfactant premix, comprise absorber, evaporimeter, condenser, generator, surfactant gas-phase adding apparatus, tube connector, the first refrigerant vapor pipe, refrigerant tube, the second refrigerant vapor pipe, concentrated solution pipe, flash vessel and weak solution pipe, it is characterized in that, described refrigeration machine also comprises lithium bromide inspissator; Described generator is connected by the pipeline with counter-infiltration controller with lithium bromide inspissator; Described generator is connected by the second refrigerant vapor pipe with condenser; Condenser is being communicated with evaporimeter by refrigerant tube; Evaporimeter is connected with absorber with the first refrigerant vapor pipe; Between absorber and generator, by weak solution pipe, be connected, described lithium bromide inspissator is connected into absorber by concentrated solution pipe; Described flash vessel liquid-inlet is connected under evaporimeter liquid level, and its gas vent is communicated with the tube connector of surfactant gas-phase adding apparatus, and described tube connector stretches under absorber liquid level, in absorber, provides surfactant steam.
Preferred technical scheme is: the surfactant arranging in described surfactant gas-phase adding apparatus is selected from isooctanol, octanol, enanthol or hexanol.
Preferred technical scheme is: the concentration difference of described lithium bromide inspissator and generator is more than 10%.
Preferred technical scheme is: the concentration that adds of the surfactant that described method is used is 80-400ppm.
While freezing, carry out in accordance with the following steps:
(1) in generator, lithium bromide water solution is heated, and the steam of generation enters condenser and is cooled, and the water as refrigerant being cooled enters sweat cooling in evaporimeter, becomes steam and enters absorber; Flash vessel carries out double evaporation-cooling simultaneously, and the surfactant steam of the steam of acquisition 50-400ppm in surfactant gas-phase adding apparatus enters absorber in tube connector after premix;
(2) in absorber, lithium-bromide solution absorbs steam and surfactant steam, will after lithium-bromide solution dilution, by weak solution pipe, be recovered into generator;
(3) counter-infiltration controller initiating task, is brought in absorber by lithium bromide inspissator after lithium-bromide solution in generator is concentrated.
Preferred technical scheme is: described method surfactant used is isooctanol, octanol, enanthol or hexanol.
The surfactant of lithium-bromide absorption-type refrigerating machine of the present invention is realized by gas phase addition method, in generator, lithium bromide water solution is heated, the steam producing enters condenser and is cooled, the water as refrigerant being cooled enters sweat cooling in evaporimeter, become steam and enter absorber, the bromize lithium concentrated solution that is come from generator in absorber absorbs, and the weak solution of formation is reintroduced back to heating evaporation in generator.Flash vessel carries out double evaporation-cooling, and evaporation effect is fast, and the steam that absorber absorbs increases, and refrigeration is better.
When refrigeration system is moved, in surfactant gas-phase adding apparatus, the activating agent of 50-400ppm is heated evaporation, produces ground activating agent steam and enters in absorber, and strengthening bromize lithium concentrated solution is for the absorption that carrys out the water as refrigerant steam of flash-pot 2.
Activating agent used is isooctanol 2-Ethyl-1-Hexanol, octanol 1-octanol, enanthol 1-Heptanol or hexanol 1-Hexanol.
With respect to prior art, the present invention has following technical characterstic:
Technical scheme of the present invention uses gas phase form to add surfactant, directly acts on sorbent surface, and the effect that performance strengthening absorbs provides new method for studying the absorption mechanism of surfactant.
Technical solution of the present invention adopts counter-infiltration controller to control operation, and the bromize lithium concentrated solution that can effectively the bromize lithium concentrated solution of low concentration be become to higher concentration is recovered in absorber 1; Bromize lithium concentrated solution concentration in absorber 1 is high, absorbs the better effects if of steam; And the bromize lithium dilute solution concentration of generator 4 is lower, its efficiency that produces steam is higher.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
Fig. 1 is system architecture sketch of the present invention.
Wherein, 1. absorber, 2. evaporimeter, 3. condenser, 4. generator, 5. surfactant gas-phase adding apparatus, 6. tube connector, 7. the first refrigerant vapor pipe, 8. refrigerant tube, 9. the second refrigerant vapor pipe, 10. concentrated solution pipe, 11. weak solution pipes, 12. lithium bromide inspissators, 13. counter-infiltration controllers, 14. flash vessels.
The specific embodiment
Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiment are not limited to limit the scope of the invention for the present invention is described.The implementation condition adopting in embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
Embodiment
As shown in Figure 1, the lithium-bromide absorption-type refrigerating machine of this flash steam and gas phase surfactant premix, comprise absorber 1, evaporimeter 2, condenser 3, generator 4, surfactant gas-phase adding apparatus 5, tube connector 6, the first refrigerant vapor pipe 7, refrigerant tube 8, the second refrigerant vapor pipe 9, concentrated solution pipe 10, flash vessel 14 and weak solution pipe 11, described refrigeration machine also comprises lithium bromide inspissator 12; Described generator 4 is connected by the pipeline with counter-infiltration controller 13 with lithium bromide inspissator 12; Described generator 4 is connected by the second refrigerant vapor pipe 9 with condenser 3; Condenser 3 is being communicated with evaporimeter 2 by refrigerant tube 8; Evaporimeter 2 use the first refrigerant vapor pipes 7 are connected with absorber 1; Between absorber 1 and generator 4, by weak solution pipe 11, be connected, described lithium bromide inspissator 12 is connected into absorber 1 by concentrated solution pipe 10; Described flash vessel 14 liquid-inlets are connected under evaporimeter liquid level, and its gas vent is communicated with the tube connector 6 of surfactant gas-phase adding apparatus 5, and described tube connector 6 stretches under absorber liquid level, in absorber, provide surfactant steam.
Use a kind of gas phase addition method of surfactant of lithium-bromide absorption-type refrigerating machine, in generator 4, lithium bromide water solution is heated, the steam producing enters condenser 3 and is cooled, the water as refrigerant being cooled enters sweat cooling in evaporimeter 2, become steam and enter absorber 1, the bromize lithium concentrated solution that is come from generator 4 in absorber 1 absorbs, and the weak solution of formation is reintroduced back to heating evaporation in generator 4.
Whole system is vacuumized, vacuum 60Pa, start refrigeration system, then switch on power, in surfactant gas-phase adding apparatus 5, the isooctanol 2-Ethyl-1-Hexanol of the 200ppm of bromize lithium concentrated solution is heated evaporation, the isooctanol 2-Ethyl-1-Hexanol steam producing enters in absorber 1, and strengthening bromize lithium concentrated solution is for the absorption that carrys out the water as refrigerant steam of flash-pot 2.
Above-mentioned example is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformations that Spirit Essence is done according to the present invention or modification, within all should being encompassed in protection scope of the present invention.
Claims (4)
1. the lithium-bromide absorption-type refrigerating machine of a flash steam and gas phase surfactant premix, comprise absorber (1), evaporimeter (2), condenser (3), generator (4), surfactant gas-phase adding apparatus (5), tube connector (6), the first refrigerant vapor pipe (7), refrigerant tube (8), the second refrigerant vapor pipe (9), concentrated solution pipe (10), flash vessel (14) and weak solution pipe (11), it is characterized in that, described refrigeration machine also comprises lithium bromide inspissator (12); Described generator (4) is connected with the pipeline of lithium bromide inspissator (12) by band counter-infiltration controller (13); Described generator (4) is connected by the second refrigerant vapor pipe (9) with condenser (3); Condenser (3) is being communicated with evaporimeter (2) by refrigerant tube (8); Evaporimeter (2) is connected with absorber (1) with the first refrigerant vapor pipe (7); Between absorber (1) and generator (4), by weak solution pipe (11), be connected, described lithium bromide inspissator (12) is connected into absorber (1) by concentrated solution pipe (10); Described flash vessel (14) liquid-inlet is connected under evaporimeter liquid level, its gas vent is communicated with the tube connector (6) of surfactant gas-phase adding apparatus (5), and described tube connector (6) stretches under absorber liquid level, in absorber, provide surfactant steam.
2. the lithium-bromide absorption-type refrigerating machine of flash steam according to claim 1 and gas phase surfactant premix, is characterized in that the surfactant arranging in described surfactant gas-phase adding apparatus (5) is selected from isooctanol, octanol, enanthol or hexanol.
3. the lithium-bromide absorption-type refrigerating machine of flash steam according to claim 1 and gas phase surfactant premix, is characterized in that the concentration difference of described lithium bromide inspissator (12) and generator (4) is more than 10%.
4. the lithium-bromide absorption-type refrigerating machine of flash steam according to claim 1 and gas phase surfactant premix, is characterized in that the concentration that adds of the surfactant of setting in described surfactant gas-phase adding apparatus (5) is 80-400ppm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310451129.XA CN103528259A (en) | 2013-09-28 | 2013-09-28 | Lithium bromide absorption refrigerator of pre-mixture of flash steam and gas-phase surface active agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310451129.XA CN103528259A (en) | 2013-09-28 | 2013-09-28 | Lithium bromide absorption refrigerator of pre-mixture of flash steam and gas-phase surface active agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103528259A true CN103528259A (en) | 2014-01-22 |
Family
ID=49930477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310451129.XA Pending CN103528259A (en) | 2013-09-28 | 2013-09-28 | Lithium bromide absorption refrigerator of pre-mixture of flash steam and gas-phase surface active agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103528259A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631392A (en) * | 2019-01-16 | 2019-04-16 | 浙江力巨热能设备有限公司 | A kind of vertical falling-film absorber and the second class twin-stage absorption heat pump |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3276217A (en) * | 1965-11-09 | 1966-10-04 | Carrier Corp | Maintaining the effectiveness of an additive in absorption refrigeration systems |
| US4315411A (en) * | 1979-05-16 | 1982-02-16 | Tadiran Israel Electronics Industries Ltd. | Alcohol trap |
| CN1146802A (en) * | 1994-04-26 | 1997-04-02 | 约克国际公司 | Absorption-type refrigeration systems and methods |
| CN1174971A (en) * | 1997-05-06 | 1998-03-04 | 刘永利 | Dialysis-sorption type refrigerating technology and refrigerator thereof |
| CN1487254A (en) * | 2002-09-30 | 2004-04-07 | 中国科学技术大学 | Method of adding additive into absorbing lithium bromide refrigerator |
| CN1757993A (en) * | 2005-10-29 | 2006-04-12 | 大连海事大学 | Lithium bromide absorption type refrigerator and its gas phase addition method of surfactant |
| CN2837740Y (en) * | 2005-10-29 | 2006-11-15 | 大连海事大学 | Gas-phase adding apparatus for interface active agent for absorption type refrigerator |
| CN201954866U (en) * | 2011-01-11 | 2011-08-31 | 河北玉星生物工程有限公司 | Lithium bromide refrigerator capable of preventing crystallization and blocking and saving energy |
| CN201954828U (en) * | 2011-01-11 | 2011-08-31 | 河北玉星生物工程有限公司 | Efficient and energy-saving lithium bromide refrigerator |
-
2013
- 2013-09-28 CN CN201310451129.XA patent/CN103528259A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3276217A (en) * | 1965-11-09 | 1966-10-04 | Carrier Corp | Maintaining the effectiveness of an additive in absorption refrigeration systems |
| US4315411A (en) * | 1979-05-16 | 1982-02-16 | Tadiran Israel Electronics Industries Ltd. | Alcohol trap |
| CN1146802A (en) * | 1994-04-26 | 1997-04-02 | 约克国际公司 | Absorption-type refrigeration systems and methods |
| CN1174971A (en) * | 1997-05-06 | 1998-03-04 | 刘永利 | Dialysis-sorption type refrigerating technology and refrigerator thereof |
| CN1487254A (en) * | 2002-09-30 | 2004-04-07 | 中国科学技术大学 | Method of adding additive into absorbing lithium bromide refrigerator |
| CN1757993A (en) * | 2005-10-29 | 2006-04-12 | 大连海事大学 | Lithium bromide absorption type refrigerator and its gas phase addition method of surfactant |
| CN2837740Y (en) * | 2005-10-29 | 2006-11-15 | 大连海事大学 | Gas-phase adding apparatus for interface active agent for absorption type refrigerator |
| CN201954866U (en) * | 2011-01-11 | 2011-08-31 | 河北玉星生物工程有限公司 | Lithium bromide refrigerator capable of preventing crystallization and blocking and saving energy |
| CN201954828U (en) * | 2011-01-11 | 2011-08-31 | 河北玉星生物工程有限公司 | Efficient and energy-saving lithium bromide refrigerator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631392A (en) * | 2019-01-16 | 2019-04-16 | 浙江力巨热能设备有限公司 | A kind of vertical falling-film absorber and the second class twin-stage absorption heat pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103411347B (en) | Coupling type heat pump waste heat recovery system | |
| RU2011143401A (en) | RENKIN CYCLE UNITED WITH AN ABSORPTION REFRIGERATOR | |
| CN1757993A (en) | Lithium bromide absorption type refrigerator and its gas phase addition method of surfactant | |
| CN2913969Y (en) | Compression type and absorption type associated refrigerating plant | |
| CN108444146A (en) | A kind of marine air-conditioning system and refrigerating method based on lithium bromide-water | |
| CN103090593A (en) | Heat pump cycle system, heat pump cycle method and vaporization system | |
| CN103528259A (en) | Lithium bromide absorption refrigerator of pre-mixture of flash steam and gas-phase surface active agent | |
| CN103438609A (en) | Refrigeration system by utilizing tail gas of fishing boat | |
| CN103512266A (en) | Lithium bromide absorption type refrigerating machine and refrigerating method thereof | |
| CN203922754U (en) | A kind of ammonia synthesis and lithium bromide absorption chiller system | |
| KR102110891B1 (en) | Quad-generation system having dehydrating structure and method for operating the system | |
| KR20100125830A (en) | Exhaust heat power generation system by low temperature refrigerants vaporization activity | |
| CN202361696U (en) | Heat pump circulating system and evaporation system | |
| CN106766359B (en) | A kind of refrigerating plant based on heat of solution and industrial waste heat | |
| CN105135742A (en) | Lithium bromide absorption refrigerating cycle system with dual evaporators | |
| CN103540295A (en) | Absorption type lithium bromide circulating mixed medium and preparation method thereof | |
| CN104807237B (en) | Energy-saving device applying lithium bromide | |
| CN209054806U (en) | A kind of air cooled condenser suitable for lithium bromide absorption refrigerating set | |
| CN203550271U (en) | Device for preparing chilled water by using low-grade energy | |
| CN202452759U (en) | Novel air conditioning system of excavator | |
| CN103512268A (en) | Lithium bromide solution absorption compression type refrigerating device | |
| CN203501531U (en) | Steam injection refrigerating equipment | |
| CN203893487U (en) | Solar energy photo-thermal refrigeration and heating device | |
| CN107014105B (en) | Energy-saving absorption refrigerator | |
| CN205300023U (en) | Compression absorption refrigeration unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140122 |