CN107525300A - The hot water type lithium bromide absorption cooling water dispenser group of solution series occurs with single-action - Google Patents
The hot water type lithium bromide absorption cooling water dispenser group of solution series occurs with single-action Download PDFInfo
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- CN107525300A CN107525300A CN201710882877.1A CN201710882877A CN107525300A CN 107525300 A CN107525300 A CN 107525300A CN 201710882877 A CN201710882877 A CN 201710882877A CN 107525300 A CN107525300 A CN 107525300A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B35/00—Boiler-absorbers, i.e. boilers usable for absorption or adsorption
- F25B35/02—Boiler-absorbers, i.e. boilers usable for absorption or adsorption using a liquid as sorbent, e.g. brine
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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
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The present invention relates to a kind of hot water type lithium bromide absorption cooling water dispenser group that solution series occur with single-action, belong to technical field of refrigeration equipment.Including single-action generator, second-stage generator, condenser, evaporator, secondary absorber, first absorber, first-stage generator, one-level heat exchanger, two-stage heat exchanger, single-action heat exchanger, cryogenic fluid pump, one-level generating pump, two level generating pump, single-action generating pump, it is characterised in that：Hot water series connection enters first-stage generator after being introduced into single-action level generator, finally enters second-stage generator；The relatively independent solution circulation of unit inside points two, is the circulation of two level solution, single-action and primary liquor series circulation respectively；Use four canned motor pumps.In making（It is low）Warm remaining hot water cooling extent is big, more recovery waste heat hydro-thermal amounts while coefficient of performance value improve, realize the mixed economy and social benefit of energy-saving and emission-reduction.
Description
Technical field
A kind of hot water type lithium bromide absorption cooling water dispenser group that solution series occur with single-action of the present invention, belongs to air-conditioning equipment skill
Art field.
Background technology
, it is necessary to be freezed or heated using air-conditioning in production technology or life, and these need to consume certain energy
It could realize.Exist largely in production technology simultaneously again in（It is low）Warm used heat, some used heat are arranged due to that can not utilize
Put, cause to waste.For energy-saving and emission-reduction, now using lithium bromide refrigeration technique, this part used heat of recoverable, realize refrigeration or
Heat purpose.Generally, when remaining hot water inlet temperature at 90 DEG C or so, it is necessary to when freezing, preferred product is hot water single-action
Type lithium bromide adsorption water chilling unit（Flow chart is shown in Fig. 1）, because its coefficient of performance of refrigerating COP is up to 0.75 or so, remaining hot water
Minimum 80 DEG C of outlet temperature, the waste heat water entrance temperature difference are maximum 10 DEG C；If two level, which occurs, from two level absorbs hot water lithium bromide
Absorption chiller（Flow chart is shown in Fig. 2）, the cold water of same quality is produced, the waste heat water entrance temperature difference can be made to be increased to 30 DEG C
Left and right, hot water outlet temperature drop to 60 DEG C, just more, but its coefficient of performance of the remaining hot water heat recovery of same flow
Only 0.4 or so, it is clear that conversion efficiency is again too low.In how making（It is low）Warm remaining hot water cooling extent is big, can more reclaim
（It is low）Warm remaining hot water heat, coefficient of performance value again it is higher in the case of, the cold water for producing same quality meets production technology or life
It is living to use, the mixed economy and social benefit of energy-saving and emission-reduction are realized, turns into one of important topic studied at present.
The content of the invention
In making it is an object of the invention to provide one kind（It is low）Warm remaining hot water cooling extent is big, the more recovery waste heat hydro-thermals of energy
Amount, coefficient of performance value and the higher hot water type lithium bromide absorption cooling water dispenser group that solution series occur with single-action.
What the object of the invention was realized in：A kind of hot water type lithium bromide absorption cooling water that solution series occur with single-action
Unit, including single-action generator, second-stage generator, condenser, evaporator, secondary absorber, first absorber, one-level occur
Device, one-level heat exchanger, two-stage heat exchanger, single-action heat exchanger, cryogenic fluid pump, two level generating pump, one-level generating pump, single-action hair
Raw pump, the pipeline of control system and connecting components, valve etc..It is characterized in that：It is that two level occurs in two level to absorb hot-water type
On lithium bromide adsorption water chilling crew base, increased single-action generator is placed in the high pressure of upper cylinder second-stage generator and condenser
In cavity, single-action generator sets independent liquid dish to be placed in above second-stage generator；Evaporator and secondary absorber are same
In one low pressure volumes, in same middle pressure chamber body, they are placed in lower cylinder for first-stage generator and first absorber.Drive hot water
Series connection enters first-stage generator after being introduced into single-action generator, finally enters second-stage generator；Cooling water series connection is introduced into two level
Enter first absorber after absorber, finally enter condenser；Cold water enters evaporator.Unit internal solution two phases of circulation point
To independent circulation：Second-stage generator, first absorber and two-stage heat exchanger form the circulation of two level solution；Secondary absorber goes out
During the weak solution come is into heated concentration in first-stage generator after the heating of one-level heat exchanger by the lifting of one-level generating pump
Between solution, first-stage generator come out intermediate solution by single-action generating pump lifted through single-action heat exchanger heating after enter single-action send out
It is concentrated solution that raw device, which is heated concentration, and the power of the pressured difference of the concentrated solution that single-action generator comes out and potential difference is handed over through single-action heat successively
Parallel operation, one-level heat exchanger cooling after enter secondary absorber spray is changed into weak solution, this process formed another single-action with
Primary liquor series circulation.
Single-action generator, second-stage generator and condenser are in same high-pressure chamber, are placed in the top of unit, single-action hair
Raw device can also be arranged side by side with second-stage generator, set independent liquid dish, set liquid barrier between them.
It can be spent hot water, conduction oil or other media that used heat is driven in above scheme.Cooling water can also first parallel connection enter
Enter to merge together after secondary absorber, first absorber and enter back into condenser.Cooling water can enter two level with parallel connection and absorb
Device, first absorber and condenser.
Compared with prior art, the advantage of the invention is that：
The present invention makes remaining hot water in single-action by the single-action generator and single-action heat exchanger newly established and above-mentioned brand-new flow
Generator release high-temperature region heat, first-stage generator release in warm area heat, second-stage generator discharge low-temperature space heat, close
Reason make use of remaining hot water warm area, while single-action can make middle pressure chamber pressure is relative to improve with primary liquor series circulation, more adduction
The temperature spot and concentration difference of each circulation of selection of reason, improve unit performance coefficient COP values, and the concentration of single-action generator is dense
The power of the pressured difference of solution and potential difference enters in secondary absorber after single-action heat exchanger, the cooling of one-level heat exchanger successively to be sprayed
Leaching, it is not necessary to increase kinetic pump, still using four canned motor pumps.The coefficient of performance of refrigerating and hot water list of single-action generator solution circulation
Acting type unit is essentially identical, the coefficient of performance of refrigerating and two level hot-water type machine of the circulation of two level solution and the circulation of first-stage generator solution
Group is essentially identical, and both are compound to make the hot-water type unit of solution series occurs in more recovery waste heat hydro-thermal amount while property with single-action
Can the raising of coefficient COP values.For example, working as remaining hot water inlet temperature at 90 DEG C or so, produce and single-effect type unit and diarcs unit
Identical grade cold water（8 DEG C or so of cold water outlet temperature）When, absorbed using the hot water lithium bromide that solution series occur with single-action
Formula handpiece Water Chilling Units, coefficient of performance of refrigerating COP is up to 0.6 or so, and for waste heat water out at 55 DEG C or so, the waste heat water entrance temperature difference can
Up to 35 DEG C or so, it is seen then that greatly improved although the unit performance coefficient COP is more slightly lower than single-effect type unit than diarcs unit,
And hot water cooling extent increases, the heat of remaining hot water more can be fully recycled, realizes mixed economy and the society of energy-saving and emission-reduction
Can benefit.
Brief description of the drawings
Fig. 1 is conventional hot water single-effect lithiumbromide absorption chiller schematic diagram.
Fig. 2 is that two level absorption hot water type lithium bromide absorption cooling water dispenser group schematic diagram occurs for conventional two level.
Fig. 3 is one of hot water type lithium bromide absorption cooling water dispenser group schematic diagram that solution series occur with single-action for the present invention.
Fig. 4 is the two of the hot water type lithium bromide absorption cooling water dispenser group schematic diagram that solution series occur with single-action for the present invention.
In figure：
Generator 1, condenser 2, evaporator 3, absorber 4, cryogenic fluid pump 5, solution pump 6, solution heat exchanger 7, secondary absorber
8th, first absorber 9, one-level generating pump 10, two level generating pump 11, two level absorption pump 12, one-level heat exchanger 13, one-level occur
Device 14, two-stage heat exchanger 15, second-stage generator 16, single-action generating pump 17, single-action heat exchanger 18, single-action generator 19.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment 1：
Hot water type lithium bromide absorption cooling water dispenser group as shown in Figure 3 with single-action generation solution series, including single-action generator 19,
Second-stage generator 16, condenser 2, evaporator 3, secondary absorber 8, first absorber 9, first-stage generator 14, one-level heat exchange
Device 13, two-stage heat exchanger 15, single-action heat exchanger 18, cryogenic fluid pump 5, one-level generating pump 10, two level generating pump 11, single-action occur
Pump 17, control system（Not shown in figure）And the pipelines of connecting components, valve etc..It is that two level occurs in conventional two level to absorb
Hot water type lithium bromide absorption cooling water dispenser group（Such as Fig. 2）On the basis of, single-action generator 19 is placed in the upper He of cylinder second-stage generator 16
In the high-pressure chamber of condenser 2, single-action generator 19 sets independent liquid dish to be placed in the top of second-stage generator 16；Evaporator 3
With secondary absorber 8 in same low pressure volumes, first-stage generator 14 and first absorber 9 in same middle pressure chamber body, they
Still it is placed in lower cylinder.The series connection of unit Flow driving hot water enters first-stage generator 14 after being introduced into single-action generator 19, finally
Into second-stage generator 16；Cooling water series connection enters first absorber 9 after being introduced into secondary absorber 8, finally enters condenser
2；Cold water enters evaporator 3.The two relatively independent circulations of circulation point of unit internal solution：Second-stage generator 16, first order absorption
Device 9 and two-stage heat exchanger 15 form the circulation of two level solution；The weak solution that secondary absorber 8 comes out is lifted by one-level generating pump 10
It is intermediate solution to enter heated concentration in first-stage generator 14 after the heating of one-level heat exchanger 13, and first-stage generator 14 comes out
Intermediate solution by single-action generating pump 17 lifted after single-action heat exchanger 18 heats up enter single-action generator 19 be heated concentration
For concentrated solution, the pressured difference of concentrated solution and the power of potential difference that single-action generator comes out are successively through single-action heat exchanger 18, one-level heat
Exchanger 13 enters the spray of secondary absorber 8 and is changed into weak solution after cooling, this process forms another single-action and primary liquor
Series circulation.
Because single-action generator 19 and second-stage generator 16 are in same high-pressure chamber with condenser 2, single-action is pressed
Power and two level generation pressure are identical, and what hot water was introduced into is single-action generator 19, and hot water temperature is accordingly higher, occur from one-level
The intermediate solution of device 14 is heated concentrated solution of the concentration for high concentration in single-action generator 19；What hot water finally entered is two level
Generator 16, hot water temperature is minimum, and under identical generation pressure condition, the weak solution from the low concentration of first absorber 9 is two
Concentrated solution of the concentration for low concentration is heated in level generator 16；In first-stage generator 14 and the middle pressure chamber body of first absorber 9,
Concentrated solution from the low concentration of second-stage generator 16, which enters in first absorber 9, to be sprayed, and is absorbed cold caused by first-stage generator 14
Agent steam, the cooled water of heat are taken away, form medium one-level and pressure occurs, make the weak solution from secondary absorber 8 one
It is intermediate solution to be heated concentration in level generator 14.In evaporator 3 and the low pressure volumes of secondary absorber 8, carry out condenser 2
The water as refrigerant of condensation enters the heat absorption of evaporator 3 evaporation through U-tube and freezed, and concentrated solution absorbs refrigerant vapour in secondary absorber 8
After be changed into weak solution.
Single-action generator 19, second-stage generator 16 and condenser 2 are in same high-pressure chamber, are placed in the top of unit.
By above-mentioned brand-new Optimizing Flow, constitute a kind of hot water lithium bromide that solution series occur with single-action and absorb
Formula handpiece Water Chilling Units, in making（It is low）Warm remaining hot water cooling extent is big, more recovery waste heat hydro-thermal amounts while coefficient of performance value carry
Height, realize the mixed economy and social benefit of energy-saving and emission-reduction.
Embodiment 2：
The hot water type lithium bromide absorption cooling water dispenser group of solution series occurs as shown in figure 4, single-action is sent out with single-action in above scheme
Raw device 19 is arranged side by side with second-stage generator 16, sets independent liquid dish, sets liquid barrier between them.
It can be spent hot water, conduction oil or other media that used heat is driven in both examples above.Cooling water can also be first
Parallel connection enters secondary absorber 8, merges together after first absorber 9 and enters back into condenser 2.Cooling water can be entered with parallel connection
Secondary absorber 8, first absorber 9 and condenser 2.
In addition to the implementation, it is all to use equivalent transformation or equivalent replacement present invention additionally comprises there is other embodiment
The technical scheme that mode is formed, it all should fall within the scope of the hereto appended claims.
Claims (7)
1. a kind of hot water type lithium bromide absorption cooling water dispenser group that solution series occur with single-action, including second-stage generator（16）、
Condenser（2）, evaporator（3）, secondary absorber（8）, first absorber（9）, first-stage generator（14）, one-level heat exchanger
（13）, two-stage heat exchanger（15）, cryogenic fluid pump（5）, one-level generating pump（10）With two level generating pump（11）, it is characterised in that：It
Also include single-action generating pump（17）, single-action heat exchanger（18）With single-action generator（19）；Driving hot water series connection is introduced into single-action
Generator（19）Enter first-stage generator afterwards（14）, finally enter second-stage generator（16）；Cooling water series connection is introduced into two level suction
Receive device（8）Enter first absorber afterwards（9）, finally enter condenser（2）；Cold water enters evaporator（3）；Unit internal solution follows
Two relatively independent circulations of ring point：Second-stage generator（16）, first absorber（9）And two-stage heat exchanger（15）Form two level
Solution circulates；Secondary absorber（8）Weak solution out is by one-level generating pump（10）Lifting is through one-level heat exchanger（13）Heating
Enter first-stage generator afterwards（14）Interior heated concentration is intermediate solution, first-stage generator（14）Intermediate solution out is by single-action
Generating pump（17）Lifting is through single-action heat exchanger（18）Enter single-action generator after heating（19）It is concentrated solution to be heated concentration, single
The power of the pressured difference of the concentrated solution of generator out and potential difference is imitated successively through single-action heat exchanger（18）, one-level heat exchanger（13）
Enter secondary absorber after cooling（8）Spray is changed into weak solution, and this process, which forms another single-action, connects with primary liquor and follow
Ring.
2. a kind of hot water type lithium bromide absorption cooling water dispenser group that solution series occur with single-action according to claim 1,
It is characterized in that：Single-action generator（19）, second-stage generator（16）And condenser（2）In same high-pressure chamber, unit is placed in
Top, and single-action generator（19）Independent liquid dish is set to be placed in second-stage generator（16）Top；Evaporator（3）With two
Level absorber（8）In same low pressure volumes, first-stage generator（14）And first absorber（9）In same middle pressure chamber body, it
Be placed in the lower cylinder of unit.
3. a kind of hot water type lithium bromide absorption cooling water dispenser group that solution series occur with single-action according to claim 1,
It is characterized in that：Single-action generator（19）, second-stage generator（16）And condenser（2）In same high-pressure chamber, unit is placed in
Top, and single-action generator（19）With second-stage generator（16）It is arranged side by side, independent liquid dish is set, sets between them
Put liquid barrier；Evaporator（3）And secondary absorber（8）In same low pressure volumes, first-stage generator（14）And first absorber
（9）In same middle pressure chamber body, they are placed in the lower cylinder of unit.
A kind of 4. hot water type lithium bromide absorption cooling water that solution series occur with single-action according to claim 1 or 2 or 3
Unit, it is characterised in that：Unit uses four canned motor pumps altogether.
A kind of 5. hot water type lithium bromide absorption cooling water that solution series occur with single-action according to claim 1 or 2 or 3
Unit, it is characterised in that：It is hot water, conduction oil or other media to drive used heat.
A kind of 6. hot water type lithium bromide absorption cooling water that solution series occur with single-action according to claim 1 or 2 or 3
Unit, it is characterised in that：Cooling water is first in parallel to enter secondary absorber（8）, first absorber（9）After merge together and enter back into
Condenser（2）；Or cooling water parallel connection enters secondary absorber（8）, first absorber（9）And condenser（2）.
7. a kind of hot water type lithium bromide absorption cooling water dispenser group that solution series occur with single-action according to claim 5,
It is characterized in that：Cooling water is first in parallel to enter secondary absorber（8）, first absorber（9）After merge together and enter back into condensation
Device（2）；Or cooling water parallel connection enters secondary absorber（8）, first absorber（9）And condenser（2）.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710882877.1A CN107525300B (en) | 2017-09-26 | 2017-09-26 | Hot water type lithium bromide absorption chiller with single effect generating solution series connection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710882877.1A CN107525300B (en) | 2017-09-26 | 2017-09-26 | Hot water type lithium bromide absorption chiller with single effect generating solution series connection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271896A (en) * | 2020-03-18 | 2020-06-12 | 双良节能系统股份有限公司 | Hot water type lithium bromide absorption water chilling unit driven by ultralow temperature waste heat |
| CN111608886A (en) * | 2020-04-09 | 2020-09-01 | 扬州秦风气体有限公司 | Air inlet cooling system and method for air separation air compressor |
| CN113566423A (en) * | 2021-08-03 | 2021-10-29 | 双良节能系统股份有限公司 | Large-temperature-rise two-stage type second-class lithium bromide absorption heat pump hot water unit |
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| Publication number | Publication date |
|---|---|
| CN107525300B (en) | 2023-08-25 |
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