CN103808065A - Second-kind lithium bromide absorption heat pump unit system - Google Patents
Second-kind lithium bromide absorption heat pump unit system Download PDFInfo
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- CN103808065A CN103808065A CN201410052588.5A CN201410052588A CN103808065A CN 103808065 A CN103808065 A CN 103808065A CN 201410052588 A CN201410052588 A CN 201410052588A CN 103808065 A CN103808065 A CN 103808065A
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- lithium bromide
- heat pump
- bromide absorption
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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
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The invention relates to a second-kind lithium bromide absorption heat pump unit system which comprises two single-effect second-kind lithium bromide absorption heat pump units. The two single-effect second-kind lithium bromide absorption heat pump units are connected through a pipe, the first unit and the second unit respectively comprise a generator (1), a condenser (2), an evaporator (6), an absorber (7) and a solution heat exchanger (5), a driving waste heat source sequentially enters the evaporator (6) of the first unit, the evaporator (6) of the second unit, the generator (1) of the second unit and the generator (1) of the first unit in a series connection mode, cooling water respectively enters the condenser (2) of the first unit and the condenser (2) of the second unit in a parallel connection mode, a manufactured high temperature heat source respectively enters the absorber (7) of the first unit and the absorber (7) of the second unit in a parallel connection mode, solution circulation and refrigerant water circulation of the two units are respectively independent, and respectively operate according to the single-effect procedure of a prior second-kind lithium bromide absorption heat pump unit. According to the second-kind lithium bromide absorption heat pump unit system, middle (low)-temperature waste heat sources are used for driving, and recovery of waste heat can be improved under the condition that cooling water is used.
Description
Technical field
The present invention relates to a kind of Equations of The Second Kind lithium bromide absorption type heat pump machine set system.Belong to air conditioner technical field.
Background technology
Warm used heat resource in existing in a large number in production technology, directly emit and not only wasted a large amount of thermals source, but also can produce thermal pollution, adopt water quench need to consume a large amount of cooling waters, these have the place of used heat in art production process, to need again a large amount of high temperature heat sources in addition, and the energy that need to consume a large amount of high-quality is supplied with.Adopt Equations of The Second Kind lithium bromide absorption type heat pump unit in such occasion, under the condition of use cooling water, can effectively reclaim used heat waste heat, produce higher temperature thermal source.Single-action Equations of The Second Kind lithium bromide absorption type heat pump unit in the past, as shown in Figure 1, it mainly contains the compositions such as the pipeline of generator 1, condenser 2, evaporimeter 6, absorber 7, heat exchanger 5, concentrated solution pump 4, cryogenic fluid pump 3, evaporimeter refrigerant cycle pump 8, control system (not shown) and connecting components, heating flow process is that waste heat source enters in evaporimeter and generator heat-transfer pipe, in generator 1, weak solution from absorber is produced and heats refrigerant vapour, weak solution simmer down to concentrated solution by waste heat source heating.Concentrated solution is delivered to absorber 7 by concentrated solution pump 4 through solution heat exchanger 5.Heat the refrigerant vapour water condensation that is cooled and become water as refrigerant in condenser 2, condensation heat is taken out of outside machine by cooling water, water as refrigerant is delivered to evaporimeter water as refrigerant liquid capsule through cryogenic fluid pump 3 pressurization, then squeezes into evaporimeter 6 tube surface by evaporimeter refrigerant cycle pump 8, draws the heat of waste heat source and evaporates.The concentrated solution that steam is absorbed in device 7 absorbs, and concentrated solution becomes weak solution, the high temperature heat source that will produce in hot heating absorption device 7 pipes of absorption of generation.The heat source temperature that single-action second-kind absorption-type heat pump unit is produced is compared with used heat heat source temperature, intensification scope only has 30 ℃ of left and right, and limited by cooling water temperature, thermal source increasing extent of temperature cannot further improve, thereby make the thermal source grade produced limited, for just meeting by heat demand production technology of high grade.Produce the increasing extent of temperature of high temperature heat source if improve, just need reduce the available waste heat source temperature difference, cause the used heat total amount of heat reclaiming to reduce, a part of used heat cannot be recycled and waste, thereby causes energy resource consumption to increase.How (low) warm waste heat source in recycling as much as possible, produces out that more high-grade thermal source meets production technology or life is used, and realizes mixed economy and the social benefit of energy-saving and emission-reduction, becomes one of important topic of current research.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of in (low) warm waste heat source drive, use under cooling water condition, can increase used heat heat recovery, produce the Equations of The Second Kind lithium bromide absorption type heat pump machine set system of high-grade thermal source.
The present invention seeks to realize like this: a kind of Equations of The Second Kind lithium bromide absorption type heat pump machine set system, it is characterized in that described system comprises two single-action Equations of The Second Kind lithium bromide absorption type heat pump units, two single-action Equations of The Second Kind lithium bromide absorption type heat pump units connect by pipeline, First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit and second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit include generator, condenser, evaporimeter, absorber, solution heat exchanger, concentrated solution pump, cryogenic fluid pump and evaporimeter refrigerant cycle pump, the series connection of driving waste heat source, be divided into three warm areas, be respectively high-temperature region, middle warm area and low-temperature space, drive waste heat source series connection to enter successively the evaporimeter of First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit, the evaporimeter of second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit, the generator of the generator of second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit and First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit, cooling water parallel connection enters respectively the condenser of First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit and the condenser of second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit, the high temperature heat source parallel connection of producing enters respectively the absorber of First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit and the absorber of second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit, two single-action Equations of The Second Kind lithium bromide absorption type heat pump unit solution circulations and water as refrigerant circulation are independent separately, press respectively Equations of The Second Kind lithium bromide absorption type heat pump unit single-action process flow operation in the past.
Equations of The Second Kind lithium bromide absorption type heat pump machine set system of the present invention, evaporimeter and the absorber of the evaporimeter of described First single-action Equations of The Second Kind lithium bromide absorption type heat pump and absorber and second single-action Equations of The Second Kind lithium bromide absorption type heat pump are arranged in same cylindrical shell, centre separates with dividing plate, the absorber of the evaporimeter of First single-action Equations of The Second Kind lithium bromide absorption type heat pump and First single-action Equations of The Second Kind lithium bromide absorption type heat pump is in a cavity, the absorber of the evaporimeter of second single-action Equations of The Second Kind lithium bromide absorption type heat pump and second single-action Equations of The Second Kind lithium bromide absorption type heat pump is in a cavity, generator and the condenser of the generator of First single-action Equations of The Second Kind lithium bromide absorption type heat pump and condenser and second single-action Equations of The Second Kind lithium bromide absorption type heat pump are arranged in same cylindrical shell, centre separates with dividing plate respectively, the condenser of the generator of First single-action Equations of The Second Kind lithium bromide absorption type heat pump and First single-action Equations of The Second Kind lithium bromide absorption type heat pump is in a cavity, and the condenser of the generator of second single-action Equations of The Second Kind lithium bromide absorption type heat pump and second single-action Equations of The Second Kind lithium bromide absorption type heat pump is in a cavity.
High-temperature region and low-temperature space are as the driving waste heat source of First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit, and high-temperature region waste heat source enters evaporimeter, low-temperature space waste heat source enters generator.Middle warm area is as the driving waste heat source of second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit, and the series connection of middle warm area waste heat source enters generator after being introduced into evaporimeter again.
The invention has the beneficial effects as follows:
The present invention is by above-mentioned Equations of The Second Kind lithium bromide absorption type heat pump machine set system, by waste heat source temperature subregion, make full use of the advantage of waste heat source high-temperature region, overcome the deficiency of waste heat source low-temperature space, middle warm area waste heat source is just right, make two drive waste heat source grade differences, the Equations of The Second Kind lithium bromide absorption type heat pump unit of independent operating is made equal thermal source of high grade separately, coefficient of performance in heating all reaches 0.48 left and right.Under the same conditions, adopt this system, than general single-action Equations of The Second Kind lithium bromide absorption type heat pump unit, the high temperature heat source grade produced improves, can be for use heat demand production technology of high grade, or it is identical to produce thermal source grade, make to drive waste heat source temperature to be even lower, significantly increase the recovery of used heat heat, reduced the consumption of primary energy, realized mixed economy and the social benefit of energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is single-action Equations of The Second Kind lithium bromide absorption type heat pump unit schematic diagram in the past.
Fig. 2 is Equations of The Second Kind lithium bromide absorption type heat pump machine set system schematic diagram of the present invention.
In figure:
Condenser 2
Concentrated solution pump 4
Evaporimeter refrigerant cycle pump 8
First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9
Second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 10.
The specific embodiment
As shown in Figure 2, a kind of Equations of The Second Kind lithium bromide absorption type heat pump machine set system, connected and composed by pipeline by two single-action Equations of The Second Kind lithium bromide absorption type heat pump units, First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9 and second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 10 include pipeline of generator 1, condenser 2, evaporimeter 6, absorber 7, solution heat exchanger 5, concentrated solution pump 4, cryogenic fluid pump 3, evaporimeter refrigerant cycle pump 8, control system (not shown) and connecting components etc.The series connection of driving waste heat source, is divided into three warm areas, is respectively high-temperature region, middle warm area, low-temperature space.Drive waste heat source series connection to enter successively the evaporimeter 6 of the evaporimeter 6 of First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9, second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 10, second generator 1 of single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 10 and the generator 1 of First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9.High-temperature region and low-temperature space be as the driving waste heat source of First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9, and the waste heat source evaporimeter 6, the low-temperature space waste heat source that enter First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9 in high-temperature region enters the generator 1 of First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9.Middle warm area is as the driving waste heat source of second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 10, and middle warm area waste heat source series connection is introduced into after the evaporimeter 6 of second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 10, then enters the generator of second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 10.Cooling water parallel connection enters respectively the condenser 2 of First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9 and the condenser 2 of second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 10.The high temperature heat source parallel connection of producing enters respectively the absorber 7 of First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9 and the absorber 7 of second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 10.Two unit solution circulations and water as refrigerant circulation are independent separately, by Equations of The Second Kind lithium bromide absorption type heat pump unit single-action process flow operation in the past, produce out the thermal source that grade is identical respectively.In First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9, entering First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9 evaporimeters 6 drives the temperature of waste heat source the highest, promote the evaporating pressure of First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9, the corresponding raising of absorption pressure, while producing the thermal source of uniform temperature, required concentrated solution, the concentration of weak solution is corresponding lower, these are just making up low-temperature space waste heat source and are entering First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9 generators 1, that causes because temperature is low can not be by concentrated solution relatively dense defect, make First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9 in weak solution, in the corresponding lower situation of concentration of concentrated solution, can make the high temperature heat source with second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 10 identical grade.In second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 10, middle warm area waste heat source (from First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9 evaporimeters waste heat source out) is introduced into second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 10 evaporimeter 6, the relative First single-action of temperature Equations of The Second Kind lithium bromide absorption type heat pump unit 9 evaporimeters are low, absorption pressure is corresponding lower than First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9, while producing the thermal source of identical grade, required concentrated solution, the concentration of weak solution is corresponding higher, but second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 10 generator 1 drives waste heat source warm area than First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9 height, under equal cooling water condition, the concentrated solution of second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit 9 generators 1 capable higher concentration that weak solution simmer down to higher relative concentration is needed.By above-mentioned optimizing integration, form a kind of Equations of The Second Kind lithium bromide absorption type heat pump machine set system, produce out more high-grade high temperature heat source, for using heat demand production technology of high grade, or it is identical to produce thermal source grade, make to drive waste heat source temperature to be even lower, significantly increase the recovery of used heat heat, reduce the consumption of primary energy, realized mixed economy and the social benefit of energy-saving and emission-reduction.
Two Equations of The Second Kind lithium bromide absorption type heat pump units in above scheme can be also: evaporimeter 6 and the absorber 7 of the evaporimeter 6 of First single-action Equations of The Second Kind lithium bromide absorption type heat pump and absorber 7 and second single-action Equations of The Second Kind lithium bromide absorption type heat pump are arranged in same cylindrical shell, centre separates with dividing plate, the absorber 7 of the evaporimeter 6 of First single-action Equations of The Second Kind lithium bromide absorption type heat pump and First single-action Equations of The Second Kind lithium bromide absorption type heat pump is in a cavity, the absorber 7 of the evaporimeter 6 of second single-action Equations of The Second Kind lithium bromide absorption type heat pump and second single-action Equations of The Second Kind lithium bromide absorption type heat pump is in a cavity, generator 1 and the condenser 2 of the generator 1 of First single-action Equations of The Second Kind lithium bromide absorption type heat pump and condenser 2 and second single-action Equations of The Second Kind lithium bromide absorption type heat pump are arranged in same cylindrical shell, centre separates with dividing plate respectively, the generator 1 of First single-action Equations of The Second Kind lithium bromide absorption type heat pump and condenser 2 are in a cavity, the generator 1 of second single-action Equations of The Second Kind lithium bromide absorption type heat pump and condenser 2 are in a cavity, make this Equations of The Second Kind lithium bromide absorption type heat pump machine set system overall appearance compacter, volume reduces, and floor space reduces.
In above scheme, driving used heat can be spent hot water, conduction oil or other media.
Claims (3)
1. an Equations of The Second Kind lithium bromide absorption type heat pump machine set system, it is characterized in that described system comprises two single-action Equations of The Second Kind lithium bromide absorption type heat pump units, two single-action Equations of The Second Kind lithium bromide absorption type heat pump units connect by pipeline, First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit (9) and second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit (10) include generator (1), condenser (2), evaporimeter (6), absorber (7), solution heat exchanger (5), concentrated solution pump (4), cryogenic fluid pump (3) and evaporimeter refrigerant cycle pump (8), the series connection of driving waste heat source, be divided into three warm areas, be respectively high-temperature region, middle warm area and low-temperature space, drive waste heat source series connection to enter successively the evaporimeter (6) of First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit (9), the evaporimeter (6) of second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit (10), the generator (1) of second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit (10) and the generator (1) of First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit (9), cooling water parallel connection enters respectively the condenser (2) of First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit (9) and the condenser (2) of second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit (10), the high temperature heat source parallel connection of producing enters respectively the absorber (7) of First single-action Equations of The Second Kind lithium bromide absorption type heat pump unit (9) and the absorber (7) of second single-action Equations of The Second Kind lithium bromide absorption type heat pump unit (10), two single-action Equations of The Second Kind lithium bromide absorption type heat pump unit solution circulations and water as refrigerant circulation are independent separately, press respectively Equations of The Second Kind lithium bromide absorption type heat pump unit single-action process flow operation in the past.
2. a kind of Equations of The Second Kind lithium bromide absorption type heat pump machine set system according to claim 1, the evaporimeter (6) and the absorber (7) that it is characterized in that described First single-action Equations of The Second Kind lithium bromide absorption type heat pump are arranged in same cylindrical shell with evaporimeter (6) and the absorber (7) of second single-action Equations of The Second Kind lithium bromide absorption type heat pump, centre separates with dividing plate, the absorber (7) of the evaporimeter (6) of First single-action Equations of The Second Kind lithium bromide absorption type heat pump and First single-action Equations of The Second Kind lithium bromide absorption type heat pump is in a cavity, the evaporimeter (6) of second single-action Equations of The Second Kind lithium bromide absorption type heat pump and the absorber (7) of second single-action Equations of The Second Kind lithium bromide absorption type heat pump are in a cavity, the generator (1) of First single-action Equations of The Second Kind lithium bromide absorption type heat pump and condenser (2) are arranged in same cylindrical shell with generator (1) and the condenser (2) of second single-action Equations of The Second Kind lithium bromide absorption type heat pump, centre separates with dividing plate respectively, the condenser (2) of the generator (1) of First single-action Equations of The Second Kind lithium bromide absorption type heat pump and First single-action Equations of The Second Kind lithium bromide absorption type heat pump is in a cavity, the generator (1) of second single-action Equations of The Second Kind lithium bromide absorption type heat pump and the condenser (2) of second single-action Equations of The Second Kind lithium bromide absorption type heat pump are in a cavity.
3. a kind of Equations of The Second Kind lithium bromide absorption type heat pump machine set system according to claim 1 and 2, is characterized in that described driving used heat is spent hot water or conduction oil.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061709A (en) * | 2014-07-03 | 2014-09-24 | 李建峰 | Hot-dry rock single-effect lithium bromide absorbing-type heat pump heat supply system |
| CN109443081A (en) * | 2018-12-17 | 2019-03-08 | 国电龙源节能技术有限公司 | A kind of heat pump driving steam condensation water system and its cleaning method |
| 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 |
| CN114216287A (en) * | 2021-12-24 | 2022-03-22 | 北京华源泰盟节能设备有限公司 | Method and system for controlling heat source valve of absorption heat pump based on multiple PID |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104061709A (en) * | 2014-07-03 | 2014-09-24 | 李建峰 | Hot-dry rock single-effect lithium bromide absorbing-type heat pump heat supply system |
| CN109443081A (en) * | 2018-12-17 | 2019-03-08 | 国电龙源节能技术有限公司 | A kind of heat pump driving steam condensation water system and its cleaning method |
| CN109443081B (en) * | 2018-12-17 | 2023-09-26 | 国电龙源节能技术有限公司 | Heat pump driven steam condensate system and cleaning method thereof |
| 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 |
| CN114216287A (en) * | 2021-12-24 | 2022-03-22 | 北京华源泰盟节能设备有限公司 | Method and system for controlling heat source valve of absorption heat pump based on multiple PID |
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| CN103808065B (en) | 2016-03-16 |
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