CN105466069B - A kind of energy-efficient direct-burning type lithium bromide absorption type hot water or cold water machine set system of heating - Google Patents
A kind of energy-efficient direct-burning type lithium bromide absorption type hot water or cold water machine set system of heating Download PDFInfo
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- CN105466069B CN105466069B CN201510985458.1A CN201510985458A CN105466069B CN 105466069 B CN105466069 B CN 105466069B CN 201510985458 A CN201510985458 A CN 201510985458A CN 105466069 B CN105466069 B CN 105466069B
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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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Abstract
The present invention relates to a kind of energy-efficient direct-burning type lithium bromide absorption type hot water or cold water machine set system of heating, including 2,3,4 ... N platform direct-burning type lithium bromide absorption type hot water or cold water's units, system increases by a device, and the device includes flue gas heat-exchange unit（17）, heating evaporator（26）, heating absorber（19）, heating solution heat exchanger（20）, heating cryogenic fluid pump（21）And water circulating pump（25）, heating evaporator（26）With heating absorber（19）It is arranged in same cavity, in hot water or cold water's inlet tube of system（15）On set up hot water line all the way；In the solution pump discharge pipe of any of which platform unit of system（12）On set up weak solution pipeline all the way, the road weak solution is through heating solution heat exchanger（20）Cooling enters heating absorber（19）Spray；The evaporator liquid capsule of this direct-burning type lithium bromide absorption type hot water or cold water's unit（14）On set up all the way cryogenic coolant water supplement pipeline.Present system effectively reduces exhaust gas temperature, improves heating efficiency, simple to operate.
Description
Technical field
The present invention relates to a kind of direct-burning type lithium bromide absorption type hot water or cold water machine set system.Belong to air conditioner technical field.
Background technology
Direct-burning type lithium bromide absorption type hot water or cold water's unit be using fuel oil, combustion gas the combustion heat as thermal source, water be refrigerant,
Lithium bromide water solution is absorbent, and air adjustment or technique cold water, hot water are alternately or simultaneously produced under vacuum conditions
Equipment.Because it has the characteristics such as balance energy-consuming, environmental protection and economize on electricity, the Cooling and Heat Source machine as central air conditioner system extensively should
With simultaneously particularly large-scale place often needs many units to run, to meet cooling or heat demand.Having 2,3,4 ... N
The occasion that platform unit is used, outer water system provides a total inlet and outlet pipe, and the water parallel connection of water system enters N platform units, N
The smoke evacuation of platform unit is merged together is discharged outside computer room in air by total smoke exhaust pipe.It is that A, B two is straight as shown in Figure 1 at present
Combustion type lithium bromide absorption cold, Hot water units system, are that tri- direct-burning type lithium bromide absorption types of A, B, C are hot and cold as shown in Figure 2
Water machine set system, each system is designed with a total cooling water inlet tube and outlet tube, provided with total hot water or cold water's inlet tube and outlet tube, if
There is a total smoke exhaust pipe.Single unit is by by direct combustion high pressure generator 1, low pressure generator 9, condenser 8, evaporator 5, absorption
Device 4, cryogenic fluid heat exchanger 3, high-temperature solution heat exchanger 2, heating concentrated solution switching valve 10, heating refrigerant vapour switching valve
11st, solution pump 6, cryogenic fluid pump 7, valve and control system（Not shown in figure）And the pipeline of connecting components is constituted.Unit exists
When heating operating mode is run, heating concentrated solution switching valve 10 and heating refrigerant vapour switching valve 11 are opened, cryogenic fluid pump 7 and external system
Cooling water pump stops, and the low-temperature water heating parallel connection come from air-conditioning heating user enters in the heat exchanger tube of N platforms evaporator 5, by heat exchanger tube outside
The heat of condensation heating for the cryogen water vapour that the heat dilute solution of surface direct combustion high pressure generator 1 is produced, one is summarised in after temperature rise
Rise and be sent to heating user, the concentrated solution after direct combustion high pressure generator 1 is concentrated is mixed into the interior water as refrigerant with after condensing of absorber 4
Conjunction becomes weak solution, and being sent to direct combustion high pressure generator 1 by solution pump 6 is circulated and heated again.Due to the heating produced
Hot water effluent's temperature limiting, solution temperature is higher, causes exhaust gas temperature also higher, influences the heating thermal efficiency, and such as heating hot water goes out
Mouth temperature is at 60 DEG C, and system direct combustion high pressure generator exhaust gas temperature is at 155 DEG C or so, and heating efficiency is 93% or so.Particularly
In cold winter, outdoor temperature is low, and chimney just emits white cigarette, both wastes the energy, and environment is polluted again.How to find a kind of effective
Reduction exhaust gas temperature, raising heating efficiency, new direct combustion type lithium bromide absorption cold simple to operate, Hot water units system turn into
One of important topic studied at present.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency there is provided a kind of effectively reduction exhaust gas temperature, raising heating efficiency, grasp
Make the energy-efficient direct-burning type lithium bromide absorption type hot water or cold water machine set system of simple heating.
The object of the present invention is achieved like this：A kind of hot and cold water dispenser of energy-efficient direct-burning type lithium bromide absorption type of heating
System unite, including 2,3,4 ... N platform direct-burning type lithium bromide absorption type hot water or cold water's units, N be ＞ 1 natural number, 2,3,4 ... N
Platform direct-burning type lithium bromide absorption type hot water or cold water's unit is arranged in parallel, and every direct-burning type lithium bromide absorption type hot water or cold water's unit is wrapped
Include direct combustion high pressure generator, low pressure generator, condenser, evaporator, absorber, cryogenic fluid heat exchanger and pyrosol heat
Exchanger, system is provided with a total smoke exhaust pipe, it is characterised in that：The system increases by a device, the device include flue gas heat-exchange unit,
Heating evaporator, heating absorber, heating solution heat exchanger, heating cryogenic fluid pump and water circulating pump, flue gas heat-exchange unit are arranged on
On total smoke exhaust pipe, heating evaporator and heating absorber are arranged in same cavity, and are placed on higher than evaporator and absorber
The position of part, hot water line all the way is set up on hot water or cold water's inlet tube of system, and this road hot water evaporates with the N platforms in parallel that enter
The hot water of device is in parallel, and the road hot water enters in heating absorber heat exchanging pipe, and sets heating hot water to switch on the hot water line
Valve, the hot water or cold water outlet for going out heating absorber hot water access system；In any of which platform direct-burning type lithium bromide absorption type of system
Weak solution pipeline all the way is set up on the solution pump discharge pipe of hot water or cold water's unit, this road weak solution is with entering this direct combustion type bromination
The weak solution of the direct combustion high pressure generator of lithium-absorbing formula hot water or cold water's unit is in parallel, and the road weak solution is through heating solution heat exchanger
Cooling enters heating absorber spray, and sets dilute in heating weak solution switching valve, heating absorber on the weak solution pipeline
Solution is changed into the lower weak solution of concentration after absorbing cryogenic coolant steam, by height level pressure difference through heating solution heat exchanger liter
Temperature enters the absorber cylinder body bottom of this direct-burning type lithium bromide absorption type hot water or cold water's unit；This direct combustion type lithium bromide absorption
Cryogenic coolant water supplement pipeline all the way is set up in the evaporator liquid capsule of formula hot water or cold water's unit, the road water as refrigerant evaporates into heating
Device liquid capsule is used as cryogenic coolant water moisturizing；Heating cryogenic fluid pump extracts cryogenic coolant water in heating evaporator liquid capsule out spray and arrives heating
Evaporator heat exchange pipe surface, absorption flows through heat-transfer pipe interior circulation hydro-thermal amount, is vaporizated into cryogenic coolant steam；Recirculated water is releasing heat
Temperature is reduced after amount, and recirculated water is squeezed into flue gas heat-exchange unit and being summarised in that N platform direct combustion high pressure generators come out by water circulating pump
Flue gas heat exchange together, circulating water temperature rise, which enters in heating heat exchange pipe of evaporator, to be continued to heat cryogenic coolant water, flue gas heat
Discharged after measuring recovered temperature reduction.
The beneficial effects of the invention are as follows：
The present invention creates low-temperature receiver one lower than smog discharge temperature, has not only reclaimed flue gas by above-mentioned flow
Sensible heat, also reclaimed the latent heat of water vapour in flue gas, exhaust gas temperature is down to normal temperature, heating efficiency is greatly improved.For example：System
Heating hot water outlet temperature is taken at 60 DEG C or so, heating evaporator and heating absorber cavity internal pressure in 25mmHg or so,
Circulating water temperature into flue gas heat-exchange unit is at 27 DEG C or so, and the exhaust gas temperature of system is reduced to less than 35 DEG C, with conventional direct combustion
155 DEG C of type machine set system exhaust gas temperature is compared, the heat of condensation of water vapour in the sensible heat and flue gas of many 120 DEG C of temperature difference of recovered flue gas,
Combustion natural gas direct combustion type machine set system energy utilization rate improves 13% or so than ever, and heating efficiency reaches 106% or so.System
In the case of total heating capacity is constant, fuel consumption is greatly decreased, and reduces operating cost, has reached energy-efficient purpose, simultaneously
The phenomenon that winter heating chimney emits white cigarette is prevented, has reduced thermal pollution of the smoke evacuation to environment, protect environment.And system operatio
Simply.
Brief description of the drawings
Fig. 1 is conventional two direct-burning type lithium bromide absorption type hot water or cold water's machine set system heat supply schematic flow sheets of A, B.
Fig. 2 is conventional tri- direct-burning type lithium bromide absorption type hot water or cold water's machine set system heat supply schematic flow sheets of A, B, C.
The energy-efficient direct-burning type lithium bromide absorption type hot water or cold water machine set system heat supply stream of Fig. 3 two heating of A, B of the present invention
Journey schematic diagram.
The energy-efficient direct-burning type lithium bromide absorption type hot water or cold water machine set system heat supply of Fig. 4 tri- heating of A, B, C of the present invention
Schematic flow sheet.
Reference：
Direct-burning type lithium bromide absorption type hot water or cold water's unit A
Direct-burning type lithium bromide absorption type hot water or cold water's B of Unit
Direct-burning type lithium bromide absorption type hot water or cold water's unit C
Direct combustion high pressure generator 1
High-temperature solution heat exchanger 2
Cryogenic fluid heat exchanger 3
Absorber 4
Evaporator 5
Solution pump 6
Cryogenic fluid pump 7
Condenser 8
Low pressure generator 9
Heating concentrated solution switching valve 10
Heating refrigerant vapour switching valve 11
Solution pump discharge pipe 12
Absorber cylinder body bottom 13
Evaporator liquid capsule 14
Hot water or cold water's inlet tube 15
Hot water or cold water's outlet 16
Flue gas heat-exchange unit 17
Heating absorber 19
Heating heat exchanger 20
Heating cryogenic fluid pump 21
Heating weak solution switching valve 22
Cryogenic coolant water supplements pipe 23
Heating hot water switching valve 24
Water circulating pump 25
Heating evaporator 26
Heating evaporator liquid capsule 27
Total smoke exhaust pipe 28.
Embodiment
As shown in Figure 3 and Figure 4, the present invention relates to a kind of hot and cold water dispenser of the energy-efficient direct-burning type lithium bromide absorption type of heating
System unite, including 2,3,4 ... N platform direct-burning type lithium bromide absorption type hot water or cold water's units, N be ＞ 1 natural number, 2,3,4 ... N
Platform direct-burning type lithium bromide absorption type hot water or cold water's unit is arranged in parallel, and every direct-burning type lithium bromide absorption type hot water or cold water's unit is wrapped
Include direct combustion high pressure generator 1, low pressure generator 9, condenser 8, evaporator 5, absorber 4, cryogenic fluid heat exchanger 3 and high temperature
Solution heat exchanger 2, system is provided with a total smoke exhaust pipe 28, and the system increases by a device, the device include flue gas heat-exchange unit 17,
Heating evaporator 26, heating absorber 19, heating solution heat exchanger 20, heating cryogenic fluid pump 21 and water circulating pump 25, flue gas is changed
Hot device 17 is arranged on total smoke exhaust pipe 28, and heating evaporator 26 and heating absorber 19 are arranged in same cavity, and are placed on
Higher than the position of evaporator 5 and the part of absorber 4, hot water line all the way is set up on hot water or cold water's inlet tube 15 of system, this road
Hot water and the water in parallel for entering N platforms evaporator 5 are in parallel, and the road hot water enters in the heat exchanger tube of heating absorber 19, and in the hot water
Heating hot water switching valve 24 is set on pipeline, the hot water or cold water outlet for going out the hot water access system of heating absorber 19；In its of system
In direct-burning type lithium bromide absorption type hot water or cold water's unit solution pump discharge pipe 12 on set up weak solution pipeline all the way, this road
The weak solution of direct combustion high pressure generator 1 of the weak solution with entering this direct-burning type lithium bromide absorption type hot water or cold water's unit is in parallel, should
Road weak solution enters heating absorber 19 through the cooling of heating solution heat exchanger 20 and sprayed, and sets and adopt on the weak solution pipeline
Weak solution is changed into the lower weak solution of concentration after absorbing cryogenic coolant steam in warm weak solution switching valve 22, heating absorber 19,
Heated up by height level pressure difference through heating solution heat exchanger 20 into this direct-burning type lithium bromide absorption type hot water or cold water's unit
Absorber cylinder body bottom 13；Set up low all the way in the evaporator liquid capsule 14 of this direct-burning type lithium bromide absorption type hot water or cold water's unit
Warm water as refrigerant supplements pipeline, and the road water as refrigerant is used as cryogenic coolant water moisturizing into heating evaporator liquid capsule 27；Heating cryogenic fluid pump
21, which extract cryogenic coolant water in heating evaporator liquid capsule 27 out spray, arrives the heat exchanger tube surface vaporization of heating evaporator 26.Water circulating pump
25 squeeze into recirculated water after flue gas heat-exchange unit 17 heats up into heat release in the heat exchanger tube of heating evaporator 26.Flue gas heat recovered temperature
Discharged after reduction.
When heating operating mode is run, conventional heating circulation process is still normally run, cryogenic fluid pump 7 and external system cooling water pump
Stop, heating concentrated solution switching valve 10 and heating refrigerant vapour switching valve 11 are opened, and solution pump 6 starts, and the heating newly established is dilute
Solution switching valve 22 and heating hot water switching valve 24 are opened, heating cryogenic fluid pump 21 and water circulating pump 25 start.A machine therefrom
Group solution pump discharge weak solution is divided into two tunnels, and weak solution is concentrated into this direct combustion high pressure generator 1 all the way, another road weak solution
Enter heating absorber 19 through the cooling of heating solution heat exchanger 20 to spray；The low-temperature water heating come from heating user is divided into 2,3,
4th ... N+1 roads, wherein in the N roads hot water parallel connection entrance heat exchanger tube of evaporator 5, are added by heat exchange pipe external surface direct combustion high pressure generator 1
The heat of condensation heating for the high temperature refrigerant vapour that hot weak solution is produced, another N+1 roads low-temperature water heating enters the heat exchanger tube of heating absorber 19
It is interior, sprayed and absorbed in heat exchange pipe external surface weak solution from the heating of the cryogenic coolant steam liberated heat of heating evaporator 26,
2nd, 3,4 ... N+1 roads hot water temperature rise, which is merged together, is sent to heating user, direct combustion high pressure generator 1 concentrate after it is dense molten
Liquid, which enters to mix with the water as refrigerant overflowed after the condensation of evaporator 5 in absorber 4, becomes weak solution, weak solution in heating absorber 19
It is changed into the lower weak solution of concentration after absorbing cryogenic coolant steam, is heated up by height level pressure difference through heating solution heat exchanger 20
Mixed into absorber cylinder body bottom 13 with weak solution in absorber 4, solution pump 6 will wherein weak solution be sent to direct combustion high pressure all the way
Generator 1 is circulated and heated again concentration, and another road weak solution is sent to after heating solution heat exchanger 20 cools and entered
Heating absorber 19 circulates and absorbed cryogenic coolant steam again.Heating cryogenic fluid pump 21 is by low temperature cold in heating evaporator liquid capsule 27
Agent water is extracted out and sprayed in the heat exchange pipe surface of heating evaporator 26, and absorption flows through heat-transfer pipe interior circulation hydro-thermal amount and is vaporizated into low temperature cold
Agent steam, recirculated water temperature after heat is released is reduced, and it is straight that recirculated water is squeezed into flue gas heat-exchange unit 17 and N platforms by water circulating pump 25
The flue gas heat exchange collected together that combustion high pressure generator 1 comes out, circulating water temperature rise enters heating evaporator 26 and continues to add
Hot cryogenic coolant water, is discharged after the reduction of flue gas heat recovered temperature.Solution continuous absorption cryogenic coolant in heating absorber 19
Steam makes cavity internal pressure be maintained at certain value, and vaporization absorption process is with regard to constantly progress.The water as refrigerant moisturizing of heating evaporator 26 is leaned on
Pressure differential between evaporator 5 and the cavity of heating evaporator 26 enters heating from evaporator liquid capsule 14 through cryogenic coolant water supplement pipe 23
Evaporator liquid capsule 27, constantly gives the moisturizing of heating evaporator 26.
When cooling condition is run, by heating concentrated solution switching valve 10, heating refrigerant vapour switching valve 11, heating weak solution
Switching valve 22, the Close All of heating hot water switching valve 24, heating cryogenic fluid pump 21 and water circulating pump 25 stop, flue gas heat-exchange unit 17,
Heating evaporator 26, heating absorber 19 and heating solution heat exchanger 20 stop circulation, and unit still presses conventional kind of refrigeration cycle
Process flow operation.
Heating evaporator 26 and the housing of heating absorber 19 can be independently arranged in above scheme, can also evaporate heating
Device 26 and heating absorber 19 are set in any of which platform low pressure generator 9 in systems and the housing of condenser 8, are used between them
Dividing plate is separated, and heating evaporator 26 and heating absorber 19 are in same cavity, and low pressure generator 9 and condenser 8 are in same chamber
In vivo.
It can be single hop that above scheme, which is applied to evaporator 5, absorber 4,（Shown in figure）, can also be two sections or multistage,
Cooling water can be parallel-connection flow（Shown in figure）It can also be serial flow.
Claims (4)
1. a kind of energy-efficient direct-burning type lithium bromide absorption type hot water or cold water machine set system of heating, including N platform direct combustion types lithium bromide are inhaled
Receipts formula hot water or cold water's unit, N is ＞ 1 natural number, and N platform direct-burning type lithium bromide absorption type hot water or cold water's units are arranged in parallel, every
Direct-burning type lithium bromide absorption type hot water or cold water unit includes direct combustion high pressure generator（1）, low pressure generator（9）, condenser（8）、
Evaporator（5）, absorber（4）, cryogenic fluid heat exchanger（3）And high-temperature solution heat exchanger（2）, system is provided with a total smoke evacuation
Pipe（28）, it is characterised in that：The system increases by a device, and the device includes flue gas heat-exchange unit（17）, heating evaporator（26）、
Heating absorber（19）, heating solution heat exchanger（20）, heating cryogenic fluid pump（21）And water circulating pump（25）, flue gas heat-exchange unit
（17）It is arranged on total smoke exhaust pipe（28）On, heating evaporator（26）With heating absorber（19）It is arranged in same cavity, and puts
Put higher than evaporator（5）And absorber（4）The position of part, in hot water or cold water's inlet tube of system（15）On set up hot all the way
Water lines, this road hot water and the hot water in parallel for entering N platform evaporators are in parallel, and the road hot water enters heating absorber（19）Heat exchanger tube
It is interior, and the setting heating hot water switching valve on the hot water line（24）, go out heating absorber（19）Hot water access system it is hot and cold
Water out；In the solution pump discharge pipe of any of which platform direct-burning type lithium bromide absorption type hot water or cold water's unit of system（12）It is upper to increase
If weak solution pipeline all the way, this road weak solution and the direct combustion high pressure for entering this direct-burning type lithium bromide absorption type hot water or cold water's unit
Generator（1）Weak solution it is in parallel, the road weak solution is through heating solution heat exchanger（20）Cooling enters heating absorber（19）
Spray, and the setting heating weak solution switching valve on the weak solution pipeline（22）, heating absorber（19）Interior weak solution absorbs low
It is changed into the lower weak solution of concentration after warm refrigerant vapour, by height level pressure difference through heating solution heat exchanger（20）Heating enters
The absorber cylinder body bottom of this direct-burning type lithium bromide absorption type hot water or cold water's unit（13）；This direct-burning type lithium bromide absorption type
The evaporator liquid capsule of hot water or cold water's unit（14）On set up all the way cryogenic coolant water supplement pipeline（23）, the road water as refrigerant, which enters, to be adopted
Warm evaporator liquid capsule（27）It is used as cryogenic coolant water moisturizing；Heating cryogenic fluid pump（21）By heating evaporator liquid capsule（27）Interior low temperature cold
Agent water extracts spray out and arrives heating evaporator（26）Heat exchanger tube surface vaporization；Water circulating pump（25）Recirculated water is squeezed into flue gas heat-exchange unit
（17）Enter heating evaporator after heating（26）Heat release in heat exchanger tube.
2. the energy-efficient direct-burning type lithium bromide absorption type hot water or cold water machine set system of a kind of heating according to claim 1, its
It is characterised by：The unit heating evaporator（26）With heating absorber（19）Housing is independently arranged, or by heating evaporator
（26）With heating absorber（19）It is arranged on any of which platform unit in N platform direct-burning type lithium bromide absorption type hot water or cold water's units
Low pressure generator（9）And condenser（8）Separated in housing, between them with dividing plate, heating evaporator（26）With heating absorber
（19）It is arranged in same cavity, low pressure generator（9）And condenser（8）It is arranged in same cavity.
3. the energy-efficient direct-burning type lithium bromide absorption type hot water or cold water machine system of a kind of heating according to claim 1 or 2
System, it is characterised in that：The evaporator of the unit（5）And absorber（4）It is single hop, two sections or multistage.
4. the energy-efficient direct-burning type lithium bromide absorption type hot water or cold water machine system of a kind of heating according to claim 1 or 2
System, it is characterised in that：The cooling water of the unit is parallel-connection flow or serial flow.
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| CN201510985458.1A CN105466069B (en) | 2015-12-25 | 2015-12-25 | A kind of energy-efficient direct-burning type lithium bromide absorption type hot water or cold water machine set system of heating |
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|---|---|---|---|
| CN201510985458.1A CN105466069B (en) | 2015-12-25 | 2015-12-25 | A kind of energy-efficient direct-burning type lithium bromide absorption type hot water or cold water machine set system of heating |
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| CN105466069B true CN105466069B (en) | 2017-09-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107178927B (en) * | 2017-06-22 | 2023-01-10 | 江苏科技大学海洋装备研究院 | BOG utilization system of LNG power ship and working method |
| CN108489142B (en) * | 2018-04-09 | 2024-03-22 | 双良节能系统股份有限公司 | Environment-friendly efficient direct-fired lithium bromide absorption type cold and hot water unit system |
| CN108397931B (en) * | 2018-04-09 | 2023-12-15 | 双良节能系统股份有限公司 | Environment-friendly, efficient and energy-saving direct-fired lithium bromide absorption type cold and hot water unit |
| CN109458755B (en) * | 2018-12-27 | 2024-04-02 | 双良节能系统股份有限公司 | On-line detection density direct-fired lithium bromide absorption type low-temperature water chilling unit |
| CN110307662B (en) * | 2019-07-08 | 2023-12-22 | 双良节能系统股份有限公司 | Lithium bromide absorption unit for direct-fired heat pump and hot water type refrigeration |
| CN115371285B (en) * | 2022-07-20 | 2023-09-15 | 约克（无锡）空调冷冻设备有限公司 | Absorption heat exchange system |
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| US3396549A (en) * | 1967-05-31 | 1968-08-13 | Carrier Corp | Multiple-effect absorption refrigeration systems |
| EP2244039A2 (en) * | 2009-04-24 | 2010-10-27 | Thermax Limited | Chiller-heat pump |
| CN103123181A (en) * | 2012-12-06 | 2013-05-29 | 双良节能系统股份有限公司 | Single-effect and double-effect compound-type lithium bromide absorption refrigerating device with smoke and hot water afterburning |
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