CN208635370U - A kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold, Hot water units - Google Patents
A kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold, Hot water units Download PDFInfo
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- CN208635370U CN208635370U CN201820490392.8U CN201820490392U CN208635370U CN 208635370 U CN208635370 U CN 208635370U CN 201820490392 U CN201820490392 U CN 201820490392U CN 208635370 U CN208635370 U CN 208635370U
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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 utility model relates to a kind of environment-friendly high-efficiency flue gas type lithium bromide absorption colds, Hot water units, flue gas heat-exchange unit (18) are first arranged on flue gas high pressure generator (1) smoke exhaust pipe in the unit, but be additionally arranged smoke solution heat exchanger (29) and into smoke solution heat exchanger weak solution pipeline (30), go out smoke solution heat exchanger weak solution pipeline (31).When cooling condition is run, weak solution enters smoke solution heat exchanger Mist heat recovering, and flue gas release thermal temperature discharges after reducing.When heating operating condition is run, the low-temperature circulating water of heating evaporator enters flue gas heat-exchange unit Mist heat recovering, and weak solution enters smoke solution heat exchanger heating room temperature flue gas, and the smoke absorption thermal temperature after relative humidity reduction discharges after increasing.The utility model chimney can be used conventional material without particular/special requirement, white cigarette can be effectively eliminated while recovered flue gas heat, promote whole system comprehensive utilization of energy rate, reduce thermal pollution and protect environment.
Description
Technical field
The utility model relates to a kind of flue gas type lithium bromide absorption colds, Hot water units.Belong to air conditioner technical field.
Background technique
Flue gas type lithium bromide absorption cold, Hot water units be within the external device (ED)s discharge such as fuel engine power generation unit high temperature cigarette
Gas is as driving heat source, and water is refrigerant, lithium bromide water solution is absorbent, alternately or simultaneously produces sky under vacuum conditions
The equipment of controlled atmosphere section or technique cold water, hot water.Common flue gas type lithium bromide absorption cold, Hot water units are as shown in Figure 1, by cigarette
Gas high pressure generator 1, low pressure generator 9, condenser 8, evaporator 5, absorber 4, cryogenic fluid heat exchanger 3, pyrosol
Heat exchanger 2, heating concentrated solution switching valve 10, heating refrigerant vapour switching valve 11, solution pump 6, cryogenic fluid pump 7, valve and control
The pipeline of system (not shown) and connecting components is constituted.When unit cooling condition is run, exhaust gas temperature is on 170 DEG C of left sides
It is right；For unit when heating operating condition is run, if heating water outlet temperature is at 60 DEG C, flue gas high pressure generator exhaust gas temperature is 145
DEG C or so, winter outdoor temperature is low, and chimney just emits white cigarette, not only waste of energy, but also pollution environment.
There are also a kind of heating high effective flue gas type lithium bromide absorption cold, Hot water units as shown in Fig. 2, it is in common flue gas
On the basis of type lithium bromide absorption cold, Hot water units such as Fig. 1, flue gas heat-exchange unit 18, heating evaporator 27, heating absorption are increased
Device 20, heating heat exchanger 21, heating cryogenic fluid pump 22, water circulating pump 26 and switch valve and the pipeline of connecting components etc..Machine
When group cooling condition operation, exhaust gas temperature is identical as common unit still at 170 DEG C or so；Unit is when heating operating condition is run, such as
For heating water outlet temperature at 60 DEG C, exhaust gas temperature can be down to room temperature at 35 DEG C hereinafter, whole system Integrated Energy benefit can be improved
With rate.But winter outdoor temperature is low, and room temperature exhaust gas temperature is lower than the dew-point temperature of flue gas, lime set precipitation is still had in chimney,
Conventional carbon steel chimney can be corroded by lime set, this just gives chimney material to propose special requirement, and chimney need to use corrosion resistant material
Matter production, cost of investment increase.How to find a kind of chimney can be used conventional material without particular/special requirement, white cigarette can be effectively eliminated
While recovered flue gas heat, improve whole system comprehensive utilization of energy rate environment-friendly high-efficiency flue gas type lithium bromide absorption cold,
Hot water units become one of the important topic studied at present.
Utility model content
Conventional material can be used purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of chimney to want without special
Recovered flue gas heat while asking, white cigarette can be effectively eliminated, the environment-friendly high-efficiency cigarette for improving whole system comprehensive utilization of energy rate
Gas type lithium bromide absorption cold, Hot water units.
Purpose of the utility model is realized as follows: a kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold, hot water machine
Group, including flue gas high pressure generator, low pressure generator, condenser, evaporator, absorber, cryogenic fluid heat exchanger, high temperature are molten
Liquid heat exchanger, solution pump, cryogenic fluid pump, flue gas heat-exchange unit, heating evaporator, heating absorber, heating heat exchanger, heating are cold
Agent pump and water circulating pump, flue gas heat-exchange unit is first arranged on flue gas high pressure generator smoke exhaust pipe in the unit, and is additionally arranged flue gas
Solution heat exchanger and into smoke solution heat exchanger weak solution pipeline, go out smoke solution heat exchanger weak solution pipeline.From flue gas high pressure
The flue gas that generator comes out, is introduced into flue gas heat-exchange unit, discharges after entering back into smoke solution heat exchanger.
It is described to be arranged between solution pump discharge and smoke solution heat exchanger into smoke solution heat exchanger weak solution pipeline, out
Smoke solution heat exchanger weak solution pipeline is arranged between smoke solution heat exchanger and flue gas high pressure generator, exports from solution pump
Separate part weak solution enter smoke solution heat exchanger heating or cooling, out after enter flue gas high pressure generator be concentrated.
Described be arranged into smoke solution heat exchanger weak solution pipeline is changed in cryogenic fluid heat exchanger outlet with smoke solution
Between hot device, smoke solution heat exchanger weak solution pipeline is arranged between smoke solution heat exchanger and flue gas high pressure generator out,
From cryogenic fluid heat exchanger outlet separate part weak solution enter smoke solution heat exchanger heating or cooling, out after enter cigarette
The concentration of gas high pressure generator.
Described be arranged into smoke solution heat exchanger weak solution pipeline is changed in cryogenic fluid heat exchanger outlet with smoke solution
Between hot device, smoke solution heat exchanger weak solution pipeline is arranged in smoke solution heat exchanger and high-temperature solution heat exchanger import out
Between, the weak solution come out from cryogenic fluid heat exchanger fully enters the heating of smoke solution heat exchanger or cooling, rear complete out
Portion enters high-temperature solution heat exchanger heating, enters back into the concentration of flue gas high pressure generator.
The evaporator and absorber of the unit are single hop, two sections or multistage.
The cooling water of the unit is parallel-connection flow or serial flow.
And newly increase smoke solution heat exchanger weak solution pipeline has into smoke solution heat exchanger weak solution pipeline and out
Three kinds of connection types are able to achieve purpose:
The first separates part weak solution from solution pump outlet and enters smoke solution heat exchanger, this part weak solution comes out
Enter flue gas high pressure generator afterwards.
Second, part weak solution is separated from cryogenic fluid heat exchanger outlet and enters smoke solution heat exchanger, this part
Weak solution enters flue gas high pressure generator after coming out.
The third, the weak solution come out from cryogenic fluid heat exchanger fully enters smoke solution heat exchanger, and weak solution goes out
High-temperature solution heat exchanger is fully entered after coming, enters back into flue gas high pressure generator.
The beneficial effects of the utility model are:
The utility model is by above-mentioned unit and process, when cooling condition is run, by smoke solution heat exchanger with being lower than
The weak solution Mist heat recovering of flue-gas temperature improves unit refrigeration performance；When heating operating condition is run, used by flue gas heat-exchange unit
Own system generates the flue gas heat exchange come out far below the low-temperature circulating water and flue gas high pressure generator of flue gas saturation temperature, recycling
The latent heat of sensible heat and part water vapour in flue gas after generating effect on moisture extraction while recovered flue gas heat, then passes through flue gas
Solution heat exchanger uses the weak solution higher than flue-gas temperature to flue gas, and the flue gas relative humidity discharged in this way reduces and temperature is high
In flue gas dew point temperature, unit thoroughly eliminates chimney while improving heating performance and emits white cigarette phenomenon, reduces the same of thermal pollution
When protect environment, be precipitated since flue gas does not have lime set in chimney, conventional material can be used without special in the material of chimney
It is required that.Water vapour accounting is bigger in driving heat source flue gas, and the heat of condensation of recycling is more, and whole system comprehensive utilization of energy rate is just
It is higher.The utility model unit operation is simple.
Detailed description of the invention
Fig. 1 is previous flue gas type lithium bromide absorption cold, Hot water units heat supply flow diagram.
Fig. 2 is a kind of heating high effective flue gas type lithium bromide absorption cold, Hot water units heat supply flow diagram.
Fig. 3 is a kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold of the utility model, Hot water units heating process signal
Scheme (first way).
Fig. 4 is a kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold of the utility model, Hot water units heating process signal
Scheme (second way).
Fig. 5 is a kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold of the utility model, Hot water units heating process signal
Scheme (the third mode).
Appended drawing reference:
Flue gas 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 18
Heating absorber 20
Heating heat exchanger 21
Heating cryogenic fluid pump 22
Heating weak solution switching valve 23
Cryogenic coolant water supplements pipeline 24
Heating hot water switching valve 25
Water circulating pump 26
Heating evaporator 27
Heating evaporator liquid capsule 28
Smoke solution heat exchanger 29
Into smoke solution heat exchanger weak solution pipeline 30
Smoke solution heat exchanger weak solution pipeline 31 out.
Specific embodiment
A kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold, Hot water units of the utility model are adopted in such as Fig. 2 one kind
On the basis of warm high effective flue gas type lithium bromide absorption cold, Hot water units, it is additionally arranged smoke solution heat exchanger 29 and into smoke solution
Heat exchanger weak solution pipeline 30 goes out smoke solution heat exchanger weak solution pipeline 31, and the smoke solution heat exchanger 29 added is arranged in
On 18 smoke exhaust pipe of flue gas heat-exchange unit, the flue gas come out from flue gas high pressure generator 1 is introduced into flue gas heat-exchange unit 18, enters back into cigarette
It is discharged after gasoloid heat exchanger 29.And into the smoke solution heat exchanger weak solution pipeline 30 and out smoke solution newly increased exchanges heat
Device weak solution pipeline 31 is able to achieve purpose there are three types of connection type:
The first (such as Fig. 3), newly increase into smoke solution heat exchanger weak solution pipeline 30 setting solution pump 6 outlet with
Between smoke solution heat exchanger 29, smoke solution heat exchanger weak solution pipeline 31 is arranged in smoke solution heat exchanger 29 and flue gas out
Between high pressure generator 1, part weak solution is separated from the outlet of solution pump 6 and enters smoke solution heat exchanger 29, this part weak solution
Enter flue gas high pressure generator 1 after out；
Second (such as Fig. 4), what is newly increased hands over into the setting of smoke solution heat exchanger weak solution pipeline 30 in cryogenic fluid heat
Between the outlet of parallel operation 3 and smoke solution heat exchanger 29, the setting of smoke solution heat exchanger weak solution pipeline 31 out is changed in smoke solution
Between hot device 29 and flue gas high pressure generator 1, part weak solution is separated from the outlet of cryogenic fluid heat exchanger 3 and enters smoke solution
Heat exchanger 29, this part weak solution enter flue gas high pressure generator 1 after coming out；
The third (such as Fig. 5), what is newly increased hands over into the setting of smoke solution heat exchanger weak solution pipeline 30 in cryogenic fluid heat
Between the outlet of parallel operation 3 and smoke solution heat exchanger 29, the setting of smoke solution heat exchanger weak solution pipeline 31 out is changed in smoke solution
Between 2 import of hot device 29 and high-temperature solution heat exchanger, the weak solution come out from cryogenic fluid heat exchanger 3 fully enters flue gas
Solution heat exchanger 29, out after fully enter high-temperature solution heat exchanger 2, enter back into flue gas high pressure generator 1.
In cooling condition operation, by heating concentrated solution switching valve 10, heating refrigerant vapour switching valve 11, heating weak solution
Switching valve 23, heating hot water switching valve 25 are all closed, and heating cryogenic fluid pump 22 and water circulating pump 26 stop, heating evaporator 27,
Heating absorber 20 and heating heat exchanger 21 stop circulation, and previous refrigeration cycle process still operates normally, from flue gas high pressure
It is constant that the flue gas that generator 1 comes out first passes through 18 flue-gas temperature of flue gas heat-exchange unit, enters back into smoke solution heat exchanger 29 and is lower than
The weak solution of flue-gas temperature exchanges heat, and flue gas release thermal temperature is reduced to 100 DEG C or so discharges.With exhaust gas temperature at 170 DEG C
Flue gas type unit is compared, and the waste heat of 70 DEG C of temperature difference of flue gas has been recycled more, and refrigeration performance greatly improves.
In the operation of heating operating condition, cryogenic fluid pump 7 and external system cooling water pump stop, and heating concentrated solution switching valve 10 and adopt
Warm refrigerant vapour switching valve 11 is opened, and solution pump 6 starts, and heating weak solution switching valve 23 and heating hot water switching valve 25 are opened,
Heating cryogenic fluid pump 22 and water circulating pump 26 start, and previous heating circulation process still operates normally, goes out from flue gas high pressure generator 1
The flue gas come is introduced into the low-temperature circulating water far below flue gas saturation temperature that flue gas heat-exchange unit 18 and own system generate and exchanges heat,
The latent heat of sensible heat and part water vapour in recovered flue gas enters back into after generating effect on moisture extraction while recovered flue gas heat
Smoke solution heat exchanger 29 exchanges heat with the weak solution for being higher than flue-gas temperature, and room temperature flue-gas temperature is increased to 85 DEG C or so discharges, this
When the flue gas relative humidity discharged reduce and temperature is higher than the dew-point temperature of flue gas, unit is thorough while improving heating performance
It eliminates chimney and emits white cigarette phenomenon, protect environment while reducing thermal pollution, be precipitated since flue gas does not have lime set in chimney,
Conventional material can be used without particular/special requirement in the material of chimney.
The low-temperature circulating water far below flue gas saturation temperature that own system generates in the operation of heating operating condition is from adopting
It is that low-temperature circulating water is squeezed into flue gas heat-exchange unit 18, low-temperature circulating water recycling by water circulating pump 26 in warm 27 heat exchanger tube of evaporator
Enter in 27 heat exchanger tube of heating evaporator after fume afterheat heating, heating cryogenic fluid pump 22 is by low temperature cold in heating evaporator liquid capsule 28
Agent water is extracted out and is sprayed in 27 heat exchange pipe external surface of heating evaporator, and the absorption of cryogenic coolant water flows through recirculated water heat in heat-transfer pipe
It is vaporizated into cryogenic coolant steam, recirculated water temperature after releasing heat reduces.Cryogenic coolant steam is sprayed in heating absorber
Solution outside 20 heat exchanger tubes absorbs, and solution absorbs the part that the heat that cryogenic coolant steam is released is come by heating user in heat exchanger tube
Low-temperature water heating is taken away, and the solution continuous absorption refrigerant vapour in heating absorber 20 makes cavity internal pressure be maintained at certain value, vapour
Change absorption process constantly to carry out, just produces low-temperature circulating water.The 27 water as refrigerant moisturizing of heating evaporator is evaporated by evaporator 5 and heating
Pressure difference between 27 cavity of device enters heating evaporator liquid capsule 28 through cryogenic coolant water supplement pipeline 24 from evaporator liquid capsule 14, no
Disconnected gives 27 moisturizing of heating evaporator.It is lower dilute to become concentration after weak solution absorption cryogenic coolant steam in heating absorber 20
Solution enters weak solution in absorber cylinder body bottom 13 and absorber 4 through the heating of heating heat exchanger 21 by height level pressure difference
Mixing, then by solution pump 6 weak solution is sent to heating absorber 20 respectively and sprays, be sent to the concentration of flue gas high pressure generator 1, be sent to
Heat exchange in the smoke solution heat exchanger 29 newly established.
Above scheme is suitable for evaporator 5, absorber 4 can be single hop (as shown in the figure), be also possible to two sections or multistage,
Cooling water can be parallel-connection flow (as shown in the figure) and be also possible to serial flow.
Claims (6)
1. a kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold, Hot water units, including flue gas high pressure generator (1), low pressure hair
Raw device (9), condenser (8), evaporator (5), absorber (4), cryogenic fluid heat exchanger (3), high-temperature solution heat exchanger
(2), solution pump (6), cryogenic fluid pump (7), flue gas heat-exchange unit (18), heating evaporator (27), heating absorber (20), heating heat are handed over
Parallel operation (21), heating cryogenic fluid pump (22) and water circulating pump (26), it is characterised in that: the unit is in flue gas high pressure generator (1)
Flue gas heat-exchange unit (18) are first set on smoke exhaust pipe, and are additionally arranged smoke solution heat exchanger (29) and dilute molten into smoke solution heat exchanger
Liquid pipeline (30) goes out smoke solution heat exchanger weak solution pipeline (31)；The flue gas come out from flue gas high pressure generator (1), it is advanced
Enter flue gas heat-exchange unit (18), enters back into smoke solution heat exchanger (29) and discharge afterwards.
2. a kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold according to claim 1, Hot water units, feature exist
In: it is described to be exported and smoke solution heat exchanger (29) into smoke solution heat exchanger weak solution pipeline (30) setting in solution pump (6)
Between, smoke solution heat exchanger weak solution pipeline (31) is arranged in smoke solution heat exchanger (29) and flue gas high pressure generator out
(1) between, from solution pump (6) outlet separate part weak solution enter smoke solution heat exchanger (29) heating or cooling, out after
It is concentrated into flue gas high pressure generator (1).
3. a kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold according to claim 1, Hot water units, feature exist
In: it is described to be arranged into smoke solution heat exchanger weak solution pipeline (30) in cryogenic fluid heat exchanger (3) outlet and smoke solution
Between heat exchanger (29), smoke solution heat exchanger weak solution pipeline (31) setting is high in smoke solution heat exchanger (29) and flue gas out
It presses between generator (1), separates part weak solution from cryogenic fluid heat exchanger (3) outlet and enter smoke solution heat exchanger (29)
Heating or cooling, out after enter flue gas high pressure generator (1) be concentrated.
4. a kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold according to claim 1, Hot water units, feature exist
In: it is described to be arranged into smoke solution heat exchanger weak solution pipeline (30) in cryogenic fluid heat exchanger (3) outlet and smoke solution
Between heat exchanger (29), smoke solution heat exchanger weak solution pipeline (31) setting is molten in smoke solution heat exchanger (29) and high temperature out
Between liquid heat exchanger (2) import, the weak solution come out from cryogenic fluid heat exchanger (3) fully enters smoke solution heat exchanger
(29) heat up or cool down, out after fully enter high-temperature solution heat exchanger (2) heating, enter back into flue gas high pressure generator (1)
Concentration.
5. a kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold, Hot water units described in one of -4 according to claim 1, special
Sign is: the evaporator (5) and absorber (4) of the unit are single hop, two sections or multistage.
6. a kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold, Hot water units described in one of -4 according to claim 1, special
Sign is: the cooling water of the unit is parallel-connection flow or serial flow.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820490392.8U CN208635370U (en) | 2018-04-09 | 2018-04-09 | A kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold, Hot water units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820490392.8U CN208635370U (en) | 2018-04-09 | 2018-04-09 | A kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold, Hot water units |
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| Publication Number | Publication Date |
|---|---|
| CN208635370U true CN208635370U (en) | 2019-03-22 |
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ID=65731576
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820490392.8U Active CN208635370U (en) | 2018-04-09 | 2018-04-09 | A kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold, Hot water units |
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| CN (1) | CN208635370U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362034A (en) * | 2018-04-09 | 2018-08-03 | 双良节能系统股份有限公司 | A kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold, Hot water units |
| CN112097416A (en) * | 2020-08-31 | 2020-12-18 | 天津大学 | Novel gas air source absorption heat pump system with flue gas waste heat recovery function |
-
2018
- 2018-04-09 CN CN201820490392.8U patent/CN208635370U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362034A (en) * | 2018-04-09 | 2018-08-03 | 双良节能系统股份有限公司 | A kind of environment-friendly high-efficiency flue gas type lithium bromide absorption cold, Hot water units |
| CN108362034B (en) * | 2018-04-09 | 2024-03-08 | 双良节能系统股份有限公司 | Environment-friendly and efficient smoke type lithium bromide absorption type cold and hot water unit |
| CN112097416A (en) * | 2020-08-31 | 2020-12-18 | 天津大学 | Novel gas air source absorption heat pump system with flue gas waste heat recovery function |
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