CN103759462A - Smoke lithium bromide absorption refrigerating unit with smoke solution heat exchanger - Google Patents
Smoke lithium bromide absorption refrigerating unit with smoke solution heat exchanger Download PDFInfo
- Publication number
- CN103759462A CN103759462A CN201410021937.7A CN201410021937A CN103759462A CN 103759462 A CN103759462 A CN 103759462A CN 201410021937 A CN201410021937 A CN 201410021937A CN 103759462 A CN103759462 A CN 103759462A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- pressure generator
- high pressure
- smoke
- flue gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 68
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 title claims abstract description 60
- 238000010521 absorption reaction Methods 0.000 title abstract 4
- 239000002918 waste heat Substances 0.000 claims abstract description 25
- 239000006096 absorbing agent Substances 0.000 claims abstract description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 58
- 239000003546 flue gas Substances 0.000 claims description 58
- 229940059936 lithium bromide Drugs 0.000 claims description 23
- 239000000446 fuel Substances 0.000 claims description 16
- 230000001502 supplementing effect Effects 0.000 claims description 15
- 239000000498 cooling water Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000001816 cooling Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
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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
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention relates to a smoke lithium bromide absorption refrigerating unit with a smoke solution heat exchanger. The smoke lithium bromide absorption refrigerating unit comprises a high pressure generator, an evaporator (1), an absorber (2), a low pressure generator (12), a condenser (13), a high-temperature heat exchanger (5), and a low-temperature heat exchanger (4). A waste heat smoke outlet tube (8) of the high pressure generator is provided with a smoke solution heat exchanger (26). A dilute solution outgoing tube of the low-temperature heat exchanger (4), as a smoke solution heat exchanger solution incoming tube (24), is connected to the smoke solution heat exchanger (26); a smoke solution heat exchanger solution outgoing tube (25) is connected to the high-temperature heat exchanger (5). Emission temperature of waste heat smoke from the smoke lithium bromide absorption refrigerating unit can be further lowered both in refrigerating and heating.
Description
Technical field
The present invention relates to a kind of lithium-bromide absorption-type refrigerating machine.Belong to air conditioner technical field.
Background technology
The flue gas type cold/hot water machine of lithium bromide group as depicted in figs. 1 and 2 of flue gas type lithium-bromide absorption-type refrigerating machine group in the past.This unit utilizes the lithium-bromide solution in the high-temperature residual heat flue gas flue gas type high pressure generator 7 of external device (ED) discharge to drive refrigeration (heat) operation, is mainly used in Distribution of Natural formula energy supplying system and industrial furnace smoke waste heat air conditioning system.In Fig. 2 unit, dispose Direct Fired High Pressure Generator 21(and be called again fuel supplementing type high pressure generator), flue gas type high pressure generator and Direct Fired High Pressure Generator are cascaded structure arranged in form, two centres occurred frequently are provided with solution cross over pipe 22 occurred frequently, the split type fuel supplementing type high pressure generator of the common composition of flue gas type high pressure generator, Direct Fired High Pressure Generator and solution cross over pipe three occurred frequently.The waste heat flue gas heat providing when external device (ED) is less than unit cooling (heat supply) and loads required while adding heat, the control system of unit starts burner 20 and moves, for unit provides supplementary heating amount, to meet cooling (heat supply) demand, the flue gas that combustion fuel produces enters atmosphere through afterburning smoke outlet tube 23 and external chimney (not shown) thereof.During this unit (or the weak point of this unit is) refrigerating operaton, waste heat smog discharge temperature is about 170 ℃, and during heating operation, waste heat smog discharge temperature is about 145 ℃, and waste heat flue gas heat is not fully recycled.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, a kind of flue gas type lithium-bromide absorption-type refrigerating machine group with smoke solution heat exchanger is provided, make unit can the exhaust temperature of waste heat flue gas be dropped to lower when refrigerating operaton and heat supply running.
The object of the present invention is achieved like this: a kind of flue gas type lithium-bromide absorption-type refrigerating machine group with smoke solution heat exchanger, comprise high pressure generator, evaporimeter, absorber, low pressure generator, condenser, high-temperature heat exchanger and low temperature heat exchanger, on the waste heat smoke outlet tube of high pressure generator, be provided with smoke solution heat exchanger; The weak solution drain pipe of low temperature heat exchanger is received on smoke solution heat exchanger as smoke solution heat exchanger feed tube, and smoke solution heat exchanger drain pipe is received on high-temperature heat exchanger.
The flue gas type lithium-bromide absorption-type refrigerating machine group of band smoke solution heat exchanger of the present invention, described high pressure generator is flue gas type high pressure generator.
The flue gas type lithium-bromide absorption-type refrigerating machine group of band smoke solution heat exchanger of the present invention, described high pressure generator comprises flue gas type high pressure generator and Direct Fired High Pressure Generator, or described high pressure generator is the split type fuel supplementing type high pressure generator being comprised of flue gas type high pressure generator, Direct Fired High Pressure Generator and solution cross over pipe occurred frequently.
The flue gas type lithium-bromide absorption-type refrigerating machine group of band smoke solution heat exchanger of the present invention, described high pressure generator is integral type fuel supplementing type high pressure generator.
The invention has the beneficial effects as follows:
On the waste heat smoke outlet tube of the present invention by the flue gas type lithium-bromide absorption-type refrigerating machine group in the past, set up smoke solution heat exchanger, carry out heat exchange with the lower lithium-bromide solution of temperature and low temperature exhaust heat flue gas, make unit can the exhaust temperature of waste heat flue gas be dropped to lower when refrigerating operaton and heat supply running, waste heat flue gas heat is fully recycled, and comprehensive utilization of energy rate is further enhanced.
Accompanying drawing explanation
Fig. 1 is flue gas type cold/hot water machine of lithium bromide group structural representation in the past.
Fig. 2 is flue gas fuel supplementing type cold/hot water machine of lithium bromide group structural representation in the past.
Fig. 3 is the flue gas type lithium-bromide absorption-type refrigerating machine group structural representation of band smoke solution heat exchanger of the present invention.
Fig. 4 is the flue gas fuel supplementing type lithium-bromide absorption-type refrigerating machine group structural representation of band smoke solution heat exchanger of the present invention, and fuel supplementing type high pressure generator is split type afterburning structure.
Fig. 5 is the flue gas fuel supplementing type lithium-bromide absorption-type refrigerating machine group structural representation of band smoke solution heat exchanger of the present invention, and fuel supplementing type high pressure generator is integral type afterburning structure.
Fig. 6 is the structural representation that the cooling water of the flue gas type lithium-bromide absorption-type refrigerating machine group of band smoke solution heat exchanger of the present invention adopts serial flow.
Reference numeral in figure:
Evaporimeter 1, absorber 2, liquid transfer valve 3, low temperature heat exchanger 4, high-temperature heat exchanger 5, drain pipe 6 occurred frequently, flue gas type high pressure generator 7, waste heat smoke outlet tube 8, waste heat flue gas inlet tube 9, refrigerant vapour pipe 10, steam transfer valve 11, low pressure generator 12, condenser 13, cooling water outlet pipe 14, cold (heat) water outlet pipe 15, cold (heat) water inlet pipe 16, solution pump 17, cryogenic fluid pump 18, cooling water inlet pipe 19, burner 20, Direct Fired High Pressure Generator 21, solution cross over pipe 22 occurred frequently, afterburning smoke outlet tube 23, smoke solution heat exchanger feed tube 24, smoke solution heat exchanger drain pipe 25, smoke solution heat exchanger 26, waste heat smoke discharge pipe 27, integral type fuel supplementing type high pressure generator 28.
The specific embodiment
The present invention is unit as shown in Figure 3, and this unit is the flue gas type cold/hot water machine of lithium bromide group with smoke solution heat exchanger consisting of pipeline, the valve of flue gas type high pressure generator 7, evaporimeter 1, absorber 2, low pressure generator 12, condenser 13, high-temperature heat exchanger 5, low temperature heat exchanger 4, solution pump 17, cryogenic fluid pump 18, control system (not shown) and connecting components.On the waste heat smoke outlet tube 8 of flue gas type high pressure generator 7, be provided with smoke solution heat exchanger 26; The weak solution drain pipe of low temperature heat exchanger 4 is received on smoke solution heat exchanger 26 as smoke solution heat exchanger feed tube 24, and smoke solution heat exchanger drain pipe 25 is received on high-temperature heat exchanger 5; On the pipeline between drain pipe 6 occurred frequently and absorber 2, solution transfer valve 3 is housed; On the pipeline between refrigerant vapour pipe 10 and evaporimeter 1, steam transfer valve 11 is housed.
During unit refrigerating operaton, solution transfer valve 3 and steam transfer valve 11 are closed.High-temperature residual heat flue gas from external device (ED)s such as gas engines enters flue gas type high pressure generator 7 through waste heat flue gas inlet tube 9, and lithium-bromide solution, temperature wherein of heating is reduced to approximately 170 ℃ and through waste heat smoke outlet tube 8, enters smoke solution heat exchanger 26 after becoming low temperature exhaust heat flue gas; By solution pump 17, from the weak solution of output absorber 2, after being warming up to approximately 80 ℃, low temperature heat exchanger 4 heat exchange enter smoke solution heat exchanger 26 through smoke solution heat exchanger feed tube 24, after heating up with the further heat exchange of low temperature exhaust heat flue gas, through smoke solution heat exchanger drain pipe 25, enter high-temperature heat exchanger 5, the temperature of waste heat flue gas drops to after 100 ℃ and enters atmosphere through waste heat smoke discharge pipe 27.
During unit heat supply running, solution transfer valve 3 and steam transfer valve 11 are opened.High-temperature residual heat flue gas from external device (ED)s such as gas engines enters flue gas type high pressure generator 7 through waste heat flue gas inlet tube 9, and lithium-bromide solution, temperature wherein of heating is reduced to approximately 145 ℃ and through waste heat smoke outlet tube 8, enters smoke solution heat exchanger 26 after becoming low temperature exhaust heat flue gas; The weak solution (temperature is about 95 ℃) of being exported from absorber 2 by solution pump 17 enters smoke solution heat exchanger 26 through low temperature heat exchanger 4, smoke solution heat exchanger feed tube 24, after heating up with the further heat exchange of low temperature exhaust heat flue gas, through smoke solution heat exchanger drain pipe 25, enter high-temperature heat exchanger 5, the temperature of waste heat flue gas drops to after 115 ℃ and enters atmosphere through waste heat smoke discharge pipe 27.
In unit shown in Fig. 3, set up Direct Fired High Pressure Generator 21 and solution cross over pipe 22 occurred frequently, this unit becomes the flue gas fuel supplementing type cold/hot water machine of lithium bromide group with smoke solution heat exchanger shown in Fig. 4.
With the flue gas type high pressure generator 7 in unit shown in integral type fuel supplementing type high pressure generator 28 alternate figures 3, this unit becomes the flue gas fuel supplementing type cold/hot water machine of lithium bromide group with smoke solution heat exchanger shown in Fig. 5.
But the cooling water flow path parallel-connection flow of unit (as shown in Fig. 3, Fig. 4, Fig. 5), also serial flow (as shown in Figure 6).
Cancel solution transfer valve, steam transfer valve and tube connector thereof in unit shown in Fig. 3～Fig. 6, unit becomes the flue gas with smoke solution heat exchanger (afterburning) the type lithium bromide adsorption water chilling unit for separate refrigeration.
Claims (5)
1. the flue gas type lithium-bromide absorption-type refrigerating machine group with smoke solution heat exchanger, comprise high pressure generator, evaporimeter (1), absorber (2), low pressure generator (12), condenser (13), high-temperature heat exchanger (5) and low temperature heat exchanger (4), it is characterized in that: on the waste heat smoke outlet tube (8) of high pressure generator (7), be provided with smoke solution heat exchanger (26); It is upper that the weak solution drain pipe of low temperature heat exchanger (4) is received smoke solution heat exchanger (26) as smoke solution heat exchanger feed tube (24), and smoke solution heat exchanger drain pipe (25) is received on high-temperature heat exchanger (5).
2. a kind of flue gas type lithium-bromide absorption-type refrigerating machine group with smoke solution heat exchanger according to claim 1, is characterized in that: described high pressure generator is flue gas type high pressure generator (7).
3. a kind of flue gas type lithium-bromide absorption-type refrigerating machine group with smoke solution heat exchanger according to claim 1, it is characterized in that: described high pressure generator comprises flue gas type high pressure generator (7) and Direct Fired High Pressure Generator (21), or described high pressure generator is the split type fuel supplementing type high pressure generator being comprised of flue gas type high pressure generator (7), Direct Fired High Pressure Generator (21) and solution cross over pipe occurred frequently (22).
4. a kind of flue gas type lithium-bromide absorption-type refrigerating machine group with smoke solution heat exchanger according to claim 1, is characterized in that: described high pressure generator is integral type fuel supplementing type high pressure generator (28).
5. a kind of flue gas type lithium-bromide absorption-type refrigerating machine group with smoke solution heat exchanger according to claim 1, is characterized in that: the cooling water flow path of described unit is parallel-connection flow or serial flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021937.7A CN103759462B (en) | 2014-01-18 | 2014-01-18 | With the flue gas type lithium bromide absorption refrigerating set of smoke solution heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021937.7A CN103759462B (en) | 2014-01-18 | 2014-01-18 | With the flue gas type lithium bromide absorption refrigerating set of smoke solution heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103759462A true CN103759462A (en) | 2014-04-30 |
| CN103759462B CN103759462B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410021937.7A Active CN103759462B (en) | 2014-01-18 | 2014-01-18 | With the flue gas type lithium bromide absorption refrigerating set of smoke solution heat exchanger |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423595A (en) * | 2015-12-25 | 2016-03-23 | 双良节能系统股份有限公司 | Heating efficient energy-saving direct combustion type lithium bromide absorbing type cold and hot water unit |
| CN105423594A (en) * | 2015-12-25 | 2016-03-23 | 双良节能系统股份有限公司 | Heating normal-temperature smoke discharge smoke hot water type lithium bromide absorbing type cold and hot water unit |
| CN105423593A (en) * | 2015-12-25 | 2016-03-23 | 双良节能系统股份有限公司 | Heating normal-temperature smoke exhaust direct combustion type lithium bromide absorbing type cold and hot water unit |
| CN105423596A (en) * | 2015-12-25 | 2016-03-23 | 双良节能系统股份有限公司 | Heating efficient smoke type lithium bromide absorbing type cold and hot water unit |
| CN105444464A (en) * | 2015-12-25 | 2016-03-30 | 双良节能系统股份有限公司 | Smoke-type lithium bromide absorption type water chiller-heater unit for heating and normal temperature smoke exhaust |
| CN105509365A (en) * | 2015-12-25 | 2016-04-20 | 双良节能系统股份有限公司 | Efficient heating smoke water-heating type lithium bromide absorption type water chiller-heater unit |
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| US5259202A (en) * | 1991-01-29 | 1993-11-09 | Hitachi, Ltd. | Absorption air-conditioning system |
| CN2677832Y (en) * | 2003-11-14 | 2005-02-09 | 江苏双良空调设备股份有限公司 | Residual-heat double-action lithium bromide absorption hot-cold water machine set |
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| JP2009058207A (en) * | 2007-09-03 | 2009-03-19 | Yazaki Corp | Absorption chiller / heater |
| CN202420021U (en) * | 2011-12-24 | 2012-09-05 | 双良节能系统股份有限公司 | Two-generator flue gas afterburning lithium bromide absorbing cold water and cold and hot water unit |
| CN203704430U (en) * | 2014-01-18 | 2014-07-09 | 双良节能系统股份有限公司 | Smoke-type lithium bromide absorption refrigerating unit with smoke-solution heat exchanger |
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2014
- 2014-01-18 CN CN201410021937.7A patent/CN103759462B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5259202A (en) * | 1991-01-29 | 1993-11-09 | Hitachi, Ltd. | Absorption air-conditioning system |
| CN2677832Y (en) * | 2003-11-14 | 2005-02-09 | 江苏双良空调设备股份有限公司 | Residual-heat double-action lithium bromide absorption hot-cold water machine set |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423595A (en) * | 2015-12-25 | 2016-03-23 | 双良节能系统股份有限公司 | Heating efficient energy-saving direct combustion type lithium bromide absorbing type cold and hot water unit |
| CN105423594A (en) * | 2015-12-25 | 2016-03-23 | 双良节能系统股份有限公司 | Heating normal-temperature smoke discharge smoke hot water type lithium bromide absorbing type cold and hot water unit |
| CN105423593A (en) * | 2015-12-25 | 2016-03-23 | 双良节能系统股份有限公司 | Heating normal-temperature smoke exhaust direct combustion type lithium bromide absorbing type cold and hot water unit |
| CN105423596A (en) * | 2015-12-25 | 2016-03-23 | 双良节能系统股份有限公司 | Heating efficient smoke type lithium bromide absorbing type cold and hot water unit |
| CN105444464A (en) * | 2015-12-25 | 2016-03-30 | 双良节能系统股份有限公司 | Smoke-type lithium bromide absorption type water chiller-heater unit for heating and normal temperature smoke exhaust |
| CN105509365A (en) * | 2015-12-25 | 2016-04-20 | 双良节能系统股份有限公司 | Efficient heating smoke water-heating type lithium bromide absorption type water chiller-heater unit |
| CN105423594B (en) * | 2015-12-25 | 2017-09-08 | 双良节能系统股份有限公司 | Fume hot-water type lithium bromide absorption cold, the Hot water units of heating normal temperature smoke evacuation |
| CN105423593B (en) * | 2015-12-25 | 2017-09-08 | 双良节能系统股份有限公司 | Heating normal temperature smoke evacuation direct-burning type lithium bromide absorption type hot water or cold water's unit |
| CN105423595B (en) * | 2015-12-25 | 2017-09-08 | 双良节能系统股份有限公司 | A kind of energy-efficient direct-burning type lithium bromide absorption type hot water or cold water unit of heating |
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| CN103759462B (en) | 2015-12-16 |
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