CN103759459B - Fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit - Google Patents
Fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit Download PDFInfo
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- CN103759459B CN103759459B CN201410021934.3A CN201410021934A CN103759459B CN 103759459 B CN103759459 B CN 103759459B CN 201410021934 A CN201410021934 A CN 201410021934A CN 103759459 B CN103759459 B CN 103759459B
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- pressure generator
- heat exchanger
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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
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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
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Abstract
The present invention relates to a kind of fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit, comprise high pressure generator, evaporimeter (1), absorber (2), compound low pressure generator (20), condenser (23), high-temperature heat exchanger (6) and low temperature heat exchanger (5), compound low pressure generator (20) comprises hot water generator (21) and steam generator (22), smoke solution heat exchanger (36) is provided with in the waste heat smoke outlet tube (12) of high pressure generator, the weak solution drain pipe of low temperature heat exchanger (5) is received on smoke solution heat exchanger (36) as smoke solution heat exchanger feed tube (34), smoke solution heat exchanger drain pipe (35) is received on compound low pressure generator (20) as hot water generator feed tube (18), thermal source hot water inlet pipe (9) is arranged on compound low pressure generator (20).The present invention can make unit can drop to lower by the exhaust temperature of waste heat flue gas when refrigerating operaton and heat supply running.
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
A kind of fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit fume hot-water single-double effect compound type lithium bromide absorption type water chiller-heater unit as depicted in figs. 1 and 2 in the past.The compound low pressure generator 20 of two units is made up of hot water generator 21 and steam generator 22, and hot water generator drain pipe 17 is provided with booster 4, and the waste heat smoke outlet tube 12 of flue gas type high pressure generator 8 is provided with fume hot-water heat exchanger 10.The high-temperature residual heat flue gas that this unit energy utilizes external device (ED) to discharge simultaneously and afterheat hot water (being also called thermal source hot water) drive refrigerating operaton, utilize separately high-temperature residual heat flue gas to drive refrigeration and heating operation, be mainly used in the Distribution of Natural formula energy supplying system of thermal source hot water backwater temperature lower (more than about 80 DEG C).Utilize thermal source hot water and low temperature exhaust heat flue gas from external device (ED)s such as gas engines to carry out heat exchange during unit refrigerating operaton in fume hot-water heat exchanger, recovery low-temperature flue gas heat, can be reduced to about 120 DEG C by waste heat smog discharge temperature.Be configured with Direct Fired High Pressure Generator 31(in Fig. 2 unit and be also called fuel supplementing type high pressure generator), flue gas type high pressure generator 8 and Direct Fired High Pressure Generator are cascaded structure arranged in form, two centres occurred frequently are provided with solution cross over pipe 32 occurred frequently, and flue gas type high pressure generator 8, Direct Fired High Pressure Generator and solution cross over pipe three occurred frequently form split type fuel supplementing type high pressure generator jointly.When the waste heat flue gas heat that external device (ED) provides and hot water heat sum be less than add heat needed for unit cooling (heat supply) load time, namely the control system of unit starts burner 30 and runs, for unit provides supplementary heating amount, to meet cooling (heat supply) demand, the flue gas that combustion fuel produces enters air through afterburning smoke outlet tube 33 and external chimney (not shown) thereof.But there is following weak point in this unit:
1, because of the thermal source hot water temperature from external device (ED)s such as gas engines higher (generally at about 95 DEG C), be difficult to waste heat smog discharge temperature to drop to lower during unit refrigerating operaton, waste heat flue gas heat is not fully recycled.
2, during unit heat supply running, thermal source hot water is generally through external heat exchanger heat exchange, and not into and out of unit, waste heat smog discharge temperature can only be reduced to about 145 DEG C, and waste heat flue gas heat recovery utilization rate during unit heat supply running is lower.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, a kind of fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit is provided, make unit can drop to lower by the exhaust temperature of waste heat flue gas when refrigerating operaton and heat supply running.
The object of the present invention is achieved like this: a kind of fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit, comprise high pressure generator, evaporimeter, absorber, compound low pressure generator, condenser, high-temperature heat exchanger and low temperature heat exchanger, compound low pressure generator comprises hot water generator and steam generator, the waste heat smoke outlet tube of high pressure generator is 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, smoke solution heat exchanger drain pipe is received on compound low pressure generator as hot water generator feed tube, thermal source hot water inlet pipe is arranged on compound low pressure generator.
Fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit of the present invention, hot water generator drain pipe is provided with booster.
Fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit of the present invention, described high pressure generator is flue gas type high pressure generator.
Fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit of the present invention, described high pressure generator comprises flue gas type high pressure generator and Direct Fired High Pressure Generator, or is the split type fuel supplementing type high pressure generator be made up of flue gas type high pressure generator, Direct Fired High Pressure Generator and solution cross over pipe occurred frequently.
Fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit 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:
The present invention's smoke solution heat exchanger replaces the fume hot-water heat exchanger in fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit in the past, the lithium-bromide solution lower by temperature and low-temperature flue gas carry out heat exchange, make unit can drop to lower by the exhaust temperature of waste heat flue gas 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 fume hot-water single-double effect compound type lithium bromide absorption type water chiller-heater unit structural representation in the past.
Fig. 2 is fume hot-water afterburning single-double effect compound type lithium bromide absorption type water chiller-heater unit structural representation in the past.
Fig. 3 is fume hot-water single-double effect compound type lithium bromide absorption type refrigerating unit structure schematic diagram of the present invention.
Fig. 4 is fume hot-water afterburning single-double effect compound type lithium bromide absorption type refrigerating unit structure schematic diagram of the present invention, and fuel supplementing type high pressure generator is split type afterburning structure.
Fig. 5 is fume hot-water afterburning single-double effect compound type lithium bromide absorption type refrigerating unit structure schematic diagram of the present invention, and fuel supplementing type high pressure generator is integral type afterburning structure.
Fig. 6 is the structural representation of the cooling water employing serial flow of fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit of the present invention.
Reference numeral in figure:
Evaporimeter 1, absorber 2, solution transfer valve 3, booster 4, low temperature heat exchanger 5, high-temperature heat exchanger 6, drain pipe 7 occurred frequently, flue gas type high pressure generator 8, thermal source hot water inlet pipe 9, fume hot-water heat exchanger 10, waste heat smoke discharge pipe 11, waste heat smoke outlet tube 12, hot water communicating pipe 13, waste heat flue gas inlet tube 14, refrigerant vapour pipe 15, steam transfer valve 16, hot water generator drain pipe 17, hot water generator feed tube 18, thermal source hot water outlet pipe 19, compound low pressure generator 20, hot water generator 21, steam generator 22, condenser 23, cooling water outlet pipe 24, cold (heat) water outlet pipe 25, cold (heat) water inlet pipe 26, solution pump 27, cryogenic fluid pump 28, cooling water inlet pipe 29, burner 30, Direct Fired High Pressure Generator 31, solution cross over pipe 32 occurred frequently, afterburning smoke outlet tube 33, smoke solution heat exchanger feed tube 34, smoke solution heat exchanger drain pipe 35, smoke solution heat exchanger 36, integral type fuel supplementing type high pressure generator 37.
Detailed description of the invention
The present invention is unit as shown in Figure 3, and this unit is the fume hot-water single-double effect compound type lithium bromide absorption type water chiller-heater unit be made up of the pipeline of flue gas type high pressure generator 8, evaporimeter 1, absorber 2, compound low pressure generator 20, condenser 23, high-temperature heat exchanger 6, low temperature heat exchanger 5, solution pump 27, booster 4, cryogenic fluid pump 28, control system (not shown) and connecting components, valve.Compound low pressure generator 20 is made up of hot water generator 21 and steam generator 22, and the waste heat smoke outlet tube 12 of flue gas type high pressure generator 8 is provided with smoke solution heat exchanger 36, and booster 4 is arranged on hot water generator drain pipe 17; The weak solution drain pipe of low temperature heat exchanger 5 is received on smoke solution heat exchanger 36 as smoke solution heat exchanger feed tube 34, and smoke solution heat exchanger drain pipe 35 is received on compound low pressure generator 20 as hot water generator feed tube 18; Thermal source hot water inlet pipe 9 is arranged on compound low pressure generator 20; Pipeline between drain pipe 7 occurred frequently and absorber 2 is equipped with solution transfer valve 3; Steam transfer valve 16 pipeline between refrigerant vapour pipe 15 and evaporimeter 1 is equipped with.
When unit utilizes separately waste heat flue gas or utilizes waste heat flue gas and hot water heating refrigerating operaton simultaneously, solution transfer valve 3 and steam transfer valve 16 are closed.High-temperature residual heat flue gas from external device (ED)s such as gas engines enters flue gas type high pressure generator 8 through waste heat flue gas inlet tube 14, heating lithium-bromide solution wherein, temperature be reduced to about 170 DEG C become low temperature exhaust heat flue gas after enter smoke solution heat exchanger 36 through waste heat smoke outlet tube 12; The weak solution exported from absorber 2 by solution pump 27 enters smoke solution heat exchanger 36 through smoke solution heat exchanger feed tube 34 after low temperature heat exchanger 5 heat exchange is warming up to about 80 DEG C, through smoke solution heat exchanger drain pipe 35(hot water generator feed tube 18 after heating up with the further heat exchange of low temperature exhaust heat flue gas) enter hot water generator 21, the temperature of waste heat flue gas then drops to and enter air through waste heat smoke discharge pipe 11 after 100 DEG C.
During unit heat supply running, solution transfer valve 3 and steam transfer valve 16 are opened.High-temperature residual heat flue gas from external device (ED)s such as gas engines enters flue gas type high pressure generator 8 through waste heat flue gas inlet tube 14, heating lithium-bromide solution wherein, temperature be reduced to about 145 DEG C become low temperature exhaust heat flue gas after enter smoke solution heat exchanger 36 through waste heat smoke outlet tube 12; The weak solution (temperature is about 95 DEG C) exported from absorber 2 by solution pump 27 enters smoke solution heat exchanger 36 through low temperature heat exchanger 5, smoke solution heat exchanger feed tube 34, through smoke solution heat exchanger drain pipe 35(hot water generator feed tube 18 after heating up with low temperature exhaust heat flue gas heat exchange) enter hot water generator 21, deliver into flue gas type high pressure generator 8 by booster 4 again, the temperature of waste heat flue gas then drops to and enter air through waste heat smoke discharge pipe 11 after 115 DEG C.
In unit shown in Fig. 3, set up Direct Fired High Pressure Generator 31 and solution cross over pipe 32 occurred frequently, namely this unit becomes the fume hot-water afterburning single-double effect compound type lithium bromide absorption type water chiller-heater unit shown in Fig. 4.
With the flue gas type high pressure generator 8 in unit shown in integral type fuel supplementing type high pressure generator 37 alternate figures 3, namely this unit becomes the fume hot-water afterburning single-double effect compound type lithium bromide absorption type water chiller-heater unit shown in Fig. 5.
But the cooling water flow path parallel-connection flow (as shown in Fig. 3, Fig. 4, Fig. 5) of unit, may also be serial flow (as shown in Figure 6).
Cancel solution transfer valve, steam transfer valve and the tube connector thereof in unit shown in Fig. 3 ~ Fig. 6, namely unit becomes fume hot-water (afterburning) the single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units for separate refrigeration.
Claims (6)
1. a fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit, comprise high pressure generator, evaporimeter (1), absorber (2), compound low pressure generator (20), condenser (23), high-temperature heat exchanger (6) and low temperature heat exchanger (5), compound low pressure generator (20) comprises hot water generator (21) and steam generator (22), it is characterized in that: on the waste heat smoke outlet tube (12) of high pressure generator, be provided with smoke solution heat exchanger (36), the weak solution drain pipe of low temperature heat exchanger (5) is received on smoke solution heat exchanger (36) as smoke solution heat exchanger feed tube (34), smoke solution heat exchanger drain pipe (35) is received on compound low pressure generator (20) as hot water generator feed tube (18), thermal source hot water inlet pipe (9) is arranged on compound low pressure generator (20).
2. a kind of fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit according to claim 1, is characterized in that: on hot water generator drain pipe (17), be provided with booster (4).
3. a kind of fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit according to claim 1 and 2, is characterized in that: described high pressure generator is flue gas type high pressure generator (8).
4. a kind of fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit according to claim 1 and 2, it is characterized in that: described high pressure generator comprises flue gas type high pressure generator (8) and Direct Fired High Pressure Generator (31), or the split type fuel supplementing type high pressure generator for being made up of flue gas type high pressure generator (8), Direct Fired High Pressure Generator (31) and solution cross over pipe occurred frequently (32).
5. a kind of fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit according to claim 1 and 2, is characterized in that: described high pressure generator is integral type fuel supplementing type high pressure generator (37).
6. a kind of fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit according to claim 1 and 2, 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 |
|---|---|---|---|
| CN201410021934.3A CN103759459B (en) | 2014-01-18 | 2014-01-18 | Fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021934.3A CN103759459B (en) | 2014-01-18 | 2014-01-18 | Fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit |
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| CN103759459A CN103759459A (en) | 2014-04-30 |
| CN103759459B true CN103759459B (en) | 2015-08-12 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477907A (en) * | 2017-08-15 | 2017-12-15 | 双良节能系统股份有限公司 | Fume hot-water compound type lithium bromide absorption type handpiece Water Chilling Units |
| CN107477908A (en) * | 2017-08-15 | 2017-12-15 | 双良节能系统股份有限公司 | Hot water afterburning single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units |
| CN107477906A (en) * | 2017-08-15 | 2017-12-15 | 双良节能系统股份有限公司 | Fume hot-water single-double effect compound type lithium bromide absorption type refrigeration unit |
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| CN2884057Y (en) * | 2006-03-28 | 2007-03-28 | 大连三洋制冷有限公司 | Lithium bromide absorption type cold/hot water machine using steam/direct combustion of fuel as energy-source |
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Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2005108880A1 (en) * | 2004-05-11 | 2005-11-17 | Cyclect Singapore Pte Ltd | A regenerative adsorption system |
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2014
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1570514A (en) * | 2003-07-23 | 2005-01-26 | 张跃 | Absorption type 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 |
| CN2864508Y (en) * | 2005-12-23 | 2007-01-31 | 江苏双良空调设备股份有限公司 | Lithium bromide absorption refrigeration and heating machine set with flue solution heat exchanger |
| CN2884057Y (en) * | 2006-03-28 | 2007-03-28 | 大连三洋制冷有限公司 | Lithium bromide absorption type cold/hot water machine using steam/direct combustion of fuel as energy-source |
| CN201340134Y (en) * | 2009-01-08 | 2009-11-04 | 江苏双良空调设备股份有限公司 | Smoke hot water type lithium bromide absorption cold water/hot and cold water set having booster pump |
| CN203010995U (en) * | 2012-12-27 | 2013-06-19 | 双良节能系统股份有限公司 | Direct-fired lithium bromide absorption type cold and hot water unit for recovering flue gas waste heat |
| CN203704428U (en) * | 2014-01-18 | 2014-07-09 | 双良节能系统股份有限公司 | Flue gas hot water single-effect or dual-effect composite-type lithium bromide absorption-type cold water and cold hot water unit |
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| CN103759459A (en) | 2014-04-30 |
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