CN103759460A - Two-section smoke hot water single-dual effect composite lithium bromide absorption water chilling unit - Google Patents

Two-section smoke hot water single-dual effect composite lithium bromide absorption water chilling unit Download PDF

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Publication number
CN103759460A
CN103759460A CN201410021935.8A CN201410021935A CN103759460A CN 103759460 A CN103759460 A CN 103759460A CN 201410021935 A CN201410021935 A CN 201410021935A CN 103759460 A CN103759460 A CN 103759460A
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heat exchanger
high pressure
pressure generator
generator
hot water
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CN201410021935.8A
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CN103759460B (en
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张长江
毛洪财
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Shuangliang Eco Energy Systems Co Ltd
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Shuangliang Eco Energy Systems Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62Absorption based systems

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Abstract

The invention relates to a two-section smoke hot water single-dual effect composite lithium bromide absorption water chilling unit which comprises a high pressure generator, an evaporator, an absorber, a steam generator (13), a hot water generator (14), a condenser, a high-temperature heat exchanger (4), a low-temperature heat exchanger (3) and a single-effect heat exchanger (18). A smoke solution heat exchanger (32) is disposed on the waste heat smoke outlet pipe (6) of the smoke high pressure generator (5). The dilute solution outlet pipe of the single-effect heat exchanger (18) serves as a smoke solution heat exchanger liquid inlet pipe (33) and is connected to the smoke solution heat exchanger (32). A smoke solution heat exchanger liquid outlet pipe (34) serves as a hot water generator liquid inlet pipe (16) and is connected to the hot water generator (14). A heat source hot water inlet pipe (9) is arranged on the hot water generator (14). The two-section smoke hot water single-dual effect composite lithium bromide absorption water chilling unit is capable of lowering the waste heat smoke discharge temperature during refrigerating operation and heating operation of the unit.

Description

Two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units
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 unit as depicted in figs. 1 and 2 of a kind of two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units in the past.The evaporimeter of two units comprises single effect evaporator 21 and double effect evaporator 1, absorber comprises single-action absorber 23 and economic benefits and social benefits absorber 2, condenser comprises single-action condenser 15 and economic benefits and social benefits condenser device 12, solution pump comprises single-action solution pump 26 and economic benefits and social benefits solution pump 25, on the waste heat smoke outlet tube 6 of flue gas type high pressure generator 5, is provided with fume hot-water heat exchanger 7.This unit energy utilizes the high-temperature residual heat flue gas of external device (ED) discharge and waste heat hot water (being called again thermal source hot water) to drive the external cooling of operation simultaneously, is mainly used in the Distribution of Natural formula energy supplying system of thermal source hot water backwater temperature very low (generally lower than 80 ℃).During unit operation, utilize and in fume hot-water heat exchanger, carry out heat exchange from thermal source hot water and the low temperature exhaust heat flue gas of the external device (ED)s such as gas engine, reclaim low-temperature flue gas heat, waste heat smog discharge temperature can be reduced to approximately 120 ℃.In Fig. 2 unit, dispose Direct Fired High Pressure Generator 29(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 30 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.When the waste heat flue gas heat providing when external device (ED) and hot water heat sum are less than unit and add heat for refrigeration duty is required, the control system of unit starts burner 28 and moves, for unit provides supplementary heating amount, to meet cooling demand, the flue gas that combustion fuel produces enters atmosphere through afterburning smoke outlet tube 31 and external chimney (not shown) thereof.But the waste heat smog discharge temperature of this unit is higher, 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 two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units is provided, make the waste heat smog discharge temperature of unit drop to lower.
The object of the present invention is achieved like this: a kind of two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units, comprise high pressure generator, evaporimeter, absorber, steam generator, hot water generator, condenser, high-temperature heat exchanger, low temperature heat exchanger and single-action heat exchanger, described evaporimeter comprises single effect evaporator and double effect evaporator, absorber comprises single-action absorber and economic benefits and social benefits absorber, condenser comprises single-action condenser and purpose double-action condenser, on the waste heat smoke outlet tube of flue gas type high pressure generator, be provided with smoke solution heat exchanger, the weak solution drain pipe of single-action 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 hot water generator as hot water generator feed tube, thermal source hot water inlet pipe be arranged on hot water generator.
Two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units of the present invention, described high pressure generator is flue gas type high pressure generator.
Two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units 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.
Two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units 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 replaces the fume hot-water heat exchanger in two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units in the past with smoke solution heat exchanger, carry out heat exchange with the lower lithium-bromide solution of temperature and low-temperature flue gas, waste heat smog discharge temperature is dropped to lower, waste heat flue gas heat is fully recycled, and comprehensive utilization of energy rate is further enhanced.
Accompanying drawing explanation
Fig. 1 is two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units structural representation in the past.
Fig. 2 is two-period form fume hot-water afterburning single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units structural representation in the past.
Fig. 3 is two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units structural representation of the present invention.
Fig. 4 is two-period form fume hot-water afterburning single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units structural representation of the present invention, and fuel supplementing type high pressure generator is split type afterburning structure.
Fig. 5 is two-period form fume hot-water afterburning single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units structural representation of the present invention, and fuel supplementing type high pressure generator is integral type afterburning structure.
Fig. 6 is the single-action absorber of two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units of the present invention and the structural representation of economic benefits and social benefits absorber cooling water employing serial flow.
Reference numeral in figure:
Double effect evaporator 1, economic benefits and social benefits absorber 2, low temperature heat exchanger 3, high-temperature heat exchanger 4, flue gas type high pressure generator 5, waste heat smoke outlet tube 6, fume hot-water heat exchanger 7, waste heat smoke discharge pipe 8, thermal source hot water inlet pipe 9, waste heat flue gas inlet tube 10, hot water communicating pipe 11, purpose double-action condenser 12, steam generator 13, hot water generator 14, single-action condenser 15, hot water generator feed tube 16, thermal source hot water outlet pipe 17, single-action heat exchanger 18, cooling water outlet pipe 19, cooling water outlet pipe 20, single effect evaporator 21, cold water inlet tube 22, single-action absorber 23, cryogenic fluid pump 24, economic benefits and social benefits solution pump 25, single-action solution pump 26, cooling water inlet pipe 27, burner 28, Direct Fired High Pressure Generator 29, solution cross over pipe 30 occurred frequently, afterburning smoke outlet tube 31, smoke solution heat exchanger 32, smoke solution heat exchanger feed tube 33, smoke solution heat exchanger drain pipe 34, integral type fuel supplementing type high pressure generator 35.
The specific embodiment
The present invention is unit as shown in Figure 3, and this unit is by flue gas type high pressure generator 5, evaporimeter, absorber, steam generator 13, hot water generator 14, condenser, high-temperature heat exchanger 4, low temperature heat exchanger 3, single-action heat exchanger 18, single-action solution pump 26, economic benefits and social benefits solution pump 25, cryogenic fluid pump 24, the pipeline of control system (not shown) and connecting components, the two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units that valve forms, evaporimeter comprises single effect evaporator 21 and double effect evaporator 1, absorber comprises single-action absorber 23 and economic benefits and social benefits absorber 2, condenser comprises single-action condenser 15 and purpose double-action condenser 12, on the waste heat smoke outlet tube 6 of flue gas type high pressure generator 5, be provided with smoke solution heat exchanger 32, the weak solution drain pipe of single-action heat exchanger 18 is received on smoke solution heat exchanger 32 as smoke solution heat exchanger feed tube 33, smoke solution heat exchanger drain pipe 34 is received on hot water generator 14 as hot water generator feed tube 16, thermal source hot water inlet pipe 9 is arranged on hot water generator 14.
When unit utilizes waste heat flue gas and hot water heating refrigerating operaton simultaneously, high-temperature residual heat flue gas from external device (ED)s such as gas engines enters flue gas type high pressure generator 5 through waste heat flue gas inlet tube 10, and lithium-bromide solution, temperature wherein of heating is reduced to approximately 170 ℃ and through waste heat smoke outlet tube 6, enters smoke solution heat exchanger 32 after becoming low temperature exhaust heat flue gas; By single-action solution pump 26, from the weak solution of output single-action absorber 23, after being warming up to approximately 70 ℃, 18 heat exchange of single-action heat exchanger enter smoke solution heat exchanger 32 through smoke solution heat exchanger feed tube 33, after heating up with the further heat exchange of low temperature exhaust heat flue gas through smoke solution heat exchanger drain pipe 34(hot water generator feed tube 16) enter hot water generator 14, the temperature of waste heat flue gas drops to after 95 ℃ and enters atmosphere through waste heat smoke discharge pipe 8.
In unit shown in Fig. 3, set up Direct Fired High Pressure Generator 29 and solution cross over pipe 30 occurred frequently, this unit becomes the two-period form fume hot-water afterburning single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units shown in Fig. 4.
With the flue gas type high pressure generator 5 in unit shown in integral type fuel supplementing type high pressure generator 35 alternate figures 3, this unit becomes the two-period form fume hot-water afterburning single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units shown in Fig. 5.
But the cooling water flow path parallel-connection flow of unit single-action absorber and economic benefits and social benefits absorber (as shown in Fig. 3, Fig. 4, Fig. 5), also serial flow (as shown in Figure 6).

Claims (5)

1. a two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units, comprise high pressure generator, evaporimeter, absorber, steam generator (13), hot water generator (14), condenser, high-temperature heat exchanger (4), low temperature heat exchanger (3) and single-action heat exchanger (18), described evaporimeter comprises single effect evaporator (21) and double effect evaporator (1), absorber comprises single-action absorber (23) and economic benefits and social benefits absorber (2), condenser comprises single-action condenser (15) and purpose double-action condenser (12), it is characterized in that: on the waste heat smoke outlet tube (6) of flue gas type high pressure generator (5), be provided with smoke solution heat exchanger (32), the weak solution drain pipe of single-action heat exchanger (18) is received on smoke solution heat exchanger (32) as smoke solution heat exchanger feed tube (33), smoke solution heat exchanger drain pipe (34) is received on hot water generator (14) as hot water generator feed tube (16), thermal source hot water inlet pipe (9) is arranged on hot water generator (14).
2. a kind of two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units according to claim 1, is characterized in that: described high pressure generator is flue gas type high pressure generator (5).
3. a kind of two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units according to claim 1, it is characterized in that: described high pressure generator comprises flue gas type high pressure generator (5) and Direct Fired High Pressure Generator (29), or described high pressure generator is the split type fuel supplementing type high pressure generator being comprised of flue gas type high pressure generator (5), Direct Fired High Pressure Generator (29) and solution cross over pipe occurred frequently (30).
4. a kind of two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units according to claim 1, is characterized in that: described high pressure generator is integral type fuel supplementing type high pressure generator (35).
5. a kind of two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units according to claim 1, is characterized in that: the single-action absorber (23) of described unit and economic benefits and social benefits absorber (2) cooling water flow path are parallel-connection flow or serial flow.
CN201410021935.8A 2014-01-18 2014-01-18 Two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units Active CN103759460B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107843024A (en) * 2017-12-05 2018-03-27 中国华电科工集团有限公司 Fume hot-water plate changes integrated fume hot water lithium bromide chiller and its control method
CN108518887A (en) * 2018-04-25 2018-09-11 双良节能系统股份有限公司 Direct combustion dual effect type lithium bromide absorption type heat pump unit with flue gas heat-exchange unit

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5259202A (en) * 1991-01-29 1993-11-09 Hitachi, Ltd. Absorption air-conditioning system
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
JP2009058207A (en) * 2007-09-03 2009-03-19 Yazaki Corp Absorption water cooler/heater
CN102914080A (en) * 2012-10-27 2013-02-06 双良节能系统股份有限公司 Two-stage single-effect and double-effect lithium bromide absorption refrigerating unit with smoke and hot water afterburning
CN203704427U (en) * 2014-01-18 2014-07-09 双良节能系统股份有限公司 Two-section type flue gas hot water single effect and double effect combined type lithium bromide absorption type water chilling unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5259202A (en) * 1991-01-29 1993-11-09 Hitachi, Ltd. Absorption air-conditioning system
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
JP2009058207A (en) * 2007-09-03 2009-03-19 Yazaki Corp Absorption water cooler/heater
CN102914080A (en) * 2012-10-27 2013-02-06 双良节能系统股份有限公司 Two-stage single-effect and double-effect lithium bromide absorption refrigerating unit with smoke and hot water afterburning
CN203704427U (en) * 2014-01-18 2014-07-09 双良节能系统股份有限公司 Two-section type flue gas hot water single effect and double effect combined type lithium bromide absorption type water chilling unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107843024A (en) * 2017-12-05 2018-03-27 中国华电科工集团有限公司 Fume hot-water plate changes integrated fume hot water lithium bromide chiller and its control method
CN108518887A (en) * 2018-04-25 2018-09-11 双良节能系统股份有限公司 Direct combustion dual effect type lithium bromide absorption type heat pump unit with flue gas heat-exchange unit

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