CN103759460B - Two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units - Google Patents
Two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units Download PDFInfo
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- CN103759460B CN103759460B CN201410021935.8A CN201410021935A CN103759460B CN 103759460 B CN103759460 B CN 103759460B CN 201410021935 A CN201410021935 A CN 201410021935A CN 103759460 B CN103759460 B CN 103759460B
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- 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
Abstract
The present invention relates to 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 (13), hot water generator (14), condenser, high-temperature heat exchanger (4), low temperature heat exchanger (3) and single-action heat exchanger (18), the waste heat smoke outlet tube (6) of flue gas type high pressure generator (5) is 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).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 two-period form fume hot-water single-double effect compound type lithium bromide absorption type handpiece Water Chilling Units unit as depicted in figs. 1 and 2 in the past.The evaporimeter of two units comprises single effect evaporator 21 and double effect evaporator 1, absorber comprises single effect absorption device 23 and double-effect absorption device 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, and the waste heat smoke outlet tube 6 of flue gas type high pressure generator 5 is provided with fume hot-water heat exchanger 7.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 runs external cooling, 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 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 operation 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 29(in Fig. 2 unit and be also called 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, and flue gas type high pressure generator, 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 are less than unit for when adding heat needed for refrigeration duty, namely the control system of unit starts burner 28 and runs, for unit provides supplementary heating amount, to meet cooling needs, the flue gas that combustion fuel produces enters air 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 effect absorption device and double-effect absorption device, condenser comprises single-action condenser and purpose double-action condenser, the waste heat smoke outlet tube of flue gas type high pressure generator is 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 be made up 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's smoke solution heat exchanger 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, the lithium-bromide solution lower by temperature and low-temperature flue gas carry out heat exchange, 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 effect absorption device 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 double-effect absorption device cooling water employing serial flow.
Reference numeral in figure:
Double effect evaporator 1, double-effect absorption device 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 effect absorption device 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.
Detailed description of the invention
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 is formed, evaporimeter comprises single effect evaporator 21 and double effect evaporator 1, absorber comprises single effect absorption device 23 and double-effect absorption device 2, condenser comprises single-action condenser 15 and purpose double-action condenser 12, the waste heat smoke outlet tube 6 of flue gas type high pressure generator 5 is 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, and 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, 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 32 through waste heat smoke outlet tube 6; The weak solution exported from single effect absorption device 23 by single-action solution pump 26 enters smoke solution heat exchanger 32 through smoke solution heat exchanger feed tube 33 after single-action heat exchanger 18 heat exchange is warming up to about 70 DEG C, through smoke solution heat exchanger drain pipe 34(hot water generator feed tube 16 after heating up with the further heat exchange of low temperature exhaust heat flue gas) enter hot water generator 14, the temperature of waste heat flue gas then drops to and enter air through waste heat smoke discharge pipe 8 after 95 DEG C.
In unit shown in Fig. 3, set up Direct Fired High Pressure Generator 29 and solution cross over pipe 30 occurred frequently, namely 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, namely 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 (as shown in Fig. 3, Fig. 4, Fig. 5) of unit single effect absorption device and double-effect absorption device, may also be 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 effect absorption device (23) and double-effect absorption device (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 be made up 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: single effect absorption device (23) and double-effect absorption device (2) cooling water flow path of described unit are parallel-connection flow or serial flow.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021935.8A CN103759460B (en) | 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 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410021935.8A CN103759460B (en) | 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 |
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| CN103759460A CN103759460A (en) | 2014-04-30 |
| CN103759460B true CN103759460B (en) | 2015-12-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2560550B2 (en) * | 1991-01-29 | 1996-12-04 | 株式会社日立製作所 | Absorption cooling / heating device and control method thereof |
| 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 |
| JP4901655B2 (en) * | 2007-09-03 | 2012-03-21 | 矢崎総業株式会社 | Absorption chiller / 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 |
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