CN101526283A - Fume hot-water single-double effect compound type lithium bromide absorption type cold water and cold-hot water unit - Google Patents
Fume hot-water single-double effect compound type lithium bromide absorption type cold water and cold-hot water unit Download PDFInfo
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- CN101526283A CN101526283A CN200910028094A CN200910028094A CN101526283A CN 101526283 A CN101526283 A CN 101526283A CN 200910028094 A CN200910028094 A CN 200910028094A CN 200910028094 A CN200910028094 A CN 200910028094A CN 101526283 A CN101526283 A CN 101526283A
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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 invention relates to a fume hot-water single-double effect compound type lithium bromide absorption type cold water and cold-hot water unit which comprises a high pressure generator (7), an evaporator (22), an absorber (1), a low pressure generator, a condenser (21), a solution heat exchanger, a solution pump and a cryogenic fluid pump (24), wherein the low pressure generator comprises a hot-water generator (15) and a vapour generator (17); a hot-water heat exchange tube bundle (18) and a vapour heat exchange tube bundle (19) are arranged in a same cylinder body (20), and a splitter plate (16) is arranged between the hot-water heat exchange tube bundle (18) and the vapour heat exchange tube bundle (19); the solution heat exchanger comprises a high-temperature heat exchanger (6), a low-temperature heat exchanger (4) and a single-effect solution heat exchanger (5); the solution pump comprises a single-effect solution pump (23) and a double-effect solution pump (25), and the single-effect solution pump (23) and the single-effect solution heat exchanger (5) are arranged on a connecting pipeline positioned between the absorber (1) and the hot-water generator (15) to form a single-effect solution circulation process system. The hot-water direct-fired single-double effect compound type lithium bromide absorption type cold water and cold-hot water unit enables the single-effect solution circulating load and the double-effect solution circulating load to be nicely matched with heating load.
Description
(1) technical field
The present invention relates to a kind of lithium bromide absorption cold water, hot and cold water unit.Belong to air conditioner technical field.
(2) background technology
Flue gas type lithium bromide absorption cold and hot water unit in the past as shown in Figure 1, this unit is made up of flue gas type high pressure generator 7, evaporimeter 22, absorber 1, low pressure generator 29, condenser 21, high-temperature heat exchanger 6, low temperature heat exchanger 4, control system (not shown) and the pipeline, the valve that connect each parts.Flue gas type lithium bromide absorption cold and hot water unit can only drive operation with external device (ED) discharged flue gas waste heat.
In the past fume hot-water type lithium bromide absorption cold and hot water unit such as Fig. 2, shown in Figure 3, be provided with weak solution cross over pipe 32 between the compound low pressure generator 35 of two units and the low temperature heat exchanger 4, solution transfer valve 3 is housed on the pipe, make unit can utilize the smoke discharging residual heat and the hot water heat drive refrigerating operaton of external device (ED) simultaneously, utilize the fume afterheat amount to drive separately and freeze and heating operation.Fig. 3 high pressure generator that unit is joined is the fuel supplementing type high pressure generator, when the smoke discharging residual heat amount of external device (ED) and hot water heat sum add heat less than the unit air conditioner load is required, the control system of unit promptly starts burner 28 operations, for unit provides additional heat, with cooling (heat supply) requirement of satisfying air-conditioning.But there are following weak point in Fig. 2, Fig. 3 unit:
1, the pressure because of high pressure generator is bigger with the variation of heating load occurred frequently, and the aperture of solution transfer valve 3 is constant, when unit utilizes fume afterheat (and afterburning heat) and hot water heat heating operation simultaneously, be difficult to realize the weak solution amount distribution that enters compound low pressure generator and enter high pressure generator and the matched well between the heating load;
When 2, unit utilizes hot water heat heating operation separately, the part weak solution can enter high pressure generator, and be back to absorber through intermediate solution liquid distributor 36, a steam heat-exchanging tube bank 19 and the low drain pipe 31 of sending out, form useless circulation, even enter condenser 21 through refrigerant vapour pipe 12, cause refrigerant pollution.Therefore, Fig. 2, Fig. 3 unit can not be used for utilizing separately hot water heat heating operation.
(3) summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, provide a kind of unit that makes can utilize fume afterheat, (afterburning heat) and hot water heat drive to carry out refrigerating operaton at the same time or separately, utilize fume afterheat (with or the afterburning heat) drive fume hot-water single-double effect compound type lithium bromide absorption type cold water, the hot and cold water unit carry out heating operation.
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 cold water, hot and cold water unit, comprise high pressure generator, evaporimeter, absorber, low pressure generator, condenser, solution heat exchanger, solution pump, cryogenic fluid pump, reach the pipeline and the valve that connect each parts, be characterized in:
Described low pressure generator comprises hot water generator and steam generator, and the hot water heat-exchanging tube bundle of described hot water generator and the tube bank of the steam heat-exchanging of steam generator are arranged in the same cylindrical shell, is provided with demarcation strip between hot water heat-exchanging tube bundle and the steam heat-exchanging tube bank,
Described solution heat exchanger comprises high-temperature heat exchanger, low temperature heat exchanger and single-action solution heat exchanger,
Described solution pump comprises single-action solution pump and economic benefits and social benefits solution pump,
Described single-action solution pump and single-action solution heat exchanger are arranged on the connecting line between absorber and the hot water generator, form single-action solution circulation flow journey system; Described economic benefits and social benefits solution pump, low temperature heat exchanger and high-temperature heat exchanger are arranged on the connecting line between absorber, high pressure generator and the steam generator, form economic benefits and social benefits solution circulation flow journey system, so just formed single-double effect compound type solution circulation flow journey system
The present invention is on flue gas type lithium bromide absorption cold and hot water basis in the past, by setting up single-action solution pump, single-action solution heat exchanger and hot water generator, form the single-action solution recycle system, make unit can utilize fume afterheat, (afterburning heat) and hot water heat drive to carry out refrigerating operaton at the same time or separately, utilize fume afterheat (with or the afterburning heat) drive and to carry out heating operation.When unit utilizes fume afterheat, (afterburning heat) and hot water heat drive refrigerating operaton simultaneously, be easy to carry out the solution internal circulating load and distribute with the coupling that adds between the heat complementation and control.
(4) description of drawings
Fig. 1 is a flue gas type lithium bromide absorption cold and hot water unit schematic diagram in the past.
Fig. 2 was for adopted the fume hot-water type lithium bromide absorption cold and hot water unit schematic diagram of flue gas type high pressure generator in the past.
Fig. 3 was for adopted the fume hot-water type lithium bromide absorption cold and hot water unit schematic diagram of fuel supplementing type high pressure generator in the past.
Fig. 4 is an embodiment schematic diagram (cooling water flow path adopts flow process in parallel) of fume hot-water single-double effect compound type lithium bromide absorption type cold water of the present invention, hot and cold water unit.
Fig. 5 is another embodiment schematic diagram (cooling water flow path adopts flow process in parallel) of fume hot-water single-double effect compound type lithium bromide absorption type cold water of the present invention, hot and cold water unit.
Fig. 6 is an embodiment schematic diagram again (high pressure generator adopts the fuel supplementing type high pressure generator) of fume hot-water single-double effect compound type lithium bromide absorption type cold water of the present invention, hot and cold water unit.
Fig. 7 is an embodiment schematic diagram again (the solution transfer valve that goes to disappear, steam transfer valve and tube connector thereof) of fume hot-water single-double effect compound type lithium bromide absorption type cold water of the present invention, hot and cold water unit.
Reference numeral among the figure:
(5) specific embodiment
The present invention is unit as shown in Figure 4, and this unit is by flue gas type high pressure generator 7, evaporimeter 22, absorber 1, hot water generator 15, steam generator 17, condenser 21, high-temperature heat exchanger 6, low temperature heat exchanger 4, single-action solution heat exchanger 5, economic benefits and social benefits solution pump 25, single-action solution pump 23, cryogenic fluid pump 24, control system (not shown) and connects the fume hot-water single-double effect compound type lithium bromide absorption type hot and cold water unit that pipeline, valve constituted of each parts.The hot water heat-exchanging tube bundle 18 of hot water generator 15 and the steam heat-exchanging of steam generator 17 tube bank 19 is arranged in the same cylindrical shell 20 (hot water generator and steam generator are low pressure generator) with frame mode up and down, is provided with demarcation strip 16 between two hot water heat-exchanging tube bundles 18 and the steam heat-exchanging tube bank 19; The weak solution drain pipe of single-action solution heat exchanger 5 is received hot water generator 15 tops as hot water generator feed tube 9; Hot water generator drain pipe 10 is received on the concentrated solution feed liquor header of single-action solution heat exchanger as the concentrated solution feed tube of single-action solution heat exchanger 5; The intermediate solution drain pipe of high-temperature heat exchanger 6 is received steam generator 17 tops as steam generator feed tube 14; Steam generator drain pipe 11 is low temperature heat exchanger concentrated solution feed tube; The concentrated solution drain pipe of single-action solution heat exchanger 5 and low temperature heat exchanger 4 is all received on the absorber feed tube 2; On the pipeline between drain pipe 8 occurred frequently and the absorber 1, solution transfer valve 3 is housed; On the pipeline between refrigerant vapour pipe 12 and the evaporimeter 22, steam transfer valve 13 is housed.
When unit utilizes fume afterheat and hot water heat drive to carry out refrigerating operaton simultaneously, solution transfer valve 3 and steam transfer valve 13 are closed, the weak solution of from absorber 1, exporting by single-action solution pump 23 through the 5 heat exchange intensifications of single-action solution heat exchanger after hot water generator feed tube 9 enter hot water generator 15 and be evenly distributed on the hot water heat-exchanging tube bundle 18, by heating enters the hot water generator bottom after being condensed into concentrated solution from the hot water of external device (ED) (or system), enter the 5 heat exchange coolings of single-action solution heat exchanger after absorber feed tube 2 enters absorber 1 through hot water generator drain pipe 10 then, form single-action solution circulation flow journey.The weak solution of being exported from absorber 1 by economic benefits and social benefits solution pump 25 enters flue gas type high pressure generator 7 through low temperature heat exchanger 4, high-temperature heat exchanger 6 heat exchange after heating up, be condensed into intermediate solution by fume afterheat heating from external device (ED), intermediate solution is after drain pipe 8 occurred frequently enters high-temperature heat exchanger 6 heat exchange cooling, enter steam generator 17 and be evenly distributed in the steam heat-exchanging tube bank 19 through steam generator feed tube 14, be condensed into concentrated solution by the further heating of refrigerant vapour (from flue gas type high pressure generator) in the pipe, enter the steam generator bottom then; The concentrated solution that enters the steam generator bottom enters absorber 1 through absorber feed tube 2 after steam generator drain pipe 11 enters low temperature heat exchanger 4 heat exchange cooling, form economic benefits and social benefits solution circulation flow journey.Condense into water as refrigerant (being called water as refrigerant occurred frequently again) after the outer solution heat release of refrigerant vapour heating tube in the steam heat-exchanging tube bank 19, enter condenser 21 then; The outer solution of the pipe of hot water heat-exchanging tube bundle 18 and steam heat-exchanging tube bank 19 is heated the steam that is produced and enters the condenser heat-exchanging tube bundle, be condensed into water as refrigerant, this water as refrigerant and water as refrigerant occurred frequently together enter evaporimeter 22, being sprayed evaporator tube carries out sweat cooling outward, thereby realizes utilizing fume afterheat hot water heat to freeze simultaneously.The operation of single-action solution pump 33 is carried out VFC by the control system of unit according to the hot water heat, with control single-action solution internal circulating load; The operation of economic benefits and social benefits solution pump 25 is carried out VFC by the control system of unit according to the pressure of flue gas type high pressure generator, with control economic benefits and social benefits solution internal circulating load, the aperture of smoke valve is big more, the fume afterheat amount that enters flue gas type high pressure generator is big more, pressure occurred frequently is high more, the running frequency of economic benefits and social benefits solution pump is high more, economic benefits and social benefits solution internal circulating load is big more, thereby realize the matched well between single-action solution internal circulating load, economic benefits and social benefits solution internal circulating load and the heating load, unit is by single economic benefits and social benefits composite solution circulation process operation.
When unit utilizes hot water heat refrigerating operaton separately, solution transfer valve, steam transfer valve and flue gas electric control valve are closed, low temperature heat exchanger, high-temperature heat exchanger, flue gas type high pressure generator and steam generator are not worked, and unit is by the operation of single-action solution circulation flow journey.
When unit utilizes the fume afterheat refrigerating operaton separately, solution transfer valve, steam transfer valve are closed, no hot water circulation in the hot water generator heat exchanger tube, the stall of single-action solution pump, single-action solution heat exchanger and hot water generator are not worked, and unit is by the operation of economic benefits and social benefits solution circulation flow journey.The aperture of flue gas electric control valve is regulated control by the control system of unit according to cooling load.
During the unit heat supply running, solution transfer valve, steam transfer valve are opened, no hot water circulation (external heat source hot water is directly sent into the air-conditioning system heat supply, or provides air conditioning hot after sending into the heat exchanger heat exchange) in the hot water generator pipe, the stall of single-action solution pump.The aperture of flue gas electric control valve is regulated control by the control system of unit according to heating demand.
The cooling water flow path of unit is flow process in parallel (as shown in Figure 4), also serial flow (as shown in Figure 5).
Come flue gas type high pressure generator in alternate figures 4, the unit shown in Figure 5 with fuel supplementing type high pressure generator 29, above-mentioned unit promptly becomes fume hot-water afterburning list dual effect type lithium bromide absorption cold and hot water unit (as shown in Figure 6), when the smoke discharging residual heat amount of external device (ED) and hot water heat sum add heat less than the unit air conditioner load is required, the control system of unit promptly starts burner 28 operations, for unit provides additional heat, with cooling (heat supply) requirement of satisfying air-conditioning.
Solution transfer valve, steam transfer valve and tube connector thereof in cancellation Fig. 4～unit shown in Figure 6, unit promptly becomes fume hot-water (afterburning) the single dual effect type lithium bromide absorption cold water unit (as shown in Figure 7) that is used for separate refrigeration.
Claims (7)
1, a kind of fume hot-water single-double effect compound type lithium bromide absorption type cold water, hot and cold water unit, comprise high pressure generator (7), evaporimeter (22), absorber (1), low pressure generator, condenser (21), solution heat exchanger, solution pump, cryogenic fluid pump (24), reach the pipeline and the valve that connect each parts, it is characterized in that:
Described low pressure generator comprises hot water generator (15) and steam generator (17), the hot water heat-exchanging tube bundle (18) of described hot water generator (15) and the steam heat-exchanging of steam generator (17) tube bank (19) are arranged in the same cylindrical shell (20), be provided with demarcation strip (16) between hot water heat-exchanging tube bundle (18) and the steam heat-exchanging tube bank (19)
Described solution heat exchanger comprises high-temperature heat exchanger (6), low temperature heat exchanger (4) and single-action solution heat exchanger (5),
Described solution pump comprises single-action solution pump (23) and economic benefits and social benefits solution pump (25),
Described single-action solution pump (23) and single-action solution heat exchanger (5) are arranged on the connecting line between absorber (1) and the hot water generator (15), form single-action solution circulation flow journey system; Described economic benefits and social benefits solution pump (25), low temperature heat exchanger (4) and high-temperature heat exchanger (6) are arranged on the connecting line between absorber (1), high pressure generator (7) and the steam generator (17), form economic benefits and social benefits solution circulation flow journey system, so just formed single-double effect compound type solution circulation flow journey system
2, a kind of fume hot-water single-double effect compound type lithium bromide absorption type cold water according to claim 1, hot and cold water unit is characterized in that: the weak solution drain pipe of described single-action solution heat exchanger (5) is received hot water generator (15) top as hot water generator feed tube (9); The hot water generator drain pipe (10) of hot water generator (15) is received on the concentrated solution feed liquor header of single-action solution heat exchanger (5) as the concentrated solution feed tube of single-action solution heat exchanger (5); The intermediate solution drain pipe of high-temperature heat exchanger (6) is received steam generator (17) top as steam generator feed tube (14); The steam generator drain pipe (11) of steam generator (17) is the concentrated solution feed tube of low temperature heat exchanger (4); The concentrated solution drain pipe of single-action solution heat exchanger (5) and low temperature heat exchanger (4) is all received on the absorber feed tube (2); On the drain pipe occurred frequently (8) of high pressure generator (7) and the pipeline between the absorber (1), solution transfer valve (3) is housed; On the refrigerant vapour pipe (12) of high pressure generator (7) and the pipeline between the evaporimeter (22), steam transfer valve (13) is housed.
3, a kind of fume hot-water single-double effect compound type lithium bromide absorption type cold water according to claim 1 and 2, hot and cold water unit is characterized in that: the hot water heat-exchanging tube bundle (18) of described hot water generator (15) and the steam heat-exchanging of steam generator (17) tube bank (19) is arranged in the same cylindrical shell (20) with frame mode up and down.
4, a kind of fume hot-water single-double effect compound type lithium bromide absorption type cold water according to claim 1 and 2, hot and cold water unit is characterized in that: described high pressure generator (7) is a flue gas type high pressure generator.
5, a kind of fume hot-water single-double effect compound type lithium bromide absorption type cold water according to claim 1 and 2, hot and cold water unit is characterized in that: described high pressure generator (7) is the fuel supplementing type high pressure generator.
6, a kind of fume hot-water single-double effect compound type lithium bromide absorption type cold water according to claim 4, hot and cold water unit is characterized in that: on the waste heat flue gas inlet tube (27) of described flue gas type high pressure generator flue gas electric control valve (26) is housed.
7, a kind of fume hot-water single-double effect compound type lithium bromide absorption type cold water according to claim 5, hot and cold water unit is characterized in that: on the waste heat flue gas inlet tube (27) of described fuel supplementing type high pressure generator flue gas electric control valve (26) is housed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100280942A CN101526283B (en) | 2009-01-08 | 2009-01-08 | Fume hot-water single-double effect compound type lithium bromide absorption type cold water and cold-hot water unit |
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| CN2009100280942A CN101526283B (en) | 2009-01-08 | 2009-01-08 | Fume hot-water single-double effect compound type lithium bromide absorption type cold water and cold-hot water unit |
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| CN101526283A true CN101526283A (en) | 2009-09-09 |
| CN101526283B CN101526283B (en) | 2010-09-01 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997481A (en) * | 2012-12-06 | 2013-03-27 | 双良节能系统股份有限公司 | Hot water direct-fired single-double effect composite type lithium bromide absorption refrigerating unit |
| CN102997480A (en) * | 2012-12-06 | 2013-03-27 | 双良节能系统股份有限公司 | Flue gas and hot water single and double effect compound lithium bromide absorbing refrigerating unit |
| CN103047791A (en) * | 2012-12-07 | 2013-04-17 | 张跃 | Low-temperature flue gas double-effect lithium bromide absorption water chilling unit and double-effect refrigeration method |
| CN106225298A (en) * | 2016-08-19 | 2016-12-14 | 浙江智海化工设备工程有限公司 | A kind of dual effect type lithium bromide fridge for air separation unit |
| CN110542240A (en) * | 2019-09-19 | 2019-12-06 | 双良节能系统股份有限公司 | Single-effect and double-effect composite steam type first-type lithium bromide absorption heat pump unit |
| CN110873478A (en) * | 2019-12-13 | 2020-03-10 | 荏原冷热系统（中国）有限公司 | Composite absorption refrigerating unit |
-
2009
- 2009-01-08 CN CN2009100280942A patent/CN101526283B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997481A (en) * | 2012-12-06 | 2013-03-27 | 双良节能系统股份有限公司 | Hot water direct-fired single-double effect composite type lithium bromide absorption refrigerating unit |
| CN102997480A (en) * | 2012-12-06 | 2013-03-27 | 双良节能系统股份有限公司 | Flue gas and hot water single and double effect compound lithium bromide absorbing refrigerating unit |
| CN103047791A (en) * | 2012-12-07 | 2013-04-17 | 张跃 | Low-temperature flue gas double-effect lithium bromide absorption water chilling unit and double-effect refrigeration method |
| CN106225298A (en) * | 2016-08-19 | 2016-12-14 | 浙江智海化工设备工程有限公司 | A kind of dual effect type lithium bromide fridge for air separation unit |
| CN110542240A (en) * | 2019-09-19 | 2019-12-06 | 双良节能系统股份有限公司 | Single-effect and double-effect composite steam type first-type lithium bromide absorption heat pump unit |
| CN110873478A (en) * | 2019-12-13 | 2020-03-10 | 荏原冷热系统（中国）有限公司 | Composite absorption refrigerating unit |
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| CN101526283B (en) | 2010-09-01 |
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Owner name: SHUANGLIANG ECO-ENERGEY SYSTEMS CO.,LTD. Free format text: FORMER OWNER: SHUANGLIANG AIR CONDITIONING EQUIPMENT CO LTD, JIANGSU Effective date: 20100909 |
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Effective date of registration: 20100909 Address after: 214444 Jiangsu city of Jiangyin Province Li Town Road No. 1 West Patentee after: Shuangliang Energy Saving System Co., Ltd. Address before: 214444 Jiangsu city of Jiangyin Province Li Town Road No. 1 West Patentee before: Shuangliang Air Conditioning Equipment Co., Ltd., Jiangsu |