CN2733265Y - Flue gas hot-water type lithium bromide absorption type cold water and hot water production unit - Google Patents
Flue gas hot-water type lithium bromide absorption type cold water and hot water production unit Download PDFInfo
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- CN2733265Y CN2733265Y CNU2004200801247U CN200420080124U CN2733265Y CN 2733265 Y CN2733265 Y CN 2733265Y CN U2004200801247 U CNU2004200801247 U CN U2004200801247U CN 200420080124 U CN200420080124 U CN 200420080124U CN 2733265 Y CN2733265 Y CN 2733265Y
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Abstract
The utility model relates to a flue gas hot water type lithium bromide absorption type cold water and hot water production unit, which can be used for the location having synchronously hot water (comprising residual heat hot water and other formal hot water) and residual heat flue gas. The utility model comprises a high voltage generator 5, an evaporator 20, an absorber 9, a composite type low pressure generator 15, a condenser 19, a high-temperature heat exchanger 6, a low-temperature heat exchanger 7, a solution pump 21, a cryogenic fluid pump 22 and a pipeline and a valve connected with each component. The utility model is characterized in that a dilute solution communicated tube 1 is arranged between the composite type low pressure generator 15 and the low-temperature heat exchanger 7; the utility model can make efficiently use of the hot water and the residual heat flue gas driving and proceeding the operation of the refrigeration, which can improve the availability of the residual heat recovery, can save the energy and can protect the environment.
Description
Technical field:
The utility model relates to a kind of fume hot-water type lithium bromide absorption cold water, hot and cold water unit.Be applicable to and have hot water simultaneously the place of (hot water that comprises waste heat hot water and other form) and waste heat flue gas.
Background technology:
Drove the fume hot-water type lithium bromide absorption cold and hot water unit of operation simultaneously shown in Fig. 1,2,3,4 with flue gas and hot water in the past.Air-introduced machine 1 among the figure, flue gas type high pressure generator 2, high-temperature heat exchanger 3, low temperature heat exchanger 4, solution transfer valve 5, absorber 6, steam transfer valve 7, refrigerant vapour pipe 8, hot water heat-exchanging tube bundle 9, the hot water inlet pipe 10, the hot water outlet pipe 11, compound low pressure generator 12, steam heat-exchanging tube bank 13, water as refrigerant outlet 14, condenser 15, evaporimeter 16, solution pump 17, cryogenic fluid pump 18, burner 19, flue gas import and export A ', A ', hot water import and export B ', B ', cooling water import and export C ', C '.The compound low pressure generator 12 of Fig. 1, unit shown in Figure 2 ' heat-exchanging tube bundle by hot water heat-exchanging tube bundle 9 ' and steam heat-exchanging tube bank 13 ' form.The compound low pressure generator 12 of unit shown in Figure 1 ' hot water heat-exchanging tube bundle 9 ' and steam heat-exchanging tube bank 13 ' all adopt heavy formula structure.The compound low pressure generator 12 of unit shown in Figure 2 ' hot water heat-exchanging tube bundle 9 ' and steam heat-exchanging tube bank 13 ' all adopt the showering spray type structure.The driving heat source of these two kinds of types is waste heat flue gas and the hot water from the discharging of external device (ED)s such as explosive motor.Fig. 3 and unit shown in Figure 4 are with fuel supplementing type high pressure generator 2 ' the substitute flue gas type high pressure generator 2 ' formed unit in the unit illustrated in figures 1 and 2.When the waste heat amount from external device (ED) adds heat less than the unit air conditioner load is required, the control system of unit promptly start mend coal combustion type burner that generator is joined 19 ', the weak solution that enters high pressure generator is carried out supplementary heating, make generator always add heat and the unit air conditioner load is complementary, to satisfy cooling (heat supply) requirement.During above-mentioned unit refrigerating operaton, enter unit low pressure generator 12 ' lithium-bromide solution be from high pressure generator 2 ' come out and the intermediate solution after high-temperature heat exchanger 3 ' cooling.Because from the hot water temperature of explosive motor higher (〉=85 ℃), and the temperature of high pressure generator outlet intermediate solution also very high (general 150 〉=℃), therefore, need on the one hand to strengthen high-temperature heat exchanger 3 ' heat exchange property with reduction enter low pressure generator 12 ' intermediate solution temperature (the intermediate solution inlet temperature in the low pressure generator must be lower than the hot water outlet temperature), need increase low pressure generator hot water heat-exchanging tube bundle area on the other hand to remedy the too small deficiency of its heat transfer temperature difference, could effectively be used to carry out refrigerating operaton, and make the return water temperature of waste heat hot water satisfy the service requirement of external device (ED) from the afterheat of hot water of external device (ED) heating intermediate solution.In addition, during above-mentioned unit refrigerating operaton, the exhaust temperature of high pressure generator waste heat flue gas also higher (general 〉=170 ℃) can not fully be recycled fume afterheat.
Summary of the invention:
First purpose of the present utility model is to overcome above-mentioned deficiency, provides a kind of heat transfer temperature difference of the hot water heat-exchanging tube bundle by strengthening low pressure generator to improve fume hot-water type lithium bromide absorption cold water, the hot and cold water unit of unit heat recovery rate.
First purpose of the present utility model is achieved in that a kind of fume hot-water type lithium bromide absorption cold water, hot and cold water unit, comprise high pressure generator, evaporimeter, absorber, compound low pressure generator, condenser, high-temperature heat exchanger, low temperature heat exchanger, solution pump, cryogenic fluid pump and the pipeline, the valve that connect each parts, be characterized between compound low pressure generator and low temperature heat exchanger, being provided with the weak solution cross over pipe.During the unit refrigerating operaton, the part or all of weak solution that low temperature heat exchanger comes out is introduced compound low pressure generator and drenched sharp to hot water heat-exchanging tube bundle (or hot water heat-exchanging tube bundle and steam heat-exchanging tube bank), effectively increase the heat transfer temperature difference of hot water heat-exchanging tube bundle, thereby the afterheat of hot water that improves unit is recycled performance, and reduce the heat exchange area of hot water heat-exchanging tube bundle, reduce unit volume, make set structure more compact.
Second purpose of the present utility model is to provide and overcomes above-mentioned deficiency, and a kind of heat transfer temperature difference and fume hot-water type lithium bromide absorption cold water, hot and cold water unit of improving unit heat recovery rate of the smog discharge temperature when reducing the unit refrigerating operaton by strengthening low pressure generator hot water heat-exchanging tube bundle is provided.
Second purpose of the present invention is achieved in that on above-mentioned high pressure generator waste heat smoke outlet tube the fume hot-water heat exchanger is set, and between compound low pressure generator and fume hot-water heat exchanger, the hot water cross over pipe being set, the hot water cross over pipe is connected with the hot water heat-exchanging tube bundle of compound low pressure generator.Hot water from external device (ED) is introduced into the fume hot-water heat exchanger, enter the hot water heat-exchanging tube bundle in the low pressure generator after the low temperature exhaust heat flue gas heat of recovery high pressure generator discharging again, to reduce the exhaust temperature of waste heat flue gas, improve the heat recovery rate of unit, and improve the hot water temperature enter the unit low pressure generator, increase the heat transfer temperature difference of hot water heat-exchanging tube bundle, thereby improve the refrigerating operaton condition of unit, improve the refrigerating operaton performance of unit.
The specific embodiment:
Embodiment one:
Among Fig. 5: weak solution cross over pipe 1, high pressure generator drain pipe 2, low pressure generator drain pipe 3, absorber feed tube 4, flue gas type high pressure generator 5, high-temperature heat exchanger 6, low temperature changes interchanger 7, solution transfer valve 8, absorber 9, steam transfer valve 10, refrigerant vapour pipe 11, hot water heat-exchanging tube bundle 12, the hot water inlet pipe 13, and the hot water outlet pipe 14, compound low pressure generator 15, steam heat-exchanging tube bank 16, intermediate solution liquid distributor 17, water as refrigerant outlet 18, condenser 19, evaporimeter 20, solution pump 21, cryogenic fluid pump 22, flue gas advances, outlet A, A, the hot water turnover, mouth B, B, cooling water advances, outlet C, C.
Invention one unit as shown in Figure 5, this unit are by flue gas type high pressure generator 5, evaporimeter 20, absorber 9, compound low pressure generator 15, condenser 19, high-temperature heat exchanger 6, low temperature heat exchanger 7, solution pump 21, cryogenic fluid pump 22, control system (not shown) and connect the fume hot-water type lithium bromide absorption cold and hot water unit that pipeline, valve constituted of each parts.Be provided with weak solution cross over pipe 1 between compound low pressure generator 15 and the low temperature heat exchanger 7, on the pipe 1 solution transfer valve 8 be housed.Between high pressure generator drain pipe 2 and absorber 9, be provided with intermediate solution communicating pipe 28, on the pipe 28 solution transfer valve 8 be housed.Between refrigerant vapour pipe 11 that goes out flue gas type high pressure generator 5 and evaporimeter 20, vapor communication pipe 29 is set, on the pipe 29 steam transfer valve 10 is housed.During the unit refrigerating operaton, solution transfer valve 8 on the weak solution cross over pipe 1 is opened, another solution transfer valve 8 and steam transfer valve 10 are closed, the weak solution of being exported from absorber 9 by solution pump 21 is divided into two-way after low temperature heat exchanger 7 heat exchange heat up, the one tunnel enters flue gas type high pressure generator 5 after high-temperature heat exchanger 6 further heat exchange heat up; Another road enters compound low pressure generator 15 and is evenly sprayed through weak solution cross over pipe 1 and is distributed on the hot water heat-exchanging tube bundle 12, is condensed into concentrated solution by hot water (hot water that comprises waste heat hot water and other form) heating from external device (ED).The weak solution that enters in the flue gas type high pressure generator 5 is condensed into intermediate solution by the waste heat flue gas heating from external device (ED), after high pressure generator drain pipe 2 enters high-temperature heat exchanger 6 heat exchange cooling, be evenly distributed in the steam heat-exchanging tube bank 16 through intermediate solution liquid distributor 17, the further heating of refrigerant vapour (from flue gas type high pressure generator 5) is condensed into concentrated solution in being managed.The concentrated solution that flows out from compound low pressure generator 15 enters absorber 9 through absorber feed tube 4 after low pressure generator drain pipe 3 enters low temperature heat exchanger 7 heat exchange cooling, make the solution flow process of unit become the connection in series-parallel flow process.Condense into water as refrigerant after the outer solution heat release of refrigerant vapour heating tube in the steam heat-exchanging tube bank 16, enter condenser 19 through water as refrigerant outlet 18; The outer solution of the pipe of hot water heat-exchanging tube bundle 12 and steam heat-exchanging tube bank 16 is heated the steam that is produced and enters in the condenser 19, be condensed into water as refrigerant, this water as refrigerant with together enter evaporimeter 20 from the water as refrigerant occurred frequently of water as refrigerant outlet 18, sprayed the outer sweat cooling that carries out of evaporimeter 20 pipes, thereby realize utilizing simultaneously hot water and waste heat flue gas to come drive train to carry out the cooling operation.Owing to go out the weak solution temperature lower (being generally about 75 ℃) of low temperature heat exchanger 7, wherein a part is introduced compound low pressure generator 15 and is drenched through weak solution cross over pipe 1 and swashs to hot water heat-exchanging tube bundle 12, effectively increased the heat transfer temperature difference between heat medium (hot water) and the heated medium (weak solution), thereby the afterheat of hot water that has improved unit is recycled performance, the heat exchange area of hot water heat-exchanging tube bundle is also corresponding to be reduced, thereby reduce unit volume, make set structure more compact.During the unit heat supply running, solution transfer valve 8 on the weak solution cross over pipe 1 cuts out, another solution transfer valve 8 and steam transfer valve 10 are opened, the cryogenic fluid pump stall, enter evaporimeter 20 from the steam that solution produced in the waste heat flue gas heating flue gas type high pressure generator 5 of external device (ED) through steam transfer valve 10, hot water in the heating fumigators heat exchanger tube, externally heat supply.Can adopt mode by the transfer valve (not shown) directly to air-conditioning system heat supply water, to the air-conditioning system heat supply from the hot water of external device (ED); Also can adopt mode,, thereby realize utilizing simultaneously hot water and waste heat flue gas to come to the air-conditioning system heat supply to the air-conditioning system heat supply by the hot water in the water water-to-water heat exchanger (not shown) heating air-conditioning system.
For the solution flow process is the unit (as shown in Figure 6) of flow process in parallel, the weak solution of being exported from absorber 9 by solution pump 21 is divided into two-way, one the tunnel advances after low temperature heat exchanger 7 heat exchange heat up, enter compound low pressure generator 15 through weak solution cross over pipe 1, and evenly drenched sharp in hot water heat-exchanging tube bundle and steam heat-exchanging tube bank, be condensed into concentrated solution by hot water in the heat-exchanging tube bundle (from external device (ED)) and refrigerant vapour (from flue gas type high pressure generator 5) heating, after high-temperature heat exchanger 6 heat exchange intensification is advanced on another road, enter flue gas type high pressure generator 5, be condensed into concentrated solution by waste heat flue gas heating from external device (ED).The concentrated solution that goes out flue gas type high pressure generator 5 and compound low pressure generator 15 is respectively after high and low temperature heat exchanger heat exchange cooling, enter absorption pump 25 porch, be absorbed pump and be transported to absorber 9 tube bank top sprays, absorb the cryogenic coolant steam of flash-pot.
Invention two is fume hot-water type lithium bromide absorption cold and hot water unit as shown in Figure 7 and Figure 8.Unit shown in Figure 7 is a solution connection in series-parallel flow process unit, unit shown in Figure 8 is a solution flow process unit in parallel, two units are on the high pressure generator waste heat smoke outlet tube 24 of Fig. 5 and unit shown in Figure 6 fume hot-water heat exchanger 23 to be set respectively, and 23 hot water cross over pipe 27 is set becomes between compound low pressure generator 15 and fume hot-water heat exchanger.Hot water cross over pipe 27 is connected with the hot water heat-exchanging tube bundle 12 of compound low pressure generator 15, and the hot water inlet of unit then is arranged on fume hot-water and changes on the interchanger 23.During the unit refrigerating operaton, hot water from external device (ED) is introduced into fume hot-water heat exchanger 23 through hot water inlet pipe 13, after reclaiming the low temperature exhaust heat flue gas heat of high pressure generator discharging, enter hot water heat-exchanging tube bundle 12 in the compound low pressure generator 15 through hot water cross over pipe 27 again, the waste heat smog discharge temperature of unit is reduced to below 120 ℃, thereby improved the heat recovery rate of unit, and improved the hot water temperature who enters the compound low pressure generator 15 of unit, increased the heat transfer temperature difference of hot water heat-exchanging tube bundle, improve the refrigerating operaton condition of unit, improved the refrigerating operaton performance of unit.
Come the flue gas type high pressure generator in the unit shown in the alternate figures 5～8 with the fuel supplementing type high pressure generator, above-mentioned unit promptly becomes fume hot-water fuel supplementing type lithium bromide absorption cold and hot water unit (Fig. 9～shown in Figure 12), 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 26 operations, for unit provides additional heat, with cooling (heat supply) requirement of satisfying air-conditioning.
The hot water heat-exchanging tube bundle of compound low pressure generator part should adopt the showering spray type structure in the unit, and steam heat-exchanging tube bank part can adopt showering spray type structure (Fig. 5～shown in Figure 12), also can adopt immersion structure (shown in Figure 13).
Above-mentioned fume hot-water type and fume hot-water fuel supplementing type lithium bromide absorption cold (heat) water unit are applicable to and have hot water simultaneously the place of (hot water that comprises waste heat hot water and other form) and waste heat flue gas, the temperature of hot water must 〉=85 ℃, the temperature of waste heat flue gas is suitable 〉=300 ℃.
Claims (10)
1, a kind of fume hot-water type lithium bromide absorption cold water, hot and cold water unit, comprise high pressure generator (5), evaporimeter (20), absorber (9), compound low pressure generator (15), condenser (19), high-temperature heat exchanger (6), low temperature heat exchanger (7), solution pump (21), cryogenic fluid pump (22) and the pipeline, the valve that connect each parts, it is characterized in that between compound low pressure generator (15) and low temperature heat exchanger (7), being provided with weak solution cross over pipe (1).
2, a kind of fume hot-water type lithium bromide absorption cold water according to claim 1, hot and cold water unit, it is characterized in that on high pressure generator (5) waste heat smoke outlet tube (24), being provided with fume hot-water heat exchanger (23), and between compound low pressure generator (15) and fume hot-water heat exchanger (23), hot water cross over pipe (27) being set, hot water cross over pipe (27) is connected with the hot water heat-exchanging tube bundle (12) of compound low pressure generator (15).
3, a kind of fume hot-water type lithium bromide absorption cold water according to claim 1 and 2, hot and cold water unit is characterized in that being equipped with on the weak solution cross over pipe (1) solution transfer valve (8); Between high pressure generator drain pipe (2) and absorber (9), be provided with intermediate solution cross over pipe (28), solution transfer valve (8) is housed on the intermediate solution cross over pipe (28); Between refrigerant vapour pipe (11) that goes out high pressure generator (5) and evaporimeter (20), steam cross over pipe (29) is set, steam transfer valve (10) is housed on the steam cross over pipe (29).
4, a kind of fume hot-water type lithium bromide absorption cold water according to claim 1 and 2, hot and cold water unit is characterized in that high pressure generator (5) is a flue gas type high pressure generator.
5, a kind of fume hot-water type lithium bromide absorption cold water according to claim 1 and 2, hot and cold water unit is characterized in that high pressure generator (5) is the fuel supplementing type high pressure generator.
6, a kind of fume hot-water type lithium bromide absorption cold water according to claim 1 and 2, hot and cold water unit is characterized in that the hot water heat-exchanging tube bundle (12) of compound low pressure generator (15) and steam heat-exchanging tube bank (16) all adopts the showering spray type structure.
7, a kind of fume hot-water type lithium bromide absorption cold water according to claim 1 and 2, hot and cold water unit, the hot water heat-exchanging tube bundle (12) that it is characterized in that compound low pressure generator (15) adopts the showering spray type structure, and the immersion structure is adopted in steam heat-exchanging tube bank (16).
8, a kind of fume hot-water type lithium bromide absorption cold water according to claim 3, hot and cold water unit is characterized in that high pressure generator (5) is a flue gas type high pressure generator.
9, a kind of fume hot-water type lithium bromide absorption cold water according to claim 3, hot and cold water unit is characterized in that high pressure generator (5) is the fuel supplementing type high pressure generator.
10, a kind of fume hot-water type lithium bromide absorption cold water according to claim 3, hot and cold water unit is characterized in that the hot water heat-exchanging tube bundle (12) of compound low pressure generator (15) and steam heat-exchanging tube bank (16) all adopts the showering spray type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200801247U CN2733265Y (en) | 2004-10-11 | 2004-10-11 | Flue gas hot-water type lithium bromide absorption type cold water and hot water production unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200801247U CN2733265Y (en) | 2004-10-11 | 2004-10-11 | Flue gas hot-water type lithium bromide absorption type cold water and hot water production unit |
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| CN2733265Y true CN2733265Y (en) | 2005-10-12 |
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| CNU2004200801247U Expired - Fee Related CN2733265Y (en) | 2004-10-11 | 2004-10-11 | Flue gas hot-water type lithium bromide absorption type cold water and hot water production unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101957101A (en) * | 2010-05-14 | 2011-01-26 | 王开明 | Improved generator of lithium-bromide air conditioner |
| CN102519165A (en) * | 2012-01-04 | 2012-06-27 | 中南大学 | Triple-effect lithium bromide absorption type refrigerating device |
| CN101699195B (en) * | 2009-01-08 | 2012-08-15 | 双良节能系统股份有限公司 | Smoke hot water type lithium bromide absorbing cold water or cold-hot water set with booster pump |
| CN103759461A (en) * | 2014-01-18 | 2014-04-30 | 双良节能系统股份有限公司 | Smoke hot-water lithium bromide absorption refrigerating unit with smoke solution heat exchanger |
| CN114812003A (en) * | 2022-02-16 | 2022-07-29 | 中船双瑞(洛阳)特种装备股份有限公司 | Double-heat-source waste heat recovery type heat pump and heat exchange unit |
-
2004
- 2004-10-11 CN CNU2004200801247U patent/CN2733265Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699195B (en) * | 2009-01-08 | 2012-08-15 | 双良节能系统股份有限公司 | Smoke hot water type lithium bromide absorbing cold water or cold-hot water set with booster pump |
| CN101957101A (en) * | 2010-05-14 | 2011-01-26 | 王开明 | Improved generator of lithium-bromide air conditioner |
| CN102519165A (en) * | 2012-01-04 | 2012-06-27 | 中南大学 | Triple-effect lithium bromide absorption type refrigerating device |
| CN103759461A (en) * | 2014-01-18 | 2014-04-30 | 双良节能系统股份有限公司 | Smoke hot-water lithium bromide absorption refrigerating unit with smoke solution heat exchanger |
| CN103759461B (en) * | 2014-01-18 | 2015-08-05 | 双良节能系统股份有限公司 | With the fume hot-water type lithium bromide absorption refrigerating set of smoke solution heat exchanger |
| CN114812003A (en) * | 2022-02-16 | 2022-07-29 | 中船双瑞(洛阳)特种装备股份有限公司 | Double-heat-source waste heat recovery type heat pump and heat exchange unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHUANGLIANG ECO-ENERGEY SYSTEMS CO.,LTD. Free format text: FORMER OWNER: SHUANGLIANG AIR CONDITIONING EQUIPMENT CO LTD, JIANGSU Effective date: 20100913 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100913 Address after: 214444 Li Gang Town, Jiangsu City, Jiangyin Province Patentee after: Shuangliang Energy Saving System Co., Ltd. Address before: 214444 Li Gang Town, Jiangsu City, Jiangyin Province Patentee before: Shuangliang Air Conditioning Equipment Co., Ltd., Jiangsu |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051012 Termination date: 20121011 |