CN201297798Y - First-kind lithium bromide absorption heat pump unit with double-effect refrigeration function - Google Patents
First-kind lithium bromide absorption heat pump unit with double-effect refrigeration function Download PDFInfo
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- CN201297798Y CN201297798Y CNU2008201862104U CN200820186210U CN201297798Y CN 201297798 Y CN201297798 Y CN 201297798Y CN U2008201862104 U CNU2008201862104 U CN U2008201862104U CN 200820186210 U CN200820186210 U CN 200820186210U CN 201297798 Y CN201297798 Y CN 201297798Y
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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 utility model relates to a first-kind lithium bromide absorption heat pump unit with double-effect refrigeration function, which comprises a vapor high-pressure generator (1), a composite generator (10), an evaporator (6), an absorber (5), a condenser (9), a high-temperature heat exchanger (2), a condensed water solution heat exchanger (3), a low-temperature solution heat exchanger (4), a solution pump (7) and a cryogen pump (8), wherein a vapor heat exchange pipe bundle (14) and a lower-heating heat exchange pipe bundle (12) are arranged in a cylinder to form the composite generator (10), a dilute solution diverter valve II (18) and a spraying pipe (15) for dilute solution entering the composite generator (10) are additionally arranged at an outlet of the low-temperature solution heat exchanger (4), and a dilute solution diverter valve I (17), a working vapor diverter valve I (21), a working vapor diverter valve II (22), a strong solution diverter valve (19) and a cryogen water adjusting device (20) are respectively arranged on corresponding pipelines. The unit has the double-effect summer refrigeration running function, not only satisfies the summer refrigeration requirement and the winter heating requirement, but also saves energy resources to the maximum extent.
Description
(1) technical field
The utility model relates to a kind of first kind lithium bromide absorption type heat pump unit with dual-effect refrigeration function.Belong to technical field of refrigeration equipment.
(2) background technology
At present China in the oil field, there are a large amount of dried up, technique waste waters that divide as recovering the oil in industries such as chemical industry, metallurgy, coking, the low-grade heat source below 60 ℃ that low temperature waste heat water etc. are a large amount of, we need the thermal source of a large amount of middle temperature again in production technology simultaneously, the thermal release that adds as the oil water mixture in DP technology, heating crude oil is carried, and production wellhead recharges and adds hot water etc.China needs a large amount of middle warm water's heating regional winter to the north of the Yellow River in addition.In production technology and life, need thermal source, the zone of low temperature exhaust heat is arranged again simultaneously, adopt first kind lithium bromide absorption type heat pump unit to extract the heat of low temperature exhaust heat, provide, can save a large amount of fuel than warm source in high 40～60 ℃ of the low-temperature heat source.In some occasions that adopts first kind lithium bromide absorption type heat pumps to carry out winter heating or technology heating, wish that when summer source pump can refrigerating operaton, air-conditioning or technology low-temperature cold water are provided, accomplish a machine dual-purpose, reduce investment outlay.
Steam double-effect type lithium-bromide absorption-type refrigerating machine group (as Fig. 1) is made of high pressure generator, low pressure generator, condenser, evaporimeter, absorber, high-temperature solution heat exchanger, cryogenic fluid heat exchanger, the pipeline, the valve that coagulate aqueous solution heat exchanger, solution pump, cryogenic fluid pump, control system (not shown) and connect each parts, walks economic benefits and social benefits and moves.Steam type first-class lithium bromide absorption type heat pump unit (as Fig. 2) is made of generator, condenser, evaporimeter, absorber, solution heat exchanger, solution pump, cryogenic fluid pump, control system (not shown) and the pipeline, the valve that connect each parts, walks the single-action operation.Because the heating COP and can reach 1.8 of first kind lithium bromide absorption type heat pump unit, when heating operation, compare and to save 45% with Boiler heating.If adopt the identical flow process refrigeration of first kind lithium bromide absorption type heat pump unit, can only walk the single-action operation, because the driving heat source grade that first kind lithium bromide absorption type heat pump provides is higher, major part is above steam or other high temperature heat source of 0.4Mpa, when refrigeration, can walk the economic benefits and social benefits operation fully, the refrigeration COP of single-action operation is about 0.8, the refrigeration COP of economic benefits and social benefits operation can reach 1.4, compare with economic benefits and social benefits, the single-action operation needs the high-grade energies 75% that consume more, all adopt first kind lithium bromide absorption type heat pump to heat the energy of being saved, and just have been wasted when single-action in summer refrigeration.In order to satisfy unit refrigeration in summer and winter heating function, save simultaneously the energy again to greatest extent, steam type first-class lithium bromide absorption type heat pump must possess the function of dual-effect refrigeration operation in summer, because the pressure range of operation of heat pump operating mode and each parts of dual-effect refrigeration operating condition is very big, need solution that the two operating mode is realized on a unit.
(3) summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of first kind lithium bromide absorption type heat pump unit that possesses the band dual-effect refrigeration function of dual-effect refrigeration operation function in summer is provided.
The purpose of this utility model is achieved in that a kind of first kind lithium bromide absorption type heat pump unit with dual-effect refrigeration function, described unit comprises steam high pressure generator, compound generator, evaporimeter, absorber, condenser, high-temperature heat exchanger, coagulates aqueous solution heat exchanger, cryogenic fluid heat exchanger, solution pump and cryogenic fluid pump
Described compound generator is that steam heat-exchanging tube bank and the low heat-exchanging tube bundle of sending out are placed into the compound generator of formation in the cylindrical shell, described steam heat-exchanging tube bank import is advanced compound generator tube by working steam and is connected with working steam, described low import and the outlet of sending out heat-exchanging tube bundle is connected with the steam (vapor) outlet and the condenser at steam high pressure generator top respectively
Set up a weak solution at described cryogenic fluid heat exchanger outlet and advance compound generator shower, and advance a weak solution transfer valve II is set on the compound generator shower in this weak solution, open at operation of heat pump operating mode weak solution transfer valve II, close in the dual-effect refrigeration operating mode; Go out on the pipeline that the cryogenic fluid heat exchanger advances aqueous solution heat exchanger with fixed attention a weak solution transfer valve I is set in weak solution, I closes at heat pump heating condition weak solution transfer valve, opens when the dual-effect refrigeration operating mode; Advance a working steam transfer valve I is set on the compound generator tube at working steam; Advance a working steam transfer valve II is set on the high pressure generator pipe at working steam, in the heat pump operating mode, the working steam transfer valve I that working steam advances compound generator pipeline opens, the working steam transfer valve II that working steam advances the high pressure generator pipe closes, at the dual-effect refrigeration operating condition, the working steam transfer valve I that working steam enters the steam generator road closes, and the working steam transfer valve II that working steam advances the high pressure generator pipeline opens.Pressure reduction during according to dual-effect refrigeration between compound generator and condenser and evaporimeter, absorber is much smaller than the heat pump heating condition, and the solution of two kinds of operating modes also has different with the flow of water as refrigerant, the concentrated solution control valve is set on the pipeline before concentrated solution is advanced absorber, advance at the condenser water as refrigerant on the pipeline of evaporimeter the water as refrigerant adjusting device is set, the regulator solution internal circulating load and the cryogen water yield guarantee all can satisfy operation under two kinds of operating modes.
The switching of the utility model by weak solution transfer valve I, weak solution transfer valve II, working steam transfer valve I, working steam transfer valve II guarantees that a class heat pump heating condition and dual-effect refrigeration operating condition inner loop flow process are with original identical, by regulating concentrated solution control valve, water as refrigerant adjusting device, adapt to the variation of the two operating mode internal pressure and flow simultaneously.
The utility model unit possesses the function of dual-effect refrigeration operation in summer, has both satisfied unit refrigeration in summer and winter heating function, saves the energy simultaneously again to greatest extent.
(4) description of drawings
Fig. 1 is steam double-effect type lithium-bromide absorption-type refrigerating machine group schematic diagram in the past.
Fig. 2 is steam type first-class lithium bromide absorption type heat pump unit schematic diagram in the past.
Fig. 3 is first kind lithium bromide absorption type heat pump unit embodiment 1 schematic diagram of the utility model band dual-effect refrigeration function.
Fig. 4 is first kind lithium bromide absorption type heat pump unit embodiment 2 schematic diagrames of the utility model band dual-effect refrigeration function.
Among the figure: steam high pressure generator 1, high-temperature heat exchanger 2, coagulate aqueous solution heat exchanger 3, cryogenic fluid heat exchanger 4, absorber 5, evaporimeter 6, solution pump 7, cryogenic fluid pump 8, condenser 9, compound generator 10, intermediate solution is advanced compound generator shower 11, the low heat-exchanging tube bundle 12 of sending out, working steam advances high pressure generator pipe 13, steam heat-exchanging tube bank 14, weak solution is advanced compound generator shower 15, working steam advances compound generator tube 16, weak solution transfer valve I17, weak solution transfer valve II18, concentrated solution control valve 19, water as refrigerant adjusting device 20, working steam transfer valve I21, working steam transfer valve II22.
(5) specific embodiment
Embodiment 1:
Unit as shown in Figure 3, this unit is on steam double-effect type lithium bromide absorption cold water unit such as Fig. 1 basis in the past, the steam heat-exchanging tube bank 14 of the steam generator of steam type first-class lithium bromide absorption type heat pump such as Fig. 2 and low pressure generator low sent out a heat-exchanging tube bundle 12 be placed into and form compound generator 10 in the cylindrical shell, a steam heat-exchanging tube bank 14 and the low heat-exchanging tube bundle 12 of sending out are arranged up and down.Solution heat exchanger and the shared cryogenic fluid heat exchanger 4 of cryogenic fluid heat exchanger with heat pump.This unit by steam high pressure generator 1, compound generator 10, evaporimeter 6, absorber 5, condenser 9, high-temperature heat exchanger 2, coagulate aqueous solution heat exchanger 3, cryogenic fluid heat exchanger 4, solution pump 7, cryogenic fluid pump 8, control system is not shown and connects the first kind lithium bromide absorption type heat pump unit of the band dual-effect refrigeration function that pipeline, valve constituted of each parts.Set up a weak solution in 4 outlets of cryogenic fluid heat exchanger and advance compound generator shower 15, and advance a weak solution transfer valve II18 is set on the compound generator shower 15 in this weak solution, go out cryogenic fluid heat exchanger 4 in weak solution and advance with fixed attention and on aqueous solution heat exchanger 3 pipelines weak solution transfer valve I17 is set.Advance working steam transfer valve I21 is set on the compound generator tube 16 at working steam, advance the high pressure generator pipeline at working steam working steam transfer valve II22 is set, concentrated solution control valve 19 (be arranged on the pipeline before or after the cryogenic fluid heat exchanger into all can) is set on the pipeline before concentrated solution is advanced absorber, advances at condenser 9 water as refrigerants on the pipeline of evaporimeter 6 water as refrigerant adjusting device 20 is set.When a class heat pump heating condition moves, working steam transfer valve II22, weak solution transfer valve I17 close, working steam transfer valve I21, weak solution transfer valve II18 open, weak solution was advanced compound generator shower 15 and was directly entered compound generator 10 through cryogenic fluid heat exchanger 4, weak solution this moment, was condensed into concentrated solution by steam heat-exchanging tube bank 14 heating in the compound generator 10.High pressure generator 1, high-temperature solution heat exchanger 2, coagulating low in aqueous solution heat exchanger 3 and the compound generator 10, to send out heat-exchanging tube bundle 12 inoperative, and unit is finished the process flow operation according to the first kind lithium bromide absorption type heat pump of routine.Because the pressure reduction between compound generator of heat pump heating condition and condenser and evaporimeter, absorber is big, concentrated solution control valve 19 and water as refrigerant adjusting device 20 turn down.When the dual-effect refrigeration operating mode is moved, opposite with a class heat pump heating condition, working steam transfer valve II22, weak solution transfer valve I17 open, working steam transfer valve I21, weak solution transfer valve II18 close, this moment weak solution through cryogenic fluid heat exchanger 4, coagulate aqueous solution heat exchanger 3, high-temperature solution heat exchanger 2 enters 1 heating of steam high pressure generator and concentrates.Intermediate solution after concentrating is advanced compound generator shower 11 through high-temperature solution heat exchanger, intermediate solution and is sprayed compound generator 10 interior hanging down on the heat-exchanging tube bundle 12, is heated by the low heat-exchanging tube bundle 12 in the compound generator 10 to be condensed into concentrated solution.It is 14 inoperative that steam heat-exchangings in this moment compound generator 10 are restrained, and unit is fully according to the process flow operation of the dual effect type lithium bromide absorbing type refrigeration of routine.Because the pressure reduction during the dual-effect refrigeration operating mode between compound generator and condenser and evaporimeter, absorber is little, concentrated solution control valve 19 and water as refrigerant adjusting device 20 are opened greatly.
Embodiment 2: as Fig. 4, on the basis of utility model one, steam heat-exchanging tube bank 14 and the low heat-exchanging tube bundle about 12 of sending out are arranged.When the heat pump heating condition, weak solution is advanced compound generator shower 15 by weak solution and is sprayed in the steam heat-exchanging tube bank 14.When the dual-effect refrigeration operating mode, the intermediate solution that high pressure generator 1 is come is advanced compound generator shower 11 by intermediate solution and is sprayed hanging down on the heat-exchanging tube bundle 12 in the compound generator 10.
Such scheme is applicable to the pattern of condenser, evaporimeter, absorber two segment types.Hot water (cooling water) flow process in parallel, serial flow.Driving heat source not only can be a steam, also can be high-temperature-hot-water, heat conduction wet goods.
Claims (6)
1, a kind of first kind lithium bromide absorption type heat pump unit with dual-effect refrigeration function, it is characterized in that described unit comprises steam high pressure generator (1), compound generator (10), evaporimeter (6), absorber (5), condenser (9), high-temperature heat exchanger (2), coagulates aqueous solution heat exchanger (3), cryogenic fluid heat exchanger (4), solution pump (7) and cryogenic fluid pump (8)
Described compound generator (10) is that steam heat-exchanging tube bank (14) and the low heat-exchanging tube bundle (12) of sending out are placed into formation compound generator (10) in the cylindrical shell, described steam heat-exchanging tube bank (14) import is advanced compound generator tube (16) by working steam and is connected with working steam, described low import and the outlet of sending out heat-exchanging tube bundle (12) is connected with the steam (vapor) outlet and the condenser (9) at steam high pressure generator (1) top respectively
Set up a weak solution in described cryogenic fluid heat exchanger (4) outlet and advance compound generator shower (15), and advance a weak solution transfer valve II (18) is set on the compound generator shower (15) in this weak solution; Go out on the pipeline that cryogenic fluid heat exchanger (4) advances aqueous solution heat exchanger (3) with fixed attention a weak solution transfer valve I (17) is set in weak solution; Advance a working steam transfer valve I (21) is set on the compound generator tube (16) at working steam; Advance a working steam transfer valve II (22) is set on the high pressure generator pipe (13) at working steam; Advance on the preceding pipeline of absorber (5) concentrated solution control valve (19) is set in concentrated solution; Advance at condenser (9) water as refrigerant on the pipeline of evaporimeter (6) water as refrigerant adjusting device (20) is set.
2, a kind of first kind lithium bromide absorption type heat pump unit with dual-effect refrigeration function according to claim 1 is characterized in that described steam heat-exchanging is restrained (14) and the low heat-exchanging tube bundle (12) of sending out is arranged up and down in the cylindrical shell of compound generator (10).
3, a kind of steam type first-class lithium bromide absorption type heat pump unit with dual-effect refrigeration function according to claim 1 is characterized in that arranging about a described steam heat-exchanging tube bank (14) and a low heat-exchanging tube bundle (12) are in the cylindrical shell of compound generator (10).
4,, it is characterized in that described concentrated solution control valve (19) is arranged on the pipeline before or after the cryogenic fluid heat exchanger (4) into according to claim 1,2 or 3 described a kind of first kind lithium bromide absorption type heat pump units with dual-effect refrigeration function.
5, according to claim 1,2 or 3 described a kind of first kind lithium bromide absorption type heat pump units, it is characterized in that condenser (9), evaporimeter (6) and the absorber (5) of described unit is single segment structure or two segment structures with dual-effect refrigeration function.
6, according to claim 1,2 or 3 described a kind of first kind lithium bromide absorption type heat pump units, it is characterized in that the hot water of described unit or cooling water are parallel-connection structure or cascaded structure with dual-effect refrigeration function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201862104U CN201297798Y (en) | 2008-10-15 | 2008-10-15 | First-kind lithium bromide absorption heat pump unit with double-effect refrigeration function |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008201862104U CN201297798Y (en) | 2008-10-15 | 2008-10-15 | First-kind lithium bromide absorption heat pump unit with double-effect refrigeration function |
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| CN201297798Y true CN201297798Y (en) | 2009-08-26 |
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| CNU2008201862104U Expired - Lifetime CN201297798Y (en) | 2008-10-15 | 2008-10-15 | First-kind lithium bromide absorption heat pump unit with double-effect refrigeration function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403548B (en) * | 2008-10-15 | 2011-07-06 | 双良节能系统股份有限公司 | Steam type first-class lithium bromide absorption type heat pump units with dual-effect refrigeration function |
-
2008
- 2008-10-15 CN CNU2008201862104U patent/CN201297798Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403548B (en) * | 2008-10-15 | 2011-07-06 | 双良节能系统股份有限公司 | Steam type first-class lithium bromide absorption type heat pump units with dual-effect refrigeration function |
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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: 20100910 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100910 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 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20090826 Effective date of abandoning: 20081015 |