CN105402927B - Double-working-condition direct combustion single-effect lithiumbromide absorption type heat pump assembly - Google Patents
Double-working-condition direct combustion single-effect lithiumbromide absorption type heat pump assembly Download PDFInfo
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- CN105402927B CN105402927B CN201510972818.4A CN201510972818A CN105402927B CN 105402927 B CN105402927 B CN 105402927B CN 201510972818 A CN201510972818 A CN 201510972818A CN 105402927 B CN105402927 B CN 105402927B
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- Prior art keywords
- water
- stop valve
- direct combustion
- refrigerant
- hot water
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/04—Heat pumps of the sorption type
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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
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The present invention relates to a kind of Double-working-condition direct combustion single-effect lithiumbromide absorption type heat pump assembly, including evaporator（1）, absorber（2）, direct combustion type generator（6）, condenser（10）And solution heat exchanger（3）, in condenser（10）And evaporator（1）Between be connected with water as refrigerant U-tube（12）, it is characterised in that：Condenser（10）With direct combustion type generator（6）Between be provided with water as refrigerant return duct（21）, direct combustion type generator（6）Generator feed tube（7）It is provided with feed tube stop valve（19）, direct combustion type generator（6）Generator drain pipe（5）It is provided with drain pipe stop valve（18）, water as refrigerant U-tube（12）It is provided with U-tube stop valve（22）.The present invention can be when having a surplus thermal source hot water by direct combustion single-effect lithiumbromide absorption heat pump unit operation operating mode heat supply running, also can in no waste heat source hot water direct burning fuel heat supply running, meet the heat demand when cutout of interim waste heat source hot water or too low waste heat source hot water temperature.
Description
Technical field
The present invention relates to a kind of suction-type lithium bromide thermal power plant unit.Belong to air conditioner technical field.
Background technology
A kind of conventional direct combustion single-effect lithiumbromide absorption type heat pump assembly as shown in figure 1, the unit by evaporator 1, inhale
Receive device 2, direct combustion type generator 6, condenser 10, solution heat exchanger 3, solution pump 15, cryogenic fluid pump 16, control system（In figure not
Show）And pipeline, the valve of connecting components are formed.During unit operation, the burning combustion of burner 4 is matched somebody with somebody with direct combustion type generator 6
Material（Combustion gas, fuel oil）Caused heat the waste heat source the heat of hot water of recovery disengaging evaporator 1, externally provides as compensation heat energy
Temperature is used higher than the technique of waste heat source hot water temperature or hot water for life.This direct combustion single-effect lithiumbromide absorption type heat pump assembly
It is mainly used in while there is low-temperature heat source and the place of medium temperature heat demand.But this unit can only be transported by heat pump heat supply operating mode
OK, once waste heat source hot water stage is cut off the water supply or temperature is too low, unit can only stall, it is impossible to external heat supply.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency, there is provided a kind of Double-working-condition direct combustion single-effect lithiumbromide absorption heat pump
Unit, can when having a surplus thermal source hot water by direct combustion single-effect lithiumbromide absorption heat pump unit operation operating mode heat supply running,
Can in no waste heat source hot water direct burning fuel heat supply running, meet the cutout of interim waste heat source hot water or waste heat source hot water
Heat demand when temperature is too low.
The object of the present invention is achieved like this：A kind of Double-working-condition direct combustion single-effect lithiumbromide absorption type heat pump assembly, bag
Evaporator, absorber, direct combustion type generator, condenser and solution heat exchanger are included, is connected between condenser and evaporator
Water as refrigerant U-tube, it is characterised in that：Water as refrigerant return duct, generator feed liquor are provided between condenser and direct combustion type generator
Pipe is provided with feed tube stop valve, and generator drain pipe is provided with drain pipe stop valve, and water as refrigerant U-tube is cut provided with U-tube
Only valve.
A kind of Double-working-condition direct combustion single-effect lithiumbromide absorption type heat pump assembly of the present invention, is provided with water as refrigerant return duct
Water as refrigerant stop valve.
The beneficial effects of the invention are as follows：
The present invention between the condenser and generator of conventional direct combustion single-effect lithiumbromide absorption type heat pump assembly by setting
Water as refrigerant return duct is put, while feed tube stop valve is provided with the generator feed tube of direct combustion generator, in direct combustion generator
Generator drain pipe be provided with drain pipe stop valve, U-tube stop valve is provided with water as refrigerant U-tube.Unit external system
When having available waste heat source hot water, feed tube stop valve, drain pipe stop valve and U-tube stop valve are opened, more than waste heat source hot water warp
Hot water inlet pipe and waste heat water outlet pipe press direct combustion single-effect lithiumbromide absorption heat pump unit operation into and out of evaporator, unit
Operating mode heat supply running.When unit external system not can use waste heat source hot water（Waste heat source hot water stops or cut because temperature is too low
It is disconnected）, feed tube stop valve, drain pipe stop valve and the closing of U-tube stop valve, the direct burning fuel heat supply running of unit.
Brief description of the drawings
Fig. 1 is conventional direct combustion single-effect lithiumbromide absorption heat pump set structure schematic diagram.
Fig. 2 is Double-working-condition direct combustion single-effect lithiumbromide absorption heat pump set structure schematic diagram of the present invention.
Reference in figure：
Evaporator 1, absorber 2, solution heat exchanger 3, burner 4, generator drain pipe 5, direct combustion type generator 6, hair
Raw device feed tube 7, smoke exhaust pipe 8, refrigerant vapour pipe 9, condenser 10, hot water outlet pipe 11, water as refrigerant U-tube 12, remaining hot water go out
Mouth pipe 13, remaining hot water inlet tube 14, solution pump 15, cryogenic fluid pump 16, hot water inlet pipe 17, drain pipe stop valve 18, feed tube are cut
Only valve 19, water as refrigerant stop valve 20, water as refrigerant return duct 21, U-tube stop valve 22.
Embodiment
Present invention unit as shown in Figure 2, the unit be by evaporator 1, absorber 2, direct combustion type generator 6, condenser 10,
Solution heat exchanger 3, solution pump 15, cryogenic fluid pump 16, control system（Not shown in figure）And pipeline, the valve institute structure of connecting components
Into Double-working-condition direct combustion single-effect lithiumbromide absorption type heat pump assembly.It is provided between condenser 10 and direct combustion type generator 6
Water as refrigerant return duct 21 with water as refrigerant stop valve 20, band U-tube stop valve 22 is provided between condenser 10 and evaporator 1
Water as refrigerant U-tube 12, feed tube stop valve 19 is provided with the generator feed tube 7 of direct combustion type generator 6, direct combustion type send out
The generator drain pipe 5 of raw device 6 is provided with drain pipe stop valve 18.
When unit external system has available waste heat source hot water, feed tube stop valve 19, drain pipe stop valve 18 and U-tube are cut
Only valve 22 is opened, and water as refrigerant stop valve 20 is closed, waste heat source hot water through remaining hot water inlet tube 14 and waste heat water outlet pipe 13 into and out of
Evaporator 1, unit press direct combustion single-effect lithiumbromide absorption heat pump unit operation operating mode heat supply running, the method for operation with it is conventional
Direct combustion single-effect lithiumbromide absorption type heat pump assembly heat supply running operating mode is identical.
When unit external system not can use waste heat source hot water（Waste heat source hot water stops or is cut off because temperature is too low）, enter
Liquid pipe stop valve 19, drain pipe stop valve 18 and U-tube stop valve 22 are closed, and water as refrigerant stop valve 20 is opened, the He of solution pump 15
Cryogenic fluid pump 16 stalls, and the lithium-bromide solution caused by the burning fuel of burner 4 in heat direct combustion type generator 6 produces high temperature
Cryogen cold air.The high temperature refrigerant vapour enters condenser 10 through refrigerant vapour pipe 9, because heating is flowed through in the heat-exchanging tube bundle of condenser 10
Hot water and be condensed into water as refrigerant, water as refrigerant is returned in direct combustion type generator 6 through water as refrigerant return duct 21.Condenser 10 is flowed through to change
Hot water in heat pipe bundle is heated up, and goes out the external heat supply of unit through hot water outlet pipe 11.
Claims (1)
1. a kind of Double-working-condition direct combustion single-effect lithiumbromide absorption type heat pump assembly, including evaporator（1）, absorber（2）, direct combustion type
Generator（6）, condenser（10）And solution heat exchanger（3）, in condenser（10）And evaporator（1）Between be connected with water as refrigerant
U-tube（12）, it is characterised in that：Condenser（10）With direct combustion type generator（6）Between be provided with water as refrigerant return duct（21）, directly
Combustion type generator（6）Generator feed tube（7）It is provided with feed tube stop valve（19）, direct combustion type generator（6）Generator
Drain pipe（5）It is provided with drain pipe stop valve（18）, water as refrigerant U-tube（12）It is provided with U-tube stop valve（22）；In water as refrigerant
Return duct（21）On be provided with water as refrigerant stop valve（20）；When unit external system has available waste heat source hot water, feed tube cut-off
Valve（19）, drain pipe stop valve（18）With U-tube stop valve（22）Open, water as refrigerant stop valve（20）Close, waste heat source hot water
Through remaining hot water inlet tube（14）With waste heat water outlet pipe（13）Into and out of evaporator（1）, unit is by the absorption of direct combustion single-effect lithiumbromide
Formula heat pump heat supply mode is run；
When unit external system not can use waste heat source hot water, feed tube stop valve（19）, drain pipe stop valve（18）And U-tube
Stop valve（22）Close, water as refrigerant stop valve（20）Open, solution pump（15）And cryogenic fluid pump（16）Stalling, burner（4）Burning
Heat direct combustion type generator caused by fuel（6）Interior lithium-bromide solution produces high temperature cryogen cold air；The high temperature cryogen steams
Vapour is through refrigerant vapour pipe（9）Into condenser（10）, because heating flows through condenser（10）Hot water in heat-exchanging tube bundle and be condensed into
Water as refrigerant, water as refrigerant is through water as refrigerant return duct（21）Return to direct combustion type generator（6）It is interior；Flow through condenser（10）In heat-exchanging tube bundle
Hot water be heated up, through hot water outlet pipe（11）Go out the external heat supply of unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510972818.4A CN105402927B (en) | 2015-12-23 | 2015-12-23 | Double-working-condition direct combustion single-effect lithiumbromide absorption type heat pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510972818.4A CN105402927B (en) | 2015-12-23 | 2015-12-23 | Double-working-condition direct combustion single-effect lithiumbromide absorption type heat pump assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105402927A CN105402927A (en) | 2016-03-16 |
| CN105402927B true CN105402927B (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510972818.4A Active CN105402927B (en) | 2015-12-23 | 2015-12-23 | Double-working-condition direct combustion single-effect lithiumbromide absorption type heat pump assembly |
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| CN (1) | CN105402927B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444147B (en) * | 2018-04-25 | 2024-04-12 | 双良节能系统股份有限公司 | Hot water reverse series direct combustion double-effect lithium bromide absorption heat pump unit |
| CN108444145B (en) * | 2018-05-02 | 2023-09-26 | 双良节能系统股份有限公司 | First-class lithium bromide heat pump unit with peak heating function |
| CN110173928B (en) * | 2019-06-24 | 2024-03-19 | 双良节能系统股份有限公司 | Direct-fired lithium bromide absorption heat pump unit with double-effect refrigeration function |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4062479B2 (en) * | 2001-02-14 | 2008-03-19 | 本田技研工業株式会社 | Absorption air conditioner |
| CN102650467A (en) * | 2012-04-25 | 2012-08-29 | 深圳力合电力工程有限公司 | Single-effect mixed heat pump unit and double-effect mixed heat pump unit |
| CN203501546U (en) * | 2013-10-08 | 2014-03-26 | 双良节能系统股份有限公司 | Direct-fired triple-purpose lithium bromide absorption cold and hot water set with dual-energy-saving device |
| CN103512272B (en) * | 2013-10-08 | 2015-07-01 | 双良节能系统股份有限公司 | Direct-fired three-purpose-type lithium bromide absorption-type cold and hot water unit with double energy-saving devices |
| CN205279506U (en) * | 2015-12-23 | 2016-06-01 | 双良节能系统股份有限公司 | Duplex condition direct combustion single -action type lithium bromide absorption heat pump unit |
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| CN105402927A (en) | 2016-03-16 |
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