CN105423592B - Double-working-condition direct combustion dual effect type lithium bromide absorption type heat pump unit - Google Patents
Double-working-condition direct combustion dual effect type lithium bromide absorption type heat pump unit Download PDFInfo
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- CN105423592B CN105423592B CN201510972814.6A CN201510972814A CN105423592B CN 105423592 B CN105423592 B CN 105423592B CN 201510972814 A CN201510972814 A CN 201510972814A CN 105423592 B CN105423592 B CN 105423592B
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- hot water
- heat exchanger
- stop valve
- pipe
- pressure generator
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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
-
- 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)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The present invention relates to a kind of Double-working-condition direct combustion dual effect type lithium bromide absorption type heat pump unit, including evaporator（1）, absorber（2）, Direct Fired High Pressure Generator（7）, low pressure generator（11）, condenser（12）, high-temperature heat exchanger（4）And low temperature heat exchanger（3）, it is characterised in that：Unit has additional hot water heat exchanger（22）, in hot water heat exchanger（22）And Direct Fired High Pressure Generator（7）Between be provided with hot water heat exchanger steam inlet pipe（23）With water as refrigerant return duct（21）, in the generator feed tube of Direct Fired High Pressure Generator（8）It is provided with feed tube stop valve（20）, in the generator drain pipe of Direct Fired High Pressure Generator（6）It is provided with drain pipe stop valve（19）, refrigerant vapour stop valve is provided with refrigerant vapour pipe.The present invention can when having a surplus thermal source hot water by direct combustion dual effect type lithium bromide absorption type heat pump unit operation operating mode heat supply running, also can in no waste heat source hot water direct burning fuel heat supply running.
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 dual effect type lithium bromide absorption type heat pump unit as shown in figure 1, the unit by evaporator 1, inhale
Receive device 2, Direct Fired High Pressure Generator 7, low pressure generator 11, condenser 12, high-temperature heat exchanger 4, low temperature heat exchanger 3, molten
Liquid pump 16, cryogenic fluid pump 17, control system（Not shown in figure）And pipeline, the valve of connecting components are formed.During unit operation, with
Direct Fired High Pressure Generator 7 matches somebody with somebody the burning fuel of burner 5（Combustion gas, fuel oil）Caused heat as compensation heat energy, reclaim into
Go out the waste heat source the heat of hot water of evaporator 1, technique use or hot water for life of the temperature higher than waste heat source hot water temperature are externally provided.
This direct combustion dual effect type lithium bromide absorption type heat pump unit is mainly used in while has low-temperature heat source and a medium temperature heat demand
Place.But this unit can only be run by heat pump heat supply operating mode, once waste heat source hot water stage is cut off the water supply or temperature is too low, unit
It 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 dual effect type lithium bromide absorption type heat pump
Unit, can when having a surplus thermal source hot water by direct combustion dual effect type lithium bromide absorption type 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 dual effect type lithium bromide absorption type heat pump unit, bag
Include evaporator, absorber, Direct Fired High Pressure Generator, low pressure generator, condenser, high-temperature heat exchanger and low temperature heat exchange
Device, refrigerant vapour pipe is provided between Direct Fired High Pressure Generator and low pressure generator, it is characterised in that：The unit is set up
There is hot water heat exchanger, hot water heat exchanger steam inlet pipe and water as refrigerant are provided between hot water heat exchanger and Direct Fired High Pressure Generator
Return duct, feed tube stop valve is provided with the generator feed tube of Direct Fired High Pressure Generator, in Direct Fired High Pressure Generator
Generator drain pipe be provided with drain pipe stop valve, refrigerant vapour stop valve is provided with refrigerant vapour pipe.
Double-working-condition direct combustion dual effect type lithium bromide absorption type heat pump unit of the present invention, hot water heat exchanger water inlet pipe are connected to hot water and entered
On mouth pipe, hot water heat exchanger outlet pipe is connected on hot water outlet pipe.
Double-working-condition direct combustion dual effect type lithium bromide absorption type heat pump unit of the present invention, hot water heat exchanger water inlet pipe are provided with hot water
Heat exchanger water inlet stop valve, hot water heat exchanger outlet pipe are provided with hot water heat exchanger water outlet stop valve.
Double-working-condition direct combustion dual effect type lithium bromide absorption type heat pump unit of the present invention, absorber water inlet pipe enter provided with absorber
Water stop valve, leaving condenser water pipe are provided with leaving condenser water stop valve.
The beneficial effects of the invention are as follows：
The present invention by setting up hot water heat exchanger in conventional direct combustion dual effect type lithium bromide absorption type heat pump unit, while
Hot water heat exchanger steam inlet pipe and water as refrigerant return duct are provided between hot water heat exchanger and Direct Fired High Pressure Generator, in direct combustion type
The generator feed tube of high pressure generator is provided with feed tube stop valve, on the generator drain pipe of Direct Fired High Pressure Generator
Provided with drain pipe stop valve, refrigerant vapour stop valve is provided with refrigerant vapour pipe.Unit external system has available waste heat source
During hot water, feed tube stop valve, drain pipe stop valve and refrigerant vapour stop valve are opened, and waste heat source hot water is through remaining hot water inlet tube
Transported with waste heat water outlet pipe into and out of evaporator, unit by the heat supply of direct combustion dual effect type lithium bromide absorption type heat pump unit operation operating mode
OK.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）, feed tube
Stop valve, drain pipe stop valve and refrigerant vapour stop valve are closed, the direct burning fuel heat supply running of unit.
Brief description of the drawings
Fig. 1 is conventional direct combustion dual effect type lithium bromide absorption type heat pump set structure schematic diagram.
Fig. 2 is Double-working-condition direct combustion dual effect type lithium bromide absorption type heat pump set structure schematic diagram of the present invention.
Reference in figure：
It is evaporator 1, absorber 2, low temperature heat exchanger 3, high-temperature heat exchanger 4, burner 5, generator drain pipe 6, straight
Combustion type high pressure generator 7, generator feed tube 8, smoke exhaust pipe 9, refrigerant vapour pipe 10, low pressure generator 11, condenser 12, hot water
Outlet 13, waste heat water outlet pipe 14, remaining hot water inlet tube 15, solution pump 16, cryogenic fluid pump 17, hot water inlet pipe 18, drain pipe
Stop valve 19, feed tube stop valve 20, water as refrigerant return duct 21, hot water heat exchanger 22, hot water heat exchanger steam inlet pipe 23, cryogen steam
Vapour stop valve 24, hot water heat exchanger water inlet pipe 25, hot water heat exchanger outlet pipe 26, leaving condenser water stop valve 27, hot water heat exchange
Device water outlet stop valve 28, hot water heat exchanger water inlet stop valve 29, absorber water inlet stop valve 30, absorber water inlet pipe 31, condensation
Device outlet pipe 32.
Embodiment
Present invention unit as shown in Figure 2, the unit is by evaporator 1, absorber 2, Direct Fired High Pressure Generator 7, low pressure
Generator 11, condenser 12, hot water heat exchanger 22, high-temperature heat exchanger 4, low temperature heat exchanger 3, solution pump 16, cryogenic fluid pump 17,
Control system（Not shown in figure）And the Double-working-condition direct combustion dual effect type suction-type lithium bromide that pipeline, the valve of connecting components are formed
Source pump.Refrigerant vapour pipe 10 is provided between Direct Fired High Pressure Generator 7 and low pressure generator 11.In hot water heat exchanger 22
Hot water heat exchanger steam inlet pipe 23 and water as refrigerant return duct 21 are provided between Direct Fired High Pressure Generator 7, in direct combustion type high pressure
The generator feed tube 8 of generator 7 is provided with feed tube stop valve 20, in the generator drain pipe 6 of Direct Fired High Pressure Generator 7
Drain pipe stop valve 19 is provided with, refrigerant vapour stop valve 24 is provided with refrigerant vapour pipe 10.Hot water heat exchanger water inlet pipe
25 are connected on hot water inlet pipe 18, and hot water heat exchanger water inlet pipe 25 is provided with hot water heat exchanger water inlet stop valve 29；Hot water exchanges heat
Device outlet pipe 26 is connected on hot water outlet pipe 13, and hot water heat exchanger outlet pipe 26 is provided with hot water heat exchanger water outlet stop valve 28.
Absorber water inlet pipe 31 is provided with absorber water inlet stop valve 30, and leaving condenser water pipe 32 is provided with leaving condenser water stop valve
27。
When unit external system has available waste heat source hot water, feed tube stop valve 20, drain pipe stop valve 19, refrigerant vapour
Stop valve 24, absorber water inlet stop valve 30 and leaving condenser water stop valve 27 are opened, the hot water heat exchanger water inlet He of stop valve 29
Hot water heat exchanger water outlet stop valve 28 is closed, and waste heat source hot water is through remaining hot water inlet tube 15 and waste heat water outlet pipe 14 into and out of steaming
Device 1 is sent out, unit presses direct combustion dual effect type lithium bromide absorption type heat pump unit operation operating mode heat supply running, the method for operation and straight in the past
It is identical to fire dual effect type lithium bromide absorption type heat pump unit heat supply running operating mode.
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 20, drain pipe stop valve 19, refrigerant vapour stop valve 24, absorber water inlet stop valve 30 and leaving condenser water are cut
Only valve 27 is closed, and hot water heat exchanger water inlet stop valve 29 and hot water heat exchanger water outlet stop valve 28 are opened, solution pump 16 and cryogen
Pump 17 stalls, and the lithium-bromide solution caused by the burning fuel of burner 5 in heat Direct Fired High Pressure Generator 7 produces high temperature
Refrigerant vapour.The high temperature refrigerant vapour enters hot water heat exchanger 22 through hot water heat exchanger steam inlet pipe 23, is changed because heating flows through hot water
Hot water in the hot heat-exchanging tube bundle of device 22 and be condensed into water as refrigerant, water as refrigerant returns to direct combustion type high pressure through water as refrigerant return pipe 21 and occurred
In device 7.The hot water flowed through in the heat-exchanging tube bundle of hot water heat exchanger 22 is heated up, and going out unit through hot water outlet pipe 13 externally supplies
Heat.
Claims (1)
1. a kind of Double-working-condition direct combustion dual effect type lithium bromide absorption type heat pump unit, including evaporator（1）, absorber（2）, direct combustion type
High pressure generator（7）, low pressure generator（11）, condenser（12）, high-temperature heat exchanger（4）And low temperature heat exchanger（3）, straight
Combustion type high pressure generator（7）And low pressure generator（11）Between be provided with refrigerant vapour pipe（10）, it is characterised in that：The unit
Have additional hot water heat exchanger（22）, in hot water heat exchanger（22）And Direct Fired High Pressure Generator（7）Between be provided with hot water heat exchange
Device steam inlet pipe（23）With water as refrigerant return duct（21）, in Direct Fired High Pressure Generator（7）Generator feed tube（8）Be provided with into
Liquid pipe stop valve（20）, in Direct Fired High Pressure Generator（7）Generator drain pipe（6）It is provided with drain pipe stop valve（19）,
In refrigerant vapour pipe（10）On be provided with refrigerant vapour stop valve（24）；
Hot water heat exchanger water inlet pipe（25）It is connected to hot water inlet pipe（18）On, hot water heat exchanger outlet pipe（26）It is connected to hot water outlet
Pipe（13）On；Hot water inlet pipe（18）Hot water is introduced to absorber water inlet pipe successively（31）, absorber（2）, condenser（12）, it is cold
Condenser outlet pipe（32）Afterwards, then by hot water outlet pipe（13）Draw；
Hot water heat exchanger water inlet pipe（25）It is provided with hot water heat exchanger water inlet stop valve（29）, hot water heat exchanger outlet pipe（26）On
Provided with hot water heat exchanger water outlet stop valve（28）；
Absorber water inlet pipe（31）It is provided with absorber water inlet stop valve（30）, leaving condenser water pipe（32）Go out provided with condenser
Water stop valve（27）；
When unit external system has available waste heat source hot water, feed tube stop valve（20）, drain pipe stop valve（19）, refrigerant vapour
Stop valve（24）, absorber water inlet stop valve（30）With leaving condenser water stop valve（27）Open, hot water heat exchanger water inlet cut-off
Valve（29）With hot water heat exchanger water outlet stop valve（28）Close, waste heat source hot water is through remaining hot water inlet tube（15）With waste heat water out
Pipe（14）Into and out of evaporator（1）；
When unit external system not can use waste heat source hot water, feed tube stop valve（20）, drain pipe stop valve（19）, cryogen steam
Vapour stop valve（24）, absorber water inlet stop valve（30）With leaving condenser water stop valve（27）Close, hot water heat exchanger water inlet is cut
Only valve（29）With hot water heat exchanger water outlet stop valve（28）Open, solution pump（16）And cryogenic fluid pump（17）Stalling, burner（5）Combustion
Heat Direct Fired High Pressure Generator caused by fuel burning（7）Interior lithium-bromide solution produces high temperature refrigerant vapour；The high temperature
Refrigerant vapour is through hot water heat exchanger steam inlet pipe（23）Into hot water heat exchanger（22）, because heating flows through hot water heat exchanger（22）Heat exchange
Hot water in tube bank and be condensed into water as refrigerant, water as refrigerant is through water as refrigerant return duct（21）Return to Direct Fired High Pressure Generator（7）It is interior；
Flow through hot water heat exchanger（22）Hot water in heat-exchanging tube bundle is heated up, through hot water outlet pipe（13）Go out the external heat supply of unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510972814.6A CN105423592B (en) | 2015-12-23 | 2015-12-23 | Double-working-condition direct combustion dual effect type lithium bromide absorption type heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510972814.6A CN105423592B (en) | 2015-12-23 | 2015-12-23 | Double-working-condition direct combustion dual effect type lithium bromide absorption type heat pump unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105423592A CN105423592A (en) | 2016-03-23 |
| CN105423592B true CN105423592B (en) | 2018-02-02 |
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| CN201510972814.6A Active CN105423592B (en) | 2015-12-23 | 2015-12-23 | Double-working-condition direct combustion dual effect type lithium bromide absorption type heat pump unit |
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| CN106989535B (en) * | 2017-03-29 | 2020-09-01 | 上海电力学院 | Lithium bromide unit operation adjusting method based on gas distributed energy station |
| CN107560223B (en) * | 2017-09-26 | 2023-08-25 | 双良节能系统股份有限公司 | Hot water type lithium bromide absorption water chilling unit capable of effectively running |
| CN108444144B (en) * | 2018-04-25 | 2024-02-09 | 双良节能系统股份有限公司 | Hot water reverse series steam double-effect lithium bromide absorption heat pump unit |
| CN108518887A (en) * | 2018-04-25 | 2018-09-11 | 双良节能系统股份有限公司 | Direct combustion dual effect type lithium bromide absorption type heat pump unit with flue gas heat-exchange unit |
| CN108518888A (en) * | 2018-05-02 | 2018-09-11 | 双良节能系统股份有限公司 | The solution parallel connection type lithium bromide absorption type refrigeration heat pump unit of variable effect |
| CN108645071A (en) * | 2018-05-02 | 2018-10-12 | 双良节能系统股份有限公司 | The solution lithium bromide absorption type refrigeration heat pump of the falling tandem type unit of variable effect |
| 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 |
| CN108534393A (en) * | 2018-05-02 | 2018-09-14 | 双良节能系统股份有限公司 | The solution series type lithium bromide absorption type refrigeration heat pump unit of variable effect |
| CN110307665B (en) * | 2019-07-09 | 2024-06-18 | 双良节能系统股份有限公司 | Direct-fired lithium bromide absorption type cold water and heat pump unit |
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-
2015
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09269162A (en) * | 1996-03-29 | 1997-10-14 | Sanyo Electric Co Ltd | Absorbing type freezer |
| CN2371518Y (en) * | 1999-06-25 | 2000-03-29 | 华宏荪 | Lithium bromide machine set for generating multiple energy |
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| CN105423592A (en) | 2016-03-23 |
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