CN109028644A - A kind of open loop lithium bromide heat pump system - Google Patents
A kind of open loop lithium bromide heat pump system Download PDFInfo
- Publication number
- CN109028644A CN109028644A CN201810763962.0A CN201810763962A CN109028644A CN 109028644 A CN109028644 A CN 109028644A CN 201810763962 A CN201810763962 A CN 201810763962A CN 109028644 A CN109028644 A CN 109028644A
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- China
- Prior art keywords
- lithium bromide
- room
- pipeline
- heat
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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 heat pump systems, a kind of open loop lithium bromide heat pump system is disclosed, including vaporization chamber, absorption chamber and room occurs, vaporization chamber is conveyed the steam in it in absorption chamber by first pipe, lithium bromide diluted in it is transported to generation interior by second pipe by absorption chamber, room occurs, the lithium bromide being concentrated in it is transported in absorption chamber by third pipeline;Cryogen water tank is connected to by the 4th pipeline with vaporization chamber, indoor coiling, which occurs, the first heat-exchange tube, outflow occurs room, the 5th pipeline for feeding secondary steam to heating equipment to be equipped on generation room after the indoor diluted lithium bromide of high-temperature steam and generation in first heat-exchange tube carries out heat exchange;Vacuum receiver for sloughing air in water is installed on the 4th pipeline.Water as refrigerant of the invention is the not circulatory system of opening a way, and therefore, heat pump absorbs how many tons of water from vaporization chamber, so that it may from how many tons of steam of room output occur, can get the high-temperature steam for having utility value while so that user is obtained refrigerating capacity.
Description
Technical field
The present invention relates to heat pump system more particularly to a kind of open loop lithium bromide heat pump systems.
Background technique
The water as refrigerant of existing lithium bromide heat pump is evaporated in vaporization chamber, is generated steam and is entered absorption chamber, in absorption chamber
It is brominated lithium-absorbing, the lithium bromide for absorbing water vapour, which is sent to, occurs room evaporation, generates secondary steam, secondary steam enters cold
Solidifying room is condensed into water, and enters vaporization chamber and be recycled, and the temperature that the secondary steam that room generates occurs at this time is higher, there is utilization
Value, and the prior art does not utilize the heat, but emptied by condenser by cooling tower, it has not only wasted advantageous
With the thermal energy of the secondary steam of value, the burden of cooling tower is also greatly increased.
Summary of the invention
The present invention provides a kind of open loop bromination for that cannot make full use of the shortcomings that indoor heat occurs in the prior art
Lithium heat pump system.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals:
A kind of open loop lithium bromide heat pump system, including vaporization chamber, absorption chamber and generation room, vaporization chamber will by first pipe
In steam conveying absorption chamber in it, lithium bromide diluted in it is transported to generation interior, hair by second pipe by absorption chamber
The lithium bromide being concentrated in it is transported in absorption chamber by raw room by third pipeline;It further include cryogen water tank, cryogen water tank passes through
4th pipeline is connected to vaporization chamber, and indoor coiling, which occurs, the first heat-exchange tube, high-temperature steam and hair in the first heat-exchange tube
Room occurs for outflow after the raw diluted lithium bromide progress heat exchange in interior, occurs to be equipped on room hot to using for feeding secondary steam
5th pipeline of equipment;Vacuum receiver for sloughing air in water is installed on the 4th pipeline.Lithium bromide heat of the invention
Pump, water as refrigerant vaporization chamber evaporate generate steam, into absorption chamber, after absorption chamber is brominated lithium-absorbing, into occur room,
Room occurs to be evaporated by high-temperature steam, generates secondary steam, secondary steam is as heat source outwardly heat supply.What vaporization chamber had evaporated
Water is supplemented by the external world.The key point of traditional lithium bromide absorption type heat pump is outside present invention difference, traditional lithium bromide heat pump
Water as refrigerant is closed circuit circulatory system, it can not provide secondary steam to outside, wastes this part energy, also increases
The internal circulating load of cooling water.Water as refrigerant of the invention is the not circulatory system of opening a way, and therefore, how many ton absorbed from vaporization chamber for heat pump
Water, so that it may which, from how many tons of steam of room output occur, can get while making user obtain refrigerating capacity has the high temperature of utility value to steam
Vapour, while the cooling water internal circulating load of water cooler of the invention reduces half than conventional rack.In the supply port of water as refrigerant
Place's setting vacuum receiver, extracts the air being dissolved in water out, prevents supplement water from bringing oxygen into, influences the vacuum degree of unit.
Preferably, not including condenser, the secondary steam of the 5th pipeline to heating equipment becomes temperature than input
When the lower gaseous state of secondary steam temperature or liquid medium, the lower gaseous state of temperature or liquid medium do not enter condenser, temperature
Lower gaseous state or liquid medium are spent to not be recycled into vaporization chamber.
Preferably, vaporization chamber inner disc is wound with for outwardly providing the second heat-exchange tube of cold source, the second heat-exchange tube
Interior chilled water exports vaporization chamber after carrying out cold and hot exchange by vaporization chamber, and the vacuum pump communicated therewith is equipped on vaporization chamber.
In vacuum pump vacuum, evaporates indoor pressure and reduce, water is vaporized into steam so as to cause cryogen.
Preferably, the upper end of vaporization chamber is connected to the upper end of absorption chamber by first pipe.The density of steam is small,
So steam swims in upper end, first pipe, which to evaporate indoor steam, to be able to enter in absorption chamber.
Preferably, absorption chamber inner disc is wound with third heat-exchange tube, the cooling water in third heat-exchange tube passes through absorption chamber
Absorption chamber is exported after carrying out cold and hot exchange.Indoor dense lithium bromide is absorbed when absorbing steam, discharges heat, third heat-exchange tube
Interior cooling water can export higher temperature after carrying out cold and hot exchange, and the heat discharged in lithium bromide dilution is utilized from point
Amount.
Preferably, the lower end of absorption chamber is connected to the upper end that room occurs by second pipe, pacify on second pipe
Equipped with the first pump.Dilute lithium bromide of absorption chamber bottom is pumped to generation interior by the first pump.
Preferably, the lower end that room occurs is connected to the upper end of absorption chamber by third pipeline, pacify on third pipeline
Equipped with the second pump, the atomizer that quantity is at least one is installed in absorption chamber, atomizer is connected to third pipeline.It absorbs
The water in dilute lithium bromide is evaporated in room, to be condensed into dense lithium bromide, dense lithium bromide passes through in third pipeline to absorption chamber again
Secondary to be utilized, atomizer contacts dense lithium bromide with steam sufficiently.
Preferably, being equipped with third pump on the 4th pipeline, third pump is mounted between vacuum receiver and cryogen water tank.
The present invention is due to using above technical scheme, with significant technical effect:
The key point of traditional lithium bromide absorption type heat pump is outside present invention difference, the water as refrigerant of traditional lithium bromide heat pump
It is closed circuit circulatory system, it can not provide secondary steam to outside, waste this part energy.Cryogen of the invention
Water is the not circulatory system of opening a way, and therefore, heat pump absorbs 1 ton of water from vaporization chamber, so that it may from 1 ton of steam of room output occurs, make user
It can get the high-temperature steam for having utility value while obtaining refrigerating capacity.
The water as refrigerant of abandoning tradition of the present invention is recycled, and supplements water as refrigerant in vaporization chamber, in the supply port of water as refrigerant
Place's setting vacuum receiver, extracts the air being dissolved in water out, prevents supplement water from bringing oxygen into, influences the vacuum degree of unit.
Beneficial effect of the invention is: 1, reducing cooling cycle water;2, the discharge of waste heat is reduced;3, refrigerating capacity is obtained
Valuable heat is obtained simultaneously.
Detailed description of the invention
Fig. 1 is system schematic of the invention.
The toponym that each number designation is referred in the figures above is as follows: where 10-vaporization chambers, 11-absorption chambers,
12-occur rooms, 13-first pipes, 14-second pipes, 15-third pipelines, 16-cryogen water tanks, the 17-the four pipeline,
18-the first heat-exchange tube, the 19-the five pipeline, the 20-the second heat-exchange tube, 21-vacuum pumps, 22-third heat-exchange tubes,
23-the first pump, the 24-the second pump, 25-atomizers, 26-vacuum receivers, 27-thirds pump.
Specific embodiment
Present invention is further described in detail with embodiment with reference to the accompanying drawing.
Embodiment 1
A kind of open loop lithium bromide heat pump system, as shown in Figure 1, including vaporization chamber 10, absorption chamber 11 and generation room 12, evaporation
Room 10 is conveyed the steam in it in absorption chamber 11 by first pipe 13, and absorption chamber 11 will be diluted by second pipe 14 in it
Lithium bromide be transported to and occur in room 12, room 12 occurs by third pipeline 15, the lithium bromide being concentrated in it is transported to absorption chamber
In 11;It further include cryogen water tank 16, cryogen water tank 16 is connected to vaporization chamber 10 by the 4th pipeline 17, is installed on the 4th pipeline 17
There is the vacuum receiver 26 for sloughing air in water.Vacuum receiver 26, extraction dissolution are set at the supply port of water as refrigerant
Air in water prevents supplement water from bringing oxygen into, influences the vacuum degree of unit.Water as refrigerant is stored in cryogen water tank 16, when
After water as refrigerant in vaporization chamber 10 is evaporated, the water as refrigerant of cryogen water tank 16 is added in vaporization chamber 10, and coiling in room 12 occurs
There is the first heat-exchange tube 18, diluted lithium bromide carries out heat exchange in the high-temperature steam in the first heat-exchange tube 18 and generation room 12
Room 12 occurs for outflow afterwards, and flowing has 160 DEG C of life steam in the first heat-exchange tube 18, and 160 DEG C of life steam will in generation room 12
Water evaporation in dilute lithium bromide comes out, and after cold and hot exchange, 160 DEG C of life vapor (steam) temperature is reduced to 130 DEG C and by the first heat
It exchanges the output of pipe 18 and room 12 occurs, dilute lithium bromide is formed by evaporation to secondary steam, and the temperature of secondary steam can reach 70 at this time
DEG C, occur that the 5th pipeline 19 for feeding secondary steam to heating equipment is installed on room 12, people can apply secondary steaming
The heat of vapour, such as: it is heated to the water in water heater heating, access kitchen feed pipe.
It does not include condenser, it is secondary when the secondary steam that the 5th pipeline 19 is transported to heating equipment becomes temperature than input
The lower gaseous state of vapor (steam) temperature or liquid medium, the lower gaseous state of temperature or liquid medium do not enter condenser, and temperature is lower
Gaseous state or liquid medium be not to be recycled into vaporization chamber 10.
10 inner disc of vaporization chamber is wound with for outwardly providing the second heat-exchange tube 20 of cold source, in the second heat-exchange tube 20
Chilled water exports vaporization chamber 10 after carrying out cold and hot exchange by vaporization chamber 10, is equipped with the vacuum pump communicated therewith on vaporization chamber 10
21, vaporization chamber 10 is interior to evaporate water as refrigerant, and the temperature in vaporization chamber 10 reduces, 11 DEG C of input of freezing in the second heat-exchange tube 20
Water, temperature has reformed into 6 DEG C when output.
The upper end of vaporization chamber 10 is connected to the upper end of absorption chamber 11 by first pipe 13, and the density of steam is small, institute
Upper end is swum in steam, first pipe 13 is able to enter the steam in vaporization chamber 10 in absorption chamber 11.
11 inner disc of absorption chamber is wound with third heat-exchange tube 22, the cooling water in third heat-exchange tube 22 by absorption chamber 11 into
Absorption chamber 11 is exported after the cold and hot exchange of row.Dense lithium bromide in absorption chamber 11 discharges heat, third heat exchange when absorbing steam
Cooling water in pipe 22 can export higher temperature after carrying out cold and hot exchange, discharge in lithium bromide dilution from point being utilized
Heat.
The lower end of absorption chamber 11 is connected to the upper end that room 12 occurs by second pipe 14, is installed on second pipe 14
There is the first pump 23.First pump 23, which pumps to dilute lithium bromide of 11 bottom of absorption chamber, to be occurred in room 12.
The lower end that room 12 occurs is connected to the upper end of absorption chamber 11 by third pipeline 15, is installed on third pipeline 15
There is the second pump 24, the atomizer 25 that quantity is at least one, atomizer 25 and third pipeline 15 are installed in absorption chamber 11
Connection.Absorption chamber 11 evaporates the water in dilute lithium bromide, to be condensed into dense lithium bromide, dense lithium bromide is conveyed by third pipeline 15
It is utilized again in absorption chamber 11, atomizer 25 contacts dense lithium bromide with steam sufficiently.
Third pump 27 is installed on the 4th pipeline 17, third pump 27 be mounted on vacuum receiver 26 and cryogen water tank 16 it
Between.
In short, the foregoing is merely presently preferred embodiments of the present invention, it is all according to equalization made by scope of the present invention patent
Variation and modification, shall all be covered by the patent of the invention.
Claims (8)
1. a kind of open loop lithium bromide heat pump system, including vaporization chamber (10), absorption chamber (11) and generation room (12), vaporization chamber (10)
By first pipe (13) by steam conveying absorption chamber (11) in it, absorption chamber (11) will be in it by second pipe (14)
Diluted lithium bromide, which is transported to, to be occurred in room (12), and it is by third pipeline (15) that the lithium bromide being concentrated in it is defeated that room (12) occur
It is sent in absorption chamber (11);It is characterized by also including cryogen water tank (16), cryogen water tank (16) by the 4th pipeline (17) with
Vaporization chamber (10) connection occurs room (12) inner disc and is wound with the first heat-exchange tube (18), and the high temperature in the first heat-exchange tube (18) steams
With outflow after diluted lithium bromide in room (12) carries out heat exchange occurs room (12) occur for vapour, are equipped with and are used in generation room (12)
Fiveth pipeline (19) of the feeding secondary steam to heating equipment;It is equipped on 4th pipeline (17) for sloughing the true of air in water
Empty degassing tank (26).
2. a kind of open loop lithium bromide heat pump system according to claim 1, it is characterised in that: it does not include condenser, the 5th
The secondary steam that pipeline (19) is transported to heating equipment becomes the lower gaseous state of secondary steam temperature of the temperature than input when or liquid
State medium, the lower gaseous state of temperature or liquid medium do not enter condenser, the lower gaseous state of temperature or liquid medium to not follow
Ring enters vaporization chamber (10).
3. a kind of open loop lithium bromide heat pump system according to claim 1, it is characterised in that: vaporization chamber (10) inner disc is wound with
For outwardly providing the second heat-exchange tube (20) of cold source, the chilled water in the second heat-exchange tube (20) passes through vaporization chamber (10)
Vaporization chamber (10) are exported after carrying out cold and hot exchange, the vacuum pump (21) communicated therewith is installed on vaporization chamber (10).
4. a kind of open loop lithium bromide heat pump system according to claim 1, it is characterised in that: the upper end of vaporization chamber (10)
It is connected to the upper end of absorption chamber (11) by first pipe (13).
5. a kind of open loop lithium bromide heat pump system according to claim 1, it is characterised in that: absorption chamber (11) inner disc is wound with
Third heat-exchange tube (22), cooling water in third heat-exchange tube (22) export after cold and hot exchange inhaling by absorption chamber (11)
It receives room (11).
6. a kind of open loop lithium bromide heat pump system according to claim 1, it is characterised in that: the lower end of absorption chamber (11)
It is connected to the upper end that room (12) occur by second pipe (14), the first pump (23) is installed on second pipe (14).
7. a kind of open loop lithium bromide heat pump system according to claim 1, it is characterised in that: the lower end of room (12) occurs
It is connected to the upper end of absorption chamber (11) by third pipeline (15), is equipped with the second pump (24), absorbs on third pipeline (15)
The atomizer (25) that quantity is at least one is installed in room (11), atomizer (25) is connected to third pipeline (15).
8. a kind of open loop lithium bromide heat pump system according to claim 1, it is characterised in that: installed on the 4th pipeline (17)
There is third to pump (27), third pump (27) is mounted between vacuum receiver (26) and cryogen water tank (16).
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CN201810763962.0A CN109028644A (en) | 2018-07-12 | 2018-07-12 | A kind of open loop lithium bromide heat pump system |
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CN201810763962.0A CN109028644A (en) | 2018-07-12 | 2018-07-12 | A kind of open loop lithium bromide heat pump system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111795515A (en) * | 2020-07-09 | 2020-10-20 | 五邑大学 | Lithium bromide refrigerating system |
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CN103604243A (en) * | 2013-11-12 | 2014-02-26 | 清华大学 | Spray-type air-source absorption heat pump |
CN104089430A (en) * | 2014-07-22 | 2014-10-08 | 清华大学 | Sprinkling open type absorption heat pump system capable of recycling waste heat of airflow containing moisture |
CN106369866A (en) * | 2016-09-20 | 2017-02-01 | 东北石油大学 | Waste steam directly absorbed type double-effect lithium bromide heat pump system and working method thereof |
CN107328133A (en) * | 2017-07-17 | 2017-11-07 | 昊姆(上海)节能科技有限公司 | Direct combustion type open type absorbent unit |
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Patent Citations (9)
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CN101566404A (en) * | 2007-04-19 | 2009-10-28 | 北京科技大学 | System and method for transforming low temperature residual heat into steam |
CN201535593U (en) * | 2009-11-18 | 2010-07-28 | 彭奇凡 | Solution priming device for lithium bromide absorptive-type refrigerator |
CN102287957A (en) * | 2011-07-18 | 2011-12-21 | 清华大学 | Open absorption heat pump |
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CN103604243A (en) * | 2013-11-12 | 2014-02-26 | 清华大学 | Spray-type air-source absorption heat pump |
CN104089430A (en) * | 2014-07-22 | 2014-10-08 | 清华大学 | Sprinkling open type absorption heat pump system capable of recycling waste heat of airflow containing moisture |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111795515A (en) * | 2020-07-09 | 2020-10-20 | 五邑大学 | Lithium bromide refrigerating system |
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