CN104930747B - A kind of second-kind absorption-type heat pump - Google Patents
A kind of second-kind absorption-type heat pump Download PDFInfo
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- CN104930747B CN104930747B CN201510400132.8A CN201510400132A CN104930747B CN 104930747 B CN104930747 B CN 104930747B CN 201510400132 A CN201510400132 A CN 201510400132A CN 104930747 B CN104930747 B CN 104930747B
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 63
- 239000006200 vaporizer Substances 0.000 claims abstract description 47
- 239000006096 absorbing agent Substances 0.000 claims abstract description 33
- 239000002918 waste heat Substances 0.000 claims description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000000498 cooling water Substances 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 7
- 230000008020 evaporation Effects 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 38
- 239000003795 chemical substances by application Substances 0.000 description 14
- 239000007788 liquid Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000008676 import Effects 0.000 description 4
- 239000002775 capsule Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229940059936 lithium bromide Drugs 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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
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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
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/04—Arrangement or mounting of control or safety devices for sorption type machines, plants or systems
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/197—Pressures of the evaporator
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
- F25B2700/21171—Temperatures of an evaporator of the fluid cooled by the evaporator
- F25B2700/21172—Temperatures of an evaporator of the fluid cooled by the evaporator at the inlet
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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
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
-
- 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
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
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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)
- Combustion & Propulsion (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention discloses a kind of second-kind absorption-type heat pump, the second-kind absorption-type heat pump includes generator, condenser, high temperature absorber, high-temperature evaporator, low temperature absorption device, cryogenic vaporizer；Part is by Pipeline transport to high-temperature evaporator after medium in low temperature absorption device heat exchanger tube exchanges heat with solution, for producing the steam needed for two level temperature elevation system high temperature absorber；Another part is delivered to outside unit, for producing or directly as outside thermal source；The heat pump can produce low-grade heat source and high-grade thermal source simultaneously, the warm single-stage of heat pump i.e. provided in this article, the class heat pump of two level two are integrated, and the floor space of this paper heat pumps is smaller, greatly save the installing space of heat pump, therefore be advantageously applied in installation environment constrained environment, expand the application of two class source pumps.Meanwhile user can be allowed according to process requirements and working condition, carry out the selection of single-stage, two level, when heat pump run under optimum condition, obtain optimal energy-saving effect.
Description
Technical field
The present invention relates to technical field of heat exchange, more particularly to a kind of second-kind absorption-type heat pump.
Background technology
Second-kind absorption-type heat pump is warming heat pump, and it utilizes a large amount of middle used heat of grade and the heat of low-temperature cooling water
Potential difference produces that heat is few but temperature is higher than the heat of middle grade used heat, and heat demand is used so as to meet that user is high-grade.
At present, second-kind absorption-type heat pump mainly has two kinds：Single-stage heating second-kind absorption-type heat pump (hereinafter referred to as single-stage
Heat up heat pump) and two level heating second-kind absorption-type heat pump (hereinafter referred to as two level heating heat pump).Single-stage the second class of heating absorbs
Formula heat pump, the high-grade heating agent and the temperature rise amplitude of low-grade heat source produced are smaller, but the thermal efficiency is high；Two level the second class of heating
The high-grade heating agent of absorption heat pump and the temperature rise amplitude of low-grade heat source are high, but the thermal efficiency is relatively low.
Two level heating heat pump is higher than the heat medium temperature that single-stage heating heat pump is produced it can be seen from above description, two heat pumps
Difference be：Two level heating heat pump increases high temperature absorber, high-temperature evaporator on the basis of single-stage heats up heat pump.
Single-stage heating heat pump mainly includes generator, condenser, absorber, evaporator, heat exchanger, two level heating heat pump
High temperature absorber, high-temperature evaporator, height temperature heat exchanger are still further comprised, the high temperature heating agent that single-stage heating heat pump is produced carries
High-temperature evaporator is supplied, more high-grade heating agent is produced by high temperature absorber.
At present, for needing the occasion of high-grade heating agent and low-grade heating agent simultaneously, generally require and be separately provided single-stage liter
Pump and two level heating heat pump are warmed, the heating agent of different grades is produced respectively using two kinds of heat pumps, with for users to use.
For the occasion of a variety of quality thermal source demands, the installing space needed for two kinds of unit is installed and just accordingly compared
Greatly, not only increase the use cost of unit, and greatly limit second-kind absorption-type heat pump and be limited occasion in installing space
Using.
Therefore, a kind of second-kind absorption-type heat pump how is provided, the heat pump can reduce a variety of quality thermal source demand occasions
Use cost, and machine packet size is relatively small, expands the application of second-kind absorption-type heat pump, is technology in the art
Personnel's technical problem urgently to be resolved hurrily.
The content of the invention
For the purpose of the present invention to provide second-kind absorption-type heat pump, the heat pump can produce more low-quality, higher quality simultaneously
Heating agent, unit floor space is smaller, greatly reduces the use cost of source pump, and expands second-kind absorption-type heat pump
Application.
In order to solve the above technical problems, the present invention provides a kind of second-kind absorption-type heat pump, including generator, condenser,
High temperature absorber, high-temperature evaporator, low temperature absorption device, cryogenic vaporizer；Medium in the low temperature absorption device heat exchanger tube with it is molten
Part is by Pipeline transport to the high-temperature evaporator after liquid heat exchange, for producing high temperature absorber described in two level temperature elevation system
Required steam；Another part is delivered to outside unit, for producing or directly as outside thermal source.
It is presented herein compared with using single-stage, the two kinds of second-kind absorption-type heat pump of two level in the prior art
Second-kind absorption-type heat pump can produce low-grade heat source and high-grade thermal source, i.e., the warm list of heat pump provided in this article simultaneously
Level, the class heat pump of two level two are integrated, and the module of second-kind absorption-type heat pump herein and the class of prior art two level second
The module of absorption heat pump is essentially identical, compared with existing setting single-stage, the class heat pump of two level two, the floor space ratio of this paper heat pumps
It is smaller, the installing space of heat pump is greatlyd save, while reduce initial cost.
In addition, the volume of this paper source pumps is smaller, it is advantageously applied in installation environment constrained environment, expands two
The application of class source pump.
Optionally, the heat exchanger tube inside the low temperature absorption device has two groups：First set of heat exchange tubes and the second set of heat exchange tubes,
Medium in first set of heat exchange tubes forms circulation line, the first set of heat exchange tubes output medium with the high-temperature evaporator
For producing steam needed for the high temperature absorber；
The inlet and outlet of second set of heat exchange tubes is respectively communicated with outside input thermal source and outside output pipe.
Optionally, the taphole of the generator is also further entered by the solution of low temperature absorption device described in pipeline connection
Mouthful.
Optionally, in addition to lower component：
Sensor, exported for detecting the low temperature absorption device heat exchanger tube to outside or output to the high-temperature evaporator pipe
The temperature or pressure signal on road；
First flow control valve, it is arranged at the solution inlet of the high temperature absorber；
Second flow control valve, it is arranged at the taphole of the generator and the entrance communicating pipe of the low temperature absorption device
Road；
Controller, the temperature detected according to the sensor or pressure signal, control the first flow control valve and institute
State the aperture of second flow control valve.
Optionally, in addition to cryogenic heat exchanger and high-temperature heat-exchanging, the first flow control valve are changed located at the high temperature
The solution inlet connecting pipeline of the taphole of hot device and the high temperature absorber；The first outlet of the cryogenic heat exchanger is also entered
One step connects the second outlet of the high-temperature heat-exchanging, and the second flow control valve goes out located at the first of the cryogenic heat exchanger
The connecting pipeline of the second outlet of mouth and the high-temperature heat-exchanging between the two.
In addition, present invention also offers a kind of second-kind absorption-type heat pump, generator, cold is disposed with the source pump
Condenser, high temperature absorber, high-temperature evaporator, low temperature absorption device and cryogenic vaporizer；The low temperature absorption device includes being relatively isolated
The first low temperature absorption device and the second low temperature absorption device, the cryogenic vaporizer include the first cryogenic vaporizer for being relatively isolated and
Second cryogenic vaporizer；
The outlet of the generator simultaneously with the solution inlet port of the second low temperature absorption device and the high temperature absorber
Solution inlet port connects；The generator, the second low temperature absorption device, second cryogenic vaporizer form single-stage heat pump；
It is the generator, the first low temperature absorption device, first cryogenic vaporizer, the high-temperature evaporator, described
High temperature absorber forms two level heat pump.
Optionally, the generator includes mutually isolated the first cavity and the second cavity, the second chamber of the generator
The taphole of body connects the solution inlet port of the second low temperature absorption device, and the solution inlet of the second cavity of the generator connects
Lead to the taphole of the second low temperature absorption device；
The taphole of first cavity of the generator connects the solution inlet port of the high temperature absorber, and described first is low
The taphole of warm absorber connects the solution inlet of the first cavity of the generator.
Optionally, the condenser includes mutually isolated the first cavity and the second cavity, the first chamber of the condenser
Body connects the first cavity of the generator, and the second cavity of the condenser connects the second cavity of the generator.
Optionally, the condensate pipe series connection in the first cavity of the condenser, the second cavity, both ends connect the external world respectively
Cooling water inlet pipe and cooling water outlet pipe.
Optionally, condensed water caused by the first cavity of the condenser supplies the height simultaneously by same pumping member
Warm evaporator and first cryogenic vaporizer.
Optionally, the waste heat pipe series connection in the waste heat pipe in first cryogenic vaporizer and second cryogenic vaporizer
Or it is connected in series external waste heat pipeline.
Optionally, the heat exchanger tube in the second cavity of the heat exchanger tube in the first cavity of the generator and the generator
Interior medium is in parallel or in series.
Optionally, the heat exchanger tube string of the first cavity of the waste heat pipe in first cryogenic vaporizer and the generator
Connection, and the waste heat pipe other end and the heat exchanger tube other end of the first cavity of the generator in first cryogenic vaporizer
One of which connects external waste heat inlet pipe, another one connection external waste heat outlet pipe；
The heat exchanger tube series connection of second cavity of waste heat pipe and the generator in second cryogenic vaporizer, and institute
State the heat exchanger tube other end one of which of the second cavity of the waste heat pipe other end and the generator in the second cryogenic vaporizer
Connect external waste heat inlet pipe, another one connection external waste heat outlet pipe.
Brief description of the drawings
Fig. 1 is the fundamental diagram of second-kind absorption-type heat pump in a kind of embodiment of the present invention；
Fig. 2 is the fundamental diagram of second-kind absorption-type heat pump in another embodiment of the present invention.
Wherein, one-to-one relationships of the Fig. 1 into Fig. 2 between component names and reference is as follows：
Generator 1, condenser 2, low temperature absorption device 3, the first set of heat exchange tubes 301, the second set of heat exchange tubes 302, low-temperature evaporation
Device 4, high-temperature evaporator 5, high temperature absorber 6, gas-liquid separator 7, high-temperature heat-exchanging 8, cryogenic heat exchanger 9, pump 10,20,30,
Flow control valve 13, second flow control valve 14, sensor 15；
First cavity 11 of generator, the second cavity 12 of generator, the first cavity 21 of condenser, the second of condenser
Cavity 22, the first cryogenic vaporizer 31, the second cryogenic vaporizer 32, the first low temperature absorption device 41, the second low temperature absorption device 42,
Two gas-liquid separators 50, high temperature absorber 70, high-temperature evaporator 60, the first gas-liquid separator 80.
Embodiment
For the core of the present invention to provide a kind of second-kind absorption-type heat pump, the heat pump can produce higher quality, higher simultaneously
Quality heating agent, unit floor space is smaller, greatly reduces the use cost of source pump, and expands the second kind absorption type
The application of heat pump.
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and specific real
Applying example, the present invention is described in further detail.
Fig. 1 is refer to, Fig. 1 is the fundamental diagram of second-kind absorption-type heat pump in the first specific embodiment of the invention.
Second-kind absorption-type heat pump is divided into two classes：Single-stage heating second-kind absorption-type heat pump (hereinafter referred to as single-stage heating heat
Pump) and two level heating second-kind absorption-type heat pump (hereinafter referred to as two level heating heat pump), single-stage heating heat pump is mainly including occurring
Device, condenser, low temperature absorption device, cryogenic vaporizer, for producing compared with high-grade thermal source.Two level heating heat pump is heated up in single-stage
Increase high temperature absorber, high-temperature evaporator on the basis of heat pump, i.e., the relatively high-grade thermal source produced using single-stage heating heat pump is made
Based on thermal source, further produce the higher high-grade heating agent of temperature.The work of single-stage heating heat pump and two level heating heat pump is former
It is not described here in detail for reason, refers to prior art.
There is provided herein a kind of second-kind absorption-type heat pump, including generator 1, condenser 2, high temperature absorber 6, high temperature to steam
Send out device 5, low temperature absorption device 3, cryogenic vaporizer 4, that is to say, that the critical piece of the second-kind absorption-type heat pump heats up with two level
The critical piece of heat pump is identical.In addition, in the heat exchanger tube of low temperature absorption device 3 of second-kind absorption-type heat pump presented herein
Partly by Pipeline transport to high-temperature evaporator 5 after medium (water or other liquid mediums) and solution heat exchange, for producing two level
Steam needed for temperature elevation system high temperature absorber 6；Another part is delivered to outside unit, for producing or directly as outside
Use thermal source.
When the relatively high-grade thermal source needed for user is hot water, exported from the heat exchanger tube of low temperature absorption device 3 to the medium of outside
Can be used directly as thermal source, when the relatively high-grade thermal source that user uses is steam, from the heat exchanger tube of low temperature absorption device 3 export to
Outside medium need to separate through gas-liquid separator 7 to be used as thermal source indirectly.
That is, generator 1, condenser 2, high temperature absorber 6, high temperature evaporation in this paper second-kind absorption-type heat pump
Device 5, low temperature absorption device 3, cryogenic vaporizer 4 form two level heating solution recycle system, the medium in the heat exchanger tube of low temperature absorption device 3
Divide two parts output, a portion is exported to high-temperature evaporator 5, the basic thermal source as two level heating high-grade thermal source.It is low
Certain media in the warm heat exchanger tube of absorber 3 is fed directly to outside, directly as outside thermal source (hot water) or produces outer
Portion is with thermal source (steam).
It is presented herein compared with using single-stage, the two kinds of second-kind absorption-type heat pump of two level in the prior art
Second-kind absorption-type heat pump can produce low-grade heat source and high-grade thermal source, i.e., the warm list of heat pump provided in this article simultaneously
Level, the class heat pump of two level two are integrated, and the module of second-kind absorption-type heat pump herein and the class of prior art two level second
The module of absorption heat pump is essentially identical, compared with existing setting single-stage, the class heat pump of two level two, the floor space ratio of this paper heat pumps
It is smaller, the installing space of heat pump is greatlyd save, reduces use cost.
In addition, the volume of this paper source pumps is smaller, it is advantageously applied in installation environment constrained environment, expands two
The application of class source pump.
One group of heat exchanger tube can be set in low temperature absorption device 3, and the inlet communication of heat exchanger tube comes from high-temperature evaporator 5, outlet
High-temperature evaporator 5 and unit exterior line are connected by pipe fitting, to export thermal source respectively.Certainly, changing inside low temperature absorption device 3
Heat pipe can also set two groups, specific to set ginseng to see description below.
In a kind of embodiment, the heat exchanger tube inside low temperature absorption device 3 has two groups：First set of heat exchange tubes 301
With the second set of heat exchange tubes 302, the medium in the first set of heat exchange tubes 301 forms circulation line, the first heat exchanger tube with high-temperature evaporator 5
Output medium is used to produce steam needed for high temperature absorber 6, i.e. the import of the first heat exchanger tube and the outlet of high-temperature evaporator 5 connects
It is logical, the outlet of the first heat exchanger tube and the inlet communication of high-temperature evaporator 5.The inlet and outlet of second set of heat exchange tubes 302 connects respectively
Logical outside input thermal source and outside output pipe, the output medium of the second set of heat exchange tubes 302 are used to produce outside thermal source.The input
Thermal source can be identical with the outside input thermal source of high temperature absorber 6, naturally it is also possible to different；Outside output pipe can be heat
Water lines, or be provided with the steam pipework of gas-liquid separator 7.
In above-described embodiment, the first relatively independent set of heat exchange tubes 301 and the second heat exchanger tube are set inside low temperature absorption device
Group 302 provides secondary base thermal source respectively and outside is mutually independent of each other compared with high-grade thermal source, circulation between the two, is advantageous to machine
The stability of group work.
In order to further improve the heat exchange efficiency of unit, the taphole of generator 1 is also further low by pipeline connection
The solution inlet of warm absorber 3, so enter the amount of solution relative increase of low temperature absorption device 3, low temperature absorption device 3 can be increased
Heat exchange amount.
In order to improve the Automated condtrol of unit, can also be set as follows.
In a kind of specific embodiment, second-kind absorption-type heat pump can also include with lower component：Sensor 15,
Flow control valve 13, second flow control valve 14, controller, sensor 15 are used to detect the heat exchanger tube of low temperature absorption device 3
Export the temperature or pressure signal to outside or output to the pipeline of high-temperature evaporator 5；I.e. sensor 15 can be that temperature passes
Sensor, or pressure sensor, the sensor 15 can be installed on the heat exchanger tube of low temperature absorption device 3 output secondary base thermal source
Pipeline, can also be installed on the heat exchanger tube of low temperature absorption device 3 output compared with high-grade heating medium pipeline.
First flow control valve 13 is arranged at the solution inlet of the high temperature absorber 6；Second flow control valve 14 is set
In the entrance connecting pipeline of the taphole and the low temperature absorption device 3 of the generator 1.
Controller, the temperature detected according to sensor 15 or pressure signal, control first flow control valve 13 and second
The aperture of control valve 14.
Can be with preset control parameter in controller in the embodiment, controller receives the detection letter that sensor 15 is sent
Number, controller judges the temperature or pressure signal that sensor 15 detects, and whether judges to export low-grade heating agent or high-grade heating agent
Meets the needs of current, and then controller can send control command to first flow control valve 13 and second flow control valve
14, to adjust the aperture of first flow control valve 13 and second flow control valve 14, to meet to produce high-grade and low-grade heat
The requirement in source, you can with the demand according to client, freely adjust the output for the high low-grade heat source produced.
In a kind of specific embodiment, provided herein is second-kind absorption-type heat pump can also include cryogenic heat exchanger 9
With high-temperature heat-exchanging 8, first flow control valve 13 enters located at the taphole of high-temperature heat-exchanging 8 and the solution of high temperature absorber 6
Mouth connecting pipeline；The first outlet B1 of cryogenic heat exchanger 9 also further connects the second outlet of high-temperature heat-exchanging 8, second flow
Control valve 14 is located at the first outlet B1 of cryogenic heat exchanger 9 and the second outlet connecting pipeline between the two of high-temperature heat-exchanging 8.
It is clear for diagram, the definition of each mouth of cryogenic heat exchanger has only been marked out in Fig. 1, wherein, A1, A2, B1, B2 points
Wei not the first import, the second import, first outlet, second outlet；The name of each mouth of high-temperature heat-exchanging refers to cryogenic heat exchanger
The definition of each mouth.
Generator solution flows into low temperature absorption device after cryogenic heat exchanger 9 in the embodiment, can improve changing for unit
The thermal efficiency.
Certainly, the mode of communicating of the taphole of generator 1 and the solution inlet of low temperature absorption device 3 is not limited to the above and retouched
State, as long as above-mentioned technique effect can be realized.
In addition to above description, the specific reality that another same heat pump realizes single-stage, two level while operation is also provided herein
Mode is applied, is described in detail below.
Fig. 2 is refer to, Fig. 2 is the fundamental diagram of second-kind absorption-type heat pump in another specific embodiment of the present invention.
In another specific embodiment, generator, condenser, high temperature are disposed with second-kind absorption-type heat pump unit and is inhaled
Receive device 70, high-temperature evaporator 60, low temperature absorption device and cryogenic vaporizer；The first low temperature that low temperature absorption device includes being relatively isolated is inhaled
The low temperature absorption device 42 of device 41 and second is received, the first low temperature absorption device 41 and the second low temperature absorption device 42 can be arranged at same casing
Inside, cryogenic vaporizer include the first cryogenic vaporizer 31 and the second cryogenic vaporizer 32 being relatively isolated, the first low-temperature evaporation
The cryogenic vaporizer 32 of device 31 and second can be arranged at same box house；The outlet of generator simultaneously with the second low temperature absorption device
42 solution inlet port connects with the solution inlet port of high temperature absorber 70；Generator, the second low temperature absorption device 42, the second low-temperature evaporation
Device 32 forms single-stage heat pump；Generator, the first low temperature absorption device 41, the first cryogenic vaporizer 31, high-temperature evaporator 60, high temperature are inhaled
Receive device 70 and form two level heat pump.The operation principle of single-stage heat pump and two level heat pump is also not detailed herein.
In the embodiment, by setting the structure of source pump internal module, same heat pump is integrated with single-stage circulation module
With secondary cycle module, to realize single-stage circulation and secondary cycle, with realize compared with high-grade thermal source and high-grade thermal source while
Output, compared with the independent single-stage of existing setting, the class heat pump of two level two, the floor space of this paper heat pumps is smaller, greatlys save
The installing space of heat pump, reduce use cost.
In order to reduce interfering between single-stage, secondary cycle inside same unit as far as possible, raising is at different levels to produce thermal source
Efficiency, can also carry out arranged below.
Further, the box house of generator can include mutually isolated the first cavity 11 and the second cavity 12, hair
The taphole of second cavity 12 of raw device connects the solution inlet port of the second low temperature absorption device 42, the second cavity 12 of generator
Solution inlet connects the taphole of the second low temperature absorption device 42；The taphole connection high temperature of first cavity 11 of generator is inhaled
Receive the solution inlet port of device 70, the solution inlet of the first cavity 11 of the taphole connection generator of the first low temperature absorption device 41.
Similarly, the box house of condenser includes mutually isolated the first cavity 21 and the second cavity 22, and the of condenser
One cavity 21 connects the first cavity 11 of generator, the second cavity 12 of the second cavity 22 connection generator of condenser.This sets
Single-stage, the operating efficiency of two level can further be improved by putting.
Specifically, the condensate pipe series connection in the first cavity 21 of condenser, the second cavity 22, both ends connect the external world respectively
Cooling water inlet pipe and cooling water outlet pipe.So on the premise of single-stage, secondary work efficiency is not reduced, it can simplify and be
Internal duct of uniting is set, and is easy to units' installation and maintenance.
In order to further simplify unit connecting line, condensed water caused by the first cavity 21 of condenser can also be by same
One pumping member supplies the cryogenic vaporizer 31 of high-temperature evaporator 60 and first simultaneously.Certainly, high-temperature evaporator 60 and first is connected
Flow valve can also be set in the distribution pipe of cryogenic vaporizer 31, the low-temperature evaporation of high-temperature evaporator 60 and first is flowed through to control
The flow of device 31.
Further, the waste heat pipe in the waste heat pipe in the first cryogenic vaporizer 31 and the second cryogenic vaporizer 32 can be with
Series connection, extraneous waste heat flow into from wherein one end of two waste heat pipes of series connection, are flowed out from the other end.So-called waste heat pipe refers to and the external world
The internal heat exchange tubes of waste heat source connection.Certainly, in the waste heat pipe in the first cryogenic vaporizer 31 and the second cryogenic vaporizer 32
Waste heat pipe can be with parallel connection, i.e. both waste heat pipe imports are connected in parallel on extraneous waste heat, non-interference, and work does not influence.
On the basis of above-described embodiment, the second cavity 12 of heat exchanger tube and generator in the first cavity 11 of generator
Interior heat exchanger tube can also connect, the waste heat outflow end of one end connection cryogenic vaporizer of two heat exchanger tubes of series connection, the other end
Connect external waste heat outlet pipe.Certainly, changing in the second cavity 12 of the heat exchanger tube in the first cavity 11 of generator and generator
Heat pipe can also be in parallel.
Certainly, the pipeline of remaining hot water is not limited to foregoing description between cryogenic vaporizer, generator, can also individually set
Put, such as set in the following manner.
In another embodiment, the heat exchange of the first cavity 11 of waste heat pipe and generator in the first cryogenic vaporizer 31
Pipe is connected, and the waste heat pipe other end and the heat exchanger tube other end of the first cavity 11 of generator in the first cryogenic vaporizer 31
One of which connects external waste heat inlet pipe, another one connection external waste heat outlet pipe；
The heat exchanger tube series connection of second cavity 12 of waste heat pipe and generator in the second cryogenic vaporizer 32, and second is low
The waste heat pipe other end in warm evaporator 32 connects outside with the heat exchanger tube other end one of which of the second cavity 12 of generator
Waste heat inlet pipe, another one connection external waste heat outlet pipe.
So, the remaining hot water of corresponding system can be entered according to specific state of cyclic operation, respectively regulation, such as according to the second gas
The air pressure inside P1 of liquid/gas separator 50, adjust flow valve V1 and the flow valve V3 of waste heat source capsule installation state on steam output pipe
(aperture), similarly, it is upper can be adjusted according to the air pressure inside P2 of the first gas-liquid separator 80 for steam output pipe in level two
Measure valve V2 and the flow valve V4 of waste heat source capsule installation state.Single-stage, level two are relatively independent, and can reach higher produces
Heating agent efficiency.
Of course for system normal operation is maintained, pumping member can also be set in various embodiments above, such as the pump in Fig. 1
10th, pump 20, pump 30 are to realize the pumping of solution and condensed water.
It should be noted that illustrate only the schematic diagram for producing that heating agent is steam in Fig. 1 and Fig. 2, do not provide and produce heat
Matchmaker is the operation principle of hot water, and above technical scheme is identical with the above applied to the principle of hot water preparing, is not repeated.
Circulation solution in above-mentioned heat pump can be lithium-bromide solution, or other solution, not be excessive Jie herein
Continue, refer to prior art.
Heat exchanger in the various embodiments described above can be plate type heat exchanger, or the heat exchanger of other forms, as long as
Above-mentioned technique effect can be realized.
A kind of second-kind absorption-type heat pump provided by the present invention is described in detail above.Tool used herein
Body example is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands this hair
Bright method and its core concept.It should be pointed out that for those skilled in the art, the present invention is not being departed from
On the premise of principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into right of the present invention
It is required that protection domain in.
Claims (8)
1. a kind of second-kind absorption-type heat pump, it is characterised in that generator, condenser, high temperature are disposed with the source pump
Absorber (70), high-temperature evaporator (60), low temperature absorption device and cryogenic vaporizer；The low temperature absorption device includes what is be relatively isolated
First low temperature absorption device (41) and the second low temperature absorption device (42), the first low temperature that the cryogenic vaporizer includes being relatively isolated steam
Send out device (31) and the second cryogenic vaporizer (32)；
The outlet of the generator while the solution inlet port with the second low temperature absorption device (42) and the high temperature absorber
(70) solution inlet port connection；The generator, the second low temperature absorption device (42), second cryogenic vaporizer (32) and
The condenser forms single-stage heat pump；
The generator, the first low temperature absorption device (41), first cryogenic vaporizer (31), the high-temperature evaporator
(60), the high temperature absorber (70) and the condenser form two level heat pump.
2. second-kind absorption-type heat pump as claimed in claim 1, it is characterised in that the generator includes mutually isolated the
One cavity (11) and the second cavity (12), the taphole of the second cavity (12) of the generator connect second low temperature and inhaled
The solution inlet port of device (42) is received, the solution inlet of the second cavity (12) of the generator connects the second low temperature absorption device
(42) taphole；
The taphole of the first cavity (11) of the generator connects the solution inlet port of the high temperature absorber (70), and described the
The taphole of one low temperature absorption device (41) connects the solution inlet of the first cavity (11) of the generator.
3. second-kind absorption-type heat pump as claimed in claim 2, it is characterised in that the condenser includes mutually isolated the
One cavity (21) and the second cavity (22), the first cavity (21) of the condenser connect the first cavity of the generator
(11), the second cavity (22) of the condenser connects the second cavity (12) of the generator.
4. second-kind absorption-type heat pump as claimed in claim 3, it is characterised in that the first cavity (21) of the condenser,
Condensate pipe series connection in second cavity (22), both ends connect the cooling water inlet pipe and cooling water outlet pipe in the external world respectively.
5. second-kind absorption-type heat pump as claimed in claim 3, it is characterised in that the first cavity (21) production of the condenser
Raw condensed water supplies the high-temperature evaporator (60) and first cryogenic vaporizer (31) simultaneously by same pumping member.
6. the second-kind absorption-type heat pump as described in any one of claim 2 to 3, it is characterised in that first low-temperature evaporation
The waste heat pipe in waste heat pipe and second cryogenic vaporizer (32) in device (31) connects extraneous waste heat pipeline in parallel or series.
7. second-kind absorption-type heat pump as claimed in claim 6, it is characterised in that in the first cavity (11) of the generator
Heat exchanger tube and the generator the second cavity (12) in heat exchanger tube in medium in parallel or in series.
8. the second-kind absorption-type heat pump as described in any one of claim 2 to 3, it is characterised in that first low-temperature evaporation
The heat exchanger tube series connection of the first cavity (11) of waste heat pipe and the generator in device (31), and first cryogenic vaporizer
(31) the waste heat pipe other end in connects outside with the heat exchanger tube other end one of which of the first cavity (11) of the generator
Waste heat inlet pipe, another one connection external waste heat outlet pipe；
The heat exchanger tube series connection of the second cavity (12) of waste heat pipe and the generator in second cryogenic vaporizer (32), and
And the waste heat pipe other end in second cryogenic vaporizer (32) and the heat exchanger tube of the second cavity (12) of the generator are another
One end one of which connection external waste heat inlet pipe, another one connection external waste heat outlet pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711422400.1A CN108050724B (en) | 2015-07-09 | 2015-07-09 | Second-class absorption heat pump |
| CN201510400132.8A CN104930747B (en) | 2015-07-09 | 2015-07-09 | A kind of second-kind absorption-type heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510400132.8A CN104930747B (en) | 2015-07-09 | 2015-07-09 | A kind of second-kind absorption-type heat pump |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711422400.1A Division CN108050724B (en) | 2015-07-09 | 2015-07-09 | Second-class absorption heat pump |
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| Publication Number | Publication Date |
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| CN104930747A CN104930747A (en) | 2015-09-23 |
| CN104930747B true CN104930747B (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711422400.1A Active CN108050724B (en) | 2015-07-09 | 2015-07-09 | Second-class absorption heat pump |
| CN201510400132.8A Active CN104930747B (en) | 2015-07-09 | 2015-07-09 | A kind of second-kind absorption-type heat pump |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711422400.1A Active CN108050724B (en) | 2015-07-09 | 2015-07-09 | Second-class absorption heat pump |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631391B (en) * | 2019-01-16 | 2023-09-12 | 浙江力巨热能设备有限公司 | Built-in doublestage absorption heat pump of boiler |
| CN110986423B (en) * | 2019-12-23 | 2021-08-24 | 泰能天然气有限公司 | Water chilling unit |
| CN114111106A (en) * | 2021-12-08 | 2022-03-01 | 荏原冷热系统（中国）有限公司 | A control method and the second type of absorption heat pump |
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| CN1189598A (en) * | 1998-01-08 | 1998-08-05 | 江苏双良集团公司 | Two-section or multi-section hot water lithium bromide absorbing refrigerating unit |
| CN101101161A (en) * | 2007-07-30 | 2008-01-09 | 李华玉 | Composite absorption heat pump |
| CN101261054A (en) * | 2007-12-29 | 2008-09-10 | 清华大学 | A large temperature rise absorption heat pump unit |
| CN101464068A (en) * | 2009-01-11 | 2009-06-24 | 李华玉 | Method for improving heat supply temperature of second-kind absorption type heat pump and high temperature type heat pump thereof |
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| JPS61171811A (en) * | 1985-01-28 | 1986-08-02 | Sanyo Electric Co Ltd | Absorption heatpump for taking out power |
| CN1066723A (en) * | 1992-07-02 | 1992-12-02 | 北京化工学院 | Absorption heat pump |
| JPH11304276A (en) * | 1998-04-24 | 1999-11-05 | Ebara Corp | Absorption refrigerating machine |
| JP3715157B2 (en) * | 1999-11-19 | 2005-11-09 | 株式会社 日立インダストリイズ | 2-stage double-effect absorption refrigerator |
| US7464562B2 (en) * | 2004-10-13 | 2008-12-16 | Ebara Corporation | Absorption heat pump |
| CN1896645A (en) * | 2006-06-16 | 2007-01-17 | 李华玉 | No.2-type opening absorbing water pump |
| JP5501597B2 (en) * | 2008-10-15 | 2014-05-21 | 荏原冷熱システム株式会社 | Absorption heat pump |
| JP2011007400A (en) * | 2009-06-25 | 2011-01-13 | Hitachi Appliances Inc | Two-stage evaporation absorption type refrigerating machine |
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- 2015-07-09 CN CN201510400132.8A patent/CN104930747B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1189598A (en) * | 1998-01-08 | 1998-08-05 | 江苏双良集团公司 | Two-section or multi-section hot water lithium bromide absorbing refrigerating unit |
| CN101101161A (en) * | 2007-07-30 | 2008-01-09 | 李华玉 | Composite absorption heat pump |
| CN101261054A (en) * | 2007-12-29 | 2008-09-10 | 清华大学 | A large temperature rise absorption heat pump unit |
| CN101464068A (en) * | 2009-01-11 | 2009-06-24 | 李华玉 | Method for improving heat supply temperature of second-kind absorption type heat pump and high temperature type heat pump thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108050724A (en) | 2018-05-18 |
| CN104930747A (en) | 2015-09-23 |
| CN108050724B (en) | 2020-06-30 |
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Address after: Yongda road 265500 Shandong province Yantai Fushan hi tech Industrial Zone No. 720 Applicant after: EBARA REFRIGERATION EQUIPMENT & SYSTEMS (CHINA) Co.,Ltd. Address before: Yongda road 265500 Shandong province Yantai Fushan hi tech Industrial Zone No. 720 Applicant before: YANTAI EBARA AIR CONDITIONER Co.,Ltd. |
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Denomination of invention: A Type II Absorption Heat Pump Effective date of registration: 20230411 Granted publication date: 20180223 Pledgee: Mitsubishi UFJ Bank (China) Co.,Ltd. Qingdao Branch Pledgor: EBARA REFRIGERATION EQUIPMENT & SYSTEMS (CHINA) Co.,Ltd. Registration number: Y2023370010037 |
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Date of cancellation: 20231229 Granted publication date: 20180223 Pledgee: Mitsubishi UFJ Bank (China) Co.,Ltd. Qingdao Branch Pledgor: EBARA REFRIGERATION EQUIPMENT & SYSTEMS (CHINA) Co.,Ltd. Registration number: Y2023370010037 |