CN105953458A - Air source absorption type heat pump device combining fuel gas - Google Patents
Air source absorption type heat pump device combining fuel gas Download PDFInfo
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- CN105953458A CN105953458A CN201610333704.XA CN201610333704A CN105953458A CN 105953458 A CN105953458 A CN 105953458A CN 201610333704 A CN201610333704 A CN 201610333704A CN 105953458 A CN105953458 A CN 105953458A
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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
- F25B15/04—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being ammonia evaporated from aqueous solution
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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
- F25B27/002—Machines, plants or systems, using particular sources of energy using solar energy
- F25B27/007—Machines, plants or systems, using particular sources of energy using solar energy in sorption type systems
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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
- F25B33/00—Boilers; Analysers; Rectifiers
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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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
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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
- 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
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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
- F25B2315/00—Sorption refrigeration cycles or details thereof
- F25B2315/002—Generator absorber heat exchanger [GAX]
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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
- F25B2333/00—Details of boilers; Analysers; Rectifiers
- F25B2333/006—Details of boilers; Analysers; Rectifiers the generator or boiler having a rectifier
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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
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
- F25B2347/023—Set point defrosting
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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
- F25B2500/00—Problems to be solved
- F25B2500/12—Sound
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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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to an air source absorption type heat pump device combining fuel gas. The air source absorption type heat pump device comprises a generator, a rectifier, a secondary cooler, an air source heat exchange coiled pipe, a film type absorber and a falling film type heat exchanger, wherein the air source heat exchange coiled pipe is equipped with a fan, an inlet of the air source heat exchange coiled pipe is connected with an outlet of a heat exchange coiled pipe IV, a throttling device is arranged between the inlet and the outlet, an outlet of the air source heat exchange coiled pipe is connected with a medium inlet of the secondary cooler, an auxiliary heat exchange coiled pipe is configured before an air inlet of the fan, and the auxiliary heat exchange coiled pipe is connected with a fuel gas water heater. The air source absorption type heat pump device has the advantages that a good deal of investment cost is saved, and at the same time, the thermal energy efficiency of solar heat conversion is greatly improved; a diaphragm type solution pump is used as a driving component of the unit, absorptive heating is adopted, and the heat pump device is long in service life and is low in noise; and during defrosting, dissolving heat released after refrigerant steam entering the air source heat exchange coiled pipe is dissolved in a dilute solution after defrosting is utilized, and the stable supply of heat can still be ensured during defrosting.
Description
Technical field
The present invention relates to the air source absorption type heat pump assembly of a kind of associating combustion gas.
Background technology
Along with people's attention to energy-conserving and environment-protective, the energy utilization rate improving heating and ventilating equipment becomes technology people
One of important directions of member's research.Air source heat pump is exactly the most emerging a kind of heating and ventilating equipment, its
There is utilization of energy more higher than general heating and ventilating equipment, and waste gas discharge is few.But, single air
It is low to there is winter efficiency in source heat pump system, the problem of external boiler defrosting difficulty.Although can increase
Combustion gas improves heat energy, but it is complicated to there is also defroster structure, and sports apparatus is many, high the lacking of fault rate
Point；Meanwhile, the high-temperature tail gas of gas engine is used only for defrosting, and utilization rate of waste heat is low.
Summary of the invention
For solving above technical deficiency, the invention provides a kind of energy-saving and emission-reduction, heat utilization efficiency is high
The air source absorption type heat pump assembly of associating combustion gas.
The present invention is achieved by the following measures:
A kind of air source absorption type heat pump assembly of the associating combustion gas of the present invention, including:
Generator, is inside provided with the heat exchanger of solar heater, generator top be provided with liquid film evaporation section,
Stripping section and solution even cloth structure I；
Rectifier, its medium inlet connects with the media outlet at generator top, the media outlet of rectifier
Being connected to heat exchange coil III, be provided with heat exchange coil I in rectifier, the entrance of described heat exchange coil I connects
Having solution pump, the outlet of heat exchange coil I to be divided into two-way, a road connects the solution even cloth structure I of generator,
Another road is connected to heat exchange coil II；
After cooler, is inside provided with heat exchange coil IV；
Partition water-cooled condenser, is provided with cooling water inlet and hot water outlet, and described heat exchange coil III is arranged
In partition water-cooled condenser, the outlet of heat exchange coil III connects heat exchange coil IV；
Air source heat exchanger coil, is furnished with blower fan, and the entrance of air source heat exchanger coil connects heat exchange dish
The outlet of pipe IV and between be provided with throttling arrangement, the outlet connecting secondary of air source heat exchanger coil is cold
But the medium inlet of device, is configured with auxiliary heat-exchanging coil pipe, described auxiliary heat-exchanging dish before the air inlet of blower fan
Pipe connects gas heater；
Membrance-type absorber, top is provided with solution even cloth structure II, the medium inlet of membrance-type absorber and two
The media outlet of secondary cooler connects, and described heat exchange coil II is arranged in membrance-type absorber, heat exchange dish
The outlet of pipe II connects the stripping section of generator, and described solution even cloth structure II connects the liquid film of generator
Evaporator section and between be provided with weak solution electromagnetic valve；And
Falling-film heat exchanger, is provided with cooling water inlet and hot water outlet, and its medium inlet connects membrane type and absorbs
The media outlet of device, the media outlet of falling-film heat exchanger connects solution pump；
Described air source heat exchanger coil includes that cross section is circular body, and described inboard wall of tube body is arranged
There are some axially extending along body and the middle part water conservancy diversion arc plate that center is protruded in body, described water conservancy diversion arc
Form shunting cavity between plate and inboard wall of tube body, water conservancy diversion arc plate is provided with through hole, leads for adjacent two
The turbulent of concavo-convex distribution it is provided with on inboard wall of tube body between stream arc plate；The medium of described rectifier goes out
Mouthful connect air source heat exchanger coil entrance and between be provided with defrosting valve.
Above-mentioned weak solution electromagnetic valve connects a control module, described control module connect have temperature sensor,
Liquid level sensor, control module controls weak solution electromagnetism according to the temperature signal received and liquid level signal
The aperture of valve, to control the liquid inventory by weak solution electromagnetic valve.
Above-mentioned solution even cloth structure I is U-shaped isocon or disk overflow pipe, described U-shaped isocon
For carbon steel pipe or stainless steel tube, described disk overflow pipe is provided with 9-12 through hole and 8-11 rivet,
Described solution even cloth structure II is annular isocon.
Packing ring irregularly it is placed with in heat exchange coil I in above-mentioned rectifier.
Being provided with GAX high-performance heat exchanger in above-mentioned membrance-type absorber, described GAX high-performance heat exchanger is
Away from corrugated tubing, constant worm pich pipe uniformly bilayer is closely arranged in membrance-type absorber.
Spiral stream guidance pipe and helical baffles it is provided with in above-mentioned generator.
Being provided with the radiating fin that some cross sections are triangle on above-mentioned tubular body outer wall, all of radiating fin is unified
Outside edge is clockwise or unification is along inclination counterclockwise, and the plane at the place, lateral wall of radiating fin is with body
The circle at wall place is tangent, the cross sectional shape of described turbulent be triangle, rectangle, trapezoidal, circular or
The combinative structure of above-mentioned three kinds of shapes.
The invention has the beneficial effects as follows: present invention saves substantial amounts of cost of investment, be greatly improved simultaneously
Solar energy turns the efficiency of the heat energy of heat, using diaphragm type solution pump as the driver part of unit, for inhaling
Receipts formula heats, and does not has an abrasion of moving component, service life length, noise little, and during defrosting, profit
The dissolving released after dissolving with weak solution after defrosting with the refrigerant vapour entering air source heat exchanger coil
Heat, it is ensured that remain able to stably provide heat when defrosting.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of air source heat exchanger coil of the present invention.
Wherein: wherein: 1 generator, 1-1 liquid film evaporation section, 1-2 stripping section, the even cloth of 1-3 solution is tied
Structure I, 1-4 spiral stream guidance pipe and helical baffles, 2 rectifiers, 2-1 heat exchange coil I, 3 partition water
Cool condenser, 3-1 heat exchange coil III, 4 after coolers, 4-1 heat exchange coil IV, 5 air source heat are handed over
Change coil pipe, 6 blower fans, 7 membrance-type absorbers, 7-1 solution even cloth structure II, 7-2 heat exchange coil II, 7-3GAX
High-performance heat exchanger, 8 falling-film heat exchanger, 9 solution pumps, 10 weak solution electromagnetic valves, 11 defrosting valves,
The heat exchanger of 12 solar heaters, 13 throttling arrangements, 14 auxiliary heat-exchanging coil pipes, 15 gas and hot waters
Device, 5-1 body, 5-2 shunts cavity, 5-3 water conservancy diversion arc plate, 5-4 radiating fin, 5-5 turbulent.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is done further detailed description:
As it is shown in figure 1, the air source absorption type heat pump assembly of the associating combustion gas of the present invention, with natural energy
Solar energy, as the drive energy of unit, is inputted by solar energy by heating heat exchanger in generator 1
In solar heat pump installation, it is provided that the power of unit operation.Inhaled by air source heat exchanger coil 5
Receive the energy in air, this two-part energy by the condensation of refrigerant vapour and refrigerant vapour with
The heat of fusion of weak solution discharges, and passes to hot water, improves energy utilization rate.During defrosting, utilize
The dissolving released after dissolving with weak solution after entering the refrigerant vapour defrosting of air source heat exchanger coil 5
Heat, it is ensured that remain able to stably provide the scheme of heat when defrosting.Gas heater is as auxiliary
Help the energy, improve usefulness.
Concrete structure include generator 1, rectifier 2, after cooler 4, partition water-cooled condenser 3,
Air source heat exchanger coil, membrance-type absorber 7 and falling-film heat exchanger 8.Wherein it is provided with in generator 1
The heat exchanger 12 of solar heater, generator 1 top is provided with liquid film evaporation section 1-1, stripping section
1-2 and solution even cloth structure I 1-3.The medium inlet of rectifier 2 goes out with the medium at generator 1 top
Mouth connection, the media outlet of rectifier 2 is connected to heat exchange coil III 3-1, is provided with heat exchange dish in rectifier 2
The entrance of pipe I 2-1, heat exchange coil I 2-1 connects has solution pump 9, the outlet of heat exchange coil I 2-1 to divide
Becoming two-way, a road meets solution even cloth structure I 1-3 of generator 1, and another road is connected to heat exchange coil II 7-2.
Heat exchange coil IV 4-1 it is provided with in after cooler 4.Partition water-cooled condenser 3 be provided with cooling water inlet and
Hot water outlet, heat exchange coil III 3-1 is arranged in partition water-cooled condenser 3, heat exchange coil III 3-1's
Outlet connects heat exchange coil IV 4-1.Air source heat exchanger coil 5 is furnished with blower fan 6, the air intake of blower fan 6
Being configured with auxiliary heat-exchanging coil pipe 14 before Kou, described auxiliary heat-exchanging coil pipe 14 connects gas heater 15.
The temperature of blower fan surrounding air can be improved after water heater heating, and then improve heat exchanger efficiency.Air source
The entrance of heat exchanger coil 5 connect heat exchange coil IV 4-1 outlet and between be provided with throttling arrangement 13,
The medium inlet of the outlet connecting secondary cooler 4 of air source heat exchanger coil 5.Membrance-type absorber 7
Top is provided with solution even cloth structure II 7-1, the medium inlet of membrance-type absorber 7 and after cooler 4
Media outlet connect, heat exchange coil II 7-2 is arranged in membrance-type absorber 7, heat exchange coil II 7-2
Outlet connect generator 1 stripping section 1-2, solution even cloth structure II 7-1 connect generator 1 liquid
Film evaporator section 1-1 and between be provided with weak solution electromagnetic valve 10.Falling-film heat exchanger 8 is provided with cold water
Import and hot water outlet, its medium inlet connects the media outlet of membrance-type absorber 7, falling film type heat exchange
The media outlet of device 8 connects solution pump 9.The media outlet of rectifier 2 connects air source heat exchanger coil
Entrance and between be provided with defrosting valve 11.
Two circulations, refrigerant cycle and absorbent circulation is included inside the present invention.Wherein from falling film type
Heat exchanger 8 concentrated solution out send into after solution pump 9 pressurizes in rectifier 2 with High Temperature High Pressure
Ammonia carries out heat exchange, and concentrated solution is heated, and the ammonia of High Temperature High Pressure is cooled, it is thus achieved that heat dense
Solution is divided into two parts, a part to be directly entered generator 1 top stripping section 1-2, is partly into fall
The GAX high-performance heat exchanger 7-3 of membrance-type absorber 7 and mixed high temperature weak solution carry out heat exchange.
Enter the concentrated solution of stripping section 1-2 after stripping section 1-2, and efficiently change from the GAX of absorber
The concentrated solution of hot device 7-3 enters generator 1 together, and in generator 1, concentrated solution continuation is drawn spontaneous
The heat of heating heat exchanger input in raw device 1, ammonia constantly evaporates from solution, and solution concentration is gradually
Reduce, become weak solution.
Weak solution, after weak solution electromagnetic valve 10 enters membrance-type absorber 7, on the one hand absorbs from two
The overheated ammonia of secondary cooler 4 and discharge heat of fusion；On the one hand efficiently change with entrance GAX after mixing
The concentrated solution of hot device 7-3 carries out heat exchange, and temperature constantly reduces, and concentration constantly raises, and enters afterwards
Falling-film heat exchanger 8, carries out heat exchange (producing heat) with air-conditioning backwater and enters next absorbent afterwards
Circulation.
The ammonia of High Temperature High Pressure enters partition water-cooled condenser 3 the most afterwards from rectifier 2, with partition water-cooled
Air-conditioning backwater in condenser 3 carries out heat exchange (producing heat), and the ammonia condensation of High Temperature High Pressure is liquid
Entering after cooler 4 after ammonia, carrying out heat exchange with the ammonia from air source heat exchanger becomes
Supercool ammonia spirit, supercool ammonia spirit enters air source after being then passed through throttling arrangement 13 throttling
Heat exchanger, the heat (refrigeration) absorbed in air enters the ammonia that after cooler 4 becomes overheated afterwards
Gas, is absorbed by weak solution subsequently into membrance-type absorber 7, becomes concentrated solution, enters again next refrigeration
The circulation of agent.During defrosting, utilize enter air source heat exchanger coil 5 refrigerant vapour defrosting after with
The heat of solution that weak solution is released after dissolving, it is ensured that remain able to stably provide heat when defrosting.
Specifically, send into after solution pump 9 pressurizes from falling-film heat exchanger 8 concentrated solution out
Ammonia with High Temperature High Pressure out from generator 1 in rectifier 2 heat exchanger coil in rectifier 2
Carry out heat exchange at rectifier 2, rectifier 2 cavity is full of packing ring by irregular arrangement and
Special construction, strengthens the exchange of heat transfer, mass transfer.Cold-producing medium is heated, stripping, pure after rectification
Between degree 99.2%～99.9%.In generator 1, the refrigerant concentration of remaining after evaporation is 3%～8%.Excellent
Choosing, cold-producing medium is heated in generator 1, stripping, refrigerant vapour concentration is 99.8% after rectification,
In generator 1, the refrigerant concentration of remaining after evaporation is 4%.
Solution even cloth structure I 1-3 uses U-shaped isocon or disk overflow pipe, and U-shaped isocon is carbon
Steel pipe or stainless steel tube, disk overflow pipe is provided with 10-15 through hole and 10-15 rivet, solution
Even cloth structure II 7-1 is annular isocon.The concentrated solution obtaining heat in rectifier 2 is divided into two parts,
A part is directly entered generator 1 stripping section 1-2, by the U-shaped isocon at generator 1 top or
Disk overflow pipe makes concentrated solution be distributed uniformly, and the GAX being partly into membrance-type absorber 7 efficiently changes
Hot device 7-3 and from generator 1, enter absorber weak solution and the mixed heat of solution of refrigerant vapour
Carrying out heat exchange, the heat exchange making full use of internal system improves the utilization rate of the energy.
The concentrated solution entering stripping section 1-2 passes through the further heat exchange at stripping section 1-2, and from membrane type
The concentrated solution of the GAX high-performance heat exchanger 7-3 of absorber 7 enters the middle part of generator 1 together,
In generator 1, concentrated solution is flowed downward by spiral stream guidance pipe and helical baffles 1-4, to dirty
Continue to draw the heat by the solar energy within heating heat exchanger input system during Dong, constantly
Ground sufficiently evaporates at liquid film evaporation position, and solution concentration is gradually lowered, and becomes weak solution, dense
Degree is 3%～8%, and weak solution enters membrance-type absorber 7 by spiral stream guidance pipe, weak solution electromagnetic valve 10
Top.The control logic that the amount that weak solution entrance absorbs is made up of heat source temperature or leaving water temperature etc. is entered
Row controls, it is ensured that the amount of weak solution realizes most preferably mating with the amount of refrigerant vapour.
After weak solution enters membrance-type absorber 7, on the one hand at GAX high-performance heat exchanger 7-3 Surface absorption
From the overheated ammonia of after cooler 4 and discharge heat of fusion；On the one hand with entrance GAX after mixing
The concentrated solution of high-performance heat exchanger 7-3 carries out heat exchange, and temperature constantly reduces, and concentration constantly raises, it
Rear entrance falling-film heat exchanger 8, enters after carrying out heat exchange with air-conditioning backwater and circulates next time.
The ammonia of High Temperature High Pressure enters partition water-cooled condenser 3 the most afterwards from rectifier 2, with partition water
Air-conditioning backwater in cool condenser 3 carries out heat exchange, and the ammonia condensation of High Temperature High Pressure is the laggard of liquefied ammonia
Enter after cooler 4, carry out heat exchange with the ammonia from air source heat exchanger, become supercool
Ammonia spirit, be then passed through throttling arrangement 13 throttling after enter air source heat exchanger, absorb sky
The ammonia that after cooler 4 becomes overheated is entered, subsequently into membrance-type absorber 7 after energy in gas
Absorbed by weak solution, become concentrated solution, enter again and circulate next time.During defrosting, defrost during defrosting valve
Open, by the temperature biography on air source heat exchanger coil 5, control steam flow, it is ensured that with minimum
The frost layer of air heat exchange coil pipe is removed by heat, and the refrigerant vapour of defrosting simultaneously is handed in air heat
Membrance-type absorber 7 is entered, with membrance-type absorber 7 top by after cooler 4 after changing coil pipe defrosting
The GAX high-performance heat exchanger 7-3 that absorbent is sprayed in membrance-type absorber 7 by annular isocon equably
Above, it is achieved absorbent farthest absorbs with cold-producing medium.Absorbent becomes after mixing with cold-producing medium
For the concentrated solution of high temperature, the concentrated solution of this part high temperature enters falling-film heat exchanger 8 and falling film type heat exchange
Device 8 cools down water and carries out heat transmission, such that it is able to realize still producing during defrosting the function of hot water,
The problem not heated when solving the defrosting of conventional heat pump unit, substantially increases the service efficiency of the energy,
The adjustment of high-efficiency environment friendly, beneficially energy resource structure.
GAX high-performance heat exchanger 7-3 in membrance-type absorber 7 is constant worm pich pipe, constant worm pich pipe
Uniformly bilayer is closely arranged in membrance-type absorber 7.In GAX high-performance heat exchanger 7-3 absorption installation
Generator 1 and absorber carry out internal backheat, the absorption recuperation of heat will released in absorption process, and deliver to send out
Raw device 1 is for being used, thus improves the thermal efficiency of unit, improves cycle performance.Weak solution electromagnetic valve
10 connections have control module, and control module connects temperature sensor, liquid level sensor, control module
The aperture of weak solution electromagnetic valve 10 is controlled, to control according to the temperature signal received and liquid level signal
By the liquid inventory of weak solution electromagnetic valve 10, thus control the circulating load of whole blood circulation.Send out
It is provided with spiral stream guidance pipe or helical baffles in raw device 1, improves heat exchange efficiency.
Air source heat exchanger coil 5 includes that cross section is circular body 5-1, and body 5-1 inwall sets
It is equipped with some axially extending along body 5-1 and the middle part water conservancy diversion arc plate 5-3 that center is protruded in body 5-1,
Form shunting cavity 5-2 between water conservancy diversion arc plate 5-3 and body 5-1 inwall, water conservancy diversion arc plate 5-3 is arranged
There is through hole, the adjacent body 5-1 inwall between two water conservancy diversion arc plate 5-3 is provided with concavo-convex distribution
Turbulent 5-5.The radiating fin 5-4 that some cross sections are triangle it is provided with on body 5-1 outer wall, all
Radiating fin 5-4 unified along clockwise or unified along tilting counterclockwise, and the lateral wall of radiating fin 5-4
The plane at place is tangent with the circle at body 5-1 outer wall place.The cross sectional shape of turbulent 5-5 be triangle,
Rectangle, the combinative structure of trapezoidal, circular or above-mentioned three kinds of shapes.On body 5-1 inwall, water conservancy diversion arc is set
Plate 5-3, thus force a part of coolant to flow from shunting cavity 5-2, due to shunting cavity 5-2 space
Less so that the refrigerant flow rate in shunting cavity 5-2 is more than the coolant stream in other cavity in body 5-1
Speed, the coolant in shunting cavity 5-2 mutually can circulate with the coolant in other cavity from through hole simultaneously,
Add the turbulent 5-5 disturbance to coolant so that primary fluid flow is changing velocity gradient and temperature repeatedly
Flow under gradient condition, improve heat exchange efficiency.Radiating fin 5-4 decreases the fluid speed on heat exchanger tube surface
Degree vector hot-fluid direction vector angle, improves the field coordination of fluid interchange.
The above is only the preferred implementation of this patent, it is noted that for the art
For those of ordinary skill, on the premise of without departing from the art of this patent principle, it is also possible to make some
Improving and replace, these improve and replace the protection domain that also should be regarded as this patent.
Claims (7)
1. the air source absorption type heat pump assembly of an associating combustion gas, it is characterised in that including:
Generator, is inside provided with the heat exchanger of solar heater, generator top be provided with liquid film evaporation section,
Stripping section and solution even cloth structure I；
Rectifier, its medium inlet connects with the media outlet at generator top, the media outlet of rectifier
Being connected to heat exchange coil III, be provided with heat exchange coil I in rectifier, the entrance of described heat exchange coil I connects
Having solution pump, the outlet of heat exchange coil I to be divided into two-way, a road connects the solution even cloth structure I of generator,
Another road is connected to heat exchange coil II；
After cooler, is inside provided with heat exchange coil IV；
Partition water-cooled condenser, is provided with cooling water inlet and hot water outlet, and described heat exchange coil III is arranged
In partition water-cooled condenser, the outlet of heat exchange coil III connects heat exchange coil IV；
Air source heat exchanger coil, is furnished with blower fan, and the entrance of air source heat exchanger coil connects heat exchange dish
The outlet of pipe IV and between be provided with throttling arrangement, the outlet connecting secondary of air source heat exchanger coil is cold
But the medium inlet of device, is configured with auxiliary heat-exchanging coil pipe, described auxiliary heat-exchanging dish before the air inlet of blower fan
Pipe connects gas heater；
Membrance-type absorber, top is provided with solution even cloth structure II, the medium inlet of membrance-type absorber and two
The media outlet of secondary cooler connects, and described heat exchange coil II is arranged in membrance-type absorber, heat exchange dish
The outlet of pipe II connects the stripping section of generator, and described solution even cloth structure II connects the liquid film of generator
Evaporator section and between be provided with weak solution electromagnetic valve；And
Falling-film heat exchanger, is provided with cooling water inlet and hot water outlet, and its medium inlet connects membrane type and absorbs
The media outlet of device, the media outlet of falling-film heat exchanger connects solution pump；
Described air source heat exchanger coil includes that cross section is circular body, and described inboard wall of tube body is arranged
There are some axially extending along body and the middle part water conservancy diversion arc plate that center is protruded in body, described water conservancy diversion arc
Form shunting cavity between plate and inboard wall of tube body, water conservancy diversion arc plate is provided with through hole, leads for adjacent two
The turbulent of concavo-convex distribution it is provided with on inboard wall of tube body between stream arc plate；The medium of described rectifier goes out
Mouthful connect air source heat exchanger coil entrance and between be provided with defrosting valve.
The air source absorption type heat pump assembly of associating combustion gas the most according to claim 1, it is characterised in that:
Described weak solution electromagnetic valve connects control module, and described control module connects temperature sensor, liquid
Level sensor, control module controls weak solution electromagnetic valve according to the temperature signal received and liquid level signal
Aperture, to control by the liquid inventory of weak solution electromagnetic valve.
The air source absorption type heat pump assembly of associating combustion gas the most according to claim 1, it is characterised in that:
Described solution even cloth structure I is U-shaped isocon or disk overflow pipe, and described U-shaped isocon is carbon
Steel pipe or stainless steel tube, described disk overflow pipe is provided with 9-12 through hole and 8-11 rivet, institute
State solution even cloth structure II for annular isocon.
The air source absorption type heat pump assembly of associating combustion gas the most according to claim 1, it is characterised in that:
Packing ring irregularly it is placed with in heat exchange coil I in described rectifier.
The air source absorption type heat pump assembly of associating combustion gas the most according to claim 1, it is characterised in that:
Being provided with GAX high-performance heat exchanger in membrance-type absorber, described GAX high-performance heat exchanger is constant worm pich
Pipe, constant worm pich pipe uniformly bilayer is closely arranged in membrance-type absorber.
The air source absorption type heat pump assembly of associating combustion gas the most according to claim 1, it is characterised in that:
Spiral stream guidance pipe and helical baffles it is provided with in described generator.
The air source absorption type heat pump assembly of associating combustion gas the most according to claim 1, it is characterised in that:
Being provided with the radiating fin that some cross sections are triangle on described tube wall, all of radiating fin unifies edge
Clockwise or unified along tilting counterclockwise, and the plane at the place, lateral wall of radiating fin and tube wall
The circle at place is tangent, the cross sectional shape of described turbulent be triangle, rectangle, trapezoidal, circular or on
State the combinative structure of three kinds of shapes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610333704.XA CN105953458A (en) | 2016-05-18 | 2016-05-18 | Air source absorption type heat pump device combining fuel gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610333704.XA CN105953458A (en) | 2016-05-18 | 2016-05-18 | Air source absorption type heat pump device combining fuel gas |
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| CN105953458A true CN105953458A (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610333704.XA Pending CN105953458A (en) | 2016-05-18 | 2016-05-18 | Air source absorption type heat pump device combining fuel gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109520175A (en) * | 2018-11-19 | 2019-03-26 | 上海交通大学 | A kind of Driven by Solar Energy steam injection auxiliary ammonia water absorbing heat pump |
| CN111336720A (en) * | 2020-02-19 | 2020-06-26 | 西安交通大学 | Full-water-cooling segregation ammonia absorption heat pump system and control method |
| CN115317234A (en) * | 2022-07-21 | 2022-11-11 | 河南中栋医疗科技有限公司 | Intracavity heat perfusion medicine circulation pipeline system |
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Application publication date: 20160921 |