CN107525119A - A kind of absorption type heat pump heat distribution system - Google Patents

A kind of absorption type heat pump heat distribution system Download PDF

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Publication number
CN107525119A
CN107525119A CN201710686903.3A CN201710686903A CN107525119A CN 107525119 A CN107525119 A CN 107525119A CN 201710686903 A CN201710686903 A CN 201710686903A CN 107525119 A CN107525119 A CN 107525119A
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CN
China
Prior art keywords
heat
high temperature
cavity
low temperature
solution
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.)
Pending
Application number
CN201710686903.3A
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Chinese (zh)
Inventor
郑赛
张辉
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Baoding Branch Energy Saving Technology Promotion Co Ltd
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Baoding Branch Energy Saving Technology Promotion Co Ltd
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Application filed by Baoding Branch Energy Saving Technology Promotion Co Ltd filed Critical Baoding Branch Energy Saving Technology Promotion Co Ltd
Priority to CN201710686903.3A priority Critical patent/CN107525119A/en
Publication of CN107525119A publication Critical patent/CN107525119A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/18Hot-water central heating systems using heat pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/06Arrangements of devices for treating smoke or fumes of coolers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B15/00Sorption machines, plants or systems, operating continuously, e.g. absorption type
    • F25B15/02Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
    • F25B15/06Sorption 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/04Heat pumps of the sorption type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/06Heat pumps characterised by the source of low potential heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00Heat sources or energy sources
    • F24D2200/12Heat pump
    • F24D2200/126Absorption type heat pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00Heat sources or energy sources
    • F24D2200/16Waste heat
    • F24D2200/18Flue gas recuperation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62Absorption based systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chimneys And Flues (AREA)

Abstract

The invention discloses a kind of absorption type heat pump heat distribution system, belongs to energy technology application field.It includes:The high temperature chamber of closed cavity, solution is filled in it, and it is internal be provided with combustion chamber, combustion chamber connects off-gas recovery device;The low temperature cavity of closed cavity;Heat supply pipeline, sequentially pass through low temperature cavity and high temperature chamber;First spray thrower, inside low temperature cavity, input connection high temperature chamber, output end alignment heat supply pipeline;Flue gas cool-down pipeline, circulation loop is formed, a part of loop is inside low temperature cavity, and another part loop is inside off-gas recovery device;First Condensed water collection portion, located at the lower section of high temperature intracavitary portion heat supply pipeline;Second spray thrower, inside low temperature cavity, connect the first Condensed water collection portion and be directed at flue gas cool-down pipeline, the water in the first Condensed water collection portion is sprayed to the outer wall of flue gas cool-down pipeline.The heating efficiency and waste heat recovery ultrahigh in efficiency of the heating system of the present invention, and Miniaturization Design is used, improve practicality and scalability.

Description

A kind of absorption type heat pump heat distribution system
Technical field
The present invention relates to energy technology application field, more particularly to a kind of absorption type heat pump heat distribution system.
Background technology
Natural gas has obtained more and more extensive application as a kind of clean energy resource.Main composition is first in natural gas Alkane (CH4), vapor (H in its combustion product (flue gas)2O for content) about in 12-17%, condensation temperature is about 55 DEG C or so. Known gas heating boiler caused a large amount of flue gases during combustion heat supplying, pass through air preheater, gas-water heat exchanger After heat exchange, for exhaust gas temperature still more than 60 DEG C, vapor forms wave still without condensation, 15% or so heat with fume emission Take, the heating boiler efficiency of heating boiler is only 92-94% (net quantity of heat 110%), so as to cause energy utilization rate low; In addition, because containing a large amount of vapor in smoke evacuation, aerial rear condensation is drained into, a large amount of " white cigarettes " is formed, influences urban landscape.
At present, for this case, flue gas waste heat recovery is generally carried out using gas absorption heat pump, in 60 DEG C of rows of boiler On the basis of cigarette, gas fired-boiler and the fume afterheat of itself are reclaimed using cold caused by heat pump, improves heat capacity.The skill Art improves the utilization ratio of combustion gas to a certain extent, alleviates the phenomenon for emitting " white cigarette ".But because absorption heat pump needs It is separately fabricated, miniaturization difficult, it is only applicable to fairly large boiler room., can not for small-sized or household fuel gas boiler Transformed.
The content of the invention
It is an object of the invention to provide a kind of absorption type heat pump heat distribution system, can adjust refrigerating capacity, makes caused substantial amounts of Cold can meet the needs of flue gas waste heat recovery, while improve energy heating efficiency and flue gas waste heat recovery efficiency;In addition, this Invention employs integration, Miniaturization Design, saves the space of equipment, adds the autgmentability used;And eliminate Emit " white cigarette " phenomenon.
To solve the above problems, the first aspect of the present invention provides a kind of absorption type heat pump heat distribution system, including:High temperature Chamber, be formed as enclosed cavity, carry solution in cavity, and inside cavity is provided with combustion chamber, the one of the combustion chamber End connection off-gas recovery device;Low temperature cavity, be formed as enclosed cavity;Heat supply pipeline, sequentially pass through the inside of the low temperature cavity With the inside of high temperature chamber;First spray thrower, the inside of the low temperature cavity is arranged on, its input connects the high temperature chamber, and its is defeated Go out end and be directed at the heat supply pipeline, for by the spray solution of the high temperature intracavitary the heat supply pipeline outer wall;Flue gas drops Warm pipeline, circulation loop is formed, a part of loop is arranged on the inside of the low temperature cavity, and another part loop is arranged on the cigarette Inside gas recover;First Condensed water collection portion, it is arranged on the lower section of the heat supply pipeline of the inside of the high temperature chamber;Second spray Device, the inside of the low temperature cavity is arranged on, its input connects the first Condensed water collection portion, and its output end is directed at the flue gas Cool pipeline, for the water in the first Condensed water collection portion to be sprayed to the outer wall of the flue gas cool-down pipeline.
Preferably, described heat pump heat distribution system, in addition to, the heat supply pipeline forms first in the low temperature cavity and changed Heat tube bundle;The heat supply pipeline forms the second heat exchange tube bundle in the high temperature intracavitary.
Preferably, described heat pump heat distribution system, in addition to:Second Condensed water collection portion, is arranged on the interior of the low temperature cavity The lower section of the flue gas cool-down pipeline in portion, and one end connects the first Condensed water collection portion, the other end connects second spray thrower.
Preferably, described heat pump heat distribution system, in addition to:Solution recycling line road and it is arranged on the solution recycling line road On solution recovery pump;The one end in the solution recycling line road connects the low temperature cavity, and the other end connects the high temperature chamber.
Preferably, described heat pump heat distribution system, the high temperature chamber are arranged at the top of the low temperature cavity, the high temperature chamber There is the pressure differential of preset range between the low temperature cavity;The first Condensed water collection portion and the second Condensed water collection portion it Between be provided with condensate portion connecting pipe, be provided with communicating valve on condensate portion connecting pipe.
Preferably, described heat pump heat distribution system, the pressure differential between the high temperature chamber and the low temperature cavity do not reach pre- Determine scope;Condensate portion connecting pipe is provided between the first Condensed water collection portion and the second Condensed water collection portion, it is described solidifying Condensate delivery pump is provided with water portion connecting pipe.
Preferably, described heat pump heat distribution system, in addition to:Solution heat exchanger;Wherein, first spray thrower and institute High temperature chamber is stated to connect by spray piping;The solution heat exchanger is arranged on the solution recycling line road and the spray piping On;
The solution heat exchanger is used for the concentrated solution in the weak solution and spray piping in the solution recycling line road Carry out heat exchange.
Preferably, described heat pump heat distribution system, in addition to:
Solution transfer pump, it is arranged on the spray piping, to control the flow velocity of high temperature luminal solution and flow.It is preferred that Ground, described heat pump heat distribution system, second spray thrower are arranged on the top of the flue gas cool-down pipeline;Second spray Condensate conveyance conduit is provided between device and the second Condensed water collection portion, condensate spray is provided with the condensate conveyance conduit Pump.
Preferably, described heat pump heat distribution system, the flue gas cool-down pipeline is in the low temperature cavity inside turn to form pipe Cluster.
Preferably, described heat pump heat distribution system, circulating pump is set on the flue gas cool-down pipeline.
Preferably, described heat pump heat distribution system, in addition to, burner, in the outside of the high temperature chamber, and and combustion chamber Connection.
The above-mentioned technical proposal of the present invention has following beneficial technique effect:Using integration, Miniaturization Design, save Space, improves practicality and scalability.By setting heat supply pipeline, and make heat supply pipeline respectively low temperature cavity, High temperature chamber spirals to form endothermic tube cluster, to cause the solution in pipe to be heated up with large area, while through low temperature cavity and high temperature chamber two Secondary heating treatment, to improve heating efficiency.By setting flue gas cool-down pipeline, loop is formed with off-gas recovery device, to cause cigarette Condensate in gas cooling pipeline can enter off-gas recovery device, and the flue gas and condensate for making the high heat in off-gas recovery device are carried out Heat exchange, to reach the purpose of waste heat recovery, greatly improve waste heat recovery efficiency;Produced when it also avoid discharging fume again simultaneously Raw emits white cigarette phenomenon, causes to influence urban landscape.Therefore, the absorption type heat pump heat distribution system designed by the present invention, regulation Refrigerating capacity, the flue gas waste heat recovery of itself is met with refrigerating capacity caused by alloing, while improve heating efficiency, improved Energy utilization rate is to reach the purpose of energy-conserving and environment-protective, and the system space is small, with very strong practicality and widely Autgmentability.
Brief description of the drawings
Fig. 1 is the structural representation according to absorption type heat pump heat distribution system first embodiment of the present invention.
Reference:
1:High temperature chamber;2:Combustion chamber;3:Off-gas recovery device;4:Low temperature cavity;5:Heat supply pipeline;501:First heat exchange tube bundle; 502:Second heat exchange tube bundle;6:First spray thrower;7:Flue gas cool-down pipeline;701:Tube bundle;8:First Condensed water collection portion;9:Second Spray thrower;10:Second Condensed water collection portion;11:Solution recycling line road;12:Solution recovery pump;13:Communicating valve;14:Solution heat is handed over Parallel operation;15:Spray piping;16:Condensate conveyance conduit;17:Condensate spray pump;18:Circulating pump;19:Solution transfer pump; 20:Combustion Burner.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to embodiment and join According to accompanying drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair Bright scope.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring this The concept of invention.
Described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of protection of the invention.
In the description of the invention, it is necessary to which explanation, term " first ", " second ", " the 3rd " are only used for describing purpose, And it is not intended that instruction or hint relative importance.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other It is be combined with each other into conflict can.
The present invention is more fully described hereinafter with reference to accompanying drawing.In various figures, identical element is using similar attached Icon is remembered to represent.For the sake of clarity, the various pieces in accompanying drawing are not necessarily to scale.
Referring to Fig. 1, Fig. 1 is the structural representation according to absorption type heat pump heat distribution system first embodiment of the present invention.
As shown in figure 1, the embodiment provides a kind of absorption type heat pump heat distribution system, set suitable for gas heating It is standby, including:High temperature chamber 1, low temperature cavity 4, off-gas recovery device 3, heat supply pipeline 5, the first spray thrower 6, flue gas cool-down pipeline 7, first The spray thrower 9 of Condensed water collection portion 8 and second.
Wherein, high temperature chamber 1 is formed as enclosed cavity.Solution is carried in the cavity, and inside cavity is provided with combustion Burn chamber 2.One end connection of combustion chamber 2 is arranged on the off-gas recovery device 3 outside high temperature chamber 1, and other end connection is arranged on high temperature chamber 1 Outside burner 20., wherein it is desired to explanation, the interior cavity of high temperature chamber 1 is vacuum state.Fuel is out of burner 20 Spray, the burning in combustion chamber 2 of igniting post fuel discharges substantial amounts of heat energy.The heat energy that solution in cavity absorbs fuel combustion obtains To heating.Wherein, solution is the mixed solution of other materials and water, when solution is warming up to up to predetermined temperature, the water in solution The raw evaporation of distribution becomes vapor.Specifically, solution can be lithium bromide water solution or calcium chloride water, but the guarantor of the present invention Shield scope is not limited to both solution.
Low temperature cavity 4 is formed as enclosed cavity.It is vacuum state in the cavity.
Heat supply pipeline 5 sequentially passes through the inside of the low temperature cavity 4 and the inside of high temperature chamber 1.Wherein, heat supply pipeline 5 is defeated Enter end to connect with external infusion case, the medium in external infusion case is flowed into heat supply pipeline 5 by input.In heat supply pipeline 5 Medium by low temperature cavity 4 inside when heated for the first time, be heated follow-up afterflow move, flowing through the inside of high temperature chamber 1 When heated for the second time.Medium in heat supply pipeline 5 is immediately conveyed to outside heating system for building after being heated twice The heating of thing etc..Specifically, medium can be water, but protection scope of the present invention is not limited to water.
First spray thrower 6, is arranged on the inside of the low temperature cavity 4, and its input connects the high temperature chamber 1, its output end Be directed at the heat supply pipeline 5, for by the spray solution in the high temperature chamber 1 the heat supply pipeline 5 outer wall.Wherein, need It is noted that the first spray thrower 6 can be arranged on the surface of heat supply pipeline 5, the side of heat supply pipeline 5 can also be arranged on Face, as long as the output end of the first spray thrower 6 can cover heat supply pipeline 5, by the spray solution of high temperature intracavitary in heat supply pipeline 5 The position of outer wall is all within protection scope of the present invention.
Flue gas cool-down pipeline 7, circulation loop is formed, a part of loop is arranged on the inside of the low temperature cavity 4, another part Loop is arranged on inside the off-gas recovery device 3., wherein it is desired to which explanation is that stream has medium in flue gas cool-down pipeline 7, work as pipeline Cooled when interior medium flows through 4 inside of low temperature cavity, the medium after being cooled continues to run to off-gas recovery device 3, is returned in flue gas Receive in device 3 and carry out heat exchange with high-temperature flue gas.After heat exchange, the flue-gas temperature in off-gas recovery device 3 is reduced and is discharged; And medium temperature raises and assembles to the bottom of off-gas recovery device 3, it flow back into low temperature cavity 4 and carries out again along flue gas cool-down pipeline 7 Cooling, flowing to afterwards in off-gas recovery device 3 with flue gas progress heat exchange, so moving in circles, constantly reclaim high temperature cigarette Heat energy in gas.Specifically, medium can be water, but protection scope of the present invention is not limited to water.
First Condensed water collection portion 8, it is arranged on the lower section of the heat supply pipeline 5 of the inside of the high temperature chamber 1.Wherein, first is solidifying Water collection portion 8 is large container, and its caliber size is more than or equal to the area of the second heat absorption tube bundle 502, shape can be plate-like, Tubbiness, coniform and square, hexagon, but be not limited to above-mentioned shape, as long as collection to condensate can be completed in this hair Bright protection domain.The lower section of heat supply pipeline 5 is disposed at, to collect high-temperature vapor after the liquidation exothermic reaction of heat supply pipeline 5 The water droplet of formation.
Second spray thrower 9, the inside of the low temperature cavity 4 being arranged on, its input connects the first Condensed water collection portion 8, Its output end is directed at the flue gas cool-down pipeline 7, for the water in the first Condensed water collection portion 8 to be sprayed at into the flue gas The outer wall of cooling pipeline 7., wherein it is desired to explanation, the second spray thrower 9 can be arranged on the surface of flue gas cool-down pipeline 7, The side of flue gas cool-down pipeline 7 can also be arranged on, is existed as long as the output end of the second spray thrower 9 can cover flue gas cool-down pipeline 7 At tube bundle 701 in low temperature cavity 4, by the spray solution in high temperature chamber 1 in the position of the outer wall of tube bundle 701 all the present invention's Within protection domain.Due to the medium in flue gas cool-down pipeline 7, there occurs heat friendship with high-temperature flue gas in off-gas recovery device 3 Change, medium temperature rise;And the solution of the second spray thrower 9 sprinkling derives from the condensate of the first Condensed water collection portion 8, temperature is very low, with Cause evaporation of being absorbed heat at once after condensate is sprayed on the outer wall of tube bundle 701 forms vapor.Because of condensate absorption in evaporation process Heat is the heat of medium in tube bundle 701, so as to realize the cooling to medium in flue gas cool-down pipeline 7.
The high temperature chamber 1 of vacuum state is by the use of heat caused by combustion chamber 2 is come from as driving heat source, to the weak solution of intracavitary Heating concentration.The first spray thrower 6 that concentrated solution caused by concentration is flowed in low temperature cavity 4, alignment heat supply pipeline 5 are sprayed.Profit Absorb water exothermicity after being sprayed with concentrated solution, completes the first time heating to the medium in heat supply pipeline 5.Solution concentration process is same When produce substantial amounts of high-temperature water vapor, at the heat supply pipeline 5 for the top for rising to high temperature chamber 1;Heat supply pipeline 5 is steamed using high-temperature water The heat of the vapour latent heat of condensation, the medium that the process from heat supply pipeline 5 once heats is heated again, finally cause heat supply Medium in pipeline 5 reaches required temperature, so that outside uses.High-temperature steam is liquefied as condensate conveying in the outer wall of heat supply pipeline 5 To the second spray thrower 9, and it is sprayed onto on flue gas cool-down pipeline 7 and the medium in pipeline is cooled.Due to flue gas cool-down pipe Medium temperature in road 7 is high, and the condensate temperature of spray is low, and condensate absorbs heat in the outer wall low-temperature evaporation of flue gas cool-down pipeline 7, So that pipeline internal medium temperature reduces, heat exchange is completed.Medium after cooling enters off-gas recovery device 3, absorbs high temperature cigarette Heat in gas, flue gas cool-down pipeline is flowed back to, complete cyclic process.Medium in heat supply pipeline 5 is carried out for the first time in concentrated solution While heating, solution is returned to high temperature chamber 1 and concentrates Posterior circle and used by dense thinning.
The above embodiment of the present invention technical scheme employs integration, Miniaturization Design, saves space;Meanwhile The heating system of the present invention can be made to be applied to a variety of environment, broken application limitation of the prior art, improved practicality And scalability.And heat supply pipeline of the present invention heats up twice by low temperature cavity and high temperature chamber, and export immediately after heating for Outside uses, and improves heating efficiency, reduces thermal loss.In addition, it is of the invention by setting flue gas cool-down pipeline, and make Flue gas cool-down pipe forms loop between off-gas recovery device, to cause the medium in flue gas cool-down pipeline to be returned with recovered flue gas The heat in device high temperature flue gas is received, greatly improves waste heat recovery efficiency, enables the system to enough complete to self heat Recovery.Meanwhile discharged after cooling high-temperature fume, effective utilization of the energy is not only realized, it is direct also effectively to avoid high temperature The phenomenon that " emits white cigarette " caused by discharge, enables urban landscape to beautify.
The absorption type heat pump heat distribution system described according to a second embodiment of the present invention, in addition to:Second Condensed water collection portion 10, The lower section of the flue gas cool-down pipeline 7 of the inside of the low temperature cavity 4 is arranged on, and one end connects the first Condensed water collection portion 8, separately One end connects second spray thrower 9., wherein it is desired to explanation, the second Condensed water collection portion 10 is large container, and its bore is big The small area more than or equal to loop of the flue gas cool-down pipeline 7 in low temperature cavity 4, shape can be plate-like, tubbiness, it is coniform with And square, hexagon, but above-mentioned shape is not limited to, as long as collection to condensate can be completed in protection scope of the present invention. 10 play transitional function between the first Condensed water collection portion 8 and the second spray portion, and collect the second spray portion 9 spray out it is more Remaining condensate, prevent unnecessary water from falling on heat supply pipeline 5, while the condensate for preventing from spraying is trickled down in the first heat absorption tube bundle 501, the cooling to the first heat absorption tube bundle 501 is caused, and play reaction.
The absorption type heat pump heat distribution system described according to a third embodiment of the present invention, in addition to:The He of solution recycling line road 11 The solution recovery pump 12 being arranged on the solution recycling line road 11.The one end in the solution recycling line road 11 connects the low temperature Chamber 4, the other end connect the high temperature chamber 1., wherein it is desired to explanation, the input in solution recycling line road 11 can be arranged on The bottom of low temperature cavity 4, side wall, as long as the position of high temperature chamber 1 can be delivered to all by the congregate solution of low temperature cavity 4 by being arranged on In protection scope of the present invention.After the liquid of the congregate of low temperature cavity 4 flows into solution recycling line road 11, liquid reclaims in solution It is transported under the driving effect of pump 12 in high temperature chamber 1, and is heated evaporation again and forms vapor, weak solution and concentrated solution. Assemble because concentrated solution relative molecular mass is larger to the bottom of high temperature chamber 1.Vapor rises to the top of high temperature chamber 1, The outer surface liquidation exothermic reaction of heat supply pipeline 5, the medium transferred heat in heat supply pipeline 5, so as to complete second of heating.Such as This moves in circles.Specifically, medium can be water, but protection scope of the present invention is not limited to water.
The absorption type heat pump heat distribution system described according to a fourth embodiment of the present invention, when high temperature chamber 1 is arranged at low temperature cavity 4 During top, the pressure differential that a range of pressure differential is formed between high temperature chamber 1 and the low temperature cavity 4 and is formed is in predetermined model Enclose.Due to pressure differential between the high temperature chamber 1 and low temperature cavity 4 be present, the condensate in the first Condensed water collection portion 8 is connected by condensate portion Thread a pipe in the second Condensed water collection portion 10 that flows into.Preferably, can be between the first Condensed water collection portion and the second Condensed water collection portion Pipeline on set communicating valve 13, to control the speed and flow of condensate in the pipeline.
The absorption type heat pump heat distribution system described according to a fifth embodiment of the present invention, when the pressure of high temperature chamber 1 and low temperature cavity 4 Difference is not reaching to preset range (for example, high temperature chamber 1 is located at same level height with low temperature cavity 4, or level height is more or less the same). 8 condensate is flowed into the second Condensed water collection portion 10 by condensate portion connecting pipe in first Condensed water collection portion.Preferably, Ke Yi Condensate delivery pump is set on the pipeline between the first Condensed water collection portion 8 and the second Condensed water collection portion 10, coagulated with controlling in the pipeline The speed and flow of water.
Based on the absorption type heat pump heat distribution system of third embodiment of the invention description, the present embodiment also includes:Solution heat is handed over Parallel operation 14, wherein, first spray thrower 6 is connected with the high temperature chamber 1 by spray piping 15.The solution heat exchanger 14 are arranged on the solution recycling line road 11 and the spray piping 15.The solution heat exchanger 14 is used for described molten Concentrated solution in weak solution and spray piping 15 in liquid recovery tube 11 carries out heat exchange.It should be noted that spray piping 15 It can connect in the bottom of high temperature chamber 1, side wall, as long as being arranged on can make the high temperature concentrated solution in high temperature chamber 1 flow into spray piping 15 position is in protection scope of the present invention.Solution heat exchanger 14 is arranged on solution recycling line road 11 and spray piping 15 On, the position of high temperature chamber 1, the position among pipeline can be proximate to or close to the position of low temperature cavity 4.Solution recycling line road 11 The solution of interior flowing is weak solution and temperature is relatively low, and the solution of flowing is concentrated solution in spray piping 15 and temperature is higher;When dilute When solution and concentrated solution simultaneously flow through solution heat exchanger 14, heat exchange occurs for low and high temperature solution.The latent heat of high temperature side simultaneously It is transferred to low temperature side, the concentration increase of high temperature side concentrated solution;The concentration of low temperature side weak solution reduces, to realize thermic load and cold negative The reduction of lotus, and then the thermal efficiency is improved, increase refrigerating capacity.
Based on the absorption type heat pump heat distribution system of the above embodiment of the present invention description, the present embodiment also includes:Solution conveys Pump 19, it is arranged on the spray piping 15, to control the flow velocity and flow of solution in high temperature chamber 1.When high temperature chamber 1 and low temperature cavity When pressure differential between 4 reaches predetermined range value, the solution in high temperature chamber 1 utilizes pressure differential, is delivered to by spray piping 15 First spray thrower 6 is sprayed;It is defeated in solution when the pressure differential between high temperature chamber 1 and low temperature cavity 4 is not up to predetermined range value Send under the driving effect of pump 19, the solution in high temperature chamber 1 is delivered to the first spray thrower 6 by spray piping 15 and sprayed.Enter And the solution in high temperature chamber 1 is quickly delivered to the first spray thrower 6, reduce the loss of heat;Controlled simultaneously using delivery pump 19 The flow and flow velocity of solution processed.
In an alternative embodiment, the second spray thrower 9 is arranged on the top of the flue gas cool-down pipeline 7 as previously described.Institute State and condensate conveyance conduit 16 is provided between the second spray thrower 9 and the second Condensed water collection portion 10, the condensate conveyance conduit Condensate spray pump 17 is provided with 16.It should be noted that after condensate is collected in the second Condensed water collection portion 10, sprayed in condensate Under the driving force of pump 17, the second spray thrower 9 is transported to by condensate conveyance conduit 16, to complete to flue gas cool-down pipeline 7 Spray, so as to realize the cooling to flue gas cool-down pipeline 7.
In another alternative embodiment, the flue gas cool-down pipeline 7 is in the inside turn of low temperature cavity 4 to form tube bundle 701.
In another alternative embodiment, circulating pump 18 is set on the flue gas cool-down pipeline 7.When flue gas cool-down pipeline 7 Medium cooled, cool down after, under the driving of circulating pump 18, the eminence for being promoted to off-gas recovery device 3 flows down so that is gathered in The high-temperature flue gas of the top of off-gas recovery device 3 can carry out heat exchange with the medium after cooling, to realize to hot in high-temperature flue gas The recovery of amount.Medium raises with the temperature after flue gas heat-shift, assembles to the bottom of off-gas recovery device 3, flows into flue gas cool-down Pipeline 7, which is again introduced into low temperature cavity, to be cooled, and is completed heat exchange, is so moved in circles.Specifically, medium can be water, but Protection scope of the present invention is not limited to water.
In another alternative embodiment, burner 20, connected in the outside of the high temperature chamber 1, and with combustion chamber 2.Fuel Sprayed in from burner 20, the burning in combustion chamber 2 of igniting post fuel discharges substantial amounts of heat energy.Solution in cavity absorbs fuel The heat energy of burning is heated up.
A kind of absorption type heat pump heat distribution system of the present invention is saved space, improved using integration, Miniaturization Design Practicality and scalability.By setting heat supply pipeline, and heat supply pipeline is set to spiral to form suction in low temperature cavity, high temperature chamber respectively Heat tube bundle, to cause the solution in pipe to be heated up with large area, while through low temperature cavity and the heating treatment twice of high temperature chamber, to improve Heating efficiency.By setting flue gas cool-down pipeline, loop is formed with off-gas recovery device, to cause the condensate in flue gas cool-down pipeline Off-gas recovery device can be entered, the flue gas and condensate for making the high heat in off-gas recovery device carry out heat exchange, to reach remaining The purpose of recuperation of heat, waste heat recovery efficiency is greatly improved, enable the system to enough recovery completed to self heat.Simultaneously Avoid and emit white cigarette phenomenon caused by discharging fume again, cause to influence urban landscape.Therefore, the absorption type heat designed by the present invention Heat pump heating system, refrigerating capacity is have adjusted, to allow caused refrigerating capacity to meet the flue gas waste heat recovery of itself, improved simultaneously Heating efficiency, energy utilization rate is improved to reach the purpose of energy-conserving and environment-protective, and the system space is small, has very strong Practicality and extensive autgmentability.
It should be appreciated that the above-mentioned embodiment of the present invention is used only for exemplary illustration or explains the present invention's Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.In addition, appended claims purport of the present invention Covering the whole changes fallen into scope and border or this scope and the equivalents on border and repairing Change example.

Claims (10)

  1. A kind of 1. absorption type heat pump heat distribution system, it is characterised in that including:
    High temperature chamber (1), be formed as enclosed cavity, solution is carried in cavity, and inside cavity is provided with combustion chamber (2), One end connection off-gas recovery device (3) of the combustion chamber (2);
    Low temperature cavity (4), is formed as enclosed cavity;
    Heat supply pipeline (5), sequentially pass through the inside of the low temperature cavity (4) and the inside of high temperature chamber (1);
    First spray thrower (6), the inside of the low temperature cavity (4) is arranged on, its input connects the high temperature chamber (1), and it is exported End is directed at the heat supply pipeline (5), for by outer wall of the spray solution in the high temperature chamber (1) in the heat supply pipeline (5);
    Flue gas cool-down pipeline (7), circulation loop is formed, a part of loop is arranged on the inside of the low temperature cavity (4), another part It is internal that loop is arranged on the off-gas recovery device (3);
    First Condensed water collection portion (8), it is arranged on the lower section of the heat supply pipeline (5) of the inside of the high temperature chamber (1);
    Second spray thrower (9), is arranged on the inside of the low temperature cavity (4), and its input connects the first Condensed water collection portion (8), its output end is directed at the flue gas cool-down pipeline (7), for the condensate in the first Condensed water collection portion (8) to be sprayed at The outer wall of the flue gas cool-down pipeline (7).
  2. 2. heat pump heat distribution system according to claim 1, wherein,
    The heat supply pipeline (5) forms the first heat exchange tube bundle (501) in the low temperature cavity (4);
    The heat supply pipeline (5) forms the second heat exchange tube bundle (502) in the high temperature chamber (1).
  3. 3. heat pump heat distribution system according to claim 1, in addition to:
    Second Condensed water collection portion (10), it is arranged on the lower section of the flue gas cool-down pipeline (7) of the inside of the low temperature cavity (4), and one End connects the first Condensed water collection portion (8), and the other end connects second spray thrower (9).
  4. 4. heat pump heat distribution system according to claim 1, in addition to:Solution recycling line road (11) and it is arranged on the solution Solution recovery pump (12) on recovery channel (11);One end of the solution recycling line road (11) connects the low temperature cavity (4), separately One end connects the high temperature chamber (1).
  5. 5. heat pump heat distribution system according to claim 3, wherein,
    The high temperature chamber (1) is arranged at the top of the low temperature cavity (4), has between the high temperature chamber (1) and the low temperature cavity (4) There is the pressure differential of preset range;It is provided between the first Condensed water collection portion (8) and the second Condensed water collection portion (10) solidifying Water portion connecting pipe, communicating valve (13) is provided with condensate portion connecting pipe.
  6. 6. heat pump heat distribution system according to claim 3, wherein,
    Pressure differential between the high temperature chamber (1) and the low temperature cavity (4) does not reach preset range;The first Condensed water collection portion (8) condensate portion connecting pipe is provided between the second Condensed water collection portion (10), is set on condensate portion connecting pipe There is condensate delivery pump.
  7. 7. heat pump heat distribution system according to claim 4, in addition to solution heat exchanger (14);
    Wherein, first spray thrower (6) is connected with the high temperature chamber (1) by spray piping (15);The solution heat exchange Device (14) is arranged on the solution recycling line road (11) and the spray piping (15);
    The solution heat exchanger (14) is used in the weak solution in the solution recycling line road (11) and spray piping (15) Concentrated solution carry out heat exchange.
  8. 8. according to the heat pump heat distribution system described in any one of claim 3,5,6, wherein,
    Second spray thrower (9) is arranged on the top of the flue gas cool-down pipeline (7);
    Condensate conveyance conduit (16) is provided between second spray thrower (9) and the second Condensed water collection portion (10), it is described Condensate spray pump (17) is provided with condensate conveyance conduit (16).
  9. 9. according to the heat pump heat distribution system described in claim any one of 1-7, wherein,
    The flue gas cool-down pipeline (7) is in the low temperature cavity inside turn to form tube bundle (701).
  10. 10. according to the heat pump heat distribution system described in claim any one of 1-7, wherein,
    Circulating pump (18) is set on the flue gas cool-down pipeline (7).
CN201710686903.3A 2017-08-11 2017-08-11 A kind of absorption type heat pump heat distribution system Pending CN107525119A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2804841A1 (en) * 1978-02-04 1979-08-09 Broetje Fa August High efficiency heating system - uses Diesel engine to drive heat pump and recovers waste heat from cooling water and exhaust gas
CN2522802Y (en) * 2001-12-17 2002-11-27 清华大学 Direct-burning type absorbing type water-cooling-heating machine group
CN203980641U (en) * 2014-07-22 2014-12-03 江苏双良锅炉有限公司 Utilize flue gas type lithium bromide heat pump to realize the hot water boiler system of condensation
CN106524578A (en) * 2016-12-16 2017-03-22 北京联力源科技有限公司 Absorption energy storage system, energy supply system and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2804841A1 (en) * 1978-02-04 1979-08-09 Broetje Fa August High efficiency heating system - uses Diesel engine to drive heat pump and recovers waste heat from cooling water and exhaust gas
CN2522802Y (en) * 2001-12-17 2002-11-27 清华大学 Direct-burning type absorbing type water-cooling-heating machine group
CN203980641U (en) * 2014-07-22 2014-12-03 江苏双良锅炉有限公司 Utilize flue gas type lithium bromide heat pump to realize the hot water boiler system of condensation
CN106524578A (en) * 2016-12-16 2017-03-22 北京联力源科技有限公司 Absorption energy storage system, energy supply system and method

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Title
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