CN108151359A - A kind of two level heat accumulating type domestic solar utilizes system - Google Patents
A kind of two level heat accumulating type domestic solar utilizes system Download PDFInfo
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- CN108151359A CN108151359A CN201810001468.0A CN201810001468A CN108151359A CN 108151359 A CN108151359 A CN 108151359A CN 201810001468 A CN201810001468 A CN 201810001468A CN 108151359 A CN108151359 A CN 108151359A
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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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- 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
- Y02A30/272—Solar heating or cooling
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
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- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention discloses a kind of two level heat accumulating type domestic solars to utilize system, including solar thermal unit and Solar use unit, it further includes and two level thermal storage unit, two level thermal storage unit passes through endothermic reaction device, thermal-arrest heat transferring medium pipeline, rectifying column, the first condenser, gas-liquid separator, hydrogen gas storage tank, fluid storage tanks, exothermic reactor are formed, the device stores solar energy unstable, the intermittent shortcoming that can solve Solar use by way of chemical energy.Further the occupation mode realizes the heat energy utilization of solar energy in a manner of chemical energy storage, improves the utilization ratio of solar energy.The setting of exothermic reactor can improve the high temperature heat of system output so that the system has the scope of application of bigger.
Description
Technical field
The present invention relates to technical field of solar, and system is utilized more particularly to a kind of two level heat accumulating type domestic solar
System.
Background technology
Solar energy is as clean energy resource, because its pollution-free has been obtained largely being used by people.Solar water heater
It is widely used in China, is mainly used for providing domestic hot-water for warm.Existing solar water heater includes solar energy heating
The heat being collected into for the water in heating water tank, is realized and provides hot water for warm by device and water tank, solar thermal collector.It is but existing
There is technology solar heat collector to be limited the difference with summer in winter illumination condition, in summer water temperature height, water temperature in winter is low or even appears in
The situation of hot water can not be provided during rainy weather illumination deficiency so that entire water heater has unstable in actual use
Intermittent shortcoming.
Invention content
The technical problem to be solved in the present invention is:How a kind of two level heat accumulating type domestic solar is provided and utilizes system,
It is unstable when in use to solve solar energy utilization system, there is intermittence, problem can not be used continuously.
To solve the above problems, the present invention provides following technical solutions.
A kind of two level heat accumulating type domestic solar utilizes system, including solar thermal unit and Solar use unit,
Solar thermal unit includes solar energy heat collector, is provided with thermal-arrest heat transferring medium pipeline in solar energy heat collector, too
Sun can utilize unit to include a First Heat Exchanger;Thermal-arrest is connected with heat transferring medium pipeline with First Heat Exchanger, flows through thermal-arrest
It is exchanged heat with the service water in the heat transferring medium and First Heat Exchanger of heat transferring medium pipeline, further includes two level thermal storage unit, two
Grade thermal storage unit includes endothermic reaction device, and two level accumulation of heat outlet, two level accumulation of heat are provided in the middle part of thermal-arrest heat transferring medium pipeline
There is one section and be located at secondary cycle pipeline, secondary cycle pipeline is provided between heat transferring medium entrance with thermal-arrest is exported to
In endothermic reaction device and it is the part of its heat supply, the gas vent of endothermic reaction device and the reactant entrance of rectifying column pass through pipeline
Connection, the bypass outlet of rectifying column connect with endothermic reaction device reaction raw materials entrance by pipeline, the rectifying outlet of rectifying column and
First condenser inlet is connected by pipeline, and the first condensator outlet is connect with gas-liquid separator entrance by pipeline, gas-liquid point
The gas access of gas vent and hydrogen gas storage tank from device is connected by pipeline, and liquid outlet and the liquid of gas-liquid separator are deposited
Liquid inlet in storage tank is connected by pipeline, and the gas vent of hydrogen gas storage tank and the liquid outlet of liquid storage tank are with putting
The reaction raw materials entrance of thermal reactor is connected by pipeline, exothermic reactor built-in ignitor device, the reactant of exothermic reactor
Outlet is connected by pipeline with distillation column reactor object entrance, what the outlet of thermal-arrest heat transferring medium pipeline was connected with First Heat Exchanger
There is pipeline one section to be located at the part to exchange heat in exothermic reactor.
In this way, heat transferring medium can be water, paraffin, the phase-change materials such as conduction oil show the solar energy by taking conduction oil as an example
Utilize the specific work process of system.Heat conduction greasy dirt is stored in heat transferring medium holding vessel, into thermal-arrest heat transferring medium pipeline,
Under the action of parabolic trough type heat collector, it is heated to 90 DEG C or so the two level accumulation of heat outlet streams from heat transferring medium pipeline stage casing
Go out and enter endothermic reaction device by the road, the isopropanol in endothermic reaction device is decomposed into acetone and hydrogen after absorbing low-temperature heat quantity, instead
Product is answered to enter rectifying column, is detached in rectifying column, the isopropanol obtained after separation enters endothermic reaction device and carries out cycle profit
With obtained acetone and hydrogen is cooled down from tower top into the first condenser, gas-liquid separator is entered after cooling, into gas-liquid
Hydrogen, acetone after separation is stored in hydrogen gas storage tank, liquid storage tank by the product of separator respectively, while thermal-arrest is with changing
Conduction oil in hot medium pipeline is heated to 180 DEG C -220 DEG C in the heat transferring medium pipeline by whole section and enters exothermic reactor
It exchanges heat, acetone and hydrogen reaction generation isopropanol in exothermic reactor, and big calorimetric is released, heat transfer oil outlet temperature is about
200 DEG C, conduction oil is used to heat water in First Heat Exchanger by First Heat Exchanger after coming out, and completes the utilization of solar energy.Heat release
Igniter is equipped in reactor, for heating the initial temperature for providing petrohol, ensures to encounter rainy days or too in this way
The reaction product being stored in liquid storage tank and hydrogen storage tank during positive energy deficiency, which enters in exothermic reactor, smoothly completes conjunction
Into reaction, heat release is carried out, heats the pipeline being located therein.The device is stored solar energy by way of chemical energy and can solved too
The unstability that sun can utilize, intermittent shortcoming.Further the occupation mode realizes the heat of solar energy in a manner of chemical energy storage
It can utilize, improve the utilization ratio of solar energy.The setting of exothermic reactor can improve the high temperature heat of system output so that
The system has the scope of application of bigger.It should be noted that grade accumulation of heat is opened up with outlet in thermal-arrest on heat transferring medium pipeline
Position it is different, the heat supply temperature of secondary cycle pipeline output also can difference, corresponding two level accumulation of heat export leave into
The temperature of its more remote output of mouth is higher.Dedicated heat exchange pipeline is generally integrated in common endothermic reaction device to be made convenient for connection
With the part pipeline for being used for heat supply in endothermic reaction device in this way is integrated in endothermic reaction device, passes through interface and two level stores
Heat is connected with outlet with thermal-arrest with heat transferring medium entrance, the also similar setting of similary exothermic reactor.
Preferably, solar energy heat collector further includes heat transferring medium holding vessel, parabolic trough type heat collector, heat transferring medium storage
It deposits tank and primary cycle pipeline is formed by pipeline with thermal-arrest heat transferring medium pipeline and First Heat Exchanger, wherein heat transferring medium stores
The outlet of tank is connected with thermal-arrest with the entrance of heat transferring medium pipeline by pipeline, the outlet of thermal-arrest heat transferring medium pipeline connection with
First heat exchange entrance of First Heat Exchanger is connected by pipeline, the first heat exchange outlet of First Heat Exchanger and heat transferring medium holding vessel
Entrance is connected by pipeline, and the pipeline one end stretched into secondary cycle pipeline in endothermic reaction device is connected to two level accumulation of heat with going out
Mouthful, the other end connects the entrance of heat transferring medium holding vessel, completes the cycle of heat transferring medium, and parabolic trough type heat collector is used along thermal-arrest
Heat transferring medium pipeline is axial arranged so that parabolic trough type heat collector can be by the solar light focusing of reflection to the heat transferring medium pipe
Road.
In this way, heat transferring medium holding vessel, for storing heat transferring medium, while can make up heat transferring medium when pipeline recycles
Consumption, parabolic trough type solar thermal collector, by the solar energy collecting of low energy current density into the middle low temperature heat energy of high energy current density,
Heat is provided to heat transferring medium;Thermal-arrest heat transferring medium pipeline, using the solar energy heating heat-storing material of absorption, by solar heat
Amount is stored in heat-storing material, and export the heat transferring medium of different temperatures.
Preferably, hydrogen gas storage tank is metal hydride reactor.
In this way, to store hydrogen by way of reaction safer for metal hydride reactor, prevent a large amount of hydrogen and collect hair
The danger such as raw explosion.
Preferably, being additionally provided with product part flow arrangement between the first condenser and gas-liquid separator, the first condenser goes out
Mouth is connected with the entrance of product part flow arrangement by pipeline, and first outlet and the gas-liquid separator entrance of product part flow arrangement pass through
Pipeline is connected, and the second outlet of product part flow arrangement is connected with the reaction raw materials entrance of exothermic reactor by pipeline.
In this way, a part flow arrangement part enters gas-liquid separator, another part, which enters, is sent directly into exothermic reactor progress
Exothermic reaction, in this way setting are mainly used for hydrogen storage tank and/or the canned full situation of storage in liquid.Part flow arrangement setting can
So that hydrogen storage tank and canned of storage in liquid participate in cycle in energy storage and exoergic, loop structure is optimized in this way.
Preferably, the second heat exchanger is further included, the second outlet of product part flow arrangement, the gas vent of hydrogen gas storage tank
It is connected with the liquid outlet of liquid storage tank with the first heat exchange entrance of the second heat exchanger by pipeline, the of the second heat exchanger
One heat exchange outlet is connected with the reaction raw materials entrance of exothermic reactor by pipeline, the reactant exit of exothermic reactor and second
Second heat exchange entrance of heat exchanger is connected by pipeline, the second heat exchange outlet of the second heat exchanger and the reactant entrance of rectifying column
It is connected by pipeline.
In this way, the setting of the second heat exchanger can preheat the raw material into exothermic reactor, heat release is taken full advantage of in this way
The thermal energy of reaction, improves utilization efficiency of heat energy.
Preferably, Solar use unit further includes absorption SAPMAC method unit, absorption SAPMAC method list includes occurring
Device, thermal-arrest are stretched into generator with a part for the pipeline between the outlet of heat transferring medium pipeline and First Heat Exchanger and are supplied for it
Heat, a part of pipeline for stretching into generator heat supply are located at the rear end of part management stretched into and absorbed heat in exothermic reactor, occur
The aqueous solution entrance of the aqueous solution outlet connection absorber of device, the aqueous solution outlet connection solution pump of absorber, solution pump go out
The aqueous solution entrance of mouth connection generator;The steam outlet of generator connects the steam entry of the second condenser, and second is cold
The entrance of the medium temperature water out connection throttle valve of condenser, the entrance of the outlet connection evaporator of throttle valve, the water vapour of evaporator
The steam entry of outlet connection absorber;The entrance of the water outlet connection water circulating pump of circulating water cooling tower, water circulating pump
The cooling water inlet of the second condenser of outlet connection, the cooling water inlet of the cooling water outlet connection absorber of the second condenser,
The water inlet of the cooling water outlet connection circulating water cooling tower of absorber;The refrigerant water out of evaporator and the refrigerant of fan coil
Water first entrance connects, the refrigerant water inlet of the chilled water first outlet connection evaporator of fan coil.
In this way, can improve the use scope for utilizing system by absorption SAPMAC method unit, specific generator leads to
It crosses conduction oil and receives the heat that exothermic reactor is released, working media aqueous solution therein is heated, in working media aqueous solution
Water be constantly vaporizated into vapor, with the continuous vaporization of dampening, the concentration of working media aqueous solution constantly increases in generator,
It is discharged by the aqueous solution outlet of generator, is entered in absorber by the aqueous solution entrance of absorber.After above-mentioned vaporization vapor by
Generator steam outlet discharge, entered in condenser by the steam entry of condenser, with the cooling water in condenser into
Row heat exchange by the cooling water temperature in condenser, is condensed into middle warm water, and the middle warm water in condenser is arranged by medium temperature water out
Go out, through throttle valve, evaporator entered by the entrance of evaporator, the rapid expansion in evaporator and be vaporizated into vapor again,
Vapor is discharged by the steam outlet of evaporator, enters absorber by the steam entry of absorber, by the work in absorber
Make the absorption of medium aqueous solution, the concentration of working media aqueous solution gradually reduces, and is discharged by the aqueous solution outlet of absorber, via molten
Liquid pump sends generator back to by the aqueous solution entrance of generator, completes entire Absorption Cooling System process.In circulating water cooling tower
Cooling water discharged by water outlet, through circulating pump, condenser is entered by the cooling water inlet of condenser, is followed as absorption refrigeration
Condensed water during ring needed for condenser is increased by with temperature after the vapor heat exchange from generator, by condenser
Cooling water outlet discharge, absorber is entered by the cooling water inlet of absorber, the cooling water outlet of absorber is by cooling water drainage
It is returned in circulating water cooling tower after going out and cools down and recycle.The chilled water of fan coil is discharged into steaming by its refrigerant water out
Device is sent out, is entered in evaporator by the refrigerant water inlet of evaporator, the middle warm water in evaporator is vaporized again in rapid expansion
During for vapor, can largely absorb chilled water heat, make the temperature of chilled water reduce, cold energy reduced with temperature after chilled water
For carrier, discharged, be back in fan coil by the refrigerant water inlet of fan coil, in wind turbine by the refrigerant water out of evaporator
Coil pipe carries out heat exchange with room air, so as to reduce Indoor environment temperature.
Preferably, be additionally provided with chilled water second entrance and chilled water second outlet on fan coil, fan coil it is cold
Matchmaker's water second outlet is connected with the heat exchange entrance of First Heat Exchanger second by pipeline, the second heat exchange outlet of First Heat Exchanger and wind
The chilled water second entrance of machine coil pipe is connected by pipeline;The refrigerant water out of evaporator and the chilled water first of fan coil enter
The pipeline of mouth connection, the chilled water first outlet of fan coil are with connecting the pipeline, wind turbine that the refrigerant water inlet of evaporator connects
Exchange heat pipeline that entrance is connected, First Heat Exchanger of the chilled water second outlet of coil pipe and First Heat Exchanger second second exchanges heat out
Switch valve is equipped on the pipeline that mouth is connected with the chilled water second entrance of fan coil.
In this way, by the control of switch valve, fan coil can be caused to complete the power and energy of refrigeration or heat supply.Specifically
Close the pipeline of the chilled water first entrance connection of the refrigerant water out and fan coil of evaporator, the chilled water the of fan coil
The pipeline that one outlet is connected with connecting the refrigerant water inlet of evaporator, the chilled water second outlet and first for opening fan coil are changed
The the second heat exchange outlet of pipeline and First Heat Exchanger and the chilled water second of fan coil that the hot heat exchange of device second entrance is connected enter
Heat supply can be completed in the connected pipeline of mouth, and opposite can be completed refrigeration.It can be completed needed for household by a fan coil,
Installation space can be saved in this way.
Description of the drawings
Fig. 1 is a kind of structural representation of the two level heat accumulating type domestic solar disclosed in the embodiment of the present invention using system
Figure.
Wherein, 1 it is thermal medium holding vessel, 2 be parabolic trough type heat collector, 3 be thermal-arrest heat transferring medium pipeline, 4 is heat absorption
Reactor, 5 be rectifying column, 6 be the first condenser, 7 be product part flow arrangement, 8 be gas-liquid separator, 9 be the second heat exchanger, 10
It is hydrogen gas storage tank for liquid storage tank, 11,12 be exothermic reactor, 13 be generator, 14 is absorber, 15 be evaporator,
16 it is throttle valve, 17 is the second condenser, 18 is water circulating pump, 19 is cooling tower, 20 is fan coil, 21 is distributing T-pipe
Valve, 22 are First Heat Exchanger.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 please be participate in, Fig. 1 is that a kind of two level heat accumulating type domestic solar disclosed in the utility model embodiment utilizes system
The structure diagram of system.
Present embodiment discloses a kind of two level heat accumulating type domestic solar using system, including solar thermal unit and too
It is positive can be using unit, solar thermal unit includes solar energy heat collector, and thermal-arrest is provided in solar energy heat collector with changing
Hot medium pipeline 3, Solar use unit include a First Heat Exchanger 22;Thermal-arrest is exchanged heat with heat transferring medium pipeline 3 and first
Device 22 is connected, and the service water flowed through in the heat transferring medium and First Heat Exchanger 22 of thermal-arrest heat transferring medium pipeline 3 exchanges heat,
It is characterized in that, further including two level thermal storage unit, two level thermal storage unit includes endothermic reaction device 4, thermal-arrest heat transferring medium pipeline 3
Middle part is provided with two level accumulation of heat outlet, and two level accumulation of heat is provided with two with thermal-arrest is exported to between 3 entrance of heat transferring medium pipeline
Grade circulation line, secondary cycle pipeline have one section of part for being located in endothermic reaction device 4 and be its heat supply, endothermic reaction device 4
Gas vent connect with the reactant entrance of rectifying column 5 by pipeline, the bypass outlet of rectifying column 5 is anti-with endothermic reaction device 4
Feed(raw material)inlet is answered to be connected by pipeline, the rectifying outlet of rectifying column 5 is connect with 6 entrance of the first condenser by pipeline, and first is cold
The outlet of condenser 6 is connect with 8 entrance of gas-liquid separator by pipeline, gas vent and the hydrogen gas storage tank 11 of gas-liquid separator 8
Gas access is connected by pipeline, and liquid outlet and the liquid inlet in fluid storage tanks 10 of gas-liquid separator 8 pass through pipeline
It is connected, the gas vent of hydrogen gas storage tank 11 and reaction raw materials of the liquid outlet of liquid storage tank 10 with exothermic reactor 12
Entrance is connected by pipeline, 12 built-in ignitor device of exothermic reactor, the reactant exit of exothermic reactor 12 by pipeline with
5 reactant entrance of rectifying column is connected, and the pipeline that the outlet of thermal-arrest heat transferring medium pipeline 3 is connected with First Heat Exchanger 22 has one
Section is located at the part to exchange heat in exothermic reactor 12.
In this way, heat transferring medium can be water, paraffin, the phase-change materials such as conduction oil show the solar energy by taking conduction oil as an example
Utilize the specific work process of system.Heat conduction greasy dirt is stored in heat transferring medium holding vessel, into thermal-arrest heat transferring medium pipeline,
Under the action of parabolic trough type heat collector, it is heated to 90 DEG C or so the two level accumulation of heat outlet streams from heat transferring medium pipeline stage casing
Go out and enter endothermic reaction device by the road, the isopropanol in endothermic reaction device is decomposed into acetone and hydrogen after absorbing low-temperature heat quantity, instead
Product is answered to enter rectifying column, is detached in rectifying column, the isopropanol obtained after separation enters endothermic reaction device and carries out cycle profit
With obtained acetone and hydrogen is cooled down from tower top into the first condenser, gas-liquid separator is entered after cooling, into gas-liquid
Hydrogen, acetone after separation is stored in hydrogen gas storage tank, liquid storage tank by the product of separator respectively, while thermal-arrest is with changing
Conduction oil in hot medium pipeline is heated to 180 DEG C -220 DEG C in the heat transferring medium pipeline by whole section and enters exothermic reactor
It exchanges heat, acetone and hydrogen reaction generation isopropanol in exothermic reactor, and big calorimetric is released, heat transfer oil outlet temperature is about
200 DEG C, conduction oil is used to heat water in First Heat Exchanger by First Heat Exchanger after coming out, and completes the utilization of solar energy.Heat release
Igniter is equipped in reactor, for heating the initial temperature for providing petrohol, ensures to encounter rainy days or too in this way
The reaction product being stored in liquid storage tank and hydrogen storage tank during positive energy deficiency, which enters in exothermic reactor, smoothly completes conjunction
Into reaction, heat release is carried out, pipeline therein is stretched into heating.The device is stored solar energy by way of chemical energy and can solved too
The unstability that sun can utilize, intermittent shortcoming.Further the occupation mode realizes the heat of solar energy in a manner of chemical energy storage
It can utilize, improve the utilization ratio of solar energy.The setting of exothermic reactor can improve the high temperature heat of system output so that
The system has the scope of application of bigger.It should be noted that grade accumulation of heat is opened up with outlet in thermal-arrest on heat transferring medium pipeline
Position it is different, the heat supply temperature of secondary cycle pipeline output also can difference, corresponding two level accumulation of heat export leave into
The temperature of its more remote output of mouth is higher.Dedicated heat exchange pipeline is generally integrated in common endothermic reaction device to be made convenient for connection
With the part pipeline for being used for heat supply in endothermic reaction device in this way is integrated in endothermic reaction device, passes through interface and two level stores
Heat is connected with outlet with thermal-arrest with heat transferring medium entrance, the also similar setting of similary exothermic reactor.
In the present embodiment, solar energy heat collector further includes heat transferring medium holding vessel 1, parabolic trough type heat collector 2, heat exchange
Medium storage tank 1 forms primary cycle pipeline with thermal-arrest heat transferring medium pipeline 3 and First Heat Exchanger 22 by pipeline, wherein changing
The outlet of thermal medium holding vessel 1 is connected with thermal-arrest with the entrance of heat transferring medium pipeline 3 by pipeline, thermal-arrest heat transferring medium pipeline
3 outlet connection is connected with the first heat exchange entrance of First Heat Exchanger 22 by pipeline, and the first of First Heat Exchanger 22 exchanges heat out
Mouth is connect with 1 entrance of heat transferring medium holding vessel by pipeline, and pipeline one end in endothermic reaction device 4 is stretched into secondary cycle pipeline
Two level accumulation of heat outlet is connected to, the other end connects the entrance of heat transferring medium holding vessel 1, completes the cycle of heat transferring medium, parabolic
Groove type heat collector 2 is axial arranged with heat transferring medium pipeline 3 along thermal-arrest so that parabolic trough type heat collector 2 can be by reflection too
Sunlight focuses on the heat transferring medium pipeline 3.
In this way, heat transferring medium holding vessel, for storing heat transferring medium, while can make up heat transferring medium when pipeline recycles
Consumption, parabolic trough type solar thermal collector, by the solar energy collecting of low energy current density into the middle low temperature heat energy of high energy current density,
Heat is provided to heat transferring medium;Thermal-arrest heat transferring medium pipeline, using the solar energy heating heat-storing material of absorption, by solar heat
Amount is stored in heat-storing material, and export the heat transferring medium of different temperatures.
In the present embodiment, hydrogen gas storage tank 11 is metal hydride reactor.
In this way, to store hydrogen by way of reaction safer for metal hydride reactor, prevent a large amount of hydrogen and collect hair
The danger such as raw explosion.
In the present embodiment, product part flow arrangement 7, the first condensation are additionally provided between the first condenser 6 and gas-liquid separator 8
The outlet of device 6 is connected with the entrance of product part flow arrangement 7 by pipeline, the first outlet of product part flow arrangement 7 and gas-liquid separation
8 entrance of device is connected by pipeline, and the second outlet of product part flow arrangement 7 passes through pipe with the reaction raw materials entrance of exothermic reactor 12
Road is connected.
In this way, a part flow arrangement part enters gas-liquid separator, another part, which enters, is sent directly into exothermic reactor progress
Exothermic reaction, in this way setting are mainly used for hydrogen storage tank and/or the canned full situation of storage in liquid.Part flow arrangement setting can
So that hydrogen storage tank and canned of storage in liquid participate in cycle in energy storage and exoergic, loop structure is optimized in this way.
In the present embodiment, the second heat exchanger 9 is further included, the second outlet of product part flow arrangement 7, hydrogen gas storage tank 11
The liquid outlet of gas vent and liquid storage tank 10 is connected with the first heat exchange entrance of the second heat exchanger 9 by pipeline, the
First heat exchange outlet of two heat exchangers 9 is connected with the reaction raw materials entrance of exothermic reactor 12 by pipeline, exothermic reactor 12
Reactant exit with the second of the second heat exchanger 9 heat exchange entrance be connected by pipeline, the second heat exchanger 9 second heat exchange outlet
It is connect with the reactant entrance of rectifying column 5 by pipeline.
In this way, the setting of the second heat exchanger can preheat the raw material into exothermic reactor, heat release is taken full advantage of in this way
The thermal energy of reaction, improves utilization efficiency of heat energy.
In the present embodiment, Solar use unit further includes absorption SAPMAC method unit, and absorption SAPMAC method list includes
Generator 13, a part for the pipeline between the outlet of thermal-arrest heat transferring medium pipeline 3 and First Heat Exchanger 22 stretch into generator
It is its heat supply in 13, a part of pipeline for stretching into 13 heat supply of generator is located at the part pipe for stretching into and absorbing heat in exothermic reactor 12
The rear end of reason, the aqueous solution entrance of the aqueous solution outlet connection absorber 14 of generator 13, the aqueous solution outlet of absorber 14 connect
Connect solution pump, the aqueous solution entrance of the outlet connection generator 13 of solution pump;The steam outlet connection second of generator 13 is cold
The steam entry of condenser 17, the entrance of the medium temperature water out connection throttle valve 16 of the second condenser 17, the outlet of throttle valve 16
Connect the entrance of evaporator 15, the steam entry of the steam outlet connection absorber 14 of evaporator 15;Circulating water cooling tower
The entrance of 19 water outlet connection water circulating pump 18, the cooling water inlet of the second condenser 17 of outlet connection of water circulating pump 18,
The cooling water inlet of the cooling water outlet connection absorber 14 of second condenser 17, the cooling water outlet connection cycle of absorber 14
The water inlet of water cooling tower 19;The refrigerant water out of evaporator 15 is connect with the chilled water first entrance of fan coil 20, wind turbine
The refrigerant water inlet of the chilled water first outlet connection evaporator 15 of coil pipe 20.
In this way, can improve the use scope for utilizing system by absorption SAPMAC method unit, specific generator leads to
It crosses conduction oil and receives the heat that exothermic reactor is released, working media aqueous solution therein is heated, in working media aqueous solution
Water be constantly vaporizated into vapor, with the continuous vaporization of dampening, the concentration of working media aqueous solution constantly increases in generator,
It is discharged by the aqueous solution outlet of generator, is entered in absorber by the aqueous solution entrance of absorber.After above-mentioned vaporization vapor by
Generator steam outlet discharge, entered in condenser by the steam entry of condenser, with the cooling water in condenser into
Row heat exchange by the cooling water temperature in condenser, is condensed into middle warm water, and the middle warm water in condenser is arranged by medium temperature water out
Go out, through throttle valve, evaporator entered by the entrance of evaporator, the rapid expansion in evaporator and be vaporizated into vapor again,
Vapor is discharged by the steam outlet of evaporator, enters absorber by the steam entry of absorber, by the work in absorber
Make the absorption of medium aqueous solution, the concentration of working media aqueous solution gradually reduces, and is discharged by the aqueous solution outlet of absorber, via molten
Liquid pump sends generator back to by the aqueous solution entrance of generator, completes entire Absorption Cooling System process.In circulating water cooling tower
Cooling water discharged by water outlet, through circulating pump, condenser is entered by the cooling water inlet of condenser, is followed as absorption refrigeration
Condensed water during ring needed for condenser is increased by with temperature after the vapor heat exchange from generator, by condenser
Cooling water outlet discharge, absorber is entered by the cooling water inlet of absorber, the cooling water outlet of absorber is by cooling water drainage
It is returned in circulating water cooling tower after going out and cools down and recycle.The chilled water of fan coil is discharged into steaming by its refrigerant water out
Device is sent out, is entered in evaporator by the refrigerant water inlet of evaporator, the middle warm water in evaporator is vaporized again in rapid expansion
During for vapor, can largely absorb chilled water heat, make the temperature of chilled water reduce, cold energy reduced with temperature after chilled water
For carrier, discharged, be back in fan coil by the refrigerant water inlet of fan coil, in wind turbine by the refrigerant water out of evaporator
Coil pipe carries out heat exchange with room air, so as to reduce Indoor environment temperature.
In the present embodiment, chilled water second entrance and chilled water second outlet, fan unit are additionally provided on fan coil 20
The chilled water second outlet of pipe 20 is connected with the heat exchange entrance of First Heat Exchanger 22 second by pipeline, and the second of First Heat Exchanger 22
Heat exchange outlet is connected with the chilled water second entrance of fan coil 20 by pipeline;The refrigerant water out and fan unit of evaporator 15
The refrigerant of the pipeline of the chilled water first entrance connection of pipe 20, the chilled water first outlet of fan coil 20 with connecting evaporator 15
The pipe that the pipeline of water inlet connection, the chilled water second outlet of fan coil 20 are connected with the heat exchange entrance of First Heat Exchanger 22 second
It is equipped with out on the pipeline that the second heat exchange outlet on road, First Heat Exchanger 22 is connected with the chilled water second entrance of fan coil 20
Close valve.
In this way, by the control of switch valve, fan coil can be caused to complete the power and energy of refrigeration or heat supply.Specifically
Close the pipeline of the chilled water first entrance connection of the refrigerant water out and fan coil of evaporator, the chilled water the of fan coil
The pipeline that one outlet is connected with connecting the refrigerant water inlet of evaporator, the chilled water second outlet and first for opening fan coil are changed
The the second heat exchange outlet of pipeline and First Heat Exchanger and the chilled water second of fan coil that the hot heat exchange of device second entrance is connected enter
Heat supply can be completed in the connected pipeline of mouth, and opposite can be completed refrigeration.It can be completed needed for household by a fan coil,
Installation space can be saved in this way.
Further, the second heat exchange outlet of First Heat Exchanger 22 is connect with the chilled water second entrance of fan coil 20
Three-way flow divider valve 21 is additionally provided on pipeline, the effect of three-way flow divider valve 21 is to make the hot water after being heated by First Heat Exchanger 22 point
For two-way, health hot water is provided all the way, and another way enters fan coil heating.
Claims (7)
1. a kind of two level heat accumulating type domestic solar utilizes system, including solar thermal unit and Solar use unit, too
Positive energy heat collection unit includes solar energy heat collector, and thermal-arrest heat transferring medium pipeline is provided in solar energy heat collector(3), too
Sun can utilize unit to include a First Heat Exchanger(22);Thermal-arrest heat transferring medium pipeline(3)With First Heat Exchanger(22)It is connected
It is logical, flow through thermal-arrest heat transferring medium pipeline(3)Heat transferring medium and First Heat Exchanger(22)In service water exchange heat, it is special
Sign is, further includes two level thermal storage unit, and two level thermal storage unit includes endothermic reaction device(4), thermal-arrest heat transferring medium pipeline(3)
Middle part is provided with two level accumulation of heat outlet, and two level accumulation of heat is with exporting to thermal-arrest heat transferring medium pipeline(3)It is provided between entrance
There is one section to be located at endothermic reaction device for secondary cycle pipeline, secondary cycle pipeline(4)Part interior and for its heat supply, the endothermic reaction
Device(4)Gas vent and rectifying column(5)Reactant entrance connected by pipeline, rectifying column(5)Bypass outlet and heat absorption
Reactor(4)Reaction raw materials entrance is connected by pipeline, rectifying column(5)Rectifying outlet with the first condenser(6)Entrance passes through
Pipeline connects, the first condenser(6)Outlet and gas-liquid separator(8)Entrance is connected by pipeline, gas-liquid separator(8)Gas
Outlet and hydrogen gas storage tank(11)Gas access connected by pipeline, gas-liquid separator(8)Liquid outlet and liquid store
Tank(10)In liquid inlet be connected by pipeline, hydrogen gas storage tank(11)Gas vent and liquid storage tank(10)Liquid
Outlet is and exothermic reactor(12)Reaction raw materials entrance connected by pipeline, exothermic reactor(12)Built-in ignitor device,
Exothermic reactor(12)Reactant exit pass through pipeline and rectifying column(5)Reactant entrance is connected, thermal-arrest heat transferring medium pipe
Road(3)Outlet and First Heat Exchanger(22)There is connected pipeline one section to be located at exothermic reactor(12)The middle portion to exchange heat
Point.
2. two level heat accumulating type domestic solar as described in claim 1 utilizes system, which is characterized in that solar energy heat collector
Further include heat transferring medium holding vessel(1), parabolic trough type heat collector(2), heat transferring medium holding vessel(1)With thermal-arrest heat transferring medium pipe
Road(3)And First Heat Exchanger(22)Primary cycle pipeline, wherein heat transferring medium holding vessel are formed by pipeline(1)Outlet and collection
Heat heat transferring medium pipeline(3)Entrance be connected by pipeline, thermal-arrest heat transferring medium pipeline(3)Outlet connection changed with first
Hot device(22)First heat exchange entrance be connected by pipeline, First Heat Exchanger(22)First heat exchange outlet with heat transferring medium store
Tank(1)Entrance is connected by pipeline, and endothermic reaction device is stretched into secondary cycle pipeline(4)In pipeline one end be connected to two level storage
Heat exports, other end connection heat transferring medium holding vessel(1)Entrance, complete the cycle of heat transferring medium, parabolic trough type heat collector
(2)Along thermal-arrest heat transferring medium pipeline(3)It is axial arranged so that parabolic trough type heat collector(2)It can be by the sunlight of reflection
Focus on the heat transferring medium pipeline(3).
3. two level heat accumulating type domestic solar as described in claim 1 utilizes system, which is characterized in that hydrogen gas storage tank(11)
For metal hydride reactor.
4. two level heat accumulating type domestic solar as described in claim 1 utilizes system, which is characterized in that the first condenser(6)
With gas-liquid separator(8)Between be additionally provided with product part flow arrangement(7), the first condenser(6)Outlet and product part flow arrangement(7)
Entrance be connected by pipeline, product part flow arrangement(7)First outlet and gas-liquid separator(8)Entrance is connected by pipeline,
Product part flow arrangement(7)Second outlet and exothermic reactor(12)Reaction raw materials entrance be connected by pipeline.
5. two level heat accumulating type domestic solar as claimed in claim 4 utilizes system, which is characterized in that further includes the second heat exchange
Device(9), product part flow arrangement(7)Second outlet, hydrogen gas storage tank(11)Gas vent and liquid storage tank(10)Liquid
Body outlet with the second heat exchanger(9)First heat exchange entrance be connected by pipeline, the second heat exchanger(9)First heat exchange outlet
With exothermic reactor(12)Reaction raw materials entrance be connected by pipeline, exothermic reactor(12)Reactant exit changed with second
Hot device(9)Second heat exchange entrance be connected by pipeline, the second heat exchanger(9)Second heat exchange outlet and rectifying column(5)It is anti-
Object entrance is answered to be connected by pipeline.
6. the two level heat accumulating type domestic solar as described in claim 1 or 5 utilizes system, which is characterized in that Solar use
Unit further includes absorption SAPMAC method unit, and absorption SAPMAC method list includes generator(13), thermal-arrest heat transferring medium pipeline(3)
Outlet and First Heat Exchanger(22)Between the part of pipeline stretch into generator(13)In for its heat supply, stretch into generator
(13)A part of pipeline of heat supply, which is located at, stretches into exothermic reactor(12)The rear end of a part of pipeline of middle heat absorption, generator(13)
Aqueous solution outlet and absorber(14)Aqueous solution entrance connected by pipeline, absorber(14)Aqueous solution outlet and solution
The inlet duct connection of pump, the outlet of solution pump and generator(13)Aqueous solution inlet duct connection;Generator(13)Water
Steam (vapor) outlet and the second condenser(17)Steam entry pipeline connection, the second condenser(17)Medium temperature water out with throttling
Valve(16)Inlet duct connection, throttle valve(16)Outlet and evaporator(15)Inlet duct connection, evaporator(15)'s
Steam outlet and absorber(14)Steam entry pipeline connection;Circulating water cooling tower(19)Water outlet and water circulating pump
(18)Inlet duct connection, water circulating pump(18)Outlet and the second condenser(17)The connection of cooling water inlet pipeline, the
Two condensers(17)Cooling water outlet and absorber(14)The connection of cooling water inlet pipeline, absorber(14)Cooling water go out
Mouth and circulating water cooling tower(19)Water inlet tube connection;Evaporator(15)Refrigerant water out and fan coil(20)It is cold
Matchmaker's water first entrance is connected by pipeline, fan coil(20)Chilled water first outlet and evaporator(15)Refrigerant water inlet
Pipeline connects.
7. two level heat accumulating type domestic solar as claimed in claim 6 utilizes system, which is characterized in that fan coil(20)On
It is additionally provided with chilled water second entrance and chilled water second outlet, fan coil(20)Chilled water second outlet and First Heat Exchanger
(22)Second heat exchange entrance is connected by pipeline, First Heat Exchanger(22)Second heat exchange outlet and fan coil(20)Refrigerant
Water second entrance is connected by pipeline;Evaporator(15)Refrigerant water out and fan coil(20)Chilled water first entrance connect
Pipeline, the fan coil connect(20)Chilled water first outlet with connecting evaporator(15)Refrigerant water inlet connection pipeline,
Fan coil(20)Chilled water second outlet and First Heat Exchanger(22)Pipeline, the First Heat Exchanger that second heat exchange entrance is connected
(22)Second heat exchange outlet and fan coil(20)The pipeline that is connected of chilled water second entrance on be equipped with switch valve.
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