CN101818967B - Composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply - Google Patents
Composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply Download PDFInfo
- Publication number
- CN101818967B CN101818967B CN2010101768706A CN201010176870A CN101818967B CN 101818967 B CN101818967 B CN 101818967B CN 2010101768706 A CN2010101768706 A CN 2010101768706A CN 201010176870 A CN201010176870 A CN 201010176870A CN 101818967 B CN101818967 B CN 101818967B
- Authority
- CN
- China
- Prior art keywords
- solid
- heat
- cold
- liquid
- energy storage
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The invention provides a composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply, belonging to the energy technical field. The device comprises a low-grade residual heat device, a thermochemical pressure swing desorption composite energy storage device, a thermochemical temperature swing adsorption combined cold-heat supply device, two refrigerant regulating valves, a condenser and a heat exchange coil pipe for the condenser, wherein, the low-grade residual heat device is connected with the thermochemical pressure swing desorption composite energy storage device; the thermochemical pressure swing desorption composite energy storage device is connected with the inlet of a first refrigerant regulating valve; the outlet of the first refrigerant regulating valve is connected with the inlet of the condenser; the outlet of the condenser is connected with the inlet of a second refrigerant regulating valve; the exit of the second refrigerant regulating valve is connected with the thermochemical temperature swing adsorption combined cold-heat supply device; and the condenser is internally equipped with the heat exchange coil pipe for the condenser. The device is applied to energy quality improvement of low-grade residual heat/industrial waste heat and efficient recovery; and the device has the advantages of strong temperature-rise capability, high stored energy density, composite storage of heat and refrigerating capacity, and combined cold-heat supply.
Description
Technical field
What the present invention relates to is a kind of device of energy technology field, specifically is a kind of composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply.
Background technology
The energy is the material base of human survival and social development, and few, the efficiency of energy utilization of energy resources occupancy volume is the present situation of China's using energy source far below developed country's level per capita.Because efficiency of energy utilization is lower; Make that China's low grade heat energy (like industrial exhaust heat/used heat and regenerative resource) is very abundant; Like low grade residual heat/industrial waste heats such as steel industry, chemical industry, building trade, food service industry, paper mill, solar energy, underground heat, yet, owing to lack the efficient science and technology of utilizing of low grade residual heat and the reasonable disposition of energy; There is every year a large amount of low grade residual heats to can not get effective recycling and directly discharging of quilt in China; Causing great energy waste, trace it to its cause, largely is to make existing energy utilization technology can't realize recycling because the temperature of low grade residual heat is low; If adopt of the lifting of correlation energy source technology, then can regain recycling to the lower waste heat enforcement energy grade of these temperature.Under this background, the advanced energy utilization technology that low grade heat energies such as exploitation waste heat/used heat utilize is to alleviating China's energy pressure and promoting that continuous development of society economy has crucial meaning.
Through to the literature search of prior art, realize that technology that the heat energy grade promotes is main with steam compression heat pump technology, second type of (heating type) liquid-absorbent formula heat pump and chemical heat pump technology mainly, pertinent literature is following:
1, one Chinese patent application number is: 200720003768.X; Name is called: a kind of low grade residual heat reclaims heat-pump water heater; This device comprises the compressor of a preheater, evaporimeter, two condensers, two platform independent, two cold-producing medium expansion elements, two water pumps, and other appurtenances; The heat that is used for reclaiming 30～50 ℃ of waste water is to produce the clear hot-water more than 55 ℃; Its shortcoming is that this heat pump assembly output temperature is lower, is mainly used in building and heating, can't realize that the energy composite energy of low grade residual heat stores.
2, one Chinese patent application number is: 200710049983.8; Name is called: a kind of low grade heat energy directly utilizes system and method; This system comprises: low-grade heat source, heat exchanger, air conditioner end equipment, low-grade energy, end-equipment, low-grade energy source heat exchanger and heat-transfer fluid; It adopts with target temperature 5-15 ℃ temperature difference realization indoor 16-26 ℃ temperature is controlled; Directly utilize heating and the refrigeration of temperature for 0-45 ℃ low-grade heat source realization building, its shortcoming is that the energy grade that can't realize low grade residual heat promotes and the energy composite energy storage.
3, one Chinese patent application number is: 00101163.4; Name is called: sorption type heat pump and control method thereof; This device comprises regenerator, condenser, evaporimeter, absorber, and waste heat capable of using obtains high temperature fluid and cryogen, realizes cold and heat combined supply; Its shortcoming is that the low energy grade of low grade residual heat that causes of this heat pump intensification ability promotes the little range of application that has limited in the industrial afterheat recovery field of amplitude, and can't realize that energy composite energy stores.
4, one Chinese patent application number is: 200710171228.7; Name is called: second-stage gas-solid reaction heat transformer system; This system comprises parts such as first chamber, second chamber, the 3rd chamber, the 4th chamber, the first gas circuit valve, the second gas circuit valve, backheat valve, and this system can realize the temperature increase to waste heat/low-grade heat source, and its shortcoming is that the chemical reaction rate difference of each chamber causes system's output temperature fluctuation bigger; Be difficult to and extraneous user's coupling, and can't realize cold and heat combined supply.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of prior art; A kind of composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply is provided; Make it solve the lower and drawback can't high efficiente callback utilized of Yin Wendu in low grade residual heat recycling process; Adopt heat chemistry voltage transformation desorption technique and heat chemistry alternating temperature adsorption technology; Realize energy grade lifting, cold and heat combined supply, and the composite energy storage energy supply of low grade residual heat through heat energy to the conversion of chemisorbed potential energy, and the intensification ability is strong, energy storage density is high, can realize simultaneously that heat and refrigeration cold store and to extraneous user's cold and heat combined supply.
The present invention realizes through following technical scheme; The present invention includes: low grade residual heat device, heat chemistry pressure-swing desorption composite energy storing device, heat chemistry alternating temperature absorption heat and cold supplier, two cold-producing medium control valves, condenser and condenser heat exchange coils; Wherein: the low grade residual heat device links to each other with heat chemistry pressure-swing desorption composite energy storing device; The import of the heat chemistry pressure-swing desorption composite energy storing device and the first cold-producing medium control valve links to each other; The outlet of the first cold-producing medium control valve links to each other with the import of condenser; The outlet of condenser links to each other with the import of the second cold-producing medium control valve, and the outlet of the second cold-producing medium control valve links to each other with heat chemistry alternating temperature absorption heat and cold supplier, is provided with the condenser heat exchange coil in the condenser.
Described heat chemistry pressure-swing desorption composite energy storing device comprises: energy storage is solid-solid/liquid/gas reactions device, energy storage reactor heat exchange coil, energy storage chemisorbed material, the 3rd cold-producing medium control valve, auxiliary solid-solid/liquid/gas reactions device, auxiliary reactor heat exchange coil and assistant chemical sorbing material; Wherein: energy storage is solid-and the outlet of solid/liquid/gas reactions device links to each other with the import of the 3rd cold-producing medium control valve; The outlet of the 3rd cold-producing medium control valve links to each other with the import of admittedly auxiliary-solid/liquid/gas reactions device; Energy storage is solid-be provided with energy storage reactor heat exchange coil in the solid/liquid/gas reactions device; The assistant chemical sorbing material is loaded in admittedly auxiliary-solid/liquid/gas reactions device; Be provided with the auxiliary reactor heat exchange coil in auxiliary solid-solid/liquid/gas reactions device, the energy storage chemisorbed material load in energy storage solid-the solid/liquid/gas reactions device in, energy storage reactor heat exchange coil is connected with the low grade residual heat device.
Described heat chemistry alternating temperature absorption heat and cold supplier comprises: height/cryogenic vaporizer, evaporimeter heat exchange coil, the 4th cold-producing medium control valve, energy supply be solid-and solid/liquid/gas reactions device, energy supply reactor heat exchange coil and energy supply chemisorbed material; Wherein: the import of height/cryogenic vaporizer links to each other with the outlet of the second cold-producing medium control valve; The outlet of height/cryogenic vaporizer links to each other with the 4th cold-producing medium control valve import; The import that the 4th cold-producing medium control valve exports-solid/liquid/gas reactions device solid with energy supply links to each other; The energy supply chemisorbed material load in energy supply solid-the solid/liquid/gas reactions device in, energy supply is solid-be provided with energy supply reactor heat exchange coil in the solid/liquid/gas reactions device, is provided with the evaporimeter heat exchange coil in height/cryogenic vaporizer; Energy supply reactor heat exchange coil is connected with extraneous hot user side, and the evaporimeter heat exchange coil is connected with extraneous cold user side.
The flow direction of described cold-producing medium is unidirectional, cold-producing medium flow through successively energy storage solid-the solid/liquid/gas reactions device, auxiliary solid-solid/liquid/gas reactions device, condenser, height/cryogenic vaporizer and energy supply be solid-the solid/liquid/gas reactions device.
Described energy storage is solid-the solid/liquid/gas reactions device to described auxiliary solid-the transformation heating desorption process of solid/liquid/gas reactions device and described auxiliary solid-the solid/liquid/gas reactions device is to the heating desorption process of described condenser, constitutes heat chemistry pressure-swing desorption composite energy storage process.
Described energy supply is solid-the solid/liquid/gas reactions device to the absorption refrigeration process of described height/cryogenic vaporizer and described energy supply solid-the solid/liquid/gas reactions device is to the alternating temperature adsorption process of described height/cryogenic vaporizer, constitutes heat chemistry alternating temperature absorption cold and heat combined supply process.
Under identical operating pressure, the operating temperature of described energy storage chemisorbed material is higher than the operating temperature of assistant chemical sorbing material.
Under identical operating pressure, the operating temperature of described energy supply chemisorbed material is higher than the operating temperature of assistant chemical sorbing material.
Workflow of the present invention was made up of two stages:
In first stage, the heat chemistry pressure-swing desorption composite energy storage stage of low grade residual heat also is the heat and refrigeration cold storage stage of low grade residual heat.The course of work comprise energy storage solid-the solid/liquid/gas reactions device to auxiliary solid-the transformation heating desorption process of solid/liquid/gas reactions device with auxiliary solid-the solid/liquid/gas reactions device is to the heating desorption process of condenser: at first; Utilize the low grade residual heat device for energy storage solid-the solid/liquid/gas reactions device in the energy storage chemisorbed material heat of desorption is provided; Make it that chemical breakdown reaction take place; The refrigerant vapour of separating sucking-off get into auxiliary solid-adsorbed by the assistant chemical sorbing material in the solid/liquid/gas reactions device, accomplish energy storage solid-the transformation heating desorption process of solid/liquid/gas reactions device; Secondly; Utilize the low grade residual heat device heat of desorption to be provided for assistant chemical sorbing material in admittedly auxiliary-solid/liquid/gas reactions device; Make it that chemical breakdown reaction take place, the refrigerant vapour of separating sucking-off gets into condenser and condenses into liquid, accomplishes the heating desorption process of assisting solid-solid/liquid/gas reactions device.This stage utilizes low grade heat energy to realize the heat and the compound storage of refrigeration cold of low grade residual heat to the conversion of chemisorbed potential energy.
In second stage, the heat chemistry alternating temperature absorption cold and heat combined supply stage of low grade residual heat also is the energy grade improvement stage of low grade residual heat.The course of work comprise when extraneous user's cooling energy supply solid-the solid/liquid/gas reactions device during to the absorption refrigeration process of cryogenic vaporizer with to extraneous user's heat supply energy supply solid-the solid/liquid/gas reactions device is to the alternating temperature adsorption process of high-temperature evaporator, this stage energy supply is solid-the solid/liquid/gas reactions device in energy supply chemisorbed material and cold-producing medium generation chemosynthesis reaction; During cooling, utilize the cryogenic vaporizer inner refrigerant that evaporative phase-change takes place under low-temp low-pressure and realize the refrigeration cold of cold user side is discharged output to external world's heat absorption; During heat supply; Implement the alternating temperature adsorption technology and realize that the energy grade of low grade residual heat promotes, utilize energy supply solid-the solid/liquid/gas reactions device in the energy supply chemisorbed material realize the release of hot user side heat is exported with a large amount of heats of adsorption that cold-producing medium discharged in the chemosynthesis reaction stage.This stage discharges through the transformation of energy of chemisorbed potential energy thermotropism satisfies the demand of extraneous user to cold and heat, realizes cold and heat combined supply.
The present invention compares prior art and has the following advantages:
The first, the intensification ability is strong.With respect to traditional vapor compression formula heat pump, second type of (heating type) liquid-absorbent formula heat pump and chemical heat pump; The present invention utilizes and adopts heat chemistry pressure-swing desorption and alternating temperature adsorption technology; Can realize the lifting significantly of low grade residual heat energy grade, satisfy the heat recovery of more occasions;
The second, the energy storage density is high, energy loss is little.With respect to traditional sensible heat formula and latent heat formula energy storage device, the present invention utilizes chemisorbed potential energy to realize that the conversion of energy stores, and its energy storage density is high; Simultaneously; The tradition energy storage device is owing to have the big temperature difference thereby bigger energy loss is arranged in the energy storage process with external environment; And the present invention adopts heat chemistry adsorption energy-storing technology; As long as cold-producing medium and the isolated chemical reaction that do not take place of chemisorbed energy storage material, energy will store always and not require the expenditure of energy and keep, thereby is convenient to long term storage;
The 3rd, realize the extraneous cold and heat combined supply and the compound storage of heat and cold.For traditional sensible heat and hidden heat energy storage mode; Energy storage material of the same race can only store a kind of energy; Be cold or heat; And for apparatus of the present invention, the heat that can realize low grade residual heat simultaneously and the refrigeration compound storage of cold and to extraneous user's cold and heat combined supply especially are fit to the occasion of two kinds of energy requirements.
Description of drawings
Fig. 1 is the example structure sketch map;
Wherein: 1-low grade residual heat device; The 2-energy storage is consolidated-the solid/liquid/gas reactions device; 3-energy storage reactor heat exchange coil; 4-energy storage chemisorbed material; The 5-first cold-producing medium control valve; 6-assists solid-solid/liquid/gas reactions device; 7-auxiliary reactor heat exchange coil; 8-assistant chemical sorbing material; The 9-second cold-producing medium control valve; The 10-cold-producing medium; The 11-condenser; 12-condenser heat exchange coil; 13-the 3rd cold-producing medium control valve; 14-height/cryogenic vaporizer; 15-evaporimeter heat exchange coil; The extraneous cold user side of 16-; 17-the 4th cold-producing medium control valve; The 18-energy supply is consolidated-the solid/liquid/gas reactions device; 19-energy supply reactor heat exchange coil; The extraneous hot user side of 20-energy supply chemisorbed material and 21-.
Fig. 2 is the thermodynamic cycle figure of embodiment;
Wherein: A-M: cold-producing medium thermal balance line; F-G: assistant chemical sorbing material thermal balance line; B-N: energy storage/energy supply chemisorbed material thermal balance line; B-E-F-G-D: energy storage is solid-solid/liquid/gas reactions device heat chemistry pressure-swing desorption composite energy storage process; D-A-B: energy supply is solid-solid/liquid/gas reactions device cooling process; D-M-N: energy supply is solid-solid/liquid/gas reactions device heat chemistry alternating temperature absorption heat supplying process; T
e: cold user side cooling temperature; T
Out: hot user side heat supply temperature; T
In: the low grade residual heat actuation temperature; Δ T: low grade residual heat temperature increase temperature; T
c: the condensation temperature in heat chemistry composite energy storage stage; T
a: the adsorption temp of energy supply chemisorbed material; T
o: the traditional chemical heat pump is at the extraneous driving heat source temperature in heating desorption stage or the heat supply temperature of hot user side; P
H: the operating pressure in the heat chemistry alternating temperature absorption heat supply stage of low grade residual heat; P
c: the operating pressure in the heat chemistry composite energy storage stage of low grade residual heat; P
L: energy storage is solid-operating pressure in solid/liquid/gas reactions device heat chemistry pressure-swing desorption stage; P
e: energy supply is solid-and the solid/liquid/gas reactions device is at the low-temperature evaporation pressure to colod-application family, the external world end cooling stage.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, present embodiment provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment being to implement under the prerequisite with technical scheme of the present invention.
Embodiment
As shown in Figure 1; Present embodiment comprises: low grade residual heat device 1, energy storage be solid-solid/liquid/gas reactions device 2, energy storage reactor heat exchange coil 3, energy storage chemisorbed material 4, the first cold-producing medium control valve 5, auxiliary solid-solid/liquid/gas reactions device 6, auxiliary reactor heat exchange coil 7, assistant chemical sorbing material 8, the second cold-producing medium control valve 9, cold-producing medium 10, condenser 11, condenser heat exchange coil 12, the 3rd cold-producing medium control valve 13, height/cryogenic vaporizer 14, evaporimeter heat exchange coil 15, the 4th cold-producing medium control valve 17, energy supply be solid-solid/liquid/gas reactions device 18, energy supply reactor heat exchange coil 19 and energy supply chemisorbed material 20; Wherein: low grade residual heat device 1 links to each other with energy storage reactor heat exchange coil 3; Energy storage is solid-and the outlet of solid/liquid/gas reactions device 2 links to each other with the import of the first cold-producing medium control valve 5; The outlet of the first cold-producing medium control valve 5 links to each other with the import of admittedly auxiliary-solid/liquid/gas reactions device 6; Admittedly auxiliary-the outlet of solid/liquid/gas reactions device 6 links to each other with the import of the second cold-producing medium control valve 9; The outlet of the second cold-producing medium control valve 9 links to each other with the import of condenser 11; The outlet of condenser 11 links to each other with the import of the 3rd cold-producing medium control valve 13; The outlet of the 3rd cold-producing medium control valve 13 links to each other with the import of height/cryogenic vaporizer 14; 17 imports link to each other with the 4th cold-producing medium control valve in the outlet of height/cryogenic vaporizer 14, and the outlet of the 4th cold-producing medium control valve 17 is solid with energy supply-import of solid/liquid/gas reactions device 18 links to each other, energy storage chemisorbed material 4 load in energy storage consolidate-solid/liquid/gas reactions device 2 in; Energy storage is solid-be provided with energy storage reactor heat exchange coil 3 in the solid/liquid/gas reactions device 2; Assistant chemical sorbing material 8 is loaded in auxiliary solid-solid/liquid/gas reactions device 6, auxiliary solid-be provided with auxiliary reactor heat exchange coil 7 in solid/liquid/gas reactions device 6, energy supply chemisorbed material 20 load in energy supply solid-solid/liquid/gas reactions device 18 in; Energy supply is solid-be provided with energy supply reactor heat exchange coil 19 in the solid/liquid/gas reactions device 18; Be provided with in the condenser 11 in condenser heat exchange coil 12, the height/cryogenic vaporizer 14 and be provided with evaporimeter heat exchange coil 15, energy supply reactor heat exchange coil 19 is connected with extraneous hot user side 21, and evaporimeter heat exchange coil 15 is connected with extraneous cold user side 16.
Under identical operating pressure, the operating temperature of described energy storage chemisorbed material 4 is higher than the operating temperature of assistant chemical sorbing material 8.
Under identical operating pressure, the operating temperature of described energy supply chemisorbed material 20 is higher than the operating temperature of assistant chemical sorbing material 8.
The flow direction of described cold-producing medium 10 is unidirectional, cold-producing medium 10 flow through successively energy storage solid-solid/liquid/gas reactions device 2, auxiliary solid-solid/liquid/gas reactions device 6, condenser 11, height/cryogenic vaporizer 14, energy supply be solid-solid/liquid/gas reactions device 18.
Described energy storage is solid-solid/liquid/gas reactions device 2, energy storage reactor heat exchange coil 3, energy storage chemisorbed material 4, the first cold-producing medium control valve 5, auxiliary solid-solid/liquid/gas reactions device 6, auxiliary reactor heat exchange coil 7 and assistant chemical sorbing material 8, constitute heat chemistry pressure-swing desorption composite energy storing device.
Described height/cryogenic vaporizer 14, evaporimeter heat exchange coil 15, the 4th cold-producing medium control valve 17, energy supply be solid-solid/liquid/gas reactions device 18, energy supply reactor heat exchange coil 19 and energy supply chemisorbed material 20, constitute heat chemistry alternating temperature absorption heat and cold supplier.
Described heat chemistry pressure-swing desorption composite energy storing device; Utilize the suction-operated of assistant chemical sorbing materials 8 in admittedly auxiliary-solid/liquid/gas reactions device 6; Energy storage is consolidated-solid/liquid/gas reactions device 2 interior energy storage chemisorbed materials 4 enforcement pressure-swing desorptions; Low grade residual heat device 1 for energy storage solid-solid/liquid/gas reactions device 2 in energy storage chemisorbed materials 4 heat of desorption is provided, from energy storage solid-solid/liquid/gas reactions device 2 in energy storage chemisorbed materials 4 cold-producing medium of separating sucking-off flow into auxiliary solid-solid/liquid/gas reactions device 6 in by 8 absorption of assistant chemical sorbing material.
Described heat chemistry alternating temperature absorption heat and cold supplier; When being used for extraneous user's cooling; Height/cryogenic vaporizer 14 is operated in worst cold case, is cryogenic vaporizer, utilizes cryogenic vaporizer 14 inner refrigerant generation evaporative phase-changes to realize the refrigeration cold of cold user side is discharged output to external world's heat absorption; When being used for extraneous user's heat supply; Height/cryogenic vaporizer 14 is operated in worst hot case; Be high-temperature evaporator, utilize energy supply solid-solid/liquid/gas reactions device 18 in energy supply chemisorbed materials 20 realize the heat of hot user side is discharged output with the heat of adsorption that cold-producing medium generation chemosynthesis reaction discharges.This device discharges through the transformation of energy of chemisorbed potential energy thermotropism and satisfies the demand of extraneous user to cold and heat, realizes cold and heat combined supply.
Described heat chemistry alternating temperature absorption heat and cold supplier is positioned at heat supply during the stage; To energy supply solid-solid/liquid/gas reactions device 18 implements heat chemistry alternating temperature adsorption technology with the adsorption process between height/cryogenic vaporizer 14 and realizes that the energy grade of low grade residual heat promotes, realization heat supply stage output temperature is higher than the intensification purpose of energy storage stage input temp.
The present embodiment course of work comprises: the heat chemistry pressure-swing desorption composite energy storage stage of low grade residual heat and the heat chemistry alternating temperature of low grade residual heat absorption cold and heat combined supply stage, wherein:
1) the heat chemistry pressure-swing desorption composite energy storage stage of low grade residual heat; Also be the heat of low grade residual heat and the cold storage stage that freezes: at first open the first cold-producing medium control valve 5; Close the second cold-producing medium control valve 9; Implement energy storage solid-the transformation heating desorption process of solid/liquid/gas reactions device 2; Utilize auxiliary solid-solid/liquid/gas reactions device 6 in the suction-operated of assistant chemical sorbing materials 8 energy storage chemisorbed material 4 is carried out the heat chemistry pressure-swing desorption, reduce the actuation temperature of extraneous thermal source, this process utilize low grade residual heat device 1 through energy storage reactor heat exchange coil 3 for energy storage solid-solid/liquid/gas reactions device 2 interior energy storage chemisorbed materials 4 provide heat of desorption; Make it that chemical breakdown reaction take place; The refrigerant vapour of separating sucking-off through the first cold-producing medium control valve 5 flow into auxiliary solid-adsorbed by assistant chemical sorbing material 8 in the solid/liquid/gas reactions device 6, the heat of adsorption that assistant chemical sorbing material 8 discharges through auxiliary reactor heat exchange coil 7 by extraneous heat sink taking away, accomplish energy storage solid-the heat chemistry transformation heating desorption process of solid/liquid/gas reactions device 2; Secondly; Open the second cold-producing medium control valve 9; Close the first cold-producing medium control valve 5, implement to assist the heating desorption process of solid-solid/liquid/gas reactions device 6 to condenser 11, utilizing low grade residual heat device 1 is to assist solid-solid/liquid/gas reactions device 6 interior assistant chemical sorbing materials 8 that heat of desorption is provided through auxiliary reactor heat exchange coil 7; Make it that chemical breakdown reaction take place; The refrigerant vapour of separating sucking-off condenses into liquid through the second cold-producing medium control valve, 9 inflow condensers 11, and the heat of condensation of release by extraneous heat sink taking away, is accomplished the heating desorption process of admittedly auxiliary-solid/liquid/gas reactions device 6 through condenser heat exchange coil 12.This stage utilizes low grade heat energy to realize the heat and the compound storage of refrigeration cold of low grade residual heat to the conversion of chemisorbed potential energy.
2) the heat chemistry alternating temperature of the low grade residual heat absorption cold and heat combined supply stage; Open the 4th cold-producing medium control valve 17; Close the 3rd cold-producing medium control valve 13; Energy supply solid-implement chemosynthesis reaction between solid/liquid/gas reactions device 18 and the height/cryogenic vaporizer 14, the course of work mainly comprise when end 16 coolings of colod-application family, external world energy supply solid-solid/liquid/gas reactions device 18 during to the absorption refrigeration process of cryogenic vaporizer 14 with to hot user side 21 heat supplies in the external world energy supply consolidate-solid/liquid/gas reactions device 18 is to the heat chemistry alternating temperature adsorption process of high-temperature evaporator 14; When end 16 coolings of colod-application family, the external world; Height/cryogenic vaporizer 14 is operated in worst cold case; Be cryogenic vaporizer; Utilize energy supply solid-solid/liquid/gas reactions device 18 in the suction-operated of energy supply chemisorbed materials 20, make cold-producing mediums in the cryogenic vaporizer 14 that evaporative phase-change take place under low-temp low-pressure and absorb heat to the external world, realize the refrigeration cold release of cold user side 16 is exported through evaporimeter heat exchange coil 15; When hot user side 21 heat supplies in the external world; Height/cryogenic vaporizer 14 is operated in worst hot case; Be high-temperature evaporator; Energy supply solid-implement the energy grade lifting that heat chemistry alternating temperature adsorption technology is realized low grade residual heat between solid/liquid/gas reactions device 18 and the high-temperature evaporator 14; Chemosynthesis reaction under energy supply chemisorbed material 20 and the cold-producing medium generation high temperature discharges a large amount of heats of adsorption, realizes the heat of hot user side 21 is discharged output through energy supply reactor heat exchange coil 19, realizes that heat supply stage output temperature is higher than the intensification purpose of energy storage stage input temp.This stage discharges through the transformation of energy of chemisorbed potential energy thermotropism satisfies the demand of extraneous user to cold and heat, realizes cold and heat combined supply.
As shown in Figure 2, the thermodynamic cycle process of present embodiment device has the operating pressure of four steps, comprising: the operating pressure P in the heat chemistry alternating temperature absorption heat supply stage of low grade residual heat
H, the operating pressure P in the heat chemistry composite energy storage stage of low grade residual heat
c, energy storage is solid-the operating pressure P in solid/liquid/gas reactions device heat chemistry pressure-swing desorption stage
L, energy supply is solid-and the solid/liquid/gas reactions device is in the low-temperature evaporation pressure P to colod-application family, the external world end cooling stage
eWith high temperature evaporation pressure P to the hot user side heat supply stage of the external world
HT
eBe the low grade residual heat cryogenic temperature of cold user side 16, T
cBe the condensation temperature in heat chemistry composite energy storage stage, T
aBe the adsorption temp of energy supply chemisorbed material, T
InBe the extraneous driving heat source temperature of low grade residual heat in the present embodiment in the heat chemistry pressure-swing desorption composite energy storage stage, T
OutBe the heat supply temperature to the hot user side 21 in the external world after heat chemistry alternating temperature absorption energy grade promotes of low grade residual heat in the present embodiment, T
oFor the traditional chemical heat pump at the extraneous driving heat source temperature in heating desorption stage or the heat supply temperature of hot user side.
In the heat chemistry pressure-swing desorption composite energy storage stage of low grade residual heat, realize that to the conversion of chemisorbed potential energy the heat of low grade residual heat and refrigeration cold store through low grade heat energy.Energy storage is solid-and the heat chemistry pressure-swing desorption thermodynamic cycle process of solid/liquid/gas reactions device 2 is B-E-F, and operating pressure is P
L, the heating desorption thermodynamic cycle process of admittedly auxiliary-solid/liquid/gas reactions device 6 is F-G-D, operating pressure P
c
The heat chemistry alternating temperature absorption cold and heat combined supply stage of low grade residual heat; Satisfy the demand of extraneous user through chemisorbed potential energy thermotropism transformation of energy release to cold and heat; Realize cold and heat combined supply; Wherein: energy supply is solid-solid/liquid/gas reactions device 18 in the absorption refrigeration thermodynamic cycle process of energy supply chemisorbed materials 20 be D-A-B, operating pressure is P
e, energy supply is solid-solid/liquid/gas reactions device 18 in the heat chemistry alternating temperature absorption heat supply thermodynamic cycle process of energy supply chemisorbed materials 20 be D-M-N, operating pressure is P
H
Compare with the traditional chemical adsorption heat pump; Because the present embodiment utilization is auxiliary solid-suction-operated of solid/liquid/gas reactions device 6 to energy storage solid-the solid/liquid/gas reactions device implements heat chemistry voltage transformation desorption technique (B-E-F-G-D), makes required extraneous driving heat source temperature of system regeneration stage by original T
o(state point C) is reduced to T
In(state point E) significantly reduced the driving heat source temperature of device, thereby can enlarge the Applicable temperature scope of low grade residual heat, realizes the effective recycling to the low waste heat of temperature.
With traditional chemical again adsorption heat pump compare; Present embodiment adopt energy supply solid-solid/liquid/gas reactions device 18 is to heat chemistry alternating temperature adsorption technology (the cooling D-A-B of height/cryogenic vaporizer 14; Heat supply D-M-N) improved traditional suction type D-C; Control the stability that circulating pressure has strengthened output heat energy temperature grade through the operating pressure of height/cryogenic vaporizer 14, thus overcome traditional chemical again adsorption heat pump cause circulating pressure fluctuation and output heat energy temperature grade problem of unstable because of the reaction rate difference.
Present embodiment energy supply solid-implement heat chemistry alternating temperature adsorption technology D-M-N between solid/liquid/gas reactions device 18 and the high-temperature evaporator 14, make energy supply consolidate-solid/liquid/gas reactions device 18 is at the operating pressure P of heat supply stage D-M-N
HBe higher than the traditional chemical operating pressure P of adsorption heat pump again
c, the single argument characteristic corresponding each other according to heat chemistry adsorption reaction operating temperature and operating pressure, energy supply is solid-solid/liquid/gas reactions device 18 to extraneous heat outputting can the temperature grade will be by original T
o(state point C) is elevated to T
Out(state point N), its intensification ability is greatly improved, thereby can obtain the more heat energy of high-energy grade, realizes that the energy grade of low grade residual heat promotes, and realizes heat supply stage output temperature T
OutBe higher than energy storage stage input temp T
InThe intensification purpose.
Claims (4)
1. composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply; Comprise: low grade residual heat device, the first cold-producing medium control valve, the second cold-producing medium control valve, condenser and condenser heat exchange coil; It is characterized in that; Also comprise: heat chemistry pressure-swing desorption composite energy storing device and heat chemistry alternating temperature absorption heat and cold supplier, wherein: the low grade residual heat device links to each other with heat chemistry pressure-swing desorption composite energy storing device, and the import of the heat chemistry pressure-swing desorption composite energy storing device and the first cold-producing medium control valve links to each other; The outlet of the first cold-producing medium control valve links to each other with the import of condenser; The outlet of condenser links to each other with the import of the second cold-producing medium control valve, and the outlet of the second cold-producing medium control valve links to each other with heat chemistry alternating temperature absorption heat and cold supplier, is provided with the condenser heat exchange coil in the condenser;
Described heat chemistry pressure-swing desorption composite energy storing device comprises: energy storage is solid-solid/liquid/gas reactions device, energy storage reactor heat exchange coil, energy storage chemisorbed material, the 3rd cold-producing medium control valve, auxiliary solid-solid/liquid/gas reactions device, auxiliary reactor heat exchange coil and assistant chemical sorbing material; Wherein: energy storage is solid-and the outlet of solid/liquid/gas reactions device links to each other with the import of the 3rd cold-producing medium control valve; The outlet of the 3rd cold-producing medium control valve links to each other with the import of admittedly auxiliary-solid/liquid/gas reactions device; Energy storage is solid-be provided with energy storage reactor heat exchange coil in the solid/liquid/gas reactions device; The assistant chemical sorbing material is loaded in admittedly auxiliary-solid/liquid/gas reactions device; Be provided with the auxiliary reactor heat exchange coil in auxiliary solid-solid/liquid/gas reactions device, the energy storage chemisorbed material load in energy storage solid-the solid/liquid/gas reactions device in, energy storage reactor heat exchange coil is connected with the low grade residual heat device;
Described heat chemistry alternating temperature absorption heat and cold supplier comprises: height/cryogenic vaporizer, evaporimeter heat exchange coil, the 4th cold-producing medium control valve, energy supply be solid-and solid/liquid/gas reactions device, energy supply reactor heat exchange coil and energy supply chemisorbed material; Wherein: the import of height/cryogenic vaporizer links to each other with the outlet of the second cold-producing medium control valve; The outlet of height/cryogenic vaporizer links to each other with the 4th cold-producing medium control valve import; The import that the 4th cold-producing medium control valve exports-solid/liquid/gas reactions device solid with energy supply links to each other; The energy supply chemisorbed material load in energy supply solid-the solid/liquid/gas reactions device in, energy supply is solid-be provided with energy supply reactor heat exchange coil in the solid/liquid/gas reactions device, is provided with the evaporimeter heat exchange coil in height/cryogenic vaporizer; Energy supply reactor heat exchange coil is connected with extraneous hot user side, and the evaporimeter heat exchange coil is connected with extraneous cold user side.
2. composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply according to claim 1; It is characterized in that; Described energy storage is solid-the solid/liquid/gas reactions device to described auxiliary solid-the transformation heating desorption process of solid/liquid/gas reactions device and described auxiliary solid-the solid/liquid/gas reactions device is to the heating desorption process of described condenser, constitutes heat chemistry pressure-swing desorption composite energy storage process.
3. composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply according to claim 1; It is characterized in that; Described energy supply is solid-the solid/liquid/gas reactions device to the absorption refrigeration process of described height/cryogenic vaporizer and described energy supply solid-the solid/liquid/gas reactions device is to the alternating temperature adsorption process of described height/cryogenic vaporizer, constitutes heat chemistry alternating temperature absorption cold and heat combined supply process.
4. composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply according to claim 1; It is characterized in that; The flow direction of described cold-producing medium is unidirectional, cold-producing medium flow through successively energy storage solid-the solid/liquid/gas reactions device, auxiliary solid-solid/liquid/gas reactions device, condenser, height/cryogenic vaporizer and energy supply be solid-the solid/liquid/gas reactions device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101768706A CN101818967B (en) | 2010-05-20 | 2010-05-20 | Composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101768706A CN101818967B (en) | 2010-05-20 | 2010-05-20 | Composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101818967A CN101818967A (en) | 2010-09-01 |
| CN101818967B true CN101818967B (en) | 2012-08-29 |
Family
ID=42654160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101768706A Expired - Fee Related CN101818967B (en) | 2010-05-20 | 2010-05-20 | Composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101818967B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134213B (en) * | 2013-03-12 | 2014-08-20 | 北京化工大学 | Method for converting and storing solar energy with low-hydration magnesium chloride as energy storage working medium |
| FR3034179B1 (en) * | 2015-03-23 | 2018-11-02 | Centre National De La Recherche Scientifique | SOLAR DEVICE FOR AUTONOMOUS COLD PRODUCTION BY SOLID-GAS SORPTION. |
| CN108548443B (en) * | 2018-03-01 | 2020-07-14 | 上海交通大学 | Thermochemical adsorption heat storage device |
| CN111649611B (en) * | 2020-06-15 | 2021-07-23 | 浙江大学 | Energy consumption system and operation method thereof |
| CN113686052B (en) * | 2021-08-16 | 2022-05-20 | 山东大学 | Intelligent control open type compression absorption heat pump system for water and waste heat recovery |
| CN114877558B (en) * | 2022-04-28 | 2023-07-25 | 上海交通大学 | Solar-driven adsorption type cold-hot water cogeneration system for desert and method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4386501A (en) * | 1981-07-29 | 1983-06-07 | Martin Marietta Corporation | Heat pump using liquid ammoniated ammonium chloride, and thermal storage system |
| JP2004085009A (en) * | 2002-08-23 | 2004-03-18 | Jfe Engineering Kk | Manufacturing method for hydrate slurry by use of adsorption refrigerator |
| JP2004232928A (en) * | 2003-01-29 | 2004-08-19 | Mayekawa Mfg Co Ltd | Adsorption type refrigerator and method of operating the same |
| CN101251316A (en) * | 2007-11-29 | 2008-08-27 | 上海交通大学 | Two stage gas-solid reaction heat-exchanging apparatus system |
| CN101398238A (en) * | 2008-10-30 | 2009-04-01 | 上海交通大学 | Two-grade dual hot chemistry adsorption cooling cycle system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2877426B1 (en) * | 2004-11-04 | 2007-03-02 | Centre Nat Rech Scient Cnrse | COLD PRODUCTION AT VERY LOW TEMPERATURE IN A THERMOCHEMICAL DEVICE. |
-
2010
- 2010-05-20 CN CN2010101768706A patent/CN101818967B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4386501A (en) * | 1981-07-29 | 1983-06-07 | Martin Marietta Corporation | Heat pump using liquid ammoniated ammonium chloride, and thermal storage system |
| JP2004085009A (en) * | 2002-08-23 | 2004-03-18 | Jfe Engineering Kk | Manufacturing method for hydrate slurry by use of adsorption refrigerator |
| JP2004232928A (en) * | 2003-01-29 | 2004-08-19 | Mayekawa Mfg Co Ltd | Adsorption type refrigerator and method of operating the same |
| CN101251316A (en) * | 2007-11-29 | 2008-08-27 | 上海交通大学 | Two stage gas-solid reaction heat-exchanging apparatus system |
| CN101398238A (en) * | 2008-10-30 | 2009-04-01 | 上海交通大学 | Two-grade dual hot chemistry adsorption cooling cycle system |
Non-Patent Citations (1)
| Title |
|---|
| 李廷贤等.《采用固化复合吸附剂的热化学吸附式低温冷冻系统的性能》.《化工学报》.2008,第59卷(第S2期), * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101818967A (en) | 2010-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wang et al. | Solar driven air conditioning and refrigeration systems corresponding to various heating source temperatures | |
| CN102155813B (en) | Thermochemical absorption and refrigeration device driven by condensation heat of air conditioning unit | |
| CN101793447B (en) | Cold-heat combined supply solar thermochemical adsorption composite energy storing device | |
| CN102003827B (en) | Absorption type power and refrigeration cogeneration circulatory system and absorption type power and refrigeration cogeneration method | |
| CN101818967B (en) | Composite energy storage and supply device via thermochemical temperature swing adsorption combined cold-heat supply | |
| CN201866983U (en) | Absorption type cooling and power cogeneration type circulation system | |
| CN1303378C (en) | Combined circulating device capable of realizing absorption type cycle and organic matter Rankine cycle | |
| CN208566816U (en) | The big temperature-difference central heating system of data center's cold and heat combined supply waste heat | |
| CN101706149B (en) | Air conditioner with heat pipe condensation heat recycling mechanism | |
| WO2014111061A1 (en) | Hot and cold inner balancer set | |
| CN102650478A (en) | Trans-critical-compression/absorption composite refrigeration device utilizing low-grade heat | |
| WO2014111017A1 (en) | External cold and heat balance unit | |
| CN101813398B (en) | Multi-mode thermochemical adsorption refrigeration device based on cascade utilization of energy | |
| CN102997482A (en) | Direct-fired lithium bromide absorption cold-hot water unit for recovering flue gas waste heat under heating working condition | |
| CN100554824C (en) | Back heating type two-stage thermochemistry adsorption cooling cycle system based on voltage transformation desorption technique | |
| CN103256848B (en) | Self-warming type thermochemical heat accumulating device and application | |
| CN205714312U (en) | A kind of two kinds of working medium Rankine cycle electricity generation systems of waste heat twin-stage | |
| CN206094279U (en) | Slaughterhouse is with multistage full heat recovery hot water system of refrigerating unit | |
| CN101818961B (en) | Low-grade waste heat based multi-stage thermal chemisorption refrigeration circulation system | |
| CN208108536U (en) | A kind of low temperature exhaust heat reclaiming type lithium bromide absorption cold and hot water system | |
| CN202250276U (en) | Solution cooling and absorption type ammonia water power circulating device | |
| CN101382358A (en) | Hotchemistry heat exchanger circulating system based on re-adsorption technology | |
| CN205064013U (en) | Organic rankine cycle power generation system of low -grade alternating temperature heat source of cascade utilization | |
| CN104006570B (en) | Absorption based on forward and reverse cycle coupling-compression combined formula refrigeration system and method | |
| CN102155812A (en) | Lithium bromide absorption heat pump set used in field for recycling low temperature waste heat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20150520 |
|
| EXPY | Termination of patent right or utility model |