CN101319829A - Dual-effect double-adsorption type refrigeration circulating system - Google Patents
Dual-effect double-adsorption type refrigeration circulating system Download PDFInfo
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- CN101319829A CN101319829A CNA2008100404546A CN200810040454A CN101319829A CN 101319829 A CN101319829 A CN 101319829A CN A2008100404546 A CNA2008100404546 A CN A2008100404546A CN 200810040454 A CN200810040454 A CN 200810040454A CN 101319829 A CN101319829 A CN 101319829A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Abstract
The invention relates to a double-effect and double absorption typed refrigerating cycle system, belongs to the refrigerating air conditioner technology field. In the invention, a high temperature reactor is connected with a condenser by a high temperature control valve. The condenser is connected with the inlet of an evaporator by a throttle valve. The left outlet of the evaporator is connected with a left low temperature reactor by a left low temperature control valve. The outlet of the left lower temperature reactor is connected with the inlet of a high temperature reactor by a left re-absorption control valve. The right outlet of the evaporator is connected with the inlet of a right low temperature reactor by a right low temperature control valve. The outlet of the right low temperature reactor is connection with a medium temperature reactor by a right re-absorption control valve. The outlet of the medium temperature is rightly connected with the condenser by a medium temperature control valve. The insides of the high temperature reactor, medium temperature and low temperature reactor are separately installed with reactor heating and cooling coils and are filled with adsorbent. The heat exchange coils are separately installed inside the condenser and the evaporator. The double-effect and double absorption typed refrigerating cycle system not only significantly improves the operating property of solid absorption typed refrigerating cycle system, but also solves the problem of non-continuous refrigerating process.
Description
Technical field
The present invention relates to the system in a kind of refrigeration and air-conditioning technical field, specifically is a kind of based on the dual-effect double-adsorption type refrigeration circulating system of adsorption process and inner chemical reaction heat removal process of absorption-again.
Background technology
In the last few years, raising along with expanding economy and living standards of the people, the productive life energy consumption of entire society sharply increases, especially along with the continuous increase of people to the amenity sexual demand, building energy consumption has almost accounted for half of entire society's energy consumption total value, and the progressively popularization and application of refrigeration air-conditioner makes the refrigeration air-conditioner energy consumption account for most proportions in building energy consumption.Therefore, in field of Refrigeration and Air-conditioning exploitation and enforcement high-efficiency energy-saving technology very significant meaning is arranged; Meanwhile, China has a large amount of low grade residual heat (as used heat, industrial exhaust heat etc.) to be discharged because of can not get rationally utilizing every year, causes great energy waste.Solid adsorption refrigeration has become the focus that domestic and international refrigeration air-conditioner field of energy-saving technology is paid close attention to as a kind of green refrigeration technology that can effectively utilize solar energy and low grade residual heat.
The solid adsorption refrigeration circulatory system can be divided into absorption refrigeration circulation and absorption refrigeration circulation again according to the difference of refrigeration mechanism of production, the former utilizes the evaporative phase-change latent heat of cold-producing medium to realize refrigeration, the latter adopts two kinds of different chemosorbents, utilizes the adsorbent in the low-temp reaction device to absorb heat of desorption realization refrigeration in desorption process.No matter be absorption refrigeration circulation or absorption refrigeration circulation again, its weak point is that the process of refrigerastion of basic model circulation all is intermittently, and all be a high temperature heat of desorption input, a refrigerating capacity (evaporative phase-change latent heat refrigeration or heat of desorption refrigeration) output, be that the input of high temperature heat of desorption and the output of refrigerating capacity equate on cycle-index, it is the amount of energy difference, therefore, the raising of system works performance during the mode of this heat input and refrigerating capacity output has limited absorption to a certain extent, absorption refrigeration circulates again.
Find through open source literature retrieval prior art, the major measure that improves the solid adsorption refrigeration service behaviour at present is to adopt enhanced heat exchange and backheat to return the matter technology, rather than be main means to improve conventional solid absorption type refrigerating endless form, for example Chinese patent application number is " multi-effect adsorption-type refrigerating circulation system of individual heating/heat return/mass return/cooling " patent of CN01111038.4, promptly be to improve the service behaviour that solid adsorption refrigeration circulates, and heat recovery process only is the recovery of part sensible heat by adopting backheat to return the matter technology; Chinese patent application number is " based on the high-efficiency reliable adsorption refrigerating device of separating heat tube " patent of CN200410025398.0, promptly is by adopting heat pipe intensified heat transfer technology to improve the service behaviour of refrigeration system; Do not relate to the exploitation of novel solid adsorption-type refrigerating circulation system.
Summary of the invention
The objective of the invention is at the circulation of traditional absorption refrigeration and the deficiency of absorption refrigeration circulation again, a kind of dual-effect double-adsorption type refrigeration circulating system based on adsorption process of absorption-again and inner chemical reaction heat removal process is provided.In the system of the present invention, high temperature heat of desorption of every input just can obtain the output of four refrigerating capacitys, traditional relatively absorption refrigeration circulation and absorption refrigeration circulation again, and the present invention can significantly improve the service behaviour of the solid adsorption refrigeration circulatory system.
The present invention is achieved by the following technical solutions, the present invention includes: high-temperature reactor, high-temperature reactor heating and cooling coil, the high temperature control valve, condenser, the condenser heat exchange coil, choke valve, evaporimeter, the evaporimeter heat exchange coil, the low temperature control valve, the low-temp reaction device, heating of low-temp reaction device and cooling coil, adsorb control valve again, in warm control valve, in warm reactor, in heating of warm reactor and cooling coil, the chemosorbent of several differential responses temperature (filled high-temperature reactive chemistry adsorbent in the high-temperature reactor wherein, in fill in the warm reactor in warm reactive chemistry adsorbent, fill the low-temp reaction chemosorbent in the low-temp reaction device).
The high-temperature reactor outlet is connected with the import of high temperature control valve, the outlet of high temperature control valve is connected with condenser left side import, condensator outlet is connected with the choke valve import, the choke valve outlet is connected with evaporator, the outlet of an evaporimeter left side is connected with the import of left low temperature control valve, left side low temperature control valve outlet is connected with the import of left low-temp reaction device, left side low-temp reaction device outlet is adsorbed the control valve import again with a left side and is connected, a left side is adsorbed the control valve outlet again and is connected with the high-temperature reactor import, the right outlet of evaporimeter is connected with the import of right low temperature control valve, right low temperature control valve outlet is connected with the import of right low-temp reaction device, right low-temp reaction device outlet is adsorbed the control valve import again with the right side and is connected, the right side is adsorbed the control valve outlet again and is connected with middle temperature Reactor inlet, and middle temperature reactor outlet is connected with the import of middle temperature control valve, and middle temperature control valve outlet is connected with the right import of condenser.Load the pyroreaction chemosorbent in the high-temperature reactor, and heating and cooling coil be installed, the condenser heat exchange coil is installed in the condenser, the evaporimeter heat exchange coil is installed in the evaporimeter, in load in the warm reactor in warm reactive chemistry adsorbent, and heating and cooling coil are installed, load the low-temp reaction chemosorbent in the low-temp reaction device, and heating and cooling coil be installed.
Workflow of the present invention comprises two stages:
Phase I comprises: the heating desorption process of pyroreaction chemosorbent in (1) high-temperature reactor; (2) condensation of cold-producing medium and throttling process; (3) the absorption refrigeration process of low-temp reaction chemosorbent in the left low-temp reaction device; (4) process of absorption refrigeration again between the pyroreaction chemosorbent in low-temp reaction chemosorbent and the high-temperature reactor in the left low-temp reaction device.
Second stage comprises: in (1) in the warm reactor in the heating desorption process of warm reactive chemistry adsorbent, this process also is the inside chemical reaction heat removal process between high-temperature reactor and the middle temperature reactor; (2) condensation of cold-producing medium and throttling process; (3) the absorption refrigeration process of low-temp reaction chemosorbent in the right low-temp reaction device; (4) in the right low-temp reaction device in low-temp reaction chemosorbent and the middle temperature reactor in the process of absorption refrigeration again between the warm reactive chemistry adsorbent.
The present invention has positive effect: one, the dual-effect double-adsorption type refrigeration system is in each cyclic process, only, just can realize the output of four refrigerating capacitys, the cold-producing medium latent heat of phase change refrigeration that takes place between promptly left low-temp reaction device and the evaporimeter to high temperature heat of desorption of high-temperature reactor input; The cold-producing medium latent heat of phase change refrigeration that takes place between right low-temp reaction device and the evaporimeter; The absorption refrigeration again that takes place between warm reactor and the right low-temp reaction device during the absorption refrigeration again that takes place between high-temperature reactor and the left low-temp reaction device reaches.Its two, dual-effect double-adsorption type refrigeration circulating system can be realized continuous cooling, the phase I process of refrigerastion is to take place between left low-temp reaction device and the evaporimeter between cold-producing medium latent heat of phase change refrigeration and middle temperature reactor and the right low-temp reaction device absorption refrigeration again to take place; The second stage process of refrigerastion is the cold-producing medium latent heat of phase change refrigeration that takes place between absorption refrigeration again between left low-temp reaction device and the high-temperature reactor and right low-temp reaction device and the evaporimeter.Its three, the dual-effect double cooling cycle system can be realized the inside chemical reaction heat removal process between high-temperature reactor and the middle temperature reactor.In when, between high-temperature reactor and the left low-temp reaction device absorption refrigeration taking place again when, pyroreaction chemosorbent in the high-temperature reactor can produce a large amount of heats of adsorption, warm reactor is in desorption state simultaneously, with the heat of adsorption of high-temperature reactor recycle can heating desorption in middle temperature reactive chemistry adsorbent in the warm reactor, avoided the waste of high-temperature reactor heat of adsorption on the one hand, reduce system's heat demand of high temperature heat source to external world on the other hand, thereby realized the energy-conservation purpose of whole cooling cycle system.Its four, dual-effect double-adsorption type refrigeration circulating system has bigger refrigerating capacity.Compare with the absorption refrigeration circulation, refrigerating capacity exceeds utilizes the thermogenetic refrigerating capacity of desorb; Compare with the circulation of absorption refrigeration again, its refrigerating capacity exceeds the refrigerating capacity of cold-producing medium evaporation latent heat; With based on absorption-amount of absorption refrigeration again during refrigerating capacity exceeds between warm reactor and the right low-temp reaction device and the absorption refrigeration amount between right low-temp reaction device and the evaporimeter are compared in the dual-effect double absorption refrigeration circulation of adsorption process again.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Wherein: the 1st, high-temperature reactor, the 2nd, high-temperature reactor heating and cooling coil, the 3rd, the pyroreaction chemosorbent, the 4th, the high temperature control valve, the 5th, the condenser heat exchange coil, the 6th, condenser, the 7th, middle temperature control valve, the 8th, middle temperature reactor, the 9th, middle temperature reactor heating and cooling coil, the 10th, middle temperature reactive chemistry adsorbent, the 11st, the control valve of absorption again between middle temperature reactor 8 and the low-temp reaction device 14, the 12nd, low-temp reaction device, the 13rd, the heating of low-temp reaction device 12 and cooling coil, the 14th, low-temp reaction chemosorbent, the 15th, the low temperature control valve between low-temp reaction device 12 and the evaporimeter 18, the 16th, evaporimeter heat exchange coil, the 17th, choke valve, the 18th, evaporimeter, the 19th, the low temperature control valve between low-temp reaction device 20 and the evaporimeter 18, the 20th, low-temp reaction device, the 21st, the heating of low-temp reaction device 20 and cooling coil, the 22nd, the control valve of absorption again between high-temperature reactor 1 and the low-temp reaction device 20;
Among the figure: the pipe inside solid direction of arrow is represented the flow direction of cold-producing medium, manages the flow direction of heat-transfer fluid in the outer solid arrow direction indication coil pipe.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises high-temperature reactor 1, high-temperature reactor heating and cooling coil 2, pyroreaction chemosorbent 3, high temperature control valve 4, condenser heat exchange coil 5, condenser 6, in warm control valve 7, in warm reactor 8, heating of middle temperature reactor and cooling coil 9, middle temperature reactive chemistry adsorbent 10, in the control valve of absorption again 11 between warm reactor 8 and the low-temp reaction device 14, low-temp reaction device 12, the heating of low-temp reaction device 12 and cooling coil 13, low-temp reaction chemosorbent 14, low temperature control valve 15 between low-temp reaction device 12 and the evaporimeter 18, evaporimeter heat exchange coil 16, choke valve 17, evaporimeter 18, low temperature control valve 19 between low-temp reaction device 20 and the evaporimeter 18, low-temp reaction device 20, the heating of low-temp reaction device 20 and cooling coil 21, the control valve of absorption again 22 between high-temperature reactor 1 and the low-temp reaction device 20.
High-temperature reactor 1 outlet is connected with 4 imports of high temperature control valve, 4 outlets of high temperature control valve are connected with condenser 6 left imports, condenser 6 outlets are connected with choke valve 17 imports, choke valve 17 outlets are connected with evaporimeter 18 imports, evaporimeter 18 left side outlets are connected with 19 imports of low temperature control valve, 19 outlets of low temperature control valve are connected with 20 imports of low-temp reaction device, low-temp reaction device 20 outlet with adsorb control valve 22 imports again and be connected, adsorbing control valve 22 outlets again is connected with high-temperature reactor 1 import, evaporimeter 18 right outlets are connected with 15 imports of low temperature control valve, 15 outlets of low temperature control valve are connected with 12 imports of low-temp reaction device, low-temp reaction device 12 outlet with adsorb control valve 11 imports again and be connected, adsorbing control valve 11 outlets again is connected with middle temperature reactor 8 imports, in 8 outlets of warm reactor be connected with middle temperature control valve 7 imports, middle temperature control valve 7 exports and is connected with condenser 6 right imports.Heating and cooling coil 2 are installed in the high-temperature reactor 1, condenser heat exchange coil 5 is installed in the condenser 6, evaporimeter heat exchange coil 16 is installed in the evaporimeter 18, in heating and cooling coil 9 are installed in the warm reactor 8, heating and cooling coil 13 are installed in the low-temp reaction device 12, heating and cooling coil 21 are installed in the low-temp reaction device 20.Pyroreaction chemosorbent 3 is filled in the high-temperature reactor 1, and in the warm reactor 8, low-temp reaction chemosorbent 14 was filled in low-temp reaction device 12 and 20 during middle temperature reactive chemistry adsorbent 10 was filled in.
Under identical operating pressure, warm reactive chemistry adsorbent 10 and low-temp reaction chemosorbent 14 during the operating temperature of described pyroreaction chemosorbent 3 is higher than.
Under identical operating pressure, described in the operating temperature of warm reactive chemistry adsorbent 10 be higher than low-temp reaction chemosorbent 14.
Described pyroreaction chemosorbent 3 is in each cyclic process, and by heat of desorption of external high temperature thermal source input, the heat of desorption of middle temperature reactive chemistry adsorbent 10 is provided by the heat of adsorption of pyroreaction chemosorbent 3.
In the native system, cold-producing medium mobile has two circulation loops: in first cyclic process, cold-producing medium passes through high-temperature reactor 1, condenser 6, evaporimeter 18, low-temp reaction device 20 successively, returns high-temperature reactor 1, forms the flow circuit loop of first ring-type; In second cyclic process, warm reactor 8 during cold-producing medium passes through successively, condenser 6, evaporimeter 18, low-temp reaction device 12, warm reactor 8 in returning, the flow circuit loop of second ring-type of formation.
In first circulation loop of cold-producing medium, the course of work: the 1. heating desorption process of pyroreaction chemosorbent 3 in the high-temperature reactor 1; 2. the condensation of cold-producing medium and throttling process; 3. the absorption refrigeration process of low-temp reaction chemosorbent 14 in the left low-temp reaction device 20; 4. the process of absorption refrigeration again between the pyroreaction chemosorbent 3 in low-temp reaction chemosorbent 14 and the high-temperature reactor 1 in the left low-temp reaction device 20.
1. the heating desorption process of pyroreaction chemosorbent 3 in the high-temperature reactor 1.In the heating desorption process, close the control valve of absorption again 22 between high-temperature reactor 1 and the left low-temp reaction device 20, heat by the pyroreaction chemosorbent 3 in 2 pairs of high-temperature reactors 1 of the heat(ing) coil in the high-temperature reactor, after the temperature of adsorbent 3 rises to desorption temperature, open the high temperature control valve 4 between high-temperature reactor 1 and the condenser 6, desorb in the pyroreaction chemosorbent 3 of cold-producing medium from high-temperature reactor 1, finish the desorption process of high-temperature reactor 1.
2. the condensation of cold-producing medium and throttling process.The refrigerant vapour that pyroreaction chemosorbent 3 desorbs from high-temperature reactor 1 enters condenser 6 and carries out heat exchange with condenser heat exchange coil 5, emit heat and condense into liquid refrigerant, the liquid refrigerant that choke valve 17 throttlings of flowing through then form low-temp low-pressure enters evaporimeter 18, finishes condensing and throttling process of cold-producing medium.
3. the absorption refrigeration process of low-temp reaction chemosorbent 14 in the left low-temp reaction device 20.In the absorption refrigeration process, still close the control valve of absorption again 22 between high-temperature reactor 1 and the left low-temp reaction device 20, cool off by the low-temp reaction chemosorbent 14 in 21 pairs of left low-temp reaction devices 20 of cooling coil of left low-temp reaction device 20, after the temperature of adsorbent 14 is reduced to adsorption temp, open the low temperature control valve 19 between left low-temp reaction device 20 and the evaporimeter 18, low-temp reaction chemosorbent 14 in the left side low-temp reaction device 20 begins the cold-producing medium in the evaporimeter 18 is adsorbed, low-temp low-pressure liquid refrigerant in the evaporimeter 18 undergoes phase transition the heat that absorbs heat-transfer fluid in the evaporimeter heat exchange coil 16 under the suction-operated of low-temp reaction chemosorbent 14, produce the absorption refrigeration effect, realize the cold output first time in the dual-effect double-adsorption type refrigeration circulating system of the present invention.
4. the process of absorption refrigeration again between the pyroreaction chemosorbent 3 in low-temp reaction chemosorbent 14 and the high-temperature reactor 1 in the left low-temp reaction device 20.In adsorption process again, low temperature control valve 19 between high temperature control valve 4 between high-temperature reactor 1 and the condenser 6 and left low-temp reaction device 20 and the evaporimeter 18 all cuts out, pyroreaction chemosorbent 3 has stronger absorption property because of desorption process after finishing in the high-temperature reactor 1, simultaneously, low-temp reaction chemosorbent 14 is finished because of adsorption process and is reached the absorption saturation state in the low-temp reaction device 20 of a left side, utilize pyroreaction chemosorbent 3 in 2 pairs of high-temperature reactors 1 of high-temperature reactor cooling coil to cool off its temperature is reduced, after the temperature of pyroreaction chemosorbent 3 in the high-temperature reactor 1 drops to adsorption temp, open the control valve of absorption again 22 between high-temperature reactor 1 and the left low-temp reaction device 20, at this moment, the adsorption reaction that pyroreaction chemosorbent 3 takes place under the high temperature in the high-temperature reactor 1, the desorb reaction under the low temperature takes place in low-temp reaction chemosorbent 14 in the left low-temp reaction device 20.The heat of adsorption that pyroreaction chemosorbent 3 discharges in the high-temperature reactor 1 is recycled by the heat-transfer fluid in the high-temperature reactor cooling coil 2, for the middle temperature reactive chemistry adsorbent 10 in the warm reactor 8 in being filled in provides heat of desorption, low-temp reaction chemosorbent 14 absorbs heat at the heat-transfer fluid of desorption phase in low-temp reaction device heat(ing) coil 21 in the low-temp reaction device 20 of a left side, produce absorption refrigeration effect again, realize the cold output second time in the dual-effect double-adsorption type refrigeration circulating system of the present invention.
In second circulation loop of cold-producing medium, the course of work: 1. in the warm reactor 8 in the heating desorption process of warm reactive chemistry adsorbent 10, this process also is the inside chemical reaction heat removal process between high-temperature reactor 1 and the middle temperature reactor 8; 2. the condensation of cold-producing medium and throttling process; 3. the absorption refrigeration process of low-temp reaction chemosorbent 14 in the right low-temp reaction device 12; 4. the process of absorption refrigeration again between the middle temperature reactive chemistry adsorbent 10 in the right low-temp reaction device 12 in low-temp reaction chemosorbent 14 and the middle temperature reactor 8.
The heating desorption process of the middle temperature reactive chemistry adsorbent 10 1. in the warm reactor 8, this process also are the inside chemical reaction heat removal process between high-temperature reactor 1 and the middle temperature reactor 8.At inner chemical reaction heat recovery stage, the control valve of absorption again 11 between the low temperature control valve 19 between the high temperature control valve 4 between high-temperature reactor 1 and the condenser 6, left low-temp reaction device 20 and the evaporimeter 18, middle temperature reactor 8 and the right low-temp reaction device 12 all cuts out.Recycle the heat of adsorption that pyroreaction chemosorbent 3 in the high-temperature reactor 1 produces in adsorption process again, carry out heating desorption by the middle temperature reactive chemistry adsorbent 10 in the middle temperature reactor heat(ing) coil 9 centering temperature reactors 8, after the temperature of adsorbent 10 rises to desorption temperature in the central warm reactor 8, middle temperature control valve 7 in the unlatching between warm reactor 8 and the condenser 6, desorb the desorption process of warm reactor 8 in finishing in the middle temperature reactive chemistry adsorbent 10 in the therefrom warm reactor 8 of cold-producing medium.
2. the condensation of cold-producing medium and throttling process.The refrigerant vapour that middle temperature reactive chemistry adsorbent 10 in the therefrom warm reactor 8 desorbs enters condenser 6 and carries out heat exchange with condenser heat exchange coil 5, emit heat and condense into liquid refrigerant, the liquid refrigerant that choke valve 17 throttlings of flowing through then form low-temp low-pressure enters evaporimeter 18, finishes condensing and throttling process of cold-producing medium.
3. the absorption refrigeration process of low-temp reaction chemosorbent 14 in the right low-temp reaction device 12.In the cooling adsorption process, still the control valve of absorption again 11 in closing between warm reactor 8 and the right low-temp reaction device 12, cool off by the low-temp reaction chemosorbent 14 in 13 pairs of right low-temp reaction devices 12 of cooling coil of right low-temp reaction device 12, after the temperature of adsorbent 14 is reduced to adsorption temp, open the low temperature control valve 15 between right low-temp reaction device 12 and the evaporimeter 18, low-temp reaction chemosorbent 14 in the right low-temp reaction device 12 begins the cold-producing medium in the evaporimeter 18 is adsorbed, low-temp low-pressure liquid refrigerant in the evaporimeter 18 undergoes phase transition the heat that absorbs heat-transfer fluid in the evaporimeter heat exchange coil 16 under the suction-operated of low-temp reaction chemosorbent 14, produce the absorption refrigeration effect, realize the output of cold for the third time in the dual-effect double-adsorption type refrigeration circulating system of the present invention.
4. in the right low-temp reaction device 12 in low-temp reaction chemosorbent 14 and the middle temperature reactor 8 in the process of absorption refrigeration again between the warm reactive chemistry adsorbent 10.In adsorption process again, in middle temperature control valve 7 between warm reactor 8 and the condenser 6 and the low temperature control valve 15 between right low-temp reaction device 12 and the evaporimeter 18 all close, middle temperature reactive chemistry adsorbent 10 in the utilization in the warm reactor cooling coil 9 centering temperature reactors 8 cools off its temperature is reduced, after the temperature of the middle temperature reactive chemistry adsorbent 10 in the central warm reactor 8 drops to adsorption temp, the control valve of absorption again 11 in the unlatching between warm reactor 8 and the right low-temp reaction device 12, at this moment, in in the warm reactor 8 in warm reactive chemistry adsorbent 10 take place in temperature adsorption reaction down, the desorb that low-temp reaction chemosorbents 14 take place under the low temperature in the right low-temp reaction device 12 is reacted.In in the warm reactor 8 in the heat of adsorption that discharges of warm reactive chemistry adsorbent 10 take away by the heat-transfer fluid in the middle temperature reactor cooling coil 9, low-temp reaction chemosorbent 14 absorbs heat at the heat-transfer fluid of desorption phase in low-temp reaction device heat(ing) coil 13 in the right low-temp reaction device 12, produce absorption refrigeration effect again, realize the 4th cold output in the dual-effect double-adsorption type refrigeration circulating system of the present invention.
Claims (6)
1, a kind of dual-effect double-adsorption type refrigeration circulating system, comprise: high-temperature reactor (1), high-temperature reactor heating and cooling coil (2), pyroreaction chemosorbent (3), high temperature control valve (4), condenser heat exchange coil (5), condenser (6), in warm control valve (7), in warm reactor (8), in heating of warm reactor and cooling coil (9), in warm reactive chemistry adsorbent (10), two adsorb control valve (11 again, 22), two low-temp reaction devices (12,20), two low-temp reaction devices heat and cooling coil (13,21), low-temp reaction chemosorbent (14), two low temperature control valves (15,19), evaporimeter heat exchange coil (16), choke valve (17), evaporimeter (18), it is characterized in that: high-temperature reactor (1) outlet is connected with high temperature control valve (4) import, high temperature control valve (4) outlet is connected with the left import of condenser (6), condenser (6) outlet is connected with choke valve (17) import, choke valve (17) outlet is connected with evaporimeter (18) import, the outlet of evaporimeter (a 18) left side is connected with low temperature control valve (19) import, low temperature control valve (19) outlet is connected with low-temp reaction device (20) import, low-temp reaction device (20) outlet with adsorb control valve (22) import again and be connected, adsorbing control valve (22) outlet again is connected with high-temperature reactor (1) import, the right outlet of evaporimeter (18) is connected with low temperature control valve (15) import, low temperature control valve (15) outlet is connected with low-temp reaction device (12) import, low-temp reaction device (12) outlet with adsorb control valve (11) import again and be connected, adsorbing control valve (11) outlet again is connected with middle temperature reactor (8) import, in warm reactor (8) outlet be connected with middle temperature control valve (7) import, middle temperature control valve (7) exports and is connected with the right import of condenser (6); Be provided with heating and cooling coil (2) in the high-temperature reactor (1), be provided with condenser heat exchange coil (5) in the condenser (6), be provided with evaporimeter heat exchange coil (16) in the evaporimeter (18), in be provided with heating and cooling coil (9) in the warm reactor (8), be provided with heating and cooling coil (13) in the low-temp reaction device (12), be provided with heating and cooling coil (21) in the low-temp reaction device (20), pyroreaction chemosorbent (3) is filled in the high-temperature reactor (1), in warm reactive chemistry adsorbent (10) be filled in in the warm reactor (8), low-temp reaction chemosorbent (14) is filled in two low-temp reaction devices (12,20) in.
2, dual-effect double-adsorption type refrigeration circulating system according to claim 1, it is characterized in that, under identical operating pressure, warm reactive chemistry adsorbent (10) and low-temp reaction chemosorbent (14) during the operating temperature of described pyroreaction chemosorbent (3) is higher than.
3, dual-effect double-adsorption type refrigeration circulating system according to claim 1 is characterized in that, under identical operating pressure, described in the operating temperature of warm reactive chemistry adsorbent (10) be higher than low-temp reaction chemosorbent (14).
4, dual-effect double-adsorption type refrigeration circulating system according to claim 1, it is characterized in that, described pyroreaction chemosorbent (3) is in each cyclic process, by heat of desorption of external high temperature thermal source input, realize four times process of refrigerastion, wherein process of refrigerastion by cold-producing medium evaporative phase-change refrigeration in the adsorption process and again in the adsorption process heat of desorption of low-temp reaction chemosorbent form.
5, dual-effect double-adsorption type refrigeration circulating system according to claim 1, it is characterized in that, adopt inner chemical reaction heat recovery technology between described high-temperature reactor (1) and the middle temperature reactor (8), the heat of desorption of middle temperature reactive chemistry adsorbent (10) is provided by the heat of adsorption of pyroreaction chemosorbent (3).
6, dual-effect double-adsorption type refrigeration circulating system according to claim 1, it is characterized in that, described cold-producing medium mobile has two circulation loops: in first cyclic process, cold-producing medium passes through high-temperature reactor (1), condenser (6), evaporimeter (18), low-temp reaction device (20) successively, return high-temperature reactor (1), form the flow circuit loop of first ring-type; In second cyclic process, warm reactor (8), condenser (6), evaporimeter (18), low-temp reaction device (12) during cold-producing medium passes through successively, warm reactor (8) in returning, the flow circuit loop of second ring-type of formation.
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| CN101793442A (en) * | 2010-03-25 | 2010-08-04 | 上海交通大学 | Pressure-swing desorption type two-stage double thermochemical absorption refrigeration circulation system |
| CN101813398A (en) * | 2010-04-16 | 2010-08-25 | 上海交通大学 | Multi-mode thermochemical adsorption refrigeration device based on cascade utilization of energy |
| CN104089432A (en) * | 2014-07-21 | 2014-10-08 | 上海交通大学 | Solar-driven efficient moisture absorption-thermal chemical reaction two-stage air conditioning system |
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Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0765816B2 (en) * | 1989-02-28 | 1995-07-19 | 西淀空調機株式会社 | Adsorption refrigerator and its operating method |
| CN1177713A (en) * | 1996-07-05 | 1998-04-01 | 北京庆东锅炉有限公司 | Direct-absorption type refrigerating and heating equipment |
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| CN101793442A (en) * | 2010-03-25 | 2010-08-04 | 上海交通大学 | Pressure-swing desorption type two-stage double thermochemical absorption refrigeration circulation system |
| CN101813398A (en) * | 2010-04-16 | 2010-08-25 | 上海交通大学 | Multi-mode thermochemical adsorption refrigeration device based on cascade utilization of energy |
| CN101813398B (en) * | 2010-04-16 | 2012-08-29 | 上海交通大学 | Multi-mode thermochemical adsorption refrigeration device based on cascade utilization of energy |
| CN104110913A (en) * | 2014-07-18 | 2014-10-22 | 上海交通大学 | Low-grade waste heat driven efficient moisture absorption and thermochemical reaction two-stage temperature changer |
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| CN104089432B (en) * | 2014-07-21 | 2016-05-25 | 上海交通大学 | A kind of Driven by Solar Energy efficient absorbent-thermal chemical reaction twin-stage air-conditioning system |
| CN104896787A (en) * | 2015-01-12 | 2015-09-09 | 上海交通大学 | An adsorption refrigeration device driven by engine exhaust gas |
| CN104896787B (en) * | 2015-01-12 | 2017-12-15 | 上海交通大学 | One kind utilizes the gas-powered absorption refrigeration device of engines tail |
| CN113028675A (en) * | 2021-03-18 | 2021-06-25 | 上海交通大学 | Adsorption type refrigerating system and operation method thereof |
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