CN105423590B - Absorption refrigeration system - Google Patents

Absorption refrigeration system Download PDF

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Publication number
CN105423590B
CN105423590B CN201510579008.2A CN201510579008A CN105423590B CN 105423590 B CN105423590 B CN 105423590B CN 201510579008 A CN201510579008 A CN 201510579008A CN 105423590 B CN105423590 B CN 105423590B
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China
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cold
heat
cold water
refrigerating machine
temperature
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CN105423590A (en
Inventor
市野義裕
小粥正登
稻垣元巳
児玉充
山田阳祐
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Yazaki Energy System Corp
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Yazaki Energy System Corp
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62Absorption based systems

Abstract

The present invention provides a kind of absorption refrigeration system, and the heat that absorption refrigeration system is possessed is not utilized effectively lavishly, can realize the suppression of energy consumption.Absorption refrigeration system (1) has:Absorption refrigerating machine (21);Heat storage tank (12), it supplies the thermal medium for the regenerator (101) of absorption refrigerating machine (21) to be heated;Cooling tower (25), it is by the condenser (102) and absorber (104) of cooling water supply to absorption refrigerating machine (21);Cold-storage groove (45), it carries out cold-storage to cold;And system controller (50), it controls the heat of absorption refrigerating machine (21) heat storage tank (12) cooling tower (25) cold-storage groove (45) indoor set (41) mobile.Herein, system controller (50) is based on the condition of absorption refrigeration system (1) and the environmental condition around the absorption refrigeration system (1), selects the control method of less energy consumption by Cold water supply to indoor set (41).

Description

Absorption refrigeration system
Technical field
The present invention relates to absorption refrigeration system.
Background technology
In the past, it is known that obtained using the cycle period formed by evaporator, absorber, regenerator and condenser by outside The absorption refrigerating machine (see, for example patent document 1) of the cold water used in portion's equipment.In the suction including the absorption refrigerating machine In receipts formula refrigeration system, include the heat storage tank of the regenerator supply thermal medium to absorption refrigerating machine, various start can be utilized The exhaust of machine etc., the steam of boiler or solar heat carry out the accumulation of heat to heat storage tank.In addition, in the absorption freezing system In system, in order to suppress to be input into the waste of the heat of absorption refrigerating machine, in the situation for the operating for not requiring external equipment Under, also the cold water of self-absorption in future formula refrigerator imported into cold-storage groove, and the cold-storage in cold-storage groove.
Prior art literature
Patent document
Patent document 1:Japan's Japanese Unexamined Patent Publication 2014-035139 publications
The content of the invention
The present invention technical problem to be solved
As described above, in absorption refrigeration system, due to possessing warm amount, cold, therefore, it is desirable to by not lavishly These heats are effectively utilized, so as to construct the system for the suppression for reaching energy consumption.
The present invention be in view of the situation and complete, its object is to provide a kind of absorption refrigeration system, not lavishly The heat that absorption refrigeration system is possessed is effectively utilized, the suppression of energy consumption can be realized.
Technical teaching for solving the problem was
In order to solve the problem, the present invention provides a kind of to cold after being cooled down using cold water come the external equipment supply operated The absorption refrigeration system of water.The absorption refrigeration system has:Absorption refrigerating machine, it is using by evaporator, absorber, again Cycle period that raw device and condenser are formed generates cold water;Heat storage tank, it is supplied for by the regenerator of absorption refrigerating machine The thermal medium of heating;Cooling tower, it is by the condenser and absorber of cooling water supply to absorption refrigerating machine;Cold-storage groove, its is right Cold carries out cold-storage;And controller, it controls the heat of receipts formula refrigerator heat storage tank cooling tower cold-storage groove external equipment It is mobile.Also, controller selects the control method of less energy consumption based on system condition and environmental condition, by Cold water supply to outside Equipment.
Herein, in the present invention, it is preferred that the control method that controller can select has:1st control method, in order to Extraneous gas is imported to be operated without by Cold water supply to external equipment;2nd control method, supplied using using from cooling tower The natural cooling for the cooling water given is by Cold water supply to external equipment;3rd control method, using the cold of cold-storage groove come will be cold Water is supplied to external equipment;And the 4th control method, using absorption refrigerating machine come by Cold water supply to external equipment.It is also, excellent Choosing, controller judge whether control method is appropriate from the 1st control method with ascending order, and selection is judged as appropriate control Method processed.
In addition, or, heat storage tank absorbs by the heat accumulation of heat of solar heat heat collector thermal-arrest in the present invention Formula refrigeration system also has the donkey boiler for heating heat storage tank.In this case it is preferable that the control that controller can select Method processed also has the 5th control method:Heat storage tank is heated using donkey boiler, and supplied cold water using absorption refrigerating machine It is given to external equipment.
In addition, in the present invention, it is preferred that controller in the case where not requiring the operating of external equipment, uses Cold water supply to cold-storage groove is carried out the cold-storage of the cold-storage groove by absorption refrigerating machine.
Invention effect
According to the present invention, by selecting the control method of less energy consumption, so as to what absorption refrigeration system was possessed Heat does not utilize effectively lavishly.Thereby, it is possible to realize the suppression of the overall energy consumption of system.
Brief description of the drawings
Fig. 1 is the pie graph for schematically showing absorption refrigeration system.
Fig. 2 is the summary construction diagram for an example for showing absorption refrigerating machine.
Fig. 3 is the flow chart for the control method for showing absorption refrigeration system.
Fig. 4 is the flow chart for the control method for showing absorption refrigeration system.
Fig. 5 is the action flow chart of the heat-collecting pump in the 1st system.
Fig. 6 is the flow chart of the order for the output control for showing donkey boiler combustion requirements signal.
Fig. 7 is the flow chart of the order for the operating control for showing donkey boiler.
Fig. 8 is the pie graph of the variation for the absorption refrigeration system for schematically showing the 2nd embodiment.
Description of reference numerals
1 absorption refrigeration system
10 the 1st systems
11 solar heat heat collectors
12 heat storage tanks
20 the 2nd systems
21 absorption refrigerating machines
101 regenerators
102 condensers
103 evaporators
104 absorbers
25 cooling towers
40 the 3rd systems
41 indoor sets
50 system controllers (controller)
Embodiment
(the 1st embodiment)
Fig. 1 is the pie graph for the absorption refrigeration system 1 for schematically showing present embodiment.The absorption of present embodiment Formula refrigeration system 1 is the system for being heated the weak solution of absorption refrigerating machine 21 using solar heat, including the 1st system 10, 2nd system 20, the 3rd system 40 and system controller 50.
1st system 10 is by the system of solar heat accumulation of heat, including solar heat heat collector 11, heat storage tank 12, collection hot-fluid Road 13, heat-collecting pump 14 and donkey boiler 16.
Solar heat heat collector 11 is arranged on the first-class appearance on such as roof by receiving sunshine so as to which thermal medium be heated It is easily accepted by the position of sunshine.For thermal medium, water, anti-icing fluid (such as propyleneglycoles aqueous solution) etc. are used.
Heat storage tank 12, e.g. will be by solar heat heat collector 11 by by the heat accumulation of heat of the thermal-arrest of solar heat heat collector 11 Thermal medium after heating accumulates in the case of inside.
Collection hot flowpath 13 is thermal medium is circulated again into solar heat by heat storage tank 12 from solar heat heat collector 11 The pipe arrangement of heat collector 11.The 1st will be referred to as from heat storage tank 12 towards the stream of solar heat heat collector 11 in the collection hot flowpath 13 Collect hot flowpath 13a, the 2nd collection hot flowpath 13b will be referred to as from solar heat heat collector 11 towards the stream of heat storage tank 12.
Heat-collecting pump 14 is arranged at the 1st collection hot flowpath 13a, is the power source for circulating thermal medium.
In the present embodiment, it be direct heat collecting type to collect hot mode, collect in hot flowpath 13 in solar heat heat collector 11 and In the thermal medium and thermal medium stream 22 described later that are circulated between heat storage tank 12 between heat storage tank 12 and absorption refrigerating machine 21 The thermal medium of circulation shares.However, it is possible to be indirect heat collecting type in a manner of making thermal-arrest, collect in hot flowpath 13 in solar heat thermal-arrest In the thermal medium and thermal medium stream 22 that are circulated between device 11 and heat storage tank 12 between heat storage tank 12 and absorption refrigerating machine 21 Circulating thermal medium dividually uses.In the case, it can make heat storage tank 12 that there is heat exchanger, and make via collection hot flowpath 13 The thermal medium of circulation flow to heat exchanger and heats heat storage tank 12.
Donkey boiler 16 forcibly heats the thermal medium of heat storage tank 12.It is to make thermal medium from heat storage tank 12 to circulate stream 15 The pipe arrangement of heat storage tank 12 is circulated again into by donkey boiler 16.On circulation stream 15, being provided with makes thermal medium in auxiliary pot The donkey boiler circulating pump 17 circulated between stove 16 and heat storage tank 12.
2nd system 20 is used to obtain cold water use in indoor set 41 described later or the cold-storage in cold-storage groove 45, bag Include absorption refrigerating machine 21, thermal medium stream 22, thermal medium pump 23 and heat exchanger 29.In addition, in the present embodiment, Cold water is utilized in indoor set 41 or cold-storage groove 45, it is however not limited to which cold water, can also utilize other refrigerants.
Fig. 2 is the summary construction diagram for an example for showing absorption refrigerating machine 21.Absorption refrigerating machine 21 is by regenerator In weak solution heating, obtain cold water using the cycle period of the regenerator, condenser, evaporator and absorber.It is absorption Refrigerator 21 includes regenerator 101, condenser 102, evaporator 103 and absorber 104.In addition, in absorption refrigerating machine 21 Combination has cooling tower 25 and cooling water stream 26.
Regenerator 101 is blended with refrigerant (such as water) and the weak solution of the lithium bromide (LiBr) as absorbing liquid (is inhaled Receive the low solution of the concentration of liquid) heating.Hereinafter, the material after refrigerant vapour is referred to as " refrigerant vapour ", by refrigerant Material after liquefaction is referred to as " liquid refrigerant ".Thermal medium stream 22 is configured with the regenerator 101, weak solution is dispersed into heat On medium stream 22 and it is heated.Regenerator 101 using heating make steam from weak solution release, so as to generate refrigerant vapour and Concentrated solution (the high solution of the concentration of absorbing liquid).
Condenser 102 makes from the refrigerant vapour liquefaction supplied from regenerator 101.It is provided with and leads in the condenser 102 Heat pipe 102a, the cooling water after cooled tower 25 cools down circulate in heat conducting pipe 102a.It is linked with heat conducting pipe 102a Cooling water stream 26 so that cooling water can circulate between heat conducting pipe 102a and cooling tower 25.Refrigerant vapour after evaporation Liquefied by the cooling water in heat conducting pipe 102a.Liquid refrigerant after being liquefied in condenser 102 is fed into evaporator 103.
Evaporator 103 evaporates liquid refrigerant.The cold water stream being connected with indoor set 41 is provided with the evaporator 103 42.Cold water after being heated by indoor set 41 flows in the cold water stream 42.In addition, it is vacuum state in evaporator 103.Cause This, the evaporating temperature as the water of refrigerant is about 5 DEG C.Therefore, the liquid refrigerant being dispersed on cold water stream 42 can be because cold The temperature on current road 42 and evaporate.On the other hand, the cold water in cold water stream 42 is seized temperature because of the evaporation of liquid refrigerant. Thus, the cold water of flowing is cooled in cold water stream 42, and the cold water after this is cooled is fed into indoor set 41.
Absorber 104 by evaporator 103 evaporate after refrigerant suction.Concentrated solution is supplied from regenerator 101, is utilized Refrigerant suction after evaporation is generated weak solution by concentrated solution.Heat conducting pipe 104a is provided with the absorber 104, is cooled Cooling water after tower 25 cools down circulates in heat conducting pipe 104a.Cooling water stream 26 is linked with heat conducting pipe 104a, is made Cooling water is obtained to circulate between heat conducting pipe 104a and cooling tower 25.Hot quilt is absorbed caused by because of concentrated solution absorption refrigeration agent The cooling water to be circulated in heat conducting pipe 104a removes.Weak solution after concentration reduces because of absorption refrigeration agent is supplied to by pump 104b Regenerator 101.In addition, heat conducting pipe 104a is for the cooling water with the sharing cooling tower 25 of condenser 102, with leading for condenser 102 Heat pipe 102a connections.
Cooling tower 25 by cooling water supply to absorption refrigerating machine 21, also, after being heated by absorption refrigerating machine 21 Cool down water cooling.Cooling tower 25 has the groove for housing cooling water in such as bottom.In the cell, carried out using the lifting of buoy Feedwater, the groove accumulate quantitative cooling water.In addition, cooling tower 25 has fan and configuration in the lower section of the fan at an upper portion thereof Heat exchange department.The cooling water come is returned from absorption refrigerating machine 21 and is dispersed into heat exchange department, by heat exchange department so as to quilt Cooling.Cooling water after being cooled down by the heat exchange department is accumulated in groove.
Cooling water stream 26 is the absorber 104 and condenser for making cooling water from cooling tower 25 by absorption refrigerating machine 21 102 are circulated again into the pipe arrangement of cooling tower 25.Wherein, the 1st will be referred to as from cooling tower 25 towards the stream of absorption refrigerating machine 21 Cooling water stream 26a, the 2nd cooling water stream 26b will be referred to as from absorption refrigerating machine 21 towards the stream of cooling tower 25.
1st cooling water stream 26a is linked to the bottom (bottom of groove point) of cooling tower 25, in the 1st cooling water stream 26a On be provided with cooling water pump 27.Cooling water pump 27 is the power source for making cooling water circulation.2nd cooling water stream 26b is linked to cold But the top of tower 25 (between fan and heat exchange department).
Moreover, absorption refrigerating machine 21 includes control unit 105.The control unit 105 includes CPU (Central Processing Unit:Central processing unit), controlled according to the air-conditioning requirement (running requirements of indoor set 41) from user The operating of absorption refrigerating machine 21 processed.
In the case where operating absorption refrigerating machine 21, control unit 105 is based on from being arranged in absorption refrigerating machine 21 Cold water outlet temperature that the cold water outlet temperature sensor in portion obtains carries out the control of absorption refrigerating machine 21.Specifically, Stop temperature and (generally, the temperature adjustment stopping of temperature adjustment start temperature in the temperature adjustment that control unit 105 is stored when being operated by usual air-cooling system Temperature < temperature adjustments start temperature).When cold water outlet temperature, which reaches temperature adjustment, to be stopped below temperature, control unit 105 makes its operating temporary When stop (temperature adjustment stoppings), when cold water outlet temperature reaches more than temperature adjustment start temperature, release temperature adjustment stopping and make its operating Start again.In addition, in temporarily ceasing, water supply pump 43 described later acts, and makes circulating chilled water.
Referring again to Fig. 1, thermal medium stream 22 is the regeneration for making thermal medium from heat storage tank 12 by absorption refrigerating machine 21 Device 101 is circulated again into the pipe arrangement of heat storage tank 12.Wherein, by the regenerator 101 from heat storage tank 12 towards absorption refrigerating machine 21 Stream be referred to as the 1st thermal medium stream 22a, the stream of regenerator 101 towards heat storage tank 12 from absorption refrigerating machine 21 is claimed Make the 2nd thermal medium stream 22b.
Thermal medium pump 23 is arranged at the 1st thermal medium stream 22a in thermal medium stream 22, is the power for circulating thermal medium Source.
Heat exchanger 29 carries out heat between the cooling water after cold water and cooled tower 25 cooling supplied to indoor set 41 Exchange, be fed into the cold water cooling (natural cooling) of indoor set 41.Branch's cooling current are provided with the heat exchanger 29 Road 28 and cold water stream 42 described later.
Branch's cooling water stream 28 is to return the cooling water flowed in the 1st cooling water stream 26a via heat exchanger 29 Return to the 2nd cooling water stream 26b pipe arrangement.It will be handed in branch's cooling water stream 28 from the 1st cooling water stream 26a towards heat The stream of parallel operation 29 is referred to as the 1st branch cooling water stream 28a, by from heat exchanger 29 towards the 2nd cooling water stream 26b stream Referred to as the 2nd branch cooling water stream 28b.
The branch point that the 1st branch cooling water stream 28a is branched off into from the 1st cooling water stream 26a is provided with the 1st switching valve 30.1st switching valve 30 is triple valve, can be to by from the cooling water supply that cooling tower 25 supplies to the road of absorption refrigerating machine 21 Line, switch over being supplied to the route of heat exchanger 29.
3rd system 40 is by more than Cold water supply to indoor set 41, including 1 indoor set 41 of (such as 3), cold water stream 42nd, water supply pump 43 and cold-storage groove 45.
Each indoor set 41 is disposed in the interior.Each indoor set 41 be carried out according to the air-conditioning requirement from user it is cold The air conditioner of gas equipment operation.In air-cooling system operating, each indoor set 41 be fed into the cold water of indoor set 41 with From heat exchange is carried out between the air of indoor suction, air is cooled down using cold water, by the air air-supply after cooling to interior.
Cold water stream 42 is cold water is circulated again into room by the evaporator 103 of absorption refrigerating machine 21 from indoor set 41 The pipe arrangement of interior machine 41, each indoor set 41 connect side by side.Wherein, by from indoor set 41 towards the evaporation of absorption refrigerating machine 21 The stream of device 103 is referred to as the 1st cold water stream 42a, by the stream from the evaporator 103 of absorption refrigerating machine 21 towards indoor set 41 Referred to as the 2nd cold water stream 42b.
Water supply pump 43 is arranged at the 1st cold water stream 42a in cold water stream 42, is the power source for making circulating chilled water.
Cold-storage groove 45 by the cold water after being cooled down by absorption refrigerating machine 21 come cold-storage, e.g. will be by absorption refrigerating machine Cold water after 21 coolings accumulates in the case of inside.In addition, cold-storage groove 45 can also utilize cool storage material to the cold of the cold water of importing Amount carries out cold-storage.In the case, cool storage material can for example use the mixture of water and gel (natural polymer), but It is to be not particularly limited to this.In addition, cold-storage groove 45 can also be the type for including making the heat exchanger of cold water circulation.
Branch's cold water stream 44 is provided with cold-storage groove 45.Branch's cold water stream 44 is will to be flowed in cold water stream 42 Dynamic cold water again returns to the pipe arrangement of cold water stream 42 via cold-storage groove 45.Wherein, will be stored from the 2nd cold water stream 42b directions The stream of cold trap 45 is referred to as the 1st branch cold water stream 44a, will be referred to as from cold-storage groove 45 towards the 1st cold water stream 42a stream 2 branch cold water stream 44b.In addition, the 3rd branch cold water stream 44c, the 3rd branch's cold water are included in branch's cold water stream 44 The cold water flowed in the 2nd branch cold water stream 44b is returned to the 2nd cold water stream 42b by stream 44c.
The branch point that the 1st branch cold water stream 44a is branched off into from the 2nd cold water stream 42b is provided with the 2nd switching valve 46. 2nd switching valve 46 is triple valve, can to by from the Cold water supply that absorption refrigerating machine 21 supplies to the route of cold-storage groove 45, with The route for being supplied to indoor set 41 switches over.
In addition, the branch point that the 3rd branch cold water stream 44c is branched off into from the 2nd branch cold water stream 44b is provided with the 3rd Switching valve 47.3rd switching valve 47 is triple valve, can be to by from the Cold water supply that cold-storage groove 45 supplies to indoor set 41, (the 2nd is cold Current road 42b) route, switch over returning to the route of absorption refrigerating machine 21 (the 1st cold water stream 42a).
System controller 50 controls the overall control of absorption refrigeration system 1.It is defeated as controlling in system controller 50 Enter, input has the signal from various sensors etc..System controller 50 carries out various computings based on control input, will comply with The control of the operation result is output to each portion of absorption refrigeration system 1.As system controller 50, can use with The microcomputer that CPU, ROM, RAM, I/O interface are formed for main body.
Heat storage tank temperature sensor 51 is the sensor detected to the temperature of heat storage tank 12, by the temperature with heat storage tank 12 Corresponding signal output is spent to system controller 50.Heat collector outlet temperature sensor 52 is to being flowed from solar heat heat collector 11 The sensor that the temperature (heat collector outlet temperature) of the thermal medium gone out is detected, will signal corresponding with heat collector outlet temperature It is output to system controller 50.
Indoor set inlet temperature sensor 53 is the temperature to being supplied to the cold water of indoor set 41 from absorption refrigerating machine 21 The sensor that (indoor set inlet temperature) is detected, will signal output corresponding with indoor set inlet temperature to system controller 50.Indoor set outlet temperature sensor 54 is (indoor to returning to the temperature of the cold water of absorption refrigerating machine 21 from indoor set 41 Machine outlet temperature) sensor that is detected, will signal output corresponding with indoor set outlet temperature to system controller 50.
External temperature sensor 55 is the sensor detected to outside air temperature, will signal corresponding with outside air temperature it is defeated Go out to system controller 50.Wet bulb temperature sensor 56 is the sensor detected to wet-bulb temperature, will be with wet-bulb temperature phase The signal output answered is to system controller 50.Cold-storage groove temperature sensor 57 is the sensing detected to the temperature of cold-storage groove 45 Device, by signal output corresponding with the temperature of cold-storage groove 45 to system controller 50.
One of feature as present embodiment, system controller 50 is to absorption refrigerating machine 21, heat storage tank 12, cooling tower 25th, the heat movement of cold-storage groove 45, indoor set 41 is controlled.Also, bar of the system controller 50 based on absorption refrigeration system 1 The condition (environmental condition) of part (system condition) and environment around the absorption refrigeration system 1 selects the controlling party of less energy consumption Method and by Cold water supply to indoor set 41.
Fig. 3 and Fig. 4 is the flow chart for the control method for showing absorption refrigeration system 1.Processing quilt shown in the flow chart Recalled with the predetermined cycle and performed by system controller 50.
First, in step 10 (S10), system controller 50 determines whether the air-conditioning requirement to indoor set 41.Do not having In the case of having air-conditioning requirement, be determined as in step 10 negate, into step 11 (S11) processing.On the other hand, free Adjust in the case of requiring, be judged to affirming in step 10, into step 15 (S15) processing.
In a step 11, system controller 50 judges whether the temperature of heat storage tank 12 is high compared with dynamic judgement temperature T0.Herein, Start and judge that temperature T0 represents be judged as can not being pre- by the higher limit of the temperature for the heat storage tank 12 that absorption refrigerating machine 21 starts First set.Heat storage tank 12 temperature compared with it is dynamic judgement temperature T0 height in the case of, be judged to affirming in a step 11, enter Step 12 (S12).On the other hand, in the case where the temperature of heat storage tank 12 judges below temperature T0 for starting, in a step 11 Be determined as negate, into step 14 (S14).
In step 12, system controller 50 judge cold-storage groove 45 temperature whether than can cryogenic temperature T1 it is low.Herein, Can cryogenic temperature T1 represent be judged as can not using the cold water from cold-storage groove 45 come carry out the air-cooling system of indoor set 41 fortune The lower limit of the temperature of the cold-storage groove 45 turned, is set in advance.Being in the temperature of cold-storage groove 45 being capable of more than cryogenic temperature T1 In the case of, be determined as in step 12 negate, into step 13 (S13).On the other hand, can in the temperature ratio of cold-storage groove 45 In the case that cryogenic temperature T1 is low, it is judged to affirming in step 12, into step 14.
In step 13, system controller 50 makes absorption refrigerating machine 21 operate and be stored in cold-storage groove 45 to cold It is cold.Specifically, system controller 50 exports operation instruction to the control unit 105 of absorption refrigerating machine 21, and operating is absorption cold Jelly machine 21.In addition, system controller 50 exports operation instruction to thermal medium pump 23, cooling water pump 27 and water supply pump 43, this is operated A little pumps 23,27,43.Moreover, system controller 50 control the 2nd switching valve 46, set will be supplied from absorption refrigerating machine 21 it is cold Water is supplied to the route of cold-storage groove 45, also, controls the 3rd switching valve 47, sets and returns to the cold water supplied from cold-storage groove 45 The route of absorption refrigerating machine 21.By controlling the 2nd switching valve 46 and the 3rd switching valve 47, make cold water in absorption refrigerating machine 21 Circulated between cold-storage groove 45.Then, present treatment (return) is terminated.
At step 14, system controller 50 terminates the cold-storage from absorption refrigerating machine 21 to cold-storage groove 45.Specifically, System controller 50 exports instruction of stopping, the operating for the absorption refrigerating machine 21 that stops to the control unit 105 of absorption refrigerating machine 21. In addition, system controller 50 to thermal medium pump 23, cooling water pump 27 and water supply pump 43 export halt instruction, stop these pumps 23, 27th, 43 operating.
In step 15, system controller 50 judges whether current time is night.The time-bands at night are predetermined For such as from afternoon 6 when to morning 6 when time-bands.The time-bands can also be set according to such as summer and winter this season It is set to different time-bands.
In the case where current time is night, it is judged to affirming in step 15, into step 16 (S16).The opposing party Face, current time be not be night daytime in the case of, be determined as in step 15 negate, into step 21 (S21).
In step 16, system controller 50 judges whether outside air temperature is lower than low temperature decision content.Low temperature decision content is pair Whether outside air temperature is low to be sentenced to the degree that can be operated by importing extraneous gas to carry out the air-cooling system of indoor set 41 Disconnected temperature, it is set in advance.In the case where outside air temperature is lower than low temperature decision content, it is judged to affirming in step 16, Into step 17 (S17).On the other hand, in the case where outside air temperature is more than low temperature decision content, it is determined as in step 16 Negative, into step 18 (S18).
In step 17, system controller 50 is instructed by importing extraneous gas the air-cooling system of indoor set 41 that carries out Operating.In the case, extraneous gas air-supply is arrived interior by each indoor set 41.Then, present treatment (return) is terminated.
In step 18, system controller 50 judges whether wet-bulb temperature is lower than wet-bulb temperature decision content.Wet-bulb temperature is sentenced Definite value is for judging whether cooling tower 25 can be utilized to generate the value of the cooling water needed for natural cooling, is set in advance. In the case where wet-bulb temperature is lower than wet-bulb temperature decision content, in step 18, it is judged to affirming, into step 19 (S19).Separately On the one hand, wet-bulb temperature be wet-bulb temperature decision content more than in the case of, be determined as in step 18 negate, into step 21。
In step 19, system controller 50 compared with a reference value set in advance by judging the negative of indoor set 41 Whether lotus is big.The load of indoor set 41 can the temperature difference based on indoor set inlet temperature and indoor set outlet temperature come computing. In the case that the load of machine 41 is small indoors, be determined as in step 19 negate, into step 20 (S20).On the other hand, in room In the case that the load of interior machine 41 is big, it is judged to affirming in step 19, into step 21.
In step 20, system controller 50 instructs the air-cooling system operating for the indoor set 41 for having used natural cooling.This When, system controller 50 controls the 1st switching valve 30, is set as from the cooling water supply that cooling tower 25 supplies to heat exchanger 29 Route.Moreover, system controller 50 exports operation instruction to cooling water pump 27, the pump 27 is operated.Thus, cooling water is cooling down Circulated between tower 25 and heat exchanger 29.In addition, system controller 50 controls the 2nd switching valve 46, setting will be from absorption freezing Route of the Cold water supply that machine 21 supplies to indoor set 41.Moreover, system controller 50 exports operation instruction, fortune to water supply pump 43 Turn the pump 43.Thus, cold water circulates between heat exchanger 29 and indoor set 41.
In air-cooling system operating, cold water of each indoor set 41 after being cooled down by heat exchanger 29 with from indoor suction Air between carry out heat exchange, air is cooled down using cold water, by after cooling air air-supply to interior.Then, this is terminated Handle (return).
In step 21, system controller 50 judges the air-cooling system operating institute for whether having indoor set 41 in cold-storage groove 45 The cold water of the temperature needed.In the case of the cold water for having the temperature needed for the air-cooling system operating of indoor set 41 in cold-storage groove 45, It is judged to affirming in step 21, therefore, into step 22 (S22).On the other hand, there is no indoor set 41 in cold-storage groove 45 Air-cooling system operating needed for temperature cold water in the case of, be determined as in step 21 negate, therefore enter step 23 (S23)。
In step 22, system controller 50 instructs the air-cooling system fortune of the indoor set 41 for the cold water for having used cold-storage groove 45 Turn.Now, system controller 50 controls the 2nd switching valve 46, sets the cold water after being returned from indoor set 41 via absorption cold Jelly machine 21 is supplied to the route of cold-storage groove 45, also, controls the 3rd switching valve 47, sets and supplies the cold water supplied from cold-storage groove 45 It is given to the route of indoor set 41.In addition, system controller 50 exports operation instruction to water supply pump 43, the pump 43 is operated.Thus, it is cold Water circulates between cold-storage groove 45 and indoor set 41.
In air-cooling system operating, each indoor set 41 is in the cold water supplied from cold-storage groove 45 and the sky from indoor suction Heat exchange is carried out between gas, is cooled down air using cold water, by the air air-supply after cooling to interior.Then, this place is terminated Manage (return).
In step 23, system controller 50 judges whether the temperature of heat storage tank 12 is high compared with dynamic judgement temperature T0.Storing In the case that the temperature of heat channel 12 is compared with dynamic judgement temperature T0 height, it is judged to affirming in step 23, into step 24 (S24). On the other hand, in the case where the temperature of heat storage tank 12 judges below temperature T0 for starting, it is determined as negating to enter in step 23 Enter step 25 (S25).
In step 24, the instruction of system controller 50 has used the indoor set 41 of the cold water from absorption refrigerating machine 21 Air-cooling system operates.Now, system controller 50 exports operation instruction to the control unit 105 of absorption refrigerating machine 21, starts to inhale The operating of receipts formula refrigerator 21.Operated in addition, system controller 50 exports to thermal medium pump 23, cooling water pump 27 and water supply pump 43 Instruction, operates these pumps 23,27,43.Moreover, system controller 50 controls the 2nd switching valve 46, setting will be from absorption refrigerating machine Route of the Cold water supply of 21 supplies to indoor set 41.By controlling the 2nd switching valve 46, so that cold water is in absorption refrigerating machine Circulated between 21 and indoor set 41.
In air-cooling system operating, each indoor set 41 is in the cold water that supply from absorption refrigerating machine 21 and from indoor suction Heat exchange is carried out between the air entered, is cooled down air using cold water, by the air air-supply after cooling to interior.Then, tie Beam present treatment (return).
In step 25, the instruction operating donkey boiler 16 of system controller 50, and instruct and used from absorption cold The air-cooling system operating of the indoor set 41 of the cold water of jelly machine 21.Specifically, system controller 50 is exported to donkey boiler 16 and transported Turn instruction, heated the thermal medium of heat storage tank 12 using donkey boiler 16.In addition, system controller 50 is to absorption refrigerating machine 21 Control unit 105 export operation instruction, start absorption refrigerating machine 21 operating.In addition, system controller 50 is to thermal medium pump 23rd, cooling water pump 27, water supply pump 43 and donkey boiler circulating pump 17 export operation instruction, operate these pumps 23,27,43,17.And And system controller 50 controls the 2nd switching valve 46, sets from the Cold water supply that absorption refrigerating machine 21 supplies to indoor set 41 Route.By controlling the 2nd switching valve 46, so that cold water circulates between absorption refrigerating machine 21 and indoor set 41.
In air-cooling system operating, each indoor set 41 is in the cold water that supply from absorption refrigerating machine 21 and from indoor suction Heat exchange is carried out between the air entered, is cooled down air using cold water, by the air air-supply after cooling to interior.Then, tie Beam present treatment (return).
Fig. 5 is the action flow chart of the heat-collecting pump 14 in the 1st system 10.Processing shown in the flow chart is by system controller 50 perform.
First, in step 30 (S30), whether system controller 50 judges the temperature of heat storage tank 12 than accumulation of heat completion temperature It is low.It is to operate absorption refrigerating machine 21 to the temperature of the requirement of heat storage tank 12 that temperature is completed in accumulation of heat, is set in advance. In the case that the temperature of heat storage tank 12 is lower than accumulation of heat completion temperature, it is judged to affirming in step 30, into step 31 (S31). On the other hand, in the case where the temperature of heat storage tank 12 completes more than temperature for accumulation of heat, it is determined as negating to enter in step 30 Step 33 (S33).
In step 31, system controller 50 judge the temperature of heat collector outlet temperature and heat storage tank 12 temperature difference whether More than decision content set in advance.In the case where the temperature difference is more than decision content, it is judged to affirming in step 31, enters Enter step 32 (S32).On the other hand, in the case where the temperature difference is smaller than decision content, it is determined as negating to enter in step 31 Step 33.
In the step 32, system controller 50 carries out the accumulation of heat to heat storage tank 12.Specifically, system controller 50 operates Heat-collecting pump 24, thermal medium is set to be circulated between solar heat heat collector 11 and heat storage tank 12.
In step 33, system controller 50 stops the accumulation of heat to heat storage tank 12.Specifically, system controller 50 stops Heat-collecting pump 24, stop the circulation of the thermal medium between solar heat heat collector 11 and heat storage tank 12.
So, the absorption refrigeration system 1 of present embodiment is to supplying cooling using cold water come the indoor set 41 operated The system of cold water afterwards.The absorption refrigeration system 1 has:Absorption refrigerating machine 21;Heat storage tank 12, it is supplied for that will absorb The thermal medium that the regenerator 101 of formula refrigerator 21 heats;Cooling tower 25, it is by cooling water supply to the cold of absorption refrigerating machine 21 Condenser 102 and absorber 104;Cold-storage groove 45, it carries out cold-storage to cold;And system controller 50, it controls absorption freezing The heat of the indoor set 41 of 25 cold-storage groove of machine 21 heat storage tank, 12 cooling tower 45 is mobile.Herein, system controller 50 is based on inhaling The condition of receipts formula refrigeration system 1 and the environmental condition around the absorption refrigeration system 1, select the control method of less energy consumption by Cold water supply is to indoor set 41.
According to this composition, by selecting the control method of less energy consumption, so as to what absorption refrigeration system 1 was possessed Heat does not utilize effectively lavishly.Thereby, it is possible to realize the suppression of the overall energy consumption of system.
In addition, in the present embodiment, the control method that can be selected that system controller 50 has for:1st controlling party Method, in order to import extraneous gas to operate without by Cold water supply to indoor set 41;2nd control method, using using from cold But the natural cooling for the cooling water that tower 25 supplies is by Cold water supply to indoor set 41;3rd control method, use cold-storage groove 45 Cold is by Cold water supply to indoor set 41;And the 4th control method, using absorption refrigerating machine 21 come by Cold water supply to interior Machine 41.Also, system controller 50 judges whether control method is appropriate, and selection is judged as from the 1st control method with ascending order Appropriate control method.
Above-mentioned control method is with the 1st control method, the 2nd control method, the 3rd control method, the order of the 4th control method Energy consumption becomes big.Therefore, by judging whether these control methods are appropriate successively from the 1st control method, so as to determine The minimum control method of current point in time energy consumption.Thereby, it is possible to the heat for being possessed absorption refrigeration system 1 not to have lavishly Effect utilizes, and can realize the suppression of energy consumption.
In addition, in the present embodiment, heat storage tank 12 is by by the heat accumulation of heat of the thermal-arrest of solar heat heat collector 11.Also, Absorption refrigeration system 1 also has the donkey boiler 16 for heating heat storage tank 12.In the case, system controller 50 can select The control method selected also has the 5th control method, using the heat storage groove 12 of donkey boiler 16, and uses absorption refrigerating machine 21 by Cold water supply to indoor set 41.
In the case where carrying out accumulation of heat using solar heat heat collector 11, having can not stablize because of the influence of sunshine amount etc. Ground carries out the tendency of the accumulation of heat to heat storage tank 12.In this case it is desirable to the donkey boiler 16 that heat storage tank 12 is heated.But The use of the adjoint fuel of operating of donkey boiler 16, energy consumption are big.Therefore, by the way that such control method is positioned as into the 5th control Method, so as to preferentially select other control methods, it can preferentially select the control method of less energy consumption.In addition, by possessing Such 5th control method is used as options, so as under sunshine amount few daytime, night this scene, suppress to inhale This situation of fail to start of receipts formula refrigerator 21.
In addition, in the present embodiment, in the case where not requiring the operating of indoor set 41, system controller 50 uses Cold water supply is carried out the cold-storage of cold-storage groove 45 by absorption refrigerating machine 21 to cold-storage groove 45.
According to this composition, by the cold of self-absorption in future formula refrigerator 21 in cold-storage groove 45 cold-storage, so as to will Do not utilized effectively lavishly by the heat of the thermal-arrest of solar heat heat collector 11.Thereby, it is possible to possessed absorption refrigeration system Heat lavishly effectively utilize, the suppression of energy consumption can be realized.
In addition, in the present embodiment, as shown in figure 5, the operating control of heat-collecting pump 14 can be carried out suitably.Thus, The thermal-arrest caused by the temperature of heat storage tank 12 rises can be suppressed as far as possible to stop, suppressing to be carried out by solar heat heat collector 11 The loss of the chance of thermal-arrest.
(the 2nd embodiment)
Hereinafter, the absorption refrigeration system 1 of the 2nd embodiment is illustrated.In the absorption refrigeration system 1 of the 2nd embodiment In, one of feature is used as using the control method of donkey boiler 16.The absorption refrigeration system 1 of 2nd embodiment can use with 1st embodiment forms same composition, however, it is also possible to omit heat exchanger 29, cold-storage groove 45 etc..
In system controller 50, the operating of donkey boiler 16 control is carried out generally, based on the temperature of heat storage tank 12. That is, in the case where the temperature of heat storage tank 12 judges below temperature T0 for starting, system controller 50 exports to donkey boiler 16 Operation instruction, the donkey boiler 16 is started to carry out the heating of the supplement of heat storage tank 12.
But in the control method, no matter either with or without the requirement from absorption refrigerating machine 21 all according only to heat storage tank 12 temperature and start donkey boiler 16, accordingly, there exist useless supplement heating.It is for example, cold being supplied to indoor set 41 In the case that water can obtain necessary temperature, and absorption refrigerating machine 21 does not require thermal medium, i.e. in the situation that temperature adjustment stops Under, thermal medium pump 23 stops.Now, in the case where donkey boiler 16 is operating condition, the heat storage tank 12 because of supplement heating Temperature rises, still, due to the heat utilization being not applied in absorption refrigerating machine 21, so referred to as useless supplement heating.Separately Outside, after due to the temperature rise by heat storage tank 12, the collecting efficiency of solar heat heat collector 11 turns into the tendency reduced, so, Unnecessary supplement heating has caused the reduction of collecting efficiency.
Therefore, in the present embodiment, under the scene for requiring thermal medium, the control unit 105 of absorption refrigerating machine 21 will Donkey boiler combustion requirements signal also exports to system controller 50.Also, temperature of the system controller 50 based on heat storage tank 12, And the donkey boiler combustion requirements signal from absorption refrigerating machine 21 controls to carry out the operating of donkey boiler 16.
In addition, control unit 105 from the cold water outlet temperature sensor for the inside for being arranged on absorption refrigerating machine 21 based on obtaining The cold water outlet temperature obtained, judge whether to export donkey boiler combustion requirements signal.
It is output donkey boiler combustion requirements letter in the case that signal output judges more than temperature in cold water outlet temperature Number, in addition, in the case where stopping to judge below temperature for signal output, stop the output of donkey boiler combustion requirements signal. Moreover, in the case where exporting donkey boiler combustion requirements signal, untill the time set in advance, donkey boiler is set to burn It is required that the output of signal is standby, in the case where the time inner cold water outlet temperature becomes to judge that temperature is low than signal output, in The only output of donkey boiler combustion requirements signal.
Fig. 6 is the flow chart of the order for the output control for showing donkey boiler combustion requirements signal.Shown in the flow chart Processing is recalled with the predetermined cycle and performed by the control unit 105 of absorption refrigerating machine 21.
First, in step 50 (S50), control unit 105 judges the cold water from the inside for being arranged on absorption refrigerating machine 21 Whether the cold water outlet temperature that outlet temperature sensor obtains is that signal output stops to judge below temperature TC0.In cooling water outlet Temperature is that signal output stops in the case of judging below temperature TC0, is judged to affirming in step 50, into step 56 (S56).On the other hand, in the case where cold water outlet temperature stops to judge that temperature TC0 is high than signal output, sentence in step 50 It is set to negative, into step 51 (S51).
In step 51, control unit 105 judges the cold water outlet temperature biography from the inside for being arranged on absorption refrigerating machine 21 Whether the cold water outlet temperature that sensor obtains is that signal output judges more than temperature TC1.It is signal output in cold water outlet temperature In the case of judging more than temperature TC1, it is judged to affirming in step 51, into step 52 (S52).On the other hand, in cold water In the case that outlet temperature judges that temperature TC1 is low than signal output, it is determined as negating to terminate present treatment (to return in step 51 Return).
In step 52, control unit 105 is measured with the timer time started for the inside for being arranged on control unit 105.Then, Into step 53 (S53).
In step 53, control unit 105 judges the cold water outlet temperature biography from the inside for being arranged on absorption refrigerating machine 21 Whether the cold water outlet temperature that sensor obtains is that signal output judges more than temperature TC1.It is signal output in cold water outlet temperature In the case of judging more than temperature TC1, it is judged to affirming in step 53, into step 54 (S54).On the other hand, in cold water In the case that outlet temperature judges that temperature TC1 is low than signal output, be determined as in step 53 negate, into step 56.
In step 54, control unit 105 judges the cold water outlet temperature biography from the inside for being arranged on absorption refrigerating machine 21 Whether the cold water outlet temperature that sensor obtains is that instantaneous signal output judges more than temperature TC2.It is instantaneous in cold water outlet temperature In the case that signal output judges more than temperature TC2, it is judged to affirming in step 54, into step 57 (S57).The opposing party Face, in the case where cold water outlet temperature judges that temperature TC2 is small than instantaneous signal output, it is determined as negating to enter in step 54 Enter step 55 (S55).
In step 55, when whether the timer for the inside that control unit 105 judges to be arranged on control unit 105 have passed through setting Between t0.In the case where timer have passed through setting time t0, it is judged to affirming in step 55, into step 57.The opposing party Face, in the case where timer is without setting time t0, it is determined as negating to return to step 53 in step 55.
In step 56, control unit 105 stops the output (OFF) of donkey boiler combustion requirements signal to system controller 50. Then, present treatment (return) is terminated.
In step 57, control unit 105 exports donkey boiler combustion requirements signal (ON) to system controller 50.Then, Terminate present treatment (return).
In addition, in the case where solar heat thermal-arrest can not be carried out, the donkey boiler combustion requirements signal of control unit 105 Output control can also be following control:Step 52, step 53, step 54, step 55 are omitted, if cold water outlet temperature is Signal output judges more than temperature TC1, then exports donkey boiler combustion requirements signal transient to system controller 50.
Fig. 7 is the flow chart of the order for the operating control for showing donkey boiler 16.Processing shown in the flow chart is by with pre- The fixed cycle recalls and performed by system controller 50.
First, in step 40 (S40), whether system controller 50 judges the temperature of heat storage tank 12 compared with dynamic judgement temperature T0 It is high.Heat storage tank 12 temperature compared with it is dynamic judgement temperature T0 height in the case of, be judged to affirming in step 40, into step 43 (S43).On the other hand, in the case where the temperature of heat storage tank 12 judges below temperature T0 for starting, it is determined as in step 40 Negative, into step 41 (S41).
In step 41, system controller 50 determines whether donkey boiler combustion requirements signal.There is donkey boiler combustion In the case that burning requires signal, it is judged to affirming in step 41, into step 42 (S42).On the other hand, in no auxiliary pot In the case of stove combustion requirements signal, be determined as in step 41 negate, into step 43.
In step 42, system controller 50 exports operation instruction to donkey boiler 16, operates donkey boiler 16.Thus, The thermal medium of heat storage tank 12 is heated by donkey boiler 16.
At step 43, system controller 50 exports halt instruction to donkey boiler 16, stops donkey boiler 16.
So, in the present embodiment, even if the temperature of heat storage tank 12 judges below temperature T0 to start, do not coming from In the case of the donkey boiler combustion requirements signal of absorption refrigerating machine 21, system controller 50 also stops to the output of donkey boiler 16 Only instruct.
According to this composition, by carrying out the operating control of donkey boiler 16 according to the requirement of the thermal medium of absorption refrigerating machine 21 System, so as to reduce useless supplement heating.The fuel required thereby, it is possible to cut down supplement heating.In addition, donkey boiler The time of 16 heat storage grooves 12 is reduced, it is possible to increase collecting efficiency.
Fig. 8 is the pie graph of the variation for the absorption refrigeration system 1 for schematically showing the 2nd embodiment.In the change In the absorption refrigeration system 1 of shape example, donkey boiler 16 is arranged at the 1st thermal medium stream 22a.Also, it is provided with by-pass Road 19, the refrigerant that the bypass stream 19 makes to have passed through after donkey boiler 16 will not reach absorption refrigerating machine 21, but return To heat storage tank 12.The branch point that bypass stream 19 is branched off into from the 1st thermal medium stream 22a is provided with the 4th switching valve 18.4th Switching valve 18 is triple valve, can be to will have passed through the refrigerant after donkey boiler 16 and be supplied to the road of absorption refrigerating machine 21 Line, with around absorption refrigerating machine 21 and being supplied to the route of heat storage tank 12 and switching over.
In the absorption refrigeration system shown in the variation, thus, even if the temperature of heat storage tank 12 judges temperature to start Below T0 is spent, in the case of the donkey boiler combustion requirements signal not from absorption refrigerating machine 21, also to donkey boiler 16 output halt instructions, stop the operating of donkey boiler 16.Then, from heat storage tank 12 send out thermal medium not by donkey boiler 16 Supplement heating, heat storage tank 12 is returned to around absorption refrigerating machine 21 using the 4th switching valve 18.
In addition, if the measurement of the thermograde of additional heat storage tank 12, and it is expected that the temperature of heat storage tank 12 can be set in advance Reach design temperature in the fixed time, then the output of operation instruction to donkey boiler 16 can also be made standby.Thus, suppress to mend Heating is filled, more appropriate operating control can be carried out.
The absorption refrigeration system of embodiments of the present invention is this concludes the description of, still, the present invention is not limited to above-mentioned Embodiment, various modifications can be carried out in the range of its technical scheme certainly.
In addition, in the present embodiment, absorption refrigerating machine, which uses, utilizes the thermal medium (temperature after being heated by solar heat Water) warm water heating mode, it is however not limited to this.For example, absorption refrigerating machine can also be by the exhaust of engine etc. Heat thermal-arrest and utilize exhaust heating mode, the mode for the vapour heating for utilizing the heat thermal-arrest of the steam such as boiler.
In addition, in the above-described embodiment, exemplified with 1 heat storage tank, but it is also possible to be provided with more heat storage tanks. In addition, in the present embodiment, exemplified with 1 absorption refrigerating machine, but it is also possible to be provided with more absorption refrigerating machines.
Moreover, in the above-described embodiment, it is still, unlimited exemplified with 3 indoor sets as the equipment using cold water Due to the indoor set of this or more than 1.In addition, in addition to indoor set, if using cold water external equipment just Can be with.As external equipment, can enumerate such as industrial cooling device.
In addition, cooling tower (cooler) can also utilize underground heat, underground water to cool down water cooling.Due in such system In system, cooling water is remained to low temperature, so, it can also improve the refrigerating capacity of absorption refrigerating machine.

Claims (3)

1. a kind of absorption refrigeration system, its cold water after being cooled down to the external equipment supply operated using cold water, it is special Sign is,
The absorption refrigeration system has:
Absorption refrigerating machine, it is generated cold using the cycle period formed by evaporator, absorber, regenerator and condenser Water;
Heat storage tank, it supplies the thermal medium for the regenerator of the absorption refrigerating machine to be heated;
Cooling tower, it is by the condenser and absorber of cooling water supply to the absorption refrigerating machine;
Cold-storage groove, it carries out cold-storage to cold;And
Controller, it controls absorption refrigerating machine, the heat storage tank, the cooling tower, the cold-storage groove and the outside The heat of equipment is mobile,
The controller selects the control method of less energy consumption based on system condition and environmental condition, by Cold water supply to described outer Portion's equipment,
The control method that the controller can select has:
1st control method, in order to import extraneous gas to be operated without by Cold water supply to the external equipment;
2nd control method, using the natural cooling using the cooling water supplied from the cooling tower come by Cold water supply to described External equipment;
3rd control method, using the cold of the cold-storage groove come by Cold water supply to the external equipment;And
4th control method, using the absorption refrigerating machine come by Cold water supply to the external equipment,
Judge whether control method is appropriate from the 1st control method with ascending order, selection is judged as appropriate control method.
2. absorption refrigeration system as claimed in claim 1, it is characterised in that
The heat storage tank by by the heat accumulation of heat of solar heat heat collector thermal-arrest,
The absorption refrigeration system also has the donkey boiler for heating the heat storage tank,
The control method that the controller can select also has the 5th control method:Using the donkey boiler heat storage groove, and And the absorption refrigerating machine is used by Cold water supply to the external equipment.
3. absorption refrigeration system as claimed in claim 1 or 2, it is characterised in that
In the case where not requiring the operating of the external equipment, the controller is using the absorption refrigerating machine come will be cold Water is supplied to the cold-storage groove and carries out the cold-storage of the cold-storage groove.
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