CN101713601B - Absorption type heat pump - Google Patents

Absorption type heat pump Download PDF

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Publication number
CN101713601B
CN101713601B CN2009101587572A CN200910158757A CN101713601B CN 101713601 B CN101713601 B CN 101713601B CN 2009101587572 A CN2009101587572 A CN 2009101587572A CN 200910158757 A CN200910158757 A CN 200910158757A CN 101713601 B CN101713601 B CN 101713601B
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China
Prior art keywords
absorber
warm water
absorption
pipe
evaporimeter
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CN101713601A (en
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石河豪夫
山崎志奥
西田一孝
吉田贵博
长泽慎悟
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Sanyo Electric Co Ltd
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Sanyo Electric Co Ltd
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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
    • 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 provides an absorption type heat pump, which prevents crystallization of concentrated absorption solution due to partial load in the heating operation. A heat source water pump is disposed on the upper stream side of the heat conductive pipe through the evaporator, a flow detection mechanism is disposed on the lower stream side, a refrigerating temperature sensor is disposed on the bottom of the evaporator. When the flow of the heat water is reduced below the set value, or the heat pump stops, the operation is not immediately stopped for dilution operation of the absorbent liquid, so that crystallization of the concentrated absorption solution is prevented. Moreover, when the heat water is likely to freeze, the refrigerating temperature sensor measures the temperature of the refrigerant liquid accumulated at the bottom of the evaporator; when the temperature of the refrigerant liquid exceeds the set temperature, dilution of the absorbent liquid is carried out, which is stopped when the temperature turns below the set temperature.

Description

Absorption heat pump
Technical field
The present invention relates to a kind of absorption heat pump that can prevent non-return heat radiation.
Background technology
Usually; Absorption heat pump constitutes, and regenerator, condenser, evaporimeter, absorber is managed connection and is arranged to cold-producing medium circulating path and absorption liquid circulating path, and be provided with refrigerated medium pump and absorb liquid pump; Be provided with the driving heat source pipe that passes through in said internal regenerator; And be provided with the thermal source water pipe that passes through in said evaporimeter inside, and then be provided with warm water tube, this warm water tube passes through in said condenser inside after passing through said absorber inside and is connected with load.And the warm water that supplies to warm water tube is through absorber when inner, the absorption heat when utilizing refrigerant vapour to be absorbed liquid to absorb and being heated; This refrigerant vapour from the evaporator evaporation and the inflow absorber of this absorber adjacency; And,, utilize from the regenerator evaporation of this condenser adjacency and the condensation heat when flowing into the refrigerant vapour condensation of condenser and being heated when the condenser; Thus, the warm water after temperature rises for example supplies to load such as heating device and heats.
In the above-mentioned absorption heat pump; For example the heat source fluids such as steam of high temperature are supplied to regenerator via the driving heat source pipe; And for example will supply to evaporimeter from the heat source waters such as warm water of discharges such as boiler via the thermal source water pipe; This heat source water effectively utilizes from the heat source water heat absorption via said refrigerant vapour through evaporimeter the time.
Document formerly as such absorption heat pump for example has patent documentation 1 etc.
Patent documentation 1: (Japan) spy opens flat 8-233391 communique
In said absorption heat pump; It is very important effectively absorbing heat from heat source water; But when loads such as heating device reduce and when the temperature that this load turns back to the warm water of warm water tube entrance side rises; Entrance side temperature as if said heat source water reduces, and then not only can not absorb heat from this heat source water, and have the situation of dispelling the heat to the heat source water side of evaporimeter from the warm water through absorber on the contrary.If produce such heat radiation phenomenon (below be called contrary heat radiation), then not only lose function, and cause thermal loss as heat pump.
Summary of the invention
The present invention makes in order to solve aforesaid prior art problems, and its purpose is to provide a kind of absorption heat pump that can prevent non-return heat radiation.
As the means that realize above-mentioned purpose; The absorption heat pump of first aspect present invention; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump; Be provided with the driving heat source pipe that passes through in said internal regenerator, and be provided with the thermal source water pipe that passes through in said evaporimeter inside, and then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside; This absorption heat pump is characterised in that the upstream side of the evaporimeter in said thermal source water pipe is provided with the heat source water entrance side temperature sensor that is used to detect the heat source water inlet temperature, and is provided with the heat source water outlet side temperature sensor that is used to detect the heat source water outlet temperature in the downstream of evaporimeter; Be provided with the upstream side branch of the absorption liquid disperser in the concentrated absorption solution pipe and the concentrated absorption solution bypass pipe that is connected with the bottom inside of absorber; This concentrated absorption solution pipe supplies to concentrated absorption solution the absorption liquid disperser of absorber from said regenerator, is provided with transfer valve at the branch part of this concentrated absorption solution bypass pipe, when said heat source water outlet temperature becomes higher than said heat source water inlet temperature, is judged to be contrary heat radiation; Switch said control valve, and make concentrated absorption solution from said regenerator flow to said concentrated absorption solution bypass pipe side and flow to the bottom of said absorber.
The absorption heat pump of second aspect; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump, be provided with the driving heat source pipe that passes through in said internal regenerator, and be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that the upstream side of the evaporimeter in said thermal source water pipe is provided with the heat source water entrance side temperature sensor that is used to detect the heat source water inlet temperature; And; Be provided with the heat source water outlet side temperature sensor that is used to detect the heat source water outlet temperature in the downstream of evaporimeter, be provided with the upstream side branch of the absorber in said warm water tube and the warm water bypass pipe that is connected with the downstream of absorber, and be provided with transfer valve at the connecting portion of this warm water bypass pipe;, said heat source water outlet temperature is judged to be contrary heat radiation when becoming higher than said heat source water inlet temperature; Switch said control valve, and make stream of warm water, thereby warm water flows away with the mode of not passing through in said absorber inside to said warm water bypass pipe side.
The absorption heat pump of the third aspect; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump; Be provided with the driving heat source pipe that passes through in said internal regenerator; And be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube, and this warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that; The upstream side of the evaporimeter in said thermal source water pipe is provided with the heat source water entrance side temperature sensor that is used to detect the heat source water inlet temperature; The upstream side of the absorber in said warm water tube is provided with the warm water entrance side temperature sensor that is used to detect the warm water inlet temperature, is provided with the upstream side branch of the absorption liquid disperser in the concentrated absorption solution pipe and the concentrated absorption solution bypass pipe that is connected with the bottom inside of absorber, and this concentrated absorption solution pipe supplies to concentrated absorption solution the absorption liquid disperser of absorber from said regenerator; Branch part at this concentrated absorption solution bypass pipe is provided with transfer valve; Compare said warm water inlet temperature when said heat source water inlet temperature and be lower than uniform temperature and be judged to be contrary heat radiation when above, switch said control valve, and make concentrated absorption solution from said regenerator flow to said concentrated absorption solution bypass pipe side and flow to the bottom of said absorber.
The absorption heat pump of fourth aspect; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump; Be provided with the driving heat source pipe that passes through in said internal regenerator, and be provided with the thermal source water pipe that passes through in said evaporimeter inside, and then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside; This absorption heat pump is characterised in that the upstream side of the evaporimeter in said thermal source water pipe is provided with the heat source water entrance side temperature sensor that is used to detect the heat source water inlet temperature, and the upstream side of the absorber in said warm water tube is provided with the warm water entrance side temperature sensor that is used to detect the warm water inlet temperature; The warm water bypass pipe that is provided with branch between absorber and the said warm water entrance side temperature sensor in said warm water tube and is connected with the downstream of absorber; And be provided with transfer valve at the connecting portion of this warm water bypass pipe, and compare said warm water inlet temperature when said heat source water inlet temperature and be lower than uniform temperature and be judged to be contrary heat radiation when above, switch said control valve; And make stream of warm water to said warm water bypass pipe side, thereby warm water flows away with the mode of not passing through in said absorber inside.
The absorption heat pump of the 5th aspect; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump; Be provided with the driving heat source pipe that passes through in said internal regenerator; And be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that, is provided with the refrigerating fluid temperature sensor and the rare absorption liquid temperature sensor that is used to detect the temperature of the rare absorption liquid that lodges in said absorber bottom of the temperature that is used to detect the refrigerating fluid that lodges in said base of evaporator; Be provided with the upstream side branch of the absorption liquid disperser in the concentrated absorption solution pipe and the concentrated absorption solution bypass pipe that is connected with the bottom inside of absorber; This concentrated absorption solution pipe supplies to concentrated absorption solution the absorption liquid disperser of absorber from said regenerator, is provided with transfer valve at the branch part of this concentrated absorption solution bypass pipe, and rare absorption liquid temperature of comparing said absorber when the refrigerating fluid temperature of said evaporimeter is lower than uniform temperature and is judged to be contrary heat radiation when above; Switch said control valve, and make concentrated absorption solution from said regenerator flow to said concentrated absorption solution bypass pipe side and flow to the bottom of said absorber.
The absorption heat pump of the 6th aspect; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump; Be provided with the driving heat source pipe that passes through in said internal regenerator; And be provided with the thermal source water pipe that passes through in said evaporimeter inside, and then be provided with warm water tube, this warm water tube is connected through said condenser inside and with load after passing through said absorber inside; This absorption heat pump is characterised in that; Be provided with the refrigerating fluid temperature sensor and the rare absorption liquid temperature sensor that is used to detect the temperature of the rare absorption liquid that lodges in said absorber bottom of the temperature that is used to detect the refrigerating fluid that lodges in said base of evaporator, be provided with the upstream side branch of the absorber in said warm water tube and the warm water bypass pipe that is connected with the downstream of absorber, and be provided with transfer valve at the connecting portion of this warm water bypass pipe; Rare absorption liquid temperature of comparing said absorber when the refrigerating fluid temperature of said evaporimeter is lower than uniform temperature and is judged to be contrary heat radiation when above; Switch said control valve, and make stream of warm water, thereby warm water flows away with the mode of not passing through in said absorber inside to said warm water bypass pipe side.
The absorption heat pump of the 7th aspect; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump; Be provided with the driving heat source pipe that passes through in said internal regenerator; And be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that, is provided with the refrigerating fluid temperature sensor and the rare absorption liquid temperature sensor that is used to detect the temperature of the rare absorption liquid that lodges in said absorber bottom of the temperature that is used to detect the refrigerating fluid that lodges in said base of evaporator; The upstream side of the evaporimeter in said thermal source water pipe is provided with the heat source water entrance side temperature sensor that is used to detect the heat source water inlet temperature; The upstream side of the absorber in said warm water tube is provided with the warm water entrance side temperature sensor that is used to detect the warm water inlet temperature, is provided with the upstream side branch of the absorption liquid disperser in the concentrated absorption solution pipe and the concentrated absorption solution bypass pipe that is connected with the bottom inside of absorber, and this concentrated absorption solution pipe supplies to concentrated absorption solution the absorption liquid disperser of absorber from said regenerator; Branch part at this concentrated absorption solution bypass pipe is provided with transfer valve; Calculate the rare absorption liquid concentration in the said absorber by the refrigerating fluid temperature of said evaporimeter and rare absorption liquid temperature of said absorber, and be parameter, contrary heat radiation is judged according to the relation between said heat source water inlet temperature and the said warm water inlet temperature with this rare absorption liquid concentration; Switch said control valve, and make concentrated absorption solution from said regenerator flow to said concentrated absorption solution bypass pipe side and flow to the bottom of said absorber.
The absorption heat pump of eight aspect; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump; Be provided with the driving heat source pipe that passes through in said internal regenerator; And be provided with the thermal source water pipe that passes through in said evaporimeter inside, and then be provided with warm water tube, this warm water tube is connected through said condenser inside and with load after passing through said absorber inside; This absorption heat pump is characterised in that; Be provided with the refrigerating fluid temperature sensor and the rare absorption liquid temperature sensor that is used to detect the temperature of the rare absorption liquid that lodges in said absorber bottom of the temperature that is used to detect the refrigerating fluid that lodges in said base of evaporator, the upstream side of the evaporimeter in said thermal source water pipe is provided with the heat source water entrance side temperature sensor that is used to detect the heat source water inlet temperature, and the upstream side of the absorber in said warm water tube is provided with the warm water entrance side temperature sensor that is used to detect the warm water inlet temperature; Be provided with the upstream side branch of the absorber in said warm water tube and the warm water bypass pipe that is connected with the downstream of absorber; And be provided with transfer valve at the connecting portion of this warm water bypass pipe, calculate the rare absorption liquid concentration in the said absorber by the refrigerating fluid temperature of said evaporimeter and rare absorption liquid temperature of said absorber, and be parameter with this rare absorption liquid concentration; According to the relation between said heat source water inlet temperature and the said warm water inlet temperature contrary heat radiation is judged; Switch said control valve, and make stream of warm water, thereby warm water flows away with the mode of not passing through in said absorber inside to said warm water bypass pipe side.
The absorption heat pump of the 9th aspect; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path, and be provided with refrigerated medium pump and absorb liquid pump, be provided with the driving heat source pipe that passes through in said internal regenerator; And be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube, and this warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that; When becoming contrary heat radiation, the said absorption liquid pump in said refrigerated medium pump and the said absorption liquid pump is stopped.
The absorption heat pump of the tenth aspect; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump, be provided with the driving heat source pipe that passes through in said internal regenerator, and be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that, when becoming contrary the heat radiation; Through the thermal source water pump in the upstream side setting of the evaporimeter of said thermal source water pipe is stopped, thereby stop the supply of heat source water.
The absorption heat pump of the tenth one side is managed connection and is arranged to cold-producing medium circulating path and absorption liquid circulating path regenerator, condenser, evaporimeter, absorber, and is provided with refrigerated medium pump and absorbs liquid pump; Be provided with the driving heat source pipe that passes through in said internal regenerator, and be provided with the thermal source water pipe that passes through in said evaporimeter inside, and then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside; This absorption heat pump is characterised in that, the heat source water bypass pipe that the upstream side with the evaporimeter in the said thermal source water pipe is connected with the downstream is set, and; Be provided with transfer valve midway at this heat source water bypass pipe; When becoming contrary heat radiation, make said heat source water flow to said heat source water bypass pipe, thereby make the afunction of said evaporimeter.
According to the invention of above-mentioned first aspect,, said heat source water outlet temperature is judged to be contrary heat radiation when becoming higher than thermal source water inlet temperature, switching control valve, and make concentrated absorption solution from regenerator flow to concentrated absorption solution bypass pipe side and flow to the bottom of absorber.Thus, can prevent the contrary heat radiation of absorption heat pump.
According to the invention of above-mentioned second aspect,, said heat source water outlet temperature is judged to be contrary heat radiation when becoming higher than thermal source water inlet temperature, switching control valve, and make stream of warm water to warm water bypass pipe side, thus warm water flows away with the mode of not passing through in absorber inside.Thus, can prevent the contrary heat radiation of absorption heat pump.
Invention according to the above-mentioned third aspect; Comparing the warm water inlet temperature when said heat source water inlet temperature is lower than uniform temperature and is judged to be contrary heat radiation when above; Switching control valve, and make concentrated absorption solution from regenerator flow to concentrated absorption solution bypass pipe side and flow to the bottom of absorber.Thus, can prevent the contrary heat radiation of absorption heat pump.
Invention according to above-mentioned fourth aspect; Comparing the warm water inlet temperature when said heat source water inlet temperature is lower than uniform temperature and is judged to be contrary heat radiation when above; Switching control valve, and make stream of warm water to warm water bypass pipe side, thus warm water flows away with the mode of not passing through in absorber inside.Thus, can prevent the contrary heat radiation of absorption heat pump.
Invention according to above-mentioned the 5th aspect; Rare absorption liquid temperature of comparing absorber when the refrigerating fluid temperature of said evaporimeter is lower than uniform temperature and is judged to be contrary heat radiation when above; Switching control valve, and make concentrated absorption solution from regenerator flow to concentrated absorption solution bypass pipe side and flow to the bottom of absorber.Thus, can prevent the contrary heat radiation of absorption heat pump.
Invention according to above-mentioned the 6th aspect; Rare absorption liquid temperature of comparing absorber when the refrigerating fluid temperature of said evaporimeter is lower than uniform temperature and is judged to be contrary heat radiation when above; Switching control valve, and make stream of warm water to warm water bypass pipe side, thus warm water flows away with the mode of not passing through in absorber inside.Thus, can prevent the contrary heat radiation of absorption heat pump.
Invention according to above-mentioned the 7th aspect; Calculate the rare absorption liquid concentration in the absorber by the refrigerating fluid temperature of said evaporimeter and rare absorption liquid temperature of absorber; And be parameter with this rare absorption liquid concentration; According to the relation between heat source water inlet temperature and the warm water inlet temperature contrary heat radiation is judged, switching control valve, and make concentrated absorption solution from regenerator flow to concentrated absorption solution bypass pipe side and flow to the bottom of absorber.Thus, can prevent the contrary heat radiation of absorption heat pump.
Invention according to above-mentioned eight aspect; Calculate the rare absorption liquid concentration in the absorber by the refrigerating fluid temperature of said evaporimeter and rare absorption liquid temperature of absorber; And be parameter with this rare absorption liquid concentration, according to the relation between heat source water inlet temperature and the warm water inlet temperature switching control valve is judged in contrary heat radiation; And make stream of warm water to warm water bypass pipe side, thereby warm water flows away with the mode of not passing through in absorber inside.Thus, can prevent the contrary heat radiation of absorption heat pump.
Invention according to above-mentioned the 9th aspect; When absorption heat pump becomes contrary heat radiation; Said absorption liquid pump in said refrigerated medium pump and the said absorption liquid pump is stopped; Thus, the absorption of the refrigerant vapour that in evaporimeter, has generated in absorber is suppressed, thereby can suppress the contrary heat radiation of heat source water pipe.And,, then can make this absorption heat pump more effective if stop refrigerated medium pump.Make under the state of the running continuation that absorbs liquid pump only stopping refrigerated medium pump, the absorbability of absorber is not easy to reduce, and causes contrary heat radiation to be difficult to convergence.
According to the invention of above-mentioned the tenth aspect, when becoming contrary heat radiation,, thus,, can prevent non-return heat radiation through making the afunction of evaporimeter through making the supply that stops heat source water at the thermal source water pump of the upstream side setting of the evaporimeter of said thermal source water pipe.
According to the above-mentioned the tenth on the one hand invention, the heat source water bypass pipe that the upstream side with the evaporimeter in the said thermal source water pipe is connected with the downstream is set, and; At this heat source water bypass pipe transfer valve is set midway; When contrary heat radiation, make heat source water flow to the heat source water bypass pipe, thereby make the afunction of evaporimeter; Thus, can prevent non-return heat radiation.
Description of drawings
Fig. 1 is the pie graph of first embodiment of expression absorption heat pump of the present invention;
Fig. 2 is the pie graph of second embodiment of expression absorption heat pump of the present invention;
Fig. 3 is the pie graph of the 3rd embodiment of expression absorption heat pump of the present invention;
Fig. 4 is the pie graph of the 4th embodiment of expression absorption heat pump of the present invention;
Fig. 5 is the pie graph of the 5th embodiment of expression absorption heat pump of the present invention;
Fig. 6 is the pie graph of the 6th embodiment of expression absorption heat pump of the present invention;
Fig. 7 is the pie graph of the 7th embodiment of expression absorption heat pump of the present invention;
Fig. 8 is the pie graph of the 8th embodiment of expression absorption heat pump of the present invention;
Fig. 9 is the pie graph of other embodiment of expression absorption heat pump of the present invention.
Description of reference numerals
1 regenerator, 2 condensers
3 evaporimeters, 4 absorbers
5 driving heat source pipes, 6 rare absorption liquid pipes
7 warm water tubes, 8 first refrigerating fluid pipes
9 refrigerated medium pumps, 10 second refrigerating fluid pipes
11 refrigerating fluid dispersers, 12 thermal source water pipes
13 heat source water entrance side temperature sensors, 14 heat source water outlet side temperature sensors
15 concentrated absorption solution pipes, 16 absorption liquid dispersers
17 absorb liquid pump 18 heat exchangers
19 concentrated absorption solution bypass pipes, 20 transfer valves
21 control device, 22 alarm display unit
23 warm water bypass pipes, 24 transfer valves
25 warm water entrance side temperature sensors, 26 refrigerating fluid temperature sensors
27 rare absorption liquid temperature sensor 28 thermal source water pumps
29 heat source water bypass pipes, 30 transfer valves
The specific embodiment
Below, based on the description of drawings embodiments of the invention.Fig. 1 is the pie graph of first embodiment of expression absorption heat pump of the present invention.In Fig. 1, Reference numeral 1 expression regenerator, 2 expressions and the condenser of regenerator 1,3 expression evaporimeters, 4 expressions and the absorber of evaporimeter 3 in abutting connection with setting in abutting connection with setting.At this moment,, use lithium bromide water solution,, make water as cold-producing medium as absorption liquid.
In said regenerator 1; Via driving heat source pipe 5 about 170 ℃ the steam of for example discharging from boiler is passed through; And to utilizing the rare absorption liquid pipe 6 is connected with said absorber 4 the rare absorption liquid that turns back in the regenerator 1 heated, thereby make refrigerant vapour evaporate separation.
Refrigerant vapour after evaporation separates in regenerator 1 to the warm water heat radiation of the warm water tube 7 that passes through in these condenser 2 inside and condensation, becomes refrigerating fluid and lodges in the bottom of condenser 2 in the condenser 2 of adjacency.The upstream side that said warm water tube 7 constitutes condenser 2 passes through in said absorber 4 inside, and the downstream of condenser 2 is connected with loads such as omitting illustrated heating device.
The refrigerating fluid that lodges in condenser 2 bottoms flows through the first refrigerating fluid pipe 8 and supplies in the evaporimeter 3 and lodge in the bottom, and the refrigerating fluid that lodges in this bottom utilizes refrigerated medium pump 9 to flow through refrigerating fluid disperser 11 dispersions of the second refrigerating fluid pipe 10 and the setting from the top evaporimeter 3 in.
Reference numeral 12 is illustrated in the thermal source water pipe that evaporimeter 3 inside are passed through; For example will utilize as heat source water from the warm water (about 40 ℃) of discharges such as factory; Make this refrigerating fluid evaporation to the refrigerating fluid heat radiation that disperses from said refrigerating fluid disperser 11, above-mentioned warm water reduces because of this heat radiation temperature and flows out from evaporimeter 3.Upstream side at the evaporimeter 3 of this thermal source water pipe 12 is provided with the heat source water entrance side temperature sensor 13 that is used to detect the heat source water inlet temperature; And, be provided with the heat source water outlet side temperature sensor 14 that is used to detect the heat source water outlet temperature in the downstream of evaporimeter 3.
The refrigerant vapour that in evaporimeter 3, has evaporated flow in the absorber 4 of adjacency; Absorbed and lodge in the bottom by the concentrated absorption solution that disperses from absorption liquid disperser 16, absorption liquid disperser 16 dispersions that the concentrated absorption solution that in said regenerator 1, has thickened because of the evaporation separation concentration of cold-producing medium flows through concentrated absorption solution pipe 15 and is provided with from the top absorber 4 in.
Rare absorption liquid after absorption refrigeration agent steam in absorber 4 and concentration are thinning utilizes the bottom that absorbs liquid pump 17 self-absorption devices 4 to get back in the regenerator 1 via said rare absorption liquid pipe 6.Rare absorption liquid pipe 6 be provided with heat exchanger 18 midway, in this heat exchanger 18, self-absorption device 4 is got back to rare absorption liquid of regenerator 1, and supplies to from regenerator 1 and to carry out heat exchange between the concentrated absorption solution the absorption liquid disperser 16 of absorber 4 and be heated.
In the absorption heat pump that constitutes like this; The warm water of entrance side that supplies to said warm water tube 7 is through absorber 4 when inner, utilizes from the absorption heat of the refrigerant vapour of evaporimeter 3 side inflows to be heated, and; Through condenser 2 time; Utilization is heated from the condensation heat of the refrigerant vapour of regenerator 1 side inflow, thus, rises to set point of temperature (for example 80 ℃) and supplies to loads such as omitting illustrated heating device.
In said absorber 4 from the heat absorption of the refrigerant vapour of flash-pot 3 side inflows, thereby play effect as absorption heat pump, but if loads such as said heating device become underload, the temperature of then getting back to the warm water of warm water tube 7 entrance sides from this load uprises.Under such underload situation, if the temperature of the heat source water of said heat source water entrance side reduces, then the generation of refrigerant vapour reduces, and not only can not absorb heat from heat source water, and the warm water that comfortable sometimes absorber 4 passes through dispels the heat to the heat source water side of evaporimeter 3.As contrary heat radiation (ripe against the putting) phenomenon producing, then not only lose function, and cause thermal loss as absorption heat pump.
Contrary heat radiation like this can be judged as follows; Promptly compared by the 13 detected high moment of heat source water inlet temperature of heat source water entrance side temperature sensor by said heat source water outlet side temperature sensor 14 detected heat source water outlet temperatures, being judged to be becomes contrary radiating state.In the detection signal input control device 21 by this heat source water outlet side temperature sensor 14 and 13 detections of heat source water entrance side temperature sensor, signal outputs to alarm display unit 22 from this control device 21, and this alarm display unit 22 shows alarms.
At this moment, command signal outputs to said transfer valve 20 from control device 21, and this transfer valve 20 cuts out the path of the absorption liquid disperser 16 that leads in the concentrated absorption solution pipe 15, and, open the path that leads to concentrated absorption solution bypass pipe 19.Thus, flow through concentrated absorption solution bypass pipe 19 from the concentrated absorption solution of regenerator 1 and supply to the bottom of absorber 4.At this moment, because concentrated absorption solution is from 16 dispersions of absorption liquid disperser, so the afunction of absorber 4 can suppress contrary heat radiation.
Fig. 2 is the pie graph of second embodiment of expression absorption heat pump of the present invention.In this second embodiment, the inscape identical with said first embodiment marks Reference numeral same as described above and omits detailed explanation.
In a second embodiment; Regenerator 1, condenser 2, evaporimeter 3, absorber 4 managed connect and be arranged to cold-producing medium circulating path and absorption liquid circulating path, and, refrigerated medium pump 9 is set and absorbs liquid pump 17; Be arranged on the driving heat source pipe 5 that said regenerator 1 inside is passed through; And be arranged on the thermal source water pipe 12 that said evaporimeter 3 inside are passed through, and then warm water tube 7 is set, this warm water tube 7 is connected through said condenser 2 inside and with load after through said absorber 4 inside.In addition; The upstream side that constitutes the evaporimeter 3 in said thermal source water pipe 12 is provided with the heat source water entrance side temperature sensor 13 that is used to detect the heat source water inlet temperature; And; Be provided with the heat source water outlet side temperature sensor 14 that is used to detect the heat source water outlet temperature in the downstream of evaporimeter 3, be arranged on the upstream side branch of the absorber 4 in the said warm water tube 7 and the warm water bypass pipe 23 that is connected with the downstream of absorber 4, and transfer valve 24 is set at the connecting portion of this warm water bypass pipe 23.
In the absorption heat pump that constitutes as stated; With likewise above-mentioned; Become by heat source water outlet side temperature sensor 14 detected heat source water outlet temperatures than by the 13 detected high moment of heat source water inlet temperature of heat source water entrance side temperature sensor, being judged to be becomes contrary radiating state.The detection signal that is detected by this heat source water outlet side temperature sensor 14 and heat source water entrance side temperature sensor 13 is input in the control device 21, and signal outputs to alarm display unit 22 from this control device 21, and this alarm display unit 22 shows alarm.
At this moment, command signal outputs to said transfer valve 24 from control device 21, and this transfer valve 24 cuts out the path in the downstream of the absorber 4 that leads in the warm water tube 7, and, open the path that leads to warm water bypass pipe 23.Thus, cross warm water bypass pipe 23 from the stream of warm water of warm water tube 7 and supply with to condenser 2 sides.At this moment, because warm water is suppressed so the temperature of warm water rises not through absorber 4 inside, dispel the heat thereby can suppress contrary.
Fig. 3 is the pie graph of the 3rd embodiment of expression absorption heat pump of the present invention.In the 3rd embodiment, the inscape identical with said first, second embodiment marks Reference numeral same as described above and omits detailed explanation.
In the 3rd embodiment; Regenerator 1, condenser 2, evaporimeter 3, absorber 4 managed connect and be arranged to cold-producing medium circulating path and absorption liquid circulating path, and, refrigerated medium pump 9 is set and absorbs liquid pump 17; Be arranged on the driving heat source pipe 5 that said regenerator 1 inside is passed through; And be arranged on the thermal source water pipe 12 that said evaporimeter 3 inside are passed through, and then warm water tube 7 is set, this warm water tube 7 is connected through said condenser 2 inside and with load after through said absorber 4 inside.In addition; The upstream side that constitutes the evaporimeter 3 in said thermal source water pipe 12 is provided with the heat source water entrance side temperature sensor 13 that is used to detect the heat source water inlet temperature; And; The upstream side of the absorber 4 in said warm water tube 7 is provided with the warm water entrance side temperature sensor 25 that is used to detect the warm water inlet temperature; Be arranged on the upstream side branch of the absorption liquid disperser 16 in the concentrated absorption solution pipe 15 and the concentrated absorption solution bypass pipe 19 that is connected with the bottom inside of absorber 4, this concentrated absorption solution pipe 15 supplies to concentrated absorption solution the absorption liquid disperser 16 of absorber 4 from said regenerator 1, at the branch part of this concentrated absorption solution bypass pipe 19 transfer valve 20 is set.
At this moment, compare the warm water inlet temperature when said heat source water inlet temperature and be lower than more than the uniform temperature (for example, by experiment obtain more than 35 ℃) time, be judged to be contrary heat radiation.The detection signal that is detected by heat source water entrance side temperature sensor 13 and warm water entrance side temperature sensor 25 is input in the control device 21, and signal outputs to alarm display unit 22 from this control device 21, and this alarm display unit 22 shows alarm.
At this moment, command signal outputs to said transfer valve 20 from control device 21, and this transfer valve 20 cuts out the path of the absorption liquid disperser 16 that leads in the concentrated absorption solution pipe 15, and, open the path that leads to concentrated absorption solution bypass pipe 19.Thus, flow through concentrated absorption solution bypass pipe 19 from the concentrated absorption solution of regenerator 1 and supply to the bottom of absorber 4.At this moment, because concentrated absorption solution is from 16 dispersions of absorption liquid disperser, so the afunction of absorber 4 can suppress contrary heat radiation.
Fig. 4 is the pie graph of the 4th embodiment of expression absorption heat pump of the present invention.In the 4th embodiment, the inscape identical with said first～the 3rd embodiment marks Reference numeral same as described above and omits detailed explanation.
In the 4th embodiment; Regenerator 1, condenser 2, evaporimeter 3, absorber 4 managed connect and be arranged to cold-producing medium circulating path and absorption liquid circulating path, and, refrigerated medium pump 9 is set and absorbs liquid pump 17; Be arranged on the driving heat source pipe 5 that said regenerator 1 inside is passed through; And be arranged on the thermal source water pipe 12 that said evaporimeter 3 inside are passed through, and then warm water tube 7 is set, this warm water tube 7 is connected through said condenser 2 inside and with load after through said absorber 4 inside.In addition; The upstream side that constitutes the evaporimeter 3 in said thermal source water pipe 12 is provided with the heat source water entrance side temperature sensor 13 that is used to detect the heat source water inlet temperature; And; The upstream side of the absorber 4 in said warm water tube 7 is provided with the warm water entrance side temperature sensor 25 that is used to detect the warm water inlet temperature; The warm water bypass pipe 23 that is arranged on branch between absorber 4 and the said warm water entrance side temperature sensor 25 in the said warm water tube 17 and is connected with the downstream of absorber 4 is provided with transfer valve 24 at the connecting portion of this warm water bypass pipe 23.
At this moment, when said heat source water inlet temperature is compared the warm water inlet temperature and is lower than more than the uniform temperature (for example, more than 35 ℃), be judged to be contrary heat radiation.The detection signal that is detected by heat source water entrance side temperature sensor 13 and warm water entrance side temperature sensor 25 is input in the control device 21, and signal outputs to alarm display unit 22 from this control device 21, and this alarm display unit 22 shows alarm.
At this moment, command signal outputs to said transfer valve 24 from control device 21, and this transfer valve 24 cuts out the path in the downstream of the absorber 4 that leads in the warm water tube 7, and, open the path that leads to warm water bypass pipe 23.Thus, cross warm water bypass pipe 23 from the stream of warm water of warm water tube 7 and supply with to condenser 2 sides.At this moment, because warm water is suppressed so the temperature of warm water rises not through absorber 4 inside, dispel the heat thereby can suppress contrary.
Fig. 5 is the pie graph of the 5th embodiment of expression absorption heat pump of the present invention.In the 5th embodiment, the inscape identical with said first～the 4th embodiment marks Reference numeral same as described above and omits detailed explanation.
In the 5th embodiment; Regenerator 1, condenser 2, evaporimeter 3, absorber 4 managed connect and be arranged to cold-producing medium circulating path and absorption liquid circulating path, and, refrigerated medium pump 9 is set and absorbs liquid pump 17; Be arranged on the driving heat source pipe 5 that said regenerator 1 inside is passed through; And be arranged on the thermal source water pipe 12 that said evaporimeter 3 inside are passed through, and then warm water tube 7 is set, this warm water tube 7 passes through to be connected in the said condenser 2 and with load after through said absorber 4 inside.In addition; Constitute refrigerating fluid temperature sensor 26 that is provided with the temperature that is used to detect the refrigerating fluid that lodges in said evaporimeter 3 bottoms and the rare absorption liquid temperature sensor 27 that is used to detect the temperature of the rare absorption liquid that lodges in said absorber 4 bottoms; Be arranged on the upstream side branch of the absorption liquid disperser 16 in the concentrated absorption solution pipe 15 and the concentrated absorption solution bypass pipe 19 that is connected with the bottom inside of absorber 4; This concentrated absorption solution pipe 15 supplies to concentrated absorption solution the absorption liquid disperser 16 of absorber 4 from said regenerator 1, at the branch part of this concentrated absorption solution bypass pipe 19 transfer valve 20 is set.
At this moment, when rare absorption liquid temperature of comparing absorber 4 in the refrigerating fluid temperature of said evaporimeter 3 is lower than more than the uniform temperature (for example more than 35 ℃), be judged to be contrary heat radiation.The detection signal that is detected by refrigerating fluid temperature sensor 26 and rare absorption liquid temperature sensor 27 is input in the control device 21, and signal outputs to alarm display unit 22 from control device 21, and this alarm display unit 22 shows alarm.
At this moment, command signal outputs to said transfer valve 20 from control device 21, and this transfer valve 20 cuts out the path of the absorption liquid disperser 16 that leads in the concentrated absorption solution pipe 15, and, open the path that leads to concentrated absorption solution bypass pipe 19.Thus, flow through concentrated absorption solution bypass pipe 19 from the concentrated absorption solution of regenerator 1 and supply to the bottom of absorber 4.At this moment, because concentrated absorption solution is from 16 dispersions of absorption liquid disperser, so the afunction of absorber 4 can suppress contrary heat radiation.
Fig. 6 is the pie graph of the 6th embodiment of expression absorption heat pump of the present invention.In the 6th embodiment, the inscape identical with said first～the 5th embodiment marks Reference numeral same as described above and omits detailed explanation.
In the 6th embodiment; Regenerator 1, condenser 2, evaporimeter 3, absorber 4 managed connect and be arranged to cold-producing medium circulating path and absorption liquid circulating path, and, refrigerated medium pump 9 is set and absorbs liquid pump 17; Be arranged on the driving heat source pipe 5 that said regenerator 1 inside is passed through; And be arranged on the thermal source water pipe 12 that said evaporimeter 3 inside are passed through, and then warm water tube 7 is set, this warm water tube 7 is connected through said condenser 2 inside and with load after through said absorber 4 inside.In addition; Constitute refrigerating fluid temperature sensor 26 that is provided with the temperature that is used to detect the refrigerating fluid that lodges in said evaporimeter 3 bottoms and the rare absorption liquid temperature sensor 27 that is used to detect the temperature of the rare absorption liquid that lodges in said absorber 4 bottoms; Be arranged on the upstream side branch of the absorber 4 in the said warm water tube 7 and the warm water bypass pipe 23 that is connected with the downstream of absorber 4, and transfer valve 24 be set at the connecting portion of this warm water bypass pipe 23.
At this moment, when rare absorption liquid temperature of comparing absorber 4 in the refrigerating fluid temperature of said evaporimeter 3 is lower than more than the uniform temperature (for example more than 35 ℃), be judged to be contrary heat radiation.The detection signal that is detected by refrigerating fluid temperature sensor 26 and rare absorption liquid temperature sensor 27 is input in the control device 21, and signal outputs to alarm display unit 22 from control device 21, and this alarm display unit 22 shows alarm.
At this moment, command signal outputs to said transfer valve 24 from control device 21, and this transfer valve 24 cuts out the path in the downstream of the absorber 4 that leads in the warm water tube 7, and, open the path that leads to warm water bypass pipe 23.Thus, cross warm water bypass pipe 23 from the stream of warm water of warm water tube 7 and supply with to condenser 2 sides.At this moment, because warm water is suppressed so the temperature of warm water rises not through absorber 4 inside, dispel the heat thereby can suppress contrary.
Fig. 7 is the pie graph of the 7th embodiment of expression absorption heat pump of the present invention.In the 7th embodiment, the inscape identical with said first～the 6th embodiment marks Reference numeral same as described above and omits detailed explanation.
In the 7th embodiment; Regenerator 1, condenser 2, evaporimeter 3, absorber 4 managed connect and be arranged to cold-producing medium circulating path and absorption liquid circulating path, and, refrigerated medium pump 9 is set and absorbs liquid pump 17; Be arranged on the driving heat source pipe 5 that said regenerator 1 inside is passed through; And be arranged on the thermal source water pipe 12 that said evaporimeter 3 inside are passed through, and then warm water tube 7 is set, this warm water tube 7 is connected through said condenser 2 inside and with load after through said absorber 4 inside.In addition; Constitute refrigerating fluid temperature sensor 26 that is provided with the temperature that is used to detect the refrigerating fluid that lodges in said evaporimeter 3 bottoms and the rare absorption liquid temperature sensor 27 that is used to detect the temperature of the rare absorption liquid that lodges in said absorber 4 bottoms; The upstream side of the evaporimeter 3 in said thermal source water pipe 12 is provided with the heat source water entrance side temperature sensor 13 that is used to detect the heat source water inlet temperature; The upstream side of the absorber 4 in said warm water tube 7 is provided with the warm water entrance side temperature sensor 25 that is used to detect the warm water inlet temperature; Be arranged on the upstream side branch of the absorption liquid disperser 16 in the concentrated absorption solution pipe 15 and the concentrated absorption solution bypass pipe 19 that is connected with the bottom inside of absorber 4; This concentrated absorption solution pipe 15 supplies to concentrated absorption solution the absorption liquid disperser 16 of absorber 4 from said regenerator 1, at the branch part of this concentrated absorption solution bypass pipe 19 transfer valve 20 is set.
In this case; Calculate the rare absorption liquid concentration in the absorber 4 by the refrigerating fluid temperature of said evaporimeter 3 and rare absorption liquid temperature of absorber 4; With this rare absorption liquid concentration is parameter, according to the relation between heat source water inlet temperature and the warm water inlet temperature contrary heat radiation is judged.The detection signal that is detected by refrigerating fluid temperature sensor 26, rare absorption liquid temperature sensor 27, heat source water entrance side temperature sensor 13 and warm water entrance side temperature sensor 25 is input in the control device 21; Signal outputs to alarm display unit 22 from control device 21, and this alarm display unit 22 shows alarm.
At this moment, command signal outputs to said transfer valve 20 from control device 21, and this transfer valve 20 cuts out the path of the absorption liquid disperser 16 that leads in the concentrated absorption solution pipe 15, and, open the path that leads to concentrated absorption solution bypass pipe 19.Thus, flow through concentrated absorption solution bypass pipe 19 from the concentrated absorption solution of regenerator 1 and supply to the bottom of absorber 4.At this moment, because concentrated absorption solution is from 16 dispersions of absorption liquid disperser, so the afunction of absorber 4 can suppress contrary heat radiation.
Fig. 8 is the pie graph of the 8th embodiment of expression absorption heat pump of the present invention.In the 8th embodiment, the inscape identical with said first～the 7th embodiment marks Reference numeral same as described above and omits detailed explanation.
In the 8th embodiment; Regenerator 1, condenser 2, evaporimeter 3, absorber 4 managed connect and be arranged to cold-producing medium circulating path and absorption liquid circulating path, and, refrigerated medium pump 9 is set and absorbs liquid pump 17; Be arranged on the driving heat source pipe 5 that said regenerator 1 inside is passed through; And be arranged on the thermal source water pipe 12 that said evaporimeter 3 inside are passed through, and then warm water tube 7 is set, this warm water tube 7 is connected through said condenser 2 inside and with load after through said absorber 4 inside.In addition; Constitute refrigerating fluid temperature sensor 26 that is provided with the temperature that is used to detect the refrigerating fluid that lodges in said evaporimeter 3 bottoms and the rare absorption liquid temperature sensor 27 that is used to detect the temperature of the rare absorption liquid that lodges in said absorber 4 bottoms; The upstream side of the evaporimeter 3 in said thermal source water pipe 12 is provided with the heat source water entrance side temperature sensor 13 that is used to detect the heat source water inlet temperature; The upstream side of the absorber 4 in said warm water tube 7 is provided with the warm water entrance side temperature sensor 25 that is used to detect the warm water inlet temperature; Be arranged on the upstream side branch of the absorber 4 in the said warm water tube 7 and the warm water bypass pipe 23 that is connected with the downstream of absorber 4, and transfer valve 24 be set at the connecting portion of this warm water bypass pipe 23.
In this case; Calculate the rare absorption liquid concentration in the absorber 4 by the refrigerating fluid temperature of said evaporimeter 3 and rare absorption liquid temperature of absorber 4; With this rare absorption liquid concentration is parameter, according to the relation between heat source water inlet temperature and the warm water inlet temperature contrary heat radiation is judged.The detection signal that is detected by refrigerating fluid temperature sensor 26, rare absorption liquid temperature sensor 27, heat source water entrance side temperature sensor 13 and warm water entrance side temperature sensor 25 is input in the control device 21; Signal outputs to alarm display unit 22 from control device 21, and this alarm display unit 22 shows alarm.
At this moment, command signal outputs to said transfer valve 24 from control device 21, and this transfer valve 24 cuts out the path in the downstream of the absorber 4 that leads in the warm water tube 7, and, open the path that leads to warm water bypass pipe 23.Thus, cross warm water bypass pipe 23 from the stream of warm water of warm water tube 7 and supply with to condenser 2 sides.At this moment,, be suppressed, thereby can suppress contrary heat radiation to evaporimeter 3 sides so the temperature of warm water rises because warm water does not pass through absorber 4 inside.
Fig. 9 is the pie graph of other embodiment of expression absorption heat pump of the present invention.In this other embodiment, the inscape identical with said first～the 8th embodiment marks Reference numeral same as described above and omits detailed explanation.
In Fig. 9; Regenerator 1, condenser 2, evaporimeter 3, absorber 4 managed connect and be arranged to cold-producing medium circulating path and absorption liquid circulating path, and, refrigerated medium pump 9 is set and absorbs liquid pump 17; Be arranged on the driving heat source pipe 5 that said regenerator 1 inside is passed through; And be arranged on the thermal source water pipe 12 that said evaporimeter 3 inside are passed through, and then warm water tube 7 is set, this warm water tube 7 is connected through said condenser 2 inside and with load after through said absorber 4 inside.In addition, the upstream side that constitutes the evaporimeter 3 in said thermal source water pipe 12 is provided with thermal source water pump 28, and the heat source water bypass pipe 29 that the upstream side with evaporimeter 3 is connected with the downstream is set, and at this heat source water bypass pipe 29 transfer valve 30 is set midway.At this moment, the afunction of the afunction of absorber 4 or evaporimeter 3, or both functions are all lost anti-thus non-return heat radiation.
As its concrete means, for example when contrary heat radiation, stop said absorption liquid pump 17, thereby stop the dilution of absorption liquid circulating path.Thus, through making the afunction of absorber 4, can prevent non-return heat radiation.In addition, when becoming contrary heat radiation, stop the thermal source water pump 28 of said thermal source water pipe 12 and stop the supply of heat source water.Thus, through making the afunction of evaporimeter 3, can prevent non-return heat radiation.And, when contrary heat radiation, make heat source water flow to heat source water bypass pipe 29 and make the afunction of evaporimeter 3 via said transfer valve 30, thereby also can prevent non-return heat radiation.
In addition, when contrary heat radiation, stop to absorb liquid pump 17, and also stop said refrigerated medium pump 9, thus, both functions of absorber 4 and evaporimeter 3 are all lost, also can prevent non-return heat radiation.
In this embodiment,,, and their detection signal is input to control device 21, can judges contrary heat radiation thus through a plurality of temperature sensors among combination said first embodiment～the 8th embodiment though omit diagram.And signal outputs to alarm display unit 22 from control device 21, and this alarm display unit 22 shows alarm, and according to the command signal from control device 21, absorption liquid pump 17, thermal source water pump 28, transfer valve 30, refrigerated medium pump 9 suitably move.
Industrial applicibility
The present invention can effectively utilize as the contrary means that prevent of dispelling the heat of absorption heat pump.

Claims (11)

1. absorption heat pump; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump, be provided with the driving heat source pipe that passes through in said internal regenerator, and be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that
The upstream side of the evaporimeter in said thermal source water pipe is provided with the heat source water entrance side temperature sensor that is used to detect the heat source water inlet temperature; And be provided with the heat source water outlet side temperature sensor that is used to detect the heat source water outlet temperature in the downstream of evaporimeter; Be provided with the upstream side branch of the absorption liquid disperser in the concentrated absorption solution pipe and the concentrated absorption solution bypass pipe that is connected with the bottom inside of absorber; This concentrated absorption solution pipe supplies to concentrated absorption solution the absorption liquid disperser of absorber from said regenerator; Branch part at this concentrated absorption solution bypass pipe is provided with transfer valve
When said heat source water outlet temperature becomes higher than said heat source water inlet temperature, be judged to be contrary heat radiation, switch said transfer valve, and make concentrated absorption solution from said regenerator flow to said concentrated absorption solution bypass pipe side and flow to the bottom of said absorber.
2. absorption heat pump; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump, be provided with the driving heat source pipe that passes through in said internal regenerator, and be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that
The upstream side of the evaporimeter in said thermal source water pipe is provided with the heat source water entrance side temperature sensor that is used to detect the heat source water inlet temperature; And; Be provided with the heat source water outlet side temperature sensor that is used to detect the heat source water outlet temperature in the downstream of evaporimeter; Be provided with the upstream side branch of the absorber in said warm water tube and the warm water bypass pipe that is connected with the downstream of absorber, and be provided with transfer valve at the connecting portion of this warm water bypass pipe
When said heat source water outlet temperature becomes higher than said heat source water inlet temperature, be judged to be contrary heat radiation, switch said transfer valve, and make stream of warm water, thereby warm water flow away with the mode of not passing through in said absorber inside to said warm water bypass pipe side.
3. absorption heat pump; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump, be provided with the driving heat source pipe that passes through in said internal regenerator, and be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that
The upstream side of the evaporimeter in said thermal source water pipe is provided with the heat source water entrance side temperature sensor that is used to detect the heat source water inlet temperature; The upstream side of the absorber in said warm water tube is provided with the warm water entrance side temperature sensor that is used to detect the warm water inlet temperature; Be provided with the upstream side branch of the absorption liquid disperser in the concentrated absorption solution pipe and the concentrated absorption solution bypass pipe that is connected with the bottom inside of absorber; This concentrated absorption solution pipe supplies to concentrated absorption solution the absorption liquid disperser of absorber from said regenerator; Branch part at this concentrated absorption solution bypass pipe is provided with transfer valve
Comparing said warm water inlet temperature when said heat source water inlet temperature is lower than uniform temperature and is judged to be contrary heat radiation when above; Switch said transfer valve, and make concentrated absorption solution from said regenerator flow to said concentrated absorption solution bypass pipe side and flow to the bottom of said absorber.
4. absorption heat pump; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump, be provided with the driving heat source pipe that passes through in said internal regenerator, and be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that
The upstream side of the evaporimeter in said thermal source water pipe is provided with the heat source water entrance side temperature sensor that is used to detect the heat source water inlet temperature; And the upstream side of the absorber in said warm water tube is provided with the warm water entrance side temperature sensor that is used to detect the warm water inlet temperature; The warm water bypass pipe that is provided with branch between absorber and the said warm water entrance side temperature sensor in said warm water tube and is connected with the downstream of absorber; And be provided with transfer valve at the connecting portion of this warm water bypass pipe
Compare said warm water inlet temperature when said heat source water inlet temperature and be lower than uniform temperature and be judged to be contrary heat radiation when above, switch said transfer valve, and make stream of warm water, thereby warm water flows away with the mode of not passing through in said absorber inside to said warm water bypass pipe side.
5. absorption heat pump; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump, be provided with the driving heat source pipe that passes through in said internal regenerator, and be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that
Be provided with the refrigerating fluid temperature sensor and the rare absorption liquid temperature sensor that is used to detect the temperature of the rare absorption liquid that lodges in said absorber bottom of the temperature that is used to detect the refrigerating fluid that lodges in said base of evaporator; Be provided with the upstream side branch of the absorption liquid disperser in the concentrated absorption solution pipe and the concentrated absorption solution bypass pipe that is connected with the bottom inside of absorber; This concentrated absorption solution pipe supplies to concentrated absorption solution the absorption liquid disperser of absorber from said regenerator; Branch part at this concentrated absorption solution bypass pipe is provided with transfer valve
Rare absorption liquid temperature of comparing said absorber when the refrigerating fluid temperature of said evaporimeter is lower than uniform temperature and is judged to be contrary heat radiation when above; Switch said transfer valve, and make concentrated absorption solution from said regenerator flow to said concentrated absorption solution bypass pipe side and flow to the bottom of said absorber.
6. absorption heat pump; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump, be provided with the driving heat source pipe that passes through in said internal regenerator, and be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that
Be provided with the refrigerating fluid temperature sensor and the rare absorption liquid temperature sensor that is used to detect the temperature of the rare absorption liquid that lodges in said absorber bottom of the temperature that is used to detect the refrigerating fluid that lodges in said base of evaporator; Be provided with the upstream side branch of the absorber in said warm water tube and the warm water bypass pipe that is connected with the downstream of absorber; And be provided with transfer valve at the connecting portion of this warm water bypass pipe
Rare absorption liquid temperature of comparing said absorber when the refrigerating fluid temperature of said evaporimeter is lower than uniform temperature and is judged to be contrary heat radiation when above; Switch said transfer valve; And make stream of warm water to said warm water bypass pipe side, thereby warm water flows away with the mode of not passing through in said absorber inside.
7. absorption heat pump; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump, be provided with the driving heat source pipe that passes through in said internal regenerator, and be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that
Be provided with the refrigerating fluid temperature sensor and the rare absorption liquid temperature sensor that is used to detect the temperature of the rare absorption liquid that lodges in said absorber bottom of the temperature that is used to detect the refrigerating fluid that lodges in said base of evaporator; The upstream side of the evaporimeter in said thermal source water pipe is provided with the heat source water entrance side temperature sensor that is used to detect the heat source water inlet temperature; The upstream side of the absorber in said warm water tube is provided with the warm water entrance side temperature sensor that is used to detect the warm water inlet temperature; Be provided with the upstream side branch of the absorption liquid disperser in the concentrated absorption solution pipe and the concentrated absorption solution bypass pipe that is connected with the bottom inside of absorber; This concentrated absorption solution pipe supplies to concentrated absorption solution the absorption liquid disperser of absorber from said regenerator; Branch part at this concentrated absorption solution bypass pipe is provided with transfer valve
Calculate the rare absorption liquid concentration in the said absorber by the refrigerating fluid temperature of said evaporimeter and rare absorption liquid temperature of said absorber; And be parameter with this rare absorption liquid concentration; According to the relation between said heat source water inlet temperature and the said warm water inlet temperature contrary heat radiation is judged; Switch said transfer valve, and make concentrated absorption solution from said regenerator flow to said concentrated absorption solution bypass pipe side and flow to the bottom of said absorber.
8. absorption heat pump; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump, be provided with the driving heat source pipe that passes through in said internal regenerator, and be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that
Be provided with the refrigerating fluid temperature sensor and the rare absorption liquid temperature sensor that is used to detect the temperature of the rare absorption liquid that lodges in said absorber bottom of the temperature that is used to detect the refrigerating fluid that lodges in said base of evaporator; The upstream side of the evaporimeter in said thermal source water pipe is provided with the heat source water entrance side temperature sensor that is used to detect the heat source water inlet temperature; The upstream side of the absorber in said warm water tube is provided with the warm water entrance side temperature sensor that is used to detect the warm water inlet temperature; Be provided with the upstream side branch of the absorber in said warm water tube and the warm water bypass pipe that is connected with the downstream of absorber; And be provided with transfer valve at the connecting portion of this warm water bypass pipe
Calculate the rare absorption liquid concentration in the said absorber by the refrigerating fluid temperature of said evaporimeter and rare absorption liquid temperature of said absorber; And be parameter with this rare absorption liquid concentration; According to the relation between said heat source water inlet temperature and the said warm water inlet temperature contrary heat radiation is judged; Switch said transfer valve, and make stream of warm water, thereby warm water flows away with the mode of not passing through in said absorber inside to said warm water bypass pipe side.
9. absorption heat pump; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump, be provided with the driving heat source pipe that passes through in said internal regenerator, and be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that
When becoming contrary heat radiation, the said absorption liquid pump in said refrigerated medium pump and the said absorption liquid pump is stopped.
10. absorption heat pump; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump, be provided with the driving heat source pipe that passes through in said internal regenerator, and be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that
When becoming contrary heat radiation, stop through making thermal source water pump, thereby stop the supply of heat source water in the upstream side setting of the evaporimeter of said thermal source water pipe.
11. absorption heat pump; Regenerator, condenser, evaporimeter, absorber are managed connection and be arranged to cold-producing medium circulating path and absorption liquid circulating path; And be provided with refrigerated medium pump and absorb liquid pump, be provided with the driving heat source pipe that passes through in said internal regenerator, and be provided with the thermal source water pipe that passes through in said evaporimeter inside; And then be provided with warm water tube; This warm water tube is connected through said condenser inside and with load after passing through said absorber inside, and this absorption heat pump is characterised in that
Be provided with the heat source water bypass pipe that the upstream side with the evaporimeter in the said thermal source water pipe is connected with the downstream, and, this heat source water bypass pipe be provided with transfer valve midway,
When becoming contrary heat radiation, make said heat source water flow to said heat source water bypass pipe, thereby make the afunction of said evaporimeter.
CN2009101587572A 2008-09-29 2009-07-07 Absorption type heat pump Expired - Fee Related CN101713601B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP250810/08 2008-09-29
JP2008250810A JP2010078297A (en) 2008-09-29 2008-09-29 Absorption heat pump

Publications (2)

Publication Number Publication Date
CN101713601A CN101713601A (en) 2010-05-26
CN101713601B true CN101713601B (en) 2012-11-28

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CN105387540A (en) * 2015-10-13 2016-03-09 西安工程大学 Absorption heat pump-water spray chamber united cooling system for textile mill
ES2912000T3 (en) * 2019-05-21 2022-05-24 Carrier Corp Refrigeration appliance and its use
JP7123988B2 (en) * 2020-01-24 2022-08-23 矢崎エナジーシステム株式会社 Absorption chiller

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CN1332345A (en) * 2000-06-30 2002-01-23 株式会社荏原制作所 Absorption-type refrigerating and heating machine

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