CN103822402B - Cooling heating water system - Google Patents
Cooling heating water system Download PDFInfo
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- CN103822402B CN103822402B CN201410063160.0A CN201410063160A CN103822402B CN 103822402 B CN103822402 B CN 103822402B CN 201410063160 A CN201410063160 A CN 201410063160A CN 103822402 B CN103822402 B CN 103822402B
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Abstract
The invention provides a kind of refrigeration and heating hot-water supply system, comprise: for refrigeration subsystem, heating subsystem, supplying hot water subsystem, thermal source subsystem, wherein, thermal source subsystem has: separate heat pipe, solar thermal collector, auxiliary thermal source device and boiler, separate heat pipe comprises: the first heat pipe evaporation ends, is positioned at solar thermal collector inside; Second heat pipe evaporation ends, is positioned at auxiliary thermal source device inner; First condensation end of heat pipe, is positioned at the generator for refrigeration subsystem; Second condensation end of heat pipe, is positioned at boiler; Heat-insulated pipe assembly, comprises and thoroughly does away with heat pipe more, and for connecting the first heat pipe evaporation ends, the second heat pipe evaporation ends, the first condensation end of heat pipe and the second condensation end of heat pipe, the present invention significantly can improve the operational efficiency of system.
Description
Technical field
The present invention relates to a kind of refrigeration and heating hot-water supply system, particularly relate to separate heat pipe, cold-storage and Lithium Bromide-water Absorption.
Background technology
According to statistics, the average power consumption of national air-conditioning system accounts for 25% of total electricity consumption, and wherein the ground such as Shanghai, Beijing can reach 40%; China's generating is main from thermal power generation, and coal burning can produce the toxic and harmfuls such as a large amount of nitric oxides, sulfur dioxide; In addition, due to the use of freon refrigerant, depletion of the ozone layer is serious, and the health of the mankind and its biology is subject to serious threat.Global energy crisis and environmental pollution, impel the development of renewable energy utilization technology and low power consumption, environmental-protection refrigeration technology, solar absorption refrigeration system is high, pollution-free because of its coefficient of performance, is developed preferably and studies.
For existing solar absorption refrigeration system, because all adopt hot-water type, the sensible heat of water can only be utilized, relative to steam type refrigeration system, the heat exchange efficiency of its thermal source and generator is low, heat-transfer surface non-uniform temperature, heat transfer temperature difference is large, heat transfer loss is large, and efficiency is not high, and the huge heat energy contained in cooling water in addition is not also effectively recycled.
In existing patented technology, the patent No. is 01218439.X, name is called the patent of " solar pump-free type water chiller-heater unit ", disclose a kind of solar pump-free type water chiller-heater unit, integrate heating, refrigeration and living-hygienic hot water is provided the whole year, when this system is run under unstable thermal source, the amount of liquid that airlift pump promotes is unsecured, and systematic function is unstable; In addition, in this system hot water storage tank, water thermal storage density is little, and storage volume is large, and temperature is higher, and large with the temperature difference of environment, system leakage heat loss is large; And this system belongs to hot-water type, can utilize and have a narrow range of temperature, heat exchange efficiency is low.
In existing patented technology, the patent No. is 200910102262.8, name is called the patent of " a kind of solar airconditioning ", disclose a kind of solar air-conditioner system, this system is made up of heat pipe collector, refrigeration system with lithium bromide absorption, heat storage water tank, storage cold water storage cistern, circulating pump, cooling tower, air-cooled coil pipe and auxiliary fuel boiler etc.This service system stable performance, but this system belongs to hot-water type equally, and can utilize and have a narrow range of temperature, heat exchange efficiency is low, and the huge heat energy contained in cooling water is not effectively recycled.
Summary of the invention
The present invention carries out to solve the problem, and object is the cooling heating water system proposing a kind of Effec-tive Function.
The present invention to achieve these goals, have employed following structure.
The invention provides a kind of cooling heating water system, comprise: for refrigeration subsystem, heating subsystem, supplying hot water subsystem, and for providing the thermal source subsystem of heat energy for refrigeration subsystem, heating subsystem and supplying hot water subsystem, it is characterized in that: wherein, thermal source subsystem has: separate heat pipe, solar thermal collector, auxiliary thermal source device and boiler, separate heat pipe comprises: the first heat pipe evaporation ends, be positioned at solar thermal collector inside, by solar energy, the first liquid medium of inside be evaporated to the first gaseous medium; Second heat pipe evaporation ends, is positioned at auxiliary thermal source device inner, by auxiliary thermal source, the second liquid medium of inside is evaporated to the second gaseous medium; First condensation end of heat pipe, is positioned at the generator for refrigeration subsystem, for the cold-producing medium weak solution in heating generator; Second condensation end of heat pipe, is positioned at boiler, for the heat-exchanging water that heat hot water tank content is received; Heat-insulated pipe assembly, comprises and thoroughly does away with heat pipe more, for connecting the first heat pipe evaporation ends, the second heat pipe evaporation ends, the first condensation end of heat pipe and the second condensation end of heat pipe.
In cooling heating water system provided by the invention, such feature can also be had: wherein, for refrigeration subsystem, there is refrigeration machine portion, cooling water circulation portion and chilled water circulation portions, refrigeration machine portion comprises the generator, pumping installations, condenser, throttling arrangement, evaporimeter and the absorber that connect in turn, the solution heat exchanger be connected with absorber, pumping installations and generator respectively; Cooling water circulation portion comprises the radiator, absorber, condenser, water pump one and the boiler that connect successively; Chilled water circulation portions comprises the evaporimeter, water pump two and the fan coil that connect successively.
In cooling heating water system provided by the invention, can also have such feature: wherein, heating subsystem has the boiler, water pump two and the fan coil that connect successively.
In cooling heating water system provided by the invention, such feature can also be had: wherein, the hot water pipeline that supplying hot water subsystem has the normal-temperature water pipeline be connected with boiler, the auxiliary thermal source device be connected with boiler and is connected with auxiliary thermal source device.
In cooling heating water system provided by the invention, such feature can also be had: wherein, thermal source subsystem also has the gas collecting apparatus that inside is filled with a certain amount of incoagulable gas, and gas collecting apparatus and the first condensation end of heat pipe are connected, for regulating the pressure of thermal source subsystem.
In cooling heating water system provided by the invention, such feature can also be had: wherein, also comprise for refrigeration subsystem: the cold-storage device be connected with evaporimeter, for storing for cold too much in refrigeration subsystem.
In cooling heating water system provided by the invention, can also have such feature: wherein, cold-storage device is the phase change material cool storage device utilizing the phase transformation of material to carry out cold-storage.
In cooling heating water system provided by the invention, can also have such feature: wherein, pumping installations comprises: the airlift pump be connected with generator and the gas-liquid separator be connected with airlift pump.
In cooling heating water system provided by the invention, can also have such feature: wherein, radiator is utilize fan belt to move fan-cooled radiator that surrounding air carries out forced-convection heat transfer.
Effect and effect
According to cooling heating water system of the present invention, because employing separate heat pipe, and the first heat pipe evaporation ends of separate heat pipe is arranged in solar thermal collector, second heat pipe evaporation ends of separate heat pipe is arranged in auxiliary thermal source device, first condensation end of heat pipe of separate heat pipe is arranged in generator, second condensation end of heat pipe of separate heat pipe is arranged in boiler, the phase transition process of heat transfer medium is utilized to carry out heat exchange, and latent heat of phase change is large, heat-transfer surface homogeneous temperature, heat transfer coefficient is high, so operational efficiency of the present invention is high, and efficient energy-saving more.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of refrigeration and heating hot-water supply system in the embodiment of the present invention;
Fig. 2 is the structural representation of thermal source subsystem in the embodiment of the present invention;
Fig. 3 is the structural representation for refrigeration subsystem in the embodiment of the present invention;
Fig. 4 is the structural representation of subsystem of heating in the embodiment of the present invention;
Fig. 5 is the structural representation of supplying hot water subsystem in the embodiment of the present invention; And
Fig. 6 is the structural representation of thermal-collecting tube in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the refrigeration and heating hot-water supply system that the present invention relates to is described in detail.
< embodiment >
Fig. 1 is the overall structure schematic diagram of solar energy cooling heating domestic hot-water supply system in the invention process case.
As shown in Figure 1, cooling heating water system 100 is for being indoor cooling, indoor heating and supply domestic hot-water, and it comprises: thermal source subsystem 10, confession refrigeration subsystem 20, heating subsystem 30 and supplying hot water subsystem 40.
Thermal source subsystem 10 is for providing heat energy for refrigeration subsystem 20, heating subsystem 30 and supplying hot water subsystem 40.
Fig. 2 is the structural representation of thermal source subsystem in the embodiment of the present invention.
As shown in Figure 2, thermal source subsystem 10 comprises: solar thermal collector 11, gas-firing obtain the auxiliary thermal source device 12 of heat energy, boiler 14, for regulating the gas collecting apparatus 17 of temperature, pressure to thermal source subsystem, for providing water pump 19 and the separate heat pipe of power to thermal source subsystem 10 circulation.
Separate heat pipe comprises: the first heat pipe evaporation ends, is positioned at the inner (not shown) of solar thermal collector 11; Second heat pipe evaporation ends 121, is positioned at auxiliary thermal source device 12 inner; First condensation end of heat pipe 131, the generator 13 be positioned at for refrigeration subsystem 20 is inner; Second condensation end of heat pipe 141, is positioned at boiler 14; And heat-insulated pipe assembly.
Heat-insulated pipe assembly comprises: triple valve 15, triple valve 16, triple valve 18 and the heat-insulated pipe for connection function.
Triple valve 15 first port 15a is connected with the outlet of the first heat pipe evaporation ends, and the second port one 5b is connected with the outlet of the second heat pipe evaporation ends 121.
Triple valve 16 first port 16a is connected with the 3rd port one 5c of triple valve 15, and the 3rd port one 6c is connected with the import of the first condensation end of heat pipe 131, and the second port one 6b is connected with the import of the second condensation end of heat pipe 141.
Gas collecting apparatus 17 is communicated with the top of the first condensation end of heat pipe 131 away from steam inlet place.
Triple valve 18 the 3rd port one 8c is connected with the outlet of the second condensation end of heat pipe 141 with the outlet of the first condensation end of heat pipe 131 simultaneously, and the second port one 8b is connected with the import of the second heat pipe evaporation ends 121.
The import of water pump 19 is connected with the first port 18a of triple valve 18, exports and is connected with the import of the first heat pipe evaporation ends.
Aqueous water in first heat pipe evaporation ends 131 of separate heat pipe is water vapour by solar thermal collector 11 heating evaporation, aqueous water in second heat pipe evaporation ends 121 is water vapour by auxiliary thermal source device 12 heating evaporation, steam enters the first condensation end of heat pipe 131 or the second condensation end of heat pipe 141 condensation heat supply by heat-insulated pipe assembly, the phase transition process of steam is utilized to carry out heat exchange, and latent heat of phase change is large, heat-transfer surface homogeneous temperature, heat transfer coefficient is high, pump capacity is little compared with supplying hot water simultaneously, save pump merit, so operational efficiency of the present invention is high, efficient energy-saving more.
Fig. 3 is the structural representation for refrigeration subsystem in the embodiment of the present invention.
As shown in Figure 3, comprise for refrigeration subsystem: lithium-bromide absorption-type refrigerating machine portion, cooling water circulation portion and chilled water circulation portions.
Lithium-bromide absorption-type refrigerating machine portion comprises: generator 13, airlift pump 51, gas-liquid separator 52, condenser 53, throttling arrangement 54, evaporimeter 55, absorber 56, solution heat exchanger 57 for bromize lithium concentrated solution and water as refrigerant steam being carried out being separated.
The import of airlift pump 51 is connected with the outlet 13b of generator 13.
The import of gas-liquid separator 52 is connected with the outlet of airlift pump 51.
The refrigerant vapour import of condenser 53 exports with the refrigerant vapour of gas-liquid separator 52 and is connected.
The import of throttling arrangement 54 exports with the water as refrigerant of condenser 53 and is connected.
Being connected with the outlet of throttling arrangement 54 of evaporimeter 55.
The cryogen import of absorber 56 exports with the cryogen of evaporimeter 55 and is connected.
The bromize lithium dilute solution import of solution heat exchanger 57, bromize lithium dilute solution outlet, bromize lithium concentrated solution import and bromize lithium concentrated solution outlet exports with the bromize lithium dilute solution of absorber 56 respectively, the bromize lithium dilute solution import 13a of generator 13, the concentrated solution of gas-liquid separator 53 export and the concentrated solution import of absorber 56 is connected.
Airlift pump 51 adopts above-mentioned connected mode, solution relies on the density contrast of solution and gravitational difference to provide power in flow process, compared with providing the refrigeration system with lithium bromide absorption of power with traditional dependence solution pump, the energy-saving benefit of lithium bromide absorbing type refrigeration subsystem 50 is good, operation is more quiet.
Chilled water circulation portions comprises: evaporimeter 55, water pump 59, fan coil 63; Wherein, chilled water circulation portions also comprises cold-storage device 61, when carrying out cold-storage, chilled water along flow direction successively through evaporator 55, water pump 59, cold-storage device 61; When carrying out cooling with cold-storage device 61, chilled water along flow direction successively through cold-storage device 61, fan coil 63, water pump 59.Wherein, the phase change material cool storage device of cold-storage device 61 for utilizing the phase transformation of material to carry out cold-storage.
3rd port 58c of triple valve 58 exports with the chilled water of evaporimeter 55 and is connected.
The import of water pump 59 and the second port 58b of triple valve 58 be connected.
3rd port 60c of triple valve 60 is connected with the outlet of water pump 59.
The import of cold-storage device 61 and triple valve 60 second port 60b be connected.
First port 62a of cross valve 62 and the first port 60a of triple valve 60 be connected, the 4th port 62d that is connected is connected with the outlet of cold-storage device 61.
The import of fan coil 63 and the second port 62b of cross valve 62 be connected.
3rd port 64c of triple valve 64 is connected with the outlet of fan coil 63.
First port 65a of triple valve 65 and the second port 64b of triple valve 64 be connected, the 3rd port 65c is connected with the 3rd port 62c of cross valve 62, and the second port 65b is connected with the entering chilled water of evaporimeter 55.
Cooling water circulation portion comprises: be followed successively by along flow of cooling water direction: radiator 66, absorber 56, condenser 53, water pump 67, water tank 14 and between pipeline, wherein, cooling water flow can carry out preheating to the initial normal-temperature water of the domestic water flowing through water tank simultaneously when water tank 14; Radiator 66 is utilize fan belt to move fan-cooled radiator that surrounding air carries out forced-convection heat transfer.
Fig. 4 is the structural representation of subsystem of heating in the embodiment of the present invention.
As shown in Figure 4, heating subsystem 30, along hot water flow direction successively process, boiler 14, water pump 59, fan coil 63.
The heating water outlet 14c of boiler 14 is connected with the first port 58a of triple valve 58.
The heating water import 14d of boiler 14 is connected with the first port 64a of triple valve 64.
Heating subsystem 30 shares triple valve 58, water pump 59, triple valve 62, fan coil 63 and triple valve 64 with for refrigeration subsystem 20, and connected mode is identical.
Hot water in boiler 14 enters fan coil 63 as heating water under the effect of water pump 59, and this heating water carries out heat exchange with room air thus reaches the effect of indoor heating in fan coil 63.
Fig. 5 is the structural representation of supplying hot water subsystem in the embodiment of the present invention.
As shown in Figure 5, domestic hot-water supply subsystem 40 comprises: the first heat exchanger tube 142, second heat exchanger tube 122, for pipeline 42 after inputting normal-temperature water pipeline 41, preheating and for carrying the hot water pipeline 43 of domestic hot-water.
First heat exchanger tube 142 is positioned at boiler 14, and the second heat exchanger tube 122 is positioned at auxiliary thermal source device 12.
Normal-temperature water pipeline 41 is connected with the import of the first heat exchanger tube 142.
After preheating, pipeline 42 connects the outlet of the first heat exchanger tube 142 and the import of the second heat exchanger tube 122.
Domestic hot-water's pipeline 43 connects the outlet of the second heat exchanger tube 122.
Normal-temperature water is inputted the first heat exchanger tube 142 by the hot water in boiler 14 or cooling water preheating by normal-temperature water pipeline 41, enter the second heat exchanger tube 122 afterwards, as required by auxiliary thermal source device 12 further heat regulation to required temperature or do not heat, transferred out by pipeline 43.
Below in conjunction with Fig. 1 to Fig. 5, the various operation principles of solar energy cooling heating domestic hot-water supply system 100 in the present embodiment are further described.
Freezing season, close the first port 64a of the second port one 6b of triple valve 16, the first port 58a of triple valve 58 and triple valve 64, open the 3rd port one 6c mouth of triple valve 16 and the first port 16a, the second port 58b of triple valve 58 and the 3rd port 58c, the first port 60a of triple valve 60 and the 3rd port 60c.
When solar energy is sufficient, close the second port one 5b of triple valve 15, the second port one 8b of triple valve 18, open the first port 15a of triple valve 15 and the 3rd port one 5c, the first port 18a of triple valve 18 and the 3rd port one 8c.
In first heat pipe evaporation ends of separate heat pipe, water is added thermogenetic water vapour by hot pipe type solar heat collector 11 and enters the first condensation end of heat pipe 131 through triple valve 15, triple valve 16 successively, fraction water vapour enters gas collecting apparatus 17, aqueous water is condensed in the water vapour phase transformation of the first condensation end of heat pipe 131, its heat passes to bromize lithium dilute solution in generator 13, water vapor condensate enters the first heat pipe evaporation ends through triple valve 18, water pump 19 successively, completes circulation.
When solar energy is sufficient and mistake is strong, the amount being entered gas collecting apparatus 17 by the water vapour of the first condensation end of heat pipe 131 increases, and the pressure increase of thermal source subsystem 10 is less, and system temperature change is less; When solar energy is slightly weak, the amount being entered gas collecting apparatus 17 by the water vapour of the first condensation end of heat pipe 131 reduces, and the pressure of heat source system reduces less, and system temperature change is less.
When solar energy is not enough and when needing refrigeration, close the first port 15a of triple valve 15, first port 18a of triple valve 18, open the second port one 5b of triple valve 15, second port one 8b of triple valve 18, open auxiliary thermal source device 12, heat the second heat pipe evaporation ends 121, in it, aqueous water inhales thermogenetic water vapour successively through triple valve 15, triple valve 16 enters the first condensation end of heat pipe 131, water vapour phase transformation condensation in it, transfer heat to bromize lithium dilute solution in generator 13, water vapor condensate relies on bottom gravity reflux to the second heat pipe evaporation ends 121, reheat into water vapour, complete circulation.
When opening auxiliary thermal source device 12, regulate its intensity, make do not enter gas collecting apparatus 17 at the water vapour of the first condensation end of heat pipe 131 but be full of the first condensation end of heat pipe 131 top.
Freezing season, when lithium bromide absorbing type refrigeration subsystem 50 runs, the cooling water that absorber 56 and condenser 53 series connection are flowed out is introduced into boiler 14 through water pump, then flows through wind radiator 21, finally enters absorber 56 and completes circulation.
Freezing season, when needs cooling and solar energy sufficient or need cooling but solar energy is not enough and cold-storage device 61 does not have enough colds and opens auxiliary thermal source device 12 time, close the second port 60b of triple valve 60, 3rd port 65c of triple valve 65, open the second port 64b and the 3rd port 64c of triple valve 64, first port 65a of triple valve 65 and the second port 65b, chilled water in evaporimeter 55 is successively by triple valve 58, water pump 59, triple valve 60, cross valve 62, fan coil 63, triple valve 64, triple valve 65, finally be back to evaporimeter 55, complete for SAPMAC method, chilled water is at fan coil 63 released cold quantity,
When needs cooling but the not enough and cold-storage device 61 of solar energy has enough colds time, close the 3rd port 65c of triple valve 60 first port 60a, triple valve 65, open the second port 60b of triple valve 60, cold in cold-storage device 61 passes to chilled water, and chilled water is successively by cross valve 62, fan coil 63, triple valve 64, triple valve 65, evaporimeter 55, triple valve 58, water pump 59, triple valve 60 and cold-storage device 61.
When not needing cooling but solar energy is sufficient, running refrigerating system, chilled water in evaporimeter 55 is successively by triple valve 58, water pump 59, triple valve 60, cold-storage device 61, cross valve 62, triple valve 65, finally be back to evaporimeter 55, complete charge cycle, cold is stored in cold-storage device 61.
Freezing season, as needs domestic hot-water and lithium bromide absorbing type refrigeration subsystem 50 runs time, normal-temperature water in normal-temperature water pipeline 41 is introduced into the first heat exchanger tube 142 by the High-temperature cooling water preheat in boiler 14, then is adjusted to temperature required through auxiliary thermal source device 12, is discharged by pipeline 43.
As needs domestic hot-water but lithium bromide absorbing type refrigeration subsystem 50 does not run time, normal-temperature water in normal-temperature water pipeline 41 is introduced into the first heat exchanger tube 142, if during the heat energy that the cooling water stored in boiler 14 has remnants higher, preheating normal-temperature water, then be adjusted to temperature required through auxiliary thermal source device 12; If the heat energy of remnants of the cooling water stored in boiler 14 is less or when not having, then normal-temperature water not preheating in boiler 14, directly by auxiliary thermal source device 12 heat regulation to temperature required.
At heating season, close the 3rd port one 6c, the 3rd port 58c of triple valve 58 of triple valve 16, the second port 60b of triple valve 60, the 3rd port 65c of triple valve 65, the second port 64b mouth of triple valve 64, open the second port one 6b of triple valve 16, the 3rd port one 5c, the 3rd port one 8c of triple valve 18 of triple valve 15, the first port 58a of triple valve 58 and the second port 58b, the first port 60a of triple valve 60 and the 3rd port 60c, the first port 64a of triple valve 64 and the 3rd port 64c.
When solar energy is sufficient, close the second port one 5b of triple valve 15, second port one 8b of triple valve 18, open the first port 15a of triple valve 15, triple valve 18 first port 18a, aqueous water in multi-heat source separate heat pipe first heat pipe evaporation ends is added thermogenetic water vapour successively through triple valve 15 by solar thermal collector 11, triple valve 16 enters the second condensation end of heat pipe 141, the aqueous water that water vapour phase transformation condensation is formed by the bottom of the second condensation end of heat pipe 141 successively through triple valve 18, water pump 19 enters the first heat pipe evaporation ends and completes circulation, pass in boiler 14 in the water vapour phase transformation condensation heat of the second condensation end of heat pipe 141.
When and hot water temperature in boiler 14 not enough when solar energy is lower than heating demand, close the first port 15a of triple valve 15, the first port 18a of triple valve 18, open the second port one 5b of triple valve, the second port one 8b of triple valve 18, open auxiliary thermal source device 12, liquid water in second heat pipe evaporation ends 121 is inhaled liquid condensed water that thermogenetic water vapour enters the second condensation end of heat pipe 141, second condensation end of heat pipe 141 through triple valve 15, triple valve 16 successively and is relied on gravity reflux to reheat into water vapour to the second heat pipe evaporation ends 121 to complete circulation; The water vapour phase transformation condensation heat of the second condensation end of heat pipe 141 passes to boiler 14; When the hot water temperature in boiler 14 reaches heating temperature, hot water is successively through triple valve F4, water pump P 3, triple valve F5, cross valve F8, fan coil 15, triple valve F7, finally be back to boiler 16 and complete heating cycle, heat enters Heating Room at fan coil 15.
At heating season, when needing domestic hot-water, normal-temperature water in pipeline 41 is introduced into the first heat exchanger tube 142 by the hot water preheating in boiler 14, enter the second heat exchanger tube 122 again, supplying hot water subsystem 40 as required hot water temperature's situation determines whether open auxiliary heat supplying energy device 12, is finally drawn by hot water pipeline 43.
At transition season, lithium bromide absorbing type refrigeration subsystem 50 does not run, and heating subsystem 30 does not also run, as long as solar energy abundance just carries out thermal-arrest.When hot water is needed, if the water flowed out from the first heat exchanger tube 142 has reached demand temperature, then by not opening auxiliary thermal source device 12, if do not reach demand temperature, then open auxiliary thermal source device 12 heat regulation to temperature required, finally drawn by domestic hot-water's pipeline 43.
Fig. 6 is the heat pipe type heat collector i.e. internal structure schematic diagram of the single pipe of the first heat pipe evaporation ends.
As shown in Figure 6, the first heat pipe evaporation ends 111 comprises: outer layer glass tube 1, the inner layer glass tube 2 in outer layer glass tube 1, the copper pipe 4 in inner layer glass tube 2, be clipped in absorber plate 3 between inner layer glass tube 2 and copper coin 4, aqueous water import 6 and steam outlet 7.
There is aqueous water the inside of the first heat pipe evaporation ends 111, and as shown in Figure 6, aqueous water liquid level 5 is lower than steam outlet 7.
The effect of embodiment and effect:
In the present embodiment, general vacuum tube solar heating element and multi-heat source separate heat pipe carry out special Coupling, change general solar heat water type refrigeration system into steam type refrigeration system, because steam phase transforming latent heat is large, heat-transfer surface homogeneous temperature, heat transfer coefficient is high, more efficient energy-saving, reduces the volume of heat exchanger.
In addition, adopt absorption refrigerator by lithium bromide, without solution pump, the probability that fault occurs can be reduced, and effectively can reduce noise, reduced volume, minimizing power consumption, cost-saving, little cold field can be applicable to.
In addition, the latent heat of phase change that steam carries is large, and condensation liquefaction discharge is little, and the circulating power of water pump greatly reduces.When unlatching auxiliary thermal source, condensed water liquefaction water relies on gravity reflux to auxiliary thermal source, does not need heat-exchanger pump, saves pump merit.
In addition, condensation end in systematic generator connects the air chamber being filled with incoagulable gas, makes heat pipe become controlled heat pipe, has good thermostatic characteristics, and when solving solar energy Strength Changes, airlift pump is to the requirement of heat source temperature stability.
In addition, during refrigeration, cooling water has higher heat energy, and the cooling water circulation mode of absorber and condenser adopts series connection, cooling water is directly filled with boiler and carrys out preheating domestic hot-water, both took full advantage of energy, and turn reduced the load of air-cooled radiator, thus minimizing cost, reduce the waste of energy.
In addition, cold-storage device energy storage density is large, and volume is little, with having a narrow range of temperature of environment, energy loss is little, compared to hot water storage tank, its water thermal storage density is little, and storage volume is large, large with the temperature difference of environment, energy loss is large, therefore system adopts cold-storage and do not adopt conventional regenerative apparatus, and cool storage medium can adopt phase-change material or cold-storage hydrate.
Claims (9)
1. a cooling heating water system, comprising: for refrigeration subsystem, heating subsystem, supplying hot water subsystem, and is the described thermal source subsystem providing heat energy for refrigeration subsystem, described heating subsystem and described supplying hot water subsystem, it is characterized in that:
Wherein, described thermal source subsystem has: separate heat pipe, solar thermal collector, auxiliary thermal source device and boiler,
Described separate heat pipe comprises:
First heat pipe evaporation ends, is positioned at described solar thermal collector inner, by solar energy, the first liquid medium of inside is evaporated to the first gaseous medium;
Second heat pipe evaporation ends, is positioned at described auxiliary thermal source device inner, by auxiliary thermal source, the second liquid medium of inside is evaporated to the second gaseous medium;
First condensation end of heat pipe, is positioned at the described generator for thermal sub-system, for heating the cold-producing medium weak solution in described generator;
Second condensation end of heat pipe, is positioned at described boiler, for heating the heat-exchanging water held in described boiler;
Heat-insulated pipe assembly, comprises and thoroughly does away with heat pipe more, for connecting described first heat pipe evaporation ends, described second heat pipe evaporation ends, described first condensation end of heat pipe and described second condensation end of heat pipe.
2. cooling heating water system according to claim 1, is characterized in that:
Wherein, described have refrigeration machine portion, cooling water circulation portion and chilled water circulation portions for refrigeration subsystem,
Described refrigeration machine portion comprises the described generator, pumping installations, condenser, throttling arrangement, evaporimeter and the absorber that connect in turn, the solution heat exchanger be connected with described absorber, described pumping installations and described generator respectively;
Described cooling water circulation portion comprises the radiator connected successively, described absorber, described condenser, water pump one and described boiler;
Described chilled water circulation portions comprises the described evaporimeter, water pump two and the fan coil that connect successively.
3. cooling heating water system according to claim 2, is characterized in that:
Wherein, described heating subsystem has the described boiler, described water pump two and the described fan coil that connect successively.
4. cooling heating water system according to claim 1, is characterized in that:
Wherein, the described supplying hot water subsystem hot water pipeline that there is the normal-temperature water pipeline be connected with described boiler, the described auxiliary thermal source device be connected with described boiler and be connected with described auxiliary thermal source device.
5. cooling heating water system according to claim 1, is characterized in that:
Wherein, described thermal source subsystem also has the gas collecting apparatus that inside is filled with a certain amount of incoagulable gas, and described gas collecting apparatus and described first condensation end of heat pipe are connected, for regulating the pressure of described thermal source subsystem.
6. cooling heating water system according to claim 2, is characterized in that:
Wherein, described also have for refrigeration subsystem the cold-storage device be connected with described evaporimeter, described for cold too much in refrigeration subsystem for storing.
7. cooling heating water system according to claim 6, is characterized in that:
Wherein, described cold-storage device is the phase change material cool storage device utilizing the phase transformation of material to carry out cold-storage.
8. cooling heating water system according to claim 2, is characterized in that:
Wherein, described pumping installations comprises: the airlift pump be connected with described generator and the gas-liquid separator be connected with described airlift pump.
9. cooling heating water system according to claim 2, is characterized in that:
Wherein, described radiator is utilize fan belt to move fan-cooled radiator that surrounding air carries out forced-convection heat transfer.
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| CN105135741A (en) * | 2015-08-27 | 2015-12-09 | 海宁微动光能科技有限公司 | Modularized pump-free solar absorption type refrigerating machine |
| CN112432384A (en) * | 2020-11-27 | 2021-03-02 | 北京石油化工学院 | Energy-saving system based on power type heat pipe and absorption type solar refrigeration |
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| CN101738001A (en) * | 2009-12-18 | 2010-06-16 | 同济大学 | Composite energy system of solar energy, ground source heat pump and chilled water storage |
| CN101806514A (en) * | 2010-03-10 | 2010-08-18 | 中国科学技术大学 | Composite solar photovoltaic hot-water cold supply and heating system for building |
| CN201903221U (en) * | 2010-12-29 | 2011-07-20 | 陈安祥 | Solar energy, heat pump and capillary network composite hot water heating and refrigerating device |
| KR101169706B1 (en) * | 2012-03-14 | 2012-07-30 | 주식회사 신우종합에너지 | Heat pump system for heating water |
-
2014
- 2014-02-25 CN CN201410063160.0A patent/CN103822402B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101738001A (en) * | 2009-12-18 | 2010-06-16 | 同济大学 | Composite energy system of solar energy, ground source heat pump and chilled water storage |
| CN101806514A (en) * | 2010-03-10 | 2010-08-18 | 中国科学技术大学 | Composite solar photovoltaic hot-water cold supply and heating system for building |
| CN201903221U (en) * | 2010-12-29 | 2011-07-20 | 陈安祥 | Solar energy, heat pump and capillary network composite hot water heating and refrigerating device |
| KR101169706B1 (en) * | 2012-03-14 | 2012-07-30 | 주식회사 신우종합에너지 | Heat pump system for heating water |
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