CN103712371A - Refrigerating and heating system - Google Patents
Refrigerating and heating system Download PDFInfo
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- CN103712371A CN103712371A CN201310719640.3A CN201310719640A CN103712371A CN 103712371 A CN103712371 A CN 103712371A CN 201310719640 A CN201310719640 A CN 201310719640A CN 103712371 A CN103712371 A CN 103712371A
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Abstract
The invention provides a refrigerating and heating system. The refrigerating and heating system is characterized in that the refrigerating and heating system comprises a biogas refrigerating and heating subsystem, a solar energy refrigerating and heating subsystem and an electric energy refrigerating and heating subsystem. The biogas refrigerating and heating subsystem comprises a biogas supplying device, a high pressure generation device, a low pressure generation device, a first condensing device, a first throttling device, an evaporation device, an absorption device and a hot water storage device. The solar energy refrigerating and heating subsystem comprises a low pressure generation device, a first condensing device, a first throttling device, an evaporation device, an absorption device, a hot water storage device and a solar heat collection device. The electric energy refrigerating and heating system comprises a compression device, a second condensing device, a second throttling device and an evaporation device. The three refrigerating and heating subsystems are ingeniously combined together through the low pressure generation devices and the evaporation devices. The refrigerating and heating system can effectively solve the problem that utilization of a single energy source is limited by objective conditions, the total energy source efficiency is improved, the operation efficiency is improved and material consumption is lowered.
Description
Technical field
The present invention relates to a kind of refrigerating and heating systems, relate in particular to a kind of biogas direct combustion double effect absorption refrigerating and heating systems, a kind of solar energy single-effective absorption refrigerating and heating systems and a kind of compression-type refrigeration heating.
Background technology
Along with becoming increasingly conspicuous of energy problem, the exploitation of the regenerative resources such as solar energy are just seemed to particularly important, in northern China city suburbs and vast rural area have a lot of agriculturals and livestock-raising district, be applicable to very much the Application and Development of biogas, biogas is a kind of important biomass energy, is also a kind of regenerative resource, is to utilize living beings to produce the effective way of clean energy resource, and at these regional solar energy resourceses, also enrich very much accordingly therewith, be applicable to the exploitation of solar energy.Yet solar energy and biogas output are all subject to the restriction of the objective condition such as weather environment, can not stablize supply, limited the utilization of its single energy and promoted.
Electric energy drive compression formula cooling and warming technology can meet the advantages such as cooling and warming demand, steady and continuous operation, but electric energy belongs to high-grade energy, and its total energy efficiency is low, does not have energy-saving and emission-reduction advantage.
Make full use of if clean energy resource, guarantee again system stability reliability service, design separately respectively several cover systems, can cause cost too high, in reality, cannot apply.
Summary of the invention
The present invention carries out in order to address the above problem, and the present invention to achieve these goals, has adopted following structure.
< structure one >
The invention provides a kind of refrigerating and heating systems, there is such feature, comprise: biogas cooling and warming subsystem, Solar Energy cooling and heating subsystem and electric energy cooling and warming subsystem, wherein, biogas cooling and warming subsystem comprises: biogas feeding mechanism, high-voltage generator, low pressure generating means, the first condensing unit, first throttle device, vaporising device, absorption plant and hot water storage device, Solar Energy cooling and heating subsystem comprises: low pressure generating means, the first condensing unit, first throttle device, vaporising device, absorption plant, hot water storage device and solar energy heat collector, electric energy cooling and warming subsystem comprises: compression set, the second condensing unit, the second throttling arrangement and vaporising device, biogas cooling and warming subsystem, Solar Energy cooling and heating subsystem and electric energy cooling and warming subsystem share vaporising device, biogas cooling and warming subsystem and Solar Energy cooling and heating subsystem share low pressure generating means, the first condensing unit, first throttle device, vaporising device, absorption plant and hot water storage device, high-voltage generator utilizes the biogas combustion heat dilute solution from biogas feeding mechanism to generate high pressure refrigerant vapor, low pressure generating means makes from the recirculated water in solar energy heat collector or hot water storage device, weak solution in high pressure refrigerant vapor in high-voltage generator and low pressure generating means is carried out heat exchange, hot water storage device stores the water of the water from low pressure vaporising device or solar energy heat collector, solar energy heat collector utilizes solar energy to heat the water from hot water storage device, the first condensing unit carries out condensation to the cold-producing medium from low pressure generating means, first throttle device is to carrying out throttling cooling from the first condensing unit cold-producing medium, vaporising device evaporates the cold-producing medium from first throttle device, absorption plant utilization obtains weak solution from the concentrated solution of high-voltage generator and the concentrated solution of low pressure generating means to coming the cold-producing medium of self-evaporating unit to absorb, simultaneously for high-voltage generator and low pressure generating means provide weak solution, vaporising device also evaporates the cold-producing medium from the second throttling arrangement, compression set obtains high pressure refrigerant vapor to coming the refrigerant vapour of self-evaporating unit to compress, the second condensing unit carries out condensation to the cold-producing medium from compression set, the second throttling arrangement carries out throttling cooling to the condensing agent from the second condensing unit.
In refrigerating and heating systems provided by the invention, can also there is such feature: biogas cooling and warming subsystem also comprises: for controlling open and close first gauge tap of biogas cooling and warming subsystem, Solar Energy cooling and heating subsystem also comprises: for controlling the second gauge tap of the open and close of Solar Energy cooling and heating subsystem, electric energy cooling and warming subsystem also comprises: for controlling the 3rd gauge tap of the open and close of electric energy cooling and warming subsystem.
In refrigerating and heating systems provided by the invention, can also there is such feature: refrigerating and heating systems also comprises: cooling water circulation subsystem, cooling water circulation subsystem comprises: cooling device and cooling water replenishment pipeline, the outlet of cooling device is connected with the cooling water inlet of absorption plant, the coolant outlet of absorption plant is connected with the cooling water inlet of the first condensing unit, the coolant outlet of the first condensing unit is connected with the cooling water inlet of the second condensing unit, the coolant outlet of the second condensing unit is connected with the import of cooling device, the cooling water inlet of absorption plant is also connected with cooling water replenishment pipeline.
In refrigerating and heating systems provided by the invention, can also there is such feature: the first refrigerating plant also comprises: connect the connecting pipe of the water out of low pressure generating means and the water inlet of high-voltage generator, connect the connecting pipe of the water out of high-voltage generator and the circulating water intake of hot water storage device.
In refrigerating and heating systems provided by the invention, can also there is such feature: low pressure generating means is tubular heat exchange device, in tubular heat exchange device, be provided with heat exchanger tube, in the middle of heat exchanger tube, with heat exchanger fin, separate.
In refrigerating and heating systems provided by the invention, can also there is such feature: wherein, vaporising device is bushing type vaporising device, and bushing type vaporising device consists of inner and outer tubes.
Effect and the effect of invention
According to refrigerating and heating systems of the present invention, because adopted the structure that biogas cooling and warming subsystem, Solar Energy cooling and heating subsystem and electric energy cooling and warming subsystem are combined cleverly by low pressure generating means and vaporising device, so the present invention not only can effectively solve the utilization of the single energy in solar energy and methane energy and be subject to objective condition restriction and cause the problem of fluctuation of service can also reduce the use to high-grade electric energy, improves total energy efficiency.
And, according to refrigerating and heating systems of the present invention, because adopted, the water out of low pressure generating means is connected with the water inlet of high-voltage generator, the structure that the water out of high-voltage generator is connected with the circulating water intake of hot water storage device, so when only needing supplying hot water, can reduce heat exchange number of times, improve the thermal efficiency.
And, according to refrigerating and heating systems of the present invention, because adopted, absorption plant, the first condensing unit, the second condensing unit and cooling device are connected with a cooling water pipe, share the structure of cooling water circulation subsystem, so can not only improve operational efficiency, can also make compact conformation, reduce consumptive material.
Therefore, the present invention can propose a kind ofly knockdownly not only can effectively solve the utilization restriction problem of the cold heating of unitary system but also have the refrigerating and heating systems of energy-saving and emission-reduction meaning.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of refrigerating and heating systems in the embodiment of the present invention;
Fig. 2 is the structural representation of biogas cooling and warming subsystem in the embodiment of the present invention;
Fig. 3 is the structural representation of Solar Energy cooling and heating subsystem in the embodiment of the present invention;
Fig. 4 is the structural representation of electric energy cooling and warming subsystem in the embodiment of the present invention;
Fig. 5 is the Water flow-path schematic diagram of cooling water circulation subsystem in the embodiment of the present invention; And
Fig. 6 is the structural representation of embodiment of the present invention mesolow generator.
The specific embodiment
Below in conjunction with drawings and Examples, the electricity generation system the present invention relates to is described in detail.
< embodiment >
Fig. 1 is the overall structure schematic diagram of refrigerating and heating systems in the embodiment of the present invention.
As shown in Figure 1, refrigerating and heating systems 500 comprises: biogas cooling and warming subsystem 100, Solar Energy cooling and heating subsystem 200, electric energy cooling and warming subsystem 300 and cooling water circulation subsystem 400.
Biogas cooling and warming subsystem 100 comprises: methane-generating pit 101, air accumulator 102, high pressure generator 103, low pressure generator 104, the first condenser 105, first throttle valve 106, evaporimeter 107, absorber 108, solution circulation pump 109, hot water circulating pump 110, boiler 111, domestic hot-water supply pipeline 112 and chilled water pipeline 113.
Solar Energy cooling and heating subsystem 200 comprises: solar thermal collector 201, pipeline 202, low pressure generator 104, the first condenser 105, first throttle valve 106, evaporimeter 107, absorber 108, solution circulation pump 109, hot water circulating pump 110, boiler 111, domestic hot-water supply pipeline 112 and chilled water pipeline 113.
Electric energy cooling and warming subsystem 300 comprises: compressor 301, the second condenser 302, fluid reservoir 303, the second choke valve 304, cold water moisturizing pipeline 305, evaporimeter 107 and chilled water pipe 113.
Cooling water circulation subsystem 400 comprises: cooling water replenishment pipeline 401, cooling water circulating pump 402, cooler 403 and connecting line.
Biogas cooling and warming subsystem, Solar Energy cooling and heating subsystem and electric energy cooling and warming subsystem share evaporimeter 107 and cooling water circulation subsystem 400.
Biogas cooling and warming subsystem and Solar Energy cooling and heating subsystem share low pressure generator 104, the first condenser 105, first throttle valve 106, evaporimeter 107, absorber 108, solution circulation pump 109, hot water circulating pump 110, boiler 111, domestic hot-water supply pipeline 112 and chilled water pipeline 113.
In the present embodiment, as shown in Figure 1, methane-generating pit 101 is connected with the import of air accumulator 102, the outlet of air accumulator 102 is connected with the thermal source supply opening of high pressure generator 103, the high pressure refrigerant vapor outlet of high pressure generator 103 is connected with the high pressure refrigerant vapor import of low pressure generator 104, the refrigerant inlet of the first condenser 105 exports and is connected with high pressure refrigerant vapor with the refrigerant vapour outlet of low pressure generator respectively, the refrigerant outlet of the first condenser 105 is connected with the import of first throttle valve 106, the outlet of first throttle valve 106 is connected with cold-producing medium first import of evaporimeter 107, cold-producing medium first outlet of evaporimeter 107 is connected with the refrigerant vapour import of absorber 108, the concentrated solution import of absorber 108 is connected respectively with the concentrated solution outlet of high pressure generator 103 and the concentrated solution outlet of low pressure generator 104 respectively, the weak solution outlet of absorber 108 is connected with the import of solution circulation pump 109, solution circulation delivery side of pump is connected with the dilute solution inlet of low pressure generator 104 with high pressure generator 103 respectively, the outlet of hot water circulating pump 110 is connected with the circulating water intake of boiler 111 with the water inlet of low pressure generator 104 respectively, the circulating water outlet of boiler 111 is connected with the import of hot water circulating pump 110 with the import of solar thermal collector 201 respectively, the water out of low pressure generator 104 is connected with the circulating water intake of boiler 111 with the water inlet of high pressure generator respectively, the outlet of solar thermal collector 201 is connected with the import of hot water circulating pump 110, the water out of high pressure generator 103 is connected with the circulating water intake of boiler 111, the hot water outlet of boiler 111 is connected with domestic hot-water supply pipeline 112, the outlet of compressor 301 is connected with the refrigerant inlet of the second condenser 302, the outlet of the second condenser 302 is connected with the import of fluid reservoir 303, the outlet of fluid reservoir 303 is connected with the import of the second choke valve 304, the outlet of the second choke valve 304 is connected with cold-producing medium second import of evaporimeter 107, cold-producing medium second outlet of evaporimeter 107 is connected with the import of compressor 301, cold water moisturizing pipeline 305 is connected with the water inlet of the second condenser 302, the water out of the second condenser 302 is connected with the import of solar thermal collector 201.
Fig. 2 is the overall structure schematic diagram of biogas cooling and warming subsystem in the embodiment of the present invention.
As shown in Figure 2, biogas cooling and warming subsystem comprises: methane-generating pit 101, air accumulator 102, high pressure generator 103, low pressure generator 104, the first condenser 105, first throttle valve 106, evaporimeter 107, absorber 108, solution circulation pump 109, hot water circulating pump 110, boiler 111, domestic hot-water supply pipeline 112 and chilled water pipeline 113.
In the present embodiment, as shown in Figure 2, air accumulator 102 is for storing the biogas of methane-generating pit 101, biogas in air accumulator 102 enters high-voltage generator and provides thermal source for high pressure generator 103, biogas is combustion heating weak solution in high pressure generator 103, along with the continuous heat dilute solution of biogas combustion, low boiling point refrigerant evaporation in weak solution forms high pressure refrigerant vapor, and weak solution also becomes concentrated solution, high pressure refrigerant vapor enters the weak solution in low pressure generator 104 heating low pressure generators 104, weak solution in low pressure generator 104 becomes concentrated solution, and generate refrigerant vapour, this refrigerant vapour enters the interior condensation of the first condenser 105 after mixing with the high pressure refrigerant vapor after heat exchange, cold-producing medium after being condensed enters first throttle valve 106 and carries out throttling, by the cold-producing medium after throttling, entered evaporimeter 107 evaporations, refrigerant vapour after evaporation enters absorber 108 and is absorbed the then cooling weak solution that becomes by the concentrated solution from high pressure generator 103 and low pressure generator 104, this weak solution enters respectively high pressure generator 103 and low pressure generator 104, the above-mentioned high pressure refrigerant vapor from high pressure generator 103 is gone back heat cycles water in low pressure generator 104 except heat dilute solution simultaneously, under the effect of hot water circulating pump 110, the recirculated water low pressure generator 104 of constantly flowing through, by high pressure refrigerant vapor, heated, recirculated water after being heated enters boiler 111, after reaching setting value, water temperature in boiler 111 is supplied to resident to use by domestic hot-water supply pipeline 112.
Fig. 3 is the structural representation of Solar Energy cooling and heating subsystem in the embodiment of the present invention.
Compare with the biogas cooling and warming subsystem shown in Fig. 2, the Solar Energy cooling and heating subsystem shown in Fig. 3 provides heat by solar energy heating recirculated water for low pressure generator.For the structure identical with the first refrigeration subsystem, also the description thereof will be omitted to adopt identical numbering.
As shown in Figure 2,3, Solar Energy cooling and heating subsystem has removed methane-generating pit 101, air accumulator 102 and high pressure generator 103 on the basis of the cooling and warming of biogas shown in Fig. 3 subsystem, has increased solar thermal collector 201 and pipeline 202 simultaneously.
The import of solar thermal collector 201 is connected with the circulating water outlet of boiler 111, the outlet of solar thermal collector 201 is connected with the import of hot water circulating pump 110, the outlet of hot water circulating pump 110 is connected with the circulating water intake of boiler 111 with the water inlet of low pressure generator 104 respectively, and the water out of low pressure generator 104 is connected with the circulating water intake of boiler 111.
The heat heat cycles water that solar thermal collector 201 absorbs from the sun, the recirculated water part after heating enters boiler 111, and a part enters low pressure generator 104 for weak solution heating, and the recirculated water after heat exchange enters boiler 111.
Fig. 4 is the structural representation of electric energy cooling and warming subsystem in the embodiment of the present invention.
As shown in Figure 4, electric energy cooling and warming subsystem comprises: compressor 301, the second condenser 302, fluid reservoir 303, the second choke valve 304, cold water moisturizing pipeline 305 and evaporimeter 107.
The outlet of compressor 301 is connected with the refrigerant inlet of the second condenser 302, the outlet of the second condenser 302 is connected with the import of fluid reservoir 303, the outlet of fluid reservoir 303 is connected with the import of the second choke valve 304, the outlet of the second choke valve 304 is connected with cold-producing medium second import of evaporimeter 107, and cold-producing medium second outlet of evaporimeter 107 is connected with the import of compressor 301.
Compressor 301 sucks the refrigerant vapour of flash-pot 107 to compress, refrigerant vapour after compression enters the second condenser 302 condensations, cold-producing medium after being condensed enters fluid reservoir 303, cold-producing medium in fluid reservoir enters the second choke valve 304 and is lowered the temperature by throttling, enter afterwards evaporimeter 107 and carry out sweat cooling, from the cold water of cold water moisturizing pipeline 305 by the second condenser 302 heating.
Fig. 5 is the Water flow-path schematic diagram of cooling water circulation subsystem in the embodiment of the present invention.
As shown in Figure 5, cooling water circulation subsystem comprises: cooling water replenishment pipeline 401, cooling water circulating pump 402, cooler 403 and connecting pipe.
The outlet of cooler 403 is connected with the import of cooling water circulating pump 402, the outlet of cooling water circulating pump 402 is connected with the cooling water inlet of absorber 108, the coolant outlet of absorber 108 is connected with the cooling water inlet of the first condenser 105, the cooling water inlet of coolant outlet second condenser 302 of the first condenser 105 is connected, the coolant outlet of the second condenser 302 is connected with the entrance of cooler 403, and the connecting pipe that connects cooling water circulating pump 402 and cooler 403 crosses and is connected with cooling water replenishment pipeline 401.
Cooling water circulating pump 402 provides circulation power for cooling water circulation subsystem, cooling water enters absorber 108 and carries out cooling, entering afterwards the first condenser 105 carries out cooling, entering the second condenser 302 carries out cooling again, be cooled device 403 of the unnecessary heat of the second condenser 302 absorbs, and cooling water replenishment pipeline 401 provides cooling water replenishment for cooling water circulation subsystem.
Fig. 6 is the structural representation of embodiment of the present invention mesolow generator.
As shown in Figure 6, low pressure generator 104 has: heat exchanger tube 1, dilute solution inlet 2, concentrated solution outlet 3, refrigerant vapour outlet 4, high pressure refrigerant vapor import 5, high pressure refrigerant vapor outlet 6, water out 7, water inlet 8, cold-producing medium liquid phase portion 9 and cold-producing medium gas phase portion 10.
Evaporimeter has: sleeve pipe, cold-producing medium gas phase portion, cold-producing medium liquid phase portion, refrigerant circulation spray pump, chilled water import, chilled water outlet, cold-producing medium the second import, cold-producing medium the second outlet, cold-producing medium the first import and cold-producing medium the first outlet.
Evaporimeter is double pipe heat exchanger, and sleeve pipe consists of outer tube and inner tube, walks compression-type refrigeration agent in described inner tube, outside described inner tube and in outer tube, walks chilled water.
Refrigerating and heating systems 500 is worked as follows:
When solar energy is enough to make water temperature to reach more than 60 degrees Celsius temperature, the first gauge tap is not opened biogas cooling and warming subsystem 100, the 3rd gauge tap is not opened electric energy cooling and warming subsystem 300 yet, the second gauge tap is opened Solar Energy cooling and heating subsystem 200, now, Solar Energy cooling and heating subsystem 200 works alone, solar thermal collector 201 utilizes solar energy heating water, a hot water part after heating directly enters boiler 111 as hot water for life, a part of hot water drives low pressure generator 104 to generate refrigerant vapour in addition, refrigerant vapour enters the first condenser 105 and is condensed, entering afterwards first throttle valve 106 is lowered the temperature by throttling, cold-producing medium after being lowered the temperature by throttling enters evaporimeter 107 sweat coolings, hot water in boiler 111 is supplied to resident to use by domestic hot-water supply pipeline 112.
When there is no solar energy, when biogas is enough sufficient, Solar Energy cooling and heating subsystem 200 cannot start, the 3rd gauge tap is not opened electric energy cooling and warming subsystem 300, the first gauge tap is opened biogas cooling and warming subsystem 100, now, biogas cooling and warming subsystem 100 works alone, air accumulator 102 drives high-voltage generator 103 to generate high pressure refrigerant vapor for high-voltage generator 103 provides thermal source, high pressure refrigerant vapor from high pressure generator 103 drives low pressure generator 104 heat dilute solution and water to generate refrigerant vapour and hot water, hot water enters boiler 111 first condenser 105 condensations from the cold-producing medium of low pressure generator 104, cold-producing medium after being condensed enters the 106 throttling coolings of first throttle valve, enter afterwards evaporimeter 107 sweat coolings, hot water in boiler 111 is supplied to resident to use by domestic hot-water supply pipeline 112.
When there is no solar energy and biogas, Solar Energy cooling and heating subsystem 200 and biogas cooling and warming subsystem 100 cannot be opened, the 3rd gauge tap is opened electric energy cooling and warming subsystem 300, electric energy cooling and warming subsystem 300 independent operatings now, compressor 301 sucks the refrigerant vapour of flash-pot 107 to compress, refrigerant vapour after compression enters the second condenser 302 condensations, cold-producing medium after being condensed enters fluid reservoir 303, the cryogen of making in fluid reservoir enters the second choke valve 304 and is lowered the temperature by throttling, enter afterwards evaporimeter 107 and carry out sweat cooling, from the moisturizing of cold water moisturizing pipeline 305, entering the second condenser 302 is heated, flow to afterwards the import of solar thermal collector 201.
When there being solar energy but deficiency so that water temperature reaches 60 degrees Celsius and while having biogas, the first gauge tap and the second gauge tap are opened respectively biogas cooling and warming subsystem 100 and Solar Energy cooling and heating subsystem 200, the 3rd gauge tap is not opened electric energy cooling and warming subsystem 300, now, biogas cooling and warming subsystem 100 and Solar Energy cooling and heating subsystem 200 cooperations, air accumulator 102 drives high-voltage generator 103 to generate high pressure refrigerant vapor for high-voltage generator 103 provides thermal source, hot water from solar thermal collector 201 drives low pressure generator 104 jointly with the high pressure refrigerant vapor from high pressure generator 103, the first condenser 105 condensations are from the cold-producing medium of low pressure generator 104, cold-producing medium after being condensed enters the 106 throttling coolings of first throttle valve, enter afterwards evaporimeter 107 sweat coolings, hot water in boiler 111 is supplied to resident to use by domestic hot-water supply pipeline 112.
When there is no solar energy, when biogas is also sufficient not, Solar Energy cooling and heating subsystem 200 cannot start, the first gauge tap is opened biogas cooling and warming subsystem 100, the 3rd gauge tap is opened electric energy cooling and warming subsystem 300, now, biogas cooling and warming subsystem 100 and electric energy cooling and warming subsystem 300 cooperations, biogas in air accumulator 102 drives high pressure generator 103, the high pressure refrigerant vapor that high pressure generator 103 produces drives low pressure generator 104 heat dilute solution and water to generate refrigerant vapour and hot water, the cold-producing medium of the first 105 pairs of condensers from low pressure generator 104 carries out condensation, 106 pairs of refrigeration-grade from the first condensation trap 105 of first throttle valve are carried out throttling cooling, meanwhile, compressor 301 compressed refrigerant vapor obtain high pressure refrigerant vapor, the second 302 pairs of condensers high pressure refrigerant vapor is carried out condensation cooling, condensed cold-producing medium enters fluid reservoir 303, the cold-producing medium of the second 304 pairs, choke valve from fluid reservoir 303 carries out throttling cooling, from the cold-producing medium of first throttle valve 106 and the second choke valve 304 respectively at the interior sweat cooling of evaporimeter 107, from the moisturizing of cold water moisturizing pipeline 305, entering the second condenser 302 is heated, flow to afterwards the import of solar thermal collector 201.
When there is no biogas, there is solar energy list deficiency so that water temperature during higher than 60 degrees Celsius, biogas cooling and warming subsystem 100 cannot start, the second gauge tap and the 3rd gauge tap are opened respectively Solar Energy cooling and heating subsystem 200 and electric energy cooling and warming subsystem 300, now Solar Energy cooling and heating subsystem 200 and electric energy cooling and warming subsystem 300 cooperations, compressor 301 compressed refrigerant vapor generate high pressure refrigerant vapor, high pressure refrigerant vapor enters fluid reservoir 303 after by the second condenser 302 condensations, the cold-producing medium of 304 pairs of fluid reservoirs 303 of the second choke valve carries out throttling cooling and obtains low-temperature refrigerant, from the moisturizing of cold water moisturizing pipeline 305, entering the second condenser 302 is heated, moisturizing after being heated enters solar thermal collector 201, solar thermal collector 201 utilizes solar energy heating water, a hot water part after heating directly enters boiler 111 as hot water for life, a part of hot water drives low pressure generator 104 to generate refrigerant vapour in addition, refrigerant vapour enters the first condenser 105 and is condensed, entering afterwards first throttle valve 106 is lowered the temperature by throttling, from the cold-producing medium of first throttle valve 106 and the second choke valve 107 respectively at evaporimeter 107 sweat coolings, hot water in boiler 111 is supplied to resident to use by domestic hot-water supply pipeline 112.
When solar energy and biogas are all sufficient not, the first gauge tap, the second gauge tap and the 3rd gauge tap are opened respectively biogas cooling and warming subsystem 100, Solar Energy cooling and heating subsystem 200 and electric energy cooling and warming subsystem 300, now, biogas cooling and warming subsystem 100, Solar Energy cooling and heating subsystem 200 and electric energy cooling and warming subsystem 300 cooperations, biogas in air accumulator 102 drives high pressure generator 103, the high pressure refrigerant vapor that high pressure generator 103 produces and jointly drive low pressure generator 104 from the hot water of solar thermal collector 201, the cold-producing medium of the first 105 pairs of condensers from low pressure generator 104 carries out condensation, 106 pairs of refrigeration-grade from the first condensation trap 105 of first throttle valve are carried out throttling cooling, meanwhile, compressor 301 compressed refrigerant vapor obtain high pressure refrigerant vapor, the second 302 pairs of condensers high pressure refrigerant vapor is carried out condensation cooling, condensed cold-producing medium enters fluid reservoir 303, the cold-producing medium of the second 304 pairs, choke valve from fluid reservoir 303 carries out throttling cooling, from the cold-producing medium of first throttle valve 106 and the second choke valve 304 respectively at the interior sweat cooling of evaporimeter 107, from the moisturizing of cold water moisturizing pipeline 305, entering the second condenser 302 is heated, flow to afterwards the import of solar thermal collector 201.
The effect of embodiment and effect:
The present embodiment is because adopted the structure that biogas cooling and warming subsystem 100, Solar Energy cooling and heating subsystem 200 and electric energy cooling and warming subsystem 300 are combined cleverly by low pressure generator 104 and evaporimeter 107, so the present invention not only can effectively solve the utilization of the single energy in solar energy and methane energy and be subject to objective condition restriction and cause the problem of fluctuation of service can also reduce the use to high-grade electric energy, improves total energy efficiency.
In addition, the present embodiment is connected the water out of low pressure generator 104 because adopted with the water inlet of high pressure generator 103, the structure that the water out of high pressure generator 103 is connected with the circulating water intake of boiler 111, so when only needing supplying hot water, can reduce heat exchange number of times, improve the thermal efficiency.
In addition, the present embodiment connects absorber 108, the first condenser 105, the second condenser 302 and cooling water pipe of cooler 403 use because adopted, share the structure of cooling water circulation subsystem 400, so can not only improve operational efficiency, can also make compact conformation, reduce consumptive material.
Claims (6)
1. a refrigerating and heating systems, is characterized in that, comprising:
Biogas cooling and warming subsystem, Solar Energy cooling and heating subsystem and electric energy cooling and warming subsystem,
Wherein, described biogas cooling and warming subsystem comprises: biogas feeding mechanism, high-voltage generator, and low pressure generating means, the first condensing unit, first throttle device, vaporising device, absorption plant and hot water storage device,
Described Solar Energy cooling and heating subsystem comprises: low pressure generating means, the first condensing unit, first throttle device, vaporising device, absorption plant, hot water storage device and solar energy heat collector,
Described electric energy cooling and warming subsystem comprises: compression set, the second condensing unit, the second throttling arrangement and vaporising device,
Described biogas cooling and warming subsystem, described Solar Energy cooling and heating subsystem and described electric energy cooling and warming subsystem share vaporising device, described biogas cooling and warming subsystem and described Solar Energy cooling and heating subsystem share low pressure generating means, the first condensing unit, first throttle device, vaporising device, absorption plant and hot water storage device
Described high-voltage generator utilization generates high pressure refrigerant vapor from the biogas combustion heat dilute solution of biogas feeding mechanism,
Described low pressure generating means makes to carry out heat exchange from the recirculated water in described solar energy heat collector or described hot water storage device, high pressure refrigerant vapor in described high-voltage generator and the weak solution in described low pressure generating means,
Described hot water storage device stores the water of the water from low pressure vaporising device or described solar energy heat collector,
Described solar energy heat collector utilizes solar energy to heat the water from described hot water storage device,
Described the first condensing unit carries out condensation to the cold-producing medium from described low pressure generating means,
Described first throttle device is to carrying out throttling cooling from described the first condensing unit cold-producing medium,
Described vaporising device evaporates the cold-producing medium from described first throttle device,
Described absorption plant utilization absorbs and obtains weak solution the cold-producing medium from described vaporising device from the concentrated solution of described high-voltage generator and the concentrated solution of described low pressure generating means, simultaneously for described high-voltage generator and described low pressure generating means provide weak solution
Described vaporising device also evaporates the cold-producing medium from described the second throttling arrangement,
Described compression set compresses and obtains high pressure refrigerant vapor the refrigerant vapour from described vaporising device,
Described the second condensing unit carries out condensation to the cold-producing medium from described compression set,
Described the second throttling arrangement carries out throttling cooling to the condensing agent from described the second condensing unit.
2. refrigerating and heating systems according to claim 1, is characterized in that:
Described biogas cooling and warming subsystem also comprises: for controlling open and close first gauge tap of described biogas cooling and warming subsystem,
Described Solar Energy cooling and heating subsystem also comprises: for controlling the second gauge tap of the open and close of described Solar Energy cooling and heating subsystem,
Described electric energy cooling and warming subsystem also comprises: for controlling the 3rd gauge tap of the open and close of described electric energy cooling and warming subsystem.
3. refrigerating and heating systems according to claim 1, is characterized in that, also comprises: cooling water circulation subsystem,
Wherein, described cooling water circulation subsystem comprises: cooling device and cooling water replenishment pipeline,
The outlet of described cooling device is connected with the cooling water inlet of described absorption plant,
The coolant outlet of described absorption plant is connected with the cooling water inlet of described the first condensing unit,
The coolant outlet of described the first condensing unit is connected with the cooling water inlet of described the second condensing unit,
The coolant outlet of described the second condensing unit is connected with the import of described cooling device,
The cooling water inlet of described absorption plant is also connected with described cooling water replenishment pipeline.
4. refrigerating and heating systems according to claim 1 and 2, is characterized in that:
Wherein, described biogas cooling and warming subsystem also comprises: connect the connecting pipe of the water out of described low pressure generating means and the water inlet of described high-voltage generator, connect the connecting pipe of the water out of described high-voltage generator and the circulating water intake of described hot water storage device.
5. refrigerating and heating systems according to claim 1, is characterized in that:
Wherein, described low pressure generating means is tubular heat exchange device, in described tubular heat exchange device, is provided with heat exchanger tube, in the middle of described heat exchanger tube, with heat exchanger fin, separates.
6. refrigerating and heating systems according to claim 1, is characterized in that:
Wherein, described vaporising device is bushing type vaporising device, and described bushing type vaporising device consists of inner and outer tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310719640.3A CN103712371B (en) | 2013-12-24 | 2013-12-24 | Refrigerating and heating systems |
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| CN201310719640.3A CN103712371B (en) | 2013-12-24 | 2013-12-24 | Refrigerating and heating systems |
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| CN103712371A true CN103712371A (en) | 2014-04-09 |
| CN103712371B CN103712371B (en) | 2015-10-28 |
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| CN201310719640.3A Expired - Fee Related CN103712371B (en) | 2013-12-24 | 2013-12-24 | Refrigerating and heating systems |
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Cited By (1)
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| CN109282397A (en) * | 2018-08-14 | 2019-01-29 | 浙江理工大学 | Novel energy storage air conditioner and method based on air compression refrigeration cycle |
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| CN109282397A (en) * | 2018-08-14 | 2019-01-29 | 浙江理工大学 | Novel energy storage air conditioner and method based on air compression refrigeration cycle |
| CN109282397B (en) * | 2018-08-14 | 2020-06-19 | 浙江理工大学 | Novel energy storage air conditioner and method based on air compression refrigeration cycle |
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| CN103712371B (en) | 2015-10-28 |
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