CN102679543A - System for producing hot water by aid of low-grade heat - Google Patents
System for producing hot water by aid of low-grade heat Download PDFInfo
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- CN102679543A CN102679543A CN2011104385993A CN201110438599A CN102679543A CN 102679543 A CN102679543 A CN 102679543A CN 2011104385993 A CN2011104385993 A CN 2011104385993A CN 201110438599 A CN201110438599 A CN 201110438599A CN 102679543 A CN102679543 A CN 102679543A
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Abstract
The invention relates to a system for producing hot water by the aid of low-grade heat. A refrigerating fluid outlet of a compressor of the system is connected with a refrigerating fluid inlet of a condenser, a refrigerating fluid outlet of the condenser is connected with an inlet of a throttling valve via a liquid trap, an outlet of the throttling valve is connected with a refrigerating fluid inlet of an atmospheric evaporator, a refrigerating fluid outlet of the atmospheric evaporator is connected with a refrigerating fluid inlet of the compressor, an inlet of a hot water storage box is connected with an outlet of a solar water collector, an inlet of the solar water collector is connected with an outlet of the hot water storage box via a circulating pump, a first tubular heat exchanger is arranged in the hot water storage box, an inlet of the first heat exchanger is used for being connected with a water source, an outlet of the first heat exchanger is connected with a cooling water inlet of the condenser, a cooling water outlet of the condenser is used for being connected to water using equipment, an inlet of a heat-insulation water collecting pond is used for being connected with a waste heat water source, an outlet of the heat-insulation water collecting pond is connected with a sprayer via a waste heat water pump, and the sprayer is positioned above the atmospheric evaporator and provides evaporation heat to the atmospheric evaporator.
Description
Technical field
The present invention relates to a kind of system that produces hot water, relate in particular to a kind of combined type heating of utilizing low-grade heat to obtain hot water.
Background technology
In early days, China's commercial building hot water supply mainly is forms such as fire coal, fuel oil, combustion gas, electric boiler, and electric heater, gas heater form are mainly taked in cities and towns civil buildings hot water supply.Water heater such as electric heater and gas water heater form need consume a large amount of primary energy, and has certain potential safety hazard, the enhancing of and environmental consciousness energy-conservation along with hot water demand's increase, people, and solar water heater obtains paying attention to day by day.And because the intensity of solar radiation of each department is different, so solar heat pump only is applicable to certain area.And the big or small Along with season of solar radiant energy and variation round the clock and clocklike; Also receive the strong influence of weather conditions (sexual intercourse rain or shine) simultaneously. therefore; Solar radiant heat has intermittent and very big unstability; Utilize solar energy, with regard to solving its discontinuity and unreliability problem, such as a jumbo energy storage device or other auxiliary thermal source are set.
Full-fledged along with heat pump techniques, heat pump techniques is increasing to be used in the hot water supply, air source hot pump water heater occurred, soil source and water source heat pump water heater etc.The application study of Teat pump boiler originates in during the Second World War, and the history in more than 50 year has been arranged abroad, and small-sized heat pump type water heater used some families from the 1950's.Be under the environment temperature condition with higher, can move continuously with respect to its outstanding advantage of solar water heater, do not receive the influence of extraneous solar irradiation intensity, so the reliability of user's water strengthen greatly.
Solar water heater and air source hot pump water heater equally also exist certain defective to impel people further to explore new water heater form; So a kind of many disadvantages that can overcome existing various water heaters to a great extent; Enter into people's the visual field gradually in conjunction with traditional solar thermal collection system and the heat pump well behaved direct expansion formula solar heat-pump water heater that combines, obtain a lot of researchers' attention all over the world.
There is the intermittent work problem in solar water heater, and in order to guarantee sufficient hot water supply, the collector area that needs to increase heat collector satisfies the thermic load requirement; Thereby cause initial cost to increase; In addition, when sunshine was more weak, solar energy can't provide enough energy for water; The temperature of causes water is low, can't reach the requirement of regulation.In addition, conventional solar boilers can not reclaim the waste heat that waste heat, surface water or underground water contained in the waste water.
Summary of the invention
The object of the present invention is to provide a kind of system that utilizes low-grade heat to produce hot water, the system's investment that utilizes solar energy to produce hot water of the prior art is higher to solve, there is the intermittently used problem in system and when sunlight is more weak, the problem that meets the requirements of hot water can't be provided.
For realizing above-mentioned purpose; The system that utilizes low-grade heat to produce hot water of a kind of form of the present invention adopts following technical scheme: a kind of system that utilizes low-grade heat to produce hot water; Comprise compressor and hot water storage tank and insulation collecting-tank, the refrigerant outlet of compressor links to each other with the refrigerant inlet of condenser, and the refrigerant outlet of condenser links to each other with the import of choke valve through liquid trap; The outlet of choke valve links to each other with the refrigerant inlet of showering spray type evaporimeter; The refrigerant outlet of showering spray type evaporimeter links to each other with the refrigerant inlet of compressor, and the import of hot water storage tank links to each other with the outlet of solar energy catchment device, and the import of solar energy catchment device links to each other with the outlet of hot water storage tank through circulating pump; Be provided with first heat exchanger of tubular type in the hot water storage tank; The import of first heat exchanger is used for linking to each other with the water source, and the outlet of first heat exchanger links to each other with the cooling water inlet of condenser, and the coolant outlet of condenser is used to be connected to watering equipment; The import of insulation collecting-tank is used for linking to each other with the used heat water source, and the outlet of insulation collecting-tank is connected with through the used heat water pump and is in showering spray type evaporimeter top provides heat of evaporation for the showering spray type evaporimeter shower nozzle.
The outlet of described first heat exchanger is used for linking to each other with the water source through a medium channel of second heat exchanger; The below of said showering spray type evaporimeter is provided with water-collecting tray; The opening of water-collecting tray is towards the showering spray type evaporimeter; Offer on the water-collecting tray and be equipped with scupper, scupper is connected to draining behind another medium channel of second heat exchanger.
The outlet of described first heat exchanger is used for linking to each other with the water source through a medium channel of second heat exchanger, and said used heat water pump links to each other with shower nozzle through another medium channel of second heat exchanger.
Described condenser is a kind of in pipe heat exchanger, plate type heat exchanger, the double pipe heat exchanger.
Described second heat exchanger is a kind of in pipe heat exchanger, plate type heat exchanger, the double pipe heat exchanger.
The system that utilizes low-grade heat to produce hot water of another kind of form of the present invention adopts following technical scheme:
A kind of system that utilizes low-grade heat to produce hot water; Comprise compressor and hot water storage tank and insulation collecting-tank; The refrigerant outlet of compressor links to each other with the refrigerant inlet of condenser, and the refrigerant outlet of condenser links to each other with the import of choke valve through liquid trap, and the outlet of choke valve links to each other with the refrigerant inlet of showering spray type evaporimeter; The refrigerant outlet of showering spray type evaporimeter links to each other with the refrigerant inlet of compressor; The import of hot water storage tank links to each other with the outlet of solar energy catchment device, and the import of solar energy catchment device links to each other with the outlet of hot water storage tank through circulating pump, offers cooling water inlet on the hot water storage tank; Cooling water inlet is used for linking to each other with the water source; Also offer hot water outlet on the hot water storage tank, hot water outlet links to each other with the cooling water inlet of condenser, and the coolant outlet of condenser is used to be connected to watering equipment; The import of insulation collecting-tank is used for linking to each other with the used heat water source, and the outlet of insulation collecting-tank is connected with through the used heat water pump and is in showering spray type evaporimeter top provides heat of evaporation for the showering spray type evaporimeter shower nozzle.
The described system that utilizes low-grade heat to produce hot water; Described cooling water inlet is used for linking to each other with the water source through a medium channel of second heat exchanger; The below of said showering spray type evaporimeter is provided with water-collecting tray; The opening of water-collecting tray is offered on the water-collecting tray and is equipped with scupper towards the showering spray type evaporimeter, and scupper is connected to draining behind another medium channel of second heat exchanger.
The present invention adopts the condenser in the refrigeration system to utilize the condensation heat heating bathing of cold-producing medium to use hot water, and utilizes the solar energy heating unit to produce hot water storage more than 10 ℃ in hot water storage tank, utilizes solar energy that bathing is carried out assistant heating with hot water; Add heat for bathing provides with hot water, guarantee bathing, whole system simple in structure with the required thermic load requirement of hot water; Parts are few; Cost is low, and in addition, hot water storage tank can be with storage of solar energy in hot water storage tank; The system that makes can continuous firing, has solved existing discontinuous operation of traditional solar energy hot water supply system and the high problem of initial cost.Native system has power saving, good energy-conserving effect, advantage such as reliable and stable, is specially adapted to occasions such as bathhouse publilc baths, hotel.
Further, the present invention utilizes solar energy preheating sanitary water, and utilizes second heat exchanger to reclaim the contained waste heats of discharge spent hot water such as bathroom, produces living-hygienic hot water more than 40 ℃, has reached purpose of energy saving.
Description of drawings
Fig. 1 is the structure principle chart of the embodiment of the invention 1;
Fig. 2 is the structure principle chart of the embodiment of the invention 2;
Fig. 3 is the structure principle chart of the embodiment of the invention 3.
The specific embodiment
A kind of system implementation example 1 of utilizing low-grade heat to produce hot water; In Fig. 1; The refrigerant outlet of its compressor 1 links to each other with the refrigerant inlet of condenser 2, and the refrigerant outlet of condenser 2 links to each other with the import of liquid trap 3, and the outlet of liquid trap 3 links to each other with the import of choke valve 4; The outlet of choke valve 4 links to each other with the refrigerant inlet of showering spray type evaporimeter 5, and the refrigerant outlet of showering spray type evaporimeter 5 links to each other with the refrigerant inlet of compressor 1.The import of the hot water storage tank 11 of this system links to each other with the outlet of solar energy catchment device 9, and the import of solar energy catchment device 9 links to each other with the outlet of circulating pump 10, and the import of circulating pump 10 links to each other with the outlet of hot water storage tank 11.Be provided with first heat exchanger 13 of tubular type in the hot water storage tank 11; First heat exchanger 13 can with the hot water heat exchange in the hot water storage tank 11; The import of first heat exchanger 13 is used for linking to each other with the water source through a medium channel of second heat exchanger 14; The outlet of first heat exchanger 13 links to each other with the cooling water inlet of condenser 2, and the coolant outlet of condenser 2 is used to be connected to watering equipment.The top of showering spray type evaporimeter 5 is provided with shower nozzle 12, and the below of showering spray type evaporimeter 5 is provided with water-collecting tray 8, offers scupper on the water-collecting tray 8, and scupper is connected to draining behind another medium channel of second heat exchanger 14.Shower nozzle 12 links to each other with the outlet of used heat water pump 7, and the import of used heat water pump 7 links to each other with the outlet of insulation collecting-tank 6, and the import of insulation collecting-tank 6 is used for linking to each other with the used heat water source.
Condenser in the present embodiment is a kind of in pipe heat exchanger, plate type heat exchanger, the double pipe heat exchanger.
Second heat exchanger in the present embodiment is a kind of in pipe heat exchanger, plate type heat exchanger, the double pipe heat exchanger.
Carry out heat exchange from the water at water source through second heat exchanger and the waste water that comes out by water-collecting tray in the present embodiment, also second heat exchanger can be set, directly will from the water at water source deliver in first heat exchanger with the thermal storage tank in the hot water heat exchange.
A kind ofly utilize the system implementation example 2 that low-grade heat produces hot water, in Fig. 2, the difference of present embodiment and embodiment 1 is: the waste water from water-collecting tray directly inserts draining, also just say, from the water of water-collecting tray no longer through second heat exchanger.And the outlet of used heat water pump 7 through second heat exchanger 14 with from linking to each other with shower nozzle 12 again after the water heat exchange at water source.
A kind of system implementation example 3 of utilizing low-grade heat to produce hot water; In Fig. 3; The difference of present embodiment and embodiment is: first heat exchanger is not set; On the thermal storage tank, directly offered cooling water inlet and hot water outlet, just directly inserted in the hot water storage tank 11 through second heat exchanger, 14 backs from the water at water source, and the hot water in the hot water storage tank 11 are introduced in the condenser 2 by hot water outlet; The condensation heat of emitting when utilizing condensation of refrigerant is come heat hot water, and heated hot water is inserted in the toilet.
Claims (7)
1. system that utilizes low-grade heat to produce hot water; It is characterized in that: comprise compressor and hot water storage tank and insulation collecting-tank; The refrigerant outlet of compressor links to each other with the refrigerant inlet of condenser; The refrigerant outlet of condenser links to each other with the import of choke valve through liquid trap, and the outlet of choke valve links to each other with the refrigerant inlet of showering spray type evaporimeter, and the refrigerant outlet of showering spray type evaporimeter links to each other with the refrigerant inlet of compressor; The import of hot water storage tank links to each other with the outlet of solar energy catchment device; The import of solar energy catchment device links to each other with the outlet of hot water storage tank through circulating pump, is provided with first heat exchanger of tubular type in the hot water storage tank, and the import of first heat exchanger is used for linking to each other with the water source; The outlet of first heat exchanger links to each other with the cooling water inlet of condenser; The coolant outlet of condenser is used to be connected to watering equipment, and the import of insulation collecting-tank is used for linking to each other with the used heat water source, and the outlet of insulation collecting-tank is connected with through the used heat water pump and is in showering spray type evaporimeter top provides heat of evaporation for the showering spray type evaporimeter shower nozzle.
2. the system that utilizes low-grade heat to produce hot water according to claim 1; It is characterized in that: the outlet of described first heat exchanger is used for linking to each other with the water source through a medium channel of second heat exchanger; The below of said showering spray type evaporimeter is provided with water-collecting tray; The opening of water-collecting tray is offered on the water-collecting tray and is equipped with scupper towards the showering spray type evaporimeter, and scupper is connected to draining behind another medium channel of second heat exchanger.
3. the system that utilizes low-grade heat to produce hot water according to claim 1; It is characterized in that: the outlet of described first heat exchanger is used for linking to each other with the water source through a medium channel of second heat exchanger, and said used heat water pump links to each other with shower nozzle through another medium channel of second heat exchanger.
4. according to claim 1 or the 2 or 3 described systems that utilize low-grade heat to produce hot water, it is characterized in that: described condenser is a kind of in pipe heat exchanger, plate type heat exchanger, the double pipe heat exchanger.
5. according to claim 2 or the 3 described systems that utilize low-grade heat to produce hot water, it is characterized in that: described second heat exchanger is a kind of in pipe heat exchanger, plate type heat exchanger, the double pipe heat exchanger.
6. system that utilizes low-grade heat to produce hot water; It is characterized in that: comprise compressor and hot water storage tank and insulation collecting-tank; The refrigerant outlet of compressor links to each other with the refrigerant inlet of condenser, and the refrigerant outlet of condenser links to each other with the import of choke valve through liquid trap, and the outlet of choke valve links to each other with the refrigerant inlet of showering spray type evaporimeter; The refrigerant outlet of showering spray type evaporimeter links to each other with the refrigerant inlet of compressor; The import of hot water storage tank links to each other with the outlet of solar energy catchment device, and the import of solar energy catchment device links to each other with the outlet of hot water storage tank through circulating pump, offers cooling water inlet on the hot water storage tank; Cooling water inlet is used for linking to each other with the water source; Also offer hot water outlet on the hot water storage tank, hot water outlet links to each other with the cooling water inlet of condenser, and the coolant outlet of condenser is used to be connected to watering equipment; The import of insulation collecting-tank is used for linking to each other with the used heat water source, and the outlet of insulation collecting-tank is connected with through the used heat water pump and is in showering spray type evaporimeter top provides heat of evaporation for the showering spray type evaporimeter shower nozzle.
7. the system that utilizes low-grade heat to produce hot water according to claim 6; It is characterized in that: described cooling water inlet is used for linking to each other with the water source through a medium channel of second heat exchanger; The below of said showering spray type evaporimeter is provided with water-collecting tray; The opening of water-collecting tray is offered on the water-collecting tray and is equipped with scupper towards the showering spray type evaporimeter, and scupper is connected to draining behind another medium channel of second heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104385993A CN102679543A (en) | 2011-12-25 | 2011-12-25 | System for producing hot water by aid of low-grade heat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104385993A CN102679543A (en) | 2011-12-25 | 2011-12-25 | System for producing hot water by aid of low-grade heat |
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| Publication Number | Publication Date |
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| CN102679543A true CN102679543A (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104385993A Pending CN102679543A (en) | 2011-12-25 | 2011-12-25 | System for producing hot water by aid of low-grade heat |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016119155A1 (en) * | 2015-01-28 | 2016-08-04 | 汪庆 | Heating and humidification system for sauna room |
| CN107965753A (en) * | 2016-10-19 | 2018-04-27 | 华北电力大学（保定） | One kind utilizes low-temperature industrial hot water production vapor device |
| CN112728630A (en) * | 2020-12-29 | 2021-04-30 | 哈尔滨工业大学 | Integrated heat supply system and heat supply method |
Citations (4)
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| CN1865783A (en) * | 2006-06-15 | 2006-11-22 | 康树人 | Bathing waste water heat -reclaiming and solar-heating bathing device |
| CN200968714Y (en) * | 2006-11-18 | 2007-10-31 | 黄伟 | Heat pump water heater capable of comprehensive utilizing waste hot water |
| CN201819480U (en) * | 2010-10-18 | 2011-05-04 | 河南科技大学 | High-efficiency and energy-saving heat pump device |
| CN202403416U (en) * | 2011-12-25 | 2012-08-29 | 河南科技大学 | Bathroom waste heat recovering type heat pump water heater |
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2011
- 2011-12-25 CN CN2011104385993A patent/CN102679543A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1865783A (en) * | 2006-06-15 | 2006-11-22 | 康树人 | Bathing waste water heat -reclaiming and solar-heating bathing device |
| CN200968714Y (en) * | 2006-11-18 | 2007-10-31 | 黄伟 | Heat pump water heater capable of comprehensive utilizing waste hot water |
| CN201819480U (en) * | 2010-10-18 | 2011-05-04 | 河南科技大学 | High-efficiency and energy-saving heat pump device |
| CN202403416U (en) * | 2011-12-25 | 2012-08-29 | 河南科技大学 | Bathroom waste heat recovering type heat pump water heater |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016119155A1 (en) * | 2015-01-28 | 2016-08-04 | 汪庆 | Heating and humidification system for sauna room |
| CN107965753A (en) * | 2016-10-19 | 2018-04-27 | 华北电力大学（保定） | One kind utilizes low-temperature industrial hot water production vapor device |
| CN112728630A (en) * | 2020-12-29 | 2021-04-30 | 哈尔滨工业大学 | Integrated heat supply system and heat supply method |
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Application publication date: 20120919 |