CN105202781A - Active heat pipe flat solar water heater - Google Patents

Active heat pipe flat solar water heater Download PDF

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Publication number
CN105202781A
CN105202781A CN201510666481.4A CN201510666481A CN105202781A CN 105202781 A CN105202781 A CN 105202781A CN 201510666481 A CN201510666481 A CN 201510666481A CN 105202781 A CN105202781 A CN 105202781A
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CN
China
Prior art keywords
outlet
working medium
liquid
gas
water heater
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Pending
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CN201510666481.4A
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Chinese (zh)
Inventor
余延顺
戴乐乐
江安峰
孙成龙
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Nanjing Super Energy Technology Co Ltd
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Nanjing Super Energy Technology Co Ltd
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Priority to CN201510666481.4A priority Critical patent/CN105202781A/en
Publication of CN105202781A publication Critical patent/CN105202781A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

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  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The invention discloses an active heat pipe flat solar water heater which comprises a hot water tank, a condensation heating coil arranged in the hot water tank, a liquid storage tank, a working medium pump, a bearing-type flat heat collector and a gas-liquid separator, wherein an outlet of the liquid storage tank is connected with an inlet of the working medium pump; an outlet of the working medium pump is connected with an inlet of the bearing-type flat heat collector; an outlet of the bearing-type flat heat collector is connected with an inlet of the gas-liquid separator; the gas-liquid separator comprises a first outlet and a second outlet; the first outlet is a gas outlet, and the second outlet is a liquid outlet; the gas outlet is connected with an inlet of the condensation heating coil; and the liquid outlet and an outlet of the condensation heating coil are respectively connected with an inlet of the liquid storage tank. The working medium pump is adopted to provide transmission power, the bearing-type flat heat collector is adopted, and the low-temperature environment-friendly working medium is used as the heat carrying medium when in use, thereby solving the problem of limited power in the heat pipe solar water heater, enhancing the solar heat collection efficiency and widening the applicability of the solar water heater.

Description

A kind of initiatively heat pipe plate type solar water heater
Technical field
The present invention relates to a kind of solar water heater, specifically relate to a kind of initiatively heat pipe plate type solar water heater.
Background technology
Solar energy is a kind of inexhaustible green energy resource.The representative that solar water heating system directly effectively utilizes as solar energy, is widely used in worldwide.At present, the solar water heating system on market is mainly divided into full glass vacuum tube type solar energy water heater, plate type solar water heater and pipe type solar heat water heater.
Full glass vacuum tube type solar energy water heater due to its structure simple, the reasons such as cost is low, mature production technology, have become the solar water heating system that Contemporary China application is the most universal.Its primary structure is made up of inside and outside layer glass pipe, carries out application of vacuum between inside and outside glass tube, and interior pipe inlet side is coated with coating for selective absorption.During work, be full of water in interior pipe, coating absorbs solar energy and is converted to heat transfer feedwater.And the shortcoming of full glass vacuum tube type solar energy water heater is as follows: 1, owing to adopting glass tube with vacuum, the bearing capacity of this kind of water heater is poor, there is bursting by freezing risk at Cold Winter; 2, directly use water as transmission working medium, easy scaling and be difficult to remove; 3, cold district, winter, danger was freezed in existence, and environment temperature compared with time low because pipe internal-external temperature difference is large, heat collector heat loss is comparatively large, makes heat collector collecting efficiency low; 4, reliability is poor, and one breaks whole system can be caused to run.
Plate type solar water heater is the important member of solar water heater.It is primarily of a few part composition such as absorber plate, transparent cover plate, heat-insulation layer and housing.Sunlight is irradiated on absorber plate through transparent cover plate, and absorber plate absorbs solar energy, and most of solar energy is converted to heat transfer in the working medium of absorber runner.Working medium after heating enters hot water storage tank with useful heat, realizes effective storage of heat energy.And the shortcoming of plate type solar water heater is: heat-collecting temperature is low, easily bursting by freezing occurs at low ambient temperatures, adaptability is poor at low temperatures.
Pipe type solar heat water heater is as water heater of new generation, while other like product shortcomings of solution, moderate, and development rapidly in the market.Its principle is the heat collection unit be made up of heat pipe, and each heat pipe is divided into condensation end and evaporation ends, and hot intraductal working medium because gravity current is to condensation end in evaporation ends heat absorption, is lowered the temperature, then flowed to evaporation ends, move in circles with this after condensation end heat release.But this water heater is only by Natural Circulation, power is limited, and condensation end area is limited, and the scope of application is narrower.
Therefore, need to propose a kind of novel solar water heater.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides the active heat pipe plate type solar water heater that a kind of collecting efficiency is high, applied widely.
Technical scheme: for achieving the above object, a kind of initiatively heat pipe plate type solar water heater of the present invention, comprise boiler, be built in the condensation heating coil pipe in described boiler, fluid reservoir, working medium pump, pressure-bearing type flat plate collector and gas-liquid separator, the outlet of wherein said fluid reservoir is connected with the entrance of described working medium pump, described working medium delivery side of pump is connected with the entrance of described pressure-bearing type flat plate collector, the outlet of described pressure-bearing type flat plate collector is connected with the entrance of described gas-liquid separator, described gas-liquid separator comprises first, second outlet, described first outlet is gas vent, described second outlet is liquid outlet, described gas vent is connected with the entrance of described condensation heating coil pipe, described liquid outlet is connected with the entrance of described fluid reservoir respectively with the outlet of described condensation heating coil pipe,
Further, also comprise liquid-sighting glass, described liquid-sighting glass is connected between the outlet of described fluid reservoir and the entrance of described working medium pump;
Further, comprise one group of stop valve, described stop valve comprises first, second, 3rd, 4th and the 5th stop valve, wherein said first stop valve is connected between the outlet of described fluid reservoir and the entrance of described working medium pump, described second stop valve is connected between the entrance of described working medium delivery side of pump and described pressure-bearing type flat plate collector, described 3rd stop valve is connected between the liquid outlet of described gas-liquid separator and the entrance of described fluid reservoir, described 4th stop valve is connected between the gas vent of described gas-liquid separator and the entrance of described condensation heating coil pipe, between the outlet that described 5th stop valve is connected to described condensation heating coil pipe and the entrance of described fluid reservoir, also comprise liquid-sighting glass, described liquid-sighting glass is connected between the outlet of described fluid reservoir and described first stop valve.
Further, described working medium pump is the working medium pump of compressible gas, liquid and gas-liquid two-phase working medium.
Further, low-temperature environment-friendly cold-producing medium in described working medium employing.
Further, described working medium adopts R134a or R407C environmental protection refrigerant.
Beneficial effect: compared with the prior art, the advantage had is in the present invention:
1, the present invention adopts working medium pump to provide transmission power for systemic circulation, solve the difficult problem that existing pipe type solar heat water heater power is limited, in addition compared to the solar water heater of routine, substantially increase solar energy heating efficiency, expand the scope of application of solar water heater, for large-scale hot-water heating system adopts solar water heater to provide possibility;
2, present invention employs pressure-bearing type flat plate collector, compare full glass vacuum tube type heat collector, improve the bearing capacity of solar water heater significantly, extend the service life of system;
3, the present invention use in low-temperature environment-friendly working medium as heat-carrying agent, solve conventional solar water heater and use water as the scale problems and freezed in winter hidden danger brought for working medium, expand the applicability of solar water heater at cold district.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's active heat pipe plate type solar water heater.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
Refer to shown in Fig. 1, a kind of initiatively heat pipe plate type solar water heater that the present invention proposes, comprise boiler 5, be built in the condensation heating coil pipe 4 in described boiler 5, fluid reservoir 6, working medium pump 1, pressure-bearing type flat plate collector 2 and gas-liquid separator 3, the outlet of wherein said fluid reservoir 6 is connected with the entrance of described working medium pump 1, the outlet of described working medium pump 1 is connected with the entrance of described pressure-bearing type flat plate collector 2, the outlet of described pressure-bearing type flat plate collector 2 is connected with the entrance of described gas-liquid separator 3, described gas-liquid separator 3 comprises the first outlet 31 and the second outlet 32, described first outlet 31 is gas vent, described second outlet 32 is liquid outlet, described gas vent is connected with the entrance of described condensation heating coil pipe 4, described liquid outlet is connected with the entrance of described fluid reservoir 6 respectively with the outlet of described condensation heating coil pipe 4, therefore the connection loop of a job capable of circulation is formed, liquid-sighting glass 7 is connected with between the outlet and the entrance of described working medium pump 1 of described fluid reservoir 6, described liquid-sighting glass 7 is for observing the entrance working medium state of described working medium pump 1, the liquid refrigerant of condensation in described condensation heating coil pipe 4 enters into described fluid reservoir 6 by the outlet of described condensation heating coil pipe 4, liquid in described fluid reservoir 6 enters into described pressure-bearing type flat plate collector 2 through described working medium pump 1 pressurization, described pressure-bearing type flat plate collector 2 is collected solar energy and solar energy is converted to heat energy, described pressure-bearing type flat plate collector 2 makes liquid refrigerant gasify as high temperature and high pressure gas or gas-liquid two-phase fluid, this high temperature and high pressure gas or gas-liquid two-phase fluid enter in described gas-liquid separator 3 under described working medium pump 1 exports liquid driven, isolated gas is transported in described condensation heating coil pipe 4 and carries out condensing heat-exchange by described gas-liquid separator 3, by the water heating in described boiler 5, now condensation of gas becomes liquid, this liquid enters into described fluid reservoir 6 by the outlet of described condensation heating coil pipe 4, isolated liquid is transported in described fluid reservoir 6 by liquid outlet by described gas-liquid separator 3 simultaneously, this liquid refrigerant enters in described working medium pump 1 again, so far a working cycles is completed, proceed periodic duty next time.
This active heat pipe plate type solar water heater also comprises one group of stop valve in addition, described stop valve comprises first, second, 3rd, 4th and the 5th stop valve 8, 9, 10, 11, 12, between the outlet that wherein said first stop valve 8 is connected to described fluid reservoir 6 and the entrance of described working medium pump 1, described second stop valve 9 is connected between the outlet of described working medium pump 1 and the entrance of described pressure-bearing type flat plate collector 2, between the liquid outlet that described 3rd stop valve 10 is connected to described gas-liquid separator 3 and the entrance of described fluid reservoir 6, described 4th stop valve 11 is connected between the gas vent of described gas-liquid separator 3 and the entrance of described condensation heating coil pipe 4, between the outlet that described 5th stop valve 12 is connected to described condensation heating coil pipe 4 and the entrance of described fluid reservoir 6, described stop valve is used to the flowing of controlled medium in circulation loop, liquid-sighting glass 7 is connected with in addition between the outlet and described first stop valve 8 of described fluid reservoir 6, described liquid-sighting glass 7 is for observing the entrance working medium state of described working medium pump 1,
The liquid refrigerant of condensation in wherein said condensation heating coil pipe 4 is transported in described fluid reservoir 6 by delivery outlet, after liquid refrigerant in described fluid reservoir 6 is pressurizeed by described working medium pump 1, this liquid refrigerant is transported in described pressure-bearing type flat plate collector 2, described pressure-bearing type flat plate collector 2 is collected solar energy and solar energy is converted to heat energy, described pressure-bearing type flat plate collector 2 makes liquid refrigerant gasify as high temperature and high pressure gas or gas-liquid two-phase fluid, this high temperature and high pressure gas or gas-liquid two-phase fluid enter in described gas-liquid separator 3 under described working medium pump 1 exports liquid driven, in described gas-liquid separator 3, isolated liquid is transported in described fluid reservoir 6 by described second outlet 32 i.e. liquid outlet, the isolated high temperature and high pressure gas of described gas-liquid separator 3 enters into described condensation heating coil pipe 4 by described first outlet 31 i.e. gas vent and carries out condensing heat-exchange, by the water heating in described boiler 5, now gas becomes liquid, this liquid enters into described fluid reservoir 6 by the outlet of described condensation heating coil pipe 4, this worker quality liquid enters described working medium pump 1 again, so far a working cycles is completed.
The above working medium pump 1 is the working medium pump of compressible gas, liquid and gas-liquid two-phase working medium, and this working medium pump is the working medium drive unit of whole circulation.
Preferably, low-temperature environment-friendly cold-producing medium in adopting as the working medium of heat-carrying material in the present invention, described working medium adopts R134a or R407C environmental protection refrigerant.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (7)

1. an active heat pipe plate type solar water heater, it is characterized in that: comprise boiler (5), be built in the condensation heating coil pipe (4) in described boiler (5), fluid reservoir (6), working medium pump (1), pressure-bearing type flat plate collector (2) and gas-liquid separator (3), the outlet of wherein said fluid reservoir (6) is connected with the entrance of described working medium pump (1), the outlet of described working medium pump (1) is connected with the entrance of described pressure-bearing type flat plate collector (2), the outlet of described pressure-bearing type flat plate collector (2) is connected with the entrance of described gas-liquid separator (3), described gas-liquid separator (3) comprises first, second outlet (31, 32), described first outlet (31) is gas vent, described second outlet (32) is liquid outlet, described gas vent is connected with the entrance of described condensation heating coil pipe (4), described liquid outlet is connected with the entrance of described fluid reservoir (6) respectively with the outlet of described condensation heating coil pipe (4).
2. active heat pipe plate type solar water heater according to claim 1, it is characterized in that: comprise one group of stop valve, described stop valve comprises first, second, 3rd, 4th and the 5th stop valve (8, 9, 10, 11, 12), wherein said first stop valve (8) is connected between the outlet of described fluid reservoir (6) and the entrance of described working medium pump (1), described second stop valve (9) is connected between the outlet of described working medium pump (1) and the entrance of described pressure-bearing type flat plate collector (2), described 3rd stop valve (10) is connected between the liquid outlet of described gas-liquid separator (3) and the entrance of described fluid reservoir (6), described 4th stop valve (11) is connected between the gas vent of described gas-liquid separator (3) and the entrance of described condensation heating coil pipe (4), between the outlet that described 5th stop valve (12) is connected to described condensation heating coil pipe (4) and the entrance of described fluid reservoir (6).
3. active heat pipe plate type solar water heater according to claim 1, it is characterized in that: comprise liquid-sighting glass (7), described liquid-sighting glass (7) is connected between the outlet of described fluid reservoir (6) and the entrance of described working medium pump (1).
4. active heat pipe plate type solar water heater according to claim 2, it is characterized in that: comprise liquid-sighting glass (7), described liquid-sighting glass (7) is connected between the outlet of described fluid reservoir (6) and described first stop valve (8).
5. the active heat pipe plate type solar water heater according to claim 1,2 or 3, is characterized in that: described working medium pump (1) is compressible gas, the working medium pump of liquid and gas-liquid two-phase working medium.
6. active heat pipe plate type solar water heater according to claim 5, is characterized in that: low-temperature environment-friendly cold-producing medium during described working medium adopts.
7. active heat pipe plate type solar water heater according to claim 6, is characterized in that: described working medium adopts R134a or R407C environmental protection refrigerant.
CN201510666481.4A 2015-10-15 2015-10-15 Active heat pipe flat solar water heater Pending CN105202781A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108548332A (en) * 2018-04-20 2018-09-18 燕山大学 A kind of photovoltaic loop circuit heat pipe hot-water heating system
CN110715456A (en) * 2019-10-21 2020-01-21 铜陵市宏安太阳能科技有限公司 Novel wall-mounted solar water heater

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001021228A (en) * 1999-07-06 2001-01-26 Chiyoufu Kosan Kk Solar water heater
CN202869028U (en) * 2012-10-29 2013-04-10 常州市康舒环境科技有限公司 Power driving and separation heat pipe split type panel solar water heater
CN202928135U (en) * 2012-10-17 2013-05-08 常州市康舒环境科技有限公司 Wall-mounted flat-plate solar water heater with separated heat pipes
CN104595967A (en) * 2015-02-13 2015-05-06 东南大学 Heating device of solar water heater with discrete-type heat pipes
CN204329357U (en) * 2014-10-28 2015-05-13 乐山航大星光太阳能热水器制造有限公司 Split pressure-bearing formula novel solar water-heater system
CN205388384U (en) * 2015-10-15 2016-07-20 南京苏佰能能源科技有限公司 Plate solar water heater of initiative heat pipe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001021228A (en) * 1999-07-06 2001-01-26 Chiyoufu Kosan Kk Solar water heater
CN202928135U (en) * 2012-10-17 2013-05-08 常州市康舒环境科技有限公司 Wall-mounted flat-plate solar water heater with separated heat pipes
CN202869028U (en) * 2012-10-29 2013-04-10 常州市康舒环境科技有限公司 Power driving and separation heat pipe split type panel solar water heater
CN204329357U (en) * 2014-10-28 2015-05-13 乐山航大星光太阳能热水器制造有限公司 Split pressure-bearing formula novel solar water-heater system
CN104595967A (en) * 2015-02-13 2015-05-06 东南大学 Heating device of solar water heater with discrete-type heat pipes
CN205388384U (en) * 2015-10-15 2016-07-20 南京苏佰能能源科技有限公司 Plate solar water heater of initiative heat pipe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108548332A (en) * 2018-04-20 2018-09-18 燕山大学 A kind of photovoltaic loop circuit heat pipe hot-water heating system
CN108548332B (en) * 2018-04-20 2019-08-09 燕山大学 A kind of photovoltaic loop circuit heat pipe hot-water heating system
CN110715456A (en) * 2019-10-21 2020-01-21 铜陵市宏安太阳能科技有限公司 Novel wall-mounted solar water heater

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Application publication date: 20151230

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