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CN202149626U - Nano fluid solar water heater - Google Patents

Nano fluid solar water heater Download PDF

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Publication number
CN202149626U
CN202149626U CN201120233957U CN201120233957U CN202149626U CN 202149626 U CN202149626 U CN 202149626U CN 201120233957 U CN201120233957 U CN 201120233957U CN 201120233957 U CN201120233957 U CN 201120233957U CN 202149626 U CN202149626 U CN 202149626U
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CN
China
Prior art keywords
water
heat
carbon nanotube
fluid
solar
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201120233957U
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Chinese (zh)
Inventor
李长河
王玉刚
刘文龙
罗瀚
赵玉鹏
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Qingdao University of Technology
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Qingdao University of Technology
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Priority to CN201120233957U priority Critical patent/CN202149626U/en
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Publication of CN202149626U publication Critical patent/CN202149626U/en
Anticipated expiration legal-status Critical
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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 utility model relates to a water heater technical field, a nanofluid solar water heater promptly, its characteristics are: the solar heat absorption pipe (5) is arranged in the groove of the inclined surface of the solar heat absorption corrugated plate (6), the upper end of the solar heat absorption corrugated plate is in an opening shape and is communicated with the carbon nano tube nano fluid storage tank (7); the carbon nano tube nano fluid (19) is formed by mixing carbon nano tube nano particles and water, wherein the volume content of the carbon nano tube nano particles is 40 vol%, and the average particle size is 93 nm; the upper end of the heat exchange water tank (8) is respectively provided with a liquid level sensor (9) and an exhaust valve (10); the lower end in the heat preservation water tank (13) is provided with a temperature sensor (15). The beneficial effects are that: the carbon nano tube nanofluid is used as a heat exchange working medium to improve the heat exchange efficiency and the heat transfer capacity; a liquid level sensor is adopted to monitor the water level of the heat exchange water tank, and an electromagnetic valve is controlled to realize automatic water feeding; and a temperature sensor is adopted to monitor the water temperature in the heat-preservation water tank, so that the cold water is recycled.

Description

The nano-fluid solar water heater
Technical field
The utility model relates to a kind of technical field of water heaters, promptly a kind of nano-fluid solar water heater.
Background technology
In today of global energy situation anxiety, climate warming serious threat economic development and people's life health, countries in the world all seeking new energy substitution strategy, obtain superiority in the hope of sustainable development with in development in the future.Solar energy with its cleaning, continually, safety etc. significant advantage, become focal point.Solar water heater is exactly to utilize the energy of the sun with the device of water from the low-temperature heat to high temperature, is a kind of heat energy product, converts solar energy to heat energy and mainly relies on thermal-collecting tube.Thermal-collecting tube receives solar radiation to absorb solar energy, through thermal-collecting tube and cold water generation heat exchange, utilizes the principle of hot water come-up cold water sinking, makes the water generates microcirculation and reaches required hot water.Solar water heater is exactly the radiant heat energy that absorbs the sun, and heating cold water offers the energy-saving equipment that people use in life, production.But the thermal-collecting tube of solar product is the heat that utilizes vacuum transfer sun ability at present, and the conducting power and the coefficient of heat transfer are low, causes heat utilization efficiency to reduce, and influence is normally used.
Summary of the invention
The purpose of the utility model is: provide a kind of heat exchange and conducting power higher heat-exchange working medium, can significantly improve the nano-fluid solar water heater of heat exchange efficiency and heat-transfer capability.
Above-mentioned purpose is realized by following technical scheme: develop a kind of nano-fluid solar water heater, comprise water main, ring flange, magnetic valve, water inlet pipe, check valve, solar energy heat absorption pipe, solar energy heat absorbing corrugated sheet, carbon nanotube fluid storage case, heat-exchanging water tank, liquid level sensor, air bleeding valve, heat exchanger, carbon nanotube fluid circulation pump, attemperater, circulating pump, temperature sensor and hot-water line.Be characterized in: said water main links through ring flange and magnetic valve; Lower end, a heat-exchanging water tank left side links to each other with magnetic valve through water inlet pipe, and upper right side links to each other with attemperater through outlet pipe.
Said solar energy heat absorption pipe is placed in the solar energy heat absorbing corrugated sheet inclined plane groove; Its upper end connects for opening shape and with the carbon nanotube fluid storage tank, and the carbon nanotube fluid storage tank is passed through pipeline and linked to each other with heat exchanger, carbon nanotube fluid circulation pump.
Splendid attire carbon nanotube fluid heat-exchange working medium in the said carbon nanotube fluid storage tank.
Said carbon nanotube fluid heat-exchange working medium is to be mixed by carbon nanotube particle and water, and the volume content of carbon nanotube particle is 40vol%, and the average grain diameter of carbon nanotube particle is 93nm.
Said circulating pump is installed in the attemperater, and its upper end links to each other with water inlet pipe through check valve.
Said heat-exchanging water tank upper end is separately installed with liquid level sensor and air bleeding valve.
Lower end near the hot-water line outlet in the said attemperater is equipped with temperature sensor.
Said air bleeding valve is a check valve.
Said magnetic valve is a two position three way directional control valve.
The beneficial effect of the utility model is: adopt the stronger carbon nanotube fluid of heat exchange and conducting power to improve heat exchange efficiency and heat-transfer capability as heat-exchange working medium; Adopt the water level of liquid level sensor monitoring heat-exchanging water tank, the control magnetic valve realizes adding automatically water; Adopt the water temperature in the temperature sensor monitors attemperater, realize the recirculation of cold water utilization.Solved a present solar water heater heat exchange and the low difficult problem of conducting power preferably, and realized that automatic control adds the recycle of water and cold water.
Description of drawings
Fig. 1 is the sketch map of a kind of embodiment;
Fig. 2 is the sketch map of the magnetic valve of this embodiment;
Fig. 3 is solar energy heat absorption pipe and the solar energy heat absorbing corrugated sheet scheme of installation of this embodiment.
Visible among the figure: water main 1, ring flange 2, magnetic valve 3, check valve 4, solar energy heat absorption pipe 5, solar energy heat absorbing corrugated sheet 6, carbon nanotube fluid storage case 7, heat-exchanging water tank 8, liquid level sensor 9, air bleeding valve 10, heat exchanger 11, carbon nanotube fluid circulation pump 12, attemperater 13, circulating pump 14, temperature sensor 15, hot-water line 16, water inlet pipe 17, outlet pipe 18, carbon nanotube fluid 19.
The specific embodiment
The total design of the utility model is to adopt the carbon nanotube fluid to improve heat exchange efficiency and heat-transfer capability as heat-exchange working medium; Adopt the water level of liquid level sensor monitoring heat-exchanging water tank, the control magnetic valve realizes adding automatically water; Adopt the water temperature in the temperature sensor monitors attemperater, realize the recirculation of cold water utilization.Introduce a kind of embodiment below in conjunction with accompanying drawing: shown in Figure 1ly be the structural representation of nano-fluid solar water heater, constitute by water main 1, ring flange 2, magnetic valve 3, check valve 4, solar energy heat absorption pipe 5, solar energy heat absorbing corrugated sheet 6, carbon nanotube fluid storage case 7, heat-exchanging water tank 8, liquid level sensor 9, air bleeding valve 10, heat exchanger 11, carbon nanotube fluid circulation pump 12, attemperater 13, circulating pump 14, temperature sensor 15, hot-water line 16, water inlet pipe 17, outlet pipe 18, carbon nanotube fluid 19.
Visible by Fig. 1, water main 1 links through ring flange 2 and magnetic valve 3; Heat-exchanging water tank 8 left lower ends link to each other with magnetic valve 3 through water inlet pipe 17, and upper right side links to each other with attemperater 13 through outlet pipe 18.Visible in conjunction with Fig. 2, magnetic valve 3 is a two position three way directional control valve.
In conjunction with Fig. 1,3 visible; Solar energy heat absorption pipe 5 is placed in solar energy heat absorbing corrugated sheet 6 inclined plane grooves; Its upper end for opening shape and and carbon nanotube fluid storage tank 7 connect, carbon nanotube fluid storage tank 7 is connected with heat exchanger 11, carbon nanotube fluid circulation pump 12 through pipeline.
Visible by Fig. 1, splendid attire carbon nanotube fluid heat-exchange working medium 19 in the carbon nanotube fluid storage tank 7.Circulating pump 14 is installed in the attemperater 13, and its upper end is connected with water inlet pipe 17 through check valve 4.Lower end near hot-water line 16 outlets in the attemperater 13 is equipped with temperature sensor 15.The upper end of heat-exchanging water tank 8 is separately installed with liquid level sensor 9 and air bleeding valve 10.
During work, the water surface elevation of liquid level sensor 9 monitoring heat-exchanging water tanks 8 is when liquid level sensor 9 detects water level in the heat-exchanging water tank 8 when discontented; Control magnetic valve 3 is opened, and begins to add water, after water is filled it up with; Liquid level sensor 9 is controlled magnetic valve 3 again and is closed, and adds water and finishes.
Be added with carbon nanotube fluid 19 in the solar energy heat absorption pipe 5, CNT is the very high nano particle of a kind of coefficient of heat transfer.Thermal conductivity factor under the CNT normal temperature is 80 times of copper, and 140 times of aluminium have bigger heat transfer potentiality than other nano-solid particles; Solar energy heat absorption pipe 5 is erected in the surface groove of solar energy heat absorbing corrugated sheet 6, can more efficient use solar energy.Carbon nanotube fluid 19 absorbs solar energy from solar energy heat absorption pipe 5 and solar energy corrugation plate 6; Carbon nanotube fluid 19 is heated the back temperature and raises; Under the effect of carbon nanotube fluid circulation pump 12, get into the heat exchanger 11 in the heat-exchanging water tank 8, carry out exchange heat with water in the heat-exchanging water tank 8 water is heated.The principle of utilizing hot water come-up cold water to sink, the hot water in the heat-exchanging water tank 8 gets into attemperater 13 through outlet pipe 18.When needs use hot water, draw through hot-water line 16 and to get final product.If the hot water in the long-time attemperater 13 need not cause temperature to descend; In the time of can't normally using; The hot-water line exit is equipped with temperature sensor 15 monitoring water temperatures in attemperater 13; When water temperature was lower than the serviceability temperature setting value, startup circulating pump 14 entered heat-exchanging water tank 8 with the water in the attemperater 13 through check valves 4 and heats again; When the water temperature in the attemperater 13 reached instructions for use, temperature sensor 15 control circulating pumps 14 cut out, and quit work.

Claims (5)

1. nano-fluid solar water heater; Comprise that water main (1), ring flange (2), magnetic valve (3), check valve (4), solar energy heat absorption pipe (5), solar energy heat absorbing corrugated sheet (6), carbon nanotube fluid storage case (7), heat-exchanging water tank (8), liquid level sensor (9), air bleeding valve (10), heat exchanger (11), carbon nanotube fluid circulation pump (12), attemperater (13), circulating pump (14), temperature sensor (15), hot-water line (16), water inlet pipe (17), outlet pipe (18), carbon nanotube fluid (19) constitute, it is characterized in that: said water main (1) links through ring flange (2) and magnetic valve (3); The left lower end of heat-exchanging water tank (8) links to each other with magnetic valve (3) through water inlet pipe (17), and upper right side links to each other with attemperater (13) through outlet pipe (18); Solar energy heat absorption pipe (5) is placed in solar energy heat absorbing corrugated sheet (6) inclined plane groove; Its upper end connects for opening shape and with carbon nanotube fluid storage tank (7), and carbon nanotube fluid storage tank (7) is passed through pipeline and linked to each other with heat exchanger (11), carbon nanotube fluid circulation pump (12).
2. nano-fluid solar water heater according to claim 1 is characterized in that: said carbon nanotube fluid storage tank (7) interior splendid attire carbon nanotube fluid (19) heat-exchange working medium.
3. nano-fluid solar water heater according to claim 1 is characterized in that: said circulating pump (14) is installed in the attemperater (13), and its upper end links to each other with water inlet pipe (17) through check valve (4).
4. nano-fluid solar water heater according to claim 1 is characterized in that: said heat-exchanging water tank (8) upper end is separately installed with liquid level sensor (9) and air bleeding valve (10).
5. nano-fluid solar water heater according to claim 1 is characterized in that: the lower end near hot-water line (16) outlet in the said attemperater (13) is equipped with temperature sensor (15).
CN201120233957U 2011-06-26 2011-06-26 Nano fluid solar water heater Expired - Fee Related CN202149626U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120233957U CN202149626U (en) 2011-06-26 2011-06-26 Nano fluid solar water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120233957U CN202149626U (en) 2011-06-26 2011-06-26 Nano fluid solar water heater

Publications (1)

Publication Number Publication Date
CN202149626U true CN202149626U (en) 2012-02-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201120233957U Expired - Fee Related CN202149626U (en) 2011-06-26 2011-06-26 Nano fluid solar water heater

Country Status (1)

Country Link
CN (1) CN202149626U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2511075A (en) * 2013-02-22 2014-08-27 Donald Earl Spence Desalination Apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2511075A (en) * 2013-02-22 2014-08-27 Donald Earl Spence Desalination Apparatus

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120222

Termination date: 20120626