CN107270529B - Water storage type water heater heat preservation device - Google Patents

Water storage type water heater heat preservation device Download PDF

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Publication number
CN107270529B
CN107270529B CN201710721542.1A CN201710721542A CN107270529B CN 107270529 B CN107270529 B CN 107270529B CN 201710721542 A CN201710721542 A CN 201710721542A CN 107270529 B CN107270529 B CN 107270529B
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China
Prior art keywords
water
air cavity
water inlet
inlet pipe
outlet pipe
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CN201710721542.1A
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CN107270529A (en
Inventor
金敬福
李杨
陈廷坤
韩丽曼
齐迎春
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Jilin University
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Jilin University
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18Water-storage heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/0005Details for water heaters

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Insulation (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

An air cavity of the water storage type water heater heat preservation device is of a closed structure, a water inlet pipe enters the air cavity from the lower part of the air cavity, and the top end of the water inlet pipe is communicated with the upper end in the air cavity; the periphery of the water inlet pipe is wrapped with the heat-insulating layer, so that the heat exchange rate of cold water in the pipe and hot water in the air cavity is reduced; the water outlet pipe enters the air cavity from the upper part of the air cavity and is communicated with the lower end in the air cavity; the sectional area of the air cavity is larger than the sectional areas of the outlets of the water inlet pipe and the water outlet pipe. The water outlet of the water outlet pipe is connected with a cold water inlet of the water heater, and when the water stored in the water heater keeps a static heat preservation state, the cold water and the water stored in the water heater are isolated by air in the air cavity due to the isolation effect of air; when the water heater is in use, because the sectional area of the air cavity is larger than that of the water inlet and outlet pipe, water flow is generated in the air cavity, but air is not extruded out; when the water flow is static, the air in the air cavity can automatically isolate cold water from hot water, so that the heat preservation is realized. The invention reduces the heat transfer rate and realizes the heat preservation effect.

Description

Water storage type water heater heat preservation device
Technical Field
The invention relates to the field of water storage type water heaters, and particularly discloses a heat preservation device of a water storage type water heater.
Background
The water storage type water heater does not need to be installed in different rooms, does not generate harmful gas, is clean and sanitary, and can be conveniently adjusted in temperature, so that the water storage type water heater is widely popular with consumers. The heat preservation performance is determined by the use characteristics of the composite material, and is one of the important performances. The reason for reducing the temperature of the stored water in the water heater is that the water inlet of the water heater is usually directly connected with the inner container, cold water and hot water are in direct contact, and the water inlet pipeline is an iron pipe or a plastic pipe, so that heat dissipation is serious. The heat dissipation amount here is about 15% of the entire heat dissipation amount. When water is discontinuously used, the water heater is frequently started to heat for maintaining the water temperature, and energy is wasted.
Disclosure of Invention
The invention provides a heat preservation device of a water storage type water heater, aiming at solving the defects in the prior art and solving the problems of direct contact heat dissipation of cold and hot water at a water inlet of the water storage type electric water heater and the like.
The invention realizes automatic gas storage, forms a gas barrier and isolates cold water and hot water by utilizing a closed 'thin-thick-thin' pipeline design and an inlet and outlet pipeline height arrangement method. And the periphery of the water inlet pipe is wrapped with the heat-insulating layer, so that the heat exchange rate of cold water in the pipe and hot water in the air cavity is reduced. The purpose of reducing the heat dissipation rate of the water inlet pipeline of the water storage type electric water heater is achieved.
The invention comprises a water outlet pipe, an air cavity and a water inlet pipe; the air cavity is of a closed structure; the water inlet pipe enters the air cavity from the lower part of the air cavity, and the top end of the water inlet pipe is communicated with the upper end in the air cavity; the periphery of the water inlet pipe is provided with a heat-insulating wrapping layer; the water outlet pipe enters the air cavity from the upper part of the air cavity and is communicated with the lower end in the air cavity; the sectional area of the air cavity is larger than the sectional area of the outlet of the water outlet pipe and the sectional area of the inlet of the water inlet pipe.
The invention has the beneficial effects that:
the invention utilizes the air cavity structure, does not need to be debugged, can automatically realize a stable 'gas barrier' isolation state when the water flow is static, has low cost, simple structure, no need of maintenance and obvious heat preservation effect.
Drawings
Fig. 1 is a schematic view of a first embodiment of the present invention.
FIG. 2 is a schematic view of a second embodiment of the present invention.
Fig. 3 is a schematic view of a third embodiment of the present invention.
FIG. 4 is a schematic view of a fourth embodiment of the present invention.
FIG. 5 is a schematic diagram of the present invention.
In the figure: 1-water outlet pipe, 2-air cavity, 3-water inlet pipe, 4-air hood and 5-water heater water inlet.
Detailed Description
The invention utilizes the gas barrier to isolate cold water from hot water, and the gas barrier is realized by utilizing the design of a closed 'thin-thick-thin' pipeline and a method for arranging the height of an inlet pipeline and an outlet pipeline.
As shown in fig. 1, a first embodiment of the present invention comprises a water outlet pipe 1, an air chamber 2 and a water inlet pipe 3; the air cavity 2 is of a closed structure; the water inlet pipe 3 enters the air cavity 2 from the lower part of the air cavity 2, and the top end of the water inlet pipe 3 is communicated with the upper end in the air cavity 2; the periphery of the water inlet pipe 3 is provided with a heat-insulating coating layer 4; the water outlet pipe 1 enters the air cavity 2 from the upper part of the air cavity 2, and the water outlet pipe 1 is communicated with the lower end in the air cavity 2; the sectional area of the air cavity 2 is larger than the sectional area of the outlet of the water outlet pipe 1 and the sectional area of the inlet of the water inlet pipe 3.
As shown in fig. 2, a second embodiment of the present invention is provided, which comprises a water outlet pipe 1, an air chamber 2 and a water inlet pipe 3; the water inlet pipe 3 enters the air cavity 2 from the lower part of the air cavity 2, and the water inlet pipe 3 is communicated with the upper end in the air cavity 2; the periphery of the water inlet pipe 3 is provided with a heat-insulating coating layer 4; the lower end of the water outlet pipe 1 is wrapped with an air cavity 2 and the upper end of a water inlet pipe 3; the sectional area of the air cavity 2 is larger than the sectional area of the outlet of the water outlet pipe 1 and the sectional area of the inlet of the water inlet pipe 3.
As shown in fig. 3, a third embodiment of the present invention is provided, which comprises a water outlet pipe 1, an air chamber 2 and a water inlet pipe 3; the water outlet pipe 1, the air cavity 2 and the water inlet pipe 3 are communicated in sequence to form a closed pipeline, and the closed pipeline is in a U-shaped structure of thin-thick-thin type; the sectional area of the air cavity 2 is larger than the sectional area of the outlet of the water outlet pipe 1 and the sectional area of the inlet of the water inlet pipe 3.
As shown in fig. 4, a third embodiment of the present invention is provided, which comprises a water outlet pipe 1, an air chamber 2 and a water inlet pipe 3; the air cavity 2, the water outlet pipe 1 and the water inlet pipe 3 are uniformly distributed in the device; the upper part of the water inlet pipe 3 is communicated with the air cavity 2; the periphery of the water inlet pipe 3 is provided with a heat-insulating coating layer 4; the air cavity 2 below the water outlet pipe 1 is communicated.
As shown in fig. 5, the present invention is applied to the outside of a water heater. The water outlet pipe is connected with a water inlet of the water heater, and the water inlet is connected with a water supply pipeline of the water heater.
The specific working process of the invention is as follows:
1. when the water stored in the water heater keeps a static heat preservation state, the cold water in the water heater is separated from the water stored in the water heater by air in the air cavity due to the air separation function.
2. When the water heater is in use, because the sectional area of the air cavity is larger than that of the water inlet and outlet pipe, water flow is generated in the air cavity, but air cannot be extruded out.
3. When the water stored in the water heater is kept still again, the air in the air cavity can automatically isolate cold water and hot water, so that the heat preservation is realized.
The working principle of the invention is as follows:
the invention uses the air cavity and the U-shaped structure to carry out air sealing, thereby avoiding the direct contact heat exchange of cold water and hot water and improving the heat preservation effect of the water heater.
The invention makes up the defects of the existing water heater, can reduce the daily starting and heating times of the water heater, realizes the idea of energy conservation and environmental protection, has good economic benefit, and is easy to realize, popularize and use.

Claims (4)

1. The utility model provides a water storage formula water heater heat preservation device which characterized in that: comprises a water outlet pipe (1), an air cavity (2) and a water inlet pipe (3); the air cavity (2) is of a closed structure; the water inlet pipe (3) enters the air cavity (2) from the lower part of the air cavity (2), and the top end of the water inlet pipe (3) is communicated to the upper end in the air cavity (2); the water outlet pipe (1) enters the air cavity (2) from the upper part of the air cavity (2), and the water outlet pipe (1) is communicated with the lower end in the air cavity (2); the sectional area of the air cavity (2) is larger than that of the water outlet pipe (1) and the water inlet pipe (3); the water outlet pipe (1) is connected with a water inlet of the water heater, and the water inlet pipe (3) is connected with a water supply pipeline of the water heater.
2. The utility model provides a water storage formula water heater heat preservation device which characterized in that: it comprises a water outlet pipe (1), an air cavity (2) and a water inlet pipe (3); the water inlet pipe (3) enters the air cavity (2) from the lower part of the air cavity (2), and the water inlet pipe (3) is communicated with the inner upper end of the air cavity (2); the lower end of the water outlet pipe (1) is wrapped with an air cavity (2) and the upper end of the water inlet pipe (3); the sectional area of the air cavity (2) is larger than the sectional area of the outlet of the water outlet pipe (1) and the sectional area of the inlet of the water inlet pipe (3); the water outlet pipe (1) is connected with a water inlet of the water heater, and the water inlet pipe (3) is connected with a water supply pipeline of the water heater.
3. The utility model provides a water storage formula water heater heat preservation device which characterized in that: it comprises a water outlet pipe (1), an air cavity (2) and a water inlet pipe (3); the water outlet pipe (1), the air cavity (2) and the water inlet pipe (3) are communicated in sequence to form a closed pipeline, and the closed pipeline is of a horizontal S-shaped structure; the sectional area of the air cavity (2) is larger than the sectional area of the outlet of the water outlet pipe (1) and the sectional area of the inlet of the water inlet pipe (3); the water outlet pipe (1) is connected with a water inlet of the water heater, and the water inlet pipe (3) is connected with a water supply pipeline of the water heater.
4. The storage water heater attemperator of claim 1, 2 or 3, wherein: the periphery of the water inlet pipe (3) is provided with a heat-insulating coating layer (4).
CN201710721542.1A 2017-08-22 2017-08-22 Water storage type water heater heat preservation device Active CN107270529B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710721542.1A CN107270529B (en) 2017-08-22 2017-08-22 Water storage type water heater heat preservation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710721542.1A CN107270529B (en) 2017-08-22 2017-08-22 Water storage type water heater heat preservation device

Publications (2)

Publication Number Publication Date
CN107270529A CN107270529A (en) 2017-10-20
CN107270529B true CN107270529B (en) 2023-04-14

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CN201710721542.1A Active CN107270529B (en) 2017-08-22 2017-08-22 Water storage type water heater heat preservation device

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2422932A1 (en) * 2002-08-09 2004-02-09 Winston R. Mackelvie Improvement to a hot water heater
CN2828656Y (en) * 2005-09-30 2006-10-18 艾欧史密斯(中国)热水器有限公司 Buffer water heater
CN2893521Y (en) * 2006-03-11 2007-04-25 浙江康泉电器有限公司 Water storing type water heater high hot water discharging rate water inlet tube
CN201155625Y (en) * 2008-02-22 2008-11-26 艾欧史密斯(中国)热水器有限公司 Casing tube type admitting pipe
CN201297771Y (en) * 2008-08-29 2009-08-26 赵松盛 Cold water inlet pipe device of an electric water heater
CN201539971U (en) * 2009-06-26 2010-08-04 浙江康泉电器有限公司 Water inlet pipe for increasing water yield of electric water heater
CN201844559U (en) * 2010-11-03 2011-05-25 赛德隆国际电器(中国)有限公司 Water heater with cap type water inlet pipe
CN104132450A (en) * 2014-08-19 2014-11-05 蒋艾 Air pressure heat storage type water heater

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2253268B (en) * 1991-02-06 1995-10-25 George Hepburn Improvements in water heating and space heating apparatus and methods
EP1557620A1 (en) * 2003-12-29 2005-07-27 Grand Hall Enterprise Co., Ltd. Water heater
CN101290160A (en) * 2008-06-01 2008-10-22 美的集团有限公司 Electric water heater
JP6035466B2 (en) * 2013-01-31 2016-11-30 丸一株式会社 Piping equipment
TWM505601U (en) * 2015-03-23 2015-07-21 Zun-Tian Lin Improved structure for heater
CN106288335A (en) * 2016-11-14 2017-01-04 赵海慧 A kind of electric heater
CN207065866U (en) * 2017-08-22 2018-03-02 吉林大学 A kind of storage-type electric water heater attemperator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2422932A1 (en) * 2002-08-09 2004-02-09 Winston R. Mackelvie Improvement to a hot water heater
CN2828656Y (en) * 2005-09-30 2006-10-18 艾欧史密斯(中国)热水器有限公司 Buffer water heater
CN2893521Y (en) * 2006-03-11 2007-04-25 浙江康泉电器有限公司 Water storing type water heater high hot water discharging rate water inlet tube
CN201155625Y (en) * 2008-02-22 2008-11-26 艾欧史密斯(中国)热水器有限公司 Casing tube type admitting pipe
CN201297771Y (en) * 2008-08-29 2009-08-26 赵松盛 Cold water inlet pipe device of an electric water heater
CN201539971U (en) * 2009-06-26 2010-08-04 浙江康泉电器有限公司 Water inlet pipe for increasing water yield of electric water heater
CN201844559U (en) * 2010-11-03 2011-05-25 赛德隆国际电器(中国)有限公司 Water heater with cap type water inlet pipe
CN104132450A (en) * 2014-08-19 2014-11-05 蒋艾 Air pressure heat storage type water heater

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