CN203671918U - High-efficiency condensation gas water heater - Google Patents

High-efficiency condensation gas water heater Download PDF

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Publication number
CN203671918U
CN203671918U CN201320657083.2U CN201320657083U CN203671918U CN 203671918 U CN203671918 U CN 203671918U CN 201320657083 U CN201320657083 U CN 201320657083U CN 203671918 U CN203671918 U CN 203671918U
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CN
China
Prior art keywords
heat exchanger
heat exchange
coil pipe
stainless steel
pipes
Prior art date
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
CN201320657083.2U
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Chinese (zh)
Inventor
余少言
仇明贵
梁惠国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Macro Gas Appliance Co Ltd
Original Assignee
Guangdong Macro Gas Appliance Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Macro Gas Appliance Co Ltd filed Critical Guangdong Macro Gas Appliance Co Ltd
Priority to CN201320657083.2U priority Critical patent/CN203671918U/en
Application granted granted Critical
Publication of CN203671918U publication Critical patent/CN203671918U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

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  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The utility model discloses a high-efficiency condensation gas water heater. The high-efficiency condensation gas water heater comprises an enclosure, a burner arranged on the enclosure, a heat exchanger, heat exchange pipes, a direct-current fan and a controller. The high-efficiency condensation gas water heater is characterized in that the heat exchanger pipes include coiled pipes and stainless steel corrugated pipes, and the coiled pipes and the stainless steel corrugated pipes are connected in parallel; the coiled pipes are wound on the heat exchanger for the first heat exchange, and the stainless steel corrugated pipes and the coiled pipes are connected in parallel for the second heat exchange; the coiled pipes and the corrugated pipes are separated through a flow guide cover; heat exchange fins are arranged on the top of the heat exchanger, and the coiled pipes and the stainless steel corrugated pipes jointly penetrate through the heat exchange fins after being connected in parallel. Compared with the prior art, the high-efficiency condensation gas water heater has the advantages of being low in manufacturing cost, good in heat exchange effect and capable of avoiding demagnetizing caused by high temperature of the direct-current fan.

Description

A kind of high-efficiency condensation gas heater
Technical field
The utility model relates to fluid heater technical field, relates in particular to a kind of high-efficiency condensation gas heater.
Background technology
Gas heater refers to using combustion gas as fuel, by combustion heating mode, heat is delivered in the cold water of the heat exchanger of flowing through, to reach the object of preparing hot water.The rate of heat exchange of heat exchanger is an important indicator evaluating gas heater quality.Especially in today of energy growing tension, how designing a kind of efficient gas heater is to be worth industry to continue the important directions of research.
At present, the heat exchanger of most of gas heater adopts copper material to make, and is generally also provided with heat exchange fin at the top of heat exchanger, coils at the outer surface of heat exchanger the copper coil pipe being connected with heat exchange fin.When real work, the hot flue gas of height that burner produces enters from the bottom of heat exchanger, then discharges from the heat exchange fin at heat exchanger top, reaches the object of flue gas and copper coil heat exchange, and then realizes the cool water heating in coil pipe.But this heat exchange mode at heat-exchanger surface soldering copper coil pipe, need be through two metal layers at least from the cold water in coil pipe to the hot flue gas of height, heat transfer effect still exists optimizes space.In fact, be welded on the coil pipe of heat-exchanger surface, its coil pipe utilization rate is also lower, and the today of growing to even greater heights in copper material price, this is a kind of waste beyond doubt, increased the manufacturing cost of gas heater.
Utility model content
For problems of the prior art, the purpose of this utility model is to provide the gas heater that a kind of heat exchange efficiency is high, effectively reduce copper material consumption.
For reaching above object, the utility model adopts following technical scheme.
A kind of high-efficiency condensation gas heater, comprising: casing, be arranged on the burner on casing, and heat exchanger, DC fan, controller, and the heat exchanger tube being connected with heat exchanger, is characterized in that, described heat exchanger tube comprises coil pipe parallel with one another and corrugated stainless steel tubing.
As with improvement, between coil pipe and bellows, be provided with and separated kuppe, be used for guiding flue gas fully to contact with coil pipe, corrugated stainless steel tubing, to improve heat exchange efficiency; Described heat exchanger and coil pipe are arranged in kuppe; Described coil pipe is coiled in and on heat exchanger, forms one time heat exchange structure, and described corrugated stainless steel tubing is coiled in formation secondary heat exchange structure in parallel with coil pipe on the outer wall of kuppe.
As with improvement, the top of described heat exchanger is provided with heat exchange fin, described coil pipe together with after corrugated stainless steel tubing parallel connection through heat exchange fin.
As with improvement, in described casing, be provided with seal closure, heat exchanger, kuppe, bellows are in seal closure, and the top of described seal closure is communicated with DC fan, and the bottom of described seal closure is communicated with burner.
Further with improvement, the bottom of described seal closure is provided with condensation-water drain.
Further with improvement, the bottom of described kuppe separates with seal closure, so that flue gas refluxes in the space of kuppe outer wall and the formation of seal closure inwall.
As with improvement, described burner is provided with gas ratio valve, and the water inlet position of described heat exchanger tube is provided with water proportioning valve.
Compared with prior art, a kind of high-efficiency condensation gas heater that the utility model provides, because heat exchanger tube comprises coil pipe parallel with one another and corrugated stainless steel tubing, reduces the consumption of copper coil pipe, effectively reduces the manufacturing cost of water heater.Meanwhile, the layering interval of coil pipe and corrugated stainless steel tubing arranges, a part of cold water enters heat exchange fin by corrugated stainless steel tubing, has strengthened the temperature difference of water temperature and high-temperature flue gas in heat exchange fin, good effect of heat exchange.And then it is extremely low to make to discharge flue gas heat, solve that gas heater DC fan is subject to high temperature and the problem that occurs de-magnetic.
Accompanying drawing explanation
Figure 1 shows that the high-efficiency condensation gas heater structural representation that the utility model provides.
Description of reference numerals:
1, casing, 2, burner, 3, heat exchanger, 4, heat exchanger tube, 5, DC fan, 6, controller, 7, seal closure, 8, kuppe;
21, gas proportioning valve;
31, heat exchange fin;
41, copper coil pipe, 42, corrugated stainless steel tubing, 43, water proportioning valve.
The specific embodiment
For further setting forth essence of the present utility model, by reference to the accompanying drawings the specific embodiment of the present utility model is described as follows.
As shown in Figure 1, a kind of high-efficiency condensation gas heater, comprising: casing 1, is arranged on the burner 2 on casing 1, heat exchanger 3, heat exchanger tube 4, DC fan 5, and controller 6, it is characterized in that, described heat exchanger tube 4 comprises copper coil pipe 41 parallel with one another and corrugated stainless steel tubing 42; Described copper coil pipe 41 is coiled on heat exchanger 3 and forms the first heat exchange layer, and described corrugated stainless steel tubing 42 is coiled in outer formation the second heat exchange layer of copper coil pipe 41.For the heat exchange efficiency that guarantees that two heat exchange layers have all had, preferably between the first heat exchange layer and the second heat exchange layer, a spacing is set.
In the present embodiment, concrete spacing set-up mode is: a seal closure 7 is set casing 1 is interior, offers condensation-water drain 71 in the bottom of seal closure 7.The top of seal closure 7 is communicated with DC fan 5, the bottom of seal closure 7 is communicated with burner 2, and heat exchanger 3 is arranged in seal closure 7, kuppe 8 of outer setting of heat exchanger 3, copper coil pipe 41 is coiled on heat exchanger 3, corrugated stainless steel tubing 42 is coiled on the outer wall of kuppe 8; So just having realized copper coil pipe 41 arranges with the interval of corrugated stainless steel tubing 42.Here, be the high-temperature flue gas free flow inside and outside kuppe 8 that guarantees that burner 2 produces, the bottom of described kuppe 8 does not contact with seal closure 7.
As some optimal ways of the present embodiment, the top of described heat exchanger 3 is provided with heat exchange fin 31, and described copper coil pipe 41 passes heat exchange fin together with after corrugated stainless steel tubing 42 parallel connections.Described burner 2 is provided with gas ratio valve 21, and the water inlet position of described heat exchanger tube 4 is provided with water proportioning valve 43.
When real work, combustion gas is through gas ratio valve 21, in burner fire aperture, burning produces high-temperature flue gas, first high-temperature flue gas follows copper coil pipe 41 to carry out heat exchange for the first time by radiation heat transfer, then carry out heat exchange by heat exchange fin 31, high-temperature flue gas carries out heat exchange with copper coil pipe 41 and corrugated stainless steel tubing 42 again along kuppe 8 afterwards, is finally discharged to outdoor by the flue of DC fan.In whole heat transfer process, cold water by corrugated stainless steel tubing 42 and copper coil pipe 41 in parallel, enters heat exchange fin 31 after water proportioning valve 43; Because a part of cold water enters heat exchange fin 31 by corrugated stainless steel tubing 42, in increasing heat exchange fin 31, the temperature difference of water temperature and high-temperature flue gas, has strengthened heat transfer effect.
A kind of high-efficiency condensation gas heater that the present embodiment provides, because heat exchanger tube comprises copper coil pipe and corrugated stainless steel tubing parallel with one another, reduces the consumption of copper coil pipe, effectively reduces the manufacturing cost of water heater.Simultaneously, the layering interval of copper coil pipe and corrugated stainless steel tubing arranges, part cold water enters heat exchange fin by corrugated stainless steel tubing, strengthen the temperature difference of water temperature and high-temperature flue gas in heat exchange fin, further improve heat exchange efficiency, reduce and discharge flue gas heat, solved DC fan and be subject to high temperature and the problem of de-magnetic.
The above specific embodiment has been described in detail essence of the present utility model, but can not limit protection domain of the present utility model with this.In every case according to the essence of the utility model, the simple modifications of doing, modification or equivalence change, within all dropping on claim protection domain of the present utility model.

Claims (7)

1. a high-efficiency condensation gas heater, comprising: casing, be arranged on the burner on casing, and heat exchanger, DC fan, controller, and the heat exchanger tube being connected with heat exchanger, is characterized in that, described heat exchanger tube comprises coil pipe parallel with one another and corrugated stainless steel tubing.
2. a kind of high-efficiency condensation gas heater according to claim 1, is characterized in that, between coil pipe and bellows, be provided with and separated kuppe, described heat exchanger and coil pipe are arranged in kuppe; Described coil pipe is coiled in and on heat exchanger, forms one time heat exchange structure, and described corrugated stainless steel tubing is coiled in formation secondary heat exchange structure in parallel with coil pipe on the outer wall of kuppe.
3. a kind of high-efficiency condensation gas heater according to claim 1, is characterized in that, the top of described heat exchanger is provided with heat exchange fin, and described coil pipe passes heat exchange fin together with after corrugated stainless steel tubing parallel connection.
4. a kind of high-efficiency condensation gas heater according to claim 2, it is characterized in that, in described casing, be provided with seal closure, heat exchanger, kuppe, bellows are in seal closure, the top of described seal closure is communicated with DC fan, and the bottom of described seal closure is connected with burner.
5. a kind of high-efficiency condensation gas heater according to claim 4, is characterized in that, the bottom of described seal closure is provided with condensation-water drain.
6. a kind of high-efficiency condensation gas heater according to claim 4, is characterized in that, the bottom of described kuppe separates with seal closure.
7. a kind of high-efficiency condensation gas heater according to claim 1, is characterized in that, described burner is provided with gas ratio valve, and the water inlet position of described heat exchanger tube is provided with water proportioning valve.
CN201320657083.2U 2013-10-23 2013-10-23 High-efficiency condensation gas water heater Expired - Fee Related CN203671918U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320657083.2U CN203671918U (en) 2013-10-23 2013-10-23 High-efficiency condensation gas water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320657083.2U CN203671918U (en) 2013-10-23 2013-10-23 High-efficiency condensation gas water heater

Publications (1)

Publication Number Publication Date
CN203671918U true CN203671918U (en) 2014-06-25

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Application Number Title Priority Date Filing Date
CN201320657083.2U Expired - Fee Related CN203671918U (en) 2013-10-23 2013-10-23 High-efficiency condensation gas water heater

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CN (1) CN203671918U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112577198A (en) * 2019-09-30 2021-03-30 芜湖美的厨卫电器制造有限公司 Burner assembly, heat exchanger assembly and hot water equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112577198A (en) * 2019-09-30 2021-03-30 芜湖美的厨卫电器制造有限公司 Burner assembly, heat exchanger assembly and hot water equipment
CN112577198B (en) * 2019-09-30 2022-05-24 芜湖美的厨卫电器制造有限公司 Burner assembly, heat exchanger assembly and hot water equipment

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

Granted publication date: 20140625

Termination date: 20191023