CN201983415U - Secondary heat exchange type fuel-gas water heater - Google Patents
Secondary heat exchange type fuel-gas water heater Download PDFInfo
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- CN201983415U CN201983415U CN2011201169911U CN201120116991U CN201983415U CN 201983415 U CN201983415 U CN 201983415U CN 2011201169911 U CN2011201169911 U CN 2011201169911U CN 201120116991 U CN201120116991 U CN 201120116991U CN 201983415 U CN201983415 U CN 201983415U
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Abstract
The utility model relates to the field of household electrical appliances, in particular to a fuel-gas water heater. A secondary heat exchange type fuel-gas water heater comprises a casing, a burner, a heat exchanger of sensible heat, an exhaust flue, a water inlet pipe, a fuel-gas pipe, a water outlet pipe and an electronic proportional valve of fuel gas. The fuel-gas water heater also comprises a condensing heat exchanger, wherein the water inlet pipe is communicated with a water inlet of the condensing heat exchanger by a water inlet pipeline, an air outlet of the heat exchanger of the sensible heat is communicated with an air inlet of the condensing heat exchanger, an air outlet of the condensing heat exchanger is communicated with the exhaust flue, a condensed water collector is arranged on a condensed water outlet of the condensing heat exchanger, a water outlet of the condensed water collector is communicated with a water inlet of the heat exchanger of the sensible heat after the water outlet of the condensed water collector and a water outlet of the condensing heat exchanger are connected in parallel, and the electronic proportional valve of the fuel gas is respectively connected with the water inlet pipeline and an air inlet pipeline. According to the secondary heat exchange type fuel-gas water heater, cold water is firstly preheated through the condensing heat exchanger by utilizing the heat of high-temperature fume, so that the utilization efficiency of heat energy is greatly enhanced, and the heat efficiency is as high as 98 percent. The secondary heat exchange type fuel-gas water heater is an energy-saving fuel-gas water heater with high efficiency.
Description
Technical field
The utility model relates to household appliance technical field, relates in particular to a kind of gas heater.
Background technology
Along with people's living standard is more and more higher, everybody has had further requirement to the personal hygiene problem, more than general of particularly bathing aspect has been accomplished once, so sanitary bath equipment has been had higher requirement.At present the water heater that uses on the market has more the energy difference of use, roughly is divided into three kinds of electric heater, solar water heater and gas heaters.Wherein gas heater is with imflammable gas: liquefied petroleum gas, artificial coal gas, natural gas etc. are fuel carries out Fast Heating to water water heater, have thermal efficiency height, go out hot water fast, continue constant temperature, regulate easily, plurality of advantages such as volume is little, easy for installation, more and more be subjected to vast consumer's favor.
Existing gas heater mostly is Flue Gas Water Heater greatly, and basic structure mainly is made up of valve body assembly, burner, heat exchanger, safety device etc.Valve body assembly is being controlled the working procedure of whole water heater, and it comprises water valve, air valve, microswitch and igniter etc.When using water heater, must open gas valve and water intaking valve earlier.When opening water valve, the current inductor is sensed current, initial igniter and microswitch control, ignition combustion device.Combustion gas is in the combustion chamber internal combustion, and the heat of generation heats water by heat exchanger, and hot water flows out continually from delivery port.Because the combustion chamber blow-by of this class water heater, water heater is installed in indoor, and water heater needed oxygen of when burning is also taken from indoor, the waste gas that burning is produced by flue row to outdoor.Fuel gas buring can comprise latent heat two parts of steam in the sensible heat of flue gas and the flue gas for the heat that utilizes, and existing water heater is subjected to the restriction of sensible heat exchanger structure, and exhaust gas temperature height (GB regulation exhaust gas temperature is not less than 110 ℃) can only utilize the sensible heat of flue gas.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of secondary heat exchange type gas heater, this gas heater utilizes the heat of high-temperature flue gas to the cold water preheating one step ahead by condensing heat exchanger, the thermal efficiency than plain edition water heater improves 13%, is a kind of efficient, energy-conservation gas heater.
The utility model is achieved in that a kind of secondary heat exchange type gas heater, comprise shell, burner, sensible heat exchanger, exhaust uptake, water inlet pipe, Gas Pipe, outlet pipe and combustion gas electronics proportioning valve, described exhaust uptake is arranged on the top of shell, described water inlet pipe, Gas Pipe and outlet pipe are arranged on the bottom of shell, Gas Pipe is connected by the fuel gas inlet of air inlet pipeline with burner (2), the heat outlet of burner is connected with the air inlet of sensible heat exchanger, the delivery port of sensible heat exchanger is connected with outlet pipe by outlet pipeline, this gas heater also comprises condensing heat exchanger, described water inlet pipe is connected with the water inlet of condensing heat exchanger by inlet pipeline, the gas outlet of sensible heat exchanger is connected with the air inlet of condensing heat exchanger, the gas outlet of condensing heat exchanger is connected with exhaust uptake, on the condensation-water drain of condensing heat exchanger condensate collector is housed, be connected with the water inlet of sensible heat exchanger after the delivery port parallel connection of the delivery port of condensate collector and condensing heat exchanger, described combustion gas electronics proportioning valve links to each other with air inlet pipeline with inlet pipeline respectively.
Have observation window with the burner corresponding position on the described shell.
Described side wall of outer shell offers louver(-vre).
The utility model secondary heat exchange type gas heater utilizes the heat of high-temperature flue gas to the cold water preheating one step ahead by condensing heat exchanger, utilization efficiency of heat energy is improved greatly, with the natural gas is example, the condensation of combustion product water vapour is emitted heat and is about low-calorie 11%, when exhaust gas temperature is controlled to be 40 ℃, air coefficient is 1.4 o'clock, and the thermal efficiency of the present utility model is up to 98%, the thermal efficiency than plain edition water heater improves 13%, is a kind of efficient, energy-conservation gas heater.
Description of drawings
Fig. 1 looks schematic diagram for the utility model secondary heat exchange type gas heater structure master;
Fig. 2 is the utility model structural upright schematic diagram.
Among the figure: 1 shell, 2 burners, 3 sensible heat exchanger, 4 exhaust uptakes, 5 water inlet pipes, 6 Gas Pipe, 7 outlet pipes, 8 observation windows, 9 louver(-vre)s, 10 combustion gas electronics proportioning valves, 11 condensing heat exchangers, 12 condensate collectors.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model statement, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
As Fig. 1, shown in 2, a kind of secondary heat exchange type gas heater, comprise shell 1, burner 2, sensible heat exchanger 3, exhaust uptake 4, water inlet pipe 5, Gas Pipe 6, outlet pipe 7 and combustion gas electronics proportioning valve 10, described exhaust uptake 4 is arranged on the top of shell 1, described water inlet pipe 5, Gas Pipe 6 and outlet pipe 7 are arranged on the bottom of shell 1, Gas Pipe 6 is connected by the fuel gas inlet of air inlet pipeline with burner 2, the heat outlet of burner 2 is connected with the air inlet of sensible heat exchanger 3, the delivery port of sensible heat exchanger 3 is connected with outlet pipe 7 by outlet pipeline, this gas heater also comprises condensing heat exchanger 11, described water inlet pipe 5 is connected by the water inlet of inlet pipeline with condensing heat exchanger 11, the gas outlet of sensible heat exchanger 3 is connected with the air inlet of condensing heat exchanger 11, the gas outlet of condensing heat exchanger 11 is connected with exhaust uptake 4, condensate collector 12 is housed on the condensation-water drain of condensing heat exchanger 11, be connected with the water inlet of sensible heat exchanger 3 after the delivery port parallel connection of the delivery port of condensate collector 12 and condensing heat exchanger 11, described combustion gas electronics proportioning valve 10 links to each other with air inlet pipeline with inlet pipeline respectively.
The utility model can further describe into, in order to improve the security of water heater, have observation window 8 with burner 2 corresponding positions on the described shell 1, so just can check the working condition of burner at any time, guarantee the safe handling of water heater.
In addition, offer louver(-vre) 9, improve the aeration of burner 2, make burning more complete, improve the thermal efficiency at shell 1 sidewall.
Claims (3)
1. secondary heat exchange type gas heater, comprise shell (1), burner (2), sensible heat exchanger (3), exhaust uptake (4), water inlet pipe (5), Gas Pipe (6), outlet pipe (7) and combustion gas electronics proportioning valve (10), described exhaust uptake (4) is arranged on the top of shell (1), described water inlet pipe (5), Gas Pipe (6) and outlet pipe (7) are arranged on the bottom of shell (1), Gas Pipe (6) is connected by the fuel gas inlet of air inlet pipeline with burner (2), the heat outlet of burner (2) is connected with the air inlet of sensible heat exchanger (3), the delivery port of sensible heat exchanger (3) is connected with outlet pipe (7) by outlet pipeline, it is characterized in that: this gas heater also comprises condensing heat exchanger (11), described water inlet pipe (5) is connected by the water inlet of inlet pipeline with condensing heat exchanger (11), the gas outlet of sensible heat exchanger (3) is connected with the air inlet of condensing heat exchanger (11), the gas outlet of condensing heat exchanger (11) is connected with exhaust uptake (4), condensate collector (12) is housed on the condensation-water drain of condensing heat exchanger (11), be connected with the water inlet of sensible heat exchanger (3) after the delivery port parallel connection of the delivery port of condensate collector (12) and condensing heat exchanger (11), described combustion gas electronics proportioning valve (10) links to each other with air inlet pipeline with inlet pipeline respectively.
2. secondary heat exchange type gas heater as claimed in claim 1 is characterized in that: described shell (1) is gone up and burner (2) corresponding position has observation window (8).
3. secondary heat exchange type gas heater as claimed in claim 1 or 2 is characterized in that: described shell (1) sidewall offers louver(-vre) (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201169911U CN201983415U (en) | 2011-04-12 | 2011-04-12 | Secondary heat exchange type fuel-gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201169911U CN201983415U (en) | 2011-04-12 | 2011-04-12 | Secondary heat exchange type fuel-gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201983415U true CN201983415U (en) | 2011-09-21 |
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ID=44610874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201169911U Expired - Fee Related CN201983415U (en) | 2011-04-12 | 2011-04-12 | Secondary heat exchange type fuel-gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201983415U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589127A (en) * | 2012-04-01 | 2012-07-18 | 谢子番 | Energy-saving gas water heater |
| CN103591681A (en) * | 2013-11-15 | 2014-02-19 | 大连圣鼎工业装备有限公司 | Premixed closed module gas-fired boiler |
| CN104807171A (en) * | 2015-05-12 | 2015-07-29 | 奉化科创科技服务有限公司 | Gas-electric combined type water heater |
| CN108317717A (en) * | 2018-02-23 | 2018-07-24 | 黄超源 | A kind of health water heater |
-
2011
- 2011-04-12 CN CN2011201169911U patent/CN201983415U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589127A (en) * | 2012-04-01 | 2012-07-18 | 谢子番 | Energy-saving gas water heater |
| CN102589127B (en) * | 2012-04-01 | 2013-10-02 | 谢子番 | Energy-saving gas water heater |
| CN103591681A (en) * | 2013-11-15 | 2014-02-19 | 大连圣鼎工业装备有限公司 | Premixed closed module gas-fired boiler |
| CN103591681B (en) * | 2013-11-15 | 2015-12-09 | 大连圣鼎工业装备有限公司 | Premix closed module gas boiler |
| CN104807171A (en) * | 2015-05-12 | 2015-07-29 | 奉化科创科技服务有限公司 | Gas-electric combined type water heater |
| CN108317717A (en) * | 2018-02-23 | 2018-07-24 | 黄超源 | A kind of health water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110921 Termination date: 20120412 |