CN105222347B - Condensed type combustion gas water heater - Google Patents

Condensed type combustion gas water heater Download PDF

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Publication number
CN105222347B
CN105222347B CN201410239093.3A CN201410239093A CN105222347B CN 105222347 B CN105222347 B CN 105222347B CN 201410239093 A CN201410239093 A CN 201410239093A CN 105222347 B CN105222347 B CN 105222347B
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China
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water
condensed
flue gas
water heater
type combustion
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CN105222347A (en
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王晔
李以民
劳春峰
郑涛
李键
姚菲菲
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Haier Group Technology Research and Development Center
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Haier Group Technology Research and Development Center
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Publication of CN105222347A publication Critical patent/CN105222347A/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
    • 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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Abstract

The invention provides a kind of condensed type combustion gas water heater, including flue gas heat exchange chamber and the condensing heat exchanger being arranged in the flue gas heat exchange chamber, the condensed type combustion gas water heater also includes atomising device, for collecting the condensed water from condensing heat exchanger drippage, and by the condensate water atomizing after collecting with the flue gas discharge condensed type combustion gas water heater.The present invention by setting atomising device, make vapor after release latent heat becomes aqueous water again atomization and with flue gas discharge machine outside, prevent under liquid condensation water droplet, make condensed type combustion gas water heater operation relatively reliable.The potential danger that acid condensate water is discharged and brought indoors is avoided simultaneously, there is higher security.The condensed type combustion gas water heater of the present invention no longer needs to set condensate draining pipe, not only attractive in appearance after mounting and easy to use, better user experience.

Description

Condensed type combustion gas water heater
Technical field
The present invention relates to gas heater, more particularly to a kind of condensed type combustion gas water heater.
Background technology
Gas heater is carried out after once exchanging heat, it will usually produces temperature typically in 180 DEG C or so of medium temperature flue gas, medium temperature CO in flue gas2、NOXContent it is higher, and with the higher vapor of heat content, if directly discharge, not only pollutes environment, and And cause substantial amounts of heat energy loss.Condensed type combustion gas water heater carries out secondary heat exchange using condensation heat exchange device, water is carried out pre- Heat, the latent heat of medium temperature flue gas is reclaimed, improves the utilization rate of combustion gas, while substantially reduce the flue-gas temperature outside discharge machine.Due to Vapor in medium temperature flue gas can condense into liquid condensation water, and the CO in flue gas while latent heat is discharged2、NOXDeng sour gas Cognition is dissolved in condensed water so as to make it have corrosivity.Therefore condensed type combustion gas water heater usually requires to set condensate water discharging Pipe, so as to outside acid condensate water discharge machine, and averager is also utilized to remove the corrosivity of condensed water before discharge.It is right In the processing of condensed water, a water container can be placed by user and temporarily stored, periodically outwelled;Or a drainpipe is set to connect To the sewer of user's family.It can be seen that the presence of condensate draining pipe and the discharge of condensed water bring inconvenience to user, And very unsightly.
The content of the invention
It is an object of the present invention to provide a kind of condensed type combustion gas water heater that need not set condensate draining pipe.
The present invention one is further objective is that will cause condensed type combustion gas water heater of the present invention to run relatively reliable, user Using more convenient.
To achieve these goals, the invention provides a kind of condensed type combustion gas water heater, including flue gas heat exchange chamber and The condensing heat exchanger being arranged in the flue gas heat exchange chamber,
The condensed type combustion gas water heater also includes atomising device, for collecting the condensation from condensing heat exchanger drippage Water, and by the condensate water atomizing after collecting with the flue gas discharge condensed type combustion gas water heater.
Alternatively, the atomising device is ultrasonic atomizing device, with using the electronics higher-order of oscillation by the condensed water after collecting Atomization.
Alternatively, the ultrasonic atomizing device includes:
Casing, defines the internal chamber for containing condensed water, and the casing has the condensed water that cooling condensate flows into Entrance and the outlet of the steam discharge formed for condensate water atomizing, the internal chamber of the casing by the condensing water inlet and Outlet and the flue gas heat exchange chamber;
Ultrasonic atomizer, the bottom of the casing is arranged in, for by the condensate water atomizing in the box house chamber.
Alternatively, the casing also includes being arranged on the smoke inlet above water inlet;
The atomising device also includes being arranged in the wind deflector at the top of the smoke inlet, so that the flue gas heat exchange chamber In below the condensing heat exchanger and the neighbouring casing flue gas by the wind deflector from the smoke inlet stream Enter in the box house chamber, enter the cigarette from the box house chamber so as to carry the steam of condensate water atomizing formation Gas heat exchange chamber.
Alternatively, the wind deflector has horizontal part and rake, and the horizontal part at the top of the smoke inlet with being connected.
Alternatively, the atomising device further comprises:
Fan, it is configured to steam after promoting the atomization in the box house chamber and is discharged from the outlet.
Alternatively, the atomising device further comprises:
Liquid level sensor, it is configured to detect the liquid level information of the condensed water in the box house chamber;With
Controller, it is configured to when the liquid level sensor detects that the condensed water liquid level in the box house chamber reaches When setting liquid level, start the ultrasonic atomizer.
Alternatively, the condensing heat exchanger includes heat exchanger tube and be arranged on the outer wall of the heat exchanger tube multiple vertically prolongs The condensing heat-exchange fin stretched,
The outlet is arranged on the horizontal central plane of the condensing heat-exchange fin.
Alternatively, it is described to export the top for being arranged on the condensing heat-exchange fin.
Alternatively, the atomising device further comprises water leg, the lower section of the condensing heat exchanger is arranged on, for receiving Collect the condensed water from condensing heat exchanger drippage;Wherein
One end of the water leg is provided with the collector-shoe gear connected with the condensing water inlet of the casing, for that will catchment Condensed water in groove introduces the box house chamber.
Alternatively, the cabinet arrangement is in the horizontal side of the flue gas heat exchange chamber.
Alternatively, the condensed type combustion gas water heater further comprises:Smoke exhaust pipe, it is cold after being atomized by the atomising device Condensate discharges the condensed type combustion gas water heater with flue gas from the smoke exhaust pipe.
The present invention makes vapor be atomized again and with flue gas after release latent heat becomes aqueous water by setting atomising device Outside discharge machine, prevent under liquid condensation water droplet, make condensed type combustion gas water heater operation relatively reliable.The condensed type combustion gas of the present invention Water heater no longer needs to set condensate draining pipe, not only attractive in appearance after mounting and easy to use, better user experience.
The condensed type combustion gas water heater of the present invention both can guarantee that the very high thermal efficiency, and the discharge that and can solves condensed water is asked Topic.Discharged after the condensate water atomizing of the condensed type combustion gas water heater of the present invention from smoke exhaust pipe with flue gas it is indoor, avoid by The potential danger that acid condensate water is discharged and brought indoors, there is higher security.
According to the accompanying drawings will be brighter to the detailed description of the specific embodiment of the invention, those skilled in the art Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of the present invention are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter. Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these What accompanying drawing was not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is the schematic diagram of condensed type combustion gas water heater according to an embodiment of the invention;
Fig. 2 is the local schematic side elevation of condensed type combustion gas water heater according to an embodiment of the invention;
Fig. 3 is the schematic diagram of atomising device according to an embodiment of the invention;
Fig. 4 is the schematic diagram of atomising device according to an embodiment of the invention.
Embodiment
Fig. 1 is the schematic diagram of condensed type combustion gas water heater according to an embodiment of the invention.Arrow table in figure Show flue gas flow direction.As one skilled in the art will recognize that, the condensed type combustion gas water heater of the embodiment of the present invention with it is existing often Advise the same burner group 8 for also including gas distributor 6 and its top of condensed type combustion gas water heater, main heat exchanger 14 and its top Condensing heat exchanger 18, water inlet pipe 26 and the flow sensor 28 being arranged on water inlet pipe 26, gas inlet pipe 22, gas proportion Valve 24, hot water outlet pipe 2 and the temperature sensor 10 being disposed thereon.Gas distributor 6 and burner group 8 may be arranged at by firing Burn in the combustion chamber that chamber housing 30 limits;Main heat exchanger 14 and condensing heat exchanger 18 may be arranged at by flue gas heat exchange chamber shell In the flue gas heat exchange chamber that body 12 limits.Flue gas heat exchange chamber is arranged on the top of combustion chamber, and its with combustion chamber Portion connects, so as to make high-temperature flue gas in combustion chamber flow into flue gas heat exchange chamber with main heat exchanger 14 and condensing heat exchanger 18 Exchanged heat so that water to be heated.The skilled addressee will appreciate that combustion chamber housing 30 and flue gas heat exchange chamber housing 12 Entirety is may be alternatively provided as, is referred to as burning and flue gas heat exchange chamber housing.
The lower section of combustion chamber housing 30 is provided with blower fan 4, for providing the air of burning for combustion chamber.Blower fan 4 Rotating speed can be adjusted according to gas inlet amount, to control the air capacity into combustion chamber.One end of gas ratio valve 24 and combustion gas Air inlet pipe 22 is connected, and the other end is connected with combustion chamber, for according to design temperature regulating gas air inflow.Combustion gas is by combustion gas Distributor 6 mix after distributing with air, is burnt at burner group 8, and high-temperature flue gas caused by burning is main heat exchanger 14 and cold Solidifying heat exchanger 18 provides thermal source.Smoke exhaust pipe 20 can be provided with flue gas heat exchange chamber housing 12, for arranging the flue gas after heat exchange It is put into outside.
High-temperature flue gas out of combustion chamber out forms medium temperature flue gas after the heat exchange of main heat exchanger 14, is changed again with condensation Hot device 18 is exchanged heat, and during being exchanged heat with condensing heat exchanger 18, the vapor in medium temperature flue gas discharges latent heat and condensed Into liquid condensation water.The present invention will be converged by setting atomising device 16 to collect the condensed water dripped from condensing heat exchanger 18 Condensate water atomizing after collection is with the flue gas discharge condensed type combustion gas water heater.Liquid condensation water is prevented to be dropped in master downwards and change Hot device 14 even in burner group 8, causes to corrode to its surface.By such mode, the condensing of the embodiment of the present invention fires Gas water heater is not required to be provided for corrosive averager of removal condensed water and for condensed water to be discharged outside water heater Condensate draining pipe, the structure of condensing type water heater is simplified, make it easy to install and easy to use.
In one embodiment, atomising device 16 can be ultrasonic atomizing device, after it will be collected using the electronics higher-order of oscillation Condensate water atomizing.In the embodiment shown in fig. 1, ultrasonic atomizing device includes casing 161 and ultrasonic atomizer 162.Casing 161 define the internal chamber for containing condensed water, the condensing water inlet and cooling condensate flowed into thereon with cooling condensate The outlet 164 for the steam discharge that atomization is formed, the internal chamber of casing 161 pass through the condensing water inlet and outlet 164 and institute State flue gas heat exchange chamber.Ultrasonic atomizer 162 is arranged in the bottom of the internal chamber of casing 161, passes through ultrasonic atomizer 162 High-frequency resonant, by the internal chamber of casing 161 liquid condensation water smoke be melted into small molecule steam fog.Because condensed water has corruption Corrosion, in order to avoid ultrasonic atomizer 162 is condensed aqueous corrosion, the atomizing piece of coating stainless steel can be selected in ultrasonic atomizer 162, or The atomizing piece of glass glaze.
The atomising device 16 of the embodiment of the present invention can further comprise that liquid level sensor 163 and controller (do not show in figure Go out).Liquid level sensor 163 is configured to detect the liquid level information of the condensed water in the internal chamber of casing 161;Controller is configured to work as When the liquid level sensor detects that the condensed water liquid level in the box house chamber reaches setting liquid level, start ultrasonic atomizatio Device 162.To prevent the pulse current of circuit start from there is no that on the surface of ultrasonic atomizer 162 in the state of water ultrasonic atomizatio can be burnt out Device 162, when the condensed water liquid level in box house chamber is less than setting liquid level, ultrasonic atomizer 162 does not work.Set liquid level The upper surface for being close to ultrasonic atomizer 162 is set, when the liquid level of the condensed water collected in box house chamber is less than setting liquid Position and when can not start ultrasonic atomizer 162, the condensed water hydrops in box house chamber is less, does not make in the longer term so (such as because user goes on business or travels and causes nobody in family to use water heater) in the case of with condensed type combustion gas water heater, casing A little hydrops in internal chamber can vapor away naturally, so as to which water heater will not be made to produce peculiar smell.
Fig. 2 is the local schematic side elevation of condensed type combustion gas water heater according to an embodiment of the invention.Such as Fig. 2 institutes Show, condensing heat exchanger 18 includes heat exchanger tube 182 and the multiple condensations substantially vertically extended being arranged on the outer wall of heat exchanger tube 182 Heat exchange fin.Wherein, heat exchanger tube 182 connects with water inlet pipe 26.Condensing heat-exchange fin can have inverted trapezoidal structure wide at the top and narrow at the bottom. The base angle of inverted trapezoidal structure is preferably fillet structure.When liquid condensation water condensation is when on condensing heat-exchange fin, have along condensation The angular intermediate flow of two terminal circle of the heat exchange fin bottom trend that distance is dripped still further below a little, without directly in inverted trapezoidal knot Dripped directly down at the base angle of structure.The atomising device of the embodiment of the present invention also includes water leg 169, is arranged on condensing heat exchanger 18 lower section, for collecting the condensed water dripped from condensing heat exchanger 18.The casing 161 of the embodiment of the present invention is preferably placed in institute State the horizontal side of flue gas heat exchange chamber.Water leg 169 is provided with to enter with the condensed water of casing 161 adjacent to one end of casing 161 The collector-shoe gear 166 (referring to Fig. 3 and Fig. 4) of mouth connection, for the condensed water in water leg 169 to be introduced into box house chamber. Collector-shoe gear 166 concretely guiding gutter or mozzle.The bottom surface of water leg 169 can be to be tilted towards dividing into towards condensing water inlet The inclined plane put, in the internal chamber that casing 161 is flowed rapidly into favor of the condensed water being dropped in water leg 169.Water leg 169 bottom surface further preferably has the V-shaped groove of concave structure, for example, opening upwards.
In order to avoid due to water leg 169 is set in the lower section of condensing heat exchanger 18 and cause in flue gas heat exchange chamber with master Medium temperature flue gas after heat exchanger 14 exchanges heat can not be exchanged heat with condensing heat exchanger 18, can be distinguished in the both sides of condensing heat exchanger 18 Exhaust fume collecting hood positioned at the top of water leg 169 is set, former and later two edges of the surface of the exhaust fume collecting hood substantially with condensing heat-exchange fin It is arranged in parallel, and the upper end of exhaust fume collecting hood is connected with the top of flue gas heat exchange chamber housing 12.Exhaust fume collecting hood is provided with and extended transversely Opening 50 exchanged heat so that flue gas from below is entered in exhaust fume collecting hood by opening 50 with condensing heat exchanger 18.In opening 50 Top be provided with deep bead 40, make enter exhaust fume collecting hood in medium temperature flue gas with condensing heat-exchange fin fully contact raising heat exchange imitate Rate, edge of the medium temperature flue gas for preventing from entering in exhaust fume collecting hood along exhaust fume collecting hood are discharged from smoke exhaust pipe 20.
Fig. 3 is the schematic diagram of atomising device according to an embodiment of the invention.In the embodiment shown in Fig. 3 In, casing 161 also includes being arranged on the smoke inlet 167 above condensing water inlet.Atomising device 16 also includes being arranged in flue gas The wind deflector 165 at the top of entrance 167, wind deflector 165 have horizontal part and rake, its horizontal part and the top of smoke inlet 165 Connection.Due to the guide functions of wind deflector, it is located at the lower section of condensing heat exchanger 18 and adjacent to casing 161 in flue gas heat exchange chamber Flue gas can enter in box house chamber from smoke inlet 167, and the condensed water for carrying atomization flows into flue gas heat exchange from outlet 164 The top of chamber, and flowing is continued up so as to be discharged to outdoor by smoke exhaust pipe 20.The outlet 164 of casing 161 may be provided at cold On the horizontal central plane of solidifying heat exchange fin.It will be understood by those skilled in the art that horizontal central plane here refers to wear Cross the horizontal plane at the midpoint of each condensing heat-exchange fin in the height direction.It can so avoid as far as possible after being atomized the atomization of device 16 During steam flows to smoke exhaust pipe 20 from outlet 164, the condensing heat-exchange fin for the heat exchanger 18 that is condensed is condensed into liquid again Condensed water.It may be such that the condensed type combustion gas water heater structure of the embodiment of the present invention is more compact by such setting.Further Ground, outlet 164 are preferably provided at the top of condensing heat-exchange fin, and steam can flow into smoke exhaust pipe along flue gas heat exchange chamber roof edge Discharge water heater with flue gas in 20, the condensing heat-exchange fin of condensing heat exchanger 18 will not be passed through substantially, so as not to again by Condensing heat-exchange fin is condensed into liquid.
Fig. 4 is the schematic diagram of atomising device in accordance with another embodiment of the present invention.In the embodiment shown in Fig. 4 In, casing 161 is not provided with smoke inlet 167.Atomising device 16 can be promoted in the box house chamber by setting up fan 168 Steam after atomization is discharged from outlet 164.When ultrasonic atomizer 162 starts, fan 168 starts simultaneously, and condensed water is ultrasonic After atomizer 162 is atomized, taken away by the air-flow that fan 168 is blown into, and discharged from outlet 164 immediately.Fan 168 may be provided at Export on the outside of 164 relative wall box, the air outlet of fan 168 connects with the internal chamber of casing 161, after avoiding atomization Steam be condensed into condensed water on the surface of fan 168, fan 168 is corroded.
In one embodiment, the casing 161 in atomising device 16 of the invention, the collector-shoe gear 166 of water leg 169 and The grade of deflector 165 can be made up of high temperature resistant, corrosion-resistant material, preferably stainless steel material.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention Example property embodiment, still, still can be direct according to present disclosure without departing from the spirit and scope of the present invention It is determined that or derive many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognized It is set to and covers other all these variations or modifications.

Claims (9)

1. a kind of condensed type combustion gas water heater, including flue gas heat exchange chamber, the condensation that is arranged in the flue gas heat exchange chamber change Hot device and for collecting condensed water from condensing heat exchanger drippage and by the condensate water atomizing after collecting to be arranged with flue gas Go out the atomising device of the condensed type combustion gas water heater, it is characterised in that the atomising device includes:
Casing, define the internal chamber for containing condensed water, and the condensing water inlet and cooling flowed into cooling condensate Condensate is atomized the outlet of the steam to be formed discharge, the internal chamber of the casing by the condensing water inlet and export with it is described Flue gas heat exchange chamber;
Ultrasonic atomizer, the bottom half is arranged in, for by the condensate water atomizing in the box house chamber;With
Water leg, the lower section of the condensing heat exchanger is arranged on, for collecting the condensed water from condensing heat exchanger drippage;Wherein
One end of the water leg is provided with the collector-shoe gear connected with the condensing water inlet of the casing, for by water leg Condensed water introduce the box house chamber;And
The both sides of the condensing heat exchanger are respectively arranged with the exhaust fume collecting hood above the water leg, and exhaust fume collecting hood is offered along horizontal stroke To the opening of extension, changed so that flue gas from below is entered in the exhaust fume collecting hood by the opening with the condensing heat exchanger Heat.
2. condensed type combustion gas water heater according to claim 1, it is characterised in that
The casing also includes being arranged on the smoke inlet above condensing water inlet;
The atomising device also includes being arranged in the wind deflector at the top of the smoke inlet, so that in the flue gas heat exchange chamber Institute is flowed into from the smoke inlet by the wind deflector below the condensing heat exchanger and adjacent to the flue gas of the casing State in box house chamber, changed so as to carry the steam of condensate water atomizing formation from the box house chamber into the flue gas Hot chamber.
3. condensed type combustion gas water heater according to claim 2, it is characterised in that
The wind deflector has horizontal part and rake, and the horizontal part at the top of the smoke inlet with being connected.
4. condensed type combustion gas water heater according to claim 1, it is characterised in that
The atomising device also includes:
Fan, it is configured to promote the steam after being atomized in the box house chamber to be discharged from the outlet.
5. condensed type combustion gas water heater according to claim 1, it is characterised in that
The atomising device further comprises:
Liquid level sensor, it is configured to detect the liquid level information of the condensed water in the box house chamber;With
Controller, it is configured to when the liquid level sensor detects that the condensed water liquid level in the box house chamber reaches setting During liquid level, start the ultrasonic atomizer.
6. condensed type combustion gas water heater according to claim 1, it is characterised in that
The condensing heat exchanger includes heat exchanger tube and the multiple vertically extending condensing heat-exchanges being arranged in the heat exchange pipe outer wall Fin,
The outlet is arranged on the horizontal central plane of the condensing heat-exchange fin.
7. condensed type combustion gas water heater according to claim 6, it is characterised in that
It is described to export the top for being arranged on the condensing heat-exchange fin.
8. condensed type combustion gas water heater according to claim 1, it is characterised in that
The cabinet arrangement is in the horizontal side of the flue gas heat exchange chamber.
9. condensed type combustion gas water heater according to claim 1, it is characterised in that further comprise:
Smoke exhaust pipe, the condensed water after being atomized by the atomising device are discharged the condensing from the smoke exhaust pipe with flue gas and fired Gas water heater.
CN201410239093.3A 2014-05-30 2014-05-30 Condensed type combustion gas water heater Active CN105222347B (en)

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Application Number Priority Date Filing Date Title
CN201410239093.3A CN105222347B (en) 2014-05-30 2014-05-30 Condensed type combustion gas water heater

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Application Number Priority Date Filing Date Title
CN201410239093.3A CN105222347B (en) 2014-05-30 2014-05-30 Condensed type combustion gas water heater

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CN105222347B true CN105222347B (en) 2018-03-16

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105783241A (en) * 2016-04-12 2016-07-20 芜湖美的厨卫电器制造有限公司 Gas water heater
EP3634011B1 (en) * 2017-05-24 2021-01-20 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Electro-acoustic transducer, and electronic device
CN107313984B (en) * 2017-06-30 2023-09-05 广东万家乐燃气具有限公司 Gas water heater and flow guiding device
CN107270526A (en) * 2017-07-31 2017-10-20 周延明 Board-like gas water-heating furnace
CN109631313A (en) * 2018-10-17 2019-04-16 中山市思源电器有限公司 A kind of gas heater using fume afterheat

Citations (4)

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Publication number Priority date Publication date Assignee Title
CN2251692Y (en) * 1995-04-19 1997-04-09 重庆建筑大学 Condensing gas-fired fast water heater
CN2377477Y (en) * 1998-06-12 2000-05-10 胡斌 Heat exchanger assembly having condensed exhaust-heat heat-exchanger
CN2486904Y (en) * 2001-07-25 2002-04-17 王予意 Condensation type gas water heater
JP2006234271A (en) * 2005-02-24 2006-09-07 Gastar Corp Combustion device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2251692Y (en) * 1995-04-19 1997-04-09 重庆建筑大学 Condensing gas-fired fast water heater
CN2377477Y (en) * 1998-06-12 2000-05-10 胡斌 Heat exchanger assembly having condensed exhaust-heat heat-exchanger
CN2486904Y (en) * 2001-07-25 2002-04-17 王予意 Condensation type gas water heater
JP2006234271A (en) * 2005-02-24 2006-09-07 Gastar Corp Combustion device

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Inventor after: Wang Ye

Inventor after: Li Yimin

Inventor after: Lao Chunfeng

Inventor after: Zheng Tao

Inventor after: Li Jian

Inventor after: Yao Feifei

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