CN106524479A - Gas water heater - Google Patents
Gas water heater Download PDFInfo
- Publication number
- CN106524479A CN106524479A CN201610871768.5A CN201610871768A CN106524479A CN 106524479 A CN106524479 A CN 106524479A CN 201610871768 A CN201610871768 A CN 201610871768A CN 106524479 A CN106524479 A CN 106524479A
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- China
- Prior art keywords
- catalyst converter
- gas
- burner
- combustion
- air
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/107—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using fluid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/12—Radiant burners
- F23D14/18—Radiant burners using catalysis for flameless combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/60—Devices for simultaneous control of gas and combustion air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention discloses a gas water heater. The gas water heater comprises a shell, a catalysis combustor, a draught fan, a gas proportional valve and a heat exchanger. A containing cavity is limited in the shell, and the shell is provided with a water inlet connector and a water outlet connector. The catalysis combustor is arranged in the containing cavity, a pre-mixing cavity is limited in the catalysis combustor, and the catalysis combustor is provided with an air inlet and an air outlet which communicate with the pre-mixing cavity. A catalytic converter is arranged at the position of the air outlet and is constructed to continuously conduct combustion when the temperature exceeds the preset temperature and gas and air are supplied. The draught fan communicates with the air inlet so as to convey air to the pre-mixing cavity. An outlet of the gas proportional valve communicates with the air inlet so as to convey gas to the pre-mixing cavity. The heat exchanger is arranged above the combustor and connected with the combustor so as to absorb heat generated through combustion of the combustor. According to the gas water heater of the embodiment, the structure is simple and compact, the size is small, the content of carbon monoxide and nitric oxide in smoke obtained after combustion is small, energy saving and environment friendliness are achieved, and the work noise is low.
Description
Technical field
The present invention relates to technical field of water heaters, more particularly, to a kind of gas heater.
Background technology
For flaming combustion, i.e., combustion gas and air are not carried out in burner the primary combustion mode that burner is adopted in advance
Mixing, but respectively combustion gas and air are sent in combustion chamber, and burn in mixing wherein, the flame of burning generation compared with
It is long, and have distinct profile, as the activation energy of flaming combustion is higher, burning velocity is slow, and incomplete combustion causes under the thermal efficiency
Drop.Additionally, the gas radiation amount of flaming combustion flame is less, it is mainly main heat transfer type with heat convection, is easily reduced
The utilization rate of the energy.
Furthermore, due to different parts and the difference of air contact burnt, it is easily caused completeness and the temperature of burning
Also it is different, in high-temperature region, as temperature is higher, it is easily caused the generation of NOx pollutants；In low-temperature space, due to burning not
Completely, the harmful substances such as carbon monoxide, hydrocarbon and tar are easily produced.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.For this purpose, the present invention is carried
Go out a kind of gas heater, the simple structure of the gas heater, compact, small volume, operating noise are low, using safety, energy-conservation
Environmental protection, Consumer's Experience are good.
Gas heater according to embodiments of the present invention, including：Housing, defines accommodating chamber, the shell in the housing
Body has water inlet interface and water outlet mouthpiece；Catalytic burner, the catalytic burner are located in the accommodating chamber, the catalysis combustion
Define premix chamber in burner, the catalytic burner with the air inlet and gas outlet turned on the premix chamber, it is described go out
Catalyst converter is provided with gas port, and the catalyst converter is configured to when temperature exceedes predetermined temperature and has combustion gas and air to continue when supplying
Burning；Blower fan, the blower fan turn on to convey air to the premix chamber with the air inlet；Gas ratio valve, the combustion gas
The outlet of proportioning valve is turned on the air inlet with to the premix chamber delivery of fuel gas；Heat exchanger, the heat exchanger are located at described
The top of burner and be connected to absorb the heat that the burner combustion is produced with the burner, the heat exchanger have into
The mouth of a river and delivery port, the water inlet are turned on the water inlet interface, and the delivery port is turned on the water outlet mouthpiece.
Gas heater according to embodiments of the present invention, simple structure, compact, each part connection reliability, small volume, combustion gas
Catalysis burning is carried out with air in catalytic burner, the content of the carbon monoxide in flue gas and nitrogen oxides after burning compared with
It is few, energy-conserving and environment-protective, using safety, and combustion gas is relaxed with the mixture combustion of air, advantageously reduces the work of gas heater
Make noise.The simple structure of the gas heater, compact, each part connection reliability, are convenient to mount and dismount, and operating noise is low, using peace
Entirely, energy-conserving and environment-protective, Consumer's Experience are good.
According to one embodiment of present invention, distribution member is covered with the air inlet, have multiple in the distribution member
Dispensing orifice that is arranged spaced apart and turning on premix chamber.
According to one embodiment of present invention, the dispensing orifice is arranged in multi-turn, and often circle includes multiple along the distribution member
The circumferentially-spaced dispensing orifice for opening arrangement.
According to one embodiment of present invention, multiple dispensing orifices are arranged in emitting shape.
According to one embodiment of present invention, catalytic burner includes：Limit in burner framework, the burner frame body
There are the premix chamber, the air inlet and gas outlet to be located in the burner framework；Catalyst converter, the catalyst converter include matrix
With coating catalyst on the matrix, and preheating section is integrated with the catalyst converter.
According to one embodiment of present invention, the periphery edge of the distribution member is provided with multiple lugs, and the distribution member passes through
Multiple lugs are detachably connected with the burner framework.
According to one embodiment of present invention, catalytic burner also includes：Catalyst converter base, the catalyst converter base are located at
In the burner framework and at the gas outlet；Cover on catalyst converter, on the catalyst converter, housing is located at the catalyst converter
Limit the installation cavity for accommodating catalyst converter on base and between catalyst converter base, cover on the catalyst converter with it is described
The opening of installation cavity conducting.
According to one embodiment of present invention, the catalyst converter base forms the circumferentially extending ring along the gas outlet
Shape, is covered on the catalyst converter and is fitted with the catalyst converter base, is provided between the catalyst converter base and the burner framework
Adiabatic sealing gasket.
According to one embodiment of present invention, the position of the neighbouring described gas outlet of the burner framework is provided with ignition electrode
Or inductive needle.
According to one embodiment of present invention, described matrix is foam silicon carbide ceramics, and the catalyst is modified oxidized
The mixture of aluminium, platinum, palladium and iron oxide and/or iron oxide.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Description of the drawings
Fig. 1 is the stereogram of catalytic burner according to embodiments of the present invention in an angle；
Fig. 2 is the stereogram of catalytic burner according to embodiments of the present invention in another angle；
Fig. 3 is the sectional view of catalytic burner according to embodiments of the present invention；
Fig. 4 is the sectional view in another direction of catalytic burner according to embodiments of the present invention；
Fig. 5 is the structural representation of the distribution member of catalytic burner according to embodiments of the present invention；
Fig. 6 is the structural representation of gas heater according to embodiments of the present invention.
Reference：
A：Gas heater；
100：Catalytic burner；
11：Burner framework；
1101：Premix chamber；1102：Air inlet；1103：Gas outlet；1104：Installing port；
12：Catalyst converter；
13：Catalyst converter base；
14：Cover on catalyst converter；
15：Distribution member；151：Dispensing orifice；152：Lug；
16：Sealing gasket；
200：Housing；21：Accommodating chamber；22：Water inlet interface；23：Water outlet mouthpiece；
300：Blower fan；
400：Gas ratio valve；
500：Heat exchanger；
600：Exhaust fume collecting hood；61：Exhaust opening.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of Description of Drawings is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
1 to Fig. 6 specifically describes gas heater A according to embodiments of the present invention below in conjunction with the accompanying drawings.
Gas heater A according to embodiments of the present invention includes housing 200, catalytic burner 100, blower fan 300, combustion gas ratio
Example valve 400 and heat exchanger 500.Specifically, accommodating chamber 21 is defined in housing 200, and housing 200 has water inlet interface 22 and goes out
Water interface 23, catalytic burner 100 are located in accommodating chamber 21, define premix chamber 1101, catalysis burning in catalytic burner 100
Device 100 is provided with catalyst converter 12, is urged with the air inlet 1102 and gas outlet 1103 that are turned on premix chamber 1101 at gas outlet 1103
Change device 12 and be configured to the sustained combustion when temperature exceedes predetermined temperature and has combustion gas and air to supply.
Further, blower fan 300 turns on to convey air, gas ratio valve 400 to premix chamber 1101 with air inlet 1102
Outlet and air inlet 1102 turn on to 1101 delivery of fuel gas of premix chamber, heat exchanger 500 be located at the top of burner and with combustion
Burner is connected with the heat of absorption burner burning generation, and heat exchanger 500 has water inlet and delivery port, and water inlet is connect with water inlet
Mouth 22 is turned on, and delivery port is turned on water outlet mouthpiece 23.
Specifically, as shown in fig. 6, gas heater A is mainly by housing 200, catalytic burner 100, blower fan 300, combustion gas
Proportioning valve 400 and heat exchanger 500 are constituted.Wherein, vertically (above-below direction as shown in Figure 6) extends housing 200, housing
The accommodating chamber 21 for extending along its length is defined in 200, the bottom of housing 200 is provided with water inlet interface 22 and water outlet mouthpiece
23, the bottom in accommodating chamber 21 is provided with blower fan 300, and catalytic burner 100 is located at the top of blower fan 300 and catalytic burner 100
Air inlet 1102 and blower fan 300 outlet, gas ratio valve 400 be located at the side of blower fan 300 and with air inlet 1102
Conducting, heat exchanger 500 is located at the top of catalytic burner 100 and is connected with catalytic burner 100, heat exchanger 500 with enter
The water inlet and the delivery port with the conducting of water outlet mouthpiece 23 of the conducting of water interface 22.
Blower fan 300 provides air, and gas ratio valve 400 provides combustion gas, then carries out injection through venturi pre-mixed configuration
After premix, the mixture of combustion gas and air enters catalytic burner 100, after distribution member 15 is distributed, reaches catalytic burner
On 100 catalyst converter 12, burnt after pin mark fire of lighting a fire, the high-temperature flue gas for producing that burn carry out heat with heat exchanger 500
Amount is exchanged, so as to the water in heating heat exchanger 500, it is ensured that flow out gas heater A is hot water, the cigarette after heat exchange
Gas discharges outdoor Jing after the collection of exhaust fume collecting hood 600, by exhaust opening 61.
Wherein, combustion process of the mixture of combustion gas and air on catalyst converter 12 is：Flaming combustion is carried out after igniting first,
Catalyst converter 12 is preheated, after the temperature of catalyst converter 12 reaches predetermined temperature, is changed the flow of combustion gas and air, is made burning
Mode switches to catalysis burning.
Thus, gas heater A according to embodiments of the present invention, simple structure, compact, each part connection reliability, volume
Little, combustion gas and air carry out catalysis burning in catalytic burner 100, the carbon monoxide in flue gas and nitrogen oxides after burning
Content it is less, energy-conserving and environment-protective, using safety, and the mixture combustion of combustion gas and air relaxes, and advantageously reduces combustion gas heat
The operating noise of hydrophone A.The simple structure of gas heater A, compact, each part connection reliability, are convenient to mount and dismount, small volume,
Operating noise is low, and using safety, energy-conserving and environment-protective, Consumer's Experience are good.
Explanation is needed exist for, due to the combustion gas being catalyzed in combustion flame low even flameless combustion, with correlation technique
Water heater is compared, and the combustion chamber height of gas heater A can decline, and so as to reduce whole machine height, makes gas heater A more
It is compact.
Wherein, as shown in Figure 1 to Figure 3, catalytic burner 100 includes burner framework 11 and catalyst converter 12.Specifically,
Define premix chamber 1101 in burner framework 11, burner framework 11 with the air inlet 1102 turned on premix chamber 1101 and
Gas outlet 1103, catalyst converter 12 are located in burner framework 11 and are located at gas outlet 1103, and catalyst converter 12 is configured to when temperature
Sustained combustion when degree exceedes predetermined temperature and has combustion gas and air to supply.
In other words, the catalytic burner 100 is mainly made up of burner framework 11 and catalyst converter 12, wherein, burner frame
Vertically (above-below direction as shown in figures 1 and 3) extends body 11, defines top and bottom and open in burner framework 11
The premix chamber 1101 opened, the lower ending opening formation air inlet 1102 of burner framework 11, and the upper end open of burner framework 11
Form gas outlet 1103.
Further, catalyst converter 12 is located at the gas outlet 1103 of burner framework 11, and catalyst converter 12 and burner frame
The internal face of body 11 is connected, and for example, catalyst converter 12 can form structure corresponding with the shape of gas outlet 1103, then be connected to
On the internal face of burner framework 11, so as to ensure being fixedly connected for catalyst converter 12 and burner framework 11, catalyst converter 12 can be with
Netted, alveolate texture is formed, when catalytic burner 100 works, air and combustion gas enter premix chamber by air inlet 1102
It is sufficiently mixed in 1101, then the catalyst converter 12 at the gas outlet 1103 is preheated, in the effect of catalyst converter 12
Under, combustion gas and air burning catalysis burning, so as to reduce the discharge of carbon monoxide and nitrogen oxides.
Thus, catalytic burner 100 according to embodiments of the present invention, simple structure, each part connection are reliable, to related skill
Flaming combustion mode in art is compared, and the catalytic burner 100 is using catalysis burning, it is ensured that combustion gas is fully burnt, more
Energy-conserving and environment-protective, not only can reduce the discharge of carbon monoxide and nitrogen oxides, and burn relax, combustion noise it is low, security
It is higher.The simple structure of the catalytic burner 100, compact, small volume, using safety, energy-conserving and environment-protective, Consumer's Experience are good.
Wherein, according to one embodiment of present invention, catalyst converter 12 includes matrix and the catalyst being coated on matrix, and
Preheating section is integrated with catalyst converter 12.
That is, catalyst converter 12 is mainly made up of matrix and catalyst, matrix can form netted, alveolate texture,
And preheating section is integrated with the position of the neighbouring premix chamber 1101 of matrix, and the catalyst needed for catalysis burning is located at the interior of matrix
On surface, it is ensured that the gaseous mixture of combustion gas and air can burn abundant, uniform when catalyst converter 12.
Specifically, combustion gas first passes around the preheating on catalyst converter 12 in premix chamber 1101 after fully mixed with air
Section, in the presence of preheating section, the temperature of catalyst gradually rises, and makes catalyst reach preset temperature (initiation temperature), so as to
Make catalyst give full play to catalytic function, realize the catalysis burning of combustion gas.
Due to being catalyzed the low even flameless combustion of combustion flame, compared with the gas heater in correlation technique, will preheating
Section is integrated in the volume that can reduce burner on catalyst converter 12, the combustion chamber height of gas heater A is declined, from
And whole machine height is reduced, make gas heater A more compact, realize the light-weighted purpose of burner.
Furthermore, it is ensured that catalyst can reach initiation temperature, so that catalyst can play catalytic function, realize combustion
The catalysis burning of gas, compared with the flaming combustion mode in correlation technique, the catalytic burner 100 adopts catalysis combustion system,
The low emission of carbon monoxide and nitrogen oxides not only can be realized, security is higher, and combustion noise, energy-saving ring can be reduced
Protect, Consumer's Experience is good.
Alternatively, according to one embodiment of present invention, matrix is foam silicon carbide ceramics, and catalyst is modified oxidized
The mixture of aluminium, platinum, palladium and iron oxide and/or iron oxide.
The matrix processed using foam silicon carbide ceramics, not only contributes to the attachment of catalyst, so as to increase catalysis
The bond area of agent, and then improve the Catalytic Combustion Effect of combustion gas, but also can with when combustion gas and air it is further when burning
It is sufficiently mixed, it is ensured that combustion gas sufficiently and uniformly can be burnt, furthermore, foam silicon carbide ceramics high temperature resistant, intensity are high, Ke Yishi
Existing naked light burning.
Further, catalyst is mainly made up of modified aluminas, active component and auxiliary agent, and wherein, active component can
Think platinum, palladium, auxiliary agent can be iron oxide, iron oxide, catalyst is made by bonding agent and be coated in after slurries on matrix, protected
Card combustion gas can be fully contacted with catalyst with the gaseous mixture of air, so that the combustion gas in each region of catalyst converter 12 can be with
Homogenous combustion, improves the Catalytic Combustion Effect of combustion gas.
Advantageously, according to one embodiment of present invention, catalytic burner 100 also includes distribution member 15, and distribution member 15 is covered
It is located at air inlet 1102, there is in distribution member 15 multiple arranged spaced apart and with the conducting of premix chamber 1101 dispensing orifice 151.
In other words, the catalytic burner 100 is mainly made up of burner framework 11, catalyst converter 12 and distribution member 15, wherein,
Distribution member 15 is located at the air inlet 1102 of burner framework 11, and the shape one of the shape of distribution member 15 and air inlet 1102
Cause, distribution member 15 is provided with multiple dispensing orifices 151 arranged spaced apart, and each dispensing orifice 151 is turned on premix chamber 1101 respectively,
When combustion gas and air pass through distribution member 15, combustion gas and air can be broken up by the multiple dispensing orifices 151 in distribution member 15, so as to
Combustion gas is sufficiently mixed with air, it is ensured that the ratio of combustion gas and air is consistent in the zones of different, so make combustion gas with it is empty
The gaseous mixture of gas sufficiently and uniformly burns, and realizes the catalysis burning of combustion gas, not only can reduce carbon monoxide and nitrogen oxides
Discharge, more energy-conserving and environment-protective, and burning relax, combustion noise is low, and security is higher.
Alternatively, according to one embodiment of present invention, dispensing orifice 151 is arranged in multi-turn, and often circle includes multiple along distribution
The circumferentially-spaced dispensing orifice 151 for opening arrangement of part 15.Specifically, distribution member 15 can substantially form circular plate, distribution member 15
Be provided with multi-turn dispensing orifice 151 arranged spaced apart, the multiple dispensing orifices 151 for often enclosing along its it is circumferentially-spaced open arrangement, advantageously,
Multiple dispensing orifices 151 are evenly arranged, and so as to ensure that combustion gas more sufficiently and uniformly can be mixed with air, further improve combustion
Gas is burnt with the catalysis of the gaseous mixture of air.
Advantageously, according to one embodiment of present invention, multiple dispensing orifices 151 are arranged in emitting shape.With reference to Fig. 5, distribution
Part 15 is provided with multigroup dispensing orifice 151, and multigroup dispensing orifice 151 opens arrangement along the circumferentially-spaced of distribution member 15, multiple points of per group
Be radially spaced arrangement of the distribution 151 along distribution member 15, i.e. the arrangement density of the dispensing orifice 151 at the middle part of distribution member 15 are closeer,
And the arrangement density away from the second dispensing orifice of center 151 of distribution member 15 is relatively dredged, combustion gas and air by dispensing orifice 151 are in respectively
The distribution member 15 of emitting shape arrangement, is made combustion gas be entered in premix chamber 1101 with air and is spread to surrounding from the central position, so as to enter
One step ensures that combustion gas can be sufficiently mixed with air, and then improves the catalysis burning of combustion gas and the gaseous mixture of air, more energy-conservation
Environmental protection, not only can reduce the discharge of carbon monoxide and nitrogen oxides, and burn relax, combustion noise it is low, security is higher.
Additionally, according to one embodiment of present invention, the periphery edge of distribution member 15 is provided with multiple lugs 152, distribution member 15
It is detachably connected with burner framework 11 by multiple lugs 152.
Specifically, distribution member 15 forms the consistent circle of shape with air inlet 1102, and the outside dimension of distribution member 15 is big
In the radial dimension equal to air inlet 1102, the periphery edge of distribution member 15 is provided with four along its circumferentially-spaced lug for opening arrangement
152, each extending radially outwardly along distribution member 15 of lug 152, distribution member 15 is by multiple lugs 152 and burner framework 11
It is connected, it is ensured that the connection reliability of distribution member 15 and burner framework 11.
Wherein, as shown in Figure 3 and Figure 4, catalytic burner 100 also includes lid 14 on catalyst converter base 13 and catalyst converter, urges
Change device base 13 to be located in burner framework 11 and be located at gas outlet 1103, on catalyst converter, lid 14 is located at catalyst converter base 13
The installation cavity for accommodating catalyst converter 12 is limited above and between catalyst converter base 13, lid 14 has and installation cavity on catalyst converter
The opening of conducting.
In other words, the catalytic burner 100 is main by burner framework 11, catalyst converter 12, catalyst converter base 13, catalyst converter
Upper lid 14 is constituted, and wherein catalyst converter base 13 is located at the gas outlet 1103 of burner framework 11, the middle part of catalyst converter base 13
Be provided with premix chamber 1101 conducting base vent mouth, on catalyst converter lid 14 be located at catalyst converter base 13 top and with catalysis
Device base 13 is connected, and on catalyst converter, the middle part of lid 14 is provided with lid blow vent, on catalyst converter base 13 and catalyst converter between lid 14
The installation cavity for accommodating catalyst converter 12 is limited, installation cavity is turned on base vent mouth and upper lid blow vent respectively.
Thus, catalyst converter 12 is located at the installation cavity limit between lid 14 on catalyst converter base 13 and catalyst converter, can be with
Ensure the fixed installation of catalyst converter 12, it is ensured that catalyst converter 12 can play one's part to the full in the catalyticing combustion process of combustion gas.
Alternatively, according to one embodiment of present invention, catalyst converter base 13 is formed along the circumferentially extending of gas outlet 1103
Annular, on catalyst converter, lid 14 is fitted with catalyst converter base 13, is provided with thermal insulation between catalyst converter base 13 and burner framework 11
Sealing gasket 16.Thus, by arranging sealing gasket 16, Ke Yibao between the upper surface of catalyst converter base 13 and burner framework 11
, there is leakage so as to avoid the combustion gas in premix chamber 1101 and the gaseous mixture of air, cause combustion gas in card sealing therebetween
Imperfect combustion.
Advantageously, according to one embodiment of present invention, the position of the neighbouring gas outlet 1103 of burner framework 11 is provided with
Ignition electrode or inductive needle.Specifically, the roof of burner framework 11 is provided with the peace for the high ignition electrode of Anhui group or inductive needle
Dress mouth 1104, ignition electrode or inductive needle are arranged adjacent to gas outlet 1103, to realize igniting, make the temperature of the catalyst of catalyst converter 12
Degree reaches preset temperature (initiation temperature), so that combustion gas can occur catalysis combustion when preheating section with the gaseous mixture of air
Burn.
Gas heater A according to embodiments of the present invention and catalytic burner are described in detail with reference to specific embodiment
100 course of work.
As shown in figures 1 and 3, the catalytic burner 100 is main by burner framework 11, catalyst converter 12, catalyst converter base
13rd, lid 14, distribution member 15, sealing gasket 16, ignition electrode/inductive needle composition on catalyst converter.
Wherein, in the installing port 1104 of the diapire that ignition electrode/inductive needle portion dress is arranged on burner framework 11, distribution member 15
It is fixed at the air inlet 1102 of burner framework 11, realizes evenly distributing for combustion gas and air mixture, it is ensured that reaches catalysis
The combustion gas in 12 each region of device and air mixture are uniform, realize 12 full section homogenous combustion of catalyst converter.
Catalyst converter 12 is main to be made up of matrix and the catalyst being coated on matrix, and catalyst needs certain initiation temperature
Competence exertion catalytic function, realizes catalysis burning, therefore catalyst converter 12 is integrated with naked light preheated burning section, makes on catalyst converter 12
Catalyst is preheated.
When gas heater A works, water is passed through by water inlet interface 22 into heat exchanger 500 first, then controller control
Catalytic burner processed 100 is started working, and when catalytic burner 100 is started working, ignition electrode/inductive needle realizes igniting first, from
And the catalyst on the preheating section in catalyst converter 12 is heated, until the temperature of catalyst reaches more than 700 DEG C, Ran Houfeng
Air and combustion gas are passed through in premix chamber 1101 by machine 300 and gas ratio valve 400 respectively respectively by air inlet 1102, here
During, combustion gas can be sufficiently mixed by the distribution member 15 at air inlet 1102 with air, when combustion gas and the mixing of air
When gas is entered in premix chamber 1101, catalysis burning is carried out by catalyst converter 12 then, as the temperature of catalyst has reached
Combustion temperature, therefore can ensure that the catalysis burning of the gaseous mixture of combustion gas and air is persistently carried out, effectively suppress nitrogen oxides
Produce, while it is more complete to be catalyzed ratio of combustion, the content of carbon monoxide in flue gas can be reduced, burn the high-temperature flue gas that produce and change
Hot device 500 carries out heat exchange, so as to the water in heating heat exchanger 500, it is ensured that flow out gas heater A is hot water, passes through
Flue gas after heat exchange discharges outdoor Jing after the collection of exhaust fume collecting hood 600, by exhaust opening 61.
The catalytic burner 100 is using catalysis burning, it is ensured that combustion gas is fully burnt, more energy-conserving and environment-protective, not only may be used
To reduce the discharge (concentration of emission of carbon monoxide and nitrogen oxides is less than 10ppm) of carbon monoxide and nitrogen oxides, and fire
Mitigation, combustion noise low (combustion noise is less than 48dB) is burnt, security is higher.It is the simple structure of the catalytic burner 100, tight
Gather, small volume, using safety, energy-conserving and environment-protective, Consumer's Experience are good.
Thus, gas heater A according to embodiments of the present invention, simple structure, compact, each part connection reliability, volume
Little, combustion gas and air carry out catalysis burning in catalytic burner 100, the carbon monoxide in flue gas and nitrogen oxides after burning
Content it is less, energy-conserving and environment-protective, using safety, and the mixture combustion of combustion gas and air relaxes, and advantageously reduces combustion gas heat
The operating noise of hydrophone A, Consumer's Experience are good.
Other of gas heater A according to embodiments of the present invention are constituted and are operated for those of ordinary skill in the art
For be all known, be not detailed herein.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, rather than indicates or imply that the device or element of indication must
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or it is integral；Can be that machinery connects
Connect, or electrically connect or can communicate each other；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be with
It is connection or the interaction relationship of two elements of two element internals, unless otherwise clearly restriction.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this specification, reference term " one embodiment ", " some embodiments ", example ", " specifically show
Example ", or the description of " some examples " etc. mean specific features with reference to the embodiment or example description, structure, material or spy
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in one or more embodiments or example in an appropriate manner.Additionally, in the case of not conflicting, the skill of this area
The feature of the different embodiments or example described in this specification and different embodiments or example can be tied by art personnel
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of gas heater, it is characterised in that include：
Housing, defines accommodating chamber in the housing, the housing has water inlet interface and water outlet mouthpiece；
Catalytic burner, the catalytic burner are located in the accommodating chamber, define premix chamber, institute in the catalytic burner
Catalytic burner is stated with the air inlet and gas outlet that turn on the premix chamber, catalyst converter at the gas outlet, is provided with, it is described
Catalyst converter is configured to the sustained combustion when temperature exceedes predetermined temperature and has combustion gas and air to supply；
Blower fan, the blower fan turn on to convey air to the premix chamber with the air inlet；
Gas ratio valve, the outlet of the gas ratio valve are turned on the air inlet with to the premix chamber delivery of fuel gas；
Heat exchanger, the heat exchanger are located at the top of the burner and are connected to absorb the burner combustion with the burner
Burn the heat for producing, the heat exchanger has water inlet and delivery port, the water inlet is turned on the water inlet interface, it is described go out
The mouth of a river is turned on the water outlet mouthpiece.
2. according to the gas heater described in claim 1, it is characterised in that be covered with distribution member, institute at the air inlet
State.
3. according to the gas heater described in claim 2, it is characterised in that the dispensing orifice arranges that in multi-turn often circle is wrapped
Include multiple circumferentially-spaced dispensing orifices for opening arrangement along the distribution member.
4. according to the gas heater described in claim 3, it is characterised in that multiple dispensing orifices are arranged in emitting shape.
5. according to the gas heater described in claim 2, it is characterised in that catalytic burner includes：
Burner framework, defines the premix chamber in the burner frame body, the air inlet and gas outlet are located at the combustion
In burner framework；
Catalyst converter, the catalyst converter include matrix and coating catalyst on the matrix, and are integrated with the catalyst converter
Preheating section.
6. according to the gas heater described in claim 5, it is characterised in that the periphery edge of the distribution member is provided with multiple convex
Ear, the distribution member are detachably connected with the burner framework by multiple lugs.
7. according to the gas heater described in claim 5, it is characterised in that catalytic burner also includes：
Catalyst converter base, the catalyst converter base are located in the burner framework and are located at the gas outlet；
Cover on catalyst converter, on the catalyst converter, housing is located on the catalyst converter base and limits use between catalyst converter base
In the installation cavity for accommodating catalyst converter, cover on the catalyst converter with the opening turned on the installation cavity.
8. according to the gas heater described in claim 7, it is characterised in that the catalyst converter base is formed along the outlet
Mouthful circumferentially extending annular, cover on the catalyst converter and fit with the catalyst converter base, the catalyst converter base and the combustion
Adiabatic sealing gasket is provided between burner framework.
9. according to the gas heater described in claim 5, it is characterised in that the neighbouring described outlet of the burner framework
The position of mouth is provided with ignition electrode or inductive needle.
10. according to the gas heater described in claim 5, it is characterised in that described matrix is foam silicon carbide ceramics, institute
Catalyst is stated for modified aluminas, platinum, palladium and iron oxide and/or the mixture of iron oxide.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111145920.9A CN113983681A (en) | 2016-09-30 | 2016-09-30 | Gas water heater |
| CN201610871768.5A CN106524479A (en) | 2016-09-30 | 2016-09-30 | Gas water heater |
| PCT/CN2017/079173 WO2018058929A1 (en) | 2016-09-30 | 2017-03-31 | Gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610871768.5A CN106524479A (en) | 2016-09-30 | 2016-09-30 | Gas water heater |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111145920.9A Division CN113983681A (en) | 2016-09-30 | 2016-09-30 | Gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106524479A true CN106524479A (en) | 2017-03-22 |
Family
ID=58331255
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111145920.9A Pending CN113983681A (en) | 2016-09-30 | 2016-09-30 | Gas water heater |
| CN201610871768.5A Pending CN106524479A (en) | 2016-09-30 | 2016-09-30 | Gas water heater |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111145920.9A Pending CN113983681A (en) | 2016-09-30 | 2016-09-30 | Gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN113983681A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871120A (en) * | 2017-03-31 | 2017-06-20 | 芜湖美的厨卫电器制造有限公司 | Burner assembly and the gas heater with it |
| WO2018058929A1 (en) * | 2016-09-30 | 2018-04-05 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| CN109425115A (en) * | 2017-08-31 | 2019-03-05 | 芜湖美的厨卫电器制造有限公司 | A kind of chamber structure and gas heater |
| CN109838887A (en) * | 2017-11-28 | 2019-06-04 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN110887234A (en) * | 2018-09-07 | 2020-03-17 | 芜湖美的厨卫电器制造有限公司 | Combustor subassembly and water heater |
| CN112393241A (en) * | 2019-08-14 | 2021-02-23 | 红热燃烧科技(大连)有限公司 | Flameless combustion engine and control method thereof |
| CN113137751A (en) * | 2020-01-20 | 2021-07-20 | 芜湖美的厨卫电器制造有限公司 | Heat exchanger and combustion heat exchange equipment with same |
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| WO2018058929A1 (en) * | 2016-09-30 | 2018-04-05 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| CN106871120A (en) * | 2017-03-31 | 2017-06-20 | 芜湖美的厨卫电器制造有限公司 | Burner assembly and the gas heater with it |
| CN109425115A (en) * | 2017-08-31 | 2019-03-05 | 芜湖美的厨卫电器制造有限公司 | A kind of chamber structure and gas heater |
| CN109425115B (en) * | 2017-08-31 | 2024-02-23 | 芜湖美的厨卫电器制造有限公司 | Combustion chamber structure and gas water heater |
| CN109838887A (en) * | 2017-11-28 | 2019-06-04 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN110887234A (en) * | 2018-09-07 | 2020-03-17 | 芜湖美的厨卫电器制造有限公司 | Combustor subassembly and water heater |
| CN110887234B (en) * | 2018-09-07 | 2024-04-16 | 芜湖美的厨卫电器制造有限公司 | Burner assembly and water heater |
| CN112393241A (en) * | 2019-08-14 | 2021-02-23 | 红热燃烧科技(大连)有限公司 | Flameless combustion engine and control method thereof |
| CN113137751A (en) * | 2020-01-20 | 2021-07-20 | 芜湖美的厨卫电器制造有限公司 | Heat exchanger and combustion heat exchange equipment with same |
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| CN113983681A (en) | 2022-01-28 |
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Application publication date: 20170322 |
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