Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.To this end, the present invention carries
Going out a kind of catalytic burner, the simple in construction of this catalytic burner, compact, volume is little, uses safety, energy-conserving and environment-protective, user's body
Test.
The present invention also proposes a kind of gas heater with above-mentioned catalytic burner.
The catalytic burner of embodiment according to a first aspect of the present invention, including: burner framework, in described burner frame body
Defining premix chamber, described burner framework has the air inlet and gas outlet turned on described premix chamber;Catalyst converter, described in urge
Changing device be located in described burner framework and be positioned at described gas outlet, described catalyst converter is configured to when temperature exceedes pre-constant temperature
Sustained combustion when spending and have combustion gas and air supply.
Catalytic burner according to embodiments of the present invention, simple in construction, each parts connect reliable, with having in correlation technique
Flame combustion system is compared, and this catalytic burner uses catalysis burning, it is ensured that combustion gas is fully burnt, more energy-conserving and environment-protective, no
Only can reduce the discharge of carbon monoxide and nitrogen oxides, and mitigation of burning, combustion noise are low, safety is higher.This catalysis
The simple in construction of burner, compact, volume is little, uses safety, energy-conserving and environment-protective, and Consumer's Experience is good.
It addition, catalytic burner according to embodiments of the present invention, it is also possible to have a following additional technical characteristic:
According to one embodiment of present invention, described catalyst converter includes matrix and coating catalyst on the matrix,
And it is integrated with preheating section on described catalyst converter.
According to one embodiment of present invention, also include that distribution member, described distribution member are located at described air inlet, described
There is in distribution member dispensing orifice that is multiple arranged spaced apart and that turn on described premix chamber.
According to one embodiment of present invention, described dispensing orifice is that multi-turn is arranged, often circle includes multiple along described distribution member
The described dispensing orifice of circumferentially spaced layout.
According to one embodiment of present invention, multiple described dispensing orifices are that emitting shape is arranged.
According to one embodiment of present invention, the periphery of described distribution member is along being provided with multiple lug, and described distribution member is passed through
Multiple described lugs are detachably connected with described burner framework.
According to one embodiment of present invention, also including: catalyst converter base, described catalyst converter base is located at described burner
In framework and be positioned at described gas outlet;Catalyst converter upper cover, described catalyst converter upper cover be located on described catalyst converter base and with
Limiting the installation cavity for accommodating catalyst converter between catalyst converter base, described catalyst converter upper cover has and turns on described installation cavity
Opening.
According to one embodiment of present invention, described catalyst converter base forms the circumferentially extending ring along described gas outlet
Shape, described catalyst converter upper cover is fitted with described catalyst converter base, is provided with between described catalyst converter base and described burner framework
Adiabatic sealing gasket.
According to one embodiment of present invention, the position of the neighbouring described gas outlet of described 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 described catalyst is modified oxidized
Aluminum, platinum, palladium and ferrum oxide and/or the mixture of ferrum oxide.
The gas heater of embodiment according to a second aspect of the present invention, burns including according to the catalysis described in above-described embodiment
Device.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings.Below with reference to
The embodiment that accompanying drawing describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
1 to Fig. 5 specifically describes the catalytic burner 100 of embodiment according to a first aspect of the present invention below in conjunction with the accompanying drawings.
Catalytic burner 100 according to embodiments of the present invention includes burner framework 11 and catalyst converter 12.Specifically, combustion
Defining premix chamber 1101 in burner framework 11, burner framework 11 has the air inlet 1102 with premix chamber 1101 conducting and goes out
QI KOU 1103, catalyst converter 12 is located in burner framework 11 and is positioned at gas outlet 1103, and catalyst converter 12 is configured to work as temperature
Sustained combustion when exceeding predetermined temperature and have combustion gas and air supply.
In other words, this catalytic burner 100 is mainly made up of burner framework 11 and catalyst converter 12, wherein, and burner frame
Body 11 vertically (above-below direction as shown in figures 1 and 3) extends, and 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 such as, catalyst converter 12 can form the structure corresponding with the shape of gas outlet 1103, is then connected to
On the internal face of burner framework 11, thus ensureing that catalyst converter 12 is connected with the fixing of burner framework 11, catalyst converter 12 is permissible
Forming netted, alveolate texture, when catalytic burner 100 works, air and combustion gas enter premix chamber by air inlet 1102
It is sufficiently mixed in 1101, is then passed through the catalyst converter 12 at gas outlet 1103 and preheats, in the effect of catalyst converter 12
Under, combustion gas and air burning catalysis burning, thus reduce the discharge of carbon monoxide and nitrogen oxides.
Thus, catalytic burner 100 according to embodiments of the present invention, simple in construction, each parts connect reliable, to relevant skill
Flaming combustion mode in art is compared, and this catalytic burner 100 uses catalysis burning, it is ensured that combustion gas is fully burnt, more
Energy-conserving and environment-protective, are possible not only to reduce carbon monoxide and the discharge of nitrogen oxides, and mitigation of burning, combustion noise are low, safety
Higher.The simple in construction of this catalytic burner 100, compact, volume is little, uses safety, energy-conserving and environment-protective, and Consumer's Experience is good.
Wherein, according to one embodiment of present invention, catalyst converter 12 includes matrix and the catalyst being coated on matrix, and
It is integrated with preheating section on catalyst converter 12.
It is to say, catalyst converter 12 is mainly made up of matrix and catalyst, matrix can form netted, alveolate texture,
And being integrated with preheating section on the position of the neighbouring premix chamber 1101 of matrix, 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, when catalyst converter 12, can burn abundant, uniform.
Specifically, combustion gas and air first pass around the preheating on catalyst converter 12 in premix chamber 1101 after fully mixed
Section, under the effect of preheating section, the temperature of catalyst gradually rises, and makes catalyst reach preset temperature (initiation temperature), thus
Catalyst is made to give full play to catalytic function, it is achieved the catalysis burning of combustion gas.
Thus, by being integrated in by preheating section on catalyst converter 12, the volume of burner can be reduced, it is achieved burner light
The purpose quantified, it is ensured that catalyst can reach initiation temperature, so that catalyst can play catalytic function, it is achieved combustion gas
Catalysis burning, compared with the flaming combustion mode in correlation technique, this catalytic burner 100 use catalysis combustion system, no
Only can realize the low emission of carbon monoxide and nitrogen oxides, safety is higher, and can reduce combustion noise, energy-saving ring
Protecting, Consumer's Experience is good.
Alternatively, according to one embodiment of present invention, matrix is foam silicon carbide ceramics, and catalyst is modified oxidized
Aluminum, platinum, palladium and ferrum oxide and/or the mixture of ferrum oxide.
The matrix using foam silicon carbide ceramics to process, not only contributes to the attachment of catalyst, thus increases catalysis
The bond area of agent, and then improve the Catalytic Combustion Effect of combustion gas, but also can time combustion gas and air further when burning
It is sufficiently mixed, it is ensured that combustion gas can sufficiently and uniformly be burnt, furthermore, foam silicon carbide ceramics is high temperature resistant, and intensity is 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
Thinking platinum, palladium, auxiliary agent can be ferrum oxide, ferrum oxide, is coated on matrix after catalyst is made serosity by bonding agent, protects
Card combustion gas can be fully contacted with catalyst, so that the combustion gas in each region of catalyst converter 12 is the most permissible with the gaseous mixture of air
Homogenous combustion, improves the Catalytic Combustion Effect of combustion gas.
Advantageously, according to one embodiment of present invention, catalytic burner 100 also includes that distribution member 15, distribution member 15 are covered
It is located at air inlet 1102, distribution member 15 has multiple arranged spaced apart and with premix chamber 1101 conducting dispensing orifice 151.
In other words, this 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
Causing, distribution member 15 is provided with multiple dispensing orifice 151 arranged spaced apart, and each dispensing orifice 151 turns on premix chamber 1101 respectively,
When combustion gas and air are by distribution member 15, combustion gas and air can be broken up by the multiple dispensing orifices 151 in distribution member 15, thus
Make combustion gas be sufficiently mixed with air, it is ensured that combustion gas is consistent with the ratio of air in zones of different, and then make combustion gas with empty
The gaseous mixture of gas sufficiently and uniformly burns, it is achieved the catalysis of combustion gas burning, is possible not only to reduce carbon monoxide and nitrogen oxides
Discharge, more energy-conserving and environment-protective, and also mitigation of burning, combustion noise are low, and safety 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 dispensing orifice 151 of the circumferentially spaced layout of part 15.Specifically, distribution member 15 can substantially form circular plate, distribution member 15
Being provided with multi-turn dispensing orifice arranged spaced apart 151, the multiple dispensing orifices 151 often enclosed are along its circumferentially spaced layout, advantageously,
Multiple dispensing orifices 151 are evenly arranged, thus ensure that combustion gas can more sufficiently and uniformly mix with air, improve combustion further
Gas burns 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 multicomponent distribution 151, and multicomponent distribution 151 is along the circumferentially spaced layout of distribution member 15, multiple points often organized
Distribution 151 is radially spaced layout along distribution member 15, i.e. the layout density of the dispensing orifice 151 at the middle part of distribution member 15 is closeer,
And the layout density away from center the second dispensing orifice 151 of distribution member 15 is thinner, combustion gas and air respectively by dispensing orifice 151 in
The distribution member 15 that emitting shape is arranged, makes combustion gas and air spread to surrounding from the central position in entering premix chamber 1101, thus enters
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, is possible not only to reduce carbon monoxide and the discharge of nitrogen oxides, and mitigation of burning, combustion noise are low, and safety is higher.
Additionally, according to one embodiment of present invention, the periphery of distribution member 15 is along being provided with multiple lug 152, distribution member 15
It is detachably connected with burner framework 11 by multiple lugs 152.
Specifically, distribution member 15 forms the circle that shape is consistent 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 of distribution member 15 is along being provided with four lugs along its circumferentially spaced layout
152, each lug 152 extending radially outwardly along distribution member 15, distribution member 15 is by multiple lugs 152 and burner framework 11
It is connected, it is ensured that distribution member 15 and the connection reliability of burner framework 11.
Wherein, as shown in Figure 3 and Figure 4, catalytic burner 100 also includes catalyst converter base 13 and catalyst converter upper cover 14, urges
Changing device base 13 be located in burner framework 11 and be positioned at gas outlet 1103, catalyst converter upper cover 14 is located at catalyst converter base 13
Upper and and catalyst converter base 13 between limit the installation cavity for accommodating catalyst converter 12, catalyst converter upper cover 14 has and installation cavity
The opening of conducting.
In other words, this catalytic burner 100 is main by burner framework 11, catalyst converter 12, catalyst converter base 13, catalyst converter
Upper cover 14 forms, 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 and premix chamber 1101 conducting base vent mouth, catalyst converter upper cover 14 be located at catalyst converter base 13 top and with catalysis
Device base 13 is connected, and the middle part of catalyst converter upper cover 14 is provided with upper cover blow vent, between catalyst converter base 13 and catalyst converter upper cover 14
Limiting the installation cavity for accommodating catalyst converter 12, installation cavity turns on base vent mouth and upper cover blow vent respectively.
Thus, catalyst converter 12 is located between catalyst converter base 13 and catalyst converter upper cover 14 installation cavity limited, permissible
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, what catalyst converter base 13 was formed along gas outlet 1103 is circumferentially extending
Annular, catalyst converter upper cover 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
Card sealing therebetween, thus avoid combustion gas in premix chamber 1101 to leak with the gaseous mixture of air, cause combustion gas
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 holding high ignition electrode or inductive needle for Anhui group
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 the gaseous mixture of combustion gas and air can occur catalysis combustion through preheating section
Burn.
Work process below in conjunction with specific embodiment detailed description catalytic burner 100 according to embodiments of the present invention.
As shown in figures 1 and 3, this catalytic burner 100 is main by burner framework 11, catalyst converter 12, catalyst converter base
13, catalyst converter upper cover 14, distribution member 15, sealing gasket 16, ignition electrode/inductive needle composition.
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, it is achieved combustion gas and the uniform distribution of air mixture, it is ensured that arrive catalysis
Combustion gas and the air mixture in each region of device 12 are uniform, it is achieved 12 complete sections of homogenous combustion of catalyst converter.
Catalyst converter 12 is mainly made up of matrix and the catalyst being coated on matrix, and catalyst needs certain initiation temperature
Competence exertion catalytic function, it is achieved catalysis burning, therefore catalyst converter 12 is integrated with naked light preheated burning section, makes on catalyst converter 12
Catalyst preheats.
When catalytic burner 100 works, first ignition electrode/inductive needle realizes igniting, thus to the preheating in catalyst converter 12
Catalyst in section heats, until the temperature of catalyst reaches more than 700 DEG C, then air and combustion gas are passed through respectively into
QI KOU 1102 enters in premix chamber 1101, and in the process, combustion gas can be entered by the distribution member 15 at air inlet 1102 with air
Row is sufficiently mixed, and when the gaseous mixture of combustion gas and air enters in premix chamber 1101, then carries out catalysis combustion by catalyst converter 12
Burn, owing to the temperature of catalyst has reached initiation temperature, therefore can ensure that the catalysis burning of the gaseous mixture of combustion gas and air
Persistently carry out, effectively suppress the generation of nitrogen oxides, catalysis ratio of combustion is relatively complete simultaneously, can reduce carbon monoxide in flue gas
Content, this catalytic burner 100 use catalysis burning, it is ensured that combustion gas is fully burnt, more energy-conserving and environment-protective, is possible not only to
Reduce the discharge (concentration of emission of carbon monoxide and nitrogen oxides is less than 10ppm) of carbon monoxide and nitrogen oxides, and burn
Mitigation, combustion noise low (combustion noise is less than 48dB), safety is higher.It is the simple in construction of this catalytic burner 100, compact,
Volume is little, uses safety, energy-conserving and environment-protective, and Consumer's Experience is good.
1 to Fig. 6 specifically describes the gas heater A of embodiment according to a second aspect of the present invention below in conjunction with the accompanying drawings.
Gas heater A according to embodiments of the present invention includes the catalytic burner 100 according to above-described embodiment.Due to root
According to the catalytic burner 100 of the embodiment of the present invention, there is above-mentioned technique effect, therefore, gas and hot water according to embodiments of the present invention
Device A also has the simple in construction of above-mentioned technique effect, i.e. this gas heater A, compact, and each parts connect reliable, are convenient to mount and dismount,
Volume is little, and operating noise is low, uses safe and reliable, energy-conserving and environment-protective, and Consumer's Experience is good.
Need exist for explanation, due to the combustion gas in catalysis combustion flame low even flameless combustion, with correlation technique
Water heater is compared, and the combustor height of this gas heater A can decline, thus reduces complete machine height, makes gas heater A more
Small and exquisite.
In certain specific embodiments of the invention, gas heater A includes housing 200, catalytic burner 100, wind
Machine 300, gas ratio valve 400 and heat exchanger 500.Specifically, define in housing 200 receiving chamber 21, housing 200 have into
Water interface 22 and water outlet mouthpiece 23, catalytic burner 100 is located in receiving chamber 21, defines premix chamber in catalytic burner 100
1101, catalytic burner 100 has the air inlet 1102 with premix chamber 1101 conducting and gas outlet 1103, sets at gas outlet 1103
Catalyst converter 12, catalyst converter 12 is had to be configured to the sustained combustion when temperature exceedes predetermined temperature and has combustion gas and air supply.
Further, blower fan 300 and air inlet 1102 turn on to carry air, gas ratio valve 400 to premix chamber 1101
Outlet and air inlet 1102 turn on to premix chamber 1101 delivery of fuel gas, heat exchanger 500 be located at burner top and with combustion
The connected heat produced with absorption burner burning of burner, heat exchanger 500 has water inlet and outlet, and water inlet connects with water inlet
Mouth 22 conducting, outlet turns on water outlet mouthpiece 23.
Specifically, as shown in Figure 6, gas heater A is mainly by housing 200, catalytic burner 100, blower fan 300, combustion gas
Proportioning valve 400 and heat exchanger 500 form.Wherein, housing 200 vertically (above-below direction as shown in Figure 6) extends, housing
Defining the receiving chamber 21 extended along its length in 200, the bottom of housing 200 is provided with into water interface 22 and water outlet mouthpiece
23, the bottom accommodated in chamber 21 is provided with blower fan 300, and catalytic burner 100 is located at top and the catalytic burner 100 of blower fan 300
The outlet of air inlet 1102 and blower fan 300, gas ratio valve 400 be located at blower fan 300 side 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, and heat exchanger 500 has and enters
Water interface 22 conducting water inlet and with water outlet mouthpiece 23 conducting outlet.
Blower fan 300 provides air, gas ratio valve 400 to provide combustion gas, is then passed through venturi pre-mixed configuration and carries out injection
After premix, the mixture of combustion gas and air enters catalytic burner 100, after distribution member 15 is distributed, arrives catalytic burner
On the catalyst converter 12 of 100, burning after ignition electrode is lighted a fire, the high-temperature flue gas that burning produces and heat exchanger 500 carry out heat
Amount exchange, thus the water in heating heat exchanger 500, it is ensured that flow out water heater is hot water, the flue gas warp after heat exchanges
Outside after exhaust fume collecting hood 600 is collected, by exhaust opening 61 discharge chamber.
Wherein, the mixture of combustion gas and air combustion process on catalyst converter 12 is: first carry out flaming combustion after igniting,
Catalyst converter 12 is preheated, after the temperature of catalyst converter 12 reaches predetermined temperature, changes combustion gas and the flow of air, make burning
Mode switches to catalysis burning.
Thus, gas heater A according to embodiments of the present invention, simple in construction, compact, each parts connect reliable, volume
Little, combustion gas and air carry out catalysis burning, the carbon monoxide in flue gas after burning and nitrogen oxides in catalytic burner 100
Content less, energy-conserving and environment-protective, use safety, and the mixture combustion of combustion gas and air relax, and advantageously reduces combustion gas heat
The operating noise of hydrophone A.The simple in construction of this gas heater A, compact, each parts connect reliable, are convenient to mount and dismount, operating noise
Low, use safety, energy-conserving and environment-protective, Consumer's Experience is good.
Other of gas heater A according to embodiments of the present invention constitute and operate 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 ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " up time
Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " 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 instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity 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
Individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral;Can be that machinery connects
Connect, it is also possible to be electrical connection or each other can communication;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, permissible
It is connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite 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 " embodiment ", " some embodiments ", example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the 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 in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.