CN207299482U - Gas heater - Google Patents
Gas heater Download PDFInfo
- Publication number
- CN207299482U CN207299482U CN201720945626.9U CN201720945626U CN207299482U CN 207299482 U CN207299482 U CN 207299482U CN 201720945626 U CN201720945626 U CN 201720945626U CN 207299482 U CN207299482 U CN 207299482U
- Authority
- CN
- China
- Prior art keywords
- gas
- catalytic
- burner
- gas heater
- combustion system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000007789 gas Substances 0.000 claims abstract description 128
- 230000003197 catalytic effect Effects 0.000 claims abstract description 101
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 52
- 230000000977 initiatory effect Effects 0.000 claims abstract description 36
- 238000007084 catalytic combustion reaction Methods 0.000 claims abstract description 31
- 239000002737 fuel gas Substances 0.000 claims abstract description 24
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 230000008676 import Effects 0.000 claims abstract description 3
- 239000000567 combustion gas Substances 0.000 claims description 28
- 239000011159 matrix material Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 239000003517 fume Substances 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- 239000003546 flue gas Substances 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 239000003054 catalyst Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 229910000510 noble metal Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The utility model discloses a kind of gas heater, including：Housing, housing are equipped with fuel gas inlet, air intlet and exhanst gas outlet；Catalytic combustion system, catalytic combustion system is connected with fuel gas inlet, air intlet and exhanst gas outlet respectively, catalytic combustion system be located at burning import, air intlet downstream and positioned at exhanst gas outlet upstream, catalytic combustion system includes multiple catalytic burners, gas passes sequentially through multiple catalytic burners, wherein on the flow direction of gas, the initiation temperature of multiple catalytic burners increases successively.Gas heater according to the present utility model, can save the gas preheating time of gas heater so that normal operating conditions can quickly be entered by obtaining gas heater, to improve the work efficiency of gas heater.And it can realize layering catalysis burning so that fuel gas buring is more abundant, to reduce the discharge of harmful substance, improves energy utilization rate.
Description
Technical field
It the utility model is related to household electrical appliance technical field, more particularly to a kind of gas heater.
Background technology
The gas heater of correlation technique, flameless combustion is realized by catalytic burner, necessary before catalysis burning is carried out
To be equipped with preheating section, due to only one of catalytic burner and initiation temperature it is higher, it is necessary to be heated gas by default section
Lead to catalytic burner after to higher temperature, cause preheating time longer, the work efficiency of gas heater is slow, and combustion gas
Burn insufficient, utilization rate is low.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this reason, this reality
With a kind of gas heater of new proposition, preheating time during fuel gas buring can be reduced so that gas heater can be quick
Into working status, and combustion gas is fully burnt, to reduce the discharge of harmful substance, improve energy utilization rate.
Gas heater according to the present utility model, including：Housing, the housing are equipped with fuel gas inlet, air intlet
And exhanst gas outlet；Catalytic combustion system, the catalytic combustion system respectively with the fuel gas inlet, the air intlet and described
Exhanst gas outlet connect, the catalytic combustion system be located at it is described burning import, the air intlet downstream and be located at the cigarette
The upstream of gas outlet, the catalytic combustion system include multiple catalytic burners, and gas passes sequentially through multiple catalysis burnings
Device, wherein on the flow direction of gas, the initiation temperature of multiple catalytic burners increases successively.
According to the gas heater of the utility model embodiment, by setting multiple catalytic burners, wherein adjacent to combustion gas
The initiation temperature of the catalytic burner of outlet and air intlet sets relatively low, combustion gas and the preheating time phase of air and mixed gas
To shorter, so as to save the gas preheating time of gas heater so that gas is rapidly reached initiation temperature, so that combustion
Gas water heater can quickly enter normal operating conditions, to improve the work efficiency of gas heater.
And can realize layering catalysis burning, so as to improve the efficiency of combustion of combustion gas so that fuel gas buring more fills
Point, to reduce the discharge of harmful substance, improve energy utilization rate.At the same time so that multiple catalytic burner initiation temperatures are relatively existing
The initiation temperature of the catalytic burner of technology is set lower, and catalytic burner initiation temperature is lower, the catalysis of catalytic burner
The content demand of noble metal is higher in agent, thus, ensure catalytic burner performance on the premise of, layering catalysis burning so as to
The use of noble metal can be reduced, reduces the cost of catalytic burner.
In addition, gas heater according to the present utility model can also have technical characteristic additional as follows：
Some embodiments according to the present utility model, each catalytic burner include：Burner framework；It is catalyzed base
Body, the catalysis matrix are located in the burner frame body, and multiple flowing sides along the gas are equipped with the catalysis matrix
To perforative venthole；Stent, the catalysis matrix are installed in the burner framework by the stent.
Alternatively, the catalytic burner further includes：Heat-proof device, the heat-proof device be located at the burner framework and
Between the catalysis matrix.
Alternatively, the burner framework of the adjacent catalytic burner is connected with each other.
Further, the burner framework is equipped with the flange along its circumferentially extending, and the flange is equipped with screw hole,
It is connected by screw between the burner framework of the adjacent catalytic burner.
Some embodiments according to the present utility model, the catalytic combustion system include：First catalytic burner, described
The initiation temperature of one catalytic burner is T1；Second catalytic burner, the initiation temperature of second catalytic burner are T2, gas
Body passes sequentially through first catalytic burner and second catalytic burner, wherein the ignition of first catalytic burner
The initiation temperature T2 of temperature T1 and second catalytic burner meets：T1 ＜ T2.
Some embodiments according to the present utility model, the gas heater further include：Preheating device, shape in the housing
Into there is mixing chamber, the mixing chamber is connected with the fuel gas inlet, the gas outlet and the catalytic combustion system respectively,
The preheating device, which is located in the mixing chamber, to be used to preheat the gas for flowing to the catalytic burner.
Some embodiments according to the present utility model, the housing include exhaust fume collecting hood, and the exhanst gas outlet is located at the collection
On petticoat pipe.
Some embodiments according to the present utility model, the gas heater further include：Heat-exchanger rig, the heat-exchanger rig
Equipped with cooling water inlet and hot water outlet, the heat-exchanger rig is located between the catalytic combustion system and the exhanst gas outlet.
Some embodiments according to the present utility model, the air intlet are connected with wind turbine, the fuel gas inlet and combustion gas
Valve is connected.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly by from following description
In become obvious, or recognized by the practice of the utility model.
Brief description of the drawings
Fig. 1 is the structure diagram according to the gas heater of the utility model embodiment；
Fig. 2 is the sectional view according to the catalytic burner of the gas heater of the utility model embodiment；
Fig. 3 is the top view according to the catalytic burner of the gas heater of the utility model embodiment.
Reference numeral：
100：Gas heater；
1：Catalytic combustion system, 11：Catalytic burner, 11a：First catalytic burner, 11b：Second catalytic burner,
12：Burner framework, 121 flange, 122：Screw hole, 13：Catalysis matrix, 131：Venthole, 14：Heat-proof device, 15：Stent；
2：Housing, 21：Fuel gas inlet, 22：Air intlet, 23：Exhanst gas outlet, 24：Mixing chamber；
3：Wind turbine；
4：Gas valve；
5：Heat exchanger, 51：Cooling water inlet, 52：Hot water outlet；
6：Exhaust fume collecting hood.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The limitation of type.
In the description of the utility model, it is to be understood that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom " " interior ", " outer " be based on orientation shown in the drawings or
Position relationship, is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified device or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the utility model, " multiple " are meant that at least two, such as two
It is a, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or be electrically connected or can communicate each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, can be the interaction relationship of connection inside two elements or two elements, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
Below with reference to the accompanying drawings gas heater 100 according to the utility model embodiment is described.
As shown in Figure 1-Figure 3, housing 2 is included according to the gas heater 100 of the utility model embodiment and catalysis is burnt
Device 1.
Specifically, housing 2 is equipped with fuel gas inlet 21, air intlet 22 and exhanst gas outlet 23, and gas heater 100 works
When, air enters in housing 2 from air intlet 22, and combustion gas enters in housing 2 from fuel gas inlet 21, and combustion gas and air are in housing 2
The flue gas formed after interior mixed combustion is discharged from exhanst gas outlet 23.
Catalytic combustion system 1 is connected with fuel gas inlet 21, air intlet 22 and exhanst gas outlet 23 respectively, catalytic combustion system
1 be located at fuel gas inlet 21, air intlet 22 downstream and positioned at exhanst gas outlet 23 upstream, thus, combustion gas and air mixing after
Gas first pass around catalytic combustion system 1 catalysis burning, finally discharged from exhanst gas outlet 23.Pass through 1 energy of catalytic combustion system
The efficiency of combustion of gas-air and combustion gas is enough improved, so as to improve the utilization rate of combustion gas so that combustion gas can fully burn, and reduce
The discharge of pernicious gas.
Catalytic combustion system 1 can include multiple catalytic burners 11, and gas passes sequentially through multiple catalytic burners 11, changes
Yan Zhi, catalytic burner 11 can be two or more, for example, catalytic burner 11 can be divided into two, three or
Four etc..Multiple catalytic burners 11 are arranged in order in gas flow direction, and the mixed gas of air and combustion gas passes sequentially through more
A catalytic burner 11 carries out catalysis burning, so as to fulfill the stratified combustion of gas heater 100, to further improve combustion gas
Efficiency of combustion, improves combustion gas utilization rate, reduces the discharge of harmful substance, and the direction of arrow as shown in Figure 1 is the flowing of gas
Direction.
Wherein on the flow direction of gas, the initiation temperature of multiple catalytic burners 11 increases successively.It is that is, adjacent
The catalysis that the initiation temperature of the catalytic burner 11 of nearly fuel gas inlet 21 and air intlet 22 is less than neighbouring exhanst gas outlet 23 is burnt
The initiation temperature of device 11, on the direction of gas flow exhanst gas outlet 23, the initiation temperature of multiple catalytic burners 11 is different
And the initiation temperatures of multiple catalytic burners 11 increase successively.It should be noted that initiation temperature, that is, critical-temperature here,
Catalysis burning can be carried out when reaching initiation temperature by the temperature of the combustion gas of catalytic burner 11 and the mixed gas of air.
Thus, according to the gas heater 100 of the utility model embodiment, by setting multiple catalytic burners 11, its
In the initiation temperature of catalytic burner 11 of neighbouring gas outlet and air intlet 22 relatively low, combustion gas and air and gaseous mixture are set
The preheating time of body is relatively short, so as to save the gas preheating time of gas heater 100 so that gas has been rapidly reached
Temperature is fired, so that gas heater 100 can quickly enter normal operating conditions, to improve gas heater 100
Work efficiency.
Specifically, after gas temperature reaches the initiation temperature of first catalysis water heater, combustion gas and air pass through first
After catalytic burner 11 burns, the initiation temperature cocurrent of next catalytic burner 11 is reached after temperature rise to next catalysis
Burner 11 to carry out catalysis burning, and so on, gas passes sequentially through multiple catalytic burners 11 and carries out catalysis burning, with reality
Now layering catalysis burning, so as to improve the efficiency of combustion of combustion gas so that fuel gas buring is more abundant, to reduce harmful substance
Discharge, improves energy utilization rate.
And by being layered catalysis burning, it may be such that the catalysis of multiple 11 initiation temperatures of catalytic burner compared with the prior art
The initiation temperature of burner 11 is set lower, and 11 initiation temperature of catalytic burner is lower, in the catalyst of catalytic burner 11
The content demand of noble metal is higher, thus, ensure catalytic burner 11 performance on the premise of, layering catalysis burning so as to
The use of noble metal is enough reduced, reduces the cost of catalytic burner 11.
Some embodiments according to the present utility model, each catalytic burner 11 include burner framework 12, catalysis matrix
13 and stent 15, catalysis matrix 13 is located in burner framework 12, and multiple flow directions along gas are equipped with catalysis matrix 13
Perforative venthole 131.
Specifically, burner framework 12 is formed as the shell of catalytic burner 11, and installation is equipped with burner framework 12
Space, catalysis matrix 13 are located in installation space, and catalysis matrix 13 is equipped with catalyst and burns for catalysis, for example, catalysis
Matrix 13 can include carrier and catalyst, and catalyst is located on carrier, and catalysis matrix 13 is equipped with multiple ventholes 131, fires
The mixed gas of gas and air is circulated by multiple ventholes 131, so as to can not only increase gas and catalytic burner 11
Contact area, the efficiency for being catalyzed burning is improved to realize, and can be so that burning is more uniformly abundant.Catalysis matrix 13 passes through
Stent 15 is installed in burner framework 12, so as to can realize that catalysis matrix 13 and the installation of burner framework 12 are assembled so that
Being catalyzed matrix 13 can securely be installed in burner framework 12.
Alternatively, as shown in Fig. 2, catalytic burner 11 can also include heat-proof device 14, heat-proof device 14 is located at burning
Between device framework 12 and catalysis matrix 13.Thus, can be by between burner framework 12 and catalysis matrix 13 by heat-proof device 14
It is spaced apart, prevents the heat transfer of catalysis matrix 13 from damaging burner framework 12 to burner framework 12, prevented also from catalysis
The heat that matrix 13 is catalyzed during burning is passed out by burner framework 12 to cause the damage of other components in gas heater 100
It is bad.Further, heat-proof device 14 can be heat insulating mattress so that burner framework 12 and catalysis matrix 13 to be spaced apart.
Alternatively, the burner framework 12 of adjacent catalyst burner 11 is connected with each other.In other words, multiple catalytic burners 11
It is sequentially connected, is connected between two associated catalytic burners 11 by the burner framework 12 of its own, so that multiple urge
Change burner 11 connects even closer so that 100 structure of gas heater is more reasonable.Further, adjacent catalyst burns it
Between can be detachably connected by the burner framework 12 of its own, so as to facilitate the installing and dismounting of multiple catalytic burners 11,
Be conducive to the maintenance or replacement of catalytic burner 11.
The flange along its circumferentially extending can be equipped with some specific examples of the utility model, in burner framework 12
121, flange 121 is equipped with screw hole 122, is connected by screw between the burner framework 12 of adjacent catalyst burner 11.From
And the installation of multiple catalytic burners 11 is facilitated to assemble.In example as shown in Figure 3, set in the convenience in burner framework 12
It is equipped with multiple screw holes 122, can be connected between the burning framework between adjacent catalyst burner 11 by multiple screws, so that not
Only facilitate the installation of multiple catalytic burners 11 to assemble, and enable to assemble between multiple catalytic burners 11 and more stablize
Reliably.
In some embodiments of the utility model, catalytic combustion system 1 can include the first catalytic burner 11a and the
The initiation temperature of two catalytic burner 11b, the first catalytic burner 11a is T1；The initiation temperature of second catalytic burner 11b is
T2, gas pass sequentially through the first catalytic burner 11a and the second catalytic burner 11b, wherein the first catalytic burner 11a's rises
The initiation temperature T2 for firing temperature T1 and the second catalytic burner 11b meets：T1 ＜ T2.As shown in Figure 1, the first catalytic burner
11a is located at the lower section of the second catalytic burner 11b, and the first catalysis burning is connected with air intlet 22 and fuel gas inlet 21, and second
Catalytic burner 11b is connected with the first catalytic burner 11a and exhanst gas outlet 23 respectively.Thus, combustion gas and air themperature reach
During initiation temperature T1, catalysis burning is carried out by the first catalytic burner 11a, the mixed gas temperature rise after burning reaches
T2, and flow to the second catalytic burner 11b and carry out catalysis burning, pass through the first catalytic burner 11a and the second catalytic burner
The cooperation of 11b is catalyzed burning so as to fulfill the layering of gas heater 100.In a specific example of the utility model, the
The initiation temperature of one catalytic burner 11a can be 100-300 DEG C, and the second catalytic burner 11b initiation temperatures can be 300-
500℃。
In some embodiments of the utility model, gas heater 100 can also include preheating device (not shown),
It is connected respectively with fuel gas inlet 21, air intlet 22 and catalytic combustion system 1 formed with mixing chamber 24, mixing chamber 24 in housing 2
Logical, preheating device, which is located in mixing chamber 24, to be used to preheat the gas for flowing to catalytic burner 11.Thus, combustion gas and air
Can in the mixing chamber 24 to be sufficiently mixed so that combustion gas and air can burn more fully, pass through default dress
Mixed gas can be preset by putting, with reach catalytic burner 11 rise right temperature after flow to catalytic combustion system 1 into
Row catalysis burning, so as to fulfill the flameless combustion of gas heater 100.
Alternatively, can be thermocouple with thermal, thermocouple is located in mixing chamber 24, and thermocouple can be to mixing after being powered
Gas in chamber 24 is heated, and wherein thermocouple can be set adjacent to catalytic combustion system 1, so that can after gas heating
Quickly enter catalytic combustion system 1 and carry out catalysis burning.
In other embodiments of the utility model, in neighbouring fuel gas inlet 21 and the catalytic burner of air intlet 22
When 11 initiation temperature sets relatively low, preheating catalytic burner 11 can be used as, so as to substitute the gas heater 100 of correlation technique
Pre-heating system, to save the space of gas heater 100 so that gas heater 100 design it is compacter, be laid out more adduction
Reason.
In some embodiments of the utility model, housing 2 can include exhaust fume collecting hood 6, and exhanst gas outlet 23 is located at exhaust fume collecting hood 6
On.As shown in Figure 1, exhaust fume collecting hood 6 is located at the top of catalytic combustion system 1, the flue gas flow direction exhaust fume collecting hood 6 after catalysis burning produces converges
Discharged after poly- from exhanst gas outlet 23, so as to be conducive to the discharge of flue gas.
As shown in Figure 1, gas heater 100 further includes heat-exchanger rig 5, heat-exchanger rig 5 is equipped with cooling water inlet 51 and hot water
Outlet 52, heat-exchanger rig 5 is located between catalytic combustion system 1 and exhanst gas outlet 23.Thus, cold water enters from cooling water inlet 51 and changes
Thermal 5, the high-temperature flue gas after catalysis burning flows to heat-exchanger rig 5, from exhanst gas outlet after exchanging heat with the cold water in heat-exchanger rig 5
23 discharges, cold water is with becoming hot water after high-temperature flue gas heat exchange and being flowed out from hot water outlet 52 with for users to use.
In some embodiments of the utility model, as shown in Figure 1, air intlet 22 is connected with wind turbine 3, fuel gas inlet 21
It is connected with gas valve 4.Thus, by wind turbine 3 and gas valve 4 can be provided into gas heater 100 burning need air and
Air outside gas heater 100, specifically, can be pumped into gas heater 100, passes through gas valve 4 by combustion gas by wind turbine 3
The break-make of controllable combustion gas, when gas and hot water works, can open wind turbine 3 and gas valve 4 so that combustion gas and air enter combustion
Burn in gas water heater 100, wherein the flow of combustion gas can also be controlled by gas valve 4, and then controllable gas and hot water
Air-fuel ratio when device 100 burns.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
Combine in an appropriate manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this area
Technical staff can by the different embodiments or example described in this specification and different embodiments or exemplary feature into
Row combines and combination.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to the limitation to the utility model is interpreted as, those of ordinary skill in the art are in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (10)
- A kind of 1. gas heater, it is characterised in that including：Housing, the housing are equipped with fuel gas inlet, air intlet and exhanst gas outlet；Catalytic combustion system, the catalytic combustion system go out with the fuel gas inlet, the air intlet and the flue gas respectively Mouthful connection, the catalytic combustion system be located at the fuel gas inlet, the air intlet downstream and be located at the exhanst gas outlet Upstream, the catalytic combustion system includes multiple catalytic burners, and gas passes sequentially through multiple catalytic burners, wherein On the flow direction of gas, the initiation temperature of multiple catalytic burners increases successively.
- 2. gas heater according to claim 1, it is characterised in that each catalytic burner includes：Burner framework；Matrix is catalyzed, the catalysis matrix is located in the burner frame body, is equipped with the catalysis matrix multiple along the gas The perforative venthole in flow direction of body；Stent, the catalysis matrix are installed in the burner framework by the stent.
- 3. gas heater according to claim 2, it is characterised in that further include：Heat-proof device, the heat-proof device are set Between the burner framework and the catalysis matrix.
- 4. gas heater according to claim 2, it is characterised in that the burner of the adjacent catalytic burner Framework is connected with each other.
- 5. gas heater according to claim 4, it is characterised in that the burner framework is equipped with prolongs along its circumferential direction The flange stretched, the flange are equipped with screw hole, pass through screw between the burner framework of the adjacent catalytic burner Connection.
- 6. gas heater according to claim 1, it is characterised in that the catalytic combustion system includes：First catalytic burner, the initiation temperature of first catalytic burner is T1；Second catalytic burner, the initiation temperature of second catalytic burner is T2, and gas passes sequentially through first catalysis Burner and second catalytic burner, wherein the initiation temperature T1 of first catalytic burner and the second catalysis combustion The initiation temperature T2 of burner meets：T1 ＜ T2.
- 7. gas heater according to claim 1, it is characterised in that further include：Preheating device, the housing is interior to be formed There is mixing chamber, the mixing chamber is connected with the fuel gas inlet, the air intlet and the catalytic combustion system respectively, institute State preheating device and be located in the mixing chamber and be used to preheat the gas for flowing to the catalytic burner.
- 8. gas heater according to claim 1, it is characterised in that the housing includes exhaust fume collecting hood, and the flue gas goes out Mouth is located on the exhaust fume collecting hood.
- 9. gas heater according to claim 1, it is characterised in that further include：Heat-exchanger rig, the heat-exchanger rig are set There are cooling water inlet and hot water outlet, the heat-exchanger rig is located between the catalytic combustion system and the exhanst gas outlet.
- 10. gas heater according to claim 1, it is characterised in that the air intlet is connected with wind turbine, the combustion Gas import is connected with gas valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720945626.9U CN207299482U (en) | 2017-07-31 | 2017-07-31 | Gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720945626.9U CN207299482U (en) | 2017-07-31 | 2017-07-31 | Gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207299482U true CN207299482U (en) | 2018-05-01 |
Family
ID=62447973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720945626.9U Withdrawn - After Issue CN207299482U (en) | 2017-07-31 | 2017-07-31 | Gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207299482U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323443A (en) * | 2017-07-31 | 2019-02-12 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
-
2017
- 2017-07-31 CN CN201720945626.9U patent/CN207299482U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323443A (en) * | 2017-07-31 | 2019-02-12 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN109323443B (en) * | 2017-07-31 | 2024-04-12 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
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Effective date of registration: 20230606 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East District, Wuhu economic and Technological Development Zone, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |
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| AV01 | Patent right actively abandoned | ||
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Granted publication date: 20180501 Effective date of abandoning: 20240412 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180501 Effective date of abandoning: 20240412 |