CN207334724U - A kind of burner - Google Patents
A kind of burner Download PDFInfo
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- CN207334724U CN207334724U CN201721135791.4U CN201721135791U CN207334724U CN 207334724 U CN207334724 U CN 207334724U CN 201721135791 U CN201721135791 U CN 201721135791U CN 207334724 U CN207334724 U CN 207334724U
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- burner
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- controller
- temperature
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Abstract
The utility model discloses a kind of burner, belongs to fuel combustion appliance technical field, including：Burner outlet (6), it includes one or more fuel outlets, for being connected to the burner hearth (8) of boiler, one or more fuel are transported in burner hearth (8) and are burnt；First air passage (1), First air entrance is provided with its one end side wall, and the other end extends to the burner outlet (6) and is formed as First air outlet；Secondary air channel (2), Secondary Air entrance is provided with its one end side wall, and the other end extends to the burner outlet (6) and is formed as Secondary Air outlet；Powdered biomass supply rifle (3), its one end are formed as powdering inlet, and the other end extends to the burner outlet (6) and is formed as dust outlet.The utility model supplies rifle (3) by increasing powdered biomass, on the basis of the First air and Secondary Air of traditional coal powder fired boiler burner, realizes the supply and burning of multi fuel.
Description
Technical field
It the utility model is related to fuel combustion appliance technical field, more particularly to a kind of burner.
Background technology
Global warming is right in emission reduction tasks and 13 ENERGY PLANNINGs that Chinese Government promises to undertake with reply climate change
The carbon intensity of the fossil-fired unit of domestic five big Power Groups proposes specific requirement, i.e., to the year two thousand twenty, five big electricity
The average carbon intensity of the fossil-fired unit of power will be in 650kgCO2/ below kWh.Following coal-burning power plant is required for passing through
Tradable green certificates or carbon index are bought to maintain annual generation load amount, or just needs to carry out fuel flexibility transformation, becomes low
The thermal power plant of carbon intensity.
The boiler of existing Large-scale fire-electricity unit is largely to use high-efficiency pulverized coal boiler form, to solve the above-mentioned problems,
The prior art has carried out fuel flexibility transformation, but there are following defect in itself for these schemes：
The technical solution of the prior art, which generally requires, to be done boiler body and boiler heating surface large-scale high cost and changes
Make, and generally only allow a kind of fuel that burns, such as pulverized-coal fired boiler to be changed to the boiler of fired biomass completely after transforming, so do
The flexibility of fuel is not realized actually.
Utility model content
(1) purpose of utility model
The purpose of this utility model is to provide a kind of burner, applied in large-scale power station pulverized-coal fired boiler, by existing power station
The burner structure of pulverized-coal fired boiler is transformed, on the basis of rebuilding at low cost, it is possible to realizes the combustion of Large-scale fire-electricity unit
Expect flexibility.Rifle, pure oxygen supply rifle and corresponding multi fuel feeding pipe are supplied by increasing powdered biomass, so as to reality
Now on the basis of the First air and Secondary Air of tradition coal powder fired boiler burner, the supply and burning of multi fuel are realized.It is particularly pure
The introducing of oxygen, it is possible to achieve the low-load combustion-stabilizing of Large-scale fire-electricity unit boiler, so as to improve the load model of boiler at low load peak regulation
Enclose, increase the peak modulation capacity of fired power generating unit, by the annual depth peak regulation for participating in power grid, power plant is obtained peak regulation subsidy.Meanwhile
The utilization of the high-efficiency cleaning of biomass energy, the pollution that can be produced to avoid biomass such as domestic crop straw burnings, increase peasant receive
Enter.
(2) technical solution
To solve the above problems, the utility model provides a kind of burner, including：Burner outlet, it includes one kind
Or pluralities of fuel outlet, for being connected to the burner hearth of boiler, one or more fuel are transported in burner hearth and are burnt；One
Secondary wind passage, is provided with First air entrance on its one end side wall, the other end extends to the burner outlet and is formed as once
Wind exports；Secondary air channel, Secondary Air entrance is provided with its one end side wall, and the other end extends to the burner outlet and shape
Exported as Secondary Air；Powdered biomass supplies rifle, and its one end is formed as powdering inlet, and the other end extends to the burner and goes out
Mouth is simultaneously formed as dust outlet.
Further, the axis of the powdered biomass supply rifle is overlapped with the axis of the First air passage.
Further, the axis of the axis and the First air passage of the powdered biomass supply rifle forms the first angle,
The angular range of first angle is 0 °~30 °.
Further, the burner further includes：Oxygen supplies rifle, and its one end is formed as oxygen intake, and the other end extends to
The burner outlet is simultaneously formed as oxygen outlet, for introducing oxygen into the burner hearth.
Further, the axis of oxygen supply rifle and the axis of the First air passage form the second angle, and described the
The angular range of two angles is 0 °~30 °.
Further, the oxygen outlet end of the oxygen supply rifle is provided with shutoff valve；The oxygen of the oxygen supply rifle
The port of export is additionally provided with pressure sensor, and/or, it is provided with the first temp probe at the oxygen outlet of the oxygen supply rifle；
The pressure sensor is used to detect the gas pressure at oxygen outlet end and is sent to controller, and the controller will collect
Gas pressure is compared with preset pressure, when the gas pressure collected exceeds pre-set pressure range, the controller control
The shutoff valve is made to close；First temp probe is used to detect the temperature T1 at oxygen outlet and is sent to the control
Device, the controller by the temperature T1 collected compared with the first preset temperature, when the temperature T1 collected be higher than first
During preset temperature, the controller controls the shutoff valve to close；Oxygen content testing instrument is provided with the burner hearth, for examining
The oxygen content in the burner hearth is surveyed, the oxygen-containing numerical quantity detected is sent to the controller, institute by the oxygen content testing instrument
Controller is stated by the oxygen-containing numerical quantity collected compared with default value, when the oxygen-containing numerical quantity collected is higher than present count
During value, the controller controls the shutoff valve to close；Second temperature probe is additionally provided with the burner hearth, for detecting
The flue-gas temperature T2 in burner hearth is stated, the flue-gas temperature T2 detected is sent to the controller, institute by the second temperature probe
Controller is stated by the flue-gas temperature T2 collected compared with the second preset temperature, when the flue-gas temperature T2 collected is higher than the
During two preset temperatures, the controller controls the shutoff valve to close.
Further, the First air passage, which is located at, is provided with First air on one end side wall on the outside of the furnace wall of the boiler and enters
Mouthful.
Further, the secondary air channel is set in outside the First air port of export of the First air passage.
(3) beneficial effect
The above-mentioned technical proposal of the utility model has following beneficial technique effect：
The utility model can realize the transformation to existing large coal powder boiler of low cost, by existing generating plant pulverized coal boiler
Burner structure transformed, on the basis of rebuilding at low cost, it is possible to realize the fuel flexibility of Large-scale fire-electricity unit.
Rifle, pure oxygen supply rifle and corresponding multi fuel feeding pipe are supplied by increasing powdered biomass, so as to realize in tradition
On the basis of the First air and Secondary Air of coal powder fired boiler burner, the supply and burning of multi fuel are realized.Supplied by powdered biomass
Flexible combination to rifle, oxygen supply rifle uses, and realizes real fuel flexibility so that pulverized-coal fired boiler can be with after transformation
The neatly pluralities of fuel such as combusting coal fines, powdered biomass.The particularly introducing of pure oxygen, it is possible to achieve Large-scale fire-electricity unit boiler
Low-load combustion-stabilizing, so as to improve the load range of boiler at low load peak regulation, increase the peak modulation capacity of fired power generating unit, pass through whole year
The depth peak regulation of power grid is participated in, power plant is obtained peak regulation subsidy.Meanwhile the utilization of the high-efficiency cleaning of biomass energy, it can keep away
Exempt from the pollution of the biomass such as domestic crop straw burning generation, increase farmers' income.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram that the burner that the utility model embodiment one provides is connected with burner hearth；
Fig. 2 is the burner internal structure diagram that the utility model embodiment three provides.
Reference numeral：
1st, First air passage, 1a, the first straight section, 1b, the first cone section, 1c, the second straight section, 1d, the 3rd straight section, 2, Secondary Air
Passage, 2a, the first straight section, 2b, the second straight section, 3, powdered biomass supply rifle, 4, oxygen supply rifle, 5, fixed frame, 6, burning
Device exports, and 7, fixed plate, 8, burner hearth.
Embodiment
To make the objectives, technical solutions and advantages of the present invention clearer, with reference to embodiment
And referring to the drawings, the utility model is further described.It should be understood that these descriptions are merely illustrative, and do not really want
Limit the scope of the utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid not
Necessarily obscure the concept of the utility model.
Embodiment one
Fig. 1 is the internal structure schematic diagram that the burner that the utility model embodiment one provides is connected with burner hearth.
Fig. 1 is refer to, which includes：Burner outlet 6, First air passage 1, secondary air channel 2, biomass powder
End supply rifle 3.
Burner outlet 6, it includes one or more fuel outlets, for being connected to the burner hearth 8 of boiler, by a kind of or
Pluralities of fuel, which is transported in burner hearth 8, to burn.Formed specifically, burner outlet 6 is collected by one or more fuel outlets,
Form a unified outlet, so as to 8 interface flexibility of burner hearth, burner hearth 8 herein, refers to the stove of large-scale power station pulverized-coal fired boiler
Thorax.
First air passage 1, First air entrance is provided with its one end side wall, and the other end extends to burner outlet 6 and shape
Exported as First air.First air passage 1 is used for the mixture of pulverized coal conveying and air.
Secondary air channel 2, Secondary Air entrance is provided with its one end side wall, and the other end extends to burner outlet 6 and shape
Exported as Secondary Air.Secondary air channel 2 is used for conveying the air of preheating.
Optionally, First air passage 1, which is located on one end side wall on the outside of the furnace wall of boiler, is provided with First air entrance.
Optionally, secondary air channel 2 is set in outside the First air port of export of First air passage 1, and the two of secondary air channel 2
Secondary wind outlet is connected with burner hearth 8.
Specifically, First air passage 1 include sequentially connected first straight section 1a, the first cone section 1b, the second straight section 1c and
3rd straight section 1d；First air entrance is set on the side wall of the first straight section 1a；3rd straight section 1d extends to burner outlet 6 and is formed
Exported for First air；The first straight section 1a, the second straight section 1c of First air passage 1 and the area of section of the 3rd straight section 1d subtract successively
It is small.
Specifically, secondary air channel 2 includes sequentially connected first straight section 2a and the second straight section 2b；The side of first straight section 2a
Secondary Air entrance is set on wall；Second straight section 2b extends to burner outlet 6 and is formed as Secondary Air outlet；Secondary air channel 2
The first straight section 2a area of section be more than the second straight section 2b area of section.
Powdered biomass supplies rifle 3, and its one end is formed as powdering inlet, and the other end extends to burner outlet 6 and formed
For dust outlet, for conveying powdered biomass fuel.Powdered biomass in powdered biomass supply rifle 3 is in First air passage
Enter burning in burner hearth 8 under the carrying of the air of primary air velocity in 1 so that traditional large thermal power plant can largely burn biology
The regenerative resources such as matter pulverized fuel.
Optionally, powdered biomass supply rifle 3 is arranged on the center of First air passage 1, i.e. powdered biomass supplies rifle 3
Axis is overlapped with the axis of First air passage 1.
Optionally, the section of powdered biomass supply rifle 3 includes but not limited to circle.
Optionally, the diameter of section scope of powdered biomass supply rifle 3 is 1cm~50cm.
The utility model separately conveys powdered biomass with coal dust, is independent of each other between each other, fuel easy to implement
Flexibly switching, fuel input is more convenient, security higher.
In the present embodiment, burner further includes fixed frame 5, is arranged in secondary air channel 2, is welded with secondary air channel 2
Together.
Optionally, fixed frame 5 is arranged on the center of secondary air channel 2.
In the present embodiment, burner further includes fixed plate 7, is arranged on the right side of First air passage 1.
Optionally, fixed plate 7 is including but not limited to circular, square.
Specifically, one end that First air passage 1 is formed as First air outlet is fixed by fixed frame 5, First air is provided with
One end of entrance is fixed by fixed plate 7.The axis of powdered biomass supply rifle 3 is overlapped with the axis of First air passage 1, its shape
Fixed as one end of powdering inlet by fixed plate 7, the one end for being formed as dust outlet is located at the inner side of First air passage 1.It is raw
Material powder supplies distributing position of the rifle 3 in fixed plate 7 and can suitably be adjusted according to being actually needed.
Embodiment two
The burner of the present embodiment and the difference of embodiment one are that powdered biomass supplies the setting position of rifle 3
Difference, in the present embodiment, the axis of the axis and First air passage 1 of powdered biomass supply rifle 3 forms the first angle.
Optionally, the angular range of the first angle is 0 °~30 °.
The structure and connection relation of the miscellaneous part structure of burner and connection relation and embodiment one in the present embodiment
Identical, details are not described herein.
Embodiment three
Fig. 2 is the burner internal structure diagram that the utility model embodiment three provides.
Fig. 2 is refer to, the burner of the present embodiment adds oxygen supply rifle 4, its one end on the basis of embodiment one
Being formed as oxygen intake, the other end extends to burner outlet 6 and is formed as oxygen outlet, for introducing oxygen into burner hearth 8,
The oxygen of abundance is provided for Pulverized Coal, powdered biomass fuel, improves the combustion rate of fuel, realizes the richness of pulverized-coal fired boiler
Oxygen burns so that the low load combustion of pulverized-coal fired boiler is more stablized.
Optionally, the axis of oxygen supply rifle 4 forms the second angle with the axis of First air passage 1.
Optionally, the angular range of the second angle is 0 °~30 °.
Optionally, the section of oxygen supply rifle 4 includes but not limited to circle.
Optionally, the diameter of section scope of oxygen supply rifle 4 is 1mm~200mm.
Since the supply and interruption of oxygen need to supply rifle 4 according to the gas pressure P in oxygen supply rifle 4 and oxygen
The temperature T1 in exit is controlled, and therefore, the oxygen outlet end of oxygen supply rifle 4 is provided with shutoff valve；Oxygen supplies rifle 4
Oxygen outlet end be additionally provided with pressure sensor, and/or, oxygen supply rifle 4 oxygen outlet at is provided with the first temperature spy
Head.When the gas pressure P that the pressure sensor at the oxygen outlet end of oxygen supply rifle 4 detects exceeds pre-set pressure range,
Or the temperature T1 that detects of the first temp probe at the oxygen outlet of oxygen supply rifle 4 is when being higher than the first preset temperature,
Then controller control shutoff valve is closed, to control the oxygen content and flue-gas temperature T2 in burner hearth 8.
Pressure sensor is used to detect the gas pressure P at oxygen outlet end and is sent to controller, and controller will collect
Gas pressure P compared with preset pressure, when the gas pressure P collected exceeds pre-set pressure range, controller control
Shutoff valve processed is closed.
First temp probe is used to detect the temperature T1 at oxygen outlet and be sent to controller, and controller will collect
Temperature T1 is compared with the first preset temperature, and when the temperature T1 collected is higher than the first preset temperature, controller control is cut
Only valve is closed.
Optionally, the oxygen outlet end of oxygen supply rifle 4 is provided with shutoff valve and pressure sensor, when oxygen supplies rifle
When the gas pressure P that the pressure sensor at 4 oxygen outlet end detects exceeds pre-set pressure range, then controller control cut-off
Valve is closed.
Optionally, the oxygen outlet end of oxygen supply rifle 4 is provided with shutoff valve, and oxygen is supplied at the oxygen outlet of rifle 4
The first temp probe is provided with, the temperature T1 that the first temp probe at the oxygen outlet of oxygen supply rifle 4 detects is higher than
During the first preset temperature, then controller control shutoff valve is closed.
Optionally, the oxygen outlet end of oxygen supply rifle 4 is provided with shutoff valve and pressure sensor, oxygen supply rifle 4
Oxygen outlet at be additionally provided with the first temp probe, when the pressure sensor at oxygen outlet end of oxygen supply rifle 4 detects
Gas pressure P when exceeding pre-set pressure range, or the first temp probe detection at the oxygen outlet of oxygen supply rifle 4
When the temperature T1 arrived is higher than preset temperature, then controller control shutoff valve is closed.
Further, since the supply and interruption of oxygen also need to be controlled according to the oxygen content in burner hearth 8 and flue-gas temperature T2
System, therefore, the shutoff valve for being arranged on the oxygen outlet end of oxygen supply rifle 4 will also be according to the oxygen content and flue gas in burner hearth 8
Temperature T2 is controlled.When the oxygen-containing numerical quantity or calculated value that oxygen content testing instrument detects in burner hearth 8 are higher than default value, or
For person when the second temperature probe in burner hearth 8 detects that flue-gas temperature T2 is higher than preset temperature, then controller controls shutoff valve
Close, to control the oxygen content and flue-gas temperature T2 in burner hearth 8.
Oxygen content testing instrument is provided with burner hearth 8, for detecting the oxygen content in burner hearth 8, oxygen content testing instrument will detect
To oxygen-containing numerical quantity be sent to controller, controller by the oxygen-containing numerical quantity collected compared with default value, when adopting
When the oxygen-containing numerical quantity collected is higher than default value, controller control shutoff valve is closed.
Second temperature probe is additionally provided with burner hearth 8, for detecting the flue-gas temperature T2 in burner hearth 8, second temperature probe
The flue-gas temperature T2 detected is sent to controller, controller carries out the flue-gas temperature T2 collected and the second preset temperature
Compare, when the flue-gas temperature T2 collected is higher than the second preset temperature, controller control shutoff valve is closed.
The specific control logic of shutoff valve can suitably be adjusted according to being actually needed.
Specifically, one end that oxygen intake is formed on oxygen supply rifle 4 is fixed by fixed plate 7, be formed as oxygen outlet
One end be located at the inner side of secondary air channel 2, while positioned at the outside of fixed frame 5.Oxygen supplies distribution position of the rifle 4 in fixed plate 7
Putting can suitably adjust according to being actually needed.
The structure and connection relation of the miscellaneous part structure of burner and connection relation and embodiment one in the present embodiment
Identical, details are not described herein.
Example IV
The burner of the present embodiment is on the basis of embodiment two, adds oxygen supply rifle 4, oxygen in the present embodiment
The setting position for supplying rifle 4 is identical with embodiment three.
The structure and connection relation of the miscellaneous part structure of burner and connection relation and embodiment two in the present embodiment
Identical, details are not described herein.
The combination of powdered biomass supply rifle 3 and oxygen supply rifle 4 in the utility model includes but not limited to
The above embodiment, powdered biomass supply rifle 3 and oxygen supply rifle 4 can also be otherwise combined as needed to be made
With to realize the supply of multi fuel and burning.Powdered biomass supply rifle 3 and oxygen supply rifle 4 respectively with corresponding supply pipe
Road connects, and is provided with control valve or flowmeter, and the supply of pluralities of fuel and oxygen can be interrupted, to realize supply
The increase and decrease of fuel quantity and amount of oxygen, so as to fulfill the sufficient fuel flexibility of coal fired thermal power plant.
The utility model is intended to protect a kind of burner, applied in large-scale power station pulverized-coal fired boiler, being existing large-scale
It is improved on the architecture basics of thermal power station's coal burner, in the First air of traditional coal powder fired boiler burner and the base of Secondary Air
On plinth, rifle, oxygen supply rifle and corresponding pipeline are supplied by increasing powdered biomass, is realized to existing large coal powder boiler
Rebuilding at low cost so that pulverized-coal fired boiler can the neatly pluralities of fuel such as combusting coal fines, powdered biomass after transformation.Pass through
Powdered biomass supply rifle, the flexible combination of oxygen supply rifle use, and realize real fuel flexibility, described herein is true
Positive fuel flexibility, refers to that boiler in supply of the different periods according to fuel and price situation, can neatly adopt difference
Fuel carry out combustion power generation.Using the burner of the utility model so that the pulverized-coal fired boiler of traditional large thermal power plant can have
There is the function of other fuel that burn, particularly regenerative resource fuel (powdered biomass), the carbon row of fired power generating unit can be reduced
Intensity is put, power plant is enjoyed the rate for incorporation into the power network of department's biomass power generation, increase power plant income, can also make power plant in future
Carbon tax and tradable green certificates compulsory execution stage are on a good wicket in the competition of electricity market, it utilizes regenerative resource to burn
Not only rate for incorporation into the power network is high for power generation, and can be to avoid by the carbon tax of collection great number, if generating power with biomass combustion future can be with Shen
Please green electric power supply certificate, then thermal power plant's future can also obtain extra notable benefits by sale green electric power supply certificate.Particularly
The introducing of pure oxygen, it is possible to achieve the low-load combustion-stabilizing of Large-scale fire-electricity unit boiler, so as to improve the load of boiler at low load peak regulation
Scope, increases the peak modulation capacity of fired power generating unit, by the annual depth peak regulation for participating in power grid, power plant is obtained peak regulation subsidy.Together
When, the utilization of the high-efficiency cleaning of biomass energy, the pollution that can be produced to avoid biomass such as domestic crop straw burnings, increases peasant
Income.
The scheme that the utility model is implemented at present is transformed for traditional generating plant pulverized coal boiler, and future can also pin
Carry out the transformation of multi fuel burner to coal dust heating boiler, including a large amount of gas burners that presently, there are it is also contemplated that into
The transformation of the row addition multi fuel such as pure oxygen and biogas or fuel lance, these reforming modes belong to the protection model of this patent
Enclose.
It should be appreciated that the above-mentioned embodiment of the utility model is used only for exemplary illustration or explains this reality
With new principle, without forming the limitation to the utility model.Therefore, in the spirit and scope without departing from the utility model
In the case of any modification, equivalent substitution, improvement and etc. done, should be included within the scope of protection of this utility model.In addition,
The appended claims for the utility model are intended to fall into scope and border or this scope and border
Whole in equivalents changes and modifications example.
Claims (8)
- A kind of 1. burner, it is characterised in that including：Burner outlet (6), it includes one or more fuel outlets, for being connected to the burner hearth (8) of boiler, by a kind of or Pluralities of fuel, which is transported in burner hearth (8), to burn；First air passage (1), is provided with First air entrance on its one end side wall, the other end extends to the burner outlet (6) And be formed as First air outlet；Secondary air channel (2), is provided with Secondary Air entrance on its one end side wall, the other end extends to the burner outlet (6) And be formed as Secondary Air outlet；Powdered biomass supply rifle (3), its one end are formed as powdering inlet, and the other end extends to the burner outlet (6) simultaneously Be formed as dust outlet.
- 2. burner according to claim 1, it is characterised in thatThe axis of the powdered biomass supply rifle (3) is overlapped with the axis of the First air passage (1).
- 3. burner according to claim 1, it is characterised in thatThe axis of powdered biomass supply rifle (3) and the axis of the First air passage (1) form the first angle, and described the The angular range of one angle is 0 °~30 °.
- 4. burner according to claim 1, it is characterised in that further include：Oxygen supply rifle (4), its one end are formed as oxygen intake, and the other end extends to the burner outlet (6) and is formed as Oxygen outlet, for introducing oxygen into the burner hearth (8).
- 5. burner according to claim 4, it is characterised in thatThe axis of the oxygen supply rifle (4) forms the second angle, second angle with the axis of the First air passage (1) Angular range be 0 °~30 °.
- 6. burner according to claim 4, it is characterised in thatThe oxygen outlet end of the oxygen supply rifle (4) is provided with shutoff valve；The oxygen outlet end of the oxygen supply rifle (4) is additionally provided with pressure sensor, and/or, the oxygen supply rifle (4) The first temp probe is provided with oxygen outlet；The pressure sensor is used to detect the gas pressure P at oxygen outlet end and is sent to controller, and the controller will be adopted The gas pressure P collected is described when the gas pressure P collected exceeds pre-set pressure range compared with preset pressure Controller controls the shutoff valve to close；First temp probe is used to detect the temperature T1 at oxygen outlet and is sent to the controller, and the controller will The temperature T1 collected is described when the temperature T1 collected is higher than the first preset temperature compared with the first preset temperature Controller controls the shutoff valve to close；Oxygen content testing instrument is provided with the burner hearth (8), for detecting the oxygen content in the burner hearth (8), the oxygen content The oxygen-containing numerical quantity detected is sent to the controller by detector, and the controller is by the oxygen-containing numerical quantity collected and in advance If numerical value is compared, when the oxygen-containing numerical quantity collected is higher than default value, the controller controls the shutoff valve Close；Second temperature probe is additionally provided with the burner hearth (8), it is described for detecting the flue-gas temperature T2 in the burner hearth (8) The flue-gas temperature T2 detected is sent to the controller, the flue-gas temperature that the controller will collect by second temperature probe T2 is compared with the second preset temperature, when the flue-gas temperature T2 collected is higher than the second preset temperature, the controller control The shutoff valve is made to close.
- 7. according to the burner any one of claim 1-6, it is characterised in thatThe First air passage (1), which is located on one end side wall on the outside of the furnace wall of the boiler, is provided with First air entrance.
- 8. burner according to claim 7, it is characterised in thatThe secondary air channel (2) is set in outside the First air port of export of the First air passage (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721135791.4U CN207334724U (en) | 2017-09-05 | 2017-09-05 | A kind of burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721135791.4U CN207334724U (en) | 2017-09-05 | 2017-09-05 | A kind of burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207334724U true CN207334724U (en) | 2018-05-08 |
Family
ID=62371528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721135791.4U Active CN207334724U (en) | 2017-09-05 | 2017-09-05 | A kind of burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207334724U (en) |
-
2017
- 2017-09-05 CN CN201721135791.4U patent/CN207334724U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180727 Address after: 100176 Beijing Beijing economic and Technological Development Zone, Chuang Chuang thirteen Street 18 building 12, 5 floors 503 rooms. Patentee after: Beijing HEMPEL Electric Power Technology Co., Ltd. Address before: 100176 No. 12 building, 18 Chuang thirteen street, Daxing District economic and Technological Development Zone, Beijing Patentee before: HEMPEL technology development (Beijing) Co., Ltd. |
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| TR01 | Transfer of patent right |