CN109058988A - A kind of low nitrogen oxygen burner of gas burning kiln - Google Patents
A kind of low nitrogen oxygen burner of gas burning kiln Download PDFInfo
- Publication number
- CN109058988A CN109058988A CN201810829525.4A CN201810829525A CN109058988A CN 109058988 A CN109058988 A CN 109058988A CN 201810829525 A CN201810829525 A CN 201810829525A CN 109058988 A CN109058988 A CN 109058988A
- Authority
- CN
- China
- Prior art keywords
- burner
- mixing apparatus
- gas
- input device
- low nitrogen
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses a kind of gas burning kiln low nitrogen oxygen burners, including gas input device, pre-mixing apparatus and burner, it is characterised in that: the left end of the gas input device is connected with pre-mixing apparatus, and the left end of the pre-mixing apparatus is connected with burner；The gas input device is hollow cylindrical structure, which is provided with peephole, and top is provided with primary air entrance and fuel gas inlet, and fuel gas inlet is located at the left of primary air entrance, and the primary air entrance is connected with combustion fan；The pre-mixing apparatus includes premixed device, electric ignition hole and ultraviolet flame monitor；Top is equipped with electric ignition hole, and electric plug is equipped in the electric ignition hole, and lower part is equipped with ultraviolet flame monitor；The invention has the advantages that burner of the invention is full premixed high-speed burner, jet velocity >=100m/s, the present invention realizes low NOx drainage by controlling from source.
Description
Technical field
The present invention relates to energy-saving and emission-reduction and combustion with reduced pollutants technical fields, and in particular to a kind of gas burning kiln is fired with low nitrogen oxygen
Burner.
Background technique
Nitrogen oxides (NOx) is one of ingredient of atmosphere pollution, and forms one of the main component of haze, to the mankind
It is very big with the harm of animals and plants, the very strong photochemical fog of toxicity and acid rain can be also generated, is in current efforts at environmental protection by pass
The problem of note.Nitrogen oxides can be divided into three classes according to the formation mechenism of nitrogen oxides: temperature mode (also known as heating power type): being air
Middle nitrogen aoxidizes generation under high temperature (1400 DEG C or more)；Quick-type (also known as momentary type): being due to hydrocarbonization in fuel volatile matter
Object pyrolytic generates nitrogen reaction in CH free radical and air and generates HCN and N, further aoxidizes and generates at a terrific speed
NOx;Fuel type NOx: being that nitrogenous compound aoxidizes generation NOx, referred to as fuel type NOx in burning in fuel；Wherein with temperature
Based on type nitrogen oxides.For high-temperature industrial furnaces such as current numerous high-temperature calcination shaft furnaces, hyperthermia tunnel Kilns, since it is relatively warm
Degree is higher, causes NOx discharge much higher than national standard.Therefore, research and develop a kind of low nitrogen oxygen combustion technology of gas industry kiln,
Realize that source control and process emission reduction are extremely urgent.
Currently, mainly having (1) fractional combustion by the technology for reducing nitrogen oxides in terms of burner, such as patent " one kind point
Grade combustion gas low NO " (CN 206724175U)；(2) flue gas recirculation, as " a kind of high temperature smoke gas circulating type is low for patent
Nitrogen gradual combustor and technique " (CN 106500094A)；(3) circulation in flue gas, as " the low nitrogen of circulation fires patent in a kind of flue gas
Air burner " (CN 206001467U).The above combustion technology can not reduce the generation of NOx from source, to reduction NOx emission
Effect it is not significant enough, good effects of energy saving and emission reduction cannot be reached, be of limited application, boiler is only applicable to, can not be advised greatly
Mould is promoted.
Summary of the invention
The main purpose of the present invention is to provide a kind of low nitrogen oxygen burner of gas burning kiln, a kind of gas burning kiln is with low
Nitrogen oxygen burner is the deficiency for solving the above technology, and the generation that NOx is controlled from source is enhanced by the setting of premixed device
The mixability of air and combustion gas can make fuel more fully burn；Solving in background technique cannot reduce from source
The generation of NOx, it is not significant enough to the effect for reducing NOx emission, good effects of energy saving and emission reduction cannot be reached, be of limited application
The problem of.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of gas burning kiln is existed with low nitrogen oxygen burner, including gas input device, pre-mixing apparatus and burner, feature
In: the left end of the gas input device is connected with pre-mixing apparatus, and the left end of the pre-mixing apparatus is connected with burner；
The gas input device is hollow cylindrical structure, which is provided with peephole, and top is provided with primary air and enters
Mouth and fuel gas inlet, fuel gas inlet are located at the left of primary air entrance, and the primary air entrance is connected with combustion fan；
The pre-mixing apparatus includes premixed device, electric ignition hole model ZXJ-102L24 and ultraviolet flame monitor；The premix
Premixed device is equipped with inside device, the premixed device is pre-mixing apparatus right end truncated cone-shaped mechanism, and premixed device is according to burner calorific capacity
Different carry out non-standard de-signs are required with thermal technology；The pre-mixing apparatus top is equipped with electric ignition hole, is equipped in the electric ignition hole
Electric plug, the pre-mixing apparatus lower part are equipped with ultraviolet flame monitor；
The burner is hollow cylindrical structure, and the burner internal cavities are spindle combustion chamber, and right end is equipped with
Flange, the burner outside are equipped with combustion chamber and serve as a contrast, and the burner lower part is equipped with tuning wind entrance, and the tuning wind enters
Mouth is connected with temperature adjustment blower fan.
Burner further includes single-chip microcontroller, power supply as a preferred technical solution, and the single-chip microcontroller uses model QX-
MCS51, single-chip microcontroller connect power supply, ultraviolet flame monitor, temperature adjustment blower fan combustion fan and electric plug.
Connected in peephole using heat resistant type tempered glass and gas input device sealing installation as a preferred technical solution,
It connects.
Gas input device is connect with pre-mixing apparatus by mutually matched thread seal as a preferred technical solution,
Pre-mixing apparatus is connect with burner by flange seal.
The burner is full premixed high-speed burner, the combustion chamber shell of the burner as a preferred technical solution,
Body uses heat resisting steel.
The combustion chamber lining of the burner uses castable refractory or ramming mass as a preferred technical solution,.
The air imported as a preferred technical solution, from primary air entrance and the combustion gas imported from fuel gas inlet enter
Gas input device imports burner, institute by the immixture of premixed device after adequately being mixed combustion gas with air
It states burner and lights the air mixture for importeding into combustion chamber through electric plug, flame is sprayed from combustion chamber left end, spray
Firing rate degree >=100m/s.
Combustion gas and air enter pre-mixing apparatus by gas input device as a preferred technical solution, by loading in mixture in advance
Combustion gas and air are pre-mixed by the immixture of the premixed device in setting.
The method that casting or machining can be used in the manufacturing method of the burner as a preferred technical solution,.
Compared with prior art, the invention has the following advantages:
1, the burner realizes the energy conservation of high-temperature fuel gas kiln.
2, the burner is full premixed high-speed burner, eliminates red-hot area of flame localized hyperthermia, shortens flame gas in height
Residence time and tissue in warm area control from source than burning far from theoretical air, realize low NOx drainage.
3, with respect to the background art in for the patent enumerated, the present invention premixes combustion gas and air from source
It closes, reduces the generation of NOx, improve efficiency of combustion, reached the beneficial effect of energy-saving and emission-reduction well, entered by tuning wind
Setting, the setting of ultraviolet flame monitor and the setting of single-chip microcontroller of mouth, the temperature that kiln system is acquired by single-chip microcontroller
Parameter adjusts the air mass flow of combustion air, tuning wind entrance by fan frequency conversion, very easily realizes and automatically controls combustion chamber
Fuel gas temperature, make its generate nitrogen oxides it is less, efficiency of combustion is higher.
4, a kind of gas burning kiln is the deficiency for solving the above technology with low nitrogen oxygen burner, controls NOx's from source
It generates, by the setting of premixed device, combustion gas can adequately be mixed with air, carry out burning more fully, no
The discharge of NOx can be only effectively reduced, and can be achieved the effect that energy saving；By the setting of combustion fan, can control
The flow and speed of air processed and combustion gas control the ratio of air and combustion gas, combustion gas are made to mix well with air burning, can be from source
Low NOx drainage is realized on head.Combustion technology in background technique can effectively be solved can not reduce the generation of NOx from source, right
The effect for reducing NOx emission is not significant enough.
Detailed description of the invention
Fig. 1 is structure chart of the invention；
Fig. 2 is pre-mixing apparatus figure of the invention；
Fig. 3 is single chip circuit schematic diagram of the invention；
In figure: 1, peephole；2, primary air entrance；3, fuel gas inlet；4, electric ignition hole；5, ultraviolet flame monitor；6, it fires
Burn room；7, combustion chamber serves as a contrast；8, flange；9, premixed device；10, tuning wind entrance；11, single-chip microcontroller；12, power supply；13, electric plug；
14, temperature adjustment blower fan；15, combustion fan；16, gas input device；17, pre-mixing apparatus；18, burner.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As shown in Figure 1-3, a kind of low nitrogen oxygen burner of gas burning kiln, including gas input device 16, pre-mixing apparatus 17
With burner 18, it is characterised in that: the left end of the gas input device 16 is connected with pre-mixing apparatus 17, the pre-mixing apparatus 17
Left end be connected with burner 18；
The gas input device 16 is hollow cylindrical structure, which is provided with peephole 1, and the effect of peephole is to use
Naked eyes can observe flame forms, tentatively judge whether burning is normal, and top is provided with primary air entrance 2 and fuel gas inlet 3, combustion
Gas entrance 3 is located at the left of primary air entrance 2, and since air and the mixed gas of combustion gas are turned left stream from the right side, combustion gas is located at sky
When gas left, more preferably, the primary air entrance 3 is connected mixed effect with combustion fan 15, the sky that combustion fan 15 is pumped into
Gas is pumped into from primary air entrance 3, due to the flow of combustion gas be it is certain, by combustion fan 15 adjust air mass flow, can
The flow and speed of air and combustion gas are controlled, the ratio of air and combustion gas is controlled, combustion gas is made to mix well with air burning；
The pre-mixing apparatus 17 includes premixed device 9, electric ignition hole 4 and model ZXJ-102L24 ultraviolet flame monitor 5；It is described
Premixed device 9 is equipped with inside pre-mixing apparatus 17, the premixed device 9 is 17 right end truncated cone-shaped mechanism of pre-mixing apparatus, and premixed device 9 is according to burning
Mouth calorific capacity and thermal technology require different carry out non-standard de-signs；17 top of pre-mixing apparatus is equipped with electric ignition hole 4, the electricity point
Electric plug 13 is installed, electric plug 13 functions as automobile spark plug, plays and lights a fire to fuel in fire hole 4
Effect, the pre-mixing apparatus inside are equipped with premixed device, and 17 lower part of pre-mixing apparatus is equipped with ultraviolet flame monitor 5, ultraviolet fire
Flame monitor 5 is to input to single-chip microcontroller 11, single-chip microcontroller 11 controls temperature adjustment blower fan 14 to adjust for monitoring combustion chambers burn state
Section is pumped into combustion chamber flow；
The burner 18 is hollow cylindrical structure, and 18 internal cavities of burner are spindle combustion chamber 6, right end
Combustion chamber lining 7 is equipped with equipped with flange 8, outside the burner 18, combustion chamber lining 7 is the shell mechanism for wrapping up combustion chamber 6, institute
18 lower part of burner is stated equipped with tuning wind entrance 10, through combustion chamber lining 7, the tuning wind entrance 10 connects tuning wind entrance 10
There is temperature adjustment blower fan 14.
Wherein, a kind of low nitrogen oxygen burner of gas burning kiln further includes single-chip microcontroller 11, single-chip microcontroller 11 described in power supply 12
Using model QX-MCS51, single-chip microcontroller 11 connects power supply 12, ultraviolet flame monitor 5,14 combustion fan of temperature adjustment blower fan, 15 and
Electric plug 13, single-chip microcontroller carry out need of work external power supply 12 and power, and single-chip microcontroller is used to monitor according to ultraviolet flame monitor 5
Combustion chambers burn state, single-chip microcontroller the air mass flow that is pumped into of combustion fan controlled to adjust according to temperature signal to adjust air with
The flow and speed of combustion gas control the ratio of air and combustion gas, combustion gas are made to mix well with air burning.
Wherein, using heat resistant type tempered glass and gas input device sealing installation connection, gas input dress in peephole
It sets 16 to connect with pre-mixing apparatus 17 by mutually matched thread seal, pre-mixing apparatus 17 is close by flange 8 with burner 18
Envelope connection, flange are 18 right side position bulge-structure of burner, and the bulge-structure and 17 respective protrusions structure of pre-mixing apparatus are logical
Bolt is crossed to be attached.
Wherein, the burner is full premixed high-speed burner, and the burning chamber shell of the burner uses heat resisting steel.
Wherein, the combustion chamber lining of the burner uses castable refractory or ramming mass.
Wherein, enter gas input device from the air of primary air entrance importing and from the combustion gas that fuel gas inlet imports,
By the immixture of premixed device, burner, the burner warp are imported after combustion gas is adequately mixed with air
Electric plug lights the air mixture for importeding into combustion chamber, and flame is sprayed from combustion chamber left end, jet velocity >=100m/
s。
Wherein, combustion gas and air enter pre-mixing apparatus by gas input device, pass through the premixed device in pre-mixing apparatus
Combustion gas and air are pre-mixed by immixture.
Wherein, the method that casting or machining can be used in the manufacturing method of the burner.
It should be noted that a kind of gas burning kiln with the low nitrogen oxygen burner burner by pre-mixing apparatus to air with
Combustion gas is sufficiently mixed, and combustion gas can be made to reach full combustion, and the temperature signal of kiln system acquisition is received by single-chip microcontroller
According to the power for the process control temperature adjustment blower fan being implanted into advance, control burning room temperature.Stated in the background: three classes
In nitrogen oxides, what is played a major role is temperature mode nitrogen oxides；This nitrogen oxides is significantly increased in 1400 DEG C or more yields
Add, the present invention is to control reduction nitrogen oxides by control fuel gas temperature to generate, and sprays muzzle flash gas high speed, eliminates
Red-hot area of flame localized hyperthermia shortens residence time of the flame gas in high-temperature region, to control the main next of nitrogen oxides generation
Source；By the way that heat resistant type tempered glass is arranged in peephole fuel combustion efficiency can be monitored with flame combustion situation is observed.This
Outside, in peephole using heat resistant type tempered glass and gas input device sealing installation connection, gas input device with load in mixture in advance
It sets and is connected by thread seal, pre-mixing apparatus is connect with burner by flange seal.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of low nitrogen oxygen burner of gas burning kiln, including gas input device (16), pre-mixing apparatus (17) and burner
(18), it is characterised in that: the left end of the gas input device (16) is connected with pre-mixing apparatus (17), the pre-mixing apparatus (17)
Left end is connected with burner (18)；
The gas input device (16) is hollow cylindrical structure, which is provided with peephole (1), and top is provided with once
Air intake (2) and fuel gas inlet (3), fuel gas inlet (3) are located at the left of primary air entrance (2), and the primary air enters
Mouth (3) is connected with combustion fan (15)；
The pre-mixing apparatus (17) includes premixed device (9), electric ignition hole (4) and model ZXJ-102L24 ultraviolet flame monitor
(5)；Premixed device (9) are equipped with inside the pre-mixing apparatus (17), the premixed device (9) is pre-mixing apparatus (17) right end truncated cone-shaped machine
Structure, premixed device (9) require different carry out non-standard de-signs according to burner calorific capacity and thermal technology；Pre-mixing apparatus (17) top is set
Have electric ignition hole (4), be equipped with electric plug (13) in the electric ignition hole (4), pre-mixing apparatus (17) lower part is equipped with purple
Outer flame monitor (5)；
The burner (18) is hollow cylindrical structure, and burner (18) internal cavities are spindle combustion chamber
(6), right end is equipped with flange (8), and combustion chamber lining (7), burner (18) lower part are equipped with outside the burner (18)
Equipped with tuning wind entrance (10), the tuning wind entrance (10) is connected with temperature adjustment blower fan (14).
2. the low nitrogen oxygen burner of a kind of gas burning kiln according to claim 1, it is characterised in that: burner further includes monolithic
Machine (11), power supply (12), the single-chip microcontroller (11) use model QX-MCS51, and single-chip microcontroller (11) connects power supply (12), ultraviolet
Flame monitor (5), temperature adjustment blower fan (14) combustion fan (15) and electric plug (13).
3. the low nitrogen oxygen burner of a kind of gas burning kiln according to claim 1, it is characterised in that: in the peephole (1)
Using heat resistant type tempered glass and gas input device (16) sealing installation connection.
4. the low nitrogen oxygen burner of a kind of gas burning kiln according to claim 1, it is characterised in that: gas input device (16)
It is connect with pre-mixing apparatus (17) by mutually matched thread seal, pre-mixing apparatus (17) and burner (18) pass through flange
(8) it is tightly connected.
5. the low nitrogen oxygen burner of a kind of gas burning kiln according to claim 1, it is characterised in that: the burner is complete pre-
The burning chamber shell of mixed high velocity burner, the burner uses heat resisting steel.
6. the low nitrogen oxygen burner of a kind of high-temperature fuel gas kiln according to claim 1, it is characterised in that: the burner
Combustion chamber lining uses castable refractory or ramming mass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810829525.4A CN109058988A (en) | 2018-07-25 | 2018-07-25 | A kind of low nitrogen oxygen burner of gas burning kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810829525.4A CN109058988A (en) | 2018-07-25 | 2018-07-25 | A kind of low nitrogen oxygen burner of gas burning kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109058988A true CN109058988A (en) | 2018-12-21 |
Family
ID=64836002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810829525.4A Pending CN109058988A (en) | 2018-07-25 | 2018-07-25 | A kind of low nitrogen oxygen burner of gas burning kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109058988A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781045A (en) * | 2021-01-18 | 2021-05-11 | 汉道(江苏)新能源科技有限公司 | Normal-temperature air high-temperature combustion device |
| CN114516715A (en) * | 2021-12-27 | 2022-05-20 | 中国建材国际工程集团有限公司 | Burner and pool bottom burner for glass kiln |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759101A (en) * | 2011-04-25 | 2012-10-31 | 佛山市启迪节能科技有限公司 | Working method and device of pre-mixing type secondary combustor |
| CN205480979U (en) * | 2016-01-13 | 2016-08-17 | 哈尔滨工业大学 | High speed burner that jets of adaptation pluralities of fuel |
| CN205535802U (en) * | 2016-02-01 | 2016-08-31 | 湖南惠同新材料股份有限公司 | Low nitrogen emission's combustor |
| DE202016105039U1 (en) * | 2016-09-12 | 2017-09-14 | Viessmann Werke Gmbh & Co Kg | gas burner |
| CN206682939U (en) * | 2017-04-19 | 2017-11-28 | 安德森热能科技（苏州）有限责任公司 | Low emission dual combustion mode high-temperature burner |
-
2018
- 2018-07-25 CN CN201810829525.4A patent/CN109058988A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759101A (en) * | 2011-04-25 | 2012-10-31 | 佛山市启迪节能科技有限公司 | Working method and device of pre-mixing type secondary combustor |
| CN205480979U (en) * | 2016-01-13 | 2016-08-17 | 哈尔滨工业大学 | High speed burner that jets of adaptation pluralities of fuel |
| CN205535802U (en) * | 2016-02-01 | 2016-08-31 | 湖南惠同新材料股份有限公司 | Low nitrogen emission's combustor |
| DE202016105039U1 (en) * | 2016-09-12 | 2017-09-14 | Viessmann Werke Gmbh & Co Kg | gas burner |
| CN206682939U (en) * | 2017-04-19 | 2017-11-28 | 安德森热能科技（苏州）有限责任公司 | Low emission dual combustion mode high-temperature burner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781045A (en) * | 2021-01-18 | 2021-05-11 | 汉道(江苏)新能源科技有限公司 | Normal-temperature air high-temperature combustion device |
| CN114516715A (en) * | 2021-12-27 | 2022-05-20 | 中国建材国际工程集团有限公司 | Burner and pool bottom burner for glass kiln |
| CN114516715B (en) * | 2021-12-27 | 2024-01-26 | 中国建材国际工程集团有限公司 | Pool bottom burner for burner and glass kiln |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103277795B (en) | Gas burner capable of adjusting gas to be self-recycling | |
| CN101532662B (en) | Method for reducing nitrogen oxides by coal dust boiler of internal combustion burner | |
| CN204063038U (en) | Low NO xflue gas is from return flow burner | |
| CN103759258A (en) | Fuel-saving/gas-ignition stable-combustion low-nitrogen swirling pulverized coal combustor | |
| CN209445351U (en) | A kind of low nitrogen coal burner of adjustable swirl blade | |
| CN209180943U (en) | A kind of inside smoke flows back low NOx self preheating burner | |
| CN108916875A (en) | A kind of low nitrogen combustion combustor | |
| CN108443876B (en) | Burn low NO, boiler and its application method with it on water-cooled surface | |
| CN109058988A (en) | A kind of low nitrogen oxygen burner of gas burning kiln | |
| CN106907712A (en) | The gas nozzle of ultralow nitrogen suspension combustion flame | |
| CN109489037A (en) | Annular lime kiln energy-saving combustion method and burner | |
| CN105465780A (en) | Ultralow NOx pulverized coal burner | |
| CN107893991B (en) | Loop swirl-flow premixed multiple rows of array jetstream whirl penetrates the burner of accumulation of heat sleeve | |
| CN201187773Y (en) | Pulverized coal boiler using internal combustion type combustor | |
| CN207379305U (en) | Flue gas combustion-supporting type Energy Saving for Industrial Furnace energy-saving combustion apparatus | |
| CN206130963U (en) | Low NOx combustor of high temperature flue gas backward flow pre -burning formula with SOFA | |
| CN205939147U (en) | Steady flame formula combustor | |
| CN209196868U (en) | The low nitrogen of carbon black tail gas surely fires system | |
| CN208418701U (en) | A kind of low-NOx combustor for biomass and combustion of natural gas | |
| CN110375300A (en) | A kind of burner of low-nitrogen oxide discharging | |
| CN106091374A (en) | A kind of coal burner for grain drying tower air stove | |
| CN211953250U (en) | Hot-blast stove | |
| CN201159472Y (en) | Energy-saving discharge-reducing chain boiler equipment | |
| CN209445799U (en) | Annular lime kiln energy-saving combustion apparatus | |
| CN210165377U (en) | Energy-saving low-nitrogen combustor and energy-saving low-nitrogen combustion system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |
|
| RJ01 | Rejection of invention patent application after publication |