CN206656356U - A kind of ultralow nitrogen oxides oil and gas combination burner - Google Patents
A kind of ultralow nitrogen oxides oil and gas combination burner Download PDFInfo
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- CN206656356U CN206656356U CN201720418982.5U CN201720418982U CN206656356U CN 206656356 U CN206656356 U CN 206656356U CN 201720418982 U CN201720418982 U CN 201720418982U CN 206656356 U CN206656356 U CN 206656356U
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Abstract
The utility model discloses a kind of ultralow nitrogen oxides oil and gas combination burner, it is made up of burner body and the brazier brick for stablizing flame, the burner body includes cylinder, the oil combustion gun for being arranged on the air adjustment actuator of cylinder side, being arranged on body centre, the altar lamp for being arranged on cylinder body bottom, the interior gas gun pressed close to the altar lamp, interior gas spray head is provided with the top of the interior gas gun, outer gas gun is provided with the outside of cylinder, outer gas spray head is provided with the top of the outer gas gun；Burner of the present utility model passes through fuel gas and the fractional combustion of fuel oil, smoke backflow technology, no matter oil firing and burning gas can effectively reduce combustion flame temperature, the generation of nitrogen oxides in effluent is controlled, has reached the purpose of ultralow nitrogen oxides oil and gas combination burner.
Description
Technical field
The energy-saving combustion and environmental protection technical field of petroleum industry tubular heater are the utility model is related to, more particularly to
A kind of ultralow nitrogen oxides oil and gas combination burner.
Background technology
Industrial tube furnace burner develops rapidly with oil refining industry, realizes that low emission proposes more to burner combustion
High requirement.According to the regulation of State Environmental Protection Administration, domestic petroleum refining industry is newly-built and existing enterprise's Furnace is distinguished
Performed from July 1st, 2015 and 1 day July in 2017《Petroleum refining industry pollutant emission standard》(GB35710-2015)
Defined Air Pollutant Emission value, it is 150mg/Nm that it, which discharges nitrogen oxides in effluent concentration limit value,3, more than 850 DEG C stoves
Bore temperature discharge nitrogen oxides in effluent concentration limit value is 180mg/Nm3, territorial development density is higher, environment carrying
Ability starts to weaken, or atmospheric environment capacity is less, ecological environment frailty, and serious atmospheric pollution problem easily occurs and needs to adopt
Take the area discharge nitrogen oxides in effluent concentration of special protection measure to perform and be no more than 100mg/Nm3Discharge standard.According to
Market information understands, and the burner employed in the industry of domestic petroleum refining at present can reach environmentally friendly row substantially in single fire gas
Index is put, but in oil and gas combination burner generally existing discharged nitrous oxides excessive problem.Therefore, a kind of low nitrogen oxidation is developed
Thing oil and gas combination burner, market prospects will be very wide and very urgent.
Utility model content
The purpose of this utility model is improved, innovated for problems and disadvantages described in technical background, there is provided a kind of
Ultralow nitrogen oxides oil and gas combination burner, suitable for BIPM furnace or cylindrical furnace and the similar type of furnace.Oil gas joint combustion
No matter burner can reach low under single fire gas, single fire oil or oil-gas mixed burning operating mode effectively compared with the generation of low NOx
The purpose of discharged nitrous oxides.
To achieve the above object, the technical solution of the utility model is as follows：
A kind of ultralow nitrogen oxides oil and gas combination burner, it is made up of burner body and the brazier brick for stablizing flame, institute
State burner body include cylinder, be arranged on the air adjustment actuator of cylinder side, be arranged on body centre oil combustion gun, be arranged on cylinder
The altar lamp of body bottom, the interior gas gun pressed close to the altar lamp, the interior gas gun top is provided with interior gas spray head, in cylinder
The outside of body is provided with outer gas gun, and outer gas spray head is provided with the top of the outer gas gun；
The brazier brick is arranged on vertical heater bottom, is cylinder on the inside of the brazier brick, the brazier brick outside
Conical boss shape is designed as, the outer gas spray head is provided with the outside of it；A cylindrical wind is formed in the brazier brick
Road, the oil combustion gun extend to the center in the air channel, fuel oil gun sprayer are provided with the top of the oil combustion gun；The interior combustion gas
Shower nozzle is stretched into the air channel and close to the air channel inwall.
Preferably, 4 interior gas spray heads are connected with the interior gas gun, 4 outer gas injections are connected with the outer gas gun
Head；The interior gas spray head is provided with 2 gas jet orifices obliquely, wherein 1 gas jet orifice sensing brazier brick inwall, another 1
Gas jet orifice points to the center in cylindrical air channel；The outer gas spray head is provided with two obliquely and points to brazier brick outer wall
Gas jet orifice.
Further, the interior gas gun is connected by annular gas bag with 4 interior gas spray heads, the outer combustion gas
Rifle is connected by U-shaped gas bag with 4 outer gas spray heads.
Further, pointed in the interior gas spray head on the gas jet orifice and fuel oil gun sprayer at cylindrical air channel center
Spray orifice in a perpendicular, and in into 60 ° of angles.
Preferably, the oil combustion gun also includes the blender being connected with fuel oil gun sprayer and is arranged at fuel oil gun sprayer top
The stable flame cover in portion.
Compared with prior art, the utility model has the advantage that：1st, 4 interior gas spray head difference on interior gas gun
The 4 bursts of high speed primary The fuel streams to brazier brick inwall direction sprayed are mixed with spraying into combustion-supporting stream air in cylindrical burning gallery
Close, and after the Flat-flame of altar lamp ejection is lighted, its four strands of combustion product gases form once fiery in cylindrical burning gallery
Flame, combustion flame go out brazier brick cylindrical outlet and form stable burning things which may cause a fire disaster, light 4 outer gas spray head sprays on outer air gun respectively
It is going out and along after at brazier brick outer cone boss inclined-plane swiftly flowing secondary fuel gas upwards, burnt in the second combustion zone； 2、
Sprayed respectively with 4 interior gas spray heads on interior gas gun 4 strands of 4 strands of fuel that fuel oil is sprayed from fuel oil gun sprayer are to cylinder
The high speed primary The fuel stream at air channel center interweaves in air channel to burning, the fuel of the ejection that interweaves make brazier brick center air channel formed compared with
Flue gas recirculation Fast Filling negative pressuren zone, is introduced burning gases by strong negative pressuren zone, inner flue gas of the stove in the presence of this negative pressure
In, inert flue gas cooling flame, flame of centre temperature is reduced, so as to reduce the discharge of nitrogen oxides.3rd, according to fuel sectional
Bias combustion, low nitrogen oxide burning principle, 4 interior gas spray heads undertake 35% of total fuel flow or so stream on interior gas gun
Amount, burning is sufficiently mixed in brazier brick inner chamber and required whole high temperature airs, is now oxygen-excess combustion, significantly reduces one
The temperature of secondary burned flame, the gaseous mixture of the flue gas of primary combustion and remaining high temperature air above brazier brick at plane,
Mixed combustion is carried out with the fuel for accounting for total fuel flow 65% that 4 outer gas spray heads on outer gas gun go out, forms secondary fire
Flame, the high velocity smoke that it burns form negative pressuren zone together with the high velocity smoke of a flame in cylindrical burning gallery region,
Partial warm down flue gas (referring to the flue gas after being exchanged heat with boiler tube) is effectively sucked back into secondary flame surface, and constantly cools down its flame temperature
Degree, so restrained effectively formation of nitrogen oxides in combustion process.4th, setting due to brazier brick air flow channel and wind passage mouth
Meter, while interior gas gun and each gas spray head perforate of outer gas gun are to fuel flow rate optimization design, it is fiery so as to improve whole circle
The uniformity of flame temperature；Due also to first and second fuel combustion flames are away from each shower nozzle certain distance, while each combustion gas, fuel oil
Shower nozzle is constantly cooled down by fuel gas and backflow flue gas, thus avoids fuel in spray orifice coking and improve the shower nozzle life-span.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model
Fig. 2 is top view of the present utility model
Fig. 3 is the utility model upward view
Wherein, 1- cylinders, 2- altar lamps, gas gun in 3-, 4- oil combustion guns, 5- peepholes, 6- air adjustment actuators, the outer combustion gas of 7-
Rifle, the outer gas spray heads of 8-, 9- brazier bricks, 10- blenders, 11- fuel oil gun sprayers, 12- stable flame covers, gas spray head in 13-.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
As Figure 1-3, a kind of ultralow nitrogen oxides oil and gas combination burner, by burner body and the fire for stablizing flame
Basin brick 9 forms, and the burner body includes cylinder 1, is arranged on the air adjustment actuator 6 of cylinder side, is arranged on body centre
Oil combustion gun 4, the altar lamp 2 for being arranged on cylinder body bottom, the interior gas gun 3 pressed close to the altar lamp 2, the interior gas gun 3 push up
Portion is provided with interior gas spray head 13, and outer gas gun 7 is provided with the outside of cylinder 1, outer gas spray head is provided with the top of the outer gas gun
8；In use, by combustion air, the suction as caused by inside and outside differential pressure and combustion chamber draft sucks or by rousing the utility model
Blower fan is forcibly fed into, and enters cylinder through air intake by after burning air requirement regulation by air adjustment actuator 6 and by air adjustment actuator 6
Air channel in 1, cylinder air channel inwall are mesh plate, have been embedded in sufficiently thick noise elimination heat-preservation cotton, have thus adsorbed because combustion air exists
Air channel high speed flows and caused most of noise, so that burner is in low noise state in operation, and can make wind
Case hull-skin temperature meets code requirement；Peephole 5 is additionally provided with the bottom of cylinder 1, for observing combustion flame.
The brazier brick 9 is arranged on vertical heater bottom, and the inner side of brazier brick 9 is cylindrical, outside the brazier brick 9
Side is designed as conical boss shape, and the outer gas spray head 8 is provided with the outside of it；A cylinder is formed in the brazier brick 9
Air channel, the oil combustion gun 4 extends to the center in the air channel, and the top of oil combustion gun 4 is provided with fuel oil gun sprayer 11；Institute
State interior gas spray head 13 to stretch into the air channel and close to the air channel inwall, it is preferable that the interior gas gun 3 passes through annular
Gas bag is connected with 4 interior gas spray heads 13, and the outer gas gun 7 is connected by U-shaped gas bag with 4 outer gas spray heads 8；The combustion
Oil gun 4 also includes the blender 10 being connected with fuel oil gun sprayer and the stable flame cover 12 for being arranged at the top of fuel oil gun sprayer 11.
The fuel oil that the centrally disposed fuel oil gun sprayer 11 in the air channel sprays is with combustion air in cylindrical air channel
Burning is sufficiently mixed, 4 strands of fuel that fuel oil gun sprayer 11 sprays spray respectively with 4 interior gas spray heads 13 on interior gas gun 3
4 bursts of high speed primary The fuel streams to cylindrical air channel center interweave in air channel to burning, and the fuel for the ejection that interweaves makes in brazier brick
Heart air channel forms stronger negative pressuren zone, and inner flue gas of the stove Fast Filling negative pressuren zone, flue gas recirculation is drawn in the presence of this negative pressure
Enter in burning gases, inert flue gas cooling flame, flame of centre temperature is reduced, so as to reduce the discharge of nitrogen oxides；It is described
Interior gas spray head 13 is stretched into the air channel and close to the air channel inwall；When the interior primary fuel stream of gas gun 3 is sprayed into by cylinder
1 and come high temperature combustion-supporting air flow in, after Flat flame altar lamp 2 is lighted, in the inside in the inner chamber cylinder air channel of brazier brick 9
Collision, strength mixing, shunting are produced, a primary fuel combustion product gases part forms a flame in cylindrical burning gallery,
Combustion flame goes out brazier brick and exports to form stable burning things which may cause a fire disaster, and lights 4 outer gas spray heads 8 on outer air gun 7 spray and edge
Swiftly flowing secondary fuel gas upwards at the outer cone boss inclined-plane of brazier brick 9, realizes second-time burning, effectively reduces surplus
Air coefficient, exhaust gas temperature is reduced, so as to reach energy-conservation purpose.Segmentation bias combustion greatly suppresses combustion product gases nitrogen oxidation
Thing growing amount, so as to reduce nitrogen oxides in effluent discharge capacity；
In the present embodiment, it is connected on interior gas gun 3 by annular gas bag with described 4 interior gas spray heads 13；In described
Gas spray head 13 is provided with the gas jet orifice of two, wherein 1 gas jet orifice points to brazier brick inwall, another 1 gas jet orifice points to
The center in cylindrical air channel and be in 60 ° of angles with the spray orifice on fuel oil gun sprayer 11；The cylinder design of the inner chamber of brazier brick 9 is simultaneously
The 4 interior spray orifice special angle of gas spray head 13 designs that gas gun 3 is connected in cooperation, on the one hand by the one of 35% total amount of fuel
Level fuel gas is divided into 8 strands of threads, adds the contact area of it and total air stream, improves the bar that meets of fuel gas and air
Part, while the 8 strands of mixed airflows tentatively lighted have 4 strands to be mapped to the inwall of brazier brick 9,4 strands are mapped in the air channel of cylinder in addition
The fuel oil relative combustion that the heart sprays with fuel oil gun sprayer 11；
The outer gas spray head 8 is provided with two obliquely and points to the gas jet orifice of brazier brick outer wall, and 65% fuel is total
The secondary fuel gas of amount sprays from the spray orifice of 4 outer gas spray heads 8 of outer gas gun 7, and it is convex to be mapped to the outer, conical of brazier brick 9
Platform scatters, and along the upward flow at high speed in this inclined-plane and is running into primary combustion flue gas and the generation play of remaining high temperature air gaseous mixture
Strong second-time burning, form outer flame.Above-listed detailed description is illustrating for the utility model possible embodiments, should
Embodiment simultaneously is not used to limit the scope of the claims of the present utility model, all equivalence enforcements or change without departing from carried out by the utility model
More, it is intended to be limited solely by the scope of the claims of this case.
Claims (6)
1. a kind of ultralow nitrogen oxides oil and gas combination burner, being made up of burner body and the brazier brick for stablizing flame, it is special
Sign is that the burner body includes cylinder, is arranged on the air adjustment actuator of cylinder side, is arranged on the fuel oil of body centre
Rifle, the altar lamp for being arranged on cylinder body bottom, the interior gas gun pressed close to the altar lamp, the interior gas gun top are provided with internal combustion
Gas blowout head, outer gas gun is provided with the outside of cylinder, outer gas spray head is provided with the top of the outer gas gun；
The brazier brick is arranged on vertical heater bottom, is designed on the inside of the brazier brick for cylinder, the brazier brick outside
For conical boss shape, the outer gas spray head is provided with the outside of it；A cylindrical air channel, institute are formed in the brazier brick
The center that oil combustion gun extends to the air channel is stated, fuel oil gun sprayer is provided with the top of the oil combustion gun；The interior gas spray head
Stretch into the air channel and close to the air channel inwall.
2. ultralow nitrogen oxides oil and gas combination burner according to claim 1, it is characterised in that on the interior gas gun
4 interior gas spray heads are connected with, 4 outer gas spray heads are connected with the outer gas gun；The interior gas spray head is provided with 2 obliquely
Gas jet orifice, wherein 1 gas jet orifice points to brazier brick inwall, another 1 gas jet orifice points to the center in cylindrical air channel；Institute
Outer gas spray head is stated to be provided with two obliquely and point to the gas jet orifice of brazier brick outer wall.
3. ultralow nitrogen oxides oil and gas combination burner according to claim 1, it is characterised in that the oil combustion gun also wraps
The stable flame cover for including the blender being connected with fuel oil gun sprayer and being arranged at the top of fuel oil gun sprayer.
4. ultralow nitrogen oxides oil and gas combination burner according to claim 2, it is characterised in that the interior gas gun leads to
Annular gas bag is crossed with 4 interior gas spray heads to be connected.
5. ultralow nitrogen oxides oil and gas combination burner according to claim 2, it is characterised in that the outer gas gun leads to
U-shaped gas bag is crossed with 4 outer gas spray heads to be connected.
6. ultralow nitrogen oxides oil and gas combination burner according to claim 2, it is characterised in that the interior gas spray head
The upper gas jet orifice for pointing to cylindrical air channel center presss from both sides with the spray orifice on fuel oil gun sprayer in a perpendicular, and in into 60 °
Angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720418982.5U CN206656356U (en) | 2017-04-21 | 2017-04-21 | A kind of ultralow nitrogen oxides oil and gas combination burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720418982.5U CN206656356U (en) | 2017-04-21 | 2017-04-21 | A kind of ultralow nitrogen oxides oil and gas combination burner |
Publications (1)
| Publication Number | Publication Date |
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| CN206656356U true CN206656356U (en) | 2017-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720418982.5U Active CN206656356U (en) | 2017-04-21 | 2017-04-21 | A kind of ultralow nitrogen oxides oil and gas combination burner |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726323A (en) * | 2017-11-28 | 2018-02-23 | 岳阳钟鼎热工电磁科技有限公司 | Ultra-low NOx emission circular flame oil and gas combination burner |
| CN107763621A (en) * | 2017-11-22 | 2018-03-06 | 江汉大学 | A kind of mixed gas ignition bleeding device |
| CN107990315A (en) * | 2017-11-24 | 2018-05-04 | 北京拓首能源科技股份有限公司 | A kind of low-nitrogen discharged fuel gun of Furnace burner center fire |
-
2017
- 2017-04-21 CN CN201720418982.5U patent/CN206656356U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763621A (en) * | 2017-11-22 | 2018-03-06 | 江汉大学 | A kind of mixed gas ignition bleeding device |
| CN107763621B (en) * | 2017-11-22 | 2023-08-15 | 江汉大学 | Mixed gas ignition diffusing device |
| CN107990315A (en) * | 2017-11-24 | 2018-05-04 | 北京拓首能源科技股份有限公司 | A kind of low-nitrogen discharged fuel gun of Furnace burner center fire |
| CN107990315B (en) * | 2017-11-24 | 2024-01-05 | 北京拓首能源科技股份有限公司 | Central ignition low-nitrogen emission fuel gun for process heating furnace burner |
| CN107726323A (en) * | 2017-11-28 | 2018-02-23 | 岳阳钟鼎热工电磁科技有限公司 | Ultra-low NOx emission circular flame oil and gas combination burner |
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