CN208295915U

CN208295915U - It is a kind of to be classified low nitrogen coke oven combustion device

Info

Publication number: CN208295915U
Application number: CN201820873023.7U
Authority: CN
Inventors: 陈烨
Original assignee: Jiangyin Chuangjie Electrical Equipment Co Ltd
Current assignee: Jiangyin Chuangjie Electrical Equipment Co Ltd
Priority date: 2018-06-05
Filing date: 2018-06-05
Publication date: 2018-12-28
Anticipated expiration: 2028-06-05

Abstract

The utility model belongs to field of combustion equipment, it is intended to provide a kind of low nitrogen coke oven combustion device of classification, its key points of the technical solution are that including burning spout, the burning spout central position is equipped with combustion tube, support plate is arranged on the combustion tube, the support plate is several equipped with the fuel gas conduit in uniform circular distribution, and separator is equipped in the fuel gas conduit；The low nitrogen coke oven combustion device of this classification the advantage is that the effective generation for inhibiting nitrogen oxides, reduce the discharge of pernicious gas.

Description

It is a kind of to be classified low nitrogen coke oven combustion device

Technical field

The utility model relates to field of combustion equipment, in particular to a kind of to be classified low nitrogen coke oven combustion device.

Background technique

Coke oven combustion device is as a kind of master fossil combustion gas to be used, such as coke-stove gas, town gas, blast furnace gas etc. As fuel, air and combustion gas mixing burning generate heat, a kind of highly important confession in effect industry in coke oven combustion device Hot equipment receives extensive attention.

Currently, the Chinese patent of Publication No. CN102721057B discloses a kind of industrial gas burner, it includes One columnar shell and setting gas conduct pipe inside the shell, equipped with combustion head in the front end of shell, combustion head is adjustably It is socketed on gas conduct pipe, the front end of shell is provided with cyclone, is fixed on cyclone and the inclined wind-guiding of housing axis Blade is additionally provided with front shroud in case nose, and front shroud front end forms circular open to contract, and the internal diameter of opening is greater than combustion head Outer diameter.Cyclone is arranged in the outside of combustion head, when fuel gas buring, can further promote fuel gas buring, also may make fire Flame rotates diffusion when burning outward, expands the burning area of flame.

Although this industrial-furnace burner carries out the burning of combustion gas, this industrial gas burner collection moderate heat Flame during burning work, still can generate because having some nitrogen oxides to be just is generated in the condition of high temperature Part nitrogen oxides pollution environment.

Utility model content

The utility model is to provide a kind of low nitrogen coke oven combustion device of classification, the advantage is that the effective nitrogen oxides that inhibits It generates, reduces the discharge of pernicious gas.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of to be classified low nitrogen coke oven combustion device, including burning spout, the burning spout central position is equipped with combustion tube, institute It states and is arranged with support plate on combustion tube, the support plate is several equipped with the fuel gas conduit in uniform circular distribution, in the fuel gas conduit Equipped with separator.

By using above-mentioned technical proposal, in the process of work, combustion gas sprays from fuel gas conduit while passing through separator, collection In burning spout center, while combustion tube spray burning needed for air, but control air output it is smaller, make center Region is burnt under conditions of lack of air, because fuel is excessive excessive and oxygen is insufficient, form reducing atmosphere and reduction Property gas CO, H2, HCN etc., are reduced to CO2 and N2 for NOx, to inhibit the generation of pernicious gas NOx, while the spout that burns It is trapped among under conditions of the surplus of air and burns outside, have excessive oxygen that uncombusted CO is made to burn away, advantageously reduce nocuousness The generation of gas.

Further setting: the separator includes partition and two pieces of separating plates, and the partition is horizontally placed on fuel gas conduit, and two pieces points From the two sides that plate is respectively arranged at separating plate.

By using above-mentioned technical proposal, during combustion gas sprays, partition be divided into the outlet of fuel gas conduit two Part, and be separately installed with the separating plate for being oriented to combustion gas in two portions completes combustion gas just when spraying point Stream.

Further setting: the sloped-end setting of separating plate.

By using above-mentioned technical proposal, be inclined to set the guiding role for being conducive to improve for combustion gas.

Further setting: it is directed toward burning spout central position in the sloped-end direction of two one of separating plates of separating plate It sets, the sloped-end direction of another separating plate is directed toward away from burning spout central locality.

By using above-mentioned technical proposal, more combustion gas is made to concentrate on the centre bit of burning spout in the process of work It sets, guarantees in central area gas quantity more than air capacity, while the gas quantity for orifice rim position of burning is less than air capacity.

Further setting: it is several that stomata is provided in support plate.

By using above-mentioned technical proposal, the stomata required air that is mainly used for burning passes through, although central area is poor The case where burning under conditions of oxygen, but also guaranteeing the progress and stabilization of burning, avoid the occurrence of extinguishing.

Further setting: every six stomatas setting triangular in shape.

By using above-mentioned technical proposal, the setting triangular in shape of every six stomatas makes air more evenly be distributed in center combustion Region is burnt, the stability of burning is further improved.

Further setting: burning spout is several equipped with the flow deflector in uniform circular distribution, and the flow deflector is fixed on branch Between fagging outer rim and burning spout inner wall surface.

By using above-mentioned technical proposal, flow deflector is mainly used for needed for guidance burning spout outer rim combustion zone burning Air, it is ensured that combustion gas carries out burning operation under conditions of oxygen-enriched.

Further setting: flow deflector is inclined to set.

By using above-mentioned technical proposal, flow deflector, which is inclined to set, makes air form vortex during blowout, makes Combustion gas and air mixing it is more uniform, while further central burner region generate deleterious reduction gas burning sufficiently, The discharge of pernicious gas is reduced as far as possible.

In conclusion the utility model has the following beneficial effects:

1, advantage is effectively to inhibit the generation of nitrogen oxides, reduces the discharge of pernicious gas；

2, the reducibility gas generated with central area burning can also burn in outer rim and reduce the generation of pernicious gas, Make the more abundant of fuel gas buring simultaneously.

Detailed description of the invention

Fig. 1 is the structural schematic diagram for being classified low nitrogen coke oven combustion device；

Fig. 2 is in the low nitrogen coke oven combustion device of classification for embodying the structural schematic diagram of air intake adjusting device；

Fig. 3 is the structural schematic diagram in the low nitrogen coke oven combustion device of classification for the spout that burns；

Fig. 4 is the partial enlargement structural representation in Fig. 3 at A.

In figure, 1, shell；11, air inlet；111, partition；12, cartridge；121, connecting flange piece；122, feed pipe； 13, fire inspection sensor tube；131, cooling wind interface；132, fire inspection Signal connector；14, ignitron；141, the first hickey；142, Second hickey；2, air intake adjusting device；21, gear-box；211, turntable；22, wind deflector；221, air door shaft coupling；23, it links Part；3, burn spout；31, firing tip；311, support frame；312, burning torch；313, ion gun；314, flame-divider；32, water conservancy diversion Fan；321, blade；33, support plate；331, stomata；34, fuel gas conduit；341, separator；342, separating plate；343, partition；35, steady Flame necking；351, flame stablization lap；352, losenges；353, notch；36, flow deflector；37, combustion tube.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment: a kind of low nitrogen coke oven combustion device of classification, as shown in Fig. 2, include shell 1, be provided on shell 1 rectangle into Port 11 is fixed with partition 111 in air inlet 11, and air inlet 11 is divided into two parts of area equation, facilitates tune by partition 111 Save air inlet.11 airintake direction of air inlet is vertical with the direction that burner jets out flames simultaneously.

As shown in Figure 1, one end of shell 1 is fixed with cartridge 12, cartridge 12 is injected into shell 1 at work Combustion gas required for burning, mainly based on the fuel gas that is refined from petroleum.The connecting flange piece of cartridge 12 and shell 1 121, connecting flange piece 121 at its edge using fixing bolt by being fixed on shell 1, since cartridge 12 has fuel gas Pass through, connecting flange piece 121 further increases the sealing performance in junction, the case where avoiding the occurrence of the leakage of combustion gas.Fuel Feed pipe 122 is vertically equipped on pipe 12, feed pipe 122 is connected during working with extraneous gas source, and required combustion gas of burning is logical It crosses feed pipe 122 to be injected on cartridge 12, be injected into shell 1 by cartridge 12 later.

As shown in Figure 1, cartridge 12 is equipped with fire inspection sensor tube 13, fire inspection sensor tube away from one end of connecting flange piece 121 13 along cartridge 12 length direction arrange, fire inspection sensor tube 13 end be equipped with fire inspection Signal connector 132, in burner work Fire inspection Signal connector 132 is connect with extraneous detection device during work, and the detection signal for being convenient to reactive combustion passes through fire Inspection Signal connector 132 is transferred to the external world, and the staff in workshop is facilitated to understand combustion case in real time.It is tilted on fire inspection sensor tube 13 Equipped with cooling wind interface 131, cooling wind interface 131 is connected with extraneous cooling system, and cooling wind is blown into fire inspection sensor tube 13, Keep fire inspection 13 temperature of sensor tube lower, reduces and exported since the temperature of fire inspection sensor tube 13 itself influences fire inspection Signal connector 132 The accuracy of signal.

As shown in Figure 1, the end center of cartridge 12 is equipped with ignitron 14, ignitron 14 passes through entire shell 1, ignitron 14 are equipped with igniter and flame detector, and ignitron 14 is arranged in parallel with fire inspection sensor tube 13, and the end of ignitron 14 is equipped with Two the first hickeys 141 along 14 length direction of ignitron arrangement, one of them first hickey 141 are used for tie point Conducting wire used in firearm；Conducting wire needed for another first hickey 141 is connected with flame detector.

As shown in Figure 1, setting on ignitron 14, there are two the second hickeys 142, and the second hickey 142 is perpendicular to fuel The setting of 12 length direction of pipe, second hickey 142 inject air, another second hickey 142 injects combustion gas, use In auxiliary firing, the success rate and stability of igniting are improved.

As shown in Fig. 2, a kind of low nitrogen coke oven combustion device of classification includes air intake adjusting device 2, air intake adjusting device 2 includes tooth Roller box 21 and two wind deflectors 22, wind deflector 22 are rotatably connected at air inlet 11 by air door shaft coupling 221, and can change into The air door shaft coupling 221 of the draught area of port 11, gear-box 21 and a wind deflector 22 is fixed, and gear-box 21 is equipped with turntable 211, it drives wind deflector 22 to rotate by turntable 211, adjusts the air inflow of air inlet 11.Two wind deflectors 22 deviate from gear-box 21 End be equipped with STATEMENT OF FEDERALLY SPONSORED 23, rotate together two wind deflectors 22.

In conjunction with shown in Fig. 3 and Fig. 4, a kind of low nitrogen coke oven combustion device of classification further includes burning spout 3, and burning spout 3 is installed Deviate from one end of cartridge 12 in shell 1, the center of burning spout 3 is equipped with combustion tube 37, and ignitron 14 is threaded through combustion-supporting In pipe 37, combustion tube 37 avoids during burning mainly for the protection of ignitron 14, and 14 own temperature of ignitron is excessively high to lead Service life reduction is caused, while passing through certain air auxiliary firing in combustion tube 37.

In conjunction with shown in Fig. 3 and Fig. 4, burning spout 3 is equipped with firing tip 31, and firing tip 31 is mounted on the end of ignitron 14, Firing tip 31 is equipped with support frame 311, and burning torch 312 is equipped on support frame 311, and the sending of burning torch 312 has pulse spark to light Combustion gas.

In conjunction with shown in Fig. 3 and Fig. 4, support frame 311 is also equipped with ion gun 313, and ion gun 313 is parallel with burning torch 312 Setting, during burning, ion gun 313 is located in flame ion gun 313, and more the different of ignition temperature generate, The ionic current of varying strength and controller is fed back to, monitors combustion case in real time.

In conjunction with shown in Fig. 3 and Fig. 4, flame-divider 314 is also equipped on firing tip 31, combustion gas is by flame-divider 314 Uniformly it is divided into several beams, mixes combustion gas and air more uniform, make burning more abundant to a certain extent, improve igniting Success rate.

In conjunction with shown in Fig. 3 and Fig. 4, flow-guide fan 32 is installed on the spout 3 that burns, flow-guide fan 32 is set on combustion tube 37, Firing tip 31 is in the center of flow-guide fan 32, several blades 321 in uniform circular distribution of flow-guide fan 32, blade at this time 321 are inclined to set, and the surface of blade 321 is arranged in cambered surface, when air passes through flow-guide fan 32, flow through shape along 321 surface of blade At vortex, further it is uniformly mixed combustion gas and air, improves the success rate of igniting.

As shown in figure 3, burning spout 3 is equipped with support plate 33, support plate 33 is arranged in a ring, and support plate 33, which is set in, to be led The outer fringe position of stream fan 32, support plate 33 is several equipped with circular stomata 331, and every six stomatas 331 are as one group and are in three Angular distribution is conducive to air and smoothly passes through support plate 33, reduces the inhibition that support plate 33 flows air.

As shown in figure 3, support plate 33 is equipped with fuel gas conduit 34, fuel gas conduit 34 is distributed in support plate 33 in uniform circular, The end of fuel gas conduit 34 is equipped with separator 341, and separator 341 includes partition 343 and two separating plates 342, and partition 343 is fixed It is divided into identical two parts of cross-sectional area in fuel gas conduit 34 and by fuel gas conduit 34, separating plate 342 will be fixed on partition respectively On 343 two sides, separating plate 342 stretches out the end bending of fuel gas conduit 34.During burning, combustion gas is sprayed from fuel gas conduit 34 Out, while passing through separating plate 342, concentrate on the center of burning spout 3, while combustion tube 37 sprays the required sky of burning Gas, but control air output is smaller, and central area is made to burn under conditions of lack of air, because of the excessive excessively oxygen of fuel NOx is reduced to CO2 and N2 by deficiency, form reducing atmosphere and reducibility gas CO, H2, HCN etc., to inhibit harmful The generation of gas NOx, while burning under conditions of the outer surplus for being trapped among air for the spout 3 that burns, there is excessive oxygen to make unburned Most CO burns away, and advantageously reduces the generation of pernicious gas.

As shown in figure 3, burning spout 3 is equipped with, the flow deflector 36 being evenly distributed is several, and flow deflector 36 is set to support plate Between 33 outer rims and the inner wall for the spout 3 that burns, flow deflector 36 is obliquely installed, and when burning carries out, air is blown from flow deflector 36 Out, air forms vortex, is further more fully mixed combustion gas and air, while this region, combustion gas is in the mistake of air It burns under conditions of surplus, so that uncombusted CO is burnt sufficiently, reduce the discharge of pernicious gas.

As shown in figure 3, burning spout 3 is equipped with steady flame necking 35, the flame for spraying burning spout 3 is in collection pencil, favorably It is concentrated in the heat that burning generates, improves combustion efficiency.Steady flame necking 35 includes flame stablization lap 351, and flame stablization lap 351 is mounted on burning The end that spout 3 jets out flames, flame stablization lap 351 are obliquely installed to burning 3 center of spout, are provided on flame stablization lap 351 in three Angular notch 353, notch 353 is distributed in uniform circular, if the inside of flame stablization lap 351 is also gone to be tiltedly installed with losenges 352 It is dry, and losenges 352 is correspondingly arranged with notch 353.During burning, flame sprays from steady flame necking 35, center Zonal combustion generates negative pressure region, makes a large amount of air return to central area, while also flowing back with a large amount of high-temperature flue gas To flame of centre area, the oxygen concentration in the region is reduced, effectively controls the generation of major pollutants nitrogen oxides, while part is returned The flue gas of stream can enter burning spout 3 from notch 353, reduce the temperature of flame, further limit the generation of nitrogen oxides, and And flame is stopped to go out to spray from notch 353 due to being additionally provided with losenges 352.

The above embodiments are only the explanation to the utility model, are not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims

1. a kind of be classified low nitrogen coke oven combustion device, it is characterized in that: including burning spout (3), burning spout (3) center It equipped with combustion tube (37), is arranged with support plate (33) on the combustion tube (37), it is in uniform circular that the support plate (33), which is equipped with, The fuel gas conduit (34) of distribution is several, is equipped with separator (341) in the fuel gas conduit (34).

2. the low nitrogen coke oven combustion device of a kind of classification according to claim 1, it is characterized in that: the separator (341) includes Partition (343) and two pieces of separating plates (342), the partition (343) are horizontally placed on fuel gas conduit (34), and two pieces of separating plates (342) are respectively It is set to the two sides of separating plate (342).

3. the low nitrogen coke oven combustion device of a kind of classification according to claim 2, it is characterized in that: the end of the separating plate (342) Portion is obliquely installed.

4. the low nitrogen coke oven combustion device of a kind of classification according to claim 3, it is characterized in that: two separating plates (342) are wherein It is directed toward burning spout (3) center, the end of another separating plate (342) in the sloped-end direction of one separating plate (342) Inclined direction is directed toward away from burning spout (3) center direction.

5. the low nitrogen coke oven combustion device of a kind of classification according to claim 1, it is characterized in that: being provided in the support plate (33) Stomata (331) is several.

6. the low nitrogen coke oven combustion device of a kind of classification according to claim 2, it is characterized in that: every six stomatas (331) are in three Angular setting.

7. the low nitrogen coke oven combustion device of a kind of classification according to claim 1, it is characterized in that: the burning spout (3) is equipped with The flow deflector (36) being distributed in uniform circular is several, and the flow deflector (36) is fixed on support plate (33) outer rim and burning spout (3) between inner wall surface.

8. the low nitrogen coke oven combustion device of a kind of classification according to claim 7, it is characterized in that: the flow deflector (36) is inclined Setting.