Summary of the invention
Technical problem to be solved by this invention is at above-mentioned prior art present situation, and compact conformation, flames of anger contact, safe and reliable is provided, have certain self cooling ability and heat imitate utilization rate can be up to a kind of immersion burner more than 95%.
The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of immersion burner, comprise furnace shell, furnace shell comprises that one is communicated with in the main combustion cone of bottom spiral case end face and is fixedly mounted on the outer peripheral face that this main combustion cone upper end is shaped on the top spiral case of tangential primary air inlet and is looped around main combustion cone and is used for the cooling water jecket that recirculated water cools off main combustion cone; In the spiral case of bottom the burner that is connected with auxiliary inlet manifold and fuel supply pipe respectively is installed, the peripheral ring of burner is with the cool cycles water coil, and the spraying water pipe of outside water spray cooling combustion mouth is installed in the fuel inner flow passage of this burner, the bottom spiral case tangentially has discharge flue, furnace shell adopts the mode submergence of top master's air inlet and bottom smoke evacuation to be arranged in the cooling bath water, the submergence of this furnace shell in the cooling bath water is greater than 1/2 of furnace shell height, and the horizontal plane of cooling bath water is lower than the upper shed of cooling water jecket along the limit.
For optimizing technique scheme, the measure of taking also comprises:
Above-mentioned cooling water jecket is the barrel mast body, the bottom surface of this cooling water jecket and main combustion cone sealing welding mutually, be formed with cooling water cavity between the outer peripheral face of cooling water jecket and main combustion cone, the upper shed of cooling water jecket is the water cavity opening of cooling water cavity, and the bottom of cooling water jecket is shaped on the cooling water inlet that is communicated with cooling water cavity, and cooling water is discharged by cooling water inlet upper shed from cooling water jecket after the cooling water cavity heat absorption.
The uniform reinforcement plates that are welded with of radian such as the upper shed inner peripheral surface of above-mentioned cooling water jecket, the cooling water inlet adpting flange that has been welded.
The central axis three line overlaids of the pivot axis of above-mentioned top spiral case and the pivot axis of bottom spiral case and main combustion cone, main combustion cone are the big positive taper tube structure in little, following aperture, last aperture.
The outer peripheral face of above-mentioned top spiral case and the outer peripheral face of bottom spiral case are welded with the top spiral case that distributes radially respectively and strengthen convex tendon and end spiral case reinforcement convex tendon.
The last aperture of above-mentioned main combustion cone extend in the snail chamber of top spiral case, and the end face of top spiral case is formed with the cylindricality gather qi together chamber of projection, and this gather qi together chamber is corresponding up and down with the last aperture of main combustion cone.
Above-mentioned burner is fixedly mounted on the bottom surface of bottom spiral case, and the pivot axis overlaid of the central axis of this burner and bottom spiral case.
Above-mentioned burner comprises air nozzle and the fuel nozzle that is fixedly mounted in the air nozzle, fuel nozzle extends the puff prot of air nozzle, auxiliary inlet manifold is connected with air nozzle, above-mentioned fuel inner flow passage is the axial channel that fuel nozzle is shaped on, and fuel supply pipe is connected with the fuel inner flow passage of fuel nozzle.
The upper end of above-mentioned fuel nozzle is shaped on showerhead, showerhead is shaped on the spray orifice that is communicated with the fuel inner flow passage, the end face of this showerhead is shaped on the cooling spray orifice that downward extension is communicated with the fuel inner flow passage, spraying water pipe passes air nozzle and is stretched in the fuel inner flow passage by the bottom surface of fuel nozzle, and the termination of this spraying water pipe is equipped with fog-spray nozzle, and fog-spray nozzle is arranged in the cooling spray orifice.
Above-mentioned cool cycles water coil is arranged on the puff prot place of air nozzle, and the diameter of this cool cycles water coil is less than the diameter of puff prot, the top of cool cycles water coil is a little more than the end face of showerhead, and the two ends of cool cycles water coil lead to cooling water inlet pipe and cooling outlet pipe respectively.
Compared with prior art, furnace shell of the present invention adopts the method that goes up main air inlet and down smoke-discharging to soak and is located in the cooling bath water, the maximized bath water that be cooled of this product heat energy when burning is absorbed, reduce heat energy loss, the top of furnace shell and bottom are adopted the scroll casing type structure of top spiral case and bottom spiral case respectively, can make the flue gas of the air-flow that enters or discharge obtain the power of rotation.The air-flow of rotation more is conducive to air and mixes with the even of fuel, the resistance the when flue gas of rotation then can reduce discharging.Burner is respectively equipped with cool cycles water coil and spraying water pipe and main combustion cone and is arranged with cooling water jecket efficient to the heating of cooling bath water when not only having strengthened burner combustion, be conducive to bath water and keep constant temperature, and can also lower the temperature fully to furnace shell and burner, guarantee that this product can have a more rational operating ambient temperature, improve the service life of product.The present invention is arranged in the cooling bath water, and is safe, flames of anger contact, and heat is imitated utilization rate can be up to more than 95%, and has compact conformation, and floor space is little, and assembling is easy to characteristics.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Fig. 1 is to Figure 7 shows that theory structure schematic diagram of the present invention.
Reference numeral wherein is: end spiral case is strengthened convex tendon A, the top spiral case is strengthened convex tendon B, gather qi together chamber D, cooling water cavity K, furnace shell 1, bottom spiral case 11, discharge flue 11a, main combustion cone 12, cooling water inlet 121, adpting flange 122, top spiral case 13, primary air inlet 13a, cooling water jecket 14, reinforcement plate 141, burner 2, air nozzle 21, fuel nozzle 22, fuel inner flow passage 22a, spray orifice 22b, cooling spray orifice 22c, showerhead 221, auxiliary inlet manifold 3, fuel supply pipe 4, cool cycles water coil 5, cooling water inlet pipe 51, cooling outlet pipe 52, spraying water pipe 6, fog-spray nozzle 61.
Shown in Fig. 1 to 7, a kind of immersion burner of the present invention, comprise furnace shell 1, furnace shell 1 comprises that one is communicated with in the main combustion cone 12 of bottom spiral case 11 end faces and is fixedly mounted on the outer peripheral face that these main combustion cone 12 upper ends are shaped on the top spiral case 13 of tangential primary air inlet 13a and are looped around main combustion cone 12 and is used for the cooling water jecket 14 that recirculated water cools off main combustion cone 12; In the spiral case 11 of bottom the burner 2 that is connected with auxiliary inlet manifold 3 and fuel supply pipe 4 respectively is installed, the peripheral ring of burner 2 is with cool cycles water coil 5, and the spraying water pipe 6 of outside water spray cooling combustion mouth 2 is installed among the fuel inner flow passage 22a of this burner 2, bottom spiral case 11 tangentially has discharge flue 11a, furnace shell 1 adopts the mode submergence of top master's air inlet and bottom smoke evacuation to be arranged in the cooling bath water, the submergence of this furnace shell 1 in the cooling bath water is greater than 1/2 of furnace shell 1 height, and the horizontal plane of cooling bath water is lower than the upper shed of cooling water jecket 14 along the limit.The present invention is a kind of burner that is applied in the immersion liquefied natural gas gasifying device, the present invention is set directly at for the gasification of liquid natural gas to be provided in the cooling bath water of heat exchange energy, because major part is immersed in the bath water, thereby contact with the gasification installation flames of anger, safe and reliable and combustion heat utilization rate is very high, energy loss is little.Discharge flue 11a of the present invention arranges the bottom of furnace shell 1, thereby burning generation high-temperature flue gas directly is discharged in the bath water, can not only discharge the temperature of heat energy raising bath water, simultaneously can also the turbulence of disturbance bath water high speed, make bath water produce the heat exchange efficiency that circulates liquefied natural gas mobile in quickening and raising and the gasification installation.The upper and lower of furnace shell 1 of the present invention is adopted the scroll casing type structure of top spiral case 13 and bottom spiral case 11 respectively, top spiral case 13 and bottom spiral case 11 can make the flue gas of the air that enters and discharge obtain the power of rotation respectively, the air of rotation can meet in main combustion cone 12 with the fuel that burner 2 sprays, fuel is rotation and evenly mixed combustion under the drive of the air of rotation, thereby guaranteed the completeness of burning, reduce disposal of pollutants, improve using energy source, the rotation smoke evacuation of scroll casing type structure has then reduced the resistance of discharging, has improved the disturbance to bath water simultaneously.Main combustion cone 12 of the present invention is provided with cooling water jecket 14,2 of burners are provided with cool cycles water coil 5 and spraying water pipe 6, therefore when working, the present invention can not only improve the efficient to the heating of cooling bath water, be conducive to bath water and keep constant temperature, and can also lower the temperature fully to furnace shell 1 and burner 2, guarantee that the present invention can have a more rational operating ambient temperature, improve the service life of product.
Among the embodiment as shown in Figure 3, cooling water jecket 14 of the present invention is the barrel mast body, the bottom surface of this cooling water jecket 14 and main combustion cone 12 sealings welding mutually, be formed with cooling water cavity K between the outer peripheral face of cooling water jecket 14 and main combustion cone 12, the upper shed of cooling water jecket 14 is the water cavity opening of cooling water cavity K, and the bottom of cooling water jecket 14 is shaped on the cooling water inlet 121 that is communicated with cooling water cavity K, cooling water is discharged by cooling water inlet 121 upper shed from cooling water jecket 14 after cooling water cavity K heat absorption, and the hot water of discharging from cooling water cavity K directly falls back in the cooling bath water of furnace shell 1 setting.
Among the embodiment, in order to improve cooling water jecket 14 intensity, the uniform reinforcement plates 141 that are connected with main combustion cone 12 that are welded with of radian such as the upper shed inner peripheral surface place of cooling water jecket 14 are installed connection simultaneously for convenience, and adpting flange 122 has been welded on the cooling water inlet 121.
Among the embodiment, the central axis three line overlaids of 13 pivot axis of top spiral case and the pivot axis of bottom spiral case 11 and main combustion cone 12, main combustion cone 12 is the big positive taper tube structure in little, following aperture, last aperture.
Among the embodiment, can find out from Fig. 2, Fig. 4 and Fig. 7 that the outer peripheral face of the outer peripheral face of top spiral case 13 and bottom spiral case 11 is welded with the top spiral case that distributes radially respectively and strengthens convex tendon B and end spiral case reinforcement convex tendon A.
Among the embodiment, the last aperture of main combustion cone 12 extend in the snail chamber of top spiral case 13, and the end face of top spiral case 13 is formed with the cylindricality gather qi together chamber D of projection, and this gather qi together chamber D is corresponding up and down with the last aperture of main combustion cone 12.Air of the present invention enters top spiral case 13 back acquisition revolving forces and enters in the combustion chamber of main combustion cone 12 in the aperture on gather qi together chamber D rotates by main combustion cone 12.
Among the embodiment, burner 2 is fixedly mounted on the bottom surface of bottom spiral case 11, and the pivot axis overlaid of the central axis of this burner 2 and bottom spiral case 11.
As shown in Figure 5 among the embodiment, burner 2 comprises air nozzle 21 and the fuel nozzle 22 that is fixedly mounted in the air nozzle 21, fuel nozzle 22 extends the puff prot of air nozzle 21, auxiliary inlet manifold 3 is connected with air nozzle 21, fuel inner flow passage 22a is the axial channel that fuel nozzle 22 is shaped on, and fuel supply pipe 4 is connected with the fuel inner flow passage 22a of fuel nozzle 22.Air nozzle 21 is for to have the bucket cylindrical body of an end opening, and the side face of air nozzle 21 matches with the bottom surface sealing and fixing of bottom spiral case 11, can prevent that like this bath water from entering in the snail chamber of bottom spiral case 11.
Among the embodiment as shown in Figure 6, the upper end of fuel nozzle 22 is shaped on showerhead 221, showerhead 221 is shaped on the spray orifice 22b that is communicated with fuel inner flow passage 22a, the end face of this showerhead 221 is shaped on the cooling spray orifice 22c that downward extension is communicated with fuel inner flow passage 22a, spraying water pipe 6 passes air nozzle 21 and is stretched among the fuel inner flow passage 22a by the bottom surface of fuel nozzle 22, and the termination of this spraying water pipe 6 is equipped with fog-spray nozzle 61, and fog-spray nozzle 61 is arranged in cooling spray orifice 22c.Fuel mixes burning among a small circle of generation through spray orifice 22b ejection back with the auxiliary air of air nozzle 21 ejections, and more fuel then upwards enters into main combustion cone 12, the air generation mixed combustion that enters with top primary air inlet 13a.
Among the embodiment, cool cycles water coil 5 is arranged on the puff prot place of air nozzle 21, and the diameter of this cool cycles water coil 5 is less than the diameter of puff prot, the top of cool cycles water coil 5 is a little more than the end face of showerhead 221, and the two ends of cool cycles water coil 5 lead to cooling water inlet pipe 51 and cooling outlet pipe 52 respectively.
The present invention is when work, combustion air enters burner from two positions, main combustion air enters top spiral case 13 from primary air inlet 13a, the zone of auxiliary combustion air around auxiliary inlet manifold 3 is fed to burner 2, burner 2 burned flames are upward to main combustion cone 12, and fuel reacts jointly with the main combustion air that enters from primary air inlet 13a in main combustion cone 12.Main combustion air enters into top spiral case 13 by a tangential inlet, and obtains rotary power in top spiral case 13.Before flue gas was discharged, the fuel gas of main combustion air and burner 2 was played circulation along combustion axis, realized evenly mixing.Gas fume after burning then enters in the cooling bath water by the discharge flue 11a of bottom spiral case 11.
The cooling procedure of main combustion cone 12 is: cooling water enters cooling water cavity K from cooling water inlet 121 interfaces of cooling water jecket 14 bottoms, cool off the upper shed of main combustion cone 12 back water quench water legs 14 and discharge in the cooling bath water that falls back to furnace shell 1 setting, realize circulation.