Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art present situation, and provides compact conformation, flames of anger contact, safe and reliable, has certain self cooling ability and thermal effect utilization rate can up to a kind of submersible burning device of more than 95%.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of submersible burning device, comprise furnace shell, furnace shell comprise one be communicated with bottom spiral case end face main combustion cone and be fixedly mounted on this main combustion cone upper end and be shaped with the top spiral case of tangential primary air inlet and be looped around the cooling water jecket of outer peripheral face for the main combustion cone of circulating water of main combustion cone; In the spiral case of bottom, the burner being connected to auxiliary inlet manifold and fuel supply pipe is installed, the periphery ring set of burner has 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, bottom spiral case tangentially has discharge flue, furnace shell adopts the mode submergence of the main air inlet in top and bottom smoke evacuation to be arranged in cooling bath water, the submergence of this furnace shell in cooling bath water is greater than 1/2 of furnace shell height, the horizontal plane of cooling bath water lower than the upper shed of cooling water jecket along limit.
For optimizing technique scheme, the measure taked also comprises:
Above-mentioned cooling water jecket is barrel mast body, the bottom surface of this cooling water jecket seals with main combustion cone welds mutually, cooling water cavity is formed 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 with the cooling water inlet being communicated with cooling water cavity, cooling water is discharged from the upper shed of cooling water jecket after cooling water cavity absorbs heat by cooling water inlet.
The uniform reinforcement plates that are welded with of radian such as the upper shed inner peripheral surface of above-mentioned cooling water jecket, cooling water inlet has been welded adpting flange.
Central axis three line of the pivot axis of above-mentioned top spiral case and the pivot axis of bottom spiral case and main combustion cone overlaps, and main combustion cone is the large positive taper tube structure in little, lower aperture, upper 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 distributed radially respectively and strengthen convex tendon and end spiral case reinforcement convex tendon.
The upper 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 upper aperture of main combustion cone.
Above-mentioned burner is fixedly mounted on the bottom surface of bottom spiral case, and the pivot axis of the central axis of this burner and bottom spiral case overlaps.
Above-mentioned burner comprises air nozzle and is fixedly mounted on the fuel nozzle in 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 with, 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 with showerhead, showerhead is shaped with the spray orifice being communicated with fuel inner flow passage, the end face of this showerhead is shaped with the cooling spray orifice being communicated with fuel inner flow passage to downward-extension, spraying water pipe stretches in fuel inner flow passage through air nozzle by the bottom surface of fuel nozzle, and the termination of this spraying water pipe is provided with fog-spray nozzle, fog-spray nozzle is arranged in 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 water outlet pipe respectively.
Compared with prior art, furnace shell of the present invention adopts the method leaching of upper main air inlet and down smoke-discharging to be located in cooling bath water, this product heat when burning can be absorbed by maximized cooled bath water, reduce the loss of heat energy, the top of furnace shell and bottom adopt the volute type structure of top spiral case and bottom spiral case respectively, and the flue gas of air-flow or the discharge entered can be made to obtain the power rotated.The air-flow rotated more is conducive to the Homogeneous phase mixing of air and fuel, and the flue gas rotated then can reduce resistance during discharge.Burner is respectively equipped with cool cycles water coil and spraying water pipe and main combustion cone and is arranged with the efficiency heated cooling bath water when cooling water jecket not only increases burner combustion, be conducive to bath water and keep constant temperature, and can also lower the temperature fully to furnace shell and burner, ensure that this product can have a more rational operating ambient temperature, improve the service life of product.The present invention is arranged in cooling bath water, and security is high, and the flames of anger contacts, and thermal effect utilization rate up to more than 95%, and can have compact conformation, and floor space is little, and assembling is easy to feature.
Detailed description of the invention
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 is wherein: end spiral case strengthens convex tendon A, top spiral case strengthens 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 water outlet pipe 52, spraying water pipe 6, fog-spray nozzle 61.
As shown in Fig. 1 to 7, a kind of submersible burning device of the present invention, comprise furnace shell 1, furnace shell 1 comprise one be communicated with bottom spiral case 11 end face main combustion cone 12 and be fixedly mounted on this main combustion cone 12 upper end and be shaped with the top spiral case 13 of tangential primary air inlet 13a and be looped around the cooling water jecket 14 of outer peripheral face for the main combustion cone 12 of circulating water of main combustion cone 12, in the spiral case 11 of bottom, the burner 2 being connected to auxiliary inlet manifold 3 and fuel supply pipe 4 is installed, the periphery ring set of burner 2 has cool cycles water coil 5, and the spraying water pipe 6 of outside water spray cooling combustion mouth 2 is installed in 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 the main air inlet in top and bottom smoke evacuation to be arranged in cooling bath water, the submergence of this furnace shell 1 in cooling bath water is greater than 1/2 of furnace shell 1 height, the horizontal plane of cooling bath water lower than the upper shed of cooling water jecket 14 along limit.The present invention is applied in a kind of burner in immersion liquefied natural gas gasifying device, the present invention is set directly at for gasification of liquid natural gas provides in the cooling bath water of heat exchange energy, because major part is immersed in bath water, thus 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, thus burning generation high-temperature flue gas is directly discharged in bath water, the temperature that heat energy improves bath water can not only be discharged, simultaneously can also the turbulence of disturbance bath water high speed, bath water is produced circulate the heat exchange efficiency of the liquefied natural gas accelerated and improve and flow in gasification installation.The upper and lower of furnace shell 1 of the present invention adopts the volute 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 air and the discharge entered obtain the power rotated respectively, the fuel that the air rotated can spray with burner 2 meets in main combustion cone 12, fuel rotates and Homogeneous phase mixing burning under the drive of the air rotated, thus ensure that the completeness of burning, decreasing pollution discharges, improve using energy source, the rotation smoke evacuation of volute type structure then decreases the resistance of discharge, improve the disturbance to bath water simultaneously.Main combustion cone 12 of the present invention is provided with cooling water jecket 14, burner 2 is provided with cool cycles water coil 5 and spraying water pipe 6, therefore the efficiency to the heating of cooling bath water can not only be improved when the present invention works, be conducive to bath water and keep constant temperature, and can also lower the temperature fully to furnace shell 1 and burner 2, ensure that the present invention can have a more rational operating ambient temperature, improve the service life of product.
In embodiment as shown in Figure 3, cooling water jecket 14 of the present invention is barrel mast body, the bottom surface of this cooling water jecket 14 seals with main combustion cone 12 welds mutually, cooling water cavity K is formed 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 with the cooling water inlet 121 being communicated with cooling water cavity K, cooling water is discharged from the upper shed of cooling water jecket 14 after cooling water cavity K absorbs heat by cooling water inlet 121, the hot water of discharging from cooling water cavity K directly falls back in the cooling bath water of furnace shell 1 setting.
In embodiment, in order to improve cooling water jecket 14 intensity, the uniform reinforcement plates 141 be 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, conveniently install connection, cooling water inlet 121 has been welded adpting flange 122 simultaneously.
In embodiment, central axis three line of 13 pivot axis of top spiral case and the pivot axis of bottom spiral case 11 and main combustion cone 12 overlaps, and main combustion cone 12 is the large positive taper tube structure in little, lower aperture, upper aperture.
In embodiment, can find out from Fig. 2, Fig. 4 and Fig. 7, the outer peripheral face of top spiral case 13 and the outer peripheral face of bottom spiral case 11 are welded with the top spiral case distributed radially respectively and strengthen convex tendon B and end spiral case reinforcement convex tendon A.
In embodiment, the upper 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 upper aperture of main combustion cone 12.Obtain revolving force after air of the present invention enters top spiral case 13 to enter in the combustion chamber of main combustion cone 12 through the upper aperture of main combustion cone 12 after gather qi together chamber D rotates.
In embodiment, burner 2 is fixedly mounted on the bottom surface of bottom spiral case 11, and the pivot axis of the central axis of this burner 2 and bottom spiral case 11 overlaps.
As shown in Figure 5 in embodiment, the fuel nozzle 22 that burner 2 comprises air nozzle 21 and is fixedly mounted in 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 with, and fuel supply pipe 4 is connected with the fuel inner flow passage 22a of fuel nozzle 22.Air nozzle 21 is for having the bucket cylindrical body of one end open, and the side face of air nozzle 21 coordinates with the sealing bottom surface Stationary liquid of bottom spiral case 11, can prevent bath water from entering in the snail chamber of bottom spiral case 11 like this.
In embodiment as shown in Figure 6, the upper end of fuel nozzle 22 is shaped with showerhead 221, showerhead 221 is shaped with the spray orifice 22b being communicated with fuel inner flow passage 22a, the end face of this showerhead 221 is shaped with the cooling spray orifice 22c being communicated with fuel inner flow passage 22a to downward-extension, spraying water pipe 6 stretches in fuel inner flow passage 22a through air nozzle 21 by the bottom surface of fuel nozzle 22, and the termination of this spraying water pipe 6 is provided with fog-spray nozzle 61, fog-spray nozzle 61 is arranged in cooling spray orifice 22c.Auxiliary air mixing generation one burning among a small circle that fuel sprays with air nozzle 21 after spray orifice 22b sprays, more fuel then upwards enters into main combustion cone 12, the air generation mixed combustion entered with top primary air inlet 13a.
In 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 water outlet pipe 52 respectively.
The present invention operationally, combustion air enters burner from two positions, main combustion air enters top spiral case 13 from primary air inlet 13a, secondary combustion air is fed to the region around burner 2 through auxiliary inlet manifold 3, burner 2 burned flame is upward to main combustion cone 12, and fuel jointly reacts with the main combustion air entered 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 is discharged, the fuel gas of main combustion air and burner 2 plays circulation along combustion axis, realizes Homogeneous phase mixing.Flue gas after burning is then entered in 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 interface bottom cooling water jecket 14, after cooling main combustion cone 12, the upper shed of water quench water leg 14 is discharged in the cooling bath water falling back to furnace shell 1 setting, realizes circulation.