CN203384977U - Immersion combustor - Google Patents
Immersion combustor Download PDFInfo
- Publication number
- CN203384977U CN203384977U CN201320389508.6U CN201320389508U CN203384977U CN 203384977 U CN203384977 U CN 203384977U CN 201320389508 U CN201320389508 U CN 201320389508U CN 203384977 U CN203384977 U CN 203384977U
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- cooling water
- spiral case
- cooling
- main combustion
- water
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Abstract
The utility model discloses an immersion combustor, which comprises a furnace shell, wherein the furnace shell comprises a main combustion cone, a top volute and a cooling water jacket, the main combustion cone is integrally communicated on the top surface of the a bottom volute, the top volute is fixedly arranged on the upper end of the main combustion cone and is provided with a tangential main inlet, the cooling water jacket is encircled on the peripheral surface of the of the main combustion cone and is used to cool the main combustion cone through circulating water, a combustion nozzle which is respectively connected with an auxiliary inlet pipe and a fuel supply pipe is arranged in the bottom volute, a cooling circulating water coil is sleeved on the periphery of the combustion nozzle, a spray pipe which outwardly sprays water fog to cool the combustion nozzle is arranged in a fuel inner channel of the combustion nozzle, and the bottom volute is provided with a smoke discharge channel along the tangential direction. The furnace shell is immersed and arranged in cooling bath water in a mode that the air enters from the upper portion and smoke is discharged from the lower portion, the immersion depth of the furnace shell in the cooling bath water is bigger than a half of the height of the furnace shell, and the horizontal plane of the cooling bath water is lower than the edge of an opening on the cooling water jacket.
Description
Technical field
The utility model relates to a kind of burner, particularly a kind ofly take the burner that liquefied natural gas is fuel, specifically a kind of submersible burning device.
Background technology
At present, liquefied natural gas (LNG), just with about 12% high growth rate in every year, becomes the whole world and increases one of the swiftest and the most violent energy industry.In recent years, the LNG project development of China is very fast, to the demand of LNG also rapid growth.Gasification installation determines and affects the normal operation of whole LNG receiving station and gas pipeline as the visual plant of receiving station.Using maximum gasification installations in World LNG receiving station is open-shelf gasification installation and submerged combustion gasification installation, and open-shelf gasification installation is as base lotus gasifier, and the submerged combustion gasification installation is as the peak regulation gasification installation.The submersible burning device is an important component part of submerged combustion gasification installation.In prior art, due to such burner, the regional internal combustion in a relative closure and the heat exchange bath water that is mainly gasification installation provide heat energy, therefore combustion can the thermal effect utilization rate and self is cooling just extremely important, if the thermal effect utilization rate is low, can cause the waste on the energy, if from when burning because excess Temperature can not get the due cooling service life that can reduce burner.Therefore reasonably project organization is an important prerequisite that improves such burner performance.
Summary of the invention
Technical problem to be solved in the utility model is for above-mentioned prior art present situation, and compact conformation, flames of anger contact, safe and reliable are provided, and having certain self cooling ability and thermal effect utilization rate can be up to a kind of submersible burning device more than 95%.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of submersible burning device, 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 this main combustion cone upper end and is shaped with the top spiral case of tangential primary air inlet and is looped around the cooling water jecket of the outer peripheral face of main combustion cone for circulating water master combustion cone; In the spiral case of bottom, the burner that is connected with respectively auxiliary inlet manifold and fuel supply pipe is installed, the periphery ring set of burner has 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 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 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 water cavity opening that the upper shed of cooling water jecket is cooling water cavity, and the bottom of cooling water jecket is shaped with the cooling water inlet that is communicated with cooling water cavity, 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 is the large positive taper tube structure in little ,Xia 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 respectively the top spiral case distributed radially and strengthen convex tendon and end spiral case reinforcement convex tendon.
The end face that the upper aperture of above-mentioned main combustion cone extend into Zhong， top, the snail chamber spiral case 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 overlaid of the central axis of this burner and bottom spiral case.
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 that is communicated with the fuel inner flow passage, the end face of this showerhead is shaped with the cooling spray orifice that is communicated with the fuel inner flow passage to downward-extension, through air nozzle, the bottom surface by fuel nozzle stretches in the fuel inner flow passage spraying water pipe, and the termination of this spraying water pipe is equipped 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 respectively cooling water inlet pipe and cooling water outlet pipe.
Compared with prior art, furnace shell of the present utility model adopts the method for upper main air inlet and down smoke-discharging to soak and is located in cooling bath water, the maximized bath water that be cooled of this product heat energy when burning is absorbed, reduce the loss of heat energy, the top of furnace shell and bottom adopt respectively the volute type structure of top spiral case and bottom spiral case, 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 when flue gas of rotation can reduce discharge.When burner is respectively equipped with cool cycles water coil and spraying water pipe and main combustion cone and is arranged with cooling water jecket and has not only strengthened burner combustion to the efficiency of cooling bath water heating, 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 utility model is arranged in cooling bath water, safe, flames of anger contact, and the thermal effect 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 accompanying drawing explanation
Fig. 1 is the structural representation of facing of the utility model embodiment;
Fig. 2 is that bowing of Fig. 1 is with the aid of pictures;
Fig. 3 is the vertical sectional structure chart in part of the present utility model;
Fig. 4 is the left TV structure figure in Fig. 1;
Fig. 5 is the three-dimensional assembling structure schematic diagram of burner in Fig. 1;
Fig. 6 is the structural representation of fuel nozzle in Fig. 5;
Fig. 7 is three-dimensional general assembly structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is to Figure 7 shows that theory structure schematic diagram of the present utility model.
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 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 utility model, 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 these main combustion cone 12 upper ends and is shaped with the top spiral case 13 of tangential primary air inlet 13a and is looped around the cooling water jecket 14 of the outer peripheral face of main combustion cone 12 for circulating water master combustion cone 12, in the spiral case 11 of bottom, the burner 2 that is connected with respectively 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 top master's air inlet 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 utility model is a kind of burner be applied in immersion liquefied natural gas gasifying device, the utility model is set directly to be provided in the cooling bath water of heat exchange energy for the gasification of liquid natural gas, because major part is immersed in 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 utility model arranges the bottom of furnace shell 1, thereby burning generation high-temperature flue gas directly is discharged in 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 gasification installation.The upper and lower of furnace shell 1 of the present utility model adopts respectively the volute type structure of top spiral case 13 and bottom spiral case 11, top spiral case 13 and bottom spiral case 11 can make respectively the flue gas of the air that enters and discharge obtain the power of rotation, the air of rotation can meet with the fuel that burner 2 sprays in main combustion cone 12, fuel is rotation evenly mixed combustion under the drive of the air of rotation, thereby guaranteed the completeness of burning, reducing polluted emission, improve using energy source, the rotation smoke evacuation of volute type structure has reduced the resistance of discharge, improved the disturbance to bath water simultaneously.Main combustion cone 12 of the present utility model 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, can not only improve the utility model the efficiency to cooling bath water heating, 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 utility model 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 utility model 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 water cavity opening that the upper shed of cooling water jecket 14 is cooling water cavity K, and the bottom of cooling water jecket 14 is shaped with 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, 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 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, for convenient the installation connects, adpting flange 122 has been welded on cooling water inlet 121 simultaneously.
In 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 large positive taper tube structure in little ,Xia aperture, upper aperture.
In embodiment, from Fig. 2, Fig. 4 and Fig. 7, can find out, the outer peripheral face of the outer peripheral face of top spiral case 13 and bottom spiral case 11 is welded with respectively the top spiral case distributed radially and strengthens convex tendon B and end spiral case reinforcement convex tendon A.
In embodiment, the end face that the upper aperture of main combustion cone 12 extend into Zhong， top, the snail chamber spiral case 13 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.Air of the present utility model enters the rear acquisition revolving force of top spiral case 13 in gather qi together chamber D rotation enters the combustion chamber of main combustion cone 12 by the upper aperture of main combustion cone 12.
In 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 in embodiment, burner 2 comprises air nozzle 21 and is fixedly mounted on the fuel nozzle 22 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 an end opening, and the side face of air nozzle 21 fixedly matches with the sealing bottom surface of bottom spiral case 11, can prevent that like this bath water from entering in the snail chamber of bottom spiral case 11.
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 that is communicated with fuel inner flow passage 22a, the end face of this showerhead 221 is shaped with the cooling spray orifice 22c that is communicated with fuel inner flow passage 22a to downward-extension, through air nozzle 21, the bottom surface by fuel nozzle 22 stretches in fuel inner flow passage 22a spraying water pipe 6, and the termination of this spraying water pipe 6 is equipped with fog-spray nozzle 61, fog-spray nozzle 61 is arranged in cooling spray orifice 22c.Fuel mixes a burning among a small circle of generation with the auxiliary air of air nozzle 21 ejections after spray orifice 22b ejection, and more fuel 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 respectively cooling water inlet pipe 51 and cooling water outlet pipe 52.
The utility model 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 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 is played circulation along combustion axis, realizes evenly mixing.Flue gas after burning enters 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 interfaces of cooling water jecket 14 bottoms, the upper shed of the rear water quench water leg 14 of cooling main combustion cone 12 is discharged in the cooling bath water that falls back to furnace shell 1 setting, realizes circulation.
Claims (10)
1. a submersible burning device, comprise furnace shell (1), it is characterized in that: described furnace shell (1) comprises that one is communicated with in the main combustion cone (12) of bottom spiral case (11) end face and is fixedly mounted on the cooling water jecket (14) that outer peripheral face that this main combustion cone (12) upper end is shaped with the top spiral case (13) of tangential primary air inlet (13a) and is looped around main combustion cone (12) is used for circulating water master combustion cone (12), the burner (2) that is connected with respectively auxiliary inlet manifold (3) and fuel supply pipe (4) is installed in described bottom spiral case (11), the periphery ring set of described 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), described bottom spiral case (11) tangentially has discharge flue (11a), described furnace shell (1) adopts the mode submergence of top master's air inlet 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 described cooling bath water lower than the upper shed of cooling water jecket (14) along limit.
2. a kind of submersible burning device according to claim 1, it is characterized in that: described cooling water jecket (14) is the barrel mast body, the bottom surface of this cooling water jecket (14) and main combustion cone (12) sealing welding mutually, be formed with cooling water cavity (K) between the outer peripheral face of described cooling water jecket (14) and main combustion cone (12), the water cavity opening that the upper shed of described cooling water jecket (14) is cooling water cavity (K), and the bottom of described cooling water jecket (14) is shaped with the cooling water inlet (121) that is communicated with cooling water cavity (K).
3. a kind of submersible burning device according to claim 2, it is characterized in that: the uniform reinforcement plates (141) that are welded with of radian such as upper shed inner peripheral surface of described cooling water jecket (14), described cooling water inlet (121) adpting flange (122) that has been welded.
4. a kind of submersible burning device according to claim 3, it is characterized in that: the central axis three line overlaids of (13) pivot axis of described top spiral case and the pivot axis of bottom spiral case (11) and main combustion cone (12), described main combustion cone (12) is the large positive taper tube structure in little ,Xia aperture, upper aperture.
5. a kind of submersible burning device according to claim 4 is characterized in that: the outer peripheral face of the outer peripheral face of described top spiral case (13) and bottom spiral case (11) is welded with respectively the top spiral case distributed radially and strengthens convex tendon (B) and end spiral case reinforcement convex tendon (A).
6. a kind of submersible burning device according to claim 5, it is characterized in that: the upper aperture of described main combustion cone (12) extend in the snail chamber of top spiral case (13), the end face of described 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).
7. a kind of submersible burning device according to claim 6, it is characterized in that: described 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).
8. a kind of submersible burning device according to claim 7, it is characterized in that: described burner (2) comprises air nozzle (21) and is fixedly mounted on the fuel nozzle (22) in air nozzle (21), described fuel nozzle (22) extends the puff prot of air nozzle (21), described auxiliary inlet manifold (3) is connected with air nozzle (21), the axial channel that described fuel inner flow passage (22a) is shaped with for fuel nozzle (22), described fuel supply pipe (4) is connected with the fuel inner flow passage (22a) of fuel nozzle (22).
9. a kind of submersible burning device according to claim 8, it is characterized in that: the upper end of described fuel nozzle (22) is shaped with showerhead (221), described showerhead (221) is shaped with the spray orifice (22b) that is communicated with fuel inner flow passage (22a), the end face of this showerhead (221) is shaped with the cooling spray orifice (22c) that is communicated with fuel inner flow passage (22a) to downward-extension, through air nozzle (21), the bottom surface by fuel nozzle (22) stretches in fuel inner flow passage (22a) described spraying water pipe (6), and the termination of this spraying water pipe (6) is equipped with fog-spray nozzle (61), described fog-spray nozzle (61) is arranged in cooling spray orifice (22c).
10. a kind of submersible burning device according to claim 9, it is characterized in that: described 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 described cool cycles water coil (5) is a little more than the end face of showerhead (221), and the two ends of described cool cycles water coil (5) lead to respectively cooling water inlet pipe (51) and cooling water outlet pipe (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320389508.6U CN203384977U (en) | 2013-07-02 | 2013-07-02 | Immersion combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320389508.6U CN203384977U (en) | 2013-07-02 | 2013-07-02 | Immersion combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203384977U true CN203384977U (en) | 2014-01-08 |
Family
ID=49873457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320389508.6U Withdrawn - After Issue CN203384977U (en) | 2013-07-02 | 2013-07-02 | Immersion combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203384977U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335310A (en) * | 2013-07-02 | 2013-10-02 | 宁波中能连通机械有限公司 | Immersed combustor |
-
2013
- 2013-07-02 CN CN201320389508.6U patent/CN203384977U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335310A (en) * | 2013-07-02 | 2013-10-02 | 宁波中能连通机械有限公司 | Immersed combustor |
| CN103335310B (en) * | 2013-07-02 | 2015-06-03 | 宁波中能连通机械有限公司 | Immersed combustor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cai Liping Inventor after: Jiang Zhibin Inventor after: Lian Haifeng Inventor after: Guo Guoyi Inventor after: Chen Kun Inventor before: Cai Liping Inventor before: Liu Huiming Inventor before: Lian Haifeng Inventor before: Guo Guoyi Inventor before: Chen Kun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CAI LIPING LIU HUIMING LIAN HAIFENG GUO GUOYI CHEN KUN TO: CAI LIPING JIANG ZHIBIN LIAN HAIFENG GUO GUOYI CHEN KUN |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140108 Effective date of abandoning: 20150603 |
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| RGAV | Abandon patent right to avoid regrant |