CN202350028U - Two-stage gasified oil combustor - Google Patents
Two-stage gasified oil combustor Download PDFInfo
- Publication number
- CN202350028U CN202350028U CN2011205197569U CN201120519756U CN202350028U CN 202350028 U CN202350028 U CN 202350028U CN 2011205197569 U CN2011205197569 U CN 2011205197569U CN 201120519756 U CN201120519756 U CN 201120519756U CN 202350028 U CN202350028 U CN 202350028U
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- oil
- gun
- gasifier
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- level
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- 238000002309 gasification Methods 0.000 claims abstract description 52
- 238000000889 atomisation Methods 0.000 claims abstract description 35
- 239000003381 stabilizer Substances 0.000 claims abstract description 14
- 239000003921 oil Substances 0.000 claims description 180
- 239000000446 fuel Substances 0.000 claims description 12
- 239000000295 fuel oil Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 18
- 239000000779 smoke Substances 0.000 abstract description 2
- 230000000452 restraining effect Effects 0.000 abstract 2
- 239000003595 mist Substances 0.000 description 8
- 239000000523 sample Substances 0.000 description 3
- 238000010304 firing Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 210000000003 hoof Anatomy 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a two-stage gasified oil combustor, which includes an oil gasifier (1), a wind distributing cylinder (2) equipped with a flame stabilizer inside, a burning torch (3), a first-stage atomization oil gun (5), a second-stage atomization oil gun (6) and an oil inlet tube (7), wherein the oil gasifier is arranged inside the wind distributing cylinder, an oil inlet joint of the oil gasifier is connected with the oil inlet tube, and an oil gas output joint of the oil gasifier is connected with the first-stage atomization oil gun. The two-stage gasified oil combustor is characterized in that the two-stage gasified oil combustor further includes a flame restraining cylinder (10), which at least partially surrounds the wind distributing cylinder in the axial direction; and the second-stage atomization oil gun penetrates the wind distributing cylinder and extends into the flame restraining cylinder. The two-stage gasified oil combustor provided by the utility model is mainly used as a large oil gun combustion apparatus on various boilers in each thermal power plant in the power industry, and is mounted in a second air duct. The two-stage gasified oil combustor can realize gasification combustion, so that the combustion efficiency is very high; and particularly, when cold furnaces are ignited, the phenomenon that the conventional large oil gun combustion apparatus generates black smoke can be completely eliminated, so that the two-stage gasified oil combustor is energy-saving and environment-friendly.
Description
Technical field
The utility model relates to a kind of two-stage gasification oil burner.
Background technology
Because various forms of big oil gun burners all are to be contained in the boiler secondary air road at present, the oil gun nozzle is positioned at the stabilizer center, and stabilizer all is a little retraction boiler water wall inboard.Obviously, this structure, the mist of oil of its oil gun nozzle ejection all will arrive the burner hearth internal combustion.During the starting ignition of boiler black furnace because temperature is very low in this moment stove, especially those winters outdoor outdoor boiler, temperature even reach below the zero centigrade in the stove.In this case, efficiency of combustion is low-down.The billowing black smoke of emerging from chimney just suffices to show that this point.The time of large-sized boiler over-emitting black exhaust is thirty or forty minute, not only wastes fuel, and serious environment pollution.Therefore, need exploitation gasification oil burner to overcome above-mentioned shortcoming, can either improve the efficient of oil firing, can secondary wind in the secondary air duct and oil gun flame be isolated again, make it unaffected.
The utility model content
The purpose of the utility model is, a kind of two-stage gasification oil burner is provided, and through the lifting of oily gasifier gasification efficiency the combustibility of oil burner is significantly improved so as to realizing.
Press the two-stage gasification oil burner of the utility model; Comprise oily gasifier, air distribution tube, burning torch, one-level atomized oil gun, secondary gasification oil gun and oil inlet pipe, wherein, oily gasifier is arranged on the inside of air distribution tube; The fuel inlet fitting of oil gasifier is connected with oil inlet pipe; The oil gas out splice going splice of oil gasifier is connected with the one-level atomized oil gun, it is characterized by, and said two-stage gasification oil burner also comprises a bundle fire tube; This bundle fire tube at least partly surrounds said air distribution tube vertically, and secondary gasification oil gun passes the air distribution tube and reaches in the bundle fire tube.
Preferably; The one-level atomized oil gun is designed to the integrated mechanical atomization oil gun of one-level; It comprises at least two simple and mechanical atomized oil guns, an oil distributing ring and an oil-feed bend pipe, and wherein, said oil-feed bend pipe is connected with oil distributing ring and is used to import fuel oil; Each simple and mechanical atomized oil gun is connected with said oil distributing ring through a bridge piece, and said oil distributing ring is used for the fuel distribution through said oil-feed bend pipe input is arrived each simple and mechanical atomized oil gun.
Preferably, said simple atomized oil gun comprises barral of a gun and the nozzle that is arranged on barral of a gun one end; One end of said bridge piece is connected with oil distributing ring with one first pipe joint through one first pipe joint nut, and the other end of bridge piece is connected with the other end of barral of a gun with one second pipe joint through one second pipe joint nut.Like this, only need when changing simple and mechanical atomized oil gun the pipe joint nut that bend pipe is connected with simple and mechanical atomized oil gun unclamped and get final product, need not disassemble other any parts, significantly improved the simplicity of keeping in repair.
Preferably, be provided with filter in the inside of said barral of a gun near nozzle.Improved the durability of oil gun so greatly.
Preferably, said at least two simple and mechanical atomized oil guns insert in the said oil distributing ring and in oil distributing ring, are provided with evenly distributedly.
Preferably, the oil-feed bend pipe of the integrated mechanical atomization oil gun of said one-level is connected with the oily gasifier that is used for gasified fuel with one the 3rd pipe joint through one the 3rd pipe joint nut.
Preferably, be provided with stabilizer at the inside of air distribution tube, the upper reaches of oily gasifier, the oil gas out splice going splice of said oily gasifier is connected with the integrated mechanical atomization oil gun of one-level through bend pipe, and the integrated mechanical atomization oil gun of one-level stretches in the said stabilizer.
Preferably, burning torch inserts in the stabilizer, and the integrated mechanical atomization oil gun of one-level is arranged on the upper reaches of oily gasifier, and the insertion end of burning torch is between integrated mechanical atomization oil gun of one-level and the oily gasifier.
Preferably, said oily gasifier and air distribution tube are integrally welded.
Preferably, said bundle fire tube is made up of ring flange, outer tube, collet and support ring, and wherein, ring flange is arranged on an end of outer tube, and collet and support ring are arranged on the inside of outer tube.
Preferably, said bundle fire tube is made up of ring flange, outer tube, collet and support ring, and wherein, ring flange is arranged on an end of outer tube, and collet and support ring are arranged on the inside of outer tube.
Preferably, the sleeve pipe leading portion is provided with the many air vents that are used to feed secondary wind outside.
Preferably, at the arrival end place of air distribution tube the visible light flame detecting probe is set.
In the utility model, transmitted beam fire tube can reach: the flame of one-level oil gun is limited in the bundle fire tube, makes it gasification so that heating is positioned at its secondary gasification oil gun; The high temperature gas flow that produces in the bundle fire tube can improve the circumference temperature of secondary gasification oil gun; Improve its efficiency of combustion; Cut off of the influence of the flame of one-level oil gun to the secondary wind in the secondary air duct.
In the utility model; Can there be enough spaces to penetrate secondary gasification oil gun in the centre of the integrated mechanical atomization oil gun of one-level; And through at least two, preferred three mist of oil cross-distribution that simple and mechanical atomized oil gun sprays, the mist of oil of having eliminated single simple and mechanical atomized oil gun ejection becomes the shortcoming of shape of a hoof distribution.
In addition, because secondary gasification oil gun has been realized gasification, and combustion, make two-stage gasification oil burner have following major advantage:
Exerting oneself of-secondary gasification oil gun regulated than>10: 1;
-black furnace not the over-emitting black exhaust of lighting a fire;
-efficiency of combustion is high;
-flame rigidity is big;
-general structure is very simple, and oil gun, burning torch are not all established driving and reversing mechanism also can guarantee equipment safety operation.
The two-stage gasification oil burner of the utility model is mainly used on each thermal power plant various forms boiler of power industry and uses as big oil gun burner, and it is contained in the secondary air duct.Because it can realize gasification, and combustion,, can eliminate the phenomenon of conventional big oil gun burner over-emitting black exhaust when particularly black furnace is lighted a fire fully, promptly energy-conservation environmental protection again so efficiency of combustion is high.
Description of drawings
Below in conjunction with accompanying drawing the embodiment according to the utility model is described in detail, with further feature and the advantage that provides the utility model.In the accompanying drawing:
Fig. 1 a and 1b illustrate longitudinal section, the side view of the two-stage gasification oil burner of an embodiment of the utility model respectively;
Fig. 2 a, 2b and 2c illustrate side view, end-view and the longitudinal section of the integrated mechanical atomization oil gun of an embodiment of the utility model respectively;
Fig. 2 d illustrates the longitudinal section that the bend pipe of the integrated mechanical atomization oil gun of an embodiment of the utility model is connected with simple and mechanical mist China oil gun;
Fig. 3 a and 3b illustrate side view and the end-view by the bundle fire tube of an embodiment of the utility model respectively.
The specific embodiment
Fig. 1 a, 1b illustrate longitudinal section, the vertical view of the two-stage gasification oil burner of an embodiment of the utility model respectively.Shown in Fig. 1 a, 1b; This two-stage gasification oil burner comprises oily gasifier 1, air distribution tube 2, burning torch 3, one-level atomized oil gun 5, secondary gasification oil gun 6 and oil inlet pipe 7; Wherein, oily gasifier 1 is arranged on the inside of air distribution tube 2, and preferred oil gasifier 1 is integrally welded with air distribution tube 2; The fuel inlet fitting of oil gasifier 1 is connected with oil inlet pipe 7, and the oil gas out splice going splice of oily gasifier 1 is connected with one-level atomized oil gun 5.Two-stage gasification oil burner comprises that is also restrainted a fire tube 10, and this bundle fire tube at least partly surrounds air distribution tube 2 vertically, and secondary gasification oil gun 6 passes air distribution tube 2 and reaches in the bundle fire tube 10.
Preferably in the inside of air distribution tube 2, the upper reaches of oily gasifier 1 (for the air distribution flow direction in the air distribution tube) be provided with stabilizer 4.The oil gas out splice going splice of oil gasifier 1 is connected with one-level atomized oil gun 5 through oil-feed bend pipe 8, and one-level atomized oil gun 5 stretches in the stabilizer 4.In addition, burning torch 3 inserts in the stabilizer 4, and one-level atomized oil gun 5 is arranged on the upper reaches of oily gasifier 1, and the insertion end of burning torch 3 is in one-level atomized oil gun 5 and is used between the oily gasifier 1 of gasified fuel.Arrival end place at air distribution tube 2 can be provided with visible light flame detecting probe 9.Arrival end place at the air distribution tube can also be provided with flame-observing hole.
Fig. 2 a, 2b and 2c illustrate side view, end-view and the longitudinal section of the integrated mechanical atomization oil gun of an embodiment of the utility model respectively; Fig. 2 d illustrates the longitudinal section that the bend pipe 53 of the integrated mechanical atomization oil gun of an embodiment of the utility model is connected with simple and mechanical atomized oil gun 51, and this integrated mechanical atomization oil gun can be used as above-mentioned one-level atomized oil gun 5.Shown in Fig. 2 a, 2b, 2c and 2d; This integrated mechanical atomization oil gun comprises three simple and mechanical atomized oil guns 51, an oil distributing ring 52 and an oil-feed bend pipe 8; Wherein, Oil-feed bend pipe 8 is connected with oil distributing ring 52 and is used to import fuel oil, and each simple and mechanical atomized oil gun 51 is connected with oil distributing ring 52 through a bridge piece 53, and said oil distributing ring 52 is used for the fuel distribution through said oil-feed bend pipe 8 inputs is arrived each simple and mechanical atomized oil gun 51.Simple atomized oil gun 51 comprises barral of a gun 511 and the nozzle 512 that is arranged on barral of a gun 511 1 ends; One end of bridge piece 53 is connected with oil distributing ring 52 with a pipe joint 515 through a pipe joint nut 514, and the other end of bridge piece 53 is connected with the other end of barral of a gun 51 with a pipe joint 515 through a pipe joint nut 514.Inside at barral of a gun 511 is provided with filter 513 near nozzle 512.Three simple and mechanical atomized oil guns 51 insert in the oil distributing ring 52 and in oil distributing ring 52 and are provided with evenly distributedly, promptly like 120 degree of each interval in the plane of Fig. 2 oil distributing ring that b is shown in 52.This integrated mechanical atomization oil gun 5 can be used as the one-level atomized oil gun of the utility model two-stage gasification oil burner; Its oil-feed bend pipe 8 is connected with oil distributing ring 52 with a pipe joint 82 through a pipe joint nut 81, and the oily gasifier 1 that the other end of oil-feed bend pipe 8 is used for gasified fuel connects.
The course of work of the integrated mechanical atomization oil gun of the utility model is: the fuel oil of oily gasifier 1 output enters oil-feed bend pipe 8, enters oil distributing ring 52 then, distributes and get into each simple and mechanical atomized oil gun 51 through bend pipe 53 through oil distributing ring 52 again to be sprayed into mist of oil.All be provided with filter in each simple and mechanical atomized oil gun, filter is contained in earlier on the nozzle, then in the barral of a gun of together packing into.Can guarantee that simple and mechanical atomized oil gun nozzle uses for a long time, can blockage phenomenon.
Fig. 3 a and 3b illustrate side view and the end-view by the part section of the bundle fire tube of an embodiment of the utility model respectively.Shown in Fig. 3 a, 3b, this bundle fire tube 10 is made up of ring flange 101, outer tube 102, collet 103 and support ring 104, and wherein, ring flange 101 is arranged on an end of outer tube 102, and collet 103 and support ring 104 are arranged on the inside of outer tube 102.Sleeve pipe 102 leading portions are provided with the many air vents 105 that are used to feed secondary wind outside.
The course of work of the two-stage gasification oil burner of the utility model is: fuel oil enters oily gasifier 1 through oil inlet pipe 7; Enter one-level atomized oil gun 5 (the integrated mechanical atomization oil gun of one-level) through discharge conection and oil-feed bend pipe 8 again and form mist of oil; Mist of oil is lighted by the electric spark that burning torch 3 sends, and (the tubular space in the integrated mechanical atomization oil gun of one-level between each simple and mechanical atomized oil gun rifle head to gasifier taper reducing) forms thermal-flame in precombustion chamber.After this oily gasifier can receive the baking of thermal-flame in the precombustion chamber and the fuel Heating gasification in it of will flowing through immediately, thereby the integrated mechanical atomization oil gun of one-level is burnt by original cold oil mist becomes the deep fat gas firing, and efficiency of combustion significantly improves.The flame of the integrated mechanical atomization oil gun of one-level mainly is to be used to heat secondary gasification oil gun 6, makes it to realize gasification, and combustion.In addition; Circumference temperature when the high temperature gas flow that the integrated mechanical atomization oil gun of one-level flame produces also can significantly improve the burning of secondary gasification oil gun; Its efficiency of combustion further is improved; The flame of the integrated mechanical atomization oil gun of one-level is again the flame on duty of secondary gasification oil gun simultaneously, and this flame on duty can guarantee that secondary gasification oil gun is lighted at any time smoothly.The high circumference temperature and the existence of flame on duty just can guarantee that secondary gasification oil gun is in that do not have also can smooth combustion under the situation of stabilizer.Secondary gasification oil gun ability gasification, and combustion, its rate of economizing gasoline is very big.
Burning torch 3 is used to light the flame of the integrated mechanical atomization oil gun of one-level; This burning torch is positioned at stabilizer 2; A large amount of combustion airs owing to circulating in the stabilizer, so the environment temperature of burning torch work is very low, driving and reversing mechanism need not be set just can reliable long-term work.The rifle head of secondary gasification oil gun 5 keeps certain distance apart from water-cooling wall, and still has during stopping transport that a small amount of combustion air is continual to circulate, and driving and reversing mechanism equally also need not be set can guarantee the long-term safety reliably working.
The flame that flame detecting probe 9 directly detects is the flame of the integrated mechanical atomization oil gun of one-level; And the flame of the integrated mechanical atomization oil gun of one-level contracts fully deeply in bundle fire tube 10; So it is very little to steal a glance in the stove close other oil gun flame probability, therefore the safe operation coefficient of fire inspection is high.
Claims (11)
1. two-stage gasification oil burner; Comprise oily gasifier (1), air distribution tube (2), burning torch (3), one-level atomized oil gun (5), secondary gasification oil gun (6) and oil inlet pipe (7), wherein, oily gasifier (1) is arranged on the inside of air distribution tube (2); The fuel inlet fitting of oil gasifier (1) is connected with oil inlet pipe (7); The oil gas out splice going splice of oil gasifier (1) is connected with one-level atomized oil gun (5), it is characterized by, and said two-stage gasification oil burner also comprises a bundle fire tube (10); This bundle fire tube at least partly surrounds said air distribution tube (2) vertically, and secondary gasification oil gun (6) passes the air distribution tube and reaches in the bundle fire tube (10).
2. two-stage gasification oil burner according to claim 1; It is characterized in that; Said one-level atomized oil gun (5) is designed to the integrated mechanical atomization oil gun of one-level; The integrated mechanical atomization oil gun of this one-level comprises at least two simple and mechanical atomized oil guns (51), an oil distributing ring (52) and an oil-feed bend pipe (8), and wherein, said oil-feed bend pipe (8) is connected with oil distributing ring (52) and is used to import fuel oil; Each simple and mechanical atomized oil gun (51) is connected with said oil distributing ring (52) through a bridge piece (53), and said oil distributing ring (52) is used for the fuel distribution through said oil-feed bend pipe (8) input is arrived each simple and mechanical atomized oil gun (51).
3. two-stage gasification oil burner according to claim 2, it is characterized in that: said simple atomized oil gun (51) comprises barral of a gun (511) and is arranged on the nozzle (512) of barral of a gun (511) one ends; One end of said bridge piece (53) is connected with oil distributing ring (52) with one first pipe joint through one first pipe joint nut, and the other end of bridge piece (53) is connected with the other end of one second pipe joint with barral of a gun (51) through one second pipe joint nut.
4. two-stage gasification oil burner according to claim 3, it is characterized in that: the inside at said barral of a gun (511) is provided with filter (513) near nozzle (512).
5. according to the described two-stage gasification of one of claim 2 to 4 oil burner, it is characterized in that: said at least two simple and mechanical atomized oil guns (51) insert in the said oil distributing ring (52) and in oil distributing ring (52), are provided with evenly distributedly.
6. according to the described two-stage gasification of one of claim 2 to 4 oil burner; It is characterized in that the oil-feed bend pipe (8) of the integrated mechanical atomization oil gun of said one-level is connected with the oily gasifier (1) that is used for gasified fuel with one the 3rd pipe joint through one the 3rd pipe joint nut.
7. according to the described two-stage gasification of one of claim 2 to 4 oil burner; It is characterized in that: in the inside of air distribution tube, the upper reaches of oily gasifier (1) are provided with stabilizer (2); The oil gas out splice going splice of said oily gasifier (1) is connected through the integrated mechanical atomization oil gun of oil-feed bend pipe (8) and one-level, and the integrated mechanical atomization oil gun of one-level stretches in the said stabilizer (2).
8. two-stage gasification oil burner according to claim 7; It is characterized in that: burning torch (3) inserts in the stabilizer (4); The integrated mechanical atomization oil gun of one-level is arranged on the upper reaches of oily gasifier, and the insertion end of burning torch (3) is between integrated mechanical atomization oil gun of one-level and the oily gasifier (1).
9. according to the described two-stage gasification of one of claim 1 to 4 oil burner, it is characterized in that: said oily gasifier (1) is integrally welded with air distribution tube (2).
10. according to the described two-stage gasification of one of claim 1 to 4 oil burner; It is characterized in that: said bundle fire tube (10) is made up of ring flange (101), outer tube (102), collet (103) and support ring (104); Wherein, Ring flange (101) is arranged on an end of outer tube (102), and collet (103) and support ring (104) are arranged on the inside of outer tube (102).
11. two-stage gasification oil burner according to claim 10, it is characterized in that: sleeve pipe (102) leading portion is provided with the many air vents (105) that are used to feed secondary wind outside.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011205197569U CN202350028U (en) | 2011-12-14 | 2011-12-14 | Two-stage gasified oil combustor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011205197569U CN202350028U (en) | 2011-12-14 | 2011-12-14 | Two-stage gasified oil combustor |
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CN202350028U true CN202350028U (en) | 2012-07-25 |
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CN2011205197569U Expired - Fee Related CN202350028U (en) | 2011-12-14 | 2011-12-14 | Two-stage gasified oil combustor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104456553B (en) * | 2014-11-24 | 2016-08-10 | 浙江大学 | It is applicable to taper flame burner and the method thereof of Study of Liquid fuel combustion characteristics |
-
2011
- 2011-12-14 CN CN2011205197569U patent/CN202350028U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104456553B (en) * | 2014-11-24 | 2016-08-10 | 浙江大学 | It is applicable to taper flame burner and the method thereof of Study of Liquid fuel combustion characteristics |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20201214 |