CN102434880A - Supercharged boiler burner - Google Patents
Supercharged boiler burner Download PDFInfo
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- CN102434880A CN102434880A CN2011103905948A CN201110390594A CN102434880A CN 102434880 A CN102434880 A CN 102434880A CN 2011103905948 A CN2011103905948 A CN 2011103905948A CN 201110390594 A CN201110390594 A CN 201110390594A CN 102434880 A CN102434880 A CN 102434880A
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- cannelure
- atomizing
- atomizing medium
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- fuel
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Abstract
A supercharged boiler burner belongs to the technical field of boilers, and aims at solving the problem that the existing burner cannot meet requirements of a highly supercharged boiler which is small in hearth size and high in volume thermal load. An air regulator is a spiral-flow type air regulator and is composed of an air regulator body, a swirler, a flame stabilizer, an air door and a central tube, the output end of the central tube is arranged in the cavity of the air regulator body, the swirler is arranged on the outer wall of the air regulator body, the swirler is communicated with the cavity of the air regulator body, the flame stabilizer is fixed at the output end of the central tube, and the air door is axially arranged in the cavity of the air regulator body. A fuel injector is of a steam mechanical centrifuge pulverization type, the output end of the fuel injector is arranged in the central tube, and the fuel injector is composed of a fuel injector body, a fuel pipe, an atomizing medium pipe, a threading connector, a gland nut, a multihole fuel distribution plate, a pulverization sheet and an atomizing medium baffle. The supercharged boiler burner can meet the requirements of the highly supercharged boiler which is small in hearth size and high in volume thermal load.
Description
Technical field
The present invention relates to a kind of oil burner, belong to the boiler technology field.
Background technology
The high pressure-charging boiler volume is compact, startup is fast, and furnace volume heat release rate is high.This high-heat strength burner hearth can only be arranged a spot of Dan Zhida capacity burner; This just requires the structural parameters of burner must be able to guarantee that fuel and combustion air are more fully mixing, lighting in the short distance and reaching completing combustion; And require that flame size is little, degree of filling is high; Sufficient combustion, and the stability of flame is eager to excel.Existing boiler-burner mainly is made up of fuel injector and air register, and said fuel injector is generally mechanical atomization formula, rotary-cup type and steam atomization formula, and said air register generally adopts two kinds of spiral-flow type and flat flows.The flame size of the burner of this spline structure is big, can not satisfy the requirement that the high pressure-charging boiler furnace is little, thermic load is high.
Summary of the invention
The present invention can't satisfy the problem that high pressure-charging boiler furnace volume is little, volume heat load is high in order to solve existing burner, and a kind of burner that is applicable to the high pressure-charging boiler is provided.
The present invention solves the problems of the technologies described above the technical scheme of taking to be: said supercharged steam generator burner is made up of fuel injector and air register; Said air register is the spiral-flow type air register, is made up of air register body, cyclone, stabilizer, air door and central tube; The output of central tube is arranged in the inner chamber of air register body; Cyclone is arranged on the outer wall of air register body; And cyclone communicates with the inner chamber of air register body, and stabilizer is fixed on the output of central tube, and air door is axially disposed within the inner chamber of air register body; Fuel injector is a steam machinery centrifugal atomizing formula, and the output of fuel injector is arranged in the central tube, and fuel injector is made up of oil injector body, fuel pipe, atomizing medium pipe, nipple, clamp nut, porous oil dividing plate, atomizing piece and atomizing medium baffle plate; The oil injector body left end is provided with the atomizing medium input hole and communicates with the atomizing medium pipe, and right-hand member is provided with the fuel oil input hole and communicates with fuel pipe; The input of nipple is connected with the output of fuel pipe with the atomizing medium pipe simultaneously; Be respectively equipped with atomizing medium chamber that communicates with the atomizing medium pipe and the fuel chamber that communicates with fuel pipe on the nipple, the output end face of nipple is provided with first cannelure that communicates with fuel chamber; The output end face of porous oil dividing plate is provided with second cannelure; Be uniformly distributed with first through hole that several communicate with second cannelure on the input end face of porous oil dividing plate; The input of porous oil dividing plate is connected with the output of nipple, and first through hole communicates with first cannelure; The input end face of atomizing piece is provided with the 3rd cannelure; And the center is provided with centre bore; Between the 3rd cannelure and centre bore, be laid with several first tangential slots on the atomizing piece input end face, and each first tangential slot two ends communicates with centre bore and the 3rd cannelure respectively; The atomizing piece output end face is provided with the 4th cannelure; The bottom surface of the 4th cannelure is provided with the 5th cannelure; Form flange between centre bore and the 5th cannelure, be laid with several second tangential slots on the shape groove bottom of Fourth Ring simultaneously, and each second tangential slot communicates with the 5th cannelure all; The input of atomizing piece is connected with the output of porous oil dividing plate, and the 3rd cannelure and second cannelure are over against setting; Atomizing medium its centre place is provided with the atomizing medium through hole; The output end face of atomizing medium baffle plate is provided with taper hole, and taper hole communicates with the atomizing medium through hole, and the input of atomizing medium baffle plate is arranged in the 4th cannelure on the atomizing piece, and the flange end face on the atomizing piece is arranged in the atomizing medium through hole; Clamp nut is installed on the constituent components by atomizing medium baffle plate, atomizing piece, porous oil dividing plate and nipple, and with nipple on be threaded, the outer end of each second tangential slot communicates with the inner chamber of clamp nut.
The invention has the beneficial effects as follows:
Supercharged steam generator burner of the present invention can satisfy the requirement that high pressure-charging boiler furnace volume is little, volume heat load is high.Concrete advantage shows the following aspects:
One, because the present invention has designed atomizing piece and atomizing medium baffle plate on fuel injector; And input and output at atomizing piece have designed first tangential slot and second tangential slot respectively; Make the miscella of fuel oil and atomizing medium before getting into the taper hole chamber, realize the one-time mechanical centrifugal atomizing, under the effect of atomizing medium (compressed air or steam), realized the secondary assisted atomization after miscella leaves taper hole simultaneously.Therefore make the present invention possess the dual-use function of mechanical centrifugal atomizing and steam atomization simultaneously, the average particle size of fuel oil (SMD) behind secondary-atomizing≤50-70 μ m can satisfy the requirement of high volume heat load burning fully; Two, flameholding of the present invention and fully, noncoking is not smoldered during little, the normal combustion of flame size; Three, the present invention have simple in structure, compact, be convenient to operation, safe and reliable, be applicable to characteristics such as high pressure-charging boiler combustion.
Description of drawings
Fig. 1 is the overall structure front view of supercharged steam generator burner of the present invention, and Fig. 2 is the front view (being the A-A cutaway view of Fig. 3) of fuel injector, and Fig. 3 is the B-B cutaway view of Fig. 2; Fig. 4 is the C-C portion view of Fig. 2, and Fig. 5 is the structural front view of porous oil dividing plate, and Fig. 6 is the D-D cutaway view of Fig. 5; Fig. 7 is the assembly relation master cutaway view of atomizing piece and atomizing medium baffle plate; Fig. 8 is the structural front view of atomizing piece, and Fig. 9 is the vertical view of Fig. 8, and Figure 10 is the upward view of Fig. 8.
The specific embodiment
The specific embodiment one: combine Fig. 1～Figure 10 that this embodiment is described, the described supercharged steam generator burner of this embodiment is made up of fuel injector 1 and air register 2; Said air register is the spiral-flow type air register, is made up of air register body 2-1, cyclone 2-2, stabilizer 2-3, air door 2-4 and central tube 2-5; The output of central tube 2-5 is arranged in the inner chamber of air register body 2-1; Cyclone 2-2 is arranged on the outer wall of air register body; And cyclone 2-2 communicates with the inner chamber of air register body 2-1; Stabilizer 2-3 is fixed on the output of central tube 2-5, and air door 2-4 is axially disposed within the inner chamber of air register body 2-1; Fuel injector 1 is a steam machinery centrifugal atomizing formula; The output of fuel injector 1 is arranged in the central tube 2-5, and fuel injector 1 is made up of oil injector body 1-1, fuel pipe 1-2, atomizing medium pipe 1-3, nipple 1-4, clamp nut 1-5, porous oil dividing plate 1-6, atomizing piece 1-7 and atomizing medium baffle plate 1-8; Oil injector body 1-1 left end is provided with atomizing medium input hole 1-1-1 and communicates with atomizing medium pipe 1-3, and right-hand member is provided with fuel oil input hole 1-1-2 and communicates with fuel pipe 1-2; The input of nipple 1-4 is connected with the output of atomizing medium pipe 1-3 with fuel pipe 1-2 simultaneously; Be respectively equipped with atomizing medium chamber 1-4-1 that communicates with atomizing medium pipe 1-3 and the fuel chamber 1-4-2 that communicates with fuel pipe 1-2 on the nipple 1-4, the output end face of nipple 1-4 is provided with the first cannelure 1-4-3 that communicates with fuel chamber 1-4-2; The output end face of porous oil dividing plate 1-6 is provided with the second cannelure 1-6-1; Be uniformly distributed with the first through hole 1-6-2 that several communicate with the second cannelure 1-6-1 on the input end face of porous oil dividing plate 1-6; The input of porous oil dividing plate 1-6 is connected with the output of nipple 1-4, and the first through hole 1-6-2 communicates with the first cannelure 1-4-3; The input end face of atomizing piece 1-7 is provided with the 3rd cannelure 1-7-1; And the center is provided with centre bore 1-7-2; Between the 3rd cannelure 1-7-1 and centre bore 1-7-2, be laid with several first tangential slots 1-7-3 on the atomizing piece 1-7 input end face, and each first tangential slot 1-7-3 two ends communicates with centre bore 1-7-2 and the 3rd cannelure 1-7-1 respectively; Atomizing piece 1-7 output end face is provided with the 4th cannelure 1-7-4; The bottom surface of the 4th cannelure is provided with the 5th cannelure 1-7-5; Form flange 1-7-7 between centre bore 1-7-2 and the 5th cannelure 1-7-5; Be laid with several second tangential slots 1-7-6 on the 4th cannelure 1-7-4 bottom surface simultaneously; And each second tangential slot 1-7-6 all communicates with the 5th cannelure 1-7-5, and the input of atomizing piece 1-7 is connected with the output of porous oil dividing plate 1-6, and the 3rd cannelure 1-7-1 and the second cannelure 1-6-1 are over against setting; The center of atomizing medium baffle plate 1-8 is provided with atomizing medium through hole 1-8-1; The output end face of atomizing medium baffle plate 1-8 is provided with taper hole 1-8-2; And taper hole 1-8-2 communicates with atomizing medium through hole 1-8-1; The input of atomizing medium baffle plate 1-8 is arranged among the 4th cannelure 1-7-4 on the atomizing piece 1-7, and the flange 1-7-7 end face on the atomizing piece 1-7 is arranged in atomizing medium through hole 1-8-1; Clamp nut 1-5 is installed on the constituent components by atomizing medium baffle plate 1-8, atomizing piece 1-7, porous oil dividing plate 1-6 and nipple 1-4; And with being threaded on the nipple 1-4, the outer end of each second tangential slot 1-7-6 communicates with the inner chamber of clamp nut 1-5.
The specific embodiment two: combine Fig. 1～Figure 10 that this embodiment is described, the internal diameter of the said atomizing medium through hole of this embodiment 1-8-1 is greater than the external diameter of flange 1-7-7.Design can make atomizing medium and fuel oil mix the back and get into stabilizer 2-3 smoothly like this.Other composition and annexation are identical with the specific embodiment one.
Operation principle: fuel oil gets into inner chamber, the fuel chamber 1-4-2 of nipple 1-4, the first through hole 1-6-2, the second cannelure 1-6-1, the 3rd cannelure 1-7-1, the first tangential slot 1-7-3 of fuel pipe 1-2 successively through fuel oil input hole 1-1-2, and passes through centre bore 1-7-2 entering atomizing medium through hole 1-8-1.Simultaneously; Atomizing medium gets into atomizing medium through hole 1-8-1 through the second tangential slot 1-7-6, the 5th cannelure 1-7-5 again through the inner chamber that atomizing medium input hole 1-1-1 gets into the inner chamber of atomizing medium pipe 1-3,1-4-1 gets into clamp nut 1-5 through the atomizing medium chamber of nipple 1-4.Atomizing medium mixes the back with fuel oil and gets into taper hole 1-8-2 at atomizing medium through hole 1-8-1 place; Under the effect of rotary centrifugal force, obtain primary atomization; Miscella runs into the intense impact from the tangential wind of cyclone 2-2 when leaving taper hole 1-8-2, and then obtains to be sprayed into burner hearth behind the secondary-atomizing.
Claims (2)
1. supercharged steam generator burner, it is characterized in that: said supercharged steam generator burner is made up of fuel injector (1) and air register (2); Said air register is the spiral-flow type air register, is made up of air register body (2-1), cyclone (2-2), stabilizer (2-3), air door (2-4) and central tube (2-5); The output of central tube (2-5) is arranged in the inner chamber of air register body (2-1); Cyclone (2-2) is arranged on the outer wall of air register body; And cyclone (2-2) communicates with the inner chamber of air register body (2-1); Stabilizer (2-3) is fixed on the output of central tube (2-5), and air door (2-4) is axially disposed within the inner chamber of air register body (2-1); Fuel injector (1) is a steam machinery centrifugal atomizing formula; The output of fuel injector (1) is arranged in the central tube (2-5), and fuel injector (1) is made up of oil injector body (1-1), fuel pipe (1-2), atomizing medium pipe (1-3), nipple (1-4), clamp nut (1-5), porous oil dividing plate (1-6), atomizing piece (1-7) and atomizing medium baffle plate (1-8); Oil injector body (1-1) left end is provided with atomizing medium input hole (1-1-1) and communicates with atomizing medium pipe (1-3), and right-hand member is provided with fuel oil input hole (1-1-2) and communicates with fuel pipe (1-2); The input of nipple (1-4) is connected with the output of fuel pipe (1-2) with atomizing medium pipe (1-3) simultaneously; Be respectively equipped with atomizing medium chamber (1-4-1) that communicates with atomizing medium pipe (1-3) and the fuel chamber (1-4-2) that communicates with fuel pipe (1-2) on the nipple (1-4), the output end face of nipple (1-4) is provided with first cannelure (1-4-3) that communicates with fuel chamber (1-4-2); The output end face of porous oil dividing plate (1-6) is provided with second cannelure (1-6-1); Be uniformly distributed with first through hole (1-6-2) that several communicate with second cannelure (1-6-1) on the input end face of porous oil dividing plate (1-6); The input of porous oil dividing plate (1-6) is connected with the output of nipple (1-4), and first through hole (1-6-2) communicates with first cannelure (1-4-3); The input end face of atomizing piece (1-7) is provided with the 3rd cannelure (1-7-1); And the center is provided with centre bore (1-7-2); Be positioned on atomizing piece (1-7) input end face and be laid with several first tangential slots (1-7-3) between the 3rd cannelure (1-7-1) and the centre bore (1-7-2), and each first tangential slot (1-7-3) two ends communicates with centre bore (1-7-2) and the 3rd cannelure (1-7-1) respectively; Atomizing piece (1-7) output end face is provided with the 4th cannelure (1-7-4); The bottom surface of the 4th cannelure is provided with the 5th cannelure (1-7-5); Form flange (1-7-7) between centre bore (1-7-2) and the 5th cannelure (1-7-5); Be laid with several second tangential slots (1-7-6) on the 4th cannelure (1-7-4) bottom surface simultaneously; And each second tangential slot (1-7-6) all communicates with the 5th cannelure (1-7-5), and the input of atomizing piece (1-7) is connected with the output of porous oil dividing plate (1-6), and the 3rd cannelure (1-7-1) and second cannelure (1-6-1) are over against setting; The center of atomizing medium baffle plate (1-8) is provided with atomizing medium through hole (1-8-1); The output end face of atomizing medium baffle plate (1-8) is provided with taper hole (1-8-2); And taper hole (1-8-2) communicates with atomizing medium through hole (1-8-1); The input of atomizing medium baffle plate (1-8) is arranged in the 4th cannelure (1-7-4) on the atomizing piece (1-7), and flange (1-7-7) end face on the atomizing piece (1-7) is arranged in atomizing medium through hole (1-8-1); Clamp nut (1-5) is installed on the constituent components by atomizing medium baffle plate (1-8), atomizing piece (1-7), porous oil dividing plate (1-6) and nipple (1-4); And with being threaded on the nipple (1-4), the outer end of each second tangential slot (1-7-6) communicates with the inner chamber of clamp nut (1-5).
2. a kind of supercharged steam generator burner according to claim 1 is characterized in that: the internal diameter of said atomizing medium through hole (1-8-1) is greater than the external diameter of flange (1-7-7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103905948A CN102434880A (en) | 2011-11-30 | 2011-11-30 | Supercharged boiler burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103905948A CN102434880A (en) | 2011-11-30 | 2011-11-30 | Supercharged boiler burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102434880A true CN102434880A (en) | 2012-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103905948A Pending CN102434880A (en) | 2011-11-30 | 2011-11-30 | Supercharged boiler burner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672887A (en) * | 2013-12-17 | 2014-03-26 | 哈尔滨工程大学 | Small supercharged boiler burner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57150715A (en) * | 1981-03-13 | 1982-09-17 | Matsushita Electric Ind Co Ltd | Gun type burner |
| KR970028054A (en) * | 1995-11-29 | 1997-06-24 | 박석호 | Fuel injection device of industrial boiler |
| DE102007023266A1 (en) * | 2006-05-19 | 2007-11-22 | Delavan Inc. | Apparatus and method for compensating for differential thermal expansion of injector components |
| CN101435576A (en) * | 2008-11-28 | 2009-05-20 | 北京大学 | Double-stage injection type pre-film pneumatic atomizing nozzle |
| CN101725971A (en) * | 2009-11-30 | 2010-06-09 | 中国船舶重工集团公司第七○三研究所 | Oil burner with high viscosity |
| CN202371716U (en) * | 2011-11-30 | 2012-08-08 | 中国船舶重工集团公司第七�三研究所 | Burner for supercharged boiler |
-
2011
- 2011-11-30 CN CN2011103905948A patent/CN102434880A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57150715A (en) * | 1981-03-13 | 1982-09-17 | Matsushita Electric Ind Co Ltd | Gun type burner |
| KR970028054A (en) * | 1995-11-29 | 1997-06-24 | 박석호 | Fuel injection device of industrial boiler |
| DE102007023266A1 (en) * | 2006-05-19 | 2007-11-22 | Delavan Inc. | Apparatus and method for compensating for differential thermal expansion of injector components |
| CN101435576A (en) * | 2008-11-28 | 2009-05-20 | 北京大学 | Double-stage injection type pre-film pneumatic atomizing nozzle |
| CN101725971A (en) * | 2009-11-30 | 2010-06-09 | 中国船舶重工集团公司第七○三研究所 | Oil burner with high viscosity |
| CN202371716U (en) * | 2011-11-30 | 2012-08-08 | 中国船舶重工集团公司第七�三研究所 | Burner for supercharged boiler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672887A (en) * | 2013-12-17 | 2014-03-26 | 哈尔滨工程大学 | Small supercharged boiler burner |
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Application publication date: 20120502 |