CN201129729Y - Gas, solid fuel combined combustion nozzle for combustion girder - Google Patents
Gas, solid fuel combined combustion nozzle for combustion girder Download PDFInfo
- Publication number
- CN201129729Y CN201129729Y CNU2007201023260U CN200720102326U CN201129729Y CN 201129729 Y CN201129729 Y CN 201129729Y CN U2007201023260 U CNU2007201023260 U CN U2007201023260U CN 200720102326 U CN200720102326 U CN 200720102326U CN 201129729 Y CN201129729 Y CN 201129729Y
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- burner
- solid fuel
- fuel
- assembly
- solid
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Abstract
The utility model relates to a gas and solid fuel combined combustion nozzle for a burning beam, which comprises a solid fuel combustion nozzle component, 1-8 fuel gas combustion nozzle components and a combustion-supporting air outlet which are respectively connected with a solid fuel pipe, a gas fuel pipe and a combustion-supporting air channel, wherein the solid fuel combustion nozzle component, the fuel gas combustion nozzle components and the combustion-supporting air outlet are jointed in a mixing bin which is arranged on the front end of the combustion nozzle. An outlet portion of the combustion nozzle component is two frustum structures whose small heads are opposite, and the taper of the frustum is 10 degree -160 degree. The surrounding of a central nozzle of the combustion nozzle is equipped with 3-8 peripheral nozzles, the root portion of the combustion nozzle component is respectively connected with the solid fuel pipe and the gas fuel pipe through thread, and the length of the solid fuel combustion nozzle component and the fuel gas combustion nozzle components in the mixing bin is adjusted through the thread. The utility model has simple and compact structure, flexible use, wide application scope, is capable of using one fuel and is also simultaneously capable of using two fuels which are gas fuel and solid fuel to heat, the heat is steadily supplied, the burning effect is excellent, and the thermal efficiency is high.
Description
Technical field
The utility model relates to heating furnace, kiln burner, belongs to the combustion apparatus technical field.
Background technology
Burner is the critical piece of heating furnace, kiln, and its effect is that introducing gas or solid fuel burn at burner spout place, adds thermal material.Existing single type fuel nozzle, have following defective in the heating furnace use: the heating furnace that 1. uses the single type fuel nozzle often breaks down because of undercharge or feed system at work, temperature can not keep continuity, and more exchange device need stop.The heating furnace of 2. single solid fuel burner can be because of the relative low problem that has the heating efficiency deficiency with efficiency of combustion of solid-fuelled ignition temperature.
Chinese patent CN26620781Y discloses the compound burner of a kind of gas-solid, this burner be solid fuel pipe, gaseous fuel pipe and combustion-aid air pipe successively around the concentric circles tubular structure, it is that leg-of-mutton flow distribution plate is shunted fuel that a cross section is equipped with at the ejiction opening place of burner, has solved single-fuel heat supply instability, problem that efficiency of combustion is low.But the deficiency of this burner is: the fuel that can not distribute uniformly is unfavorable for full combustion of fuel; Simultaneously, work under the washing away of high temperature and fuel, fracture can take place and damage in flow distribution plate, reduction of service life, influences the usability and the combustibility of burner.
Summary of the invention
The purpose of this utility model provides the combination burner of a kind of heating furnace, kiln burning beam usefulness gas, solid two kinds of fuel, to overcome the existing heat supply instability of single type fuel nozzle, defective that efficiency of combustion is low, solve the deficiency that bushing type two phase combustion device fuel distribution inequality, fuel and air undercompounding and shunting device damage easily simultaneously, fuel and air are fully mixed, improve the stability and the thermal efficiency of burning.
Combination burner provided by the utility model is connected with solid fuel pipe, gaseous fuel pipe, combustion air passage, described combination burner is by a solid fuel burner assembly, 1～8 fuel burner nozzle assembly and combustion air export mixes, solid fuel burner assembly, fuel burner nozzle assembly and combustion air outlet compile at the mixing bunker of combination burner front end.
As preferably, described combination burner adopts a solid fuel burner assembly, two fuel burner nozzle assemblies and combustion air outlet to form.Burner assembly is the critical piece of combination burner, the solid fuel burner assembly is identical with the fuel burner nozzle element shapes, be the tubular type structure, the exit portion of burner assembly has closing in, be two frustum structures that the microcephaly is relative, the tapering α of frustum is 10 °～160 °, and preferred tapering α is 20 °～90 °.
Burner assembly (comprising solid fuel burner assembly and fuel burner nozzle assembly) is provided with the center nozzle burner oil, for making fuel distribution even, center nozzle around offer a plurality of peripheral spouts, the utility model is selected 3～8 peripheral spouts for use, be evenly distributed on center nozzle around.The angle β of the center line of burner assembly periphery spout and the center nozzle center line of burner assembly is 5 °～80 °, 15 °～50 ° at preferred β angle.
The outlet mixing bunker of combination burner is the cartridge type body, the mixing bunker cross section be shaped as Long Circle, circle, ellipse, rectangle, the utility model is preferably the Long Circle shape.The solid fuel burner assembly is positioned at the center of mixing bunker, the fuel burner nozzle assembly be positioned at the solid fuel burner assembly around, between solid fuel burner assembly and the fuel burner nozzle assembly and around the space be combustion air outlet.Above-mentioned solid fuel burner assembly and the root of fuel burner nozzle assembly respectively with the burning beam casing in the solid fuel pipe be connected with the gaseous fuel gas thread, and the calorific value according to actual operating position and fuel changes, and uses threaded adjusting solid fuel burner assembly and the fuel burner nozzle assembly length at mixing bunker.
As selection, another program of the present utility model be described solid fuel burner assembly and fuel burner nozzle assembly root respectively with the burning beam casing in solid fuel pipe and gaseous fuel pipe be welded to connect.
Above-mentioned solid fuel Guan Weiyuan tubular body, gaseous fuel pipe and combustion air passage are box-shaped body.Solid fuel pipe and gaseous fuel pipe pass through from combustion air passage box-shaped body, and afterbody is connected with the gaseous fuel line with the solid fuel pipeline respectively.The combustion air passage is connected by taking over outside blower equipment.As selection, gaseous fuel pipe and combustion air passage can be round tubular body.For avoiding overheated, burning beam is provided with the cavity by cooling medium, and cavity is positioned at combustion air passage casing outside, and cooling medium is conduction oil or water.
The utility model can be used alone fuel (solid fuel or gaseous fuel), also can use the heating of burning of solid and gaseous fuel simultaneously.The used solid fuel of the utility model is coal dust, the coke powder of diameter less than 0.1mm; Gaseous fuel is a liquefied gas, natural gas, the coal gas that blast furnace, converter, producer etc. produce.Suit in heating furnace, kilns such as limekiln, steel rolling, baking alloy, to use.
Compared with prior art the utility model has the advantages that: flexible operation, can use a kind of fuel, also can use gas, solid two kinds of fuel heating simultaneously, heat supply is stable; Because special spout structure mixes fuel and air, combustion efficiency is good, thermal efficiency height; Simple in structure, compact, be convenient to make, install and change; The use fuel range is extensive, applied range.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the utility model combination burner profile;
Fig. 3 is the utility model burner assembly profile;
Fig. 4 is the utility model mounting structure schematic diagram;
Fig. 5 is that the A of Fig. 4 is to figure;
Fig. 6 is the B-B figure of Fig. 4;
Fig. 7 is the C-C figure of Fig. 4.
The specific embodiment
Below in conjunction with drawings and embodiments the utility model is further described.
Combination burner described in the utility model as shown in Figure 1 and Figure 2.Solid fuel burner assembly 5 is positioned at the center of mixing bunker 4, and fuel burner nozzle assembly 6 is positioned at the bilateral symmetry position of solid fuel burner assembly 5.Combustion air burns in mixing bunker 4 and fuel mix between solid fuel burner assembly 5 and the fuel burner nozzle assembly 6 and combustion air on every side outlet 11 ejections.As shown in Figure 5, mixing bunker 4 is the Long Circle structure.
Solid fuel burner assembly 5 is identical with fuel burner nozzle assembly 6 shapes, is round tube shape structure, makes with heat resisting steel (Cr25Ni20 or similar steel), and the diameter of solid fuel burner assembly is slightly less than the diameter of fuel burner nozzle assembly.The length of burner assembly is determined according to actual needs.As Fig. 2, shown in Figure 3, solid burner assembly 5 is provided with center nozzle 7 and 4 peripheral spouts 9, and fuel burner nozzle assembly 6 is provided with center nozzle 8 and 4 peripheral spouts 10.For the fuel distribution that makes ejection is even, the exit portion of the center nozzle of burner assembly adds closing in, makes the burner outlet be two frustum structures that the microcephaly is relative, and the tapering α of frustum is 50 °.Periphery spout 9,10 outward-dipping openings, lay respectively at solid gas burner assembly center nozzle 7 and fuel burner nozzle assembly center nozzle 8 around, evenly distribute.The angle β of burner assembly periphery spout 9,10 center lines and center nozzle 7,8 center lines is 25 °.
The root of described solid fuel burner assembly 5 and fuel burner nozzle assembly 6 is threaded with solid fuel pipe 1 gaseous fuel pipe 2 respectively and is connected, according to actual needs, and with threaded adjusting solid fuel burner assembly 5 and the length of fuel burner nozzle assembly 6 in mixing bunker.Each burning beam is installed two groups of combination burners, every group 5 burning mixing bunkers is installed.The corresponding solid fuel burner assembly of every solid fuel pipe, the gaseous fuel in every group in all fuel burner nozzle common gas cartridge 2.
As shown in Figure 6 and Figure 7, solid fuel pipe 1 is the circle tubular body, and gaseous fuel pipe 2 and combustion air passage 3 are box-shaped body, and solid fuel pipe 1 and gaseous fuel pipe 2 pass through from combustion air passage 3 box-shaped bodies.As shown in Figure 4, solid fuel pipe 1 is connected with the solid fuel pipeline by exterior tube 13, and gaseous fuel pipe 2 is connected with the gaseous fuel line by taking over 14, and combustion air passage 3 passes through tube connector 15 and exterior tubing is connected with blower equipment.For avoiding apparatus overheat, as shown in Figure 7, the cavity 12 that the outside of combustion air passage casing has cooling medium to pass through uses conduction oil to make cooling medium.
Claims (10)
1. a heating furnace, kiln burning beam usefulness gas, solid fuel fabrication burner, link to each other with solid fuel pipe (1), gaseous fuel pipe (2), combustion air passage (3), it is characterized in that: the combination burner is by a solid fuel burner assembly (5), and 1～8 fuel burner nozzle assembly (6) and combustion air outlet (11) constitute; Solid fuel burner assembly (5), fuel burner nozzle assembly (6) and combustion air outlet (11) mixing bunker (4) before burner compile.
2. burning beam usefulness gas according to claim 1, solid fuel fabrication burner is characterized in that: described combination burner is by a solid fuel burner assembly (5), and two fuel burner nozzle assemblies (6) and combustion air outlet (11) constitute.
3. burning beam usefulness gas according to claim 1 and 2, solid fuel fabrication burner, it is characterized in that: the mixing bunker of burner front end (4) is the cartridge type body, and the cross section of mixing bunker is Long Circle, circle, ellipse or rectangle.
4. burning beam usefulness gas according to claim 3, solid fuel fabrication burner, it is characterized in that: the outlet mixing bunker (4) of burner is the Long Circle structure, solid fuel burner assembly (5) is positioned at the center, fuel burner nozzle assembly (6) be positioned at solid fuel burner assembly (5) around, between solid fuel burner assembly (5) and the fuel burner nozzle assembly (6) and around the space be combustion air outlet (11).
5. burning beam usefulness gas according to claim 1, solid fuel fabrication burner, it is characterized in that: the exit portion of described solid fuel burner assembly (5) and fuel burner nozzle assembly (6) is two frustum structures that the microcephaly is relative, and the tapering α of frustum is 10 °～160 °.
6. burning beam usefulness gas according to claim 5, solid fuel fabrication burner, it is characterized in that: the center nozzle (7) of solid fuel burner assembly (5) and the center nozzle (8) of fuel burner nozzle assembly (6) are respectively equipped with 3～8 peripheral spouts (9,10) on every side.
7. burning beam usefulness gas according to claim 6, solid fuel fabrication burner, it is characterized in that: the center line of solid fuel burner assembly (5) and the peripheral spout of fuel burner nozzle assembly (6) and the angle β of burner assembly center nozzle center line are 5 °～80 °.
8. burning beam usefulness gas according to claim 1, solid fuel fabrication burner, it is characterized in that: the root of solid fuel burner assembly (5) and fuel burner nozzle assembly (6) is threaded with solid fuel pipe (1) and gaseous fuel pipe (2) respectively, with threaded adjusting solid fuel burner assembly (5) and the length of fuel burner nozzle assembly (6) in mixing bunker (4).
9. burning beam usefulness gas according to claim 1, solid fuel fabrication burner, it is characterized in that: the root of solid fuel burner assembly (5) and fuel burner nozzle assembly (6) is welded to connect with solid fuel pipe (1) and gaseous fuel pipe (2) respectively.
10. burning beam usefulness gas according to claim 1, solid fuel fabrication burner is characterized in that: solid fuel pipe (1) is the circle tubular body, and gaseous fuel pipe (2) and combustion air passage (3) are box-shaped body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201023260U CN201129729Y (en) | 2007-08-24 | 2007-08-24 | Gas, solid fuel combined combustion nozzle for combustion girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201023260U CN201129729Y (en) | 2007-08-24 | 2007-08-24 | Gas, solid fuel combined combustion nozzle for combustion girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201129729Y true CN201129729Y (en) | 2008-10-08 |
Family
ID=40017579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201023260U Expired - Lifetime CN201129729Y (en) | 2007-08-24 | 2007-08-24 | Gas, solid fuel combined combustion nozzle for combustion girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201129729Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972602A (en) * | 2016-05-24 | 2016-09-28 | 华东理工大学 | Processing device for solid organic waste and processing technique using same |
| CN114959171A (en) * | 2015-01-27 | 2022-08-30 | 杰富意钢铁株式会社 | Electric furnace and method for manufacturing molten iron using the same |
-
2007
- 2007-08-24 CN CNU2007201023260U patent/CN201129729Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114959171A (en) * | 2015-01-27 | 2022-08-30 | 杰富意钢铁株式会社 | Electric furnace and method for manufacturing molten iron using the same |
| CN105972602A (en) * | 2016-05-24 | 2016-09-28 | 华东理工大学 | Processing device for solid organic waste and processing technique using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHIJIAZHUANG XINHUA ENERGY ENVIRONMENTAL TECHNOLOG Free format text: FORMER OWNER: JIA HUIPING Effective date: 20130124 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 050091 SHIJIAZHUANG, HEBEI PROVINCE TO: 051431 SHIJIAZHUANG, HEBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130124 Address after: 051431 Hebei city of Shijiazhuang province Luancheng douyu town equipment manufacturing base of Xinhua Road No. 6 (douyu West Middle School) Patentee after: Shijiazhuang Xinhua Energy and Environmental Protection Technology Co., Ltd. Address before: 050091 Hebei city of Shijiazhuang Province in the South Street Palace Road No. 88 Patentee before: Jia Huiping |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081008 |
|
| CX01 | Expiry of patent term |