CN102519040A - Combustion structure of kiln - Google Patents
Combustion structure of kiln Download PDFInfo
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- CN102519040A CN102519040A CN2011104241107A CN201110424110A CN102519040A CN 102519040 A CN102519040 A CN 102519040A CN 2011104241107 A CN2011104241107 A CN 2011104241107A CN 201110424110 A CN201110424110 A CN 201110424110A CN 102519040 A CN102519040 A CN 102519040A
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- bocca
- burning structure
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- kiln
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Abstract
The invention relates to a high-efficiency combustion structure of a kiln, which is used for solving problems of low heat efficiency and the like due to an unreasonable design of a flaming port in an existing kiln structure. The inside of the combustion structure is triangular, the appearance of the combustion structure is a right trapezoid, the combustion structure comprises a flaming port arch, a flaming port, nozzles, an oblique arch and a bottom plate, wherein the flaming port arch is connected with the oblique arch, the bottom plate is disposed below the oblique arch, a cavity between the bottom plate and the oblique arch forms an combustion air nozzle, the flaming port is disposed at one end, which is close to the flaming port arch, of the bottom plate, and a plurality of natural gas nozzles are disposed on the flaming port. The combustion structure of the kiln has the advantages that both the oblique arch and the bottom plate have downward inclinations, each nozzle is separated from the flaming port arch by a transverse distance, the combustion structure is favorable for sufficiently mixing natural gas with secondary air, simultaneously, carbon granules are dissolved out, and flame radiation intensity is improved. Simultaneously, the nozzles are designed to be trumpet-shaped, and are favorable for expanding flame, ash can be conveniently cleaned due to an inspection hole, and the service life of the combustion structure is prolonged.
Description
Affiliated technical field
The present invention relates to a kind of kiln burning structure that belongs to the Regenerative Combustion Technology field, especially a kind of uniformly-spaced kiln burning structure of reversing combustion of natural gas cross flame metallurgic auxiliary materials tank furnace that is mainly used in.
Background technology
Metallurgic auxiliary materials is to produce the high-quality necessary raw material of steel at present, and the production metallurgy auxiliary material then must be in the kiln space of stable performance.The kiln burning is the second largest power consumption industry that present domestic energy consumption is only second to boiler combustion; In recent years; Along with the appearance of national energy-conserving and environment-protective relevant laws and regulations, and fuel price rise steadily the continuous improvement of enterprise's Workshop Production environment; This just requires as the kiln of heat fused unit heat to be fully used, and reduces the peripherad heat radiation loss in furnace wall.
The present domestic burning structure that the kiln of a lot of types is also arranged, still from the situation of present application, the burning structure of various forms of kilns all has its weak point.As, problems such as fuel consumption is big, the thermal efficiency is not high, easy obstruction.In view of the situation, the present invention proposes high efficiency kiln burning structure, fundamentally solved problems such as the thermal efficiency is not high, maintenance period long, service life is short.
Summary of the invention
The object of the present invention is to provide a kind of high efficiency kiln burning structure to solve in the existing furnace construction owing to problems such as the unreasonable thermal efficiency that causes of bocca design are not high.
In order to reach the foregoing invention purpose, technical scheme of the present invention is achieved in that this burning structure is inner for triangle, sees at right angles trapezoidal (when containing external support structure) from the outside.This burning structure includes bocca arch, bocca, nozzle, oblique arch, base plate; The bocca arch is connected with oblique arch; Base plate is arranged on oblique arch below, and the cavity between base plate and the oblique arch constitutes the combustion air spout, and bocca is arranged on the end of base plate near the bocca arch; Bocca is provided with a plurality of nozzles, and burner oil can be a natural gas.
Wherein, tiltedly arch has an oblique arch angle of declination b, and base plate has a base plate angle of declination c, and the scope of oblique arch angle of declination b is 20 °～30 ° and is preferably 25 ° that the scope of base plate angle of declination c is 10 °～15 ° and is preferably 11 °.
The lateral separation of nozzle distance bocca arch is 0.5m～2m, is preferably 1m, and this distance helps natural gas and fully mixes with auxiliary air, separates out carbon granules simultaneously, increases Fire Radiation intensity; Designs of nozzles becomes trumpet type, and in order to the flame expansion, the quantity of nozzle is preferably 3, to increase port coverage; In addition, the nozzle place adopts steel construction, and is of a tightly knit structure, is convenient to nozzle brick and changes.
In addition, the side wall of this burning structure is provided with one or more inspection sockets, and the quantity of inspection socket is preferably 2, so that deashing; The position that is connected with regenerator at the oblique arch of this burning structure is reserved with dilatation joint.
Be provided with bocca arch pin brick at the two ends of bocca arch, at bocca arch pin brick, tiltedly the arch pin brick outer setting of arch all has arch pin steel, arch pin steel is regulated through the jackscrew that is arranged on the outer column of burning structure both walls.The angle of bocca arch pin brick is 60 °, and column is preferably three.
The invention has the beneficial effects as follows:
Tiltedly arch all is provided with angle of declination with base plate, and nozzle distance bocca arch has a lateral separation, helps natural gas and fully mixes with auxiliary air, separates out carbon granules simultaneously, increase Fire Radiation intensity; Simultaneously, designs of nozzles becomes trumpet type, is beneficial to the flame expansion; Deashing also is convenient in the setting of inspection socket, increases the service life; The arch structure can be maked somebody a mere figurehead on column, and such structure is convenient to inner cold repair, and the arch of needn't dismantling again can reduce input.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is a kiln overall structure sketch map
Fig. 2 is the burning structure front enlarged drawing of kiln among Fig. 1
Fig. 3 is the nozzle-integrated structure enlarged drawing among Fig. 2
Fig. 4 is the nozzle monomer structure figure among Fig. 3
Fig. 5 is the side view of the nozzle among Fig. 4
Fig. 6 is the side view of Fig. 2
Fig. 7 is the arch pin brick structure figure among Fig. 6
Among the figure
The specific embodiment
Below, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.Need to prove before this; Employed term or word can not limited interpretation be common implication or the implication in the dictionary in this specification and claims, and should be based on being interpreted as implication and the notion that meets technological thought of the present invention for the principle that can suitably define the notion of term with its invention inventor of best mode explanation.Thereupon; The structure of representing in embodiment that this specification is put down in writing and the accompanying drawing is one of most preferred embodiment of the present invention; Can not represent technological thought of the present invention fully, therefore should be understood that to have various equivalents and the variation that to replace for the present invention.
It is as shown in Figure 1 that (Fig. 1 is integrally-built sketch map; The part details is not shown); Kiln burning structure of the present invention belongs to the part of kiln in the Regenerative Combustion Technology field; This kiln mainly is made up of with the symmetrically arranged regenerator 2 in both sides the kiln pond 1 (being melting end) of centre, and what connect kiln pond 1 and regenerator 2 promptly is burning structure 3 of the present invention.Specifically, these burning structure 3 inside are triangle, see at right angles trapezoidal (when containing external support structure) from the outside.This burning structure 3 includes bocca arch 31, bocca 32, nozzle 33, oblique arch 34, base plate 35; Bocca arch 31 is connected with oblique arch 34, and base plate 35 is arranged on oblique arch 34 belows, and the cavity between base plate 35 and the oblique arch 34 constitutes combustion air spout 30; Bocca 32 is arranged on the end of base plate 35 near bocca arch 31; Bocca 32 is provided with a plurality of nozzles 33, and burner oil can be a natural gas, also can be fuel such as heavy oil, diesel oil, coal gas generation gas.。
As shown in Figure 2, wherein, tiltedly arch 34 has an oblique arch angle of declination b341, and base plate 35 has a base plate angle of declination c351, and the scope of oblique arch angle of declination b341 is 20 °～30 ° and is preferably 25 ° that the scope of base plate angle of declination c351 is 10 °～15 ° and is preferably 11 °.
To shown in Figure 5, nozzle 33 is 0.5m～2m apart from the lateral separation of bocca arch 31, is preferably 1m like Fig. 2, and this distance helps natural gas and fully mixes with auxiliary air, separates out carbon granules simultaneously, increases Fire Radiation intensity; Nozzle 33 is designed to trumpet type, and in order to the flame expansion, the quantity of nozzle 33 is preferably 3, to increase port coverage; In addition, nozzle 33 places adopt steel construction, and are of a tightly knit structure, are convenient to nozzle brick and change.
In addition, the side wall of this burning structure 3 is provided with one or more inspection sockets 36, and the quantity of inspection socket 36 is preferably 2 (as shown in Figure 2), so that deashing; The position that is connected with regenerator 2 at the oblique arch 34 of this burning structure 3 is reserved with dilatation joint 37.
Like Fig. 6, shown in Figure 7; Be provided with bocca arch pin brick 38 at the two ends of bocca arch 31; Arch pin brick (not shown) outer setting at bocca arch pin brick 38, oblique arch 34 all has arch pin steel 39, and arch pin steel 39 is regulated through the jackscrew 41 that is arranged on the outer column 40 of burning structure 3 both walls.The angle of bocca arch pin brick 38 is 60 °, and column 40 is preferably three.
Especially, for the situation of 30 square meters combustion natural gas cross flame metallurgic auxiliary materials tank furnace, concrete design parameter can be: bocca arch 31 is striden 2400mm, and the high 320mm of arch is 1/7.5 arch; Tiltedly arch 34 angle of declinations are 25 °, and 11 ° of base plate 35 angle of declinations have increased the auxiliary air momentum, mix better with natural gas; Burning structure 3 port side walls are established two 350 * 200mm inspection sockets 36, are convenient to deashing; Side wall peripheral hardware three root posts 40, bocca arch 31, oblique arch 34 are all regulated with jackscrew 41, so that lateral thrust is even, arch pin steel 39 is regulated freely.In addition, combustion air spout 30 width 2400mm, high 290mm, its flame speed is 6m/s when using, and helps mixing with natural gas; The flame speed of bocca 32 is 6.5m/s, flame easy burn-out nozzle (burning structure 3 is 1 bilateral symmetry setting in the kiln pond, so its bocca 32 directions are relative) not when helping combustion of natural gas and getting into the opposite spout.
Describe and illustrate with reference to the specific embodiment although it should be noted that the present invention, and provided the concrete burning structure of kiln.But and do not mean that the present invention is limited to the embodiment of these descriptions, those skilled in the art can therefrom derive many different variants, they all will be covered in the true spirit and scope of claim of the present invention.
Claims (10)
1. the burning structure of a kiln; The inner body shape is triangular in shape; The external overall shape is at right angles trapezoidal, and this burning structure (3) includes bocca arch (31), bocca (32), nozzle (33), oblique arch (34), base plate (35), it is characterized in that: bocca arch (31) is connected with oblique arch (34); Base plate (35) is arranged on oblique arch (34) below; Cavity between base plate (35) and the oblique arch (34) constitutes combustion air spout (30), and bocca (32) is arranged on the end of base plate (35) near bocca arch (31), and bocca (32) is provided with a plurality of nozzles (33).
2. the burning structure of kiln according to claim 1; It is characterized in that: tiltedly arch (34) has an oblique arch angle of declination b (341); Base plate (35) has a base plate angle of declination c (351); Tiltedly the scope of arch angle of declination b (341) is 20 °～30 °, and the scope of base plate angle of declination c (351) is 10 °～15 °.
3. the burning structure of kiln according to claim 2 is characterized in that: tiltedly the size of arch angle of declination b (341) is elected 25 ° as, and the size of base plate angle of declination c (351) is elected 11 ° as.
4. according to the burning structure of the described kiln of arbitrary claim in the claim 1 to 3, it is characterized in that: nozzle (33) is 0.5m～2m apart from the lateral separation of bocca arch (31).
5. the burning structure of kiln according to claim 4, it is characterized in that: nozzle (33) is 1m apart from the lateral separation of bocca arch (31), and the quantity of nozzle (33) is 3, and nozzle (33) is designed to trumpet type.
6. the burning structure of kiln according to claim 5, it is characterized in that: the side wall of this burning structure (3) is provided with one or more inspection sockets (36).
7. the burning structure of kiln according to claim 6, it is characterized in that: the side wall of this burning structure (3) is provided with 2 inspection sockets (36).
8. according to the burning structure of claim 6 or 7 described kilns, it is characterized in that: the position that is connected with regenerator (2) at the oblique arch (34) of this burning structure (3) is reserved with dilatation joint (37).
9. the burning structure of kiln according to claim 8; It is characterized in that: be provided with bocca arch pin brick (38) at the two ends of bocca arch (31); Arch pin brick outer setting at bocca arch pin brick (38), oblique arch (34) all has arch pin steel (39), and arch pin steel (39) is regulated through the jackscrew (41) that is arranged on the outer column (40) of burning structure (3) both walls.
10. the burning structure of kiln according to claim 9, it is characterized in that: the angle of bocca arch pin brick (38) is 60 °, column (40) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104241107A CN102519040A (en) | 2011-12-13 | 2011-12-13 | Combustion structure of kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104241107A CN102519040A (en) | 2011-12-13 | 2011-12-13 | Combustion structure of kiln |
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| Publication Number | Publication Date |
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| CN102519040A true CN102519040A (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104241107A Pending CN102519040A (en) | 2011-12-13 | 2011-12-13 | Combustion structure of kiln |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063269A (en) * | 1991-01-09 | 1992-08-05 | 章荣会 | Elastic hanging flat-top glass kiln |
| CN2477629Y (en) * | 2001-05-08 | 2002-02-20 | 自贡市玻璃纤维二厂 | Horse-shoe flame glass ball kiln with efficiency gas spray gun |
| CN2744678Y (en) * | 2004-07-13 | 2005-12-07 | 四川威玻新材料集团有限公司 | High-silica glass ball device produced by smelting in double arched kiln |
| CN201121160Y (en) * | 2007-11-01 | 2008-09-24 | 安徽世林照明股份有限公司 | Glass pool furnace |
| CN202328255U (en) * | 2011-12-13 | 2012-07-11 | 辽宁天和科技股份有限公司 | Kiln combustion structure |
-
2011
- 2011-12-13 CN CN2011104241107A patent/CN102519040A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063269A (en) * | 1991-01-09 | 1992-08-05 | 章荣会 | Elastic hanging flat-top glass kiln |
| CN2477629Y (en) * | 2001-05-08 | 2002-02-20 | 自贡市玻璃纤维二厂 | Horse-shoe flame glass ball kiln with efficiency gas spray gun |
| CN2744678Y (en) * | 2004-07-13 | 2005-12-07 | 四川威玻新材料集团有限公司 | High-silica glass ball device produced by smelting in double arched kiln |
| CN201121160Y (en) * | 2007-11-01 | 2008-09-24 | 安徽世林照明股份有限公司 | Glass pool furnace |
| CN202328255U (en) * | 2011-12-13 | 2012-07-11 | 辽宁天和科技股份有限公司 | Kiln combustion structure |
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Application publication date: 20120627 |