CN103557688B - Hollow tube body for vertical kiln, material distributing device and use method - Google Patents
Hollow tube body for vertical kiln, material distributing device and use method Download PDFInfo
- Publication number
- CN103557688B CN103557688B CN201310532891.0A CN201310532891A CN103557688B CN 103557688 B CN103557688 B CN 103557688B CN 201310532891 A CN201310532891 A CN 201310532891A CN 103557688 B CN103557688 B CN 103557688B
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- Prior art keywords
- kiln
- shaft furnace
- inner sleeve
- tripper
- hollow cylinder
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- 239000000463 material Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 9
- 210000000038 chest Anatomy 0.000 claims description 15
- 239000011449 brick Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention relates to a hollow tube body for a vertical kiln, a material distributing device and a use method. The hollow tube body comprises an inner sleeve, an outer sleeve, a top sleeve, a center support structural element, a multi-fulcrum cross beam, kiln case support structural elements and a material distributor, wherein the inner sleeve consists of reticular rib plates, the upper end of the inner sleeve is sheathed into the center support structural element, the lower end of the inner sleeve is welded onto an annular material discharge device of the vertical kiln, the middle part of the multi-fulcrum cross beam is welded with the top sleeve and the outside of the center support structural element for forming an integral structure, the end part of the multi-fulcrum cross beam slides in the kiln case support structural elements, the kiln case support structural elements are uniformly and fixedly arranged on the inner wall of a kiln case of the vertical kiln, and the material distributor is fixedly arranged at the upper part of the multi-fulcrum cross beam. The device has the advantages that the steel structural supporter of the tube body in the vertical kiln with the circular ring-shaped cross section can fix a vertical bottom-to-top building body of the tube body in a kiln hearth, the material distributor arranged at the top of the vertical kiln is supported, the installation of a cantilever type spraying gun is convenient, and in addition, materials inside the kiln hearth can also be isolated in positions near the outer kiln hearth, so the materials are uniformly heated.
Description
Technical field
The present invention relates to a kind of hollow cylinder for shaft furnace and feeding-distribution device and using method, particularly relate to a kind of hollow cylinder for annular section shaft furnace and feeding-distribution device and using method.
Background technology
Along with the maximization gradually of Industrial Stoves, also there are some problems in the design and use having the shaft furnace of larger circular cross section:
1) along with the increase in kiln footpath, the heat distribution of center and periphery is uneven;
2) along with the increase in kiln footpath, the installation difficulty of cantilevered spray gun increases;
3) along with the increase in kiln footpath, the degree that is evenly distributed of the material in kiln thorax is poor;
4) along with the increase of kiln height, kiln body resistance increases.
These problems hinder this kind of shaft furnace and keep the large-scale development.
Summary of the invention
For overcoming the deficiencies in the prior art, the object of this invention is to provide a kind of hollow cylinder for shaft furnace and feeding-distribution device and using method, can stationary kiln thorax inner barrel from bottom to top build body by laying bricks or stones, support the tripper at shaft furnace top, be convenient to cantilevered spray gun, material is heated evenly, reduce the installation difficulty of thermocouple.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of hollow cylinder for shaft furnace and feeding-distribution device, comprise inner sleeve, outer tube, top sleeve pipe, central support structure part, branched some crossbeam, kiln shell supporting structure, tripper, inner sleeve is made up of netted gusset, inner sleeve upper end is inserted in central support structure part, lower end is welded on the annular drawing mechanism of shaft furnace, the mid portion of branched some crossbeam and top sleeve pipe and central support structure part outside weldings integrally structure, branched some beam-end is slided in kiln shell supporting structure, kiln shell supporting structure is evenly fixed on shaft furnace kiln shell inwall, tripper is fixed on the top of branched some crossbeam.
Described inner sleeve top and central support structure part hinged.
Annular gusset has been evenly arranged as support in described outer tube.
Described tripper is fixed on the upper center position of branched some crossbeam.
For the hollow cylinder of shaft furnace and the using method of feeding-distribution device, the hollow cylinder and feeding-distribution device that are used for shaft furnace are arranged on circular shaft furnace inner, build the bodily form by laying bricks or stones circularize section structure by build by laying bricks or stones body and the kiln thorax of outer tube outside, by the tripper being arranged on shaft furnace top, material is distributed on kiln thorax annular section, then the combustion air sent in the fuel sent into by the Fuel lance be evenly arranged on annular section and outer tube make material homogeneous heating complete chemical reaction in annular region; Tripper plays material guide effect and air guide effect.
Compared with prior art, the invention has the beneficial effects as follows:
This device is the steel structure support of annular section shaft furnace inner barrel, can stationary kiln thorax inner barrel from bottom to top build body by laying bricks or stones, support the tripper at shaft furnace top, be convenient to the installation of cantilevered spray gun; Also kiln thorax materials inside can be isolated in from the position close to outer kiln thorax, material is heated evenly.
Accompanying drawing explanation
Fig. 1 is inner sleeve, outer tube mounting structure schematic diagram.
Fig. 2 is inner sleeve, outer sleeve upper structural representation.
Fig. 3 is the distribution map of kiln shell supporting structure in kiln shell.
Fig. 4 is central support structure part inner mounting structure schematic diagram.
Fig. 5 is the mounting structure schematic diagram on this device top.
In figure: 1-inner sleeve 2-outer tube 3-top sleeve pipe 4-central support structure part 5-branched some crossbeam 6-kiln shell supporting structure 7-tripper 8-kiln shell 9-annular drawing mechanism 10-annular gusset.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention is described in detail, but it should be noted that enforcement of the present invention is not limited to following embodiment.
See Fig. 1-Fig. 5, for hollow cylinder and the feeding-distribution device of shaft furnace, comprise inner sleeve, outer tube, top sleeve pipe, central support structure part, branched some crossbeam, kiln shell supporting structure, tripper, inner sleeve is made up of netted gusset, inner sleeve upper end is inserted in central support structure part, lower end is welded on the annular drawing mechanism of shaft furnace, the mid portion of branched some crossbeam and top sleeve pipe and central support structure part outside weldings integrally structure, branched some beam-end is slided in kiln shell supporting structure, kiln shell supporting structure is evenly fixed on shaft furnace kiln shell inwall, tripper is fixed on the top of branched some crossbeam.
Described inner sleeve top and central support structure part hinged.
Annular gusset has been evenly arranged as support in described outer tube.
Described tripper is fixed on the upper center position of branched some crossbeam.
For the hollow cylinder of shaft furnace and the using method of feeding-distribution device, the hollow cylinder and feeding-distribution device that are used for shaft furnace are arranged on circular shaft furnace inner, build the bodily form by laying bricks or stones circularize section structure by build by laying bricks or stones body and the kiln thorax of outer tube outside, by the tripper being arranged on shaft furnace top, material is distributed on kiln thorax annular section, then the combustion air sent in the fuel sent into by the Fuel lance be evenly arranged on annular section and outer tube make material homogeneous heating complete chemical reaction in annular region; Tripper plays material guide effect and air guide effect.
During making,
1) the inner sleeve lower weld outer tube be made up of steel pipe and netted gusset formed, on annular drawing mechanism, is shown in Fig. 1;
2) outer tube is inserted in step 1 by top) inner sleeve outside, and outer tube bottom to be welded with annular drawing mechanism, sees Fig. 1;
3) top sleeve pipe is loaded inner sleeve top, after calibration size, inner sleeve, outer tube, top Socket welding are connected together, see Fig. 2;
4) position determined on kiln shell, calibrate errorless after kiln shell supporting structure is welded on kiln shell inwall, see Fig. 3, kiln shell supporting structure shown in figure is eight, also can be six, ten, 12 or more, do not limit at this, its quantity is determined according to shaft furnace specification;
5) central support structure part is enclosed within outside outer tube, inner sleeve top and central support structure part hinged, make inner sleeve in axial location slightly movement, Fig. 4 can be seen;
6) kiln shell supporting structure is inserted in the side of branched some crossbeam, opposite side welds with Part IV, sees Fig. 5;
7) tripper is fixed on above branched some crossbeam, sees Fig. 5.
The invention has the advantages that:
1) kiln thorax materials inside can be isolated between inner barrel and outer cylinder body by the structure of hollow cylinder, and the heat enabling material accept the spray gun in kiln thorax uniformly to provide, efficiently solves the problem of material center and periphery heat distribution inequality in kiln thorax.
2) the branched some crossbeam that the upper end of hollow cylinder is connected with kiln shell is not fixing welding, but take hinged connected mode, the problem of the non-homogeneous expansion that the inside and outside kiln cylinder that this structure can balance shaft furnace causes due to the inconsistent of inside and outside temperature, the inside and outside each self-expanding of kiln cylinder, does not interfere with each other.
3) traditional fixed form of tripper is, in uniform three metallic support be made into by steel plate of the upper position of kiln shell, again the sidewall of tripper is welded with metallic support, the strong point of this kind of fixed form is less, and the strong point will be subject to impact and the wearing and tearing of material in kiln, Impact direction is based on shearing force, and metallic support is easily snapped or damaged.Novel tripper fixed form be tripper is directly fixed on kiln thorax inside branched some crossbeam above center, in kiln, the impulsive force of material is distributed on branched some crossbeam, every root crossbeam only need bear very little impulsive force, and crossbeam is made by H profile steel, stressed effect will be better than the metallic support that steel plate is made far away.
4) be convenient to spray gun install: spray gun and protective cover can be fixed on kiln shell, also can be hingedly mounted on kiln shell and inner barrel, solve the oversize tilt problem caused of large-scale shaft furnace spray gun protective cover single-cantilever.
5) hollow cylinder inside passes into combustion air, effectively can reduce the temperature of inner barrel, protection inner barrel and masonry.
Claims (5)
1. the hollow cylinder for shaft furnace and feeding-distribution device, it is characterized in that, comprise inner sleeve, outer tube, top sleeve pipe, central support structure part, branched some crossbeam, kiln shell supporting structure, tripper, inner sleeve is made up of netted gusset, inner sleeve upper end is inserted in central support structure part, lower end is welded on the annular drawing mechanism of shaft furnace, the mid portion of branched some crossbeam and top sleeve pipe and central support structure part outside weldings integrally structure, branched some beam-end is slided in kiln shell supporting structure, kiln shell supporting structure is evenly fixed on shaft furnace kiln shell inwall, tripper is fixed on the top of branched some crossbeam.
2. a kind of hollow cylinder for shaft furnace according to claim 1 and feeding-distribution device, is characterized in that, described inner sleeve top and central support structure part hinged.
3. a kind of hollow cylinder for shaft furnace according to claim 1 and feeding-distribution device, is characterized in that, has been evenly arranged annular gusset as support in described outer tube.
4. a kind of hollow cylinder for shaft furnace according to claim 1 and feeding-distribution device, is characterized in that, described tripper is fixed on the upper center position of branched some crossbeam.
5. according to claim 1 a kind of for the hollow cylinder of shaft furnace and the using method of feeding-distribution device, it is characterized in that, the hollow cylinder and feeding-distribution device that are used for shaft furnace are arranged on circular shaft furnace inner, build the bodily form by laying bricks or stones circularize section structure by build by laying bricks or stones body and the kiln thorax of outer tube outside, by the tripper being arranged on shaft furnace top, material is distributed on kiln thorax annular section, then the combustion air sent in the fuel sent into by the Fuel lance be evenly arranged on annular section and outer tube make material homogeneous heating complete chemical reaction in annular region; Tripper plays material guide effect and air guide effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310532891.0A CN103557688B (en) | 2013-10-30 | 2013-10-30 | Hollow tube body for vertical kiln, material distributing device and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310532891.0A CN103557688B (en) | 2013-10-30 | 2013-10-30 | Hollow tube body for vertical kiln, material distributing device and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103557688A CN103557688A (en) | 2014-02-05 |
| CN103557688B true CN103557688B (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310532891.0A Active CN103557688B (en) | 2013-10-30 | 2013-10-30 | Hollow tube body for vertical kiln, material distributing device and use method |
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| CN (1) | CN103557688B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945565A (en) * | 2016-04-29 | 2016-09-21 | 中冶天工集团天津有限公司 | Kiln shell assembly adjusting device and applying method thereof |
| CN114166012A (en) * | 2021-12-29 | 2022-03-11 | 中冶焦耐(大连)工程技术有限公司 | Central structure of high-yield shaft kiln |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091081C (en) * | 1999-12-11 | 2002-09-18 | 马寿春 | New-structure limekiln |
| KR100860316B1 (en) * | 2002-07-25 | 2008-09-26 | 주식회사 포스코 | Apparatus for preventing extraneous matter adhered of gas pass line in kiln |
| CN101195520A (en) * | 2007-12-19 | 2008-06-11 | 黄官禹 | Vertical continuous calcination lime burner |
| CN102288022B (en) * | 2011-06-10 | 2013-04-10 | 河南省德耀节能科技有限公司 | Sleeve-type gas-burning shaft kiln |
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- 2013-10-30 CN CN201310532891.0A patent/CN103557688B/en active Active
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| CN103557688A (en) | 2014-02-05 |
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Effective date of registration: 20180725 Address after: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee after: ACRE COKING & REFRACTORY ENGINEERING CONSULTING CORPORATION (DALIAN), MCC Address before: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee before: ACRE COKING & REFRACTORY ENGINEERING CONSULTING CORPORATION, MCC |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: The invention relates to a hollow cylinder for a shaft kiln, a material distribution device and an application method thereof Effective date of registration: 20211203 Granted publication date: 20150415 Pledgee: Dalian Branch of Bank of Communications Co.,Ltd. Pledgor: ACRE COKING & REFRACTORY ENGINEERING CONSULTING CORPORATION (DALIAN), MCC Registration number: Y2021210000090 |
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Granted publication date: 20150415 Pledgee: Dalian Branch of Bank of Communications Co.,Ltd. Pledgor: ACRE COKING & REFRACTORY ENGINEERING CONSULTING CORPORATION (DALIAN), MCC Registration number: Y2021210000090 |