CN2550709Y - Inner cavity structure of rotary kiln body - Google Patents
Inner cavity structure of rotary kiln body Download PDFInfo
- Publication number
- CN2550709Y CN2550709Y CN 02239188 CN02239188U CN2550709Y CN 2550709 Y CN2550709 Y CN 2550709Y CN 02239188 CN02239188 CN 02239188 CN 02239188 U CN02239188 U CN 02239188U CN 2550709 Y CN2550709 Y CN 2550709Y
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- coiled strip
- kiln
- cavity
- rotary kiln
- strip plate
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Abstract
The utility model relates to a cavity structure of a new rotary kiln body, comprising a metal tubular body and heat insulation refractory material bound on wall of the cavity. The utility model is characterized in that a plurality of curved plates are fixedly connected with inner wall of the cavity of the metal tubular body, the length of each curved plate is similar to that of the cavity of the kiln body. A silo port of the curved plate fixedly connected with the inner wall of the cavity is distributed on a circular track, which is concentric with the kiln body. The kiln with the structure enables the material to be evenly distributed on the circumferential surface in the kiln cavity. The utility model has the advantages of high utilization ratio of heat energy, reinforced combustion process, and multiplied productivity.
Description
The utility model belongs to a kind of improvement technology of rotary kiln intracoelomic cavity structure.
The inner chamber that is widely used in the rotary kiln body in metallurgy, chemical industry, building materials industry field is a tubular cavity.Its length and inner chamber size dimension, all the requirement from production capacity designs.In running by be positioned at one of kiln external body stage casing by motor-driven driving wheel drive around and be fastened on driven pulley on the kiln body, make rotary kiln continuously rotation and in processing materials by the support roller rotational support that is positioned at kiln body epimere and hypomere, material rolls automatically in the chamber, come heat drying or roasting, calcining materials, be skewed and be installed on the support.Raw material to be processed are sent into from the upper end charging aperture, under the gravity effect, glide and upset along the kiln intracoelomic cavity that tilts, and make heating more even.So it is a kind of universal industrial kiln as functions such as drying, calcination, roasting, fuming volatilizations.Because above-mentioned kiln intracoelomic cavity structural reason, material is under the gravity effect, and the rotation of kiln body can not make the spatial distribution of material in the chamber even, and generally speaking, material all is piled up in the chamber inner bottom part.Have the space more than 2/3 not obtain utilizing in the kiln intracoelomic cavity, cause the contact area of material and gas phase drying medium just very little, the time of contact is also few, and it is few to hold material.So cause heat loss big, kiln production capacity fails to give full play to.
The technical problems to be solved in the utility model is to improve the inner-cavity structure of existing rotary kiln body, with the contact area that increases processing materials and gas phase media, extending contact time makes full use of heat energy in the kiln, thus the production efficiency of increase rotary kiln.
The technical scheme that addresses the above problem is as follows:
A kind of new rotary kiln intracoelomic cavity structure, it is made of metal tub body and the thermal insulation fire-resistant material that is pasted on its internal chamber wall, key is to be connected with many silver laps flitch on metal tub body cavity body inwall, and the length of the length of every silver lap flitch and kiln intracoelomic cavity is close.
Further scheme is that the material outlet that is fixed in all the coiled strip plates on the cavity inner wall is distributed on the circular trace with kiln intracoelomic cavity concentric.Also have a series of eyelets on the feed bin inwall of coiled strip plate.The coiled strip plate has channel steel shape, semicircle, angle steel shape and T shape etc.They evenly distributed and be fixed on the rotary kiln inwall, and make the part that constitutes feed bin on every silver lap flitch place in rotary kiln the chamber in the air.Again the thermal insulation fire-resistant material is pasted in the rotary kiln on the inwall between each coiled strip plate.Promptly constitute an energy and processing materials is thrown raised in the rotary kiln chamber in the air or material is evenly distributed in the feed bin along the inner chamber periphery, increase the new construction of material with gas phase media contact-making surface, the rotary kiln intracoelomic cavity that extends contact time.
The utility model has the advantages that after on the kiln body inwall coiled strip plate being installed, make the material that enters in the kiln intracoelomic cavity be evenly distributed in the inner chamber relatively by the coiled strip plate, in the rotary course of kiln body, can not be piled up in the chamber inner bottom part because of the gravity effect, but be in material in the coiled strip plate storehouse in kiln body rotary course, from eyelet, be suspension and raised in furnace chamber, react with high temperature gas flow by throwing.Increase the active area of material and heat energy, made full use of the space of kiln intracoelomic cavity; Be equivalent to surface-type burning and combining that floated torch type burns.Combustion intensity height, speed are fast.So under the type of furnace and same heat supply condition of same specification, its treating capacity is big, power consumption is low, and heat loss is little, has reached energy-saving and cost-reducing, and the effect that cost is low is a kind of simple in structure, easily the rotary kiln energy saving retrofit technology of implementing.
Fig. 1, rotary kiln monnolithic case schematic diagram;
Fig. 2, the coiled strip plate mounting means and the dress attitude schematic diagram that distributes on kiln body inwall;
Fig. 3, channel steel shape coiled strip plate three-dimensional shape figure;
Fig. 4, angle steel shape coiled strip plate three-dimensional shape figure;
Fig. 5, semicircle coiled strip plate three-dimensional shape figure;
Fig. 6, T shape coiled strip plate are inverted three-dimensional shape figure;
The sectional view of channel steel shape coiled strip plate has been installed in Fig. 7, the kiln intracoelomic cavity;
The sectional view of angle steel shape coiled strip plate has been installed in Fig. 8, the kiln intracoelomic cavity;
The sectional view of semicircle coiled strip plate has been installed in Fig. 9, the kiln intracoelomic cavity;
The sectional view of T shape coiled strip plate has been installed in Figure 10, the kiln intracoelomic cavity;
When Figure 11, employing refractory ceramics building block formation coiled strip plate, with the connected mode and the connector schematic diagram of kiln body inwall.
What Figure 12, refractory ceramics were made is the coiled strip plate three-dimensional shape schematic diagram of example with channel steel shape coiled strip plate
Below in conjunction with accompanying drawing,, aforesaid scheme is described further as embodiment of the present utility model.
With reference to Fig. 1, rotary kiln is made of the bag tube 2,8 at kiln body 5 and both ends, there is the motor 11 that drives the rotation of kiln body at kiln body middle part, promote driven pulley 4 runnings again through reductor 12 and driving wheel 13, driven pulley 4 is placed in kiln body 5 outer walls and is anchored on the kiln body, all be connected with the rolling ring 3,6 that is placed on the kiln body in the centre position of the kiln body first half and Lower Half, by about two support rollers 15 or 9 and rolling ring 3,6 be rotationally connected.Bag tube 8 fronts, upper end have charging aperture, and upper side is equipped with exhanst gas outlet 7.The downside of lower end bag tube 2 has discharging opening 1, and the front has the fuel gas inlet.Having support roller support 10,16 to support below the support roller 15,9, is power support 14 below the motor-driven mechanism.Whole kiln body is skewed and is installed on the support.
With reference to Fig. 2,3,7,11, kiln body 5 is a tubular, is made of metal shell 23 and thermal insulation fire-resistant material layer 22, and inner chamber is a circle.Affixed coiled strip plate 18 on metal shell 23 inwalls of kiln body, what this embodiment was affixed is channel steel shape coiled strip plate, during making, a strip side plate of channel-section steel is bent inwards by the middle part, constitutes a rectangular cavity, as the feed bin 17 of coiled strip plate 18.Another side plate as with the connecting plate 19 of kiln body inwall.Available welding manner is installed, and also can weld in advance to connect draw-in groove 24 on kiln body inwall 23, and the fillet of coiled strip plate 18 is bent into a right-angle side, snaps in the draw-in groove 24 again, is screwed.On kiln body inwall, install many silver laps flitch 18 vertically, the feed bin 17 of each coiled strip plate place one with the concentric circular trace of kiln intracoelomic cavity on.After installing all coiled strip plates 18, paste heat-preserving refractory masses 22 on the kiln body metal inner surface 23 in crack betwixt again.Promptly constitute a kind of rotary kiln body 5.
With reference to Fig. 4,5,6 and 8,9,10, affixed semicircle coiled strip plate, angle steel shape coiled strip plate or T shape coiled strip plate can also be installed on kiln body metal inner surface, paste heat-preserving refractory masses 22 constitutes the kiln body again.Its installation connected mode is identical with epimere channel steel shape coiled strip plate.The one side that is semicircle coiled strip plate oral area will make a connecting plate 19 that joins with kiln body metal inner surface 23 earlier; The level board face of T shape coiled strip plate will be done tortuous the processing, makes it partly to constitute two article containing spaces with upright plate, i.e. two feed bins 17; The space that constitutes less than 90 ° of angles between two plate faces of angle steel shape coiled strip plate is as feed bin 17.
With reference to Fig. 3,4,5,6, all have eyelet 21 on the bin wall 20 of various forms of coiled strip plates 18, the size of eyelet is determined according to the granularity of processing materials.Generally can between φ 0.5-2.0cm, select.To guarantee the aeration in the material process, accelerate rate of heat exchange, increase the contact area and the time of material and high temperature gas flow.The coiled strip plate 18 of these several shapes all can adopt the refractory ceramics of high-temperature alloy, heat-resisting cast iron or anti-rapid heat cycle to make according to the requirement of furnace temperature.As general dry kiln, can make of steel material.With reference to Figure 12, when using high-temperature ceramic materials,, can only be made into smallclothes earlier because of the particularity of its material as coiled strip plate 18, be assemblied into a silver lap flitch 18 again.With reference to Figure 11,12, mounting means also can only adopt the draw-in groove 24 that is welded earlier on kiln body metal inner surface 23, also is manufactured with the T shape shackle member 25 vertical with former connecting plate 19 on the fillet of coiled strip plate 18.After coiled strip plate 18 snapped in draw-in groove 24, coiled strip plate 18 is fastening with the cement binding material.
The rotary kiln body 5 of Zhi Zaoing in the manner described above, because coiled strip plate 18 has been installed on cavity inner wall 23, material to be processed is begun from charging aperture, just place in the feed bin 17 of coiled strip plate 18, in rotary course with kiln body 5, can not be piled up in the bottom of furnace chamber because of the gravity effect, but be in uniformly in the feed bin 17, even part is left this feed bin, also can fall into again in another feed bin, form a kind of exchange process of frequent their position of variation, for some materials that granularity diminishes in process, feed bin 17 is raised out in the centrifugal force throwing that is rotated generation, is suspension in kiln intracoelomic cavity space and exists.With regard to favourable heat exchange, make material have adequate time to contact with gas phase media like this with chance.Also utilized the heat energy in addition 2/3 the space of failing in the furnace chamber to be utilized fully.Significantly reduced the heat energy that runs off from exhanst gas outlet, thereby be a kind of heat energy utilization rate height,, can significantly improve the novel kiln body of production capacity with respect to former technology.Can carry out identical improvement to all tubular stoves with the scheme that the utility model provides, become a kind of energy-efficient equipment.
Claims (4)
1, a kind of new rotary kiln intracoelomic cavity structure, it is made of metal tub body and the thermal insulation fire-resistant material that is pasted on its internal chamber wall, it is characterized in that being connected with on metal tub body cavity body inwall (23) many silver laps flitch (18), the length of every silver lap flitch (18) is close with the length of kiln intracoelomic cavity.
2, a kind of new rotary kiln intracoelomic cavity structure according to claim 1, the material outlet that it is characterized in that being fixed in all the coiled strip plates (18) on the cavity inner wall (23) are distributed on the circular trace with kiln intracoelomic cavity concentric.
3, a kind of new rotary kiln intracoelomic cavity structure according to claim 1 and 2 is characterized in that also having a series of eyelets (21) on feed bin (17) inwall of coiled strip plate (18).
4, a kind of new rotary kiln intracoelomic cavity structure according to claim 1 and 2 is characterized in that the coiled strip plate has channel steel shape, semicircle, angle steel shape and T shape etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02239188 CN2550709Y (en) | 2002-06-26 | 2002-06-26 | Inner cavity structure of rotary kiln body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02239188 CN2550709Y (en) | 2002-06-26 | 2002-06-26 | Inner cavity structure of rotary kiln body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2550709Y true CN2550709Y (en) | 2003-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02239188 Expired - Fee Related CN2550709Y (en) | 2002-06-26 | 2002-06-26 | Inner cavity structure of rotary kiln body |
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| CN (1) | CN2550709Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103781884A (en) * | 2011-06-07 | 2014-05-07 | 奇努克终极回收有限公司 | Improvements in waste processing |
-
2002
- 2002-06-26 CN CN 02239188 patent/CN2550709Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103781884A (en) * | 2011-06-07 | 2014-05-07 | 奇努克终极回收有限公司 | Improvements in waste processing |
| CN103781884B (en) * | 2011-06-07 | 2016-02-10 | 奇努克终极回收有限公司 | Improvement in refuse process |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |