CN102679721A - Atmosphere protective rotary kiln - Google Patents
Atmosphere protective rotary kiln Download PDFInfo
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- CN102679721A CN102679721A CN2012101756750A CN201210175675A CN102679721A CN 102679721 A CN102679721 A CN 102679721A CN 2012101756750 A CN2012101756750 A CN 2012101756750A CN 201210175675 A CN201210175675 A CN 201210175675A CN 102679721 A CN102679721 A CN 102679721A
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Abstract
The invention discloses an atmosphere protective rotary kiln, which includes a rack, a main kiln and a secondary kiln, wherein a main kiln pipe is arranged in the main kiln; a secondary kiln pipe is arranged in the secondary kiln; the input end of the main kiln pipe is connected and matched with a feeding part; the output end of the secondary kiln pipe is connected and matched with a discharging part; furthermore, the input end of the main kiln pipe and the output end of the secondary kiln pipe are seamlessly and integrally sealed; and the main kiln pipe and the secondary kiln pipe are connected and synchronously linked with a drive system. Compared with the prior art, the invention has the benefits that, firstly, the atmosphere protection and oxygen-free sintering are achieved; secondly, the cost and occupied area of the equipment are reduced; thirdly, the failure rate of the equipment is reduced, the reliability of the system is improved, the maintenance amount of the equipment is reduced, and the operation cost is reduced; and fourthly, the energy consumption is saved, and the production quality is improved.
Description
Technical field
The present invention relates to a kind of rotary kiln, belong to material firing equipment technical field, refer in particular to a kind of atmosphere protection type rotary kiln.
Background technology
At present; The pre-burning calcining process of many pulverulent materials (comprising magnetic material) generally all is in kiln, to carry out; And existing kiln all is to adopt two-part kiln pipe; So air can directly get into the kiln pipe, causes the pre-burning roasting of material in air, to carry out, and the product surface that sintering goes out tends to form layer oxide film.And along with industrial continuous development such as magnetic material, chemical industry, new material; Requirement for material is also increasingly high; The novel product that the non-oxidation layer produces in the pre-burning roasting has become development trend; Therefore, the conventional electric heating rotary kiln can't well adapt to industrial continuous growth requirements such as new material at present.
Summary of the invention
The objective of the invention is to overcome shortcoming of the prior art with not enough, a kind of compact conformation, anaerobic sintering are provided, cost is low, energy consumption is low and practical safe atmosphere protection type rotary kiln.
In order to realize above-mentioned purpose, the present invention realizes according to following technical scheme:
A kind of atmosphere protection type rotary kiln includes frame, main kiln and secondary kiln, is provided with main kiln pipe in the main kiln, is provided with secondary kiln pipe in the secondary kiln, and the input of main kiln pipe is connected cooperation with a feeding part, and the output of secondary kiln pipe is connected cooperation with discharging parts; Further, the output of said main kiln pipe is connected with the seamless airtight integral type of the input of secondary kiln pipe, and main kiln pipe is connected with secondary kiln Guan Yuyi transmission system and synchronous interlock.
Further, the connecting portion of the connecting portion of said main kiln pipe and feeding part, secondary kiln pipe and discharging parts is provided with high temperature resistant packing seal circle.
Further, also include an atmosphere protection system, the air intake of atmosphere protection system is arranged on the tube connector of feeding part and main kiln pipe, and the gas outlet is arranged on the discharging cover of discharging parts.
Further; Said transmission system includes main frame, decelerator, support roller roll wheel assembly and chain drive assembly; Wherein, the clutch end of main frame is connected cooperation with decelerator, and the support roller roll wheel assembly is arranged at the input end and output end of main kiln pipe; The chain drive assembly connects main kiln pipe and decelerator clutch end respectively, to realize the synchronous interlock of main kiln pipe and secondary kiln pipe.
Further, said feeding part includes closed storage tank and feeding screw, and wherein, feeding screw is arranged at closed storage tank below and passes through a tube connector and seamless airtight connection of main kiln pipe.
Further, said frame bottom is provided with several and regulates screw mandrel, and the input end of main kiln pipe remains with 3～10 degree inclinations angle to exporting the end.
Further, said main kiln inwall is provided with the insulating that alumina silicate fibre, high aluminum fiber and mullite light-weight brick are bonded and formed.
Further, said main kiln is provided with heater block in insulating, and heater block adopts the electric heating Elema.
Further, said atmosphere protection system adopts nitrogen protection gas, and nitrogen flow is 0～10L/min.
The present invention compared with prior art, its beneficial effect is:
1, can realize atmosphere protection, carry out the anaerobic sintering;
2, reduce cost, reduced the floor space of equipment;
3, reduce rate of breakdown, improved the reliability of system, reduced the maintenance of equipment, reduced operating cost;
4, practice thrift energy consumption, improved the quality of product.
In order to understand the present invention more clearly, below accompanying drawings is set forth the specific embodiment of the present invention.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
As shown in Figure 1; Atmosphere protection type rotary kiln according to the invention; Include frame 1, main kiln 2 and secondary kiln 3, said main kiln 2 inwalls are provided with the insulating that alumina silicate fibre, high aluminum fiber and mullite light-weight brick are bonded and formed, and are provided with the electric heating Elema in the insulating.
Be provided with main kiln pipe 21 in the above-mentioned main kiln 2; Be provided with secondary kiln pipe 31 in the secondary kiln 3; The input of main kiln pipe 21 is connected cooperation with feeding part 4, and the output of secondary kiln pipe 31 is connected cooperation with discharging parts 5, and the output of main kiln pipe 21 is connected with the seamless airtight integral type of the input of secondary kiln pipe 31.Further, said main kiln pipe 21 is provided with high temperature resistant packing seal circle with the connecting portion of feeding part 4, secondary kiln pipe 31 with the connecting portion of discharging parts 5.Preferred version as present embodiment; Also include an atmosphere protection system, the atmosphere protection system adopts nitrogen protection gas, and nitrogen flow is 0～10L/min; Its air intake 61 is arranged on the tube connector 41 of feeding part and main kiln pipe, and gas outlet 61 is arranged on the discharging cover 51 of discharging parts.
Above-mentioned main kiln pipe 21 is connected with a transmission system 7 with secondary kiln pipe 31 and synchronous interlock; Transmission system 7 includes main frame 71, decelerator 72, support roller roll wheel assembly 73 and chain drive assembly 74; Wherein, the clutch end of main frame 71 is connected cooperation with decelerator 72, and support roller roll wheel assembly 73 is arranged at the input end and output end of main kiln pipe 21; Chain drive assembly 74 connects main kiln pipe 21 and decelerator clutch end respectively, to realize the synchronous interlock of main kiln pipe 21 and secondary kiln pipe 31.
Above-mentioned feeding part 4 includes closed storage tank 42 and feeding screw 43, and wherein, feeding screw 43 is arranged at closed storage tank 42 belows and passes through a tube connector 41 and main 21 seamless airtight connections of kiln pipe.
Above-mentioned frame 1 bottom is provided with several and regulates screw mandrel 11, and the input end of main kiln pipe 21 remains with 3～10 degree inclinations angle to exporting the end.
Operation principle of the present invention is described below: material gets into main kiln pipe from closed storage tank through feeding screw, main kiln pipe and the synchronous uniform rotation of secondary kiln pipe, and material rolls mobile in main kiln pipe and secondary kiln pipe forward; And evenly heating in main kiln pipe, evenly cooling in secondary kiln pipe, meanwhile; Protective gas gets into main kiln pipe from the air intake of atmosphere protection system; Material is directly pressurizeed and forces the air of draining in main kiln pipe and the secondary kiln pipe, guarantee that material carries out the anaerobic sintering, last; Material is discharged from the discharging parts, and protective gas is drained from the gas outlet of atmosphere protection system.
The present invention is not limited to above-mentioned embodiment; If various changes of the present invention or modification are not broken away from the spirit and scope of the present invention; If these are changed and modification belongs within claim of the present invention and the equivalent technologies scope, then the present invention also is intended to comprise these changes and modification.
Claims (9)
1. atmosphere protection type rotary kiln; Include frame, main kiln and secondary kiln, be provided with main kiln pipe in the main kiln, be provided with secondary kiln pipe in the secondary kiln; The input of main kiln pipe is connected cooperation with a feeding part; The output of secondary kiln pipe is connected cooperation with discharging parts, and it is characterized in that: the output of said main kiln pipe is connected with the seamless airtight integral type of the input of secondary kiln pipe, and main kiln pipe is connected with secondary kiln Guan Yuyi transmission system and synchronous interlock.
2. according to the said atmosphere protection type rotary kiln of claim 1, it is characterized in that: the connecting portion of the connecting portion of said main kiln pipe and feeding part, secondary kiln pipe and discharging parts is provided with high temperature resistant packing seal circle.
3. according to claim 1 or 2 said atmosphere protection type rotary kilns, it is characterized in that: also include an atmosphere protection system, the air intake of atmosphere protection system is arranged on the tube connector of feeding part and main kiln pipe, and the gas outlet is arranged on the discharging cover of discharging parts.
4. according to claim 1 or 2 said atmosphere protection type rotary kilns; It is characterized in that: said transmission system includes main frame, decelerator, support roller roll wheel assembly and chain drive assembly; Wherein, the clutch end of main frame is connected cooperation with decelerator, and the support roller roll wheel assembly is arranged at the input end and output end of main kiln pipe; The chain drive assembly connects main kiln pipe and decelerator clutch end respectively, to realize the synchronous interlock of main kiln pipe and secondary kiln pipe.
5. according to claim 1 or 2 said atmosphere protection type rotary kilns; It is characterized in that: said feeding part includes closed storage tank and feeding screw; Wherein, feeding screw is arranged at closed storage tank below and passes through a tube connector and seamless airtight connection of main kiln pipe.
6. according to claim 1 or 2 said atmosphere protection type rotary kilns, it is characterized in that: said frame bottom is provided with several and regulates screw mandrel, and the input end of main kiln pipe remains with 3～10 degree inclinations angle to exporting the end.
7. according to the said atmosphere protection type rotary kiln of claim 1, it is characterized in that: said main kiln inwall is provided with the insulating that alumina silicate fibre, high aluminum fiber and mullite light-weight brick are bonded and formed.
8. according to the said atmosphere protection type rotary kiln of claim 1, it is characterized in that: said main kiln is provided with heater block in insulating, and heater block adopts the electric heating Elema.
9. according to the said atmosphere protection type rotary kiln of claim 3, it is characterized in that: said atmosphere protection system adopts nitrogen protection gas, and nitrogen flow is 0～10L/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101756750A CN102679721A (en) | 2012-05-30 | 2012-05-30 | Atmosphere protective rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101756750A CN102679721A (en) | 2012-05-30 | 2012-05-30 | Atmosphere protective rotary kiln |
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| CN102679721A true CN102679721A (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101756750A Pending CN102679721A (en) | 2012-05-30 | 2012-05-30 | Atmosphere protective rotary kiln |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104704309A (en) * | 2012-10-08 | 2015-06-10 | 乔治洛德方法研究和开发液化空气有限公司 | Process and apparatus for improving the combustion of secondary fuel in a rotary kiln and process for retrofitting a rotary kiln with a burner assembly |
| CN106282586A (en) * | 2016-11-11 | 2017-01-04 | 攀钢集团攀枝花钢铁研究院有限公司 | Electrical heating rotary kiln is utilized to process the device and method of blast furnace dedusting ash |
| CN106480327A (en) * | 2016-11-11 | 2017-03-08 | 攀钢集团攀枝花钢铁研究院有限公司 | Reduce the device and method of lateritic nickel ore using electrical heating rotary kiln |
| CN108981382A (en) * | 2018-08-23 | 2018-12-11 | 甘明鑫 | It is a kind of for producing the two-part rotary kiln and its preparation process of zinc calcine |
| CN110243171A (en) * | 2019-06-27 | 2019-09-17 | 佛山市天禄智能装备科技有限公司 | A kind of intermittent rotary kiln |
| CN112781365A (en) * | 2020-12-08 | 2021-05-11 | 深圳供电局有限公司 | Low-temperature roasting equipment |
Citations (4)
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| US5395463A (en) * | 1990-09-20 | 1995-03-07 | Mannesmann Aktiengesellschaft | Method and arrangement for reduction annealing of iron powder |
| CN201053814Y (en) * | 2007-06-22 | 2008-04-30 | 咸阳陶瓷研究设计院 | Heat-tolerant metal furnace tube continuous external heating type protective atmosphere converter |
| CN201212773Y (en) * | 2008-06-13 | 2009-03-25 | 江阴市中立机械工业有限公司 | Interval type self-control rotary kiln for sulfur removing in electricity plant |
| CN202630662U (en) * | 2012-05-30 | 2012-12-26 | 广东风华高新科技股份有限公司 | Atmosphere protecting rotary kiln |
-
2012
- 2012-05-30 CN CN2012101756750A patent/CN102679721A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| US5395463A (en) * | 1990-09-20 | 1995-03-07 | Mannesmann Aktiengesellschaft | Method and arrangement for reduction annealing of iron powder |
| CN201053814Y (en) * | 2007-06-22 | 2008-04-30 | 咸阳陶瓷研究设计院 | Heat-tolerant metal furnace tube continuous external heating type protective atmosphere converter |
| CN201212773Y (en) * | 2008-06-13 | 2009-03-25 | 江阴市中立机械工业有限公司 | Interval type self-control rotary kiln for sulfur removing in electricity plant |
| CN202630662U (en) * | 2012-05-30 | 2012-12-26 | 广东风华高新科技股份有限公司 | Atmosphere protecting rotary kiln |
Non-Patent Citations (1)
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| 刘文采: "《回转窑整体结构与加热方式的探讨。", 《磁性材料及器件》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104704309A (en) * | 2012-10-08 | 2015-06-10 | 乔治洛德方法研究和开发液化空气有限公司 | Process and apparatus for improving the combustion of secondary fuel in a rotary kiln and process for retrofitting a rotary kiln with a burner assembly |
| CN104704309B (en) * | 2012-10-08 | 2017-07-14 | 乔治洛德方法研究和开发液化空气有限公司 | Method for the method and apparatus of the burning that improves in rotary kiln secondary fuel and for reequiping rotary kiln using burner assembly |
| CN106282586A (en) * | 2016-11-11 | 2017-01-04 | 攀钢集团攀枝花钢铁研究院有限公司 | Electrical heating rotary kiln is utilized to process the device and method of blast furnace dedusting ash |
| CN106480327A (en) * | 2016-11-11 | 2017-03-08 | 攀钢集团攀枝花钢铁研究院有限公司 | Reduce the device and method of lateritic nickel ore using electrical heating rotary kiln |
| CN106282586B (en) * | 2016-11-11 | 2018-05-01 | 攀钢集团攀枝花钢铁研究院有限公司 | Utilize the device and method of electrical heating rotary kiln processing blast furnace dedusting ash |
| CN106480327B (en) * | 2016-11-11 | 2018-11-16 | 成都先进金属材料产业技术研究院有限公司 | Utilize the device and method of electric heating rotary kiln reduction lateritic nickel ore |
| CN108981382A (en) * | 2018-08-23 | 2018-12-11 | 甘明鑫 | It is a kind of for producing the two-part rotary kiln and its preparation process of zinc calcine |
| CN110243171A (en) * | 2019-06-27 | 2019-09-17 | 佛山市天禄智能装备科技有限公司 | A kind of intermittent rotary kiln |
| CN112781365A (en) * | 2020-12-08 | 2021-05-11 | 深圳供电局有限公司 | Low-temperature roasting equipment |
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Application publication date: 20120919 |