CN103641338A - Oppositely-burning-type sleeve lime kiln - Google Patents
Oppositely-burning-type sleeve lime kiln Download PDFInfo
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- CN103641338A CN103641338A CN201310660485.2A CN201310660485A CN103641338A CN 103641338 A CN103641338 A CN 103641338A CN 201310660485 A CN201310660485 A CN 201310660485A CN 103641338 A CN103641338 A CN 103641338A
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Abstract
The invention relates to an oppositely-burning-type sleeve lime kiln. The oppositely-burning-type sleeve lime kiln comprises a kiln body feeding system, a lime kiln charging system, a kiln body outer sleeve, a kiln body inner sleeve, internal and external oppositely burning nozzle groups, annular air coolers, a multi-point seal ash discharge machine set, a finished product ash bin as well as a finished product ash conveyer, wherein the kiln body feeding system is arranged on the top of the kiln body outer sleeve, and is in butt joint with the lime kiln charging system; the kiln body inner sleeve is arranged in the kiln body outer sleeve, and an annular forging region is formed between the kiln body inner sleeve and the kiln body outer sleeve; the internal and external oppositely burning nozzle groups are arranged in the annular forging region; the annular air coolers are arranged on the bottom of the annular forging region; the multi-point seal ash discharge machine set is arranged on the bottom parts of the annular air coolers; the finished product lime ash bin is arranged on the bottom of the multi-point seal ash discharge machine set, and the bottom of the finished product ash bin is in butt joint with the finished product ash conveyer. The oppositely-burning-type sleeve lime kiln provided by the invention has the advantages of energy conservation, environment protection, low running cost, uniform forging, high efficiency, good adaptability to fuels and the like.
Description
[technical field]
The present invention relates to a kind of limestone kiln, be specifically related to a kind ofly to burning formula sleeve lime kiln, belong to lime calcining equipment technical field.
[background technology]
The industries such as Iron And Steel Industry, calcium carbide industry, aluminum oxide industry, refractory materials are all lime consumption rich anies influential family.The industry that nearly 2 years these industries are all high speed developments, annual output is substantially all with more than 20% speed increment, but their need main raw, subsidiary material--lime does not really have corresponding growth, so caused the anxiety of lime, thereby irritated starting in a large number of social native limestone kiln, the severe contamination having caused again environment in full flourish of native firing.In this case, country and local government have put into effect policy and the rules of the native firing of a series of regulations in succession, but are difficult to realize desired result, and reason is to have irritating of demand.Therefore wanting to infuse the end administers the pollution of native firing, must carry out the problem that demand is solved in Modern New Technology limestone kiln.
So-called Modern New Technology limestone kiln is exactly to have environmental protection, power saving function and mechanize, modernization limestone kiln that level of automation is higher.But, existing advanced limestone kiln mostly very complicated, running cost is high, to problems such as fuel tolerance are poor, traditional limestone kiln yields poorly, becomes that ash is of poor quality, not environmental protection, production efficiency are low.
Therefore, for avoiding above-mentioned technical problem, necessary provide a kind of advanced person to burning formula sleeve lime kiln, to overcome described defect of the prior art.
[summary of the invention]
The object of the present invention is to provide a kind of energy-conserving and environment-protective, running cost is low, calcining is even and efficiency is high, to fuel tolerance good to burning formula sleeve lime kiln, with solve existing limestone kiln complex structure, running cost high, poor to fuel tolerance, yield poorly, become that ash is of poor quality, not environmental protection, problem that production efficiency is low.
For achieving the above object, the technical scheme that the present invention takes is: a kind of to burning formula sleeve lime kiln, it comprises kiln body feed system, limestone kiln feeding system, the external sleeve of kiln, kiln body inner sleeve, inside and outside to burning formula burner group, annular air water cooler, multipoint mode sealing ash discharge unit, finished product ash silo and finished product ash transfer roller; Wherein, described kiln body feed system is arranged at the top of the external sleeve of kiln, and itself and described limestone kiln feeding system connect; Described kiln body inner sleeve is arranged in the external sleeve of kiln, forms an annular burning district between the two; Inside and outside described, to burning formula burner group, be arranged in annular burning district; Described annular air water cooler is arranged on the bottom in annular burning district; Described multipoint mode sealing ash discharge unit is arranged on the bottom of stating annular air water cooler; Described finished product ash silo is arranged on the bottom of multipoint mode sealing ash discharge unit, and its bottom and finished product ash transfer roller connect.
Of the present inventionly to burning formula sleeve lime kiln, be further set to: describedly inside and outsidely to burning formula burner group, be provided with one group or two groups; Inside and outside to burning formula burner group, be evenly installed on the external sleeve of kiln, kiln body inner sleeve, and be interspersed.
Of the present inventionly to burning formula sleeve lime kiln, be further set to: described multipoint mode sealing ash discharge unit is cirque structure.
Of the present inventionly to burning formula sleeve lime kiln, be further set to: described limestone kiln feeding system and a raw material melt pit connect.
Of the present inventionly to burning formula sleeve lime kiln, be also set to: in described, inside and outsidely to burning in formula burner group, be connected with combustion-supporting gas pipeline and gas pipeline.
Compared with prior art, the present invention has following beneficial effect:
1. of the present invention strong to burning formula sleeve lime kiln calcining penetration power, evenly, calcining zone and preheating zone are longer, can effectively reduce product hear rate, significantly improve the quality of products in calcining;
2. of the present inventionly to burning the inside and outside of formula sleeve lime kiln, to burning formula burner group, be positioned at annular burning district, its flame and high-temperature gas directly spray to and are positioned between two groups of burners and annular burning district, top material bed, High Temperature Gas physical efficiency after burning is uniformly distributed in kiln, there is not gas flow dead angle, therefore also eliminate calcining dead angle, and then improved calcining uniformity coefficient;
3. of the present inventionly to burning formula sleeve lime kiln, can significantly improve Wingdale capacity by strengthening the diameter of annular calcining zone, thereby improve the day output of calcining kiln, its day output list kiln can reach more than 800 tons, and economic benefit is very outstanding.
[accompanying drawing explanation]
Fig. 1 is of the present invention to burning the structural representation of formula sleeve lime kiln.
Fig. 2 is the inside and outside layout drawing to burning formula burner group in Fig. 1.
Fig. 3 is the layout drawing of the multipoint mode sealing ash discharge unit in Fig. 1.
[embodiment]
Refer to Figure of description 1 to shown in accompanying drawing 3, the present invention is a kind of to burning formula sleeve lime kiln, and it is comprised of kiln body feed system 1, limestone kiln feeding system 2, the external sleeve 3 of kiln, kiln body inner sleeve 4, inside and outside several parts such as ash discharge unit 7, finished product ash silo 8 and finished product ash transfer roller 9 that burning formula burner group 5, annular air water cooler 6, multipoint mode are sealed.
Wherein, described kiln body inner sleeve 4 is arranged in the external sleeve 3 of kiln, forms an annular burning district 11 between the two.This annular burning district 11 holds Wingdale, and Wingdale is calcined.The width in this annular burning district 11 is 900mm, this width design is can decompose smoothly under the inside and outside flame to burning formula burner group 5 is calcined based on Wingdale raw material, and the penetrance of internal layer and outer burner, the homogeneity that can guarantee can guarantee calcining under this width, realizes best calcining effect.
Inside and outside described, to burning formula burner group 5, be arranged in annular burning district 11.Specifically, describedly inside and outside to burning formula burner group 5, be provided with one group or two groups; Inside and outside to burning formula burner group 5, by fastening piece, be evenly installed on the external sleeve 3 of kiln, kiln body inner sleeve 4, and be interspersed, burner exports all towards annular burning district 11, makes flame relative combustion.Inside and outside described, to burning formula burner group 5 applicable pluralities of fuels, produce, as coal dust, coal gas, heavy oil etc.Inside and outside described, to burning in formula burner group 5, be also connected with combustion-supporting gas pipeline 51 and gas pipeline 52.
At present, the inner sleeve of the sleeve lime kiln on market does not have burner, and the Inspection and maintenance of inner sleeve can only just can carry out when stopping kiln overhaul, and can entering kiln body inner sleeve 4 at any time, the personnel that control of this creation carry out burner inspection and regulation and control, and can carry out the examination and maintenance of kiln body inner sleeve 4, greatly simplified the control mode of sleeve kiln.
Have, of the present invention to burning the mode of the two-way calcining of employing of formula sleeve lime kiln, the gap bridge that it has been cancelled between the external sleeve 3 of kiln, kiln body inner sleeve 4, simplifies the structure again, and is guaranteeing, under the better prerequisite of calcining effect, to greatly reduce construction cost.The effect of passing a bridge is exactly that the burner flame that is arranged on outer sleeve is delivered to the calcining face at inner sleeve position by gap bridge passage.And existing gap bridge design is very complicated and fabrication cost is high, be in operation owing to being subject to high-temperature calcination and material pressure and washing away, often there is the serious accident that gap bridge caves in, cause fabrication cost and maintenance cost high,
Described kiln body feed system 1 is arranged at the top of the external sleeve 3 of kiln, and itself and described limestone kiln feeding system 2 connect.Described limestone kiln feeding system 2 and a raw material melt pit 10 connect.Qualified Wingdale raw material is discharged into kiln body feed system 1 by limestone kiln feeding system 2, and evenly pours annular burning district 11 into by kiln body feed system 1.
Described annular air water cooler 6 is arranged on the bottom in annular burning district 11, its cooling air is provided by cooling blower, freezing air injects the quickened lime after calcining and decomposing, and rises along the annular burning district 11 of 4, the external sleeve 3 of kiln, kiln body inner sleeve, to lime, carries out cooling.After cooling air and finished product lime heat-shift, inside and outside rising to, to burning formula burner group 5 calcining zone places, participate in fuel combustion supporting, fully recycle heat energy.
Described multipoint mode sealing ash discharge unit 7 is arranged on the bottom of stating annular air water cooler 6, and it is cirque structure, with corresponding with the shape of annular air water cooler 6.This multipoint mode sealing ash discharge unit 7 guarantees that the discharging of finished product ash is even, and inside and outside isolated kiln, makes kiln inner pressure keep stable.
Described finished product ash silo 8 is arranged on the bottom of multipoint mode sealing ash discharge unit 7, and its bottom and finished product ash transfer roller 9 connect.The quickened lime being calcination into, through multipoint mode sealing ash discharge unit 7, falls into finished product ash silo 8, and by the jaw formula discharging machine (not shown) of finished product ash silo 8, finished product ash is discharged to output on finished product ash transfer roller 9.
Of the present invention to burning formula sleeve lime kiln when producing, required fuel and combustion air are by gas pipeline 52 and 51 inputs of combustion-supporting gas pipeline, fuel and combustion air carry out fine adjustment by valve, by regulating the distribution of each burner recently to guarantee that heat supply is even, by adjusting air-fuel ratio, guarantee efficiency of combustion.In kiln, each band adopts negative-pressure operation, negative-pressure operation is conducive to the security of combustion gas operation compared with malleation kiln, be conducive to the feature of environmental protection in limestone kiln, has more effectively accelerated the decomposition rate of Wingdale, carbonic acid gas remaining in lime is fully separated out, obtain high-quality quickened lime.The waste gas that lime production produces is extracted out by being positioned at the exhaust pipeline on kiln top, makes formation subnormal ambient in kiln.Equally distributedly inside and outside to burning formula burner group 5, can guarantee that high temperature gas flow is clear and coherent smooth, and be evenly distributed on kiln space and carry out limestone calcination, lime calcining more even, lime quality is higher.
Above embodiment is only the preferred embodiment of this creation, not in order to limit this creation, any modification of making, is equal to replacement, improvement etc., within all should being included in the protection domain of this creation within all spirit in this creation and principle.
Claims (5)
1. to burning a formula sleeve lime kiln, it is characterized in that: comprise kiln body feed system, limestone kiln feeding system, the external sleeve of kiln, kiln body inner sleeve, inside and outside to burning formula burner group, annular air water cooler, multipoint mode sealing ash discharge unit, finished product ash silo and finished product ash transfer roller; Wherein, described kiln body feed system is arranged at the top of the external sleeve of kiln, and itself and described limestone kiln feeding system connect; Described kiln body inner sleeve is arranged in the external sleeve of kiln, forms an annular burning district between the two; Inside and outside described, to burning formula burner group, be arranged in annular burning district; Described annular air water cooler is arranged on the bottom in annular burning district; Described multipoint mode sealing ash discharge unit is arranged on the bottom of annular air water cooler; Described finished product ash silo is arranged on the bottom of multipoint mode sealing ash discharge unit, and its bottom and finished product ash transfer roller connect.
2. as claimed in claim 1 to burning formula sleeve lime kiln, it is characterized in that: inside and outside described, to burning formula burner group, be provided with one group or two groups; Inside and outside to burning formula burner group, be evenly installed on the external sleeve of kiln, kiln body inner sleeve, and be interspersed.
3. as claimed in claim 1 to burning formula sleeve lime kiln, it is characterized in that: described multipoint mode sealing ash discharge unit is cirque structure.
4. as claimed in claim 1 to burning formula sleeve lime kiln, it is characterized in that: described limestone kiln feeding system and a raw material melt pit connect.
5. as claimed in claim 1 to burning formula sleeve lime kiln, it is characterized in that: inside and outside described, to burning in formula burner group, be connected with combustion-supporting gas pipeline and gas pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310660485.2A CN103641338B (en) | 2013-12-10 | 2013-12-10 | Oppositely-burning-type sleeve lime kiln |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310660485.2A CN103641338B (en) | 2013-12-10 | 2013-12-10 | Oppositely-burning-type sleeve lime kiln |
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| Publication Number | Publication Date |
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| CN103641338A true CN103641338A (en) | 2014-03-19 |
| CN103641338B CN103641338B (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310660485.2A Active CN103641338B (en) | 2013-12-10 | 2013-12-10 | Oppositely-burning-type sleeve lime kiln |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732351A (en) * | 2020-06-29 | 2020-10-02 | 东北大学 | Sleeve lime kiln with combustion chambers distributed in staggered height |
| CN114315180A (en) * | 2021-08-13 | 2022-04-12 | 山东万达环保科技有限公司 | Vertical sleeve lime kiln |
| CN116332533A (en) * | 2023-05-30 | 2023-06-27 | 山西富渊通科技有限公司 | Opposite firing type sleeve lime kiln and operation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4452584A (en) * | 1981-12-25 | 1984-06-05 | Ulrich Beckenbach | Ring shaft kiln for calcining materials and a method of operation |
| CN102303956A (en) * | 2011-07-22 | 2012-01-04 | 石家庄市新华工业炉有限公司 | Sleeve-type lime kiln |
| CN203582740U (en) * | 2013-12-10 | 2014-05-07 | 石家庄奋进科技有限公司 | Opposed-firing sleeve lime kiln |
-
2013
- 2013-12-10 CN CN201310660485.2A patent/CN103641338B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4452584A (en) * | 1981-12-25 | 1984-06-05 | Ulrich Beckenbach | Ring shaft kiln for calcining materials and a method of operation |
| CN102303956A (en) * | 2011-07-22 | 2012-01-04 | 石家庄市新华工业炉有限公司 | Sleeve-type lime kiln |
| CN203582740U (en) * | 2013-12-10 | 2014-05-07 | 石家庄奋进科技有限公司 | Opposed-firing sleeve lime kiln |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732351A (en) * | 2020-06-29 | 2020-10-02 | 东北大学 | Sleeve lime kiln with combustion chambers distributed in staggered height |
| CN114315180A (en) * | 2021-08-13 | 2022-04-12 | 山东万达环保科技有限公司 | Vertical sleeve lime kiln |
| CN116332533A (en) * | 2023-05-30 | 2023-06-27 | 山西富渊通科技有限公司 | Opposite firing type sleeve lime kiln and operation method thereof |
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|---|---|
| CN103641338B (en) | 2015-04-15 |
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