CN203530147U - Annular sleeve kiln - Google Patents
Annular sleeve kiln Download PDFInfo
- Publication number
- CN203530147U CN203530147U CN201320654847.2U CN201320654847U CN203530147U CN 203530147 U CN203530147 U CN 203530147U CN 201320654847 U CN201320654847 U CN 201320654847U CN 203530147 U CN203530147 U CN 203530147U
- Authority
- CN
- China
- Prior art keywords
- combustion chamber
- burner
- urceolus
- kiln
- inner core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 79
- 238000001354 calcination Methods 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 210000000038 chest Anatomy 0.000 claims description 16
- 239000000446 fuel Substances 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000004449 solid propellant Substances 0.000 claims description 2
- 235000019738 Limestone Nutrition 0.000 abstract description 9
- 239000006028 limestone Substances 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000011819 refractory material Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000010459 dolomite Substances 0.000 abstract 1
- 229910000514 dolomite Inorganic materials 0.000 abstract 1
- 239000003517 fume Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000008188 pellet Substances 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 11
- 235000011941 Tilia x europaea Nutrition 0.000 description 11
- 239000004571 lime Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000005997 Calcium carbide Substances 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 1
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model relates to an annular sleeve kiln which comprises a kiln body, a feed system and a discharge system, wherein the kiln body is in a sleeve structure and consists of an inner sleeve and an outer sleeve; an annular space between the inner sleeve and the outer sleeve is a hearth; a preheating zone, a calcining zone and a cooling zone are arranged in the hearth; the inner sleeve and the outer sleeve of the calcining zone are provided with one to five combustion chambers or peripheral burner nozzles; the combustion chambers are provided with burner nozzles; the combustion chambers in the inner sleeve are located outside an inner sleeve wall; the combustion chambers in the outer sleeve are located outside an outer sleeve wall; and the combustion chambers are communicated with the hearth by fume channels. The annular sleeve kiln is simple in structure and low in construction cost and operating cost, facilitates lowering the cost of a calcined product, increases an economic benefit of an enterprise, and is suitable for calcining or heating limestone, dolomite, a refractory material and a metal pellet for medium and small enterprises.
Description
Technical field
The utility model belongs to chemical building material production unit technical field, relates to a kind of limestone kiln, is specifically related to a kind of annulus stove
.
Background technology
Wingdale main component is calcium carbonate, through Decomposition of Calcium Carbonate in high-temperature calcination Wingdale, becomes lime and carbonic acid gas.Lime is important material of construction, is also important raw and processed materials metallurgical, chemical industry, is widely used in Iron And Steel Industry, calcium carbide industry, aluminum oxide industry and refractory materials etc.Along with the high speed development of above-mentioned industry, the demand of lime is with annual more than 20% speed increment.The growth of the industrial chemicals lime production amount that quickened lime is important has promoted modern limestone kiln new technology to constantly update.Adopt the fuel calcined limestone that burns in limestone kiln to produce lime.The flue gas that the cooling generation of calcined limestone and lime is a large amount of and warm air, be directly discharged into atmosphere, not only takes away a large amount of heat energy, causes power loss, and contaminate environment.In kiln, the method for direct combustion heating, is subject to the impact of the length of flame and flame region temperature contrast, and in kiln, the temperature difference is very large, easily produces raw burn, burning, affect quality product, and because local temperature is too high, material bonds, and causes outstanding kiln.Modernization lime calcining kiln mainly contains shaft furnace, rotary kiln, sleeve kiln, Maers Kiln and Fu Kasi kiln etc., and these kiln type level of automation are high, and throughput is large, and the lime product quality of calcining is good.But the problem that above-mentioned kiln type exists is kiln, investment is huge, and many medium and small lime productions enterprise does not have capacity building, applies and is restricted.
Utility model content
The purpose of this utility model is to provide a kind of annulus stove, to reduce limestone kiln construction cost and productive expense, optimizes the performance of calcining effect and stove, improves by the quality of calcination product.
The utility model annulus stove, comprises kiln body, feed system and discharge system.Kiln body is telescoping structure, inner core and urceolus, consists of, and the annular space between inner core and urceolus is kiln thorax, is provided with preheating zone, calcining zone and cooling zone in kiln thorax.The inner core of calcining zone and urceolus are provided with 1～5 layer of combustion chamber or periphery burner, and combustion chamber is provided with burner.The combustion chamber of inner core is positioned at the outside of inner tube wall, and the combustion chamber of urceolus is positioned at the outside of wall of the outer-rotor, and combustion chamber is communicated with kiln thorax by exhaust gases passes.
Combustion chamber is that each combustion chamber is provided with burner along inner tube wall or a plurality of independently combustion chambers of wall of the outer-rotor.Combustion chamber is that combustion chamber is provided with burner along the toroidal combustion chamber of inner tube wall or wall of the outer-rotor formation.Inner core is provided with combustion chamber, and urceolus is provided with periphery burner or inner core is provided with periphery burner, and urceolus is provided with combustion chamber.The combustion chamber of inner core or periphery burner are identical or not identical with combustion chamber or the periphery burner vertical position of urceolus.Burner and periphery burner are geseous fuel burner, liquid fuel burner or solid fuel burner, or the combination of above-mentioned burner.
The utility model annulus stove is at inner core and outer cylindrical circularizes space utilization combustion chamber or periphery burner combustion is calcined material, and flame distribution is even, avoids occurring raw burn or burn-off phenomenon, has improved the quality of calcination product.The utility model is simple in structure, and construction cost and process cost are low, is conducive to reduce the cost of calcination product, improves the economic benefit of enterprise, is applicable to medium-sized and small enterprises calcining or heating Wingdale, rhombspar, refractory materials and metal pelletizing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model annulus stove;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the structural representation of another embodiment of the utility model;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the utility model structural representation of an embodiment again;
Fig. 6 is the structural representation of the 4th kind of embodiment of the utility model;
Fig. 7 is the structural representation of the 5th kind of embodiment of the utility model.
Wherein:
1-urceolus, 2-kiln thorax, 3-exhaust gases passes, 4-combustion chamber, 5-inner core, 6-burner, 7-periphery burner.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is elaborated.
The utility model annulus stove as shown in Figure 1 and Figure 2, comprises kiln body, feed system and discharge system.Kiln body is telescoping structure, inner core 5 and urceolus 1, consists of, and the annular space between inner core and urceolus is kiln thorax 2, is provided with preheating zone, calcining zone and cooling zone in kiln thorax.The urceolus of calcining zone is provided with one deck combustion chamber 4, and combustion chamber is positioned at the outside of wall of the outer-rotor, and combustion chamber is the toroidal combustion chamber forming along wall of the outer-rotor, and combustion chamber is provided with 32 burners 6, and combustion chamber is communicated with kiln thorax by exhaust gases passes 3.Inner core is provided with 10 periphery burners 7 of one deck, and the periphery burner of inner core is identical with the combustion chamber vertical position of urceolus.The burner 6 of combustion chamber and periphery burner are geseous fuel burner.
During the operation of annulus stove, limestone material enters preheating zone through feed system, material after preheating goes downwards to calcining zone, and the flue gas that combustion chambers burn produces enters kiln thorax 2 through exhaust gases passes 3, with flame calcined limestone material together with flue gas of periphery burner combustion ejection.Flue gas is along the fresh fuel of kiln thorax rising preheating preheating zone, and the lime of having calcined goes out stove by discharge system cooling zone is cooling.
Another embodiment of the utility model as shown in Figure 3, Figure 4, the inner core 5 of calcining zone is provided with one deck combustion chamber 4, and combustion chamber is positioned at the outside of inner tube wall, and combustion chamber is the toroidal combustion chamber forming along wall of the outer-rotor, combustion chamber is provided with 10 burners 6, and combustion chamber is communicated with kiln thorax by exhaust gases passes 3.Urceolus is provided with 32 periphery burners 7 of one deck, and the periphery burner of urceolus is identical with the combustion chamber vertical position of inner core.The burner 6 of combustion chamber is liquid fuel burner, and periphery burner is geseous fuel burner.
An embodiment is as shown in Figure 5 again for the utility model, the inner core 5 of calcining zone is provided with one deck combustion chamber 4, and combustion chamber is positioned at the outside of inner tube wall, and combustion chamber is the toroidal combustion chamber forming along wall of the outer-rotor, combustion chamber is provided with 10 burners 6, and combustion chamber is communicated with kiln thorax by exhaust gases passes 3.Urceolus is provided with 32 periphery burners 7 of one deck, and the periphery burner vertical position of urceolus is higher than the combustion chamber of inner core.The burner 6 of combustion chamber is liquid fuel burner, and periphery burner is geseous fuel burner.
The 4th kind of embodiment of the utility model as shown in Figure 6, the inner core 5 of calcining zone is provided with two-layer combustion chamber 4, and combustion chamber is positioned at the outside of inner tube wall, and combustion chamber is the toroidal combustion chamber forming along wall of the outer-rotor, every layer of combustion chamber is provided with 10 burners 6, and combustion chamber is communicated with kiln thorax by exhaust gases passes 3.Urceolus 1 is provided with two-layer periphery burner 7, every layer of 32 periphery burner, and the periphery burner of urceolus is identical with the combustion chamber vertical position of inner core.The burner 6 of combustion chamber and periphery burner are liquid fuel burner.
As shown in Figure 7, the urceolus of calcining zone is provided with independently combustion chamber 4 of 16 of one decks to the 5th kind of embodiment of the utility model, and combustion chamber is positioned at the outside of wall of the outer-rotor, and each combustion chamber is provided with burner 6, and combustion chamber is communicated with kiln thorax 2 by exhaust gases passes 3.Inner core is provided with 10 periphery burners 7 of one deck, and the periphery burner of inner core is identical with the combustion chamber vertical position of urceolus.The burner 6 of combustion chamber and periphery burner are geseous fuel burner.
Claims (6)
1. an annulus stove, comprise kiln body, feed system and discharge system, described kiln body is telescoping structure, by inner core (5) and urceolus (1), formed, annular space between inner core and urceolus is kiln thorax (2), in kiln thorax, be provided with preheating zone, calcining zone and cooling zone, it is characterized in that: the inner core of described calcining zone and urceolus are provided with 1～5 layer of combustion chamber (4) or periphery burner (7), and described combustion chamber is provided with burner (6); The combustion chamber of described inner core is positioned at the outside of inner tube wall, and the combustion chamber of described urceolus is positioned at the outside of wall of the outer-rotor, and combustion chamber is communicated with kiln thorax by exhaust gases passes (3).
2. annulus stove according to claim 1, is characterized in that: described combustion chamber is that each combustion chamber is provided with burner (6) along inner tube wall or a plurality of independently combustion chambers of wall of the outer-rotor.
3. annulus stove according to claim 1, is characterized in that: described combustion chamber is the toroidal combustion chamber along inner tube wall or wall of the outer-rotor formation, and combustion chamber is provided with burner (6).
4. according to the annulus stove described in claim 1～3 any one, it is characterized in that: described inner core (5) is provided with combustion chamber (4), urceolus (1) is provided with periphery burner (7) or inner core is provided with periphery burner, and urceolus is provided with combustion chamber.
5. annulus stove according to claim 4, is characterized in that: the combustion chamber (4) of described inner core (5) or periphery burner (7) are identical or not identical with combustion chamber (4) or periphery burner (7) vertical position of urceolus (1).
6. annulus stove according to claim 4, is characterized in that: described burner (6) and periphery burner (7) are geseous fuel burner, liquid fuel burner or solid fuel burner, or the combination of above-mentioned burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320654847.2U CN203530147U (en) | 2013-10-23 | 2013-10-23 | Annular sleeve kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320654847.2U CN203530147U (en) | 2013-10-23 | 2013-10-23 | Annular sleeve kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203530147U true CN203530147U (en) | 2014-04-09 |
Family
ID=50416381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320654847.2U Expired - Lifetime CN203530147U (en) | 2013-10-23 | 2013-10-23 | Annular sleeve kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203530147U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553373A (en) * | 2013-10-23 | 2014-02-05 | 石家庄新华能源环保科技股份有限公司 | Annular sleeve kiln |
| CN113182034A (en) * | 2021-03-25 | 2021-07-30 | 蓝超洋 | Screening and utilizing kiln waste heat layering calcining device after limestone crushing |
| CN114057412A (en) * | 2021-10-24 | 2022-02-18 | 怀化鑫崀峰钙业有限公司 | Energy-saving lime kiln |
-
2013
- 2013-10-23 CN CN201320654847.2U patent/CN203530147U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553373A (en) * | 2013-10-23 | 2014-02-05 | 石家庄新华能源环保科技股份有限公司 | Annular sleeve kiln |
| CN113182034A (en) * | 2021-03-25 | 2021-07-30 | 蓝超洋 | Screening and utilizing kiln waste heat layering calcining device after limestone crushing |
| CN114057412A (en) * | 2021-10-24 | 2022-02-18 | 怀化鑫崀峰钙业有限公司 | Energy-saving lime kiln |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |