CN2876658Y - Roaster for producing aluminium oxide self-powdering grog by melting method - Google Patents
Roaster for producing aluminium oxide self-powdering grog by melting method Download PDFInfo
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- CN2876658Y CN2876658Y CN 200620133560 CN200620133560U CN2876658Y CN 2876658 Y CN2876658 Y CN 2876658Y CN 200620133560 CN200620133560 CN 200620133560 CN 200620133560 U CN200620133560 U CN 200620133560U CN 2876658 Y CN2876658 Y CN 2876658Y
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- calcining
- grog
- calcining furnace
- calcining kiln
- aluminum oxide
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Abstract
The utility model relates to a roaster for producing aluminium oxide self-powdering grog by melting method, which comprises a furnace with an inside shaft burning kiln, a second sirocco pipe, a superior and a inferior air chambers, a rotary distributor, a pulverized coal burner, a grog outlet, a material intake, a exhaust outlet, a tangent air inlet, and a radial air inlet. The utility model has the advantages of that the adoption of shaft furnace makes materials move from top to bottom on gravity, reducing power consumption; reaction is thorough and fast; energy consumption is reduced; operation is simplified and satisfactory quality rate of grog reaches 100 percent.
Description
Technical field:
The utility model relates to a kind of calcining furnace of producing aluminium oxide self powdering clinker, especially relates to a kind of calcining furnace of preparing aluminum oxide self-efflorescence grog by fusion method.
Background technology:
At present, domestic alumina producing has two kinds of methods, the one, Bayer process; The 2nd, sintering process.The capital equipment of Bayer process production is a canalization dissolving out apparatus.The capital equipment wet process rotary kiln that sintering process is produced.Domestic device is by kiln tail feeding raw slurry, and the rotation by rotary kiln moves forward material in kiln.Clinkering zone reaction is solid-liquid reaction, and its reaction speed is slow, needs the time long and clinker quality is wayward, defective grog often occurs.
The utility model content:
It is a kind of simple to operate, energy-saving and cost-reducing that the purpose of this utility model is to provide, and makes the up-to-standard rate of alumina clinker can reach the calcining furnace of 100% fusion method calcining aluminum oxide clinker.
The purpose of this utility model is implemented by following technical scheme: the calcining furnace of preparing aluminum oxide self-efflorescence grog by fusion method, include body of heater, in described body of heater inside is vertical calcining kiln, described calcining kiln is a cavity, divide three reaction zones, top is the raw material resolver, is the solid-liquid mixed zone in bottom, described raw material resolver, is the high-temperature liquid-phase reaction zone in bottom, described solid-liquid mixed zone; Between described inboard wall of furnace body and described calcining kiln outer wall, be provided with flame retardant coating; It also includes the secondary hot-air pipe, upper and lower part air compartment, revolution distributing device, coal burner, grog outlet, material inlet, described material inlet links to each other with the described revolution distributing device on described body of heater top in described calcining kiln upper end, is provided with waste gas outlet on the top of described body of heater; Be provided with the grog outlet in the lower end of described calcining furnace; Described calcining furnace outside in described raw material resolver correspondence is provided with described top air compartment, and correspondence is provided with the tangent line air inlet that tangentially distributes with the calcining kiln wall of raw material resolver and is connected with described top air compartment; Described calcining furnace outside in described high-temperature liquid-phase reaction zone correspondence is provided with described bottom air compartment, and the calcining kiln wall of corresponding and described high-temperature liquid-phase reaction zone is provided with the radially air inlet that radially distributes, and is connected with described bottom air compartment; Be provided with coal burner in described solid-liquid mixed zone and described high-temperature liquid-phase reaction zone bottom.
Described tangent line air inlet evenly distributes.The even distribution of tangent line air inlet can make into the material of calcining kiln even in same section preheating, and it is stable to be beneficial to next step thermal technology, and it is to make to enter hot-air generation eddy flow effect in the stove that tangential air intake mainly acts on, and increases the effective contact of hot-air with material.
Described radially air inlet evenly distributes.It is even in same section preheating that radially the even distribution of air inlet will enter the material of burning zone, and temperature improves rapidly when being beneficial to next step calcining, reduces fuel consumption.
Described coal burner is fixed on described calcining furnace outer wall, and the bocca of described coal burner passes described calcining kiln wall, places in the described calcining kiln.
Described coal burner is the combustion tube more than at least one or two, and described combustion tube tube head passes described calcining kiln wall and places in the described calcining kiln.
Described combustion tube more than two evenly distributes at described calcining furnace outer wall, and promptly the described combustion tube tube head in described calcining kiln is evenly distributed in the described calcining kiln.
On described secondary hot-air pipe, be provided with the secondary hot-air control valve.
On described coal burner, be provided with control valve.
Advantage of the present utility model is: 1, this equipment adopts shaft furnace, and material moves from top to bottom by gravity, has so just saved power consumption.2, adopt this equipment, react completely and fast.3, the structure because of this equipment is to adopt in the dry method raw material feeding calcining kiln to calcine, and so just can save energy resource consumption.4, secondary hot-air adopts tangential way to spray into calcining furnace in raw material resolver bottom, makes to produce the eddy flow effect in the stove.Rely on the size control time of staying of material in stove of eddy flow hot blast.One secondary hot-air adopts radial manner to enter calcining furnace in high-temperature liquid-phase reaction zone bottom in addition.Rely on the aweather gait of march of size control material of footpath.5, this equipment is simple to operate, and the clinker quality qualification rate reaches 100%.
Description of drawings:
Fig. 1 is a cross-sectional view of the present utility model.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the B-B cross-sectional view of Fig. 1.
Fig. 4 is the C-C cross-sectional view of Fig. 1.
Body of heater-1, calcining kiln-2, raw material resolver-3, solid-liquid mixed zone-4, high-temperature liquid-phase reaction zone-5, flame retardant coating-6, secondary hot-air pipe-7, top air compartment-8, bottom air compartment-9, revolution distributing device-10, coal burner-11, grog outlet-12, material inlet-13, tangent line air inlet-14, air inlet-15 radially, waste gas outlet-16, bocca-17, secondary hot-air control valve-18, control valve-19.
Below in conjunction with drawings and Examples the utility model is described further.
The specific embodiment:
Embodiment 1: as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the calcining furnace of preparing aluminum oxide self-efflorescence grog by fusion method includes body of heater 1, in body of heater 1 inside is vertical calcining kiln 2, calcining kiln 2 is a cavity, divide three reaction zones, top is raw material resolver 3, is solid-liquid mixed zone 4 in 3 bottoms, raw material resolver, is high-temperature liquid-phase reaction zone 5 in 4 bottoms, solid-liquid mixed zone; Between body of heater 1 inwall and calcining kiln outer wall, be provided with flame retardant coating 6; It also includes secondary hot-air pipe 7, upper and lower part air compartment 8,9, revolution distributing device 10, coal burner 11, grog outlet 12, material inlet 13, material inlet 13 links to each other with the revolution distributing device 10 on body of heater 1 top in calcining kiln 2 upper ends, is provided with waste gas outlet 16 on the top of body of heater 1; Be provided with grog outlet 12 in the lower end of calcining furnace 1; Calcining furnace outside in raw material resolver 3 correspondences is provided with top air compartment 8, and correspondence is provided with tangentially equally distributed tangent line air inlet 14 with the calcining kiln wall of raw material resolver 3 and is connected with top air compartment 8; Calcining furnace outside in high-temperature liquid-phase reaction zone 5 correspondences is provided with bottom air compartment 9, and corresponding calcining kiln 2 walls with high-temperature liquid-phase reaction zone 5 are provided with radially equally distributed radially air inlet 15, are connected with bottom air compartment 9; Be provided with coal burner 11 in solid-liquid mixed zone 4 and high-temperature liquid-phase reaction zone 5 bottoms.Coal burner 11 is fixed on the calcining furnace outer wall, and the bocca 17 of coal burner 11 passes the calcining kiln wall, places in the calcining kiln 2.Coal burner 11 is a combustion tube, and the combustion tube tube head is that bocca 17 passes the calcining kiln wall and places in the calcining kiln 2.Or coal burner 11 is the combustion tube more than two, and combustion tubes such as for example three, four, five evenly distribute at the calcining furnace outer wall, and promptly the combustion tube tube head in calcining kiln 2 is that bocca 17 is evenly distributed in the calcining kiln 2.On secondary hot-air pipe 7, be provided with secondary hot-air control valve 18.On coal burner 11, be provided with control valve 19.
Equally distributed tangent line air inlet 15 can make into the material of calcining kiln 2 even in same section preheating, and it is stable to be beneficial to next step thermal technology, and it is to make to enter hot-air generation eddy flow effect in the stove that tangential air intake mainly acts on, and increases the effective contact of hot-air with material.The material that equally distributed radially air inlet 15 even distributions will enter burning zone is even in same section preheating, and temperature improves rapidly when being beneficial to next step calcining, reduces fuel consumption.
Claims (8)
1, the calcining furnace of preparing aluminum oxide self-efflorescence grog by fusion method, it is characterized in that, it includes body of heater, in described body of heater inside is vertical calcining kiln, described calcining kiln is a cavity, divides three reaction zones, and top is the raw material resolver, in bottom, described raw material resolver is the solid-liquid mixed zone, is the high-temperature liquid-phase reaction zone in bottom, described solid-liquid mixed zone; Between described inboard wall of furnace body and described calcining kiln outer wall, be provided with flame retardant coating; It also includes the secondary hot-air pipe, upper and lower part air compartment, revolution distributing device, coal burner, grog outlet, material inlet, described material inlet links to each other with the described revolution distributing device on described body of heater top in described calcining kiln upper end, is provided with waste gas outlet on the top of described body of heater; Be provided with the grog outlet in the lower end of described calcining furnace; Described calcining furnace outside in described raw material resolver correspondence is provided with described top air compartment, and correspondence is provided with the tangent line air inlet that tangentially distributes with the calcining kiln wall of raw material resolver and is connected with described top air compartment; Described calcining furnace outside in described high-temperature liquid-phase reaction zone correspondence is provided with described bottom air compartment, and the calcining kiln wall of corresponding and described high-temperature liquid-phase reaction zone is provided with the radially air inlet that radially distributes, and is connected with described bottom air compartment; Be provided with coal burner in described solid-liquid mixed zone and described high-temperature liquid-phase reaction zone bottom.
2, the calcining furnace of preparing aluminum oxide self-efflorescence grog by fusion method as claimed in claim 1 is characterized in that, described tangent line air inlet evenly distributes.
3, the calcining furnace of preparing aluminum oxide self-efflorescence grog by fusion method as claimed in claim 1 is characterized in that, described radially air inlet evenly distributes.
4, the calcining furnace of preparing aluminum oxide self-efflorescence grog by fusion method as claimed in claim 1 is characterized in that, described coal burner is fixed on described calcining furnace outer wall, and the bocca of described coal burner passes described calcining kiln wall, places in the described calcining kiln.
5, the calcining furnace of preparing aluminum oxide self-efflorescence grog by fusion method as claimed in claim 4 is characterized in that, described coal burner is the combustion tube more than at least one or two, and described combustion tube tube head passes described calcining kiln wall and places in the described calcining kiln.
6, the calcining furnace of preparing aluminum oxide self-efflorescence grog by fusion method as claimed in claim 5, it is characterized in that, described combustion tube more than two evenly distributes at described calcining furnace outer wall, and promptly the described combustion tube tube head in described calcining kiln is evenly distributed in the described calcining kiln.
7, the calcining furnace of preparing aluminum oxide self-efflorescence grog by fusion method as claimed in claim 1 is characterized in that, is provided with the secondary hot-air control valve on described secondary hot-air pipe.
8, the calcining furnace of preparing aluminum oxide self-efflorescence grog by fusion method as claimed in claim 1 is characterized in that, is provided with control valve on described coal burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620133560 CN2876658Y (en) | 2006-09-13 | 2006-09-13 | Roaster for producing aluminium oxide self-powdering grog by melting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620133560 CN2876658Y (en) | 2006-09-13 | 2006-09-13 | Roaster for producing aluminium oxide self-powdering grog by melting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2876658Y true CN2876658Y (en) | 2007-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620133560 Expired - Fee Related CN2876658Y (en) | 2006-09-13 | 2006-09-13 | Roaster for producing aluminium oxide self-powdering grog by melting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2876658Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951663A (en) * | 2012-11-06 | 2013-03-06 | 内蒙古蒙西鄂尔多斯铝业有限公司 | Method for producing alumina clinker |
| CN103851898A (en) * | 2012-11-28 | 2014-06-11 | 新疆天业（集团）有限公司 | Salty mud ceramsite sintering furnace |
| CN110639318A (en) * | 2019-10-15 | 2020-01-03 | 宁夏洪腾科技开发有限公司 | Environment-friendly and energy-saving coal calcining system and method thereof |
-
2006
- 2006-09-13 CN CN 200620133560 patent/CN2876658Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951663A (en) * | 2012-11-06 | 2013-03-06 | 内蒙古蒙西鄂尔多斯铝业有限公司 | Method for producing alumina clinker |
| CN102951663B (en) * | 2012-11-06 | 2014-02-26 | 内蒙古蒙西鄂尔多斯铝业有限公司 | Method for producing alumina clinker |
| CN103851898A (en) * | 2012-11-28 | 2014-06-11 | 新疆天业（集团）有限公司 | Salty mud ceramsite sintering furnace |
| CN110639318A (en) * | 2019-10-15 | 2020-01-03 | 宁夏洪腾科技开发有限公司 | Environment-friendly and energy-saving coal calcining system and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Designer after: Tong Fulin Designer after: Zhao Xionghui Designer after: Hao Yaojin Designer before: Liu Ailin Designer before: Tong Fulin Designer before: Li Xueyong Designer before: Du Hongkui Designer before: Hao Yaojin Designer before: Ma Xuezhong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: LIU AILIN; TONG FULIN; LI XUEYONG; DU HONGKUI; HAO YAOJIN; MA XUEZHONG TO:TONG FULIN; ZHAO XIONGHUI; HAO YAOJIN |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070307 Termination date: 20140913 |
|
| EXPY | Termination of patent right or utility model |