CN109251016A - Brown Alundum, matched production Preparation equipment and preparation method - Google Patents
Brown Alundum, matched production Preparation equipment and preparation method Download PDFInfo
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- CN109251016A CN109251016A CN201810911624.7A CN201810911624A CN109251016A CN 109251016 A CN109251016 A CN 109251016A CN 201810911624 A CN201810911624 A CN 201810911624A CN 109251016 A CN109251016 A CN 109251016A
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- brown alundum
- smelting apparatus
- raw material
- exhaust pipe
- agitating device
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 238000003723 Smelting Methods 0.000 claims abstract description 35
- 239000002994 raw material Substances 0.000 claims abstract description 22
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 6
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 6
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 5
- 238000005273 aeration Methods 0.000 claims abstract description 4
- 230000003647 oxidation Effects 0.000 claims abstract description 4
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000005303 weighing Methods 0.000 claims description 11
- 241000251468 Actinopterygii Species 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000036413 temperature sense Effects 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 239000011651 chromium Substances 0.000 claims 1
- 238000002788 crimping Methods 0.000 claims 1
- 238000007791 dehumidification Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 5
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 239000003245 coal Substances 0.000 abstract description 2
- 239000000571 coke Substances 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000003672 processing method Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 3
- 229910000423 chromium oxide Inorganic materials 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910001570 bauxite Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 241000238370 Sepia Species 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- VDGJOQCBCPGFFD-UHFFFAOYSA-N oxygen(2-) silicon(4+) titanium(4+) Chemical compound [Si+4].[O-2].[O-2].[Ti+4] VDGJOQCBCPGFFD-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3241—Chromium oxides, chromates, or oxide-forming salts thereof
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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Abstract
The present invention relates to abrasive art, especially a kind of Brown Alundum, matched production Preparation equipment and preparation method.One kind processing method at low cost is intended to provide to manufacture the high Brown Alundum of intensity.Production stage of the invention is as follows: including 0.01%~6.1% silica, 2.5%~4% titanium dioxide and 90%~97% alumina powder.Producing Preparation equipment includes feed device, is sequentially installed with proportioner, agitating device, doffer and smelting apparatus along feed device.Agitating device includes blender, and exhaust pipe is set in the paddle in blender, and the outlet end of exhaust pipe is on paddle to form aeration opening, and the arrival end of exhaust pipe is connected to gas source via connecting tube, and blender is equipped with anti-loss baffle.Advantage is: finished product impurity is few, and raw material type is few, and convenient for stock, hardly iron content in raw material can improve the stability of product, tinctorial property, finished product is corrosion-resistant, and oxidation resistance is strong to avoid the addition of coal or carbon coke in process.
Description
Technical field
The present invention relates to abrasive art, especially a kind of Brown Alundum, production Preparation equipment and preparation method.
Background technique
Brown Alundum is mixed and is added in electric arc furnaces by high temperature with three kinds of bauxite chamotte, carbon materials and iron filings raw materials
The sepia frit for cooling down and crystallizing into after fusing and impurity reduction.Brown Alundum smelting belongs to ore-smelting electric furnace smelting process, mainly has
Three kinds of smelting modes: stationary furnace clinker method, dumping furnace smelting and stream mode smelting, it is big due to banishing smelting scale of investment,
China mainly uses stationary furnace clinker method and two kinds of dumping furnace smelting at present.
It is found in technical staff's long-time practical work, the shortcomings that technology at this stage is: 1. impurity contents are big, production
It is big to the influence of environment in the process, it is seriously polluted；2. fusion process is at high cost, product quality is poor；3. being oriented in current policies
Under, main material bauxite has been prohibited from using in former technology, and the numerous technical staff of substitution method are also in groping；4. existing
Stage ingredient is all mixed using simple agitation after artificial or semi-automatic weighing, is mixed and is not thorough, causes final product quality poor.
Summary of the invention
High the object of the invention is in order to solve the problems in the prior art, provide a kind of quality, environmental pollution is small
Brown Alundum, production Preparation equipment and preparation method.
Concrete scheme of the invention is:
Designing a kind of Brown Alundum, formula includes 0.01%~6.1% silica, 2.5%~4% titanium dioxide and 90%~
97% alumina powder.
In specific implementation, 0. 1%~7% chromium oxide can also be also added in the Brown Alundum, to change its surface
Color.
A kind of production equipment for processing above-mentioned Brown Alundum, including feed device, are sequentially installed with along the feed device
Proportioner, agitating device, doffer and smelting apparatus；
The feed device includes conveyer belt, and the transmission belt surface is equipped with fish scale-shaped bearing plate, between the fish scale-shaped bearing plate
It crimps direction and material displacement is contrary to prevent gap material stock,
The proportioner includes at least three batch bin, and the entrance of the batch bin is equipped with disintegrating mechanism, the batch bin
Outlet is equipped with valve, and weighing measurement mechanism is equipped in the batch bin,
The agitating device includes blender, and exhaust pipe is set in the paddle in blender, and the outlet end of the exhaust pipe is in
To form aeration opening on paddle, the arrival end of the exhaust pipe is connected to gas source via connecting tube, and the blender is equipped with anti-
Loss baffle is equipped with steering knuckle between connecting tube and exhaust pipe.
The doffer includes the charging conduit of inclination installation, and one end of the charging conduit is in below the conveyer belt,
The other end is connected with the feeding inlet of the smelting apparatus,
The smelting apparatus includes dumping furnace, and the dumping furnace is equipped with escape pipe, and the bottom of the escape pipe is equipped with sealing valve
Door, while the sealing strip of enhancing air-tightness being installed on the inner wall of the smelting apparatus, heart circle in pole is mounted in the dumping furnace,
Feeding pipe is equipped with above the dumping furnace, the other end of the feeding pipe is in the lower section of the doffer, the dumping furnace
It is equipped with temperature sense meter and time-controlling arrangement.
In specific implementation, VOC monitor control mechanism is installed in the escape pipe of the smelting apparatus.It is equipped in the connecting tube
Filtering, dehumidifying element.In parallel in the connecting tube to be equipped with branch, each branch road is separately installed with filtering, dehumidifying element and valve.Institute
The pole heart circle size range of smelting apparatus is stated between 1150~1850mm.
A kind of preparation method of Brown Alundum includes the following steps: to process above-mentioned Brown Alundum
(1) weighing stock；Storage granularity is in the following raw material of 400 mesh in each feed bin, is separately turned on the valve under each feed bin with will be former
Material is fallen on the conveyer belt of walking by class, and bin bottom is equipped with weighing measurement mechanism to monitor blanking amount, and blanking speed is less than 3
Ton/hour, material A is formed on a moving belt；
(2) stir: conveyer belt drives material A to fall into agitating device and is sufficiently stirred 30 minutes or more, forms uniformly mixed raw material
B；
(3) blanking: doffer transferring raw material B to smelting apparatus, blanking speed is less than 3 ton/hours；
(4) melting: smelting apparatus heats the raw material in dumping furnace, and the blanking time continues the heating temperature within 3 hours
2300 to 3000 degrees Celsius, heating time 12 to 20 hours from initial blanking.
Connecting pipe is connected to smelting apparatus and agitating device, to guide melting hot gas to agitating device to improve stirring efficiency simultaneously
Raw material is preheated.
The beneficial effects of the present invention are:
Finished product impurity is few, and raw material type is few, convenient for stock, hardly iron content in raw material, in process can to avoid coal or
The addition of carbon coke improves the stability of product, and tinctorial property, finished product is corrosion-resistant, and oxidation resistance is strong；
Heart circle in pole is compared with the prior art than size reduction, and production cost reduces, and electricity consumption also decreases；
It is reequiped on smelting furnace, forms a set of exhaust gas monitoring system, while improved seal performance, reduce the pollution to atmosphere；
Mixed stirring device is improved, the mixed effect of material is improved, further improves final product quality；
In processing technology, the improvement of ingredient having been fully considered, having devised a set of processing method for improvement ingredient, this method does not have
Have and disclosed by product before, the product property processed is stablized, at low cost；
Gas source is connected with the escape pipe, can be with effectively save thermal energy during long-time pan feeding, while hot wind stirs,
Reasonable temperature is formed, plays the role of preheating to material, while avoiding hot wind direct emission, effective use while also does
Multiple filtration is arrived.
Detailed description of the invention
Fig. 1 is the main view of structure of the invention；
Fig. 2 is the topology view of connecting tube connection status in the present invention；
Fig. 3 is the structural schematic diagram of fish scale-shaped bearing plate；
The names of the parts in figure: 1. batch bins；2. valve；3. conveyer belt；4. weighing measurement mechanism；5. blender；6. electricity
Machine；7. paddle；8. connecting tube；9. dumping furnace；10. fish scale-shaped bearing plate；11. steering knuckle.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment 1
A kind of Brown Alundum, including 0.01%~6.1% silica, 2.5%~4% titanium dioxide and 90%~97% oxidation
Aluminium powder.Specifically in the present embodiment, including 1.5% silica, 2.5 titanium dioxide and 96% alumina powder.
A kind of production equipment for processing above-mentioned Brown Alundum, referring to Fig. 1 to Fig. 2, including feed device, along feed device according to
It is secondary that proportioner, agitating device, doffer and smelting apparatus are installed；
Feed device includes conveyer belt 3, and 3 surface of conveyer belt is equipped with fish scale-shaped bearing plate 10, the pressure between the fish scale-shaped bearing plate 10
It connects direction and material displacement is contrary to prevent gap material stock,
Proportioner includes at least three batch bin 1, and the entrance of batch bin 1 is equipped with disintegrating mechanism, the outlet installation of batch bin 1
There is valve 2, weighing measurement mechanism 4 be installed in batch bin 1,
Agitating device includes blender 5, and exhaust pipe is set in the paddle 7 in blender 5, and the outlet end of exhaust pipe is in paddle
To form aeration opening on 7, the arrival end of exhaust pipe is connected to gas source via connecting tube 8, and blender 5 is equipped with anti-loss baffle,
Doffer includes the charging conduit of inclination installation, and one end of charging conduit is in 3 lower section of conveyer belt, the other end and smelting apparatus
Feeding inlet be connected,
Smelting apparatus includes dumping furnace 9, and dumping furnace 9 is equipped with escape pipe, and the bottom of escape pipe is equipped with sealed valve 2, melts simultaneously
The sealing strip that enhancing air-tightness is equipped on the inner wall of device is refined, heart circle in pole is mounted in dumping furnace 9, is equipped with above dumping furnace 9
Feeding pipe, the other end of feeding pipe are in the lower section of doffer, and dumping furnace 9 is equipped with temperature sense meter and time control dress
It sets.
VOC monitor control mechanism is installed in the escape pipe of smelting apparatus.Gas station can be monitored in real time.
Filtering, dehumidifying element is installed in connecting tube 8.
In parallel in connecting tube 8 to be equipped with branch, each branch road is separately installed with filtering, dehumidifying element and valve 2.When a branch
When road is damaged or needs to maintain, the operation of another circuit can be controlled rapidly by valve 2, reduce debug time.
The pole heart circle size range of smelting apparatus is between 1150~1850mm.The size is far smaller than in the prior art
Size can satisfy production requirement while reducing electricity consumption.
A kind of preparation method of Brown Alundum includes the following steps: to above-mentioned Brown Alundum
(1) weighing stock；Storage granularity is in the following raw material of 400 mesh in each feed bin, is separately turned on the valve 2 under each feed bin with will be former
Material is fallen on the conveyer belt 3 of walking by class, and bin bottom is equipped with weighing measurement mechanism 4 to monitor blanking amount, blanking speed 2.5
Ton/hour, material A is formed on conveyer belt 3；
(2) stir: conveyer belt 3 drives material A to fall into agitating device and is sufficiently stirred 45 minutes, forms uniformly mixed raw material B；
(3) blanking: doffer transferring raw material B to smelting apparatus, 2.5 ton/hours of blanking speed；
(4) melting: smelting apparatus heats the raw material in dumping furnace 9, and the blanking time continued within 3 hours, heating temperature
2300 to 3000 degrees Celsius of degree, heating time 20 hours from initial blanking.
After the completion of process, cooling 2 as a child, material molding.In the present embodiment, it can be connected to connecting tube 8 molten
Device and agitating device are refined, to guide melting hot gas to agitating device to improve stirring efficiency and preheat to raw material.The design
The energy is saved, while the injection of heat gas can make to be stirred more uniformly, further filtering, dehumidifying element can go out
The intracorporal large granular impurity of degassing and moisture.
Steering knuckle 11 is equipped between connecting tube 8 and exhaust pipe, the design of steering knuckle 11 ensure that 8 activity of connecting tube both
Excessive torque will not be freely undertaken again.
In the present invention, raw material does not have to individually crush, and saves worker's cost, the broken cost of the broken machine in Hubei Province, single production line
100,000 yuan or more are saved through statistics, saves 500 yuan of worker's costs daily, meanwhile, raw materials for production are few, reduce sorting cost.
Meanwhile exhausted air quantity significantly reduces.In former technology, unit exhausted air quantity includes sulfur dioxide 4.2mg/m3, NOXContain
Measure 7.5mg/m3
Existing unit exhausted air quantity includes sulfur dioxide 0.14mg/m3, NOXContent 0.07mg/m3。
Embodiment 2, also added 0. 1%~7% chromium oxide in Brown Alundum, in the present embodiment, including 3% titanium dioxide
Silicon, 3% titanium dioxide, 3% chromium oxide and 91% alumina powder.1600 degree one ton of a full set of production process institute electricity demand is remote low
In previous 4200 degree one ton of electricity consumption.
Finally, it should be noted that these are only the preferred embodiment of the present invention, it is not intended to restrict the invention, although
Present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (9)
1. a kind of Brown Alundum, it is characterised in that: formula include 0.01%~6.1% silica, 2.5%~4% titanium dioxide,
With 90%~97% alumina powder.
2. Brown Alundum as described in claim 1, it is characterised in that: also added 0. 1%~7% oxidation in the Brown Alundum
Chromium.
3. a kind of production equipment of Brown Alundum described in claim, it is characterised in that: including feed device, filled along the feeding
It sets and is sequentially installed with proportioner, agitating device, doffer and smelting apparatus；
The feed device includes conveyer belt (3), and conveyer belt (3) surface is equipped with fish scale-shaped bearing plate (10), the fish scale-shaped
Crimping direction between bearing plate (10) and material displacement are contrary to prevent gap material stock,
The proportioner includes at least three batch bin (1), and the entrance of the batch bin (1) is equipped with disintegrating mechanism, described to match
The outlet of feed bin (1) is equipped with valve (2), is equipped with weighing measurement mechanism (4) in the batch bin (1),
The agitating device includes blender (5), and exhaust pipe is set in the paddle (7) in blender (5), and the exhaust pipe goes out
Mouth end is on paddle (7) to form aeration opening, and the arrival end of the exhaust pipe is connected to gas source via connecting tube (8), described
Blender (5) is equipped with anti-loss baffle, is equipped with steering knuckle (11) between connecting tube (8) and exhaust pipe,
The doffer includes the charging conduit of inclination installation, and one end of the charging conduit is in below the conveyer belt (3), separately
One end is connected with the feeding inlet of the smelting apparatus,
The smelting apparatus includes dumping furnace (9), and the dumping furnace (9) is equipped with escape pipe, and the bottom of the escape pipe is equipped with
Sealed valve (2), while the sealing strip of enhancing air-tightness being installed on the inner wall of the smelting apparatus, heart circle in pole is mounted on described
In dumping furnace (9), feeding pipe is equipped with above the dumping furnace (9), the other end of the feeding pipe is in the doffer
Lower section, the dumping furnace (9) are equipped with temperature sense meter and time-controlling arrangement.
4. the production equipment of Brown Alundum as claimed in claim 3, it is characterised in that: installation in the escape pipe of the smelting apparatus
There is VOC monitor control mechanism.
5. the production equipment of Brown Alundum as claimed in claim 3, it is characterised in that: be equipped with filtering on the connecting tube (8)
Dehumidification element.
6. the production equipment of Brown Alundum as claimed in claim 5, it is characterised in that: in parallel on the connecting tube (8) to be equipped with branch
Road, each branch road are separately installed with filtering, dehumidifying element and valve (2).
7. the production equipment of Brown Alundum as claimed in claim 3, it is characterised in that: the pole heart circle size model of the smelting apparatus
It is trapped among between 1150~1850mm.
8. a kind of preparation method of Brown Alundum, to process Brown Alundum as described in claim 1, which is characterized in that packet
Include following steps:
Weighing stock；Storage granularity is in the following raw material of 400 mesh in each feed bin, is separately turned on the valve (2) under each feed bin with will be former
Material is fallen on the conveyer belt (3) of walking by class, and bin bottom is equipped with weighing measurement mechanism (4) to monitor blanking amount, blanking speed
Less than 3 ton/hours, material A is formed on conveyer belt (3)；
Stirring: conveyer belt (3) drives material A to fall into agitating device and is sufficiently stirred 30 minutes or more, forms uniformly mixed raw material
B；
Blanking: doffer transferring raw material B to smelting apparatus, blanking speed is less than 3 ton/hours；
Melting: smelting apparatus heats the raw material in dumping furnace (9), and the blanking time continues the heating temperature within 3 hours
2300 to 3000 degrees Celsius, heating time 12 to 20 hours from initial blanking.
9. preparation method as claimed in claim 8, it is characterised in that: setting connecting tube (8) road be connected to smelting apparatus and
Agitating device, to guide melting hot gas to agitating device to improve stirring efficiency and preheat to raw material.
Priority Applications (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110591643A (en) * | 2019-05-23 | 2019-12-20 | 禹州市金宇抛光材料有限公司 | Novel grinding material regenerated from brown corundum grinding material production tailings |
| CN114349486A (en) * | 2022-01-27 | 2022-04-15 | 登封市汇联磨料磨具有限公司 | Production method of brown corundum abrasive and sand-cutting equipment thereof |
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| CN103011214A (en) * | 2012-11-21 | 2013-04-03 | 贵州金义磨料有限公司 | Novel production technology of high-purity brown aluminum oxide |
| CN106915757A (en) * | 2015-12-25 | 2017-07-04 | 新郑市宝德高技术有限公司 | A kind of Brown Alundum super fine purifying technique |
| CN107285353A (en) * | 2017-07-25 | 2017-10-24 | 贵州开阳三环磨料有限公司 | A kind of blue corundum and preparation method thereof |
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| US2579885A (en) * | 1948-12-04 | 1951-12-25 | Norton Co | Pouring arc furnace |
| CN1261093A (en) * | 1999-01-15 | 2000-07-26 | 李霞 | Grinding body of brown corundum and preparing process thereof |
| CN103011214A (en) * | 2012-11-21 | 2013-04-03 | 贵州金义磨料有限公司 | Novel production technology of high-purity brown aluminum oxide |
| CN106915757A (en) * | 2015-12-25 | 2017-07-04 | 新郑市宝德高技术有限公司 | A kind of Brown Alundum super fine purifying technique |
| CN107285353A (en) * | 2017-07-25 | 2017-10-24 | 贵州开阳三环磨料有限公司 | A kind of blue corundum and preparation method thereof |
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| CN110591643A (en) * | 2019-05-23 | 2019-12-20 | 禹州市金宇抛光材料有限公司 | Novel grinding material regenerated from brown corundum grinding material production tailings |
| CN114349486A (en) * | 2022-01-27 | 2022-04-15 | 登封市汇联磨料磨具有限公司 | Production method of brown corundum abrasive and sand-cutting equipment thereof |
| CN114349486B (en) * | 2022-01-27 | 2022-10-11 | 登封市汇联磨料磨具有限公司 | Production method of brown corundum abrasive and sand-cutting equipment thereof |
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| CN109251016B (en) | 2021-05-04 |
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