CN204508828U - A kind of fluidizing type producing Alpha-alumina stops conversion system - Google Patents
A kind of fluidizing type producing Alpha-alumina stops conversion system Download PDFInfo
- Publication number
- CN204508828U CN204508828U CN201520193520.9U CN201520193520U CN204508828U CN 204508828 U CN204508828 U CN 204508828U CN 201520193520 U CN201520193520 U CN 201520193520U CN 204508828 U CN204508828 U CN 204508828U
- Authority
- CN
- China
- Prior art keywords
- communicated
- top cover
- cylindrical shell
- distribution plate
- conversion system
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The utility model belongs to metallurgical technology field, is specifically related to a kind of fluidizing type producing Alpha-alumina and stops conversion system, comprise a cylindrical shell, cylindrical shell top is provided with top cover, and bottom is cone, and top cover is communicated with opening for feed, also be communicated with exhaust duct, exhaust duct internal orifice is communicated with relief valve spool; Cylindrical shell bottom cone inwall and air distribution plate are welded as a whole, and offer discharge port in the middle part of air distribution plate, and discharge port is communicated with material level valve opening for feed, ventilation terminal is arranged on air distribution plate, top enters into inner barrel through cone inside, and bottom is communicated with air chamber, is communicated with bottom air chamber with blast pipe.Adopt the utility model to decrease production link, energy-conservation 60-80% compared with rotary kiln, adopt fluidization technology process pulverulent material, good product quality.
Description
Technical field
The utility model belongs to metallurgical technology field, is specifically related to a kind of fluidizing type producing Alpha-alumina and stops conversion system.
Background technology
High temperature alumina, also claims Alpha-alumina, and its crystal formation is α type.In recent years, along with the fast development of new high-tech industry, the application of Alpha-alumina is also expanded rapidly.The stupalith such as automobile spark plug, electronic substrates ceramic raw material is used as with regard to its performance such as high-temp and high-strength, excellent electrical insulating property; With regard to features such as its good thermostability, high rigidity, wear resistancies for grinding, the raw material of wear-resisting mechanical component; Resistance to material, mould material etc. are used as with regard to characteristics such as its high-melting-point (2053 DEG C), unreactiveness are strong.Summary is got up, and Alpha-alumina is a kind of of many uses, and the ceramic of excellent performance, price economy, is widely used in the fields such as refractory materials, electric power, chemical industry, pottery, abrasive material, space flight, medical science.
What the production of current Alpha-alumina adopted is rotary kiln device, and rotary kiln device produces Alpha-alumina following shortcoming or deficiency:
Raw material adopts aluminum oxide instead of aluminium hydroxide, poor product quality, and energy consumption is high, and equipment is many, long flow path, and maintenance cost is large, and separate unit production capacity is little, construction cost and running cost high.
Utility model content
For overcoming prior art Problems existing, the utility model provides a kind of fluidizing type producing Alpha-alumina to stop conversion system, and object improves the unit production capacity of producing Alpha-alumina device, improves Alpha-alumina quality product.
The fluidizing type of Alpha-alumina of the present utility model stops conversion system and comprises a cylindrical shell, and the top of cylindrical shell is provided with top cover, and bottom is cone; Described top cover is communicated with opening for feed, is also provided with perforate above top cover, is communicated with transition body by perforate, and transition body is communicated with exhaust duct, and exhaust duct internal orifice is communicated with relief valve spool; Described cylindrical shell bottom cone inwall and air distribution plate are welded as a whole, discharge port is offered in the middle part of air distribution plate, discharge port is communicated with material level valve opening for feed, described air distribution plate is furnished with open holes, ventilation terminal internal orifice is communicated with air distribution plate open holes, is arranged on air distribution plate by briquetting, and ventilation terminal top enters into inner barrel through cone inside, bottom is communicated with air chamber, is communicated with bottom air chamber with blast pipe.
Described opening for feed, top cover, cylindrical shell, cone, air distribution plate, discharge port, transition body, exhaust duct and relief valve inwall are provided with liner, and opening for feed, top cover, cylindrical shell, cone, discharge port, transition body are communicated with exhaust duct liner endoporus; Described liner is one or more layers, is lagging material or refractory materials.
Described top cover is flat-top or vault.
Described transition body is the cone be communicated with top cover.
Described blast pipe is one or more, is evenly arranged in bottom air chamber.
Described ventilation terminal is blast cap or wind-distributing pipe.
Described material level valve is loop seal or motorized valve.
Adopt the fluidizing type of above-mentioned Alpha-alumina stop conversion system to carry out the method transformed, carry out according to following steps:
Be that the metallurgical aluminum oxide of 1300 ~ 1500 DEG C sends into cylindrical shell by opening for feed by top cover by temperature, fluidized wind enters air chamber by blast pipe, and evenly enter in cylindrical shell via ventilation terminal material bed, make material be in fluidized state, fluidized wind is finally discharged by exhaust duct;
The residence time of material in cylindrical shell is ensured by controlling material level valve, complete aluminum oxide transformation of crystal, and alkaline impurities and mineralizer are reacted enter gas phase removal, material residence time in cylindrical shell is 20 ~ 60min, Alpha-alumina transformation efficiency is 60 ~ 98%, the Alpha-alumina completing crystal conversion constantly enters material level valve from discharge port, is discharged, obtain the Alpha-alumina meeting industry standard by material level valve discharge gate.
Described fluidized wind is pressurized air.
Compared with prior art, feature of the present utility model and beneficial effect are:
Fluidizing type of the present utility model stops conversion system can be converted into Alpha-alumina transformation efficiency difference according to metallurgical-grade aluminum oxide, controls material level valve, and then controls the residence time of metallurgical-grade aluminum oxide in device;
Fluidizing type of the present utility model stops conversion system, and fluidized wind enters air chamber by blast pipe, and via material bed in the even access to plant of bottom ventilation terminal, make material be in fluidized state, ensure that the homogeneity of material crystal conversion, fluidized wind is discharged by exhaust duct;
Fluidizing type of the present utility model stops conversion system and adjusts exhaust duct open area by relief valve, the pressure-stabilisation in holdout device, assurance device charging, discharge stable with continuously.
Fluidizing type of the present utility model stops conversion system compact construction, separate unit production capacity is high, can save construction investment 45-60%;
Fluidizing type of the present utility model stops method for transformation and decreases production link, energy-conservation 60-80% compared with rotary kiln, and organization of production is flexibly more convenient;
The utility model method adopts fluidization technology process pulverulent material, good product quality;
The utility model level of automation is high, operation factor is high, labour intensity reduces greatly, long service life, and maintenance difficulty is low.
Accompanying drawing explanation
Fig. 1 is that the fluidizing type of production Alpha-alumina of the present utility model stops conversion system structural representation;
Wherein: 1: opening for feed; 2: top cover; 3: cylindrical shell; 4: cone; 5: ventilation terminal; 6: air distribution plate; 7: air chamber; 8: blast pipe; 9: discharge port; 10: transition body; 11: exhaust duct; 12: relief valve; 13: briquetting; 14: material level valve.
Embodiment
The fluidizing type of production Alpha-alumina of the present utility model stops conversion system structural representation as shown in Figure 1,
Device in Fig. 1 comprises a cylindrical shell 3, and the top of cylindrical shell 3 is provided with top cover 2, and bottom is cone 4; Described top cover 2 is communicated with opening for feed 1, is also provided with perforate above top cover 2, is communicated with transition body 10 by perforate, and transition body 10 is communicated with exhaust duct 11, and exhaust duct 11 internal orifice is communicated with relief valve 12 spool; Described cylindrical shell 3 bottom cone 4 inwall and air distribution plate 6 are welded as a whole, discharge port 9 is offered in the middle part of air distribution plate 6, discharge port 9 is communicated with material level valve 14 opening for feed, described air distribution plate 6 is furnished with open holes, ventilation terminal 5 internal orifice is communicated with air distribution plate 6 open holes, is arranged on air distribution plate 6 by briquetting 13, and it is inner that ventilation terminal 5 top enters into cylindrical shell 3 through cone 4 inside, bottom is communicated with air chamber 7, is communicated with bottom air chamber 7 with blast pipe 8.
Described opening for feed 1, top cover 2, cylindrical shell 3, cone 4, air distribution plate 6, discharge port 9, transition body 10, exhaust duct 11 and relief valve 12 inwall are provided with liner, and opening for feed 1, top cover 2, cylindrical shell 3, cone 4, discharge port 9, transition body 10 are communicated with exhaust duct 11 liner endoporus; Described liner is one or more layers, is lagging material or refractory materials.
Described top cover 2 is flat-top or vault.
Described blast pipe 8 is one or more, is evenly arranged in bottom air chamber.
Described ventilation terminal 5 is blast cap or wind-distributing pipe.
Described material level valve 14 is loop seal or motorized valve.
Described transition body 10 is the cone be communicated with top cover 2.
The method adopting said apparatus to carry out Alpha-alumina conversion is carried out according to following steps:
Be that the metallurgical aluminum oxide of 1300 ~ 1500 DEG C sends into cylindrical shell 3 by opening for feed 1 by top cover 2 by temperature, fluidized wind enters air chamber 7 by blast pipe 8, evenly enter in cylindrical shell 3 via ventilation terminal 5 material bed, make material be in fluidized state, fluidized wind is finally discharged by exhaust duct 11;
The residence time of material in cylindrical shell 3 is ensured by controlling material level valve 14, complete aluminum oxide transformation of crystal, and alkaline impurities and mineralizer are reacted enter gas phase removal, material residence time in cylindrical shell 3 is 20 ~ 60min, Alpha-alumina transformation efficiency is 60 ~ 98%, the Alpha-alumina completing crystal conversion constantly enters material level valve 14 from discharge port 9, is discharged, obtain the Alpha-alumina meeting industry standard by material level valve 14 discharge gate.
Claims (7)
1. the fluidizing type producing Alpha-alumina stops a conversion system, and it is characterized in that comprising a cylindrical shell, the top of cylindrical shell is provided with top cover, and bottom is cone; Described top cover is communicated with opening for feed, is also provided with perforate above top cover, is communicated with transition body by perforate, and transition body is communicated with exhaust duct, and exhaust duct internal orifice is communicated with relief valve spool; Described cylindrical shell bottom cone inwall and air distribution plate are welded as a whole, discharge port is offered in the middle part of air distribution plate, discharge port is communicated with material level valve opening for feed, described air distribution plate is furnished with open holes, ventilation terminal internal orifice is communicated with air distribution plate open holes, is arranged on air distribution plate by briquetting, and ventilation terminal top enters into inner barrel through cone inside, bottom is communicated with air chamber, is communicated with bottom air chamber with blast pipe.
2. a kind of fluidizing type producing Alpha-alumina according to claim 1 stops conversion system, it is characterized in that described opening for feed, top cover, cylindrical shell, cone, air distribution plate, discharge port, transition body, exhaust duct and relief valve inwall are provided with liner, opening for feed, top cover, cylindrical shell, cone, discharge port, transition body are communicated with exhaust duct liner endoporus; Described liner is one or more layers, is lagging material or refractory materials.
3. a kind of fluidizing type producing Alpha-alumina according to claim 1 stops conversion system, it is characterized in that described top cover is flat-top or vault.
4. a kind of fluidizing type producing Alpha-alumina according to claim 1 stops conversion system, it is characterized in that described blast pipe is for one or more, is evenly arranged in bottom air chamber.
5. a kind of fluidizing type producing Alpha-alumina according to claim 1 stops conversion system, it is characterized in that described ventilation terminal is blast cap or wind-distributing pipe.
6. a kind of fluidizing type producing Alpha-alumina according to claim 1 stops conversion system, it is characterized in that described material level valve is loop seal or motorized valve.
7. a kind of fluidizing type producing Alpha-alumina according to claim 1 stops conversion system, it is characterized in that described transition body is the cone be communicated with top cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193520.9U CN204508828U (en) | 2015-03-31 | 2015-03-31 | A kind of fluidizing type producing Alpha-alumina stops conversion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193520.9U CN204508828U (en) | 2015-03-31 | 2015-03-31 | A kind of fluidizing type producing Alpha-alumina stops conversion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204508828U true CN204508828U (en) | 2015-07-29 |
Family
ID=53706822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520193520.9U Withdrawn - After Issue CN204508828U (en) | 2015-03-31 | 2015-03-31 | A kind of fluidizing type producing Alpha-alumina stops conversion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204508828U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104692432A (en) * | 2015-03-31 | 2015-06-10 | 沈阳鑫博工业技术股份有限公司 | Fluidization type stay reforming device and method for producing alpha-aluminum oxide |
| CN113776335A (en) * | 2021-11-12 | 2021-12-10 | 沈阳鑫博工业技术股份有限公司 | Phase change furnace for preparing high-temperature alumina powder and use method |
-
2015
- 2015-03-31 CN CN201520193520.9U patent/CN204508828U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104692432A (en) * | 2015-03-31 | 2015-06-10 | 沈阳鑫博工业技术股份有限公司 | Fluidization type stay reforming device and method for producing alpha-aluminum oxide |
| CN104692432B (en) * | 2015-03-31 | 2016-02-10 | 沈阳鑫博工业技术股份有限公司 | A kind of fluidizing type producing Alpha-alumina stops conversion system and method for transformation |
| CN113776335A (en) * | 2021-11-12 | 2021-12-10 | 沈阳鑫博工业技术股份有限公司 | Phase change furnace for preparing high-temperature alumina powder and use method |
| CN113776335B (en) * | 2021-11-12 | 2022-06-07 | 沈阳鑫博工业技术股份有限公司 | Phase change furnace for preparing high-temperature alumina powder and use method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104692432B (en) | A kind of fluidizing type producing Alpha-alumina stops conversion system and method for transformation | |
| CN101979940B (en) | Spray drying tower for preparing powder | |
| CN204508828U (en) | A kind of fluidizing type producing Alpha-alumina stops conversion system | |
| CN110444756A (en) | The anode material for lithium-ion batteries and preparation method that are prepared with pyroreaction device and application | |
| CN110864545A (en) | Positive electrode material sintering device and sintering method | |
| CN103643199A (en) | Pressure nitrogenization furnace | |
| CN204281343U (en) | Light ash products cooling system | |
| CN207006824U (en) | A kind of dynamic calcining equipment of powder body material | |
| CN206680187U (en) | Efficient sealed continuous graphitizing furnace | |
| CN202358934U (en) | Reaction device of lithium battery anode or cathode material | |
| CN211503652U (en) | Positive electrode material sintering device | |
| CN205061585U (en) | A reaction unit for black talc pyrolysis reacts usefulness | |
| CN202590778U (en) | Microwave high-temperature continuous oxidization and reduction device | |
| CN202744338U (en) | Horizontal electrode carbon material electric calcinator | |
| CN206019373U (en) | A kind of solid material cooling device | |
| CN202207797U (en) | Novel heating structure for dewaxing furnace | |
| CN204958426U (en) | Nanometer titanium dioxide apparatus for producing | |
| CN102201569B (en) | Drying method and equipment of lithium manganese oxide precursor for anode material of lithium ion battery | |
| CN213147373U (en) | Pressure-equalizing and temperature-equalizing bin based on rotary kiln air inlet | |
| CN106076236B (en) | A kind of horizontal cooling reactor | |
| CN220835891U (en) | Samarium cobalt permanent magnet material hydrogenation ball-milling device | |
| CN2900494Y (en) | Energy saving type device for continuously producing CO3O4 by cobalt oxalate | |
| CN202352770U (en) | Production equipment of cathode or anode material of lithium battery | |
| CN110204342A (en) | The preparation method of decanter type self- propagating aluminium nitride | |
| CN214782068U (en) | Temperature and pressure controllable intelligent nanocrystalline alloy precision melting equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150729 Effective date of abandoning: 20160210 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |