CN103754872B - A kind of calcium carbide powder dry method granulation processes - Google Patents
A kind of calcium carbide powder dry method granulation processes Download PDFInfo
- Publication number
- CN103754872B CN103754872B CN201310691596.XA CN201310691596A CN103754872B CN 103754872 B CN103754872 B CN 103754872B CN 201310691596 A CN201310691596 A CN 201310691596A CN 103754872 B CN103754872 B CN 103754872B
- Authority
- CN
- China
- Prior art keywords
- calcium carbide
- particle diameter
- dry method
- carbide powder
- granulation processes
- 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 - Fee Related
Links
Abstract
The invention discloses a kind of calcium carbide powder dry method granulation processes, comprise following processing step: broken calcium carbide, once sieve, once reinforced, secondary extrusion feed, roll-in, granulation and regrading.The invention provides a kind of calcium carbide powder dry method granulation processes, this technique is simple, the calcium carbide powder produced in calcium carbide shattering process can be become the calcium carbide particle that can reuse, reach the requirement of steel mill's deoxidation in steel making, thus turn waste into wealth, energy-conserving and environment-protective, and the dust pollution that produces in the broken production process of calcium carbide can also be reduced.
Description
Technical field
The present invention relates to calcium carbide powder granulation process, particularly relate to a kind of calcium carbide powder dry method granulation processes.
Background technology
What each large steelworks steel-making was used is deoxidation calcium carbide, before production is begun, crusher must be first adopted deoxidation calcium carbide to be broken into the calcium carbide particle of specified particle diameter, but in calcium carbide shattering process and production process, all can produce a large amount of calcium carbide powder, these calcium carbide powder account for 15% of all calcium carbide Material Costs, but these calcium carbide powder can not continue to use again, and these calcium carbide powder generally cancel and expect process by steelworks, result in a large amount of wastings of resources, and also pollute environment.
Summary of the invention
The technical problem to be solved in the present invention is, for above-mentioned defect of the prior art, provide a kind of technique simple, the calcium carbide powder produced in calcium carbide shattering process can be become can reuse calcium carbide particle, turn waste into wealth, energy-conserving and environment-protective, reduction dust pollution calcium carbide powder dry method granulation processes.
The technical solution adopted for the present invention to solve the technical problems is: a kind of calcium carbide powder dry method granulation processes, comprises following processing step:
(1) broken calcium carbide: utilize crusher that calcium carbide is broken, and obtain material;
(2) once sieve: the material that step (1) obtains is sieved, the first kind material of specified particle diameter is directly packed warehouse-in, the Equations of The Second Kind material being greater than specified particle diameter is turned back in step (1), and collect the material powders being less than specified particle diameter;
(3) once feed in raw material: the material powders that screening in step (2) obtains is delivered to pressurization storehouse and pressurizes;
(4) secondary extrusion feed: after step (3), continues forced conveyance material powders in pressurization storehouse, to be squeezed out by the material powders of pressurization storehouse compression in step (3);
(5) roll-in: utilize roll squeezer to carry out roll-in to the material powders squeezed out in step (4), and obtain strip material;
(6) granulation: the strip material obtained by step (5) is flowed to tablets press, and by tablets press, fragmentation and whole grain are carried out to strip material, and obtain material particles;
(7) regrading: the material particles obtained by step (6) is sieved, and the material particles of specified particle diameter is directly packed warehouse-in, material particles particle diameter being greater than specified particle diameter turns back in step (1), and material particles particle diameter being less than specified particle diameter turns back in step (3).
Improve as to the one of technical scheme of the present invention, the value of specified particle diameter is 3-22mm, and the particle diameter of described Equations of The Second Kind material is greater than 22mm, and the particle diameter of described material powders is 0-3mm.
Improve as to the one of technical scheme of the present invention, in step (2), utilize dust collection collection material powder.
Improve as to the one of technical scheme of the present invention, in step (3), utilize powder conveyer and be delivered in pressurization storehouse through lift.
Improve as to the one of technical scheme of the present invention, in step (3), utilize pressurizer to pressurize to the material powders in pressurization storehouse, and pressure is 0.5MPa.
In above-mentioned steps (1), crusher is jaw crusher, in addition, in the shattering process of calcium carbide, has also used twin rollers, lift, rotary conveyor and sieve apparatus.
In above-mentioned steps (2), calcium carbide material after step (1) fragmentation is sieved, the first kind material of satisfactory specified particle diameter is directly packed warehouse-in, the Equations of The Second Kind material being greater than specified particle diameter is turned back in step (1) and carries out fragmentation, and utilize dust collection to collect the material powders being less than specified particle diameter, to carry out next step operation.In addition, in technical scheme of the present invention, the value of specified particle diameter is 3-22mm, and the particle diameter of Equations of The Second Kind material is greater than 22mm, and the particle diameter of material powders is 0-3mm, and certainly, the numerical value of specified particle diameter also can be determined according to the concrete condition of production.
In above-mentioned steps (3), utilize powder conveyer and be delivered in pressurization storehouse through lift and compress, meanwhile, pressurizer is utilized to pressurize to the material powders in pressurization storehouse, institute's plus-pressure is 0.5MPa, such design can avoid material powders from pressurization storehouse internal leakage process, thus decreases the pollution to environment.
After once feeding in raw material, as above-mentioned steps (4), utilize compulsory feeder to continue convey materials powder in pressurization storehouse, to be squeezed out by the material powders compressed in pressurization storehouse, and the rotating speed of this forced feeding device is 800-1000 rev/min.
In above-mentioned steps (5), utilize roll squeezer to carry out roll-in to the material powders squeezed out in step (4), obtain strip material, and the rotating speed of this roll squeezer is 800-1000 rev/min.
In above-mentioned steps (6), the strip material obtained by step (5) is delivered to tablets press, by tablets press, fragmentation and whole grain is again carried out to strip material, and obtain material particles.
When after acquisition material particles, in above-mentioned steps (7), long 250cm × wide 100cm × high 20cm vibrating screen classifier is adopted to sieve material particles, the material particles of particle diameter within the scope of 3-22mm is directly packed warehouse-in, material particles particle diameter being greater than 22mm turns back in step (1) and carries out fragmentation again, material particles particle diameter being less than 3mm turns back in step (3) and pressurizes, thus forms calcium carbide powder non-slurry pelletizing circulation.
In sum, calcium carbide powder dry method granulation processes of the present invention is simple, the calcium carbide powder produced can be become the calcium carbide particle that can reuse, turn waste into wealth in calcium carbide shattering process, energy-conserving and environment-protective, and the dust pollution that produces in the broken production process of calcium carbide can also be reduced.
In addition, in technical scheme of the present invention, to be allly not specifically noted, all by adopting the conventional means in this area to realize the technical program.
Therefore, the invention provides a kind of calcium carbide powder dry method granulation processes, this technique is simple, the calcium carbide powder produced in calcium carbide shattering process can be become the calcium carbide particle that can reuse, reach the requirement of steel mill's deoxidation in steel making, thus turn waste into wealth, energy-conserving and environment-protective, and the dust pollution that produces in the broken production process of calcium carbide can also be reduced.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the schema of calcium carbide powder dry method granulation processes of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In present pre-ferred embodiments, a kind of calcium carbide powder dry method granulation processes, as shown in Figure 1, comprises following processing step:
(1) broken calcium carbide: utilize jaw crusher that calcium carbide is broken, and obtain material;
(2) once sieve: the material that step (1) obtains is sieved, the first kind material of particle diameter within the scope of 3-22mm is directly packed warehouse-in, the Equations of The Second Kind material being greater than 22mm is turned back in step (1) and carry out fragmentation again, and adopt dust collection collection cut size to be less than the material powders of 3mm;
(3) once feed in raw material: utilize powder conveyer and be delivered in pressurization storehouse through lift pressurize sieving the material powders obtained in step (2), meanwhile, utilize pressurizer to pressurize to the material powders in pressurization storehouse, and pressure being 0.5MPa;
(4) secondary extrusion feed: after step (3), utilizes compulsory feeder to continue forced conveyance material powders in pressurization storehouse, to be squeezed out by the material powders of pressurization storehouse compression in step (3); The rotating speed of this compulsory feeder is 800-1000 rev/min;
(5) roll-in: utilize roll squeezer to carry out roll-in to the material powders squeezed out in step (4), and obtain strip material, wherein, the rotating speed of roll squeezer is 800-1000 rev/min;
(6) granulation: the strip material obtained by step (5) is flowed to tablets press, and by tablets press, fragmentation and whole grain are carried out to described strip material, and obtain material particles;
(7) regrading: utilize long 250 cm × wide 100cm × high 20cm vibrating screen classifier to sieve the material particles obtained by step (6), the material particles of particle diameter within the scope of 3-22mm is directly packed warehouse-in, material particles particle diameter being greater than 22mm turns back in step (1) and carries out again broken, and material particles particle diameter being less than 3mm turns back in step (3) and again compresses.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (5)
1. a calcium carbide powder dry method granulation processes, is characterized in that, comprises following processing step:
(1) broken calcium carbide: utilize crusher that calcium carbide is broken, and obtain material;
(2) once sieve: the material that step (1) obtains is sieved, the first kind material of specified particle diameter is directly packed warehouse-in, the Equations of The Second Kind material being greater than specified particle diameter is turned back in step (1), and collect the material powders being less than specified particle diameter;
(3) once feed in raw material: the material powders that screening in step (2) obtains is delivered to pressurization storehouse and pressurizes;
(4) secondary extrusion feed: after step (3), continues forced conveyance material powders in described pressurization storehouse, to be squeezed out by the material powders of pressurization storehouse compression in step (3);
(5) roll-in: utilize roll squeezer to carry out roll-in to the material powders squeezed out in step (4), and obtain strip material;
(6) granulation: the strip material obtained by step (5) is flowed to tablets press, and by tablets press, fragmentation and whole grain are carried out to described strip material, and obtain material particles;
(7) regrading: the described material particles obtained by step (6) is sieved, and the material particles of specified particle diameter is directly packed warehouse-in, material particles particle diameter being greater than specified particle diameter turns back in step (1), and material particles particle diameter being less than specified particle diameter turns back in step (3).
2. calcium carbide powder dry method granulation processes according to claim 1, is characterized in that, the value of described specified particle diameter is 3-22mm, and the particle diameter of described Equations of The Second Kind material is greater than 22mm, and the particle diameter of described material powders is 0-3mm.
3. calcium carbide powder dry method granulation processes according to claim 1, is characterized in that, in step (2), utilizes dust collection collection material powder.
4. calcium carbide powder dry method granulation processes according to claim 1, is characterized in that, in step (3), utilizes powder conveyer and is delivered in pressurization storehouse through lift.
5. calcium carbide powder dry method granulation processes according to claim 1, is characterized in that, in step (3), utilize pressurizer to pressurize to the material powders in described pressurization storehouse, and pressure is 0.5MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310691596.XA CN103754872B (en) | 2013-12-17 | 2013-12-17 | A kind of calcium carbide powder dry method granulation processes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310691596.XA CN103754872B (en) | 2013-12-17 | 2013-12-17 | A kind of calcium carbide powder dry method granulation processes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103754872A CN103754872A (en) | 2014-04-30 |
| CN103754872B true CN103754872B (en) | 2015-09-23 |
Family
ID=50522241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310691596.XA Expired - Fee Related CN103754872B (en) | 2013-12-17 | 2013-12-17 | A kind of calcium carbide powder dry method granulation processes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103754872B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107927883A (en) * | 2018-01-05 | 2018-04-20 | 长沙兴嘉生物工程股份有限公司 | A kind of preparation method and preparation facilities of micronutrient supplement particle |
| CN112209652A (en) * | 2020-10-10 | 2021-01-12 | 泉州晟麟石粉综合利用有限公司 | Efficient recycling and granulating process for stone powder |
| CN112169705A (en) * | 2020-10-10 | 2021-01-05 | 泉州晟麟石粉综合利用有限公司 | Environment-friendly processing technology for stone powder granulation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU7746681A (en) * | 1981-11-13 | 1983-05-19 | National Research And Development | Preparing a calcium carbide product |
| CN1314092A (en) * | 2000-03-21 | 2001-09-26 | 四川绵竹龙蟒矿物质饲料集团有限责任公司 | Method and equipment for producing granular fodder calcium hydrophosphate |
| CN201519657U (en) * | 2008-09-18 | 2010-07-07 | 天津大沽化工股份有限公司 | Calcium carbide and ash content separating device |
| CN202403539U (en) * | 2011-12-08 | 2012-08-29 | 青海宜化化工有限责任公司 | Raw material conveying system of calcium carbide furnace |
| WO2013027426A1 (en) * | 2011-08-25 | 2013-02-28 | 電気化学工業株式会社 | Calcium carbide granules, process for producing calcium carbide granules, and system for producing calcium carbide granules |
| CN203253505U (en) * | 2013-05-20 | 2013-10-30 | 安徽华塑股份有限公司 | High-efficiency environmentally-friendly fine and broken calcium carbide preparation system |
-
2013
- 2013-12-17 CN CN201310691596.XA patent/CN103754872B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU7746681A (en) * | 1981-11-13 | 1983-05-19 | National Research And Development | Preparing a calcium carbide product |
| CN1314092A (en) * | 2000-03-21 | 2001-09-26 | 四川绵竹龙蟒矿物质饲料集团有限责任公司 | Method and equipment for producing granular fodder calcium hydrophosphate |
| CN201519657U (en) * | 2008-09-18 | 2010-07-07 | 天津大沽化工股份有限公司 | Calcium carbide and ash content separating device |
| WO2013027426A1 (en) * | 2011-08-25 | 2013-02-28 | 電気化学工業株式会社 | Calcium carbide granules, process for producing calcium carbide granules, and system for producing calcium carbide granules |
| CN202403539U (en) * | 2011-12-08 | 2012-08-29 | 青海宜化化工有限责任公司 | Raw material conveying system of calcium carbide furnace |
| CN203253505U (en) * | 2013-05-20 | 2013-10-30 | 安徽华塑股份有限公司 | High-efficiency environmentally-friendly fine and broken calcium carbide preparation system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103754872A (en) | 2014-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103754872B (en) | A kind of calcium carbide powder dry method granulation processes | |
| CN204338222U (en) | A kind of fully automatic feeding machine | |
| CN205169621U (en) | Novel rotatory screw conveyer | |
| CN202460791U (en) | Serially-connected grinding system for double-roller press | |
| CN104015395A (en) | Device for converting powder into flake-shaped, annular or other special-shaped finished products | |
| CN203991634U (en) | A kind of high resource utilization system containing civil engineering building refuse | |
| CN204865754U (en) | Dry process roll -in granulator | |
| CN204182455U (en) | Lapping device | |
| CN103693875A (en) | Production process for recycling premixed concrete solid waste residues | |
| CN103357479A (en) | Method for preparing dolomite particles from dolomite tailings | |
| CN208786623U (en) | A kind of efficient ore crushing system | |
| CN103041907A (en) | Double-roller press parallel grinding system | |
| CN207521271U (en) | A kind of green-ball grading plant | |
| CN202087389U (en) | Recovery system for coarse powders | |
| CN201500549U (en) | Used sand production equipment provided with crusher | |
| CN106311445A (en) | Crushing classification-ore grinding method for bauxite | |
| CN204208651U (en) | A kind of device collecting disintegrating machine and sieving machine airborne dust | |
| CN202403539U (en) | Raw material conveying system of calcium carbide furnace | |
| CN103551235A (en) | Ore separation device | |
| CN207494041U (en) | Spherical activated charcoal screens tandem arrangement | |
| CN105399300A (en) | A screw conveying screen dehydration device for slime | |
| CN202744341U (en) | White carbon black production equipment | |
| CN208990946U (en) | A kind of band iron plastic-steel pulverizer | |
| CN202846946U (en) | Filter structure for discharging rotary tablet press | |
| CN203540937U (en) | Firecracker garbage collecting and sorting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20151217 |
|
| EXPY | Termination of patent right or utility model |