CN104741254A - Dust-containing scorched particle winnowing and separating device and method thereof - Google Patents
Dust-containing scorched particle winnowing and separating device and method thereof Download PDFInfo
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- CN104741254A CN104741254A CN201510168145.7A CN201510168145A CN104741254A CN 104741254 A CN104741254 A CN 104741254A CN 201510168145 A CN201510168145 A CN 201510168145A CN 104741254 A CN104741254 A CN 104741254A
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- winnowing
- dust
- laden
- cylindrical shell
- burnt grain
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Abstract
The invention discloses a dust-containing scorched particle winnowing and separating device which comprises a barrel, and is characterized in that the barrel is formed by fixedly connecting a cylinder and a cone tube, wherein a spiral guide plate is arranged on the inner wall of the barrel; a powder outlet is formed in the top of the cylinder; a winnowing material inlet is formed in the peripheral wall of the cylinder; an upper air pipe is formed at the initial part of the spiral guide plate of the cylinder; a main air pipe is formed at the side wall on the lower part of the cone tube; a coarse material discharge pipe is arranged at the bottom of the cone tube; and an auxiliary air pipe is formed on the coarse material discharge pipe. The invention also provides a separation method. The device is reasonable in structure, high in winnowing and separating speed, high in efficiency and low in cost.
Description
Technical field
The present invention relates to solid material Winnowing separator, be the burnt grain Winnowing separator of a kind of dust-laden and method thereof, the coke powder after graphitization and burnt grain can be made to realize quick separating.
Background technology
In graphite electrode is produced, graphitization is one of important procedure of graphite electrode production.Metallurgical coke as graphitizing furnace main filler by a large amount of Reusability, because the metallurgical coke intensity after high temperature is lower, so there is about 50% Jiao Li to be broken for coke powder after repeated use.A large amount of dust can be produced in production flow process, severe contamination is caused to site work environment.Therefore need to be separated material, coke powder is separated from burnt grain.
Screening plant generally can be adopted to be separated material, but due to manufacturing cost, on-the-spot area, reentrainment of dust control and to reasons such as the destructiveness of granularity not as optimal selection, to control at manufacturing cost, floor space, reentrainment of dust due to pneumatic separator and all can be much better than screening plant in the destructiveness of granularity etc., therefore selection by winnowing isolation technics is widely used at present, pneumatic separator kind is also in continuous expansion, and selection by winnowing isolation technics also needs development and perfect.
For the grading of same material, current selection by winnowing separation equipment and selection by winnowing isolation technics are subject to the limitation of selection by winnowing cyclone separator arrangement, the feed separation effect little to floating velocity difference is undesirable, the powder concentrator generally applied at cement industry at present as adopted to existing graphitization after metallurgical coke be separated, cause because its intensity is lower material material and worm gear rotating vane in separator main shaft turbine rotary course to collide and produce a large amount of powder, and because of its manufacturing expense with operating cost is higher should not be used.
Summary of the invention
The object of the invention is, substantial improvements and innovation are carried out to prior art, provide a kind of rational in infrastructure, select that component velocity is fast, efficiency is high, the burnt grain Winnowing separator of the dust-laden that cost is low.And its dust-laden burnt grain selection by winnowing separation method is provided.
The technical scheme realizing the employing of one of the object of the invention is, the burnt grain Winnowing separator of a kind of dust-laden, it comprises cylindrical shell, it is characterized in that, described cylindrical shell is connected is formed by the cylinder being positioned at top and the taper cone barrel that is positioned at below, the inwall of cylindrical shell arranges deflector in the shape of a spiral, at the barrel top of cylindrical shell, powder outlet is set, the cylindrical peripheral wall of cylindrical shell arranges selection by winnowing material inlet, in the cylinder spiral shape deflector initial part being positioned at cylindrical shell, upcast ventilation pipe is set, the taper cone barrel lower sides of cylindrical shell arranges air main, coarse fodder discharge nozzle is set bottom the taper cone barrel of cylindrical shell, coarse fodder discharge nozzle arranges auxiliary airduct.
Two technical schemes adopted realizing the object of the invention are, a kind of dust-laden burnt grain selection by winnowing separation method, and it is characterized in that, it has in comprising:
1) wind model program: adopt wind model that granularity 0-25mm material is delivered to the burnt grain Winnowing separator of dust-laden with the speed of 33m/s, according to metallurgical coke conveying capacity 20.5T/h after material-gas ratio 1.5:1 graphitization, material enters the burnt grain Winnowing separator of dust-laden by selection by winnowing material inlet, material mean wind speed in the burnt grain Winnowing separator of dust-laden is 0.87m/s, when being greater than 70um according to material suspended velocity formula granularity and being less than 1.5mm, metallurgical coke full supporting velocity V=4.24 m/s after graphitization, closes feed-line valve after completing wind model;
2) system enters selection by winnowing program: after starting the burnt grain Winnowing separator of dust-laden, open upcast ventilation pipe, air main and auxiliary airduct, material is under the effect of air main blast, helical form material conveying passage is formed in the burnt grain Winnowing separator of dust-laden, by adjustment winnowing machine frequency, dust and below 1.5mm granule materials are taken away by speed limit, discharge through powder outlet, the flap valve coarse fodder opening the coarse fodder discharging mouth of pipe is discharged, material is before the discharge coarse fodder discharging mouth of pipe, the blast pressure of auxiliary airduct 3 improves material pneumatic conveying separative efficiency, completes selection by winnowing detached job.
The advantage applies of the burnt grain Winnowing separator of dust-laden of the present invention exists:
1. adopt winnowing machine to realize mass transport and feed separation one machine completes, electricity saving and energy saving reduces manufacture and operating cost;
2. adopt helical form guide plate type sorting isolating construction, structure is simple, low cost of manufacture, and without independent driving mechanism, energy-saving effect is remarkable;
3. adopt helical form guide plate type sorting isolating construction to drop to minimum to low-intensity material granularity damaged degree in separation, and the Winnowing separator of existing installation driving mechanism is larger to material destructive power;
4. component velocity is fast, efficiency is high, and one-level grading effect reaches more than 90%, can meet the separation of the various material of coal industry,
Be with a wide range of applications and promotional value.
Dust-laden of the present invention burnt grain selection by winnowing separation method is scientific and reasonable, and separative efficiency is high, effective, environmentally safe.
Accompanying drawing explanation
Fig. 1 is a kind of dust-laden of the present invention burnt grain Winnowing separator structural representation;
Fig. 2 is the dust-laden burnt grain selection by winnowing piece-rate system structural representation that the burnt grain Winnowing separator of a kind of dust-laden of the present invention and miscellaneous equipment are formed.
In figure: 1 cylindrical shell, 2 cylinders, 3 taper cone barrels, 4 helical form deflectors, 5 selection by winnowing material inlets, 6 powder outlets, 7 upcast ventilation pipes, 8 air mains, 9 coarse fodder discharge nozzles, 10 auxiliary airducts, 11 blanking devices, the burnt grain Winnowing separator of 12 dust-ladens, 13 cyclone dust collectors, 14 pulsed jet cloth filters, 15 multistage pressure air-introduced machines, 18 flap valves.
Detailed description of the invention
Drawings and Examples are utilized to be described further the burnt grain Winnowing separator of a kind of dust-laden of the present invention below.
With reference to Fig. 1, the burnt grain Winnowing separator of a kind of dust-laden of the present invention, comprise cylindrical shell 1, described cylindrical shell 1 is connected by the cylinder 2 being positioned at top and the taper cone barrel 3 that is positioned at below and forms, the inwall of cylindrical shell 1 arranges deflector 4 in the shape of a spiral, at cylinder 2 top of cylindrical shell 1, powder outlet 6 is set, cylinder 2 perisporium of cylindrical shell 1 arranges selection by winnowing material inlet 5, in cylinder 2 helical form deflector 4 initial part being positioned at cylindrical shell 1, upcast ventilation pipe 7 is set, taper cone barrel 3 lower sides of cylindrical shell 1 arranges air main 8, bottom the taper cone barrel 3 of cylindrical shell 1, coarse fodder discharge nozzle 9 is set, coarse fodder discharge nozzle 9 arranges auxiliary airduct 10.
The cylinder 2 diameter 1600mm of the cylindrical shell 1 of the burnt grain Winnowing separator of dust-laden of the present embodiment; Height overall 4500mm. device air outlet adopts involute spiral case to rotate 270 °, is conducive to feed separation.Below the selection by winnowing material inlet 6 of cylinder 2 perisporium 300mm adopt along pitch 300mm arrange different size in the shape of a spiral above deflector 4 to slower conical tube 3 700mm place terminate, the upcast ventilation pipe 7 of cylinder 2 helical form deflector 4 initial part setting goes to 500mm place above slower conical tube 3 along helix dextrorotation.
Utilize the concrete selection by winnowing separation method of the burnt grain Winnowing separator of a kind of dust-laden of the present invention, have in comprising:
1) wind model program: adopt wind model that granularity 0-25mm material is delivered to the burnt grain Winnowing separator of dust-laden with the speed of 33m/s, according to metallurgical coke conveying capacity 20.5T/h after material-gas ratio 1.5:1 graphitization, material enters the burnt grain Winnowing separator of dust-laden by selection by winnowing material inlet, material mean wind speed in the burnt grain Winnowing separator of dust-laden is 0.87m/s, when being greater than 70um according to material suspended velocity formula granularity and being less than 1.5mm, metallurgical coke full supporting velocity V=4.24 m/s after graphitization, closes feed-line valve after completing wind model;
2) system enters selection by winnowing program: after starting the burnt grain Winnowing separator of dust-laden, open upcast ventilation pipe, air main and auxiliary airduct, material is under the effect of air main blast, helical form material conveying passage is formed in the burnt grain Winnowing separator of dust-laden, by adjustment winnowing machine frequency, dust and below 1.5mm granule materials are taken away by speed limit, discharge through powder outlet, flap valve 18 coarse fodder opening the coarse fodder discharging mouth of pipe is discharged, material is before the discharge coarse fodder discharging mouth of pipe, the blast pressure of auxiliary airduct 3 improves material pneumatic conveying separative efficiency, completes selection by winnowing detached job.
With reference to Fig. 2, the selection by winnowing material inlet 6 of the burnt grain Winnowing separator 12 of a kind of dust-laden of the present invention is connected with the conveying worm discharging port of the blanking device 11 of material by selection by winnowing pipeline, and the powder outlet 5 of dust-laden Jiao grain Winnowing separator 12 is connected with cyclone dust collectors 13, pulsed jet cloth filter 14, the export pipeline of pulsed jet cloth filter 14 arranges multistage pressure air-introduced machine 15.
Workflow: material enters selection by winnowing pipeline from blanking device 11 through conveying worm, through wind model, material is sent into the burnt grain Winnowing separator 12 of dust-laden, large granular materials is after selection by winnowing is separated, enter coarse fodder storage tank from coarse fodder discharge nozzle 9 oral area of the burnt grain Winnowing separator 12 of dust-laden, fine powder material enters respective fine powder hopper respectively after the powder outlet 5 of the burnt grain Winnowing separator 12 of dust-laden is delivered to cyclone dust collectors 13 and pulsed jet cloth filter 14 process.
Operation principle: the present invention mainly adopts aerodynamic principle and aviation aerodynamics analysis method, utilize plane cylinder formula classification principle that material diversion plate and air-supply passage are set in separator, reached the object of material quick separating by conservative control pan feeding speed.
Claims (2)
1. the burnt grain Winnowing separator of dust-laden, it comprises cylindrical shell, it is characterized in that, described cylindrical shell is connected is formed by the cylinder being positioned at top and the taper cone barrel that is positioned at below, the inwall of cylindrical shell arranges deflector in the shape of a spiral, at the barrel top of cylindrical shell, powder outlet is set, the cylindrical peripheral wall of cylindrical shell arranges selection by winnowing material inlet, in the cylinder spiral shape deflector initial part being positioned at cylindrical shell, upcast ventilation pipe is set, the taper cone barrel lower sides of cylindrical shell arranges air main, coarse fodder discharge nozzle is set bottom the taper cone barrel of cylindrical shell, coarse fodder discharge nozzle arranges auxiliary airduct.
2. the burnt grain Winnowing separator of a kind of dust-laden according to claim 1, is characterized in that, have in separation method comprises:
1) wind model program: adopt wind model that granularity 0-25mm material is delivered to the burnt grain Winnowing separator of dust-laden with the speed of 33m/s, according to metallurgical coke conveying capacity 20.5T/h after material-gas ratio 1.5:1 graphitization, material enters the burnt grain Winnowing separator of dust-laden by selection by winnowing material inlet, material mean wind speed in the burnt grain Winnowing separator of dust-laden is 0.87m/s, when being greater than 70um according to material suspended velocity formula granularity and being less than 1.5mm, metallurgical coke full supporting velocity V=4.24 m/s after graphitization, closes feed-line valve after completing wind model;
2) system enters selection by winnowing program: after starting the burnt grain Winnowing separator of dust-laden, open upcast ventilation pipe, air main and auxiliary airduct, material is under the effect of air main blast, helical form material conveying passage is formed in the burnt grain Winnowing separator of dust-laden, by adjustment winnowing machine frequency, dust and below 1.5mm granule materials are taken away by speed limit, discharge through powder outlet, the flap valve coarse fodder opening the coarse fodder discharging mouth of pipe is discharged, material is before the discharge coarse fodder discharging mouth of pipe, the blast pressure of auxiliary airduct 3 improves material pneumatic conveying separative efficiency, completes selection by winnowing detached job.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168145.7A CN104741254A (en) | 2015-04-11 | 2015-04-11 | Dust-containing scorched particle winnowing and separating device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168145.7A CN104741254A (en) | 2015-04-11 | 2015-04-11 | Dust-containing scorched particle winnowing and separating device and method thereof |
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| CN104741254A true CN104741254A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510168145.7A Pending CN104741254A (en) | 2015-04-11 | 2015-04-11 | Dust-containing scorched particle winnowing and separating device and method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110113935A (en) * | 2016-10-28 | 2019-08-09 | 曼莎米·贝拉尼安 | Winnowing machine |
| CN112358894A (en) * | 2020-11-07 | 2021-02-12 | 新能能源有限公司 | Coal gasification catalyst loading device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0468426A2 (en) * | 1990-07-23 | 1992-01-29 | Kubota Corporation | Classifier for powdery material |
| CN201848319U (en) * | 2010-06-28 | 2011-06-01 | 常州三全干燥设备有限公司 | Cyclone separator |
| CN202199439U (en) * | 2011-09-01 | 2012-04-25 | 无锡双雄通用机械有限公司 | Improved cyclone separator |
| CN203508218U (en) * | 2013-09-02 | 2014-04-02 | 无锡恒诚硅业有限公司 | Blade of cyclone separator for white carbon black production |
| CN203578034U (en) * | 2013-11-19 | 2014-05-07 | 上海日泰医药设备工程有限公司 | Cyclone separator |
| CN204220314U (en) * | 2014-11-20 | 2015-03-25 | 梅县金雁水泥有限公司 | A kind of cyclone dust collectors |
| CN204544487U (en) * | 2015-04-11 | 2015-08-12 | 吉林炭素有限公司 | The burnt grain Winnowing separator of a kind of dust-laden |
-
2015
- 2015-04-11 CN CN201510168145.7A patent/CN104741254A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0468426A2 (en) * | 1990-07-23 | 1992-01-29 | Kubota Corporation | Classifier for powdery material |
| CN201848319U (en) * | 2010-06-28 | 2011-06-01 | 常州三全干燥设备有限公司 | Cyclone separator |
| CN202199439U (en) * | 2011-09-01 | 2012-04-25 | 无锡双雄通用机械有限公司 | Improved cyclone separator |
| CN203508218U (en) * | 2013-09-02 | 2014-04-02 | 无锡恒诚硅业有限公司 | Blade of cyclone separator for white carbon black production |
| CN203578034U (en) * | 2013-11-19 | 2014-05-07 | 上海日泰医药设备工程有限公司 | Cyclone separator |
| CN204220314U (en) * | 2014-11-20 | 2015-03-25 | 梅县金雁水泥有限公司 | A kind of cyclone dust collectors |
| CN204544487U (en) * | 2015-04-11 | 2015-08-12 | 吉林炭素有限公司 | The burnt grain Winnowing separator of a kind of dust-laden |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110113935A (en) * | 2016-10-28 | 2019-08-09 | 曼莎米·贝拉尼安 | Winnowing machine |
| CN112358894A (en) * | 2020-11-07 | 2021-02-12 | 新能能源有限公司 | Coal gasification catalyst loading device |
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