CN101838540A - Vibrational fluidized bed device for controlling humidity and grading coking coal and fluidizing process thereof - Google Patents
Vibrational fluidized bed device for controlling humidity and grading coking coal and fluidizing process thereof Download PDFInfo
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- CN101838540A CN101838540A CN 201010156548 CN201010156548A CN101838540A CN 101838540 A CN101838540 A CN 101838540A CN 201010156548 CN201010156548 CN 201010156548 CN 201010156548 A CN201010156548 A CN 201010156548A CN 101838540 A CN101838540 A CN 101838540A
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Abstract
The invention relates to a vibrational fluidized bed device for controlling humidity and grading coking coal and a fluidizing process thereof and belongs to the field of fluidizing and humidifying of the coking coal. The device and the process can realize humidity adjustment and efficient separation of the coking coal. The device comprises a linear driving device, a non-uniform pressure air box, a fluidized drying and grading chamber, gas material separation chambers and a large-particle coal collecting chamber and is characterized in that: the gas material separation chambers are positioned on both sides and the tail end side of the fluidized drying and grading chamber respectively; the linear driving device is connected with the bottom of the non-uniform pressure air box; an air distribution plate is arranged between the top of the non-uniform pressure air box and the fluidized drying and grading chamber; and a plurality of small-particle coal scraper plates are arranged above the air distribution plate and lead to the gas material separation chambers. The device and the process have the advantages of capability of effectively solving blocking and material leaking problems on the air distribution plate, uniform fluidization, remarkable drying effect, high thermal efficiency, good fluidized bed delamination and high separation accuracy. Moreover, the small-particle coal scraper plate has the advantages of simple structure, low failure rate and remarkable separation effect.
Description
Technical field
The present invention relates to a kind of coking coal dampness control and fractionated vibratory liquefaction device and fluid technology thereof of being used for, belong to coking coal fluidisation damping field.
Background technology
The size classification technology of coking coal is subordinated to the selectivity disintegrating process, this technology is the difference on hardness according to coal in the coking coal materials and petrofacies composition, by different grinding particle size requirements, will pulverize with the screening (or wind-force separates) combine, claim the petrofacies circuit grinding again.Adopt this technology can make the coal charge granularity more even, not only eliminated macrobead but also prevent meticulous pulverizing, and make inert component reach suitable fineness.
The coking coal conditioning technique is that coking coal materials is removed portion of water before shove charge, the coking by coke oven of packing into after maintenance shove charge moisture content of coal is stabilized in about 6%.
More than two kinds of technology all can improve coke quality, they will lean on two cover self-contained systems general realization, as the beginning of the seventies in last century, USSR (Union of Soviet Socialist Republics) has adopted a kind of selection disintegrating process that is called the wind-force partition method the earliest, China Jiuquan Iron ﹠ Steel Co. has introduced this technology in about 2002, that uses is the fixed bed fluidizer; What the coal conditioning technique was at home and abroad used has two kinds, Co., Ltd. of wherein Japanese Nippon Steel exploitation one, two, three generations's coking coal conditioning technique, adopted multitube to return drying installation and fixed bed fluidizer respectively.
The advantage that the humidity control of coking coal and classification technique combine coal conditioning technique and selectivity disintegrating process, the open report relevant with this technology has Chinese patent file CN101063059A " moving iris type fluidized bed " at present, CN1834560A " wind driven separation dryer of semi-fluidizing fluid-bed ", the full content that the present invention quotes these two parts of patent documents is technology as a setting, and their weak point is: 1) air distribution plate stops up and leaks material; 2) fluidisation inequality, the hot gas flow short circuit causes drying effect difference and thermo-efficiency low; 3) the fluidized-bed layering is poor, and separation accuracy is low; 4) scraper plate machine complex structure, the failure rate height.
Summary of the invention
For overcoming the deficiency that prior art exists, the invention provides a kind of coking coal dampness control and fractionated vibratory liquefaction bed apparatus of being used for.
The present invention also discloses a kind of this device that utilizes and carries out fluidizing technology.
The present invention can realize coking coal dampness is regulated, and can realize effective separation of big grade coal and granule level coal again, and simple in structure, moves smooth and easyly, and failure rate is low.
Technical scheme of the present invention is as follows:
A kind of coking coal dampness control and fractionated vibratory liquefaction bed apparatus of being used for, it comprises linear actuating device, uneven bellows, fluidized drying grading room, gas material separate chamber and the big beans collecting chamber of pressing, it is characterized in that, described gas material separate chamber lays respectively at the both sides and the end side of fluidized drying grading room, linear actuating device presses the bottom of bellows to link to each other with inequality, be provided with air distribution plate between the top of uneven pressure bellows and the fluidized drying grading room, polylith Bed for Fine Coal scraper plate is set, Bed for Fine Coal scraper plate guiding gas material separate chamber above air distribution plate.The exciting force that the present invention utilizes linear actuating device to press bellows that air distribution plate is applied forward and makes progress by inequality because exciting force does not directly act on air distribution plate, therefore reduces the vibration intensity of air distribution plate, reduces the loss of equipment; Polylith Bed for Fine Coal scraper plate is set above air distribution plate, increase is to the guide effect of Bed for Fine Coal, make Bed for Fine Coal under Bed for Fine Coal scraper plate and the gravitational comprehensive action of air-out, major part is brought into gas material separate chamber by air-flow, design herein helps the layering of coking coal, the separation accuracy of raising coking coal, and the Bed for Fine Coal scraper plate is simple in structure, and failure rate is low.
Described Bed for Fine Coal scraper plate is an arc.The guiding and the air inducing effect of arc design herein are remarkable.
The angular range of described air distribution plate and horizontal plane: 5 °～30 °; Have blast cap on the air distribution plate.5 °～30 ° angular range makes coking coal fluidisation under the comprehensive action of gravity, vibration force and hot gas flow advance the most smooth and easy; Adopt blast cap on the air distribution plate, the generation of having avoided air distribution plate to stop up and leak material effectively.
Described fluidized drying grading room comprises cover body, outward-dipping blocking material plate all around, adopts the parts that are flexible coupling to be flexible coupling between cover body and the blocking material plate, links to each other around the bottom of blocking material plate and the air distribution plate.The parts that are flexible coupling of Cai Yonging link to each other cover body with blocking material plate herein, can reduce the influence of fluidisation vibration to entire equipment.
An air-out material mouth is set respectively on the blocking material plate of air distribution plate both sides and end side, and three gas material separate chambers are flexible coupling by air-out material mouth, gas material conduit and be flexible coupling parts and fluidized drying grading room respectively.
Gas material conduit on the blocking material plate of described air distribution plate end side passes air-out material mouth and enters the fluidized drying grading room, and the angular range of this gas material conduit and air distribution plate is 5 °～20 °; Described air distribution plate end side extended spot has the outlet of big beans, and big beans collecting chamber is flexible coupling by big beans outlet and be flexible coupling parts and fluidized drying grading room; The gas material conduit of air distribution plate end side is relative up and down with big beans outlet.Design has herein improved the separation accuracy of coking coal greatly, makes the coking coal of granularity between big grain and particulate to enter into gas material separate chamber by the gas material conduit of air distribution plate end side.
The described uneven bellows of pressing are divided into two sections that do not communicate by dividing plate, and each section all has blast inlet and air outlet separately, and air outlet is positioned at uneven top of pressing bellows.Design herein can provide the hot gas flow of different air quantity and pressure according to the needs of producing.
Described cover body is provided with charging opening, and the charging opening place is provided with the sealed motive force feeding device; The top of described gas material separate chamber is provided with the air outlet, and feed opening is arranged at the bottom, and its feed opening is connected to the sealed motive force dumping device; Feed opening is arranged at described big beans collecting chamber bottom, and its feed opening is connected to the sealed motive force dumping device.The design of gas material separate chamber helps separating of gas and coal charge, and sealed motive force dumping device and sealing feeding device have then solved problems such as hot gas flow short circuit, thermo-efficiency be low.
The above device of a kind of utilization is realized coking coal fluidizing fluid technology, and step is as follows:
A) to air distribution plate, the feed-type of sealed motive force feeding device can be vibrating feed mode, screw feeder mode or rotation feed-type to Shi coking coal herein by the even pan feeding of sealed motive force feeding device at charging opening place.
B) linear actuating device presses bellows to apply upwards and exciting force forward to air distribution plate by inequality, hot gas flow enters the uneven bellows of pressing respectively by two blast inlets simultaneously, hot gas flow blows out by the blast cap on the air distribution plate, and it is dry efficiently that coking coal can be carried out under the dual function of vibration force and hot gas flow.
C) coking coal terminal fluidisation to air distribution plate under the effect of hot gas flow, gravity and vibration force is advanced.
D) Bed for Fine Coal in the coking coal is positioned at the upper strata of the fluidisation bed of material under the dual function of hot gas flow and vibration, big beans is positioned at lower floor, when coking coal arrives the Bed for Fine Coal scraper plate, under Bed for Fine Coal scraper plate and the gravitational comprehensive action of air-out, most of Bed for Fine Coal is brought into gas material separate chamber by air-flow, big beans below the Bed for Fine Coal scraper plate by and move on, enter the big beans collecting chamber of fluidized drying grading room below at last by the big beans outlet of air distribution plate end.
E) another part Bed for Fine Coal is brought into the gas material separate chamber of fluidized drying grading room end side by air-flow through the gas material conduit of air distribution plate end side under vibration and the gravitational comprehensive action of air-out.
F) Bed for Fine Coal that enters gas material separate chamber is sunk, hot gas flow is discharged by the air outlet at top, air outlet at top, gas material separate chamber connects a purifying and dedusting equipment in case of necessity, regularly discharging of sealed motive force dumping device in gas material separate chamber and the big beans collecting chamber simultaneously, the discharge way of sealed motive force dumping device can be vibration discharge way, screw unloading mode or rotation discharge way herein.
The invention has the advantages that:
1) avoid air distribution plate to stop up and leak the generation of material problem;
2) fluidisation is even, the obvious and thermo-efficiency height of drying effect;
3) the fluidized-bed layering is good, the separation accuracy height;
4) the Bed for Fine Coal blade structure is simple, and failure rate is low, and separating effect is obvious.
5) adopted a large amount of being flexible coupling, reduced the influence of fluidisation vibration, helped equipment enlarging entire equipment.
6) simple in structure, invest little, to the drying and the fractional efficiency height of coking coal, energy consumption is low and it is smooth and easy to move, and is particularly suitable for the size classification and the moisture control of coking coal in the coking industry.
Description of drawings
Fig. 1 is a main TV structure synoptic diagram of the present invention
Fig. 2 is a right TV structure synoptic diagram of the present invention
Fig. 3 is the indoor plan structure synoptic diagram of fluidized drying on the air distribution plate
In Fig. 1-3,1, charging opening; 2, cover body; 3, the parts that are flexible coupling; 4, blocking material plate; 5, the uneven bellows of pressing; 6, drive-motor; 7, air distribution plate; 8, air outlet; 9, gas material separate chamber; 10, air-out material mouth; 11, gas material conduit; 12, big beans collecting chamber; 13, sealed motive force dumping device; 14, transmission rod; 15, support spring; 16, bellows dividing plate; 17, blast inlet; 18, support girder steel; 19, arc Bed for Fine Coal scraper plate; 20, blast cap; 21, big beans outlet.
Embodiment
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail:
As shown in Figure 1, 2, 3, the present invention includes charging opening 1, cover body 2, blocking material plate 4, uneven pressure bellows 5, linear actuating device, air distribution plate 7, air outlet 8, gas material separate chamber 9, air-out material mouth 10, big beans collecting chamber 12, sealed motive force dumping device 13, blast inlet 17, support girder steel 18, arc Bed for Fine Coal scraper plate 19, big beans outlet 21, wherein linear actuating device is made up of transmission rod 14, support spring 15 and drive-motor 6.
The fluidized drying grading room supports by supporting girder steel 18, and charging opening 1 is positioned on the cover body 2, and is furnished with sealing material feeder quantitative and even pan feeding;
The uneven bellows 5 of pressing are separated into two portions by bellows dividing plate 16, and independently blast inlet 17 is respectively arranged, and the bellows top links to each other with the air distribution plate 7 that has blast cap 20, is with inclination blocking material plate 4 around the air distribution plate 7, the angular range of air distribution plate 7 and horizontal plane: 5 °～30 °;
The cover body 2 and the inclination blocking material plate 4 of fluidized drying grading room are flexible coupling by the parts 3 that are flexible coupling, and support by supporting girder steel 18;
On the blocking material plate 4 of air distribution plate both sides and end three air-out material mouths 10 are arranged, the cross section of drawing on it is that rectangle gas material conduit 11 is connected with three gas material separate chambers 9 by the parts 3 that are flexible coupling respectively;
Each two arc Bed for Fine Coal scraper plate 19 that are provided with that one is long and the other is short on the blocking material plate 4 of air distribution plate both sides, this arc Bed for Fine Coal scraper plate 19 is positioned at the top of air distribution plate, and it can be with the height symmetry adjustment of the air-out material mouth 10 of air distribution plate both sides with the air distribution plate distance;
Linear actuating device is made up of drive-motor 6, transmission rod 13 and support spring 15.Wherein drive-motor 6 links to each other with an end of transmission rod 13, and the other end of transmission rod 13 presses the bottom of bellows 5 to link to each other with inequality, and support spring 15 also is positioned at uneven bottom of pressing bellows 5.This linear actuating device presses 5 pairs of air distribution plates 7 of bellows to provide upwards and exciting force forward by inequality, is used to drive its stationary vibration.
The step of concrete fluid technology is as follows:
A) to air distribution plate 7, the feed-type of sealed motive force feeding device can be vibrating feed mode, screw feeder mode or rotation feed-type to Shi coking coal herein by the even pan feeding of sealed motive force feeding device at charging opening 1 place.
B) linear actuating device presses bellows 5 to apply upwards and exciting force forward for air distribution plate 7 by inequality, hot gas flow enters the uneven bellows 5 of pressing respectively by blast inlet 17 simultaneously, hot gas flow blows out by the blast cap on the air distribution plate 7 20, and it is dry efficiently that coking coal can be carried out under the dual function of vibration force and hot gas flow.
C) coking coal terminal fluidisation to air distribution plate 7 under the effect of hot gas flow, gravity and vibration force is advanced.
D) Bed for Fine Coal in the coking coal is positioned at the upper strata of the fluidisation bed of material under the dual function of hot gas flow and vibration, big beans is positioned at lower floor, when coking coal arrives Bed for Fine Coal scraper plate 19, under Bed for Fine Coal scraper plate and the gravitational comprehensive action of air-out, most of Bed for Fine Coal is brought into gas material separate chamber 9 by air-flow, big beans below Bed for Fine Coal scraper plate 19 by and move on, enter the big beans collecting chamber 10 of fluidized drying grading room below at last by the big beans outlet of air distribution plate 7 ends.
E) another part Bed for Fine Coal is brought into the gas material separate chamber 9 of fluidized drying grading room end side by air-flow through the gas material conduit 11 of air distribution plate 7 end sides under vibration and the gravitational comprehensive action of air-out.
F) Bed for Fine Coal that enters gas material separate chamber 9 is sunk, hot gas flow is discharged by the air outlet 8 at top, air outlet at top, gas material separate chamber connects a purifying and dedusting equipment in case of necessity, sealed motive force dumping device 13 regularly dischargings in gas material separate chamber 9 and the big beans collecting chamber 10 simultaneously, the discharge way of sealed motive force dumping device 13 can be vibration discharge way, screw unloading mode or rotation discharge way herein.
The final realization to wet coal moisture control of coking and effectively classification.
Claims (10)
1. one kind is used for coking coal dampness control and fractionated vibratory liquefaction bed apparatus, it comprises linear actuating device, the uneven bellows of pressing, the fluidized drying grading room, gas material separate chamber and big beans collecting chamber, the below that wherein big beans collecting chamber is positioned at the fluidized drying grading room is characterized in that, described gas material separate chamber lays respectively at the both sides and the end side of fluidized drying grading room, linear actuating device presses the bottom of bellows to link to each other with inequality, be provided with air distribution plate between the top of uneven pressure bellows and the fluidized drying grading room, polylith Bed for Fine Coal scraper plate is set, Bed for Fine Coal scraper plate guiding gas material separate chamber above air distribution plate.
2. coking coal dampness control and the fractionated vibratory liquefaction bed apparatus of being used for according to claim 1 is characterized in that described Bed for Fine Coal scraper plate is an arc.
3. coking coal dampness control and the fractionated vibratory liquefaction bed apparatus of being used for according to claim 1 is characterized in that the angular range of described air distribution plate and horizontal plane: 5 °～30 °; Have blast cap on the air distribution plate.
4. coking coal dampness control and the fractionated vibratory liquefaction bed apparatus of being used for according to claim 1, it is characterized in that, described fluidized drying grading room comprises cover body, outward-dipping blocking material plate all around, adopt the parts that are flexible coupling to be flexible coupling between cover body and the blocking material plate, the bottom of blocking material plate links to each other all around with air distribution plate.
5. coking coal dampness control and the fractionated vibratory liquefaction bed apparatus of being used for according to claim 4, it is characterized in that, an air-out material mouth is set respectively on the blocking material plate of air distribution plate both sides and end side, and three gas material separate chambers are flexible coupling by air-out material mouth, gas material conduit and be flexible coupling parts and fluidized drying grading room respectively.
6. coking coal dampness control and the fractionated vibratory liquefaction bed apparatus of being used for according to claim 5, it is characterized in that, gas material conduit on the blocking material plate of described air distribution plate end side passes air-out material mouth and enters the fluidized drying grading room, and the angular range of this gas material conduit and air distribution plate is 5 °～20 °; Described air distribution plate end side extended spot has the outlet of big beans, and big beans collecting chamber is flexible coupling by big beans outlet and be flexible coupling parts and fluidized drying grading room; The gas material conduit of air distribution plate end side is relative up and down with big beans outlet.
7. coking coal dampness control and the fractionated vibratory liquefaction bed apparatus of being used for according to claim 4 is characterized in that described cover body is provided with charging opening, and the charging opening place is provided with the sealed motive force feeding device.
8. coking coal dampness control and the fractionated vibratory liquefaction bed apparatus of being used for according to claim 1, it is characterized in that, the described uneven bellows of pressing are divided into two sections that do not communicate by dividing plate, and each section all has blast inlet and air outlet separately, and air outlet is positioned at uneven top of pressing bellows.
9. coking coal dampness control and the fractionated vibratory liquefaction bed apparatus of being used for according to claim 1 is characterized in that, the air outlet of described gas material separate chamber, and feed opening is arranged at the bottom, and its feed opening is connected to the sealed motive force dumping device; Feed opening is arranged at described big beans collecting chamber bottom, and its feed opening is connected to the sealed motive force dumping device.
10. one kind is utilized described coking coal dampness control and the fractionated vibratory liquefaction bed apparatus realization coking coal fluidizing processing method of being used for of claim 1, and step is as follows:
A) to air distribution plate, the feed-type of sealed motive force feeding device can be vibrating feed mode, screw feeder mode or rotation feed-type to Shi coking coal herein by the even pan feeding of sealed motive force feeding device at charging opening place;
B) linear actuating device presses bellows to apply upwards and exciting force forward to air distribution plate by inequality, hot gas flow enters the uneven bellows of pressing respectively by two blast inlets simultaneously, hot gas flow blows out by the blast cap on the air distribution plate, and vibration force and hot gas flow are to coking coal dual function drying;
C) coking coal terminal fluidisation to air distribution plate under the effect of gravity and vibration force is advanced;
D) Bed for Fine Coal in the coking coal is positioned at the upper strata of the fluidisation bed of material under the dual function of hot gas flow and vibration, big beans is positioned at lower floor, when coking coal arrives the Bed for Fine Coal scraper plate, under Bed for Fine Coal scraper plate and the gravitational comprehensive action of air-out, most of Bed for Fine Coal is brought into gas material separate chamber by air-flow, big beans below the Bed for Fine Coal scraper plate by and move on, enter the big beans collecting chamber of fluidized drying grading room below at last by the big beans outlet of air distribution plate end;
E) another part Bed for Fine Coal is brought into the gas material separate chamber of fluidized drying grading room end side by air-flow through the gas material conduit of air distribution plate end side under vibration and the gravitational comprehensive action of air-out;
F) Bed for Fine Coal that enters gas material separate chamber is sunk, hot gas flow is discharged by the air outlet at top, air outlet at top, gas material separate chamber connects a purifying and dedusting equipment in case of necessity, regularly discharging of sealed motive force dumping device in gas material separate chamber and the big beans collecting chamber simultaneously, the discharge way of sealed motive force dumping device can be vibration discharge way, screw unloading mode or rotation discharge way herein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010156548 CN101838540B (en) | 2010-04-27 | 2010-04-27 | Vibrational fluidized bed device for controlling humidity and grading coking coal and fluidizing process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010156548 CN101838540B (en) | 2010-04-27 | 2010-04-27 | Vibrational fluidized bed device for controlling humidity and grading coking coal and fluidizing process thereof |
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| CN101838540A true CN101838540A (en) | 2010-09-22 |
| CN101838540B CN101838540B (en) | 2013-03-13 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196281A (en) * | 2013-04-02 | 2013-07-10 | 中国矿业大学 | Drying and separation integrated machine for vibrated fluidized bed |
| CN103695017A (en) * | 2013-12-23 | 2014-04-02 | 青岛利物浦环保科技有限公司 | Humidifying and sorting machine of compound fluidized bed coal and humidifying and sorting technology |
| CN104097868A (en) * | 2014-07-09 | 2014-10-15 | 莱芜钢铁集团有限公司 | Vibrated fluidized bed |
| CN104776686A (en) * | 2015-04-07 | 2015-07-15 | 华中科技大学 | Fluidized bed grading and drying device applicable to high-moisture and large-grain-size low-rank coal |
| CN106440666A (en) * | 2016-07-31 | 2017-02-22 | 武汉贵言机械制造有限公司 | Efficient boiling type drying machine |
| CN111097693A (en) * | 2019-12-27 | 2020-05-05 | 河南理工大学 | Continuous drying and sorting integrated equipment and method for wet fine coal |
| CN113883862A (en) * | 2021-09-27 | 2022-01-04 | 徐胡花 | Drying equipment with heat preservation effect for powder metallurgy |
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| JP2001226678A (en) * | 2000-02-10 | 2001-08-21 | Nippon Steel Corp | Moisture controlling apparatus for coal |
| CN1285387A (en) * | 2000-09-22 | 2001-02-28 | 冶金工业部鞍山热能研究院 | Hot air blowing coking coal grading and moisture controlled coal preparation process |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196281A (en) * | 2013-04-02 | 2013-07-10 | 中国矿业大学 | Drying and separation integrated machine for vibrated fluidized bed |
| CN103695017A (en) * | 2013-12-23 | 2014-04-02 | 青岛利物浦环保科技有限公司 | Humidifying and sorting machine of compound fluidized bed coal and humidifying and sorting technology |
| CN103695017B (en) * | 2013-12-23 | 2014-12-24 | 青岛利物浦环保科技有限公司 | Humidifying and sorting machine of compound fluidized bed coal and humidifying and sorting technology |
| CN104097868A (en) * | 2014-07-09 | 2014-10-15 | 莱芜钢铁集团有限公司 | Vibrated fluidized bed |
| CN104776686A (en) * | 2015-04-07 | 2015-07-15 | 华中科技大学 | Fluidized bed grading and drying device applicable to high-moisture and large-grain-size low-rank coal |
| CN106440666A (en) * | 2016-07-31 | 2017-02-22 | 武汉贵言机械制造有限公司 | Efficient boiling type drying machine |
| CN106440666B (en) * | 2016-07-31 | 2020-07-14 | 武汉贵言机械制造有限公司 | Boiling type drying machine |
| CN111097693A (en) * | 2019-12-27 | 2020-05-05 | 河南理工大学 | Continuous drying and sorting integrated equipment and method for wet fine coal |
| CN113883862A (en) * | 2021-09-27 | 2022-01-04 | 徐胡花 | Drying equipment with heat preservation effect for powder metallurgy |
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| CN101838540B (en) | 2013-03-13 |
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