CN201653072U - Double-layer vibration fluidized bed drying classified device - Google Patents

Double-layer vibration fluidized bed drying classified device Download PDF

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Publication number
CN201653072U
CN201653072U CN201020171185XU CN201020171185U CN201653072U CN 201653072 U CN201653072 U CN 201653072U CN 201020171185X U CN201020171185X U CN 201020171185XU CN 201020171185 U CN201020171185 U CN 201020171185U CN 201653072 U CN201653072 U CN 201653072U
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China
Prior art keywords
bed
coal
chamber
fluidized
double
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Expired - Lifetime
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CN201020171185XU
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Chinese (zh)
Inventor
孙业新
王元顺
管山吉
江丹
李志峰
宋宪锋
徐光庆
魏承志
郑艳
李艳青
闫志华
李广艳
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Laiwu Iron and Steel Group Co Ltd
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Laiwu Iron and Steel Group Co Ltd
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Abstract

The utility model relates to a double-layer vibration fluidized bed drying classified device, in particular to a double-layer vibration fluidized device for controlling and classifying coking coal humidity, and belongs to the technical field of drying equipment. The double-layer vibration fluidized bed drying classified device comprises a support steel beam, a fluidized drying classified chamber, a coal filling port, a big coal particle outlet and a fine particle coal buffer sealing bin, the fluidized drying classified chamber is connected with the support steel beam, and the coal filling port, the big coal particle outlet and the fine particle coal buffer sealing bin are respectively communicated with the fluidized drying classified chamber, wherein the fluidized drying classified chamber is a closed cavity chamber which comprises an upper layer fluidized drying classified chamber and a lower layer fluidized drying classified chamber, the upper layer fluidized drying classified chamber is arranged on the upper portion, the lower layer fluidized drying classified chamber is arranged on the lower layer, and the bottom portion of the fluidized drying classified chamber is provided with a voltage sharing bellow. The double-layer vibration fluidized bed drying classified device has simple structure, low investment, high coal classifying efficiency and smooth operation, and is particularly suitable for classifying particle size and adjusting humidity of coking coal in coking industry.

Description

A kind of double-layered vibrating fluidized-bed drying-classification apparatus
Technical field
The utility model relates to a kind of double-layered vibrating fluidized-bed drying-classification apparatus, relates to a kind of double-deck vibratory liquefaction device that is used for coking coal dampness control and classification specifically, belongs to the drying equipment technical field.
Background technology
The grading 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 bulky grain 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%.These two kinds of technology all can improve coke quality, they will lean on two cover self-contained units general realization, as the beginning of the seventies in last century, the former Soviet Union 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, it uses is the fixed bed fluidizer, coal conditioning technique domestic and international application have two kinds, as Co., Ltd. of Japanese Nippon Steel exploitation one, two, three generations's coking coal conditioning technique, adopted multitube to return drying device and fixed bed fluidizer respectively.
The advantage that the humidity control of coking coal and classification technique combine selectivity disintegrating process and coal conditioning technique, can realize having of this technology at present:
1) to be that the Chinese patent of CN101063059 discloses a kind of moving iris type fluidized bed for the publication number of Jinan Iron ﹠ Steel Group Corporation exploitation, and it adopts the air chamber of a plurality of independent distribution, and length direction adopts a plurality of air chambers to arrange, and be two air chambers arrangements on the width; Adopt a star charging gear feed, bed body inside is equipped with the mobile partition device and guarantees moving and fluid effect of feed coal; Adopt the adjustment of four sections classification downflow weirs, can control fluidisation time and grading effect; The fine grained raw coal is delivered to through three conveying worms on the fines belt conveyor of tail, and the coarse granule raw coal directly is delivered on the coarse fodder belt conveyor of tail through chute.It is drying and the graded crushing that thermal source and power source carry out coal with coke oven flue waste gas, realize that coking is one with " drying, classification and preheating " three functions of mixing coal, and then can improve coke oven output, reduce the coke oven energy consumption and reduce coke oven remained ammonia amount etc., can also utilize the waste heat of coke oven flue waste gas, realize the used heat recovery energy.
2) publication number by Changsha Tongfa High-New Technology Development Co., Ltd. and Zhongye Coke Resistance Engineering Technology Co., Ltd's co-applications is the Chinese patent of CN1834560, a kind of wind driven separation dryer of semi-fluidizing fluid-bed is disclosed, it comprises semi-fluidizing fluid-bed, the fluid-bed depth adjusting device, coarse granule material chain scraper discharge device, the revolution scraper feeder, feed bin, the fine grained material is collected discharger, support girder steel, outer outlet body and automatic control system, described outer outlet body links to each other with the support girder steel, described semi-fluidizing fluid-bed being fixed in supported on the girder steel and a semi-fluidizing fluid-bed bed body is positioned at outer outlet body, the revolution scraper feeder is positioned at the top of a body, coarse granule material chain scraper discharge device is between bed body and revolution scraper feeder and be close to a body, feed bin is positioned at the top of revolution scraper feeder and is communicated with the revolution scraper feeder, and the fine grained material is collected discharger and is positioned at semi-fluidizing fluid-bed both sides.This utility model combines the grading of wet granular material separates and the dry two kinds of technology of appropriateness, possesses the wind driven separation dryer of semi-fluidizing fluid-bed of the advantage of these two kinds of technology in one simultaneously.
But there is following weak point in they: 1) air distribution plate stops up easily and leaks material; 2) fluidisation inequality, the thermal current short circuit causes the drying effect difference and the thermal efficiency low; 3) the fluid bed layering is poor, and separation accuracy is low; 4) scraper plate machine structure relative complex, the fault rate height; 5) energy consumption height, exhaust emissions waste heat height, thermal waste is serious; 6) coal dust content height in the tail gas, follow-up vent gas treatment cost height, seriously polluted.
Summary of the invention
The utility model provides a kind of double-deck vibratory liquefaction device that is used for coking coal dampness control and classification at the deficiencies in the prior art.
A kind of double-layered vibrating fluidized-bed drying-classification apparatus, it comprises the support girder steel, the fluidized drying grading room, coal filling hole, big coal grain outlet, Bed for Fine Coal cushion seal feed bin, the fluidized drying grading room links to each other with the support girder steel, coal filling hole, big coal grain outlet and Bed for Fine Coal cushion seal feed bin are connected with the fluidized drying grading room respectively, it is characterized in that, the fluidized bed drying grading room is the airtight chamber that is made of fluidisation dry classification chamber, upper strata that is arranged at top and the lower floor fluidisation dry classification chamber that is arranged at the bottom, fluidized bed drying grading room bottom is provided with all presses bellows, the air distribution plate discharge end of fluidisation dry classification chamber, upper strata is provided with big coal grain outlet, the Bed for Fine Coal scraper plate discharge end of fluidisation dry classification chamber, upper strata is connected with the air-out material mouth of gas material separation chamber by gas material conduit, the blanking conduit outlet of gas material separation chamber is arranged at the feed end of the air distribution plate of lower floor fluidisation dry classification chamber, on the discharge end of the air distribution plate of lower floor fluidisation dry classification chamber, vertically be provided with Bed for Fine Coal passage and big coal grain outlet down, the Bed for Fine Coal passage links to each other with Bed for Fine Coal cushion seal feed bin.
The feed end of the air distribution plate of fluidisation dry classification chamber, described upper strata and lower floor fluidisation dry classification chamber all is higher than discharge end, angle between air distribution plate and the horizontal plane is 5 °~30 °, be provided with blast cap on the air distribution plate, be provided with the inclination striker plate around the air distribution plate.
Between described Bed for Fine Coal scraper plate discharge end and the gas material separation chamber, between Bed for Fine Coal cushion seal feed bin and the fluidized drying grading room, between lower floor fluidisation dry classification chamber and the fluidisation dry classification chamber, upper strata, all adopt flexible connection structure to be connected between the air distribution plate of fluidisation dry classification chamber, upper strata and the fluidisation dry classification chamber, upper strata.
Described Bed for Fine Coal passage width is identical with big beans outlet, and the Bed for Fine Coal passage is connected with height adjustment mechanism.
The air distribution plate of fluidisation dry classification chamber, described upper strata is connected with drive unit, all press the bellows bottom to be provided with down drive unit, last drive unit is made up of drive motors, transmission device, support spring and last drive unit pedestal, drive motors is connected with transmission device, transmission device is connected with support spring, and support spring is fixedlyed connected with last drive unit pedestal; Following drive unit is made up of drive motors, transmission device, support spring and following drive unit pedestal, and drive motors is connected with transmission device, and transmission device is connected with support spring, and support spring is fixedlyed connected with following drive unit pedestal.
Described big coal grain outlet is connected with big coal grain cushion seal feed bin.
The blanking conduit outlet of described Bed for Fine Coal cushion seal feed bin, the big gentle material of coal grain cushion seal feed bin separation chamber is provided with quantitative device for discharging, preferred rotary discharger.
Described Bed for Fine Coal scraper plate parallels with fluidisation dry classification chamber, upper strata air distribution plate.
Top, gentle material separation chamber, described fluidized drying grading room top is provided with air outlet.
Described Bed for Fine Coal cushion seal feed bin, bottom, big coal grain cushion seal feed bin gentle material separation chamber are the plenum chamber of taper.
In the utility model, drive unit is two covers, and the air distribution plate that is respectively in fluidisation dry classification chamber, upper strata and the lower floor fluidisation dry classification chamber provides upwards and exciting force forward, is used to drive the air distribution plate stationary vibration; Upper strata fluidisation dry classification is indoor realizes the adjusting of coking coal dampness and separating of size granularity coal, and discharge gas, the distolateral coal filling hole of opening in its top, can be provided with the power device for discharging, by mode dosings such as vibrating feed, screw feeder, rotation feeds, the secondary separation of the final adjusting of the indoor realization coking coal dampness of lower floor's fluidisation dry classification and realization size granularity coal, a large amount of flexible connection structures are divided into two parts up and down with laminarization dry classification chamber, thereby realize that air distribution plate vibrates non-interfering independent vibration service up and down; Quantitatively device for discharging can pass through the quantitative dischargings of mode such as vibrating feed, screw feeder, rotation feed.Bed for Fine Coal cushion seal feed bin, bottom, big coal grain cushion seal feed bin gentle material separation chamber are the plenum chamber of taper, and this structure helps gas and separates with coal charge.
Therefore the utility model can accurately be adjusted operational factor owing to adopt two-layer bed body independence vibrating mechanism; The coking coal grading is mainly realized on the upper strata, and lower floor mainly realizes the humidity regulation of fine fraction coal; Because the bulky grain coking coal is moisture lower, indoor in the upper strata fluidisation with lower temperature discharge bulky grain coking coal, the temperature of final emission gases is low than the temperature of the final emission gases of single-layer fluidized bed, therefore can cut down the consumption of energy greatly, under equal conditions can increase treating capacity, simultaneously the coal charge on the bed of upper strata can be caught the dust of bringing up with air-flow after a large amount of lower floors duff material drying, thereby final coal dust discharge capacity significantly reduces, and reduced the investment and the operation energy consumption of postorder exhaust emissions treatment process.In addition, the utility model is simple in structure, invests for a short time, and coal classification efficiency height, operation are smooth and easy, are particularly suitable for the grading and the humidity regulation of coking coal in the coking industry.
Description of drawings
Fig. 1 is a Facad structure schematic diagram of the present utility model;
Fig. 2 is a side structure schematic diagram of the present utility model;
Fig. 3 is the structural representation of fluidisation dry classification chamber, upper strata;
Fig. 4 is the structural representation of lower floor fluidisation dry classification chamber;
Wherein: 1, coal filling hole, 2, fluidisation dry classification chamber, upper strata, 3, flexible connection structure, 4, the inclination striker plate, 5, transmission device, 6, drive motors, 7, lower floor fluidisation dry classification chamber; 8, Bed for Fine Coal passage, 9, Bed for Fine Coal cushion seal feed bin, 10, rotary discharger, 11, the air distribution plate of fluidisation dry classification chamber, upper strata, 12, air outlet, 13, air-out material mouth, 14, gas material separation chamber, 15, go up the drive unit pedestal; 16, blanking conduit, 17, support girder steel, 18, all press bellows, 19, the air distribution plate of lower floor fluidisation dry classification chamber, 20, support spring, 21, air inlet, 22, the Bed for Fine Coal scraper plate, 23, gas material conduit, 24, drive unit pedestal down; 25, blast cap, 26, the outlet of big beans.
The specific embodiment
Below in conjunction with Figure of description the utility model is done to describe in further detail, but the utility model institute protection domain is not limited thereto.
Embodiment 1
As Fig. 1, double-layered vibrating fluidized-bed drying-classification apparatus shown in 2 and 3, it comprises coal filling hole 1, fluidisation dry classification chamber, upper strata 2 and lower floor fluidisation dry classification chamber 7, inclination striker plate 4, transmission device 5, drive motors 6, Bed for Fine Coal passage 8, Bed for Fine Coal cushion seal feed bin 9, rotary discharger 10, the air distribution plate 19 of the air distribution plate 11 of fluidisation dry classification chamber, upper strata and lower floor fluidisation dry classification chamber, air outlet 12, air-out material mouth 13, gas material separation chamber 14, last drive unit pedestal 15, following drive unit pedestal 24, blanking conduit 16, support girder steel 17, all press bellows 18, air inlet 21, Bed for Fine Coal scraper plate 22, gas material conduit 23, blast cap 25, big beans outlet 26; It is distolateral that wherein coal filling hole 1 is positioned at 2 tops of being supported by support girder steel 17, fluidized classification chamber, upper strata, and be furnished with rotary discharger 10 quantitative and even pan feedings; The top of lower floor fluidisation dry classification chamber 7 is the air distribution plate 11 of fluidisation dry classification chamber, upper strata, itself and horizontal plane have 10 ° of angles and have blast cap 25, the outer of the air distribution plate 11 of fluidisation dry classification chamber, upper strata to around extend widely to go out lower floor fluidisation dry classification chamber 7 and be provided with rinforcement bar, its outer links to each other with last drive unit pedestal 15 by transmission device 5 and support spring 20, transmission device 5 links to each other with drive motors 6 and all is fixed on the drive unit pedestal 15, last drive unit pedestal 15 supports by supporting girder steel 17, air distribution plate 11 upper surfaces of fluidisation dry classification chamber, upper strata are with inclination striker plate 4, itself and fluidized classification chamber, upper strata 2 are flexible coupling, in striker plate postmedian position, both sides air-out material mouth 13 is arranged, parallel with air distribution plate, size and adjustable height, be provided with fixing polylith arc Bed for Fine Coal scraper plate 22 with air-out material mouth 13 corresponding air distribution plate tops, its lower edge is concordant with air-out material mouth 13 upper edges, air distribution plate 11 discharge ends of fluidisation dry classification chamber, upper strata are provided with big beans outlet 26, big beans outlet 26 links to each other with the big coal grain cushion seal feed bin that the bottom is provided with by flexible connection structure 3, and this big coal grain cushion seal feed bin is by rotary discharger 10 quantitative dischargings;
Air-out material mouth 13 is flexible coupling by flexible connection structure 3 with gas material separation chamber 14 by gas material conduit 23, top, gas material separation chamber is provided with air outlet 12, the bottom connects rotary discharger 10 quantitative dischargings and feeds in the lower floor fluidisation dry classification chamber 7 by blanking conduit 16, blanking conduit 16 is flexible coupling by flexible connection structure 3 with lower floor fluidisation dry classification chamber 7, and the even horizontal distribution of the mouth of pipe is above the air distribution plate 19 of lower floor fluidisation dry classification chamber;
The top of all pressing bellows 18 that has air inlet 21 is the air distribution plate 19 of lower floor fluidisation dry classification chamber, itself and horizontal plane have 10 ° of angles and have blast cap 25, air distribution plate 19 ends in lower floor fluidisation dry classification chamber are provided with big beans outlet 26, big beans outlet 26 links to each other with the big coal grain cushion seal feed bin that the bottom is provided with by flexible connection structure 3, this big coal grain cushion seal feed bin is by rotary discharger 10 quantitative dischargings, the top of big beans outlet 26 is provided with Bed for Fine Coal passage 8, Bed for Fine Coal passage 8 is flexible coupling by flexible connection structure 3 with Bed for Fine Coal cushion seal feed bin 9, and the bottom of Bed for Fine Coal cushion seal feed bin 9 is provided with rotary discharger 10;
Following drive unit pedestal 24 is arranged at and all presses bellows 18 belows, and links to each other with all pressing bellows 18 by transmission device 5 and support spring 20, and drive motors 6 is fixed on down on the drive unit pedestal and drives the body vibration of leaving the bed by transmission device 5;
One circle flexible connection structure 3 is arranged on the locular wall around the lower floor fluidisation dry classification chamber 7, and this flexible connection structure can make the vibration of air distribution plate 19 of air distribution plate 11, the lower floor fluidisation dry classification chamber of fluid bed dry classification chamber, upper strata be independent of each other.
The utility model can realize realizing when coal for coking moisture is regulated efficiently separating of big grade coal charge and granule level coal charge, and structure is simple relatively, and the reasonable use that is flexible coupling in a large number also is beneficial to the realization equipment enlarging when making energy consumption reduce.
Operation principle: after wet coking coal enters fluidisation dry classification chamber, upper strata by charging aperture, under the exciting force effect that thermal current and upper strata oscillation drive from lower floor fluidisation dry classification chamber produce, on the air distribution plate of upper strata, advance with the fluidisation attitude, the coal that grade is little will be positioned at the upper strata of the fluidisation bed of material, the meeting that grade is big is positioned at lower floor, when arriving material scraping plate big sized coal under material scraping plate by moving on, in the terminal discharge of air distribution plate, be positioned at the little coal of upper strata grade the cooperation of material scraping plate and air-out gravitation with under enter gas material separation chamber, Bed for Fine Coal after separating in gas material separation chamber is fallen on the air distribution plate of lower floor fluidisation dry classification chamber by the control of power device for discharging, in indoor further classification of lower floor's fluidisation dry classification and damping, thereby finally realize the high-effective classifying and the damping of coking coal.
Drying effect and energy consumption test:
Experiment shows when this device reaches coking coal damping purpose (moisture is controlled at about 6%), remove dust quantity less than 2%, and the individual layer vibrated bed removes dust quantity greater than 5%;
Compare with common double-deck vibrated fluidized bed, its vibrational loading has reduced more than 20%, thereby vibrational energy depletion few nearly 1/5;
Gas discharge temperature is controlled at and is higher than in 20 ℃ of the wet coal temperature, and individual layer bed effluent air temp generally is higher than wet coal temperature more than 35 ℃, and exhaust steam moisture is near saturated, therefore dry gas heat energy is fully used, for about 200 ℃ dry gas, 25 ℃ raw coal, dry efficiency improves more than 10%.
Upper bed can be isolated in the raw coal about 40% big sized coal, and (the comprehensive moisture of this part coal is generally less than 5%, do not need the high-temperature gas drying), lower floor's bed is handled the coal amount and is reduced accordingly, so same bed gross area, look its disposal ability of concrete condition and improve 10%~25%, for example when 200 ℃ of dry sources of the gas, individual layer vibrated bed processing moisture is 10% coking coal, general maximum can only reach about 100 tons/hour, reach more than 220 tons/hour and adopt this device technique that separate unit treating capacity ability is improved, can satisfy the needs of 6 meters tops, 1 group two 55 holes dress coke oven fully.
Embodiment 2
As embodiment 1 described double-layered vibrating fluidized-bed drying-classification apparatus, its difference is that the air distribution plate 19 and the horizontal plane of the air distribution plate 11 of fluidisation dry classification chamber, upper strata and lower floor fluidisation dry classification chamber have 20 ° of angles.

Claims (10)

1. double-layered vibrating fluidized-bed drying-classification apparatus, it comprises the support girder steel, the fluidized drying grading room, coal filling hole, big coal grain outlet, Bed for Fine Coal cushion seal feed bin, the fluidized drying grading room links to each other with the support girder steel, coal filling hole, big coal grain outlet and Bed for Fine Coal cushion seal feed bin are connected with the fluidized drying grading room respectively, it is characterized in that, the fluidized bed drying grading room is the airtight chamber that is made of fluidisation dry classification chamber, upper strata that is arranged at top and the lower floor fluidisation dry classification chamber that is arranged at the bottom, fluidized bed drying grading room bottom is provided with all presses bellows, the air distribution plate discharge end of fluidisation dry classification chamber, upper strata is provided with big coal grain outlet, the Bed for Fine Coal scraper plate discharge end of fluidisation dry classification chamber, upper strata is connected with the air-out material mouth of gas material separation chamber by gas material conduit, the blanking conduit outlet of gas material separation chamber is arranged at the feed end of the air distribution plate of lower floor fluidisation dry classification chamber, on the discharge end of the air distribution plate of lower floor fluidisation dry classification chamber, vertically be provided with Bed for Fine Coal passage and big coal grain outlet down, the Bed for Fine Coal passage links to each other with Bed for Fine Coal cushion seal feed bin.
2. double-layered vibrating fluidized-bed drying-classification apparatus as claimed in claim 1, it is characterized in that, the feed end of the air distribution plate of fluidisation dry classification chamber, described upper strata and lower floor fluidisation dry classification chamber all is higher than discharge end, angle between air distribution plate and the horizontal plane is 5 °~30 °, be provided with blast cap on the air distribution plate, be provided with the inclination striker plate around the air distribution plate.
3. double-layered vibrating fluidized-bed drying-classification apparatus as claimed in claim 1, it is characterized in that, between described Bed for Fine Coal scraper plate discharge end and the gas material separation chamber, between Bed for Fine Coal cushion seal feed bin and the fluidized drying grading room, between lower floor fluidisation dry classification chamber and the fluidisation dry classification chamber, upper strata, all adopt flexible connection structure to be connected between the air distribution plate of fluidisation dry classification chamber, upper strata and the fluidisation dry classification chamber, upper strata.
4. double-layered vibrating fluidized-bed drying-classification apparatus as claimed in claim 1 is characterized in that, described Bed for Fine Coal passage width is identical with big beans outlet, and the Bed for Fine Coal passage is connected with height adjustment mechanism.
5. double-layered vibrating fluidized-bed drying-classification apparatus as claimed in claim 1, it is characterized in that, the air distribution plate of fluidisation dry classification chamber, described upper strata is connected with drive unit, all press the bellows bottom to be provided with down drive unit, last drive unit is made up of drive motors, transmission device, support spring and last drive unit pedestal, drive motors is connected with transmission device, and transmission device is connected with support spring, and support spring is fixedlyed connected with last drive unit pedestal; Following drive unit is made up of drive motors, transmission device, support spring and following drive unit pedestal, and drive motors is connected with transmission device, and transmission device is connected with support spring, and support spring is fixedlyed connected with following drive unit pedestal.
6. double-layered vibrating fluidized-bed drying-classification apparatus as claimed in claim 1 is characterized in that, described big coal grain outlet is connected with big coal grain cushion seal feed bin.
7. double-layered vibrating fluidized-bed drying-classification apparatus as claimed in claim 1 is characterized in that, the blanking conduit outlet of described Bed for Fine Coal cushion seal feed bin, the big gentle material of coal grain cushion seal feed bin separation chamber is provided with rotary discharger.
8. double-layered vibrating fluidized-bed drying-classification apparatus as claimed in claim 1 is characterized in that, described Bed for Fine Coal scraper plate parallels with fluidisation dry classification chamber, upper strata air distribution plate.
9. double-layered vibrating fluidized-bed drying-classification apparatus as claimed in claim 1 is characterized in that, top, gentle material separation chamber, described fluidized drying grading room top is provided with air outlet.
10. double-layered vibrating fluidized-bed drying-classification apparatus as claimed in claim 1 is characterized in that, described Bed for Fine Coal cushion seal feed bin, bottom, big coal grain cushion seal feed bin gentle material separation chamber are the plenum chamber of taper.
CN201020171185XU 2010-04-27 2010-04-27 Double-layer vibration fluidized bed drying classified device Expired - Lifetime CN201653072U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101825390A (en) * 2010-04-27 2010-09-08 莱芜钢铁集团有限公司 Double-layered vibrating fluidized-bed drying-classification apparatus
CN102297569A (en) * 2011-07-31 2011-12-28 任寿鹏 Reciprocating type fluidized bed dryer
CN110940155A (en) * 2019-12-06 2020-03-31 卢添胜 Fluffy drying equipment of washing thick liquid of sanitary towel production line

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101825390A (en) * 2010-04-27 2010-09-08 莱芜钢铁集团有限公司 Double-layered vibrating fluidized-bed drying-classification apparatus
CN102297569A (en) * 2011-07-31 2011-12-28 任寿鹏 Reciprocating type fluidized bed dryer
CN110940155A (en) * 2019-12-06 2020-03-31 卢添胜 Fluffy drying equipment of washing thick liquid of sanitary towel production line
CN110940155B (en) * 2019-12-06 2020-11-24 义乌市倩飞科技有限公司 Fluffy drying equipment of washing thick liquid of sanitary towel production line

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Granted publication date: 20101124

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