CN2160641Y

CN2160641Y - Sealed coal drop with duster

Info

Publication number: CN2160641Y
Application number: CN 92239226
Authority: CN
Inventors: 何新法
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-10-28
Filing date: 1992-10-28
Publication date: 1994-04-06
Anticipated expiration: 2002-10-28

Abstract

The utility model relates to a chain bucket type coal drop with dusters, composed of a support frame, a running gear, a chain bucket vertical lifting device, a belt conveyer with adjustable amplitude, a dynamic motor, an operation console, a lifting sealing cover, a conveyor sealing cover, a material dropping dust cover, a lifting part duster and a material dropping conveying part duster. The motive force of the motor is used for driving the chain bucket to move back and forth through speed variation. Raw coal in a carriage can be lifted and turned over into the belt conveyer and delivered out of the carriage for dropping. At the same time, coal dust can be blocked by the sealing cover for preventing dust flying. In addition, negative pressure generated by every duster in the covers can suck in dusty air, and the air can be exhausted through dust removing filtration. Thus, the purposes of coal dropping and dust prevention are achieved.

Description

Sealed coal drop with duster

The utility model relates to a kind of chain bucket coal unloader, and particularly a kind of closed chain bucket coal unloader that has dust collector is applicable to that railway goods yard unloads coal.

At present railway applications is in the chain-bucket coal unloader of the heap cargo operation that looses, owing to do not pay attention to the air ambient protection in the past, technical do not have a dedusting function; therefore when operation; coal dust flies upward, and black mist is soaring, and strong wind one blows; a few kilometer range internal contaminations are very serious; cause the direct intervention of resident and environmental protection supervisory management zone, applying unit is imposed a fine in accordance with the law, stop using and wait processing; well behaved coal unloader can not be played a role, have a strong impact on the economic benefit of railway operation and the sale benefit of producer.The present utility model is proposed for this reason to solve dust removal problem.

The purpose of this utility model is that a kind of closed chain bucket coal unloader that has dust collector will be provided, so that actv. prevents that coal dust from outwards flying upward and protect ambient atmosphere when operation.

The purpose of this utility model is achieved in that chain bucket bont and the horizontal belt feedway that keeps original vertical-lift on the chain-bucket coal unloader that uses at present, the functional component of unloading coal substantially such as walking part etc. voluntarily, and by following repacking with increase the dress scheme:

First, main support in the steel structure is extended along the parallel survey beam of rail, form " well " shape support, band conveyor is moved into side in the support, and and the chain bucket bont be fixedly connected on together on the jacking system, make the band conveyor also can oscilaltion, and separablely go out one section on head with movable secondary the connection, form the lifting of circular arc luffing, dual mode is to reduce drop.

The second, the section of connecting material of chain bucket bont and horizontal belt feedway is sealed with sheet material, constitute the lifting parts seal bootr.Its purpose one is that chain bucket bont and band conveyor interlude all are enclosed in the cover, covers the dirt source, does not outwards fly upward; The 2nd, the isolating exterior barometric pressure provides the pipeline effect for produce negative pressure air draught road with the dust exhaustor blower fan in cover.

The 3rd, the overhanging part of band conveyor also with other materials such as metal sheet or glass fibre steel watt plates, is done skeleton by angle steel to be closed, constitute a conveyer seal bootr.One of purpose is to cover the dirt source outwards not fly upward; The 2nd, the isolating exterior barometric pressure provides the pipeline effect for produce negative pressure air draught road with the dust exhaustor blower fan in cover.

The 4th, below band conveyor head blanking port, under supporting, skeleton adorns a blanking port dust boot with soft materials such as metal sheet or nylon, fiber cloth.Retractor device is housed on the cover, can makes cover body flexible up and down by operation along with the height of dump.One of purpose is that does not outwards fly upward in the dirt source that covers the blanking position; The 2nd, the isolating exterior barometric pressure provides the duct wall effect for produce negative pressure air draught road with the dust exhaustor blower fan in cover.

The 5th, install a blanking delivery section dust exhaustor additional at conveyer seal bootr head, to increase dust removing effects.This dust exhaustor can adopt the gravitational settling process of cleaning, or centrifugal separator process of cleaning, the bag type filtering process of cleaning, the wet fog process of cleaning, Cottrell process, a kind of dust exhaustor that relatively is suitable in these conventional dust exhaustors of supersonic dust removal method, the wet fog dust exhaustor that example constitutes with water tank, high-pressure hydraulic pump, spraying water nozzle.The water tank water pump all is installed on the support, only a plurality of nozzles is drawn to be contained on the blanking port dust boot or on the feedboard, forms a wet fog and sprays net and seal coal dust and outwards do not fly upward.Attention is pressed into aerosolization with the water height.But with the bag type filtering dust exhaustor is optimum.Embodiment adopts this dust exhaustor narration.It is to adorn a bag type filtering dust exhaustor in band conveyor seal bootr above-head, ventilation inlet is connected with the inside of blanking port dust boot and conveyer dust boot, under the buffer action of cover wall, by the blower fan air draught power in the dust exhaustor, make and produce a negative pressure in the seal bootr, change the direction that coal dust flies upward, the air draught road flows in export-oriented cover from covering to guide it, and cleaned air is discharged in the back of gathering dust after filtration at last.In order not block filter, the laying dust clearing device of one-period swing or blast blowback also is housed in dust exhaustor, regularly remove laying dust.Can play the standard that flying dust can not pick up normal coal charge again in order to control negative-pressure air power, draught indicator also is housed with indication.Blast can calculate according to formula.The dust exhaustor ventilation inlet also is fitted with the air baker, makes the air intake drying, prevents the laying dust bonding.

The 6th, also install one or more bag type filtering dust exhaustors additional at the top of lifting parts seal bootr.Theory structure and effect are identical with the 5th. one.Be that processed position changes the interior space flying dust of vertical-lift seal bootr into.Can be with reference to aforementioned.

The 7th because band conveyor is moved in the support, make support curb girder lengthening after, must increase by four heavy burden road wheels; In the operation room, increase the electric controling switch that these increase the dress parts simultaneously.

The utility model gets final product because increase the elevating function of dress seal bootr and dust exhaustor and repacking band conveyor on original conventional coal unloader, original basic element of character and work functions all can keep, its point of view changes the flying dust direction after being to stop flying dust and closed dust source, be directed to the dedusting function of discharging behind the filter, and minimizing drop, therefore, no matter be to produce again or on former machine, reequip, implement all more convenient easily.Compare with original coal unloader, have the advantage of proofing dust and protecting environment.

The concrete structure of utility model is provided by following examples and accompanying drawing thereof.

Fig. 1 is that the positive TV structure of the utility model embodiment cuts open figure.

Fig. 2 is that the side-looking structure of the utility model embodiment is cutd open figure.

1 is the blanking port dust boot among the figure, the 2nd, and retractor device, the 3rd, negative pressure air draught road, the 4th, blanking port, the 5th, blanking delivery section dust exhaustor, the 6th, operation room, the 7th, well shape support, the 8th, lifting parts seal bootr, the 9th, lifting parts dust exhaustor, the 10th, lifting parts negative pressure air draught road, the 11st, chain bucket, the 12nd, band conveyor, the 13rd, conveyer motor and speed change, the 14th, conveyer seal bootr, the 15th, A-frame, the 16th, lifting motor and speed change, the 17th, the charging scraper plate, the 18th, compartment, the 19th, movable motor and speed change, the 20th, road wheel, the 21st, walking beam, the 22nd, ascending stair, the 23rd, chain bucket motor and speed change, the 24th, sprocket wheel, the 25th, crane, the 26th, luffing lifting transmission, the 27th, lifting roller, the 28th, riser guide.

By movable motor and speed change 19, road wheel 20, walking beam 21 constitute the full machine main structure partly of walking voluntarily.Wherein move in the support because of band conveyor, the length of walking beam 21 will add the width dimensions of band conveyor, road wheel 20 also increases by four bearing wheeds than the quantity of routine simultaneously, and the structure of other each part of example and shape, interrelation etc. are all identical with conventional machine.

Well shape support 7 is girder steel framves of a groined type, all the other identical with conventional machine all except that curb girder lengthening, by same spline structure, be installed in the top of walking beam 21, under cooperating, ascending stair 22 constitutes the main frame of full machine, to support full machine parts, ascending stair 22 usefulness band irons are welded, and are welded on the both sides mullion foreign side of well shape support 7.

Be installed in electric control switch and low-voltage electrical apparatus that each working part is housed in the operation room 6 of well shape support 7 middle parts one side by welded structure, power supply by overhead wire or roller from receiving the cable input.It is identical with conventional machine to control each block construction by control desk.

By chain bucket motor and speed change 23, sprocket wheel 24, charging scraper plate 17, chain bucket 11 constitute chain bucket elevator partly.This structure partly, part, chain bucket elevator is identical in interrelation and the conventional coal unloader.

By band conveyor 12, carry motor and speed change 13, conveyer seal bootr 14, blanking port 4, A-frame 15 constitutes horizontal conveyer partly, finishes the coal charge horizontal transfer work that chain bucket 11 ploughs under band conveyor 12.12 with 13 identical with conventional coal unloader, be characterised in that being equipped with one around the outside of band conveyor 12 is fastened on conveyer seal bootr 14 on the band conveyor 12 outside former steel frames by sheet metal or glass mat etc. by weldering riveting or Luo silk fastening means; And make of the cooperation of whole band conveyor device by spider 15, with weldering or riveting, fastener constructions and crane 25 link into an integrated entity.Conveyer seal bootr 14 is on the steel frame of original conveyer, watt waits other can seal the closed shell cover body that coal dust and water repellant material are processed into metal sheet or glass fibre steel.Structure by weldering or riveting, fastener is connected with former conveyer steel frame, and the below of at both ends head has blanking port 4, so that blanking.The position mainly is the part of stretching out support 7 at band conveyor 12.(middle one section has been sealed by lifting parts seal bootr 8 in support.) one of purpose is that the coal dust that stops this position does not outwards fly upward; Two of purpose is that the dirt source and the external pressure that cover this position are isolated, and plays the tube wall effect in negative pressure air draught road 3.A-frame 15 is processed by angle steel, is fixed on the crane 25 by weldering or riveting, fastener, and with 25 link into an integrated entity can be along with oscilaltion, and by 15 weight that support parts such as 12,13,14 overhanging parts and 1,2,3,4,5.At special occasions, one section on the head of band conveyor 12, available another kind of embodiment promptly connects with movable auxiliary structure, and the stretching cooperation by steel cable makes it to have the performance of circular arc luffing, with further reduction drop.

By crane 25, luffing lifting transmission 26, lifting roller 27, riser guide 28, lifting motor and speed change 16 constitute the lifting luffing device, finish gig and band conveyor oscilaltion work.Power of motor in lifting motor and the speed change 16 will suitably increase, and change-speed box machine routinely uses.16 power that produce are by steel cable, and the stretching of the rotation 26 that pulley is formed drives the crane 25 that is made of girder steel, lifting roller 27 on the riser guide 28 that is fixed on support 7 inboards along the direct limit oscilaltion action of arrow D.The band conveyor of changing conventional coal unloader partly can not the luffing lifting and make drop very big, produces the too many shortcoming of coal dust.

Wherein the structural relation of each parts is: crane 25 is welded on the skeleton that constitutes a side on the mullion by three I-beam section crossbeams, and both sides need same two covers.Two of mullion is by the driving wheel of dress chain bucket elevator and the wheel shaft of flower wheel, and length equals distance between the former gig two axles.Whole band conveyor part and A-frame are fixed on cross sill and the center member, and entablatrance is captiveed joint with the steel cable in the luffing lifting transmission 26.The two ends of three crossbeams all are connected with lifting roller 27 by bearing arrangement, and by 27 circumference tread and riser guide 28 frictional engagement that are welded on the mullion inboard of support 7.Luffing lifting transmission 26 is made of steel cable and deflection sheave, and the steel cable two ends are separately fixed in 25 the entablatrance and chain bucket motor and speed change 23.

Below the blanking port 4 of conveyer seal bootr 14 heads, the blanking port dust boot 1 of a underslung band retractor device 2 is housed by fastener constructions also.Head at conveyer seal bootr 14 also is equipped with a blanking delivery section dust exhaustor 5 by fastener constructions, and 5 ventilation inlet is connected with space in conveyer seal bootr 14 and the blanking port dust boot 1, constitutes a negative pressure air draught road 3.By blanking port dust boot 1, retractor device 2, negative pressure air draught road 3 under the cooperation of blanking delivery section dust exhaustor and conveyer dust boot 14, constitutes blanking and delivery site dust collector.The illustrated embodiment structure is to adopt the bag type filtering dust exhaustor to serve as 5 function.If use other conventional dust exhaustor instead, then structurally should corresponding change.The bag type filtering dust exhaustor is by protective case, and component set-ups such as dust collecting sleeve, blower fan, draught indicator, laying dust scrubber, air drying plant are filtered in the negative pressure air channel.The technology of dust exhaustor itself belongs to the routine techniques in environmental protection dedusting technology field, sketch in conjunction with the embodiments at this: because wall and the wall of conveyer seal bootr 14 and the basis that external pressure is isolated of dust boot 1 are arranged, the suction that blower fan is produced forms a negative pressure air draught road 3 in 1 and 14 cover, the direction of arrow along 3, band dirt air flows outside to inside from cover, during through bag filter coal dust is collected, and cleaned air stream is discharged from blower fan, finish dedusting function, interior pressure can be according to material flow, the formula of factors such as space calculates also and adjusts, and indicates from draught indicator, and the standard of its blast is can pick up flying dust to flow and can not pick up the coal grain and be as the criterion.Formula is: 4 * material flow.

In the control of dust process, laying dust scrubber periodic wobble filter or blowback filter prevent the flying dust bonding and blocking filter.When there was dampness in the air, air drying plant prevented the flying dust bonding and blocking filter with the air intake drying.When use in the not really high area of environmental demands, also can omit this dust exhaustor, only use seal bootr to prevent dust and get final product.Its structure is seen diagram, and 1 stuck-at-, 4 heads and 4 periphery, coal charge drop on the middle part in 1, and space in 1 and 14 space then form negative pressure air draught road 3; Blanking delivery section dust exhaustor is contained in 14 above-head.It is tapered that 1 material-structure can adopt soft materials such as nylon, fibre knitting cloth to do, and supported by metallic framework, and stretch by rope and to constitute retractor device 2, carries out upper and lower volume along the direct limit of arrow B and stretch, and covers dump.Also but hard material such as the available metal plate case that is processed into nested type is finished.

Also a lifting parts seal bootr 8 that is made of sheet material is housed on the outer steel framework of or " well " shape support 7 outside by weldering or riveting, fastener fastening structure at the bont of formations such as chain bucket elevator, in the outside of lifting parts seal bootr 8 lifting parts dust exhaustor 9 is housed, and the ventilation inlet that makes lifting parts dust exhaustor 9 is connected with 8 inside, constitutes a lifting parts negative pressure air draught road 10.By lifting parts seal bootr 8, lifting parts dust exhaustor and lifting parts negative pressure air draught road 10 constitute the dustproof dust collector of lifting parts, and principle of work is identical with 5.The structure of lifting parts seal bootr 8, be to be fixed on the skeleton of well shape support 7 or bont with the connection mode of metal sheet by weldering, riveting or fastener, make whole well shape internal stent space all seal isolation, or only the interlude of gig and band conveyor being enclosed in 8 inside, does not outwards fly upward in the dirt source that covers this position.And 8 inner space forms lifting parts negative pressure air draught road 10 under the suction of blower fan, and the direction of arrow along 10 enters 9 and discharges after filtering.9 are contained in 7 or 8 top, also can a plurality ofly install, to strengthen dust removing effects.

Claims

1, a kind of chain-bucket coal unloader, particularly with the closed chain bucket coal unloader of dust collector, this machine has one by chain bucket 11, chain bucket motor and speed change 23, sprocket wheel 24, the conventional chain bucket bont that charging scraper plate 17 constitutes, there is one by band conveyor 12, carry motor and speed change 13, the horizontal belt feedway that A-frame 15 constitutes, also has one by well shape support 7, ascending stair 22, the conventional bracket steel structure that operation room 6 constitutes, and by movable motor and speed change 19, road wheel 20, the traveling gear voluntarily that walking beam 21 constitutes and by lifting motor and speed change 16, crane 25, lifting transmission 26, lifting roller 27, the conventional jacking system that riser guide 28 constitutes; A conveyer seal bootr 14 that is fastened on the band conveyor 12 outside former steel frames is equipped with all around in the outside that it is characterized in that band conveyor 12, and makes the cooperation of whole belt conveyor by A-frame 15, links into an integrated entity with crane 25; A blanking port dust boot 1 also is equipped with in the below of the blanking port 4 of conveyer seal bootr 14 heads; Head at conveyer seal bootr 14 also is equipped with a blanking delivery section dust exhaustor 5, and 5 ventilation inlet is connected with space in conveyer seal bootr 14 and the blanking port dust boot 1, constitutes a negative pressure air draught road 3; On the outside steelframe of chain bucket bont, a lifting parts seal bootr 8 that is made of sheet material is housed also; In the outside of lifting parts seal bootr 8 lifting parts dust exhaustor 9 is housed, and the ventilation inlet that makes lifting parts dust exhaustor 9 is connected with 8 inner space, constitutes a lifting parts negative pressure air draught road 10.

2, according to the described coal unloader of claim 1, it is characterized in that band conveyor 12 and crane 25 fuse, a section of its head blanking place connects with movable auxiliary structure.