CN207841090U - A kind of shot-blast cleaning machine impeller head - Google Patents

Abstract

The utility model discloses a shot blaster for a shot blasting cleaning machine, which comprises a shell, an impeller disc, and a shot wheel and an orientation sleeve are installed in the center of the two impeller discs, the orientation sleeve is fixedly installed through the shell, and the shell There is a motor on one side of the body, one end of the shot wheel is fixedly installed with the motor and the impeller disc, the other end of the shot wheel is facing the shot tube, and the shot blasting blades are arranged on the periphery of the directional sleeve, and the shot wheel includes a shot wheel The body, the shot-splitting wheel body has a shot-splitting window, and the shot-splitting wheel body is also provided with a shot-splitting wheel blade, which separates each shot-splitting window; a fan-shaped space is formed between the shot-splitting wheel blade and the directional sleeve. After adopting the above-mentioned structure, the shot blasting is very smooth, and the shot blasting force is strong in the whole shot blasting process, which avoids the phenomenon of shot blocking and improves the shot blasting effect; greatly improves the utilization rate of the shot blasting blade and the service life of the shot blasting blade , The overall structure design is reasonable, the disassembly and assembly are quick and convenient, which greatly reduces the labor intensity of workers and improves work efficiency.

Description

A shot blasting device for a shot blasting cleaning machine

technical field

The utility model belongs to the technical field of mechanical manufacturing, in particular to a shot blaster for a shot blast cleaning machine.

Background technique

The shot blaster is a common equipment used in casting, metallurgy, machining and other industries to process parts; the existing linear blade shot blaster has the following major defects:

First, the blades are of straight type, the blade utilization rate is low, and the structure of the blades leads to uneven wear of the working surface of the blades; second, the shot separation wheel is a traditional common structure, which is easy to cause the phenomenon of shot blocking during the shot feeding process ; The 3rd, the end guard plate of one side that shot blasting machine is connected with motor is integral structural form, disassembly and installation process are very troublesome, have expended a large amount of working hours of workers; Efficiency, high quality and other requirements, therefore, it is necessary to design a new type of shot blasting machine that is more in line with production requirements.

The operation method of the traditional shot blasting machine usually needs to manually hang the workpiece into the shot blasting room, then perform the shot blasting, and then manually take out the workpiece. The whole process requires a special person to wait for the operation, which is labor intensive and low in efficiency. The shot blasting wheels inside the machine are arranged up and down on one side, which will inevitably lead to incomplete shot blasting of the workpiece and affect the quality of the workpiece.

Utility model content

Purpose of the utility model: The purpose of this utility model is to solve the deficiencies in the prior art and provide a shot blasting machine for a shot blasting machine, which greatly improves the utilization rate of the shot blasting blade and the service life of the shot blasting blade. The overall structure Reasonable design, fast and convenient disassembly and assembly, which greatly reduces the labor intensity of workers and improves work efficiency.

Technical solution: A shot blasting device for a shot blasting machine according to the utility model includes a shot blasting machine and a shot blasting device. mechanism, feeder, and lift gate;

The shot blasting cleaning room is composed of a chamber shell, a chamber roof and indoor protection. The bottom of the chamber shell is equipped with a screw conveyor, and the interior is equipped with a crawler and a transmission mechanism. The top is fixed with a shot blaster;

The shot circulation system is composed of two parts: a shot circulation system and a shot separation and purification system; the shot circulation system is composed of a lower screw conveyor, a bucket elevator, a separator, and a shot controller. The purification system is composed of a magnetic separation separator, a sand storage box, and a suction duct;

The crawler belt and the transmission mechanism are composed of a chain ring and a track shoe mounted on the chain ring to form a closed crawler structure. The crawler structure surrounds a pair of circular end plates, forming a roller in space, and it is moved by octagonal wheels;

The feeding machine is composed of a supporting frame, a turning frame, a feeding hopper, a reel and a driving mechanism;

The lifting door is pulled up and down by the wire rope through the reel at the top to achieve the door opening and closing operation;

The shot blaster includes a housing, a pair of impeller discs for installing the blasting blades are arranged in the housing, and the center of the two impeller discs is also equipped with a blasting wheel and an orientation wheel installed on the periphery of the blasting wheel. The directional sleeve is fixedly installed through the housing, and one side of the housing is provided with a motor capable of driving the rotation of the impeller disc, and one end of the shot wheel is fixedly installed with the motor and the impeller disc and can follow the impeller The discs rotate synchronously, the other end of the shot-separating wheel faces the shot-feeding tube fixedly installed on the casing, and the shot-blasting blades are arranged on the periphery of the orientation sleeve and arranged between the two impeller discs along the circumferential direction. In between, the shot-splitting wheel includes a shot-splitting wheel body, and the shot-splitting wheel body has shot-splitting windows arranged along the circumferential direction, and the shot-splitting wheel body is also provided with a window longitudinally arranged on the outer circumference of the shot-splitting wheel body. The shot wheel blades, the shot wheel blades separate each window so that each shot window is located between every two shot wheel blades; a fan-shaped space is formed between the shot wheel blades and the orientation sleeve And it can make the shot material entering the shot blasting wheel diffuse into the fan-shaped space and then be thrown out through the shot blasting blade.

Further, the screw conveyor is composed of a mandrel, a screw blade, an end shaft, an end plate, a bearing with a seat, a dustproof device, a cycloid reducer and fasteners.

Further, the shaft mandrel of the screw conveyor is welded by carbon steel seamless steel pipe and quenched and tempered shaft head.

Further, the bucket elevator is composed of a cycloidal pinwheel reducer, upper and lower hubs, a conveyor belt, a hopper, a closed casing, an anti-reverse mechanism, a tensioning device and fasteners.

Further, it also includes a dust removal system, and the dust removal system adopts a back-blowing filter cartridge dust collector.

Further, the shot blasting blade is set as a cylindrical structure with a shot inlet and a shot outlet, the outer peripheral surface of the shot blasting blade is cylindrical, and the outer peripheral surface of the shot blasting blade is provided with positioning protrusions platform, the two impeller discs are provided with positioning grooves, and the shot blasting blades are positioned and installed between the two impeller discs through the positioning bosses and positioning grooves; the shape of the inner hole of the shot blasting blades is From the pill inlet to the pill outlet, it gradually narrows and the inner wall outline of the inner hole forms a circular arc in the longitudinal section.

Further, the impeller disk includes a main impeller disk fixedly installed with the motor on one side of the casing and an impeller auxiliary disk installed on the other side of the casing, and the positioning grooves are oppositely arranged on the main impeller disk and the impeller auxiliary disk On the disk, the shot blasting blade is positioned and installed through the positioning boss and the positioning grooves on the two impeller discs.

Further, the output shaft of the motor is provided with a combination disc, the shot wheel is provided with a positioning step, and the center of the main impeller disc is provided with a mounting hole matched with the positioning step, and the shot wheel is connected with the positioning step. The output shaft of the motor is fixedly connected and the main impeller disc is pressed between the shot wheel and the combination disc, and the main impeller disc and the combination disc are fixedly installed by fasteners.

Beneficial effect: adopting the shot blasting device of the utility model, the shot blasting is very smooth, and the shot blasting force is strong in the whole shot blasting process, which avoids the phenomenon of shot blocking and improves the shot blasting effect; greatly improves the utilization rate of shot blasting blades And the service life of the shot blasting blade, the overall structure design is reasonable, the disassembly and assembly are quick and convenient, which greatly reduces the labor intensity of workers and improves work efficiency.

The shot blasting cleaning machine of the utility model has a reasonable structural design and a high degree of automation, which solves the existing problem of manual feeding, greatly improves efficiency, and replaces manual single-opening doors with automatic lifting doors, reducing potential safety hazards.

Description of drawings

Fig. 1 is the structural front view of shot blasting machine of the present utility model;

Fig. 2 is the side view of Fig. 1;

Fig. 3 is a schematic diagram of the overall structure of the utility model high shot blasting device;

Fig. 4 is the structural representation of the shot wheel in the utility model;

Fig. 5 is a schematic diagram of the installation state of the shot blasting blade in the utility model.

Detailed ways

The technical solutions of the present invention will be further described in detail below in conjunction with specific embodiments.

The structure diagram of the shot blasting machine of the present invention as shown in Fig. 1 and Fig. 2 includes a shot blasting chamber 1, a shot blasting device 2, a ball circulation system, a crawler belt and a transmission mechanism, a feeder, and a lifting door.

The room system welding structure of the shot blasting cleaning room is composed of a room shell, a room roof and indoor protection. There is a screw conveyor 3 at the bottom of the room shell, and a crawler belt and its transmission mechanism are installed inside, and an end plate is installed at the end. There is a lifting door, the interior is protected by a wear-resistant guard plate, and the shot blasting machine is fixed on the roof.

The shot circulation purification system is mainly composed of two parts: the shot circulation system and the shot sorting purification system.

The shot material circulation system is composed of screw conveyor 3, bucket elevator 4, separator 5, shot material controller, etc.; the shot material separation and purification system is composed of magnetic separation separator, sand storage box, suction duct, etc.

The scattered projectiles thrown by the shot blaster are sent to the bucket elevator through the lower screw conveyor, and the bucket elevator lifts the shot and sundries to the upper part of the cleaning room, and then sent to the high-efficiency BE separator, after being air-selected by the BE separator , the dust and sundries are separated from the good shot material, and the good shot material enters the storage hopper for storage, to be used by the shot blaster.

The screw conveyor is composed of a mandrel, a spiral blade, an end shaft, an end plate, a bearing with a seat, a dustproof device, a cycloid reducer and various fasteners.

The shaft body of the screw conveyor is welded by high-quality carbon steel seamless steel pipe and quenched and tempered shaft head. The shape and installation dimensions are processed after welding to ensure the coaxiality, thereby avoiding the phenomenon of "big swing" caused by eccentricity.

The mandrel is made of cold-drawn steel pipe and welded with 45# steel shaft and then finished, which fully guarantees the overall coaxiality.

The transmission part of the screw conveyor is sprocket and chain transmission, and the drive selection is coaxial drive to ensure the stability of the transmission.

The end shaft part of the screw conveyor runs in dust-proof self-lubricating rolling bearings and is driven by a cycloidal pinwheel reducer.

The bucket elevator is composed of cycloidal pinwheel reducer, upper and lower hubs, conveyor belt, hopper, closed cover, anti-reversal mechanism, tensioning device and fasteners, etc.

The hoist cover adopts steel plate bending forming welding structure. The cover of the lower section of the hoist is equipped with an inspection door, which can be used to maintain and replace the hopper; open the bottom door of the lower cover to maintain the lower transmission and troubleshoot. This machine is driven by flat belt. When working, the hopper fixed on the conveyor belt scrapes up the shot material at the bottom of the elevator, driven by the power of the elevator, the shot material is sent to the top of the elevator, and then the shot material is dropped by centrifugal gravity, and the shot material is input into the shot sand separator.

In order to ensure that the conveyor belt does not slip during work, the wheel hub is equipped with a polyurethane anti-skid layer, which not only improves the friction between the transmission belt and the wheel hub, avoids the slipping phenomenon of the old-fashioned pulley, but also reduces the preload of the drive belt. Extends the life of the lifting tape. At the same time, the hoist is equipped with a set of tensioning device. When the belt is loose, the transmission belt is tensioned by adjusting the adjustment bolts on both sides of the upper part of the hoist.

The separator adopts an advanced curtain-type shot-sand separator. The shot-sand mixture is lifted to the separation area of the separator by the bucket elevator, and the mixture of shot, sand and dust is evenly distributed along the separator to form a flow curtain, so that the shot The sand is fully separated. During the descending process, the pellet-sand mixture is pushed by the horizontal airflow to the particles, thus forming a deflected curved trajectory. Due to the difference in the specific gravity and particle size of the particles, the degree of deflection is not the same, so that the pellets and slag can be separated. Dust is sucked into the dust collector for purification treatment, broken pills, sand, scale, etc. enter the waste storage hopper, and qualified projectiles and some small pieces of sundries are screened again and enter the pellet storage hopper for recycling. Its characteristics are:

(1) By adjusting the position of the locking limit door, the shot flow with uniform thickness and flow rate can be realized;

(2) The height of the wind separation separation zone is sized according to the design wind speed, which provides space for the effective separation of pellets and sundries;

(3) The winnowing control panel is located in the first separation zone;

(4) Two adjustable separation plates can efficiently separate particulate matter and critical size shot;

(5) Replaceable screen to achieve large debris retention;

(6) The broken projectiles are completely isolated and only good reusable shot materials flow into the shot storage hopper.

The crawler device mainly forms a closed track with 45 links and track shoes mounted on the link, which surrounds a pair of circular end plates 6, so that a roller is formed in space, and is moved by octagonal wheels. The movement of the workpiece makes the workpiece turn continuously, and the track can realize the forward and reverse rotation, the forward rotation is the cleaning work movement, and the reverse is the unloading movement.

The garden-shaped end plate makes the crawler form a roller, and the front of the end plate is equipped with a wear-resistant guard plate to prevent the projectile from hitting the chamber, and can make full use of the reflected energy of the projectile.

Feeding machine is made up of support frame, turning frame, feeding hopper 7, reel and driving mechanism 9. There are protective baffles on both sides of the support frame, and the support frame supports the turning frame. When the driving mechanism is driven, the chain hoist is pulled to make the hopper rise along the inner groove of the turning frame, and at the same time, the turning frame rotates around the fulcrum, so that the turning frame On the front support point of the cleaning chamber, the hopper continues to advance and pours the workpiece into the drum while rising. There is a rotary travel switch at the end of the drive shaft to limit the end point of the hopper's rise. After the hopper falls, an end travel switch gives a signal to indicate the completion of the action.

Lifting door 8 is to reach the purpose of opening and closing door by the reel 10 at the top by steel wire rope influence rise and fall. The rollers on the door open and close smoothly along the track groove, the door is surrounded by a labyrinth structure to prevent projectile leakage, and the baffle inside the door prevents workpieces from accumulating between the door and the track. The safety pin on the door is used for inserting in the provided hole and prevents the door from falling to ensure safety.

The shot blasting machine also includes a DEC-4 pulse blowback filter cartridge dust collector, which is mainly composed of a fan, air duct, shell, filter cartridge, and sedimentation mechanism. The dust removal efficiency is 99.5%, which meets the requirements of GB16297-1966 "Comprehensive Emission Standard of Air Pollutants" and GBJ14-73 Trial Standard for Industrial "Three Wastes" Emission. The life of the filter cartridge is about 1 year, which reduces the cost of equipment use, reduces the amount of maintenance and costs, and has a high dust removal effect, so that the air containing dust can be directly emptied after dust removal, without other purification equipment.

The structure of the shot blaster is shown in Figure 3 to Figure 5. It is mainly composed of the shot pipe 213, the shot wheel 25, the orientation sleeve 214, the impeller disc and the shot blasting blade 211 and other components. The gland 215 of the cover, the top, left and right sides, and front and rear sides of the inside of the shield are respectively equipped with a top guard 216, a left end guard 210, a right end guard 29, and a side guard 217, which are fixed to each other by compression screws. There are a pair of impeller discs for installing shot blasting blades. The center of the two impeller discs is also equipped with a shot wheel 25 and an orientation sleeve 214 installed on the periphery of the shot wheel. The orientation sleeve 214 is fixed and installed through the shell. One side of one side is provided with the motor 23 that can drive impeller disc to rotate, and motor is connected on the motor seat by connecting bolt, and motor seat is fixed on the right side of shot blasting machine shield by connecting bolt, and one end of blasting wheel 25 is connected with motor and impeller. The disc is fixedly installed and can rotate synchronously with the impeller disc, and the other end of the shot wheel 25 is facing the shot tube 213 fixedly installed on the shell, so that the front entrance of the shot wheel 25 is facing the shot tube 213, the effect of the shot pipe is to feed the pills to the shot wheel. The shot wheel 25 has a shot window, and the shot blast blades 211 are arranged on the periphery of the orientation sleeve 214 and arranged on the two impeller discs 26 along the circumferential direction. Between, that is to say that the orientation sleeve 214 is installed between the shot blasting wheel 25 and the shot blasting blade 211, does not rotate with the blasting wheel and the shot blasting blade, the orientation sleeve has an orientation port, and the angle of the orientation port can be adjusted. Adjusting the angle of orientation port can control the throwing direction of shot material, and the shot-splitting wheel 25 comprises a shot-splitting wheel body 220, which has a shot-splitting window 222 arranged in the circumferential direction on the shot-splitting wheel body 220, and the shot-splitting wheel body 220 also has The shot wheel blades 221 arranged longitudinally on the outer circumference of the shot wheel body are arranged, and the shot wheel blades 221 separate each window so that each shot window 222 is located between every two shot wheel blades 221 Form the fan-shaped space between the shot blasting wheel blade 221 and the orientation sleeve 214 and can make the shot material entering the shot shot wheel 24 diffuse into the fan-shaped space and then be thrown out by the shot blasting blade; Then it enters the fan-shaped space formed between the shot blasting wheel blade 221 and the directional sleeve 214, and then enters the shot blasting blade through the directional opening of the directional sleeve, and then rotates at a high speed with the shot blasting blade, and finally from The edge of the shot blasting blade is thrown out, thus forming a secondary acceleration process, which makes the diffusion smooth and avoids the phenomenon of material blocking.

Further, said shot blasting blade 211 is set as a cylindrical structure with a shot inlet and a shot outlet. The shot blasting blade 211 can also be called a tubular inner arc blade. The outer circumference of the shot blasting blade 211 The surface is cylindrical, and the outer circumferential surface of the shot blasting blade 211 is provided with a positioning boss, and the two impeller discs are provided with positioning grooves, and the shot blasting blade 211 is positioned and installed on the two impellers through the positioning boss and the positioning groove. Between the discs; the shape of the inner hole of the shot blasting blade 211 is gradually reduced from the shot inlet to the shot outlet and the inner wall contour line of the inner hole in the longitudinal section forms an arc; The shot inlets of the curved blades are aligned.

Preferably, the impeller disc includes a main impeller disc 26 fixedly installed with the motor on one side of the housing 21 and an impeller sub-disc 212 installed on the other side of the housing. It can be seen from the figure that the impeller sub-disc is connected by a connecting column On the left side of the main disc of the impeller, the positioning groove is relatively arranged on the main impeller disc 26 and the auxiliary disc 212 of the impeller, and the shot blasting blade 211 is positioned and installed through the positioning boss and the positioning grooves on the two impeller discs; The output shaft of motor 23 is provided with the combination dish 24 that cooperates with motor output shaft, is provided with positioning step on the shot wheel 25, and the center of main impeller disc 26 is provided with the mounting hole that cooperates with positioning step, and shot wheel 25 It is fixedly connected with the output shaft of the motor 23 and the main impeller disc 26 is pressed between the shot wheel 25 and the combination disc 24, and is fixedly installed between the main impeller disc 26 and the combination disc 24; 214 installation method, the gland 215 is provided with a ring groove, the directional sleeve 214 is provided with a compression step matched with the ring groove, and the shot tube is provided with a compression step matched with the compression step on the directional sleeve 214. On the tight side, the orienting sleeve 214 is fixedly installed on the gland by the pill feeding tube.

It works as follows:

In the initial state, the motor 23 drives the impeller main disk 26, the impeller auxiliary disk 212, the shot wheel 25, and the tubular inner arc blade 211 inserted between the impeller main disk 26 and the impeller auxiliary disk 212 Rotate, directional sleeve 214 is fixed on the shield 21 and does not move, the center of directional sleeve 214 directional mouth and the installation center of tube-type inner circular arc type blade 211 form an angle, and steel shot enters shot-splitting wheel 25 by entering shot pipe 213 simultaneously. On the center of the inner hole of the shot wheel body 220 or the shot wheel blade 221, the projectile is finally thrown out by the tubular inner arc blade 211 through the orienting sleeve 214 through the directional port of the centrifugal force; wherein, the tubular inner arc blade One side of the 211 working surface is worn and rotated at an angle of 30° to 45° and can continue to be used, and the symmetrically installed tubular inner arc blade 211 must be rotated at the same angle at the same time, and a piece of tubular inner arc blade 211 can be reused 5 ~6 times.

The above are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Any Those who are familiar with this profession, without departing from the scope of the technical solution of the present utility model, can use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but all without departing from the technical solution of the utility model Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (5)

1. a kind of shot-blast cleaning machine impeller head, it is characterised in that：Including shot-blast cleaning machine and impeller head, the shot-blast cleaning machine Including super shot blasting cleaning chamber, the pellet circulatory system, crawler belt and transmission mechanism, charger and overhead door；

The super shot blasting cleaning chamber is made of room shell, ceiling and indoor protection, and room shell bottom is equipped with auger conveyor, and inside is equipped with shoe Band and transmission mechanism, both ends are equipped with end plate, and front is equipped with overhead door, and ceiling is fixed with impeller head；

The pellet circulatory system is made of the pellet circulatory system and pellet sorting purification system two parts；The pellet circulatory system by Lower screw conveyor, bucket elevator, separator, pellet controller composition, pellet sort purification system by Magnet Separater, storage Sandbox, air-suction duct composition；

The crawler belt and transmission mechanism form a closed caterpillar belt structure, crawler belt knot by chain link and the creeper tread on chain link Structure is centered around on a pair of round end plate, forms a roller in space, and make its movement by octagonal wheel；

The charger is made of supporting rack, rollover stand, loading hopper, reel and driving mechanism；

The overhead door is affected to rise and fall by the reel at top by steel wire rope reaches switch door operation；

The impeller head includes shell, is arranged in shell for installing a pair of of impeller disk of throwing paddle, leaf described in two panels The center of wheel disk is also equipped with shot wheel and the orienting cover mounted on shot wheel periphery, and the orienting cover is fixed by shell Installation, the side of the shell are provided with the motor that can drive impeller disk rotational, one end of the shot wheel and motor and Impeller disk is fixedly mounted and can be rotated synchronously with impeller disk, fixed on the other end face shell of the shot wheel The entering pills apparatus of installation, throwing paddle setting orienting cover periphery and be along the circumferential direction arranged in impeller disk described in two panels it Between, the shot wheel includes shot wheel ontology, has that along the circumferential direction arranges to divide ball window on shot wheel ontology, described to divide ball The shot wheel blade in the excircle longitudinal arrangement of shot wheel ontology is additionally provided on wheel ontology, the shot wheel blade will be each Window separates so that each ball window is divided to be respectively positioned between every two panels shot wheel blade；The shot wheel blade and orienting cover Between form sector space and the pellet entered in shot wheel can be made to be diffused into sector space and then pass through throwing paddle It dishes out outward；

The throwing paddle is set as having into ball mouth and the tubular construction for going out ball mouth, and the outer circumference surface of the throwing paddle is column Shape, is provided with positioning convex platform on the outer circumference surface of the throwing paddle, and locating slot is provided on impeller disk described in two panels, described Throwing paddle is by positioning convex platform and locating slot location and installation between the impeller disk described in two panels；The endoporus of the throwing paddle Shape is from into ball mouth to going out, ball mouth is gradually reduced and the inner surface contour of its endoporus is linear in the arc-shaped from longitudinal profile；

The impeller disk includes being located at the main impeller disk and be mounted on shell other one that shell side is fixedly mounted with motor The impeller pair disk of side, locating slot are oppositely arranged on main impeller disk and impeller pair disk, and the throwing paddle passes through positioning Locating slot location and installation on impeller disk described in boss and two panels；

It is provided with conjoint disk outside the output shaft of the motor, positioning step, the main impeller disk are provided on the shot wheel Be provided centrally with the mounting hole coordinated with positioning step, the shot wheel is fixedly connected with the output shaft of motor and by main impeller Disk is pressed between shot wheel and conjoint disk, is fixedly mounted by fastener between the main impeller disk and conjoint disk.

2. a kind of shot-blast cleaning machine impeller head according to claim 1, it is characterised in that：The screw conveyor is by core Axis, helical blade, end axis, end plate, rolling bearing units, dust guard, cycloidal planetary gear speed reducer and fastener composition.

3. a kind of shot-blast cleaning machine impeller head according to claim 2, it is characterised in that：The axis of the screw conveyor Body mandrel is welded using carbon steel seamless steel tube with quenched spindle nose.

4. a kind of shot-blast cleaning machine impeller head according to claim 1, it is characterised in that：The bucket elevator is by putting Line pin gear speed reducer, upper lower hub, transportation rubber belt, hopper, closing case, anti-inversion organization and swelling device and fastener group At.

5. a kind of shot-blast cleaning machine impeller head according to claim 1, it is characterised in that：Further include dust pelletizing system, removes Dirt system uses and rushes blowback filter drum type precipitator.