CN201506951U

CN201506951U - Deduster for traction type road shot-blasting machines

Info

Publication number: CN201506951U
Application number: CN2009201877373U
Authority: CN
Inventors: 肖昌健
Original assignee: WUXI XIYU BAG DUSTEQUIPMENT CO Ltd
Current assignee: WUXI XIYU BAG DUSTEQUIPMENT CO Ltd
Priority date: 2009-09-21
Filing date: 2009-09-21
Publication date: 2010-06-16
Anticipated expiration: 2019-09-21

Abstract

The utility model relates to a deduster for traction type road shot-blasting machines, which comprises a case, and a partition is arranged in the case to divide the interior of the case into an upper air-cleaning chamber and a lower dust-collecting chamber; the air-cleaning chamber is connected with the suction opening of a fan through a conduit, a blasting tube is mounted in the air-cleaning chamber, and an air storage bag for high-pressure air is connected with the air inlet of the blasting tube via a pulse valve; filter bags are hermetically connected with the partition, and are hung in the dust-collecting chamber, and over the filter bags, nozzles are arranged on the blasting tube; the wall of the dust-collecting chamber is connected with an air inlet conduit for dusty air, the lower end of the dust-collecting chamber is connected with the inlet of a dust storage hopper, the outlet of the dust storage hopper is connected with the feed inlet of a screw conveyer, and the discharge outlet of the screw conveyer is connected with a discharger. The utility model can utilize the suction function of the fan to clean up concrete dust produced in the process of road shot blasting, carrying out dedusting, consequently, the bonding strength between a water-proof layer and a pavement concrete layer can be enhanced, and the service life of a bridge or a road can be prolonged.

Description

The deduster of towed highway shot-blasting machine

Technical field

The utility model relates to the road and bridge plant equipment, is specifically related to the highway shot-blasting machine.

Background technology

American-European countries has been extensive use of waterproofing course in the mating formation of rigid pavement and bridge floor since the seventies in 20th century, be sprayed at waterproofing materials on the layer of concrete equably, reduce the damage that rigid pavement and bridge cause owing to infiltration with this, prolong the application life of bridge.But increase along with the traffic volume, it is not enough and produce the situation of passing waterproofing course and rigid pavement and bridge floor binding strength to have occurred, and the water proofing property of waterproofing course reduces the back and seeps water, thereby causes loose concrete, come off, corrosion of steel bar etc., the application life of shortening rigid pavement and bridge.

Adopt up-to-date Shot Blasting technology, can laitance, impurity cleaning and the removing of concrete surface is clean, simultaneously concrete surface has been carried out the hacking processing, make its surperficial even roughness, improve the binding strength of waterproofing course and concrete base layer.The ramming head that the utilization of highway shot-blasting machine is rotated is at a high speed thrown to the rigid pavement at high speed with small shot, by means of the percussion of shot concrete surface is hit one by one little pockmark, to improve the binding strength of waterproofing course and concrete base layer.Existing highway shot-blasting machine generally places on the flat car, and flat car is by vehicle traction, and this shot-blasting machine is called towed highway shot-blasting machine.

In highway ball blast process, can produce a certain amount of dust between shot and the concrete surface, in order in time dust laitance, the impurity of concrete surface and the shot that is scattered to be cleaned out, just need deduster and shot retracting device, wherein deduster carries out the dedusting cleaning to the dust of concrete surface, and the shot retracting device reclaims the shot that is scattered.

The content of utility model

The purpose of this utility model is to provide a kind of deduster of towed highway shot-blasting machine, by the strong pumping effect of blower fan, the concrete dust that produces in the highway ball blast process is carried out the dedusting cleaning.After carrying out dustlessization processing, effectively increase the binding strength between waterproofing course and the rigid pavement, prolong the application life of bridge and highway.

The technical solution of the utility model is as follows:

A kind of deduster of towed highway shot-blasting machine comprises casing 18, and dividing plate 7 is set in the casing 18, will be divided into the air-purifying chamber 8 on top and the dust storage chamber 14 of bottom in the casing 18; Air-purifying chamber 8 is connected with the suction opeing of blower fan 10 by pipeline 9, and winding-up pipe 5 is installed in the air-purifying chamber 8, and the gas storage bag 3 of gases at high pressure connects the air inlet port of winding-up pipe 5 by pulse valve 4; Filter bag 11 is sealedly attached on the dividing plate 7, hangs in the dust storage chamber 14, and filter bag 11 tops are provided with nozzle 6 in winding-up pipe 5; Be connected with the intake stack 12 of dusty gas on the wall of dust storage chamber 14, the below of dust storage chamber 14 is connected with the import of storage ash bucket 16, and the outlet of storage ash bucket 16 is connected with the charging aperture of conveying worm 17, and the discharging opening of conveying worm 17 is connected with discharger 19.

Useful technique effect of the present utility model is:

The utility model is removed the concrete dust that produces in the highway ball blast process by the strong pumping effect of blower fan.The concrete dust enters casing through intake stack, after filter bag filters, dust accumulates in the filter bag external surface, along with dust is cumulative at the filter bag external surface, resistance of the filter bag is increasing, and air compressor starts at this moment, sprays into gases at high pressure through the pulse valve and the nozzle of managing upward setting of jetting to filter bag of dust collector inside, filter bag moment is outwards expanded, thereby shake off the dust of filter bag external surface.By the concrete dust that dust storage chamber reclaims, the conveying worm through storage ash bucket bottom enters discharger; Dust enters the storage ash bucket behind discharger.The utility model and highway shot-blasting machine are used, and the highway shot-blasting machine can be worked continuously, and carry out dustlessization processing, thereby increase the binding strength between waterproofing course and the rigid pavement, prolong the application life of bridge and highway.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described further.

Fig. 1 shows structure of the present utility model.As shown in Figure 1, the utility model comprises casing 18, and dividing plate 7 is arranged in the casing 18, and casing 18 inside are divided into the air-purifying chamber 8 on top and dust storage chamber 14 two parts of bottom; Air-purifying chamber 8 is connected with the suction opeing of blower fan 10 by pipeline 9, and winding-up pipe 5 is installed in the air-purifying chamber 8, and the gas storage bag 3 of gases at high pressure is by the air inlet port of pulse valve 4 connection winding-up pipes 5, and air compressor 1 is connected with gas storage bag 3 by pipeline 2; A plurality of filter bags 11 are fixedly connected on the dividing plate 7 by weather strip, and hang in the dust storage chamber 14, and each filter bag 11 top is provided with nozzle 6 in winding-up pipe 5, and nozzle 6 stretches in the filter bag 11, sealing around the nozzle 6; Be connected with the intake stack 12 of dusty gas on the wall of dust storage chamber 14, dust storage chamber 14 belows are connected with the import of storage ash bucket 16, and be welded into integral body, and the outlet of storage ash bucket 16 is connected with the charging aperture of conveying worm 17, and the discharging opening of conveying worm 17 is connected with discharger 19.

See Fig. 1, dust removal process of the present utility model is as follows:

The utility model and the supporting use of highway shot-blasting machine, in the highway shot-blasting machine course of work, shot impacts the swabbing action of rigid pavement dust that produces and the shot that is scattered through blower fan 10 of the present utility model, at first enter the eliminator of highway shot-blasting machine, shot is separated with the concrete dust, and the gas 13 that contains the concrete dust after separating enters in the dust storage chamber 14 from intake stack 12 of the present utility model.

The concrete dust particle 15 that enters dust storage chamber 14 is adsorbed on the external surface of filter bag 11 under the suction force effect of blower fan 10, and the pure air after filter bag 11 filters then enters in the atmosphere by blower fan 10 through pipeline 9.

Along with the dust granules 15 that is adsorbed on filter bag 11 external surfaces is cumulative, the resistance of filter bag 11 is increasing; In order to reduce the resistance of filter bag 11, need in time to clear up the dust granules 15 on filter bag 11 external surfaces.At this moment, air compressor 1 is supplied with gases at high pressure by pipeline 2 to gas storage bag 3; Pulse valve 4 is accepted the instruction of control system, moment starting impulse valve 4, gases at high pressure enter nozzle 6 from pulse valve 4 fast through winding-up pipe 5, are blown into filter bag 11 inside.Gases at high pressure make filter bag 11 produce expansion, thereby shake off to be adsorbed on the dust granules 15 on filter bag 11 external surfaces, have reduced the resistance of filter bag 11, make equipment can continue operate as normal.The dust granules of shaking off down 15 is through storage ash bucket 16, directly enter the charging aperture of conveying worm 17, dust granules 15 enters discharger 19 along the direction of arrow through discharging opening under the effect of conveying worm 17 rotating vanes, discharge deduster, enter storage ash bucket (not shown) subsequent treatment.

Because the absorption of dust and the cleaning of dust are to carry out in same dust storage chamber 14, so require deashing pressure to be higher than absorption affinity, promptly the operating pressure of air compressor 1 is higher than the suction force of blower fan 10.And the absorption of dust is continuous operation, and promptly blower fan 10 is continuous operations; The cleaning of dust then is interrupter duty, in the present embodiment, air compressor 1 per 30 minutes work once, its operation range and work duration can set on request; Also can set the threshold of a dedusting resistance in addition by control system, in case resistance greater than this threshold, then system starts air compressor 1 automatically.

Above-described only is preferred implementation of the present utility model, and the utility model is not limited to above embodiment.Be appreciated that other improvement and variation that those skilled in the art directly derive or associate under the prerequisite that does not break away from spirit of the present utility model and design, all should think to be included within the protection domain of the present utility model.

Claims

1. the deduster of a towed highway shot-blasting machine is characterized in that: comprise casing (18), dividing plate (7) is set in the casing (18), will be divided into the air-purifying chamber (8) on top and the dust storage chamber (14) of bottom in the casing (18); Air-purifying chamber (8) is connected with the suction opeing of blower fan (10) by pipeline (9), and winding-up pipe (5) is installed in the air-purifying chamber (8), and the gas storage bag (3) of gases at high pressure connects the air inlet port of winding-up pipe (5) by pulse valve (4); Filter bag (11) is sealedly attached on the dividing plate (7), hangs in the dust storage chamber (14), and filter bag (11) top is provided with nozzle (6) in winding-up pipe (5); Be connected with the intake stack (12) of dusty gas on the wall of dust storage chamber (14), the below of dust storage chamber (14) is connected with the import of storage ash bucket (16), the outlet of storage ash bucket (16) is connected with the charging aperture of conveying worm (17), and the discharging opening of conveying worm (17) is connected with discharger (19).