CN211513931U

CN211513931U - Dust removal device for asphalt concrete mixing plant

Info

Publication number: CN211513931U
Application number: CN201922059622.2U
Authority: CN
Inventors: 曾添悦; 陆萍
Original assignee: Nantong Huiteng Road Engineering Co ltd
Current assignee: Nantong Huiteng Road Engineering Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-09-18
Anticipated expiration: 2029-11-25

Abstract

The utility model relates to a dust removal device of an asphalt concrete mixing plant, which comprises a base, wherein a dust collection box is arranged on the base, a dust conveying pipe for conveying dust into a dust collection cylinder is arranged on one side of the dust collection box in a penetrating way, a fan is arranged on the upper surface of the dust collection box, a dust exhaust pipe for exhausting water-containing dust is arranged on the lower end surface of the dust collection box in a penetrating way, and a valve for opening and closing the pipe orifice of the dust exhaust pipe is arranged on the side wall of the dust exhaust pipe; the spraying pipes are fixedly connected between the two inner side walls of the dust collection box through flanges, spraying ports are uniformly arranged on the side walls of the spraying pipes positioned in the dust collection box along the length direction of the spraying pipes, spherical spraying heads are respectively arranged on the inner side walls of each spraying port, and the outer side wall of each spraying head is provided with a diffuse perforation in a penetrating manner; one end of the spray pipe is communicated with a water delivery pipe, a water suction pump is arranged on the base, one end of the water suction pump is connected with the water delivery pipe, and the other end of the water suction pump is connected with a water source through a water pipe; the utility model has the advantages of make the dust subside fast, reduce the dust removal dead angle, improve dust removal effect.

Description

Dust removal device for asphalt concrete mixing plant

Technical Field

The utility model belongs to the technical field of the dust removal technique and specifically relates to a bituminous concrete mixing plant dust collector is related to.

Background

The mixing plant consists of feeding, storing, batching, mixing, discharging, controlling and other systems and structural components, and is complete equipment for producing concrete.

The prior Chinese patent with the publication number of CN202376870U discloses a dust removal device for a powder bin of a concrete mixing plant, which comprises a dust remover, a material collecting box and the powder bin, wherein the upper part of the material collecting box is a material collecting chamber, the lower part of the material collecting box is a discharge hopper, one side of the upper end of the material collecting chamber is provided with a gas inlet, the lower end of the side wall of the other side of the material collecting chamber is provided with a gas outlet, and a partition board fixed on the side surface of the material collecting chamber is arranged between the; the upper end of the dust remover is provided with a top cover, the upper part in the dust remover chamber is provided with a filter element chamber, a vibrator is arranged above the filter element chamber, the middle part of the dust remover chamber is a hopper-shaped buffer chamber, the lower part of the dust remover chamber is a hopper-shaped dust collecting chamber, the lower end of the dust collecting chamber is provided with a discharge door, and the side wall between the buffer chamber and the integration chamber is provided with a dust remover air inlet; in the working process, dust passes through the material collecting box and the dust collecting chamber of the dust remover in sequence and enters the filter element chamber, the dust is filtered by the filter element chamber and then discharged into the air, and then the dust accumulated on the filter element chamber is separated from the filter element by the vibrator, so that the blockage of the filter element is reduced.

However, after the dust adhered to the filter element chamber is separated from the filter element by the vibrator, part of the light dust still floats in the filter element chamber and cannot be settled, and then enters the filter element chamber along with the light dust and adheres to the filter element chamber again, and the dust cannot be settled to achieve the purpose of dust removal even after the dust enters the filter element chamber repeatedly, so that the dust removal effect is poor, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an asphalt concrete mixing plant dust collector, it has can make the dust subside fast, improves dust removal effect's advantage.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a dust removal device for an asphalt concrete mixing plant comprises a base, wherein a dust collection box is arranged on the base, a dust conveying pipe is arranged on the upper surface of the dust collection box, a fan is arranged on the upper surface of the dust collection box, a dust exhaust pipe for exhausting water-containing dust penetrates through the lower end face of the dust collection box, and a valve for opening and closing the pipe orifice of the dust exhaust pipe is arranged on the side wall of the dust exhaust pipe; spray pipes are fixedly connected between the two inner side walls of the dust collection box through flanges, spray ports are uniformly arranged on the side walls of the spray pipes positioned in the dust collection box along the length direction of the spray pipes, a spherical spray head is arranged on the inner side wall of each spray port, and a diffusion hole is formed in the outer side wall of each spray head in a penetrating mode; the one end intercommunication of shower is provided with the raceway, be provided with the suction pump on the base, the one end and the raceway of suction pump link to each other, the other end of suction pump leads to pipe connection water source.

Through adopting above-mentioned technical scheme, the fan is connected to the electricity to make the dust go into the dust collection box through the dust conveying pipe in through starting the fan, then start the suction pump, carry the water source to spray tube in and spout from the diffusion hole department of injector head through the suction pump, thereby make the dust meet water and subside fast, diffuse the perforation simultaneously and increased spray area, reduced the dust removal dead angle, thereby further improved dust removal effect.

Further, each of the injection heads is screw-coupled to the injection port.

Through adopting above-mentioned technical scheme, realized being connected with dismantling of injector head and jet to regularly change and wash the injector head, avoid the diffusion hole to block up and influence the spraying dust removal effect.

Furthermore, the outer side wall of each jet orifice and the joint of the jet orifice and the jet head at the corresponding position are respectively provided with a sealing rubber ring.

Through adopting above-mentioned technical scheme, strengthen the sealing connection between jet orifice and the injector head to make the water source concentrate and assemble in the injector head cavity and spout from the diffusion hole, strengthened the jet strength in diffusion hole department to a certain extent.

Furthermore, the side wall of the spraying pipe, which is positioned in the dust collection box, is provided with a guide surface, and the guide surface is positioned between the water conveying pipe and the jet orifice.

Through adopting above-mentioned technical scheme, set up the spigot surface in the position that is close to the jet to the pipe diameter that is close to the shower of jet department is less than the pipe diameter of keeping away from jet department, so that increase the spraying intensity of jet department.

Further, the one end of raceway orientation shower is provided with the butt joint crown plate, the butt joint annular groove has been seted up along its circumference to the butt joint crown plate lateral wall, the one end of shower orientation water delivery pipe orientation is provided with the rubber ring strip, be provided with the limiting plate on the lateral wall that the butt joint crown plate is close to butt joint annular groove position, limiting plate and the inseparable laminating of rubber ring strip.

Through adopting above-mentioned technical scheme, through with the shower embedding butt joint ring inboard, realize being connected dismantled of raceway and shower, improve the leakproofness of shower and raceway junction through adding to establish the rubber ring strip, reduce rivers exosmosis.

Further, cavities are respectively arranged inside the rubber ring strips.

Through adopting above-mentioned technical scheme to be used for improving the compliance of rubber ring strip, so that with rubber ring strip from butt joint inslot embedding and taking out, improve and dismantle the convenience.

Furthermore, a protective filter screen is arranged at the position, close to the air port of the fan, of the dust collection box.

Through adopting above-mentioned technical scheme to be used for blockking the dust, prevent that the dust from getting into from fan wind gap department and getting into inside the fan and causing the fan to block up, thereby influence the operation of fan.

Furthermore, springs are uniformly arranged on the outer side wall of the protective filter screen along the circumferential direction of the outer side wall, and one end, far away from the protective filter screen, of each spring is respectively adhered to the inner side wall of the air port of the fan.

Through adopting above-mentioned technical scheme, receive fan suction effect as the protection filter screen and act on, spring deformation, the protection filter screen can shake under the elastic action of spring this moment to shake off the dust of adhesion at protection filter screen lower surface, and listen the mode that sprays and make the dust subside.

To sum up, the utility model discloses following beneficial effect has:

1. the fan is electrically connected, dust is discharged into the dust collection box through the dust conveying pipe by starting the fan, then the water suction pump is started, and a water source is conveyed into the spray pipe through the water suction pump and is sprayed out from the diffusion hole of the spray head, so that the dust is quickly settled when meeting water, meanwhile, the spraying area is increased by the diffuse holes, the dust removal dead angle is reduced, and the dust removal effect is further improved;

2. the guide surface is arranged at a position close to the jet orifice, so that the pipe diameter of the spray pipe close to the jet orifice is smaller than that far away from the jet orifice, and the jet intensity at the jet orifice is increased;

3. when the protection filter screen receives fan suction effect to act on, the spring deformation of setting on the protection filter screen lateral wall, the protection filter screen can shake under the elastic action of spring this moment to shake off the dust of adhesion at the protection filter screen lower surface, and listen the mode that sprays and make the dust subside.

Drawings

FIG. 1 is a schematic structural diagram of a dust removing apparatus for an asphalt mixing plant according to an embodiment;

FIG. 2 is a sectional view showing the construction of a dust removing apparatus for an asphalt mixing plant according to the embodiment;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a schematic view of the positional relationship of the protective screen and the spring;

fig. 5 is a schematic diagram for showing the structure between the water conveying pipe and the shower pipe in the embodiment.

In the figure: 1. a base; 11. a dust collection box; 111. a fan; 1111. an air suction opening; 1112. a protective filter screen; 1113. a spring; 112. a dust suction port; 1121. a dust conveying pipe; 113. a dust exhaust port; 1131. a dust exhaust pipe; 1132. a valve; 2. a water pump; 21. a water delivery pipe; 211. butting ring plates; 2111. butting ring grooves; 2112. a limiting plate; 2113. a rubber ring strip; 2114. a cavity; 22. a shower pipe; 222. a guide surface; 223. an ejection port; 2231. an injector head; 2232. carrying out diffuse perforation; 2233. and sealing the rubber ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

a dust removal device for an asphalt concrete mixing plant, referring to fig. 1 and 2, comprises a base 1, a dust collection box 11 is arranged above the base 1, a fan 111 is arranged on the upper surface of the dust collection box 11, an air suction port 1111 communicated with an air port of the fan 111 is arranged at a position, close to the fan 111, of the dust collection box 11 in a penetrating mode, a dust suction port 112 is arranged on one side, located at the air suction port 1111, of the upper surface of the dust collection box 11, and a dust conveying pipe 1121 is in threaded connection with the inner side wall of the dust; the dust exhaust port 113 is formed in the lower end face of the dust collection box 11 in a penetrating mode, the dust exhaust pipe 1131 is inserted in the inner side wall of the dust exhaust port 113, the dust exhaust pipe 1131 penetrates through the dust collection box 11, and the outer side wall of the dust exhaust pipe 1131 is provided with a valve 1132 for controlling the opening and closing of the pipe orifice of the dust exhaust pipe 1131.

Referring to fig. 2 and 4, a plurality of springs 1113 are uniformly adhered to the inner side wall of the air suction opening 1111 along the circumferential direction, a protective filter screen 1112 is adhered to one end of each of the springs 1113 away from the air suction opening 1111, the springs are electrically connected to the fan 111, and the fan 111 is started to suck dust into the dust collection box 11 through the dust conveying pipe 1121, so that the dust can be conveniently treated in the dust collection box 11 in a centralized manner; when a part of the light dust travels toward the air suction opening 1111, the light dust is blocked by the protection screen 1112 and adheres to the lower surface of the protection screen 1112, the protection screen 1112 is subjected to the suction force of the fan 111 to deform the spring 1113, and the spring 1113 drives the protection screen 1112 to shake up and down to shake off the dust.

Referring to fig. 2 and 5, a water pump 2 is fixedly connected to the upper surface of the base 1 and located on one side of the dust collection box 11 through a screw, one end of the water pump 2 is connected to a water source through a water pipe, the other end of the water pump 2 is communicated with a water pipe 21 through a flange, one end of the water pipe 21 away from the water pump 2 is communicated with a spray pipe 22, one end of the water pipe 21 facing the spray pipe 22 is integrally formed with a docking annular plate 211, an end wall of the docking annular plate 211 is concavely provided with a docking annular groove 2111, the end wall of the spray pipe 22 facing the water pipe 21 is circumferentially adhered with a rubber annular strip 2113 inserted in the docking annular groove 2111, a side wall of the docking annular plate 211 close to the docking annular groove 2111 is integrally formed with a limiting plate 2112, an inner side wall of the limiting plate 2112 is tightly adhered to a side wall of the rubber annular strip 2113, so that the water pipe 21 is detachably connected with the spray pipe 22, the possibility that water flows overflow from the gap at the joint of the butt joint ring plate 211 and the spray pipe 22 is reduced; the rubber ring strip 2113 is provided with a cavity 2114 therein for increasing the softness of the rubber ring strip 2113, facilitating the rapid insertion and removal of the rubber ring strip 2113 into and out of the docking slot 2111.

Referring to fig. 2 and 3, one end of the spray pipe 22, which is far away from the direction of the water pipe 21, penetrates through the side wall of the dust box 11 and is fixedly connected with the inner side wall of the dust box 11 through a flange (not shown in the figure), spray ports 223 are uniformly formed in the outer side wall of the spray pipe 22 and located inside the dust box 11 along the length direction of the dust box, spherical spray heads 2231 are respectively in threaded connection with the inner side wall of each spray port 223, a sealing rubber ring 2233 is sleeved on the outer side wall of each spray port 223 and located at the connection part of the spray port 223 and the spray heads 2231 so as to improve the sealing performance of the connection part of the spray ports 223 and the spray heads 2231, and a plurality of; the outer side wall of the spraying pipe 22 is provided with a guide surface 222 inside the dust collection box 11, and the guide surface 222 inclines downwards towards the water flow direction, so that the pipe diameter of the spraying pipe 22 close to the jet opening 223 is smaller than that of the spraying pipe 22 far away from the jet opening 223, the water pressure at the jet opening 223 is increased, and the jet strength is improved.

The working principle is as follows:

when the asphalt concrete dust removal device is used for dust removal, firstly, the fan 111 is electrically connected to convey dust into the dust collection box 11 through the dust conveying pipe 1121, and meanwhile, the water suction pump 2 is started to spray water from the diffusion hole 2232 through the water conveying pipe 21 and the spray pipe 22, so that the water flow spraying range is expanded, and dust removal dead corners are reduced; after the dust met water and subsided, the dust followed dust collection box 11 inside wall landing to dust exhaust port 113 department, then the valve 1132 of checking, concentrated the discharge with the mixture of dust and water, the final cleaning operation of completion to the dust.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A dust removal device for an asphalt concrete mixing plant comprises a base (1), wherein a dust collection box (11) is arranged on the base (1), a dust conveying pipe (1121) is arranged on the upper surface of the dust collection box (11), a fan (111) is arranged on the upper surface of the dust collection box (11), a dust exhaust pipe (1131) for discharging water-containing dust penetrates through the lower end surface of the dust collection box (11), and a valve (1132) for opening and closing the pipe orifice of the dust exhaust pipe (1131) is arranged on the side wall of the dust exhaust pipe (1131); the method is characterized in that: spray pipes (22) are fixedly connected between the two inner side walls of the dust collection box (11) through flanges, spray ports (223) are uniformly formed in the side walls, located inside the dust collection box (11), of the spray pipes (22) along the length direction of the spray pipes, spherical spray heads (2231) are arranged on the inner side walls of the spray ports (223), and diffuse holes (2232) penetrate through the outer side walls of the spray heads (2231); the one end intercommunication of shower (22) is provided with raceway (21), be provided with suction pump (2) on base (1), the one end and raceway (21) of suction pump (2) link to each other, the other end of suction pump (2) leads to pipe connection water source.

2. The asphalt mixing plant dust collector of claim 1, wherein: each spray head (2231) is in threaded connection with the spray opening (223).

3. The asphalt mixing plant dust collector of claim 2, wherein: and a sealing rubber ring (2233) is respectively arranged on the outer side wall of each jet orifice (223) and at the joint of the jet orifice and the jet head (2231) at the corresponding position.

4. The asphalt mixing plant dust collector of claim 2, wherein: the side wall of the spraying pipe (22) positioned in the dust collection box (11) is provided with a guide surface (222), and the guide surface (222) is positioned between the water conveying pipe (21) and the jet orifice (223).

5. The asphalt mixing plant dust collector of claim 1, wherein: raceway (21) are provided with butt joint ring board (211) towards the one end of shower (22) direction, butt joint ring groove (2111) have been seted up along its circumference to butt joint ring board (211) lateral wall, shower (22) are provided with rubber ring strip (2113) towards the one end of raceway (21) direction, be provided with limiting plate (2112) on the lateral wall that butt joint ring groove (2111) position is close to butt joint ring board (211), limiting plate (2112) closely laminate with rubber ring strip (2113).

6. The asphalt mixing plant dust collector of claim 5, wherein: cavities (2114) are respectively arranged in the rubber ring strips (2113).

7. The asphalt mixing plant dust collector of claim 1, wherein: and a protective filter screen (1112) is arranged at the position of the dust collection box (11) close to the air port of the fan (111).

8. The asphalt mixing plant dust collector of claim 7, wherein: springs (1113) are uniformly arranged on the outer side wall of the protective filter screen (1112) along the circumferential direction of the outer side wall, and one end, far away from the protective filter screen (1112), of each spring (1113) is respectively cemented on the inner side wall of the air port of the fan (111).