CN214716369U - Asphalt mixing station - Google Patents

Abstract

The utility model relates to the technical field of asphalt, and discloses an asphalt mixing station, which comprises a bracket, wherein an aggregate bin, a powder bin and an asphalt bin are fixedly connected in sequence in the upper end of the bracket, a through hole communicated with the powder bin is arranged on the aggregate bin, a mixing bin is arranged in the lower end of the bracket, the lower end of the aggregate bin is fixedly connected with the mixing bin, the asphalt bin is connected with the mixing bin through a conveying device, an impeller is rotatably connected on the inner wall of the aggregate bin, the impeller is driven to rotate by an impeller motor, a high-temperature toxic gas is sent into a filtering bin by an air pump, a main hazardous material benzopyrene and other harmful gases are dissolved by toluene liquid in the filtering bin, then the hazardous material is sent into the asphalt bin after being filtered by an activated carbon plate, and meanwhile, the high temperature is also brought into the filtering bin, so that the temperatures of the filtering bin and an arc baffle plate are raised, aggregate and powder in an impeller groove are dried and preheated, the quality of finished products is improved, and the temperature of the asphalt is utilized to dry and preheat the aggregate and the powder, so that resources are saved.

Description

Asphalt mixing station

Technical Field

The utility model relates to a pitch technical field specifically is an asphalt mixing station.

Background

The asphalt mixing plant, which can also be called asphalt concrete mixing plant and asphalt concrete mixing plant, refers to a complete set of equipment for batch production of asphalt concrete, can produce asphalt mixture, modified asphalt mixture and color asphalt mixture, and is necessary equipment for building expressways, grade highways, municipal roads, airports and ports.

When the asphalt mixing station is produced, hot aggregate, powder, asphalt need be measured according to certain ratio, the finished product is stirred out after the measurement, the concrete aggregate is for satisfying construction demand and concrete strength needs, need the heating to the aggregate, aggregate and artifical sand powder can improve the finished product quality of stirring out after heating and drying, and current aggregate and powder heating and drying are accomplished through special drying area in the mixing station, the resource is wasted, the cost is increased, and asphalt can produce carcinogens such as benzopyrene after heating and melting, if directly discharge in the air without handling, can air pollution, cause harm.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an asphalt mixing station possesses advantages such as the ratio is accurate, save the resource, has solved the problem that the background art provided.

(II) technical scheme

For the purpose that realizes that above-mentioned ratio is accurate, save the resource, the utility model provides a following technical scheme: an asphalt mixing station comprises a support, wherein an aggregate bin, a powder bin and an asphalt bin are fixedly connected in sequence in the upper end of the support, a through hole communicated with the powder bin is formed in the aggregate bin, a mixing bin is arranged in the lower end of the support, the lower end of the aggregate bin is fixedly connected with the mixing bin, the asphalt bin is connected with the mixing bin through a conveying device, an impeller is rotatably connected to the inner wall of the aggregate bin, the impeller is driven to rotate through an impeller motor, an arc-shaped baffle matched with the impeller in shape is fixedly connected to the inner wall of the aggregate bin, a stirrer is rotatably connected to the mixing bin, the stirrer is driven to rotate through a stirring motor, a filtering bin is fixedly connected to the bottom surface of the arc-shaped baffle, an air suction pump is arranged below the filtering bin, the air inlet of the suction pump is fixedly connected with the mixing bin, and the air outlet of the suction pump is fixedly connected with the filtering bin, the filtering bin is fixedly connected with the asphalt bin through an air pipe, and a discharge hole is formed in the lower end of the mixing bin.

Preferably, the filtering bin is filled with toluene liquid, and an activated carbon filtering plate is arranged at the position of an air outlet in the filtering bin.

Preferably, the upper end of the asphalt bin is provided with a cover plate, and one side of the cover plate is rotatably connected to the asphalt bin.

Preferably, the discharge port is provided with a control valve, and a collecting vehicle is arranged below the discharge port.

Preferably, the conveying device is a screw feeder.

Preferably, the impeller motor is a servo motor.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of pitch mixing station, through putting into aggregate storehouse and powder storehouse respectively with aggregate and powder in, impeller motor drives the impeller and rotates, and when the groove on the impeller rotated the top, aggregate and powder all got into the groove of impeller under the action of gravity in, and when aggregate and powder in the impeller groove rotated the below, aggregate and powder fell into and mix the storehouse in, made aggregate and powder ratio even through the impeller uniform velocity rotation to improve finished product quality.

2. This kind of pitch mix station, send into the filtration storehouse through the toxic gas of aspiration pump with the high temperature in, toluene liquid through filtering in the storehouse dissolves main hazardous material benzopyrene and other harmful gas, then send into the pitch storehouse after the active carbon plate filters in, high temperature is also brought into in filtering the storehouse simultaneously, make and filter storehouse and cowl temperature rise, dry the aggregate and the powder in the impeller groove and preheat, improve the finished product quality, the temperature that utilizes pitch is dried aggregate and powder and is preheated, save resources.

Drawings

FIG. 1 is a schematic structural view of an asphalt mixing station according to the present invention;

FIG. 2 is a schematic structural view of an impeller in an asphalt mixing station according to the present invention;

fig. 3 is a schematic structural diagram at a in fig. 1.

In the figure: the device comprises a support 1, an aggregate bin 2, a powder bin 3, an asphalt bin 4, a mixing bin 5, an impeller 6, an impeller motor 7, an arc baffle 8, a conveying device 9, a stirrer 10, a stirring motor 11, a filtering bin 12, an air suction pump 13, an air pipe 14, a discharge hole 15, a cover plate 16 and a control valve 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, an asphalt mixing station comprises a frame 1, an aggregate bin 2, a powder bin 3 and an asphalt bin 4 are fixedly connected in the upper end of the frame 1 in sequence, a cover plate 16 is arranged at the upper end of the asphalt bin 4, one side of the cover plate 16 is rotatably connected to the asphalt bin 4, the cover plate 16 prevents toxic gas generated by asphalt at high temperature from leaking out and polluting air, and simultaneously facilitates cleaning the asphalt bin 4 and prevents asphalt from solidifying and being difficult to remove after cooling, a through hole communicated with the powder bin 3 is formed in the aggregate bin 2, a mixing bin 5 is arranged at the lower end of the frame 1, the lower end of the aggregate bin 2 is fixedly connected with the mixing bin 5, the asphalt bin 4 is connected with the mixing bin 5 through a conveying device 9, the conveying device 9 is a screw feeder, and the design utilizes the extrusion force of the screw feeder to enable fluid after asphalt is melted to be extruded more easily and prevent blocking, the inner wall of the aggregate bin 2 is rotatably connected with an impeller 6, the impeller 6 is driven to rotate by an impeller motor 7, the impeller motor 7 is a servo motor, the design can control a baffle plate on the impeller 6 to stop at a horizontal position when a mixing station stops working, aggregate and powder on the impeller 6 are prevented from falling down to play a role of blocking, an arc baffle plate 8 matched with the impeller 6 in shape is fixedly connected to the inner wall of the aggregate bin 2, a stirrer 10 is rotatably connected in a mixing bin 5 and driven to rotate by a stirring motor 11, a filtering bin 12 is fixedly connected to the bottom surface of the arc baffle plate 8, toluene liquid is filled in the filtering bin 12, an active carbon filtering plate is arranged at an air outlet position in the filtering bin 12, and in the design, main hazardous substances benzopyrene and other harmful gases are dissolved by the toluene liquid to play a role of filtering, so as to avoid atmospheric pollution, and through the adsorption effect of active carbon, further air-purifying, it is provided with aspiration pump 13 to filter 12 below in the storehouse, aspiration pump 13 air inlet and 5 fixed connection in mixed storehouse, aspiration pump 13 gas outlet and filter 12 fixed connection in the storehouse, it passes through trachea 14 and 4 fixed connection in pitch storehouse to filter storehouse 12, it is provided with discharge gate 15 to mix 5 lower extremes in storehouse, be provided with control valve 17 on the discharge gate 15, discharge gate 15 below is provided with the collection vehicle, this kind of design, it conveniently controls the finished product outflow in the mixed storehouse 5 through control valve 17, use the collection vehicle to collect the transportation.

The working principle is as follows: when the asphalt mixing machine is used, aggregates and powder are respectively placed into an aggregate bin 2 and a powder bin 3, asphalt melted by an asphalt melting furnace is placed into an asphalt bin 4, an impeller motor 7 drives an impeller 6 to rotate, when a groove on the impeller 6 rotates to the upper part, the aggregates and the powder enter the groove of the impeller 6 under the action of gravity, the aggregates and the powder are uniformly mixed by the uniform rotation of the impeller 6, when the aggregates and the powder in the groove of the impeller 6 rotate to the lower part, the aggregates and the powder fall into a mixing bin 5, meanwhile, the melted asphalt is conveyed into the mixing bin 5 by a conveying device 9, is discharged from a discharge port 15 after being mixed by a stirrer 10 in a rotating way, toxic carcinogenic gas is generated when the asphalt is at high temperature, the high-temperature toxic carcinogenic gas is conveyed into a filtering bin 12 by an air pump 13, and main hazardous substances benzopyrene and other harmful gases are dissolved by toluene liquid in the filtering bin 12 and then are conveyed into the asphalt bin 4 after being filtered by an activated carbon plate, meanwhile, high temperature is also brought into the filtering bin 12, so that the temperature of the filtering bin 12 and the arc-shaped baffle 8 is increased, the aggregate and powder in the impeller 6 are dried and preheated, and the quality of finished products is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an asphalt mixing station, includes support (1), its characterized in that, fixedly connected with aggregate storehouse (2), aggregate storehouse (3) and pitch storehouse (4) in proper order in support (1) upper end, set up the through-hole that communicates aggregate storehouse (3) on aggregate storehouse (2), be provided with mixing bin (5) in the support (1) lower extreme, aggregate storehouse (2) lower extreme and mixing bin (5) fixed connection, pitch storehouse (4) are connected with mixing bin (5) through conveyor (9), it is connected with impeller (6) to rotate on aggregate storehouse (2) inner wall, impeller (6) drive through impeller motor (7) and rotate, fixedly connected with cowl (8) that match impeller (6) shape on aggregate storehouse (2) inner wall, mixing bin (5) internal rotation is connected with agitator (10), agitator (10) drive through agitator motor (11) and rotate, arc baffle (8) bottom surface fixedly connected with crosses filter storehouse (12), it is provided with aspiration pump (13) to cross filter storehouse (12) below, aspiration pump (13) air inlet and mix storehouse (5) fixed connection, aspiration pump (13) gas outlet with cross filter storehouse (12) fixed connection, cross filter storehouse (12) and pass through trachea (14) and pitch storehouse (4) fixed connection, it is provided with discharge gate (15) to mix storehouse (5) lower extreme.

2. Asphalt mixing station according to claim 1, characterized in that said filter silo (12) is filled with toluene liquid and that a filter plate of activated carbon is arranged at the outlet of said filter silo (12).

3. Asphalt mixing station according to claim 1, characterized in that the upper end of the asphalt silo (4) is provided with a cover plate (16), and one side of the cover plate (16) is rotatably connected with the asphalt silo (4).

4. Asphalt mixing station according to claim 1, characterized in that a control valve (17) is arranged on the discharge port (15) and a collection vehicle is arranged below the discharge port (15).

5. Asphalt plant according to claim 1, characterized in that said conveying means (9) are screw feeders.

6. Asphalt mixing station according to claim 1, characterized in that said impeller motor (7) is a servo motor.

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