High-modulus asphalt production system

Abstract

The utility model relates to the technical field of high-modulus asphalt production, in particular to a high-modulus asphalt production system. The high-modulus asphalt production system comprises a production tank and an impurity removing and material crushing box, the impurity removing and material crushing box is connected with a spiral feeder through a discharging hopper, the spiral feeder is connected with the top of the production tank, the production tank is connected with a development tank through a colloid mill, an inclined vibrating screen is arranged in the impurity removing and material crushing box, and a smashing box is connected to the impurity removing and material crushing box. According to the system, through cooperative use of the inclined vibrating screen and the crushing box, caked thermoplastic elastomers are crushed and then returned to the impurity removing and crushing box after being crushed, and the production efficiency is greatly improved; and through the arrangement of a magnet below the vibrating screen and a magnet at the discharging hopper, the removal of scrap iron impurities in the thermoplastic elastomer is greatly improved, the influence of the scrap iron impurities on a colloid mill is avoided, and the production safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high modulus asphalt production, in particular to a high modulus asphalt production system. Background Art

[0002] High modulus asphalt is a special type of asphalt used in road construction that has a higher elastic modulus than conventional asphalt. The main features of this asphalt are good rutting resistance and fatigue resistance, making it suitable for long-life pavements subject to heavy traffic. High modulus asphalt is usually prepared by adding specific thermoplastic elastomers to conventional asphalt or by using special processing techniques.

[0003] In workshop production, asphalt is often modified by adding thermoplastic elastomers such as SBS and SBR. However, in actual operation, the existing equipment has the problem of low efficiency in processing thermoplastic elastomers. The main reason is that if the thermoplastic elastomer is stored for a long time, the particles will clump. Manual processing is not only inefficient, but also has a very harsh working environment. In addition, impurities such as iron filings may exist in the thermoplastic elastomer, which poses a great threat to the shear grinding disc of the colloid mill and is not conducive to the continuous production. Utility Model Content

[0004] In view of the above deficiencies in the prior art, the purpose of the utility model is to provide a high modulus asphalt production system, through the coordinated use of an inclined vibrating screen and a crushing box, the agglomerated thermoplastic elastomer is crushed and returned to the impurity removal and crushing box after crushing, thereby greatly improving the production efficiency; through the setting of the magnet under the vibrating screen and the magnet at the lower hopper, the removal of iron filings and impurities in the thermoplastic elastomer is greatly improved, avoiding its influence on the colloid mill and improving the safety of production; through the setting of the primary material guide dust plate and the secondary material guide dust prevention plate, the generation of a large amount of dust when the powder stabilizer is added is greatly reduced, and the on-site working environment is significantly improved.

[0005] The utility model is realized by adopting the following technical solutions:

[0006] The high modulus asphalt production system includes a production tank and a debris removal and breaking box. The debris removal and breaking box is connected to a spiral feeder through a lower hopper, the spiral feeder is connected to the top of the production tank, the production tank is connected to a development tank through a colloid mill, an inclined vibrating screen is provided inside the debris removal and breaking box, and a crushing box is connected to the debris removal and breaking box.

[0007] The large particles slide down into the crushing box through the inclined vibrating screen, where they are crushed by the crushing knife and then slide back into the impurity removal and crushing box by gravity.

[0008] A dust collector is arranged above the impurity removing and material breaking box, and a bag breaking machine is arranged between the impurity removing and material breaking box and the dust collector.

[0009] The inclined vibrating screen is arranged obliquely, and the bulk materials slide down to the inside of the crushing box by gravity through the inclined vibrating screen, and the crushing box is provided with a crushing knife.

[0010] A vibrating screen lower magnet is arranged below the inclined vibrating screen, and an oscillator is arranged on the outer side of the vertical wall of the impurity removal and material breaking box, and the oscillator is located at a side away from the crushing box.

[0011] The magnet under the vibrating screen is to prevent impurities from entering the lower hopper directly with the granular material, and the impurities mixed in the thermoplastic elastomer are difficult to be adsorbed by the magnet at the lower hopper.

[0012] A lower hopper magnet is arranged below the lower hopper, the dust collector is connected with an induced draft fan through a pipeline, the production tank is connected with the induced draft fan through a pipeline, and the development tank is connected with the induced draft fan through a pipeline.

[0013] A stirrer is arranged inside the production tank, and a feeding port is arranged above the production tank.

[0014] The feeding port is provided with a primary material guide dust plate and a secondary material guide dust plate, the primary material guide dust plate is located above the secondary material guide dust plate, the primary material guide dust plate and the secondary material guide dust plate are both arranged obliquely downward, and the primary material guide dust plate and the secondary material guide dust plate are arranged alternately. The primary material guide dust plate and the secondary material guide dust plate are not connected.

[0015] The working principle of the utility model is:

[0016] The induced draft fan starts, and the matrix asphalt enters the production tank through the pipeline. The production tank heats up, the agitator starts working, and the thermoplastic elastomer is broken by the bag breaker and falls freely onto the inclined vibrating screen. The inclined vibrating screen starts working, and most of the granular materials fall into the lower hopper through the inclined vibrating screen, and a small part of the agglomerated granular materials slide into the crushing box through the inclined vibrating screen, where they are crushed by the crushing knife and then slide back into the impurity removal and breaking box by gravity; after impurities are removed by the magnet under the vibrating screen and the magnet at the lower hopper, they enter the production tank through the spiral feeder, and after stirring evenly, stabilizer is added through the feeding port to continue stirring, and then they enter the development tank through the colloid mill for processing. Among them, the magnet under the vibrating screen is to prevent impurities from directly entering the lower hopper with the granular materials, and the problem that impurities mixed in the thermoplastic elastomer are difficult to be adsorbed by the magnet at the lower hopper.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] By adopting the high modulus asphalt production system of the utility model, the agglomerated thermoplastic elastomer is crushed through the coordinated use of the inclined vibrating screen and the crushing box, and then returned to the impurity removal and crushing box after crushing, thereby greatly improving the production efficiency; by setting the magnet under the vibrating screen and the magnet at the lower hopper, the removal of iron filings and impurities in the thermoplastic elastomer is greatly improved, avoiding their influence on the colloid mill and improving the safety of production; by setting the primary material guide dust plate and the secondary material guide dust prevention plate, the generation of a large amount of dust when the powder stabilizer is added is greatly reduced, and the on-site working environment is significantly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the high modulus asphalt production system of the utility model;

[0020] Figure 2 For this utility model Figure 1 The enlarged view of point A in the middle;

[0021] In the figure: 1. Production tank; 2. Impurity removal and material breaking box; 3. Colloid mill; 4. Development tank; 5. Lower hopper; 6. Bag breaker; 7. Dust collector; 8. Crushing box; 9. Screw feeder; 10. Agitator; 11. Induced draft fan; 12. Inclined vibrating screen; 13. Magnet under vibrating screen; 14. Oscillator; 15. Magnet at lower hopper; 16. Crushing knife; 17. Feeding port; 18. Primary material guide dust plate; 19. Secondary material guide dust protection plate. DETAILED DESCRIPTION

[0022] In order to make the purpose and technical solution of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings.

[0023] Example 1

[0024] like Figure 1As shown, the high modulus asphalt production system includes a production tank 1 and a material removal and breaking box 2. The material removal and breaking box 2 is connected to a screw feeder 9 through a lower hopper 5. The screw feeder 9 is connected to the top of the production tank 1. The production tank 1 is connected to a development tank 4 through a colloid mill 3. An inclined vibrating screen 12 is provided inside the material removal and breaking box 2. A crushing box 8 is connected to the material removal and breaking box 2. Large particles of material slide into the crushing box 8 through the inclined vibrating screen 12, and are crushed by a crushing knife 16, and then slide back into the material removal and breaking box 2 by gravity. A dust collector 7 is provided above the material removal and breaking box 2, and a bag breaker 6 is provided between the material removal and breaking box 2 and the dust collector 7. The inclined vibrating screen 12 is inclined, and large pieces of material slide into the crushing box 8 by gravity through the inclined vibrating screen 12. A crushing knife 16 is provided in the crushing box 8. A vibrating screen lower magnet 13 is provided below the inclined vibrating screen 12, and an oscillator 14 is provided on the outer side of the vertical wall of the impurity removal and crushing box 2, and the oscillator 14 is located on the side away from the crushing box 8. A lower hopper magnet 15 is provided below the lower hopper 5, and the dust collector 7 is connected to the induced draft fan 11 through a pipeline, the production tank 1 is connected to the induced draft fan 11 through a pipeline, and the development tank 4 is connected to the induced draft fan 11 through a pipeline. A stirrer 10 is provided inside the production tank 1, and a feeding port 17 is provided above the production tank 1. Figure 2 As shown, a primary material guide dust plate 18 and a secondary material guide dust prevention plate 19 are provided inside the feeding port 17. The primary material guide dust plate 18 is located above the secondary material guide dust prevention plate 19. Both the primary material guide dust plate 18 and the secondary material guide dust prevention plate 19 are arranged obliquely downward, and the primary material guide dust plate 18 and the secondary material guide dust prevention plate 19 are arranged alternately.

[0025] The above high modulus asphalt production system, when in operation, comprises the following steps:

[0026] (1) The induced draft fan 11 is started, and the base asphalt enters the production tank 1 through the pipeline. The production tank 1 is heated, and the agitator 10 starts to work. After the thermoplastic elastomer is broken by the bag breaker 6, it freely falls to the inclined vibrating screen 12. The inclined vibrating screen 12 starts to work. Most of the granular materials fall into the lower hopper 5 through the inclined vibrating screen 12, and a small part of the agglomerated granular materials slides into the crushing box 8 through the inclined vibrating screen 12. The crushing knife 16 crushes them and then slides back to the impurity removal and crushing box 2 by gravity; (2) After impurities are removed by the magnet 13 under the vibrating screen and the magnet 15 at the lower hopper, it enters the production tank through the spiral feeder 9. After being stirred evenly, the stabilizer is added through the feeding port 17 and the stirring is continued. Then, it enters the development tank 4 for treatment through the colloid mill 3.

Claims

1. A high modulus asphalt production system, characterized in that: The invention comprises a production tank (1) and a material removal and crushing box (2). The impurity removal and crushing box (2) is connected to a screw feeder (9) via a lower hopper (5). The screw feeder (9) is connected to the top of the production tank (1). The production tank (1) is connected to a growth tank (4) via a colloid mill (3). An inclined vibrating screen (12) is arranged inside the impurity removal and crushing box (2). A crushing box (8) is connected to the impurity removal and crushing box (2).

2. The high modulus asphalt production system according to claim 1, characterized in that: A dust collector (7) is arranged above the impurity removal and material breaking box (2), and a bag breaking machine (6) is arranged between the impurity removal and material breaking box (2) and the dust collector (7).

3. The high modulus asphalt production system according to claim 1, characterized in that: The inclined vibrating screen (12) is arranged at an angle, and the bulk materials slide down into the crushing box (8) by gravity through the inclined vibrating screen (12), and a crushing knife (16) is arranged in the crushing box (8).

4. The high modulus asphalt production system according to claim 1, characterized in that: A vibrating screen lower magnet (13) is provided below the inclined vibrating screen (12), and an oscillator (14) is provided on the outer side of the vertical wall of the impurity removal and material crushing box (2), and the oscillator (14) is located on the side away from the crushing box (8).

5. The high modulus asphalt production system according to claim 2, characterized in that: A lower hopper magnet (15) is provided below the lower hopper (5); the dust collector (7) is connected to an induced draft fan (11) through a pipeline; the production tank (1) is connected to the induced draft fan (11) through a pipeline; and the development tank (4) is connected to the induced draft fan (11) through a pipeline.

6. The high modulus asphalt production system according to claim 1, characterized in that: The production tank (1) is provided with a stirrer (10) inside, and a feed port (17) is provided above the production tank (1).

7. The high modulus asphalt production system according to claim 6, characterized in that: A primary material guide dust plate (18) and a secondary material guide dust prevention plate (19) are arranged inside the feeding port (17); the primary material guide dust plate (18) is located above the secondary material guide dust prevention plate (19); the primary material guide dust plate (18) and the secondary material guide dust prevention plate (19) are both arranged obliquely downward; the primary material guide dust plate (18) and the secondary material guide dust prevention plate (19) are arranged alternately.

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