A modified asphalt mixing device

Abstract

This utility model discloses a modified asphalt mixing device, including a treatment tank with a support frame fixedly connected to its surface. The feed pipe is opened to inject aggregate and asphalt into the treatment tank. A heating and mixing assembly is activated to mix the asphalt and aggregate. Clean water is injected into a storage tank. A suction connection mechanism is activated to draw waste gas into the storage tank to contact with the clean water. Simultaneously, a liquid-changing spray assembly is activated to atomize the clean water and spray it upwards into the storage tank, thus performing multiple adsorption and purification processes on the waste gas. After entering the purification chamber, the waste gas passes through a filtration and purification mechanism to adsorb and purify odor factors and impurities. The waste gas is then discharged through an exhaust pipe. This device achieves the goal of automatically purifying and discharging harmful gases generated during the modified asphalt mixing process, avoiding the problem of existing mixing devices being unable to purify waste gas, thus preventing pollution of the surrounding processing environment and harm to human health.

Description

Technical Field

[0001] This utility model relates to the field of modified asphalt processing technology, and in particular to a modified asphalt mixing device. Background Technology

[0002] Modified asphalt is a special asphalt material made by adding modifiers such as rubber, resin, or high molecular polymers to base asphalt and then processing it through shearing and mixing. Its core advantage lies in significantly improving the high and low temperature performance and fatigue resistance of asphalt, extending pavement life from 15 years to more than 35 years, while reducing carbon emissions.

[0003] During the production and processing of modified asphalt, a mixing device is required to heat and mix the asphalt and aggregates. During the mixing process, various harmful gases are usually generated. These gases mainly come from high-temperature processing and chemical modification processes. However, the existing mixing devices are unable to purify these harmful gases, resulting in the gases polluting the surrounding processing environment after emission and endangering human health. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a modified asphalt mixing device to solve the aforementioned problems.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A modified asphalt mixing device includes a treatment tank, a support frame fixedly connected to the surface of the treatment tank, a one-way air inlet valve fixedly connected to the inner wall of the treatment tank, a feed pipe fixedly connected to the inner wall of the treatment tank, a discharge pipe fixedly connected to the inner wall of the treatment tank, a storage tank fixedly connected to the right side of the treatment tank, a purification box fixedly connected to the right side of the storage tank, an exhaust pipe fixedly connected to the inner wall of the purification box, a support rod fixedly connected to the bottom surface of the purification box, a suction connection mechanism provided inside the treatment tank, a liquid exchange spray assembly provided inside the storage tank, a filtration and purification mechanism provided inside the purification box, and a heating and stirring assembly provided on the top surface of the treatment tank.

[0006] Preferably, the suction connection mechanism consists of a suction pipe, a fan, and a connecting pipe. The air inlet end of the suction pipe is fixedly connected to the inner wall of the treatment tank, the fan is fixedly connected to the inner wall of the suction pipe and the top surface of the storage tank, the air inlet end of the connecting pipe is fixedly connected to the inner wall of the storage tank, and the air outlet end of the connecting pipe is fixedly connected to the inner wall of the purification box.

[0007] Preferably, the liquid replacement spray assembly consists of a liquid replacement pipe, a connecting water pipe, a water pump, and an atomizing nozzle. The liquid replacement pipe is fixedly connected to the inner wall of the storage tank, the inlet end of the connecting water pipe is fixedly connected to the inner wall of the storage tank, the water pump is fixedly connected to the inner wall of the connecting water pipe and to the bottom surface of the storage tank, and the atomizing nozzle is fixedly connected to the inner wall of the storage tank, with the inlet end of the atomizing nozzle fixedly connected to the outlet end of the connecting water pipe.

[0008] Preferably, the filtration and purification mechanism consists of a fixed frame, a filter bag, an activated carbon adsorption plate, and a filter membrane. The fixed frame is fixedly connected to the inner wall of the purification chamber, the filter bag is fixedly connected to the inner wall of the fixed frame, the activated carbon adsorption plate is fixedly connected to the inner wall of the purification chamber, and the filter membrane is fixedly connected to the bottom surface of the activated carbon adsorption plate.

[0009] Preferably, the heating and stirring assembly consists of a servo motor, a stirring rod, and a heating rod. The servo motor is fixedly connected to the top surface of the processing tank, and the output end of the servo motor is rotatably connected to the inner wall of the processing tank. The stirring rod is fixedly connected to the output end of the servo motor, and the heating rod is fixedly connected to the inner wall of the processing tank.

[0010] Preferably, the support rod is rectangular and made of metal.

[0011] Preferably, there are multiple heating rods, and all of the multiple heating rods are located inside the processing tank.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: This modified asphalt mixing device, by opening the feed pipe to inject aggregate and asphalt into the processing tank, starting the heating and mixing component to mix the asphalt and aggregate, injecting clean water into the storage tank, starting the suction connection mechanism to draw the waste gas into the storage tank to contact with the clean water, and simultaneously starting the liquid replacement spray component to atomize the clean water and spray it onto the inside and above of the storage tank, can perform multiple adsorption and purification operations on the waste gas. After the waste gas enters the purification box, the odor factors and impurities in the waste gas can be adsorbed and purified by the filtration and purification mechanism, and the waste gas can be discharged through the exhaust pipe. This achieves the goal of automatically purifying and discharging harmful gases generated during the modified asphalt mixing process, avoiding the problem that existing mixing devices are difficult to purify waste gas, thus causing waste gas pollution of the surrounding processing environment and harming human health. Attached Figure Description

[0013] Figure 1 This is an isometric drawing of the structure of this utility model; Figure 2 This is a rear sectional view of the structure of this utility model; Figure 3 This is an enlarged view of the structure at point A of this utility model; Figure 4 This is an enlarged view of structure B in this utility model.

[0014] In the diagram: 1. Processing tank; 2. Support frame; 3. One-way air inlet valve; 4. Feed pipe; 5. Discharge pipe; 6. Storage tank; 7. Purification box; 8. Exhaust pipe; 9. Support rod; 10. Suction pipe; 11. Fan; 12. Connecting pipe; 13. Liquid replacement pipe; 14. Connecting water pipe; 15. Water pump; 16. Atomizing nozzle; 17. Fixing frame; 18. Filter bag; 19. Activated carbon adsorption plate; 20. Filter membrane; 21. Servo motor; 22. Stirring rod; 23. Heating rod. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Example: Refer to Figure 1-4 A modified asphalt mixing device includes a treatment tank 1, a support frame 2 fixedly connected to the surface of the treatment tank 1, a one-way air inlet valve 3 fixedly connected to the inner wall of the treatment tank 1, a feed pipe 4 fixedly connected to the inner wall of the treatment tank 1, a discharge pipe 5 fixedly connected to the inner wall of the treatment tank 1, a storage tank 6 fixedly connected to the right side of the treatment tank 1, a purification box 7 fixedly connected to the right side of the storage tank 6, an exhaust pipe 8 fixedly connected to the inner wall of the purification box 7, and a support rod 9 fixedly connected to the bottom surface of the purification box 7. The support rod 9 is rectangular and made of metal, used to support and fix the purification box 7, improving its stability. A suction connection mechanism is provided inside the treatment tank 1, consisting of a suction pipe 10, a blower 11, and a connecting pipe 12. The air inlet end of the suction pipe 10 is fixedly connected to the inner wall of the treatment tank 1, the blower 11 is fixedly connected to the inner wall of the suction pipe 10, and the blower 11 is fixedly connected to the top surface of the storage tank 6. The air inlet of pipe 12 is fixedly connected to the inner wall of the storage tank 6, and the air outlet of pipe 12 is fixedly connected to the inner wall of the purification box 7. It is used to draw and transport waste gas, which facilitates multiple purification operations. The storage tank 6 is equipped with a liquid replacement spray assembly, which consists of a liquid replacement pipe 13, a connecting water pipe 14, a water pump 15, and an atomizing nozzle 16. The liquid replacement pipe 13 is fixedly connected to the inner wall of the storage tank 6, the liquid inlet of the connecting water pipe 14 is fixedly connected to the inner wall of the storage tank 6, the water pump 15 is fixedly connected to the inner wall of the connecting water pipe 14, and the water pump 15 is fixedly connected to the bottom surface of the storage tank 6. The atomizing nozzle 16 is fixedly connected to the inner wall of the storage tank 6, and the liquid inlet of the atomizing nozzle 16 is fixedly connected to the liquid outlet of the connecting water pipe 14. It is used to atomize and spray clean water, which facilitates secondary adsorption of harmful substances in the waste gas by clean water. The purification box 7 is equipped with a filtration and purification mechanism, and the top surface of the treatment tank 1 is equipped with a heating and stirring assembly.

[0017] Specifically, the filtration and purification mechanism consists of a fixed frame 17, a filter bag 18, an activated carbon adsorption plate 19, and a filter membrane 20. The fixed frame 17 is fixedly connected to the inner wall of the purification chamber 7, the filter bag 18 is fixedly connected to the inner wall of the fixed frame 17, the activated carbon adsorption plate 19 is fixedly connected to the inner wall of the purification chamber 7, and the filter membrane 20 is fixedly connected to the bottom surface of the activated carbon adsorption plate 19. It is used to adsorb and filter impurities and factors in the waste gas, thereby improving the purification effect.

[0018] Specifically, the heating and stirring assembly consists of a servo motor 21, a stirring rod 22, and a heating rod 23. There are multiple heating rods 23, all of which are located inside the processing tank 1. They are used to heat the asphalt, which improves the heating uniformity. The servo motor 21 is fixedly connected to the top surface of the processing tank 1, and the output end of the servo motor 21 is rotatably connected to the inner wall of the processing tank 1. The stirring rod 22 is fixedly connected to the output end of the servo motor 21, and the heating rod 23 is fixedly connected to the inner wall of the processing tank 1. They are used to heat and stir the asphalt, thus preventing the asphalt from cooling and solidifying.

[0019] In use: First, open the feed pipe 4 to inject aggregate and asphalt into the processing tank 1. Start the heating rod 23 to heat the raw materials through the processing tank 1. Start the servo motor 21 to drive the stirring rod 22 to rotate, which will mix the asphalt and aggregate. Open the liquid exchange pipe 13 to inject clean water into the storage tank 6. When harmful gases are generated during the mixing process, start the blower 11 to draw the exhaust gas into the storage tank 6 through the suction pipe 10 and the one-way air inlet valve 3 to contact the clean water. At the same time, start the water pump 15 to connect the water pipe 14. Clean water is drawn into the atomizing nozzle 16, and after being atomized by the nozzle 16, it is sprayed onto the upper part of the storage tank 6. The clean water can then perform multiple adsorption and purification processes on the harmful substances in the exhaust gas. The exhaust gas after adsorption enters the purification box 7 through the connecting pipe 12. The filter bag 18 can filter and collect particulate impurities in the exhaust gas. At the same time, the activated carbon adsorption plate 19 and the filter membrane 20 can adsorb and purify odor factors and small particulate impurities in the exhaust gas. The treated exhaust gas can be discharged through the exhaust pipe 8.

[0020] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A modified bitumen mixing plant comprising a processing tank (1), characterized in that, The processing tank (1) is fixedly connected to a support frame (2), the inner wall of the processing tank (1) is fixedly connected to a one-way air inlet valve (3), the inner wall of the processing tank (1) is fixedly connected to a feed pipe (4), the inner wall of the processing tank (1) is fixedly connected to a discharge pipe (5), the right side of the processing tank (1) is fixedly connected to a storage tank (6), the right side of the storage tank (6) is fixedly connected to a purification box (7), the inner wall of the purification box (7) is fixedly connected to an exhaust pipe (8), the bottom surface of the purification box (7) is fixedly connected to a support rod (9), the processing tank (1) is provided with a suction connection mechanism, the storage tank (6) is provided with a liquid replacement spray assembly, the purification box (7) is provided with a filtration and purification mechanism, and the top surface of the processing tank (1) is provided with a heating and stirring assembly.

2. The modified bitumen mixing apparatus of claim 1, wherein, The suction connection mechanism consists of a suction pipe (10), a fan (11) and a connecting pipe (12). The air inlet end of the suction pipe (10) is fixedly connected to the inner wall of the treatment tank (1). The fan (11) is fixedly connected to the inner wall of the suction pipe (10) and the top surface of the storage tank (6). The air inlet end of the connecting pipe (12) is fixedly connected to the inner wall of the storage tank (6) and the air outlet end of the connecting pipe (12) is fixedly connected to the inner wall of the purification box (7).

3. The modified bitumen mixing apparatus of claim 1, wherein, The liquid replacement spray assembly consists of a liquid replacement pipe (13), a connecting water pipe (14), a water pump (15), and an atomizing nozzle (16). The liquid replacement pipe (13) is fixedly connected to the inner wall of the storage tank (6). The inlet end of the connecting water pipe (14) is fixedly connected to the inner wall of the storage tank (6). The water pump (15) is fixedly connected to the inner wall of the connecting water pipe (14) and is also fixedly connected to the bottom surface of the storage tank (6). The atomizing nozzle (16) is fixedly connected to the inner wall of the storage tank (6) and is also fixedly connected to the outlet end of the connecting water pipe (14).

4. The modified bitumen mixing apparatus of claim 1, wherein, The filtration and purification mechanism consists of a fixed frame (17), a filter bag (18), an activated carbon adsorption plate (19), and a filter membrane (20). The fixed frame (17) is fixedly connected to the inner wall of the purification box (7), the filter bag (18) is fixedly connected to the inner wall of the fixed frame (17), the activated carbon adsorption plate (19) is fixedly connected to the inner wall of the purification box (7), and the filter membrane (20) is fixedly connected to the bottom surface of the activated carbon adsorption plate (19).

5. The modified bitumen mixing apparatus of claim 1, wherein, The heating and stirring assembly consists of a servo motor (21), a stirring rod (22), and a heating rod (23). The servo motor (21) is fixedly connected to the top surface of the processing tank (1), and the output end of the servo motor (21) is rotatably connected to the inner wall of the processing tank (1). The stirring rod (22) is fixedly connected to the output end of the servo motor (21), and the heating rod (23) is fixedly connected to the inner wall of the processing tank (1).

6. The modified bitumen mixing apparatus of claim 1, wherein, The support rod (9) is rectangular and made of metal.

7. The modified bitumen mixing apparatus of claim 5, wherein, The number of heating rods (23) is multiple, and all of the heating rods (23) are located inside the processing tank (1).

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