PPA adding device for asphalt production

Abstract

The utility model discloses an asphalt production PPA adding device which comprises an asphalt tank, a motor is fixedly connected to the upper surface of the asphalt tank, a rotating shaft is fixedly connected to the output end of the motor, a stirring fan is fixedly connected to the side surface of the rotating shaft, and a feeding box is fixedly connected to the upper surface of the asphalt tank. The side surface of the feeding box is fixedly connected with a material pumping pipe, the upper surface of the asphalt tank is fixedly connected with a pump body, and the input end of the pump body is fixedly connected with the material pumping pipe. According to the structure, through cooperation of the feeding box, the pump body, the heating plate, the measuring cylinder, the heating pipe, the motor and the stirring fan, PPA does not need to be manually poured out for measurement when being added, the opportunity of being in contact with people is reduced, harm to the human body is avoided, the asphalt production risk is reduced, heating is conducted in the whole adding process, and the situation that PPA is high in viscosity and poor in fluidity and cannot flow out when the temperature is low is avoided; and after being added, the additive can be more uniformly mixed with asphalt under the action of a stirring fan.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt production, in particular to a PPA adding device for asphalt production. Background Art

[0002] During use, SBS modified asphalt pavement is subjected to the coupling effects of ultraviolet light, temperature, humidity, load, etc., which leads to aging of the matrix asphalt and chain breakage of SBS molecules, thereby reducing road performance. The addition of PPA can change the microstructure and chemical composition of asphalt, improve the PG grade of asphalt, and change the performance of asphalt. At present, it is necessary to develop in the asphalt production development tank for 2 hours before adding PPA. Most companies use manual addition for PPA. Since PPA is a toxic material, the entire addition process will cause certain harm to personnel, increase the risk of addition, and the asphalt after adding PPA is not mixed evenly with the original developed asphalt. Utility Model Content

[0003] According to the described PPA adding device for asphalt production, the purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a PPA adding device for asphalt production. Through the cooperation of a feeding box, a pump body, a heating plate, a measuring cylinder, a heating tube, a motor and a stirring fan, PPA does not need to be manually poured out and measured when added, thereby reducing the chance of contact with people, avoiding harm to the human body, and reducing the risk of asphalt production. The entire process of adding is heated to avoid the high viscosity of PPA and poor fluidity when the temperature is low and it cannot flow out. After adding, it can be mixed more evenly with the asphalt under the action of the stirring fan.

[0004] To achieve the above-mentioned purpose, the utility model also provides the above-mentioned asphalt tank, wherein the upper surface of the asphalt tank is fixedly connected with a motor, the motor provides power for the rotation of the stirring fan, the output end of the motor is fixedly connected with a rotating shaft, the side surface of the rotating shaft is fixedly connected with a stirring fan, the stirring fan mixes the asphalt evenly by rotating, and the added PPA can be fully mixed with the asphalt during the rotation, the upper surface of the asphalt tank is fixedly connected with a charging box, and the side surface of the charging box is fixedly connected with a pumping pipe;

[0005] A pump body is fixedly connected to the upper surface of the asphalt tank, and the pump body can extract the PPA in the charging box. The input end of the pump body is fixedly connected to the extraction pipe. A clamp is movably connected to the upper surface of the asphalt tank. A measuring cylinder is fixedly connected to the inner side wall of the clamp, and the measuring cylinder can quantify the extracted PPA. A connecting pipe is fixedly connected to the upper surface of the measuring cylinder, and a heating pipe is movably connected to the side surface of the measuring cylinder, and a discharge pipe is fixedly connected to the lower surface of the measuring cylinder. A controller is fixedly connected to the side surface of the asphalt tank, and a heating plate is fixedly connected to the side surface of the charging box, and the heating plate heats the PPA in the charging box to avoid its poor fluidity.

[0006] According to the PPA adding device for asphalt production, the motor is electrically connected to an external power source, and the side surface of the rotating shaft is rotatably connected to the asphalt tank.

[0007] According to the PPA adding device for asphalt production, a feed port is provided on the upper surface of the asphalt tank, and a discharge port is provided on the lower surface of the asphalt tank.

[0008] According to the PPA adding device for asphalt production, the lower surface of the asphalt tank is fixedly connected with supporting legs, and the side surface of the asphalt tank is provided with an inspection door.

[0009] According to the PPA adding device for asphalt production, a handle is fixedly connected to the side surface of the inspection door, and a sealing cover is threadedly connected to the upper surface of the feeding box.

[0010] According to the PPA adding device for asphalt production, one end of the connecting pipe is fixedly connected to the pump body, and a solenoid valve is provided inside the discharge pipe.

[0011] According to the PPA adding device for asphalt production, the side surface of the measuring cylinder is provided with a scale, and the controller, the heating plate, the heating tube, and the pump body are all electrically connected to an external power source.

[0012] According to the PPA adding device for asphalt production, the heating plate, heating pipe and pump body are all electrically connected to the controller.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a front view of a PPA adding device for asphalt production according to the utility model;

[0016] Figure 2 This is a side view of a PPA adding device for asphalt production according to the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of an asphalt tank of a PPA adding device for asphalt production according to the utility model;

[0018] Figure 4 It is a partial structural schematic diagram of a PPA adding device for asphalt production according to the utility model.

[0019] Legend:

[0020] 1. Asphalt tank; 2. Motor; 3. Rotating shaft; 4. Mixing fan; 5. Discharge port; 6. Support legs; 7. Inspection door; 8. Handle; 9. Feeding box; 10. Pump body; 11. Extraction pipe; 12. Measuring cylinder; 13. Pallet; 14. Heating tube; 15. Scale; 16. Discharge pipe; 17. Controller; 18. Heating plate. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment is a PPA adding device for asphalt production, which includes an asphalt tank 1, a motor 2 is fixedly connected to the upper surface of the asphalt tank 1, the motor 2 is electrically connected to an external power supply, the side surface of the rotating shaft 3 is rotatably connected to the asphalt tank 1, the motor 2 provides power for the rotation of the stirring fan 4, the output end of the motor 2 is fixedly connected to the rotating shaft 3, the side surface of the rotating shaft 3 is fixedly connected to the stirring fan 4, the stirring fan 4 mixes the asphalt evenly by rotating, and the added PPA and asphalt can be fully mixed during rotation, the upper surface of the asphalt tank 1 is fixedly connected to a feeding box 9, the side surface of the feeding box 9 is fixedly connected to a pumping pipe 11, the upper surface of the asphalt tank 1 is provided with a feeding port, the lower surface of the asphalt tank 1 is provided with a discharge port 5, the lower surface of the asphalt tank 1 is fixedly connected to a support leg 6, the side surface of the asphalt tank 1 is provided with an inspection door 7, the side surface of the inspection door 7 is fixedly connected to a handle 8, the upper surface of the feeding box 9 is threadedly connected to a sealing cover, one end of the connecting pipe is fixedly connected to a pump body 10, and an electromagnetic valve is provided inside the discharge pipe 16.

[0023] A pump body 10 is fixedly connected to the upper surface of the asphalt tank 1, and the pump body 10 can extract the PPA in the charging box 9. The input end of the pump body 10 is fixedly connected to the extraction pipe 11. A card plate 13 is movably connected to the upper surface of the asphalt tank 1. A measuring cylinder 12 is fixedly connected to the inner wall of the card plate 13. The measuring cylinder 12 can quantify the extracted PPA. A connecting pipe is fixedly connected to the upper surface of the measuring cylinder 12. A heating pipe 14 is movably connected to the side surface of the measuring cylinder 12. A discharge pipe 16 is fixedly connected to the lower surface of the measuring cylinder 12. A controller 17 is fixedly connected to the side surface of the asphalt tank 1. A heating plate 18 is fixedly connected to the side surface of the charging box 9. The heating plate 18 heats the PPA in the charging box 9 to avoid its poor fluidity. A scale 15 is set on the side surface of the measuring cylinder 12. The controller 17, the heating plate 18, the heating pipe 14, and the pump body 10 are all electrically connected to an external power supply. The heating plate 18, the heating pipe 14, and the pump body 10 are all electrically connected to the controller 17.

[0024] Working principle: Turn on the power and start the heating plate 18 to heat the PPA in the charging box 9. After the asphalt is stirred and developed in the asphalt tank 1 for two hours, start the heating tube 14 to heat the measuring cylinder 12, and at the same time start the pump body 10 to draw the PPA from the charging box 9 into the measuring cylinder 12. After the feeding amount is reached, close the pump body 10, open the solenoid valve to allow the PPA to flow out to the inside of the asphalt tank 1, start the motor 2 to rotate the stirring fan 4 to make the mixture evenly mixed.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A PPA adding device for asphalt production, characterized in that: include: An asphalt tank (1), wherein a motor (2) is fixedly connected to the upper surface of the asphalt tank (1), a rotating shaft (3) is fixedly connected to the output end of the motor (2), a stirring fan (4) is fixedly connected to the side surface of the rotating shaft (3), a charging box (9) is fixedly connected to the upper surface of the asphalt tank (1), and a pumping pipe (11) is fixedly connected to the side surface of the charging box (9); The upper surface of the asphalt tank (1) is fixedly connected to a pump body (10), the input end of the pump body (10) is fixedly connected to a pumping pipe (11), the upper surface of the asphalt tank (1) is movably connected to a clamping plate (13), the inner side wall of the clamping plate (13) is fixedly connected to a measuring cylinder (12), the upper surface of the measuring cylinder (12) is fixedly connected to a connecting pipe, the side surface of the measuring cylinder (12) is movably connected to a heating pipe (14), the lower surface of the measuring cylinder (12) is fixedly connected to a discharge pipe (16), the side surface of the asphalt tank (1) is fixedly connected to a controller (17), and the side surface of the feeding box (9) is fixedly connected to a heating plate (18).

2. The PPA adding device for asphalt production according to claim 1, characterized in that: The motor (2) is electrically connected to an external power source, and the side surface of the rotating shaft (3) is rotationally connected to the asphalt tank (1).

3. The PPA adding device for asphalt production according to claim 1, characterized in that: The upper surface of the asphalt tank (1) is provided with a feed inlet, and the lower surface of the asphalt tank (1) is provided with a discharge outlet (5).

4. The PPA adding device for asphalt production according to claim 1, characterized in that: A support leg (6) is fixedly connected to the lower surface of the asphalt tank (1), and an inspection door (7) is provided on the side surface of the asphalt tank (1).

5. The PPA adding device for asphalt production according to claim 4, characterized in that: A handle (8) is fixedly connected to the side surface of the inspection door (7), and a sealing cover is threadedly connected to the upper surface of the charging box (9).

6. The PPA adding device for asphalt production according to claim 1, characterized in that: One end of the connecting pipe is fixedly connected to the pump body (10), and a solenoid valve is arranged inside the discharge pipe (16).

7. The PPA adding device for asphalt production according to claim 1, characterized in that: The side surface of the measuring cylinder (12) is provided with a scale (15), and the controller (17), the heating plate (18), the heating tube (14), and the pump body (10) are all electrically connected to an external power source.

8. The PPA adding device for asphalt production according to claim 1, characterized in that: The heating plate (18), the heating tube (14) and the pump body (10) are all electrically connected to the controller (17).

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