Environment-friendly asphalt heating device

Abstract

The utility model belongs to the technical field of asphalt heating, particularly relates to an environment-friendly asphalt heating device, and aims to solve the problems that the conventional asphalt heating device can generate a large amount of flue gas in the heating process, the flue gas contains more toxic substances, and the conventional asphalt heating tank cannot remove the toxic and harmful substances in the discharged flue gas, so that the environment-friendly asphalt heating device is environment-friendly. According to the scheme, the asphalt heating device comprises a heating cylinder used for heating asphalt, a feeding port is formed in the top of the heating cylinder, the bottom side of the heating cylinder is communicated with a discharging port, and a resistance wire used for electric heating is wound around the outer side of the heating cylinder; and the shell is used for protecting and supporting the heating cylinder. Asphalt is stirred through the stirring mechanism, so that the asphalt is uniformly heated, the asphalt heating effect is improved, the asphalt is prevented from being attached to the inner wall of the heating cylinder, flue gas can be cooled and filtered, and environmental pollution caused by flue gas emission is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt heating, in particular to an environmentally friendly asphalt heating device. Background Art

[0002] Asphalt is a product of crude oil processing. At room temperature, it is a black or dark brown viscous liquid or solid. It mainly contains soluble trichloroethylene olefin derivatives. Its properties and composition vary with its source and production method. Asphalt, like petroleum, is a complex organic mixture with no fixed chemical composition and physical constants. Many oil minerals form a continuous series in a transitional form. The most common asphalt in daily life is used to mix concrete for road paving. After searching, the public (announcement) number is: CN218539586U. An environmentally friendly asphalt heating treatment device includes a support, an insulation tank, a heating component, a circulation component and a stirring component; the insulation tank is fixedly connected to the top of the support; the heating component includes a heating box, and the heating box is fixedly connected to the outer wall of one side of the insulation tank, the inner wall of the heating box is fixedly connected to a heat exchange seat, the top outer wall of the heat exchange seat is fixedly connected to a plurality of equidistantly distributed heat exchange tubes, and the heat exchange tubes all pass through the bottom outer wall of the heat exchange seat, the outer wall of one side of the heat exchange seat is fixedly connected to two steam pipes, and the two steam pipes all pass through the outer wall of one side of the heating box; the outer wall of one side of the insulation tank is fixedly connected to an output pipe, so that during the circulation of the heat transfer oil, the output pipe can always be immersed in the heated heat transfer oil, so that the asphalt material in the output pipe will not be converted into a semi-solid state due to cooling, which is convenient for unloading.

[0003] The existing asphalt heating device will generate a large amount of smoke during the heating process, and the smoke contains a lot of toxic substances. The existing asphalt heating tank is unable to remove the toxic and harmful substances in the exhaust smoke, which affects the health of the workers. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the existing asphalt heating device will generate a large amount of smoke during the heating process, and the smoke contains a large number of toxic substances, and the existing asphalt heating tank is unable to remove the toxic and harmful substances in the exhausted smoke, resulting in the health of the workers being affected. An environmentally friendly asphalt heating device is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An environmentally friendly asphalt heating device, comprising:

[0007] The heating cylinder is used to heat the asphalt. The top of the heating cylinder is provided with a feeding port, the bottom of the heating cylinder is connected with a discharge port, and the outer side of the heating cylinder is wound with a resistance wire for electric heating;

[0008] The shell is used to protect and support the heating tube, and the heating tube is fixedly arranged inside the shell;

[0009] A stirring mechanism, used to stir the asphalt added inside the heating cylinder, installed on the heating cylinder;

[0010] The cooling and filtering mechanism is arranged on the outer side of the shell, and a smoke pipe is connected between the heating cylinder and the cooling and filtering mechanism.

[0011] Preferably, the top of the feeding port is a trumpet structure and a sealing cover is installed by rotating a hinge; the sealing cover seals the feeding port to prevent smoke from being discharged through the feeding port when the asphalt is heated.

[0012] Preferably, the stirring mechanism includes a stirring shaft, which is rotatably installed in the heating cylinder, a plurality of stirring rods are installed on the outside of the stirring shaft, a servo motor is installed on the outside of the outer shell, and the output shaft of the servo motor is fixedly installed on the stirring shaft; a round rod is installed on the outside of the stirring shaft, and an arc-shaped scraper is fixedly installed on the outside of the round rod, and the arc-shaped scraper is in contact with the inner wall of the heating cylinder; the servo motor drives the stirring shaft to rotate, and the stirring shaft drives the plurality of stirring rods to stir the asphalt, so that the asphalt is heated evenly and the asphalt heating effect is improved. The stirring shaft drives the arc-shaped scraper to clean the inner wall of the heating cylinder through the round rod to prevent the asphalt from adhering to the inner wall of the heating cylinder.

[0013] Preferably, the cooling and filtering mechanism includes a cooling box, the top of which is provided with an inlet, the bottom side of the cooling box is connected to a discharge pipe for discharging sewage, and a flue gas pipe extends directly into the cooling box; the flue gas generated by heating enters the cooling box through the flue gas pipe, and the cooling water pre-stored in the cooling box cools and filters the flue gas.

[0014] Preferably, a first filter and a second filter are arranged in sequence from top to bottom in the cooling box, and the aperture of the second filter is smaller than that of the first filter; the second filter and the first filter are arranged to perform dust-proof filtering on the gas in sequence, further reducing the pollution of the smoke emission to the environment.

[0015] In the utility model, the beneficial effects of the environmentally friendly asphalt heating device are:

[0016] In this solution, asphalt is added into the heating cylinder through the feeding port, the resistance wire is energized to convert electrical energy into thermal energy, and the asphalt inside the heating cylinder is heated. The servo motor drives the stirring shaft to rotate, and the stirring shaft drives multiple stirring rods to stir the asphalt, so that the asphalt is heated evenly and the asphalt heating effect is improved. The stirring shaft drives the arc scraper to clean the inner wall of the heating cylinder through the round rod to prevent the asphalt from adhering to the inner wall of the heating cylinder;

[0017] The flue gas generated by heating in this solution enters the cooling box through the flue gas pipe. The cooling water pre-stored in the cooling box cools down and filters the flue gas. The second filter and the first filter are provided to filter the gas in turn to prevent dust, further reducing the pollution of the flue gas emission to the environment.

[0018] The utility model has a simple structure, and the asphalt is stirred by the stirring mechanism so that the asphalt is heated evenly, the asphalt heating effect is improved, and the asphalt is prevented from adhering to the inner wall of the heating cylinder. The smoke can be cooled and filtered, and the pollution to the environment by the smoke emission is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of an environmentally friendly asphalt heating device proposed by the utility model;

[0020] Figure 2 This is a structural schematic diagram of the stirring mechanism proposed in the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the resistance wire proposed by the utility model.

[0022] In the figure: 1. Shell; 2. Feeding port; 3. Sealing cover; 4. Discharging port; 5. Heating cylinder; 6. Resistance wire; 7. Servo motor; 8. Stirring shaft; 9. Stirring rod; 10. Round rod; 11. Arc scraper; 12. Smoke pipe; 13. Cooling box; 14. Feeding port; 15. First filter; 16. Second filter; 17. Discharge pipe. DETAILED DESCRIPTION

[0023] The technical solution of this embodiment will be clearly and completely described below in conjunction with the drawings in this embodiment. Obviously, the described embodiment is only a part of this embodiment, rather than all of the embodiments. Embodiment 1

[0024] Combine the following Figure 1-Figure 3 The present application is further described in detail.

[0025] An environmentally friendly asphalt heating device, comprising:

[0026] The heating cylinder 5 is used to heat the asphalt. The top of the heating cylinder 5 is provided with a feeding port 2. The bottom side of the heating cylinder 5 is connected with a discharge port 4. The outer side of the heating cylinder 5 is wound with a resistance wire 6 for electric heating.

[0027] The housing 1 is used to protect and support the heating tube 5, and the heating tube 5 is fixedly arranged inside the housing 1;

[0028] A stirring mechanism, used for stirring the asphalt added into the heating cylinder 5, installed on the heating cylinder 5;

[0029] The cooling and filtering mechanism is arranged on the outside of the housing 1 , and a smoke pipe 12 is connected between the heating cylinder 5 and the cooling and filtering mechanism.

[0030] In this embodiment, the top of the feed port 2 is a trumpet structure and a sealing cover 3 is installed by hinge rotation; the sealing cover 3 seals the feed port 2 to prevent smoke from being discharged through the feed port 2 when the asphalt is heated.

[0031] In this embodiment, the stirring mechanism includes a stirring shaft 8, which is rotatably installed in the heating tube 5. A plurality of stirring rods 9 are installed on the outer side of the stirring shaft 8. A servo motor 7 is installed on the outer side of the outer shell 1, and the output shaft of the servo motor 7 is fixedly installed on the stirring shaft 8; a round rod 10 is installed on the outer side of the stirring shaft 8, and an arc scraper 11 is fixedly installed on the outer side of the round rod 10, and the arc scraper 11 is in contact with the inner wall of the heating tube 5; the servo motor 7 drives the stirring shaft 8 to rotate, and the stirring shaft 8 drives the plurality of stirring rods 9 to stir the asphalt, so that the asphalt is heated evenly and the asphalt heating effect is improved. The stirring shaft 8 drives the arc scraper 11 to clean the inner wall of the heating tube 5 through the round rod 10 to prevent the asphalt from adhering to the inner wall of the heating tube 5.

[0032] In this embodiment, the cooling and filtering mechanism includes a cooling box 13, the top of which is provided with an inlet 14, the bottom side of the cooling box 13 is connected with a discharge pipe 17 for discharging sewage, and the flue gas pipe 12 extends directly into the cooling box 13; the flue gas generated by heating enters the cooling box 13 through the flue gas pipe 12, and the cooling water pre-stored in the cooling box 13 cools and filters the flue gas.

[0033] In this embodiment, a first filter 15 and a second filter 16 are arranged in the cooling box 13 from top to bottom, and the aperture of the second filter 16 is smaller than the aperture of the first filter 15; the second filter 16 and the first filter 15 are arranged to filter the gas for dust prevention in turn, further reducing the pollution of the smoke emission to the environment.

[0034] Working principle: when in use, the power supply and PLC controller can be turned on to control the electrical appliances. The prior art will not be described here. The sealing cover 3 is opened, and asphalt is added to the heating cylinder 5 through the feeding port 2. The resistance wire 6 is energized to convert electrical energy into thermal energy to heat the heating cylinder 5 so that the asphalt is heated. The servo motor 7 drives the stirring shaft 8 to rotate, and the stirring shaft 8 drives multiple stirring rods 9 to stir the asphalt so that the asphalt is heated evenly and the asphalt heating effect is improved. The stirring shaft 8 drives the arc scraper 11 to clean the inner wall of the heating cylinder 5 through the round rod 10 to prevent the asphalt from adhering to the inner wall of the heating cylinder 5. The flue gas generated by heating enters the cooling box 13 through the flue gas pipe 12. The cooling water pre-stored in the cooling box 13 cools and filters the flue gas. The second filter 16 and the first filter 15 are set to filter the gas in turn to prevent dust, further reducing the pollution of flue gas emissions to the environment. After the asphalt is heated, it is discharged through the discharge port 4. Embodiment 2

[0035] The difference between Example 2 and Example 1 is that shock absorbers are provided at the four corners of the bottom of the shell 1, and rubber pads are provided at the bottom of the four shock absorbers. The four shock absorbers can reduce the vibration generated by the shell 1 and the heating tube 5 during operation. This application includes all the structural shapes, sizes and materials of Example 1. In order to meet specific usage conditions, they can be selected and adjusted. The accompanying drawings are all schematic structural diagrams, and the specific actual sizes can be appropriately adjusted.

[0036] The above is only a preferred specific implementation of this embodiment, but the protection scope of this embodiment is not limited to this. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of this embodiment within the technical scope disclosed in this embodiment, which should be covered by the protection scope of this embodiment.

Claims

1. An environmentally friendly asphalt heating device, characterized in that: include: A heating cylinder (5) is used to heat asphalt. A feeding port (2) is provided on the top of the heating cylinder (5). A discharge port (4) is connected to the bottom of the heating cylinder (5). A resistance wire (6) for electric heating is wound around the outside of the heating cylinder (5). An outer shell (1) is used to protect and support the heating cylinder (5), and the heating cylinder (5) is fixedly arranged inside the outer shell (1); A stirring mechanism, used for stirring the asphalt added to the interior of the heating cylinder (5), and installed on the heating cylinder (5); The cooling and filtering mechanism is arranged outside the outer shell (1), and a smoke pipe (12) is connected between the heating cylinder (5) and the cooling and filtering mechanism.

2. The environmentally friendly asphalt heating device according to claim 1 is characterized in that: The top of the feeding port (2) is a trumpet structure and is provided with a sealing cover (3) which is rotatably mounted via a hinge.

3. The environmentally friendly asphalt heating device according to claim 1, characterized in that: The stirring mechanism comprises a stirring shaft (8), the stirring shaft (8) being rotatably mounted in the heating cylinder (5), a plurality of stirring rods (9) being mounted on the outside of the stirring shaft (8), a servo motor (7) being mounted on the outside of the housing (1), and an output shaft of the servo motor (7) being fixedly mounted on the stirring shaft (8).

4. The environmentally friendly asphalt heating device according to claim 3 is characterized in that: A round rod (10) is mounted on the outside of the stirring shaft (8), and an arc-shaped scraper (11) is fixedly mounted on the outside of the round rod (10), and the arc-shaped scraper (11) is in contact with the inner wall of the heating cylinder (5).

5. The environmentally friendly asphalt heating device according to claim 1 is characterized in that: The cooling and filtering mechanism comprises a cooling box (13), the top of the cooling box (13) is provided with a charging port (14), the bottom side of the cooling box (13) is connected to a discharge pipe (17) for discharging sewage, and the flue gas pipe (12) extends directly into the cooling box (13).

6. The environmentally friendly asphalt heating device according to claim 5, characterized in that: A first filter screen (15) and a second filter screen (16) are arranged in sequence from top to bottom in the cooling box (13); the aperture of the second filter screen (16) is smaller than the aperture of the first filter screen (15).

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