Asphalt heating device

Abstract

The utility model discloses an asphalt heating device which comprises a heating tank body, supporting legs are arranged at the lower end of the heating tank body, a supporting plate is fixedly connected to the upper surface of the heating tank body, a driving motor is fixedly connected to the upper surface of the supporting plate, and a first gear is rotationally connected to the lower end of one end of the supporting plate. An opening is formed in the upper surface of the heating tank body, and the inner wall of the opening of the heating tank body is rotationally connected with a driving shaft. The asphalt heating device is provided with an auxiliary shaft and a positioning shaft, when the asphalt heating device works, a driving motor drives a first gear to rotate, so that the first gear drives a second gear and a driving shaft to rotate, and the driving shaft drives the auxiliary shaft to rotate through a mounting plate; the positioning shaft drives the two auxiliary shafts to be opposite to the mounting plate through the transmission chain, so that raw materials can be conveniently turned through the driving shaft and the auxiliary shafts, the raw material mixing effect is improved, and the raw material heating uniformity is improved.

Description

Technical Field

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

[0002] Asphalt is a dark brown complex mixture composed of hydrocarbons of different molecular weights and their non-metallic derivatives. It is a kind of high-viscosity organic liquid, mostly in the form of liquid or semi-solid petroleum. The surface is black and it is soluble in carbon disulfide and carbon tetrachloride. Asphalt is an organic gelling material that is waterproof, moisture-proof and anti-corrosive. Asphalt can be mainly divided into three types: coal tar asphalt, petroleum asphalt and natural asphalt. Coal tar asphalt is a by-product of coking, petroleum asphalt is the residue after crude oil distillation, and natural asphalt is stored underground. Some form mineral layers or accumulate on the surface of the earth's crust. Asphalt is mainly used in industries such as coatings, plastics, rubber, and road paving.

[0003] Asphalt can only be further processed after being heated to a high temperature to ensure its fluidity. Therefore, certain equipment is required for high-temperature heating. When using existing asphalt heating devices, a rotating motor is generally used to drive a rotating rod to rotate to mix and stir the asphalt raw materials. However, the rotating rod alone does not stir thoroughly enough, making it difficult for the upper and lower layers of the internal fluid to mix, and the asphalt is not heated evenly. Utility Model Content

[0004] The utility model aims to provide an asphalt heating device to solve the problem in the above background technology that the single rotating rod does not stir thoroughly enough, making it difficult to mix the upper and lower layers of the internal fluid and the asphalt is not heated evenly.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an asphalt heating device, comprising a heating tank body, a lower end of which is provided with a supporting foot, the upper surface of the heating tank body is fixedly connected to a supporting plate, and the upper surface of the supporting plate is fixedly connected to a driving motor, the lower end of one end of the supporting plate is rotatably connected to a first gear, the upper surface of the heating tank body is provided with an opening, and the inner wall of the opening of the heating tank body is rotatably connected to a driving shaft, the upper end of the driving shaft is fixedly connected to a second gear, the outer surface of the driving shaft is fixedly connected to two mounting plates, the lower surface of the support plate is fixedly connected to a positioning shaft, and the lower surface of the mounting plate is rotatably connected to an auxiliary shaft.

[0006] Preferably, a feed pipe is provided on the upper surface of the heating tank body, the first gear is meshingly connected with the second gear, a heating pipe is installed on the inner wall of the heating tank body, and a discharge pipe is provided at the lower end of the heating tank body.

[0007] By adopting the above technical solution, the material is fed through the feeding pipe of the heating tank, and then the second gear is driven to rotate by the first gear.

[0008] Preferably, a cavity is provided inside the driving shaft, and the lower end of the positioning shaft extends into the cavity of the driving shaft, and the positioning shaft is rotationally connected with the driving shaft, and two sprockets are provided at the lower end of the positioning shaft.

[0009] By adopting the above technical solution, the second gear drives the driving shaft to rotate, so that the positioning shaft rotates relative to the driving shaft.

[0010] Preferably, a cavity is provided inside the mounting plate, and the cavity of the mounting plate is communicated with the cavity of the driving shaft, a sprocket is provided at the upper end of the auxiliary shaft, and a transmission chain is provided between the sprockets of the two auxiliary shafts and the two sprockets of the positioning shaft respectively.

[0011] By adopting the above technical solution, the two sprockets of the positioning shaft drive the two auxiliary shafts to rotate through the transmission chain.

[0012] Preferably, a first stirring column is evenly fixed on the outer surface of the active shaft, a second stirring column is evenly fixed on the outer surface of the auxiliary shaft, the first stirring column and the second stirring column are staggered, a clearing shaft is fixedly connected to the lower end of the active shaft, and a blade is provided on the outer surface of the clearing shaft facing the discharge pipe of the heating tank.

[0013] By adopting the above technical solution, the driving shaft and the auxiliary shaft rotate, so that the first stirring column and the second stirring column rotate alternately for stirring.

[0014] Preferably, the upper end of the heating tank body is provided with an exhaust mechanism, which adsorbs and removes impurities through a graphite adsorption layer.

[0015] By adopting the above technical solution, the exhaust mechanism of the heating tank body is used to allow the graphite adsorption layer to adsorb and remove impurities.

[0016] Preferably, the exhaust mechanism includes a debris removal pipe, which is fixed on the upper surface of the heating tank body, a graphite adsorption layer is fixed inside the debris removal pipe, and a condensation plate is fixed inside the debris removal pipe, a third gear is fixedly connected to the upper end of the rotating shaft of the first gear, a fourth gear is rotatably connected to the side surface of the debris removal pipe, and a cleaning scraper is fixedly connected to the rotating shaft of the fourth gear, the third gear and the fourth gear are meshedly connected, and a water outlet pipe is provided at the lower end of the debris removal pipe.

[0017] By adopting the above technical solution, impurities are filtered out through the graphite adsorption layer, and water is condensed through the condensation plate.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the asphalt heating device:

[0019] 1. An auxiliary shaft and a positioning shaft are provided, so that when the device is working, the first gear is driven to rotate by the driving motor, so that the first gear drives the second gear and the driving shaft to rotate, so that the driving shaft drives the auxiliary shaft to rotate through the mounting plate, and at the same time, through the fixed positioning shaft, the positioning shaft drives the two auxiliary shafts relative to the mounting plate through the transmission chain, so that the device can turn the raw materials through the driving shaft and the auxiliary shaft, improve the mixing effect of the raw materials, and thus increase the uniformity of the heating of the raw materials;

[0020] 2. A first stirring column and a second stirring column are provided, so that when the device is working, the first stirring column is driven to rotate by the driving shaft, and the second stirring column is driven to rotate by the auxiliary shaft, so that the first stirring column and the second stirring column arranged alternately move relative to each other. The auxiliary shaft on one side rotates in different directions from the driving shaft, so that the raw materials are prevented from rotating with the centrifugal force, thereby improving the uniformity of mixing;

[0021] 3. A graphite adsorption layer and a cleaning scraper are provided. When the device is working, the gas generated by the device is adsorbed and impurities are removed through the graphite adsorption layer. Then the hot gas passes through the condensation plate, so that the moisture is retained on the surface of the condensation plate. Then the moisture on the surface of the condensation plate is cleaned by the rotation of the cleaning scraper, which is beneficial to improve the condensation effect. The remaining moisture is discharged from the water outlet pipe at the lower end of the impurity removal pipe, which improves practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall front cross-sectional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the overall top-sectional structure of the utility model;

[0024] Figure 3 This is a schematic diagram of a new structure in which the fourth gear is connected to the cleaning scraper in a front view;

[0025] Figure 4 It is a schematic top view of the structure of the second gear connected to the positioning shaft of the utility model.

[0026] In the figure: 1. heating tank body; 2. support plate; 3. drive motor; 4. first gear; 5. driving shaft; 6. second gear; 7. mounting plate; 8. positioning shaft; 9. auxiliary shaft; 10. first stirring column; 11. second stirring column; 12. dredging shaft; 13. impurity removal pipe; 14. graphite adsorption layer; 15. third gear; 16. fourth gear; 17. cleaning scraper; 18. condensation plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-4 The utility model provides a technical solution: an asphalt heating device, including a heating tank body 1, a support plate 2, a driving motor 3, a first gear 4, a driving shaft 5, a second gear 6, a mounting plate 7, a positioning shaft 8, an auxiliary shaft 9, a first stirring column 10, a second stirring column 11, a dredging shaft 12, a de-impurity pipe 13, a graphite adsorption layer 14, a third gear 15, a fourth gear 16, a cleaning scraper 17 and a condensation plate 18. The heating tank body 1 is provided with a supporting foot at its lower end, a feeding pipe is provided on the upper surface of the heating tank body 1, the first gear 4 is meshed with the second gear 6, a heating pipe is installed on the inner wall of the heating tank body 1, and a discharge pipe is provided at the lower end of the heating tank body 1. When using the device, the raw material is first introduced from the feeding port of the heating tank body 1, and then heated by the heating pipe inside the heating tank body 1, and at the same time, the first gear 4 is driven to rotate by the driving motor 3, so that the first gear 4 drives the second gear 6 to rotate.

[0029] A support plate 2 is fixedly connected to the upper surface of the heating tank body 1, and a drive motor 3 is fixedly connected to the upper surface of the support plate 2. A cavity is arranged inside the driving shaft 5, and the lower end of the positioning shaft 8 extends into the cavity of the driving shaft 5, and the positioning shaft 8 is rotationally connected with the driving shaft 5. Two sprockets are arranged at the lower end of the positioning shaft 8. After the second gear 6 rotates, it drives the driving shaft 5 to rotate. When the driving shaft 5 rotates, the auxiliary shaft 9 is driven to rotate through the mounting plate 7.

[0030] The lower end of one end of the support plate 2 is rotatably connected to the first gear 4, a cavity is provided inside the mounting plate 7, and the cavity of the mounting plate 7 is communicated with the cavity of the driving shaft 5, a sprocket is provided at the upper end of the auxiliary shaft 9, and a transmission chain is provided between the sprockets of the two auxiliary shafts 9 and the two sprockets of the positioning shaft 8 respectively, and then the fixed positioning shaft 8 drives the two auxiliary shafts 9 to rotate relative to the mounting plate 7 through the transmission chain, so that the driving shaft 5 drives the first stirring column 10 to rotate, and at the same time the auxiliary shaft 9 drives the second stirring column 11 to rotate.

[0031] An opening is provided on the upper surface of the heating tank body 1, and the inner wall of the opening of the heating tank body 1 is rotatably connected to a driving shaft 5, a first stirring column 10 is evenly fixed to the outer surface of the driving shaft 5, a second stirring column 11 is evenly fixed to the outer surface of the auxiliary shaft 9, the first stirring column 10 and the second stirring column 11 are staggered, the lower end of the driving shaft 5 is fixedly connected to a dredging shaft 12, and the outer surface of the dredging shaft 12 is provided with blades facing the discharge pipe of the heating tank body 1. The first stirring column 10 and the second stirring column 11 are staggered to rotate, so that the raw materials can be fully stirred, and finally the stirred raw materials are discharged from the discharge pipe at the lower end of the heating tank body 1. At the same time, the dredging shaft 12 is driven to rotate by the driving shaft 5, so that the dredging shaft 12 drives the raw materials to be discharged through the blades on the surface, thereby improving the discharge efficiency and preventing blockage.

[0032] The upper end of the driving shaft 5 is fixedly connected to the second gear 6, the outer surface of the driving shaft 5 is fixedly connected to two mounting plates 7, the lower surface of the support plate 2 is fixedly connected to the positioning shaft 8, and the upper end of the heating tank body 1 is provided with an exhaust mechanism, which adsorbs and removes impurities through the graphite adsorption layer 14. While the device is processing, the gas generated by the raw material enters the impurity removal pipe 13, so that the graphite adsorption layer 14 on the inner wall of the impurity removal pipe 13 adsorbs and filters the impurities, and at the same time, the hot gas is condensed through the condensation plate 18 to reduce moisture discharge.

[0033] The lower surface of the mounting plate 7 is rotatably connected with an auxiliary shaft 9, and the exhaust mechanism includes a debris removal pipe 13, which is fixed to the upper surface of the heating tank body 1, and a graphite adsorption layer 14 is fixed inside the debris removal pipe 13, and a condensation plate 18 is fixed inside the debris removal pipe 13, and a third gear 15 is fixedly connected to the upper end of the rotating shaft of the first gear 4, and a fourth gear 16 is rotatably connected to the side surface of the debris removal pipe 13, and a cleaning scraper 17 is fixedly connected to the rotating shaft of the fourth gear 16, and the third gear 15 and the fourth gear 16 are meshedly connected, and a water outlet pipe is provided at the lower end of the debris removal pipe 13, and the rotation of the first gear 4 drives the third gear 15 at the upper end of the rotating shaft to rotate, so that the third gear 15 drives the fourth gear 16 to rotate, so that the cleaning scraper 17 at one end of the rotating shaft of the fourth gear 16 rotates to clean the condensation plate 18, thereby improving the efficiency of water condensation, and finally the condensed water flows into the water outlet pipe at the lower end of the debris removal pipe 13 for discharge.

[0034] Working principle: When using the asphalt heating device, first introduce the raw materials through the feed pipe of the heating tank body 1, and then heat the raw materials through the heating pipe of the heating tank body 1, and drive the first gear 4 to rotate through the driving motor 3, so that the first gear 4 drives the second gear 6 and the driving shaft 5 to rotate, and the fixed positioning shaft 8 drives the two auxiliary shafts 9 to rotate through the transmission chain, so that the first stirring column 10 and the second stirring column 11 rotate alternately for stirring, and the raw materials are driven to be discharged through the dredging shaft 12 to prevent blockage, and the impurities are adsorbed by the graphite adsorption layer 14 inside the impurity removal pipe 13, and the water is condensed through the condensation plate 18, and the second gear 6 drives the third gear 15 to rotate, so that the third gear 15 drives the fourth gear 16 and the cleaning scraper 17 to rotate, so that the cleaning scraper 17 cleans the condensation plate 18 to improve the condensation efficiency and increase the overall practicality.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An asphalt heating device, comprising a heating tank (1), the lower end of which is provided with a support leg, the upper surface of the heating tank (1) is fixedly connected to a support plate (2), and the upper surface of the support plate (2) is fixedly connected to a drive motor (3), characterized in that: The lower end of one end of the support plate (2) is rotatably connected to a first gear (4), the upper surface of the heating tank body (1) is provided with an opening, and the inner wall of the opening of the heating tank body (1) is rotatably connected to a driving shaft (5), the upper end of the driving shaft (5) is fixedly connected to a second gear (6), the outer surface of the driving shaft (5) is fixedly connected to two mounting plates (7), the lower surface of the support plate (2) is fixedly connected to a positioning shaft (8), and the lower surface of the mounting plate (7) is rotatably connected to an auxiliary shaft (9).

2. The asphalt heating device according to claim 1, characterized in that: A feed pipe is provided on the upper surface of the heating tank body (1), the first gear (4) and the second gear (6) are meshingly connected, a heating pipe is installed on the inner wall of the heating tank body (1), and a discharge pipe is provided at the lower end of the heating tank body (1).

3. The asphalt heating device according to claim 1, characterized in that: The driving shaft (5) is provided with a cavity inside, and the lower end of the positioning shaft (8) extends into the cavity of the driving shaft (5), and the positioning shaft (8) and the driving shaft (5) are rotationally connected, and two sprockets are provided at the lower end of the positioning shaft (8).

4. The asphalt heating device according to claim 1, characterized in that: A cavity is provided inside the mounting plate (7), and the cavity of the mounting plate (7) is communicated with the cavity of the driving shaft (5). A sprocket is provided at the upper end of the auxiliary shaft (9), and a transmission chain is provided between the sprockets of the two auxiliary shafts (9) and the two sprockets of the positioning shaft (8).

5. The asphalt heating device according to claim 1, characterized in that: A first stirring column (10) is evenly fixed on the outer surface of the driving shaft (5), a second stirring column (11) is evenly fixed on the outer surface of the auxiliary shaft (9), the first stirring column (10) and the second stirring column (11) are arranged alternately, a dredging shaft (12) is fixedly connected to the lower end of the driving shaft (5), and the outer surface of the dredging shaft (12) is provided with blades facing the discharge pipe of the heating tank body (1).

6. The asphalt heating device according to claim 1, characterized in that: The upper end of the heating tank body (1) is provided with an exhaust mechanism, which adsorbs and removes impurities through the graphite adsorption layer (14).

7. The asphalt heating device according to claim 6, characterized in that: The exhaust mechanism comprises a debris removal pipe (13), which is fixed to the upper surface of the heating tank body (1), a graphite adsorption layer (14) is fixed inside the debris removal pipe (13), and a condensation plate (18) is fixed inside the debris removal pipe (13), the upper end of the rotating shaft of the first gear (4) is fixedly connected to a third gear (15), the side surface of the debris removal pipe (13) is rotatably connected to a fourth gear (16), and the rotating shaft of the fourth gear (16) is fixedly connected to a cleaning scraper (17), the third gear (15) and the fourth gear (16) are meshingly connected, and a water outlet pipe is provided at the lower end of the debris removal pipe (13).

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