Asphalt recovery structure

Abstract

The utility model relates to an asphalt recovery structure, and relates to the field of asphalt recovery equipment. The device comprises a conveying cylinder and a heating piece, a spiral conveying rod is horizontally and rotationally connected into the conveying cylinder, a feeding frame opening is fixed to the upper portion of the outer circumferential face of one end of the conveying cylinder in a penetrating mode, and a discharging frame opening is fixed to the lower portion of the outer circumferential face of the other end of the conveying cylinder in a penetrating mode; and the driving device is used for driving the spiral conveying rod to rotate, the heating piece comprises an oil shell barrel, the oil shell barrel is fixedly arranged on the outer wall of the conveying barrel in a sleeving mode, heat conduction oil is injected into the oil shell barrel, and a plurality of heating rods are horizontally fixed into the oil shell barrel and are evenly arranged. Asphalt is heated to be in a molten state, excessive asphalt in the recycling and conveying cylinder can be conveniently discharged in the later period, then the pipeline can be integrally heated in a heating mode, old asphalt in the pipeline is molten and heated uniformly, and asphalt recycling and conveying are convenient.

Description

Technical Field

[0001] This application relates to the technical field of asphalt recycling equipment, and in particular to an asphalt recycling structure. Background Technology

[0002] During the long breaks in asphalt production in spring, late autumn, and winter when temperatures are low, and after asphalt production has ended, due to design flaws, the asphalt in the asphalt pipelines is not emptied and quickly solidifies. Over time, this causes pipeline blockage and asphalt nozzle clogging. When production resumes, the asphalt in the pipelines needs to be heated for a long time to make it fluid before it can be discharged.

[0003] The existing announcement number is CN207672374U, entitled "A Pipeline for Recycling Old Asphalt Mixtures". It includes a pipe body, and several stirring mechanisms are spirally arranged inside the pipe body. The stirring mechanisms are fixed inside the pipe body vertically or inclined along the material transport direction. The stirring mechanism includes a main shaft and stirring blades. The stirring blades are rotatably fixed on the main shaft, which greatly improves work efficiency and reduces costs.

[0004] Regarding the aforementioned technologies, the inventors discovered that the asphalt pipeline lacks heating components. When heating the old asphalt inside later, a spray gun is needed to heat the asphalt pipeline. This heating method can only heat the pipeline section by section, resulting in uneven melting and heating of the old asphalt inside the pipeline. This not only wastes manpower and resources but also wastes natural gas, increasing costs and delaying the timely supply of asphalt materials. Utility Model Content

[0005] To overcome the lack of heating components in existing asphalt pipelines, which requires the use of a spray gun to heat the pipeline during the later heating of the old asphalt inside, this application provides an asphalt recycling structure.

[0006] This application provides an asphalt recycling structure, which adopts the following technical solution:

[0007] An asphalt recycling structure includes a conveying cylinder and a heating element. A spiral conveying rod is horizontally rotatably connected inside the conveying cylinder. A feeding frame is fixedly through the upper part of the outer circumference of one end of the conveying cylinder, and a discharge frame is fixedly through the lower part of the outer circumference of the other end of the conveying cylinder. A driving device is assembled at the end of the conveying cylinder near the feeding frame, and the driving device is used to drive the spiral conveying rod to rotate. The heating element includes an oil shell cylinder, which is sleeved and fixed on the outer wall of the conveying cylinder. Heat transfer oil is filled inside the oil shell cylinder. Heating rods are horizontally fixed inside the oil shell cylinder, and multiple heating rods are evenly arranged.

[0008] By adopting the above technical solution, when transporting asphalt, the asphalt is added from the feeding frame at one end of the conveying cylinder. The drive device is started to drive the screw conveyor to rotate in the conveying cylinder, and the screw conveys the asphalt to move in the conveying cylinder and is discharged from the discharge frame at the other end of the conveying cylinder. In order to ensure the fluidity of the asphalt in the later transportation and recycling, multiple heating rods are powered to heat the heat transfer oil in the oil tank. The heat transfer oil is evenly in contact with the outer wall of the conveying cylinder, and the heat is transferred to the asphalt, thereby heating the asphalt to a molten state, which facilitates the discharge of excess asphalt in the recycling conveying cylinder in the later stage. In addition, the heating method can heat the pipeline as a whole, so that the old asphalt inside the pipeline melts and is heated evenly, making the asphalt recycling and transportation convenient.

[0009] Optionally, an insulating sleeve is fitted and fixed onto the outer wall of the oil tank.

[0010] By adopting the above technical solution, the insulation sleeve fixed to the outer wall of the oil tank is made of insulation cotton. The insulation sleeve is used to reduce heat loss in the oil tank and improve heat utilization.

[0011] Optionally, an electrical socket is fixed to one end of the outer surface of the oil tank, and the electrical socket is connected in series with the electrical terminals of multiple heating rods via wires.

[0012] By adopting the above technical solution, an electrical socket is fixed at one end of the outer side of the oil tank. Later, in conjunction with an external power supply socket, power is supplied to multiple heating rods through the electrical socket to ensure that the multiple heating rods are powered on and heat the heat-conducting oil inside the oil tank.

[0013] Optional,

[0014] The drive unit includes a speed reducer, which is fixed at the end of the conveying cylinder and its output end is fixedly connected to the end of the screw conveyor. A stepper motor is fixed at the input end of the speed reducer and its output end is fixedly connected to the input end of the speed reducer.

[0015] By adopting the above technical solution, the stepper motor rotates forward to drive the reducer to rotate the screw conveyor rod inside the conveying cylinder, which drives the asphalt pump to supply the asphalt required during production. After production stops, the stepper motor rotates in reverse to drive the reducer to rotate the screw conveyor rod inside the conveying cylinder in reverse, which reverses the asphalt inside the conveying cylinder and discharges it, thus preventing asphalt from remaining and blocking the inside of the conveying cylinder.

[0016] Optionally, a recycling port is provided through the lower side of the outer wall of the conveying cylinder near the feeding frame opening, and a recycling plate is provided at the recycling port of the conveying cylinder.

[0017] By adopting the above technical solution, the recycling port set on the outer wall of the conveying cylinder is used to recycle and dump the residual asphalt inside. When conveying asphalt, the recycling plate is sealed at the recycling port of the conveying cylinder to ensure that the asphalt is conveyed in the conveying cylinder. When recycling, the recycling plate is removed from the recycling port of the conveying cylinder to facilitate the dumping and recycling of asphalt.

[0018] Optionally, a screw hole plate is horizontally fixed on one side end face of the recycling plate, and a perforated plate is horizontally fixed on the other side end face of the recycling plate.

[0019] By adopting the above technical solution, the screw holes and perforated plates on both sides of the recycling plate facilitate the subsequent disassembly and assembly of the recycling plate at the recycling port of the conveying cylinder.

[0020] Optionally, an assembly screw is vertically rotatably connected to one side of the feeding frame opening, and the thread of the assembly screw passes through the screw hole plate.

[0021] By adopting the above technical solution, when conveying asphalt, the recycling plate is sealed at the recycling port of the conveying cylinder. The assembly screw on one side of the feeding frame is rotated. The assembly screw is on the screw hole plate on one side of the recycling plate, which facilitates the vertical installation of the recycling plate to seal the recycling port of the conveying cylinder.

[0022] Optionally, a guide rod is vertically fixed on the other side of the feeding frame opening, and the guide rod is slidably inserted into the orifice plate.

[0023] By adopting the above technical solution, when the recycling plate is vertically installed to block the recycling port of the conveying cylinder, the guide rod slides through the orifice plate and is inserted, and the vertical guide recycling plate blocks the recycling port of the conveying cylinder.

[0024] In summary, this application includes at least one of the following beneficial technical effects:

[0025] When transporting asphalt, the asphalt is added through the feeding frame at one end of the conveying cylinder. The drive device is started to drive the screw conveyor to rotate in the conveying cylinder, and the screw conveys the asphalt to move in the conveying cylinder and is discharged from the discharge frame at the other end of the conveying cylinder. In order to ensure the fluidity of the asphalt in the later transportation and recycling, multiple heating rods are powered to heat the heat transfer oil in the oil tank. The heat transfer oil is evenly in contact with the outer wall of the conveying cylinder, and the heat is transferred to the asphalt, thereby heating the asphalt to a molten state, which facilitates the discharge of excess asphalt in the recycling conveying cylinder in the later stage. In addition, the heating method can heat the pipeline as a whole, so that the old asphalt inside the pipeline melts and is heated evenly, making the asphalt recycling and transportation convenient. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application;

[0027] Figure 2 This is a schematic diagram of the overall structure of the embodiment of this application in an exploded state;

[0028] Figure 3 It is a schematic structural diagram of the conveying cylinder of the embodiment of the present application in a disassembled state;

[0029] Figure 4 It is a schematic structural diagram of the recovery plate of the embodiment of the present application in a disassembled state;

[0030] Figure 5 It is a schematic structural diagram of the heating element of the embodiment of the present application in a disassembled state.

[0031] Explanation of reference numerals: 1, conveying cylinder; 11, feeding frame opening; 12, discharging frame opening; 13, spiral conveying rod; 14, driving device; 141, reducer; 142, stepping motor; 15, recovery plate; 151, screw hole plate; 152, hole plate; 16, assembling screw; 17, guide rod; 2, heating element; 21, oil shell cylinder; 22, heating rod; 23, power connection socket; 24, heat preservation sleeve. Detailed implementation manners

[0032] The present application will be further described in detail below with reference to the accompanying drawings.

[0033] The embodiment of the present application discloses an asphalt recovery structure. Refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , an asphalt recovery structure includes a conveying cylinder 1 and a heating element 2. A spiral conveying rod 13 is horizontally rotatably connected inside the conveying cylinder 1. An upper portion of the outer circumferential surface of one end of the conveying cylinder 1 is fixedly penetrated with a feeding frame opening 11. A lower portion of the outer circumferential surface of the other end of the conveying cylinder 1 is fixedly penetrated with a discharging frame opening 12. A driving device 14 is assembled at one end of the conveying cylinder 1 close to the feeding frame opening 11, and the driving device 14 is used to drive the spiral conveying rod 13 to rotate. The heating element 2 includes an oil shell cylinder 21. The oil shell cylinder 21 is sleeved and fixed on the outer wall of the conveying cylinder 1. Heat-conducting oil is filled inside the oil shell cylinder 21. A heating rod 22 is horizontally fixed inside the oil shell cylinder 21, and a plurality of heating rods 22 are evenly arranged.

[0034] By adopting the above technical solution, when transporting asphalt, the asphalt is added from the feeding frame 11 at one end of the conveying cylinder 1. The drive device 14 is started to drive the screw conveyor 13 to rotate in the conveying cylinder 1. The screw conveyor transports the asphalt in the conveying cylinder 1 and discharges it from the discharge frame 12 at the other end of the conveying cylinder 1. In order to ensure the fluidity of the asphalt in the later transportation and recycling, multiple heating rods 22 are powered to heat the heat transfer oil in the oil shell cylinder 21. The heat transfer oil is evenly in contact with the outer wall of the conveying cylinder 1, and the heat is transferred to the asphalt, thereby heating the asphalt to a molten state, which facilitates the later discharge of excess asphalt in the recycling conveying cylinder 1. In addition, the heating method can heat the pipeline as a whole, so that the old asphalt inside the pipeline melts and is heated evenly, making the asphalt recycling and transportation convenient.

[0035] Reference Figure 5 An insulating sleeve 24 is fixedly fitted onto the outer wall of the oil tank 21. The insulating sleeve 24 fixed to the outer wall of the oil tank 21 is made of insulating cotton and is used to reduce heat loss in the oil tank 21 and improve heat utilization.

[0036] Reference Figure 5 An electrical socket 23 is fixed to one end of the oil tank 21, and the electrical socket 23 is connected in series with the electrical terminals of multiple heating rods 22 via wires. The electrical socket 23 is fixed to one end of the oil tank 21, and in conjunction with an external power supply socket, the multiple heating rods 22 are powered through the electrical socket 23 to ensure that the multiple heating rods 22 are energized and heat the heat-conducting oil inside the oil tank 21.

[0037] Reference Figure 3 The drive unit 14 includes a reducer 141, which is fixed to the end of the conveying cylinder 1. The output end of the reducer 141 is fixedly connected to the end of the screw conveyor 13. A stepper motor 142 is fixed to the input end of the reducer 141, and the output end of the stepper motor 142 is fixedly connected to the input end of the reducer 141. During use, the stepper motor 142 rotates forward, driving the reducer 141 to rotate, causing the screw conveyor 13 to rotate forward inside the conveying cylinder 1. This drives the asphalt pump to supply the asphalt required for production. After production stops, the stepper motor 142 rotates in reverse, driving the reducer 141 to rotate, causing the screw conveyor 13 to rotate in reverse inside the conveying cylinder 1. This reverse rotation returns the asphalt inside the conveying cylinder 1 and discharges it, preventing asphalt from remaining and clogging the inside of the conveying cylinder 1.

[0038] Reference Figure 4A recovery port is provided on the lower side of the outer wall of the conveying cylinder 1, near the feeding frame opening 11, and a recovery plate 15 is provided at the recovery port of the conveying cylinder 1. The recovery port on the outer wall of the conveying cylinder 1 is used to recover and dump residual asphalt inside. When conveying asphalt, the recovery plate 15 is sealed at the recovery port of the conveying cylinder 1 to ensure that the asphalt is conveyed in the conveying cylinder 1. When recovering, the recovery plate 15 is disassembled at the recovery port of the conveying cylinder 1 to facilitate the dumping of recovered asphalt. A screw hole plate 151 is horizontally fixed on one end face of the recovery plate 15, and a perforated plate 152 is horizontally fixed on the other end face of the recovery plate 15. The screw hole plate 151 and perforated plate 152 on both sides of the recovery plate 15 facilitate the disassembly and assembly of the recovery plate 15 at the recovery port of the conveying cylinder 1. An assembly screw 16 is vertically rotatably connected to one side of the feeding frame opening 11, and the assembly screw 16 is threaded through and assembled on the screw hole plate 151. When conveying asphalt, the recycling plate 15 is placed at the recycling port of the conveying cylinder 1. The assembly screw 16 on one side of the feeding frame opening 11 is rotated, and the assembly screw 16 is on the screw hole plate 151 on one side of the recycling plate 15, which facilitates the vertical installation of the recycling plate 15 at the recycling port of the conveying cylinder 1. A guide rod 17 is vertically fixed on the other side of the feeding frame opening 11, and the guide rod 17 is slidably inserted into the hole plate 152. When the recycling plate 15 is vertically installed at the recycling port of the conveying cylinder 1, the guide rod 17 is slidably inserted into the hole plate 152, and the recycling plate 15 is vertically guided to seal the recycling port of the conveying cylinder 1.

[0039] The implementation principle of the asphalt recycling structure in this application embodiment is as follows: During use, asphalt is added from the feeding frame 11 at one end of the conveying cylinder 1. The drive device 14 is started to drive the screw conveyor 13 to rotate in the conveying cylinder 1, and the screw conveyor transports the asphalt in the conveying cylinder 1 and discharges it from the discharge frame 12 at the other end of the conveying cylinder 1. In order to ensure the fluidity of asphalt in the later conveying and recycling, an external power socket 23 is fixed at one end of the oil shell cylinder 21. Later, in conjunction with an external power socket, power is supplied to multiple heating rods 22 through the power socket 23 to ensure that the multiple heating rods 22 are energized and heat the heat-conducting oil inside the oil shell cylinder 21. Powering the multiple heating rods 22 causes them to heat the heat-conducting oil in the oil shell cylinder 21, thus conducting heat... The oil evenly contacts the outer wall of the conveying cylinder 1, and the heat is transferred to the asphalt. During use, the stepper motor 142 rotates in the forward direction, driving the reducer 141 to rotate. The spiral conveying rod 13 rotates in the forward direction inside the conveying cylinder 1, providing the asphalt required during production. After production stops, the recycling plate 15 is disassembled at the recycling port of the conveying cylinder 1. The assembly screw 16 on one side of the feeding frame opening 11 is rotated, and the disassembly screw 16 is on the screw hole plate 151 on one side of the recycling plate 15, which facilitates the vertical installation of the disassembled recycling plate 15 to block the recycling port of the conveying cylinder 1. The stepper motor 142 rotates in the reverse direction, driving the reducer 141 to rotate. The spiral conveying rod 13 rotates in the reverse direction inside the conveying cylinder 1, and the reverse direction conveys the asphalt in the conveying cylinder 1 from the recycling port to avoid asphalt retention and blockage inside the conveying cylinder 1.

[0040] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An asphalt recycling structure, characterized in that, The device includes a conveying cylinder (1) and a heating element (2). The conveying cylinder (1) is horizontally rotatably connected to a spiral conveying rod (13). A feeding frame (11) is fixed through the upper part of the outer circumference of one end of the conveying cylinder (1). A discharge frame (12) is fixed through the lower part of the outer circumference of the other end of the conveying cylinder (1). A driving device (14) is assembled at the end of the conveying cylinder (1) near the feeding frame (11). The driving device (14) is used to drive the spiral conveying rod (13) to rotate. The heating element (2) includes an oil shell cylinder (21). The oil shell cylinder (21) is sleeved and fixed on the outer wall of the conveying cylinder (1). Heat transfer oil is added inside the oil shell cylinder (21). A heating rod (22) is horizontally fixed inside the oil shell cylinder (21). Multiple heating rods (22) are evenly arranged.

2. The asphalt recycling structure according to claim 1, characterized in that: An insulating sleeve (24) is fixedly fitted onto the outer wall of the oil tank cylinder (21).

3. The asphalt recycling structure according to claim 2, characterized in that: The outer end of the oil tank (21) is fixed with a power socket (23), and the power socket (23) is connected in series with the power terminals of multiple heating rods (22) through wires.

4. The asphalt recycling structure according to claim 1, characterized in that: The drive device (14) includes a speed reducer (141), which is fixed at the end of the conveying cylinder (1) and the output end of the speed reducer (141) is fixedly connected to the end of the spiral conveying rod (13). A stepper motor (142) is fixed at the input end of the speed reducer (141) and the output end of the stepper motor (142) is fixedly connected to the input end of the speed reducer (141).

5. The asphalt recycling structure according to claim 1, characterized in that: A recycling port is provided on the lower side of the outer wall of the conveying cylinder (1) near the feeding frame opening (11), and a recycling plate (15) is provided at the recycling port of the conveying cylinder (1).

6. The asphalt recycling structure according to claim 5, characterized in that: A screw hole plate (151) is horizontally fixed on one side end face of the recycling plate (15), and a hole plate (152) is horizontally fixed on the other side end face of the recycling plate (15).

7. The asphalt recycling structure according to claim 6, characterized in that: The feeding frame opening (11) is vertically rotatably connected to one side of an assembly screw (16), and the assembly screw (16) is threaded through and assembled on the screw hole plate (151).

8. The asphalt recycling structure according to claim 7, characterized in that: A guide rod (17) is vertically fixed on the other side of the feeding frame opening (11), and the guide rod (17) is slidably inserted into the orifice plate (152).

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