Asphalt concrete drying roller capable of turning over materials in spiral mode
By introducing a spiral mixing plate and a ventilation cylinder structure into the asphalt concrete drying drum, combined with a heating component, the problem of low drying efficiency in the existing technology is solved, and more efficient asphalt concrete drying is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-20
AI Technical Summary
In the existing technology, the heating device of the asphalt concrete drying drum is located at the middle rotating rod, and the material has little contact with the rotating rod, resulting in low drying efficiency and lack of ventilation facilities, making it impossible to achieve rapid drying.
A spiral-type asphalt concrete drying drum was designed, which adopts a spiral mixing plate and ventilation cylinder structure, combined with heating and ventilation components. The material is turned over by the spiral mixing plate and blown by the ventilation cylinder. The heating component is set on the inner wall of the drying cylinder to enhance the drying efficiency.
The drying efficiency of asphalt concrete has been improved by enhancing air circulation through spiral turning and ventilation, resulting in faster drying.
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Figure CN224018716U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to drying cylinder technical field especially relates to a spiral material turning asphalt concrete drying cylinder. BACKGROUND
[0002] Asphalt concrete is asphalt concrete, artificial selection and matching mineral aggregate, crushed stone or crushed gravel, stone chips or sand, mineral powder, etc.
[0003] In the process of processing asphalt concrete, it is generally necessary to dry asphalt concrete, and the most common drying device in the prior art is a drying cylinder, which is placed inside the drying cylinder for rolling drying.
[0004] Patent document CN208349778U discloses a spiral material turning asphalt concrete drying cylinder, which comprises a cylinder element, a transparent plate is embedded in the side wall of the cylinder element, and an inlet and an outlet are respectively provided, the two ends of the cylinder element are respectively connected to a power supply device and a rotating motor, and a warning device is arranged on the side wall of the cylinder element near the power supply device, a humidity sensor is installed at the lower end of the warning device, the shaft of the rotating motor is connected to a connecting rod, the other end of the connecting rod is rotatably supported on the other end of the cylinder element, a spiral material turning rod is fixedly arranged on the outer side of the connecting rod, a scraper is fixedly arranged at the contact position of the spiral material turning rod and the inner wall of the cylinder element, a fiber cloth is sleeved on the outer side of the scraper, an inner cavity is formed in the connecting rod, and a heating component is installed in the inner cavity and connected to the power supply device. The asphalt concrete drying cylinder can quickly dry asphalt concrete, effectively reduce the residual asphalt concrete in the cylinder, and timely issue a warning when the asphalt concrete drying humidity is low.
[0005] In the prior art of the above patent, the heating device in the device is arranged at the middle rotating rod, and the material contacts the rotating rod less during the material turning process, most of the material basically contacts the inner wall of the cylinder, and the device does not have a ventilation facility, and only relies on the turning of the material and the heating of the rotating rod, which cannot achieve the effect of rapid drying and has low drying efficiency. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a spiral material turning asphalt concrete drying cylinder to solve the above problems in the prior art.
[0007] In order to achieve the above object, the utility model discloses the following technical scheme: a spiral formula material -turning's asphalt concrete drying cylinder, including two mounting seat, the top of two mounting seat all is fixedly installed with drying cylinder, the inside rotation of drying cylinder is installed with ventilating cylinder, the inside rotation of drying cylinder is installed with spiral stirring plate, the both ends of spiral stirring plate and ventilating cylinder are fixedly connected with connecting rod respectively, spiral stirring plate is closely attached to the inner wall of drying cylinder, the peripheral wall of ventilating cylinder and the top of drying cylinder are provided with a plurality of ventilation holes and a plurality of ventilation grooves respectively, the inside of a plurality of ventilation holes and a plurality of ventilation grooves is provided with second filter screen and first filter screen respectively, the inner wall of drying cylinder is provided with heating component, one end of ventilating cylinder penetrates the lateral wall of drying cylinder and is provided with ventilation component and rotating component.
[0008] As the further description of the above technical scheme: the rotating component includes the motor that is fixedly installed at the top of one of mounting seat, the output of motor is connected with gear, one end of ventilating cylinder is fixedly installed with gear ring, gear and gear ring are engaged with each other.
[0009] As the further description of the above technical scheme: the ventilation component includes the exhaust fan that is fixedly installed at one side of motor, the output of exhaust fan is fixedly installed with connecting sealing ring, connecting sealing ring and ventilating cylinder are rotatably connected.
[0010] As the further description of the above technical scheme: the heating component includes the installation groove that is set up in the inner wall of drying cylinder, the inner wall of installation groove is embedded fixedly installed with arc heating plate, the heating component still includes the heating power supply component that is fixedly installed at one end of drying cylinder, and the wire is connected between heating power supply component and arc heating plate.
[0011] As the further description of the above technical scheme: one end of drying cylinder close to motor is provided with the hopper, and the inside of hopper is communicated with the inside of drying cylinder.
[0012] As the further description of the above technical scheme: the bottom of drying cylinder and arc heating plate is provided with the discharge port, the discharge plate is rotatably installed at discharge port, and the locking component is connected between discharge plate and drying cylinder.
[0013] The utility model provides a spiral formula turns over material's asphalt concrete drying cylinder. Possess following beneficial effect: the asphalt concrete that needs drying is put into the inside of drying cylinder through the blanking mouth, can drive the rotation of ventilation tube through the rotation component, can drive spiral stirring board to turn over material to the material in the inside of drying cylinder in the process of rotating, and ventilation component can pass through to the inside of ventilation tube and blow and ventilate, the dry wind passes through the ventilation hole, then discharges from the ventilation groove of top, has increased the air circulation in the inside of drying cylinder, and heating component sets up in the inner wall of drying cylinder, has increased the heating effect to the inside of drying cylinder, has further strengthened the drying efficiency to asphalt concrete.
[0014] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory in nature and are not intended to limit the present disclosure.
[0015] This application file provides the summary of various implementations or examples of the technology described in the present disclosure, and is not the full disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The utility model provides a spiral formula turns over material's asphalt concrete drying cylinder's whole three dimensional structure schematic diagram;
[0017] Figure 2 The three-dimensional structure schematic diagram of another perspective of the utility model;
[0018] Figure 3 The three-dimensional structure schematic diagram of the utility model after opening the blanking plate;
[0019] Figure 4 The three-dimensional structure schematic diagram of the utility model is cut;
[0020] Figure 5 The three-dimensional structure schematic diagram of the inside of the drying cylinder of the utility model;
[0021] Figure 6 The three-dimensional structure schematic diagram of the utility model is set up the second filter screen on the ventilation hole.
[0022] LEGEND:
[0023] 1, mounting seat, 2, drying cylinder, 3, ventilation groove, 4, first filter screen, 5, blanking hopper, 6, ventilation tube, 7, ventilation hole, 8, second filter screen, 9, spiral stirring board, 10, connecting rod, 11, gear ring, 12, motor, 13, gear, 14, connecting sealing ring, 15, exhaust fan, 17, arc heating plate, 18, heating power supply component, 19, wire, 20, blanking mouth, 21, blanking plate, 22, mounting groove. DETAILED DESCRIPTION
[0024] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments.
[0025] With reference to Figures 1-6 The utility model provides a spiral formula turns over material's asphaltic concrete drying cylinder, including two mounting seat 1, two mounting seat 1's top all fixedly installed with drying cylinder 2, the inside rotation of drying cylinder 2 is installed with ventilation cylinder 6, the inside rotation of drying cylinder 2 is installed with spiral stirring plate 9, spiral stirring plate 9's both ends and ventilation cylinder 6 between fixedly connected with connecting rod 10, spiral stirring plate 9 is tightly in the inner wall of drying cylinder 2, the peripheral wall of ventilation cylinder 6 and the top of drying cylinder 2 are seted up with multiple ventilation hole 7 and multiple ventilation groove 3, the inside of multiple ventilation hole 7 and multiple ventilation groove 3 is provided with second filter screen 8 and first filter screen 4 respectively, the inner wall of drying cylinder 2 is provided with heating assembly, one end of ventilation cylinder 6 penetrates the lateral wall of drying cylinder 2 and is provided with ventilation assembly and rotation assembly, the asphaltic concrete that needs drying is put into the inside of drying cylinder 2 through the blanking head 20, can drive the rotation of ventilation cylinder 6 through rotation assembly, can drive spiral stirring plate 9 to turn over material in the inside of drying cylinder 2 in the process of rotation, and ventilation assembly can pass through the blowing ventilation to the inside of ventilation cylinder 6, the dry wind passes through ventilation hole 7, then is discharged from the ventilation groove 3 of top, increase the air circulation in the inside of drying cylinder 2, and heating assembly sets up in the inner wall of drying cylinder 2, increase the heating effect in the inside of drying cylinder 2, further strengthen the asphaltic concrete drying efficiency.
[0026] As the preferred technical scheme of the embodiment, the rotation assembly includes a motor 12 fixedly installed at the top of one of the mounting seats 1, the output end of the motor 12 is drivingly connected with a gear 13, one end of the ventilation cylinder 6 is fixedly installed with a gear ring 11, the gear 13 and the gear ring 11 are in meshing engagement; the motor 12 can drive the gear 13 to rotate, the rotation of the gear 13 can drive the rotation of the gear ring 11, and the rotation of the gear ring 11 can drive the rotation of the ventilation cylinder 6 and the spiral stirring plate 9 arranged on the ventilation cylinder 6.
[0027] As the preferred technical scheme of the embodiment, the ventilation assembly includes an exhaust fan 15 fixedly installed at one side of the motor 12, the output end of the exhaust fan 15 is fixedly installed with a connecting sealing ring 14, and the connecting sealing ring 14 is rotatably connected with the ventilation cylinder 6; the exhaust fan 15 can perform air extraction from the outside, and the output end outputs the air, the connecting sealing ring 14 ensures the normal rotation of the ventilation cylinder 6 and the sealing property, prevents air leakage, and the output air can enter the inside of the drying cylinder 2 through the ventilation cylinder 6, and then is blown out from the ventilation holes 7 and the ventilation grooves 3, thereby increasing the air flow in the inside of the drying cylinder 2.
[0028] As the preferred technical scheme of the embodiment, the heating assembly comprises a mounting groove 22 formed in the inner wall of the drying cylinder 2, the inner wall of the mounting groove 22 is embedded with the arc-shaped heating plate 17 fixedly installed, the heating assembly further comprises a heating power supply assembly 18 fixedly installed at one end of the drying cylinder 2, and the heating power supply assembly 18 and the arc-shaped heating plate 17 are connected with the wire 19; wherein the heating power supply assembly 18, the arc-shaped heating plate 17 and the connected wire 19 are all prior arts, the function of which is to supply power for the arc-shaped heating plate 17 through the heating power supply assembly 18 to ensure the required electric energy for the arc-shaped heating plate 17 to heat, so the detailed description is omitted, and the heat emitted by the arc-shaped heating plate 17 can accelerate the drying of the asphalt concrete.
[0029] As the preferred technical scheme of the embodiment, the drying cylinder 2 is provided with the lower hopper 5 at the end close to the motor 12, and the lower hopper 5 is communicated with the inside of the drying cylinder 2; the inside wall of the drying cylinder 2 can be fed through the lower hopper 5, and the required asphalt concrete raw material to be dried is put in.
[0030] As the preferred technical scheme of the embodiment, the drying cylinder 2 and the bottom end of the arc-shaped heating plate 17 are both provided with the lower discharge port 20, the lower discharge plate 21 is rotatably installed at the lower discharge port 20, and the lower discharge plate 21 is connected with the drying cylinder 2 through the locking assembly; when the discharging is required, the lower discharge plate 21 is manually unlocked, the downward rotation of the lower discharge plate 21 can be realized, the discharging of the asphalt concrete in the inside of the drying cylinder 2 can be realized by cooperating the internal stirring of the spiral stirring plate 9, and the lower discharge plate 21 is locked with the lower discharge port 20 in the working state, so as not to affect the normal drying work.
[0031] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A spiral-type asphalt concrete drying drum, comprising two mounting bases (1), wherein a drying drum (2) is fixedly mounted on the top of each of the two mounting bases (1), characterized in that, A ventilation cylinder (6) is rotatably installed inside the drying cylinder (2). A spiral stirring plate (9) is rotatably installed inside the drying cylinder (2). A connecting rod (10) is fixedly connected between the two ends of the spiral stirring plate (9) and the ventilation cylinder (6). The spiral stirring plate (9) is tightly attached to the inner wall of the drying cylinder (2). Multiple ventilation holes (7) and multiple ventilation slots (3) are respectively opened on the peripheral wall of the ventilation cylinder (6) and the top of the drying cylinder (2). A second filter screen (8) and a first filter screen (4) are respectively installed inside the multiple ventilation holes (7) and multiple ventilation slots (3). A heating component is provided on the inner wall of the drying cylinder (2). One end of the ventilation cylinder (6) penetrates the side wall of the drying cylinder (2) and is provided with a ventilation component and a rotating component.
2. The spiral-type asphalt concrete drying drum according to claim 1, characterized in that, The rotating assembly includes a motor (12) fixedly mounted on the top of one of the mounting bases (1), and a gear (13) is connected to the output end of the motor (12). A gear ring (11) is fixedly mounted on one end of the ventilation cylinder (6), and the gear (13) and the gear ring (11) mesh with each other.
3. The spiral-type asphalt concrete drying drum according to claim 1, characterized in that, The ventilation assembly includes an exhaust fan (15) fixedly installed on one side of the motor (12), and a connecting sealing ring (14) is fixedly installed at the output end of the exhaust fan (15). The connecting sealing ring (14) and the ventilation cylinder (6) are rotatably connected.
4. The spiral-type asphalt concrete drying drum according to claim 1, characterized in that, The heating assembly includes an installation groove (22) formed on the inner wall of the drying cylinder (2), and an arc-shaped heating plate (17) is embedded and fixedly installed on the inner wall of the installation groove (22). The heating assembly also includes a heating power supply assembly (18) fixedly installed at one end of the drying cylinder (2), and a wire (19) is connected between the heating power supply assembly (18) and the arc-shaped heating plate (17).
5. The spiral-type asphalt concrete drying drum according to claim 1, characterized in that, A feeding hopper (5) is provided at one end of the drying cylinder (2) near the motor (12), and the feeding hopper (5) is connected to the interior of the drying cylinder (2).
6. The spiral-type asphalt concrete drying drum according to claim 1, characterized in that, The bottom ends of the drying cylinder (2) and the arc-shaped heating plate (17) are provided with a discharge port (20), and a discharge plate (21) is rotatably installed at the discharge port (20). The discharge plate (21) is connected to the drying cylinder (2) by a locking assembly.
Citation Information
Patent Citations
Bitumen concrete drying drum of spiral stirring
CN208349778U