Device for preparing modified pitch by multi-kettle series tubular furnace

By designing an adjustable heating rod structure, the problem that the fixed position installation of heating rods in the prior art is not suitable for pipes of different diameters is solved, and flexible heating of pipes of different diameters is achieved, reducing heat loss and energy waste.

CN222789207UActive Publication Date: 2025-04-25MASTEEL ORSEA CHEM CO LTD
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Patent Information

Application Number
CN202420593283.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-26
Publication Date
2025-04-25
Estimated Expiration
2034-03-26

AI Technical Summary

Technical Problem

In the existing multi-kettle series tube furnace preparation modified bitumen device, the heating rods in the tube heating furnace are installed at a fixed position, making it inconvenient to heat pipes of different diameters, resulting in a large distance from the pipes when heating pipes with smaller diameters, resulting in heat loss and energy waste.

Method used

A modified asphalt device for the preparation of multi-kettle series tube furnace is designed, adopting an adjustable heating rod structure, and the transmission rod is driven by the motor to rotate, so that the internal threaded pipe and threaded rod can be rotated, driving the heating rod to move, adjust the distance between the heating rods, and adapt to pipes of different diameters.

Benefits of technology

Flexible heating of pipes of different diameters is achieved, reducing heat loss, saving energy and improving heating efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a device for preparing modified asphalt by a multi-kettle series tube furnace, which relates to the technical field of asphalt production, and comprises a device main body and a heating shell, the middle part of the heating shell is provided with a tube penetrating hole, a fixed ring is fixedly arranged in the tube penetrating hole, a plurality of internal thread tubes are rotatably arranged in the fixed ring in an annular array distribution manner, and the internal thread tubes are connected with the heating shell. Threaded rods are arranged in the inner threaded pipes in a threaded and sleeved mode, one ends of the threaded rods extend to the inner sides of the pipe penetrating holes, first arc-shaped plates are fixedly arranged at the ends, close to each other, of the threaded rods, and second arc-shaped plates abut against the lower sides of the first arc-shaped plates; a heating rod is clamped between the first arc-shaped plate and the second arc-shaped plate, square holes are formed in the ends, away from the heating rod, of the multiple threaded rods, and square rods are slidably inserted into the square holes. According to the pipeline heating device, the distance between the heating rods can be adjusted, and pipelines with different diameters can be conveniently heated.
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Description

Technical Field

[0001] The utility model relates to the technical field of asphalt production, in particular to a device for preparing modified asphalt by using a multi-kettle series-connected tubular furnace. Background Art

[0002] The current multi-kettle series tubular furnace preparation device adopts the method of heating the asphalt in a tubular heating furnace, then reacting in a reactor, and flash stripping through a stripping tower or a modifying tower to obtain the modified asphalt.

[0003] However, the heating rods in the current tubular heating furnaces are installed in fixed positions, which is not convenient for heating pipes of different diameters. When heating pipes with smaller diameters, the heating rods are far away from the pipes, which will cause more heat loss and waste more energy. Utility Model Content

[0004] In view of the problems existing in the above-mentioned existing multi-kettle series tubular furnace preparation modified asphalt device, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a device for preparing modified asphalt with multiple kettles in series tubular furnaces, which solves the problem that the heating rods in the tubular heating furnaces in the prior art device for preparing modified asphalt with multiple kettles in series tubular furnaces are installed in fixed positions, which makes it inconvenient to heat pipes of different diameters. When heating pipes with smaller diameters, the heating rods are at a large distance from the pipes, which will cause more heat loss and waste more energy.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A device for preparing modified asphalt by using a multi-kettle serially connected tubular furnace comprises a device body and a heating shell, wherein a tube penetration hole is provided in the middle of the heating shell, a fixing ring is fixedly provided inside the tube penetration hole, a plurality of internally threaded tubes are rotatably provided inside the fixing ring in a circular array, a threaded rod is provided on the internal thread sleeve of the internally threaded tube, one end of the threaded rod extends to the inner side of the tube penetration hole, a first arc plate is fixedly provided on the close ends of the plurality of threaded rods, a second arc plate is provided against the lower side of the first arc plate, a heating rod is clamped between the first arc plate and the second arc plate, a square hole is provided on the ends of the plurality of threaded rods away from the heating rod, a square rod is slidably inserted inside the square hole, and the end of the square rod away from the heating rod is fixedly connected to the inner wall of the heating shell;

[0008] The interior of the heating shell is provided with a first transmission mechanism which drives the plurality of internally threaded tubes to rotate;

[0009] A connecting mechanism is provided between both ends of the first arc-shaped plate and the second arc-shaped plate, and the first arc-shaped plate and the second arc-shaped plate are fixedly connected by the connecting mechanism.

[0010] Preferably, the transmission mechanism includes a crown gear ring and a first gear, the crown gear ring is rotatably arranged on the inner side of the heating shell, the crown gear ring is concentrically arranged with the tube through hole, a plurality of the first gears are fixedly sleeved on the outer walls of the corresponding internally threaded tubes, the crown gear ring is meshingly connected with the plurality of the first gears, a transmission rod is rotatably arranged inside one side of the heating shell, a second gear is fixedly sleeved on one inner end of the transmission rod, the second gear is meshingly connected with the crown gear ring, a motor is fixedly arranged on the outer wall of one side of the heating shell, and the output end of the motor is fixedly connected to one end of the transmission rod.

[0011] Preferably, the connecting mechanism includes a first rod body and a second rod body, the first rod body is fixedly arranged on the upper side of the end of the second arc plate, a socket is provided at the end of the first rod body and at a position corresponding to the first rod body, the first rod body is plugged into the socket, the second rod body is arranged to abut against the upper side of the first rod body, a sliding groove is provided on the upper side of the first rod body, a sliding rod is fixedly arranged inside the sliding groove, the rod wall of the sliding rod is movably sleeved on a sliding block, the upper side of the sliding block is fixedly connected to the second rod body, and a side of the second rod body close to the first rod body abuts against a side of the first arc plate away from the second arc plate.

[0012] Preferably, a spring is movably sleeved on the rod wall of the sliding rod, and two ends of the spring are respectively fixedly connected to a side of the corresponding sliding block close to the heating rod and an inner wall of the sliding groove.

[0013] Preferably, both sides of the sliding block are in contact with the inner wall of the sliding groove.

[0014] Preferably, the motor is fixedly connected to the outer wall of the heating shell via a support frame.

[0015] Preferably, the first arc-shaped plate and the second arc-shaped plate are both ceramic plates.

[0016] Preferably, the motor is a reduction motor.

[0017] Preferably, rubber pads are provided between both ends of the first arc-shaped plate and the second arc-shaped plate.

[0018] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0019] 1. The utility model drives the transmission rod to rotate by a motor, so that the second gear drives the crown gear ring to rotate, and the crown gear ring drives multiple first gears to rotate, that is, multiple internally threaded pipes are rotated, and the internally threaded pipes drive the threaded rods that are limited by the square rod and cannot rotate to move, that is, they can drive multiple heating rods to move, that is, they can adjust the spacing between the multiple heating rods, so as to facilitate the heating of pipes with different diameters.

[0020] 2. The utility model can push the second rod body to be in the same straight line with the first rod body, that is, the first rod body and the second rod body can be pulled out from the insertion hole, the limit on the first arc plate and the second arc plate can be released, and the first arc plate and the second arc plate can be separated, that is, the heating rod can be disassembled and replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0022] Figure 1 This is a schematic diagram of the structure of a device for preparing modified asphalt using a multi-kettle series tubular furnace proposed in the utility model;

[0023] Figure 2 for Figure 1 A schematic diagram of the structure of the middle part A is enlarged;

[0024] Figure 3 for Figure 1 A schematic diagram of the structure of the middle part B is enlarged;

[0025] Figure 4 for Figure 3 Schematic diagram of the enlarged structure of the local C part in the middle.

[0026] Description of reference numerals:

[0027] 1. Device body; 2. Heating shell; 3. Fixing ring; 4. Crown gear ring; 5. Second gear; 6. Transmission rod; 7. Motor; 8. Internal threaded tube; 9. Threaded rod; 10. First gear; 11. Square rod; 12. Heating rod; 13. First arc plate; 14. Second arc plate; 15. First rod body; 16. Second rod body; 17. Sliding block; 18. Sliding rod; 19. Spring. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0029] The utility model embodiment discloses a device for preparing modified asphalt by connecting multiple kettles in series with a tubular furnace.

[0030] Embodiment 1

[0031] Reference Figure 1-4A device for preparing modified asphalt by connecting multiple kettles in series with tubular furnaces includes a device body 1 and a heating shell 2. A pipe penetration hole is opened in the middle of the heating shell 2. A fixing ring 3 is fixedly arranged inside the pipe penetration hole. A plurality of internal threaded tubes 8 are rotatably arranged in a circular array inside the fixing ring. A threaded rod 9 is arranged in the internal thread sleeve of the internal threaded tube 8. One end of the threaded rod 9 extends to the inner side of the pipe penetration hole. A first arc plate 13 is fixedly arranged at the end close to the plurality of threaded rods 9. A second arc plate 14 is arranged against the lower side of the first arc plate 13. A heating rod 12 is clamped between the first arc plate 13 and the second arc plate 14. A square hole is opened at the end of the plurality of threaded rods 9 away from the heating rod 12. A square rod 11 is slidably inserted in the square hole. The end of the square rod 11 away from the heating rod 12 is fixedly connected to the inner wall of the heating shell 2.

[0032] Embodiment 2

[0033] Reference Figure 1-4 A first transmission mechanism for driving multiple internal threaded tubes 8 to rotate is arranged inside the heating shell 2, and the transmission mechanism includes a crown gear ring 4 and a first gear 10. The crown gear ring 4 is rotatably arranged on the inner side of the heating shell 2, and the crown gear ring 4 is concentrically arranged with the tube hole. Multiple first gears 10 are fixedly sleeved with the outer walls of the corresponding internal threaded tubes 8, and the crown gear ring 4 is meshed with the multiple first gears 10. A transmission rod 6 is rotatably arranged inside one side of the heating shell, and a second gear 5 is fixedly sleeved at one end of the inner side of the transmission rod 6, and the second gear 5 is meshed with the crown gear ring 4. A motor 7 is fixedly arranged on the outer wall of one side of the heating shell 2, and the output end of the motor 7 is fixedly connected to one end of the transmission rod 6. The motor 7 is fixedly connected to the outer wall of the heating shell 2 through a support frame, so that the motor 7 is more firmly connected to the heating shell 2. The motor 7 is a reduction motor, which can provide a large and stable transmission force.

[0034] Embodiment 3

[0035] Reference Figure 1-4A connecting mechanism is provided between both ends of the first arc plate 13 and the second arc plate 14. The first arc plate 13 and the second arc plate 14 are fixedly connected by the connecting mechanism. The connecting mechanism includes a first rod body 15 and a second rod body 16. The first rod body 15 is fixedly arranged on the upper side of the end of the second arc plate 14. A plug hole is provided at the end of the first rod body 15 and at a position corresponding to the first rod body 15. The first rod body 15 is plugged into the plug hole. The second rod body 16 is abutted against the upper side of the first rod body 15. A sliding groove is provided on the upper side of the first rod body 15. A sliding rod 18 is fixedly arranged inside the sliding groove. The rod wall of the sliding rod 18 is movably sleeved with a slider 17. The upper side of the slider 17 is fixedly connected to the second rod body 16. Both sides of the slider 17 are in conflict with the inner wall of the slide groove, so that the slider 17 cannot rotate, that is, it can slide stably, and the side of the second rod body 16 close to the first rod body 15 is in conflict with the side of the first curved plate 13 away from the second curved plate 14. The rod wall of the slide rod 18 is movably sleeved with a spring 19, and the two ends of the spring 19 are respectively fixedly connected to the corresponding side of the slider 17 close to the heating rod 12 and the inner wall of the slide groove to facilitate the reset of the slider 17. The first curved plate 13 and the second curved plate 14 are both ceramic plates with good high temperature resistance. Rubber pads are provided between the two ends of the first curved plate 13 and the second curved plate 14, so that the first curved plate 13 and the second curved plate 14 are more tightly connected.

[0036] In the practical wedge, when in use, the motor 7 drives the transmission rod 6 to rotate, so that the second gear 5 drives the crown gear ring 4 to rotate, and the crown gear ring 4 drives the multiple first gears 10 to rotate, that is, the multiple internal threaded tubes 8 are rotated, and the internal threaded tube 8 drives the threaded rod 9 that is limited by the square rod 11 and cannot rotate to move, that is, it can drive the multiple heating rods 12 to move, that is, it can adjust the spacing between the multiple heating rods 12, so as to facilitate the heating of pipes with different diameters. When the heating rod 12 is damaged, the second rod body 16 is pushed to be in the same straight line with the first rod body 15, that is, the first rod body 15 and the second rod body 16 can be pulled out of the insertion hole, the limitation of the first arc plate 13 and the second arc plate 14 is released, and the first arc plate 13 and the second arc plate 14 are separated, that is, the heating rod 12 can be disassembled and replaced.

[0037] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A device for preparing modified asphalt using a multi-reactor series tubular furnace, comprising a device body (1) and a heating shell (2), characterized in that: A pipe-through hole is provided in the middle of the heating shell (2), a fixing ring (3) is fixedly arranged inside the pipe-through hole, a plurality of internally threaded tubes (8) are rotatably arranged in a circular array inside the fixing ring, a threaded rod (9) is provided on the internal thread sleeve of the internally threaded tube (8), one end of the threaded rod (9) extends to the inner side of the pipe-through hole, a first arc plate (13) is fixedly arranged on the close ends of the plurality of threaded rods (9), a second arc plate (14) is arranged against the lower side of the first arc plate (13), a heating rod (12) is clamped between the first arc plate (13) and the second arc plate (14), a square hole is provided on the ends of the plurality of threaded rods (9) away from the heating rod (12), a square rod (11) is slidably inserted inside the square hole, and the end of the square rod (11) away from the heating rod (12) is fixedly connected to the inner wall of the heating shell (2); A first transmission mechanism is provided inside the heating shell (2) for driving the plurality of internally threaded tubes (8) to rotate; A connecting mechanism is provided between both ends of the first arc-shaped plate (13) and the second arc-shaped plate (14), and the first arc-shaped plate (13) and the second arc-shaped plate (14) are fixedly connected via the connecting mechanism.

2. The device for preparing modified asphalt with multiple kettles in series connected tubular furnaces according to claim 1, characterized in that: The transmission mechanism comprises a crown gear ring (4) and a first gear (10). The crown gear ring (4) is rotatably arranged on the inner side of the heating shell (2). The crown gear ring (4) is concentrically arranged with the pipe penetration hole. A plurality of the first gears (10) are fixedly sleeved on the outer wall of the corresponding internally threaded tube (8). The crown gear ring (4) is meshingly connected with the plurality of the first gears (10). A transmission rod (6) is rotatably arranged inside one side of the heating shell. A second gear (5) is fixedly sleeved on one end of the inner side of the transmission rod (6). The second gear (5) is meshingly connected with the crown gear ring (4). A motor (7) is fixedly arranged on the outer wall of one side of the heating shell (2). The output end of the motor (7) is fixedly connected with one end of the transmission rod (6).

3. The device for preparing modified asphalt with multiple kettles in series connected tubular furnaces according to claim 1, characterized in that: The connecting mechanism comprises a first rod body (15) and a second rod body (16), the first rod body (15) being fixedly arranged on the upper side of the end of the second arc-shaped plate (14), a plug hole being provided at the end of the first rod body (15) and at a position corresponding to the first rod body (15), the first rod body (15) being plugged into the plug hole, the second rod body (16) being arranged against the upper side of the first rod body (15), a slide groove being provided on the upper side of the first rod body (15), a slide rod (18) being fixedly arranged inside the slide groove, a rod wall of the slide rod (18) being movably sleeved with a slide block (17), the upper side of the slide block (17) being fixedly connected to the second rod body (16), and a side of the second rod body (16) close to the first rod body (15) being in contact with a side of the first arc-shaped plate (13) away from the second arc-shaped plate (14).

4. The device for preparing modified asphalt with multiple kettles in series connected tubular furnaces according to claim 3, characterized in that: The rod wall of the slide rod (18) is movably sleeved with a spring (19), and the two ends of the spring (19) are respectively fixedly connected to the side of the corresponding slide block (17) close to the heating rod (12) and the inner wall of the slide groove.

5. The device for preparing modified asphalt with multiple kettles in series connected tubular furnaces according to claim 3, characterized in that: Both sides of the sliding block (17) are in contact with the inner wall of the sliding groove.

6. The device for preparing modified asphalt with multiple kettles in series connected tubular furnaces according to claim 2, characterized in that: The motor (7) is fixedly connected to the outer wall of the heating shell (2) via a support frame.

7. The device for preparing modified asphalt with multiple kettles in series connected tubular furnaces according to claim 1, characterized in that: The first arc-shaped plate (13) and the second arc-shaped plate (14) are both ceramic plates.

8. The device for preparing modified asphalt with multiple kettles in series connected tubular furnaces according to claim 2, characterized in that: The motor (7) is a reduction motor.

9. The device for preparing modified asphalt with multiple kettles in series connected tubular furnaces according to claim 1, characterized in that: Rubber pads are provided between both ends of the first arc-shaped plate (13) and the second arc-shaped plate (14).