Hoisting and transferring device for tube box cover plate of reaction kettle

Abstract

The utility model relates to a hoisting and transferring device for a tube box cover plate of a reaction kettle. Comprising a reaction kettle, a tube box cover plate matched with a tube box is arranged in the reaction kettle, a manhole is formed in the inner wall, corresponding to the tube box cover plate, of the reaction kettle, a tube box cover plate hoisting unit used for hoisting the tube box cover plate is arranged on the upper portion of the tube box cover plate, and a temporary storage and transfer unit used for containing the tube box cover plate is arranged on the lower portion of the tube box cover plate; the tube box cover plate hoisting unit comprises a hoisting part and a fixing part matched with the reaction kettle; the device has the characteristics of reducing the number of operators, reducing the labor intensity and preventing the channel cover plate from colliding with the reaction kettle.

Description

Technical Field

[0001] The utility model relates to the technical field of reactor maintenance, in particular to a reactor pipe box cover hoisting and transporting device. Background Art

[0002] Reactors are commonly used equipment in chemical companies. After the reactor has been running for a long time, the medium heat exchange tube bundle inside it needs to be inspected to lay the foundation for the stable operation of subsequent equipment. Therefore, the reactor needs to be frequently inspected and maintained. During the maintenance process, in order to check the medium heat exchange tube bundle inside the head, the tube box cover needs to be removed. The tube box cover is heavy and large in size. Furthermore, the internal space of the reactor head is relatively closed and cramped. In traditional technology, three operators are usually required to remove the tube box cover. The first operator needs to connect the guide chain to the ear reserved on the inner wall of the reactor and control the direction of the guide chain; the second operator operates the guide chain to transport the tube box cover; the third operator controls the direction of the tube box cover to avoid collision between the tube box cover and the inside of the reactor. In the above process, due to the small space inside the reactor, it is inconvenient for the three operators to operate and the labor intensity is high. In addition, the tube box cover is easily deformed due to collision with the reactor, which affects the service life of the corresponding equipment. Utility Model Content

[0003] The utility model aims to provide a device for hoisting and transporting a pipe box cover of a reactor, so as to overcome the defects in the prior art.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A device for hoisting and transferring a pipe box cover of a reactor comprises a reactor, wherein a pipe box cover matched with a pipe box is arranged inside the reactor, a manhole is provided on the inner wall of the reactor corresponding to the pipe box cover, a pipe box cover hoisting unit for hoisting the pipe box cover is arranged at the upper part of the pipe box cover, and a temporary storage and transfer unit for placing the pipe box cover is arranged at the lower part of the pipe box cover; the pipe box cover hoisting unit comprises a hoisting part and a fixing part matched with the reactor.

[0006] The beneficial effects of the utility model are as follows: a pipe box cover hoisting unit is provided to realize the hoisting of the pipe box cover, and a temporary storage and transfer unit is provided on the basis of hoisting the pipe box cover to facilitate the placement and transfer of the pipe box cover, wherein the pipe box cover hoisting unit includes a hoisting part and a fixing part, and the hoisting part is connected to the inside of the reactor through the fixing part. Through the above-mentioned arrangement, the hoisting part can be fixed in a suitable position, thereby reducing the number of operators, reducing labor intensity, and avoiding collision between the pipe box cover and the reactor.

[0007] Preferably, the hoisting part comprises an I-beam traveling bracket, and the I-beam traveling bracket is provided with a monorail vehicle capable of traveling along the I-beam traveling bracket.

[0008] Preferably, both ends of the I-beam traveling support are respectively provided with limit blocks for limiting the position of the monorail vehicle.

[0009] Preferably, the fixing part includes a lifting lug arranged on the top of the I-beam traveling bracket, and the lifting lug is connected to the lug reserved on the inner wall of the reactor through a rope; a connecting vertical pole is provided at the front end of the I-beam traveling bracket, and a connecting support plate adapted to the pipe box reinforcement rib is provided at the bottom of the connecting vertical pole.

[0010] Preferably, the connecting support plate is provided with connecting holes, and the pipe box reinforcement ribs and the connecting support plate are connected by bolts.

[0011] Preferably, the temporary storage and transfer unit comprises a top plate frame, the inner side of the top plate frame is movably arranged on the top of the pipe box bracket, and the outer lower part of the top plate frame is provided with a support leg for supporting the top plate frame.

[0012] Preferably, a wooden board layer for supporting the pipe box cover is mounted inside the top plate frame.

[0013] Preferably, the bottom of the supporting leg is movably connected to a base via a pin, the lower surface of the base is adapted to the inner wall in contact with the reaction kettle, and anti-slip grooves are provided on the lower surface of the base.

[0014] A reactor pipe box cover hoisting and transporting device made according to the above scheme is a modification based on the internal structure of the reactor, so that the hoisting and transporting device matches the inside of the reactor to facilitate the hoisting and transport of the pipe box cover; specifically, the I-beam walking bracket described in the utility model is used for the movement of the monorail vehicle, so that it is in a suitable position during hoisting and transport, and is connected to the hoisting lugs reserved on the inner wall of the reactor through the hoisting lugs, and the front end of the I-beam walking bracket is connected to the pipe box reinforcement rib; the above arrangement can not only facilitate the movement of the monorail vehicle, but also make it in a suitable position The position is achieved to avoid the problem of collision between the pipe box cover and the reactor. At the same time, by fixing the pipe box cover hoisting unit, the number of operators and the labor intensity can be reduced, so as to facilitate the hoisting of the pipe box cover in a small space. Furthermore, the utility model is also provided with a temporary storage and transfer unit to facilitate the temporary storage and transfer of the pipe box cover. Specifically, the top plate frame is used to place the pipe box cover, the inner side of the top plate frame cooperates with the top of the pipe box bracket, and the outer side is provided with legs to support the top plate frame. By providing a movably connected base, support can be formed according to the condition of the inner wall of the reactor to achieve the characteristics of a firm structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the pipe box cover hoisting unit of the utility model.

[0017] Figure 3 It is a structural schematic diagram of the temporary storage and transfer unit of the utility model.

[0018] Figure 4 The utility model is a schematic diagram of the positional relationship between the connecting pole and the connecting support plate.

[0019] In the figure: 1. Reactor; 2. Pipe box cover; 3. Manhole; 4. I-beam walking bracket; 5. Monorail; 6. Limit block; 7. Lifting eye; 8. Rope; 9. Lifting eye; 10. Connecting pole; 11. Pipe box reinforcement rib; 12. Connecting support plate; 13. Connecting hole; 14. Base; 15. Top plate frame; 16. Pipe box bracket; 17. Leg; 18. Wooden board layer. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] Reference Figure 1-4 As shown, a reactor pipe box cover hoisting and transporting device comprises a reactor 1, wherein a pipe box cover 2 matched with the pipe box is arranged inside the reactor 1, a manhole 3 is opened on the inner wall of the reactor 1 corresponding to the pipe box cover 2, a pipe box cover hoisting unit for hoisting the pipe box cover 2 is arranged on the upper part of the pipe box cover 2, and a temporary storage and transport unit for placing the pipe box cover 2 is arranged on the lower part of the pipe box cover 2; the pipe box cover hoisting unit comprises a hoisting part and a fixing part matched with the reactor 1. The hoisting and transporting device described in the utility model is matched with the interior of the reactor 1 to meet the purpose of hoisting and transporting the pipe box cover in a narrow space, wherein the hoisting and transporting device includes a temporary storage and transport unit for placing the pipe box cover 2 and a pipe box cover hoisting unit, and the pipe box cover hoisting unit is fixedly connected to the interior of the reactor 1 by setting a fixing part, thereby reducing the number of on-site operators and providing a position for the setting of the temporary storage and transport unit, thereby achieving the characteristics of reducing operators, reducing labor intensity, and avoiding collision between the pipe box cover and the reactor.

[0022] Furthermore, the hoisting part includes an I-beam traveling support 4, and a monorail vehicle 5 capable of traveling along the I-beam traveling support 4 is provided on the I-beam traveling support 4. The monorail vehicle 5 described in the utility model can be a manual monorail vehicle or an electric monorail vehicle, which can move and position on the I-beam traveling support 4, so that the monorail vehicle 5 can be fixed in a suitable position, which lays a foundation for subsequent hoisting and avoiding collision with the reactor 1 during the hoisting process.

[0023] Furthermore, both ends of the I-beam traveling support 4 are provided with stop blocks 6 for limiting the position of the monorail vehicle 5. The stop blocks 6 can prevent the monorail vehicle 5 from detaching from the I-beam traveling support 4 and causing a safety accident; the above arrangement can enable the monorail vehicle 5 to move freely within the I-beam traveling support 4 limited by the stop blocks 6.

[0024] Furthermore, the fixing part includes a lifting lug 7 arranged on the top of the I-beam walking bracket 4, and the lifting lug 7 is connected to the lug 9 reserved on the inner wall of the reactor 1 through a rope 8; the front end of the I-beam walking bracket 4 is provided with a connecting pole 10, and the bottom of the connecting pole 10 is provided with a connecting support plate 12 adapted to the pipe box reinforcement rib 11. The reserved lug 9 on the inner wall of the reactor 1 is used to install the guide chain in the traditional technology. The utility model uses it as one of the fixing parts of the pipe box cover plate lifting unit, and at the same time uses the connecting support plate 12 to connect with the pipe box reinforcement rib 11. The above two structural settings are matched to make the position between the I-beam walking bracket 4 and the reactor 1 fixed and the structure firm, and at the same time, it can make it easy for the monorail vehicle 5 to select a suitable position, and avoid the collision between the pipe box cover plate and the reactor 1 on the basis of reducing the use of personnel.

[0025] Furthermore, a connection hole 13 is provided on the connection support plate 12, and the pipe box reinforcement rib 11 and the connection support plate 12 are connected by bolts.

[0026] Furthermore, the temporary storage and transfer unit includes a top plate frame 15, the inner side of the top plate frame 15 is movably arranged on the top of the pipe box bracket 16, and the outer lower part of the top plate frame 15 is provided with a leg 17 for supporting the top plate frame 15. The top plate frame 15 described in the utility model is used to place the disassembled pipe box cover plate 2, the inner side of the top plate frame 15 is placed on the top of the pipe box bracket 16 according to the internal situation of the reactor 1, and the outer side of the top plate frame 15 is supported by the leg 17, so as to achieve the purpose of simple structure, small footprint and convenient temporary storage and transfer of the pipe box cover plate 2.

[0027] Furthermore, a wooden board layer 18 for supporting the pipe box cover plate 2 is mounted inside the top plate frame 15. The wooden board layer 18 can be provided to facilitate placement of the pipe box cover plate 2.

[0028] Furthermore, the bottom of the supporting leg 17 is movably connected to the base 14 through a pin, and the lower surface of the base 14 is adapted to the inner wall in contact with the reactor 1, and anti-skid patterns are provided on the lower surface of the base 14. When the inner wall of the reactor 1 is a plane, the lower surface of the base 14 can be a plane; when the inner wall of the reactor 1 is an arc surface, the lower surface of the base 14 can be an arc surface; it can be replaced by disassembling and installing the pin, so that the lower surface of the base 14 is the same as the inner wall of the reactor 1, thereby increasing the contact area and making the structure more stable; further, in order to increase the friction force, the lower surface of the base 14 is preferably provided with anti-skid patterns on the contact of the above structure.

[0029] The working principle of the utility model is as follows: when using the utility model, the pipe box cover hoisting unit and the temporary storage and transfer unit are first transported to the interior of the reactor 1 through the manhole 3 respectively, and installed; preferably, the temporary storage and transfer unit is installed first, and the top plate frame 15 and the legs 17 are detachable structures. After entering the interior of the reactor 1, they are connected by high-strength bolts, and a suitable base 14 is selected according to the inner wall of the reactor 1, so that the structure of the temporary storage and transfer unit is stable and reliable; finally, a wooden board layer 18 is set on the top of the top plate frame 15; after the temporary storage and transfer unit is installed, the operator can stand on the upper part of the wooden board layer 18 to install the pipe The box cover hoisting unit is specifically as follows: the hoisting ear 7 is connected to the ear 9 reserved on the inner wall of the reactor 1 through the rope 8, and then the bolts are passed through the connecting holes 3 on the connecting support plate 12 and the pipe box reinforcement ribs 14, so as to fix the pipe box cover hoisting unit; when hoisting the pipe box cover, an operator enters the interior of the reactor 1 through the manhole 3 to remove the bolts on the pipe box cover 2; after removal, the pipe box cover 2 is fixedly connected to the hoisting parts at the bottom of the monorail trolley 5; and the monorail trolley 5 is moved to a suitable position on the I-beam walking bracket 4; finally, the monorail trolley 5 is used to place the pipe box cover 2 on the wooden board layer 18. It can be seen from the above content that the technical solution can realize the hoisting and transportation of the pipe box cover 2 with only one operator, and its structure matches the structure inside the reactor 1, and has the characteristics of stability and reliability, thereby reducing the number of operators and reducing labor intensity, so as to achieve the characteristics of facilitating the hoisting of the pipe box cover in a small space.

[0030] 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. A reactor pipe box cover hoisting and transporting device, comprising a reactor (1), a pipe box cover (2) adapted to the pipe box is provided inside the reactor (1), a manhole (3) is provided on the inner wall of the reactor (1) corresponding to the pipe box cover (2), and the device is characterized in that: The upper part of the pipe box cover plate (2) is provided with a pipe box cover plate hoisting unit for hoisting the pipe box cover plate (2), and the lower part of the pipe box cover plate (2) is provided with a temporary storage and transfer unit for placing the pipe box cover plate (2); The pipe box cover plate hoisting unit comprises a hoisting part and a fixing part matching the reaction kettle (1).

2. The reactor tube box cover hoisting and transporting device according to claim 1, characterized in that: The hoisting part comprises an I-beam traveling support (4), and the I-beam traveling support (4) is provided with a monorail vehicle (5) capable of traveling along the I-beam traveling support (4).

3. The device for hoisting and transporting the reactor pipe box cover according to claim 2 is characterized in that: Limit blocks (6) for limiting the position of the monorail vehicle (5) are respectively provided at both ends of the I-beam traveling support (4).

4. A reactor pipe box cover hoisting and transporting device according to claim 2 or 3, characterized in that: The fixing part comprises a lifting lug (7) arranged on the top of the I-beam walking bracket (4), and the lifting lug (7) is connected to a lifting lug (9) reserved on the inner wall of the reactor (1) through a rope (8); A connecting pole (10) is arranged at the front end of the I-beam walking bracket (4), and a connecting support plate (12) matched with the pipe box reinforcing rib (11) is arranged at the bottom of the connecting pole (10).

5. The device for hoisting and transporting the reactor pipe box cover according to claim 4 is characterized in that: The connecting support plate (12) is provided with a connecting hole (13), and the pipe box reinforcement rib (11) and the connecting support plate (12) are connected by bolts.

6. The device for hoisting and transporting the reactor pipe box cover according to claim 1, characterized in that: The temporary storage and transfer unit comprises a top plate frame (15), the inner side of the top plate frame (15) is movably arranged on the top of the pipe box bracket (16), and the outer lower part of the top plate frame (15) is provided with a support leg (17) for supporting the top plate frame (15).

7. The device for hoisting and transporting the reactor pipe box cover according to claim 6, characterized in that: A wooden board layer (18) for supporting the pipe box cover plate (2) is mounted inside the top plate frame (15).

8. A reactor pipe box cover hoisting and transporting device according to claim 6 or 7, characterized in that: The bottom of the support leg (17) is movably connected to the base (14) via a pin shaft, the lower surface of the base (14) is adapted to the inner wall in contact with the reaction kettle (1), and the lower surface of the base (14) is provided with anti-slip grooves.

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