Amphoteric polyacrylamide reaction kettle and amphoteric polyacrylamide production equipment

By designing the coordination of the limit rod, threaded rod and movable rod, the constant temperature plate can be easily replaced, which solves the problem of inconvenient constant temperature plate replacement in traditional equipment and realizes the convenient operation and stability of the amphoteric polyacrylamide production equipment.

CN120754798AInactive Publication Date: 2025-10-10胜利油田世森石油化工有限责任公司
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Patent Information

Application Number
CN202510817733.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-18
Publication Date
2025-10-10
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The constant temperature plate in traditional amphoteric polyacrylamide production equipment is inconvenient to replace, which leads to limitations in use.

Method used

An amphoteric polyacrylamide reactor and production equipment were designed. The constant temperature plate could be easily replaced by the cooperation of the limit rod, threaded rod and movable rod, and the stability and mixing effect of the equipment were ensured by the stirring rod and turntable structure.

Benefits of technology

It realizes convenient replacement of constant temperature plates and effective stirring and mixing of raw materials, improving the flexibility and stability of equipment use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of amphoteric polyacrylamide production, and discloses amphoteric polyacrylamide production equipment which comprises a base, a reaction kettle device is arranged on one side of the outer surface of the base, a long pipe is arranged on one side of the outer surface of the reaction kettle device, and a device tank is arranged at one end of the long pipe. A cover plate is arranged on one side of the outer surface of the device tank, a connecting base is arranged on one side of the inner wall of the device tank, a limiting rod is arranged in the connecting base, a constant-temperature plate is arranged in the device tank, and a supporting rod is arranged on one side of the outer surface of the constant-temperature plate. According to the device, when a limiting rod and the cover plate are disconnected, the cover plate is taken down, then through a threaded rod arranged in the device, when the threaded rod rotates, a movable rod drives an inserting rod to move left and right, when the inserting rod and a connecting rod are disconnected, a constant-temperature plate can move, and then the constant-temperature plate is pulled downwards, so that a supporting rod and a connecting pipe are disconnected; and the constant-temperature plate can be taken down, so that the effect of replacing the constant-temperature plate is achieved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of amphoteric polyacrylamide production, in particular to an amphoteric polyacrylamide reaction kettle and amphoteric polyacrylamide production equipment. BACKGROUND

[0002] The amphoteric polyacrylamide is a high-molecular compound with a unique chemical structure, and contains cationic groups and anionic groups on the molecular chain, thus showing the characteristics of amphoteric ions. The amphoteric polyacrylamide is formed by hydrolytic copolymerization of acrylamide monomers and other monomers (such as vinyl amide and vinyl cation monomers), and has both positive charges (such as vinyl cation) and negative charges (such as carboxyl negative charges after hydrolysis of acrylamide) on the molecular chain, thus forming an amphoteric ion irregular polymer.

[0003] With the continuous change of people's life, people's use of amphoteric polyacrylamide becomes more and more common, so that the production of amphoteric polyacrylamide becomes more and more common, and the equipment used for the production of amphoteric polyacrylamide becomes more and more common. In order to ensure production, a thermostat plate is arranged in the equipment when the traditional device is used. However, the traditional device is inconvenient to replace the thermostat plate, which has great limitations in use. Therefore, a new structure is proposed to solve this technical problem. SUMMARY

[0004] (I) Technical problem to be solved

[0005] In view of the defects in the prior art, the application provides an amphoteric polyacrylamide reaction kettle and amphoteric polyacrylamide production equipment, which has the advantages of being convenient to replace the thermostat plate and solves the problem that the traditional device is inconvenient to replace the thermostat plate mentioned in the background technology.

[0006] (II) Technical scheme

[0007] In order to achieve the purpose of being convenient to replace the thermostat plate mentioned in the background technology, the application provides the following technical scheme: an amphoteric polyacrylamide production equipment, comprising a base, a reaction kettle device is arranged on one side of the outer surface of the base, a long pipe is arranged on one side of the outer surface of the reaction kettle device, a device tank is arranged at one end of the long pipe, a cover plate is arranged on one side of the outer surface of the device tank, a connecting seat is arranged on one side of the inner wall of the device tank, a limiting rod is arranged in the connecting seat, a thermostat plate is arranged in the device tank, a supporting rod is arranged on one side of the outer surface of the thermostat plate, a device box is arranged on one side of the inner wall of the device tank, a connecting pipe is arranged in the device box, an auxiliary pipe is arranged on one side of the outer surface of the connecting pipe, a plug rod is arranged in the auxiliary pipe, a movable rod is arranged on one side of the outer surface of the plug rod, and a threaded rod is arranged on one side of the outer surface of the movable rod.

[0008] Preferably, there are two connecting seats, and the two connecting seats are evenly arranged on the left and right sides of the inner wall of the device tank.

[0009] Preferably, one side of the outer surface of the connecting seat contacts one side of the inner wall of the device tank, passes through one side of the inner wall of the device tank, reaches one side of the outer surface of the device tank, and is fixedly connected to the device tank.

[0010] Preferably, there are two device boxes, and the two device boxes are evenly arranged on the left and right sides of the inner wall of the device tank, and one side of the outer surface of the device box contacts one side of the inner wall of the device tank, and passes through one side of the inner wall of the device tank to one side of the outer surface of the device tank, and is fixedly connected to the device tank.

[0011] Preferably, there are two connecting pipes, and the two connecting pipes are evenly arranged in the left and right device boxes, and one end of the connecting pipe is fixedly connected to one side of the inner wall of the device box, and the other end contacts the other side of the inner wall of the device box, and passes through one side of the inner wall of the device box to one side of the outer surface of the device box, and is fixedly connected to the device box.

[0012] Slide grooves are provided on the upper and lower sides of the inner wall of the auxiliary tube, and one side of the outer surface of the slide groove contacts one side of the inner wall of the auxiliary tube and passes through one side of the inner wall of the auxiliary tube to one side of the outer surface of the auxiliary tube. The insertion rod is provided in the auxiliary tube, and a sliding rod is provided on one side of the outer surface of the insertion rod. One end of the sliding rod is fixedly connected to one side of the outer surface of the insertion rod, and the other end of the sliding rod is slidably connected to the slide groove, so that the insertion rod has greater stability when moving left and right.

[0013] One end of the threaded rod contacts one side of the outer surface of the movable rod, passes through one side of the outer surface of the movable rod, reaches the other side of the outer surface of the movable rod, and is threadedly connected to the movable rod. One end of the movable rod passes through one side of the outer surface of the auxiliary tube and is fixedly connected to one side of the outer surface of the insertion rod, and the movable rod is slidably connected to the slide groove, so that the insertion rod can move left and right under the drive of the movable rod.

[0014] Preferably, the reactor device includes a bottom tank, a stirring rod is provided inside the bottom tank, a connecting plate is provided at one end of the stirring rod, a sealing plate is provided on one side of the outer surface of the bottom tank, a connecting box is provided on one side of the outer surface of the sealing plate, a device pipe is provided inside the connecting box, a fixed plug rod is provided inside the device pipe, a groove plate is provided on one side of the outer surface of the fixed plug rod, a turntable is provided on one side of the outer surface of the groove plate, a rotating rod is provided on one side of the outer surface of the turntable, a movable groove plate is provided on one side of the outer surface of the turntable, a cross bar is provided on one side of the outer surface of the movable groove plate, a fixed rod is provided at one end of the movable groove plate, and a device plate is provided on one side of the inner wall of the bottom tank.

[0015] Preferably, there are two connection boxes, and the two connection boxes are evenly arranged on one side of the outer surface of the sealing plate, and one side of the outer surface of the connection box contacts one side of the outer surface of the sealing plate, and passes through one side of the outer surface of the sealing plate to the other side of the outer surface of the sealing plate, and is fixedly connected to the sealing plate.

[0016] Preferably, there are two device tubes, and the two device tubes are evenly arranged in the left and right connecting boxes, and one end of the device tube is fixedly connected to one side of the inner wall of the connecting box, and the other end contacts the other side of the inner wall of the connecting box, and passes through one side of the inner wall of the connecting box to the side of the outer surface of the connecting box, and is fixedly connected to the connecting box.

[0017] There are multiple rotating rods, and each of the multiple rotating rods forms a group of two, and is evenly arranged on one side of the outer surface of the left and right turntables. One end of the rotating rod is fixedly connected to one side of the outer surface of the turntable, and the other end of the rotating rod is slidably connected to the inner wall of the slot plate and the inner wall of the movable slot plate, so that when the movable slot plate moves left and right, the rotating rod drives the turntable to rotate, thereby causing the slot plate to move left and right. One end of the slot plate passes through one side of the outer surface of the device tube and is fixedly connected to one side of the outer surface of the fixed insertion rod, so that when the slot plate moves left and right, the fixed insertion rod moves left and right.

[0018] The cross bar is arranged in the connecting box, and the left and right ends of the cross bar are fixedly connected to the left and right sides of the inner wall of the connecting box respectively, and the cross bar passes through the movable slot plate, so that the movable slot plate has more stability when it moves left and right, and one end of the movable slot plate is provided with a mounting hole, and one end of the mounting hole contacts with one side of the outer surface of the movable slot plate and passes through one side of the outer surface of the movable slot plate to the movable slot plate, and upper and lower sliding grooves are provided on the left and right sides of the inner wall of the mounting hole, and one side of the outer surface of the upper and lower sliding grooves contacts with one side of the inner wall of the mounting hole and passes through one side of the inner wall of the mounting hole to the movable slot plate, and the fixing rod is arranged in the mounting hole, and limit plates are provided on the left and right sides of the outer surface of the fixing rod, and one side of the outer surface of the limit plate is fixedly connected to one side of the outer surface of the fixing rod, and the other side of the outer surface of the limit plate is slidably connected to the inner wall of the upper and lower sliding grooves, so that the fixing rod can move up and down, and has more stability, and will not be disconnected from the movable slot plate.

[0019] Compared with the prior art, the present invention provides an amphoteric polyacrylamide reactor and an amphoteric polyacrylamide production device, which have the following beneficial effects:

[0020] 1. The present invention removes the cover plate when the limit rod is disconnected from the cover plate, and then uses a threaded rod provided in the device to rotate the threaded rod, so that the movable rod drives the insertion rod to move left and right. When the insertion rod is disconnected from the connecting rod, the constant temperature plate can be movable. Then, the constant temperature plate is pulled downward to disconnect the support rod from the connecting pipe, and the constant temperature plate can be removed, thereby achieving the effect of replacing the constant temperature plate.

[0021] 2. The present invention provides a stirring rod in the device, and the upper end of the stirring rod is fixedly connected to a connecting plate. When the motor is connected to the connecting plate, the motor is started to rotate the stirring rod, so that the device can stir and mix the raw materials when in use.

[0022] 3. The present invention provides a movable slot plate in the device. When the movable slot plate moves, the turntable rotates. When the turntable rotates, the slot plate can drive the fixed plug rod to move left and right. When the fixed plug rod is plugged into the device plate, the position of the sealing plate is fixed, thereby ensuring the stability of the device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the present invention;

[0024] Figure 2 It is a schematic front cross-sectional view of the structure of the present invention;

[0025] Figure 3 It is a partially enlarged schematic diagram of a front view and cross section of the structure of the present invention;

[0026] Figure 4 This is a front cross-sectional schematic diagram of the structural reactor device of the present invention;

[0027] Figure 5 It is a partially enlarged schematic diagram of the front view and cross-section of the structural reactor device of the present invention.

[0028] 1. Base; 2. Reactor device; 3. Long tube; 4. Device tank; 5. Cover plate; 6. Connecting seat; 7. Limit rod; 8. Constant temperature plate; 9. Support rod; 10. Device box; 11. Connecting pipe; 12. Auxiliary pipe; 13. Insert rod; 14. Movable rod; 15. Threaded rod; 201. Bottom tank; 202. Stirring rod; 203. Connecting plate; 204. Sealing plate; 205. Connecting box; 206. Device pipe; 207. Fixed insert rod; 208. Slot plate; 209. Turntable; 210. Rotating rod; 211. Movable slot plate; 212. Cross bar; 213. Fixed rod; 214. Device plate. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1-Figure 5 , an amphoteric polyacrylamide production device, comprising a base 1;

[0031] like Figure 1-Figure 5 As shown, a reactor device 2 is provided on one side of the outer surface of the base 1, a long tube 3 is provided on one side of the outer surface of the reactor device 2, a device tank 4 is provided at one end of the connecting tube 3, a cover plate 5 is provided on one side of the outer surface of the device tank 4, a connecting seat 6 is provided on one side of the inner wall of the device tank 4, a limiting rod 7 is provided inside the connecting seat 6, a constant temperature plate 8 is provided inside the device tank 4, a support rod 9 is provided on one side of the outer surface of the constant temperature plate 8, a device box 10 is provided on one side of the inner wall of the device tank 4, a connecting pipe 11 is provided inside the device box 10, an auxiliary pipe 12 is provided on one side of the outer surface of the connecting pipe 11, an insertion rod 13 is provided inside the auxiliary pipe 12, a movable rod 14 is provided on one side of the outer surface of the insertion rod 13, and a threaded rod 15 is provided on one side of the outer surface of the movable rod 14.

[0032] Specifically, such as Figure 1-Figure 5 As shown, there are two connecting seats 6 , and the two connecting seats 6 are evenly arranged on the left and right sides of the inner wall of the device tank 4 .

[0033] Specifically, such as Figure 1-Figure 5 As shown, one side of the outer surface of the connecting seat 6 contacts one side of the inner wall of the device tank 4, passes through one side of the inner wall of the device tank 4, reaches one side of the outer surface of the device tank 4, and is fixedly connected to the device tank 4.

[0034] Specifically, such as Figure 1-Figure 5 As shown, there are two device boxes 10, and the two device boxes 10 are evenly arranged on the left and right sides of the inner wall of the device tank 4, and one side of the outer surface of the device box 10 contacts one side of the inner wall of the device tank 4, and passes through one side of the inner wall of the device tank 4 to one side of the outer surface of the device tank 4, and is fixedly connected to the device tank 4.

[0035] Specifically, such as Figure 1-Figure 5 As shown, there are two connecting pipes 11, and the two connecting pipes 11 are evenly arranged in the left and right device boxes 10, and one end of the connecting pipe 11 is fixedly connected to one side of the inner wall of the device box 10, and the other end is in contact with the other side of the inner wall of the device box 10, and passes through one side of the inner wall of the device box 10 to the side of the outer surface of the device box 10, and is fixedly connected to the device box 10.

[0036] Through the above technical solution, the auxiliary tube 12 is provided with slide grooves on the upper and lower sides of the inner wall, and one side of the outer surface of the slide groove contacts one side of the inner wall of the auxiliary tube 12 and passes through one side of the inner wall of the auxiliary tube 12 to one side of the outer surface of the auxiliary tube 12, and the insertion rod 13 is provided in the auxiliary tube 12, and a sliding rod is provided on one side of the outer surface of the insertion rod 13, and one end of the sliding rod is fixedly connected to one side of the outer surface of the insertion rod 13, and the other end of the sliding rod is slidably connected to the slide groove, so that the insertion rod 13 has greater stability when it moves left and right;

[0037] And the threaded rod 15 one end with the outer surface of the movable rod 14 one side contact, and through the outer surface of the movable rod 14 one side, to the outer surface of the movable rod 14 the other side, and between the threaded connection with movable rod 14, and movable rod 14 one end through the outer surface of the auxiliary tube 12 one side, and with the outer surface of the plug rod 13 one side fixed connection, and movable rod 14 and sliding groove between the sliding connection, so that the plug rod 13 can be driven by the movable rod 14 left and right movement.

[0038] Specifically, as shown in Figure 1-Figure 5 The reactor device 2 includes a bottom tank 201, the inside of the bottom tank 201 is provided with a stirring rod 202, one end of the stirring rod 202 is provided with a connecting plate 203, one side of the outer surface of the bottom tank 201 is provided with a sealing plate 204, one side of the outer surface of the sealing plate 204 is provided with a connecting box 205, the inside of the connecting box 205 is provided with a device pipe 206, the inside of the device pipe 206 is provided with a fixed plug rod 207, one side of the outer surface of the fixed plug rod 207 is provided with a groove plate 208, one side of the outer surface of the groove plate 208 is provided with a turntable 209, one side of the outer surface of the turntable 209 is provided with a rotating rod 210, one side of the outer surface of the turntable 209 is provided with a movable groove plate 211, one side of the outer surface of the movable groove plate 211 is provided with a cross rod 212, one end of the movable groove plate 211 is provided with a fixed rod 213, one side of the inner wall of the bottom tank 201 is provided with a device plate 214.

[0039] Specifically, as shown in Figure 1-Figure 5 The connecting box 205 is two, and the two connecting boxes 205 are evenly arranged on one side of the outer surface of the sealing plate 204, and one side of the outer surface of the connecting box 205 is in contact with one side of the outer surface of the sealing plate 204, and penetrates one side of the outer surface of the sealing plate 204 to the other side of the outer surface of the sealing plate 204, and is fixedly connected between the sealing plate 204.

[0040] Specifically, as shown in Figure 1-Figure 5 The device pipe 206 is two, and the two device pipes 206 are evenly arranged in the left and right connecting boxes 205, and one end of the device pipe 206 is fixedly connected with one side of the inner wall of the connecting box 205, and the other end is in contact with the other side of the inner wall of the connecting box 205, and penetrates one side of the inner wall of the connecting box 205 to one side of the outer surface of the connecting box 205, and is fixedly connected between the connecting box 205.

[0041] Through the above technical solution, there are multiple rotating rods 210, and each of the multiple rotating rods 210 forms a group of two, which are evenly arranged on one side of the outer surface of the left and right turntables 209, and one end of the rotating rod 210 is fixedly connected to one side of the outer surface of the turntable 209, and the other end of the rotating rod 210 is slidably connected to the inner wall of the slot plate 208 and the inner wall of the movable slot plate 211, so that when the movable slot plate 211 moves left and right, the rotating rod 210 drives the turntable 209 to rotate, thereby causing the slot plate 208 to move left and right, and one end of the slot plate 208 passes through one side of the outer surface of the device tube 206 and is fixedly connected to one side of the outer surface of the fixed insertion rod 207, so that when the slot plate 208 moves left and right, the fixed insertion rod 207 moves left and right;

[0042] The cross bar 212 is set in the connection box 205, and the left and right ends of the cross bar 212 are fixedly connected to the left and right sides of the inner wall of the connection box 205, and the cross bar 212 passes through the movable slot plate 211, so that the movable slot plate 211 is more stable when it moves left and right. One end of the movable slot plate 211 is provided with a device hole, and one end of the device hole contacts one side of the outer surface of the movable slot plate 211 and passes through one side of the outer surface of the movable slot plate 211 to the inside of the movable slot plate 211, and the left and right sides of the inner wall of the device hole are provided with upper and lower The upper and lower slide grooves are provided with one side of the outer surface in contact with one side of the inner wall of the device hole, and pass through one side of the inner wall of the device hole to the movable groove plate 211, and the fixing rod 213 is arranged in the device hole, and the left and right sides of the outer surface of the fixing rod 213 are provided with limit plates, and one side of the outer surface of the limit plate is fixedly connected to one side of the outer surface of the fixing rod 213, and the other side of the outer surface of the limit plate is slidably connected to the inner wall of the upper and lower slide grooves, so that the fixing rod 213 can move up and down, and is more stable, and will not be disconnected from the movable groove plate 211.

[0043] During use, the reactor device 2 is fixedly connected to the base 1, and then the long tube 3 is connected to the reactor device 2. The stirring rod 202 is placed in the bottom tank 201, and the production raw materials are placed in the bottom tank 201, and the sealing plate 204 is covered. Then, the movable groove plate 211 is moved left and right to fix the position of the sealing plate 204, and then the cover plate 5 is covered to seal the device tank 4, so that the device can be used normally.

[0044] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An amphoteric polyacrylamide production device, comprising a base (1), characterized in that: A reactor device (2) is provided on one side of the outer surface of the base (1), a long tube (3) is provided on one side of the outer surface of the reactor device (2), a device tank (4) is provided at one end of the long tube (3), a cover plate (5) is provided on one side of the outer surface of the device tank (4), a connecting seat (6) is provided on one side of the inner wall of the device tank (4), a limiting rod (7) is provided inside the connecting seat (6), a constant temperature plate (8) is provided inside the device tank (4), a support rod (9) is provided on one side of the outer surface of the constant temperature plate (8), a device box (10) is provided on one side of the inner wall of the device tank (4), a connecting pipe (11) is provided inside the device box (10), an auxiliary pipe (12) is provided on one side of the outer surface of the connecting pipe (11), an insert rod (13) is provided inside the auxiliary pipe (12), a movable rod (14) is provided on one side of the outer surface of the insert rod (13), and a threaded rod (15) is provided on one side of the outer surface of the movable rod (14).

2. The amphoteric polyacrylamide production equipment according to claim 1, characterized in that: There are two connecting seats (6), and the two connecting seats (6) are evenly arranged on the left and right sides of the inner wall of the device tank (4).

3. The amphoteric polyacrylamide production equipment according to claim 1, characterized in that: One side of the outer surface of the connecting seat (6) contacts one side of the inner wall of the device tank (4), penetrates one side of the inner wall of the device tank (4), reaches one side of the outer surface of the device tank (4), and is fixedly connected to the device tank (4).

4. The amphoteric polyacrylamide production equipment according to claim 1, characterized in that: The number of the device boxes (10) is two, and the two device boxes (10) are evenly arranged on the left and right sides of the inner wall of the device tank (4), and one side of the outer surface of the device box (10) contacts one side of the inner wall of the device tank (4), penetrates one side of the inner wall of the device tank (4), reaches one side of the outer surface of the device tank (4), and is fixedly connected to the device tank (4).

5. The amphoteric polyacrylamide production equipment according to claim 1, characterized in that: The number of the connecting pipes (11) is two, and the two connecting pipes (11) are evenly arranged in the device boxes (10) on the left and right sides, and one end of the connecting pipe (11) is fixedly connected to one side of the inner wall of the device box (10), and the other end contacts the other side of the inner wall of the device box (10), passes through one side of the inner wall of the device box (10), reaches one side of the outer surface of the device box (10), and is fixedly connected to the device box (10).

6. The amphoteric polyacrylamide reactor according to claim 1, characterized in that: The reactor device (2) comprises a bottom tank (201), a stirring rod (202) is provided inside the bottom tank (201), a connecting plate (203) is provided at one end of the stirring rod (202), a sealing plate (204) is provided on one side of the outer surface of the bottom tank (201), a connecting box (205) is provided on one side of the outer surface of the sealing plate (204), a device pipe (206) is provided inside the connecting box (205), a fixed plug rod (207) is provided inside the device pipe (206), and the fixed plug rod A groove plate (208) is provided on one side of the outer surface of (207), a turntable (209) is provided on one side of the outer surface of the groove plate (208), a rotating rod (210) is provided on one side of the outer surface of the turntable (209), a movable groove plate (211) is provided on one side of the outer surface of the turntable (209), a cross bar (212) is provided on one side of the outer surface of the movable groove plate (211), a fixing rod (213) is provided at one end of the movable groove plate (211), and a device plate (214) is provided on one side of the inner wall of the bottom tank (201).

7. The amphoteric polyacrylamide reactor according to claim 6, characterized in that: There are two connection boxes (205), and the two connection boxes (205) are evenly arranged on one side of the outer surface of the sealing plate (204), and one side of the outer surface of the connection box (205) contacts one side of the outer surface of the sealing plate (204), penetrates one side of the outer surface of the sealing plate (204), reaches the other side of the outer surface of the sealing plate (204), and is fixedly connected to the sealing plate (204).

8. The amphoteric polyacrylamide reactor according to claim 6, characterized in that: There are two device pipes (206), and the two device pipes (206) are evenly arranged in the left and right connection boxes (205). One end of the device pipe (206) is fixedly connected to one side of the inner wall of the connection box (205), and the other end contacts the other side of the inner wall of the connection box (205), passes through one side of the inner wall of the connection box (205), reaches one side of the outer surface of the connection box (205), and is fixedly connected to the connection box (205).