Toluene tower return tank for toluene production

Abstract

A disclosed toluene tower reflux tank for toluene production comprises a tank body, a liquid inlet pipe is installed at the top of the tank body, a liquid outlet pipe is installed at the bottom of the tank body, external pipes are installed at the positions, close to the upper end and the lower end, of the curved surface of the tank body, and an exhaust pipe is installed on one side of the top of the tank body; track rings are fixedly arranged on the surface, close to the upper end and the lower end, of the tank body in a sleeving manner, wheel plates are slidably mounted on the track rings, an adjusting seat is mounted on the lower surface of the upper wheel plate, and a control power supply is fixedly mounted on the surface of one side of the adjusting seat. According to the toluene tower return tank for toluene production, the climbing ladder capable of rotating around the tank body can be utilized, so that a worker can check and maintain different positions of the tank body after climbing the climbing ladder, and the distance between the climbing ladder and the tank body is adjustable, so that the safety of the worker is improved. Therefore, the climbing ladder can be prevented from being blocked by the blocked external pipe on the surface of the tank body when rotating around the tank body.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of toluene reflux tank, in particular to a toluene reflux tank for toluene production. BACKGROUND

[0002] The toluene reflux tank is an important equipment for the toluene tower related process in chemical production, and plays a key role in the chemical production process such as aromatic column rectification. It is mainly used for receiving the material after cooling of the overhead vapor of the toluene tower, and carrying out gas-liquid separation. The separated liquid is partly returned to the toluene tower as reflux liquid, and the other part is used as toluene product to enter the subsequent process. However, the toluene reflux tank has a certain height, and when the surface of the tank body needs to be inspected and maintained, it needs to be detected and maintained by means of a lifting vehicle. In order to inspect and maintain the whole tank body, the lifting vehicle operator needs to constantly adjust the position of the lifting vehicle, which is troublesome and requires multiple people to work together. If a climbing ladder is installed on the tank body, the fixed climbing ladder cannot enable the workers to inspect and maintain different positions of the tank body. SUMMARY

[0003] The main purpose of the present application is to provide a toluene reflux tank for toluene production, which can effectively solve the problems in the background art.

[0004] To achieve the above purpose, the technical scheme adopted by the present application is as follows:

[0005] A toluene reflux tank for toluene production, comprising a tank body, a liquid inlet pipe is installed on the top of the tank body, a liquid outlet pipe is installed on the bottom of the tank body, an external connection pipe is installed on the curved surface of the tank body and close to the upper end and the lower end, an exhaust pipe is installed on one side of the top of the tank body, a track ring is fixedly sleeved on the surface of the tank body and close to the upper end and the lower end, a right-angle wheel plate is slidably installed on the upper track ring, a U-shaped wheel plate is slidably installed on the lower track ring, an adjusting seat is installed on the lower surface of the upper wheel plate, a control power supply is fixedly installed on one side surface of the adjusting seat, a climbing ladder that can move forward and backward is installed on the lower surface of the adjusting seat, a baffle is fixedly installed on the front surface of both sides of the adjusting seat, a No. 1 fastener is embedded on the front surface of the baffle and close to the four corners, and an auxiliary ball is embedded in the inside of the track ring 6 and close to both sides of the right-angle wheel plate and the U-shaped wheel plate.

[0006] Further preferably, the front surface of the adjusting seat is provided with wheel grooves near both sides, the inner lower surface of the wheel grooves is provided with a through opening, the front surface of the adjusting seat is provided with a threaded groove corresponding to the position of the first fastener, the lower surface of the adjusting seat is provided with a moving groove in the middle, the upper surface of the rear end of the adjusting seat is provided with a groove in the middle, and a first motor is installed on the front surface of the adjusting seat in the middle.

[0007] Further preferably, the upper surface of the right-angle wheel plate and the U-shaped wheel plate is embedded with a second fastener near both sides, the upper surface of both sides of the right-angle wheel plate and the U-shaped wheel plate is provided with a bushing, and the upper surface of the right-angle wheel plate and the U-shaped wheel plate is provided with a guide hole on both sides of the bushing.

[0008] Further preferably, the surface of the auxiliary ball is movably sleeved with a fixed sleeve, the upper surface of the fixed sleeve is provided with a threaded fastening groove in the middle, and guide rods embedded in the guide holes are fixedly installed on both sides of the threaded fastening groove of the upper surface of the fixed sleeve.

[0009] Further preferably, a threaded sleeve block threadedly sleeved with the threaded rod is installed on the upper end surface of the climbing ladder in the middle rear, fixed blocks extending in the wheel grooves through the through opening are installed on both sides of the threaded sleeve block of the upper end surface of the climbing ladder, rotatable rollers are installed on the surfaces of both sides of the fixed blocks in the wheel grooves, reinforcing rods embedded in the U-shaped wheel plate are fixedly installed on both sides of the lower rear surface of the climbing ladder, and stop blocks preventing the reinforcing rods from being separated from the U-shaped wheel plate are installed on the rear surfaces of the reinforcing rods.

[0010] Further preferably, the surface of the tank body is provided with an annular tooth groove engaged with the gear below the upper track ring, the upper surface of the track ring is provided with an annular groove, and a through hole is formed in the inner lower surface of the annular groove.

[0011] Further preferably, the auxiliary ball is embedded in the annular groove, the lower end of the second fastener is embedded in the threaded fastening groove through the bushing, the rear end of the first fastener is embedded in the threaded groove through the baffle, and the baffle is fixed with the adjusting seat through the first fastener.

[0012] Further preferably, the first motor and the second motor are electrically connected with the control power supply through wires, the port of the external connecting pipe is provided with a plugging cover, and the plugging cover is fixed with the external connecting pipe through a bolt and a nut assembly.

[0013] Compared with the prior art, the present application provides a toluene return tank for toluene production, which has the following beneficial effects:

[0014] In the application, through the cooperation of the power supply, the adjusting seat and the climbing ladder, the power supply controls the forward and reverse operation of the first motor, the forward and reverse rotation of the threaded rod driven by the first motor, and the forward and backward movement of the threaded sleeve block on the threaded rod, when the threaded sleeve block moves forward, the climbing ladder can be driven away from the tank, when the climbing ladder moves to the maximum, the second motor is started by the power supply, the gear is rotated by the second motor, and the rotating gear cooperates with the annular gear slot, so that the adjusting seat drives the climbing ladder to rotate around the tank, and the climbing ladder is not blocked by the external pipe protruding from the surface of the tank, so that the climbing ladder can rotate around the whole tank, which is convenient for the operator to check and maintain different positions on the tank.

[0015] Through the cooperation of the right-angle wheel plate, the U-shaped wheel plate, the track ring and the auxiliary ball, the right-angle wheel plate is fixed with the adjusting seat, the lower end of the climbing ladder on the adjusting seat is connected with the U-shaped wheel plate, so that when the adjusting seat drives the climbing ladder to rotate around the tank, the auxiliary ball can make the right-angle wheel plate and the U-shaped wheel plate rotate around the track ring, so that the adjusting seat and the climbing ladder can rotate more stably and flexibly. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure diagram of the toluene reflux tank for toluene production of the application;

[0017] Figure 2 It is a local disassembly schematic diagram of the toluene reflux tank for toluene production of the application;

[0018] Figure 3 It is a local disassembly schematic diagram of the toluene reflux tank for toluene production of the application; Figure 1 It is an enlarged view of A in the middle;

[0019] Figure 4 It is a local sectional view of the adjusting seat of the toluene reflux tank for toluene production of the application;

[0020] Figure 5 It is a local sectional view of the disassembly schematic diagram of the right-angle wheel plate and the auxiliary ball of the toluene reflux tank for toluene production of the application;

[0021] Figure 6 It is a local disassembly schematic diagram of the toluene reflux tank for toluene production of the application; Figure 5 It is an enlarged view of B in the middle;

[0022] Figure 7 It is a structure diagram of the climbing ladder of the toluene reflux tank for toluene production of the application;

[0023] Figure 8The application discloses a toluene return tank for toluene production Figure 1 The enlarged view of C in the figure.

[0024] In the figure: 1, tank body; 101, annular tooth groove; 2, liquid inlet pipe; 3, liquid outlet pipe; 4, external connection pipe; 5, exhaust pipe; 6, track ring; 601, annular groove; 7, adjusting seat; 701, wheel groove; 702, through hole; 703, threaded groove; 704, moving groove; 705, recess; 706, No. 1 motor; 707, threaded rod; 708, No. 2 motor; 709, gear; 8, right-angle wheel plate; 801, No. 2 fastener; 802, insertion hole; 803, guide hole; 9, control power supply; 10, baffle; 11, No. 1 fastener; 12, climbing ladder; 1201, threaded sleeve block; 1202, fixed block; 1203, roller; 1204, reinforcing rod; 1205, stop block; 13, auxiliary ball; 1301, fixed sleeve; 1302, guide rod; 1303, threaded fastening groove; 14, U-shaped wheel plate. DETAILED DESCRIPTION

[0025] The application will be further described in detail below in combination with the drawings and specific embodiments.

[0026] It should be noted that all directional indications such as upper, lower, left, right, front, back, and the like used in the embodiments of the present application are only used to explain the relative position relationship, movement condition and the like between components in a certain specific posture, such as shown in the drawings, and if the specific posture changes, the directional indications also change accordingly.

[0027] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixing" and the like should be interpreted in a broad sense, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, unless otherwise explicitly limited. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0028] As Figures 1-8As shown, a toluene production toluene return tank, including tank body 1, the top of tank body 1 is installed with liquid inlet pipe 2, the bottom of tank body 1 is installed with liquid outlet pipe 3, the curved surface of tank body 1 and close to the upper end and the lower end is installed with external pipe 4, the top of tank body 1 is installed with exhaust pipe 5, the surface of tank body 1 and close to the upper end and the lower end is fixedly sleeved with track ring 6, the upper track ring 6 is slidably installed with right-angle wheel plate 8, the lower track ring 6 is slidably installed with U-shaped wheel plate 14, the lower surface of upper wheel plate 8 is installed with adjusting seat 7, the side surface of adjusting seat 7 is fixedly installed with control power supply 9, the lower surface of adjusting seat 7 is installed with climbing ladder 12 which can move forward and backward, the front surface of adjusting seat 7 is fixedly installed with baffle 10, the front surface of baffle 10 and close to the four corners is embedded with No. 1 fastener 11, the inside of track ring 6 and close to the two sides of right-angle wheel plate 8 and U-shaped wheel plate 14 is embedded with auxiliary ball 13.

[0029] In a preferred embodiment: the front surface of adjusting seat 7 and close to the two sides is opened with wheel groove 701, the inside lower surface of wheel groove 701 is opened with through port 702, the front surface of adjusting seat 7 is opened with screw groove 703 corresponding to the position of No. 1 fastener 11, the lower surface of adjusting seat 7 and in the middle is opened with moving groove 704, the rear end upper surface of adjusting seat 7 and in the middle is opened with recess 705, the front surface of adjusting seat 7 and in the middle is installed with No. 1 motor 706, the output end of No. 1 motor 706 is installed with screw rod 707 extending in moving groove 704, the rear end lower surface of adjusting seat 7 and in the middle is fixedly installed with No. 2 motor 708, the output end of No. 2 motor 708 extends in recess 705, the output end of No. 2 motor 708 is fixedly installed with gear 709.

[0030] In the above structure, the forward and reverse rotation of No. 1 motor 706 is controlled by control power supply 9, the forward and reverse rotation of screw rod 707 is driven by the forward and reverse rotation of No. 1 motor 706, the forward and backward movement of screw sleeve block 1201 threaded on screw rod 707 is caused by the forward and reverse rotation of screw rod 707, when screw sleeve block 1201 moves forward, climbing ladder 12 can be driven away from tank body 1, when climbing ladder 12 moves to the maximum limit, No. 2 motor 708 is started by control power supply 9, the rotation of gear 709 is controlled by No. 2 motor 708, the cooperation of rotating gear 709 and annular tooth groove 101 can make adjusting seat 7 drive climbing ladder 12 to rotate around tank body 1, and because climbing ladder 12 is farthest away from tank body 1, climbing ladder 12 will not be blocked by external pipe 4 protruding from the surface of tank body 1 when it rotates around tank body 1, because climbing ladder 12 can rotate around the whole tank body 1, it is convenient for workers to check and maintain different positions on tank body 1.

[0031] In a preferred implementation: the upper surface of the right-angled wheel plate 8 and the U-shaped wheel plate 14 and close to the two sides are embedded with the second fastener 801, the upper surface of the two sides of the right-angled wheel plate 8 and the U-shaped wheel plate 14 are provided with the insertion hole 802, and the upper surface of the right-angled wheel plate 8 and the U-shaped wheel plate 14 and located on both sides of the insertion hole 802 are provided with the guide hole 803.

[0032] In a preferred implementation: the surface of the auxiliary ball 13 is movably sleeved with the fixed sleeve 1301, the upper surface of the fixed sleeve 1301 and located in the middle is provided with the threaded fastening groove 1303, and the upper surface of the fixed sleeve 1301 and located on both sides of the threaded fastening groove 1303 is fixedly installed with the guide rod 1302 embedded in the guide hole 803.

[0033] In the above structure, since the guide rod 1302 of the auxiliary ball 13 is embedded in the guide hole 803, when the auxiliary ball 13 is fixed on the right-angled wheel plate 8 and the U-shaped wheel plate 14 through the second fastener 801, the fixed sleeve 1301 will not rotate in the rolling process of the auxiliary ball 13, so that the auxiliary ball 13 is always in a connected state with the right-angled wheel plate 8 and the U-shaped wheel plate 14.

[0034] In a preferred implementation: the upper end surface of the climbing ladder 12 and located in the middle rear is installed with the threaded sleeve block 1201 threadedly sleeved with the threaded rod 707, the upper end surface of the climbing ladder 12 and located on both sides of the threaded sleeve block 1201 is installed with the fixed block 1202 extending in the wheel groove 701 through the through port 702, the surface of both sides of the fixed block 1202 located inside the wheel groove 701 is installed with the roller 1203 which can rotate, the lower end rear surface of the climbing ladder 12 and located on both sides is fixedly installed with the reinforcing rod 1204 embedded in the U-shaped wheel plate 14, and the rear surface of the reinforcing rod 1204 is installed with the stop block 1205 preventing the reinforcing rod 1204 from being separated from the U-shaped wheel plate 14.

[0035] In the above structure, since the roller 1203 is installed on the fixed block 1202 inside the wheel groove 701, when the threaded sleeve block 1201 moves on the threaded rod 707, the roller 1203 contacts with the wheel groove 701, so that the roller 1203 moves with the threaded sleeve block 1201, and the climbing ladder 12 moves when the threaded sleeve block 1201 moves, so that the roller 1203 of the fixed block 1202 on the climbing ladder 12 can be used to assist the flexible movement of the climbing ladder 12 on the adjusting seat 7, the lower end of the climbing ladder 12 is connected with the U-shaped wheel plate 14 through the reinforcing rod 1204, and the upper end of the climbing ladder 12 is connected with the adjusting seat 7 through the threaded sleeve block 1201 and the roller 1203, so that the upper end and the lower end of the climbing ladder 12 can maintain a horizontal moving state when the climbing ladder 12 moves.

[0036] In a preferred implementation: the surface of the tank body 1 and below the upper track ring 6 is provided with an annular tooth groove 101 engaged with the gear 709, the upper surface of the track ring 6 is provided with an annular groove 601, and the inner lower surface of the annular groove 601 is provided with a through hole.

[0037] In the above structure, the gear 709 is engaged with the annular tooth groove 101, so when the second motor 708 drives the gear 709 to rotate, since the second motor 708 is fixed on the adjusting seat 7, the adjusting seat 7 can rotate around the tank body 1, which can drive the climbing ladder 12 installed on the adjusting seat 7 to rotate around the tank body 1, so that the staff can check and maintain the surface of the tank body 1 at different positions after climbing onto the climbing ladder 12, and the through hole can discharge the rainwater in the annular groove 601.

[0038] In a preferred implementation: the auxiliary ball 13 is embedded in the annular groove 601, the lower end of the second fastener 801 is embedded in the threaded fastening groove 1303 through the insertion hole 802, and the rear end of the first fastener 11 is embedded in the threaded groove 703 through the baffle 10. The baffle 10 is fixed with the adjusting seat 7 through the first fastener 11.

[0039] In the above structure, the auxiliary ball 13 is embedded in the annular groove 601, so the movement track of the auxiliary ball 13 is annular, and the baffle 10 is installed in front of the adjusting seat 7, so the baffle 7 can shield the wheel groove 701, which can prevent the roller 1203 from falling out of the wheel groove 701.

[0040] In a preferred implementation: the first motor 706 and the second motor 708 are electrically connected with the control power supply 9 through wires, and the port of the external pipe 4 is provided with a plugging cover, and the plugging cover is fixed with the external pipe 4 through a bolt and nut assembly.

[0041] In the above structure, the control power supply 9 controls the forward and reverse operation of the first motor 706, the forward and reverse operation of the first motor 706 drives the threaded rod 707 to rotate forward and backward, and the forward and backward rotation of the threaded rod 707 makes the threaded sleeve block 1201 threaded on it move forward and backward on the threaded rod 707. When the control power supply 9 controls the forward and reverse operation of the second motor 708, the second motor 708 can control the gear 709 to rotate forward and backward, so that the adjusting seat 7 can rotate around the tank body 1 in clockwise and counterclockwise directions.

[0042] The application is used, the first motor 706 is controlled to rotate forward and backward by the power supply 9, the first motor 706 drives the threaded rod 707 to rotate forward and backward, the threaded rod 707 drives the threaded sleeve block 1201 to move forward and backward on the threaded rod 707, when the threaded sleeve block 1201 moves forward, the climbing ladder 12 can be driven to move away from the tank 1, when the climbing ladder 12 moves to the maximum, the second motor 708 is started by the power supply 9, the second motor 708 controls the gear 709 to rotate, the rotating gear 709 cooperates with the annular tooth groove 101, the adjusting seat 7 drives the climbing ladder 12 to rotate around the tank 1, and the climbing ladder 12 is not blocked by the external pipe 4 protruding from the surface of the tank 1 when rotating around the tank 1, because the climbing ladder 12 can rotate around the whole tank 1, so it is convenient for the operator to check and maintain different positions on the tank 1, when the climbing ladder 12 is not used, the climbing ladder 12 can be placed close to the tank 1 by the control of the first motor 706, when the blocking cover of the external pipe 4 is disassembled, the detection equipment can be placed in the tank 1 to detect, or the inside of the tank 1 can be checked by the external pipe 4.

[0043] The basic principle, main features and advantages of the application are shown and described above. It should be understood by those skilled in the art that the application is not limited by the above examples, the above examples and descriptions in the specification are only to illustrate the principle of the application, various changes and improvements can be made without departing from the spirit and scope of the application, and these changes and improvements all fall within the scope of the claimed application. The scope of protection of the application is defined by the appended claims and their equivalents.

Claims

1. A toluene column reflux tank for toluene production, characterized by: The utility model provides a kind of liquid tank, including tank body (1), the top of the tank body (1) is equipped with liquid inlet pipe (2), the bottom of the tank body (1) is equipped with liquid outlet pipe (3), the curved surface of the tank body (1) and close to upper end and lower end are equipped with external connection pipe (4), the top of the tank body (1) is equipped with exhaust pipe (5) one side, the surface of the tank body (1) and close to upper end and lower end are fixedly equipped with track ring (6), the upper track ring (6) is slidably equipped with right-angle wheel plate (8), the lower track ring (6) is slidably equipped with U-shaped wheel plate (14), the lower surface of the upper wheel plate (8) is equipped with adjusting seat (7), the side surface of the adjusting seat (7) is fixedly equipped with control power supply (9), the lower surface of the adjusting seat (7) is equipped with the climbing ladder (12) that can move forwards and backwards, the front surface of the adjusting seat (7) is fixedly equipped with baffle (10) both sides, the front surface of the baffle (10) and close to four corners are embedded with a fastener (11), the inside of the track ring 6 and close to right-angle wheel plate (8) and U-shaped wheel plate (14) both sides are embedded with auxiliary ball (13).

2. The toluene return tank for toluene production according to claim 1, characterized in that: The front surface of the adjusting seat (7) and close to both sides is equipped with wheel groove (701), the inside lower surface of the wheel groove (701) is equipped with through hole (702), the front surface of the adjusting seat (7) is equipped with the screw groove (703) corresponding with the position of a fastener (11), the lower surface of the adjusting seat (7) and in the middle is equipped with moving groove (704), the upper end of the adjusting seat (7) and in the middle is equipped with recess (705), the front surface of the adjusting seat (7) and in the middle is equipped with a motor (706), the output end of the motor (706) is equipped with threaded rod (707) extending in moving groove (704), the lower surface of the rear end of the adjusting seat (7) and in the middle is fixedly equipped with the second motor (708), the output end of the second motor (708) extends in recess (705), the output end of the second motor (708) is fixedly equipped with gear (709).

3. The toluene return tank for toluene production according to claim 2, characterized in that: The upper surface of the right-angle wheel plate (8) and U-shaped wheel plate (14) and close to both sides is embedded with a fastener (801), the upper surface of the right-angle wheel plate (8) and U-shaped wheel plate (14) both sides is equipped with jack (802), the upper surface of the right-angle wheel plate (8) and U-shaped wheel plate (14) and in the both sides of jack (802) is equipped with guide hole (803).

4. The toluene return tank for toluene production according to claim 3, characterized in that: The surface of the auxiliary ball (13) is movably equipped with fixed sleeve (1301), the upper surface of the fixed sleeve (1301) and in the middle is equipped with screw fastening groove (1303), the upper surface of the fixed sleeve (1301) and in the both sides of screw fastening groove (1303) is fixedly equipped with guide rod (1302) embedded in guide hole (803).

5. The toluene return tank for toluene production according to claim 4, characterized in that: The upper end surface of the climbing ladder (12) and the middle rear are provided with a threaded sleeve block (1201) which is screwed with a threaded rod (707), the upper end surface of the climbing ladder (12) and the two sides of the threaded sleeve block (1201) are provided with a fixed block (1202) which extends in the wheel groove (701) through the through hole (702), the two side surfaces of the fixed block (1202) inside the wheel groove (701) are provided with a rotatable roller (1203), the lower end rear surface of the climbing ladder (12) and the two sides are fixedly provided with a reinforcing rod (1204) which is embedded in the U-shaped wheel plate (14), the rear surface of the reinforcing rod (1204) is provided with a stop block (1205) which prevents the reinforcing rod (1204) from being separated from the U-shaped wheel plate (14).

6. The toluene return tank for toluene production according to claim 5, characterized in that: The surface of the tank body (1) and below the upper track ring (6) is provided with an annular tooth groove (101) which is engaged with a gear (709), the upper surface of the track ring (6) is provided with an annular groove (601), the inner lower surface of the annular groove (601) is provided with a through hole.

7. The toluene return tank for toluene production according to claim 6, characterized in that: The auxiliary ball (13) is embedded in the annular groove (601), the lower end of the second fastener (801) is embedded in the threaded fastening groove (1303) through the insertion hole (802), the rear end of the first fastener (11) is embedded in the threaded groove (703) through the baffle (10), and the baffle (10) is fixed with the adjusting seat (7) through the first fastener (11).

8. The toluene return tank for toluene production according to claim 7, characterized in that: The first motor (706) and the second motor (708) are electrically connected with the control power supply (9) through wires, the port of the external pipe (4) is provided with a plugging cover, and the plugging cover is fixed with the external pipe (4) through a bolt and nut assembly.

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