Unipol polyethylene process tail gas recovery system

Abstract

The invention provides a Unipol polyethylene process tail gas recovery system, which belongs to the technical field of tail gas recovery, and comprises a fan, a gas inlet channel, a stripping unit, a movable unit, a turning unit, a gas inlet amount control unit, a movable impurity removal unit, a discharge channel A, an outer barrel, a liquid adding channel and a turning box, the upper end of the stripping unit is provided with a gas inlet channel, the movable unit and the turning unit are connected and located in the turning box, the liquid adding channel is arranged at the upper end of the outer barrel and downwards communicated with the turning box, an absorbent is added into the turning box through the liquid adding channel, and the movable impurity removing unit is arranged at the upper end of the gas inlet amount control unit. The discharge channel A is arranged at the upper end of the movable impurity removal unit, and the outer barrel is arranged on the outer side of the equipment. The problems that an existing Unipol polyethylene process tail gas recovery system cannot convey tail gas into the Unipol polyethylene process tail gas recovery system in a balanced mode to be treated in the operation period, a large amount of inrush tail gas easily causes insufficient tail gas treatment, then tail gas emission does not reach the standard, and the surrounding environment is polluted are solved.

Description

Technical Field

[0001] The invention belongs to the technical field of tail gas recovery, and in particular relates to a Unipol polyethylene process tail gas recovery system. Background Art

[0002] Tail gas recovery refers to the process of recovering harmful gases before discharging them to reduce pollution to the environment. However, harmful gases are produced during the processing of polyethylene, which cannot be discharged directly and need to be recovered and treated before being discharged. Therefore, the Unipol polyethylene process tail gas recovery system is required.

[0003] The existing Unipol polyethylene process tail gas recovery system is unable to evenly transport tail gas to its internal system for treatment during operation. The large influx of tail gas easily leads to insufficient tail gas treatment, which in turn causes tail gas emissions to fail to meet standards and pollute the surrounding environment. Summary of the Invention

[0004] The present invention provides a Unipol polyethylene process tail gas recovery system, which aims to solve the problem that the existing Unipol polyethylene process tail gas recovery system cannot evenly transport the tail gas to the interior for treatment during operation. The large amount of tail gas flowing in easily leads to insufficient tail gas treatment, which in turn causes the tail gas emissions to fail to meet the standards and pollute the surrounding environment.

[0005] An embodiment of the present invention provides a Unipol polyethylene process tail gas recovery system, which includes a fan, an air inlet channel, a stripping unit, a movable unit, a flipping unit, an air inlet volume control unit, a movable impurity removal unit, a discharge channel A, an outer barrel, a liquid adding channel and a flipping box; the air inlet channel is arranged at the upper end of the stripping unit, and the other side of the air inlet channel is connected to the fan; the movable channel at the lower end of the stripping unit is connected to the movable unit, and the movable unit is connected to the flipping unit and is located in the flipping box; the liquid adding channel is arranged at the upper end of the outer barrel and is connected to the flipping box downward; the air inlet volume control unit is arranged at the upper end of the flipping box, and absorbent is added to the flipping box through the liquid adding channel; the movable impurity removal unit is arranged at the upper end of the air inlet volume control unit; the discharge channel A is arranged at the upper end of the movable impurity removal unit; and the outer barrel is arranged on the outside of the equipment.

[0006] Furthermore, the movable unit includes a motor B, a rotating disk A, a fan-shaped rotating block A, a rotating disk B, a fan-shaped rotating block B, a linkage plate, a track, a motor C, a movable seat, a rotating rod B, a rotating disk C, a rotating disk D, a barrier plate and a variable platform; the motor B is mounted on the outer wall of the flip box, the motor B is connected to the rotating disk A, the rotating disk A and the rotating disk B are both provided with teeth on their outer circumferences and engage with each other through the teeth, the fan-shaped rotating block A is mounted on the rotating disk A, and the fan-shaped rotating block is mounted on the rotating disk B B, the arc surface of the fan-shaped rotating block A and the fan-shaped rotating block B are both reserved with teeth, a linkage piece is installed at the bottom of a pair of fan-shaped rotating blocks, and a tooth is reserved on one wall of the linkage piece. The linkage piece can be movably installed in the track, the linkage piece is connected to one side of the movable seat, and the other side of the movable seat is connected to the variable table, and the variable table can be movably installed in another track. The back of the movable seat is fixedly connected to the motor C, and the output end of the motor C is fixedly connected to the rotating rod B, which passes through the movable seat, and the rotating disk C is installed on the rotating rod. On rod B, a rotating disk D is installed at the lower end of the rotating disk C. Threaded grooves are reserved on the outer circumferences of rotating disks C and D, and they bite each other through the threads. Rotating disk D is installed in the movable seat, and a blocking piece is installed in the middle of rotating disk D. The blocking piece contacts the surface of the movable channel; motor B pulls rotating disk A to rotate, rotating disk A and rotating disk B bite, pulling rotating disk A and rotating disk B on fan-shaped rotating block A to rotate, fan-shaped rotating block B to rotate, fan-shaped rotating block A and fan-shaped rotating block B are located at two ends. In each direction, a pair of fan-shaped rotating blocks pull the linkage piece to move back and forth along the track, the linkage piece pulls the movable seat to move back and forth, the motor C pulls the rotating rod B to rotate, the rotating rod B pulls the rotating disk C to rotate, the rotating disk C and the rotating disk D engage, the rotating disk D pulls the barrier piece to rotate, the back and forth movement of the movable seat and the rotation of the rotating disk D move together, the barrier piece coils and moves on the surface of the movable channel, allowing the movable channel to evenly transport the transported exhaust gas into the absorbent, thereby enhancing the absorbent's exhaust gas treatment function.

[0007] Furthermore, the flipping unit includes a rotating seat, an elastic member A, an elastic member B, an elastic member C, a flip plate A, a constraint port B, a flip plate B, a stop column and a connecting column; the rotating seat is connected to the rotating rod B, and stop columns are installed at the four ends of the rotating seat. The other side of the stop column is movably connected to the constraint port B, and the constraint port B is in a ring shape. The connecting column and the flip plate B are installed on the stop column, and the flip plate A is installed on the connecting column. The elastic member A is installed between the rotating seat and the connecting column, the elastic member B is installed between the connecting column and the flip plate A, and the elastic member C is installed between the connecting column and the flip plate B; the motor C pulls the rotating seat to rotate through the rotating rod B, and the back and forth movement of the movable seat and the rotation of the rotating seat act together to pull the flip unit to change. The elastic members installed on the stop column and the connecting column are used to slow down the movement of the flip plate A and the flip plate B, so that the flip plate A and the flip plate B perform turbulence.

[0008] Furthermore, the stripping unit includes a motor A, a rotating rod A, a bracket, a sealing plate, a connecting ring, a support, a decontamination strip, a stripping piece, a restraining port A, a stripping cylinder, a sealing shell, a discharge channel B, a collecting port, an umbrella plate A, an umbrella plate B and a movable channel; the motor A is mounted on the upper end of the bracket, the bracket is fixedly connected to the upper end of the sealing plate, the output end of the motor A is fixedly connected to the rotating rod A, the rotating rod A passes through the stripping cylinder, a connecting ring is mounted on the rotating rod A, two pairs of supports are mounted around the connecting ring via a shaft, a decontamination strip is mounted on the support via a shaft, a layer of nylon thread is mounted on the decontamination strip, the nylon thread on the decontamination strip is in contact with the stripping piece, the bottom of the decontamination strip is mounted in the restraining port A, and the restraining port A is reserved in the stripping cylinder, A collecting port is left below the stripping piece, which is funnel-shaped and has several stripping ports reserved on the wall. A discharge channel B is arranged below the collecting port, and one side of the discharge channel B is sealed and connected to the movable channel. An umbrella disc A is arranged at the bottom of the rotating rod A, and an umbrella disc B is arranged on the decontamination strip. Teeth are reserved on the outer circumferences of the umbrella discs A and B and they engage with each other through the teeth; the motor A pulls the rotating rod A to rotate, and the rotating rod A pulls the connecting ring to rotate, and the connecting ring pulls the two pairs of decontamination strips to rotate through the support to remove debris on the outer wall of the stripping piece, and the detached waste falls into the collecting port, the rotating rod A pulls the umbrella disc A to rotate, the umbrella disc A pulls the umbrella disc B to rotate, and the umbrella disc B pulls the movable channel to rotate, and the movable channel is in the flip box.

[0009] Furthermore, the air intake control unit includes a connecting channel, a movable disc, a rotating rod C and a motor D; the motor D is installed on one side of the connecting channel, the output end of the motor D is fixedly connected to the rotating rod C, the rotating rod C is fixedly connected to the movable disc, the rotating rod C and the movable disc are installed in the connecting channel, and the centers of the movable disc and the connecting channel are collinear; the motor D pulls the movable disc to rotate through the rotating rod C, and can control the emission of the air unit within a certain period of time as needed.

[0010] Furthermore, the movable impurity removal unit includes a motor E, a chain, a rotating rod D, a rotating disk E, a rotating disk F, a connecting platform, a rotating plate, a porous carbon block and a cylinder; the motor E is fixedly connected to the outer barrel, the output end of the motor E is fixedly connected to the rotating rod D, the lower end of the rotating rod D is fixedly connected to the rotating disk E, the rotating disk F is mounted on the cylinder, the outer circumferences of the rotating disk E and the rotating disk F are reserved with teeth and engage with each other through the teeth, a connecting platform is installed at the bottom end of the cylinder, sprockets are installed on the columns on the rotating rod D and the rotating plate, a pair of sprockets are connected by a chain, and porous carbon blocks are installed on both vertical sides of the rotating plate; the motor E pulls the chain and the rotating disk E to move through the rotating rod D, the chain pulls the rotating plate to rotate, and the rotating disk E engages with the rotating disk F to pull the cylinder to rotate.

[0011] The beneficial effects of the present invention are:

[0012] In the present invention, when the tail gas is transported to the stripping unit through the air inlet channel, the tail gas passes through the stripping sheet downward, the motor A pulls the rotating rod A to rotate, the rotating rod A pulls the connecting ring to rotate, the connecting ring pulls the two pairs of decontamination strips to rotate through the support, and the debris on the outer wall of the stripping sheet is removed. The separated waste falls into the collection port, the rotating rod A pulls the umbrella plate A to rotate, the umbrella plate A pulls the umbrella plate B to rotate, and the umbrella plate B pulls the movable channel to rotate, and the absorbent is added to the flip box from the liquid adding channel. The movable channel can evenly transport the tail gas after the waste is stripped to the absorbent. The motor B on the movable unit pulls the rotating disk A to rotate, and the rotating disk A and the rotating disk B engage, pulling the fan-shaped rotating block A on the rotating disk A and the rotating disk B to rotate, and the fan-shaped rotating block B rotates. The fan-shaped rotating block A and the fan-shaped rotating block B are in two positions. A pair of fan-shaped rotating blocks pull the linkage piece to move back and forth along the track, and the linkage piece pulls the movable seat to move back and forth. The motor C pulls the rotating rod B to rotate, and the rotating rod B pulls the rotating disk C to rotate. The rotating disk C and the rotating disk D engage, and the rotating disk D pulls the barrier piece to rotate, and the movable seat The back-and-forth movement and the rotation of the rotating disk D act together, and the barrier plate coils and moves on the surface of the movable channel. The barrier plate can evenly distribute the exhaust gas transported in the movable channel into the absorbent. The motor C pulls the rotating seat to rotate through the rotating rod B. The back-and-forth movement of the movable seat and the rotation of the rotating seat act together to pull the flip unit to move. The elastic parts installed on the stop column and the connecting column are used to slow down the movement of the flip plate A and the flip plate B, so that the turbulence is performed between the flip plate A and the flip plate B, and the flip function is enhanced; the motor D on the intake control unit The movable disc is rotated by the rotating rod C, and the size of the opening of the movable disc is controlled as needed, thereby changing the duration of the action between the exhaust gas and the absorbent to control the emission volume within the air unit time; the motor E on the movable impurity removal unit pulls the chain and the rotating disc E through the rotating rod D, the chain pulls the rotating piece to rotate, and the rotating disc E engages with the rotating disc F to pull the cylinder to rotate, so that the exhaust gas transported to the movable impurity removal unit can fully contact the porous carbon block, thereby enhancing the stripping and deodorization effects; the treated exhaust gas is finally transported away through the emission channel A.

[0013] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained through the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 A schematic diagram of the three-dimensional structure of an embodiment of the present invention;

[0016] Figure 2This is a schematic diagram of the internal structure of the outer barrel according to an embodiment of the present invention;

[0017] Figure 3 This is a schematic diagram of the assembly structure of the movable unit and the flip unit according to an embodiment of the present invention;

[0018] Figure 4 Schematic diagram of the peeling unit structure of an embodiment of the present invention Figure 1 ;

[0019] Figure 5 Schematic diagram of the peeling unit structure of an embodiment of the present invention Figure 2 ;

[0020] Figure 6 Schematic diagram of the active unit structure of an embodiment of the present invention Figure 1 ;

[0021] Figure 7 Schematic diagram of the active unit structure of an embodiment of the present invention Figure 2 ;

[0022] Figure 8 A schematic structural diagram of a flip unit according to an embodiment of the present invention;

[0023] Figure 9 This is a schematic diagram of the disassembled structure of a flip unit according to an embodiment of the present invention;

[0024] Figure 10 This is a schematic diagram of the assembly structure of the motor C and the movable seat according to an embodiment of the present invention;

[0025] Figure 11 This is a schematic structural diagram of an air intake control unit according to an embodiment of the present invention;

[0026] Figure 12 Schematic diagram of the structure of the active impurity removal unit according to an embodiment of the present invention Figure 1 ;

[0027] Figure 13 Schematic diagram of the structure of the active impurity removal unit according to an embodiment of the present invention Figure 2 ;

[0028] Figure numerals: 1, fan; 2, air inlet channel; 3, stripping unit; 4, movable unit; 5, flipping unit; 6, air inlet control unit; 7, movable impurity removal unit; 8, discharge channel A; 9, outer barrel; 10, liquid adding channel; 11, flipping box; 21, motor A; 22, rotating rod A; 23, bracket; 24, blocking plate; 25, connecting ring; 26, support; 27, decontamination strip; 28, stripping sheet; 29, restraining port A; 210, stripping cylinder; 211, blocking shell; 212, discharge channel B; 213, collecting port; 214, umbrella plate A; 215, umbrella plate B; 216, movable channel; 31, motor B; 32, rotating disk A; 33, fan-shaped rotating block A; 34, rotating disk B; 35 , fan-shaped rotating block B; 36. linkage plate; 37. track; 38. motor C; 39. movable seat; 310. rotating rod B; 311. rotating disk C; 312. rotating disk D; 313. barrier plate; 314. variable platform; 41. rotating seat; 42. elastic member A; 43. elastic member B; 44. elastic member C; 45. flip plate A; 46. restraint port B; 47. flip plate B; 48. stop column; 49. connecting column; 51. connecting channel; 52. movable disk; 53. rotating rod C; 54. motor D; 61. motor E; 62. chain; 63. rotating rod D; 64. rotating disk E; 65. rotating disk F; 66. connecting platform; 67. rotating plate; 68. porous carbon block; 69. cylinder. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of specific embodiments of the present invention. The same figure marks in the drawings represent the same components. It should be noted that the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Reference Figures 1-13The embodiment of the present invention proposes a Unipol polyethylene process tail gas recovery system, which includes a fan 1, an air inlet channel 2, a stripping unit 3, a movable unit 4, a flipping unit 5, an air inlet control unit 6, an movable impurity removal unit 7, a discharge channel A8, an outer barrel 9, a liquid adding channel 10 and a flip box 11; the air inlet channel 2 is arranged at the upper end of the stripping unit 3, and the other side of the air inlet channel 2 is connected to the fan 1, the movable channel 216 at the lower end of the stripping unit 3 is connected to the movable unit 4, and the movable unit 4 is connected to the flipping unit 5 and is located in the flip box 11, the liquid adding channel 10 is arranged at the upper end of the outer barrel 9 and is connected to the flip box 11 downward, the air inlet control unit 6 is arranged at the upper end of the flip box 11, and the absorbent is added to the flip box 11 through the liquid adding channel 10, the movable impurity removal unit 7 is arranged at the upper end of the air inlet control unit 6, the discharge channel A8 is arranged at the upper end of the movable impurity removal unit 7, and the outer barrel 9 is arranged on the outside of the equipment.

[0031] Reference Figure 4 and Figure 5 The stripping unit 3 includes a motor A21, a rotating rod A22, a bracket 23, a blocking plate 24, a connecting ring 25, a support 26, a decontamination strip 27, a stripping sheet 28, a restraining port A29, a stripping cylinder 210, a blocking shell 211, a discharge channel B212, a collecting port 213, an umbrella plate A214, an umbrella plate B215 and a movable channel 216; the motor A21 is installed at the upper end of the bracket 23, the bracket 23 is fixed to the upper end of the blocking plate 24, and the motor A21 The output end is fixedly connected to a rotating rod A22, which passes through the stripping cylinder 210. A connecting ring 25 is installed on the rotating rod A22. Two pairs of supports 26 are installed around the connecting ring 25 via a shaft. A decontamination strip 27 is installed on the support 26 via a shaft. A layer of nylon thread is installed on the decontamination strip 27. The nylon thread on the decontamination strip 27 contacts the stripping piece 28. The bottom of the decontamination strip 27 is installed in the restraint port A29, which is reserved in the stripping cylinder 210. A collecting opening 213 is provided below the peeling sheet 28. The peeling sheet 28 is funnel-shaped and has a plurality of peeling openings reserved on its wall. A discharge channel B212 is provided below the collecting opening 213. The discharge channel B212 is sealed and screwed to the movable channel 216. An umbrella plate A214 is provided at the bottom of the rotating rod A22. An umbrella plate B215 is provided on the decontamination strip 27. The outer circumferences of the umbrella plates A214 and B215 are provided with teeth, and the umbrella plates engage with each other through the teeth. The motor A21 pulls the rotating rod A22 to rotate, the rotating rod A22 pulls the connecting ring 25 to rotate, the connecting ring 25 pulls the two pairs of decontamination strips 27 to rotate through the support 26, clearing the debris on the outer wall of the peeling piece 28, and the detached waste falls into the collection port 213, the rotating rod A22 pulls the umbrella plate A214 to rotate, the umbrella plate A214 pulls the umbrella plate B215 to rotate, the umbrella plate B215 pulls the movable channel 216 to rotate, and the movable channel 216 is in the flip box 11.

[0032] Reference Figure 2 、 Figure 3 、 Figure 6 、 Figure 7 and Figure 10 The movable unit 4 includes a motor B31, a rotating disk A32, a fan-shaped rotating block A33, a rotating disk B34, a fan-shaped rotating block B35, a linkage piece 36, a track 37, a motor C38, a movable seat 39, a rotating rod B310, a rotating disk C311, a rotating disk D312, a blocking piece 313 and a variable platform 314; the motor B31 is mounted on the outer wall of the flip box 11, the motor B31 is connected to the rotating disk A32, and the outer circumferences of the rotating disk A32 and the rotating disk B34 are both reserved with teeth and engage with each other through the teeth, the rotating disk A32 is mounted with a fan-shaped rotating block A33, and the rotating disk B34 is mounted with a fan-shaped rotating block A35. 34 is provided with a fan-shaped rotating block B35, and the arc surfaces of the fan-shaped rotating block A33 and the fan-shaped rotating block B35 are both reserved with teeth. A linkage piece 36 is provided at the bottom of a pair of fan-shaped rotating blocks, and a tooth is reserved on one wall surface of the linkage piece 36. The linkage piece 36 can be movably installed in the track 37. The linkage piece 36 is connected to one side of the movable seat 39, and the other side of the movable seat 39 is connected to the variable platform 314. The variable platform 314 can be movably installed in another track 37. The back of the movable seat 39 is fixedly connected to the motor C38. The output end of the motor C38 is fixedly connected to the rotating rod B310. The rotating rod B310 passes through The movable seat 39 has a rotating disk C311 mounted on the rotating rod B310. A rotating disk D312 is mounted at the lower end of the rotating disk C311. The outer circumferences of the rotating disks C311 and D312 are both provided with teeth and engage with each other through the teeth. The rotating disk D312 is mounted within the movable seat 39. A blocking piece 313 is mounted in the center of the rotating disk D312. The blocking piece 313 contacts the surface of the movable channel 216. The motor B31 pulls the rotating disk A32 to rotate. The rotating disk A32 engages with the rotating disk B34, pulling the fan-shaped rotating block A33 on the rotating disk A32 and the rotating disk B34 to rotate. , the fan-shaped rotating block B35 rotates, the fan-shaped rotating block A33 and the fan-shaped rotating block B35 are in two positions, a pair of fan-shaped rotating blocks pull the linkage piece 36 to move back and forth along the track 37, the linkage piece 36 pulls the movable seat 39 to move back and forth, the motor C38 pulls the rotating rod B310 to rotate, the rotating rod B310 pulls the rotating disk C311 to rotate, the rotating disk C311 and the rotating disk D312 engage, the rotating disk D312 pulls the blocking piece 313 to rotate, the back and forth movement of the movable seat 39 and the rotation of the rotating disk D312 act together, and the blocking piece 313 coils and moves on the surface of the movable channel 216.

[0033] Reference Figure 3 、 Figure 8 and Figure 9The flip unit 5 includes a rotating seat 41, an elastic member A42, an elastic member B43, an elastic member C44, a flip plate A45, a restraining port B46, a flip plate B47, a stop column 48 and a connecting column 49; the rotating seat 41 is connected to the rotating rod B310, and the four ends of the rotating seat 41 are provided with stop columns 48, and the other side of the stop column 48 is movably connected to the restraining port B46, and the restraining port B46 is ring-shaped. The connecting column 49 and the flip plate B47 are installed on the stop column 48, and the flip plate is installed on the connecting column 49. A45, an elastic part A42 is installed between the rotating seat 41 and the connecting column 49, an elastic part B43 is installed between the connecting column 49 and the flip plate A45, and an elastic part C44 is installed between the connecting column 49 and the flip plate B47; the motor C38 pulls the rotating seat 41 to rotate through the rotating rod B310, and the back and forth movement of the movable seat 39 and the rotation of the rotating seat 41 act together to pull the flip unit 5 to change, and the elastic parts installed on the stop column 48 and the connecting column 49 are used to slow down the movement of the flip plate A45 and the flip plate B47.

[0034] Reference Figure 2 and Figure 11 The air intake control unit 6 includes a connecting channel 51, a movable disc 52, a rotating rod C53 and a motor D54; the motor D54 is installed on one side of the connecting channel 51, and the output end of the motor D54 is fixedly connected to the rotating rod C53, and the rotating rod C53 is fixedly connected to the movable disc 52. The rotating rod C53 and the movable disc 52 are installed in the connecting channel 51, and the centers of the movable disc 52 and the connecting channel 51 are collinear; the motor D54 pulls the movable disc 52 to rotate through the rotating rod C53, and can control the discharge volume of the air unit within a certain time as needed.

[0035] Reference Figure 2 、 Figure 12 and Figure 13 The movable impurity removal unit 7 includes a motor E61, a chain 62, a rotating rod D63, a rotating disk E64, a rotating disk F65, a connecting platform 66, a rotating sheet 67, a porous carbon block 68 and a cylinder 69; the motor E61 is fixedly connected to the outer barrel 9, the output end of the motor E61 is fixedly connected to the rotating rod D63, the lower end of the rotating rod D63 is fixedly connected to the rotating disk E64, the rotating disk F65 is installed on the cylinder 69, and a space is reserved on the outer circumference of the rotating disk E64 and the rotating disk F65. The two wheels are engaged with each other through the teeth, and a connecting platform 66 is installed at the bottom end of the cylinder 69. Sprockets are installed on the columns on the rotating rod D63 and the rotating plate 67. A pair of sprockets are connected by a chain 62. Porous carbon blocks 68 are installed on both vertical sides of the rotating plate 67; the motor E61 drives the chain 62 and the rotating disk E64 to move through the rotating rod D63, and the chain 62 drives the rotating plate 67 to rotate, and the rotating disk E64 engages with the rotating disk F65 to drive the cylinder 69 to rotate.

[0036] The specific implementation method is as follows: when the fan 1 transports the exhaust gas into the stripping unit 3 through the air inlet channel 2, the exhaust gas passes downward through the stripping sheet 28, the motor A21 pulls the rotating rod A22 to rotate, the rotating rod A22 pulls the connecting ring 25 to rotate, the connecting ring 25 pulls the two pairs of decontamination strips 27 to rotate through the support 26, and removes the debris on the outer wall of the stripping sheet 28. The separated waste falls into the collection port 213, the rotating rod A22 pulls the umbrella plate A214 to rotate, the umbrella plate A214 pulls the umbrella plate B215 to rotate, the umbrella plate B215 pulls the movable channel 216 to rotate, and the absorbent is added from the liquid adding channel 10 to the flip box 11. The movable channel 216 can evenly distribute the exhaust gas after stripping. The motor B31 on the movable unit 4 pulls the rotating disk A32 to rotate, the rotating disk A32 and the rotating disk B34 engage, pulling the fan-shaped rotating block A33 on the rotating disk A32 and the rotating disk B34 to rotate, the fan-shaped rotating block B35 rotates, the fan-shaped rotating block A33 and the fan-shaped rotating block B35 are in two positions, a pair of fan-shaped rotating blocks pull the linkage piece 36 along the track 37 to change back and forth, the linkage piece 36 pulls the movable seat 39 to change back and forth, the motor C38 pulls the rotating rod B310 to rotate, the rotating rod B310 pulls the rotating disk C311 to rotate, the rotating disk C311 and the rotating disk D312 engage, the rotating disk D31 The baffle 313 is pulled to rotate. The back-and-forth movement of the movable seat 39 and the rotation of the rotating disk D312 act in conjunction. The baffle 313 coils and moves on the surface of the movable channel 216. The baffle 313 allows the exhaust gas transported in the movable channel 216 to be evenly distributed into the absorbent. The motor C38 pulls the rotating seat 41 to rotate via the rotating rod B310. The back-and-forth movement of the movable seat 39 and the rotation of the rotating seat 41 act in conjunction, pulling the flip unit 5 to rotate. The elastic members installed on the stop column 48 and the connecting column 49 are used to slow the movement of the flip plate A45 and the flip plate B47, allowing the flip plates A45 and B47 to perform turbulence and enhance the flipping function. The motor D54 on the air intake control unit 6 pulls the movable disc 52 to rotate via the rotating rod C53, and controls the size of the opening of the movable disc 52 as needed, thereby changing the duration of the action between the exhaust gas and the absorbent to control the emission volume within the air unit time; the motor E61 on the movable impurity removal unit 7 pulls the chain 62 and the rotating disc E64 via the rotating rod D63, the chain 62 pulls the rotating piece 67 to rotate, and the rotating disc E64 engages with the rotating disc F65 to pull the cylinder 69 to rotate, so that the exhaust gas transported to the movable impurity removal unit 7 can fully contact the porous carbon block 68, thereby enhancing the stripping and deodorization effects; the exhaust gas after treatment is finally transported away through the exhaust channel A8.

[0037] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. Unipol polyethylene process tail gas recovery system, characterized by: It includes a fan, an air inlet channel, a stripping unit, a movable unit, a flipping unit, an air inlet volume control unit, a movable impurity removal unit, a discharge channel A, an outer barrel, a liquid adding channel and a flipping box; the air inlet channel is installed at the upper end of the stripping unit, and the other side of the air inlet channel is connected to the fan, the movable channel at the lower end of the stripping unit is connected to the movable unit, the movable unit is connected to the flipping unit and is located in the flipping box, the liquid adding channel is installed at the upper end of the outer barrel and is connected to the flipping box downward, the air inlet volume control unit is installed at the upper end of the flipping box, and the absorbent is added to the flipping box through the liquid adding channel, the movable impurity removal unit is installed at the upper end of the air inlet volume control unit, the discharge channel A is installed at the upper end of the movable impurity removal unit, and the outer barrel is installed on the outside of the equipment.

2. The Unipol polyethylene process tail gas recovery system according to claim 1, characterized in that: The movable unit includes a motor B, a rotating disk A, a fan-shaped rotating block A, a rotating disk B, a fan-shaped rotating block B, a linkage plate, a track, a motor C, a movable seat, a rotating rod B, a rotating disk C, a rotating disk D, a barrier plate and a variable platform; the motor B is installed on the outer wall of the flip box, the motor B is connected to the rotating disk A, the outer circumference of the rotating disk A and the rotating disk B are both reserved with teeth and engage with each other through the teeth, the fan-shaped rotating block A is installed on the rotating disk A, the fan-shaped rotating block B is installed on the rotating disk B, and the fan The arc surface of the fan-shaped rotating block A and the fan-shaped rotating block B are both reserved with teeth. A linkage piece is installed at the bottom of a pair of fan-shaped rotating blocks. A tooth is reserved on one wall of the linkage piece. The linkage piece can be movably installed in the track. The linkage piece is connected to one side of the movable seat. The other side of the movable seat is connected to the variable platform. The variable platform can be movably installed in another track. The back of the movable seat is fixedly connected to the motor C. The output end of the motor C is fixedly connected to the rotating rod B. The rotating rod B passes through the movable seat. The rotating disk C is installed on the rotating rod B. The rotating disk C is mounted on the lower end of the rotating disk D. The outer circumferences of the rotating disks C and D are both provided with teeth and engage with each other through the teeth. The rotating disk D is mounted in the movable seat. A blocking piece is mounted in the middle of the rotating disk D. The blocking piece contacts the surface of the movable channel. The motor B pulls the rotating disk A to rotate. The rotating disk A and the rotating disk B engage with each other, pulling the fan-shaped rotating block A on the rotating disk A and the rotating disk B to rotate. The fan-shaped rotating block B rotates. The fan-shaped rotating block A and the fan-shaped rotating block B are located at two In the direction, a pair of fan-shaped rotating blocks pull the linkage piece to move back and forth along the track, the linkage piece pulls the movable seat to move back and forth, the motor C pulls the rotating rod B to rotate, the rotating rod B pulls the rotating disk C to rotate, the rotating disk C and the rotating disk D engage, and the rotating disk D pulls the barrier piece to rotate. The back and forth movement of the movable seat and the rotation of the rotating disk D move together, and the barrier piece coils and moves on the surface of the movable channel, allowing the movable channel to evenly transport the transported exhaust gas into the absorbent, thereby enhancing the absorbent's exhaust gas treatment function.

3. The Unipol polyethylene process tail gas recovery system according to claim 2, characterized in that: The flipping unit includes a rotating seat, an elastic member A, an elastic member B, an elastic member C, a flip plate A, a constraint port B, a flip plate B, a stop column and a connecting column; the rotating seat is connected to the rotating rod B, and stop columns are installed at the four ends of the rotating seat. The other side of the stop column is movably connected to the constraint port B, and the constraint port B is in a ring shape. The connecting column and the flip plate B are installed on the stop column, and the flip plate A is installed on the connecting column. The elastic member A is installed between the rotating seat and the connecting column, the elastic member B is installed between the connecting column and the flip plate A, and the elastic member C is installed between the connecting column and the flip plate B; the motor C pulls the rotating seat to rotate through the rotating rod B, and the back and forth movement of the movable seat and the rotation of the rotating seat act together to pull the flip unit to change. The elastic members installed on the stop column and the connecting column are used to slow down the movement of the flip plate A and the flip plate B, so that the flip plate A and the flip plate B perform turbulence.

4. The Unipol polyethylene process tail gas recovery system according to claim 3, characterized in that: The stripping unit includes a motor A, a rotating rod A, a bracket, a sealing plate, a connecting ring, a support, a decontamination strip, a stripping piece, a restraining port A, a stripping cylinder, a sealing shell, a discharge channel B, a collecting port, an umbrella plate A, an umbrella plate B and a movable channel; the motor A is installed at the upper end of the bracket, the bracket is fixedly connected to the upper end of the sealing plate, the output end of the motor A is fixedly connected to the rotating rod A, the rotating rod A passes through the stripping cylinder, a connecting ring is installed on the rotating rod A, two pairs of supports are installed around the connecting ring via a shaft, a decontamination strip is installed on the support via a shaft, a layer of nylon line is installed on the decontamination strip, the nylon line on the decontamination strip is in contact with the stripping piece, the bottom of the decontamination strip is installed in the restraining port A, the restraining port A is reserved in the stripping cylinder, and the stripping A collecting port is left below the sheet. The stripping sheet is funnel-shaped and has several stripping ports reserved on the wall. A discharge channel B is arranged below the collecting port. The discharge channel B is sealed and connected to the movable channel. An umbrella plate A is arranged at the bottom of the rotating rod A, and an umbrella plate B is arranged on the decontamination strip. Teeth are reserved on the outer circumferences of umbrella plates A and umbrella plates B and they engage with each other through the teeth. The motor A pulls the rotating rod A to rotate, and the rotating rod A pulls the connecting ring to rotate. The connecting ring pulls the two pairs of decontamination strips to rotate through the support to remove debris on the outer wall of the stripping sheet, and the detached waste falls into the collecting port. The rotating rod A pulls the umbrella plate A to rotate, the umbrella plate A pulls the umbrella plate B to rotate, and the umbrella plate B pulls the movable channel to rotate. The movable channel is in the flip box.

5. The Unipol polyethylene process tail gas recovery system according to claim 4, characterized in that: The air intake control unit includes a connecting channel, a movable disc, a rotating rod C and a motor D; the motor D is installed on one side of the connecting channel, the output end of the motor D is fixedly connected to the rotating rod C, the rotating rod C is fixedly connected to the movable disc, the rotating rod C and the movable disc are installed in the connecting channel, and the centers of the movable disc and the connecting channel are collinear; the motor D pulls the movable disc to rotate through the rotating rod C, and can control the discharge volume of the air unit within a certain period of time as needed.

6. The Unipol polyethylene process tail gas recovery system according to claim 5, characterized in that: The movable impurity removal unit includes a motor E, a chain, a rotating rod D, a rotating disk E, a rotating disk F, a connecting platform, a rotating plate, a porous carbon block and a cylinder; the motor E is fixedly connected to the outer barrel, the output end of the motor E is fixedly connected to the rotating rod D, the lower end of the rotating rod D is fixedly connected to the rotating disk E, the rotating disk F is installed on the cylinder, the outer circumferences of the rotating disk E and the rotating disk F are reserved with teeth and engage with each other through the teeth, a connecting platform is installed at the bottom end of the cylinder, sprockets are installed on the columns on the rotating rod D and the rotating plate, a pair of sprockets are connected by a chain, and porous carbon blocks are installed on both vertical sides of the rotating plate; the motor E pulls the chain and the rotating disk E to move through the rotating rod D, the chain pulls the rotating plate to rotate, and the rotating disk E engages with the rotating disk F to pull the cylinder to rotate.

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