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CN-120609970-B - Polymerization inhibitor detection device with intelligent sensor

CN120609970BCN 120609970 BCN120609970 BCN 120609970BCN-120609970-B

Abstract

The invention discloses a polymerization inhibitor detection device with an intelligent sensor, which relates to the technical field of high polymer materials and comprises a storage tank, a valve, an adding tank, a safety cover, a motor and a stirring rod, wherein butadiene is stored in the storage tank, the valve is fixedly arranged on the surface of the storage tank and is used for controlling injection of additive solution, the adding tank is fixedly arranged at the top of the valve, the safety cover is arranged at the top of the adding tank and is provided with a round hole, the motor is fixedly arranged at the top of the safety cover, the stirring rod is fixedly arranged at the output end of the motor and penetrates through the bottom of the safety cover in a rotating mode, the stirring rod is used for mixing the additive solution, the concentration of the solution is monitored in real time through the intelligent sensor, and the polymerization inhibitor is automatically supplemented when the concentration of the solution is high, so that the processing effect is improved.

Inventors

  • Wu Angshan
  • BAI WEI
  • ZHOU DAPENG
  • WU ZHONGXIANG
  • GAO JUN
  • LI HONGMEI

Assignees

  • 江苏斯尔邦石化有限公司

Dates

Publication Date
20260512
Application Date
20250603

Claims (8)

  1. 1. Polymerization inhibitor detection device with intelligent sensor, characterized in that for add the polymerization inhibitor, include: the storage tank (1), butadiene is stored in the storage tank (1), an intelligent sensor is arranged in the storage tank (1), and the intelligent sensor is used for detecting the concentration of a solution in the storage tank (1); The valve (2) is fixedly arranged on the surface of the storage tank (1), and the valve (2) is used for controlling the injection of the additive solution; the adding tank (3), the adding tank (3) is fixedly arranged at the top of the valve (2); The safety cover (4) is arranged at the top of the adding tank (3), and a round hole is formed in the top of the safety cover (4); the motor (5) is fixedly arranged at the top of the safety cover (4); the stirring rod (6) is fixedly arranged at the output end of the motor (5), the stirring rod (6) rotates to penetrate through the bottom of the safety cover (4), and the stirring rod (6) is used for mixing additive solution; The lifting frame (7) penetrates through the bottom of the stirring rod (6) in a sliding manner, and a swivel is rotatably arranged at the bottom of the lifting frame (7); the primary spring (8) is arranged between the lifting frame (7) and the stirring rod (6); the two filter plates (9) are fixedly arranged on the inner wall of the lifting frame (7), and the filter plates (9) are used for blocking crystals.
  2. 2. The polymerization inhibitor detection device with the intelligent sensor according to claim 1, wherein an inserting plate (10) is fixedly arranged at the bottom of the safety cover (4), clamping plates (11) are fixedly arranged on the circumferential surface of the adding tank (3), rubber sheets (12) are fixedly arranged on two sides of the inner wall of each clamping plate (11), and the inserting plate (10) is in contact with the rubber sheets (12); The sealing device is characterized in that a protection device for improving sealing performance is arranged on the circumferential surface of the adding tank (3), and a locking device for improving stability is arranged on the protection device.
  3. 3. The polymerization inhibitor detection device with the intelligent sensor according to claim 2, wherein a swivel at the bottom of the lifting frame (7) is in contact with the inner wall of the adding tank (3), and the two rubber sheets (12) are symmetrically arranged.
  4. 4. The polymerization inhibitor detection device with intelligent sensor according to claim 3, wherein the protection device comprises a fixed frame (121), a telescopic rod (122), a second spring (123), a circular plate (124) and a sealing ring (125), wherein the fixed frame (121) is fixedly installed on the circumferential surface of the adding tank (3), the telescopic rod (122) is slidably penetrated through the top of the fixed frame (121), the second spring (123) is arranged between the telescopic rod (122) and the fixed frame (121), the circular plate (124) is fixedly installed on one surface, far away from the second spring (123), of the telescopic rod (122), the sealing ring (125) is fixedly installed on the top of the circular plate (124), the sealing ring (125) is in contact with the circumferential surface of the adding tank (3), and the sealing ring (125) is in contact with the bottom of the safety cover (4).
  5. 5. The polymerization inhibitor detection device with the intelligent sensor of claim 4, wherein the circumference of the telescopic rod (122) is fixedly provided with a cylindrical rod (126), the top of the fixed frame (121) is fixedly provided with a C-shaped plate (127), one surface of the fixed frame (121) close to the cylindrical rod (126) is provided with a sliding groove, and the cylindrical rod (126) is in contact with the sliding groove.
  6. 6. The polymerization inhibitor detection device with the intelligent sensor according to claim 5, wherein a circular groove is formed in one surface, far away from the telescopic rod (122), of the cylindrical rod (126), a friction groove is formed in the inner wall of the C-shaped plate (127), and the circumferential surface of the cylindrical rod (126) is in contact with the friction groove.
  7. 7. The polymerization inhibitor detection device with intelligent sensor according to claim 6, wherein the locking device comprises a connecting frame (131), a sliding plate (132), a linkage rod (133), a sliding rod (134), a control rod (135), two limiting rods (136) and a hollow circular plate (137), wherein the connecting frame (131) is fixedly arranged on the surface of the fixed frame (121), the sliding plate (132) is slidably arranged on the inner wall of the connecting frame (131), the linkage rod (133) is fixedly penetrated at the top of the sliding plate (132), the sliding rod (134) is slidably penetrated at the inner wall and the outer wall of the connecting frame (131), the control rod (135) is rotatably arranged on one surface of the sliding rod (134) far away from the sliding plate (132), the two limiting rods (136) are fixedly arranged on the circumferential surface of the control rod (135), the hollow circular plate (137) is fixedly arranged on one surface of the connecting frame (131) close to the limiting rods (136), and the shape of the top of the linkage rod (133) is circular, and the inner wall of the linkage rod (133) is in contact with the circumferential surface of the cylinder (126).
  8. 8. The polymerization inhibitor detection device with the intelligent sensor according to claim 7, wherein a torsion spring is arranged between the control rod (135) and the sliding rod (134), and a rectangular groove is formed in the hollow circular plate (137).

Description

Polymerization inhibitor detection device with intelligent sensor Technical Field The invention relates to the technical field of high polymer materials, in particular to a polymerization inhibitor detection device with an intelligent sensor. Background The polymerization inhibitor reaction device is special equipment for inhibiting spontaneous reaction of easily polymerized chemicals such as butadiene in a storage tank, and liquid polymerization inhibitor is added to prevent polymer formation and ensure raw material stability. Patent publication number CN207143152U relates to a polymerization inhibitor adding device, locates on the raw materials storage tank, including the feeding portion that communicates directly with the raw materials storage tank for add the interpolation portion of volatile polymerization inhibitor, and be used for the connecting portion of intercommunication interpolation portion and feeding portion, the position that is located the below of connecting portion on the interpolation portion is equipped with the storage chamber that is used for storing volatile polymerization inhibitor, and this patent has solved the easy problem that takes place to polymerize and destroy the pipeline of raw materials in the current polymer raw materials storage tank, has the effect of preventing polymerization, protection pipeline. In the above patent, the polymerization is prevented, the effect of protecting the pipeline is achieved, the problem that the pipeline is damaged due to the fact that raw materials in the existing polymer raw material storage tank are easy to polymerize is solved by arranging the storage cavity for storing the volatile polymerization inhibitor, but in the actual adding process, the butadiene is usually required to be stored at a low temperature to inhibit self-polymerization reaction, crystallization of the polymerization inhibitor is caused by the low-temperature environment, the use of the polymerization inhibitor is unstable, and meanwhile, the adding of the polymerization inhibitor cannot be adjusted in real time according to the concentration of a solution in the processing process, so that certain defects exist. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a polymerization inhibitor detection device with an intelligent sensor, which solves the problems in the prior art. The polymerization inhibitor detection device with the intelligent sensor comprises a storage tank, wherein butadiene is stored in the storage tank, the intelligent sensor is arranged in the storage tank and is used for detecting the concentration in the storage tank; the device comprises a storage tank, a valve, an adding tank, a safety cover, a motor, a stirring rod, a filter plate, a lifting frame, a rotary ring, a first spring, a filter plate and a filter plate, wherein the valve is fixedly arranged on the surface of the storage tank and used for controlling injection of additive solution, the adding tank is fixedly arranged on the top of the valve, the safety cover is arranged on the top of the adding tank, the top of the safety cover is provided with a round hole, the motor is fixedly arranged on the top of the safety cover, the stirring rod is fixedly arranged at the output end of the motor, the stirring rod rotates to penetrate through the bottom of the safety cover and is used for mixing the additive solution, the motor is started, the output end of the stirring rod drives the stirring rod to rotate, the stirring rod rotates to mix liquid polymerization inhibitor and solvent, the lifting frame slides to penetrate through the bottom of the stirring rod, the bottom of the lifting frame is rotatably provided with the rotary ring, the first spring is arranged between the lifting frame and the stirring rod, and the filter plate is fixedly arranged on the inner wall of the lifting frame and is used for blocking crystals, and the lifting frame rotates to drive the filter plate to block crystals precipitated due to low temperature. According to the technical scheme, the bottom fixed mounting of safety lid has the picture peg, the periphery fixed mounting of adding the jar has the cardboard, the equal fixed mounting of inner wall both sides of cardboard has the sheet rubber, picture peg and sheet rubber contact, and the safety lid removes and drives the picture peg and upwards moves, and picture peg and the sheet rubber friction of deformation are until it breaks away from the inner wall of cardboard. According to the technical scheme, the swivel at the bottom of the lifting frame is in contact with the inner wall of the adding tank, the swivel at the bottom of the lifting frame is in tight contact with the adding tank, the swivel is prevented from synchronously rotating along with the lifting frame, and the two rubber sheets are symmetrically arranged. According to the technical scheme, the protection device for improving the sealing performance is arranged on