Self-cleaning polyester chip esterification reaction kettle

Abstract

The utility model discloses a self-cleaning polyester chip esterification reaction kettle in the field of chemical fibers, which comprises a kettle body, a feeding cylinder arranged at the upper end of the kettle body, a discharging cylinder arranged at the lower end of the kettle body, a plurality of supporting legs arranged at the bottom of the kettle body, and a rotary stirring mechanism arranged in the kettle body. The rotary stirring mechanism comprises a vertical rotating shaft rotatably arranged in the kettle body, a plurality of stirring blades are arranged on the periphery of the rotating shaft, a plurality of cleaning assemblies are evenly distributed on the rotating shaft in the circumferential direction, each cleaning assembly comprises an arc-shaped cleaning plate, and the cleaning plates correspond to the inner wall of the kettle body. And at least two groups of upper connecting rods, middle connecting rods and lower connecting rods are sequentially arranged between the cleaning plate and the rotating shaft. The esterification kettle not only can be used for producing polyester chips through esterification reaction, but also can be used for cleaning the inner wall of the kettle body to prevent substances from adhering to the inner wall of the kettle body.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of chemical fiber, especially relates to a self-cleaning polyester chip esterification reaction kettle. BACKGROUND

[0002] Polyester chip usually refers to polyester raw material obtained by polymerization production, is generally processed into about 4*5*2 millimeter or so flaky particles, and can be used for producing chemical fiber, and an esterification reaction kettle needs to be used in the production process of polyester chip.

[0003] When the esterification reaction kettle works, polyester chip is obtained through esterification reaction, raw materials are prone to being left on the inner wall of the reaction kettle due to long-time work, the inner wall of the reaction kettle cannot be cleaned, and the normal processing process is affected. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a self-cleaning polyester chip esterification reaction kettle, which can not only produce polyester chip through esterification reaction, but also clean the inner wall of the kettle body to prevent substances from adhering to the inner wall of the kettle body.

[0005] The utility model aims at realizing the following: a self-cleaning polyester chip esterification reaction kettle, which comprises a kettle body, the upper end of the kettle body is provided with a feeding cylinder, the lower end of the kettle body is provided with a discharging cylinder, the bottom of the kettle body is provided with a plurality of supporting feet, a rotary stirring mechanism is arranged in the kettle body, the rotary stirring mechanism comprises a vertical rotating shaft rotatably arranged in the kettle body, a plurality of stirring blades are arranged on the periphery of the rotating shaft, a plurality of groups of cleaning assemblies are uniformly arranged on the rotating shaft in the circumferential direction, the cleaning assemblies comprise arc-shaped cleaning plates, the cleaning plates are arranged in correspondence with the inner wall of the kettle body, and at least two groups of upper connecting rods, middle connecting rods and lower connecting rods are sequentially arranged between the cleaning plates and the rotating shaft.

[0006] When the utility model works, raw materials are poured into the kettle body through the feeding cylinder, the rotating shaft is rotated to make the stirring blades fully stir the materials, the raw materials are produced into polyester chip through esterification reaction, meanwhile, the self-cleaning protruding blocks on the three arc-shaped cleaning plates on the periphery of the stirring shaft clean the inner wall of the kettle body, the materials are simultaneously stirred by the stirring blades and the three cleaning plates on the rotating shaft, the reactants between the stirring blades and the three cleaning plates are uniformly mixed, and polyester chip is generated.

[0007] As a further improvement of the utility model, the kettle body comprises a cylinder body, and the upper end and the lower end of the cylinder body are respectively provided with an arc-shaped upper cover and an arc-shaped lower cover.

[0008] As a further improvement of the utility model, the upper end of the rotating shaft extends out of the upper cover, the upper cover is provided with a support, the top of the support is provided with a speed reducer motor, the output shaft of the speed reducer motor is downwardly connected with the extending end of the rotating shaft in a transmission mode, and the upper cover of the kettle body is provided with a pressure gauge for measuring the internal pressure of the kettle body. The speed reducer motor drives the rotating shaft to rotate, the stirring blades stir the reactants to mix fully, the cleaning plates on the rotating shaft scrape the substances on the inner wall of the kettle body to clean, the pressure gauge measures the internal pressure of the kettle body, and the thermometer measures the temperature in the kettle body.

[0009] As a further improvement of the utility model, the cleaning assembly is provided with three groups of the upper connecting rods, the middle connecting rods and the lower connecting rods which are arranged in a radial mode, the height of the upper connecting rod is higher than the height of the top stirring blade, the height of the lower connecting rod is lower than the height of the bottom stirring blade, the middle connecting rod is arranged in a staggered mode with the stirring blade, and the cleaning plate is arranged in correspondence with the barrel. The outer part of the cleaning plate is provided with a plurality of self-cleaning protruding blocks which are in a semispherical shape. The upper connecting rods, the middle connecting rods and the lower connecting rods which are arranged in a left-right symmetrical mode are used to reinforce the cleaning plate.

[0010] As a further improvement of the utility model, the kettle body is provided with an upper guide ring and a lower guide ring which are arranged in correspondence with the rotating shaft, the outer periphery of the upper guide ring and the lower guide ring is provided with three reinforcing rods which are arranged in a circumferential mode, the end part of each reinforcing rod is fixed with the inner wall of the kettle body, the height of the upper guide ring is higher than the height of the upper connecting rod, the height of the lower guide ring is lower than the height of the lower connecting rod, and the inner part of the upper guide ring and the lower guide ring is provided with a bearing which is arranged in correspondence with the rotating shaft. The rotation of the rotating shaft is guided by the at least two bearings. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the utility model.

[0012] Figure 2 It is a structural schematic view of the utility model. Figure 1 It is an enlarged view of the middle A.

[0013] Figure 3 It is a sectional view of each cleaning plate.

[0014] Figure 4 It is a sectional view of each reinforcing rod of the upper guide ring.

[0015] In the utility model, 1 is a kettle body, 1a is a barrel, 1b is an upper cover, 1c is a lower cover, 2 is a feeding cylinder, 3 is a discharging cylinder, 4 is a supporting leg, 5 is a rotating shaft, 6 is a stirring blade, 7 is a cleaning plate, 8 is an upper connecting rod, 9 is a middle connecting rod, 10 is a lower connecting rod, 11 is a support, 12 is a speed reducer motor, 13 is a pressure gauge, 14 is a self-cleaning protruding block, 15 is an upper guide ring, 16 is a lower guide ring, 17 is a reinforcing rod, and 18 is a bearing. DETAILED DESCRIPTION

[0016] As Figures 1-4As shown, it is a self-cleaning polyester chip esterification reactor, including kettle body 1, kettle body 1 includes cylinder body 1a, the upper end and the lower end of cylinder body 1a are respectively provided with arc upper cover 1b and arc lower cover 1c;The upper end of kettle body 1 is provided with feed cylinder 2, the lower end of kettle body 1 is provided with discharge cylinder 3, the bottom of kettle body 1 is provided with several support feet 4, the rotating stirring mechanism is arranged in kettle body 1, the rotating stirring mechanism includes the vertical rotating shaft 5 rotatably arranged in kettle body 1, the outer periphery of rotating shaft 5 is provided with several stirring blades 6, the upper end of rotating shaft 5 extends out of upper cover 1b, the upper cover 1b is provided with support 11, the top of support 11 is provided with speed reducer 12, the output shaft of speed reducer 12 is downward and is connected with the transmission of rotating shaft 5 extension end, the upper cover 1b of kettle body 1 is provided with pressure gauge 13 for measuring the internal pressure of kettle body 1. Speed reducer 12 drives rotating shaft 5 to rotate, stirring blade 6 stirs the reactant to mix fully, while cleaning plate 7 on rotating shaft 5 scrapes the material on the inner wall of kettle body 1 to clean, pressure gauge 13 measures the internal pressure of kettle body 1, thermometer measures the temperature in kettle body 1;Rotating shaft 5 is uniformly distributed with several groups of cleaning assemblies along the circumference, the cleaning assembly includes arc cleaning plate 7, the cleaning plate 7 is correspondingly arranged with the inner wall of kettle body 1, at least two groups of upper connecting rods 8, middle connecting rods 9 and lower connecting rods 10 are sequentially arranged between cleaning plate 7 and rotating shaft 5.

[0017] The cleaning assembly is uniformly distributed with three groups along the circumference of rotating shaft 5, the upper connecting rod 8, the middle connecting rod 9 and the lower connecting rod 10 are radially arranged, the height of the upper connecting rod 8 is higher than the height of the top stirring blade 6, the height of the lower connecting rod 10 is lower than the height of the bottom stirring blade 6, the middle connecting rod 9 is staggered with the stirring blade 6, the cleaning plate 7 is correspondingly arranged with the cylinder body 1a, the outer part of the cleaning plate 7 is provided with several self-cleaning protruding blocks 14, the self-cleaning protruding blocks 14 are semispherical. At least two groups of left and right symmetrical upper connecting rods 8, middle connecting rods 9 and lower connecting rods 10 are used to reinforce the cleaning plate 7.

[0018] The upper guide ring 15 and the lower guide ring 16 are correspondingly arranged in the kettle body 1, the outer periphery of the upper guide ring 15 and the lower guide ring 16 is uniformly distributed with three reinforcing rods 17 along the circumference, the end of each reinforcing rod 17 is fixed with the inner wall of kettle body 1, the height of the upper guide ring 15 is higher than the height of the upper connecting rod 8, the height of the lower guide ring 16 is lower than the height of the lower connecting rod 10, the inner part of the upper guide ring 15 and the lower guide ring 16 is provided with bearing 18 corresponding to rotating shaft 5. At least two groups of bearings 18 are used to guide the rotation of rotating shaft 5.

[0019] The utility model discloses the work, open the cylinder cover of feeding cylinder, and the raw material is put into cauldron body 1 through the import of feeding cylinder 2, and rotating shaft 5 rotates and makes the stirring vane 6 fully stirs material, and the raw material carries out esterification reaction production polyester chip, and three arc cleaning plates 7 on the self -cleaning convex block 14 of stirring shaft periphery clean the inner wall of cauldron body 1 simultaneously, and rotating shaft 5 on stirring vane 6 and three cleaning plates 7 simultaneously stir material, and the reactant between stirring vane 6 and three cleaning plates 7 mixes evenly, and generates polyester chip, and open the cylinder cover of discharge cylinder, and the finished product is discharged from the export of discharge cylinder 3.The utility model discloses the advantage lies in: not only can esterification reaction production polyester chip, but also can clean the inner wall of cauldron body 1, prevent material adhesion in cauldron body 1 inner wall.

[0020] The utility model discloses not limited to the above -mentioned embodiment, on the basis of the technical scheme disclosed in the utility model, the skilled in the art can make some replacement and deformation to some technical features in the disclosed technical content without creative labor, and these replacement and deformation are all within the protection scope of the utility model.

Claims

1. A self-cleaning polyester chip esterification reaction kettle, comprising a kettle body, the upper end of the kettle body is provided with a feeding cylinder, the lower end of the kettle body is provided with a discharging cylinder, the bottom of the kettle body is provided with a plurality of supporting feet, a rotating stirring mechanism is arranged in the kettle body, the rotating stirring mechanism comprises a vertical rotating shaft which is rotatably arranged in the kettle body, a plurality of stirring blades are arranged on the outer periphery of the rotating shaft, characterized in that, The rotating shaft is provided with several groups of cleaning assemblies in the circumferential direction, the cleaning assembly comprises an arc-shaped cleaning plate, the cleaning plate is arranged corresponding to the inner wall of the kettle body, and at least two groups of upper connecting rods, middle connecting rods and lower connecting rods are sequentially arranged between the cleaning plate and the rotating shaft; the kettle body comprises a cylinder body, and arc-shaped upper and lower covers are arranged at the upper end and the lower end of the cylinder body; the upper end of the rotating shaft extends out of the upper cover, a support is arranged on the upper cover, a reduction motor is arranged on the top of the support, the output shaft of the reduction motor is downwardly connected in transmission with the extending end of the rotating shaft, and a pressure gauge for measuring the internal pressure of the kettle body is arranged on the upper cover of the kettle body; the cleaning assemblies are arranged in three groups in the circumferential direction of the rotating shaft, the upper connecting rods, the middle connecting rods and the lower connecting rods are arranged in the radial direction, the height of the upper connecting rods is higher than the height of the top stirring blades, the height of the lower connecting rods is lower than the height of the bottom stirring blades, the middle connecting rods are arranged staggered with the stirring blades, the cleaning plate is arranged corresponding to the cylinder body, a plurality of self-cleaning protruding blocks are arranged outside the cleaning plate, and the self-cleaning protruding blocks are in a semispherical shape; the upper and lower guide rings are arranged corresponding to the rotating shaft in the interior of the kettle body, three reinforcing rods are arranged in the circumferential direction on the outer periphery of the upper and lower guide rings, the end portions of the reinforcing rods are fixed to the inner wall of the kettle body, the height of the upper guide ring is higher than the height of the upper connecting rods, the height of the lower guide ring is lower than the height of the lower connecting rods, and bearings are arranged corresponding to the rotating shaft in the interiors of the upper and lower guide rings.

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