CN212383212U - Rectifying tower is used in production of polyethylene antioxidant - Google Patents
Rectifying tower is used in production of polyethylene antioxidant Download PDFInfo
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- CN212383212U CN212383212U CN202020753494.1U CN202020753494U CN212383212U CN 212383212 U CN212383212 U CN 212383212U CN 202020753494 U CN202020753494 U CN 202020753494U CN 212383212 U CN212383212 U CN 212383212U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model discloses a rectifying column is used in production of polyethylene antioxidant, relate to the chemical industry and use the technical field of rectifying column, it is by casing, puddler, stirring leaf and gas distributor to constitute, fixed the motor on the motor frame of casing, motor connection connecting axle I, connecting axle I connects gas transmission pole and gas-supply pipe, is equipped with the gas distributor on the gas transmission pole, the gas distributor connects the connecting rod, the connecting rod connects the puddler, there is the stirring leaf on the puddler, the main medium passageway of puddler is linked together with the vice medium passageway of stirring leaf; a connecting shaft II at the top of the shell is connected with the stirring rod and the medium conveying pipe, and the medium conveying pipe is communicated with the main medium channel; the top of casing is equipped with feed inlet and gas outlet, and the bottom of casing lateral wall is equipped with the drain pipe. The stirring device is improved, the stirring rod and the stirring blade have the heat exchange function at the same time, a motor is used for driving the stirring blade and the gas distributor at the same time, the contact efficiency of gas and liquid is increased, and the heat exchange efficiency and the separation efficiency are further improved.
Description
The technical field is as follows:
the utility model relates to a rectifying column technical field for the chemical industry, concretely relates to rectifying column is used in production of polyethylene antioxidant.
Background art:
in chemical production, the antioxidant used in the polyethylene production process is a phenolic antioxidant. In the production process of the antioxidant, a rectifying tower is required to be used for refining the reactant. The rectifying tower is a tower-type vapor-liquid contact device for rectification, vapor enters from the bottom of the tower, a vapor phase evaporated is in countercurrent contact with high-temperature liquid, in the two-phase contact, volatile components, namely low-boiling-point components, in the liquid are continuously transferred into the vapor phase, non-volatile components, namely high-boiling-point components, in the vapor phase are continuously transferred into the liquid, the concentration of the volatile components is higher as the vapor phase is closer to the top of the tower, and the concentration of the non-volatile components is higher as the liquid is closer to the bottom of the tower, so that the component separation is realized. In the existing rectifying device for the polyethylene antioxidant, a temperature control system of the rectifying device generally adopts a high-temperature device additionally arranged outside a tower body to heat the side wall of the tower body and then exchange heat layer by layer to liquid inside the tower body, but the structure has poor heat exchange efficiency; in order to increase the heat exchange effect, a stirring device is generally added to improve the heat exchange efficiency.
The utility model has the following contents:
the utility model aims at overcoming the defects of the prior art and providing a rectifying tower for producing a polyethylene antioxidant.
The utility model discloses a rectifying column is used in production of polyethylene antioxidant, comprises casing, puddler, stirring vane and gas distributor, the bottom of casing be equipped with the motor frame, fixed the motor on the motor frame, the output of motor connects connecting axle I, connecting axle I connects the gas transmission pole, is equipped with gas distributor on the gas transmission pole, the gas transmission end of connecting axle I connects the gas transmission pipe, the gas transmission pole is hollow structure, gas transmission pipe, gas transmission pole and gas distributor are linked together; the top of the gas distributor is provided with a connecting rod, the top of the connecting rod is provided with a stirring rod, the side wall of the stirring rod is provided with a stirring blade, a main medium channel is arranged inside the stirring rod, an auxiliary medium channel is arranged inside the stirring blade, and the main medium channel is communicated with the auxiliary medium channel; the top of the shell, which is provided with the stirring rod, is provided with a connecting shaft II, the connecting shaft II is connected with the stirring rod, the gas transmission end of the connecting shaft II is provided with a medium conveying pipe, and the medium conveying pipe is communicated with the main medium channel; the top of casing is equipped with feed inlet and gas outlet, and the bottom of casing lateral wall is equipped with the drain pipe.
As a further improvement, the gas-supply pipe is connected with the bottom of buffer tank, and the top of buffer tank is linked together with the casing, is equipped with intake pipe and outlet duct on the buffer tank.
As a further improvement of the utility model, the gas distributor is provided with air outlets arranged in a matrix
The utility model discloses a rectifying column is used in production of polyethylene antioxidant has reformed transform agitating unit, makes puddler and stirring leaf have the heat transfer function simultaneously concurrently, utilizes a motor to drive stirring leaf and gas distributor simultaneously, increases the contact efficiency of gas and liquid, and then improves heat exchange efficiency and separation efficiency.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
In the figure: the gas distribution device comprises a shell 1, a stirring rod 2, stirring blades 3, a gas distributor 4, a motor frame 5, a motor 6, a connecting shaft I7, a gas transmission rod 8, a gas transmission pipe 9, a connecting rod 10, a main medium channel 11, an auxiliary medium channel 12, a connecting shaft II 13, a medium conveying pipe 14, a feeding hole 15, a gas outlet 16, a buffer box 17, a gas inlet pipe 18, a gas outlet pipe 19, a gas outlet hole 20, a liquid outlet pipe 21 and a circulating pipeline 22.
The specific implementation mode is as follows:
the utility model discloses a rectifying column is used in production of polyethylene antioxidant comprises casing 1, puddler 2, stirring leaf 3 and gas distributor 4, the bottom of casing 1 be equipped with motor frame 5, fixed motor 6 on motor frame 5, connecting axle I7 is connected to the output of motor 6, gas transmission pole 8 is connected at the top of connecting axle I7, its lateral wall connects gas transmission pipe 9, on the one hand can utilize motor drive gas transmission pole 8 to rotate, on the other hand can be linked together gas transmission pipe 9 and gas transmission pole 8, connect heat exchange shaft 5 for the product on the market, as long as can reach the product structure of this function all can use; the gas transmission rod 8 is provided with a gas distributor 4, and the gas distributor 4 is provided with gas outlet holes 20 in a matrix arrangement, so that the gas transmission rod 8 and the gas distributor 4 can be driven to rotate by clicking 6; the gas transmission end of the connecting shaft I7 is connected with a gas transmission pipe 9, the gas transmission rod 8 is of a hollow structure, the gas transmission pipe 9, the gas transmission rod 8 and the gas distributor 4 are communicated, and the structure is a gas input part. The gas pipe 9 is connected with the bottom of the buffer tank 17, the gas pipe 9 and the pump body control gas transmission, and the top of the buffer tank 17 is communicated with the shell 1 through a circulating pipeline 22, so that a circulating pipeline can be formed, and the gas which is not fully processed is subjected to secondary rectification; the buffer tank 17 is provided with an air inlet pipe 18 and an air outlet pipe 19 for supplementing and exhausting air; the top of the gas distributor 4 is provided with a connecting rod 10, the top of the connecting rod 10 is provided with a stirring rod 2, and the side wall of the stirring rod 2 is provided with a stirring blade 3, so that the electrode 6 drives the gas transmission rod 8 and the gas distributor 4 to rotate, and simultaneously can drive the stirring rod 2 and the stirring blade 3 to rotate and stir the liquid reactant, so that the liquid reactant is more fully contacted with the gas; a main medium channel 11 is arranged inside the stirring rod 2, an auxiliary medium channel 12 is arranged inside the stirring blade 3, and the main medium channel 11 is communicated with the auxiliary medium channel 12; the top of the shell 1, which is provided with the stirring rod 2, is provided with a connecting shaft II 13, the structure of the connecting shaft II 13 is the same as that of the connecting shaft I7, the connecting shaft II 13 is connected with the stirring rod 2, the gas transmission end of the connecting shaft II 13 is provided with a medium conveying pipe 14, and the medium conveying pipe 14 is communicated with the main medium channel 11, so that a heat exchange medium can be conveyed to the inner parts of the main medium channel 11 and the auxiliary medium channel 12 by the medium conveying pipe 14, heat exchange is carried out between the stirring blades 3 and liquid in the shell 1, and the reaction temperature is ensured so as to; the top of the shell 1 is provided with a feed inlet 15 and a gas outlet 16, the bottom of the side wall of the shell 1 is provided with a liquid outlet pipe 21, the feed inlet 15 and the liquid outlet pipe 21 are used for inputting and outputting liquid materials, and the gas outlet 16 is used for outputting volatilized gas substances.
The utility model discloses a rectifying column is used in production of polyethylene antioxidant, its concrete work flow as follows: the liquid material is input into the shell 1 from the feed inlet 15, simultaneously, the heat exchange medium is conveyed to the main medium channel 11 through the medium conveying pipe 14 and enters the auxiliary medium channel 12, then the gas is input into the gas distributor 4 from the gas conveying pipe 9, the motor 6 is started, the motor 6 drives the gas distributor 4, the stirring rod 2 and the stirring blades 3 rotate simultaneously, the shell 1 is internally stirred, heat exchange can be carried out to ensure the ambient temperature, when the gas at the top of the tower reaches a certain concentration, the gas can be collected by discharge, meanwhile, the gas can be treated by the circulating pipeline 22, and the rectification effect is ensured.
Claims (3)
1. A rectifying tower for producing a polyethylene antioxidant is composed of a shell (1), a stirring rod (2), stirring blades (3) and a gas distributor (4), and is characterized in that a motor frame (5) is arranged at the bottom of the shell (1), a motor (6) is fixed on the motor frame (5), the output end of the motor (6) is connected with a connecting shaft I (7), the connecting shaft I (7) is connected with a gas transmission rod (8), the gas distributor (4) is arranged on the gas transmission rod (8), the gas transmission end of the connecting shaft I (7) is connected with a gas transmission pipe (9), the gas transmission rod (8) is of a hollow structure, and the gas transmission pipe (9), the gas transmission rod (8) and the gas distributor (4) are communicated; the top of the gas distributor (4) is provided with a connecting rod (10), the top of the connecting rod (10) is provided with a stirring rod (2), the side wall of the stirring rod (2) is provided with a stirring blade (3), a main medium channel (11) is arranged inside the stirring rod (2), an auxiliary medium channel (12) is arranged inside the stirring blade (3), and the main medium channel (11) is communicated with the auxiliary medium channel (12); the top of the shell (1) provided with the stirring rod (2) is provided with a connecting shaft II (13), the connecting shaft II (13) is connected with the stirring rod (2), the gas transmission end of the connecting shaft II (13) is provided with a medium conveying pipe (14), and the medium conveying pipe (14) is communicated with the main medium channel (11); the top of the shell (1) is provided with a feed inlet (15) and an air outlet (16), and the bottom of the side wall of the shell (1) is provided with a liquid outlet pipe (21).
2. The rectifying tower for producing the polyethylene antioxidant as claimed in claim 1, wherein the gas transmission pipe (9) is connected with the bottom of the buffer tank (17), the top of the buffer tank (17) is communicated with the shell (1), and the buffer tank (17) is provided with a gas inlet pipe (18) and a gas outlet pipe (19).
3. The rectification column for the production of polyethylene antioxidant as claimed in claim 1, characterized in that the gas distributor (4) is provided with gas outlet holes (20) arranged in a matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020753494.1U CN212383212U (en) | 2020-05-09 | 2020-05-09 | Rectifying tower is used in production of polyethylene antioxidant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020753494.1U CN212383212U (en) | 2020-05-09 | 2020-05-09 | Rectifying tower is used in production of polyethylene antioxidant |
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| Publication Number | Publication Date |
|---|---|
| CN212383212U true CN212383212U (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020753494.1U Active CN212383212U (en) | 2020-05-09 | 2020-05-09 | Rectifying tower is used in production of polyethylene antioxidant |
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| Country | Link |
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| CN (1) | CN212383212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893568A (en) * | 2021-10-15 | 2022-01-07 | 付雪玲 | Acrylic acid purification lightness-removing tower |
-
2020
- 2020-05-09 CN CN202020753494.1U patent/CN212383212U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893568A (en) * | 2021-10-15 | 2022-01-07 | 付雪玲 | Acrylic acid purification lightness-removing tower |
| CN113893568B (en) * | 2021-10-15 | 2024-01-05 | 徐州合谷生命科技有限公司 | Acrylic acid purification light component removing tower |
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