Gas-liquid separator for synthesizing anti-aging agent 6PPD

A technology of gas-liquid separator and water separator, which is applied in the direction of amino compound purification/separation, separation method, liquid degassing, etc., and can solve the problem of limited separation effect of gas and liquid phase

Active Publication Date: 2021-10-01
SINOPEC NANJING RES INST OF CHEM IND CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the gas-liquid separation section, the existing technology uses a single gravity sedimentation method for separation, the effect of gas and liquid phase separation is limited, and water cannot be separated

Method used

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  • Gas-liquid separator for synthesizing anti-aging agent 6PPD
  • Gas-liquid separator for synthesizing anti-aging agent 6PPD
  • Gas-liquid separator for synthesizing anti-aging agent 6PPD

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] See attached figure 1 , the cylinder (1) is formed by pressing and welding Q345R steel, which is a vertical container. Both ends of the cylinder (1) are convex, and the overall shell can be covered with aluminum skin. The raw material inlet (2) is fixed in the tangential direction of the cylinder (1) by welding. The distance between the raw material inlet (2) and the top of the cylinder About 20% of the cylinder height. The raw material inlet (2) and the flashing device (3) are fixed by welding, and the flashing device (3) is located inside the cylinder, and can have a certain flashing effect under the condition that the opening angle is not lower than 45°. The flash evaporator (3) passes through a sphericity of π The curved baffle (4) is docked with the vertical ceramic ball post (5), and the interface is fixed by welding. During the installation process, ensure that the ceramic ball column (5) is perpendicular to the ground, and the column is filled in a random pi...

Embodiment 2

[0032] See attached figure 1 , 2, 5, the water in the raw material fluid enters from the raw material inlet (2), after being flashed by the flash evaporator (3), part of the water is converted into water vapor, and then the flow direction is changed into the ceramic ball through the arc-shaped baffle (4) column (5). Because the ceramic ball is hydrophilic, water and water vapor will have adsorption on the ceramic ball, and the flow rate passing through the ceramic ball column (5) will slow down, and finally flow to the water separator (6). The density of water is greater than that of MIBK, and the water is located in the lower layer in the water separator, and the water is discharged through the drain (9). The water distributor (9) should be provided with a certain height, so as to prevent water from entering the branch pipe and bringing it downstream.

Embodiment 3

[0034] See attached figure 1 ,3,5,6, The hydrogen in the raw material fluid enters from the raw material inlet (2), and flows to the ceramic ball column (5) after passing through the flash device (3) and the arc-shaped baffle (4). Ceramic balls have a weak adsorption capacity for hydrogen, and the hydrogen molecules are relatively small, so hydrogen can quickly pass through the ceramic ball column, walk into the branch pipe of the water separator (6) and enter the baffle plate (7). When the hydrogen encounters the barrier of the baffle (7), it can quickly baffle and advance (701) along the plate wall, and can be well separated from MIBK after two stages of baffle, and finally discharged from the gas phase outlet (11).

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Abstract

The invention discloses a gas-liquid separator for synthesizing an anti-aging agent 6PPD. The gas-liquid separator is mainly characterized by comprising a vertical barrel, a raw material inlet, a flash evaporation device, an arc-shaped baffle, a porcelain ball column, a water segregator, a baffle plate, a liquid level meter, a water outlet, an oil phase outlet, a gas phase outlet, a cooling liquid/heat conduction oil inlet, a cooling liquid/heat conduction oil outlet and the like, and the separator can be applied to three-phase separation of water-containing organic solvent and inert gas which are insoluble in water and have density smaller than that of water in fluid. The problem of secondary gas-liquid separation in the preparation process of the anti-aging agent 6PPD is solved, the gas-liquid separation efficiency is improved through internal part integration, and the gas-liquid separation operation can be completed by one set of device.

Description

technical field [0001] The invention belongs to the field of chemical equipment, in particular to a gas-liquid separator for synthesizing anti-aging agent 6PPD. Background technique [0002] Anti-aging agent 6PPD is one of the main rubber anti-aging agents commonly used at present. [0003] At present, the anti-aging agent 6PPD synthesis process uses RT base, methyl isobutyl ketone (MIBK) and hydrogen to synthesize the anti-aging agent 6PPD. The latest precious metal catalyst preparation 6PPD process, this technology has a certain degree of advancement. [0004] Therefore, the supporting equipment and facilities should be adjusted to adapt to the changes in the new process. Among them, in the gas-liquid separation section, the existing technology adopts a single gravity sedimentation method for separation, the effect of gas and liquid phase separation is limited, and water cannot be separated. Contents of the invention [0005] The purpose of the present invention is to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D3/06B01D19/00C07C209/86C07C211/55
CPCB01D3/06B01D19/0042C07C209/86C07C211/55
Inventor 秦涛吴其建管庆宝黄伟祝东红韦志强
Owner SINOPEC NANJING RES INST OF CHEM IND CO LTD
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