Rectification system

A rectification system and rectification tower technology, applied in the field of chemical equipment, can solve the problems of reduced rectification efficiency, poor rectification effect, and reduced rectification efficiency, and achieve improved rectification efficiency, simple structure, and guaranteed rectification effect Effect

Pending Publication Date: 2017-09-15
山东顺骏石油化工有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] 1. The raw materials contain impurities such as metal cations, which can easily lead to the deactivation of the catalyst in the rectification tower;
[0004] 2. After the catalyst in the rectification tower is deactivated, the rectification needs to be stopped for replacement, which reduces

Method used

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  • Rectification system

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Embodiment Construction

[0021] A kind of rectification system, this system comprises two parallel rectification towers 2 and protective reactor 1 and reboiler 3; connected;

[0022] The reboiler includes a shell 3-1, the shell 3-1 is provided with a pipeline I3-2 and a pipeline II3-3, and the left end of the shell 3-1 is provided with a pipeline I inlet 3-4 and a pipeline II outlet 3 -5, the right end is provided with pipeline I outlet 3-6 and pipeline II inlet 3-7; pipeline I3-2 and pipeline II3-3 are spiral pipelines with the same rotation direction and coaxial with the shell 3-1; pipeline I3- 2 and the helical part of the pipeline II3-3 are arranged at intervals from each other;

[0023] The pipeline I inlet 3-4 is communicated with the rectification tower 2 outlet I2-2 connected in parallel through the pipeline, and the pipeline I outlet 3-6 is communicated with the rectification tower 2 feed inlet II2-3;

[0024] The pipeline I3-2 is a material pipeline; the pipeline II3-3 is a heating medium ...

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Abstract

The invention belongs to the technical field of chemical equipment, and specifically relates to a rectification system. The system includes two rectification towers arranged in parallel, a protection reactor and a reboiler; The feed port I is connected; the reboiler includes a shell, and the shell is provided with a pipeline I and a pipeline II, and the left end of the shell is provided with a pipeline I inlet and a pipeline II outlet, and the right end is provided with a pipeline I outlet and a pipeline II inlet; I and pipeline II are spiral pipelines with the same rotation direction and coaxial with the shell; the spiral parts of pipeline I and pipeline II are arranged at intervals; the inlet of pipeline I communicates with the outlet I of the parallel rectification tower through the pipeline, and the The outlet of I is in communication with the inlet II of the rectification tower; the pipeline I is a material pipeline; the pipeline II is a heating medium pipeline. By adopting the invention, the rectification efficiency can be effectively improved, the rectification effect can be guaranteed and the on-line replacement of the catalyst in the rectification tower can be realized.

Description

technical field [0001] The invention belongs to the technical field of chemical equipment, and in particular relates to a rectification system. Background technique [0002] Distillation is one of the commonly used operating methods in the chemical industry, and it is usually realized by a rectification tower. However, the commonly used distillation towers have the following problems: [0003] 1. The raw materials contain impurities such as metal cations, which can easily lead to the deactivation of the catalyst in the rectification tower; [0004] 2. After the catalyst in the rectification tower is deactivated, the rectification needs to be stopped for replacement, which reduces the rectification efficiency; [0005] 3. The residence time of the material in the reboiler is too short in the reboiler, and the material and the heating medium cannot fully exchange heat. [0006] The above-mentioned problems all lead to the reduction of rectification efficiency and poor recti...

Claims

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Application Information

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IPC IPC(8): B01D3/14
CPCB01D3/14
Inventor 张延刚杨刚刚李佳倩
Owner 山东顺骏石油化工有限公司
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