Recovery system
Through the multi-step gas separation and recovery process in the recovery system, the problem of low propylene utilization in the production of allyl acetate is solved, and efficient utilization of raw materials and cost reduction are achieved.
CN223404902UActive Publication Date: 2025-10-03ZHEJIANG HUANGMA TECH CO LTD +3
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Patent Information
- Application Number
- CN202422787645.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-14
AI Technical Summary
Technical Problem
In the existing allyl acetate production process, the single-pass conversion rate of propylene is low, resulting in low utilization of reaction raw materials and increased production costs.
Method used
By designing a recovery system, including the coordinated cooperation of a reactor, an absorption tower, a condenser, a compressor, a crude product storage tank, a distillation tower and a gas-liquid separation tank, multi-step separation and recovery of gas can be achieved, thereby improving the utilization rate of raw materials.
Benefits of technology
Improve the utilization rate of raw materials and reduce production costs.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model provides a recovery system which comprises a reactor, an absorption tower, a condenser, a first compressor, a crude product storage tank, a second compressor, a rectifying tower and a gas-liquid separation tank, the top of the reactor is communicated with a first pipeline, the bottom of the absorption tower is communicated with the bottom of the reactor through a second pipeline, and the top of the absorption tower is communicated with the first pipeline through a third pipeline; the condenser is installed on the second pipeline, the first compressor is installed on the third pipeline, the crude product storage tank is communicated with the bottom of the absorption tower through a fourth pipeline and a fifth pipeline, the second compressor is installed on the fifth pipeline, and the middle of the rectifying tower is communicated with the crude product storage tank through a sixth pipeline; the gas-liquid separation tank is communicated with the rectifying tower through at least two eighth pipelines so as to be used for separating rectified materials and realizing reflux of the rectifying tower, and the gas-liquid separation tank is communicated with the crude product storage tank through a ninth pipeline so as to be used for guiding separated gas into the crude product storage tank. The recovery system provided by the utility model is beneficial to improving the raw material utilization rate so as to reduce the production cost.
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