Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Deep processing device and method for chloropropene co-product

A joint product and deep processing technology, applied in the field of separation and purification of chemical substances, to achieve the effect of convenient production, simple and easy refining process, and expanded production

Inactive Publication Date: 2018-09-04
BEFAR GROUP CO LTD
View PDF0 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a deep processing device and method for allyl chloride co-products to solve the recycling problem of DD mixture

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Deep processing device and method for chloropropene co-product
  • Deep processing device and method for chloropropene co-product
  • Deep processing device and method for chloropropene co-product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Such as figure 1 and figure 2 As shown, the first part and the second part of a chloropropene co-product deep processing device provided by the present invention are continuous vacuum rectification separation devices, including a first rectification tower 10, a second rectification tower 20, and a third rectification tower 30. The fourth rectification tower 40 and the fifth rectification tower 50, specifically:

[0041] The feed inlet of rectification first tower 10 is connected with rectification first tower feed pipeline 11, and the air outlet on the top of the tower is connected with the air inlet of rectification first tower top condenser 12, and the gas outlet of rectification first tower top condenser 12 Connected to the first rectification tower vacuum pump 13; the outlet of the first rectification tower overhead condenser 12 is connected to the feed port of the first rectification tower reflux tank 14; the outlet of the first rectification tower reflux tank 14...

Embodiment 2

[0052] The present invention also provides a method for deep processing of allyl chloride co-products, comprising the following steps:

[0053] (1) The DD mixture enters the first rectification tower through the feed pipeline, and after rectification and separation, the gas phase at the top of the tower enters the top condenser of the first rectification tower, and after being condensed with circulating water, the liquid phase enters the reflux tank of the first rectification tower , the uncondensed gas phase enters the first rectification tower vacuum pump to ensure the stability of the negative pressure in the tower; the material in the first rectification tower reflux tank is pressurized by the first rectification tower reflux pump, and part of it returns to the first rectification tower, and the other Part of it is used as the feed to the second rectification tower, and the feed amount is controlled by the feed regulating valve; the high boiler residue is produced from the ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a deep processing device and method for a chloropropene co-product. The deep processing device for the chloropropene co-product comprises a rectification tower 1, a rectification tower 2, a rectification tower 3, a rectification tower 4 and a rectification tower 5; and a continuous vacuum rectification separation device is adopted, and a DD mixed agent is used as a raw material, so that separation of trans-1,3-dichloropropene and cis-1,3-dichloropropene is achieved, and a concentration of the obtained cis-1,3-dichloropropene can reach 98% and meets a pharmaceutical grade standard. The device disclosed by the invention adopts vacuum operation, can greatly reduce energy consumption, and improve a product yield.

Description

technical field [0001] The invention relates to the technical field of separation and purification of chemical substances, and more specifically relates to a deep processing device and method for a chloropropene co-product. Background technique [0002] In the production process of chloropropene, 0.24 tons of DD mixture (a mixture of 1,3-dichloropropene and 1,2-dichloropropane) is produced per ton of chloropropene. At present, DD mixture has been listed in the national hazardous waste catalog. Domestic chlorine Most of the DD blends produced by propylene production units are sold to small manufacturers for rough processing, and most of them are produced intermittently, with low product utilization rate, poor product quality, and high discharge of three wastes. [0003] The DD mixture contains about 18% trans-1,3-dichloropropene and about 20% cis-1,3-dichloropropene. After extraction, these two products can be used as pesticides or pharmaceutical intermediates. The remaining...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C07C17/38C07C17/383C07C17/386C07C21/073
CPCC07C17/38C07B2200/09C07C17/383C07C17/386C07C21/073
Inventor 赵国良郭丰梁李岩山魏娟靳锡鹏张振
Owner BEFAR GROUP CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com