CN205556516U - Timed unit in crucial stage in high -quality cation etherifying agent building -up reactions - Google Patents

Abstract

The utility model discloses a timed unit in crucial stage in high -quality cation etherifying agent building -up reactions, it includes the trimethylamine, hydrochloric acid, mix and join in marriage the liquid cauldron, chloropropylene oxide, the initiating agent, the catalyst, synthetic reation kettle, back reation kettle, etherifying agent intermediate product jar, a timed unit, the 2nd timed unit, the 3rd timed unit, fourth timed unit, the 5th timed unit, the 6th timed unit, the 7th timed unit and the 8th timed unit, characterized by is in the crucial stage of cation etherifying agent building -up reactions, the close check time, for reacting more thoroughly, reactant among the whole process flow provides the time space, and improve whole technology throughput rate. Compared with the prior art, the utility model discloses cation etherifying agent that technology was accomplished has the crystallization, and to face boundary point low, and the impurity content is few, and process flow and standard have been standardized simultaneously to the high advantage that is showing of functional activity, have improved production efficiency, have reduced manufacturing cost, therefore have fine popularization and application and worth.

Description

The timed unit of critical stage in high-quality cationic etherifying agent synthetic reaction

One, technical field

This utility model relates to fine chemistry industry, the timed unit of critical stage in a kind of high-quality cationic etherifying agent synthetic reaction.

Two, background technology

Cationic etherifying agent, to in the various fields such as paper industry, textile industry, daily chemical industry, water treatment industry, petroleum industry, wide variety of multiple dispersant, diffusant, adhesive agent, filler, firming agent etc., activated by ionizing, improve its functional efficiency, reduce consumption, improve product quality, be respectively provided with notable and great facilitation.Thus, this product is recommended by those skilled in the art and payes attention to, and its range of application is increasingly wider, and demand is increasing.But, the performance of cationic etherifying agent functional efficiency, the number of consumption and the improvement of final effect, how by active matter content therein, influencing and controlling of the physical features factor such as impurity thing content and product color, acid-base value, dissolubility, crystallization critical point.And the some features in these factors are to be controlled to determine by the time of the critical stages such as the mixing rate of dispensing, response time, stabilization time in production procedure.

Three, summary of the invention

The purpose of this utility model is for problem above, it is provided that the timed unit of critical stage in a kind of high-quality cationic etherifying agent synthetic reaction, and the purpose of this utility model is achieved through the following technical solutions:

nullThe timed unit of critical stage in high-quality cationic etherifying agent synthetic reaction，It includes trimethylamine、Hydrochloric acid、Mixing dosing still、Epoxychloropropane、Initiator、Catalyst、Synthesis reaction vessel、Rear reactor、Etherifying agent intermediate products tank、First timed unit、Second timed unit、3rd timed unit、4th timed unit、5th timed unit、6th timed unit、7th timed unit、8th timed unit，It is characterized in that at trimethylamine、Hydrochloric acid、Epoxychloropropane、Initiator、Catalyst and mixing dosing still、Synthesis reaction vessel、Rear reactor、Etherifying agent intermediate products tank is formed by pipeline connection，It is respectively provided with the first timed unit and the second timed unit on the pipeline of the trimethylamine of cationic etherifying agent production line and hydrochloric acid connection mixing dosing still，Connect at mixing dosing still and epoxychloropropane and be respectively provided with the 3rd timed unit and the 4th timed unit on the pipeline of synthesis reaction vessel，The pipeline that initiator connects synthesis reaction vessel arranges the 5th timed unit，The pipeline that catalyst connects synthesis reaction vessel arranges the 6th timed unit，After synthesis reaction vessel connects, on the pipeline of reactor, the 7th timed unit is set，The pipeline that rear reactor connects etherifying agent intermediate products tank arranges the 6th timed unit.

The timed unit of critical stage in high-quality cationic etherifying agent synthetic reaction of the present utility model, compared with prior art, the time is strictly controlled on crucial sections extremely sensitive to the time in cationic etherifying agent synthetic reaction, the building-up process making etherifying agent is in the optimal environmental condition of reaction, and kept the enough time space of reaction, reduce unreacted remaining to greatest extent and generate impurity, guarantee is provided for producing stable high-quality product, specification workflow and standard simultaneously, improve production efficiency, reduce production cost.

Four, accompanying drawing explanation

Fig. 1 is the schematic flow sheet of the timed unit of critical stage in high-quality cationic etherifying agent synthetic reaction.

Five, detailed description of the invention

The technical solution of the utility model is implemented in newly-built No. two lines of Shandong, Dongying city Guo Fengjunda chemical science and technology limited company；

As shown in Figure 1, in the synthetic reaction flow process producing liquid cation etherifying agent CHPTAC (3-chloro-2-hydroxypropyl-trimethyl ammonium chloride), it is respectively provided with the first timed unit, the second timed unit, the 3rd timed unit, the 4th timed unit, the 5th timed unit, the 6th timed unit, the 7th timed unit, the 8th timed unit on critical stage, strictly controls the time.

Detailed description of the invention is as follows: arrange the first timed unit at trimethylamine with on the pipeline mixing dosing still, hydrochloric acid arranges the second timed unit with on the pipeline mixing dosing still, mixing dosing still arranges the 3rd timed unit on the pipeline of synthesis reaction vessel, epoxychloropropane arranges the 4th timed unit on the pipeline of synthesis reaction vessel, initiator arranges the 5th timed unit on the pipeline of synthesis reaction vessel, catalyst arranges the 6th timed unit on the pipeline of synthesis reaction vessel, synthesis reaction vessel arranges the 7th timed unit on the pipeline of rear reactor, rear reactor arranges the 8th timed unit on the pipeline of etherifying agent intermediate products tank.Regulate and control the first timed unit and be passed through trimethylamine, and control temperature, 8 hours used times, by 1:1 molar ratio, regulate and control the second timed unit and hydrochloric acid is squeezed into mixing dosing still, lower the temperature while stirring is all mixed, 1 hour used time, adjust 2 hours pH value used times；During trimethylamine hydrochloride transfers synthesis reaction vessel under the regulation and control of the 3rd timed unit, 0.5 hour used time, mix and blend, cool, control the 5th timed unit and add initiator, 1 hour used time, regulate and control the 4th timed unit again, the epoxychloropropane of example 1.05:1 equivalent dropping in molar ratio 8 hours, the most first 6 hours rate of addition are 2 times of latter 2 hours, when epoxychloropropane drop to 4.5 little time, control the 6th timed unit addition catalyst to be added through 3.5 hours, share time 8 hours, the primary liquid etherifying agent of reacted generation is heated, continue reaction 3 hours, the synthesis of liquid ether agent shares 12.5 hours；Reactor after the primary liquid etherifying agent generated is transferred under the regulation and control of the 7th timed unit, 0.5 hour this process used time, in rear reactor, it is warming up to 30-35 DEG C and maintains 3 hours, 3.5 hours pH value used times are adjusted after being again warming up to 50-55 DEG C, regulate and control the 8th timed unit and turn material to etherifying agent intermediate products tank, 0.5 hour used time, when rear reaction shares 7.5 hours.

Claims (1)

1. null1. the timed unit of critical stage in high-quality cationic etherifying agent synthetic reaction，It includes trimethylamine、Hydrochloric acid、Mixing dosing still、Epoxychloropropane、Initiator、Catalyst、Synthesis reaction vessel、Rear reactor、Etherifying agent intermediate products tank、First timed unit、Second timed unit、3rd timed unit、4th timed unit、5th timed unit、6th timed unit、7th timed unit、8th timed unit，It is characterized in that at trimethylamine、Hydrochloric acid、Epoxychloropropane、Initiator、Catalyst and mixing dosing still、Synthesis reaction vessel、Rear reactor、Etherifying agent intermediate products tank is formed by pipeline connection，It is respectively provided with the first timed unit and the second timed unit on the pipeline of the trimethylamine of cationic etherifying agent production line and hydrochloric acid connection mixing dosing still，Connect at mixing dosing still and epoxychloropropane and be respectively provided with the 3rd timed unit and the 4th timed unit on the pipeline of synthesis reaction vessel，The pipeline that initiator connects synthesis reaction vessel arranges the 5th timed unit，The pipeline that catalyst connects synthesis reaction vessel arranges the 6th timed unit，After synthesis reaction vessel connects, on the pipeline of reactor, the 7th timed unit is set，The pipeline that rear reactor connects etherifying agent intermediate products tank arranges the 6th timed unit.