CN206173251U - A continuous production unit for liquid cation etherifying agent - Google Patents
A continuous production unit for liquid cation etherifying agent Download PDFInfo
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- CN206173251U CN206173251U CN201621131161.5U CN201621131161U CN206173251U CN 206173251 U CN206173251 U CN 206173251U CN 201621131161 U CN201621131161 U CN 201621131161U CN 206173251 U CN206173251 U CN 206173251U
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- static mixer
- etherifying agent
- liquid cation
- trimethylamine
- continuous production
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Abstract
The utility model belongs to the technical field of the chemical industry is synthetic, specificly relate to a continuous production unit for liquid cation etherifying agent. This kind of a continuous production unit for liquid cation etherifying agent is including trimethylamine hydrochloric acid synthesis system, liquid cation etherifying agent synthesis system, reation kettle and the rectifying column of establishing ties in proper order, trimethylamine hydrochloric acid synthesis system includes the synthetic tubular reactor of trimethylamine storage tank, hydrochloric acid storage tank and trimethylamine hydrochloric acid, liquid cation etherifying agent synthesis system includes the synthetic tubular reactor of chloropropylene oxide storage tank, catalyst elevated tank, initiating agent elevated tank and liquid cation etherifying agent. This continuous production unit adopts serialization tubular reactor to replace traditional cauldron formula apparatus for producing, and the maximum chloropropylene oxide of slowing down hydrolysises and the side reaction, when improving product stability and yield, has reduced the production volume of accessory substance.
Description
Technical field
This utility model belongs to the technical field of chemical industry synthesis, is specifically related to a kind of for liquid cation etherifying agent
Continuous production device.
Background technology
Liquid cation etherifying agent is a kind of cation quaternary ammonium salt, belongs to Multifunctional fine chemicals, can be with various substrate
Such as
Starch, cellulose, guar gum, polyacrylamide etc. reaction generate several functions chemicals, be widely used in papermaking,
The industries such as daily use chemicals, oil, water process, weaving.
Through the development of recent two decades, its market consumption rises year by year liquid cation etherifying agent.Existing production decision：
The hydrochloric acid solution of metering is added in enamel reaction still, metering front three amine gas is passed through by pipeline or is added trimethylamine water-soluble
Liquid, while being passed through enamel still chuck using -20 DEG C of coolant ethylene glycol, makes temperature of charge control between -10 to -5 DEG C, to have reacted
Bi Hou, under conditions of holding coolant persistently use, is slowly added dropwise epoxychloropropane, and Jing goes through guarantor after epoxychloropropane is dripped
The processes such as temperature, intensification, are obtained etherifying agent semi-finished product, and etherifying agent semi-finished product add activated carbon to stir Jing after stripper purification
Filter pressing afterwards is decolourized, and obtains etherifying agent finished product.
Liquid cation etherifying agent has entered large-scale production, but device design is still according to old gap method production
And simply amplify, course of reaction is manually controlled, and this production method has problems with：1. the quality poor repeatability of product, per batch
The quality of secondary product has difference, directly influences the application of downstream product；2. dependency of the operating parameter of gap method to people
Relatively strong, it is steady that the occasionality error of operator, the working condition of staff and operating technology level can all become product quality
Fixed obstacle.
The content of the invention
The purpose of this utility model is to provide a kind of for liquid cation etherifying agent for above-mentioned defect
Continuous production device, the continuous production device replaces traditional autoclave process units, maximum journey using serialization tubular reactor
The hydrolysis and side reaction that slow down epoxychloropropane of degree, while improving product stability and yield, reduces the product of by-product
Raw amount.
The technical solution of the utility model is：A kind of continuous production device for liquid cation etherifying agent, including according to
The trimethylamine hydrochloride synthesis system of secondary series connection, liquid cation etherifying agent synthesis system, reactor and rectifying column；The front three
Amine hydrochlorate synthesis system includes trimethylamine storage tank, hydrochloric acid tank and trimethylamine hydrochloride synthesis tubular reactor；Front three amine salt
Hydrochlorate synthesis tubular reactor includes static mixer I and static mixer II, and wherein the discharging opening of static mixer I is by anti-
Should pipe I be connected with the charging aperture of static mixer II；Trimethylamine storage tank is by trimethylamine effusion meter and arm and static mixing
The charging aperture of device I is connected, and hydrochloric acid tank is connected by hydrochloric acid effusion meter and arm with the charging aperture of static mixer I；Trimethylamine
Hydrochlorate synthesis tubular reactor is externally provided with chuck；Static mixer I and static mixer II are equipped with online pH meter and online
Thermometer；The liquid cation etherifying agent synthesis system includes that epoxychloropropane storage tank, catalyst head tank, initiator are high-order
Groove and liquid cation etherifying agent synthesis tubular reactor；Liquid cation etherifying agent synthesis tubular reactor includes static mixing
Device III and static mixer IV, the wherein discharging opening of static mixer III are by reaction tube II and the charging aperture of static mixer IV
It is connected；Epoxychloropropane storage tank is connected by epoxychloropropane effusion meter and arm with the charging aperture of static mixer III, is urged
Agent head tank is connected by catalyst flow meter and arm with the charging aperture of static mixer III, and initiator head tank is by drawing
Send out agent flux meter and arm is connected with the charging aperture of static mixer III；The discharging opening of the static mixer II passes through trimethylamine
Hydrochlorate effusion meter and arm are connected with the charging aperture of static mixer III；Outside liquid cation etherifying agent synthesis tubular reactor
It is provided with chuck；Static mixer III and static mixer IV are equipped with online pH meter and online thermometer.
Chuck outside the trimethylamine hydrochloride synthesis tubular reactor is provided with refrigerant inlet and refrigerant exit, wherein coolant
Entrance is located near one end of static mixer I, and refrigerant exit is located near one end of static mixer II.
Chuck outside the liquid cation etherifying agent synthesis tubular reactor is provided with refrigerant inlet and refrigerant exit, wherein
Refrigerant inlet is located near one end of static mixer III, and refrigerant exit is located near one end of static mixer IV.
Also include DCS automation control systems.DCS automation control systems connection control electromagnetic valve, online pH meter,
Line thermometer and each effusion meter.Traditional manual operation control is replaced using DCS automation control systems in course of reaction, it is more smart
True control simultaneously records addition, pH value and the temperature of reactant, reduces operator's quantity, eliminates anthropic factor and brings
Error and deviation, make product quality more stable.
The static mixer II and static mixer IV are provided with sample tap.
The trimethylamine effusion meter and hydrochloric acid effusion meter are mass flowmenter.
The epoxychloropropane effusion meter, catalyst flow meter, initiator stream gauge and trimethylamine hydrochloride effusion meter are equal
For mass flowmenter.
The beneficial effects of the utility model are：Continuous production for liquid cation etherifying agent described in the utility model is filled
Put with traditional handicraft using gap autoclave process units compared with, the product quality that the continuous production device is produced stably may be used
Lean on, production efficiency is high.Continuously produced using tubular reactor, while catalyst, initiator in precise control course of reaction
Addition, effectively shorten the response time.The outer set chuck of tubular reactor can play effective cooling effect, with online temperature
Meter collective effect precise control reaction temperature.
The continuous production device controls the Deca/addition of feed liquid by each effusion meter, online pH meter and online thermometer
Amount and Deca/addition speed, farthest slow down the hydrolysis and side reaction of epoxychloropropane, improve the stability of product
And yield, reduce the yield of by-product.
In sum, the process units can be produced continuously, and various operating parameters are stablized, and are controlled automatically using DCS
Systematic collaboration auxiliary processed, eliminates error and deviation that manual operation brings, makes product quality more stable.
Description of the drawings
Fig. 1 is the knot of the continuous production device in this utility model specific embodiment for liquid cation etherifying agent
Structure schematic diagram.
Wherein, 1 is trimethylamine storage tank, and 2 is hydrochloric acid tank, and 3 is static mixer I, and 4 is static mixer II, and 5 are reaction
Pipe I, 6 is trimethylamine effusion meter, and 7 is arm, and 8 is hydrochloric acid effusion meter, and 9 is chuck, and 10 is online pH meter, and 11 is online temperature
Meter, 12 is epoxychloropropane storage tank, and 13 is catalyst head tank, and 14 is initiator head tank, and 15 is static mixer III, and 16 are
Static mixer IV, 17 is reaction tube II, and 18 is epoxychloropropane effusion meter, and 19 is catalyst flow meter, and 20 is initiator stream
Gauge, 21 is trimethylamine hydrochloride effusion meter, and 22 is refrigerant inlet, and 23 is refrigerant exit, and 24 is sample tap.
Specific embodiment
Below in conjunction with the accompanying drawings, the technical solution of the utility model is described in detail.
From figure 1 it appears that a kind of continuous production device for liquid cation etherifying agent of the present utility model, bag
Include trimethylamine hydrochloride synthesis system, liquid cation etherifying agent synthesis system, reactor and the rectifying column being sequentially connected in series；It is described
Trimethylamine hydrochloride synthesis system includes trimethylamine storage tank 1, hydrochloric acid tank 2 and trimethylamine hydrochloride synthesis tubular reactor；Three
Methylamine hydrochloride synthesis tubular reactor includes static mixer I 3 and static mixer II 4, and wherein static mixer I 3 goes out
Material mouth is connected by reaction tube I 5 with the charging aperture of static mixer II 4；Trimethylamine storage tank 1 passes through the He of trimethylamine effusion meter 6
Arm 7 is connected with the charging aperture of static mixer I 3, and hydrochloric acid tank 2 is by hydrochloric acid effusion meter 8 and arm 7 and static mixer I 3
Charging aperture be connected；Trimethylamine hydrochloride synthesis tubular reactor is externally provided with chuck 9；Static mixer I 3 and static mixer II
4 are equipped with online pH meter 10 and online thermometer 11；The liquid cation etherifying agent synthesis system is stored up including epoxychloropropane
Tank 12, catalyst head tank 13, initiator head tank 14 and liquid cation etherifying agent synthesis tubular reactor；Liquid cation
Etherifying agent synthesis tubular reactor includes static mixer III 15 and static mixer IV 16, and wherein static mixer III 15 goes out
Material mouth is connected by reaction tube II 17 with the charging aperture of static mixer IV 16；Epoxychloropropane storage tank 12 passes through epoxy chloropropionate
Alkane effusion meter 18 and arm 7 are connected with the charging aperture of static mixer III 15, and catalyst head tank 13 passes through catalyst flow meter
19 and arm 7 be connected with the charging aperture of static mixer III 15, initiator head tank 14 is by initiator stream gauge 20 and arm 7
It is connected with the charging aperture of static mixer III 15；The discharging opening of the static mixer II 4 passes through trimethylamine hydrochloride effusion meter
21 and arm 7 be connected with the charging aperture of static mixer III 15；Liquid cation etherifying agent synthesis tubular reactor is externally provided with folder
Set 9；Static mixer III 15 and static mixer IV 16 are equipped with online pH meter 10 and online thermometer 11.
Chuck outside the trimethylamine hydrochloride synthesis tubular reactor is provided with refrigerant inlet 22 and refrigerant exit 23, wherein
Refrigerant inlet 22 is located near one end of static mixer I 3, and refrigerant exit 23 is located near one end of static mixer II 4.
Chuck outside the liquid cation etherifying agent synthesis tubular reactor is provided with refrigerant inlet 22 and refrigerant exit 23,
Wherein refrigerant inlet 22 is located near one end of static mixer III 15, and refrigerant exit 23 is located near static mixer IV 16
One end.
Also include DCS automation control systems.DCS automation control systems connection control electromagnetic valve, online pH meter,
Line thermometer and each effusion meter.Traditional manual operation control is replaced using DCS automation control systems in course of reaction, it is more smart
True control simultaneously records addition, pH value and the temperature of reactant, reduces operator's quantity, eliminates anthropic factor and brings
Error and deviation, make product quality more stable.
The static mixer II 4 and static mixer IV 16 are provided with sample tap 24.
The trimethylamine effusion meter 6 and hydrochloric acid effusion meter 8 are mass flowmenter.
The epoxychloropropane effusion meter 18, catalyst flow meter 19, initiator stream gauge 20 and trimethylamine hydrochloride stream
Gauge 21 is mass flowmenter.
Trimethylamine hydrochloride synthesis system：Trimethylamine reacts with hydrochloric acid in trimethylamine hydrochloride synthesis tubular reactor,
Generate trimethylamine hydrochloride；Liquid cation etherifying agent synthesis system：Trimethylamine hydrochloride, epoxychloropropane, catalyst, initiation
Liquid cation etherifying agent synthesis tubular reactor is continuously squeezed in agent, while being furnished with corresponding each effusion meter, controls front three amine salt
Hydrochlorate, epoxychloropropane, catalyst, the addition of initiator and addition speed.
Trimethylamine hydrochloride synthesis system and liquid cation etherifying agent synthesis system are additionally provided with online pH meter, online temperature
Degree meter, detects that trimethylamine hydrochloride synthesizes tubular reactor pH value and exists by online pH meter in trimethylamine hydrochloride synthesis system
When 3.0~7.0, trimethylamine hydrochloride synthetic reaction terminates；By the online pH meter detection of liquid cation etherifying agent synthesis system
PH value liquid cation etherifying agent synthesizes tubular reactor at 7.0~9.0, and liquid cation etherifying agent synthetic reaction terminates.
Online thermometer adjusts trimethylamine hydrochloride synthesis tubular reactor temperature in trimethylamine hydrochloride synthesis system, and maintains its temperature
Degree is at -10~-5 DEG C；Online thermometer adjusts liquid cation etherifying agent composite tube in liquid cation etherifying agent synthesis system
Formula temperature of reactor, and its temperature is maintained at -5 DEG C~0 DEG C.
After liquid cation etherifying agent synthetic reaction terminates, the discharging opening of static mixer IV is connected with reactor, feed liquid
5 DEG C in a kettle .~10 DEG C insulations, 2 hours, obtain etherifying agent crude product.Crude product adds activated carbon to stir Jing after rectifying column purification
Mix uniform rear filter pressing to decolourize, the etherifying agent finished product of system.
Claims (7)
1. a kind of continuous production device for liquid cation etherifying agent, it is characterised in that including the trimethylamine being sequentially connected in series
Hydrochlorate synthesis system, liquid cation etherifying agent synthesis system, reactor and rectifying column；The trimethylamine hydrochloride synthesis system
System includes trimethylamine storage tank, hydrochloric acid tank and trimethylamine hydrochloride synthesis tubular reactor；Trimethylamine hydrochloride synthesis tubular type is anti-
Device is answered to include static mixer I and static mixer II, the wherein discharging opening of static mixer I is mixed by reaction tube I with static state
The charging aperture of clutch II is connected；Trimethylamine storage tank passes through the charging aperture phase of trimethylamine effusion meter and arm and static mixer I
Even, hydrochloric acid tank is connected by hydrochloric acid effusion meter and arm with the charging aperture of static mixer I；Trimethylamine hydrochloride synthesizes tubular type
Reactor is externally provided with chuck；Static mixer I and static mixer II are equipped with online pH meter and online thermometer；The liquid
Cationic etherifying agent synthesis system includes epoxychloropropane storage tank, catalyst head tank, initiator head tank and liquid cation
Etherifying agent synthesizes tubular reactor；Liquid cation etherifying agent synthesis tubular reactor includes static mixer III and static mixing
Device IV, the wherein discharging opening of static mixer III are connected by reaction tube II with the charging aperture of static mixer IV；Epoxy chlorine
Propane tank is connected by epoxychloropropane effusion meter and arm with the charging aperture of static mixer III, and catalyst head tank passes through
Catalyst flow meter and arm are connected with the charging aperture of static mixer III, and initiator head tank is by initiator stream gauge and props up
Pipe is connected with the charging aperture of static mixer III；The discharging opening of the static mixer II by trimethylamine hydrochloride effusion meter and
Arm is connected with the charging aperture of static mixer III；Liquid cation etherifying agent synthesis tubular reactor is externally provided with chuck；It is static
Blender III and static mixer IV are equipped with online pH meter and online thermometer.
2. the continuous production device of liquid cation etherifying agent is used for according to claim 1, it is characterised in that the front three
Chuck outside amine hydrochlorate synthesis tubular reactor is provided with refrigerant inlet and refrigerant exit, and wherein refrigerant inlet is located near static
One end of blender I, refrigerant exit is located near one end of static mixer II.
3. the continuous production device of liquid cation etherifying agent is used for according to claim 1, it is characterised in that the liquid
Chuck outside cationic etherifying agent synthesis tubular reactor is provided with refrigerant inlet and refrigerant exit, and wherein refrigerant inlet is located at close
One end of static mixer III, refrigerant exit is located near one end of static mixer IV.
4. the continuous production device of liquid cation etherifying agent is used for according to claim 1, it is characterised in that also included
DCS automation control systems.
5. the continuous production device of liquid cation etherifying agent is used for according to claim 1, it is characterised in that the static state
Blender II and static mixer IV are provided with sample tap.
6. the continuous production device of liquid cation etherifying agent is used for according to claim 1, it is characterised in that the front three
Amine effusion meter and hydrochloric acid effusion meter are mass flowmenter.
7. the continuous production device of liquid cation etherifying agent is used for according to claim 1, it is characterised in that the epoxy
Chloropropane effusion meter, catalyst flow meter, initiator stream gauge and trimethylamine hydrochloride effusion meter are mass flowmenter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621131161.5U CN206173251U (en) | 2016-10-18 | 2016-10-18 | A continuous production unit for liquid cation etherifying agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621131161.5U CN206173251U (en) | 2016-10-18 | 2016-10-18 | A continuous production unit for liquid cation etherifying agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206173251U true CN206173251U (en) | 2017-05-17 |
Family
ID=58677970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621131161.5U Active CN206173251U (en) | 2016-10-18 | 2016-10-18 | A continuous production unit for liquid cation etherifying agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206173251U (en) |
-
2016
- 2016-10-18 CN CN201621131161.5U patent/CN206173251U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A continuous production device for liquid cationic etherifying agent Effective date of registration: 20220402 Granted publication date: 20170517 Pledgee: Jining Yanzhou sub branch of Rizhao Bank Co.,Ltd. Pledgor: SHANDONG TIANCHENG CHEMICAL Co.,Ltd. Registration number: Y2022980003847 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230417 Granted publication date: 20170517 Pledgee: Jining Yanzhou sub branch of Rizhao Bank Co.,Ltd. Pledgor: SHANDONG TIANCHENG CHEMICAL Co.,Ltd. Registration number: Y2022980003847 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Continuous Production Device for Liquid Cationic Etherification Agents Effective date of registration: 20230526 Granted publication date: 20170517 Pledgee: Jining Yanzhou sub branch of Rizhao Bank Co.,Ltd. Pledgor: SHANDONG TIANCHENG CHEMICAL Co.,Ltd. Registration number: Y2023980041812 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |