WO2023108837A1 - 一种三甲胺盐酸盐的高效率连续化生产装置 - Google Patents

一种三甲胺盐酸盐的高效率连续化生产装置 Download PDF

Info

Publication number
WO2023108837A1
WO2023108837A1 PCT/CN2022/000033 CN2022000033W WO2023108837A1 WO 2023108837 A1 WO2023108837 A1 WO 2023108837A1 CN 2022000033 W CN2022000033 W CN 2022000033W WO 2023108837 A1 WO2023108837 A1 WO 2023108837A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipeline
adjustment tank
static mixer
continuous production
circulation pipe
Prior art date
Application number
PCT/CN2022/000033
Other languages
English (en)
French (fr)
Inventor
朱年德
Original Assignee
山东天成万丰投资有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 山东天成万丰投资有限公司 filed Critical 山东天成万丰投资有限公司
Publication of WO2023108837A1 publication Critical patent/WO2023108837A1/zh

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75—Discharge mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/68—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
    • C07C209/74—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton by halogenation, hydrohalogenation, dehalogenation, or dehydrohalogenation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00—Compounds containing amino groups bound to a carbon skeleton
    • C07C211/01—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms
    • C07C211/02—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
    • C07C211/03—Monoamines
    • C07C211/04—Mono-, di- or tri-methylamine

Definitions

  • the invention relates to the technical field of industrial synthesis, in particular to a high-efficiency continuous production device for trimethylamine hydrochloride.
  • Trimethylamine hydrochloride is an important chemical raw material, which is often used in the synthesis of cationic etherification agent, choline chloride and ion exchange resin.
  • the production of trimethylamine hydrochloride is to react trimethylamine and hydrochloric acid in an equimolar ratio. The reaction process is violent and generates a lot of heat.
  • the traditional production process generally uses a trimethylamine feed pump to slowly pump trimethylamine into a reaction tank with hydrochloric acid, and circulates through a tank circulation pump through a graphite cooler to achieve the purpose of mixing and removing reaction heat.
  • the current process It is necessary to strictly control the feeding speed of trimethylamine.
  • the present invention provides a high-efficiency continuous production device for trimethylamine hydrochloride, which has high safety, can be produced continuously, and improves production efficiency. efficiency.
  • the invention provides a high-efficiency continuous production device for trimethylamine hydrochloride, which includes a pipeline static mixer, a tubular reactor, a pH adjustment tank A, and a pH adjustment tank B.
  • the side of the pipeline static mixer is provided with It can be connected to the feed port of the trimethylamine feed pipe, and the bottom of the pipeline static mixer is provided with a feed port that can be connected to the hydrochloric acid feed pipe, and the discharge port of the pipe static mixer is connected to the feed port of the tubular reactor , the discharge port of the tube-and-tube reactor is respectively connected to the feed ports of the pH adjustment tank A and the pH adjustment tank B through pipelines;
  • the pipeline static mixer is provided with a vibration-stopping mechanism.
  • the anti-vibration mechanism includes fixed plates distributed on both sides of the pipeline static mixer, and a spring is connected between each fixed plate and the pipeline static mixer. The function avoids the vibration caused by the rapid gasification of trimethylamine in the traditional process, and the materials fully mixed in the pipeline static mixer enter the tube side of the reactor from the lower part of the tubular main reactor for rapid reaction.
  • a circulation pipe A is provided outside the pH adjustment tank A, one end of the circulation pipe A is connected to the top of the pH adjustment tank A, the other end of the circulation pipe A is connected to the discharge port at the bottom of the pH adjustment tank A, and the circulation pipe A is provided with a circulation pump A, condenser A.
  • a circulation pipe B outside the pH adjustment tank B, one end of the circulation pipe B is connected to the top of the pH adjustment tank B, and the other end of the circulation pipe B is connected to the discharge port at the bottom of the pH adjustment tank B, and the circulation pipe B is equipped with a circulation pump B and a condenser B .
  • the purpose is to pump the material from the bottom of the tank to the upper part of the tank through the circulating pump to ensure uniform material, and at the same time use the condenser to unload the residual heat of the reaction.
  • the top of the pH adjustment tank A is provided with a feed pipe A for the regulator I and a feed pipe A for the regulator II.
  • the top of the pH adjustment tank B is provided with a regulator I feeding pipeline B and a regulator II feeding pipeline B.
  • the purpose of the two pipelines on the top of the tank is to feed hydrochloric acid and trimethylamine respectively through the two pipelines of the tank.
  • Regulator I is hydrochloric acid
  • regulator II is trimethylamine.
  • Hydrochloric acid or trimethylamine can be used to further adjust the pH of the material.
  • the pH value is buffered and stabilized in the adjustment tank to ensure the stability of product indicators.
  • a first flexible joint is provided on the pipeline connecting the pipeline static mixer and the tube-and-tube reactor, and a second flexible joint is provided on the hydrochloric acid feed pipeline.
  • the purpose is to provide a flexible connection between the pipeline and the pipeline static mixer, and further reduce the influence of the vibration of the pipeline static mixer on the connecting pipeline.
  • the present invention uses the pipe-type static mixer to quickly mix and mass-transfer the accurately metered trimethylamine and hydrochloric acid.
  • the pipe-type static mixer is equipped with a vibration-stopping mechanism, which avoids the vibration caused by the rapid gasification of trimethylamine in the traditional process , high security;
  • the material of the present invention enters the tube side of the reactor from the lower part of the tubular reactor after being fully mixed by the pipeline static mixer for rapid reaction, and the heat of reaction is quickly unloaded through the circulating water of the shell side, reducing the system temperature;
  • Fig. 1 is a schematic structural diagram of a specific embodiment of the present invention.
  • the high-efficiency continuous production device of trimethylamine hydrochloride comprises pipeline static mixer 2, tubular reactor 4, pH adjustment tank A5, pH adjustment tank B8, pipeline static mixer
  • the side of the mixer 2 is provided with a feed port that can be connected to the trimethylamine feed pipeline 11, and the bottom of the pipeline static mixer 2 is provided with a feed port that can be connected to the hydrochloric acid feed pipeline 14, and the pipeline static mixer 2 discharge ports
  • the 4 inlets of the tube-and-tube reactor are connected through pipelines, and the outlets of the tube-and-tube reactor 4 are respectively connected to the inlets of the pH adjustment tank A5 and the pH adjustment tank B8 through pipelines;
  • the pipeline static mixer 2 is provided with a vibration stop mechanism.
  • the anti-vibration mechanism includes fixed plates 1 distributed on both sides of the pipeline static mixer 2 , and a spring 12 is connected between each fixed plate 1 and the pipeline static mixer 2 .
  • circulation pipe A17 outside the pH adjustment tank A5, one end of the circulation pipe A17 is connected to the top of the pH adjustment tank A5, the other end of the circulation pipe A17 is connected to the discharge port at the bottom of the pH adjustment tank A5, and the circulation pipe A17 is equipped with a circulation pump A6 and a condenser A7 .
  • circulation pipe B20 outside the pH adjustment tank B8, one end of the circulation pipe B20 is connected to the top of the pH adjustment tank B8, the other end of the circulation pipe B20 is connected to the discharge port at the bottom of the pH adjustment tank B8, and the circulation pipe B20 is equipped with a circulation pump B9 and a condenser B10 .
  • the top of the pH adjustment tank A5 is provided with a regulator I feeding pipeline A15 and a regulator II feeding pipeline A16.
  • the top of the pH adjustment tank B8 is provided with a regulator I feeding pipeline B18 and a regulator II feeding pipeline B19.
  • a first flexible joint 3 is provided on the pipeline connecting the pipeline static mixer 2 and the tube-and-tube reactor 4 .
  • the hydrochloric acid feed pipeline 14 is provided with a second flexible joint 13 .
  • raw material trimethylamine, hydrochloric acid enter pipeline static mixer 2 from trimethylamine feed pipeline 11, hydrochloric acid feed pipeline 14 respectively, trimethylamine and hydrochloric acid are carried out fast at pipeline static mixer 2 Mixing and mass transfer, at the same time, the pipeline static mixer 2 is equipped with a vibration-stop mechanism, which avoids the vibration caused by the rapid gasification of trimethylamine in the traditional process, and has high safety.
  • the lower part of the tubular reactor 4 enters the tube side of the reactor for rapid reaction.
  • the tubular reactor 4 is made of graphite material with good corrosion resistance and excellent heat transfer performance. The reaction heat is quickly unloaded through the circulating water at the shell side, reducing the system temperature.
  • the material after the reaction enters the pH adjustment tank A5, the pH adjustment tank B8, and feeds trimethylamine or hydrochloric acid in the tank to adjust the pH.
  • the pH adjustment tank of the present invention is set to two, and enters the discharge state after one completes the pH adjustment At the same time, another pH adjustment tank is used to ensure the continuous operation of the system, which is conducive to continuous production and improves production efficiency.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

一种三甲胺盐酸盐的连续化生产装置，包括管道式静态混合器（2）、列管式反应器（4）、pH调节罐A（5）、pH调节罐B（8），管道式静态混合器（2）侧部设置有能够连接三甲胺进料管道（11）的进料口，管道式静态混合器（2）底部设置有能够连接盐酸进料管道（14）的进料口，管道式静态混合器（2）出料口通过管道连接列管式反应器（4）进料口，列管式反应器（4）出料口通过管道分别连接pH调节罐A（5）、pH调节罐B（8）的进料口；管道式静态混合器（2）设有止振机构。

Description

一种三甲胺盐酸盐的高效率连续化生产装置 技术领域
本发明涉及工业合成技术领域，具体涉及一种三甲胺盐酸盐的高效率连续化生产装置。
背景技术
三甲胺盐酸盐为重要的化工原料，常被应用于阳离子醚化剂、氯化胆碱以及离子交换树脂等的合成。三甲胺盐酸盐的生产是以三甲胺与盐酸按等摩尔配比进行反应。反应过程剧烈，生成热量大。传统生产工艺一般是利用三甲胺进料泵，将三甲胺缓慢泵入置有盐酸的反应罐中，并通过罐体循环泵经石墨冷却器打循环，达到混合及移除反应热的目的，目前工艺需严格控制三甲胺的加料速度，若速度过快，势必造成局部温度过高，三甲胺快速汽化，引起罐体振动，出现“放炮”现象，安全性低，且影响连续化生产，生产效率低。
发明内容
针对现有技术三甲胺盐酸盐合成中安全性低、效率低等问题，本发明提供一种三甲胺盐酸盐的高效率连续化生产装置，安全性高，可连续化生产，提高了生产效率。
本发明提供一种三甲胺盐酸盐的高效率连续化生产装置，包括管道式静态混合器、列管式反应器、pH调节罐A、pH调节罐B，管道式静态混合器侧部设置有能够连接三甲胺进料管道的进料口，管道式静态混合器底部设置有能够连接盐酸进料管道的进料口，管道式静态混合器出料口通过管道连接列管式反应器进料口，列管式反应器出料口通过管道分别连接pH调节罐A、pH调节罐B的进料口；管道式静态混合器设有止振机构。
进一步的，止振机构包括分布于管道式静态混合器两侧的固定板，每个固定板与管道式静态混合器之间连接有弹簧，止振机构可为管道式静态混合器提供缓冲止振作用，避免了传统工艺三甲胺快速气化引起的振动，在管道式静态混合器充分混合的物料从列管式主反应器下部进入反应器管程进行快速反应。
进一步的，pH调节罐A外部设有循环管A，循环管A一端连接pH调节罐A顶部，循环管A另一端连接pH调节罐A底部排料口，循环管A上设有循环泵A、冷凝器A。pH调节罐B外部设有循环管B，循环管B一端连接pH调节罐B顶部，循环管B另一端连接pH调节罐B底部排料口，循环管B上设有循环泵B、冷凝器B。目的在于，物料从罐内底部经循环泵泵入罐内上部，确保物料均一，同时利用冷凝器卸载反应余热。
进一步的，pH调节罐A顶部设有调节剂I进料管道A及调节剂II进料管道A。pH调节罐B顶部设有调节剂I进料管道B及调节剂II进料管道B。罐顶部的两个管道目的在于，通过罐的两条管道分别通入盐酸和三甲胺，调节剂I为盐酸，调节剂II为三甲胺，可利用盐酸或三甲胺对物料pH进行进一步调整，物料pH值在调节罐内进行缓冲及稳定，保证了产品指标的稳定。
进一步的，管道式静态混合器与列管式反应器连接的管道上设有第一柔性接头，盐酸进料管道上设有第二柔性接头。目的在于，管道和管道式静态混合器提供柔性连接，进一步减缓管道式静态混合器振动时对连接管道的影响。
本发明的有益效果在于：
(1)本发明通过管道式静态混合器将计量准确的三甲胺与盐酸进行快速混合和传质，同时，管道式静态混合器设置止振机构，避免了传统工艺三甲胺快速气化引起的振动，安全性高；
(2)本发明物料经管道式静态混合器充分混合后从列管式反应器下部进入反应器管程进行快速反应，反应热通过壳程的循环水快速卸载，降低了体系温度；
(3)本发明pH调节罐设置为两台，在一台完成pH调整后进入放料状态，同时启用另一台pH调节罐，保证系统的连续运行，有利于连续化生产，提高生产效率。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，对于本领域普通技术人员而言，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明具体实施方式结构示意图。
图中，1-固定板，2-管道式静态混合器，3-第一柔性接头，4-列管式反应器，5-pH调节罐A，6-循环泵A，7-冷凝器A，8-pH调节罐B，9-循环泵B，10-冷凝器B，11-三甲胺进料管道，12-弹簧，13-第二柔性接头，14-盐酸进料管道，15-调节剂I进料管道A，16-调节剂II进料管道A，17-循环管A，18-调节剂I进料管道B，19-调节剂II进料管道B，20-循环管B。
具体实施方式
为了使本技术领域的人员更好地理解本发明中的技术方案，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术 人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本发明保护的范围。
实施例1
如图1，本发明所述的三甲胺盐酸盐的高效率连续化生产装置，包括管道式静态混合器2、列管式反应器4、pH调节罐A5、pH调节罐B8，管道式静态混合器2侧部设置有能够连接三甲胺进料管道11的进料口，管道式静态混合器2底部设置有能够连接盐酸进料管道14的进料口，管道式静态混合器2出料口通过管道连接列管式反应器4进料口，列管式反应器4出料口通过管道分别连接pH调节罐A5、pH调节罐B8的进料口；管道式静态混合器2设有止振机构。
止振机构包括分布于管道式静态混合器2两侧的固定板1，每个固定板1与管道式静态混合器2之间连接有弹簧12。
pH调节罐A5外部设有循环管A17，循环管A17一端连接pH调节罐A5顶部，循环管A17另一端连接pH调节罐A5底部排料口，循环管A17上设有循环泵A6、冷凝器A7。pH调节罐B8外部设有循环管B20，循环管B20一端连接pH调节罐B8顶部，循环管B20另一端连接pH调节罐B8底部排料口，循环管B20上设有循环泵B9、冷凝器B10。
pH调节罐A5顶部设有调节剂I进料管道A15及调节剂II进料管道A16。pH调节罐B8顶部设有调节剂I进料管道B18及调节剂II进料管道B19。
管道式静态混合器2与列管式反应器4连接的管道上设有第一柔性接头3。盐酸进料管道14上设有第二柔性接头13。
如图1，本发明工作时，原料三甲胺、盐酸分别从三甲胺进料管道11、盐酸进料管道14进入管道式静态混合器2，在管道式静态混合器2将三甲胺与盐酸进行快速混合和传质，同时，管道式静态混合器2设置止振机构，避免了传统工艺三甲胺快速气化引起的振动，安全性高，本发明物料经管道式静态混合器2充分混合后从列管式反应器4下部进入反应器管程进行快速反应，列管式反应器4采用耐腐蚀性能好、传热性能优良的石墨材质，反应热通过壳程的循环水快速卸载，降低了体系温度；反应后的物料进入pH调节罐A5、pH调节罐B8，在罐内通入三甲胺或盐酸进行pH调节，本发明pH调节罐设置为两台，在一台完成pH调整后进入放料状态，同时启用另一台pH调节罐，保证系统的连续运行，有利于连续化生产，提高生产效率。
尽管通过参考附图并结合优选实施例的方式对本发明进行了详细描述，但本发明并不限于此。在不脱离本发明的精神和实质的前提下，本领域普通技术人员可以对本发明的实施例 进行各种等效的修改或替换，而这些修改或替换都应在本发明的涵盖范围内/任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。

Claims (8)

  1. 一种三甲胺盐酸盐的高效率连续化生产装置，其特征在于，包括管道式静态混合器、列管式反应器、pH调节罐A、pH调节罐B，管道式静态混合器侧部设置有能够连接三甲胺进料管道的进料口，管道式静态混合器底部设置有能够连接盐酸进料管道的进料口，管道式静态混合器出料口通过管道连接列管式反应器进料口，列管式反应器出料口通过管道分别连接pH调节罐A、pH调节罐B的进料口；管道式静态混合器设有止振机构。
  2. 如权利要求1所述的三甲胺盐酸盐的高效率连续化生产装置，其特征在于，止振机构包括分布于管道式静态混合器两侧的固定板，每个固定板与管道式静态混合器之间连接有弹簧。
  3. 如权利要求1所述的三甲胺盐酸盐的高效率连续化生产装置，其特征在于，pH调节罐A外部设有循环管A，循环管A一端连接pH调节罐A顶部，循环管A另一端连接pH调节罐A底部排料口，循环管A上设有循环泵A、冷凝器A。
  4. 如权利要求1所述的三甲胺盐酸盐的高效率连续化生产装置，其特征在于，pH调节罐B外部设有循环管B，循环管B一端连接pH调节罐B顶部，循环管B另一端连接pH调节罐B底部排料口，循环管B上设有循环泵B、冷凝器B。
  5. 如权利要求1所述的三甲胺盐酸盐的高效率连续化生产装置，其特征在于，pH调节罐A顶部设有调节剂I进料管道A及调节剂II进料管道A。
  6. 如权利要求1所述的三甲胺盐酸盐的高效率连续化生产装置，其特征在于，pH调节罐B顶部设有调节剂I进料管道B及调节剂II进料管道B。
  7. 如权利要求1所述的三甲胺盐酸盐的高效率连续化生产装置，其特征在于，管道式静态混合器与列管式反应器连接的管道上设有第一柔性接头。
  8. 如权利要求1所述的三甲胺盐酸盐的高效率连续化生产装置，其特征在于，盐酸进料管道上设有第二柔性接头。
PCT/CN2022/000033 2021-12-13 2022-03-08 一种三甲胺盐酸盐的高效率连续化生产装置 WO2023108837A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202123124618.3 2021-12-13
CN202123124618.3U CN216704322U (zh) 2021-12-13 2021-12-13 一种三甲胺盐酸盐的高效率连续化生产装置

Publications (1)

Publication Number Publication Date
WO2023108837A1 true WO2023108837A1 (zh) 2023-06-22

Family

ID=81882174

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/000033 WO2023108837A1 (zh) 2021-12-13 2022-03-08 一种三甲胺盐酸盐的高效率连续化生产装置

Country Status (2)

Country Link
CN (1) CN216704322U (zh)
WO (1) WO2023108837A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115636751A (zh) * 2022-06-14 2023-01-24 山东一飞药业股份有限公司 一种三甲胺盐酸盐生产工艺

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203683428U (zh) * 2014-02-17 2014-07-02 无锡市杨市化工有限公司 四甲基乙二胺的制备装置
CN104130130A (zh) * 2013-05-01 2014-11-05 英威达科技公司 使用补充二胺混合的尼龙盐溶液制备方法
CN205042462U (zh) * 2015-10-20 2016-02-24 山东恩贝科技有限公司 一种三甲胺与盐酸连续合成反应连接管路
CN205061931U (zh) * 2015-10-20 2016-03-02 山东恩贝科技有限公司 一种在线连续合成反应器
US20160075827A1 (en) * 2013-05-01 2016-03-17 Invista North America S.A R.L. Nylon salt solution preparation processes with trim diamine
CN109180502A (zh) * 2018-08-09 2019-01-11 绍兴东湖高科股份有限公司 利用矮壮素生产尾气生产氯化胆碱的管式反应器及方法
CN208786372U (zh) * 2018-08-16 2019-04-26 泰安汉威集团有限公司 氯化胆碱生产自动控制成盐反应ph值的装置
CN210815146U (zh) * 2019-08-28 2020-06-23 山东长信化学科技股份有限公司 一种稳定nmp反应投料装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104130130A (zh) * 2013-05-01 2014-11-05 英威达科技公司 使用补充二胺混合的尼龙盐溶液制备方法
US20160075827A1 (en) * 2013-05-01 2016-03-17 Invista North America S.A R.L. Nylon salt solution preparation processes with trim diamine
CN203683428U (zh) * 2014-02-17 2014-07-02 无锡市杨市化工有限公司 四甲基乙二胺的制备装置
CN205042462U (zh) * 2015-10-20 2016-02-24 山东恩贝科技有限公司 一种三甲胺与盐酸连续合成反应连接管路
CN205061931U (zh) * 2015-10-20 2016-03-02 山东恩贝科技有限公司 一种在线连续合成反应器
CN109180502A (zh) * 2018-08-09 2019-01-11 绍兴东湖高科股份有限公司 利用矮壮素生产尾气生产氯化胆碱的管式反应器及方法
CN208786372U (zh) * 2018-08-16 2019-04-26 泰安汉威集团有限公司 氯化胆碱生产自动控制成盐反应ph值的装置
CN210815146U (zh) * 2019-08-28 2020-06-23 山东长信化学科技股份有限公司 一种稳定nmp反应投料装置

Also Published As

Publication number Publication date
CN216704322U (zh) 2022-06-10

Similar Documents

Publication Publication Date Title
US4233265A (en) Liquid polymer hydration
WO2023108837A1 (zh) 一种三甲胺盐酸盐的高效率连续化生产装置
CN106861552A (zh) 配液装置
US20230160194A1 (en) Automatic sewage regulation system and regulating method thereof
US20220135710A1 (en) Catalyst Pretreatment and Feeding System for Polypropylene Production
CN207702116U (zh) 一种液氯汽化系统
US4201867A (en) Liquid polymer hydration
CN212431916U (zh) 循环气换热器酸洗装置
JP4296659B2 (ja) 脱酸素装置
CN101054473B (zh) 一种耦合生产设备及生产工艺
WO2023123524A1 (zh) 一种具有pH自动调节功能的乌洛托品生产装置
CN111437762A (zh) 一种超临界水氧化装置
CN206014411U (zh) 二氧化氯发生器
CN217541640U (zh) 一种换热器管壁附着粉末吹扫系统
CN107720986A (zh) 一种碱性硬水软化剂
CN208907983U (zh) 一种反应釜的温控系统
JPS60197293A (ja) フツ素含有廃水の処理装置
CN220818710U (zh) 一种闭式冷却塔冷却水循环系统
CN219942844U (zh) 一种液面下进料的丙烯酸树脂合成系统
CN215464455U (zh) 环形连续硝化反应装置
CN107540766B (zh) 一种用于烯烃连续聚合的催化剂预接触装置及催化剂预接触的方法
CN205761152U (zh) 一种硝化反应釜
CN215429054U (zh) 聚合物多元醇的连续化生产装置
CN115253995B (zh) 一种塔式季铵盐生产装置及季铵盐生产方法
CN215208658U (zh) 一种精确配比的芬顿反应器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22905611

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE