CN104645911A - 保温式反应釜 - Google Patents

保温式反应釜 Download PDF

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Publication number
CN104645911A
CN104645911A CN201310600089.0A CN201310600089A CN104645911A CN 104645911 A CN104645911 A CN 104645911A CN 201310600089 A CN201310600089 A CN 201310600089A CN 104645911 A CN104645911 A CN 104645911A
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reactor
stainless steel
asbestos
thermal insulation
reactor body
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CN201310600089.0A
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殷宝安
朱璜
涂小荣
陈晨
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YANGZHOU BESD NEW MATERIALS CO Ltd
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YANGZHOU BESD NEW MATERIALS CO Ltd
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Priority to CN201310600089.0A priority Critical patent/CN104645911A/zh
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/02Apparatus characterised by being constructed of material selected for its chemically-resistant properties
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78Preparation processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00002Chemical plants
    • B01J2219/00018Construction aspects
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00074Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094Jackets

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

一种保温式反应釜。釜体设置在不锈钢外壳内,不锈钢外壳和釜体四周之间包裹石棉布,不锈钢外壳和釜体底部之间填充石棉板。利用石棉布和石棉板的低导热系数,阻碍反应釜向外界传递热量,减少了能量浪费,本发明结构简单,制造方便。

Description

保温式反应釜
技术领域
本发明涉及一种生产聚酯树脂的反应釜,特别是具有节能效果的反应釜。
背景技术
聚酯树脂是不饱和聚酯胶粘剂的简称。不饱和聚酯胶粘剂主要由不饱和聚酯树脂、引发剂、促进剂、填料、触变剂等组成。主链中含有-CH匉CH-双键的一种线型结构聚酯树脂,能与烯类单体,如苯乙烯、丙烯酸酯、乙酸乙烯酯等混合后,在引发剂和促进剂的作用下,于常温下聚合成不溶、不熔产物。不饱和聚酯的英文缩写为UP,主要用于生产卷材涂料。聚酯树脂由二元醇或二元酸或多元醇和多元酸缩聚而成的高分子化合物的总称。
聚酯树脂分为饱和聚酯树脂和不饱和聚酯树脂。
不饱和聚酯胶粘剂主要由不饱和聚酯树脂、颜填料、引发剂等助剂组成,胶粘剂粘度小、易润湿、工艺性好,固化后的胶层硬度大、透明性好、光亮度高、可室温加压快速固化、耐热性较好,电性能优良。缺点是收缩率大、胶粘韧度不高,耐化学介质性和耐水性较差,用于非结构胶粘剂。
涂料行业最常用的饱和聚酯树脂是含端羟基官能团的聚酯树脂,通过与异氰酸酯、氨基树脂等树脂交联固化成膜。饱和聚酯树脂主要用于生产卷材涂料,根据树脂性能和结构的不同分别可用于卷材涂料的面漆、底漆、背漆,也有用于油墨和热覆膜卷材用的饱和聚酯树脂。 
生产聚酯树脂过程中的关键设备就是反应釜,在生产聚酯树脂的过程中,反应釜内的温度一般在100℃至300℃之间,一般需要采用电加热为反应釜内的化学原料提供适合的反应温度,在反应过程中,反应釜中一部分物料汽化并挥发出反应釜,挥发出的物料在冷凝塔中初步冷却后进入下道冷却设备,最终在不同的冷却温度下,将挥发的有用物料分离出来重复利用,挥发出的高温物料带走了大量的热量,同时由于反应釜本身一般由不锈钢材料制造,高温的反应釜向外界空气中很容易散发热量,造成了电能的浪费。
发明内容
为了提高现有的生产聚酯树脂过程中,反应釜向外界空气传递大量热量的不足,本发明提供一种保温式反应釜,其内热量向外界散发的少、且结构简单,制造容易。
本发明解决其技术问题所采用的技术方案是:保温式反应釜的釜体设置在不锈钢外壳内,不锈钢外壳和釜体四周之间包裹石棉布,不锈钢外壳和釜体底部之间填充石棉板。
本发明是这样实现其目的的:石棉布和石棉板具有高效的保温效果,且耐化学腐蚀,釜体底部的石棉板可以承受一定的压力,石棉布和石棉板的低导热系数使得高温的反应釜向周围空气中传导的热量较少。
本发明的有益效果是:利用石棉布和石棉板的低导热系数,阻碍反应釜向外界传递热量,减少了能量浪费,节约了电能,本发明结构简单,成本低,实用性强。
附图说明
下面结合附图和实施例对本发明进一步说明。
图1是本发明的结构原理图。
图中1.釜体,2.不锈钢外壳,3.石棉布,4.石棉板。
具体实施方式
在图1中,保温式反应釜的釜体1设置在不锈钢外壳2内,不锈钢外壳2和釜体1四周之间包裹石棉布3,不锈钢外壳2和釜体1底部之间填充石棉板4。

Claims (1)

1.一种保温式反应釜,其特征是:釜体设置在不锈钢外壳内,不锈钢外壳和釜体四周之间包裹石棉布,不锈钢外壳和釜体底部之间填充石棉板。
CN201310600089.0A 2013-11-25 2013-11-25 保温式反应釜 Pending CN104645911A (zh)

Priority Applications (1)

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CN201310600089.0A CN104645911A (zh) 2013-11-25 2013-11-25 保温式反应釜

Applications Claiming Priority (1)

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CN201310600089.0A CN104645911A (zh) 2013-11-25 2013-11-25 保温式反应釜

Publications (1)

Publication Number Publication Date
CN104645911A true CN104645911A (zh) 2015-05-27

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Country Status (1)

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Application publication date: 20150527