CN-224221309-U - A disconnect-type reation kettle for preparing castor oil derivative

CN224221309UCN 224221309 UCN224221309 UCN 224221309UCN-224221309-U

Abstract

The utility model discloses a separation type reaction kettle for preparing castor oil derivatives, which relates to the technical field of chemical machinery and comprises a kettle body, wherein the top of the kettle body is communicated with a rectification condensing device, the rectification condensing device comprises a rectifier, a heat exchanger, a condenser and a buffer tank which are sequentially communicated, the rectifier and the heat exchanger are vertically arranged, the bottom of the rectifier is communicated with the top of the kettle body, the heat exchanger is positioned above the rectifier, the condenser is obliquely arranged downwards, the buffer tank is arranged below the condenser, the top of the buffer tank is provided with a vacuum system interface, the bottom of the buffer tank is provided with a recycle discharge port, the upper part of the kettle body is provided with a feed port, the inside of the kettle body is provided with a temperature adjusting component and a stirring component, the bottom of the kettle body is of an inverted cone structure for standing and layering, and the bottom of the inverted cone structure is provided with a derivative discharge port. The utility model integrates the traditional multi-equipment process into a single reaction kettle through the physical separation of different areas of the kettle body, thereby realizing the production targets of high efficiency, low consumption and environmental protection.

Inventors

ZHANG LUJUN
LI LINLU
GUO LIBING
WANG JINLIANG
YU YUJIAN
WANG JIN
GUO YONGCHUN
LIANG YUTAO
ZHOU XIAONAN
LI ZHENG
HUA LIN
HUO CUIMENG

Assignees

河南省科学院化学研究所有限公司
河南科沁新材料有限公司
郑州百事特化工科技有限公司
河南省科学院

Dates

Publication Date: 20260512
Application Date: 20250606

Claims (10)

1. A separation type reaction kettle for preparing castor oil derivatives is characterized by comprising a kettle body, wherein the top of the kettle body is communicated with a rectification condensing device, the rectification condensing device comprises a rectifier, a heat exchanger, a condenser and a buffer tank which are sequentially communicated, the rectifier and the heat exchanger are vertically arranged, the bottom of the rectifier is communicated with the top of the kettle body, the heat exchanger is positioned above the rectifier, the condenser is obliquely downwards arranged, the buffer tank is arranged below the condenser, the top of the buffer tank is provided with a vacuum system interface, the bottom of the buffer tank is provided with a recycle discharging port, the upper part of the kettle body is provided with a feeding port, the inside of the kettle body is provided with a temperature adjusting component and a stirring component, the bottom of the kettle body is of a reverse cone structure for standing and layering, and the bottom of the reverse cone structure is provided with a derivative discharging port.
2. The separation type reaction kettle for preparing castor oil derivatives according to claim 1, wherein the feed inlet comprises a castor oil feed inlet, a catalyst feed inlet, a sulfuric acid feed inlet, a deionized water feed inlet and a nitrogen gas inlet.
3. The separation type reaction kettle for preparing castor oil derivatives according to claim 1, wherein the temperature adjusting component comprises a heating mechanism and a cooling mechanism.
4. The separation type reaction kettle for preparing castor oil derivatives according to claim 3, wherein the heating mechanism comprises a heat conducting tube spirally coiled and embedded on the inner wall of the kettle body, and two ends of the heat conducting tube are connected with the outside through a first inlet and a first outlet.
5. The separation type reaction kettle for preparing castor oil derivatives according to claim 3, wherein the cooling mechanism comprises a cooling pipe spirally wound at the lower part of the kettle body, and two ends of the cooling pipe are connected with the outside through a second inlet and a second outlet.
6. The separation type reaction kettle for preparing castor oil derivatives according to claim 1, wherein the volume of the inverted cone structure is 1/7~1/9 of the volume of the whole kettle body, and a liquid separation observation window is arranged on the side wall of the inverted cone structure.
7. The separation type reaction kettle for preparing castor oil derivatives according to any one of claims 1 to 6, wherein the stirring assembly comprises a stirring shaft and a stirrer, the upper end of the stirring shaft extends upwards out of the kettle body and is in transmission connection with a rotary driving mechanism, the stirrer is fixedly arranged on the stirring shaft, a fixing frame is arranged at the top of the kettle body, and the rotary driving mechanism is arranged on the fixing frame.
8. The separation type reaction kettle for preparing castor oil derivatives according to claim 7, wherein a sealing member is arranged at the joint of the stirring shaft and the kettle body, so that the sealing property of the joint in a static or rotating state of the stirring shaft can be ensured.
9. The separation type reaction kettle for preparing castor oil derivatives according to claim 7, wherein the rotary driving mechanism comprises a motor and a speed reducer, the motor is connected with the speed reducer in a shaft transmission way, and the speed reducer is connected with the stirring shaft in a transmission way, so that the power of the motor is output to the stirring shaft.
10. The separation type reaction kettle for preparing castor oil derivatives according to claim 7, wherein the stirrer comprises three groups of impeller groups sequentially arranged on the stirring shaft from top to bottom.

Description

A disconnect-type reation kettle for preparing castor oil derivative Technical Field The utility model relates to the technical field of chemical machinery, in particular to a separation type reaction kettle for preparing castor oil derivatives. Background The castor oil is an important natural triglyceride compound, has the molecular structure with the characteristics of hydroxyl and fatty acid long chains, and has the remarkable advantages of low freezing point, high ignition point, strong reproducibility, high biodegradation rate, low ecological toxicity and the like. The non-edible vegetable oil derived from castor bean is mainly produced in india, brazil, china and southeast asia, and is an environment-friendly industrial raw material, and has unique value in the aspects of reducing carbon emission and reducing environmental pollution. The application of the modified polyurethane resin is currently covered in various fields such as medicines (release agents), machinery (lubricating oil), high polymer materials (plasticizers), fine chemical engineering (emulsifying agents, coatings, adhesives) and printing (ink). Castor oil is brown yellow oily matter, and has the defects of large polarity, easy emulsification and deep color. The derivative prepared by chemical reaction can not only improve the activity and the hydroxyl value content, but also reduce the chromaticity and the viscosity, and can expand the application of the derivative in the fields of polyurethane coating, pouring sealant and structural adhesive. In the production process of castor oil derivatives, a plurality of different equipment are generally required to be operated, such as a reaction kettle, a separation tank, an acid adding neutralization tank, a water washing tank, a dehydration tank and the like. The method has the defects of incomplete reaction, incomplete separation, long production line, high energy consumption, low efficiency, environmental pollution, safety and health hazard to production personnel and the like. Therefore, the development of the closed multifunctional reaction kettle for synthesizing the castor oil derivative has important significance for improving the production efficiency, reducing the cost, reducing the environmental pollution and improving the safety of equipment. Disclosure of utility model The utility model aims to provide a separation type reaction kettle for preparing castor oil derivatives, so as to solve the problems in the prior art, integrate the traditional multi-equipment process into a single reaction kettle to finish, reduce energy loss and pollution risk caused by material transfer, improve reaction efficiency and finally realize the production targets of high efficiency, low consumption and environmental protection. In order to achieve the above object, the present utility model provides the following solutions: A separation type reaction kettle for preparing castor oil derivatives comprises a kettle body, wherein a rectification condensing device is communicated with the top of the kettle body, the rectification condensing device comprises a rectifier, a heat exchanger, a condenser and a buffer tank which are sequentially communicated, the rectifier and the heat exchanger are vertically arranged, the bottom of the rectifier is communicated with the top of the kettle body, the heat exchanger is positioned above the rectifier, the condenser is obliquely downwards arranged, the buffer tank is arranged below the condenser, a vacuum system interface is arranged at the top of the buffer tank, a recycle material discharging opening is arranged at the bottom of the buffer tank, a feeding opening is formed in the upper portion of the kettle body, a temperature adjusting component and a stirring component are arranged in the bottom of the kettle body, and a derivative discharging opening is formed in the bottom of the reverse cone structure. In an exemplary embodiment, the feed ports include a castor oil feed port, a catalyst feed port, a sulfuric acid feed port, a deionized water feed port, and a nitrogen gas feed port. In an exemplary embodiment, the temperature regulating assembly includes a heating mechanism and a cooling mechanism. In an exemplary embodiment, the heating mechanism comprises a heat conduction pipe spirally coiled and embedded on the inner wall of the kettle body, and two ends of the heat conduction pipe are connected with the outside through a first inlet and a first outlet. In an exemplary embodiment, the cooling mechanism comprises a cooling pipe spirally wound at the lower part of the kettle body, and two ends of the cooling pipe are connected with the outside through a second inlet and a second outlet. In an exemplary embodiment, the volume of the inverted cone structure occupies 1/7~1/9 of the whole kettle body volume, and a liquid separation observation window is formed on the side wall of the inverted cone structure. In an exemplary embodiment, the stirring assembly com