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Calcium stearate fusion production process and calcium stearate reaction kettle thereof

A technology of calcium stearate and production process, applied in the field of calcium stearate melting method production technology, can solve problems such as uneven stirring, uneven reaction, difference in quality of upper and lower products, and achieve stable product quality and speed up reaction rate. , the effect of shortening the reaction time

Inactive Publication Date: 2012-02-08
NANTONG XINBANG CHEM
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AI Technical Summary

Problems solved by technology

Its disadvantages are: the reaction kettle is vertical, and the viscosity of the mixed liquid is high, and the stirring is uneven, resulting in uneven reaction. After the reaction, the quality of the upper and lower layers of the kettle is different.
And normal pressure reaction, the reaction rate is slow, the production capacity is low, and the cost is high

Method used

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  • Calcium stearate fusion production process and calcium stearate reaction kettle thereof
  • Calcium stearate fusion production process and calcium stearate reaction kettle thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0015] First, preheat the stearic acid: transport the stearic acid in the liquid state into the calcium stearate reactor through the pump and the pipeline, control the addition amount of the stearic acid through the flow meter installed on the pipeline, and put the stearic acid The stearic acid in the calcium reactor is heated to 150-180°C. The calcium stearate reactor involved in the present invention includes a kettle body 1, a stirring shaft 2, a stirring paddle 3, a motor 4, and a reducer 5. The kettle body 1 is a horizontal kettle body arranged horizontally, and a horizontal stirring shaft 2 is arranged inside the kettle body 1. Seven sets of stirring paddles 3 are installed on the stirring shaft 2, and each group of stirring paddles 3 is two vertically arranged The scraper type paddle; Kettle body 1 is provided with motor 4, and it is connected with stirring shaft 2 through reducer 5;

[0016] Add calcium hydroxide and catalyst, add calcium hydroxide and catalyst in thre...

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Abstract

The invention relates to a calcium stearate fusion production process and a calcium stearate reaction kettle thereof. The invention is characterized in that the process comprises the following steps: pumping stearic acid in the liquid state into a flowmeter for metering, then transferring into the calcium stearate reaction kettle, and heating while stirring; and adding calcium hydroxide and a catalyst, and reacting at the temperature of 150-180 DEG C and the pressure intensity of 0.6-1.0 MPa, wherein the complete reaction time is 45-65 minutes. Since the reaction is pressurized, the reaction rate is accelerated; and meanwhile, in order to further accelerate the reaction speed, the horizontal reaction kettle is used, thereby ensuring more uniform stirring and more sufficient reaction, further shortening the reaction time and stabilizing the quality of the product.

Description

technical field [0001] The present invention relates to a kind of calcium stearate melting method production technology, also relate to a kind of calcium stearate reaction kettle used for calcium stearate melting method production technology. Background technique [0002] Stearate is widely used in petrochemical, daily chemical, rubber and plastic, dyestuff, medicine, metallurgy, military industry, paint, paint and other industries, mainly as polyethylene, polypropylene, polyvinyl chloride, chlorinated polyethylene and other polymers Heat stabilizers for material processing as well as lubricants and dispersants for coatings, varnishes, and paper industries. With the strengthening of people's awareness of environmental protection, stearates of toxic substances such as lead salts are gradually eliminated, while the demand for non-toxic heat stabilizer calcium stearate is increasing. [0003] The technology of producing calcium stearate at home and abroad mainly contains three...

Claims

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Application Information

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IPC IPC(8): C07C53/126C07C51/41B01J19/18
Inventor 鲍兴来周松涛周维宏
Owner NANTONG XINBANG CHEM
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