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Automatic control principle for 25-ton orthophthalic winding resin production process

A technology of automatic control principle and automatic control system, applied in the field of principle, can solve the problems of unstable quality, unstable performance of polyester resin products, affecting product quality, etc.

Inactive Publication Date: 2013-01-16
新疆永昌新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to their own weak production technology, the performance of the polyester resin products produced is very unstable, which also affects the quality of the products
This also reflects the unsaturated polyester resin production process - batch melting method, the process is mature, but manual operation, unstable quality, human factors cause errors

Method used

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  • Automatic control principle for 25-ton orthophthalic winding resin production process

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Experimental program
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Embodiment Construction

[0005] Referring to Fig. 1, the descriptions of the serial numbers are as follows: ① is the DCS master control room; ② is the automatic delivery control equipment for liquid materials; ③ is the automatic control system for the heating stage of the reactor materials; ④ is the automatic control system for the esterification stage of the reactor materials; ⑤ is the negative pressure reaction automatic control system of the reactor; ⑥ is the automatic control system of the material transfer stage; ⑦ is the cross-linking dilution automatic control system of the dilution tank; ⑧ is the reactor; ⑨ is the dilution tank; . Before starting, the DCS controls the liquid delivery system to inject the reaction materials into the reactor through the feedback signal. When the various materials reach the designed ratio, the DCS sends a control signal, and the actuator stops feeding. Then, the temperature of the reactor is raised to an appropriate temperature and maintained through the automati...

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Abstract

The invention discloses a movable-electronic weighing automatic filling system for an orthophthalic unsaturated winding resin. The device comprises a 25-ton orthophthalic winding resin automatic control principle, which comprises six sub-systems, namely an automatic liquid material delivery system, an automatic control system for a material temperature rise stage in a reaction kettle, an automatic control system for a material esterification stage in the reaction kettle, an automatic control system for negative pressure reaction in the reaction kettle, an automatic control system for a material transfer stage and an automatic control system for crosslinking dilution in a dilution kettle. Advanced equipment is combined, and an automatic control system for an unsaturated resin production process flow is formed. The system is mainly used for improving automation level, stabilizing product performance, improving production efficiency and reducing work load in the production process.

Description

technical field [0001] The technology of the present invention designs a principle, specifically, the principle of automatic control of the production process of 25-ton ortho-phthalic winding resin. It is mainly used to improve the automation level, stabilize product performance, improve production efficiency and reduce labor load in the production process. Background technique [0002] With the continuous development of the new composite material industry, the demand for unsaturated polyester resin in my country is increasing year by year. At present, in China, a large number of enterprises producing resin in some collectives and townships have emerged. However, due to their own weak production technology, the performance of the polyester resin products produced is very unstable, which also affects the quality of the products. This also reflects the unsaturated polyester resin production process - batch melting method, the process is mature, but manual operation, unstable...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G63/52C08G63/78
Inventor 周强
Owner 新疆永昌新材料科技股份有限公司