System and method for realizing controllable cooling in isothermal and isostatic press cylinder

A technology of warm isostatic press and cooling rate, which is applied in the field of control systems, can solve problems such as product quality impact and product cooling time, and achieve the effect of meeting temperature control requirements

Active Publication Date: 2019-01-29
INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These factors will directly affect the cooling time of the product, and will have a certain impact on the quality of the product.

Method used

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  • System and method for realizing controllable cooling in isothermal and isostatic press cylinder
  • System and method for realizing controllable cooling in isothermal and isostatic press cylinder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A system for realizing controllable cooling in a cylinder of a warm isostatic press, comprising a medium oil tank, a first air control valve, a second air control valve, a regulating valve, a working cylinder of a warm isostatic press and a water-cooled cooler. A two-position three-way air control valve is installed on the oil inlet pipeline and oil outlet pipeline of the heating oil tank of the warm isostatic press, and a straight-through circuit is connected between the two two-position three-way air control valves. When two two-position three-way air control valves After all the air sources are connected, the medium oil in the working cylinder of the warm isostatic press does not return to the heating oil tank, but directly returns to the working cylinder. , the medium oil in the working cylinder of the warm isostatic press can return to the heating oil tank, that is, the air source of the two two-position three-way air control valves is only disconnected when the wor...

Embodiment 2

[0023]A control method for realizing the controllable cooling in the cylinder of the thermoisostatic press, specifically: 1) completing the setting of the cooling temperature and the cooling rate of the working cylinder of the thermoisostatic press, and realizing the setting of the cooling in sections, each section Different cooling rates can be set; 2) Turn on the water-cooled cooler to run, and reduce the output temperature of the cooler to the set temperature, and then perform internal self-circulation and maintain the output temperature of the cooler; 3) When the temperature isostatic press After the product is pressed and enters the controllable cooling process of the product in the working cylinder, the system automatically connects the air sources of the two two-position three-way air control valves at the same time to complete the opening of the two-position three-way air control valves, so as to realize the medium oil of the working cylinder. Then return to the working...

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PUM

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Abstract

The invention discloses a system and a method for realizing controllable cooling in an isothermal and isostatic press cylinder. The system comprises a medium oil tank, a first pneumatic control valve,a second pneumatic control valve, a regulating valve, an isothermal and isostatic pressing machine working cylinder and a water-cooled cooler, wherein the first pneumatic control valve is arranged onan oil inlet pipeline of the medium oil tank, the second pneumatic control valve is arranged on an oil outlet pipeline of the medium oil tank, a straight-through loop is connected between the first pneumatic control valve and the second pneumatic control valve, the regulating valve is arranged between the second pneumatic control valve and the isothermal and isostatic press working cylinder, thewater-cooled cooler is arranged on an oil way between the regulating valve and the isothermal and isostatic press working cylinder in parallel, an oil outlet pipeline of the isothermal and isostatic press working cylinder is in communication with the first pneumatic control valve, a temperature sensor is arranged in the isothermal and isostatic press working cylinder, and the temperature sensor transmits a detection signal to the regulating valve. According to the system and the method for realizing controllable cooling, the function of controllable cooling in the isothermal and isostatic press cylinder is achieved, and the requirement for temperature control of medium oil pressed by an isothermal and isostatic press is met.

Description

technical field [0001] The invention relates to the technical field of control systems, in particular to a system and method for realizing controllable cooling in a cylinder of a thermoisostatic press. Background technique [0002] The product pressing of the warm isostatic press is to heat the medium oil in the medium oil tank to the set temperature first, then transfer it from the medium oil tank to the working cylinder, and then pressurize the medium oil in the working cylinder to realize Suppressive work on products. [0003] After the current warm isostatic press is finished, the product can only be taken out after waiting for the temperature of the medium oil in the cylinder to cool down naturally until the temperature required for the process is reached. However, the natural cooling of the medium oil is affected by many factors, including: the size of the product, the ambient temperature, the set temperature of the medium oil, etc. These factors will directly affect...

Claims

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Application Information

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IPC IPC(8): B30B15/26B30B15/34
CPCB30B15/26B30B15/34
Inventor 张程滔樊星廉国营鲍延年曹志伟
Owner INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
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