Device for controlling internal temperature uniformity of working cylinder of temperature isostatic pressing machine
An isostatic press and internal temperature technology, applied in the direction of fluid pressure actuators, etc., can solve problems such as difficult oil convection, pipeline medium oil temperature drop, and adverse effects on process production, etc., to achieve a uniform temperature field
Active Publication Date: 2013-04-24
INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
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Problems solved by technology
However, the flow rate and flow rate of the supercharger are much smaller than that of the oil filling, and the heat loss of the pipeline during the supercharging process causes a large drop in the temperature of the medium oil.
When the medium oil with low temperature enters the working cylinder through the high-pressure oil filling port at the bottom, due to the internal pressure, the oil in the working cylinder is difficult to form convection, and the medium oil with low temperature gradually accumulates at the bottom of the working cylinder, reducing the temperature The high medium oil squeezes upwards, resulting in a difference in the temperature field between the upper and lower layers of the working cylinder, which adversely affects the process production
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[0024] The present invention will be further described in detail below in conjunction with examples, but the embodiments of the present invention are not limited thereto.
[0025] figure 1 A schematic structural diagram of a device for controlling temperature uniformity inside a working cylinder of a warm isostatic press according to an embodiment of the present invention is shown. refer to figure 1 An embodiment of a device for controlling the temperature uniformity inside the working cylinder of a warm isostatic press is shown, which includes a working cylinder core 1, and a flow-guiding inner cylinder 2 is arranged inside the working cylinder core 1, and the flow-guiding inner The upper part of the tube 2 has a hole, or the top of the flow-guiding inner tube 2 is not closed. There is a gap between the diversion inner cylinder 2 (that is, the outer wall of the diversion inner cylinder 2; or in other words, when the diversion inner cylinder 2 is circular, it is the outer di...
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Abstract
The invention discloses a device for controlling internal temperature uniformity of a working cylinder of a temperature isostatic pressing machine. The device comprises a working cylinder core tube, an inner guide tube is arranged in the working cylinder core tube and reserves a gap with the inner wall of the working cylinder core tube, the upper portion of the inner guide tube is open, and oil inlet holes are reserved on the side walls of the inner guide tube. By the above technical scheme, the technical problem about adverse effect on technical production due to temperature difference between an upper layer and a lower layer in the working cylinder of the temperature isostatic pressing machine is solved; by controlling medium oil temperature uniformity in the working cylinder, medium oil lower in temperature can be uniformly mixed with medium oil higher in temperature in the working cylinder when oil is refilled for pressurizing, and temperature field of the medium oil in the working cylinder is uniform.
Description
technical field [0001] The invention relates to the technical field of static presses, in particular to a device for controlling the temperature uniformity inside a working cylinder of a warm isostatic press. Background technique [0002] The warm isostatic pressure working cylinder is filled with heated medium oil to provide a uniform heat source for the product to be pressed, and the supercharger pumps hot oil of the same temperature into the working cylinder for pressurization. However, the flow rate and flow rate of the supercharger are much smaller than that of the oil filling, and the heat loss of the pipeline during the supercharging process causes a large drop in the temperature of the medium oil. When the medium oil with low temperature enters the working cylinder through the high-pressure oil filling port at the bottom, due to the internal pressure, the oil in the working cylinder is difficult to form convection, and the medium oil with low temperature gradually ac...
Claims
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Inventor 范玉德鲍延年赵维樊星曹志伟吕欣蒋道建刘彤陈学平何碧朱国杰米玉华朱哲新赵强
Owner INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS