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| Pressure distribution in barrel of low-temperature single screw press |
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| KeyWord:Key words：screw press low-temperature pressing pressure monitoring pressure distribution |
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| Abstract: |
| Abstract：Resistance strain gauges were used to collect the pressure in the barrel of single screw press. The material testing machine was used to calibrate the resistance strain gauge, and the pressure-current relationship of the strain gauge was obtained through the test. During the working process of the press, the maximum pressure per minute measured by the resistance strain gauge and the high-temperature melt pressure sensor at the same position was the same, which proved that the strain gauge sensor was accurately calibrated and could be used for real-time collection of pressure in the barrel. When the press worked stably, the maximum pressure in the barrel appeared in the press section. By adjusting the compression ratio, cage bar gap and cake thickness of the press, the influence of different structural parameters on the pressure distribution in the barrel was obtained. The research provided a reference for adjusting the structural parameters of the barrel to achieve the optimal pressing effect. |
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