Time-sharing automatic sampling device for powder production and control method

An automatic sampling device and the technology of the sampling device, which are applied in the control of the automatic sampling device and the time-sharing automatic sampling device for powder production, can solve the problem that the quality data of the sample inspection and analysis is not representative and cannot accurately reflect the average quality of materials, etc. problems, to achieve the effect of increasing collection frequency, reducing labor intensity, and prolonging collection time

Active Publication Date: 2012-06-27
SHANGHAI BAOTIAN NOVEL BUILDING MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the present stage, the sampling operation of the vertical mill production line is collected manually to the site. The collected samples are only instantaneous samples within a collection cycle, not sample

Method used

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  • Time-sharing automatic sampling device for powder production and control method
  • Time-sharing automatic sampling device for powder production and control method
  • Time-sharing automatic sampling device for powder production and control method

Examples

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Example Embodiment

[0019] Such as figure 1 As shown, a time-sharing automatic sampling device for powder production includes an air chute 1 and a sampling device 2 connected below the air chute. During operation, the powdery material flows to the sampling device through the air chute, and the sampling device 2 includes The vertical pipe 21 and the horizontal pipe 22 connected to it are input with compressed air. Below the vertical pipe 21 is a sampling barrel 8 which is used to contain the collected powder samples. The upper and lower ends of the vertical pipe 21 are respectively provided with a first solenoid valve 31 connected to the time relay 3 and a third solenoid valve 51 connected to the time relay 5, and the horizontal pipe 22 is provided with a first solenoid valve connected to the time relay 4 Two solenoid valves 41, the time relays 3, 4, and 5 are all connected to the PLC electrical control box 7.

[0020] Before sampling, the first solenoid valve, the second solenoid valve and the thir...

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PUM

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Abstract

The invention relates to a time-sharing automatic sampling device for powder production, comprising an air inclined slot and a sampling device which is connected below the air inclined slot, wherein the sampling device comprises a vertical pipeline and a transverse pipeline communicated with the vertical pipeline; a sampling bucket is arranged below the vertical pipeline; a first solenoid valve and a third solenoid valve, which are connected with time relays, are respectively arranged at the upper and lower ends of the vertical pipeline; the transverse pipeline is provided with a second solenoid valve which is connected with a time relay; and all the time relays are connected with an PLC (Programmable Logic Controller) electric control box. With the adoption of the device, the manual operation can be completely replaced, the sampling automation is realized and the manual work intensity is greatly reduced. The invention further relates to a control method of the time-sharing automatic sampling device for the powder production. With the adoption of the control method, the collecting time of samples is prolonged, so that the collecting frequency of the samples is increased; and therefore, the samples collected in the whole collection period are more representative and the reflected quality data is more accurate.

Description

technical field [0001] The invention relates to a time-sharing automatic sampling device for powder production, in particular to a time-sharing automatic sampling device for quality inspection in the production process of a slag vertical mill. The invention also relates to a control method of the automatic sampling device. Background technique [0002] At present, the production equipment of large mineral powder production enterprises basically adopts the relatively advanced vertical mill production line. Regardless of whether it is imported or domestic vertical mill equipment, the core production process is basically the same. The main production process is: feeding, grinding, collection, storage, delivery. In the production process of the vertical mill, its terminal product is slag powder, and its product form is powdery material. In order to control the overall quality level of the product, it is necessary to pre-set the quality control range of the product during the ...

Claims

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Application Information

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IPC IPC(8): G01N1/20G05B19/05
Inventor 吴旻潘亮金演兵
Owner SHANGHAI BAOTIAN NOVEL BUILDING MATERIALS
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