Measurement packing method for powder containing air

A technology of metering packaging and gas powder, which is applied in the field of metering and packaging of gas-containing powders, can solve problems affecting subsequent transportation, palletizing and stacking, poor metering accuracy, and low utilization rate of packaging bags, etc. Stable and reliable, ensure suction, ensure powder flow and the effect of packaging process

Inactive Publication Date: 2017-08-22
JIANGSU JIUJIUJIU TECH
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Problems solved by technology

Its main disadvantages are that due to the existence of gas in the powder, the packaging efficiency becomes lower and the accuracy of measurement becomes worse, which affects subsequent transportation, palletizing and stacking, etc. At the same time, due to the "fluffy" material, the packaging bag The utilization rate is low, and these phenomena are more prominent for gas-containing powder materials with low bulk density and poor fluidity

Method used

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  • Measurement packing method for powder containing air

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Embodiment Construction

[0024] A metering and packaging method for gas-containing powder, using a metering and packaging device for gas-containing powder; the metering and packaging device for gas-containing powder includes a powder silo, a bottom outlet of the powder hopper and a screw feeding The feed port of the screw feeder is connected with the feed port of the screw feeder and the middle material tank. The middle material tank is equipped with a hollow stirring shaft connected to the transmission mechanism. Concentric metal sintered filter rod, the upper end of the filter rod is connected with the air extraction system; the outer wall of the filter rod is close to the inner wall of the hollow stirring shaft, which not only meets the flexible rotation of the stirring device, but also makes the material adsorbed on the outside of the filter rod during the upward movement and suction process be cleared; the hollow stirring shaft is provided with a suction hole; the bottom of the middle material tan...

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Abstract

The invention discloses a metering and packaging method for gas-containing powder. The powder material from the air flow conveying system is temporarily stored in the powder silo, and is fed to the intermediate material barrel by a screw feeder arranged at the bottom of the silo. The intermediate material The material in the barrel is sent into the packaging bag through the hollow stirring shaft, and the gas contained in the powder is sucked out through the filter rod built in the hollow stirring shaft along the flow direction. Air extraction, the second level is deep air extraction in the packaging bag; when the material in the packaging bag reaches 99.8% of the rated value, quickly remove the air extraction filter rod, and close the shut-off valve; when the material in the packaging bag reaches the set value At this time, the screw conveyor stops feeding, and quickly closes the shut-off valve, the metering and packaging work is completed, and it enters the subsequent sewing and stacking process. The invention can effectively alleviate the problems existing in the gas-containing powder metering and packing process, and realize efficient and accurate metering and packing.

Description

technical field [0001] The invention relates to a method for measuring and packaging gas-containing powder. Background technique [0002] In the process of industrial production, the measurement and packaging of gas-containing powder is a difficult problem. Its main disadvantages are that due to the existence of gas in the powder, the packaging efficiency becomes lower and the accuracy of measurement becomes worse, which affects subsequent transportation, palletizing and stacking, etc. At the same time, due to the "fluffy" material, the packaging bag The utilization rate is low, and these phenomena are more prominent for gas-containing powder materials with low bulk density and poor fluidity. Contents of the invention [0003] The purpose of the present invention is to provide a metering and packaging method for gas-containing powder that can effectively alleviate the problems existing in the metering and packaging process of gas-containing powder and realize efficient an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65B1/12B65B1/26B65B1/28B65B1/34
CPCB65B1/12B65B1/26B65B1/28B65B1/34
Inventor 李文建郭金煌周新基朱建军吴小强沈秀琴
Owner JIANGSU JIUJIUJIU TECH
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