Air flow stirring is to use the gas bubble to stir the liquid through the liquid layer, or make the bubble group rise in a dense state, and promote the convective circulation of the liquid through the so-called rising effect. Compared with mechanical stirring, the stirring of liquid only by the action of bubbles is relatively weak, and it is difficult to use high viscosity liquid more than thousands of MPA · s. However, air flow stirring has no moving parts, so it is more convenient to deal with corrosive liquid and stirring of reaction liquid under high temperature and high pressure. In industrial production, the mixing operation starts from the chemical industry and is widely used as a part of the process, focusing on food, fiber, papermaking, petroleum, water treatment, etc. The mixing operation is divided into mechanical mixing and air flow mixing.

不要在有孔的分支上使用焊接工具，因为这样会损坏衬层。搅拌机的射孔支管不得使用电焊（气焊）工具，因为电焊会破坏搅拌机的内衬塑料，支管的连接必须用专用管件进行坡口连接；搅拌机的射孔支管不得使用电焊（气焊）工具，因为电焊会破坏搅拌机的内衬塑料，支管的连接必须用专用管件进行坡口连接。

Do not use welding tools on perforated branches, as this will damage the lining. Electric welding (gas welding) tools shall not be used for the perforated branch pipe of the mixer, because electric welding will damage the plastic lining of the mixer, and the branch pipe must be connected with special pipe fittings; Electric welding (gas welding) tools shall not be used for the perforated branch pipe of the mixer, because electric welding will damage the plastic lining of the mixer, and the branch pipe must be connected with special pipe fittings.

在托轮和滚道之间放入木楔，以控制搅拌筒的旋转，一定要注意；将发动机熄火，拆松液压马达的一根高压油管，搅拌筒可自由旋转，控制搅拌筒的旋转，使维修孔转到下部，然后打开维修孔，清理出筒内商品混凝土。此时一定要注意，产品混凝土排出完毕后，恢复商品混凝土水泥搅拌运输车原状。

Put a wooden wedge between the supporting wheel and the raceway to control the rotation of the mixing drum. Be sure to pay attention to it; Turn off the engine, remove a high-pressure oil pipe of the hydraulic motor, the mixing drum can rotate freely, control the rotation of the mixing drum, turn the maintenance hole to the lower part, and then open the maintenance hole to clean out the commercial concrete in the drum. At this time, it must be noted that after the product concrete is discharged, the commercial concrete cement mixer truck shall be restored to its original state.

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