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Analysis of operating points and precautions mixer
Click:Secondary,Time:2014-07-22
Mixer, known mixer, a blade or a shaft rotating in a cylindrical tank, for mixing the raw materials, or be a mixture of suitable consistency machine. Since the mixer and other equipment in operation is somewhat different, so not all of them will operate the mixer, if people do not understand the process of operation, the blind operation, may result in serious consequences. Therefore, when operating biaxial mixer to note the following:

1, before the mixer is turned on, should the mixing tube operating handle on the "stop" position.

2, after starting, should enable rotation of the mixing tube for about 10 minutes at low speed, the hydraulic oil temperature to rise above 20 ℃ after work only. 3, open storage, mixing tube should be reversed prior to loading, discharging the water and debris to ensure the quality of concrete. 4, in the transportation of concrete, to ensure that the slide is placed firmly fight against loosening caused by the swing. 5, at the time of shipment of concrete mixing well, mixing drum speed of 2-10 rpm / min.

6, when the car is equipped with concrete, on-site dwell time shall not exceed one hour overtime as the person in charge should immediately ask to give a timely manner.

7, when transporting concrete slump of not less than 8cm, from the concrete to the discharge into the tank shall not be discharged more than two hours when the temperature is high, rainy weather temperature is low, may not exceed 2.5 hours.

8, before the concrete is discharged, so that the mixing tube to be rotated at 10-12 rpm / min speed 1 minute, and then discharge. 9, after the concrete discharge is completed, you should immediately turn on the water to the inlet hose with a lorry, a hopper and discharge chute and other parts rinse, drain the body around in the dirt adhesion and residual concrete, again stir barrel of water 150-200L water, stirring to make their way back slowly rotating drum to wash wall, to avoid residual material residue attached to the cylinder wall and the stirring leaves, and once again let the water out before loading these .

10, when transporting concrete, the engine speed at 1000-1400 r / min range to work within, in order to have the maximum torque of the engine, in the process of transporting the concrete, the speed should not exceed 40km / h, in order to maintain traffic safety.

11, after the work is completed, the mixing tube should be cleaned inside and the body can not make the rest of the concrete to remain in the barrel. 12, when the mixer pump working, prohibiting idling, not more than 15 minutes of continuous use.

13, to keep the tank filled with water, to prepare for emergencies, after the winter shutdown, should water tanks, pumps, pipes, mixing barrel of water put the net, and parked in the sun, no water place to avoid freezing machinery.

14, in the winter it is timely to install insulation kits and using antifreeze to protect mixer, replace the fuel grade as the weather changes, to ensure the normal use of machinery.

15, does not work in the inspection, repair mixer hydraulic transmission parts, should the engine and hydraulic pumps under no pressure situation.

16, in concrete ministries gap adjustment, stroke, the pressure should be a full-time security staff to check agree; When replacing parts, must be signed by the Minister or a competent manager, otherwise the problem prosecute those responsible.