First, the adjustment of the rice knife Adjust the rice knife is to adjust the gap between the rice knife and the drum. If the gap is large, the pressure in the whitening chamber is small, and the friction force of the rice in the drum is weak, so that the rice cannot be finely milled, but the rice yield is high. II. Adjustment of inlet and outlet blades When the inlet knife is opened and the outlet knife is closed, the grain in the whitening chamber is increased. The pressure increases to grind out the beige white, but the broken rice is more; on the contrary, if the import knife When the customs are small and the export knife is large, the white room is kept low and the pressure is reduced. The milled rice is rough. Third, the specific operation adjustment measures (1) rice knife and roller adjustment gap should be appropriate, the gap is generally not less than the transverse diameter of rice, otherwise, the rice is easy to break; the gap can not be greater than the longitudinal diameter of rice, or rice grain rough. Therefore, the rice knife gap should be selected between the vertical and horizontal diameters of the rice grain. Generally, when adjusting the clearance of the rice knife, it is necessary to have a slight angle, that is, a little larger near the end of the outlet knife, so that the rice that is rolled out is more complete. (2) The inlet and outlet blades must be closely matched to each other. In general, the opening degree of the inlet knife can be controlled to be 1/2 of the entire opening and not more than 2/3 at most. In the rice milling process, generally do not remove the import knife, so that the import of all open, because the import knife all open, the accumulation of too much grain, white room pressure is too high, large resistance to rotation, if the exit knife is not With a good fit, the drive belt will slip, even the machine will be stuck or damaged. The exit knife must be controlled flexibly. In operation, the clearance of the rice knife and the opening of the inlet knife can be fixed after being adjusted as required. Generally, as long as the operator operates the outlet knife with his right hand, the left palm is used to connect the lower end of the outlet. Rice grain, observe whether the rice grain is complete, and whether the rice is white. If the broken rice is more, you can open a large exit knife; if the grain of rice is rough, you can close the small exit knife. In the rice milling process. Both should be taken into account until the quality of rice milling meets the requirements. Fourth, maintenance issues (1) rice processing rice, to maintain a certain degree of dryness, the general moisture content can not be greater than 14% -15%. When the moisture content of rice is too high, the rice crushed is large, affecting the quality of rice, and the power consumption also increases. (2) It is necessary to check whether there are nails, stones and other debris in the paddy rice so as not to enter the whitening room and cause blockage or damage to the rice sieve. (3) Before starting the machine, check the meters, rice knives, and roller cores to see if the bolts and nuts are tightened. (4) Before turning on the power, turn the roller to see if there is a card. (5) At the time of starting, the first empty load is run to the normal rotation speed, and then the rice is poured into the hopper, and the operation of the rice milling machine is always observed. (6) After each day's work, conduct an inspection of the rice mill and its supporting facilities and find that the problem is solved in time to ensure that the rice mill is always in good condition.
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