1 reasonable choice of feed mills
1.1 Roller mill
The roller mill is a machine for sawing and grinding feed by using a pair of relatively rotating cylindrical grinding rolls, and is mostly used in the wheat milling industry. In the feed processing industry, it is generally used in the first process of secondary pulverization.
1.2 hammer type feed mill
The hammer-type feed mill is a machine that uses a high-speed rotating hammer to crush the feed. Commonly used are 917-45, 9FQ-50 and 9FQ-50B.
1.3 tooth type feed mill
The claw type feed mill is a kind of machine that uses high-speed rotating claws to crush the feed, and has the advantages of small volume, light weight, fine product size, high working speed and the like. Commonly used are FFC-15 type, FFC-23 type and FFC-45 type.
When purchasing, the model should be selected according to the number of work items, and then the specific product should be selected according to the manufacturing quality, sales price, and spare parts supply. When selecting, first check the appearance, and finally check whether the attachments, instructions, and certificates are complete.
2 the correct use of feed mills
1) The long-term operation of the pulverizer should be fixed on the cement foundation. If the work location is changed frequently, the pulverizer and motor should be installed on the base made of angle iron. If the pulverizer is powered by diesel, the power of the two should be matched, that is, the power of the diesel engine is slightly larger than the power of the pulverizer; and the pulley grooves of the two are aligned, and the outer end faces of the pulleys are on the same plane.
2) After the pulverizer is installed, check the tightening condition of each fastening component. If it is loose, tighten it. Also check whether the belt tightness is appropriate and whether the motor shaft and the pulverizer shaft are parallel.
3) Before starting the pulverizer, first turn the rotor by hand to check whether the teeth, hammer and rotor are running flexibly and reliably. There is no collision in the shell. Whether the rotation direction of the rotor is consistent with the direction indicated by the arrow on the machine, the motor and the smash Machine lubrication is good.
4) Do not change the pulleys casually, in case the rotation speed is too high, the explosion chamber will explode, or the rotation speed is too low, which will affect the working efficiency.
5) After the pulverizing table is started, it will be idling for 2-3 minutes, and then no feeding will be carried out.
6) Pay attention to the operation of the crusher at all times during work, and feed evenly to prevent blockage of the car, do not overload the machine for a long time; if there is vibration, noise, high temperature of the bearing and the body, and external spraying , should immediately stop the inspection, after troubleshooting, to continue working.
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