What are the requirements for the operation of manual slag centrifugal separation filter machine
1、 Feed and load requirements
1. It is necessary to feed the material evenly, and it is forbidden to add materials quickly at once to prevent the material in the drum from being loaded unevenly, causing severe vibration and damaging core components such as the main shaft and bearings.
2. Strictly control the amount of material loaded at a time, and do not exceed the rated slag capacity and loading weight indicated on the equipment nameplate; The thickness of the filter cake accumulation should not exceed the limit to avoid turbidity of the filtrate and solid leakage.
3. Control the solid content of the incoming suspension. Exceeding the design range will accelerate filter clogging and shorten the single operation cycle; The viscosity and particle size of the material must comply with the equipment adaptation range.
4. Before feeding, confirm that the filter cloth/screen is installed smoothly, without damage or wrinkles, to prevent the filter cloth from shifting and causing material leakage.
2、 Operating parameters and process requirements
1. The rotation direction of the drum must be consistent with the equipment identification arrow, and reverse rotation is strictly prohibited; Operate at the set speed according to the process, and prohibit overspeed operation.
2. During operation, monitor the motor current and spindle bearing temperature rise. The bearing temperature rise is generally not higher than 55 ℃ above the ambient temperature. If there is an abnormal rise, stop the machine in time for troubleshooting.
3. If the filter cake needs to be washed, after the filtrate is basically drained, the washing solution should be introduced and the flow rate of the washing solution should be controlled. After washing is completed, dehydration should continue until the moisture content of the filter cake reaches the process index.
4. It belongs to intermittent equipment. After the filter residue in the drum is full, the feeding must be stopped and the slag discharge process must be entered. It cannot operate continuously with slag for a long time.
3、 Mandatory requirements for safe operation
When the equipment is running at high speed, the hood must be locked tightly and it is strictly prohibited to open the hood; Before the drum comes to a complete stop, it is forbidden to insert hands or tools into the machine, and manual cleaning and slag discharge are prohibited.
2. Braking operation specifications: Cut off the power first, then brake slowly. Do not brake suddenly to avoid impact damage to the drum and transmission components.
3. Manual slag removal operations must be carried out after the entire machine has come to a complete stop and power has been cut off; Prioritize using plastic and wooden shovels to clean the filter cake, and prohibit iron tools from scratching the drum and filter screen to prevent damage and metal debris.
When handling flammable, explosive, and corrosive materials, the equipment must meet the corresponding explosion-proof and anti-corrosion configurations, and take measures to prevent splashing, ventilation, and labor protection on site.
5. In case of severe vibration, abnormal noise, peculiar smell, sudden turbidity of filtrate, and large amount of material leakage during operation, immediately cut off the feeding, stop the machine and cut off the power. Wait for complete stillness before maintenance. It is forbidden to continue operating with faults.
4、 Inspection and maintenance requirements
1. Regular inspection during operation: Check whether the foundation bolts of the machine base are loose, whether the filtrate outlet is blocked, whether there is leakage at the sealing position, and the status of the shock absorber components.
2. After each batch of slag discharge, clean the residual materials in the drum and filter screen to prevent them from drying and clumping, which may cause imbalance in the dynamic balance during the next start-up.
3. Regularly check the lubrication status of the braking system, transmission belt, and bearings to maintain sensitive and reliable braking. Lubricating grease should be replenished and replaced periodically.
4. Keep good batch records: record the feed amount, operating speed, separation time, filter cake thickness, filtrate clarity, and abnormal conditions for easy process review and fault tracing.
5、 Shutdown and slag discharge requirements
1. Before stopping the machine, close the feed valve and wait until the filtrate is basically discharged before stopping. Do not brake directly with a large amount of suspension.
2. After completely stopping the machine, cutting off the power, and confirming that there is no rotational inertia, open the hood and manually clean the filter residue; After cleaning, check the filter cloth and reset the locking cover before entering the next batch.
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