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The furnace lining machine is composed of a vibration host and furnace-building tools. Furnace building tools include furnace bottom vibrating plate, furnace wall vibrating plate, tamping fork, and flat shovel.
The electric furnace lining machine is based on the vibration force generated by the eccentric wheel driven by the motor and transmits the vibration force to the sand material through the furnace lining vibration plate and the furnace wall vibration plate compresses the sand material and discharges the air in the sand material so that the gap between the sand material and the sand material to achieve a high packing density.
The electric furnace lining machine adopts a low-power three-phase vibration motor with a power of 150W a vibration frequency of 2900 rpm and a frequency of 50HZ. The vibration force is 1000-2000N, and the pressure reaches at least 0.3~0.5MPa; in order to make the operation convenient for workers, the motor is required to use an aluminum alloy shell, which is lighter in weight and more convenient for workers to operate. In order to make the knotting of the furnace lining stronger and more durable. It can not only power up and down but also do partial rotation, bias, and other movements in the furnace.
Anyone who uses and is familiar with intermediate-frequency electric furnaces knows that before the appearance of the electric furnace lining machine, the knotting of the original intermediate-frequency furnace lining needs to be done manually, and the knotting process requires at least 4-5 knotting workers. The relatively strong ones take at least 12 hours or so.
The difference between humans and lining machine
After the emergence of electric furnace builders, this problem has been solved very well. Now it is mainly used for knotting the lining of intermediate-frequency melting electric furnaces. It is suitable for all specifications of intermediate frequency electric furnaces with a capacity below 2T and has obvious advantages over manual knotting. The following is The enumerated comparison between manual knotting and electric furnace building machine knotting process:
Take a ton of intermediate frequency electric furnace as an example, use the same lining material (dry vibration acid knotting material), if you want to knot the lining more compact and durable, use a furnace builder to tie knots and do the following comparison with manual knots:
Manual knotting is related as follows:
1. Personnel requirements: about 4-5 people, and the personnel need to be rich in experience.
2. Knotting time: about 12 hours, in some cases it can be less than 10 hours.
3. Knotting method: Personnel rotation, a group of 2 people use hand tools to pound, and change every 5 minutes. Because the exhaust of dry sand is more forceful, it is laborious after repeated force.
4. Knot tightness: According to the strength of the workers, and the strength becomes weaker in the later stage, the knot tightness is relatively weak.
5. Uniformity of knotting: According to the different strength of workers and different force each time, the uniformity of knotting is weak.
6. Furnace lining life stability: Due to the different tightness of manual knotting each time, the uniformity around the knotted furnace wall and other reasons, the furnace life is not stable. If there are reasons such as personnel replacement, it may change even more.
Furnace lining machine knot related as follows:
1. Personnel requirements: 2 people, it can be operated according to the requirements of use, and it is easy to learn.
2. Knotting time: 4-5 hours, the electric furnace building machine is not as long as possible, just operate as required.
3. Knotting method: one person operates, one person assists, and the two people exchange every 10 minutes. When using it, you only need to support it with both hands, and no artificial force is required.
4. Tightness of knotting: According to the capacity of the furnace body, the amount of material to be added, и т. д., the vibration force of the furnace building machine can be adjusted between 1000-2000N. After the knotting is completed as required, the tightness is very obvious.
5. Uniformity of knotting: After the vibration force is adjusted, the vibration force generated each time is very uniform, and the vibration frequency is high, which is convenient for the continuous exhaust of sand.
6. Furnace lining life stability: very stable, the same workers, materials, and operating procedures are used every time, and the difference is within 10 furnaces.
The furnace lining is made by the electric furnace building machine, and the average service life is increased by 10%. If experienced, it can be increased by 15%-20%.
