- 19
- Apr
Summary table of maintenance points for induction melting furnace
Summary table of maintenance points for induktsiya eritish pechkasi
Maintenance and repair items | Maintenance and repair content | Maintenance time and frequency | fikr bildirmoq | |
neft
bosim
Pack
o’rnating |
nasos |
Check whether the noise of the pump is abnormal | 1 time / week | When the pump is noisy , there are the following reasons :
(1) Air is sucked in by the suction filter (2) The suction side of the pump sucks in air |
Pressure regulating valve |
(1) When there is a time lag from the start of the pump to when the pressure rises and when the noise of the pressure regulating valve increases , disassemble the pressure regulating valve for cleaning
(2) When the tilting speed is too slow , increase the setting of the pressure regulating valve within the maximum operating pressure range of the device . The set pressure does not rise , remove it for cleaning |
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Quvur filtri |
Disassemble the filter for cleaning
Almashtirish qismlari |
The first time is one month , and then one time /3 months
1 time /2 years |
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Quvur
Emergency generator Benzinli dvigatel Qo’l nasosi |
Visually check for oil leaks on the piping
Prevent rust , start the engine pump Check according to the attached check book Take measures to prevent rust and start the hand pump |
1 time / month
1 time / month
1 time / month |
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Blower |
Fan kamari |
Whether the belt is slack
Whether the belt is broken |
The first time is one month , afterwards
1 time /6 months |
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Havo filtri | Visually check the vacuuming status and clean with compressed air in the workshop | 1 time / month
|
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Noise, vibration | Is the noise and vibration of the blower different from usual? | 1 time / week | ||
Add lubricating oil | Blower bearing | 1 time /3 months | ||
Cooling water circuit |
Sovutadigan suv pompasi |
(1) Bearing temperature and motor housing temperature
(2) When there is water leakage in the pump bearing , reinforce the bearing (3) Is the noise and vibration of the motor and pump different from usual? (4) After a long period of operation , or when the operation is stopped in winter or at night , the remaining water should be removed (5) Wear of gland sealing electricity |
1 time / week
1 time / month 1 time / month
1 time /1.5 ~2 years |
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Sovutish minorasi |
(1) Clogging of the nozzle
(2) The dirt of the filter : Clean or replace when the contamination is serious (3) Whether the fan belt is loose
(4) Add lubricating oil to fan bearings |
Initially for a check once a month , after 1 times / 3 months 1 time /3 months |
Check whether the nozzle is blocked from the inspection window during operation | |
Maintenance and repair items | Maintenance and repair content | Maintenance time and frequency | fikr bildirmoq | |
Cooling water circuit
|
Cooling water circuit |
(1) Is the flow of the flow meter different from usual
(2) Clean the filter (3) Water pressure gauge Whether the alarm value is normal and the pressure indication is different from usual (4) Thermometer Whether the thermometer indicates normal Whether the alarm contact point is abnormal (5) Piping Whether the piping is leaking |
1 time / day
1 time /3 months 1 time / week
1 time / month 1 time / week
1 time / day |
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Emergency equipment |
(1) Gasoline engine pump
Run once a week , one time is half an hour (2) The gasoline engine is inspected according to the attached inspection book (3) Emergency solenoid valve |
1 time / week
1 time / day |
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Oqish o’choq signalizatsiya qurilmasi | Electrode lead wire inspection | (1) Is the electrode lead wire connection normal?
(2) Is the electrode lead wire grounded? |
1 time / day | Check with test stick |
Coil check |
When dismantling the furnace :
Whether the coil is burnt out due to molten metal Whether there are bumps in the coil Whether the coil is damaged |
It is appropriate to fill in the coil insulation with asbestos plaster and the renewal period is 3 to 5 years. |