Summary table of maintenance points for induction melting furnace

Summary table of maintenance points for 유도 용해로

Maintenance and repair items		Maintenance and repair content	Maintenance time and frequency	비고
기름 압력 짐 세트	펌프	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
	압력 조절 밸브	(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
	파이프 필터	Disassemble the filter for cleaning 부품 교환	The first time is one month , and then one time /3 months 1 time /2 years
	피리 소리 Emergency generator 휘발유 엔진 핸드 펌프	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
송풍기	팬 벨트	Whether the belt is slack Whether the belt is broken	The first time is one month , afterwards 1 time /6 months
	공기 정화기	Visually check the vacuuming status and clean with compressed air in the workshop	1 time / month
	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	냉각수 펌프	(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
Cooling water circuit	냉각탑	(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	비고
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
Cooling water circuit	비상 장비	(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
누출로 경보 장치	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
누출로 경보 장치	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.