T-Type Vacuum Evaporation Chamber Transformer Oil Purifier

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“T ”type double vacuum separation technology, double stages thin film drying degassing technology, double evaporation area and degassing time.
Patented degassing tank: anti-foam structure & Dual electronic foam monitoring system “( key components are from Switzerland), completely eradicating oil entering into vacuum pump.
Oil atomized particles size is less than 50um, largely increasing efficiency for water molecules and gas molecules escaping from oil molecules.
Vigorously increase contact area between heater and oil (2w/cm2), reduce the surface temperature of heater, and prevent oil cracking and aging.
Vacuum pump cooler preposition, to reduce water get into vacuum pump, reduce the frequency to change vacuum pump oil and extend vacuum pump lifetime.
High precision filtering element, fine accuracy is 1 micron（optional: 0.5 micron）,β≥1000.
Adopt the high pressure oil pump, oil transmission stable, low noise, long life
Using famous brand high quality components, performance is stable and reliable.
Automatic float ball & electronic oil level automatic controlling system, to realize automatic bubble elimination, unattended operation.
Easy operation and trouble reminder and trouble shooting tips.

Description

ZYD-II series Double Stages Vacuum Transformer Oil Purifier (also known as Transformer Oil Filtration Machine or Vacuum Transformer Oil Purifier) can effectively remove moisture, gas, solid impurity from old or new transformer oil, to improve the flash point and dielectric strength value of insulation oil. ZYD-II can increase the dielectric insulation value more than 35KV at one time. It suits for purifying all kinds of insulation oil, especially suits for purifying transformer oil from 110KV and above 110KV UHV power transmission and distribution projects; also suits purifying of capacitor oil, mutual inductor oil, switch oil, cable oil.

ZYD-II adopts “T” type vacuum evaporation tank, it separates the evaporation tank and the oil tank, improving evaporation efficiency, prolong the machine lifetime.

Removing Moisture. The final treated oil can achieve less than 3ppm
Degassing. The final treated oil can achieve less than ≤0.05%
Removing Particles. The final treated oil can achieve1 micrometer
Vacuum oil injecting
Vacuum drying equipment for transformers
Vacuum purification online work, unattended operation.

Safety Configuration

Control System: Optimized design of control interlock protection device, overpressure alarm and protection, phase sequence protection, to ensure whole machine working stably for a long time. Automatic pressure alarm system, automatic overload protection system, automatic constant temperature system, automatic bubble elimination system, automatic protection of blowout prevention and other advanced technologies, to ensure the safe operation of untended operation.
Adopt interlocked protective system, which connect oil pump, heater and liquid level sensor, avoiding blank heating, blank pumping, oil leak and electricity leak.
Outlet oil pressure protector, to monitor pressure of oil filters all the time, effectively protecting machine and operators.
To install liquid level and temperature protector of heater, prevent instantaneous high temperature of heater.

Working Principle

Water dissolves in transformer oil until the oil internal pressure is balanced . If the pressure, temperature, and saturation which associated with the balance pressure are broken, transformer oil either overflows or absorbs moisture until get to a new balance under new conditions. For ZYD-II series Vacuum Transformer Oil Purifier, the working vacuum is less than 133pa, it can atomize oil into less than 50um, so it can quickly reduces moisture content to less than 3ppm.

Specifications

After oil filtration treatment, the following indexes are achieved:

Breakdown Voltage Value	≥70KV
Fine Filter Precision	≤1μm
Gas Content	≤0.05%
Water Content	≤3ppm
Working Temperature	40-70℃
Working Vacuum	≤80pa
Ultimate Vacuum	≤5pa

Index name	unit	30	50	100	150	200	250	300
Flow rate	L/Min	30	50	100	150	200	250	300
Working vacuum	Pa	≤133
Working pressure	MPa	≤0.5
Gas content	%	≤0.05
Temperature range	°C	20°C~ 60°C(68°F ~ 140°F)
Power supply		As per user’s option
Working noise	dB(A)	≤65 ~ 85
Heating power	Kw	24	30	60	90	125	136	151
Total power	Kw	27	35.5	68	105	135	148	168
Inlet(Outlet)	mm	φ32	Φ25	Φ44	Φ50	Φ58	Φ60	Φ65
Weight	kg	520	570	920	1000	1300	1800	2200
Dimension	L	mm	1550	1550	2000	2150	2250	2300
	W	mm	1200	1200	1250	1300	1300	1350
	H	mm	1750	1800	2150	2250	2250	2300

Video

Customization

Vacuum Pump: Atlas, Leybold ,Busch,Joysun,Hokaido Etc.
Oil Pump: Italy Seim Screw Oil Pump, Germany KRACHT, Tianjin Screw Oil Pump, Etc.
Electrical: Siemens, Schneider.
Other : PLC Controlling System, Enclosed Doors.
Oil Testers: BDV Oil Tester, Moisture Sensor, Flow Meter Etc.