Transformer Oil Purifier with Double Stages

  Application
Series ZYD Double-stage transformer oil purifier can quickly remove water, trace water, gas, particles as well as acetylene, hydrogen, methane and other harmful ingredients from oil effectively to improve oil's dielectric strength, effectively making sure electric equipments working safely and normally. Series ZYD oil purifier is particularly suitable for treating high-grade transformer oil, super-voltage transformer oil and new transformer oil. It can be used for filtration of more than 110V substation live line work onsite. Meanwhile, Series ZYD oil purifier can be used as independent vacuum source with functions of vacuum drying and vacuum oiling.
  Features
1. Double-stage vacuum system, strong power of vacuum evacuating, ultimate vacuum value ≤ 5Pa
2. Two vacuum separating chambers, efficient oil film sprayer, increasing separating size and separating time to ensure the dry-level and dielectric strength improving greatly.
3. Double-horizontal film evaporation technology, combined with unique and advanced dewatering, degassing components, can rapidly and effectively separate water, gas from oil.
4. Multi-stage precision filtration system, mesh filtration combined with molecular adsorption technologies
5. Efficient electric heating system, heating uniformity, less power consumption, safe, and reliable.
6. Double-infrared liquid level sensor, pressure protective system to ensure machine operation easy and safely.
7. Adopt interlocked protective system, which connect oil pump, heater and liquid level sensor, avoiding blank heating, blank pumping, oil leak and electricity leak. If there is any fault, machine will be power off automatically.
8. Functions of live line work onsite, vacuum drying and vacuum oiling.
Advantages
Comparing with single stage transformer oil purifier, Series ZYD oil purifier can increase the effectiveness more than three times, more quickly and completely dewater, degas, remove particles to get higher dielectric strength. This equipment can be used as independent vacuum source with the functions of vacuum drying and vacuum oiling for the electric plants.
Technical Parameters

Index name		unit	ZYD-30	ZYD-50	ZYD-100	ZYD-150	ZYD-200	ZYD-250	ZYD-300
Flow rate		L/H	1800	3000	6000	9000	12000	15000	18000
Working vaccum		MPa	-0.08~-0.099
Working pressure		MPa	≤ 0.4
Temperature range		ºC	20 ~80
Dielectric strength		KV	≥ 70
Water content		ppm	≤ 3
Gas content		%	≤ 0.1
Particles size		μ	≤ 1
Power supply			380V 50HZ 3Ph (As per user's option)
Working noise		dB(A)	≤65~85
Heating power		Kw	24	30	60	90	125	136	151
Total power		Kw	27.7	35.5	68	105	135	148	168
Inlet(Outlet)		mm	Φ25	Φ32	Φ42	Φ50	Φ50	Φ60	Φ60
Weight		kg	650	750	900	1200	1800	1950	2300
Dimension	L	mm	1500	1500	1950	2100	2200	2250	2400
	W	mm	1250	1250	1300	1350	1350	1400	1450
	H	mm	1700	1750	2100	2200	2200	2200	2200

 

ZYD Technologies and Parts introduction
Dehydration (Degas) system
The Double-horizontal vacuum evaporation vessels can enlarge evaporation area efficiently. The heater, being places in the vacuum vessels, becomes an evaporator. Thus the evaporation areas of Double-horizontal vacuum vessels are three times more than of the common vacuum vessel. This innovation can dehydrate and degas effectively and separately. This optimal structure of the dehydration (degas) system enlarge the surface area of oil exposed to the vacuum system and extends the flowing distance of the oil in the vacuum system. Thus there has sufficient time to remove the moisture and gas from the oil by vaporization.
                                                       
Filtering system
The filtering materials with variable apertures are made of specialized glass fiber. the sizes of the filtering fiber and aperture dwindle gradually in the different filtering stages. The impurities with different particulate sizes are filtered step by step. the capability of removing particulate matters is improved greatly by this method.
 
The filtering system has stable and perfect filter fineness. The filter fineness has several grades. Including 1.2.3.4.5.6.10. Micron etc.
 
The filtering system is equipped with reverse rinse and filth device. it improves the effectiveness filtering and extends the lifetime of filter awfully
 
Electrical apparatus controlling system
The main components of the electrical apparatus made by Siemens, Schneider company ensure the safety of the controlling system .having interlocked protective system, pressure protective device which will avoid overload, over voltage, blank pumping, blank heating, oil leak and electricity leak etc.
 
Oil heating system
The unique effective electric heater structure heats the oil uniformly
Oil heater system assures less than 1.0w/cm2.during the heating process, the deterioration of the oil cuased byoverheating is avoided.
 
The oil temperature can be adjusted between 0ºC to 100ºC.the heater is controlled manually or automatically .the heater will stop automatically when the oil temperature reaches a certain degree
 
Being installed with safety protection devices, the heating system is secure and reliable.the heater will stop operation automatically when the oil volume of inlet is too much to avoid the damages of the heater
 
Oil-level controlling system
The oil-level floating ball and double-infrared liquid level automatic controller system are installed in the vacuum vessel to control the oil level so as to avoid the oil leaking in the operation.
The new innovation of eliminating forth can avoid the oil ejecting and gushing during the process.
 
High quality components
The main component parts of our products such as vavuum pump ,oil pump, motor and electric apparatus are from SIEMENS, ABB, SCHNEIDER, LEYBOLD and AMICO etc. They ensure our products high quality and reliability.
 
Structure and apparatus of oil purifier
Our products adopt ship-shape chasis-mount structure to ensure oil leak proof and protect the environment from pollution.
 
The whole equipment is characterized by small size.light weight and convenient to move around.various sizes and configurations (alloy shield) available
 
Available in mobile or stationary options
 
Automatic vacuum oil purifier or anti-explosion vacuum oil purifier is both available according to customers' need.
 
Cooler, medium condenser system
The system is composed of cooler .condenser, water receiver etc.
 
The vapor and other gas, which is evaporated from vacuum separator, first drop in temperature and are rid of moisture in condenser, then are condensed again in cooler which has retarded exchange media .the reductive condensed water are discharged by water receiver, the dry gas, which are condensed and rid of moisture twice, are discharged to air by vacuum pump so that it protects vacuum pump.
 
The plant is characterized by small size, light weight, rich color, and our company can produce trail car type and closed type (alloy shield) according to the customer's requirement.
 
In order to make sure that the stable of oil purifier plant which can work long time and extend the life of the machine, the oil purifier's  main parts such as electric control parts, electric motor, vacuum pump, oil pump are imported from SIEMENS,LEYBOLD,ABB etc.