Product Description:
Tongrui company researches the new motor oil recycling machine (DIR waste vacuum oil distillation machine) from 2005,We’re the first factory to produce the vacuum oil distillation plant and with ten years of improvement, our technology is very mature, it is special for distilling and regenerating the black waste lube oil, including waste engine oil, lube oil, hydraulic oil, gear oil, dirty diesel oil, mixed oils etc.
This equipment adopts physicochemical way to polymerize, passivity, absorb, eliminate impurities and harmful contaminations. DIR waste oil distillation machine heat the waste oil to (from 110℃ to 350℃) different temperature under high vacuum condition, making Hydrocarbon molecules break out, and re-order combination, forming diesel oil, lubricating base oil etc. This newest techonology machine is very suitable for the small oil refinery company, also for the small oil company who want to make the oil by self.

Parameters:
Product Specifications | |||||||||
Model | Capacity | Vacuum set | Oil pump | Total power (KW) | Dimension/m (not include oil tanks) | ||||
| Gas inlet /mm | Gas outlet /mm | Vacuum set power/KW | Oil inlet /mm | Oil outlet /mm | Pump set power/KW | ||||
DIR-1 | 1 T/D | 150 | 50 | 16 | Φ25 | Φ25 | 8 | 102 | 6.6*3*7 |
DIR-2 | 2 T/D | 150 | 50 | 19.5 | Φ33 | Φ33 | 8.5 | 112 | 7.5*3*7.2 |
DIR-3 | 3 T/D | 200 | 50 | 22 | Φ42 | Φ33 | 12 | 134 | 8*4*7.5 |
DIR-4 | 4 T/D | 200 | 50 | 25.5 | Φ42 | Φ33 | 14.5 | 143 | 8.5*4.5*7.5 |
DIR-5 | 5 T/D | 250 | 50 | 29 | Φ48 | Φ42 | 19 | 145 | 10*6*7.5 |
DIR-6 | 6 T/D | 250 | 50 | 33.5 | Φ48 | Φ42 | 20.5 | 147 | 11*6.5*7.5 |
DIR-8 | 8 T/D | 250 | 80 | 36.5 | Φ64 | Φ48 | 27.5 | 180 | 13*7*7.5 |
DIR-10 | 10 T/D | 250 | 80 | 40 | Φ64 | Φ48 | 28.5 | 183 | 15*8*7.5 |
DIR-20 | 20 T/D | 300 | 80 | 45.5 | Φ64 | Φ48 | 36 | 220 | 18*8.5*7.5 |
The weight and the dimension just as a reference. The machine needs to design according to your factory. | |||||||||
Working principle
Step # 1: The waste oil is pre-treated by Centrifugal machine or Disccentrifuge to remove water and big dirty first for protect oil pumps and decrease the evaporate time.
Step # 2: Pump the catalyst(Add catalyst solvent, catalyst need mix with water first in the catalyst tank, the quantity of catalyst is 2%-5%) to mixed with the waste oil for about 30min.
Step # 3: when oil is pumped into the distillation kettle, begin to heating, we don’t heat the kettle directly, but use the conduction oil to heat the waste oil indirectly in heat-exchanger. There are many pipes into the heat-exchanger, the conducting fluid(hot oil) will circulate between boiler and the inside pipes of heat-exchanger, and waste oil will circulate between distillation kettle and outside pipe of heat exchanger, then conduct the heat to waste oil in exchanger.
Step #4: The temperature will be up by the heating. First you can get about 1.5% water will collected under temperature between 80-120 degree; second you can get about 7% diesel and gasoline oil mixture, the temperature is 170-210 degree; third there are about 42% light base oil under temperature between 230-250 degree; at last there is 43% heavy base oil, the temperature is 280-300 degree.The oil vapor will be cool down to oil by condenser, then goes into different receiving tank according to different temperature. There are pressure gauges and temperature gauges on the machine, you can control it totally.

Oil analysis after treatment | |||
Item | Unit | Heavy base oil | Light base oil |
Appearance | -- | transparency | transparency |
Color | ≤ | 1.5 | 1 |
Viscosity | (40℃)m㎡/s | 49.57 | 26.86 |
Viscosity index | ≥ | 96 | 96 |
Anti-oxidation | 150℃,min≥ | 180 | 180 |
Demulsification | 54℃ min | 5min | 5min |
Flash point(open) | ℃ ≥ | 228 | 224 |
Pour point | ℃ ≤ | -12 | -16 |
Neutraization value | mgKOH/g ≤ | 0.02 | 0.02 |
Why to choose us!
1.High efficient and recovery rate
Black engine oil can be got about 80%-85% yellow base oil, it can be changed into kinds of usable oil with adding some compound additives
Gasoline and diesel oil can be got about 6%-7%, it can be used as fuel
Waste oil residue: 6.5%, it can be used as fuel with some diesel
Water is about 1.5%, it can be put into the water pool as cooling system for the machine
2.High safety
One helpful machine can not only be profitable , but also safety needs to be guranteed. The yellow base oil can be got in negative pressure by our DIR series machine with indirect heating. Most companies choose direct heating to cut their cost. But it is not safety.
3.High Vacuum
Vacuum pump unit sets, at least three vacuum pump unit offered.












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