Introduction of Shandong Leader Machinery Co.,Ltd. Crude Oil Refining Machine
1>. Palm oil mill have main ten parts:Reception Station,Sterilizer,Threshing,Press,Clarification, Kernel Recover, power station, boiler station, water treatment plant, oil storage tank.
2>. Shandong Leader Machinery Co.,Ltd. use the Fresh Fruit Bunch, because the palm fruit rancidity is very fast, if the rancidity will be influence the palm crude oil acid value, if the acid value is very high, the refining eCrude Oil Refining Machineiciency will drop.
3>. Generally speaking, The palm fruit processing plant is best away from the palm orchard.
Shandong LD Grain and Oil Machinery Co.,Ltd
|The Operation Principle for automatic pecan screw pressing machine|
When oil presses operating prepared material enteres extruding chamber from the hopper and then moves forwards by the rotating
pressing screw and that is pressed. Under the high-pressure condition in the chamber,fricion between material and screw.
between material and chamber will be created, which also creates friction and relative movement among material particles.
on the other hand, root diameter of the pressing screw caries larger from one end to the other, hence. When rotaing, it not only pushes
particles moving forwards but turns them outwards as well, meanwhile, particles adjacent the screw will rotation along with screw rotating,
causing every particle inside the chamber to possess different speed. Therefore relative movement among particle creates heat which is
necessary during manufacturing because of helping protein change property, damage colloid, increase plasticity, decrease oil's elasticity
resulting high oil productivity.
|Machine Operation for automatic pecan screw pressing machine|
2.1 Preparations before operating
First step: Feeding must be steady and slow at the beginning to avoid blocking.
Second step: In the case no cake is extrude outward, return back the screw for 1-2circles. If there is still no cake is Observed, machine
needs to be shut down and checked, however, in any case, operating the machine backward is absolutely phohibited normally.
Cake looks like tile but not sticky; thickness is 1-2mm, inner side is smooth, outside creases and on the surface is not allowed.
Cake thickness adjustment; rotating the adjusting handle clockwise will make the cake thicker, otherwise will make it thinner.
Each circle of adjustment ( by adjustment bolt left hand T165x6) will change the thickness to 0.4-0.5mm.
Third step: When machine is operating, oil extruding and residue outlet need to be checked frequently. Normally, most of oil will flow
outward from square rods and several front round plates. Broken cake residue indicates the material is too dry; steam emerging from the
cake residue indicates that it is too wet; in any case, water contented in the raw material msut be adjusted from time to time.
Slag slice emerging indicates too much water content and power like slag low water content. Loose round plates will cause too much
slag flowing outwards. However, adequate water content will cause slag flowing outwards from square rods; little slag from round plates is
allowed. In a word, water content affects oil output rate, it needs adjusting properly.
|Safety for automatic pecan screw pressing machine|
Following items are strictly requested to be obeyed.
1.During operation, hands or metal roads are strictly prohibited to enter the hopper to touch cakes.
2. Tightening the screw shaft to its dead end is prohibited before starting or during operating, which might cause slag outlet to contact
cake outlet ring, resulting in wearing. In the case of storage, oil dirt on machines surface and slags on each part need to be taken off.
Paint rust-resisting grease and keep in dry place. Case needs to be covered to prevent dirty foreign particles entering.
|General Models for automatic pecan screw pressing machine|
|Speed of Press screw||30-45r/min||30-40r/min||30-40r/min||28-40r/min||28-40r/min|
|Gear Ratio of Gear Case||
|Factors affecting oil output rate for automatic pecan screw pressing machine|
Following factors may affect oil output rate:
1.Water content: This is the critical factor, as a matter of fact, water content directly affects oil output rate. However, user usually has
not proper inspection equipment. Hence, water content of some main raw material may be detected as followings:
* Bean: if teeth beating could crack it, forming flat pieces accompanied with light sound, the water content is suitable. Flat piece without
cracking means too wet. Heating or sunshine may be drive water off. However, cracking accompanied with loud indicates too dry.
Adequate water needs to be added.
*Cotton seeds: shell and kernel may be separated by teeth beating. Shell breaking may be accompanied by sound, which means water
content is suitable. Shell being flatting indicates too wet, shell being splitted into powder means too dry.
*Rape seeds: They can be pressed either at hot or at cold state. Cold pressing: extruding by finger, if they splitted into two pieces,
accompanied by sound and oil, this implicates water content is adequate. Otherwise, extruding makes, power indicates too dry,
makes flat slice, too wet. Hot pressing( after heating); to scratch seeds by two slices of wood, if shell and kernel could be splitted,
water content is adequate. If kernel becomes power, it is too day, in the case that shell and can be splitted, it is too wet.
2. Cakes thickness reflects the pressure inside the chamber. Thicker cake indicates lower pressure inside the chamber,
thinner cake-higher perssure inside. If raw material has less oil content, chamber perssure should be higher, cake will be thinner,
round plates need to be tightened, in the case of high oil content material, pressure in the chamber should be lower, then circular
plates need to be loosened, resulting in thicker cake. Recommended thickness of cakes will be.
*Bean: 1.1-1.5mm for the first time; 0.5-1mm for the second time.
*Cotton seeds: only one pressing, 1-2mm.
*Ground nut kernel: normally cold pressing for 2-3 times, 1-2mm
Note: cakes thickness should be as according to different factors to achieve highest oil output rate.
Hence, above figures will only be for reference.
|Extruding methods for automatic pecan screw pressing machine|
*Bean: two ways, cold and hot extruding
(1) Cold extruding: beanÃÂ¢ÃÂÃÂselectingÃÂ¢ÃÂÃÂ pressing ( in case of adequate water content).
(2) Hot extruding: beanÃÂ¢ÃÂÃÂselectingÃÂ¢ÃÂÃÂ pre-preingÃÂ¢ÃÂÃÂheating (steaming ect.)ÃÂ¢ÃÂÃÂ pressing.
Firstly, selecting beans and remove foreign particles, then soften by breaking and adding water of 7-8%, and then steam them to 115ÃÂÃÂ°c,
beans will be ready for extruded.
*Rape seeds: also, cold and hot extruding for your choice, but normally hot extruding is recommended.
Cold extruding: selectingÃÂ¢ÃÂÃÂpre-pressing.
Hot extruding: selectingÃÂ¢ÃÂÃÂpre-pressingÃÂ¢ÃÂÃÂheating(steaming ect)ÃÂ¢ÃÂÃÂpressing
When hot extrusion, to remove foreign particles by selection, then check water content as described above; in case of too dry,
add 2.5%-3% water. Normally two times extruding is enough.
When cold extrusion, after selecting, to pre-press and heat them, during heating, add 2%-3% of water and await till look coffee color
and temperature 110-120ÃÂÃÂ°c, then ready for pressing.
|The Advantages for automatic pecan screw pressing machine|
1. Transmission Device: low noise, long life, stable operation, transmission ratio is easy to be constant.
2.Main Part( worm material): high Cr content, more wear-resisting, forging, the internal grain is more fine, smooth and uniformity.
Improving mechanical property of material. surface hardening hardness is 48-55HRC.
3. Heating Processing Technology: vacuum heat treatment, don't destroy surface quality, little part deformation, vacuum heat treatment
is a new heating processing technology combining vacuum technique and heat treatment technics. It means all or partial of heating
processing technology is under the vacuum state.
4.Output and Energy Consumption: output 20-28kg/kw, energy consumption per unit,0.03-0.05kwÃÂ¢ÃÂÃÂ¢h/kg
5.Electric Control Cabinet: using electrical compent of CHINT GROUP and SIEMENS, electric control cabinet has phosphating,
acid pickling and spraying plastics treatment, the electric control cabinet material is thick, circuit layout according to CE standard,
having heat dissipation structure.
6. After-sales Service: free field debugging and installation guide till acceptance, in charge of operating and technical skills training,
providing maintenance technology, providing information and advisory services about new technology and new process,
providing auxiliary product (free during the warranty period)
7.Brand Advantage: one of the " Top Tem Oil Pressing Machine", the most professional and original oil pressing machine manufacturer,
exporting to 105 countries and districts.
8. Technological Superiority: having 20 technicists,2 senior engineers, 2 doctors and 5 masters who is experienced in German and
South Korean technology. Cooperating with University of Technology.
|Our Customers all over the world|
If you are in the market for cooking oil machine, welcome to contact with Joanna!
Mobile phone: +86 13526828605 ( please add my whatsapp&viber ^ ^)
Reception Station for Crude Oil Refining Machine:
Used for loading palm fruit brunch from plantation,transport to sterilizer. Reception station adopt steel structure and concrete structure. Save equipment cost and construction cost.Have hydraulic control system, hydraulic door open/oCrude Oil Refining Machine automatic achieve continuous operation.Reduce operator, operate more easily and improve work eCrude Oil Refining Machineiciency.
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