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What Kinds Of Oil Leaching Equipment Are There?

Time:Wed-01-22 hits:
Oil leaching is a process of extracting oil with organic solvent. Solvent is used to extract oil and separate it.
 
Let's first understand the importance of oil extractor:
 
Leaching device is the core equipment of oil extraction process, its quality is directly related to the economic and technical indicators of leaching production. Therefore, the reasonable selection of leachout is of great significance to improve the efficiency of leachout production, reduce the production cost and improve the economic benefit of the leachout oil plant.
 
Common leaching devices are as follows:
 
Tank group extractor


Often used for many varieties of small batch of small production enterprises.
 
It is characterized by simple equipment, low investment, low solvent consumption and energy consumption, and strong adaptability of oil.
 
Flat turn extractor


Features: simple structure, easy manufacturing, small power consumption, combination of spraying and soaking, good leaching effect.
 
Box chain extractor


More suitable for large-scale modern factory needs.
 
Box chain type leach in the push box structure, the use of parallel transfer leach similar box format material box design, so that the material in the material bed is divided into several independent units;
 
A soaking area is formed in each material grid to obtain better soaking effect; Moreover, it can effectively prevent the flow of mixed oil at all levels on the material layer and ensure the concentration gradient between the spray sections.
 
In the moving parts, it adopts the movement principle of similar ring and drag chain extractor, and adopts the biaxial hydraulic motor to drive, balancing force, reliable operation and low maintenance cost. At the same time, the speed of the hydraulic motor can be adjusted freely, so as to adapt to various oil materials.
 
In the box structure, the split design of the annular extractor is adopted, which greatly facilitates transportation and installation.
 
Drag chain extractor


 
Its leaching principle is similar to the annular leaching device. Although the bending section is cancelled, the material falls from the upper layer to the lower layer, and the material can be thoroughly turned under the action of the material turning mechanism, so it can also ensure good permeability, and the residual oil can reach 0.6% ~ 0.8% in practice.
 
Because there is no bend section, the overall height of the chain extractor is much lower than that of the ring extractor.

Ring extractor




The biggest characteristic of annular leach is that the material can turn when entering the lower layer from the bending section, so that the material leaching is more uniform and thorough, the material layer is shallow, the wet meal contains less solution, and the residual oil is easy to drop to less than 1%.
 
The common leachers in the leaching system are flat rotary leachers and ring leachers.
 
Oil leaching equipment can be divided into intermittent type and continuous type according to the production operation mode.
 
Intermittent type is the use of multiple solvents to soak the oil, until the oil in the oil soak out.
 
Continuous leaching: the material embryo into the extractor, the meal from the extractor unloading continuous leaching process belongs to this type of process.

 
According to the contact mode, the oil leaching process can be divided into immersion leaching, spray leaching and mixed leaching:
 
(1) Immersion leaching: the material embryo soaked in solvent to complete the leaching process is called immersion leaching. A soaking type of leaching equipment has tank group, in addition to bow, "U" and "Y" shaped leaching device.
 
(2) Spray leaching: the solvent in the spray state contact with the material embryo and complete the leaching process is called spray leaching, is a spray leaching equipment such as belt leaching device Q
 
(3) Mixed leaching: this is a leaching method combined with spraying and soaking. Belong to the mixed leaching equipment has flat rotary leaching device and ring leaching device.

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