Device and method for preparing high-quality wax

A high-quality, oil-in-wax technology, applied in the chemical industry, can solve the problems of large size, low output per unit volume, and space occupation

Active Publication Date: 2021-04-09
INNER MONGOLIA YITAI COAL BASED NEW MATERIALS RES INST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The structure of the above-mentioned sweating equipment is simple, but the efficiency is low, because the whole sweating equipment is heated by the heating tubes on the four walls of the oven, so the equipment is huge in size, occupies a lot of space, and the output per unit volume is low

Method used

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  • Device and method for preparing high-quality wax

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Embodiment Construction

[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0042] Such as figure 1 As shown, the embodiment of the present invention provides a device for preparing high-quality wax. The traditional sweating room or oven room is changed into a tubular deoiling tower, which reduces the footprint of the unit deoiling device, which includes a molecular distillation unit , Solvent deoiling unit, solvent recovery unit, fractional crystallization unit and white clay refining unit.

[0043] The molecular distillation unit is used for preliminary separation of the base wax. If the quality of the raw material is high, it can directly enter the solvent deoiling unit without the molecular distillation unit.

[0044] The molecular distillation unit comprises a thin film evaporator 1 and a m...

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Abstract

The invention discloses a device and a method for preparing high-quality wax. The device comprises a solvent deoiling unit, a solvent recovery unit, a fractional crystallization unit and a clay refining unit; the solvent deoiling unit comprises a deoiling raw material tank, a solvent tank, a deoiling tower and a solvent and under-wax oil collecting tank; the solvent recovery unit is used for separating the solvent from the under-wax oil collected in the solvent and under-wax oil collecting tank and recovering the solvent; the fractional crystallization unit comprises a plurality of crystallizers connected in series and is used for removing light components in the rectified fraction to obtain a target crystallized component; the clay refining unit comprises a filter, and a filter screen is arranged in the filter. The method is simple to operate, low in cost, wide in adaptability and high in solvent recovery rate and deoiling efficiency.

Description

technical field [0001] The invention belongs to the technical field of chemical industry, and in particular relates to a device and method for preparing high-quality wax. Background technique [0002] In the process of petroleum refining, high-wax distillate oil and residual oil are obtained after separating light fuel oil components such as steam, coal, and diesel oil. Among them, the high-wax distillate oil can be separated from paraffin and base oil by solvent method or freezing method, so that the obtained paraffin also contains 1%-5% "oil". The inclusion of these residual oils in paraffin will reduce the melting point of paraffin and make Paraffin softens and gives the wax an oily smell. This brings a lot of negative properties to the widely used paraffin wax, and even affects its use. [0003] The existing solvent deoiling device has high cost, bulky device and mediocre deoiling effect. The classic deoiling process that has been around for many years is known in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G73/02C10G73/06
CPCC10G73/06C10G73/02Y02W30/74
Inventor 钱震周岩李俊诚苗恒菅青娥马国清郑会月郭良兰王海国高源解利军秦艳
Owner INNER MONGOLIA YITAI COAL BASED NEW MATERIALS RES INST CO LTD
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