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Technical application of fractionation crystallizing tank for rapeseed oil dewaxing process

A technology of crystallization tank and rapeseed oil, applied in the direction of fat oil/fat refining, fat production, etc., can solve the problem that the winterization production capacity cannot meet the needs of business delivery and packaging oil, and improve the effective utilization rate, improve the effect, Improve oil-boosting effect

Inactive Publication Date: 2017-06-30
中粮粮油工业(九江)有限公司
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Problems solved by technology

[0003] The purpose of the present invention is to provide a fractionation and crystallization tank for the technical application of the rapeseed oil dewaxing process, which solves the problem that the existing production technology of the current rapeseed oil winterization production line cannot meet the needs of business delivery and packaging. oil need problem

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  • Technical application of fractionation crystallizing tank for rapeseed oil dewaxing process

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Embodiment Construction

[0012] A fractionation and crystallization tank is used for the technical application of rapeseed oil dewaxing process, such as figure 1 As shown, a two-stage process of crystallization process and filter aid process is adopted. The crystallization process adopts the gradual cooling method of 8 crystallization tanks in the fractionation system, the oil temperature is controlled at 10-14 ° C, and the frequency of the crystallization tank is 20-45HZ; In the filter aid process, after the crystallization of rapeseed oil is completed, filter aid is added to filter out the refined oil. The oil outlet temperature of the refined oil is 10-25°C, the water content is ≤0.02%, the wax content is ≤5ppm, and the freezing time is more than 24 hours.

[0013] The crystallization process is to drive the first-grade oil in the crude oil tank 1 into the energy-saving heat exchanger 11 through the crude oil pump 3, enter the crystallization tank of the fractionation system after heat exchange, pas...

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Abstract

The invention discloses a technical application of a fractionation crystallizing tank for a rapeseed oil dewaxing process. The technical application includes a crystallizing procedure and a filtration aiding procedure, the crystallizing procedure adopts a gradually cooling method by a fractionation system and eight crystallizing tanks, oil temperature is controlled to range from 10 DEG C to 14 DEG C, and the frequency of the crystallizing tanks is 20-45HZ. According to the filtration aiding procedure, rapeseed oil is crystallized, filtration aids are added into the rapeseed oil to filter out a refined oil product, the oil temperature of the refined oil product is 10-25 DEG C, water content is lower than or equal to 0.02%, paraffin content is lower than or equal to 5ppm, and freezing time reaches 24 hours or more. By the aid of equipment such as the fractionation crystallizing tank and a refrigerating machine, rapeseed oil dewaxing crystallization requirements are met by adjusting production process parameters, a dewaxing function is achieved by additionally mounting equipment such as a filter, the original filtration aid adding mode before crystallization of the rapeseed oil dewaxing process is changed into a filtration aid adding mode for filtration after crystallization, effective availability of the equipment is improved, and oil extraction efficiency is increased.

Description

technical field [0001] The invention relates to the technical application of a fractionation crystallization tank used in a rapeseed oil dewaxing process. Background technique [0002] The current production capacity of the rapeseed oil winterization production line is 200T / D. Since the production capacity of a single refining plant is 600T / D, the production capacity does not match. There is one day of refining and 3 days of winterization. It often happens that the winterization capacity cannot meet the business delivery and packaging Use oil as needed. Contents of the invention [0003] The purpose of the present invention is to provide a fractionation and crystallization tank for the technical application of the rapeseed oil dewaxing process, which solves the problem that the winterization production capacity of the existing production technology of the current rapeseed oil winterization production line cannot meet the needs of business delivery and packaging The proble...

Claims

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Application Information

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IPC IPC(8): C11B3/00
CPCC11B3/001C11B3/008
Inventor 韩伟李建国孙泽清李世春
Owner 中粮粮油工业(九江)有限公司
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