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Double-layer distillation tower

A distillation tower and double-layer technology, applied in the component field of oil refining equipment, can solve the problems of waste of raw materials, poor distillation and deacidification effect, etc., achieve the effect of uniform oil distribution, avoid waste, and increase production

Inactive Publication Date: 2012-05-02
李世平
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Problems solved by technology

[0003] The purpose of the present invention is to provide a double-layer distillation tower to solve the technical defects in the prior art that the distillation deacidification effect is poor and raw materials will be wasted during production

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Embodiment Construction

[0008] The present invention will be further described below in conjunction with accompanying drawing:

[0009] In the figure: 1. Upper tower body; 2. Upper vacuum pump interface; 3. Upper connecting flange; 4. Upper lifting lug; 5. Oil distribution plate; 6. Upper packing; 7. Upper packing frame; 8. Upper bracket ;9, upper direct steam injection pipe; 10, upper steam inlet pipe; 11, lower connecting flange; 12, lower vacuum pump interface; 13, lower oil distribution plate; 14, lower packing; 15, lower packing frame; 16, lower bracket 17, the lower steam inlet pipe; 18, the oil outlet pipe; 19, the lower direct steam injection pipe; 20, the lower tower body; 21, the lower lifting lug; 22, the oil inlet pipe;

[0010] A double-layer distillation tower, including a tower body, the tower body is composed of an upper tower body 1 and a lower tower body 20; an upper connecting flange 3 and a lower connecting flange 11 are arranged on the tower body, and an upper vacuum pump interfa...

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Abstract

The invention provides a double-layer distillation tower belonging to a component of an oil refining plant. The double-layer distillation tower overcomes the technical shortcomings of poor distillation deacidification effect and raw material waste in production in the prior art. The double-layer distillation tower comprises a tower body which is composed of an upper tower body and a lower tower body, wherein an oil inlet pipe and an upper vacuum pump connector are arranged at the upper portion of the tower body, while an oil output pipe is arranged at the lower part thereof; a deacidification device is arranged inside the tower body; the deacidification device comprises a packing rack and a lifting lug; the packing rack is fixed inside the tower body through a support; packing is arranged above the packing rack, while a jet device is arranged under the same; an oil distribution disc is arranged above the packing, and fixed to the tower body through the lifting lug; the jet device comprises a steam inlet pipe and a direct steam jetting pipe, and wherein two layers of deacidification devices are arranged inside the tower body; a lower vacuum pump connector and an oil receiving disc are arranged on the tower body between the two layers of deacidification devices; and an oil drainage pipe is arranged on the oil receiving disc. The double-layer distillation tower is mainly applied to oil refining deacidification.

Description

technical field [0001] The invention belongs to a component on oil refining equipment, and in particular relates to a double-layer distillation tower. Background technique [0002] An important process of oil refining is deacidification. At present, there are alkali refining method and physical refining method for deacidification. Due to the low oil yield of alkali refining method and excessive waste water and waste residue, physical refining method is widely used in the industry. The physical refining method is based on the principle that the boiling point of the fatty acid in the oil is lower than that of the oil, heating the oil, adding steam distillation, so that the fatty acid is removed and the oil is retained. However, for crude oil with an acid value (AV>6), it is difficult to make the refined oil meet the international first-class oil standard without alkali refining. This topic has always been a difficult problem that industry peers urgently need to solve. Dou...

Claims

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Application Information

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IPC IPC(8): C11B3/14B01D3/38
Inventor 李世平
Owner 李世平
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