Spinning type stripping packed tower and method for applying same to deacidification and deodorization of fatty acid ester

A packed tower and spin-type technology is used in the field of deodorization and deacidification of animal and vegetable oils, which can solve the problems of low stripping tower efficiency and poor deacidification effect.

Active Publication Date: 2016-10-12
海盐县精细化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has the advantages of high deacidification efficiency and high product quality, and solves the technical problems of low efficiency and poor deacidification effect of conventional strippers

Method used

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  • Spinning type stripping packed tower and method for applying same to deacidification and deodorization of fatty acid ester
  • Spinning type stripping packed tower and method for applying same to deacidification and deodorization of fatty acid ester
  • Spinning type stripping packed tower and method for applying same to deacidification and deodorization of fatty acid ester

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as figure 1 As shown, the present invention provides a spin-type stripping packed tower, comprising a tower body 1, an upper support frame 3, a lower support frame 4, a central shaft 5, a tower inner cylinder, and a feed device 2 positioned above the tower inner cylinder , the driving device located below the tower inner barrel; the feeding device 2 includes a conventional pressure distributor 13, which can evenly spray the material on the tower inner barrel;

[0034] Such as image 3 The shown upper support frame 3 and the lower support frame 4 are provided with a central hole matching the central shaft 5, extending 3-6 with the legs 6 centered on the central hole, and the ends of the legs 6 are welded to the tower body 1; the central shaft 5 is connected to the upper support The frame 3 and the lower support frame 4 are connected by ball bearings; the central shaft and the support frame connect the tower inner barrel and the driving device to the tower body 1, w...

Embodiment 2

[0044] Embodiment 2: The impeller 11 is located below the lower support frame 4, and the rest are the same as Embodiment 1.

Embodiment 3

[0045] Embodiment 3: Investigate the rotating speed and deacidification effect of the inner cylinder:

[0046] Conditions: spin stripping tower in Example 1, tower body diameter DN1000; packing specification: CY700 type; height: 3000mm;

[0047] step:

[0048] a. The top of the tower is vacuumed, and the vacuum residual pressure on the top of the tower is controlled: ≤200pa;

[0049] b. Inject steam into the steam nozzle and control the speed of the inner cylinder of the tower to about 80 rpm by adjusting the amount of steam injected;

[0050] c. The feeding device sprays isopropyl myristate at 220°C, and the feeding speed is 1500L / hour;

[0051] d. After the material and steam are fully mixed in the tower, the steam is discharged from the upper pipe of the tower and condensed as waste. The product flowing out of the lower pipe of the tower is collected and the content of free acid is checked. The results are shown in Table 1 below.

[0052] Table 1: Inner barrel speed and ...

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Abstract

The invention discloses a spinning type stripping packed tower and a method for applying the same to deacidification and deodorization of fatty acid ester. The spinning type stripping packed tower comprises a tower body, an upper bracing frame, a lower bracing frame, a central shaft, an inner container, a feeding device arranged above the inner container and a drive unit located below the inner container. According to the invention, steam is used as power for rotation of the inner container; a wire mesh in the inner container can cut and disperse fatty acid ester injected from the upper part of the inner container into numerous fine liquid drops under the condition of high-speed rotation so as to allow the fatty acid ester to become mist-like, so the surface area of liquid fatty acid ester is greatly increased, the contact surface of the liquid and the steam entering from the lower part is increased, free fatty acid in the liquid can be more easily evaporated and dissolved in the steam, the mist-like liquid fatty acid ester realizes full coverage, and no dead angle is left on the surface of a filling material. The spinning type stripping packed tower greatly improved efficiency of the filling material, thereby achieving the purpose of thorough separation of the free fatty acid from stink and fatty acid ester.

Description

technical field [0001] The invention relates to a stripping packed tower for deacidification and deodorization of fatty acid esters and a method for applying it to deacidification and deodorization of fatty acid esters, and is also suitable for deacidification and deodorization of animal and vegetable oils. Background technique [0002] Fatty acid esters are widely used. For example, biodiesel (an alternative fuel) contains esters (eg, fatty acid methyl esters, fatty acid ethyl esters, etc.). Some low molecular weight esters are volatile and have a pleasant odor, which makes them useful as fragrance or flavoring agents. Fatty acid esters are also used as solvents for lacquers, paints, varnishes, etc. Esters are also used as softeners in resins and plastics, plasticizers, flame retardants, and additives in gasoline and oil. In addition, esters find use in the manufacture of polymers, films, textiles, dyes, and pharmaceuticals. Therefore, fatty acid esters are very useful ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B3/14B01D3/38
CPCB01D3/38C11B3/14
Inventor 何关印方海明
Owner 海盐县精细化工有限公司
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