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a flow tower

A technology of through-flow towers and trays, applied in the field of through-flow towers, which can solve problems such as small contact area and poor material distribution uniformity, improve heat and mass transfer efficiency, save tower kettle reboilers, Effect of small pressure drop loss

Active Publication Date: 2016-02-17
ZHENGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The gas-liquid contact area of ​​this structure is small, and it can only complete the function of evaporation and concentration, and because the orientation of the heating tubes of each tray is the same, the uniformity of material distribution is not good

Method used

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Embodiment 1

[0032] Such as figure 1 , image 3 , Figure 4 As shown, a kind of fiber ethanol concentrated distillation flow-through tower, the top of the tower body 2 is provided with an exhaust port 10, the upper part of the tower body 2 is provided with a feed port 9, and the feed port 9 is connected with a liquid distributor 8, and the lower part of the tower body The air inlet 3 is set, and the discharge port 1 is set at the bottom. The tower body is equipped with multi-layers made of water droplets (such as figure 2 shown) or a quadrilateral (such as Figure 8 As shown) the through-flow tray 4 composed of the tube assembly and the support plate 40 (only the drop-shaped assembly is shown in the figure, the drop-shaped or quadrangular tube assembly can be freely combined and used, and can also be used alone), and the tower body 2 is equipped with The jacket 5 is provided with a steam inlet 6 and a condensed water outlet 7 on the jacket 5, and the section of the cross-flow tray 4 i...

Embodiment 2

[0037] Such as Figure 5 , Figure 6 , Figure 7 As shown, a pyrolysis gas fractionation through-flow tower, the top of the tower body 2 is provided with an exhaust port 10, the lower part of the tower body is provided with an air inlet 3, and the bottom part is provided with a discharge port 1. The tower body is equipped with a multi-layer drop-shaped or quadrilateral flow-through tray 4, and a jacket 5 is provided outside the tower body, and a cooling medium inlet 6 and a cooling medium outlet 7 are arranged on the jacket, and multiple side line outlets 8 are arranged in the middle of the tower. The cross-section of the through-flow tray is as Figure 6~7 shown. The distribution parts of two adjacent trays are staggered, and four trays form a group, and the distribution parts of adjacent trays can be perpendicular to each other such as Figure 5 , or two pairs of trays are perpendicular to each other such as Figure 5 . The diameter of the tower body 2 is generally 400~3...

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Abstract

The invention discloses a dual-flow tower. The dual-flow tower comprises a tower body and a plurality of layers of tower plates, wherein each tower plate comprises a supporting plate and a pipe assembly which is arranged on the supporting plate, the pipe assemblies are arranged at intervals on the supporting plate, the supporting plates are connected with the tower body, the pipe assembly is of a closed structure, two ends of the pipe assembly are respectively communicated with a jacket outside the tower body, a medium inlet and a medium outlet are formed on each jacket, and heating or cooling medium can be introduced between the jacket and the pipe assembly. Compared with the traditional dual-flow sieve plate and angular dual-flow tower, the dual-flow tower is formed by water-drop-shaped or quadrangle closed structure dual-flow tower plates, the water-drop-shaped or quadrangle pipe assembly is compared with a sieve pore and an angular part, the water-drop-shaped part consists of an upper conical section and a lower curved surface section, the quadrangle part consists of an upper conical section and a lower conical section, the surface area is larger, so that the gas-liquid contact area is greatly increased, and the heat and mass transferring efficiency is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of chemical equipment, and in particular relates to a through-flow tower. Background technique [0002] Ethanol is a liquid fuel and the most important substitute for petroleum. Cellulose ethanol production is to hydrolyze cellulose in agricultural and forestry wastes into monosaccharides, and then ferment the monosaccharides to obtain ethanol. At present, there are still many problems in the production technology and equipment of cellulosic ethanol, such as poor suitability of raw materials, low conversion rate of raw materials, high energy consumption in the production process, etc. The high production cost reduces the market competitiveness of cellulosic ethanol. [0003] Different from starchy raw materials, in the production of cellulosic ethanol, high solid content in raw materials is its biggest feature. Due to the high solid content in the fermented mash, when using traditional sieve plates, bubble...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D3/14
Inventor 陈俊英李洪亮马晓建方书起常春韩秀丽刘利平白净
Owner ZHENGZHOU UNIV
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