Vacuum batch rectification column with pressure regulating device inside the column and using method thereof
A technology for regulating devices and internal pressure, applied in the direction of distillation adjustment/control, fractionation, etc., can solve the problems of reducing the pressure drop of the whole tower, low pressure drop, and limited vacuum degree in the rectification tower, and achieve the reduction of the pressure drop of the whole tower and the pressure drop of the tower. The effect of reducing the temperature of the kettle, reducing the temperature of the tower kettle, and reducing the production cost
Active Publication Date: 2014-10-08
SHANDONG ZHONGSHAN PHOTOELECTRIC MATERIAL CO LTD
View PDF6 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, the new high-efficiency packing put into industrial application already has a very low pressure drop, and the vacuum degree that the vacuum system can achieve is also limited. A breakthrough point in the study of the pressure drop of the whole column of the distillation column, which has important practical significance for the intermittent distillation separation of heat-sensitive materials and high-boiling materials
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment
[0026] Such as figure 1 As shown, there is a vacuum batch rectification tower with a pressure regulating tower in the tower, and the pressure regulating device in the tower is composed of a vapor-liquid separator 16, a magnetically driven fan impeller 17, a liquid phase redistributor 18, a liquid phase loop 19 and a tower internal The pressure regulating device shell 8 is composed;
[0027] Wherein, a vapor-liquid separator 16 is arranged in the upper part of the housing 8 of the pressure regulating device in the tower, a magnetically driven fan impeller 17 is arranged in the middle, and a liquid phase redistributor 18 is arranged at the bottom, between the liquid phase redistributor 18 and the vapor-liquid separator 16 A liquid phase loop 19 is provided.
[0028] The two ends of the pressure regulating device in the tower are respectively connected to the first packed tower section 2 and the second packed tower section 4, which jointly constitute the entire rectification tow...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a reduced-pressure batch rectification tower with an inner pressure adjustment device and a use method thereof. The reduced-pressure batch rectification tower is provided with the inner pressure adjustment device. The inner pressure adjustment device comprises a steam-liquid separator, a magnetically-driven fan impeller, a liquid phase re-distributor, a liquid phase loop and an inner pressure adjustment device housing. An upper part in the inner pressure adjustment device housing is provided with the steam-liquid separator; a middle part in the inner pressure adjustment device housing is provided with the magnetically-driven fan impeller; and a lower part in the inner pressure adjustment device housing is provided with the liquid phase re-distributor. The liquid phase loop is arranged between the liquid phase re-distributor and the steam-liquid separator. Through utilization of the inner pressure adjustment device, segmental distribution of the gradient of pressure in the rectification tower is realized; the whole pressure drop and a tower temperature are reduced; the number of theoretical plates is large; separation efficiency is high; operation is flexible; the separation of a heat-sensitive material from a high-boiling material is promoted; and the application prospect is wide.
Description
technical field [0001] The invention relates to the separation technology of batch rectification, in particular to a vacuum batch rectification tower with a pressure regulating device inside the tower and a use method thereof. Background technique [0002] Heat-sensitive materials refer to materials that are sensitive to temperature and will deteriorate when heated to a certain extent, that is, materials that undergo decomposition, polymerization, or other chemical reactions. They are widely used in pharmaceuticals, spices, food, dyes, and petrochemical industries. The thermal instability of heat-sensitive materials brings great difficulties to the separation and purification process. The separation and purification of heat-sensitive materials can be carried out by "cold state" separation and purification methods, such as crystallization, supercritical extraction and chromatographic separation; thermal separation techniques, such as distillation or rectification, can also be...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): B01D3/14B01D3/42
Inventor 李哲赵朔张瑞超白鹏李学
Owner SHANDONG ZHONGSHAN PHOTOELECTRIC MATERIAL CO LTD