A plate distillation column
Active Publication Date: 2021-06-29
WUXI KELUNDA CHEM & THERMAL EQUIP
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Problems solved by technology
[0003] Aiming at the problems in the prior art that the way of welding the trays is inconvenient for the installation, maintenance and replacement of the trays, the separation efficiency of the mixture is low, and the product purity is low, the present invention provides a plate type rectification column, which It is convenient to install, maintain and replace the tray, and can greatly improve the separation efficiency and the purity of the finished product
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[0020] Such as figure 1 , figure 2 As shown, a plate type rectification tower includes a tower body 1, a tower kettle 2 and a tower base 3. The tower body 1 is provided with a gas outlet 4, a return port 5, a feed port 6, and a discharge port 7. The tower body 1 is provided with several layers of trays 8 inside, the feed port 6 includes a first feed port 61 and a second feed port 62, and the top of the tower body 1 is provided with a cylindrical first fractionation chamber 9, the first fractionation chamber 9 A cone 10 is arranged between the tower body 1, a hemispherical head is arranged on the top of the first fractionation chamber 9, and a gas outlet 4 is arranged on the top of the head, and the bottom of the head on the cylinder wall of the first fractionation chamber 9 is arranged There is a return port 5, and the return port 5 communicates with the return pipe inside the first fractionation chamber 9. Below the return port 5 inside the first fractionation chamber 9, a ...
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A plate type rectification tower, which is convenient for installation, maintenance and replacement of the trays, and can greatly improve the separation efficiency and the purity of the finished product. It includes a tower body, a tower kettle and a tower base. There are several layers of trays inside the tower body, the feed port includes the first feed port and the second feed port, the top of the tower body is provided with a first fractionation chamber, and the top of the first fractionation chamber is provided with There is a hemispherical head, and the top of the head is provided with a gas outlet, and the bottom of the head on the cylinder wall of the first fractionation chamber is provided with a return port, which is connected to the return pipe inside the first fractionation chamber, and the return flow inside the first fractionation chamber There are sieve plates, first grid plates, fillers, and second grid plates in sequence below the mouth, and the gaps between the trays decrease from top to bottom. plate, the second baffle plate, the second baffle plate is provided with threaded holes, and the tower plates are fixed in the tower body alternately through the threaded holes, sealing gaskets and screws.
Description
technical field [0001] The invention relates to the technical field of chemical equipment, in particular to a plate type rectification tower. Background technique [0002] In the process of preparing chemical products, rectification towers are often used to separate the components of raw materials. The basic principle is to partially vaporize and partially condense the liquid mixture multiple times, and use the characteristics of different volatilization degrees of each component to achieve the purpose of separation. . It mainly includes a packed rectification tower and a plate rectification tower. The plate rectification tower mainly relies on trays to achieve uniform distribution of the mixture. Balance and separation, but currently welding is often used to weld the trays on the inner wall of the rectification tower. This installation method is not convenient for the installation, maintenance and replacement of the trays. Moreover, the separation efficiency of the mixtur...
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IPC IPC(8): B01D3/16B01D3/32
CPCB01D3/16B01D3/32
Inventor 董建平
Owner WUXI KELUNDA CHEM & THERMAL EQUIP