an alkali washing tower
An alkaline washing tower and tower body technology, applied in the field of alkaline washing towers, can solve the problems of excessive generation of waste water, large amount of alkali, unfavorable neutralization, etc., so as to reduce the generation and discharge, improve the extraction effect, and reduce the amount of alkali used in neutralization. Effect
Active Publication Date: 2018-01-19
JIANGSU GUOJIAO CHEM TECH
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Problems solved by technology
[0002] In the past, acrylic acid and alcohol will produce by-products during the lactonization reaction in the alkali washing tower, a saponification solution formed by oil and water, which affects the extraction effect, and the excess acid needs to be neutralized after the reaction. The alkali material is transported to the lower part of the tower body for neutralization reaction, but feeding from the lower part is not conducive to complete neutralization, the amount of alkali used is large, and more wastewater is generated
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[0011] With reference to accompanying drawing, a kind of alkali washing tower, it comprises tower body 1, alkali material delivery pipe 2, sight glass 3, saponification extraction pipeline 4, pump 5, tower body 1 is divided into upper section 11, middle section 12 and lower section 13 , the addition and subtraction material conveying pipe 2 is connected on the lower section 13 of the tower body 1, and the alkali-adding material conveying pipe 2 is also designed to be connected to the middle section 12 of the tower body all the way. 3 A saponification extraction pipeline 4 is connected to the lower section 13 of the tower body at the lower position, and a pump 5 is installed on the saponification extraction pipeline 4 .
[0012] A flow regulating valve 21 is housed on the described alkali-adding material conveying pipe 2 .
[0013] The alkali-adding material conveying pipe 2 is connected to the lower section 13 of the tower body or the middle section 12 of the tower body throug...
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The invention relates to the field of alkali wash tower, and specifically relates to an alkali wash tower used for improving a neutralization reaction and an extraction effect. The alkali wash tower comprises a tower body, an alkali material feeding delivery pipe, an observation window, a saponification pumping pipe, and a pump. The tower body is divided into an upper section, a middle section and a lower section. The alkali material feeding delivery pipe is connected to the lower section of the tower body. Another path of the alkali material feeding delivery pipe is connected to the middle section of the tower body. The observation window is arranged on one side of the upper end of the lower section of the tower body. The saponification pumping pipe is arranged below the observation window and is connected to the lower section of the tower body. The pump is arranged on the saponification pumping pipe. The alkali wash tower has an advantage of simple and intelligent design, reasonable and compact structure, and convenient application. An alkali material feeding process is designed into that the alkali material is fed through the two paths at the middle part and at the lower part, such that sufficient neutralization can be promoted; neutralization alkali dose is reduced, such that wastewater generation and discharge are reduced; with the observation window, saponification solution production can be monitored; once the saponification solution is produced, the saponification solution in the tower body can be drawn with the pump and the saponification pumping pipe, such that the generation of a byproduct influencing extraction can be prevented, and an extraction effect can be improved.
Description
technical field [0001] The invention relates to the field of alkali washing towers, in particular to an alkali washing tower used to improve neutralization reaction and extraction effect. Background technique [0002] In the past, acrylic acid and alcohol will produce by-products during the lactonization reaction in the alkali washing tower, a saponification solution formed by oil and water, which affects the extraction effect, and the excess acid needs to be neutralized after the reaction. The alkali material is transported to the lower section of the tower body for neutralization reaction, but the feeding from the lower section is not conducive to complete neutralization, the amount of alkali used is large, and more wastewater is generated. Contents of the invention [0003] In order to solve the above problems, the present invention proposes an alkali washing tower, which is simple and ingenious in design, reasonable and compact in structure, easy to use, conducive to c...
Claims
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IPC IPC(8): B01D53/78B01D53/40
CPCB01D53/40B01D53/78
Inventor 张孝俤梁效成陆新元王翠冈章启忠徐亚峰李小静
Owner JIANGSU GUOJIAO CHEM TECH