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Furfural produced by computer-controlled alkali and acid matching, and acid mist spraying in throwing manner

A technology of mixing alkali and acid, which is applied in organic chemistry and other fields, and can solve the problems of excessive pickling and inability to produce furfural, etc.

Inactive Publication Date: 2011-08-03
武建民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the material is mixed with acid, the material is put into a blade-type screw conveyor, so that the material is conveyed forward while stirring. The acid spraying pipe is to drill a plurality of holes of about Φ6 mm on a pipe, and the material is sent to the material through the hole. The disadvantage of this acid mixing method is that some materials are pickled a lot, and some materials cannot be soaked in acid water. Acid is a catalyst, and materials that cannot be soaked in acid cannot be produced. furfural, so these backward processes need to be changed

Method used

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  • Furfural produced by computer-controlled alkali and acid matching, and acid mist spraying in throwing manner

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Embodiment Construction

[0008] Such as figure 1 Shown, under the control of computer (24), water inlet metering pump (1) starts working, and water is squeezed in the soda tank (3) according to the amount, and at this moment, computer (24) controls screw soda machine (2 ) starts, and the alkali is sent into the alkali tank (3) according to the amount, and then the computer (24) opens the steam solenoid valve (5) to heat and stir the alkali with steam. ) to display its pH value for people to monitor, at this time computer (24) closes the steam inlet electromagnetic valve (5) and opens the alkaline water electromagnetic valve (6), and the alkaline water is output, thus completing the alkali distribution process .

[0009] Such as figure 1 As shown, under the control of the computer (24), the water inlet metering pump (17) works, and the water is poured into the acid distribution tank (14) according to the amount, and then the computer (24) controls the concentrated acid metering pump (16) to start, A...

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Abstract

The invention relates to a process that a computer is used for controlling alkali and acid matching and acid mist spraying in throwing manner so as to lead alkali and acid matching to be more scientific and more accurate; acid mist spraying in the throwing manner leads peripheries of all particles of the materials to touch acid, thereby avoiding the shortcoming that by the traditional process, the yield is affected as part of materials can touch acid and part of material cannot touch acid.

Description

technical field [0001] The invention relates to the use of a computer to control metering pumps in the furfural industry when mixing alkali and acid and mixing materials with acid, and throwing the materials in the air to spray acid mist, so that 100% of the materials are covered with acid, so that the yield of furfural can be increased. Background technique [0002] In the production of furfural factories in my country, metering tanks are generally used when mixing acids and alkalis. For example, when mixing alkalis, a metering tank is generally used. Add a certain amount of water and watch the water reach a certain position with your eyes. Then After adding a certain amount of solid alkali, use steam to stir. After the solid is alkalized, put the alkaline water in the tank into the designated crude furfural tank to neutralize the acid-containing crude furfural and make it neutral. . When mixing acid, first put a certain amount of water in a metering tank, then open the valv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D307/50
Inventor 武建民
Owner 武建民