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Continuous hydrolysis kettle converted from furfural intermittent hydrolysis kettle

A technology for hydrolyzing kettle and furfural, which is applied in chemistry/physics/physicochemistry fixed reactors, organic chemistry, etc., and can solve problems such as energy waste, environmental pollution, and steam loss

Inactive Publication Date: 2011-05-04
武建民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The second is that when discharging slag, the remaining steam in the kettle of about 3 kg is used to push the waste slag out of the hydrolysis kettle, which causes a large amount of steam to be lost and scattered in the air, resulting in a waste of energy and increasing the greenhouse effect. The steam contains dozens of Organic matter is a pollution to the environment

Method used

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  • Continuous hydrolysis kettle converted from furfural intermittent hydrolysis kettle
  • Continuous hydrolysis kettle converted from furfural intermittent hydrolysis kettle

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Embodiment Construction

[0010] Such as figure 1 As shown, a section of neck 20 is connected on the manhole flange of furfural hydrolysis kettle 15, and a feeding hole is obliquely opened on neck 20, and the flange on the hole is connected with the discharge port valve 10 of screw conveyor 2, when valve 10 is opened , the hydrolysis kettle 15 is connected with the screw conveyor 2, the feed box 3 is integrated with the screw conveyor, and is a pressure vessel, the screw conveyor 2 is driven by the motor 1 to rotate, and the feed box 3 is provided with a feed inlet valve 6, Pressure gauge 5, vacuum pressure gauge 4, vacuum pipe valve 7, steam pipe valve 8, condensation pipe valve 9, a material level monitoring device 11 is provided on the hydrolysis kettle 15, and all valves, motors, and material level monitoring devices are controlled by a computer 18.

[0011] The stirring device of the hydrolysis kettle is provided with a central hollow main shaft 12, and the central hollow main shaft 12 is provided...

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Abstract

The invention relates to a continuous hydrolysis kettle converted from a furfural intermittent hydrolysis kettle. An intermittent pressure preheating feeding device, a material level monitoring device, an intermittent deslagging amount and time control device and a computer control system for continuously discharging furfural are added to complete the converting process of the furfural hydrolysis kettle from intermittent to continuity.

Description

technical field [0001] The invention relates to a method of changing the current domestic fixed intermittent production hydrolysis kettle into a continuous hydrolysis kettle to achieve the goals of energy saving, emission reduction and production increase. Background technique [0002] At present, the furfural hydrolysis kettles in China are fixed intermittent production hydrolysis kettles, that is, a kettle of raw materials is installed, and the raw materials are fixed in the kettle. After steaming for 3 to 4 hours, the furfural gas produced is discharged to the next channel. The process is decondensed, and the remaining waste furfural slag is ejected into the atmosphere outside the kettle by several kilograms of exhaust gas in the kettle. After the hydrolysis kettle is emptied, the next kettle is loaded with new raw materials, and then the next kettle is produced, and so on. Foreign countries use a ball pot like popcorn. The whole pot is rotating, and the raw materials ins...

Claims

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Application Information

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IPC IPC(8): B01J19/18C07D307/48
Inventor 武建民
Owner 武建民
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