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Device and method for controlling flow reactor used for processing lignocellulose biomass

A lignocellulose and biomass technology, applied in fiber raw material processing, digester, textile and paper making, etc., can solve problems such as difficulty in observing plug tightness, pressure release danger, etc.

Inactive Publication Date: 2012-10-24
CHEMPOLIS OY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Therefore, the biggest problem is that it is difficult to observe the tightness of the plug during operation, which can lead to sudden dangerous situations due to pressure release

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  • Device and method for controlling flow reactor used for processing lignocellulose biomass
  • Device and method for controlling flow reactor used for processing lignocellulose biomass
  • Device and method for controlling flow reactor used for processing lignocellulose biomass

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Embodiment Construction

[0013] Hereinafter, various embodiments will be described with reference to the accompanying drawings. However, the invention is not limited to the shown implementations, but the presented solutions are examples of possible implementations. Features of various implementations may also be combined if these are not expressly conflicting or substitutable with respect to their technical implementation.

[0014] figure 1 An embodiment of device 140 is shown. figure 1 Only some elements are shown and the implementation of these elements may deviate from what is shown in the figures. Therefore, it should be understood that the device may also include other components. However, such other components may be irrelevant with respect to the actual invention, and therefore it is not necessary to discuss this other component in more detail here. Furthermore, it should be noted that although elements are described as being separate, some elements may be integrated into one physical eleme...

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Abstract

The present invention relates to a device and a method for controlling a flow reactor used for processing lignocellulose biomass. The present invention describes control to the flow reactor used for processing lignocellulose biomass with a device and a method. The device (140) comprises the flow reactor (104) used for processing the lignocellulose biomass, a feed pipe (100) used for feeding the lignocellulose biomass into the reactor, and a presser (102) used for pressing the lignocellulose biomass in the feed pipe. In addition, the device (140) comprises a sensor (106) used for measuring parameters related to the pressed lignocellulose biomass in the feed pipe, and a controller (108) used for controlling the presser based on the measured parameters, so as to continuously maintain compactness of a plug formed by the pressed lignocellulose biomass in the feed pipe, therefore, the plug can prevent the lignocellulose biomass in the reactor having a higher pressure than the lignocellulose biomass in the feed pipe from being discharged back into the feed pipe.

Description

technical field [0001] The present invention relates to a continuous reactor for the controlled processing of lignocellulosic biomass. Background technique [0002] In continuous reactors (for example in Pandia-type continuous digesters), the pressure is usually maintained on the basis of sealing plugs formed with the press screw and the pipe section through which the raw material is supplied behind. The tightness of the plug can be improved by adsorption. However, during cooking it is possible or even common that the plug does not seal for one reason or another. This results in a sudden release of pressure through the plug. This in turn leads to operational interruptions and hazardous situations, and may also lead to equipment failure. [0003] The tightness of the plug can be monitored sensoryally (by watching the rising steam at a viewing window on the feed side, and / or by listening to the sound of the press screw and its changes). However, observation is inaccurate b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21C7/00D21C7/06
CPCD21C7/06
Inventor 凯约·哈托宁J·帕劳拉
Owner CHEMPOLIS OY
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