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Multi-shelf Furnaces for Low Temperatures

A furnace and stirring arm technology, used in the field of industrial thermal reactors, can solve problems such as expensive, unsuitable, and poor size

Active Publication Date: 2020-10-23
COCKERILL MAINTENANCE & INGIE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] Using a multi-hearth furnace (with burners, refractories, castings, etc.) of typical design in the prior art has excessive thermal inertia due to the amount of refractory, is too expensive and consumes fossil fuels, which makes it poorly sized and due to Not suitable for environmental factors, especially not suitable for low temperature heat treatment (<350°C)

Method used

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  • Multi-shelf Furnaces for Low Temperatures
  • Multi-shelf Furnaces for Low Temperatures
  • Multi-shelf Furnaces for Low Temperatures

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Embodiment Construction

[0051] The present invention proposes a multi-hearth furnace called "MHF 100 / 0" (representing 100% metal, 0% fuel injection), which is particularly suitable for low-temperature heat treatment, especially torrefaction and / or drying of waste or biomass, Mainly through:

[0052] -Replace the components of the mixing machine with mechanical welding and non-cooling assemblies;

[0053] -Use standard outer insulating materials instead of inner refractory materials;

[0054] -Replace the hearth in the form of "Chinese hat" with a flat metal hearth;

[0055] -Replace the fossil fuel burner with a hot oil radiant tube fixed under the furnace;

[0056] -Replace fossil fuels with important energy sources, for example through simple flue gas / hot oil exchangers.

[0057] Advantageously, most of the metal components used to make such furnaces are standard stainless steel components that are easily commercially available.

[0058] Figure 2A with 2B A schematic diagram of an example of such a furnace i...

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Abstract

The invention relates to a multi-shelf furnace (1) for heat treatment at temperatures not exceeding 350°C, wherein the shelves (2) consist of flat plates fixed to an outer shell (3), stirring arms (5) Fixed to all welded modules (14) constituting the central shaft (4), the stirring teeth (15) are welded to their respective stirring arms (5), all these elements are made of sheet or plate metal, and the heating means consist of Heat transfer fluid radiant heat exchangers (17, 27), fixed to each rack (2) on the face not in contact with the substance to be treated.

Description

Technical field [0001] The invention relates to the technical field of industrial thermal reactors for low-temperature conversion of solid or liquid materials. The low temperature here refers to the temperature suitable for the biomass torrefaction method, which is usually lower than 300°C-350°C. [0002] More specifically, the present invention is aimed at those combustible biomass suppliers who want to concentrate and stabilize their products before shipment, combustible biomass users who want to replace coal with green fuels, and industrial sewage who want to stabilize and thicken industrial sludge before shipment. Producers of mud or purification stations, or to improve the operation of their methods. Background technique [0003] In the energy field, the concept of biomass (biomass) includes all organic matter that may become energy. This organic matter from plants is a storage form of solar energy absorbed by plants. It can be used directly (energy wood), after organic mat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10B47/34C10L5/44C10L9/08F28D7/08F28D7/00
CPCC10B47/36C10L5/442C10L9/083F28D7/0041F28D7/087Y02E50/10Y02E50/30F28F5/04C10B47/34C10L9/08F28D7/08
Inventor 丹尼尔·加斯帕尔德约瑟夫·帕里洛罗加蒂尔·康特恩尼尔蒂埃里·梅尔基奥尔阿兰·麦姆蓬泰欧
Owner COCKERILL MAINTENANCE & INGIE
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