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Dry distillation carbonization furnace with flue pipe and carbonization method

A technology for flue pipes and carbonization furnaces, applied in fixed carbonization furnaces, special carbonization, indirect heating and other directions, can solve the problems of easy crushing of charcoal, low heat transfer efficiency, high fuel consumption, etc., and achieve uniform heating, Effect of increasing heat exchange area and reducing fuel consumption

Active Publication Date: 2014-09-03
BLUESTAR BEIJING CHEM MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] There are still many disadvantages in the above-mentioned carbonization furnace, such as low heat transfer efficiency, high fuel consumption, and the phenomenon of sandwiching near the center of the furnace body; due to the large amount of charging, the charcoal in the lower layer is easily crushed, etc.

Method used

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  • Dry distillation carbonization furnace with flue pipe and carbonization method
  • Dry distillation carbonization furnace with flue pipe and carbonization method
  • Dry distillation carbonization furnace with flue pipe and carbonization method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Such as figure 1 The dry distillation carbonization furnace shown includes a furnace 1 and a carbonization kettle located in the furnace, and the gap between the carbonization kettle and the furnace 1 constitutes a combustion chamber at the bottom of the furnace 1 and a flue inside the furnace 1 (not shown in the figure) . The retort is composed of a retort body 2 and a retort cover 3. In the middle of the retort body 2, there are 6 pipes inserted from the bottom, which turn horizontally near the top of the retort body and pass out from the side of the retort body 2. An inverted L-shaped flue pipe 24; the ratio of the total cross-sectional area of ​​the flue pipe 24 to the cross-sectional area of ​​the retort body 2 is 3 / 200; the retort body is also provided with a material rack 4 that can be freely taken and placed; (see image 3 ), the outer wall of the retort body 2 is provided with outer fins 22 that change the structure of the flue.

[0049] The furnace 1 is mad...

Embodiment 2

[0053] Such as Figure 5 The dry distillation carbonization furnace shown includes a furnace 1 and a carbonization kettle located in the furnace, and the gap between the carbonization kettle and the furnace 1 constitutes a combustion chamber at the bottom of the furnace 1 and a flue inside the furnace 1 (not shown in the figure) . The retort is composed of a retort body 2 and a retort cover 3. In the middle of the retort body 2, four pipes inserted from the bottom are evenly distributed, and turn horizontally near the top of the retort body and pass out from the side of the retort body 2. An inverted L-shaped flue pipe 24; the ratio of the total cross-sectional area of ​​the flue pipe 24 to the cross-sectional area of ​​the retort body 2 is 1 / 125; the retort body is also provided with a material rack 4 that can be freely taken and placed; (see image 3 ), the outer wall of the retort body 2 is provided with outer fins 22 that change the structure of the flue.

[0054] Such ...

Embodiment 3

[0059] Compared with Embodiment 1, the only difference is that in this embodiment, 10 annular outer fins 22 are evenly distributed along the height direction outside the cylinder, and the notch angles between the upper and lower adjacent outer fins 22 are both 9°. °. The height h of the outer fins 22 is 95% of the distance L between the furnace 1 and the outer wall of the retort. Two rectangular inner fins 23 are evenly distributed in the middle of the carbonization kettle, and the height is the same as that of the carbonization kettle. The volume ratio of the retort to the furnace 1 is 90%. The material frame 4 is provided with 2 layers of sub-supports, and each layer of supports is laid with a grid net, and each layer of the grid net has 2 gaps that are at the same position as the inner fins 23 .

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Abstract

The invention discloses a dry distillation carbonization furnace with a flue pipe, which comprises a furnace hearth and a dry distillation kettle positioned in the furnace hearth, wherein a combustion chamber positioned at the bottom of the furnace heath and a flue on the inner side of the furnace hearth are formed by a clearance between the dry distillation kettle and the furnace hearth; the dry distillation kettle comprises a dry distillation kettle body and a dry distillation kettle cover; the inverted-L-shaped flue pipe which is inserted into the dry distillation kettle from the bottom and passes through one side surface of the dry distillation kettle body, and a material rack capable of being freely picked and placed are arranged in the dry distillation kettle body; and external fins for changing the structure of the flue is arranged on the outer wall of the dry distillation kettle body. The dry distillation carbonization furnace has the advantages that through arranging the flue pipe, internal fins, the external fins and the material rack, wooden raw materials in the dry distillation kettle can be heated evenly, thereby eliminating undercooked phenomena, simultaneously improving the heat exchange efficiency, decreasing fuel consumption, reducing the heating time, raising the carbon acquisition rate and stabilizing the quality of wood charcoal. Besides, the dry distillation carbonization furnace disclosed by the invention has a simple structure, is suitable for carbonized production of all wooden raw materials such as fruit wood, hardwood, bamboo and agricultural and forestry waste, and has high generalizability.

Description

technical field [0001] The invention relates to a carbonization furnace, in particular to a dry distillation carbonization furnace with a flue pipe for charcoal production and a carbonization method. Background technique [0002] Wood or woody raw materials decompose at a certain temperature under the condition of isolation from air to produce charcoal, and by-products include: wood tar, wood vinegar, and wood gas. Charcoal is impure, amorphous carbon that preserves the original structure of wood and the tar residue in its pores. It is widely used as industrial metallurgical reducing agent and fuel, and also plays an important role in the fields of water purification, pollutant adsorption, conductivity and electromagnetic shielding. Wood tar is a useful product in veterinary medicine and also as a preservative, wood preservative and caulking material. The composition of wood vinegar is extremely complex, and its main components are water, acetic acid, methanol and acetone,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10B1/02C10B1/04C10B53/02C10B57/00C10B57/10C10B47/06
CPCY02E50/14Y02E50/10
Inventor 司继松魏治李星
Owner BLUESTAR BEIJING CHEM MACHINERY