Design and construction method of whole bundle type straw gasification device

A technology of a gasification device and a construction method, which is applied in the manufacture of combustible gas, petroleum industry, etc., can solve the problems of complex manufacturing optimization and design of the whole bundle type straw gasification system, etc.

Pending Publication Date: 2021-01-26
黑龙江赫尔特生物质能源发展有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The known whole-bale straw gasification system is limited by the maximum allowable size and weight of road transportation, so it is impossible to increase the combustion power output by increasing the number of whole-bale straw gasification systems, and the known ...

Method used

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  • Design and construction method of whole bundle type straw gasification device
  • Design and construction method of whole bundle type straw gasification device
  • Design and construction method of whole bundle type straw gasification device

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Embodiment Construction

[0032] Application examples of the present invention will be explained in more detail below with reference to the drawings.

[0033] according to figure 1 The bundled straw gasification device has a rated thermal output of 4.7MW and a maximum thermal output of 5.3MW. The whole bale straw gasification chamber (1) can enter two straw round bales with a length of about 1.2 meters and a diameter of about 1.4 meters side by side at one time, and can accommodate up to 16 straws with a length of about 1.2 meters and a diameter of about 1.4 meters at a time. bale( figure 1 not shown).

[0034] The gasification of straw with a large capacity of more than 3000kg at one time can make the intensity of straw gasification very small, and only need a relatively low gasification temperature to generate a sufficient amount of combustible flue gas (11), which can avoid gasification to the greatest extent Coke is formed in the process and the ash remains essentially powdery and of high fertil...

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Abstract

The invention relates to a design and construction method of a whole bundle type straw gasification device. The module is suitable for road transportation and is used as a part of a modular system forstraw energy utilization, and only a small amount of installation workload is needed on an installation site for constructing a heat supply station and a small power plant. The vault of the refractory brick lining of the horizontally arranged combustion chamber is designed to be variable, and the heat output of the modular system can be improved by connecting a plurality of gasification modules.The whole bundle type straw gasification module comprises a whole bundle straw gasification chamber 1 and a rear gasification chamber 2, the whole bundle straw gasification chamber and the rear gasification chamber are separated by a rotatable fire grate 3, the gap width of the rotatable fire grate can be adjusted from the outside, and a charcoal ash bridge between the fire grates can be destroyedat any time through movement of the rotatable fire grate. Ash containing high-proportion charcoal can be produced by controlling air supply of the rear gasification chamber 2. The cooling water jacket 7 of the gasification module is formed by equidistantly welding the same bent metal plates in a staggered manner, so that the manufacturing process is simplified, and enough compressive strength isrealized.

Description

technical field [0001] The invention relates to a design and construction method of a bundled straw gasification device. The bundled straw gasification device adopts a modular structure and can be transported by road. The bundled straw gasification device can be used independently, and can also be connected with other bundled straw gasification devices to achieve high combustion power output. The gasification process of the whole bundle type straw gasification device is carried out in two steps, the integrity of the gasification process is improved, and the dust content in the flue gas is reduced. Background technique [0002] According to the patent WO2005 / 040680A1, when the whole bundle of straw bales is gasified, it is located on the air inlet arranged in the center, and the combustible smoke generated by gasification is sucked downward at an acceleration around the air inlet. Although this facilitates the combustion of carbon residues in the flue gas, ash is also sucked...

Claims

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Application Information

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IPC IPC(8): C10J3/60
CPCC10J3/60
Inventor 克里斯蒂安·赫尔特刘振国王健
Owner 黑龙江赫尔特生物质能源发展有限公司
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