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Pyrolysis device

A technology of pyrolysis and pyrolysis furnace, which is applied in the direction of direct heating dry distillation, petroleum industry, fixed carbonization furnace, etc. It can solve the problems of large area, increased production cost, and large dust content of pyrolysis gas, and achieves reduction The content of dust particles, which is conducive to separation and discharge, and the effect of efficient separation and discharge

Inactive Publication Date: 2016-10-26
MAANSHAN TIANZHOU ENERGY SAVING ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Both of the above two pyrolysis equipment adopt the cyclone pyrolysis technology, that is, the raw materials are pyrolyzed through the cyclone in the pyrolysis furnace while the pyrolyzed gas and solid products are directly separated, although the subsequent gas and solid separation is reduced. process, which greatly improves the economic benefits, but there are still the following technical defects that are difficult to overcome: although this cyclone pyrolysis technology can directly separate the gas and solid in the product, it is found through actual testing that the cyclone pyrolysis technology is used to separate The pyrolysis gas still contains a large number of dust particles. In the subsequent treatment, it is usually necessary to use different equipment to remove dust step by step from the pyrolysis gas. Various equipment occupy a large area and increase production costs.
[0008] To sum up, how to overcome the deficiency of large dust content in pyrolysis gas in the prior art is a technical defect that needs to be overcome urgently in the prior art

Method used

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Embodiment 1

[0063] refer to Figure 1~2 , the pyrolysis device of the present embodiment includes: a pyrolysis furnace 3, and the pyrolysis furnace 3 includes an upper straight section, a tapered section and a lower straight section connected sequentially from top to bottom, and the top side of the upper straight section is circumferentially provided with at least Two primary air inlets 2 (four primary air inlets 2 are provided in this embodiment), and the primary air inlets 2 are not tangent to the top side of the upper straight section; the central cylinder 4 extends from top to bottom into the inside of the upper straight section, and the central axis of the central cylinder 4 coincides with the central axis of the upper straight section.

[0064] In this embodiment, the top side of the upper straight section is provided with at least two primary air inlets 2 along the circumference, and the primary air inlets 2 are not tangent to the top side of the upper straight section. 2 is not t...

Embodiment 2

[0072] refer to image 3 , the pyrolysis device of the present embodiment, its structure is basically identical with embodiment 1, and its difference is:

[0073] The pyrolysis device of this embodiment also includes: feed inlet 1, at least two feed inlets 1 (specifically, there are four feed inlets 1 in this embodiment) are sequentially arranged on the side of the upper straight cylinder section from top to bottom; The screening mechanism classifies the pyrolysis raw materials into different batches according to the particle size, and the pyrolysis raw materials of different batches are respectively sent into the feed inlet 1 of different heights.

[0074] In this embodiment, the screening mechanism classifies the pyrolysis raw materials into different batches according to the particle size, and the pyrolysis raw materials of different batches are respectively sent into the feed inlets 1 of different heights, at least two feed inlets 1 are from the top And the bottom is arra...

Embodiment 3

[0076] The pyrolysis device of the present embodiment, its structure is basically identical with embodiment 1, and its difference is:

[0077] The pyrolysis device of this embodiment further includes: an ellipsoid 7 located below the central cylinder 4 , and the upper end of the ellipsoid 7 protrudes into the interior of the central cylinder 4 .

[0078] In this embodiment, the ellipsoid 7 is located below the central cylinder 4, and the upper end of the ellipsoid 7 extends into the interior of the central cylinder 4, and the pyrolysis gas after pyrolysis contains a large amount of dust particles, because the upper end of the ellipsoid 7 extends Therefore, when the pyrolysis gas containing dust particles enters the interior of the center cylinder 4 from the entrance below the center cylinder 4, the flow area decreases suddenly, and the flow velocity of the pyrolysis gas increases, but the pyrolysis gas in the pyrolysis gas Due to the relatively high density of dust particles, ...

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Abstract

The invention belongs to the chemical industry and discloses a pyrolysis device. The pyrolysis device comprises a pyrolysis furnace and a central cylinder. The pyrolysis furnace comprises an upper straight cylinder section, a gradually-reduced section and a lower straight cylinder section in sequential communication from top to bottom, and the top lateral surface of the upper straight cylinder section is peripherally provided with at least two primary air inlets which are not tangent with the top lateral surface of the upper straight cylinder section. The central cylinder extends into the upper straight cylinder section from top to bottom, and a central axis of the central cylinder is coincided with that of the upper straight cylinder section. The pyrolysis device mainly overcomes the defect of high dust content of pyrolysis gas in the prior art.

Description

technical field [0001] The invention relates to thermal decomposition equipment in the chemical industry, more specifically, to a pyrolysis device. Background technique [0002] Pyrolysis technology is to heat organic matter to 500-1000°C in anaerobic or oxygen-deficient state, so that organic matter in solid waste can be converted into stored energy mainly consisting of gas, fuel oil and pyrolytic charcoal. Due to the anaerobic decomposition and reducing atmosphere, it can reduce the secondary pollution of sulfur, nitrogen, heavy metals and other harmful components in the waste to the environment, and there is no need for expensive scrubbing devices in the process. [0003] Combustion of fossil fuels has caused most of the environmental pollution problems and seriously affected people's quality of life. Substance thermal conversion utilization technology. According to the statistics of the National Development and Reform Commission, in 2013, the actual domestic consumptio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B1/04C10B49/04
CPCC10B1/04C10B49/04
Inventor 许诗双陈光朱宝忠王恒达
Owner MAANSHAN TIANZHOU ENERGY SAVING ENG TECH
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