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High-efficiency low-nitrogen environment-friendly decomposing device

An environmentally friendly and efficient technology, applied in the direction of furnace type, block/powder supply/distribution, combustion method, etc., can solve problems such as high CO content at the outlet of the calciner, poor self-denitration effect of the calciner, and insufficient pre-decomposition capacity , to achieve low NOx content, improve the production efficiency of enterprises, and be easy to operate and control

Pending Publication Date: 2020-06-09
ANHUI CONCH DESIGN & RES INST OF BUILDING MATERIALS CO LTD
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AI Technical Summary

Problems solved by technology

At present, the calciner has problems such as incomplete combustion of coal powder, high CO content at the outlet of the calciner, insufficient pre-decomposition capacity, low decomposition rate of raw meal, poor self-denitration effect of the calciner (high NOX content at the outlet), etc.

Method used

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  • High-efficiency low-nitrogen environment-friendly decomposing device
  • High-efficiency low-nitrogen environment-friendly decomposing device
  • High-efficiency low-nitrogen environment-friendly decomposing device

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Embodiment Construction

[0025] Below with reference to the accompanying drawings, through the description of the embodiments, the specific embodiments of the present invention, such as the shape, structure, mutual position and connection relationship between the various parts, the role and working principle of the various parts, etc., will be further described. Detailed instructions:

[0026] as attached figure 1 - attached Figure 4 As shown, the present invention is a high-efficiency, low-nitrogen and environment-friendly decomposition device, which includes a decomposition furnace body 1, and the decomposition furnace body 1 includes a decomposition furnace upper column 2, a decomposition furnace lower column 3, a lower end of the decomposition furnace upper column 2 and a decomposition furnace. A calciner waist 4 with a recessed structure is set between the upper ends of the furnace lower columns 3, and the upper end of the upper column 2 of the calciner communicates with the upward section 5 of...

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Abstract

The invention provides a high-efficiency low-nitrogen environment-friendly decomposing device applied to the technical field of thermal equipment. The high-efficiency low-nitrogen environment-friendlydecomposing device is characterized in that a decomposing furnace waisted part (4) is arranged between the lower end of a decomposing furnace upper column body (2) and the upper end of a decomposingfurnace lower column body (3), the upper end of the decomposing furnace upper column body (2) is in communication with a pipeline ascending section (5) through a top circular truncated cone part (6),the pipeline ascending section (5) is in communication with a pipeline descending section (7) through a pipeline elbow section (8), a decomposing furnace cone part (9) is arranged at the lower end ofthe decomposing furnace lower column body (3), and a tertiary air main pipeline (11) is arranged on the side surface of the decomposing furnace lower column body (3). According to the high-efficiencylow-nitrogen environment-friendly decomposing device, the system yield and the thermal system are stabilized, the coal consumption of the system can be reduced, the emission of nitrogen oxides and carbon dioxide of the system can be reduced, high-efficiency, low-nitrogen and environment-friendly effects are achieved, and the production benefits of enterprises can be improved.

Description

technical field [0001] The invention belongs to the technical field of thermal equipment, and more specifically relates to a high-efficiency, low-nitrogen and environment-friendly decomposition device. Background technique [0002] Due to the characteristics of the production process, the cement industry is a high energy consumption and resource intensive industry. Saving energy consumption has always been an important topic for cement enterprises, and industrial energy conservation is an important focus of energy conservation and emission reduction. In recent years, in order to practice the concept of green and low-carbon development, the cement industry is continuously increasing investment in energy-saving and consumption-reducing technologies and research on the development and application of new technologies. This move is the key to the transformation and upgrading of the cement industry. The calciner is the core equipment of the decomposition technology outside the k...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B17/00F27D99/00F27D1/00F27D3/00F27D7/02C04B7/43F23K3/00F23L9/00
CPCC04B7/43F23K3/00F23L9/00F27B17/00F27D1/00F27D3/0033F27D7/02F27D99/0033
Inventor 轩红钟张长乐汪克春张宗见李志强王斌张提提宗青松张中建李家发刘守信蔡盛强
Owner ANHUI CONCH DESIGN & RES INST OF BUILDING MATERIALS CO LTD
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