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A multi-channel atomizer and gasification reaction operation method

A technology of gasification reaction and operation method, which is applied in gasification process, gasification device feeding tool, granular/powder fuel gasification, etc. It can solve the problems of conventional mixing hazards, achieve simple and reliable connection, and prevent overheating. , the effect of reducing investment and operating costs

Active Publication Date: 2021-04-20
THE NORTHWEST RES INST OF CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the difference in the nature of the raw materials, it is difficult to ensure the preparation of a stable liquid slurry that meets the requirements of the process when a variety of raw materials are blended. How to achieve different flow properties in the raw materials or a liquid slurry that cannot exist stably after blending The same-chamber gasification is one of the thorny difficulties faced by the development of gasification technology. In addition, when one of the raw materials in the raw material is a combustible gas, it is also very dangerous to routinely mix the combustible gas with a common gasification agent (such as oxygen) , therefore, it is necessary to develop a multi-channel atomizer and propose an operation method for gasification reaction using a multi-channel atomizer

Method used

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  • A multi-channel atomizer and gasification reaction operation method
  • A multi-channel atomizer and gasification reaction operation method
  • A multi-channel atomizer and gasification reaction operation method

Examples

Experimental program
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Effect test

Embodiment 1

[0043] In this example, if figure 1 and figure 2As shown, the multi-channel atomizer is a five-channel atomizer, and the five-channel atomizer includes a five-channel atomization structure and a cooling protection structure arranged outside the five-channel atomization structure, so The five-channel atomization structure includes 5 casings with different inner diameters and coaxially stacked from inside to outside in the order of inner diameters from small to large, and the 5 casings are coaxially stacked from inside to outside The first sleeve 1, the second sleeve 2, the third sleeve 3, the fourth sleeve 4 and the fifth sleeve 5, the side wall of the first sleeve 1, the side wall of the second sleeve 2 , the side wall of the third sleeve 3, the side wall of the fourth sleeve 4 and the side wall of the fifth sleeve 5 are all provided with inlet ports, and the 5 sleeves have 3 gas flow channels and 2 liquid The three gas flow channels include the first gas flow channel 10 fo...

Embodiment 2

[0055] In this example, if Figure 4 and 5 As shown, the multi-channel atomizer is a seven-channel atomizer, and the seven-channel atomizer includes a seven-channel liquid slurry atomization structure and is arranged outside the seven-channel liquid slurry atomization structure The cooling protection structure of the seven-channel liquid slurry atomization structure includes 7 sleeves with different inner diameters and coaxially stacked from the inside to the outside in the order of inner diameters from small to large, and the 7 sleeves are respectively It is the first casing 1, the second casing 2, the third casing 3, the fourth casing 4, the fifth casing 5, the sixth casing 15 and the seventh casing which are coaxially stacked sequentially from the inside to the outside. 16, the side wall of the first casing 1, the side wall of the second casing 2, the side wall of the third casing 3, the side wall of the fourth casing 4, the side wall of the fifth casing 5, the side wall o...

Embodiment 3

[0064]The difference between this embodiment and Embodiment 2 is that the angle a at the outlet of the first gas flow channel 10 is 45°, the angle b at the outlet of the first liquid flow channel 11 is 60°, and the flow path of the second gas flow channel 12 is Outlet included angle c=75°, second liquid channel 13 outlet included angle d=90°, third gas channel 14 outlet included angle e=115°, third liquid channel 17 outlet included angle f =130°, the included angle g at the outlet of the fourth gas channel 18=145°.

[0065] In this embodiment, the height difference between the bottom end surface of the first sleeve 1 and the bottom end surface of the second sleeve 2 is 25 mm; The height difference between the bottom end surface of the third casing 3 and the bottom end surface of the fourth casing 4 is 20mm; the bottom end surface of the fourth casing 4 and the bottom end surface of the fifth casing 5 The height difference between the bottom end surface of the fifth casing 5 a...

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Abstract

The invention discloses a multi-channel atomizer and a gasification reaction operation method. The multi-channel atomizer includes a multi-channel liquid slurry atomization structure and a cooling protection structure. The multi-channel liquid slurry atomization structure It includes M sleeves with different inner diameters and coaxially stacked from the inside to the outside in the order of inner diameters from small to large. The M sleeves have n+1 gas flow channels and n liquid flow channels, and n+1 The gas flow channel and the n liquid flow channels are arranged alternately from the inside to the outside according to the sequence of the gas flow channel and the liquid flow channel; the gasification reaction operation method includes: 1. Multi-channel atomizer Installation; 2. Atomization and dispersion of raw materials; 3. Gasification reaction of raw materials. The invention can realize the atomization of large-scale raw materials, not only can realize the purpose of simultaneous gasification reaction of various liquid slurries with different flow properties in one gasification reactor, but also can realize the gasification of two heterogeneous raw materials in one gasification reactor. The purpose of simultaneous gasification reaction in the reactor.

Description

technical field [0001] The invention belongs to the technical field of chemical equipment, and in particular relates to a multi-channel atomizer and a gasification reaction operation method. Background technique [0002] Wet entrained gasification technology is one of the more advanced clean coal technologies at present. This technology mostly uses coal as raw material to produce synthetic feed gas, which is further used to produce bulk products including synthetic ammonia, methanol, natural gas, and fuel oil. Basic chemicals have been widely used in many domestic enterprises. In recent years, with the further expansion of the production scale of enterprises, energy processing enterprises have gradually increased their demand for large-capacity wet gasification technology. About 2000t / day, when the processing capacity increases, the risk of atomizer wear and ablation increases greatly, which greatly limits the large-scale improvement of the processing capacity of a single s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10J3/46C10J3/50
CPCC10J3/466C10J3/506C10J2200/15C10J2300/0989
Inventor 罗进成朱春鹏徐宏伟韦孙昌贺根良徐宏东曾梅林益安邹涛袁善禄刘军
Owner THE NORTHWEST RES INST OF CHEM IND
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