Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Production process for reducing coal depletion and clinker heat consumption and increasing calorific value of pulverized coal
The invention provides a production process for reducing coal depletion and clinker heat consumption and increasing the calorific value of pulverized coal, and belongs to the technical field of cement clinker production. The production process comprises the following steps that 1, kiln tail waste gas enters a dust removal device, and drying hot air is obtained after dust removal treatment is conducted on the kiln tail waste gas; 2, the dried hot air obtained in the first step enters a coal grinding device, meanwhile, the raw coal enters the coal grinding device, the raw coal is dried through the dried hot air, and pulverized coal smoke is obtained; and 3, the pulverized coal smoke obtained in the step 2 enters a dust collecting device, pulverized coal is separated from the smoke, the pulverized coal enters a pulverized coal bin, and the smoke is discharged through a chimney. According to the process, kiln dust brought by hot air can be fully removed, coal depletion caused in the pulverized coal preparation process is reduced, and under the condition that raw coal entering a factory is not changed, the heat value of the pulverized coal is increased, the coal quality is improved, the fluidity of the pulverized coal is improved, the working condition of the clinker calcination system is improved, process accidents are reduced, the clinker yield and quality are improved, and clinker coal consumption is reduced.
本发明提供一种降低煤质贫化和熟料热耗、提高煤粉热值的生产工艺，属于水泥熟料生产技术领域，包括以下步骤：步骤一、窑尾废气进入除尘装置，经除尘处理之后，得到烘干热风；步骤二、步骤一中得到的烘干热风进入煤磨装置，与此同时，原煤进入煤磨装置，烘干热风对原煤进行烘干，得到煤粉烟；步骤三、步骤二中得到的煤粉烟进入收尘装置，煤粉与烟气分离，煤粉进入煤粉仓，烟气由烟囱排出。本发明不仅能充分去除热风带入的窑灰，降低煤粉制备过程中造成的煤质贫化，而且在进厂原煤不变的情况下，提高煤粉热值、改善煤质、提高煤粉流动性、改善熟料煅烧系统工况、减少工艺事故、提高熟料产质量、降低熟料煤耗。
Production process for reducing coal depletion and clinker heat consumption and increasing calorific value of pulverized coal
The invention provides a production process for reducing coal depletion and clinker heat consumption and increasing the calorific value of pulverized coal, and belongs to the technical field of cement clinker production. The production process comprises the following steps that 1, kiln tail waste gas enters a dust removal device, and drying hot air is obtained after dust removal treatment is conducted on the kiln tail waste gas; 2, the dried hot air obtained in the first step enters a coal grinding device, meanwhile, the raw coal enters the coal grinding device, the raw coal is dried through the dried hot air, and pulverized coal smoke is obtained; and 3, the pulverized coal smoke obtained in the step 2 enters a dust collecting device, pulverized coal is separated from the smoke, the pulverized coal enters a pulverized coal bin, and the smoke is discharged through a chimney. According to the process, kiln dust brought by hot air can be fully removed, coal depletion caused in the pulverized coal preparation process is reduced, and under the condition that raw coal entering a factory is not changed, the heat value of the pulverized coal is increased, the coal quality is improved, the fluidity of the pulverized coal is improved, the working condition of the clinker calcination system is improved, process accidents are reduced, the clinker yield and quality are improved, and clinker coal consumption is reduced.
本发明提供一种降低煤质贫化和熟料热耗、提高煤粉热值的生产工艺，属于水泥熟料生产技术领域，包括以下步骤：步骤一、窑尾废气进入除尘装置，经除尘处理之后，得到烘干热风；步骤二、步骤一中得到的烘干热风进入煤磨装置，与此同时，原煤进入煤磨装置，烘干热风对原煤进行烘干，得到煤粉烟；步骤三、步骤二中得到的煤粉烟进入收尘装置，煤粉与烟气分离，煤粉进入煤粉仓，烟气由烟囱排出。本发明不仅能充分去除热风带入的窑灰，降低煤粉制备过程中造成的煤质贫化，而且在进厂原煤不变的情况下，提高煤粉热值、改善煤质、提高煤粉流动性、改善熟料煅烧系统工况、减少工艺事故、提高熟料产质量、降低熟料煤耗。
Production process for reducing coal depletion and clinker heat consumption and increasing calorific value of pulverized coal
降低煤质贫化和熟料热耗、提高煤粉热值的生产工艺
WANG ZEBIAO (Autor:in) / FENG SHIGUO (Autor:in)
03.08.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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