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Humidifying process for high-moisture charged coking coal

A technology for coking coal and humidity control, applied in the field of coking, can solve the problems of high energy consumption, complex control and adjustment, and large maintenance and repair of the humidity control system, and achieve the goal of expanding humidity control capacity, simple equipment structure, and reducing dust content Effect

Inactive Publication Date: 2012-09-19
WUXI YIEN TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problems of high energy consumption, low humidity control capacity, large basic investment, high operating cost, complicated control and adjustment and large maintenance and repair of the current humidity control system for coking coal into the furnace, the present invention provides a Wet furnace coking coal humidity control process, including: 1. The step of pre-humidity adjustment of high-moisture coking coal into the furnace; 2. The step of sieving coal particles; Steps of humidity control of coking coal; 5. Steps of recycling low-grade heat sources; 6. Steps of dust removal and granulation

Method used

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Embodiment Construction

[0037] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0038] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0039] Such as figure 1 The shown one is used for the high-humidity furnace coking coal humidity adjustment process, including: 1. The step of pre-humidity adjustment of the high-moisture coking coal into the furnace; 2. The step of coal particle screening; 3. Large particle coal crushing and Steps of powder selection; 4. Steps of adjusting humidity of the coke into the furnace; 5. Steps of recycling low-grade heat sources; 6. Steps of dust r...

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Abstract

The invention discloses a humidifying process for high-moisture charged coking coal. The process comprises the following steps of: pre-humidifying the high-moisture charged coking coal; sieving coal particles; smashing and separating large-particle coal; humidifying charged coking coal; recycling a low-grade heat source; and dedusting and pelletizing. The humidifying process has the advantages of high humidifying performance, large humidifying range, low energy consumption, low air pollution and convenience for maintaining and repairing.

Description

technical field [0001] The invention relates to a coking technology, in particular to a humidity control process for coking coal with high moisture content entering a furnace. Background technique [0002] Coal humidity control process (CMC) refers to the process of "moisture control of coal for coking and charging furnace". It is developed on the basis of dry coal coking technology. , dehydration, to achieve the adjustment and control of coal moisture. According to the current coking process requirements, the moisture in coal is controlled at about 6%, so as to reduce the energy consumption of the coking process, ensure the stability of coke oven operation, improve the quality of coke or increase the weak The purpose of adding the amount of caking coal and reducing the amount of coking sewage. At the same time, the moisture content of the coking coal in the furnace is reduced, and the bulk density of the coal is increased, which correspondingly increases the coke output. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B57/10F26B3/084F26B23/00
Inventor 惠建明郁鸿凌惠文博
Owner WUXI YIEN TECH
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