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Dry quenching gas circulation system control method

A technology of gas circulation and control methods, applied in the direction of non-electric variable control, control/regulation system, and simultaneous control of multiple variables, etc., can solve the problems of high labor intensity for operators, low control level, and adverse effects on production, etc., to achieve The effect of increasing boiler steam production, reducing coke burning loss rate, and improving production rhythm

Inactive Publication Date: 2017-07-04
BEIJING SHOUGANG AUTOMATION INFORMATION TECH
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AI Technical Summary

Problems solved by technology

The CDQ production process is affected by the interaction and interaction of multiple factors, which brings difficulties to the production operation. The traditional control method is basically in the state of manual and semi-automatic. The control level is not high, and the labor intensity of the operators is high. Superficial phenomena or even false appearances confuse and cause adverse effects on production

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  • Dry quenching gas circulation system control method
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Embodiment Construction

[0046] A set of automatic control method applied to CDQ gas circulation system proposed by the present invention, the specific steps of the entire implementation process are described in detail below:

[0047] 1. Install and configure the required control hardware, software and Ethernet.

[0048] (1) Install computer operating system and control software: The computer adopts Siemens industrial computer and Microsoft windows 764-bit operating system, and the control software adopts Siemens PCS7 8.0SP1 version programming software.

[0049] (2) Install the PLC hardware control equipment: This example adopts the S7 400H series Siemens PLC control equipment adapted to the programming software of Siemens PCS7 8.0SP1 version.

[0050] (3) Set PLC module and communication network: set channels and parameters for PLC hardware, use TCP communication mode for communication, and detect communication network connection.

[0051] (4) Configuration programming software: Write and test the ...

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Abstract

The invention discloses a dry quenching gas circulation system control method and belongs to the field of gas circulation control. Based on the characteristics of dry quenching production processes, combined with the factors of safe production of dry quenching, the automatic control method of a dry quenching circulation gas flow, a dry quenching boiler inlet gas temperature and a dry quenching tank inner CO concentration is provided. Compared with the traditional control method, the dry quenching gas circulation system control method realizes adjustment of relevant parameters of the control items based on an expert data processing algorithm so that full-automatic intelligent control of the dry quenching gas circulation system is realized. The control method can greatly reduce labor intensity of an operator, realize good response to a condition change in the production process, improve product quality, reduces a burn out rate and has energy saving and environmental protection effects better than those of the existing control method.

Description

technical field [0001] The invention belongs to the technical field of CDQ gas cycle control, and in particular relates to automatic control of CDQ cycle gas flow, automatic control of gas temperature at the inlet side of a boiler, and automatic control of CO concentration in a CDQ tank. Background technique [0002] Dry coke quenching is a coke quenching method that uses inert gas to cool down red coke compared to wet coke quenching. The CDQ gas circulation control system is an important part of the entire CDQ control system. [0003] In CDQ production, the amount of circulating gas should be adjusted accordingly according to the change of coke discharge, so as to control the coke discharge temperature and boiler inlet gas temperature within an appropriate range. In the previous CDQ control system, the circulation gas flow control was basically in a manual state. In the CDQ operation, the importance of the management and adjustment of the circulation gas volume was easily ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B39/02C10B41/00G05D27/02
CPCC10B39/02C10B41/00G05D27/02
Inventor 王小轶彭卫革唐晓军李晓宇王鹏张建勇赵长春徐洪燕张红蕾张玉红李磊
Owner BEIJING SHOUGANG AUTOMATION INFORMATION TECH
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