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Temperature control method of cinder-flushing water of cooling tower outlet of blast furnace slag processing system

A processing system and cooling tower technology, applied in lighting and heating equipment, heat exchange equipment, etc., can solve the problems that cannot meet the requirements of temperature control accuracy, reaction speed and automation of slag washing water at the outlet of cooling tower

Inactive Publication Date: 2013-04-24
WISDRI ENG & RES INC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Existing conventional control methods cannot meet the requirements of temperature control accuracy, reaction speed and automation of slag flushing water at the outlet of cooling tower

Method used

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  • Temperature control method of cinder-flushing water of cooling tower outlet of blast furnace slag processing system
  • Temperature control method of cinder-flushing water of cooling tower outlet of blast furnace slag processing system
  • Temperature control method of cinder-flushing water of cooling tower outlet of blast furnace slag processing system

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Embodiment Construction

[0057] The control system in which the control method is located is such as figure 1 , figure 2 shown. A temperature control system for slag flushing water at the outlet of a cooling tower of a blast furnace slag treatment system, the cooling tower includes a cooling tower body 1, an inlet slag flushing water branch pipe 2 and an outlet slag flushing water branch pipe 3, and the slag flushing water for the cooling tower body 1 The inlet is connected to the inlet slag flushing water branch pipe 2, and the slag flushing water branch pipe 3 of the cooling tower body 1 is connected to the outlet slag flushing water branch pipe 3. There is an outlet detection device, and the tower body 1 of the cooling tower is connected with a tower body detection device; the above-mentioned detection devices are connected to the monitoring computer 11 through the PLC controller 10, and the PLC controller 10 (with a memory database on it) is also connected to the cooling tower fan 8 connected. ...

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Abstract

The invention provides a temperature control method of cinder-flushing water of a cooling tower outlet of a blast furnace slag processing system. The temperature control method of the cinder-flushing water of the cooling tower outlet of the blast furnace slag processing system comprises step (1) setting a system parameter of a temperature of the cinder-flushing water; step (2) performing real-time collection on all signal parameters of a cooling tower of a blast furnace; step (3) controlling the temperature of the cinder-flushing water of the cooling tower outlet by adjusting rotation speed of a cooling tower fan according to setup of the system parameter and all obtained signal parameters from real-time signal collection; step (4) changing an operation state of the cooling tower fan into a stop state and step (5) returning back to step (1) and performing control on the temperature of the cinder-flushing water of next production cycle. The temperature control method of the cinder-flushing water of the cooling tower outlet of the blast furnace slag processing system has the advantages of being capable of controlling the temperature of the cinder-flushing water of the cooling tower outlet accurately, rapidly and automatically, improving the precision, rapidity and automation-level of the control and creating conditions for the stability and high-yield of the blast furnace.

Description

technical field [0001] The invention relates to the technical field of blast furnace slag treatment systems, and relates to a method for controlling the temperature of slag flushing water at the outlet of a cooling tower of the blast furnace slag treatment system. Background technique [0002] At present, cooling towers are commonly used in blast furnace slag treatment systems. In order to improve the slag flushing effect in modern blast furnaces, the requirements for temperature control of slag flushing water at the outlet of cooling towers are getting higher and higher. [0003] Now it has become the development trend of the blast furnace slag treatment system to cool the slag water through the cooling tower, and the precondition for cooling the slag water through the cooling tower is the precise control of the temperature of the slag water at the outlet of the cooling tower. The existing conventional control methods cannot meet the requirements of temperature control accu...

Claims

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Application Information

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IPC IPC(8): F28F27/00
Inventor 赵昊裔徐海珍邱习剑任自宏周卫东徐岸非吴晨解相朋
Owner WISDRI ENG & RES INC LTD
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