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Coke oven coal tower coal nozzle control system and method

A control system and coal nozzle technology, which is applied in the field of the coal nozzle control system of a coke oven coal tower, can solve the problem of affecting the production plan and output, the inability to accurately make the coal replenishment plan, and the inability to understand the coal receiving plan and the coal receiving plan of the stoker car. The actual situation and other problems, to achieve the effect of reliable control

Active Publication Date: 2022-03-11
SGIS SONGSHAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The above scheme has defects: (1) The coal loading vehicle can only rely on manual operation to receive coal under the coal tower, and the specific location of the coal receiving bin depends on the driver's experience or the operator of the coal preparation system gives instructions in the walkie-talkie; (2) Coal preparation The system operators cannot understand the coal receiving plan and the actual situation of the coal receiving car, and cannot make an accurate coal replenishment plan; (3) If the coal nozzle control of the coal receiving process is out of control and the coal leaking fault occurs, it will seriously affect the production plan and Yield

Method used

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  • Coke oven coal tower coal nozzle control system and method
  • Coke oven coal tower coal nozzle control system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Such as figure 1 As shown, a coke oven coal tower coal nozzle control system includes a coal nozzle control open circuit 1 connected between the live line and the neutral line, a coal nozzle control closed circuit 2, a coal nozzle control alignment interlock circuit 3, and a coal nozzle control loop 3. Mouth closed and interlocked coal loading running unit 4, control coal nozzle is not closed tightly alarm unit 5;

[0037] In practice, the coal nozzle control open circuit 1 is provided with two branches, wherein the first branch is connected with the live wire and the neutral wire; the second branch is connected with the live wire and the coal nozzle control closed circuit.

[0038] The first branch is sequentially connected with selector switch SSA1, stop button SS, open button SF, coal nozzle open limit SQF, KA1 normally open auxiliary point KA1-1, coal nozzle close contactor KAC normally closed auxiliary point KAC- 1. Coal nozzle opening contactor KRC;

[0039] One...

Embodiment 2

[0051] Such as figure 2 As shown, a coke oven coal tower coal nozzle control method includes:

[0052] S1. The coal loading car sends out an open command through the electromagnet, so that the open magnetic control switch KTA controls the coil of the coal nozzle open contactor KRC to energize;

[0053] S2. Open to the position and press to the coal nozzle open limit SQF control contactor KRC coil power off, start receiving coal;

[0054] S3. After the coal hopper is filled with coal, the coal loading truck sends a closing command through the electromagnet;

[0055] S4. Close the magnetic control switch KTR to control the coil of the coal nozzle to close the contactor KAC to get electricity. After the coal nozzle is closed tightly, press it to the limit position of the coal nozzle. SQR controls the closing of the intermediate relay KA and the coal nozzle to close the contactor. Coal is done.

[0056] During specific implementation, the described coal receiving process also ...

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Abstract

The invention relates to the technical field of metallurgical coking equipment, and relates to a coke oven coal tower coal nozzle control system and method. The coke oven coal tower coal spout control system includes: a coal spout control open loop, a coal spout control close loop, a coal spout control alignment interlock loop, and a coal spout control interlocking device that is connected between the live line and the neutral line. Coal running unit, control coal nozzle is not closed tightly alarm unit; the coal nozzle control open circuit is provided with two branches, of which the first branch is connected with the live wire and the neutral wire; the second branch is connected with the live wire and the coal nozzle control connected to the off circuit. The system and the method of the invention realize the reliable control of the coal nozzle of the coke oven coal tower, and have the functions of fault alarm and shutdown priority.

Description

technical field [0001] The invention relates to the technical field of metallurgical coking equipment, more specifically, a coke oven coal tower coal nozzle control system and method. Background technique [0002] The coal loading car receiving coal is an important step in the operation of the coal loading car. In the traditional working mode, the coal loading vehicle is receiving coal at the coal tower position of the coal preparation system. When the coal loading vehicle reaches the designated coal receiving position, the coal nozzle of the corresponding position is opened, closed or shakes the coal, and the coke oven coal There are three rows of coal nozzles in the tower, and each row has four coal nozzles. The coal loading car only uses one row of coal nozzles to receive coal at a time, fills up four coal charging hoppers, and transports the coal to the planned furnace number for coal feeding. [0003] The above scheme has defects: (1) The coal loading vehicle can only ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/05
CPCC10B31/00C10B41/005
Inventor 周日山侯振兵张振华黄选斋张智勇张彪穆应东
Owner SGIS SONGSHAN CO LTD
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