Coke online drying and mechanical strength measuring method

A technology of mechanical strength and measurement method, applied in measurement devices, fuel testing, instruments, etc., can solve the problems of insufficient sampling representativeness, high labor intensity, and small sample size, so as to improve representativeness and operational efficiency, realize The effect of unmanned operation

Pending Publication Date: 2021-12-24
SHANGHAI MEISHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Conventional wet quenching coke sampling, particle size screening, weighing, and mechanical strength measurement are manual operations with high intensity and low efficiency. Due to the high intensity of personnel work, sampling is often not representative enough and the sample size is small

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0022] An on-line coke drying and mechanical strength measuring system, the system is arranged in layers and has five layers from low to high, with the lowest being one layer and the highest being five layers.

[0023] The fifth floor is equipped with M202 production conveyor belt conveyor, head sampling machine, material receiving belt conveyor, and sample belt conveyor connected in sequence, and the fifth floor is also equipped with a waste material hoist and a second waste material belt conveyor; M202 production conveyor belt conveyor A belt sensor and a flow sensor are connected.

[0024] The fourth floor is equipped with a weighing and collecting hopper, and the fourth floor is also equipped with an M204 production conveyor belt conveyor.

[0025] The third floor is equipped with a secondary cylinder screen connected in sequence, a weighing and vibrating storage hopper, and a reversible belt conveyor with a drum; the weighing and vibrating storage hopper is connected with...

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PUM

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Abstract

The invention belongs to the technical field of coke testing, and further relates to a coke online drying and mechanical strength measuring system. The method comprises the following steps: 1, sampling; 2, screening before drum screening; 3, performing coke drying; 4, matching coke with a drum; 5, measuring the mechanical strength of coke; 6, discarding the materials; and 6, repeating the steps 1-5 until the work is finished. The continuous operation of online sampling, size fraction screening, drying, size fraction weighing, mechanical strength measuring and material discarding of wet quenched coke is achieved, the sample representativeness and the operation efficiency are greatly improved, and unmanned operation on site can be achieved through remote operation control.

Description

technical field [0001] The invention belongs to the technical field of coke testing, and further relates to a coke online drying and mechanical strength measuring system. Background technique [0002] Coke is the main raw material for ironmaking. Fluctuations in indicators such as mechanical strength (crushing strength, wear resistance), thermal reactivity, ash, volatile matter, and moisture directly affect the production of ironmaking blast furnaces and the quality of molten iron. These indicators directly affect procurement costs. It is of great significance to iron smelting. [0003] Measuring the mechanical strength of conventional wet-quenched coke: Manually select about 100kg of coke with a large particle size in the stockyard or on the car, take it back to the laboratory, place it for a certain period of time, air-dry the surface moisture of the coke, and then sieve it with a sieve with an aperture of 60mm, and then Weigh 50kg of coke > 60mm with a scale, put it i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/22G01N35/00
CPCG01N33/222G01N35/00584
Inventor 何志明霍一君薛莹申健石开华
Owner SHANGHAI MEISHAN IRON & STEEL CO LTD
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