Blast-furnace tuyere length and diameter calculation method and blast-furnace tuyere adjusting system
By establishing a tuyere adjustment model and using a laser diameter gauge and infrared thermal imager to optimize tuyere parameters, the problem of difficulty in matching the length and diameter of blast furnace tuyere was solved, and production efficiency and economic benefits were improved.
CN120597348APending Publication Date: 2025-09-05RIZHAO STEEL HLDG GROUP
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Patent Information
- Application Number
- CN202510668654.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-23
- Publication Date
- 2025-09-05
AI Technical Summary
Technical Problem
In the prior art, it is difficult to match the length and diameter of the blast furnace tuyere, resulting in low production efficiency, high cost, and frequent adjustments that waste manpower and material resources.
Method used
An adjustment model between the depth, proportion, blast kinetic energy and size of the tuyere activation zone is established, and real-time measurement is performed using a laser caliper and infrared thermal imager. The tuyere parameters are optimized through a calculation unit and a monitoring alarm unit.
Benefits of technology
It realizes scientific management of tuyere parameters, improves adjustment efficiency, reduces downtime, optimizes airflow distribution, extends tuyere life, and improves combustion efficiency and output.
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Smart Images
Figure CN120597348A_ABST
Abstract
The invention relates to the technical field of smelting, and discloses a blast-furnace tuyere length and diameter calculation method and a blast-furnace tuyere adjusting system.The method comprises the steps that the corresponding relation between the tuyere activation area depth L and the activation area proportion n is established; establishing a tuyere adjustment model L = # imgabs1 # + E / k of the tuyere activation area depth L, the tuyere stretching length # imgabs0 # and the blast kinetic energy E; establishing a corresponding relation between the actual blast kinetic energy E and the tuyere diameter d0; and according to the relationship, the extension length of the tuyere is determined under the condition that the diameter d0 of the tuyere is known or the diameter d0 of the tuyere is calculated under the condition that the extension length of the tuyere is known. The system comprises a data acquisition unit, a calculation unit, a monitoring alarm unit, a tuyere diameter measuring device and a tuyere extension length measuring device. The tuyere parameters are determined through scientific calculation, the service life of the tuyere can be prolonged, the smelting efficiency of the blast furnace is improved, fuel consumption is reduced, the fluctuation resistance of the blast furnace is improved, scientific management is achieved, and maintenance cost and downtime are reduced.
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