Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

An automatic device for firing a heating furnace

An automatic device and heating furnace technology, which is applied to heat treatment furnaces, furnaces, furnace types, etc., can solve problems such as increasing operating costs of enterprises, affecting production rhythm, and burning bearings in rolling mills, so as to reduce gas consumption per ton of steel and process costs, and ensure The effect of normal production rhythm

Active Publication Date: 2022-02-11
SHANXI JINNAN IRON & STEEL GRP CO LTD
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the pass modification, the current production of φ6.0 wire rod continuous rolling mill has a slow line speed, resulting in black tail steel formed due to the temperature drop when the second half of the billet enters the rolling mill. Burning bearings, broken rolls and even reducers of the rolling mill will occur after long-term operation. Major equipment accidents such as large box damage affect the normal production rhythm. It is necessary to increase the combustion time of the heating furnace to ensure that the billet temperature can meet the rolling requirements, but the consequences are increased gas consumption per ton of steel and increased process costs.
[0003] The existing heating furnace automation program cannot solve the above-mentioned problems according to the actual heating situation. If the heating time is increased, the problem of uneven heating at the tail of the billet can be solved, but it will greatly increase the fuel consumption of the heating furnace and increase the operation of the enterprise. cost

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] An automatic device for firing a heating furnace, comprising a main controller, a first control valve, a second control valve, a circulator and a timer, the main controller is connected with the first control valve and the second control valve, and the inside of the main controller Equipped with a timer and a circulator, the first control valve is set on the east side of the heating furnace, and the second control valve is set on the west side of the heating furnace. The first control valve and the second control valve control the fuel input on the east and west sides of the heating furnace. The first control valve and the second control valve are opened when they are working, and they are kept closed after they stop working, so as to control the combustion state on the east and west sides of the heating furnace. The circulator is connected with the main controller and the first control valve and the second control valve .

[0025] There is a control panel on the main c...

Embodiment 2

[0031] After the main controller inputs the number of cycles through the control panel, it transmits the value to the circulator. After receiving the number of cycles, the circulator controls the number of cycles of the first control valve and the second control valve respectively;

[0032] The circulator control can control the first control valve and the second control valve to work alternately in a cycle. After the first control valve starts to work for 80s, the second control valve starts to work for 80s;

[0033] After the circulator receives the instruction of the number of cycles, it adds one to the number of operations of the second control valve, so that the number of operations of the second control valve is increased by one compared to the number of operations of the first control valve;

[0034] The first control valve and the second control valve control the fuel input on the east and west sides of the heating furnace. The first control valve and the second control...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a firing automation device for a heating furnace, which comprises a main controller, a first control valve, a second control valve, a circulator and a timer, and the main controller is connected with the first control valve and the second control valve , and the main controller is equipped with a timer and a circulator inside, the first control valve is set on the east side of the heating furnace, the second control valve is set on the west side of the heating furnace, the circulator is connected with the main controller and the second A connection is constructed between a control valve and a second control valve, the heating time of the west side of the heating furnace controlled by the second control valve is increased by 80s compared with the heating time of the east side of the heating furnace controlled by the first control valve, so that the temperature of the west side of the heating furnace is Compared with the temperature on the east side of the heating furnace, it is 50-80°C higher. In the present invention, by increasing the working times of the second control valve on the west side of the heating furnace, the temperature on the west side of the heating furnace is higher than the combustion temperature on the east side of the heating furnace, so as to avoid uneven heating of the second half of the billet to produce black tail steel.

Description

technical field [0001] The invention relates to the technical field of steelmaking heating systems, in particular to an automatic device for firing a heating furnace. Background technique [0002] In the process of heating the steel billet, the existing heating furnace starts to automatically distribute the east / west combustion cycles of 80 seconds at the setting of 80 seconds. Due to the pass modification, the current production of φ6.0 wire rod continuous rolling mill has a slow line speed, resulting in black tail steel formed due to the temperature drop when the second half of the billet enters the rolling mill. Burning bearings, broken rolls and even reducers of the rolling mill will occur after long-term operation. Major equipment accidents such as large box damage affect the normal production rhythm. It is necessary to increase the combustion time of the heating furnace to ensure that the billet temperature can meet the rolling requirements, but the consequences are in...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C21D9/70C21D11/00
CPCC21D9/70C21D11/00
Inventor 于艳超祁新亮董鹏飞
Owner SHANXI JINNAN IRON & STEEL GRP CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products