Design of Heating Furnace in Rolling Steel Workshop
The heating furnace is an important part of rolling steel workshop, which is commonly used in many industries. This paper mainly introduces the design of heating furnace in rolling steel workshop.
1.the general design
The use of the heating furnace includes making steel products, smelting metal materials that need to be heated, etc. The design of the heating furnace in the rolling steel workshop is generally composed of the furnace body, combustion system, heat transfer system, exhaust system, control system, etc.
Furnace body: The furnace body of the heating furnace in rolling steel workshop generally adopts an integrated structure with pre-stressed anchoring frame to ensure structure stability. The furnace walls are refractory bricks and masonry ceramic fibre modules. The furnace roof is made of pre-stressed frame and ceramic gutters.
Combustion system: The heating furnace of the rolling steel workshop is usually powered by gaseous fuel or oil. According to the actual situation, the furnace needs to use cylindrical oil gun, re-burning fuel air preheating technology and air atomizing gun oil gun as ignition measures. In addition, the flue gas recirculation device needs to be installed in the flue system to reduce the nitrogen oxide content of the flue gas.
Heat transfer system: The heating furnace in the rolling steel workshop is generally equipped with two layers of radiant heat transfer tubes and two layers of convective heat transfer tubes. The thermal water or the steam plus thermal water mode is adopted to transfer the heat to the radiant heat transfer tubes and convective heat transfer tubes.
Exhaust system: A wet type dust removal device is generally adopted in the rolling steel workshop. It is necessary to consider the dust removal and automatic ash removal system.
Control system: The control system of the heating furnace in the rolling steel workshop usually adopts microcomputer digital control and automation technology. The system is characterized by simple operation, reliable performance and convenient maintenance.
2. Technical Features
The heating furnace for rolling steel workshop should have the following technical features:
High temperature resistance: The furnace wall should have good high temperature resistance and thermal shock resistance.
Large heating area: The heating area of the furnace should be large enough, and the temperature of all parts of the furnace should be uniform, which ensures the uniform heating effect of the furnace.
Good heat transfer effect: The heat transfer efficiency of the heating furnace should be high, which is beneficial to the heat recovery and exhaust treatment of the furnace.
Sealing and air tightness: The furnace should have good sealing performance and good tightness, so as to ensure that the furnace does not leak air.
Safety and environmental protection: The operation of the furnace should be safe and reliable, and should meet the environmental requirements of different production sites.
3. The Significance of the Design
The design of the heating furnace in the rolling steel workshop is an important job. The reasonable design will help to improve the thermal efficiency of the furnace, reduce the energy consumption, and make the production cost of the steel products reduce a lot. In addition, the design of the furnace can also improve the working environment of the furnace, reduce the load of the worker, and achieve the purpose of stable production and safe operation.
