35 Ton Convection Section Assembly Delivery by Qingdao Hexin Machinery Co., Ltd.

 35 Ton Convection Section Assembly Delivery by Qingdao Hexin Machinery Co., Ltd.

Heating furnace convection section module
Designing and manufacturing a complete set of heating furnaces, converting furnace drawings and modular prefabrication in the factory, and pre-assembling the furnace body's segmented steel structure, reducing the amount of on-site installation engineering, which can significantly shorten the engineering cycle and ensure engineering quality.
Modular manufacturing of heating furnaces
In the convection section of the heating furnace, the manufacture of the box module is generally completed in the factory, including the steel structure of the box, the installation of the tube sheet, the construction of the lining and insulation nails, the furnace pipe, and the welding of the sharp bend pipe. It is generally divided into one or more box modules, and the hoisting of the modules is completed on site.
Heating furnace coil welding
When designing and manufacturing a complete set of heating furnaces, the key link of manufacturing quality control is the welding of coils. Welding is carried out in strict accordance with the welding process, and the quality inspection is strictly controlled to ensure that each weld meets the requirements. The convection section components are mainly used for preheating raw materials, steam for generating and superheating reaction, and recovering waste heat in flue gas. 
The layout of the convection section used in different process schemes is slightly different, mainly including the raw material/steam mixed superheating section, the steam superheating section, the steam generation section, and the combustion air preheating section.

HEXIN Machinery produces various OEM wear and corrosion resistant components for the cement, lime, coal, shot blast machines,and iron Ore industries.
The castings HEXIN made generally are made from special irons and manganese steels, which are critically used in the sectiors of cement manufacturing,coal mining (surface and underground), copper smelting,crushers direct reduction of iron (DRI)
Iron ore manufacturing,Lime manufacturing. All the castings manufactured at HEXIN go through strict quality checks at all stages before being supplied to customers.
Typical Mining & Mineral castings:
Ø Cooler grate plates
Ø Drag chain links
Ø Kiln outlets sector
Ø Immersion tubes for Pre heater
Ø Dipping tube assemblies
Ø Thimbles
Ø Air cannons
Ø Grate plates
Ø Drag chains
Ø Pelletizing grates
Ø Feed chutes
Ø Rotary cooler castings
Ø Burner tips
Ø Liners
Ø Brackets,
Ø Cooler grates
Ø Grate bars
Ø Iron ore feeder rolls
Ø Kiln nose rings
Ø Pallet cars
Ø Precipitator thimbles
Ø Traveling grate components


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