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ROLLER HEARTH FURNACE FOR PLATE
PRF Roller Hearth Furnace for Plates is suitable for heat treatment processes of normalizing, annealing, quenching, tempering, etc. of bridge plates, ship plates, track plates, and other plates.
Depending on different needs, ARES PRF can be driven in two different ways: the entire line is driven by a single reduction motor, or each single roller is independently driven by a reduction motor. The drive system is equipped with a frequency control of motor speed and a material tracking system to accurately track the position of materials in the furnace. Heating methods are divided into two types: radiation tube heating under the protective atmosphere or open flame heating. The combustion system adopts a self-preheating high-speed burner combined with pulse combustion control to ensure temperature uniformity and to save fuel. The automation control system has functions such as material tracking, temperature control, protective atmosphere measurement and control, and production reports issuance. According to user requirements, PRF furnaces can be equipped with an online mathematical model for the heating process simulation. According to requirements of different heat treatment processes, PRF can be equipped with roller-pressing continuous quenching machines, intermittent pressure quenching machines, and online control cooling devices accordingly.
Material：Low alloy steel
Product type：Hot rolled plate, construction machinery plate
Product size：300-5000 X 10-200mm
Heat-treatment process：Quenching, tempering, normalizing, annealing
Quality of surface：Micro oxidation in protective gas, less oxidation in open fire heating
Maximum temperature：980℃
Fuel：NG，Mix gas, Purified generator gas, electricity
Atmosphere gas：N2，H2，or open fire
Capacity：10-100t/h
Quenching device：Roller pressing continuous quenching machine,Intermittent pressure quenching machine,Online control cooling device
ROLLER HEARTH HEAT-TREATMENT LINE FOR MECHANICAL PARTS
ARES HTL is mainly used for quenching and tempering heat treatment of high-strength or wear-resistant sheet parts with large output in the mechanical industry. For different workpieces, different rollers, transmission control methods, and quenching methods are adopted to meet their various process requirements for quenching, tempering, and cooling, ultimately achieving the requirements for product performance and contour tolerance of working parts.
Fully Automated Material Transfer
HTL is a fully automatic and highly accurate continuous quenching and tempering heat treatment line that integrates various processes such as quenching heating, quenching, tempering, and controlled cooling. It adopts a roller-bottom material transmission system, achieving full-process material tracking and automatic material organizing (material distribution in batches).
Various Quenching Methods
According to the shape of different workpieces, different quenching methods can be selected to achieve uniform cooling, which can effectively ensure the uniformity of mechanical properties and material flatness.
Efficient Heating Method
The heating system is equipped with high-quality self-preheating burners, which have the advantages of high heating efficiency and good temperature uniformity. The tempering furnace is equipped with a large flow rate furnace gas internal circulation system to achieve high demands for temperature uniformity.
Material：Alloy structural steel, wear resistant steel
Product shape：Abnormal or regular plate type
Heat-treatment process：Quenching, tempering
Capacity：1~10 t/h
Fuel：NG，Mix gas, electricity
Maximum temperature：980℃
Quenching mode：Continuous quenching, intermittent pressure quenching
ARES RHF rotary hearth furnace is suitable for heating of pipe billets, castings, and forgings, heat treatment of coils, wheels, castings, forgings, and silicon steels, as well as high-temperature reduction of direct-reduced iron, whose maximum furnace temperature can reach up to 1400 ℃. It is an essential heat treatment furnace for enterprises engaged in rolled steels, high-end castings and forgings, and special heat treatment production.
Features of RHF
A double-deck fan-shaped furnace bottom frame structure is adopted to effectively reduce the high temperature external expansion from the furnace bottom and to ensure long-term stable operation of the equipment.
The patented support rollers, centering rollers, and transmission devices ensure smooth operation of the furnace bottom and highly accurate positioning of materials inside the furnace.
The optimized design of refractory materials for the furnace body can effectively prevent the high temperature external expansion from the furnace hearth, the lower temperature of the furnace wall and top, and reduce energy consumption significantly.
Hydraulic motor drive enables high torque to be achieved. Multiple motors running synchronously, combined with a material tracking system, positioning of materials in the furnace is more precise.
A new high-temperature flameless combustion system has been adopted to achieve low NOX emissions, meeting environmental requirements.
The degree of automation is so high that the entire process of charging and discharging and the control of the combustion system can be completed automatically without manual intervention.
ARES Remote Service System (RDMS) and Industrial Furnace Production Data Intelligent Analysis System (FDAS) can be configured, which can greatly improve the stability of product quality, enhance the production efficiency in connection with the previous and next production processes, and reduce production costs usefully.
Product shape：Billet heating, casting / forging heating and heat treatment, coil / wheel / silicon steel heat treatment, direct reduction iron
Average diameter：Φ2～50m
Capacity：5～250t/h
Max. temperature：450～1400℃
Atmosphere：Open fired / Protective gas
Fuel：NG, Mix gas, Electricity
Corollary equipment：Charge and discharge machine
Tel:022-23783878 E-mail: ares@ares-furnace.com
Add:No.408 Building 10,Highland lndustrial Park,No.35Intelligent road,Xiqing District,Tianjin 300382,P.R.China