Well Type Annealing Heat Treatment Furnace

Product Feature

1. After annealing,the material surface has no oxide scale,slight decarburization,high spheroidization rate, and stable quality.

2. The heat insulation layer of the furnace cover uses ceramic fiber cotton,providing better heat insulation effect.The structure design of the furnace cover is more lightweight and stronger.Outer furnace body:The furnace wall uses high-grade ceramic fiber cotton and is processed by a tight and strong pressure method.The furnace bottom has multiple layers of heat insulation cotton,refractory bricks,and seamless heat insulation, providing excellent heat insulation effect.

3. The structure of the inner barrel and convection is lightweight and has a long service life.A reasonable heating method dominated by convection is achieved,and the temperatures of the inner and outer workpieces are more uniform.

4. Super strong convection fan:Large air volume,high strength,fast heating,time and energy saving.

5. Strong cooling system:Speeds up the cooling rate,saves time,and improves production efficiency. 

Advanced Annealing Furnace Solutions for Precision Heat Treatment

1.Scope of application

This equipment is an annealing furnace specially designed for spheroidizing annealing of automotive fasteners, aerospace,railway fasteners,power accessories,high-strength fastener wire rods (coils),etc.It is suitable for heat treatment processes such as spheroidizing annealing and softening annealing of medium and low carbon steel,alloy steel,and bearing steel wire rods(coils).

2.Heating method

Electrical heating：Uniform heating is achieved through high-efficiency resistance wire or electric heating tube, with precise temperature control, which can achieve slow heating and precise temperature maintenance.

3.Protective atmosphere

Methanol decomposition gas and nitrogen：Inhibits oxidation and decarburization, suitable for annealing of medium and low carbon steel and alloy steel.

4.Processing characteristics

Ensure that the decarburization meets the standard(no oxidation,slight decarburization)：No oxidation, slight decarburization, control the furnace atmosphere to be stable and prevent surface carbon loss.

Customized According To Industry Needs

The company designs and manufactures many types of industrial furnaces,spanning multiple industrial fields. Specifically:

 

1. HTC periodic annealing furnaces and HAC type spheroidizing annealing furnaces for wire and bar in the iron

and steel industry;

2. Automatic hot-dip galvanizing production lines for steel such as wires,bars,section steels and fasteners;

3. HTS continuous annealing furnaces for bars,pipes and profiles;

4. Corrosion-resistant,high thermal conductivity and energy-saving heaters,etc.;

5. In the atmosphere category,there are methanol decomposition furnaces,RX gas generating furnaces,high- temperature methanol decomposition furnaces,and nitrogen generators;

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FAQ

1. What is the working principle of a pit annealing furnace?

Pit-type annealing furnaces feature a vertical chamber design. Workpieces are loaded from the top and uniformly heated using heating elements (such as resistance wires or gas burners) located around the chamber. These elements transfer heat to the workpiece through radiation and convection, ensuring temperature uniformity. The furnace temperature is precisely controlled by thermocouples and intelligent digital temperature controllers to achieve the desired annealing process.

2. What materials are suitable for annealing in a pit annealing furnace?

Pit annealing furnaces are widely used for annealing copper, stainless steel, steel strip, and other metal parts. Their excellent thermal insulation and sealing properties ensure a clean surface after annealing, free of decarburization and minimal oxidation. The load-bearing components are constructed of heavy-duty, high-alumina bricks, ensuring a strong load-bearing capacity.

3. What are the key points for maintenance of pit annealing furnace?

Maintenance points include:

Regularly check heating elements and temperature control systems to ensure they are functioning properly;

Clean up the ash and debris in the furnace to keep the furnace clean;

Check the sealing of the furnace door to prevent heat leakage;

Check the electrical system regularly to ensure good grounding and prevent electric shock accidents;

Carry out comprehensive maintenance regularly to extend the service life of the equipment.

4. What are the application areas of pit annealing furnaces?

Pit annealing furnaces are widely used in metallurgy, machinery manufacturing, aerospace, and other fields, and are particularly suitable for annealing metal materials such as steel and aluminum alloys. Through the annealing process, the mechanical properties of the material can be improved, internal stress and structural defects can be eliminated, and the plasticity and toughness of the material can be increased.