Pit Type Furnace Features
Precise Temperature Control
Advanced temperature control systems and multi-zone heating technology help maintain uniform heat distribution throughout the furnace chamber, improving annealing consistency and product quality.
High Loading Capacity
The pit structure accommodates multiple wire coils in a single batch, increasing productivity and reducing loading frequency.
Protective Atmosphere Support
The furnace can be equipped with nitrogen, hydrogen-nitrogen mixed gas, argon, and other protective gas systems to reduce oxidation and decarburization during the annealing process.
Energy-Efficient Operation
High-performance insulation materials and optimized heating systems reduce heat loss and lower operating costs.
Pit Type Furnace for Wire Annealing Parameter
| Model | Loading Capacity (t) | Heating Method | Control Power (kW) | Overall Dimensions (mm) | Loading Dimensions (mm) | Crane Hook Height (mm) - With Feet | Crane Hook Height (mm) - Without Feet |
|---|---|---|---|---|---|---|---|
| HCA-240/240-G | 8 | Natural Gas | 20 | Φ4100 × H6940 | Φ2400 × H2400 | 9200 | 7700 |
| HCA-320/240-G | 12 | Natural Gas | 42 | Φ4900 × H6940 | Φ3200 × H2400 | 9200 | 7700 |
| HCA-340/240-G | 18 | Natural Gas | 42 | Φ5100 × H6940 | Φ3400 × H2400 | 9200 | 7700 |
| HCA-360/240-G | 24 | Natural Gas | 50 | Φ5300 × H6940 | Φ3600 × H2400 | 9200 | 7700 |
| HCA-360/340-G | 24 | Natural Gas | 50 | Φ5300 × H8050 | Φ3600 × H3400 | 10500 | 9000 |
Improved Wire Processing Performance：The annealing process reduces material hardness and increases flexibility, helping minimize wire breakage during drawing and processing.
Stable Product Quality：Uniform temperature distribution and controlled atmosphere conditions contribute to consistent mechanical properties.
Reduced Oxidation and Decarburization：Protective atmosphere technology helps improve surface quality and minimize material loss.
Lower Energy Consumption：Optimized thermal design improves heat utilization efficiency and reduces operating costs.
Flexible Production Capability：The furnace supports different wire diameters, materials, and production capacities for various manufacturing requirements.
Industrial Quenching Furnace Equipment Structure
A Pit Type Furnace for Wire Annealing mainly consists of the following systems:
1.Furnace Body System
The furnace body adopts a cylindrical pit structure with a heavy-duty steel shell and high-quality refractory insulation materials for thermal efficiency.
2.Heating System
Heating options include:
Natural gas heating system
Electric resistance heating system
Hybrid heating system
The heating elements are arranged to provide stable and uniform heating performance.
3.Furnace Cover System
The furnace cover uses hydraulic or mechanical lifting mechanisms with reliable sealing performance to minimize heat leakage and air infiltration.
4.Atmosphere Control System
The system regulates gas flow, pressure, and atmosphere composition to maintain a stable internal environment.
5.Circulation System
A high-temperature circulation fan promotes uniform airflow and heat transfer inside the chamber, reducing temperature differences.
6.Automatic Control System
PLC-based controls with a touchscreen interface allow users to set process parameters and manage heating, soaking, cooling, and operational monitoring automatically.
Annealing Heat Treatment Furnace Applications
Pit Type Furnace for Wire Annealing is widely used in multiple industries
Steel Processing Industry
Used for annealing low-carbon steel wire, high-carbon steel wire, spring wire, welding wire, and steel wire rope materials.
Wire and Cable Industry
Applied in copper wire and aluminum conductor heat treatment to improve flexibility and conductivity.
Fastener Manufacturing Industry
Suitable for pre-treatment of wire materials used in screws, bolts, nuts, and cold heading production.
Metal Products Industry
Widely used in steel wire mesh, metal weaving products, spring products, and wire-based components.
Automotive Components Industry
Used for heat treatment of high-strength wire materials and related automotive manufacturing applications.
FAQ
1. What types of wire materials can be processed in a Pit Type Furnace for Wire Annealing?
The furnace is suitable for low-carbon steel wire, high-carbon steel wire, stainless steel wire, copper wire, aluminum wire, and selected alloy wire materials.
2. Can the furnace size be customized?
Yes. Furnace diameter, chamber height, loading capacity, and heating power can be customized according to production requirements.
3. What heating methods are available?
Common options include natural gas heating, electric heating, and hybrid heating systems.
4. Does the furnace support protective atmosphere annealing?
Yes. Nitrogen, hydrogen, nitrogen-hydrogen mixed gas, and argon systems can be integrated.
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