WIRE HEAT TREATMENT FURNACE EQUIPMENT

CONVECTION SHAFT FURNACE FOR SPHEROID ANNEALING OF WIRES AND ROPES

Shaft and bell furnaces are widely used for spheroid annealing of wires, ropes, rods, metal balls, low- and medium-carbon alloy steel.

External view of a shaft furnace for spheroidizing annealing of wires and ropes

Watch on YouTube: "Shaft furnace for wire annealing in coils with 14 t capacity"

Shaft furnace and its features

• Temperature control: high precision control of temperature changes, automatic process of heat treatment. The fan is mounted in the bottom of the furnace to ensure stable heat throughout the entire cooking process and maintain a uniform temperature, temperature accuracy is ±5 degrees Celsius.
• Source of heating: electricity;
• Protective atmosphere: ammonia or purified nitrogen protect steel from oxidation, decarbonization, preventing metal loss;
• Capacity: 8 ~ 36 tons, takes small wire parties (≤10 t / party);
• Easy to use and install: the cover of the furnace is equipped with a pneumatic device for opening and closing.

SPECIFICATIONS AND DIMENSIONS OF SHAFT FURNACES

BARRELS FEATURES FOR ANNEALING OF WIRES, ROPES AND PARTS IN THE SHAFT FURNACE

• Thanks to the cold forming it is possible to increase the area of heat radiation and the overall strength of the surface of the barrel.
• The insulator provides high-quality thermal insulation and temperature control.
• Barrel can simultaneously receive from 1 to 16 coils of wire/rope (see. Figure).

Barrel
 

Deflector
 

The insulating layer and the furnace heating mechanism

SPECIFICATIONS FOR BARRELS OF SHAFT FURNACES FOR SPHEROID ANNEALING OF WIRES AND ROPES

ACCESSORIES AND ADDITIONAL BARRELS FOR SHAFT FURNACES

Cooling Engine

Insulating units

Insulator for furnace Cover

Thermocouples

Ventilator

Heat insulator

Lifting arrow

Asbestos

Deflector

Closing cover of the furnace

Mounting stand

ACCESSORIES FOR SHAFT FURNACES FOR SPHEROID ANNEALING OF WIRES AND ROPES

METHANOL DECOMPOSITION DEVICE

Automatic Control Panel

METHANOL STORAGE BARREL

METHANOL DECOMPOSITION FURNACE

It is used for decarbonization of medium or low carbon steel wire, steel alloy, spheroid annealing.

The furnace uses anhydrous methanol, heated to the decomposition to CO, H₂.

CH₃OH ⇒ CO↑+ 2H₂↑

SPECIFICATIONS

Type	Methanol consumption, cm3/ h	Temperature, °C (MAX)	power, kW	Weight of equipment, kg
CCCX-25	2400	1000	17	1500

SHAFT FURNACES FOR BRIGHT ANNEALING IN BALL PIT

Shaft furnace appearance

Practical use:

heat treatment, the total treatment of the wire, aluminum alloy, spherical wire, light wire and etc.

Specifications

PIT-TYPE ANNEALING FURNACE

Pit-type annealing furnace has a cylindrical housing welded with angle steel and steel plate. Inside housing, the pit-type furnace is made of light fire bricks. After work pieces that are to be heated are put into charging basket, they will be sent in or taken out through workshop hoisting equipment. Electrical equipments adopt controllable silicon, carrying out PID regulation and control by program control. It is suitable for the annealing of wire rod linear materials, copper pieces, stainless steel, and steal belt. Rush into nitrogen under vacuum state for annealing, non-nitriding, and non-decarburization, so as to make work pieces keep bright after annealing.

Purpose

• Provide annealing heat treatment for all kinds of steels at rated temperature.
• Annealing and tempering work after heat treatment quenching.
• Eliminate the stress of all kinds of steels or non-iron materials.

Equipment Introduction

• Movable-type furnace cover, equipped with PLC control system; excellent operability and accuracy.
• Welded by shaped steel and steel plate; bottom is made of high-alumina bricks; height and weight resistance.
• Furnace cover adopts guide rail combined move mode; go up and down by air pressure or oil pressure; good stability.
• Electronic type temperature control recorder; can observe and read history records, and make best monitoring at any time.
• Automatic control system and man-machine management interface; make management become more efficient.

Characteristics

• Electric power heating.
• Good tightness; specially designed convection system, which makes furnace temperature uniform.
• Thermal insulation material is ceramic cellucotton, light weight, good thermal insulation effect, quick warming and cooling speed.
• There is an air spacer sleeve between furnace pipe wall and water loop, which effectively reduces thermal energy loss.
• Have a system that compulsorily reduces temperature, save discharge time, increases productivity, and reduces cost.
• Temperature control adopts optimized PID control system, rapidly reach steady state; high precision.

Pit-type Annealing Furnace Specification

Relevant sizes list of annealing furnaces (electric heating type)
Applicable range -> the softening and spheroidizing of annealing hardware wires

SPECIFICATIONS OF SHAFT FURNACES FOR WIRE ANNEALING

 

Maximum temperature: >850°C
Capacity: 6 - 40 tons / furnace

Type	Size, mm	Power. kW	Temperature, °C (MAX)	Capacity (MAX) (kg/furnace)
RGBP-2020	Ø2000×2000В	180	>850	6000
RGBP-2420	Ø2450×2000В	240	>800	8000
RGBP-2820	Ø2800×2000В	280	>800	14000
RGBP-3024	Ø3000×2400В	350	>800	25000
RGBP-3530	Ø3500×3000В	380	>800	40000

Modification of the furnace is possible in accordance with the customer's requirements.

EQUIPMENT OF THE FURNACE