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High Temperature Pit Furnace For Heat Treatment

High Temperature Pit Furnace For Heat Treatment

We manufacture high temperature pit furnaces for steel and alloy heat treatment, with a rated temperature of 1200°C, multiple chamber sizes and configurable temperature control systems.
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Product Introduction

Jiangsu Jiuding Industrial Furnaces Technology Co., Ltd. is one of the most experienced manufacturers and suppliers of high temperature pit furnace for heat treatment in China, also supports customized service. Welcome to wholesale high-grade high temperature pit furnace for heat treatment for sale here from our factory. Quality products and reasonable price are available.

 

Product Description

 

Our high temperature pit furnace for heat treatment is designed for batch processing of metal components that require high-temperature heating. It is suitable for normalizing, annealing, hardening and other heat treatment processes.

The vertical chamber works well for long workpieces such as shafts and pipes. We offer different furnace diameters, depths and power ratings to match the size and weight of the workpieces. The standard series has a rated temperature of 1200°C.

 

Working Principle

 

The high temperature pit furnace with temperature control uses electric resistance elements to generate heat. A thermocouple measures the furnace temperature and sends feedback to the control cabinet. The controller adjusts the heating output according to the preset temperature curve and holding requirements.

 

Key features

 

High-temperature operation: Rated temperature up to 1200°C for suitable metal heat treatment processes.

Vertical chamber design: Provides space for long and vertically loaded workpieces.

Adjustable chamber dimensions: Furnace diameter and depth can be selected according to the workpiece.

Electric resistance heating: Uses alloy resistance heating elements.

Temperature monitoring: A thermocouple and control cabinet are supplied as standard equipment.

Insulated furnace lining: Refractory insulation helps reduce heat loss through the furnace walls.

Flexible furnace cover: Manual or electric lifting can be selected according to the equipment design.

Optional atmosphere protection: Suitable protective arrangements can be considered when reduced oxidation is required.

 

Furnace Structure and Materials

 

Our high temperature pit furnace with electric heating consists of a steel furnace shell, refractory lining, insulation layer, resistance heating elements, furnace cover and temperature control system.

The cylindrical shell is made from steel plate and structural steel, with welded joints. The lining uses lightweight refractory insulation materials. Insulation between the lining and shell helps limit heat transfer to the outer body.

The resistance wire is made from 0Cr27Al7Mo2 high-resistance alloy according to the supplied standard design. For applications requiring atmosphere protection, additional gas inlet or protective-atmosphere arrangements can be discussed during technical confirmation.

 

Technical Parameters

 

Parameter

RJ2-60-12

RJ2-80-12

RJ2-105-12

RJ2-110-12

RJ2-150-12

RJ2-220-12

Rated power (kW)

60

80

105

110

150

220

Rated voltage (V)

380

380

380

380

380

380

Phases

3

3

3

3

3

3

Rated temperature (°C)

1200

1200

1200

1200

1200

1200

Furnace diameter (mm)

800

800

1000

800

600

1000

Furnace depth (mm)

800

1000

1200

2000

3500

3600

Heating sections

1

1

1

2

3

3

Empty-furnace heating time (h)

3

3

3

3

4

4

Maximum load (kg)

500

800

1500

4800

5000

7000

Reference weight (kg)

3000

3200

4000

4800

6500

8500

 

Applications

 

Our high temperature pit furnace for alloy steel is intended for industrial heat treatment of alloy steel, high-speed steel, high-manganese steel, high-chromium steel and other suitable metal materials.

Typical workpieces include shafts, pipes and mechanical components. Depending on the material and process requirements, the furnace can be used for normalizing, annealing, hardening and related thermal processing. Metallurgy, machinery manufacturing, metalworking and equipment production are potential application fields.

 

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