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  • Bogie hearth gas annealing furnace
  • 2Bogie hearth gas annealing furnace
  • 1Bogie hearth gas annealing furnace
  • gas annealing furnace
  • Bogie hearth gas annealing furnace
  • 2Bogie hearth gas annealing furnace
  • 1Bogie hearth gas annealing furnace
  • gas annealing furnace

Bogie hearth gas annealing furnace

  • Processing capacity:1000-200,000kG
  • Rated temperature:900-1250 ℃
  • Application:forging parts, casted parts,pressure vessel,Train railway,special steel plate,shaft,rotary parts,centrifugal fan impeller
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1. Introduction

Bogie hearth gas annealing furnace has been applied in various kinds of annealing process, such as homogenizing annealing and full annealing, incomplete annealing, isothermal annealing, spheroidizing annealing, the recrystallization annealing or intermediate annealing, stress relieving annealing, etc.

The bogie hearth gas annealing furnace that we produce can meet the requirement of various annealing process, the application of human-computer interaction system on the furnace increases the controllability of the annealing process. The application of high speed burner ensures the temperature increases to the best annealing temperature according to the requirements of workpiece heat treatment.

2. Structures

Consists of furnace shell, furnace lining, furnace door and furnace door lifting device, natural gas supply system, combustion system, burning system, smoke exhausting system and electric control system and so on.

3. Features

1). Adopt natural gas as heat source, improving the economy of the operation, and realizing environmental protection and energy saving, etc.

2). The insulation material is ceramic fiber , which with fast temperature rising, energy saving and so on.

3). Electrical control part is purchased from domestic famous brands, and we can also supply you international famous brands, such as schneider, omron, and Siemens, etc.

4). The sealing between trolley and furnace shell can be fixed sand sealing, flexible sand sealing, moved sand sealing, Labyrinth sealing, Motor-driven push-rod type sealing, and cylinder pressure tight sealing and so on.

5). The furnace zones quantity, burner quantity and location designed reasonable to ensure temperature uniformity.

6). Burning system consists of imported components, pulse burning control.

7). Using high efficient heat exchanger, with high waste heat utilization rate, low energy consumption.

8). Furnace pressure is automatically controlled, to ensure the furnace with good temperature uniformity, and small gas consumption.

9). The furnace can also be specially designed with heavy oil for some countries,such as india and others.

Bogie hearth  gas annealing furnace is mainly applied to various products with large framework,and commonly used for annealing heat treatment of welding parts.

The involved industries :complete body annealing for special car tanks , post weld heat treatment(PWHT) for the pressure vessel or containers,large castings,large forgings and so on.


TYPE Furnace Theory Loading(T) Burning control method Rated Tep(℃) Working Zone size(mm) Gas consumption(Nm3/h)
RQT-3 3 pulse 1100 2x1.3x1.2 20
RQT-6 6 1100 2.6x1.5x1.4 32
RQT-12 12 1100 3.1x1.7x1.7 60
RQT-20 20 1100 4x2x1.9 120
RQT-30 30 1100 5x2.5x2.3 160
RQT-60 60 1100 6x3x2.8 240
RQT-120 120 1100 8x4x3.5 300
RQT-180 180 1100 8x6x4 380
RQT-230 230 1100 10x5x5 420
RQT-300 300 1100 15x7.5x7.5 600

Please note:the above sizes are standard products ,we can also provide customized products according to customers' requests.


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