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Nanjing Nianda Furnace Science and Technology Co., Ltd.

Furnace, Industrial Furnace, tempering furnace manufacturer / supplier in China, offering Gas-Fired Continuous Aging Furnace, Bogie Hearth Aging Furnace, Suspansion Chain Type Half-Axle Quenching And Tempering Furnace (Industrial Furnace) and so on.

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Gas-Fired Continuous Aging Furnace

FOB Price: US $5,000 / Piece
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $5,000/ Piece
Get Latest Price
Production Capacity: 1-15
Transport Package: Steel Sheet
Payment Terms: L/C, T/T
Basic Info
  • Model NO.: ND-AF-1000
  • Condition: New
  • Automatic Grade: Automatic
  • Certification: ISO, CE
  • Specification: custom design
  • HS Code: 8514901000
  • Customized: Customized
  • Power Source: Gas
  • Type: Iron-Making Equipment
  • Trademark: Nianda
  • Origin: China
Product Description
The continous gas-fired aging furnace is supplied heat treatment kinds of castings.

1.5.3  Quenching Tank
1.5.3.1 Main Technical Parameter 
 
No.
       
Item
       
Data
1
Effective Capacity (1st one)
32m3
2
Temp. of Quenching Liquid
50ºC±5ºC
3
Power
380V  50HZ
4
Max. Quenching Capacity
(per cycle)
2000kg
5
Working Cycle
~30min/
6
Work pieces temp.
≤530ºC
7
Stirring Rate
100m3/h
8
Water Stirring Method

Spring gushing method
9
Data for Stirring Pump
100m3/h,:25m
flow volume: 100m3/h, water lifting capacity :25m
10
Power of Stirring Pump
~11KW
11
Elevating Device for Charge Basket

Electrical
12
Motor Power of Roller Conveyor
0.55KW
13
Stirring Pump
1 set
14
Cooler for Quenching Water
1 set
15
Rated Heating Power
200KW
16
Heating Elements

Stainless Steel Heating Pipe
17
Cooling Method

Plate-type Heat Exchanger
18
Inner plate of quenching Tank

Stainless Steel
19
Water Level Control
KEWILL, German, LMS type
(KEWILL)LMS
20,
Volume of 2nd and 3rd Rinsing Bath
18m3
21
Cleaning Method

Automatically Immerged in tank
 
Quenching tank mainly consists of quenching tank, inside transfer supporting rack, stirring device, quenching rack for charge basket and its lifting device.

1.5.3.2 Quenching Tank Body
It is made of high quality steel plate and formed steel and welded into box type. It has adequate rigid and strength. Effective capacity of the quenching tank is 32m3. for easy transportation, tank body is partially fabricated and will be assembly at buyer's shop. 
Four sides and bottom of tank are supported by 14# profiled steel, tank plate is made of stainless steel (thickness: 6mm). Welding parts between formed steels adopts continuous-welding method, and welding parts between formed steel and steel plate adopts spot-welding method, which with a distance about 50/200. Welding parts between steel plates adopts continuous-welding method. Tank will be fixed with foundation imbedded gasket. Thus the whole tank body has reliable and stable structure.
Maintaining platform, ladder, and safety fence are designed with the tank. 

Over flow trough is designed at proper position of the tank. Filtering net, drain hole and slag removing hole are designed at bottom of quenching tank.

1.5.3.3  Lifting rack and roller conveyor inside of tank
It mainly consists of steel framework, roller, driving speed reducer, lifting orientation device, and lifting rack device.

Lifting rack inside of quenching tank is shaped into cradle type, at bottom is designed with rollers. Basket will be discharged out of furnace chamber, delivered to lifting rack, and then immerged inside of quenching water.  So strength and stability of lifting rack is extremely critical fact for reliable running.

Lift rack is made of high strength large scale formed steel and continuously welded together to form an integrate framework.   Welding between formed steel and steel plate adopts spot-welding method with a distance about 50/200. Steel plates are continuously welded together.

Rollers are made of stainless steel pipe. To avoid basket sliding to one side, positioning collars are designed at two ends of each roller. Roller conveyor is driven by motor, sprocket wheel, and chain. Distance between roller is 305mm. Frequency converter which supplied by Siemens is designed for regulating motor driving speed. Motor is supplied by SEW , German.

Lifting orientation device: it composes of guiding post, running wheel, and guiding pulley.

1.5.3.4 Spring gushing type stirrer
It is mounted at bottom of quenching tank. The high pressure spray nozzles are arranged at effective range of quenching tank. High pressure nozzles are crossly placed at bottom of quenching tank. It ensures work pieces uniformly cooling down, free of deformation.

The stirring system consists of suction port, nozzle, pump, pipe, and valves.

     1.5.3.5 Heater for quenching liquid
It adopts tube type heater which has simple structure, and easy to replace. 

1.5.3.7  Quenching Liquid Level Checking Device
To ensure the quenching system can efficiently running, liquid level inspectors are mounted with quenching tank. If liquid level is too low, quenching process could not be performed. High liquid level controller, lowest liquid level controller are installed in the tank.

1.5.4 Transfer skip
1.5.4.1  Supporting Rack of Transfer Trolley
Framework of it is made of formed steel which cross arranged together. Each transverse beam is reinforced by same formed steel. Which ensures supporting rack has adequate strength and rigid.

1.5.4.3 Travelling Roller Conveyor for transfer trolley
Roller is made of seamless steel pipe. To ensure basket smooth travelling, each roller is designed positioning collar.

Roller conveyor is driven by motor, sprocket wheel, and chain. Travelling speed is controlled by Siemens frequency transducer. At transfer area, one working position is designed at this section, so that to ensure automatic running purpose. Motor is selected from SEW German.

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Ms. Tina Ma
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