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HomeProductsIndustry FurnaceIron Powder Reduction Furnaceiron powder reduction furnace

iron powder reduction furnace

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Min. Order:
1 Bag/Bags
Delivery Time:
120 Days
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  • Product Description
Product Attributes

Model No.: SM

Type: Electric Holding Furnace

Usage: Steel Molding

Fuel: Furnace

Supply Ability & Additional Informations

Packaging: Export

Productivity: 50sets/year

Brand: SM

Transportation: Ocean

Place of Origin: China

Supply Ability: 50sets/year

Certificate: CE

Port: Shanghai

Packaging & Delivery
Selling Units:
Package Type:

I. Processing materials and specifications:

Processing powder: reducing iron powder in the reducing atmosphere for the second continuous fine reduction treatment;

Spread requirements for iron powder: Thickness Max 30mm , width Max 1000mm (adjustable )

Iron powder loose packing ratio: 2.6-3.0g/cm3

Reduction Annealing Heating time: 60 minutes (adjustable)

Production capacity: 8000t/year (according to 300 days continuous production design)

II.The main components of reduction furnace equipment:

1. Quantitative feeding bin (including powder regulating bin) 1 set

2. Steel belt front tension roller frame (length 6m) 1 set

3. Sealed exhaust chamber (length 3m) in front of the furnace 1set

4. Reduction heating furnace body (length 17.5m) can be divided into two sections 1 set

5. Heat-resistant steel muffle (18m) can be divided into two sections 1 set

6. Slow cooling insulation jacket (length 3.0m) 1 section

7. Water cooling jacket (length 3.0m/section) 5 sections

8. Rear chamber of discharge nitrogen sealing roller (length 1.5m) 1 section

9. Water jacket supporting steel frame 1 set

10. Steel belt return roller (18 sets of water-containing sleeve rollers) 45 sets

11. Steel belt main transmission mechanism frame (length 3m) 1 set

12.2.5mm SUS310S conveyor steel belt (1220mm wide) ~100m

13. Steel belt powder removal roller 1 set

14. Discharge crushing roller and powder hopper 1 set

15. Steel belt smoke anti-sticking device (steel belt return area) 1 set

16. Electrical control system: (12 zone control, 1000KW)

17. 40m3/h nitrogen supply device (purity 99.995) 1 set

18.100m3/h ammonia decomposition device (dew point-60℃) 1 set

19. Overall dimensions of steel belt type fine reduction furnace :

~ length 46m and width 2.8m and height 2.8m

III The structure of each part of the reduction furnace:

A. Steel belt tensioning and automatic deviation correction device:

Adopt steel and steel plate welded structural frame, tension roller adopts self-rolling counterweight tensioning operation; self-aligning bearing is installed on the side of passive shaft, four V-groove rollers with four legs of roller frame are installed on the guide rail made of two angle steel, The roller frame is tensioned by a counterweight attached to a steel wire rope; after heating, the roller frame extends in the direction of the guide rail.

In order to ensure the normal conveying operation of the steel belt, an automatic deviation correcting device is set at the front tension roller. The steel strip edge photoelectric travel switch controls the monitoring of the steel strip deviation position, and feeds back to the electric actuator cylinder to control the adjustment of the steel strip roller. The whole process of self-operation and electrical signal sound and light prompt.

B. Support roller:

It is made of welded steel, and its supporting rollers are installed with bearing supports on the left and right.

C. Front chamber sealed with nitrogen curtain (feed):

The chamber body is a 4mm SUS304 stainless steel plate welded sleeve body. The steel belt inlet is provided with an elastic sealing roller and a nitrogen gas curtain to protect the oxygen isolation device; after the metal powder enters, the nitrogen surface is oxygen blown;

The top of the entrance area of the front room is equipped with a stainless steel V-shaped feed powder bin, which is controlled by a variable-frequency speed governor to rotate the impeller to do quantitative feeding; the feeding motor: 2.2KW, 0-30rpm adjustable frequency

The thickness of the powder before entering the furnace is also set by manual adjustment (15-35mm range). The powder width is controlled by the manufacturer when the bin is maximum: 1300mm width; the chamber body flange is connected with the annealing furnace muffle flange bolt, which can be followed The expansion/cooling movement.

D. Reduction furnace: length 17.5m

Mainly composed of: furnace shell, furnace lining, electric heating element, heat-resistant steel muffle, temperature control, etc.;

a. Furnace shell: mainly welded by 4mmQ235A3 steel plate and various 12-16# rectangular negative tubes and channel steel;

b. Furnace lining: It can be divided up and down; the upper half is made of ordinary aluminum silicate needle punched blanket, the bottom is made of thermal insulation light brick and high aluminum refractory brick, and the muffle support pier is made of non-standard high aluminum profile brick;

c. Electric heating element: Shanghai-made high-temperature alloy wire (material: 0Cr21Al6Nb)

The electric heating wire is processed spirally, and the corundum porcelain tube is arranged in the middle, arranged in zones

A certain distance above and below the muffle tank;

d. Heat-resistant steel muffle: (length 18m)

Muffle: Welding is made of high-quality heat-resistant stainless steel plate produced by TISCO.

1) Muffle plate grade: SUS310S

2) Thickness of muffle plate: 10mm

3) Front muffle studio size: length 18000×width 1300×arch foot height 100mm

4) Muffle production: The slab is pressed and reinforced with multiple R ribs, and is continuously sealed and welded by 316 corrosion-resistant special stainless steel electrode

e. Furnace temperature control:

The temperature control of the reduction furnace is an independent control system; the intelligent temperature control digital display imported from Fuji, Japan is used, with PID self-tuning, over temperature alarm and other functions; the execution element: bidirectional thyristor; the furnace temperature record is equipped with a high-quality domestic color display. Paper recorder (12 channels); low-voltage electrical components of the control system are: Suzhou Siemens brand supply.

1) Effective control of temperature zone: 12 zones

2) Rated temperature: 1000℃

3) Normal working temperature: 850-950℃

4) Voltage: ~380V (3-phase 5-wire system)

5) Control voltage: ~220V

6) Heating power of reduction furnace: 1000KW

7) Meter and even indexing number: K type

8) Furnace temperature deviation: ±5℃

E. Water cooling jacket:

F. Drive roller (active roller):)

G, transmission steel belt:

H. Steel belt powder removal roller (with 1 stainless steel powder receiving box)

I. Discharging and crushing powder storage bin:

J. Furnace pressure safety control system:

K. Protective gas flow control frame assembly:

L. Steel belt anti-stick smoke device:

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Product Categories : Industry Furnace > Iron Powder Reduction Furnace

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