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Pusher Reduction Furnace
Technical principle: Under the condition of heating and hydrogen, some oxygen atoms will combine with hydrogen atoms to cause a reduction reaction, and the oxides will be deoxidized to generate elemental materials; the loading boat will be loaded with heating materials filled with hydrogen. The arrangement promotes ma..
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Overview and Principles
Powdered material deoxidization/annealing equipment of this series produced by,is primarily applied to the deoxidization/annealing of metallic oxide powders,also to the calcination of salts and the metallurgy and sintering of powders.
The entire equipment is consisted of three major components,furnace,material pushing device and temperature regulating system.Heating elements are distributed on and beneath the Muffle device,installed as draw-pull type of two lateral sides of the furnace connecting through with each other,convenient for installation and maintenance.
Both front and rear material passing ends are designed with bi-door furnace for constructing gas-replacing room,decreasing the gas exposed points and consuming,and greatly improving the steady of product quality and production security.
Each stage is equipped with closed-loop control system consisted of thermocouple,digital-displaying type intelligent PID regulator,and pressure and power regulator,achieving in precisely auto-controlling temperature(temperature control precision±5℃).Pusher’s pushing force is set with monitoring,PLC+touch screening control,simplified and clear operation,and auto-checking procedure guarantee device safely performing.
Innovative Technology:
Wet powder directly enters in deoxidization reaction,lower oxygen content.The gas pressure inside furnace is controllable,higher powder quality.
Temperature control system is equipped with thermocouple,digital-displaying type intelligent PID regulator,and controllable silicon,forming closed-loop control system,achieving in precisely auto-controlling temperature.
A.Controlling Advantages
Adopt the best human-machine interface,10-15 inch,among German brands,centralized date input,centralized management,and centralized control.
1.Completely auto-operation(completely auto-regulating,such as boating time,pressure,flow,ignition);
2.Applies British European temperature control system,higher temperature controlling precision;
3.Real-time alarm,historical alarm recording;
4.Auto-deciding handling methods after alarming,waiting with grades;
5.Integrated input of temperature,flow,pressure,and boating time;
6.Real-time tendency curves and historical tendency curves;
7.Operating authorization:operator,manager etc.(password protected);
8.Multi-stage technological curve options;
9.Upgradable remote assisting-diagnosing system.
C.Intelligent Control Technical Advantages
1.Apply with German imported Pressure Transducer Control;
2.Flow can be continuously set depending on its process;
3.Each process gas has two alarming output(warning alarm,acting alarm).
4.Delicated gas flowing control,and gas can evenly permeate into products.
D.Production Efficiency Advantages
1.Production max output of singe furnace approximates 8 ton/per day.
2.Innovative holding insulation technology,saving more than 50%electricity consumption.
3.Save more than 30%gas consuming.
4.Single-furnace product qualification ratio≥99%.
E.Completely Circulation Operating System Advantages
1.Double-replacing door structural design;
2.Fast-assembling complete circulating rails;
3.Accurately limit locations;
4.Independent operation available(single):
5.Reduce human-labor costs.
F.Security property superiorities
1.Huge-scale explosion-proof equipment;
2.Back-pressure filling device;
3.High-temp furnace tube deformation control.
G.Performance upgrading advantages
1.Multi-point temperature testing inside furnace;
2.Auto-examining and controlling on cooling water flow/temperature;
3.Gas oxygen content/leakage points checking inner furnace technology;
4.Valves applies German and Japanese brands;
5.Human-machine interface adopts the best brand in Germany.
Type: Heat Treatment Equipment
Input Size: depending on working zone size.
Processed Materials: all kinds of metal oxides, calcination of all salts and sintering of powder metallurgies, etc.
Applications: Pusher Reduction Furnace is highly recommended for reduction of all kinds of metal oxides, calcination of all salts and sintering of powder metallurgies, etc.
Specification/ Model
TJ-RF-200/70-3
TJ -RF-285/70-5
TJ -RF-300/70-5
TJ -RF-400/80-5
Rated heating temperature (°C)
1050°C
Quantity of furnace tube
1
2
2
2
Size of furnace tube in heating zone (mm) (W x H x L)
220x70x3700
310x70x7000
320x70x7200
420x80x7500
Quantity of heating zone
3
5
5
5
Gas consumption (Nm3/h)
5
10
10
20
Production capacity (kg/h)
30-60
60-90
90-150
130-170
Rated heating power (kW)
70
100
120
135
Rated supply voltage (V)
380V50 Hz
Material of muffle furnace tube
1Cr18Ni9Ti(SU321), OCr25Ni20(SUS310S)
Material of heating elements
High-temperature resistance wire, silicon carbide rod
Furnace structure
Regular pattern and whole fiber lining structure
Boat pushing method
Electric, pneumatic and hydraulic
Temperature controlling method
PID+SCR
Overall size (roughly) (mm) (W x H x L)
1450x1600x11500
1850x1650x17300
2050x1700x17500
2150x1750x18000
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