Microwave high temperature Sintering technology is an important process in the preparation of industrial materials. The traditional high-temperature sintering furnace technology can only complete sintering after a long time of high temperature. The microwave high-temperature sintering technology, which was born in recent years, has caused a new breakthrough in the concept of open high-temperature sintering technology with its time-saving, energy-saving and pollution-free characteristics, and is known as "a revolution in sintering technology".
1、 Overview
The microwave high temperature and high vacuum experimental furnace is a standardized and multi-functional microwave high temperature experimental equipment, which is mainly used in the high vacuum and high temperature sintering, research and development, low temperature treatment and small batch production of various materials in colleges and universities, research institutes, enterprises and institutions, technology research and development centers and other units. In particular, it can provide more precise atmosphere control for sample experiments that are susceptible to atmosphere pollution. It can be used with shielding gas, weak reducing gas and under positive pressure. It is characterized by fast sintering speed, high efficiency and wide application range.
2、 Structure composition
By Microwave Oven Chamber, microwave energy feeding system, high vacuum system, heat preservation system, crucible, atmosphere control system, control system, infrared thermometer, mobile car, etc.
3、 Technical parameters
S/N | content | RWS-3H | RWS-6H | RWS-12H |
one | Power Supply | 380±10V/50Hz |
two | Rated electric power | 8KW | 10KW | 20KW |
three | Microwave output power | 3KW (0.1 ～ 2.8kw continuously adjustable) | 6KW (0.2w~5.6kw continuously adjustable) | 12KW (0.4 ～ 11.2kw continuously adjustable) |
four | Microwave frequency | 2.45GHz±25MHz |
five | The operating temperature shall not be higher than | 1600 ℃ (air and protective atmosphere) |
six | Temperature measurement mode | Infrared thermometer |
seven | Measuring range | 300℃～1800℃ |
eight | Temperature control accuracy | ±1 ℃ |
nine | Static limit vacuum degree | ten -3 pa |
ten | Loading space | Ф 125X100mm | φ one hundred and eighty × 100mm | φ two hundred and thirty × 150mm |
eleven | Circulating cooling water flow | ≥1.5m three /h | ≥2.5m three /h | ≥2.5m three /h |
twelve | Hardness of circulating cooling water | <60mg/L (tap water can be used instead) |
thirteen | Control system | PLC+touch screen control mode, with USB interface, can realize automatic data recording, storage and supporting editing and printing functions; Multiple temperature curves can be set, with dual functions of automatic control and manual control |
fourteen | Atmosphere system | ten - two Pa vacuum or oxidizing, neutral and weak reducing atmosphere |
fifteen | Microwave leakage | ＜0.5mW/cm two The leakage is far lower than the national standard (GB10436-89)<5mW/cm two |
4、 Performance characteristics
1. The dual micro wave source is used to feed energy, the microwave field in the furnace cavity is uniform and stable, and there is no hot spot inside the sintered product;
2. Equipped with two-stage vacuum unit and two-way atmosphere control system, it can provide high vacuum or fine atmosphere conditions for sample experiments;
3. Microwave output power is stepless adjustable to achieve accurate temperature control curve;
4. Imported high-precision infrared thermometer is used to directly measure the sample temperature;
5. Two sets of operating systems, namely touch screen and PC unit, are adopted to facilitate user data processing, and provide manual and automatic operation modes and can be switched freely;
6. It can process various materials with different microwave characteristics, with good versatility;
7. A corrosion resistant exhaust channel is provided to rapidly discharge the gas generated in the heating process;
8. Real time temperature curve display, realizing dynamic monitoring of heating process;
9. Safe and reliable: equipped with industrial water-cooled microwave source system, which can be used 24 hours without interruption. The microwave leakage value of the equipment system is far lower than the national standard (only equivalent to the radiation level when using mobile phones). It has its own microwave leakage prevention alarm device and safety lock. When the microwave exceeds the standard, the microwave source can be cut off automatically or manually.
5、 Scope of application
1. Preparation of functional materials: sintering of neodymium ferrite, strontium, barium ferrite, Mn Zn Ni Zn ferrite, gyromagnetic ferrite and other ceramic magnetic materials;
2. Sintering of copper based, iron based and other powder metallurgy products and hard alloy products: Cu-c brushes, Fe based gears, WC Co tools, AlNiCo, SmCo, NrFe B alloy hard magnets, Fe based amorphous, Fe based nanocrystals, etc;
Can be customized according to customer requirements
