Classification and translations of the Vacuum Annealing Furnace

There are two main classifications of vacuum annealing furnaces, including horizontal vacuum annealing furnaces and well-type vacuum annealing furnaces.

Horizontal Vacuum Annealing Furnace is mainly used for vacuum annealing of special materials, stainless steel, selenium steel core, precious metal parts, silver copper composite rivets and sheets.

Horizontal Vacuum Annealing Furnace Features:
1. Horizontal Vacuum Annealing Furnace is specially used for annealing of small parts and other under vacuum conditions;
2. The tightness of the Horizontal Vacuum Annealing Furnace is good, which effectively avoids the surface oxidation and rust of the workpiece in the annealing treatment and improves the quality of the treatment.
3. The holding furnace body can be moved backwards. After the annealing is completed, the cooling rate can be increased while maintaining the vacuum state.

Well-type Vacuum Annealing Furnace adopts pre-vacuum gas protection mode. During operation, the Well-type Vacuum Annealing Furnace is first pumped to a certain degree of vacuum, and the Well-type Vacuum Annealing Furnace is filled with high-purity nitrogen or ammonia decomposition gas for protection and heating, so as to achieve less non-oxidation heating, no off The purpose of carbon bright. Due to the use of agitating fans, the Well-type Vacuum Annealing Furnace has a higher uniformity of the furnace temperature. The Well-type Vacuum Annealing Furnace is mainly used for non-oxidized bright annealing of mechanical parts, silicon steel sheets, copper materials, copper, and wire materials.

Well-type Vacuum Annealing Furnace Features:
1, the heating element is distributed within the furnace, the distribution is reasonable
2. The furnace cover can be equipped with a hot air circulation device to make the gas and temperature in the furnace tank uniform;
3, can be equipped with vacuum pumping, increase ventilation speed, gas is more pure;
4, there is a protective gas, the product after annealing, no oxidation, eliminate processing stress, improve magnetic properties of iron core, reduce iron loss;
5, furnace temperature control using PID automatic power control smooth temperature control.

The main purpose of vacuum annealing furnace

Vacuum Annealing Furnace mainly applied to stainless steel deep drawing parts such as plumbing equipment, water expansion parts, pins, medical equipment, stainless steel nails, stainless steel wire, rivets, stainless steel bearings, case, strap, cutter, micro shaft, self-tapping self drilling, Cutlery and other stainless steel products under the control of the protective atmosphere continuous bright annealing, solid solution, demagnetization and quenching of stainless steel multi-purpose furnace.



After Vacuum Annealing Furnace treatment, the surface of the product is smooth, non-oxidizing and non-decarburizing. Vacuum Annealing Furnace has the advantages of high production efficiency, low energy consumption, less pollution, convenient operation, low labor intensity, etc. Vacuum Annealing Furnace can also be used for brazing and sintering of metal materials. Department of the introduction of foreign advanced digestion of the most advanced products in early 90.

Vacuum Annealing Furnace is widely used in the laboratory and manufacture of the field of metallurgy, ceramics, machinery, analysis test, semiconductor, chemical industry, metallurgy, and glass industries, new material developing, machinery, fire-proof material, architecture, special material and etc under vacuum or other gases condition. Also our Vacuum Furnace can be used in the fields of science & research and so on.

Muffle Furnace - The best Muffle Kiln from Luwei Muffle Furnaces.

Description of Muffle Furnace
A muffle furnace (sometimes retort furnace in historical usage) is a furnace in which the subject material is isolated from the fuel and all of the products of combustion, including gases and flying ash.[1] After the development of high-temperature electric heating elements and widespread electrification in developed countries, new muffle furnaces quickly moved to electric designs.

Today, a muffle furnace is usually a front-loading box or tube design used for high-temperature applications such as melting glass, creating enamel coatings, technical ceramics or soldering and brazing. They are also used in many research facilities to determine what proportion of a sample is non-combustible and non-volatile (i.e. ash).



Features of Muffle Furnace
Different inner chamber materials with different temperature. Temperature range from 1000°C - 1800°C. Muffle Furnace is High purity alumina fiber insulation and Morgan materials brick PID automatic control via SCR (Silicon Controlled Rectifier) power control with phase angle fired current limiting resistor. 16 programmable segments for precise control of heating rate.

Gold Melting Furnace - The best Gold Melting Kiln from Luwei Gold Melting Furnaces.

Description of Gold Melting Furnace
Gold Melting Furnace is High purity alumina fiber insulation and Morgan materials brickPID automatic control via SCR (Silicon Controlled Rectifier) power control with phase angle fired current limiting resistor.16 programmable segments for precise control of heating rate. Different inner chamber materials with different temperature. Temperature range from 1000°C - 1800°C.

Induction Melting is widely used for Gold Melting, Silver Melting and Copper melting. These induction gold melting systems are used in any realm of gold melting from High and Low Production Mining facilities to Precious Metals Refining entities to precious metals wholesale and retail buyers looking to melt their metals for more accurate assays.



Features of Gold Melting Furnace
Gold Melting Furnace is used to melt gold in order to refine gold prior making ornaments. Melting gold helps separating gold from black sand, dust, rags and other unwanted materials present. This gold furnace heats gold at its melting point. In addition, it is also used to melt silver. Gold Melting Furnace is one of useful instruments for jewelry makers and available in various capacities depending upon their use.

Glass Melting Furnace - The best Crucible Melting Furnace from Luwei Melting Furnaces.

Description of Glass Melting Furnace
Glass Melting Furnaces for melting and fritting are widely used in glass manufacturing due to their excellent temperature range, flexible configurations, and ease of access. As these are predominately batch furnaces in a box furnace configuration they can be specified as either bottom loading or front loading, but in the process of glass melting, access is highly facilitated.

The Glass Melting Furnaces product are used as day container. SiC rod heating in the furnace roof provide for fast heating times. A robust chamber insulation of refractory bricks in the bottom and non-classified fiber in the roof allows efficient working with low power consumption. The melting furnace is the appliance in a hot glass studio that holds the molten glass that will be gathered or ladled out to make glass products.



Features of Glass Melting Furnace
Glass Melting Furnace is a one-of-a-kind. With our advanced controller your furnace will follow your temperature curve. And, at the same time, controls the glass melting process evenly in every part of the furnace. We supply Glass Melting Furnaces to glass blowers and medium sized businesses. We design and manufacture the furnaces to your specific needs.

Calcined with Medium High Temperature Treatment Brown Fused Alumina

The Calcined with Medium High Temperature Treatment Brown Fused Alumina is calcined at a high temperature of 1050°C during the production process of the raw brown corundum, and then subjected to a bonfire treatment.

The Calcined with Medium High Temperature Treatment Brown Fused Alumina has the characteristics of very small expansion coefficient, excellent hydrophilicity, high toughness, and high strength, etc. The sintered abrasive tool produced has the characteristics of dark blue, no mesh crack, and no rust spot after firing. Improve the precision and grinding effect of grinding tools, especially for the production of high-grade fixed abrasive tools.

The advantages of Calcined Brown Fused Alumina in Medium Temperature
The medium-temperature calcined Brown Fused Alumina has the characteristics of very small expansion coefficient, excellent hydrophilicity, high toughness, and high strength, etc. The sintered abrasive tool produced has the characteristics of dark blue, no mesh crack, and no rust spot after firing. Improve the precision and grinding effect of grinding tools, especially for the production of high-grade fixed abrasive tools.



Why choose us?
1, high-quality grinding grade alumina
Workers hand-picked high-quality ground-grade alumina for smelting, with Al2O3 content as high as 85%, ensuring quality from the source!

2, secondary refining
All Brown Fused Alumina plus secondary refining for 3 hours outside the industry standard smelting time improves product quality!

3, strict classification
The smelted brown corundum blocks are graded manually by workers to ensure that each batch is a quality product!

4, high-strength magnetic separator
The industry is generally 2 5000 Gaussian magnetic separator, we use 5 13,000 Gaussian magnetic separator to remove ferrosilicon impurities!

5. Corporate strength
The company has operated more than 10 years and the factory has invested over 100 million yuan. Choose us equal to choose quality!

Crucible Furnace - The best Crucible Kilns from Luwei Crucible Furnaces.

Description of Crucible Furnace
Crucible Furnaces are one of the oldest and simplest types of melting furnace unit used in the foundry. The Crucible Furnaces uses a refractory crucible which contains the metal charge. The charge is heated via conduction of heat through the walls of the crucible. The heating fuel is typically coke, oil, gas or electricity. Crucible Furnaces are typically classified according to the method of removing the metal from the crucible.

Crucible Furnace is designed for easy maintenance and convenient operation. The efficient design allows for dependability and durability. Insulation aids in heating uniformity for precise, uniform temperature control which is required for today’s high-temperature processes. This unit automatically sets the PID values for your thermal process.



Features of Crucible Furnace
Electric Laboratory Glass Melting Crucible Furnace is mainly used in the high temperature fusion of block and powder materials to obtain a variety of new formulas and new materials for the performance test of new materials.

Calcined with High Temperature Treatment Brown Fused Alumina

High Temperature Calcined Treatment Brown Fused Alumina is calcined at the high temperature, and with the anneal treatment. Calcined with High Temperature Treatment Brown Fused Alumina is characterized by very low coefficient of linear expansion, very good hydrophilicity, good toughness and high hardness, producing the sintered grinding tools that is characterized by deep blue color after firing, without resillage, without rust and so on. So our this kind of product increase the precision and grinding ablity of the grinding tools in the using course.

The High-Temperature Calcined Brown Corundum is formed by high-temperature calcination of medium-temperature calcined abrasive during the production process of the original brown corundum, followed by high temperature calcination followed by bonfire treatment.

The main characteristics of High Temperature Calcined Treatment Brown Fused Alumina inclued this kind of Brown Fused Alumina is very small expansion coefficient, excellent hydrophilicity, great toughness, and high strength. The sintered abrasives produced have the characteristics of dark blue after burning, no network cracks and no rust. As a result, the accuracy and grinding effect of the grinding tools are improved, especially for the production of high-grade fixed abrasive tools.

Brown Fused Alumina by Barmac Crushing

Brown Fused Alumina is made of bauxite and coke (anthracite) as the main raw material, and is produced by high-temperature smelting in an electric arc furnace. Grinding tools made of it are suitable for grinding metals with high tensile resistance, such as various common steel materials. , malleable cast iron, hard bronze, etc., can also be made of advanced refractory materials.

Brown Fused Alumina by Barmac Crushing is processed through Barmac production line. It has the characteristics of high bulk density, high purity, dense texture, strong self-sharpening, good toughness, and extremely low magnetic material content. Sharp cutting, low heat generation rate, high grinding ratio, and less adhesion during use, the sintered abrasive tool has the characteristics of dark blue, no mesh cracks, and no rust spots after firing. After washing, the dust is reduced to Lowest, suitable for the manufacture of ceramics, resin high-consolidated abrasives and grinding, polishing, etc.

Brown Fused Alumina by Barmac Crushing Process: it is made of artificially selected brown corundum blocks and processed by means of rollers, ball mills, barmac, etc. The grain size is used by F8-F325. It is mainly used for polishing, grinding, industrial grinding, etc. The customer requires the processing of water washing, pickling and other methods to meet the different needs of customers.

Brown Fused Alumina by Barmac Crushing Specifications: After pre-furnace and special process re-treatment, reduce the residual carbon content of brown corundum so that the product does not powder, burst, toughness is the first choice for the abrasive abrasive industry, refractory industry raw material.

Brown Fused Alumina by Barmac Crushing Use: mainly used for ceramic abrasives, high-grade abrasives, organic abrasives, abrasive belts, coated abrasives and so on.

Brown Fused Alumina by Barmac Crushing Features: according to the residual carbon content is divided into: calcined corundum C ≤ 0.05%, low-carbon corundum C ≤ 0.10%, ordinary brown corundum C ≤ 0.15%. The common name is also known as corundum, which is a brown fused alumina produced by melting and reducing alumina, carbon, and iron scraps in an electric furnace.

Continuous Heating Furnace - The best Heating Kilns from Luwei Continuous Heating Furnaces

Description of Continuous Heating Furnace

Continuous Heating Furnaces are the right choice for processes with fixed cycle times such as drying or preheating, curing, aging, vulcanisation or degassing. The Continuous Heating Furnaces are available for various temperatures up to a maximum of 1400 °C. The Continuous Heating Furnace design depends on the required throughput, the process requirements for heat treatment and the required cycle time.

Continuous heat treating furnaces are efficient at treating large volumes of parts under the same conditions for a given time. Because changing variables such as times, temperatures and atmosphere can be difficult and expensive with continuous heat treating furnaces, they excel especially in situations where a large number of similar components require similar treatment.



Features of Continuous Heating Furnace

Roller Hearth Furnaces are designed to heat treat a wide variety of products economically with uniform, repeatable results. There’s a wide range of sizes of electric or fuel-fired heating systems with matched cooling sections and material handling systems. A Continuous Furnace is one whose conveyor runs at a constant speed, where the work is fed to match emerges in the desired condition.

Continuous Heating Furnaces are conveyed through preheatingcalcinating and cooling zones on rotating rollers and are placed on selters according to the shape and dimensions. Continuous Heating Furnaces are heated uniformly by the upper and lower heaters (electric resistance wiressilicon carbide(SIC) or silicon molybdenum rods(MoSi2)).Continuous Heating Furnace

Brown Fused Alumina by Ball Milling

The abrasive grains of Brown fused alumina ball milling is crashed by ball mill machine. The bulk density is lower than the Baramc grains. Brown fused alumina by ball milling is characterized by its high purity, strong self-sharpening, good toughness, ultra-low content of the magnetic materials. Brown Fused Alumina by Ball Milling can be made into grinding tools that is characterized by sharp grinding, low heat generation ratio, high grinding rate and few coating in the using course, and the sintering grinding tools that is cahracterized by deep blue color after firing, with out resillage,rust and so on.

Brown fused alumina ball milling is processed through a ball mill production line. Its packing density is lower than that of Bamak sand. The characteristics of Brown fused alumina ball milling are high purity, strong self-sharpening, good toughness, and extremely low magnetic material content. The grinding tool has sharp grinding, low heat generation rate, high grinding ratio, and less adhesion during use.

Brown fused alumina ball milling made of sintered abrasive has the characteristics of dark blue, no mesh crack and no rust after firing. After washing, the dust is extremely low. Brown fused alumina ball milling is suitable for the production of high-consolidation ceramics and resin abrasives, as well as grinding and polishing and so on.