Production Description:

The drawer-type box furnace is small in size, low in energy consumption, and lightweight. It uses high-quality resistance wire as the heating element and adopts a double-shell structure and an intelligent programmed temperature control system, integrating the control system and the furnace chamber. The furnace chamber is made of vacuum-formed high-purity alumina fiber material, assembled from multiple refractory fiber blocks, greatly avoiding the phenomenon of cracks caused by rapid cooling and heating. The control panel is equipped with an intelligent temperature controller, and the temperature measurement uses a stable-performance "K"-type thermocouple imported from WATLOW, USA.

Main Purposes And Scope Of Application:

This specialized equipment is designed for laboratories in universities, research institutes, and industrial and mining enterprises for sintering, melting, analyzing, testing, metal annealing, new material development, organic matter ashing, and quality inspection of metals, nonmetals, and other chemical and compound materials. It is also suitable for production and experiments in electronics, pharmaceuticals, and special materials.

Main Material Characteristics And Functions:

1.Overall Structure: The complete set of equipment consists of an electric furnace shell, furnace lining, furnace bottom plate, heating elements and accessories, furnace door and opening mechanism system, and temperature control system.

2.Furnace Shell: The steel frame is made of appropriately shaped, high-quality cold-rolled steel plates based on mechanical principles, processed through CNC laser cutting. All bent areas are free of welds, pores, slag inclusions, and other defects. The furnace exterior is straight, aesthetically pleasing, and free of wrinkles or unevenness. The furnace exterior is finished with a two-color imported epoxy powder electrostatic spraying process, with color selection following industry standards (or specified by the customer). Parts near the furnace door that come into contact with high temperatures are made of stainless steel. Heat dissipation protective covers are added to both sides of the furnace to keep the surface temperature rise of the furnace shell at ≤60℃.

3.The furnace chamber is entirely constructed using imported composite Morgan alumina fiber material through a unique CNC process, providing strong thermal shock resistance, resistance to rapid cooling and heating, good corrosion resistance, no collapse, no crystallization, no slagging, no pollution, and a long service life. This structure has low thermal conductivity, low heat fusion, excellent chemical stability, thermal stability, thermal shock resistance, excellent tensile strength, and corrosion resistance. The fiber can withstand temperatures of 1500℃. After the lining is completed, a layer of high-temperature curing agent is sprayed on the surface to form a thermal insulation wall, increasing the strength and thermal radiation performance of the lining surface, and further reducing heat loss in the lining, achieving rapid heating and maximizing the furnace's thermal efficiency, resulting in good energy-saving effects. The insulation material consists of a composite insulation layer made of high-alumina fiber super-hard boards, zirconia-containing high-alumina needle-punched blankets, and high-alumina refractory fiber products, providing excellent insulation performance. With a fixed furnace size, the furnace chamber volume is indirectly increased by 20%.

4.The heating elements use high-quality semi-exposed resistance wire, which has high radiation efficiency and good uniformity, enhancing heat exchange inside the furnace, improving the furnace's thermal efficiency, and extending the service life of the heating elements.

5.The opening direction of the furnace door can be customized, and the power is cut off when the door is opened.

6.A paperless recording device can be installed for data storage and output (optional).

7.Over-temperature alarm with power-off and leakage protection for safe and reliable operation.

8.Xiamen Yudian 518P digital temperature controller with intelligent PID adjustment, microcomputer control, and 30 programmable temperature control curves, allowing for unattended operation (fully automatic heating, cooling, and temperature maintenance).

9.All electronic components are from Delixi, and the thyristors are original equipment from Japan or Germany.

Technical Parameters:

1.Furnace Chamber Dimensions mm (Depth*Width*Height): 300*100*300;

2.Furnace Chamber Material: High-Purity Alumina;

3.Overall Dimensions: Manufactured to Actual Size;

4.Working Power Supply: AC220V;

5.Rated Power: Approximately 3KW;

6.Commonly Used Temperature: ≤550℃;

7.Design Temperature: 600℃;

8.Recommended Heating Rate: 1~20℃/min;

9.Temperature Control Mode: Intelligent PID adjustment, microcomputer control, 30 programmable temperature control curves, allowing for unattended operation (fully automatic heating, cooling, and temperature maintenance);

10.Temperature Control Accuracy: ±1℃;

11.Heating Element: High-Quality Resistance Wire;

12.Temperature Measurement Element: "K"-Type thermocouple imported from the USA;

13.Special Technical Requirements: The furnace door structure is drawer-type, with the drawer rod and fixed bracket made of 310S high-temperature resistant stainless steel.

Note: Customized furnace chamber sizes are available. Please specify any other special requirements when ordering.

Experimental Furnace from Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences - Quality Advantages:

 1. Furnace Shell And Chamber

① Double-layer high-quality carbon steel plate with a rust-resistant and high-temperature resistant painted surface.

② Aesthetically pleasing and energy-efficient high-temperature furnace chamber made of poly-crystalline alumina fibers.

2. Electrical Components And Temperature Control

① All electronic components are sourced from Delixi, with thyristors being original equipment from Japan or Germany.

② For safe and efficient operation, an imported all-copper isolated transformer is used.

③ Temperature control and detection are fully implemented using:Single platinum-rhodium (Type S) thermocouples for temperatures up to 1500℃; Double platinum-rhodium (Type B) thermocouples for temperatures up to 1800℃.

 3. Research Team

Experienced senior engineers, holding master's and doctoral degrees in engineering from the Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, are available to assist your company or research institute in selecting the appropriate experimental furnace. Our senior designers can also collaborate with you to develop a customized high-temperature furnace design plan.