Central Research Assistance – Paper Reward Program

Central Research Assistance – Paper Reward Program

为推动高校、科研院所、企业实验检测的科研人员，我公司仪器开展科学研究和技术创新，本着助力科技腾飞的思想，天津中环电炉面向广大用户举办科研助力计划。

24

2020

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04

Detailed Explanation of Several Major Advantages of High-Temperature Vacuum-Atmosphere Tube Furnaces Made of Stainless Steel

Detailed Explanation of Several Major Advantages of High-Temperature Vacuum-Atmosphere Tube Furnaces Made of Stainless Steel

I. Practical Structural Design 1. Furnace Chamber: The furnace chamber is divided into upper and lower sections. To facilitate the loading, unloading, and observation of experimental samples, the upper section is specially designed to tilt backward as a whole by 110°. The use of high-quality polycrystalline mullite fiber vacuum-suction-formed lining material achieves a 50% energy-saving effect. In addition, the electric heating elements are made from high-resistance, premium alloy wire.

07

2020

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01

The Role of the Vacuum Molecular Pump in a Vacuum-Atmosphere Experimental Electric Furnace

The Role of the Vacuum Molecular Pump in a Vacuum-Atmosphere Experimental Electric Furnace

10

2019

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12

Beyond-Imaginative 3D Ceramic Printing Technology

Beyond-Imaginative 3D Ceramic Printing Technology

3D Ceramic Printing Technology Specialty ceramics, with their outstanding properties such as high wear resistance, corrosion resistance, high-temperature resistance, and oxidation resistance, are increasingly being adopted as cost-effective alternatives and driving technological upgrades across a wide range of industries, including chemical processing, metallurgy, and electronics. However, due to their extreme hardness, specialty ceramics pose significant challenges in subsequent machining operations. Consequently, the ability to produce complex-shaped components in a single forming step—thereby reducing post-processing costs—has become a critical factor in expanding the application of specialty ceramics.

26

2019

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11

Instructions for Use and Precautions for Vacuum Drying Ovens

Instructions for Use and Precautions for Vacuum Drying Ovens

20

2019

/

11

The Importance of Daily Maintenance of Quartz Tubes in the Operation of High-Temperature Tube Furnaces

The Importance of Daily Maintenance of Quartz Tubes in the Operation of High-Temperature Tube Furnaces

The temperature resistance of a quartz tube is directly related to its purity: the higher the purity, the greater the temperature resistance. Tube furnaces are an excellent choice for dynamic sintering applications in laboratories. The quartz tube, as a critical component of the tube furnace, plays an indispensable role. Outstanding firing performance, a modern aesthetic design, and high reliability are the hallmarks of this type of electric furnace. The furnace features a split-design chamber, facilitating easy replacement of the heating tube while ensuring safety, reliability, energy efficiency, and environmental friendliness.

11

2019

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11

New Ultra-High-Temperature 1800°C Box-Type Electric Furnace Now Available

New Ultra-High-Temperature 1800°C Box-Type Electric Furnace Now Available

The 1800°C high-temperature energy-saving box-type resistance furnace series includes two models: the SX-G03183 benchtop model and the SX-G18183 upright model. These furnaces are energy-efficient, environmentally friendly, highly safe to operate, and feature a well-designed, user-friendly structure.

29

2019

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10

Structural Features of High-Temperature Tube Furnaces

Structural Features of High-Temperature Tube Furnaces

I. Appearance 1.1. Materials: The chamber is fabricated from cold-rolled steel sheet through precision machining on CNC equipment, with the exterior surface subjected to high-temperature oxidation treatment, resulting in an aesthetically pleasing, elegant appearance and harmonious color scheme. 1.2. Door Opening Method: Top-opening design, suitable for a wide range of experiments, such as calcination. 1.3. Structure: Features a double-walled furnace shell with a fan installed between the two layers, enabling rapid heating and cooling while maintaining a low outer-shell temperature. II. Electrical Components 2.1. Thermocouples: Utilize nationally standardized precious-metal thermocouple wires as raw materials, ensuring accurate and stable temperature measurement. Thermocouples are matched to the selected furnace temperature: Type K (0–1200°C), Type S (0–1600°C), and Type B (0–1820°C). 2.2. Temperature Controller: Employs a fully intelligent, Taiwan-made PID controller with either 16 or 32 control segments. The controller features a dual-line LED display and is primarily used for precise temperature control, offering rapid response and programmable automatic heating, holding, and cooling profiles across 16 or 32 segments. It supports unattended operation, incorporates PID control, includes deviation monitoring, and provides over-temperature power-off alarms, thereby ensuring consistency and reproducibility in any experiment. The unit also boasts automatic constant-temperature and time-control functions, along with a secondary over-temperature automatic protection feature, guaranteeing reliable control and safe operation. 2.3. Electrical Components: Adopts nationally standardized electrical components, including phase-shift triggering and thyristor control, assembled into an intelligent electrical system specifically matched to the furnace. This configuration offers long service life, excellent shock resistance, safety, and quiet operation, effectively replacing outdated relay-based circuits. 2.4. Transformer: Equipped with a fully isolated, silent copper-wire transformer that generates minimal noise, produces little heat, and features a high safety factor (provided for silicon-molybdenum rod furnaces and molybdenum wire furnaces). III. Furnace Chamber 3.1. Inner Wall: Constructed from high-temperature fiberboard or high-temperature refractory bricks, carefully assembled in multiple layers. The inner wall exhibits exceptional resistance to high temperatures, acids, alkalis, and oxidation, is highly crack-resistant, has a long service life, low thermal conductivity, and energy-saving performance. Its unique design ensures durability, prevents collapse, and allows selection of appropriate refractory materials based on furnace temperature. 3.2. Intermediate Insulation Layer: Uses ceramic fiber insulation materials such as ordinary alumina, high-alumina, and zirconia-containing high-alumina, which offer excellent high-temperature resistance, low thermal conductivity, and zero pollution (insulation material selected according to operating temperature). 3.3. Outer Insulation Layer: Composed of high-temperature felt or nano-fiber board (insulation material chosen based on operating temperature).

05

2019

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08

Introduction to the Principle and Functions of a High-Temperature Contact Angle Tester

Introduction to the Principle and Functions of a High-Temperature Contact Angle Tester

The high-temperature contact angle tester is used to measure the contact angle of liquids on solid surfaces at elevated temperatures; specifically, it determines the wettability of a liquid on a solid by measuring the magnitude of the high-temperature contact angle formed at the three-phase boundary between the liquid, solid, and gas. It is widely employed in testing and research across fields such as silicon wafers, liquid crystals, glass, fibers, synthetic materials, inks, coatings, and agrochemicals. The high-temperature contact angle tester operates by depositing a droplet onto a horizontal solid surface; the contact angle is defined as the angle formed at the three-phase junction where the gas–liquid interface and the solid–liquid interface meet, with the liquid phase enclosed between these two tangents. TA-Z16B01

29

2019

/

07

What are the factors that affect the efficiency of a high-temperature muffle electric furnace?

What are the factors that affect the efficiency of a high-temperature muffle electric furnace?

Numerous factors influence the performance of high-temperature muffle electric furnaces, directly affecting the operational efficiency of both high-temperature and muffle furnaces. The furnace design and configuration play a crucial role in determining the efficiency of electric furnaces. 1. Furnace designs for both high-temperature and muffle furnaces are trending toward larger sizes, multi-zone configurations, mechanization, and automation. To enhance heat supply and increase production, large-scale heating furnaces with five, six, or even eight heating zones have emerged; moreover, as the temperature in the preheating zone rises, it has itself become an additional heating zone. The arrangement of burners has also undergone significant changes—for example, the adoption of co-current and counter-current burners for simultaneous top-and-bottom heating; in uniform-heating furnaces, flat-flame burners are now commonly installed at the furnace roof, and some furnace designs have even evolved to feature a fully flat roof throughout the entire length, with all burners mounted on the roof.

24

2019

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07

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