How to achieve sample heating or cooling temperature between -100 ° C and 1100 ° C, how to ensure accurate temperature control? High temperature oil bath? Salt bath? Can't do it. The pioneer of sand bath technology development, British brand BIBBY brand TECHNE calibration, tells you how to solve this problem perfectly.
Techne has more than 50 years of experience in temperature control and has built a complete temperature control system. As the world's leading designer and manufacturer of laboratory and factory temperature calibration equipment, Techne provides calibration engineers with an accurate source of dynamic, stable temperature. Techne's range of sand bath products can cover applications ranging from -100 ° C to 1100 ° C. It is ideal for heat treatment because it maintains excellent temperature stability and uniformity at extremely high temperatures and ensures precise temperature. select.
Techne's exclusive fluidized sand baths fall into two categories: precision temperature control and cleaning. Only the precise temperature control type is introduced here. The whole system consists of sand bath, thermostat and vacuum pump. The sand bath container is filled with dry and inert aluminum oxide particles which, when passed through the chamber, are suspended in the gas stream and appear like a boiling liquid. In addition to having recyclable and flowable liquid characteristics, the alumina particles exhibit excellent heat transfer characteristics. When the particles are heated, the heat is quickly and evenly transferred to various parts of the chamber, and the heated sample is quickly immersed in the bathtub, thereby achieving a treatment effect that is otherwise impossible. The sand bath can also be easily adjusted to the temperature point you want.
In the temperature control range, the aluminum oxide does not melt (melting point 2045oC) or reach boiling (boiling point 2980oC). Therefore, the occurrence of smoke such as a salt bath (melting point 801 ° C, boiling point 1442 ° C) and a high temperature oil bath (generally below 300 ° C) are avoided. Therefore, the sand bath is dry and inert, the medium is safe and clean; the sand bath can replace the traditional liquid bath and salt bath when the temperature of the sample is commonly used in the laboratory; when the traditional liquid bath and salt bath can not reach the limit temperature, TECHNE's sand bath fluidization tanks provide the perfect solution and precise temperature control. This program has become very popular in Europe and the United States.
High temperature uniformity is a highlight of this device, known as the temperature uniform master, which is a temperature uniformity test at a direct user site.
Test equipment: Sand bath FB-08, with two 162CE SPRT's temperature probes, inserted into the chamber for 9 inches for temperature testing.
Test conditions: SPRT 's temperature probes are 4 cm apart and spaced 1.25 cm from the edge. Inlet pressure = 60 PSI. At 500 ° C, the flow meter shows an air flow of 10 LPM.
Test results: Stable at the set temperature for 30 min, the temperature stability measured for 1 hour is +/-0.191 ° C.; After 1 hour, the temperature uniformity of the two temperature probes is 0.10 ° C
The Techne sand bath fluidization tank is especially suitable for metal processing (such as Nitinol, Platinum Metal), printed circuit board and other industries, mainly quality control of materials and components, and is a powerful equipment for calibration laboratories and heat treatment production departments. Provides fast heat transfer and precise temperature control for greater efficiency and safety in calibrating and maintaining temperature sensitive instruments. Nitinol metal heat treatment is a relatively new application and is mainly used to manufacture stents for angioplasty. In the past five years, nearly 100 companies have adopted it.
Some typical customers of the TECHNE sand bath fluidization tank:
Germany: Degussa Chemical Co., Ltd., Mepro, Angiomed GmbH & Co., CR Bard...
United States: Norman Noble, EV-3, Accellent Cardiology, Emphasys Medical Inc, GI Dynamics...
Even airline customers, including Rolls-Royce Airways and the Royal Air Force, are our users.
(The above picture is taken at the site of a customer's equipment. This customer has 3 sets, the rack to be treated is heated at 500 °C for a few minutes and then quenched in water.
They have replaced the salt bath with a sand bath. )
Attached: British Techne sand bath fluidized bed advantages:
• Al2O3 is used as the temperature transmission medium (included in the standard), inert, dry powder, non-toxic, non-corrosive, non-flammable • no angular edges will not wear the surface of the sample • will not react with the sample to produce toxic gases • It does not produce surface tension like a water bath, does not wet the sample, and does not conduct electricity. It is safer and more reliable than the oil bath by circulating hot air through a vacuum pump.
About the language and the British Bibby / Germany ART / Germany CAT:
Guangzhou Special Instrument Technology Co., Ltd. specializes in general instruments such as laboratory sample preparation such as agitator/dispersive emulsifier, analytical instruments such as melting point/photometer, and life science instruments such as PCR. As the first generation of Bibby in South China, Guangdong, Guangxi, Sichuan, Chongqing, Yunnan, Hainan, Guizhou and Tibet are our services. The company is also the German ART, the first generation of German CAT in China.
British BIBBY was founded in the 1950s as one of the UK's largest manufacturers of laboratory scientific instruments and instruments, one of the world's most extensive range of laboratory instrument manufacturers, offering high quality and high quality products to the world. Known for operational performance. It has four sub-brands: Stuart, Techne, Jenway, Electrothermal.
ï¬ Stuart: Specialized laboratory instruments such as sample pretreatment, including: colony counter, melting point meter, agitator, mixer, shaker, pure water distiller series;
ï¬ Techne: Focus on molecular biology research equipment (gene amplification equipment and hybridization boxes), as well as temperature control product lines (including water baths and dry baths);
ï¬ Jenway: an expert in analytical instruments such as UV/Spectrophotometer, Flame Photometer, and Colorimeter;
ï¬ Electrothermal: As a new member of BIBBY with more than 70 years of history, the world's leading scientific instrument provider provides electric heating sets, parallel reaction equipment, Kjeldahl nitrogen equipment, and electronic Bunsen burner series. Its parallel reaction workstation is the global market leader.
Founded in the last century, Germany ART is the most professional dispersing emulsifier in Germany and the world. Its top-grade dispersing emulsified products range from laboratory instruments to pilot products to industrial equipment. There are many types of dispersing heads to meet customers' various needs. The application fields cover chemical, cosmetic, pharmaceutical, food, environmental protection and other fields.
Founded in the 1950s, CAT Germany is one of the experts in German sample preparation instruments. Its agitator, from hand-held, teaching, to scientific research, high-viscosity type, is the representative product line of CAT; nowadays it is from ordinary electronic motor to brushless motor, product miniaturization, leading the development of agitator trend.
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