TECHNICAL SUPPORT
TECHNICAL SUPPORT
TECHNICAL SUPPORT
09-04

Why use nitrogen for selective wave soldering

The ultimate goal of all welding equipment or tools is to get better solder joints. Selective wave soldering is a high-precision end-to-point soldering method among all soldering methods; in order to increase the quality and reliability of solder joints. All selective welding equipment is added with nitrogen protection part. Nitrogen is an inert gas, which can improve the wetting ability of the welding surface of the component and the printed board, reduce the degree of oxidation, and accelerate the welding reaction speed. Compared with welding in an air environment, welding in a nitrogen environment can theoretically reduce the required welding temperature, reduce process defects, and form good solder joints.
07-24

What are the technical advantages of nitrogen generators in beverages?

The beverage nitrogen generator is based on the principle of pressure swing adsorption, using high-quality carbon molecular sieve as the adsorbent, and producing nitrogen from the air under a certain pressure. The purified and dried compressed air is subjected to pressure adsorption and decompression desorption in the adsorber. Due to the kinetic effect, the diffusion rate of oxygen in the micropores of the carbon molecular sieve is much greater than that of nitrogen. When the adsorption does not reach equilibrium, nitrogen is enriched in the gas phase to form finished nitrogen. Then the pressure is reduced to normal pressure, and the adsorbent desorbs the adsorbed oxygen and other impurities to realize regeneration. Generally, two adsorption towers are installed in the system. One tower absorbs nitrogen and the other tower desorption and regeneration. The PLC program is automatically controlled to make the two towers work alternately to achieve the purpose of continuous production of high-quality nitrogen.
07-22

Nitrogen generator device and how to maintain it daily

The nitrogen-making device uses an independent air source, namely an air compressor, as much as possible, and can also use its own air compressor station to provide compressed air, but it is necessary to ensure that the nitrogen-making system is supplied with sufficient air volume and relatively constant input pressure. If there are many points of use of the air source, the intake pressure of the system must be controlled to ensure normal and stable operation. Ensuring a stable intake pressure is a prerequisite for the normal operation of the nitrogen generation system.
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