Heat exchanger splicing, should meet the following requirements:
a, butt joint welding process should be assessed. Number of specimen number, size, test methods according to the provisions of JB 4708; aluminum, copper, titanium welded joints or the reference implementation;
b, with a heat exchanger tube butt weld, not more than one straight; U-shaped tube not more than two; the shortest tube length not less than 300mm; including at least 50mm of straight pipe U-bend pipe welding splicing within the prohibited joints;
c, groove pipe end should be processed by mechanical methods, should be cleaned before welding;
d, corresponding amount of the wrong side of the wall thickness should not exceed 15% of tubes, and not greater than 0.5mm; straightness deviation will not affect the smooth tube wear limit;
e, the table should be selected after docking the diameter of the welding head to pass the ball checks to the ball by qualified;
More Information at Weihai Huanyu Chemical Machinery Heat Exchanger
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Keywords: reactor, heat exchanger, pressure vessel
As a matter of fact, the ultrasonic crusher is sometimes called as the ultrasonic cell grinder that is a use of strong ultrasonic cavitation generated in the liquid. See here: www.toption-china.com/products/ultrasonic-cell-crusher-ordinary-type .Meanwhile, this may be multifunctional ultrasonic treatment.
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