The largest konjac quick-frozen processing warehouse in Liuyang, Hunan, with a single batch of quick-frozen capacity of 260 tons, will be officially put into use in July 2021. 4 sets of the largest screw HSK95103-320-38D quick-freezing equipment and 6 sets of HSK9593-280-38D quick-freezing equipment are adopted in BITZEL, which have a wide range of applicable conditions, common medium temperature/low temperature conditions and extremely high efficiency. The intelligent integrated module controls the adjustment of the cooling capacity of the slide valve, is convenient to use, has a large single cooling capacity, has a compact unit structure, has a heat recovery device and PLC intelligent control system, meets the dual working conditions and high capacity of users, and replaces the traditional multi-parallel screw units, effectively reduce equipment failure rate and reduce room area