Vertical industrial water chilling unit and vertical cooling water system thereof

The invention relates to the field of air conditioning systems, in particular to a vertical industrial water chilling unit and a vertical cooling water system thereof. The vertical cooling water system comprises a condenser, an electronic expansion valve, an evaporator and a compressor; a plurality of groups of condensers, electronic expansion valves and compressors are arranged; a plurality of groups of refrigerant pipelines are arranged in the evaporator; refrigerant pipelines in the condensers, the electronic expansion valves, the compressors and the evaporators are connected through refrigerant pipelines to form a plurality of refrigerant loops; a secondary refrigerant pipeline is arranged in the evaporator, and a secondary refrigerant in the secondary refrigerant pipeline and a refrigerant in the refrigerant pipeline can realize heat exchange; the evaporator is a vertical evaporator, the condensers are horizontal condensers, the multiple sets of condensers are arranged on one side of the evaporator in an