在医药生产场景里，冷冻机配套的横流Square Cooling Tower早已不是单纯的“散热配角”。2026年以来，随着新版医药工业暖通规范落地，冷却塔验收不再只看冷却效率，水质洁净、无二次污染成了硬性准入门槛。
以往不少医药项目选用通用开式冷却塔，运行半年就出现填料积尘、水质滋生微生物的问题，直接影响冷冻机换热效率，甚至给药品生产带来洁净隐患。如今行业验收明确要求，横流Square Cooling Tower的涉水部件必须提供环保检测报告，散热填料禁止添加不可降解的有毒阻燃材料，飘水率严格控制在0.01%以下，避免水雾携带杂质进入周边洁净车间。
从进场开箱核验Material报告，到安装阶段检查管路密封等级，再到带载运行后连续72小时监测出水悬浮物指标，医药行业的冷却塔验收流程正在倒逼整个行业向“精细化适配”转型。不少头部厂商开始推出医药专属定制款，塔体采用无缝密封结构，进风口加装防尘过滤棉，配合自清洁填料设计，从源头杜绝积垢、堵塞、水质污染等传统痛点。
这种变化也印证了一个趋势：冷却塔行业的竞争早已跳出“比吨数、拼低价”的初级阶段，针对细分行业的场景化定制能力，才是未来拉开差距的核心壁垒。
Written by: Zhongliang Yiji Technical Department · 15 Years of Cooling Tower Selection Experience | Last Updated：2026-10-16
FAQ
How to choose between a closed-circuit and an open cooling tower?
For working conditions that demand clean water (such as vacuum furnaces, high-frequency furnaces, and injection machine hydraulic oil cooling), a closed-circuit tower is preferred: the cooled medium circulates inside the coil without direct contact with air, so it resists scaling, algae and particle contamination, with stable heat transfer and low maintenance. For ordinary recirculating water scenarios with tight water budgets or cost sensitivity, an open tower costs less upfront but requires supporting water treatment.
What are the footprint and connections of a 100 t closed-circuit cooling tower?
Taking a standard 100 m3/h closed-circuit tower as an example: overall dimensions are approximately 3500 x 1500 x 2800 mm with a footprint of about 5.25 m2; inlet and outlet piping is typically DN100, with a 5-10 C temperature drop under standard conditions. Refer to the product specification table for details; non-standard dimensions can be customised on site.
How do I size the pump and head for a cooling tower?
Pump flow is selected according to the rated circulating water volume of the cooling tower; head must account for pipeline friction losses, local resistance, equipment elevation difference and the necessary margin. Pressure-bearing equipment such as injection machines also requires reserve for the working pressure. It is recommended to hand the operating data (flow, temperature difference, installation height, pipe diameter and length) to technical staff for calculation, to avoid an undersized pump or excessive head that wastes energy.
What water treatment does a closed-circuit cooling tower need?
The outer circulating water of a closed-circuit tower still contacts air, so softened make-up water, periodic corrosion and scale inhibitor dosing, and control of the concentration ratio are recommended. The inner circulating medium should be softened water, antifreeze or pure water according to process requirements; outdoor installation in winter requires freeze protection (electric tracing or draining).
