浅谈数据中心热能回收利用

Heat Energy Recycling In Data Center

随着数据中心建设连续高速增长,数据中心的能耗问题越发突出。根据数据中心机房节能需求,提出了一种数据中心热能利用方案,该方案通过一台螺杆机组吸收数据中心冷冻水系统中的热量,并转移到另一幢办公楼中,为办公楼提供稳定可靠的热量。在转移热量的同时,螺杆机也作为冷冻水系统的散热器,降低了冷冻水系统离心主机的冷却能耗,提升了数据中心冷冻水系统的工作稳定性。并从送回水温度要求、故障切断功能、冷源侧水泵匹配、出水温度控制、分集水器要点、螺杆制冷机组设置等六个方面,论证了技术可行性。该运行方式在某类机房后期改造或前期设计阶段都具有参考借鉴意义。

With the continuous rapid growth of data center construction,the energy consumption problem of data centers has become more and more prominent.According to the energy-saving requirements of the data center,a data center heat utilization plan was proposed.The plan uses a screw water chiller to absorb the heat in the data center and transfer it to another office building to provide stable and reliable heat.While transferring heat,the screw water chiller also serves as the radiator of the centrifugal water chiller,reducing the cooling energy consumption of the centrifugal water chiller,and improving the working stability of the data center centrifugal water chiller.The technical feasibility was demonstrated from six aspects,including return water temperature requirements,fault cut-off function,cooling source side water pump matching,outlet water temperature control,key points of the manifold,and screw refrigeration unit settings.This operation mode is of reference significance in retrofit projects or early stage design of a certain type of data center.