A片夜夜爽爽喷水视频免费看,丝袜人妻被粗大爽ⅩXoo视频,精品美女视频在线观看免费软件,日产无码一区二区三区,黑人强开小娟嫩苞视频

摘  要   通過(guò)對某公司辦公區中央空調系統運行現狀及存在問(wèn)題的分析，提出其冷源系統夏季運行的節能策略，設計了冷媒
水和冷卻水系統實(shí)施變頻改造的方案，經(jīng)效益分析，每年可節省運行費用15萬(wàn)元。
關(guān)鍵詞   冷熱源   冷媒水   冷卻水   變頻   節能
 
THE REFORM OF COLD/HEAT SOURCE OF   CENTRAL
AIR-CONDITIONING OF A COMPANY IN OFFICE DISTRICT
Zhang Qunjie
(Petrochina Dalian Petrochemical Company,Dalian 116032)
 
Abstract   By  analysing the system operation status and  problems of the cold/heat source of central air-
conditioning system of a company office district , give  a energy consumption strategy in summer and design a
frequency conversion plan for chill water and cooling water system.By    analysing the operation benefit, it can save
operation cost $150,000.
Keywords   cold/heat source  chill water   cooling water   frequency conversion  energy consumption