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1.Takes several energy saving measures for air conditioning system, nick a large capacity centrifugal chillers working with variable frequency nil capacity chillers, variable frequency and variable flow control on secondary pump water systems, cooling tower for four-pipe water system in winter, fan-coil unit for commercial peripheral zones aid all-air systems for interior zones, variable frequency control on supply and exhaust air fain, enthalpy control on fresh air cooling in winter and intermediate season.
采用了多项空调节能措施:大冷量离心冷水机组搭配变频小冷量机组,二次泵变频变流量空调水系统,四管制风机盘管冬季用冷却塔换冷供冷设计,商业外区风机盘管、内区全空气空调系统,送风机风机变频控制,过渡季、冬季利用室外新风通风降温的焓值控制设计。收藏指正
2.Tests the operation status of an air-cooled heat pump air conditioner under defrosting conditions, and records the evaporation temperature and exhaust fan current at different voltages.
摘要实验测定了一台空气源热泵空调机组除霜工况下的运行状况,记录了蒸发温度和不同电压下的风机电流。收藏指正
3.The results show that the exhaust fan current increases with frosting enhancement, while the increasing speed gets slower in the end of frosting, and the curves of current are slightly different at different voltages; that the evaporation temperature decreases with frosting enhancement, and the decreasing speed becomes increasingly faster; and that misoperation of defrosting can be avoided by using the intelligent defrosting control method based on exhaust fan current combined with evaporation temperature presented according to the experimental results.
结果表明,风机电流随结霜厚度的增加而增大,增加速率在结霜后期趋缓,不同电压下电流变化曲线略有不同;蒸发温度随结霜厚度的增加而降低,下降速度越来越快;使用根据实验结果提出的基于风机电流和蒸发温度联合控制的智能除霜方法可以基本避免误除霜动作。收藏指正
4.This factory founds in 2000, is a specialized production dischargesfume the air blower, the interflow air blower, the centrifugal airblower, the axis customs handed down from past generation machine, andso on each kind of air blower specialized factory.
本厂创建于2000年,是一家专业生产风机、混流风机、离心风机、轴流风机、等各类风机的专业厂家。收藏指正
5.The main series products of the company are as followings: marine blower fans, induced draft fans, high temperature smoke discharge fans, air-conditioned blower fans and smoke emission valve.
公司主要产品:舰船用通风机系列、鼓引风机系列、高温风机系列、空调通风机及防烟阀门等。收藏指正
6.The control velocity over liquid level, face velocity and vapour extraction efficiency have been measured respectively in condition of different hood heights and fan speeds for both the complex and ordinary vapour hoods.
对复合式和普通式风罩,在不同罩口高度和风机转速条件下,分别测定了液面控制速度、罩口吸气速度和雾效率。收藏指正
7.Presents the air conditioning system and smoke exhaust system design of this project, applies the primary air fan coil system and secondary pump water system in the Top Electronics City.
摘要简要介绍了鼎好电子商城空调系统和防烟系统的设计,商城采用了风机盘管加新风空调系统和二次泵空调水系统。收藏指正
8.Application of Model DFC -1Exhaust Contra -rotating Auxiliary Fan in Gas Discharge in Return Airway
FDC-1型抽出式对旋局部通风机在回风巷瓦斯抽中的应用收藏指正
9.1 The laboratory exhaust system includes exhaust duct works, exhaust fan, laboratory fume hood exhaust, laboratory canopy hood and cabinets needed venting.
实验室气系统包括气管路、风机、实验室通风柜管道、实验室风罩和特殊存储柜的气管道。收藏指正
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