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均安节能工程

作者:197g49 时间:2024-04-14 23:17:48

均安节能工程,公司以科学管理,精心组织、严格施工、优质服务为宗旨,努力向更高的企业目标迈进,以诚信、品质构筑成龙公司更加美好的明天。

如果你急需且处于高烧状态,小雷认为好的选择是前往近的发热门诊,一般而言如布洛芬等常规退烧药还是可以提供的,速度也会比互助平台要更快一些。如果是低烧等状态,对退烧药的需求并不急迫,或是所需要的发热门诊已经没有存货,如,那么就可以考虑互助平台,同时在社交圈和社交平台发布求助信息,多渠道求助。除了可以发布求助信息,如果你手上有多余的,可以在另一个模块发布互助信息,列出自己能够提供的数量、品种,有需求的病人可以直接到互助人,相较于“守株待兔”式的求助模块,互助模块的响应一般会快很多。不过,互助模块中的主要以抗原和布洛芬、对乙酰氨基酚为主,基本没有看到其他的。

整体而言,考虑到互助平台的公告栏式使用方式,其实并不适合有急迫需求的用户求助使用。作为一个互助平台,首先需要考虑的就是如何尽可能的多覆盖用户群体,从求助信息发布模块来看,这一点做得还算不错。首先是考虑到求助人不一定了解各种症状对应的,在发布求助信息的一栏里已经预先根据症状提供了对应的选择。

Abstract:HVACs of a commercial building, air conditioning area of which is 88,100 m2, in Beijing is diagnosed and improved. Rated capacity of water chiller units is 5757RT, which is 1.7 to 2.5 times the actual cooling demands. This leads to problems of high initial investment, low load ratio of chillers and low efficiencies of pumps. For the existing HVACs, the efficiency of chiller plants, chilled water pumps and cooling water pumps are around 3.1, 23.05 and 13.75, respectively, which are much lower than the energy saving standards of HVACs. Based on cooling load calculation and pressure drop analysis of chilled water loops, it is decided to combine air conditioning systems of east and west parts of this building. Based on this, total rated capacity of chiller units is reduced and operating strategies under different load ratio are proed. Besides, the original two-stage chilled water pumps system is transformed to be single stage system. These strategies can effectively increase COP of chillers and transportation coefficient of chilled water pumps. When load ratio is in the range of 10 % to 100 %, COP of chillers is increased to be over 5.5. When energy consumption of pumps is taken into consideration, efficiency of chiller plants is enhanced from 3.1 to 4.0. This commission case provides guidance for energy saving diagnosis and transformation of existing commercial buildings that have similar problems.

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