本算法对于石油、化工、电力等行业的管路系统设计或用于老厂挖潜改造管路系统设计都具有一定的理论和实用价值。
Therefore, it has both theoretic and practical value to the designing of a new piping system and the rebuilding of an old one in petroleum, chemical and electric power industries.
介绍了引进硫酸精制装置中玻璃管路密封件以及高压柱塞泵密封结构的改造。
The transformation on sealing components of glass pipeline in import sulphuric acid refine device from abroad and sealing structures of the imported high pressure plunger pump is introduced.
列举了工厂技术改造实例，详细说明了用波纹管技术可有效解决压缩机组管路法兰泄漏问题。
Examples of technical improvement are listed. Pipeline flange leakage of compressor unit can be effectively solved by bellows technology is described in detail.
压缩机节能改造不仅要满足管路系统流量、压头的需要，在确定降速幅度时还要进行喘振的校核。
Energy saving of centrifugal compressor not only satisfies the flux and pressure of pipeline system, but also verifies vibration when choosing the extent of lowering speed.
并研究了充填材料的基本性质，充填材料的配比实验和力学实验。(4)管路存在的问题及改造方案。
The basic character, proportion and mechanics tests of filling material are studied too. 4 Problems and alternation schemes of pipeline are studied.
本文介绍了工艺线特种工艺气体系统改造设计方面的一些原则，并详细论述了管路的施工规程。
Some design principles for rebuilding the special gases system of a wafer fab are described. Engineering regulations for rebuilding the tubing system are discussed in detail.
其次，文章以实船“艾丁湖”为模拟改造对象，论证了当该轮采用加热法处理压载水时的压载水系统和冷却水系统管路改造的可行性。
Thirdly, the paper makes "Adin Lake" ship as the reconstructive object and analyzes the feasibility of rebuilding the pipeline of ballast water system and cooling water system.
本文对改造前后的阻损进行了定量计算，指出了大流量系统中管路设计应尽可能降低阻损。
In this paper, the head loss before and after modification were quantitatively calculated, and the view that in the large flow pipe system, the head loss must designed as possible as lower.
通过对机械部件、水气管路、电气及热工控制系统等几个方面进行改造和调整，将原来用于斜交轮胎硫化生产的LLB 152 5型轮胎双模定型硫化机用于全钢子午线轮胎的硫化。
The LLB 1525 double bias tire press was transformed into the all steel radial tire press by modifying its mechanical parts, water and steam pipelines, electrical and heating control systems.
本文对改造前后的阻损进行了定量计算，指出了大流量系统中管路设计应尽可能降低阻损。
In this paper, the head loss before and after modification were quantitatively calculated, and the view that in the large flow pipe system, the head...
本文对改造前后的阻损进行了定量计算，指出了大流量系统中管路设计应尽可能降低阻损。
In this paper, the head loss before and after modification were quantitatively calculated, and the view that in the large flow pipe system, the head...
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