Construction Scheme and Technical Characteristics of Air-pressure Balance Long-distance Steel Pipe Jacking 气压平衡长距离钢管顶管施工方案及技术特点
The Application Technology of Slurry Balance Pipe Jacking Equipments in Underground Pipeline Construction 地下管线施工中的泥水平衡顶管设备应用技巧
This paper mainly expounds problems paid attention to in plaster balance top pipe construction technology. 文章对泥水平衡法顶管施工工艺中应该注意的几个问题作了主要阐述。
Incremental harmonic balance method is applied to geometrically nonlinear vibration analysis of the simply supported pipe conveying fluid. 将增量谐波平衡法推广至分析输液管的非线性振动问题,研究了输液管的幅频曲线特性。
Reciprocating pump is one of the main equipments to acquire vaccum. Balance pipe is its important part, it largely affects the working efficiency and energy consumption of vacuum pump. Its flow is very complicated. 往复式真空泵是获得真空的主要设备之一,平衡通道是它的很重要组成部分,它对真空泵的工作效率和能量消耗有很大影响,且流动复杂,以前对它的设计都采用经验的方法。
Based on the balance of energy, the mathematic model of soil cool thermal storage and release process of inner and outer pipe in the buried pipe bundle was established. 并在能量平衡的基础上,建立了埋管管束内层及外层盘管蓄冷、释冷过程的数学模型。
It has many effects such as absorption heat carrier expanded quantity, balance the heat carrier pipe system, exiting gas, discharging water, preventing the heat carrier from oxidation and deteriorated, safety make-up oil. 它可以吸收热媒膨胀量,平衡热媒管系、排气、排水,防止热媒氧化劣化,并可安全补油。
The Influence of Balance Valve on Action of Regulating Valve in Pipe Network 管网系统中平衡阀对调节阀调节作用的影响
Incremental Harmonic Balance Method for Nonlinear Vibration of Pipe Conveying Fluid 增量谐波平衡法用于输液管的非线性振动分析
Balance valves are generally installed in pipe network in order to resolve the hydraulic imbalance. 在处理管网系统水力失调问题时,通常加装平衡阀。
At a certain temperature, a dynamic balance of absorption-desorption of the absorbed gaseous Hg would lie in silica-gel pipe. 在一定的温度下,硅胶管存在一个管内吸附汞与通过其中的气体中汞的释放和吸附的动平衡;
Application of turbid balance engineering technique of top pipe in limber pipe project 泥水平衡顶管施工技术在排污管道工程中的应用
Based on the meterial and heat balance calculation of single pipe reactor technology, some problems resulting in high ammonia consumption are exposed in the DAP plant. 对单管反应器工艺技术的装置系统进行物料平衡、热量平衡分析,从中发现装置存在的一些工艺问题,导致DAP产品的氨耗偏高。
The packer efficiently solve the problems with the key technologies of anchor system, including brittle clip anti-breaking releasing, anti-rotating of drilled target, balance protection for unexpected packer releasing, and central pipe controlling on-off connecting. 解决了锚定机构中脆性卡瓦防断回收解卡、钻磨防转、防解封平衡保护、中心管控制脱接等关键技术。
Introduction was given to the calculation method for balance of pressure drop of each branch in siphon rainwater drainage system and the solving measures in designing the connection of rainwater hopper with different height into the same vertical pipe. Some finite conditions were also analyzed and discussed. 介绍了虹吸式雨水排水系统的各支管阻力降平衡和不同高度雨水斗接入同一立管的计算方法,并对有关限定条件进行了分析和讨论。
Experiments were conducted aiming at controlling balance bed height of catalyst and at studying characteristics of catalyst transportation in the stand pipe. 对催化裂化装置中,垂直立管中催化剂料层高度的变化对立管中催化剂的输送操作及料封的影响进行了考察。
Based on heat convection and conduction theory, energy balance equations, and IGSHPA method, develops a concise algorithm model for the design of buried vertical pipe heat exchangers. 根据对流换热、导热理论和能量平衡方程,在借鉴IGSHPA模型方法的基础上,得出了地埋管换热系统设计的简明算法模型。
Based on the energy balance equations, the mathematic model for the inner and outer pipe in the vertical U tube bundles under heat extracting operation condition in winter is established. 本文通过理论分析,在能量平衡方程的基础上建立了土壤蓄冷与土壤耦合热泵集成系统地下垂直U型埋管换热器管束内、外层盘管在冬季取热工况的数学模型。
Discusses the feature of balance valves, considers that balance valves should be used in place of the orifice, gate valves and stop valves in order to improve regulating function of liquid pipe. 分析了平衡阀的特点,认为为改善液体管路系统的调节功能,用平衡阀取代截流孔板、闸阀及截止阀势在必行。
This paper presents the work principles? methods and precedures of water balance test methods and introduces the application of tracking down a leak out of the pipe net of water supple with water quantity balance test methods in Fujin City. 阐述了水量平衡测试法的工作原理、方法、步骤,介绍了水量平衡测试法在富锦市供水管网检漏中的应用。
Saving Energy from Buildings and Balance Technology of Water Force of a Pipe Web 建筑节能与管网水力平衡技术
By solving the model, optimum open degree is attained to balance the pressure of water supply network and abate the probability of leakage loss and pipe burst, availably maintaining water supply safety. 通过求解上述模型,得到管网中各自控阀的最优开启度,从而均衡管网压力,减少管网漏损及发生爆管的几率,有效维护管网的供水安全。
NEW AIR Hydraulic Balance and Gas Discharged of the Hot-water Heating Pipe Net System 热水供暖管网的水力平衡及空气排出
Hydraulic Balance Analysis of Two-pipe Heating System 双-双管室内供暖系统水力平衡性分析
And the building envelope for energy saving of the user, hydraulic balance before and after the transformation were compared, found that after transformation, hydraulic imbalance is more serious, so with building envelope renovation, the pipe should also be followed for energy saving. 而将围护结构进行节能改造的用户的水力平衡度进行改造前后对比,发现改造后的水力失调更加严重,因此围护结构改造后,要达到真正的节能目的,管网也应随之进行节能改造。
Then makes a analysis and synthesis of water balance at home and abroad as well as indicators, based on this, in view of the current situation of domestic and foreign pipe leakage, summarizes and analyzes the water supply network leakage type. 之后分析和综合了国内外水量平衡以及漏损指标,在此基础上,针对目前国内外管网的漏损现状,总结分析了供水管网漏损的类型。
Pipe hydrostatic tester is developed based on this background, a balance control on the use of water pipe for hydrostatic testing unit. 而钢管水压机正是基于此背景开发的一种利用油水平衡控制对钢管进行静水压试验的机组。
The key technologies, such as balance theory in construction, drag reduction by injecting and long distance pipe pushing, are emphasized. 重点介绍施工中涉及的平衡理论、注浆减阻技术、长距离顶管等项管施工技术中常见关键技术问题。