FIELD: manufacture of pumps. SUBSTANCE: working fluid consists of 1 to 12% of mono- and/or polyalkydiphenyls containing 10 to 30 atoms of carbon in alkyl chain and mono- and/or polyalkylnaphthalenes containing 6 to 40 atom of carbon. EFFECT: enhanced efficiency.ANPILOGOV YURIJ E...
The article describes the use of cryohydrates as the working liquid for vacuum pumps, for example mechanical and vapor-jet pumps, for the purpose of pumping out of vacuums free of hydrocarbons.Martinson, E. NForeign Technology Div Wright-Patterson AFB OhioPlechev, B. I...
aTwo water ringed vacuum pumps will be employed to extract non-condensed gas from condenser to maintain required vacuum. 二个水圈状的真空泵将被使用从冷凝器提取非浓缩的气体维护必需的真空。[translate] aOne pump is working and another is standby under normal operating condition. 正在翻译,请等待......
Why should you consider using an oil-free vacuum pump? A low energy solution Oil-free vacuum technologies offer considerable savings in terms of overall energy efficiency. Oil-free vacuum pumps when combined with a VSD (variable speed drive) can reduce energy consumption by up...
Operation control device and method of vacuum pumps An operation control devices and operation methods thereof so as to eliminate the difficulties in such a case of introduction of vacuum sensors and/or inverter control is disclosed. The disclosure relates to a control of plural sets of v... N...
Based on the fluid mechanics theory,theworking curves of the vacuum pumps and the suction cup system are obtained from experiments. 基于流体力学理论,通过实验方法绘制了电风机吸盘系统的工作特性曲线。 2) Receiver operating characteristic curve
The cooling capability of the condensers and the discharge unit is achieved using a closed cycle cooling system with dry coolers. A small chiller is required which supplies cool water to the off-gas cooler and vacuum pumps. 7. Off gas treatment ...
with a liner and sealed from the atmosphere. If required special measures are taken at the sides of the vacuum area to prevent air leaks or excessive water ingress. The horizontal drains are connected to vacuum pumps for the application of the vacuum pressure....
In case of a configuration with sub-atmospheric condenser, it is therefore necessary to adopt a vacuum system, which introduces additional cost and may affect the reliability of the plant. Depending on the simulation case, the design vector x consists of up to five variables. Table 4 lists ...
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