Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Inlet line strainers

There is an 8in. line connected to the 30-in. inlet line at a point upstream from the valve pits and to the 36-in. line near the reactor. This 8 in. line provides a flow parallel to the main flow stream and contains two block valves, a flow instrument, a strainer, and a control valve. It can carry 1000 gpm and is used in the event that the main water line valve is closed off, thereby assuring a continuous water supply t o the reactor at all tirne. particu 1 arly at shutdown. This same line, which allows 1000 gpm of process water to by-pass the main stream, can also be- used to carry 1000 gpm of fresh demineralized water during periods of reactor flushing, or 1000 gpm of seal-tank water for recirculation through the seal ta.nk and the reactor only. [Pg.303]

NPSH supplied or NIPA supplied too small] strainer dogged/temperature too hot/ inlet line clogged/inlet line diam. too small or length too long/atmospheric pressure < design. [Pg.57]

Feed tank for metering pump placed at a height—it can feed in liquid even when pump is stopped. This is not advisable. This tank shall be at a lower level. Either strainers not provided at all or there are bigger holes in strainer screen in inlet line of metering pumps or instrumentation probe (concentration analyser). Sufficient straight lengths (as recommended by manufacmrers) not provided before and after flowmeters like orifice meters/vortex meters. [Pg.72]

All process traps should have a Strainer in the trap inlet line. An outlet shutoff valve should be provided to permit isolation of the trap for maintenance without having to drain the equipment or shutdown the condensate return header. The trap, strainer, and valves should be arranged to allow access for operation, maintenance, testing, and inspection. Modular hook-ups are recommended. [Pg.267]

Should be possible to easily erect, repair and dismantle the GL equipment and connected pipes, fittings, etc. Sufficient clearance should be provided on all sides of GL equipment for movement of men, materials and maintenance Raw materials with fluorides, HF, abrasive particles can damage lining Strainers should be provided in inlet lines to the vessel No raw material (solid or liquid) should be added rapidly it should be slowly introduced without hitting the GL shaft or agitator... [Pg.87]

Compressor suction lines must be free of any foreign panicles that could damage the internals of the machine. Strainers are installed in the inlet line between the block valve and the compressor inlet nozzle. After the unit has been on stream for some time, the strainers are normally removed. Should the strainer be the permanent type, a clean-out connection must be added to remove any trapped foreign matter during a shutdown of the compressor. Exhibit 4-48 illustrates two such applications. [Pg.85]

Strainers are used primarily to catch only very large particles and will be found in applications where this type of protection is required. Most hydraulic systems have a strainer in the reservoir at the inlet to the suction line of the pump. A strainer is used in lieu of a filter to reduce its chance of being clogged and starving the pump. However, since this strainer is located in the reservoir, its... [Pg.607]

Sampling, including position of sampler inlet or device in the flow or tank, size of strainer, hose diameter and minimum flow rate for the sampling line,... [5,6]... [Pg.250]

It is best to water-flush (or gas-blow Sec. 11.1) the water circulation lines before a prestartup wash. During flushing, lines should be broken at the column inlet to prevent debris from entering the column. For an effective flush, water velocities of 12 ft/s have been recommended (295). During the wash, strainers should be used in the water circuit, especially upstream of distributors or other delicate internals. [Pg.296]

Coarser particles can be retained in the tank by a coarse mesh strainer fitted in the tank at the outlet point. Water will settle to the bottom of the tank and would not normally be drawn up if the outlet pipe is positioned correctly, and even if it is drawn up, the coarse strainer is reasonably effective in arresting it. Most tanks have strainers and additional protection provided by an in-line disposable filter on the entry side of the fuel pump, together with a settling or sediment bowl on the pump inlet. Further protection is usually provided at the carburettor or fuel injection system entry point with other simple strainers. [Pg.298]

Such inlet strainers, of course, do not remove any pump-generated contantina-tion, which is then fed directly into the system on the pressure side. Equally, they are not necessary in systems with closed reservoirs, with silt-control filtration on the return line, or where fluid is introduced into the system upstream of the return line filter. Suction line filters are cheap, but do not usually have indicators to show when they are dirty or blocked. [Pg.354]


See other pages where Inlet line strainers is mentioned: [Pg.306]    [Pg.361]    [Pg.344]    [Pg.361]    [Pg.204]    [Pg.141]    [Pg.104]    [Pg.145]    [Pg.174]   
See also in sourсe #XX -- [ Pg.88 ]




SEARCH



Inlet

Inlet lines

Strainers

© 2024 chempedia.info