June 5, 2015
A service system provides cooling water to plant’s component, heat exchangers, and other required service areas by plant.
Tag: faq
What do process piping systems refer to?
Process piping systems refers to piping within chemical/petroleum processing unit.
What are process piping systems intended to convey?
Process piping systems intend to convey petroleum, raw, intermediate, and finished chemicals, gas, steam, air and water, fluidized solids, refrigerants, and cryogenic fluids.
What are the two main purposes of water distribution?
The two main purposes of water distribution are to supply sufficient quantity of water to all parts of system and to maintain adequate pressure at all times and in all conditions.
In regards to water piping systems, what is a condenser system?
A condenser system circulates water to condense steam exhausted by turbines in plants.
What is the purpose of distribution mains?
May 26, 2015
Distribution mains carry material from transmission lines and distribute to service area.
What is the purpose of transmission lines?
Transmission lines carry water from the main source to the distribution system.
What is the common industrial use of the in-plant utility?
The in-plant utility’s common industrial use is the condenser-circulating system and service cooling water systems.
What is the purpose of service lines?
Services lines use small diameter pipes that run from distribution mains to user.
What are the four general types of water distribution?
May 19, 2015
The four general types of water distribution are transmission lines, in-plant utility, service lines, and distribution mains.
What are the three types of piping systems discussed?
May 18, 2015
Three types of piping systems discussed are water, process, and power.
In regards to design considerations of pressure vessels, when are isolation valves usually provided?
Isolation valves are usually provided if the location of the nozzle is below the column level or on small bore lines which are more susceptible to damage.
In regards to the design considerations of pressure vessel and the bottom head of skirt supported vessel why should the flanged connections be outside of the skirt?
Flanged connections should be outside of the skirt to minimize leakage in confined space.
In regards to the design considerations of pressure vessels, where will the pipe supports be attached?
Pipe supports will be attached to the side of the vessel.
In water distribution systems, a distribution system is usually designed in what three configurations?
Configurations of water distribution systems include loop, grid, and tree.
In regards to the design considerations of pressure vessels, when does the piping drop or rise?
May 11, 2015
Piping should drop or rise immediately upon leaving the tower nozzle and run parallel along the side of the vessel using the wind load on the nozzle as constraint.
In regards to the design considerations of pressure vessels, who controls the nozzle location?
The nozzle location is controlled by the vessel engineer.
In regards to the design considerations of pressure vessels, what should also be taken into account between the vessel shell and the piping?
The thermal expansion should be taken into account between the vessel and the piping.
In regards to the application guidelines of tanks, what are flammable liquids?
Flammable liquids are filled near the bottom of tank to prevent static electricity buildup.
In regards to the design considerations of pressure vessels, how will vessel specifications determined?
Vessel specifications will be determined by the process engineer. Specifications include the size/capacity, pressure rating, wall thickness, material, type of connection, etc.
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