Flow control system and control method for parallel flow process

Details Flow control system and control method for parallel flow process Flow control system and control method for parallel flow process

1978-08-21

1980-04-15

Nilson, Robert G.

Fluid handling

Processes

With control of flow by a condition or characteristic of a...

137 8, 137101, 137110, 165 38, G05D 11035

Patent

active

041978684

ABSTRACT:
A control system and a method for regulating the division of a single feed stream between two or more pieces of processing equipment operated in parallel. The feed stream enters a three-way valve and is then equally divided into two smaller streams which flow through separate pieces of process equipment and then through separate check valves. The pressure of each of the smaller streams is monitored to detect leakage in either piece of the equipment. The flow normally passing through the leaking piece of equipment is diverted to the intact piece of equipment when the leakage causes a predetermined pressure difference.

REFERENCES:
patent: 2041863 (1936-05-01), Rhodes
patent: 3779266 (1973-12-01), Fruth

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