Fault detection in olefin oxidation reactor

Details Fault detection in olefin oxidation reactor Fault detection in olefin oxidation reactor

Filed on

1982-11-12

Date issued

1991-05-21

Examiner

Harkcom, Gary V.

Patent Class

Boots, shoes, and leggings

Other Related Categories

364496, G06F 1546

Type

Patent

Status

active

Patent number

050180860

Description

ABSTRACT:
A method and apparatus for determining heat transfer effectiveness comprises measuring coolant flow rate and input temperature for coolant to the reactor, utilizing temperature values for reactant and effluent temperatures in a relationship to obtain a value for the log means temperature difference across the reactor and calculating the actual heat transfer coefficient for heat transfer surfaces of the reactor as a function of the log mean temperature difference, the heat transfer area, the coolant flow rate and additional constant factors which are characteristics of the coolant itself.

REFERENCES:
patent: 2908734 (1959-10-01), Cottle
patent: 2974017 (1961-03-01), Morgan
patent: 3070302 (1962-12-01), Fluegel et al.
patent: 3080219 (1963-03-01), Harvey, Jr.
patent: 3275809 (1966-09-01), Tolin et al.
patent: 3676653 (1972-07-01), Arens et al.
patent: 4132530 (1979-01-01), Schwimmer
patent: 4187542 (1980-02-01), Ball et al.
patent: 4241230 (1980-12-01), Drinkard
patent: 4249907 (1981-02-01), Callejas
patent: 4249908 (1981-02-01), Funk

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