Process and apparatus for automated regulation of sulphur production units
USRE28864E · kind E · reissue
Assignee
Inventors
Key dates
| Filing date | Oct 22, 1975 |
| Grant date | Jun 15, 1976 |
| Priority date | — |
| Expiry date | Oct 22, 1995 |
Classification
- Technology area (CPC —)General
Abstract
A process for automated regulation of a unit producing sulphur by oxidation of hydrogen sulphide, in which the flow of gas carrying oxygen into the unit is regulated so as to keep an operating parameter, based on measurement of the sulphurous compound of the residual gases, level with a reference value. It is characterized by the fact that the control signal, used to regulate the flow of gas containing oxygen at the unit inlet, is a combination of a signal based on measurements taken at the inlet, and representing the theoretical flow of this gas needed to keep the operating parameter at its reference level and another signal representing the correction needed in this flow to adjust the instantaneous value of the parameter to the reference level. This process allow better control of the sulphur unit, with increased efficiency and reduced atmospheric pollution. PAC PROCESS FOR AUTOMATED REGULATION OF SULPHUR PRODUCTION UNITS
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.