System and method for controlling air-separating tower dynamic matrix
A dynamic matrix control and dynamic matrix technology, applied in distillation regulation/control, refrigeration and liquefaction, liquefaction and other directions, can solve the problems of strong, inability to adapt to the dynamic characteristics of air separation operation, and inability to obtain good control effects.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0080] refer to Figure 1 ~ Figure 4 , a dynamic matrix control system for an air separation tower, comprising an on-site smart instrument 2 directly connected to an air separation tower 1, a data storage device for storing historical data, and a host computer 6, the smart instrument 2, a data storage device, and a host computer 6 are connected in turn, and the host computer 6 is a dynamic matrix controller, and the dynamic matrix controller includes a composition inference control part and a dynamic matrix control part, and the composition inference control part includes: a detection instrument module 7, Including temperature detection element and pressure detection element, used to detect the temperature and pressure of the upper tower of the air separation tower; I / O element module 9, used for electrical signals, and data signals in the controller and between the controller and DCS Transmission, component deduction module 10, used to infer components according to the temper...
Embodiment 2
[0190] refer to Figure 1 ~ Figure 4 , a kind of control method realized with the dynamic matrix control system of described air separation tower, described control method comprises the following steps:
[0191] (1) Determine the two-component set value Y of the air separation tower 1set 、X nset , and the sampling period T;
[0192] (2) At each sampling time KT, the composition is inferred based on the temperature and pressure data obtained from the detection, and the formulas are (1), (2):
[0193] Y 1 = α α - 1 - 10 ( a - b T 1 + c ) ...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com