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In the paper a problem of casting die preheating control is solved. Concept of the control is designed based on distributed parameters systems. The design of the control structures are created within simulation studies, afterwards are connected into co-simulation regime network to tune the control parameters and then applied to control of preheating using PLC.
This paper investigates the effect of a two-stage heating process on the properties of lightweight aggregate (LWA) prepared with sewage sludge and saline clay. Initially, pyrolysis of sewage sludge and pelletized pellets was studied and it was found that the preheating temperature should be controlled between 400 and 600°C in order to decompose the contaminant organic compounds and ensure that sufficient...
A non-asbestos semi-metallic stainless steel/carbon fiber reinforced PEEK-based friction material was developed and applied in Tunnel Boring Machine(TBM) driven clutch friction plate. The uniform design method of 5 factors and 27 levels was used to design and optimize the match composition. The friction plates were manufactured by dry-processing procedure, comprising mixing, pre-heating, cold pressing,...
The object of this study is to investigate the sintering processes of sewage sludge ceramic pellets (SSCP) as filter media. The effects of adding coal fly ash and farmland clay were tested, and the feasibility of using SSCPs in a biological aerated filter (BAF) was determined by comparing their performance with that of commercial ceramic pellets (CCP). Unlike the procedure to make lightweight sewage...
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