Variations on billet gas consumption intensity of reheating furnace in different production states

Zone method based coupled simulation of industrial steam cracking furnaces

A semi-analytical approach on critical thermal states in water wall tubes of a subcritical drum boiler of a thermal power plant

Mathematical models for temperature control of heating furnace are summarized based on the research results on control model and optimization of furnace in latest 30 years in this paper. Some models are mainly illustrated in detail, such as Multiple regression model, prediction model, dynamic model, thermal balance model, recurrent neural network model, Combustion Process model based on immune clone evaluation algorithm and temperature optimization model based on hybrid particle swarm optimization, etc. The advantages and disadvantages of various control models are analyzed. Meanwhile development trends of control model research of furnace are provided.

Review on control model of reheating furnace in hot rolling line

The report is focused on the design and thermal performance of the continuous furnace for heating of pipe billets before piercing operating at ‘ChPRP’ PJSC. The problems arising during operation of the thermal generating unit have been analyzed. To evaluate the efficiency of existing heating system, the heat balance of the continuous furnace has been drawn up. During analysis of the results of calculated studies, disadvantages of existing furnace systems and assemblies have been revealed. In order to improve the quality of metal heating, it is proposed to install the through-type furnace heated by means of regenerative burners, as well as provided with the metal transportation system, ensuring more uniform heating, both along the length and thickness of billets, in place of the existing furnace. When implementing the proposed activities, a significant economic benefit is expected, which is confirmed by the heat balance of the through-type furnace given in the article. Besides, to visualize the distribution of temperature and gas-dynamic flows within the operating space of the proposed through-type furnace, the computer simulation for evaluation of the uniformity of metal heating has been performed.
Keywords: continuous furnace, regenerative burner, energy saving, through-type furnace, heat balance

/pdf/technical-upgrading-and-thermal-performance-of-heating-35s0nvlggy.pdf

Technical Upgrading and Thermal Performance of Heating Furnace of the Pipe Rolling Workshop

A two-dimensional mathematical model of a walking-beam reheating furnace was built.In the study of rolling delay,scenario comparison method was used to investigate the slab curves in five different furnace temperatures.By applying heating curve strategy,the temperature field of slabs was simulated during and after rolling delay.The results show that heating curve strategy for furnace temperature decision ensures steady slab temperature and a good control effect.

Strategy of rolling delay on reheating furnace

Based on energy balance, a three-dimensional zone method mathematic model on conventional reheating furnace is set up. By coupling with heat flux of slab surface, the temperature fields of furnace gas zones and furnace wall zones is obtained by using the main variable-correction method, and slab temperature fields by finite difference method. Under typical working condition, the model is verified by the testing data. The influences of thermodynamic operating parameter and structural parameter on heat transfer process under steady working conditions without changing the productivity are quantitatively researched.

Three-Dimensional Zone Method Mathematic Model on Conventional Reheating Furnace

A control strategy for single-neuron fuzzy self-adaptive controllers was designed by combination of fuzzy control with neural control. The strategy made full use of the nonlinear approximation of fuzzy logic and the self-adaptability of neural control. The application of the strategy to the simulation of operation process of mixed flow generating units at a hydropower station in two cases shows that the control strategy is of good dynamic performance and adaptability as compared with the conventional PID control system.

An intelligent control strategy for hydro-turbine regulation system

Based on energy balance and heat conduction equations,software of mathematical model and automatic control of a bell-type annealing furnace for cold rolled steel coil was built.Applying concepts of radial equivalent conduction coefficient and gap coefficient of steel coil,heat transfer problems of steel coils with different extent of tightness were settled.Through simulating on heating,insulation,cooling process and accurate controlling on heating rate,insulation temperature and cooling rate,the annealing heat treatment craft of cold rolled steel coil in furnace was satisfied.

Simulation and control of thermal process in bell-type annealing furnace

The mixing behavior of RH vacuum degassing vessel was investigated by combination of numerical analysis and water model experimentThe present investigation focused on the whole RH equipment system,and slow field was calculated using a new mixture modelMixing processes are analyzed based on the diffusion of tracer at upper surface of molten steel in vacuum chamberResults showed that the tracer mixing was very fast at first stage,the mixing in below the up-leg was slow somewhatThe calculated tracer concentration distribution was in good agreement with the experimental observation

Investigation on Mixing Behavior of RH Vacuum Degassing Vessel

Handle everyday research tasks with reliable, citation-backed results

Your personal Research Agent to handle research tasks with citation-backed results

Popular Tasks used by Researchers

How can I help with your research?

Meet SciSpace

Get more enhanced response by uploading the PDFs you want me to reference.

No relevant PDFs in your library

SciSpace is the AI research assistant for academics. Run systematic literature reviews on 280M+ papers, and write papers with cited sources. Trusted by 1M+ students, PhDs & researchers.

SciSpace | AI for Research

Analyze PDFs

Code & Manuscripts

Funding & Grants

Literature & Patents

Medical & Clinical Data

Systematic Review

Visualize & Present

Web & Data

Build a Google Scholar-like website for your research.

Build a website

Create charts and images for your research

Create a Chart

Write a paper for submission to a journal

Draft a manuscript

Patent Search

Design eye-catching scientific posters in minutes.

Scientific Poster Generation

Systematic Literature Review

One task is running at the moment. Your messages will be shown right after.

Drag and drop or click here to browse

Loved by <highlight>1 million+</highlight> researchers

Extract a list of specific topics and their sources from unstructured text

Topics

Compare and analyze relevant papers that matches with your search

Papers

Get insights from PDFs and bookmarked papers from your library

My library

Recent searches

Try searching for:

Catch AI-generated content in scholarly and non-scholarly content

{ai} Detector

Ai Writer

Get PDF Summaries, highlighted text explanations 

Chat with PDF

Effortlessly create in-text citations and bibliographies in APA and 2,500 other formats

Citation generator

Get explanations, summaries, and answers on academic papers

Ease up your research workflow with {scispace}'s cohort of exciting AI tools

Elevate your academic writing skills and convey your ideas the way you want

Paraphraser

Explore our range of reading and writing tools

Your file is being prepared and should be ready in a few minutes. If it's a large file, it might take a bit longer. You can close this window, and we'll email you the file when it's done.

You have reached a maximum limit of <strong>{limit}</strong> columns in the table. Remove at least <strong>1</strong> column to add or create another one.

Chen Hai-geng

Author Tools

Chat about Author