Dissertation > Excellent graduate degree dissertation topics show

Study on Slag Flowing Characteristics in Gasifier Slag Notch

Author: ZhangJianFa
Tutor: GongXin
School: East China University of Science and Technology
Course: Chemical processes
Keywords: Countercurrent gas residue Slag and gas flow Java port Slag flow Slag pool clogging Slag flow model
CLC: TQ546
Type: Master's thesis
Year: 2011
Downloads: 171
Quote: 1
Read: Download Dissertation

Abstract


In this paper, long- term operation of industrial Shell gasifier slag pool when big clinker prone to clogging export of slag pool as the background in the laboratory design and construction of the slag flowing cold mold device used to make syrup slag analog medium , carried out gas gasifier slag and slag flows countercurrent gas flow law slag slag notch experimental studies and model calculations . Cold model experiments show that the countercurrent gas residue when leaving Shell gasifier slag slag slag pool is not a free fall into the mouth of the settlement process, but in the gasifier cyclone field under the action of rotation, and ultimately by the liquid film becomes silk, and some slag slag skirt adhered to the wall . Plant load , the nozzle gas velocity , slag notch slag flow , slag notch slag viscosity and so on the slag in the slag deposition on the characteristics of the skirt wall impact . Established a slag slag deposition skirt flow model , the model calculations show that : In the viscosity range slagging gasifier slag slag solid skirt wall thickness of about 100 mm, so thick solid residue from the gasifier slag easy to fall into the slag skirt wall form a large pool of clinker , slag bath plug outlet . Slag and gas flow experimental results show that relying solely on gravity along the gasifier slag slag hole straight segment flow of uniform motion , after leaving slag notch accelerated motion , and the contraction into the ring closure film into the slag pool ; slag in the slag tone rupture of the annular liquid film flow under the action becomes liquid silk and volatility, liquidity patterns by plant load , slag gas velocity , slag notch slag flow impact . Java port inner cylinder flow field under a restricted jet , the jet opening angle , recirculation zone , velocity distribution , pressure distribution and the slag and the inner mouth diameter by simply related to the ratio , the ratio decreases, the slag viscosity inner cylinder wall with significantly increased . Gas and gas slag and slag countercurrent flow compared countercurrent slag slag hole after leaving the inner cylinder wall adhesion is more serious.

Related Dissertations

  1. The Research of the Environmental Intelligent Monitoring Data Acquisition System Based on Arm9,TP274.2
  2. Modeling of Coal Combustion Near the Wall and Studying of Burning Characteristics in the Liquid-bath Combustor,TK17
  3. Ash and Slag Formation in Opposed Multi-burner Coal-water Slurry Gasifier,TQ547
  4. Investigation of Multiphase Flow, Heat Transfer and the Behaviors of Molten Slag in Entrained-Flow Gasifier and Its Radiant Syngas Cooler,TQ546
  5. Experimental and Simulation Study on Gasification Characteristics of Huainan Coal,TQ546
  6. Investigation on Gasification Characteristics of Pulverized Coal in Entrained Flow Gasifier Based on Flameless Oxidation,TQ546
  7. Study on Potassium Catalyst Recovery of Coal-Steam Catalytic Gasification,TQ546
  8. Study of Intelligent Soft Sensor Modeling for Furnace Temperature of Coal-Water Slurry Gasifier and It’s Application,TQ546
  9. Modeling and Optimization of Coal-Water Slurry Gasification Process,TQ546
  10. Wet coal liquefaction residue entrained flow gasification Applied Research,TQ546.1
  11. Research and Numerical Simulation of the CWS Burner for Gasification under High Ambient Pressure,TQ546
  12. Experimental Studies on Tar Formation During Coal Pyrolysis on the Muti-product System and Deep Processing of Tar,TQ546
  13. Experiment and Simulation for Pulverized Coal Gasification under Pressure,TQ546
  14. Analysis for Intermittent Fixed-Bed Coal Gasification,TQ546
  15. Research on Experiment of Gasification Tar Cracking and Free-Tar Gasification Technology,TQ546
  16. Numerical Study of Intermittent Coal Gasification Technology,TQ546
  17. Numerical Simulation and Measurements of Slag Discharge in Entrained Flow Gasifier,TQ546
  18. K_2CO_3 catalytic coal - steam gasification research,TQ546
  19. Solid heat carrier Numerical simulation of pneumatic conveying,TQ546
  20. The Influence of Gasification Agent to Coal Gasification Process in a Fluidized Bed,TQ546
  21. Preparation and Performance of Rare Earth Metal Oxides Loaded on Mesoporous Materials for Hot Gas Desulfurization,TQ546.5

CLC: > Industrial Technology > Chemical Industry > Coal gasification industry > Gasification process
© 2012 www.DissertationTopic.Net  Mobile