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U.S. Coal Test Program on BGC-Lurgi Slagging Gasifier.  Final Report August 1981.

British Gas Corporation

Scott, J. E.

Table of Contents

 

Part 1, Report, 4.22 MB

1

Introduction and Summary

1-1

EPRI Run 01

1-2

EPRI Run -02

1-2

EPRI Run -03

1-3

2

Steady State heat and mass balances

2-1

3

Process Dynamics at Steady state

3-1

4

Demonstrated rapid load changes

4-1

5

Process dynamics accompanying load changes

5-1

General Behavior during Transients

5-1

The Response to Pulse Changes

5-2

6

Mechanical Performance

6-1

7

Performance of Lurgi Proprietary Equipment

7-1

Objectives

7-1

General Arrangement of coal distributor, stirrer and tar recirculation systems

7-2

Recirculation system

7-2

Analysis of Experimental results

7-2

 

Stirrer speed optimization for Rossington and Pittsburgh B Coal

7-2

Stirrer Spood Setting at increased pines content of feed coal

7-4

Evaluation of the Tar Recirculation

7-6

Objectives and Analysis of the percent system

7-6

Impact of tar recirculation on the reactor performance under various operating conditions

7-6

 

General remarks to the operation at load changes

7-7

Evaluation of Bed Upsets

7-8

Conclusions

7-8

8

Particulates in Raw Gas

8-1

Description of Dust probe and filter system

8-1

Design considerations and comments

8-2

Method of operation of dust probe

8-2

Problems encountered and how they were overcome

8-2

Results of dust concentration measurements

8-3

Results of dust analysis

8-7

Physical Description of dust particulate

8-13

Discussion and Conclusions

8-13

9

 

Load change tests on oxygen plants

9-1

Background

9-1

Test Procedure

9-1

Results

9-2

Comments

9-5

Discussion

9-5

Summary

9-5

10

Report on test run EPRI 01

10-1

Summary

10-1

Equipment, Instruments and Controls

10-2

Run Diary

10-5

Slag Tapping and Slag Removal

10-11

Fluxing Systems

10-11

Bed Behavior

10-11

Dust in Flare Gas

10-15

Plant Behavior in Flow Control

10-15

Steam/Oxygen Ratio at 50,000 SCP/H Oxygen Loading

10-27

Behavior of Gasifier during transients

10-28

Post Run Inspection

10-29

Conclusions

10-29

11

Report on test run EPRI 02

11-1

Summary

11-1

Equipment, Instruments and Controls

11-2

Run Diary

11-2

Slag Tapping and Slag Removal

11-7

Fluxing Systems

11-13

Bed Behavior

11-13

Plant Behavior in flow control

11-15

Behavior of gasifier during transients

11-34

Post Run Inspection

11-43

Conclusions

11-43

12

Report on the Test Run EPRI -03

12-1

Summary

12-1

Equipment, instruments and Controls

12-2

Slag tapping and slag removal

12-7

Fluxing System

12-7

Bed Behavior

12-7

Plant Behavior in Flow Control

12-17

Behavior of the Gasifier during transients

12-23

Tar Injection to the Tuyeres

12-23

Post run Inspection

12-37

Conclusions

12-37

Part 2, Appendices, 1.96 MB

 

A

Plant Control Systems

A-1

B

Instrument List

B-1

C

Particulate Sampling Details

C-1

D

Analytical Schedule

D-1

E

Heat and Mass Balances

E-1