Pneumatic conveying systems: design, selection, operation and troubleshooting with particular reference to pulverised fuel ash
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| Main Authors: | , |
|---|---|
| Format: | Book |
| Language: | German |
| Published: |
Clausthal-Zellerfeld
Trans Tech Publ.
2001
|
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Item Description: | Literaturverz. S. 347 - 350 |
| Physical Description: | XXIV, 357 S. graph. Darst. : 30 cm |
| ISBN: | 0878491260 |
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| 001 | BV013728975 | ||
| 003 | DE-604 | ||
| 005 | 20020318 | ||
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| 008 | 010508s2001 gw d||| |||| 00||| ger d | ||
| 016 | 7 | |a 961245085 |2 DE-101 | |
| 020 | |a 0878491260 |9 0-87849-126-0 | ||
| 035 | |a (OCoLC)70252757 | ||
| 035 | |a (DE-599)BVBBV013728975 | ||
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| 084 | |a ZO 9700 |0 (DE-625)157899: |2 rvk | ||
| 100 | 1 | |a Mills, David |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Pneumatic conveying systems |b design, selection, operation and troubleshooting with particular reference to pulverised fuel ash |c D. Mills and V. K. Agarwal |
| 264 | 1 | |a Clausthal-Zellerfeld |b Trans Tech Publ. |c 2001 | |
| 300 | |a XXIV, 357 S. |b graph. Darst. : 30 cm | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 500 | |a Literaturverz. S. 347 - 350 | ||
| 650 | 4 | |a Fly ash | |
| 650 | 4 | |a Pneumatic-tube transportation | |
| 650 | 0 | 7 | |a Flugasche |0 (DE-588)4154740-8 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Pneumatische Förderung |0 (DE-588)4046418-0 |2 gnd |9 rswk-swf |
| 689 | 0 | 0 | |a Pneumatische Förderung |0 (DE-588)4046418-0 |D s |
| 689 | 0 | |5 DE-604 | |
| 689 | 1 | 0 | |a Flugasche |0 (DE-588)4154740-8 |D s |
| 689 | 1 | 1 | |a Pneumatische Förderung |0 (DE-588)4046418-0 |D s |
| 689 | 1 | |5 DE-604 | |
| 700 | 1 | |a Agarwal, V. K. |e Verfasser |4 aut | |
| 856 | 4 | 2 | |m DNB Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009383005&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-009383005 | |
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| _version_ | 1807322718398316544 |
|---|---|
| adam_text |
TABLE
OF
CONTENTS
CHAPTER
1
INTRODUCTION
.
1
CONTENTS
CHAPTER
1
.
2
BACKGROUND
.
3
ASH
GENERATION
.
3
FLY
ASH
.
3
PROPERTIES
OF
FLY
ASH
.
4
TYPICAL
ASH
COMPOSITION
.
5
SIZE
DISTRIBUTION
AND
TEMPERATURE
.
5
SHAPE
OF
FLY
ASH
PARTICLES
.
6
PARTICLE
AND
BULK
DENSITY
.
7
ASH
COLLECTION
HOPPERS
.
7
OFF-LOADING
ARRANGEMENTS
.
8
ASH
REMOVAL
SYSTEMS
.
8
HYDRAULIC
CONVEYING
.
8
PNEUMATIC
CONVEYING
.
9
PNEUMATIC
CONVEYING
.
9
SYSTEM
FLEXIBILITY
.
9
MODE
OF
CONVEYING
.
11
DILUTE
PHASE
.
11
DENSE
PHASE
.
11
CONVEYING
AIR
VELOCITY
.
11
SOLIDS
LOADING
RATIO
.
12
RECENT
DEVELOPMENTS
.
12
ASH
CONVEYING
.
12
MATERIAL
GRADE
.
12
ASH
COLLECTION
.
13
OPERATIONAL
PROBLEMS
.
13
EROSION
OF
PLANT
COMPONENTS
.
13
PIPELINE
BLOCKAGE
.
14
OTHER
FAULT
SITUATIONS
.
14
POWER
STATION
ASH
HANDLING
.
14
CHAPTER
2
REVIEW
OF
SYSTEMS
.
17
CONTENTS
CHAPTER
2
.
18
INTRODUCTION
.
19
SYSTEM
TYPES
.
19
CLOSED
SYSTEMS
.
20
OPEN
SYSTEMS
.
20
POSITIVE
PRESSURE
SYSTEMS
.
21
NEGATIVE
PRESSURE
(VACUUM)
SYSTEMS
.
21
COMBINED
NEGATIVE
AND
POSITIVE
PRESSURE
SYSTEMS
.
23
DUAL
VACUUM
AND
POSITIVE
PRESSURE
SYSTEMS
.
23
BATCH
CONVEYING
.
24
SEMI
CONTINUOUS
SYSTEMS
.
25
SINGLE
PLUG
SYSTEMS
.
26
INNOVATORY
SYSTEMS
.
27
PLUG
FORMING
SYSTEMS
.
27
BY-PASS
AND
AIR
INJECTION
SYSTEMS
.
28
FLUIDISED
MOTION
CONVEYING
SYSTEMS
.
29
AIR-ASSISTED
GRAVITY
CONVEYORS
.
30
FULL
CHANNEL
CONVEYORS
.
30
MOBILE
SYSTEMS
.
31
SYSTEM
REQUIREMENTS
.
32
MULTIPLE
PICK-UP
AND
DELIVERY
.
32
MULTIPLE
MATERIAL
HANDLING
.
32
MULTIPLE
DISTANCE
CONVEYING
.
33
CONVEYING
FROM
STOCKPILES
.
33
START-UP
WITH
FULL
PIPELINE
.
33
MATERIAL
PROPERTY
INFLUENCES
.
33
COHESIVE,
COMBUSTIBLE,
DAMP
OR
WET,
ELECTROSTATIC,
EROSIVE
.
34
FRIABLE,
GRANULAER,
HYGROSCOPIC,
TOXIC,
VERY
FINE
.
35
VIII
CHAPTER
3
FEEDING
DEVICES
.
37
CONTENTS
CHAPTER
3
.
38
INTRODUCTION
.
40
AIR
LEAKAGE
.
40
PRESSURE
DROP
.
40
MAINTENANCE
.
41
MATERIAL
PROPERTIES
.
41
DEVICES
AVAILABLE
.
41
BLOW
TANKS
.
42
FEEDING
REQUIREMENTS
.
42
FLOW
METERING
.
42
ROTARY
VALVES
.
43
DROP-THROUGH
VALVE
.
43
VALVE
WEAR
.
44
ALTERNATIVE
DESIGNS
.
44
OFF-SET
VALVE
.
44
BLOW-THROUGH
VALVE
.
45
AIR
LEAKAGE
.
45
AIR
VENTING
.
46
ENTRAINMENT
DEVICES
.
46
ROTOR
TYPES
.
47
FEED
RATE
.
47
POCKET
FILLING
EFFICIENCY
.
48
FEED
RATE
CONTROL
.
48
SUITABILITY
FOR
FLY
ASH
.
48
NEGATIVE
PRESSURE
SYSTEMS
.
48
SCREW
FEEDERS
.
48
THE
SIMPLE
SCREW
FEEDER
.
49
VARIABLE
PITCH
SCREW
FEEDER
.
49
VENTURI
FEEDERS
.
50
COMMERCIAL
VENTURI
FEEDER
.
51
NEGATIVE
PRESSURE
SYSTEMS
.
52
GATE
LOCK
VALVES
.
52
SUCTION
NOZZLES
.
54
IX
FEED
RATE
CONTROL
.
54
HOPPER
OFF-LOADING
.
55
TRICKLE
VALVES
.
56
BLOW
TANKS
.
56
INTRODUCTION
.
56
LOW
PRESSURE
SYSTEMS
.
57
BLOW
TANK
CONTROL
.
57
BASIC
BLOW
TANK
TYPES
.
57
TOP
AND
BOTTOM
DISCHARGE
.
57
BLOW
TANK
PRESSURE
DROP
.
59
SINGLE
BLOW
TANK
SYSTEMS
.
59
BLOW
TANKS
WITHOUT
DISCHARGE
VALVE
.
59
CONVEYING
CYCLE
ANALYSIS
.
60
BLOW
TANKS
WITH
DISCHARGE
VALVES
.
61
BLOW
TANK
VENTING
.
61
TWIN
BLOW
TANK
SYSTEMS
.
61
TWIN
BLOW
TANKS
IN
PARALLEL
.
62
TWIN
BLOW
TANKS
IN
SERIES
.
63
ALTERNATIVE
BLOW
TANK
ARRANGEMENT
.
64
ALTERNATIVE
FEEDING
ARRANGEMENTS
.
64
BLOW
TANK
CONTROL
.
65
AIR
PROPORTIONING
.
65
BLOW
TANK
AIR
.
65
SUPPLEMENTARY
AIR
.
65
DISCHARGE
RATE
CONTROL
.
65
MATERIAL
INFLUENCES
.
66
CHAPTER
4
SYSTEM
COMPONENTS
.
67
CONTENTS
CHAPTER
4
.
68
INTRODUCTION
.
70
AIRSUPPLY
.
70
TYPES
OF
AIR
MOVER
.
70
AERODYNAMIC
COMPRESSORS
.
72
CONSTANT
SPEED
CHARACTERISTICS
.
72
FANS
.
73
X
POSITIVE
DISPLACEMENT
COMPRESSORS
.
73
ROOTS
TYPE
BLOWERS
.
73
SLIDING
VANE
ROTARY
COMPRESSORS
.
75
LIQUID
RING
COMPRESSORS
.
76
ROTARY
SCREW
COMPRESSORS
.
77
RECIPROCATING
COMPRESSORS
.
78
AIR
COMPRESSION
EFFECTS
.
78
DELIVERY
TEMPERATURE
.
78
OIL
FREE
AIR
.
79
WATER
REMOVAL
.
79
AIR
LINE
FILTERS
.
79
THE
USE
OF
PLANT
AIR
.
80
POWER
REQUIREMENTS
.
80
AIR
FILTRATION
.
80
INTRODUCTION
.
80
SEPARATION
REQUIREMENTS
.
81
SEPARATION
MECHANISMS
.
81
PRESSURE
DROP
CONSIDERATIONS
.
81
SEPARATION
DEVICES
.
81
GRAVITY
SETTLING
CHAMBERS
.
82
CYCLONE
SEPARATORS
.
82
COLLECTING
EFFICIENCY
.
82
FILTERS
.
84
FILTRATION
MECHANISMS
.
84
FILTER
MEDIA
.
84
SELECTION
CRITERIA
.
84
BAG
FILTERS
.
85
FILTER
SIZE
.
86
FILTER
CLEANING
.
86
SYSTEM
CONSIDERATIONS
.
87
BLOW
TANK
SYSTEMS
.
87
VACUUM
CONVEYING
SYSTEMS
.
87
PIPELINES
.
88
WALLTHICKNESS
.
88
PIPELINE
ROTATION
.
88
EROSIVE
WEAR
.
89
BENDS
.
89
BLIND
TEE
.
89
STEPS
.
89
XI
VALVES
.
92
DISCHARGE
VALVES
.
92
BALL
VALVES
.
92
PINCH
VALVES
.
92
DOME
VALVES
.
92
ISOLATING
VALVES
.
93
BUTTERFLY
VALVES
.
93
DISC
VALVES
.
93
SLIDE
VALVES
.
93
VENT
LINE
VALVES
.
93
FLOW
DIVERSION
.
94
DIVERTER
VALVES
.
94
ISOLATING
VALVES
.
94
CHAPTER
5
PIPELINE
MODELS
.
95
CONTENTS
CHAPTER
5
.
96
INTRODUCTION
.
97
SUPPLY
PRESSURE
.
97
VOLUMETRIE
FLOW
RATE
.
97
THE
INFLUENCE
OF
VELOCITY
.
98
MATERIAL
INFLUENCES
.
99
COMPRESSIBILITY
OF
AIR
.
99
VOLUMETRIC
FLOW
RATE
.
100
PRESENTATION
OF
EQUATIONS
.
100
THE
INFLUENCE
OF
PIPE
BORE
.
101
REFERENCE
CONDITIONS
.
101
PIPELINE
INFLUENCES
.
102
THE
IDEAL
GAS
LAW
.
102
WORKING
RELATIONSHIPS
.
103
GAS
CONSTANTS
.
104
THE
INFLUENCE
OF
PRESSURE
.
104
VELOCITY
DETERMINATION
.
105
WORKING
RELATIONSHIPS
.
105
GRAPHICAL
REPRESENTATION
.
105
XII
STEPPED
PIPELINE
SYSTEMS
.
107
STEP
LOCATION
.
107
DILUTE
PHASE
CONVEYING
.
108
DENSE
PHASE
CONVEYING
.
109
VACUUM
CONVEYING
.
HO
PIPELINE
PURGING
.
110
THE
INFLUENCE
OF
TEMPERATURE
.
112
CONVEYED
MATERIAL
INFLUENCES
.
114
PRACTICAL
VALUES
.
117
CONVEYING
LINE
INLET
AIR
TEMPERATURE
.
117
CONVEYING
LINE
EXIT
AIR
TEMPERATURE
.
117
THE
INFLUENCE
OF
ALTITUDE
.
118
ATMOSPHERIC
PRESSURE
.
118
THE
USE
OF
AIR
MASS
FLOW
RATE
.
118
CHAPTER
6
AIR
ONLY
MODELS
.
121
CONTENTS
CHAPTER
6
.
122
INTRODUCTION
.
123
PIPELINE
PRESSURE
DROP
.
123
FLOW
PARAMETERS
AND
PROPERTIES
.
123
CONVEYING
AIR
VELOCITY
.
124
AIR
DENSITY
.
124
AIR
VISCOSITY
.
124
FRICTION
FACTOR
.
125
PRESSURE
DROP
RELATIONSHIPS
.
126
STRAIGHT
PIPELINE
.
126
THE
INFLUENCE
OFAIR
FLOW
RATE
.
129
THE
INFLUENCE
OF
PIPELINE
LENGTH
.
129
THE
INFLUENCE
OF
PIPELINE
BORE
.
130
BENDS
.
130
EQUIVALENT
LENGTH
.
131
OTHER
PIPELINE
FEATURES
.
133
TOTAL
PIPELINE
.
133
POSITIVE
PRESSURE
SYSTEMS
.
135
XIII
NEGATIVE
PRESSURE
SYSTEMS
.
136
AIR
ONLY
PRESSURE
DROP
DATUM
.
137
AIR
FLOW
RATE
CONTROL
.
137
NOZZLES
.
138
FLOW
ANALYSIS
.
138
CRITICAL
PRESSURE
.
140
NOZZLE
SIZE
AND
CAPABILITY
.
140
NOZZLE
TYPES
.
141
ORIFICE
PLATES
.
141
FLOW
RATE
CONTROL
.
142
CHAPTER
7
CONVEYING
CAPABILITY
.
143
CONTENTS
CHAPTER
7
.
144
INTRODUCTION
.
146
CONVEYING
CHARACTERISTICS
.
146
CONVEYING
MODE
.
147
SINGLE
PHASE
FLOW
.
147
THE
DARCY
EQUATION
FOR
PRESSURE
DROP
.
147
THE
USE
OF
AIR
MASS
FLOW
RATE
.
149
GAS-SOLID
FLOWS
.
149
THE
INFLUENCE
OF
SOLIDS
ON
PRESSURE
DROP
.
150
SLIP
RATIO
.
150
PARTICLE
CONCENTRATION
.
151
EVALUATION
OF
V
ELOCITY
.
151
CONVEYING
LIMITATIONS
.
152
AIRSUPPLY
.
152
MINIMUM
CONVEYING
AIR
VELOCITY
.
153
CONVEYING
AIR
VELOCITY
EFFECTS
.
153
SOLIDS
LOADING
RATIO
.
154
THE
DETERMINATION
OF
CONVEYING
CHARACTERISTICS
.
154
INSTRUMENTATION
AND
CONTROL
.
155
EXPERIMENTAL
PLAN
.
155
PRESENTATION
OF
RESULTS
.
156
XIV
DENSE
PHASE
CAPABILITY
.
157
DETERMINATION
OF
MINIMUM
CONVEYING
CONDITIONS
.
158
THE
USE
OF
CONVEYING
CHARACTERISTICS
.
158
ENERGY
CONSIDERATIONS
.
159
THE
INFLUENCE
OF
CONVEYING
AIR
VELOCITY
.
160
POWER
REQUIREMENTS
.
161
SPECIFIC
ENERGY
.
162
COMPONENT
PRESSURE
DROP
RELATIONSHIPS
.
163
HORIZONTAL
PIPELINES
.
164
VERTICAL
PIPELINES
.
164
CONVEYING
VERTICALLY
UP
.
165
CONVEYING
VERTICALLY
DOWN
.
165
PIPELINE
BENDS
.
166
PRESSURE
PROFILE
.
167
INCLINED
PIPELINES
.
168
UPWARD
INCLINE
.
167
DOWNWARD
INCLINE
.
167
CHAPTER
8
SCALING
PARAMETERS
.
169
CONTENTS
CHAPTER
8
.
170
INTRODUCTION
.
172
SCALING
REQUIREMENTS
.
172
CONVEYING
AIR
VELOCITY
.
172
SOLIDS
LOADING
RATIO
.
172
CONVEYING
DISTANCE
.
173
MINIMUM
CONVEYING
AIR
VELOCITY
.
173
SCALING
.
174
EMPTY
LINE
PRESSURE
DROP
.
174
SCALING
MODEL
.
175
EQUIVALENT
LENGTH
.
176
WORKING
MODEL
.
176
SCALING
PROCEDURE
.
176
FINE
ASH
CONVEYING
LIMITS
.
177
COARSE
ASH
CONVEYING
LIMIT
.
177
XV
SCALING
TO
LONGER
DISTANCES
.
178
DENSE
PHASE
CONVEYING
LIMIT
.
178
ITERATIVE
PROCESS
.
179
PIPELINE
BORE
.
179
EMPTY
LINE
PRESSURE
DROP
.
180
SCALING
MODEL
.
180
WORKING
MODEL
.
181
SCALING
PROCEDURE
.
181
SCALING
TO
LARGER
BORES
.
182
INFLUENCE
ON
CONVEYING
PARAMETERS
.
184
AIR
SUPPLY
PRESSURE
.
185
POWER
REQUIREMENTS
.
186
PIPELINE
BENDS
.
187
BEND
GEOMETRY
.
188
AIR
ONLY
RELATIONSHIPS
.
188
TEST
WORK
.
188
COMPARISON
OF
BENDS
.
188
VERTICAL
PIPELINES
.
190
CONVEYING
VERTICALLY
UP
.
190
SCALING
PARAMETER
.
190
CONVEYING
VERTICALLY
DOWN
.
191
PIPELINE
MATERIAL
.
192
RUBBER
HOSE
.
192
COMPARISON
WITH
STEEL
.
193
STEPPED
PIPELINES
.
193
CONVEYING
PERFORMANCE
DATA
.
193
SINGLE
STEP
.
194
EXISTING
SYSTEMS
.
194
TWO
STEPS
.
195
CHAPTER
9
DESIGN
CASE
STUDY
PART
1
.
197
CONTENTS
CHAPTER
9
.
198
INTRODUCTION
.
199
XVI
SCALING
PARAMETERS
.
199
SCALING
PROCESS
.
199
ILLUSTRATIVE
EXAMPLES
.
199
SYSTEMS
CONSIDERED
.
200
CONVEYING
DATA
.
200
TEST
PIPELINE
.
200
PICK-UP
VELOCITY
.
201
PLANT
DATA
.
202
PLANT
PIPELINE
.
202
AIR
AND
ASH
TEMPERATURES
.
203
BEND
LOSSES
.
203
DESIGN
FOR
FINE
GRADE
OF
FLY
ASH
.
203
CONVEYING
CHARACTERISTICS
.
204
CONVEYING
LIMITS
.
205
CONVEYING
LINE
INLET
AIR
VELOCITY
.
205
OPERATING
POINT
.
I
.
206
DESIGN
PROCEDURE
.
206
BEND
LOSSES
.
207
SCALING
FOR
DISTANCE
AND
GEOMETRY
.
207
AIR
ONLY
PRESSURE
DROP
.
208
SCALING
PARAMETER
.
209
AIR
VELOCITY
CHECK
.
210
SCALING
FOR
PIPELINE
BORE
.
210
AIR
ONLY
PRESSURE
DROP
ALLOWANCES
.
210
SCALING
PARAMETER
.
211
CHECK
.
212
CONVEYING
AIR
VELOCITY
.
212
PIPELINE
VELOCITY
PROFILE
.
212
SPECIFICATION
OF
COMPRESSOR
.
214
FREE
AIR
FLOW
RATE
.
215
POWER
REQUIRED
.
215
ALTERNATIVE
CONVEYING
PARAMETERS
.
215
CASES
CONSIDERED
.
216
INFLUENCE
OF
CONVEYING
PARAMETERS
.
216
AIR
PRESSURE/PIPE
BORE
.
216
SYSTEM
ECONOMICS
.
217
POWER
REQUIREMENTS
.
217
XVII
CHAPTER
10
DESIGN
CASE
STUDY
PART
II
.
219
CONTENTS
CHAPTER
10
.
220
INTRODUCTION
.
221
DESIGN
FOR
COARSE
GRADE
OF
FLY
ASH
.
221
CONVEYING
CHARACTERISTICS
.
221
CONVEYING
LINE
INLET
AIR
VELOCITY
.
222
OPERATING
POINT
.
222
DESIGN
PROCEDURE
.
223
BEND
LOSSES
.
224
SCALING
FOR
DISTANCE
AND
GEOMETRY
.
224
AIR
ONLY
PRESSURE
DROP
ALLOWANCES
.
224
SCALING
PARAMETER
.
225
SCALING
FOR
PIPELINE
BORE
.
226
AIR
ONLY
PRESSURE
DROP
ALLOWANCES
.
226
SCALING
PARAMETER
.
227
CONVEYING
AIR
VELOCITY
.
227
PIPELINE
VELOCITY
PROFILE
.
228
SPECIFICATION
OF
COMPRESSOR
.
230
FREE
AIR
FLOW
RATE
.
230
POWER
REQUIRED
.
230
ALTERNATIVE
CONVEYING
PARAMETERS
.
231
CASES
CONSIDERED
.
231
INFLUENCE
OF
CONVEYING
PARAMETERS
.
231
AIR
PRESSURE/PIPE
BORE
.
231
POWER
REQUIREMENTS
.
231
STEPPED
PIPELINE
ANALYSIS
.
234
VACUUM
CONVEYING
SYSTEMS
.
234
CONVEYING
LINE
INLET
AIR
VELOCITY
.
235
CONVEYING
CHARACTERISTICS
.
235
SOLIDS
LOADING
RATIO
.
235
SPECIFICATION
OF
AIR
REQUIREMENTS
.
235
HIGH
TEMPERATURE
CONVEYING
.
236
CONVEYING
TRIALS
.
236
CONVEYING
LINE
INLET
AIR
VELOCITY
.
236
TEMPERATURE
EVALUATION
.
236
APPLICABILITY
.
236
SPECIFICATION
OF
AIR
REQUIREMENTS
.
237
XVIII
CHAPTER
11
FIRST
APPROXIMATION
DESIGN
METHODS
.
239
CONTENTS
CHAPTER
11
.
240
INTRODUCTION
.
241
MATERIAL
CAPABILITY
.
241
MODES
OF
CONVEYING
.
242
MATERIAL
CLASSIFICATION
.
242
AIRPRESSURE
.
243
MINIMUM
CONVEYING
AIR
VELOCITY
.
243
PICK-UP
VELOCITY
.
244
SOLIDS
LOADING
RATIO
.
245
INFLUENCE
OF
DISTANCE
AND
PRESSURE
.
245
PRESSURE
GRADIENT
METHOD
.
247
STRAIGHT
PIPELINE
.
247
VERTICAL
PIPELINES
.
248
PIPELINE
BORE
.
248
STEPPED
PIPELINES
.
249
PIPELINE
BENDS
.
249
AIR
ONLY
PRESSURE
DROP
.
250
AIR
FLOW
RATE
.
251
PROCEDURE
.
252
DENSE
PHASE
CONVEYING
SYSTEMS
.
253
AIR
ONLY
PRESSURE
DROP
METHOD
.
253
BASIC
EQUATIONS
.
253
SOLIDS
LOADING
RATIO
.
253
IDEAL
GAS
LAW
.
253
VOLUMETRIE
FLOW
RATE
.
254
WORKING
RELATIONSHIPS
.
254
MATERIAL
FLOW
RATE
.
254
PIPELINE
BORE
.
254
CONVEYING
LINE
PRESSURE
DROP
.
255
REFERENCE
CONDITIONS
.
255
EMPIRICAL
RELATIONSHIPS
.
255
CONVEYING
LINE
INLET
AIR
CONDITIONS
.
255
SOLIDS
LOADING
RATIO
.
256
MATERIAL
FLOW
RATE
.
257
NEGATIVE
PRESSURE
SYSTEMS
.
257
POSITIVE
PRESSURE
SYSTEMS
.
257
XIX
PIPELINE
BORE
.
258
AIR
SUPPLY
PRESSURE
.
258
NEGATIVE
PRESSURE
SYSTEMS
.
258
POSITIVE
PRESSURE
SYSTEMS
.
258
AIR
ONLY
PRESSURE
DROP
.
259
NEGATIVE
PRESSURE
SYSTEMS
.
259
POSITIVE
PRESSURE
SYSTEMS
.
259
VERTICAL
CONVEYING
.
260
PROCEDURE
.
260
AIR
ONLY
PRESSURE
DROP
.
260
AIR
SUPPLY
PRESSURE
.
261
CHAPTER
12
TROUBLESHOOTING
PART
I
.
263
CONTENTS
CHAPTER
12
.
264
INTRODUCTION
.
266
OVER
DESIGN
.
266
FAULT
LOCATION
.
266
INFORMATION
ACCESS
.
267
EXISTING
PLANT
.
267
SYSTEM
THROUGHPUT
PROBLEMS
.
268
PIPELINE
BLOCKAGE
.
268
GENERAL
.
268
CHECK
LIST
.
268
ON
COMMISSIONING
.
270
INCORRECT
AIR
MOVER
SPECIFICATION
.
270
CONVEYING
AIR
VELOCITY
.
270
PIPELINE
BORE
INFLUENCE
.
271
AIR
MOVER
CHANGE
.
271
CONVEYING
LIMITATIONS
.
271
INFLUENCE
OF
FLY
ASH
GRADE
.
272
AIR
LEAKAGE
ALLOWANCE
.
274
OVER
FEEDING
OF
PIPELINE
.
274
COMPRESSOR
CAPABILITY
.
274
FLY
ASH
CAPABILITY
.
274
FEEDER
CONTROL
.
275
XX
PERFORMANCE
MONITORING
.
275
INFLUENCE
OF
PRESSURE
.
277
NON
STEADY
FEEDING
OF
PIPELINE
.
277
COMMISSIONING
.
278
CONTROL
SYSTEMS
.
278
FEEDING
DEVICES
.
278
ON
START
UP
.
278
MOISTURE
IN
LINE
.
278
AIR
DRYING
SYSTEMS
.
279
COLDAIR
.
280
AIR
FLOW
RATE
CONTROL
.
281
MATERIAL
IN
PIPELINE
.
281
REFERENCE
PRESSURE
.
281
PIPELINE
PURGING
.
282
AFTER
UNEXPECTED
SHUT
DOWN
.
282
AFTER
A
PERIOD
OF
TIME
.
283
COMPONENT
WEAR
.
283
PIPELINE
EFFECTS
.
284
WITH
NEW
MATERIAL
.
285
CONVEYING
CAPABILITY
.
285
WITH
CHANGE
OF
DISTANCE
.
286
MATERIAL
FEED
RATE
.
286
AIR
FLOW
RATE
.
287
CONVEYING
POTENTIAL
.
288
SYSTEM
NOT
CAPABLE
OF
DUTY
.
288
MATERIAL
FEEDING
.
288
AIR
FILTRATION
.
289
REDUCE
AIR
FLOW
RATE
.
289
PROCEDURE
ON
PLANT
.
290
TEST
DATA
.
290
SIGHTGLASSES
.
291
USEOFDATA
.
291
CHANGE
COMPONENTS
.
291
SYSTEM
OUTPUT
GRADUALLY
DECREASES
.
292
PLANT
WEAR
.
292
SYSTEM
OUTPUT
GRADUALLY
INCREASES
.
292
PLANT
WEAR
.
292
XXI
CHAPTER
13
TROUBLESHOOTING
PART
II
.
293
CONTENTS
CHAPTER
13
.
294
INTRODUCTION
.
296
TYPES
OF
SYSTEM
.
296
POSITIVE
PRESSURE
SYSTEMS
.
296
MULTI
POINT
FEEDING
.
296
NEGATIVE
PRESSURE
SYSTEMS
.
296
AIR
FILTRATION
.
297
BACK-UP
FILTERS
.
297
MULTI
POINT
DISCHARGE
.
297
AIR
INGRESS
.
297
INTO
RECEPTION
HOPPER
.
298
INTO
PIPELINE
.
298
STEPPED
PIPELINES
.
298
AIR
MOVER
SPECIFICATION
.
298
MATERIAL
FEED
.
299
COMBINED
SYSTEMS
.
299
SYSTEM
IMBALANCE
.
299
FAN
SYSTEMS
.
299
OPERATING
CHARACTERISTICS
.
299
SINGLE
PLUG
BLOW
TANK
SYSTEMS
.
300
PIPELINE
EROSION
.
300
SYSTEM
COMPONENTS
PROBLEMS
.
301
BLOWERS
.
301
AIR
FILTERS
.
301
BLOW
TANKS
.
301
TRANSIENT
CONDITIONS
.
302
CONTROL
.
302
DISCHARGE
LIMIT
.
303
CHANGE
OFDISTANCE
.
303
CHANGE
OF
MATERIAL
.
303
CONTROL
SYSTEMS
.
303
DISCHARGE
VALVE
.
304
AIRMOISTURE
.
305
PRESSURE
DROP
.
305
PERFORMANCE
MONITORING
.
305
XXII
DISCHARGE
LIMITS
.
306
GRANULAER
MATERIALS
.
306
ROTARY
VALVES
.
307
FLOW
CONTROL
.
307
FEEDING
PROBLEMS
.
307
AIR
LEAKAGE
.
307
VENTING
.
308
VACUUM
CONVEYING
SYSTEMS
.
308
VALVE
SEIZURE
.
308
VALVE
WEAR
.
308
FILTERS
.
309
MATERIAL
DEGRADATION
.
309
MAINTENANCE
.
309
SIZING
.
310
BATCH
CYCLES
.
311
VACUUM
NOZZLES
.
311
FLOW
CONTROL
.
311
SYSTEM
RELATED
PROBLEMS
.
312
ALTITUDE
.
312
CONDENSATION
.
312
ELECTROSTATICS
.
312
EROSION
.
313
INFLUENCE
OF
VELOCITY
.
313
POSSIBLE
SOLUTIONS
.
314
STRAIGHT
PIPELINE
.
314
IMPACT
ANGLE
EFFECTS
.
314
EXPLOSIONS
.
315
TEMPERATURE
VARIATIONS
.
315
MATERIAL
RELATED
PROBLEMS
.
316
COHESIVE
MATERIALS
.
316
GRANULAER
MATERIALS
.
316
HYGROSCOPIC
MATERIALS
.
316
LARGE
PARTICLES
.
317
PARTICIE
DEGRADATION
.
317
MATERIAL
QUALITY
.
318
TEMPERATURE
.
318
XXIII
CHAPTER
14
FLY
ASH
DATA
.
319
CONTENTS
CHAPTER
13
.
320
INTRODUCTION
.
321
STUDIES
PRESENTED
.
321
FLY
ASH
GRADE
.
321
CONVEYING
DISTANCE
.
322
THE
INFLUENCE
OF
PARTICLE
SIZE
.
322
TEST
FACILITY
.
322
FINE
FLY
ASH
.
322
COARSE
FLY
ASH
.
325
EXPERIMENTAL
PLAN
.
325
DATA
ANALYSIS
.
326
TESTRESULTS
.
327
CONVEYING
CHARACTERISTICS
.
327
PARALLEL
ANALYSIS
.
330
PARTICLE
SIZE
DATA
.
331
PARTICLE
SIZE
EFFECTS
.
332
SYSTEM
DESIGN
AND
OPERATION
.
334
MATERIAL
CLASSIFICATION
.
334
THE
PRESSURE
MINIMUM
POINT
.
335
INFLUENCE
OF
CONVEYING
DISTANCE
.
336
SCALING
.
337
PIPELINE
PURGING
.
338
STEPPED
PIPELINE
SYSTEMS
.
339
PURGING
SINGLE
BORE
PIPELINES
.
339
PURGING
STEPPED
PIPELINE
.
339
NOMENCLATURE
.
34I
REFERENCES
.
347
INDEX
.
351
ABOUT
THE
AUTHORS
357
ADVERTISING
.
358
XXIV |
| any_adam_object | 1 |
| author | Mills, David Agarwal, V. K. |
| author_facet | Mills, David Agarwal, V. K. |
| author_role | aut aut |
| author_sort | Mills, David |
| author_variant | d m dm v k a vk vka |
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| callnumber-subject | TJ - Mechanical Engineering and Machinery |
| classification_rvk | ZO 9700 |
| ctrlnum | (OCoLC)70252757 (DE-599)BVBBV013728975 |
| discipline | Verkehr / Transport |
| format | Book |
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| id | DE-604.BV013728975 |
| illustrated | Illustrated |
| indexdate | 2024-08-14T01:00:56Z |
| institution | BVB |
| isbn | 0878491260 |
| language | German |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-009383005 |
| oclc_num | 70252757 |
| open_access_boolean | |
| owner | DE-703 |
| owner_facet | DE-703 |
| physical | XXIV, 357 S. graph. Darst. : 30 cm |
| publishDate | 2001 |
| publishDateSearch | 2001 |
| publishDateSort | 2001 |
| publisher | Trans Tech Publ. |
| record_format | marc |
| spelling | Mills, David Verfasser aut Pneumatic conveying systems design, selection, operation and troubleshooting with particular reference to pulverised fuel ash D. Mills and V. K. Agarwal Clausthal-Zellerfeld Trans Tech Publ. 2001 XXIV, 357 S. graph. Darst. : 30 cm txt rdacontent n rdamedia nc rdacarrier Literaturverz. S. 347 - 350 Fly ash Pneumatic-tube transportation Flugasche (DE-588)4154740-8 gnd rswk-swf Pneumatische Förderung (DE-588)4046418-0 gnd rswk-swf Pneumatische Förderung (DE-588)4046418-0 s DE-604 Flugasche (DE-588)4154740-8 s Agarwal, V. K. Verfasser aut DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009383005&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Mills, David Agarwal, V. K. Pneumatic conveying systems design, selection, operation and troubleshooting with particular reference to pulverised fuel ash Fly ash Pneumatic-tube transportation Flugasche (DE-588)4154740-8 gnd Pneumatische Förderung (DE-588)4046418-0 gnd |
| subject_GND | (DE-588)4154740-8 (DE-588)4046418-0 |
| title | Pneumatic conveying systems design, selection, operation and troubleshooting with particular reference to pulverised fuel ash |
| title_auth | Pneumatic conveying systems design, selection, operation and troubleshooting with particular reference to pulverised fuel ash |
| title_exact_search | Pneumatic conveying systems design, selection, operation and troubleshooting with particular reference to pulverised fuel ash |
| title_full | Pneumatic conveying systems design, selection, operation and troubleshooting with particular reference to pulverised fuel ash D. Mills and V. K. Agarwal |
| title_fullStr | Pneumatic conveying systems design, selection, operation and troubleshooting with particular reference to pulverised fuel ash D. Mills and V. K. Agarwal |
| title_full_unstemmed | Pneumatic conveying systems design, selection, operation and troubleshooting with particular reference to pulverised fuel ash D. Mills and V. K. Agarwal |
| title_short | Pneumatic conveying systems |
| title_sort | pneumatic conveying systems design selection operation and troubleshooting with particular reference to pulverised fuel ash |
| title_sub | design, selection, operation and troubleshooting with particular reference to pulverised fuel ash |
| topic | Fly ash Pneumatic-tube transportation Flugasche (DE-588)4154740-8 gnd Pneumatische Förderung (DE-588)4046418-0 gnd |
| topic_facet | Fly ash Pneumatic-tube transportation Flugasche Pneumatische Förderung |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009383005&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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