Liquid ring vacuum pumps, compressors and systems: conventional and hermetic design
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| Main Author: | |
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| Format: | Book |
| Language: | English German |
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Weinheim
Wiley-VCH
2005
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| Online Access: | Inhaltsverzeichnis |
| Item Description: | Literaturangaben |
| Physical Description: | XX, 492 S. Ill., graph. Darst. 25 cm |
| ISBN: | 9783527312498 3527312498 |
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MARC
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| 100 | 1 | |a Bannwarth, Helmut |e Verfasser |4 aut | |
| 240 | 1 | 0 | |a Technisches Handbuch Flüssigkeitsring-Vakuumpumpen, -Kompressoren und -Anlagen |
| 245 | 1 | 0 | |a Liquid ring vacuum pumps, compressors and systems |b conventional and hermetic design |c Helmut Bannwarth. Transl. by Christine Ahner |
| 264 | 1 | |a Weinheim |b Wiley-VCH |c 2005 | |
| 300 | |a XX, 492 S. |b Ill., graph. Darst. |c 25 cm | ||
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| 500 | |a Literaturangaben | ||
| 650 | 4 | |a Vacuum technology | |
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| _version_ | 1804134578011504640 |
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| adam_text | HELMUT BANNWARTH LIQUID RING VACUUM PUMPS, COMPRESSORS AND SYSTEMS
CONVENTIONAL AND HERMETIC DESIGN TRANSLATED BY CHRISTINE AHNER WILEY-
VCH WILEY-VCH VERLAG GMBH & CO. KGAA XIII CONTENTS FOREWORD VII PREFACE
IX PREFACE OF THE FIRST EDITION IN GERMAN LANGUAGE IN 1991 XI 1 GAS
PHYSICS AND VACUUM TECHNOLOGY 1 1.1 THE TERM VACUUM 1 1.2 APPLICATION
OF VACUUM TECHNOLOGY 1 1.2.1 BASIC OPERATIONS IN PROCESS ENGINEERING 2
1.2.2 BASIC FIELDS AND WORKED-OUT EXAMPLES FOR THE APPLICATION OF VACUUM
TECHNOLOGY 3 1.2.3 OVERVIEW OF THE MOST IMPORTANT VACUUM PROCESSES 6
1.2.4 BASIC DESIGNS OF APPARATUS FOR MASS TRANSFER AND MASS COMBINATION
7 1.2.5 LIMITS TO THE APPLICATION OF VACUUM IN PROCESS ENGINEERING 8 1.3
OPERATING RANGES AND MEASURING RANGES OF VACUUM 9 1.3.1 VACUUM PRESSURE
RANGES 9 1.3.2 VAPOR PRESSURE CURVE OF WATER IN VACUUM 9 1.3.3 VACUUM
OPERATION RANGES, TEMPERATURE PRESSURE TABLE 10 1.3.4 TOTAL PRESSURE
MEASURING 12 1.3.5 PRESSURE METERS 14 1.3.6 DEFINITION OF TERMS FOR
VACUUM MEASURING DEVICES 21 1.4 GAS FLOW AND VACUUM RANGES 23 1.4.1
VACUUM RANGES AND TYPES OF FLOW 23 1.4.2 MEAN FREE PATH 23 1.4.3
REYNOLDS NUMBER 25 1.4.4 GAS FLOW, SUCTION POWER, SUCTION CAPACITY 26
1.4.5 FLOW LOSSES IN PIPEWORK 28 1.4.6 EFFECTIVE SUCTION CAPACITY OF
VACUUM PUMPS 30 1.4.7 GAS-INFLOW AND OUTFLOW ON A VACUUM CHAMBER 32
1.4.8 PRACTICE ORIENTED APPLICATION OF THE GAS FLOW CALCULATION 34 1.5
PHYSICAL STATES OF MATTER 44 1.5.1 THE TERMS GASES, VAPORS, VACUUM 44
LIQUID RING VACUUM PUMPS, COMPRESSORS AND SYSTEMS. HELMUT BANNWARTH
COPYRIGHT 2005 WILEY-VCH VERLAG GMBH & CO. KGAA, WEINHEIM ISBN:
3-527-31249-8 XIV CONTENTS 1.5.2 PHYSICAL BASIC PRINCIPLES OF IDEAL
GASES 44 1.5.3 STANDARD TEMPERATURE AND PRESSURE 52 1.5.4 REAL GASES AND
VAPORS 53 1.5.5 PHASE TRANSITIONS AND THEIR DESCRIPTIONS 55 1.6 MIXTURES
OF IDEAL GASES 59 1.6.1 MASS COMPOSITION 59 1.6.2 MOLAR COMPOSITION . 60
1.6.3 VOLUMETRIC COMPOSITION 60 1.6.4 IDEAL GAS MIXTURES AND GENERAL
EQUATION OF GAS STATE 61 1.7 GAS MIXTURES AND THEIR CALCULATION 63 1.7.1
DENSITY OF AN IDEAL GAS MIXTURE 64 1.7.2 MOLAR MASS OF GAS MIXTURE 64
1.7.3 GAS CONSTANT OF AN IDEAL GAS MIXTURE 65 1.7.4 RELATION BETWEEN
MASS PROPORTIONS AND VOLUME PERCENTAGE 66 1.7.5 GAS LAWS AND THEIR
SPECIAL APPLICATION IN VACUUM TECHNOLOGY 68 1.8 DISCHARGE OF GASES AND
VAPORS 73 1.8.1 GENERAL STATE EQUATION OF GAS 73 1.8.2 REAL GAS FACTOR Z
74 1.8.3 GENERAL GAS CONSTANT 75 1.8.4 THE SPECIAL GAS CONSTANT
DEPENDING ON THE TYPE OF GAS 77 1.8.5 THERMAL STATE EQUATION FOR IDEAL
GASES 78 1.8.6 SUCTION OF DRY GASES AND SATURATED AIR-WATER VAPOR
MIXTURE BY LIQUID RING VACUUM PUMPS 79 1.8.7 GASES IN MIXTURES WITH
OVERHEATED VAPORS 97 1.8.8 CONDENSATION AND CAVITATION 100 1.9 CHANGE OF
GAS STATE DURING THE COMPRESSION PROCESS 100 1.9.1 THE ISOTHERMAL
COMPRESSION 101 1.9.2 THE ADIABATIC COMPRESSION 101 1.9.3 ADIABATIC
EXPONENT K 102 * - 1.9.4 ESPECIALLY DISTINGUISHED CHANGES OF STATE 104
1.10 NAMES AND DEFINITIONS IN VACUUM TECHNOLOGY 105 2 MACHINES FOR
VACUUM GENERATION 111 2.1 OVERVIEW OF VACUUM PUMPS ILL 2.2 DESCRIPTION
OF VACUUM PUMPS AND THEIR FUNCTIONING 111 2.2.1 GAS TRANSFER VACUUM
PUMPS 111 2.2.2 GAS BINDING VACUUM PUMPS 120 2.3 OPERATING FIELDS OF
PUMPS ACE. TO SUCTION PRESSURE 121 2.4 SUCTION PRESSURE AND SUCTION
CAPACITY OF DIFFERENT PUMP DESIGNS 123 2.5 USUAL DESIGNS AND
COMBINATIONS OF VACUUM PUMPS 124 2.5.1 SLIDING VANE VACUUM PUMP 124
2.5.2 MULTI CELL VACUUM PUMP 127 2.5.3 LIQUID RING VACUUM PUMP 129 2.5.4
ROTARY PLUNGER VACUUM PUMP 131 2.5.5 TROCHOIDAL VACUUM PUMP 131 CONTENTS
XV 2.5.6 ROOTS PUMP 133 2.5.7 JET PUMP 140 2.6 VACUUM PUMP UNITS AND
THEIR CONTROL 146 2.6.1 THE THREE PHASES OF EVACUATION 146 2.6.2 VACUUM
PUMPS IN SERIES 147 2.7 NAMES AND DEFINITIONS OF VACUUM PUMPS AND THEIR
ACCESSORIES 150 3 LIQUID RING VACUUM PUMPS AND LIQUID RING COMPRESSORS
157 3.1 LIQUID RING VACUUM PUMPS AND COMPRESSORS WITH RADIAL FLOW 257
3.2 LIQUID RING MACHINES WITH AXIAL FLOW 159 3.2.1. LIQUID RING PUMP
WITH LATERAL CHANNEL 159 3.2.2 LIQUID RING PUMP WITH ECCENTRIC SCREW
WHEEL 161 3.2.3 LIQUID RING MACHINES WITH ELLIPTIC CASING 162 3.2.4
LIQUID RING COMPRESSORS 163 3.2.5 LIQUID RING MACHINES WITH
ECCENTRICALLY INSTALLED IMPELLER 264 3.3 THE OPERATING LIQUID 277 3.3.1
INFLUENCE OF THE OPERATING TEMPERATURE OF THE RING LIQUID ON SUCTION
CAPACITY AND SUCTION PRESSURE OF THE PUMP 178 3.3.2 OPERATING BEHAVIOR
AT DIFFERENT DENSITIES OF THE OPERATING LIQUID 280 3.3.3 INFLUENCE OF
THE VISCOSITY OF THE OPERATING LIQUID ON THE DISCHARGE BEHAVIOR OF THE
PUMP 282 3.3.4 SOLUBILITY OF GASES IN THE OPERATING LIQUID 183 3.4 THE
QUANTITY OF OPERATING LIQUID 184 3.5 THE BEHAVIOR OF LIQUID RING VACUUM
PUMPS IN CASE OF LIQUID BEING CARRIED SIMULTANEOUSLY 286 3.6 THE
CARRYING OF CONTAMINANTS 287 3.7 THE CONDENSATION EFFECT 287 3.8
CHARACTERISTIC CURVES OF LIQUID RING MACHINES AT DIFFERENT COMPRESSION
PRESSURES AND SUCTION PRESSURES 289 3.9 THE SIMILARITY LAW FOR LIQUID
RING GAS PUMPS 289 3.10 PUMP PERFORMANCE AND POWER CONSUMPTION OF LIQUID
RING MACHINES 292 3.10.1 CHARACTERISTIC CURVES OF LIQUID RING VACUUM
PUMPS AND COMPRESSORS 293 3.11 CAVITATION 295 3.12 CAVITATION PROTECTION
296 3.13 GAS EJECTOR IN COMBINATION WITH THE LIQUID RING VACUUM PUMP 197
3.13.1 OPERATING RANGE OF A VACUUM PUMP WITH GAS EJECTOR 298 3.13.2
OPERATION MODE OF GAS EJECTORS 299 3.14 OPERATING MODES, SUPPLY OF
OPERATING LIQUID 202 3.14.1 OPERATION WITHOUT LIQUID RECIRCULATION
(FRESH LIQUID OPERATION) 203 3.14.2 OPERATION WITH LIQUID RECIRCULATION
(COMBINED OPERATION) 206 3.14.3 OPERATION WITH CLOSED CIRCULATION
(CIRCULATING LIQUID OPERATION) 208 3.15 MATERIALS FOR LIQUID RING
MACHINES 220 3.16 SEALING OF LIQUID RING VACUUM PUMPS AND COMPRESSORS
224 XVI CONTENTS 3.17 DRIVES FOR LIQUID RING MACHINES 226 3.17.1
ELECTRIC MOTOR DRIVE 216 3.17.2 HERMETIC DRIVE SYSTEMS 228 3.17.3
EXPLOSION PROTECTION ON CANNED MOTOR MACHINES ACCORDING TO THE EUROPEAN
STANDARD EN 224 3.17.4 DOUBLE WALLED SECURITY IN HERMETIC DRIVES (DWS)
226 3.17.5 CONTROL AND MONITORING DEVICES FOR MACHINES WITH DOUBLE
TUBE/DOUBLE CAN 227 3.18 COMPRESSION OF EXPLOSIBLE GAS-VAPOR MIXTURES
WITH LIQUID RING COMPRESSORS 231 3.19 SAFETY STANDARDS FOR ROTATING
MACHINES 232 3.20 CHARACTERISTICS AND FIELDS OF APPLICATIONS OF LIQUID
RING VACUUM PUMPS AND COMPRESSORS 234 4 VACUUM AND COMPRESSOR PLANTS
WITH LIQUID RING MACHINES 239 4.1 DEMANDS ON PUMP SYSTEMS IN PROCESS
ENGINEERING 239 4.2 BASIC COMBINATIONS OF LIQUID RING VACUUM PUMPS AND
EQUIPMENT IN COMPACT PLANTS 242 4.3 CONTROL OF LIQUID RING PUMPS AND
PUMP SYSTEMS 244 4.3.1 ELECTRONIC VACUUM CONTROL FOR DISTILLATION IN
LABORATORIES 246 4-3.2 LIQUID RING VACUUM PUMP SYSTEM WITH AUTOMATIC
SUCTION PRESSURE CONTROL 247 4.3.3 CONTROL OF COOLANT CONSUMPTION FOR
HEAT EXCHANGER AND IMMISSION COOLER 248 4.3.4 OPTIMAL EVACUATION WITH
LIQUID RING VACUUM PUMPS 250 4.4 PUMP UNIT DESIGNS AND POSSIBILITIES FOR
THE APPLICATION OF LIQUID RING MACHINES WITH DESIGN EXAMPLES 253 4.4.1
VACUUM SYSTEMS FOR CONDENSATE RECOVERY 253 4.4.2 PUMP SYSTEMS WITH
HERMETIC LIQUID RING VACUUM PUMPS AND COMPRESSORS 263 4.4.3 VACUUM PUMP
UNIT OF SPECIAL DESIGN FOR THE SUCTION OF POLLUTED PROCESS GASES 272
4.4.4 STEAM JET LIQUID RING VACUUM SYSTEM OF CORROSION-RESISTANT DESIGN
275 4.4.5 SELECTION OF APPLICATION EXAMPLES FOR LIQUID RING MACHINES 276
4.5 ELECTRIC HEATING AND INSULATION ON PUMPS AND PLANTS 279 4.6 NAMES
AND DEFINITIONS - VACUUM SYSTEMS, COMPONENTS AND EQUIPMENT 282 5
COMPONENTS FOR PUMP UNITS WITH LIQUID RING VACUUM PUMPS AND COMPRESSORS
289 5.1 GENERAL CRITERIA 289 5.2 LIQUID SEPARATORS 290 5.2.1 VESSEL
ARRANGEMENTS 292 5.3 AUXILIARY APPLIANCES FOR VESSELS AND PIPEWORK 293
CONTENTS XVII 5.3.1 INFLOW CONTROL UNIT 293 5.3.2 OUTFLOW CONTROL UNIT
293 5.3.3 INJECTION SEGMENTS 294 5.3.4 PURGING EQUIPMENT 294 5.3.5
AERATION AND VENTILATING FACILITIES 295 5.3.6 SIEVES FOR LIQUIDS 296 5.4
GAS CLEANING DEVICES 297 5.4.1 CHAMBER SEPARATOR 298 5.4.2 IMPACT PLATE
SEPARATOR 298 5.4.3 CENTRIFUGAL SEPARATOR 299 5.4.4 AERO-CYCLONES 300
5.4.5 FILTERS 300 5.5 HEAT TRANSFER DEVICES 302 5.5.1 HEAT TRANSITION
302 5.5.2 CONTAMINATION OF TRANSFER SURFACES 303 5.5.3 DESIGNS OF HEAT
EXCHANGERS 304 5.6 CONDENSERS 309 5.6.1 SURFACE CONDENSERS 320 5.6.2
CO-CONDENSERS 32 2 5.6.3 CONDENSATE DISCHARGE 322 5.6.4 EXHAUST GAS
CONDENSER 324 5.7 TEMPERATURE CONTROLLERS 325 5.8 FLOWMETERS 326 5.9
SHUT-OFF INSTRUMENTS 326 5.10 CHECK VALVES AND BALL CHECK VALVES 329
5.11 SAFETY VALVES 320 5.12 VACUUM VENTILATION VALVES 320 5.13 FLANGES
IN VACUUM TECHNOLOGY 322 5.14 FAST FLANGE CONNECTIONS, SMALL FLANGE
CONNECTIONS IN VACUUM TECHNOLOGY 323 5.15 SURFACE CONDITION OF SEALING
SURFACES 323 5.16 SEALING MATERIALS IN VACUUM TECHNOLOGY 325 5.17 VACUUM
GREASES 326 6 DESIGN OF VACUUM PUMPS AND PIPEWORK 332 6.1 LEAKAGES IN
VACUUM SYSTEMS 332 6.2 EVACUATION TIME AND SUCTION CAPACITY OF THE PUMP
332 6.2.1 GRAPHICAL DETERMINATION OF THE EVACUATION TIME OF VESSELS IN
THE ROUGH VACUUM RANGE 333 6.3 DETERMINATION OF SUCTION CAPACITY OF
VACUUM PUMPS FROM THE LEAKAGE OF THE VESSEL 335 6.3.1 LEAK RATE VALUES
IN PRACTICE 336 6.3.2 DETERMINATION OF THE LEAK RATE BY MEASURING ON AN
EXISTING PLANT 337 6.4 DETERMINATION OF THE PUMP SUCTION CAPACITY
ACCORDING TO THE APPARATUS VOLUME 338 XVIII CONTENTS 6.5 VACUUM LOSS OF
VESSELS WITH DIFFERENT DESIGNS 339 6.6 ARITHMETIC DETERMINATION OF
VOLUME FLOWS, MASS FLOWS AND PARTIAL PRESSURES 343 6.6.1 CALCULATION OF
GAS-VAPOR MIXTURES 343 6.7 FLOW VELOCITIES OF LIQUIDS, VAPORS AND GASES
346 7 ASSEMBLY AND TESTING OF VACUUM PUMPS AND SYSTEMS 352 7.1
INSTALLATION OF MACHINES AND DEVICES 352 7.2 PIPEWORK 351 7.2.1 GENERAL
NOTES REGARDING INSTALLATION 352 7.2.2 CLEANING OF THE PIPEWORK 352
7.2.3 CHARACTERIZATION OF THE PIPEWORK ACCORDING TO THE FLOW MEDIA 353
7.3 LEAKAGE TESTS AND PRESSURE TESTS OF DEVICES AND PIPEWORK IN THE
OVERPRESSURE RANGE 354 7.3.1 THE LEAK TEST 354 7.3.2 THE PRESSURE TEST
355 7.4 LEAK DETECTION METHODS ON COMPONENTS AND PLANTS IN THE RANGE OF
VACUUM AND OVERPRESSURE 357 7.4.1 THE LEAK DETECTION 358 7.4.2 LEAK
DETECTORS 358 7.4.3 INTEGRAL LEAK TEST 362 7.4.4 LEAK LOCALIZATION ON
TEST UNITS UNDER VACUUM OR WITH TEST GAS OVERPRESSURE 364 7.4.5 LEAK
TEST METHODS WITH HELIUM LEAK DETECTORS ON VACUUM PLANTS 365 7.4.6 TEST
LEAK 367 7.5 ACCEPTANCE AND PERFORMANCE TESTS ON LIQUID RING MACHINES
367 7.5.1 ACCEPTANCE RULES 367 7.5.2 SIMILAR EXPERIMENT ON LIQUID RING
VACUUM PUMPS 368 7.5.3 ACCEPTANCE TEST FOR LIQUID RING VACUUM PUMPS 369
7.6 ELECTRICAL COMPONENTS AND CABLES 372 7.7 INSULATION 372 7.8 PUTTING
INTO OPERATION 373 7.9 CLOSING DOWN 375 8 MATERIALS, SURFACE TREATMENT
AND SAFETY-AT-WORK IN VACUUM ENGINEERING 377 8.1 CRITERIA FOR THE
SELECTION OF MATERIALS 377 8.2 SURFACE TREATMENT 378 8.2.1 VACUUM
HYGIENE 378 8.2.2 CORROSION AND CORROSION PROTECTION 378 8.2.3 TREATMENT
OF METAL SURFACES FOR CORROSION PROTECTION BY MEANS OF INORGANIC COATS
380 8.2.4 FORMULAS FOR CHEMICAL OR ELECTROLYTIC PICKLING AND
ELECTROLYTIC POLISHING OF METALS 383 8.2.5 PAINT COATS 385 CONTENTS XIX
8.3 HEALTH AND SAFETY PROTECTION AT THE WORKPLACE DURING MAINTENANCE AND
OPERATION OF VACUUM PLANTS 387 8.3.1 DANGER THROUGH IMPLOSION 387 8.3.2
AUXILIARY MATERIALS FOR OPERATION AND MAINTENANCE OF VACUUM PUMPS AND
PLANTS 388 9 EXPLOSION PROTECTION AND EXPLOSION-PROOF ELECTRICAL
EQUIPMENT 392 9.1 GENERAL 392 9.2 DANGER OF EXPLOSION AND MEASURES TO
PREVENT THE IGNITION OF EXPLOSION-PRONE ATMOSPHERES 392 9.3 ZONING OF
EXPLOSION-PRONE AREAS 393 9.4 CLASSIFICATION OF EXPLOSION-PROOF
ELECTRICAL EQUIPMENT INTO THE MAIN GROUPS I AND II 393 9.5 IGNITION
PROTECTION CLASSES 396 9.6 TEMPERATURE CLASSES 397 9.7 STANDARDIZED
SYMBOLS FOR ELECTRICAL EQUIPMENT IN EXPLOSION-PRONE AREAS ACE. TO EN
50014 TO EN 50020 402 9.8 EXAMPLES OF EXPLOSION PROTECTION SYMBOLS 402
9.9 COMPARISON OF SYMBOLS FOR EXPLOSION PROTECTION AND FIREDAMP
PROTECTION ACCORDING TO THE OLD AND NEW STANDARD 404 9.10 PROTECTION
CLASSES ACE. TO DIN IEC 34, PART 5/VDE 0530, PART 5 406 9.11 MOTOR POWER
RATING 407 9.12 THREE-PHASE A.C. MOTORS IN VIK-DESIGN 408 9.13 ATEX
100A ACCORDING TO EU-DIRECTIVE 94/9/EG APPLICATION FOR LIQUID RING
VACUUM PUMPS 409 9.14 REGULATIONS OUTSIDE OF CENELEC MEMBER STATES 422
9.15 ELECTRIC MOTORS FOR EXPLOSION-PRONE AREAS ACE. TO THE AMERICAN
NEC-RULES 422 9.15.1 CLASSES AND HAZARDOUS LOCATIONS 422 9.15.2 GROUP
CLASSIFICATION 424 9.15.3 TEMPERATURES FOR CLASS I AND CLASS II IN
HAZARDOUS LOCATIONS 424 9.15.4 APPLICATION OF MOTORS ACCORDING TO
AMERICAN REGULATIONS 426 9.15.5 IDENTIFICATION OF MOTORS 427 9.15.6
PROTECTION CLASSES ACE. TO NEMA IN COMPARISON TO IEC 427 9.16
INTERNATIONALLY COMMON POWER SUPPLY SYSTEMS 428 10 APPENDIX 423 10.1
INTERNATIONAL SYSTEM OF UNITS (SI) 423 10.1.1 SI BASIC UNITS 423 10.1.2
DERIVED SI UNITS 423 10.1.3 ADDITIONAL SI UNITS 425 10.1.4 DECIMAL
MULTIPLES AND PARTS OF SI UNITS 426 10.1.5 UNITS OUTSIDE THE
INTERNATIONAL SYSTEM OF UNITS 426 10.2 UNITS OF MEASUREMENT AND THEIR
CONVERSION 428 10.3 SUMMARY OF PHYSICAL AND TECHNICAL UNITS 434 XX
CONTENTS 10.4 NATIONAL AND INTERNATIONAL STANDARDS, RECOMMENDATIONS AND
REGULATIONS 442 10.5 GRAPHICAL SYMBOLS USED IN THE VACUUM AND PROCESS
TECHNOLOGY 452 10.6 GRAPHICAL SYMBOLS AND CALL LETTERS FOR MEASURING
CONTROL AND REGULATION (MCR) IN PROCESS ENGINEERING 456 10.7 PHYSICAL
CALL VALUES OF LIQUIDS AND GASES 464 10.8 TABLES AND DIAGRAMS 470 INDEX
487
|
| adam_txt |
HELMUT BANNWARTH LIQUID RING VACUUM PUMPS, COMPRESSORS AND SYSTEMS
CONVENTIONAL AND HERMETIC DESIGN TRANSLATED BY CHRISTINE AHNER WILEY-
VCH WILEY-VCH VERLAG GMBH & CO. KGAA XIII CONTENTS FOREWORD VII PREFACE
IX PREFACE OF THE FIRST EDITION IN GERMAN LANGUAGE IN 1991 XI 1 GAS
PHYSICS AND VACUUM TECHNOLOGY 1 1.1 THE TERM "VACUUM" 1 1.2 APPLICATION
OF VACUUM TECHNOLOGY 1 1.2.1 BASIC OPERATIONS IN PROCESS ENGINEERING 2
1.2.2 BASIC FIELDS AND WORKED-OUT EXAMPLES FOR THE APPLICATION OF VACUUM
TECHNOLOGY 3 1.2.3 OVERVIEW OF THE MOST IMPORTANT VACUUM PROCESSES 6
1.2.4 BASIC DESIGNS OF APPARATUS FOR MASS TRANSFER AND MASS COMBINATION
7 1.2.5 LIMITS TO THE APPLICATION OF VACUUM IN PROCESS ENGINEERING 8 1.3
OPERATING RANGES AND MEASURING RANGES OF VACUUM 9 1.3.1 VACUUM PRESSURE
RANGES 9 1.3.2 VAPOR PRESSURE CURVE OF WATER IN VACUUM 9 1.3.3 VACUUM
OPERATION RANGES, TEMPERATURE PRESSURE TABLE 10 1.3.4 TOTAL PRESSURE
MEASURING 12 1.3.5 PRESSURE METERS 14 1.3.6 DEFINITION OF TERMS FOR
VACUUM MEASURING DEVICES 21 1.4 GAS FLOW AND VACUUM RANGES 23 1.4.1
VACUUM RANGES AND TYPES OF FLOW 23 1.4.2 MEAN FREE PATH 23 1.4.3
REYNOLDS NUMBER 25 1.4.4 GAS FLOW, SUCTION POWER, SUCTION CAPACITY 26
1.4.5 FLOW LOSSES IN PIPEWORK 28 1.4.6 EFFECTIVE SUCTION CAPACITY OF
VACUUM PUMPS 30 1.4.7 GAS-INFLOW AND OUTFLOW ON A VACUUM CHAMBER 32
1.4.8 PRACTICE ORIENTED APPLICATION OF THE GAS FLOW CALCULATION 34 1.5
PHYSICAL STATES OF MATTER 44 1.5.1 THE TERMS GASES, VAPORS, VACUUM 44
LIQUID RING VACUUM PUMPS, COMPRESSORS AND SYSTEMS. HELMUT BANNWARTH
COPYRIGHT 2005 WILEY-VCH VERLAG GMBH & CO. KGAA, WEINHEIM ISBN:
3-527-31249-8 XIV CONTENTS 1.5.2 PHYSICAL BASIC PRINCIPLES OF IDEAL
GASES 44 1.5.3 STANDARD TEMPERATURE AND PRESSURE 52 1.5.4 REAL GASES AND
VAPORS 53 1.5.5 PHASE TRANSITIONS AND THEIR DESCRIPTIONS 55 1.6 MIXTURES
OF IDEAL GASES 59 1.6.1 MASS COMPOSITION 59 1.6.2 MOLAR COMPOSITION . 60
1.6.3 VOLUMETRIC COMPOSITION 60 1.6.4 IDEAL GAS MIXTURES AND GENERAL
EQUATION OF GAS STATE 61 1.7 GAS MIXTURES AND THEIR CALCULATION 63 1.7.1
DENSITY OF AN IDEAL GAS MIXTURE 64 1.7.2 MOLAR MASS OF GAS MIXTURE 64
1.7.3 GAS CONSTANT OF AN IDEAL GAS MIXTURE 65 1.7.4 RELATION BETWEEN
MASS PROPORTIONS AND VOLUME PERCENTAGE 66 1.7.5 GAS LAWS AND THEIR
SPECIAL APPLICATION IN VACUUM TECHNOLOGY 68 1.8 DISCHARGE OF GASES AND
VAPORS 73 1.8.1 GENERAL STATE EQUATION OF GAS 73 1.8.2 REAL GAS FACTOR Z
74 1.8.3 GENERAL GAS CONSTANT 75 1.8.4 THE SPECIAL GAS CONSTANT
DEPENDING ON THE TYPE OF GAS 77 1.8.5 THERMAL STATE EQUATION FOR IDEAL
GASES 78 1.8.6 SUCTION OF DRY GASES AND SATURATED AIR-WATER VAPOR
MIXTURE BY LIQUID RING VACUUM PUMPS 79 1.8.7 GASES IN MIXTURES WITH
OVERHEATED VAPORS 97 1.8.8 CONDENSATION AND CAVITATION 100 1.9 CHANGE OF
GAS STATE DURING THE COMPRESSION PROCESS 100 1.9.1 THE ISOTHERMAL
COMPRESSION 101 1.9.2 THE ADIABATIC COMPRESSION 101 1.9.3 ADIABATIC
EXPONENT K 102 * - 1.9.4 ESPECIALLY DISTINGUISHED CHANGES OF STATE 104
1.10 NAMES AND DEFINITIONS IN VACUUM TECHNOLOGY 105 2 MACHINES FOR
VACUUM GENERATION 111 2.1 OVERVIEW OF VACUUM PUMPS ILL 2.2 DESCRIPTION
OF VACUUM PUMPS AND THEIR FUNCTIONING 111 2.2.1 GAS TRANSFER VACUUM
PUMPS 111 2.2.2 GAS BINDING VACUUM PUMPS 120 2.3 OPERATING FIELDS OF
PUMPS ACE. TO SUCTION PRESSURE 121 2.4 SUCTION PRESSURE AND SUCTION
CAPACITY OF DIFFERENT PUMP DESIGNS 123 2.5 USUAL DESIGNS AND
COMBINATIONS OF VACUUM PUMPS 124 2.5.1 SLIDING VANE VACUUM PUMP 124
2.5.2 MULTI CELL VACUUM PUMP 127 2.5.3 LIQUID RING VACUUM PUMP 129 2.5.4
ROTARY PLUNGER VACUUM PUMP 131 2.5.5 TROCHOIDAL VACUUM PUMP 131 CONTENTS
XV 2.5.6 ROOTS PUMP 133 2.5.7 JET PUMP 140 2.6 VACUUM PUMP UNITS AND
THEIR CONTROL 146 2.6.1 THE THREE PHASES OF EVACUATION 146 2.6.2 VACUUM
PUMPS IN SERIES 147 2.7 NAMES AND DEFINITIONS OF VACUUM PUMPS AND THEIR
ACCESSORIES 150 3 LIQUID RING VACUUM PUMPS AND LIQUID RING COMPRESSORS
157 3.1 LIQUID RING VACUUM PUMPS AND COMPRESSORS WITH RADIAL FLOW 257
3.2 LIQUID RING MACHINES WITH AXIAL FLOW 159 3.2.1. LIQUID RING PUMP
WITH LATERAL CHANNEL 159 3.2.2 LIQUID RING PUMP WITH ECCENTRIC SCREW
WHEEL 161 3.2.3 LIQUID RING MACHINES WITH ELLIPTIC CASING 162 3.2.4
LIQUID RING COMPRESSORS 163 3.2.5 LIQUID RING MACHINES WITH
ECCENTRICALLY INSTALLED IMPELLER 264 3.3 THE OPERATING LIQUID 277 3.3.1
INFLUENCE OF THE OPERATING TEMPERATURE OF THE RING LIQUID ON SUCTION
CAPACITY AND SUCTION PRESSURE OF THE PUMP 178 3.3.2 OPERATING BEHAVIOR
AT DIFFERENT DENSITIES OF THE OPERATING LIQUID 280 3.3.3 INFLUENCE OF
THE VISCOSITY OF THE OPERATING LIQUID ON THE DISCHARGE BEHAVIOR OF THE
PUMP 282 3.3.4 SOLUBILITY OF GASES IN THE OPERATING LIQUID 183 3.4 THE
QUANTITY OF OPERATING LIQUID 184 3.5 THE BEHAVIOR OF LIQUID RING VACUUM
PUMPS IN CASE OF LIQUID BEING CARRIED SIMULTANEOUSLY 286 3.6 THE
CARRYING OF CONTAMINANTS 287 3.7 THE CONDENSATION EFFECT 287 3.8
CHARACTERISTIC CURVES OF LIQUID RING MACHINES AT DIFFERENT COMPRESSION
PRESSURES AND SUCTION PRESSURES 289 3.9 THE SIMILARITY LAW FOR LIQUID
RING GAS PUMPS 289 3.10 PUMP PERFORMANCE AND POWER CONSUMPTION OF LIQUID
RING MACHINES 292 3.10.1 CHARACTERISTIC CURVES OF LIQUID RING VACUUM
PUMPS AND COMPRESSORS 293 3.11 CAVITATION 295 3.12 CAVITATION PROTECTION
296 3.13 GAS EJECTOR IN COMBINATION WITH THE LIQUID RING VACUUM PUMP 197
3.13.1 OPERATING RANGE OF A VACUUM PUMP WITH GAS EJECTOR 298 3.13.2
OPERATION MODE OF GAS EJECTORS 299 3.14 OPERATING MODES, SUPPLY OF
OPERATING LIQUID 202 3.14.1 OPERATION WITHOUT LIQUID RECIRCULATION
(FRESH LIQUID OPERATION) 203 3.14.2 OPERATION WITH LIQUID RECIRCULATION
(COMBINED OPERATION) 206 3.14.3 OPERATION WITH CLOSED CIRCULATION
(CIRCULATING LIQUID OPERATION) 208 3.15 MATERIALS FOR LIQUID RING
MACHINES 220 3.16 SEALING OF LIQUID RING VACUUM PUMPS AND COMPRESSORS
224 XVI CONTENTS 3.17 DRIVES FOR LIQUID RING MACHINES 226 3.17.1
ELECTRIC MOTOR DRIVE 216 3.17.2 HERMETIC DRIVE SYSTEMS 228 3.17.3
EXPLOSION PROTECTION ON CANNED MOTOR MACHINES ACCORDING TO THE EUROPEAN
STANDARD "EN" 224 3.17.4 DOUBLE WALLED SECURITY IN HERMETIC DRIVES (DWS)
226 3.17.5 CONTROL AND MONITORING DEVICES FOR MACHINES WITH DOUBLE
TUBE/DOUBLE CAN 227 3.18 COMPRESSION OF EXPLOSIBLE GAS-VAPOR MIXTURES
WITH LIQUID RING COMPRESSORS 231 3.19 SAFETY STANDARDS FOR ROTATING
MACHINES 232 3.20 CHARACTERISTICS AND FIELDS OF APPLICATIONS OF LIQUID
RING VACUUM PUMPS AND COMPRESSORS 234 4 VACUUM AND COMPRESSOR PLANTS
WITH LIQUID RING MACHINES 239 4.1 DEMANDS ON PUMP SYSTEMS IN PROCESS
ENGINEERING 239 4.2 BASIC COMBINATIONS OF LIQUID RING VACUUM PUMPS AND
EQUIPMENT IN COMPACT PLANTS 242 4.3 CONTROL OF LIQUID RING PUMPS AND
PUMP SYSTEMS 244 4.3.1 ELECTRONIC VACUUM CONTROL FOR DISTILLATION IN
LABORATORIES 246 4-3.2 LIQUID RING VACUUM PUMP SYSTEM WITH AUTOMATIC
SUCTION PRESSURE CONTROL 247 4.3.3 CONTROL OF COOLANT CONSUMPTION FOR
HEAT EXCHANGER AND IMMISSION COOLER 248 4.3.4 OPTIMAL EVACUATION WITH
LIQUID RING VACUUM PUMPS 250 4.4 PUMP UNIT DESIGNS AND POSSIBILITIES FOR
THE APPLICATION OF LIQUID RING MACHINES WITH DESIGN EXAMPLES 253 4.4.1
VACUUM SYSTEMS FOR CONDENSATE RECOVERY 253 4.4.2 PUMP SYSTEMS WITH
HERMETIC LIQUID RING VACUUM PUMPS AND COMPRESSORS 263 4.4.3 VACUUM PUMP
UNIT OF SPECIAL DESIGN FOR THE SUCTION OF POLLUTED PROCESS GASES 272
4.4.4 STEAM JET LIQUID RING VACUUM SYSTEM OF CORROSION-RESISTANT DESIGN
275 4.4.5 SELECTION OF APPLICATION EXAMPLES FOR LIQUID RING MACHINES 276
4.5 ELECTRIC HEATING AND INSULATION ON PUMPS AND PLANTS 279 4.6 NAMES
AND DEFINITIONS - VACUUM SYSTEMS, COMPONENTS AND EQUIPMENT 282 5
COMPONENTS FOR PUMP UNITS WITH LIQUID RING VACUUM PUMPS AND COMPRESSORS
289 5.1 GENERAL CRITERIA 289 5.2 LIQUID SEPARATORS 290 5.2.1 VESSEL
ARRANGEMENTS 292 5.3 AUXILIARY APPLIANCES FOR VESSELS AND PIPEWORK 293
CONTENTS XVII 5.3.1 INFLOW CONTROL UNIT 293 5.3.2 OUTFLOW CONTROL UNIT
293 5.3.3 INJECTION SEGMENTS 294 5.3.4 PURGING EQUIPMENT 294 5.3.5
AERATION AND VENTILATING FACILITIES 295 5.3.6 SIEVES FOR LIQUIDS 296 5.4
GAS CLEANING DEVICES 297 5.4.1 CHAMBER SEPARATOR 298 5.4.2 IMPACT PLATE
SEPARATOR 298 5.4.3 CENTRIFUGAL SEPARATOR 299 5.4.4 AERO-CYCLONES 300
5.4.5 FILTERS 300 5.5 HEAT TRANSFER DEVICES 302 5.5.1 HEAT TRANSITION
302 5.5.2 CONTAMINATION OF TRANSFER SURFACES 303 5.5.3 DESIGNS OF HEAT
EXCHANGERS 304 5.6 CONDENSERS 309 5.6.1 SURFACE CONDENSERS 320 5.6.2
CO-CONDENSERS 32 2 5.6.3 CONDENSATE DISCHARGE 322 5.6.4 EXHAUST GAS
CONDENSER 324 5.7 TEMPERATURE CONTROLLERS 325 5.8 FLOWMETERS 326 5.9
SHUT-OFF INSTRUMENTS 326 5.10 CHECK VALVES AND BALL CHECK VALVES 329
5.11 SAFETY VALVES 320 5.12 VACUUM VENTILATION VALVES 320 5.13 FLANGES
IN VACUUM TECHNOLOGY 322 5.14 FAST FLANGE CONNECTIONS, SMALL FLANGE
CONNECTIONS IN VACUUM TECHNOLOGY 323 5.15 SURFACE CONDITION OF SEALING
SURFACES 323 5.16 SEALING MATERIALS IN VACUUM TECHNOLOGY 325 5.17 VACUUM
GREASES 326 6 DESIGN OF VACUUM PUMPS AND PIPEWORK 332 6.1 LEAKAGES IN
VACUUM SYSTEMS 332 6.2 EVACUATION TIME AND SUCTION CAPACITY OF THE PUMP
332 6.2.1 GRAPHICAL DETERMINATION OF THE EVACUATION TIME OF VESSELS IN
THE ROUGH VACUUM RANGE 333 6.3 DETERMINATION OF SUCTION CAPACITY OF
VACUUM PUMPS FROM THE LEAKAGE OF THE VESSEL 335 6.3.1 LEAK RATE VALUES
IN PRACTICE 336 6.3.2 DETERMINATION OF THE LEAK RATE BY MEASURING ON AN
EXISTING PLANT 337 6.4 DETERMINATION OF THE PUMP SUCTION CAPACITY
ACCORDING TO THE APPARATUS VOLUME 338 XVIII CONTENTS 6.5 VACUUM LOSS OF
VESSELS WITH DIFFERENT DESIGNS 339 6.6 ARITHMETIC DETERMINATION OF
VOLUME FLOWS, MASS FLOWS AND PARTIAL PRESSURES 343 6.6.1 CALCULATION OF
GAS-VAPOR MIXTURES 343 6.7 FLOW VELOCITIES OF LIQUIDS, VAPORS AND GASES
346 7 ASSEMBLY AND TESTING OF VACUUM PUMPS AND SYSTEMS 352 7.1
INSTALLATION OF MACHINES AND DEVICES 352 7.2 PIPEWORK 351 7.2.1 GENERAL
NOTES REGARDING INSTALLATION 352 7.2.2 CLEANING OF THE PIPEWORK 352
7.2.3 CHARACTERIZATION OF THE PIPEWORK ACCORDING TO THE FLOW MEDIA 353
7.3 LEAKAGE TESTS AND PRESSURE TESTS OF DEVICES AND PIPEWORK IN THE
OVERPRESSURE RANGE 354 7.3.1 THE LEAK TEST 354 7.3.2 THE PRESSURE TEST
355 7.4 LEAK DETECTION METHODS ON COMPONENTS AND PLANTS IN THE RANGE OF
VACUUM AND OVERPRESSURE 357 7.4.1 THE LEAK DETECTION 358 7.4.2 LEAK
DETECTORS 358 7.4.3 INTEGRAL LEAK TEST 362 7.4.4 LEAK LOCALIZATION ON
TEST UNITS UNDER VACUUM OR WITH TEST GAS OVERPRESSURE 364 7.4.5 LEAK
TEST METHODS WITH HELIUM LEAK DETECTORS ON VACUUM PLANTS 365 7.4.6 TEST
LEAK 367 7.5 ACCEPTANCE AND PERFORMANCE TESTS ON LIQUID RING MACHINES
367 7.5.1 ACCEPTANCE RULES 367 7.5.2 SIMILAR EXPERIMENT ON LIQUID RING
VACUUM PUMPS 368 7.5.3 ACCEPTANCE TEST FOR LIQUID RING VACUUM PUMPS 369
7.6 ELECTRICAL COMPONENTS AND CABLES 372 7.7 INSULATION 372 7.8 PUTTING
INTO OPERATION 373 7.9 CLOSING DOWN 375 8 MATERIALS, SURFACE TREATMENT
AND SAFETY-AT-WORK IN VACUUM ENGINEERING 377 8.1 CRITERIA FOR THE
SELECTION OF MATERIALS 377 8.2 SURFACE TREATMENT 378 8.2.1 VACUUM
HYGIENE 378 8.2.2 CORROSION AND CORROSION PROTECTION 378 8.2.3 TREATMENT
OF METAL SURFACES FOR CORROSION PROTECTION BY MEANS OF INORGANIC COATS
380 8.2.4 FORMULAS FOR CHEMICAL OR ELECTROLYTIC PICKLING AND
ELECTROLYTIC POLISHING OF METALS 383 8.2.5 PAINT COATS 385 CONTENTS XIX
8.3 HEALTH AND SAFETY PROTECTION AT THE WORKPLACE DURING MAINTENANCE AND
OPERATION OF VACUUM PLANTS 387 8.3.1 DANGER THROUGH IMPLOSION 387 8.3.2
AUXILIARY MATERIALS FOR OPERATION AND MAINTENANCE OF VACUUM PUMPS AND
PLANTS 388 9 EXPLOSION PROTECTION AND EXPLOSION-PROOF ELECTRICAL
EQUIPMENT 392 9.1 GENERAL 392 9.2 DANGER OF EXPLOSION AND MEASURES TO
PREVENT THE IGNITION OF EXPLOSION-PRONE ATMOSPHERES 392 9.3 ZONING OF
EXPLOSION-PRONE AREAS 393 9.4 CLASSIFICATION OF EXPLOSION-PROOF
ELECTRICAL EQUIPMENT INTO THE MAIN GROUPS I AND II 393 9.5 IGNITION
PROTECTION CLASSES 396 9.6 TEMPERATURE CLASSES 397 9.7 STANDARDIZED
SYMBOLS FOR ELECTRICAL EQUIPMENT IN EXPLOSION-PRONE AREAS ACE. TO EN
50014 TO EN 50020 402 9.8 EXAMPLES OF EXPLOSION PROTECTION SYMBOLS 402
9.9 COMPARISON OF SYMBOLS FOR EXPLOSION PROTECTION AND FIREDAMP
PROTECTION ACCORDING TO THE OLD AND NEW STANDARD 404 9.10 PROTECTION
CLASSES ACE. TO DIN IEC 34, PART 5/VDE 0530, PART 5 406 9.11 MOTOR POWER
RATING 407 9.12 THREE-PHASE A.C. MOTORS IN VIK-DESIGN 408 9.13 "ATEX
100A" ACCORDING TO EU-DIRECTIVE 94/9/EG APPLICATION FOR LIQUID RING
VACUUM PUMPS 409 9.14 REGULATIONS OUTSIDE OF CENELEC MEMBER STATES 422
9.15 ELECTRIC MOTORS FOR EXPLOSION-PRONE AREAS ACE. TO THE AMERICAN
NEC-RULES 422 9.15.1 CLASSES AND HAZARDOUS LOCATIONS 422 9.15.2 GROUP
CLASSIFICATION 424 9.15.3 TEMPERATURES FOR CLASS I AND CLASS II IN
"HAZARDOUS LOCATIONS" 424 9.15.4 APPLICATION OF MOTORS ACCORDING TO
AMERICAN REGULATIONS 426 9.15.5 IDENTIFICATION OF MOTORS 427 9.15.6
PROTECTION CLASSES ACE. TO NEMA IN COMPARISON TO IEC 427 9.16
INTERNATIONALLY COMMON POWER SUPPLY SYSTEMS 428 10 APPENDIX 423 10.1
INTERNATIONAL SYSTEM OF UNITS (SI) 423 10.1.1 SI BASIC UNITS 423 10.1.2
DERIVED SI UNITS 423 10.1.3 ADDITIONAL SI UNITS 425 10.1.4 DECIMAL
MULTIPLES AND PARTS OF SI UNITS 426 10.1.5 UNITS OUTSIDE THE
INTERNATIONAL SYSTEM OF UNITS 426 10.2 UNITS OF MEASUREMENT AND THEIR
CONVERSION 428 10.3 SUMMARY OF PHYSICAL AND TECHNICAL UNITS 434 XX
CONTENTS 10.4 NATIONAL AND INTERNATIONAL STANDARDS, RECOMMENDATIONS AND
REGULATIONS 442 10.5 GRAPHICAL SYMBOLS USED IN THE VACUUM AND PROCESS
TECHNOLOGY 452 10.6 GRAPHICAL SYMBOLS AND CALL LETTERS FOR MEASURING
CONTROL AND REGULATION (MCR) IN PROCESS ENGINEERING 456 10.7 PHYSICAL
CALL VALUES OF LIQUIDS AND GASES 464 10.8 TABLES AND DIAGRAMS 470 INDEX
487 |
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| id | DE-604.BV020859304 |
| illustrated | Illustrated |
| index_date | 2024-07-02T13:22:29Z |
| indexdate | 2024-07-09T20:26:50Z |
| institution | BVB |
| isbn | 9783527312498 3527312498 |
| language | English German |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-014180881 |
| oclc_num | 58829657 |
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| owner | DE-91G DE-BY-TUM DE-29T DE-1102 DE-634 |
| owner_facet | DE-91G DE-BY-TUM DE-29T DE-1102 DE-634 |
| physical | XX, 492 S. Ill., graph. Darst. 25 cm |
| publishDate | 2005 |
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| publisher | Wiley-VCH |
| record_format | marc |
| spelling | Bannwarth, Helmut Verfasser aut Technisches Handbuch Flüssigkeitsring-Vakuumpumpen, -Kompressoren und -Anlagen Liquid ring vacuum pumps, compressors and systems conventional and hermetic design Helmut Bannwarth. Transl. by Christine Ahner Weinheim Wiley-VCH 2005 XX, 492 S. Ill., graph. Darst. 25 cm txt rdacontent n rdamedia nc rdacarrier Literaturangaben Vacuum technology Flüssigkeitsringverdichter (DE-588)4231263-2 gnd rswk-swf Flüssigkeitsringvakuumpumpe (DE-588)4231262-0 gnd rswk-swf Flüssigkeitsringvakuumpumpe (DE-588)4231262-0 s DE-604 Flüssigkeitsringverdichter (DE-588)4231263-2 s HEBIS Datenaustausch Darmstadt application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014180881&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Bannwarth, Helmut Liquid ring vacuum pumps, compressors and systems conventional and hermetic design Vacuum technology Flüssigkeitsringverdichter (DE-588)4231263-2 gnd Flüssigkeitsringvakuumpumpe (DE-588)4231262-0 gnd |
| subject_GND | (DE-588)4231263-2 (DE-588)4231262-0 |
| title | Liquid ring vacuum pumps, compressors and systems conventional and hermetic design |
| title_alt | Technisches Handbuch Flüssigkeitsring-Vakuumpumpen, -Kompressoren und -Anlagen |
| title_auth | Liquid ring vacuum pumps, compressors and systems conventional and hermetic design |
| title_exact_search | Liquid ring vacuum pumps, compressors and systems conventional and hermetic design |
| title_exact_search_txtP | Liquid ring vacuum pumps, compressors and systems conventional and hermetic design |
| title_full | Liquid ring vacuum pumps, compressors and systems conventional and hermetic design Helmut Bannwarth. Transl. by Christine Ahner |
| title_fullStr | Liquid ring vacuum pumps, compressors and systems conventional and hermetic design Helmut Bannwarth. Transl. by Christine Ahner |
| title_full_unstemmed | Liquid ring vacuum pumps, compressors and systems conventional and hermetic design Helmut Bannwarth. Transl. by Christine Ahner |
| title_short | Liquid ring vacuum pumps, compressors and systems |
| title_sort | liquid ring vacuum pumps compressors and systems conventional and hermetic design |
| title_sub | conventional and hermetic design |
| topic | Vacuum technology Flüssigkeitsringverdichter (DE-588)4231263-2 gnd Flüssigkeitsringvakuumpumpe (DE-588)4231262-0 gnd |
| topic_facet | Vacuum technology Flüssigkeitsringverdichter Flüssigkeitsringvakuumpumpe |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014180881&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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