The first section of the basic properties of dust parameters 1
I. Classification and characteristics of dust 1
Second, the density of dust 2
Three. Particle size and composition of dust 4
Four. Dust adhesion and angle of repose 10
Verb (abbreviation of verb) explosive limit of combustible dust 14
VI. Friction performance of dust 14
Seven, dust specific resistance 15
Basic gas property parameters in the second quarter 17
I composition and characteristics of air 17
Second, the meaning of air physical parameters 17
III. Main physical data of air 2 1
Four, flammable gas explosion limit 25
Section 3 Common Tables 28
I. Calculation of Common Geometry 28
Second, the welding symbol 29
Three. Meteorological data 34
The fourth quarter commonly used metal materials 39
I. Properties of Common Metal Materials 39
Two. Rod and profile 45
Three. Steel pipe 63
Four, steel plate, steel belt, steel mesh, steel grating 65
Verb (abbreviation of verb) fastener 70
The second chapter dust removal engineering design standard 78
The first section environmental protection legal system 78
I. Legal system of environmental protection
Two. Environmental standard classification 79
Three. Legal liability 79
Section 2 Ambient Air Quality Standard 80
I. Ambient air quality standard 80
Two. National occupational health standard 8 1
In the third quarter dust emission standards 83
I. Integrated Emission Standard for Air Pollutants 83
Second, the boiler air pollutant emission standard 85
Three. Emission standard of air pollutants for industrial furnaces
Four, the thermal power plant air pollutant emission standard 90
Five, coke oven air pollutant discharge standard 9 1
Six, the cement industry air pollutant emission standards 93
Seven, the coal industry pollutant emission standards 94
Eight, the iron and steel industry air pollutant emission limit 95
Nine, domestic waste incineration pollution control standard 99
X. Discharge limit of pollutants from hazardous waste incineration 100.
The fourth section noise and vibration standard 102
A, acoustic environment quality standard 102
Second, the industrial enterprise boundary environmental noise standard 103
Iii. Noise limit of industrial ventilator 104
Four. Urban Regional Environmental Vibration Standard 104
Verb (abbreviation of verb) mechanical vibration intensity 105
Chapter III Dust Source Control and Design of Gas Gathering and Dust Collecting Cover 107
Section 1 Classification and Working Mechanism of Gas Gathering and Dust Removing Hoods 107
I. Classification of Gas Gathering and Dust Removing Hoods 107
Second, the mechanism of gas collection and dust hood 107
Section 2 Design of Gas Gathering and Dust Collecting Hood 1 10
1. Design principle of gas gathering and dust removal cover 1 10
Second, the closed gas collection and dust removal cover 1 1
Three. Cabinet-type gas collection and dust collection hood 1 14
Four. External gas collection and dust suction hood 1 18
Verb (abbreviation of verb) Blow-and-suction gas-collecting dust cover 125
VI. Roof Gas Gathering Dust Hood 127
In the third quarter, the displacement of production equipment is 129.
I. Smoke and pollutants from fuel combustion 130.
Second, the smoke exhaust of smelting equipment is 134.
Three. Exhaust air volume of grinding and crushing equipment 136
Four. Exhaust air volume of transportation equipment 139
Five, feeding and chute exhaust air volume 144
Six, woodworking equipment exhaust 147
Seven, other equipment exhaust air volume 150
The fourth quarter dust source control without cover 15 1
I. Dust Control in Workshop 152
Second, the outdoor electrostatic dust suppression device 156
Three. Dust control in raw material storage yard 156
Four, tailings dust control 157
Chapter IV Design and Selection of Dust Collector 158
The first section dust collector working mechanism and performance 158
I. Working Mechanism and Classification of Dust Collector 158
Second, the main performance index of the dust collector is 159.
Iii. Selection point of dust collector 160
Section 2 Selection and Design of Mechanical Dust Collector 163
I. Structure and Design Points of Gravity Dust Collector 163
Second, the structure and selection of inertial dust collector
Calculation 165
The third quarter cyclone 168
I. Classification and Characteristics of Cyclone 168
Second, the cyclone dust collector selection principles and steps 17 1
III. Ordinary Cyclone 172
Four, shaped cyclone 176
V. Combined cyclone separator 180
Six, cyclone dust collector wear measures 188
The fourth quarter bag filter 19 1
I. Classification and nomenclature of bag filter 192
Second, the bag filter selection calculation 195
Three. Performance and selection of filter media 197
Four, simple bag filter design 206
Five, mechanical vibration bag filter 207
Six, back-blowing bag filter 2 10
Seven, pulse jet bag filter 229
Eight, filter cartridge dust collector 257
Nine, plastic burning plate dust collector 259
Explosion-proof design of X.262 bag filter
Section 5 Electrostatic Precipitator 265
A, the characteristics and classification of electrostatic precipitator 266
Second, the selection calculation of electrostatic precipitator 267
III. GL Tubular Electrostatic Precipitator 273
Four, GD series tube electrode electrostatic precipitator 274
Five, SHWB series electrostatic precipitator 278
6. CDPK Wide Spacing Electrostatic Precipitator 278
Seven, SZD type combined electrostatic precipitator 283
Eight, wet tube electrostatic precipitator 283
Nine, drum electrostatic precipitator 286
Ten, electrostatic precipitator power supply design 290
Section 6 Wet Dust Collector 292
A, the characteristics of wet dust collector 292
Second, the spray washing tower 293
Three, water bath dust collector 294
Four, water film dust collector 295
Verb (abbreviation of verb) foam dust collector 296
Six, horizontal cyclone water film dust collector 296
Seven, pulse dust removal device 298
Eight, granite water film dust collector 302
Nine, Venturi dust collector 305
X.SX wet dust removal device 307
Section 7 Retrofitting Design of Dust Collector 3 1 1
First, the transformation design principle 3 1 1
The second is to transform the back-blowing bag filter into a pulse bag filter.
Vacuum cleaner 3 12
Three, electrostatic precipitator into the bag filter 3 13
Fourthly, the electrostatic precipitator is transformed into electric bag composite dust removal.
Vacuum cleaner 3 14
Chapter 5 Design of Ash Handling and Unloading Device and Lubrication System 3 16
Section 1 Working principle and classification of ash conveying and unloading device 3 16
I. Working principle of ash conveying and unloading device 3 16
Two. Classification and main performance of ash conveying and unloading device 3 17
Mechanical transportation of dust in the second quarter 3 17
I. Dust removal and exhaust device 3 17
Second, the screw conveyor 323
Third, the scraper conveyor 334
Four, bucket elevator 347
Verb (abbreviation of verb) Belt conveyor 355
Six, powder loading and unloading tank car 357
The third throttle delivers dust 360.
I. Pneumatic conveying system 360
Two. 37 1
3. Pneumatic chute 374
The fourth quarter dust treatment and recovery of 377
A, dust treatment and recycling design considerations 377
Second, the method of dealing with dust 377
Three. Ash storage box 383
Section 5 Lubrication System Design 383
A, the meaning of lubrication 383
Second, the lubrication system composition and pipeline design 383
Three, the oil pump lubrication parts of oil consumption calculation and lubrication.
Select 385
IV. Calculation of Lubricant and Pressure Loss 386
The sixth chapter dust removal system design 389
The first section dust removal system design points 389
A, dust removal system composition 389
Second, the classification and characteristics of dust removal system 389
Three, dust removal system design points 392
In the second quarter dust removal pipeline materials and components 396
A, pipeline ordinary material 396
Second, the pipeline wear-resistant material 397
Three. Ordinary pipe parts 399
Four, dust removal pipeline valve 403
The third quarter dust removal system design calculation 4 14
I. Design and calculation steps of dust removal system 4 14
Second, the determination of gas velocity in the pipeline 4 14
Three, dust removal pipe diameter and gas flow
Calculation 4 15
Four. Calculation of resistance loss of pipeline 4 15
Verb (abbreviation of verb) Determination of equipment resistance 435
Six, dust removal system pressure distribution 463
Seven, the choice of dust removal system ventilator 463
Section 4 Design of Exhaust Chimney 465
A, chimney design considerations 466
Second, the chimney smoke capacity calculation 466
Three, chimney size calculation 467
Four, the choice of chimney height 468
Verb (abbreviation of verb) 469 chimney auxiliary facilities
The fifth section dust removal system safety protection design 470
I. Platforms, ladders and lighting 470
Second, the seismic reinforcement 470
Iii. Lightning protection and antistatic 47 1
Four, fire and explosion protection 472
Chapter VII High Temperature Flue Gas Cooling and Pipeline Design 476
The first section characteristics of high temperature flue gas 476
I. Characteristics of High Temperature Flue Gas 476
Second, the high temperature flue gas dew point 479
In the second quarter high temperature flue gas cooling 480
I. Classification and characteristics of cooling methods 480
Second, the suction direct cooling 482
Three, spray direct cooling 484
Four, indirect cooler heat transfer calculation 493
Verb (abbreviation of verb) indirect air cooling 494
Six, indirect water cooling 503
In the third quarter, high temperature flue gas pipeline expansion compensation 506
I. Calculation of Pipeline Expansion and Elongation 506
Second, the high temperature pipeline expansion compensation 506
3. Flexible material compensator 5 10
Four. Waveform compensator 5 14
Verb (abbreviation of verb) roller compensator 5 17
Matters needing attention in the selection of intransitive verb compensator 5 19
Section IV Configuration of High-temperature Flue Gas Pipe Support and
Calculate 5 19
I. Precautions for Pipe Support Layout 5 19
Second, the pipeline support thrust calculation 52 1
Three. Calculation of pipeline span 522
Four, the pipeline torsion calculation 523
Verb (abbreviation of verb) pipe support 526
Chapter VIII Fan 528
Section 1 Classification and Model 528 of Ventilator
I. Classification and Naming of Ventilators 528
Second, the ventilator model and specification 528
Three, the fan drive mode and tuyere position 530
The main performance parameters of the ventilator in the second quarter are 53 1
I. Main performance parameters 53 1
Second, the fan characteristic curve 534
In the third quarter commonly used dust removal ventilator 537
A, dust commonly used ventilator 538
Two or four? Model 72 centrifugal fan 538
Third, G4? 73、Y4？ Model 73 Ventilation and Induced Draft Fan 543
Four, nine? Type19,9? Type 26 ventilator 547
Section 4 Selection of Ventilator and Design of Room Layout 565
A, fan selection principle 565
Second, the fan selection calculation and matters needing attention 566
Third, the reasonable arrangement of the inlet and outlet air duct of the ventilator 567
Four, the computer room layout design 569
Section 5 Motor 57 1
A, motor classification and model 57 1
Second, the motor shell protection level 572
Three-phase asynchronous motor technical parameters and
Select 574
Section 6 Fan Work in Dust Removal System 580
A, the work of the ventilator in the dust removal system 580
Second, the joint work of ventilator 58 1
Three, the adjustment of the fan damper 583
Four, the hydraulic coupler 585
Verb (abbreviation of verb) regulates frequency converter 589
Six, electromagnetic speed regulating motor 598
Seven. Calculation of V-belt drive 60 1
VIII. Fan Regulating Valve Remote Actuator 604
Chapter 9 Paint and insulation design of dust removal equipment 606
The first section paint derusting 606
A, derusting grade division 606
Second, the main method of derusting 607
Third, the determination of derusting grade 609
In the second quarter painting design 609
I. Matters needing attention in coating design 6 10
Second, the characteristics and selection of common coatings 6 10
Iii. Key points of painting design and engineering examples 6 13
Four, painting construction method and morbid prevention 6 15
Verb (abbreviation of verb) External anticorrosion design of buried pipeline 19
Intransitive verb Chimney 62 1 Anti-corrosion Design
In the third quarter, thermal insulation material performance 622
I. Principles of insulation setting 622
Second, the types and properties of thermal insulation materials 622
Third, the choice of thermal insulation materials and auxiliary materials 627
Four, the choice of protective layer material 629
The fourth quarter insulation design and thermal calculation 629
A, the design and calculation of insulation layer thickness 629
Second, the design and selection of thermal insulation structure 639
Three, the insulation layer and auxiliary material dosage calculation 64 1
IV. Insulation Structure 642
The fifth section dust removal engineering heat tracing design 645
I. Key points of heat tracing design 645
Second, the steam tracing design 646
Third, hot water tracing design 649
Four, electric heat tracing design 649
Chapter 10 Noise elimination and vibration reduction design of dust removal engineering 653
Section 1 Sound Absorbing Materials and Structures 653
I. Noise assessment and measurement 653
Second, the basic operation of the noise level 655
Three, commonly used sound absorption materials 657
Four, commonly used sound absorption structure 660
In the second quarter, the design and selection of muffler device 663
A, the type of muffler 663
Second, the design of muffler 664
Three, commonly used fan muffler and its selection 669
Four, the design of the sound insulation cover 673
Verb (abbreviation of verb) 687 Design of sound insulation room
Section 3 Vibration Reduction Design 689
A, vibration reduction design considerations 689
Second, the vibration reduction design scheme 689
Third, the fan vibration isolation design 690
IV. Pipeline Vibration Isolation Design 69 1
Section IV Vibration Damping Assembly 694
I. Types and Selection Points of Shock Absorbers 694
Second, the damping spring damper 695
Three. Rubber isolator 70 1
Chapter 11 Automatic control design of dust removal system 709
The first section of dust removal system automatic control composition 709
A, dust removal system automatic control characteristics 709
Second, the automatic control system composition 709
Common instruments in dust removal engineering in the second quarter 7 10
I. Temperature Instrument 7 10
Second, the pressure instrument 7 18
Third, the dust level gauge 726
Four, differential pressure transmitter 73 1
Section III Programmable Controller 734
A, the basic structure of the programmable controller 734
Second, the main functions and characteristics of the programmable controller 735
Three, programmable controller selection 737
The fourth quarter dust removal system automatic control design 740
A, dust removal system automatic control design considerations 740
Second, the automatic control of pulse bag dust removal system 740
Three, the electric dust removal system automatic control 745
Chapter 12 Test and adjustment of dust removal system 748
The first section dust removal system test 748
I. Test items and conditions 748
Second, the selection of sampling position and the determination of test points 749
Third, the gas parameter test 752
Four. Performance test of 763 gas gathering and dust removal hood
Verb (abbreviation of verb) 765 Performance test of dust collector
Six, fan performance test 774
Seven. Measurement of vibration and noise 778
Commissioning and acceptance of dust removal project in the second quarter 78 1
A, dust removal engineering debugging preparation 78 1
Second, the debugging adjustment test 783
Third, the project acceptance 786
In the third quarter, the dust removal system air volume adjustment 788
A, air volume adjustment preparation 788
Second, the basic principle of air volume regulation of dust removal system 789
Three. Test content and method 789
Four, air volume adjustment matters needing attention 790
Reference 792