Category: Pneumatic Conveying

When a Stepped-Bore Pipeline Is Worth Considering with a Roots Blower

A stepped-bore pipeline increases internal diameter at one or more…
Managing Simultaneous Material and Route Changes in Roots Blower Conveying

Material and route changes in roots blower conveying: reliable decisions…
Debottlenecking an Existing Pneumatic Conveying Line with Roots Blower Data

Debottlenecking an existing pneumatic conveying line: the evaluation begins with…
Converting Pneumatic Conveying Test Data into a Gated Roots Blower RFQ

Pneumatic conveying test data: a defensible assessment must connect process…
Governing Pneumatic Conveying Calculations for a Roots Blower Project

Pneumatic conveying calculations: reliable decisions depend on stated operating conditions,…
Managing Pipeline Surface-Condition Drift in Pneumatic Conveying with Roots Blowers

Managing pipeline surface-condition drift begins with defined process conditions, material…
Translating Vertical Conveying Routes into a Roots Blower Duty

Vertical conveying routes: a defensible assessment must connect process data,…
Building a Bend Pressure Budget for Roots Blower Pneumatic Conveying

Bend pressure budget: reliable decisions depend on stated operating conditions,…
Using Pipe-Area Scaling as a First Screen for Roots Blower Conveying Capacity

Pipe-area scaling: the evaluation begins with defined process conditions, material…
Knowing When Pneumatic Conveying Distance Extrapolation Is No Longer Reliable

Pneumatic conveying distance extrapolation: a defensible assessment must connect process…
Qualifying Pneumatic Conveying Data Before Roots Blower Scale-Up

Pneumatic conveying data before roots blower scale-up: reliable decisions depend…
Scaling Pilot-Test Data for a Roots Blower Plant Pipeline

Pilot-test data for a roots blower plant pipeline: the evaluation…
Technical Selection Record for a Roots Blower Conveying Package

Roots blower conveying package: a defensible assessment must connect process…
Comparing Pipeline Options by Roots Blower Energy Demand

Roots blower energy demand: reliable decisions depend on stated operating…
Comparing Roots Blower Conveying Alternatives with Design Curves

Roots blower conveying alternatives: the evaluation begins with defined process…
Operating One Roots Blower Conveying Line with Multiple Materials

Roots blower conveying line with multiple materials: a defensible assessment…
Converting the Roots Blower Pressure Limit into a Conveying Capacity Limit

Roots blower pressure limit: reliable decisions depend on stated operating…
Pipeline Bore Selection for Roots Blower Conveying: Balancing Airflow and Pressure

Pipeline bore is not only a mechanical-layout decision. It controls…
How Conveying Distance Changes Roots Blower System Capacity

Roots blower system capacity: a defensible assessment must connect process…
Comparing Five Design Variables in Roots Blower Conveying

Five design variables in roots blower conveying: reliable decisions depend…
A System-Selection Workflow for Positive-Pressure Roots Blower Conveying

System-selection workflow: the evaluation begins with defined process conditions, material…
Managing Material-Grade Changes in Roots Blower Conveying

Material-grade changes in roots blower conveying: a defensible assessment must…
Pressure-Minimum Curves and Roots Blower Feasibility

Pressure-minimum curves: reliable decisions depend on stated operating conditions, material…
Using High-Pressure Test Data in a Low-Pressure Roots Blower Project

High-pressure test data: the evaluation begins with defined process conditions,…
Establishing Material-Specific Minimum Velocity for Roots Blower Conveying

Material-specific minimum velocity: a defensible assessment must connect process data,…
Comparing Bulk-Material Response in Low-Pressure Roots Blower Conveying

Low-pressure roots blower conveying: reliable decisions depend on stated operating…
Defining a Conveying Capability Envelope for a Roots Blower Project

Conveying capability envelope: the evaluation begins with defined process conditions,…
Mapping Component Pressure Loss in Roots Blower Conveying Lines

Component pressure loss in roots blower conveying lines: a defensible…
Specific Energy to Benchmark Roots Blower Conveying

Specific energy to benchmark Roots blower conveying: reliable decisions depend…
Planning Material Trials for a Roots Blower Pneumatic Conveying System

Material trials for a roots blower pneumatic conveying system: the…
Defining the Gas-Solid Operating Window for Roots Blower Conveying

Gas-solid operating window: a defensible assessment must connect process data,…
Separating Air-Only and Solids Pressure in Pneumatic Conveying

Air-only and solids pressure: reliable decisions depend on stated operating…
Reading Pneumatic Conveying Characteristics for Roots Blower Selection

Pneumatic conveying characteristics describe how a specific bulk material behaves…
Fixed Orifices and Airflow Control in Roots Blower Systems

Airflow control in roots blower systems: a defensible assessment must…
Venturi Feeder Pressure Margin in Roots Blower Conveying

Venturi feeder pressure margin: reliable decisions depend on stated operating…
Calculating Air-Only Pressure Loss in Pneumatic Conveying Lines

Air-only pressure loss is the pressure consumed by moving conveying…
Building an Air-Only System Curve for Roots Blower Selection

An air-only system curve shows the pressure required to move…
Using Air Mass Flow to Compare Pneumatic Conveying Duties

Volumetric airflow changes as pressure and temperature change. Air mass…
Altitude Correction for Positive-Pressure Roots Blower Conveying

Altitude correction for positive-pressure roots blower conveying: the evaluation begins…
Temperature Correction of Pneumatic Conveying Airflow

Temperature correction of pneumatic conveying airflow: a defensible assessment must…
Pipeline Purging and Product Changeover with Roots Blowers

Pipeline purging and product changeover: reliable decisions depend on stated…
Locating Diameter Steps in Pneumatic Conveying Pipelines

Diameter steps in pneumatic conveying pipelines: the evaluation begins with…
Absolute and Gauge Pressure in Roots Blower Conveying Calculations

Absolute and gauge pressure: a defensible assessment must connect process…
Volumetric Airflow Reference Conditions in Pneumatic Conveying

Airflow reference conditions: reliable decisions depend on stated operating conditions,…
Evaluating Conveying Air Demand Before Roots Blower Selection

Conveying air demand: the evaluation begins with defined process conditions,…
Pipeline Isolation and Diversion Valves for Roots Blower Conveying

Pipeline isolation and diversion valves: a defensible assessment must connect…
Specifying Pneumatic Conveying Pipework for a Roots Blower Project

Pneumatic conveying pipework: reliable decisions depend on stated operating conditions,…
Receiver Filters for Positive-Pressure Roots Blower Conveying

Receiver filters for positive-pressure roots blower conveying: the evaluation begins…
Cyclone Separators in Roots Blower Pneumatic Conveying Systems

Cyclone separators in roots blower pneumatic conveying: a defensible assessment…
Roots Blower Power and Motor Selection for Pneumatic Conveying

Roots blower power and motor selection: reliable decisions depend on…
Managing Roots Blower Discharge-Air Quality for Pneumatic Conveying

Roots blower discharge-air quality: the evaluation begins with defined process…
Selecting an Air Mover for Pneumatic Conveying: Where Roots Blowers Fit

Air mover for pneumatic conveying: a defensible assessment must connect…
Roots Blower Pressure Ratio and Discharge Temperature in Pneumatic Conveying

Roots blower pressure ratio: reliable decisions depend on stated operating…
Roots Blower Operation in Positive-Pressure Pneumatic Conveying

Roots blower operation: the evaluation begins with defined process conditions,…
Fans vs Roots Blowers for Pneumatic Conveying

Fans vs roots blowers is a duty-point decision, not a…
Suction Nozzles vs Positive-Pressure Feeders in Pneumatic Conveying

Positive-pressure feeders: reliable decisions depend on stated operating conditions, material…
Venturi Feeders in Low-Pressure Pneumatic Conveying

Venturi feeders in low-pressure pneumatic conveying: the evaluation begins with…
Screw Feeders for Low-Pressure Roots Blower Conveying

Screw feeders for low-pressure roots blower conveying: a defensible assessment…
Rotary Valve Feed Rate: Why Pocket Volume Is Not Enough

Rotary valve feed rate: reliable decisions depend on stated operating…
Rotary Valve Rotor Selection for Pneumatic Conveying

Rotary valve rotor selection: the evaluation begins with defined process…
Rotary Valve Air Leakage and Roots Blower Capacity

Rotary valve air leakage: a defensible assessment must connect process…
Rotary Airlock Valves in Roots Blower Conveying Systems

Rotary airlock valves: reliable decisions depend on stated operating conditions,…
Comparing Feeders for Low-Pressure Pneumatic Conveying

Feeders for low-pressure pneumatic conveying: the evaluation begins with defined…
Feeder Pressure-Sealing Requirements in Positive-Pressure Conveying

Feeder pressure-sealing requirements: a defensible assessment must connect process data,…
Terminal Pneumatic Unloading for Road Tankers and Rail Wagons

Terminal pneumatic unloading: reliable decisions depend on stated operating conditions,…
Extending an Existing Pneumatic Conveying Line: Recheck the Roots Blower

Existing pneumatic conveying line: the evaluation begins with defined process…
Pneumatic Conveying Route Survey for Roots Blower Duty Calculation

A pneumatic conveying route survey converts a plant layout into…
Validating Pneumatic Conveying Throughput Before Blower Selection

Pneumatic conveying throughput is the mass of solids delivered in…
Industrial Bulk Materials Suited to Positive-Pressure Pneumatic Conveying

Industrial bulk materials: the evaluation begins with defined process conditions,…
Material Properties That Change Roots Blower Conveying Duty

Roots blower conveying duty: a defensible assessment must connect process…
Multi-Route Pneumatic Conveying Requirements for Roots Blower Selection

Multi-route pneumatic conveying: reliable decisions depend on stated operating conditions,…
Air-Assisted Gravity Conveyors: When a Roots Blower Fits

Air-assisted gravity conveyors: the evaluation begins with defined process conditions,…
Auxiliary-Air and Bypass-Line Pressure Loss in Pneumatic Conveying

Bypass-line pressure loss: a defensible assessment must connect process data,…
Low-Velocity Assisted Pneumatic Conveying: Roots Blower Feasibility

Low-velocity assisted pneumatic conveying: reliable decisions depend on stated operating…
Closed-Loop Positive-Pressure Pneumatic Conveying with Roots Blowers

Closed-loop positive-pressure pneumatic conveying: the evaluation begins with defined process…
Mobile Bulk Tanker Pneumatic Conveying with Roots Blowers

Mobile bulk tanker pneumatic conveying: a defensible assessment must connect…
Batch Pneumatic Conveying: When a Roots Blower Is Suitable

A batch pneumatic conveying system transfers defined quantities according to…
Multi-Stage Positive-Pressure Pneumatic Conveying with Separate Roots Blowers

Multi-stage positive-pressure pneumatic conveying: the evaluation begins with defined process…
Open Positive-Pressure Pneumatic Conveying with Roots Blowers

An open positive-pressure pneumatic conveying system draws ambient air into…
Positive-Pressure Pneumatic Conveying System Types for Roots Blowers

Positive-pressure pneumatic conveying system types: reliable decisions depend on stated…
Pneumatic Conveying Pipe Materials and Linings for Roots Blower Systems

Pneumatic conveying pipe materials: the evaluation begins with defined process…
Stepped-Bore Pipelines for Low-Pressure Pneumatic Conveying

Stepped-bore pipelines: a defensible assessment must connect process data, material…
Conveying-Air Velocity in Roots Blower Systems

Conveying-air velocity: reliable decisions depend on stated operating conditions, material…
Plug-Type Pneumatic Conveying: Material Suitability and Roots Blower Limits

Plug-type pneumatic conveying moves bulk solids as concentrated structures that…
Identifying Flow Regimes in Roots Blower Pneumatic Conveying

Flow regimes in roots blower pneumatic conveying: a defensible assessment…
Pipeline Bend Design for Roots Blower Pneumatic Conveying

Pipeline bend design: reliable decisions depend on stated operating conditions,…
Material Feeding into Roots Blower Pneumatic Conveying Lines

Material feeding into roots blower pneumatic conveying: the evaluation begins…
Measuring and Interpreting Slip Velocity in Pneumatic Conveying

Slip velocity in pneumatic conveying: a defensible assessment must connect…
Air-Only Testing of Positive-Pressure Pneumatic Conveying Lines

Air-only testing: reliable decisions depend on stated operating conditions, material…
Converting Roots Blower Airflow into Pipeline Inlet Velocity

Pipeline inlet velocity: the evaluation begins with defined process conditions,…
Pneumatic Conveying Capacity: Matching Solids Rate, Pipe Bore and Blower Duty

Pneumatic conveying capacity is the sustainable solids throughput that a…
Roots Blower Selection for Vertical Pneumatic Conveying Lines

Vertical pneumatic conveying lines: the evaluation begins with defined process…
Long-Distance Pneumatic Conveying: Checking Roots Blower Feasibility

Long-distance pneumatic conveying is not defined by a universal number…
High-Pressure Pneumatic Conveying: Why a Roots Blower May Not Fit

The term “high-pressure pneumatic conveying” is often used for systems…
Pneumatic Conveying Distance Limits with Low-Pressure Roots Blowers

Pneumatic conveying distance limits: the evaluation begins with defined process…
Establishing Long Distance Pneumatic Conveying Roots Blower

Evaluating a long distance pneumatic conveying roots blower system is…
Evaluating a High Pressure Pneumatic Conveying Roots Blower Duty

Determining the operational limits of a high pressure pneumatic conveying…
Establishing the Baseline for Conveying Routes

Determining the maximum roots blower pneumatic conveying distance is a…
Defining the Conventional Pneumatic Conveying System

A conventional pneumatic conveying system uses gas to move bulk…
Pneumatic Conveying Advantages and Limitations for Roots Blower Projects

Evaluating pneumatic conveying advantages and limitations is critical when a…
Solids Loading Ratio for Positive-Pressure Roots Blower Conveying

Solids loading ratio is a useful way to describe how…
Particle Velocity in Pneumatic Conveying: Slip and Acceleration

Particle velocity in pneumatic conveying is normally lower than the…
Pneumatic Conveying Air Velocity and Gas Expansion

Pneumatic conveying air velocity must stay high enough for stable…
Roots Blower for Dilute-Phase Conveying: Defining the Fit

A roots blower for dilute-phase conveying supplies the relatively high-volume,…
Bulk Material Conveying Suitability for Positive-Pressure Systems

Bulk material conveying suitability is determined by how a real…
Roots Blower Pneumatic Conveying: Positive-Pressure Fundamentals

Roots blower pneumatic conveying uses a positive-displacement air source to…