Roots-Type DC Oil-Free Blower for Cement Ash, OEM/Custom 1

Roots-Type DC Oil-Free Blower for Cement Ash, OEM/Custom 2

Roots-Type DC Oil-Free Blower for Cement Ash, OEM/Custom 3

Roots-Type DC Oil-Free Blower for Cement Ash, OEM/Custom 4

Roots-Type DC Oil-Free Blower for Cement Ash, OEM/Custom 5

Roots-Type DC Oil-Free Blower for Cement Ash, OEM/Custom 6

Roots-Type DC Oil-Free Blower for Cement Ash, OEM/Custom

Roots-Type DC Oil-Free Blower for Cement Ash, OEM/Custom is a dry positive-displacement blower driven by a DC motor, built to move abrasive cement ash reliably in industrial systems. Key selling points: oil-free operation avoids contamination and cuts maintenance, wear‑resistant rotors and seals extend life with dusty/abrasive media, and DC variable-speed control delivers energy savings and precise flow. Compact, low-noise design with OEM/custom options (including explosion‑proof and high‑temperature variants) makes it easy to fit specific plant needs.

brand name:

QILEE

model number:

PRB-80

Shipping:

Support Sea freight

Payments:

L/C,D/A,D/P,T/T,Western Union,MoneyGram,OA

Lead Time:

1-1(sets):15(days),>1(sets):To be negotiated(days)

Place of Origin:

China

Inquiry

Write a Review

Blade Material

Stainless Steel

Electric Current Type

Caliber(mm)

Rotary Speed(RPM)

800-1950

La(KW)

1.3-3.18

Pressure(mmAq)

1000

QS(m3/min)

4.11-11

rated voltage

220V/380V

Dimensions(mm)

936*1241(W*H)

pressure

1000mmAq

power source

Pneumatic

customized support

OEM

application

Industrial Blower

Product name

roots type air blower

warranty

1 year

place of origin

Shanghai, China

Oil-Free Compact Custom Reliability

Roots Blower delivers oil-free, high-efficiency air for reliable pneumatic conveying of cement ash, with adjustable pressure and low-noise, low-oscillation performance to minimize downtime. The compact Roots-type two-impeller shape, precision four-shaft rotor manufacturing and standardized high-quality profile ensure stable capacity across pressure changes, simple maintenance and long service life. Packaged in standard export cartons with quick 3–20 day lead times, its rugged style and strict quality control make installation, scaling and operation in cement plants fast and dependable.

Roots DC Oil-Free Blower

The Roots Blower is a Roots-type DC-driven, oil-free displacement blower engineered for cement-ash pneumatic conveying with adjustable pressure and capacities (outlet 40–300 mm, 0.6–160 m3/min, one-stage up to 0.8 kgf/cm2) to suit OEM and custom installations. Its twin counter-rotating impellers, precision four-shaft rotor machining and simple, balanced structure deliver completely oil-free air with low vibration and noise, high volumetric efficiency and minimal capacity change under varying back-pressure. This design provides long service life, low maintenance, easy integration, standardized quality control and flexible customization, ensuring reliable ash handling, rapid delivery and export-ready support for cement plants.

DC Oil-Free Roots Blower

The Roots Blower is a roots-type, oil-free displacement blower designed for ash pneumatic conveying in cement plants, with two counter-rotating impellers that compress air through precise clearances. Available with outlets from 40 mm to 300 mm and capacities from 0.6 to 160 m3/min (21–5700 CFM), it delivers pressures up to 0.8 kgf/cm2 (8000 mmAq) with low oscillation and noise thanks to complete balancing and advanced rotor machining. Its simple, standardized construction ensures high efficiency, stable capacity under varying pressures, long service life and customizable OEM options.

◎ product nicety 1

◎ product nicety 2

◎ product nicety 3

Efficient Oil-Free Reliable Performance

Built by an experienced OEM/custom manufacturer, this Roots-Type DC oil-free blower for cement ash pairs precision machining with robust, corrosion- and abrasion-resistant materials to withstand harsh plant conditions. The Roots Blower delivers stable, low-pulsation airflow for ash conveying and dust suppression, powered by an oil-free DC drive for rapid start-stop response, minimal maintenance, and contamination-free operation. Key features and advantages include oil-free operation, customizable configuration, energy-efficient DC motor, compact footprint, high wear tolerance, optimized impeller geometry for consistent performance, and simplified serviceability to reduce downtime.

Material introduction

The Roots Blower for cement ash conveying is built with a heavy-duty cast or ductile iron housing to withstand impact and contain operating pressure during pneumatic transport. Internals use precision-machined alloy-steel rotors manufactured via a four-shaft method and surface-hardened (nitriding or induction) to resist abrasion and preserve tight oil-free clearances. High-grade bearings and shafts, stainless fasteners, PTFE or similar non-lubricated seals, and corrosion-resistant coatings on air paths combine to ensure durable, oil-free operation in abrasive cement ash service.

◎ Cast-Iron Heavy-Duty

◎ Alloy-Steel Precision-Machined

◎ OEM Custom-Coated Solution

FAQ

What typical usage and application scenarios is the Roots-Type DC Oil-Free Blower for cement ash best suited for?

The blower is designed for low-pressure, high-volume air handling tasks common in cement plants and ash-handling operations. Typical uses include pneumatic conveying of cement ash and fly ash, silo aeration and fluidization, ash removal from hoppers and precipitators, aid for baghouse cleaning (pulse/backup air), and general dust-control and pneumatic transport in cement production lines. Its oil-free design prevents contamination of ash streams and downstream filters, making it suitable wherever contamination-free air is required.

Can this blower handle abrasive cement ash, and what measures minimize wear?

Yes—with proper specification and protective measures it can handle abrasive cement ash. Common mitigations include selecting abrasion-resistant materials or coatings for inlet and impeller faces, using replaceable wear liners or sacrificial plates in high-wear zones, installing separation cyclones or heavy-duty inlet filters to remove coarse particulates, and maintaining correct filtration upstream of the blower. For very abrasive or highly loaded streams, consult the manufacturer to specify hardened components and a scheduled wear-parts replacement plan.

How is the blower integrated into pneumatic conveying or dust collection systems?

Integration typically involves placing the blower downstream or upstream depending on positive-pressure (blower side) or vacuum systems, matching flange sizes and ductwork, and installing inlet/outlet silencers, pulsation dampers, non-return valves, and appropriately sized filters or cyclones to protect the unit. Use smooth, short duct runs with gradual bends to minimize pressure loss and particle impact. Ensure you size the blower for required volumetric flow and system pressure drop, and provide a variable-speed controller for process flexibility.

What are the operational limits and control options for the DC oil-free Roots blower?

Roots-style blowers are generally used for low-to-moderate differential pressures and high flow rates rather than high-pressure compression. The DC motor allows precise speed control across the operating range via a DC drive or PWM controller, making it easy to tune conveying velocity and air volumes. Exact flow and pressure capabilities, temperature limits, and duty cycle depend on the model and custom configuration—consult the OEM for performance curves and recommended operating envelopes for your application.

What maintenance is required for an oil-free blower used with cement ash?

Oil-free means no oil in the air path, reducing filter contamination and simplifying some maintenance, but routine checks are still required: inspect and clean inlet filters and separators regularly, monitor and replace wear parts (liners, seals, bearings) per the maintenance schedule, check belt tension or couplings and motor/drive components, and verify vibration and noise levels. Follow the manufacturer’s maintenance manual for inspection intervals and lubrication requirements for bearings or gearboxes if present.

Are there safety, environmental, or customization considerations I should know about for cement ash applications?

Yes. Cement and fly ash can be explosive under certain concentrations—if explosive dust is present, request explosion-proof/explosion-mitigating options (ATEX/IECEx certification where applicable), spark arrestors, and grounding to prevent static build-up. Avoid conveying wet or excessively hot ash without confirming temperature ratings and corrosion/erosion protections. OEM/custom options typically include explosion-proof motors, upgraded materials/coatings, special flanges, monitoring sensors, and tailored control systems—discuss process specifics with the supplier to ensure safe, compliant operation.

Tell Us More About Your Project !

If you have any questions about water treatment systems, please feel free to contact QILEE.

Stable equipment

Mature technology

Automated operation

Simple operation

Do You Have any Questions? Welcome to Leave Us a Message.