Automatic Motor Powder Chemical Dosing 5000L/h Desalination. 1

Automatic Motor Powder Chemical Dosing 5000L/h Desalination. 2

Automatic Motor Powder Chemical Dosing 5000L/h Desalination. 3

Automatic Motor Powder Chemical Dosing 5000L/h Desalination. 4

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Automatic Motor Powder Chemical Dosing 5000L/h Desalination.

The Automatic Motor Powder Chemical Dosing 5000L/h Desalination is a compact, motor-driven dosing unit built to add powdered treatment chemicals automatically into desalination and water-treatment lines up to 5,000 L/h. It precisely meters powders such as antiscalants, coagulants, pH adjusters, and flocculants with programmable feed rates and feedback control to reduce scaling, fouling, and chemical waste while extending membrane life. Designed for easy installation and low maintenance, it uses corrosion-resistant parts, adjustable dosing settings, and safety interlocks for reliable, continuous operation.

Usage scenarios:

- Ideal for small-to-medium desalination plants and brackish RO systems (up to 5,000 L/h) to ensure consistent antiscalant and pretreatment dosing.

- Useful in industrial process water treatment, cooling towers, and boiler feed systems to control scale, corrosion, and turbidity with automated powder dosing.

- Suitable for aquaculture, wastewater pre-treatment, and mobile or emergency water-treatment units where accurate, hands-off chemical dosing improves safety and uptime.

brand name:

QILEE

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

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L*W*H

3300*1500*2200MM

chemical solution agitator

2*3

powder metering feeder speed variable

1/4

powder feeding hopper volume

200

chemical solution production capacity

5000

Processing Type

desalination

After Warranty Service

Online support

Power(W)

1 kW

Voltage

220 V, 380 V

weight (kg)

960

productivity

5000L/Hour

warranty

1 Year

place of origin

Shanghai, China

core components

Motor

machinery test report

Provided

video outgoing-inspection

Provided

Compact Durable Precise Dosing

The QPL3 powder dosing machine offers motor-driven automatic dosing at up to 5000 L/h for precise, repeatable chemical feeding that improves desalination, sewage and sludge treatment while minimizing chemical waste. Constructed from SUS304 with an attractive compact shape, variable-speed powder metering and touchscreen controls, it delivers durable quality, easy maintenance and consistent dosing accuracy. Packaged in standard export cartons and available with 3–20 day delivery, this turnkey system streamlines installation and ensures rapid on-site readiness.

Here are concise 4-word subtitles from different perspectives:

The QPL3 powder dosing machine is an automatic motor-driven chemical dosing system built for 5000L/h desalination, offering precise metering, variable-speed powder feed and a large SUS304 hopper for continuous, dust-controlled operation. It dissolves and doses powders like PAM and PAC to boost desalination and sludge-treatment efficiency, minimize chemical waste, and ensures treatment effect with touch-screen output and high-quality imported components. Its compact, corrosion-resistant stainless steel structure, sealed feeding chamber and modular design enable easy maintenance, reliable long-term performance and an attractive industrial appearance.

Motorized 5000L/h Chemical Doser

The QPL3 powder dosing machine is an automatic powder feeding chemical dosing system engineered for 5000 L/h capacity and precise metering of powders such as PAM and PAC. Constructed from SUS304 with imported components and touch-screen controls, it ensures accurate dosing, minimizes waste, and guarantees effective treatment for municipal and industrial sewage and sludge. With a 200 L hopper, compact footprint and user-friendly interface, this unit provides reliable continuous operation for desalination and sludge conditioning processes.

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Precise Efficient Automated Reliable

Built by a team with decades of water-treatment experience, the QPL3 powder dosing machine combines precision engineering and robust materials to deliver Automatic Motor Powder Chemical Dosing at up to 5000L/h for desalination systems. It features a sealed hopper, variable-speed motor, microprocessor control with dosing accuracy of ±1%, and PLC-compatible interfaces for automated continuous dosing that reduces chemical waste and operator intervention. Key advantages include high throughput, low maintenance, corrosion-resistant construction, easy calibration and cleaning, safety interlocks, and energy-efficient operation that improves desalination consistency and lowers operating costs.

Material introduction

The QPL3 powder dosing machine for 5000 L/h desalination is built with SUS304 stainless steel for a robust, corrosion-resistant framework suitable for chemical handling. A polypropylene (PP) option is offered for highly corrosive powders or where contamination prevention is critical. Imported wear and control components are integrated and sealed to ensure reliable, long-term performance in desalination and sludge treatment applications.

◎ Standard SUS304 Model

◎ PP Contact Model

◎ Hybrid Wear‑Resistant Model

FAQ

What is the "Automatic Motor Powder Chemical Dosing 5000L/h Desalination" system and where is it used?

This system is an automated powder chemical feeder driven by a motorized metering mechanism sized to treat process flows up to about 5,000 L/h for desalination and related pretreatment processes. Typical applications include dosing flocculants and coagulants in pretreatment clarifiers, antiscalants or dispersants ahead of reverse osmosis (RO), pH adjusters, and other powder-form additives used in brackish or seawater desalination plants, industrial water treatment, and municipal pretreatment lines.

Which chemicals can this unit handle and what should I check for compatibility?

It is designed for dry/powdered chemicals such as polyaluminium chloride (PAC), polyacrylamide (PAM) flocculants, powdered antiscalants, polymer blends and similar granular/powder products. Before use, verify chemical particle size, moisture sensitivity, abrasiveness and corrosivity. Consult the supplier for recommended hopper liners, feed screws, and wetted-materials compatibility (stainless steel grades, coatings, seals) and confirm that the powder’s flow characteristics match the feeder’s metering mechanism.

What is the dosing capacity and accuracy I can expect?

The system is engineered to support a treated water throughput up to 5,000 L/h; dosing rate is adjustable to match required dosage concentrations (typically expressed as mg/L or g/hr). Accuracy depends on powder properties and setup but modern motorized powder feeders commonly achieve repeatability in the low single-digit percent range (e.g., ±1–5%). Final accuracy will depend on calibration, hopper feed consistency, and installation—always perform on-site calibration against a known standard during commissioning.

How is the unit installed and integrated into an existing desalination plant?

Installation steps typically include: secure mounting on a level base; safe electrical connection to the plant supply and control cabinet (observe motor power and starter requirements); plumbing for any wetted contact points (if used with liquid dilution skid); connection of dosing discharge to the dosing point using chemical-resistant piping with appropriate backflow prevention and injection quill; and control integration via local HMI, 4–20 mA, relay outputs or Modbus/PLC interface for start/stop, speed/dose setpoints, alarms and interlocks. Place the unit in a dry, ventilated room with spill containment and easy access for refill and maintenance.

What are the routine operation and maintenance requirements?

Key tasks include: daily/shift checks of hopper level and powder feed consistency; weekly visual inspection of the feed screw/auger, motor, and gearbox; monthly calibration checks and adjustment of dosing curves; cleaning of hopper and discharge to remove hardened or bridged material; replacement of wear parts (seals, bearings, liners) per manufacturer schedule; and keeping firmware/software updated. Keep a maintenance log and perform preventative maintenance to avoid clogging and maintain dosing accuracy.

What safety, environmental and regulatory considerations should I follow?

Follow standard chemical handling procedures: use appropriate PPE (gloves, dust masks/respirators, eye protection), ensure local exhaust or dust control to limit airborne powder, provide spill containment and secondary containment for hopper/refill areas, and maintain MSDSs on site. Ensure discharged dosed streams comply with local discharge permits and RO feed water chemistry requirements. Implement interlocks and alarms to prevent overdosing, and provide training for operators on emergency procedures and safe refill/cleaning methods.

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