Micro Powder Metering & Dosing System - Auto Chemical Feed 1

Micro Powder Metering & Dosing System - Auto Chemical Feed 2

Micro Powder Metering & Dosing System - Auto Chemical Feed 3

Micro Powder Metering & Dosing System - Auto Chemical Feed 4

Micro Powder Metering & Dosing System - Auto Chemical Feed 5

Micro Powder Metering & Dosing System - Auto Chemical Feed 6

Micro Powder Metering & Dosing System - Auto Chemical Feed

Micro Powder Metering & Dosing System - Auto Chemical Feed is a compact, automated solution for accurate, repeatable feeding of very small amounts of dry chemicals into processes. Using precision auger or loss-in-weight metering with PLC control and variable-speed drive, it delivers controlled micro- to low‑rate powder dosing while minimizing dust, bridging, and manual handling. The system improves product consistency, reduces chemical waste, enhances operator safety, and supports remote monitoring and simple maintenance.

Usage scenarios (three short sentences):

- Municipal and industrial water/wastewater treatment for dosing coagulants, flocculants, pH adjusters, and disinfectant powders.

- Industrial process lines — boiler and cooling‑tower water treatment, electroplating, textile or paper additives, and precise dosing of catalysts or stabilizers in chemical manufacturing.

- Manufacturing and environmental applications such as pigment/additive dosing in paints and plastics, mineral/ceramic feed in mining, pilot labs, and dust suppression or remediation projects.

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):30(days),>1(sets):To be negotiated(days)

Place of Origin:

China

Inquiry

Write a Review

size

2000*1000*1700

Suitable for medicament

Electronic control

0,1

Maximum number of instruments

Pump type

Diaphragm pump

Pump qty

4sets

Maximum flow rate

1000LPH

Processing Type

desalination

Power(W)

2 kW

Product name

Metering Dosing System

Voltage

220 V, 380 V

weight (kg)

100

productivity

500L/Hour

warranty

1 Year

place of origin

Shanghai, China

core components

Motor

machinery test report

Provided

video outgoing-inspection

Provided

Accurate, Automated, Compact, Durable

The QWDS Polymer dosing system provides precise automatic micro powder metering and chemical feed to optimize coagulation, reduce chemical consumption, and improve sludge dewatering and overall process stability. Equipped with choice of screw or diaphragm metering pumps, back-pressure and safety valves, filters, diaphragm gauges and seamless DCS integration, it delivers reliable, low‑maintenance dosing tailored to site flow and water‑quality signals. Built as compact modular stainless‑steel cabinets in multiple sizes with an industrial finish and high‑quality components, it ships in standard export carton packing with typical 3–20 day lead times for fast, easy installation.

Automated Micro Powder Dosing

The QWDS Polymer dosing system is a micro powder metering and auto chemical feed solution for wastewater processes such as regulation, coagulation and sludge dewatering, offering online monitoring of pH, residual chlorine, DO, suspended solids and sludge concentration and the ability to feed PAC, PAM, acids/alkalis, carbon source, nutrients, reducing agents and demulsifiers. It features precise, automatic dosing control with pump auto-switching, selectable screw or diaphragm metering pumps matched to chemical characteristics, and safety-standard components—back pressure and safety valves, filters, diaphragm pressure gauges and cleaning pipelines—to ensure stable, accurate and safe operation. Modular skid-mounted construction with multiple pump configurations (2/4/6 sets), optional electronic/DCS integration and compact dimensions enables easy site integration, low maintenance and improved treatment efficiency and chemical use optimization.

Automated Precision Powder Dosing

The QWDS Polymer dosing system provides automated micro powder metering and chemical feed for wastewater treatment, supporting coagulation, pH adjustment and sludge dewatering with selectable screw or diaphragm metering pumps. It features online monitoring of pH, residual chlorine, DO and suspended solids, automatic pump switching, safety devices such as back pressure and safety valves, and reliable dosing of PAC, PAM and other agents. Offered in multiple skid-mounted models with pump capacities up to 2000 LPH and DCS integration, the system ensures precise dosing, stability and easy maintenance.

◎

Accurate, Efficient Powder Dosing

Built from years of water‑treatment engineering and precision R&D, the QWDS Polymer dosing system delivers automated micro powder metering and chemical feed with a trusted brand’s quality and after‑sales support. Its core functions—precision screw feeders, vacuum‑assisted powder handling, closed‑loop PLC control and touchscreen operation—ensure dust‑free, consistent polymer dosing across variable feed rates. With a compact, corrosion‑resistant modular design, self‑cleaning auger, real‑time flow feedback and easy maintenance, it reduces chemical waste, minimizes downtime and simplifies operator training for higher process efficiency.

Material introduction

The QWDS Polymer dosing system is built from chemical-resistant materials — stainless steel frames, corrosion-resistant piping, and HDPE/PVC dosing tanks — to ensure durability in wastewater treatment environments. High-quality screw or diaphragm metering pumps feature abrasion- and solvent-resistant seals and imported-brand components, while back pressure and safety valves, filters, diaphragm pressure gauges and cleaning pipelines are specified as standard for reliable operation. All materials are selected to tolerate acids, alkalis, PAM, PAC and carbon suspensions, supporting safe, stable automatic dosing and seamless DCS integration.

◎ Standard Auto Feed

◎ Abrasion‑Tough Polymer Feed

◎ Acid/Alkali Specialty Feed

FAQ

What is a Micro Powder Metering & Dosing System - Auto Chemical Feed used for?

It precisely meters and delivers very small amounts of powdered chemicals into process streams or batch recipes. Typical application scenarios include water and wastewater treatment (coagulants, flocculants, pH adjusters), chemical and catalyst dosing, pigment and additive feeding in paints and plastics, food and feed ingredient dosing, pharmaceutical and fine chemical pilot plants, and ceramic or cement additive control.

Which powders and materials can this system handle?

It is designed for free-flowing and moderately cohesive powders such as salts, powdered polymers, pigments, catalysts, micronized reagents and dry blends. Systems can be configured for a range of particle sizes and bulk densities; hygroscopic or highly cohesive powders may require special hopper geometry, agitation, or drying/conditioning options. For highly abrasive, corrosive, or food-grade materials, contact parts can be specified in appropriate materials (e.g., stainless steel, coatings, or FDA-compliant finishes).

What dosing accuracy and capacity can I expect?

Typical micro dosing systems deliver from milligrams per minute up to several kilograms per hour, depending on configuration. Accuracy and repeatability are generally high (often within ±0.5–2% of setpoint) for steady-state operation; actual performance depends on powder properties, feed rate and calibration. Systems normally include calibration routines and weighing or loss-in-weight feedback to ensure traceable dosing.

How does the system prevent powder bridging, rat-holing and ensure continuous feed?

The system uses a combination of engineered hopper shapes, internal agitators or vibrators, and a metering device (precision screw, twin-screw, paddle or vibratory feeder) tailored to the powder’s flow characteristics. Optional features like anti-bridging inserts, aeration pads, or continuous-level sensing reduce blockage risk. For critical materials, loss-in-weight control with alarm logic detects flow interruptions and triggers corrective actions.

Can the dosing system be integrated into my existing control or SCADA system?

Yes. These systems are typically supplied with PLC-based control and offer multiple integration options: digital I/O, 4–20 mA or 0–10 V analog signals, Modbus, Profibus or Ethernet/IP for recipe management and remote monitoring. They support start/stop, setpoint changes, batch sequencing, and interlocks so they can be part of automated production lines or centralized plant control.

What are the maintenance, cleaning and safety considerations?

Routine maintenance includes inspection of metering screws/rotors, seals, wear parts and load cell calibration; intervals depend on duty and abrasive content. Cleaning options range from manual access and quick-release parts to semi-automated cleaning-in-place (CIP) modules for non-hygroscopic powders; pharmaceutical/food use requires validated cleaning procedures. For safety, use dust extraction, ATEX/explosion-proof configurations where combustible dust is present, and follow local handling regulations for toxic or allergenic powders. Regular preventive maintenance and spare-parts stocking minimize downtime.

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.