Automatic Sludge Screw Press for Paper - 1yr Motor Warranty 1

Automatic Sludge Screw Press for Paper - 1yr Motor Warranty 2

Automatic Sludge Screw Press for Paper - 1yr Motor Warranty 3

Automatic Sludge Screw Press for Paper - 1yr Motor Warranty 4

Automatic Sludge Screw Press for Paper - 1yr Motor Warranty 5

Automatic Sludge Screw Press for Paper - 1yr Motor Warranty 6

Automatic Sludge Screw Press for Paper - 1yr Motor Warranty

This automatic screw press removes water from paper mill sludge quickly and with little work. It uses a rotating screw and a perforated screen to squeeze out water, making the sludge thicker and lighter to handle. The unit runs continuously, saves energy, and needs low maintenance. Built for paper industry jobs, it is made of durable parts and comes with a 1-year motor warranty for peace of mind.

Usage scenarios:

- Dewatering sludge from paper mills and recycling plants before disposal or further drying.

- Thickening sludge on-site to cut hauling costs and reduce landfill or incineration volume.

- Pre-treating wastewater solids so they can be composted, pelletized, or sent to a dryer more efficiently.

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

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Replacement Period of Moving Ring

1~4 year

Screw shaft replacement cycle

3~11year

Distance Of outlet exit to ground

215~500mm

water pressure

0.2~0.3MPa

Maintain Frequency

5min/day

polymer flocculant Addition rate

2.0~4.0kg/Ton

Water Demand for Cleaning

24~216L/h

Powder Consumption

0.2~0.6kw/h

Treating Capacity

3~300kg/h

Processing Type

desalination

Power(W)

1 kW

Product name

Screw Press Dewatering Machine

Voltage

220 V, 380 V

weight (kg)

470

productivity

500L/Hour

warranty

1 Year

place of origin

Shanghai, China

core components

Motor

machinery test report

Provided

video outgoing-inspection

Provided

Compact Design, Reliable Dewatering

The QLD Dewatering Screw Press delivers continuous, automatic sludge dewatering for paper mills, cutting labor, cleaning water and odors while its slow-running screw minimizes power use and noise and includes a one-year motor warranty. Its compact, integrated shape — combining electrical cabinet, disposal tank and dehydrator in a SUS304 stainless enclosed style — reduces footprint, simplifies installation and maintenance, and ships in standard export carton packing for protected delivery. Engineered to avoid jams with self-cleaning rings and adjustable screw speed and back-pressure gaps, the QLD Dewatering Screw Press lets operators dial capacity and cake moisture for reliable, low‑maintenance performance across paper industry applications.

Automatic Dewatering One-Year Warranty

The QLD Dewatering Screw Press is an automatic, stainless‑steel (SUS304) sludge dewatering unit tailored for the paper industry, featuring an integrated electrical cabinet, disposal tank and enclosed dehydrator to minimize footprint and odors. Its value and functional attributes include continuous 24‑hour automatic operation to reduce labor, a low‑speed screw and anti‑jam moving‑ring design that lowers power consumption, maintenance and wash water use, and flocculation‑compatible feed with adjustable discharge to produce drier sludge cakes. Structurally it uses a screw running through stacked fixed and moving rings with adjustable back‑pressure plates to control cake moisture while self‑cleaning gaps simplify upkeep, and the unit is backed by a 1‑year motor warranty.

Automatic Dewatering, One-Year Warranty

The QLD Dewatering Screw Press is an automatic sludge screw press engineered for the paper industry to deliver continuous 24-hour dewatering with a one-year motor warranty. Its integrated electrical cabinet, disposal tank and enclosed dehydrator minimize footprint and odors while stainless construction, slow-running screw and self-cleaning moving rings prevent jams, lower power consumption and reduce cleaning water use. The filter-ring and polymer-assisted screw structure produces compact sludge cakes with adjustable throughput across multiple QLD models, making it suitable for municipal and industrial wastewater including paper and pulp applications.

◎

Efficient, Reliable Dewatering Solution

Developed by a specialist team for the paper industry, the QLD Dewatering Screw Press combines decades of sludge-handling expertise with robust stainless-steel construction and a 1-year motor warranty to ensure reliable operation. It automates thickening and dewatering of paper mill sludge with adjustable screw pitch, PLC control, energy-efficient drive and rapid maintenance access to deliver high solids capture and low residual moisture. Key features — compact footprint, corrosion-resistant components, easy-to-clean design, low operating cost and modular scalability — translate to reduced disposal expenses, consistent throughput and simplified regulatory compliance.

Material introduction

The QLD Dewatering Screw Press is constructed primarily from SUS304 stainless steel, with the screw shaft, fixed and moving rings, and back pressure plates all built from corrosion‑resistant stainless to withstand the harsh conditions of paper mill sludge. Small gaps between rings are filled with durable polymer grains that enhance filtration, reduce jamming risk, and improve cake formation, while the enclosed stainless framework and integrated electrical cabinet limit odors and simplify maintenance. This combination of robust stainless components and engineered polymer media yields a compact, easy‑to‑clean dewatering unit ideal for continuous automatic operation, with a 1-year motor warranty for added reliability.

◎ SUS304 Corrosion-Resistant Hygienic

◎ Stainless Wear-Resistant Low-Maintenance

◎ Enclosed Odor-Reducing Reliable

FAQ

What is an Automatic Sludge Screw Press for Paper used for?

The machine is designed to dewater sludge generated in papermaking and related processes. It separates water from fiber-rich sludges (whitewater sludge, press sludge, paper machine sludge, screen and wastewater plant sludge) to produce a press cake that is easier and cheaper to handle, transport and dispose or recover. It’s used to reduce sludge volume, lower disposal costs, and recover fibers for recycling.

In which paper-industry scenarios is this screw press most suitable?

Typical application scenarios include paper mills (paper machine rejects, wet-end fines), secondary fiber recycling plants, deinking lines, wastewater treatment plants serving papermaking operations, and any facility generating fibrous, medium-to-high solids-content sludge. It’s particularly effective for sludge containing fibers and fines where mechanical compression plus optional polymer conditioning produces stable cake.

What feed preparation or pre-treatment is required for best performance?

For consistent performance, pre-thicken low-solids sludges if possible (thickening to a pumpable 1–6% solids helps), and screen out large debris or rags that can foul the screw. Polymer conditioning (cationic flocculant) is commonly used to agglomerate fines and improve dewatering — dosing rate depends on sludge chemistry. Maintain feed temperature within recommended plant limits (very cold sludges may reduce polymer efficiency). Check the manual for recommended solids range and particle size limits for your model.

How is the system operated and what automation features are typical?

The press is typically packaged with a feed hopper, dosing point for polymer, feed pump (or gravity feed), the screw press module, and electrical control panel with PLC. Automatic features commonly include start/stop sequencing, torque/load protection, cake thickness monitoring, automatic polymer dosing control, and fault alarms. Operators set target throughput or cake dryness and the system adjusts speed/pressure and polymer dosing to match. Basic operator tasks are monitoring, occasional adjustments to polymer dose, and managing feed consistency.

What routine maintenance is required and what does the 1-year motor warranty cover?

Routine maintenance includes daily visual checks, removal of trapped debris, inspection of seals, greasing of bearings per schedule, checking torsion/load indicators, and periodic inspection of the screw flights and screen/press rings for wear. The 1-year motor warranty typically covers manufacturing defects in the motor (parts and repair/replacement) when the motor is used under specified operating conditions and maintained per the manual. It usually does not cover damage from misuse, electrical supply problems (voltage spikes, incorrect wiring), exposure to corrosive/abrasive environments beyond design limits, insufficient lubrication, mechanical overload caused by foreign objects, or unauthorized repairs. Keep commissioning records and maintenance logs to support warranty claims.

What common problems occur in application and how can they be solved?

Common issues and remedies: - Low cake dryness: check polymer type/dose and mixing; verify feed solids; inspect for worn screen or screw; adjust screw speed/pressure. - Frequent blockages or ragging: install or maintain upstream screening; increase rake/strainer frequency; reduce feed rate temporarily for manual clearing. - Motor trips or high torque alarms: inspect for jammed screw, foreign objects, extreme feed spikes; check drive alignment; verify electrical supply and motor thermal protection settings. - Foaming or unstable flocs: try different polymer chemistry or improve mixing and residence time. - Excessive wear: ensure abrasive solids are minimized, schedule wear-part replacement, and consider hard-facing or different screen materials for high-wear applications. If problems persist, consult the supplier with operating data (feed solids, flow, polymer type and dose, electrical readings) so they can recommend adjustments or spare parts.

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