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Polimer preparation units

Polimer preparation units

Product catalog summary

Overview
This document provides a comprehensive overview of dry material feeding and preparation systems, focusing on automatic polyelectrolyte preparation systems. It outlines the construction features, operating principles, and options available for these systems, as well as their applications in various industries.

Construction Features
The systems include a variable capacity powder dosing unit with a hopper and level indicator, a water inlet and adjustment unit with a solenoid valve and disperser nozzle, and a preparation tank divided into three sectors for dissolving, maturing, and storage. The control and electrical command switchboard ensures fully automatic operation, and the solution dosing system typically involves dosing pumps. The construction is compact, stainless steel, and ready for floor anchoring without the need for foundations.

Operating Principles
The preparation tank is divided into three sectors: dissolving (V1), maturing (V2), and storage (V3). The powder is mixed with water, sprayed from a nozzle for dispersion, and then dropped into the tank for dissolving. Slow agitators in each sector ensure homogenization. Level switches control automatic functions, stopping or enabling the dosing unit and water inlet based on solution levels.

Options
Additional features include heating of the dosing unit discharge pipe, overflow and drain header, water pressure reducer, third agitator in the storage section, automatic dosing pump adjustment, powder minimum level switch, PLC programmable electrical switchboard, and pneumatic powder loading.

System Variants
Three main system variants are discussed: PL Systems for powder solutions, PLE Systems for emulsion solutions, and PLDUAL Systems for both powder and emulsion solutions. Each variant has different models with specific flow rates, mixer configurations, and dimensions.

Manual Preparation Systems
The POLYMAN line is designed for manual preparation of polyelectrolyte solutions, suitable for occasional use. It includes tanks made of high-density polyethylene, a disperser, water inlet, powder loading filler, slow agitator, and optional dosing pump.

Applications
These systems are used in water clarification, biological treatment of wastewater, sludge sedimentation, scrubbing of fumes, sulfuric acid production, and various industries such as oil, paper, sugar, extraction, and tanning.

Powder Feeders
Powder volumetric feeders ensure a constant and accurate flow for grains, fibers, and powders. They are made of stainless steel and feature a hopper, gearbox, speed variator, and metering helix. Optional features include thermostat resistance, dissolver, and Plexiglas discharge.

Global Presence
The document concludes with a list of SEKO's global locations, indicating their widespread presence and capability to support these systems worldwide.

Catalog excerpts

DRY MATERIAL FEEDING Dry material feeding and PREPARATION SYSTEMS AND Preparation Systems innovation > technology > future

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POLY Automatic polyelectrolyte preparation systems Construction Features • Variable capacity powder dosing unit, hopper with powder level indicator, worm screw with bridge breaker scrapers • Water inlet and adjustement unit, solenoid valve, pressure switch, disperser nozzle • Preparation tank with covers, divided into three sectors for dissolving, maturing and storage • Control and electrical command switchboard including the automatisms and indicators for fully automatic plant operation • Solution dosing system, generally consisting of dosing pumps selected from the numerous versions available...

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Systems for preparation of solutions from powder Systems for preparation of solutions from emulsion Systems for preparation of solutions from powder and from emulsion Mod. PL 5S PL 5 PL 10 PL 20 PL 30 PL 40 PL 50 PL 80 PLE 5S PLE 5 PLE 10 PLE 20 PLE 30 PLE 40 PLE 50 PLE 80 Mod. PLDUAL 5S PLDUAL 5 PLDUAL 10 PLDUAL 20 PLDUAL 30 PLDUAL 40 PLDUAL 50 PLDUAL 80 Powder dosing unit (l/h) Hopper with loader (mm) A innovation > technology > future

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POLYMAN Plant for manual preparation of polyelectrolyte Polyelectrolyte solution is not very stable and its efficiency decreases with time. So the solution must be prepared only when necessary in order to use the whole quantity prepared and avoid wastes. The POLYMAN line has been designed to offer a complete system for manual preparation of polyelectrolyte solutions and is the ideal choice for occasional or discontinuous use. POLYMAN systems are available between 200 and 1000 liters, and generally consist of: 1. Tanks in translucent high density polyethylene, UV stabilized, working temperatures...

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POWDER FEEDERS Powder volumetric feeders are designed to provide a constant and accurate flow for any grains, fibers and powders. Powder feeders are completely made in stainless steel SS304. Hopper: It was two vertical walls ensure even flow of the products; available in 50 and 100 liters versions; optional: supplementary mixer or vibration; internal polishing, level indicator. Gearbox: motion transmission is carried out by a chain/pinion, which are connected to metering helix and to agitator rotates; optional: FPM seals-ring. Speed variator: (manual adjustement) it provides capacity control,...

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SEKO Asia Pacific SINGAPORE • SEKO China CHINA • SEKO do Brasil BRAZIL • SEKO Dosing Systems USA • SEKO Deutschland GERMANY • SEKO France FRANCE • SEKO Iberica SPAIN SEKO Italia ITALY • OOO SEKO RUSSIA • SEKO Northern Europe DENMARK • SEKO SIETA ROMANIA • SEKO Southern Africa SOUTH AFRICA • SEKO UK UNITED KINGDOM The technical data may be modified without notice. The drawings and images are only indicative © seko spa / Printed in Italy /BRODRYUK 10.1

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