What are the desalination water flow meters and water treatment equipment

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1. Zhejiang Xindu Green Energy Co., Ltd. mentioned the renovation project of cogeneration (chemical water treatment) The core goal of the cogeneration chemical water treatment renovation project of Zhejiang Xindu Green Energy Co., Ltd. is to improve the efficiency of desalination water preparation, ensure the quality of boiler feedwater, reduce operating costs, and meet the requirements of environmental protection and safety. Renovation typically involves comprehensive optimization of pre-treatment, desalination systems, and control schemes. 1. Upgrading the pre-treatment system. Pre treatment is the first step in chemical water treatment, mainly used to remove suspended solids, colloids, organic matter, and some hardness from raw water, and protect subsequent desalination equipment. Multi media filter: using multiple layers of filter materials such as anthracite and quartz sand, it removes most of the suspended solids and colloids in water, and the effluent turbidity can usually be controlled within<1 NTU. Activated carbon filter: adsorbs organic matter, residual chlorine, and odors in water, protecting the reverse osmosis membrane from oxidation and pollution. • Ultrafiltration (UF) device: As a more efficient pretreatment option, its filtration accuracy can reach 0.01-0.1 microns, which can more thoroughly remove colloids, bacteria, and large organic molecules, providing high-quality influent for reverse osmosis systems.

2. Desalination system transformation Desalination is the core of preparing high-purity desalinated water, and the transformation needs to choose an efficient and economical process combination according to the requirements of raw water quality and production water. Reverse osmosis (RO) syst

em: As the core equipment for pre desalination, its desalination rate is generally ≥ 98%, which can remove the vast majority of dissolved salts, organic matter, and microorganisms in water, greatly reducing the load on subsequent ion exchange systems. Mixed ion exchanger (mixed bed): located after reverse osmosis, it undergoes precision treatment and produces high-purity desalinated water with a resistivity of 10-18 M Ω· cm through the mixing of cation and anion exchange resins, directly meeting the feedwater requirements of medium and high pressure boilers. • Electric Desalination (EDI) Device: A deep desalination technology that does not require acid-base regeneration. It continuously produces ultrapure water through electric energy and is suitable as an alternative or supplementary solution to mixed beds, achieving green and unmanned operation.

3. The control system and automation are the focus of modernization transformation, aiming to improve stability and reduce labor costs.

. PLC+upper computer monitoring system: The core control unit realizes the automatic start stop and linkage of water pumps, valves, and dosing systems, and monitors key parameters such as flow rate, pressure, water quality (such as conductivity, pH value, SDI value) in real time. Optimization of dosing system: Automatically and accurately dosing scale inhibitors, reducing agents, non oxidizing bactericides, and other agents based on the inlet water quality, effectively preventing scaling, fouling, and oxidative damage to the reverse osmosis membrane. • Chemical Cleaning System (CIP): Equipped with an integrated chemical cleaning device for reverse osmosis and ultrafiltration membranes, it can be cleaned regularly or as needed online to

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