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Equipment Description:

1. Equipment Function Description
Pure water equipment (also known as ultrapure water preparation system) is an integrated system that processes raw water (such as tap water) into high-purity water (resistivity ≥ 18.2 MΩ·cm) through multi-stage filtration, ion exchange, reverse osmosis (RO), electrodeionization (EDI) and other technologies.
‌Core Application‌:
Laboratory analysis (HPLC, mass spectrometry, etc.)
Electronic industry (chip cleaning, photovoltaic cell manufacturing)
Pharmaceutical production (water for injection, biological preparations)
Chemical/electricity (boiler feed water, cooling circulating water)
II. Process flow diagram
Raw water → pretreatment → security filter → high pressure pump → RO membrane → intermediate water tank
→ EDI module → polishing resin → UV sterilization → ultrapure water storage tank → terminal point of use
III. Key parameters for selection
‌Water output‌: 50L/h~20m³/h (customized on demand)
‌Water quality level‌: Grade I water (resistivity ≥18.2 MΩ·cm, TOC≤5ppb)
Grade II water (resistivity ≥1 MΩ·cm, TOC≤50ppb)
‌Standards met‌: Chinese Pharmacopoeia/ USP<645>/ASTM D1193
‌Energy-saving technology‌: Energy recovery device (recovery rate ≥ 95%)
IV. Highlights of technology upgrades in 2025
‌AI predictive maintenance‌: Predict membrane pollution trends through water quality big data and automatically adjust the cleaning cycle.
‌Nanocatalytic oxidation‌: Integrate new catalysts to degrade organic pollutants in RO concentrated water (reduction of emissions by 50%+).
‌IoT integration‌: Support cloud monitoring, remote start and stop/parameter correction (in line with Industry 4.0 standards).

Main structures and components

1. Main structure and design
The pure water equipment adopts modular graded treatment, and the key structure is as follows:
Structural module functions and characteristics
1. Pretreatment system - Multi-media filter: remove suspended matter and sediment (quartz sand/activated carbon layer)
- Softener: ion exchange resin removes Ca²⁺ and Mg²⁺ (anti-RO membrane scaling)
2. Reverse osmosis (RO) unit - High-pressure pump + RO membrane: remove 97%-99% ions, organic matter, and microorganisms
- Membrane material: polyamide composite membrane (pressure resistance ≥1.5MPa)
3. Fine treatment system - EDI module: Electrodeionization technology replaces traditional mixed bed, no acid-base regeneration required
- Polishing resin: terminal treatment makes the resistivity reach 18.2 MΩ·cm
4. Water storage and circulation - ‌Sterile water tank‌: 316L stainless steel + nitrogen seal to prevent CO₂ dissolution
- ‌Circulation pump‌ + UV sterilization: maintain the purity of ultrapure water
‌5. Intelligent control‌ - PLC + touch screen: real-time monitoring of water quality (conductivity/TOC/flow)
- Support automatic flushing, fault alarm (such as low pressure/high salinity)
II. List of core components
‌RO membrane assembly‌
Specifications: 4040/8040 spiral membrane (single water output 0.5-3m³/h)
Desalination rate: ≥98% (standard test conditions 25℃)
‌EDI module‌
Technical parameters: current 0.5-6A, water resistivity 15-18.2 MΩ·cm
Brand examples: Siemens IONPURE, Evoqua
‌Water quality monitoring instrument‌
Online conductivity meter (accuracy ±0.1 μS/cm)
TOC analyzer (detection limit ≤1 ppb)
‌Sterilization device‌
Ultraviolet lamp (254nm wavelength, dose ≥30mJ/cm²)
Ozone generator (optional, used for water tank disinfection)

Features:

1.High cost performance: Based on the customer's product positioning and development strategy, and with economic affordability as the foundation, we achieve the best cost performance.
2.The advanced and meticulous design concept of the equipment, along with the highly automated industrial equipment, showcases the image of a modern and advanced enterprise.
3. It has high adaptability, meeting the current production requirements and reserving room for development, taking into account the needs of increased production and improved quality in the future.
4.Quality compliance strictly adheres to the ISO900 quality management system, with every minute detail of the entire equipment installation being strictly controlled.