Jiangsu Shuangfu Environmental Protection Equipment Co., Ltd

Integrated water treatment system solution providerOne-stop standardized water treatment equipment manufacturing enterprise
Consultation Hotline:+86 18559799562

Double stage reverse osmosis+EDI ultra pure water equipment

Provide one-stop solutions from design, production, and installation

  • Processing capacity:0.25-500m³/h
  • Material:UPVC/SS304/SS316/Clean-pvc/PVDF
  • Desalination rate:99.8%
  • Application:Electronics, pharmaceuticals, power, chemicals, electroplating and surface treatment, food and beverage, medical, photovoltaics, laboratories and research institutions, glass manufacturing, optical lenses, petrochemicals, new energy batteries, biotechnology
Free design proposal
ISO 9001 certification
ISO 4001 certification
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Consultation hotline +86 18559799562
  • Product Details
  • after-sales service
  • Brand Advantage
  • Scope of application

1、 Overall composition of the equipment (disassembled from front to back according to the process flow)
The complete process of this equipment: pretreatment system → first stage reverse osmosis (RO) → second stage reverse osmosis (RO) → EDI electric desalination and ultra purification system → fully automatic electronic control system

  1. Preprocessing unit (2 large fiberglass tanks in the picture)
    Tank body: 2 large FRP fiberglass filter tanks, equipped with 8 Runxin automatic multi way valves (4 up and 4 down)
    Upper tank 1: Quartz sand filter (removes sediment, colloids, suspended solids, and rust)
    Upper tank 2: Activated carbon filter (adsorbs residual chlorine, organic matter, and unusual odors to protect the reverse osmosis membrane)
    Lower tank: Cation softener (reduces raw water hardness and prevents membrane element scaling)
    Supporting: Pre installed 5 μ m stainless steel precision security filter to intercept small particles and protect the high-pressure pump and membrane components
    Pipeline: Low pressure UPVC anti-corrosion pipeline with pressure gauge, manual ball valve, automatic flushing valve
  2. Primary reverse osmosis system (primary RO)
    Membrane element: Huitong Hongsun 8040 commercial reverse osmosis membrane (high flow industrial membrane, single standard water production of 1 ton/hour)
    Membrane shell: Multiple 8-inch membrane shells arranged in parallel, fixed with vertical stainless steel brackets
    Power: First stage high-pressure vertical stainless steel high-pressure pump, providing reverse osmosis operating pressure
    Monitoring: Each membrane shell is equipped with a flow meter and pressure gauge to monitor the membrane pressure difference and water production flow rate in real-time
    Function: Remove over 98% of salt, heavy metals, bacteria, and particulate matter from water, and produce primary pure water
  3. Secondary Reverse Osmosis System (Secondary RO)
    Using 8040 reverse osmosis membrane elements and independent high-pressure pump for boosting
    The incoming water is first stage RO produced water, which is purer and further desalinated. The conductivity of the produced water can be reduced to within 2 μ S/cm
    Supporting concentrated water reflux pipeline to improve water recovery rate and save water resources
  4. EDI electric desalination ultra pure water unit (core high-precision processing section)
    Core component: VEOLIA E-CELL industrial EDI module (international first-line brand electric desalination stack)
    Principle: No need for acid-base regeneration, continuous deep removal of residual ions in water, producing 15-18.2M Ω· cm ultrapure water
    Supporting EDI booster pump, rectifier power supply, and online monitoring instrument for water production resistivity
  5. Fully automatic electrical control system
    Integrated large PLC touch screen control cabinet: human-machine interface touch operation, fully automatic operation
    Instrument configuration: Raw water conductivity, primary water conductivity, secondary water conductivity, EDI water resistivity online display screen
    Protection functions: high and low voltage protection, water shortage protection, automatic timed flushing, fault sound and light alarm, automatic shutdown, remote monitoring reserved interface
    Control logic: automatic regeneration of pre-processing, automatic flushing of RO, continuous and stable operation of EDI, capable of 24-hour unmanned operation
    2、 Determination of hourly water production of equipment
    Core basis: The EDI module model is the Veolia E-CELL 3X standard module, with a single module rated water production capacity of 5m ³/h (5 tons/hour) for ultrapure water
    Reverse osmosis membrane configuration: Both primary and secondary RO are equipped with corresponding quantities of 8040 membranes, matching the stable inlet water demand of EDI 5 tons/hour
    Rated standard water production: Equipment terminal ultra pure water output of 5 tons/hour (5m ³/h)
    Primary RO water production: approximately 6-6.5 tons/hour (with reserved EDI inlet flow rate and residual loss of concentrated water)
    Secondary RO water production: approximately 5.5 tons/hour
    EDI final product ultrapure water: stable at 5 tons/hour

3、 Equipment applicable industry fields (dual level RO+EDI ultra pure water universal scenario)

  1. Electronic Semiconductor/Photovoltaic New Energy (Core Adaptation Industry)
    Cleaning of chips, wafers, PCB circuit boards, and FPC flexible circuit boards
    Production and cleaning of photovoltaic single/polycrystalline silicon, lithium batteries, and energy storage batteries
    LCD panel LED、 Optical component rinsing requires ultrapure water of 15M Ω· cm or more to avoid ion short circuits and product yield decline
  2. Pharmaceutical and Biomedical Industries
    Preparation of pre purified ultrapure water for pharmaceutical GMP purified water and injection water
    Biological laboratory, medical equipment cleaning, medical dialysis pure water
    Reagents, culture media, vaccine production water, free of ion and heat source pollution
  3. Electroplating and surface treatment industry
    Precision electroplating, nickel/gold/chromium plating, anodizing production line
    Etching and cleaning processes for circuit boards to prevent coating pitting, color difference, and rapid deterioration of the plating solution
  4. Laboratories and testing institutions
    Third party testing laboratory, university research laboratory, physical and chemical analysis ultra pure water
    Water supply for precision analytical instruments such as atomic absorption spectroscopy, liquid chromatography, and mass spectrometry
  5. Power and boiler water replenishment
    High pressure boiler feedwater for thermal power plants and gas-fired power plants to prevent pipeline scaling and corrosion
    Ultra pure water cooling system for energy storage power plants
  6. Fine chemicals and cosmetics
    Production of pure water from skincare products, raw materials, and makeup ingredients
    Fine chemical reagents, high-purity solvents for water preparation
  7. Other high-precision water use scenarios
    Ultrasonic cleaning of glass and optical lenses
    New energy hydrogen water production, high-purity water supply for high-pressure humidifiers
    High end ingredients for food and beverage, sterile filling process, pure water
    4、 Core advantages of equipment
    Mature technology: Dual stage RO+EDI combination, stable effluent quality up to 18.2M Ω· cm ultra pure water, no need for acid-base regeneration, environmentally friendly and non hazardous waste
    Fully automatic operation: PLC touch screen control, automatic regeneration of pre-processing, automatic flushing of membrane components, reducing manual operation and maintenance
    High end configuration: Veolia EDI, Huitong reverse osmosis membrane, stainless steel high-pressure pump, automatic multi way valve, long service life of equipment
    Integrated pry mounting type: The whole machine is integrated with a steel frame for pry mounting, and can be put into operation with only water and electricity connections on site, occupying a small area

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after-sales service
1. Archive exclusive data files, including all relevant information from design to production and operation, and keep detailed records of all equipment after-sales service reports for more than 15 years.
2. Lifelong telephone follow-up for equipment operation, maintenance, and repair.
3. Remind customers via SMS and phone to replace consumables.
4. Track the maintenance status of customers who have had their equipment repaired.
5. Remind customers to send back equipment operation records, and the technical department of SHUANGFU Environmental Protection will conduct technical analysis on the data to assess the overall system operation status and take preventive measures.
6. Propose a solution for equipment malfunctions within 30 minutes.
details
1. Upon receiving a notification of equipment malfunction and repair, propose a solution within 30 minutes.
2. The Customer File Management Center establishes exclusive customer files, which are updated and managed by dedicated after-sales professionals at any time. They conduct after-sales follow-ups on equipment and conduct follow-up visits after equipment maintenance to determine the efficiency and satisfaction level of equipment maintenance.
3. Provide system documentation for equipment design, manufacturing, verification, and operation to achieve traceability in equipment management.
4. After-sales professionals proactively conduct regular monthly phone follow-ups, record relevant data, provide methods to reduce operating costs at any time, remind of maintenance and consumable replacement, and other related matters, offer preventive maintenance and effective improvement and optimization suggestions, and can assist in transformation and upgrading. Professional engineers conduct regular on-site follow-ups to make correct judgments on the overall system operation, and prevent potential issues from arising.
5. Train at least 2-3 equipment operation and management personnel. After training, conduct skill confirmation and assessment. Those who pass the exam can take up their positions. Generally, our company requires the customer to arrange 1-2 people to participate in the entire installation process to ensure that the operators have a comprehensive understanding of the system.
6. For any questions or suggestions regarding the equipment usage, abnormal phenomena, special requirements, etc., customers can call the after-sales service hotline at +86 18559799562.
7. Equipment comes with consumable spare parts, and the company's warehouse is well-stocked with commonly used consumable accessories. We will promptly provide maintenance parts and materials to the site to address any issues.
8. Provide a system for equipment inspection and management, and guide the establishment of standardized management systems, management plans, relevant processes, and regulations for purified water.
We will tailor-make a construction plan based on your specific needs! All information will be retained for 15 years to facilitate future upgrades and renovations!

"Design Advantages":
1. One-on-one professional service, free on-site site survey, considering the placement area and entry space, and free testing of raw water quality.
2. Understand the customer's daily water demand, instantaneous water consumption, water quality requirements, as well as their production process and industry characteristics.
3. A professional team collaborates on the design, integrates on-site inspections by one-on-one service personnel, and offers one-stop services for water treatment solutions.
4. Intelligent design, precise control, high degree of automation, automatic forward/reverse washing/operation of each unit, linkage protection, alarm indication, 4-20ma data open, remote transmission to DCS central control system, truly achieving unattended operation.
5. Conduct segmented testing according to process requirements, measuring parameters such as conductivity, resistivity, pH, ORP, temperature, flow rate, velocity, and pressure, to ensure that the product water in each process step is qualified without contaminating the finished water in subsequent stages. Emphasis should be placed on process control.
6. Design products suitable for customers based on the principle of balancing comprehensive input costs and usage costs.

※SHUANGFU Environmental Protection Brand "Production Advantages":
1. All core components are imported, and we have established good long-term cooperative relationships with numerous international brands such as DOW, Hydranautics, GE, Siemens, Rohm and Haas, Grundfos, Rosemount, Seiko, Schneider, etc. This ensures reliable product quality.
2. Suppliers undergo product assessment, and unqualified suppliers with poor quality and service are eliminated, while preferred suppliers are selected and entered into the qualified supplier system.
3. Strictly implement the quality management system, with quality as the top priority, and conduct incoming material appearance and performance inspection -- production process inspection -- complete machine quality inspection.
4. Production personnel are assigned corresponding numbers for production, grouped and scheduled for production, with a division of responsibilities based on a responsibility system. Performance evaluation and strong traceability are established.
5. Conduct trial operation inspection and electrical jog test before the shipment of the entire machine to ensure that only qualified products are delivered to customers.

Manufacturing industry: automotive glass, steel, paper, textile, etc
Power industry: boiler, thermal power generation, cooling cycle, etc
Catering industry: beverage, food, dairy, drinking water, hotels, etc
Electroplating industry: coating, lighting, cooling, metal plating, LED lights, etc
Optoelectronic industry: photovoltaic photovoltaic lighting, new energy LED lights, etc
Electronics industry: electrical chips, circuit boards, microcontrollers, electronic components, etc
Pharmaceutical industry: Medical devices, oral liquids, finished drugs, biologics, etc
Energy industry: oxide semiconductor silicon materials, polycrystalline silicon metal extraction, etc
◆ Cosmetics industry:
Pure water for skincare production, shampoo production, hair dye production, toothpaste production, and hand sanitizer production
Food, beverage, and purified water industries:
Production of water for food production, beverage production, and purified water
◆ Electronics industry:
Aluminum foil cleaning; Electronic tube spraying and liquid preparation; Cleaning, sedimentation, wetting, film washing, and neck cleaning of the phase display tube glass shell;
LCD screen cleaning and liquid preparation: water for cleaning and preparing silicon wafers of transistors and integrated circuits.
◆ Battery industry:
Pure water for battery production, pure water for lithium battery production, pure water for solar cell production
Pure water for the preparation of concrete admixtures
High purity water for glass coating, water for cleaning glass products, and water for cleaning lamps
◆ Textile printing and dyeing industry:
Pure water for printing and dyeing auxiliary preparation, pure water for wet towel, and pure water for facial mask
Pure water for ultrasonic cleaning
Coating industry: pure water for coating preparation, electroplating preparation cleaning water, electrophoretic paint preparation cleaning pure water

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Service Hotline:
86 18559799562

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