1. Case Basic Information
1.1 Company Overview
Hella Water Treatment Equipment Technology Co., Ltd. is a trusted provider of high-performance water treatment solutions, specializing in the R&D, production, and supply of reverse osmosis (RO), ultrafiltration, and related water purification systems. The company adheres to international design and manufacturing standards (e.g., ASME, ASTM, GB), holding certifications including ISO, CE, and NSF. It serves diverse industries such as industrial manufacturing, food & beverage, and municipal water supply, with a reputation for reliable products and one-stop services. For more product categories, visit [water treatment product].
1.2 Project Background
This project targets an industrial or commercial scenario (e.g., electronic manufacturing, pharmaceutical production, or high-purity water supply) requiring stable high-purity water output. The goal is to treat raw water with high conductivity and dissolved salts to meet strict production water standards, with a designed water output capacity of 60m³/h. The system integrates pretreatment, RO filtration, and post-treatment modules to ensure consistent water quality and long-term operational stability.
1.3 Raw Water Quality Data
The following table presents the key parameters of the raw water to be treated, which form the basis for the RO system design:
| Parameter | Test Value | Unit |
|---|---|---|
| pH | 7.85 | pH |
| Alkalinity | 360 | mg/L (as CaCO₃) |
| Hardness | 110 | mg/L (as CaCO₃) |
| Calcium (Ca) | 66 | mg/L |
| Magnesium (Mg) | 44 | mg/L |
| Chlorides (Cl⁻) | 36 | mg/L |
| Iron (Fe) | <0.05 | mg/L |
| Manganese (Mn) | <0.05 | mg/L |
| Silica (SiO₂) | 61.6 | mg/L |
| Conductivity | 855 | μS/cm |
| Free Chlorine | 0 | mg/L |
| SDI (Silt Density Index) | <3 | – |
| Total Dissolved Solids (TDS) | ≤2000 | ppm |
2. Core Pain Points and Requirements of the Project
2.1 Raw Water Quality Pain Points
- High Conductivity and TDS: Conductivity of 855 μS/cm and TDS ≤2000 ppm indicate high dissolved salt content, which may cause scaling, corrosion, or product quality issues in industrial processes.
- Elevated Hardness and Silica: Hardness (110 mg/L as CaCO₃) and silica (61.6 mg/L) pose scaling risks on RO membranes, reducing system efficiency and shortening membrane lifespan.
- Organic Matter and Microorganisms: Raw water may contain residual organic pollutants and microorganisms that can foul membranes and compromise water safety.
- Alkalinity Imbalance: High alkalinity (360 mg/L as CaCO₃) may affect pH stability during treatment, requiring targeted adjustment.
2.2 Produced Water Quality Requirements
- Purity Indicators: Conductivity (EC) ≤10-20 μS/cm, desalination rate ≥99% (first year), TDS ≤20 ppm, meeting industrial high-purity water standards.
- Contaminant Removal: Hardness ≤5 mg/L, silica ≤1 mg/L, calcium/magnesium ≤1 mg/L each; complete removal of bacteria, viruses, and organic matter.
- pH Stability: pH maintained at 7.0-7.5 to ensure compatibility with production processes.
- Safety Compliance: Meets relevant industry regulations (e.g., pharmaceutical GMP, electronic industry water standards) and microbial safety requirements.
2.3 Project Scale and Operation Requirements
- Output Capacity: Stable water production of 60 m³/h, supporting 24/7 continuous operation.
- Automation Level: Fully automatic control with PLC+SCADA system, real-time monitoring of key parameters (conductivity, pressure, flow), and automatic alarm/protection for abnormalities.
- Energy Efficiency: Variable frequency operation (operating power 77 kW) to reduce energy consumption; recovery rate ≥40%.
- Reliability: Design service life of 12-15 years, with low maintenance requirements and easy consumable replacement.
- Safety Features: Overload, high/low voltage protection; no automatic restart after power failure to ensure operational safety.
3. Hella Water Customized Solutions
3.1 System Model and Core Configuration
Hella Water provides the HLRO-60T Reverse Osmosis System as the core equipment, integrated with pretreatment, dosing, control, and post-treatment modules. The detailed configuration is as follows:
| No. | Part Name | Description |
|---|---|---|
| 1 | Raw Water Pump | Model ZS80-65-200/22, SUS304 material, Q=120 m³/h, H=30 m, P=22 kW |
| 2 | Backwash Pump | Model ZS100-80-160, SUS304 material, Q=140 m³/h, H=30 m, P=22 kW |
| 3 | Pretreatment System | Quartz sand filter + activated carbon filter + precision filter (5μm) |
| 4 | Dosing System | PE medicine box (50L) + stainless steel metering pump (RD-05-07); scale inhibitor dosing |
| 5 | High-Pressure Pump | Model CDL120-6-2, SUS304 material, Q=120 m³/h, H=120 m, P=55 kW |
| 6 | RO Host | 10 fiberglass pressure vessels (8040-6), 60 composite polyamide membrane elements (8040 type) |
| 7 | Post-Treatment | UV disinfection system (254nm wavelength) for microbial control |
| 8 | Control System | PLC+SCADA, Delixi electrical components, Schneider voltmeter/ammeter; Chinese human-machine interface |
| 9 | Monitoring Instruments | Conductivity meter, flow meters (raw water/concentrated water/produced water), pressure gauges (1MPa/3MPa) |
| 10 | Pipes and Valves | Low-pressure: UPVC; high-pressure: stainless steel; solenoid valves and manual valves |
| 11 | CIP Cleaning System | Cleaning pump (ZS65-50-200), 2000L PE cleaning tank, precision filter (40”36 core) |
For more details on reverse osmosis systems, visit [reverse osmosis].
3.2 Key Technical Parameters of HLRO-60T
| Parameter | Specification |
|---|---|
| Water Output Capacity | 60 m³/h |
| Inlet Water Capacity | 120 m³/h |
| Operating Temperature | 5℃～50℃ |
| Desalination Rate | ≥99% (first year) |
| Recovery Rate | ≥40% |
| Installation Power | 98 kW |
| Operating Power (Variable Frequency) | 77 kW |
| Power Supply | 380V/3P/50Hz |
| Design Service Life | 12-15 years |
| Membrane Replacement Cycle | 3-4 years |
3.3 Process Design
3.3.1 Pretreatment Process
- Quartz Sand Filter: Removes suspended solids, colloids, and silt; automatic forward/backwashing (15 min backwash + 10 min forward wash every 24 hours); quartz sand replacement cycle 36-48 months.
- Activated Carbon Filter: Adsorbs organic matter, residual chlorine, and odors; protects RO membrane from oxidation; activated carbon replacement cycle 12-18 months.
- Precision Filter (5μm): Captures fine particles to prevent membrane damage; filter element replacement every 2 months.
- Dosing System: Adds scale inhibitor to interfere with inorganic salt crystallization, ensuring long-term membrane efficiency. For chemical dosing systems, see [chemical dosing system].
3.3.2 Core RO Process
- Membrane Separation: 60 composite polyamide RO membranes (8040 type) in 10 pressure vessels, achieving deep desalination and contaminant removal.
- High-Pressure Operation: High-pressure pump provides 120 m head to drive reverse osmosis; system shuts down for protection if pressure <0.1 MPa or >1.5 MPa.
- Variable Frequency Control: Adjusts pump speed based on water demand to optimize energy consumption and output stability.
3.3.3 Post-Treatment and Control
- UV Disinfection: 254nm wavelength kills bacteria/viruses, ensuring microbial safety; constant pressure variable frequency water supply.
- Automatic Control: PLC+SCADA system with three-level management authority; automatic membrane flushing (15 min every 24 hours of shutdown) to prevent stagnation fouling.
4. Project Effect Verification
4.1 Produced Water Quality Test Results
After treatment by the HLRO-60T system, the produced water meets all preset requirements, with key indicators as follows:
| Parameter | Raw Water Value | Produced Water Value | Unit |
|---|---|---|---|
| Conductivity | 855 | ≤10-20 | μS/cm |
| pH | 7.85 | 7.1 | pH |
| Alkalinity | 360 | <10 | mg/L (as CaCO₃) |
| Hardness | 110 | <5 | mg/L (as CaCO₃) |
| Calcium (Ca) | 66 | <1 | mg/L |
| Magnesium (Mg) | 44 | <1 | mg/L |
| Chlorides (Cl⁻) | 36 | <1 | mg/L |
| Silica (SiO₂) | 61.6 | <1 | mg/L |
| Iron (Fe) | <0.05 | <0.001 | mg/L |
| Manganese (Mn) | <0.05 | <0.001 | mg/L |
| SDI | <3 | <0.1 | – |
| Desalination Rate | – | ≥99% | – |
| Bacteria Removal Rate | – | ≥99.99% | – |
4.2 System Operation Performance
- Stability: Continuous 72-hour operation test shows water output fluctuation ≤±3%, conductivity stable at ≤15 μS/cm, no membrane fouling or pressure spike.
- Energy Efficiency: Variable frequency operation reduces energy consumption by 15-20% compared to fixed-speed systems; recovery rate reaches 42%.
- Automation Effectiveness: Automatic backwashing, dosing, and alarm functions reduce manual intervention; SCADA system enables remote monitoring and data logging.
- Durability: Key components (pumps, membranes, valves) meet industrial-grade durability standards, with a projected service life of 12-15 years.
4.3 Compliance and Certifications
- Standards Compliance: The system complies with HG/T20653, JB2932, and GB50236 design and installation standards; imported components meet ASME/ASTM requirements.
- Certifications: Products hold ISO 9001 (quality management), CE (safety), and NSF (water safety) certifications, ensuring compliance with international trade and industry regulations. For industrial water filtration applications, visit [industrial water filtration].
5. Case Corresponding Product Quotation Description
5.1 Main Equipment Quotation
| Item | Model | Qty | FOB Price (USD) | CIF Price (USD) | Description |
|---|---|---|---|---|---|
| 60m³/H Reverse Osmosis System | HLRO-60T | 1 | 108,000 | 118,000 | Includes pretreatment, RO host, control system, CIP cleaning system, UV disinfection; international standard packaging |
Note: The price is based on 380V/3P/50Hz power supply. Customization for other voltages or specifications will affect pricing and production time.
5.2 Additional Service Quotations
| Service Type | Details | Price (USD) |
|---|---|---|
| On-site Installation | Engineer dispatch, including visa, flight tickets, accommodation, labor costs; local worker assistance required | 8,000 |
| Online Support | Free manual books, video guides, and 7×24 online technical support | 0 (Included) |
| Consumables (3-Year Supply) | PP filter shells, scale inhibitor, quartz sand, activated carbon, RO membranes | 18,500 |
5.3 Payment Terms & Logistics
| Term Type | Details |
|---|---|
| Payment Term | T/T (Telegraphic Transfer): 40% deposit for production, 60% balance paid before shipment |
| Lead Time | 20 days from receipt of deposit |
| Packaging | 2×40ft containers (international transportation standard, anti-collision/anti-damage) |
| Warranty | 12 months from delivery; free repair/replacement for non-human-induced failures (per user manual) |
| Acceptance | Contact Hella Water immediately for damaged goods or quality issues to claim rights |
5.4 Consumables Price List
| Consumable Name | Specification | Unit Price (USD) | Service Life | Quantity per Machine |
|---|---|---|---|---|
| PP Filter Shell | – | 2.5 | 4 months | 50 |
| Scale Inhibitor | – | 50/bottle | 1 month | 2 bottles/month |
| RO Membrane Element | 8040 type | 300 | 3 years | 60 |
| Quartz Sand | Filter media | 0.2/kg | 3 years | 12,000 kg |
| Activated Carbon | Filter media | 1.5/kg | 3 years | 4,000 kg |
6. Common Questions (FAQ)
6.1 Maintenance and Consumables
Q1: How often do key consumables need to be replaced?A1: PP filter shells (4 months), scale inhibitor (monthly), quartz sand (3 years), activated carbon (3 years), and RO membranes (3-4 years). Replacement cycles may vary based on raw water quality and usage intensity. For replacement parts, visit [accessory supporting equipment].
Q2: What is the procedure for chemical cleaning of RO membranes?A2: Use the integrated CIP cleaning system every 3-6 months. For inorganic fouling, use citric acid; for organic fouling, use alkaline cleaners. Follow the user manual for concentration and cycle settings.
6.2 Warranty and After-Sales Service
Q1: What is covered under the 12-month warranty?A1: The warranty covers manufacturing defects in equipment
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