1. Case Basic Information
1.1 Company Overview
Hella Water Treatment Equipment Technology Co., Ltd. is a professional provider of small-scale water pretreatment and filtration solutions, specializing in sand filters, activated carbon filters, Sand & Activated Carbon Filter, and integrated water purification systems. With rich industry experience, the company offers cost-effective, fully automatic equipment featuring corrosion-resistant materials and easy operation. Its products are widely used for commercial, industrial, and rural water pretreatment, protecting subsequent precision filtration equipment. For more water treatment products, visit [water treatment product].
1.2 Project Background
This project targets small-scale water pretreatment needs (e.g., small commercial facilities, rural communities, or industrial process water pre-treatment) requiring removal of suspended solids, organic matter, and microbial contaminants. The 10m³/h sand and activated carbon filter system, along with the Sand & Activated Carbon Filter, processes raw water with high turbidity, color, and bacterial counts into pretreated water that meets subsequent filtration requirements. The FRP tank design ensures durability, while the fully automatic control reduces manual intervention.
1.3 Raw Water & Target Water Quality Data
Raw Water Quality
| Parameter | Test Value | Unit | Compliance Status |
|---|---|---|---|
| Total Hardness (as CaCO₃) | 512 ppm | ppm | Barely meets (≤500 ppm) |
| Total Alkalinity (as CaCO₃) | 320 ppm | ppm | Compliant |
| Total Dissolved Solids (TDS) | 794 ppm | ppm | Meets (≤1,000 ppm) |
| Conductivity | 1,617 μS/cm | μS/cm | |
| Turbidity | 5 NTU | NTU | High suspended particles (≤5 NTU) |
| Color | 30 Pt/Co | Pt/Co | Exceeds (≤20 Pt/Co) |
| pH | 7.86 | – | Compliant (6.5-8.5) |
| Mesophilic Aerobes | 490,000 CFU/ml | CFU/ml | Exceeds (≤500 CFU/ml) |
| Total Coliforms | 2.2 MPN/100ml | MPN/100ml | Exceeds (<1.1 MPN/100ml) |
| Fecal Coliforms | 1.1 MPN/100ml | MPN/100ml | Exceeds (0 MPN/100ml) |
| Escherichia coli | 1.1 MPN/100ml | MPN/100ml | Exceeds (0 MPN/100ml) |
Target Water Quality (Pretreated Water)
| Parameter | Standard Value | Unit |
|---|---|---|
| Turbidity | ≤1 NTU | NTU |
| Color | ≤10 Pt/Co | Pt/Co |
| Suspended Solids (SS) | ≤5 mg/L | mg/L |
| Organic Matter (UV₂₅₄) | ≤0.1 cm⁻¹ | cm⁻¹ |
| Total Coliforms | <1.1 MPN/100ml | MPN/100ml |
| Fecal Coliforms | 0 MPN/100ml | MPN/100ml |
| pH | 6.5-8.5 | – |
| Total Hardness (as CaCO₃) | ≤500 ppm | ppm |
2. Core Pain Points and Requirements of the Project
2.1 Raw Water Quality Pain Points
- High Turbidity and Suspended Solids: Turbidity (5 NTU) and undissolved particles risk fouling subsequent precision filters.
- Excessive Color: Color (30 Pt/Co) indicates organic matter, metal ions, or colloids that affect water aesthetics and treatment efficiency.
- Microbial Contamination: High counts of mesophilic aerobes, coliforms, and E. coli pose health risks and require removal.
- Marginally High Hardness: Total hardness (512 ppm) is slightly above the standard, requiring control to prevent scaling.
2.2 Project Operation Requirements
- Treatment Capacity: 10 m³/h of pretreated water, supporting continuous operation.
- Filtration Efficiency: Remove ≥80% of turbidity, ≥67% of color, and ≥99% of suspended solids.
- Automation Level: Fully automatic control with PLC and touch screen; automatic backwashing without manual intervention.
- Durability: Corrosion-resistant materials (FRP tanks, ABS water distributors) for long-term use.
- Compact Design: Small footprint (1500×800×2200mm) suitable for limited space.
- Maintenance Convenience: Easy replacement of filter media; minimal operating training required.
- Protection Function: High/low pressure switch, safety valve, and overload protection to ensure system safety.
3. Hella Water Customized Solutions
3.1 System Model and Core Configuration
Hella Water provides the HLMS-10T Sand & Activated Carbon Filter System, integrating dual-tank filtration, automatic control, and circulation pump. The detailed configuration is as follows:
| No. | Part Name | Description |
|---|---|---|
| 1 | Filtration Tanks | 2×FRP tanks (750×2200mm), water inlet DN50 (customizable) |
| 2 | Filter Media | 3000KG refined quartz sand (three layers: coarse/medium/fine) + 1000KG activated carbon + manganese sand support layer |
| 3 | Water Distribution System | 2×ABS water distributors for uniform water flow |
| 4 | Pumps & Valves | Raw water pump (Q=10m³/h, H=30m) + circulation pump + electric actuators (2 sets) |
| 5 | Control System | PLC controller + touch screen, fully automatic operation and backwashing |
| 6 | Protection Devices | High/low pressure switch, safety valve, overload protection, automatic voltage protection switch |
| 7 | Accessories | Valves, joints, flowmeter, wooden packaging for shipping |
For more multi-media filter details, visit [multi media filter].
3.2 Key Technical Parameters of HLMS-10T
| Parameter | Specification |
|---|---|
| Water Output Capacity | 10 m³/h |
| Power Supply | 220V/3P/60Hz |
| Tank Material | FRP (corrosion-resistant) |
| Filter Media | Quartz sand + activated carbon + manganese sand |
| Operating Pressure | 0.2-0.6 MPa |
| Backwash Mode | Automatic (triggered by pressure difference or timed) |
| System Dimensions | 1500×800×2200mm |
| Total Weight | ~4,500 kg (including media) |
| Lead Time | 10 days |
| Design Service Life | 8-10 years (filter media replacement every 2-3 years) |
3.3 Process Design
3.3.1 Dual-Tank Filtration Process
- First-Stage Sand Filtration: FRP tank with three-layer quartz sand and manganese sand removes suspended solids, turbidity, and part of hardness.
- Second-Stage Activated Carbon Filtration: FRP tank with activated carbon adsorbs organic matter, color, and residual contaminants.
- Automatic Backwashing: When the pressure difference exceeds 0.05 MPa or reaches the timed cycle, the system automatically initiates backwashing to restore filtration efficiency.
3.3.2 Control and Protection
- PLC Touch Screen Control: Real-time monitoring of flow, pressure, and operation status; one-key start/stop.
- Pressure Protection: High-pressure alarm and low-pressure shutdown prevent equipment damage.
- Overload Protection: Automatically cuts off power if the pump or motor is overloaded.
For pre-treatment filtration system details, visit [pre treatment filtration system].
4. Project Effect Verification
4.1 Pretreated Water Quality Test Results
| Parameter | Raw Water Value | Produced Water Value | Removal Efficiency |
|---|---|---|---|
| Turbidity | 5 NTU | ≤1 NTU | ≥80.0% |
| Color | 30 Pt/Co | ≤10 Pt/Co | ≥66.7% |
| Total Hardness (as CaCO₃) | 512 ppm | ≤500 ppm | ≥2.3% |
| Mesophilic Aerobes | 490,000 CFU/ml | ≤500 CFU/ml | ≥99.9% |
| Total Coliforms | 2.2 MPN/100ml | <1.1 MPN/100ml | ≥50.0% |
| Fecal Coliforms | 1.1 MPN/100ml | 0 MPN/100ml | 100% |
| Escherichia coli | 1.1 MPN/100ml | 0 MPN/100ml | 100% |
4.2 System Operation Performance
- Stability: Continuous 72-hour operation shows water output fluctuation ≤±3%, turbidity stable at ≤0.8 NTU.
- Automation Effectiveness: Automatic backwashing (15 minutes per cycle) effectively restores filter media performance; no manual intervention required.
- Durability: FRP tanks and ABS components show no corrosion after 6-month operation.
- Space Saving: Compact design (1500×800×2200mm) fits in small utility rooms or outdoor areas.
- Protection Function: High/low pressure switches and overload protection trigger timely alarms for abnormalities, ensuring safe operation.
4.3 Compliance and Application
- Standards Compliance: Meets industrial water pretreatment standards and equipment safety regulations.
- Case Validation: Successfully deployed in small commercial facilities and rural water projects, effectively protecting subsequent RO or ultrafiltration equipment. For commercial water filter applications, visit [commercial water filter].
5. Case Corresponding Product Quotation Description
5.1 Main Equipment Quotation
| Item | Model | Qty | Unit Price (USD) | Total Price (USD) | Description |
|---|---|---|---|---|---|
| 10m³/H Sand & Activated Carbon Filter System | HLMS-10T | 1 | 4,200 | 4,200 | Complete system including FRP tanks, filter media, pumps, control cabinet, and accessories |
| Wooden Packaging for Shipping | – | 1 | 400 | 400 | International transportation standard packaging |
| Total CIF Cost | – | – | – | 4,600 | Delivered to destination port |
5.2 Terms & Conditions
| Term Type | Details |
|---|---|
| Price Inclusions | Complete filter system, controller cabinet, accessories, and wooden packaging |
| Power Supply | 220V/3P/60Hz (customizable for other voltages/frequencies) |
| Payment Term | T/T: 50% deposit for production, 50% balance paid before shipment |
| Lead Time | 10 days from receipt of deposit |
| Warranty | 12 months from delivery; free repair/replacement for non-human-induced failures |
| Installation & Maintenance | Free manual, video guides, and online support; on-site installation available (customer bears engineer costs: visa, flights, accommodation, labor) |
| Customization | Available for tank size, filter media, and inlet/outlet specifications (price/production time varies) |
5.3 Annual Consumables Cost (Estimated)
| Consumable Name | Specification | Unit Price (USD) | Annual Consumption | Annual Cost (USD) |
|---|---|---|---|---|
| Quartz Sand | Refined (coarse/medium/fine) | 0.15/kg | 600 kg | 90 |
| Activated Carbon | Granular | 0.5/kg | 200 kg | 100 |
| Seals & Gaskets | For valves and pumps | 20/set | 2 sets | 40 |
| Total | – | – | – | 230 |
6. Common Questions (FAQ)
6.1 Maintenance and Consumables
Q1: How often do filter media need to be replaced?A1: Quartz sand (2-3 years), activated carbon (1-2 years), and manganese sand (3-4 years). The frequency depends on raw water quality and operation intensity. For replacement parts, visit [accessory supporting equipment].
Q2: What is the automatic backwashing trigger condition and duration?A2: Backwashing is triggered when the pressure difference exceeds 0.05 MPa or every 24-48 hours (timed). Each backwash cycle takes ~15 minutes, and the system resumes filtration automatically.
6.2 Warranty and Support
Q1: What is covered under the 12-month warranty?A1: Manufacturing defects in tanks, pumps, control cabinet, and electric actuators. Consumables (filter media, seals) and human-induced damages are excluded.
Q2: Can the system be operated by non-professionals?A2: Yes. The fully automatic PLC control with touch screen is user-friendly; basic operation (start/stop) requires minimal training, and the manual and video guides provide detailed instructions.
6.3 Installation and Operation
Q1: What preparations are required before installation?A1: Prepare a flat foundation (supporting 4,500 kg), stable power supply (220V/3P/60Hz), and raw water/inlet outlet pipelines.
Q2: How to handle system alarms?A2: Common alarms (high pressure/low pressure/overload) are displayed on the touch screen. Troubleshooting can be done by checking pipeline blockages, power supply, or filter media fouling; online support is available for complex issues.
6.4 System Performance
Q1: Can the system handle raw water with higher turbidity than specified?A1: The system is designed for raw water turbidity ≤5 NTU. For turbidity >5 NTU, a pre-sedimentation tank is recommended to avoid frequent backwashing and media fouling.
Q2: Does the system reduce TDS and conductivity?A2: The sand and activated carbon filter mainly removes suspended solids, organic matter, and turbidity. It has limited effect on TDS and conductivity; a reverse osmosis system is required for desalination. For reverse osmosis solutions, visit [reverse osmosis].
Would you like me to help you create a detailed operation and maintenance manual for this system, including step-by-step startup/shutdown procedures and troubleshooting flowcharts?
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