ZL-500T 500 Ton FRP Counter Flow Cooling Tower for Agriculture Food Processing
Agriculture food processing facilities require cooling infrastructure that maintains hygienic operating conditions while complying with FDA 21 CFR 117 (Current Good Manufacturing Practice, Hazard Analysis, and Risk-Based Preventive Controls for Human Food) and USDA FSIS (Food Safety and Inspection Service) regulatory requirements. The ZL-500T 500-ton industrial FRP counter flow cooling tower supports beverage pasteurization, dairy processing, and meat processing cooling applications with optional hygienic design upgrades including smooth FRP surfaces for biofilm prevention, food-grade sealants, and 316L stainless steel hardware for CIP (clean-in-place) compatibility.
The ZL-500T food processing configuration supports FDA 21 CFR 117 Current Good Manufacturing Practice, Hazard Analysis, and Risk-Based Preventive Controls for Human Food regulatory requirements. HACCP (Hazard Analysis Critical Control Points) plan integration: the cooling tower supports identified critical control points (CCPs) for temperature control in pasteurization and heat treatment processes, with continuous temperature monitoring and alarm verification supporting real-time CCP monitoring. Cooling tower operational data supports HACCP recordkeeping per 21 CFR 117.190 (records documentation requirements).
Preventive controls qualified individual (PCQI) training documentation: ZILLION's engineering team supports customer HACCP team training on cooling tower operational parameters relevant to CCP monitoring. Documentation includes: critical limit verification for cooling tower performance parameters (heat rejection capacity, leaving water temperature, approach temperature), monitoring procedures for continuous verification, corrective action procedures for off-specification conditions, and verification activities for HACCP system validation.
The ZL-500T food processing configuration supports USDA FSIS (Food Safety and Inspection Service) regulatory compliance for meat, poultry, and egg product processing establishments. Compliance areas include: sanitary facility design per 9 CFR 416 (Sanitation), HACCP system implementation per 9 CFR 417 (HACCP Systems), and sanitation standard operating procedures (SSOPs) per 9 CFR 416.12. Cooling tower hygienic design features support SSOP implementation including daily cleaning verification, weekly sanitization protocol, and monthly microbiological sampling.
3-A Sanitary Standards compliance for food processing equipment: the ZL-500T food-grade upgrade package complies with 3-A Accepted Practices for sanitary design including smooth product contact surfaces (Ra less than 0.8 micrometers for electropolished stainless steel, less than 1.6 micrometers for FRP gelcoat), sanitary fittings per 3-A standards (Tri-Clover, DIN 11851), sloped internal surfaces for complete drainage (minimum 1:12 gradient), and no dead legs or crevices per 3-A accepted practice.
The ZL-500T food processing configuration supports biofilm prevention through smooth FRP gelcoat surfaces, food-grade silicone sealants, and CIP-compatible design. Biofilm formation rate on smooth FRP gelcoat surfaces measured at less than 0.1 mg/cm2 under standard operating conditions with weekly sanitization cycles, compared to 2-5 mg/cm2 on rough concrete surfaces without sanitization. CIP compatibility: standard 80C purified water CIP cycles, peroxide-based sanitization (up to 1,000 ppm concentration), and peracetic acid sanitization (up to 200 ppm concentration) all supported without material degradation.
Sanitization protocol documentation supports food safety verification per FSIS requirements and HACCP plan critical control point monitoring. Standard protocol: daily visual inspection and rinse, weekly sanitization cycle (200 ppm sodium hypochlorite or peroxide-based, 30-minute contact time), monthly deep sanitization (1,000 ppm peroxide-based, 60-minute contact time), quarterly microbiological swab testing, annual biofilm assessment. ZILLION provides sanitization protocol templates and validation documentation per FDA 21 CFR 117.190 records requirements.
The ZL-500T supports food process-specific cooling applications including: HTST (High-Temperature Short-Time) pasteurization at 72C for 15 seconds with downstream cooling to 4C, requiring chilled water supply of 2-5C for plate heat exchanger service. UHT (Ultra-High Temperature) processing at 135-150C for 2-5 seconds with downstream aseptic cooling to ambient temperature. Wort cooling in brewing operations from boiling to fermentation temperature (20C) over 30-60 minutes. Process cooling load profiles vary 4-5x across these applications, supporting VFD-equipped ZL-500T configuration for optimal part-load efficiency.
Process-specific design considerations: HTST/UHT cooling requires plate heat exchanger capacity verification per process flow rate and temperature differential, with ZILLION's engineering team providing free heat exchanger sizing support per process flow requirements. Brewing wort cooling requires dual-stage cooling (initial rapid cooling from boiling to 80C with recovered energy, secondary cooling to fermentation temperature), with ZL-500T supporting secondary stage at 200-300 kW heat rejection capacity per 100 hl brew batch.
Q1: What FDA regulations does the ZL-500T support?
A1: FDA 21 CFR 117 (Current Good Manufacturing Practice, Hazard Analysis, and Risk-Based Preventive Controls for Human Food) for human food; FDA 21 CFR 110 for dietary supplements; FDA 21 CFR 113 for thermally processed low-acid foods.
Q2: Does the ZL-500T support USDA FSIS compliance?
A2: Yes, supporting 9 CFR 416 (Sanitation), 9 CFR 417 (HACCP Systems), and 9 CFR 416.12 (Sanitation Standard Operating Procedures) for meat, poultry, and egg product processing.
Q3: What sanitization chemicals are supported?
A3: Peroxide-based sanitizers (1,000 ppm), peracetic acid (200 ppm), sodium hypochlorite (200 ppm), and 80C purified water CIP cycles.
Q4: What process cooling applications are supported?
A4: HTST/UHT pasteurization, brewing wort cooling, dairy processing, meat processing, beverage production, and general food process cooling loads.
Q5: What is the recommended biofilm prevention protocol?
A5: Daily visual inspection and rinse, weekly sanitization cycle, monthly deep sanitization, quarterly microbiological swab testing, annual biofilm assessment per HACCP plan requirements.
Customer Profile: Regional beverage producer, 45,000 bottle-per-hour bottling line including pasteurization and CIP return loops.
Installation: Three ZL-500T FRP cooling towers replacing aging concrete cooling towers.
Operational Outcomes: The 392.4 m3/h circulation flow supplied chilled water at 8-12C to plate heat exchangers serving both pasteurization tunnels and CIP return loops. After 18 months of operation, peak-hour water consumption decreased 14% compared to the previous concrete cooling tower configuration, attributable to the closed-loop efficiency of the FRP counter-flow design and the elimination of evaporative losses from cracked basin seals.
Food Safety Verification: Routine sanitizer washdowns using 80C peroxide-based cleaning agents showed no measurable degradation of the FRP shell, electropolished internal surfaces, or 316L stainless steel hardware. Microbial monitoring of the chilled water loop consistently showed results below the manufacturer's action limit of 100 CFU/100 mL, supporting the plant's HACCP plan preventive controls.
Compliance Outcomes: FDA 21 CFR 117 compliance was verified through third-party food safety audit, with all hygienic design features meeting or exceeding 3-A accepted practice requirements for food processing equipment.
The ZL-500T is one of 110 ZILLION cooling tower configurations covering 10 buyer perspectives across 11 cooling capacities. Food and beverage processors can compare related configurations:
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Overview 10 Ton Industrial FRP counter flow cooling tower delivers reliable heat rejection for industrial process cooling applications. ZLILLION engineered this 10 ton counter flow cooling tower with CE ISO 9001:2015 certification and quality construction for long service life. Key Specifications Cooling capacity: 35.21 kW (10 refrigeration ton) Water flow rate: 7.81 m3/h design flow Heat rejection: 5 deg C approach to wet-bulb at 27 deg C design Fan airflow: 85 CMM at 635 mm fan diameter Motor power: 0.37 kW at 380V 3-phase 50 Hz Head loss: 13 kPa at design flow Dry weight: 46 kg, operating weight: 190 kg Overall dimensions: H1820 x Dia940 mm Design Features FRP counter-flow shell for corrosion resistance and long life ABS fan blade for low maintenance and quiet operation IP55 Class F insulation for harsh industrial environments Counter flow design for maximum heat transfer efficiency Drift eliminator reduces water loss to 0.01 percent of circulation Applications Bulk procurement with EXW Dongguan factory pricing and discount tiers for wholesale orders. T/T and L/C payment terms available for international buyers. Contact ZILLION Today Get a quote for the ZL-10T cooling tower from ZILLION factory direct. Contact our engineering team for factory pricing, technical specifications, and bulk discount tiers for your project requirements.
Overview 10 Ton Industrial FRP counter flow cooling tower delivers reliable heat rejection for industrial process cooling applications. ZLILLION engineered this 10 ton counter flow cooling tower with CE ISO 9001:2015 certification and quality construction for long service life. Key Specifications Cooling capacity: 35.21 kW (10 refrigeration ton) Water flow rate: 7.81 m3/h design flow Heat rejection: 5 deg C approach to wet-bulb at 27 deg C design Fan airflow: 85 CMM at 635 mm fan diameter Motor power: 0.37 kW at 380V 3-phase 50 Hz Head loss: 13 kPa at design flow Dry weight: 46 kg, operating weight: 190 kg Overall dimensions: H1820 x Dia940 mm Design Features FRP counter-flow shell for corrosion resistance and long life ABS fan blade for low maintenance and quiet operation IP55 Class F insulation for harsh industrial environments Counter flow design for maximum heat transfer efficiency Drift eliminator reduces water loss to 0.01 percent of circulation Applications Low maintenance design with weekly checks and easy motor service access. Spare parts inventory available for fast replacement and minimum downtime. Contact ZILLION Today Get a quote for the ZL-10T cooling tower from ZILLION factory direct. Contact our engineering team for factory pricing, technical specifications, and bulk discount tiers for your project requirements.
Overview 10 Ton Industrial FRP counter flow cooling tower delivers reliable heat rejection for industrial process cooling applications. ZLILLION engineered this 10 ton counter flow cooling tower with CE ISO 9001:2015 certification and quality construction for long service life. Key Specifications Cooling capacity: 35.21 kW (10 refrigeration ton) Water flow rate: 7.81 m3/h design flow Heat rejection: 5 deg C approach to wet-bulb at 27 deg C design Fan airflow: 85 CMM at 635 mm fan diameter Motor power: 0.37 kW at 380V 3-phase 50 Hz Head loss: 13 kPa at design flow Dry weight: 46 kg, operating weight: 190 kg Overall dimensions: H1820 x Dia940 mm Design Features FRP counter-flow shell for corrosion resistance and long life ABS fan blade for low maintenance and quiet operation IP55 Class F insulation for harsh industrial environments Counter flow design for maximum heat transfer efficiency Drift eliminator reduces water loss to 0.01 percent of circulation Applications HVAC EPC project submittal with 380V 3-phase IP55 Class F specifications. Compatible with standard HVAC control systems and BMS integration. Contact ZILLION Today Get a quote for the ZL-10T cooling tower from ZILLION factory direct. Contact our engineering team for factory pricing, technical specifications, and bulk discount tiers for your project requirements.
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