Next-Gen Industrial Gas & Air Compression

Water Cooled Screw Compressor For Chemical Production

Empowering petrochemical refineries, fine synthesis complexes, and hazardous gas operations with high-thermal-stability, explosion-proof, and energy-optimized twin-screw engineering solutions.

Commercial Landscape & Evolution in Chemical Production

Navigating rigorous emission thresholds, volatile hydrocarbon environments, and 24/7 uninterrupted uptime demands.

Stringent Thermal & Environmental Control

Modern chemical synthesis and petrochemical cracking processes generate extreme ambient temperatures. Air-cooled units struggle in enclosed or tropical plants, making water-cooled screw systems the quintessential standard for steady heat exchange and isothermal efficiency.

Decarbonization & VSD Integration

Energy expenses account for over 75% of a compressor's lifecycle cost in chemical processing. Permanent Magnet (PM) Variable Speed Drive (VSD) water-cooled systems adjust flow dynamically, mitigating unloading losses and decreasing electricity overhead by up to 35%.

Explosion-Proof & Hazard Safety

Chemical processing units often operate in Zone 1 / Zone 2 hazardous atmospheres where volatile organic compounds (VOCs) and combustible vapors reside. Modern water-cooled screw compressors feature integrated ATEX/Ex-proof electrical enclosures and spark-proof seals.

Engineering Architecture for Harsh Chemical Operations

Designed with British twin-screw precision rotors, heavy-duty shell-and-tube heat exchangers, and intelligent PLC control.

Why Water Cooling Outperforms Air Cooling in Chemical Plants

Air cooling relies on plant ambient air, which in chemical plants often contains airborne corrosive fumes, particulate dust, and high ambient heat. Water-cooled screw compressors isolate the heat rejection loop into a closed cooling tower or shell-and-tube/plate exchanger circuit, eliminating hot-air recirculation and preventing corrosive atmospheric deposition inside the motor housing.

  • Constant Low Operating Temperatures: Consistent oil and gas discharge temperatures maximize lubricant longevity and prevent thermal breakdown.
  • Corrosion-Resistant Exchanger Metallurgy: Available in 304/316L Stainless Steel, Titanium, and Cu-Ni alloys for harsh chemical water.
  • Acoustic Attenuation: Eliminates high-decibel cooling fan noise, achieving whisper-quiet operational profiles suitable for cleanroom adjacent plants.

Precision Twin-Screw Rotor & Sealing Integrity

The heart of our chemical compressor lineup is the high-precision asymmetrical twin-screw profile. Precision CNC grinding and advanced surface coatings ensure minimal backflow leakage, ultra-low clearance tolerances, and extended bearing lifespan under heavy continuous loads.

  • Two-Stage Compression Advantage: Reduces the compression ratio per stage, diminishing interstage heat and bearing stress while saving up to 15% more power.
  • Triple-Lip Seal & Nitrogen Purge Options: Prevents fugitive gas ingress or hydrocarbon contamination in sensitive fluid delivery paths.
  • Smart IoT Monitoring: Integrated sensors track water delta-T, vibration spectra, pressure dew point, and oil condition in real-time.

Critical Application Scenarios in Modern Chemical Production

Delivering high-reliability compressed air, inert gas blanketing, and vacuum recovery across multifaceted processing lines.

01

Petrochemical Refining & Catalyst Regeneration

Continuous-duty air is paramount for fluid catalytic cracking (FCC), catalyst oxidation, and pneumatic valve actuation across distillation columns where thermal runaway must be strictly avoided.

02

Fine Chemical Synthesis & Agitation

Chemical reactors demand pure, oil-free, or finely filtered moisture-free compressed air for bubbling agitation, pressure transfer of toxic media, and pneumatic instrument manipulation.

03

Polymerization & Granule Pneumatic Conveying

Dense-phase and dilute-phase pneumatic conveying of polymer pellets (PP, PE, PVC) requires stable, high-volume, water-cooled screw compressors capable of 24/7 smooth delivery without oil mist.

04

Nitrogen & Inert Gas Blanketing Systems

Feed air for PSA (Pressure Swing Adsorption) nitrogen generation systems that blanket storage tanks containing combustible reagents, ensuring flammable vapors remain safely below explosive limits.

05

Pharmaceutical Precursors & Solvent Extraction

Active pharmaceutical ingredient (API) synthesis demands zero oil residue and hygienic piping. Water-lubricated oil-free rotary screw models provide Class 0 certified air for solvent drying and vacuum filtration.

06

Off-Gas Recovery & Vacuum Distillation

Screw vacuum pumps and booster compressors recover volatile organic compounds (VOCs) and tail gases, reducing greenhouse emissions while recycling expensive chemical solvents back into production.

Technical Matrix: Water Cooled Screw Compressors for Chemical Plants

Standardized configurations customizable to Class I Div 2 / ATEX Zone 1/2 environments.

Model Series Motor Power (kW / HP) Working Pressure (bar) Flow Capacity (m³/min) Cooling Method Target Chemical Applications
HC-WC 22-55 VSD 22 – 55 kW / 30 – 75 HP 7.0 – 13.0 bar 3.2 – 10.5 m³/min Closed Water Loop / Shell & Tube Pilot plants, pneumatic conveying, valve actuation
HC-WC 75-132 2-Stage 75 – 132 kW / 100 – 175 HP 8.0 – 13.0 bar 13.8 – 26.5 m³/min Dual Water-Cooled Exchanger Petrochemical reactors, PSA Nitrogen, large silos
HC-WC 160-480 Heavy 160 – 480 kW / 215 – 650 HP 7.0 – 16.0 bar 28.0 – 75.0 m³/min Heavy Industrial Shell & Tube Exchanger Bulk chemical synthesis, refinery off-gas, air separation
HC-OFW 11-75 Oil-Free 11 – 75 kW / 15 – 100 HP 7.0 – 10.0 bar 1.2 – 12.8 m³/min Water Lubricating / Water Cooled Pharma synthesis, high-purity chemical drying, electronics
Manufacturing Excellence

Shanghai Honest Compressor Co., Ltd.

Shanghai Honest Compressor Co., Ltd. is a British-owned enterprise. It was founded in early 2004. The production address is located at NO. 355 Jiajian Branch Road, Malu Town, Jiading District, Shanghai, China. It is a large-scale manufacturing enterprise specializing in the production of twin-screw air compressors in China. At the same time, it is also an important supplier of complete industrial air system solutions.

We provide various types of piston air compressors (low pressure, medium pressure, high pressure, oil-free air compressors), screw air compressor systems (3KW-480KW various screw air compressors, gas separation equipment, refrigerant compressors, cold dryers, filters, ceramic membrane filtration systems) and various equipment accessories and consumables.

We fully implement strict management throughout the entire manufacturing process, strictly monitor product quality and environmental protection, and the company has passed the ISO9001:2015 quality management system certification.

We pay close attention to market trends in technology research and development, closely matching the needs of chemical, energy, and process users. We actively absorb the structural advantages of international brand architectures and integrate our own maintenance-friendly features, ensuring superior efficiency that exceeds the national energy-saving standards with capacities ranging from 0.5 m³/min to 75 m³/min.

Shanghai Honest Compressor Manufacturing Facility and Production Line
Comprehensive Chemical Engineering Project Support: We provide turnkey air compressor station engineering, including plant layout design, piping calculations, user training, explosion-proof retrofits, energy audits, and complete station overhaul services nationwide and globally.
Hotline: 400-705-9168