High-efficiency processing setups engineered to meet strict international standards for low-temperature recovery, environmental protection, and custom manufacturing.
Founded in June 2021 with a registered capital of 78 million yuan, Hebei Hongke Qingneng Environmental Protection Equipment Co., Ltd. represents the absolute state-of-the-art in energy conservation and cryogenic system fabrication within China's Langfang Sanhe Economic Development Zone. We stand apart by bridging the gap between cutting-edge thermal dynamics theory and field-proven industrial solutions.
Our core R&D team originates from Tsinghua University and the prestigious Institute of Physics and Chemistry Technology, Chinese Academy of Sciences (CAS). With hundreds of implemented systems globally, our engineering breakthroughs are focused on the phase change heat transfer characteristics and flow properties of multi-component mixed working mediums under severe operating boundaries, establishing us as a leading technical developer for skid-mounted natural gas liquefaction, CO2 vaporizers/evaporators, and industrial refrigeration structures.
Our executive leadership consists of seasoned national senior engineers and thermodynamics PhDs with prestigious technical awards.
Doctorate from the Institute of Physics and Chemistry Technology, Chinese Academy of Sciences (CAS). National Senior Engineer. Presided over the National 863 Program, major Natural Science Foundation funds, and aerospace-military systems. Awarded the Special Prize of Technological Invention by the Chinese Society of Refrigeration (2015) and Beijing Science & Technology Award (2016).
Senior Researcher at CAS. Presided over major national science and technology specials. Published 24 academic papers (11 SCI/EI indexed) and holds 5 national patents. Recipient of the Silver Medal of the 19th China International Industry Expo (2017) and the Technological Invention Award of China Refrigeration Society.
Ph.D. in Engineering from CAS. Recognized for pioneering research in phase change heat transfer characteristics and fluid dynamics of mixed media. Successfully designed and executed over 50 large-scale LNG, CO2, and environmental purification systems throughout China and Central Asia.
Analyzing the shift from synthetic fluorocarbons to carbon dioxide natural refrigerants across heavy process engineering.
As the international community accelerates toward decarbonization under the F-Gas regulations in Europe and similar initiatives worldwide, Carbon Dioxide (R744) has emerged as the premier natural refrigerant choice. R744 offers a zero Ozone Depletion Potential (ODP) and a Global Warming Potential (GWP) of exactly 1. However, handling CO2 demands high operating pressures, with trans-critical heat rejection and subcritical evaporating phases operating up to 120 bar.
In response to these conditions, Hebei Hongke Qingneng has developed an advanced line of heavy-duty CO2 evaporators. These units are designed to withstand extreme thermal stresses while maintaining high heat transfer rates. By utilizing microchannel and enhanced shell-and-tube configurations, our units improve phase-change efficiency and prevent the oil-film resistance issues common in high-density CO2 cycles.
| Performance Metrics | Standard Synthetic Evaporators (R404A/R507) | Hongke Qingneng CO2 (R744) Evaporators | System Engineering Advantage |
|---|---|---|---|
| Operating Pressure Rating | 16 - 25 Bar | 60 - 120 Bar (ASME/PED Certified) | Withstands severe subcritical & transcritical spikes. |
| Heat Transfer Coefficient | 2,500 - 3,500 W/(m²·K) | 5,500 - 8,500 W/(m²·K) | Reduces heat exchanger footprint by up to 40%. |
| Volumetric Cooling Capacity | Low (High vapor volume flow) | Extremely High (~5x greater than R404A) | Allows much smaller piping diameters & compact skids. |
| Environmental Compliance | GWP > 3900 (Phased out under F-Gas) | GWP = 1, ODP = 0 | No carbon taxes; fully future-proof against environmental bans. |
Tailored industrial systems deployed under complex, real-world operational environments.
Widely deployed in petrochemical refineries across Western China (Shaanxi, Shanxi, Xinjiang) to process well gas, associated gas, and shale gas. Our sub-cooling evaporators play a key role in recovering Boil-Off Gas (BOG) and purifying coalbed methane.
For chemical tail-gas separation, pharmaceutical freeze-drying, and vacuum cold trapping. The high latent heat of vaporization of CO2, combined with our CAS-developed mixed refrigerant phase change processes, delivers stable thermal performance under heavy heat loads.
Our heavy evaporative condensers and high-pressure steam boilers support centralized medical waste sterilization and animal tissue hydrolysis. They maintain hygienic containment while recovering heat from high-temperature exhaust.
Our facility in Langfang City enjoys strong local supply chain integration, giving us direct access to high-grade raw materials (including thick-walled stainless steel, specialized copper-nickel alloys, and low-temperature carbon steel) within a 150 km radius. This layout minimizes logistics delays and keeps material procurement costs highly competitive.
Additionally, our production floor features high-precision CNC tube-bending, automated robotic orbital welding, and advanced vacuum drying furnaces. Every CO2 evaporator undergoes non-destructive testing (NDT), Helium mass spectrometer leak detection, and high-pressure hydrostatic testing up to 180 Bar. This robust process ensures defect-free operation, helping our customers avoid field leakage issues and minimize lifecycle maintenance costs.
Where academic research meets market requirements to drive the next generation of cryogenic recovery.
Using multi-stage cold trap purification systems to extract high-purity Helium from natural gas Boil-Off Gas (BOG) streams. This system operates at temperatures below -260℃, helping operators capture high-value gaseous assets.
Integrating pressure and temperature sensors with electronic expansion valves (EEV) driven by predictive thermodynamic algorithms. This integration prevents dry boiling and liquid hammer, ensuring optimal evaporator efficiency even under variable loads.
Optimizing phase change thermal curves through customized non-azeotropic gas mixtures. This technique minimizes the thermodynamic temperature glide difference, delivering energy savings of 15% to 25% compared to pure single-refrigerant systems.
Globally validated engineering designs built to comply with international regulations.
Our manufacturing facilities hold the A2 level pressure vessel fabrication license, authorizing us to design and build high-pressure shell-and-tube systems and cryogenic heat exchangers capable of handling heavy process requirements.
We build our systems to align with key global standards, including ASME Section VIII Div.1, CE-PED directives, and GB codes. This simplifies engineering approval, customs clearance, and local compliance during commissioning.
From initial thermodynamic calculations and 3D modeling to structural stress analysis (using Finite Element Analysis - FEA), on-site installation supervision, and startup training, we provide comprehensive technical support throughout the system lifecycle.
Photos from our active projects and manufacturing stages.
Addressing technical questions from engineering buyers and refrigeration consultants.
Get in touch with our team of CAS senior engineers to discuss your thermal design requirements, sizing parameters, pressure specifications, and delivery timelines.
Explore our wider catalog of pressure systems, treatment equipment, and custom thermal solutions.
Hongke Qingneng