Reclaim 90% of your waste steam and power up your efficiency.
With our precisely engineered MVR blowers, you can recompress low-temperature, low-pressure steam generated during your processes.
This energy recycling solution slashes operational costs and paves the way for highly sustainable plant operations.
Transforming Waste Vapor into High-Efficiency Energy
MVR(Mechanical Vapor Recompression) system is an advanced energy solution that captures low-temperature, low-pressure vapor generated during evaporation and concentration processes and recompresses it into high-temperature, high-pressure steam using a high-efficiency blower. By recycling this recompressed steam as the primary heating source for the process, the MVR system minimizes the consumption of external live stream-delivering an eco-friendly, ghighly efficient energy solution.
As the feed liquid is heated, low-pressure secondary vapor is generated. Instead of being exhausted externally, this vapor is captured and recycled within the system as a primary energy source.
The MVR blower draws in the generated secondary vapor and applies mechanical force to increase both its pressure and saturation temperature, converting it into usable thermal energy.
Through compression, the vapor's temperature and pressure are elevated, transforming it into high-energy steam ready for immediate heating applications.
The latent heat of the steam is recycled at high efficiency, completing an eco-friendly, closed-loop energy system.
The MVR blower is the singular mechanical driving force that upgrades low-temperature, low-pressure vapor into high-temperature, high-pressure steam. It provides the essential thermodynamic work that powers the entire MVR energy recovery process.
The ultimate goal of an MVR system is minimizing operational expenditures(OPEX), and the blower's mechanical efficiency directly dictates these cost savings. System efficiency is defined by the Coefficient of Performance equation:
As power consumption(Wblower) decreased, overall system efficiency improves dramatically. In large-scale industrial plants, a mere 1% difference in blower efficiency can yield hundreds of thousands of dollars in annual OPEX variance.
While evaporators, heat exchangers, and piping function as static equipment, the MVR blower is the only high-speed rotating equipment in the system, operating at thousands to tens of thousands of RPM. Unscheduled shutdowns caused by impeller corrosion or bearing vibration immediately stall the entire manufacturing process, leading to substantial financial losses. Peak mechanical reliability is critical.
The blower serves as the operational command unit, adapting flexibly to real-time process fluctuations. By leveraging Variable Frequency Drives (VFD) or Inlet Guide Vane (IGV) control, it precisely regulates steam flow rates and maintains pressure equilibrium to guarantee plant-wide system stability.
| Parameter | Fan Type | Compressor Type |
|---|---|---|
| Temperature Rise(ΔT) | 8 ~ 12°C per stage | 20°C or more per stage |
| Rotational Speed(RPM) | Medium to High (3,000 ~ 6,000) | Ultra-High (10,000 ~ 30,000 or more) |
| Structure & Sealing | Simple (Labyrinth/Mech. Seal) | Highly Complex (Dry Gas Seal required) |
| Capital Expenditure(CAPEX) | Economical (Cost-Effective) | Extreamely High Requires expensive components such as high-speed gearboxes and complex lube oil systems |
| Operational Expenditure(OPEX) | Economical (Cost-Effective) Low maintenance costs & standard replacement parts | Extreamely High High maintenance overhead & expensive precision replacement parts |
| Durability | High Robust engineering delivers high resistance to fine sludge and liquid droplet carryover | Vulnerable Precision impeller geometry suffers rapid erosion and corrosion when exposed to liquid droplets |
| Multi-stage Configuration | Feasible Series connection allows higher temperature lifts; redundant configuration prevents full system downtime during single-unit trips | Not Feasible |
| Parameter | Fan Type | Compressor Type | Remarks & Key Drivers |
|---|---|---|---|
| Capital Expenditure (CAPEX) | 100 (Baseline) | 250 ~ 300 | High CAPEX driven by high-speed gearboxes and complex lube oil systems |
| Annual Maintenance Cost | 2 ~ 3% | 7 ~ 10% | Substantially lower maintenance complexity compared to ultra-high-speed rotors |
| Major Component Replacement cycle | 5 ~ 7 Years | 2 ~ 3 Years | Superior mechanical durability of bearings and seals |
| Power Efficiency (COP) | Very High | Moderate | Fan aerodynamics optimized for low-to-moderate temperature-lift (ΔT) ranges |
| 10-Year Total LCC | Approx. 280 | Approx. 650 ~ 800 | Up to ~60% Cost Savings with Fan Type |
~ 45,000 kg/h
Maximum processing capacity based on standard MVR vapor compression processes.
~ 12 K
Saturation temperature lift during the vapor recompression process.
* Higher inlet pressure and temperature increase maximum volumetric and mass flow capacities.
Precision-engineered aerodynamic design maximizes operational efficiency while minimizing energy consumption.
Constructed with high-grade alloys such as 316L Stainless Steel to significantly extend service life in harsh operating environments.
Specialized mechanical seal system prevents gas leakage, guaranteeing complete process stability.
Low-vibration and low-noise engineering optimized for demanding, continuous industrial operation.
Liquid concentration and solvent recovery processes across the food, chemical, and pharmaceutical industries.
Evaporative concentration processes for industrial wastewater treatment and water resource recovery.
Enhancing energy efficiency in crystallization and drying processes through vapor recycling.
Energy efficiency optimization for manufacturing processes utilizing large steam volumes.
We design custom MVR blowers tailored to specific vapor fluid properties and operating conditions. By optimizing impeller geometry and compression dynamics, we ensure both stable vapor compression and peak energy efficiency.
We manage the entire process from on-site installation to full commissioning to guarantee stable blower operation. Optimal operating parameters are established based on real-time vibration, temperature, and performance data to maximize reliability.
Specialized maintenance services designed for harsh high-temperature and high-humidity vapor environments. We ensure long-term operational stability and performance retention through condition diagnostics and preventive maintenance of critical spare parts.
We conduct data-driven validation of compression performance and operational stability through comprehensive performance testing across varying airflows, pressures, temperatures, and detailed vibration analysis.
| No. | Company | Country | Industry | Stg. | Inlet T (°C) | ∆T (°C) | Inlet P (mb) | ∆P (mb) | Speed (rpm) | Motor (kW) | Flow (kg/h) | Shaft P. | Dens/Eff |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | EMG Global | Serbia | Sludge dry | 1 | 91 | 9 | 728.1 | 285 | 5551 | 117 | 5,000 | 116.4 kW | 0.46/81% |
| 2 | Safir Tuz | Türkiye | Salt Ind. | 3 | 100 | 20 | 1013 | 972 | 4680/5149 | 355/315 | 17,000 | 829.3 kW | 0.59/78% |
| 3 | Unid Tech. | Bulgaria | Petrochem | 1 | 57 | 7.5 | 1018 | 316.1 | 3550 | 240 | 17,062 | 151.6 kW | 0.65/80% |
| 4 | Jungbunzlauer | Austria | Chemical | 1 | 62.2 | 5 | 220 | 221.7 | 3252 | 560 | 56,000 | 508.8 kW | 0.17/82% |
| 5 | Ak-Kim Kimya | Türkiye | Chemical | 1 | 90 | 6.2 | 701.1 | 231.8 | 3200 | 480 | 44,800 | 427 kW | 0.43/82% |
| 6 | Grodno Azot | Belarus | Chemical | 1 | 65.6 | 6.5 | 258.1 | 302.5 | 4284 | 450 | 38,000 | 400.1 kW | 0.19/83% |
| 7 | Artyol | Türkiye | Food Ind. | 1 | 102 | 7.8 | 1089 | 395 | 5300 | 250 | 11,300 | 209.6 kW | 0.64/81% |
| 8 | YILDIZ | Türkiye | Paper Ind. | 1 | 53.6 | 6.2 | 147.2 | 390 | 5842 | 515 | 28,500 | 465.7 kW | 0.1/82% |
| NO | YEAR | Customer | End Customer | INDUSTRY SEGMENT | SITE | PROJECT NAME | SPECIFICATION | TEMP. (°C) | ||
|---|---|---|---|---|---|---|---|---|---|---|
| FLOW (m³/min) | PRESSURE (Pa) | POWER (kW) | ||||||||
| 1 | 2020 | HOWDEN KOREA | Samsung Biologics | Bio | Songdo | Vapor Compression Overhaul | 299.4 | 16,348 | 110 | 102 |
| 2 | 2020 | HOWDEN KOREA | Pocheon Bio Gas Plant | Water Treatment | Pocheon | MVR Fan Overhaul | 1,890 | 9,680 | 360 | 65 |
| 3 | 2022 | HOWDEN KOREA | Shin Seocheon Power Plant | Desulfurization Facility | Seocheon | MVR Fan Oil Leak Repair | 1,012 | 11,719 | 235 | 72.5 |
| 4 | 2022 | HOWDEN KOREA | Shin Seocheon Power Plant | Desulfurization Facility | Seocheon | MVR Fan Impeller Repair | 1,012 | 11,719 | 235 | 72.5 |
| 5 | 2023 | B2K ENG. | Samyang | Water Treatment | Ulsan | MVR Fan Overhaul | 1,032 | 10,541 | 226 | 63 |
| 6 | 2024 | HOWDEN KOREA | Imsil Cheese & Livestock Cooperative | Food | Imsil | MVR Fan Replacement | 575.4 | 7,356 | 90 | 62 |
Fill out the form to receive pricing and product information on our vast range of professional products, or to get in touch with a specialist regarding support.
KOREA FAN ENGINEERING Co., Ltd.
CUSTOMER CENTER +82-41-354-5411 | +82-10-8888-5890 | E-mail yn.kim@koreafans.co.kr
OFFICE Building 2, 822-70, Sunseong-ro, Songak-eup, Dangjin-si, Chungcheongnam-do, Republic of Korea
