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금정공업㈜ KJI www.kjipumps.co.kr1
MEEREX www.meerex.com
Non-Clog형 고효율 오.배수
원심펌프의 개발
양 태 열 (금정공업㈜ 대표이사)
오 종 식 (미렉스 대표)
2005.12
금정공업㈜ KJI www.kjipumps.co.kr2
MEEREX www.meerex.com
금정공업㈜ (KJI)
www.kjipumps.co.kr
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금정공업㈜ KJI www.kjipumps.co.kr3
MEEREX www.meerex.com
KJI 주요 생산제품 (수중모터펌프)
금정공업㈜ KJI www.kjipumps.co.kr4
MEEREX www.meerex.com
Heavy Duty Dewater Submersible Pump
KDO model (Dewater Open) KDE model (Dewater Enclosed)
공사용 수중펌프 고양정배수용 수중펌프
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금정공업㈜ KJI www.kjipumps.co.kr5
MEEREX www.meerex.com
Sand/Slurry Submersible Pump
KAO model (Sand & Slurry)
샌드용 수중펌프
KWO model (Wastewater)
배수용 수중펌프
금정공업㈜ KJI www.kjipumps.co.kr6
MEEREX www.meerex.com
Non-Clog Submersible Pump
KSSV model (Semi-Vortex)
볼텍스 수중펌프
KSE model (Solid Handling)
Non-Clog 수중펌프
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금정공업㈜ KJI www.kjipumps.co.kr7
MEEREX www.meerex.com
Submersible Aerator (수중폭기기)
KIPP model
내부순환수 수중펌프 (방폭형)
KRO model
자흡식 수중포기기
금정공업㈜ KJI www.kjipumps.co.kr8
MEEREX www.meerex.com
Axial & Mixed-flow Submersible Pump
KPL model
축류형 수중펌프
KWM model
사류형 수중펌프
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금정공업㈜ KJI www.kjipumps.co.kr9
MEEREX www.meerex.com
High Efficiency Non-Clog Centrifugal Pump
Non-Clog Pump
• Sewage• Wastewater• Effluent• Sludges
금정공업㈜ KJI www.kjipumps.co.kr10
MEEREX www.meerex.com
Ability to pass solid material that would normally clog the impeller
Violate many of standard design rules
Throughlet Size = Open internal passage through the impeller
• Number of impeller blades = one or two limited
• Leading-edge thickness = Thicker
• U.S. Regulation = 3 inch (75mm) minimum
About 80% of Cut-water Diameter
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금정공업㈜ KJI www.kjipumps.co.kr11
MEEREX www.meerex.com
Shrouded Centrifugal Impeller
Two-vaned
One-vaned
• Out of balance• Cannot be trimmed• Steep head curves
• Larger throughlet size(At least 3 inch)
One-vaned
• Smaller throughlet size• Higher pump efficiencyTwo-vaned
No GoodGood
Mixed-flow Impeller
More than 4 inch, and with higher efficiency
금정공업㈜ KJI www.kjipumps.co.kr12
MEEREX www.meerex.com
High Efficiency Non-Clog Centrifugal Pump
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금정공업㈜ KJI www.kjipumps.co.kr13
MEEREX www.meerex.com
Impeller CFD (1)
Static head contours on hub and blade surfaces
Total head contours on hub and blade surfaces
금정공업㈜ KJI www.kjipumps.co.kr14
MEEREX www.meerex.com
Impeller CFD (2)
Static head contours on hub Static head contours on shroud
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금정공업㈜ KJI www.kjipumps.co.kr15
MEEREX www.meerex.com
Impeller CFD (3)
Relative velocity vectors near hub
Relative velocity vectors near shroud
금정공업㈜ KJI www.kjipumps.co.kr16
MEEREX www.meerex.com
Impeller CFD (4)
Relative velocity vectors at midspan
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금정공업㈜ KJI www.kjipumps.co.kr17
MEEREX www.meerex.com
Impeller CFD (5)
Relative velocity vectors at mean meridional plane
Static head contours at mean meridional plane
금정공업㈜ KJI www.kjipumps.co.kr18
MEEREX www.meerex.com
Impeller CFD (6)
Meridional velocity contours
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금정공업㈜ KJI www.kjipumps.co.kr19
MEEREX www.meerex.com
KJI’s Strong Competitor Performance
금정공업㈜ KJI www.kjipumps.co.kr20
MEEREX www.meerex.com
Successful Final Pump Performance
