{"id":3093,"date":"2026-02-04T01:46:22","date_gmt":"2026-02-04T01:46:22","guid":{"rendered":"https:\/\/agriculturalgearboxes.top\/?p=3093"},"modified":"2026-02-04T06:21:26","modified_gmt":"2026-02-04T06:21:26","slug":"high-torque-paddlewheel-aerator-gearboxes-the-heart-of-aquaculture-oxygenation-in-the-uk","status":"publish","type":"post","link":"https:\/\/agriculturalgearboxes.top\/ko\/%ec%95%a0%ed%94%8c%eb%a6%ac%ec%bc%80%ec%9d%b4%ec%85%98\/high-torque-paddlewheel-aerator-gearboxes-the-heart-of-aquaculture-oxygenation-in-the-uk\/","title":{"rendered":"High-Torque Paddlewheel Aerator Gearboxes: The Heart of Aquaculture Oxygenation in the UK"},"content":{"rendered":"
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\"\ub18d\uc5c5\uc6a9<\/h1>\n

Engineering superior dissolved oxygen transfer rates (SOTR) through precision transmission technology. Designed for the rigorous demands of British trout farms and global fisheries.<\/p>\n<\/header>\n

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Overview: Engineering Resilience for Continuous Duty Cycles<\/h2>\n

In the intensive aquaculture sector, specifically within the United Kingdom’s cold-water trout and salmon fisheries, the Paddlewheel Aerator<\/strong> is not merely an accessory; it is the life-support system of the biomass. The gearbox situated at the physical center of these machines performs a critical tri-functional role: supporting the electric motor, managing massive torque multiplication, and absorbing the violent reaction forces generated by impellers slapping the water surface.<\/p>\n

EVER-POWER has re-engineered the traditional aerator gearbox to address the “Fatal Three” failure modes observed in North Sea and inland UK operations: Seal failure due to bio-fouling, thermal runaway during summer 24\/7 cycles, and micro-pitting from oscillating shock loads.<\/strong> Our drive units convert high-speed motor input (typically 1400 RPM) into the hydrodynamic sweet spot of 80\u2013120 RPM, ensuring optimal water splash and oxygen transfer without cavitation.<\/p>\n<\/div>\n<\/section>\n

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Technical Specification Matrix: EVER-POWER Series 900-Aqua<\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\ub9e4\uac1c\ubcc0\uc218 \uc124\uba85<\/th>\n\uc0ac\uc591 \uac12<\/th>\nEngineering Standard \/ Note<\/th>\n<\/tr>\n<\/thead>\n
\uc815\uaca9 \uc804\ub825 \uc785\ub825<\/td>\n1.5 kW – 3.0 kW (2HP – 4HP)<\/td>\nIEC Standard Motors<\/td>\n<\/tr>\n
\uac10\uc18c\uc728<\/td>\n14:1 \/ 16:1 \/ 20:1<\/td>\n\ub9de\ucda4 \uc124\uc815 \uac00\ub2a5<\/td>\n<\/tr>\n
\ucd9c\ub825 \ud1a0\ud06c(\uacf5\uce6d)<\/td>\n450 Nm – 850 Nm<\/td>\nAGMA Class II Service Factor<\/td>\n<\/tr>\n
\ucd5c\ub300 \ucda9\uaca9 \ud1a0\ud06c<\/td>\n1800 Nm<\/td>\nStartup\/Blockage condition<\/td>\n<\/tr>\n
\uc785\ub825 \uc18d\ub3c4(\ucd5c\ub300)<\/td>\n1800 RPM<\/td>\n50Hz\/60Hz Compatible<\/td>\n<\/tr>\n
\uc8fc\ud0dd \uc790\uc7ac<\/td>\nCast Iron HT250 \/ Ductile Iron QT450<\/td>\nASTM A48 \/ A536<\/td>\n<\/tr>\n
\uae30\uc5b4\ud615<\/td>\nBevel-Helical or Double Worm<\/td>\nPrecision Ground<\/td>\n<\/tr>\n
\uae30\uc5b4 \uc18c\uc7ac<\/td>\n20CrMnTi \ud569\uae08\uac15<\/td>\n\uce68\ud0c4 \ubc0f \ub2f4\uae08\uc9c8<\/td>\n<\/tr>\n
\ud45c\uba74 \uacbd\ub3c4(\uae30\uc5b4)<\/td>\n58-62 HRC<\/td>\nDepth 0.8-1.2mm<\/td>\n<\/tr>\n
\ub2a5\ub960<\/td>\n> 92% (Bevel) \/ > 75% (Worm)<\/td>\nTested at full load<\/td>\n<\/tr>\n
\uc724\ud65c \uc720\ud615<\/td>\n\uc2a4\ud50c\ub798\uc2dc \uc724\ud65c<\/td>\n\uc624\uc77c \ubc30\uc2a4<\/td>\n<\/tr>\n
Recommended Oil<\/td>\nSynthetic ISO VG 320<\/td>\nMobil SHC 632 or equiv.<\/td>\n<\/tr>\n
\uc624\uc77c \uc6a9\ub7c9<\/td>\n1.8 L – 2.5 L<\/td>\nDepends on mounting pos.<\/td>\n<\/tr>\n
\ubc00\ubd09\uc7ac<\/td>\nDouble Lip FKM (Viton)<\/td>\nHigh Temp \/ Salinity Resist<\/td>\n<\/tr>\n
\uc785\ub825\ucd95 \uc9c1\uacbd<\/td>\n19mm \/ 24mm \/ 28mm<\/td>\nKeyed (DIN 6885)<\/td>\n<\/tr>\n
\ucd9c\ub825\ucd95 \uc9c1\uacbd<\/td>\n35mm \/ 40mm \/ 50mm<\/td>\nH6 Tolerance<\/td>\n<\/tr>\n
\ubca0\uc5b4\ub9c1 \ube0c\ub79c\ub4dc<\/td>\nC&U \/ SKF \/ NSK<\/td>\n\ud14c\uc774\ud37c \ub864\ub7ec \ubca0\uc5b4\ub9c1<\/td>\n<\/tr>\n
\ubca0\uc5b4\ub9c1 L10 \uc218\uba85<\/td>\n25,000\uc2dc\uac04 \uc774\uc0c1<\/td>\n\uc5f0\uc18d \uadfc\ubb34<\/td>\n<\/tr>\n
\uc18c\uc74c \uc218\uc900<\/td>\n1m \uac70\ub9ac\uc5d0\uc11c < 75 dB(A)<\/td>\n\uc800\uc18c\uc74c \ud504\ub85c\ud30c\uc77c<\/td>\n<\/tr>\n
\uc791\ub3d9 \uc628\ub3c4<\/td>\n-20\u00b0C ~ +90\u00b0C<\/td>\nCase Temperature<\/td>\n<\/tr>\n
\uce68\ud22c \ubcf4\ud638<\/td>\nIP65<\/td>\nDust & Water Jet Tight<\/td>\n<\/tr>\n
\ud398\uc778\ud2b8 \ucf54\ud305<\/td>\n\uc5d0\ud3ed\uc2dc \ud504\ub77c\uc774\uba38 + \ud3f4\ub9ac\uc6b0\ub808\ud0c4<\/td>\n\uc5fc\uc218 \ubd84\ubb34 \uc2dc\ud5d8 > 500\uc2dc\uac04<\/td>\n<\/tr>\n
\ubd80\uc2dd \ub4f1\uae09<\/td>\nC4 (ISO 12944)<\/td>\nMarine\/Coastal Areas<\/td>\n<\/tr>\n
\uc9c4\ub3d9 \uc18d\ub3c4<\/td>\n< 2.8 mm\/s<\/td>\nRMS Value<\/td>\n<\/tr>\n
\ubb34\uac8c(\uac74\uc870 \uc911\ub7c9)<\/td>\n22 kg – 35 kg<\/td>\nExcluding Motor<\/td>\n<\/tr>\n
\uc7a5\ucc29 \ud328\ud134<\/td>\nUniversal 4-Bolt Flange<\/td>\nInterchangeable<\/td>\n<\/tr>\n
\ud1b5\ud48d\uad6c<\/td>\nPressure Compensating<\/td>\nPrevents seal blowout<\/td>\n<\/tr>\n
\ubc31\ub798\uc2dc<\/td>\nStandard (10-20 arcmin)<\/td>\nPrecision Available<\/td>\n<\/tr>\n
\uc0e4\ud504\ud2b8 \uc7ac\uc9c8<\/td>\n40Cr (AISI 5140)<\/td>\n\uc720\ub3c4 \uacbd\ud654<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n
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Anatomy of a Paddlewheel Gearbox<\/h3>\n

\"\ub18d\uc5c5\uc6a9Positioning:<\/strong> The gearbox sits atop the floating pontoon structure, acting as the structural bridge between the high-revving electric motor and the slow-turning impeller shaft. It is subjected to constant cyclic loading caused by the paddles entering and exiting the water.<\/p>\n

\uc791\ub3d9 \uc6d0\ub9ac:<\/strong> Through a two-stage reduction (typically a bevel gear set followed by a helical set, or a double worm gear configuration), it multiplies the motor’s torque by a factor of 14 to 20. This allows a relatively small 2HP motor to drive large 8-paddle impellers against the significant resistance of water.<\/p>\n<\/div>\n

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Adaptation to Extreme Scenarios<\/h3>\n