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Marine Pumps for Marine Industry


From a simple assembly of wooden planks that could stay afloat to floating cities equipped with every conceivable luxury, Marine ships have come a long way. Today Maritime industry is the backbone of global trade and commerce.

A modern marine ship is an engineering marvel that consists of various fluids moving inside different machines and systems for the purpose of heating, cooling, lubrication, combustion and various types of fuel transfer.

Depending upon the type of fluid and its application, particular type of pump is chosen to perform that duty.

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Pumping applications requirements Marine and Maritime industry are as diverse as they are challenging. From transfer of polymers and metal for construction of ships to pumping brine, drilling mud and sludge and loading and unloading of liquids like petro products and aggressive chemicals as cargo to critical usage in scrubber application and pumping of HFO for propulsion. Roto Pumps offers entire range of versatile pumps optimized for dynamic and dependable performance across diverse application one typical example of Roto Pumps application is in Scrubber application sulphur produced in form of dirty gas from big engines & boiler exhaust is very dangerous for the environment. To reduce sulphur emission, scrubber system is used to remove harmful elements from gases and convert the Sulphur into sulphate (end product from scrubber system) for easy & safe discharge. Also, scrubber remove 60% to 90% of particulate matter (PM), including a portion of small PMs (10 and 2.5 micron, and ultrafine) and it allows vessels to use HFO; a residual fuel with high energy content which is difficult to refine.

Closed Loop Scrubber System

When harmful gases from ship engine & boiler exhaust enters into scrubbing station through various chambers where a high number of droplets rapidly capture the errant particles in the process stream.

MgOH2 is added to the scrubbing water circulation to maintain the process pH and consequently the SOx removal efficiency. Simultaneously, a small bleed-off is extracted from the loop to remove accumulated impurities and fresh alkaline water and MgOH2 is added.

Alkaline water (Sodium Hydroxide/ MgOH2)is sprayed on gases in from of scrubbing clouds.

Scrubbing water passes through the packing bed and is collected and removed through the bottom. The water absorbs SOx emissions, heat and other components from the exhaust gas stream.

The bleed-off having traces of oil & combustion elements and its pH is typically closer to neutral is transferred to emulsion breaking water treatment unit.

Clean effluent from the treatment unit is discharged overboard after quality monitoring, or led to the effluent holding tank when overboard discharges are to be avoided.

Progressive cavity Pumps Applications in Scrubber System:

To transfer MGOH2 to Alkaline Water Unit

To dispose sludge from Water Treatment Unit

Industrial RD/RM Series Pump

Flow Rate: up to 420m3/hr

Pressure: up to 48 bar

These heavy duty pumps are designed for continuous or intermittent duty and are suitable to perform efficiently even for the most difficult fluid handling applications in varied industries. These pumps are available in bare shaft and close coupled configurations.

APPLICATION AREAS PUMP TYPE
RM RL RD
Bilge
Black & grey water
Brine
Dirty oil
Furnace oil
HSD
LDO
LSHS
Mud
Offshore recovered oil
Oily bilge
Sewage
Sludge
Turbine oil
Contaminated water
Fecal matters
Kitchen waste
Polymer
Sea water
Preferred by renowned Marine & Defence OEM’s

We provide complete pumping solutions including detailed engineering consultaion, customized pumping solutions and in-depth technical support to various OEM’s for ensuring successful performance of their equipment.

Roto Pump feeding oily water on OWS
Roto Pump feeding dirty oil for incineration
certifications & affiliations
class certificates

Roto Pumps is capable of meeting various class requirements as specified for the Ships from various agencies, such as LRS (Lloyds Register of Shipping), DNV (Det Norske Veritas), Gl (Germanisher Lloyd), IRS (Indian Register of Shipping), RINA (Registro Italiano Navale), ClassNK (Nippon Kaiji Kyokai) etc.

international quality

Roto Pumps is the leading manufacturer of positive displacement pumps with a rich experience of more than 50 years in providing efficient pump packages to Marine & Defence Sector. The company believes in 'in-house' design & development of technological products and continuously invests in R&D to produce quality products conforming to various international standards. Roto pumps manufacturing units are certified with the ISO 9001, ISO 14001 & ISO 18001. We also offer CE & ATEX Certified Pumps.

critical pumping applications from engine room to cargo

we handle it all

Engine Room Pumping

  • Sea Water
  • Lube Oil
  • Engine Fuel Oil
  • Sludge
  • Ballast
  • Heavy Fuel Oil
  • Lubricants
  • Scrubber System
  • Bilge
  • Hydraulic Oil
  • Marine Diesel Oil

Cargo Pumping

  • Brine
  • AVCAT
  • Bitumen
  • Fuel Oil
  • Mud
  • Asphalt
  • Chemicals
  • Lubricating Oil
  • ORO (Offshore Recovered Oil)
  • Molases
  • Thermal Oil
  • Vegetable Oil

Waste Management

  • Sewage
  • Slurry
  • Waste Oil
  • Bio Waste
  • Sludge
  • Muddy Water
  • Food Waste

Closed Loop Scrubber System

  • When harmful gases from ship engine & boiler exhaust enters into scrubbing station through various chambers where a number of droplets rapidly capture the errant particles the process stream.
  • MgOH2 is added to the scrubbing water circulation to the process pH and consequently the SOx removal. Simultaneously, a small bleed-off is extracted from the loop to remove accumulated impurities and fresh alkaline water and MgOH2 is added.
  • Alkaline water (Sodium Hydroxide/ MgOH2) is sprayed on in from of scrubbing clouds.
  • Scrubbing water passes through the packing bed and is and removed through the bottom. The water SOx emissions, heat and other components from the gas stream.
  • The bleed-off having traces of oil & combustion elements and pH is typically closer to neutral is transferred to emulsion water treatment unit.
  • Clean effluent from the treatment unit is discharged after quality monitoring, or led to the effluent tank when overboard discharges are to be avoided.

Progressive cavity Pumps Applications in Scrubber System:

  • To transfer MGOH2 to Alkaline Water Unit.
  • To dispose sludge from Water Treatment Unit.
Industrial RD/RM Series Pump
  • Flow Rate: up to 420m3/hr
  • Pressure: up to 48 bar

These heavy duty pumps are designed for continuous or intermittent duty and are suitable to perform efficiently even for most difficult fluid handling applications in varied industries. These pumps are available bare shaft and close coupled configurations.

Fuel oil Cargo Pump at MMA Offshore, Singapore
Crude Oil transfer at Petrogas Oman
Liquid Mud Pump Installed at Grid Ship
Oil Transfer at Offshore Patrol Vessel , Goa Shipyard
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