Follow this link "Oil Water Separator Design Parameters" for information on the accurate design and sizing of Oil Water Separators and Separation Systems
HydroFlo Enhanced Gravity Oil/Water Separators separate free non-emulsified oil, hydrocarbons, diesel, gasoline, and fuels, from water.
Our separators are designed specifically around the data presented in API pub 421 "Design and Operation of Oil/Water Separators". By following all the API design parameters, the HydroFlo enhanced gravity oil/water separators are the most efficient oil water separators available.
We can outfit our separators with various sizes of our proprietary DynaPac™ cross corrugated coalescing media, as well as unlimited varieties of parallel plate media. This allows us to tailor the design of our oil water separator to meet your specific application.
The internal media (whether DynaPac™ cross corrugated coalescing media or parallel plate media) can be flushed with water and reused for years of efficient, trouble free use.
One of the advantages of our design is that the recovered product will typically have a residual water content of less than 3%.
One of the greatest advantages of the HydroFlo line of oil/water separators is the ability to easily add additional features as they become necessary. As your process or discharge requirements change, you can install different media, add a sludge auger or add a surface drag skimmer. You can even add an air dissolving recirculation system and convert the entire separator into a dissolved air flotation system. HydroFlo oil/water separators are the most flexible separators available anywhere, able to be configured to meet any of your current demands and your changing demands of the future.
• Standard Engineering
• Standard IO&M Manual
There are many considerations to be taken into account when designing an enhanced gravity oil/water separator. The following needs to be taken into account as a minimum:
Inlet flow distribution
Length to height to width ratios (for proper overall flow distribution)
Cross sectional velocities (actual, not nominal)
Laminar flow conditions
DynaPac™ Cross Corrugated coalescing media or parallel plate media "Reynolds" calculations (for quiescent flow distribution)
Effluent flow distribution
Total projected surface area
These basic design considerations all contribute to the complete utilization of the separation media. Follow them properly and the results will be consistent, equal flow distribution through the separation chamber and the media pack. These are the earmarks of a thoughtful, wholly engineered, fully developed oil/water separator design.
HydroFlo strives to be the benchmark by which all others are judged. By paying total attention to every detail of the separators design, we can supply you with the finest oil/water separator available anywhere.
The separator shall be a specially fabricated rectangular channel tank. The separation process shall be fully automatic requiring no moving parts. The design of the separator shall satisfy the requirements of API PUBLICATION 421, Feb. 1990 on DESIGN & OPERATION OF OIL/WATER SEPARATORS and Stokes' law. Performance enhancement shall be achieved by the use of DynaPac™ cross corrugated coalescing media.
The separation cell is designed using elements of American Petroleum Institute's publication 421 Feb. 1990 “Design of Oil-Water Separators” to ensure the best possible use of particle rise rate performance. The separation cell is a rectangular “V” bottom tank manufactured from carbon steel with an effluent surface baffle, 304 stainless steel full width adjustable overflow weir, effluent collection chamber with flanged outlet nozzle and recycle suction port, and angled float beaching plate.
Provide a removable float skimming system with frame assembly and drive motor, sprockets, chains and full width stainless steel skimming blades. The skimmer blades are mounted on swivel pins that are fastened to the skimmer chains and maintain the blades in a down position at all times. The conveyer chains are provided with drive sprockets on a full width shaft at the drive end and four independent idler sprockets at the return end. The skimmer system frame shall provide a sprocket tension adjustment device and the carrying and return tracks for the chain. The entire system shall be self supporting with side and end channels, and cross members with lifting lugs that permit removal of the skimmer assembly as a complete unit for easy cleaning and service. The skimmer drive system is provided with a hollow shaft gear reducer that is maintenance free.
The ribbon flight auger is made from 304 stainless steel, has converging flights to gently move settled sludge toward the sludge outlet nozzle and is driven at 3-5 RPM by an industrial duty TEFC motor with gear box speed reduction.
All HydroFlo Tech oil/water separation systems are fully automated. Control packages (depending on your specific requirements) are available in either basic relay logic controls, or a full state of the art PLC with touch screen HMI and our sophisticated treatment algorithms. The relay logic controls package allows basic reconfiguration of the original system settings, while the PLC based package allows maximum flexibility to change the process parameters, as well as tight control that minimizes chemical usage. We can include a variety of options including digital data logging of critical process parameters, Ethernet access to process data, communication with Building Management Systems, and even remote system access using cellular wireless technology.
All enclosures are NEMA 4X. Where metallic enclosures are used, they are provided with epoxy or polyester finishes for corrosion resistance. All conduit is plastic coated where possible. Low voltage 24VDC is used throughout to minimize service personnel exposure to high voltage. All panels are OSHA LOTO and NFPA 79 compliant. Additionally UL-508 listing is available.
Effluent Monitoring: As mandated by the local controlling authority, the effluent quality must be continuously monitored. A two pen recorder is to be used to monitor effluent flow rate and pH. The recorder is to be equipped with a flow totalizer. Any effluent pH deviations will trigger an alarm and system discharge will be halted.
The system is supplied as a completely fabricated "turnkey" package. All devices are pre-wired and plumbed.
You need to make the plumbing connections to and from the system and a single electrical connection point for incoming power. The disconnect on the MCP provides OSHA Lock Out / Tag Out and NFPA 79 compliance. For systems requiring compressed air, only one connection is required and a valve is supplied for OSHA LOTO.