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Dusky Shark Septage
Receiving Station

superior self-contained
protection for your process.

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Overview

The Dusky Shark is renowned for eating just about anything, including garbage. And like this shark, our Dusky Shark Septage Receiving Station is highly capable of screening nearly any material out of a wastewater flow, including septage and grease trap material that other equipment cannot manage. The Dusky Shark Septage Receiving Station is highly efficient, reliable and easy to install.

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  • Best screen for septage: The only product on the market with a continuous belt design offloaded by water only
  • Robust construction: Results in lowest lifecycle cost in the industry, least maintenance required, and lowest parts replacement
  • Screen design: Optimal for offloading FOG and rags, with no operator intervention required
  • Headquarters, manufacturing, parts and service based entirely in the USA

Septage Receiving Station

Through Flow Dusky Shark

  • Proven design in hundreds of wastewater applications
  • High volume screenings reduction with low maintenance
  • Easily captures and removes FOG and rags
  • Continuous belt design eliminates potential for jamming and removes large solids
  • No submerged sprockets, bearings or bushings

Features & Benefits

Rollover each feature to interact.

Continuous Belt with Slotted Grid Design: The Optimal Design for Septage Applications

We offer opening options that include stainless steel links and perforated panels as well as UHMWPE perforated panels. Our Dusky Shark Septage Receiving Equipment can accommodate low-to-high flow rates and features opening sizes from 1mm to 75mm.

Theory of Operation

Flow passes through the screen while solids are intercepted and collected by the continuously moving grid. Solids larger than the openings in the screen’s grid are collected and form a mat, which is removed undisturbed from the flow resulting in extremely high solids capture and easy unloading.

 

A low profile bottom shoe and polypropylene brush seals the grid, preventing solids from bypassing under the screen. Flow is constantly presented a clean grid surface as solids are transported to the top of the screen. Screenings are discharged into screenings handling equipment.

 

Minimal friction is achieved through the use of Ultra High Molecular Weight Poly-Ethylene (UHMWPE) and stainless steel wear surfaces. Machined Delrin spacers precisely separate elements, eliminating metal-on-metal wear, reducing power and maintenance requirements and ultimately extending the life of the grid.

Wide stainless steel tracks ensure years of trouble-free operation. Stainless steel grid elements provide superior strength while reducing area and headlosses. Heavy gauge stainless steel links are not susceptible to breaking and damaging downstream equipment.

 

Level sensing devices can be connected to variable speed drives to automatically compensate for high solids loading during peak flows or low flow conditions by proportionally speeding or slowing the grid travel speed. This increases the capacity of the equipment when needed and reduces wear, thereby extending the life of the equipment.

Septage Receiving Equipment

Sealing

Our patented sealing system holds extremely tight tolerances between panels and grid to frame, eliminating the bypass of solids and intrusion of abrasive grit. We can ensure a tight tolerance down to 0.5mm in all locations on the screen, even those areas that other screens leave vulnerable.

Grid-to-Frame

  • Guide Links create a continuous chain around edge of selected grid
  • Formed stainless steel plate creates a labyrinth seal with Guide Link slot
  • Fully adjustable and removable for inspection
  • Continuously sealed for entire submerged grid path

Panel-to-Panel

  • Slotted stainless steel hook links separated by Delrin spacers
  • Links support panels every 3” (75mm)
  • Panels are closely held against spacers
  • No neoprene to erode or fall off
  • No hinge to loosen or stretch
  • Simple in-situ replacement

Drive

Patented direct drives efficiently power the screen. Stainless steel sprockets support and pull the black UHMWPE Guide Links, resulting in little-to-no friction and long wear. Most importantly, no part of the drive touches the grid. Therefore, a bent grid element will not be compounded into a disabled screen.

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Electric Drive

Resilience to weather, wear, and lack of maintenance make this model an excellent choice for virtually every installation. Through sensible design and material selection this headworks screen is very efficient, utilizing a 0.5 hp (0.38 kW) electric motor. Screens will be wired to suit applications phase and voltage supplies. Chain guards are standard on all electrical models. Explosion proof motors are optional.
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sprocket

Hydraulic Drive

The Great White screen with hydraulic drive incorporates all the benefits of the electric drive with the added capability to be operated submerged. This is a useful option when flooding can occur and reliability is key.

Features:

 

  • Solid stainless steel sprockets and drive shaft
  • Lifts and supports grid
  • Minimum four lugs engaged per sprocket
  • Adjusts to tension grid to extend wear life of screen
  • Grid does not touch drive or unloading mechanism
  • Low friction guide links
  • Fractional hp and kW requirements
  • Only two grease fittings per screen
  • Direct drive uses no chains or sprockets

Screenings Discharge

Our highly effective spray wash provides a superior method of cleaning the grid while prohibiting carryover. Spray nozzles efficiently direct pressurized water over the width of the grid to positively remove screenings and prevent carryover. This method of discharge requires a relatively clean source of water to avoid clogging. Conveyance and compaction may be recommended depending on disposal requirements.

Screenings Handling

An effective screenings handling system is a critical component to every water or wastewater treatment plant. Hydro-Dyne’s turn-key screenings handling solutions are manufactured at the highest level of quality and designed to accept, wash, dewater, compact and/or transport collected screenings. In wastewater applications, screening handling systems are particularly important as they are designed to return organic material to the channel and produce clean, dry and inorganic product that can be properly disposed of in either a container or bagging unit.

Screening Handling At-A-Glance

  • Collect and convey screenings for disposal
  • Returns organics and wash water to channel
  • Screenings meet strict landfill requirements
  • Compactors reduce disposal weight and volume
  • Bagging units can contain odor
  • Agitation can be introduced for more thorough cleaning
  • Can be designed as integral and external models
  • Shafted and shaftless screw flights

Whitetip Shark Washing Compactor

  • Collects, conveys and compacts screenings for disposal
  • Dewatering and conditioning
  • Returns most organics and wash water to channel

Thresher Shark Washing Machine

  • Extremely thorough washing removes virtually all fecal material and produces “clean” and compacted screenings for disposal
  • High capture of inorganic solids reduces plant operating costs and improves sludge quality
  • Organic material returned to plant for biologic treatment

Spinner Shark Screw Conveyor

  • Collects and conveys screenings for disposal

Septage Receiving Station Options

  • T304, T316 and specialty stainless steel construction
  • 60-90 degree angle options
  • Rake spacing increments of 16” (400mm) beginning at 32” (812mm)
  • Cold weather/freeze protection
  • Level sensing, monitoring and billing controls
  • Chopper pump
  • Electric, hydraulic or explosion-proof drives

Thank you for your
interest in our company.

Do you have any questions or would you like more information? We’d
be happy to hear from you.

Do you have any questions or would you like more information? We’d be happy to hear from you.

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