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For years, we have been asking wastewater treatment plants (WWTP) what they like about double disc pumps and what they don’t like. We have even been compiling a database with what regions of the USA and Canada have success with this type of pump for sewage and which areas have had more challenges.
One of the things that most WWTP’s say is that there has been limited competition in the specifications put out for bid by municipalities and consulting engineers working on wastewater projects. As we all know a monopoly in the pump industry is seldom a good thing for quality, innovation and of course pricing for pumps and parts.
Pumping landfill leachate, wastewater containing solids and other debris is a challenging task that requires high performance pump systems to hold up to day-to-day heavy duty pumping tasks. There are added variables like solids, methane gas and potential site risks that must be taken into account when planning for a landfill wastewater and leachate pumping system.
This was just the case for Coney Island’s condensate vacuum pump operations located less than one hundred feet from an inland waterway that flows into the Atlantic Ocean. Salt water destroyed the existing Mud Hog diaphragm pumps, valve systems and electrical panels causing tens of thousands of dollars worth of damage.
The challenge for food waste processors is finding pumps for their applications that are versatile and robust enough to pump through a variety of conditions. This was just the case for a Fresno, California based alternative energy company who earned a multi-year contract to accept expired and spoiled canned tomato paste, tomato sauce, fruit juice, ketchup and bulk tomatoes for Fresno and Bakersfield area grocery stores, prisons, hospitals, food preparations companies and more.
Dry Prime Pumps for Water Authorities and Cities. Water Authorities typically have a need for high flow rate, high suction and discharge pumps for their applications. Dry prime pumps are one of the most popular products for water authorities because of the multitude of situations involved on any given day. For example, heavy rainfall, storms, hurricanes, polar vortexes and more can pop up at a moment’s notice. This often leads to the need to pump millions of gallons of water from one area to another quickly and productively.
Daily use applications such as pumping out storm sewers, lagoons, flooded roadways, flooded basements and more are issues facing public utilities personnel on a daily basis. Operators expect dry prime pumps to connect quickly to a vehicle and start pumping quickly.
This was just the case for the City of Detroit Water and Sewerage Department and the Great Lakes Water Authority (GLWA). The city has been on a multi year effort to upgrade infrastructure and equipment in the City of Detroit and surrounding communities. The effort has been paying off as the city and surrounding communities continue to improve and evolve daily.
Wastecorp Trash Flow TFV Series dry prime pumps were specified by the city and GLWA to pump out flooded areas during storms, manhole pumping and dewatering services in and around the City of Detroit.
Trash Flow model TFV-4M dry prime pumps with Tier 4 Final CAT diesel engines were specified to pump up to 1700 Gallons per minute (GPM) and up to 150’ of head. Dry prime pumps differ from trash pumps in that the operator can start out pumping without fluid in the casing. This is helpful to begin pumping immediately without worrying about burning out mechanical seals
The model you see here includes a DOT compliant trailer system with electric brakes, 80 gallon diesel fuel dank, LED trailer lighting system and optional articulating LED flood lights for emergency pumping overnight. The City also required an optional spare tire mounted on the trailer itself. The CAT diesel engine and Murphy control panel also includes an automatic engine shutdown system for low oil pressure or high engine temperature.
Wastecorp also provided on-site dry prime pump training for the City’s operators in a real life pumping scenario so we could simulate how to use the pump quickly. The Wastecorp factory technician demonstrated the use of the pump and identified the main lubrication areas, connecting and storing hoses and towing the pump.
When selecting a dry prime pump for your application ensure that the manufacturer has a proven track record servicing applications and customers both big AND small. Wastecorp is one of these types of manufacturers. For dry prime pump information and specification assistance contact us at 1-888-829-2783 or email email@example.com more
We recently asked municipal operators who had either a Penn Valley double disc pump or Wastecorp Sludge Pro double disc pump what they would like to see in future product offerings for sewage pumping. The overwhelming response was a compact fit with easy-to change parts when needed.
Wastecorp spent years in research and development designing a new type of double disc pump that provides both engineers and operators an option with low maintenance double disc pumps. We have fielded endless calls from operators over the years complaining about the high cost of rotary lobe and progressive cavity pump parts. While the initial cost may be lower for the pump, the final cost when incorporating parts costs throughout the lifecycle can end up being tens of thousands more than other sewage pumps.
Wastecorp is thrilled to announce the launch of the new easy-to-use Sludge Pro Space Saver Double Disc Pump. The Sludge Pro is designed to pump municipal sewage, industrial wastewater and solids and much more. The Space Saver can pass 2 1/2” spherical solids on all 3”, 4” and 6” connection sizes thanks to Wastecorp’s robust full port ridged clack valve technology.
Penn Valley double disc pumps are only able to pass 1” solids on a comparable 4” pump and requires an extensive disassembly process to replace the discs and trunnions. You can see the differences in the Sludge Pro and Penn Valley in a new comparison video.
Replacement of the disc and trunnion on the space saver is an easy process since the drive shaft remains in place during the entire procedure.Your selection of double disc pump models has become much larger in recent years. You no longer have to settle for one brand or manufacturer. Contact double disc pump manufacturer Wastecorp today to receive pump performance curves, engineering drawings or specifications for your upcoming project. 1-888-829-2783 or firstname.lastname@example.org
What Is It?
The Space Saver double disc pump is a type of sewage pump designed to pump municipal wastewater and sewage.
Where Is A Double Disc Pump Installed?
A double disc pump is installed typically at a municipal wastewater treatment plant, landfill or industrial solids pump processing facility. At a WWTP the Sludge Pro typically sits in the basement near the digesters or primary sewage pumping area. In modern day applications, the double disc pump may have a grinder or some other screening method of sewage
What Size Solids Can The Sludge Pro Pass?
The sludge Pro can pass up to 2.5″ solids, compare that to about 1 inch solids for the red kind.
When is The Sludge Pro Space Saver Available?
The sludge Pro is available now.
One of the topics that we often review at Wastecorp is customers requesting low shear pumps that don’t completely destroy the fluid or solids being pumped. With a low shear pump the fluid is pumped into a valve chamber or clack chamber and then transferred out with the use of check valves. Derek K. from Colombus, OH provides an example of a low shear pump application:
“I am looking for a pump that can do 200 GPM and when it is transferring the water it won’t sheer the water in the process. It will need to discharge 20′. We prefer it to be an electrical pump and if we have to use more than one pump to accomplish the flow we are looking for
that will work as well. looking forward to your response.”
Derek L. Columbus, OH
Derek there are a variety of low shear pumps available but a good example of one is the Mud Sucker Diaphragm pump. The big change with this type of low shear pump is that it is available in two different flapper configurations: Standard flapper and advanced flapper.
Standard Flapper Low Shear Pump
The standard flapper low shear pump uses a traditional flapper style to transfer moderate amounts of shear sensitive media.
As you can see from the caption below, the fluid being pumped enters into the pump body. With the Mud Sucker Series of low shear pumps, solids and fluid travel along a contoured velocity channel and has minimal contact with the mechanical features of the pump. This allows the fluid being pumped to be discharged without destroying the material.
Standard low shear pumps are available in single and double diaphragm configurations. You can also select from electric, explosion proof, gas or diesel engine, hydraulic or air operated low shear pumps.
Advanced Low Shear Pumps
Mud Sucker advanced low shear pumps are designed for higher solids handling requirements with a wider flapper opening in the suction and discharge. With an advanced low shear pump the operator can transfer up to 2¼” solids. The other advantage of this low shear pump series is that the operator can access the flapper check valves in seconds to inspect or replace worn components. There is also a standard emergency pressure relief valve so there is a reduced chance of a blockage or closed valve in the line causing pump damage.
Many industrial facilities have standardized their pump operations to include Mud Sucker low shear pumps for quick maintenance low repair parts cost and excellent return on investment. Mud Sucker advanced low shear pumps are available in single diaphragm and double diaphragm configurations.
For questions on your application, speak to a low shear pump expert at 1-888-829-2783 or email email@example.com more