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Pump issues' at wastewater plant go back to July 2022
On Saturday morning, the city asked residents to limit their water use until 6 p.m. to lessen the environmental impacts from sewage overflows into Harbor Cove and the outfall pipe three miles offshore due to “pump issues” at the Water Pollution Control Facility on Essex Avenue.To get more news about Screw pump rotor, you can visit hw-screwpump.com official website.
These issues were not new. A problem with one of the plant’s two influent screw pumps that bring sewage into the facility were identified in July.
At cost of $400,000 from the city’s Sewer Enterprise Fund, the city had ordered four permanent replacement suction lift pumps in September that were scheduled to be installed this March, according to the city’s environmental engineer, Dana Martin.
Then, last Thursday, the plant’s second screw pump failed.
The cascade of events led to two sewer overflow events Saturday, one into Harbor Cove that lasted more than three hours and another involving partially treated wastewater being discharged through the plant’s outfall pipe into Massachusetts Bay from 11 a.m. through Sunday at 2 a.m.
Martin said in an email the second influent screw pump at the plant, which went into service in 1984, “failed due to age.” This happened just before the weekend’s extreme cold snap Friday night into Saturday. The plant switched to a bypass system powered by rental pumps, but those failed as well in the frigid cold.
Martin said the Department of Public Works worked with plant operator Veolia Water and vendors to find alternative bypass pumps and stage them throughout the plant’s campus.
“During the downtime without influent pumps,” Martin said, “wastewater backed up in the collection system and some flow was discharged through the permitted outfall … located in Harbor Cove,” Martin said.
During the transition in pumps, the treatment process was bypassed, and untreated and partially treated sewage was discharged through the plant’s outfall pipe three miles offshore, Martin said.
Martin said on Monday it was unknown what the flow volumes were and if there might be any state or federal regulatory repercussions.
In a detailed timeline, Martin said in an email the wastewater plant uses two screw pumps to bring sewage into the plant.
The plant runs one screw pump at a time, and screw pump No. 1 was taken offline in July after “numerous failures.”
The city, through Veolia, leased four suction lift pumps from pump rental company Rent to Rain to temporarily replace screw pump No. 1, which was later deemed unreliable.
Then, last Thursday, the plant’s second screw pump failed.
The cascade of events led to two sewer overflow events Saturday, one into Harbor Cove that lasted more than three hours and another involving partially treated wastewater being discharged through the plant’s outfall pipe into Massachusetts Bay from 11 a.m. through Sunday at 2 a.m.
Martin said in an email the second influent screw pump at the plant, which went into service in 1984, “failed due to age.” This happened just before the weekend’s extreme cold snap Friday night into Saturday. The plant switched to a bypass system powered by rental pumps, but those failed as well in the frigid cold.
Martin said the Department of Public Works worked with plant operator Veolia Water and vendors to find alternative bypass pumps and stage them throughout the plant’s campus.
“During the downtime without influent pumps,” Martin said, “wastewater backed up in the collection system and some flow was discharged through the permitted outfall … located in Harbor Cove,” Martin said.
During the transition in pumps, the treatment process was bypassed, and untreated and partially treated sewage was discharged through the plant’s outfall pipe three miles offshore, Martin said.
Martin said on Monday it was unknown what the flow volumes were and if there might be any state or federal regulatory repercussions.
In a detailed timeline, Martin said in an email the wastewater plant uses two screw pumps to bring sewage into the plant.
The plant runs one screw pump at a time, and screw pump No. 1 was taken offline in July after “numerous failures.”
The city, through Veolia, leased four suction lift pumps from pump rental company Rent to Rain to temporarily replace screw pump No. 1, which was later deemed unreliable.
SEEPEX SWITCH 3-YEAR PERFORMANCE GUARANTEE ON WEAR PARTS
This unique guarantee is offered to customers who make the SEEPEX SWITCH and replace any brand of conventional progressive cavity (PC) pump or retrofit a SEEPEX pump with a SEEPEX maintain-in-place Smart Conveying Technology (SCT) PC pump. The wear parts guarantee covers rotors, stators, seals and universal joints for three years.To get more news about Screw pump rotor, you can visit hw-screwpump.com official website.
SEEPEX’s SCT pump design has been around for over a decade and continues to provide customers with lower maintenance times, reduced costs, and operating efficiencies compared to other pumping methods. The SCT design offers easy access to the split stator and quick release rotor, which means quick and easy maintenance, short downtimes, energy efficiency, and overall lower life-cycle costs compared to PC pumps of conventional design. The pumps convey media for virtually all industries and handle conveying capacities up to 500 USGPM and pressures up to 120 PSI.
SEEPEX is confident in their product and wants customers to have the same confidence. This guarantee provides peace-of-mind to customers that the days of cumbersome, time consuming, expensive rotor/stator changes are behind them. SCT is an easy, cost effective, drop in solution for the replacement of all older or obsolete pump brands. SCT pumps eliminate the need to remove any pipework for maintenance, do not require special tools, and have lighter components for easier and safer lifting. Maintenance time is therefore reduced by up to 85% compared to traditional PC pump designs.
The design also allows for the stator to be adjusted and tightened as wear progresses. SCT stators last on average twice as long as traditional stators. This saves time and money on parts, maintenance, and improves performance efficiency.
SEEPEX Inc. President Mark Jones states, “We are confident in our Smart Conveying Technology and we want customers to have confidence that when they make the SEEPEX SWITCH and replace their old, hard to maintain PC pumps, they won’t have to worry about wear parts for at least three years.”
SEEPEX’s SCT pump design has been around for over a decade and continues to provide customers with lower maintenance times, reduced costs, and operating efficiencies compared to other pumping methods. The SCT design offers easy access to the split stator and quick release rotor, which means quick and easy maintenance, short downtimes, energy efficiency, and overall lower life-cycle costs compared to PC pumps of conventional design. The pumps convey media for virtually all industries and handle conveying capacities up to 500 USGPM and pressures up to 120 PSI.
SEEPEX is confident in their product and wants customers to have the same confidence. This guarantee provides peace-of-mind to customers that the days of cumbersome, time consuming, expensive rotor/stator changes are behind them. SCT is an easy, cost effective, drop in solution for the replacement of all older or obsolete pump brands. SCT pumps eliminate the need to remove any pipework for maintenance, do not require special tools, and have lighter components for easier and safer lifting. Maintenance time is therefore reduced by up to 85% compared to traditional PC pump designs.
The design also allows for the stator to be adjusted and tightened as wear progresses. SCT stators last on average twice as long as traditional stators. This saves time and money on parts, maintenance, and improves performance efficiency.
SEEPEX Inc. President Mark Jones states, “We are confident in our Smart Conveying Technology and we want customers to have confidence that when they make the SEEPEX SWITCH and replace their old, hard to maintain PC pumps, they won’t have to worry about wear parts for at least three years.”
Common Failures in Progressive Cavity Pump Applications
Are you having performance issues with your progressive cavity pumps? These extremely versatile pumps are used in several different pumping applications and offer all the advantages of a positive displacement pump. They are explicitly designed for abrasion resistance in tough pumping applications. Over time, equipment failure occurs which can be frustrating and inconvenient. Our factory-trained service technicians offer the broadest knowledge available on the most common progressive cavity pump failures including:To get more news about screw pump, you can visit hw-screwpump.com official website.
Puffer-Sweiven Rotating Equipment (formerly Bullen Pump, Inc.) specializes in helping customers address the challenge of minimizing total cost of ownership without jeopardizing process continuity or product quality. Experienced, factory-trained pump repair mechanics will provide a full inspection report of the pump’s overall condition. A professional analysis of equipment failure modes is accompanied with detailed requirements to get the pump back in full working order.
Repaired pump orders include an in-depth customer data book documenting the condition of the pump received, parts replaced, service performed and test reports as a record of history. Users will possess absolute confidence that the equipment will be returned successfully repaired and ready to be reinstalled into service.
Backed by over 70 years of pumping solutions and expertise, we understand every situation is critical, unique and often urgent. Puffer-Sweiven is ready to service compressors, blowers and gearboxes along with positive displacement and centrifugal pumps. Additional serviced pump styles include; Roto-Jet, progressive cavity, vertical turbines, split case, submersible, wet-pit/cantilever, end-suction, ANSI, API, gear and rotary lobe. We are dedicated to meeting our customer’s needs by providing solutions with advanced technology, exceptional quality, competitive pricing and outstanding support.
"I greatly appreciate the way our pump service was handled and completed. The quality of your service has insured that as long as I am involved you will have our business. The work and effort that you and Bobby put in to get my pump turned around same day was top shelf. Thanks Again.
Repaired pump orders include an in-depth customer data book documenting the condition of the pump received, parts replaced, service performed and test reports as a record of history. Users will possess absolute confidence that the equipment will be returned successfully repaired and ready to be reinstalled into service.
Backed by over 70 years of pumping solutions and expertise, we understand every situation is critical, unique and often urgent. Puffer-Sweiven is ready to service compressors, blowers and gearboxes along with positive displacement and centrifugal pumps. Additional serviced pump styles include; Roto-Jet, progressive cavity, vertical turbines, split case, submersible, wet-pit/cantilever, end-suction, ANSI, API, gear and rotary lobe. We are dedicated to meeting our customer’s needs by providing solutions with advanced technology, exceptional quality, competitive pricing and outstanding support.
"I greatly appreciate the way our pump service was handled and completed. The quality of your service has insured that as long as I am involved you will have our business. The work and effort that you and Bobby put in to get my pump turned around same day was top shelf. Thanks Again.
Twin screw pumps
For hygienic applications, twin-screw pumps have been playing a greater role within the group of positive displacement pumps for several years now. Originally, these pumps were primarily used to convey oil products. It is only in recent years that the principle behind these pumps has become firmly established in food and beverage production and in the pharmaceutical, cosmetics and fine chemicals sectors.To get more news about screw pump, you can visit hw-screwpump.com official website.
These are innovative pumps that meet very high quality standards. They are made entirely of stainless steel. In the standard version, the twin-screw pumps have two spindles. A left-hand and a right-hand feed screw displace the product in the axial direction. Unlike PC pumps, which have a similar principle of operation and where the rotor or stator sometimes have to be replaced after a short time, twin-screw pumps operate with very little wear. The running screws do not come into contact and are designed to be wear-resistant, so that abrasion in the pumped medium is completely avoided.
Because the product is not centrifuged in the direction of rotation and then deflected, as is the case with centrifugal and rotary lobe pumps, conveying of the product is particularly gentle. The pumps also operate with extremely low pulsation, ensuring that they go easy on both the material being conveyed and the production line.
Other features of our twin-screw pumps include their high suction capacity, which is characterised by low NPSH values and works to counteract cavitation. Not only is it possible to convey low and high viscosity products – including with low gas content – with one and the same pump, it can also be used to carry out CIP cleaning. This saves space and money, because there is no need to install a second pump for CIP, reducing expenditures on measuring, control, piping and valve systems, and on cabling.
As a rule, hygienic twin-screw pumps come with EHEDG hygiene certification. They are easy to disassemble and conveying lumpy products up to 45 mm in diameter is no problem. Double-flow high-pressure twin-screw pumps are available for pressure differences of up to 50 bar.
Both the pump outlet and the two pump inlets are offered in different nominal diameters to cover a performance range of up to 50 bar. This is particularly important when pumps and heat exchangers or filtration systems are operating together.
In all pump designs, the position of the mechanical seals is in line with the best available technology in pump design. They are fully within the area of flow and feature excellent flushing, cooling and cleaning. The mechanical seals are sturdy and wear-resistant and are single or double-acting depending on the application. All elastomers that come into contact with the product are designed as FDA-compliant moulded rings, making cleaning extremely easy.
Hygienic twin-screw pumps are the natural choice for demanding pumping jobs. They are used for example to convey processed cheese, fondant mass, viscous dough, sausage meat, whole egg, frozen orange juice concentrate or yeast cultures. In the personal care and pharmaceutical products sector, twin-screw pumps ensure excellent quality in creams, toothpastes, body lotions and medicines sold to customers.
Because the product is not centrifuged in the direction of rotation and then deflected, as is the case with centrifugal and rotary lobe pumps, conveying of the product is particularly gentle. The pumps also operate with extremely low pulsation, ensuring that they go easy on both the material being conveyed and the production line.
Other features of our twin-screw pumps include their high suction capacity, which is characterised by low NPSH values and works to counteract cavitation. Not only is it possible to convey low and high viscosity products – including with low gas content – with one and the same pump, it can also be used to carry out CIP cleaning. This saves space and money, because there is no need to install a second pump for CIP, reducing expenditures on measuring, control, piping and valve systems, and on cabling.
As a rule, hygienic twin-screw pumps come with EHEDG hygiene certification. They are easy to disassemble and conveying lumpy products up to 45 mm in diameter is no problem. Double-flow high-pressure twin-screw pumps are available for pressure differences of up to 50 bar.
Both the pump outlet and the two pump inlets are offered in different nominal diameters to cover a performance range of up to 50 bar. This is particularly important when pumps and heat exchangers or filtration systems are operating together.
In all pump designs, the position of the mechanical seals is in line with the best available technology in pump design. They are fully within the area of flow and feature excellent flushing, cooling and cleaning. The mechanical seals are sturdy and wear-resistant and are single or double-acting depending on the application. All elastomers that come into contact with the product are designed as FDA-compliant moulded rings, making cleaning extremely easy.
Hygienic twin-screw pumps are the natural choice for demanding pumping jobs. They are used for example to convey processed cheese, fondant mass, viscous dough, sausage meat, whole egg, frozen orange juice concentrate or yeast cultures. In the personal care and pharmaceutical products sector, twin-screw pumps ensure excellent quality in creams, toothpastes, body lotions and medicines sold to customers.
Spindle screw pumps SEIM like a great idea
exclusive distributor of SEIM screw pumps throughout Africa – supplies and supports the full range of SEIM spindle screw pumps, flow meters and in-line relief valves.To get more news about screw pump, you can visit hw-screwpump.com official website.
“These robust pumps and related products – which are manufactured to stringent quality specifications in accordance with ISO 9001:2000 standards – are designed for dependable use in many sectors, including mining, power generation (wind and hydropower generation), petrochemical, oil and gas, paper, steel, automotive and marine industries,” said Joe Pinheiro, BMG’s National Product Manager, Pumps.
“Key advantages of SEIM pumps include low pulsation levels, reduced noise during operation and high self-priming capabilities. These pumps are able to handle high viscosities and ensure optimal performance, even with air entrapped in oil. The design of these low-maintenance units prevents the possibility of pollutants being released into the medium.”
BMG’s SEIM range encompasses three spindle screw pumps, for viscosities up to 100 000 cst, available with or without built-in relief valves and two spindle screw pumps, for viscosities up to 20 000 cst, available with or without gear drives.
SEIM pumps are also available in accordance with API 676 (latest edition). Flow meters are rated for 200 and 400 bar and in-line relief valves facilitate flows up to 10 000 L/min up to 100 bar. Pumps can also be customized to offer up to 20 000 L/min and up to 200 bar, depending on requirements.
Included in this portfolio, is a selection of pump models capable of handling a wide range of liquids at different flows and various pressures. SEIM pumps are designed to efficiently handle liquids that include various grades of mineral and synthetic oils, HFO and LFO fuel oils, diathermic oils and liquids with little or no lubricating properties, as well as liquids in the food industry and for cosmetics and soaps in the pharmaceutical sector.
BMG offers a technical advisory service to ensure selection of the most suitable pump size for every specific application. The company supports this range with a spares facility and 24 hour maintenance service through more than 100 BMG branches and a wide distribution network in South Africa and across borders into Zambia, DRC, Swaziland, Botswana, Mozambique, Namibia and Tanzania.
“Key advantages of SEIM pumps include low pulsation levels, reduced noise during operation and high self-priming capabilities. These pumps are able to handle high viscosities and ensure optimal performance, even with air entrapped in oil. The design of these low-maintenance units prevents the possibility of pollutants being released into the medium.”
BMG’s SEIM range encompasses three spindle screw pumps, for viscosities up to 100 000 cst, available with or without built-in relief valves and two spindle screw pumps, for viscosities up to 20 000 cst, available with or without gear drives.
SEIM pumps are also available in accordance with API 676 (latest edition). Flow meters are rated for 200 and 400 bar and in-line relief valves facilitate flows up to 10 000 L/min up to 100 bar. Pumps can also be customized to offer up to 20 000 L/min and up to 200 bar, depending on requirements.
Included in this portfolio, is a selection of pump models capable of handling a wide range of liquids at different flows and various pressures. SEIM pumps are designed to efficiently handle liquids that include various grades of mineral and synthetic oils, HFO and LFO fuel oils, diathermic oils and liquids with little or no lubricating properties, as well as liquids in the food industry and for cosmetics and soaps in the pharmaceutical sector.
BMG offers a technical advisory service to ensure selection of the most suitable pump size for every specific application. The company supports this range with a spares facility and 24 hour maintenance service through more than 100 BMG branches and a wide distribution network in South Africa and across borders into Zambia, DRC, Swaziland, Botswana, Mozambique, Namibia and Tanzania.
2VE 2VM vertical and general twin screw pump
2VE,2VM Vertical Twin Screw pump is mainly used in the place of small space mounting and ship building. It is suitable to carry various medium of which has no solid contained including various oil and chemistry and clear medium of which gas content is less than 60% ect.To get more news about Screw pump rotor, you can visit hw-screwpump.com official website.
One of the oldest waterproofing company of Bahrain, AGA GULF ROOF, along with its waterproofing mortars, and thanks to its long experience in Lightweight Concrete Foam manufacturing, provides filling concrete mortars to contractors and end users.
SOLTEC is the Mortar Pump Supplying Partner to AGA GULF ROOF in development of a new “Lightweight Foam Concrete Truck” that will serve standalone more than 100m³ Lightweight foam concrete a day.
Lightweight foam concrete consists 13% of water.
The distance of pumping is up to 60m in total, including 20m in horizontal, and 40m in height.
MOBILE VEHICLE works on construction sites, outdoors conditions, at temperature up to 50°C.
The operation mode of MOBILE VEHICLE is mostly 6 days a week, 10 hours a day.
MOBILE VEHICLE is serviced by appr 5-6 workers.
The control system of the MOBILE VEHICLE provides dual direction control with soft starter and overload protection.
For this project the SOLTEC design department invented an exclusive pump of a high-rise light weight foam concrete supply from the mixing bunker.
DISTINCTIVE FEATURES OF THE PUMP BN076S01HZ ARE AS THE FOLLOWS:
1. having an additional optional inlet nozzle that is made in the shape of 90° elbow, and installed on the main inlet nozzle of the pump, through the standard flange connection DN150mm, which allows to direct it in a circle at any angle;
2. the inlet nozzle is located in the horizontal plane of the pump, for convenient placement of the pump under the mixing bunker;
3. the connection of the pump with the input and output highways is performed by quick CAM LOCK connections;
4. the pump is equipped with a flexible pressure-suction hose for sand-cement mortars.
Thus, due to pumps quality and price characteristics, SOLTEC PUMPS together with AGA GULF ROOF WATERPROOFING MORTARS have taken a leading place in the Bahrain construction market of small-scale mechanization.
Such cooperation has become an example for specialized enterprises from other countries to launch such projects in their regions.
SOLTEC has an experience in providing exclusive distribution and is open to mutually beneficial cooperation with you.
One of the oldest waterproofing company of Bahrain, AGA GULF ROOF, along with its waterproofing mortars, and thanks to its long experience in Lightweight Concrete Foam manufacturing, provides filling concrete mortars to contractors and end users.
SOLTEC is the Mortar Pump Supplying Partner to AGA GULF ROOF in development of a new “Lightweight Foam Concrete Truck” that will serve standalone more than 100m³ Lightweight foam concrete a day.
Lightweight foam concrete consists 13% of water.
The distance of pumping is up to 60m in total, including 20m in horizontal, and 40m in height.
MOBILE VEHICLE works on construction sites, outdoors conditions, at temperature up to 50°C.
The operation mode of MOBILE VEHICLE is mostly 6 days a week, 10 hours a day.
MOBILE VEHICLE is serviced by appr 5-6 workers.
The control system of the MOBILE VEHICLE provides dual direction control with soft starter and overload protection.
For this project the SOLTEC design department invented an exclusive pump of a high-rise light weight foam concrete supply from the mixing bunker.
DISTINCTIVE FEATURES OF THE PUMP BN076S01HZ ARE AS THE FOLLOWS:
1. having an additional optional inlet nozzle that is made in the shape of 90° elbow, and installed on the main inlet nozzle of the pump, through the standard flange connection DN150mm, which allows to direct it in a circle at any angle;
2. the inlet nozzle is located in the horizontal plane of the pump, for convenient placement of the pump under the mixing bunker;
3. the connection of the pump with the input and output highways is performed by quick CAM LOCK connections;
4. the pump is equipped with a flexible pressure-suction hose for sand-cement mortars.
Thus, due to pumps quality and price characteristics, SOLTEC PUMPS together with AGA GULF ROOF WATERPROOFING MORTARS have taken a leading place in the Bahrain construction market of small-scale mechanization.
Such cooperation has become an example for specialized enterprises from other countries to launch such projects in their regions.
SOLTEC has an experience in providing exclusive distribution and is open to mutually beneficial cooperation with you.