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Special Constructions

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Armature Shafts for Pumping Stations with Submersible Installation

1.3 - Sonderanlagen

Advantages

  • No Risk of Corrosion for the Armatures
  • Easily Accessible at Shallow Depth
  • Safe Working Conditions
  • Outside the Explosion Hazard Zone
  • Fewer System Components in the Pump Shaft

Equipment

  • Flushing Connection
  • Pigging Station
  • MID
  • Gate Valve
  • Check Valves
  • Non-Return Flaps
  • Vacuum Breaker
  • Ventilation Valves
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1.1 - Sonderanlagen

Equipment

  • Tank made of double-walled PE-HD spiral pipe with a shaft cover plate and base plate made of PE-HD with a steel-reinforced concrete core
  • Precast reinforced concrete components according to DIN 4034 Part 1
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Measurement and Control Shafts

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Equipment

  • MID for measuring the volume of flowing water
  • Gate valves can be regulated for flow measurement using an electric actuator
  • Probes can be installed according to requirements

Shaft Systems

  • Tank made of double-walled PE-HD spiral pipe with a shaft cover plate and base plate made of PE-HD with a steel-reinforced concrete core
  • Precast reinforced concrete components according to DIN 4034 Part 1

Pressure Relief Shafts

Function

The excess pressure from the pressure pipe is reduced, allowing the water to flow out with a free gradient and without turbulence.

Applications

  • Pressure reduction before discharge into a receiving water body
  • Prevention of backflow in the network due to overload
  • Pressure reduction to minimize H2S release
  • A calm inflow into the pre-treatment of a wastewater treatment plant
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Throttle Shafts

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Function

Throttle shafts are used to regulate the water flow. Incoming water is buffered in the shaft and then released in a controlled, evenly throttled outflow. Regulation can be adjusted for flow rates up to 30 l/s.

Applications

  • Discharge into the sewer system to prevent overloads
  • Discharge limitation of wastewater treatment plant outflows into the receiving water body

Shredder

Function

Coarse and fibrous materials in the wastewater are shredded, preventing blockages in pumps and piping systems.

Applications

  • WWTPs
  • Pumping Stations
  • Biogas Plants
  • Highway Service Areas
  • Camping Areas
  • Airports
  • Industrial Kitchens
  • Hotel Facilities
  • Agriculture
  • Slaughterhouses
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Heavy Rain Relief for Combined Sewer Systems

6.1 - Sonderanlagen

Function

Our system for heavy rain relief is activated once the capacity limit of the sewer system is reached. Under normal conditions, the wastewater flows by gravity. If an overload due to heavy rain is imminent, the lowering gate valve in the pumping station opens, allowing support via the pressure line. All piping systems are routed through the armature shaft, enabling regulation based on the flow rate.

Shaft Systems

  • Distribution shaft with outflows directed toward the armature shaft and pumping station
  • Pumping station configured as a dual system with a lowering gate valve
  • Armature shaft with pressure and gravity lines, as well as gate valves and MIDs

Storage Tank

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Components of the System

  • Tank made of double-walled PE-HD spiral pipe with a shaft cover plate and base plate made of PE-HD with a steel-reinforced concrete core
  • Pump Sump for Residual Drainage
  • Wastewater Aeration
  • Work Platform and Access Option

Applications

  • Buffering During Heavy Rainfall
  • Aeration of Wastewater to Stop Further H2S Formation
  • Potential Retention of Debris and Solids
  • Potential Retention for Emergency Cases
  • Ventilation and Exhaust Air Treatment
  • Access for Cleaning Operations in the Piping System
  • Suitable Location for Dosing
  • Suitable Location for Flow Measurement

Backflow Stop

Function

  • Under normal conditions, the wastewater flows by gravity into the sewer system.
  • As soon as there is backflow from the network, an overflow into the shaft occurs.
  • The level measurement reports the water level to the control system.
  • The gate valve closes.
  • The pump conveys the wastewater back into the network.
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Advantages

  • The building is protected by flood prevention measures.
  • Pumping occurs only briefly at the beginning of the backflow, minimizing pump wear.

Sedimentation Systems

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Purpose

Sedimentation systems are used to clean stormwater from roadway surfaces, protecting water bodies and infiltration systems from contamination.

Function

  • The building is protected by flood prevention measures.
  • Pumping occurs only briefly at the beginning of the backflow, minimizing pump wear.

Rainwater Filter Shafts

Purpose

Rainwater filter shafts are used for the treatment of rainwater and surface water, protecting downstream systems from contamination. An advantage is that they can also retain substances that are not settleable.

Function

  • Light substances accumulate on the water surface.
  • Sludge settles at the bottom of the tank.
  • The outflow siphon prevents the discharge of light substances.
  • Floatable and settleable substances are retained.
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Separation Systems for Silage Effluent and Rainwater

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Applications

In silo facilities, highly contaminated silage effluent and rainwater are produced. Depending on the surface contamination and the duration of the rainfall event, the pollution level of the runoff water varies. Our separation system measures the level of contamination, allowing targeted separation of polluted and unpolluted water.

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Technical Equipment

  • PE-HD Storage Tank with Sufficient Buffer Volume
  • Pumps for Rainwater
  • Pumps for Silage Effluent
  • Level Measurement
  • Flow Measurement
  • pH Probe
  • Conductivity Measurement
  • Turbidity Measurement

Fat Separator

Applications

Fat separators are used for the proper disposal of oils and fats of organic origin. Oils and fats accumulate at the surface, while sludge settles at the bottom of the tank. Key areas of application include slaughterhouses, industrial kitchens, hotels, and restaurant operations.

Shaft Systems

  • Nominal sizes up to 20 l/s
  • With integrated sludge trap
  • Reinforced concrete tank with interior coating
  • Corrosion-resistant installation components made of stainless steel
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Light Liquid Separator

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Applications

Light liquid separators are used to separate water and light liquids such as oil and gasoline, preventing them from entering the sewer system. They are primarily used in areas where oil-containing wastewater is generated, such as gas stations, workshops, or parking lots.

Shaft Systems

  • Nominal sizes up to 20 l/s
  • With integrated sludge trap
  • Reinforced concrete tank with interior coating
  • Corrosion-resistant installation components made of stainless steel

Fire Water Systems

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Fire Water Tank

  • Reinforced Concrete Tanks in Ring and Compact Construction
  • Volume up to 108m³
  • Ring space seals as sealing systems
  • Ventilation chimney made of stainless steel in DN100
  • Ventilation chimney made of stainless steel in DN100
  • Suction pipe with "fire brigade A-coupling"
  • Stainless steel access ladder and entry aid
  • Sign according to DIN 4066-B2 with the inscription "Fire Water Extraction Point"
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Booster Pumping System

  • The supply is provided by a fire water storage tank.
  • The booster pumping system supplies the fire water network.
  • The operating pressure is measured by a pressure switch.
  • Automatic activation occurs as soon as a minimum pressure is dropped below.

Shafts with Control Technology

  • Gate Valve
  • Distribution
  • MID for Flow Measurement
  • Water Meter
  • Make-up Unit

Emergency Shafts

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Function

  • Under normal conditions, rainwater is drained by gravity.
  • In the event of an emergency, the drain is closed by a gate valve.
  • The fire department or waste disposal contractor can carry out disposal using a suction hose connected to the C-coupling.

Applications

Emergency shafts are essential components in areas where there are potential hazards for the discharge of pollutants. In the event of an emergency, the discharge to the sewer system is immediately sealed off by a gate valve. Applications include: industrial halls, logistics centers, unloading stations, and more.

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Diversion Shafts

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Applications

Diversion shafts are used at car and truck wash stations. They serve to separate the rainwater and wastewater runoff.

Function

  • When the wash station is in operation, the wastewater flows by gravity to the separator.
  • If the wash station is not in operation during a rainfall event, the water is diverted into the network.

Catchment / Inspection Shafts

Applications

In the event of an emergency, hazardous liquids are stored in the catchment shaft. Areas of application include industrial facilities and municipal wastewater treatment plants.

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Neutralization Systems

17.1 - Sonderanlagen

Applications

The neutralization system is used to treat acidic or alkaline wastewater to bring the pH value into a neutral range. Neutralization systems are used in industrial facilities and municipal wastewater treatment plants.

Equipment

  • Corrosion-resistant shaft system made of PE-HD
  • Mixer
  • pH Probe
  • Level Probe
  • Dosing Station
  • Drainage Pump
  • Control Unit

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