Noggerath® Wash Press NWP

Noggerath® Wash Press NWP

Noggerath® wash press NWP – simplicity and economy

The Noggerath® wash press NWP is a modern sieved waste management solution designed to optimise wastewater treatment processes. This simple, versatile and adaptable washing press, especially appreciated for its flexibility and cost-effectiveness, will provide you with these options:

  • Washing of soluble organic matter.
  • Seamless integration into existing wastewater treatment plants.
  • Significant reduction in the weight of untreated waste
  • Reduction of dry solids in the leached sieved material.
  • Adaptation of the dewatering capacity to the intended conditions.

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Description

The Noggerath® wash press NWP is a simple, versatile and easily adaptable washing press

The Noggerath® wash press NWP is a reliable unit designed to effectively meet the challenges of municipal and industrial wastewater treatment in combination with pre-treatment screens and grates. It includes transport, dewatering, washing, compaction and safe disposal of the treated material. They are not only environmentally friendly, but also an economical and cost-saving way to handle sieved materials.

Benefits

  • Reduction of operating costs. Replacement wear profiles in the press area and a screw made of wear-resistant special steel reduce wear and operating costs.
  • Ease of maintenance. The modular design and good accessibility to all parts ensure that maintenance is easy and efficient.
  • Efficient drainage. Direct contact between the auger and the slotted bottom of the drainage area ensures efficient, clog-free drainage.
  • Best drainage performance. The adaptable drainage bottom and the extended feed zone allow the best possible drainage performance, adapting to local conditions.
  • Re-use of organic material. Leached organic matter can be recycled back into the downstream process to maintain denitrification and improve environmental protection.
  • Flexibility and adaptability. Thanks to their modular design, these scrubbing presses are easily adaptable not only to new projects but can also be integrated into existing wastewater treatment plants.
  • Efficiency and sustainability. Up to 80% reduction in the weight of untreated waste and up to 45% reduction in the dry solids content of the sieved material ensure that the discharged materials meet high environmental standards.

The Noggerath® wash press NWP can be equipped with the following options

  • NWP/ NSP-FF– Standard design, feed and press zone bottom made of flat profile with elongated meshes for coarse and fine screening (>2 mm) with normal water content in the screening medium.
  • NWP/ NSP-PF– Inlet zone with perforated sieve bottom and pressing zone made of flat profile bottom with elongated meshes for fine screening (>2 mm ≤10 mm) and higher water content in the screening medium.
  • NWP/ NSP-PW – Feed zone with perforated screen bottom and press zone with wedge wire screen bottom for fine screening (<=2) with low water content in the screening medium.

How it works

The Noggerath® wash press NWP has a simple and consistent operating principle. The materials are caught by a screw in the feeding zone and pushed into the washing/compression zone. The feeding zone includes the transfer, pressing and drainage zones, where a slotted drainage bed allows static drainage of the media. In the washing zone, organic matter is separated from the separated material, decomposed and washed away. The soil is further pushed by a screw into the compaction zone, where it is drained and compacted by gravity. In the compaction zone, the tailings are compacted to a specified rate and pushed through a friction pipe to a removal unit or packaged.

Specification

NSP / NWP 200 250 300 400 500
Spiral diameter [mm] 198 256 304 395 495
Drive unit [kW]

(400 V / 50 Hz)

 1,5 2,2 3,0 4 5,5
Raw materials [m³/h] 2,5 3,8 6,0 9,5 14,0
Maximum capacity (continuous operation)

[m³/h]

 1,5 2,3 3,5 5,3 7,5
Washing capacity [m³/h] 1 1,5 2,5 3,5 5,0
Water consumption (NWP) [l/s at 4 bar] 2 2 2 3 3
Minimum feed length [mm] 500 500 / 1000 1000 1000 1000
The feed length can be extended using 500 mm modules (special lengths on request).

 

Components

Materials
Base body, feed hopper, washing/rinsing system, discharge base, machine feet, friction pipe Stainless steel AISI 304 or AISI 316L (others on request)
Screw Special micro-alloy steel St 52

Or stainless steel AISI 304 or AISI 316L

 

NSP / NWP 200 250 300 400 500
Drainage bottom Opening width [mm] Open drainage bed area [%]
Perforated bottom 2 23
3 33
5 36
Flat bottom with slots 2,8 14 13 15 9 9
Wire mesh bottom with slits 1,6 24

 

The technical data provided in this presentation are indicative only and must be determined on a case-by-case basis. Technical modifications may occur

Application and fields of activity

  • Municipal wastewater treatment plants
  • Industrial wastewater treatment plants
  • Fish processing industry
  • Slaughterhouses and meat processing industry
  • Food industry
  • Sugar industry
  • Chemical industry
  • Wood processing
  • Textile industry

Additional options

  • Continuous bagging system.
  • Removal conveyor instead of friction pipe.
  • A brush mounted on the outer perimeter of the screw in the feeding zone for cleaning the holes in the bottom of the perforated screen.
  • All critical components can be ATEX explosion protected
  • Friction pipe extension (design to customer specification)
  • Choice of feed hopper (design to customer specification)
  • Flushing system for friction pipe with manual valve or solenoid valve.
  • Friction pipe freeze protection
  • Level sensor (radar version as standard)
  • Emergency stop button
  • Control panel (PLC or electromechanical)

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