________________Liquid Waste Technology, Inc.
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   PUMPS SLUDGE FAST!  


Welcome to LWT, Inc.

Liquid Waste
Technology

 

LWT CORPORATE MISSION: LWT provides value to our clients by using our experience and expertise to incorporate technology to provide innovative, quality systems and component equipment for the dredging, removal, agitation, transfer or land application of solids bearing liquids.

LWT Inc. manufactures the PIT HOG line of Hydraulic horizontal auger head dredges, lagoon pumpers and pumping systems for the handling of nearly all semi-liquid or liquid wastes.

LWT designs and provides complete systems for land application of sludges, bio solids and liquid livestock manure by direct sub-surface injection including tool bars, hose reels and agitators.

LWT specializes in custom design/build electronically controlled, hydraulically powered systems for remote operation with specific remedial needs (including Super fund). This includes rail tank car agitators, submersible robotic crawlers, and submersible chopper pumps for digester cleaning systems. In addition to these custom applications, we also design a number of control systems, including hand held, automated, electronic and radio remote controlled interfaces.

LWT provides specialized sub-contract dredging and land application services for municipal WWTP sludges, water plant lime, food processing bio solids, industrial process residuals silt and sand and other types of lagoon slurries.
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Versatile systems for fast, efficient, cost effective removal of sludge,sediment,residuals,silt,and sand
SEWAGE TREATMENT PLANTS STORM WATER/SETTLING BASINS STEEL MILLS WASH SETTLING BASINS
MINE TAILINGS IRRIGATION CANAL SEDIMENT FLY ASHES AGRICULTURE
PAPER MILLS FOOD PROCESSING CANAL DEEPENING CONTRACTING
PETRO-CHEMICAL PLANTS POWER PLANTS FISH HATCHERIES CEMENT MANUFACTURING PLANTS
LAKE RECLAMATION WATER TREATMENT PLANTS INDUSTRIAL PROCESS PLANTS OTHER APPLICATIONS

LWT Inc., Liquid Waste Technology, manufactures PIT HOG Series PH7MAU horizontal dredges for effective dredging and performance. LWT engineered this unit with quality construction and components for long term reliability and dependable ease of operation. Understanding the component parts of these units will lead to an appreciation of the potential of the machine.


AUTO SENSE SYSTEMS AND CONTROL PANELS

Below is a table listing of the different categories of automatic sensors that LWT manufactures

LWT PIT HOG
AUTO SENSOR SYSTEMS TABLE
  • BOTTOM SENSE(TM)
  • AUTO SENSE(TM)
  • SOLIDS SENSE(TM)
  • LATERAL SENSE(TM)
  • RADIO REMOTE SENSE(TM)
  • COMBINATION SENSOR
    PACKAGES

  • BOTTOM SENSEUse LWT's BOTTOM SENSE™ system to protect pond bottoms and liners. Switch on BOTTOM SENSE™, and the sensing system will automatically raise the auger head when the bottom is contacted and lower the head when it senses that the bottom is not present. This allows for more accurate control in following the bottom contours of the lagoon or pit.

    SOLIDS SENSEIncorporation of LWT's S0LIDS SENSE™ solids control dredging system will automatically work to maintain delivery of a constant solids density. Set the desired solids density level and the control system will continually respond to maintain that level. The SOLIDS SENSE™ control system reacts quickly and virtually eliminates the need for hands on operator control while dredging. This enables LWT systems to manage your solids production to a level of accuracy never before possible

    RADIO REMOTE SENSE LWT has designed this system to allow complete remote control of the dredging operation with a portable radio system. The hand held control panel may be operated at A distance of at least 2,000 feet from the dredging unit, with three revolving lights on board the dredge indicating when the auger, pump, and travel motors are running. This controls the functions of speed and direction for the following:

  • Slurry pump
  • Auger
  • Unit travel
    The RADIO REMOTE SENSE also controls:
  • Power on/off
  • Dredging depth
  • The hand held control panel may be operated at distance of at least 2,000 feet from the dredging unit. For ease in visual checks, even at a distance, LWT PIT HOG dredges are equipped with three separate revolving lights indicating when the auger, pump, and travel motors are running. As LWT integrates electronic control systems on its PIT HOG equipment, this control system may be used to drive either electric or engine power plants as well

    AUTO SENSE Cable stops are set on the traverse cable at the limits of the area to be dredged. When the dredge contacts the forward stop, the unit will automatically stop forward travel, raise the auger, slow the slurry pump speed, and reverse at a high rate of travel until it makes contact with the rear stop. The dredge will then lower the auger head and shut down (or alternatively wait for a command to go forward).

    LATERAL SENSE When the project application calls for automated lateral movement LWT can incorporate and control this function by installing an on board radio system.

    COMBINATION SENSE FEATURES FOR TOTAL REMOTE CONTROL BY RADIO Combine these features for efficient automated dredging, while minimizing labor. The dredge travels forward with the SOLIDS SENSE™ system controlling production and travel across the pond, while automatically maximizing solids. BOTTOM SENSE™ protects the pond bottom and follows pond contours. LATERAL SENSE™ is combined with AUTO SENSE™ and the other systems described above for complete control, cable free, automation. Utilizing these features cuts the labor requirement and the hands on intensity of any project while optimizing production levels.

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