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A waste water treatment device

A wastewater treatment and level sensor technology, applied in water/sewage treatment, water treatment parameter control, water/sludge/sewage treatment, etc., can solve the problems of difficult, time-consuming and expensive operation and maintenance of separators

Active Publication Date: 2022-07-05
HYDRO INTERNATIONAL AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, operating and maintaining separators is a difficult, expensive, time-consuming and resource-consuming process

Method used

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  • A waste water treatment device
  • A waste water treatment device
  • A waste water treatment device

Examples

Experimental program
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Embodiment Construction

[0035] figure 1 Separator 2 is shown comprising tray assembly 4 disposed within process vessel 6 . The tray assembly 4 includes a plurality of nested tray units 14 . figure 1 Five tray units 14 are shown, but it should be understood that the tray assembly may include more or fewer tray units 14 . The nested tray units 14 define a separator axis 16 such as figure 2 and 3 As shown, the separator axis 16 is vertical and preferably substantially vertical. The tray units 14 are spaced apart from each other along axis 16 . The processing vessel 6 is provided with an inlet chute 8 and a fluid outlet 12 .

[0036] Each tray unit 14 includes a frustoconical tray 18 having a circular hole 20 at the apex of the tray 18 . The axis of the conical shape of the tray 18 is aligned with the separator axis 16 . The trays 18 converge in a downward direction. A cylindrical rim 24 extends upwardly from the outer periphery of the tray 18 and an annular lip 26 extends radially inward from t...

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PUM

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Abstract

The present invention describes a wastewater treatment plant comprising: a vessel including an inlet for receiving an inflow stream; and a separator disposed within the vessel. The wastewater treatment device further includes: a grit tank connected to the separator; a level sensor configured to output a signal indicative of a level of grit within the grit tank; one or more fluidization nozzles, the one or a plurality of fluidization nozzles are disposed in the gravel tank and are configured to deliver fluid jets from a fluid supply to fluidize the gravel accumulated on the lower surface of the gravel tank; an extraction outlet connected to the pump for extracting grit fluidized by the fluidization nozzle; and a controller in communication with the level sensor, wherein the controller and the pump are configured to activate the fluidization nozzle based on a signal received from the level sensor. The present invention also describes a wastewater treatment device comprising: a vessel including an inlet for receiving an inflow stream; and a separator disposed within the vessel. The wastewater treatment device also includes a grit tank connected to the separator, a level sensor configured to sense a level of grit within the grit tank, and a support extending from outside the grit tank into the grit tank. The level sensor is movably connected to the support and is movable along the support between a working position and a maintenance position for user operation; the level sensor is located in the gravel tank in the working position, and the level sensor is located in the maintenance position. The location is outside the gravel tank.

Description

technical field [0001] The present invention relates to a waste water treatment device. Background technique [0002] For example, wastewater entering a wastewater treatment facility may contain fats, oils, grease and grit (FOGG), etc., which can damage processing equipment and result in loss of performance. [0003] A separator for removing grit from a wastewater stream is described in US6645382. The separator includes a tray assembly in the form of a frusto-conical tray consisting of a plurality of stacked settling plates. Each tray has a centrally located opening and a lip extending around the perimeter of the tray and projecting inwardly. The trays are axially spaced so that waste water can flow between the trays. The stacked trays are immersed in a container such as a grit chamber. Inflow pipes guide the waste water between the trays and ensure that the waste water is evenly distributed throughout the stack of trays. The inflow ducts are arranged to provide tangent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D21/00B01D21/02B01D21/24C02F1/00
CPCB01D21/0045B01D21/2472C02F1/40C02F2001/007C02F2101/32C02F2209/42C02F2303/14C02F2303/24B01D21/2411B01D21/2416B01D21/245B01D21/34B01D21/0042B01D21/30
Inventor 格伦·墨菲安德鲁·斯科特·阿纳斯塔西奥
Owner HYDRO INTERNATIONAL AG
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