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Device for cleaning fluid by means of filter bed and method for determining extent of movement of filter bed

A technology for cleaning fluids and filter beds, applied to loose filter material filters, separation methods, filtration separation, etc., which can solve problems such as difficult observation and deviation of filter material movement speed

Inactive Publication Date: 2014-04-09
PAQUES I P
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it may happen that the speed of movement of the filter material in the container deviates suddenly and this is not easily observed by the operator

Method used

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  • Device for cleaning fluid by means of filter bed and method for determining extent of movement of filter bed

Examples

Experimental program
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Embodiment Construction

[0032] The invention will be described in more detail below with reference to the examples shown in the accompanying drawings.

[0033] The reference numeral 1 in the figure designates a container in which a filter bed 2 of filter material, in this example sand and / or quartz sand and / or granite sand, is arranged. The container 1 is formed by a cylindrical section and a conical section at the bottom. The top of the container is open, but it can also be closed.

[0034] In the center of the vessel 1 there is a conveying system arranged to agitate the filter material of the filter bed in operation. The transport system here is arranged as an airlift. Although the airlift device may comprise only a single riser tube 26, in this example a second tube 3, called the outer tube, is arranged around the riser tube 26. This outer tube 3 extends to the lower end 27 of the riser 26 , but in particular ends at a distance above the lower end 27 . An air intake nozzle 28 is provided below...

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PUM

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Abstract

The present invention relates to a device for cleaning a fluid, wherein the device comprises a vessel, a filter bed with granular filter material, such as sand, wherein the filter bed is provided in the vessel; a transport system arranged to agitate filter material of the filter bed during operation; and a sensor system. The sensor system comprises a contact body that comes in contact with the filter material in the filter bed; and a vibration sensor connected to the contact body for sensing vibrations of said contact body. The vibration sensor is arranged for producing a signal which is dependent on the vibrations detected by the sensor. The contact body comprises the wall of the vessel and / or a rod extending into the filter bed. The invention relates further to a method for determining the degree of movement of a filter bed with granular filter material, wherein a contact body is used which comes into contact with the filter material in the filter bed, and wherein the degree of movement of the filter material is determined by sensing the vibrations caused by the movement of the granular filter material of said contact body.

Description

technical field [0001] The invention relates to a device for cleaning fluids, wherein the device comprises: [0002] container; [0003] a filter bed with particulate filter material such as sand, wherein the filter bed is disposed in the container; [0004] a transport system arranged to move the filter material of the filter bed during operation; [0005] sensor system. Background technique [0006] Devices for cleaning fluids, such as sand bed filter reactors, are well known. The fluid to be cleaned, the influent, is caused to flow through the sand bed and the filter material is moved by means of a conveying system. The movement of the filter material is usually based on the recirculation of the filter material through the bed: for example, before or after the treatment of the filter material, the filter material is transported from the bottom of the bed to the top of the bed, where the filter material is in the bed The top of the bed is deposited, and then the filte...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D24/30B01D24/48
CPCB01D24/30B01D24/4689B01D24/48
Inventor 西普科·克里斯蒂安·里克斯
Owner PAQUES I P