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Device for taking samples from municipal and/or industrial wastewater

A technology for industrial wastewater and samples, applied in sampling devices, preparation and sampling of samples for testing, etc., can solve problems such as incompatibility

Inactive Publication Date: 2016-06-29
ENDRESS HAUSER CONDUCTA GESELLSCHAFT FUER MESS UND REGELTECHNIK MBH CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For pore sizes smaller than this value, metal frits are not suitable for the purpose of extracting samples from pressure tubes

Method used

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  • Device for taking samples from municipal and/or industrial wastewater

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Embodiment Construction

[0019] figure 1 A device 1 for extracting samples from municipal and / or industrial wastewater is shown, said device 1 comprising a housing 2 in which a filter element 3 extends in longitudinal direction. The filter insert 3 has a cylindrical shape and is arranged in the housing 2 such that a hollow space 9 exists between the housing 2 and the filter insert 3 . Inside the cylindrically shaped filter element 3 is contained an inner tube 4 which completely contacts the surface of the filter element 3 at one inner wall of the filter element 3 . The inner tube 4 shows boreholes 5, 6 at intervals on opposite sides, while halfway between the two pairs of boreholes 5, 6 there is a further pair of boreholes 7, which are arranged according to 90 degree angle setting. The pattern of bore holes 5 , 6 and 7 is repeated throughout the entire length of the inner tube 4 .

[0020] On one side, the inner tube 4 is bounded by a sealing element 8 which prevents the formation of a dead volume ...

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Abstract

The invention refers to a device for taking samples from municipal and / or industrial wastewater that contains a filter (3) and which may be connected to a pressure pipe that carries fibers and particles. For a device, which is designed in a robust and cost-efficient way, while, at the same time, showing a long-lasting service life, the cylinder-shaped filter (3) has been positioned inside of a housing (2), with a hollow space (9) arranged between the housing (2) and the filter (3) that allows for the filter (3) to be washed around, with the filter (3) having a pore size of less than 50 [mu]m, preferably between 0.5 and 20 [mu]m.

Description

technical field [0001] The present invention relates to a device for extracting samples from municipal and / or industrial wastewater; said device comprises a filter cartridge and is connectable to a pressure pipe carrying fibers and particles. Background technique [0002] There are various problems with sample extraction from municipal and / or industrial wastewater due to the high fiber and particulate content in the wastewater. In the widely used technique of taking samples from pressure tubes, wastewater is pumped through the tubes to the point of measurement. Systems exist for extracting samples from pressure tubes, whereby the system leads the sample to be analyzed to a measuring device without filtering the sample. However, such measurements without prior filtering of the sample may not be performed in many analytical methods, eg for ammonium or organophosphorus. [0003] As an alternative, sample extraction systems using cartridges are known. Such filter cartridges h...

Claims

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Application Information

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IPC IPC(8): G01N1/10G01N1/20
CPCG01N1/10G01N1/20G01N2001/1031G01N1/34G01N2001/1043B01D29/68B01D39/16B01D35/02B01D2239/1216
Inventor 迈克·哈斯劳尔约阿希姆·阿尔贝特吉多·门尼肯马蒂亚斯·克内德勒
Owner ENDRESS HAUSER CONDUCTA GESELLSCHAFT FUER MESS UND REGELTECHNIK MBH CO KG
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