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Extractor apparatus with gas cleaning

A shell and air flow technology, applied in the direction of cleaning methods using gas flow, chemical instruments and methods, cleaning with electrostatic methods, etc., can solve the problems of exporting gas and/or particles, environmental pollution and hazards around the extraction device, etc., to reduce the risk

Inactive Publication Date: 2013-07-03
WALDNER LABOREINRICHTUNGEN SE & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the processing and utilization of pulverulent, pure active substances (Wirkstoff), however, the problem arises during the fine dusting or also handling of aerosols in their production that pure ventilation or the production of air currents is not sufficient to ensure the safety from work. Reliable removal of gases and / or particles from the area
This results in contamination of the surroundings of the extraction device and in particular hazards for persons using the extraction device, for example as laboratory workstations

Method used

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  • Extractor apparatus with gas cleaning
  • Extractor apparatus with gas cleaning
  • Extractor apparatus with gas cleaning

Examples

Experimental program
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Embodiment Construction

[0062] The extraction device 10 is designed as a laboratory extraction device, referred to as a laboratory extractor for short. Although the extraction device 10 shown in the figures is an extraction device to be used stationary, it can also be used as a mobile extraction device, for example by installing rollers at the underside. The extraction device 10 comprises a housing 11 in which a working chamber 12 is arranged. The working chamber 12 delimits a working area 13 which is available to the operator for the production, processing, research of pure active substances, of powdered active substances, fine dusts, especially toxic fine dusts or quite commonly also aerosols. The working chamber 12 is bounded laterally by side walls 14 , below by a bottom wall 15 , above by a cover wall 16 and behind by a rear wall 17 .

[0063] The base or base 18 , on which, as explained, for example, rollers can be arranged, forms the underside of the extraction device 10 . The base 18 can be...

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PUM

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Abstract

The invention relates to an extractor apparatus (10), in particular a laboratory extractor apparatus, having a working region (13) and having a fan arrangement (26) for generating an air flow (27) or an inlet opening for an air flow (27) for the purpose of transporting away gases and/or particles from the working region (13), and having at least one surface which delimits the working region (13). The extractor apparatus (10) has a charging means (30) for ionizing the air flow (27) and/or for electrostatically charging the at least one surface.

Description

technical field [0001] The invention relates to an extraction device (Abzugvorrichtung), in particular a laboratory extraction device, with a working area and with a fan assembly (Ventilatoranordnung) for generating an air flow or air for transporting gases and / or particles away from the working area Inlet for flow with at least one surface limiting the working area. Background technique [0002] Such an extraction device, which is used, for example, in laboratories, is known, for example, from DE 201 06 395 U1. The extraction device has a working chamber which can be closed at the front by a door. In order to remove, for example, gas from the working chamber or working area, a ventilation is provided, for which a fan assembly is required. For the processing and utilization of pulverulent, pure active substances (Wirkstoff), however, the problem arises in the production of fine dusts or also handling of aerosols, that is, the production of pure ventilation or air currents ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01L1/04B08B5/00B08B6/00B08B15/02
CPCB01L1/04B08B15/023
Inventor U.格特纳
Owner WALDNER LABOREINRICHTUNGEN SE & CO KG
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