Device for filtering gas flow

A technology for gas flow and filtration components, applied in membrane filters, dispersed particle filtration, transportation and packaging, etc., can solve the problem of inability to export filtration auxiliary substances, and achieve the effect of improving filtration effect, avoiding downtime and improving usability

Active Publication Date: 2017-08-15
P·利茨
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Then, if these auxiliary filter substances are to be thrown out of the treatment container, these lumps block the discharge opening and / or the subsequent pipeline, so that the auxiliary filter substances cannot be discharged

Method used

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  • Device for filtering gas flow
  • Device for filtering gas flow
  • Device for filtering gas flow

Examples

Experimental program
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Embodiment Construction

[0036] figure 1 A device 1 for filtering a gas flow is shown schematically, which is used in the present case for air cleaning in a paint spray booth 2 of a wet painting plant for painting motor vehicle parts.

[0037]A feed gas stream with cohesive paint particles, referred to below as particles, is supplied from the spray booth 2 to the device 1 . The device 1 includes a filter assembly 4 with one or more filters, which can be designed in particular as compact filters.

[0038] In order to prevent the filter surface from sticking, a container 5 arranged below the filter assembly 4 with an auxiliary filter substance is arranged in the device 1, wherein the auxiliary filter substance consists in the present case of lime powder or clay sand composition. The auxiliary filter substance in the container 5 can be rolled up by means of a nozzle assembly 4 a and then accumulate on the filter surface of the filter assembly 4 , thereby preventing particles to be filtered from causing...

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PUM

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Abstract

The device (1) according to the invention is used for filtering a gas flow and has a filter assembly (4) by means of which particles are separated from the gas flow, with at least one container (5) by which the filter assembly (4) Clean granules and / or filter aids are stored in the container. Assigned to the container (5) is a crushing device (8), by means of which the particles and / or auxiliary filter substances are mechanically crushed, wherein the crushing device (8) has at least one motor-driven The roller (14) is provided with crushing elements on the shell surface of the roller. These crushing elements form a fine mesh grid structure with small grid openings. With the crushing device, fine, crushed material is obtained which has a flow behavior similar to that of a liquid and / or the material crushed with the crushing elements is transported in the rollers.

Description

technical field [0001] The invention relates to a device for filtering a gas flow. Background technique [0002] A device of this type is disclosed in DE 199 24 130 A1. In this device, gas containing harmful substances is supplied to a filter, where the harmful substances are filtered out. To enhance the filtering effect, the gas stream is supplied with filter aids such as activated carbon or lime powder. These auxiliary filter substances deposit on the filter together with harmful substances and prevent the filter from sticking undesirably. [0003] Cleaning of the filter is performed at a predetermined time. The pollutant-containing auxiliary filter substances separated from the filter are collected in a treatment container. These auxiliary filter substances, which contain harmful substances but are not yet saturated, are supplied to the gas to be cleaned again. For this purpose, a return guide unit is provided, which preferably has a metering nozzle directed towards ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D46/00B01D46/48
CPCB01D46/48B01D2273/12B01D46/66
Inventor J·阿廷格尔D·若尔特M·科赫N·弗兰克
Owner P·利茨
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