DE1266735B - Precipitation electrode for electrostatic precipitators - Google Patents

Description

FEDERAL REPUBLIC OF GERMANY

GERMAN

PATENT OFFICE

EDITORIAL

Int. Cl .:

Number:
File number:
Registration date:
Display day:

BOId

German classes: 12e-5

1266735
L 38066 ΙΠ / 12 e
January 28, 1961
April 25, 1968

There are precipitation electrodes for electrostatic precipitators known, which consist of two axially spaced immovably nested and slotted tubes are formed. That to be cleaned Gas flows in through a space between the two tubes above. The outer tube is surrounded by a likewise rigid and immovable housing jacket. The separated dust enters the interior of the interior under the action of the gas flow Tube and into the space between the outer tube and the one surrounding this tube Housing jacket from where it should fall into the dust collection room.

Since an additionally arranged cleaning device is not known in these known electrodes is, there is the disadvantage that the dust accumulation on and between the individual tubes in such a way quickly accumulates and establishes that this reduces the efficiency of the entire system in a very short time will.

The object of the invention is to improve the efficiency in collecting electrodes, which of a plurality of tubes arranged axially one inside the other are formed by a novel design to improve the pipes and their cleaning with simple means noticeably.

This object is achieved according to the invention in that the elastic sheath by means of the below Rolling members standing by spring action, for example rollers or the like, inevitably bumpy over the recesses in the stationary pipe is designed to be movable up and down.

This ensures that the jerky rolling over of the slot-like recesses of the internal rigid and fixed pipe and those in the inner annular cavities of the Bellows-like elastic outer covering attached and under spring action rolling members the stationary tube through which the gas flows and the elastic envelope of the same at the same time and quickly cleaned of the dust adhering to them. The detached dust then falls unhindered in the dust collection room below.

In the following the invention is illustrated by means of a drawing showing an embodiment individually explained. It shows

1 shows a collecting electrode with a spray electrode in cut and

FIG. 2 shows a section along line A-B of FIG. 1.

With 1 is the bellows-like elastic envelope

Precipitation electrode for electrostatic
Separator

Applicant:

OMNICAL company for boiler
and Apparatebau mb H.,
6344 Ewersbach

Named as inventor:
Hilarius Link, 6000 Frankfurt

referred to, which is releasably divided by hollow frame parts 2. The spray electrode is denoted by 3. On the frame parts 2 rollers 4 are loaded

ao strengthens, which are slidably guided in the guide rails 5. 6 identifies the cleaning members for the spray electrode 3. The cables 7, 8 and 9 facilitate a concertina-like pulling out and folding of the bellows-like envelope 1 for the purpose of initiating the cleaning process. 10 with a fixed tube enclosed by the elastic sheath 1, in which there are slot-like recesses 11 distributed over the entire circumference, the outlet of which is directed into the annular catching spaces 13 of the elastic sheath 1. In the inner ring-shaped catching spaces 13, the rolling members 12 under spring action are fastened in the form of rollers or the like, which secure an inevitable axial sliding movement for the elastic cover 1 in the aforementioned type of movement for electrode cleaning and at the same time the distance between the elastic cover 1 and the Identify tube 10. Here, the rolling members 12 under the action of a spring roll jerkily over the slots 11 in the pipe 10, so that the rolling members 12, whose diameter exceeds the slot width, act suddenly on the pipe 10 and the sheathing 1 as a result of their spring action every time they cross the slot, whereby these parts as well as the spray electrode 3 are completely cleaned of the adhering and accumulated dust. The detached dust is then steadily diverted through the necessarily created annular gap 14 into the lower dust collection space.

The bellows-like envelope 1 is preferably made of elastic plastic, while that of

809 540/368

its enclosed fixed tube 10 consists of a shock-resistant and wear-resistant plastic. To the Plastic for the casing 1 and pipe 10 are electrical according to known manufacturing processes Conductive additives such as carbon, graphite or the like, added in the appropriate amount, or both Electrode parts made of plastic are coated in a known manner with an electrically conductive protective coating provided or spray-metallized. The tube 10 can also be made of a heat-resistant plastic mesh be made.

Claims (1)

Claim: Precipitation electrode for "electrostatic precipitators, which consist of two axially spaced apart Pipes * j is formed, where the inner slotted stationary tube is traversed by the gas and in its entire length of a tube-like pull-out, bellows-like plastic casing is enclosed, characterized in that that the elastic envelope (1) by means of the known under spring action Rolling members (12), for example rollers or the like, inevitably over the recesses (11) is designed to be movable up and down in the tube (10) in a bumpy manner. Considered publications:
German patent specifications No. 488102, 554 643,
524 ..... . -. 1 sheet of drawings 809 540/368. 4.68 © Bundesdruckelei Berlin