DE361314C - Process and device for eliminating malfunctions caused by poorly or non-conductive deposits in electrical gas cleaners - Google Patents
Process and device for eliminating malfunctions caused by poorly or non-conductive deposits in electrical gas cleanersInfo
- Publication number
- DE361314C DE361314C DEM73091D DEM0073091D DE361314C DE 361314 C DE361314 C DE 361314C DE M73091 D DEM73091 D DE M73091D DE M0073091 D DEM0073091 D DE M0073091D DE 361314 C DE361314 C DE 361314C
- Authority
- DE
- Germany
- Prior art keywords
- poorly
- conductive deposits
- electrical gas
- malfunctions caused
- gas cleaners
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/01—Pretreatment of the gases prior to electrostatic precipitation
- B03C3/013—Conditioning by chemical additives, e.g. with SO3
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electrostatic Separation (AREA)
Description
Verfahren und Vorrichtung zur Beseitigung von Störungen durch schlecht oder nicht leitende Niederschläge bei elektrischen Gasreinigern. Für diese Anmeldung ist gemäß dem Unionsvertrage vom z. Juni igii die Priorität auf Grund der Anmeldung in den Vereinigten Staaten von Amerika vom i g. Juni igig beansprucht. Die Erfindung bezieht sich auf die elektrische Abscheidung von Schwebekörpern aus Gasen, insbesondere solchen, deren Schwebekörper störend wirken, z. B. infolge mangelnder Leitfähigkeit nachteilig auf die Aufrechterhaltung eines wirksamen Niederschlagsfeldes einwirken.Method and device for eliminating malfunctions caused by bad or non-conductive deposits from electric gas cleaners. For this registration is according to the Union Treaty of z. June igii the priority based on registration in the United States of America from i g. June very busy. The invention relates to the electrical separation of floats from gases, in particular those whose floats are bothersome, e.g. B. due to lack of conductivity have a detrimental effect on the maintenance of an effective precipitation field.
Man hat sich schon durch Einspritzen von Wasser bzw. durch Anfeuchtung der Gase zu helfen versucht, um den Niederschlag durch Feuchtigkeit genügend leitfähig zu machen. Manchmal aber, z. B. bei arsenhaltigen Gasen oder Dämpfen, führt die Zuhilfenahme von Wasser allein zu Schwierigkeiten'. Es hat sich gezeigt, daß man in solchen Fällen besser zum Ziele gelangt, wenn man die Leitfähigkeit oder Natur der Schwebekörper durch Kohlenrauch, d. h. durch Kohlenstoff, beeinflußt. Die Wasserbesprengung oder Befeuchtung der Gase kann gegebenenfalls neben der Kohlenstoffzuführung beibehalten werden.You have already felt yourself by injecting water or by moistening it the gases tried to help to keep the precipitate through humidity to make it sufficiently conductive. Sometimes, however, B. with arsenic-containing gases or Steaming, the use of water alone leads to difficulties'. It has showed that in such cases one gets better at the goal, if one has the conductivity or nature of the float due to coal smoke, d. H. influenced by carbon. The sprinkling of water or humidification of the gases can optionally be carried out in addition to the supply of carbon to be kept.
Auf der Zeichnung ist eine Vorrichtung zur Ausführung des Verfahrens in einem Beispiel dargestellt.The drawing shows an apparatus for carrying out the method shown in an example.
Der Gaskanal i ist an einem Ende an den Gaseinlaß 2 und am anderen Ende an eine Kammer 3 angeschlossen, die ihrerseits mit der elektrischen Niederschlagsvorrichtung in Verbindung steht. In die Kammer i münden Sprühdüsen 5 oder sonstige Vorrichtungen zum Anfeuchten des Gases. Eine Raucherzeugeranlage, z. B. eine Feuerung 6, ist mit ihrem Auslaß 9 an die Kammer 3 angeschlossen. In der Feuerung 6 wird Öl oder sonst ein Brennstoff verbrannt. Der Luftzutritt zum Brenner 7 wird an den Stellen 8 derart geregelt, daß nur eine unvollkommene Verbrennung stattfinden und infolgedessen kohlenstoffreicher Rauch in die Kammern 3 entweichen kann.The gas channel i is at one end to the gas inlet 2 and at the other End connected to a chamber 3, which in turn is connected to the electric precipitation device communicates. Spray nozzles 5 or other devices open into the chamber i to moisten the gas. A smoke generating system, e.g. B. a furnace 6 is with its outlet 9 is connected to the chamber 3. In the furnace 6 is oil or something else a fuel burned. The air admission to the burner 7 is at the points 8 in such a way regulated that only an imperfect combustion take place and consequently more carbon-rich Smoke can escape into the chambers 3.
Zwischen dem Raucheinlaß 9 und dem Kammerauslaß 13 kann ebenfalls eine Wasserdüse 12 oder sonst eine Befeuchtungsvorrichtung eingeschaltet sein.Between the smoke inlet 9 and the chamber outlet 13 can also a water nozzle 12 or some other humidifying device must be switched on.
Die elektrische Vorrichtung 4 kann beliebig und wie üblich gestaltet sein, z. B. aus senkrechten Röhren 15 als Niederschlagselektroden und Drähten 16 als Ausströmerelek-troden; letztere hängen an einem isolierten Rahmen 17, der durch Leitung 18 mit einer Hochspannungsquelle verbunden ist.The electrical device 4 can be designed as desired and as usual be e.g. B. from vertical tubes 15 as collecting electrodes and wires 16 as discharge electrodes; the latter hang on an insulated frame 17, which by Line 18 is connected to a high voltage source.
Die gereinigten Gase ziehen bei i9 aus der elektrischen Vorrichtung ab, Die zu behandelnden Gase, z. B. solche finit Arsendämpfen o. dgl., werden in der Kammer i zunächst dufch die Sprühvorrichtungen 5 angefeuchtet und dann in der Kammer 3 mit Kohlenstoffteilchen beladen, ehe sie in den elektrischen Apparat d. gelangen, gegebenenfalls nach nochmaliger Besprengung mittels der Düse 12. Dadurch, daß die Kohlenstoffteilchen zusammen mit den übrigen Schwebekörpern niedergeschlagen werden, fallen die bisher bei nicht leitendem Staub o. dgl. auftretenden Schwierigkeiten weg, die darin bestehen, daß .sich an dem nicht leitenden Niederschlag eine Ladung ansammelt, die eine lokale Ionisation bewirkt und das Dielektrikum durchbricht, so daß eine wirksame Potentialdifferenz im Niederschlagsapparat nicht aufrechterhalten werden kann. Sobald aber der Niederschlag erfindungsgemäß gut leitend gemacht wird, fällt diese Schwierigkeit vollständig weg. Die Feuchtbaltung des Niederschlages hat denselben Zweck, wie der Zusatz der Kohlenstoffteilchen, und es wird sich manchmal empfehlen, von beiden Mitteln gleichzeitig Gebrauch zu machen. Das Wasser kann entweder vor und nach der Raucheinführung oder vorher und nachher zur Einwirkung auf die Gase gebracht werden, was durch entsprechende Handhabung von Ventilen o. dgl. an den Düsen 5 und 12 ermöglicht wird. Natürlich kann an Stelle von Wasser jede andere wässerige Lösung oder Dampf, gegebenenfalls neben dem Wasser, benutzt werden.The purified gases are drawn from the electrical device at 19 from, The gases to be treated, e.g. B. such finite arsenic vapors o. The like., Are in the chamber i first moistened by the spray devices 5 and then in the Load chamber 3 with carbon particles before they are fed into the electrical apparatus d. reach, if necessary after another sprinkling using the nozzle 12. This, that the carbon particles are precipitated together with the other floating bodies the difficulties that have hitherto been encountered with non-conductive dust or the like away, which consist in the fact that there is a charge on the non-conductive deposit accumulates, which causes local ionization and breaks the dielectric, so that an effective potential difference is not maintained in the precipitation apparatus can be. But as soon as the precipitate is made conductive according to the invention, this difficulty disappears completely. The moisture content of the precipitation has the same purpose as adding the carbon particles, and sometimes it will recommend using both remedies at the same time. The water can either before and after the introduction of smoke or before and after to act on the Gases are brought, which by appropriate handling of valves o. The like. At the nozzles 5 and 12 is made possible. Of course, any other can take the place of water aqueous solution or steam, optionally in addition to the water, can be used.
Handelt es sich um schon genügend feuchte Gase, so fällt der Betrieb der Düsen 5 und 12 weg. Kohlenstoffzusatz empfiehlt sich stets dann, wenn bei Temperaturen über ioo° C Wasser nicht als die Leitfähigkeit beförderndes Mittel benutzt werden kann.If there are already enough moist gases, operation will be terminated of nozzles 5 and 12 away. The addition of carbon is always recommended when at temperatures above 100 ° C water should not be used as a means of enhancing conductivity can.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEM73091D DE361314C (en) | 1921-03-15 | 1921-03-15 | Process and device for eliminating malfunctions caused by poorly or non-conductive deposits in electrical gas cleaners |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEM73091D DE361314C (en) | 1921-03-15 | 1921-03-15 | Process and device for eliminating malfunctions caused by poorly or non-conductive deposits in electrical gas cleaners |
Publications (1)
Publication Number | Publication Date |
---|---|
DE361314C true DE361314C (en) | 1922-10-12 |
Family
ID=33481904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEM73091D Expired DE361314C (en) | 1921-03-15 | 1921-03-15 | Process and device for eliminating malfunctions caused by poorly or non-conductive deposits in electrical gas cleaners |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE361314C (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE747118C (en) * | 1939-03-24 | 1944-09-08 | Siemens Lurgi Cottrell Elektro | Electrostatic precipitator with liquid introduction into the electrode compartment |
DE1125408B (en) * | 1957-04-12 | 1962-03-15 | Otto Schmid Dr Ing | Process for increasing the separation efficiency of devices for separating suspended particles from gases or vapors through the action of mass forces, such as centrifugal separators and blower separators, while at the same time utilizing the effect of frictional electricity |
DE2727973A1 (en) * | 1976-07-05 | 1978-01-12 | Metallgesellschaft Ag | METHOD FOR SEPARATING HIGH-OHM DUST FROM GAS |
EP0331243A1 (en) * | 1988-03-02 | 1989-09-06 | Metallgesellschaft Ag | Process for increasing the precipitation efficiency of electrofilters |
US6482172B1 (en) | 2000-02-09 | 2002-11-19 | Jeffrey J. Thramann | Flow-by channel catheter and method of use |
-
1921
- 1921-03-15 DE DEM73091D patent/DE361314C/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE747118C (en) * | 1939-03-24 | 1944-09-08 | Siemens Lurgi Cottrell Elektro | Electrostatic precipitator with liquid introduction into the electrode compartment |
DE1125408B (en) * | 1957-04-12 | 1962-03-15 | Otto Schmid Dr Ing | Process for increasing the separation efficiency of devices for separating suspended particles from gases or vapors through the action of mass forces, such as centrifugal separators and blower separators, while at the same time utilizing the effect of frictional electricity |
DE2727973A1 (en) * | 1976-07-05 | 1978-01-12 | Metallgesellschaft Ag | METHOD FOR SEPARATING HIGH-OHM DUST FROM GAS |
EP0331243A1 (en) * | 1988-03-02 | 1989-09-06 | Metallgesellschaft Ag | Process for increasing the precipitation efficiency of electrofilters |
US6482172B1 (en) | 2000-02-09 | 2002-11-19 | Jeffrey J. Thramann | Flow-by channel catheter and method of use |
US6689097B2 (en) | 2000-02-09 | 2004-02-10 | Jeffrey J. Thramann | Flow-by channel catheter and method of use |
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