DE366968C - Device for supplying pressure medium when cleaning filter surfaces - Google Patents

Device for supplying pressure medium when cleaning filter surfaces

Info

Publication number
DE366968C
DE366968C DEW56448D DEW0056448D DE366968C DE 366968 C DE366968 C DE 366968C DE W56448 D DEW56448 D DE W56448D DE W0056448 D DEW0056448 D DE W0056448D DE 366968 C DE366968 C DE 366968C
Authority
DE
Germany
Prior art keywords
filter surfaces
gases
pressure medium
supplying pressure
cleaning filter
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
Application number
DEW56448D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AKT GES DEUTSCHE MASCHF
Original Assignee
AKT GES DEUTSCHE MASCHF
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AKT GES DEUTSCHE MASCHF filed Critical AKT GES DEUTSCHE MASCHF
Priority to DEW56448D priority Critical patent/DE366968C/en
Priority claimed from DED41280D external-priority patent/DE366967C/en
Application granted granted Critical
Publication of DE366968C publication Critical patent/DE366968C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/4218—Influencing the heat transfer which act passively, e.g. isolations, heat sinks, cooling ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
    • B01D46/60—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
    • B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Description

Vorrichtung zur Druckmittelzufuhr bsi der Abreinigung von Filterflächen. Bekannt ist das Abreinigen von Filterflächen durch Hindurchtreiben eines unter Druck stehenden Gases im Gegenstrom; die zu diesem Zweck nach der Filtration entnommenen Gase (Spülgase genannt) müssen wegen der Kondensierung der in den Gasen enthaltenen Wasserdämpfe einer Wiedererwärmung unterzogen werden, um ein Verschmutzen oder Verstopfen der Filter zu vermeiden. Um eine trockene Filtration wassergesättigter Gase zu ermöglichen, müssen diese auf einer über dem Taupunkt der Gase liegenden Temperatur gehalten werden. Gemäß der vorliegenden Erfindung wird die Wärme der Rohgase benutzt, um die Spülgase auf gleicher Temperatur zu erhalten und wird somit ein getrenntes Wiedererwärmen derselben erspart. Erfinder ordnet einen besonderen Zuführungskanal im Rohgasraum des Filtergefäßes an; durch reichliche Abmessungen desselben werden die Spülgase länger der Temperatur der Rohgase ausgesetzt. Die Abdeckung des Zuführungskanals erfolgt durch Stahlbänder, welche gleichzeitig als Zugband dienen zur Vor- und Rückwärtsbewegung der Abreinigungsvorrichtung. Abb. i der Zeichnung zeigt ein Ausführungsbeispiel im Vertikalschnitt, a ist das Filtergefäß, b der Rohgasraum, c der Reingasraum, d sind Filterflächen, e ist der Exhaustor, welcher Gas aus dem Reingasraum ansaugt und unmittelbar in den Zuführungskanal f eindrückt, aus dem es in die Abreinigungsvorrichtung gelangt.Device for supplying pressure medium for cleaning filter surfaces. It is known to clean filter surfaces by forcing a pressurized gas through them in countercurrent; the gases (called purge gases) removed for this purpose after the filtration must be rewarmed due to the condensation of the water vapors contained in the gases in order to avoid contamination or clogging of the filters. In order to enable dry filtration of water-saturated gases, these must be kept at a temperature above the dew point of the gases. According to the present invention, the heat of the raw gases is used to keep the purge gases at the same temperature and thus a separate reheating of the same is saved. Inventor arranges a special feed channel in the raw gas space of the filter vessel; due to its large dimensions, the purge gases are exposed to the temperature of the raw gases for a longer period of time. The feed channel is covered by steel belts, which also serve as a tension belt for moving the cleaning device back and forth. Fig. I of the drawing shows an exemplary embodiment in vertical section, a is the filter vessel, b the raw gas space, c the clean gas space, d are filter surfaces, e is the exhaustor, which sucks in gas from the clean gas space and presses it directly into the supply channel f, from which it gets into the cleaning device.

Abb. z zeigt einen Horizontalschnitt, s sind die Stahlbänder, welche auf den Rollen i auf-bzw. abgewickelt werden und so die Vor-und Rückwärtsbewegung der Abreinigungsvorrichtung bewirken. Abb. 3 zeigt ein Ausführungsbeispiel mit beiderseits angeordneten Filterflächen. Abb. q. zeigt ein Ausführungsbeispiel mit Filterflächen an einer Seite des Reingasraumes.Fig. Z shows a horizontal section, s are the steel strips, which on the rollers i on or. to be unwound and so the back and forth movement the cleaning device cause. Fig. 3 shows an embodiment with both sides arranged filter surfaces. Fig.q. shows an embodiment with filter surfaces on one side of the clean gas room.

Claims (1)

PATENTANSPRÜCHE: i. Vorrichtung zur Druckmittelzufuhr bei der Abreinigung von Filterflächen, gekennzeichnet durch einen im Rohgasraum angeordneten Kanal, durch den die als Spülgase verwendeten Reingase der Abreinigungsvorrichtung zugeführt werden und dadurch auf einer über dem Taupunkt der Gase liegenden Temperatur verbleiben. z. Einrichtung nach Anspruch i, dadurch gekennzeichnet, daß die Abdeckung des Kanals gleichzeitig als Zugband zur Vor- und Rückwärtsbewegung der Abreinigungsvorrichtung dient.PATENT CLAIMS: i. Device for supplying pressure medium during cleaning of filter surfaces, characterized by a channel arranged in the raw gas space, through which the clean gases used as flushing gases are fed to the cleaning device and thus remain at a temperature above the dew point of the gases. z. Device according to claim i, characterized in that the cover of the channel at the same time as a drawstring for moving the cleaning device forwards and backwards serves.
DEW56448D 1920-10-15 1920-10-15 Device for supplying pressure medium when cleaning filter surfaces Expired DE366968C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEW56448D DE366968C (en) 1920-10-15 1920-10-15 Device for supplying pressure medium when cleaning filter surfaces

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEW56448D DE366968C (en) 1920-10-15 1920-10-15 Device for supplying pressure medium when cleaning filter surfaces
DED41280D DE366967C (en) 1922-02-24 1922-02-24 Device and method for separating dust or the like from different gases, vapors, etc. by means of a filter

Publications (1)

Publication Number Publication Date
DE366968C true DE366968C (en) 1923-01-15

Family

ID=25971611

Family Applications (1)

Application Number Title Priority Date Filing Date
DEW56448D Expired DE366968C (en) 1920-10-15 1920-10-15 Device for supplying pressure medium when cleaning filter surfaces

Country Status (1)

Country Link
DE (1) DE366968C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429035A1 (en) * 1978-06-23 1980-01-18 Fives Cail Babcock Dust filter, for gases, with reverse blowing cleaning - has filter element with separate sections and blowing box sealing on face of each section in turn

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429035A1 (en) * 1978-06-23 1980-01-18 Fives Cail Babcock Dust filter, for gases, with reverse blowing cleaning - has filter element with separate sections and blowing box sealing on face of each section in turn

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