EP0498072A1 - Laveur de gaz de laboratoire - Google Patents

Laveur de gaz de laboratoire Download PDF

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Publication number
EP0498072A1
EP0498072A1 EP91121667A EP91121667A EP0498072A1 EP 0498072 A1 EP0498072 A1 EP 0498072A1 EP 91121667 A EP91121667 A EP 91121667A EP 91121667 A EP91121667 A EP 91121667A EP 0498072 A1 EP0498072 A1 EP 0498072A1
Authority
EP
European Patent Office
Prior art keywords
inner housing
gas scrubber
laboratory
cabinet
laboratory gas
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.)
Granted
Application number
EP91121667A
Other languages
German (de)
English (en)
Other versions
EP0498072B1 (fr
Inventor
Karl Reither
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.)
KT Kunststofftechnik GmbH
Original Assignee
KT Kunststofftechnik GmbH
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 KT Kunststofftechnik GmbH filed Critical KT Kunststofftechnik GmbH
Publication of EP0498072A1 publication Critical patent/EP0498072A1/fr
Application granted granted Critical
Publication of EP0498072B1 publication Critical patent/EP0498072B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
    • B08B15/023—Fume cabinets or cupboards, e.g. for laboratories

Definitions

  • the invention relates to a laboratory gas scrubber for separating soluble harmful gases from the exhaust air from fume cupboards.
  • the exhaust air is driven through the zones of the laboratory gas scrubber by a fan which is arranged at a suitable point and is not the subject of the protection.
  • Such a laboratory gas scrubber is already known from DE-GM 88 16 043 by the same owner.
  • This well-known laboratory gas scrubber is hereby further developed.
  • the invention has for its object to design the structure of the laboratory gas scrubber and the arrangement of its components so that a reduction in dimensions, in particular the height of the laboratory gas scrubber is made possible and you can assign it to a fume cupboard in such a way that it is right next to the fume cupboard.
  • a cabinet which is to be assigned to a fume cupboard and which is to be set up close to this to form a closed subassembly and which comprises in its lower part a washing liquid tank, a submersible pump immersed in it and a control cabinet with the electrical control and regulating devices for operating the laboratory gas scrubber, while its upper part has an inner housing with inlet connections for the exhaust air to be cleaned that exits the laboratory fume cupboard and one Includes outlet connection for the cleaned air and this inner housing contains a packing zone, above a spray zone and above an agglomeration zone.
  • the formation of the aforementioned zones is known in detail.
  • the individual packing elements of the packing zone lie on a grate.
  • the spraying zone comprises one or more downward and / or upward directed nozzles which are provided with the washing liquid desired in each case via a circulation pump.
  • the agglomeration zone is a wide-mesh filter with low pressure loss, in which suspended particles as well as, in particular, finely divided mist of the washing liquid are combined to form larger drops.
  • the inlet connector is arranged laterally in the upper end of the inner housing and is guided through the side wall of the cabinet and is connected within the inner housing via a downwardly extending shaft to the inlet side of the packing zone.
  • the laboratory gas scrubber is then provided with a second inlet connection in the upper end of the inner housing, which is led to the outside through the side wall of the inner housing opposite the first inlet connection and through the side wall of the cabinet adjacent to it.
  • laboratory gas scrubber according to the invention can also be easily assigned to three fume cupboards and supply them, as has been shown in practice.
  • the laboratory gas scrubber is provided with a third inlet connection in the upper end of the inner housing, which is led upwards and outwards through the roof wall of the inner housing and the roof wall of the cabinet adjacent to this.
  • a correspondingly designed pipeline then leads from this inlet connection to the outlet opening at the upper end of the third fume cupboard.
  • a viewing window is preferably provided in the front wall of the inner housing, and an outer viewing window is provided in the front wall of the cabinet to allow viewing of this viewing window.
  • the laboratory gas scrubber shown in FIGS. 1 to 3 comprises a cabinet 1, which contains in its lower part a washing liquid tank 3, a submersible pump 5 immersed in it and a control cabinet 4 with the electrical control devices for operating the laboratory gas scrubber.
  • a cabinet 1 which contains in its lower part a washing liquid tank 3, a submersible pump 5 immersed in it and a control cabinet 4 with the electrical control devices for operating the laboratory gas scrubber.
  • Such a closure cap 14 is shown in FIG. 2 on the inlet connection 10 ′′ not required there.
  • an outlet connection 9 for the cleaned exhaust air in its roof wall which is connected to the chimney for the exhaust air by a corresponding pipe via a fan.
  • This outlet nozzle is also passed through the roof wall of the cabinet 1.
  • the inner housing 2 is also, as indicated in Fig. 2, a vertical partition 12.
  • the aforementioned inlet connection 10, 10 'and 10''at the upper end of the inner housing 2 are on one side of this partition 12, so that the through the exhaust pipe entering, to be cleaned, exhaust air is guided along this partition 12 to the lower end of the inner housing 2 and there, as can be seen from FIG. 2, enters the packing zone 6 on the underside. From there, the exhaust air first reaches the spray zone 7, which is supplied with washing liquid via a cross line 18, and then into the agglomeration zone 8 and from there into the outlet connection 9.
  • a viewing window 11 in the wall of the inner housing, at a height between the filler zone and the spraying zone, and a viewing window 11 ′ in alignment with this viewing window in the cabinet 1 allow the interior of the inner housing to be observed during operation.
  • the washing liquid 13 required for the spray zone is contained in the already mentioned washing liquid tank 3 at the bottom of the cabinet 1.
  • the suction nozzle of a submersible pump 5 arranged above the washing liquid tank is immersed in this liquid.
  • the submersible pump sucks washing liquid through a valve 15 into a riser pipe 17 which supplies the above-mentioned cross pipe 18.
  • the pressure can be checked by a pressure gauge 16 connected to the line.
  • the inlet ports 10, 10 ', 10' ' are sprayed through an additional nozzle 20 in order to prevent concentrated perchloric acid or its salts from being able to accumulate within the suction channels.
  • These nozzles 20, one of which is shown in FIGS. 1 and 2, are supplied by an additional line 19 connected to the riser 17.
  • the washing liquid flowing out of the spraying zone or the nozzles 20 passes back into the washing liquid tank 3 through a return line 21 starting from the bottom of the inner housing 2.
  • the control cabinet 4 can be pulled out of the cabinet for maintenance purposes.
  • Fig. 4 are on both sides of the laboratory gas washer 1, two fume cupboards 29 and 30 with the usual front sliding windows 31 and 32 and corresponding openings in the rear part at the upper end, into which the inlet connections 10 and 10 'of the laboratory gas washer enter.
  • Fig. 5 shows a front view of this assembly.
  • FIG. 6 shows a laboratory gas scrubber cabinet 1 with two laboratory fume cupboards 29 and 30 arranged on both sides and a third laboratory fume cupboard 33.
  • This third fume cupboard is connected by an upper connecting piece 37 and a connecting pipe 38 to the upper inlet piece 10 ′′ of the laboratory gas scrubber.

Landscapes

  • Separation Of Particles Using Liquids (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
EP91121667A 1991-02-08 1991-12-18 Laveur de gaz de laboratoire Expired - Lifetime EP0498072B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9101439U 1991-02-08
DE9101439U DE9101439U1 (de) 1991-02-08 1991-02-08 Laborgaswäscher

Publications (2)

Publication Number Publication Date
EP0498072A1 true EP0498072A1 (fr) 1992-08-12
EP0498072B1 EP0498072B1 (fr) 1995-03-01

Family

ID=6864092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91121667A Expired - Lifetime EP0498072B1 (fr) 1991-02-08 1991-12-18 Laveur de gaz de laboratoire

Country Status (4)

Country Link
US (1) US5209766A (fr)
EP (1) EP0498072B1 (fr)
AT (1) ATE119083T1 (fr)
DE (2) DE9101439U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0689873A2 (fr) 1994-06-03 1996-01-03 Keramchemie GmbH Laveur de gaz de laboratoire
EP0801970A1 (fr) * 1996-04-16 1997-10-22 Kt Kunststofftechnik Gmbh Circuit de liquide de lavage pour des laveurs à gaz d'échappement
DE102009027513A1 (de) * 2009-07-08 2011-01-13 Robert Bosch Gmbh Vorrichtung zum sicheren Testen von Batterien

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4411078A1 (de) * 1994-03-30 1995-10-05 Gutehoffnungshuette Man Filter zum Abscheiden von Schadstoffen aus Rauchgasen
CA2306265C (fr) 1997-10-08 2008-12-02 Gordon S. Trivett Epurateur-laveur de gaz
US6540842B1 (en) * 2000-01-07 2003-04-01 C&M Inc. Method for in-situ cleaning of a gas scrubber
US6450682B1 (en) 2000-01-07 2002-09-17 C&M Inc. Method and apparatus for predicting the end of life of a gas scrubber
US6514288B2 (en) * 2001-02-23 2003-02-04 Zimmer, Inc. Prosthetic stem with strengthening rib
EP1498172B1 (fr) * 2002-04-04 2011-09-28 Kabushiki Kaisha YMS Collecteur a poussieres
DE102008041521A1 (de) * 2008-08-25 2010-03-04 Robert Bosch Gmbh Vorrichtung mit abgeschlossenem Arbeitsraum mit verbesserter Reinigungsmöglichkeit
CN203108368U (zh) * 2012-12-25 2013-08-07 鸿准精密模具（昆山）有限公司 废气处理装置
CN104858198B (zh) * 2015-04-15 2017-12-01 广州泛美实验室系统科技股份有限公司 一种安全节能高氯酸通风柜
CN115318053B (zh) * 2022-08-03 2023-10-24 浙江科恩实验设备有限公司 一种原子抽气罩装置抽气方法和原子抽气罩装置
CN115228262B (zh) * 2022-08-22 2023-12-01 湖南国测生物科技有限公司 实验室密闭空间内核酸污染的立体净化方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2627220A (en) * 1950-11-04 1953-02-03 Sheldon & Co E H Fume hood
DE3531288A1 (de) * 1985-09-02 1986-05-22 Helmut 2408 Timmendorfer Strand Dalk Reinraumtechnische arbeitskabine
DE8816043U1 (de) * 1988-12-24 1989-04-13 KT Kunststofftechnik GmbH, 5210 Troisdorf Laborgaswäscher

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE250260C (fr) *
US1791814A (en) * 1928-05-15 1931-02-10 George A Hillery Cooling apparatus
US2227465A (en) * 1938-06-11 1941-01-07 Binks Mfg Co Means for eliminating divided material in industrial processes
CH494056A (de) * 1968-07-25 1970-07-31 Ciba Geigy Sicherheits-Gaswaschflasche
US3815334A (en) * 1970-04-10 1974-06-11 Steuler Industriewerke Gmbh Gas-liquid contact device
US3807143A (en) * 1972-04-28 1974-04-30 Peabody Engineering Corp Bubble tray for gas washing apparatus
CH563182A5 (fr) * 1973-03-27 1975-06-30 Ciba Geigy Ag
US4251236A (en) * 1977-11-17 1981-02-17 Ciba-Geigy Corporation Process for purifying the off-gases from industrial furnaces, especially from waste incineration plants
JPS55104629A (en) * 1979-02-07 1980-08-11 Mitsubishi Electric Corp Deodorizing device
DD250260A1 (de) * 1986-06-26 1987-10-08 Elektro Physikalische Werke Luftwaescher fuer wasserloesliche schadstoffe im abluftstrom
DE8707001U1 (de) * 1987-05-15 1987-06-25 Kunststofftechnik KG, 5210 Troisdorf Kleingaswäscher
DE3805445A1 (de) * 1988-02-22 1989-08-24 Friedrichsfeld Gmbh Vorrichtung zur gasreinigung mittels fluessigkeit
JPH07102300B2 (ja) * 1989-02-07 1995-11-08 宇部興産株式会社 ガス吸収塔
US5011520A (en) * 1989-12-15 1991-04-30 Vector Technical Group, Inc. Hydrodynamic fume scrubber

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2627220A (en) * 1950-11-04 1953-02-03 Sheldon & Co E H Fume hood
DE3531288A1 (de) * 1985-09-02 1986-05-22 Helmut 2408 Timmendorfer Strand Dalk Reinraumtechnische arbeitskabine
DE8816043U1 (de) * 1988-12-24 1989-04-13 KT Kunststofftechnik GmbH, 5210 Troisdorf Laborgaswäscher

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0689873A2 (fr) 1994-06-03 1996-01-03 Keramchemie GmbH Laveur de gaz de laboratoire
EP0801970A1 (fr) * 1996-04-16 1997-10-22 Kt Kunststofftechnik Gmbh Circuit de liquide de lavage pour des laveurs à gaz d'échappement
DE102009027513A1 (de) * 2009-07-08 2011-01-13 Robert Bosch Gmbh Vorrichtung zum sicheren Testen von Batterien

Also Published As

Publication number Publication date
EP0498072B1 (fr) 1995-03-01
DE59104807D1 (de) 1995-04-06
DE9101439U1 (de) 1991-05-08
ATE119083T1 (de) 1995-03-15
US5209766A (en) 1993-05-11

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