EP0255698A1 - Capot d'aspiration pour éliminer des matières suspendues dans l'air d'une salle de traitement pour éléments préfabriqués - Google Patents

Capot d'aspiration pour éliminer des matières suspendues dans l'air d'une salle de traitement pour éléments préfabriqués Download PDF

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Publication number
EP0255698A1
EP0255698A1 EP87111037A EP87111037A EP0255698A1 EP 0255698 A1 EP0255698 A1 EP 0255698A1 EP 87111037 A EP87111037 A EP 87111037A EP 87111037 A EP87111037 A EP 87111037A EP 0255698 A1 EP0255698 A1 EP 0255698A1
Authority
EP
European Patent Office
Prior art keywords
hood
longitudinal slot
suction
suction hood
wall
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
EP87111037A
Other languages
German (de)
English (en)
Other versions
EP0255698B1 (fr
Inventor
Uwe Hell
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.)
Hell & Co Kunststoffbeschichtung KG GmbH
Original Assignee
Hell & Co Kunststoffbeschichtung KG 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 Hell & Co Kunststoffbeschichtung KG GmbH filed Critical Hell & Co Kunststoffbeschichtung KG GmbH
Priority to AT87111037T priority Critical patent/ATE52430T1/de
Publication of EP0255698A1 publication Critical patent/EP0255698A1/fr
Application granted granted Critical
Publication of EP0255698B1 publication Critical patent/EP0255698B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C15/00—Enclosures for apparatus; Booths
    • 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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C23C2/0036—Crucibles
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/325—Processes or devices for cleaning the bath
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G3/00—Apparatus for cleaning or pickling metallic material

Definitions

  • the invention relates to a suction hood for removing suspended matter from a treatment room for components, in particular from an open-top immersion bath with at least one chamber with a treatment liquid which develops dangerous gases or vapors, the hood at least one lateral passage for those to be immersed in the chamber by means of a lifting device Has components.
  • Such a known hood consists of an essentially elongated, housing-like structure, the relatively small and opposite end walls, the elongated rear wall and the top wall of which are closed. While the top wall has a suction nozzle, the elongated front wall of the hood is designed so that the front of the hood has a loading opening.
  • the suction hood designed in this way is placed on an immersion bath, which has at least one chamber with a treatment liquid for immersion contains components to be treated.
  • the treatment liquid which can be, for example, a chemical for producing a high-gloss surface on the components, for example on sheet metal, secretes toxic gases, for example nitrous gases or chlorinated hydrocarbons, which are sucked off by means of a suction blower over the hood's suction nozzle.
  • toxic gases for example nitrous gases or chlorinated hydrocarbons
  • the object of the invention is to improve a suction hood of the type mentioned in such a way that a complete suction of dangerous and / or undesirable suspended matter from the treatment room for the components is guaranteed, that a suction fan with a comparatively reduced suction power can be used and that the treatment rooms can have a greater overall length than before, without the need for an inefficient suction fan.
  • the solution is based on the introductory suction hood and is characterized in that at least one longitudinal slot is provided in the upper wall of the suction hood for the passage of lifting ropes or the like of the hoist, that the longitudinal slot and the lateral passage lie in a common, vertical plane and that the side passage merges into the longitudinal slot without interruption.
  • two side slots spaced apart from one another and perpendicular to the longitudinal slot and matched to the thickness of the lifting cables of the hoist, preferably extend from each side of the longitudinal slot, the side slots on one side being aligned with the side slots on the other side of the longitudinal slot.
  • the lateral passage is at least essentially closed by means of flexible, self-closing sealing means, wherein the sealing means can consist of two door leaves, preferably made of flexible material, which otherwise at least partially form the corresponding end wall of the hood.
  • the suction hood Due to the design of the suction hood according to the invention, only a small air inlet area remains in the area of the lateral passage and the longitudinal slot for the entry of air into the hood when suctioning out the undesirable toxic gases, vapors or the like below the hood, without the introduction and removal of the components , which can also have larger dimensions than hitherto, in or out of the immersion bath is obstructed in any way.
  • the components hanging on the lifting ropes for example of a crane, can be conveniently moved from the front to the suction hood in a horizontal direction retracted and then subjected to the immersion treatment by lowering and moving in one or more immersion baths and then raised again and moved out of the hood.
  • the resulting gases, vapors or the like are completely and safely discharged by means of a suction blower with a significantly lower suction power than before, since the aforementioned, reduced air inlet surface ensures the vacuum in the interior of the hood, which is necessary for effective suction of the gases, etc., the required negative pressure is understandably also lower than before.
  • the advantages mentioned lead to an increase in the performance of the system consisting of the immersion bath and the suction hood.
  • the proposed design of the suction hood is structurally simple and can therefore be implemented very inexpensively.
  • Another advantage of the solution according to the invention is that, of course, a greater length of the immersion baths than previously is understandably possible, so that very long components, for example sheets or rods, can be treated on the surface.
  • the suction hood generally designated 1 consists of a housing of rectangular shape with the two opposite end walls 2 and 3, the two opposite longitudinal walls 4 and 5 and the top wall 6. Below the suction hood 1 is completely open.
  • the material for making the hood is preferably fiber reinforced plastic, e.g. GRP reinforced with iron reinforcement 7 or stainless steel.
  • the suction hood 1 is placed on an open top bath, generally designated 8, e.g. loosely placed and is supported by support bodies 9.
  • the immersion bath 8 consists of a tub 10 with, for example, three chambers 11, 12 and 13 (FIG. 4) and from the usual treatment liquids contained in the chambers for the surface treatment of components, such as e.g. Sheets that are treated by immersion in the liquids in the chambers.
  • a surface treatment for example, consists in producing a high-gloss surface on the components by chemical means.
  • liquids are used which, when immersed in and withdrawing the components from the liquid producing the high-gloss surface, contain toxic gases, mists and / or vapors, e.g. Generate nitrous gases or chlorinated hydrocarbons, or the like, which float above the chambers and are dangerous for the operator of the immersion belt system and must therefore be extracted.
  • the upper wall 6 of the suction hood 1 has at least one longitudinal slot 14 which runs in the longitudinal center of the upper wall, from which one end wall 2 extends and extends in the direction of the opposite end wall 3 essentially over the length of the upper wall 6.
  • There are also four secondary slots 15, 16, 17 and 18 are provided which extend laterally from the longitudinal slot, two secondary slots being located on each side of the longitudinal slot.
  • the secondary slots preferably run perpendicular to the longitudinal slot and are at a distance from one another, the two secondary slots on one side of the longitudinal slot being aligned with those on the other side of the longitudinal slot.
  • the end wall 2 of the suction hood 1 is constructed as a side passage 19, for example in that there is no rigid wall and instead the hood is provided with flexible, self-closing sealing means 20 at this point.
  • the sealing means can consist, for example, of two pivotable door leaves 21, 22 made of flexible material, for example acrylic glass, the normal position of which forms an at least substantially closed end wall.
  • the door leaves 21, 22 it is also possible for the door leaves 21, 22 to make up only a partial area of the end wall 2 of the suction hood 1, so that the remaining area of the end wall 2 is designed as a rigid end wall. Which width is selected for the door leaf ultimately depends on the width of the components to be treated, which must be passed through the side passage 19.
  • the width of the longitudinal slot 14 as well as the width of the secondary slots 15 to 18 is relatively small and generally only dimensioned so wide that the lifting ropes 23 of a hoist e.g. of a crane, not shown further, can be guided along in the slots, since the components and the holding means 24 of the lifting cables can be guided in and out through the lateral passage 19 into the interior of the suction hood 1.
  • the width of the slots therefore only needs to be matched to the thickness of the lifting ropes or the like.
  • the longitudinal slot 14 can also be continued up to the other end wall 3, as is indicated by dashed lines in FIG. 2.
  • this end wall is also designed as a further lateral passage 26 which, for example, can also be equipped with pivotable door leaves 27, 28 of the type described above as a sealing means.
  • the suction hood 1 is provided with at least one suction channel, which is preferably on the inside the hood is arranged.
  • two longitudinal suction channels 29 and 30 are provided on the inside of the hood top wall 6, parallel to each other and to the longitudinal slot 14 and adjacent to the longitudinal walls 4 and 5, which extend at least approximately to the entire length of the wall 6.
  • the channels are provided with a plurality of suction slits 31 inside the hood, while they are provided outside the hood with connecting pieces 32 for a suction fan.
  • the procedure can be such that the two inner suction channels 29, 30 are connected to one another by an intermediate channel 36 at the end, one of the two connecting pieces 32 then also being omitted.
  • At least one longitudinal wall 4 is preferably provided with a plurality of viewing windows 33, each window further being provided with an illumination device 34 for illuminating at least the treated components.
  • a sheet metal plate that is to receive a high-gloss surface chemically is operated as follows. It is assumed that the sheet metal plate is held by the holding tools 24 of the lifting ropes 23, the two lifting ropes 23 being spread apart by a cross member 35.
  • the sheet metal plate (not shown) held in this way becomes horizontal and by automatically pushing open the door leaves 20, 21 through the lateral passage 19 inserted into the interior of the suction hood 1, the lifting cables 23 entering the slot 14.
  • the sheet metal plate is then immersed one after the other in the different liquids of the individual chambers 11, 12 and 13 of the tub 10, the lifting cables 23 also reaching the secondary slots 15 to 18 according to the position of the chambers.
  • the lifting ropes are positioned in the longitudinal slot 14 and the treated sheet metal plate is led horizontally outwards either through the first-mentioned lateral passage 19 or through the other lateral passage 26, the corresponding door leaves being pushed open to the outside and then closing again.
  • the suction hood 1 described above is preferably used in the production of high-gloss surfaces by chemical means.
  • the use of the hood is not limited to this; it can also be used in conjunction with other treatment rooms for surface treatment of components, e.g. in immersion baths for pickling, stripping, galvanizing, galvanizing etc. These baths generate gases, mists or vapors which are dangerous for the operator.
  • the suction hood can also be used wherever, for example, dusts or the like arise during the surface treatment of components, e.g. in blasting and spraying chambers, where the resulting dusts or suspended matter are also extracted to achieve a pleasant workflow.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Prevention Of Fouling (AREA)
  • Physical Water Treatments (AREA)
  • Water Treatment By Sorption (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Separation Of Particles Using Liquids (AREA)
EP87111037A 1986-08-07 1987-07-30 Capot d'aspiration pour éliminer des matières suspendues dans l'air d'une salle de traitement pour éléments préfabriqués Expired - Lifetime EP0255698B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87111037T ATE52430T1 (de) 1986-08-07 1987-07-30 Absaughaube zum entfernen von schwebstoffen aus einem behandlungsraum fuer bauteile.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3626781 1986-08-07
DE19863626781 DE3626781A1 (de) 1986-08-07 1986-08-07 Absaughaube zum entfernen von schwebstoffen aus einem behandlungsraum fuer bauteile

Publications (2)

Publication Number Publication Date
EP0255698A1 true EP0255698A1 (fr) 1988-02-10
EP0255698B1 EP0255698B1 (fr) 1990-05-09

Family

ID=6306896

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87111037A Expired - Lifetime EP0255698B1 (fr) 1986-08-07 1987-07-30 Capot d'aspiration pour éliminer des matières suspendues dans l'air d'une salle de traitement pour éléments préfabriqués

Country Status (4)

Country Link
EP (1) EP0255698B1 (fr)
AT (1) ATE52430T1 (fr)
DE (2) DE3626781A1 (fr)
ES (1) ES2015928B3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0486712A1 (fr) * 1990-11-19 1992-05-27 Ernst Eichholzer Installation pour le traitement superficiel d'articles
EP0488259A1 (fr) * 1990-11-28 1992-06-03 Fujitsu Limited Circuit logique séquentiel comprenant des circuits de maintien d'état
WO1998011268A1 (fr) * 1996-09-09 1998-03-19 Brunner Verzinkerei Brüder Bablik Gesellschaft Mbh Systeme de capture de gaz de fumee
CN101797570A (zh) * 2010-03-11 2010-08-11 上海永丰热镀锌有限公司 一种热镀锌用幕帘式烟尘处理净化系统及其方法
CN103643246A (zh) * 2013-12-11 2014-03-19 广东迪生电力钢构器材有限公司 一种热浸镀锌生产线预处理酸雾密封收集处理系统
CN107671099A (zh) * 2017-10-24 2018-02-09 浙江绿维环境股份有限公司 一种升降酸雾收集装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104033610B (zh) * 2014-06-03 2016-04-20 江苏晨力环保科技有限公司 无动力的随动性密封装置
US20210316343A1 (en) * 2020-04-09 2021-10-14 Imperial Systems, Inc. Fume Hood Having Structurally Integrated Components

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE918193C (de) * 1950-02-09 1954-09-20 Heinrich Ausserehl Farbspritzstand
US3424129A (en) * 1967-04-20 1969-01-28 Devilbiss Co Spray booth
FR2459082A1 (fr) * 1979-06-21 1981-01-09 Hebert Jean Claude Enceintes autonettoyantes pour poudrage

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE918193C (de) * 1950-02-09 1954-09-20 Heinrich Ausserehl Farbspritzstand
US3424129A (en) * 1967-04-20 1969-01-28 Devilbiss Co Spray booth
FR2459082A1 (fr) * 1979-06-21 1981-01-09 Hebert Jean Claude Enceintes autonettoyantes pour poudrage

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0486712A1 (fr) * 1990-11-19 1992-05-27 Ernst Eichholzer Installation pour le traitement superficiel d'articles
EP0488259A1 (fr) * 1990-11-28 1992-06-03 Fujitsu Limited Circuit logique séquentiel comprenant des circuits de maintien d'état
US5221866A (en) * 1990-11-28 1993-06-22 Fujitsu Limited Sequential logic circuit having state hold circuits
WO1998011268A1 (fr) * 1996-09-09 1998-03-19 Brunner Verzinkerei Brüder Bablik Gesellschaft Mbh Systeme de capture de gaz de fumee
CN101797570A (zh) * 2010-03-11 2010-08-11 上海永丰热镀锌有限公司 一种热镀锌用幕帘式烟尘处理净化系统及其方法
CN101797570B (zh) * 2010-03-11 2014-12-03 上海永丰热镀锌有限公司 一种热镀锌用幕帘式烟尘处理净化系统及其方法
CN103643246A (zh) * 2013-12-11 2014-03-19 广东迪生电力钢构器材有限公司 一种热浸镀锌生产线预处理酸雾密封收集处理系统
CN103643246B (zh) * 2013-12-11 2016-02-10 广东迪生电力钢构器材有限公司 一种热浸镀锌生产线预处理酸雾密封收集处理系统
CN107671099A (zh) * 2017-10-24 2018-02-09 浙江绿维环境股份有限公司 一种升降酸雾收集装置
CN107671099B (zh) * 2017-10-24 2024-02-13 浙江绿维环境股份有限公司 一种升降酸雾收集装置

Also Published As

Publication number Publication date
EP0255698B1 (fr) 1990-05-09
ES2015928B3 (es) 1990-09-16
ATE52430T1 (de) 1990-05-15
DE3762575D1 (de) 1990-06-13
DE3626781A1 (de) 1988-02-11

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