EP0111355B1 - Hotte d'aspiration pour une installation d'immersion - Google Patents

Hotte d'aspiration pour une installation d'immersion Download PDF

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Publication number
EP0111355B1
EP0111355B1 EP83201653A EP83201653A EP0111355B1 EP 0111355 B1 EP0111355 B1 EP 0111355B1 EP 83201653 A EP83201653 A EP 83201653A EP 83201653 A EP83201653 A EP 83201653A EP 0111355 B1 EP0111355 B1 EP 0111355B1
Authority
EP
European Patent Office
Prior art keywords
hood
exhaust hood
bath
exhaust
plant
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
EP83201653A
Other languages
German (de)
English (en)
Other versions
EP0111355A1 (fr
Inventor
Johannes Hendrikus Van Der Veer
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.)
CIC BV
Original Assignee
CIC BV
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 CIC BV filed Critical CIC BV
Priority to AT83201653T priority Critical patent/ATE19012T1/de
Publication of EP0111355A1 publication Critical patent/EP0111355A1/fr
Application granted granted Critical
Publication of EP0111355B1 publication Critical patent/EP0111355B1/fr
Expired 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

Definitions

  • the invention relates to an exhaust hood as defined in the preamble of claim 1.
  • Such a hood is known from FR-A-2 311 600 and FR-A-2 490 112.
  • the known exhaust hood removes much air from the zinc-plating plant in order to drain gases set free during the zinc-plating process as much as possible. Therefore the acapacity of the air removing means connected with the hood has to be correspondingly high. This is particularly inconvenient when the air to be removed has to be filtered.
  • the invention provides an exhaust hood improved in this respect, which is characterized as defined in claim 1.
  • a further development of the exhaust hood embodying the invention is described in claims 2 to 4.
  • a zinc-plating hall 1 as shown in the Figs. 1 and 2 comprises a zinc-plating line comprising in a conventional manner a degreasing bath, a plurality of pickling baths, a flux bath, a drying station 2, a zinc-plating station 3 and a delivery station 4, which is a cooling station.
  • Fig. 1 only shows the latter three stations.
  • the drying station 2 are provided the required drying means, for example, ventilators 5, which dry the objects 7 preferably by hot air.
  • the zinc-plating bath 6 is provided with heating elements 22. This bath is surrounded by a stationary lower hood element 8.
  • Below the roof 9 of the hall 1 a stationary top hood element 10 is provided at the zinc-plating station 3. Between the lower and top hood elements 8 and 10 can be arranged a displaceable hood element 11 in which lifting means 12 of a lifting tool 13 are arranged.
  • the lifting tool 13 comprises a carriage 14 travelling on rails 15. To this carriage 14 is fastened the hood element 11, for example, by welding.
  • the travelling crabs 30 of the lifting means 12 are movable along rails 38 of the carriage 14 arranged in the interior of the hood element 11.
  • Thae travelling crabs 30 are provided with winches 16, lifting cables 17, pulleys 18, hooks 19 and a lifting frame 20 to which the objects are fastened.
  • the delivery station 4 is provided with a cooling bath 21.
  • the lower hood element 8 has an inner jacket 23 and an outer jacket 24, between which a gallery is left, which is accessible through doors 29 to persons to scrape slags with the aid of a scraper 39 from the surface 26 of the zinc-plating bath 6 immediately before the zinc-plated objects 7 are lifted out of the zinc-plating bath.
  • the lower hood element 8 has, apart from transparent sash windows 25 further transparent windows 31 in the outer jacket so that from the cabin 34 suspended by means of rods 33 to the carriage the crane driver can observe the manipulations of the objects 7.
  • the crane driver can look below the hood element 11.
  • the exhaust hood embodying the invention operates as follows:
  • the sash windows 25 are lifted for scraping slags. Then the zinc-plated objects 7 are lifted from the zinc-plating bath 6. the inflatable sealing strip, if any, is in the meantime exhausted. The objects 7 together with the hood element 11 are brought to the delivery station 4, where they are moved out of the hood element 11 and unhooked from the lifting frame 20. Finally the lifting tool is driven back to the drying station 2 for treating further objects 7.
  • the exhaust hood is an integral unit. Inside the hood 40 are arranged the lifting means 42. The exhaust hood 40 communicates through a hose 41 with an outlet channel 43 so that the exhaust hood 40 can move between the drying station 2 and the delivery station 4, for example, since it is arranged on a carriage 44. The objects 7 are then located at the drying station 2 in a cellar 45.

Landscapes

  • Coating With Molten Metal (AREA)
  • Incineration Of Waste (AREA)
  • Ventilation (AREA)
  • Viewfinders (AREA)

Claims (5)

1. Hotte d'aspiration (32, 40) pour une installation d'immersion, en particulier une installation de galvanisation (1), ladite installation comprenant au moins un bain (6) avec un liquide pour immerger des articles (7) qui doivent y être traités, ladite hotte d'aspiration (32, 40) comprenant au moins un élément de hotte mobile (11, 40) porté par un chariot (14) d'un équipement de levage (13), ledit élément de hotte étant déplaçable au moyen dudit chariot (14) vers une position au-dessus dudit bain (6) et en provenance de cette position, ledit élément de hotte (11, 40) entourant au moins une unité motrice (12) d'un appareil de levage (17, 18, 19), caractérisée en ce que la totalité du bord de l'élément de hotte mobile (11, 40), dans sa position au-dessus dudit bain (6), est contigüe à une partie fixe de l'installation d'immersion, et en regard de la totalité de la périphérie de cette partie fixe, ladite partie fixe entourant ledit bain (6).
2. Hotte d'aspiration (32) selon la revendication 1, caractérisée en ce que la hotte d'aspiration (32) comprend un élément de hotte inférieur fixe (8), un élément de hotte supérieur fixe (10) et un élément de hotte mobile (11), pouvant être placés en relation de contiguïté entre les premières, dans sa position au-dessus dudit bain (6).
3. Hotte d'aspiration selon la revendication 1, caractérisée en ce qu'un tuyau flexible (41) relie la partie supérieure da ladite partie de hotte mobile (40) à un élément d'évacution fixe (43).
4. Hotte d'aspiration (32) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins un bord (36), 37) d'un élément de hotte esty pourvu d'une bande d'etan- chéité (35) pour assurer l'étanchéité des parties contiguës de l'élément de hotte mobile et des parties fixes de la hotte d'aspiration de l'installation d'immersion.
5. Hotte d'aspiration (32) selon la revendication 4, caractérisée en ce que la bande d'étanchéité (35) est un tuyau flexible gonflable.
EP83201653A 1982-11-24 1983-11-21 Hotte d'aspiration pour une installation d'immersion Expired EP0111355B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83201653T ATE19012T1 (de) 1982-11-24 1983-11-21 Abzugshaube fuer eine tauchanlage.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8204575 1982-11-24
NL8204575A NL8204575A (nl) 1982-11-24 1982-11-24 Afvoerkap voor een verzinkinrichting en werkwijze voor het verzinken van voorwerpen.

Publications (2)

Publication Number Publication Date
EP0111355A1 EP0111355A1 (fr) 1984-06-20
EP0111355B1 true EP0111355B1 (fr) 1986-04-09

Family

ID=19840643

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83201653A Expired EP0111355B1 (fr) 1982-11-24 1983-11-21 Hotte d'aspiration pour une installation d'immersion

Country Status (4)

Country Link
EP (1) EP0111355B1 (fr)
AT (1) ATE19012T1 (fr)
DE (2) DE3362954D1 (fr)
NL (1) NL8204575A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104550177A (zh) * 2015-01-04 2015-04-29 沈阳化工大学 一种吹吸结合的热镀锌消烟除尘装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104941977B (zh) * 2015-06-30 2016-12-07 开平市中青环保技术服务有限公司 用于热镀锌生产工艺废气处理的智能集气装置
CN108486515A (zh) * 2018-05-25 2018-09-04 梁晓翠 一种环保型热浸镀锌设备
CN110935706B (zh) * 2019-11-27 2021-05-14 浙江盛达铁塔有限公司 除尘烟罩安装结构

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2311600A1 (fr) * 1975-04-30 1976-12-17 Thevenard Paul Systeme d'aspiration, notamment pour bains de galvanisation de grande surface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104550177A (zh) * 2015-01-04 2015-04-29 沈阳化工大学 一种吹吸结合的热镀锌消烟除尘装置

Also Published As

Publication number Publication date
DE3362954D1 (en) 1986-05-15
ATE19012T1 (de) 1986-04-15
EP0111355A1 (fr) 1984-06-20
DE8333806U1 (de) 1984-03-22
NL8204575A (nl) 1984-06-18

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