EP0260624A1 - Installation pour la ventilation des cales d'un navire - Google Patents

Installation pour la ventilation des cales d'un navire Download PDF

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Publication number
EP0260624A1
EP0260624A1 EP19870113358 EP87113358A EP0260624A1 EP 0260624 A1 EP0260624 A1 EP 0260624A1 EP 19870113358 EP19870113358 EP 19870113358 EP 87113358 A EP87113358 A EP 87113358A EP 0260624 A1 EP0260624 A1 EP 0260624A1
Authority
EP
European Patent Office
Prior art keywords
fresh air
hold
supply system
carbon dioxide
air supply
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
EP19870113358
Other languages
German (de)
English (en)
Other versions
EP0260624B1 (fr
EP0260624B2 (fr
Inventor
Sören Ohlsson
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.)
ABB Stal Refrigeration AB
Original Assignee
Stal Refrigeration AB
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20365607&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0260624(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Stal Refrigeration AB filed Critical Stal Refrigeration AB
Publication of EP0260624A1 publication Critical patent/EP0260624A1/fr
Publication of EP0260624B1 publication Critical patent/EP0260624B1/fr
Application granted granted Critical
Publication of EP0260624B2 publication Critical patent/EP0260624B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
    • B63J2/02—Ventilation; Air-conditioning
    • B63J2/08—Ventilation; Air-conditioning of holds

Definitions

  • the invention relates to a fresh air supply system for holds in a ship, particularly for holds accommodating cargo refrigerating plants, according to the precharacterising part of Claim 1.
  • bananas are by far the greatest carbon dioxide producer at the correct transport temperature. A few approximate standard values are given as follows:
  • the instruments used at present for measuring the CO2 concentration in the hold of a ship are self-calibrating precision instruments which enable a regulation of the CO2 concentration around a mean value.
  • Previously existing control devices have suffered from such great inherent uncertainties that many fresh air plants, in the case of fruit transportation, have been allowed to operate at full capacity during the whole voyage, irrespective of whether this was necessary or not, with resultant unnecessarily heavy operating costs.
  • the invention aims at the development of a fresh air supply system of the above-mentioned kind in which the carbon dioxide content in the hold is maintained on a favorable level.
  • the invention suggests a fresh air supply system according to the introductory part of Claim 1, which is characterized by the features of the characterizing part of Claim 1.
  • fans arranged in holds do not always have sufficient capacity to effect the necessary change of air
  • additional fans can be arranged in both the supply conduit and the outlet conduit.
  • the revolution rate of these fans is controlled by the member sensing the carbon dioxide content via, for example, a computer, whereby too high a carbon dioxide content leads to increased rotational speed of these fans.
  • FIG 1 shows the sides 1 of the ship and the insulated decks 2 in the ship.
  • the insulated decks 2 divide the shown part of the ship into two separate refrigerating spaces. These, in turn, are divided by perforated decks 3 and 4 into two spaces so as to form a total of four holds, 5,6,7 and 8.
  • circulation fans 10 producing about 350-500 Pa
  • air coolers 11 can be arranged at a bulkhead 9 defining the holds.
  • the outlet conduit 12 for the holds 5,6 and the outlet conduit 13 for the holds 7,8 are connected onto the respective air-cooler units, between the fans 10 and the air cooler 11.
  • These outlet conduits 12,13 run inside the supply conduits 14,15, that is to say, the conduits with the colder air run inside the conduits with warmer air, which means that the insulation of these conduits can be dispensed with.
  • an additional advantage is gained, namely, that only half as many holes in the deck are needed, although the diameter of these holes will be somewhat greater than normal.
  • At the outlets of the outlet conduits 12 and 13 there are arranged variable-speed controlled fans 16 and 17, respectively, and immediately inside of these there are arranged the motor-controlled valves 18 and 19, respectively, which are capable of closing the outlets completely.
  • a member 24 For controlling the controllable valves and fans, a member 24 is provided for monitoring the carbon dioxide content in the holds. This member 24, in turn, delivers control signals by means of a computer 25 to the above-mentioned valves and fans. The member 24 also communicates with a container 26 containing carbon dioxide of a known content for self-calibration of the sensing member 24.
  • the fans 10 operate both during intake and exhaust of air since - as will be clear from the figures - the outlet conduits 12,13 have been connected onto the air-cooler units between the fans 10 and the air cooler 11.
  • the fans 10 are suitably allowed to run at full speed and control the air flow through the holds by means of the valves 18,19 and 22,23. If the fans 10 should not have sufficient capacity to keep the carbon dioxide content at the desired value, even with the valves fully open, the computer 25 is allowed to deliver a starting signal to the fans 16,17 and 20,21, which are controlled to run at a suitable speed. Otherwise, of course, numerous combinations of control are possible since both controllable valves and fans are available.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Storage Of Harvested Produce (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
EP19870113358 1986-09-16 1987-09-12 Installation pour la ventilation des cales d'un navire Expired - Lifetime EP0260624B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8603893A SE455857B (sv) 1986-09-16 1986-09-16 Friskluftsystem for lastkylanleggningar i fartyg
SE8603893 1986-09-16

Publications (3)

Publication Number Publication Date
EP0260624A1 true EP0260624A1 (fr) 1988-03-23
EP0260624B1 EP0260624B1 (fr) 1992-11-19
EP0260624B2 EP0260624B2 (fr) 1999-03-17

Family

ID=20365607

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870113358 Expired - Lifetime EP0260624B2 (fr) 1986-09-16 1987-09-12 Installation pour la ventilation des cales d'un navire

Country Status (4)

Country Link
EP (1) EP0260624B2 (fr)
DE (1) DE3782703T3 (fr)
ES (1) ES2037044T5 (fr)
SE (1) SE455857B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29621845U1 (de) * 1996-12-03 1997-06-12 Sick Wolfgang Luftzuführ- bzw. abzugseinrichtung
WO2012034898A1 (fr) * 2010-09-16 2012-03-22 Wobben, Aloys Navire équipé d'un dispositif d'aération
JP2014201192A (ja) * 2013-04-04 2014-10-27 株式会社コトラシステム 船倉内貨物の結露防止装置
CN113291452A (zh) * 2021-06-22 2021-08-24 广船国际有限公司 一种甲醇双燃料船居住区空调系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE501150C2 (sv) * 1993-04-23 1994-11-28 Stal Refrigeration Abb Förfarande och anordning för luftfördelning i lastrum

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360380A (en) * 1964-04-20 1967-12-26 Whirlpool Co Method of storing banas
EP0205979A1 (fr) * 1985-06-11 1986-12-30 Mitsubishi Denki Kabushiki Kaisha Système de ventilation d'un tunnel
EP0136042B1 (fr) * 1983-09-01 1992-01-08 Transfresh Corporation Procédé de transport de comestibles et conteneur adapté pour la réalisation de ce procédé

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360380A (en) * 1964-04-20 1967-12-26 Whirlpool Co Method of storing banas
EP0136042B1 (fr) * 1983-09-01 1992-01-08 Transfresh Corporation Procédé de transport de comestibles et conteneur adapté pour la réalisation de ce procédé
EP0205979A1 (fr) * 1985-06-11 1986-12-30 Mitsubishi Denki Kabushiki Kaisha Système de ventilation d'un tunnel

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29621845U1 (de) * 1996-12-03 1997-06-12 Sick Wolfgang Luftzuführ- bzw. abzugseinrichtung
DE19755462C2 (de) * 1996-12-03 2000-07-13 Wolfgang Sick Luftzufuhr- und/oder -abzugseinrichtung
WO2012034898A1 (fr) * 2010-09-16 2012-03-22 Wobben, Aloys Navire équipé d'un dispositif d'aération
US9016223B2 (en) 2010-09-16 2015-04-28 Wobben Properties Gmbh Ship comprising a ventilation device
JP2014201192A (ja) * 2013-04-04 2014-10-27 株式会社コトラシステム 船倉内貨物の結露防止装置
CN113291452A (zh) * 2021-06-22 2021-08-24 广船国际有限公司 一种甲醇双燃料船居住区空调系统

Also Published As

Publication number Publication date
DE3782703T2 (de) 1993-06-09
SE455857B (sv) 1988-08-15
SE8603893L (sv) 1988-03-17
ES2037044T3 (es) 1993-06-16
EP0260624B1 (fr) 1992-11-19
SE8603893D0 (sv) 1986-09-16
EP0260624B2 (fr) 1999-03-17
DE3782703D1 (de) 1992-12-24
DE3782703T3 (de) 1999-11-11
ES2037044T5 (es) 1999-09-16

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