US3557740A - Venting arrangement for storage tanks - Google Patents

Venting arrangement for storage tanks Download PDF

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Publication number
US3557740A
US3557740A US3557740DA US3557740A US 3557740 A US3557740 A US 3557740A US 3557740D A US3557740D A US 3557740DA US 3557740 A US3557740 A US 3557740A
Authority
US
United States
Prior art keywords
escape
flammable
vapor
core member
vapors
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 - Lifetime
Application number
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English (en)
Inventor
Will Pratt
Geoffrey Joseph Grocott
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.)
BP PLC
Original Assignee
BP PLC
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 BP PLC filed Critical BP PLC
Application granted granted Critical
Publication of US3557740A publication Critical patent/US3557740A/en
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
    • B63J2/10—Ventilating-shafts; Air-scoops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features
    • B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
    • B65D90/34—Venting means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7908—Weight biased
    • Y10T137/7909—Valve body is the weight

Definitions

  • the tankship illustrated in FIG. 1 comprises cargo tanks whose individual vents 11 are all connected to a common header 12 which connects to a common vent line in the hollow interior of the mast l3 terminating in a minimum velocity escape valve 14 situated at the masthead.
  • the common header 12 may be abolished and separate minimum velocity escape valves fitted in every vent line 11.
  • each minimum velocity escape valve comprising a fixed pointed core member and a slidable member surrounding said core member and having a tapered portion, said tapered portion cooperating with the point of said core member to define a variable aperture for the escape of vapor, whereby dangerous quantities of flammable vapor are upwardly directed with suflicient velocity to prevent the formation of a flammable air/vapor mixture at the level of the vent.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Check Valves (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Lift Valve (AREA)
US3557740D 1967-10-10 1968-10-08 Venting arrangement for storage tanks Expired - Lifetime US3557740A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4617167 1967-10-10

Publications (1)

Publication Number Publication Date
US3557740A true US3557740A (en) 1971-01-26

Family

ID=10440146

Family Applications (1)

Application Number Title Priority Date Filing Date
US3557740D Expired - Lifetime US3557740A (en) 1967-10-10 1968-10-08 Venting arrangement for storage tanks

Country Status (5)

Country Link
US (1) US3557740A (no)
JP (1) JPS5019836B1 (no)
DE (1) DE1801769C3 (no)
NO (1) NO125433B (no)
SE (1) SE373802B (no)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3803816A (en) * 1973-07-05 1974-04-16 Mc Donnell Douglas Corp Patterned flow vent structure
US3838557A (en) * 1973-09-04 1974-10-01 Mc Donnell Douglas Corp Vent structure
US3876403A (en) * 1972-10-11 1975-04-08 Mc Donnell Douglas Corp Vent assembly
US3999571A (en) * 1975-07-29 1976-12-28 Pres-Vac A/S Pressure relief valves
US4711193A (en) * 1985-05-30 1987-12-08 Blohm & Voss Ag Self-contained ventilation system units for supplying spaces between bulkheads with individually circulated ventilation air
WO2014175742A1 (en) * 2013-04-23 2014-10-30 Rolls-Royce Marine As Offshore supply vessel

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014009662A1 (de) * 2014-06-24 2015-12-24 MEYER WERFT GmbH & Co. KG Verfahren und Anordnung zur Reduzierung der Gefahren bei der Freisetzung von brennbaren Gasen und leicht entzündlichen Dämpfen.
JP6568988B1 (ja) * 2018-08-28 2019-08-28 三井海洋開発株式会社 ガス放出用増速ノズル、洋上構造物のガス放出システム、洋上構造物、及び、洋上構造物のガス放出方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US779157A (en) * 1900-09-24 1905-01-03 Hugo Gronwald Means for extinguishing fires on ships or the like.
US2833299A (en) * 1953-05-07 1958-05-06 Flight Refueling Inc Valve devices for controlling the flow of fluids
US3279198A (en) * 1964-10-15 1966-10-18 Shell Oil Co Method for reducing gas concentrations in cargo tanks
US3334667A (en) * 1964-05-01 1967-08-08 Almac Cryogenics Inc Liquified gas filler

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2026163A (en) * 1932-02-05 1935-12-31 Mechanical Marine Company Valve
GB982791A (en) * 1961-10-26 1965-02-10 Bp Tanker Company Ltd Improvements relating to inert gas system for tank ships

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US779157A (en) * 1900-09-24 1905-01-03 Hugo Gronwald Means for extinguishing fires on ships or the like.
US2833299A (en) * 1953-05-07 1958-05-06 Flight Refueling Inc Valve devices for controlling the flow of fluids
US3334667A (en) * 1964-05-01 1967-08-08 Almac Cryogenics Inc Liquified gas filler
US3279198A (en) * 1964-10-15 1966-10-18 Shell Oil Co Method for reducing gas concentrations in cargo tanks

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3876403A (en) * 1972-10-11 1975-04-08 Mc Donnell Douglas Corp Vent assembly
US3803816A (en) * 1973-07-05 1974-04-16 Mc Donnell Douglas Corp Patterned flow vent structure
US3838557A (en) * 1973-09-04 1974-10-01 Mc Donnell Douglas Corp Vent structure
US3999571A (en) * 1975-07-29 1976-12-28 Pres-Vac A/S Pressure relief valves
US4711193A (en) * 1985-05-30 1987-12-08 Blohm & Voss Ag Self-contained ventilation system units for supplying spaces between bulkheads with individually circulated ventilation air
WO2014175742A1 (en) * 2013-04-23 2014-10-30 Rolls-Royce Marine As Offshore supply vessel

Also Published As

Publication number Publication date
DE1801769C3 (de) 1981-05-27
JPS5019836B1 (no) 1975-07-10
SE373802B (no) 1975-02-17
NO125433B (no) 1972-09-11
DE1801769B2 (de) 1980-09-18
DE1801769A1 (de) 1969-09-11

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