US2974749A - Devices for holding filters intended to stop particles in suspension in gaseous streams - Google Patents

Devices for holding filters intended to stop particles in suspension in gaseous streams Download PDF

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Publication number
US2974749A
US2974749A US719305A US71930558A US2974749A US 2974749 A US2974749 A US 2974749A US 719305 A US719305 A US 719305A US 71930558 A US71930558 A US 71930558A US 2974749 A US2974749 A US 2974749A
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US
United States
Prior art keywords
sockets
filter
suspension
sleeve
devices
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
US719305A
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English (en)
Inventor
Donguy Rene Pierre Francois
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
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Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
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Publication of US2974749A publication Critical patent/US2974749A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/24—Preventing accumulation of dirt or other matter in the pipes, e.g. by traps, by strainers
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
    • G21C19/28—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core
    • G21C19/30—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core with continuous purification of circulating fluent material, e.g. by extraction of fission products deterioration or corrosion products, impurities, e.g. by cold traps
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/02—Treating gases
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Definitions

  • the present invention relates to devices vfor holding filters intended to stop particles in suspension in gaseou's streams, and in particular in gaseous streams under pressure.
  • the invention is more especially concerned with such devices for holding ilters intended to stop radioactive particles.
  • the chief object of the present invention Vis to provide k a device of this kind which is better Iadapted to meet the requirements of practice, and in particular which permits of easily replacing a used filter by a new one.
  • this device includes twotubular sockets adapted to be xed in vgastight fashion on the respective ends lof two portions of the circuit through which said gaseous stream is ilowing, each of said sockets being provided witha central passage forming ⁇ an extension ⁇ of the vcircuit portion on which said socket is xed, said central passage forming an orifice in the face of said lastmentioned socket located 'l Opposite-the other ⁇ of said f'sockets, the 'respective outer side walls of Lsaid two sockets ,being 'located in a common cylindrical surface, said two sockets being rigidly assembled together in line'with each other through means provided with "at least one aperture suflicient to permit passage of a iilte'r therethrough, means operable from a distance being provided on 'at leastone of saidsockets for removably lixing a filter on said orifice ofV one of said sockets so as tightly
  • Fig. 1 is an axial vertical section of a filter holding device according to the invention, saidV device being;
  • Fig, 2 is an elevational View of the same device'withl the coveringsleeve lowered Vin order to permit replace- 2,974,749 Patented Mar. 14, 1961 Vice 2 to the filter and involves the risk of having him exposed to radiations or to cause him to absorb radioactive aerosols. Furthermore, such an operationV is often delicate since vthe mechanism for opening the lter-holder must be provided so as to ensure a very good lluidtightness, not only to the dust conveyed by the gas but also to the high pressure thereof.
  • the filter-holder includes two sockets 4 and S in the form of cylinders of revolution xed, for instance by welding, on the ends of the portions 2 and 3 of the gas circulation circuit.
  • rIhese two sockets 4 and 5 are rigidly assembled together by means of elements 6 provided with apertures and constituted for instance by portions of a jacket in the form of a cylinder of revolution secured on said sockets d and 5 by means of screws 7 and provided with Wide apertures 8.
  • Filter 1 is mounted on a ring 9 one end of which is screw-threaded so that it can be screwed on a cylindrical projection lil of socket 5 (which is provided with corresponding screw-threads).
  • the other end of ⁇ ring 9 is adapted to support the periphery of the lter i1 yand to apply it, in a dust-tight fashion, against a at annular joint 11 mounted in fa suitable housing of socket d.
  • 'Ring 9 is advantageously provided withradi'al holes 12 diametrally opposed.
  • sockets 4 and 5 are provided with annular grooves in which are mounted toroidal-shaped packing members 13 intended to be applied against the inner Wall of a sleeve 14 in the form of a cylinderiof revolution the inner diameter of lwhich is substantially equal to the outer diameter of sockets 4 and 5, said sleeve 1-4 vbeing capable of supporting the pressure of the gas tofbe treated.
  • the outer wall of sleeve 14 is Vprovided'with an annular projection 15 provided with -a hole 16 parallel to the axis of said sleeve.
  • vvSleeve 14 is further provided with a longitudinal notch :17 capable of guiding a pin 18 rigid with socket 4. It lfurther includes an abutment 19 to limitits upward movement with rmpect to socket 5.
  • Sleeve 14 and socket 4 are provided with respective apertures 2t) and 21 adapted to come opposite one another when the sleeve is in position around the two sockets.
  • a key 22 can then be introduced into these holes so as to lock the sleeve in position on the sockets.
  • a rod 24, of relatively great length, is inserted vthrough one of these apertures 3 into two corresponding radial apertures 12 of ring 9, and this rod is rotated about the axis of the ring so as to screw said ringon projection.V 10, which, releases the vi'ilter. y
  • notch 17 engages lug 18 so that holes 20 and 21 are in register and permit the introduction of the locking key 22.
  • the device according to this invention gives a very good gas-tightness.
  • the pressure of the gas circulating through the device cannot displace sleeve 14 because this pressure exerts a radial effort which is perfectly balanced.
  • the removal of the filter is very easy since the periphery of said filter is not applied in a very strong manner against joint 11, this application being intended to ensure gas-tightness only for the very small difference between the pressures existing on the Irespective sides of the filter.
  • the lter may be made of any suitable material such as paper, glass wool or silica wool, sintered material, etc.
  • a particularly interesting application ofthe invention consists in introducing a filter mounted in such a support in a conduit for collecting the coolant gas from a nuclear reactor, upstream of a counting device, in order to stop the radioactive aerosols which might deteriorate some parts of said counting device.
  • a device for holding la filter intended to stop particles in suspension in a gaseous stream which device comprises, in combination, two tubular sockets adapted to be fixed in gas-tight fashion on the respective ends of two portions of the circuit through which said gaseous stream is owing, each of said sockets being provided with a central passagemforming an extension of the circuit portion on which said socket is iixed, said central passage forming an orifice in the face of said last mentioned socket located opposite the other of said sockets, the respective outer side walls of said two sockets being located in a common cylindrical surface, means for rigidly assembling said two sockets together in line with each other, said means being provided with at least one aperture sufiicient to permit passage of a filter therethrough in a direction transverse to the common axis of said socketsmeans operable from a distance on at least one of saidsockets for removably fixing a filter on said orifice of one of said sockets so as tightly to apply the periphery of said -filter against the edge of
  • a device in which the outer side walls of .said sockets are provided with grooves, further including toroidal-shaped joints inserted in said grooves and intended to be -applied against the inner wall of said sleeve.
  • a device in which the means for removably fixing the filter include a ring screwed at one end on one of said sockets and ⁇ adapted at the other end to support the filter and to apply it against the other socket.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Treating Waste Gases (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
US719305A 1957-03-06 1958-03-05 Devices for holding filters intended to stop particles in suspension in gaseous streams Expired - Lifetime US2974749A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1122786X 1957-03-06

Publications (1)

Publication Number Publication Date
US2974749A true US2974749A (en) 1961-03-14

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ID=9632833

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Application Number Title Priority Date Filing Date
US719305A Expired - Lifetime US2974749A (en) 1957-03-06 1958-03-05 Devices for holding filters intended to stop particles in suspension in gaseous streams

Country Status (7)

Country Link
US (1) US2974749A (ja)
BE (1) BE565285A (ja)
CH (1) CH345874A (ja)
DE (1) DE1122786B (ja)
FR (1) FR1169127A (ja)
GB (1) GB850308A (ja)
NL (1) NL106543C (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3325980A (en) * 1962-11-20 1967-06-20 Alsacienne Atom Device for providing relative leaktightness between two parts which are movable withrespect to each other
US3362141A (en) * 1966-05-13 1968-01-09 Atomic Energy Commission Usa Surface contamination sampler
US4178794A (en) * 1978-02-28 1979-12-18 Union Carbide Corporation Environmental sampling device
US4459140A (en) * 1982-11-08 1984-07-10 The United States Of America As Represented By The United States Department Of Energy Filter apparatus
US4822386A (en) * 1987-11-27 1989-04-18 United Technologies Corporation Filter replacement mechanism
US4841628A (en) * 1987-12-21 1989-06-27 United Technologies Corporation Filter replacement mechanism

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3369665A (en) * 1967-04-27 1968-02-20 Universal Oil Prod Co Tubular filter with sliding casing

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB189809953A (en) * 1898-04-30 1898-06-04 Max Moriz Jaennigen Improvements in Filtering or Straining Apparatus for use in Pipes, Mains, or Conduits conducting Gas, Steam, Air, or other Fluids under Pressure.
US974519A (en) * 1909-05-04 1910-11-01 George T Reynolds Gasolene or oil filter.
US991572A (en) * 1910-03-30 1911-05-09 Simon P Weisenstein Air-filter.
US1237482A (en) * 1916-01-05 1917-08-21 American Gas Accumulator Company Regulating device for gas-conduits.
US1747882A (en) * 1928-02-01 1930-02-18 Prazmo Kazimier Automobile exhaust-gas purifier
US2517518A (en) * 1945-05-29 1950-08-01 Cons Vultee Aircraft Corp Hydraulic apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE214435C (ja) *
US1152831A (en) * 1914-05-05 1915-09-07 Robert Charles Monteagle Pipe-strainer.
AT130253B (de) * 1931-05-23 1932-11-10 Elster & Co Ag Abstellhahn für Gasmesser.
US2455120A (en) * 1944-07-19 1948-11-30 Paul A Dewhirst Pipe-line fitting

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB189809953A (en) * 1898-04-30 1898-06-04 Max Moriz Jaennigen Improvements in Filtering or Straining Apparatus for use in Pipes, Mains, or Conduits conducting Gas, Steam, Air, or other Fluids under Pressure.
US974519A (en) * 1909-05-04 1910-11-01 George T Reynolds Gasolene or oil filter.
US991572A (en) * 1910-03-30 1911-05-09 Simon P Weisenstein Air-filter.
US1237482A (en) * 1916-01-05 1917-08-21 American Gas Accumulator Company Regulating device for gas-conduits.
US1747882A (en) * 1928-02-01 1930-02-18 Prazmo Kazimier Automobile exhaust-gas purifier
US2517518A (en) * 1945-05-29 1950-08-01 Cons Vultee Aircraft Corp Hydraulic apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3325980A (en) * 1962-11-20 1967-06-20 Alsacienne Atom Device for providing relative leaktightness between two parts which are movable withrespect to each other
US3362141A (en) * 1966-05-13 1968-01-09 Atomic Energy Commission Usa Surface contamination sampler
US4178794A (en) * 1978-02-28 1979-12-18 Union Carbide Corporation Environmental sampling device
US4459140A (en) * 1982-11-08 1984-07-10 The United States Of America As Represented By The United States Department Of Energy Filter apparatus
US4822386A (en) * 1987-11-27 1989-04-18 United Technologies Corporation Filter replacement mechanism
US4841628A (en) * 1987-12-21 1989-06-27 United Technologies Corporation Filter replacement mechanism

Also Published As

Publication number Publication date
GB850308A (en) 1960-10-05
NL106543C (ja)
DE1122786B (de) 1962-01-25
FR1169127A (fr) 1958-12-23
CH345874A (fr) 1960-04-30
BE565285A (ja)

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