GB772604A - Improvements relating to apparatus for introducing foam-stabilising solutions into water streams - Google Patents
Improvements relating to apparatus for introducing foam-stabilising solutions into water streamsInfo
- Publication number
- GB772604A GB772604A GB11357/54A GB1135754A GB772604A GB 772604 A GB772604 A GB 772604A GB 11357/54 A GB11357/54 A GB 11357/54A GB 1135754 A GB1135754 A GB 1135754A GB 772604 A GB772604 A GB 772604A
- Authority
- GB
- United Kingdom
- Prior art keywords
- casing
- port
- throat
- throat member
- slot
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/002—Apparatus for mixing extinguishants with water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/311—Injector mixers in conduits or tubes through which the main component flows for mixing more than two components; Devices specially adapted for generating foam
- B01F25/3111—Devices specially adapted for generating foam, e.g. air foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
- B01F25/31242—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Nozzles (AREA)
Abstract
772,604. Mixing fluids in flow. PYRENE CO., Ltd. April 13,1955 [April 20, 1954], No. 11357/54. Class 86 [Also in Group XXVIII] An injector for introducing a foam stabilizing solution into a water stream comprises a fixed jet member 4 and an axially movable throat member 8 disposed in a casing 1, the position of the member 8 controlling the space between the members 1 and 4 and the opening to a port 46 in the casing wall through which foam stabilizing solution is induced by the flow of water through the jet 4 and throat member 8. The members 4 and 8 have co-operating conical surfaces 7, 10. Axial movement of the member 8 is controlled by a pivoted lever 18 having a slot 20 engaged by a radial arm 14 attached to the member 8. An indicator disc 24 is adjustably mounted on the arm 18 and carries markings . registering with a mark on a bracket 26. In a modification, a radial arm 48, Fig. 4, attached to a sliding throat member 38, extends through a helical slot 30 in the casing 31 and an axial slot 32 in a sleeve 33 which is rotatably mounted on the casing 31. The sleeve 33 carries a housing containing a spring pressed ball 36 adapted to engage one of a series of depressions 40 to facilitate setting the throat member in predetermined positions. The throat member 38 is composite and comprises, adjacent the port 43, a ring 44 having an oblique end face 47 which can be adjusted so that it just closes the port 43.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB11357/54A GB772604A (en) | 1954-04-20 | 1954-04-20 | Improvements relating to apparatus for introducing foam-stabilising solutions into water streams |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB11357/54A GB772604A (en) | 1954-04-20 | 1954-04-20 | Improvements relating to apparatus for introducing foam-stabilising solutions into water streams |
Publications (1)
Publication Number | Publication Date |
---|---|
GB772604A true GB772604A (en) | 1957-04-17 |
Family
ID=9984772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB11357/54A Expired GB772604A (en) | 1954-04-20 | 1954-04-20 | Improvements relating to apparatus for introducing foam-stabilising solutions into water streams |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB772604A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3647002A (en) * | 1970-05-11 | 1972-03-07 | Fire Control Eng Co | Apparatus for admixing fluids in predetermined proportions |
DE2909989A1 (en) * | 1978-03-14 | 1979-09-27 | Battelle Memorial Institute | EMULSION GENERATORS |
WO2013180627A1 (en) * | 2012-05-28 | 2013-12-05 | Dafo Fomtec Ab | Device for an injector |
-
1954
- 1954-04-20 GB GB11357/54A patent/GB772604A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3647002A (en) * | 1970-05-11 | 1972-03-07 | Fire Control Eng Co | Apparatus for admixing fluids in predetermined proportions |
DE2909989A1 (en) * | 1978-03-14 | 1979-09-27 | Battelle Memorial Institute | EMULSION GENERATORS |
WO2013180627A1 (en) * | 2012-05-28 | 2013-12-05 | Dafo Fomtec Ab | Device for an injector |
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