+

WO2002068109A1 - Procede d'injection d'un additif dans un circuit de fluide sous pression - Google Patents

Procede d'injection d'un additif dans un circuit de fluide sous pression Download PDF

Info

Publication number
WO2002068109A1
WO2002068109A1 PCT/NO2002/000080 NO0200080W WO02068109A1 WO 2002068109 A1 WO2002068109 A1 WO 2002068109A1 NO 0200080 W NO0200080 W NO 0200080W WO 02068109 A1 WO02068109 A1 WO 02068109A1
Authority
WO
WIPO (PCT)
Prior art keywords
additive
fluid
fluid system
container
pressurized fluid
Prior art date
Application number
PCT/NO2002/000080
Other languages
English (en)
Inventor
Sölve FJERDINGSTAD
Original Assignee
Fjerdingstad Soelve
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 Fjerdingstad Soelve filed Critical Fjerdingstad Soelve
Publication of WO2002068109A1 publication Critical patent/WO2002068109A1/fr

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/006—Control of flow ratio involving a first fluid acting on the feeding of a second fluid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/56—Mixing liquids with solids by introducing solids in liquids, e.g. dispersing or dissolving
    • 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
    • B01F25/316—Injector mixers in conduits or tubes through which the main component flows with containers for additional components fixed to the conduit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/04—Mixing biocidal, pesticidal or herbicidal ingredients used in agriculture or horticulture, e.g. for spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying

Definitions

  • the invention relates to a method for injecting an additive into a pressurized 5 fluid system.
  • an additive such as a liquid, gas or solid
  • An example is biocides that are added to a liquid which has been pressurized to permit treatment of a growth of undesired micro-organisms in the liquid or biofilm developed at the surface ofo pipe walls or components of the liquid-filled system.
  • Hydraulic and lubricating oil systems at oil production plants such as at steering propellers in floating installations in which microbic growth often occurs owing to a leaking propeller seawater seal;
  • Fig. 1 is a plan view of a possible embodiment of an injector assembly essentially similar to the sampler assembly according to NO 171 430
  • Fig. 2 is a longitudinal section along line ll-ll in fig. 1
  • Fig. 3 is a section like fig. 2, but illustrating a somewhat modified embodiment.
  • reference numeral 1 generally denotes the above injector assembly associated with a circulating pressurized fluid system S into which an additive, such as a biocide, is to be injected.
  • the injector assembly 1 comprises a pressure chamber 2 designed to resist a pressure at least as high as the pressure of the fluid system S.
  • pressure chamber 2 consists of a cylindrical lower body 4 releasably and sealingly connected to an upper body 6, e.g. by means of threads 8 and sealing ring 10.
  • the upper body 6 is provided with an inlet 12 and outlet 14 each connected to a respective coupling member 16a, preferably of the rapid coupling type. Further, the inlet 12 and outlet 14 each communicates with a manually activated flow control valve 18 and 19 respectively.
  • a closable vent 20 is provided at the top of the chamber 2 upper body 6 and a closable drain 21 is provided in the bottom of the chamber lower body 4.
  • the pressure chamber 2 is constructed to house an additive container 22, e.g. in the form of a glass bottle having a removable cap 24, e.g. made from hard plastics.
  • the bottle 22 rests on a support 26 in the chamber lower body 4, and a top portion 28 of the cap 24, including a seal ring 30, is sealingly received in an annular recess in a reduced diameter portion 27 of the chamber upper body 6.
  • the bottle cap 24 is provided with a substantially horizontal entrance 32 one side of which communicates, via a passage 33 through the reduced diameter portion 27 of the pressure chamber upper body 6, with the pressure chamber inlet 12, and the other side of which communicates with a dip tube 34 depending towards the bottom of the bottle 22.
  • a vertical passage 35 through the bottle cap 24 forms an exit from the bottle 22.
  • a spring-biased normally closed bypass valve 40 may be installed in the pressure chamber 2 connected to the inlet 12 in the chamber upper body 6.
  • the above described injector assembly 1 operates essentially in the following manner.
  • the container 22 is at least partly filled with the injection additive and placed in the injector assembly 1.
  • closed inlet and outlet valves 18, 19 and closed vent and drain openings 20, 21 the two coupling members 16a of the injector assembly 1 are connected to mating coupling members 16b provided at a bleed point A and a return point B respectively in the pressure fluid system S.
  • the inlet valve 18 is gradually opened while vent 20 is also opened. Fluid from the system S to be treated then flows via bleed point A and inlet 12 into the pressure chamber 2 filling the latter, including the injector bottle 22, as the air present in the chamber evacuates through vent 20. Once all of the air is evacuated vent 20 is closed.
  • valve 19 When the outlet valve 19 is now opened, fluid from the system S will flow through the injector assembly 1 as indicated by arrows in fig. 2: from the pressure chamber inlet 12 along the passage 33 in chamber upper body 6, into the entrance 32 of the bottle cap 24 and down through the dip tube 34 to the bottom of bottle 22, out of the bottle through exit passage 35 in the bottle cap, and out through chamber outlet 14 back to the pressurized fluid system S through return point B.
  • the fluid When flowing through the partly or wholly additive-filled container 22, the fluid will gradually entrain the additive into the fluid system S and disperse the additive progressively or uniformly into the fluid system as the flow continues.
  • the valves 5 18, 19 are of the type in which the flow rate of the fluid continuously flowing through the injector assembly can be adjusted from zero (closed valve) to a predetermined maximum value, by appropriate setting of either one of these valves, preferably the outlet valve 19.
  • the injector assembly 1 may be connected in series with the flow circuit ofo the fluid system S, i.e. the entire circulation fluid flow passes through the injector; or it may be connected in parallel such that only a partial flow passes through the injector.
  • the bypass valve 40 is important, particularly in the first mentioned series coupling alternative, if the cross section or capacity of the injector bottle 22 is insufficient to cope with the entire fluid flow through the chamber inlet 12, sinces it permits part of the main fluid flow to pass through the injector and back into the system. Thus, in this case a sample is taken of a partial flow depending on the biasing force of the bypass valve spring.
  • the fluid is allowed to circulate for at least 15 to 20 minutes to make certain that the additive in the injector bottle 22 is completely injected and intermixed witho the pressure fluid, whereupon the outlet valve 19 is closed to stop the above described fluid circulation. Then also the inlet valve 18 is closed.
  • the pressure in the injector 1 is then released by opening the vent 20.
  • drain 21 is opened to empty the fluid present in the pressure chamber, leaving the fluid in the injector bottle 22 below its entrance 32.
  • the lower body 4 of the pressure chamber 2 can be unscrewed from the upper body 6 and the injector bottle 22 lifted out of the chamber lower body after having placed a plastics lid 38 or the like over the bottle cap top portion 28 and closed its entrance 32 by means of a plug or the like (not shown) to thereby close the bottle which may then be emptied and possibly filled with additive foro further injection.
  • injector 1 can be uncoupled from the system points A, B if desired.
  • the modified embodiment V shown in fig. 3 might be advantageous.
  • the bypass valve 40 of the embodiment according to fig. 2 is omitted and the dip tube 34 of the latter embodiment is replaced by a pitot tube 34' one leg of which is positioned directly in the fluid flow path between the inlet 12' and outlet 14' of the pressure chamber 2', the other leg thereof extending down into the injector bottle 22' through a vertical entrance in the bottle cap 24'.
  • the design and operation of the injector V is essentially similar to that of the preceding injector according to figs. 1 and 2.
  • the injector in the above example is adapted to be removably connected to the fluid system to be treated, it may advantageously be perma- nently connected thereto, e.g. in case the fluid system is a machinery lubricating oil system. This would allow maintainence inspectors to inject the additive into the lubricating oil system of several machines during routine inspection rounds.
  • the injector bottle 22 need not be shaped and supported exactly as described above and illustrated in the drawing, and similarly the pressure chamber 2 need not be designed in exact conformance with the given examples, since a person skilled in the art may easily recognize larger or smaller design modifications without departing from the inventive idea.
  • the essential thing is that the injector 1 is constructed in such a way that the pressurized fluid to be treated is allowed to flow through the injector container in the pressure chamber for a predetermined time interval and the container then removed from the injector in a simple manner.
  • the additive need not necessarily be a fluid. It may also be a gas or a solid such as powder or in the shape of a "sugar lump" or “piece of soap” gradually dissolving during circulation of the pressure fluid through the injector.
  • the circula- tion time will depend on the nature of the additive. With a fluid additive the circulation time will be at least 15 - 20 minutes, while for a dissolvable solid additive it will normally be longer.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Abstract

Selon cette invention, on injecte un additif, tel qu'un biocide, dans un circuit de fluide sous pression, tel qu'un circuit de lubrification, en introduisant cet additif dans un réservoir (22) pourvu d'une entrée (32) et d'une sortie (35). Ce réservoir (22) est positionné dans une chambre de pression (2) présentant un orifice d'admission (12), qui communique, d'une part, avec un point de purge (A) du circuit de fluide par l'intermédiaire d'une vanne d'admission (18) initialement fermée et, d'autre part, avec l'entrée (32) du réservoir (22), et un orifice de refoulement (14), qui est associé à un point de retour (B) dudit circuit de fluide sous pression (S), par l'intermédiaire d'une vanne de refoulement (19) initialement fermée. A l'ouverture des vannes d'admission et de refoulement (18, 19), le fluide peut s'écouler à travers le réservoir, dans lequel l'additif a initialement été introduit, puis retourner vers le circuit de fluide sous pression (S) par le biais du point de retour (B) en une période de temps prédéterminé.
PCT/NO2002/000080 2001-02-27 2002-02-26 Procede d'injection d'un additif dans un circuit de fluide sous pression WO2002068109A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20011005 2001-02-27
NO20011005A NO313791B1 (no) 2001-02-27 2001-02-27 FremgangsmÕte for injisering av et tilsatsmedium i et trykksatt fluidsystem

Publications (1)

Publication Number Publication Date
WO2002068109A1 true WO2002068109A1 (fr) 2002-09-06

Family

ID=19912189

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2002/000080 WO2002068109A1 (fr) 2001-02-27 2002-02-26 Procede d'injection d'un additif dans un circuit de fluide sous pression

Country Status (2)

Country Link
NO (1) NO313791B1 (fr)
WO (1) WO2002068109A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2056975A4 (fr) * 2006-08-22 2013-03-27 Fras Technology As Appareil et procédé pour nettoyer des tuyaux et des systèmes de tuyaux
WO2013079695A1 (fr) 2011-11-30 2013-06-06 Fras Technology As Piston de ramonage

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH362857A (de) * 1957-12-27 1962-06-30 Cillichemie Dosiergerät
US3202164A (en) * 1963-05-03 1965-08-24 Union Tank Car Co Liquid solution feeding device
GB2037612A (en) * 1978-12-16 1980-07-16 Taprogge Reinigungsanlagen Energy-transfer device for bleeding a stream of medium from a high pressure processor
EP0038706A1 (fr) * 1980-04-22 1981-10-28 Glaxo Group Limited Distribution de liquides
US4555347A (en) * 1982-11-15 1985-11-26 Dowd Dennis H O Iodine disinfection dispenser
US4732689A (en) * 1986-03-03 1988-03-22 Eltech Systems Corporation Feeder assembly for adding dissolvable agent to a flowing liquid
WO1992005420A1 (fr) * 1990-09-14 1992-04-02 Fjerdingstad Soelve Procede et ensemble d'echantillonnage utilise dans le prelevement d'un echantillon de fluide representatif dans un systeme de fluide sous pression

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH362857A (de) * 1957-12-27 1962-06-30 Cillichemie Dosiergerät
US3202164A (en) * 1963-05-03 1965-08-24 Union Tank Car Co Liquid solution feeding device
GB2037612A (en) * 1978-12-16 1980-07-16 Taprogge Reinigungsanlagen Energy-transfer device for bleeding a stream of medium from a high pressure processor
EP0038706A1 (fr) * 1980-04-22 1981-10-28 Glaxo Group Limited Distribution de liquides
US4555347A (en) * 1982-11-15 1985-11-26 Dowd Dennis H O Iodine disinfection dispenser
US4732689A (en) * 1986-03-03 1988-03-22 Eltech Systems Corporation Feeder assembly for adding dissolvable agent to a flowing liquid
WO1992005420A1 (fr) * 1990-09-14 1992-04-02 Fjerdingstad Soelve Procede et ensemble d'echantillonnage utilise dans le prelevement d'un echantillon de fluide representatif dans un systeme de fluide sous pression

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2056975A4 (fr) * 2006-08-22 2013-03-27 Fras Technology As Appareil et procédé pour nettoyer des tuyaux et des systèmes de tuyaux
US8713741B2 (en) 2006-08-22 2014-05-06 Fras Technology As Apparatus and method for cleaning pipes and pipe systems
WO2013079695A1 (fr) 2011-11-30 2013-06-06 Fras Technology As Piston de ramonage

Also Published As

Publication number Publication date
NO20011005L (no) 2002-08-28
NO20011005D0 (no) 2001-02-27
NO313791B1 (no) 2002-12-02

Similar Documents

Publication Publication Date Title
US6251167B1 (en) Machine and process for removing dissolved gasses from liquids
KR100494971B1 (ko) 유체 이송 시스템, 및 유체 공급 탱크로부터 유체 유출 라인으로 유체를 이송하는 방법
US4201555A (en) Method and apparatus for degasification of liquid by induced vortexing
CA2091555C (fr) Methode et appareil d'echantillonnage pour le prelevement d'un echantillon representatif dans un circuit sous pression
CA2565394C (fr) Systeme portatif de surveillance de la qualite de l'eau et de traitement de l'eau
US5453207A (en) Biocide treatment system and method
US20160178594A1 (en) Analyzer system and method for sensing a chemical characteristic of a fluid sample
US20070267358A1 (en) Online poultry reprocessing tablet chlorination system and method
CN201503357U (zh) 一种液体或流体的取样装置
CN1326601C (zh) 气体溶解装置
WO2002068109A1 (fr) Procede d'injection d'un additif dans un circuit de fluide sous pression
US4734194A (en) Combined filter and valve mechanism
US4839040A (en) Filter apparatus for removing hydrocarbon contaminants from water, particularly for purifying oil contaminated water
DE202011109230U1 (de) Schnellentlüfter mit Membran für Luftabscheider
CN104640611A (zh) 流体处理装置及流体处理方法
CN104677687A (zh) 一种工业液体的取样装置及取样方法
CN112004590A (zh) 系统及用于清洁水过滤系统的方法
KR20190126768A (ko) 유체 중에 캐비테이션을 생성하기 위한 시스템 및 방법
SU1125511A1 (ru) Стенд дл испытани движени жидкости и газа в проницаемых материалах
CN205099343U (zh) 一种泵液体的装置
RU2276103C2 (ru) Способ обеззараживания жидкости и установка для его реализации
US6435227B1 (en) Tank filling apparatus and method
AU2007100613A4 (en) Injection unit
SU1062310A1 (ru) Устройство дл обработки изделий в жидкост х
RU2046004C1 (ru) Мембранная установка

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SD SE SG SI SK SL TJ TM TN TR TT TZ UA UG US UZ VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: JP

WWW Wipo information: withdrawn in national office

Country of ref document: JP

点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载