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EP0269998A2 - Procédé et appareil de stockage d'explosifs liquides sous forme d'émulsion dans l'eau - Google Patents

Procédé et appareil de stockage d'explosifs liquides sous forme d'émulsion dans l'eau Download PDF

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Publication number
EP0269998A2
EP0269998A2 EP87117454A EP87117454A EP0269998A2 EP 0269998 A2 EP0269998 A2 EP 0269998A2 EP 87117454 A EP87117454 A EP 87117454A EP 87117454 A EP87117454 A EP 87117454A EP 0269998 A2 EP0269998 A2 EP 0269998A2
Authority
EP
European Patent Office
Prior art keywords
emulsion
water
explosive
container
concentration
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.)
Withdrawn
Application number
EP87117454A
Other languages
German (de)
English (en)
Other versions
EP0269998A3 (fr
Inventor
Hans-Jürgen Gebauer
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.)
Josef Meissner GmbH and Co KG
Original Assignee
Josef Meissner GmbH and Co KG
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 Josef Meissner GmbH and Co KG filed Critical Josef Meissner GmbH and Co KG
Publication of EP0269998A2 publication Critical patent/EP0269998A2/fr
Publication of EP0269998A3 publication Critical patent/EP0269998A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
    • 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
    • B01F23/41—Emulsifying
    • 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
    • B01F23/43—Mixing liquids with liquids; Emulsifying using driven stirrers
    • 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
    • B01F2101/34—Mixing fuel and prill, i.e. water or other fluids mixed with solid explosives, to obtain liquid explosive fuel emulsions or slurries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders

Definitions

  • the invention relates to a method and a device for storing liquid explosives in the form of an emulsion in water.
  • the object of the present invention is, on the one hand, the dangers mentioned above, but on the other hand also the unnecessarily large transport of water and associated high effort to avoid divorce at the receiving location.
  • the procedure according to the invention ensures that an explosive-water emulsion is always available for forwarding, which on the one hand contains so much water that risks during further transport are avoided with certainty, but on the other hand contains only so little water that any effort for transportation and the later excretion of excess and thus unnecessary water is avoided.
  • the connection of the emulsion part via the bottom gap with the concentration part results in a system in dynamic condition, in which H ⁇ ⁇ w ⁇ h1 ⁇ ⁇ E is, where H is the height of the water in the concentration part, h1 the height of the emulsion in the emulsion part and ⁇ w and ⁇ E mean the density of the water or the emulsion.
  • the dynamics of the system can be further improved in that one or more openings, for example bores, slots or the like, are provided in the partition wall at a height h 2 below the liquid level.
  • the height h 1 of the emulsion is then defined as follows from the static part and the dynamic part of the flow loss through the opening at the height h 2: where ⁇ represents the concentration factor at the opening (s).
  • a flow rate of receive is
  • the flow rate increases with increasing specific weight of the emulsion. This means that, with less explosive in the water emulsion, less water flows through the opening or openings in the emulsion part and thus less emulsion gets into the concentration part through the bottom gap. This in turn means that a thinner emulsion in the concentration section has a longer concentration time than a thicker emulsion.
  • By dimensioning the height h2 it is in your hand to influence the steepness of the increase in flow velocity, that is, to adjust the concentration time and the flow rate in the concentration section in the desired manner and to adapt it to the desired conditions.
  • M Expl. Area E ⁇ ⁇ Lh ⁇ h1 ⁇ ⁇ Expl.
  • area E is the cross-sectional area of the emulsion part and the other sizes have the meaning already mentioned.
  • the container 1 is divided by the partition 2 leaving a bottom gap 3 in the emulsion part 4 and the concentration part 5.
  • the bottom 6 of the emulsion part 4 is formed after the bottom gap 3 to gently sloping at a flat angle.
  • the line 7 opens for the introduction of explosive or explosive-water emulsion and the two sensors 8 and 9 of the Density measuring device 10. Furthermore, the circulation device 11, which is designed here as a two-stage stirrer, is arranged in the emulsion part 4 and is driven in a known manner by means of the schematically indicated drive 12.
  • the line 13 opens with a control valve 14 for the introduction of water. Furthermore, the level control device 15, 15a with overflow 16 is provided in the concentration part 5. As shown by the dash-dotted line, the level control device is functionally connected to the control valve 14. At the lower end of the concentration part 5 near the bottom 17, the outlet opening or the connecting piece 18 is provided for the removal of concentrated emulsion. Furthermore, the concentration part 5 has the connecting piece 19.
  • the partition 2 is provided with one or more openings 20 of circular, slit-shaped or other suitable cross-section.
  • the operation of the device described is carried out in such a way that the container 1 is first filled with water via the line 13 to a predetermined level.
  • the agitator 11, 12 is then put into operation and the explosive or the explosive-water emulsion is introduced into the emulsion part 4 via the line 7.
  • the speed of the agitator 11, 12 is expediently slow, for example over a period of time space of about 20 seconds, ramped up to the intended target speed and an explosive-water emulsion of predetermined density is generated in the emulsion part 4.
  • emulsion Under the influence of the agitator 11, 12, emulsion subsequently passes from the emulsion part 4 through the bottom gap 3 into the concentration part 5. Since circulation or stirring is not carried out in this, the emulsion has the opportunity to concentrate in the desired manner while the explosive is being moved.
  • the emulsion can be drawn off via the removal opening 18 and passed on for further processing.
  • a system is obtained, for example, in which only emulsified explosive is present at all times and thus the risk is minimized. but in a defined manner preconcentrated explosive is fed to a transport injector, whereby used water is replaced via the level control 15, 15a and possibly discharged explosive in the form of pure explosive or in the form of an explosive-water emulsion via line 7, depending on whether it is batch-wise , discontinuous or continuous operation is provided or carried out.
  • the connecting piece 19 could, for example, also be provided at a level above the opening (s) 20.
  • the density of the emulsion in the emulsion part 4 which is deemed appropriate for this and its concentration in the concentration part 5, it may also prove expedient or necessary to determine the shape and cross-sectional dimensions of the bottom gap 3 and the opening (s) 20 differently .
  • the bottom gap can be designed as a slot that extends over the entire width of the container 1 or as a slot of a correspondingly greater height that only extends over part of the width of the container 1. It is also conceivable that several slot-shaped openings are provided across the width of the container. In any case, regardless of the volume of the container parts, the height of the slot is always dimensioned so large that a closing of the bottom gap due to the surface tension of the explosive is reliably avoided.
  • opening (s) 20 can be designed both in the form of a single or several slots or, preferably, also as one or more circular bores. It is essential that the total cross section of the opening or openings 20 and their arrangement in height h2 is correctly dimensioned or made according to the respective conditions.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Colloid Chemistry (AREA)
EP19870117454 1986-12-03 1987-11-26 Procédé et appareil de stockage d'explosifs liquides sous forme d'émulsion dans l'eau Withdrawn EP0269998A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3641207A DE3641207C2 (de) 1986-12-03 1986-12-03 Verfahren und Vorrichtung zur Lagerung und Entnahme von flüssigen Explosivstoffen in Form einer Wasseremulsion
DE3641207 1986-12-03

Publications (2)

Publication Number Publication Date
EP0269998A2 true EP0269998A2 (fr) 1988-06-08
EP0269998A3 EP0269998A3 (fr) 1991-10-30

Family

ID=6315310

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870117454 Withdrawn EP0269998A3 (fr) 1986-12-03 1987-11-26 Procédé et appareil de stockage d'explosifs liquides sous forme d'émulsion dans l'eau

Country Status (3)

Country Link
US (1) US4767476A (fr)
EP (1) EP0269998A3 (fr)
DE (1) DE3641207C2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5353068A (en) * 1992-08-31 1994-10-04 Sony Corporation Video signal combining apparatus and method
WO1998018545A1 (fr) * 1996-10-30 1998-05-07 Caterpillar Inc. Dispositif et procede de detection et de gestion d'une separation liquide dans des emulsions liquides

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5268046A (en) * 1992-08-14 1993-12-07 Hercules Incorporated Surfactant stabilized nitroglycerin emulsion
US5578275A (en) * 1995-02-16 1996-11-26 The United States Of America As Represented By The Secretary Of The Army In-line sampling with continuous flushing for friction sensitive liquid nitrate ester compositions
US5879079A (en) * 1997-08-20 1999-03-09 The United States Of America As Represented By The Administrator, Of The National Aeronautics And Space Administration Automated propellant blending
IL192264A (en) * 2008-06-18 2013-04-30 Rafael Advanced Defense Sys A method for liquefying and transporting liquid water
US11845042B1 (en) * 2023-03-28 2023-12-19 Phillips 66 Company Automated tank mixing

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB438218A (en) * 1934-06-22 1935-11-13 William Maccormac Burden Improvements in or relating to the manufacture of explosives
DE1446895A1 (de) * 1963-08-03 1969-03-13 Wasagchemie Ag Verfahren und Anlage zum kontinuierlichen Foerdern von fluessigen Explosivstoffen
DE1571221A1 (de) * 1966-09-14 1970-12-17 Dynamit Nobel Ag Verfahren und Vorrichtung zum Foerdern von Sprengoel mittels Injektor
DE2055093C3 (de) * 1970-11-10 1980-01-17 Josef Meissner Gmbh & Co, 5000 Koeln Verfahren und Vorrichtung zum Fördern von flüssigen Explosivstoffen
US3984249A (en) * 1973-02-01 1976-10-05 Eastman Kodak Company Process for sensitizing photosensitive silver halide materials with hydrogen
SE7404839L (sv) * 1974-04-10 1975-10-13 Nitro Nobel Ab Anleggning for kontinuerlig framstellning av sprengemne innehallande sprengolja
US3985593A (en) * 1975-07-28 1976-10-12 Atlas Powder Company Water gel explosives
FR2496504A1 (fr) * 1980-12-23 1982-06-25 Somalor Ferrari Somafer Ets Composition et procede permettant de recuperer et de valoriser des produits petroliers
NO151003C (no) * 1982-12-23 1987-01-07 Norsk Hydro As Emulsjonssprengstoff.
US4555278A (en) * 1984-02-03 1985-11-26 E. I. Du Pont De Nemours And Company Stable nitrate/emulsion explosives and emulsion for use therein
DE3514850A1 (de) * 1985-04-24 1986-11-06 EKATO Industrieanlagen Verwaltungsgesellschaft mbH u. Co, 7860 Schopfheim Verfahren und vorrichtung zur herstellung von oelbasiertem bohrschlamm
EP0238210A3 (en) * 1986-03-14 1989-05-24 Imperial Chemical Industries Plc Solid explosive composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5353068A (en) * 1992-08-31 1994-10-04 Sony Corporation Video signal combining apparatus and method
WO1998018545A1 (fr) * 1996-10-30 1998-05-07 Caterpillar Inc. Dispositif et procede de detection et de gestion d'une separation liquide dans des emulsions liquides

Also Published As

Publication number Publication date
DE3641207A1 (de) 1988-06-16
EP0269998A3 (fr) 1991-10-30
DE3641207C2 (de) 1995-08-10
US4767476A (en) 1988-08-30

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Inventor name: GEBAUER, HANS-JUERGEN