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WO2003024579A1 - Enceinte de pulverisation - Google Patents

Enceinte de pulverisation Download PDF

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Publication number
WO2003024579A1
WO2003024579A1 PCT/DE2002/003209 DE0203209W WO03024579A1 WO 2003024579 A1 WO2003024579 A1 WO 2003024579A1 DE 0203209 W DE0203209 W DE 0203209W WO 03024579 A1 WO03024579 A1 WO 03024579A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
inclined surfaces
silo
inclined surface
opposite
Prior art date
Application number
PCT/DE2002/003209
Other languages
German (de)
English (en)
Inventor
Anton Lindner
Original Assignee
Anton Lindner
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 Anton Lindner filed Critical Anton Lindner
Priority to DE10294195T priority Critical patent/DE10294195D2/de
Publication of WO2003024579A1 publication Critical patent/WO2003024579A1/fr

Links

Classifications

    • 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
    • B01F23/54—Mixing liquids with solids wetting solids
    • 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
    • B01F25/70—Spray-mixers, e.g. for mixing intersecting sheets of material
    • B01F25/72—Spray-mixers, e.g. for mixing intersecting sheets of material with nozzles
    • B01F25/721—Spray-mixers, e.g. for mixing intersecting sheets of material with nozzles for spraying a fluid on falling particles or on a liquid curtain

Definitions

  • the present invention relates to a device for moistening granular or powdery grit with the features specified in the preamble of claim 1.
  • the moistened spreading material can be applied in a more targeted manner; it falls much more accurately than dry spreading material onto the surfaces in the spreading cone of the spreading device and thereby increases the efficiency of the spreading material.
  • a device for moistening granular or powdery grit is known from the prior art, in which the grit stream is sprayed with water while the grit is being loaded with a granular or powdery grit.
  • This known device for moistening granular or powdery scattering material is disadvantageous in particular because its throughput is too low and because of it of a caked-up, solidified spreading material that is too high in moisture content can quickly clog this device and make it unusable.
  • Figure 1 is a side view of a silo with a device according to the invention for moistening granular or powdery grit;
  • FIG. 2 shows a schematic, perspective view of a spray box-like device according to the invention for moistening granular or powdery grit
  • FIG. 3 shows a schematic, perspective view of the moistening device with 6 spray devices according to FIG. 4 shows a schematic cross section through a device according to the invention
  • FIG. 5 shows a schematic side view of a row of silos with a device according to the invention which can be moved from silo to silo on rails.
  • the device according to the invention for moistening granular or powdery grit can comprise, for example, one or more conveyor belts for transporting the grit (1) to be moistened.
  • the device according to the invention for moistening granular or powdery grit (1) can comprise one or more silos (3) for storing the grit to be moistened (1), each silo (3) preferably completely or partially, as well as manually operated or automatically openable and closable emptying openings (5).
  • the device according to the invention for moistening granular or powdery scattering material (1) further comprises at least one housing (4) which is located below the or the discharge openings (5) of the silo (s) (3) or below the downstream end of the conveyor belt ( 2) can be provided rigidly or displaceably or moved.
  • one, two, three, four, five, six, seven, eight, new, ten or more inclined surfaces (6) are provided in the housing (4).
  • the length of the inclined surfaces (6) is, for example, in the range from 5 cm to 200 cm, preferably in the range from 6 cm to 120 cm, in particular in the range from 7 cm to 100 cm.
  • These inclined surfaces (6) are preferably aligned with one another in the form of a letter U or V standing upside down or in the form of a pyramid or a circular cone or a truncated cone or a spherical segment or a rotational paraboloid or a polyhedron or a wedge.
  • a distance (9) is provided and formed between the lower edges (7) of each inclined surface (6) and the respectively opposite wall (8) of the housing (4), which is in the range from 1.5 cm to 45 cm, preferably in Range from 2.0 cm to 40 cm, in particular in the range from 3.0 cm to 35 cm, and among other things for the passage of the spreading material (1) running over the inclined surfaces (6) and as a "flight path" for the slipped off spreading material ( 1) serves.
  • Maintaining this distance (9) between the lower edges (7) of the inclined surface (6) and the respectively opposite wall (8) of the housing (4) in the above-mentioned area is of particular importance, since only then is a sufficiently high throughput and a sufficiently long "flight path" for targeted moistening, for swirling and for preventing caking of the grit and thus clogging of the device is guaranteed.
  • one or more spray devices (10) can be directed rigidly or changeably at the stream (11) of spreading material (1) emitted directly from the assembly line and / or from the silo (3).
  • a plurality of spray devices (10) are preferably rigid or changeable on the areas (12) between the lower edges (7) of the inclined surfaces (6) and the walls (8) of the housing (4) opposite them directed from below and / or from above.
  • the flow rate or the flow rate of the material to be moistened (1) along the inclined surfaces (6) is in the range from 0.1 m per second to 10 m per second, preferably in the range from 0.3 m per second to 7.0 m per second, in particular in the range from 0.5 m per second to 5.0 m per second.
  • the thickness (13) of the layer of scattering material (1) flowing along the inclined surfaces (6) can be, for example, in the range from 1.0 cm to 44 cm, preferably in the range from 2.0 cm to 30 cm, in particular in the range from 3.0 cm to 20 cm.
  • they are directed from above onto the inclined surfaces (6) or from above onto the downstream sections of the scattering path Spray devices (10) are provided between the respective inclined surface (6) and the wall (8) of the housing (4) opposite this.
  • the spray devices (10) directed from below onto the areas (12) between the lower edges (7) of the inclined surfaces (6) and the opposite walls (8) of the housing (4) can, for example, be provided completely or at least partially below the inclined surfaces (6) his.
  • the grit container of a grit vehicle can be loaded from a silo (3) located above the grit container on the vehicle.
  • the grit (1) can be run over the inclined surfaces (6) below the emptying opening (5) of the silo (3), with each of the grit flows (1) flowing along the inclined surfaces (6) from the outside and / or is sprayed with liquid (22) from the inside, namely from locations below and above the inclined surfaces (6).
  • the liquid (22) used for spraying according to the invention can be, for example, water or an alkali such as CaCl 2 solution.
  • a housing (4) of a spray box according to the invention is provided below an emptying opening (5) of a silo (3), in which two inclined surfaces are arranged essentially roof-shaped in such a way that between the lower edge (7) of each inclined surface (6) and the opposite wall (8) of the housing (4), a passage opening for the spreading material (1) extending over the inclined surface (6) remains.
  • nozzle-like spray devices 10 directed towards the path of the scattering material (1) for a liquid (22) conveyed under pressure by means of at least one pump.
  • the container of a spreading vehicle can be loaded extremely quickly.
  • 6 m 3 can be enriched with 20% moisture in less than three minutes and can be loaded into the grit container of a gritting vehicle during this period.
  • the shape of the inclined surfaces (6) can ensure that the spreading material is well distributed in the mostly rectangular container of the spreading vehicle. Basically, a moisture content up to 80% can be achieved.
  • the spreading vehicle can drive off and begin to spread the spreading material immediately or after some time.
  • a screw conveyor at the bottom of the grit container can possibly convey the road salt to a grit plate. If necessary, the spreading material is mixed again at the spreading plate so that the spreading material is spread in a uniformly moist state.
  • the method according to the invention and the device according to the invention consequently lead to the advantage that the spreading vehicles can only be preloaded far before use and not in a long filling process.
  • a valve for example a solenoid valve, is arranged in the liquid line, which leads from a pump to the possibly nozzle-like spray devices (10).
  • a light, radio or ultrasonic barrier is arranged, which represents part of the control device of the solenoid valve in the line from the pump to the spray devices (10).
  • the solenoid valve is preferably only opened when the spreading material (1) through the space between the housing (4) receiving the inclined surfaces (6) and the lower edge of the discharge opening (5) passes.
  • a control device for the synchronized control of the emptying opening (5) of the silo (3) and the solenoid valve between the pump and the spray devices (10) can be provided to synchronize the liquid supply into the stream of the spreading material to be loaded.
  • Each spray device (10) is preferably connected to one or more pumps which supply the liquid medium (22) to be sprayed with a pressure in the range from 0.1 bar to 80 bar, preferably in the range from 0.5 bar to 60 bar. in particular in the range from 0.6 bar to 19.0 bar.
  • the delivery rate of such a pump is, for example, in the range from 2000 liters per hour to 8000 liters per hour, preferably in the range from 3500 liters per hour up to 7000 liters per hour, in particular in the range from 4000 liters per hour to 5500 liters per hour, for example at a pressure of about 30 bar.
  • a lye is usually considered, which was previously produced in a separate system.
  • a separate system is fundamentally no longer necessary in the device according to the invention.
  • the pump conveys the liquid from a container into which a pipeline opens, which branches off from the delivery line between the pump and the nozzles via a three-way valve.
  • the liquor can be produced from the liquid in the container and the solid (salt) poured into the container by the pump continuing to feed the liquid-solid mixture via the branch line leading back into the container pumped until all solid parts have dissolved in the liquid.
  • the spreading material (1) is often stored in several silos (3).
  • the silos (3) are set up in a row below which there is a path for the vehicles to be loaded (see FIG. 5).
  • the housing (4) of the spray box according to the invention can, for example, be movably carried by rollers (15), these rollers (15) possibly on rails (16) below the silos (3) run. At least part of the liquid line between the pump and the possibly nozzle-like spray devices (10) is then preferably designed in the form of a hose.
  • the housing (4) receiving the inclined surfaces (6) and the spraying devices (10) can be moved under the next silo (3) and moisten the spreading material (1) from this silo there. In this way it is possible to use only a single spray box housing (4) running on rails for a large number of silos (3), which comprises inclined surfaces (6) and the spray devices (10).
  • the emptying opening (5) of the silo (3) is designed in the manner of a fish mouth closure, which is evident and can be closed by means of a hydraulic or pneumatic actuation device, if applicable.
  • a hydraulic or pneumatic actuation device if applicable.
  • Such a design is particularly suitable for remote-controlled automatic actuation.
  • a particularly preferred embodiment of the device according to the invention comprises two inclined surfaces (6) which correspond to one another on the head
  • Letters V or U are aligned, four, five, six, seven, eight, nine, ten or more nozzle-like spray devices (10) being located below the two inclined surfaces (6), two or more of which, for example, on each of the two of the inclined surfaces
  • downward streams of grit (1) are directed from below, and in front of the insides of the walls of the housing (4) opposite the inclined surfaces (6) above or at the height of the inclined surfaces (6) one or more on each inclined surface (6 ) nozzle-like spray devices (10) directed from above.
  • silos (3) which have only such a size that they hold the filling material for a single loading of a spreading vehicle.
  • the device according to the invention can be used, for example, in silos (3) which only take up 5 m 3 , that is to say a single customary loading quantity for a spreading vehicle.
  • each silo (3) comprises a cylindrical wall, which is closed at the bottom h by a conical or funnel-shaped bottom, which can preferably have one or more emptying openings (5) centrally.
  • each silo (3) stands on a stand that consists of feet and a support ring on which the silo is placed (see Figures 1 and 5).
  • two inclined surfaces (6) can be arranged in a substantially roof-shaped manner in the housing (4) or aligned with one another in the form of a letter V or U standing on the head, the incline ⁇ flat (6) include, for example, an angle ⁇ in the range from 50 ° to 110 °, preferably in the range from 60 ° to 95 °, in particular in the range from 70 ° to 85 °.
  • the upper edges (14) of the inclined surfaces (6) can, for example run into a common ridge line. This ridge line is preferably provided under the middle of the closable emptying opening (5) of a silo (3).
  • At least two walls of the housing (4) are aligned parallel to one another.
  • the inclined surfaces (6) can, for example, be attached laterally to these walls.
  • the two other side walls are preferably also arranged parallel to one another.
  • all or at least some of the walls (8) of the spray box housing (4) are designed in the form of flat surfaces.
  • At least the two walls opposite the lower edges (7) of the inclined surfaces (6) are preferably angled when viewed from the side (see FIG. 2).
  • the angled design of these walls (8) is preferably such that the upper parts of these angled walls have the same direction of inclination as the opposite associated inclined surfaces (6), while the wall parts arranged below have an opposite direction of inclination.
  • the kink (20) between these two wall parts can be located, for example, at the level of the lower edge (7) of the corresponding inclined surface (6) or higher.
  • the spreading material (1) from the silo (3) which strikes the inclined surfaces (6) slides along the inclined surfaces (6) and usually falls or impacts the lower part (17) of the wall (8) of the spray box housing ( 4).
  • the lower section (17) of the wall (8) of the housing (4) which lies in the region of an imaginary extension of the longitudinal axis (18) of the inclined surface (6), is preferably essentially perpendicular to the longitudinal axis (18) of the inclined surface ( 6) aligned or includes with the extension of the longitudinal axis (18) an angle ⁇ which is in the range from 70 ° to 140 °, preferably in the range from 75 ° to 120 °, in particular in the range from 80 ° to 100 °.
  • the lower wall section (17) preferably serves as an impact surface and / or as a guide surface for the grit (1) flowing away from the corresponding inclined surface (6).
  • the lower parts of the walls (8) are preferably designed so that they form a funnel.
  • This embodiment is particularly advantageous when the grit containers on the respective grit vehicles have a rectangular outline shape. If, on the other hand, the grit containers of the road vehicles have an elongated floor plan, the grit is preferably allowed to flow into the elongated grit container in divergent ways.
  • the length (19) of the lower section (17) of the wall (8) of the housing (4), which lies in the region of an imaginary extension of the longitudinal axis (18) of the inclined surface (6) downward, is for example in the range of 0.1 up to 4 m, preferably in the range from 0.2 m to 3.0 m, in particular in the range from 0.3 m to 2.0 m.
  • One or more spray devices (10) can be located in the center under the upper edge of the housing wall (8) with which the outward-facing surface of the grit (1) flowing on the inclined surfaces (6) is sprayed with liquid (22).
  • a pair or more nozzle-like spray devices (10) can be arranged on each side, with which the underside of the flow of material (1) flowing down the inclined surfaces (6) can be sprayed with moisture (22).
  • a total of, for example, six or more nozzles can be located in the housing (4), of which at least three are each assigned to an inclined surface (6).
  • the emptying opening (5) of the silo (3) can be designed as a fish mouth opening.
  • it comprises, for example, two blades which lie against one another with the edges on their underside and on their sides when the emptying opening (5) is closed. These blades are preferably pivotable about a substantially horizontal, overhead axis and are moved, for example, with the aid of hydraulic or pneumatic cylinders.
  • the walls (8) of the housing (4) opposite the inclined surfaces (6) are designed to be angled when viewed from the side, the upper part of each of these walls having the same inclination direction as the opposite and associated inclined surfaces (6) has, while the underlying part (17) of the wall (8) of the housing (4) has an opposite direction of inclination.
  • the kink (20) between the upper and lower part (17) of the respective angled wall (8) is for example, approximately at the level of the lower edge (7) of the opposite inclined surface (6).
  • the kink (20) between the upper and lower part (17) of the respective angled wall (8) can be arranged at a distance (21) above the lower edge (7) of the inclined surface (6) opposite this, the distance (21) is, for example, in the range from 1.0 cm to 60.0 cm, preferably in the range from 2.0 cm to 50.0 cm, in particular in the range from 3.0 cm to 40.0 cm.
  • One or more light, radio or ultrasonic barriers can be arranged, for example, between the lower edge of the emptying opening (5) of the silo (3) and the upper edge of the housing (4).
  • the beam emitted by the transmitter and picked up by the receiver is preferably interrupted as soon as the emptying opening (5) of the silo (3) is opened and scattered material falls out of the silo (1) downwards.
  • a control for a solenoid valve can then be activated by the receiver, for example, this solenoid valve possibly being arranged in the feed line of the liquid to the possibly nozzle-like spray devices (10).
  • the solenoid valve is preferably closed. This can be the case, for example, when the emptying opening (5) of the silo (3) is closed or the respective silo (3) is empty.
  • the transmitter and the receiver of the light, radio or ultrasound barrier described above can be attached, for example, in the region of the upper edge of the walls (8) of the housing (4).
  • the solenoid valve can also be attached to the outside of the housing (4). This ensures that when the housing (4) is moved from one silo to another silo, the control device is also moved.
  • the liquid supply line is designed as a hose.
  • This hose can be suspended in several loops in a known manner, so that the hose does not get tangled during a movement of the housing (4) from one silo (3) to the next silo (3).
  • the liquid supply line is coupled to the outlet of a high-pressure pump.
  • the pump is fed with liquid (22) from a liquid container via a separate line.
  • a multi-way valve can be located behind the pump, which valve may make it possible to pump the pressure fluid (22) coming from the pump either into this supply line or into a return line.
  • the return line leads back to the liquid container, for example.
  • the return line if present, is used to, for example, a lye in the liquid to generate keitsbehalter from water and a solid (salt; CaCl 2 ) by pumping the solid-liquid mixture until the solid has completely dissolved.
  • This return line is also used, if necessary, if the pump is to operate without pressure before it is switched off or if it has to operate without pressure during the starting process.
  • the complete system can operate fully automatically at the push of a button.
  • the spreading material (1) is, for example, road salt, artificial fertilizer or seed.
  • the device according to the invention for moistening granular or powdery scattering material is particularly advantageous over the device for moistening granular or powdery scattering material known from the prior art because its throughput is particularly due to the precisely specified distance (9) between the Bottom edges (7) of the inclined surfaces (6) and the opposite walls (8) of the housing (4) is very large and there is no risk of clogging there.
  • Another advantage of the device according to the invention for moistening granular or powdery grit can be seen in the fact that in a particularly short time and, if appropriate, with a particularly small amount of liquid, it can moisten the grit precisely in a precisely controllable and definable manner, with the exclusion of the risk of caking of the grit - even with a very high moisture content.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
  • Special Spraying Apparatus (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Abstract

La présente invention concerne une enceinte de pulvérisation destinée à humidifier un matériau d'épandage (1) issu d'un silo (3) ou d'une bande transporteuse, ladite enceinte présentant un boîtier (4) qui est disposé en-dessous d'un silo (3) ou de l'extrémité aval d'une bande transporteuse (2). Selon l'invention: le boîtier (4) comprend une ou plusieurs surfaces inclinées (6); entre les bords inférieurs (7) de chaque surface inclinée (6) et la paroi de boîtier (8) respectivement opposée, est formé un espace (9) qui vaut de 1,5 cm à 45 cm; un ou plusieurs dispositif(s) de pulvérisation (10) destiné(s) à une substance liquide (22), est/sont dirigé(s) sur chaque surface inclinée (6) depuis le dessus et/ou un ou plusieurs dispositif(s) de pulvérisation (10) est/sont dirigé(s) sur le flux de matériau d'épandage (11) entrant directement dans le boîtier (4); et un ou plusieurs dispositif(s) de pulvérisation (10) est/sont dirigé(s) vers le bas et/ou vers le haut sur la zone (12) située entre les bords inférieurs (7) des surfaces inclinées (6) et les parois de boîtier (8) opposées à ceux-ci.
PCT/DE2002/003209 2001-08-30 2002-08-30 Enceinte de pulverisation WO2003024579A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE10294195T DE10294195D2 (de) 2001-08-30 2002-08-30 Sprühkasten

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20114202U DE20114202U1 (de) 2001-08-30 2001-08-30 Sprühkasten
DE20114202.3 2001-08-30

Publications (1)

Publication Number Publication Date
WO2003024579A1 true WO2003024579A1 (fr) 2003-03-27

Family

ID=7961033

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2002/003209 WO2003024579A1 (fr) 2001-08-30 2002-08-30 Enceinte de pulverisation

Country Status (2)

Country Link
DE (3) DE20114202U1 (fr)
WO (1) WO2003024579A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7938571B1 (en) * 2005-10-11 2011-05-10 Flyashdirect, Ltd. Fly ash treatment system and method of use thereof
US7942566B1 (en) 2005-10-11 2011-05-17 Flyashdirect, Ltd. Fly ash treatment system and method of use thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMO20110103A1 (it) * 2011-05-06 2012-11-07 Imal Srl Dispositivo e metodo per l'iniezione di un fluido all'interno di un flusso di materiale incoerente.
IT202100027236A1 (it) * 2021-10-22 2023-04-22 Easy Tech Di A Beltrame Gruppo di pre-miscelazione, macchina di miscelazione e relativi procedimenti d’uso

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WO1983001909A1 (fr) * 1981-11-30 1983-06-09 Grove, F., Allen Structure de passivation en continu pour du charbon desulfure
US4499561A (en) * 1982-12-06 1985-02-12 Hoge, Warren, Zimmerman Company Apparatus for continuously producing a dry material and liquid slurry
WO1998008596A1 (fr) * 1996-08-30 1998-03-05 Energiagazdálkodási Részvénytársaság Appareil de melange hydromecanique servant a produire un melange de matiere a l'etat pulverulent ou granulaire et de liquide
CA2238447A1 (fr) * 1997-05-26 1998-11-26 Markus E. Wallgren Appareil pour charger un coulis de ciment
EP1125627A2 (fr) * 2000-02-19 2001-08-22 General Kinematics Corporation Dispositif pour mélanger d'eau et de sable

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Publication number Priority date Publication date Assignee Title
GB1454024A (en) * 1974-02-01 1976-10-27 Jednotne Zemedelske Druszstvo Apparatus for the passage fo grain
WO1983001909A1 (fr) * 1981-11-30 1983-06-09 Grove, F., Allen Structure de passivation en continu pour du charbon desulfure
US4499561A (en) * 1982-12-06 1985-02-12 Hoge, Warren, Zimmerman Company Apparatus for continuously producing a dry material and liquid slurry
WO1998008596A1 (fr) * 1996-08-30 1998-03-05 Energiagazdálkodási Részvénytársaság Appareil de melange hydromecanique servant a produire un melange de matiere a l'etat pulverulent ou granulaire et de liquide
CA2238447A1 (fr) * 1997-05-26 1998-11-26 Markus E. Wallgren Appareil pour charger un coulis de ciment
EP1125627A2 (fr) * 2000-02-19 2001-08-22 General Kinematics Corporation Dispositif pour mélanger d'eau et de sable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7938571B1 (en) * 2005-10-11 2011-05-10 Flyashdirect, Ltd. Fly ash treatment system and method of use thereof
US7942566B1 (en) 2005-10-11 2011-05-17 Flyashdirect, Ltd. Fly ash treatment system and method of use thereof

Also Published As

Publication number Publication date
DE10157160A1 (de) 2003-04-03
DE10294195D2 (de) 2004-07-22
DE20114202U1 (de) 2002-02-07

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