DE3413702A1 - WATER VEHICLE FOR SPRAYING POWDERED MEDIA ONTO WATER - Google Patents

Description

£> R. HATE

DR. SOLF & ZAPF

Authorized representative at the European Patent Office

European Patent Attorneys Munich - Wuppertal

+ II / mj / M304

Imeko System AB, 82401 Hudiksvall / Sweden PO Box 552

Watercraft for spraying powdery media onto bodies of water

The invention relates to a watercraft for spraying powdered media, in particular processing agents, preferably lime, on water, with a drive unit for maneuvering the watercraft in a desired area of the water and with at least one device for spraying one from the powdery medium and water existing pulp on the surface of the water body.

The invention is based on the object of creating a watercraft of the type mentioned at the outset which a quick and easy spraying of powdered lime (calcium oxide) or other treatment or processing agents allows for the treatment of water of a body of water, with both the actual spraying the lime as well as the loading of the vehicle with the lime can be carried out cleanly and comfortably,

Asamstrasse 8, D-8000 Munich 90 Patent attorney Dr. Ing. Dipl.-Ing. A. SoIf (Munich)

Phone (089) 653665; Fax (089) 653218 Patent Attorney DipL-lng. Chr. Zapf (Wuppertal)

Telex: 5214168 soza d patent attorney Dr. Ing. Dipl.-Ing. W. Hasse (Munich)!

whereby attractive working conditions are created for the operator who makes the spraying of the lime. Furthermore, a watercraft is to be created at the same drive used to maneuver the vehicle on the water and to spray the lime can be.

According to the invention, this object is achieved by a Storage room arranged in the hull of the vehicle for receiving and storing the powdery medium in a dry place Shape; and a spray device designed as a jet pump, which supplies water to the water during the spraying process and this with the dry, powdery, the medium removed from the storage room mixes, with the water as the transport medium and the powdery medium as Adding medium is used; and the jet pump connected to an outboard of the Connected to the area of the vehicle communicating for pumping water from the body of water connected to a pump and is connected to the storage room via a conveyor line.

Advantageous further developments of the invention are identified in sub-appendices 2 and 3. 25th

The drawings illustrate the invention using an exemplary embodiment; namely show:

1 to 3 perspective views of a watercraft according to the invention;

4 shows a cross section through the watercraft?

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5 shows a longitudinal section through the front half of the watercraft; and

6 shows a perspective view of the watercraft floating on a body of water during

a spraying process.

In Figs. 1 to 3, the watercraft is with the Reference numeral 1 is provided and has a rear driver's cab 2. In the bow of the watercraft 1 is a combined one Mixing and spraying device is arranged, which is provided with the reference numeral 3 as a whole. In FIG. 6 the reference numeral 4 denotes a load of lime which is bunkered in the watercraft 1.

Figs. 1, 4 and 5 show that most of the watercraft 1 is designed as a bunker 5, the has a V-shape in cross section and the bottom of which has the shape of a channel 6 in which a screw conveyor 7 is arranged, which is driven by an engine 8, the engine 8 preferably as a diesel engine and is arranged between the bow walls of the watercraft and a transverse wall 9. Preferably, the screw conveyor 7 is driven by a hydraulic motor 8 ', which according to a preferred Embodiment of the invention is driven by the motor 8.

The device 3 is located between the bow walls, in particular within the area of a comparative high deck 10 and has a jet pump which, in a manner known per se, has a housing 11, a mixing tube 12 and a diffuser 13 has.

The rear end of the housing 11 is connected via a pipe 14 to a pump 16, which is preferably of a hydraulic motor 15 and itself via a pipe 17 with a suction opening 18 (Fig. 2) is connected, promoted by the water of the body of water on board and by means of the pump 10 through the Housing 11 can be passed. The water in the housing 11 serves, in a manner known per se, as a transport medium, at the same time the lime of the bunker 5 as Additional medium is used. In that the lime and the water are mixed in the mixing tube 12 and in the diffuser 13 are formed, a slurry is formed, which is ejected from the diffuser 13 at a speed that on the flow rate of the water pumped into the watercraft 1 via the pipeline 14 is. The lime is transported via the tubular line 14 by means of a negative pressure, which then increases forms when the water passes the jet pump. The line 19 is preferably provided as a hose an opening in the area of the front end of the screw conveyor 7.

The storage room or bunker 5 is normally covered with a tarpaulin 20, which of several parallel Ironing 21 is worn. The brackets 21 have rollers to move them along the upper area of the side wall 23 of the Watercraft 1, with a shift from that shown in FIG. 6 to cover the bunker 5 Position in which the tarpaulin 20 completely covers the bunker 5, up to one in the area of the front

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Transverse wall 9 located position takes place. From Fig. 4 it can be seen that the tarpaulin 20 extends slightly over the side wall 23 also to between the longitudinal side edges of the tarpaulin 20 and the side walls 23 to each form a longitudinal gap 24 by the air can pass through. The powdery lime 4 is in the bunker 5 via a filling line 25 (Fig.l) transported, one end of which is arranged in the area of the ship's side and the other End in the area of the bottom of the bunker 5, i.e. essentially between the front transverse wall 9 and the rear bulkhead 9V is located. When the lime is filled into the bunker 5, the tarpaulin 20 cover the bunker 5 completely, the air then flowing out of the bunker 5 calmly and evenly emerges from the longitudinal gaps 24, whereby the formation of dust outside the watercraft 1 is prevented. This means that the watercraft can be loaded without it or its surroundings is contaminated with lime dust.

From Fig. 6 it can be seen that a pivotable pipe 26 is connected to the water suction opening 18, to enable the absorption of water directly from the body of water. This tube 26 can upward from the Water can be swiveled out if no lime is to be sprayed.

The watercraft has a drive unit 27 which is provided with a propeller which is driven by a hydraulic motor 8 ''', the hydraulic motor 8 ¹ ' being connected to the motor 8 or being driven by it.

Fig. 6 shows how the watercraft over an area of the body of water that is treated or processed is to be driven by the drive unit 2 7, while at the same time water of the water in the Watercraft pumped in and in the housing 11 of the Jet pump is mixed with lime to form a lime slurry, which is ejected in a wide jet 28 and is sprayed over the area of the body of water. Preferably water and lime powder are used in a mixing ratio of at least 3: 1, especially 4: 1, mixed. Since the porridge thus formed is ejected in the form of comparatively heavy drops, it is essentially insensitive against wind, which means that the pulp can be sprayed evenly into the air without creating dust occurs. When the lime slurry hits the surface of the water, it is not caused by surface tension of the water is affected, and the lime particles in the broad droplets sink immediately to the Bottom of the body of water, this being done at the point at which the respective broad drop hits the Surface of the water has hit.

Finally, it should be pointed out that the terms "lime" and "water" are used as they are in the description and used in the claims are to be interpreted very broadly. This makes it possible to replace the Lime to use other materials or mixtures of materials that increase the pH or otherwise Have a purifying effect on acidic water. The term "body of water" includes any species of accumulations of water, e.g. river, lake, pond, canal, etc., which require a preparation or treatment of the invention Need kind.

Claims (3)

Expectations: Watercraft for spraying powdery media, in particular treatment or preparation agents, preferably lime, on water, with a drive unit for maneuvering the watercraft in a desired area of the water and with at least one device for spraying a pulp consisting of the powdery medium and water on the surface of the water, characterized by a storage room arranged in the hull of the vehicle (1) (5) for receiving and storing the powdery medium (4) in dry form; and one designed as a jet pump (11) spray device which removes water from the body of water during the spraying process and mixes this with the dry, powdery medium (4) removed from the storage space (5), wherein the water is used as the transport medium and the powdery medium (4) is used as the additive medium; and the jet pump Asamstrasse 8, D-8000 Munich 90 Phone (089) 653665; Fax (089) 653218 Telex. 5214168 soza d Patent attorney Dr. Ing. Dipl.-Ing. A. SoIf (Munich) Patent attorney Dipl.-Ing. Chr. Zapf (Wuppertal) Patent attorney Dr. lng.Dipl .-! ng.W. Hasse (Munich) ( (11), which is connected via a tubular line (14) to an outboard of the vehicle (1) Communicating area connected to the pump (16) for pumping water from the body of water and is connected to the storage room (5) via a conveying line (19). 2. Watercraft according to claim 1, characterized in that the storage room (5) a preferably V-shaped bunker (5) in cross section, the bottom of which is designed as a channel (6) in which a screw conveyor (7) for transporting the powdery medium (4) to the jet pump (11) is arranged. 3. Watercraft according to claim 1 or 2, characterized in that the storage room (5) with a cover plate (20) covered by a plurality of sliding brackets (21) is carried, and that the edge region of the tarpaulin (20) for Formation of a between the tarpaulin (20) and the side wall (23) of the watercraft (1) Longitudinal gap (24) protrudes beyond the side wall (23), with a through the longitudinal gap (24) at Filling the storage room (5) with the powdery medium (4) in the storage room (5) building up excess air pressure can escape.