DE1931785B2 - Floating pipeline - Google Patents

Description

The invention relates to a floating pipe- existing pipes is very effective line, in particular for use as a connection protection of the pipeline sections against the corroding line of a ship (tanker) with a sion in sea water. With the known floating anchors Buoy for loading and unloading ship pipelines is, provided it is not made of expensive fen, consisting of a sequence each made by flexible rubber, an additional corrosion hose sections interconnected rigid protection required, which in turn makes the manufacture Pipes with floating bodies permanently connected to them are more expensive. The manufacture of the floating pipeline pern, which is the swimming pipeline on the one hand, in particular compared to the known Swimming under load with sufficient buoyancy saves 40 swimming tubes, the separate ones Rent. Have floating pipes, they are now separated

During the last few years various constructions besides the actual fluid conduit have become diestructures from anchored buoys for unloading or converted as a jacket pipe Tankers become known, the verbs larger pipes, for example with elliptical connection of the ship with the buoy, e.g. over 45 cross-sections. The inventive hose-like floating pipelines are made (see floating body of each pipe section is very much Hansa magazine, 1963, p. A 92). Which often looks lighter than when surrounded by a jacket pipe Rubber or a similar flexible material is, which is why the floating pipeline according to the prepared Hoses are very long and have a comparatively high capacity with the same load-bearing capacity a large diameter. Since this hose 50 has a lower weight and smaller dimensions. also constantly swimming on the surface of the sea. A floating body in the form of a jacket tube men, they can be easily damaged in rough weather. Steel can also leak, which occurs when swimming. In the event of damage to such a body according to the invention, this is not the case. One Hose it is not only necessary, this by local damage makes at most under the to replace a new hose, but there are 55 perspectives of the corrosion protection after smoke considerable loss of time when loading and unloading is required, but this is done without major fuss of a tanker. is possible during breaks in operation.

There are floating pipelines known from The invention is based on a schematic

a sequence in each case by flexible hose sections drawing closer to several embodiments consist of interconnected rigid pipes. The 60 explains in the shows

rigid pipes have continuous floats, FIG. 1 a first embodiment of the invention

which give them the necessary buoyancy (see appropriate floating pipeline in longitudinal section, Blaum — v. Marnitz, The floating excavators, Vol. 1, Fig. 2 is a reduced side view of the execution

Springer-Verlag, Berlin, 1963, pages 232 and 235). according to Fig. 1,

In another known floating pipeline 65 F i g. 3 is a longitudinal section through a modified one a buoy for loading and unloading are as a floating embodiment of the floating body according to the invention a larger number of polyurethane foam pipe and material bodies at the connection points of the rubber Fig. 4 a longitudinal section through another cut

modified embodiment of the floating pipeline according to the invention.

In the drawing, the rigid metal pipe sections are each marked with 1 and those provided at their ends Flanges designated with 2. According to FIG. 1 to 4, each rigid pipe is fixed to one with it or integrally connected floating body, which has a layer 3 made of a foamed plastic, e.g. polyurethane foam, which is applied to the pipe by means of a spraying process «; known type is upset. The outer surface of the foam layer 3 is made of a protective layer 4 here encased with epoxy resin, impregnated fiberglass fabric.

Between each two adjacent rigid pipes 1 there is a flexible hose section denoted by 5 with end-side metal flanges 6, which with the pipe flanges! are screwed, as a flexible connecting element intended.

In the embodiment according to FIG. 1 and 2 has the flexible connection hose 5 made of rubber or a similar material has several ring-shaped floats surrounding it? from foamed Plastic.

F i g. 3 shows an embodiment in which the tube portion 5 a dereu fixedly connected to it • c _c hicht of a vapor-SchwimmerShat. - foamed

foamed K ™ ^s * _{f Τ} 0ΠΙ1 a prefabricated ^FSST ^ fJ connecting hose herumver _Au f _foaming

foamed

Rubber and ^mf f ^ßt '
Flat material urn

Embodiment

ίο In the case of the F ι § ■ * J ^ jP ^ fcht mit Schwimmist the connection ^ hose ^ n ^^^ ^ ^

sufficient

shift 3 instead

will,

1 sheet of drawings

Claims (3)

tube provided, which is surrounded by a protective layer from patent claims: with an impregnated fiberglass peat (USA.-Patentschnft 3 2oS 793). 1. Schwinunrohrleitung, in particular for the purpose of the invention, the object is a use as a connecting line of a ship 5 floating pipe for the; angang ^ ™ ^ way of further developing an anchored buoy for loading and unloading. that ae can be produced in the Verden of ships, consisting of a sequence each to the hitherto customary _] ^ hwimmlewe partly through flexible hose connections with each other at lower costs and the connected rigid pipes with them a greater resistance to damage connected floating bodies, which the i ° gungen owns. ";""-,""»" _o " * Floating pipeline one for swimming This task is to give sufficient buoyancy for the aforementioned under load, floating pipeline solved in that according to the characterized in that each invention consists of a floating body from one to a floating body consists of a foam layer which is attached to a pipe (1) and completely encircled the pipe and completely encloses the pipe (1). ßenden foam layer (3) consists The foam stiff layer is expediently 2. Floating pipeline according to claim 1, wherein a polyurethane sprayed onto the pipe through characterized in that the foam-foam layer. layer (3) sprayed onto the pipe (1) to increase the resistance Polyurethane foam layer is. »O be useful for certain foam layers, 3. Floating pipeline according to claim 2, that it is covered by a protective layer of a mrt .Epoxydurch characterized in that the foam resin to encase impregnated fiberglass fabric layer (3) of a protective layer (4) made of a. The application of the foam layer on the Glass fiber fabric impregnated with epoxy resin through injection-molding of rigid pipe sections is encased feasible in multiple ways and therefore very inexpensive. This results in a comparatively cheap floating pipeline, which is also a minimal one Has wind, flow and wave resistance. Another benefit of using 30 sprayed foam, in particular polyurethane foam, on the rigid, usually made of steel