Pipeline residual oil recovery device

Abstract

The utility model relates to a pipeline residual oil recovery device which comprises an oil storage bag, an annular supporting frame used for being erected in a dragging boat is fixedly arranged at the bottom of the oil storage bag, an oil inlet used for being externally connected with an oil conveying pipe is formed in the top of the oil storage bag, and the other end of the oil conveying pipe extrudes residual oil in a pipe into the oil storage bag through a rolling assembly. The rolling assembly is composed of a winding roller and a pressing roller which are rotationally meshed, the oil conveying pipe penetrates through the position between the winding roller and the pressing roller, and the pipeline residual oil recovery device is simple in structure, saves manpower, is more convenient to use and meanwhile effectively avoids residual oil waste.

Description

Technical Field

[0001] The utility model relates to a pipeline residual oil recovery device. Background Art

[0002] Currently, some large oil tankers are not convenient to refuel near the coast, so they need to set up temporary refueling points along designated coasts to implement emergency fuel refueling. According to the equipment composition, they can be divided into two types: floating hose type and single point mooring type.

[0003] Floating hose refueling equipment consists of a flexible oil tank, oil pump, oil hose and winch, quick connector, line sweeping equipment, refueling gun and buoy, as well as a generator set, air compressor unit, power distribution equipment, work boat, communication equipment, etc. Single-point mooring refueling equipment mainly consists of a mooring buoy (water drum) anchored to the sea with anchor chains on all sides. The buoy is equipped with a mooring arm, manifold arm and parallel arm turntable. The center of the turntable is an oil transfer rotary joint. Under the buoy is an underwater hose that connects to onshore or underwater oil storage facilities through a submarine oil pipeline. The receiving ship connects the oil pipeline to the oil transfer rotary joint in the center of the turntable to carry out oil refueling.

[0004] However, both require the oil pipeline to be dragged and extended. After the replenishment is completed, there will be a large amount of residual oil in the pipeline. There is currently no better recovery method, and the oil can only be brought back and dumped. The operation is cumbersome, consumes a lot of manpower, and the recovery is not complete, resulting in waste. Utility Model Content

[0005] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a pipeline residual oil recovery device which is not only structurally reasonable but also safe and convenient.

[0006] In order to solve the above technical problems, the technical solution of the utility model is: a pipeline residual oil recovery device includes an oil storage bag, a ring-shaped support frame for being installed in a towing boat is fixed at the bottom of the oil storage bag, and an oil inlet for an external oil pipeline is opened at the top of the oil storage bag. The other end of the oil pipeline squeezes the residual oil in the pipe into the oil storage bag through a rolling assembly. The rolling assembly consists of two rotatably engaged winding rollers and a pressing roller, and the oil pipeline passes between the winding roller and the pressing roller.

[0007] Furthermore, the winding roller is provided with a winding groove inwardly along its circumference, and the pressing roller is provided with a convex portion along its outer circumference for extending into and cooperating with the winding groove to squeeze the oil pipeline.

[0008] Furthermore, both ends of the winding roller and the pressing roller are rotatably connected to a frame via a rotating rod, and a rotating handle is fixedly connected to the outside of the rotating rod at one end of the winding roller.

[0009] Furthermore, the oil storage bag is provided with an annular anti-collision airbag along its outer circumference.

[0010] Furthermore, an oil drain port is provided near the bottom of the oil storage bag and is closed by a valve.

[0011] Furthermore, a one-way air release valve is provided on the top of the oil storage bag.

[0012] Furthermore, the oil storage bag is fixedly provided with a hanging ring for connecting a hanging rope or a hook.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the oil inlet end of the oil pipe is removed and inserted between the winding roller and the pressure roller, and is wound around and extended out; then, as the towing boat returns and stops, the winding roller is rotated, so that the oil pipe is squeezed by the winding roller and the pressure roller to complete the recovery of the remaining oil in the pipe into the oil storage bag; finally, the oil pipe is removed to complete the recovery of the remaining oil in the pipe, effectively avoiding waste; the device has a simple structure, and can complete the recovery of the remaining oil in the pipe more conveniently and efficiently.

[0014] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0016] Figure 2 Schematic diagram of the structure of the oil storage bag in the embodiment of the present utility model.

[0017] In the figure: 1-oil storage bag, 2-support frame, 3-oil pipeline, 4-oil inlet, 5-rolling assembly, 6-winding roller, 7-pressing roller, 8-winding groove, 9-convex part, 10-rotating rod, 11-frame, 12-towing boat, 13-anti-collision airbag, 14-oil drain port, 15-valve, 16-one-way air release valve, 17-hanging ring, 18-rotating handle. DETAILED DESCRIPTION

[0018] In order to make the above features and advantages of the present invention more obvious and easy to understand, embodiments are given below with reference to the accompanying drawings for detailed description.

[0019] like Figures 1 and 2 As shown, the pipeline residual oil recovery device includes an oil storage bag 1. The bottom of the oil storage bag is fixedly provided with a ring-shaped support frame 2 for being erected in a towing boat 12. The oil storage bag can be placed on the towing boat or float on the sea and towed by the towing boat. The top of the oil storage bag is provided with an oil inlet 4 for an external oil pipeline 3. The other end of the oil pipeline is squeezed into the oil storage bag through a rolling assembly 5 to squeeze the residual oil in the pipe. The rolling assembly is composed of two rotating and meshing winding rollers 6 and a pressure roller 7. The oil pipeline passes between the winding roller and the pressure roller.

[0020] In the embodiment of the present utility model, in order to ensure that the residual oil in the oil pipeline is recovered and reused to avoid waste, the winding roller is provided with a winding groove 8 along its circumference, and the pressing roller is provided with a convex portion 9 along its outer circumference for extending into and cooperating with the winding groove to squeeze the oil pipeline, thereby ensuring stable extrusion while preventing the oil pipeline from falling out from the side.

[0021] In an embodiment of the present utility model, both ends of the winding roller and the pressure roller are rotatably connected to a frame 11 via a rotating rod 10. The frame is set on the shore or on a winch on the shore. The rotating rod is rotatably connected to the frame via a bearing. A rotating handle 18 is fixed to the outside of the rotating rod at one end of the winding roller.

[0022] In the embodiment of the present invention, in order to prevent the edge of the oil storage bag from hitting the towing boat and causing damage, the oil storage bag is fixed with an annular anti-collision airbag 13 along its outer periphery.

[0023] In the embodiment of the present invention, in order to facilitate the subsequent collection and reuse of oil in the oil storage bag, an oil discharge port 14 is opened near the bottom of the oil storage bag and is closed by a valve 15.

[0024] In the embodiment of the present invention, in order to prevent the oil storage bag from bursting due to excessive internal pressure, a one-way air release valve 16 is provided on the top of the oil storage bag to discharge the internal gas when the oil storage bag is filled to a certain pressure.

[0025] In the embodiment of the present invention, in order to facilitate the towing or installation of the oil storage bag, a hanging ring 17 for connecting a sling or a hook is fixed on the oil storage bag.

[0026] The working principle of the embodiment of the utility model is as follows: after the oil pipeline arrives at the refueling position after being towed and refueling is completed, the oil inlet end of the oil pipeline is closed for oil filling, and the oil outlet end is connected to the oil storage bag, the oil inlet end is removed and inserted between the winding roller and the pressure roller, and is wound around and extended out, and then as the towing boat returns and stops, the winding roller is rotated, so that the oil pipeline is squeezed by the winding roller and the pressure roller to complete the recovery of the remaining oil in the pipeline into the oil storage bag, and finally the oil pipeline is removed to complete the recovery of the remaining oil in the pipeline, effectively avoiding waste.

[0027] The present invention is not limited to the above-mentioned best embodiment. Anyone can derive other forms of pipeline residual oil recovery devices based on the inspiration of the present invention. All equivalent changes and modifications made within the scope of the patent application of the present invention shall fall within the scope of the present invention.

Claims

1. A pipeline residual oil recovery device, including an oil storage bag, is characterized by: A ring-shaped support frame is fixedly provided at the bottom of the oil storage bag for being erected in the towing boat, and an oil inlet for an external oil pipeline is opened at the top of the oil storage bag. The other end of the oil pipeline squeezes the remaining oil in the pipeline into the oil storage bag through a rolling assembly. The rolling assembly is composed of two rotating and meshing winding rollers and a pressing roller, and the oil pipeline passes between the winding roller and the pressing roller.

2. The pipeline residual oil recovery device according to claim 1, characterized in that: The winding roller is provided with a winding groove inwardly along its circumference, and the pressing roller is provided with a convex portion along its outer circumference for extending into and cooperating with the winding groove to squeeze the oil pipeline.

3. The pipeline excess oil recovery device according to claim 1 or 2, characterized in that: Both ends of the winding roller and the pressing roller are rotatably connected to a frame via a rotating rod, and a rotating handle is fixedly connected to the outside of the rotating rod at one end of the winding roller.

4. The pipeline residual oil recovery device according to claim 1, characterized in that: The oil storage bag is fixedly provided with an annular anti-collision air bag along the outer periphery thereof.

5. The pipeline residual oil recovery device according to claim 1, characterized in that: An oil discharge port is provided near the bottom of the oil storage bag and is closed by a valve.

6. The pipeline residual oil recovery device according to claim 1, characterized in that: A one-way air release valve is provided on the top of the oil storage bag.

7. The pipeline residual oil recovery device according to claim 1, characterized in that: The oil storage bag is fixedly provided with a hanging ring for connecting a hanging rope or a hook.

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