External oil coating equipment for petroleum pipeline

Abstract

The utility model discloses a petroleum pipeline external oiling device which comprises a first conveying mechanism, an oiling box and a second conveying mechanism, the first conveying mechanism is arranged on one side of the inlet end of the oiling box, the second conveying mechanism is arranged on one side of the outlet end of the oiling box, and a rolling supporting component is arranged in the oiling box. The anti-rust oil coating device relates to the technical field of petroleum pipeline protection, anti-rust oil is evenly sprayed on the outer wall of a pipeline through the annular oil spraying mechanism, the anti-rust oil is further evenly smeared on the outer wall of the pipeline through the wrapping type coating mechanism, oil coating coverage is more even and comprehensive, and the anti-rust oil coating device is high in practicability. And the oiled pipeline further passes through the position of the hot air drying mechanism, grease on the outer wall of the pipeline is rapidly dried and cured under the action of hot air, the oiled pipeline is driven by the second conveying mechanism to move out to the outer side of the oil coating box, and automatic coating operation of the anti-rust oil on the outer wall of the petroleum pipeline is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to petroleum pipeline protection technical field, concretely is a petroleum pipeline external oiling equipment. BACKGROUND

[0002] After petroleum pipeline production, in order to avoid its outer tube oxidation rust, all will be sprayed with a layer of antirust oil on the outer layer of petroleum pipeline, and the existing spraying mode is artificial brushing or using a spray gun to spray the pipe outer surface, but the above operation mode is low in efficiency, and antirust oil splashes everywhere in the brushing or spraying process, leading to poor working environment of workers. In order to solve the above technical problems, the Chinese patent application with the application number of 201710919681.5 discloses a petroleum pipeline external oiling equipment, which adopts a combined design, realizes automatic control from pipe conveying to pipe oil spraying to pipe oil spraying and then to pipe surface code spraying, reduces the labor intensity of workers, and improves production efficiency, but the equipment adopts an annular oil spraying structure design, and the oil spraying amount is large, and the excess oil flows downward along the petroleum pipe wall by gravity, which is easy to form oil marks on the pipe wall. In addition, the normal temperature air drying takes a long time, which affects the working efficiency of the entire oiling operation. In view of the above problems, the present case is produced after in-depth research. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a petroleum pipeline external oiling equipment, which solves the problems proposed in the background art.

[0004] To achieve the above purpose, the utility model realizes the following technical scheme: a petroleum pipeline external oiling equipment, comprising a first conveying mechanism, an oiling tank and a second conveying mechanism, the first conveying mechanism is arranged on one side of the inlet end of the oiling tank, the second conveying mechanism is arranged on one side of the outlet end of the oiling tank, a rolling support member is arranged in the oiling tank, an annular oil spraying mechanism is arranged on one side of the rolling support member, a cladding type coating mechanism is arranged on one side of the annular oil spraying mechanism, and a hot air drying mechanism is arranged on one side of the cladding type coating mechanism.

[0005] The cladding type coating mechanism comprises an annular frame and a plurality of elastic support members arranged in the circumferential direction in the annular frame, and an arc-shaped brush is mounted at one end of each elastic support member.

[0006] The elastic support member comprises a support arm, a swing arm, a U-shaped frame and a compression spring, the support arm is fixedly arranged on the side wall of the annular frame in an annular array, one end of the swing arm is rotatably connected with the support arm, the U-shaped frame is arranged on one end of the swing wall, one end of the compression spring is connected with the support arm, and the other end of the compression spring is connected with the swing arm, and the arc-shaped brush is fixedly mounted on the U-shaped frame.

[0007] The annular oil spraying mechanism comprises an annular oil spraying pipe, an oil storage tank, a booster pump and an oil collecting tray, the annular oil spraying pipe is arranged in the oiling tank, a plurality of nozzles are arranged on the inner wall of the annular oil spraying pipe in an annular array, the oil storage tank is arranged below the oiling tank, the booster pump is connected with the oil storage tank at the liquid inlet end and connected with the annular oil spraying pipe at the liquid outlet end through a connecting pipe, and the oil collecting tray is arranged below the annular oil spraying pipe and the arc-shaped brush and connected with the oil storage tank through a vertical pipe.

[0008] The hot air drying mechanism comprises a heating silo, an annular air injection pipe, a blower and a heater, the heating silo is arranged in the oiling tank, the annular air injection pipe is arranged at both ends of the heating silo, air outlets are arranged on the inner wall of the annular air injection pipe in an annular array, the blower is arranged outside the oiling tank, the heater is arranged at the air outlet end of the blower, and the air outlet end of the heater is communicated with the annular air injection pipe through an air supply pipe.

[0009] The inner wall of the heating silo is attached with heating wires, and the heating wires are located between the annular air injection pipes.

[0010] The rolling support member comprises a fixed shaft and a support groove wheel, the fixed shaft is rotatably arranged in the oiling tank, and the support groove wheel is fixedly sleeved on the fixed shaft.

[0011] The oiling tank is provided with an illuminating lamp, and a transparent observation window is arranged on the front wall surface of the oiling tank.

[0012] The petroleum pipeline external oiling equipment has the following beneficial effects: the petroleum pipeline external oiling equipment sends one end of the petroleum pipeline into the oiling tank by the first conveying mechanism, provides temporary support for the petroleum pipeline by the rolling support member, and further moves forward under the pushing action of the first conveying mechanism; in the movement process, the annular oil spraying mechanism uniformly sprays rust-proof oil on the outer wall of the pipeline, and the coating type coating mechanism uniformly applies the rust-proof oil on the outer wall of the pipeline, so that the oiling coverage is more uniform and comprehensive; the pipeline after oiling further passes through the hot air drying mechanism position, and the oil on the outer wall of the pipeline is rapidly dried and solidified under the action of hot air; the pipeline after oiling further enters the second conveying mechanism, and is moved out to the outside of the oiling tank under the driving action of the second conveying mechanism, so that the automatic coating operation of the rust-proof oil on the outer wall of the petroleum pipeline is realized. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a front view structural schematic diagram of the petroleum pipeline external oiling equipment.

[0014] Figure 2 It is an axonometric structural schematic diagram of the coating type coating mechanism.

[0015] Figure 3 The utility model discloses Figure 1 The partial enlarged structure schematic diagram of a position.

[0016] In the figure: 1, first conveying mechanism, 2, oiling tank, 3, second conveying mechanism, 4, annular frame, 5, arc brush, 6, support arm, 7, swing arm, 8, U-shaped frame, 9, compression spring, 10, annular oil injection pipe, 11, oil storage tank, 12, booster pump, 13, oil collection tray, 14, heating silo, 15, annular air injection pipe, 16, air blower, 17, heater, 18, heating wire, 19, fixed shaft, 20, support grooved wheel, 21, illuminating lamp. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0018] Embodiment: combine with the attached drawings of the specification Figures 1-3It can be known that the petroleum pipeline external oiling equipment is specifically designed, which comprises a first conveying mechanism 1, an oiling tank 2 and a second conveying mechanism 3. The first conveying mechanism 1 is arranged at one side of the inlet end of the oiling tank 2, the second conveying mechanism is arranged at one side of the outlet end of the oiling tank 2, a rolling support member is arranged in the oiling tank 2, an annular oil spraying mechanism is arranged at one side of the rolling support member, a cladding type coating mechanism is arranged at one side of the annular oil spraying mechanism, and a hot air drying mechanism is arranged at one side of the cladding type coating mechanism. The rolling support member comprises a fixed shaft 19 and a support groove wheel 20. The fixed shaft 19 is rotatably arranged in the oiling tank 2, and the support groove wheel 20 is fixedly sleeved on the fixed shaft 19. The cladding type coating mechanism comprises an annular frame 4 and elastic support members arranged in the annular frame 4 in the circumferential direction. An arc-shaped brush 5 is mounted at one end of the elastic support member. The elastic support member comprises a support arm 6, a swing arm 7, a U-shaped frame 8 and a compression spring 9. The support arm 6 is fixedly arranged on the side wall of the annular frame 4 in an annular array. One end of the swing arm 7 is rotatably connected with the support arm 6. The U-shaped frame 8 is arranged at one end of the swing wall. One end of the compression spring 9 is connected with the support arm 6, and the other end is connected with the swing arm 7. The arc-shaped brush 5 is fixedly mounted on the U-shaped frame 8. The petroleum pipeline external oiling equipment utilizes the first conveying mechanism 1 to send one end of the petroleum pipeline into the oiling tank 2, and utilizes the rolling support member to provide temporary support for the petroleum pipeline. The petroleum pipeline further moves forward under the pushing action of the first conveying mechanism 1. In the movement process, the annular oil spraying mechanism is utilized to uniformly spray rust-proof oil on the outer wall of the pipeline, and the cladding type coating mechanism is further utilized to uniformly smear the rust-proof oil on the outer wall of the pipeline. The swing arm 7 is kept in a downward overturning trend under the elastic support action of the compression spring 9, so that the arc surface part of the arc-shaped brush 5 at one end of the U-shaped frame 8 directly contacts with the outer wall of the pipeline, the oiling coverage is more uniform and comprehensive, the oil liquid can be effectively prevented from forming a flowing trace on the pipe wall, the pipeline after oiling further passes through the position of the hot air drying mechanism, the oil on the outer wall of the pipeline is rapidly dried and solidified under the action of hot air, the pipeline after oiling further enters the second conveying mechanism 3, and is moved out to the outside of the oiling tank 2 under the driving action of the second conveying mechanism 3, so as to realize automatic coating of the rust-proof oil on the outer wall of the petroleum pipeline.

[0019] In the specific implementation process, as the preferred setting, the annular oil injection mechanism comprises an annular oil injection pipe 10, an oil storage tank 11, a booster pump 12 and an oil collecting tray 13, the annular oil injection pipe 10 is arranged in the oiling tank 2, a plurality of nozzles are arranged on the inner wall of the annular oil injection pipe 10 in an annular array, the oil storage tank 11 is arranged below the oiling tank 2, the booster pump 12 is connected with the oil storage tank 11 at the liquid inlet end and connected with the annular oil injection pipe 10 at the liquid outlet end through a connecting pipe, and the oil collecting tray 13 is arranged below the annular oil injection pipe 10 and the arc-shaped brush 5 and connected with the oil storage tank 11 through a vertical pipe. In use, the booster pump 12 is started, the anticorrosive oil in the oil storage tank 11 is pumped out by the booster pump 12, pressurized and injected into the annular oil injection pipe 10 through the connecting pipe, the anticorrosive oil is further sprayed onto the outer wall of the oil pipeline through the nozzles on the inner side arc surface of the annular oil injection pipe 10, and the excess oil flows into the oil collecting tray 13 below to be collected and further flows back to the oil storage tank 11 under the action of gravity.

[0020] In the specific implementation process, as the preferred setting, the hot air drying mechanism comprises a heating cylinder bin 14, an annular air injection pipe 15, a blower 16 and a heater 17, the heating cylinder bin 14 is arranged in the oiling tank 2, the annular air injection pipe 15 is arranged at both ends of the heating cylinder bin 14, air outlets are arranged on the inner wall surface of the annular air injection pipe 15 in an annular array, the blower 16 is arranged outside the oiling tank 2, and the heater 17 is arranged at the air outlet end of the blower 16. The air outlet end of the heater 17 is communicated with the annular air injection pipe 15 through an air supply pipe. The blower 16 sucks external air and injects it into the heater 17. The heater 17 heats the air, and the hot air enters the annular air injection pipe 15 through the air supply pipe under the action of air pressure and vertically penetrates the outer wall of the pipeline through the air outlets on the inner wall of the annular air injection pipe 15, so as to accelerate the drying speed of the oil in the pipeline. In addition, heating wires 18 are attached to the inner wall of the heating cylinder bin 14 and located between the annular air injection pipes 15. The arrangement of the heating wires 18 forms a high-temperature zone in the heating cylinder bin 14, so as to further improve the drying efficiency of the oil.

[0021] In the specific implementation process, as the preferred setting, the oiling tank 2 is provided with a lighting lamp 21, and a transparent observation window is arranged on the front side wall of the oiling tank 2, so as to facilitate the operator to observe the oiling operation in time.

[0022] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An external oil coating device for oil pipelines, comprising a first conveying mechanism, an oil coating tank, and a second conveying mechanism, characterized in that, The first conveying mechanism is located on one side of the inlet end of the coating box, and the second conveying mechanism is located on one side of the outlet end of the coating box. A rolling support member is provided inside the coating box. An annular spraying mechanism is provided on one side of the rolling support member. An encapsulation coating mechanism is provided on one side of the annular spraying mechanism. A hot air drying mechanism is provided on one side of the encapsulation coating mechanism. The coating mechanism includes a ring frame and an elastic support member arranged along the circumference inside the ring frame, and an arc-shaped brush is installed at one end of the elastic support member. The elastic support component includes a support arm, a swing arm, a U-shaped frame, and a compression spring. The support arm is fixedly mounted on the side wall of the ring frame along a circular array. One end of the swing arm is rotatably connected to the support arm. The U-shaped frame is mounted on one end of the swing arm. One end of the compression spring is connected to the support arm, and the other end is connected to the swing arm. The arc-shaped brush is fixedly mounted on the U-shaped frame.

2. The oil pipeline external coating equipment according to claim 1, characterized in that, The annular spray mechanism includes an annular spray pipe, an oil reservoir, a booster pump, and an oil collection tray. The annular spray pipe is installed inside the oil coating tank, and several nozzles are arranged in annular array along the inner wall of the annular spray pipe. The oil reservoir is located below the oil coating tank. The inlet end of the booster pump is connected to the oil reservoir, and the outlet end is connected to the annular spray pipe through a connecting pipe. The oil collection tray is located below the annular spray pipe and the arc-shaped brush and is connected to the oil reservoir through a riser pipe.

3. The oil pipeline external coating equipment according to claim 1, characterized in that, The hot air drying mechanism includes a heating chamber, an annular air injection pipe, a blower, and a heater. The heating chamber is located inside the oiling tank. The annular air injection pipe is located at both ends of the heating chamber. Air outlets are arranged in annular array on the inner wall of the annular air injection pipe. The blower is located outside the oiling tank. The heater is located at the air outlet of the blower. The air outlet of the heater is connected to the annular air injection pipe through an air supply pipe.

4. The oil pipeline external coating equipment according to claim 3, characterized in that, The inner wall of the heating silo is fitted with heating wires, which are located between the annular air injection pipes.

5. The oil pipeline external coating equipment according to claim 1, characterized in that, The rolling support component includes a fixed shaft and a support groove wheel. The fixed shaft is rotatably disposed in the oiling tank, and the support groove wheel is fixedly mounted on the fixed shaft.

6. The oil pipeline external coating equipment according to claim 1, characterized in that, The oiling tank is equipped with a light, and a transparent observation window is provided on the front wall of the oiling tank.

Images