Mechanism for cleaning inner wall of methane conveying pipeline

Abstract

The utility model relates to the field of pipeline inner wall cleaning, and discloses a methane conveying pipeline inner wall cleaning mechanism which comprises a connecting hose, the bottom end of the connecting hose is fixedly connected with a connecting hard pipe, the bottom end of the connecting hard pipe is fixedly connected with a connector, the bottom end of the connector is fixedly connected with a jet head, an air hole is formed in the jet head, and the air hole is communicated with the connecting hard pipe. A storage assembly is fixedly connected to the peripheral face of the connecting hard pipe and used for storing a surfactant, a conveying pipe is arranged on the ground of the storage assembly, and an active agent channel is formed in each of the connector and the jet head. According to the device disclosed by the utility model, the storage drum, the delivery pump and the delivery surfactant are arranged, and the surfactant is intersected on the central axis of the jet head through the axis of the surfactant channel, so that the surfactant is uniformly distributed in the compressed air under the kinetic energy of the compressed air, and the surfactant is uniformly smeared on the inner wall of the methane delivery pipeline; and softening sediments on the inner wall of the pipeline.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline inner wall cleaning field especially relates to a methane conveying pipeline inner wall cleaning mechanism. BACKGROUND

[0002] Oil and gas pipeline is the main equipment of oil and natural gas transportation, from the construction to the pipeline production operation, until the pipeline stops conveying, the pigging operation is throughout, and the pipeline cleaning is the important link of guaranteeing the normal production and operation of the pipeline.

[0003] The pipeline cleaning is divided into chemical cleaning and physical cleaning, and the chemical cleaning can cause the corrosion to the pipeline material, and also can cause the pollution to the environment. Along with the continuous progress of science and technology, people begin to explore the physical sedimentation method to clean the deposits in the oil and gas pipeline.

[0004] In the physical sedimentation method, in order to quickly and conveniently strip the deposits in the methane conveying pipeline from the pipeline inner wall, the surface active agent is usually added in the conveying pipeline at present, then the compressed air is input into the methane conveying pipeline by using the pneumatic pump, the surface active agent is moved from one end to the other end of the conveying pipeline by using the compressed air, the surface active agent is combined with the deposits on the pipeline inner wall, the deposits are loosened, then the deposits are washed down by using the high-pressure water flow, and the deposits are separated by using the water flow to enter the settler. Under the current technology, although the high-pressure air can push the surface active agent to advance, the surface active agent cannot be fully mixed with the high-pressure air, and the surface active agent cannot be added at a uniform speed with the high-pressure air, and the surface active agent is gradually reduced with the pushing of the high-pressure air, so that the surface active agent received by the rear-end pipeline is too little, and therefore the methane conveying pipeline inner wall cleaning mechanism is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] In order to make up for the above shortcomings, the utility model provides a methane conveying pipeline inner wall cleaning mechanism, which aims at improving the problem that the surface active agent gradually reduces with the pushing of the high-pressure air in the prior art.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a methane conveying pipeline inner wall cleaning mechanism, including connecting hose, the connecting hose bottom fixed connection has the connecting hard pipe, the connecting hard pipe bottom fixed connection has the connector, the connector bottom fixed connection has the air jet head, the air jet head inside is provided with the air hole, the connecting hard pipe outer periphery fixed connection has the storage assembly, the storage assembly is used to store surface active agent, the storage assembly ground is provided with the transmission pipe, the connector and air jet head inside all are provided with active agent channel, the transmission pipe bottom is connected with active agent channel through the delivery pump, the connecting hard pipe outer periphery is provided with the limit recess, the limit recess side inner wall fixed connection has the limit buckle.

[0007] As further description of the above technical scheme:

[0008] The connector outer periphery is provided with the thread groove, the thread groove outer periphery is connected with the thread connecting piece, the thread connecting piece inside is provided with the through groove, the thread connecting piece bottom fixed connection has the rotary round block, the rotary round block inboard contact has the inclined surface lug, the inclined surface lug inside is provided with the limit slot, the limit slot inboard is connected with the limit block through the limit spring elasticity, the limit block inboard fixed connection has the plug.

[0009] As further description of the above technical scheme:

[0010] The storage assembly includes the storage drum, the storage drum inboard fixed connection is at the outer periphery of connecting hard pipe, the storage drum top is provided with the feeding valve, and the storage drum bottom is provided at the top of the transmission pipe.

[0011] As further description of the above technical scheme:

[0012] The active agent channel inside the air jet head is provided with several groups, and the axis of the several groups of active agent channels is extended downward to a point and located on the central axis of the air hole.

[0013] As further description of the above technical scheme:

[0014] The transmission pipe outer periphery is clamped in the inside of the limit buckle.

[0015] As further description of the above technical scheme:

[0016] The inclined surface lug outer periphery sliding connection is in the inside of the through groove, and the inclined surface lug inboard fixed connection is at the outer periphery of the air jet head.

[0017] As further description of the above technical scheme:

[0018] One end of the limiting spring is fixedly connected to the inner side of the limiting groove, the other end of the limiting spring is fixedly connected to the inner side of the limiting block, and the limiting block is slidably connected to the inside of the limiting groove.

[0019] As a further description of the above technical solution:

[0020] The inner side of the rotating circular block and the outer side of the inclined convex block are both provided with inclined surfaces, the outer side of the limiting block is in contact with the inner side inclined surface of the rotating circular block, and the inner side inclined surface of the rotating circular block is matched with the outer side inclined surface of the inclined convex block.

[0021] As a further description of the above technical solution:

[0022] The plug is slidably connected to the inside of the air injection head, one end of the inner side of the plug is provided with a curved surface, and the one end of the inner side of the plug is in contact with the inner wall of the active agent channel.

[0023] The utility model has the following beneficial effects:

[0024] 1、 the utility model discloses a storage drum, conveying pump are set up to surface active agent is delivered to active agent channel, then the central axis of air injection head is met on the axis of active agent channel through the axis of active agent channel, makes surface active agent under the kinetic energy of compressed air evenly distribute in compressed air, thereby evenly spreads surface active agent on the inner wall of methane conveying pipeline, and the deposit of pipeline inner wall is softened.

[0025] 2、 the utility model discloses a threaded connection, limiting spring, limiting block are set up, and the telescopic amount of plug in the inside of active agent channel can be conveniently adjusted by rotating the rotating circular block, and the size of active agent channel is adjusted, thereby conveniently adjusting the conveying amount of surface active agent. DETAILED DESCRIPTION

[0026] Figure 1 It is an overall front view schematic diagram of the methane conveying pipeline inner wall cleaning mechanism.

[0027] Figure 2 It is an air injection head front cross-sectional view schematic diagram of the methane conveying pipeline inner wall cleaning mechanism.

[0028] Figure 3 It is an air injection head front cross-sectional view schematic diagram of the methane conveying pipeline inner wall cleaning mechanism. Figure 2 of the utility model.

[0029] LEGEND:

[0030] 1, connecting hose; 2, connecting hard pipe; 3, connecting head; 4, jet head; 5, air hole; 6, storage drum; 7, feeding valve; 8, transmission pipe; 9, conveying pump; 10, active agent channel; 11, limiting groove; 12, limiting buckle; 13, threaded groove; 14, threaded connecting piece; 15, through groove; 16, rotating circular block; 17, inclined surface protrusion; 18, limiting groove; 19, limiting spring; 20, limiting block; 21, plug. DETAILED DESCRIPTION

[0031] 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 labor fall within the protection scope of the utility model.

[0032] With reference to Figures 1-2 An embodiment provided by the utility model: a kind of methane conveying pipeline inner wall cleaning mechanism, connecting hose 1 is connected with inflation pump by thread or buckle, connecting hose 1 bottom end is fixedly connected with the connecting hard pipe 2 of fixed connection, connecting hard pipe 2 bottom end is fixedly connected with connecting head 3, connecting head 3 bottom end is fixedly connected with jet head 4, air hole 5 for facilitating compressed air passing is set in the inside of jet head 4, storage assembly is fixedly connected on the outer periphery of connecting hard pipe 2, and storage assembly is used to store surface active agent, and storage assembly includes storage drum 6 for storing surface active agent, and storage drum 6 inside is fixedly connected on the outer periphery of connecting hard pipe 2, and storage drum 6 top end is provided with feeding valve 7 for facilitating feeding to the inside, and storage assembly ground is provided with transmission pipe 8 for facilitating transmission of surface active agent, and transmission pipe 8 is provided with multiple groups, and is evenly distributed in the bottom of storage drum 6, and the bottom of storage drum 6 is arranged at the top of transmission pipe 8, and the inside of connecting head 3 and jet head 4 is all set with active agent channel 10 for facilitating the conveying of surface active agent, and the inside of jet head 4 is provided with several groups of active agent channel 10, and several groups of active agent channel 10 are equidistantly distributed in the inside of jet head 4 along the taper surface, and the axis of several groups of active agent channel 10 is extended downward and intersects at a point and is located on the central axis of air hole 5, when surface active agent is conveyed outward from active agent channel 10, can be simultaneously pushed outward by compressed air, and is fully mixed with compressed air, and the bottom of transmission pipe 8 is connected with active agent channel 10 by conveying pump 9, and conveying pump 9 can convey the surface active agent in the inside of storage drum 6 to the outside, and the outer periphery of connecting hard pipe 2 is set with limiting groove 11, and limiting buckle 12 is fixedly connected on the side inner wall of limiting groove 11, and limiting buckle 12 is provided with several groups, and each group of limiting buckle 12 corresponds to a group of transmission pipe 8, and transmission pipe 8 is clamped in the inside of limiting buckle 12, and limiting buckle 12 prevents transmission pipe 8 from moving when in use.

[0033] With reference to Figures 2-3 The outer periphery of the connecting head 3 is provided with a threaded groove 13, and a threaded connecting piece 14 is threadedly connected to the outer periphery of the threaded groove 13. The threaded connecting piece 14 can slide up and down on the outer periphery of the connecting head 3 by rotating the threaded connecting piece 14. The threaded connecting piece 14 is internally provided with a through groove 15. The bottom end of the threaded connecting piece 14 is fixedly connected with a rotating circular block 16 for facilitating rotation of the threaded connecting piece 14. The inner side of the rotating circular block 16 is in contact with a beveled protrusion 17. The outer side of the beveled protrusion 17 and the inner side of the rotating circular block 16 are both provided with bevels. The inner side bevel of the rotating circular block 16 is adapted to the outer side bevel of the beveled protrusion 17. When the rotating circular block 16 moves downward, a gap is formed between the beveled protrusion 17 and the rotating circular block 16. The outer periphery of the beveled protrusion 17 is slidingly connected to the inside of the through groove 15. The inner side of the beveled protrusion 17 is fixedly connected to the outer periphery of the jet head 4. The inside of the beveled protrusion 17 is provided with a limiting groove 18. The inner side of the limiting groove 18 is elastically connected with a limiting block 20 through a limiting spring 19. When the limiting block 20 is not under stress, the limiting spring 19 will push the limiting block 20 outward. One end of the limiting spring 19 is fixedly connected to the inner side of the limiting groove 18. The other end of the limiting spring 19 is fixedly connected to the inner side of the limiting block 20. The outer periphery of the limiting block 20 is slidingly connected to the inside of the limiting groove 18. The limiting groove 18 limits the limiting block 20 to slide only along the inner wall of the limiting groove 18. The outer side of the limiting block 20 is in contact with the inner side bevel of the rotating circular block 16. The downward movement of the rotating circular block 16 can cause the limiting block 20 to move outward. The inner side of the limiting block 20 is fixedly connected with a plug 21. The outer periphery of the plug 21 is slidingly connected to the inside of the jet head 4. The inner side of the plug 21 is provided with a curved surface at one end. The inner side of the plug 21 at one end is in contact with the inner wall of the active agent channel 10. The position of the plug 21 can adjust the size of the active agent channel 10.

[0034] Working principle: when want to push the surface active agent through compressed air conveniently, open the air pump, air pump drive compressed air to move outward, from the jet head 4, while opening the delivery pump 9, the delivery pump 9 drive the surface active agent inside the storage drum 6 downward, through the transmission pipe 8 and active agent channel 10 discharge, while the inside of a plurality of active agent channel 10 of the surface active agent will be simultaneously converged on the central axis of the jet head 4, at this time the compressed air will drive all the surface active agent to move to the pipe inside at the same time, the compressed air with strong kinetic energy will disperse the surface active agent, and the compressed air is fully mixed, then the compressed air in the process of movement, can evenly spread the surface active agent on the inner wall of the methane pipeline, the sediment on the inner wall of the pipeline is softened. When you want to adjust the delivery rate of the surface active agent, turn the rotating block 16, the rotating block 16 drive threaded connection 14 downward, at this time the rotating block 16 and the inclined convex block 17 are separated, at this time the limit spring 19 pushes the limit block 20 outward, the limit block 20 outside slide along the inner wall of the rotating block 16, the limit block 20 simultaneously along the limit slot 18 outward movement, make the plug 21 outward movement, the active agent channel 10 inside appears gap, the surface active agent can be delivered outward, so as to conveniently adjust the delivery rate of the surface active agent.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A methane pipeline inner wall cleaning mechanism comprising a connecting hose (1), characterized in that: The bottom end of the connecting hose (1) is fixedly connected with a connecting hard pipe (2), the bottom end of the connecting hard pipe (2) is fixedly connected with a connecting head (3), the bottom end of the connecting head (3) is fixedly connected with a jet head (4), the jet head (4) is internally provided with a gas hole (5), the outer periphery of the connecting hard pipe (2) is fixedly connected with a storage assembly, the storage assembly is used for storing a surfactant, the ground of the storage assembly is provided with a transmission pipe (8), the interiors of the connecting head (3) and the jet head (4) are both provided with an active agent channel (10), the bottom end of the transmission pipe (8) is connected with the active agent channel (10) through a conveying pump (9), the outer periphery of the connecting hard pipe (2) is provided with a limiting groove (11), and the side inner wall of the limiting groove (11) is fixedly connected with a limiting buckle (12).

2. A methane pipeline inner wall cleaning mechanism according to claim 1, characterized in that: The outer periphery of the connecting head (3) is provided with a threaded groove (13), the threaded groove (13) is externally threadedly connected with a threaded connecting piece (14), the interior of the threaded connecting piece (14) is provided with a through groove (15), the bottom end of the threaded connecting piece (14) is fixedly connected with a rotating circular block (16), the inner side of the rotating circular block (16) is in contact with an inclined convex block (17), the interior of the inclined convex block (17) is provided with a limiting groove (18), the inner side of the limiting groove (18) is elastically connected with a limiting block (20) through a limiting spring (19), and the inner side of the limiting block (20) is fixedly connected with a plug (21).

3. A methane pipeline inner wall cleaning mechanism according to claim 1, characterized in that: The storage assembly comprises a storage drum (6), the inner side of the storage drum (6) is fixedly connected to the outer periphery of the connecting hard pipe (2), the top end of the storage drum (6) is provided with a feeding valve (7), and the bottom end of the storage drum (6) is arranged at the top end of the transmission pipe (8).

4. A methane pipeline inner wall cleaning mechanism according to claim 1, characterized in that: The active agent channels (10) in the jet head (4) are provided in several groups, the active agent channels (10) are equidistantly distributed in the interior of the jet head (4) along a conical surface, the axes of the active agent channels (10) are extended downward to intersect at a point and are located on the central axis of the gas hole (5).

5. A methane pipeline inner wall cleaning mechanism according to claim 1, characterized in that: The transmission pipe (8) is clamped in the interior of the limiting buckle (12).

6. A methane pipeline inner wall cleaning mechanism according to claim 2, characterized in that: The outer periphery of the inclined convex block (17) is slidingly connected in the interior of the through groove (15), and the inner side of the inclined convex block (17) is fixedly connected to the outer periphery of the jet head (4).

7. A methane pipeline inner wall cleaning mechanism according to claim 2, characterized in that: One end of the limiting spring (19) is fixedly connected to the inner side of the limiting groove (18), the other end of the limiting spring (19) is fixedly connected to the inner side of the limiting block (20), and the outer periphery of the limiting block (20) is slidingly connected in the interior of the limiting groove (18).

8. A methane pipeline inner wall cleaning mechanism according to claim 2, characterized in that: The outer side of the inclined convex block (17) and the inner side of the rotating circular block (16) are both provided with inclined surfaces, the outer side of the limiting block (20) is in contact with the inclined surface of the inner side of the rotating circular block (16), and the inclined surface of the inner side of the rotating circular block (16) is matched with the inclined surface of the outer side of the inclined convex block (17).

9. A methane pipeline inner wall cleaning mechanism according to claim 2, characterized in that: The outer periphery of the plug (21) is slidingly connected in the interior of the jet head (4), one end of the inner side of the plug (21) is provided with a curved surface, and the inner side of the plug (21) is in contact with the inner wall of the active agent channel (10).

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