High-corrosion-resistance explosion-proof seamless steel pipe for petrochemical pipeline

Abstract

The high-corrosion-resistance explosion-proof seamless steel pipe for the petrochemical pipeline comprises a seamless steel pipe body and an installation pipe, the two ends of the seamless steel pipe body and the two ends of the installation pipe are fixedly connected with connecting flanges, an installation groove is formed in the middle of the installation pipe, and a filtering assembly is arranged in the installation groove. A plurality of first mounting holes are formed in the corners of the top face of the mounting pipe, first limiting assemblies are arranged in the first mounting holes and connected with sliding rods, the sliding rods are fixedly connected to the bottoms of the inner side faces of U-shaped blocks, second limiting assemblies are arranged at the upper ends of the side faces of the U-shaped blocks, and sealing covers are movably arranged at the top ends of the mounting grooves. During use, the sealing cover is limited through the first limiting assembly, and the U-shaped block is limited through the second limiting assembly, so that the filter assembly is convenient to mount and dismount, the filter screen is used for filtering, impurities in petroleum are reduced, and the mounting frame can be conveniently taken out from the mounting groove through the handle.

Description

Technical Field

[0001] The utility model relates to the technical field of petrochemical pipelines, in particular to a highly corrosion-resistant and explosion-proof seamless steel pipe for petrochemical pipelines. Background Art

[0002] Seamless steel pipe is made by perforating a whole round steel bar, without any weld seams on the surface. It is mainly used for petroleum geological drilling pipes, cracking pipes for petrochemicals, boiler tubes, bearing tubes, and high-precision structural steel pipes for automobiles, tractors, and aviation.

[0003] The oil transported in existing petrochemical pipelines contains some impurities, and some pipelines are equipped with filters for filtering. After a certain period of use, the surface of the filter will become clogged and the filter needs to be replaced or cleaned. The two pipelines need to be separated before the filter can be removed, which is time-consuming and labor-intensive. Utility Model Content

[0004] The purpose of the utility model is to provide a highly corrosion-resistant and explosion-proof seamless steel pipe for petrochemical pipelines to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a highly corrosion-resistant and explosion-proof seamless steel pipe for petrochemical pipelines, comprising a seamless steel pipe body and a mounting pipe, wherein both ends of the seamless steel pipe body and the mounting pipe are fixedly connected with connecting flanges, a mounting groove is provided in the middle of the mounting pipe, a filter assembly is provided inside the mounting groove, a plurality of first mounting holes are provided at the corners of the top surface of the mounting pipe, a first limiting assembly is provided inside the first mounting hole, the first limiting assembly is connected to a sliding rod, the sliding rod is fixedly connected to the bottom of the inner side surface of the U-shaped block, a second limiting assembly is provided at the upper end of the side surface of the U-shaped block, and a sealing cover is movably provided at the top of the mounting groove.

[0006] Preferably, the filter assembly includes a mounting frame, which is movably arranged on the inner side of the mounting groove, a filter screen is fixedly connected to the inner side of the mounting frame, a handle is fixedly connected to the middle of the top surface of the filter screen, and the handle abuts against the top wall of the sealing cover.

[0007] Preferably, the first limiting assembly includes a first spring, the first spring is fixedly connected to the bottom of the inner side surface of the first mounting hole, one end of the first spring is fixedly connected to a slider, the side of the slider away from the first spring is fixedly connected to a first limiting rod, one end of the first limiting rod passes through the mounting tube and extends into the mounting groove, a sliding groove is opened on the side of the slider, and the sliding rod is movably arranged on the inner side of the sliding groove.

[0008] Preferably, the second limiting assembly includes a second mounting hole, which is opened at the upper end of the side of the U-shaped block, a second spring is fixedly connected to one side of the second mounting hole, and a second limiting rod is fixedly connected to one end of the second spring.

[0009] Preferably, a plurality of first limiting holes are provided at the top corners of the left and right sides of the mounting tube, and a plurality of second limiting holes are provided at both ends of the left and right sides of the sealing cover.

[0010] Preferably, an anti-corrosion layer is provided on the inner surface of the seamless steel pipe body, an anti-rust layer is provided on the outer surface of the seamless steel pipe body, and a reinforcement layer is provided on the surface of the anti-rust layer.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] When the utility model is in use, the sealing cover is inserted into the installation groove, the sealing cover is pressed to squeeze the sealing ring so that the sealing cover is flush with the top surface of the installation pipe, the sealing cover is limited by the first limiting component, and the second limiting component limits the U-shaped block, so that the filter assembly is easy to install and disassemble, and the filter is filtered through the filter screen to reduce impurities in the petroleum, and the mounting bracket is easily taken out from the installation groove through the handle. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the cross-sectional structure of the installation pipe of the present utility model;

[0015] Figure 3 This is a schematic diagram of a partial cross-sectional structure of the installation pipe of the present utility model;

[0016] Figure 4 This is a schematic diagram of the cross-sectional structure of the U-shaped block of the present invention.

[0017] In the figure: 1. Seamless steel pipe body; 2. Mounting pipe; 3. Connecting flange; 4. Mounting slot; 5. Filter assembly; 51. Mounting frame; 52. Filter screen; 53. Handle; 6. First mounting hole; 7. First limiting assembly; 71. First spring; 72. Slider; 73. First limiting rod; 74. Slide slot; 8. Slider; 9. U-shaped block; 10. Second limiting assembly; 101. Second mounting hole; 102. Second spring; 103. Second limiting rod; 11. Sealing cover; 12. First limiting hole; 13. Second limiting hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-4 The utility model provides a technical solution: a highly corrosion-resistant and explosion-proof seamless steel pipe for petrochemical pipelines, comprising a seamless steel pipe body 1, a mounting pipe 2, connecting flanges 3 welded to the seamless steel pipe body 1 and both ends of the mounting pipe 2, a mounting groove 4 opened in the middle of the mounting pipe 2, a filter assembly 5 installed inside the mounting groove 4, a plurality of first mounting holes 6 opened at the corners of the top surface of the mounting pipe 2, a first limiting assembly 7 installed inside the first mounting hole 6, a sliding rod 8 installed at the bottom of the inner side of a U-shaped block 9 by bolts, a second limiting assembly 10 installed at the upper end of the side of the U-shaped block 9, and a sealing cover 11 movably installed at the top of the mounting groove 4.

[0020] The filter assembly 5 includes a mounting frame 51, which is movably mounted on the inner side of the mounting groove 4. The filter screen 52 is mounted on the inner side of the mounting frame 51 by bolts. The handle 53 is welded to the middle of the top surface of the filter screen 52, and the handle 53 abuts against the top wall of the sealing cover 11.

[0021] The first limiting assembly 7 includes a first spring 71, the first spring 71 is welded to the bottom of the inner side of the first mounting hole 6, the slider 72 is welded to one end of the first spring 71, the first limiting rod 73 is installed on the side of the slider 72 away from the first spring 71 by a bolt, one end of the first limiting rod 73 passes through the mounting tube 2 and extends into the mounting groove 4, the slide groove 74 is opened on the side of the slider 72, and the slide rod 8 is movably installed inside the slide groove 74.

[0022] The second limiting assembly 10 includes a second mounting hole 101 , which is opened at the upper end of the side of the U-shaped block 9 , a second spring 102 is welded to one side inside the second mounting hole 101 , and a second limiting rod 103 is welded to one end of the second spring 102 .

[0023] A plurality of first limiting holes 12 are formed at the top corners of the left and right sides of the mounting tube 2 , and a plurality of second limiting holes 13 are formed at both ends of the left and right sides of the sealing cover 11 .

[0024] The inner surface of the seamless steel pipe body 1 is coated with an anti-corrosion layer, which improves the corrosion resistance of the seamless steel pipe body 1. The outer surface of the seamless steel pipe body 1 is coated with an anti-rust layer, which improves the rust resistance of the seamless steel pipe body 1. A reinforcement layer is installed on the surface of the anti-rust layer, which increases the strength of the seamless steel pipe body 1.

[0025] Working principle: When the utility model is in use, a sealing ring is placed on the connecting flange 3 between the seamless steel pipe body 1 and the mounting pipe 2, the two connecting flanges 3 are connected by fixing bolts, the mounting frame 51 is inserted into the mounting groove 4, a sealing ring is placed at the bottom of the mounting groove 4, the sealing cover 11 is inserted into the mounting groove 4, the sealing cover 11 is pressed to squeeze the sealing ring so that the sealing cover 11 is flush with the top surface of the mounting pipe 2, at this time the first limiting rod 73 is aligned with the second limiting hole 13, the U-shaped block 9 is pressed downward, so that the slide rod 8 pushes the first limiting rod 73 on one side of the slider 72 to extend into the second limiting hole 13, thereby limiting the sealing cover 11 Under the action of the second spring 102, the second limiting rod 103 pops out into the first limiting hole 12, thereby limiting the U-shaped block 9, pressing the second limiting rod 103 to the second mounting hole 101, thereby releasing the limitation of the U-shaped block 9, and under the action of the first spring 71, the slider 72 drives the first limiting rod 73 away from the second limiting hole 13, thereby releasing the limitation of the sealing cover 11, making it easy to install and disassemble the filter assembly 5, filtering through the filter mesh 52 to reduce impurities in the petroleum, and facilitating the removal of the mounting bracket 51 from the mounting groove 4 through the handle 53. This utility model has the advantages of easy use and good use effect.

[0026] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A highly corrosion-resistant and explosion-proof seamless steel pipe for petrochemical pipelines, comprising a seamless steel pipe body (1) and an installation pipe (2), characterized in that: Both ends of the seamless steel pipe body (1) and the mounting pipe (2) are fixedly connected with connecting flanges (3); a mounting groove (4) is provided in the middle of the mounting pipe (2); a filter assembly (5) is provided inside the mounting groove (4); a plurality of first mounting holes (6) are provided at the corners of the top surface of the mounting pipe (2); a first limiting assembly (7) is provided inside the first mounting hole (6); the first limiting assembly (7) is connected with a slide rod (8); the slide rod (8) is fixedly connected to the bottom of the inner side surface of the U-shaped block (9); a second limiting assembly (10) is provided at the upper end of the side surface of the U-shaped block (9); and a sealing cover (11) is movably provided at the top of the mounting groove (4).

2. The highly corrosion-resistant and explosion-proof seamless steel pipe for petrochemical pipelines according to claim 1, characterized in that: The filter assembly (5) comprises a mounting frame (51), the mounting frame (51) being movably arranged inside the mounting groove (4), a filter screen (52) being fixedly connected to the inner side surface of the mounting frame (51), a handle (53) being fixedly connected to the middle portion of the top surface of the filter screen (52), and the handle (53) being in contact with the top wall of the sealing cover (11).

3. The highly corrosion-resistant and explosion-proof seamless steel pipe for petrochemical pipelines according to claim 1, characterized in that: The first limiting assembly (7) includes a first spring (71), the first spring (71) is fixedly connected to the bottom of the inner side of the first mounting hole (6), one end of the first spring (71) is fixedly connected to a slider (72), the slider (72) is fixedly connected to a first limiting rod (73) on the side away from the first spring (71), one end of the first limiting rod (73) passes through the mounting tube (2) and extends into the mounting groove (4), a sliding groove (74) is provided on the side of the slider (72), and the sliding rod (8) is movably arranged on the inner side of the sliding groove (74).

4. The highly corrosion-resistant and explosion-proof seamless steel pipe for petrochemical pipelines according to claim 1, characterized in that: The second limiting assembly (10) comprises a second mounting hole (101), the second mounting hole (101) being opened at the upper end of the side surface of the U-shaped block (9), a second spring (102) being fixedly connected to one side of the interior of the second mounting hole (101), and a second limiting rod (103) being fixedly connected to one end of the second spring (102).

5. The highly corrosion-resistant and explosion-proof seamless steel pipe for petrochemical pipelines according to claim 1, characterized in that: A plurality of first limiting holes (12) are provided at the top corners of the left and right sides of the installation tube (2), and a plurality of second limiting holes (13) are provided at both ends of the left and right sides of the sealing cover (11).

6. The highly corrosion-resistant and explosion-proof seamless steel pipe for petrochemical pipelines according to claim 1, characterized in that: The inner surface of the seamless steel pipe body (1) is provided with an anti-corrosion layer, the outer surface of the seamless steel pipe body (1) is provided with an anti-rust layer, and the surface of the anti-rust layer is provided with a reinforcement layer.

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