Special-shaped steel pipe with filtering structure for petrochemical engineering

Abstract

The utility model relates to the technical field of petrochemical engineering equipment, and discloses a special-shaped steel pipe with a filtering structure for petrochemical engineering, which comprises a special-shaped steel pipe main body, a connecting flange is fixedly arranged at the front end of the outer wall of the special-shaped steel pipe main body, and a clamping groove is arranged at the front end of the inner wall of the special-shaped steel pipe main body. A filtering assembly is arranged at the position, located at the clamping groove, of the front end of the inner wall of the special-shaped steel pipe main body, the filtering assembly comprises a rapid disassembly and assembly fixing assembly, and a first filtering net is fixedly installed on the left side wall face of the rapid disassembly and assembly fixing assembly. A first filter screen and a second filter screen on the filter assembly can play a role in filtering the special-shaped steel pipe main body, so that the special-shaped steel pipe main body is prevented from being blocked or abraded by impurities, the service life of the special-shaped steel pipe is prolonged, and the operation efficiency of the special-shaped steel pipe is improved; meanwhile, the first filter screen and the second filter screen are easier to disassemble and assemble through the quick disassembly and assembly fixing assembly when being replaced, and the disassembly and assembly efficiency of the filter structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to petrochemical engineering equipment technical field especially a kind of special-shaped steel pipe with filtering structure for petrochemical engineering. BACKGROUND

[0002] With the rapid development of petrochemical industry, the requirements of various engineering equipment on materials are also higher and higher. In the field of petrochemical engineering, special-shaped steel pipe as an important pipeline element is widely used in various process flows. Special-shaped seamless steel pipe is the general term of seamless steel pipe with other cross-sectional shapes except round pipe. According to the different cross-sectional shape and size of steel pipe, it can be divided into equal-wall-thickness special-shaped seamless steel pipe (code D), unequal-wall-thickness special-shaped seamless steel pipe (code BD) and variable-diameter special-shaped seamless steel pipe (code BJ).

[0003] However, the existing special-shaped steel pipe is often blocked or worn in the actual use process due to impurity particles that may exist in the medium, which affects the normal operation of the equipment and greatly reduces the service life and operating efficiency of the special-shaped steel pipe. The special-shaped steel pipe with filtering structure needs to disassemble a large number of bolts when replacing the filtering structure, which is very inconvenient.

[0004] Therefore, we propose a special-shaped steel pipe with filtering structure for petrochemical engineering. CONTENT OF UTILITY MODEL

[0005] The utility model mainly solves the technical problems existing in the prior art, and provides a special-shaped steel pipe with filtering structure for petrochemical engineering.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme, a special-shaped steel pipe with filtering structure for petrochemical engineering, including special-shaped steel pipe main part, the outer wall front end of special-shaped steel pipe main part is fixedly installed with connecting flange, the inner wall front end of special-shaped steel pipe main part is provided with clamping groove, the inner wall front end of special-shaped steel pipe main part is provided with filter assembly at clamping groove, filter assembly includes quick disassembly and installation fixed assembly, the left side wall surface of quick disassembly and installation fixed assembly is fixedly installed with first filter screen, and the outer wall of first filter screen is movably connected with the inner wall of filter assembly, the right side wall surface of quick disassembly and installation fixed assembly is fixedly installed with second filter screen, and the outer wall of second filter screen is movably connected with the inner wall of filter assembly, quick disassembly and installation fixed assembly includes installation box, and the outer wall of installation box is movably connected with the inner wall of filter assembly, the inner wall middle end of installation box is provided with adjusting assembly, the inner wall upper end of installation box is provided with first locking assembly, the inner wall lower end of installation box is provided with second locking assembly, and the structure of second locking assembly is consistent with first locking assembly.

[0007] As preferred, the adjusting assembly comprises a limiting guide rod, and the front and back surfaces of the limiting guide rod are fixedly connected with the front and back ends of the inner wall of the mounting box.

[0008] As preferred, the first locking assembly comprises a locking block, and the outer wall of the locking block is movably connected with the upper end of the inner wall of the mounting box.

[0009] As preferred, the outer wall of the limiting guide rod movably installs a first extrusion block, and the inner wall of the first extrusion block is screw-connected with a lead screw.

[0010] As preferred, the back surface of the lead screw is movably connected with the back end of the inner wall of the mounting box, and the front surface of the lead screw movably penetrates through the front surface of the mounting box.

[0011] As preferred, the front surface of the lead screw fixedly installs an adjusting knob.

[0012] As preferred, the outer wall of the lower end of the locking block fixedly installs a mounting plate, and the outer wall of the mounting plate is movably connected with the inner wall of the mounting box.

[0013] As preferred, the top of the mounting plate fixedly installs a compression spring, and the top of the compression spring is movably connected with the top of the inner wall of the mounting box.

[0014] As preferred, the bottom of the locking block fixedly installs a second extrusion block, and the bottom of the second extrusion block movably contacts with the top of the first extrusion block.

[0015] Beneficial effects

[0016] The utility model provides a special-shaped steel pipe with filter structure for petrochemical engineering.

[0017] Beneficial effects:

[0018] (1), this special-shaped steel pipe with filter structure for petrochemical engineering, through having set up filter assembly, first filter screen and second filter screen on filter assembly not only can play the role of filtering for special-shaped steel pipe main part, avoid the impurity and cause the blockage or wear and tear of special-shaped steel pipe pipeline, improve the service life and operating efficiency of special-shaped steel pipe, simultaneously through quick dismounting fixing assembly, when replacing first filter screen and second filter screen, dismounting is simpler, improve the efficiency of filter structure dismounting.

[0019] (2), this special-shaped steel pipe with filter structure for petrochemical engineering, through having set up lead screw, lead screw has the characteristics of self locking, can make the whole quick dismounting fixing assembly have the function of self locking when fixing, avoid the situation that filter structure loosens, improve the filtering effect of whole device.

[0020] (3), this one petrochemical engineering with filter structure's special-shaped steel pipe, through set up mounting plate and compression spring, mounting plate and compression spring can play the function of automatic reset to locking block, make locking block not affect the installation of whole filter assembly. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the front whole structure schematic view of the utility model;

[0022] Figure 2 It is the filter assembly front structure schematic view of the utility model;

[0023] Figure 3 It is the quick dismounting and mounting fixed assembly internal structure perspective view of the utility model;

[0024] Figure 4 It is the adjusting assembly left side wall surface structure schematic view of the utility model;

[0025] Figure 5 It is the first locking assembly left side wall surface structure schematic view of the utility model.

[0026] Legend: 10, special-shaped steel pipe main body;11, connecting flange;12, filter assembly;13, quick dismounting and mounting fixed assembly;14, first filter screen;15, second filter screen;16, mounting box;17, adjusting assembly;18, first locking assembly;19, second locking assembly;20, limiting guide rod;21, first extrusion block;22, screw;23, adjusting handle;24, locking block;25, mounting plate;26, compression spring;27, second extrusion block. DETAILED DESCRIPTION

[0027] Example one: a kind of petrochemical engineering with filter structure's special-shaped steel pipe, as Figures 1-2As shown, including the special-shaped steel pipe body 10, the outer wall of the special-shaped steel pipe body 10 is fixedly installed with a connecting flange 11, the inner wall of the special-shaped steel pipe body 10 is provided with a clamping groove, and the inner wall of the special-shaped steel pipe body 10 is provided with a filter assembly 12 at the clamping groove. The filter assembly 12 comprises a quick disassembly and fixing assembly 13, the left side wall of the quick disassembly and fixing assembly 13 is fixedly installed with a first filter screen 14, and the outer wall of the first filter screen 14 is movably connected with the inner wall of the filter assembly 12. The right side wall of the quick disassembly and fixing assembly 13 is fixedly installed with a second filter screen 15, and the outer wall of the second filter screen 15 is movably connected with the inner wall of the filter assembly 12. By arranging the filter assembly 12, the first filter screen 14 and the second filter screen 15 on the filter assembly 12 can not only play a filtering role for the special-shaped steel pipe body 10, but also avoid the blockage or wear of impurities on the special-shaped steel pipe, thereby improving the service life and operation efficiency of the special-shaped steel pipe. At the same time, the quick disassembly and fixing assembly 13 is more simple to disassemble when replacing the first filter screen 14 and the second filter screen 15, thereby improving the disassembly efficiency of the filter structure.

[0028] Example two: based on example one, as shown in Figure 3 The quick disassembly and fixing assembly 13 comprises an installation box 16, and the outer wall of the installation box 16 is movably connected with the inner wall of the filter assembly 12. The inner wall of the installation box 16 is provided with an adjusting assembly 17 at the middle end, the inner wall of the installation box 16 is provided with a first locking assembly 18 at the upper end, the inner wall of the installation box 16 is provided with a second locking assembly 19 at the lower end, and the structure of the second locking assembly 19 is consistent with that of the first locking assembly 18. By arranging the screw rod 22, the screw rod 22 has the self-locking characteristic, so that the entire quick disassembly and fixing assembly 13 has the self-locking function when fixed, thereby avoiding the loosening of the filter structure and improving the filtering effect of the entire device.

[0029] Example three: based on examples one and two, as shown in Figures 4-5As shown, the adjusting assembly 17 includes a limit guide rod 20, and the front and back of the limit guide rod 20 are fixedly connected with the front and rear ends of the inner wall of the mounting box 16, the outer wall of the limit guide rod 20 movably installs a first extrusion block 21, the inner wall of the first extrusion block 21 is threadedly connected with a lead screw 22, and the back of the lead screw 22 is movably connected with the rear end of the inner wall of the mounting box 16, the front of the lead screw 22 movably penetrates the front of the mounting box 16, the front of the lead screw 22 is fixedly installed with an adjusting knob 23, the first locking assembly 18 includes a locking block 24, and the outer wall of the locking block 24 is movably connected with the upper end of the inner wall of the mounting box 16, the outer wall of the lower end of the locking block 24 is fixedly installed with a mounting plate 25, and the outer wall of the mounting plate 25 is movably connected with the inner wall of the mounting box 16, the top of the mounting plate 25 is fixedly installed with a compression spring 26, and the top of the compression spring 26 is movably connected with the top of the inner wall of the mounting box 16, the bottom of the locking block 24 is fixedly installed with a second extrusion block 27, and the bottom of the second extrusion block 27 is movably in contact with the top of the first extrusion block 21, by arranging the mounting plate 25 and the compression spring 26, the mounting plate 25 and the compression spring 26 can automatically reset the locking block 24, so that the locking block 24 does not affect the installation of the whole filtering assembly 12.

[0030] The working principle of the utility model: when need to install filtering assembly 12, through counterclockwise rotation adjusting knob 23 on adjusting assembly 17, adjusting knob 23 drives first extrusion block 21 and moves along limit guide rod 20 towards forward, first extrusion block 21 is separated from first locking assembly 18 and second locking assembly 19, and the compression spring 26 on first locking assembly 18 and second locking assembly 19 respectively drives mounting plate 25 to move towards the inside of mounting box 16 through the elastic force of itself, and mounting plate 25 drives locking block 24 to move to the inside of mounting box 16, at this moment, filtering assembly 12 can be placed in the inside of filtering assembly 12, through clockwise rotation adjusting knob 23 on adjusting assembly 17, adjusting knob 23 drives first extrusion block 21 and moves along limit guide rod 20 towards backward, and first extrusion block 21 respectively extrudes first locking assembly 18 and second locking assembly 19 to make first locking assembly 18 and second locking assembly 19 respectively move towards the outside of mounting box 16, and locking block 24 on first locking assembly 18 and second locking assembly 19 respectively inserts the fixing of the slot in the special-shaped steel pipe body 10.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A special-shaped steel pipe with a filtering structure for petrochemical engineering, comprising a special-shaped steel pipe body (10), characterized in that: The outer wall front end of the special-shaped steel pipe body (10) is fixedly installed with a connecting flange (11), the inner wall front end of the special-shaped steel pipe body (10) is provided with a clamping groove, and the inner wall front end of the special-shaped steel pipe body (10) is provided with a filter assembly (12) at the clamping groove, the filter assembly (12) comprises a quick disassembly and fixing assembly (13), the left side wall surface of the quick disassembly and fixing assembly (13) is fixedly installed with a first filter screen (14), and the outer wall of the first filter screen (14) is movably connected with the inner wall of the filter assembly (12), the right side wall surface of the quick disassembly and fixing assembly (13) is fixedly installed with a second filter screen (15), and the outer wall of the second filter screen (15) is movably connected with the inner wall of the filter assembly (12), the quick disassembly and fixing assembly (13) comprises a mounting box (16), and the outer wall of the mounting box (16) is movably connected with the inner wall of the filter assembly (12), the inner wall middle end of the mounting box (16) is provided with an adjusting assembly (17), the inner wall upper end of the mounting box (16) is provided with a first locking assembly (18), the inner wall lower end of the mounting box (16) is provided with a second locking assembly (19), and the structure of the second locking assembly (19) is consistent with that of the first locking assembly (18).

2. The profiled steel pipe with filter structure for petrochemical engineering according to claim 1, characterized in that: The adjusting assembly (17) comprises a limiting guide rod (20), and the front face and the back face of the limiting guide rod (20) are fixedly connected with the inner wall front end and the inner wall rear end of the mounting box (16) respectively.

3. The profiled steel pipe with filter structure for petrochemical engineering according to claim 1, characterized in that: The first locking assembly (18) comprises a locking block (24), and the outer wall of the locking block (24) is movably connected with the inner wall upper end of the mounting box (16).

4. The profiled steel pipe with filter structure for petrochemical engineering according to claim 2, characterized in that: The outer wall of the limiting guide rod (20) movably installs a first extrusion block (21), and the inner wall of the first extrusion block (21) is threadedly connected with a lead screw (22).

5. The profiled steel pipe with filter structure for petrochemical engineering according to claim 4, characterized in that: The back face of the lead screw (22) is movably connected with the inner wall rear end of the mounting box (16), and the front face of the lead screw (22) movably penetrates the front face of the mounting box (16).

6. The profiled steel pipe with filter structure for petrochemical engineering according to claim 4, characterized in that: The front face of the lead screw (22) is fixedly installed with an adjusting knob (23).

7. The profiled steel pipe with filter structure for petrochemical engineering according to claim 3, characterized in that: The outer wall lower end of the locking block (24) is fixedly installed with a mounting plate (25), and the outer wall of the mounting plate (25) is movably connected with the inner wall of the mounting box (16).

8. The profiled steel pipe with filter structure for petrochemical engineering according to claim 7, characterized in that: The top of the mounting plate (25) is fixedly installed with a compression spring (26), and the top of the compression spring (26) is movably connected with the inner wall top of the mounting box (16).

9. The irregular-shaped steel pipe with a filter structure for petrochemical engineering according to claim 3, characterized in that: The bottom of the locking block (24) is fixedly installed with a second extrusion block (27), and the bottom of the second extrusion block (27) is movably connected with the top of the first extrusion block (21).

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