CN214037196U

CN214037196U - Submerged-arc welding steel pipe for water diversion engineering

Info

Publication number: CN214037196U
Application number: CN202022691666.XU
Authority: CN
Inventors: 王从水
Original assignee: Tianjin Jiusheng Tongda Technology Co ltd
Current assignee: Tianjin Jiusheng Tongda Technology Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-08-24
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a submerged arc welding steel pipe for diversion engineering, including the steel pipe body, steel pipe body outside a week is provided with the stay tube, the even fixed connection in a plurality of compression spring one end in both ends about the stay tube outside, the compression spring other end is fixed connection respectively on protective case upper and lower both ends inner wall, both ends all are provided with the sealing member about the protective case, fixed plate central point puts through-hole department and all is provided with the locking bolt, it all is provided with the sealing layer with lower fastener internal surface to go up the fastener. The utility model discloses in, make the integrated device have waterproof, anticorrosive, thermal-insulated and high strength's advantage through being provided with stay tube and protective case in the steel pipe body outside, play the shock attenuation cushioning effect to the steel pipe body simultaneously under compression spring's effect, through the sealing layer in the sealing member and the leakproofness of outside locking bolt reinforcing steel pipe body both ends kneck, be worth wideling popularize.

Description

Submerged-arc welding steel pipe for water diversion engineering

Technical Field

The utility model relates to a steel pipe field especially relates to a submerged arc welding steel pipe for diversion engineering.

Background

The submerged arc welded steel pipe is a spiral seam welded steel pipe which is formed by using a strip steel coiled plate as a raw material, performing extrusion forming at a normal temperature and welding by using an automatic double-wire double-sided submerged arc welding process, has the advantages of simple production process, high production efficiency and low cost of the longitudinal welded pipe, has higher strength than the longitudinal welded pipe, can produce welded pipes with larger pipe diameters by using narrower blanks and can produce welded pipes with different pipe diameters by using blanks with the same width.

In the submerged arc welded steel pipe used in the diversion project at the present stage, the submerged arc welded steel pipe is basically directly installed, the direct use of the submerged arc welded steel pipe has the defects of no water resistance, easy corrosion, no heat insulation and poor strength, meanwhile, the quality problem caused by collision easily occurs in the transportation and installation processes, so the normal use of the submerged arc welded steel pipe is influenced, secondly, bacteria are easily grown in the steel pipe in the diversion process, so the water quality is influenced, and meanwhile, the water seepage condition easily occurs when a welding port is used for a long time, so the diversion efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a submerged arc welded steel pipe for water diversion engineering.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a submerged-arc welding steel pipe for water diversion engineering comprises a steel pipe body, wherein a supporting pipe is arranged on the periphery of the outer side of the steel pipe body, the upper end and the lower end of the outer side of the supporting pipe are uniformly and fixedly connected to one end of a plurality of compression springs, the other end of each compression spring is fixedly connected to the inner walls of the upper end and the lower end of a protective sleeve respectively, a waterproof layer is arranged on the outer surface of the protective sleeve, an anticorrosive layer is arranged on the inner side of the waterproof layer, a heat insulation layer is arranged on the inner side of the anticorrosive layer, a main body layer is arranged on the inner side of the heat insulation layer, an antibacterial layer is arranged on the inner surface of the steel pipe body, sealing elements are arranged at the left end and the right end of the protective sleeve and comprise an upper clamping piece and a lower clamping piece, one ends of the upper clamping piece and one end of the lower clamping piece are rotatably connected to a rotating shaft, a fixing plate is fixedly connected to the other ends of the upper clamping piece and the lower clamping piece, and a locking bolt is arranged at the through hole at the central position of the fixing plate, and sealing layers are arranged on the inner surfaces of the upper clamping piece and the lower clamping piece.

As a further description of the above technical solution:

the waterproof layer is made of an acrylate waterproof film.

As a further description of the above technical solution:

the anticorrosive coating is made of epoxy coal asphalt paint anticorrosive material.

As a further description of the above technical solution:

the heat insulation layer is made of centrifugal glass wool felt.

As a further description of the above technical solution:

the main body layer and the support tube are both made of high-strength steel plates.

As a further description of the above technical solution:

the antibacterial layer is made of a nano antibacterial material.

As a further description of the above technical solution:

the sealing layer is made of fluororubber.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first realize the protection of steel pipe body in transportation and installation through the outside stay tube that sets up of steel pipe body and protective case and under the effect of the compression spring between stay tube and protective case, realize absorbing effect through compression spring, secondly make integrated device have waterproof, anticorrosive and thermal-insulated performance through waterproof layer, anticorrosive coating and the insulating layer that sets up on the protective case, adopt the intensity of increase integrated device under the effect of high strength steel sheet on the main part layer simultaneously.

2. The utility model discloses in, realize antibacterial purpose through the antibiotic layer that is provided with nanometer antibacterial material inside the steel pipe body, the leakproofness of the sealing layer through in the sealing member and outside locking bolt reinforcing steel pipe body both ends kneck is worth wideling popularize simultaneously.

Drawings

FIG. 1 is a schematic view of the internal structure of a submerged arc welded steel pipe for water diversion engineering according to the present invention;

FIG. 2 is a schematic view of the internal structure of the protective sleeve in the submerged arc welded steel pipe for water diversion engineering according to the present invention;

FIG. 3 is a schematic view of the internal structure of a steel pipe body in a submerged arc welded steel pipe for water diversion works according to the present invention;

FIG. 4 is a cross-sectional view of the sealing member in the submerged arc welded steel pipe for water diversion engineering according to the present invention;

FIG. 5 is an assembly diagram of a submerged arc welded steel pipe for water diversion works according to the present invention;

illustration of the drawings:

1. a steel pipe body; 2. supporting a tube; 3. a compression spring; 4. protecting the sleeve; 5. a waterproof layer; 6. an anticorrosive layer; 7. a thermal insulation layer; 8. a body layer; 9. an antimicrobial layer; 10. a seal member; 11. an upper clamping piece; 12. a lower clamping piece; 13. a rotating shaft; 14. a fixing plate; 15. locking the bolt; 16. and (7) sealing the layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: a submerged-arc welding steel pipe for diversion engineering comprises a steel pipe body 1, supporting pipes 2 are arranged on the periphery of the outer side of the steel pipe body 1, the upper end and the lower end of the outer side of each supporting pipe 2 are uniformly and fixedly connected to one end of a plurality of compression springs 3, the other ends of the compression springs 3 are respectively and fixedly connected to the inner walls of the upper end and the lower end of a protective sleeve 4, in the process of transporting or installing the steel pipe body 1, the damping effect is achieved through the compression springs 3 uniformly arranged between the supporting pipes 2 and the protective sleeve 4, the steel pipe body 1 is protected, a waterproof layer 5 is arranged on the outer surface of the protective sleeve 4, an anticorrosive layer 6 is arranged on the inner side of the waterproof layer 5, a heat insulation layer 7 is arranged on the inner side of the anticorrosive layer 6, a main body layer 8 is arranged on the inner side of the heat insulation layer 7, an antibacterial layer 9 is arranged on the inner surface of the steel pipe body 1, and the waterproof layer 5, the anticorrosive layer 6 and the outer side of the protective sleeve 4 are arranged on the inner side of the steel pipe body, The heat insulation layer 7 is used for realizing that the integral device has waterproof, anticorrosion and heat insulation performances, the antibacterial function in the steel pipe body 1 is realized through an antibacterial layer 9 arranged in the steel pipe body 1, sealing parts 10 are arranged at the left end and the right end of the protective sleeve 4, each sealing part 10 comprises an upper clamping part 11 and a lower clamping part 12, one end of each of the upper clamping part 11 and the lower clamping part 12 is rotatably connected onto a rotating shaft 13, the other end of each of the upper clamping part 11 and the lower clamping part 12 is fixedly connected with a fixing plate 14, a locking bolt 15 is arranged at a through hole at the center of the fixing plate 14, a sealing layer 16 is arranged on the inner surfaces of the upper clamping part 11 and the lower clamping part 12, when the joint between the submerged arc welding steel pipes is sealed, the joint between the submerged arc welding steel pipes is clamped through the upper clamping part 11 and the lower clamping part 12, the upper clamping part 11 and the lower clamping part 12 are fixed through the locking bolt 15, and the sealing layer 16 arranged in the upper clamping part 11 and the lower clamping part 12 is used for enhancing the sealing performance of the joint between the submerged arc welding steel pipes, thereby ensuring the water diversion efficiency.

The waterproof layer 5 is made of an acrylate waterproof film, the acrylate waterproof film is an aqueous indoor coating waterproof material which takes an acrylate polymer as a main raw material, and the coating does not crack even if the surface is wrinkled after film forming, so that the waterproof effect is excellent, the anticorrosive layer 6 is made of an epoxy coal asphalt paint anticorrosive material, the epoxy coal asphalt paint anticorrosive material is a specific one which is formed by modifying the traditional epoxy coal asphalt through chlorosulfonated polyethylene rubber with excellent anticorrosive performance after curing, and is an interpenetrating network anticorrosive coating between an epoxy resin chain and a rubber chain, the coating has the advantages of low water absorption, good water resistance, strong microbial erosion resistance and high permeation resistance, the heat-insulating layer 7 is made of a centrifugal glass wool felt which has good heat-insulating performance and avoids heat exchange between materials in a submerged arc welded steel pipe and the external environment of the submerged arc welded steel pipe in the conveying process, the main body layer 8 and the support tube 2 are both made of high-strength steel plates, the high-strength steel plates have the characteristic of high strength, the antibacterial layer 9 is made of nano antibacterial materials, the nano antibacterial materials are processed by adopting a high-tech nano technology to enable inorganic antibacterial agents to have a wider and excellent antibacterial and bactericidal function, the antibacterial long-acting property is improved through a slow release effect, the sealing layer 16 is made of fluororubber, the fluororubber has higher solubility to gas and lower diffusion speed, and therefore the total represented air permeability is small, and sealing of joints between submerged arc welding steel tubes is achieved.

The working principle is as follows: in the process of transporting or installing the steel pipe body 1, the shock absorption effect is realized through the plurality of compression springs 3 uniformly arranged between the supporting pipe 2 and the protective sleeve 4, so that the steel pipe body 1 is protected, when the joint between the submerged arc welding steel pipes is sealed, the joint between the submerged arc welding steel pipes is clamped through the upper clamping piece 11 and the lower clamping piece 12, the upper clamping piece 11 and the lower clamping piece 12 are fixed through the locking bolt 15, the sealing performance of the joint between the submerged arc welding steel pipes is enhanced through the sealing layer 16 arranged inside the upper clamping piece 11 and the lower clamping piece 12, so that the water diversion efficiency is ensured, the integral device has the performances of water resistance, corrosion resistance and heat insulation through the waterproof layer 5, the anticorrosive layer 6 and the heat insulation layer 7 arranged on the protective sleeve 4, and the strength of the integral device is increased under the action of the high-strength steel plate adopted by the main body layer 8, secondly, the aim of bacteriostasis is achieved by arranging the antibacterial layer 9 made of the nano antibacterial material in the steel pipe body 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a submerged arc welding steel pipe for diversion engineering, includes steel pipe body (1), its characterized in that: the steel pipe comprises a steel pipe body (1), wherein a supporting pipe (2) is arranged on one circumference of the outer side of the steel pipe body (1), the upper end and the lower end of the outer side of the supporting pipe (2) are uniformly and fixedly connected with one end of a plurality of compression springs (3), the other end of each compression spring (3) is respectively and fixedly connected with the inner walls of the upper end and the lower end of a protective sleeve (4), a waterproof layer (5) is arranged on the outer surface of each protective sleeve (4), an anticorrosive layer (6) is arranged on the inner side of each waterproof layer (5), a heat insulating layer (7) is arranged on the inner side of each anticorrosive layer (6), a main body layer (8) is arranged on the inner side of each heat insulating layer (7), an antibacterial layer (9) is arranged on the inner surface of the steel pipe body (1), sealing elements (10) are arranged at the left end and the right end of each protective sleeve (4), each sealing element (10) comprises an upper clamping element (11) and a lower clamping element (12), one end of each upper clamping element (11) and one end of each lower clamping element (12) are rotatably connected to a rotating shaft (13), go up fastener (11) and lower fastener (12) other end equal fixedly connected with fixed plate (14), fixed plate (14) central point puts through-hole department and all is provided with locking bolt (15), go up fastener (11) and lower fastener (12) internal surface and all be provided with sealing layer (16).

2. The submerged arc welded steel pipe for water diversion engineering according to claim 1, characterized in that: the waterproof layer (5) is made of an acrylate waterproof film.

3. The submerged arc welded steel pipe for water diversion engineering according to claim 1, characterized in that: the material of the anticorrosive layer (6) is epoxy coal tar pitch paint anticorrosive material.

4. The submerged arc welded steel pipe for water diversion engineering according to claim 1, characterized in that: the heat insulation layer (7) is made of centrifugal glass wool felt.

5. The submerged arc welded steel pipe for water diversion engineering according to claim 1, characterized in that: the main body layer (8) and the supporting tube (2) are both made of high-strength steel plates.

6. The submerged arc welded steel pipe for water diversion engineering according to claim 1, characterized in that: the antibacterial layer (9) is made of a nano antibacterial material.

7. The submerged arc welded steel pipe for water diversion engineering according to claim 1, characterized in that: the sealing layer (16) is made of fluororubber.