Super austenitic stainless steel pipe
Technical Field
The utility model relates to a stainless steel pipe, in particular to a super austenitic stainless steel pipe, and belongs to the technical field of steel pipes.
Background
The super austenitic stainless steel has very good local corrosion resistance, good pitting corrosion resistance and good stress corrosion resistance under the conditions of seawater, inflation, gaps and low-speed flushing, is a substitute material of nickel base alloy and titanium alloy, and has more excellent high temperature resistance or corrosion resistance in the aspects of high temperature resistance or corrosion resistance.
The prior art has the following publication numbers: the utility model patent of CN 208281656U provides a stainless steel pipe which plays a role in fixing and supporting steel bars by arranging the supporting steel bars between an inner pipe body and an outer pipe body, a limiting body connected with the inner pipe body and a clamping arc body connected with the outer pipe body respectively; meanwhile, the outer separation cavity, the inner separation cavity and the retaining cavity are formed in the inner pipe body and the outer pipe body, so that the heat insulation performance, the rigidity and the strength of the stainless steel pipe are remarkably improved, the whole structure is complex, dense steel bars and clamping arc bodies are designed inside, the precision manufacturing requirement on the steel pipe is high, the manufacturing process is complex, the time consumption is long, the cost is high, the production and the use progress of the steel pipe are affected, the mass production is not facilitated, meanwhile, the splicing and stable placing capability of the pipe body are not achieved, an external auxiliary workpiece or a welding pipeline is needed when the pipeline is spliced, the operation is inconvenient, the steel pipe cannot be stably placed when the pipeline is transported, and the steel pipe cannot be stacked and arranged easily, so that the steel pipe is required to be upgraded and reformed on the basis of the prior art.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide the super austenitic stainless steel pipe which can improve the strength of the inner pipe body and increase the heat preservation and insulation effects, has the advantages of simple integral structure, convenient installation, low manufacturing cost and short time consumption, is beneficial to popularization and use, can realize sealing and splicing of the pipe body and transportation and placement of the pipe body, and avoids the problems of inconvenient welding and combination of the pipe body, poor stability of the pipe body placement and transportation, difficult stacking and the like.
In order to solve the problems, the following technical scheme is provided:
the utility model provides a super austenitic stainless steel pipe, includes the device body, this internal interior body and the outer body of including of device, the fixed annular stiffener and the perpendicular stiffener of being equipped with in interior body outside, a plurality of via holes have all been seted up on annular stiffener and the perpendicular stiffener fixed connection and annular stiffener and the perpendicular stiffener, outer body cover is established in interior body outside and with annular stiffener and perpendicular stiffener fixed connection, set up the filler neck on the outer body and install the sealing plug on the filler neck, outer body both ends are fixed with preceding connecting plate and back connecting plate respectively and preceding connecting plate and back connecting plate correspond.
Further, the outer walls of the two ends of the inner pipe body are provided with connecting rings, and the two ends of the outer pipe body are welded and fixed with the connecting rings.
Furthermore, a plurality of groups of inner cavities are formed between the outer pipe body and the inner pipe body through the annular reinforcing rods and the vertical reinforcing rods, and a plurality of the inner cavities are communicated with each other through the through holes.
Furthermore, a countersunk groove is formed in the outer side of the filling opening, and a nut part on the outer side of the sealing bolt is positioned in the countersunk groove.
Further, a sealing groove is formed in the front connecting plate, and a sealing strip is arranged on the rear connecting plate and corresponds to the sealing groove.
Further, the seal groove and the seal strip are both rectangular structures, and the seal groove and the seal strip are both encircling the outer ring of the outer pipe body.
Further, a group of mounting holes are respectively arranged at four corners of the front connecting plate and the rear connecting plate, and sealing gaskets are clamped in the middle of the front connecting plate and the rear connecting plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the device, the outer pipe body, the annular reinforcing rod, the vertical reinforcing rod, the filling opening and the sealing bolt are arranged in the device, the cavity is formed by the outer pipe body, the annular reinforcing rod, the vertical reinforcing rod and the inner pipe body, inert gas is filled into the cavity through the filling opening, the strength of the inner pipe body can be improved, the heat insulation effect of the inner pipe body can be improved through sealing by the sealing bolt, the device is simple in integral structure and convenient to install, the manufacturing cost is low, the consumed time is short, and popularization and use are facilitated.
2. According to the utility model, the front connecting plate, the rear connecting plate, the sealing groove, the sealing strip and the sealing gasket are arranged in the device, when the device is used, the front connecting plate and the rear connecting plate of the two groups of pipe bodies are in butt joint, and the sealing gasket is added in the front connecting plate and the rear connecting plate, at the moment, the sealing groove and the sealing strip are correspondingly inserted and connected, and the mounting hole positions are correspondingly arranged, so that the sealing splicing of the pipe bodies and the transportation placement of the pipe bodies can be realized, and the problems of inconvenient pipe body welding combination, poor pipe body placement and transportation stability, difficult stacking and the like are avoided.
Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of a super austenitic stainless steel pipe according to the present utility model;
FIG. 2 is a cross-sectional view of the outer tubular body structure of a super austenitic stainless steel pipe according to the present utility model;
FIG. 3 is a schematic view of a partial structure of a super austenitic stainless steel pipe according to the present utility model;
fig. 4 is a schematic view of a connection plate structure of a super austenitic stainless steel pipe according to the present utility model.
In the figure: 1. a device body; 2. an inner tube body; 21. a connecting ring; 3. an outer tube body; 4. an annular reinforcing rod; 5. a vertical reinforcing rod; 6. a via hole; 7. an inner cavity; 8. a filler neck; 81. a countersunk head groove; 9. a sealing bolt; 10. a front connecting plate; 11. sealing grooves; 12. a rear connecting plate; 13. a sealing strip; 14. a mounting hole; 15. and a sealing gasket.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, the super austenitic stainless steel pipe provided in this embodiment includes a device body 1, the device body 1 includes an inner pipe body 2 and an outer pipe body 3, an annular reinforcing rod 4 and a vertical reinforcing rod 5 are fixedly arranged on the outer side of the inner pipe body 2, the annular reinforcing rod 4 and the vertical reinforcing rod 5 are fixedly connected, a plurality of through holes 6 are respectively formed in the annular reinforcing rod 4 and the vertical reinforcing rod 5, the outer pipe body 3 is sleeved on the outer side of the inner pipe body 2 and is fixedly connected with the annular reinforcing rod 4 and the vertical reinforcing rod 5, a filling opening 8 is formed in the outer pipe body 3, sealing bolts 9 are installed on the filling opening 8, and a front connecting plate 10 and a rear connecting plate 12 are respectively fixed on two ends of the outer pipe body 3 and correspond to the front connecting plate 10 and the rear connecting plate 12.
Preferably, the outer walls at two ends of the inner pipe body 2 are provided with connecting rings 21, two ends of the outer pipe body 3 are welded and fixed with the connecting rings 21, the inner pipe body 2 and the outer pipe body 3 are connected conveniently, and a cavity is formed between the inner pipe body 2 and the outer pipe body 3.
Preferably, the outer tube 3 is provided with a plurality of groups of inner cavities 7 between the annular reinforcing rod 4 and the vertical reinforcing rod 5 and the inner tube 2, the inner cavities 7 are communicated with each other through the through holes 6, the connection strength between the inner tube 2 and the outer tube 3 can be enhanced through the annular reinforcing rod 4 and the vertical reinforcing rod 5, inert gas can be filled in the inner cavities 7, the heat insulation performance of the inside of the tube can be improved, and the noise of fluid when passing through the tube can be reduced.
Preferably, the countersunk groove 81 is formed in the outer side of the filling opening 8, and a nut part on the outer side of the sealing bolt 9 is positioned in the countersunk groove 81, so that the sealing bolt 9 is conveniently hidden.
Preferably, the front connecting plate 10 is provided with a sealing groove 11, the rear connecting plate 12 is provided with a sealing strip 13, and the sealing strip 13 corresponds to the sealing groove 11, so that the front connecting plate 10 and the rear connecting plate 12 can be conveniently sealed and butted, and external dust and dirt are prevented from entering.
Preferably, the sealing groove 11 and the sealing strip 13 are of rectangular structures, the sealing groove 11 and the sealing strip 13 encircle the outer ring of the outer tube body 3, and the outer ring of the tube body is fully encircled by the sealing strip 13, so that the sealing effect on the whole tube body can be achieved.
Preferably, the four corners of the front connecting plate 10 and the rear connecting plate 12 are respectively provided with a group of mounting holes 14, and a sealing gasket 15 is clamped between the front connecting plate and the rear connecting plate, so that the two groups of pipe bodies can be spliced and used conveniently, and meanwhile, the butt joint positions of the pipe bodies are sealed to prevent the medium from leaking.
The application principle and the application flow of the utility model are as follows: firstly, an annular reinforcing rod 4 and a vertical reinforcing rod 5 are welded and fixed on an inner pipe body 2, then an outer pipe body 3 is fixed on the outer sides of the annular reinforcing rod 4 and the vertical reinforcing rod 5, two ends of the outer pipe body 3 are fixed with connecting rings 21 at two ends of the inner pipe body 2, inert gas can be added between the inner pipe body 2 and the outer pipe body 3 through a filling opening 8, then the filling opening 8 is sealed through a sealing bolt 9, when a pipeline needs to be spliced, two groups of pipe bodies can be respectively placed on the ground, then are butted front and back and are provided with sealing gaskets 15 in the middle, a front connecting plate 10 corresponds to a rear connecting plate 12 of another pipe body, sealing strips 13 are spliced in sealing grooves 11, then the sealing strips are fixedly connected through mounting holes 14, and the sealing strips can be stably placed on a transport vehicle or the ground through the front connecting plate 10 and the rear connecting plate 12 when the pipeline is transported, so that the problems of difficult stacking, easy sliding and the like are prevented.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.