CN211145622U

CN211145622U - High-temperature-resistant and corrosion-resistant cast iron composite pipe

Info

Publication number: CN211145622U
Application number: CN201920894401.4U
Authority: CN
Inventors: 钱国科; 车正庆; 盛延飞; 王晓柱; 彭安
Original assignee: Jiangsu Xinma New Material Development Co ltd
Current assignee: Jiangsu Xinma New Material Development Co ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-07-31
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a high temperature resistant corrosion-resistant cast iron composite pipe, including flange and body, the body is including corrosion resistant layer, cast iron inner tube, steel wire casing ply, high temperature resistant layer and abrasionproof layer, the position department of body left and right ends all is provided with the flange, the inside through-hole that is provided with of body, the position department of the inside left and right sides end of through-hole place body all is provided with the installing port, the one end of the corresponding body of flange all is provided with the erection column, the erection column sets up in corresponding erection column respectively, the screw socket has been seted up to the left end of the flange of body left end, the right-hand member of the flange of body right-hand member is provided with the double-screw bolt. The utility model discloses a set up double-screw bolt, screw socket, corrosion-resistant layer and high temperature resistant layer, solved and did not possess the inconvenient problem of erection joint in high temperature resistant corrosion-resistant ability and the compound pipe in the cast iron compound pipe.

Description

High-temperature-resistant and corrosion-resistant cast iron composite pipe

Technical Field

The utility model relates to a compound pipe technical field specifically is a high temperature resistant corrosion resistant cast iron compound pipe.

Background

The cast iron composite pipe is divided into continuous cast iron pipe and centrifugal cast iron pipe according to different casting methods, in which the centrifugal cast iron pipe is divided into sand mould and metal mould, and the grey cast iron pipe and nodular cast iron pipe are divided into flexible joint, flange joint, self-anchored joint and rigid joint according to different joint forms.

However, the prior art has the following defects:

1. in the existing cast iron composite pipe, the composite pipe does not have the capabilities of high temperature resistance and corrosion resistance, so that the service life of the composite pipe is greatly reduced.

2. In the existing cast iron composite pipe, the installation and the connection in the composite pipe are inconvenient, and the stability of the installation between the composite pipe and the composite pipe is insufficient.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a high temperature resistant corrosion-resistant cast iron composite pipe, has solved and has not possess high temperature resistant corrosion-resistant ability and the inconvenient problem of erection joint in the composite pipe in the cast iron composite pipe to the not enough of prior art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature resistant corrosion-resistant cast iron composite pipe, includes flange and body, the position department of body left and right ends all is provided with the flange, the inside through-hole that is provided with of body, the position department of the inside left and right sides end of through-hole place body all is provided with the installing port, the one end of the corresponding body of flange all is provided with the erection column, the erection column sets up respectively in corresponding installation port, the screw socket has been seted up to the left end of the flange of body left end, the right-hand member of the flange of body right-hand member is provided with the double-screw bolt.

Preferably, the pipe body comprises an anti-corrosion layer, a cast iron inner pipe, a steel wire framework layer, a high temperature resistant layer and an anti-abrasion layer, the cast iron inner pipe is arranged on the outer side of the anti-corrosion layer, the steel wire framework layer is arranged on the outer side of the cast iron inner pipe, the high temperature resistant layer is arranged on the outer side of the steel wire framework layer, and the anti-abrasion layer is arranged on the outer side of the high temperature resistant layer.

Preferably, the flange and the side wall of the flange in the opposite direction are both provided with mounting pieces, and the mounting pieces are both provided with the outer side of the pipe body.

Preferably, the inner sides of the mounting pieces are provided with grooves, the positions of the grooves corresponding to the positions of the grooves outside the pipe body are provided with lugs, and the lugs are arranged in the corresponding grooves.

Preferably, the outer side of the mounting piece is provided with mounting grooves, and the mounting grooves are provided with fastening rings.

Preferably, the fastening ring is provided with bolts, the bolts are provided with nuts, and the bolts are used for fastening and connecting the mounting pieces through the nuts.

(III) advantageous effects

The utility model provides a high temperature resistant corrosion-resistant cast iron composite pipe possesses following beneficial effect:

(1) the utility model discloses a set up high temperature resistant layer and corrosion resistant layer, set up to the abrasionproof layer through the outside with the body, can make the wearing extent of body higher, high temperature resistant layer is set up in the inboard on abrasionproof layer, thereby make the body have certain resistance to high temperature, corrosion resistant layer is set up through the inboard with the cast iron inner tube, thereby make the long-time work back of body, the body is inside can not corroded, the service life of body has been strengthened, the problem that does not possess high temperature resistant corrosion-resistant ability in the cast iron composite pipe has been solved, and the steam generator is simple in structure and low in cost.

(2) The utility model discloses a set up screw socket and double-screw bolt, when body and body need be connected, screw socket swivelling joint on the double-screw bolt on the flange of one of them body and the flange of another body, thereby make between body and the body easy to assemble be connected, be connected through the erection column and the connection of installing port and lug and recess, make to be connected between flange and the body stably, tighten the bolt through screw nut, thereby make the installation piece fastened by the tighrening ring, thereby the stability between flange and the body has been strengthened, the inconvenient problem of erection joint in the cast iron composite pipe has been solved, and the structure is simple simultaneously, the benefit of the operation of being convenient for.

Drawings

FIG. 1 is an internal structural view of the present invention;

FIG. 2 is an external structural view of the present invention;

FIG. 3 is a schematic view of the tube body of FIG. 1 according to the present invention;

fig. 4 is a view of the tube body of fig. 1 according to the present invention.

The reference numbers in the figures are: 1. a flange; 2. mounting a sheet; 3. a pipe body; 4. mounting grooves; 5. a groove; 6. a stud; 7. screwing; 8. mounting a column; 9. a bolt; 10. a fastening ring; 11. a nut; 12. a through hole; 13. an installation port; 14. a corrosion-resistant layer; 15. casting an inner pipe; 16. a steel wire framework layer; 17. a high temperature resistant layer; 18. an anti-wear layer; 19. and (4) a bump.

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.

As shown in fig. 1-4, the utility model provides a technical solution: a high-temperature-resistant corrosion-resistant cast iron composite pipe comprises a flange 1 and a pipe body 3, wherein the left end and the right end of the pipe body 3 are respectively provided with the flange 1, the inside of the pipe body 3 is provided with a through hole 12, the left end and the right end of the inside of the pipe body 3, which are respectively provided with a mounting hole 13, one end of the flange 1 corresponding to the pipe body 3 is respectively provided with a mounting column 8, the mounting columns 8 are respectively arranged in the corresponding mounting holes 13, the left end of the flange 1 at the left end of the pipe body 3 is provided with a screw opening 7, the right end of the flange 1 at the right end of the pipe body 3 is provided with a stud 6, the pipe body 3 comprises a corrosion-resistant layer 14, an inner pipe 15, a steel wire framework layer 16, a high-temperature-resistant layer 17 and an anti-wear layer 18, the cast iron inner pipe 15 is arranged outside the corrosion-resistant layer 14, the steel wire framework layer 16 is arranged outside the cast iron inner pipe, the wear-resisting degree of the pipe body 3 can be higher by arranging the outer part of the pipe body 3 as the wear-resisting layer 18, the high-temperature-resisting layer 17 is arranged on the inner side of the wear-resisting layer 18, so that the pipe body 3 has certain resistance to high temperature, the inner side of the cast iron inner pipe 15 is provided with the corrosion-resisting layer 14, so that the inner part of the pipe body 3 cannot be corroded after the pipe body 3 works for a long time, the service life of the pipe body 3 is prolonged, the problem that the cast iron composite pipe does not have the high-temperature-resisting and corrosion-resisting capabilities is solved, meanwhile, the pipe has the advantages of simple structure and low cost, the mounting pieces 2 are arranged on the side walls of the flange 1 opposite to the flange 1, the mounting pieces 2 are respectively provided with the outer side of the pipe body 3, the grooves 5 are respectively arranged on the inner sides of the mounting pieces 2, the positions, corresponding to the grooves 5, the outer side of the mounting plate 2 is provided with a mounting groove 4, the mounting groove 4 is provided with a fastening ring 10, the fastening ring 10 is provided with a bolt 9, the bolt 9 is provided with a nut 11, when the pipe bodies 3 are required to be connected with the pipe bodies 3, a stud 6 on the flange 1 of one of the pipe bodies 3 is rotatably connected with a screw opening 7 on the flange 1 of the other pipe body 3, so that the pipe bodies 3 and the pipe bodies 3 are convenient to mount and connect, the connection between the flange 1 and the pipe bodies 3 is stable through the connection between the mounting column 8 and the mounting opening 13 and the connection between the convex block 19 and the groove 5, the bolt 9 is screwed through the screw nut 11, so that the mounting plate 2 is fastened by the fastening ring 10, thereby the stability between the flange 1 and the pipe bodies 3 is enhanced, the problem of inconvenient mounting and connecting in the cast iron composite pipe is solved, meanwhile, the structure is simple, and the, the bolt 9 fastens the mounting piece 2 by a nut 11.

The working principle is as follows: when the utility model is used, when the pipe body 3 and the pipe body 3 need to be connected, the stud 6 on the flange 1 of one of the pipe bodies 3 is rotatably connected with the screw opening 7 on the flange 1 of the other pipe body 3, so that the pipe body 3 and the pipe body 3 are conveniently installed and connected, the connection between the flange 1 and the pipe body 3 is stable through the connection between the mounting column 8 and the mounting opening 13 and the connection between the lug 19 and the groove 5, the bolt 9 is screwed through the screw nut 11, so that the mounting sheet 2 is fastened by the fastening ring 10, the stability between the flange 1 and the pipe body 3 is enhanced, the wear-resisting degree of the pipe body 3 can be higher through arranging the outer part of the pipe body 3 as the wear-resisting layer 18, the high-temperature resistant layer 17 is arranged on the inner side of the wear-resisting layer 18, so that the pipe body 3 has certain resistance to high temperature, the corrosion-resisting layer 14 is arranged on the inner side of the cast iron inner pipe, the inside of the pipe body 3 is not corroded, and the service life of the pipe body 3 is prolonged.

To sum up can, the utility model discloses a set up double-screw bolt 6, screw 7, corrosion-resistant layer 14 and high temperature resistant layer 17, solved and did not possess high temperature resistant corrosion-resistant ability and the inconvenient problem of erection joint in the composite pipe in the cast iron composite pipe.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high temperature resistant corrosion-resistant cast iron composite pipe, includes flange (1) and body (3), its characterized in that: the utility model discloses a pipe body, including body (3), through-hole (12) are all provided with in the position department of the left and right ends of body (3), the position department of the left and right ends of body (3) inside of through-hole (12) all is provided with installing port (13), the one end of the corresponding body (3) of flange (1) all is provided with erection column (8), erection column (8) set up respectively in corresponding installing port (13), screw (7) have been seted up to the left end of flange (1) of body (3) left end, the right-hand member of flange (1) of body (3) right-hand member is provided with double-screw bolt (6).

2. The composite pipe of claim 1, wherein: the pipe body (3) comprises a corrosion-resistant layer (14), a cast iron inner pipe (15), a steel wire framework layer (16), a high-temperature-resistant layer (17) and an anti-abrasion layer (18), the cast iron inner pipe (15) is arranged on the outer side of the corrosion-resistant layer (14), the steel wire framework layer (16) is arranged on the outer side of the cast iron inner pipe (15), the high-temperature-resistant layer (17) is arranged on the outer side of the steel wire framework layer (16), and the anti-abrasion layer (18) is arranged on the outer side of the high-temperature-resistant layer (17).

3. The composite pipe of claim 1, wherein: all be provided with installation piece (2) on flange (1) and the lateral wall of flange (1) relative direction, installation piece (2) all are provided with the outside of body (3).

4. The composite pipe of claim 3, wherein: the inner side of the mounting piece (2) is provided with a groove (5), the position of the outer part of the pipe body (3) corresponding to the groove (5) is provided with a convex block (19), and the convex block (19) is arranged in the corresponding groove (5).

5. The composite pipe of claim 3, wherein: the mounting structure is characterized in that mounting grooves (4) are formed in the outer sides of the mounting pieces (2), and fastening rings (10) are arranged on the mounting grooves (4).

6. The composite pipe of claim 5, wherein: all be provided with bolt (9) on tighrening ring (10), all be provided with nut (11) on bolt (9), bolt (9) are through nut (11) with installation piece (2) fastening connection.