CN218153051U

CN218153051U - Pipeline ceramic edge sealing structure with water lines

Info

Publication number: CN218153051U
Application number: CN202222278120.0U
Authority: CN
Inventors: 刘海波; 何广东; 刘文成; 曾辉
Original assignee: Linyi Wagon New Material Technology Ltd
Current assignee: Linyi Wagon New Material Technology Ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-27
Anticipated expiration: 2032-08-29

Abstract

The utility model provides a pipeline pottery banding structure with water line draws together the seamless steel pipe that both ends have the flaring structure, be provided with the ceramic inner liner in the seamless steel pipe, the ceramic inner liner forms the ceramic banding in the flaring structure department that is located seamless steel pipe both ends, ceramic banding terminal surface and seamless steel pipe terminal surface parallel arrangement, ceramic banding terminal surface department is provided with unsmooth water line, the utility model discloses an inner wall and both ends at seamless steel pipe set up ceramic inside lining, and the ceramic inside lining of adoption compares in the enamel inside lining, and the problem that the thermal energy matches has effectively been solved to ceramic terminal surface can form effectively sealedly through the perpendicular turn-ups of low-angle, and sets up unsmooth water line through the ceramic terminal surface at both ends, can promote the flange end greatly and in the face of the seal gasket's centre gripping dynamics, has promoted the sealing performance of gasket.

Description

Pipeline ceramic edge sealing structure with water lines

Technical Field

The utility model relates to a pottery banding technical field specifically is a pipeline pottery banding structure with water line.

Background

A riser tube for molten aluminum, which is disclosed as CN108251865A in the prior art, comprises a cast iron tube body and a flange, wherein one end of the cast iron tube body is provided with the flange, and the flange and the cast iron tube body are integrally formed; a filter net bag is arranged in the liquid lifting pipe, and the front end of the filter net bag is provided with a clamp; the inner wall of the flange is provided with an annular groove corresponding to the clamping; the surfaces of the inner wall and the outer wall of the cast iron pipe body are respectively provided with enamel glaze layers which are resistant to aluminum liquid corrosion; the mass components of the enamel glaze in the enamel glaze layer comprise SiO2:40-55%, B2O3:8-18%, na2O:13-18%, al2O3:10-25%, tiO2:3-6%, caO:2-4%, K2O:1-3%, coO:0.1-0.3%, niO:1-3%, fe2O3:1 to 3 percent; the lift tube of the device integrates the advantages of corrosion resistance of the ceramic lift tube and high mechanical strength and difficult fracture of the cast iron lift tube.

The aluminum liquid lift tube is characterized in that an enamel tube lining is sintered inside and outside the tube body and the flange ring, so that the corrosion resistance of the pipeline is improved, but the blowing pipeline still has obvious defects in the using process: 1. the enamel corrosion-resistant layer of the device is only arranged on the inner wall and the outer wall of the pipeline, and the enamel protective layer is not sintered on the flange connection end face, so that the corrosion resistance of the flange connection end face is reduced; 2. if want at flange joint terminal surface sintering enamel inoxidizing coating, the enamel turn-ups structure of big R angle usually needs to form among the prior art, the reason lies in that the thermal expansion of enamel and metal organism matches has the problem, only certain R angle can guarantee that the enamel pipe fitting can not explode the porcelain when receiving the thermal shock, and because with the mismatch reason of metal coefficient of thermal expansion, the enameled thickness need control below 2.0mm, and in order not to destroy the thickness uniformity on enamel layer, the enamel port is smooth turn-ups structure usually, but the enamel face is more smooth and causes also weaker to the clamping capacity of seal gasket, in case the intraductal pressure risees, will cause the gasket deformation, even remove, until taking place the leakage risk, through the test, traditional enamel material smooth surface seal terminal surface, will produce the leakage phenomenon when water pressure exceeds 25 kilograms.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline pottery banding structure with water line to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pipeline pottery banding structure with water line, includes that both ends have the seamless steel pipe of flaring structure, be provided with the ceramic inner liner in the seamless steel pipe, the ceramic inner liner forms the ceramic banding in the flaring structure department that is located seamless steel pipe both ends, ceramic banding terminal surface and seamless steel pipe terminal surface parallel arrangement, ceramic banding terminal surface department is provided with unsmooth water line.

Preferably, the flaring structures at the two ends of the seamless steel pipe are vertical flaring structures with the inner diameter of the steel pipe increased in a step mode.

Preferably, the flaring structures at the two ends of the seamless steel pipe are horn-shaped flaring structures with the continuously increased inner diameter of the steel pipe.

Preferably, the ceramic edge sealing end face is received in the flaring structure of the seamless steel tube.

Preferably, the ceramic edge sealing end face coincides with the end face of the flaring structure of the seamless steel pipe, and the water lines protrude out of the end face of the flaring structure.

Preferably, the water lines are in an annular structure connected end to end.

Preferably, the number N of the water lines is more than or equal to 2, and a plurality of water lines are arranged in a concentric circle manner.

Preferably, the water lines have a spiral structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model arranges the ceramic linings on the inner wall and two ends of the seamless steel pipe, thereby effectively protecting the pipeline and the flange end faces at the two ends, and improving the corrosion resistance of the pipeline;

2. compared with the enamel lining, the ceramic lining adopted by the utility model effectively solves the problem of thermal expansion matching by the ceramic end surface, so that a flanging structure with a large R angle is not needed, effective sealing can be formed by vertically flanging at a small angle, the end surface thickness is greatly improved compared with the enamel lining, the flanging end surface thickness of 3mm or more can be formed, and the corrosion resistance and the impact resistance of the end surface are improved;

3. because the thickness of ceramic terminal surface promotes and ceramic surface can slot and need not to consider its thickness uniformity problem, consequently offer concave convex water line through the ceramic terminal surface at both ends, can promote the flange terminal surface greatly and seal gasket's centre gripping dynamics, effectively prevent that the gasket from taking place the displacement, and the gasket warp under the extrusion of water line structure, compare in smooth terminal surface, the sealing performance of gasket has further been promoted, the actual measurement adopts the ceramic flanging structure of water line terminal surface, can bear 40 kilograms of water pressure and do not take place the leakage phenomenon.

The utility model discloses an inner wall and both ends at seamless steel pipe set up ceramic inside lining, and the ceramic inside lining of adoption is compared in the enamel inside lining, and the ceramic end face has effectively solved the problem that the thermal energy matches, can form effectively sealedly through the perpendicular turn-ups of low-angle, and sets up unsmooth water line through the ceramic end face at both ends, can promote the flange end greatly and promote the sealing performance of gasket to seal gasket's centre gripping dynamics.

Drawings

FIG. 1 is a schematic view of the vertical flaring structure of the seamless steel pipe with stepwise increase of the inner diameter;

FIG. 2 is a schematic view of the overlapping arrangement of the ceramic edge-sealing end surface of the seamless steel tube and the end surface of the seamless steel tube;

FIG. 3 is a schematic view of the structure of the trumpet-shaped flaring with the continuity of the inside diameter of the seamless steel pipe increased according to the present invention;

FIG. 4 is a schematic view of the enlarged structure of area A of the present invention;

FIG. 5 is a schematic view of concentric water lines according to the present invention;

FIG. 6 is a schematic view of a spiral water wave line of the present invention;

fig. 7 is a structural schematic diagram of an enamel flanging with a large R angle in the prior art.

In the figure: 1 flaring structure, 2 seamless steel pipes, 3 ceramic edge sealing, 4 water lines and 5 ceramic lining layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-7, the present invention provides a technical solution:

the first embodiment is as follows:

the utility model provides a pipeline pottery banding structure with water line, seamless steel pipe 2 that has flaring structure 1 including both ends, be provided with ceramic inner liner layer 5 in the seamless steel pipe 2, ceramic inner liner layer is in the flaring structure 1 department formation ceramic banding 3 that is located seamless steel pipe 2 both ends, 3 terminal surfaces of ceramic banding and 2 terminal surface parallel arrangement of seamless steel pipe, 3 terminal surfaces of ceramic banding are provided with unsmooth water line 4, the vertical flaring structure of the cascaded increase of internal diameter is adopted in this embodiment, refer to description attached drawing 1, the cascaded flaring structure that increases makes the thickness of ceramic banding 3 comparatively even, and because the ceramic inside lining has solved the coefficient of thermal expansion problem of metal with the enamel inside lining, therefore 3mm and above can be accomplished to thickness, it is basic to have terminal surface ceramic thickness, simultaneously under the condition at minimum R angle, can form list or many water line on the terminal surface, these ceramic water line are because the basic ratio of bottom is thicker, match with metal thermal expansion performance, so the porcelain explosion risk under having reduced.

Example two:

in the embodiment, the flaring structures 1 at the two ends of the seamless steel pipe 2 are horn-shaped flaring structures with the continuously increased inner diameter of the steel pipe, the flaring mode of the structure has less plastic impact damage to the end surface of the seamless steel pipe, and the ceramic seal edges 3 formed at the two ends have larger thickness, which is beneficial to forming the structure of the water lines 4 on the end surface of the ceramic seal edges 3.

Example three:

on the basis of the first embodiment or the second embodiment, the end face of the ceramic edge sealing 3 is received inside the flaring structure 1 of the seamless steel pipe 2, so that the sealing gasket can be embedded into the flaring structure 1 formed by the seamless steel pipe 2 in the flange connection process, the phenomenon of offset of the sealing gasket is effectively prevented, meanwhile, the end face of the ceramic end face 3 is provided with the water lines 4 of the annular structures connected end to end, the sealing gasket can be effectively limited by the concentric water lines 4 with the number N being more than or equal to 2, the offset of the sealing gasket is prevented, the arrangement of the water lines 4 can effectively form sealing on the end face, the axial force and the pressure resistance which are opposite in the axial direction are greatly increased during sealing, the pressure grade of the sealing is relatively improved, the torque locking capacity is greatly improved, the medium pressure can reach 4.0 megapascals, and the sealing grade is obviously improved.

Example four:

in the embodiment, the water lines 4 are in a spiral structure, and the water lines 4 in the spiral structure can also play a good role in sealing and preventing displacement.

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 pipeline pottery banding structure with water line, includes that both ends have seamless steel pipe (2) of flaring structure (1), its characterized in that: be provided with ceramic inner liner (5) in seamless steel pipe (2), ceramic inner liner (5) locate to form ceramic banding (3) in flaring structure (1) that is located seamless steel pipe (2) both ends, ceramic banding (3) terminal surface and seamless steel pipe (2) terminal surface parallel arrangement, ceramic banding (3) terminal surface department is provided with unsmooth form water line (4).

2. The ceramic edge banding structure with water lines of claim 1, wherein: the flaring structures (1) at the two ends of the seamless steel pipe (2) are vertical flaring structures with the inner diameter of the steel pipe gradually increased.

3. The ceramic edge banding structure with water lines of claim 1, wherein: the flaring structures (1) at the two ends of the seamless steel pipe (2) are horn-shaped flaring structures with the continuity of the inner diameter of the steel pipe increased.

4. A ceramic edge banding structure for pipes having water lines as claimed in claim 2 or 3 wherein: the end face of the ceramic seal edge (3) is received in the flaring structure (1) of the seamless steel pipe (2).

5. A ceramic edge banding structure for pipes having water lines as claimed in claim 2 or 3 wherein: the end face of the ceramic edge sealing (3) coincides with the end face of the flaring structure (1) of the seamless steel pipe (2), and the water lines (4) protrude out of the end face of the flaring structure (1).

6. The ceramic edge banding structure with water lines of claim 4, wherein: the water lines (4) are in an annular structure connected end to end.

7. The ceramic edge sealing structure for pipes with water lines as claimed in claim 6, wherein: the number N of the water lines (4) is more than or equal to 2, and a plurality of water lines (4) are arranged in a concentric circle manner.

8. The ceramic edge banding structure with water lines of claim 4, wherein: the water lines (4) are of spiral structures.