RU61386U1 - COMBINED PIPELINE TRANSITION - Google Patents

Abstract

The utility model is intended for pipe connections intended for a guaranteed long-term 25-50-year operational period of use when aggressive and / or fluid flowing liquids belonging to the housing and communal services and / or industrial enterprises are supplied through them. Known transitions of pipe joints do not have modern advantages over welding, which simultaneously determine the operation of protecting welds from destruction from the inside of the pipe joint. The disadvantages of the analogue / 1 / include a shorter service life of the joints of known compounds due to the formation of burrs, which slows down the fluid flow rate and forces unreasonably to increase the working pressure in piping systems, which dramatically reduces the operational performance of not only the passage of the fluid flow, but also leads to gusts transport overhead and underwater systems for supplying liquid and particles, which collapses during the operation of pipes, burrs, which, falling into valves and instrumentation, oputno disables accessories. A tool for automated cutting and hardening of welds is difficult to manufacture and operate and requires significant costs for the use of used aircraft turbines in gas pumping, providing a high-speed flow of air from the blowing-out beads after machining. Known patent No. 20360 dated 04/25/2001 "Device for protecting the internal weld of pipelines" - / 2 /. A useful model for protecting an intellectual property object is the versatility of a new technical solution with simultaneous technical excellence for protecting welded joints from destruction directly from the inside of a pipe product, for example, according to Patent 20360. The industrial usefulness of a new technical solution is that the pipelines are guaranteed to be protected against penetration of weld connections to the liquid medium supplied through the pipeline, which contributes to the high-quality operation of the valve PORN apparatus and counters the action of the pressure, the practical use of devices can be applied to

pipe bends with pipes welded to them and with installed sheath transitions providing practical use of pipe joints with a corrosion-resistant coating, for example, as shown in FIGS. 1-2. The delivery condition of the combined pipe branch can take into account the possibility of separately bundling the pipe branch with nozzles without installing shell adapters with installing shell protection of the welded joint in various versions, shown in FIG. 1 and FIG. 2. at the place of their operational use, which is especially important for installation operations in the field. The economic efficiency of the new technical solution is to increase the durability of the pipeline joints, which ensures the safety of pipelines with acids and alkalis, including the transportation of other aggressive liquid media through the pipelines, for example, in the form of liquid nitrogen, ammonia, benzene compounds and other liquid components.

Description

The utility model is intended for pipe connections intended for a guaranteed and long-term 25-50-year operational period of use when aggressive and / or fluid flowing liquids belonging to the housing and communal services and / or industrial enterprises are supplied through them.

Known pipe connection tees according to GOST 17376 - 2001 with technological requirements according to GOST 17380-2001 - / 1 /, do not have the technological perfection of their use in quality and a short period of their use, and along with the known device according to patent 20360 - / 2 / they also do not due to their design features, they can effectively serve in the transportation of liquid media, due to underemovable burr, damage to valves and the short service life of welded joints.

The disadvantages of the analogue / 1 / include the shorter service life of the joints of tees and pipelines in known joints, due to the formation of burrs, which slows down the speed of the fluid flow and forces unreasonably to increase the working pressure in the piping systems, which dramatically reduces the operational performance of not only the passage of fluid flow, but also leads to gusts of transport above-ground and underwater systems for supplying liquid and particles, which collapses during the operation of pipes, burrs, which, falling into the valves and control - measuring equipment, simultaneously incapacitates auxiliary equipment and shut-off and valve equipment. A tool for automated cutting and hardening of welds is difficult to manufacture and operate and requires significant costs for the use of used aircraft turbines in gas pumping, providing a high-speed flow of air from the blowing-out beads after machining.

Known patent No. 20360 dated 04/25/2001 "Device for protecting the internal weld of pipelines" - / 2 /.

The task of protecting the object of intellectual property as a useful model is the universality of a new technical solution with simultaneous

technical excellence for protection against destruction of welded joints directly from the inside of the pipe product, for example, according to patent 20360.

Combined pipeline transition, comprising a shaped profile with radial mates of various diameters and wall thicknesses or a tapered transition, characterized in that the ends of the combined pipeline transition are rigidly connected to the nozzles, the inner surface of the complex-shaped form of the combined pipeline transition is provided with a protective coating, from the ends circular chamfers are made to ensure the reliability of the welded joint to protect the complex-shaped external profile of the transition combined over the entire outer surface, a protective coating is applied, the outer coating on the nozzles is made with a section along the boundary L, free of coating and prepared for welding by an annular seam, the inner profile of the nozzles are coated with a protective coating capable of withstanding temperature changes from -60 to 150 ° C, combined pipeline transition consists of shaped or conical profiles, shaped annular edges are designed for welded connection with pipelines.

Graphic images: figure 1 - combined pipeline transition; figure 2 is an example of practical use is a section of the adhesive joints of the protective shells 6 and 7; figure 3 is an example of a practical application - pipe (40), pipeline (47) or (48) with a protective sheath (35).

The list of digital symbols: combined pipeline transition (1); ends (2 and 3); branch pipes (4 and 5); shells (6 and 7); inner surfaces (8 and 9) of the shells (6 and 7); glue stitches (10 and 11); ends (12) and (13); rubber ring cuffs (14-18); boundary zones of protrusions (19-22); ends (23-26); protective coating (27); ring chamfers (28 and 29); surface area (30 and 31); protective coating (32); annular, rectangular flanges (33 and 34), shell (35); rubber rings (36 and 37); welding ring seam (38); corner profile (39); shell (40); axis (41); glued annular seam (42), inclined zones (43 and 44); shaped (45) or conical (46) profiles; pipelines (47 or 48).

Description of the combined pipeline transition.

Combined pipeline transition (1), comprising a shaped profile with radial interfaces, different in diameter and wall thickness of the pipeline, or a conical transition, characterized in that

- the ends (2 and 3) of the combined pipeline transition are rigidly connected to the nozzles (4 and 5);

- the inner surface of the complex-shaped form of the transition of the combined pipeline (1) is provided with a protective coating (27);

- from the ends (12 and 13), annular chamfers (28 and 29) are made providing the reliability of the welded joint;

- to protect the complex-shaped external profile of the pipeline transition combined over the entire external surface, a protective coating is applied (32);

- the outer coating on the nozzles (5 and 6) is made with a section along the border L, free from the coating and prepared for welding by an annular seam (38);

- internal profiles of nozzles (40) or (4, 5), covered with a protective coating capable of withstanding temperature changes from -60 to 150 ° C;

- combined pipeline transition (1) consists of shaped (45) or conical (46) profiles;

- shaped ring edges (28 and 29) are intended for welded connection 38 with the pipeline (47 or 48).

An example of a pipeline transition combined for practical use.

Combined pipeline transition (1) containing a shaped profile with radial joints, different in diameter and wall thickness of the pipeline, or a conical transition, characterized in that:

1. the ends (2 and 3) of the pipeline combined transition are rigidly connected to the nozzles (4 and 5) in each of which there are coaxially mounted shells (6 and 7), connected along the inner surfaces (8 and 9) by annular adhesive seams (10 and 11 );

2. with respect to the ends (12) and (13), the installation is achieved with a medium length along the shell, equal conditions for the temperature field of the weld relative to the rubber ring cuffs (14-18);

3. setting the position of the rubber ring cuffs is determined by the peripheral boundary zone of the protrusions (19-22) made on the shell (6 or 7);

4. the ends (23-26) of the shells (6 and 7) relative to the ends (12 and 13) are placed at an equal distance with permissible regulatory deviations;

5. the inner surface of the complex-shaped form of the transition of the combined pipeline (1) is provided with a protective coating (27);

6. from the ends (12 and 13), annular chamfers (28 and 29) are made to ensure the reliability of the welded joint;

7. the surface area (30 and 31) ensures the closure of the accumulation of weld bead inside the nozzles (4 and 5), which ensures the corrosion resistance of the welded joint relative to the ends (12 and 13);

8. to protect the complex-shaped external profile of the pipeline transition combined over the entire external surface, a protective coating is applied (32);

9. annular, rectangular flanges (33 and 34), rigidly connected along the outer contour of the shell (35) in order to increase its strength and ensure axial retention of rubber rings (36 and 37);

10. the outer coating on the nozzles (5 and 6) is made with a section along the border L, free from the coating and prepared for welding by an annular seam (38);

11. the corner profile (39) serves as a reference point for dividing into 2 equal sections of the shell (40) which is installed coaxially along the axis (42);

12. an adhesive ring seam (10, 11 and 42), the inner profile of the pipe (40) is covered with a protective coating (27) capable of withstanding temperature changes from -60 to 150 ° C;

13. The inclined zones (43 and 44) of the shell (35) ensure the elimination of cavitation fluid flows due to the formation of its laminar flow;

14. The combined pipeline transition (1) consists of a shaped (45) or conical (46) profile;

15. shaped ring edges (28 and 29) are intended for welded connection 38 with the pipeline (47 or 48).

The industrial usefulness of the new technical solution lies in the fact that the pipelines are guaranteed to be protected from penetration of the weld bead into the liquid medium supplied through the pipeline, which contributes to the high-quality operation of valve-stop equipment and pressure meters, and the practical use of the devices can be applied to pipe bends with pipes welded to them and with installed protective shell transitions providing practical use of pipe with anti-corrosion ion coating compounds, for example as shown in Figures 1-2.

The delivery condition of the combined pipe branch can take into account the possibility of separately bundling the pipe branch with nozzles without installing shell adapters with installing shell protection of the welded joint in various versions, shown in FIG. 1 and FIG. 2. at the place of their operational use, which is especially important for installation operations in the field.

The economic efficiency of the new technical solution is to increase the durability of the pipeline joints, which ensures the safety of pipelines with acids and alkalis, including the transportation of other aggressive liquid media through the pipelines, for example, in the form of liquid nitrogen, ammonia, benzene compounds and other liquid components.

Claims (1)

Combined pipeline transition, containing a shaped profile with radius and thickness of the pipeline walls with radial mates or a conical transition, characterized in that the ends of the pipeline transition are rigidly connected to the nozzles, the ends of which are made of ring chamfers for subsequent welded connection to the pipeline, on the inner surface of the nozzles and on the outer surface of the pipeline transition a protective coating is applied, providing a temperature change from -60 to 150 ° C, and the end regions These nozzles on their outer surface are free of protective coating, in accordance with the coverage area of the weld joint.