CN209839463U - Small steam turbine compensator - Google Patents

Abstract

The utility model discloses a little steam turbine compensator, including corrugated metal pipe, the first ring flange of corrugated metal pipe's upper end fixedly connected with, corrugated metal pipe's lower extreme fixedly connected with second ring flange, the equal fixedly connected with otic placode in both ends of first ring flange and second ring flange, it is two sets of be connected through adjusting the pole between the otic placode, the internal surface fixedly connected with shock attenuation sleeve of otic placode, the surface of adjusting the pole is equipped with first fastening nut and second fastening nut, first fastening nut is located the top of otic placode, second fastening nut is located the below of otic placode, be equipped with first shock attenuation gasket between first fastening nut and the otic placode. The utility model provides a compensator has good anti-seismic performance, and corrosion resisting property is strong, and thermal-insulated heat preservation is effectual, reduces the influence that ambient temperature caused to the compensator, has also promoted its inside corrosion resistance, prolongs its life greatly.

Description

Small steam turbine compensator

Technical Field

The utility model relates to a compensator technical field especially relates to a little steam turbine compensator.

Background

The pipe compensator is also called as a telescopic device or a telescopic joint or an expansion joint and is mainly used for compensating expansion and contraction caused by temperature change of a pipe. Thermal stresses develop in the pipe if the pipe is not fully free to expand or contract when the temperature changes. This stress must be taken into account in the pipe design, otherwise it may lead to cracking of the pipe, affecting the normal production run. As an important component of pipeline engineering, the compensator plays an important role in ensuring long-term normal operation of the pipeline. The effective telescopic deformation of the working main body corrugated pipe is utilized to absorb the size change of pipelines, conduits, containers and the like caused by expansion with heat and contraction with cold, however, the existing compensator for the small steam turbine still has certain defects when in use, for example, the compensator for the small steam turbine has poor anti-seismic performance due to no good damping structure, and has poor corrosion resistance and thermal insulation effect to reduce the service life, so the small steam turbine compensator is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a small steam turbine compensator.

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

a small steam turbine compensator comprises a metal corrugated pipe, wherein a first flange plate is fixedly connected to the upper end of the metal corrugated pipe, a second flange plate is fixedly connected to the lower end of the metal corrugated pipe, lug plates are fixedly connected to the two ends of the first flange plate and the second flange plate, two groups of lug plates are connected through an adjusting rod, a damping sleeve is fixedly connected to the inner surface of each lug plate, a first fastening nut and a second fastening nut are arranged on the outer surface of the adjusting rod, the first fastening nut is located above each lug plate, the second fastening nut is located below each lug plate, a first damping gasket is arranged between the first fastening nut and each lug plate, a second damping gasket is arranged between the second fastening nut and each lug plate, a corrosion-resistant corrugated pipe is fixedly connected to the inner surface of the metal corrugated pipe, and a heat-preserving corrugated pipe is arranged outside the metal corrugated pipe, and a heat-insulating filling layer is arranged between the metal corrugated pipe and the heat-insulating corrugated pipe.

Preferably, the inner surface of the corrosion-resistant corrugated pipe is provided with a circulation port, and the cross sections of the corrosion-resistant corrugated pipe, the metal corrugated pipe and the heat preservation corrugated pipe are all in a circular ring shape.

Preferably, a reinforcing ring is sleeved at the middle position of the outer surface of the metal corrugated pipe.

Preferably, the damping sleeve, the first damping gasket and the second damping gasket are all made of rubber.

Preferably, the heat preservation corrugated pipe is made of glass fiber, the heat preservation filling layer is made of aluminum silicate heat preservation cotton, and the corrosion-resistant corrugated pipe is made of PTFE.

Preferably, the inner surface of the damping sleeve is provided with threads, and the damping sleeve is in threaded connection with the adjusting rod through the threads.

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

1. in the utility model, the damping sleeve, the first damping gasket and the second damping gasket are arranged, so that the compensator is provided with a damping structure, and has good anti-seismic performance, thereby greatly prolonging the service life of the compensator;

2. in the utility model, the corrosion-resistant structure and the heat-insulating structure are added to the compensator by arranging the corrosion-resistant corrugated pipe, the heat-insulating corrugated pipe and the heat-insulating filling layer, so that the heat-insulating effect and the corrosion-resistant effect of the compensator are improved, the influence of the external temperature on the compensator is reduced, the corrosion resistance of the interior of the compensator is also improved, and the service life of the compensator is prolonged;

to sum up, the utility model provides a compensator has good anti-seismic performance, and corrosion resisting property is strong, and thermal-insulated heat preservation is effectual, reduces the influence that ambient temperature caused to the compensator, has also promoted its inside corrosion resistance, prolongs its life greatly.

Drawings

Fig. 1 is a schematic structural view of a small steam turbine compensator provided by the present invention;

fig. 2 is a schematic view of a connection structure between an adjusting rod and an ear plate of a small steam turbine compensator according to the present invention;

fig. 3 is a cross-sectional view of a metal bellows of the small steam turbine compensator provided by the present invention.

In the figure: 1 corrugated metal pipe, 2 first ring flanges, 3 second ring flanges, 4 lug plates, 5 damping sleeves, 6 adjusting rods, 7 first fastening nuts, 8 second fastening nuts, 9 first damping gaskets, 10 second damping gaskets, 11 corrosion-resistant corrugated pipes, 12 heat-insulating corrugated pipes, 13 heat-insulating filling layers, 14 flow openings and 15 reinforcing rings.

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.

Referring to fig. 1-3, a small steam turbine compensator comprises a corrugated metal pipe 1, a first flange 2 is fixedly connected to the upper end of the corrugated metal pipe 1, a second flange 3 is fixedly connected to the lower end of the corrugated metal pipe 1, two ends of the first flange 2 and the second flange 3 are both fixedly connected with ear plates 4, two groups of ear plates 4 are connected through an adjusting rod 6, a damping sleeve 5 is fixedly connected to the inner surface of each ear plate 4, a first fastening nut 7 and a second fastening nut 8 are arranged on the outer surface of the adjusting rod 6, the first fastening nut 7 is positioned above the ear plate 4, the second fastening nut 8 is positioned below the ear plate 4, a first damping gasket 9 is arranged between the first fastening nut 7 and the ear plate 4, a second damping gasket 10 is arranged between the second fastening nut 8 and the ear plate 4, a corrosion-resistant corrugated pipe 11 is fixedly connected to the inner surface of the corrugated metal pipe 1, the external of the metal corrugated pipe 1 is provided with a heat preservation corrugated pipe 12, and a heat preservation filling layer 13 is arranged between the metal corrugated pipe 1 and the heat preservation corrugated pipe 12.

Circulation opening 14 has been seted up to corrosion-resistant bellows 11's internal surface, corrosion-resistant bellows 11, corrugated metal pipe 1 and heat preservation bellows 12's cross-section all is ring shape, corrugated metal pipe 1's surface intermediate position has cup jointed beaded finish 15, damping sleeve 5, first shock absorber gasket 9, second shock absorber gasket 10 is the rubber material, corrugated heat preservation pipe 12 is the glass fiber material, heat preservation filling layer 13 is aluminium silicate heat preservation cotton, corrosion-resistant bellows 11 is the PTFE material, damping sleeve 5's internal surface is equipped with the screw thread, damping sleeve 5 passes through screw thread and adjusts 6 threaded connection of pole.

The working principle is as follows: when in use, the first damping gasket 9 and the second damping gasket 10 are additionally arranged between the first fastening nut 7 and the second fastening nut 8 and the ear plate 4, and the damping sleeve 5 is additionally arranged on the inner surface of the ear plate 4, so that the shock wave can be prevented from being conducted through the adjusting rod 6, the shock and noise of the compensator for absorbing the pipeline can be improved, good shock resistance can be achieved, the corrosion resistance corrugated pipe 11 made of PTFE can resist the corrosion of acid, alkali and salt with various concentrations, the compensator pressure of the metal corrugated pipe 1 can be kept, the compensator is not afraid of collision, meanwhile, the external heat insulation corrugated pipe 12 and the heat insulation filling layer 13 can isolate the external temperature and the internal temperature of the compensator, the influence of the external temperature on the internal temperature of the compensator can be effectively reduced, the severe expansion or contraction caused by the large temperature change of the compensator can be avoided, and the service life of the compensator can be greatly prolonged, the utility model provides a compensator has good anti-seismic performance, and corrosion resisting property is strong, and thermal-insulated heat preservation is effectual, reduces the influence that ambient temperature caused to the compensator, has also promoted its inside corrosion resistance, prolongs its life greatly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The small steam turbine compensator comprises a corrugated metal pipe (1) and is characterized in that a first flange (2) is fixedly connected to the upper end of the corrugated metal pipe (1), a second flange (3) is fixedly connected to the lower end of the corrugated metal pipe (1), lug plates (4) are fixedly connected to the two ends of the first flange (2) and the second flange (3), the two lug plates (4) are connected through adjusting rods (6), damping sleeves (5) are fixedly connected to the inner surfaces of the lug plates (4), first fastening nuts (7) and second fastening nuts (8) are arranged on the outer surfaces of the adjusting rods (6), the first fastening nuts (7) are located above the lug plates (4), the second fastening nuts (8) are located below the lug plates (4), and first damping gaskets (9) are arranged between the first fastening nuts (7) and the lug plates (4), be equipped with second shock attenuation gasket (10) between second fastening nut (8) and otic placode (4), the internal surface fixed connection of corrugated metal pipe (1) has corrosion-resistant bellows (11), the outside of corrugated metal pipe (1) is equipped with heat preservation bellows (12), be equipped with between corrugated metal pipe (1) and heat preservation bellows (12) heat preservation filling layer (13).

2. The small steam turbine compensator according to claim 1, wherein the corrosion-resistant corrugated pipe (11) is provided with a through hole (14) on an inner surface thereof, and the corrosion-resistant corrugated pipe (11), the metal corrugated pipe (1) and the heat-insulating corrugated pipe (12) are all circular in cross section.

3. The small turbine compensator according to claim 1, characterized in that a reinforcing ring (15) is sleeved on the middle position of the outer surface of the metal corrugated pipe (1).

4. The small turbine compensator according to claim 1, wherein the damping sleeve (5), the first damping washer (9) and the second damping washer (10) are made of rubber.

5. The small turbine compensator of claim 1, wherein the heat-insulating corrugated pipe (12) is made of glass fiber, the heat-insulating filling layer (13) is made of aluminum silicate heat-insulating cotton, and the corrosion-resistant corrugated pipe (11) is made of PTFE (polytetrafluoroethylene).

6. Small turbine compensator according to claim 1, characterized by the fact that the inner surface of the damping sleeve (5) is provided with a thread, the damping sleeve (5) being screwed with the adjusting rod (6) by means of a thread.