CN212203558U

CN212203558U - Compound expansion joint for desulfurization well

Info

Publication number: CN212203558U
Application number: CN202020793839.6U
Authority: CN
Inventors: 顾桂祥
Original assignee: Jiangsu Huaneng Conveying Equipment Co ltd
Current assignee: Jiangsu Huaneng Conveying Equipment Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-12-22
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a desulfurization is compound expansion joint for well relates to expansion joint technical field, for solving current desulfurization well expansion joint lack effective protection mechanism to the bellows at the in-process that uses, lead to the bellows to damage the problem that the back compensation arouses additional stress performance variation because of temperature difference and mechanical vibration. The expansion joint comprises an expansion joint main body and is characterized in that a corrugated pipe is arranged inside the expansion joint main body, fixed circular plates are respectively installed at two ends of the corrugated pipe, a limiting circular ring is arranged on the outer wall of one side of each fixed circular plate, two semicircular sheaths are installed outside the corrugated pipe, two connecting plates are arranged at two ends of each semicircular sheath, an extending plate is arranged between the connecting plates, the extending plate and the connecting plates are of an integrated structure with the semicircular sheaths, and sealing bushes are installed at two ends of each semicircular sheath.

Description

Compound expansion joint for desulfurization well

Technical Field

The utility model relates to an expansion joint technical field specifically is a compound expansion joint is used to desulfurization well.

Background

An expansion joint refers to a flexible element that effectively functions to compensate for axial deformation. For example, the expansion joint welded on the shell of the fixed tube-plate heat exchanger has large axial flexibility and easy deformation, can compensate the thermal expansion difference generated by the tube and the shell due to different wall temperatures, and reduces the axial load of the tube and the shell, thereby reducing the temperature difference stress of the tube, the tube plate and the shell and avoiding causing strength damage, instability damage and tube pull-out damage. The expansion joint has many kinds, and the common structures include wave shape, ring plate welding and clamping shell type, wherein the wave shape expansion joint is most widely used, the ring plate welding expansion joint is only suitable for normal pressure or low pressure occasions, the expansion joint is also called as a compensator or an expansion joint in habit, because the expansion joint is used as an elastic compensation element which can freely expand and contract, the expansion joint has the advantages of reliable work, good performance, compact structure and the like, and has been widely applied in the departments of chemical industry, metallurgy, nuclear energy and the like.

The existing expansion joint for the desulfurization well lacks an effective protection mechanism for a corrugated pipe in the use process, so that the performance of compensating additional stress caused by temperature difference and mechanical vibration after the corrugated pipe is damaged is poor, and therefore the composite expansion joint for the desulfurization well is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound expansion joint is used to desulfurization well to the current expansion joint is used to desulfurization well that proposes in solving above-mentioned background art lacks effective protection mechanism to the bellows at the in-process that uses, leads to the bellows to damage the problem that the back compensation arouses additional stress performance variation because of temperature difference and mechanical vibration.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compound expansion joint for desulfurization well, includes the expansion joint main part, the inside of expansion joint main part is provided with the bellows, fixed plectane is installed respectively at the both ends of bellows, be provided with spacing ring on one side outer wall of fixed plectane, the externally mounted of bellows has two semicircle sheaths, two the both ends of semicircle sheath all are provided with two connecting plates, two be provided with the extension board between the connecting plate, and extension board and connecting plate all with semicircle sheath structure as an organic whole, two seal bush is all installed at the both ends of semicircle sheath.

Preferably, four mounting holes are formed in the fixed circular plate, and the fixed circular plate is fixedly mounted to the expansion joint body through mounting screws in the mounting holes.

Preferably, the inside of spacing ring is provided with the ring recess, the inside of ring recess is provided with the magnet ring, and two semicircle sheaths pass through magnet ring and ring recess adsorption connection.

Preferably, the two semicircular sheaths are located outside the limiting circular ring, and the outer wall of the limiting circular ring is tightly attached to the inner wall of the semicircular sheath.

Preferably, two the inside of connecting plate all is provided with the butt joint hole, the internally mounted in butt joint hole has connecting bolt, and two connecting plates pass through the fixed butt joint of butt joint hole internally mounted connecting bolt.

Preferably, the inside of seal bush is provided with inside lining ring board, and the diameter of inside lining ring board equals the internal diameter of semicircle sheath, be provided with the holding tank on the outer wall of seal bush, and the size of holding tank equals the size sum of two connecting plate combinations.

Preferably, a mounting groove is formed between the inner wall of the sealing bushing and the outer wall of the lining ring plate, and the sealing bushing is attached to and mounted at two ends of the semicircular sheath through the mounting groove.

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

1. the utility model discloses a thereby the fixed equipment of two semicircle sheaths is fixed to construction bolt in the inside butt joint hole of connecting plate, the in-process of equipment, two semicircle sheaths wrap up the outside at the expansion joint main part with the position benchmark at spacing ring place, in order to reach the purpose of protection expansion joint bellows structure, overcome current expansion joint for desulfurization well and lack effective protection mechanism to the bellows at the in-process that uses, lead to the bellows to damage the problem that the back compensation arouses additional stress performance variation because of temperature difference and mechanical vibration.

2. Through installing the both ends of two semicircle sheaths with seal bushing, seal bushing closely laminates with the outer wall of fixed plectane to the sealing performance of two semicircle sheaths after having strengthened the equipment has improved the intensity of protecting the bellows.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

fig. 3 is a schematic structural view of the fixed circular plate of the present invention;

FIG. 4 is a schematic view of a semicircular sheath structure of the present invention;

FIG. 5 is a schematic view of the structure of the sealing bush of the present invention;

in the figure: 1. an expansion joint body; 2. a semicircular sheath; 3. a seal bushing; 4. a connecting plate; 5. a connecting bolt; 6. an extension plate; 7. fixing the circular plate; 8. a limiting ring; 9. a circular groove; 10. a magnet ring; 11. a bellows; 12. mounting holes; 13. a butt joint hole; 14. mounting grooves; 15. accommodating grooves; 16. and a lining ring plate.

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. 1-5, the present invention provides an embodiment: the utility model provides a compound expansion joint for desulfurization well, including expansion joint main part 1, expansion joint main part 1's inside is provided with bellows 11, fixed plectane 7 is installed respectively at bellows 11's both ends, be provided with spacing ring 8 on one side outer wall of fixed plectane 7, bellows 11's externally mounted has two semicircle sheaths 2, two semicircle sheaths 2's both ends all are provided with two connecting plates 4, be provided with extension plate 6 between two connecting plates 4, and extension plate 6 and connecting plate 4 all with semicircle sheath 2 structure as an organic whole, sealing bush 3 is all installed at two semicircle sheaths 2's both ends.

Furthermore, four mounting holes 12 are provided inside the fixed circular plate 7, and the fixed circular plate 7 is fixedly mounted to the expansion joint body 1 by mounting screws inside the mounting holes 12, and the four mounting holes 12 provided inside the fixed circular plate 7 function as mounting screws, and the fixed circular plate is fixedly mounted to the outer walls of both ends of the expansion joint body 1 by screws.

Further, the inside of spacing ring 8 is provided with ring groove 9, and the inside of ring groove 9 is provided with magnet ring 10, and two semicircle sheaths 2 adsorb through magnet ring 10 and ring groove 9 and be connected, and the ring groove 9 of the inside setting of spacing ring 8 plays the fixed effect that holds magnet ring 10, and the magnet ring 10 of the inside setting of ring groove 9 plays the effect that is convenient for semicircle sheath 2 and the absorption of spacing ring 8 installation of metal material.

Further, two semicircle sheaths 2 all are located the outside of spacing ring 8, and the outer wall of spacing ring 8 closely laminates with the inner wall of semicircle sheath 2, and two semicircle sheaths 2 all are located the outside of spacing ring 8 and make spacing ring 8 carry out spacing support to two semicircle sheaths 2, and the outer wall of spacing ring 8 closely laminates with the inner wall of semicircle sheath 2 and can be so that installing inseparabler.

Further, the inside of two connecting plates 4 all is provided with butt joint hole 13, and the internally mounted of butt joint hole 13 has connecting bolt 5, and two connecting plates 4 are through the fixed butt joint of 13 internally mounted connecting bolt 5 of butt joint hole, and butt joint hole 13 that two connecting plates 4's inside all set up plays the effect of two connecting plates 4 combination butt joints of being convenient for, and the internally mounted connecting bolt 5 of butt joint hole 13 plays the effect of fixed combination connecting plate 4.

Further, the inside of seal bush 3 is provided with inside backing ring 16, and the diameter of inside backing ring 16 equals the internal diameter of semicircle sheath 2, is provided with holding tank 15 on seal bush 3's the outer wall, and the size of holding tank 15 equals the size of two connecting plate 4 combinations with, the inside backing ring 16 of seal bush 3's inside setting play with the effect of 2 inner wall laminating installations of semicircle sheath, the holding tank 15 that sets up on seal bush 3's the outer wall plays the effect of holding connecting plate 4.

Further, be provided with mounting groove 14 between the inner wall of sealing bush 3 and the outer wall of inside lining ring board 16, and sealing bush 3 passes through the both ends laminating installation of mounting groove 14 with semicircle sheath 2, and mounting groove 14 that sets up between the inner wall of sealing bush 3 and the outer wall of inside lining ring board 16 plays the effect of being convenient for sealing bush 3 and the installation of semicircle sheath 2 both ends.

The working principle is as follows: during the use, install the both ends of two semicircle sheaths 2 with sealing bush 3 through mounting groove 14, then splice two semicircle sheaths 2 combinations in the outside of bellows 11, thereby through the fixed equipment of two semicircle sheaths 2 of construction bolt in the inside butt joint hole 13 of connecting plate 4, the in-process of equipment, two semicircle sheaths 2 wrap up the outside at expansion joint main part 1 with the position benchmark at spacing ring 8 place, in order to reach the purpose of protection expansion joint bellows 11 structure, sealing bush 3 closely laminates with the outer wall of fixed plectane 7, thereby the sealing performance of two semicircle sheaths 2 after having strengthened the equipment, the intensity of protection to bellows 11 has been improved, the equipment of accomplishing compound expansion joint for the desulfurization well is used work.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a compound expansion joint for desulfurization well, includes expansion joint main part (1), its characterized in that: the expansion joint is characterized in that a corrugated pipe (11) is arranged inside the expansion joint main body (1), fixed circular plates (7) are respectively installed at two ends of the corrugated pipe (11), a limiting circular ring (8) is arranged on the outer wall of one side of each fixed circular plate (7), two semicircular sheaths (2) are installed outside the corrugated pipe (11), two connecting plates (4) are arranged at two ends of each semicircular sheath (2), an extension plate (6) is arranged between the connecting plates (4), and the extension plate (6) and the connecting plates (4) are of an integrated structure with the semicircular sheaths (2), two sealing bushings (3) are installed at two ends of the semicircular sheaths (2).

2. The composite expansion joint for the desulfurization well according to claim 1, characterized in that: four mounting holes (12) are formed in the fixed circular plate (7), and the fixed circular plate (7) is fixedly mounted with the expansion joint main body (1) through mounting screws arranged in the mounting holes (12).

3. The composite expansion joint for the desulfurization well according to claim 1, characterized in that: the inside of spacing ring (8) is provided with ring groove (9), the inside of ring groove (9) is provided with magnet ring (10), and two semicircle sheaths (2) adsorb through magnet ring (10) and ring groove (9) and be connected.

4. The composite expansion joint for the desulfurization well according to claim 3, characterized in that: two semicircle sheath (2) all are located the outside of spacing ring (8), and the outer wall of spacing ring (8) closely laminates with the inner wall of semicircle sheath (2).

5. The composite expansion joint for the desulfurization well according to claim 1, characterized in that: two the inside of connecting plate (4) all is provided with butt joint hole (13), the internally mounted of butt joint hole (13) has connecting bolt (5), and two connecting plates (4) are through butt joint hole (13) internally mounted connecting bolt (5) fixed butt joint.

6. The composite expansion joint for the desulfurization well according to claim 1, characterized in that: the inside of sealing bush (3) is provided with inside lining crown plate (16), and the diameter of inside lining crown plate (16) equals the internal diameter of semicircle sheath (2), be provided with holding tank (15) on the outer wall of sealing bush (3), and the size of holding tank (15) equals the size sum of two connecting plate (4) combinations.

7. The composite expansion joint for the desulfurization well according to claim 6, characterized in that: be provided with mounting groove (14) between the inner wall of sealing bush (3) and the outer wall of inside lining crown plate (16), and sealing bush (3) passes through the both ends laminating installation of mounting groove (14) and semicircle sheath (2).