CN216950587U

CN216950587U - Exhaust pipeline assembly for gas turbine

Info

Publication number: CN216950587U
Application number: CN202220158981.2U
Authority: CN
Inventors: 张胜; 黄鑫; 吴萍萍
Original assignee: TAIZHOU FENGLING SUPER POWER EQUIPMENT CO LTD
Current assignee: TAIZHOU FENGLING SUPER POWER EQUIPMENT CO LTD
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-12
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses an exhaust pipeline assembly for a gas turbine, and relates to the technical field of exhaust pipeline assemblies. According to the utility model, the first cylinder and the seamless steel pipe are subjected to heat insulation protection through the heat insulation cotton, so that the problems that a large amount of high-temperature tail gas can be generated in the working process of the conventional gas turbine, and the conventional exhaust pipeline assembly has large thermal stress in the tail gas emission process, so that the pipeline is cracked, and the use is influenced are solved, the first cylinder and the seamless steel pipe are conveniently subjected to heat insulation, the practicability of the exhaust pipeline assembly is improved, and the service life of the exhaust pipeline assembly is prolonged.

Description

Exhaust pipeline assembly for gas turbine

Technical Field

The utility model relates to the technical field of exhaust pipeline assemblies, in particular to an exhaust pipeline assembly for a gas turbine.

Background

With the increasing problem of global warming and the increasing scarcity of mineral resources, the demand for various clean energy sources is important, however, the gas turbine is one of the clean energy sources. The gas turbine takes continuously flowing gas as a medium to drive the impeller to rotate at a high speed, so that the energy of fuel is converted into mechanical energy. The following problems exist in the prior art:

1. the existing gas turbine can generate a large amount of high-heat tail gas in the working process, and the existing exhaust pipeline assembly has large thermal stress in the tail gas emission process, so that the pipeline is cracked, and the use is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an exhaust pipeline assembly for a gas turbine, which aims to have the characteristics of improving the practicability and the service life of the exhaust pipeline assembly and solve the problems that a large amount of high-temperature tail gas is generated in the working process of the existing gas turbine, and the existing exhaust pipeline assembly has large thermal stress in the tail gas emission process, so that the pipeline is cracked and the use is influenced.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the utility model provides an exhaust duct assembly for gas turbine, includes a barrel and No. two barrels, No. two barrels set up the inner chamber at a barrel, the one end of No. two barrels extends to the outside of a barrel one end, the outer wall fixedly connected with seamless steel pipe of a barrel, the one end fixedly connected with flange of seamless steel pipe, the outer wall fixed of a barrel and seamless steel pipe has cup jointed thermal-insulated cotton, the outer wall fixedly connected with closing plate of a barrel.

The technical scheme of the utility model is further improved as follows: one end of the inner cavity of the second horn body is fixedly connected with a fixed disc, and the other end of the inner cavity of the second horn body is fixedly connected with a fixed ring.

The technical scheme of the utility model is further improved as follows: the inner chamber of No. two barrels is provided with No. two nonrust steel pipes, the quantity of No. two nonrust steel pipes is four, four every two of No. two nonrust steel pipes are a set of, and is two sets of No. two nonrust steel pipes distribute in the inner chamber of No. two barrels, the both ends of No. two nonrust steel pipes extend to the outside of No. two barrels, No. three nonrust steel pipes have been cup jointed to the inside of No. two nonrust steel pipes, the both ends of No. three nonrust steel pipes extend to the outside of a barrel.

The technical scheme of the utility model is further improved as follows: the sealing plate is fixedly sleeved on the outer wall of the third stainless steel pipe, the outer wall of the first cylinder is fixedly connected with a positioning plate, and the positioning plate is sleeved at one end of the outer wall of the third stainless steel pipe.

The technical scheme of the utility model is further improved as follows: fixed the cup jointing of one end of a barrel outer wall has solid fixed ring No. one, the outer wall of a barrel is fixed to be cup jointed No. two and is fixed the ring.

The technical scheme of the utility model is further improved as follows: the outer wall of one end of the first horn body is fixedly connected with a first stainless steel pipe.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the technical progress that:

1. the utility model provides an exhaust pipeline assembly for a gas turbine, which is characterized in that a first cylinder and a seamless steel pipe are subjected to heat insulation protection through heat insulation cotton, so that the problems that the existing gas turbine can generate a large amount of high-temperature tail gas in the working process, the existing exhaust pipeline assembly has large thermal stress in the tail gas emission process, the pipeline generates cracks, and the use is influenced are solved, the first cylinder and the seamless steel pipe are conveniently subjected to heat insulation, the practicability of the exhaust pipeline assembly is improved, and the service life of the exhaust pipeline assembly is prolonged.

2. The utility model provides an exhaust pipeline assembly for a gas turbine, which is convenient for positioning two ends of a third stainless steel pipe through positioning plates, and simultaneously seals between the outer wall of the third stainless steel pipe and a first sleeve body through a sealing plate, so that tail gas is prevented from being discharged from a gap between the outer wall of the third stainless steel pipe and the first sleeve body, and the practicability of the exhaust pipeline assembly is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a structural side view of a first barrel of the utility model;

FIG. 3 is a structural sectional view of the thermal insulation batt of the present invention;

FIG. 4 is a structural sectional view of a first barrel of the present invention;

FIG. 5 is a schematic view of a fixing ring structure according to the present invention;

FIG. 6 is a schematic structural view of a first stainless steel tube according to the present invention.

In the figure: 1. a first cylinder body; 2. a second cylinder body; 3. a first fixing ring; 4. a second fixing ring; 5. a flange; 6. fixing the disc; 7. fixing the circular ring; 8. positioning a plate; 9. sealing plates; 10. a stainless steel tube I; 11. a second stainless steel tube; 12. stainless steel tube No. three; 13. seamless steel pipes; 14. and (4) heat insulation cotton.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-6, the utility model provides an exhaust pipeline assembly for a gas turbine, which comprises a first cylinder 1 and a second cylinder 2, wherein the second cylinder 2 is arranged in an inner cavity of the first cylinder 1, one end of the second cylinder 2 extends to the outside of one end of the first cylinder 1, a seamless steel pipe 13 is fixedly connected to the outer wall of the first cylinder 1, one end of the seamless steel pipe 13 is fixedly connected with a flange 5, and heat insulation cotton 14 is fixedly sleeved on the outer walls of the first cylinder 1 and the seamless steel pipe 13.

In this embodiment, thermal-insulated cotton 14 has high temperature resistant, difficult burning, characteristics such as coefficient of thermal conductivity is low, through thermal-insulated cotton 14 to barrel 1 and seamless steel pipe 13 thermal-insulated heat preservation, prevent that the exhaust duct subassembly from having great thermal stress at exhaust emission in-process, lead to the pipeline to produce the crackle, influence the use, make practicality and the life who improves the exhaust duct subassembly, and through barrel 1 and No. two barrel 2 with thermal-insulated cotton 14's design, noise when can reducing exhaust emission.

Example 2

As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the outer wall of the first cylinder 1 is fixedly connected with a sealing plate 9, the inner cavity of the second cylinder 2 is provided with a second stainless steel tube 11, the number of the second stainless steel tube 11 is four, every two of the four second stainless steel tubes 11 are a group, two groups of the second stainless steel tubes 11 are distributed in the inner cavity of the second cylinder 2, two ends of the second stainless steel tubes 11 extend to the outside of the second cylinder 2, the inside of the second stainless steel tubes 11 is sleeved with a third stainless steel tube 12, two ends of the third stainless steel tube 12 extend to the outside of the first cylinder 1, the sealing plate 9 is fixedly sleeved on the outer wall of the third stainless steel tube 12, the outer wall of the first cylinder 1 is fixedly connected with a positioning plate 8, the positioning plate 8 is sleeved on one end of the outer wall of the third stainless steel tube 12, one end of the inner cavity of the second cylinder 2 is fixedly connected with a fixing disc 6, the other end of the inner cavity of the second cylinder 2 is fixedly connected with a fixing ring 7, fixed the cup jointing of one end of barrel 1 outer wall has solid fixed ring 3 No. one, and the outer wall of barrel 1 is fixed to be cup jointed No. two and is fixed ring 4, and the outer wall fixedly connected with stainless steel pipe 10 No. one of barrel 1 one end.

In this embodiment, be convenient for fix a position the both ends of No. three stainless steel pipe 12 through locating plate 8, seal between the outer wall of No. three stainless steel pipe 12 and barrel 1 through closing plate 9 simultaneously, prevent that tail gas from discharging from the gap between the outer wall of No. three stainless steel pipe 12 and barrel 1 for improve the practicality of exhaust duct subassembly.

The operation of the exhaust duct assembly for a gas turbine will be described in detail below.

As shown in fig. 1-6, when the exhaust pipe assembly is used, the exhaust pipe assembly is installed on a corresponding component of a gas turbine, when the gas turbine discharges tail gas, the first cylinder 1 and the seamless steel pipe 13 are insulated and thermally insulated through the heat insulation cotton 14, the two ends of the third stainless steel pipe 12 are conveniently positioned through the positioning plate 8, meanwhile, the outer wall of the third stainless steel pipe 12 and the first cylinder 1 are sealed through the sealing plate 9, and the tail gas is prevented from being discharged from a gap between the outer wall of the third stainless steel pipe 12 and the first cylinder 1.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the utility model without departing from the spirit of the inventive concept.

Claims

1. The utility model provides an exhaust duct assembly for gas turbine, includes barrel (1) and No. two barrel (2), No. two barrel (2) set up the inner chamber at barrel (1), the one end of No. two barrel (2) extends to the outside of barrel (1) one end, its characterized in that: the outer wall fixedly connected with seamless steel pipe (13) of barrel (1), the one end fixedly connected with flange (5) of seamless steel pipe (13), the outer wall fixed cup joint of barrel (1) and seamless steel pipe (13) has thermal-insulated cotton (14), the outer wall fixedly connected with closing plate (9) of barrel (1).

2. The exhaust duct assembly for a gas turbine according to claim 1, wherein: one end of the inner cavity of the second cylinder body (2) is fixedly connected with a fixed disc (6), and the other end of the inner cavity of the second cylinder body (2) is fixedly connected with a fixed ring (7).

3. The exhaust duct assembly for a gas turbine according to claim 1, wherein: the inner chamber of No. two barrel (2) is provided with No. two nonrust steel pipe (11), the quantity of No. two nonrust steel pipe (11) is four, four per two of No. two nonrust steel pipe (11) are a set of, and are two sets of No. two nonrust steel pipe (11) distribute in the inner chamber of No. two barrel (2), the both ends of No. two nonrust steel pipe (11) extend to the outside of No. two barrel (2), No. three nonrust steel pipe (12) have been cup jointed to the inside of No. two nonrust steel pipe (11), the both ends of No. three nonrust steel pipe (12) extend to the outside of barrel (1).

4. The exhaust duct assembly for a gas turbine according to claim 1, wherein: the sealing plate (9) is fixedly sleeved on the outer wall of the third stainless steel pipe (12), the outer wall of the first cylinder body (1) is fixedly connected with a positioning plate (8), and the positioning plate (8) is sleeved at one end of the outer wall of the third stainless steel pipe (12).

5. The exhaust duct assembly for a gas turbine according to claim 1, wherein: fixed the cup jointing of one end of a barrel (1) outer wall has solid fixed ring (3) No. one, the outer wall of a barrel (1) is fixed to be cup jointed No. two solid fixed ring (4).

6. The exhaust duct assembly for a gas turbine according to claim 1, wherein: the outer wall of one end of the first cylinder body (1) is fixedly connected with a first stainless steel pipe (10).