CN215173178U - Be used for heavy combustion engine nonmetal expansion joint to unite retaining ring - Google Patents
Be used for heavy combustion engine nonmetal expansion joint to unite retaining ring Download PDFInfo
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- CN215173178U CN215173178U CN202120048518.8U CN202120048518U CN215173178U CN 215173178 U CN215173178 U CN 215173178U CN 202120048518 U CN202120048518 U CN 202120048518U CN 215173178 U CN215173178 U CN 215173178U
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- temperature resistant
- resistant cloth
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Abstract
The utility model discloses a be used for heavy combustion engine nonmetal expansion joint to unite retaining ring, unite the retaining ring body and establish inside hollow shell type main part, the flange is respectively established to the both sides of the hunch body in the middle of the shell type main part, and the connecting hole that runs through about the flange is all established, and from down in the shell type main part and insert installation metal parcel spare in proper order, high temperature resistant cloth three, sheetmetal two, high temperature resistant cloth two, sheetmetal one, the elastic steel band of stainless steel, high temperature resistant cloth one and heat-resisting nickel-chromium ferroalloy's isolation silk screen, the utility model discloses establish the elastic steel band of stainless steel in the middle of, a plurality of metal steel foils and high temperature resistant cloth cross-laminated are established to the upper and lower ends of elastic steel band, and the metal steel foil and the high temperature resistant cloth upper end after the lamination cover heat-resisting alloy silk screen, satisfy the safe operation of heavy combustion engine under long-term running and the higher operating mode of vibration frequency.
Description
Technical Field
The utility model belongs to the technical field of a thermoelectric facilities technique and specifically relates to a be used for heavy combustion engine nonmetal expansion joint to combine retaining ring.
Background
Before the domestic high-power heavy-duty gas turbine is applied, actual operation and running-in tests are required to be carried out on a test bed, the arrangement of an exhaust pipeline of the test bed is the same as the configuration of the heavy-duty gas turbine in actual delivery field installation and application, the specification of the exhaust pipeline of the test bed is also the same as the specification of a butt joint pipeline configured after the heavy-duty gas turbine is actually applied, the test bed enters a test operation stage, when the heavy-duty gas turbine runs on the test bed and is subjected to the running-in tests, an exhaust port of the heavy-duty gas turbine is in butt joint with the exhaust pipeline of the test bed, and the heavy-duty gas turbine is started to operate and test. However, the heavy-duty gas turbine is a high-power gas turbine with hundreds of megawatts, the temperature of the discharged exhaust gas is extremely high, the pipe diameter and the length of an exhaust pipeline are extremely large, long-term operation and safe operation under industrial and mining conditions with high vibration frequency are required, the traditional single-piece type spring steel material protection ring in the expansion joint with the conventional structure mounted on the exhaust pipeline is not enough to meet the problems of heat preservation and irregular displacement and deformation stretching caused by the fact that the expansion joint is not matched with the three-dimensional thermal expansion of the exhaust pipeline of the heavy-duty gas turbine, leakage of the high-temperature exhaust pipeline is easily caused, and the safe operation of the heavy-duty gas turbine under the working conditions of long-term operation and high vibration frequency cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a be used for heavy combustion engine nonmetal expansion joint to unite retaining ring, unite the retaining ring body and establish inside hollow shell type main part, the flange is respectively established to the both sides of the hunch body in the middle of the shell type main part, the connecting hole that runs through about the flange is all established, follow in the shell type main part down and insert installation metal parcel spare in proper order, high temperature resistant cloth three, sheetmetal two, high temperature resistant cloth two, sheetmetal one, the elastic steel band of stainless steel, the isolation silk screen of high temperature resistant cloth one and heat-resisting nickel-chromium iron alloy, the utility model discloses the elastic steel band of stainless steel is established to the centre, and a plurality of metal steel foils and high temperature resistant cloth cross-lamination are established to the upper and lower extreme of elastic steel band, and the metal steel foil and the high temperature resistant cloth upper end after the lamination covers heat-resisting alloy silk screen, satisfy the safe operation of heavy combustion engine under long-term running and the higher operating mode of vibration frequency.
In order to achieve the above purpose, the technical scheme of the utility model is that: a nonmetal expansion joint combined retaining ring for a heavy-duty gas turbine comprises a combined retaining ring body, wherein the combined retaining ring body is provided with a sleeve type main body 5 with a hollow inner part, the middle of the sleeve type main body is an arch body, two sides of the arch body are respectively provided with a flange, and the flanges are respectively provided with a connecting hole which penetrates through the upper part and the lower part;
the utility model discloses a high temperature resistant cloth, including shell type main part, metal wrapping piece, metal sheet two, high temperature resistant cloth two, metal sheet two upper ends are range upon range of to be laid to the range upon range of high temperature resistant cloth three of laying in metal wrapping piece upper end, metal sheet one is laid to the range upon range of metal sheet two of laying in metal sheet two upper ends, metal sheet two upper ends are range upon range of to be laid metal sheet one, the metal sheet one deck is stacked and is laid the elastic steel band, the range upon range of high temperature resistant cloth one of laying in elastic steel band upper end, the range upon range of isolation silk screen of laying in high temperature resistant cloth one upper end.
Further, the isolating wire mesh is a heat-resistant nickel-chromium-iron alloy wire mesh.
Further, the elastic steel band is a stainless steel band.
Further, the metal wrapping piece, the metal sheet II and the metal sheet I are all metal steel foils.
The utility model has the advantages that: the utility model discloses establish the elastic steel band of stainless steel in the middle of, a plurality of metal steel foils and high temperature resistant cloth are alternately range upon range of to the upper and lower end of elastic steel band, and the metal steel foil and the high temperature resistant cloth upper end after the range upon range of cover heat-resisting alloy silk screen satisfy the safe operation of heavy combustion engine under long-term operation and the higher operating mode of vibration frequency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the installation of the non-metallic expansion joint of fig. 1.
In the figure: the combined protective ring comprises a combined protective ring body 1, an elastic steel belt 2, a first high-temperature-resistant cloth 3, an isolation silk screen 4, a sleeve type main body 5, a first metal sheet 6, a second high-temperature-resistant cloth 7, a second metal sheet 8, a third high-temperature-resistant cloth 9, a metal wrapping piece 10, a connecting hole 11, an arch body 12, a flange 13 and a first nonmetal expansion joint 1001.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
As shown in figure 1, the combined retaining ring for the nonmetal expansion joint of the heavy-duty combustion engine is characterized in that the middle of a combined retaining ring body 1 is in an upward arch shape, connecting holes are formed in connecting flanges at two ends of the arch shape and fixed with a nonmetal expansion joint I1001, an arch-shaped body 12 is arranged in the middle of a sleeve-type main body 5 which is hollow inside, flanges 13 are respectively arranged at two sides of the combined retaining ring body, the flanges 13 are respectively provided with a connecting hole 11 which penetrates up and down, a metal wrapping part 10 is inserted and installed inside the sleeve-type main body 5, a high temperature resistant cloth III 9 is stacked on the upper end of the metal wrapping part 10, a metal sheet II 8 is stacked on the upper end of the high temperature resistant cloth III 9, a high temperature resistant cloth II 7 is stacked on the upper end of the metal sheet II 8, a metal sheet I6 is stacked on the upper end of the high temperature resistant cloth II 7, an elastic steel strip 2 is stacked on the metal sheet I6, a high temperature resistant cloth I3 is stacked on the elastic steel strip 2, an isolation screen 4 is stacked on the high temperature resistant cloth I3, the elastic stainless steel strip is arranged in the middle of the combined retaining ring, the upper end and the lower end of the elastic steel band are provided with a plurality of metal steel foils and high-temperature-resistant cloth which are alternately laminated, and the upper ends of the laminated metal steel foils and the laminated high-temperature-resistant cloth are covered with a heat-resistant alloy wire mesh, so that the safe operation of the heavy-duty combustion engine under the working conditions of long-term operation and high vibration frequency is met.
The isolating wire mesh 4 is a heat-resistant nickel-chromium-iron alloy wire mesh, and is high in temperature resistance, stable in metal performance and high in fatigue resistance.
The elastic steel band 2 is a stainless steel band, has stable performance and is flexible and elastic.
The metal wrapping piece 10, the second metal sheet 8 and the first metal sheet 6 are all metal steel foils.
As shown in fig. 2, the utility model discloses install inside nonmetal expansion joint 1001, the centre is the arch, when high temperature is heated, can effectual release and buffering expansion space, and can absorb the stress that produces, ensure that nonmetal expansion joint 1001 is inside to keep warm seamless, and satisfy the flexible expansion of flue, prevent exhaust duct's high temperature flue gas and leak, the chooseing for use of material satisfies the safe operation of heavy combustion engine under long-term operation and the higher operating mode of vibration frequency, the three-dimensional thermal energy displacement of heavy combustion engine exhaust duct has effectively been solved, be applicable to the expansion absorption of heavy combustion engine exhaust duct.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. The skilled person in this trade also understands, the utility model is not limited by the above-mentioned embodiment, and the description only explains in above-mentioned embodiment and the description the principle of the utility model, does not deviate from the utility model discloses under the design category prerequisite, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of the utility model discloses within the scope, the protection scope of the utility model is defined by attached claim and its equivalent.
Claims (4)
1. The utility model provides a be used for heavy combustion engine nonmetal expansion joint to unite retaining ring which characterized in that: the combined protective ring comprises a combined protective ring body (1), wherein the combined protective ring body (1) is provided with a sleeve type main body (5) with a hollow inner part, an arch body (12) is arranged in the middle of the sleeve type main body (5), flanges (13) are respectively arranged on two sides of the arch body (12), and the flanges (13) are respectively provided with a connecting hole (11) which penetrates through the flanges up and down;
the utility model discloses a high temperature resistant cloth, including shell type main part (5), metal wrap spare (10) upper end is range upon range of lays three (9) of high temperature resistant cloth, three (9) upper ends of high temperature resistant cloth are range upon range of lays sheetmetal two (8), sheetmetal two (8) upper ends are range upon range of lays high temperature resistant cloth two (7), sheetmetal one (6) is range upon range of to lay sheetmetal two (7) upper end, elastic steel band (2) is range upon range of to lay elastic steel band (2) upper end is range upon range of to lay high temperature resistant cloth one (3), keep apart silk screen (4) is range upon range of to high temperature resistant cloth one (3) upper end is range upon range of to lay.
2. The non-metallic expansion joint grommet for a heavy duty combustion engine as defined in claim 1, wherein: the isolation silk screen (4) is a heat-resistant nickel-chromium-iron alloy silk screen.
3. The non-metallic expansion joint grommet for a heavy duty combustion engine as defined in claim 1, wherein: the elastic steel band (2) is a stainless steel band.
4. The non-metallic expansion joint grommet for a heavy duty combustion engine as defined in claim 1, wherein: the metal wrapping piece (10), the second metal sheet (8) and the first metal sheet (6) are all metal steel foils.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120048518.8U CN215173178U (en) | 2021-01-09 | 2021-01-09 | Be used for heavy combustion engine nonmetal expansion joint to unite retaining ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120048518.8U CN215173178U (en) | 2021-01-09 | 2021-01-09 | Be used for heavy combustion engine nonmetal expansion joint to unite retaining ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215173178U true CN215173178U (en) | 2021-12-14 |
Family
ID=79402647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120048518.8U Active CN215173178U (en) | 2021-01-09 | 2021-01-09 | Be used for heavy combustion engine nonmetal expansion joint to unite retaining ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215173178U (en) |
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2021
- 2021-01-09 CN CN202120048518.8U patent/CN215173178U/en active Active
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