CN214368597U - Be used for heavy combustion engine nonmetal expansion joint to combine and protect ring subassembly - Google Patents

Abstract

The utility model discloses a combined guard ring component for heavy gas turbine nonmetal expansion joints, wherein the combined guard ring component body is provided with a component main body with a hollow inner part, the middle of the component main body is an arched body, two sides of the arched body are respectively provided with a connecting flange, and the connecting flange is provided with a connecting hole which is penetrated up and down; at the bottom of subassembly main part internally mounted metal steel foil holds in the palm, the upper end is range upon range of in proper order and is laid high temperature resistant cloth one, keep warm cotton two, keep warm cotton one and high temperature resistant cloth two and keep warm thermal-insulated, and the material of keeping warm cotton two and keeping warm cotton one is for thermal-insulated heat preservation and heat-resisting aluminium silicate cotton, the utility model discloses hold in the palm the end installation with metal steel foil, the upper end is equipped with a plurality of high temperature resistant cottons, and the range upon range of parcel of external high temperature resistant cloth satisfies the safe operation of heavy combustion engine under long-term operation and the higher operating mode of vibration frequency.

Description

Be used for heavy combustion engine nonmetal expansion joint to combine and protect ring subassembly

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 to protect ring subassembly.

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 combustion engine is a high-power combustion engine 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 with higher vibration frequency are required, the traditional single-piece type spring steel material protection ring in the expansion joint with the conventional structure arranged 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 cannot be matched with the three-dimensional thermal expansion of the exhaust pipeline of the heavy-duty combustion engine, the leakage of the high-temperature exhaust pipeline is easily caused, and the safe operation of the heavy-duty combustion engine under the working conditions of long-term operation and higher vibration frequency cannot be met, particularly, a combined protection ring in a nonmetal expansion joint on the exhaust pipeline of a high-temperature boiler needs a flexible high-temperature-resistant and heat-resistant assembly structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a combined retaining ring component for the nonmetal expansion joint of the heavy-duty gas turbine, wherein the combined retaining ring component body is provided with a hollow component main body, the middle of the component main body is an arched body, two sides of the arched body are respectively provided with a connecting flange, and the connecting flanges are respectively provided with a connecting hole which is penetrated up and down; at the bottom of subassembly main part internally mounted metal steel foil holds in the palm, the upper end is range upon range of in proper order and is laid high temperature resistant cloth one, keep warm cotton two, keep warm cotton one and high temperature resistant cloth two and keep warm thermal-insulated, and the material of keeping warm cotton two and keeping warm cotton one is for thermal-insulated heat preservation and heat-resisting aluminium silicate cotton, the utility model discloses hold in the palm the end installation with metal steel foil, the upper end is equipped with a plurality of high temperature resistant cottons, and the range upon range of parcel of external high temperature resistant cloth satisfies the safe operation of heavy combustion engine under long-term operation and the higher operating mode of vibration frequency.

In order to achieve the above purpose, the technical scheme of the utility model is that: the nonmetal expansion joint combined retaining ring assembly for the heavy-duty gas turbine comprises a combined retaining ring assembly body, wherein the combined retaining ring assembly body is provided with an assembly main body with a hollow inner part, the middle of the assembly main body is an arch, two sides of the arch are respectively provided with a connecting flange, and the connecting flanges are respectively provided with a connecting hole which penetrates through the arch up and down;

the bottom of the component main body is internally provided with a metal steel foil support, the upper end of the metal steel foil is stacked and paved with a first high-temperature-resistant cloth for heat preservation, the upper end of the first high-temperature-resistant cloth is stacked and paved with a second heat-preservation cotton for heat insulation, the upper end of the second heat-preservation cotton is stacked and paved with a first heat-preservation cotton, and the upper end of the first heat-preservation cotton is stacked and paved with a second high-temperature-resistant cloth for heat preservation and heat insulation.

And further setting that the second heat-preservation cotton and the first heat-preservation cotton are made of aluminum silicate cotton.

Further setting, the shape of the first heat-preservation cotton, the second heat-preservation cotton, the first high-temperature-resistant cloth, the metal steel foil and the second high-temperature-resistant cloth is consistent with the shape of the inner cavity of the assembly main body, through holes are formed in the two sides of the first heat-preservation cotton, the second heat-preservation cotton, the first high-temperature-resistant cloth, the metal steel foil and the second high-temperature-resistant cloth, and after the first heat-preservation cotton, the second heat-preservation cotton, the first high-temperature-resistant cloth, the metal steel foil and the second high-temperature-resistant cloth are stacked and crossed in the inner cavity of the assembly main body, the through holes in the two sides and the connecting holes form an integral connecting through hole.

The utility model has the advantages that: the utility model discloses hold in the palm the end installation with metal foil, the upper end is equipped with a plurality of high temperature resistant cottons, and the range upon range of parcel of external high temperature resistant cloth satisfies 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 retaining ring assembly comprises a combined retaining ring assembly body 1, an assembly main body 2, an arch body 3, a connecting flange 4, a first heat-preservation cotton 5, a second heat-preservation cotton 6, a first high-temperature-resistant cloth 7, a metal steel foil 8, a second high-temperature-resistant cloth 9, a connecting hole 10 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 fig. 1, a nonmetal expansion joint combined guard ring component for a heavy-duty combustion engine, a combined guard ring component body 1 is provided with a component main body 2 with a hollow inner part, the middle of the component main body 2 is provided with an arch body 3, two sides of the arch body 3 are respectively provided with a connecting flange 4, and the connecting flanges 4 are respectively provided with a connecting hole 10 which penetrates through the upper part and the lower part;

the metal steel foil 8 support is arranged inside the component main body 2, the upper end of the metal steel foil 8 is sequentially stacked and paved with a first heat-resistant cloth 7, a second heat-insulation cotton 6, a first heat-insulation cotton 5 and a second heat-resistance cloth 9 for heat preservation and heat insulation, the first heat-insulation cotton 6 and the first heat-insulation cotton 5 are made of heat-insulation and heat-insulation flexible aluminum silicate cotton, the first heat-insulation cotton 5, the second heat-insulation cotton 6, the first heat-resistance cloth 7, the metal steel foil 8 and the second heat-resistance cloth 9 are all in the same shape as the inner cavity of the component main body 2, through holes are formed in the two sides of the first heat-insulation cotton 5, the second heat-insulation cotton 6, the first heat-resistance cloth 7, the metal steel foil 8 and the second heat-resistance cloth 9, after the first heat-insulation cotton 5, the second heat-insulation cotton 6, the first heat-resistance cloth 7, the metal steel foil 8 and the second heat-resistance cloth 9 are stacked and cross-installed in the inner cavity of the component main body 2, and the through holes and the connecting holes in the two sides form an integral connecting through hole.

As shown in fig. 2, the utility model discloses install inside nonmetal expansion joint 1001, the centre is the arch, hold in the palm the end installation with the metal steel foil, the upper end is equipped with a plurality of high temperature resistant cottons, the range upon range of parcel of the outer high temperature resistant cloth, when being heated at high temperature, 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 seamlessly, and satisfy the flexible expansion of flue, prevent that exhaust duct's high temperature flue gas from leaking outward, 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, heavy combustion engine exhaust duct's three-dimensional thermal energy displacement has effectively been solved, the inflation that is applicable to heavy combustion engine exhaust duct absorbs.

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 (3)

1. The utility model provides a be used for heavy combustion engine nonmetal expansion joint to unite retaining ring subassembly which characterized in that: the combined retaining ring assembly comprises a combined retaining ring assembly body (1), wherein the combined retaining ring assembly body (1) is provided with an assembly main body (2) with a hollow inner part, an arch body (3) is arranged in the middle of the assembly main body (2), two sides of the arch body (3) are respectively provided with a connecting flange (4), and the connecting flanges (4) are provided with connecting holes (10) which penetrate through up and down;

the utility model discloses a heat preservation and insulation assembly, including subassembly main part (2) internally mounted metal steel foil (8) hold in the palm the end, metal steel foil (8) upper end is range upon range of to be laid high temperature resistant cloth (7) and is kept warm, it is thermal-insulated that heat preservation cotton two (6) are laid to range upon range of high temperature resistant cloth (7) upper end, it keeps warm cotton (5) to lay heat preservation cotton two (9) to keep warm cotton (5) upper end range upon range of, it keeps warm to lay high temperature resistant cloth two (9) to keep warm thermal-insulated to keep warm cotton (5) upper end range upon range of.

2. The non-metallic expansion joint shroud assembly for a heavy duty combustion engine as defined in claim 1, wherein: the second heat-preservation cotton (6) and the first heat-preservation cotton (5) are made of aluminum silicate cotton.

3. The non-metallic expansion joint shroud assembly for a heavy duty combustion engine as defined in claim 1, wherein: the shape of the heat-insulating cotton I (5), the heat-insulating cotton II (6), the high-temperature-resistant cloth I (7), the metal steel foil (8) and the high-temperature-resistant cloth II (9) is consistent with the shape of the inner cavity of the assembly main body (2), the through holes are formed in the two sides of the heat-insulating cotton I (5), the heat-insulating cotton II (6), the high-temperature-resistant cloth I (7), the metal steel foil (8) and the high-temperature-resistant cloth II (9), the heat-insulating cotton I (5), the heat-insulating cotton II (6), the high-temperature-resistant cloth I (7), the metal steel foil (8) and the high-temperature-resistant cloth II (9) are arranged in a stacked and crossed mode in the inner cavity of the assembly main body (2), and the through holes in the two sides and the connecting holes (10) form a whole connecting through hole.

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