CN210234231U - Heat-insulating coating for exhaust volute of marine gas turbine - Google Patents
Heat-insulating coating for exhaust volute of marine gas turbine Download PDFInfo
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- CN210234231U CN210234231U CN201921163209.4U CN201921163209U CN210234231U CN 210234231 U CN210234231 U CN 210234231U CN 201921163209 U CN201921163209 U CN 201921163209U CN 210234231 U CN210234231 U CN 210234231U
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- gas turbine
- insulated
- heat insulation
- protection plate
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Abstract
The utility model provides a thermal-insulated coating of marine gas turbine exhaust volute, it relates to a thermal-insulated coating, concretely relates to thermal-insulated coating of marine gas turbine exhaust volute. The utility model discloses a solve the thermal-insulated parcel of current marine gas turbine exhaust spiral case and apply thermal-insulated effect poor, the cladding steel sheet easily corrodes, thermal-insulated cotton easily adsorbs the residual oil and causes the hidden danger of starting a fire and the problem of the big cycle length of the maintenance change construction degree of difficulty. The utility model comprises a heat insulation layer and a detachable outer protection plate, wherein the detachable outer protection plate is arranged outside the heat insulation layer; the insulating layer includes a plurality of thermal-insulated units, a plurality of taut band and a plurality of overlap joint magic subsides, and a plurality of thermal-insulated units splice into gas turbine exhaust spiral case profile modeling structure, can dismantle the connection through taut band between two adjacent thermal-insulated units, and the juncture of two adjacent thermal-insulated units adopts overlap joint magic subsides to cover. The utility model belongs to boats and ships equipment field.
Description
Technical Field
The utility model relates to a thermal-insulated package applies, concretely relates to thermal-insulated package of marine gas turbine exhaust spiral case applies belongs to boats and ships equipment field.
Background
The existing gas turbine exhaust volute for the ship has the problems of poor heat insulation effect, easy corrosion of a coated steel plate, easy adsorption of residual oil by heat insulation cotton, fire hidden danger, large maintenance and replacement construction difficulty, long construction period and the like. For example, the problems of corrosion of a coated steel plate, loosening of a steel plate connecting rivet, ignition of residual oil adsorbed by heat insulation cotton in case of thermal combustion and the like occur in the short time of using and running of a real ship by thermally insulating coating of the exhaust volute of the gas turbine for the ship, so that obvious fire accidents or hidden dangers are caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the thermal-insulated parcel of current marine gas turbine exhaust spiral case and apply thermal-insulated effect poor, the cladding steel sheet easily corrodes, thermal-insulated cotton easily adsorbs the residual oil and causes the hidden danger of starting a fire and the problem of the big cycle length of the maintenance change construction degree of difficulty, and then propose the thermal-insulated parcel of marine gas turbine exhaust spiral case and apply.
The utility model discloses a solve the technical scheme that above-mentioned problem was taken and be: the utility model comprises a heat insulation layer and a detachable outer protection plate, wherein the detachable outer protection plate is arranged outside the heat insulation layer; the insulating layer includes a plurality of thermal-insulated units, a plurality of taut band and a plurality of overlap joint magic subsides, and a plurality of thermal-insulated units splice into gas turbine exhaust spiral case profile modeling structure, can dismantle the connection through taut band between two adjacent thermal-insulated units, and the juncture of two adjacent thermal-insulated units adopts overlap joint magic subsides to cover.
Furthermore, each heat insulation unit consists of an inner heat insulation layer and an outer heat insulation layer, and the inner heat insulation layer and the outer heat insulation layer are sequentially overlapped from inside to outside.
Furthermore, each heat insulation unit comprises a plurality of fixing nails and high-flame-retardant silica gel wrapping cloth, the fixing nails are inserted into the heat insulation units, and the high-flame-retardant silica gel wrapping cloth wraps the outer surfaces of the heat insulation units.
Furthermore, each heat insulation unit also comprises high-temperature-resistant steel wire reinforced wrapping cloth, and the high-temperature-resistant steel wire reinforced wrapping cloth is arranged on the inner side of the inner heat insulation layer.
Furthermore, the detachable outer protection plate is formed by splicing an upper outer protection plate and a lower outer protection plate.
Furthermore, the upper outer protection plate and the lower outer protection plate are fixedly connected through a plurality of quick hasps.
Furthermore, the upper outer protection plate is an upper outer protection plate made of a stainless steel sheet, and the lower outer protection plate is a lower outer protection plate made of a stainless steel sheet.
The utility model has the advantages that: the utility model belongs to a prefabricated forming, which can be detached, maintained and replaced for heat insulation protection in blocks, a plurality of profiling heat insulation units are prefabricated according to the surface shape structure of the gas turbine exhaust volute, and the high adhesion degree with the exhaust volute has good heat insulation effect; the heat insulation layer and the protection plate are of independent structures, so that the service life is longer; the utility model discloses can effectively solve former cladding and apply the immersion oil immersion water problem that the structure exists, can effectively improve the marine gas turbine originally long-term operation security under the high salt of ocean, high temperature, high humid ambient condition.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a detachable outer shield plate;
FIG. 3 is a schematic view of the structure of the insulation unit;
FIG. 4 is a cross-sectional view of an insulating unit.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 4, and the exhaust volute casing thermal insulation coating of the marine gas turbine according to the embodiment comprises a thermal insulation layer and a detachable outer protection plate 4, wherein the detachable outer protection plate 4 is installed on the outer side of the thermal insulation layer; the insulating layer includes a plurality of thermal-insulated units 1, a plurality of taut band 2 and a plurality of overlap joint magic subsides 7, and a plurality of thermal-insulated units 1 splice into gas turbine exhaust spiral case profile modeling structure, can dismantle the connection through taut band 2 between two adjacent thermal-insulated units 1, and two adjacent thermal-insulated unit 1's juncture adopts overlap joint magic subsides 7 to cover.
The order of detachable outer guard plate 4 from the bottom up installs in proper order during the installation, and concatenation seam crossing adopts the formula overlap joint limit form of pushing down, forms "umbrella" effect and can play the effect of waterproof, stifled seam.
The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 4, and each thermal insulation unit 1 of the thermal insulation coating of the exhaust volute of the marine gas turbine according to the embodiment is composed of an inner thermal insulation layer 8 and an outer thermal insulation layer 10, wherein the inner thermal insulation layer 8 and the outer thermal insulation layer 10 are sequentially stacked from inside to outside.
The fixing nail is used for fixing the heat insulation unit to prevent the heat insulation unit from deforming and loosening.
Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: the present embodiment is described with reference to fig. 1 to 4, and each of the thermal insulation units 1 of the thermal insulation coating of the exhaust volute of the marine gas turbine according to the present embodiment includes a plurality of fixing nails 5 and a high-flame-retardant silica gel wrapping cloth 6, the fixing nails 5 are inserted into the thermal insulation unit 1, and the high-flame-retardant silica gel wrapping cloth 6 is wrapped on the outer surface of the thermal insulation unit 1. Other components and connection relationships are the same as those in the second embodiment.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1 to 4, each of the heat insulation units 1 of the exhaust volute casing of the gas turbine for a ship according to the present embodiment further includes a high temperature resistant steel wire reinforced wrapping cloth 9, and the high temperature resistant steel wire reinforced wrapping cloth 9 is installed inside the inner heat insulation layer 8.
The inner heat insulation layer 8 is an aluminum silicate needled felt heat insulation material, and the inner coating layer adopts high-temperature-resistant steel wire reinforcing cloth, so that the heat insulation layer can be used at high temperature for a long time and cannot be embrittled and differentiated due to long-term high-temperature baking; the outer coating layer adopts high flame-retardant silica gel cloth, has the effects of water resistance, oil resistance and protection, and cannot influence the service life due to steam, water and oil immersion; the heat insulation filling material is made of high-performance aerogel materials, and the thickness of the heat insulation layer can be greatly reduced on the premise of meeting the heat insulation requirement.
Other components and connection relationships are the same as those in the second embodiment.
The fifth concrete implementation mode: the detachable outer protection plate 4 for thermal insulation coating of the exhaust volute of the marine gas turbine according to the embodiment is formed by splicing an upper outer protection plate 11 and a lower outer protection plate 12. Other components and connection relationships are the same as those in the second embodiment.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 1 to 4, and the upper outer shroud 11 and the lower outer shroud 12 of the exhaust volute of the gas turbine for a ship according to the present embodiment are fixedly connected by a plurality of quick snaps 3.
The joint of the upper outer protection plate 11 and the lower outer protection plate 12 adopts a lower edge pressing structure to form an umbrella effect, and is tightened and fixed by the quick buckle 3.
The other components and the connection relationship are the same as those in the fifth embodiment.
The seventh embodiment: referring to fig. 1 to 4, the present embodiment will be described, in which an upper outer shroud 11 for thermally insulating a gas turbine exhaust volute for a ship according to the present embodiment is an upper outer shroud 11 made of a stainless steel thin plate, and a lower outer shroud 12 is a lower outer shroud 12 made of a stainless steel thin plate. The other components and the connection relationship are the same as those in the fifth embodiment.
Principle of operation
Individual heat insulation units or outer protection plates can be partially replaced according to the using state, so that the whole set of heat insulation units or outer protection plates cannot be replaced; meanwhile, the outer protection plate has the function that the exhaust volute of the marine gas turbine is not covered directly above, and falling rainwater can fall on the heat insulation coating of the exhaust volute to influence the heat insulation effect, so that the umbrella-shaped exhaust volute is designed to have the umbrella-shaped effect; furthermore, the wrapping cloth material adopted by the heat insulation unit also has a certain waterproof effect.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment without departing from the technical scope of the present invention, but all the modifications, equivalent substitutions, and improvements made to the above embodiments within the spirit and principle of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a marine gas turbine exhaust spiral case thermal-insulated cladding which characterized in that: the thermal insulation coating of the exhaust volute of the marine gas turbine comprises a thermal insulation layer and a detachable outer protection plate (4), wherein the detachable outer protection plate (4) is arranged on the outer side of the thermal insulation layer; the thermal-insulated layer includes a plurality of thermal-insulated units (1), a plurality of taut band (2) and a plurality of overlap joint magic subsides (7), and a plurality of thermal-insulated units (1) splice into gas turbine exhaust spiral case profile modeling structure, can dismantle the connection through taut band (2) between two adjacent thermal-insulated units (1), and the juncture of two adjacent thermal-insulated units (1) adopts overlap joint magic subsides (7) to cover.
2. The gas turbine exhaust volute insulation coating according to claim 1, wherein: each heat insulation unit (1) is composed of an inner heat insulation layer (8) and an outer heat insulation layer (10), and the inner heat insulation layer (8) and the outer heat insulation layer (10) are sequentially overlapped from inside to outside.
3. The gas turbine exhaust volute insulation coating according to claim 2, wherein: each heat insulation unit (1) comprises a plurality of fixing nails (5) and high-flame-retardant silica gel wrapping cloth (6), the fixing nails (5) are inserted into the heat insulation units (1), and the high-flame-retardant silica gel wrapping cloth (6) is wrapped on the outer surface of the heat insulation units (1).
4. The gas turbine exhaust volute insulation coating according to claim 2, wherein: each heat insulation unit (1) also comprises high-temperature-resistant steel wire reinforced wrapping cloth (9), and the high-temperature-resistant steel wire reinforced wrapping cloth (9) is installed on the inner side of the inner heat insulation layer (8).
5. The gas turbine exhaust volute insulation coating according to claim 2, wherein: the detachable outer protection plate (4) is formed by splicing an upper outer protection plate (11) and a lower outer protection plate (12).
6. The gas turbine exhaust volute insulation coating according to claim 5, wherein: the upper outer protection plate (11) and the lower outer protection plate (12) are fixedly connected through a plurality of quick hasps (3).
7. The gas turbine exhaust volute insulation coating according to claim 5, wherein: the upper outer protection plate (11) is an upper outer protection plate (11) made of a stainless steel sheet, and the lower outer protection plate (12) is a lower outer protection plate (12) made of a stainless steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921163209.4U CN210234231U (en) | 2019-07-23 | 2019-07-23 | Heat-insulating coating for exhaust volute of marine gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921163209.4U CN210234231U (en) | 2019-07-23 | 2019-07-23 | Heat-insulating coating for exhaust volute of marine gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210234231U true CN210234231U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921163209.4U Withdrawn - After Issue CN210234231U (en) | 2019-07-23 | 2019-07-23 | Heat-insulating coating for exhaust volute of marine gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210234231U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216942A (en) * | 2019-07-23 | 2019-09-10 | 中国船舶重工集团公司第七0三研究所 | A kind of Marine Gas Turbine Exhaust spiral case is heat-insulated coated |
-
2019
- 2019-07-23 CN CN201921163209.4U patent/CN210234231U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216942A (en) * | 2019-07-23 | 2019-09-10 | 中国船舶重工集团公司第七0三研究所 | A kind of Marine Gas Turbine Exhaust spiral case is heat-insulated coated |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200403 Effective date of abandoning: 20201027 |