CN109162774A - A kind of inside holding plate for combustion turbine exhaustion diffuser - Google Patents

A kind of inside holding plate for combustion turbine exhaustion diffuser Download PDF

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Publication number
CN109162774A
CN109162774A CN201811006520.8A CN201811006520A CN109162774A CN 109162774 A CN109162774 A CN 109162774A CN 201811006520 A CN201811006520 A CN 201811006520A CN 109162774 A CN109162774 A CN 109162774A
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diffuser
mass percent
surplus
chemical analysis
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CN109162774B (en
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冷盼
丁
丁一
赵俊杰
韩欣
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JIANGSU HUAQIANG NEW ENERGY TECHNOLOGY Co Ltd
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JIANGSU HUAQIANG NEW ENERGY TECHNOLOGY Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/30—Exhaust heads, chambers, or the like
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/62227—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres
    • C04B35/62231—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres based on oxide ceramics
    • C04B35/62236—Fibres based on aluminium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/62227—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres
    • C04B35/62272—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres based on non-oxide ceramics
    • C04B35/62277—Fibres based on carbides
    • C04B35/62281—Fibres based on carbides based on silicon carbide
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
    • C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/005—Selecting particular materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation

Abstract

The present invention relates to a kind of inside holding plates for combustion turbine exhaustion diffuser, belong to technical field of gas turbine.This is used for the inside holding plate of combustion turbine exhaustion diffuser, inner casing, ceramic fiber cloth, at least two-layer ceramic cellucotton and outer casing including passing sequentially through binder bonding；Ceramic fiber cloth is interwoven by ceramic fibre organizine and sizing tram；Inside holding plate for combustion turbine exhaustion diffuser of the invention passes through the cooperation of two pieces of metal casings, ceramic fiber cloth and multi-layer ceramics cellucotton, while greatly improving corrosion resistance, improve thermal insulation property, extend the service life of inside holding plate, reduce operating cost, thermal insulation property promotes 100-120% relative to conventional vacuum plate.

Description

A kind of inside holding plate for combustion turbine exhaustion diffuser
Technical field
The present invention relates to a kind of inside holding plates for combustion turbine exhaustion diffuser, belong to technical field of gas turbine.
Background technique
Gas turbine is gas continuously to flow as working medium impeller high speed rotation, is to have by the energy conversion of fuel Diligent internal combustion type dynamic power machine, gas turbine structure is most simple, and best embody out specific to gas turbine it is small in size, It is light-weight, starting is fast, few with or without series of advantages such as cooling waters.
Gas turbine in the main flow of air and gas, only this three big portion of compressor, combustion chamber and combustion gas turbine The gas turbine cycle of part composition, is commonly referred to as simple cycle.Most of gas turbines are all made of simple cycle scheme.Compressor from Atmospheric environment sucks air, and is allowed to be pressurized by axial-flow compressor step by step compression, while air themperature also accordingly mentions It is high；Compressed air is pressed to combustion chamber and the fuel of penetrating is mixed and burned the gas for generating high temperature and pressure；Then it enters back into Expansion work in turbine pushes turbine that compressor and external load rotor is driven to rotate together at high speed, and realizes gas or liquid combustion The chemical energy of material is partially converted into mechanical work, and exports electric work.The exhaust gas being discharged from turbine drains into atmosphere nature heat release.This Sample, the chemical energy of fuel is just converted into thermal energy by gas turbine, and partial heat energy is transformed into mechanical energy.Usually in gas turbine In, compressor is driven by combustion gas turbine expansion work, it is the load of turbine.In simple cycle, what turbine issued Mechanical work has 1/2 to 2/3 or so to be used to drive compressor, remaining 1/3 or so mechanical work is used to driven generator.In combustion gas When turbine starts, it is necessary first to which exterior power, usually starter drive compressor, until the machinery that combustion gas turbine issues When function is greater than the mechanical work of compressor consumption, extraneous starter tripping, gas turbine itself could work independently.
The insulation board poor thermal insulation property and poor corrosion resistance of combustion turbine exhaustion diffuser at present, in loss heat Simultaneously, it is often necessary to which replacement and maintenance increase the operating cost of gas turbine.
Summary of the invention
The technical problem to be solved by the present invention is in view of the shortcomings of the prior art, propose a kind of good heat insulating, service life The long inside holding plate for combustion turbine exhaustion diffuser.
The technical solution that the present invention proposes to solve above-mentioned technical problem is: a kind of for combustion turbine exhaustion diffuser Inside holding plate, inner casing, ceramic fiber cloth, at least two-layer ceramic cellucotton and outer shield including passing sequentially through binder bonding Plate；The mass percent ingredient of chemical analysis in inner casing and outer casing are as follows: C:0.06-0.09%, Mn:0.88-1.14%, Al: 2.17-2.56%, Ni:1.15-1.48%, Mo:0.15-0.22%, Cr:0.17-0.23%, Ce:0.05-0.08%, Eu:0.26- 0.31%, Lu:0.08-0.15%, surplus Fe；
Ceramic fiber cloth is interwoven by ceramic fibre organizine and sizing tram；The quality hundred of chemical analysis in ceramic fibre organizine Divide and compare ingredient are as follows: BN:6.17-8.56%, SiBN:6.55-9.87%, C:2.23-3.47%, Al3N4: 6.88-8.79%, AlN: 5.35-7.12%, surplus SiC；The mass percent ingredient of chemical analysis in sizing tram are as follows: polyester fiber: 12.24- 15.56%, polyurethane fiber: 6.11-7.22%, polyacrylonitrile fibre: 3.55-4.26%, surplus are polyvinyl chloride fibre；
The mass percent ingredient of chemical analysis in multi-layer ceramics cellucotton are as follows: aluminium chloride: 4.24-5.15%, silica: 2.17-3.56%, iron oxide: 2.12-2.77%, titanium dioxide: 1.34-5.78%, zirconium oxide: 10.55-13.21%, magnesium chloride: 2.56-2.78%, magnesia: 3.69-4.86%, surplus are aluminium oxide.
The improvement of above-mentioned technical proposal is: ceramic fiber cotton is six layers.
The improvement of above-mentioned technical proposal is: the thickness close to three layers of ceramic fiber cotton of ceramic fiber cloth is 40mm.
The improvement of above-mentioned technical proposal is: the thickness close to three layers of ceramic fiber cotton of outer casing is 50mm.
The improvement of above-mentioned technical proposal is: ceramic fiber cloth with a thickness of 2mm.
The improvement of above-mentioned technical proposal is: inner casing with a thickness of 3mm, outer casing with a thickness of 10mm.
The improvement of above-mentioned technical proposal is: the mass percent component of binder are as follows: aluminium polychloride: 4.6~6.9%, gather Propylene phthalein amine: 6.6~7.9%, urethanes: 5.5~6.6%, trimethylol-propane trimethacrylate: 3.1~ 4.4%, butyl acrylate: 3.2~4.1%, 2- hydroxyl -1,2- diphenylethan: 2.1~3.4%, dimethylformamide: 1.6~ 1.9%, surplus is vinylacetate.
The improvement of above-mentioned technical proposal is: the mass percent ingredient of chemical analysis in inner casing and outer casing are as follows: C: 0.06%, Mn:0.88%, Al:2.17%, Ni:1.15%, Mo:0.15%, Cr:0.17%, Ce:0.05%, Eu:0.26%, Lu: 0.08%, surplus Fe；
The mass percent ingredient of chemical analysis in ceramic fibre organizine are as follows: BN:6.17-8.56%, SiBN:6.55%, C: 2.23%, Al3N4: 6.88%, AlN:5.35%, surplus SiC；
The mass percent ingredient of chemical analysis in sizing tram are as follows: polyester fiber: 12.24%, polyurethane fiber: 6.11%, gather Dralon: 3.55%, surplus is polyvinyl chloride fibre；
The mass percent ingredient of chemical analysis in multi-layer ceramics cellucotton are as follows: aluminium chloride: 4.24%, silica: 2.17%, oxygen Change iron: 2.12%, titanium dioxide: 1.34%, zirconium oxide: 10.55%, magnesium chloride: 2.56%, magnesia: 3.69%, surplus is oxidation Aluminium.
The improvement of above-mentioned technical proposal is: the mass percent ingredient of chemical analysis in inner casing and outer casing are as follows: C: 0.09%, Mn:1.14%, Al:2.56%, Ni:1.48%, Mo:0.22%, Cr:0.23%, Ce:0.08%, Eu:0.31%, Lu: 0.15%, surplus Fe；
The mass percent ingredient of chemical analysis in ceramic fibre organizine are as follows: BN:8.56%, SiBN:9.87%, C:3.47%, Al3N4: 8.79%, AlN:7.12%, surplus SiC；
The mass percent ingredient of chemical analysis in sizing tram are as follows: polyester fiber: 15.56%, polyurethane fiber: 7.22%, gather Dralon: 4.26%, surplus is polyvinyl chloride fibre；
The mass percent ingredient of chemical analysis in multi-layer ceramics cellucotton are as follows: aluminium chloride: 5.15%, silica: 3.56%, oxygen Change iron: 2.77%, titanium dioxide: 5.78%, zirconium oxide: 13.21%, magnesium chloride: 2.78%, magnesia: 4.86%, surplus is oxidation Aluminium.
The beneficial effect of the present invention by adopting the above technical scheme is:
(1) the inside holding plate for combustion turbine exhaustion diffuser of the invention by two pieces of metal casings, ceramic fiber cloth and The cooperation of multi-layer ceramics cellucotton improves thermal insulation property while greatly improving corrosion resistance, extends inside holding The service life of plate, reduces operating cost, and thermal insulation property promotes 100-120% relative to conventional vacuum plate；
(2) rare earth is added in the inner casing and outer casing of the inside holding plate for combustion turbine exhaustion diffuser of the invention Element improves corrosion resistance and mechanical property, can ceramic fiber cloth and multi-layer ceramics cellucotton among effective protection, Prolong the service life；
(3) magnesium chloride and oxygen are added in the ceramic fiber cotton of the inside holding plate for combustion turbine exhaustion diffuser of the invention Change magnesium, so that ceramic fiber cotton has the characteristics that strong fire resistance, good heat insulating, sound absorption, sound insulation property are good；
(4) the adhesive bond performance that the inside holding plate for combustion turbine exhaustion diffuser of the invention uses is strong, is not easy old Change, further extends the service life of inside holding plate.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is structural schematic diagram of the embodiment of the present invention for the inside holding plate of combustion turbine exhaustion diffuser；
1- inner casing, 2- ceramic fiber cloth, 3- ceramic fiber cotton, 4- outer casing.
Specific embodiment
Embodiment one
The inside holding plate for combustion turbine exhaustion diffuser of the present embodiment, the inner casing including passing sequentially through binder bonding 1,2, six layers of ceramic fiber cotton 3 of ceramic fiber cloth and outer casing 4；The mass percent of chemical analysis in inner casing 1 and outer casing 4 Ingredient are as follows: C:0.06%, Mn:0.88%, Al:2.17%, Ni:1.15%, Mo:0.15%, Cr:0.17%, Ce:0.05%, Eu: 0.26%, Lu:0.08%, surplus Fe；
Ceramic fiber cloth 2 is interwoven by ceramic fibre organizine and sizing tram；The quality of chemical analysis in ceramic fibre organizine Percent composition are as follows: BN:6.17-8.56%, SiBN:6.55%, C:2.23%, Al3N4: 6.88%, AlN:5.35%, surplus SiC；
The mass percent ingredient of chemical analysis in sizing tram are as follows: polyester fiber: 12.24%, polyurethane fiber: 6.11%, gather Dralon: 3.55%, surplus is polyvinyl chloride fibre；
The mass percent ingredient of chemical analysis in multi-layer ceramics cellucotton 3 are as follows: aluminium chloride: 4.24%, silica: 2.17%, Iron oxide: 2.12%, titanium dioxide: 1.34%, zirconium oxide: 10.55%, magnesium chloride: 2.56%, magnesia: 3.69%, surplus is oxygen Change aluminium.
Wherein the thickness close to three layers of ceramic fiber cotton 3 of ceramic fiber cloth is 40mm.Close to three layers of pottery of outer casing The thickness of porcelain cellucotton 3 is 50mm.Ceramic fiber cloth with a thickness of 2mm.Inner casing with a thickness of 3mm, the thickness of outer casing For 10mm.
The mass percent component of binder are as follows: aluminium polychloride: 4.6%, polypropylene phthalein amine: 6.6%, urethane Ester: 5.5%, trimethylol-propane trimethacrylate: 3.1%, butyl acrylate: 3.2%, 2- hydroxyl -1,2- diphenyl second Ketone: 2.1%, dimethylformamide: 1.6%, surplus is vinylacetate.
Embodiment two
The inside holding plate for combustion turbine exhaustion diffuser of the present embodiment, the inner casing including passing sequentially through binder bonding 1,2, six layers of ceramic fiber cotton 3 of ceramic fiber cloth and outer casing 4；The mass percent of chemical analysis in inner casing 1 and outer casing 4 Ingredient are as follows: C:0.09%, Mn:1.14%, Al:2.56%, Ni:1.48%, Mo:0.22%, Cr:0.23%, Ce:0.08%, Eu: 0.31%, Lu:0.15%, surplus Fe；
Ceramic fiber cloth 2 is interwoven by ceramic fibre organizine and sizing tram；The quality of chemical analysis in ceramic fibre organizine Percent composition are as follows: BN:8.56%, SiBN:9.87%, C:3.47%, Al3N4: 8.79%, AlN:7.12%, surplus SiC；
The mass percent ingredient of chemical analysis in sizing tram are as follows: polyester fiber: 15.56%, polyurethane fiber: 7.22%, gather Dralon: 4.26%, surplus is polyvinyl chloride fibre；
The mass percent ingredient of chemical analysis in multi-layer ceramics cellucotton 3 are as follows: aluminium chloride: 5.15%, silica: 3.56%, Iron oxide: 2.77%, titanium dioxide: 5.78%, zirconium oxide: 13.21%, magnesium chloride: 2.78%, magnesia: 4.86%, surplus is oxygen Change aluminium.
Wherein the thickness close to three layers of ceramic fiber cotton 3 of ceramic fiber cloth is 40mm.Close to three layers of pottery of outer casing The thickness of porcelain cellucotton 3 is 50mm.Ceramic fiber cloth with a thickness of 2mm.Inner casing with a thickness of 3mm, the thickness of outer casing For 10mm.
The mass percent component of binder are as follows: aluminium polychloride: 6.9%, polypropylene phthalein amine: 7.9%, urethane Ester: 6.6%, trimethylol-propane trimethacrylate: 4.4%, butyl acrylate: 4.1%, 2- hydroxyl -1,2- diphenyl second Ketone: 3.4%, dimethylformamide: 1.9%, surplus is vinylacetate.
The present invention is not limited to the above embodiment.All technical solutions formed using equivalent replacement, are all fallen within the present invention and wanted The protection scope asked.

Claims (9)

1. a kind of inside holding plate for combustion turbine exhaustion diffuser, it is characterised in that: including passing sequentially through binder bonding Inner casing, ceramic fiber cloth, at least two-layer ceramic cellucotton and outer casing；Chemical analysis in the inner casing and outer casing Mass percent ingredient are as follows: C:0.06-0.09%, Mn:0.88-1.14%, Al:2.17-2.56%, Ni:1.15-1.48%, Mo: 0.15-0.22%, Cr:0.17-0.23%, Ce:0.05-0.08%, Eu:0.26-0.31%, Lu:0.08-0.15%, surplus Fe；
The ceramic fiber cloth is interwoven by ceramic fibre organizine and sizing tram；Chemical analysis in the ceramic fibre organizine Mass percent ingredient are as follows: BN:6.17-8.56%, SiBN:6.55-9.87%, C:2.23-3.47%, Al3N4: 6.88- 8.79%, AlN:5.35-7.12%, surplus SiC；The mass percent ingredient of chemical analysis in the sizing tram are as follows: polyester Fiber: 12.24-15.56%, polyurethane fiber: 6.11-7.22%, polyacrylonitrile fibre: 3.55-4.26%, surplus are polychlorostyrene second Alkene fiber；
The mass percent ingredient of chemical analysis in the multi-layer ceramics cellucotton are as follows: aluminium chloride: 4.24-5.15%, titanium dioxide Silicon: 2.17-3.56%, iron oxide: 2.12-2.77%, titanium dioxide: 1.34-5.78%, zirconium oxide: 10.55-13.21%, chlorination Magnesium: 2.56-2.78%, magnesia: 3.69-4.86%, surplus are aluminium oxide.
2. the inside holding plate according to claim 1 for combustion turbine exhaustion diffuser, it is characterised in that: the ceramics Cellucotton is six layers.
3. the inside holding plate according to claim 2 for combustion turbine exhaustion diffuser, it is characterised in that: close to described The thickness of three layers of ceramic fiber cotton of ceramic fiber cloth is 40mm.
4. the inside holding plate according to claim 3 for combustion turbine exhaustion diffuser, it is characterised in that: close to described The thickness of three layers of ceramic fiber cotton of outer casing is 50mm.
5. the inside holding plate according to claim 4 for combustion turbine exhaustion diffuser, it is characterised in that: the ceramics Fiber cloth with a thickness of 2mm.
6. the inside holding plate according to claim 5 for combustion turbine exhaustion diffuser, it is characterised in that: the interior shield Plate with a thickness of 3mm, the outer casing with a thickness of 10mm.
7. the inside holding plate according to claim 6 for combustion turbine exhaustion diffuser, it is characterised in that: the bonding The mass percent component of agent are as follows: aluminium polychloride: 4.6~6.9%, polypropylene phthalein amine: 6.6~7.9%, urethanes: 5.5~6.6%, trimethylol-propane trimethacrylate: 3.1~4.4%, butyl acrylate: hydroxyl -1 3.2~4.1%, 2-, 2- diphenylethan: 2.1~3.4%, dimethylformamide: 1.6~1.9%, surplus is vinylacetate.
8. the inside holding plate according to claim 7 for combustion turbine exhaustion diffuser, it is characterised in that: the interior shield The mass percent ingredient of chemical analysis in plate and outer casing are as follows: C:0.06%, Mn:0.88%, Al:2.17%, Ni:1.15%, Mo: 0.15%, Cr:0.17%, Ce:0.05%, Eu:0.26%, Lu:0.08%, surplus Fe；
The mass percent ingredient of chemical analysis in the ceramic fibre organizine are as follows: BN:6.17-8.56%, SiBN:6.55%, C: 2.23%, Al3N4: 6.88%, AlN:5.35%, surplus SiC；
The mass percent ingredient of chemical analysis in the sizing tram are as follows: polyester fiber: 12.24%, polyurethane fiber: 6.11%, polyacrylonitrile fibre: 3.55%, surplus is polyvinyl chloride fibre；
The mass percent ingredient of chemical analysis in the multi-layer ceramics cellucotton are as follows: aluminium chloride: 4.24%, silica: 2.17%, iron oxide: 2.12%, titanium dioxide: 1.34%, zirconium oxide: 10.55%, magnesium chloride: 2.56%, magnesia: 3.69%, it is remaining Amount is aluminium oxide.
9. the inside holding plate according to claim 7 for combustion turbine exhaustion diffuser, it is characterised in that: the interior shield The mass percent ingredient of chemical analysis in plate and outer casing are as follows: C:0.09%, Mn:1.14%, Al:2.56%, Ni:1.48%, Mo: 0.22%, Cr:0.23%, Ce:0.08%, Eu:0.31%, Lu:0.15%, surplus Fe；
The mass percent ingredient of chemical analysis in the ceramic fibre organizine are as follows: BN:8.56%, SiBN:9.87%, C:3.47%, Al3N4: 8.79%, AlN:7.12%, surplus SiC；
The mass percent ingredient of chemical analysis in the sizing tram are as follows: polyester fiber: 15.56%, polyurethane fiber: 7.22%, polyacrylonitrile fibre: 4.26%, surplus is polyvinyl chloride fibre；
The mass percent ingredient of chemical analysis in the multi-layer ceramics cellucotton are as follows: aluminium chloride: 5.15%, silica: 3.56%, iron oxide: 2.77%, titanium dioxide: 5.78%, zirconium oxide: 13.21%, magnesium chloride: 2.78%, magnesia: 4.86%, it is remaining Amount is aluminium oxide.
CN201811006520.8A 2018-08-30 2018-08-30 Internal insulation board for exhaust diffusion section of gas turbine Active CN109162774B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1541808A1 (en) * 2003-12-11 2005-06-15 Siemens Aktiengesellschaft Turbine component with a heat- and erosion resistant coating
EP1970461A1 (en) * 2007-03-14 2008-09-17 Siemens Aktiengesellschaft Turbine part with heat insulation layer
EP2679780A1 (en) * 2012-06-28 2014-01-01 Alstom Technology Ltd Diffuser for the exhaust section of a gas turbine and gas turbine with such a diffuser
CN106762071A (en) * 2016-12-09 2017-05-31 江苏多为机械工业有限公司 A kind of automobile engine to exhaust joint and its production technology
CN107379672A (en) * 2017-07-24 2017-11-24 苏州宏久航空防热材料科技有限公司 A kind of resistant to elevated temperatures multi-layer ceramics cotton plate

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1541808A1 (en) * 2003-12-11 2005-06-15 Siemens Aktiengesellschaft Turbine component with a heat- and erosion resistant coating
EP1970461A1 (en) * 2007-03-14 2008-09-17 Siemens Aktiengesellschaft Turbine part with heat insulation layer
EP2679780A1 (en) * 2012-06-28 2014-01-01 Alstom Technology Ltd Diffuser for the exhaust section of a gas turbine and gas turbine with such a diffuser
CN106762071A (en) * 2016-12-09 2017-05-31 江苏多为机械工业有限公司 A kind of automobile engine to exhaust joint and its production technology
CN107379672A (en) * 2017-07-24 2017-11-24 苏州宏久航空防热材料科技有限公司 A kind of resistant to elevated temperatures multi-layer ceramics cotton plate

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