CN105463323A - Low-pressure internal air cylinder of gas turbine - Google Patents

Low-pressure internal air cylinder of gas turbine Download PDF

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Publication number
CN105463323A
CN105463323A CN201510944936.4A CN201510944936A CN105463323A CN 105463323 A CN105463323 A CN 105463323A CN 201510944936 A CN201510944936 A CN 201510944936A CN 105463323 A CN105463323 A CN 105463323A
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CN
China
Prior art keywords
alloy
alloy material
melt
gas turbine
metal master
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510944936.4A
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Chinese (zh)
Inventor
邓雪明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGSHU KAIBO METALLURGY BUILDING MATERIALS MACHINERY EQUIPMENT FACTORY
Original Assignee
CHANGSHU KAIBO METALLURGY BUILDING MATERIALS MACHINERY EQUIPMENT FACTORY
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHANGSHU KAIBO METALLURGY BUILDING MATERIALS MACHINERY EQUIPMENT FACTORY filed Critical CHANGSHU KAIBO METALLURGY BUILDING MATERIALS MACHINERY EQUIPMENT FACTORY
Priority to CN201510944936.4A priority Critical patent/CN105463323A/en
Publication of CN105463323A publication Critical patent/CN105463323A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • C22C33/06—Making ferrous alloys by melting using master alloys
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • 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

Abstract

The invention discloses a low-pressure internal air cylinder of a gas turbine. The low-pressure internal air cylinder comprises a metal main body made of an alloy material, wherein the alloy material comprises the following components in percentage by weight: 1-2% of B, 1.2% of Ti, 0.7% of Ir, 1.3% of Pt, 2.2% of Cr, 3.6% of Mn, and the balance of Fe and inevitable impurities; the alloy material is prepared by the following steps: 1) melting Fe, a B and Fe-Ti alloy and a Fe-Ir alloy under protective atmosphere; 2) regulating the temperature to a temperature of 990 DEG C, adding a Fe-Pt alloy, a Fe-Cr alloy and a Fe-Mn alloy into melt, uniformly stirring, preserving heat and standing for 29 minutes; 3) introducing argon gas, standing and cooling the melt to a temperature of 690 DEG C, and carrying out pressure casting to obtain the alloy material. The low-pressure internal air cylinder of the gas turbine has excellent performances such as high strength, corrosion resistance, heat resistance and the like, and can be used for a long time.

Description

Gas turbine low pressure inner casing
Technical field
The present invention relates to gas turbine low pressure inner casing.
Background technology
Internal combustion turbine is the generating set of widespread use, the environment for use more complicated of internal combustion turbine, all higher to the weight of all parts of internal combustion turbine, intensity, abrasion-resistant, requirement that is corrosion-resistant, resistance toheat.
Summary of the invention
The object of the present invention is to provide a kind of gas turbine low pressure inner casing, it be lightweight, intensity is high, abrasion-resistant, corrosion-resistant, Good Heat-resistance, can life-time service.
For achieving the above object, technical scheme of the present invention is a kind of gas turbine low pressure inner casing of design, and comprise metal master, described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:
B：1～2％，
Ti：1.2％，
Ir：0.7％，
Pt：1.3％，
Cr：2.2％，
Mn：3.6％，
Surplus is Fe and inevitable impurity;
Described alloy material is prepared as follows:
1) by Fe, B and Fe-Ti alloy, the melting under protective atmosphere of Fe-Ir alloy;
2) temperature is adjusted to 990 DEG C, adds Fe-Pt alloy, Fe-Cr alloy and Fe-Mn alloy, stir in melt, and insulation leaves standstill 29 minutes;
3) pass into argon gas, left standstill by melt and be cooled to 690 DEG C, die casting obtains alloy material.
Preferably, gas turbine low pressure inner casing, comprises metal master, and described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:
B：1％，
Ti：1.2％，
Ir：0.7％，
Pt：1.3％，
Cr：2.2％，
Mn：3.6％，
Surplus is Fe and inevitable impurity;
Described alloy material is prepared as follows:
1) by Fe, B and Fe-Ti alloy, the melting under protective atmosphere of Fe-Ir alloy;
2) temperature is adjusted to 990 DEG C, adds Fe-Pt alloy, Fe-Cr alloy and Fe-Mn alloy, stir in melt, and insulation leaves standstill 29 minutes;
3) pass into argon gas, left standstill by melt and be cooled to 690 DEG C, die casting obtains alloy material.
Preferably, gas turbine low pressure inner casing, comprises metal master, and described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:
B：2％，
Ti：1.2％，
Ir：0.7％，
Pt：1.3％，
Cr：2.2％，
Mn：3.6％，
Surplus is Fe and inevitable impurity;
Described alloy material is prepared as follows:
1) by Fe, B and Fe-Ti alloy, the melting under protective atmosphere of Fe-Ir alloy;
2) temperature is adjusted to 990 DEG C, adds Fe-Pt alloy, Fe-Cr alloy and Fe-Mn alloy, stir in melt, and insulation leaves standstill 29 minutes;
3) pass into argon gas, left standstill by melt and be cooled to 690 DEG C, die casting obtains alloy material.
Advantage of the present invention and beneficial effect are: provide a kind of gas turbine low pressure inner casing, it is lightweight, intensity is high, abrasion-resistant, corrosion-resistant, Good Heat-resistance, can life-time service.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
The technical scheme that the present invention specifically implements is:
Embodiment 1
A kind of gas turbine low pressure inner casing, comprise metal master, described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:
B：1～2％，
Ti：1.2％，
Ir：0.7％，
Pt：1.3％，
Cr：2.2％，
Mn：3.6％，
Surplus is Fe and inevitable impurity;
Described alloy material is prepared as follows:
1) by Fe, B and Fe-Ti alloy, the melting under protective atmosphere of Fe-Ir alloy;
2) temperature is adjusted to 990 DEG C, adds Fe-Pt alloy, Fe-Cr alloy and Fe-Mn alloy, stir in melt, and insulation leaves standstill 29 minutes;
3) pass into argon gas, left standstill by melt and be cooled to 690 DEG C, die casting obtains alloy material.
Embodiment 2
Gas turbine low pressure inner casing, comprises metal master, and described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:
B：2％，
Ti：1.2％，
Ir：0.7％，
Pt：1.3％，
Cr：2.2％，
Mn：3.6％，
Surplus is Fe and inevitable impurity;
Described alloy material is prepared as follows:
1) by Fe, B and Fe-Ti alloy, the melting under protective atmosphere of Fe-Ir alloy;
2) temperature is adjusted to 990 DEG C, adds Fe-Pt alloy, Fe-Cr alloy and Fe-Mn alloy, stir in melt, and insulation leaves standstill 29 minutes;
3) pass into argon gas, left standstill by melt and be cooled to 690 DEG C, die casting obtains alloy material.
Embodiment 3
Gas turbine low pressure inner casing, comprises metal master, and described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:
B：2％，
Ti：1.2％，
Ir：0.7％，
Pt：1.3％，
Cr：2.2％，
Mn：3.6％，
Surplus is Fe and inevitable impurity;
Described alloy material is prepared as follows:
1) by Fe, B and Fe-Ti alloy, the melting under protective atmosphere of Fe-Ir alloy;
2) temperature is adjusted to 990 DEG C, adds Fe-Pt alloy, Fe-Cr alloy and Fe-Mn alloy, stir in melt, and insulation leaves standstill 29 minutes;
3) pass into argon gas, left standstill by melt and be cooled to 690 DEG C, die casting obtains alloy material.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (3)

1. gas turbine low pressure inner casing, is characterized in that, comprises metal master, and described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:
B：1～2％，
Ti：1.2％，
Ir：0.7％，
Pt：1.3％，
Cr：2.2％，
Mn：3.6％，
Surplus is Fe and inevitable impurity;
Described alloy material is prepared as follows:
1) by Fe, B and Fe-Ti alloy, the melting under protective atmosphere of Fe-Ir alloy;
2) temperature is adjusted to 990 DEG C, adds Fe-Pt alloy, Fe-Cr alloy and Fe-Mn alloy, stir in melt, and insulation leaves standstill 29 minutes;
3) pass into argon gas, left standstill by melt and be cooled to 690 DEG C, die casting obtains alloy material.
2. gas turbine low pressure inner casing according to claim 1, it is characterized in that, comprise metal master, described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:
B：1％，
Ti：1.2％，
Ir：0.7％，
Pt：1.3％，
Cr：2.2％，
Mn：3.6％，
Surplus is Fe and inevitable impurity;
Described alloy material is prepared as follows:
1) by Fe, B and Fe-Ti alloy, the melting under protective atmosphere of Fe-Ir alloy;
2) temperature is adjusted to 990 DEG C, adds Fe-Pt alloy, Fe-Cr alloy and Fe-Mn alloy, stir in melt, and insulation leaves standstill 29 minutes;
3) pass into argon gas, left standstill by melt and be cooled to 690 DEG C, die casting obtains alloy material.
3. gas turbine low pressure inner casing according to claim 1, it is characterized in that, comprise metal master, described metal master is made up of alloy material, and by weight percentage, the composition of this alloy material is:
B：2％，
Ti：1.2％，
Ir：0.7％，
Pt：1.3％，
Cr：2.2％，
Mn：3.6％，
Surplus is Fe and inevitable impurity;
Described alloy material is prepared as follows:
1) by Fe, B and Fe-Ti alloy, the melting under protective atmosphere of Fe-Ir alloy;
2) temperature is adjusted to 990 DEG C, adds Fe-Pt alloy, Fe-Cr alloy and Fe-Mn alloy, stir in melt, and insulation leaves standstill 29 minutes;
3) pass into argon gas, left standstill by melt and be cooled to 690 DEG C, die casting obtains alloy material.
CN201510944936.4A 2015-12-16 2015-12-16 Low-pressure internal air cylinder of gas turbine Pending CN105463323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510944936.4A CN105463323A (en) 2015-12-16 2015-12-16 Low-pressure internal air cylinder of gas turbine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510944936.4A CN105463323A (en) 2015-12-16 2015-12-16 Low-pressure internal air cylinder of gas turbine

Publications (1)

Publication Number Publication Date
CN105463323A true CN105463323A (en) 2016-04-06

Family

ID=55601475

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510944936.4A Pending CN105463323A (en) 2015-12-16 2015-12-16 Low-pressure internal air cylinder of gas turbine

Country Status (1)

Country Link
CN (1) CN105463323A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07278751A (en) * 1994-04-15 1995-10-24 Kawasaki Steel Corp Bearing member excellent in characteristic of retarding microstructural change due to repeated stress load
JPH07286234A (en) * 1994-04-20 1995-10-31 Kawasaki Steel Corp Bearing member excellent in characteristic of retarding microstructural change due to repeated stress load
CN103741068A (en) * 2014-01-03 2014-04-23 宝鼎重工股份有限公司 Special process for freely forging EH36 optimized material steel ingot into plate-shaped bearing seat forged piece
CN104911508A (en) * 2015-04-23 2015-09-16 苏州劲元油压机械有限公司 Making technology of bearing pedestal for heavy-duty oil hydraulic cylinders

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07278751A (en) * 1994-04-15 1995-10-24 Kawasaki Steel Corp Bearing member excellent in characteristic of retarding microstructural change due to repeated stress load
JPH07286234A (en) * 1994-04-20 1995-10-31 Kawasaki Steel Corp Bearing member excellent in characteristic of retarding microstructural change due to repeated stress load
CN103741068A (en) * 2014-01-03 2014-04-23 宝鼎重工股份有限公司 Special process for freely forging EH36 optimized material steel ingot into plate-shaped bearing seat forged piece
CN104911508A (en) * 2015-04-23 2015-09-16 苏州劲元油压机械有限公司 Making technology of bearing pedestal for heavy-duty oil hydraulic cylinders

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Application publication date: 20160406