CN106591727A - Corrosion-resistant and high-temperature-resistant shell for oil-immersed transformer - Google Patents

Corrosion-resistant and high-temperature-resistant shell for oil-immersed transformer Download PDF

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CN106591727A
CN106591727A CN201611140864.9A CN201611140864A CN106591727A CN 106591727 A CN106591727 A CN 106591727A CN 201611140864 A CN201611140864 A CN 201611140864A CN 106591727 A CN106591727 A CN 106591727A
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powder
auxiliary agent
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composition
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叶冬明
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Suzhou Chen Heng Weaves Co Ltd
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Suzhou Chen Heng Weaves Co Ltd
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    • 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
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • 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
    • C22C38/007—Ferrous alloys, e.g. steel alloys containing silver
    • 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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron

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  • Engineering & Computer Science (AREA)
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  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a corrosion-resistant and high-temperature-resistant shell for an oil-immersed transformer. The corrosion-resistant and high-temperature-resistant shell comprises a shell body and an oil conservator arranged in the shell body, wherein the top of the shell body communicates with the oil conservator through a pipeline, and the bottom of the shell body also communicates with the oil conservator through another pipeline; the outer wall of the oil conservator is provided with cooling fins, the surfaces of the cooling fins are coated with high-temperature-resistant metal coatings, and the high-temperature-resistant metal coatings comprise the following components in a percent by mass: 0.041-0.043% of Ca, 0.24-0.26% of Na, 0.31-0.33% of Mg, 0.21-0.23% of Mn, 0.05-0.08% of K, 0.54-0.58% of Sc, 0.65-0.68% of Ti, 0.22-0.25% of V, 7.24-7.28% of Cr, 4.32-4.36% of Co, 6.23-6.28% of Ni, 0.77-0.79% of Cu, 2.35-2.38% of Zn, 0.55-0.58% of Nb, 0.5-0.8% of Pr, 0.2-0.4% of Nd, 0.27-0.29% of Pm, 2.3-2.5% of Gd, 0.52-0.58% of Tb, 1.32-1.36% of an auxiliary and the balance of iron; and the auxiliary comprises the following components in parts by weight: 12-14 parts of mica powder, 16-18 parts of silicon dioxide, 13-15 parts of graphite powder, 12-15 parts of talcum powder and 11-13 parts of aluminum powder.

Description

A kind of anticorrosive high temperature resistant oil immersion casing for transformer
Technical field
The invention belongs to technical field of textile equipment, particularly a kind of anticorrosive high temperature resistant oil immersion casing for transformer.
Background technology
Transformator has and its consequence as power supply unit；The structure of general transformator is iron core+copper cash, When temperature is raised, the resistivity of copper cash is also raised simultaneously, especially in summer, during the peak of electricity consumption, be also maximum temperature when Wait, the rising of resistivity can then cause the energy consumption of transformator to increase, and this part energy consumption further increased the temperature of transformator Degree, among a vicious cycle.
The content of the invention
The present invention provides a kind of anticorrosive high temperature resistant oil-immersed type transformer to solve technical problem present in known technology Use housing.
The present invention is adopted the technical scheme that to solve technical problem present in known technology：A kind of anticorrosive resistance to height Warm oil-immersed type transformer housing, including shell and setting conservator inside the housing, the top of shell is connected by pipeline with conservator Logical, outer casing bottom is also connected by another pipeline with conservator；Conservator outer wall has fin；
The mass percent of each composition is in fin：
C：0.02-0.03%, Al:0.56-0.83%,Zn:0.63-0.94%,Si：0.11-0.18%, Mn：0.77-0.88%, S：≤ 0.030%, P：≤ 0.030%, Cr：0.02-0.04%, Ni：0.44-0.49%, Cu：0.15-0.19%, V：0.05-0.08%, Mo： 0.16-0.19%, Ti：0.77-0.89%, B：0.01-0.02%, Pd：0.02-0.04%,Pt：0.26-0.39%,W：0.33- 0.46%,Ta：0.01-0.02%,Nd：0.03-0.07%,Ce：0.01-0.02%, Eu：0.11-0.14%,Lu:0.04-0.09%, Au：0.15-0.21%, Ag:0.42-0.54%, Ga：0.01-0.02%, Y：0.12-0.17%, Sn：0.54-0.67%, Zr：0.06- 0.11%, Re：0.02-0.05%, Bi：0.11-0.14%,
Calcium oxide：0.12-0.15%, magnesium oxide：0.13-0.15%, copper oxide：0.11-0.18%, ferrum oxide：0.15- 0.21%, manganese dioxide：0.06-0.14%, Copper hydrate：0.14-0.18%, hydrated ferric oxide.：0.05-0.09%, hydroxide Calcium：0.06-0.08%, balance of Fe；
Specifically handling process is：
A is added raw materials in smelting furnace by the mass percent of each composition in predetermined division board, and the temperature in smelting furnace is brought up to 1550 degrees Celsius to 1580 degrees Celsius, raw material is smelted to form alloy solution；
B is cooled down alloy solution obtained in the previous step, and water-cooled is combined with air cooling during cooling, first adopts water-cooled with 30-32 DEG C/alloy solution water-cooled to 410-420 DEG C of formation alloy, is then air cooled to 310-320 DEG C by the cooldown rate of s, then using water The cold cooldown rate with 13-15 DEG C/s is by alloy water-cooled to room temperature；
C is heated, and the alloy after previous step is cooled down is added in smelting furnace and carries out secondary smelting, and the temperature in smelting furnace is brought up to into 1590 Degree Celsius to 1620 degrees Celsius, alloy forms alloy solution by secondary smelting；
D is sprinkled into swelling perlite powder on alloy solution surface, and twice of slag hitting after the completion of slag hitting, forms alloy solution to be cast, It was poured in five minutes.
Further, aforesaid anticorrosive high temperature resistant oil immersion casing for transformer, fin surface coating refractory metal is applied Layer, the composition of refractory metal coating is by mass percentage：Carbon：0.041-0.043%, sodium：0.24-0.26%, magnesium：0.31- 0.33%, manganese：0.21-0.23%, potassium：0.05-0.08%, scandium：0.54-0.58%, titanium：0.65-0.68%, vanadium：0.22-0.25%, Chromium：7.24-7.28%, cobalt：4.32-4.36%, nickel：6.23-6.28%, copper：0.77-0.79%, zinc：2.35-2.38%, niobium： 0.55-0.58%, praseodymium：0.5-0.8%, neodymium：0.2-0.4%, promethium：0.27-0.29%, gadolinium：2.3-2.5%, terbium：0.52-0.58%, helps Agent：1.32-1.36%, balance of ferrum；
The composition of auxiliary agent is calculated by weight as：Mica powder：12-14 parts, silicon dioxide：16-18 parts, graphite powder：13-15 parts, Pulvis Talci：12-15 parts, aluminium powder：11-13 parts；
The preparation method of auxiliary agent is：Powder in ball mill is sent into in mica powder, silicon dioxide, graphite powder, Pulvis Talci, aluminium powder mixing It is broken, 100 mesh sieves are crossed, powder particle is obtained, then temperature is heated to into 650-660 DEG C, after 2-4 hour of calcining, it is air cooled to room Temperature, then crushes, and crosses 200 mesh sieves, you can obtain auxiliary agent.
Further, aforesaid anticorrosive high temperature resistant oil immersion casing for transformer, the mass percent of each composition in fin For：
C：0.025%, Al:0.72%,Zn:0.81%,Si：0.16%, Mn：0.81%, S：≤ 0.030%, P：≤ 0.030%, Cr： 0.03%, Ni：0.45%, Cu：0.16%, V：0.05%, Mo：0.17%, Ti：0.81%, B：0.01%, Pd：0.02%,Pt：0.31%, W：0.36%,Ta：0.01%,Nd：0.04%,Ce：0.01%, Eu：0.12%,Lu:0.06%, Au：0.17%, Ag:0.52%, Ga： 0.01%, Y：0.15%, Sn：0.58%, Zr：0.07%, Re：0.04%, Bi：0.12%,
Calcium oxide：0.14%, magnesium oxide：0.13%, copper oxide：0.15%, ferrum oxide：0.16%, manganese dioxide：0.07%, Copper hydrate：0.15%, hydrated ferric oxide.：0.07%, calcium hydroxide：0.07%, balance of Fe；
The composition of refractory metal coating is by mass percentage：Carbon：0.042%, sodium：0.25%, magnesium：0.32%, manganese：0.23%, Potassium：0.06%, scandium：0.56%, titanium：0.68%, vanadium：0.24%, chromium：7.25%, cobalt：4.33%, nickel：6.25%, copper：0.77%, zinc： 2.36%, niobium：0.56%, praseodymium：0.6%, neodymium：0.2%, promethium：0.28%, gadolinium：2.4%, terbium：0.55%, auxiliary agent：1.33%, balance of ferrum；
The composition of auxiliary agent is calculated by weight as：Mica powder：12 parts, silicon dioxide：16 parts, graphite powder：15 parts, Pulvis Talci：12 Part, aluminium powder：13 parts；
The preparation method of auxiliary agent is：Powder in ball mill is sent into in mica powder, silicon dioxide, graphite powder, Pulvis Talci, aluminium powder mixing It is broken, 100 mesh sieves are crossed, powder particle is obtained, then temperature is heated to into 650-660 DEG C, after 2-4 hour of calcining, it is air cooled to room Temperature, then crushes, and crosses 200 mesh sieves, you can obtain auxiliary agent.
Further, aforesaid anticorrosive high temperature resistant oil immersion casing for transformer, the mass percent of each composition is in fin：
C：0.025%, Al:0.72%,Zn:0.72%,Si：0.16%, Mn：0.86%, S：≤ 0.030%, P：≤ 0.030%, Cr： 0.03%, Ni：0.45%, Cu：0.18%, V：0.06%, Mo：0.18%, Ti：0.86%, B：0.015%, Pd：0.025%,Pt： 0.31%,W：0.39%,Ta：0.015%,Nd：0.05%,Ce：0.015%, Eu：0.13%,Lu:0.08%, Au：0.18%, Ag: 0.43%, Ga：0.015%, Y：0.15%, Sn：0.58%, Zr：0.09%, Re：0.03%, Bi：0.13%,
Calcium oxide：0.13%, magnesium oxide：0.14%, copper oxide：0.15%, ferrum oxide：0.18%, manganese dioxide：0.13%, Copper hydrate：0.16%, hydrated ferric oxide.：0.08%, calcium hydroxide：0.072%, balance of Fe；
The composition of refractory metal coating is by mass percentage：Carbon：0.043%, sodium：0.25%, magnesium：0.31%, manganese：0.23%, Potassium：0.07%, scandium：0.56%, titanium：0.68%, vanadium：0.23%, chromium：7.27%, cobalt：4.34%, nickel：6.27%, copper：0.78%, zinc： 2.37%, niobium：0.56%, praseodymium：0.7%, neodymium：0.3%, promethium：0.27%, gadolinium：2.4%, terbium：0.56%, auxiliary agent：1.34%, balance of ferrum；
The composition of auxiliary agent is calculated by weight as：Mica powder：13 parts, silicon dioxide：17 parts, graphite powder：13 parts, Pulvis Talci：13 Part, aluminium powder：11 parts；
The preparation method of auxiliary agent is：Powder in ball mill is sent into in mica powder, silicon dioxide, graphite powder, Pulvis Talci, aluminium powder mixing It is broken, 100 mesh sieves are crossed, powder particle is obtained, then temperature is heated to into 650-660 DEG C, after 2-4 hour of calcining, it is air cooled to room Temperature, then crushes, and crosses 200 mesh sieves, you can obtain auxiliary agent.
The present invention has the advantage that and good effect.
Specific embodiment
For the content of the invention, feature and effect of the present invention can be further appreciated that, hereby enumerate following examples and describe in detail such as Under.
Embodiment 1
Present embodiments provide a kind of anticorrosive high temperature resistant oil immersion casing for transformer, including shell and arrange inside the housing Conservator, the top of shell is connected by pipeline with conservator, and outer casing bottom is also connected by another pipeline with conservator；Conservator outer wall has There is fin；
The mass percent of each composition is in fin：
C：0.025%, Al:0.72%,Zn:0.81%,Si：0.16%, Mn：0.81%, S：≤ 0.030%, P：≤ 0.030%, Cr： 0.03%, Ni：0.45%, Cu：0.16%, V：0.05%, Mo：0.17%, Ti：0.81%, B：0.01%, Pd：0.02%,Pt：0.31%, W：0.36%,Ta：0.01%,Nd：0.04%,Ce：0.01%, Eu：0.12%,Lu:0.06%, Au：0.17%, Ag:0.52%, Ga： 0.01%, Y：0.15%, Sn：0.58%, Zr：0.07%, Re：0.04%, Bi：0.12%,
Calcium oxide：0.14%, magnesium oxide：0.13%, copper oxide：0.15%, ferrum oxide：0.16%, manganese dioxide：0.07%, Copper hydrate：0.15%, hydrated ferric oxide.：0.07%, calcium hydroxide：0.07%, balance of Fe；
Specifically handling process is：
A is added raw materials in smelting furnace by the mass percent of each composition in predetermined division board, and the temperature in smelting furnace is brought up to 1550 degrees Celsius to 1580 degrees Celsius, raw material is smelted to form alloy solution；
B is cooled down alloy solution obtained in the previous step, and water-cooled is combined with air cooling during cooling, first adopts water-cooled with 30-32 DEG C/alloy solution water-cooled to 410-420 DEG C of formation alloy, is then air cooled to 310-320 DEG C by the cooldown rate of s, then using water The cold cooldown rate with 13-15 DEG C/s is by alloy water-cooled to room temperature；
C is heated, and the alloy after previous step is cooled down is added in smelting furnace and carries out secondary smelting, and the temperature in smelting furnace is brought up to into 1590 Degree Celsius to 1620 degrees Celsius, alloy forms alloy solution by secondary smelting；
D is sprinkled into swelling perlite powder on alloy solution surface, and twice of slag hitting after the completion of slag hitting, forms alloy solution to be cast, It was poured in five minutes.
Fin surface coats refractory metal coating, and the composition of refractory metal coating is by mass percentage：Carbon： 0.042%, sodium：0.25%, magnesium：0.32%, manganese：0.23%, potassium：0.06%, scandium：0.56%, titanium：0.68%, vanadium：0.24%, chromium： 7.25%, cobalt：4.33%, nickel：6.25%, copper：0.77%, zinc：2.36%, niobium：0.56%, praseodymium：0.6%, neodymium：0.2%, promethium：0.28%, Gadolinium：2.4%, terbium：0.55%, auxiliary agent：1.33%, balance of ferrum；
The composition of auxiliary agent is calculated by weight as：Mica powder：12 parts, silicon dioxide：16 parts, graphite powder：15 parts, Pulvis Talci：12 Part, aluminium powder：13 parts；
The preparation method of auxiliary agent is：Powder in ball mill is sent into in mica powder, silicon dioxide, graphite powder, Pulvis Talci, aluminium powder mixing It is broken, 100 mesh sieves are crossed, powder particle is obtained, then temperature is heated to into 650-660 DEG C, after 2-4 hour of calcining, it is air cooled to room Temperature, then crushes, and crosses 200 mesh sieves, you can obtain auxiliary agent.
Embodiment 2
Present embodiments provide a kind of anticorrosive high temperature resistant oil immersion casing for transformer, including shell and arrange inside the housing Conservator, the top of shell is connected by pipeline with conservator, and outer casing bottom is also connected by another pipeline with conservator；Conservator outer wall has There is fin；
The mass percent of each composition is in fin：C：0.025%, Al:0.72%,Zn:0.72%,Si：0.16%, Mn： 0.86%, S：≤ 0.030%, P：≤ 0.030%, Cr：0.03%, Ni：0.45%, Cu：0.18%, V：0.06%, Mo：0.18%, Ti： 0.86%, B：0.015%, Pd：0.025%,Pt：0.31%,W：0.39%,Ta：0.015%,Nd：0.05%,Ce：0.015%, Eu： 0.13%,Lu:0.08%, Au：0.18%, Ag:0.43%, Ga：0.015%, Y：0.15%, Sn：0.58%, Zr：0.09%, Re： 0.03%, Bi：0.13%,
Calcium oxide：0.13%, magnesium oxide：0.14%, copper oxide：0.15%, ferrum oxide：0.18%, manganese dioxide：0.13%, Copper hydrate：0.16%, hydrated ferric oxide.：0.08%, calcium hydroxide：0.072%, balance of Fe；
Specifically handling process is：
A is added raw materials in smelting furnace by the mass percent of each composition in predetermined division board, and the temperature in smelting furnace is brought up to 1550 degrees Celsius to 1580 degrees Celsius, raw material is smelted to form alloy solution；
B is cooled down alloy solution obtained in the previous step, and water-cooled is combined with air cooling during cooling, first adopts water-cooled with 30-32 DEG C/alloy solution water-cooled to 410-420 DEG C of formation alloy, is then air cooled to 310-320 DEG C by the cooldown rate of s, then using water The cold cooldown rate with 13-15 DEG C/s is by alloy water-cooled to room temperature；
C is heated, and the alloy after previous step is cooled down is added in smelting furnace and carries out secondary smelting, and the temperature in smelting furnace is brought up to into 1590 Degree Celsius to 1620 degrees Celsius, alloy forms alloy solution by secondary smelting；
D is sprinkled into swelling perlite powder on alloy solution surface, and twice of slag hitting after the completion of slag hitting, forms alloy solution to be cast, It was poured in five minutes.
Fin surface coats refractory metal coating, and the composition of refractory metal coating is by mass percentage：Carbon： 0.043%, sodium：0.25%, magnesium：0.31%, manganese：0.23%, potassium：0.07%, scandium：0.56%, titanium：0.68%, vanadium：0.23%, chromium： 7.27%, cobalt：4.34%, nickel：6.27%, copper：0.78%, zinc：2.37%, niobium：0.56%, praseodymium：0.7%, neodymium：0.3%, promethium：0.27%, Gadolinium：2.4%, terbium：0.56%, auxiliary agent：1.34%, balance of ferrum；
The composition of auxiliary agent is calculated by weight as：Mica powder：13 parts, silicon dioxide：17 parts, graphite powder：13 parts, Pulvis Talci：13 Part, aluminium powder：11 parts；
The preparation method of auxiliary agent is：Powder in ball mill is sent into in mica powder, silicon dioxide, graphite powder, Pulvis Talci, aluminium powder mixing It is broken, 100 mesh sieves are crossed, powder particle is obtained, then temperature is heated to into 650-660 DEG C, after 2-4 hour of calcining, it is air cooled to room Temperature, then crushes, and crosses 200 mesh sieves, you can obtain auxiliary agent.
The above is only to presently preferred embodiments of the present invention, any pro forma restriction is not made to the present invention, it is every According to the technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, this is belonged to In the range of bright technical scheme.

Claims (4)

1. a kind of anticorrosive high temperature resistant oil immersion casing for transformer, including shell and setting conservator inside the housing, it is described outer The top of shell is connected by pipeline with conservator, and the outer casing bottom is also connected by another pipeline with conservator；The conservator outer wall With fin；
The mass percent of each composition is in the fin：
C：0.02-0.03%, Al:0.56-0.83%,Zn:0.63-0.94%,Si：0.11-0.18%, Mn：0.77-0.88%, S：≤ 0.030%, P：≤ 0.030%, Cr：0.02-0.04%, Ni：0.44-0.49%, Cu：0.15-0.19%, V：0.05-0.08%, Mo： 0.16-0.19%, Ti：0.77-0.89%, B：0.01-0.02%, Pd：0.02-0.04%,Pt：0.26-0.39%,W：0.33- 0.46%,Ta：0.01-0.02%,Nd：0.03-0.07%,Ce：0.01-0.02%, Eu：0.11-0.14%,Lu:0.04-0.09%, Au：0.15-0.21%, Ag:0.42-0.54%, Ga：0.01-0.02%, Y：0.12-0.17%, Sn：0.54-0.67%, Zr：0.06- 0.11%, Re：0.02-0.05%, Bi：0.11-0.14%,
Calcium oxide：0.12-0.15%, magnesium oxide：0.13-0.15%, copper oxide：0.11-0.18%, ferrum oxide：0.15- 0.21%, manganese dioxide：0.06-0.14%, Copper hydrate：0.14-0.18%, hydrated ferric oxide.：0.05-0.09%, hydroxide Calcium：0.06-0.08%, balance of Fe；
Specifically handling process is：
A is added raw materials in smelting furnace by the mass percent of each composition in predetermined division board, and the temperature in smelting furnace is brought up to 1550 degrees Celsius to 1580 degrees Celsius, raw material is smelted to form alloy solution；
B is cooled down alloy solution obtained in the previous step, and water-cooled is combined with air cooling during cooling, first adopts water-cooled with 30-32 DEG C/alloy solution water-cooled to 410-420 DEG C of formation alloy, is then air cooled to 310-320 DEG C by the cooldown rate of s, then using water The cold cooldown rate with 13-15 DEG C/s is by alloy water-cooled to room temperature；
C is heated, and the alloy after previous step is cooled down is added in smelting furnace and carries out secondary smelting, and the temperature in smelting furnace is brought up to into 1590 Degree Celsius to 1620 degrees Celsius, alloy forms alloy solution by secondary smelting；
D is sprinkled into swelling perlite powder on alloy solution surface, and twice of slag hitting after the completion of slag hitting, forms alloy solution to be cast, It was poured in five minutes.
2. anticorrosive high temperature resistant oil immersion casing for transformer according to claim 1, it is characterised in that the fin table Face coats refractory metal coating, and the composition of the refractory metal coating is by mass percentage：Carbon：0.041-0.043%, Sodium：0.24-0.26%, magnesium：0.31-0.33%, manganese：0.21-0.23%, potassium：0.05-0.08%, scandium：0.54-0.58%, titanium： 0.65-0.68%, vanadium：0.22-0.25%, chromium：7.24-7.28%, cobalt：4.32-4.36%, nickel：6.23-6.28%, copper：0.77- 0.79%, zinc：2.35-2.38%, niobium：0.55-0.58%, praseodymium：0.5-0.8%, neodymium：0.2-0.4%, promethium：0.27-0.29%, gadolinium： 2.3-2.5%, terbium：0.52-0.58%, auxiliary agent：1.32-1.36%, balance of ferrum；
The composition of the auxiliary agent is calculated by weight as：Mica powder：12-14 parts, silicon dioxide：16-18 parts, graphite powder：13-15 Part, Pulvis Talci：12-15 parts, aluminium powder：11-13 parts；
The preparation method of the auxiliary agent is：Mica powder, silicon dioxide, graphite powder, Pulvis Talci, aluminium powder mixing are sent in ball mill Crush, cross 100 mesh sieves, obtain powder particle, then temperature is heated to into 650-660 DEG C, after 2-4 hour of calcining, be air cooled to Room temperature, then crushes, and crosses 200 mesh sieves, you can obtain auxiliary agent.
3. anticorrosive high temperature resistant oil immersion casing for transformer according to claim 2, it is characterised in that in the fin The mass percent of each composition is：
C：0.025%, Al:0.72%,Zn:0.81%,Si：0.16%, Mn：0.81%, S：≤ 0.030%, P：≤ 0.030%, Cr： 0.03%, Ni：0.45%, Cu：0.16%, V：0.05%, Mo：0.17%, Ti：0.81%, B：0.01%, Pd：0.02%,Pt：0.31%, W：0.36%,Ta：0.01%,Nd：0.04%,Ce：0.01%, Eu：0.12%,Lu:0.06%, Au：0.17%, Ag:0.52%, Ga： 0.01%, Y：0.15%, Sn：0.58%, Zr：0.07%, Re：0.04%, Bi：0.12%,
Calcium oxide：0.14%, magnesium oxide：0.13%, copper oxide：0.15%, ferrum oxide：0.16%, manganese dioxide：0.07%, Copper hydrate：0.15%, hydrated ferric oxide.：0.07%, calcium hydroxide：0.07%, balance of Fe；
The composition of the refractory metal coating is by mass percentage：Carbon：0.042%, sodium：0.25%, magnesium：0.32%, manganese： 0.23%, potassium：0.06%, scandium：0.56%, titanium：0.68%, vanadium：0.24%, chromium：7.25%, cobalt：4.33%, nickel：6.25%, copper： 0.77%, zinc：2.36%, niobium：0.56%, praseodymium：0.6%, neodymium：0.2%, promethium：0.28%, gadolinium：2.4%, terbium：0.55%, auxiliary agent：1.33%, Balance of ferrum；
The composition of the auxiliary agent is calculated by weight as：Mica powder：12 parts, silicon dioxide：16 parts, graphite powder：15 parts, Talcum Powder：12 parts, aluminium powder：13 parts；
The preparation method of the auxiliary agent is：Mica powder, silicon dioxide, graphite powder, Pulvis Talci, aluminium powder mixing are sent in ball mill Crush, cross 100 mesh sieves, obtain powder particle, then temperature is heated to into 650-660 DEG C, after 2-4 hour of calcining, be air cooled to Room temperature, then crushes, and crosses 200 mesh sieves, you can obtain auxiliary agent.
4. anticorrosive high temperature resistant oil immersion casing for transformer according to claim 2, it is characterised in that in the fin The mass percent of each composition is：
C：0.025%, Al:0.72%,Zn:0.72%,Si：0.16%, Mn：0.86%, S：≤ 0.030%, P：≤ 0.030%, Cr： 0.03%, Ni：0.45%, Cu：0.18%, V：0.06%, Mo：0.18%, Ti：0.86%, B：0.015%, Pd：0.025%,Pt： 0.31%,W：0.39%,Ta：0.015%,Nd：0.05%,Ce：0.015%, Eu：0.13%,Lu:0.08%, Au：0.18%, Ag: 0.43%, Ga：0.015%, Y：0.15%, Sn：0.58%, Zr：0.09%, Re：0.03%, Bi：0.13%,
Calcium oxide：0.13%, magnesium oxide：0.14%, copper oxide：0.15%, ferrum oxide：0.18%, manganese dioxide：0.13%, Copper hydrate：0.16%, hydrated ferric oxide.：0.08%, calcium hydroxide：0.072%, balance of Fe；
The composition of the refractory metal coating is by mass percentage：Carbon：0.043%, sodium：0.25%, magnesium：0.31%, manganese： 0.23%, potassium：0.07%, scandium：0.56%, titanium：0.68%, vanadium：0.23%, chromium：7.27%, cobalt：4.34%, nickel：6.27%, copper： 0.78%, zinc：2.37%, niobium：0.56%, praseodymium：0.7%, neodymium：0.3%, promethium：0.27%, gadolinium：2.4%, terbium：0.56%, auxiliary agent：1.34%, Balance of ferrum；
The composition of the auxiliary agent is calculated by weight as：Mica powder：13 parts, silicon dioxide：17 parts, graphite powder：13 parts, Talcum Powder：13 parts, aluminium powder：11 parts；
The preparation method of the auxiliary agent is：Mica powder, silicon dioxide, graphite powder, Pulvis Talci, aluminium powder mixing are sent in ball mill Crush, cross 100 mesh sieves, obtain powder particle, then temperature is heated to into 650-660 DEG C, after 2-4 hour of calcining, be air cooled to Room temperature, then crushes, and crosses 200 mesh sieves, you can obtain auxiliary agent.
CN201611140864.9A 2016-12-12 2016-12-12 Corrosion-resistant and high-temperature-resistant shell for oil-immersed transformer Pending CN106591727A (en)

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CN107557656A (en) * 2017-09-03 2018-01-09 安徽天裕汽车零部件制造有限公司 A kind of production technology of automobile ball arm
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CN107723610A (en) * 2017-10-24 2018-02-23 博尔德南通汽车零部件有限公司 High-strength spring processing technology
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CN107419184A (en) * 2017-06-09 2017-12-01 太仓东旭精密机械有限公司 A kind of high-performance handware
CN107254630A (en) * 2017-06-11 2017-10-17 太仓捷公精密金属材料有限公司 A kind of high-performance antifriction metal friction material
CN107557656A (en) * 2017-09-03 2018-01-09 安徽天裕汽车零部件制造有限公司 A kind of production technology of automobile ball arm
CN107747051A (en) * 2017-10-18 2018-03-02 博尔德南通汽车零部件有限公司 A kind of high-strength corrosion-resisting spring machining process
CN107699776A (en) * 2017-10-19 2018-02-16 宁波大特锁业有限公司 A kind of lockmaking Alloy Materials and preparation method thereof
CN107723610A (en) * 2017-10-24 2018-02-23 博尔德南通汽车零部件有限公司 High-strength spring processing technology
RU2651069C1 (en) * 2017-11-27 2018-04-18 Юлия Алексеевна Щепочкина Iron-based alloy
RU2660452C1 (en) * 2017-12-19 2018-07-06 Юлия Алексеевна Щепочкина Iron-based alloy
CN107900358A (en) * 2017-12-22 2018-04-13 刘�东 A kind of preparation method of flame-retardant heat-dissipating type transformer case
CN111471935A (en) * 2020-05-15 2020-07-31 佛山科学技术学院 HIC (hydrogen induced cracking) resistant steel for pipelines and preparation method thereof
CN111471935B (en) * 2020-05-15 2021-03-26 佛山科学技术学院 HIC (hydrogen induced cracking) resistant steel for pipelines and preparation method thereof
CN112593139A (en) * 2020-12-10 2021-04-02 泉州市泉兴五金艺品有限公司 Iron craft formula and preparation process thereof

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