CN104836418A - Frequency converter source chamber - Google Patents
Frequency converter source chamber Download PDFInfo
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- CN104836418A CN104836418A CN201510244262.7A CN201510244262A CN104836418A CN 104836418 A CN104836418 A CN 104836418A CN 201510244262 A CN201510244262 A CN 201510244262A CN 104836418 A CN104836418 A CN 104836418A
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
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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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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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
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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
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
- C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
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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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Power Engineering (AREA)
- Mold Materials And Core Materials (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
The invention discloses a frequency converter source chamber. The surface of a frequency converter is provided with an anti-corrosion coating. The anti-corrosion coating comprises the following components by the mass percentage: 0.01 to 0.03% of carbon, 0.16 to 0.18% of magnesium, 0.25 to 0.28% of silicon, 0.75 to 0.78% of vanadium, 12.52 to 12.55% of nickel, 4.73 to 4.75% of zinc, 0.02 to 0.05% of calcium, 4.84 to 4.86% of molybdenum, 0.12 to 0.16% of cobalt, 0.22 to 0.26% of tungsten, 0.62 to 0.65% of copper, 2.42 to 2.45% of aluminum, 1.45 to 1.48% of lanthanum, 5.54 to 5.56% of neodymium, 3.33 to 3.35% of thulium, 0.22 to 0.24% of europium, 4.42 to 4.45% of holmium and 5.36 to 5.38% of an auxiliary agent, the balance being iron.
Description
Technical field
The invention belongs to frequency converter field, relate to a kind of converter power supply case.
Background technology
Along with developing rapidly of electric utility, also promote developing rapidly of converter power supply case simultaneously, it is larger that existing converter power supply case more does volume, inner electric equipment gets more and more, and a lot of converter power supply case needs to be exposed to outdoor and to work when work under bad environment, so very strict to the performance requirement of converter power supply case, require that it must possess corrosion-resistant, the advantage such as high temperature resistant, but the converter power supply case on market can not meet existing requirement, and useful life is short.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the shortcoming of prior art, provides a kind of converter power supply case, not only intensity is high, good toughness, vibration resistance, heat-resisting, corrosion-resistant, smooth surface, outward appearance is good, and cost is low, long service life, and its preparation method is provided, method is simple, and improve the quality of products, operating efficiency is high.
In order to solve above technical problem, the invention provides a kind of converter power supply case, frequency conversion box surface is provided with corrosion-resistant finishes, the component of this corrosion-resistant finishes is by mass percentage: carbon: 0.01-0.03%, magnesium: 0.16-0.18%, silicon: 0.25-0.28%, vanadium: 0.75-0.78%, nickel: 12.52-12.55%, zinc: 4.73-4.75%, calcium: 0.02-0.05%, molybdenum: 4.84-4.86%, cobalt: 0.12-0.16%, tungsten: 0.22-0.26%, copper: 0.62-0.65%, aluminium: 2.42-2.45%, lanthanum: 1.45-1.48%, neodymium: 5.54-5.56%, thulium: 3.33-3.35%, europium: 0.22-0.24%, holmium: 4.42-4.45%, auxiliary agent: 5.36-5.38%, surplus is iron,
The component of auxiliary agent is counted by weight: mica powder: 13-15 part, tourmaline: 12-14 part, kaolinite: 5-7 part, deionized water: 50-55 part, bortz powder: 7-9 part, talcum powder: 8-12 part, clay: 20-25 part;
The preparation method of auxiliary agent is: by mica powder, tourmaline and kaolinite co-grinding, cross 100 mesh sieves, obtain powders A, then bortz powder, clay and talcum powder co-grinding, cross 100 mesh sieves, obtain powder B, powders A and powder B are uniformly mixed with the ratio of 4:3, stir 10-15 minute, then add deionized water and stirring reaction 40-50 minute, then filter, dry, pulverize, cross 120 mesh sieves, under nitrogen atmosphere, after calcining 2-3 hour at being heated to 945-948 DEG C, air cooling, to room temperature, is then pulverized, cross 120 mesh sieves, can auxiliary agent be obtained.
The present invention is also provided for the preparation method of converter power supply case corrosion-resistant finishes, and concrete preparation method is as follows:
Step (1): carbon, magnesium, silicon, vanadium, nickel, zinc, calcium, molybdenum, cobalt, tungsten and ferro element are put into smelting furnace, then after furnace temperature being risen to 850-860 DEG C, insulation 1-3 hour, then temperature is risen to 1350-1360 DEG C, put into lanthanum, neodymium, thulium, europium, holmium element, stir, insulation 3-5 hour, then air cooling is to 540-550 DEG C, then air cooling is to room temperature;
Step (2): through the refining of LF stove, temperature is increased to 1450-1460 DEG C, and puts into copper, aluminium and auxiliary agent, stir, insulation 3-5h, omnidistance nitrogen blowing stirs, and then cools the temperature to as 770-780 DEG C; Then water-cooled is cooled to 420-430 DEG C with the speed of 5-10 DEG C/s, and then air cooling is to room temperature;
Step (3): the metal that step (2) obtains is put into ball mill, temperature is increased to 420-450 DEG C, insulation 1-3 hour, then start ball mill abrasive dust, then temperature is increased to 720-730 DEG C, insulation 1-2 hour, be reduced to 450-460 DEG C, pulverize, cross 120 mesh sieves, obtain powder particle B;
Step (4): the powder particle B in step (3) is sprayed into converter power supply case surface, thickness is 1-5mm, is then heated to 450-470 DEG C, insulation 1-2 hour, cools the temperature to 220-250 DEG C, and insulation 1-2 hour, air cooling is to room temperature.
The technical scheme that the present invention limits further is:
Aforesaid converter power supply case, frequency conversion box surface is provided with corrosion-resistant finishes, and the component of this corrosion-resistant finishes is by mass percentage: carbon: 0.01%, magnesium: 0.16%, silicon: 0.25%, vanadium: 0.75%, nickel: 12.52%, zinc: 4.73%, calcium: 0.02%, molybdenum: 4.84%, cobalt: 0.12%, tungsten: 0.22%, copper: 0.62%, aluminium: 2.42%, lanthanum: 1.45%, neodymium: 5.54%, thulium: 3.33%, europium: 0.22%, holmium: 4.42%, auxiliary agent: 5.36%, surplus is iron;
The component of auxiliary agent is counted by weight: mica powder: 13 parts, tourmaline: 12 parts, kaolinite: 5 parts, deionized water: 50 parts, bortz powder: 7 parts, talcum powder: 8 parts, clay: 20 parts;
The preparation method of auxiliary agent is: by mica powder, tourmaline and kaolinite co-grinding, cross 100 mesh sieves, obtain powders A, then bortz powder, clay and talcum powder co-grinding, cross 100 mesh sieves, obtain powder B, powders A and powder B are uniformly mixed with the ratio of 4:3, stir 10 minutes, then add deionized water and stirring and react 40 minutes, then filter, dry, pulverize, cross 120 mesh sieves, under nitrogen atmosphere, calcine after 2 hours at being heated to 945 DEG C, air cooling, to room temperature, is then pulverized, cross 120 mesh sieves, can auxiliary agent be obtained.
Aforesaid converter power supply case, frequency conversion box surface is provided with corrosion-resistant finishes, and the component of this corrosion-resistant finishes is by mass percentage: carbon: 0.03%, magnesium: 0.18%, silicon: 0.28%, vanadium: 0.78%, nickel: 12.55%, zinc: 4.75%, calcium: 0.05%, molybdenum: 4.86%, cobalt: 0.16%, tungsten: 0.26%, copper: 0.65%, aluminium: 2.45%, lanthanum: 1.48%, neodymium: 5.56%, thulium: 3.35%, europium: 0.24%, holmium: 4.45%, auxiliary agent: 5.38%, surplus is iron;
The component of auxiliary agent is counted by weight: mica powder: 15 parts, tourmaline: 14 parts, kaolinite: 7 parts, deionized water: 55 parts, bortz powder: 9 parts, talcum powder: 12 parts, clay: 25 parts;
The preparation method of auxiliary agent is: by mica powder, tourmaline and kaolinite co-grinding, cross 100 mesh sieves, obtain powders A, then bortz powder, clay and talcum powder co-grinding, cross 100 mesh sieves, obtain powder B, powders A and powder B are uniformly mixed with the ratio of 4:3, stir 15 minutes, then add deionized water and stirring and react 50 minutes, then filter, dry, pulverize, cross 120 mesh sieves, under nitrogen atmosphere, calcine after 3 hours at being heated to 948 DEG C, air cooling, to room temperature, is then pulverized, cross 120 mesh sieves, can auxiliary agent be obtained.
Aforesaid converter power supply case, frequency conversion box surface is provided with corrosion-resistant finishes, and the component of this corrosion-resistant finishes is by mass percentage: carbon: 0.02%, magnesium: 0.17%, silicon: 0.26%, vanadium: 0.77%, nickel: 12.53%, zinc: 4.74%, calcium: 0.03%, molybdenum: 4.85%, cobalt: 0.14%, tungsten: 0.24%, copper: 0.63%, aluminium: 2.43%, lanthanum: 1.47%, neodymium: 5.55%, thulium: 3.34%, europium: 0.23%, holmium: 4.44%, auxiliary agent: 5.37%, surplus is iron;
The component of auxiliary agent is counted by weight: mica powder: 14 parts, tourmaline: 13 parts, kaolinite: 6 parts, deionized water: 52 parts, bortz powder: 8 parts, talcum powder: 10 parts, clay: 22 parts;
The preparation method of auxiliary agent is: by mica powder, tourmaline and kaolinite co-grinding, cross 100 mesh sieves, obtain powders A, then bortz powder, clay and talcum powder co-grinding, cross 100 mesh sieves, obtain powder B, powders A and powder B are uniformly mixed with the ratio of 4:3, stir 12 minutes, then add deionized water and stirring and react 48 minutes, then filter, dry, pulverize, cross 120 mesh sieves, under nitrogen atmosphere, calcine after 2.8 hours at being heated to 947 DEG C, air cooling, to room temperature, is then pulverized, cross 120 mesh sieves, can auxiliary agent be obtained.
The invention has the beneficial effects as follows: converter power supply case surface arranges corrosion-resistant finishes, tourmaline is added in auxiliary agent in coating, the advantage of tourmaline can not only be utilized: 1. produce anion, 2. brine electrolysis, 3. reduce hydrone bundle, 4. emitting far infrared ray, in the fabrication process, can not only crystal grain thinning, the performance of coating can be increased, as " intensity, toughness, vibration resistance, heat-resisting, corrosion-resistant etc., and by adding the lanthanum in rare earth element, neodymium, thulium, europium, holmium, can promote to form metallic element rapid aggregation, form fine and close grain structure, gain in strength, add the intensity that nickel can improve steel, nickel has higher corrosion resistance to soda acid, at high temperature there is antirust and temperature capacity, add the grain refinement that molybdenum can make steel, improve quenching degree and thermostrength, keep enough intensity and creep resisting ability when high temperature, add manganese element, manganese is good deoxidier and desulfurizing agent, and by preparation method, can reduce costs, save process time, improve productivity effect.
Embodiment
embodiment 1
A kind of converter power supply case that the present embodiment provides, frequency conversion box surface is provided with corrosion-resistant finishes, and the component of this corrosion-resistant finishes is by mass percentage: carbon: 0.01%, magnesium: 0.16%, silicon: 0.25%, vanadium: 0.75%, nickel: 12.52%, zinc: 4.73%, calcium: 0.02%, molybdenum: 4.84%, cobalt: 0.12%, tungsten: 0.22%, copper: 0.62%, aluminium: 2.42%, lanthanum: 1.45%, neodymium: 5.54%, thulium: 3.33%, europium: 0.22%, holmium: 4.42%, auxiliary agent: 5.36%, surplus is iron;
The component of auxiliary agent is counted by weight: mica powder: 13 parts, tourmaline: 12 parts, kaolinite: 5 parts, deionized water: 50 parts, bortz powder: 7 parts, talcum powder: 8 parts, clay: 20 parts;
The preparation method of auxiliary agent is: by mica powder, tourmaline and kaolinite co-grinding, cross 100 mesh sieves, obtain powders A, then bortz powder, clay and talcum powder co-grinding, cross 100 mesh sieves, obtain powder B, powders A and powder B are uniformly mixed with the ratio of 4:3, stir 10 minutes, then add deionized water and stirring and react 40 minutes, then filter, dry, pulverize, cross 120 mesh sieves, under nitrogen atmosphere, calcine after 2 hours at being heated to 945 DEG C, air cooling, to room temperature, is then pulverized, cross 120 mesh sieves, can auxiliary agent be obtained.
The present embodiment is also provided for the preparation method of converter power supply case corrosion-resistant finishes, and concrete preparation method is as follows:
Step (1): carbon, magnesium, silicon, vanadium, nickel, zinc, calcium, molybdenum, cobalt, tungsten and ferro element are put into smelting furnace, then after furnace temperature being risen to 850 DEG C, be incubated 1 hour, then temperature is risen to 1350 DEG C, put into lanthanum, neodymium, thulium, europium, holmium element, stir, be incubated 3 hours, then air cooling to 540 DEG C, then air cooling is to room temperature;
Step (2): through the refining of LF stove, temperature is increased to 1450 DEG C, and puts into copper, aluminium and auxiliary agent, stir, insulation 3h, omnidistance nitrogen blowing stirs, and then cooling the temperature to is 770 DEG C; Then water-cooled is cooled to 420 DEG C with the speed of 5 DEG C/s, and then air cooling is to room temperature;
Step (3): the metal that step (2) obtains is put into ball mill, temperature is increased to 420 DEG C, is incubated 1 hour, then starts ball mill abrasive dust, again temperature is increased to 720 DEG C, is incubated 1 hour, is being reduced to 450 DEG C, pulverize, cross 120 mesh sieves, obtain powder particle B;
Step (4): the powder particle B in step (3) is sprayed into converter power supply case surface, thickness is 1mm, is then heated to 450 DEG C, is incubated 1 hour, then cools the temperature to 220 DEG C, and be incubated 1 hour, air cooling is to room temperature.
embodiment 2
A kind of converter power supply case that the present embodiment provides, frequency conversion box surface is provided with corrosion-resistant finishes, and the component of this corrosion-resistant finishes is by mass percentage: carbon: 0.03%, magnesium: 0.18%, silicon: 0.28%, vanadium: 0.78%, nickel: 12.55%, zinc: 4.75%, calcium: 0.05%, molybdenum: 4.86%, cobalt: 0.16%, tungsten: 0.26%, copper: 0.65%, aluminium: 2.45%, lanthanum: 1.48%, neodymium: 5.56%, thulium: 3.35%, europium: 0.24%, holmium: 4.45%, auxiliary agent: 5.38%, surplus is iron;
The component of auxiliary agent is counted by weight: mica powder: 15 parts, tourmaline: 14 parts, kaolinite: 7 parts, deionized water: 55 parts, bortz powder: 9 parts, talcum powder: 12 parts, clay: 25 parts;
The preparation method of auxiliary agent is: by mica powder, tourmaline and kaolinite co-grinding, cross 100 mesh sieves, obtain powders A, then bortz powder, clay and talcum powder co-grinding, cross 100 mesh sieves, obtain powder B, powders A and powder B are uniformly mixed with the ratio of 4:3, stir 15 minutes, then add deionized water and stirring and react 50 minutes, then filter, dry, pulverize, cross 120 mesh sieves, under nitrogen atmosphere, calcine after 3 hours at being heated to 948 DEG C, air cooling, to room temperature, is then pulverized, cross 120 mesh sieves, can auxiliary agent be obtained.
The present embodiment is also provided for the preparation method of converter power supply case corrosion-resistant finishes, and concrete preparation method is as follows:
Step (1): carbon, magnesium, silicon, vanadium, nickel, zinc, calcium, molybdenum, cobalt, tungsten and ferro element are put into smelting furnace, then after furnace temperature being risen to 860 DEG C, be incubated 3 hours, then temperature is risen to 1360 DEG C, put into lanthanum, neodymium, thulium, europium, holmium element, stir, be incubated 5 hours, then air cooling to 550 DEG C, then air cooling is to room temperature;
Step (2): through the refining of LF stove, temperature is increased to 1460 DEG C, and puts into copper, aluminium and auxiliary agent, stir, insulation 5h, omnidistance nitrogen blowing stirs, and then cooling the temperature to is 780 DEG C; Then water-cooled is cooled to 430 DEG C with the speed of 10 DEG C/s, and then air cooling is to room temperature;
Step (3): the metal that step (2) obtains is put into ball mill, temperature is increased to 450 DEG C, is incubated 3 hours, then starts ball mill abrasive dust, again temperature is increased to 730 DEG C, is incubated 2 hours, is being reduced to 460 DEG C, pulverize, cross 120 mesh sieves, obtain powder particle B;
Step (4): the powder particle B in step (3) is sprayed into converter power supply case surface, thickness is 5mm, is then heated to 470 DEG C, is incubated 2 hours, then cools the temperature to 250 DEG C, and be incubated 2 hours, air cooling is to room temperature.
embodiment 3
A kind of converter power supply case that the present embodiment provides, frequency conversion box surface is provided with corrosion-resistant finishes, and the component of this corrosion-resistant finishes is by mass percentage: carbon: 0.02%, magnesium: 0.17%, silicon: 0.26%, vanadium: 0.77%, nickel: 12.53%, zinc: 4.74%, calcium: 0.03%, molybdenum: 4.85%, cobalt: 0.14%, tungsten: 0.24%, copper: 0.63%, aluminium: 2.43%, lanthanum: 1.47%, neodymium: 5.55%, thulium: 3.34%, europium: 0.23%, holmium: 4.44%, auxiliary agent: 5.37%, surplus is iron;
The component of auxiliary agent is counted by weight: mica powder: 14 parts, tourmaline: 13 parts, kaolinite: 6 parts, deionized water: 52 parts, bortz powder: 8 parts, talcum powder: 10 parts, clay: 22 parts;
The preparation method of auxiliary agent is: by mica powder, tourmaline and kaolinite co-grinding, cross 100 mesh sieves, obtain powders A, then bortz powder, clay and talcum powder co-grinding, cross 100 mesh sieves, obtain powder B, powders A and powder B are uniformly mixed with the ratio of 4:3, stir 12 minutes, then add deionized water and stirring and react 48 minutes, then filter, dry, pulverize, cross 120 mesh sieves, under nitrogen atmosphere, calcine after 2.8 hours at being heated to 947 DEG C, air cooling, to room temperature, is then pulverized, cross 120 mesh sieves, can auxiliary agent be obtained.
The present embodiment is also provided for the preparation method of converter power supply case corrosion-resistant finishes, and concrete preparation method is as follows:
Step (1): carbon, magnesium, silicon, vanadium, nickel, zinc, calcium, molybdenum, cobalt, tungsten and ferro element are put into smelting furnace, then after furnace temperature being risen to 858 DEG C, be incubated 2 hours, then temperature is risen to 1358 DEG C, put into lanthanum, neodymium, thulium, europium, holmium element, stir, be incubated 4 hours, then air cooling to 546 DEG C, then air cooling is to room temperature;
Step (2): through the refining of LF stove, temperature is increased to 1458 DEG C, and puts into copper, aluminium and auxiliary agent, stir, insulation 4h, omnidistance nitrogen blowing stirs, and then cooling the temperature to is 775 DEG C; Then water-cooled is cooled to 428 DEG C with the speed of 8 DEG C/s, and then air cooling is to room temperature;
Step (3): the metal that step (2) obtains is put into ball mill, temperature is increased to 428 DEG C, is incubated 2 hours, then starts ball mill abrasive dust, again temperature is increased to 726 DEG C, is incubated 1.6 hours, is being reduced to 457 DEG C, pulverize, cross 120 mesh sieves, obtain powder particle B;
Step (4): the powder particle B in step (3) is sprayed into converter power supply case surface, thickness is 3mm, is then heated to 456 DEG C, is incubated 1.3 hours, then cools the temperature to 230 DEG C, and be incubated 1.7 hours, air cooling is to room temperature.
The pottery manufactured in above embodiment not only intensity is high, good toughness, and vibration resistance is heat-resisting, corrosion-resistant, smooth surface, and outward appearance is good, and cost is low, long service life, and provides its preparation method, and method is simple, and improve the quality of products, operating efficiency is high.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (5)
1. a converter power supply case, described frequency conversion box surface is provided with corrosion-resistant finishes, it is characterized in that: the component of this corrosion-resistant finishes is by mass percentage: carbon: 0.01-0.03%, magnesium: 0.16-0.18%, silicon: 0.25-0.28%, vanadium: 0.75-0.78%, nickel: 12.52-12.55%, zinc: 4.73-4.75%, calcium: 0.02-0.05%, molybdenum: 4.84-4.86%, cobalt: 0.12-0.16%, tungsten: 0.22-0.26%, copper: 0.62-0.65%, aluminium: 2.42-2.45%, lanthanum: 1.45-1.48%, neodymium: 5.54-5.56%, thulium: 3.33-3.35%, europium: 0.22-0.24%, holmium: 4.42-4.45%, auxiliary agent: 5.36-5.38%, surplus is iron,
The component of described auxiliary agent is counted by weight: mica powder: 13-15 part, tourmaline: 12-14 part, kaolinite: 5-7 part, deionized water: 50-55 part, bortz powder: 7-9 part, talcum powder: 8-12 part, clay: 20-25 part;
The preparation method of described auxiliary agent is: by mica powder, tourmaline and kaolinite co-grinding, cross 100 mesh sieves, obtain powders A, then bortz powder, clay and talcum powder co-grinding, cross 100 mesh sieves, obtain powder B, powders A and powder B are uniformly mixed with the ratio of 4:3, stir 10-15 minute, then add deionized water and stirring reaction 40-50 minute, then filter, dry, pulverize, cross 120 mesh sieves, under nitrogen atmosphere, after calcining 2-3 hour at being heated to 945-948 DEG C, air cooling, to room temperature, is then pulverized, cross 120 mesh sieves, can auxiliary agent be obtained.
2. converter power supply case according to claim 1, described frequency conversion box surface is provided with corrosion-resistant finishes, it is characterized in that: the component of this corrosion-resistant finishes is by mass percentage: carbon: 0.01%, magnesium: 0.16%, silicon: 0.25%, vanadium: 0.75%, nickel: 12.52%, zinc: 4.73%, calcium: 0.02%, molybdenum: 4.84%, cobalt: 0.12%, tungsten: 0.22%, copper: 0.62%, aluminium: 2.42%, lanthanum: 1.45%, neodymium: 5.54%, thulium: 3.33%, europium: 0.22%, holmium: 4.42%, auxiliary agent: 5.36%, surplus is iron;
The component of described auxiliary agent is counted by weight: mica powder: 13 parts, tourmaline: 12 parts, kaolinite: 5 parts, deionized water: 50 parts, bortz powder: 7 parts, talcum powder: 8 parts, clay: 20 parts;
The preparation method of described auxiliary agent is: by mica powder, tourmaline and kaolinite co-grinding, cross 100 mesh sieves, obtain powders A, then bortz powder, clay and talcum powder co-grinding, cross 100 mesh sieves, obtain powder B, powders A and powder B are uniformly mixed with the ratio of 4:3, stir 10 minutes, then add deionized water and stirring and react 40 minutes, then filter, dry, pulverize, cross 120 mesh sieves, under nitrogen atmosphere, calcine after 2 hours at being heated to 945 DEG C, air cooling, to room temperature, is then pulverized, cross 120 mesh sieves, can auxiliary agent be obtained.
3. converter power supply case according to claim 1, described frequency conversion box surface is provided with corrosion-resistant finishes, it is characterized in that: the component of this corrosion-resistant finishes is by mass percentage: carbon: 0.03%, magnesium: 0.18%, silicon: 0.28%, vanadium: 0.78%, nickel: 12.55%, zinc: 4.75%, calcium: 0.05%, molybdenum: 4.86%, cobalt: 0.16%, tungsten: 0.26%, copper: 0.65%, aluminium: 2.45%, lanthanum: 1.48%, neodymium: 5.56%, thulium: 3.35%, europium: 0.24%, holmium: 4.45%, auxiliary agent: 5.38%, surplus is iron;
The component of described auxiliary agent is counted by weight: mica powder: 15 parts, tourmaline: 14 parts, kaolinite: 7 parts, deionized water: 55 parts, bortz powder: 9 parts, talcum powder: 12 parts, clay: 25 parts;
The preparation method of described auxiliary agent is: by mica powder, tourmaline and kaolinite co-grinding, cross 100 mesh sieves, obtain powders A, then bortz powder, clay and talcum powder co-grinding, cross 100 mesh sieves, obtain powder B, powders A and powder B are uniformly mixed with the ratio of 4:3, stir 15 minutes, then add deionized water and stirring and react 50 minutes, then filter, dry, pulverize, cross 120 mesh sieves, under nitrogen atmosphere, calcine after 3 hours at being heated to 948 DEG C, air cooling, to room temperature, is then pulverized, cross 120 mesh sieves, can auxiliary agent be obtained.
4. converter power supply case according to claim 1, described frequency conversion box surface is provided with corrosion-resistant finishes, it is characterized in that: the component of this corrosion-resistant finishes is by mass percentage: carbon: 0.02%, magnesium: 0.17%, silicon: 0.26%, vanadium: 0.77%, nickel: 12.53%, zinc: 4.74%, calcium: 0.03%, molybdenum: 4.85%, cobalt: 0.14%, tungsten: 0.24%, copper: 0.63%, aluminium: 2.43%, lanthanum: 1.47%, neodymium: 5.55%, thulium: 3.34%, europium: 0.23%, holmium: 4.44%, auxiliary agent: 5.37%, surplus is iron;
The component of described auxiliary agent is counted by weight: mica powder: 14 parts, tourmaline: 13 parts, kaolinite: 6 parts, deionized water: 52 parts, bortz powder: 8 parts, talcum powder: 10 parts, clay: 22 parts;
The preparation method of described auxiliary agent is: by mica powder, tourmaline and kaolinite co-grinding, cross 100 mesh sieves, obtain powders A, then bortz powder, clay and talcum powder co-grinding, cross 100 mesh sieves, obtain powder B, powders A and powder B are uniformly mixed with the ratio of 4:3, stir 12 minutes, then add deionized water and stirring and react 48 minutes, then filter, dry, pulverize, cross 120 mesh sieves, under nitrogen atmosphere, calcine after 2.8 hours at being heated to 947 DEG C, air cooling, to room temperature, is then pulverized, cross 120 mesh sieves, can auxiliary agent be obtained.
5. for a preparation method for converter power supply case corrosion-resistant finishes, it is characterized in that, concrete preparation method is as follows:
Step (1): carbon, magnesium, silicon, vanadium, nickel, zinc, calcium, molybdenum, cobalt, tungsten and ferro element are put into smelting furnace, then after furnace temperature being risen to 850-860 DEG C, insulation 1-3 hour, then temperature is risen to 1350-1360 DEG C, put into lanthanum, neodymium, thulium, europium, holmium element, stir, insulation 3-5 hour, then air cooling is to 540-550 DEG C, then air cooling is to room temperature;
Step (2): through the refining of LF stove, temperature is increased to 1450-1460 DEG C, and puts into copper, aluminium and auxiliary agent, stir, insulation 3-5h, omnidistance nitrogen blowing stirs, and then cools the temperature to as 770-780 DEG C; Then water-cooled is cooled to 420-430 DEG C with the speed of 5-10 DEG C/s, and then air cooling is to room temperature;
Step (3): the metal that step (2) obtains is put into ball mill, temperature is increased to 420-450 DEG C, insulation 1-3 hour, then start ball mill abrasive dust, then temperature is increased to 720-730 DEG C, insulation 1-2 hour, be reduced to 450-460 DEG C, pulverize, cross 120 mesh sieves, obtain powder particle B;
Step (4): the powder particle B in step (3) is sprayed into converter power supply case surface, thickness is 1-5mm, is then heated to 450-470 DEG C, insulation 1-2 hour, cools the temperature to 220-250 DEG C, and insulation 1-2 hour, air cooling is to room temperature.
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