CN114473171A - Preparation method of high-temperature-resistant and antioxidant layered composite material - Google Patents
Preparation method of high-temperature-resistant and antioxidant layered composite material Download PDFInfo
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- CN114473171A CN114473171A CN202111431122.2A CN202111431122A CN114473171A CN 114473171 A CN114473171 A CN 114473171A CN 202111431122 A CN202111431122 A CN 202111431122A CN 114473171 A CN114473171 A CN 114473171A
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- 239000002131 composite material Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000003963 antioxidant agent Substances 0.000 title abstract description 4
- 230000003078 antioxidant effect Effects 0.000 title abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000002360 explosive Substances 0.000 claims abstract description 30
- 238000002955 isolation Methods 0.000 claims abstract description 18
- 229910052742 iron Inorganic materials 0.000 claims abstract description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 10
- 239000010936 titanium Substances 0.000 claims abstract description 8
- 238000005498 polishing Methods 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims abstract description 6
- 238000005488 sandblasting Methods 0.000 claims abstract description 6
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 6
- 230000007797 corrosion Effects 0.000 claims abstract description 4
- 238000005260 corrosion Methods 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 18
- 230000003647 oxidation Effects 0.000 claims description 14
- 238000007254 oxidation reaction Methods 0.000 claims description 14
- 239000003085 diluting agent Substances 0.000 claims description 11
- 239000011651 chromium Substances 0.000 claims description 9
- 230000008595 infiltration Effects 0.000 claims description 9
- 238000001764 infiltration Methods 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 238000005474 detonation Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000002932 luster Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 11
- 229910052759 nickel Inorganic materials 0.000 abstract description 7
- 238000010025 steaming Methods 0.000 abstract description 7
- 238000003723 Smelting Methods 0.000 abstract description 5
- 238000004821 distillation Methods 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/06—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of high energy impulses, e.g. magnetic energy
- B23K20/08—Explosive welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a preparation method of a high-temperature-resistant and antioxidant layered composite material, which comprises the following steps: polishing the surface of the heat-resistant steel plate to remove dirt, wherein the polishing surface faces upwards and is horizontally placed on the foundation; placing a plurality of supporting components above the polished surface of the heat-resistant steel plate, and placing the isolation plate on the supporting components; laying explosives on the partition board, and detonating to obtain a layered composite board; carrying out sand blasting treatment on the layered composite plate to remove surface corrosion; the layered composite material prepared by the patent can be used as a sponge titanium still steaming furnace tank body, the layered composite material of the patent adopts heat-resistant steel as the outer wall material of the reduction distillation reactor, plays a role in strength support, selects pure iron or a common steel plate as the inner wall material of the reduction distillation reactor, prolongs the service life of the reactor, reduces the content of impurities such as Cr, Ni and the like in a sea smelting furnace, and improves the purity of the product.
Description
Technical Field
The invention relates to the technical field of metal smelting, in particular to a preparation method of a high-temperature-resistant and antioxidant layered composite material.
Background
At present, the tank body materials used by domestic enterprises are mainly ordinary container steel Q245R or single stainless steel (1 Cr18Ni9 Ti) as the material of a reactor, and the yield strength of the ordinary container steel at 500 ℃ is less than 120 Mpa. At the temperature of 800-. When stainless steel (1 Cr18Ni9 Ti) is used as the material of the reactor, the 1Cr18Ni9Ti contains a large amount of elements such as Cr and Ni, and thus a large amount of elements such as Cr and Ni are mixed into the melting furnace in the inner wall of the reactor which is in direct contact with the raw material and the product at a high temperature, and the quality of the product is affected.
Disclosure of Invention
In order to solve the existing problems, the invention provides a preparation method of a high-temperature-resistant and oxidation-resistant layered composite material, the layered composite material prepared by the method can be used as a titanium sponge steaming furnace tank body, the layered composite material of the method adopts heat-resistant steel as an outer wall material of a reduction distillation reactor, plays a role of strength support, exerts the performance characteristic of high strength at high temperature, increases the strength of the tank body, prolongs the service life of the tank body, and selects pure iron or common steel plates as an inner wall material of the reduction distillation reactor.
The technical scheme adopted by the invention is as follows: a preparation method of a high-temperature-resistant and oxidation-resistant layered composite material comprises the following steps:
polishing the surface of a heat-resistant steel plate to remove dirt, exposing metallic luster, and horizontally placing the polished surface on a foundation;
placing a plurality of supporting plates above the polished surface of the heat-resistant steel plate, and placing the isolation plates on the supporting plates;
thirdly, laying explosives on the partition board, and detonating to obtain a layered composite board;
fourthly, carrying out sand blasting treatment on one surface of the laminated composite board provided with the isolation board to remove surface corrosion;
and fifthly, carrying out metal infiltration treatment on one surface of the laminated composite board provided with the isolation board to obtain a finished product.
Further, the thickness of the heat-resistant steel plate in the first step is 28-55 mm.
Further, the thickness of the isolating plate in the second step is 3-5 mm.
Furthermore, the isolation plate in the second step is any one of a steel plate of the container and pure iron.
Furthermore, in the second step, a plurality of supporting plates are arranged above the heat-resistant steel plate in a rectangular array.
Furthermore, the height of the supporting plate in the vertical direction is 8-12 mm, and the distance between the rectangular arrays is 200-500 mm.
Furthermore, the support plate is a V-shaped plate, and the V-shaped plate is formed by folding an annealed pure copper plate with the thickness of 0.1-0.3 mm.
Further, the explosive in the third step is a mixture of an emulsified ammonium nitrate explosive and a diluent, wherein the diluent accounts for 33-70% of the total mixture in mass; the diluent is any one of sand and salt; the detonation velocity of the explosive is 1800-2000m/s, the explosive laying thickness of the explosive is 35-50 mm, a detonator is inserted into the explosive laying, and the layered composite board is obtained after the detonator is detonated.
Further, the metal infiltration treatment method in the seventh step comprises the following steps: after the metal is coated on the surface of the isolation plate, the heating temperature is 900-1050 ℃, and the heat preservation time is 3-8 hours.
Further, in the seventh step, the metal of the metal infiltration is any one of aluminum, chromium, zinc, cobalt and titanium.
The invention has the following beneficial effects that: the partition board/heat-resistant steel plate layered composite material can be used for a metal smelting steaming furnace, adopts the partition board-pure iron DT4E or a container steel plate as the inner wall of a tank body, can completely isolate the pollution of elements such as Cr, Ni and the like, improves the smelting metal purity, and can greatly prolong the service life of the steaming furnace.
Drawings
FIG. 1 is a schematic diagram of the structure of the inventive manufacturing process;
the figure shows the mark, 1, detonator, 2, explosive, 3, isolation plate, 4, support plate, 5, heat-resistant steel plate, 6 and foundation.
Detailed Description
The present invention will be described in further detail with reference to the drawings and specific examples, but the present invention is not limited thereto.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "lateral", "longitudinal", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
A preparation method of a high-temperature-resistant and oxidation-resistant layered composite material comprises the following steps:
polishing the surface of a heat-resistant steel plate 5 to remove dirt, exposing metallic luster, and horizontally placing the polished surface on a foundation 6; the thickness of the heat-resistant steel plate 5 is 28-55 mm;
secondly, placing a plurality of supporting plates 4 above the polished surface of the heat-resistant steel plate 5, and placing the isolation plate 3 on the supporting plates 4; the thickness of the isolation plate 3 is 3-5 mm; the division board 3 is any one in container steel sheet, the pure iron, and a plurality of backup pad 4 uses the rectangle array to arrange in the top of heat-resistant steel sheet 5, and backup pad 4 is 8~12mm in the ascending height of vertical side, and the interval of rectangle array is 200~500mm, and backup pad 4 is the V-arrangement board, and this V-arrangement board is folded by the annealing state pure copper board that thickness is 0.1~0.3 mm.
Thirdly, laying the explosive 2 on the isolation plate 3, and detonating to obtain a layered composite plate; the explosive 2 is a mixture of an emulsified ammonium nitrate explosive and a diluent, wherein the diluent accounts for 33-70% of the total mixture; the diluent is any one of sand and salt; the reason for adding the diluent is: as the pure explosives bought in the market generally have the detonation velocity of 5000-6000 m/s and are not suitable for explosive welding production and use, the proportion of the diluent and the emulsified ammonium nitrate explosive is researched, the detonation velocity of the explosive 2 can be reduced to 1800-2000m/s, the explosive laying thickness of the explosive 2 is 35-50 mm, the detonator 1 is inserted into the explosive 2 laying layer, and the layered composite board is obtained after the detonator 1 is detonated.
Fourthly, carrying out sand blasting treatment on the side, provided with the partition plate 3, of the laminated composite plate to remove surface corrosion;
and fifthly, carrying out metal infiltration treatment on one surface of the laminated composite board provided with the isolation board 3 to obtain a finished product. The metal of the metal infiltration is any one of aluminum, chromium, zinc, cobalt and titanium. The metal infiltration treatment method comprises the following steps: after the metal is coated on the surface of the isolation plate 3, the heating temperature is 900-1050 ℃, and the heat preservation time is 3-8 hours.
The invention abandons the idea of taking a medium-thickness container steel plate as a main strength supporting material and heat-resistant steel as a strength supporting material, develops the characteristic of high strength at high temperature, increases the thickness of the heat-resistant steel and the strength of a tank body, and thus produces the high-temperature-resistant and oxidation-resistant sponge titanium still steaming furnace tank body. This patent not only can improve the life of reactor greatly, reduces titanium sponge manufacturing cost, reduces the content of impurity such as Cr, Ni in the titanium sponge, promotes the titanium sponge quality. The heat-resistant steel plate disclosed by the patent has the advantages that the heat resistance is over 800 ℃, the welding performance is excellent, and the steel plate is easy to obtain; the high temperature properties of the common heat-resistant steel plates are shown in Table 1
TABLE 1
The invention aims to develop a layered composite material as a material of a steaming furnace tank body, which can greatly prolong the service life of the steaming furnace tank body, greatly reduce the content of impurity elements such as Cr, Ni and the like and improve the smelting quality. Thereby improving the purity of titanium products and other single metals in China and having important significance for the aerospace field.
Example one
1. Preparing a heat-resistant stainless steel 321 (H) -heat-resistant steel plate 5 with the size of 35 x 3000 x 6000mm, polishing the surface to remove dirt, exposing metallic luster, and horizontally placing the polished surface on the fine sand foundation 6;
2. using a copper sheet with 0.3 x 14 x 30mm, folding the copper sheet into a V-shaped plate-supporting plate 4 with the height of 14mm and the angle of 90 degrees, placing the V-shaped plate-supporting plate on the surface of the heat-resistant steel 5, and arranging the heat-resistant steel with the row spacing of 400mm and the spacing of 500 mm;
3. a steel plate with the size of 6 x 3050 x 6100mm, Q245R, was used as the separator 3, and the polished steel plate was placed on the V-shaped copper sheet with the polished surface facing downward;
4. uniformly paving the prepared explosives 2 on the iron plate, wherein the explosion speed is 1800 plus 2000m/s, and the thickness is 50 mm;
5. filling high explosive at the center of the steel plate, inserting a detonator 1, and detonating to obtain a steel plate Q245R + heat-resistant stainless steel 321 layered composite material;
6. after the surface of the steel plate is subjected to sand blasting treatment, aluminum powder is smeared on the surface of the steel plate, heating is carried out at the temperature of 900-. Finally, the layered composite material which can prolong the service life and isolate various elements such as impurities is prepared.
Example two
1. Preparing a 30 x 2000 x 6000mm heat-resistant stainless steel 347 (H) -heat-resistant steel plate 5, polishing the surface to remove dirt, exposing metallic luster, and horizontally placing the polished surface on the fine sand foundation 6;
2. using 0.2X 12X 30mm copper sheets, folding into V-shaped angle-supporting plates 4 with the height of 12mm and the angle of 90 degrees, placing the V-shaped angle-supporting plates on the surface of the heat-resistant steel, and arranging at the row pitch of 500mm and the spacing of 500 mm;
3. a pure iron plate DT4E & lt- & gt with the size of 5 x 2050 x 6100mm is taken as the isolation plate 3, and the polished pure iron plate is placed on the V-shaped copper sheet with the polished surface facing downwards;
4. uniformly paving the prepared explosives 2 on the iron plate, wherein the explosion speed is 1800 plus 2000m/s, and the thickness is 40 mm;
5. filling pure explosive at the center of the iron plate, and inserting a detonator (1); obtaining pure iron DT4E + heat-resistant stainless steel 347 laminated composite material after detonation;
6. after sand blasting is carried out on the surface of the pure iron, titanium powder is smeared on the surface of the pure iron DT4E, heating is carried out at 900-1050 ℃, heat preservation is carried out for 3-8 hours, and the titanium powder particles and the iron finish the infiltration process in the constant temperature process. Finally, the layered material which can prolong the service life and isolate elements such as Fe, Cr, Ni and the like is prepared.
The device of the present invention may have other forms than the above-described embodiments, and it should be understood that any simple modification, equivalent change and modification made to the above-described embodiments according to the technical spirit of the present invention fall within the scope of the present invention.
Claims (10)
1. A preparation method of a high-temperature-resistant and oxidation-resistant layered composite material is characterized by comprising the following steps: the method comprises the following steps:
polishing the surface of a heat-resistant steel plate to remove dirt, exposing metallic luster, and horizontally placing the polished surface on a foundation;
placing a plurality of supporting plates above the polished surface of the heat-resistant steel plate, and placing the isolation plates on the supporting plates;
thirdly, laying explosives on the partition board, and detonating to obtain a layered composite board;
fourthly, carrying out sand blasting treatment on one surface of the laminated composite board provided with the isolation board to remove surface corrosion;
and fifthly, carrying out metal infiltration treatment on one surface of the laminated composite board provided with the isolation board to obtain a finished product.
2. The preparation method of the high-temperature-resistant and oxidation-resistant layered composite material according to claim 1, characterized in that: the thickness of the heat-resistant steel plate in the first step is 28-55 mm.
3. The preparation method of the high-temperature-resistant and oxidation-resistant layered composite material according to claim 1, characterized in that: and the thickness of the isolating plate in the second step is 3-5 mm.
4. The preparation method of the high-temperature-resistant and oxidation-resistant layered composite material according to claim 1, characterized in that: the isolation plate in the second step is any one of a steel plate of the container and pure iron.
5. The preparation method of the high-temperature-resistant and oxidation-resistant layered composite material according to claim 1, characterized in that: and in the second step, a plurality of supporting plates are arranged above the heat-resistant steel plate in a rectangular array.
6. The preparation method of the high-temperature-resistant and oxidation-resistant layered composite material according to claim 5, characterized in that: the height of the supporting plate in the vertical direction is 8-12 mm, and the distance between the rectangular arrays is 200-500 mm.
7. The preparation method of the high-temperature-resistant and oxidation-resistant layered composite material according to claim 6, characterized in that: the supporting plate is a V-shaped plate, and the V-shaped plate is formed by folding an annealed pure copper plate with the thickness of 0.1-0.3 mm.
8. The preparation method of the high-temperature-resistant and oxidation-resistant layered composite material according to claim 1, characterized in that: the explosive in the third step is a mixture of an emulsified ammonium nitrate explosive and a diluent, wherein the diluent accounts for 33-70% of the total mixture; the diluent is any one of sand and salt; the detonation velocity of the explosive is 1800-2000m/s, the explosive laying thickness of the explosive is 35-50 mm, a detonator is inserted into the explosive laying, and the layered composite board is obtained after the detonator is detonated.
9. The preparation method of the high-temperature-resistant and oxidation-resistant layered composite material according to claim 1, characterized in that: the metal infiltration treatment method in the seventh step comprises the following steps: after the metal is coated on the surface of the isolation plate, the heating temperature is 900-1050 ℃, and the heat preservation time is 3-8 hours.
10. The preparation method of the high-temperature-resistant and oxidation-resistant layered composite material according to claim 1, characterized in that: in the seventh step, the metal to be infiltrated is any one of aluminum, chromium, zinc, cobalt and titanium.
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