CN105887003B - The method for reactor ooze titanium processing using titanium sponge grain - Google Patents
The method for reactor ooze titanium processing using titanium sponge grain Download PDFInfo
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- CN105887003B CN105887003B CN201610340819.1A CN201610340819A CN105887003B CN 105887003 B CN105887003 B CN 105887003B CN 201610340819 A CN201610340819 A CN 201610340819A CN 105887003 B CN105887003 B CN 105887003B
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- ooze
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 141
- 239000010936 titanium Substances 0.000 title claims abstract description 73
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 24
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052786 argon Inorganic materials 0.000 claims abstract description 15
- 238000005192 partition Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000003672 processing method Methods 0.000 abstract description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 20
- 229910052749 magnesium Inorganic materials 0.000 description 18
- 239000011777 magnesium Substances 0.000 description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 7
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000007872 degassing Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 229910001629 magnesium chloride Inorganic materials 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- 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
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
- C23C10/30—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes using a layer of powder or paste on the surface
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/081—Iron or steel solutions containing H2SO4
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A method of reactor is carried out using titanium sponge grain to ooze titanium processing, new reactor is subjected to acidleach, is rinsed and is dried with clear water；Titanium sponge grain is evenly arranged in reactor and titanium sponge particles are fixed on reactor barrel with barrel-shaped partition board, reactor wall is made to be come into full contact with titanium sponge grain；Reactor is sealed, reactor is carried out with vacuum pump to be evacuated to 50Pa~100Pa, then argon filling to 0.02Mpa；After reactor is heated 5h~8h at 300 DEG C~350 DEG C, reactor is vacuumized using vacuum pump, is continued in 500 DEG C~800 DEG C constant temperature 10h, then 900 DEG C~1050 DEG C constant temperature are for 24 hours；Stop heating, applying argon gas is to 0.04Mpa~0.06Mpa into reactor, and after cooling, then the titanium sponge grain in reactor takes out, and titanium is oozed in completion.Advantage is：Processing method is simple, easy to operate, and after ooze titanium processing to reactor, the titanium sponge of production oozes that titanium is uniform, it is horizontal to ensure that the product produced has reached zero level product, and titanium sponge grain is reused, and is greatly reduced and is oozed titanium cost.
Description
Technical field
It is the present invention relates to smelting field of nonferrous metal, more particularly to a kind of that reactor ooze at titanium using titanium sponge grain
The method of reason.
Background technology
Titanium is a kind of corrosion resistant metal, is widely used in Aeronautics and Astronautics, navigation, chemical industry, oil, weaving, medical instrument
And field of metallurgy.Titanium sponge production technique basic principle：Under protection of argon gas, make magnesium metal and titanium tetrachloride reaction, production sea
Continuous titanium and magnesium chloride make sponge using the difference of the vapour pressure of magnesium, magnesium chloride and titanium sponge by controlling temperature and vacuum degree
Titanium is detached with magnesium, magnesium chloride, obtains the higher titanium sponge of purity.The reactor used material of titanium sponge production be generally stainless steel or
Carbon steel, under 800 DEG C~1050 DEG C of hot conditions, the impurity such as iron in reactor may be reacted with magnesium metal, with alloy shape
Formula enters in titanium sponge, to reduce the purity of titanium sponge.Therefore, it is necessary to handle the surface of titanium sponge reactor, prevent
Only titanium sponge is polluted by reactor impurity.
Currently, use titanium valve to reactor ooze the method for titanium for：By reactor acid dipping, washing deacidification and dry water removal
Afterwards, it is uniformly brushed with titanium valve in reactor inner surface, after lower 900 DEG C~1050 DEG C heating of vacuum, interior table of the titanium in reactor
Face, which is formed, oozes titanium layer.The method there are the drawbacks of be to ooze that titanium layer is not uniform enough, and 150,000 yuan per ton or so of metallic titanium powder oozes titanium cost
It is high.
Invention content
The technical problem to be solved in the present invention is to provide a kind of sides to reactor ooze titanium processing using titanium sponge grain
Method, this method can form one layer in reactor surface and uniformly ooze titanium layer, and it is relatively low to ooze titanium cost.
Technical solution of the invention is：
A method of reactor is carried out using titanium sponge grain to ooze titanium processing, is as follows：
1.1, by without ooze titanium processing reactor hydrochloric acid or dilute sulfuric acid carries out acidleach for 24 hours~30h, clear water flushing 2 times
~3 times, drying；
1.2, titanium sponge grain is evenly arranged in reactor and titanium sponge particles is fixed on reaction with barrel-shaped partition board
On device barrel, reactor wall is made to be come into full contact with titanium sponge grain；
1.3, reactor is sealed, reactor is carried out with vacuum pump to be evacuated to 50Pa~100Pa, then argon filling is extremely
0.02Mpa；
1.4, power transmission heating response device, after reactor is heated 5h~8h at 300 DEG C~350 DEG C, using vacuum pump to anti-
It answers device to be evacuated to limiting value, continues in 500 DEG C~800 DEG C constant temperature 10h, then 900 DEG C~1050 DEG C constant temperature are for 24 hours；
1.5, stop power transmission, applying argon gas is to 0.04Mpa~0.06Mpa into reactor, after cooling, then in reactor
Titanium sponge grain takes out, and titanium is oozed in completion.
The titanium sponge particles thickness for being evenly arranged in reactor wall is 8mm~12mm.
The mass concentration of the hydrochloric acid is 7%~8%.
Acidleach temperature is 24 DEG C~30 DEG C.
The granularity of the titanium sponge grain is 3mm~5mm.
The beneficial effects of the invention are as follows：
(1), processing method is simple, easy to operate, and reactor wall surface uniform fold oozes titanium layer, is produced with this reactor
The iron content of titanium sponge be greatly lowered, be fifth class without oozing the product of reactor production of titanium processing, it is anti-using titanium is oozed
It is zero level product to answer the product that device produces, and iron content significantly declines, and presses 5t per stove product, grade price differential is based on 10,000/t, often
Stove can directly increase by 50,000 yuan of benefit.
(2), titanium sponge grain can be recycled and is used for multiple times, and the consumption of titanium sponge can almost be ignored, therefore ooze titanium and need expense
It is economic and environment-friendly with the only electricity charge, it is suitble to industrialized production.
Description of the drawings
Fig. 1 is that the reactor of the present invention oozes titanium processing schematic diagram.
In figure：1- reactors, 2- titanium granulosas, 3- partition boards.
Specific implementation mode
Embodiment 1
The method for reactor ooze titanium processing using titanium sponge grain, steps are as follows：
1.1, new reactor (material 1Cr18Ni9Ti) is subjected to acidleach for 24 hours with 24 DEG C~27 DEG C of 7wt% dilute hydrochloric acid, clearly
Water rinses 3 times, drying；
1.2, as shown in Figure 1, titanium sponge grain is evenly arranged in reactor 1 and with barrel-shaped partition board 3 by titanium sponge
Grain is fixed on the barrel of reactor 1, and reactor wall is made to be come into full contact with titanium sponge grain, the inner wall of reactor 1 and partition board 3 it
Between formed thickness be 8mm titanium granulosa 2；
1.3, reactor is sealed, with vacuum pump, to reactor, it is evacuated, then argon filling to 0.02Mpa；
1.4, power transmission heating response device is evacuated to reactor using vacuum pump by reactor after 300 DEG C of low temperature degasification 8h
Vacuum limit continues in 500 DEG C of constant temperature 10h, then 900 DEG C of constant temperature are for 24 hours；
1.5, stop power transmission, applying argon gas hangs out reactor to 0.04Mpa into reactor, with recirculated water to reactor
It cools down, then the titanium sponge grain in reactor takes out, and titanium is oozed in completion；
1.6, titanium sponge is produced using magnesium processes using oozing the reactor after titanium, will ooze in the reactor after titanium be packed into magnesium first
Ingot enters stove power transmission, after magnesium ingot is melted, is initially added into titanium tetrachloride, titanium tetrachloride is restored and generates titanium by magnesium ingot；
1.7, come out of the stove, finishing, it is broken after, analysis, iron content is 0.038% in titanium sponge, reaches zero level quality
It is required that.
The titanium sponge grain used may be used finishing screening and generate small grain size titanium sponge, and the outer titanium screening such as optimal selection generates
Small grain size titanium sponge (wait outer titanium refer to selected in finishing do not meet titanium sponge as defined in GB standard).
Embodiment 2
1.1, the titanium sponge grain that will be taken out in embodiment 1, working process is at the titanium sponge grain that granularity is 3mm~5mm；
1.2, new reactor (material 1Cr18Ni9Ti) is subjected to acidleach 30h, water with 27 DEG C~30 DEG C of 8wt% dilute hydrochloric acid
After washing, drying；
1.3, the titanium sponge grain that granularity is 3mm~5mm is evenly arranged in reactor 1 and will be extra large with barrel-shaped partition board 3
Continuous titanium particle is fixed on the barrel of reactor 1, and reactor wall is made to be come into full contact with titanium sponge grain, the inner wall of reactor 1 with
The titanium granulosa 2 that thickness is 12mm is formed between partition board 3；
1.4, reactor is sealed, with vacuum pump, to reactor, it carries out being evacuated to 50Pa, and then argon filling is extremely
0.02Mpa；
1.5, power transmission heating response device takes out reactor using vacuum pump true by reactor after 320 DEG C of low temperature degasification 7h
Sky continues to limiting value (the attainable minimum pressure of institute after being evacuated to reactor after vacuum pump and reactor installation) at 600 DEG C
Constant temperature 10h, then 1000 DEG C of constant temperature are for 24 hours；
1.6, stop power transmission, applying argon gas hangs out reactor to 0.06Mpa into reactor, with recirculated water to reactor
It cools down, then the titanium sponge grain in reactor takes out, and titanium is oozed in completion；
1.7, titanium sponge is produced using magnesium processes using oozing the reactor after titanium, will ooze in the reactor after titanium be packed into magnesium first
Ingot enters stove power transmission, after magnesium ingot is melted, is initially added into titanium tetrachloride, titanium tetrachloride is restored and generates titanium by magnesium ingot；
1.8, come out of the stove, finishing, it is broken after, analysis, iron content is 0.042% in titanium sponge, reaches zero level quality
It is required that after titanium grain is reused, quality is not influenced.
Embodiment 3
1.1, new reactor (material 1Cr18Ni9Ti) is subjected to acidleach with the dilute sulfuric acid of 24 DEG C~30 DEG C of 0.4mol/L
For 24 hours, after washing, drying；
1.2, the titanium sponge grain that granularity is 3mm~5mm is evenly arranged in reactor 1 and will be extra large with barrel-shaped partition board 3
Continuous titanium particle is fixed on the barrel of reactor 1, and reactor wall is made to be come into full contact with titanium sponge grain, the inner wall of reactor 1 with
The titanium granulosa 2 that thickness is 10mm is formed between partition board 3；
1.3, reactor is sealed, with vacuum pump, to reactor, it carries out being evacuated to 100Pa, and then argon filling is extremely
0.02Mpa；
Residual air in closed container (is taken off reactor in 340 DEG C of low temperature degasification by 1.4, power transmission heating response device
Except) after 6h, vacuum limit is evacuated to reactor using vacuum pump, is continued in 700 DEG C of constant temperature 10h, then 1050 DEG C of constant temperature are for 24 hours；
1.5, stop power transmission, applying argon gas hangs out reactor to 0.04Mpa into reactor, with recirculated water to reactor
It cools down, then the titanium sponge grain in reactor takes out, and titanium is oozed in completion；
1.6, titanium sponge is produced using magnesium processes using oozing the reactor after titanium, will ooze in the reactor after titanium be packed into magnesium first
Ingot enters stove power transmission, after magnesium ingot is melted, is initially added into titanium tetrachloride, titanium tetrachloride is restored and generates titanium by magnesium ingot；
1.7, after coming out of the stove, Divisional carries out finishing, broken, by the titanium ingot contacted with wall of reactor from bottom, middle part, on
Portion's material is separately sampled, analysis, and iron content is respectively 0.045%, 0.041%, 0.043% in titanium sponge.Reach zero
Grade quality requirement, it can be seen that it is relatively uniform that the method oozes each position of titanium.
Embodiment 4
1.1, new reactor (material 1Cr18Ni9Ti) is subjected to acidleach with the dilute sulfuric acid of 26 DEG C~30 DEG C of 0.4mol/L
28h, after washing, drying；
1.2, the titanium sponge grain that granularity is 3mm~5mm is evenly arranged in reactor 1 and will be extra large with barrel-shaped partition board 3
Continuous titanium particle is fixed on the barrel of reactor 1, and reactor wall is made to be come into full contact with titanium sponge grain, the inner wall of reactor 1 with
The titanium granulosa 2 that thickness is 10mm is formed between partition board 3；
1.3, reactor is sealed, with vacuum pump, to reactor, it carries out being evacuated to 80Pa, and then argon filling is extremely
0.02Mpa；
1.4, power transmission heating response device is evacuated to reactor using vacuum pump by reactor after 350 DEG C of low temperature degasification 5h
Vacuum limit, continues in 800 DEG C of constant temperature 10h, 1050 DEG C of constant temperature for 24 hours；
1.5, stop power transmission, applying argon gas hangs out reactor to 0.06Mpa into reactor, with recirculated water to reactor
It cools down, then the titanium sponge grain in reactor takes out, and titanium is oozed in completion；
1.6, titanium sponge is produced using magnesium processes using oozing the reactor after titanium, will ooze in the reactor after titanium be packed into magnesium first
Ingot enters stove power transmission, after magnesium ingot is melted, is initially added into titanium tetrachloride, titanium tetrachloride is restored and generates titanium by magnesium ingot；
1.7, after coming out of the stove, Divisional carries out finishing, broken, by the titanium ingot butt portion contacted with wall, middle part, top respectively into
Row sampling analysis is analyzed, and iron content 0.043%, 0.035%, 0.040% in titanium sponge reaches zero level quality and wants
It asks, it can be seen that it is relatively uniform that the method oozes each position of titanium.
Reactor is carried out by such method it can be seen from 1~embodiment of embodiment 4 after oozing titanium processing, the sponge of production
Titanium oozes that titanium is uniform, it is horizontal to ensure that the product produced has reached zero level product, and titanium sponge grain is reused, greatly reduce ooze titanium at
This.
It these are only specific embodiments of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of method to reactor ooze titanium processing using titanium sponge grain, it is characterized in that：
It is as follows：
1.1, by without ooze titanium processing reactor hydrochloric acid or dilute sulfuric acid carries out acidleach for 24 hours~30h, clear water flushing 2 times~3
It is secondary, drying；
1.2, titanium sponge grain is evenly arranged in reactor and titanium sponge particles is fixed on reactor cylinder with barrel-shaped partition board
On wall, reactor wall is made to be come into full contact with titanium sponge grain；
1.3, reactor is sealed, reactor is carried out with vacuum pump to be evacuated to 50Pa~100Pa, then argon filling is extremely
0.02Mpa；
1.4, power transmission heating response device, after reactor is heated 5h~8h at 300 DEG C~350 DEG C, using vacuum pump to reactor
It is evacuated to limiting value, is continued in 500 DEG C~800 DEG C constant temperature 10h, then 900 DEG C~1050 DEG C constant temperature are for 24 hours；
1.5, stop power transmission, into reactor, applying argon gas is to 0.04Mpa~0.06Mpa, after cooling, the then sponge in reactor
Titanium grain takes out, and titanium is oozed in completion.
2. the method according to claim 1 for reactor ooze titanium processing using titanium sponge grain, it is characterized in that：Uniformly
The titanium sponge particles thickness for being arranged in reactor wall is 8mm~12mm.
3. the method according to claim 1 for reactor ooze titanium processing using titanium sponge grain, it is characterized in that：It is described
The mass concentration of hydrochloric acid is 7%~8%.
4. the method according to claim 1 for reactor ooze titanium processing using titanium sponge grain, it is characterized in that：Acidleach
Temperature is 24 DEG C~30 DEG C.
5. the method according to claim 1 for reactor ooze titanium processing using titanium sponge grain, it is characterized in that：It is described
The granularity of titanium sponge grain is 3mm~5mm.
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| CN111378921B (en) * | 2020-05-18 | 2022-07-22 | 攀钢集团钛业有限责任公司 | Titanizing method and titanizing agent for inner wall of titanium sponge stainless steel reactor |
| CN116288139A (en) * | 2023-02-09 | 2023-06-23 | 云南国钛金属股份有限公司 | Novel reactor titanizing method |
| CN116640935A (en) * | 2023-05-19 | 2023-08-25 | 云南国钛金属股份有限公司 | Process for reducing titanium sponge and oxygen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102953029A (en) * | 2011-08-26 | 2013-03-06 | 攀钢集团有限公司 | Surface treatment method for titanium sponge reactor |
| CN203429240U (en) * | 2013-08-25 | 2014-02-12 | 罗建红 | Titanizing device for titanium sponge preparation reactor |
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| JPS62127460A (en) * | 1985-11-26 | 1987-06-09 | Hitachi Metals Ltd | Surface treatment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953029A (en) * | 2011-08-26 | 2013-03-06 | 攀钢集团有限公司 | Surface treatment method for titanium sponge reactor |
| CN203429240U (en) * | 2013-08-25 | 2014-02-12 | 罗建红 | Titanizing device for titanium sponge preparation reactor |
Non-Patent Citations (1)
| Title |
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| 海绵钛还原蒸馏反应器外表面金属基防护涂层研究;张忠礼等;《钛工业进展》;20120430;第29卷(第2期);第35-39页 * |
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