CN108004544A - A kind of continuous acidolysis mixing arm with the wear-resistant nano coating of high performance corrosion-proof - Google Patents
A kind of continuous acidolysis mixing arm with the wear-resistant nano coating of high performance corrosion-proof Download PDFInfo
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- CN108004544A CN108004544A CN201711489441.2A CN201711489441A CN108004544A CN 108004544 A CN108004544 A CN 108004544A CN 201711489441 A CN201711489441 A CN 201711489441A CN 108004544 A CN108004544 A CN 108004544A
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- mixing arm
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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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
- C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
-
- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- C23C28/321—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer with at least one metal alloy layer
- C23C28/3215—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer with at least one metal alloy layer at least one MCrAlX layer
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
- C23C4/11—Oxides
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Coating By Spraying Or Casting (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention discloses a kind of continuous acidolysis mixing arm coating with the wear-resistant nano coating of high performance corrosion-proof, including agitating shaft and the agitating vane (100) being arranged on agitating shaft, agitating vane (100) surface is provided with the nano-composite coating (200) being made of nano material, nano-composite coating (200) is gradient coating, including metal back layer (201), intermediate layer (202) and nano ceramics face coat (203).The continuous acidolysis mixing arm coating with the wear-resistant nano coating of high performance corrosion-proof of the present invention, meet the requirement of existing titanium powder plant production agitating vane comprehensive performance, it has mechanical load and corrosion resistance concurrently, it ensure that the stability of its structure and the reliability of work, it is and simple in structure, it is easy for installation, it can steadily in the long term run, there is service life length, simple processing, safety, of low cost.
Description
Technical field
The present invention relates to a kind of titanium powder plant continuous acidolysis mixing arm coating, and especially relating to one kind has high property
The continuous acidolysis mixing arm of energy anticorrosive anti-wear nano coating.
Background technology
In metatitanic acid method production process of titanium pigment, titanium hydrolysis is an extremely important process, hydrolyzes the quality of quality
It is very big to the qualitative effects of final titanium dioxide.The hydrolysis of titanium liquid is that titanium dioxide component switchs to the inclined of inclined solid phase from the titanium liquid of liquid phase
Metatitanic acid, so as to be separated with the soluble impurity in mother liquor to extract pure titanium dioxide.Hydrolyzed in the automatic growing crystal species method of titanium liquid
During, crystal seed is generated by the strong dilution of titanium liquid, the situation of crystal seed quality has very big influence to hydrolysis quality.In life
During into crystal seed, mainly determined by situation that titanium liquid is mixed with water.This process is completed in a large scale equipment hydrolytic decomposition pot
, the mixing arm in hydrolytic decomposition pot plays an important role.
But the hydrolysis working environment of titanium liquid is severe, the hydrolyzate tool strong acid of titanium liquid and certain viscosity, are easily bonded in
On impeller, and the strong acid of the condition of high temperature has larger corrosivity on cadmia impeller to mixing arm, at high operating temperatures
Make mixing arm serious wear, average security service life is 3-5 days, causes production safety hidden danger.Therefore mixing arm
Use have the fixed cycle, it is necessary to often shut down replace spare part, this just leverages normal production run, reduces production
Efficiency, can not meet that existing production line is inexpensive, efficient production requirement.
The content of the invention
Technical problem solved by the invention is for titanium powder plant continuous acidolysis production blender leaf in the prior art
The defects of piece is perishable in use, easy to wear and service life is short, there is provided one kind is wear-resistant with high performance corrosion-proof
The continuous acidolysis mixing arm of nano coating.
To achieve the above object, the present invention uses following technical scheme：
The present invention provides a kind of continuous acidolysis mixing arm with the wear-resistant nano coating of high performance corrosion-proof, including
Agitating shaft and the agitating vane 100 being arranged on the agitating shaft, 100 surface of agitating vane is provided with by nano material structure
Into nano-composite coating 200, the nano-composite coating 200 is gradient coating, including metal back layer 201, intermediate layer
202 and nano ceramics face coat 203, and carry out Seal treatment.
Further, in the continuous acidolysis mixing arm with the wear-resistant nano coating of high performance corrosion-proof
On, the metal back layer 201 is the Ni sills comprising Ni, Cr, Al.
Further, in the continuous acidolysis mixing arm with the wear-resistant nano coating of high performance corrosion-proof
On, the intermediate layer 202 is the Ni sills comprising Ni, Cr, Al, W.
Further, in the continuous acidolysis mixing arm with the wear-resistant nano coating of high performance corrosion-proof
On, the nano ceramics face coat 203 is the chromic oxide-based ceramic composite of supersonic spray coating, based on chromium oxide, is contained
The ternary system composite powder of silica and titanium oxide, fusing point are 2300 DEG C.
Further, in the continuous acidolysis mixing arm with the wear-resistant nano coating of high performance corrosion-proof
On, the nano-composite coating thickness is 500-650 μm.
It is further preferred that in the continuous acidolysis blender leaf with the wear-resistant nano coating of high performance corrosion-proof
On piece, the metal back layer thickness are 100-150 μm, and the middle transition layer thickness is 300-350 μm, and nanometer pottery
Porcelain face coat thickness is 100-150 μm.
Further, in the continuous acidolysis mixing arm with the wear-resistant nano coating of high performance corrosion-proof
On, nano-composite coating 200 is prepared on 100 surface of agitating vane using supersonic speed nano thermal spraying equipment.It is further excellent
Selection of land, it is described using super on the continuous acidolysis mixing arm with the wear-resistant nano coating of high performance corrosion-proof
The speed of velocity of sound nano thermal spraying equipment spraying is 1100-1300m/s.
The present invention uses above-mentioned technical proposal, compared with prior art, has the following technical effect that：
Continuous acidolysis mixing arm provided by the invention with the wear-resistant nano coating of high performance corrosion-proof, by
Impeller surface coated with nano composite coating, meets the requirement of existing titanium powder plant production agitating vane comprehensive performance, this is received
Rice composite coating has mechanical load and corrosion resistance concurrently, ensure that the stability of its structure and the reliability of work, and structure
Simply, it is easy for installation, it can steadily in the long term run, there is service life length, simple processing, safety, of low cost；
After tested, apply the stirring service life after nano-composite coating to bring up to more than 45 days.
Brief description of the drawings
Fig. 1 is a kind of knot of the continuous acidolysis mixing arm with the wear-resistant nano coating of high performance corrosion-proof of the present invention
Structure schematic diagram；
Wherein, each reference numeral is：100- agitating vanes, 200- nano-composite coatings, 201- metal back layers, among 202-
Transition zone, 203- nano ceramics face coats.
Embodiment
The present invention is described in more detail below by specific embodiment, for a better understanding of the present invention,
But following embodiments are not intended to limit the scope of the invention.
As shown in Figure 1, an embodiment of the present invention provides a kind of continuous with the wear-resistant nano coating of high performance corrosion-proof
Acidolysis mixing arm, including agitating shaft and the agitating vane 100 being arranged on agitating shaft, 100 surface of agitating vane is provided with
The nano-composite coating 200 being made of nano material, nano-composite coating 200 are gradient coating, including metal back layer 201, in
Between transition zone 202 and nano ceramics face coat 203, and carry out Seal treatment.The nano-composite coating 200 have it is corrosion-resistant,
Abrasion resistance properties, after titanium powder plant production is with coated with nano composite coating 200 on agitating vane 100, can make titanium dioxide
Factory's production improves more than 2~3 times with corrosion-resistant, the corrosion-resistant service life on 100 surface of agitating vane, is significantly longer than the prior art
Middle titanium powder plant production agitating vane is corrosion-resistant, corrosion resistant service life so that the acidolysis of titanium liquid can continue for a long time
Work, reduces production cost, improves work efficiency.
Please continue to refer to as shown in Figure 1, in the nano-composite coating 200, metal back layer 201 uses the nanometer of resistance to acid attack
Coating material protects matrix comprehensively, prevents base material disbonding caused by acid gas corrosion；Intermediate layer 202 is used and received
Rice metallic composite while corrosion resistance is increased, improves anti abrasive effect as increase protective layer；Nano ceramics
Face coat 203 strengthens wear-resistant, corrosion resistant function using nano ceramic composite coating material.Specifically, metal back layer
201 be the Ni sills comprising Ni, Cr, Al, its thickness is 100-150 μm, is preferably 120-140 μm.Intermediate layer 202 is
Ni sills comprising Ni, Cr, Al, W, its thickness are 300-350 μm, are preferably 320-340 μm.Nano ceramics face coat
203 be the chromic oxide-based ceramic composite of supersonic spray coating, and based on chromium oxide, the ternary system containing silica and titanium oxide is answered
Powder is closed, fusing point is 2300 DEG C, its thickness is 100-150 μm, is preferably 110-130 μm.The gross thickness of nano-composite coating 200
It it is preferably 550-600 μm for 500-650 μm.
On the continuous acidolysis mixing arm with the wear-resistant nano coating of high performance corrosion-proof of the present embodiment, this is received
Rice composite coating 200 generally uses supersonic spray coating, is prepared using supersonic speed nano thermal spraying equipment on 100 surface of agitating vane
Nano-composite coating.Nano-composite coating is prepared, the high-bond with base material, the work of spraying are reached by the control of process conditions
Skill parameter include the ratio and total flow of oxygen and nitrogen, kerosene stock flow, for powder rate and carrier gas condition, spray distance,
The temperature control of spray angle and matrix, reaches that titanium powder plant production agitating vane is corrosion-resistant, corrosion resistant performance.It is preferred that
Ground, uses the speed that supersonic speed nano thermal spraying equipment sprays as 1100-1300m/s, more preferably 1200-1250m/s.
The present invention combines and climbs steel vanadium titanium powder plant dispenser blade and operation test blade wear situation, systematically analyzes and stirs
Mix the wearing character of blade 100, it is believed that such abrasion, which belongs to, denudes, i.e., the abrasion under the conditions of acid etching, therefore from acid is reduced to applying
Two aspects of corrosion and raising surface abrasion resistance of layer have carried out coating design, i.e., mainly take following technical measures into the hand-manipulating of needle
Improvement to property：Resistance to acid attack protection first is carried out to the surface of agitating vane, prevents base material disbonding caused by acid gas corrosion；Again
Using nano metal composite material as increase protective layer, preferably strengthened again on surface using nano ceramic composite coating material
Wear-resistant, corrosion resistant function.
The titanium powder plant manufactured by inventive technique scheme carries the dispenser agitating vane of nano-composite coating, on-line continuous
Production alreadys exceed former vaned two service life, achieves obvious using effect.By with titanium powder plant and climbing steel
The exchange of technology of research institute related personnel, nano-composite coating of the present invention is wear-resistant, corrosion resistant using effect is more obvious, and
65 agitating vanes with this nanometer of protective coating to be manufactured to be continued to verify using effect by titanium powder plant, result of the test shows,
Apply the stirring service life after the nano-composite coating to bring up to more than 45 days, using reaching optimal using effect.
The specific embodiment of the present invention is described in detail above, but it is intended only as example, it is of the invention and unlimited
It is formed on particular embodiments described above.To those skilled in the art, it is any to the equivalent modifications that carry out of the present invention and
Substitute also all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Modification, all should be contained within the scope of the invention.
Claims (8)
1. it is a kind of with the continuous acidolysis mixing arm with the wear-resistant nano coating nano coating of high performance corrosion-proof, including
Agitating shaft and the agitating vane (100) being arranged on the agitating shaft, it is characterised in that agitating vane (100) surface is set
It is equipped with the nano-composite coating (200) being made of nano material, the nano-composite coating (200) is gradient coating, including gold
Belong to bottom (201), intermediate layer (202) and nano ceramics face coat (203).
It is 2. according to claim 1 with the continuous acidolysis with the wear-resistant nano coating nano coating of high performance corrosion-proof
Mixing arm, it is characterised in that the metal back layer (201) is the Ni sills comprising Ni, Cr, Al.
It is 3. according to claim 1 with the continuous acidolysis with the wear-resistant nano coating nano coating of high performance corrosion-proof
Mixing arm, it is characterised in that the intermediate layer (202) is the Ni sills comprising Ni, Cr, Al, W.
It is 4. according to claim 1 with the continuous acidolysis with the wear-resistant nano coating nano coating of high performance corrosion-proof
Mixing arm, it is characterised in that the nano ceramics face coat (203) is the chromic oxide-based Ceramic Composite material of supersonic spray coating
Material, based on chromium oxide, the ternary system composite powder containing silica and titanium oxide, fusing point is 2300 DEG C.
It is 5. according to claim 1 with the continuous acidolysis with the wear-resistant nano coating nano coating of high performance corrosion-proof
Mixing arm, it is characterised in that the nano-composite coating thickness is 500-650 μm.
It is 6. according to claim 1 with the continuous acidolysis with the wear-resistant nano coating nano coating of high performance corrosion-proof
Mixing arm, it is characterised in that the metal back layer thickness is 100-150 μm, and the middle transition layer thickness is 300-350
μm, and the nano ceramics face coat thickness is 100-150 μm.
It is 7. according to claim 1 with the continuous acidolysis with the wear-resistant nano coating nano coating of high performance corrosion-proof
Mixing arm, it is characterised in that using supersonic speed nano thermal spraying equipment shown in the preparation of the agitating vane (100) surface
Nano-composite coating (200).
It is 8. according to claim 7 with the continuous acidolysis with the wear-resistant nano coating nano coating of high performance corrosion-proof
Mixing arm, it is characterised in that described to use the speed that supersonic speed nano thermal spraying equipment sprays as 1100-1300m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711489441.2A CN108004544B (en) | 2017-12-29 | 2017-12-29 | Continuous acidolysis stirrer blade with high-performance corrosion-resistant wear-resistant nano coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711489441.2A CN108004544B (en) | 2017-12-29 | 2017-12-29 | Continuous acidolysis stirrer blade with high-performance corrosion-resistant wear-resistant nano coating |
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| Publication Number | Publication Date |
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| CN108004544A true CN108004544A (en) | 2018-05-08 |
| CN108004544B CN108004544B (en) | 2023-09-22 |
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