CN107011799A - A kind of C-4-fraction waste gas absorption tower corrosion-resistant finishes - Google Patents
A kind of C-4-fraction waste gas absorption tower corrosion-resistant finishes Download PDFInfo
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- CN107011799A CN107011799A CN201710317778.9A CN201710317778A CN107011799A CN 107011799 A CN107011799 A CN 107011799A CN 201710317778 A CN201710317778 A CN 201710317778A CN 107011799 A CN107011799 A CN 107011799A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/08—Flame spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/102—Pretreatment of metallic substrates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2506/00—Halogenated polymers
- B05D2506/10—Fluorinated polymers
- B05D2506/15—Polytetrafluoroethylene [PTFE]
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0862—Nickel
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2248—Oxides; Hydroxides of metals of copper
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a kind of C-4-fraction waste gas absorption tower corrosion-resistant finishes, and in particular to chemical separating and synthesis technical field, its composition include：3~50 parts of polytetrafluoroethylene (PTFE), 3~60 parts of carbon fiber, 2~10 parts of silane γ methacryloxypropyl trimethoxy silanes, 2~40 parts of cupric oxide, 5~50 parts of pitch, 4~60 parts of nickel-base alloy, 2~30 parts of concentrated hydrochloric acid, 5~21 parts of silane, 4~61 parts of propylene asphaltic resin, 10~87 parts of aqueous slkali, 3~30 parts of absolute ethyl alcohol, 2~10 parts of deionized water.Prepares coating of the present invention can increase obdurability, machinability and the coating material of metal material high temperature resistant, it is corrosion-resistant, wear-resisting the features such as combine, play two class materials comprehensive advantage；Available for the wide in variety of prepares coating material, layer function is applied wide；Material consumption is few, and added value is high, and economic benefit is protruded.
Description
Technical field：
The present invention relates to chemical separating and synthesis technical field, and in particular to a kind of C-4-fraction waste gas absorption tower is corrosion-resistant
Coating.
Background technology：
In petrochemical industry, there are unemployed various VOCs after technique, can be further
It is divided into：Alkanes, aromatic hydrocarbons, esters, aldehydes and other etc..It is most common have benzene,toluene,xylene, styrene, trichloro ethylene,
Chloroform, trichloroethanes, diisocyanate (TDI), two isocyanide toluene esters etc., these gases can cause very big dirt to environment
Dye, often uses tail gas absorption processing unit in handling process ending.
Energy recovery and environmental protection equipment are to be widely used in electric power, chemical industry, electrotechnical, electronic, metallurgy, the multiple fields such as brewage
Equipment.The application of tail gas absorber is not only the contribution that environmental protection is made that brilliance, moreover, having saved substantial amounts of energy for enterprise
Source, creates higher value.
Waste gas recovering device can be applied to the technical conditions phases not to the utmost such as various industries, the gaseous species, concentration, the temperature that absorb
Together, waste gas absorption purification technique can have：
1st, adsorb
Organic exhaust gas removes solid particulate matter through filter, and from top to bottom into adsorption tanks, organic matter is caught by activated carbon
Collect, adsorb and concentrate, the air of purification is discharged into air from tank body lower part through main air blower.
2nd, Water warfare is coagulated
To ensure the cleaning of condensed water, it is to avoid the solidifying water of organic solvent is discharged into water body, in the water after being separated in separator
Compressed air is passed through, organic solution agent in water is fully freed.The air containing organic matter evicted from by compressed air is turned back waste gas system
System, is adsorbed, the condensed water after purification is discharged into sewer again.
3rd, measure is continuously adsorbed
In quantity-produced factory, adsorption system also needs corresponding continuous work, can be in waste gas cleaning system design, choosing
With double tanks series, alternately continuously used to adsorb, to regenerate.
The content of the invention：
The technical problems to be solved by the invention are to provide a kind of simple, economical and practical, convenient use C-4-fraction
Waste gas absorption tower corrosion-resistant finishes.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of C-4-fraction waste gas absorption tower corrosion-resistant finishes, includes the raw material of following number：
3~50 parts of polytetrafluoroethylene (PTFE), 3~60 parts of carbon fiber, silane γ-methacryloxypropyl trimethoxy silane
2~10 parts, 2~40 parts of cupric oxide, 5~50 parts of pitch, 4~60 parts of nickel-base alloy, 2~30 parts of concentrated hydrochloric acid, 5~21 parts of silane,
4~61 parts of propylene asphaltic resin, 10~87 parts of aqueous slkali, 3~30 parts of absolute ethyl alcohol, 2~10 parts of deionized water.
It is preferred that, its preparation method is as follows：
(1) prepared by modified Teflon and carbon fiber colloidal sol：Using polytetrafluoroethylene (PTFE) and carbon fiber as inorganic precursor with
Organosilan γ-methacryloxypropyl trimethoxy silane is organic modifiers, by 1:7~1:15 mixed in molar ratio with
In absolute ethyl alcohol, and by 1 under concentrated hydrochloric acid catalytic condition:0.5~1:1.5 are added dropwise deionized water, 300 at 30~50 DEG C
~800rpm/min stirs 1-5h, and rear preservative film sealing Chen Hua obtains colloidal sol I in 1~5 day；
(2) prepared by organically-modified cupric oxide and nickel-base alloy colloidal sol：Using cupric oxide and nickel-base alloy as inorganic precursor with
Organosilan γ-methacryloxypropyl trimethoxy silane is organic modifiers, by by 1:3~1:17.5 mol ratio is mixed
In conjunction and absolute ethyl alcohol, and by 1 under concentrated hydrochloric acid catalytic condition:0.5~1:1.5 are added dropwise deionized water, at 20~70 DEG C
Lower 300~800rpm/min stirs 1~5h, and rear preservative film sealing Chen Hua obtains colloidal sol II in 1~3 day；
(3) silane, propylene asphaltic resin are added into 800~2000rpm/min in pitch to stir, by 1:2.5~1:7.5 by
Be added dropwise to alkali lye, continue to stir 15~30min, after by mixture as 85 DEG C of 20~40min of stirred in water bath, you can material
Ⅲ；
(4) colloidal sol I, colloidal sol II are added into material III, is stirred into molten colloidal mixture；By electric furnace according to 10 DEG C/
Min, speed be warming up to design temperature, colloidal sol shape blend sample is put into electric furnace, calcining 5~20min take out, according to same
Sample step, the prepared sample of each temperature spot calcining between 700~1000 DEG C, worth is C-4-fraction waste gas absorption
Tower corrosion-resistant finishes.
When wherein being sprayed using coating, using high speed flame spraying method, 140~2000mm of spray distance, gas pressure
0.35~0.59Mpa of power, 0.35~0.65Mpa of blasting pressure, send 100~150g/min of component, 0.3~2mm of coating layer thickness.
Before wherein being sprayed using coating, matrix need to be pre-processed, processing method：Utilize hydrochloric acid solution, aqueous slkali
(NaOH solution, KOH solution) alternately removes sprinkling matrix surface, and moistening 10~30min of immersion removes the oxide of matrix surface
And precipitation accumulation thing, soda acid remove after respectively with 30~80 DEG C of water-baths, 3~10min of flushing, soda acid processing time is too short, greasy dirt and
Sediment not easy-clear, overlong time, are easily caused corrosion.
The beneficial effects of the invention are as follows：
1st, high temperature resistant that can organically the obdurability of metal material, machinability and coating material, corrosion-resistant, wear-resisting etc.
Feature combines, and plays the comprehensive advantage of two class materials；
2nd, it can be used in the wide in variety of prepares coating material, apply layer function wide；
3rd, this coating can on a variety of basic materials coating；
4th, material consumption is few, and added value is high, and economic benefit is protruded；
5th, easily, coating layer thickness can control the comparison of ingredients of adjustment coating；
6th, the machinability of coating is good, and shaping is easy.
Embodiment：
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1：
A kind of C-4-fraction waste gas absorption tower corrosion-resistant finishes, includes the raw material of following number：
30 parts of polytetrafluoroethylene (PTFE), 30 parts of carbon fiber, silane γ -7 parts of methacryloxypropyl trimethoxy silane, oxygen
Change 20 parts of copper, 50 parts of pitch, 40 parts of nickel-base alloy, 20 parts of concentrated hydrochloric acid, 11 parts of silane, 41 parts of propylene asphaltic resin, aqueous slkali 17
Part, 30 parts of absolute ethyl alcohol, 10 parts of deionized water.
It is preferred that, its preparation method is as follows：
(1) prepared by modified Teflon and carbon fiber colloidal sol：Using polytetrafluoroethylene (PTFE) and carbon fiber as inorganic precursor with
Organosilan γ-methacryloxypropyl trimethoxy silane is organic modifiers, by 1:7 mixed in molar ratio and anhydrous second
In alcohol, and by 1 under concentrated hydrochloric acid catalytic condition:0.6 is added dropwise deionized water, and 500rpm/min stirs 1h at 35 DEG C, after
Preservative film sealing Chen Hua obtains colloidal sol I in 1 day；
(2) prepared by organically-modified cupric oxide and nickel-base alloy colloidal sol：Using cupric oxide and nickel-base alloy as inorganic precursor with
Organosilan γ-methacryloxypropyl trimethoxy silane is organic modifiers, by by 1:3 mixed in molar ratio with it is anhydrous
In ethanol, and by 1 under concentrated hydrochloric acid catalytic condition:0.5 is added dropwise deionized water, and 600rpm/min is stirred at 40 DEG C
1.5h, rear preservative film sealing Chen Hua obtains colloidal sol II in 1 day；
(3) silane, propylene asphaltic resin are added into 800-2000rpm/min in pitch to stir, by 1:2.5 are added dropwise alkali
Liquid, continue stir 15min, after by mixture as 85 DEG C of stirred in water bath 20min, you can material III；
(4) colloidal sol I, colloidal sol II are added into material III, is stirred into molten colloidal mixture；By electric furnace according to 10 DEG C/
Min, speed be warming up to design temperature, colloidal sol shape blend sample is put into electric furnace, calcining 10min take out, according to same
Step, the prepared sample of each temperature spot calcining between 700~1000 DEG C, worth is C-4-fraction waste gas absorption tower
Corrosion-resistant finishes.
When wherein being sprayed using coating, using high speed flame spraying method, spray distance 150mm, gaseous-pressure
0.35Mpa, blasting pressure 0.35Mpa, send component 100g/min, coating layer thickness 0.4mm.
Before wherein being sprayed using coating, matrix need to be pre-processed, processing method：Utilize hydrochloric acid solution, aqueous slkali
(NaOH solution, KOH solution) alternately matrix surface is sprayed in removing, and moistening immersion 10min removes the oxide of matrix surface and sunk
The tired thing of deposit, soda acid rinses 5min with 40 DEG C of water-baths respectively after removing, and soda acid processing time is too short, and greasy dirt and sediment are difficult clearly
Remove, overlong time, be easily caused corrosion.
Embodiment 2：
A kind of C-4-fraction waste gas absorption tower corrosion-resistant finishes, includes the raw material of following number：
35 parts of polytetrafluoroethylene (PTFE), 36 parts of carbon fiber, silane γ -6 parts of methacryloxypropyl trimethoxy silane, oxygen
Change 24 parts of copper, 15 parts of pitch, 46 parts of nickel-base alloy, 21 parts of concentrated hydrochloric acid, 19 parts of silane, 24 parts of propylene asphaltic resin, aqueous slkali 32
Part, 23 parts of absolute ethyl alcohol, 10 parts of deionized water.
It is preferred that, its preparation method is as follows：
(1) prepared by modified Teflon and carbon fiber colloidal sol：Using polytetrafluoroethylene (PTFE) and carbon fiber as inorganic precursor with
Organosilan γ-methacryloxypropyl trimethoxy silane is organic modifiers, by 1:8.5 mixed in molar ratio with it is anhydrous
In ethanol, and by 1 under concentrated hydrochloric acid catalytic condition:0.7 is added dropwise deionized water, and 300rpm/min stirs 2h at 50 DEG C,
Preservative film sealing Chen Hua obtains colloidal sol I in 2 days afterwards；
(2) prepared by organically-modified cupric oxide and nickel-base alloy colloidal sol：Using cupric oxide and nickel-base alloy as inorganic precursor with
Organosilan γ-methacryloxypropyl trimethoxy silane is organic modifiers, by by 1:5 mixed in molar ratio with it is anhydrous
In ethanol, and by 1 under concentrated hydrochloric acid catalytic condition:0.5 is added dropwise deionized water, and 800rpm/min stirs 5h at 50 DEG C,
Preservative film sealing Chen Hua obtains colloidal sol II in 3 days afterwards；
(3) silane, propylene asphaltic resin are added into 2000rpm/min in pitch to stir, by 1:2.5 are added dropwise alkali lye,
Continue stir 15min, after by mixture as 85 DEG C of stirred in water bath 30min, you can material III；
(4) colloidal sol I, colloidal sol II are added into material III, is stirred into molten colloidal mixture；By electric furnace according to 10 DEG C/
Min, speed be warming up to design temperature, colloidal sol shape blend sample is put into electric furnace, calcining 15min take out, according to same
Step, the prepared sample of each temperature spot calcining between 700~1000 DEG C, worth is C-4-fraction waste gas absorption tower
Corrosion-resistant finishes.
Wherein sprayed constantly using coating, using high speed flame spraying method, spray distance 2000mm, gaseous-pressure
0.59Mpa, blasting pressure 0.65Mpa, send component 150g/min, coating layer thickness 0.9mm.
Before wherein being sprayed using coating, matrix need to be pre-processed, processing method：Utilize hydrochloric acid solution, aqueous slkali
(NaOH solution, KOH solution) alternately matrix surface is sprayed in removing, and moistening immersion 30min removes the oxide of matrix surface and sunk
The tired thing of deposit, soda acid rinses 10min with 45 DEG C of water-baths respectively after removing, and soda acid processing time is too short, and greasy dirt and sediment are difficult
Remove, overlong time is easily caused corrosion.
Experiment investigation is carried out respectively in the embodiment provided the present invention, by embodiment 1 and the made C-4-fraction of embodiment 2
Waste gas absorption tower corrosion-resistant finishes carries out performance test, as a result as shown in table 1.
The performance test results of the made C-4-fraction waste gas absorption tower corrosion-resistant finishes of table 1
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (4)
1. a kind of C-4-fraction waste gas absorption tower corrosion-resistant finishes, it is characterised in that include the raw material of following number：
3~50 parts of polytetrafluoroethylene (PTFE), 3~60 parts of carbon fiber, silane γ-methacryloxypropyl trimethoxy silane 2~
10 parts, 2~40 parts of cupric oxide, 5~50 parts of pitch, 4~60 parts of nickel-base alloy, 2~30 parts of concentrated hydrochloric acid, 5~21 parts of silane, propylene
4~61 parts of asphaltic resin, 10~87 parts of aqueous slkali, 3~30 parts of absolute ethyl alcohol, 2~10 parts of deionized water.
2. C-4-fraction waste gas absorption tower corrosion-resistant finishes according to claim 1, it is characterised in that：Its preparation method is such as
Under：
(1) prepared by modified Teflon and carbon fiber colloidal sol：Using polytetrafluoroethylene (PTFE) and carbon fiber as inorganic precursor with it is organic
Silane γ-methacryloxypropyl trimethoxy silane is organic modifiers, by 1:7~1:15 mixed in molar ratio with it is anhydrous
In ethanol, and by 1 under concentrated hydrochloric acid catalytic condition:0.5~1:1.5 are added dropwise deionized water, 300 at 30~50 DEG C~
800rpm/min stirs 1-5h, and rear preservative film sealing Chen Hua obtains colloidal sol I in 1~5 day；
(2) prepared by organically-modified cupric oxide and nickel-base alloy colloidal sol：Using cupric oxide and nickel-base alloy as inorganic precursor with it is organic
Silane γ-methacryloxypropyl trimethoxy silane is organic modifiers, by by 1:3~1:17.5 mixed in molar ratio with
In absolute ethyl alcohol, and by 1 under concentrated hydrochloric acid catalytic condition:0.5~1:1.5 are added dropwise deionized water, 300 at 20~70 DEG C
~800rpm/min stirs 1~5h, and rear preservative film sealing Chen Hua obtains colloidal sol II in 1~3 day；
(3) silane, propylene asphaltic resin are added into 800~2000rpm/min in pitch to stir, by 1:2.5~1:7.5 add dropwise
Enter alkali lye, continue to stir 15~30min, after by mixture as 85 DEG C of 20~40min of stirred in water bath, you can material III；
(4) colloidal sol I, colloidal sol II are added into material III, is stirred into molten colloidal mixture；By electric furnace according to 10 DEG C/min,
Speed is warming up to design temperature, and colloidal sol shape blend sample is put into electric furnace, and 5~20min of calcining takes out, according to same step
Suddenly, the prepared sample of each temperature spot calcining between 700~1000 DEG C, worth is that C-4-fraction waste gas absorption tower is resistance to
Corrosion resistant coating.
3. C-4-fraction waste gas absorption tower corrosion-resistant finishes according to claim 2, it is characterised in that：It is sprayed using coating
Coating method is：
When wherein being sprayed using coating, using high speed flame spraying method, spray distance 150mm, gaseous-pressure 0.35Mpa,
Blasting pressure 0.35Mpa, send component 100g/min, coating layer thickness 0.4mm.
4. C-4-fraction waste gas absorption tower corrosion-resistant finishes according to claim 3, it is characterised in that：Its matrix processing side
Method is：
Before wherein being sprayed using coating, matrix need to be pre-processed, processing method：Utilize hydrochloric acid solution, aqueous slkali (NaOH
Solution, KOH solution) sprinkling matrix surface is alternately removed, moistening immersion 10min removes the oxide and precipitation product of matrix surface
Tired thing, soda acid remove after respectively with 40 DEG C of water-baths flushing 5min, soda acid processing time is too short, greasy dirt and sediment not easy-clear,
Overlong time, is easily caused corrosion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710317778.9A CN107011799A (en) | 2017-05-08 | 2017-05-08 | A kind of C-4-fraction waste gas absorption tower corrosion-resistant finishes |
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| CN201710317778.9A CN107011799A (en) | 2017-05-08 | 2017-05-08 | A kind of C-4-fraction waste gas absorption tower corrosion-resistant finishes |
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| CN (1) | CN107011799A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220208A (en) * | 2007-01-09 | 2008-07-16 | 中国涂料株式会社 | Container for sea transportation, manufacturing method and used superposition material thereof |
| CN102585700A (en) * | 2012-01-16 | 2012-07-18 | 南昌航空大学 | Method for preparing UV (ultraviolet)-curable high-temperature-resistant and corrosion-resistant organic silicon/silica hybrid coating |
| CN103122214A (en) * | 2013-03-22 | 2013-05-29 | 南昌航空大学 | Preparation method of high-temperature-resistant and corrosion-resistant fluorine-containing organic silicon/SiO2 nano-hybrided coatings |
| CN104277664A (en) * | 2014-10-20 | 2015-01-14 | 芜湖县双宝建材有限公司 | Marine anticorrosive coatings |
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2017
- 2017-05-08 CN CN201710317778.9A patent/CN107011799A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220208A (en) * | 2007-01-09 | 2008-07-16 | 中国涂料株式会社 | Container for sea transportation, manufacturing method and used superposition material thereof |
| CN102585700A (en) * | 2012-01-16 | 2012-07-18 | 南昌航空大学 | Method for preparing UV (ultraviolet)-curable high-temperature-resistant and corrosion-resistant organic silicon/silica hybrid coating |
| CN103122214A (en) * | 2013-03-22 | 2013-05-29 | 南昌航空大学 | Preparation method of high-temperature-resistant and corrosion-resistant fluorine-containing organic silicon/SiO2 nano-hybrided coatings |
| CN104277664A (en) * | 2014-10-20 | 2015-01-14 | 芜湖县双宝建材有限公司 | Marine anticorrosive coatings |
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| 徐秉恺 等: "《实用涂料手册》", 31 July 2002, 华东理工大学出版社 * |
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Application publication date: 20170804 |