CN108988237A - A kind of channel-type cable bridge and its anticorrosion process - Google Patents
A kind of channel-type cable bridge and its anticorrosion process Download PDFInfo
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- CN108988237A CN108988237A CN201810567892.1A CN201810567892A CN108988237A CN 108988237 A CN108988237 A CN 108988237A CN 201810567892 A CN201810567892 A CN 201810567892A CN 108988237 A CN108988237 A CN 108988237A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
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- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
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Abstract
The invention discloses a kind of channel-type cable bridges, including truss and the shield being arranged on truss, truss includes following components by mass percentage: C:0.15-0.19%, Cr:1.0-3.0%, Si:2-4%, Al:0.5-0.9%, Ti:0.2-0.5%, Cu:0.05-0.08%, B:0.05-0.08%, Sb:0.1-0.3%, Mo:0.2-0.35%, Zr:0.03-0.05%, Zn:0.5-0.8%, Nb:0.05-0.07%, Mn:0.45-0.48%, S:0.003-0.005%, P:0.005-0.007%, V:0.01 ﹣ 0.03%, rare earth element : 0.15-0.18%, remaining is Fe and inevitable impurity；The present invention also designs a kind of anticorrosion process of channel-type cable bridge, which has good corrosion resistant performance, long service life.
Description
Technical field
The present invention relates to a kind of gantries, and in particular to a kind of channel-type cable bridge and its anticorrosion process.
Background technique
Cable testing bridge is to be made of to have contiguity branch the straightway of pallet or ladder, curved logical, component and trailing arm, hanger etc.
The rigid structure system for holding cable is mainly used for the comprehensive wirings such as mating power Transmission and line telecommunications transfer of powering, laying electricity
The supporting member of cable, this supporting member in Dian Li supply department, industrial and mining enterprises, hotel, comprehensive office facility concentration for matching
Power transmission system and line telecommunications of electricity etc. are most widely used；Existing cable testing bridge is mostly linear type, and shape is more single
One, when cable needs to change direction, two straight line cables can only vertically be connected, transition is unsmooth, and cable is bent excessively
Seriously, it is impaired to often lead to knee, influences normal use, also results in the reduction of cable service life, it is above in order to overcome
Defect, those skilled in the art have developed a kind of channel-type cable bridge, when channel-type cable bridge a kind of Totally-enclosed-type cable
Gantry is best suited for laying computer cable, communication cable, thermocouple cable and control cable of other Highly Sensitive Systems etc.,
It has preferable effect to the protection of cable in the interference of control cable shield and heavy corrosion environment, so the range of application is more next
It is wider；
Currently, cable testing bridge design is more unreasonable, service life is short, low intolerant to burn into intensity, wears no resistance, and use cost is high,
And construction efficiency is more low.
Summary of the invention
The technical problem to be solved by the present invention is to propose a kind of slot for the above disadvantage of the existing technology
Formula cable testing bridge and its anticorrosion process, the gantry have good corrosion resistant performance, long service life.The present invention solves the above technology
The technical solution of problem is:
A kind of channel-type cable bridge, including truss and the shield being arranged on truss, truss includes following by mass percentage
Component:
C:0.15-0.19%, Cr:1.0-3.0%, Si:2-4%, Al:0.5-0.9%, Ti:0.2-0.5%, Cu:0.05-0.08%,
B:0.05-0.08%, Sb:0.1-0.3%, Mo:0.2-0.35%, Zr:0.03-0.05%, Zn:0.5-0.8%, Nb:0.05-
0.07%, Mn:0.45-0.48%, S:0.003-0.005%, P:0.005-0.007%, V:0.01 ﹣ 0.03%, rare earth element: 0.15-
0.18%, remaining is Fe and inevitable impurity；
Rare earth element includes following components by mass percentage:
Cerium: 8-11%, praseodymium: 3-5%, holmium: 5-9%, gadolinium: 10-13%, yttrium: 5-9%, remaining is lanthanum, and the sum of above rare earth each component is
100%。
The technical solution that the present invention further limits are as follows:
In aforementioned channel-type cable bridge, truss includes following components by mass percentage:
C:0.15%, Cr:1.0%, Si:2%, Al:0.5%, Ti:0.2%, Cu:0.05%, B:0.05%, Sb:0.1%, Mo:0.2%,
Zr:0.03%, Zn:0.5%, Nb:0.05%, Mn:0.45%, S:0.003%, P:0.005%, V:0.01%, rare earth element: 0.15%,
Remaining is Fe and inevitable impurity；
Rare earth element includes following components by mass percentage:
Cerium: 8%, praseodymium: 3%, holmium: 5%, gadolinium: 10%, yttrium: 5%, remaining is lanthanum, and the sum of above rare earth each component is 100%.
In aforementioned channel-type cable bridge, truss includes following components by mass percentage:
C:0.19%, Cr:3.0%, Si:4%, Al:0.9%, Ti:0.5%, Cu:0.08%, B:0.08%, Sb:0.3%, Mo:0.35%,
Zr:0.05%, Zn:0.8%, Nb:0.07%, Mn:0.48%, S:0.005%, P:0.005-0.007%, V:0.03%, rare earth element:
0.18%, remaining is Fe and inevitable impurity；
Rare earth element includes following components by mass percentage:
Cerium: 11%, praseodymium: 5%, holmium: 9%, gadolinium: 13%, yttrium: 9%, remaining is lanthanum, and the sum of above rare earth each component is 100%.
In aforementioned channel-type cable bridge, truss includes following components by mass percentage:
C:0.17%, Cr:2.0%, Si:3%, Al:0.7%, Ti:0.3%, Cu:0.07%, B:0.07%, Sb:0.2%, Mo:0.3%,
Zr:0.04%, Zn:0.7%, Nb:0.06%, Mn:0.47%, S:0.004%, P:0.006%, V:0.02%, rare earth element: 0.16%,
Remaining is Fe and inevitable impurity；
Rare earth element includes following components by mass percentage:
Cerium: 9%, praseodymium: 4%, holmium: 7%, gadolinium: 12%, yttrium: 7%, remaining is lanthanum, and the sum of above rare earth each component is 100%.
The invention further relates to a kind of anticorrosion process of channel-type cable bridge,
(1) truss being carried out entering rinse bath cleaning, then descaling bath pickling is cleaned with the flowing pure water that temperature is 40 DEG C,
Salt acid soak is used after cleaning again, is then cleaned with the flowing pure water that temperature is 40 DEG C, is finally dried again；
Acid is hydrochloric acid of the concentration 15% in descaling bath, to truss pickling 9min under room temperature；
(2) anticorrosive paint is packed into bore in the spray gun of 1.0-1.2mm, is sprayed on the surface of truss, spray distance is
100-120mm, spray angle are 50-60 °, and drying oven is dried after spraying, and atomizing pressure is controlled in 100-220kPa, coating dry film
Thickness per pass is controlled at 20-25 μm, is formed erosion resistant coating and is completed anticorrosion process；
When spraying, environmental Kuznets Curves are at 15-25 DEG C of temperature, relative humidity≤50%.
The technical solution that the present invention further limits are as follows:
In the anticorrosion process of aforementioned channel-type cable bridge, anticorrosive paint includes following components according to the mass fraction:
Carbonic ester resin: 10-13 parts, zinc borate phenol-formaldehyde resin modified: 20-25 parts, glass flake: 2-4 parts, talcum powder: 1-3
Part, silicon carbide micro-powder: 2-4 parts, rare earth composite stabilizer: 1-2 parts, ethyl alcohol: 10-15 parts, dispersing agent: 5-7 parts, pigments and fillers: 1-
3 parts, thixotropic agent: 0.5-0.8 parts, defoaming agent: 0.5-1 parts, plasticizer: 4-7 parts, fire retardant: 1-3 parts, lubricant: 1-3 parts,
In:
Thixotropic agent is polyvinyl alcohol；Dispersing agent is calgon；Pigments and fillers are the mixture of iron oxide red and trbasic zinc phosphate；Defoaming
Agent is tributyl phosphate；Plasticizer is dioctyl phthalate；Fire retardant selects phosphotriester；Glass flake is by 80 mesh glass
Scale and 40 mesh glass flakes are in 80 mesh glass flakes: the mixing of 40 mesh glass flakes=2:1 ratio；Silicon carbide micro-powder is black carbon
SiClx and partial size are 6 μm；Lubricant is stearic acid or paraffin.
In the anticorrosion process of aforementioned channel-type cable bridge, specific step is as follows for the preparation method of carbonic ester resin:
(1) in the reaction under high pressure axe equipped with electric heating and magnetic agitation, epoxy resin and catalyst is added, under magnetic stirring
It is heated to 85-90 DEG C, mixing speed 200-300r/min, carbon dioxide is passed through after temperature is stablized and is pressed into autoclave
By force it is 1.2-1.4MPa, continues to be stirred to react 4-5h, stop heating, after temperature reduction, stops inflation, and be vented in autoclave
It discharges after gas, obtains pale yellow viscous liquid；
Wherein, catalyst is tetrabutylammonium bromide；
(2) ethyl acetate will be added in above-mentioned steps (1) and extracts catalyst, be then added what a large amount of hot water dissolvings were not extracted
Remaining oil after layering, is placed on decompression dehydration in vacuum distillation apparatus, both obtains carbonic ester resin by catalyst.
In the anticorrosion process of aforementioned channel-type cable bridge, rare earth composite stabilizer includes following components according to the mass fraction:
Mixed chlorinated rare earth: 12-15 parts, zinc sulfate: 10-13 parts, calcium chloride: 5-8 parts, sodium hydroxide: 15-18 parts, stearic acid:
5-7 parts；
The preparation method concrete operation step of rare earth composite stabilizer are as follows:
Mixed chlorinated rare earth and caustic soda are dissolved, are made into the solution that mass fraction is 45% and 50%, zinc sulfate, calcium chloride and
Barium chloride is configured to the solution of 2mol/L, clarification, spare；
Add distilled water 200ml in three-necked flask of the 500ml with stirring, start stirring, puts into 45% re chloride
16.7g, 50% soda bath 9.05g, solution of zinc sulfate 3ml, calcium chloride solution 4.5ml or barium chloride solution 6ml, stearic acid
35g is warming up to 70-75 DEG C, insulation reaction 15-20min, will add, continues anti-in 20min after the dilution of remaining soda bath
Terminate after answering 20-25min, last product is washed, filtering dry, pulverize and obtain rare earth composite stabilizer.
The beneficial effects of the present invention are:
The present invention uses a saponification method synthesizing rare-earth compound stabilizer, in order to keep saponification thorough, while avoiding generating sodium
Soap, caustic soda are added in two stages, can be obtained using the technique of a saponification method synthesis rare-earth stearate and a variety of stearate
To a kind of rare earth composite stabilizer having good stability, that is, production efficiency can be improved can reduce energy consumption again.
Radius is big and rare earth activity with higher, it is easy to fill up the gap of storeroom, meanwhile, rare earth element easily and
The element compounds such as oxygen, sulphur generate the high compound of fusing point, and the addition of compound rare-earth improves to a certain extent prepares coating
Dispersibility and compatibility, make product mix uniformly also improve the anti-flammability of coating.
For the present invention by the way that silicon carbide micro-powder is added, silicon carbide differential is a kind of ceramic material, and tool has good wearability, is excellent
Different thermal stability, fluorographite have excellent greasy property, and silicon carbide micro-powder and fluorographite are evenly dispersed in coating
In, so that the coating has good abrasion resistant effect.
Glass is the inorganic material of a kind of excellent chemical proof and ageing resistance, and glass flake is glass through 1700 DEG C
High temperature melting glass fragment very thin made of blowing again through Particular craft, thickness are generally 2-5 μm, and platelet length is 100-
300μm.The piece diameter of glass flake is bigger in length and breadth, and the anti-permeability performance of coating is stronger.Coating can be divided into many by glass flake
Small space divides the micro-crack in coating, microbubble mutually, while inhibiting the infiltration of capillarity.Glass flake
Curing shrinkage rate only has the part of other materials to 1/tens, this greatly increases the adhesive force and anti-impact of coating
Hit performance, it is suppressed that the defects of coating is cracked, peels off；
Using glass flake antirust filler, imitated by the fish scale that the glass flake pigment of multilayer and the arrangement of substrate less parallel is constituted
It answers, the seepage distance of corrosive medium can be extended several times or even dozens of times.General glass flake piece diameter is bigger in length and breadth, and coating resists
Permeance property is stronger, but the apparent relative mistake of coating is a little.Using the glass that the piece diameter of 80 mesh and 40 mesh is not of uniform size in the present invention
Glass scale is used in mixed way, to obtain larger piece diameter glass flake and ground in arranged in parallel, the glass flake of smaller pieces diameter with
Different angle is interspersed in the effect in gap；Also coating surface can be made relatively flat simultaneously.
The pigment used in the present invention mainly plays covering and colouration；The filler of use mainly plays enhancing, assigns spy
Different performance changes rheological property, reduces the effect of cost；The plasticizer used in the present invention can be substantially reduced the glass of film
Change temperature, and then enhance the flexibility of film, while can also reduce the minimum film formation temperature of emulsion coatings, improves coating workability
Energy；During coating, there may be foam generation, therefore proper quantity of defoaming agent is added and eliminates out foam.
Dispersing agent is added in first component of the present invention, dispersing agent can increase the compatibility between base-material, and particle wadding can be prevented poly-,
Paint viscosity is reduced, the surface of dispersed particle is firmly adsorbed on, and provide good space repulsion, makes particle in high-speed stirring
Mix down it is fully dispersed after, will not reunite because of Van der Waals force and again, adsorption layer will not be when by external force from particle
Sur-face peeling and lead to the unstable of system, to optimize the physical and chemical properties of coating.
Anticorrosive paint in the present invention has a good antiseptic property, the comprehensive detection of coating the result shows that, it is every physical and chemical
Index reaches the requirement of JG/T224-2007, and the thermogravimetric analysis of coating shows that coating starts to accelerate weightlessness at 260 DEG C, arrives
700 DEG C of weight-loss ratios only have 27.44%, the impedance analysis of good thermal stability coating the result shows that: impedance value up to five orders of magnitude,
Antiseptic property is good；Preparation method is simple for composite epoxy anticorrosive paint of the present invention, and low in cost.
S content increases in the element of truss of the present invention, can improve the tensile strength of cast iron, reduces chilling tendency；It joined
Mn has the function of hindering graphitization, refines pearly-lustre crystal grain, and element M n can also be combined into manganese sulfide with the impurity S in molten iron, disappear
Except the illeffects of impurity S；Cu is added, can promote the graphitization in eutectic stage, reduce the chilling tendency of casting, especially can
It refines and increases pearlite；The addition of elements Mo effectively increases the stability of truss matrix medium pearlite；Element Cr promotees
The effect generated into casting matrix medium pearlite is very strong, improves truss wearability and high temperature resistance；Element ti has
The effect for refining casting matrix grain size and carbide keeps matrix thin and fine and close, effectively improves the intensity of truss
And hardness performance；Element Ni promotes graphitizing, can replace silicon or supplements the deficiency of silicon amount, reduces chilling tendency；Element
Sb can refine the graphite in casting, change graphite form, and stabilizing pearlite can improve high temperature pearlite stability and high temperature resistant
Performance；Zn can reduce alloy graining temperature range, improve the mold-filling capacity and feeding capacity of alloy, reduce shrinkage porosite, while Zn is again
It is good degasifier and deoxidier, advantageously reduces gas content and oxide inclusion in alloy, mitigate the reverse-biased of alloy
Phenomenon is analysed, it is effective to improve casting water pressure resistance performance due to improving the compactness of truss tissue；The fusing of Zn, to reduce original
The oxidation and air-breathing of material liquid make the reduction of former material feed liquid air content, can mitigate the inverse segregation phenomenon of former material feed liquid, reduce and seep
Leakage, Zn steam are easily precipitated from former material feed liquid, and the gas in copper liquid is discharged with Zn steam bubble, is formed simultaneously Zn steam and plays copper
The deoxidation of liquid, Zn steam are covered on copper liquid surface, have completely cut off air to the oxidation on copper liquid surface, have formed protectiveness gas
Atmosphere.
Element rare earth is added in the present invention since the metallic atomic radius of the above rare earth element is bigger than the atomic radius of iron,
It is easy to fill up in its crystal grain and defect, and generates the film that can hinder crystal grain continued growth, to make crystal grain refinement and improve
The performance of steel, meanwhile, rare earth element is easily and oxygen, sulphur, lead and other elements chemical combination generate the high compound of fusing point, can play purification steel
Effect, by be added rare earth metal, can effectively weaken the segregation phenomenon of blade, rushing for truss can be increased substantially
Hit toughness.
Specific embodiment
Embodiment 1
The present embodiment provides a kind of channel-type cable bridge, truss includes following components by mass percentage:
C:0.15%, Cr:1.0%, Si:2%, Al:0.5%, Ti:0.2%, Cu:0.05%, B:0.05%, Sb:0.1%, Mo:0.2%,
Zr:0.03%, Zn:0.5%, Nb:0.05%, Mn:0.45%, S:0.003%, P:0.005%, V:0.01%, rare earth element: 0.15%,
Remaining is Fe and inevitable impurity；
Rare earth element includes following components by mass percentage:
Cerium: 8%, praseodymium: 3%, holmium: 5%, gadolinium: 10%, yttrium: 5%, remaining is lanthanum, and the sum of above rare earth each component is 100%.
The anticorrosion process of above-mentioned channel-type cable bridge specifically includes following:
(1) truss being carried out entering rinse bath cleaning, then descaling bath pickling is cleaned with the flowing pure water that temperature is 40 DEG C,
Salt acid soak is used after cleaning again, is then cleaned with the flowing pure water that temperature is 40 DEG C, is finally dried again；
Acid is hydrochloric acid of the concentration 15% in descaling bath, to truss pickling 9min under room temperature；
(2) anticorrosive paint is packed into bore in the spray gun of 1.0mm, is sprayed on the surface of truss, spray distance 100mm,
Spray angle is 50 °, and drying oven is dried after spraying, and atomizing pressure control is controlled in 100kPa, coating dry film thickness per pass in 20 μ
M forms erosion resistant coating and completes anticorrosion process；
When spraying, environmental Kuznets Curves are at 15 DEG C of temperature, relative humidity≤50%.
Above-mentioned anticorrosive paint includes following components according to the mass fraction:
Carbonic ester resin: 10 parts, zinc borate phenol-formaldehyde resin modified: 20 parts, glass flake: 2 parts, talcum powder: 1 part, silicon carbide
Micro mist: 2 parts, rare earth composite stabilizer: 1 part, ethyl alcohol: 10 parts, dispersing agent: 5 parts, pigments and fillers: 1 part, thixotropic agent: 0.5 part, disappear
Infusion: 0.5 part, plasticizer: 4 parts, fire retardant: 1 part, lubricant: 1 part, in which:
Thixotropic agent is polyvinyl alcohol；Dispersing agent is calgon；Pigments and fillers are the mixture of iron oxide red and trbasic zinc phosphate；Defoaming
Agent is tributyl phosphate；Plasticizer is dioctyl phthalate；Fire retardant selects phosphotriester；Glass flake is by 80 mesh glass
Scale and 40 mesh glass flakes are in 80 mesh glass flakes: the mixing of 40 mesh glass flakes=2:1 ratio；Silicon carbide micro-powder is black carbon
SiClx and partial size are 6 μm；Lubricant is stearic acid or paraffin.
Specific step is as follows for the preparation method of above-mentioned carbonic ester resin:
(1) in the reaction under high pressure axe equipped with electric heating and magnetic agitation, epoxy resin and catalyst is added, under magnetic stirring
85 DEG C, mixing speed 200r/min are heated to, being passed through carbon dioxide pressure into autoclave after temperature is stablized is
1.2MPa continues to be stirred to react 4h, stops heating, after temperature reduction, stops inflation, and is vented in autoclave after gas
Material, obtains pale yellow viscous liquid；
Wherein, catalyst is tetrabutylammonium bromide；
(2) ethyl acetate will be added in above-mentioned steps (1) and extracts catalyst, be then added what a large amount of hot water dissolvings were not extracted
Remaining oil after layering, is placed on decompression dehydration in vacuum distillation apparatus, both obtains carbonic ester resin by catalyst.
In the present embodiment, rare earth composite stabilizer includes following components according to the mass fraction:
Mixed chlorinated rare earth: 12 parts, zinc sulfate: 10 parts, calcium chloride: 5 parts, sodium hydroxide: 15 parts, stearic acid: 5 parts；
The preparation method concrete operation step of rare earth composite stabilizer are as follows:
Mixed chlorinated rare earth and caustic soda are dissolved, are made into the solution that mass fraction is 45% and 50%, zinc sulfate, calcium chloride and
Barium chloride is configured to the solution of 2mol/L, clarification, spare；
Add distilled water 200ml in three-necked flask of the 500ml with stirring, start stirring, puts into 45% re chloride
16.7g, 50% soda bath 9.05g, solution of zinc sulfate 3ml, calcium chloride solution 4.5ml or barium chloride solution 6ml, stearic acid
35g is warming up to 70 DEG C, insulation reaction 15min, will add in 20min after the dilution of remaining soda bath, the reaction was continued
Terminate after 20min, last product is washed, filtering dry, pulverize and obtain rare earth composite stabilizer.
Embodiment 2
The present embodiment provides a kind of channel-type cable bridge, truss includes following components by mass percentage:
C:0.19%, Cr:3.0%, Si:4%, Al:0.9%, Ti:0.5%, Cu:0.08%, B:0.08%, Sb:0.3%, Mo:0.35%,
Zr:0.05%, Zn:0.8%, Nb:0.07%, Mn:0.48%, S:0.005%, P:0.005-0.007%, V:0.03%, rare earth element:
0.18%, remaining is Fe and inevitable impurity；
Rare earth element includes following components by mass percentage:
Cerium: 11%, praseodymium: 5%, holmium: 9%, gadolinium: 13%, yttrium: 9%, remaining is lanthanum, and the sum of above rare earth each component is 100%.
The anticorrosion process of above-mentioned channel-type cable bridge specifically includes following:
(1) truss being carried out entering rinse bath cleaning, then descaling bath pickling is cleaned with the flowing pure water that temperature is 40 DEG C,
Salt acid soak is used after cleaning again, is then cleaned with the flowing pure water that temperature is 40 DEG C, is finally dried again；
Acid is hydrochloric acid of the concentration 15% in descaling bath, to truss pickling 9min under room temperature；
(2) anticorrosive paint is packed into bore in the spray gun of 1.2mm, is sprayed on the surface of truss, spray distance 120mm,
Spray angle is 60 °, and drying oven is dried after spraying, and atomizing pressure control is controlled in 220kPa, coating dry film thickness per pass in 25 μ
M forms erosion resistant coating and completes anticorrosion process；
When spraying, environmental Kuznets Curves are at 25 DEG C of temperature, relative humidity≤50%.
Above-mentioned anticorrosive paint includes following components according to the mass fraction:
Carbonic ester resin: 13 parts, zinc borate phenol-formaldehyde resin modified: 25 parts, glass flake: 4 parts, talcum powder: 3 parts, silicon carbide
Micro mist: 4 parts, rare earth composite stabilizer: 2 parts, ethyl alcohol: 15 parts, dispersing agent: 7 parts, pigments and fillers: 3 parts, thixotropic agent: 0.8 part, disappear
Infusion: 1 part, plasticizer: 7 parts, fire retardant: 3 parts, lubricant: 3 parts, in which:
Thixotropic agent is polyvinyl alcohol；Dispersing agent is calgon；Pigments and fillers are the mixture of iron oxide red and trbasic zinc phosphate；Defoaming
Agent is tributyl phosphate；Plasticizer is dioctyl phthalate；Fire retardant selects phosphotriester；Glass flake is by 80 mesh glass
Scale and 40 mesh glass flakes are in 80 mesh glass flakes: the mixing of 40 mesh glass flakes=2:1 ratio；Silicon carbide micro-powder is black carbon
SiClx and partial size are 6 μm；Lubricant is stearic acid or paraffin.
Specific step is as follows for the preparation method of above-mentioned carbonic ester resin:
(1) in the reaction under high pressure axe equipped with electric heating and magnetic agitation, epoxy resin and catalyst is added, under magnetic stirring
90 DEG C, mixing speed 300r/min are heated to, being passed through carbon dioxide pressure into autoclave after temperature is stablized is
1.4MPa continues to be stirred to react 5h, stops heating, after temperature reduction, stops inflation, and is vented in autoclave after gas
Material, obtains pale yellow viscous liquid；
Wherein, catalyst is tetrabutylammonium bromide；
(2) ethyl acetate will be added in above-mentioned steps (1) and extracts catalyst, be then added what a large amount of hot water dissolvings were not extracted
Remaining oil after layering, is placed on decompression dehydration in vacuum distillation apparatus, both obtains carbonic ester resin by catalyst.
In the present embodiment, rare earth composite stabilizer includes following components according to the mass fraction:
Mixed chlorinated rare earth: 15 parts, zinc sulfate: 13 parts, calcium chloride: 8 parts, sodium hydroxide: 18 parts, stearic acid: 7 parts；
The preparation method concrete operation step of rare earth composite stabilizer are as follows:
Mixed chlorinated rare earth and caustic soda are dissolved, are made into the solution that mass fraction is 45% and 50%, zinc sulfate, calcium chloride and
Barium chloride is configured to the solution of 2mol/L, clarification, spare；
Add distilled water 200ml in three-necked flask of the 500ml with stirring, start stirring, puts into 45% re chloride
16.7g, 50% soda bath 9.05g, solution of zinc sulfate 3ml, calcium chloride solution 4.5ml or barium chloride solution 6ml, stearic acid
35g is warming up to 75 DEG C, insulation reaction 20min, will add in 20min after the dilution of remaining soda bath, the reaction was continued
Terminate after 25min, last product is washed, filtering dry, pulverize and obtain rare earth composite stabilizer.
Embodiment 3
The present embodiment provides a kind of channel-type cable bridge, truss includes following components by mass percentage:
C:0.17%, Cr:2.0%, Si:3%, Al:0.7%, Ti:0.3%, Cu:0.07%, B:0.07%, Sb:0.2%, Mo:0.3%,
Zr:0.04%, Zn:0.7%, Nb:0.06%, Mn:0.47%, S:0.004%, P:0.006%, V:0.02%, rare earth element: 0.16%,
Remaining is Fe and inevitable impurity；
Rare earth element includes following components by mass percentage:
Cerium: 9%, praseodymium: 4%, holmium: 7%, gadolinium: 12%, yttrium: 7%, remaining is lanthanum, and the sum of above rare earth each component is 100%.
The anticorrosion process of above-mentioned channel-type cable bridge specifically includes following:
(1) truss being carried out entering rinse bath cleaning, then descaling bath pickling is cleaned with the flowing pure water that temperature is 40 DEG C,
Salt acid soak is used after cleaning again, is then cleaned with the flowing pure water that temperature is 40 DEG C, is finally dried again；
Acid is hydrochloric acid of the concentration 15% in descaling bath, to truss pickling 9min under room temperature；
(2) anticorrosive paint is packed into bore in the spray gun of 1.1mm, is sprayed on the surface of truss, spray distance 1010mm,
Spray angle is 55 °, and drying oven is dried after spraying, and atomizing pressure control is controlled in 1150kPa, coating dry film thickness per pass 22
μm, it forms erosion resistant coating and completes anticorrosion process；
When spraying, environmental Kuznets Curves are at 20 DEG C of temperature, relative humidity≤50%.
Above-mentioned anticorrosive paint includes following components according to the mass fraction:
Carbonic ester resin: 12 parts, zinc borate phenol-formaldehyde resin modified: 22 parts, glass flake: 3 parts, talcum powder: 2 parts, silicon carbide
Micro mist: 3 parts, rare earth composite stabilizer: 2 parts, ethyl alcohol: 12 parts, dispersing agent: 6 parts, pigments and fillers: 2 parts, thixotropic agent: 0.7 part, disappear
Infusion: 0.8 part, plasticizer: 5 parts, fire retardant: 2 parts, lubricant: 2 parts, in which:
Thixotropic agent is polyvinyl alcohol；Dispersing agent is calgon；Pigments and fillers are the mixture of iron oxide red and trbasic zinc phosphate；Defoaming
Agent is tributyl phosphate；Plasticizer is dioctyl phthalate；Institute's fire retardant selects phosphotriester；Glass flake is by 80 mesh glass
Glass scale and 40 mesh glass flakes are in 80 mesh glass flakes: the mixing of 40 mesh glass flakes=2:1 ratio；Silicon carbide micro-powder is black
Silicon carbide and partial size are 6 μm；Lubricant is stearic acid or paraffin.
Specific step is as follows for the preparation method of above-mentioned carbonic ester resin:
(1) in the reaction under high pressure axe equipped with electric heating and magnetic agitation, epoxy resin and catalyst is added, under magnetic stirring
88 DEG C, mixing speed 250r/min are heated to, being passed through carbon dioxide pressure into autoclave after temperature is stablized is
1.3MPa continues to be stirred to react 4.5h, stops heating, after temperature reduction, stops inflation, and is vented in autoclave after gas
Material, obtains pale yellow viscous liquid；
Wherein, catalyst is tetrabutylammonium bromide；
(2) ethyl acetate will be added in above-mentioned steps (1) and extracts catalyst, be then added what a large amount of hot water dissolvings were not extracted
Remaining oil after layering, is placed on decompression dehydration in vacuum distillation apparatus, both obtains carbonic ester resin by catalyst.
In the present embodiment, rare earth composite stabilizer includes following components according to the mass fraction:
Mixed chlorinated rare earth: 13 parts, zinc sulfate: 11 parts, calcium chloride: 7 parts, sodium hydroxide: 16 parts, stearic acid: 6 parts；
The preparation method concrete operation step of rare earth composite stabilizer are as follows:
Mixed chlorinated rare earth and caustic soda are dissolved, are made into the solution that mass fraction is 45% and 50%, zinc sulfate, calcium chloride and
Barium chloride is configured to the solution of 2mol/L, clarification, spare；
Add distilled water 200ml in three-necked flask of the 500ml with stirring, start stirring, puts into 45% re chloride
16.7g, 50% soda bath 9.05g, solution of zinc sulfate 3ml, calcium chloride solution 4.5ml or barium chloride solution 6ml, stearic acid
35g is warming up to 72 DEG C, insulation reaction 18min, will add in 20min after the dilution of remaining soda bath, the reaction was continued
Terminate after 22min, last product is washed, filtering dry, pulverize and obtain rare earth composite stabilizer.
In addition to the implementation, the present invention can also have other embodiments.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (8)
1. a kind of channel-type cable bridge, it is characterised in that: including truss and the shield being arranged on truss, the truss presses quality
Percentages include following components:
C:0.15-0.19%, Cr:1.0-3.0%, Si:2-4%, Al:0.5-0.9%, Ti:0.2-0.5%, Cu:0.05-0.08%,
B:0.05-0.08%, Sb:0.1-0.3%, Mo:0.2-0.35%, Zr:0.03-0.05%, Zn:0.5-0.8%, Nb:0.05-
0.07%, Mn:0.45-0.48%, S:0.003-0.005%, P:0.005-0.007%, V:0.01 ﹣ 0.03%, rare earth element: 0.15-
0.18%, remaining is Fe and inevitable impurity；
The rare earth element includes following components by mass percentage:
Cerium: 8-11%, praseodymium: 3-5%, holmium: 5-9%, gadolinium: 10-13%, yttrium: 5-9%, remaining is lanthanum, and the sum of above rare earth each component is
100%。
2. channel-type cable bridge according to claim 1, it is characterised in that: the truss include by mass percentage with
Lower component:
C:0.15%, Cr:1.0%, Si:2%, Al:0.5%, Ti:0.2%, Cu:0.05%, B:0.05%, Sb:0.1%, Mo:0.2%,
Zr:0.03%, Zn:0.5%, Nb:0.05%, Mn:0.45%, S:0.003%, P:0.005%, V:0.01%, rare earth element: 0.15%,
Remaining is Fe and inevitable impurity；
The rare earth element includes following components by mass percentage:
Cerium: 8%, praseodymium: 3%, holmium: 5%, gadolinium: 10%, yttrium: 5%, remaining is lanthanum, and the sum of above rare earth each component is 100%.
3. channel-type cable bridge according to claim 1, it is characterised in that: the truss include by mass percentage with
Lower component:
C:0.19%, Cr:3.0%, Si:4%, Al:0.9%, Ti:0.5%, Cu:0.08%, B:0.08%, Sb:0.3%, Mo:0.35%,
Zr:0.05%, Zn:0.8%, Nb:0.07%, Mn:0.48%, S:0.005%, P:0.005-0.007%, V:0.03%, rare earth element:
0.18%, remaining is Fe and inevitable impurity；
The rare earth element includes following components by mass percentage:
Cerium: 11%, praseodymium: 5%, holmium: 9%, gadolinium: 13%, yttrium: 9%, remaining is lanthanum, and the sum of above rare earth each component is 100%.
4. channel-type cable bridge according to claim 1, it is characterised in that: the truss include by mass percentage with
Lower component:
C:0.17%, Cr:2.0%, Si:3%, Al:0.7%, Ti:0.3%, Cu:0.07%, B:0.07%, Sb:0.2%, Mo:0.3%,
Zr:0.04%, Zn:0.7%, Nb:0.06%, Mn:0.47%, S:0.004%, P:0.006%, V:0.02%, rare earth element: 0.16%,
Remaining is Fe and inevitable impurity；
The rare earth element includes following components by mass percentage:
Cerium: 9%, praseodymium: 4%, holmium: 7%, gadolinium: 12%, yttrium: 7%, remaining is lanthanum, and the sum of above rare earth each component is 100%.
5. the anticorrosion process of the channel-type cable bridge as described in claim 1-4 any claim, it is characterised in that:
(1) truss being carried out entering rinse bath cleaning, then descaling bath pickling is cleaned with the flowing pure water that temperature is 40 DEG C,
Salt acid soak is used after cleaning again, is then cleaned with the flowing pure water that temperature is 40 DEG C, is finally dried again；
Acid is hydrochloric acid of the concentration 15% in the descaling bath, to truss pickling 9min under room temperature；
(2) anticorrosive paint is packed into bore in the spray gun of 1.0-1.2mm, is sprayed on the surface of truss, spray distance is
100-120mm, spray angle are 50-60 °, and drying oven is dried after spraying, and atomizing pressure is controlled in 100-220kPa, coating dry film
Thickness per pass is controlled at 20-25 μm, is formed erosion resistant coating and is completed anticorrosion process；
When spraying, environmental Kuznets Curves are at 15-25 DEG C of temperature, relative humidity≤50%.
6. the anticorrosion process of channel-type cable bridge according to claim 5, it is characterised in that: the anticorrosive paint presses quality
Number meter includes following components:
Carbonic ester resin: 10-13 parts, zinc borate phenol-formaldehyde resin modified: 20-25 parts, glass flake: 2-4 parts, talcum powder: 1-3
Part, silicon carbide micro-powder: 2-4 parts, rare earth composite stabilizer: 1-2 parts, ethyl alcohol: 10-15 parts, dispersing agent: 5-7 parts, pigments and fillers: 1-
3 parts, thixotropic agent: 0.5-0.8 parts, defoaming agent: 0.5-1 parts, plasticizer: 4-7 parts, fire retardant: 1-3 parts, lubricant: 1-3 parts,
In:
The thixotropic agent is polyvinyl alcohol；The dispersing agent is calgon；The pigments and fillers be iron oxide red and
The mixture of trbasic zinc phosphate；The defoaming agent is tributyl phosphate；The plasticizer is dioctyl phthalate；Described
Fire retardant selects phosphotriester；The glass flake presses 80 mesh glass flakes by 80 mesh glass flakes and 40 mesh glass flakes:
The mixing of 40 mesh glass flakes=2:1 ratio；The silicon carbide micro-powder is black silicon carbide and partial size is 6 μm；The lubricant is
Stearic acid or paraffin.
7. the anticorrosion process of channel-type cable bridge according to claim 6, it is characterised in that: the carbonic ester resin
Preparation method specific step is as follows:
(1) in the reaction under high pressure axe equipped with electric heating and magnetic agitation, epoxy resin and catalyst is added, under magnetic stirring
It is heated to 85-90 DEG C, mixing speed 200-300r/min, carbon dioxide is passed through after temperature is stablized and is pressed into autoclave
By force it is 1.2-1.4MPa, continues to be stirred to react 4-5h, stop heating, after temperature reduction, stops inflation, and be vented in autoclave
It discharges after gas, obtains pale yellow viscous liquid；
Wherein, the catalyst is tetrabutylammonium bromide；
(2) ethyl acetate will be added in above-mentioned steps (1) and extracts catalyst, be then added what a large amount of hot water dissolvings were not extracted
Remaining oil after layering, is placed on decompression dehydration in vacuum distillation apparatus, both obtains carbonic ester resin by catalyst.
8. the anticorrosion process of channel-type cable bridge according to claim 6, it is characterised in that:
The rare earth composite stabilizer includes following components according to the mass fraction:
Mixed chlorinated rare earth: 12-15 parts, zinc sulfate: 10-13 parts, calcium chloride: 5-8 parts, sodium hydroxide: 15-18 parts, stearic acid:
5-7 parts；
The preparation method concrete operation step of the rare earth composite stabilizer are as follows:
Mixed chlorinated rare earth and caustic soda are dissolved, the solution that mass fraction is 45% and 50%, zinc sulfate, calcium chloride and chlorine are made into
Change the solution that barium is configured to 2mol/L, clarification is spare；
Add distilled water 200ml in three-necked flask of the 500ml with stirring, start stirring, puts into 45% re chloride
16.7g, 50% soda bath 9.05g, solution of zinc sulfate 3ml, calcium chloride solution 4.5ml or barium chloride solution 6ml, stearic acid
35g is warming up to 70-75 DEG C, insulation reaction 15-20min, will add, continues anti-in 20min after the dilution of remaining soda bath
Terminate after answering 20-25min, last product is washed, filtering dry, pulverize and obtain rare earth composite stabilizer.
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Application publication date: 20181211 |