CN108546064A - A kind of doping sepiolite fibre is to improve the road dental calculus processing method of intensity - Google Patents
A kind of doping sepiolite fibre is to improve the road dental calculus processing method of intensity Download PDFInfo
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- CN108546064A CN108546064A CN201810354968.2A CN201810354968A CN108546064A CN 108546064 A CN108546064 A CN 108546064A CN 201810354968 A CN201810354968 A CN 201810354968A CN 108546064 A CN108546064 A CN 108546064A
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- Prior art keywords
- dental calculus
- micro mist
- petroleum coke
- sepiolite fibre
- auxiliary material
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/144—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1055—Coating or impregnating with inorganic materials
- C04B20/1066—Oxides, Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention discloses a kind of doping sepiolite fibres to improve the road dental calculus processing method of intensity, is related to road dental calculus processing technique field, includes the following steps：(1) prepared by the fine of petroleum coke, the enhancing cladding of (2) petroleum coke, (3) major ingredient, prepared by (4) auxiliary material, (5) auxiliary material super low temperature, the processing of (6) road dental calculus.The present invention is using hydrogenated rosin pentaerythritol ester and hexamethylolmelamine pregnancy ether as modifying agent, the comixing compatibility between sepiolite fibre and major ingredient is improved by the modification to sepiolite fibre, and accelerates the rate of drying of concrete and the compression strength and tensile strength of the made road dental calculus of enhancing.
Description
Technical field：
The present invention relates to road dental calculus processing technique fields, and in particular to a kind of doping sepiolite fibre is to improve the road of intensity
Dental calculus processing method.
Background technology：
Road dental calculus refers to the boundary stone used in pavement edge, also referred to as curbstone (kerbstone) or kerb, curb.Road dental calculus is on road
On face distinguish driveway, pavement, greenery patches, isolation strip and road other parts boundary line, play ensure pedestrian, vehicular traffic peace
Effect complete and that guarantee pavement edge is neat.
Currently, road dental calculus is typically to be formed or cut using lithotome, Ru Huagang by normal concrete is prefabricated
Road dental calculus made of rock, marble.Since road dental calculus made of lithotome cutting is not only drawn materials, constructional difficulties, but also resource
It is limited, natural resources is destroyed, therefore be not widely used in recent years.Though but the road dental calculus made of normal concrete on the market
Right price is less than lithotome, but its raw materials for production processes made road dental calculus not only resistance to compression mainly with sand, stone, cement production systD
There are some potential safety problemss to pedestrian and vehicle for the notch occurred after intensity is low and broken.
Invention content：
Technical problem to be solved by the present invention lies in providing, a kind of raw material is cheap and easy to get, process operation is simple and practicable mixes
For miscellaneous sepiolite fibre to improve the road dental calculus processing method of intensity, the compression strength and tensile strength of made road dental calculus are excellent.
The technical problems to be solved by the invention are realized using technical solution below：
A kind of doping sepiolite fibre is included the following steps with improving the road dental calculus processing method of intensity：
(1) fine of petroleum coke：Petroleum coke is processed into micro mist of the fineness less than 300 mesh to get stone using micropowder grinding
Oil coke micro mist；
(2) the enhancing cladding of petroleum coke：It is completely soft that petroleum coke micro mist is first heated to surface with the heating rate of 5 DEG C/min
Change, equivalent super fine magnesia is then added under insulated and stirred, is sufficiently mixed, then through cooled to room temperature, and utilizes micro mist
Obtained solid is processed into fineness and coats petroleum coke micro mist less than the micro mist of 300 mesh to get magnesia by mill；
(3) prepared by major ingredient：It is mixed by mountain flour, middle sand, ground granulated blast furnace slag and desulfurization gypsum powder；
(4) prepared by auxiliary material：By portland cement, sepiolite fibre, magnesia cladding petroleum coke micro mist and poly-aspartic
Acid mixes；
(5) auxiliary material super low temperature：Auxiliary material plus water are stirred evenly, and stand 12h in -10 DEG C of environment；
(6) road dental calculus is processed：Auxiliary material after super low temperature is heated to 25-30 DEG C with the heating rate of 5 DEG C/min
Insulated and stirred is stirred evenly with major ingredient after auxiliary material melts completely, and is poured into the dental calculus mold of road, is demoulded afterwards for 24 hours, then at
28 days are conserved in 15-20 DEG C of environment to get road dental calculus；
The sepiolite fibre passes through modification, and specific method of modifying is：Sepiolite fibre is first placed in 110-120
It is dried to constant weight in DEG C baking oven, and 2-3h is roasted at 450-500 DEG C, after naturally cool to hydrogenation pine is added at 135-145 DEG C
Fragrant pentaerythritol ester and hexamethylolmelamine pregnancy ether insulated and stirred 15-30min, gained mixture is through naturally cooling to room
8-12h is stood after temperature in 0-5 DEG C of environment, coarse powder finally is made to get modified meerschaum fiber using pulverizer.
The mass ratio of the sepiolite fibre, hydrogenated rosin pentaerythritol ester and hexamethylolmelamine pregnancy ether is 1-
5:0.25-1:0.05-0.5。
The mountain flour, middle sand, ground granulated blast furnace slag, desulfurization gypsum powder, portland cement, sepiolite fibre, magnesia cladding
Petroleum coke micro mist, poly-aspartic-acid, water mass ratio be 20-30:10-15:5-10:1-5:5-10:1-5:1-5:0.25-
0.5:15-25。
The auxiliary material further includes flocculation aid, and the mass ratio of flocculation aid and portland cement is 0.25-1:5-10.
The flocculation aid is made of soil grade polyglutamic acid and N hydroxymethyl acrylamide, and preparation method is：It will be native
After earth grade polyglutamic acid and N hydroxymethyl acrylamide mixing plus water is completely dissolved, and adds potassium peroxydisulfate saturated aqueous solution,
And dilution heat of sulfuric acid regulation system pH value is added dropwise to 4-5, it is then heated to the reaction of reflux state insulated and stirred, is waited for after reaction
Gained mixture is sent into spray dryer, micro mist is made to get flocculation aid through micronizer in dry gained particle.
The soil grade polyglutamic acid, N hydroxymethyl acrylamide, potassium peroxydisulfate saturated aqueous solution mass ratio be 5-
10:5-10:0.5-1。
The auxiliary material further includes composite rare-earth oxide, and the mass ratio of composite rare-earth oxide and portland cement is
0.05-0.25:5-10。
The composite rare-earth oxide is made of cerous sulfate, yttrium chloride, neodymium carbonate and 4A molecular screen primary powders, preparation method
For：It is dispersed in water after cerous sulfate, yttrium chloride and neodymium carbonate are mixed, and is milled to fineness through ball mill and is less than 50 μm,
4A molecular screen primary powders are added, are stirred evenly, are then fed into freeze drier, dry obtained solid is made through micronizer
Micro mist finally in a nitrogen atmosphere first rises to 300 DEG C of heat preservation 3h with the heating rate of 5 DEG C/min, is further continued for 5 DEG C/min's
Heating rate rises to 600 DEG C of heat preservation 8h to get composite rare-earth oxide.
The cerous sulfate, yttrium chloride, neodymium carbonate, water, 4A molecular screen primary powders mass ratio be 5:3:2:20-30:1-3.
The beneficial effects of the invention are as follows：
(1) present invention improves the thermal stability of petroleum coke using super fine magnesia to the cladding of petroleum coke, while fully
Using the distinctive hardness of petroleum coke, wearability and intensity, to improve the compression strength and tensile strength of made road dental calculus, realize
New opplication of the petroleum coke in concrete field；
(2) present invention passes through using hydrogenated rosin pentaerythritol ester and hexamethylolmelamine pregnancy ether as modifying agent
Comixing compatibility between sepiolite fibre and major ingredient is improved to the modification of sepiolite fibre, and accelerates the dry of concrete
The compression strength and tensile strength of dry speed and the made road dental calculus of enhancing；
(3) flocculation aid of the present invention is made of soil grade polyglutamic acid and N hydroxymethyl acrylamide, N- methylol propylene
Amide under potassium peroxydisulfate initiation through copolyreaction generating structure in the acrylic resin containing hydroxyl, and in acrylic resin
Institute's hydroxyl ultimately generates flocculation aid with soil grade polyglutamic acid through esterification, and the addition of the flocculation aid can reduce silicate
The dosage of cement, while ensureing the gelling property of made concrete, and then improve the performance of made road dental calculus；
(4) present invention when prepared by composite rare-earth oxide using 4A molecular screen primary powders as dispersant, by made compound
The micro addition of rare earth oxide further significantly increases the compression strength and tensile strength of made road dental calculus.
Specific implementation mode：
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific embodiment is closed, the present invention is further explained.
Embodiment 1
(1) fine of petroleum coke：Petroleum coke is processed into micro mist of the fineness less than 300 mesh to get stone using micropowder grinding
Oil coke micro mist；
(2) the enhancing cladding of petroleum coke：It is completely soft that petroleum coke micro mist is first heated to surface with the heating rate of 5 DEG C/min
Change, equivalent super fine magnesia is then added under insulated and stirred, is sufficiently mixed, then through cooled to room temperature, and utilizes micro mist
Obtained solid is processed into fineness and coats petroleum coke micro mist less than the micro mist of 300 mesh to get magnesia by mill；
(3) prepared by major ingredient：It is mixed by sand, 5kg ground granulated blast furnace slags and 1kg desulfurization gypsum powders in 20kg mountain flours, 10kg；
(4) prepared by auxiliary material：By 8kg portland cements, 3kg sepiolite fibres, 2kg magnesia cladding petroleum coke micro mist and
0.25kg poly-aspartic-acids mix；
(5) auxiliary material super low temperature：Auxiliary material plus 20kg water are stirred evenly, and stand 12h in -10 DEG C of environment；
(6) road dental calculus is processed：Auxiliary material after super low temperature is heated to 25-30 DEG C with the heating rate of 5 DEG C/min
Insulated and stirred is stirred evenly with major ingredient after auxiliary material melts completely, and is poured into the dental calculus mold of road, is demoulded afterwards for 24 hours, then at
28 days are conserved in 15-20 DEG C of environment to get road dental calculus；
The modification of sepiolite fibre：First 5kg sepiolite fibres are placed in 110-120 DEG C of baking oven and are dried to constant weight, and in
3h is roasted at 450-500 DEG C, after naturally cool to addition 0.5kg hydrogenated rosins pentaerythritol ester and 0.25kg at 135-145 DEG C
Hexamethylolmelamine pregnancy ether insulated and stirred 30min, gained mixture is after cooled to room temperature in 0-5 DEG C of environment
12h is stood, coarse powder finally is made to get modified meerschaum fiber using pulverizer.
Embodiment 2
(1) fine of petroleum coke：Petroleum coke is processed into micro mist of the fineness less than 300 mesh to get stone using micropowder grinding
Oil coke micro mist；
(2) the enhancing cladding of petroleum coke：It is completely soft that petroleum coke micro mist is first heated to surface with the heating rate of 5 DEG C/min
Change, equivalent super fine magnesia is then added under insulated and stirred, is sufficiently mixed, then through cooled to room temperature, and utilizes micro mist
Obtained solid is processed into fineness and coats petroleum coke micro mist less than the micro mist of 300 mesh to get magnesia by mill；
(3) prepared by major ingredient：By sand, 10kg ground granulated blast furnace slags and the mixing of 1kg desulfurization gypsum powders in 25kg mountain flours, 15kg
At；
(4) prepared by auxiliary material：By 10kg portland cements, 2kg sepiolite fibres, 2kg magnesia cladding petroleum coke micro mist and
0.25kg poly-aspartic-acids mix；
(5) auxiliary material super low temperature：Auxiliary material plus 25kg water are stirred evenly, and stand 12h in -10 DEG C of environment；
(6) road dental calculus is processed：Auxiliary material after super low temperature is heated to 25-30 DEG C with the heating rate of 5 DEG C/min
Insulated and stirred is stirred evenly with major ingredient after auxiliary material melts completely, and is poured into the dental calculus mold of road, is demoulded afterwards for 24 hours, then at
28 days are conserved in 15-20 DEG C of environment to get road dental calculus；
The modification of sepiolite fibre：First 5kg sepiolite fibres are placed in 110-120 DEG C of baking oven and are dried to constant weight, and in
3h is roasted at 450-500 DEG C, after naturally cool to addition 0.5kg hydrogenated rosins pentaerythritol ester and 0.25kg at 135-145 DEG C
Hexamethylolmelamine pregnancy ether insulated and stirred 30min, gained mixture is after cooled to room temperature in 0-5 DEG C of environment
12h is stood, coarse powder finally is made to get modified meerschaum fiber using pulverizer.
Embodiment 3
(1) fine of petroleum coke：Petroleum coke is processed into micro mist of the fineness less than 300 mesh to get stone using micropowder grinding
Oil coke micro mist；
(2) the enhancing cladding of petroleum coke：It is completely soft that petroleum coke micro mist is first heated to surface with the heating rate of 5 DEG C/min
Change, equivalent super fine magnesia is then added under insulated and stirred, is sufficiently mixed, then through cooled to room temperature, and utilizes micro mist
Obtained solid is processed into fineness and coats petroleum coke micro mist less than the micro mist of 300 mesh to get magnesia by mill；
(3) prepared by major ingredient：By sand, 10kg ground granulated blast furnace slags and the mixing of 1kg desulfurization gypsum powders in 25kg mountain flours, 15kg
At；
(4) prepared by auxiliary material：By 10kg portland cements, 2kg sepiolite fibres, 2kg magnesia cladding petroleum coke micro mist,
0.25kg poly-aspartic-acids and 0.05kg composite rare-earth oxides mix；
(5) auxiliary material super low temperature：Auxiliary material plus 25kg water are stirred evenly, and stand 12h in -10 DEG C of environment；
(6) road dental calculus is processed：Auxiliary material after super low temperature is heated to 25-30 DEG C with the heating rate of 5 DEG C/min
Insulated and stirred is stirred evenly with major ingredient after auxiliary material melts completely, and is poured into the dental calculus mold of road, is demoulded afterwards for 24 hours, then at
28 days are conserved in 15-20 DEG C of environment to get road dental calculus；
The modification of sepiolite fibre：First 5kg sepiolite fibres are placed in 110-120 DEG C of baking oven and are dried to constant weight, and in
3h is roasted at 450-500 DEG C, after naturally cool to addition 0.5kg hydrogenated rosins pentaerythritol ester and 0.25kg at 135-145 DEG C
Hexamethylolmelamine pregnancy ether insulated and stirred 30min, gained mixture is after cooled to room temperature in 0-5 DEG C of environment
12h is stood, coarse powder finally is made to get modified meerschaum fiber using pulverizer.
The preparation of composite rare-earth oxide：It is dispersed in after 5kg cerous sulfates, 3kg yttrium chlorides and 2kg neodymium carbonates are mixed
It in 30kg water, and is milled to fineness through ball mill and is less than 50 μm, add 2kg 4A molecular screen primary powders, stir evenly, then send
Enter in freeze drier, micro mist is made through micronizer in dry obtained solid, finally in a nitrogen atmosphere, first with 5 DEG C/min
Heating rate rise to 300 DEG C of heat preservation 3h, be further continued for rising to 600 DEG C of heat preservation 8h with the heating rate of 5 DEG C/min to get compound dilute
Native oxide.
Embodiment 4
(1) fine of petroleum coke：Petroleum coke is processed into micro mist of the fineness less than 300 mesh to get stone using micropowder grinding
Oil coke micro mist；
(2) the enhancing cladding of petroleum coke：It is completely soft that petroleum coke micro mist is first heated to surface with the heating rate of 5 DEG C/min
Change, equivalent super fine magnesia is then added under insulated and stirred, is sufficiently mixed, then through cooled to room temperature, and utilizes micro mist
Obtained solid is processed into fineness and coats petroleum coke micro mist less than the micro mist of 300 mesh to get magnesia by mill；
(3) prepared by major ingredient：By sand, 10kg ground granulated blast furnace slags and the mixing of 1kg desulfurization gypsum powders in 25kg mountain flours, 15kg
At；
(4) prepared by auxiliary material：By 10kg portland cements, 2kg sepiolite fibres, 2kg magnesia cladding petroleum coke micro mist,
0.5kg flocculation aids and 0.25kg poly-aspartic-acids mix；
(5) auxiliary material super low temperature：Auxiliary material plus 25kg water are stirred evenly, and stand 12h in -10 DEG C of environment；
(6) road dental calculus is processed：Auxiliary material after super low temperature is heated to 25-30 DEG C with the heating rate of 5 DEG C/min
Insulated and stirred is stirred evenly with major ingredient after auxiliary material melts completely, and is poured into the dental calculus mold of road, is demoulded afterwards for 24 hours, then at
28 days are conserved in 15-20 DEG C of environment to get road dental calculus；
The modification of sepiolite fibre：First 5kg sepiolite fibres are placed in 110-120 DEG C of baking oven and are dried to constant weight, and in
3h is roasted at 450-500 DEG C, after naturally cool to addition 0.5kg hydrogenated rosins pentaerythritol ester and 0.25kg at 135-145 DEG C
Hexamethylolmelamine pregnancy ether insulated and stirred 30min, gained mixture is after cooled to room temperature in 0-5 DEG C of environment
12h is stood, coarse powder finally is made to get modified meerschaum fiber using pulverizer.
The preparation of flocculation aid：Add water after 1kg soil grade polyglutamic acids and 0.5kg N hydroxymethyl acrylamides are mixed
It is completely dissolved, adds 0.05kg potassium peroxydisulfate saturated aqueous solutions, and dilution heat of sulfuric acid regulation system pH value is added dropwise to 4-5, so
After be heated to the reaction of reflux state insulated and stirred, wait for that gained mixture being sent into spray dryer after reaction, dry institute
It obtains particle and micro mist is made to get flocculation aid through micronizer.
Embodiment 5
(1) fine of petroleum coke：Petroleum coke is processed into micro mist of the fineness less than 300 mesh to get stone using micropowder grinding
Oil coke micro mist；
(2) the enhancing cladding of petroleum coke：It is completely soft that petroleum coke micro mist is first heated to surface with the heating rate of 5 DEG C/min
Change, equivalent super fine magnesia is then added under insulated and stirred, is sufficiently mixed, then through cooled to room temperature, and utilizes micro mist
Obtained solid is processed into fineness and coats petroleum coke micro mist less than the micro mist of 300 mesh to get magnesia by mill；
(3) prepared by major ingredient：By sand, 10kg ground granulated blast furnace slags and the mixing of 1kg desulfurization gypsum powders in 25kg mountain flours, 15kg
At；
(4) prepared by auxiliary material：By 10kg portland cements, 2kg sepiolite fibres, 2kg magnesia cladding petroleum coke micro mist,
0.5kg flocculation aids, 0.25kg poly-aspartic-acids and 0.05kg composite rare-earth oxides mix；
(5) auxiliary material super low temperature：Auxiliary material plus 25kg water are stirred evenly, and stand 12h in -10 DEG C of environment；
(6) road dental calculus is processed：Auxiliary material after super low temperature is heated to 25-30 DEG C with the heating rate of 5 DEG C/min
Insulated and stirred is stirred evenly with major ingredient after auxiliary material melts completely, and is poured into the dental calculus mold of road, is demoulded afterwards for 24 hours, then at
28 days are conserved in 15-20 DEG C of environment to get road dental calculus；
The modification of sepiolite fibre：First 5kg sepiolite fibres are placed in 110-120 DEG C of baking oven and are dried to constant weight, and in
3h is roasted at 450-500 DEG C, after naturally cool to addition 0.5kg hydrogenated rosins pentaerythritol ester and 0.25kg at 135-145 DEG C
Hexamethylolmelamine pregnancy ether insulated and stirred 30min, gained mixture is after cooled to room temperature in 0-5 DEG C of environment
12h is stood, coarse powder finally is made to get modified meerschaum fiber using pulverizer.
The preparation of flocculation aid：Add water after 1kg soil grade polyglutamic acids and 0.5kg N hydroxymethyl acrylamides are mixed
It is completely dissolved, adds 0.05kg potassium peroxydisulfate saturated aqueous solutions, and dilution heat of sulfuric acid regulation system pH value is added dropwise to 4-5, so
After be heated to the reaction of reflux state insulated and stirred, wait for that gained mixture being sent into spray dryer after reaction, dry institute
It obtains particle and micro mist is made to get flocculation aid through micronizer.
The preparation of composite rare-earth oxide：It is dispersed in after 5kg cerous sulfates, 3kg yttrium chlorides and 2kg neodymium carbonates are mixed
It in 30kg water, and is milled to fineness through ball mill and is less than 50 μm, add 2kg 4A molecular screen primary powders, stir evenly, then send
Enter in freeze drier, micro mist is made through micronizer in dry obtained solid, finally in a nitrogen atmosphere, first with 5 DEG C/min
Heating rate rise to 300 DEG C of heat preservation 3h, be further continued for rising to 600 DEG C of heat preservation 8h with the heating rate of 5 DEG C/min to get compound dilute
Native oxide.
Reference examples 1
(1) fine of petroleum coke：Petroleum coke is processed into micro mist of the fineness less than 300 mesh to get stone using micropowder grinding
Oil coke micro mist；
(2) the enhancing cladding of petroleum coke：It is completely soft that petroleum coke micro mist is first heated to surface with the heating rate of 5 DEG C/min
Change, equivalent super fine magnesia is then added under insulated and stirred, is sufficiently mixed, then through cooled to room temperature, and utilizes micro mist
Obtained solid is processed into fineness and coats petroleum coke micro mist less than the micro mist of 300 mesh to get magnesia by mill；
(3) prepared by major ingredient：It is mixed by sand, 5kg ground granulated blast furnace slags and 1kg desulfurization gypsum powders in 20kg mountain flours, 10kg；
(4) prepared by auxiliary material：By 8kg portland cements, 3kg sepiolite fibres, the cladding petroleum coke micro mist mixing of 2kg magnesia
It forms；
(5) auxiliary material super low temperature：Auxiliary material plus 20kg water are stirred evenly, and stand 12h in -10 DEG C of environment；
(6) road dental calculus is processed：Auxiliary material after super low temperature is heated to 25-30 DEG C with the heating rate of 5 DEG C/min
Insulated and stirred is stirred evenly with major ingredient after auxiliary material melts completely, and is poured into the dental calculus mold of road, is demoulded afterwards for 24 hours, then at
28 days are conserved in 15-20 DEG C of environment to get road dental calculus；
The modification of sepiolite fibre：First 5kg sepiolite fibres are placed in 110-120 DEG C of baking oven and are dried to constant weight, and in
3h is roasted at 450-500 DEG C, after naturally cool to addition 0.5kg hydrogenated rosins pentaerythritol ester and 0.25kg at 135-145 DEG C
Hexamethylolmelamine pregnancy ether insulated and stirred 30min, gained mixture is after cooled to room temperature in 0-5 DEG C of environment
12h is stood, coarse powder finally is made to get modified meerschaum fiber using pulverizer.
Reference examples 2
(1) fine of petroleum coke：Petroleum coke is processed into micro mist of the fineness less than 300 mesh to get stone using micropowder grinding
Oil coke micro mist；
(2) the enhancing cladding of petroleum coke：It is completely soft that petroleum coke micro mist is first heated to surface with the heating rate of 5 DEG C/min
Change, equivalent super fine magnesia is then added under insulated and stirred, is sufficiently mixed, then through cooled to room temperature, and utilizes micro mist
Obtained solid is processed into fineness and coats petroleum coke micro mist less than the micro mist of 300 mesh to get magnesia by mill；
(3) prepared by major ingredient：It is mixed by sand, 5kg ground granulated blast furnace slags and 1kg desulfurization gypsum powders in 20kg mountain flours, 10kg；
(4) prepared by auxiliary material：By 8kg portland cements, 3kg sepiolite fibres, 2kg magnesia cladding petroleum coke micro mist and
0.25kg poly-aspartic-acids mix；
(5) auxiliary material super low temperature：Auxiliary material plus 20kg water are stirred evenly, and stand 12h in -10 DEG C of environment；
(6) road dental calculus is processed：Auxiliary material after super low temperature is heated to 25-30 DEG C with the heating rate of 5 DEG C/min
Insulated and stirred is stirred evenly with major ingredient after auxiliary material melts completely, and is poured into the dental calculus mold of road, is demoulded afterwards for 24 hours, then at
28 days are conserved in 15-20 DEG C of environment to get road dental calculus；
Reference examples 3
(1) fine of petroleum coke：Petroleum coke is processed into micro mist of the fineness less than 300 mesh to get stone using micropowder grinding
Oil coke micro mist；
(2) prepared by major ingredient：It is mixed by sand, 5kg ground granulated blast furnace slags and 1kg desulfurization gypsum powders in 20kg mountain flours, 10kg；
(3) prepared by auxiliary material：By 8kg portland cements, 3kg sepiolite fibres, 2kg petroleum cokes micro mist and the poly- Tianmens 0.25kg
Winter propylhomoserin mixes；
(4) auxiliary material super low temperature：Auxiliary material plus 20kg water are stirred evenly, and stand 12h in -10 DEG C of environment；
(5) road dental calculus is processed：Auxiliary material after super low temperature is heated to 25-30 DEG C with the heating rate of 5 DEG C/min
Insulated and stirred is stirred evenly with major ingredient after auxiliary material melts completely, and is poured into the dental calculus mold of road, is demoulded afterwards for 24 hours, then at
28 days are conserved in 15-20 DEG C of environment to get road dental calculus；
The modification of sepiolite fibre：First 5kg sepiolite fibres are placed in 110-120 DEG C of baking oven and are dried to constant weight, and in
3h is roasted at 450-500 DEG C, after naturally cool to addition 0.5kg hydrogenated rosins pentaerythritol ester and 0.25kg at 135-145 DEG C
Hexamethylolmelamine pregnancy ether insulated and stirred 30min, gained mixture is after cooled to room temperature in 0-5 DEG C of environment
12h is stood, coarse powder finally is made to get modified meerschaum fiber using pulverizer.
Reference examples 4
(1) fine of petroleum coke：Petroleum coke is processed into micro mist of the fineness less than 300 mesh to get stone using micropowder grinding
Oil coke micro mist；
(2) the enhancing cladding of petroleum coke：It is completely soft that petroleum coke micro mist is first heated to surface with the heating rate of 5 DEG C/min
Change, equivalent super fine magnesia is then added under insulated and stirred, is sufficiently mixed, then through cooled to room temperature, and utilizes micro mist
Obtained solid is processed into fineness and coats petroleum coke micro mist less than the micro mist of 300 mesh to get magnesia by mill；
(3) prepared by major ingredient：It is mixed by sand, 5kg ground granulated blast furnace slags and 1kg desulfurization gypsum powders in 20kg mountain flours, 10kg；
(4) prepared by auxiliary material：By 8kg portland cements, 3kg sepiolite fibres, 1kg petroleum cokes micro mist, 1kg super fine magnesias
It is mixed with 0.25kg poly-aspartic-acids；
(5) auxiliary material super low temperature：Auxiliary material plus 20kg water are stirred evenly, and stand 12h in -10 DEG C of environment；
(6) road dental calculus is processed：Auxiliary material after super low temperature is heated to 25-30 DEG C with the heating rate of 5 DEG C/min
Insulated and stirred is stirred evenly with major ingredient after auxiliary material melts completely, and is poured into the dental calculus mold of road, is demoulded afterwards for 24 hours, then at
28 days are conserved in 15-20 DEG C of environment to get road dental calculus；
The modification of sepiolite fibre：First 5kg sepiolite fibres are placed in 110-120 DEG C of baking oven and are dried to constant weight, and in
3h is roasted at 450-500 DEG C, after naturally cool to addition 0.5kg hydrogenated rosins pentaerythritol ester and 0.25kg at 135-145 DEG C
Hexamethylolmelamine pregnancy ether insulated and stirred 30min, gained mixture is after cooled to room temperature in 0-5 DEG C of environment
12h is stood, coarse powder finally is made to get modified meerschaum fiber using pulverizer.
Reference examples 5
(1) fine of petroleum coke：Petroleum coke is processed into micro mist of the fineness less than 300 mesh to get stone using micropowder grinding
Oil coke micro mist；
(2) the enhancing cladding of petroleum coke：It is completely soft that petroleum coke micro mist is first heated to surface with the heating rate of 5 DEG C/min
Change, equivalent super fine magnesia is then added under insulated and stirred, is sufficiently mixed, then through cooled to room temperature, and utilizes micro mist
Obtained solid is processed into fineness and coats petroleum coke micro mist less than the micro mist of 300 mesh to get magnesia by mill；
(3) prepared by major ingredient：It is mixed by sand, 5kg ground granulated blast furnace slags and 1kg desulfurization gypsum powders in 20kg mountain flours, 10kg；
(4) prepared by auxiliary material：By 8kg portland cements, 3kg sepiolite fibres, 2kg magnesia cladding petroleum coke micro mist and
0.25kg poly-aspartic-acids mix；
(5) road dental calculus is processed：Auxiliary material and major ingredient are stirred evenly, and are poured into the dental calculus mold of road, is demoulded afterwards for 24 hours, then
28 days are conserved in 15-20 DEG C of environment to get road dental calculus；
The modification of sepiolite fibre：First 5kg sepiolite fibres are placed in 110-120 DEG C of baking oven and are dried to constant weight, and in
3h is roasted at 450-500 DEG C, after naturally cool to addition 0.5kg hydrogenated rosins pentaerythritol ester and 0.25kg at 135-145 DEG C
Hexamethylolmelamine pregnancy ether insulated and stirred 30min, gained mixture is after cooled to room temperature in 0-5 DEG C of environment
12h is stood, coarse powder finally is made to get modified meerschaum fiber using pulverizer.
Embodiment 6
Be arranged do not add poly-aspartic-acid reference examples 1, not to sepiolite fibre be modified processing reference examples 2,
The reference examples 3 of enhancing cladding processing are not carried out to petroleum coke, magnesia packet is substituted with equivalent petroleum coke micro mist and super fine magnesia
It covers the reference examples 4 of petroleum coke micro mist, carry out the reference examples 5 of super low temperature to auxiliary material.
Be utilized respectively embodiment 1-5, reference examples 1-5 processing prepares the road dental calculus of same specification, wherein all corresponding preparations
Raw material all selects the same batch of product that same factory produces.To the compression strength and tensile strength (GB/ of made road dental calculus
T50081-2016 it) is tested, test result is as shown in table 1.
The compression strength and tensile strength test result of the 1 made road dental calculus of the present invention of table
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, 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 (9)
1. a kind of doping sepiolite fibre is to improve the road dental calculus processing method of intensity, which is characterized in that include the following steps：
(1) fine of petroleum coke：Petroleum coke is processed into micro mist of the fineness less than 300 mesh to get petroleum coke using micropowder grinding
Micro mist；
(2) the enhancing cladding of petroleum coke：Petroleum coke micro mist is first heated to surface with the heating rate of 5 DEG C/min completely to soften,
Then equivalent super fine magnesia is added under insulated and stirred, is sufficiently mixed, then through cooled to room temperature, and will using micropowder grinding
Obtained solid is processed into fineness and coats petroleum coke micro mist less than the micro mist of 300 mesh to get magnesia；
(3) prepared by major ingredient：It is mixed by mountain flour, middle sand, ground granulated blast furnace slag and desulfurization gypsum powder；
(4) prepared by auxiliary material：It is mixed by portland cement, sepiolite fibre, magnesia cladding petroleum coke micro mist and poly-aspartic-acid
It closes；
(5) auxiliary material super low temperature：Auxiliary material plus water are stirred evenly, and stand 12h in -10 DEG C of environment；
(6) road dental calculus is processed：Auxiliary material after super low temperature is heated to 25-30 DEG C of heat preservation with the heating rate of 5 DEG C/min
Stirring is stirred evenly with major ingredient after auxiliary material melts completely, and is poured into the dental calculus mold of road, is demoulded afterwards for 24 hours, then at 15-20
28 days are conserved to get road dental calculus in DEG C environment；
The sepiolite fibre passes through modification, and specific method of modifying is：Sepiolite fibre is first placed in 110-120 DEG C of baking
It is dried to constant weight in case, and 2-3h is roasted at 450-500 DEG C, after naturally cool to addition hydrogenated rosin season at 135-145 DEG C
Doutrate and hexamethylolmelamine pregnancy ether insulated and stirred 15-30min, gained mixture is after cooled to room temperature
8-12h is stood in 0-5 DEG C of environment, and coarse powder finally is made to get modified meerschaum fiber using pulverizer.
2. doping sepiolite fibre according to claim 1 is to improve the road dental calculus processing method of intensity, it is characterised in that：
The mass ratio of the sepiolite fibre, hydrogenated rosin pentaerythritol ester and hexamethylolmelamine pregnancy ether is 1-5:0.25-
1:0.05-0.5。
3. doping sepiolite fibre according to claim 1 is to improve the road dental calculus processing method of intensity, it is characterised in that：
The mountain flour, middle sand, ground granulated blast furnace slag, desulfurization gypsum powder, portland cement, sepiolite fibre, magnesia cladding petroleum coke are micro-
Powder, poly-aspartic-acid, water mass ratio be 20-30:10-15:5-10:1-5:5-10:1-5:1-5:0.25-0.5:15-25.
4. doping sepiolite fibre according to claim 1 is to improve the road dental calculus processing method of intensity, it is characterised in that：
The auxiliary material further includes flocculation aid, and the mass ratio of flocculation aid and portland cement is 0.25-1:5-10.
5. doping sepiolite fibre according to claim 4 is to improve the road dental calculus processing method of intensity, it is characterised in that：
The flocculation aid is made of soil grade polyglutamic acid and N hydroxymethyl acrylamide, and preparation method is：By soil grade poly
After glutamic acid and N hydroxymethyl acrylamide mixing plus water is completely dissolved, and adds potassium peroxydisulfate saturated aqueous solution, and be added dropwise dilute
Sulfuric acid solution regulation system pH value is then heated to the reaction of reflux state insulated and stirred, waits for after reaction mixing gained to 4-5
It closes object to be sent into spray dryer, micro mist is made to get flocculation aid through micronizer in dry gained particle.
6. doping sepiolite fibre according to claim 5 is to improve the road dental calculus processing method of intensity, it is characterised in that：
The soil grade polyglutamic acid, N hydroxymethyl acrylamide, potassium peroxydisulfate saturated aqueous solution mass ratio be 5-10:5-10:
0.5-1。
7. doping sepiolite fibre according to claim 1 is to improve the road dental calculus processing method of intensity, it is characterised in that：
The auxiliary material further includes composite rare-earth oxide, and the mass ratio of composite rare-earth oxide and portland cement is 0.05-0.25:5-
10。
8. doping sepiolite fibre according to claim 7 is to improve the road dental calculus processing method of intensity, it is characterised in that：
The composite rare-earth oxide is made of cerous sulfate, yttrium chloride, neodymium carbonate and 4A molecular screen primary powders, and preparation method is：By sulphur
It is dispersed in water after sour cerium, yttrium chloride and neodymium carbonate mixing, and is milled to fineness through ball mill and is less than 50 μm, add 4A
Molecular screen primary powder stirs evenly, and is then fed into freeze drier, and micro mist is made through micronizer in dry obtained solid, most
Afterwards in a nitrogen atmosphere, 300 DEG C of heat preservation 3h are first risen to the heating rate of 5 DEG C/min, be further continued for the heating rate of 5 DEG C/min
600 DEG C of heat preservation 8h are risen to get composite rare-earth oxide.
9. doping sepiolite fibre according to claim 8 is to improve the road dental calculus processing method of intensity, it is characterised in that：
The cerous sulfate, yttrium chloride, neodymium carbonate, water, 4A molecular screen primary powders mass ratio be 5:3:2:20-30:1-3.
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