CN104986959A - Glass bead for road traffic reflective marker and preparing method thereof - Google Patents

Abstract

The invention discloses a glass bead for a road traffic reflective marker and a preparing method thereof. The glass bead is prepared from, by weight, 43-59 parts of desert sand, 24-38 parts of amazon stone, 17-26 parts of volcanic ash, 12-23 parts of coal gangue, 16-28 parts of fluorite mine slag, 23-35 parts of silica fume, 19-27 parts of titanaugite, 4-8 parts of calcium oxalate, 3-6 parts of yttrium nitrate, 2.5-4.5 parts of sodium potassium tartrate tetrahydrate, 3-5 parts of coke dust, 4-6 parts of aluminum sulfate, and 7-9 parts of additive. The prepared glass bead is excellent and stable in performance, high in yield, high in refraction index, good in reflection effect, high in strength and resistant to high temperature, oxidation and corrosion. The glass bead can absolutely be applied to the road traffic reflective marker.

Description

A kind of glass microballon for road traffic reflector marking and preparation method thereof

Technical field

The present invention relates to a kind of glass microballon for road traffic reflector marking and preparation method thereof, belong to glass microballon and manufacture field.

Background technology

A kind of of many uses, a kind of type material that performance is special that glass microballon is that development in recent years is got up, be the small hollow glass spheroid of a kind of size, belong to ceramic.Glass microballon is the main raw material manufacturing light reflecting material, can be widely used in the field light reflecting materials such as highway, railway, airport, harbour, sea transport, mine, tunnel, fire-fighting, urban construction.Along with China is to the increasing of infrastructure construction dynamics of investment, the demand of glass microballon is increasing, simultaneously also more and more higher to the performance requriements of glass microballon.Current China only has minority producer to grasp the production technology of high refractive index glass micro pearl, and its product performance are very unstable, finished product rate variance, cannot be applied to road traffic reflector marking.

Summary of the invention

Of the present inventionly be for the deficiencies in the prior art, glass microballon for road traffic reflector marking of a kind of high-performance, high stable, high rate of finished products and preparation method thereof is provided.

For achieving the above object, the technical solution used in the present invention is as follows:

For a glass microballon for road traffic reflector marking, be made up of the raw material of following weight part: Desert Sand 43-59, amazonite 24-38, volcanic ash 17-26, coal gangue 12-23, Fluorite slag 16-28, silicon ash 23-35, titanaugite 19-27, caoxalate 4-8, Yttrium trinitrate 3-6, Seignette salt 2.5-4.5, coke powder 3-5, Tai-Ace S 150 4-6, additive 7-9;

Described additive is mixed by the raw material of following weight part: dysprosium oxide 2-3, nanometer palygorskite 4-6, ceric hydroxide 3-4, antimonous acid anhydride 5-8, barium molybdate 6-12, sodium wolframate 4-7, Bismuth Subcarbonate 8-14, titanium sponge 3-5, antimony sulfide 2-4, zinc selenide 2-3.

For a preparation method for the glass microballon of road traffic reflector marking, comprise the following steps:

(1) Desert Sand, amazonite, coal gangue, Fluorite slag and titanaugite are mixed, be positioned in microwave baking furnace, first at the H of 1.5-2.5MPa ₂under atmosphere, when microwave heating is to 470-490 DEG C, insulation 12-16min, air-cooled to normal temperature, then at the N of 1-2MPa ₂under atmosphere, when microwave heating is to 450-470 DEG C, insulation 14-18min, air cooling to normal temperature, then under the Ar atmosphere of 3-4MPa, when microwave heating is to 465-485 DEG C, insulation 10-15min, take out, air cooling, to normal temperature, is pulverized, cross 100-150 mesh sieve, add appropriate water stirring and make the suspension that concentration is 45-50%, 3000-4000r/min speed lapping 10-15min, is delivered to after grinding in spray-drying tower and is spray dried to powder at 125-145 DEG C of temperature;

(2) powder obtained by above-mentioned spraying dry mixes with volcanic ash, silicon ash, caoxalate, is added in electrolytic furnace, is heated to material and all melts, then add remaining raw material, stir 5-7min, then leave standstill 10-15min, blanking;

(3) by under the fused solution that goes out put into clear water and carry out shrend, by de-for moisture content dry after, put into dryer and dry, then by dry the glass particle material that obtains by fragmentation, screening, balling-up, again sieve, wash, dry after, formation glass microballon product.

Beneficial effect of the present invention:

The glass microballon superior performance that the present invention obtains is stablized, and the characteristics such as yield rate is high, not only has higher specific refractory power, and reflecting effect is good, also has intensity high, high temperature resistant, anti-oxidant, corrosion-resistant, can be applied in road traffic reflector marking completely.

Embodiment

For a glass microballon for road traffic reflector marking, be made up of the raw material of following weight (kg): Desert Sand 52, amazonite 34, volcanic ash 22, coal gangue 19, Fluorite slag 23, silicon ash 31, titanaugite 24, caoxalate 6, Yttrium trinitrate 4, Seignette salt 3.5, coke powder 4, Tai-Ace S 150 5, additive 8;

Described additive is mixed by the raw material of following weight (kg): dysprosium oxide 2, nanometer palygorskite 4, ceric hydroxide 3, antimonous acid anhydride 5, barium molybdate 6, sodium wolframate 4, Bismuth Subcarbonate 8, titanium sponge 3, antimony sulfide 2, zinc selenide 2.

For a preparation method for the glass microballon of road traffic reflector marking, comprise the following steps:

(1) Desert Sand, amazonite, coal gangue, Fluorite slag and titanaugite are mixed, be positioned in microwave baking furnace, first at the H of 2MPa ₂under atmosphere, during microwave heating to 480 DEG C, insulation 14min, air-cooled to normal temperature, then at the N of 1.5MPa ₂under atmosphere, during microwave heating to 460 DEG C, insulation 16min, air cooling to normal temperature, then under the Ar atmosphere of 3MPa, during microwave heating to 475 DEG C, insulation 12min, take out, air cooling, to normal temperature, is pulverized, cross 120 mesh sieves, add appropriate water stirring and make the suspension that concentration is 45-50%, 3500r/min speed lapping 12min, is delivered to after grinding in spray-drying tower and is spray dried to powder at 135 DEG C of temperature;

(2) powder obtained by above-mentioned spraying dry mixes with volcanic ash, silicon ash, caoxalate, is added in electrolytic furnace, is heated to material and all melts, then add remaining raw material, stir 6min, then leave standstill 13min, blanking;

(3) by under the fused solution that goes out put into clear water and carry out shrend, by de-for moisture content dry after, put into dryer and dry, then by dry the glass particle material that obtains by fragmentation, screening, balling-up, again sieve, wash, dry after, formation glass microballon product.

The Refractive Index of Glass Microspheres adopting above-described embodiment to prepare is 1.98, and roundness is 99%, and ultimate compression strength is 12MPa, heat-drawn wire 1250 DEG C.

Claims (2)

1. the glass microballon for road traffic reflector marking, it is characterized in that, be made up of the raw material of following weight part: Desert Sand 43-59, amazonite 24-38, volcanic ash 17-26, coal gangue 12-23, Fluorite slag 16-28, silicon ash 23-35, titanaugite 19-27, caoxalate 4-8, Yttrium trinitrate 3-6, Seignette salt 2.5-4.5, coke powder 3-5, Tai-Ace S 150 4-6, additive 7-9;

Described additive is mixed by the raw material of following weight part: dysprosium oxide 2-3, nanometer palygorskite 4-6, ceric hydroxide 3-4, antimonous acid anhydride 5-8, barium molybdate 6-12, sodium wolframate 4-7, Bismuth Subcarbonate 8-14, titanium sponge 3-5, antimony sulfide 2-4, zinc selenide 2-3.

2., as claimed in claim 1 for a preparation method for the glass microballon of road traffic reflector marking, it is characterized in that comprising the following steps:

(1) Desert Sand, amazonite, coal gangue, Fluorite slag and titanaugite are mixed, be positioned in microwave baking furnace, first at the H of 1.5-2.5MPa ₂under atmosphere, when microwave heating is to 470-490 DEG C, insulation 12-16min, air-cooled to normal temperature, then at the N of 1-2MPa ₂under atmosphere, when microwave heating is to 450-470 DEG C, insulation 14-18min, air cooling to normal temperature, then under the Ar atmosphere of 3-4MPa, when microwave heating is to 465-485 DEG C, insulation 10-15min, take out, air cooling, to normal temperature, is pulverized, cross 100-150 mesh sieve, add appropriate water stirring and make the suspension that concentration is 45-50%, 3000-4000r/min speed lapping 10-15min, is delivered to after grinding in spray-drying tower and is spray dried to powder at 125-145 DEG C of temperature;

(2) powder obtained by above-mentioned spraying dry mixes with volcanic ash, silicon ash, caoxalate, is added in electrolytic furnace, is heated to material and all melts, then add remaining raw material, stir 5-7min, then leave standstill 10-15min, blanking;

(3) by under the fused solution that goes out put into clear water and carry out shrend, by de-for moisture content dry after, put into dryer and dry, then by dry the glass particle material that obtains by fragmentation, screening, balling-up, again sieve, wash, dry after, formation glass microballon product.