CN102417291A - Glass microballoon manufacturing device and preparation method thereof - Google Patents
Glass microballoon manufacturing device and preparation method thereof Download PDFInfo
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- CN102417291A CN102417291A CN2011102585961A CN201110258596A CN102417291A CN 102417291 A CN102417291 A CN 102417291A CN 2011102585961 A CN2011102585961 A CN 2011102585961A CN 201110258596 A CN201110258596 A CN 201110258596A CN 102417291 A CN102417291 A CN 102417291A
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- microballon
- furnace body
- heater
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/10—Forming beads
- C03B19/109—Glass-melting furnaces specially adapted for making beads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The invention discloses a glass microballoon manufacturing device comprising a furnace body (1) and a waste gas treatment device, wherein the furnace body (1) is formed by air-tight connection of an upper part and a lower part, the upper part of the furnace body is of a cubic shape, a waste gas emission port (4) is arranged at the top of the upper part, one or more injection-type burners (2) are horizontally installed on the side of the upper part, a preheating air pipe (14) is arranged in the upper part, the lower part of the furnace body is of a square conical shape, and one or more microballoon collectors (3) are arranged at the bottom of the lower part. According to the glass microballoon manufacturing device and the preparation method thereof provided by the invention, the furnace body which adopts the cubic structure enlarges the cooling space; the horizontally installed injection-type burners and the preheating air pipe arranged in the furnace body can give full play to the heat value of fuel, thus reducing energy source waste, saving energy and reducing emission; TiO2 and Al2O3 with relatively lower costs are adopted, the refractive index of the product is greater than or equal to 1.93; and the glass microballoon manufacturing device and the preparation method thereof have the advantages of reducing devitrification, improving the cooling velocity, having good product quality, improving the utilization ratio of raw material, being capable of large-scale production, and the like.
Description
Technical field
The present invention relates to a kind of glass microballon manufacturing installation and preparation method thereof.
Background technology
High refractive index glass micro pearl is a requisite interpolation material in the regression equation light reflecting material; The regression equation light reflecting material utilizes the distinctive optical property of high refractive index glass micro pearl; Be about to penetrate the light that comes and reflect, and remain in the little pyramid to light source direction by light source.At present; The regression equation light reflecting material major part of domestic use is from Minnesota Mining and Manufacturing Company's import; High refractive index glass micro pearl has only several families to adopt the production of platinum crucible scorification in China; Its product technology parameter is very unstable, and facility investment is big, power consumption is high, the finished product stability is low, is difficult to large-scale mass production.
CN1396130A has introduced a kind of glass microballon apparatus for continously production, and it mainly comprises microballon firing furnace, microballon scoop and exhaust processor, during its microballon firing furnace is divided into following three sections; The mode that burner nozzle is positioned at the upper end and takes wide-angle tilt to install downwards, microballon presoma powder under the dual function of flame and self gravitation, has quickened the falling velocity of microballon after getting into furnace chamber; Improved speed of cooling; Avoided the crystallization phenomenon, but be unfavorable for scale operation, under the too big situation of charging capacity; A lot of raw material have little time to take place thermal response just by carried away by air movement; Shortcomings such as the raw material that have in the subsequent handling are more, and the raw material in the finished product are more, and product qualified rate is low.
CN86107294A has introduced a kind of glass microballon manufacturing installation, and it mainly comprises powder container, burner, microballon scoop, isolates cylindrical shell, flare system, and the exhaust outlet of wherein isolating on the cylindrical shell is located at the burner below; Be positioned on the lower sides of body of heater; The top that isolates cylindrical shell is provided with adjustable blast inlet, and in order to regulate intravital air-flow of tube and temperature, therefore the intravital air flow line of tube is from top to bottom; Cause more raw material before thermal response does not take place, just to get in the microballon scoop; Make the quality of product decline to a great extent, the cooling apparatus that this body of heater has no scabs easy formation of inboard wall of furnace body; Has poor product quality, shortcoming such as production efficiency is low.
At present, domestic most manufacturers all adopt the platinum crucible working system to produce glass of high refractive index raw material, every this frit of production 50Kg; Need with the platinum crucible about 8～10Kg, through several hours heating, its platinum loss of one ton of frit of every production was up to 8～10% under several kilowatts molybdenum electrode; Production cost is quite expensive; Yield poorly, satisfied not the demand of existing market, when the demand specific refractory power is 1.93 glass microballon; Often be employed in a large amount of specific refractory power of adding in the glass ingredient and surpass 1.93 oxide component, the normal raw material that adds comprises PbO, Bi
2O
3, TeO
2And rare earth oxide, reduce SiO simultaneously
2, K
2O, Na
2Low-refraction oxide contents such as O, in industrial production, Pb
2+Poisonous, do not meet environmental requirement, Bi
2O
3, TeO
2Cost an arm and a leg with rare earth oxide, be not suitable for, and the scope of formation glass is extremely narrow again, is not suitable for suitability for industrialized production as frit.
Summary of the invention
The object of the invention promptly is to overcome the deficiency of prior art, and a kind of minimizing crystallization is provided, and improves speed of cooling, ability scale operation; Production efficiency is high, good product quality, and power and energy consumes less; Specific refractory power can reach 1.93, and production cost is lower, a kind of glass microballon manufacturing installation of environmental protection.
The objective of the invention is to realize through following technical scheme: a kind of glass microballon manufacturing installation, it comprises body of heater and exhaust processor, body of heater is tightly connected and is formed by one or more upper of furnace body branches, one or more bodies of heater lower section; The upper of furnace body branch is cubic type, and its top is provided with Waste gas outlet, and the side is provided with one or more injecting combustors; Be provided with view port, maintenance access with this side adjacent facets and near the cooling water outlet at top; Inside is provided with the preheating airduct, the side's of the being taper of body of heater lower section, and its bottom is provided with one or more microballon scoops; Two sides are equipped with the cooling water inlet; One flank side surface also is provided with blast inlet, is equipped with cooling water jecket on the upper and lower two-part outer wall of body of heater, and exhaust processor comprises cyclonic separator, fly-ash separator and the blower fan that links to each other successively through corresponding pipeline; Cyclonic separator links to each other with Waste gas outlet, and described spraying burner level is installed on the medullary ray of upper of furnace body side.
A kind of glass microballon preparation method, it may further comprise the steps:
(1) by following component and weight percent preparation raw material: TiO
225～45%, SiO
25～25%, BaCO
310～50%, Ba (NO
3)
25～25%, Al
2O
31～7%, CaCO
31～5%, B
2O
30.1～2%, Na
2O0～3%;
(2) the raw material thorough mixing for preparing is even, through feed mechanism it is sent in the glass melting kiln body and carries out melting, smelting temperature is 1300～1400 ℃, smelting time is 17～24 hours;
(3) the uniform glass melt of melting is sent into the cooling basin through vomit pipe, water temperature is controlled at 20～40 ℃ in the cooling basin, and glass melt sharply is cooled to below 800 ℃, forms shrend glass;
(4) the shrend glass that obtains is dried in drying unit, bake out temperature is 400～600 ℃, and drying time is 30～60 minutes;
(5) the shrend glass after the oven dry is pulverized through the air-flow grinding machine, pulverizes the back and forms the glass microballon powder, utilizes straight line shaker that it is carried out roughly classification then, and wherein, larger particles returns and continues to pulverize, and the glass microballon powder is melt into pearl through the moulding stove;
(6) at room temperature the glass microballoon after the moulding is carried out pickling with glacial acetic acid; The control pH value is 2～3; The impurity on glass microballoon surface is removed in pickling 15～30 minutes, and being washed to pH value then is 7; Under 400～600 ℃ of conditions, dried by the fire 40～60 minutes again; Up to oven dry, utilize shimmy sieve that glass microballoon is sieved then, at last it is carried out surface treatment; Eliminate static, increase its flowability;
(7) detect, when recording its specific refractory power>=1.93, devitrification rate≤3%, two pearl rates≤2%, bubble pearl≤2%, roundness>=98% o'clock promptly obtains the glass microballon finished product.
The invention has the beneficial effects as follows: the present invention provides a kind of glass microballon manufacturing installation,
(1) the present invention adopts level that atomizer burner is installed; Make microballon presoma powder under the injection of injector high-speed flame, get into body of heater; Under the effect of self gravitation, get into the low-temperature space cooling; Get into the microballon gatherer at last; Add circulating water cooling device in the body of heater outside; Prevented that effectively powder from furnace chamber inwall fused deposition, having reduced the crystallization phenomenon, improved cooling velocity;
(2) the present invention adopts the high-speed flame injection glass powder of burner on bead-forming process, has avoided the employing powder coating process; Thereby reduce the consumption of power and energy, glass powder is brought in the flame, thereby glass powder is fully disperseed in flame through the high-speed flame of burner; Well heated, under 1200 ℃ of pyritous flames, glass powder utilizes the surface tension balling-up of self; Be cooled to the lower limit of recrystallization temperature rapidly; Glass particle after the balling-up is along with air-flow gets in the scoop, and the horizontal torch firing technology of glass microballon has remedied the shortcoming that conventional vertical nodularization Forming Quality is unstable and yield in unit time is low, energy consumption is high; Guaranteed special glass microballon quality product, be produced on a large scale;
(3) the present invention can give full play to the calorific value of fuel effectively to the preheating of air of high pressure positive blower generation at body of heater set inside warm-up cycle pipe, reduces the waste of the energy, energy-saving and emission-reduction;
(4) the present invention is provided with air inlet in the body of heater bottom; Be provided with Waste gas outlet in upper of furnace body; Make the interior whole air-flow of body of heater from down to up, can bring the raw material that do not have enough time to react in the waste gas treatment process into, accomplish to recycle; Body of heater adopts the cube body of heater; Furnace space strengthens, and inventory strengthens, and cooling space increases; Effectively avoid crystallization, can enhance productivity to greatest extent;
(5) flare system of the present invention's employing can effectively be caught microballon and the powder that does not get in the microballon separator, has the raising utilization ratio of raw materials, reduces dust, protection environment, protection production scene personnel's advantages such as safety;
(6) the present invention adopts continous way blowing technology, has broken the bottleneck that the sector is produced at the interval type of glass microballon powder material, is produced on a large scale;
(7) the present invention has uniqueness and practicality at technical elements such as pay-off, heating unit, cooling annealing devices; Can effectively guarantee rigidity, flow velocity, length, the temperature of special glass powder nodularization flame; Reach the stability, the consistence that guarantee the nodularization of glass microballon powder; The burning e Foerderanlage is provided with special-purpose combustion channels, can realize effective adjusting and the relative velocity of feed glass microballon powder in fuel to air, oxygen, combustion gas, and pair air heating system that heats up is in advance arranged; Can give full play to the calorific value of fuel; With fuel thorough mixing, the nodularization that guarantees that special glass powder and nodularization are used, reduce the waste of the energy, reach the purpose of energy-saving and emission-reduction;
(8) do not contain harmful material lead in the feed composition of the present invention, adopt the relatively low TiO of cost
2And Al
2O
3, reducing production costs, the product specific refractory power can be met the need of market more than or equal to 1.93;
(9) the present invention is employed in the burning e Foerderanlage and establishes special-purpose combustion channels; Can realize effective adjusting and the relative velocity of feed glass microballon powder in fuel to air, oxygen, combustion gas; Through heating system that air is heated up in advance, give full play to the calorific value of fuel, with fuel thorough mixing, the nodularization that guarantees that special glass powder and nodularization are used; Reduce the waste of the energy, energy-saving and emission-reduction.
Description of drawings
Fig. 1 is a structure iron of the present invention;
Fig. 2 is the body of heater part sectioned view;
Fig. 3 is the body of heater stereographic map;
Among the figure, 1-body of heater, 2-injecting combustor, 3-microballon scoop, 4-Waste gas outlet; The 5-cooling water jecket, 6-view port, 7-maintenance access, 8-cooling water inlet, 9-cooling water outlet; The 10-blast inlet, 11-cyclonic separator, 12-fly-ash separator, 13-blower fan, 14-preheating airduct.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further description, but protection scope of the present invention is not limited to the following stated.
Embodiment 1:
Like Fig. 1, Fig. 2, shown in Figure 3: a kind of glass microballon manufacturing installation, it comprises body of heater 1 and exhaust processor, body of heater 1 is tightly connected and is formed by one or more upper of furnace body branches, one or more bodies of heater lower section; Exhaust processor comprises cyclonic separator 11, fly-ash separator 12 and the blower fan 13 that links to each other successively through corresponding pipeline; The upper of furnace body branch is cubic type, and its top is provided with Waste gas outlet 4, and Waste gas outlet 4 links to each other with cyclonic separator 11; Be horizontally installed with one or more injecting combustors 2 on the medullary ray of upper of furnace body branch side; Be provided with view port 6, maintenance access 7 with this side adjacent facets and near the cooling water outlet 9 at top, inside is provided with preheating airduct 14, the side's of the being taper of body of heater lower section; Its bottom is provided with one or more microballon scoops 3; Two sides are equipped with on 8, one flank side surface of cooling water inlet and also are provided with blast inlet 10, are equipped with cooling water jecket 5 on the upper and lower two-part outer wall of body of heater.
A kind of glass microballon preparation method, it may further comprise the steps:
(1) by following component and weight percent preparation raw material: TiO
225%, SiO
220%, BaCO
330%, Ba (NO
3)
215%, Al
2O
35%, CaCO
33%, B
2O
31%, Na
2O1%;
(2) the raw material thorough mixing for preparing is even, through feed mechanism it is sent in the glass melting kiln body and carries out melting, smelting temperature is 1300 ℃, smelting time is 17 hours;
(3) the uniform glass melt of melting is sent into the cooling basin through vomit pipe, water temperature is controlled at 20 ℃ in the cooling basin, and glass melt sharply is cooled to below 800 ℃, forms shrend glass;
(4) the shrend glass that obtains is dried in drying unit, bake out temperature is 400 ℃, and drying time is 30 minutes;
(5) the shrend glass after the oven dry is pulverized through the air-flow grinding machine, pulverizes the back and forms the glass microballon powder, utilizes straight line shaker that it is carried out roughly classification then, and wherein, larger particles returns and continues to pulverize, and the glass microballon powder is melt into pearl through the moulding stove;
(6) at room temperature the glass microballoon after the moulding is carried out pickling with glacial acetic acid; The control pH value is 2; The impurity on glass microballoon surface is removed in pickling 15 minutes, and being washed to pH value then is 7; Under 600 ℃ of conditions, dried by the fire 40 minutes again; Up to oven dry, utilize shimmy sieve that glass microballoon is sieved then, at last it is carried out surface treatment; Eliminate static, increase its flowability;
(7) detect, when recording its specific refractory power>=1.93, devitrification rate≤3%, two pearl rates≤2%, bubble pearl≤2%, roundness>=98% o'clock promptly obtains the glass microballon finished product.
Embodiment 2:
Like Fig. 1, Fig. 2, shown in Figure 3: a kind of glass microballon manufacturing installation, it comprises body of heater 1 and exhaust processor, body of heater 1 is tightly connected and is formed by one or more upper of furnace body branches, one or more bodies of heater lower section; Exhaust processor comprises cyclonic separator 11, fly-ash separator 12 and the blower fan 13 that links to each other successively through corresponding pipeline; The upper of furnace body branch is cubic type, and its top is provided with Waste gas outlet 4, and Waste gas outlet 4 links to each other with cyclonic separator 11; Be horizontally installed with one or more injecting combustors 2 on the medullary ray of upper of furnace body branch side; Be provided with view port 6, maintenance access 7 with this side adjacent facets and near the cooling water outlet 9 at top, inside is provided with preheating airduct 14, the side's of the being taper of body of heater lower section; Its bottom is provided with one or more microballon scoops 3; Two sides are equipped with on 8, one flank side surface of cooling water inlet and also are provided with blast inlet 10, are equipped with cooling water jecket 5 on the upper and lower two-part outer wall of body of heater.
A kind of glass microballon preparation method, it may further comprise the steps:
(1) by following component and weight percent preparation raw material: TiO
230%, SiO
225%, BaCO
320%, Ba (NO
3)
217%, Al
2O
33%, CaCO
33%, B
2O
31%, Na
2O1%;
(2) the raw material thorough mixing for preparing is even, through feed mechanism it is sent in the glass melting kiln body and carries out melting, smelting temperature is 1310 ℃, smelting time is 18 hours;
(3) the uniform glass melt of melting is sent into the cooling basin through vomit pipe, water temperature is controlled at 23 ℃ in the cooling basin, and glass melt sharply is cooled to below 800 ℃, forms shrend glass;
(4) the shrend glass that obtains is dried in drying unit, bake out temperature is 430 ℃, and drying time is 35 minutes;
(5) the shrend glass after the oven dry is pulverized through the air-flow grinding machine, pulverizes the back and forms the glass microballon powder, utilizes straight line shaker that it is carried out roughly classification then, and wherein, larger particles returns and continues to pulverize, and the glass microballon powder is melt into pearl through the moulding stove;
(6) at ambient temperature the glass microballoon after the moulding is carried out pickling with glacial acetic acid; The control pH value is 2; The impurity on glass microballoon surface is removed in pickling 15 minutes, and being washed to pH value then is 7; Under 570 ℃ of conditions, dried by the fire 40 minutes again; Up to oven dry, utilize shimmy sieve that glass microballoon is sieved then, at last it is carried out surface treatment; Eliminate static, increase its flowability;
(7) detect, when recording its specific refractory power>=1.93, devitrification rate≤3%, two pearl rates≤2%, bubble pearl≤2%, roundness>=98% o'clock promptly obtains the glass microballon finished product.
Embodiment 3:
Like Fig. 1, Fig. 2, shown in Figure 3: a kind of glass microballon manufacturing installation, it comprises body of heater 1 and exhaust processor, body of heater 1 is tightly connected and is formed by one or more upper of furnace body branches, one or more bodies of heater lower section; Exhaust processor comprises cyclonic separator 11, fly-ash separator 12 and the blower fan 13 that links to each other successively through corresponding pipeline; The upper of furnace body branch is cubic type, and its top is provided with Waste gas outlet 4, and Waste gas outlet 4 links to each other with cyclonic separator 11; Be horizontally installed with one or more injecting combustors 2 on the medullary ray of upper of furnace body branch side; Be provided with view port 6, maintenance access 7 with this side adjacent facets and near the cooling water outlet 9 at top, inside is provided with preheating airduct 14, the side's of the being taper of body of heater lower section; Its bottom is provided with one or more microballon scoops 3; Two sides are equipped with on 8, one flank side surface of cooling water inlet and also are provided with blast inlet 10, are equipped with cooling water jecket 5 on the upper and lower two-part outer wall of body of heater.
A kind of glass microballon preparation method, it may further comprise the steps:
(1) by following component and weight percent preparation raw material: TiO
235%, SiO
215%, BaCO
325%, Ba (NO
3)
213%, Al
2O
37%, CaCO
33%, B
2O
32%;
(2) the raw material thorough mixing for preparing is even, through feed mechanism it is sent in the glass melting kiln body and carries out melting, smelting temperature is 1320 ℃, smelting time is 19 hours;
(3) the uniform glass melt of melting is sent into the cooling basin through vomit pipe, water temperature is controlled at 25 ℃ in the cooling basin, and glass melt sharply is cooled to below 800 ℃, forms shrend glass;
(4) the shrend glass that obtains is dried in drying unit, bake out temperature is 450 ℃, and drying time is 40 minutes;
(5) the shrend glass after the oven dry is pulverized through the air-flow grinding machine, pulverizes the back and forms the glass microballon powder, utilizes straight line shaker that it is carried out roughly classification then, and wherein, larger particles returns and continues to pulverize, and the glass microballon powder is melt into pearl through the moulding stove;
(6) at ambient temperature the glass microballoon after the moulding is carried out pickling with glacial acetic acid; The control pH value is 2.5; The impurity on glass microballoon surface is removed in pickling 20 minutes, and being washed to pH value then is 7; Under 540 ℃ of conditions, dried by the fire 45 minutes again; Up to oven dry, utilize shimmy sieve that glass microballoon is sieved then, at last it is carried out surface treatment; Eliminate static, increase its flowability;
(7) detect, when recording its specific refractory power>=1.93, devitrification rate≤3%, two pearl rates≤2%, bubble pearl≤2%, roundness>=98% o'clock promptly obtains the glass microballon finished product.
Embodiment 4:
Like Fig. 1, Fig. 2, shown in Figure 3: a kind of glass microballon manufacturing installation, it comprises body of heater 1 and exhaust processor, body of heater 1 is tightly connected and is formed by one or more upper of furnace body branches, one or more bodies of heater lower section; Exhaust processor comprises cyclonic separator 11, fly-ash separator 12 and the blower fan 13 that links to each other successively through corresponding pipeline; The upper of furnace body branch is cubic type, and its top is provided with Waste gas outlet 4, and Waste gas outlet 4 links to each other with cyclonic separator 11; Be horizontally installed with one or more injecting combustors 2 on the medullary ray of upper of furnace body branch side; Be provided with view port 6, maintenance access 7 with this side adjacent facets and near the cooling water outlet 9 at top, inside is provided with preheating airduct 14, the side's of the being taper of body of heater lower section; Its bottom is provided with one or more microballon scoops 3; Two sides are equipped with on 8, one flank side surface of cooling water inlet and also are provided with blast inlet 10, are equipped with cooling water jecket 5 on the upper and lower two-part outer wall of body of heater.
A kind of glass microballon preparation method, it may further comprise the steps:
(1) by following component and weight percent preparation raw material: TiO
240%, SiO
215%, BaCO
325%, Ba (NO
3)
210%, Al
2O
35%, CaCO
33%, B
2O
30.1%, Na
2O1.9%;
(2) the raw material thorough mixing for preparing is even, through feed mechanism it is sent in the glass melting kiln body and carries out melting, smelting temperature is 1330 ℃, smelting time is 20 hours;
(3) the uniform glass melt of melting is sent into the cooling basin through vomit pipe, water temperature is controlled at 27 ℃ in the cooling basin, and glass melt sharply is cooled to below 800 ℃, forms shrend glass;
(4) the shrend glass that obtains is dried in drying unit, bake out temperature is 480 ℃, and drying time is 45 minutes;
(5) the shrend glass after the oven dry is pulverized through the air-flow grinding machine, pulverizes the back and forms the glass microballon powder, utilizes straight line shaker that it is carried out roughly classification then, and wherein, larger particles returns and continues to pulverize, and the glass microballon powder is melt into pearl through the moulding stove;
(6) at ambient temperature the glass microballoon after the moulding is carried out pickling with glacial acetic acid; The control pH value is 2.5; The impurity on glass microballoon surface is removed in pickling 20 minutes, and being washed to pH value then is 7; Under 500 ℃ of conditions, dried by the fire 45 minutes again; Up to oven dry, utilize shimmy sieve that glass microballoon is sieved then, at last it is carried out surface treatment; Eliminate static, increase its flowability;
(7) detect, when recording its specific refractory power>=1.93, devitrification rate≤3%, two pearl rates≤2%, bubble pearl≤2%, roundness>=98% o'clock promptly obtains the glass microballon finished product.
Embodiment 5:
Like Fig. 1, Fig. 2, shown in Figure 3: a kind of glass microballon manufacturing installation, it comprises body of heater 1 and exhaust processor, body of heater 1 is tightly connected and is formed by one or more upper of furnace body branches, one or more bodies of heater lower section; Exhaust processor comprises cyclonic separator 11, fly-ash separator 12 and the blower fan 13 that links to each other successively through corresponding pipeline; The upper of furnace body branch is cubic type, and its top is provided with Waste gas outlet 4, and Waste gas outlet 4 links to each other with cyclonic separator 11; Be horizontally installed with one or more injecting combustors 2 on the medullary ray of upper of furnace body branch side; Be provided with view port 6, maintenance access 7 with this side adjacent facets and near the cooling water outlet 9 at top, inside is provided with preheating airduct 14, the side's of the being taper of body of heater lower section; Its bottom is provided with one or more microballon scoops 3; Two sides are equipped with on 8, one flank side surface of cooling water inlet and also are provided with blast inlet 10, are equipped with cooling water jecket 5 on the upper and lower two-part outer wall of body of heater.
A kind of glass microballon preparation method, it may further comprise the steps:
(1) by following component and weight percent preparation raw material: TiO
245%, SiO
220%, BaCO
315%, Ba (NO
3)
210%, Al
2O
37%, CaCO
31%, B
2O
31.5%, Na
2O0.5%;
(2) the raw material thorough mixing for preparing is even, through feed mechanism it is sent in the glass melting kiln body and carries out melting, smelting temperature is 1340 ℃, smelting time is 21 hours;
(3) the uniform glass melt of melting is sent into the cooling basin through vomit pipe, water temperature is controlled at 30 ℃ in the cooling basin, and glass melt sharply is cooled to below 800 ℃, forms shrend glass;
(4) the shrend glass that obtains is dried in drying unit, bake out temperature is 500 ℃, and drying time is 50 minutes;
(5) the shrend glass after the oven dry is pulverized through the air-flow grinding machine, pulverizes the back and forms the glass microballon powder, utilizes straight line shaker that it is carried out roughly classification then, and wherein, larger particles returns and continues to pulverize, and the glass microballon powder is melt into pearl through the moulding stove;
(6) at ambient temperature the glass microballoon after the moulding is carried out pickling with glacial acetic acid; The control pH value is 3; The impurity on glass microballoon surface is removed in pickling 25 minutes, and being washed to pH value then is 7; Under 480 ℃ of conditions, dried by the fire 50 minutes again; Up to oven dry, utilize shimmy sieve that glass microballoon is sieved then, at last it is carried out surface treatment; Eliminate static, increase its flowability;
(7) detect, when recording its specific refractory power>=1.93, devitrification rate≤3%, two pearl rates≤2%, bubble pearl≤2%, roundness>=98% o'clock promptly obtains the glass microballon finished product.
Embodiment 6:
Like Fig. 1, Fig. 2, shown in Figure 3: a kind of glass microballon manufacturing installation, it comprises body of heater 1 and exhaust processor, body of heater 1 is tightly connected and is formed by one or more upper of furnace body branches, one or more bodies of heater lower section; Exhaust processor comprises cyclonic separator 11, fly-ash separator 12 and the blower fan 13 that links to each other successively through corresponding pipeline; The upper of furnace body branch is cubic type, and its top is provided with Waste gas outlet 4, and Waste gas outlet 4 links to each other with cyclonic separator 11; Be horizontally installed with one or more injecting combustors 2 on the medullary ray of upper of furnace body branch side; Be provided with view port 6, maintenance access 7 with this side adjacent facets and near the cooling water outlet 9 at top, inside is provided with preheating airduct 14, the side's of the being taper of body of heater lower section; Its bottom is provided with one or more microballon scoops 3; Two sides are equipped with on 8, one flank side surface of cooling water inlet and also are provided with blast inlet 10, are equipped with cooling water jecket 5 on the upper and lower two-part outer wall of body of heater.
A kind of glass microballon preparation method, it may further comprise the steps:
(1) by following component and weight percent preparation raw material: TiO
225%, SiO
25%, BaCO
350%, Ba (NO
3)
210%, Al
2O
37%, CaCO
31%, B
2O
31.5%, Na
2O0.5%;
(2) the raw material thorough mixing for preparing is even, through feed mechanism it is sent in the glass melting kiln body and carries out melting, smelting temperature is 1360 ℃, smelting time is 22 hours;
(3) the uniform glass melt of melting is sent into the cooling basin through vomit pipe, water temperature is controlled at 35 ℃ in the cooling basin, and glass melt sharply is cooled to below 800 ℃, forms shrend glass;
(4) the shrend glass that obtains is dried in drying unit, bake out temperature is 540 ℃, and drying time is 55 minutes;
(5) the shrend glass after the oven dry is pulverized through the air-flow grinding machine, pulverizes the back and forms the glass microballon powder, utilizes straight line shaker that it is carried out roughly classification then, and wherein, larger particles returns and continues to pulverize, and the glass microballon powder is melt into pearl through the moulding stove;
(6) at ambient temperature the glass microballoon after the moulding is carried out pickling with glacial acetic acid; The control pH value is 3; The impurity on glass microballoon surface is removed in pickling 25 minutes, and being washed to pH value then is 7; Under 450 ℃ of conditions, dried by the fire 55 minutes again; Up to oven dry, utilize shimmy sieve that glass microballoon is sieved then, at last it is carried out surface treatment; Eliminate static, increase its flowability;
(7) detect, when recording its specific refractory power>=1.93, devitrification rate≤3%, two pearl rates≤2%, bubble pearl≤2%, roundness>=98% o'clock promptly obtains the glass microballon finished product.
Embodiment 7:
Like Fig. 1, Fig. 2, shown in Figure 3: a kind of glass microballon manufacturing installation, it comprises body of heater 1 and exhaust processor, body of heater 1 is tightly connected and is formed by one or more upper of furnace body branches, one or more bodies of heater lower section; Exhaust processor comprises cyclonic separator 11, fly-ash separator 12 and the blower fan 13 that links to each other successively through corresponding pipeline; The upper of furnace body branch is cubic type, and its top is provided with Waste gas outlet 4, and Waste gas outlet 4 links to each other with cyclonic separator 11; Be horizontally installed with one or more injecting combustors 2 on the medullary ray of upper of furnace body branch side; Be provided with view port 6, maintenance access 7 with this side adjacent facets and near the cooling water outlet 9 at top, inside is provided with preheating airduct 14, the side's of the being taper of body of heater lower section; Its bottom is provided with one or more microballon scoops 3; Two sides are equipped with on 8, one flank side surface of cooling water inlet and also are provided with blast inlet 10, are equipped with cooling water jecket 5 on the upper and lower two-part outer wall of body of heater.
A kind of glass microballon preparation method, it may further comprise the steps:
(1) by following component and weight percent preparation raw material: TiO
245%, SiO
225%, BaCO
310%, Ba (NO
3)
25%, Al
2O
35%, CaCO
35%, B
2O
32%, Na
2O3%;
(2) the raw material thorough mixing for preparing is even, through feed mechanism it is sent in the glass melting kiln body and carries out melting, smelting temperature is 1380 ℃, smelting time is 23 hours;
(3) the uniform glass melt of melting is sent into the cooling basin through vomit pipe, water temperature is controlled at 38 ℃ in the cooling basin, and glass melt sharply is cooled to below 800 ℃, forms shrend glass;
(4) the shrend glass that obtains is dried in drying unit, bake out temperature is 570 ℃, and drying time is 55 minutes;
(5) the shrend glass after the oven dry is pulverized through the air-flow grinding machine, pulverizes the back and forms the glass microballon powder, utilizes straight line shaker that it is carried out roughly classification then, and wherein, larger particles returns and continues to pulverize, and the glass microballon powder is melt into pearl through the moulding stove;
(6) at ambient temperature the glass microballoon after the moulding is carried out pickling with glacial acetic acid; The control pH value is 3; The impurity on glass microballoon surface is removed in pickling 30 minutes, and being washed to pH value then is 7; Under 430 ℃ of conditions, dried by the fire 55 minutes again; Up to oven dry, utilize shimmy sieve that glass microballoon is sieved then, at last it is carried out surface treatment; Eliminate static, increase its flowability;
(7) detect, when recording its specific refractory power>=1.93, devitrification rate≤3%, two pearl rates≤2%, bubble pearl≤2%, roundness>=98% o'clock promptly obtains the glass microballon finished product.
Embodiment 8:
Like Fig. 1, Fig. 2, shown in Figure 3: a kind of glass microballon manufacturing installation, it comprises body of heater 1 and exhaust processor, body of heater 1 is tightly connected and is formed by one or more upper of furnace body branches, one or more bodies of heater lower section; Exhaust processor comprises cyclonic separator 11, fly-ash separator 12 and the blower fan 13 that links to each other successively through corresponding pipeline; The upper of furnace body branch is cubic type, and its top is provided with Waste gas outlet 4, and Waste gas outlet 4 links to each other with cyclonic separator 11; Be horizontally installed with one or more injecting combustors 2 on the medullary ray of upper of furnace body branch side; Be provided with view port 6, maintenance access 7 with this side adjacent facets and near the cooling water outlet 9 at top, inside is provided with preheating airduct 14, the side's of the being taper of body of heater lower section; Its bottom is provided with one or more microballon scoops 3; Two sides are equipped with on 8, one flank side surface of cooling water inlet and also are provided with blast inlet 10, are equipped with cooling water jecket 5 on the upper and lower two-part outer wall of body of heater.
A kind of glass microballon preparation method, it may further comprise the steps:
(1) by following component and weight percent preparation raw material: TiO
230%, SiO
215%, BaCO
320%, Ba (NO
3)
225%, Al
2O
31%, CaCO
35%, B
2O
31%, Na
2O3%;
(2) the raw material thorough mixing for preparing is even, through feed mechanism it is sent in the glass melting kiln body and carries out melting, smelting temperature is 1400 ℃, smelting time is 24 hours;
(3) the uniform glass melt of melting is sent into the cooling basin through vomit pipe, water temperature is controlled at 40 ℃ in the cooling basin, and glass melt sharply is cooled to below 800 ℃, forms shrend glass;
(4) the shrend glass that obtains is dried in drying unit, bake out temperature is 600 ℃, and drying time is 60 minutes;
(5) the shrend glass after the oven dry is pulverized through the air-flow grinding machine, pulverizes the back and forms the glass microballon powder, utilizes straight line shaker that it is carried out roughly classification then, and wherein, larger particles returns and continues to pulverize, and the glass microballon powder is melt into pearl through the moulding stove;
(6) at ambient temperature the glass microballoon after the moulding is carried out pickling with glacial acetic acid; The control pH value is 3; The impurity on glass microballoon surface is removed in pickling 30 minutes, and being washed to pH value then is 7; Under 400 ℃ of conditions, dried by the fire 60 minutes again; Up to oven dry, utilize shimmy sieve that glass microballoon is sieved then, at last it is carried out surface treatment; Eliminate static, increase its flowability;
(7) detect, when recording its specific refractory power>=1.93, devitrification rate≤3%, two pearl rates≤2%, bubble pearl≤2%, roundness>=98% o'clock promptly obtains the glass microballon finished product.
Claims (3)
1. glass microballon manufacturing installation, it is characterized in that: it comprises body of heater (1) and exhaust processor, body of heater (1) is tightly connected and is formed by one or more upper of furnace body branches, one or more bodies of heater lower section; The upper of furnace body branch is cubic type; Its top is provided with Waste gas outlet (4), and the side is provided with one or more injecting combustors (2), is provided with view port (6), maintenance access (7) with this side adjacent facets and near the cooling water outlet (9) at top; Inside is provided with preheating airduct (14); The side's of the being taper of body of heater lower section, its bottom is provided with one or more microballon scoops (3), and two sides are equipped with cooling water inlet (8); One flank side surface also is provided with blast inlet (10); Be equipped with cooling water jecket (5) on the upper and lower two-part outer wall of body of heater, exhaust processor comprises cyclonic separator (11), fly-ash separator (12) and the blower fan (13) that links to each other successively through corresponding pipeline, and cyclonic separator (11) links to each other with Waste gas outlet (4).
2. a kind of glass microballon manufacturing installation according to claim 1 is characterized in that: described spraying burner (2) level is installed on upper of furnace body and divides on the lateral medullary ray.
3. glass microballon preparation method, it is characterized in that: it may further comprise the steps:
(1) by following component and weight percent preparation raw material: TiO
225～45%, SiO
25～25%, BaCO
310～50%, Ba (NO
3)
25～25%, Al
2O
31～7%, CaCO
31～5%, B
2O
30.1～2%, Na
2O0～3%;
(2) the raw material thorough mixing for preparing is even, through feed mechanism it is sent in the glass melting kiln body and carries out melting, smelting temperature is 1300～1400 ℃, smelting time is 17～24 hours;
(3) the uniform glass melt of melting is sent into the cooling basin through vomit pipe, water temperature is controlled at 20～40 ℃ in the cooling basin, and glass melt sharply is cooled to below 800 ℃, forms shrend glass;
(4) the shrend glass that obtains is dried in drying unit, bake out temperature is 400～600 ℃, and drying time is 30～60 minutes;
(5) the shrend glass after the oven dry is pulverized through the air-flow grinding machine, pulverizes the back and forms the glass microballon powder, utilizes straight line shaker that it is carried out classification then, and wherein, larger particles returns and continues to pulverize, and the glass microballon powder is melt into pearl through the moulding stove;
(6) at room temperature the glass microballon after the moulding is carried out pickling with glacial acetic acid, the control pH value is 2～3, pickling 15-30 minute; Remove the impurity on glass microballon surface, wash then to pH value be 7, under 400～600 ℃ of conditions, dried by the fire 40～60 minutes again; Up to oven dry; Utilize shimmy sieve that glass microballon is sieved then, at last it is carried out surface treatment, eliminate static;
(7) detect, when recording its specific refractory power>=1.93, devitrification rate≤3%, two pearl rates≤2%, bubble pearl≤2%, roundness>=98% o'clock promptly obtains the glass microballon finished product.
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|---|---|---|---|
| CN2011102585961A CN102417291B (en) | 2011-09-03 | 2011-09-03 | Glass microballoon manufacturing device and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102965147A (en) * | 2012-12-04 | 2013-03-13 | 大连隆星新材料有限公司 | Wax grain producing and collecting equipment |
| CN103342452A (en) * | 2013-07-01 | 2013-10-09 | 浙江龙游道明光学有限公司 | Method for manufacturing glass beads by utilizing burner |
| CN104150754A (en) * | 2014-08-14 | 2014-11-19 | 成都中节能反光材料有限公司 | Glass powder ultra-fine powder combining device and method |
| CN104962112A (en) * | 2015-07-10 | 2015-10-07 | 天津中海油服化学有限公司 | Device and method for modifying borosilicate hollow glass beads as cementing slurry lightening admixture |
| CN106145622A (en) * | 2015-04-15 | 2016-11-23 | 江油市明瑞反光材料科技有限公司 | A kind of beading stove being applicable to prepare high-refraction glass bead |
| CN110372179A (en) * | 2019-08-29 | 2019-10-25 | 延安城投光学材料有限公司 | A kind of continuous production glass of high refractive index water quenching material devices and methods therefor |
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| CN2230759Y (en) * | 1995-08-24 | 1996-07-10 | 河北省定州市玻璃珠总厂 | Glass-beam forming furnace |
| CN1396130A (en) * | 2001-12-26 | 2003-02-12 | 中国科学院理化技术研究所 | Continuous preparing apparatus and application of glass microbeads |
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| CN86107294A (en) * | 1986-10-25 | 1988-06-01 | 中国科学院上海光学精密机械研究所 | A kind of device for preparing glass microballon |
| CN2230759Y (en) * | 1995-08-24 | 1996-07-10 | 河北省定州市玻璃珠总厂 | Glass-beam forming furnace |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102965147A (en) * | 2012-12-04 | 2013-03-13 | 大连隆星新材料有限公司 | Wax grain producing and collecting equipment |
| CN103342452A (en) * | 2013-07-01 | 2013-10-09 | 浙江龙游道明光学有限公司 | Method for manufacturing glass beads by utilizing burner |
| CN104150754A (en) * | 2014-08-14 | 2014-11-19 | 成都中节能反光材料有限公司 | Glass powder ultra-fine powder combining device and method |
| CN106145622A (en) * | 2015-04-15 | 2016-11-23 | 江油市明瑞反光材料科技有限公司 | A kind of beading stove being applicable to prepare high-refraction glass bead |
| CN106145622B (en) * | 2015-04-15 | 2018-08-07 | 江油市明瑞反光材料科技有限公司 | A kind of beading stove being suitable for preparing high-refraction glass bead |
| CN104962112A (en) * | 2015-07-10 | 2015-10-07 | 天津中海油服化学有限公司 | Device and method for modifying borosilicate hollow glass beads as cementing slurry lightening admixture |
| CN104962112B (en) * | 2015-07-10 | 2017-07-21 | 天津中海油服化学有限公司 | The reforming apparatus and method of a kind of cementing slurry palliative borosilicic acid salt hollow glass micropearl |
| CN110372179A (en) * | 2019-08-29 | 2019-10-25 | 延安城投光学材料有限公司 | A kind of continuous production glass of high refractive index water quenching material devices and methods therefor |
| CN110372179B (en) * | 2019-08-29 | 2024-02-20 | 延安城投光学材料有限公司 | Water quenching device and method for continuously producing high-refractive-index glass |
| CN115215531A (en) * | 2022-07-27 | 2022-10-21 | 信义环保特种玻璃（江门）有限公司 | Method and device for controlling glass production process |
| CN115215531B (en) * | 2022-07-27 | 2024-03-15 | 信义环保特种玻璃（江门）有限公司 | Method and device for controlling glass production process |
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