CN101891368A - Glass granulated material as well as preparation method and application thereof - Google Patents
Glass granulated material as well as preparation method and application thereof Download PDFInfo
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- CN101891368A CN101891368A CN 201010218705 CN201010218705A CN101891368A CN 101891368 A CN101891368 A CN 101891368A CN 201010218705 CN201010218705 CN 201010218705 CN 201010218705 A CN201010218705 A CN 201010218705A CN 101891368 A CN101891368 A CN 101891368A
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Abstract
The invention relates to a glass granulated material as well as a preparation method and the application thereof. The preparation method comprises the following steps of: extracting powder with the granularity below 0.4 mm, which is generated during the crushing, screening and conveying of various raw materials used for glass production, and conveying the powder to a powder storehouse of a granulation workshop; separately weighting the powder of various raw materials according to a stipulated material list for the glass production, conveying the powder to a mixer, adding an adhesiv, mixing and ensuring the temperature of the obtained mixture is not less than 45 DEG C; conveying the mixture to a granulation device for granulating to obtain a granulated material with the moisture content higher than 8 percent; and conveying the granulated material to a drying device to dry at a temperature not lower than 180 DEG C for not less than 10 min and obtaining glass granulated material with the moisture content smaller than 1 percent. The method has simple process and less devices and has the purposes that the glass granulated material is conveyed to a feeding tank as a raw material for the glass production. The glass granulated material can improve the melting quality of glass and achieve the effects of saving energy and reducing emission.
Description
Technical field
The present invention relates to a kind of pellet, more particularly, the present invention relates to a kind of glass pellet, simultaneously, the invention still further relates to a kind of preparation method and purposes of described glass pellet.
Background technology
At present, make the used raw material of glass and all be various powder raw materials by after required proportioning weighing, mixing, still send into fusing in the kiln with powder form (being commonly called as the powdery admixtion), existing shortcoming is:
(1), since powder particles differ bigger, maximum can reach 2.5mm, minimum is 0.1mm only, even littler, easily layering in transportation and storage process influence the homogeneity of glass, and owing to fine powder in the raw material is many, easily fly upward, not only influence the homogeneity of glass, and influence the work-ing life of kiln;
(2), the powder that mixes can only store several hrs, otherwise easily is bonded to bulk, batch charger can't be worked, and requires the reliability of feed proportioning system design to want high, generally selects for use 2 mixing machines standby each other;
(3), because the siliceous raw material granularity of using is bigger, and what have reaches more than the 0.68mm, it is loose to add the powder that mixes, poor thermal conductivity causes melting the energy consumption height;
(4), the powder that the mixes hot gas flow that is difficult to make full use of dog-house carries out preheating, the heat that makes dog-house distribute can not make full use of;
(5), the powder that mixes generally contains the moisture about 5% when going into kiln, reduced the thermo-efficiency of kiln.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of glass pellet that improves melting quality of glass, reaches effects of energy saving and emission reduction; Simultaneously, another technical problem that the present invention will solve provides a kind of preparation method of this glass pellet, and this method technology is simple, and use equipment is few; Also provided simultaneously the purposes of this glass pellet.
For solving the problems of the technologies described above, the invention provides a kind of glass pellet, this glass pellet is prepared by following method:
(1) will produce granularity that the required various raw materials of glass produce in broken, screening and course of conveying is that powder below the 0.4mm extracts, and delivers in the powder storehouse of granulation workshop;
(2) by the regulation material list of producing glass with the independent weighing of the powder of various raw materials good after, send into mixing machine and add binding agent and mix, the temperature of guaranteeing the compound that obtains is not less than 45 and spends;
(3) compound is sent to granulating equipment and carries out granulation, obtain water ratio greater than 8% bulk goods;
(4) bulk goods is sent to drying plant, bake out temperature is not less than 180 degree, and drying time is not less than 10 minutes, makes water ratio less than 1% glass pellet.
For solving the problems of the technologies described above, the present invention also provides a kind of preparation method of glass pellet, and this method comprises following processing step successively:
(1) will produce granularity that the required various raw materials of glass produce in broken, screening and course of conveying is that powder below the 0.4mm extracts, and delivers in the powder storehouse of granulation workshop;
(2) by the regulation material list of producing glass with the independent weighing of the powder of various raw materials good after, send into mixing machine and add binding agent and mix, the temperature of guaranteeing the compound that obtains is not less than 45 and spends;
(3) compound is sent to granulating equipment and carries out granulation, obtain water ratio greater than 8% bulk goods;
(4) bulk goods is sent to drying plant, bake out temperature is not less than 180 degree, and drying time is not less than 10 minutes, makes water ratio less than 1% glass pellet.
The purposes of described glass pellet is: described glass pellet is transported in the pond that feeds intake, uses as the raw material of producing glass.
The shelf lives of this glass pellet can reach more than 1 year, can effectively reduce the reliability requirement of feed proportioning system, had reduced facility investment.
According to the purposes of described glass pellet, this glass pellet uses as the raw material of producing glass, can bring into play following active effect:
(1) this glass pellet can layering in transportation and storage process, does not have fine powder to fly upward yet, thereby has improved the homogeneity of glass, has reduced to the erosion of kiln with to the obstruction of checker, has reduced the discharging of dust.
(2) this glass pellet is compared with the powder-material of routine, and the one, the granularity of various single raw materials diminishes in this glass pellet, and surface-area increases, and surfactivity increases; The 2nd, comparatively closely knit, thermal conductivity is good; The 3rd, water ratio is less than 1%, than the water ratio reduction about 4% of conventional powder-material.Thereby accelerated the burn-off rate of this glass pellet, reduced the fuel consumption of glass furnace, melted energy-conservationly more than 10%, effectively reduced cost, particularly in today of the high enterprise of international petroleum price, economic benefit is appreciable.
In sum, this glass pellet can improve melting quality of glass, reach the effect of energy-saving and emission-reduction; The preparation method of this glass pellet, its technology is simple, and use equipment is few; The purposes of this glass pellet; adaptability is strong; industrialization is used does not have obstacle; having started the granularity that the required various raw materials of production glass are produced in fragmentation, screening and course of conveying at home is the beginning that the powder below the 0.4mm utilizes; for melting quality of glass; can play significant raising effect, and energy-saving and emission-reduction.
In preparation method of the present invention:
(1) adopt strength or batch can that the powder that extracts is delivered in the powder storehouse of granulation workshop in the step.
(2) to adopt weight percent concentration be 40～60% sodium hydroxide or in water glass or the calcium hydroxide any one to the binding agent in the step.As: adopt sodium hydroxide, its specific activity soda ash height has quickened melting raw materials.
(3) equipment in the step adopts any one in rotation granulation machine or the roller briquetting press.
(4) drying plant in the step adopts any one in drum type brake dryer or the tunnel drier.In addition, in preparation method of the present invention, to note following item:
When (1) extracting powder, can partly or entirely deliver in the powder storehouse of granulation workshop.
(2) mixing machine is preferably selected the mixing machine or the rolling wheel mixing machine of high-energy rotator for use, clustering phenomena occurs to avoid the compound in (2) step in mixing machine.
(3) density of pellet control: rotate granulation machine production pellet (being peloid) as adopting, realize, note the consistence of chemical constitution between each pellet by adjusting balling-up time and falling height; As adopt the roller briquetting press to produce pellet (for block grain), realize by adjusting crushing strength.
The density of pellet is unsuitable too small, otherwise, the one, intensity is low, frangible, and the 2nd, poor thermal conductivity, energy consumption height; The density of pellet also unsuitable excessive (as: near or surpass the density of glass metal), otherwise, might be by at the bottom of vertically the glass metal of convection current be brought the pond in the kiln.
(4) the oven dry thermal source preferably makes full use of the waste gas residual heat of kiln, and insufficient section is mended with other fuel.
For the factory that many production lines are arranged; can be with wherein one or two production lines adopt pellets to produce as raw material; the powder of other production line is extracted to produce pellet; be drawn out of the production line of powder since do not have or reduced granularity be 0.4mm following than fine powder material; still go into the kiln fusing with thicker powdery admixtion; siliceous and granularity upper limit aluminum raw material can be reduced to 0.5mm by 0.68mm, the purpose that also can reach energy-saving and emission-reduction, improves glass quality and prolong furnace service life.
For the factory that has only a production line, also the powder of available our factory is produced pellet, stores some moons after, raw material is converted to pellet goes into kiln, production hockets.If the not enough pellet of producing of powder, buyable mine tailing (as tailings etc.) also can prepare powder separately.
Embodiment
Below can further be well understood to the present invention by embodiment given below.But they are not limitation of the invention.
Embodiment 1:
The preparation method of glass pellet, it comprises following processing step successively:
(1) will produce granularity that the required various raw materials of glass produce in broken, screening and course of conveying is that powder below the 0.25mm extracts, and adopts strength the powder that extracts to be delivered in the powder storehouse of granulation workshop;
(2) by the regulation material list of producing glass with the independent weighing of the powder of various raw materials good after, send into mixing machine and add binding agent and mix, it is 50% sodium hydroxide that binding agent adopts weight percent concentration, the temperature of guaranteeing the compound that obtains is 55 to spend;
(3) compound is sent to granulating equipment and carries out granulation, obtain water ratio and be 10% bulk goods, granulating equipment adopts the granulation machine that rotates;
(4) bulk goods is sent to drying plant, drying plant adopts the drum type brake dryer, and bake out temperature is 190 degree, and drying time is 15 minutes, makes water ratio less than 1% glass pellet.
With the glass pellet that aforesaid method makes, the shelf lives can reach more than 1 year, was convenient to use as the raw material of producing glass.
Embodiment 2:
The preparation method of glass pellet, it comprises following processing step successively:
(1) will produce granularity that the required various raw materials of glass produce in broken, screening and course of conveying is that powder below the 0.3mm extracts, and adopts batch can the powder that extracts to be delivered in the powder storehouse of granulation workshop;
(2) by the regulation material list of producing glass with the independent weighing of the powder of various raw materials good after, send into mixing machine and add binding agent and mix, binding agent adopts water glass, the temperature of guaranteeing the compound that obtains is 50 to spend;
(3) compound is sent to granulating equipment and carries out granulation, obtain water ratio and be 12% bulk goods, granulating equipment adopts the roller briquetting press;
(4) bulk goods is sent to drying plant, it is 200 degree that drying plant adopts tunnel drier, bake out temperature, and drying time is 20 minutes, makes water ratio less than 1% glass pellet.
With the glass pellet that aforesaid method makes, the shelf lives can reach more than 1 year, was convenient to use as the raw material of producing glass.
Embodiment 3:
The glass pellet that uses the embodiment of the invention 1 to make is transported in the pond that feeds intake, and uses as the raw material of producing glass.
Embodiment 4:
The glass pellet that uses the embodiment of the invention 2 to make by the kiln hood spiral heat exchanger, is transported in the pond that feeds intake, and uses as the raw material of producing glass.
In addition, the binding agent in (2) step among the preparation method of the present invention also can adopt calcium hydroxide.
Claims (7)
1. the preparation method of glass pellet, it comprises following processing step successively:
(1) will produce granularity that the required various raw materials of glass produce in broken, screening and course of conveying is that powder below the 0.4mm extracts, and delivers in the powder storehouse of granulation workshop;
(2) by the regulation material list of producing glass with the independent weighing of the powder of various raw materials good after, send into mixing machine and add binding agent and mix, the temperature of guaranteeing the compound that obtains is not less than 45 and spends;
(3) compound is sent to granulating equipment and carries out granulation, obtain water ratio greater than 8% bulk goods;
(4) bulk goods is sent to drying plant, bake out temperature is not less than 180 degree, and drying time is not less than 10 minutes, makes water ratio less than 1% glass pellet.
2. the preparation method of glass pellet according to claim 1 is characterized in that: adopt strength or batch can that the powder that extracts is delivered in the powder storehouse of granulation workshop in (1) step.
3. the preparation method of glass pellet according to claim 1 is characterized in that: it is 40～60% sodium hydroxide or in water glass or the calcium hydroxide any one that binding agent in (2) step adopts weight percent concentration.
4. the preparation method of glass pellet according to claim 1 is characterized in that: the equipment in (3) step adopts any one in rotation granulation machine or the roller briquetting press.
5. the preparation method of glass pellet according to claim 1 is characterized in that: the drying plant in (4) step adopts any one in drum type brake dryer or the tunnel drier.
6. according to the glass pellet of the preparation method of each described glass pellet in the claim 1～5 preparation.
7. according to the purposes of the glass pellet described in the claim 6, it is characterized in that: described glass pellet is transported in the pond that feeds intake, uses as the raw material of producing glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102187052A CN101891368B (en) | 2010-07-04 | 2010-07-04 | Glass granulated material as well as preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102187052A CN101891368B (en) | 2010-07-04 | 2010-07-04 | Glass granulated material as well as preparation method and application thereof |
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| Publication Number | Publication Date |
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| CN101891368A true CN101891368A (en) | 2010-11-24 |
| CN101891368B CN101891368B (en) | 2012-03-21 |
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| CN2010102187052A Expired - Fee Related CN101891368B (en) | 2010-07-04 | 2010-07-04 | Glass granulated material as well as preparation method and application thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408181A (en) * | 2011-08-30 | 2012-04-11 | 河北省沙河玻璃技术研究院 | Preparation method of borosilicate float glass batch |
| CN102515467A (en) * | 2012-01-04 | 2012-06-27 | 王增贵 | Silicon raw material tailing granulated material, and preparation method and application thereof |
| CN103102057A (en) * | 2013-02-07 | 2013-05-15 | 燕山大学 | Preparation method of self-bonding and pre-decomposing glass batch |
| CN103482848A (en) * | 2013-08-26 | 2014-01-01 | 吴江光华玻璃厂 | Pelletizing production process for glass batch mixture |
| CN103502160A (en) * | 2010-12-22 | 2014-01-08 | 阿萨默玄武岩纤维有限公司 | Pre-treatment of raw material for producing basalt fibers |
| CN103717545A (en) * | 2011-08-01 | 2014-04-09 | 蓝宝迪有限公司 | Additives for ceramic glazes |
| CN103951170A (en) * | 2014-04-24 | 2014-07-30 | 宁波宝斯达坩埚保温制品有限公司 | Electricity-saving method and electricity-saving device for manufacturing quartz crucible |
| CN106517732A (en) * | 2016-10-21 | 2017-03-22 | 巨石集团有限公司 | Producing method of glassfiber tank furnace mixed batch particle and prilling granulator |
| CN107555764A (en) * | 2017-09-22 | 2018-01-09 | 中国建材国际工程集团有限公司 | A kind of preparation method of glass batch |
| CN115231803A (en) * | 2022-07-08 | 2022-10-25 | 兆虹精密(北京)科技有限公司 | Granulation method of glass batch |
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| JPS55104943A (en) * | 1979-02-02 | 1980-08-11 | Mizusawa Ind Chem Ltd | Production of lead glass |
| US4311502A (en) * | 1980-10-27 | 1982-01-19 | Owens-Corning Fiberglas Corporation | Wet scrubbing-pelletizing method |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103502160A (en) * | 2010-12-22 | 2014-01-08 | 阿萨默玄武岩纤维有限公司 | Pre-treatment of raw material for producing basalt fibers |
| CN103717545A (en) * | 2011-08-01 | 2014-04-09 | 蓝宝迪有限公司 | Additives for ceramic glazes |
| CN102408181B (en) * | 2011-08-30 | 2013-11-13 | 河北省沙河玻璃技术研究院 | Preparation method of borosilicate float glass batch |
| CN102408181A (en) * | 2011-08-30 | 2012-04-11 | 河北省沙河玻璃技术研究院 | Preparation method of borosilicate float glass batch |
| CN102515467A (en) * | 2012-01-04 | 2012-06-27 | 王增贵 | Silicon raw material tailing granulated material, and preparation method and application thereof |
| CN103102057A (en) * | 2013-02-07 | 2013-05-15 | 燕山大学 | Preparation method of self-bonding and pre-decomposing glass batch |
| CN103102057B (en) * | 2013-02-07 | 2015-07-29 | 燕山大学 | The preparation method of the glass batch of self-adhesive and predecomposition |
| CN103482848A (en) * | 2013-08-26 | 2014-01-01 | 吴江光华玻璃厂 | Pelletizing production process for glass batch mixture |
| CN103951170A (en) * | 2014-04-24 | 2014-07-30 | 宁波宝斯达坩埚保温制品有限公司 | Electricity-saving method and electricity-saving device for manufacturing quartz crucible |
| CN106517732A (en) * | 2016-10-21 | 2017-03-22 | 巨石集团有限公司 | Producing method of glassfiber tank furnace mixed batch particle and prilling granulator |
| CN107555764A (en) * | 2017-09-22 | 2018-01-09 | 中国建材国际工程集团有限公司 | A kind of preparation method of glass batch |
| CN107555764B (en) * | 2017-09-22 | 2021-08-06 | 中国建材国际工程集团有限公司 | Preparation method of glass batch |
| CN115231803A (en) * | 2022-07-08 | 2022-10-25 | 兆虹精密(北京)科技有限公司 | Granulation method of glass batch |
| CN115231803B (en) * | 2022-07-08 | 2023-07-07 | 兆虹精密(北京)科技有限公司 | Granulating method of glass batch |
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| CN101891368B (en) | 2012-03-21 |
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