CN103482848A - Pelletizing production process for glass batch mixture - Google Patents
Pelletizing production process for glass batch mixture Download PDFInfo
- Publication number
- CN103482848A CN103482848A CN201310373920.3A CN201310373920A CN103482848A CN 103482848 A CN103482848 A CN 103482848A CN 201310373920 A CN201310373920 A CN 201310373920A CN 103482848 A CN103482848 A CN 103482848A
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- China
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- admixtion
- pellet
- powdery
- batch mixture
- glass batch
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000006066 glass batch Substances 0.000 title claims abstract description 16
- 239000000203 mixture Substances 0.000 title claims abstract description 15
- 238000005453 pelletization Methods 0.000 title abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000000465 moulding Methods 0.000 claims abstract description 26
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 12
- 238000005303 weighing Methods 0.000 claims abstract description 8
- 239000008188 pellet Substances 0.000 claims description 46
- 238000005469 granulation Methods 0.000 claims description 38
- 230000003179 granulation Effects 0.000 claims description 38
- 238000007906 compression Methods 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 25
- 235000017550 sodium carbonate Nutrition 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 abstract description 11
- 239000005361 soda-lime glass Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 238000003723 Smelting Methods 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 239000012856 weighed raw material Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910021532 Calcite Inorganic materials 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001447 ferric ion Inorganic materials 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 229940001516 sodium nitrate Drugs 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 238000010671 solid-state reaction Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Glass Compositions (AREA)
Abstract
The invention relates to a pelletizing production process for a glass batch mixture. The pelletizing production process is characterized by comprising the following steps: (1) weighing: weighing all raw materials of the batch mixture according to formula ratios of the batch mixture; (2) mixing: adding the weighed raw materials into a blender mixer and mixing to obtain powdery batch mixture; and (3) pelletizing and molding: conveying the powdery batch mixture into a roller press with a spiral pre-forming press, and rolling and molding to obtain a pelletized material. The raw materials of the batch mixture comprise sodium carbonate; the powdery batch mixture contains water; when the powdery batch mixture enters the roller press with the spiral pre-forming press, the temperature is 33-40 DEG C and the humidity is 5%-8%; in pelletizing and molding process, self cohesive action occurs only by the sodium carbonate and the water; the pelletizing rate is high and density of the pelletized material is great; the glass batch mixture can be applied to a glass production process so as to improve the smelting rate and reduce energy consumption; any adhesive is not added so that the glass batch mixture is simple and realizes an environment-friendly purpose. The process provided by the invention is applicable to pelletizing various soda-lime glass batch mixtures.
Description
Technical field
The present invention relates to glass manufacturing area, relate in particular to a kind of technique of glass batch granulation.
Background technology
Since glass industry produces, the method that people adopt the powdery admixtion to drop into the kiln fusing is always produced glass.Common soda-lime glass for example, its technique generally includes following steps: prepare admixtion, the powdery admixtion is dropped into to kiln and be molten into glass metal, glass metal is by artificial or mechanical-moulded, and stress relieving by annealing.The required temperature of fusion of the method is higher, and melting rate is lower, and power consumption is large, and cost is high.
In recent years, comprised that the countries in the world research and utilization pellet of China replaced the powdery admixtion to be melted, but due to the key point of failing to solve the pellet production technique always, and can't apply in glass production.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, provides a kind of technique simple, and balling ratio is high, and gained pellet density is large, can be applied in process of glass and improve melting rate, saves power consumption, the glass batch granulation production technique reduced costs.
For achieving the above object, the technical solution used in the present invention is: a kind of glass batch granulation production technique, it is characterized in that, and comprise the steps:
(1) weighing: the various raw materials of admixtion are pressed to the weighing of admixtion formula rate;
(2) mix: load weighted described raw material is dropped into to mixer and mixed, obtain the powdery admixtion;
(3) granulation moulding: the powdery admixtion is sent in the roll squeezer with the preloaded helical compression machine, and roll-forming is pellet;
The raw material of described admixtion comprises soda ash; contain water in the powdery admixtion; temperature when the powdery admixtion enters the described roll squeezer with the preloaded helical compression machine is 33-40 ℃; humidity is 5-8%, and the powdery admixtion by described soda ash and water, self cohesive action occurs in step (3) granulation moulding process.
Preferably, the described roll squeezer with the preloaded helical compression machine comprises the horizontal Tile setting, for two running rollers of roll-forming, and described pellet is avette, and the roller skin of described running roller is provided with, ball-and-socket that be semioval shape shape that adapt with described pellet profile.
Preferably, the pellet length of described pellet is 30-33mm, and width is 20-23mm, and thickness is 10-18mm.
Preferably, the length of described ball-and-socket is 30-33mm, and width is 20-23mm, and the degree of depth is 5-9mm.
Preferably, the described ball-and-socket that is covered with cross arrangement on the roller skin of described running roller.
Preferably, described production technique also is included in described step (3) afterwards, and pellet is passed through to the air cooler cooling and drying.
Preferably, described powdery admixtion, after the roll squeezer effect with the preloaded helical compression machine, forms described pellet and the powder of granulation moulding not, and the roll squeezer that described powder reenters with the preloaded helical compression machine carries out granulation.
The invention solves the defect existed in background technology, there is following beneficial effect:
1. the present invention makes a certain size and shape to the powdery admixtion that mixes by mechanical means; and the pellet with solid granulates state of certain physical strength; balling ratio is high, and pellet density is large, can be applied in process of glass; improve melting rate; save power consumption, reduce in kiln the situation that flies material, regenerator jam simultaneously, extend kiln work-ing life; improve operating environment, the protection worker is healthy.Be applicable to the granulation of various soda-lime glass admixtiones.
2. adopt roll squeezer with the preloaded helical compression machine as the granulation molding device, be free on part powdery admixtion outside compression zone after preloaded helical compression machine squeezing action, can be forced to clamp-on the roll squeezer compression zone, make the pellet density of moulding reach 1.9-2.1g/cm
3.
3. pellet density reaches 2.0g/cm
3during left and right, than the powdery admixtion, thermal conductivity increases by 1.8 times, greatly accelerates the conduction of velocity of heat to admixtion inside, makes admixtion inside bring up to rapidly the temperature that silicate reaction occurs.Simultaneously, larger pellet density shortens the mean distance between each feed particles of admixtion, and contact area increases.Be applied in process of glass, be conducive to solid state reaction, burn-off rate can be than the fast 10-20% of powdery admixtion.Save the fusing power consumption also can reach more than 10% simultaneously.
4. the admixtion temperature of controlling while entering the granulation molding device is 33-40 ℃, and humidity is 5-8%.On the one hand, can make admixtion in the granulation moulding process, rely on soda ash and water that self cohesive action occurs, improve balling ratio and increase pellet intensity, wherein balling ratio >=90%; On the other hand, what owing to boning, rely on is soda ash and the water that admixtion itself contains, and without additional any binding agent, technique is simpler, environmental protection.
5. dry admixtion directly enters the granulation molding device needs roll squeezer power to reach 55-75kw, and admixtion of the present invention keeps moisture state to enter the granulation molding device due to the humidity with 5-8%, can make the power of roll squeezer drop to 20-30kw.
6., when pellet is avette, can takes into account and obtain following effect: on running roller the processing of ball-and-socket be easier to, the pellet of pellet easily from the de-nest of ball-and-socket, contribute to the reasonable layout ball-and-socket and suitably improve pelletizing technology throughput.Especially the pellet size control of pellet is at length 30-33mm, and width is 20-23mm, and when thickness is 10-18mm, what on running roller, the pellet of the difficulty of processing of ball-and-socket and pellet was taken into account from the complexity of the de-nest of ball-and-socket is best.Be engaged in cross arrangement ball-and-socket on the roller skin of running roller, can also further improve above-mentioned throughput.
7. the pellet of pellet adopts length 30-33mm, and width 20-23mm, during the size of thickness 10-18mm; the ratio of thickness and length and width is suitable; make the speed that heat conducts from the pellet surface to centre further accelerate, the burn-off rate after the input kiln is also faster, saves more power consumptions.
8. the pellet of moulding reduces temperature by air cooler and reaches dry effect, than traditional drying plant, saves more multiple-energy-source.
9. the part powder of granulation moulding not after the effect of granulation molding device, loop granulation, is conducive to raise the efficiency and the pellet quality.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the process flow sheet of the preferred embodiments of the present invention.
Embodiment
The present invention is further detailed explanation in conjunction with the accompanying drawings and embodiments now.
As shown in Figure 1, a kind of glass batch granulation production technique, comprise the steps:
(1) weighing: the various raw materials of admixtion are pressed to the weighing of admixtion formula rate, and wherein, admixtion is the soda-lime glass admixtion, and raw material comprises soda ash.
(2) mix: load weighted raw material is dropped into to mixer and mixed, obtain the powdery admixtion.Above-mentioned raw materials can comprise that the water of free state also can not comprise the water of free state, and the water that specifically whether adds the raw material free state is mixed with the powdery admixtion, and the concrete addition of the water of free state, so that powdery admixtion humidity is controlled to 5-8% and determines.
(3) temporary: the powdery admixtion is kept in intermediate bunker.
(4) feed: oscillating feeder is 33-40 ℃ by the temperature of storing in intermediate bunker, and humidity is controlled at the powdery admixtion of 5-8% and sends in the roll squeezer with the preloaded helical compression machine.Oscillating feeder and with between the roll squeezer of preloaded helical compression machine, equipment for removing ferric ion being set, remove impurity in the powdery admixtion, extends granulation moulding service life of equipment.
(5) granulation moulding: the powdery admixtion, after the roll squeezer effect with the preloaded helical compression machine, forms pellet and the powder of granulation moulding not.
Self cohesive action occurs in the soda ash that the powdery admixtion contains by itself in the granulation moulding process and water, and the pellet pellet intensity of granulation moulding is increased.
Concrete, with the roll squeezer of preloaded helical compression machine, be the existing a kind of granulation molding device of the industry, comprise as the roll squeezer of main body with as the preloaded helical compression machine of supplementary structure.Wherein roll squeezer comprises that horizontal Tile arranges two running rollers that form two rollers, and the pellet obtained because of needs is avette, therefore the ball-and-socket adapted with the pellet profile is set on the roller skin of running roller.Oscillating feeder is during to the roll squeezer feed with the preloaded helical compression machine; the powdery admixtion is subject to the extruding of two rollers; major part enters compression zone granulation moulding; small portion is extruded ball-and-socket because of the upwards component that is subject to two rollers generations; the fluidize bed perhaps formed above two rollers due to the air be extruded in the powdery admixtion is difficult to enter compression zone; the preloaded helical compression machine of now simultaneously working is forced this part powdery admixtion to clamp-on compression zone by pressurization, makes pellet density reach 1.9-2.1g/cm
3.Wherein, running roller diameter 500-750mm, axial length 300-400mm, rotating speed 9-13 rev/min.The pressure of preloaded helical compression machine preferably is controlled at 10-20Mpa, specifically by variable frequency adjustment screw machine rotating speed, controls.
The ball-and-socket that preferably is covered with cross arrangement on the roller skin of running roller.The length of ball-and-socket is 30-33mm, and width is 20-23mm, and the degree of depth is 5-9mm.The pellet length of pellet is 30-33mm, and width is 20-23mm, and thickness is 10-18mm.
(6) the ball powder separates: by separating machine, pellet is separated with powder, powder reenters granulation molding device granulation by handling equipment.
(7) dry and storage: pellet, by the air cooler cooling and drying, is sent into afterwards to the pellet storage and deposited.Air cooler is for example selected aerofoil fan, blast 95-149Pa, air quantity 4263-8327m
3/ h.
It should be noted that, in the present invention, admixtion can be selected the soda-lime glass admixtion formula that the industry is general, concrete, in an embodiment, the admixtion formula that the contriver selects is comprised of the following raw material of ratio meter by weight: quartz sand 56-62 part, soda ash 18-22 part, SODIUMNITRATE 3-5 part, borax 2-4 part, aluminium hydroxide 2-4 part, Sodium Silicofluoride 0.5-1.5 part, sodium carbonate 1-3 part, calcite 8-12 part, rhombspar 1-3 part, finings 0.5-1.5 part.
Wherein, compound clarifier can be selected the corresponding raw material that the industry is general.Concrete, in an embodiment, the compound clarifier that the trade mark that the compound clarifier that the contriver selects is the production of Shen, Jiangsu China glass material company limited is SH4.
Above foundation desirable embodiment of the present invention is enlightenment, and by above-mentioned description, the related personnel can, in the scope that does not depart from this invention technological thought, carry out various change and modification fully.The technical scope of this invention is not limited to the content on specification sheets, must determine technical scope according to the claim scope.
Claims (7)
1. a glass batch granulation production technique, is characterized in that, comprises the steps:
(1) weighing: the various raw materials of admixtion are pressed to the weighing of admixtion formula rate;
(2) mix: load weighted described raw material is dropped into to mixer and mixed, obtain the powdery admixtion;
(3) granulation moulding: the powdery admixtion is sent in the roll squeezer with the preloaded helical compression machine, and roll-forming is pellet;
The raw material of described admixtion comprises soda ash; contain water in the powdery admixtion; temperature when the powdery admixtion enters the described roll squeezer with the preloaded helical compression machine is 33-40 ℃; humidity is 5-8%, and the powdery admixtion by described soda ash and water, self cohesive action occurs in step (3) granulation moulding process.
2. glass batch granulation production technique according to claim 1; it is characterized in that: the described roll squeezer with the preloaded helical compression machine comprises the horizontal Tile setting, for two running rollers of roll-forming; described pellet is avette, and the roller skin of described running roller is provided with, ball-and-socket that be semioval shape shape that adapt with described pellet profile.
3. glass batch granulation production technique according to claim 2, it is characterized in that: the pellet length of described pellet is 30-33mm, and width is 20-23mm, and thickness is 10-18mm.
4. glass batch granulation production technique according to claim 3, it is characterized in that: the length of described ball-and-socket is 30-33mm, and width is 20-23mm, and the degree of depth is 5-9mm.
5. glass batch granulation production technique according to claim 4, is characterized in that: the described ball-and-socket that is covered with cross arrangement on the roller skin of described running roller.
6. according to the described glass batch granulation of claim 1-5 any one production technique, it is characterized in that: also be included in described step (3) afterwards, pellet is passed through to the air cooler cooling and drying.
7. glass batch granulation production technique according to claim 6; it is characterized in that: described powdery admixtion is after the roll squeezer effect with the preloaded helical compression machine; form described pellet and the powder of granulation moulding not, the roll squeezer that described powder reenters with the preloaded helical compression machine carries out granulation.
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| CN201310373920.3A CN103482848A (en) | 2013-08-26 | 2013-08-26 | Pelletizing production process for glass batch mixture |
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| CN201310373920.3A CN103482848A (en) | 2013-08-26 | 2013-08-26 | Pelletizing production process for glass batch mixture |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445865A (en) * | 2014-09-28 | 2015-03-25 | 燕山大学 | Preparation method of glass batch particle/block |
| CN104973752A (en) * | 2015-04-24 | 2015-10-14 | 平湖旗滨玻璃有限公司 | Online ultrafine powder granulating and feeding production line and production technology |
| CN106746616A (en) * | 2016-12-01 | 2017-05-31 | 中国建材国际工程集团有限公司 | Single-sheet fire-resistant glass and preparation method thereof |
| GB2565261A (en) * | 2017-01-05 | 2019-02-13 | Gent Tim | A glass Briquette forming system |
| CN114349333A (en) * | 2022-01-20 | 2022-04-15 | 清远南玻节能新材料有限公司 | Binder, high-aluminosilicate glass, and preparation method and application thereof |
| CN115806378A (en) * | 2022-12-22 | 2023-03-17 | 秦皇岛弘华特种玻璃有限公司 | Low-expansion color borosilicate glass raw material granulation equipment and method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445865A (en) * | 2014-09-28 | 2015-03-25 | 燕山大学 | Preparation method of glass batch particle/block |
| CN104973752A (en) * | 2015-04-24 | 2015-10-14 | 平湖旗滨玻璃有限公司 | Online ultrafine powder granulating and feeding production line and production technology |
| CN106746616A (en) * | 2016-12-01 | 2017-05-31 | 中国建材国际工程集团有限公司 | Single-sheet fire-resistant glass and preparation method thereof |
| GB2565261A (en) * | 2017-01-05 | 2019-02-13 | Gent Tim | A glass Briquette forming system |
| GB2565261B (en) * | 2017-01-05 | 2021-05-19 | Gent Tim | A glass Briquette forming system |
| CN114349333A (en) * | 2022-01-20 | 2022-04-15 | 清远南玻节能新材料有限公司 | Binder, high-aluminosilicate glass, and preparation method and application thereof |
| CN115806378A (en) * | 2022-12-22 | 2023-03-17 | 秦皇岛弘华特种玻璃有限公司 | Low-expansion color borosilicate glass raw material granulation equipment and method |
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Application publication date: 20140101 |