CN106007362A - Low-iron soda-lime silicate ultra-white calendered photovoltaic glass bubble-removing auxiliary agent and glass preparation method - Google Patents

Low-iron soda-lime silicate ultra-white calendered photovoltaic glass bubble-removing auxiliary agent and glass preparation method Download PDF

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Publication number
CN106007362A
CN106007362A CN201610126107.XA CN201610126107A CN106007362A CN 106007362 A CN106007362 A CN 106007362A CN 201610126107 A CN201610126107 A CN 201610126107A CN 106007362 A CN106007362 A CN 106007362A
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silicate
auxiliary agent
photovoltaic glass
ultrawhite
bubble
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CN106007362B (en
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杨镇远
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Yiyang crystal photovoltaic Mstar Technology Ltd
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Shenzhen Chemical Industry Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C03C1/004Refining agents
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/225Refining

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
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  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Glass Compositions (AREA)

Abstract

The invention provides a low-iron soda-lime silicate ultra-white calendered photovoltaic glass bubble-removing auxiliary agent and a glass preparation method. The total weight of components in the low-iron soda-lime silicate ultra-white calendered photovoltaic glass bubble-removing auxiliary agent is 100%, and the low-iron soda-lime silicate ultra-white calendered photovoltaic glass bubble-removing auxiliary agent includes 6.0 wt.%-26.0 wt.% of Sb2O3, 0.0 wt.%-8.0 wt.% of As2O3, 41.0 wt.%-50.0 wt.% of Na2SO4, and 35.0 wt.%-48.0 wt.% of NaNO3. The method has the advantages that in the premise of no change of conventional production line equipment and no increase of energy consumption, bubbles generated in the preparation process of low-iron soda-lime silicate ultra-white calendered photovoltaic glass can be effectively removed, the hygroscopy of materials can be reduced, and the chemical stability of the bubble-removing auxiliary agent is improved.

Description

The calendering of low ferrum sodium calcium-silicate ultrawhite photovoltaic glass de-bubble auxiliary agent, glass preparation side Method
[technical field]
The present invention relates to low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass system Standby field, particularly relates to a kind of low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass Glass de-bubble auxiliary agent, method for glass preparation.
[background technology]
Low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass have high transmission rate, High transparent and higher heat stability, low ferrum sodium calcium-silicate ultrawhite is rolled The encapsulation cover plate glass that photovoltaic glass is broadly divided into needed for solaode (is used In crystal silicon solar batteries) and electrically conducting transparent AZO glass (ZnO:Al, Zinc oxide aluminum, for thin-film solar cells).At solaode spectrum In the wave-length coverage of response (380nm-1180nm), light transmittance is up to 91% Above.Low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass is positioned at solar-electricity The outermost layer in assembly front, pond, out of doors under environment, directly receives sunlight and shines Penetrating, it can protect solar module not corroded by steam.And intercept Oxygen mode aoxidizes, and has good insulating properties and ageing-resistant performance, corrosion resistant Erosion performance etc..In order to make the light transmittance of glass reach optimum and accelerate glass Liquid is clarified, and generally produces at low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass In, a certain amount of de-bubble auxiliary agent will be added in frit, the most often De-bubble auxiliary agent have oxidation antimony powder (Sb2O3), Sodium antimonite. (Na[Sb(OH)6]) etc..In order to make Sb2O3Or Na [Sb (OH)6] at glass The clarification of glass liquid plays maximum effect, the most all needs to coordinate it with nitric acid to make With, existing vitreous humour clarification de-bubble less effective.
Additionally, join producing low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass When closing material, it is common that the most automatically claim by certain formula proportion electronic scale Amount, then sends into fusing in melting furnaces after mix homogeneously.Its technological process of production As follows:
Electronic scale rolls photovoltaic glass formula by low ferrum sodium calcium-silicate ultrawhite (this formula containing silica sand, soda, dolomite, calcite, aluminium powder, Natrii Sulfas, Sodium nitrate, monomer de-bubble auxiliary agent) automatic weighing → proportioning belt conveying → silicon Sand+soda+dolomite+calcite+aluminium powder+Natrii Sulfas+sodium nitrate+monomer de-bubble Auxiliary agent entrance mixer is mixed to form batch → employing belt conveyor conveying and joins Close material entrance furnace hopper → batch charger and batch is sent into high temperature melting in melting furnaces Change.Adopt when weighing in manner just described, de-bubble auxiliary agent, sodium nitrate and Natrii Sulfas Weigh respectively on three independent electronic scales respectively, its drawback:
(1) three different feed bins must be set, three different electronic scales, And control respectively to weigh;
(2) toward in batch bin during feeding must feeding one by one, extend work Time, add labor strength, and flying when expanding material batch turning Raise species;
Owing to Natrii Sulfas and sodium nitrate all belong to easy deliquescence article, particularly in the north Rainy season and south plum rain season, after sodium nitrate deliquescence, as being immersed in water In, or after moisture evaporation, form lump, make not only to feeding, batch weighing Become the biggest difficulty, and easily cause weighing error.
[summary of the invention]
For overcoming existing low ferrum sodium calcium-silicate ultrawhite to roll photovoltaic glass bubble Being difficult to the problem removed, the present invention provides a kind of and uses simple low ferrum sodium calcium silicon Hydrochlorate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent, method for glass preparation.
The present invention solves above-mentioned technical problem, it is provided that a technical scheme: a kind of Low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent, with described low ferrum In sodium-calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent, each component is overall Weight is 100%, and described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass removes Bubble auxiliary agent includes: Sb2O3: 6.0wt.%-26.0wt.%;As2O3: 0.0 Wt.%-8.0wt.%;Na2SO4: 41.0wt.%-50.0wt.%;And NaNO3: 30.0wt.%-48.0wt.%.
Preferably, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble Auxiliary agent includes following component: Sb2O3: 6.5wt.%-15.0.0wt.%;As2O3: 0.0 Wt.%-2.0wt.%;Na2SO4: 43.0wt.%-48.0wt.%;And NaNO3: 31.0 Wt.%-45.0wt.%.
Preferably, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble Auxiliary agent farther includes following component: Fe2O3: 0.0wt.%-0.006wt.%; And NaCl:0wt.%-0.35wt.%.
Preferably, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass removes Bubble auxiliary agent includes following component: Sb2O3: 6.0wt.%-26.0wt.%;As2O3: 0.0wt.%-2.0wt.%;Na2SO4: 41.0wt.%-50.0wt.%;NaNO3: 31.0wt.%-48.0wt.%;Fe2O3: 0.0wt.%-0.006wt.%;And NaCl:0.0wt.%-0.35wt.%.
Preferably, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass removes Bubble auxiliary agent includes following component: Sb2O3: 6.0wt.%-15.0wt.%;As2O3: 0.0wt.%-2.0wt.%;Na2SO4: 41.0wt.%-45.0wt.%;NaNO3: 40.0wt.%-48.0wt.%;Fe2O3: 0.0wt.%-0.006wt.%;And NaCl:0.0wt.%-0.20wt.%.
Preferably, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass removes Bubble auxiliary agent farther includes: H2BO3: 0.0wt.%-13.5wt.%.
Preferably, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble Auxiliary agent includes following component: Sb2O3: 6.5wt.%-9.7wt.%;As2O3: 0.0 Wt.%-0.48wt.%;Na2SO4: 43.0wt.%-48.0wt.%;NaNO3: 31.0 Wt.%-45.0wt.%;And H2BO3: 5.0wt.%-13.5wt.%.
Preferably, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble Auxiliary agent includes following component: Sb2O3: 6.5wt.%-9.7wt.%;As2O3: 0.0 Wt.%-0.48wt.%;Na2SO4: 43.0wt.%-48.0wt.%;NaNO3: 31.0 Wt.%-40.0wt.%;H2BO3: 5.0wt.%-13.2wt.%;And NaCl:0.0 Wt.%-0.35wt.%.
The present invention solves above-mentioned technical problem, it is provided that another technical scheme: Plant method for glass preparation to include: in mixer, add low ferrum sodium calcium silicic acid successively Salt ultrawhite calendering photovoltaic glass raw material and low ferrum sodium calcium-silicate ultrawhite calendering light Volt glass de-bubble auxiliary agent also mixes;Wherein, with described low ferrum sodium calcium silicic acid In salt ultrawhite calendering photovoltaic glass de-bubble auxiliary agent, the overall weight of each component is 100%, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent Including: Sb2O3: 6.0wt.%-26.0wt.%;As2O3: 0.0wt.%-8.0wt.%; Na2SO4: 41.0wt.%-50.0wt.%;And NaNO3: 35.0wt.%-48.0 Wt.%.
Preferably, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass raw material And the reaction temperature of low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent Degree is 1250 DEG C-1450 DEG C.
Compared with prior art, low ferrum sodium calcium-silicate of the present invention is utilized to surpass The low ferrum sodium calcium-silicate ultrawhite pressure that white calendering photovoltaic glass de-bubble auxiliary agent produces Prolong the light transmittance of photovoltaic glass and can reach about 95%, and have and preferably clarify Effect, its preparation and the process of use are easy.Described low ferrum sodium calcium-silicate ultrawhite Calendering photovoltaic glass de-bubble auxiliary agent may be directly applied to low ferrum sodium calcium-silicate and surpasses On white calendering photovoltaic glass production line, use described low ferrum sodium calcium-silicate ultrawhite Calendering photovoltaic glass de-bubble auxiliary agent can be saved manpower, reduce labor strength; Also can reduce material to fly upward, reduce the pollution level to environment, alleviate ring Packing pressure.
[detailed description of the invention]
In order to make the purpose of the present invention, technical scheme and advantage are clearer, Below in conjunction with embodiment, the present invention is further elaborated.Should Understand, specific embodiment described herein only in order to explain the present invention, and It is not used in the restriction present invention.
Low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass batch melting process In, various salts decompose produce gas, typically can discharge carbon dioxide, water, Ammonia and nitrogen, these gases can enter in glass.Additionally, glass preparation Cheng Zhong, is easily generated gas and enters in vitreous humour, thus forming bubble in kiln, Reduce the clarity of glass, as kiln refractory material reacts with melten glass The gas produced, some gases that the burning of kiln flame produces also can enter glass In liquid.
Owing to gas dissolubility in glass melt has certain limit, i.e. produce Bubble, comprises multiple gases in bubble.In order to accelerate the clarified of photovoltaic glass Journey, needs to add appropriate de-bubble auxiliary agent in batch, dividing of de-bubble auxiliary agent Son is attracted to bubble surface grid and forms adsorption layer, inhales under high temperature action Attached layer cracks, and gas enters in bubble therewith, adsorption layer cracking same Time, owing to the adsorption layer acting on bubble surface of absorption affinity starts constantly to recover. Constantly cracking and the recovery of adsorption layer, causes the reason that bubble is grown up rapidly just, This mode that de-bubble auxiliary agent gives bubble gas occurs rapidly, and it is complete Entirely it is different from the process of osmosis of gas diffusion slowly.
Existing technology is difficult to reach low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic Clarifying effect needed for glass technology requirement.Low ferrum sodium calcium-silicate ultrawhite is rolled The existence of bubble in photovoltaic glass, have impact on the optical homogeneity of glass, printing opacity The performances such as property, mechanical strength.
In order to solve above-mentioned drawback, the present invention is according to low ferrum sodium calcium-silicate ultrawhite The feature of calendering photovoltaic glass formula and the physics of various raw material, chemistry are (especially It is that antimony powder is dried, Natrii Sulfas and the easy deliquescence of sodium nitrate) characteristic, it is provided that a kind of applicable In the de-bubble auxiliary agent that low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass uses.
For solving the problems referred to above, first embodiment of the invention provides a kind of low ferrum Sodium-calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent, with described low ferrum sodium calcium The overall weight of each component in silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent Being 100%, the calendering photovoltaic glass de-bubble of described low ferrum sodium calcium-silicate ultrawhite helps Agent includes following component:
Sb2O3: 6.0wt.%-26.0wt.%;
As2O3: 0.0wt.%-8.0wt.%;
Na2SO4: 41.0wt.%-50.0wt.%;And
NaNO3: 30.0wt.%-48.0wt.%;
In the wherein preferred embodiment of first embodiment of the invention, low to form In ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent, each component is total Body weight is 100%, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass De-bubble auxiliary agent can include following component:
Sb2O3: 6.5wt.%-15.0wt.%;
As2O3: 0.0wt.%-2.0wt.%;
Na2SO4: 43.0wt.%-48.0wt.%;And
NaNO3: 31.0wt.%-45.0wt.%;
In order to obtain more excellent low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass De-bubble and final clarifying effect, the first variant embodiment in the present embodiment In, to form in low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent The overall weight of each raw material is 100%, described low ferrum sodium calcium-silicate ultrawhite pressure Prolong photovoltaic glass de-bubble auxiliary agent and can include following component:
Sb2O3: 6.0wt.%-26.0wt.%;
As2O3: 0.0wt.%-2.0wt.%;
Na2SO4: 41.0wt.%-50.0wt.%;
NaNO3: 31.0wt.%-48.0wt.%;
Fe2O3: 0.0wt.%-0.006wt.%;And
NaCl:0.0wt.%-0.35wt.%.
In some preferably embodiment, provided in the first variant embodiment Described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent is the suitableeest In low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass.
In some preferably embodiment, low ferrum sodium described in the first variant embodiment Calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent is preferably as follows for including Component:
Sb2O3: 6.0wt.%-15.0wt.%;
As2O3: 0.0wt.%-2.0wt.%;
Na2SO4: 41.0wt.%-45.0wt.%;
NaNO3: 40.0wt.%-48.0wt.%;
Fe2O3: 0.0wt.%-0.006wt.%;And:
NaCl:0.0wt.%-0.20wt.%.
In the second variant embodiment in the present embodiment, to form low ferrum sodium In calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent, each component is overall Weight is 100%, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass De-bubble auxiliary agent may also include following component:
Sb2O3: 6.5wt.%-9.7wt.%;
As2O3: 0.0wt.%-0.48wt.%;
Na2SO4: 43.0wt.%-48.0wt.%;
NaNO3: 31.0wt.%-45.0wt.%;And
H2BO3: 5.0wt.%-13.5wt.%.
In the 3rd variant embodiment of the present embodiment, to form low ferrum sodium calcium silicon In hydrochlorate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent, the overall weight of each component is 100%, described ultrawhite calendering de-bubble auxiliary agent can include following component:
Sb2O3: 6.5wt.%-9.7wt.%;
As2O3: 0.0wt.%-0.48wt.%;
Na2SO4: 43.0wt.%-48.0wt.%;
NaNO3: 31.0wt.%-40.0wt.%;
H2BO3: 5.0wt.%-13.2wt.%;And
NaCl:0.0wt.%-0.35wt.%.
The present invention some preferably in embodiment, to form low ferrum sodium calcium silicon In hydrochlorate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent, each raw material (may in raw material Containing other impurity) overall weight be 100%, described ultrawhite calendering remove Bubble auxiliary agent can include the raw material of following percentage by weight:
Oxidation antimony powder: 7.0wt.%-27.0wt.%;
Arsenic oxide arsenoxide: 0.0wt.%-9.0wt.%;
Thenardite: 42.0wt.%-51.0wt.%;And
Sodium nitrate: 41.0wt.%-49.0wt.%;
Further, to form low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass The TBW of the raw material (other impurity may be contained in raw material) of glass de-bubble auxiliary agent Amount is 100%, the calendering photovoltaic glass de-bubble of described low ferrum sodium calcium-silicate ultrawhite Auxiliary agent can farther include the raw material of following percentage by weight:
Oxidation antimony powder (containing arsenic powder): 14.9wt.%;
Thenardite: 42.1wt.%;And
Sodium nitrate: 43.0wt.%;
Wherein, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble helps The moisture content < 1.0wt.% of agent.Forming described low ferrum sodium calcium-silicate ultrawhite As in the raw material of calendering photovoltaic glass de-bubble auxiliary agent2O3Content is typically by raw Produce stibium oxide side-product and bring calculating into, according to Sb2O3Production purity is different, As2O3The amount brought into is different, the most individually allocates arsenic oxide arsenoxide into.
Second embodiment of the invention also provides for a kind of method for glass preparation, and it is concrete The preparation method of photovoltaic glass is rolled for a kind of low ferrum sodium calcium-silicate ultrawhite, its In, form the component bag of described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass Include low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass raw material and (do not include that de-bubble helps Agent, lower same) and low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent, It specifically can comprise the steps:
Step S1, adds low ferrum sodium calcium-silicate ultrawhite successively in mixer Calendering photovoltaic glass raw material and low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass De-bubble auxiliary agent also mixes;
Wherein, photovoltaic glass de-bubble is rolled with described low ferrum sodium calcium-silicate ultrawhite In auxiliary agent, the overall weight of each component is 100%, described low ferrum sodium calcium-silicate Ultrawhite calendering photovoltaic glass de-bubble auxiliary agent includes following component:
Sb2O3: 6.0wt.%-26.0wt.%;
As2O3: 0.0wt.%-8.0wt.%;
Na2SO4: 41.0wt.%-50.0wt.%;And
NaNO3: 30.0wt.%-48.0wt.%;
Step S2, forms batch after having mixed, batch is through material conveying Belt, is delivered in furnace hopper;
Step S3, batch is sent in melting furnaces by batch charger, batch high temperature After fusing, sequentially pass through calender, after transition roller table, annealing kiln be prepared, Obtain required low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass.
In above-mentioned steps S1, in some preferably embodiment, low to form The overall weight of ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass raw material is 100%, Described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass raw material includes following group Point:
Silica sand: 60.0wt.%-70.0wt.%;
Soda: 5.0wt.%-10.0wt.%;
Dolomite: 0.1wt.%-5.0wt.%;
Calcite: 5.0wt.%-10.0wt.%;And
Aluminium powder: 6.0wt.%-10.0wt.%.
Wherein, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble helps The content of agent is that described low ferrum sodium calcium-silicate ultrawhite rolls photovoltaic glass raw material The 0.1%-5.5% of overall weight.
In above-mentioned steps S2, described low ferrum sodium calcium-silicate ultrawhite calendering light Volt frit removes with described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass Bubble auxiliary agent is mixed to form batch.
In some preferably embodiment, described low ferrum sodium calcium-silicate ultrawhite pressure The content prolonging photovoltaic glass de-bubble auxiliary agent is described low ferrum sodium calcium-silicate ultrawhite The 3.5%-5.5% of the overall weight of calendering photovoltaic glass raw material.
In above-mentioned steps S3, described batch prepares described low ferrum sodium The reaction temperature of calcium-silicate ultrawhite calendering photovoltaic glass can be 1250 DEG C -1450 DEG C, concrete reaction temperature is according to described low ferrum sodium calcium-silicate ultrawhite Proportioning and the performance requirement thereof of calendering photovoltaic glass determine, described low ferrum sodium calcium silicon Hydrochlorate ultrawhite calendering photovoltaic glass raw material and described low ferrum sodium calcium-silicate ultrawhite The reaction temperature of calendering photovoltaic glass de-bubble auxiliary agent can be 1250 DEG C, 1280 DEG C, 1340 DEG C, 1380 DEG C, 1420 DEG C or 1450 DEG C.Along with the rising of temperature, Glass clarifying effect can be become better and better, it is contemplated that the economy in actual production Benefit and the quality of refractory material, be not that temperature is the highest more good, should select clear Clear effect is preferable, and temperature relatively low a little as the fusion temperature tested below Point, as in the present invention, preferably range of reaction temperature is preferably 1340 DEG C -1380 DEG C, 1280 DEG C-1340 DEG C, 1340 DEG C-1420 DEG C, 1380 DEG C-1450 DEG C Etc. scope.
In order to described low ferrum sodium calcium-silicate ultrawhite is rolled photovoltaic glass de-bubble Auxiliary agent and use described low ferrum sodium calcium-silicate ultrawhite roll photovoltaic glass de-bubble The described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass that auxiliary agent prepares Being further detailed, be listed below is embodied as group:
Experimental group 1
With each in low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent The overall weight of component is 100%, and described low ferrum sodium calcium-silicate ultrawhite is rolled The component of photovoltaic glass de-bubble auxiliary agent is as follows:
Sb2O3: 12.8wt.%;
As2O3: 2.0wt.%;
Na2SO4: 42.9wt.%;And
NaNO3: 42.3wt.%;
The preparation method of described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass As follows:
Step S1, uses the low ferrum sodium calcium-silicate provided in this experimental group 1 Ultrawhite calendering photovoltaic glass de-bubble auxiliary agent, to form low ferrum sodium calcium-silicate ultrawhite The overall weight of calendering photovoltaic glass raw material is 100%, described low ferrum sodium calcium silicon Hydrochlorate ultrawhite calendering photovoltaic glass raw material includes following components:
Silica sand: 70.0wt.%;
Soda: 9.1wt.%;
Dolomite: 4.0wt.%;
Calcite: 8.4wt.%;And
Aluminium powder: 8.5wt.%;
Described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent Content is the total of described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass raw material The 3.5% of body weight;
Above-mentioned silica sand, soda, dolomite, Fang Xie is added successively in mixer Stone, aluminium powder and low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent are also Mix;
Step S2, after having mixed, mixed batch is through material conveying skin Band, is delivered in furnace hopper;
Step S3, batch is sent in melting furnaces by batch charger, batch high temperature After fusing, after sequentially passing through calender, transition roller table, annealing kiln, it is thus achieved that institute Need low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass, wherein, described batch Fusion temperature be 1380 DEG C.
Experimental group 2
This experimental group 2 is with the difference of above-mentioned experimental group 1: at former experimental group The composition forming described de-bubble auxiliary agent on the basis of 1 increases Fe newly2O3And NaCl. With each component in low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent Overall weight be 100%, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic The component of glass de-bubble auxiliary agent is as follows:
Sb2O3: 12.8wt.%;
As2O3: 2.0wt.%;
Na2SO4: 42.9wt.%;
NaNO3: 42.1wt.%;
Fe2O3: 0.005wt.%;And
NaCl:0.195wt.%.
Experimental group 3
This experimental group 3 is with the difference of above-mentioned experimental group 1: at former experimental group On the basis of 1, the composition of de-bubble auxiliary agent increases H newly2BO3.With low ferrum sodium calcium silicic acid In salt ultrawhite calendering photovoltaic glass de-bubble auxiliary agent, the overall weight of each component is 100%, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent Component as follows:
Sb2O3: 6.7wt.%;
As2O3: 0.46wt.%;
Na2SO4: 43.84wt.%;
NaNO3: 37.0wt.%;And
H2BO3: 12.0wt.%.
Experimental group 4
This experimental group 4 is with the difference of above-mentioned experimental group 1: at former experimental group The composition forming de-bubble auxiliary agent on the basis of 1 increases H2BO3And NaCl.With Each component in low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent Overall weight is 100%, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass The component of glass de-bubble auxiliary agent is as follows:
Sb2O3: 6.5wt.%;
As2O3: 0.48wt.%;
Na2SO4: 43.84wt.%;
NaNO3: 37.0wt.%;
H2BO3: 12.6wt.%;And
NaCl:0.12wt.%.
In the present invention, in addition to above-mentioned experimental group 1-4, with low ferrum sodium calcium The overall weight of each component in silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent Being 100%, the calendering photovoltaic glass de-bubble of described low ferrum sodium calcium-silicate ultrawhite helps In agent, the percentage by weight of component can be as shown in table 1:
Table 1, low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent experimental group table
Above-mentioned experimental group 1-11 is merely illustrative, in other embodiments, and group Become each of described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent The ratio of component can be also:
Sb2O3Account for the percentage ratio of each component overall weight can be specially 7.9wt.%, 9.6wt.%, 10.3wt.%, 13.4wt.%, 15.6wt.%, 17.8wt.%, 19.4wt.%, 21.5wt.%, 23.1wt.%, 24.5wt.% or 24.9%.
As2O3The percentage ratio accounting for each component overall weight can be specially 0.01 Wt.%, 0.02wt.%, 0.06wt.%, 0.08wt.%, 0.13wt.%, 0.16wt.%, 0.28wt.%, 0.33wt.%, 0.37wt.%, 0.43wt.%, 0.45%, 0.48wt.%, 0.97wt.%, 1.31wt.%, 1.53wt.%, 1.79wt.% and 2.0wt.%.
Na2SO4The percentage ratio accounting for each component overall weight can be specially 40.1 Wt.%, 41.0wt.%, 41.2wt.%, 41.9wt.%, 43.1wt.%, 43.51wt.%, 44.1wt.%, 45.8wt.%, 46.2wt.%, 48.0wt.%, 48.6wt.%, 49.7wt.% or 50.0wt.%.
NaNO3The percentage ratio accounting for each component overall weight can be specially 30.5wt.%, 32.12wt.%, 33.19wt.%, 35.6wt.%, 37.1wt.%, 39.1wt.%, 40.1wt.%, 41.5wt.%, 42.3wt.%, 43.5wt.%, 44.7wt.%, 45.0wt.%, 46.8wt.%, 47.5wt.% or 48.0wt.%.
Fe2O3The percentage ratio accounting for each component overall weight can be specially 0.001 Wt.%, 0.002wt.%, 0.003wt.%, 0.004wt.% or 0.005wt.%.
NaCl account for the percentage ratio of each component overall weight can be specially 0.05wt.%, 0.08wt.%, 0.10wt.%, 0.13wt.%, 0.17wt.%, 0.19wt.%, 0.209wt.%, 0.21wt.%, 0.217wt.%, 0.27wt.%, 0.29wt.%, 0.31wt.%, 0.34wt.% or 0.35wt.%,.
H2BO3Account for the percentage ratio of each component overall weight can be specially 4.9wt.%, 5.6wt.%, 8.7wt.%, 9.7wt.%, 10.2wt.%, 11.5wt.%, 11.1wt.%, 11.5wt.%, 11.9wt.%, 12.3wt.%, 12.7wt.%, 13.37wt.%, 13.4wt.%, 13.47wt.% or 13.5w.%.
Form the calendering photovoltaic glass de-bubble of described low ferrum sodium calcium-silicate ultrawhite to help Can be mutually combined between each component of agent, its described low ferrum sodium formed The weight percent of the calcium-silicate ultrawhite calendering photovoltaic glass each component of de-bubble auxiliary agent Ratio range than each component met provided in the present invention.
In order to verify the low ferrum sodium calcium-silicate provided in the present invention further Ultrawhite is rolled photovoltaic glass de-bubble auxiliary agent and uses its prepared low ferrum obtained The effect of sodium-calcium-silicate ultrawhite calendering photovoltaic glass, the present invention is further to upper State the prepared low ferrum sodium calcium-silicate ultrawhite calendering light obtained of experimental group 1-11 The visible transmission of volt glass surpasses than with its low ferrum sodium calcium-silicate used The clarifying effect of white calendering photovoltaic glass de-bubble auxiliary agent detects.
On the basis of above-mentioned experimental group 1-11, in the present invention, arrange many Individual contrast groups is compared:
Contrast groups 1
Contrast groups 1 is with the difference of above-mentioned experimental group 1: to form low ferrum sodium calcium The overall weight of silicate ultrawhite calendering photovoltaic glass raw material is 100%, described Low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass raw material includes following components:
Silica sand: 70.0wt.%;
Soda: 9.1wt.%;
Dolomite: 4.0wt.%;
Calcite: 8.4wt.%;And
Aluminium powder: 8.5wt.%.
Any glass de-bubble auxiliary agent is not added in contrast groups 1.
Contrast groups 2
Contrast groups 2 is with the difference of above-mentioned experimental group 1: remove in contrast groups 2 Bubble auxiliary agent is rolled photovoltaic glass by low ferrum sodium calcium-silicate ultrawhite of the present invention De-bubble auxiliary agent replaces with single oxide (as used Sb in this contrast groups2O5)。
Contrast groups 3
Contrast groups 3 is with the difference of above-mentioned experimental group 1: remove in contrast groups 3 Bubble auxiliary agent is rolled photovoltaic glass by low ferrum sodium calcium-silicate ultrawhite of the present invention It is (described that de-bubble auxiliary agent replaces with the oxide de-bubble auxiliary agent being made up of following component Each component sum is 100wt.%):
Sb2O3: 25.0wt.%;
CeO2: 5.0wt.%;
BaSO4: 30.0wt.%;
CaSO4: 30.0wt.%;And
CaF2: 10.0wt.%.
In addition to above-mentioned contrast groups 1-3, with low ferrum sodium calcium-silicate ultrawhite pressure Prolonging the overall weight of each component in photovoltaic glass de-bubble auxiliary agent is 100%, described The weight of component in low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent Amount percentage ratio can be as shown in table 2:
Table 2, low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent experimental group table
In contrast groups 2-11, the overall weight of the de-bubble auxiliary agent used is equal, Component of glass raw material is consistent and prepares the calendering of low ferrum sodium calcium-silicate ultrawhite The steps flow chart of photovoltaic glass is also consistent (i.e. temperature, reactions steps consistent).
In order to contrast experiment organizes, 1-11 is different from employed in contrast groups 1-11 to be removed The low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass that bubble auxiliary agent prepares Properties of product and effect thereof, the present invention low ferrum sodium calcium silicic acid to prepared acquisition The light transmittance of salt ultrawhite calendering photovoltaic glass is tested with bubble degree.
The calendering photovoltaic glass light transmittance test of low ferrum sodium calcium-silicate ultrawhite
Method of testing:
Use monolayer low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic in this experiment Glass carries out the mensuration of optical property, uses photovoltaic glass optics properties to test Method (GB/T 30983-2014) is to experimental group 1-11 and contrast groups 1-11 institute The low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass of the same thickness prepared Glass carries out light transmittance (350nm-1800nm) test.
Test result: specifically refer to such as table 3 below.
Table 3, experimental group 1-11 of the present invention tests list with contrast groups 1-11 light transmittance
Inspection project Light transmittance Inspection project Light transmittance
Experimental group 1 92% Contrast groups 1 50%
Experimental group 2 94.5% Contrast groups 2 72%
Experimental group 3 95.5% Contrast groups 3 83%
Experimental group 4 96% Contrast groups 4 75%
Experimental group 5 93.1% Contrast groups 5 77%
Experimental group 6 92.2% Contrast groups 6 69%
Experimental group 7 92.3% Contrast groups 7 70%
Experimental group 8 92.5% Contrast groups 8 78%
Experimental group 9 92.7% Contrast groups 9 80%
Experimental group 10 91.9% Contrast groups 10 81%
Experimental group 11 92.2% Contrast groups 11 73%
Test result analysis:
From table 3 it is observed that above-mentioned experimental group 1-11 prepare low Ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass carry out light transmittance detection, it is seen that The light transmittance of experimental group 1-11, all at standard-required more than 91%, has more excellent Optical property.And the light transmittance of contrast groups 1-11 is below ultrawhite calendering light The light transmittance requirement of volt glass, wherein, contrast groups 1 is only 50%, it is seen then that Low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass preparation process adds and removes The prepared acquisition of bubble auxiliary agent low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass Air bubble content is relatively big, and light transmittance is poor.And contrast groups 2 and contrast groups 3 are divided Do not add single de-bubble auxiliary agent, its clarifying effect and experimental group 1-11 of the present invention In compare poor, although contrast groups 4-11 adds various ingredients, but Its light transmittance is still significantly less than the light transmittance of experimental group 1-11 of the present invention.
The calendering photovoltaic glass bubble degree test of low ferrum sodium calcium-silicate ultrawhite
Method of testing:
Use colouless optical glass method of testing (GB/T 7962.8-2010) right The experimental group 1-11 same thickness that obtain prepared with contrast groups 1-11 and length and width The low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass of ratio carries out bubble degree test, Bubble degree is detected as reference standard bubble sample and judges and contained in record glass The number of the field trash such as bubble, calculus.
Test result: the most as shown in table 4:
Table 4, experimental group 1-11 of the present invention and contrast groups 1-11 bubble degree test result List
Test result analysis:
As can be seen from Table 4, the low ferrum sodium calcium-silicate of experimental group 1-11 The bubble degree of ultrawhite calendering photovoltaic glass is significantly lower than contrast groups 1-11.
Wherein, low ferrum sodium calcium-silicate ultrawhite described in experimental group 1-11 is used The rear prepared low ferrum sodium calcium silicic acid obtained of calendering photovoltaic glass de-bubble auxiliary agent Salt ultrawhite calendering photovoltaic glass has the reason of more excellent clarifying effect and is:
Understanding from above-mentioned table 3 and table 4, there is a certain amount of removing in glass melt Bubble auxiliary agent, as contained As in de-bubble auxiliary agent2O3、Sb2O3, As2O3With Sb2O3 Producing oxygen after reaching its decomposition temperature, produced oxygen makes vitreous humour bubble The dividing potential drop of middle gas reduces, thus beneficially the growing up of bubble, accelerate bubble Get rid of, thus reach the purpose of clarification.Sb2O3Clarification decomposition temperature relatively As2O3Low, use the Sb provided in the present invention2O3With As2O3Ratio, Clarifying effect can be made preferable, and be possible to prevent the generation of secondary bubble.
In the present invention, NaNO3Introduction volume be As2O3The 8-20 of consumption Times.
In described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent It is further introduced into NaSO4, when reaching NaSO4During decomposes, generate oxygen With sulfur dioxide gas, bubble is grown up and dissolves by these newly-generated gases Play an important role, as can play Action of Surfactant, interfacial turbulence effect, High-temperature exhaust air effect and homogenization etc..Thered is provided in the present invention is described low In ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent, NaSO4Only exist The final stage of glass batch fusing just discharges sulfur trioxide gas.
In experimental group 2 and experimental group 4, the introducing of NaCl, to required system Viscosity and the surface of standby low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass are opened Power causes large effect, and NaCl, in glass melt, is easily formed [FeCl3] The gasification of volatile matter and its own is volatilized and is played clarification, the fusing of NaCl Temperature is 801 DEG C, and its boiling point is 1413 DEG C.NaCl volatilizees when high temperature, It is diffused into from vitreous humour in residual bubble, makes the air bubble expansion of residual, thus Accelerate the rising effusion of bubble, promote the low ferrum sodium calcium-silicate ultrawhite pressure of preparation Prolong the clarification of photovoltaic glass.In actual applications, the usage amount of NaCl is suitable Important, as NaCl is very few, then glass clarifying effect is poor, and such as NaCl Consumption is excessive, then glass clarifying can be caused excessively to make glass milkiness.At this Bright provided low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent In, the usage amount of NaCl is 0-0.35.wt%, can make NaCl and described low ferrum Other component of sodium-calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent matches Close and use, thus reach optimum clarifying effect.
In experimental group 3, H2BO3As described low ferrum sodium calcium-silicate ultrawhite Calendering one of photovoltaic glass de-bubble auxiliary agent adds, from above-mentioned table 1 it can be seen that Add H2BO3After, can further improve described low ferrum sodium calcium-silicate and surpass The white de-bubble effect rolling photovoltaic glass de-bubble auxiliary agent.
In experimental group 1-11 of the present invention, in glass preparation between each component Cheng Zhong, due to affected by temperature, in the different phase of glass melting calendering Decompose and produce corresponding product (such as the gas such as oxygen, sulfur dioxide), these Gas decomposes, with the various salts of composition glass, the bubble produced, so that Bubbles burst also disappears.In this process, described low ferrum sodium calcium silicic acid is formed Influence each other between each component of salt ultrawhite calendering photovoltaic glass de-bubble auxiliary agent, produce Raw synergism, will create more excellent de-bubble clarification effect than contrast groups 1-11 Really.
Contrast experiment organizes 1-11 and contrast groups 1-11, due under cryogenic, Bubble by glass melt decompose and produce, and hot conditions (as 1400-1450 DEG C) under, de-bubble auxiliary agent uses excess that gas rate can be caused excessive, Generating a large amount of foam when pyroreaction, and be unfavorable for clarification, removing so increasing Bubble auxiliary agent is also required to add suitable amount, additionally, due to can produce between each component Raw reciprocal influence, therefore, the adjustment of each amounts of components is not by simply Replacement or experiment can obtain.
Compared with prior art, low ferrum sodium calcium-silicate provided by the present invention surpasses White calendering photovoltaic glass de-bubble auxiliary agent, low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic Glass and preparation method thereof also has the advantage that
(1) low ferrum sodium calcium-silicate ultrawhite of the present invention is utilized to roll photovoltaic The low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass that glass de-bubble auxiliary agent produces Light transmittance can reach about 95%, and there is preferably clarifying effect, its system Standby and use process simply uses.
(2) low ferrum sodium calcium-silicate ultrawhite of the present invention is utilized to roll photovoltaic The low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass that glass de-bubble auxiliary agent produces No matter preparing glass charge, melt, in shaping, also can be at glass by adjusting proportioning Meet the use demand of client in glass performance, and obtain preferably glass clarifying effect Really.
(3) described low ferrum sodium calcium-silicate ultrawhite provided by the present invention calendering Photovoltaic glass de-bubble auxiliary agent have preferably clarifying effect and its preparation and use Process simply uses.Described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass removes Each proportioning of bubble auxiliary agent can roll photovoltaic in low ferrum sodium calcium-silicate ultrawhite Directly use without transformation on glass production line;Manpower can be saved, reduce work People's labor intensity;Also can reduce material to fly upward, reduce the pollution journey to environment Degree, alleviates environmental protection pressure.
(4) described low ferrum sodium calcium-silicate ultrawhite provided by the present invention is used Calendering photovoltaic glass de-bubble auxiliary agent can be effectively improved material weighing precision, reduces Weigh link and discharging beat, accelerate weighing speed, improve work efficiency also Save production cost further.
(5) the described low ferrum sodium calcium-silicate ultrawhite calendering light that the present invention provides Volt glass de-bubble auxiliary agent is applicable to the low ferrum sodium calcium of multiple different process demand In silicate low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass, have wider Practicality.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit The present invention processed, all any amendments made within the principle of the present invention, equivalent Within replace and improvement etc. all should comprise protection scope of the present invention.

Claims (10)

1. one kind low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass removes Bubble auxiliary agent, it is characterised in that: surpass with described low ferrum sodium calcium-silicate In white calendering photovoltaic glass de-bubble auxiliary agent, the overall weight of each component is 100%, described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass removes Bubble auxiliary agent includes:
Sb2O3: 6.0wt.%-26.0wt.%;
As2O3: 0.0wt.%-8.0wt.%;
Na2SO4: 41.0wt.%-50.0wt.%;And
NaNO3: 30.0wt.%-48.0wt.%.
The lowest ferrum sodium calcium-silicate ultrawhite Calendering photovoltaic glass de-bubble auxiliary agent, it is characterised in that: described low ferrum Sodium-calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent includes as follows Component:
Sb2O3: 6.5wt.%-15.0.0wt.%;
As2O3: 0.0wt.%-2.0wt.%;
Na2SO4: 43.0wt.%-48.0wt.%;And
NaNO3: 31.0wt.%-45.0wt.%.
The lowest ferrum sodium calcium-silicate ultrawhite Calendering photovoltaic glass de-bubble auxiliary agent, it is characterised in that: described low ferrum Sodium-calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent wraps further Include following component:
Fe2O3: 0.0wt.%-0.006wt.%;And
NaCl:0.0wt.%-0.35wt.%.
The lowest ferrum sodium calcium-silicate ultrawhite Calendering photovoltaic glass de-bubble auxiliary agent, it is characterised in that: described low ferrum Sodium-calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent include as Lower component:
Sb2O3: 6.0wt.%-26.0wt.%;
As2O3: 0.0wt.%-2.0wt.%;
Na2SO4: 41.0wt.%-50.0wt.%;
NaNO3: 31.0wt.%-48.0wt.%;
Fe2O3: 0.0wt.%-0.006wt.%;And
NaCl:0.0wt.%-0.35wt.%.
The lowest ferrum sodium calcium-silicate ultrawhite Calendering photovoltaic glass de-bubble auxiliary agent, it is characterised in that: described low ferrum Sodium-calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent include as Lower component:
Sb2O3: 6.0wt.%-15.0wt.%;
As2O3: 0.0wt.%-2.0wt.%;
Na2SO4: 41.0wt.%-45.0wt.%;
NaNO3: 40.0wt.%-48.0wt.%;
Fe2O3: 0.0wt.%-0.006wt.%;And
NaCl:0.0wt.%-0.20wt.%.
The lowest ferrum sodium calcium-silicate ultrawhite Calendering photovoltaic glass de-bubble auxiliary agent, it is characterised in that: described low ferrum Sodium-calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent is further Including: H2BO3: 0wt.%-13.5wt.%.
The lowest ferrum sodium calcium-silicate ultrawhite pressure Prolong photovoltaic glass de-bubble auxiliary agent, it is characterised in that: described low ferrum sodium Calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent includes following group Point:
Sb2O3: 6.5wt.%-9.7wt.%;
As2O3: 0.0wt.%-0.48wt.%;
Na2SO4: 43.0wt.%-48.0wt.%;
NaNO3: 31.0wt.%-45.0wt.%;And
H2BO3: 5.0wt.%-13.5wt.%.
The lowest ferrum sodium calcium-silicate ultrawhite pressure Prolong photovoltaic glass de-bubble auxiliary agent, it is characterised in that: described low ferrum sodium Calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent includes following group Point:
Sb2O3: 6.5wt.%-9.7wt.%;
As2O3: 0.0wt.%-0.48wt.%;
Na2SO4: 43.0wt.%-48.0wt.%;
NaNO3: 31.0wt.%-40.0wt.%;
H2BO3: 5.0wt.%-13.2wt.%;And
NaCl:0.0wt.%-0.35wt.%.
9. a method for glass preparation, it is characterised in that: described glass Glass preparation method includes:
Low ferrum sodium calcium-silicate ultrawhite pressure is added successively in mixer Prolong photovoltaic glass raw material and low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic Glass de-bubble auxiliary agent also mixes;
Wherein, photovoltaic is rolled with described low ferrum sodium calcium-silicate ultrawhite In glass de-bubble auxiliary agent, the overall weight of each component is 100%, described Low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent includes:
Sb2O3: 6.0wt.%-26.0wt.%;
As2O3: 0.0wt.%-8.0wt.%;
Na2SO4: 41.0wt.%-50.0wt.%;And
NaNO3: 35.0wt.%-48.0wt.%.
10. method for glass preparation as claimed in claim 9, its feature It is: described low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass is former Material and low ferrum sodium calcium-silicate ultrawhite calendering photovoltaic glass de-bubble auxiliary agent Reaction temperature be 1250 DEG C-1450 DEG C.
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CN109851216A (en) * 2019-01-24 2019-06-07 中国洛阳浮法玻璃集团有限责任公司 One kind being used for float process ultra-clear glasses compound clarifier

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CN102730971A (en) * 2011-04-01 2012-10-17 河南思可达光伏材料股份有限公司 High-transmitance ultra-white figured glass and its preparation technology
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Publication number Priority date Publication date Assignee Title
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CN101306918A (en) * 2007-08-03 2008-11-19 李彪 Production process of ultra-white patterned glass
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Publication number Priority date Publication date Assignee Title
CN106830669A (en) * 2017-01-09 2017-06-13 杨京安 One kind is without arsenic combined oxidation fining agent
CN109851216A (en) * 2019-01-24 2019-06-07 中国洛阳浮法玻璃集团有限责任公司 One kind being used for float process ultra-clear glasses compound clarifier

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