CN100526256C - Production technique for preparing architectural ornament phosphorus slag cast stone by employing high-temperature phosphorus slag liquid - Google Patents
Production technique for preparing architectural ornament phosphorus slag cast stone by employing high-temperature phosphorus slag liquid Download PDFInfo
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- CN100526256C CN100526256C CNB2007100533701A CN200710053370A CN100526256C CN 100526256 C CN100526256 C CN 100526256C CN B2007100533701 A CNB2007100533701 A CN B2007100533701A CN 200710053370 A CN200710053370 A CN 200710053370A CN 100526256 C CN100526256 C CN 100526256C
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Abstract
The invention relates to a technique for the preparation of phosphorus dregs cast stone used for construction decoration and using high temperature phosphorus dregs fluid. The invention is characterized in that: firstly, the configuration and the preheating of auxiliary raw material: quartz sand and kaoline are taken as auxiliary raw materials and heated to 1,300-1,450 DEG C; secondly, hot ingredient: the high-temperature phosphorous dregs fluid, which is discharged from a phosphorus electric stove, passes a fluid groove and flows into a pond kiln, and the auxiliary raw material is put into a pond kiln simultaneously, wherein, the quality ratio of the phosphorus dregs to the auxiliary raw material is 65-75:25-35; thirdly, melting: the melting mix of the phosphorous dregs and the auxiliary raw material reaches 1,450-1,580 DEG C; fourthly, shaping; last, crystallization and annealing: the crystallization is processed under 1,000-1,150 DEG C for 60-120 minutes, and then is annealed to room temperature, thus a product is made. The invention can effectively use the thermal energy of the high-temperature phosphorous dregs fluid to realize the conversion of the phosphorous dregs fluid into the resources and reduce the energy consumption and the cost of cast stone production, thereby causing the phosphorous dregs cast stone adaptive to the purpose of large-scale construction decoration.
Description
Technical field
The present invention relates to a kind of production technique of utilizing high temperature phosphorous slag liquid to prepare the cast stone of architectural decoration phosphorus slag, this phosphorus slag cast stone product is mainly used in the building decoration field.
Background technology
As raw material, produce yellow phosphorus with Rock Phosphate (72Min BPL), discharge with CaO, SiO with electric furnace process
2For the temperature of main component at the high-temperature molten more than 1350 ℃, be high temperature phosphorous slag liquid.If high temperature phosphorous slag liquid is cooled off slagging through shrend, be phosphorus slag, be a kind of industrial solid wastes.Usually, every production 1t yellow phosphorus will be discharged 8～10t phosphorus slag.The phosphorus slag resource technology of China's active service mainly is to utilize the cooled producing cement with phosphatic slag of shrend, and its volume is not higher than 30% usually; Also have and utilize phosphorus slag to produce low value-added vitrified brick, material of construction such as non-burning brick.In addition, also utilize phosphorus slag to prepare Research of Glass-ceramics report and patent application.
Cast stone has compact structure, hardness height, wear-resisting, corrosion-resistant, good physico-chemical property such as the weathering resistance ability is strong, can be used as building and ornament materials.Yet, conventional cast stone product is to be made through operations such as fragmentation, fusing, casting, crystallization, annealing by raw material such as the basalt under the normal temperature state, diabase, rhombspar, industrial residues, owing to fragmentation, the fusing energy consumption of raw material are very high, with respect to traditional building and ornament materials as the pottery for, the production cost of cast stone is higher, is difficult to be used on a large scale the building decoration field.
Summary of the invention
Mainly adopt phosphorus slag behind the quenching at the phosphorus slag resource technology of active service, the unavailable deficiency of heat energy that has high temperature phosphorous slag liquid, mainly prepare burden at the preparation of active service cast stone product simultaneously with raw material, found, exist the heat fused energy consumption too high, production cost is higher, be not suitable for being used as on a large scale the deficiency of building and ornament materials, the object of the present invention is to provide a kind of production technique of utilizing high temperature phosphorous slag liquid to prepare the cast stone of architectural decoration phosphorus slag, this method directly utilizes high temperature phosphorous slag liquid to prepare the cast stone of architectural decoration phosphorus slag, effectively utilized the heat energy of high temperature phosphorous slag liquid, realize the direct resource utilization of phosphorus slag liquid, reduce energy consumption and production cost that cast stone is produced.
To achieve these goals, technical scheme of the present invention is: utilize high temperature phosphorous slag liquid to prepare the production technique of architectural decoration phosphorus slag cast stone, it is characterized in that it may further comprise the steps:
(1) preparation of auxiliary material and preheating: with quartz sand and kaolin as auxiliary material, with granularity less than the quartz sand of 0.5mm and kaolin by the mass ratio weighing of 21～27:4～8 and mix, drop in the kiln again, be preheated to 1300～1450 ℃, the auxiliary material after the preheating, standby;
(2) heat batching: will flow into tank furnace by fluid groove by the phosphorus slag liquid more than 1350 ℃ that refining phosphorus electric furnace is discharged, and the auxiliary material after the preheating that makes in the step (1) dropped into tank furnace synchronously, wherein, the mass ratio of phosphorus slag liquid and auxiliary material is 65～75:25～35;
(3) consolute: phosphorus slag liquid and the auxiliary material consolute temperature in tank furnace is 1450～1580 ℃, and soaking time is 120～240min; Under this consolute temperature, silicate reaction and vitrifying reaction take place between phosphorus slag liquid and auxiliary material, make phosphorus slag liquid under the auxiliary material effect, be converted into the uniform modified phosphorous slag liquid of material property;
(4) moulding: modified phosphorous slag liquid flows out from the discharge port of tank furnace, adopts conventional cast molding or compression moulding or calendering formation technology, and modified phosphorous slag liquid is shaped to tabular cast stone presoma;
(5) crystallization and annealing: the cast stone presoma is transferred in tunnel furnace or shuttle kiln or the roller kiln, handles 60～120min 1000～1150 ℃ of following crystallization, annealing is cooled to room temperature again, makes architectural decoration phosphorus slag cast stone product.
Accompanying drawing 1 has provided technological process of production figure of the present invention.
In step (1), the purpose of auxiliary material being carried out preheating is, reduce the temperature difference between auxiliary material and the high temperature phosphorous slag liquid, suddenly condensation clustering phenomena when preventing that high temperature phosphorous slag liquid from contacting with auxiliary material, thereby help the dispersion of auxiliary material in high temperature phosphorous slag liquid, also help the mixing between the two and the carrying out of various high-temperature chemical reactions.
In step (1), the kaolin also clay of available other kind replaces, as smectites clay or illite class clay.
In step (2), the fluid groove that connects refining phosphorus electric furnace and tank furnace adopts lagging facility, in case of necessity, can use electrical heating device that fluid groove is carried out heat tracing, so that can flow into tank furnace smoothly with liquid state from the effusive high temperature phosphorous slag liquid of refining phosphorus electric furnace.
In step (2), when high temperature phosphorous slag liquid flows into tank furnace, auxiliary material should drop into tank furnace by the mass ratio that feeds intake synchronously by the influx of high temperature phosphorous slag, its purpose is to improve the initial dispersion degree of auxiliary material in high temperature phosphorous slag liquid, thereby helps the carrying out of the contacting of high temperature phosphorous slag liquid and auxiliary material, mixing and various high-temperature chemical reactions.
In step (3), can whipping device be set in tank furnace, be beneficial to mixing of high temperature phosphorous slag liquid and auxiliary material, improve the material homogeneity of modified phosphorous slag liquid simultaneously.
In step (3), if the working condition permission, the temperature of tank furnace melting end should be high as far as possible, with the viscosity of reduction phosphorus slag liquid, thereby helps flowing of phosphorus slag liquid, and raising phosphorus slag liquid contacts with auxiliary material, the blended probability, quickens the carrying out of high-temperature chemical reaction.
In the present invention, mixing of auxiliary material mainly is for pure phosphorus slag liquid being carried out modification, being beneficial to the raising of the crystallization and the phosphorus slag cast stone product physical strength of cast stone presoma.This is because the chemical composition range of pure phosphorus slag liquid is (mass percent): 35～41%SiO
2, 2～4%Al
2O
3, 43～49%CaO, 4～10% other compositions, its chemical constitution characteristics are higher, the SiO of CaO content
2And Al
2O
3Content is on the low side, and therefore, the casting matrix of pure phosphorus slag liquid can not obtain physical strength phosphorus slag cast stone preferably product after crystallization is handled.On the contrary, by the admixture auxiliary material, the chemical constitution of phosphorus slag liquid is adjusted, the chemical composition range of the modified phosphorous slag liquid that makes is (mass percent): 50～60%SiO
2, 5～8%Al
2O
3, 28～35%CaO, 4～10% other compositions, can be the phosphorus slag cast stone product of physical strength then with the effective crystallization of the casting matrix of modified phosphorous slag liquid greater than 25MPa, satisfy the requirement of strength of building and ornament materials substantially.
In the present invention, prepared phosphorus slag cast stone product shows white.If will prepare the phosphorus slag cast stone product of other color, only need in step of the present invention (1), to get final product with quartz sand, an amount of tinting material of kaolin admixture.
Beneficial effect of the present invention is as follows:
(1) can effectively utilize the heat energy of high temperature phosphorous slag liquid.Usually the phosphorus slag liquid temp of refining phosphorus electric furnace discharge is a kind of high-temperature fusion attitude material more than 1350 ℃, contains a large amount of heat energy.The phosphorus slag resource technology of active service normally carries out recycling with the phosphorus slag behind the quenching as raw material.The cooling of phosphorus slag liquid has caused the huge waste of heat energy.In the present invention, the high temperature phosphorous slag liquid of directly quoting the discharging of refining phosphorus electric furnace carries out the preparation of architectural decoration phosphorus slag cast stone as main raw material, and the volume of phosphorus slag liquid is up to more than 65%, but the heat energy of effective recycling phosphorus slag liquid;
(2) can effectively realize the resource utilization of phosphorus slag.The phosphorus slag liquid that refining phosphorus electric furnace is discharged all flows into tank furnace, and under the modifying function of auxiliary material, finally make architectural decoration phosphorus slag cast stone product, can be with the whole resource utilizations of phosphorus slag refuse behind the refining phosphorus, make whole phosphorus production realize the zero release of refuse, reach the cleaner production requirement, meet circular economy concept;
(3) can save the energy consumption of cast stone production, the production cost of reduction cast stone.Conventional cast stone product is to be made through operations such as fragmentation, fusing, casting, crystallization, annealing by raw material such as the basalt under the normal temperature state, diabase, rhombspar, industrial residues, owing to fragmentation, the fusing energy consumption of raw material are very high, with respect to traditional building and ornament materials as the pottery for, the production cost of cast stone is higher, is difficult to be used on a large scale the building decoration field.In the present invention, directly quote high temperature phosphorous slag liquid as main raw material, phosphorus slag liquid does not need break process, phosphorus slag liquid itself is molten state simultaneously, contain a large amount of heat energy, therefore, utilize high temperature phosphorous slag liquid as the cast stone of main material production phosphorus slag, cast stone production with respect to routine, but the fusion energy consumption of the comminution energy conssumption of conservation and raw material, reduce the cast stone production cost of products significantly, made its building and ornament materials that become a class low production cost, can be suitable for the usefulness of large-scale building decoration fully;
(4) help environment protection.Described in (3), the present invention is class building and ornament materials cheap for manufacturing cost with high temperature phosphorous slag liquid as the cast stone of main material production directly, can be used for building decoration on a large scale, correspondingly help a large amount of this refuses of phosphorus slag of dissolving, turn waste into wealth, thoroughly solve problems such as phosphorus slag land occupation, destruction ecotope, alleviate phosphorus production the health of human body that the local resident caused is threatened;
(5) simple, the production technique of batching is easy to realize.Among the present invention, auxiliary material only is quartz sand and kaolin.The auxiliary material kind is few, volume is low, do not have down from molten ability at 1300～1450 ℃, can clinkering in warm not agglomerating, so aborning, easily the auxiliary material after the preheating is spiked in the high temperature phosphorous slag liquid, and mixing by hydrothermal solution convection process realization auxiliary material and high temperature phosphorous slag liquid, and finish silicate reaction and vitrifying reaction, realize modification to pure phosphorus slag liquid.In addition, because cast stone presoma crystallization is very capable, the chemical composition range broad, so cast stone requires all not high to the material homogeneity of melt (the present invention is specially modified phosphorous slag liquid), chemical constitution, bubble rate etc. in actual production, processing condition are loose, therefore, the present invention adopts hot batching mode, soon auxiliary material is directly thrown in the high temperature phosphorous slag liquid and is prepared burden, both made the modified phosphorous slag liquid material of founding not too even, chemical constitution fluctuates to some extent, or contains a small amount of bubble, all can not influence the production of cast stone product, so the present invention is easy to realize aborning.Compare, utilize phosphorus slag to prepare devitrified glass, then need the multiple auxiliary material of admixture, shown in the patent specification that Chinese patent application number is 200510003205.6, the auxiliary material of this patent is 5 kinds (disregarding colorant), and the preparation of devitrified glass is to the material homogeneity of frit material (female glass), chemical constitution, bubble rates etc. are strict, be difficult to auxiliary material directly is spiked in the high temperature phosphorous slag liquid by hot batching mode, so adopted cold batching mode in this patent application, promptly utilize cooled phosphorus slag as main raw material, undertaken finishing blending process after the Forced Mixing by the admixture auxiliary material.
Description of drawings
Fig. 1 is technological process of production figure of the present invention.
Embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with Fig. 1 and embodiment, but content of the present invention not only is confined to the following examples.
Embodiment 1:
As shown in Figure 1, utilize high temperature phosphorous slag liquid to prepare the production technique of architectural decoration phosphorus slag cast stone, it may further comprise the steps:
(1) preparation of auxiliary material and preheating: with quartz sand and kaolin as auxiliary material, with granularity less than the quartz sand of 0.5mm and kaolin by 22: 8 mass ratio weighing and mix, drop into again in the kiln, be preheated to 1400 ℃, the auxiliary material after the preheating, standby;
(2) heat batching: will flow into tank furnace by fluid groove by the high temperature phosphorous slag liquid that refining phosphorus electric furnace is discharged, and the auxiliary material after the preheating that makes in the step (1) is dropped into tank furnace synchronously, wherein, the mass ratio of phosphorus slag liquid and auxiliary material is 70: 30;
(3) consolute: phosphorus slag liquid and the auxiliary material consolute temperature in tank furnace is 1550 ℃, and soaking time is 180min; Under this consolute temperature, silicate reaction and vitrifying reaction take place between phosphorus slag liquid and auxiliary material, make phosphorus slag liquid under the auxiliary material effect, be converted into the uniform modified phosphorous slag liquid of material property;
(4) moulding: modified phosphorous slag liquid flows out from the discharge port of tank furnace, adopts conventional casting molding process, and modified phosphorous slag liquid is shaped to tabular cast stone presoma;
(5) crystallization and annealing: the cast stone presoma is transferred to tunnel furnace, handles 90min 1100 ℃ of following crystallization; Be chilled to 800 ℃, be chilled to 600 ℃, be chilled to room temperature by 20 ℃/min rate of cooling again, finish the annealing process of cooling, make the architectural decoration phosphorus slag cast stone product of white by 8 ℃/min rate of cooling by 10 ℃/min rate of cooling.
Embodiment 2:
Utilize high temperature phosphorous slag liquid to prepare the production technique of architectural decoration phosphorus slag cast stone, it may further comprise the steps:
(1) preparation of auxiliary material and preheating: with quartz sand and kaolin as auxiliary material, with granularity less than the quartz sand of 0.5mm and kaolin by 25: 10 mass ratio weighing and mix, drop into again in the kiln, be preheated to 1400 ℃, the auxiliary material after the preheating, standby;
(2) heat batching: will flow into tank furnace by fluid groove by the high temperature phosphorous slag liquid that refining phosphorus electric furnace is discharged, and the auxiliary material after the preheating that makes in the step (1) is dropped into tank furnace synchronously, wherein, the mass ratio of phosphorus slag liquid and auxiliary material is 65: 35;
(3) consolute: phosphorus slag liquid and the auxiliary material consolute temperature in tank furnace is 1550 ℃, and soaking time is 240min; Under this consolute temperature, silicate reaction and vitrifying reaction take place between phosphorus slag liquid and auxiliary material, make phosphorus slag liquid under the auxiliary material effect, be converted into the uniform modified phosphorous slag liquid of material property;
(4) moulding: modified phosphorous slag liquid flows out from the discharge port of tank furnace, adopts conventional casting molding process, and modified phosphorous slag liquid is shaped to tabular cast stone presoma;
(5) crystallization and annealing: the cast stone presoma is transferred to tunnel furnace, handles 120min 1130 ℃ of following crystallization; Be chilled to 800 ℃, be chilled to 600 ℃, be chilled to room temperature by 20 ℃/min rate of cooling again, finish the annealing process of cooling, make the architectural decoration phosphorus slag cast stone product of white by 8 ℃/min rate of cooling by 10 ℃/min rate of cooling.
Embodiment 3:
Utilize high temperature phosphorous slag liquid to prepare the production technique of architectural decoration phosphorus slag cast stone, it may further comprise the steps:
(1) preparation of auxiliary material and preheating: with quartz sand and kaolin as auxiliary material, with granularity less than the quartz sand of 0.5mm and kaolin by 20: 5 mass ratio weighing and mix, drop into again in the kiln, be preheated to 1400 ℃, the auxiliary material after the preheating, standby;
(2) heat batching: will flow into tank furnace by fluid groove by the high temperature phosphorous slag liquid that refining phosphorus electric furnace is discharged, and the auxiliary material after the preheating that makes in the step (1) is dropped into tank furnace synchronously, wherein, the mass ratio of phosphorus slag liquid and auxiliary material is 75: 25;
(3) consolute: phosphorus slag liquid and the auxiliary material consolute temperature in tank furnace is 1550 ℃, and soaking time is 120min.Under this consolute temperature, silicate reaction and vitrifying reaction take place between phosphorus slag liquid and auxiliary material, make phosphorus slag liquid under the auxiliary material effect, be converted into the uniform modified phosphorous slag liquid of material property;
(4) moulding: modified phosphorous slag liquid flows out from the discharge port of tank furnace, adopts conventional casting molding process, and modified phosphorous slag liquid is shaped to tabular cast stone presoma;
(5) crystallization and annealing: the cast stone presoma is transferred to tunnel furnace, handles 60min 1100 ℃ of following crystallization; Be chilled to 800 ℃, be chilled to 600 ℃, be chilled to room temperature by 20 ℃/min rate of cooling again, finish the annealing process of cooling, make the architectural decoration phosphorus slag cast stone product of white by 8 ℃/min rate of cooling by 10 ℃/min rate of cooling.
Embodiment 4:
Utilize high temperature phosphorous slag liquid to prepare the production technique of architectural decoration phosphorus slag cast stone, it may further comprise the steps:
(1) preparation of auxiliary material and preheating: with quartz sand and kaolin as auxiliary material, with granularity less than the quartz sand of 0.5mm and kaolin by 18: 7 mass ratio weighing and mix, drop into again in the kiln, be preheated to 1300 ℃, the auxiliary material after the preheating, standby;
(2) heat batching: will flow into tank furnace by fluid groove by the high temperature phosphorous slag liquid that refining phosphorus electric furnace is discharged, and the auxiliary material after the preheating that makes in the step (1) is dropped into tank furnace synchronously, wherein, the mass ratio of phosphorus slag liquid and auxiliary material is 75: 25;
(3) consolute: phosphorus slag liquid and the auxiliary material consolute temperature in tank furnace is 1450 ℃, and soaking time is 240min.Under this consolute temperature, silicate reaction and vitrifying reaction take place between phosphorus slag liquid and auxiliary material, make phosphorus slag liquid under the auxiliary material effect, be converted into the uniform modified phosphorous slag liquid of material property;
(4) moulding: modified phosphorous slag liquid flows out from the discharge port of tank furnace, adopts conventional casting molding process, and modified phosphorous slag liquid is shaped to tabular cast stone presoma;
(5) crystallization and annealing: the cast stone presoma is transferred to tunnel furnace, handles 120min 1000 ℃ of following crystallization; Be chilled to 800 ℃, be chilled to 600 ℃, be chilled to room temperature by 20 ℃/min rate of cooling again, finish the annealing process of cooling, make the architectural decoration phosphorus slag cast stone product of white by 8 ℃/min rate of cooling by 10 ℃/min rate of cooling.
Embodiment 5:
Utilize high temperature phosphorous slag liquid to prepare the production technique of architectural decoration phosphorus slag cast stone, it may further comprise the steps:
(1) preparation of auxiliary material and preheating: with quartz sand and kaolin as auxiliary material, with granularity less than the quartz sand of 0.5mm and kaolin by 27: 8 mass ratio weighing and mix, drop into again in the kiln, be preheated to 1300 ℃, the auxiliary material after the preheating, standby;
(2) heat batching: will flow into tank furnace by fluid groove by the high temperature phosphorous slag liquid that refining phosphorus electric furnace is discharged, and the auxiliary material after the preheating that makes in the step (1) is dropped into tank furnace synchronously, wherein, the mass ratio of phosphorus slag liquid and auxiliary material is 65: 35;
(3) consolute: phosphorus slag liquid and the auxiliary material consolute temperature in tank furnace is 1580 ℃, and soaking time is 240min.Under this consolute temperature, silicate reaction and vitrifying reaction take place between phosphorus slag liquid and auxiliary material, make phosphorus slag liquid under the auxiliary material effect, be converted into the uniform modified phosphorous slag liquid of material property;
(4) moulding: modified phosphorous slag liquid flows out from the discharge port of tank furnace, adopts conventional casting molding process, and modified phosphorous slag liquid is shaped to tabular cast stone presoma;
(5) crystallization and annealing: the cast stone presoma is transferred to tunnel furnace, handles 120min 1150 ℃ of following crystallization; Be chilled to 800 ℃, be chilled to 600 ℃, be chilled to room temperature by 20 ℃/min rate of cooling again, finish the annealing process of cooling, make the architectural decoration phosphorus slag cast stone product of white by 8 ℃/min rate of cooling by 10 ℃/min rate of cooling.
Claims (1)
1. utilize high temperature phosphorous slag liquid to prepare the production technique of architectural decoration phosphorus slag cast stone, it is characterized in that it may further comprise the steps:
(1) preparation of auxiliary material and preheating: with quartz sand and kaolin as auxiliary material, with granularity less than the quartz sand of 0.5mm and kaolin by the mass ratio weighing of 21～27:4～8 and mix, drop in the kiln again, be preheated to 1300～1450 ℃, the auxiliary material after the preheating, standby;
(2) heat batching: will flow into tank furnace by fluid groove by the phosphorus slag liquid more than 1350 ℃ that refining phosphorus electric furnace is discharged, and the auxiliary material after the preheating that makes in the step (1) dropped into tank furnace synchronously, wherein, the mass ratio of phosphorus slag liquid and auxiliary material is 65～75:25～35;
(3) consolute: phosphorus slag liquid and the auxiliary material consolute temperature in tank furnace is 1450～1580 ℃, and soaking time is 120～240min; Under this consolute temperature, silicate reaction and vitrifying reaction take place between phosphorus slag liquid and auxiliary material, make phosphorus slag liquid under the auxiliary material effect, be converted into the uniform modified phosphorous slag liquid of material property;
(4) moulding: modified phosphorous slag liquid flows out from the discharge port of tank furnace, adopts conventional cast molding or compression moulding or calendering formation technology, and modified phosphorous slag liquid is shaped to tabular cast stone presoma;
(5) crystallization and annealing: the cast stone presoma is transferred in tunnel furnace or shuttle kiln or the roller kiln, handles 60～120min 1000～1150 ℃ of following crystallization, annealing is cooled to room temperature again, makes architectural decoration phosphorus slag cast stone product.
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|---|---|---|---|
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|---|---|---|---|
| CNB2007100533701A CN100526256C (en) | 2007-09-26 | 2007-09-26 | Production technique for preparing architectural ornament phosphorus slag cast stone by employing high-temperature phosphorus slag liquid |
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| CN100526256C true CN100526256C (en) | 2009-08-12 |
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| JP5603207B2 (en) * | 2010-11-08 | 2014-10-08 | 湖州大享玻璃制品有限公司 | Crystallized glass continuous molding method and crystallized glass continuous molding apparatus |
| CN102718416B (en) * | 2012-02-29 | 2013-12-25 | 邹岳明 | Method for recovering heat in high temperature slag from yellow phosphorus furnace and making brick |
| CN103304158A (en) * | 2012-03-13 | 2013-09-18 | 祝茂昌 | Process for producing silicate plate in molten metal forming tank by utilizing molten state slag |
| CN104313211A (en) * | 2014-10-29 | 2015-01-28 | 唐山国丰钢铁有限公司 | Method for directly producing building brick by fusing blast furnace slags |
| CN105923981A (en) * | 2016-05-04 | 2016-09-07 | 昆明理工大学 | Method for preparing common glass by means of molten-state yellow phosphorus slag |
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Non-Patent Citations (2)
| Title |
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| 黄磷渣微晶玻璃制备及显微结构分析. 杨家宽等.矿产综合利用，第2期. 2003 |
| 黄磷渣微晶玻璃制备及显微结构分析. 杨家宽等.矿产综合利用，第2期. 2003 * |
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Effective date of registration: 20170421 Address after: 311300 Ling'an, Castle Peak Lake Street, Zhejiang street, No. 6 Patentee after: Zhejiang China Science and Technology Co.,Ltd. Address before: 430074 Wuhan Road, Hongshan, Shandong Province, Lu Lu Road, No. 388, No. Co-patentee before: Zhou Jun Patentee before: Wuhan in the big asset management Co.,Ltd. Effective date of registration: 20170421 Address after: 430074 Wuhan Road, Hongshan, Shandong Province, Lu Lu Road, No. 388, No. Co-patentee after: Zhou Jun Patentee after: Wuhan in the big asset management Co.,Ltd. Address before: 430074 Wuhan Road, Hongshan, Shandong Province, Lu Lu Road, No. 388, No. Co-patentee before: Zhou Jun Patentee before: CHINA University OF GEOSCIENCES (WUHAN CITY) Effective date of registration: 20170421 Address after: 430074 Wuhan Road, Hongshan, Shandong Province, Lu Lu Road, No. 388, No. Co-patentee after: Zhou Jun Patentee after: CHINA University OF GEOSCIENCES (WUHAN CITY) Address before: 430074 Wuhan Road, Hongshan, Shandong Province, Lu Lu Road, No. 388, No. Patentee before: CHINA University OF GEOSCIENCES (WUHAN CITY) |