CN111454076A - Ceramsite proppant prepared from blast furnace tapping channel waste and preparation process - Google Patents
Ceramsite proppant prepared from blast furnace tapping channel waste and preparation process Download PDFInfo
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- 239000002699 waste material Substances 0.000 title claims abstract description 77
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 64
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000005245 sintering Methods 0.000 claims abstract description 67
- 239000004927 clay Substances 0.000 claims abstract description 41
- 229910052742 iron Inorganic materials 0.000 claims abstract description 38
- 239000002994 raw material Substances 0.000 claims abstract description 30
- 239000000654 additive Substances 0.000 claims abstract description 13
- 230000000996 additive effect Effects 0.000 claims abstract description 13
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 11
- 238000012216 screening Methods 0.000 claims description 11
- 239000011230 binding agent Substances 0.000 claims description 10
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 9
- 239000004375 Dextrin Substances 0.000 claims description 9
- 229920001353 Dextrin Polymers 0.000 claims description 9
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 9
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 claims description 9
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 9
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 9
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 9
- 235000019425 dextrin Nutrition 0.000 claims description 9
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 8
- 239000007767 bonding agent Substances 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 7
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 239000011572 manganese Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 229910021532 Calcite Inorganic materials 0.000 claims description 5
- 229910000514 dolomite Inorganic materials 0.000 claims description 5
- 239000010459 dolomite Substances 0.000 claims description 5
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 4
- 239000011449 brick Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000000265 homogenisation Methods 0.000 claims 1
- 239000011819 refractory material Substances 0.000 abstract description 10
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000002910 solid waste Substances 0.000 abstract description 3
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000004321 preservation Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 239000012798 spherical particle Substances 0.000 description 2
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- -1 shale Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009495 sugar coating Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000012856 weighed raw material Substances 0.000 description 1
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/009—Porous or hollow ceramic granular materials, e.g. microballoons
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/04—Clay; Kaolin
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- C04B33/13—Compounding ingredients
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- C04B33/00—Clay-wares
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- C04B33/1305—Organic additives
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
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- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
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- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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- Y02P40/00—Technologies relating to the processing of minerals
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Abstract
The invention belongs to the field of ceramic materials, and mainly relates to a ceramsite proppant prepared from blast furnace tapping channel waste and a preparation process thereof. The raw materials comprise iron tapping channel waste materials: 30% -60%, clay: 10% -40%, shale: 20% -50%, sintering aid: 0-10 percent of the total weight percentage of the iron tapping channel waste, the clay, the shale and the sintering additive is 100 percent. The performance of the ceramsite proppant prepared by the invention meets the SY/T5108-2014 industrial standard, the blast furnace tapping channel waste is used as the raw material, the resource utilization rate is improved, the problems of waste of land resources and environmental damage caused by stacking of solid wastes are solved, the added value of the used refractory material is improved, the raw material cost is low, the preparation method is simple, the resource recycling and environmental protection are facilitated, and a new idea is provided for the comprehensive utilization of the blast furnace tapping channel waste.
Description
Technical Field
The invention belongs to the field of ceramic materials, and particularly relates to a ceramsite proppant prepared from blast furnace tapping channel waste materials and a preparation process thereof.
Background
In recent years, the yield of the steel industry is continuously increased, the pressure of reducing the cost of each steel enterprise is increased sharply, and the contradiction between resources, environment and cost is increasingly prominent. The refractory material is a key material in the metallurgical industry, so the consumption of the refractory material is also increased sharply, wherein the demand of the refractory material for a blast furnace tapping channel in the steel smelting process is large, and the refractory material is mainly Al2O3-SiC-C refractory. After use, the blast furnace tapping channel refractory material is mainly used as solid waste to be accumulated in large quantity and directly buried, so that resource waste is caused and the environment is seriously polluted. If the used refractory material is recycled, the pressure of enterprise resources and cost is reduced, and the environment is protected. Under the condition of serious shortage of the existing resources in China, the comprehensive resource utilization technology of the blast furnace tapping channel waste is developed, and the comprehensive resource utilization technology has important strategic and practical significance for promoting the recycling economy, the sustainable development and the environmental protection. The ceramic proppant is a high-strength ceramic particle which has different specifications, can meet a certain performance index and can be used for deep supporting operation in the petroleum industry. For the development of the ceramsite, the main raw material adopted by China is high-grade mineral resources, and the ceramsite is prepared by adding a sintering aid and adopting a sintering method. The traditional ceramsite preparation is mainly prepared by processing non-renewable natural resources such as bauxite, shale, clay and the like serving as raw materials, and with the implementation of policies of environmental protection and comprehensive utilization of resources, suitable raw materials for preparing the ceramsite by replacing the non-renewable natural resources are searched to become heavyTo be tasked. So far, reports of utilizing blast furnace tapping channel waste as a raw material for preparing ceramsite proppant are not found.
Disclosure of Invention
The invention provides a ceramsite proppant prepared from blast furnace tapping channel waste and a preparation process thereof. The ceramsite proppant meets the service performance required by the industrial standard, and simultaneously takes the refractory material waste for the blast furnace tapping channel as the raw material after use, so that the problems of resource shortage, environmental pollution and sustainable development are solved, and the preparation process is low in cost and simple in process.
In order to realize the task, the invention adopts the following technical scheme:
a ceramsite proppant prepared from blast furnace tapping channel waste is prepared by pretreating tapping channel waste, clay, shale and/or a sintering aid, mixing with other raw materials, granulating, screening and sintering.
Further, the raw materials comprise iron tapping channel waste materials: 30% -60%, clay: 10% -40%, shale: 20% -50%, sintering aid: 0-10 percent of the total weight percentage of the iron tapping channel waste, the clay, the shale and the sintering additive is 100 percent.
Preferably, the material is prepared from the following raw materials in percentage by mass, the iron runner waste material is 45 percent in percentage by mass, the clay is 20 percent in percentage by mass, the shale is 30 percent in percentage by mass, and the sintering aid is 5 percent in percentage by mass, wherein the sintering aid is manganese ore powder.
Specifically, the volume density of the ceramsite proppant is less than or equal to 1.7g/cm3Apparent density is less than or equal to 3g/cm3The breaking rate is less than or equal to 9 percent under the stress condition of 69MPa, the roundness and the sphericity are more than or equal to 0.8, the acid solubility is less than or equal to 5 weight percent, and the turbidity is less than or equal to 100 FTU.
The preparation process of the ceramsite proppant prepared from the blast furnace tapping channel waste comprises the following steps:
the method comprises the following steps: pretreating the iron tap channel waste, and respectively grinding the pretreated iron tap channel waste, clay, shale and sintering aid;
step two: weighing the pretreated tapping channel waste, clay, shale and sintering aid according to the following mass fractions respectively, and mixing; then adding a bonding agent into the granulator to mix the raw materials into balls;
step three: respectively drying, screening and sintering the spherulites to obtain the composite material; and then, carrying out secondary screening on the sintered sample and testing the performance to finally obtain the ceramsite proppant meeting the standard.
The scrap of the iron tapping channel: 30% -60%, clay: 10% -40%, shale: 20% -50%, sintering aid: 0-10 percent of the total weight percentage of the iron tapping channel waste, the clay, the shale and the sintering additive is 100 percent.
Specifically, the step of pretreating the tapping channel waste sequentially comprises the steps of sorting, knocking and cutting to remove a deteriorated layer, crushing an original brick layer, and mixing, grinding and homogenizing.
Further, the binding agent is a solution prepared from single components or composite components of polyvinyl alcohol, dextrin and carboxymethyl cellulose, and the total mass of the polyvinyl alcohol, the dextrin and the carboxymethyl cellulose in the solution accounts for 0-5% of the total mass of the solution.
Further, the sintering aid is a single component or a composite component of potassium feldspar, dolomite, calcite, manganese ore powder and iron oxide.
Specifically, the scrap of the tapping runner: 55%, clay: 15%, shale: 25%, sintering aid: 5 percent, the sum of the weight percentages of the iron tapping channel waste, the clay, the shale and the sintering additive is 100 percent;
the sintering aid is a mixed component of potassium feldspar and iron oxide, wherein the mass ratio of the potassium feldspar to the iron oxide is 2: 3.
Furthermore, the drying temperature is 80-120 ℃, the sintering temperature is 1200-1500 ℃, and the heat preservation time is 1.0-4.0 h.
Compared with the prior art, the invention has the following advantages:
(1) the invention provides a ceramsite proppant which takes the waste of a used blast furnace iron tap channel as a raw material, realizes resource recycling and environmental protection, realizes waste utilization by using the raw material, improves the additional value of the waste of the iron tap channel and reduces the preparation cost; the performance of the prepared ceramsite proppant can meet the requirements of industrial standards, and the preparation process is low in cost.
(2) The method takes the blast furnace iron tapping channel waste as a raw material, the residual iron in the waste is taken as a fluxing agent, and an iron removal process is not needed in the treatment process of the iron tapping channel waste.
(3) The invention provides a preparation process of a ceramsite proppant, which is simple in process, economic and energy-saving.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure.
FIG. 1 is a flow chart of the manufacturing process of the present invention;
the present invention will be described in further detail with reference to the following drawings and examples.
Detailed Description
The present invention is described below with reference to specific examples, but the present invention is not limited to the following examples, and it should be understood by those skilled in the art that the invention can be implemented by making several simple deductions or substitutions to prepare satisfactory ceramsite proppant without departing from the spirit of the present invention, and all such alternatives are within the scope of the present invention. The amounts of the substances are given in mass% unless otherwise specified below.
The tapping runner waste in the present invention refers to a post-use blast furnace tapping runner refractory material produced in the steel smelting process and is a blast furnace tapping runner waste as a solid waste. The main phase being Al2O3-SiC-C. All the reagents are available in blast furnaces of steel plants, and the rest are commercially available.
The ceramsite proppant provided by the invention is prepared by taking the iron tap channel waste, clay, shale and/or sintering aid as raw materials, mixing, granulating and sintering.
The raw materials comprise iron tap channel waste materials: 30% -60%, clay: 10% -40%, shale: 20% -50%, sintering aid: 0-10 percent of the total weight percentage of the iron tapping channel waste, the clay, the shale and the sintering additive is 100 percent.
The preparation process of the ceramsite proppant prepared from the blast furnace tapping channel waste comprises the following steps:
the method comprises the following steps: pretreating the iron tap channel waste, and respectively grinding the pretreated iron tap channel waste, clay, shale and sintering aid;
step two: weighing the pretreated tapping channel waste, clay, shale and sintering aid according to the following mass fractions respectively, and mixing; then adding a bonding agent into the granulator to mix the raw materials into balls;
step three: respectively drying, screening and sintering the spherulites to obtain the composite material;
the scrap of the iron tapping channel: 30% -60%, clay: 10% -40%, shale: 20% -50%, sintering aid: 0-10 percent of the total weight percentage of the iron tapping channel waste, the clay, the shale and the sintering additive is 100 percent.
The binding agent is a solution prepared from single components or composite components of polyvinyl alcohol, dextrin and carboxymethyl cellulose, and the total mass of the polyvinyl alcohol, the dextrin and the carboxymethyl cellulose in the solution accounts for 0-5% of the total mass of the solution.
The sintering aid is a single component or a composite component of potassium feldspar, dolomite, calcite, manganese ore powder and iron oxide.
Example 1
The embodiment provides a ceramsite proppant prepared from blast furnace tapping channel waste, and the ceramsite proppant is prepared by pretreating the tapping channel waste by using the tapping channel waste, clay, shale and/or a sintering aid as raw materials, mixing the pretreated tapping channel waste with other raw materials, granulating, screening and sintering.
The raw material tapping channel waste of the ceramsite proppant in this example: 45%, clay: 20%, shale: 30%, sintering aid: 5 percent, and the sum of the mass percentages of the iron tapping channel waste, the clay, the shale and the sintering additive is 100 percent. The sintering aid is single manganese ore powder.
The embodiment also discloses a preparation process of the ceramsite proppant prepared from the blast furnace tapping channel waste, which comprises the following steps:
the method comprises the following steps: crushing the iron tap channel waste and the shale, and respectively grinding the iron tap channel waste, the clay, the shale and the sintering aid; all the raw materials are ground and then sieved by a 200-mesh sieve, namely the granularity of the powder is less than 0.074 mm.
Wherein, the iron tap channel waste material is firstly recycled: sorting and classifying the iron tap channel waste materials, knocking and cutting to remove the deteriorated layer, crushing the original brick layer, and mixing, grinding and homogenizing to obtain the refractory material reclaimed material.
Step two: weighing the iron tap channel waste, the clay, the shale and the sintering aid according to the mass fractions, and mixing; then adding a bonding agent into the granulator to mix the raw materials into balls;
the preparation method specifically comprises the steps of mixing weighed raw materials in a ball mill, then putting the uniformly mixed powder into a sugar-coating granulator, wherein the total quality of polyvinyl alcohol, dextrin and carboxymethyl cellulose in a binding agent solution accounts for 0% of the solution in percentage by mass. I.e. water alone as binder, without the addition of other components. Mixing the powder into balls;
step three: respectively drying, screening and sintering the spherulites to obtain the composite material;
the method comprises the following steps: drying the spherical particles, and performing primary screening on the dried spherical particles by using a standard screen; and finally sintering in a high-temperature furnace. The drying temperature of the ceramsite green body is 80 ℃, the sintering temperature is 1400 ℃, and the heat preservation time is 3 hours.
And in the screening detection, the performance of the sintered ceramsite is detected after secondary screening, and finally the ceramsite proppant with the performance meeting the SY/T5108-2014 industry standard is obtained.
The sintered ceramsite proppant has the volume density of 1.61g/cm3Apparent density 2.62g/cm3The fracture rate is 5.9 percent under the stress condition of 69MPa, the roundness and the sphericity are 0.8, the acid solubility is 3.5wt percent, the turbidity is 90FTU, the performance of the material meets the requirement of the industry standard, and the material can be used for fracturing operation.
Example 2:
the same as example 1, but different from example 1, the ceramsite proppant is prepared from the following raw materials in percentage by mass: 50%, clay: 20%, shale: 30%, sintering aid: 0 percent, and the sum of the weight percentages of the iron tapping channel waste, the clay, the shale and the sintering additive is 100 percent.
The single component of the polyvinyl alcohol solution is used as a binding agent, and the concentration of the binding agent polyvinyl alcohol is 1 percent by mass.
The drying temperature of the ceramsite green body is 80 ℃, the sintering temperature is 1450 ℃, and the heat preservation time is 3 hours.
The sintered ceramsite proppant has the volume density of 1.56g/cm3Apparent density of 2.65g/cm3The fracture rate is 6.4 percent under the stress condition of 69MPa, the roundness and the sphericity are 0.8, the acid solubility is 3.9wt percent, the turbidity is 85FTU, the performance of the material meets the requirement of the industry standard, and the material can be used for fracturing operation.
Example 3
The same as example 1, but different from example 1, the ceramsite proppant is prepared from the following raw materials in percentage by mass: 55%, clay: 15%, shale: 25%, sintering aid: 5 percent, and the sum of the mass percentages of the iron tapping channel waste, the clay, the shale and the sintering additive is 100 percent. The sintering aid is a potassium feldspar and iron oxide composite component, wherein the mass ratio of the potassium feldspar to the iron oxide is 2: 3.
The drying temperature of the ceramsite green body is 90 ℃, the sintering temperature is 1400 ℃, and the heat preservation time is 3 hours.
The bonding agent is prepared from dextrin serving as a single component and serving as a bonding agent, and the dextrin in the bonding agent solution accounts for 3% of the total mass of the solution in percentage by mass.
The sintered ceramsite proppant has the volume density of 1.58g/cm3Apparent density 2.63g/cm3The fracture rate is 6.1 percent under the stress condition of 69MPa, the roundness and the sphericity are 0.8, the acid solubility is 3.7wt percent, the turbidity is 90FTU, the performance of the material meets the requirement of the industry standard, and the material can be used for fracturing operation.
Example 4
The same as example 1, but different from example 1, the ceramsite proppant is prepared from the following raw materials in percentage by mass: 60%, clay: 10%, shale: 20%, sintering aid: 10 percent, and the sum of the weight percentages of the iron tapping channel waste, the clay, the shale and the sintering additive is 100 percent. The sintering aid is a dolomite and calcite composite component, wherein the mass ratio of the dolomite to the calcite is 1: 1.
The drying temperature of the ceramsite green body is 90 ℃, the sintering temperature is 1350 ℃, and the heat preservation time is 3 hours.
The binding agent is prepared from carboxymethyl cellulose as a single component by mass percent to prepare a solution as the binding agent, and the carboxymethyl cellulose in the binding agent solution accounts for 5 percent of the total quality of the solution by mass percent.
The sintered ceramsite proppant has the volume density of 1.60g/cm3Apparent density of 2.64g/cm3The fracture rate is 6.0 percent under the stress condition of 69MPa, the roundness and the sphericity are 0.8 percent, the acid solubility is 3.8 percent, the turbidity is 80FTU, the performance of the material meets the requirement of the industry standard, and the material can be used for fracturing operation.
Claims (10)
1. A ceramsite proppant prepared from blast furnace tapping channel waste is characterized by being prepared by pretreating tapping channel waste, clay, shale and/or a sintering aid, mixing with other raw materials, granulating, screening and sintering.
2. The ceramsite proppant prepared from blast furnace tapping channel waste according to claim 1, wherein said raw materials comprise tapping channel waste: 30% -60%, clay: 10% -40%, shale: 20% -50%, sintering aid: 0-10 percent of the total weight percentage of the iron tapping channel waste, the clay, the shale and the sintering additive is 100 percent.
3. The ceramsite proppant prepared from the blast furnace tapping channel waste material according to claim 1, is prepared from the following raw materials, by mass, 45% of the tapping channel waste material, 20% of clay, 30% of shale, 5% of a sintering aid, and the sintering aid is manganese ore powder.
4. The ceramsite proppant prepared from waste materials of blast furnace tapping channel according to claim 1, wherein the volume density of said ceramsite proppant is not more than 1.7g/cm3Apparent density is less than or equal to 3g/cm3The breaking rate is less than or equal to 9 percent under the stress condition of 69MPa, the roundness and the sphericity are more than or equal to 0.8, the acid solubility is less than or equal to 5 weight percent, and the turbidity is less than or equal to 100 FTU.
5. The preparation process of the ceramsite proppant prepared from the blast furnace tapping channel waste material as recited in any one of claims 1 to 4, is characterized by comprising the following steps:
the method comprises the following steps: pretreating the iron tap channel waste, and respectively grinding the pretreated iron tap channel waste, clay, shale and sintering aid;
step two: weighing the pretreated tapping channel waste, clay, shale and sintering aid according to the following mass fractions respectively, and mixing; then adding a bonding agent into the granulator to mix the raw materials into balls;
step three: respectively drying, screening and sintering the spherulites to obtain the composite material;
the scrap of the iron tapping channel: 30% -60%, clay: 10% -40%, shale: 20% -50%, sintering aid: 0-10 percent of the total weight percentage of the iron tapping channel waste, the clay, the shale and the sintering additive is 100 percent.
6. The process for preparing ceramic proppant from blast furnace tapping channel waste as set forth in claim 5, wherein said step of pretreating the tapping channel waste comprises sorting, knocking and cutting to remove deteriorated layer, crushing raw brick layer, mixing and grinding for homogenization.
7. The process for preparing a ceramic proppant as set forth in claim 5, wherein the binder is a solution of a single component or a composite component of polyvinyl alcohol, dextrin and carboxymethylcellulose, and the total mass of polyvinyl alcohol, dextrin and carboxymethylcellulose in the solution is 0-5% of the total mass of the solution.
8. The process for preparing ceramic proppant from blast furnace tapping channel waste material according to claim 5, wherein the sintering aid is potassium feldspar, dolomite, calcite, manganese ore powder, iron oxide single component or composite component.
9. The process for preparing a ceramsite proppant by using the blast furnace tapping channel waste material as set forth in claim 5, wherein the tapping channel waste material is: 55%, clay: 15%, shale: 25%, sintering aid: 5 percent, the sum of the weight percentages of the iron tapping channel waste, the clay, the shale and the sintering additive is 100 percent;
the sintering aid is a potassium feldspar and iron oxide composite component, wherein the mass ratio of the potassium feldspar to the iron oxide is 2: 3.
10. The process for preparing ceramic proppant from blast furnace tapping channel waste material according to claim 5, wherein the drying temperature is 80-120 ℃, the sintering temperature is 1200-1500 ℃, and the holding time is 1.0-4.0 h.
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Effective date of registration: 20230105 Address after: 452375 Qu Liang Xiang Zhu Zhai Cun, Xinmi City, Zhengzhou City, Henan Province Patentee after: ZHENGZHOU RUNBAO REFRACTORY MATERIAL Co.,Ltd. Address before: 710055 No. 13, Yanta Road, Shaanxi, Xi'an Patentee before: XIAN University OF ARCHITECTURE AND TECHNOLOG |
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Denomination of invention: A ceramic support agent and preparation process for preparing waste material from blast furnace tapping ditch Granted publication date: 20220712 Pledgee: China Postal Savings Bank Co.,Ltd. Xinmi City Branch Pledgor: ZHENGZHOU RUNBAO REFRACTORY MATERIAL Co.,Ltd. Registration number: Y2024980008043 |