CN111747772A - Selenium-rich multi-element functional ceramsite and preparation method thereof - Google Patents
Selenium-rich multi-element functional ceramsite and preparation method thereof Download PDFInfo
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Abstract
The invention relates to selenium-rich multi-element functional ceramsite and a preparation method thereof, belonging to the technical field of soilless culture materials. The method comprises the following steps: grinding and sieving the functional material I, placing the sieved dry powder material in a granulator for granulation, adding water during the granulation to obtain raw ceramsite, and roasting the raw ceramsite after drying. The ceramsite takes the functional material I as a raw material, and the water solubility of each element in the functional material I is changed by high-temperature roasting in the preparation process, so that the finally prepared ceramsite can release nutrient elements required by plants, and the rare earth elements can release far infrared rays and negative oxygen ions after high-temperature treatment, thereby being beneficial to the photosynthesis of the plants, simultaneously being capable of improving the soil structure, inhibiting the growth of bacteria and providing a better growth environment for the plants. The ceramsite is simple in preparation method, low in cost and suitable for expanded production.
Description
Technical Field
The invention belongs to the technical field of soilless culture materials, and particularly relates to selenium-rich multi-element functional ceramsite and a preparation method thereof.
Background
Ceramsite cultivation is a planting mode of soilless culture, and the cultivation technology uses ceramsite without soil in the cultivation process and supplies nutrient solution for plants from the bottom. The ceramsite cultivation technology has the characteristics of no soil, no pollution, beautiful appearance and the like, and is multipurpose for planting landscape plants, indoor bonsais and the like. However, at present, the conventional ceramsite does not have any functionality, and a chemical fertilizer is required to be additionally added when the plant grows, so that the ceramsite which is environment-friendly and clean and can provide nutrients for the growth of the plant is urgently needed.
Disclosure of Invention
In view of the above, one of the objectives of the present invention is to provide a method for preparing selenium-rich multi-element functional ceramsite; the second purpose is to provide a selenium-rich multi-element functional ceramsite.
In order to achieve the purpose, the invention provides the following technical scheme:
1. a preparation method of selenium-rich multi-element functional ceramsite comprises the following steps:
grinding and sieving the functional material I, placing the sieved dry powder material in a granulator for granulation, adding water during the granulation to obtain raw ceramsite, and baking the raw ceramsite to obtain selenium-rich multi-element functional ceramsite; the functional material I is prepared by the following method:
roughly crushing granite, placing the granite in a self-collision type separator with a fine powder enrichment system at a discharge port for collision separation, and collecting fine powder with the fineness of 325 meshes generated in the self-collision type separator through the fine powder enrichment system, wherein the fine powder is defined as a functional material I; the granite is granite porphyry, is at the east end of the north foot of the mountain of the yin and is at the south edge of the middle part of the inner Mongolia at an ore deposit.
Preferably, standard corundum bricks are adhered to the circumferential direction of the inner wall of the roller of the self-collision separator, convex corundum bricks are uniformly embedded in the standard corundum bricks, the height of the convex corundum bricks is 50-100mm, a high-manganese wear-resistant discharge grate plate matched with the discharge port is mounted on the discharge port, and the aperture of a discharge hole of the discharge grate plate is 5 mm.
Preferably, the length of the roller of the self-collision type separator is 4500mm, the diameter of the roller is 2400mm, and the diameter of the feeding port is 400 mm; the rotating speed of the self-collision type separator is set to be 28-32 r/min.
Preferably, the fine powder enrichment system is formed by sequentially connecting a high-pressure centrifugal fan, an airflow classifier and a collector.
Preferably, the configuration parameters of the high-pressure centrifugal fan are as follows: air volume: 4000m3/h, wind pressure: 1800 Pa; actual dosage parameters: air volume: 800-1500m3/h, wind pressure: 1800Pa, and adjusting the air door to be closed by one fifth; the maximum throughput of the air classifier: 0.5-1.0T/h, frequency modulation full load 50 Hz; actual throughput: 0.15-0.25T/h, actual frequency modulation: 15-18Hz, rotational speed: 300-450 r/min.
Preferably, in the functional material I,
oxides of conventional elements: al (Al)2O3：14-16％，SiO2：70-74％，Fe2O3：4-4.5％，CaO：1.2-1.6％，MgO：0.5-0.7％，K2O：5.5-6.0％，Na2O：3-3.5％，TiO2: 0.3 to 0.6 percent; vector burning: 1.2-1.4%;
macroelements: n: 150-200mg/kg, P: 350-420mg/kg, K: 35000-;
medium elements: ca: 10000-11000Mg/kg, Mg: 1500-2000mg/kg, S: 120-150 mg/kg;
trace element Cu: 2-10mg/kg, Fe: 25000 and 35000mg/kg, Mn: 350-400mg/kg, Zn: 50-100mg/kg, B: 6-10 mg/kg; se: 3.0-4.5 mg/kg; mo: 3.0-7.5 mg/kg;
oxide containing fifteen rare earth elements: la2O3：200-250mg/kg，CeO2：150-200mg/kg，Pr8O11：40-60mg/kg，Nd2O3：120-200mg/kg，Sm2O3：15-50mg/kg，Eu2O3：0.5-2.0mg/kg，Gd2O3：18-30mg/kg，Tb4O7：2-4mg/kg，Dy2O3：8-15mg/kg，Ho2O3：1.0-4.5mg/kg，Er2O3：5-8mg/kg，Tm2O3：0.5-1.2mg/kg，Yb2O3：3-8mg/kg，Lu2O3：0.2-0.6mg/kg，Y2O3：60-75mg/kg。
Preferably, in the granite:
oxides of conventional elements: al (Al)2O3：13-15％，SiO2：72-77％，Fe2O3：1.7-2.2％，CaO：0.9-1.5％，MgO：0.15-0.4％，K2O：5.0-6.0％，Na2O：3.2-4.0％，TiO2: 0.12-0.2%, burning vector: 0.4 to 0.8 percent;
macroelements: n: 1000-1200mg/kg, P: 170-200mg/kg, K: 40000-50000 mg/kg;
medium elements: ca: 5500-6000Mg/kg, Mg: 800-900mg/kg, S: 70-80 mg/kg;
trace elements: cu: 2-5mg/kg, Fe: 13000-15000mg/kg, Mn: 180-250mg/kg, Zn: 40-80mg/kg, B: 6-8mg/kg, Se: 3.0-7.0mg/kg, Mo: 3.5-6.5 mg/kg;
oxide containing fifteen rare earth elements: la2O3：60-70mg/kg，CeO2：130-150mg/kg，Pr8O11：15-20mg/kg，Nd2O3：65-80mg/kg，Sm2O3：12-20mg/kg，Eu2O3：0.3-1.0mg/kg，Gd2O3：14-20mg/kg，Tb4O7：2.5-5mg/kg，Dy2O3：14-20mg/kg，Ho2O3：2.5-3.0mg/kg，Er2O3：7.0-10.0mg/kg，Tm2O3：1.1-1.5mg/kg，Yb2O3：7-10mg/kg，Lu2O3：1.0-1.5mg/kg，Y2O3：80-120mg/kg；
Oxides of rare light metal elements: sc (Sc)2O3：30-50mg/kg，RbO2：1300-1500mg/kg。
Preferably, the method is as follows:
grinding the functional material I to 200 meshes to be fine, sieving the powder with a 200-mesh sieve, placing the dry powder material under the sieve into a granulator for granulation, adding water accounting for 12-18% of the weight of the dry powder material during the granulation to obtain raw ceramsite with the particle size of 2-8mm and the sphericity of 90%, drying the raw ceramsite to the water content of less than or equal to 0.5%, and roasting the raw ceramsite at the temperature of 980-1050 ℃ for 0.5-1h to obtain the selenium-rich multi-element functional ceramsite.
2. The selenium-rich multi-element functional ceramsite prepared by the method.
The invention has the beneficial effects that: the invention provides a selenium-rich multi-element functional ceramsite and a preparation method thereof, wherein the ceramsite takes a functional material I as a raw material, and the water solubility of each element in the functional material I is changed by high-temperature roasting in the preparation process, so that the finally prepared ceramsite can release nutrient elements required by plants, and the rare earth elements can release far infrared and negative oxygen ions after high-temperature treatment, thereby being beneficial to photosynthesis of the plants, simultaneously improving the soil structure, inhibiting the growth of bacteria and providing a better growth environment for the plants. The method comprises the steps of preparing a functional material I, wherein the specific granite porphyry at the east end of the north foot of the mountain at an ore deposit and at the south edge of the middle part of inner Mongolia is used as a raw material, the granite porphyry ore deposit forms rock magma crystals in the rock magma forming process, multiple metal elements form a multiphase inclusion under the action of differentiation, assimilation and the like in the forming process, and more than 40 kinds of mineral elements are formed, wherein different metal elements have different densities, specific gravities and hardnesses. The ceramsite is simple in preparation method, low in cost and suitable for expanded production.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a topographical view of granite used in example 1;
FIG. 2 is a topographical view of a functional material I prepared in example 1;
FIG. 3 is a graph showing the results of an infrared radiation test of the functional material I prepared in example 1;
FIG. 4 is a graph of the appearance of the selenium-rich multi-element functional ceramsite of 2-4mm prepared in example 2;
FIG. 5 is a graph of the morphology of the selenium-rich multi-element functional ceramsite prepared in example 2, wherein the ceramsite is 4-6 mm;
FIG. 6 is a graph showing the appearance of the selenium-rich multi-element functional ceramsite of 6-8mm prepared in example 2.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Granite used in the invention is granite porphyry, the ore deposit is located at east end of northern foot of the yin mountain and south edge of middle part of inner Mongolia, belongs to transition area of mountain region of yin mountain and plateau of Wulanchou city, the area of the ore deposit reaches 16 square kilometers, and the granite comprises:
oxides of conventional elements: al (Al)2O3：13-15％，SiO2：72-77％，Fe2O3：1.7-2.2％，CaO：0.9-1.5％，MgO：0.15-0.4％，K2O：5.0-6.0％，Na2O：3.2-4.0％，TiO2: 0.12-0.2%, burning vector: 0.4 to 0.8 percent;
macroelements: n: 1000-1200mg/kg, P: 170-200mg/kg, K: 40000-50000 mg/kg;
medium elements: ca: 5500-6000Mg/kg, Mg: 800-900mg/kg, S: 70-80 mg/kg;
trace elements: cu: 2-5mg/kg, Fe: 13000-15000mg/kg, Mn: 180-250mg/kg, Zn: 40-80mg/kg, B: 6-8mg/kg, Se: 3.0-7.0mg/kg, Mo: 3.5-6.5 mg/kg;
oxide containing fifteen rare earth elements: la2O3：60-70mg/kg，CeO2：130-150mg/kg，Pr8O11：15-20mg/kg，Nd2O3：65-80mg/kg，Sm2O3：12-20mg/kg，Eu2O3：0.3-1.0mg/kg，Gd2O3：14-20mg/kg，Tb4O7：2.5-5mg/kg，Dy2O3：14-20mg/kg，Ho2O3：2.5-3.0mg/kg，Er2O3：7.0-10.0mg/kg，Tm2O3：1.1-1.5mg/kg，Yb2O3：7-10mg/kg，Lu2O3：1.0-1.5mg/kg，Y2O3：80-120mg/kg；
Oxides of rare light metal elements: sc (Sc)2O3：30-50mg/kg，RbO2：1300-1500mg/kg。
The equipment parameters used in the examples are as follows:
the length of a roller of the self-collision type separator is 4500mm, the diameter of the roller is 2400mm, the diameter of a feeding hole is 400mm, standard corundum bricks are pasted in the circumferential direction of the inner wall of the roller, convex corundum bricks are uniformly embedded in the standard corundum bricks, the height of a protrusion of the convex corundum bricks is 50mm, a high-manganese wear-resistant discharge grate plate matched with a discharge hole is installed on the discharge hole of the separator, and the aperture of a discharge hole of the discharge grate plate is 5 mm;
configuration parameters of the high-pressure centrifugal fan are as follows: air volume: 4000m3H, wind pressure: 1800 Pa;
maximum throughput of air classifier: 0.5-1.0T/h, and frequency modulation full load is 50 Hz.
Example 1
Production of functional materials I based on granite
Coarsely crushing granite to particle size of less than 400mm, placing in a self-collision type separator with a discharge port equipped with a fine powder enrichment system composed of a high-pressure centrifugal fan, an airflow classifier and a collector which are connected in sequence for collision separation, wherein the rotation speed of the separator is 28r/min, and when the fine powder enrichment system is in operation, the air volume of the high-pressure centrifugal fan is 1200m3And h, the wind pressure is 1800Pa, the air door is adjusted to be closed by one fifth, the actual treatment capacity of the airflow classifier is 0.2T/h, the actual frequency modulation is 16Hz, and the rotating speed is 400r/min, so that fine powder which is generated from the collision type separator and has 325 meshes is collected and obtained, and the fine powder is defined as the functional material I.
The granite used in the above method has a morphology as shown in fig. 1, and comprises:
conventional elements: al (Al)2O3：14.04％、SiO2：72.55％、Fe2O3：1.79％、CaO：0.98％、MgO：0.18％、K2O：5.8％、Na2O：3.7％、TiO2: 0.19%, burning vector: 0.77 percent;
macroelements: n: 1005mg/kg, P: 178mg/kg, K: 44392 mg/kg;
medium elements: ca: 5922Mg/kg, Mg: 845mg/kg, S: 74.8 mg/kg;
trace elements: cu: 2.0mg/kg, Fe: 13689mg/kg, Mn: 197mg/kg, Zn: 42.4mg/kg, B: 6.8mg/kg, Se: 3.1mg/kg, Mo: 3.5 mg/kg;
fifteen rare earth elements: la2O3：62.77mg/kg、CeO2：134.19mg/kg、Pr8O11：18.40mg/kg、Nd2O3：66.58mg/kg、Sm2O3：12.93mg/kg、Eu2O3：0.32mg/kg、Gd2O3：14.79mg/kg、Tb4O7：2.52mg/kg、Dy2O3：14.86mg/kg、Ho2O3：2.69mg/kg、Er2O3：7.55mg/kg、Tm2O3：1.12mg/kg、Yb2O3：7.13mg/kg、Lu2O3：1.07mg/kg、Y2O3：80.83mg/kg。
The morphology of the functional material I prepared by the method is shown in FIG. 2, and comprises the following components:
oxides of conventional elements: al (Al)2O3：14.01％，SiO2：70.5％，Fe2O3：4.1％，CaO：1.39％，MgO：0.5％，K2O：5.96％，Na2O：3.5％，TiO2: 0.3 percent; loss on ignition: 1.2 percent;
macroelements: n: 173mg/kg, P: 394mg/kg, K: 38678 mg/kg;
medium elements: ca: 10634Mg/kg, Mg: 1698mg/kg, S: 136 mg/kg;
trace element Cu: 5.3mg/kg, Fe: 25030mg/kg, Mn: 387mg/kg, Zn: 78.1mg/kg, B: 9.5 mg/kg; se: 3.0 mg/kg; mo: 3.8 mg/kg;
oxide containing fifteen rare earth elements: la2O3：247.83mg/kg，CeO2：196.1mg/kg，Pr8O11：54.08mg/kg，Nd2O3：166.15mg/kg，Sm2O3：24.57mg/kg，Eu2O3：1.02mg/kg，Gd2O3：23.08mg/kg，Tb4O7：2.73mg/kg，Dy2O3：13mg/kg，Ho2O3：2.37mg/kg，Er2O3：7.07mg/kg，Tm2O3：0.83mg/kg，Yb2O3：5.45mg/kg，Lu2O3：0.38mg/kg，Y2O3：70.78mg/kg。
Grinding the functional material I to be 200 meshes and pressing the materials into a cake, obtaining a ceramic cake sample after the high temperature of 1250 ℃, placing the sample in a testing area of an infrared radiation measuring instrument, testing the radiation energy of the sample in the wavelength range of 0.76-300 mu m, and obtaining the testing result shown in figure 3, wherein the infrared radiation energy of the sample is obviously increased and the infrared radiation range of the sample is 6-20 mu m as can be seen from figure 3.
Detecting the release amount of negative oxygen ions of the sample, wherein the release amount of the negative oxygen ions is 3112/cm3。
Example 2
Selenium-rich multi-element functional ceramsite prepared by taking the functional material I prepared in the example 1 as a raw material
Grinding the functional material I to be 200 meshes fine, sieving with a 200-mesh sieve, placing the dry powder material under the sieve into a granulator for granulation, adding 15% of water by weight of the dry powder material during granulation to obtain raw ceramsite with the particle size of 2-8mm and the sphericity of 90%, drying the raw ceramsite until the water content is less than or equal to 0.5%, placing the raw ceramsite into a sagger, roasting the raw ceramsite for 1h at 1030 ℃ to obtain selenium-rich multi-element functional ceramsite, cooling the selenium-rich multi-element functional ceramsite, and then placing the cooled selenium-rich multi-element functional ceramsite into a drum screening sieve to respectively obtain the selenium-rich multi-element functional ceramsite with the particle size of 2-4mm, 4-6mm and 6-8mm, wherein the steps are sequentially shown in a figure 4, a figure 5 and a figure 6.
Mixing and grinding the selenium-rich multi-element functional ceramsite with each grain size to be 200 meshes, pressing the mixture into a cake, obtaining a porcelain cake sample after the high temperature of 1250 ℃, placing the sample in a test area of an infrared radiation measuring instrument, and testing the radiation energy of the sample in the wavelength range of 0.76-300 mu m, wherein the test result is the same as the infrared radiation test result of the functional material I, and the infrared radiation range of the selenium-rich multi-element functional ceramsite is 6-20 mu m.
Testing the negative oxygen ion release amount of the sample, wherein the oxygen ion release amount is 3000-3。
And (3) after soaking the sample for 24h, testing the elution amount of elements required by plant growth, wherein N: 3.67mg/kg, P: 0.17mg/kg, K: 5.59 mg/kg; and, Ca: 9.07Mg/kg, Mg: 15.01mg/kg, S: 0.2 mg/kg; cu: 0.08mg/kg, Fe: not detected, Mn: 0.02mg/kg, Zn: 0.001mg/kg, B: 0.058 mg/kg; se: 0.029 mg/kg; mo: 0.07mg/kg, and no heavy metal ions such as lead, cadmium, mercury, chromium, arsenic, etc. are detected.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (9)
1. A preparation method of selenium-rich multi-element functional ceramsite is characterized by comprising the following steps:
grinding and sieving the functional material I, placing the sieved dry powder material in a granulator for granulation, adding water during the granulation to obtain raw ceramsite, and baking the raw ceramsite to obtain selenium-rich multi-element functional ceramsite; the functional material I is prepared by the following method:
roughly crushing granite, placing the granite in a self-collision type separator with a fine powder enrichment system at a discharge port for collision separation, and collecting fine powder with the fineness of 325 meshes generated in the self-collision type separator through the fine powder enrichment system, wherein the fine powder is defined as a functional material I; the granite is granite porphyry, is at the east end of the north foot of the mountain of the yin and is at the south edge of the middle part of the inner Mongolia at an ore deposit.
2. The method according to claim 1, wherein standard corundum bricks are adhered to the circumferential direction of the inner wall of the roller of the self-collision separator, convex corundum bricks are uniformly embedded in the standard corundum bricks, the height of the convex corundum bricks is 50-100mm, a high-manganese wear-resistant discharge grate matched with a discharge port is arranged on the discharge port, and the aperture of a discharge hole of the discharge grate is 5 mm.
3. The method as claimed in claim 2, characterized in that the length of the drum of the self-impact separator is 4500mm, the diameter of the drum is 2400mm, and the diameter of the inlet is 400 mm; the rotating speed of the self-collision type separator is set to be 28-32 r/min.
4. The method of claim 1, wherein the fines enrichment system consists of a high pressure centrifugal fan, a gas flow classifier and a collector connected in series.
5. The method of claim 4, wherein the configuration parameters of the high pressure centrifugal fan are: air volume: 4000m3/h, wind pressure: 1800 Pa; actual dosage parameters: air volume: 800-1500m3/h, wind pressure: 1800Pa, and adjusting the air door to be closed by one fifth; the maximum throughput of the air classifier: 0.5-1.0T/h, frequency modulation full load 50 Hz; actual throughput: 0.15-0.25T/h, actual frequency modulation: 15-18Hz, rotational speed: 300-450 r/min.
6. The method according to any one of claims 1 to 5, wherein in the functional material I,
oxides of conventional elements: al (Al)2O3：14-16％，SiO2：70-74％，Fe2O3：4-4.5％，CaO：1.2-1.6％，MgO：0.5-0.7％，K2O：5.5-6.0％，Na2O：3-3.5％，TiO2: 0.3 to 0.6 percent; vector burning: 1.2-1.4%;
macroelements: n: 150-200mg/kg, P: 350-420mg/kg, K: 35000-;
medium elements: ca: 10000-11000Mg/kg, Mg: 1500-2000mg/kg, S: 120-150 mg/kg;
trace element Cu: 2-10mg/kg, Fe: 25000 and 35000mg/kg, Mn: 350-400mg/kg, Zn: 50-100mg/kg, B: 6-10 mg/kg; se: 3.0-4.5 mg/kg; mo: 3.0-7.5 mg/kg;
oxide containing fifteen rare earth elements: la2O3：200-250mg/kg，CeO2：150-200mg/kg，Pr8O11：40-60mg/kg，Nd2O3：120-200mg/kg，Sm2O3：15-50mg/kg，Eu2O3：0.5-2.0mg/kg，Gd2O3：18-30mg/kg，Tb4O7：2-4mg/kg，Dy2O3：8-15mg/kg，Ho2O3：1.0-4.5mg/kg，Er2O3：5-8mg/kg，Tm2O3：0.5-1.2mg/kg，Yb2O3：3-8mg/kg，Lu2O3：0.2-0.6mg/kg，Y2O3：60-75mg/kg。
7. The method of any one of claims 1 to 5, wherein in the granite:
oxides of conventional elements: al (Al)2O3：13-15％，SiO2：72-77％，Fe2O3：1.7-2.2％，CaO：0.9-1.5％，MgO：0.15-0.4％，K2O：5.0-6.0％，Na2O：3.2-4.0％，TiO2: 0.12-0.2%, burning vector: 0.4 to 0.8 percent;
macroelements: n: 1000-1200mg/kg, P: 170-200mg/kg, K: 40000-50000 mg/kg;
medium elements: ca: 5500-6000Mg/kg, Mg: 800-900mg/kg, S: 70-80 mg/kg;
trace elements: cu: 2-5mg/kg, Fe: 13000-15000mg/kg, Mn: 180-250mg/kg, Zn: 40-80mg/kg, B: 6-8mg/kg, Se: 3.0-7.0mg/kg, Mo: 3.5-6.5 mg/kg;
oxide containing fifteen rare earth elements: la2O3：60-70mg/kg，CeO2：130-150mg/kg，Pr8O11：15-20mg/kg，Nd2O3：65-80mg/kg，Sm2O3：12-20mg/kg，Eu2O3：0.3-1.0mg/kg，Gd2O3：14-20mg/kg，Tb4O7：2.5-5mg/kg，Dy2O3：14-20mg/kg，Ho2O3：2.5-3.0mg/kg，Er2O3：7.0-10.0mg/kg，Tm2O3：1.1-1.5mg/kg，Yb2O3：7-10mg/kg，Lu2O3：1.0-1.5mg/kg，Y2O3：80-120mg/kg；
Oxides of rare light metal elements: sc (Sc)2O3：30-50mg/kg，RbO2：1300-1500mg/kg。
8. The method of any one of claims 1 to 5, wherein the method is as follows:
grinding the functional material I to 200 meshes to be fine, sieving the powder with a 200-mesh sieve, placing the dry powder material under the sieve into a granulator for granulation, adding water accounting for 12-18% of the weight of the dry powder material during the granulation to obtain raw ceramsite with the particle size of 2-8mm and the sphericity of 90%, drying the raw ceramsite to the water content of less than or equal to 0.5%, and roasting the raw ceramsite at the temperature of 980-1050 ℃ for 0.5-1h to obtain the selenium-rich multi-element functional ceramsite.
9. Selenium-rich multi-element functional ceramsite prepared by the method of any one of claims 1-8.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2455352A1 (en) * | 2010-11-23 | 2012-05-23 | Holler Porfidi S.r.l. | Artificial stone production process |
| CN106746817A (en) * | 2017-02-16 | 2017-05-31 | 福建江夏学院 | A kind of microwave sintering method of granite stone powder haydite |
| CN107445646A (en) * | 2017-09-08 | 2017-12-08 | 济南大学 | A kind of granite waste stone dust haydite and preparation method thereof |
| CN108059480A (en) * | 2017-12-22 | 2018-05-22 | 承德人和矿业有限责任公司 | A kind of illite function haydite and preparation method thereof |
| CN208771553U (en) * | 2018-08-28 | 2019-04-23 | 内蒙古华宸再生资源科技有限公司 | A kind of drum-type sand pelletizer for the separation of granite crystal |
| CN110606753A (en) * | 2019-10-18 | 2019-12-24 | 内蒙古华宸再生资源科技有限公司 | Method for producing ceramic raw material based on physical purification technology and product |
-
2020
- 2020-06-11 CN CN202010529916.1A patent/CN111747772A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2455352A1 (en) * | 2010-11-23 | 2012-05-23 | Holler Porfidi S.r.l. | Artificial stone production process |
| CN106746817A (en) * | 2017-02-16 | 2017-05-31 | 福建江夏学院 | A kind of microwave sintering method of granite stone powder haydite |
| CN107445646A (en) * | 2017-09-08 | 2017-12-08 | 济南大学 | A kind of granite waste stone dust haydite and preparation method thereof |
| CN108059480A (en) * | 2017-12-22 | 2018-05-22 | 承德人和矿业有限责任公司 | A kind of illite function haydite and preparation method thereof |
| CN208771553U (en) * | 2018-08-28 | 2019-04-23 | 内蒙古华宸再生资源科技有限公司 | A kind of drum-type sand pelletizer for the separation of granite crystal |
| CN110606753A (en) * | 2019-10-18 | 2019-12-24 | 内蒙古华宸再生资源科技有限公司 | Method for producing ceramic raw material based on physical purification technology and product |
Non-Patent Citations (1)
| Title |
|---|
| 郑水林等: "《非金属矿加工技术与设备》", 30 June 1998 * |
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