CN215250397U - Preparation facilities of high refractive index glass bead - Google Patents
Preparation facilities of high refractive index glass bead Download PDFInfo
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- CN215250397U CN215250397U CN202121872727.0U CN202121872727U CN215250397U CN 215250397 U CN215250397 U CN 215250397U CN 202121872727 U CN202121872727 U CN 202121872727U CN 215250397 U CN215250397 U CN 215250397U
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Abstract
The utility model discloses a device for preparing high-refractivity glass beads, which relates to the field of glass bead preparation, and comprises a glass melting furnace, a crucible, a temperature control component for controlling the temperature of glass liquid in the crucible, a forming chamber and a high-pressure airflow component for ejecting high-pressure airflow; the liquid outlet of the glass melting furnace is communicated with the liquid inlet of the crucible; the temperature of the glass liquid in the crucible is controlled by the temperature control assembly to adjust the viscosity of the glass liquid when the glass liquid enters the forming chamber and is torn into tiny droplets by high-pressure airflow, so that the size of the tiny droplets is controlled, the particle size of glass particles formed after the tiny droplets are cooled is ensured, and meanwhile, the crushing processing procedure is omitted, so that the aim of reducing the generation of ultrafine powder is fulfilled; meanwhile, the tearing mode of high-pressure airflow is different from the water quenching tearing mode, so that the contact between glass liquid and water is avoided, the possibility that glass particles are polluted due to the contact between the glass particles and the water is reduced, and the cleanliness of final finished glass particles is ensured.
Description
Technical Field
The utility model relates to a glass bead preparation field especially relates to a preparation facilities of high refracting index glass bead.
Background
The high-refractive-index glass beads are widely applied to materials such as reflective cloth, reflective film, reflective paint and the like, the retroreflection performance of the glass beads can well guarantee the safety of traffic participants, and the main particle size range is 20-100 um. The traditional process mainly adopts a secondary forming method, the preparation process comprises glass melting, raw material crushing, spheroidizing forming, cleaning and drying, screening and grading and the like, the process is relatively mature, but two obvious problems exist, firstly, because high-temperature melting, water quenching and drying and secondary high-temperature forming are needed, the energy consumption is extremely high, and the heat energy utilization rate is extremely low; secondly, in the crushing process, about 20 percent of by-product powder can not be directly input all the time due to uncontrollable granularity, and the re-melting treatment is generally carried out. Therefore, the traditional process for producing the glass beads with high refractive index always has long production period, high energy consumption and low utilization rate, so that the production cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and design a preparation device of high-refractivity glass beads.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a manufacturing apparatus of glass beads with high refractive index, comprising:
a glass melting furnace;
a crucible; the liquid outlet of the glass melting furnace is communicated with the liquid inlet of the crucible;
the temperature control component is used for controlling the temperature of the glass liquid in the crucible;
a forming chamber; a liquid inlet of the forming chamber is communicated with a liquid outlet of the crucible, and the liquid inlet direction of the forming chamber is the gravity direction;
a high pressure airflow component for ejecting high pressure airflow; the high-pressure airflow component comprises at least two atomizing nozzles, the atomizing nozzles are arranged around the liquid inlet by taking the central axis of the liquid inlet of the forming chamber as a circle center array, and the air outlets of the atomizing nozzles are positioned in the forming chamber.
The beneficial effects of the utility model reside in that: the temperature of the glass liquid in the crucible is controlled by the temperature control assembly to adjust the viscosity of the glass liquid when the glass liquid enters the forming chamber and is torn into tiny droplets by high-pressure airflow, so that the size of the tiny droplets is controlled, the particle size of glass particles formed after the tiny droplets are cooled is ensured, and meanwhile, the crushing processing procedure is omitted, so that the aim of reducing the generation of ultrafine powder is fulfilled; meanwhile, the tearing mode of high-pressure airflow is different from the water quenching tearing mode, so that the contact between glass liquid and water is avoided, the possibility that glass particles are polluted due to the contact between the glass particles and the water is reduced, and the cleanliness of final finished glass particles is ensured.
Drawings
FIG. 1 is a schematic structural view of an apparatus for manufacturing glass beads with high refractive index according to the present invention;
wherein corresponding reference numerals are:
the method comprises the following steps of 1-a glass melting furnace, 2-a material taking chamber, 3-a crucible, 4-an atomizing nozzle, 5-a forming chamber, 6-a cyclone separator, 7-an air heater, 8-a compressed air system, 9-a pressure regulating valve, 10-a collecting box and 11-an induced draft fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, a manufacturing apparatus of glass micro beads with high refractive index includes:
a glass melting furnace 1;
a crucible 3; the liquid outlet of the glass melting furnace 1 is communicated with the liquid inlet of the crucible 3, the volume range of the crucible 3 is 10-20L, and the material can be zirconium corundum or high-alumina corundum;
a temperature control component for controlling the temperature of the glass liquid in the crucible 3;
a molding chamber 5; a liquid inlet of the forming chamber 5 is communicated with a liquid outlet of the crucible 3, and the liquid inlet direction of the forming chamber 5 is the gravity direction;
a high pressure airflow component for ejecting high pressure airflow; the high-pressure airflow component comprises at least two atomizing nozzles 4, the atomizing nozzles 4 are arranged around the liquid inlet by taking the central axis of the liquid inlet of the forming chamber 5 as a circle center array, and the air outlets of the atomizing nozzles 4 are positioned in the forming chamber 5.
The included angle between each atomizing nozzle 4 and the central axis of the liquid inlet of the forming chamber 5 is 30-60 degrees.
The high-pressure airflow component also comprises a pressure regulating valve 9 and a compressed air system 8, wherein the air outlet of the pressure regulating valve 9 is communicated with the air inlet of each atomizing nozzle 4, the air inlet of the pressure regulating valve 9 is communicated with the air outlet of the compressed air system 8, and the pressure regulating valve 99 regulates the pressure of the high-pressure airflow sprayed out of each atomizing nozzle 4 to be within the range of 0.5-2 MPa.
The preparation device also comprises a heating assembly, and the heating assembly is used for heating the high-pressure airflow to raise the temperature.
The heating assembly comprises an air heater 7, an air inlet and an air outlet of the air heater 7 are respectively communicated with an air outlet of a compressed air system 8 and an air inlet of a pressure regulating valve 9, and the air heater 7 heats high-pressure air flow to ensure that the temperature of the high-pressure air flow is 20-200 ℃.
The preparation device also comprises a cyclone separator 6 and a collecting box 10, wherein the feeding hole and the discharging hole of the cyclone separator 6 are respectively communicated with the discharging hole of the forming chamber 5 and the feeding hole of the collecting box 10.
The preparation device also comprises an induced draft fan 11, and an air inlet of the induced draft fan 11 is communicated with an outlet at the upper end of the cyclone separator 6.
The preparation device also comprises a material taking chamber 2, wherein a material guiding pipe is fixedly arranged at a discharge port of the material taking chamber 2, the discharge port of the material guiding pipe is positioned in the crucible 3, the height difference range between the discharge port of the glass melting furnace 1 and the inner bottom surface of the glass melting furnace 1 is 10-30cm, the glass liquid entering the material taking chamber 2 is ensured to be in a uniform clarification state, and the pipe diameter range of the material guiding pipe is 10-20 mm.
The temperature control assembly comprises a temperature controller and an electric heating device, the temperature controller is used for controlling the working state of the electric heating device according to the temperature in the crucible 3, the electric heating device is wrapped on the crucible 3, the control signal output end of the temperature controller is connected with the control signal input end of the electric heating device, the crucible 3 is heated through the electric heating device, and the temperature of the glass liquid in the crucible 3 is controlled so as to ensure the viscosity of the glass liquid.
The utility model relates to a preparation facilities of high refracting index glass microballon's theory of operation as follows:
firstly, titanium dioxide, barium carbonate, quartz sand, calcium carbonate, aluminum hydroxide, zinc oxide, boric acid, soda ash and other chemical raw materials are mixed in proportion, the batch materials are subjected to reactions such as silicate reaction, vitrification reaction and the like in a glass melting furnace 1, the melted glass liquid enters a material taking chamber 2 through a discharge hole of the glass melting furnace 1, the height difference range between the discharge hole of the glass melting furnace 1 and the bottom of the glass melting furnace 1 is 10-30cm, and the glass liquid in the material taking chamber 2 can be ensured to be in a uniform clarification state; the material guiding pipe is communicated with the bottom of the material taking chamber 2 and the top of the crucible 3, the material of the material guiding pipe comprises corundum zirconium or platinum, the molten glass enters the crucible 3 through the material guiding pipe, an electric heating device is sleeved outside the crucible 3, the temperature of the molten glass in the crucible 3 can be adjusted, and the viscosity of the molten glass can be controlled; the high-pressure airflow is heated to 20-200 ℃ by an air heater 7, the pressure is adjusted to be in the range of 0.5-2MPa by a pressure adjusting valve 9, and then the high-pressure airflow is ejected at a high speed by atomizing nozzles 47, the number of the atomizing nozzles 4 is 3-6, the included angle between each atomizing nozzle 4 and the central axis of the liquid inlet of the forming chamber 5 is in the range of 30-60 degrees, and the ejecting speed is sonic speed or supersonic speed; when the glass liquid flows out of the crucible 3 and enters the forming chamber 5, the high-pressure hot air at the focus of the high-pressure air flow sprayed by the atomizing nozzle 4 is torn into tiny liquid drops, and transparent glass beads are formed due to surface tension in the cooling process; the gas-solid mixture flows uniformly and stably under the suction of the draught fan 11, gas-solid separation is carried out after the gas-solid mixture passes through the cyclone separator 6, and finally the glass bead product enters a material receiving box.
The glass is molded once after being melted, the total energy consumption is only 50 percent of that of the conventional process, the energy-saving effect is obvious, the carbon emission and the nitrogen oxide emission are greatly reduced, and the glass is an environment-friendly production mode; during production, the particle size of glass particles can be controlled by adjusting the viscosity of the molten glass, the pressure of high-pressure air flow of the atomizing nozzle 4, the spraying angle of the high-pressure air flow and the temperature of the high-pressure air flow, and the particle size distribution of the obtained product is more concentrated; because the crushing processing process is reduced, no superfine powder is generated, and the once input yield is improved by more than 10 percent compared with the conventional process; because intermediate links such as water quenching, crushing and the like are reduced, the pollution of materials is less, and the cleanliness of the finally obtained product is good, so that the requirements of high-end users can be met; because the intermediate links are reduced, the process can be finished from feeding to discharging finished products in one day, and the conventional process generally needs one week of time, so that the production period is greatly shortened, the inventory occupation is reduced, and the operational benefit is effectively improved.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (9)
1. A device for preparing glass beads with high refractive index is characterized by comprising:
a glass melting furnace;
a crucible; the liquid outlet of the glass melting furnace is communicated with the liquid inlet of the crucible;
the temperature control component is used for controlling the temperature of the glass liquid in the crucible;
a forming chamber; a liquid inlet of the forming chamber is communicated with a liquid outlet of the crucible, and the liquid inlet direction of the forming chamber is the gravity direction;
a high pressure airflow component for ejecting high pressure airflow; the high-pressure airflow component comprises at least two atomizing nozzles, the atomizing nozzles are arranged around the liquid inlet by taking the central axis of the liquid inlet of the forming chamber as a circle center array, and the air outlets of the atomizing nozzles are positioned in the forming chamber.
2. A device for producing glass microspheres with a high refractive index according to claim 1, wherein each atomizing nozzle has an angle of 30 ° to 60 ° with respect to the central axis of the liquid inlet of the forming chamber.
3. The apparatus of claim 1, wherein the high pressure gas stream assembly further comprises a pressure regulating valve and a compressed air system, an outlet of the pressure regulating valve is in communication with an inlet of each atomizing nozzle, and an inlet of the pressure regulating valve is in communication with an outlet of the compressed air system.
4. A device for preparing glass microspheres with high refractive index according to claim 3, wherein the device further comprises a heating assembly for heating the high pressure gas flow.
5. A device for manufacturing glass microspheres according to claim 4, wherein the heating assembly comprises an air heater, and an air inlet and an air outlet of the air heater are respectively communicated with an air outlet of the compressed air system and an air inlet of the pressure regulating valve.
6. A device for preparing glass microspheres with high refractive index according to any one of claims 1-5, wherein the device further comprises a cyclone separator and a collection box, the inlet and outlet of the cyclone separator being in communication with the outlet of the forming chamber and the inlet of the collection box, respectively.
7. The apparatus according to claim 6, further comprising an induced draft fan, wherein an air inlet of the induced draft fan is communicated with an outlet at an upper end of the cyclone separator.
8. The apparatus according to any one of claims 1 to 5 and 7, wherein the apparatus further comprises a take-out chamber, a feed pipe is fixedly mounted at a discharge port of the take-out chamber, a discharge port of the feed pipe is located in the crucible, and a height difference between the discharge port of the glass melting furnace and the inner bottom surface of the glass melting furnace is in a range of 10-30 cm.
9. The apparatus according to any one of claims 1 to 5 and 7, wherein the temperature control assembly comprises a temperature controller and an electric heating device, the temperature controller is used for controlling the working state of the electric heating device according to the temperature in the crucible, the electric heating device is wrapped on the crucible, and a control signal output end of the temperature controller is connected with a control signal input end of the electric heating device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121872727.0U CN215250397U (en) | 2021-08-11 | 2021-08-11 | Preparation facilities of high refractive index glass bead |
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| CN202121872727.0U CN215250397U (en) | 2021-08-11 | 2021-08-11 | Preparation facilities of high refractive index glass bead |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115025708A (en) * | 2022-07-15 | 2022-09-09 | 平泉石尚新材料有限公司 | Color sand spraying granulation device and color sand spraying granulation method |
| CN116820160A (en) * | 2023-08-29 | 2023-09-29 | 绵阳光耀新材料有限责任公司 | Spheroidizing machine parameter regulation and control method and system based on glass bead state monitoring |
-
2021
- 2021-08-11 CN CN202121872727.0U patent/CN215250397U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115025708A (en) * | 2022-07-15 | 2022-09-09 | 平泉石尚新材料有限公司 | Color sand spraying granulation device and color sand spraying granulation method |
| CN115025708B (en) * | 2022-07-15 | 2024-05-14 | 平泉石尚新材料有限公司 | Color sand spraying granulation device and color sand spraying granulation method |
| CN116820160A (en) * | 2023-08-29 | 2023-09-29 | 绵阳光耀新材料有限责任公司 | Spheroidizing machine parameter regulation and control method and system based on glass bead state monitoring |
| CN116820160B (en) * | 2023-08-29 | 2023-11-21 | 绵阳光耀新材料有限责任公司 | Spheroidizing machine parameter regulation and control method and system based on glass bead state monitoring |
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