Search

CN-122009632-A - Industrial silicon water-cooling packaging system and process

CN122009632ACN 122009632 ACN122009632 ACN 122009632ACN-122009632-A

Abstract

The invention relates to the technical field of industrial silicon water-cooling packaging, in particular to an industrial silicon water-cooling packaging system and process, wherein a vibrating screen is used for classifying and screening high-temperature industrial silicon raw materials, a toothed roller crusher is used for receiving and crushing the industrial silicon separated by the vibrating screen, a chain bucket type conveyor is used for conveying the industrial silicon, a spray water-cooling device is arranged above a conveying section of the chain bucket type conveyor, the spray water-cooling device comprises a plurality of groups of spray heads arranged along the conveying direction, the spray heads are connected to a sedimentation tank water-cooling unit and used for carrying out spray cooling on the conveyed industrial silicon, and a storage bin and a ton bag packaging unit are used for storing the cooled industrial silicon and carrying out quantitative ton bag packaging. The industrial silicon water-cooling packaging system and the process have the advantages of obviously improving the cooling efficiency, effectively reducing the powder rate, having high degree of automation, the energy-saving and environment-friendly benefits are remarkable, the process flow is continuous, the method is suitable for large-scale industrial production, and the method has extremely high practical value and popularization prospect.

Inventors

  • FENG XUELI
  • ZHANG GUOLIANG
  • YANG ZHENYU

Assignees

  • 宁夏晶体新能源材料有限公司

Dates

Publication Date
20260512
Application Date
20260324

Claims (10)

  1. 1. An industrial silicon water-cooling packaging system, which is characterized by comprising the following components in sequence along the conveying direction of materials: The vibrating screen (1) is used for classifying and screening the high-temperature industrial silicon raw materials; the feeding end of the tooth roller crusher (2) is connected with the discharge end of the oversize material of the vibrating screen (1) and is used for receiving and crushing the large-grain industrial silicon separated by the vibrating screen (1); the chain bucket type conveyor (3) is in butt joint with the discharge port of the tooth roller crusher (2) and the discharge port of the undersize material of the vibrating screen (1) and is used for conveying industrial silicon; A spray water cooling device (4) is arranged above the conveying section of the chain bucket type conveyor (3), and the spray water cooling device (4) comprises a plurality of groups of spray heads arranged along the conveying direction and is used for spraying and cooling industrial silicon in conveying; The feed inlet of the bin and ton bag packaging unit (5) is communicated with the discharge end of the chain bucket conveyor (3) and is used for receiving cooled industrial silicon and quantitatively packaging ton bags; And the sedimentation Chi Shuileng unit (6) is connected with the spray water cooling device (4) to form a circulating water path and is used for receiving water sprayed by the spray water cooling device (4) and circularly supplying the water after sedimentation and cooling.
  2. 2. The industrial silicon water-cooled packaging system according to claim 1, wherein the vibrating screen (1) is configured to separate industrial silicon raw material into undersize material having a particle size of less than 100mm and oversize material having a particle size of more than 100mm, and wherein the temperature of the high-temperature industrial silicon raw material is 200 ℃ to 550 ℃.
  3. 3. The industrial silicon water-cooling packaging system according to claim 1, wherein the spray header of the spray water-cooling device (4) is an atomization spray header, the spray direction of the atomization spray header forms an included angle of 45-60 degrees with the conveying surface of the chain bucket conveyor (3), and the pressure of sprayed cooling water is 0.3-0.5 MPa; The outside of spray water cooling plant (4) is provided with the heat exchanger, the return water mouth has been seted up to the bottom of heat exchanger, the return water mouth is connected to deposit the storage water tank of Chi Shuileng unit (6).
  4. 4. The industrial silicon water-cooling packaging system according to claim 1, wherein the chain bucket material of the chain bucket conveyor (3) is high-temperature-resistant and wear-resistant alloy steel, and a water drain hole is formed in the inner wall of the chain bucket; The conveying speed of the chain bucket conveyor (3) is 5cm/s to 10cm/s, and the conveying inclination angle is 25 degrees to 35 degrees.
  5. 5. The industrial silicon water-cooling packaging system according to claim 1, wherein a temperature sensor is arranged on the chain bucket conveyor (3), and the temperature sensor is used for monitoring the temperature of industrial silicon and controlling the water spraying stroke and the water spraying amount of the spraying water-cooling device (4) in a feedback manner.
  6. 6. The industrial silicon water-cooling packaging system according to claim 1, wherein a drying area is arranged at the front part of the discharge end of the chain bucket conveyor (3), and no spray header is arranged in the drying area for evaporating surface moisture by utilizing self waste heat of industrial silicon.
  7. 7. The industrial silicon water-cooling packaging system according to claim 1, wherein the bin and ton bag packaging unit (5) comprises a storage bin, a weighing module, a ton bag hanging frame and an automatic bagging machine, wherein a weighing and discharging belt which is in linkage with the weighing module is arranged at a discharge hole of the storage bin, and the weighing module is in linkage with a floor scale module and is used for controlling the weighing and discharging belt to automatically stop when the weight of materials in the ton bag reaches a set value.
  8. 8. The industrial silicon water-cooling packaging system according to claim 1, wherein the sedimentation Chi Shuileng unit (6) comprises a three-stage sedimentation tank, a spray pump and a recovery tank, and is used for circularly supplying spray water after sedimentation and cooling treatment.
  9. 9. An industrial silicon water-cooling packaging process, which adopts the industrial silicon water-cooling packaging system as claimed in any one of claims 1 to 8, and is characterized by comprising the following steps: S1, feeding high-temperature industrial silicon raw materials into a vibrating screen (1) for classifying and screening, feeding the separated large-particle-size materials into a toothed roller crusher (2) for crushing, and converging the crushed materials and undersize materials into a chain bucket conveyor (3); s2, spraying cooling water to the industrial silicon through a spraying water cooling device (4) arranged above a conveying section in the process of conveying the industrial silicon by the chain bucket conveyor (3); S3, conveying the cooled industrial silicon to a storage bin and ton bag packaging unit (5) for quantitative ton bag packaging; s4, collecting sprayed water to a sedimentation tank water cooling unit (6) for sedimentation cooling and recycling.
  10. 10. The industrial silicon water-cooling packaging process according to claim 9, wherein the quantitative ton bag packaging comprises the steps of measuring the weight of materials in real time through a weighing module and linking with a floor scale module, and controlling a weighing and recycling belt to automatically stop when the weight of the materials in the ton bag reaches 1000kg so as to realize automatic packaging of 1000kg plus or minus 1 kg.

Description

Industrial silicon water-cooling packaging system and process Technical Field The invention relates to the technical field of industrial silicon water-cooling packaging, in particular to an industrial silicon water-cooling packaging system and an industrial silicon water-cooling packaging process. Background Industrial silicon is used as a basic raw material and is widely applied to the fields of photovoltaics, organic silicon, aluminum alloy and the like. In industrial silicon production, the casting temperature of Wen Guiye melted by an ore smelting furnace is up to 1650-2000 ℃, and the cast silicon block can be subjected to subsequent crushing, screening and packaging operations after being cooled. At present, two cooling modes are mainly adopted in the industry, namely natural stacking cooling, and natural heat dissipation is carried out by air when the high Wen Guikuai is stacked in the field, and the cooling period is longer than 24 hours. The method has extremely low efficiency, occupies a large amount of sites, and is easy to cause the surface oxidation of the silicon block after long-time cooling, thereby influencing the product quality. The powder rate is as high as 10 to 13 percent, the working procedure is dispersed, the automation degree is low, the labor intensity is high and potential safety hazards exist. And secondly, soaking type water cooling, namely, directly immersing the water tank with the height Wen Guikuai for rapid cooling. Although the cooling speed is improved to some extent, the high-temperature silicon block is easy to generate thermal stress when being quenched by water, and the high-temperature silicon block still needs to be mechanically crushed after water cooling, so that the high-temperature silicon block is crushed and powdered, the powder rate is as high as 10 to 13 percent, and the resource waste is caused. Meanwhile, residual moisture of the soaked silicon block is easy to agglomerate, the subsequent treatment difficulty is increased, and the storage quality problem can be caused by wet packaging. In summary, how to realize continuous and automatic efficient cooling and packaging and remarkably reduce the powder rate on the premise of avoiding thermal stress cracking caused by quenching at high Wen Guikuai, an integrated solution for automatic, continuous and efficient industrial silicon cooling and packaging is needed. Disclosure of Invention The invention mainly aims to overcome the defects in the prior art and provides an industrial silicon water-cooling packaging system and an industrial silicon water-cooling packaging process. The technical scheme adopted by the invention for realizing the technical purpose is that the industrial silicon water-cooling packaging system is characterized by sequentially comprising the following components along the material conveying direction: the vibrating screen is used for classifying and screening the high-temperature industrial silicon raw materials; The feeding end of the tooth roller crusher is connected with the discharge end of the oversize material of the vibrating screen and is used for receiving and crushing the large-grain industrial silicon separated by the vibrating screen; the feeding end of the chain bucket type conveyor is in butt joint with the discharging port of the tooth roller crusher and the discharging end of the undersize material of the vibrating screen, and is used for conveying industrial silicon; a spray water cooling device is arranged above the conveying section of the chain bucket type conveyor, and comprises a plurality of groups of spray heads arranged along the conveying direction and used for carrying out spray cooling on industrial silicon in conveying; the feed inlet of the bin and ton bag packaging unit is communicated with the discharge end of the chain bucket conveyor and is used for receiving cooled industrial silicon and quantitatively packaging ton bags; and the sedimentation Chi Shuileng unit is connected with the spray water cooling device to form a circulating water path and is used for receiving water sprayed by the spray water cooling device and circularly supplying the water after sedimentation cooling. Preferably, the vibrating screen is configured to separate an industrial silicon feedstock into undersize material having a particle size of less than 100mm and oversize material having a particle size of greater than 100mm, the high temperature industrial silicon feedstock having a temperature of 200 ℃ to 550 ℃. Preferably, the spray header of the spray water cooling device is an atomization spray header, the spray direction of the spray header forms an included angle of 45-60 degrees with the conveying surface of the chain bucket type conveyor, and the pressure of sprayed cooling water is 0.3-0.5 MPa; the outside of the spray water cooling device is provided with a heat shield, the bottom of the heat shield is provided with a water return port, and the water return port is connect