[0033] The present invention will be further described in detail below in conjunction with the drawings.
[0034] reference figure 1 with figure 2 , Is a quartz sand production process disclosed in the present invention, including coarse screening, washing, dehydration, drying, fine screening, inspection and packaging. Coarse screening is the first screening of crushed quartz sand. The linear vibrating screen is used in the coarse screening process. The mesh size of the linear vibrating screen is 20-100 mesh. Through the first screening, all the quartz sand with the particle size of 20-100 mesh is screened out; washing and dehydrating The steps of using water washing equipment, the water washing equipment includes a water washing device 1 and a dehydration device 2, the quartz sand is added to the water washing equipment from the position of the water washing device 1, and then flows out from the position of the dehydration device 2, so that the quartz sand is washed and dehydrated successively to reduce The water contained in the quartz sand after the water washing step; after flowing out of the water washing equipment, it is dried by the drying equipment. During the drying process, the quartz sand needs to be heated to cause the moisture on the surface of the quartz sand to be lost. Drying; the dried quartz sand is put into the grading vibrating sieve, and the second sieving is carried out in the grading vibrating sieve. The second sieved quartz sand can be separated into different particle sizes and different particle sizes. Manual inspection is carried out separately, and the inspection is completed, and the qualified quartz sand is packaged to facilitate the transportation and storage of the quartz sand.
[0035] reference figure 2 with image 3 , The water washing device 1 includes an inner cylinder 11, the inner cylinder 11 is arranged obliquely to the horizontal plane, and a feed port 111 is opened on the side wall of the lower end of the inner cylinder 11. The feed port 111 is used to add water to the middle of the inner cylinder 11 to be washed The inner cylinder 11 is provided with a conveying shaft 12 in the middle of the inner cylinder 11. The center line of the conveying shaft 12 coincides with the center line of the inner cylinder 11, the conveying shaft 12 is rotatably supported on the inner cylinder 11, and the conveying shaft 12 is close to the inlet 111 One end extends to the outside of the inner cylinder 11. A fixed sleeve 13 is provided on the outside of the inner cylinder 11. The fixed sleeve 13 is supported on the ground. The center line of the fixed sleeve 13 coincides with the center line of the inner cylinder 11. The cylinder 11 is inserted into the fixed sleeve 13, and the inner cylinder 11 is rotatably supported in the fixed sleeve 13. A transmission assembly 14 is provided between the inner cylinder 11 and the conveying shaft 12, and a driving motor 3 is provided on the end of the conveying shaft 12 near the feeding port 111. The driving motor 3 is started. The driving motor 3 drives the conveying shaft 12 to rotate, and the conveying shaft 12 passes through The transmission assembly 14 drives the inner cylinder 11 to rotate simultaneously. Clean water is added to the inner cylinder 11, and the clear water washes the quartz sand in the inner cylinder 11, and during the rotation of the inner cylinder 11, the quartz sand can rotate from bottom to top with the inner wall of the inner cylinder 11 and reach the higher In the high position, the quartz sand falls into the clean water, so that the cleaning effect of the quartz sand is better.
[0036] reference image 3 , A spiral blade 15 is coaxially fixed on the conveying shaft 12, and the spiral blade 15 is matched with the inner wall of the inner cylinder 11. During the rotation of the conveying shaft 12, the spiral blade 15 can convey the quartz sand along the length direction of the inner cylinder 11. , The end of the spiral blade 15 is the highest point of the inner cylinder 11, and the beginning of the spiral blade 15 is the lowest point of the inner cylinder 11. The conveying shaft 12 has a hollow structure. The end of the conveying shaft 12 away from the driving motor 3 is provided with a rotary joint 41. The rotary joint 41 is connected with a water inlet pipe 42. The side wall of the conveying shaft 12 is provided with a water outlet 121, which is connected to the conveying shaft. The center of 12 is connected. The clean water flowing in the water inlet pipe 42 enters the conveying shaft 12 through the rotary joint 41, and is sprayed out from the water outlet 121 to clean the quartz sand in the inner cylinder 11 and improve the cleaning efficiency of the quartz sand.
[0037] reference figure 2 with image 3 , The dewatering device 2 includes a dewatering cylinder 21, the dewatering cylinder 21 is tapered, the inner layer of the dewatering cylinder 21 is a filter layer 211, and the outer layer of the dewatering cylinder 21 is a holder 212. The center line of the dewatering cylinder 21 coincides with the center line of the inner cylinder 11, the small end of the dewatering cylinder 21 is provided with a connecting cylinder 22, the connecting cylinder 22 is connected to the small end of the dewatering cylinder 21, and the connecting cylinder 22 extends into the inner cylinder 11, and The outer wall of the connecting cylinder 22 is attached to the inner wall of the inner cylinder 11. The connecting cylinder 22 is located at the end of the inner cylinder 11 near the end of the spiral blade 15. The dehydration cylinder 21 is fixed to the conveying shaft 12 by a plurality of struts 23 arranged in the dehydration cylinder 21 When the conveying shaft 12 rotates, the conveying shaft 12 drives the dewatering cylinder 21 to rotate to dehydrate the quartz sand located in the dewatering cylinder 21, and during the dehydration process, the quartz sand moves away from the connecting cylinder 22 along the dewatering cylinder 21. Flow out from the dehydration device 2. In order to prevent the water in the dehydration drum 21 from flowing along the inner wall of the dehydration drum 21 to an end of the dehydration drum 21 away from the connecting drum 22, the bottom line of the inner wall of the dehydration drum 21 is horizontally arranged. When the clean water enters the dehydration drum 21, it flows downward through the side wall of the dehydration drum 21.
[0038] reference figure 2 with image 3 A water tank 43 is provided below the dehydration drum 21, and at least two partition plates 431 are provided in the water tank 43. The partition plates 431 divide the water tank 43 into a multi-stage sedimentation chamber 432, and a weir 433 is opened on the upper part of the partition plate 431. A plurality of sedimentation chambers 432 are connected through the weir 433. In the last-stage sedimentation chamber 432, an outlet pipe 44 is connected. One end of the outlet pipe 44 away from the sedimentation chamber 432 is connected to a water pump 45. The outlet of the water pump 45 is connected to the inlet pipe 42 away from the rotary joint. One end of 41. The water in the water tank 43 can be sucked into the water inlet pipe 42 by the water pump 45 for reuse, and the water flowing out of the dehydration drum 21 enters the first-stage settling chamber 432, and the water flowing out of the dehydration drum 21 can enter the water tank 43 , And settle through multiple sets of settlement chambers 432 to reduce the waste of water resources.
[0039] reference image 3 , A feeding tube 131 is fixedly arranged on the side wall of the fixed sleeve 13. During the rotation of the inner cylinder 11, the lower end of the feeding tube 131 can correspond to the feeding port 111, and the quartz sand in the feeding tube 131 can pass through the inlet The material port 111 enters the inner cylinder 11. The transmission assembly 14 includes a ring gear 141, a sun gear 142 and a planet gear 143. The sun gear 142 is coaxially fixed on the conveying shaft 12, and the gear ring 141 is arranged on the inner wall of the fixed sleeve 13. The sun gear 142 and the center of the ring gear 141 The lines coincide, the planet gear 143 is located between the sun gear 142 and the ring gear 141, and the planet gear 143 is rotatably supported on the end surface of the lower end of the inner cylinder 11. Internal gearing. When the driving motor 3 drives the conveying shaft 12 to rotate, the sun gear 142 on the conveying shaft 12 rotates, the planetary gear 143 rotates the inner cylinder 11, and the inner cylinder 11 and the planetary wheel 143 rotate in the same direction, thereby lowering the inner cylinder 11. The speed difference with the conveying shaft 12 reduces the conveying of the quartz sand in the inner cylinder 11 when the conveying shaft 12 rotates faster for dehydration, so that the washing effect of the quartz sand is better.
[0040] The examples of this specific implementation manner are all preferred examples of the present invention, and do not limit the scope of protection of the present invention accordingly. Therefore: all equivalent changes made in accordance with the structure, shape, and principle of the present invention shall be covered by Within the protection scope of the present invention.
