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Pipeline equipment for strengthening casting quartz sand surface desliming

A technology of quartz sand and pipes, which is applied in the direction of chemical instruments and methods, solid separation, wet separation, etc., can solve the problem that clay gangue cannot be effectively removed, achieve significant removal effect, simple equipment manufacturing, and reduce desliming cost Effect

Pending Publication Date: 2021-10-26
KUNMING UNIV OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has almost no effect on the nano-scale gangue embedded in the cracks and cavities on the surface of the quartz sand.
As a result, nearly half of the clay gangue in the quartz sand cannot be effectively removed

Method used

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  • Pipeline equipment for strengthening casting quartz sand surface desliming
  • Pipeline equipment for strengthening casting quartz sand surface desliming
  • Pipeline equipment for strengthening casting quartz sand surface desliming

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A quartz sand in Anhui used the traditional scrubbing process to deslime the quartz sand, and the mud content was still more than 5%, which failed to meet the product quality requirement that the mud content was less than 1%. like figure 1 As shown, adopt the pipeline equipment of the present invention, the inclination angle of the transportation pipeline 5 is 20 °, the length is 20 m, the diameter of the ultrasonic vibrating rod 6 is 10 cm, the length is 1 m, the center of the ultrasonic vibrating rod 6 and the wave crest at the bottom of the wave-shaped transportation pipeline 5 The distance is 10cm, the amplitude of the wavy line is 15cm, the wavelength is 25cm, the ultrasonic frequency is 22kHz, and the sound intensity is 0.25W / cm 2 , the number of ultrasonic vibrators 7 is 15, and they are evenly installed at the peaks and valleys of the transportation pipeline to carry out the desliming test. The quartz sand first removes a part of the surface slime through the d...

Embodiment 2

[0036] A quartz sand in Inner Mongolia has been subjected to water separation and desliming of quartz raw ore through spiral washing machine, trommel screen, hydrocyclone, desliming bucket 1, hydraulic classifier and other equipment, and the mud content is still more than 4%. Using the pipeline equipment of the present invention, such as figure 1 As shown, the inclination angle of the transport pipeline 5 is 20°, the length is 20m, the diameter of the ultrasonic vibrating rod 6 is 10cm, the length is 1m, the distance between the center of the ultrasonic vibrating rod 6 and the wave crest at the bottom of the transport pipe 5 is 10cm, and the wave amplitude of the wave line is 15cm , the wavelength is 25cm, the ultrasonic frequency is 22kHz, and the sound intensity is 0.25W / cm 2 , the number of ultrasonic vibrators 7 is 15, and they are evenly installed at the peaks and troughs of the transportation pipeline 5, and the desliming test is carried out. The quartz sand first remov...

Embodiment 3

[0041] A quartz sand in Guangxi was pre-selected and deslimed by a hydrocyclone, and the mud content was still more than 6%. The main gangue minerals were albite, potassium feldspar and mica after testing. Using the pipeline equipment of the present invention, such as figure 1 As shown, the inclination angle of the transport pipeline 5 is 30°, the length is 20m, the diameter of the ultrasonic vibrating rod 6 is 10cm, the length is 1m, the distance between the center of the ultrasonic vibrating rod 6 and the wave crest at the bottom of the wave-shaped transport pipe 5 is 10cm, and the amplitude of the wave line is 10cm. is 15cm, the wavelength is 25cm, the ultrasonic frequency is 30kHz, and the sound intensity is 0.27W / cm 2 , the number of ultrasonic vibrators 7 is 20, and they are evenly installed at the peaks and valleys of the transportation pipeline 5 for desliming. The quartz sand first removes a part of the surface sludge through the desliming bucket 1, the overflow of t...

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Abstract

The invention discloses pipeline equipment for strengthening casting quartz sand surface desliming. The pipeline equipment comprises a transportation pipeline, an ultrasonic vibration rod, an ultrasonic vibrator and an ultrasonic generator, the transportation pipeline is provided with an ore inlet and a sand setting opening, is obliquely installed on a fixed frame, is internally filled with ore pulp, and is in a fluctuating wave shape at the bottom; and the cross section of the transportation pipeline is in a U shape, the ultrasonic vibration rod is hung in the transportation pipeline through a support, the ultrasonic vibration rod is arranged in the axial direction and immersed in the ore pulp, the support is installed on the transportation pipeline, a groove is formed in the outer side of the bottom of the transportation pipeline, the ultrasonic vibrator is installed in the groove, and the ultrasonic vibration rod and the ultrasonic vibrator are electrically connected with the ultrasonic generator. The bottom of the transportation pipeline is in a wave shape, the flowing time of quartz sand materials is guaranteed within the limited flowing distance, the desliming effect is enhanced, and the desliming effect is enhanced through an ultrasonic composite field formed by the ultrasonic vibration rod and the ultrasonic vibrator.

Description

technical field [0001] The invention belongs to the field of mineral processing, in particular to a pipeline device for strengthening the surface desliming of foundry quartz sand. Background technique [0002] In addition to a large amount of quartz, quartz sand ore also contains iron oxide, clay, mica, organic impurities, etc. The presence of these impurities reduces the grade of silica sand. In fact, as the particle size of the ore becomes finer, the grade of silica in the ore continues to decrease, while the grade of impurities such as iron and aluminum increases instead. This phenomenon is especially obvious in quartz sand ore containing a large amount of clay minerals. . There are two kinds of occurrence states of clay gangue in quartz sand ore, one is millimeter-scale particles coexisting with quartz; the other is nano-scale particles embedded in the cracks and pores on the surface of quartz sand. About 50% of the clay gangue in quartz sand is embedded with nano-scal...

Claims

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Application Information

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IPC IPC(8): B03B9/00B03B5/60
CPCB03B9/00B03B5/60
Inventor 曹沁波母宇宽胡法林苏瑞芳严文超杨作文
Owner KUNMING UNIV OF SCI & TECH
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