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Water and energy saving type sand and stone aggregate washing system and use method thereof

An energy-saving aggregate technology, applied in the field of sand and gravel aggregates, can solve problems such as flocculant accumulation, achieve water saving, reduce system cost, and save water resources

Active Publication Date: 2019-06-14
日昌升集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of flocculant accumulation in the sand and gravel aggregate washing system, and to provide a water-saving and energy-saving sand and gravel aggregate washing system and its use method

Method used

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  • Water and energy saving type sand and stone aggregate washing system and use method thereof

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specific Embodiment approach 1

[0019] Embodiment 1: This embodiment is a water-saving and energy-saving sand and gravel aggregate washing system, which includes a crusher 1, an inspection screen 2, a large-diameter anti-blocking nozzle 3, a mixing aggregate belt conveyor 4, a fan-shaped nozzle 5, and a finished product. Sieve 6, finished aggregate belt conveyor 7, light waste water tank 8, light waste water slurry pump 9, sand washing machine 11, dehydration screen 12, finished sand belt conveyor 13, concentrated waste water slurry pump 14, concentrated waste water tank 15, plate Frame filter press 16, filter cake belt conveyor 17, clean water pool 18 and clean water pump 20;

[0020] The discharge port of the crusher 1 is set correspondingly to the feed port of the inspection sieve 2; The feeding end of the mixing aggregate belt conveyor 4 is set correspondingly, the sand-water mixture outlet of the inspection screen 2 is set correspondingly to the feeding port of the sand washing machine 11; the large-dia...

specific Embodiment approach 2

[0022] Specific embodiment 2: The difference between this embodiment and specific embodiment 1 is that it also includes a water supply device 10 for the light waste water pool, and the water supply device 10 for the light waste water pool communicates with the light waste water pool 8 . Others are the same as the first embodiment.

specific Embodiment approach 3

[0023] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: it also includes a clean water tank replenishment device 19 , and the clean water tank water replenishment device 19 communicates with the clean water tank 18 . Others are the same as those in Embodiment 1 or 2.

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Abstract

The invention relates to the field of sand and stone aggregates, in particular to a water and energy saving type sand and stone aggregate washing system and a use method thereof. The invention aims tosolve the problem of flocculant accumulation in the sand and stone aggregate washing system. The water and energy saving type sand and stone aggregate washing system includes a crusher, a test sieve,a large-calibre anti-blocking spraying head, a mixing aggregate belt conveyor, a fan nozzle, an end product sieve, a finished aggregate belt conveyor, a light wastewater pool, a light wastewater slurry pump, a sand washing machine, a dewatering sieve, a finished product sand belt conveyor, a concentrated wastewater slurry pump, a concentrated wastewater pool, a plate-and-frame filter press, a filter cake belt conveyor, a clean water tank and a clean water pump. The use method includes the steps of 1, crushing; 2, first sieving; 3, second sieving; 4, alternating washing; and 5, wastewater treatment. The water and energy saving type sand and stone aggregate washing system and the use method thereof have the beneficial effects that firstly, no flocculant is added; secondly, the effluent quality is generally at 5 mg / L or lower; and thirdly, the water supply volume is decreased to half. The water and energy saving type sand and stone aggregate washing system and the use method thereof aremainly used for sand and stone aggregate washing.

Description

technical field [0001] The invention relates to the field of sand and gravel aggregates, in particular to a water-saving and energy-saving sand and gravel aggregate washing system and a use method. Background technique [0002] At present, the wet washing process commonly used in the sand and gravel aggregate industry is water washing-dosing precipitation-press filtration-reuse. This method consumes a lot of water, requires a lot of investment, and the quality of the sedimentation effluent is unstable. The quality of the effluent water is generally between 10mg / L and 20mg / L (SS content), large dosage and other characteristics. In addition, during the recycling process of recycled water, the flocculant has been accumulating, which will have a certain impact on the quality of the aggregate. [0003] The effluent water quality of the sedimentation tank is unstable and the water consumption is large. At the same time, the investment cost of the sedimentation tank is high. Due ...

Claims

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Application Information

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IPC IPC(8): C04B20/02
Inventor 胡仕斐刘永红徐建荣
Owner 日昌升集团有限公司
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