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Whole-course recycling sea sand chlorine removal and impurity removal system

A technology of resource utilization and sea sand, applied in the field of building materials, can solve the problems of polluted soil, water source food chain, increased cost of sea sand treatment, secondary pollution of the ecological environment, etc., to achieve improved chlorine removal efficiency, high production efficiency, and significant economic benefits Effect

Pending Publication Date: 2021-10-19
临沂远大正和海洋科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 2. The higher concentration of chlorinated salt water discharged from sea sand cleaning is directly discharged into the sea or directly transported to the sun-dried salt field for crystallization and sun-dried salt, or transported to the salt-water farm for supplementary water. sea ​​sand treatment plant, the feasibility of this method is low, the transportation cost is high, and the cost of sea sand treatment is increased
This sludge is not treated, it is easy to cause serious secondary pollution and damage to the ecological environment, polluting soil, water and even the food chain

Method used

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  • Whole-course recycling sea sand chlorine removal and impurity removal system
  • Whole-course recycling sea sand chlorine removal and impurity removal system

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Embodiment 1

[0040] Such as figure 1 The shown one embodiment of the present invention's full resource sea sand removal and chlorine removal system includes: screening unit, cleaning and showering unit, impurity separation unit, ultrasonic generator, alkaline potential water generator, low pressure ozone generator Array stack, linear vibrating conveying screen water unit 19, flocculation tank 27, filter press 28, water collection tank 22, reverse osmosis treatment tank 23, two sun steamers 24, 25 and concentrated brine collection unit 26. details as follows:

[0041]The screening unit is used to remove impurities and silt in the sea sand, and send the removed sea sand to the cleaning and showering unit. The screening unit includes a first vibrating screen 3, a second belt conveyor 4, a second vibrating screen 5 and a third belt conveyor 6, and the first vibrating screen 3 is used to screen out shells and pebbles in sea sand raw materials The second belt conveyor 4 is used to send the sea...

Embodiment 2

[0078] The whole process resource sea sand removal and chlorine removal system differs from the first embodiment in that only one cleaning and showering unit is provided, that is, the first cleaning and showering unit. Sea sand is sent to the linear vibrating conveying sieve water unit 19 through the second bucket elevator 12 after being cleaned and rinsed by the cleaning and showering sheet, and the sand and water are separated. The separated clean sea sand is sent to the desalinated sand yard for storage. All indicators of the sea sand processed by the system meet the national and international standards.

[0079] The chloride content and other impurity content of sea sand treated by the above system can also meet the requirements of national and international standards.

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Abstract

The invention discloses a whole-course recycling sea sand impurity removal and chlorine removal system which comprises a screening unit, a cleaning and showering unit, an impurity separation unit, an ultrasonic generator, an alkaline potential water generator, a low-pressure ozone generation array pile, a linear vibration conveying and water screening unit, a flocculation basin, a filter press, a water collection tank, a reverse osmosis treatment tank, a sun-drying evaporator and a strong brine collection unit, and the system further comprises a caulking brick production unit and a mixing water collection unit. The system has good chlorine removal and impurity removal effects on sea sand, the chlorine content of the treated sea sand can be reduced to 0.0015%, chloride ion slow release is permanently avoided, and the sea sand reaches and exceeds the fresh water sand standard; and waste liquid and solid waste generated in the operation process of the system can be recycled, no pollution is caused to the environment, the sea sand treatment capacity can reach 300-600 tons per hour, and the economic benefit is remarkable.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a chlorine and impurity removal system for whole-process resource-based sea sand. Background technique [0002] In order to protect the environment of inland river sand and placer mines, all parts of our country have implemented a comprehensive ban on river sand mining. In addition, the ore sand has also been purified to extend its industrial chain. In this situation, construction sand resources, especially in coastal areas, are becoming increasingly tense. [0003] On the other hand, there are abundant sea sand mines along the coast of our country. Sea sand will produce a large amount of chloride on its surface after being soaked in seawater over a long period of time. Therefore, sea sand contains a large amount of chloride ions. Erosion. In addition, sea sand also contains impurities such as silt, shells, mica, and light substances, which also reduce the bonding force betwee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00B09B5/00B08B3/02B08B3/12B08B13/00
CPCB09B3/00B09B5/00B08B3/12B08B3/02B08B13/00Y02W30/20
Inventor 陈俊杰刘琰陈国伟郭澎陈赢郭君益
Owner 临沂远大正和海洋科技有限公司
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