Sea sand dechlorination and leaching system and method

A chlorine leaching and sea sand technology, applied in chemical instruments and methods, water pollutants, ion-exchange water/sewage treatment, etc., can solve problems such as chlorine collection process problems

Pending Publication Date: 2019-08-30
SHENZHEN INVESTIGATION & RES INST
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  • Sea sand dechlorination and leaching system and method

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Example Embodiment

[0028] Example 1

[0029] Such as figure 1 As shown, this embodiment provides a sea sand dechlorination and leaching system, which includes a sand pile 130. The bottom of the pile 130 is provided with a drainage pipe 131. The drainage pipe 131 is connected to the monochloride eluate pool 140 and the monochloride salt respectively. The oxide leaching solution pool 170 is connected; the chloride salt eluate pool 140 is connected to an ion exchange desalination device 150, and the ion exchange desalination device 150 is correspondingly connected to the clear water storage tank 160; the chloride salt oxide leaching solution pool 170 is connected to a neutralization device. The treatment device 180 is connected, and the neutralization treatment device 180 is correspondingly connected to the clean water reservoir 160; the clean water reservoir 160 is connected to a spray device 200 through a connecting pipe 161, and the outlet of the spray device 200 is aligned with the sand tray 130; ...

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Abstract

The invention relates to the technical field of sea sand dechlorination, in particular to a sea sand dechlorination and leaching system and method. The system comprises a sand accumulation disk, wherein a water discharging pipe is arranged on the bottom of the sand accumulation disk, and the water discharging pipe communicates with a chlorine salt eluate tank and a chlorine salt oxide leaching solution tank separately; the chlorine salt eluate tank is connected with an ion exchange desalination device, and the ion exchange desalination device is connected with a clear water storage tank correspondingly; the chlorine salt oxide leaching solution tank is connected with a neutralizing treatment device, and the neutralizing treatment device is connected with the clear water storage tank correspondingly; the clear water storage tank is connected with a spraying device through a connection pipe, and an outlet of the spraying device is aligned with the sand accumulation disk; and the connection pipe is connected with an ozone generator. According to the sea sand dechlorination and leaching system and method, by means of staged spraying leaching, different leaching solutions can be used for acting on a chlorine salt, the production cost is low, no toxic gas is generated, and clear water is recycled, so that resources are saved.

Description

technical field [0001] The invention relates to the technical field of sea sand dechlorination, in particular to a sea sand dechlorination leaching system and a method thereof. Background technique [0002] Fresh water washing is the most commonly used method for sea sand desalination. However, this method needs to be washed with fresh water repeatedly, and the production of desalinated sea sand that meets building standards requires a lot of fresh water resources and high production costs. In areas where fresh water resources are scarce, this traditional sea sand desalination process is just There are great limitations. [0003] Aiming at the problems existing in traditional sea sand desalination methods and processes, some domestic scholars recently studied the desalination treatment of sea sand by adopting a new treatment method of "oxidizing and removing chlorine salt contained in sea sand", and directly using efficient dechlorination agent to desalinate sea sand. The ...

Claims

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Application Information

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IPC IPC(8): C04B20/02C04B14/06C02F1/42C02F101/12
CPCC04B20/023C04B20/02C02F1/42C02F2101/12C04B14/068
Inventor 彭富良蒋鹏周洪涛贺红堂魏荣忠
Owner SHENZHEN INVESTIGATION & RES INST
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