Desiliconization and hardness removal integrated device and method

A technology of desiliconization and desiliconization agent, which is applied in chemical instruments and methods, water softening, water/sewage multi-stage treatment, etc., can solve the problems of lack of efficient means, hardness or silicon single removal efficiency, etc., and achieve process integration high degree of effect

Pending Publication Date: 2022-07-05
新疆天业汇合新材料有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods have a single removal efficiency for hardness or silicon, and there is still no efficient means to remove both at the same time.

Method used

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  • Desiliconization and hardness removal integrated device and method

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Comparison scheme
Effect test

Embodiment 1

[0019] The process device and flow chart of this embodiment are shown in figure 1 .

[0020] This embodiment provides an integrated device for desiliconization and hardness removal. The device includes an adjustment tank, a hardness removal tank, a silicon removal tank, a coagulation tank, a flocculation tank and a sedimentation tank; wherein the volume of the adjustment tank is 25 m 3 , The volume of the hard pool is 25 m 3 , the volume of the desiliconization tank is 25 m 3 , the volume of the coagulation tank is 15 m 3 , the volume of the flocculation tank is 15 m 3 , the volume of the sedimentation tank is 280 m 3 . The above equipments are connected one by one, wherein the water outlet of the adjustment tank is the water inlet of the hard removal tank, the water outlet of the hard removal tank is the water inlet of the silicon removal tank, the water outlet of the silicon removal tank is the water inlet of the flocculation tank, and the water outlet of the flocculati...

Embodiment 2

[0023] This embodiment provides an integrated device for desiliconization and hardening removal. The device includes a conditioning tank, a hardening tank, a desiliconization tank, a coagulation tank, a flocculation tank and a sedimentation tank; wherein the volume of the adjustment tank is 30 m 3 , The volume of the hard pool is 30m 3 , the volume of the silicon removal tank is 33m 3 , the volume of the coagulation tank is 17m 3 , the volume of the flocculation tank is 33m 3 , the volume of the sedimentation tank is 280 m 3 . The above equipments are connected one by one, wherein the water outlet of the adjustment tank is the water inlet of the hard removal tank, the water outlet of the hard removal tank is the water inlet of the silicon removal tank, the water outlet of the silicon removal tank is the water inlet of the flocculation tank, and the water outlet of the flocculation tank is the water inlet of the flocculation tank. The water outlet is the water inlet of the ...

Embodiment 3

[0026] This embodiment provides an integrated device for desiliconization and hardening removal. The device includes a regulating tank, a hardening tank, a silicon removal tank, a coagulation tank, a flocculation tank and a sedimentation tank; wherein the volume of the regulating tank is 12 m 3 , The volume of the hard pool is 12 m 3 , the volume of the silicon removal tank is 12 m 3 , the volume of the coagulation tank is 1m 3 , the volume of the flocculation tank is 3m 3 , the volume of the sedimentation tank is 25 m 3 . The above equipments are connected one by one, wherein the water outlet of the adjustment tank is the water inlet of the hard removal tank, the water outlet of the hard removal tank is the water inlet of the silicon removal tank, the water outlet of the silicon removal tank is the water inlet of the flocculation tank, and the water outlet of the flocculation tank is the water inlet of the flocculation tank. The water outlet is the water inlet of the sedi...

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Abstract

The invention provides a desilicication and hardness removal integrated device and method, and relates to the technical field of wastewater treatment. According to the device disclosed by the invention, the regulating tank, the hardness removal tank, the silicon removal tank, the coagulation tank, the flocculation tank and the sedimentation tank are integrated, so that high-silicon and high-hardness wastewater is subjected to mud-water separation in the same sedimentation tank after hardness removal and desilicication. The method comprises the following steps: sequentially adding sodium hydroxide, sodium carbonate, a desiliconization agent, a coagulant and a flocculant into an adjusting tank, a hardness removal tank, a silicon removal tank, a coagulation tank and a flocculation tank, staying in each tank for a period of time and then entering a sedimentation tank, obtaining clarified desiliconized hardness-removed wastewater at an outlet at the upper part of the sedimentation tank, and obtaining sludge containing a hardness-removed product and a desiliconized product at the bottom of the sedimentation tank. According to the invention, the integration degree is high, the number of coagulation tanks, flocculation tanks and sedimentation tanks is reduced, the process flow is simplified, the removal rates of hardness and silicon in the high-silicon and high-hardness wastewater respectively reach 95% and 90%, the requirements of downstream inflow water quality are met, and the method is a rapid and efficient desilicication and hardness removal method and is suitable for industrial application.

Description

technical field [0001] The invention provides an integrated device and method for desiliconization and hardening removal, and relates to the technical field of wastewater treatment. Background technique [0002] Calcium-magnesium scale and silicon scale are two common scales in the water treatment process. These two scales are generally caused by excessive hardness and silicon content in the water. These scales are deposited on the inner wall of the equipment pipeline or the surface of the membrane, causing The heat transfer and mass transfer efficiency of the equipment decreases, which seriously affects the normal operation of the equipment. Among them, the main components of silica scale are inorganic silicate and amorphous SiO 2 It is dense and hard, insoluble in common acid and alkali, and is currently the most difficult scale to deal with, which has become a worldwide problem. At present, the silicon removal technology in the field of water treatment includes coagulat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/04C02F1/60C02F5/02
CPCC02F9/00C02F1/60C02F5/02C02F1/66C02F1/5281C02F1/008C02F2001/007C02F2201/007C02F2209/055C02F2209/06C02F2209/44C02F2303/22
Inventor 宋晓玲王道广张永龙孙景晶张立王均凤唐红建李刚杨军魏东胡江汤胜勇巨文章马银山曹志晔唐复兴
Owner 新疆天业汇合新材料有限公司
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