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Recycling tank for bauxite sewage

A technology for recycling tanks and bauxite, which is applied in water/sewage treatment, mining wastewater treatment, water/sludge/sewage treatment, etc. It can solve the problems of difficulty in discharging crystallizers, and achieve convenient and fast discharging and reduce friction. force effect

Pending Publication Date: 2018-03-06
遵义汇恒环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention intends to provide a recovery tank for bauxite sewage to solve the problem of difficult discharge of crystallization tanks in the prior art

Method used

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  • Recycling tank for bauxite sewage
  • Recycling tank for bauxite sewage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1: as figure 1 As shown, a recovery tank for bauxite sewage includes a tank body, a liquid inlet pipe 2 and a discharge port 7 located on the tank body, an agitator 1 is installed in the tank body, and feet are provided at the bottom of the tank body 9. The tank body includes an oval plate 6, a cover 3 and a surrounding wall 5 connecting the oval plate 6 and the cover 3. The liquid inlet pipe 2 is located on the upper part of the cover 3, on the side opposite to the liquid inlet pipe 2. The surrounding wall 5 is provided with a liquid outlet pipe 4; the shape of the oval plate 6 matches the surrounding wall 5, and the discharge port 7 is located on the side wall at the lowest point where the surrounding wall 5 contacts the oval plate 6 , the outside of the discharge port 7 is hinged with a sealing door 8 that seals the discharge port 7, and the inside of the sealing door 8 is provided with a sealing strip; the mouth of the discharge pipe 4 is provided with a ...

Embodiment 2

[0022] The difference between embodiment 2 and embodiment 1 is that the inclination angle of the oval plate 6 is 15°, and the sealing door 8 is connected with the discharge port 7 by tenon and tenon.

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Abstract

The invention discloses a recycling tank for bauxite sewage. The recycling tank comprises a tank body, a liquid inlet pipe positioned on the tank body, and a discharging port; a stirrer is mounted inthe tank body; the tank body comprises a bottom plate, a sealing cover and an enclosing wall for connecting the bottom plate with the sealing cover; the liquid inlet pipe is positioned at the upper part of the sealing cover, and a liquid outlet pipe is arranged on the enclosing wall on one side opposite to the liquid inlet pipe; and the bottom plate is an obliquely-arranged elliptical plate, the shape of the elliptical plate is matched with that of the enclosing wall, the discharging port is formed in the side wall at the contact lowest point between the enclosing wall and the elliptical plate, and a sealing door for sealing the discharging port is arranged outside the discharging port. The recycling tank disclosed by the invention has the benefits that crystals only can be discharged after supernatant liquid is extracted; and through arranging the oblique elliptical plate and the discharging port in the side edge, the friction force of the crystals and the dead angles of the tank bodyare reduced, so that the crystals are convenient and quick to clean.

Description

technical field [0001] The invention relates to the technical field of waste water or sewage treatment, in particular to a recovery tank for bauxite sewage. Background technique [0002] my country is rich in aluminum ore resources, ranking fourth in the world in reserves, mainly distributed in Shanxi, Guizhou, Henan, Guangxi, Sichuan and Yunnan. The average grade of bauxite is: Al 2 o 3 61.99%, SiO 2 10.40%, mainly diaspore. At present, more than 95% of alumina plants in China adopt the Bayer process. The chemical formula is: Al 2 o 3 +(1 or 3)H2O+2NaOH+aq→2NaAl(OH) 4 +aq, the core of the Bayer method production process is the dissolution process of bauxite slurry. Due to the relatively low aluminum-silicon ratio of the ore, the alumina production process in my country is complicated and the production cost is high. At the same time, there is too much waste aluminum acid in the sewage , direct discharge will not only cause environmental pollution, but also cause was...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/00B01D9/00C02F103/10
CPCB01D9/00B01D9/0059C02F1/00C02F1/001C02F2103/10B01D2009/0086
Inventor 祝朝富
Owner 遵义汇恒环保科技有限公司
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