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Waste acid conveying device for velvet preparation trough

A technology of conveying device and texturing trough, which is applied in post-processing devices, final product manufacturing, sustainable manufacturing/processing, etc., can solve the problems of inability to target treatment, environmental damage, waste of resources, etc., and achieves reduced wastewater treatment difficulty, The effect of preventing accidents and reducing the cost of wastewater treatment

Pending Publication Date: 2017-08-22
昊诚光电(太仓)有限公司
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Problems solved by technology

However, the current extensive treatment method cannot be targeted, which wastes a lot of resources and causes damage to the environment.

Method used

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  • Waste acid conveying device for velvet preparation trough

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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0020] A waste acid conveying device for a texture tank of the present invention comprises a nitrogen-phosphorus tank 1, a transfer barrel 2 and a sorting tank 3, and the bottom of the nitrogen-phosphorus tank 1 is provided with two openings. For washing tanks, the concentrations of the internal liquids are different. If they are mixed together and collected together, the cost of wastewater treatment will be increased. Therefore, the transfer tank 2 has two tanks, which are divided into a nitrogen-phosphorus concentration tank 21 and a nitrogen-phosphorus cleaning tank 22. The classification tank 3 ...

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Abstract

The invention discloses a waste acid conveying device for a velvet preparation trough. The device is used for collecting waste acid according to concentrations and includes a nitrogen and phosphorus groove, a transfer barrel and a classification pool; the bottom of the nitrogen and phosphorus groove is provided with two openings, the transfer barrel is provided with a nitrogen and phosphorus concentrated water tank and a nitrogen and phosphorus washing water tank, the classification pool is provided with a nitrogen and phosphorus concentrated water pool and a comprehensive pool, one opening in the bottom of the nitrogen and phosphorus groove is connected with the nitrogen and phosphorus concentrated water tank through a nitrogen and phosphorus concentrated water pipe and is connected with the nitrogen and phosphorus concentrated water pool through a water suction pump and a pipeline, the other opening in the bottom of the nitrogen and phosphorus groove is connected with the nitrogen and phosphorus washing water tank through a nitrogen and phosphorus washing water pipe and is connected with the comprehensive pool through a water suction pump and a pipeline, and the nitrogen and phosphorus concentrated water pipe and the nitrogen and phosphorus washing water pipe are provided with a first valve and a second valve respectively. The device is simple in structure and convenient to operate and achieves classified collection according to different concentrations, and the processing cost is saved.

Description

technical field [0001] The invention relates to the field of solar cell production, in particular to a waste acid conveying device for a texturing tank Background technique [0002] In the manufacturing process of solar cells, texturing is an important link. The chemicals involved in the production process include hydrofluoric acid, nitric acid, hydrochloric acid, and sodium hydroxide. The waste acid and waste water generated in these production processes are mixed and discharged to our waste water treatment station. According to statistics, the daily operation and treatment water volume of the waste water station is as high as 400-500T / d. When the life of the nitrogen and phosphorus tank expires and cannot meet the production demand, the nitrogen and phosphorus tank of nearly 600L will be re-washed and equipped. Wastewater needs to be properly disposed of before it can be discharged. However, the current extensive treatment methods cannot be targeted, which wastes a lot o...

Claims

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Application Information

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IPC IPC(8): C30B33/10C30B35/00H01L31/18
CPCH01L31/18C30B33/10C30B35/005Y02P70/50
Inventor 董超林涛樊根玉
Owner 昊诚光电(太仓)有限公司
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