Full-automatic silver powder centrifugal filtering and washing device and silver powder washing method

A technology of centrifugal filtration and washing device, which is applied in the direction of separation method, mobile filter element filter, filtration separation, etc., which can solve the problems of increasing sodium chloride immersion silver work, not adapting to modern production, increasing wastewater treatment costs, etc., and achieves saving Drying time, improvement of filtration and separation effect, and effect of saving treatment cost

Active Publication Date: 2013-12-04
YUNNAN CHIHONG ZINC & GERMANIUM
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  • Abstract
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  • Application Information

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Problems solved by technology

In addition, the amount of washing water used for washing is large, which not only increases the work of sodium chloride immersion silver, but also causes a large loss of valuable metals. At the same time, a large amount of washing water enters the purification system, which increases the cost of wastewater treatment
Therefore, the traditional manual operation has the disadvantages of low production efficiency, high labor intensity, high loss of valuable metal silver, and large amount of washing water, which is no longer suitable for the needs of modern production.

Method used

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  • Full-automatic silver powder centrifugal filtering and washing device and silver powder washing method
  • Full-automatic silver powder centrifugal filtering and washing device and silver powder washing method
  • Full-automatic silver powder centrifugal filtering and washing device and silver powder washing method

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Embodiment Construction

[0019] As shown in the figure, the device of the present invention includes a base 1 , a casing 5 installed on the base, and a cover 6 mounted on the top of the casing. A vertical center shaft assembly 2 is arranged inside the casing 5 , an outer drum 11 fitted on the center shaft assembly 2 and fixedly coupled with the center shaft assembly 2 , and an inner drum 12 arranged inside the outer drum. At least two vertical fixing pins 14 are evenly distributed on the inner bottom plane of the outer drum 11, and at least two vertical pins recessed into the side wall of the inner drum are evenly arranged corresponding to the bottom end of the inner drum 12. The hole 13 is used to fit the inner drum 12 to the outer drum 11 by inserting the pin hole 13 into the fixing pin 14 to form a centrifugal device with a double drum structure. In this example, four fixing pins 14 are symmetrically arranged on the inner bottom plane of the outer drum 11 , and four pin holes 13 are symmetrically a...

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Abstract

The invention relates to a full-automatic silver powder centrifugal filtering and washing device and a silver powder washing method, wherein the device comprises an engine base (1), a housing which is installed on the engine base and a cover (6) which is mounted on the top of the housing. The method provided by the invention realizes full automation for washing and filtering silver powder, improves the electrolytic silver powder washing efficiency, reduces production cost and improves metal recovery.

Description

technical field [0001] The invention relates to the technical field of special equipment for washing and filtering electrolytic silver powder in the precious metal smelting industry and a method for washing silver powder. Background technique [0002] In the silver electrolysis process of precious metal smelting, the silver powder will contain a certain amount of silver nitrate electrolyte in the process of electrolysis out of the tank. In order to ensure the quality of the silver powder product, the silver powder after electrolysis must be washed. At present, in the precious metal smelting industry, the washing of silver powder is mainly done manually, that is, the silver powder after leaving the tank is placed in the washing tank, soaked in distilled water, stirred manually, and washed repeatedly until the silver powder washing water is neutral. After washing, the silver powder is not filtered, and the water content is relatively high, about 7%-10%. It needs to be baked in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F1/00B01D33/067B01D33/11B01D33/60
Inventor 王少龙张文金王瑞山廖为新田惟维何斌余秋雁丁旭
Owner YUNNAN CHIHONG ZINC & GERMANIUM
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