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Method for manufacturing tin powder for organotin production

A production method and technology of organotin, applied in the field of production of tin powder for organotin production, can solve the problems of unsuitability for organotin production, high tapping temperature, high water pressure, etc., and achieve low production cost, simple process and high product quality. good quality effect

Active Publication Date: 2012-06-13
湖北犇星新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The tin powder produced by this method has a mesh size of about 200 mesh, which is not suitable for organic tin production
Moreover, the tapping temperature is too high and the water pressure is too high, which consumes too much energy for organic tin production enterprises.

Method used

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  • Method for manufacturing tin powder for organotin production
  • Method for manufacturing tin powder for organotin production

Examples

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Embodiment Construction

[0013] 1. Prepare a set such as figure 1 The tin powder processing device shown includes a carbon steel container 1, a stainless steel heating pipe 2, a tin discharge pipe 3, a water gun 5 and a cold water tank 6. Among them, the tin discharge pipe 3 is made of stainless steel or carbon steel, and an eyelet 4 is installed at the bottom of the tin discharge pipe. There are 3 to 6 round holes with a diameter of 0.6 to 1.2 mm on the bottom end of the eyelet. It's a leak. The blindfold 4 is also made of carbon steel or stainless steel. Utilize the effect of the heating device (heating pipe) wound on the tin discharge pipe to keep the temperature of the tin discharge pipe and the leakage eye mask 4 between 241-320° C. so that the tin water can pass through the leakage hole smoothly.

[0014] 2. Use 3~6 medium frequency stainless steel heating tubes of 15kW to melt the metal tin ingots in the carbon steel container. After the tin ingots are melted, they directly pass through the t...

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Abstract

The invention provides a manufacturing method for tin powder used for producing organic tin. The invention adopts a high pressure water atomization method which includes as follows: adopting a middle frequency stainless steel heating tube of 15kW to melt metal tin ingot in a carbon steel container; discharging the molten metal tin from the carbon steel container to a cold water trough; starting a water-cannon arranged near a leak hole when the temperature of the molten tin reaches 241DEG C to 320 DEG C, atomizing the molten tin into the tin powder by utilizing the ejective water flow and adjusting the pressure of the water flow to control the sizes of the particles of the tin powder and the pressure of the water flow is 1MPa to 3MPa; with the spraying of the high pressure water flow, directly arranging the tin powder adjusted to a proper number into the cold water trough and obtaining the 10 to 50 meshes of tin powder used for producing organic tin after cooling and drying. Compared with the prior art, the manufacturing method for tin powder used for producing organic tin has the advantages of low temperature of the molten tin, few energy consumption, simple technique, lower production cost, etc. The produced tin powder has regular shapes and good quality and can completely meet the requirements for the tin powder used for producing organic tin.

Description

technical field [0001] The invention relates to a method for preparing tin powder for organotin production. Background technique [0002] The production of organotin needs to use metallic tin, which is mainly in powder and flake form during the reaction, but flake processing is troublesome, and at the same time, the contact area with other reaction raw materials is not enough, which will affect the speed of reaction. For powdered tin Powder, the method of each manufacturer is different, some buy tin powder directly, and some buy tin ingots to produce by themselves. The cost of direct purchase is too high, and there are certain difficulties in the production method and particle size control of doing it yourself. [0003] There are currently methods for producing tin powder: restricted nozzle gas atomization method, high-pressure water atomization method, ultrasonic standing wave atomization method, solid-state phase change method and multi-stage atomization method, among whi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F9/08
Inventor 戴百雄吴勇宫廷徐善武吴正保张兴张勇刘勇王少培张建广温志鹏
Owner 湖北犇星新材料股份有限公司
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