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Reduction hydrogen production compound furnace and device and method for ammonium paratungstate tungsten production by using same

A technology of ammonium paratungstate and hydrogen production equipment, which is applied in the field of tungsten powder production, can solve problems affecting product quality and purity, product secondary pollution, power consumption and labor costs, etc., to reduce equipment investment and labor, save production procedures, and save The effect of electricity bills

Active Publication Date: 2013-02-13
江苏和田科技材料有限公司
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Problems solved by technology

The problem existing in the existing technology is: tungsten oxide is not a primary raw material, and there is still a passway from APT (ammonium paratungstate) to tungsten oxide. 2 The calcination process requires calcination furnace equipment and consumes H 2 Power consumption and labor
Calcining APT at high temperature to obtain tungsten oxide and ammonia gas, the discharge of ammonia gas will cause secondary pollution to the product and affect the quality and purity of the product

Method used

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  • Reduction hydrogen production compound furnace and device and method for ammonium paratungstate tungsten production by using same
  • Reduction hydrogen production compound furnace and device and method for ammonium paratungstate tungsten production by using same

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Embodiment Construction

[0020] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.

[0021] like figure 1 As shown, the device for producing tungsten from ammonium paratungstate in this embodiment includes a reduction hydrogen production composite furnace 1, a water cooler 2, a steam-water separator 3 and a hydrogen purification device 4, and the reduction hydrogen production composite furnace 1 includes a furnace body 11 and is arranged on the furnace body 11. The furnace tube 12, hydrogen production equipment 13 and heating equipment 14 inside, the heating temperature zone of the heating equipment 14 is 700°C-900°C, and the heating temperature zone includes 700°C temperature zone 141, 800°C tempe...

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Abstract

The invention discloses a reduction hydrogen production compound furnace and a device and a method for ammonium paratungstate tungsten production by using the same. The reduction hydrogen production compound furnace comprises a furnace body, a furnace tube which is arranged in the furnace body, a hydrogen production device and a heating device, wherein the hydrogen production device and the heating device are arranged in the furnace body, a heating temperature region of the heating device is in a range from 700 DEG C to 900 DEG C, the heating temperature region comprises a temperature region of 700 DEG C, a temperature region of 800 DEG C, a temperature region of 850 DEG C and a temperature region of 900 DEG C, the temperature region of 700 DEG C, the temperature region of 800 DEG C, the temperature region of 850 DEG C and the temperature region of 900 DEG C are distributed sequentially along a material inlet of the furnace tube, the hydrogen production device is located on the temperature region of 850 DEG C and the temperature region of 900 DEG C, and a gas inlet of the hydrogen production device is connected to a gas outlet of the furnace tube. Tungsten powder can be produced through ammonium paratungstate tungsten (APT) production, the production process is omitted, the process is simplified, the device investment and the labor are saved, and the production cost is saved. Hydrogen can be produced, the hydrogen energy consumption is saved, and energy-saving, emission-reduction and recycling functions are achieved.

Description

technical field [0001] The present invention relates to a technology for producing tungsten powder, in particular to a composite hydrogen reduction furnace, a device and a method for producing tungsten from ammonium paratungstate using the composite furnace. Background technique [0002] Existing technology for producing tungsten powder: At present, the principle of producing tungsten powder at home and abroad is to use tungsten oxide and H 2 The process of reaction into tungsten powder and water. The working principle of the ordinary reduction furnace used in this process is: put tungsten oxide into the furnace, and react with hydrogen to form tungsten powder. The problem existing in the existing technology is: tungsten oxide is not a primary raw material, and there is still a passway from APT (ammonium paratungstate) to tungsten oxide. 2 The calcination process requires calcination furnace equipment and consumes H 2 Consumption of electricity and labor. Calcining APT a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B3/04B22F9/22C01B3/50
CPCY02E60/364Y02E60/36Y02P20/10
Inventor 汤锡明张海荣汤婉雍
Owner 江苏和田科技材料有限公司
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