一种硝酸钾熔融熔盐槽

Abstract

本实用新型涉及一种硝酸钾熔融熔盐槽，属于硝酸钾生产加工技术领域。主要包括槽体、分隔板、电热管、连通管、单向阀、多层滤网、活性炭层、搅拌机构、温度传感器和控制器；槽体内通过分隔板分为预热腔和熔解腔，电热管分布于加热夹层，连通管上设单向阀，多层滤网与活性炭层逐级过滤杂质，搅拌机构通过导流孔促进均匀受热，温度传感器与控制器实现精确控温，本申请通过双腔体设计、多级过滤系统及搅拌组件协同作用，显著提高熔盐纯度和熔解效率，优化热量分布，减少能耗。

Claims

1. A potassium nitrate molten fluxed salt tank characterized by: The potassium nitrate melting salt tank includes a tank body (1), a partition plate (2), an electric heating tube (3), a connecting pipe (4), a one-way valve (5), a multi-layer filter screen (6), an activated carbon layer (7), a stirring mechanism (8), a temperature sensor (9), and a controller (10). The tank body (1) is divided into a preheating chamber (11) and a melting chamber (12) by the partition plate (2). The partition plate (2) is vertically fixed inside the tank body (1) and completely separates the tank body (1). The bottom of the tank body (1) is equipped with... There is a heating jacket (13), and electric heating tubes (3) are installed inside the heating jacket (13) and distributed in a vortex shape on the bottom wall of the preheating chamber (11) and the melting chamber (12). A connecting pipe (4) is installed on the top of the partition plate (2). The connecting pipe (4) passes through the partition plate (2) and connects with the preheating chamber (11) and the melting chamber (12). A one-way valve (5) is installed on the connecting pipe (4). A multi-layer filter screen (6) is installed inside the connecting pipe (4). The multi-layer filter screen (6) consists of a coarse filter screen and a medium filter screen from left to right. The fine filter screen and the activated carbon layer (7) are located on the right side of the fine filter screen and connected to the one-way valve (5). The stirring mechanism (8) includes a drive motor (81), a rotating shaft (82) and stirring blades (83). The drive motor (81) is fixed to the center of the top wall of the preheating chamber (11). The rotating shaft (82) is fixedly connected to the output end of the drive motor (81) and extends into the preheating chamber (11). The stirring blades (83) are evenly fixed to the outer wall of the rotating shaft (82). Several guide holes are opened on the surface of the stirring blades (83). (84) The guide holes (84) are arranged at equal intervals along the length of the stirring blades (83). The top of the tank (1) is provided with a feed inlet, which is connected to the preheating chamber (11). The bottom of the tank (1) is provided with a discharge port, which is connected to the melting chamber (12). A control valve is installed at the discharge port. A temperature sensor (9) is provided in the heating jacket (13). The electric heating tube (3), drive motor (81), check valve (5), control valve and temperature sensor (9) are electrically connected to the external controller (10).

2. The potassium nitrate molten fluxing salt bath of claim 1, wherein: The outer wall of the tank (1) is provided with a heat insulation layer, the inside of which is filled with asbestos material. The outer wall of the heat insulation layer is provided with a waterproof coating. The inner walls of the preheating chamber (11) and the melting chamber (12) are both coated with a high-temperature resistant coating with a thickness of 1 mm to 2 mm.

3. The potassium nitrate molten fluxing salt bath of claim 2, wherein: The cross-section of the connecting pipe (4) is trapezoidal, and the opening of the connecting pipe (4) near the preheating chamber (11) is larger than the opening near the melting chamber (12).

4. The potassium nitrate molten fluxing salt bath of claim 1 or 2, wherein: The diameter of the guide hole (84) on the stirring blade (83) is 5 mm to 10 mm. The stirring blade (83) is fixed to the outer wall of the rotating shaft (82) by welding. The drive motor (81) is fixed to the center of the top wall of the preheating chamber (11) by bolts. The rotating shaft (82) and the output end of the drive motor (81) are connected by a coupling.

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