一种硝酸钾蒸汽水回收罐

Abstract

本实用新型涉及一种硝酸钾蒸汽水回收罐，属于化工设备技术领域。主要包括罐体、喷淋筒、螺旋导流板、冷凝盘管和喷淋机构，罐体内设置螺旋导流板与喷淋筒配合，结合锥形导流罩延长含硝蒸汽流动路径和停留时间；并设置冷凝盘管与喷淋机构，实现了高效冷却功能，未完全冷凝的蒸汽经锥形导流罩引流至喷淋筒内，通过喷淋机构二次冷却，有效减少了硝酸钾岁气流逸散的问题；温度传感器和液位传感器与控制器连接，实时监测工况，实现自动化操作。本实用新型显著提高了硝酸钾回收率，有效减少了资源浪费和环境污染。

Claims

1. A potassium nitrate vapor water recovery tank characterized by: The potassium nitrate vapor water recovery tank includes a tank body (1), a spray cylinder (2), a spiral guide plate (3), a sealing cover (4), an air inlet pipe (5), a drain pipe (6), a condenser coil (7), and a spray mechanism (8). The tank body (1) has a support leg (101) welded to the bottom and a sealing cover (4) installed on the top via a flange. The tank body (1) is composed of an inner shell (102) and an outer shell (103). An annular cavity is formed between the inner shell (102) and the outer shell (103). A vertical condenser coil (7) is installed in the annular cavity. The inlet end (701) and outlet end (702) of the condenser coil (7) pass through the outer shell (103) and are connected to the coolant circulation system; one end of the air inlet pipe (5) passes through the outer shell (103) and is tangentially set on the top side wall of the inner shell (102), communicating with the inside of the inner shell (102), and the other end is connected to the source of nitrate vapor. A spiral guide plate (3) is fixedly installed on the inner wall of the inner shell (102). The top end of the drain pipe (6) is connected to the bottom of the inner shell (102), and the bottom end passes through the bottom of the outer shell (103) and is installed with a spiral guide plate (3). The controller is electrically connected to the valve (601); the spray cylinder (2) is coaxially installed at the center of the inner shell (102) via the bracket (201), and an annular cooling channel is formed between its outer wall and the inner shell (102). A spraying mechanism (8) is installed at the top of the spray cylinder (2), and the bottom end is higher than the bottom of the inner shell (102) and is equipped with a conical guide shroud (203). The large end of the conical guide shroud (203) is connected to the bottom end of the spray cylinder (2), and an arc-shaped liquid outlet (2031) is evenly opened at its bottom along the circumferential direction. The small end extends to the spray cylinder ( 2) The inner wall is provided with a flow guide hole (2032); the gas collection hood (9) is installed at the top of the spray cylinder (2), and its small end is connected to the exhaust pipe (901) through the flange. The top of the exhaust pipe (901) passes through the sealing cover (4) and is connected to the external purification device; a temperature sensor (105) is installed on the middle side wall of the inner shell (102), and a liquid level sensor (106) is installed on the bottom side wall. The temperature sensor (105) and the liquid level sensor (106) are electrically connected to the controller installed on the outer wall of the tank (1) through signal lines.

2. A potassium nitrate vapor water recovery tank as defined in claim 1, wherein: The spraying mechanism (8) includes a water supply pipe (801), a water pump (802), a branch pipe (803), an annular spray pipe (804), and spray heads (805). One end of the water supply pipe (801) is connected to the outlet of the water pump (802) through a flange, and the other end passes through the sealing cover (4) and extends into the spray cylinder (2). The bottom end of the pipe is connected to the branch pipe (803) through a tee. The annular spray pipe (804) is welded to the end of the branch pipe (803). Spray heads (805) are evenly arranged along the circumference of the annular spray pipe (804).

3. A potassium nitrate vapor water recovery tank as claimed in claim 1 or 2, characterized in that: The spiral guide plate (3) is spirally distributed along the inner wall of the inner shell (102), and its outer edge is welded and fixed to the inner wall of the inner shell (102). The inner edge is inclined downward at 15 to 30° and leaves a gap of 10-20 mm between it and the outer wall of the spray cylinder (2).

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