一种乙二醇二甲醚生产用废水处理装置

Abstract

本实用新型公开了一种乙二醇二甲醚生产用废水处理装置，包括塔釜和塔体，塔釜内设有加热盘管，塔釜底部设有排水口，塔釜上设有在线温度计A和COD在线分析仪A，塔体中部设有上下两层填料，两层填料之间设有废水进水口，废水进水口连接废水进水管道，废水进水管道上安装COD在线分析仪B和在线液体流量计，塔体顶部设有除沫器，塔体顶端设有排气口和回流口，排气口连接冷凝器，冷凝器设有收集口和排放口，收集口连接废水回流罐，废水回流罐上安装成分测定装置，废水回流罐底部设有回流管道和采出管道，回流管道通过循环泵连接回流口，排放口连接排放管道，排放管道上安装气体测定装置；本实用新型具有处理效果好、有用物料可回收利用的优点。

Claims

1. A waste water treatment apparatus for ethylene glycol dimethyl ether production comprising a waste water column, characterized by: The wastewater treatment tower consists of a reboiler and a tower body. The reboiler contains a heating coil and a drain outlet at its bottom. An online thermometer (A) and an online COD analyzer (A) are located at the top of the reboiler. The tower body contains packing material in two layers, with a grid plate at the bottom. A wastewater inlet is located between the two layers of packing, connected to a wastewater inlet pipe. An online COD analyzer (B) and an online liquid flow meter are installed on the wastewater inlet pipe. A demister is located at the top of the tower body, along with an exhaust port and a reflux port. The exhaust port connects to a condenser, which has a collection port and a discharge port. The collection port connects to a wastewater reflux tank, on which a component analysis device is installed. The bottom of the wastewater reflux tank has a reflux pipe and a collection pipe. The reflux pipe is connected to the reflux port via a circulation pump, and the discharge port connects to a discharge pipe, on which a gas analysis device is installed.

2. The waste water treatment apparatus for the production of ethylene glycol dimethyl ether according to claim 1, characterized by: The tower bottom is a horizontal tank. On one side of the tower bottom, there is a steam inlet pipe and a steam outlet pipe that provide heating steam to the heating coil. An online gas flow meter and a steam inlet control valve are installed on the steam inlet pipe. An electric valve positioner is installed on the steam inlet control valve. A steam outlet control valve is installed on the steam outlet pipe. A level gauge A and its level transmitter are installed on the other side of the tower bottom.

3. The wastewater treatment device for ethylene glycol dimethyl ether production according to claim 2, characterized in that: The drain outlet and the level gauge are located on the same side of the tower bottom, and the drain outlet is connected to the drain pipe through a plate heat exchanger.

4. The waste water treatment apparatus for the production of ethylene glycol dimethyl ether according to claim 1, characterized by: Online thermometers B are installed at the bottom, middle, and top of the tower body.

5. The waste water treatment device for the production of ethylene glycol dimethyl ether according to claim 1, characterized by: The packing material is a stainless steel Sita ring.

6. The waste water treatment apparatus for the production of ethylene glycol dimethyl ether according to claim 1, characterized by: The condenser is a tubular condenser, the cooling medium is chilled brine, and the material is graphite or carbon steel.

7. The waste water treatment device for the production of ethylene glycol dimethyl ether according to claim 1, characterized by: A level gauge B is installed on the wastewater return tank.

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