Automatic purification device for waste emulsion extraction oil and control method
A technology for waste emulsion and purification device, applied in chemical instruments and methods, separation methods, liquid separation, etc., can solve the problems of wasting human capital, environmental pollution and damage, inaccurate valve control of devices, etc., to improve the effect and save manpower cost effect
Pending Publication Date: 2021-02-02
ZHENGZHOU HENGBO TECH
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Problems solved by technology
[0005] The problem solved by the present invention is to overcome the following problems existing in the extraction and purification of the existing waste emulsion: the liquid cannot be automatically detected and operated automatically, it needs to be done manually, and the valve control of the device is not accurate, which not only wastes a lot of Human capital, but also cause pollution and damage to the environment
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[0030] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only the present invention. Some embodiments of the invention are not all embodiments. Based on the implementation of the application of the present invention, some changes and improvements made by those skilled in the art, and all other implementations obtained belong to the scope of protection of the present invention.
[0031] Such as figure 1 As shown, an automatic purification device for extracting oil from waste emulsion, comprising: a kettle body 1, a liquid inlet pipe 2, a liquid inlet pipe valve 3, a drain pipe 4, a drain pipe valve 5, an oil discharge pipe 6, an oil discharge pipe valve 7, a compression Air intake pipe 8, compr...
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The invention belongs to the field of waste emulsion resourceful treatment, and particularly relates to an automatic purification device for waste emulsion extraction oil and a control method. A drainpipe and a liquid inlet pipe are sequentially arranged on one side of the kettle body from bottom to top, an oil discharge pipe is arranged on the other side of the kettle body, an oil discharge differential pressure transmitter and a water discharge differential pressure transmitter are arranged on the kettle body, and a high-position sampling point of the oil discharge differential pressure transmitter is below the horizontal height of the oil discharge pipe. A low-position sampling point of the drainage differential pressure transmitter is above the horizontal height of the drainage pipe;and the oil discharge differential pressure transmitter and the water discharge differential pressure transmitter are connected with a control system. According to the automatic purification control method for the waste emulsion extraction oil, the oil discharge differential pressure transmitter and the water discharge differential pressure transmitter are used for accurately judging whether the liquid is water, oil or water-oil mixed liquid. The liquid layering state of the designed position in the kettle body of the device is continuously and automatically recognized, and whether the position is an oil layer, a water layer or a mixed layer can be accurately judged.
Description
technical field [0001] The invention belongs to the field of waste emulsion resource treatment, and in particular relates to an automatic purification device and a control method for extracting oil from waste emulsion. Background technique [0002] The production of modern metallurgical and chemical industries will produce a large amount of waste emulsion. After demulsification and separation by a certain process, waste emulsion oil can be extracted, which is generally regarded as hazardous waste and sent to hazardous waste treatment enterprises for incineration, which is not only expensive The treatment costs are high, and the precious oil in the waste emulsified oil is wasted, and some are used as low-grade fuels. These are not up to high-value resource treatment, which is very inconsistent with the sustainable development of the national circular economy. [0003] Patent No. ZL201921799547.7 "A Dehydration and Purification Device for Waste Emulsion Oil in Aluminum Process...
Claims
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IPC IPC(8): B01D17/032B01D17/12B01D17/02
CPCB01D17/02B01D17/0214B01D17/12
Inventor 谷建辉刘方刘国恒焦江涛
Owner ZHENGZHOU HENGBO TECH