2results about How to "Reduce separation load" patented technology

The invention discloses a method for separating and refining fusel oil in Fischer-Tropsch synthesis, and belongs to the technical field of chemical separation. In order to solve the problems of difficult separation and high energy consumption of fusel oil due to the existence of azeotrope, the invention provides a rectification and membrane separation coupled process. The method comprises the following steps: firstly, pretreating a fusel oil raw material through a two-stage rectifying tower, and sequentially removing water, heavy components and light components; then carrying out neutralization desalination treatment on the obtained mixed alcohol solution, and then feeding the mixed alcohol solution into a steam permeable membrane system for deep dehydration to obtain mixed alcohol steam with low water content; and finally, sequentially feeding the dehydrated alcohol steam into a subsequent rectifying tower, and separating to obtain high-purity ethanol, n-propyl alcohol and n-butyl alcohol products. Through energy integration design, high-temperature material flow is used for preheating raw materials and providing a heat source for the rectifying tower, and energy consumption is remarkably reduced. The method is reasonable in process, effectively breaks through the alcohol-water azeotropic limitation, and realizes efficient and low-cost separation of high-added-value components in fusel oil.

This application discloses a dust collection device for molten iron tapping, belonging to the field of dust collection technology. It includes an operating box. The design is novel and ingenious. By incorporating a cooling mechanism, water tank, water pump, water supply pipe, diversion pipe, atomizing spray head, water inlet, and a No. 1 cover, it facilitates the collection of high-temperature dust. Turning on the water pump delivers water from the tank to the dust collection cylinder via the water supply pipe, then diverts the water to both ends of the pipe, finally atomizing it through multiple diversion pipes and spraying it out to cool the high-temperature dust flowing through the dust collection cylinder. When the water tank is low on water, the No. 1 cover can be opened to add water through the water inlet, ensuring a sufficient water supply. This mechanism utilizes the high-speed spraying of atomized water to cool the high-temperature dust, efficiently treating high-temperature dust at low cost, reducing environmental pollution, and ensuring that the cooled dust does not damage subsequent equipment, greatly improving the practicality of the device.