2results about How to "Reduce Methanol Content" patented technology

The utility model relates to alcohol hydrogen device technical field, and disclose a kind of water scrubbing tower energy-saving device for gasoline hydrogenation workshop, including upper tower body and lower tower body, the top of upper tower body is provided with filter assembly, and the inner wall of upper tower body is provided with multilayer high-efficiency wire mesh demister, the inner wall of upper tower body is provided with spray assembly.The water scrubbing tower energy-saving device for gasoline hydrogenation workshop is provided with gas outlet, filter box, mounting groove, filter screen frame, activated carbon filter screen, sealing ring and hydrogen outlet, by setting multilayer high-efficiency wire mesh demister in upper tower body top area, can better demist breakage, by being provided with activated carbon filter screen, residual methanol molecule in hydrogen can be adsorbed, reduce methanol content in hydrogen, improve water scrubbing tower top demethanol effect, effectively solve the problem that methanol hydrogen around methanol peculiar smell is big, improve workshop working environment.

The utility model discloses a system for recycling methanol in acid desorption flare gas, and belongs to the technical field of chemical engineering of low-temperature methanol washing devices. The system comprises a water washing tower, a main absorption tower, a CO2 desorption tower, a tail gas water washing tower, a methanol rectifying tower, a feed gas cooler and a gas-liquid separator which are connected with one another, a raw material gas feeding material pipeline is arranged at the side end of the middle part of the gas-liquid separator; a material flow pipeline used for discharging low-temperature purified raw material gas at the upper end of the main absorption tower, a material flow pipeline used for discharging low-temperature CO2 at the upper end of the CO2 desorption tower, a material flow pipeline used for discharging low-temperature tail gas at the upper end of the tail gas washing tower and a feed material pipeline of the raw material gas pass through the raw material gas cooler in parallel and are used for heat exchange to cool the raw material gas; by means of the improvement of the structural design, efficient recovery of methanol is guaranteed, and the safety and environmental protection problems of flare gas emission are solved.