4results about How to "Improve adsorption accuracy" patented technology

The invention discloses a throat cavity and subglottic secretion directional suction and removal device, and relates to the technical field of medical auxiliary instruments, the throat cavity and subglottic secretion directional suction and removal device comprises a negative pressure tube and a catheter, a plurality of positioning discs are arranged in an inner cavity of the catheter, first through holes and second through holes are formed in the positioning discs, the first through holes are matched with the negative pressure tube, and the second through holes are matched with the negative pressure tube; the four sets of second through holes are matched with the control ropes, one ends of the control ropes are connected with the control assembly, the other ends of the control ropes are connected with the control piece, and the control piece is fixedly connected with the negative pressure pipe. According to the directional suction and removal device for the throat cavity and the subglottic secretions, the angle of the suction opening in the lower end of the negative pressure pipe can be effectively controlled, and the suction precision is improved.

The utility model discloses a fine desulfurization device with desulfurization cooperating with carbon reduction, and relates to the technical field of full-dry blast furnace gas fine desulfurization. The system comprises a temperature adjusting device, adsorption towers, a downstream workshop section and a waste gas centralized treatment center, adsorption inlets in the bottoms of the multiple adsorption towers are all connected with the temperature adjusting device, and adsorption outlets in the tops of the adsorption towers are all connected with a clean blast furnace gas pipe network; the clean blast furnace gas pipe network is connected with regeneration inlets in the tops of the adsorption towers through the induced draft fan, the heat exchanger and the electric heater in sequence; regeneration outlets in the bottoms of the adsorption towers are connected with the waste gas centralized treatment center. The regeneration process flow is simple in design, the electric valves are arranged on the adsorption route and the analysis route of the adsorption towers, the adsorption towers are automatically and alternately switched for regeneration, the regeneration time can be adjusted and set according to actual conditions, and according to pollutant removal conditions, interlocking control is carried out to ensure that adsorption and regeneration of the adsorption towers are alternately carried out; online adsorption and online regeneration are realized, and the removal efficiency is ensured.

The invention relates to a preparation method of a hydrogen sulfide adsorbent, which comprises the following steps: 1) carrying out heat treatment on a mixed solution containing a silicon source, transition metal salt, concentrated hydrochloric acid, ethanol, an organic surfactant and water to form sol; (2) dropwise adding concentrated ammonia water into the sol obtained in the step (1) to form gel; and 3) drying and calcining the gel obtained in the step 2) to obtain the hydrogen sulfide adsorbent. The hydrogen sulfide adsorbent prepared by the method is good in moisture resistance, high in selectivity, high in precision and reproducible, sulfur-containing VOCs atmosphere is desulfurized in advance, high activity and stability of the catalyst are guaranteed, the requirement of a catalytic oxidation technology in degradation of VOCs in the coal chemical industry is met, and finally purification of VOCs-containing tail gas is better achieved.

The utility model discloses an integrated oil seal adsorption mechanism and oil seal trimmer, integrated oil seal adsorption mechanism includes adsorption rod and adsorption seat, is provided with adsorption hole on the adsorption surface of adsorption seat, is seted up in adsorption seat and has the air extraction channel, and the air extraction channel air extraction part is linked together, and the air extraction part is used to extract the air in the air extraction channel to be adsorbed on the adsorption surface through adsorption hole after the oil seal is trimmed, the center of the adsorption surface of adsorption seat is seted up and has the air hole, and the adsorption rod and adsorption seat are seted up and have the airflow channel, and the airflow channel is linked together with the gas supply part, and the gas supply part is used to extract the air in the airflow channel to be adsorbed through the air hole after the rubber filament of oil seal is trimmed, or the gas supply part is used to supply high pressure gas into the airflow channel to blow away through the air hole after the rubber filament of oil seal is trimmed. The integrated oil seal adsorption mechanism adopts integrated structure, and the overall structure is simple, which greatly reduces the occupied space.