7 results about "Nitrogen emission" patented technology

The utility model discloses a low-nitrogen emission structure of a combustion chamber of a natural gas boiler, which relates to the technical field of low-nitrogen emission and comprises a connecting pipe and a cleaning component. An opening is formed in the right side of the lower end of the circumferential surface of the connecting pipe, a discharging frame is fixed in the opening, a connecting flange ring is fixed to the right end of the circumferential surface of the connecting pipe, an adsorption assembly and a fixing assembly are installed at the left end of the interior of the connecting pipe, and the fixing assembly is matched with the adsorption assembly; a rotating assembly is mounted on the circumferential surface of the connecting pipe; the cleaning assembly comprises a fixing strip, a rotating shaft, connecting frames, a fixing strip and bristles, the fixing strip is fixed to the upper end of the interior of the connecting pipe, a rotating hole is formed in the lower side edge of the fixing strip, the rotating shaft is rotationally connected to the interior of the rotating hole, and the two corresponding connecting frames are fixed to the circumferential face of the rotating shaft; smoke can be filtered, nitrogen emission can be reduced, and the inner wall of the pipeline can be cleaned.

The utility model belongs to the technical field of steam generators with ultra-low nitrogen emission, and discloses a steam generator with ultra-low nitrogen emission, which comprises a base, a box body arranged at the top end of the base, a structural groove arranged on one side of the box body, a pair of protective doors hinged to the box body through hinges at the notch position of the structural groove, and a detection table arranged at the top end of the box body, a detection box is arranged at the top end of the detection table, a detection groove is formed in the top end of the detection box, a gas detector is arranged at the top end of the detection groove, and a pipeline is arranged in the detection groove. Through cooperative use of the gas detector, the detection groove and the detection box, flue gas discharged by the steam generator can be conveniently detected, it is effectively ensured that when ammonia escape occurs, related personnel can know and take corresponding solutions at the first time, and the environment is effectively protected; and through cooperative use of the solar photovoltaic panel, the power supply groove and the storage battery, electric power can be stably and effectively provided for the gas detector.

The application relates to the technical field of water quality treatment, in particular to an intelligent water quality treatment method and device. A target water quality image corresponding to a target sampling point in target water quality is acquired; the target water quality image is input into a preset water quality data determination model, and target water quality data corresponding to the target water quality is output; the target water quality image and the target water quality data are input into a preset nitrous oxide emission amount determination model, and the nitrous oxide emission amount corresponding to the target water quality is output; and based on the target water quality data and the nitrous oxide emission amount, a preset treatment measure corresponding to the target water quality is determined. The timeliness and accuracy of water quality treatment are improved.

The utility model relates to the technical field of carbon nitrogen emission monitoring, in particular to a dynamic monitoring device for non-point source carbon nitrogen emission, which comprises a supporting rod, a rotating table is rotatably connected to the top end of the supporting rod, a gas absorption tank is fixedly arranged in the middle of the rotating table, and a photoelectric detector is inserted into one end of the gas absorption tank. A tunable semiconductor laser is inserted into the other end of the gas absorption cell; compared with traditional dynamic monitoring equipment for non-point source carbon and nitrogen emission, according to the dynamic monitoring equipment for non-point source carbon and nitrogen emission, the filtering assembly is arranged at the end of the air pump according to requirements and comprises the mounting cylinder and the end cover, and air can be pumped into the mounting cylinder by starting the air pump; air is sequentially filtered through the grating net, the inner bag, the outer bag and the filter net and then conveyed into the first pipeline, the inner bag collides and rubs on the surfaces of the protruding blocks, and therefore dust accumulation on the surface of the inner bag is reduced, the stability of air circulation and filtering is improved, dust particles entering the first pipeline are reduced, pollution is reduced, and the precision of laser detection is improved.

The application discloses a long-life, low-nitrogen emission microwave plasma assisted ammonia burner system and method, which comprises a power supply, a microwave head, a circulator, a water load, a three-pin nail, a plasma ammonia burner, a short circuit piston, the plasma ammonia burner comprises a high-frequency igniter, a microwave plasma coupling cavity, a first-stage combustion reaction cavity, a second-stage combustion reaction cavity, a third-stage combustion reaction cavity and a tail gas emission collector. The application utilizes microwave plasma assisted combustion technology, ammonia staged combustion technology and low-nitrogen control technology to realize the long-life, low-nitrogen emission microwave plasma assisted ammonia combustion system, effectively improves ammonia combustion efficiency and reduces NOx emission generated by combustion, and is easy to enlarge to realize industrial production.

The utility model belongs to the technical field of gas water heaters, and particularly relates to a gas distributor for realizing low nitrogen emission and a gas water heater using the distributor. The gas distributor comprises a gas ejector pipe body, the body is provided with a plurality of paired first mounting holes and second mounting holes, and the first mounting holes and the second mounting holes are used for mounting rich flame nozzles and lean flame nozzles and are arranged at intervals in the direction of the body. In addition, a first fuel gas flow channel and a second fuel gas flow channel are arranged in the direction of the main body at intervals and correspondingly communicated with at least one pair of mounting holes, and the number of pairs of mounting holes communicated with at least one flow channel is smaller than four. An electromagnetic valve is installed at the fuel gas inlet and used for accurately controlling opening and closing of different flow channels. The low-nitrogen gas distributor not only achieves low-nitrogen emission, but also has the advantages of being simple in structure, easy to process and manufacture, accurate in gas distribution and the like.

The utility model belongs to the technical field of combustors, and particularly relates to a low-nitrogen-emission premixing type combustor structure which comprises a shell, an air inlet mechanism, an air adjusting mechanism, a combustion mechanism, a fire stabilizing mechanism, a premixing mechanism and a control cabinet. The air adjusting mechanism comprises an air adjusting driving assembly and an air adjusting assembly. The combustion mechanism comprises an ignition assembly and a combustion assembly. The premixing mechanism comprises a combustion chamber, a smoke mixing disc and a mixing disc fixing pipe. According to the pre-mixing type combustor structure with low nitrogen emission, through the design of the pre-mixing mechanism, fuel gas, air and part of smoke can be fully mixed before combustion, and combustion sufficiency is guaranteed; a combustion chamber, a flue gas mixing disc and a mixing disc fixing pipe in the premixing mechanism are matched with one another, so that flue gas can participate in mixing, the combustion temperature is effectively reduced, and generation of thermal nitrogen oxides is inhibited and reduced; the premixing mechanism is arranged at the combustion mechanism, a mixer does not need to be specially arranged for the combustor, and the size is reduced.