17results about How to "Improve combustion quality" patented technology

The utility model discloses a production system for synthesizing a humic acid zeolite-based slow-release ecological fertilizer from coal-based organic waste and fly ash waste. The system comprises a first unit, a second unit and a third unit, wherein the first unit is used for separating modified lignin similar to humic acid substances; the second unit is positioned at the downstream of the first unit and is used for converting the modified lignin of the first unit into artificial humic acid; the third unit is positioned at the downstream of the second unit and is used for catalyzing hydrothermal humification synthesis of the artificial humin; the fourth unit is positioned at the downstream of the third unit and is used for catalyzing hydrothermal carbonization; and a fifth unit upstream of the first unit for preparing an additive in the first unit and / or the third unit and / or the fourth unit. According to the utility model, links of feeding pretreatment of main solid waste raw materials of two coal electric boilers, processing production of the materials, loading of mineral nutrients, synthesis production of composite materials and the like are integrated into a continuous technological process of an integrated production line.

The invention relates to a method for reducing sludge blockage of a ship oil separator by marine biological fuel oil, which comprises the following steps: preparing a bacteriostatic agent into a bacteriostatic agent aqueous dispersion, coating the bacteriostatic agent aqueous dispersion in a storage container of the marine biological fuel oil, and directly storing the marine biological fuel oil after the inner wall of the storage container is dried. Compared with the prior art, the bacteriostatic agent is coated on the inner walls of the ship oil tank and the oil tank for storing the marine biological fuel oil, and is used for storing the marine biological fuel oil after being dried, and the bacteriostatic effect of the bacteriostatic agent on bacteria in the biological fuel oil is utilized; according to the marine biological fuel oil, an environment which is not beneficial to the survival of a mixture of bacteria, algae and molds is formed in the oil tank and the oil tank of the ship, the storage function of the oil tank and the oil tank of the ship is improved, the marine biological fuel oil is endowed with an antibacterial function, the shelf life of the marine biological fuel oil is effectively prolonged, the combustion quality of the biological fuel oil is improved, and the possibility of sludge blockage of an oil separator is reduced.

The invention discloses a high-water-content lignite moisture accurate regulation and control method and device, and relates to the technical field of lignite treatment device.The high-water-content lignite moisture accurate regulation and control device comprises a rack and further comprises a crushing mechanism connected to the rack, and the input end of the crushing mechanism communicates with a feeding port; the input end of the vacuum dehydration system is communicated with the output end of the crushing mechanism; the input end of the feeding mechanism is communicated with the output end of the vacuum dehydration system; and the input end of the upgrading mechanism communicates with the output end of the feeding mechanism. High-water-content lignite is crushed through the crushing mechanism, water and pulverized coal are separated and collected through the vacuum dehydration system, and ash which affects heat production and pollutes the environment in the pulverized coal is removed through the quality improving mechanism, so that the combustion quality of the lignite powder is improved, and emission of pollutants is reduced; and conveying of the pulverized coal and adding of the corresponding water content are continuously performed through the scraper conveying belt, so that the influence of water and ash in the lignite with the high water content is reduced, and the water in the lignite is accurately regulated and controlled.

The utility model provides a hydrogen-doped pulverized coal mixed combustion device and a hydrogen-doped pulverized coal mixed combustion system. The hydrogen-doped pulverized coal mixed combustion device comprises a hydrogen distribution device, a pulverized coal conveying device, a fuel mixing device and a combustion device, the hydrogen distribution device and the pulverized coal conveying device are arranged in parallel, and an inlet of the hydrogen distribution device and an inlet of the pulverized coal conveying device are communicated with a hydrogen storage tank and a pulverized coal storage bin through pipelines respectively. Outlets of the hydrogen distribution device and the pulverized coal conveying device communicate with the fuel mixing device through pipelines so that hydrogen and pulverized coal can be mixed to form a gas-solid mixture, and the combustion device combusts the gas-solid mixture. According to the hydrogen-doped pulverized coal mixed combustion device, hydrogen and traditional energy are combined and utilized in the industry, and in the combustion process of the hydrogen-doped pulverized coal, emission of pollutants can be reduced, and sustainable low-carbon development of economy is promoted.

The utility model discloses a low-pressure oxygen enrichment device for a hot air sintering system. The low-pressure oxygen enrichment device for the hot air sintering system comprises an oxygen pipeline, a gas pipeline and a sintering ignition furnace. The oxygen pipeline comprises an oxygen generator, an oxygen mixer and an air blower, the oxygen mixer is provided with an air inlet, an oxygen inlet and an oxygen-enriched mixed gas outlet, the oxygen inlet is communicated with the oxygen generator, the oxygen-enriched mixed gas outlet is communicated with the air blower, and the sintering ignition furnace is communicated with the air blower and the gas pipeline. The oxygen generator conveys prepared low-pressure oxygen to the oxygen mixer for oxygen enrichment, oxygen-enriched mixed gas is conveyed into the sintering ignition furnace, and the sintering ignition furnace is located above the material level of a sintering machine of the hot air sintering system. The device can improve the oxygen enrichment rate of a sintering hot air system, realizes smooth ignition of low-heating-value coal gas in the ignition furnace, effectively improves the combustion efficiency of the sintering system and the quality of sintered ore products, solves the problem of energy level and grade waste of an existing oxygen enrichment mode, and reduces the sintering oxygen enrichment cost and energy consumption.

The invention provides a coal-fired boiler ammonia-doped combustion compatible matching system based on radiation characteristic compensation, which relates to the technical field of boiler combustion and comprises an ammonia-doped combustion operation characteristic database construction module, a real-time operation optimization module and a performance evaluation and self-optimization module. According to the method, the ammonia-doped combustion operation characteristic database is constructed, then whether the boiler performance parameters are recorded or not is judged based on the key boiler parameters, and ammonia-doped strategy dynamic adjustment and wall temperature safety regulation and control are carried out based on the ammonia-doped combustion operation characteristic database and the boiler performance parameters. Finally, when the fuel enters the coal-fired boiler, the mixing condition of ammonia and coal is evaluated, whether the fuel mixing strategy is optimized or not is judged, meanwhile, the oxygen content condition of the coal-fired boiler is monitored and adjusted, the position of high-temperature flames in the boiler is adjusted and controlled through flexible grading of the ammonia / coal fuel, matching of heat transfer distribution in the boiler and the coal-fired working condition is achieved, and the coal-fired boiler is obtained. The ammonia-doped combustion compatibility matching effectiveness of the coal-fired boiler is improved, and the problem that the ammonia-doped combustion compatibility matching effectiveness of the coal-fired boiler is low is solved.

The application provides an oxygen-enriched combustion heating system and a pipe diameter design method thereof, and relates to the technical field of heating furnace combustion. The system comprises a heating furnace, a mixing pipeline and an ignition head. The input end of the mixing pipeline is connected with the oxygen-enriched air, the output end of the mixing pipeline is communicated with the input end of the ignition head, the output end of the ignition head penetrates through the furnace wall of the heating furnace and is communicated with the inside of the heating furnace, the mixing pipeline comprises a straight pipe part and a variable diameter part, the variable diameter part is located between the two straight pipe parts and is communicated with the two straight pipe parts, the variable diameter part comprises a variable small part, a thin pipe part and a variable large part in sequence along the gas flow direction, the variable small part gradually decreases in diameter along the gas flow direction, the thin pipe part and the variable small part have the same diameter at the smallest end, one end of the thin pipe part away from the variable small part is communicated with the variable large part, the variable large part gradually increases in diameter, the middle part of the thin pipe part is communicated with a gas supply pipeline, and the combustible gas is filled in the gas supply pipeline. The system can uniformly mix the oxygen-enriched air and the combustible gas, so that the combustion efficiency and quality can be improved.

The invention discloses a control method of a gas water heater, the gas water heater and a storage medium. The gas system of the gas water heater is provided with an ultrasonic detection module, and the method comprises the following steps: acquiring gas detection data detected by the ultrasonic detection module; determining a gas heat value according to the gas detection data; and the gas water heater is controlled to operate according to the gas heat value, so that the air-fuel ratio of the gas water heater reaches a set proportion. The invention aims to improve the combustion quality of the gas water heater.

The present invention discloses a uniform feeding device for biomass raw materials, including a combustion device and a loading device installed on one side of the combustion device, a device shell is fixedly installed on the upper side of the combustion device, a feed inlet pipe is fixedly installed on the upper side of the center of the device shell, a sub-screen plate is installed on the upper side of the combustion device, a fixed base is fixedly installed in the center of the sub-screen plate, a rotatably connected distribution drum is arranged between the fixed base and the feed inlet pipe, a plurality of hot air fan blades are evenly installed on the circumference of the distribution drum, a plurality of discharge rectangular tubes evenly fixed on the circumference of the distribution drum are arranged on the lower side of the hot air fan blades, and two fan plates are arranged at the lower end of the distribution drum. The present invention enables the loading device to evenly pour the biomass fuel into the combustion device, so that the biomass fuel burns more thoroughly and fully, and the combustion effect and quality of the combustion device are higher.

The utility model discloses sludge drying equipment for environmental pollution abatement, and relates to the technical field of sludge drying. The sludge drying equipment for environmental pollution treatment comprises a feeding box body and a screening and cleaning mechanism, a screening box is arranged in the feeding box body and divided into an upper part and a lower part, the rear sides of the upper part and the lower part of the screening box are installed in a hinged mode, leakage holes are formed in the outer wall of the screening box, and a drying box body is arranged below the feeding box body; four sets of connecting rods are arranged in the drying box body, and a feeding pipe is rotationally installed on one side of the feeding box body. And the screening and cleaning mechanism is arranged on the feeding box body. Through cooperative use of the screening and cleaning mechanism, leakage holes formed in a screening box can screen out sludge, solid waste in the sludge is reserved in the screening box, the situation that waste appears in the following dried sludge is reduced, the subsequent sludge combustion quality is improved, harmful gas generated during sludge combustion is reduced, and the environment is protected.

The utility model discloses a furnace arch and fire grate combined type efficient incinerator which comprises a fire grate main body and a hearth installed on the top of the fire grate main body, a furnace arch main body is installed on the inner wall of the hearth and located on the top of the fire grate main body, a feeding cavity is formed in the hearth, a driving motor is fixedly installed on the front face of the hearth, and a discharging cavity is formed in the front face of the driving motor. And an output shaft of the driving motor penetrates through the hearth and extends into the feeding cavity. According to the utility model, the feeding cavity and the rotating synchronous plate are arranged to seal the feeding cavity, the furnace arch main body is matched to reduce heat loss and improve the combustion efficiency of garbage, and meanwhile, the synchronous plate can directly guide the garbage to the top of the fire grate main body for combustion when the garbage is added, so that the combustion quality is equivalently and orderly improved; and meanwhile, a self-cleaning filtering baffle is arranged in the flue, so that impurities can be prevented from being discharged, and a heat exchange water pipe is arranged at the tail end of the smoke pipe, so that heat of discharged smoke is recycled.

The embodiment of the present application provides a combined feeding device for a power plant, which relates to the technical field of feeding devices. A combined feeding device for a power plant includes: a feeding mechanism, a driving and adjusting mechanism, the driving and adjusting mechanism is located at the lower end of the middle part of the feeding mechanism, and a dust raising mechanism is located at the front end of the driving and adjusting mechanism. The driving and adjusting mechanism controls the feeding height of the feeding mechanism, and the driving and adjusting mechanism controls the dust raising height of the dust raising mechanism. The feeding mechanism transports the material to the inside of the dust raising mechanism, and the higher the lifting height of the feeding mechanism. By increasing the time that the coal blocks are inside the dust box, the coal blocks are vibrated and lifted inside the dust box, and the number of air intake ports opened is automatically adjusted to adsorb the dust, thereby achieving efficient and energy-saving dust adsorption work, effectively reducing the dust content in the coal blocks, and greatly improving the combustion efficiency of the coal blocks during power generation.

The utility model discloses a coke oven gas low-nitrogen combustor which comprises a combustor body, a hearth is arranged in the combustor body, an air inducing assembly is correspondingly arranged on the left side of the combustor body, and a combustor assembly communicated with the air inducing assembly is correspondingly arranged on the left side of the air inducing assembly. A tertiary air inducing pipe and a secondary air inducing pipe are arranged on the air inducing assembly; an igniter is arranged in the combustor assembly, a fuel gas leading-in pipe is correspondingly arranged on the shell, and a primary air leading-in pipe is further arranged on the combustor assembly. According to the device, primary inlet air, secondary inlet air and tertiary inlet air are arranged in the gas inlet and ignition stages, and are fully mixed and ignited in the air inducing assembly, so that the combustion efficiency and quality are improved; according to the device, the over-fire air ring and the over-fire air pipe for air inlet are arranged in the hearth, over-fire air can be introduced for air supplementation in the combustion stage in the hearth, the uniformity of combustion air and fuel distribution is guaranteed, and fuel gas and main combustion air are fully mixed and fully combusted.

The invention discloses a safety verification system of an industrial controller, which relates to the technical field of safety verification and comprises an internal parameter setting module, an external furnace equipment monitoring module and a safety evaluation control module. In the in-furnace parameter setting module, the parameters of the safety verification system of the in-furnace equipment of the steel industry controller are set through a human-computer interface, the operation safety coincidence index of the in-furnace equipment of the steel industry controller is analyzed, the combustion quality is improved, the occurrence rate of safety problems in the combustion process is reduced, the explosion risk is further reduced, and the safety of the in-furnace equipment of the steel industry controller is improved. And generation of harmful gas and pollutants is avoided. In the out-of-furnace equipment monitoring module, the operation safety coincidence index of out-of-furnace equipment of the steel industry controller is analyzed, the material supply standard of the out-of-furnace equipment of the steel industry controller is improved, the production efficiency and environmental safety of the out-of-furnace equipment of the steel industry controller are enhanced, the combustion efficiency is further improved, the production cost is reduced, and the product quality is improved. And the operation safety of an enterprise is consolidated.

The application provides an engine air intake unit structure, an air intake assembly structure and an engine. The engine air intake unit structure comprises an air intake header and a methanol injector. The air intake header comprises an air intake pipe section with open ends and a mixing pipe section in communication with the air intake pipe section. The air intake pipe section extends along a first direction, and the mixing pipe section extends along a second direction. The first direction is perpendicular to the second direction. An end of the mixing pipe section away from the air intake pipe section is used to be in butt joint with an engine cylinder head. At least two injection positions are arranged on the mixing pipe section. The methanol injectors are arranged at the injection positions. Multiple methanol injectors inject methanol into the mixing pipe section. The injection directions of the multiple methanol injectors intersect with each other in a plane perpendicular to the second direction. The technical scheme of the application integrates the methanol injectors and the air intake header into an independent unit module, avoids direct corrosion of the methanol on the cylinder head, reduces the difficulty of improvement of the cylinder head, prolongs the mixing path of the methanol and air, and improves the uniformity and optimizes the combustion by cooperating with the cross injection of the methanol injectors.

The present invention relates to a flue gas recirculation system for a low-nitrogen boiler, comprising a fan, a burner, a boiler, and an economizer. The air inlet of the fan is connected to a mixing cylinder, and a flue gas circulation pipeline is provided on the flue gas outlet pipeline of the boiler, and the flue gas circulation pipeline is connected to the mixing cylinder; a flow regulating mechanism is provided on the flue gas circulation pipeline; the flow regulating mechanism comprises a rotating shaft on the central axis parallel to the cross section of the flue gas circulation pipeline, a baffle matching the cross section of the flue gas circulation pipeline, and a servo motor controlling the axial rotation of the rotating shaft; the two ends of the rotating shaft pass through two circular holes corresponding to two positions on the pipe wall of the flue gas circulation pipeline, and the baffle is placed inside the flue gas circulation pipeline. Compared with the prior art, the present invention has the advantages of accurate and convenient adjustment of the flue gas circulation volume and effective reduction of nitrogen oxide emission values.

The utility model discloses a low-nitrogen water-cooling burner nozzle structure which comprises a mounting seat, the inner wall of the mounting seat is fixedly connected with a base, the right side of the base is provided with a water-cooling jacket, the outer surface of the water-cooling jacket is fixedly connected with a mounting flange, and the outer surface of the mounting flange is in threaded connection with a group of positioning pins. According to the device, the material storage box is matched with the fuel conveying pipe and the nozzle body, fuel gas can be fed into the nozzle body, air can be fed into the nozzle body at the same time through the air reducing sleeve, preliminary mixing is achieved under the cooling effect of the flow guide groove and the water cooling sleeve in the nozzle body, the combustion stability and the combustion quality can be improved, and the service life of the nozzle is prolonged. Meanwhile, the nozzle can be protected through the flow guide groove and the water cooling sleeve arranged in the nozzle body, damage of high-temperature fuel gas to the nozzle can be reduced, mixed gas can be ignited through the igniter, combustion can be conducted through an outlet of the nozzle body, and the combustion speed and the combustion efficiency can be improved.