16results about How to "Improve combustion performance" patented technology

A firewood-saving stove comprises a stove body, a stove pipe is arranged in the stove body, a plurality of gasification through holes are formed in the wall above the stove pipe, a fire grate and an ash box are sequentially arranged at the lower end of the stove pipe, and an integral stove bottom panel is arranged at the lower end of the stove body and used for sealing the stove body. Through holes with straight edges are formed in the left position, the right position and the rear position of the integral furnace bottom panel, and the through holes are communicated with a cavity between the furnace body and the furnace pipe; a baffle plate is arranged at the straight edge of the through hole and is used for limiting the ash box; a plurality of annular grooves are pressed in the center of the whole furnace bottom panel surrounded by the through holes, a plurality of annular cavities are formed between the annular grooves and the outer bottom face of an ash box placed on the whole furnace bottom panel, and a gap is reserved between the upper end of the ash box and the fire grate. According to the utility model, the integral furnace bottom panel is welded with the furnace body, so that the primary air inlet quantity flowing into the fire grate and the secondary air inlet quantity flowing above the furnace pipe can be more accurately and effectively controlled according to the opening and closing size of the ash box, the combustion is sufficient, the pollution to the environment is reduced, and the operation environment of cooking personnel is better.

This invention discloses a nicotine-resistant pectin lyase mutant and its application in tobacco leaf treatment. Using pectin lyase PL6 as the starting enzyme, this invention designs and optimizes mutation sites, designing single-site saturation mutations based on the two hydrogen bond formation sites between the enzyme and nicotine, Lys-107 and Asp-84, to construct mutants. The pectin lyase mutants D84A and K107R of this invention retain 83.63% and 81.30% of their enzyme activities at a 1% nicotine concentration, respectively. Spraying tobacco leaves with D84A and K107R enzyme solutions significantly improves tobacco leaf quality due to pectin degradation.

This invention discloses a graphene oxide / carbon nanotube-based coal combustion catalyst, its preparation method, and its applications, belonging to the field of catalytic combustion technology for efficient coal utilization. First, graphene oxide is used as a carrier, and then carbon nanotubes and manganese oxide are grown on its surface in a one-step process using condensation and redox reactions, followed by co-firing with coal. The graphene oxide / carbon nanotube-based combustion catalyst prepared by this invention effectively improves combustion efficiency, reduces the ignition temperature of coal, and lowers the reaction activation energy, resulting in significant economic benefits and broad application prospects.

This invention provides a biomass fuel and its preparation method, belonging to the field of waste utilization technology. This invention mixes different waste materials to prepare biomass raw materials, and simultaneously utilizes microbial strains to transform the organic flame retardants contained in the waste raw materials into new flammable agents through biochemical reactions. The prepared biomass fuel has high calorific value, low smoke and dust, and excellent combustion performance, making rational use of various waste materials, and is environmentally friendly, efficient, and energy-saving. The results of the embodiments show that the biomass fuel prepared by this invention has a calorific value of 35.6 MJ / kg, a calorific value of 4100 cal / g, a combustion efficiency of 99.1%, and low smoke and dust.

The invention relates to the technical field of sewage treatment and biological energy, and particularly discloses a method for converting sewage into biofuel for power generation. According to the method, a multi-factor synergistic system containing an inducing factor, a phagocytosis factor and a powdered sugar factor is generated through photosynthetic induction, the inducing factor destroys harmful microorganisms, the phagocytosis factor fixes radioactive substances, germs and viruses, and the powdered sugar factor serves as a carbon value locking precursor; organic pollutants are directionally converted into alcohol clean energy carriers by utilizing a multi-factor synergistic system, and meanwhile, fixed capture of the pollutants is completed; the carbon value is locked by a carbon value locking agent to generate a fixed carbon mixture, and the fixed carbon mixture is dehydrated and dried to obtain the high-purity biochar fuel. Unification of harmless treatment and energy utilization of the radioactive sewage is realized, and the limitation that the radioactive sewage cannot be treated in the traditional technology is broken through.

The utility model discloses a kind of coal powder boiler furnace combustion optimization device, it is related to coal powder boiler technical field, including arc clamping plate, hang installation monitoring unit and feeding control unit.The utility model has reliable hang installation monitoring unit, can install the device stably in the outside of boiler furnace, industrial camera obtains the image of furnace internal flame through high-temperature explosion-proof glass, monitoring computer is burned by analyzing the combustion condition and flame spectrum of flame, and then realize the real-time monitoring of the combustion condition in furnace, find digital basis to combustion diagnosis and optimization in combination with combustion related theory;And having reliable feeding control unit, controller is adjusted to the feeding speed of coal powder by the speed of motor one control, to adjust;Controller is adjusted to the spacing between two crushing rollers by hydraulic cylinder, and then control the crushing fineness and combustion effect of coal powder, to complete the adjustment optimization of furnace combustion condition.

The application discloses a cyclone combustion system of a wing wall furnace boiler, wherein the lower furnace, the main combustion area furnace and the upper furnace all comprise a front wall, a right side wall, a back wall and a left side wall; the front wall, the right side wall, the back wall and the left side wall of the main combustion area furnace are all provided with inclined wing walls between two adjacent sides; each of the four wing walls is provided with a wind distribution chamber; each of the four wind distribution chambers is provided with a burnout air device and two or more layers of cyclone pulverized coal burners from top to bottom; the axes of the burner nozzles of the cyclone pulverized coal burners of the same layer in the four wind distribution chambers are arranged in a diagonal line in pairs; and the cyclone pulverized coal burners of the same layer in the four wind distribution chambers are all connected with the same coal mill; the application can improve the self-stable combustion capacity, the uniformity of the airflow in the furnace and the flame fullness, avoid the flame brushing the wall, realize the good combustion air power flow field organization in the furnace, precisely control the smoke temperature deviation, ensure the safe operation of the large-capacity high-parameter boiler and better meet the high-index requirement of the new generation of coal power technology.

The utility model discloses a combined incense and candle bamboo stick core, which belongs to the technical field of incense and candle production, and comprises a plurality of bamboo canes, the bamboo canes are combined to form a cylindrical stick body, the center of the stick body is provided with a combustion hole, the bamboo canes are fixedly connected with one another, the surfaces of the bamboo canes are smooth surfaces, and the cross sections of the bamboo canes are semicircular or fan-shaped. According to the utility model, the rod body consists of a plurality of bamboo strips, so that when a certain single piece is bent under the influence of contraction, the plurality of pieces are mutually balanced, and the bending can be effectively avoided. Through the arrangement of the combustion holes, ventilation is facilitated when the incense or the candle is combusted, so that oxygen is sufficient.

The invention relates to a double heat accumulating type heating furnace and method for ammonia hydrogen-doped combustion, and belongs to the technical field of heat accumulating type heating furnaces. The double heat accumulating type heating furnace comprises a heat accumulating type combustor system, and a fuel channel / flue gas channel and an air channel / flue gas channel are symmetrically arranged on the two sides of a furnace body of the heating furnace; a first heat storage chamber filled with a fuel channel heat storage body is arranged in the fuel channel / flue gas channel, and a second heat storage chamber filled with an air channel heat storage body is arranged in the air channel / flue gas channel; the gas supply system is connected with the fuel channel / flue gas channel and the air channel / flue gas channel through a reversing system, and ammonia fuel and combustion-supporting air are alternately introduced into the gas supply system; the smoke exhaust system is connected with the fuel channel / smoke channel and the air channel / smoke channel through a reversing system and alternately exhausts smoke; and an ammonia decomposition catalyst layer is loaded in the first heat storage chamber. According to the invention, flue gas waste heat is utilized to drive ammonia gas to crack to produce hydrogen, stable combustion and low-nitrogen emission of ammonia-hydrogen mixed fuel are realized, and thus energy conservation and emission reduction of an industrial furnace are realized.

This utility model discloses a tangential combustion system for pulverized coal boilers suitable for low-volatile coal types. It includes a boiler body, an air preheater, a secondary air fan, a primary air fan, and multiple coal mills. Each coal mill outlet is connected to multiple pulverized coal pipes. All pulverized coal pipes are connected to pulverized coal burners on the boiler body. Each pulverized coal burner is equipped with a burner air box. The secondary air fan outlet is connected to the burner air box via the air preheater. The primary air fan outlet is divided into two paths: one path connects to the hot primary air duct after passing through the air preheater, and the other path directly connects to the inlet of the hot primary air duct. The hot primary air duct outlet is divided into two paths: one path directly connects to the inlet of each coal mill, and the other path connects to the pulverized coal pipe at the outlet of each coal mill via a bypass hot primary air duct. This utility model can significantly increase the initial temperature of pulverized coal entering the furnace, improving the ignition and stable combustion capabilities of low-volatile coal.

The invention provides a shell of a burner, the burner and a cooking device. The shell comprises a first cavity wall and a second cavity wall, and the first cavity wall is provided with a drainage opening; the second cavity wall and the first cavity wall are encircled to form an accommodating cavity with an opening; the distance between the second cavity wall and the plane where the opening is located is reduced in the first direction. The first direction points from the drainage opening to the second cavity wall. According to the shell provided by the invention, parts of the combustor can be reduced, and the structural complexity of the combustor is reduced.

The invention discloses an intelligent regulation and control system for fuel injection of a fuel engine, and relates to the technical field of electrical control of fuel injection of fuel engines. Comprising an engine operation parameter acquisition module, a real-time working condition intelligent identification module, an oil injection target parameter intelligent resolving module, a working condition self-adaption self-learning module, a fault diagnosis and safety protection module and a full-working-condition data storage module, the other modules are used for sequentially completing working condition recognition, oil injection parameter calculation, electric driving control, in-cylinder combustion monitoring, oil injection parameter closed-loop correction, working condition self-adaptive learning, fault safety protection and full-period data storage, oil injection process regulation and control are achieved through high-precision electric control, and all-working-condition oil saving and consumption reduction are achieved; the device can adapt to full-life-cycle performance change of the engine, guarantees operation safety and emission compliance, and reduces the operation and maintenance cost of equipment.

The application discloses a pure hydrogen and hydrogen-rich gas turbine burner and a use method thereof, and relates to the field of gas turbines, in particular to a pure hydrogen and hydrogen-rich gas turbine burner and a use method thereof.The burner comprises a nozzle, a nozzle integrated plate and a flame tube. The flame tube is provided with the nozzle integrated plate at one end. The nozzle integrated plate is provided with mounting holes matched with fuel nozzles. The mounting holes can be arranged in a ring shape, a sector shape, a circular shape and the like according to design requirements to realize flexible control of a target of the burner in stages and in zones. The nozzle is arranged in the mounting hole and used for spraying a fuel and air mixture into the flame tube. The burner has the advantages that: by reasonably arranging the nozzles and matching the flame tube, a target flame shape, an anchoring position, a flame temperature and a flame residence time are realized, stable combustion with low NOx emission, no tempering and no thermal acoustic oscillation is effectively realized, and the like. x

The present application relates to the technical field of combustion furnace, provide a kind of based on heat utilization's biomass particle combustion furnace, including the furnace body for particle combustion, the furnace body bottom is fixedly installed with left high right low grate by vertical plate, the grate and furnace body are formed with primary oxygen distribution chamber and secondary oxygen distribution chamber by partition, the furnace body is installed with the inclined guide plate near the right side of grate;It can be understood that, the equipment is by setting water pipe in the interlayer of furnace body and guide plate, and utilize the heat exchanger connected with oxygen distribution pipe to transfer the heat generated by furnace body to oxygen distribution position, to obtain high-temperature air to achieve better combustion.

The hollow spiral incense stick with a long burning time described in this utility model is characterized by comprising a hollow spiral incense stick body extending downwards in a spiral shape, a base connected to the lower end of the hollow spiral incense stick body, and an insert rod, the upper end of which extends into the base and the lower end of which extends out of the base. This utility model eliminates the need for breaking the incense sticks apart during use, reducing unnecessary waste of mosquito coils. It also boasts a long burning time, is safe to use, and the hollow structure effectively reduces drying time and the amount of bamboo sticks used, significantly lowering production costs.

The application provides a circular liquid film type atomizing nozzle and an aero-engine, which comprises a circular fuel channel section and a circular liquid film forming section which are coaxially connected in sequence from top to bottom, and an air channel is formed in the middle of the two; a fuel inlet is arranged on the circular fuel channel section in a circumferential direction, a circular fuel rectifying pool is arranged in the interior of the circular fuel channel section, and a fuel outlet is arranged at the bottom of the circular fuel channel section; the fuel inlet, the fuel rectifying pool and the fuel outlet are sequentially communicated and form a fuel channel, and liquid film is formed on a circular liquid film plate of the circular liquid film forming section after fuel flows out of the fuel outlet. The nozzle realizes uniform liquid outlet flow rate through a reasonable fuel supply channel, forms a liquid film through a liquid film channel, increases the contact area with air, and thus realizes better atomizing effect, and achieves the purpose of improving combustion efficiency. The application has the advantages of simple structure, good atomizing effect, uniform particle size distribution and suitability for aero-engine combustion chambers.