14results about How to "Improve combustion thermal efficiency" patented technology

The present application belongs to the technical field of internal combustion engine, and particularly relates to a kind of alcohol hydrogen fusion engine precombustion chamber system and its control method.Alcohol hydrogen fusion engine precombustion chamber system includes the engine main body with the main combustion chamber and precombustion chamber being communicated with each other, and also includes methanol supply unit, hydrogen production unit, hydrogen delivery control unit, exhaust gas recirculation unit and main control unit;Main control unit collects engine operating parameters and judges current working condition, and adjusts methanol supply path, hydrogen supply path, precombustion chamber working mode, hydrogen production unit heating mode and on-off state of exhaust gas recirculation unit according to working condition.The present application can realize engine full-condition combustion performance optimization without complex auxiliary device, and also considers cold start reliability, high and low load combustion stability and operation energy efficiency, to improve the whole machine operation reliability and transient response capability.

The utility model provides a gas cooking utensil with high temperature protection, which comprises a gas stove body and a countertop arranged on the top of the gas stove body, two burner components are arranged on the surface of the countertop, the outer sides of the two burner components are respectively covered with a supporting heat insulation table, an energy gathering ring is embedded in the center of the top of each supporting heat insulation table, and the energy gathering rings are arranged on the top of the gas stove body. The supporting heat insulation table of the hollow closed structure and the matched energy-gathering ring are designed in the energy-gathering type energy-saving stove to physically isolate flames from the outside in space, so that heat radiation of the flames to a kitchen is reduced, meanwhile, the bottom of a pot is supported at the top of the energy-gathering type energy-saving stove, the energy-gathering type energy-saving stove is convenient to use, and the energy-gathering type energy-saving stove is more energy-saving and environment-friendly. A liquid containing groove in the heat dissipation disc is used for adding a water source for heat dissipation, flames are not exposed during combustion, the flames cannot be seen from the front face basically, heat generated during combustion of the flames cannot be directly radiated, the temperature rise of a kitchen is further reduced, the heat insulation and energy gathering effects can be further improved, and the combustion heat efficiency is improved.

The utility model relates to a kind of gas stove head, including fire seat and first injection pipe, first gas cavity is equipped in fire seat, first gas cavity forms lower gas layer and upper gas layer along by lower to upper distribution, the position of fire seat corresponding lower gas layer is connected with first injection pipe, first injection pipe is communicated with first gas cavity by lower gas layer, lower gas layer and upper gas layer between are equipped with the flow guide surface for guiding airflow from lower gas layer into upper gas layer, the included angle a between flow guide surface and horizontal plane is formed, 85°≤a≤90°, by optimizing the structure of flow guide surface, relative increase the inclination angle between flow guide surface and horizontal plane, mixed gas is diffused in first gas cavity at relatively slow speed under the action of flow guide surface, it is favorable to make mixed gas more fully mixed, to improve the combustion heat efficiency of equipment, reduce the carbon monoxide content generated by combustion.

The utility model relates to the field of combustor discloses an electric flame heating device, including the shell body and be located in the shell body's steady flame disc, the middle position of steady flame disc sets up a first electric flame generator, and the periphery of steady flame disc is provided with a plurality of second electric flame generators around the distribution setting of first electric flame generator, the output end inboard of shell body is provided with a plurality of third electric flame generators around the circumferential direction distribution setting, and each third electric flame generator all is inwards inclined setting.

The utility model provides a kind of flameless infrared radiation combustion stove, and the combustion stove includes furnace body, grate tray and heat accumulator, furnace body is equipped with annular furnace cavity, built-in spiral flow guide passage, bottom is equipped with tangential air inlet, so that combustible gas rotates flow along spiral trajectory, realizes pressure balance by centrifugal force;Grate tray is located in the upper portion of furnace cavity, is equipped with grate hole, inserts straight cylinder shape gas outlet pipe, gas outlet pipe is placed combustion nozzle;Heat accumulator is placed above grate tray, is equipped with heat storage hole corresponding with grate hole, gas outlet pipe and combustion nozzle are inserted therein, and heat accumulator absorbs combustion heat energy and converts into infrared and radiates.The stove realizes pressure balance by the rotating flow of combustible gas in spiral flow guide passage, forms flameless combustion on the upper portion of combustion nozzle after entering gas outlet pipe through grate hole.The heat accumulator converts combustion heat energy into infrared radiation, and simultaneously combines heat conduction and heat convection, efficiently transfers heat energy to the object to be heated.

The invention discloses a boiler combustion intelligent optimization control system based on machine learning, and relates to the field of boiler combustion control, and the system comprises a collection module which is used for collecting fuel characteristics, hearth temperature, flue gas components, air supply amount and auxiliary machine operation parameters in a boiler combustion process, and recording the collected parameters; the extraction module is used for synchronously receiving the original acquisition parameters, preprocessing the parameters to extract core characteristic parameters representing the combustion state and standardizing the core characteristic parameters; according to the method, the future combustion state is predicted based on the time sequence coupling model, the combustion working condition can be comprehensively evaluated by combining the comprehensive evaluation index calculated by the multi-dimensional coefficient, the model continuously iteratively optimizes parameters through self-supervised learning, the combustion state is optimal and the adjustment action is milder through a dual-target optimization adjustment scheme, and the adjustment efficiency is improved. And the combustion heat efficiency and the operation stability of the boiler are greatly improved integrally.

The invention discloses a rotary detonation combustion chamber which comprises a gas and oil supply assembly, an injection assembly and a combustion chamber body. Wherein an annular channel is formed in the combustion chamber body, and the gas supply and oil supply assembly communicates with the gas supply system, can form high-speed airflow to enter the annular channel and communicates with the energy supply system and the injection assembly through the gas supply and oil supply system, so that fuel can enter the injection assembly through the gas supply and oil supply assembly; the high-speed airflow and the fuel jet flow can collide in the annular channel to be subjected to secondary atomization to form a combustible mixture, the combustion chamber body is provided with an igniter used for detonating the combustible mixture so as to form rotating detonation waves, and through the combustion mode of rotating detonation, the combustion efficiency is improved. By means of the self-pressurization structure, airflow expands and accelerates at the downstream of detonation waves and is exhausted from the tail of the combustion chamber in a high-temperature fuel gas mode, the heat efficiency of combustion can be improved through the self-pressurization characteristic of the self-pressurization structure, emission of pollutants such as NOx is reduced, and the self-pressurization structure is more compact.

The present invention belongs to the technical field of waste heat utilization of stoves, and specifically relates to a large pot stove for cooking. The present invention includes a frame and a furnace; the furnace includes a furnace wall and a furnace bottom; an outer shell whose shape is adapted to the shape of the furnace is provided outside the furnace, and there is an insulation space between the outer shell and the furnace for accommodating insulation materials; the large pot stove for cooking also includes a heat reflection plate, the heat reflection plate includes a cone plate with a trumpet-shaped shape with a larger diameter at the top and a smaller diameter at the bottom, the small-diameter end of the cone plate constitutes a matching end for the burner to extend into, and the large-diameter end of the cone plate is placed on the inner wall of the furnace wall from top to bottom, thereby dividing the furnace into an upper cavity and a lower cavity; a smoke inlet is opened through the surface of the cone plate, and a smoke exhaust pipe connected to the smoke inlet sequentially passes through the furnace and the outer shell. The present invention can effectively improve the combustion thermal efficiency of the stove, and greatly extend the actual service life of the furnace, and simultaneously has the characteristics of energy saving, long life and easy repair and maintenance.

The invention relates to the technical field of kitchen utensils, and discloses an energy-gathering pot rack, a gas cooker and a control method of the gas cooker. The energy-gathering pot rack comprises a support assembly, an upper energy-gathering ring, a lower energy-gathering ring and an outer energy-gathering ring, the upper energy-gathering ring, the lower energy-gathering ring and the outer energy-gathering ring are connected with the support assembly, the lower energy-gathering ring is arranged below the upper energy-gathering ring, a first flow channel is formed between the lower energy-gathering ring and the upper energy-gathering ring, the outer energy-gathering ring is annularly arranged on the outer side of the upper energy-gathering ring, and a second flow channel is formed between the outer energy-gathering ring and the upper energy-gathering ring; the highest point of the outer energy gathering ring is not lower than the highest point of the upper energy gathering ring, and the distance H between the two highest points is adjustable; and / or, the lower surface of the outer energy gathering ring obliquely extends upwards in the radial direction from outside to inside, and the included angle alpha between the lower surface and the horizontal plane is adjustable. According to the energy-gathering pot rack, secondary air can be smoothly supplemented, part of high-temperature flue gas flows back so that the heat efficiency can be improved, the inlet amount of the secondary air can be adjusted so that the secondary air can be matched with the current combustion state, and the combustion heat efficiency can be further improved.

The utility model relates to the technical field of valves, in particular to an air and gas combined mixing proportioning valve which is composed of a valve element, a sealing ring, a stroke stop lever, a valve body, a signal switch, a limiting stop lever and an operating handle. The valve body is provided with a gas inlet, an air inlet and a gas-air mixture outlet which are independent; the valve element is installed on the inner wall of the valve body, the limiting stop levers are fixedly installed at the left end of the valve body, the stroke stop lever is fixedly installed after the valve element penetrates through the valve body, the stroke stop lever is arranged between the two sets of limiting stop levers, and the operating handle is fixedly installed at the left end of the valve element. The valve body is provided with a fuel gas inlet, an air inlet and a fuel gas and air mixture outlet, the valve body and the valve element are formed through machining, the process is stable and accurate, the valve body and the valve element are assembled in an embedded mode and sealed through the sealing ring for leakage prevention, and the situation of gas leakage is avoided.

The utility model relates to the technical field of kiln combustion, in particular to a kiln gas premixing top-blowing combustion system which comprises a combustion nozzle, a gas-air mixer is assembled on the back of the combustion nozzle, a gas inlet bin is integrally arranged on the back of the gas-air mixer, and a gas-air mixed gas pipe is assembled and connected to the side edge of the gas inlet bin. The other end of the gas-air mixed gas pipe is connected with a gas-air proportional valve, the gas inlet end of the gas-air proportional valve is connected with an air inlet pipe and a gas inlet pipe, and a transmission rotating shaft is assembled in the gas inlet bin. According to the utility model, the premixed combustion technology is conveniently adopted in the modified kiln, so that the gas is fully mixed with enough air before combustion. In the combustion process, fuel is fully combusted, the generated flame is short, the temperature of an outlet of the combustor is uniform, and the dimensional accuracy of a fired product is improved. And in the aspect of environmental protection, fuel is completely combusted, generation of harmful gas is reduced, the combustion heat efficiency is improved, energy consumption is reduced, and emission of pollutants is reduced.

A gas supply channel is arranged in the middle of a gas supply seat, and a nozzle is arranged below the gas supply channel; the gas distribution disc is provided with a middle disc, a gas distribution channel and an outer ring groove seat; the middle disc is arranged above the gas supply channel at intervals, and the middle disc and the gas supply base are spaced to form a middle gas mixing cavity; the outer ring fire cover is placed on the outer ring groove seat, and an outer ring gas mixing cavity is defined by the outer ring fire cover and the outer ring groove seat; the gas distribution channel is communicated with the middle gas mixing cavity and the outer ring gas mixing cavity; an inner ring fire hole is formed outside the middle disc; the outer ring fire cover is provided with outer ring fire holes. The three-dimensional flow dividing design that the single nozzle is matched with the gas dividing channels is adopted, the limitation that a traditional single-nozzle combustor can only form single-ring flames is broken through, inner-ring independent flames and outer-ring independent flames are synchronously formed through cooperative gas supply of the middle gas mixing cavity and the outer-ring gas mixing cavity, and the combustion heat efficiency is remarkably improved while the structural compactness is kept.

The invention discloses an energy-saving lime kiln for producing printing ink calcium, which comprises a kiln body, feeding chambers are arranged on both sides of the kiln body, feeding mechanisms are arranged in the feeding chambers, a gas supply chamber is arranged below the kiln body, a gas supply pipeline is arranged in the gas supply chamber, a flue is arranged above the kiln body, and the flue is connected with a heat exchanger through a waste gas pipe. A hot air outlet pipe of the heat exchanger is respectively communicated with the feeding chamber and the air supply pipeline; a plurality of combustion fire grates which are distributed in a left-right and up-down staggered mode are arranged in the furnace body, blanking gaps are formed in the combustion fire grates, an inclined material guide plate is arranged between the upper combustion fire grate and the lower combustion fire grate, a combustion-supporting pipe is arranged between the left combustion fire grate and the right combustion fire grate, and air outlet branch pipes corresponding to the combustion fire grates respectively are arranged on the combustion-supporting pipe. The device has the characteristics that the raw material combustion sufficiency and uniformity are improved, and energy is saved.

The utility model relates to the technical field of water heaters, in particular to a gas heating water heater which can reduce carbon deposition on a heat exchange water jacket, maintain high combustion heat efficiency, save energy and improve heating effect. Comprising a boiler body, a combustion chamber, a combustor, a heat exchange water jacket and a smoke exhaust pipe, the adsorption hopper is installed in the combustion chamber, the adsorption hopper is in an inverted funnel shape and located above a combustion head of the combustor, the rotating shaft is rotationally installed in the combustion chamber, the impeller is arranged at the upper end of the rotating shaft and extends into the input end of the smoke exhaust pipe, the lower end of the rotating shaft extends into the adsorption hopper, and the bottom plate is arranged on the lower end of the rotating shaft. The upper side faces of the multiple scrapers make contact with the inner wall of the adsorption hopper in a scraping mode, and a bottom plate is arranged at the bottom of the combustion chamber.