58results about How to "Burn evenly and fully" patented technology

The invention discloses a lean oil multipoint direct injection head for a low-pollution combustion chamber of a gas turbine. The lean oil multipoint direct injection head is composed of multiple swirl nozzle molds of the same structure. A secondary combustion stage is composed of a swirl nozzle mold located in the center and three swirl nozzle molds circumferentially and evenly distributed along the center swirl nozzle mold at equal distance. A primary combustion stage is composed of swirl nozzle molds alternate with the three swirl nozzle molds of the secondary combustion stage. The primary combustion stage and the secondary combustion stage can be independently controlled, and it is guaranteed that the combustion chamber can stably work in a wide working state. A lean oil direct injection combustion technology is adopted, a nozzle outlet is flushed with a swirl flow air outlet, the nozzle molds work in a non-premixed combustion manner, the phenomena of spontaneous combustion and tempering can be avoided, and the risk of oscillating combustion is reduced. The working equivalence ratio of the nozzle molds ranges from 0.6 to 0.8, it is guaranteed that the temperature of a combustion area is low and combustion is stable, and generated thermal nitric oxide is effectively reduced. Pollutant emissions are few, and the lean oil multipoint direct injection head is simple in structure and suitable for the low-pollution combustion chamber of the gas turbine.

The invention discloses a multipoint direct injection head structure for a low-pollution combustion chamber of a gas turbine. Multiple secondary combustion stage swirl nozzle molds and primary combustion stage swirl nozzle molds of the same structure are adopted for being evenly distributed and fixedly connected in the circumferential direction of the center of a combustion chamber head flange, and the primary combustion stage swirl nozzle molds are located on the periphery of the secondary combustion stage swirl nozzle molds in the circumferential direction. An air flow path of the swirl nozzle molds is formed by an air inlet, a swirl flow channel, an annular swirl flow air straight channel, an annular swirl flow air convergence channel and a swirl flow air outlet, and speed distribution with the inner side lower than the outer side in the radial direction is formed at the swirl flow air outlet. A fuel oil flow path is formed by a fuel oil inlet, a nozzle and a nozzle outlet. The nozzle outlet is flushed with the swirl flow air outlet, the nozzle molds work in a non-premixed combustion manner, the phenomena of spontaneous combustion and tempering are avoided, and the risk of oscillating combustion is reduced. The temperature of a combustion area is low, combustion is stable, and generated thermal nitric oxide is effectively reduced. Pollutant emissions are few, and the multipoint direct injection head structure is suitable for the low-pollution combustion chamber of the gas turbine.

The invention relates to a smokeless barbeque oven with an efficient and environment-friendly function. The smokeless barbeque oven comprises an oven body, a bottom support, a slide rail, a charcoal groove, an oil connecting groove, an air blower and an oven side cover. The oven body is formed by welding metal sheets, a refractory material fits the inner side, and a heat preservation layer is sandwiched between the refractory material and the metal outer wall. The charcoal groove and the oil connecting groove are formed in the slide rail and are similar to drawers, the charcoal groove is conveniently taken out for replacing charcoal, an air channel is located below the charcoal groove, the air blower is connected to the lower portion of the air channel, and multiple small holes are formedin the upper portion of the air channel to solve the problems that the burning velocity of the charcoal is inconstant and heat of a barbeque operating opening is not uniform when the wind distributionis not uniform during barbequing. The bottom support is located below the barbeque oven, and universal walking wheels with brakes are arranged at the bottom of the bottom support. The smokeless barbeque oven facilitates ignition, charcoal ashes do not easily rise, the smokeless barbeque oven is hygienic, the device of the air channel makes the charcoal more uniformly burned, and the charcoal utilization rate is high.

The invention discloses an electronic cigarette controller based on a direct-current low-voltage electromagnetic heating technology. The electronic cigarette controller based on the direct-current low-voltage electromagnetic heating technology includes a CPU, a power supply, an LC vibration high-power heating circuit and a comparison circuit; the LC vibration high-power heating circuit includes acapacitor C10, a capacitor C11, an inductor L1 and an external heating coil, wherein the inductor L1 is connected with the capacitor C10, the capacitor C11 and a resistor R1 in the comparison circuit;one end of the capacitor C10 is connected with the inductor L1, the capacitor C11 and the resistor R1 in the comparison circuit; one end of the capacitor C11 is connected with the inductor L1, the capacitor C10, a connector P3 and the resistor R1 in the comparison circuit, and the other end of the capacitor C11 is connected with the drain electrode of an MOS tube Q1 of a drive circuit, a connector P4 and a resistor R4 in the comparison circuit; the external heating coil is connected to the connector P3 and the connector P4 separately. According to the electronic cigarette controller based onthe direct-current low-voltage electromagnetic heating technology, the direct-current power supply is adopted, IH heating is adopted to control output, and therefore a heater warms rapidly and heats uniformly.

The invention discloses a biomass gasification burner. The biomass gasification burner comprises a furnace; a movable grate in the furnace divides the furnace into a furnace chamber and an ash chamber; the upper side of the furnace is provided with a feeding device and burner ports; the furnace chamber comprises an inner liner and an outer liner; a gap a is reserved between the inner liner and the outer liner; the burner port is communicated with the inner liner; the outer liner is welded with two layers of burner ports with similar structures in clearance fit; the feeding device has an inner layer structure and an outer layer structure; a gap b is reserved between the inner layer structure and the outer layer structure; the gap b is communicated with a feeding device passage through a guide hole; the inner layer structure is communicated with the inner liner; the outer layer structure is fixedly welded to the outer wall of the outer liner; the gap b is not communicated with the gap a; the biomass gasification burner also comprises a primary fan and a secondary fan; the primary fan is communicated with the feeding device passage and the ash chamber through a pipeline; and the secondary fan is communicated with the gap a and the gap b through a pipeline. The biomass gasification burner is reasonable in structure, large in power, sufficient in combustion, high in heat efficiency, low in emission, convenient to installat, small in occupied space and low in operation cost.

The invention discloses a whole-leaf cigar rolling method which adopts steps that: three to five cigar leaves are overlapped with each other, one part of the lower positioned cigar leaf is covered by the upper positioned cigar leaf, a part of the upper positioned cigar leaf is exposed, and all the cigar leaves are moved backwards in the same direction from bottom to upper; the cigar leaves are folded symmetrically from the center of the overlapping part along the direction of the backward movement of the parallel cigar and are then rolled tightly from a folded part along the same direction, thus, a cigar is formed. The cigar production through the method of the present invention does not require the conformity of the cigarette leaves in quality, and the cigar which is produced by rolling is exquisite, beautiful in the cross section and even and complete during the burning.

The invention discloses a far infrared heat-pipe steam-water dual-purpose heating furnace, pertaining to the field of heat energy. The far infrared heat-pipe steam-water dual-purpose heating furnace comprises a clinker chamber (1), a coal charging gate (2), a secondary blast pipe, a tuyere (3), an inner boiler drum (4), an external boiler drum (5), a furnace discharging pipe, a collecting box (6), a horizontal water-cycle pipe (7), a deformed high-temperature heat pipe (8), a steam collecting and distributing cylinder (9), a main steam-supply pipe, a flue-gas tube (11), a heat-pipe preheating water tank (12), a dust-preventing deformed moderate-temperature heat pipe (13), a dust cleaning door, a blow-off pipe (15), a far infrared high-temperature radiation energy-saving dope (16), an electrode drum, a fluid level gage (17), a short-water alarming electrode (18), an electromagnetic float switch (19), a water-replenishing pipe (20) and a blower (21). The secondary blast pipe and tuyere (3) are arranged above the coal charging gate (2); the deformed high-temperature heat pipe (8) is arranged in the furnace; the heat-pipe preheating water tank (12) and the dust-preventing deformed moderate-temperature heat pipe (13) are arranged at a flue-gas outlet; the far infrared high-temperature radiation energy-saving dope (16) is coated on the metal surfaces of the inner boiler drum (4), the furnace discharging pipe and collecting box (6), the horizontal water-cycle pipe (7), the deformed high-temperature heat pipe (8), the heat-pipe preheating water tank (12) and the dust-preventing deformed moderate-temperature heat pipe (13). The deformed high-temperature heat pipe (8) arranged in the furnace reclaims the high temperature flue gas produced during burning into the furnace. The heat-pipe preheating water tank (12) and the dust-preventing deformed moderate-temperature heat pipe (13) arranged at the flue-gas outlet jointly prevent dust and flue-gas from transgressing.

The invention discloses a biomass semi-gasification furnace comprising a burner, a vaporizing chamber, a filling mouth, a flame bridge, an ash receiving and ventilating chamber, a secondary air inlet channel, a panel fire surrounding cover and a flue, a circumference space, an insulating layer, a fireproof ring, an air blower mouth and the like. The invention prefabricates accessories, such as the burner, the vaporizing chamber, the panel fire surrounding cover, the flue, the filling mouth, the secondary air inlet channel, the flame bridge and the like which have different specifications and are matched as well as prefabricates square or round metal furnace periphery or cooking bench periphery built by bricks and mud; all accessories are connected, and the insulating layer is built by fire clay. The invention eliminates a dead space formed on the joint of the burner and the vaporizing chamber and increases the flammable gas rising flowability; secondary air inlet is high-temperature wind so as to greatly improve combustion-supporting efficiency; third air inlet supplements the insufficiency of secondary supply air rate when fuel with a higher gas production rate is burnt, so that biomass raw material can be more evenly and completely burnt. The accessory of the product of the invention can be produced in a standardized and industrialized mode, thus lowering cost and bringing convenience for popularizing products.

The invention discloses a screening type coal feeding system, which comprises a coal feeding bunker, an outlet of the coal feeding bunker is provided with a flapper valve, a conveyor belt device is arranged under the coal feeding bunker, and a drying oven is arranged at the end of the conveyor belt device. Dry furnace, the middle part of the conveyor belt device is provided with a stopper device, the stopper device includes a support frame connected to the conveyor belt device, a chute is provided inside the support frame, and a baffle plate is provided in the chute , the side of the baffle is provided with a number of through holes from above, the support frame is also provided with connecting holes, the connecting holes and the through holes are connected by connecting rods, and a lifting column is also arranged on the baffle; A screening device is also provided below the coal bunker, and the screening device includes a fixed frame, a vibrating motor is arranged on the fixed frame, a fixed frame is arranged on the fixed frame, and a coal sieve is detachably arranged on the fixed frame. The system has a simple structure, and can evenly and quickly add coal into the drying furnace, and the combustion is fully uniform, and at the same time, large coal blocks can be screened out.

The invention discloses a biomass semi-gasification furnace comprising a burner, a vaporizing chamber, a filling mouth, a flame bridge, an ash receiving and ventilating chamber, a secondary air inlet channel, a panel fire surrounding cover and a flue, a circumference space, an insulating layer, a fireproof ring, an air blower mouth and the like. The invention prefabricates accessories, such as the burner, the vaporizing chamber, the panel fire surrounding cover, the flue, the filling mouth, the secondary air inlet channel, the flame bridge and the like which have different specifications and are matched as well as prefabricates square or round metal furnace periphery or cooking bench periphery built by bricks and mud; all accessories are connected, and the insulating layer is built by fire clay. The invention eliminates a dead space formed on the joint of the burner and the vaporizing chamber and increases the flammable gas rising flowability; secondary air inlet is high-temperature wind so as to greatly improve combustion-supporting efficiency; third air inlet supplements the insufficiency of secondary supply air rate when fuel with a higher gas production rate is burnt, so that biomass raw material can be more evenly and completely burnt. The accessory of the product of the invention can be produced in a standardized and industrialized mode, thus lowering cost and bringing convenience for popularizing products.

The invention relates to an incinerator dynamic turbulent flow rotational flow device and a working method thereof. The incinerator dynamic turbulent flow rotational flow device comprises a self-rotating incinerator, wherein a plurality of annular shells are arranged on the periphery of the incinerator in the axial direction in a sleeving manner; a plurality of air inlets are formed in the circumferential part of the incinerator body at intervals, and the annular shells are positioned at the circumferential part of the incinerator body; arc-shaped air distribution pipes positioned below the incinerator are arranged in the annular shells; a plurality of air inlets are formed in the upper sides of the air distribution pipes at intervals; an ox horn shaped air inlet guide shell is arranged at each air inlet in each annular shell; the smaller ends of the air inlet guide shells are in butt joint with the air inlets; and the air inlet direction of the air inlet guide shells is opposite to the rotating direction of the incinerator. The incinerator dynamic turbulent flow rotational flow device is simple in structure and reasonable in design; the air is blown in the hearth of the incinerator through the air inlets in the circumferential part of the incinerator body to feed oxygen turbulence, so that sufficient oxygen supply and complete mixing are ensured; and in addition, the wind blown into the incinerator can form a rotational flow, so that the air can be uniformly distributed, uniform and sufficient combustion can be ensured, and emission of primary pollutant is chocked.

The invention relates to a hot-blast recuperative furnace of a biomass generating system, and belongs to the technical field of a heat exchange device. A cylindrical kettle body of the recuperative furnace is arranged horizontally, wherein a burning opening is arranged in the center of one end of the recuperative furnace, and a chimney section with a hot blast outlet is extended upwards on the other end of the recuperative furnace; a heat exchanger stretching into the cylindrical kettle body from top to bottom is inserted into the chimney section; the heat exchange section of the heat exchanger is U-shaped, and the two ports on the upper part of the heat exchanger are respectively communicated with a heat exchange medium inlet and a heat exchange medium outlet which are exposed outside the chimney section; a group of air distribution openings passing through the cylindrical kettle body are distributed at the periphery of the burning opening; outlets on the inner ends of the air distribution openings are tangentially distributed along a heat-insulating wall of the cylindrical kettle body, and a preset helical angle is formed in the direction of the outlets. The outlets on the innerends of the air opening are provided with the helical angle along the heat-insulating wall, so that air can be sufficiently and uniformly mixed with flue gas to realize the ideal combustion-supporting function to lead the burning more sufficient, and realize the function of steadying the flame in the center at the same time. In addition, the flame and the heat-insulating wall of the cylindrical kettle body are separated, so the heat-insulating effect is enhanced and the heat-insulating wall is prevented from being corroded at high temperature.

The present application relates to the field of burners, and in particular, to a combined device and a control method for realizing low-nitrogen short flame combustion of diesel burners. The combined device includes an adjustment device, a combustion cylinder, an end cylinder, a double swirl flame stabilization disc, a nozzle and an ignition assembly. The end cylinder is fixed at the front end of the combustion cylinder, the double swirl flame stabilization disc is fixed inside the front end of the combustion cylinder, and the adjustment device is installed in the combustion cylinder. Inside the middle section of the barrel, the nozzle is fixed inside the middle section of the combustion barrel, and the adjusting device, the combustion barrel, the end barrel, the double swirl flame stabilization disc and the nozzle are all coaxial. The application changes the combustion air distribution ratio, strengthens the air supply guidance and ejected flue gas recirculation combustion, increases the swirl air distribution intensity on the premise of ensuring flame stability, increases the turbulence of the oil mist flame, and shortens the flame length. Strengthen air disturbance, enhance oil and gas mixing effect, and inhibit NO x It strengthens the air gathering effect on the flame and shortens the flame length; ejects the high temperature flue gas back to participate in the secondary combustion and reduces NO x emissions.