31results about How to "Extended combustion range" patented technology

The invention discloses a premixing strong swirling flow flame diffusion burner. Center grading structure design is adopted. The premixing strong swirling flow flame diffusion burner comprises a combustion box, an air pipeline, a fuel pipeline, a swirler, a precombustion level air hole, a precombustion level nozzle and a main combustion level nozzle. The air pipeline is connected with an inlet of the combustion box through welding and is used for guiding air to pass through the swirling flow burner and enter a combustor for combustion. The fuel pipeline supplies gaseous fuel to the precombustion level nozzle and the main combustion level nozzle, wherein 25%-40% of the fuel enters the precombustion level nozzle and is then sprayed into the combustor to be mixed with precombustion level air directly entering the combustor through the precombustion level air hole for diffusive combustion. Through a premixing strong swirling flow flame diffusion structure adopted by the burner, the downstream combustion area can be enlarged well, the heating area is enlarged, thus a larger space range can be heated through the burner with a small area, meanwhile, the combustion efficiency is improved, and pollutant discharge is reduced.

A tail gas treatment device for treating process exhaust gas of LED MOCVD equipment comprises a combustion chamber for combusting exhaust gas and a heating tape for packaging the combustion chamber. The combustion chamber comprises an outer chamber and an inner chamber which are annularly nested together. The outer chamber and the inner chamber which are nested together have a common top end cap. The end cap locks the outer chamber and the inner chamber together through screws and a sealing pad. The outer wall of the outer chamber is provided with two surrounding type heating tape. The heating tape packages the whole outer chamber. The tail gas treatment device sufficiently utilizes combustion heat and realizes relatively small amount of consumed electric energy. The tail gas treatment device has advantages of high safety, thorough combustion and no waste water through combusting the waste gases of H2 and NH3, energy-saving and environment-friendly performance, low cost, long maintenance period, simple structure and easy mounting.

The invention relates to a magnetic field-surrounding oxygen-collecting device, a furnace kiln combustion system containing the magnetic field-surrounding oxygen-collecting device and a magnetic field-surrounding oxygen-collecting combustion method. The magnetic field-surrounding oxygen-collecting device comprises a gas inlet pipe section, a vortex pipe section, an oxygen collecting pipe section,a nitrogen-oxide separation pipe section and an oxygen discharge pipe section which are connected in sequence; and the oxygen collecting pipe section is composed of a shell, cylindrical magnets and amagnetic conductive metal blanket, a plurality of cylindrical magnets are arranged at intervals around the inner wall of the shell to form a magnetic field ring, and the magnetic conductive metal blanket is arranged on the side of the magnetic field ring to form magnetic field surrounding. The magnetic field-surrounding oxygen-collecting device and the magnetic field-surrounding oxygen-collectingcombustion method provided by the invention can improve an oxygen content of a combustion-supporting gas flow, have low energy consumption, and can improve combustion efficiency, save fuel, reduce carbon dioxide content and significantly improve thermal efficiency, thereby facilitating promotion.

The invention discloses a combustion device. The combustion device comprises a plasma arc spray nozzle 3, a plasma generator 6 and a water atomization supply device, wherein a water mist output port of the water atomization supply device is located at a spray port of the plasma arc spray nozzle 3, and the plasma generator 6 is communicated with the plasma arc spray nozzle 3 through a pipeline 5; and the water atomization supply device comprises a water vapour supply device and / or a water pressure atomization device and / or an ultrasonic water atomization device. According to the invention, water is pyrolysed into hydrogen and oxygen under a high temperature of the plasma arc spray nozzle, and ignited through a high-temperature plasma arc to provide a heat source for the outside, and the heat source has a large combustion range and a high flame temperature, and is convenient to move and capable of being fixedly used, thus a new application is developed for plasma equipment.

The invention provides a device and method for ignition by generating plasma sparks through continuous and pulsed dual-mode lasers in a gas breakdown manner. The device is mainly provided with a continuous laser transmitting end, a pulsed laser transmitting end, a fuel injection device, a cylinder cover, a combustion chamber, a piston and the like. The laser transmitting ends do not stretch into the combustion chamber. According to the device and method for ignition through the continuous and pulsed dual-mode lasers in the gas breakdown manner, the plasma sparks can always be reliably generated to ignite a fuel-air mixture in the combustion chamber; and the ignition path / range can be effectively increased, the ignition speed can be increased, the combustion area can be increased, combustion efficiency can be improved, and fuel can be saved.

The present invention discloses a production technology and device of high-quality calcium oxide, and is intended to address the deficiencies that the calcium oxide produced after calcination of the existing limestone can be easily mixed with ash, underfiring and overburning are common in the calcining process, and the calcium oxide has lower quality. The process is as below: 1, selecting calcite as the raw material, cleaning and draining; 2, crushing the calcite and sieving calcite particles in similar size for standby; 3, sending the calcite raw material into a shuttle kiln for calcining; 4, taking calcium oxide out of the kiln, cooling calcium oxide to about 400 DEG C, and milling the calcium oxide at a temperature more than 200 DEG C; 5, after milling, sending the calcium oxide immediately into a sealed dry container for cooling, cooling to around 50 DEG C, and packaging immediately, wherein the time interval between taking calcium oxide out of the kiln and packaging is 30 min.

The invention discloses a double-piston internal combustion engine which comprises a piston (1), an air cylinder (2) and an air cylinder cover (3), wherein the air cylinder cover (3) is arranged at the upper end of the air cylinder (2); a connecting rod is connected to the lower end of the piston (1); the connecting rod and a crankshaft are connected to form a piston crank connecting rod mechanism. The double-piston internal combustion engine further comprises a pressure sensor (11), a pressure strain piston (4), an air bag (5) and a stress piston (6); the pressure strain piston (4), the air bag (5) and the stress piston (6) are arranged in the air cylinder cover (3); one end of the stress piston (6) is supported against the lower part of the air bag (5); the other end of the stress piston (6) is connected with the pressure strain piston (4) through a connecting rod (8); a pressure relief pipe (12) and a pressurizing pipe (13) are respectively connected onto the air bag (5); normally-closed solenoid valves (10) are respectively arranged on the pressure relief pipe (12) and the pressurizing pipe (13). According to the double-piston internal combustion engine, the control over the combustion state and characteristics of the internal combustion engine is realized.

The invention discloses an easy-to-adjust particle burner feeding assembly, which includes a base, a feeding bin is arranged directly above the base, and first hoses are symmetrically connected to both ends of the bottom of the feeding bin, and the top of the base Mounting plates are arranged symmetrically at both ends of the mounting plate, and a servo motor is installed at one end of the top of the mounting plate. The present invention is equipped with mounting plate, servo motor, lead screw shaft, lead screw slider, feeding bin, discharge pipe and sliding limit rod, and the servo motor drives the lead screw slider to move left and right on the outside of the lead screw shaft. The sliding limit rod is used to limit the sliding track to adjust the overall lateral position of the feeding structure, adjust the positional relationship with it, and then lock the locking bolt to facilitate the adjustment of the lateral position according to the needs, which improves the device's stability. applicability.

The invention relates to a combustion apparatus capable of controlling the temperature of an output heat source. The combustion apparatus includes an igniter which is made from a high temperature resistance material having a high-energy density and is arranged in a first combustion chamber, a heating unit which is arranged outside the first combustion chamber and is used to heat the igniter to allow the temperature of a surface of the igniter to be higher than a fire point of an atomized fuel; a mixer which is arranged on the outer periphery of the first combustion chamber, has a second combustion chamber arranged on the outer periphery of a flame outlet of the first combustion chamber, and is used for supplying gas. Accordingly, the atomized fuel can contact the surface of the igniter in the first combustion chamber, and is ignited and combusts instantly, and then the atomized fuel enters the second combustion chamber, the vaporization of the fuel is completed, the combustion efficiency is maximized, and the temperature of the output heat source is adjusted through a gas supplying action of the mixer.

The invention relates to an aviation gas turbine engine afterburner flame stabilization technology, in particular to a flame stabilizer which at least solves the problem that mixed gasoline gas in a recirculation zone of the conventional flame stabilizer is lean. The flame stabilizer is positioned in an outer duct of an afterburner, and is a radial flame stabilizer which extends outwards from an annular flame stabilizer at a junction of an inner duct and the outer duct; the flame stabilizer is provided with a first wall surface and a second wall surface that are symmetrically distributed; and a plurality of air suction holes are symmetrically formed in the first wall surface and the second wall surface. Low-pressure air in the recirculation zone can be used to suck liquid-state fuel oil nearby the wall surfaces of the flame stabilizer, and a lean oil flameout boundary of the flame stabilizer can be widened. In addition, a mass-energy exchange rate in the recirculation zone can be increased, the combustion efficiency of the flame stabilizer can be improved, and the stable combustion range can be widened.

The invention provides a double-concave-cavity flame stabilized-combustion device based on an air staging and reverse jetting technology. The device comprises a secondary air feeding distributing preheating section, a flame stabilizing concave-cavity section, a spiral-flow type inclined seam reverse-jetting section and a gradual-expanding and gradual-contracting outlet section which share one axis and are sequentially connected. According to the device, a distributing plate is arranged at the head part; a combustion area in a combustion chamber is divided through air entering in a spiral-flow type inclined seam reverse jetting manner from the wall surface of a main flowing channel and the gradual-expanding and gradual-contracting outlet section; air flowing in through inclined holes in two sides of the distributing plate enters a concave cavity and is mixed and disturbed with the air entering from the front wall surface and the rear wall surface of the concave cavity, thus prompting the combustion in the main combustion area in the concave cavity; the inner combustion area of the main flowing channel is divided into three combustion areas through an air flow wall formed by the air entering from the center of the distributing plate and two air flows entering in the spiral-flow type inclined seam reverse jetting manner, so that flame remains high stability in case of large air input, and as a result, the combustion efficiency can be improved, and the stabilizing combustion range of the device can be expanded; meanwhile, the temperature can be uniformly axially distributed, thus local excessively-high temperature can be avoided, and as a result, the service life of the device can be prolonged.

The invention discloses a chemical experiment table capable of automatically extinguishing fire, which comprises a table top, a base is fixedly connected to the bottom of the table top, a plurality of storage tanks are opened on the table top, and a linkage mechanism is arranged in the storage tanks. The linkage mechanism includes an insulating block and a connecting shaft, the connecting shaft is fixedly connected to the bottom of the insulating block, a copper plate is installed in the insulating block, a primary memory metal is fixedly connected to the inner wall of the storage tank, and the two ends of the copper plate All offset with the first-level memory metal. In the present invention, when the combustion spreads to the inside of the storage tank, the secondary memory metal inside the storage tank is heated and stretched, and when the secondary memory metal stretches, it presses against the U-shaped shaft and pulls the insulating block into the storage tank. All combustion requires the participation of oxygen, and if the air is isolated, that is, oxygen is isolated, and the oxygen in the storage tank is exhausted, the burning flame will be extinguished, so as to realize the collection of liquid and the extinguishment of the fire.