44results about How to "Short ignition time" patented technology

A method of generating a sequence of high-voltage ignition sparks is described, wherein an ignition energy storage device (2) is charged up to a specifiable charge state (IP, ZÜND), by a discharge of the ignition energy storage device (2), a spark is generated on an ignition spark generating means (6) connected to the ignition energy storage device (2), a recharging operation of the ignition energy storage device (2) is started before the ignition energy storage device (2) is completely discharged, and by discharging the ignition energy storage device (2), an additional ignition spark is generated on the ignition spark generating means (6).

The invention discloses a Ni-Cr alloy thin film igniter with a low ignition voltage and a preparation method thereof and belongs to the technical field of a priming system. The Ni-Cr alloy thin film igniter with the low ignition voltage comprises a base; an isolating film is arranged on the base; an igniting element is arranged on the isolating film; the igniting element is provided with a bonding pad area of an igniter lead wire; and the igniting element is made of Ni-Cr alloy. According to the preparation method provided by the invention, the igniter is prepared by using a micro-machining technology. In the Ni-Cr alloy thin film igniter, the ignition is reliably realized at a lower ignition voltage; the ignition voltage is as low as 4.8 V/10 muF and the ignition energy is as low as 100 mJ; and the shake-proof performance is good.

The invention relates to a moxa-moxibustion tool and a preparation process thereof. The moxa-moxibustion tool comprises a moxibustion tool and a moxibustion core, wherein an air hole is formed in the bottom end of the moxibustion tool, the moxibustion tool is of a cylindrical structure, the moxibustion core is fixed to the upper portion of the inner cavity of the moxibustion tool, the upper surface of the moxibustion core protrudes out of the moxibustion tool, and the portion, in contact with a moxa cake, of the inner surface of the moxibustion tool is a flame-retardant face and is of a wedge surface structure. The moxibustion core is the moxa cake, the maximum size of the bottom surface of the moxa cake is 1-5 times of the height of the moxa cake, the bottom surface of the moxa cake is a cambered surface protruding upwards, the center of the upper surface of the cambered surface protrudes and is higher than the upper surface of the cambered surface, the bottom surrounding of the protrusion is downwards sunken and is lower than the upper surface of the moxa cake, a blind hole with a downward opening is formed in the moxa cake, and the hole bottom of the blind hole is located in the protrusion. The invention also correspondingly provides the preparation process of the moxa-moxibustion tool. The moxa-moxibustion tool is aligned during the moxa cake releasing, releasing and installation of the moxa cake can be simultaneously achieved, and working processes are saved. A central hole of the moxa cake is the blind hole, and the blind hole blocks an upper-end outlet of a flue, so that moxibustion smoke only flows downward, and the moxibustion utilization rate is improved.

The invention relates to a PCB (printed circuit board) type low-voltage semiconductor-bridge ignition assembly which comprises a semiconductor-bridge transducer chip, an ignition charge, a main circuit board and a PCB. The main circuit board and the PCB form a T-shaped circuit board connection structure. The semiconductor-bridge transducer chip is fixed to the PCB through conducting resin or bonding wires. The ignition charge is packaged through a plastic sleeve. A pair of horse-head-shaped copper discharge plate structures with saw teeth covers the back of the PCB; each of the discharge plates is provided with at least two saw teeth facing the circumference; the saw teeth are of angle of 50-80 degrees. The ignition assembly can meet requirements of low ignition voltage, high electromagnetism safety, short ignition time, small size, firm structure and the like.

The present invention relates to an ignition method and an ignition device, which are applied to the baking porcelain grain production line. The ignition method: the temperature of the ignition device is increased to pre-determined temperature, generally 800 to 1350 DEG C, a baking box that is fully provided with the baking raw materials is close to the ignition device at high temperature to reach the closed state, and then to be preheated; the baking box is ventilated with air or other combustion-assistant gas to assist the combustion, so that the surface of the raw materials can be combusted adequately; the temperature in the ignition device is introduced downwards by the guiding air so as to increase the thickness of the ignition layer; the air introduction is stopped after the ignition, and the ignited baking box is moved to a next position, and simultaneously the next baking box that is fully provided with the baked raw materials is moved to the ignition position. With the present invention, the ignition efficiency at the surface of the baking box is high, thereby greatly reducing the heat waste and shortening the ignition time; moreover, the porcelain grain that is arranged on the surface of the baking box is combusted adequately without breaking or dust; the particle is complete, thus improving the rate of the finished product of the production line. The ignition device has simple structure, not only has low production cost, but also greatly reduces the running operation compared with the traditional ignition system.

The invention relates to a moxa cake and a preparation process thereof. The moxa cake is formed by pressing moxa, the whole moxa cake is cake-shaped, the maximum size of the bottom surface of the moxa cake is 1-5 times of the height of the moxa cake, the center of the upper surface of the moxa cake protrudes and is higher than the upper surface of the moxa cake, the bottom surrounding of the protrusion is downwards sunken and is lower than the upper surface of the moxa cake, a blind hole with a downward opening is formed in the moxa cake, and the hole bottom of the blind hole is located in the protrusion. The preparation process incudes a cold-press method or a hot-press method. A central hole of the moxa cake is the blind hole, the hole bottom of the blind hole is located in the protrusion of the moxa cake and is higher than the upper surface of the moxa cake, the blind hole is kept unchanged at a preliminary burning stage, moxa produced during moxa burning covers the hole bottom when the hole bottom of the blind hole is burned, so that the inside of the moxibustion smoke is always the blind hole, the upper end blocking a flue of the blind hole is opened, the moxa smoke only flows downward, and the moxibustion utilization rate is improved.

The invention discloses a preparation method of environmentally-friendly bio-combustible granular fuel. The preparation method is a process method for making the bio-granular fuel by adopting crop straws and forest wastes as raw materials and comprises the following specific steps: (1) preparation; (2) drying; (3) pressure-forming; (4) packaging. Compared with other fuel preparation processes, thepreparation method disclosed by the invention has the benefits that the production cost is low, the preparation process is simple, the prepared bio-granular fuel is short in ignition time, high in calorific value, long in burning time, and full and complete in combustion and not only eliminates various potential safety hazards brought by incinerating the straws by people, but also reduces the possibility of environmental pollution.

The invention relates to a miniature surface-mounted ignition resistor and a preparation method thereof, belongs to the technical field of electric explosive devices, and solves the problems of oversize encapsulation dimension, relative too high firing current and poor safety in the prior art. The miniature surface-mounted ignition resistor disclosed by the invention comprises a base plate 1, a resistance layer 2, a protection layer 3, bonding pads 4, a surface back lap joint layer 5, a copper layer 6, a nickel layer 7 and a tin layer 8, wherein the resistance layer 2 is arranged on the uppersurface of the base plate 1; the bonding pads 4 are respectively arranged at two ends of the lower surface of the base plate 1; the two ends of the resistance layer 2 are connected with the corresponding bonding pads 4 through the surface back lap joint layer 5; the protection layer 3 is also arranged on the middle part of the upper surface of the resistance layer 2; the copper layer 6, the nickellayer 7 and the tin layer 8 are sequentially arranged at the outer surface of the surface back lap joint layer 5. The ignition resistor has the advantages that the encapsulation dimension is small; the ignition current is about 0.1A; the ignition time is smaller than 100mus; the firing energy is about 1mJ; the fast firing under the micro excitation can be realized; the safety performance is good;the prominent technical advantages are realized.

The invention relates to the field of fuels, in particular to an anti-slagging biomass pellet fuel and a preparation method thereof. The anti-slagging biomass pellet fuel is prepared from straw, peanut shells, sawdust, activated sludge, fly ash, mushroom stick waste residues, dealkalization treatment liquid, hydroxypropyl methyl cellulose, modified kaolin and an anti-slagging agent. The biomass pellet fuel prepared by the invention is low in slagging rate (less than or equal to 0.12%), high in calorific value (greater than or equal to 2.42 MJ/kg), short in ignition time (less than or equal to 50s), high in crushing strength and not easy to crack and generate dust in the storage and transportation processes, and is a relatively ideal fuel capable of replacing coal.

The invention discloses a method for preparing sintered ores by adding common iron ores into low-chromium vanadium titano-magnetite. The method is characterized in that the low-chromium vanadium titano-magnetite, the common iron ores and other sintered materials are subjected to the following steps of material mixing, material stewing, material mixing, material pelleting, material distribution, ignition, sintering, crushing and sieving to obtain the sintered ores. According to the method, the obtained low-chromium vanadium-titanium sintered ores has the advantages that the sintering rate is high, the soft melting temperature is high, the soft melting interval is narrow, the obtained sintered ores have good air permeability in a soft melting and dropping zone, and the performance of moltendrops is good.

The invention provides a high-voltage instant semiconductor bridge ignition module, and belongs to the field of a semiconductor bridge ignition device. The high-voltage instant semiconductor bridge ignition module comprises a tube shell (7), and propellant and an energy replacing element which are arranged in the tube shell (7), wherein the tube shell (7) has a sleeve structure, one end of the tube shell (7) is an open end, and the other end of the tube shell (7) is a closed end; the closed end of the tube shell (7) is provided with an axial through hole; the energy replacing element comprises a ceramic electrode plug (11); a semiconductor bridge chip is arranged above the ceramic electrode plug (11); the semiconductor bridge chip sequentially comprises a silicon substrate, a polycrystalline silicon substrate (4), an electric bridge (1) and an aluminium electrode (6) from bottom to top; the lower end surface of the silicon substrate is bonded on the upper end surface of the ceramic electrode plug (11); the aluminium electrode (6) comprises two electrode areas (3) which are separated from each other and are symmetrically arranged; the two electrode areas (3) are connected with each other by the electric bridge (1).

The invention discloses an explosive composition and a preparation method thereof and belongs to the field of chemical industry. The explosive composition disclosed by the invention comprises: fuel oil, a throwing agent, ammonium nitrate particles, a cracking agent, an expanding agent and an electrolyte solution; the explosive composition comprises the raw materials in parts by weight: 10 to 20 parts of the fuel oil, 20 to 40 parts of the throwing agent, 20 to 30 parts of the ammonium nitrate particles, 10 to 30 parts of the cracking agent, 20 to 30 parts of the expanding agent and 50 to 70 parts of the electrolyte solution; the explosive composition disclosed by the invention adopts a reasonable proportion design; a combustible agent is selected from a mixture composed of wood charcoal, aluminum powder and magnesium powder; compared with a wood charcoal combustible agent, the aluminum powder and the magnesium powder have high combustion calorific value; compared with an explosive composition in the prior art, the explosive composition generates a relatively great impact wave component force in an explosion process; the explosion strength is ideal, and the explosion performance ofexplosive and solid fuel is stable; and the explosive composition and the preparation method thereof are worthy of being popularized and applied.

An energy-saving stove with digital display consists of one, at least, burner installed on supporting rack in its chamber, and a display panel installed on the outer surface of the stove and connected with a digital controlling-circuit. Its advantages include combustion efficiency at 99.8%, quick starting, reliable digital display, and convenient in use.

The invention discloses an anti-scald cigarette lighter, comprising an igniting mechanism, a connection device, an igniting wire, a flame outlet, a gas outgoing tube, a gas reservoir, a button, and a crystal shell; a cylinder is provided with an inner cavity along its axis, the upper end of the cavity of the cylinder is opened with the lower end not opened, the igniting mechanism is disposed in the upper middle of the cavity and completely divides the cavity into an upper part and a lower part, the lower cavity part of the igniting mechanism is provided with the gas reservoir, the upper cavity of the igniting mechanism is provided with the button, and the button is connected to the igniting mechanism; the part of the crystal shell at the same horizontal position as the igniting mechanism is provided with the flame outlet, the connection device, used for setting the igniting wire, on the igniting mechanism is arranged at an inner outlet of the flame outlet, and the igniting wire is arranged within the flame outlet; one end of the gas outgoing tube is connected to the igniting mechanism, and the other end of the gas outgoing tube is arranged within the flame outlet. The anti-scald cigarette lighter has the advantages that breaking resistance of the cigarette lighter is improved and burns due to heat transfer can be avoided.