34results about How to "Safe and reliable ignition" patented technology

The invention discloses an insensitive electric igniter for a nuclear blast valve, which is suitable to be used for nuclear power generating units. The electric igniter comprises an electrode plug, a charging cap, a bridge belt and charged powder, wherein the electrode plug, the charging cap, the bridge belt and the charged powder are all arranged in a shell; and the electric igniter is characterized in that the charging cap is made of aluminium oxide ceramics, and an electrostatic discharging channel is formed between an electric contact pin on the electrode plug and the inner wall of the shell by a second disk with minimum diameter on the charging cap, thereby combining the functions of 'blocking' and 'discharging'; the charged powder is a Zr/KClO4 medicament which can bear long-time high temperature and irradiation environment; and the bridge belt is serialized, and can satisfy the applied objects with different dimensional requirements for interfaces. The invention provides an electric igniter which can be used safely and reliably under the harsh operating environment of nuclear power generating units, lives up to the requirements for safety performance of misfiring under the condition of 1A/1W/5min, and meets the technical index of no leakage within 15min at an action time of not more than 10ms and under the action of 69MPa pressure when 3.7 A of rated firing current is applied; and meanwhile, the invention has the advantages of simple structure, easy installation, good adaptability to environment, and the like.

An integrated gas discharge lamp (5) with ignition electronics integrated into the base, comprising an ignition transformer (T_IP), an ignition capacitor (CIP), and a controlled switching element (SIP), wherein the integrated ignition electronics are configured to generate an asymmetrical ignition pulse, and wherein the voltage ratio between the first lamp electrode near the base and the second lamp electrode distant from the base ranges from 22:1 to 5:4

The invention discloses a heat transfer compounding integrated furnace for biomass burning. The furnace comprises a steam boiler, a smoke vent of the steam boiler is sequentially communicated with a hot blast heater and a hot water furnace, the hot water furnace is communicated with a flue gas emission and flue gas waste heat recycling device, one fan is needed by whole equipment, therefore the production cost can be saved; furthermore, the smoke exhaust way of a traditional flue can be changed by the flue gas emission and flue gas waste heat recycling device, so that energy saving can be realized, and the dynamics of environmental protection can be improved; in addition, by adopting the scheme provided by the invention, the heat transfer compounding integrated furnace is novel in structure, convenient and quick to ignite, safe and convenient for fuel transportation and high in heat efficiency, and the production cost can be greatly reduced.

The invention discloses a biogas tea fixing machine, which comprises a frame, a horizontal tea fixing roller arranged on the frame, a driving device driving the tea fixing roller to roll, and a heating device used for heating the tea fixing roller. The biogas tea fixing machine is characterized in that: the heating device comprises a stove and a biogas combustion device arranged under the tea fixing roller; the biogas combustion device comprises a biogas delivery pipeline which is connected with a biogas digester and provided with a valve, and a plurality of high temperature-resistant biogas ejectors connected with the output end of the delivery pipeline; the biogas ejectors pass through the side wall of the stove to extend into the hearth of the stove; and biogas nozzles of all the biogas ejectors are arranged at equal intervals along the length direction of the hearth. The fixing machine is provided with heat by the combustion of the biogas, and the combustion cost is lower, so the manufacturing cost of tea is reduced; the main component of the biogas is methane, and generates water and carbon dioxide after combustion, so the environment is protected; besides, the combustion value of the biogas is high, so the biogas provides enough heat for the fixing machine; therefore, the produced tea has higher quality.

The invention relates to an ignition method of a boiling furnace. The method comprises the following steps of: laying hot furnace slag on an air distribution plate; laying bamboo charcoal on the hot furnace slag, and igniting the bamboo charcoal to form a charcoal fire layer; forming a micro negative pressure of minus 50 to 10Pa in a hearth; starting an air blower, so as to enable the charcoal fire layer to slightly jump and not to be buried by the furnace slag; uniformly spreading slack coal on the charcoal fire layer, and gradually increasing air quantity so as to raise the temperature of a material layer; when air output reaches the minimum air speed during normal operation, maintaining the temperature-rise speed of the material layer according to the quantity of the spread slack coal; when the temperature of the material layer reaches 600 to 700 DEG C, increasing the quantity of the slack coal and the air output to enable the air speed to exceed the minimum air speed within 5s; when the temperature of the material layer reaches 750 to 800 DEG C, remaining the addition amount of the slack coal and the air output unchanged so as to steadily raise the temperature; when the temperature of the material layer reaches 800 to 850 DEG C, starting a coal feeder to normally feed coal, remaining the air output unchanged, and adjusting a combustion situation until a flame is stabilized to be golden yellow. According to the ignition method, the ignition time is short and the one-time ignition success rate is high.

The invention relates to a torch, in particular to a novel graded ignition torch. The novel graded ignition torch comprises a base, a foot margin bolt installation hole, a main torch barrel and a high frequency ignition device; the high frequency ignition device is connected with a liquefied gas pipe, the bottom end of the main torch barrel is connected with a gas conveying barrel, a gas inlet control device is arranged in the gas conveying barrel and comprises an installation disc and a plastic overturning plate, a gas via square hole is formed in the installation disc, the plastic overturning plate is located on the side face of the gas via square hole, is fixedly installed on a rotating shaft of the installation disc through a hinge head and is provided with a square rubber sealing strip, and a balancing weight is arranged at the bottom of the plastic overturning plate; and the gas conveying barrel is connected with an auxiliary torch pipe, a gas inlet of the auxiliary torch pipe is located in the right side of the gas inlet control device, the right end of the gas conveying barrel is connected with a gas inlet pipe, and the gas inlet pipe and the auxiliary torch pipe are provided with a first gas flow sensor and a second gas flow sensor correspondingly. The novel graded ignition torch is reasonable in structural design, safe, environment-friendly and long in service life.

The invention relates to a water-fire cap fountain sprinkler. The sprinkler comprises a spray duct, a cap, a fixed support and a fixed rod, wherein, the fixed support is fixedly connected with the spray dust in the spray duct; the fixed rod is arranged on the fixed support; the cap is connected with the fixed rod by screw thread at the upper port of the spray duct and is locked on the fixed rod by a nut. A nozzle is arranged between the cap and the spray duct, wherein, the invention is characterized in that a fuel sprinkler is arranged on the upper bottom surface of the cap; the fuel sprinkler and a fuel supply pipe with a fuel magnetic valve outside the spray duct are communicated by a connecting pipe through a cavity of the spray duct; a fuel lighter is arranged at the upper-side part of the fuel sprinkler. The spray duct is communicated with a water supply pipe of the fountain with a water supply magnetic valve. The fuel magnetic valve and water supply magnetic valve are opened or closed by a fountain electric control device respectively. Water is injected through the nozzle which is arranged between the cap and the spray duct, and the fuel is injected through the fuel sprinkler and lighted by the fuel lighter, thus realizing a colorful waterscape scene of 'fire inside while water outside'.

The invention provides a laser ignition liquid fuel combustor which comprises a combustor body, a combustion chamber, a combustion head, an air supply device, a fuel feeding device and a laser ignition device. The fuel feeding device comprises a fuel suction pump, a fuel injection pump and an atomizing nozzle. The laser ignition device comprises an Nd:YAG solid laser, a laser power source, a laser controller, a focusing lens, an optical fiber coupler, a light-guide fiber, an optical window and a laser igniter. The laser ignition liquid fuel combustor has the advantages that due to the fact that the laser ignition device is adopted, compared with a traditional electromechanical ignition combustor, the laser ignition liquid fuel combustor needs no electrode, and the electrode corrosion problem is avoided; in addition, the laser ignition liquid fuel combustor is high in interference resisting capacity, and the interference of electromagnetic waves, static electricity and other electric signals is avoided; in addition, the laser ignition liquid fuel combustor is safer and more reliable, ignition strength and the ignition moment can be effectively controlled, and therefore electric control can be achieved easily.

The invention relates to a circuit assembly (12) for providing high-frequency energy in order to generate an electric discharge in a vacuum chamber (2), in particular in order to generate plasma, having a direct voltage supply (13), a step-up converter circuit (16), and an actuation unit (17). The direct voltage supply (13) provides a direct voltage (Ucc). The step-up converter circuit (16) contains a series circuit consisting of an inductor (18) and an actuatable switch (19), wherein the inductor (18) is connected between a pole (21) of the direct voltage supply (13) and a first electrode (D)of the switch (19). A second electrode (S) of the switch (19) is connected to ground, and the switch (19) additionally has a control electrode (G). The actuation unit (17) is designed to actuate theswitch (19) with a high-frequency in order to generate high-frequency energy with a periodic pulse-like output voltage (UDS) at the first electrode (D) of the switch (19), said output voltage having apeak value which is larger than the value of the direct voltage (Ucc) of the direct voltage supply (13). The high-frequency energy with the output voltage (UDS) is directly output without transformation at an output connection (24) which is designed to directly connect to an electrode (8) of the vacuum chamber (2). The invention likewise relates to a system for generating an electric discharge, in particular a low-pressure plasma system, comprising such a circuit assembly (12).

The invention relates to the technical field of vehicle fire-proof safety, and particularly relates to a vehicle fire test system and method. The system comprises a test platform, a test instrument assembly and a control device, wherein the test platform is used for bearing a fire test sample vehicle; a monitoring device arranged at a fire-proof weak position of the sample vehicle is mounted in the sample vehicle and is used for monitoring related data of the sample vehicle in the burning process; the test instrument assembly comprises an ignition device arranged below the sample vehicle, a multi-channel data collection device connected with the monitoring device and used for collecting monitoring data of the monitoring device, a heat acquisition device arranged above the sample vehicle and used for collecting heat released in the burning process of the sample vehicle, a timer for determining test time of a fire test and a thermal imager for acquiring a flame temperature of the samplevehicle in the burning process; and the control device is connected with the test instrument assembly. The vehicle fire test system and method disclosed by the invention are low in cost, high in speedand good in reproducibility and can accurately control flame burning strength and burning time.

The invention discloses a double spark plug cylinder head assembly of a heavy oil engine and an aviation engine. The double spark plug cylinder head assembly comprises a cylinder head, wherein a double spark plug formed by a spark plug I and a spark plug II is mounted on the cylinder head. The double spark plug cylinder head assembly of the heavy oil engine and the aviation engine have higher ignition energy, enable heavy oil to achieve more sufficient and efficient organization combustion particularly being matched with the heavy oil which is fully atomized and uniformly mixed, are beneficialto the efficient combustion of heavy oil and ensure reliable and safe ignition of an engine under various working conditions and conditions; and the size and weight of the engine are further reducedcompared with a traditional heavy oil compression-ignition type engine, the double spark plug cylinder head assembly of the heavy oil engine and the aviation engine are suitable for use by unmanned aerial vehicles and is more efficient and environmentally friendly.

The invention discloses a multifunctional axe for field exploration, and relates to the technical field of hardware. The axe comprises an axe body, wherein a sleeve penetrates through and is in threaded connected with one side of the axe body, one end of the sleeve is in threaded connection with a sleeve head, the inner wall of the sleeve is fixedly connected with an axe handle, the end, away fromthe sleeve, of the axe handle is provided with a storage groove, the interior of the storage groove is slidably connected with a fine knife, fine sundries such as branches and leaves during cutting cannot be conveniently cut by the axe, at the moment, the axe body is removed from the axe handle, then the fine knife is pulled out from the storage groove, so that the axe can be changed into a dagger for use, the fine sundries can be cut conveniently, the end, away from the sleeve, of the axe handle is in threaded connection with a storage cover, the two sides of the middle position of the axe handle are provided with an upper damping groove and a lower damping groove, and the end, away from the upper damping groove, of an upper spring group is fixedly connected with a holding block. The multifunctional axe for field exploration has various functions, and is safe and reliable to use, and convenient to carry.

The invention relates to an igniter used for deflation and gas injection. The igniter comprises a combustion cylinder. An ignition needle and a flame probe are arranged in the combustion cylinder. The combustion cylinder is connected with a combustor connector. The combustor connector is provided with a nozzle. A fuel gas inlet is formed in the bottom of the combustion cylinder. By means of the igniter, liquefied petroleum gas or atomized diesel oil serves as fuel, an automatic ignition function and a flame monitoring function are achieved, and the igniter is used for achieving safe and reliable ignition in the deflation and injection process during shale gas testing. The problems that in the prior art, ignition reliability is low, installation is not convenient, and safety performance is poor can be solved. The flame rigidity of the igniter is high, ignition is safe and reliable, a real-time flame monitoring function is achieved, and safe and reliable ignition can be achieved during shale gas deflation and injection.

The invention relates to the electrical field, and discloses a comb-shaped electric pulse igniter which comprises a direct-current power supply module, a self-oscillation circuit, a high-voltage rectification energy storage circuit and a charge-discharge and ignition circuit. When the circuit is switched on, stable and oscillating voltage is generated by the self-excited oscillator firstly, then the voltage is boosted and energy is stored by the capacitor through the high-voltage rectification energy storage circuit, and finally energy is released in the charge-discharge and ignition loop, a discharge pulse gap is broken down, discharge sparks are generated, and combustible materials are ignited. In order to increase the energy utilization rate and enlarge the application scene, a comb-shaped discharge electrode plate is adopted in an ignition loop, and compared with a traditional parallel electrode plate, the comb-shaped electrode plate has the advantages that the charge density at the tip is larger, and loop discharge energy can be gathered with the higher utilization rate. The device can continuously discharge, is safe and high in stability, is convenient to operate, and can be used for various scenes.