35results about How to "Not easy to temper" patented technology

The invention relates to a hybrid power system with a waste heat recovery function and an environment air purification function and for a hydrogen vehicle. The hybrid power system with the waste heat recovery function and the environment air purification function and for the hydrogen vehicle comprises a vehicle body, a transmission system, a hydrogen fuel engine, a hybrid power transmission, a metal hydride storage tank, a turbine, a catalyst, a high-pressure surge tank, a hydrogen buffering tank and the like. The metal hydride storage tank is connected to an inlet of the turbine through the high-pressure surge tank. An outlet of the turbine is connected to an inlet of the hydrogen fuel engine through the hydrogen buffering tank or a high-pressure hydrogen buffering tank. An outlet of the hydrogen fuel engine is connected to a discharge outlet through the catalyst, a tail gas heat exchanger, a residual hydrogen absorption unit and a tail gas zero-stage purifier. The hydrogen fuel engine is connected with the hybrid power transmission through a power output shaft. According to the hybrid power system with the waste heat recovery function and the environment air purification function and for the hydrogen vehicle, the hydrogen fuel engine, the turbine and an exhaust gas waste heat recovery and purification system are combined to form the hybrid power system for the automobile, chemical energy of hydrogen is sufficiently used, various kinds of heat energy in the process is recovered, and the working efficiency of the power system is improved; and atmospheric pollution is avoided, the environment air is purified, and protection of the natural environment is facilitated.

The invention discloses a fire cover, a burner and a gas stove. The fire cover is used for the burner and comprises a fire cover body which is provided with main fire holes, and the ratio of the thickness wall of the position, provided with the main fire holes, of the fire cover body and the hole diameter of the main fire holes is larger than or equal to 2.85. According to the technical scheme, by means of the fire cover, the burner and the gas stove, the back-fire phenomenon of the main fire holes of the fire cover can be avoided, and therefore the use safety of the burner with the fire cover is improved.

The invention relates to a burner, which comprises a gas mixing chamber for mixing gas and air, and is characterized in that: a cover plate is detachably arranged on the top of the gas mixing chamber; and a plurality of fire holes which allow flame to pass through are distributed on the cover plate at intervals. Compared with the prior art, the burner has the advantages that: the cover plate is arranged on the top of the gas mixing chamber, is provided with the fire holes and can effectively buffer the pressure of the flame jetted from jet orifices, so that floating flame is formed on the surface of the cover plate; and the whole burner is difficult to temper.

The invention discloses a high-precision natural gas cutting gas. Natural gas is taken as a major ingredient. Catalysis assistant is added into the natural gas and is composed of the following components at volume ratio: 25-28% of solvent oil, 14-18% of anhydrous ethanol or carbinol, 16-20% of isopropanol or n-butyl alcohol, 14-16% of dimethylbenzene, 18-22% of rosin water and 1.5-2% of Catoc-ene; the ratio of the natural gas to the catalysis assistant is characterized is that 10-12 ml of the catalysis assistant is added in each cube of natural gas.

The invention discloses a roasting gun device. The roasting gun device comprises a support, a gun body and a gun head, wherein the middle part of the gun body is of a sleeve structure with an inner layer charged with fuel gas and an outer layer charged with compressed air, a bearing seat for allowing the gun body to rotate around the support is arranged on the rear part of the gun body, and a fuel gas connector and a compressed air connector are formed in the rear part of the gun body; a fuel gas-air mixing pipe and a secondary mixing and decompression pipe for supplementing air and balancing a gas pressure are arranged on the front part of the gun body; the support is used for installing and supporting the gun body and enabling the gun body to rotate and move around an axis in the horizontal direction; a main fire hole is formed in the middle of the gun head, and 18-28 auxiliary fire holes are distributed around the gun head; and the outer layer of the gun head is a heat-collecting cover. According to the roasting gun device disclosed by the invention, a fuel and air are uniformly mixed, air needed for combustion can be automatically balanced, and the temperature of the gun head can be lowered, so that the problems of poor roasting effect and unsafety of unshaped casting material products in scrap copper smelting, and anode copper casting dies are solved.

The invention discloses a combustion improver for liquefied natural gas. The combustion improver comprises, by weight, 20-35 parts of tung oil, 10-25 parts of ethanol, 10-30 parts of n-butanol, 10-27 parts of cyclopentanol, 12-32 parts of ethylene glycol monobutyl ether, 5-20 parts of methyl ethyl ketone and 2-12 parts of borane tetrahydrofuran. The combustion improver has the advantages that the calorific value of the fuel gas can be increased effectively, the combustion speed of the liquefied natural gas can be increased greatly, high temperature can be obtained by combustion in oxygen, the liquefied natural gas with the combustion improver can effectively replace acetylene and be used for flame welding and cutting of metal, the firing point of fuel can be lowered, fuel can be saved, and deep application of the fuel can be achieved.

The invention relates to a burner, which comprises a gas mixing chamber for mixing gas and air, and is characterized in that: a cover plate is detachably arranged on the top of the gas mixing chamber; and a plurality of fire holes which allow flame to pass through are distributed on the cover plate at intervals. Compared with the prior art, the burner has the advantages that: the cover plate is arranged on the top of the gas mixing chamber, is provided with the fire holes and can effectively buffer the pressure of the flame jetted from jet orifices, so that floating flame is formed on the surface of the cover plate; and the whole burner is difficult to temper.

The invention provides a cutting gas capable of increasing combustion heat efficiency of a methane gas and a preparation method of the cutting gas. The cutting gas comprises a catalysis warming agent and the methane gas, wherein the catalysis warming agent comprises the following components in parts by weight: 10-30 parts of 190# solvent gasoline, 10-25 parts of petroleum ether, 20-30 parts of absolute ethyl alcohol, 10-15 parts of allyl alcohol, 10-15 parts of acetone, 10-15 parts of propargyl alcohol, 5-10 parts of raw tung oil, 3-5 parts of simethicone, 0.5-1.5 parts of potassium ferricyanide and 1-3 parts of nicotine nitrile. The invention further relates to the preparation method of the cutting gas. The cutting gas capable of increasing the combustion heat efficiency of the methane gas has the advantages of remarkable energy saving efficiency, high combustion speed, high flame temperature, high cutting level and the like. The cutting gas capable of increasing the combustion heat efficiency of the methane gas, provided by the invention is capable of saving the fuel by above 20 percent and oxygen by above 25 percent when applied to a flame welding and cutting process.

The invention relates to a hydrogen energy vehicle power system for ambient air purification. The hydrogen energy vehicle power system comprises a transmission system, a hydrogen fuel engine, a metal hydride storage tank, a hydrogen compression unit, a hydrogen stabilized tank, an inverter, a, electric-generator, an expansion machine, a storage battery and an exhaust gas disposal system. The storage battery is electrically connected with a power bus and the inverter, and the inverter is electrically connected with the electric-generator; the metal hydraulic storage tank is connected with the hydrogen fuel engine through the hydrogen compression unit and the hydrogen stabilized tank, and an exhaust outlet of the hydrogen fuel engine is connected with the exhaust gas disposal system through a turbo charger; the hydraulic fuel engine or / and the number one electric-generator is / are connected with a power combiner, the expansion machine is connected with the power combiner, and the power combiner is connected with the transmission system through a transmission shaft. By the combination of the hydrogen fuel engine with the electric-generator, operation efficiency of the hydrogen energy vehicle power system is improved; by recycling exhaust heat, atmospheric pollution is reduced, and natural environment is favorably protected.

The invention discloses a combustion improver for liquefied natural gas. The combustion improver comprises, by weight, 20-35 parts of tung oil, 10-25 parts of ethanol, 10-30 parts of n-butanol, 10-27 parts of cyclopentanol, 12-32 parts of ethylene glycol monobutyl ether, 5-20 parts of methyl ethyl ketone and 2-12 parts of borane tetrahydrofuran. The combustion improver has the advantages that the calorific value of the fuel gas can be increased effectively, the combustion speed of the liquefied natural gas can be increased greatly, high temperature can be obtained by combustion in oxygen, the liquefied natural gas with the combustion improver can effectively replace acetylene and be used for flame welding and cutting of metal, the firing point of fuel can be lowered, fuel can be saved, and deep application of the fuel can be achieved.

The invention discloses a roasting gun device. The roasting gun device comprises a support, a gun body and a gun head, wherein the middle part of the gun body is of a sleeve structure with an inner layer charged with fuel gas and an outer layer charged with compressed air, a bearing seat for allowing the gun body to rotate around the support is arranged on the rear part of the gun body, and a fuel gas connector and a compressed air connector are formed in the rear part of the gun body; a fuel gas-air mixing pipe and a secondary mixing and decompression pipe for supplementing air and balancing a gas pressure are arranged on the front part of the gun body; the support is used for installing and supporting the gun body and enabling the gun body to rotate and move around an axis in the horizontal direction; a main fire hole is formed in the middle of the gun head, and 18-28 auxiliary fire holes are distributed around the gun head; and the outer layer of the gun head is a heat-collecting cover. According to the roasting gun device disclosed by the invention, a fuel and air are uniformly mixed, air needed for combustion can be automatically balanced, and the temperature of the gun head can be lowered, so that the problems of poor roasting effect and unsafety of unshaped casting material products in scrap copper smelting, and anode copper casting dies are solved.

The invention provides an industrial welding and cutting gas modification additive. The industrial welding and cutting gas modification additive comprises the following components in parts by weight: 20-40 parts of a solvent, 10-30 parts of a polymerization inhibitor, 40-60 parts of a smoke suppressor, 0.5-4 parts of a catalyst, 0.1-1.5 parts of a stabilizer and 31-75 parts of an oxygen generating agent. According to the application of the industrial welding and cutting fuel gas modified additive, the modified additive is added into industrial fuel gas with C3 and C4 as mother liquor according to the ratio of 2-3 wt% for use. The modified additive disclosed by the invention is added into industrial fuel gases such as propane and liquefied gas, so that the gasification and activation performance of mother liquor fuel gas is improved, the wavelength and the frequency of combustion of mother liquor in oxygen are changed, and the combustion performance is improved; the flame combustion temperature of the industrial fuel gas added with the modified additive can reach about 3410 DEG C, the industrial fuel gas is superior to acetylene in the aspects of temperature, heat value, cutting effect, environmental protection, energy conservation, safety cost and the like, the cutting and welding performance of the industrial fuel gas reaches or exceeds that of acetylene gas, and the industrial fuel gas can completely replace acetylene to complete cutting and welding of metal.

The invention relates to an industrial welding and cutting gas prepared by refining biogas. The biogas is taken as a main fuel, and a multifunctional catalyst is added into the biogas in a volume ratio of 15:100,000 to form the industrial welding and cutting gas, wherein the multifunctional catalyst mainly comprises the following components in part by mass: 20 to 25 parts of No.200 solvent gasoline, 15 to 20 parts of hexahydrotoluene, 10 to 15 parts of butyl acetate, 8 to 10 parts of glycol dimethyl ether, 6 to 12 parts of methyl ethyl ketone, 5 to 18 parts of n-butyl cyclohexane, 5 to 15 parts of n-butyl acetate, 6 to 12 parts of p-tert-Butylphenol and 4 to 6 parts of organic boride. The multifunctional catalyst and the biogas are matched, so that the dissolubility and dispersity of various fuels are improved, the fuels well dissolve and adsorb the methane gas, the quality of the fuels is improved, the flame temperature of the methane combusted in oxygen is improved to reach the combustion temperature of acetylene gas, and the aim of replacing the acetylene gas is fulfilled.

The invention provides a cutting gas capable of increasing combustion heat efficiency of a methane gas and a preparation method of the cutting gas. The cutting gas comprises a catalysis warming agent and the methane gas, wherein the catalysis warming agent comprises the following components in parts by weight: 10-30 parts of 190# solvent gasoline, 10-25 parts of petroleum ether, 20-30 parts of absolute ethyl alcohol, 10-15 parts of allyl alcohol, 10-15 parts of acetone, 10-15 parts of propargyl alcohol, 5-10 parts of raw tung oil, 3-5 parts of simethicone, 0.5-1.5 parts of potassium ferricyanide and 1-3 parts of nicotine nitrile. The invention further relates to the preparation method of the cutting gas. The cutting gas capable of increasing the combustion heat efficiency of the methane gas has the advantages of remarkable energy saving efficiency, high combustion speed, high flame temperature, high cutting level and the like. The cutting gas capable of increasing the combustion heat efficiency of the methane gas, provided by the invention is capable of saving the fuel by above 20 percent and oxygen by above 25 percent when applied to a flame welding and cutting process.

The invention relates to a strengthened hydrocarbon to be input into a torch and burnt together with oxygen and provides an additive with compound energy efficiency of reducing the ignition point of a base stock hydrocarbon, promoting the burning rate, and increasing and gathering energy to strengthen oxidization. The additive is added to the base stock hydrocarbon so that some shortcomings of the base stock hydrocarbon in actual use can be improved and optimized; as a result, the shortcomings of not easy ignition, high oxygen consumption, low flame burning rate, low flame temperature and disperse flame heat of the base stock hydrogen during thermal cutting, processing and welding can be solved. Through actual testing, the base stock hydrocarbon basically reaches the standard of acetylene gas and even is superior to the acetylene gas in some performance aspects. In cutting quality method, adhering slag is not easy to form after cutting, and even though the adhering slag is formed, the adhering slag is also easy to clear away; the cut surface is good in degree of finish; in use, the strengthened hydrocarbon has the advantages of not easy tempering and fire suppression, no black smoke, good safety performance and the like.

The invention relates to an intelligent and anti-corrosive type metal fiber surface burner, comprising a burner head, a separated type long-open-fire automatic ignition device, a gas-air mixing system and an intelligent control module, wherein the separated type long-open-fire automatic ignition device is arranged at one side of the burner head and is used for igniting the burner head; the gas-air mixing system is connected with the burner head and is used for conveying air-gas mixing gas needed by burning for the burner head; the intelligent control module is connected with the separated type long-open-fire automatic ignition device and is used for controlling the ignition of the separated type long-open-fire automatic ignition device; and the intelligent control module is connected with the gas-air mixing system and is used for controlling and adjusting the flow of air-gas mixing gas conveyed by the gas-air mixing system. The intelligent and anti-corrosive type metal fiber surface burner has the advantages that the corrosion problem of soup and juice and the like is solved, the maintenance cost is reduced, the emission is low, the efficiency is high and the intelligent electrodeless-load adjustment can be realized.

The invention relates to an efficient hydrogen energy vehicle power system with an ambient air purifying function. The efficient hydrogen energy vehicle power system comprises a drive system, a gas turbine, a high pressure hydrogen storage tank, a hydrogen compression unit, a hydrogen gas surge tank, an inverter, an electric-power generator, an expander, a storage battery and an exhaust gas treating and discharging system. The high pressure hydrogen storage tank is connected to an inlet of the expander, one path of an outlet of the expander is connected to a hydrogen inlet through a cold capacity recovery device and the hydrogen gas surge tank, and the other path is connected to the inlet of the expander through a hydrogen compression unit and an intermediate tank. A power combiner is connected with the gas turbine and / or the electric-power generator, according to the technical scheme, the gas turbine is replaced with a hydrogen fuel engine, and the power combiner is connected with the drive system through a drive shaft. According to the efficient hydrogen energy vehicle power system with the ambient air purifying function, the gas turbine is combined with the electric-power generator, so that work efficiency of the hydrogen energy vehicle power system is improved. By recycling of exhaust gas heat, air pollution is reduced, and the natural environment can be protected easily.

The invention belongs to the technical field of combustion equipment, and relates to a full-premix type metal fiber combustor and a boiler adopting the combustor. The full-premix type metal fiber combustor comprises a draught fan, an air mixing unit and a combustion head. The draught fan is connected with the air mixing unit and used for providing air needed for combustion. The air mixing unit is connected with the combustion head and used for conducting mixing and conveying needed air and fuel gas mixed gas to the combustion head. The air mixing unit comprises an air mixing pipe and air mixing discs. A plurality of sets of through holes are formed in the side wall of the air mixing pipe in the circumferential direction. The first air mixing disc and the second air mixing disc are sequentially arranged in the gas flow direction. The air mixing pipe is arranged between the first air mixing disc and the second air mixing disc, and the first air mixing disc abuts against the air mixing pipe. According to the combustor, air and fuel gas are fully mixed, combustion is sufficient, nitrogen oxide emission is low, and high efficiency and energy saving are achieved. Meanwhile, the size of a boiler furnace of the boiler is greatly reduced, and the interior of the boiler furnace is heated evenly.

The invention discloses a metal honeycomb heating element for a gas stove. The metal honeycomb heating element for the gas stove at least comprises a metal strip, a boss set I and a boss set II are alternatively arranged on the metal strip, the metal strip is coiled to form a honeycomb heating element body with a plurality of coil rings, the boss set I and the boss set II are arranged on any two adjacent coil rings respectively, and holes for gas to pass are formed between adjacent coil rings. The boss set I and the boss set II comprise a plurality of bosses, the lower ends of the bosses are sealed, and openings are formed in the upper ends of the bosses. According to the metal honeycomb heating element for the gas stove , the the porosity of the lower end of the honeycomb body is low, gascan pass through the lower end of the honeycomb heating element body with a higher speed, the lower end of the honeycomb heating element body can be better cooled, and thus the purposes that flames are prevented from spreading to the lower end of the honeycomb heating element body, the burning stability is high, and backfire is not likely to occur are achieved; and besides, the porosity of the upper end of the honeycomb heating element body is high, it is beneficial to efficient burning of gas, the heating speed is high, and meanwhile it is beneficial to discharging of burning tail gas.

The invention relates to an energy-containing combustion-supporting catalyst which mainly is composed of the following components by weight: 25-28 parts of fusel oil, 14-18 parts of ethanol, 16-20 parts of tetralin, 14-16 parts of cyclopentanol, 18-22 parts of crotonic aldehyde, 1-2 parts of 2-pyrrolidone, 1.5-3 parts of nano rare earth oxide, and 2-3 parts of energy-containing cage-type boride or derivates of the boride. The energy-containing combustion-supporting catalyst can be applied to liquid or gas alkane fuel to form an energy-containing composite fuel so as to promote the thermal efficiency of the fuel, and can effectively replace acetylene to be used for metal flame welding cutting so as to improve the heat utilization rate of gas boilers and kilns. The energy-containing combustion-supporting catalyst is obvious in energy-saving efficiency, and saves fuel by more than 30 percent and saves oxygen by more than 20 percent in the process of metal flame welding cutting. Furthermore, compared with acetylene, the energy-containing combustion-supporting catalyst is safe in use, and is unlikely to cause tempering, and is safe and reliable in use.