44results about How to "High heat of combustion" patented technology

The invention discloses an environment-friendly efficient waste incinerator. The environment-friendly efficient waste incinerator comprises a lower incinerator body part, an upper incinerator body part, an internal chimney, a base, an incinerator cover and an external chimney. The upper incinerator body part and the lower incinerator body part of an incinerator body are welded into a whole. The internal chimney is arranged in the middle of the lower incinerator body part and the middle of the upper incinerator body part. A combustion chamber is formed by the lower incinerator body part and the internal chimney. Refractory bricks are arranged on the periphery of the lower incinerator body part and the periphery of the upper incinerator body part. The bottom end of the lower incinerator body part is connected with the base. Both the upper surface and the lower surface of the base are open. The incinerator cover is arranged on the upper incinerator body part. The external chimney is arranged at the top of the incinerator cover in a connected mode. A water tank is arranged outside the lower incinerator body part. An oil tank is further arranged in the water tank. A water pipe and an oil pipe are arranged in the internal chimney. The water pipe is communicated with the water tank. The oil pipe is communicated with the oil tank. According to the environment-friendly efficient waste incinerator, oil in the oil pipe can be gasified by means of heat generated during waste combustion, so that waste on the upper portion of the incinerator body can be combusted for the second time, continuous waste combustion is achieved, incineration is thorough and rapid, and the incineration effect is good; pollution to the environment is small, and the environment-friendly efficient waste incinerator is suitable for waste treatment in village and town communities, schools and hospitals.

The invention discloses an engine inlet valve and a preparing method thereof. The inlet valve is prepared from, by weight percentage, 0.32% to 0.40% of C, 0.17% to 0.37% of Si, 2.5% to 3.5% of Mo, 0.50% to 0.80% of Mn, 0.80% to 1.10% of Cr, 0.50% to 1.0% of W, smaller than or equal to 0.013% of Ni, smaller than or equal to 0.015% of P, smaller than or equal to 0.015% of S, smaller than or equal to 0.010% of Cu and the balance Fe. The inlet valve is manufactured through the processes including surface nanocrystallization, low-temperature nitriding, tungsten and zirconium alloy bead welding and the like. The inlet valve is large in surface strength, high in hardness, good in abrasion resistance and long in service life.

A combustion gas mixer used in a gas-cooker belongs to a gas stove appliance. Spiral rising combustion gas guide blades are arranged inside an annular combustion gas chamber. A bottom end of the spiral rising combustion gas guide blades contacts and is connectedly engaged with an inner wall surface at a bottom end of a barrel shape device body; a concave cambered projection is connectedly arranged between an inner wall surface and a sidewall internal surface at a bottom end of a bell mouth shaped center combustion gas output barrel, the concave cambered surface shaped projection faces a gas outlet of an inner combustion gas conveyer pipe. According to the invention, combustion gas is provided with assisting power for forced rapid rising in both the annular combustion gas chamber and the bell mouth shaped center combustion gas output barrel. The mixer of the invention has the advantages of strong flame, large combustion heat output, high temperature, full combustion gas combustion, rapid stove flame-up and flame-out responses, and good security.

The invention discloses a novel amorphous reinforced valve material and a preparation method thereof. An alloy adopted by a valve comprises, by weight percentage, 0.32%-0.40% of C, 0.17%-0.37% of Si, 2.5%-3.5% of Mo, 0.50%-0.80% of Mn, 0.80%-1.10% of Cr, 0.50%-1.0% of W, less than or equal to 0.013% of Ni, less than or equal to 0.015% of P, less than or equal to 0.015% of S, less than or equal to 0.010% of Cu and the balance Fe. The inlet valve material is machined through the process of smelting, forging and welding the amorphous alloy. The valve material is high in surface hardness, good in wear resistance and long in service life.

The invention relates to a household natural gas heat supply system. The system comprises a casing, a fresh air device, a heating device and a humidifier. The system is characterized in that the freshair device and the humidifier are mounted in a kitchen ceiling of a user and connected with the heating device through an air supply pipeline; the fresh air device comprises a fresh air return port,a filter net and a fan; the heating device is divided into a preheating cavity on the right side and a heating cavity on the left side; a condensate water disc and one part of an S-shaped tubular heatexchanger are placed in the preheating cavity, and a smoke exhaust pipe is horizontally arranged behind the preheating cavity; and a combustion chamber and the other part of the S-shaped tubular heatexchanger are placed in the heating cavity, and air in the S-shaped heat exchanger in the heating cavity communicates with the preheating cavity through a main pipe. Flue gas produced by combustion of natural gas is used for directly heating the air, low-temperature flue gas preheats cold air, and the temperature of exhausted flue gas is decreased.

The invention discloses a biomass energy particle with the high burning rate and a preparation technology thereof. The biomass energy particle with the high burning rate is prepared from the followingraw materials in parts by mass: 30-40 parts of macroalgae, 60-80 parts of straw, 15-19 parts of corn cobs, 8-12 parts of pine needles, 10-16 parts of pine twigs, 10-18 parts of sesame stalks, 13-15 parts of rapeseed stalks, 10-14 parts of castor beans, 12-16 parts of cow dung, 6-12 parts of a combustion improver, 4-10 parts of a sulphur-fixing agent, 6-14 parts of a stabilizer, 2-6 parts of nano-titania, 3-7 parts of sodium chloride, 1-3 parts of bentonite, and 2-4 parts of illite. The biomass energy particle has the beneficial effects that the problem of environmental pollution caused by coal combustion burning is solved, meanwhile, energy sources are also saved, the biomass energy particle contains much oil family plants, the burning rate of biomass fuel can be effectively increased, the biomass energy particles can further be burned more sufficiently, burning heat is large, burning is stable, the environment is not polluted, and the biomass energy particle is an excellent new energy fuel.

To provide a method for operating a blast furnace with which the combustion efficiency of a solid fuel, such as pulverized coal, is improved, thereby making it possible to improve productivity and reduce CO2 emissions. Pulverized coal and LNG are blown from an upstream lance configured by a double tube, and oxygen is blown from a downstream lance on the downstream side in a hot air blast direction, so that oxygen used for preceding combustion of the LNG is supplied from the downstream lance, and the pulverized coal whose temperature has been increased by the combustion of the LNG is combusted along with the supplied oxygen. When a direction perpendicular to the hot air blast direction is designated as 0°, and a downstream direction and an upstream direction therefrom in the hot air blast direction are designated as positive and negative, respectively, a blowing direction of the oxygen from the downstream lance with respect to the blast direction ranges from −30° to +45°, and a blowing position of the oxygen from the downstream lance with reference to a position at which the upstream lance is inserted into a blast pipe ranges from 160° to 200° in terms of a blast pipe circumferential direction angle.

A folding sports chair for resistance training includes: a foldable chair frame, a pair of resistance mechanisms, and a first pad cross bar. The foldable chair frame further includes: a seat and a height-adjustable back. The height adjustable chair back is a component that allows the user to adjust the height of the back frame of the folding chair frame. The first pad cross bar is connected to the position of the foldable chair frame relative to the seat, and is used for supporting the user's back so that the user can move more comfortably. The pair of resistance mechanisms are located on both sides of the foldable chair frame and are used for implementing resistance exercise training.

The invention provides a gas generator ignition agent and a preparation method thereof, and a gas generator for a vehicle safety airbag. The gas generator ignition agent contains a fuel, an oxidant, abinder and an additive, wherein the additive is an oxazole-based energy-containing ionic compound. According to the present invention, by adding 5-aminotetrazole nitrate to a boron / potassium nitrateignition agent, on the basis of the ensuring of the combustion heat and the combustion temperature of the agent, the high-temperature and high-pressure gas amount can be increased, the output pressureof the ignition agent can be increased, and the output performance of the ignition pipe can be increased, such that the pressure starting time of the gas generator is advanced to less than 2 ms, andthe pressure value at 10 ms is increased by about 20 Kpa so as to improve the gas generating performance of the gas generator.

The invention relates to a method for reducing and smelting aluminum ore by using carbon heat and the nonferrous metal smelting furnace of the smelting aluminum ore, which belongs to the technical field of the metal ore smelting. The method is characterized in that the pellet preparation comprises the steps that, coal gangue, bauxite and waste fiber are crushed and levigated; binding agent is prepared; the powder or the short grained coal gangue and the bauxite are mixed uniformly with the fiber micro-particle in proportion; the mixture is made into the pellet by the binding agent; the pellet and the coke are put into smelting furnace alternatively. The smelting furnace is composed of a multi-hole melting zone connected with an air inlet pipe, a high temperature resistant furnace lining, a cooling atomizing sleeve, a pair of heating electrodes inserted at both sides of the smelting furnace bottom towards the centre and a cracking water burning chamber. After the method is applied, the polluted environment with black soot all over the sky is changed, and the distressed scene that the metal bearing slag is thrown away everywhere and the resources are wasted can be stopped; thus the resources is saved and used fully, and the environment is protected.

A method of producing a honeycomb structure includes producing a honeycomb structure using methyl cellulose as at least part of a binder, the methyl cellulose having a weight average molecular weight (Mw) of 4,000,000 to 5,000,000, and having an integral molecular weight distribution value of components having a molecular weight of 100,000 or less in the integral molecular weight distribution curve of 15 or less.

A copper rod production process of the present invention includes the following steps: 1) Copper melting process: use a copper plate preheating furnace to melt the copper plate into molten copper, during which the high-temperature exhaust gas after combustion is returned to the nozzle to preheat the outer air guide pipe and the gas in the inner air guide pipe, and increase the air pressure in the outer air guide pipe and the inner air guide pipe, and the gas flowing out through the nozzle enters the preheating chamber of the combustion chamber of the copper plate preheating furnace to preheat the copper plate to be melted; 2) casting rod Process: casting the molten copper on the surface of the core rod to generate a cast rod; 3) hot rolling process: hot rolling the cooled cast rod to generate a copper rod; 4) winding process: winding the above copper rod Make a circle. In the invention, the high-temperature exhaust gas is returned to the nozzle, and then flows out through the nozzle into the preheating chamber to preheat the copper plate, thereby realizing the recovery and utilization of heat and improving the utilization rate of heat.

The invention discloses a granular biomass fuel which comprises a biomass raw material and an additive, wherein the additive is calcium carbonate, magnesium carbonate or a mixture of calcium carbonate and magnesium carbonate; and the weight of the additive is 0.1%-1.8% of that of the biomass raw material. According to the granular biomass fuel disclosed by the invention, acidic volatile gas can be prevented from volatilizing into atmosphere; the problems of environmental pollution caused by the acidic volatile gas and insufficient combustion of the granular biomass fuel are solved; and the combustion efficiency of the granular biomass fuel is improved.

The invention relates to pure coal water slurry and a production method thereof, and provides the production method of the pure coal water slurry. The production method comprises the steps of soaking feed coal with an aqueous solution of hydrochloric acid / sulfuric acid, and an aqueous solution of hydrofluoric acid in sequence to remove ash in the feed coal, and then preparing coal water slurry from the processed feed coal. The pure coal water slurry produced according to the production method is high in combustion heat; smoke and dust generated during the combustion of the pure coal water slurry can meet national smoke and dust emission standards, without the treatment of any dust removing equipment; noncombustible coal ash and coal slag cannot be left; the pure coal water slurry can be used in areas with high environment protection requirements; the condition of fuel shortage can be beneficial for being alleviated.