16results about How to "Burn faster" patented technology

The utility model discloses an ammonia gas stable combustion device which comprises a flame generator, an ammonia gas adding device and a pure oxygen adding device, the flame generator enables ignition fuel and oxygen to be mixed and combusted to generate flames, the ammonia gas adding device is used for adding ammonia gas to the outer side of the flames, the pure oxygen adding device is used for adding pure oxygen to the outer side of the ammonia gas, and the ammonia gas is stably combusted in a high-temperature area of the flames under the oxygen-enriched condition. According to the device, ignition fuel and oxygen are mixed and combusted to generate flames, the temperature of a high-temperature area of the flames reaches 2000 DEG C, ammonia gas and pure oxygen are heated and ignited, and the ammonia gas is high in combustion speed and not prone to flameout under the oxygen-enriched working condition, so that the ammonia gas can be stably combusted in the high-temperature area of the flames under the oxygen-enriched condition.

This invention provides an apparatus for oxygen-enriched roasting of lepidolite. The apparatus includes: a roasting furnace; a feed trough disposed on the roasting furnace, with a discharge trough at the bottom of the furnace, the outlet of which is sealed by a sealing plate; and a combustion assembly mounted on the roasting furnace for roasting the lepidolite. The apparatus for oxygen-enriched roasting of lepidolite provided by this invention prepares oxygen-enriched gas and fuel through an oxygen-enriched air preparation assembly, which then enters the roasting furnace for combustion. Because the fuel burns faster and more completely in an oxygen-enriched state, the emission of harmful gases is effectively reduced. The oxygen-enriched gas lowers the fuel's ignition point; under the same natural gas mass and flow rate, a higher oxygen content in the oxygen-enriched air results in a higher flame temperature, significantly improving the utilization rate of thermal energy.

The utility model discloses a kind of perforating device of bundled straw biomass fuel, including frame, and frame is provided with perforating device, and perforating device includes linear power mechanism, mounting seat and punch assembly, the end surface of mounting seat is connected with linear power mechanism, and the other end surface is provided with punch assembly;The bottom of frame is provided with the positioning assembly for positioning straw bundle, and linear power mechanism drives punch assembly to carry out punching operation to the straw bundle after positioning. Linear power mechanism includes any one in hydraulic cylinder, cylinder, electric cylinder, and hydraulic cylinder is connected with hydraulic pump group and control valve group, cylinder is equipped with gas source equipment and solenoid valve, electric cylinder is electrically connected with servo driver and controller. The utility model punches in straw bundle, obtains straw bundle with air hole, increases airflow flow in straw bundle, effectively improves the combustion efficiency of whole straw bundle, can effectively reduce the volume and structure of combustion furnace, reduces combustion furnace investment cost.

The utility model relates to metallurgical engineering technical field discloses a kind of waste treatment devices for metallurgical engineering, including incinerator, the right end of incinerator is fixedly connected with support plate, the bottom end of support plate is fixedly connected with motor, motor drive end is fixedly connected with driving shaft, the driving shaft is connected with driven shaft by transmission assembly, the driving shaft and the outer wall of driven shaft are rotationally connected in the inner wall of support plate, the upper portion of the outer wall of driving shaft and driven shaft is fixedly connected with half gear, the half gear is connected with placing frame by reciprocating assembly, the bottom end of placing frame is fixedly connected with iron grid, the top of incinerator is fixedly connected with exhaust pipe.In the utility model, the ash produced when waste is burned is shaken down, so that oxygen and unburned waste are in full contact, the burning speed is accelerated, the combustion efficiency is improved, and the active adsorption plate is conveniently disassembled, and the replacement efficiency of the active carbon adsorption plate is improved.

The application discloses a novel air premixing flue gas internal circulation ultra-low emission gas combustion device and relates to the technical field of burners.The application solves the problem of excessive initial emission of nitrogen oxides of the existing gas boiler.The main flame injection nozzle is externally sleeved with a main flame gas nozzle;the main flame gas nozzle is provided with a plurality of flue gas entraining holes;the air passage end is provided with an air passage necking portion;the end of the duty flame gas pipe extends into the gas mixing cylinder and is provided with a plurality of duty flame short pipes at the end;the duty flame gas pipe is internally provided with a duty flame nozzle;and the air premixing holes are arranged on the front pipe wall of the duty flame nozzle.The application completes the partial air premixing in the duty flame gas pipe, improves the duty class gas combustion speed, introduces the flue gas into the combustion device, increases the inert gas content in the combustion zone, dilutes the oxygen concentration through heat absorption of the flue gas, reduces the combustion speed and temperature, and thus inhibits the generation of NOx.

The utility model relates to the technical field of gas-fired boilers, in particular to a gas conveying device for boilers, which comprises a support frame, a return pipe, a gas conveying pipe group and a rotating structure, a right combustion chamber is fixedly connected inside the support frame, a cyclone separator is fixedly connected inside the support frame and positioned on one side of the combustion chamber, and a gas conveying pipe group is arranged inside the cyclone separator. The top of the combustion chamber is communicated with the cyclone separator through a pipeline, a backflow pipe is installed between the combustion chamber and the cyclone separator, one end of the backflow pipe is fixedly connected with the side wall of the combustion chamber, the other end of the backflow pipe is fixedly connected with the bottom of the cyclone separator, and the top of the cyclone separator is fixedly connected with an exhaust pipe. A fuel gas conveying pipe set used for conveying fuel gas and coal lock gas is installed at the bottom of the combustion chamber, a rotating structure used for mixing the fuel gas and the coal lock gas is installed in the combustion chamber, and the fuel gas conveying device for the boiler has the advantages of being efficient and accurate in fuel gas conveying and efficient and sufficient in fuel gas mixing.

This utility model discloses a portrait frame for the deceased, specifically relating to the field of funeral supplies technology. It includes a paper frame assembled by folding, which is then fixed by insertion or gluing through connecting holes to form a rectangular frame. The outer surface of the frame is covered with wood grain paper, fabric, or an environmentally friendly coating. This portrait frame uses recyclable corrugated cardboard or compressed cardboard as the frame material, combined with an environmentally friendly coating and low-VOC adhesive. During incineration, the emissions of dioxins, smoke, and other harmful substances are significantly lower than those of traditional wooden / PS frames. It also burns quickly with no solid residue, meeting the environmental protection requirements of funeral settings. It eliminates the need for complex processes such as painting and sanding, and can be formed through semi-cutting, folding, and insertion assembly, reducing equipment investment and labor costs. Furthermore, its detachable structure facilitates transportation and storage, and it is highly adaptable.

This invention discloses a low-NOx submerged combustion device and method for ammonia. The submerged combustion device includes a heating pool, an ammonia burner, a flue, and a heat exchange tube bundle; the heating pool is filled with liquid, and the flue and heat exchange tube bundle are submerged below the liquid surface; the combustion device also includes an ammonia regeneration tank, the lower part of which is located below the liquid surface in the heating pool, and the upper end extending beyond the top of the heating pool; the ammonia regeneration tank has two spray facilities on its side wall, the upper spray facility I is used to introduce and spray liquid above the liquid inlet into the ammonia regeneration tank, and the lower spray facility II is connected to the outlet of the aeration mixture pump; the ammonia burner is used for combustion under oxygen-deficient conditions. The low-NOx submerged combustion device of this invention can achieve efficient low-NOx combustion and simplifies the denitrification equipment required in traditional combustion systems.

The application discloses an ammonia-coal mixed combustion burner and a combustion process thereof, and relates to the technical field of industrial combustion, which comprises a primary combustion chamber and a secondary combustion chamber; the primary combustion chamber comprises: a primary main combustion chamber sleeve; a primary oxygen-enriched cyclone passage arranged in the interior of the primary main combustion chamber sleeve; and primary cyclone vanes arranged at the outlet of the primary oxygen-enriched cyclone passage and used for generating cyclone to mix ammonia fuel with oxygen-enriched gas; and a blunt structure is arranged at the ammonia fuel outlet of the primary burner to pre-mix the fuel with oxygen, which is a flame stabilizing device. The application forms a high-temperature concentrated flame core through the design of the staged combustion structure of the primary pre-reaction flame stabilization and the secondary outlet concentrated explosion combustion, the combustion flame is short and rigid, and the application is suitable for the burning zone of a cement kiln; meanwhile, the combustion speed of the pulverized coal can be obviously improved, rapid ignition and burnout can be realized in the high-temperature explosion zone, the radiation heat exchange capacity is strengthened, and the clinker burning process is facilitated.

This invention relates to the field of carbonaceous material reactor technology, specifically to a slag melter, comprising: a combustion aid distribution ring, which is a pipe arranged in a ring around the outer periphery of a discharger; a first pipe connected to the combustion aid distribution ring to introduce combustion aid; a gas-liquid fuel distribution ring, which is a pipe arranged in a ring around the outer periphery of the discharger; a second pipe connected to the gas-liquid fuel distribution ring to introduce gas-liquid fuel; multiple burners connected to both the combustion aid distribution ring and the gas-liquid fuel distribution ring; the multiple burners generate flames and high-temperature flue gas, which, in conjunction with the discharger, agitate, mix, oxidize, heat, and lift inorganic residues to produce molten liquid inorganic residues; this application distributes gas-liquid fuels and combustion aids as needed, fully mixes and combusts them, generates a stable high-temperature flame to agitate the inorganic residues according to operational needs, and adjusts the temperature of the inorganic residues, maintaining the slag level of the inorganic residues and ensuring smooth discharge.

The application relates to the technical field of energy storage, and discloses a thermal-chemical storage coupling oxygen-enriched combustion utilization system and method for waste heat of a thermal power plant, wherein a heat energy output end of high-temperature flue gas or steam bypass of the thermal power plant is connected to a heat energy input end of a thermal-chemical energy storage and release reaction unit, necessary heat energy is provided for an energy storage reactor, heat carried by flue gas of the thermal power plant and heat carried by steam which is easily wasted during low-load operation are fully utilized, the utilization efficiency of heat energy of the thermal power plant is improved, energy waste is reduced or avoided, the thermal-chemical energy storage and release reaction unit and an energy storage reaction material storage container are sequentially and circularly connected to form a loop, a thermal-chemical reaction product can be simply regenerated through an oxidation reaction, heat is released and recycled, and the waste heat of the thermal power plant is effectively stored and utilized, energy consumption is reduced, and energy is saved.

The utility model discloses a nozzle structure belongs to gas turbine technical field, specifically related to a kind of fuel nozzle of gas turbine, it include: nozzle main part, connecting body, small nozzle, nozzle cap subassembly and filling port subassembly;Connecting body is sleeved on nozzle main part and with nozzle main part inside is connected intercommunication, small nozzle is installed at the outlet of nozzle main part, nozzle cap subassembly is installed on nozzle main part and connecting body, filling port subassembly is installed on nozzle main part and is connected with small nozzle and is connected with nozzle main part inside;Nozzle cap subassembly includes: inner layer nozzle cap, second layer nozzle cap, third layer nozzle cap and outer layer nozzle cap;Filling port subassembly includes: first filling port, second filling port, third filling port, fourth filling port and fifth filling port, the utility model uses two kinds of fuel ignition, uses oil to ignite when starting, switch into gas after stable combustion, to prevent the problem of excessive gas pressure ignition failure.

The utility model discloses a high-speed low-nitrogen self-preheating burner which comprises a burner outer shell, a protective lining is installed in the burner outer shell, a tubular heat exchanger and a burner pipeline are installed in a heat storage inner container structure, a gas flow control mechanism is installed at the rear end of the burner pipeline, and a gas flow control mechanism is installed at the rear end of the burner pipeline. A flow sensor and a flow control valve are installed in the gas flow control mechanism. The tubular heat exchanger is adopted, smoke flows in the tube, air or fuel gas flows outside the tube, heat transfer is achieved in a heat conduction and convection mode, after preheated air or fuel gas enters the combustor, the ignition temperature of fuel can be reduced, the combustion speed and efficiency are improved, an accurate fuel gas flow control device is arranged, and the combustion efficiency is improved. And the flow sensor and the controller are adopted to monitor and control the flow of the fuel gas in real time, so that the burner always operates under the optimal combustion working condition, and the waste of the fuel gas is avoided.

The present application belongs to the technical field of thermal power generation and energy storage coupling, and relates to a coal power integration system and method of hydrogen-ammonia energy storage coupling dual-fuel gas turbine, comprising: a condensate system, a pure water preparation device, an electrolytic cell, a hydrogen buffer tank, an oxygen storage tank, an air separation nitrogen device, a hydrogen-ammonia synthesis reactor, an ammonia liquefaction cooling device, a liquid ammonia storage tank, a dual-fuel gas turbine, a fuel supply module, an energy storage control system and a plant power uninterrupted switching master control. During the low valley of the power grid, hydrogen and oxygen are prepared by electrolysis using the redundant power of the steam turbine, and part of the hydrogen and nitrogen are synthesized into liquid ammonia for storage; during the peak of the power grid, the dual-fuel gas turbine uses hydrogen or ammonia as fuel to generate power rapidly to support the peak; during daily operation, the gas turbine bears the plant power load, and the energy storage control system automatically adjusts the hydrogen production rate according to the fuel inventory and preferentially consumes green electricity. The present application improves the peak shaving flexibility, peak climbing speed, frequency modulation response capability and overall energy saving and consumption reduction level of the coal power integration system.

This invention relates to the C10L9 / 10 field of IPC classification, and particularly to a coal-saving catalyst for thermal power plants and its preparation method. The coal-saving catalyst, by mass percentage, comprises the following raw materials: 5-20% gluconate, 10-20% diol, 5-13% citrate, 3-10% oxygen-containing free radical organic matter, 1-3% molasses, 0.1-1% dispersant, and deionized water to make up the balance. The coal-saving catalyst prepared in this application has excellent effects in promoting coal combustion, reducing burnout, improving combustion efficiency, and reducing pollutant emissions. It also effectively enhances the mutual wetting effect of the coal system and strengthens the penetration of the coal-saving catalyst within the coal system. It is suitable for promotion in the thermal power field and has broad development prospects.

The invention relates to the technical field of gas control, in particular to an automatic control method for optimizing combustion of a hot blast stove based on gas prediction, which comprises the following steps of: estimating blast furnace gas generation amount, acquiring real-time operation parameters of blast furnace smelting, establishing a neural network model, outputting blast furnace gas prediction generation amount, and correcting the gas generation amount estimation. Performing blast furnace gas generation and use prediction, performing feature analysis through feature screening to obtain key influence factors, performing neural network model training, predicting the blast furnace gas by adopting LSTM (Long Short Term Memory) time sequence prediction, and outputting the generation amount or consumption amount in the future 30 minutes; the intelligent combustion of the hot blast stove comprises a gas flow measurement and calculation model, a vault temperature regulation and control model, a waste gas temperature regulation and control model and a high-calorific-value coal gas time-sharing combustion management and control model. Through precise prediction of gas generation amount, usage amount and equipment and in combination with a combustion control strategy, the energy utilization efficiency is improved, the hot air temperature is stabilized, gas consumption is reduced, and environmental pollution is reduced.