15results about How to "Guaranteed combustion effect" patented technology

The invention provides a sulfate-containing waste liquid treatment system and a sulfate-containing waste liquid treatment method for acrylonitrile and a combination device thereof, the system comprises at least two sets of waste liquid treatment units and a set of flue gas treatment unit, sulfate waste liquid is divided into two strands to enter the two sets of waste liquid treatment units for combustion, waste heat utilization and quenching purification, the discharged sulfur-containing flue gas is collected and enters a set of flue gas treatment unit, the sulfur-containing flue gas subjected to deep cooling, demisting and drying can be directly used for producing high-purity sulfuric acid, and a two-end and one-tail mode is adopted, so that the operation flexibility of the system is improved, and the treatment pressure is reduced. In the waste liquid treatment unit, a high-temperature reaction device adopts segmented air distribution, so that sufficient combustion of waste liquid is ensured, and SO2 loss is reduced; a special temperature field and structural design in the waste heat boiler can prevent the heat exchange device from scaling and blocking; a venturi scrubber is adopted in the quenching purification device to quench the flue gas, and a protective liquid film is formed on the contact interface of the high-temperature flue gas and a liquid phase, so that the temperature of equipment is effectively reduced, and corrosion of the high-temperature flue gas is prevented.

This invention relates to a commercial vehicle intake system and a commercial vehicle, belonging to the field of vehicle power systems. The technical solution is as follows: A commercial vehicle intake system includes an intake duct, an oil filter, and an air filter connected sequentially along the airflow direction. A water-screening assembly is installed within the air inlet of the intake duct, comprising a water-screening plate and a water collection hopper, the bottom of which connects to the outside of the intake duct. A tower-type water-filtering assembly is installed within the air outlet of the intake duct, comprising multiple stacked blades, with a first water collection trough below the blades. A swirl assembly is installed at the air inlet of the oil filter, comprising a swirl fan, with a second water collection trough below the fan. This solution, through a three-stage water removal assembly, gradually separates moisture from the air while simultaneously improving the removal capacity of dust and other impurities, significantly reducing the moisture and dust content of the air entering the oil filter and air filter, thus ensuring the service life of the oil filter and air filter and the combustion performance of the engine.

The utility model relates to the related technical field of spraying fireworks, in particular to a small modeling spraying firework which comprises a base and a main cylinder arranged on the base, the main cylinder is internally divided into a plurality of spraying cylinder cavities, the bottom of each spraying cylinder cavity is provided with a trigger extension assembly, the top end of each trigger extension assembly is provided with a movable plate, and the movable plate is connected with the base. A gunpowder layer is installed at the top end of the movable plate, a main lead is arranged in the base, an auxiliary lead is arranged in a cavity of the firework spraying cylinder, one end of the auxiliary lead is connected with the main lead, the other end of the auxiliary lead is connected with the gunpowder layer, and when the auxiliary lead is ignited, the trigger extension assembly can be driven to operate, and then the gunpowder layer is ignited. And the gunpowder layer is driven by the movable plate to move upwards while burning, so that the burning effect of the whole gunpowder layer is guaranteed, and the spraying decoration effect is better.

This application relates to a hydrogen-blended combustion system for a coal-fired power boiler and a method for operating the system. The method includes: acquiring the operating status information of the coal-fired power unit; determining the operating stage of the unit based on the operating status information; during a deep peak-shaving period, controlling the pulverized coal-hydrogen mixed burner in the main combustion zone to blend hydrogen for combustion, assisting in stable combustion at low loads; during a period of rapid load increase, controlling both the pulverized coal-hydrogen mixed burner in the main combustion zone and the pure hydrogen burner in the burnout zone to simultaneously blend hydrogen, rapidly increasing the boiler's thermal load; and during a period requiring peak load, controlling both the pulverized coal-hydrogen mixed burner in the main combustion zone and the pure hydrogen burner in the burnout zone to simultaneously blend hydrogen, enhancing the unit's constant load capacity. This effectively improves the dynamic load adaptability of the coal-fired power unit and ensures the combustion effect of the coal-fired power boiler.

The application aims to provide a superheat control type ammonia fuel supply system based on fuel activity design, belonging to the field of fuel supply, comprising a liquid ammonia common rail type supply system, a diesel common rail type supply system, a fuel injection device, a superheat control unit and other components of an engine. Hydroxyl-rich gas is used as a combustion-supporting agent instead of pure hydrogen fuel. The safety of the system is ensured, the dynamic thermal management characteristics during engine operation are fully considered, ammonia fuel superheat control is performed, and the direct control form of the sleeve type valve rod strong magnetic force electromagnetic actuator is adopted for the ammonia fuel injection of the application, realizing high response and precise injection of the double fluid mixed gas. The electromagnetic actuator structure of the multi-hole valve rod is adopted to realize the rapid response of the control valve and the separation of the servo oil circuit and the supply oil circuit; the new valve rod structure is adopted to reduce the weight of the valve and the electromagnetic force demand, improve the response performance, and fundamentally avoid the cavitation problem caused by the traditional control valve structure.

This invention relates to a commercial vehicle air intake assembly and a commercial vehicle, belonging to the field of vehicle power systems. The technical solution is as follows: a commercial vehicle air intake assembly includes an air intake body, within which a water screening component, a water filtering component, and a vortex component are provided. The water screening component includes a water screening plate and a water collecting hopper, the bottom of which connects to the outside of the air intake body. The water filtering component includes multiple stacked blades, with a first water collecting groove below the blades, which connects to the outside of the air intake body. The vortex component is located below the water filtering component, and a second water collecting groove is also provided below the vortex component, connected to the outside of the air intake body through the first water collecting groove. This solution, through a three-stage water removal assembly, gradually separates moisture from the air while simultaneously improving the removal capacity of dust and other impurities, significantly reducing the moisture and dust content of the air entering the oil filter and air filter, thus ensuring the service life of the oil filter and air filter and the combustion performance of the engine.

The invention relates to the technical field of annealing furnaces, and discloses a bell-type annealing furnace which comprises a base, a furnace body and a furnace cover, an inner cover; a combustion cavity is formed between the outer cover and the inner cover, and a heat exchanger communicated with the combustion cavity is arranged on the outer cover; the smoke exhaust pipe is communicated with the inner cavity of the heat exchanger, and an opening adjusting valve is arranged on the smoke exhaust pipe; one end of the combustion-supporting air inlet pipe is communicated with an air outlet of the fan, and the other end of the combustion-supporting air inlet pipe penetrates through the heat exchanger and is communicated with the burner through a pressure-stabilizing pipe; the pressurizing pipe is communicated with the area, penetrating out of the heat exchanger, of the combustion-supporting air inlet pipe and the pressure stabilizing pipe, and the combustion-supporting air inlet pipe is provided with a one-way valve corresponding to the pressurizing pipe; and the compressed air pipe is communicated with the pressure stabilizing pipe. According to the bell-type annealing furnace provided by the invention, the opening adjusting valve is arranged, so that the air pressure in the combustion cavity is kept to be micro-positive pressure, and the air pressure in the combustion cavity is prevented from being too low or too high; and by arranging the pressurizing pipe and the compressed air pipe, the air pressure of the combustion-supporting air in the pressure stabilizing pipe is increased, and therefore the oxygen content in the unit volume is increased.

The present invention provides a circulating fluidized bed boiler multi-fuel efficient blending system, which relates to the technical field of boiler blending devices, including: a boiler body; two rectangular block-shaped support blocks are welded on the bottom end surface of the boiler body. The present application sets up auxiliary parts, first, it can realize the gas supply for combustion through a booster fan; second, while realizing the gas supply for combustion, it can realize the auxiliary push inside the boiler body of multiple fuel tanks; third, due to the internal combustion, the gas expands, and the expanded gas is easy to flow back. Through the gas supply of the booster fan, the exhaust gas backflow can be avoided to cause pollution; fourth, when the first discharge pipe is blocked, the three-way valve is adjusted, and then the booster fan is started, at this time, the first discharge pipe can be cleared, which solves the problem that although the existing device can be blended, it cannot achieve sufficient blending of multiple fuels through one structure through structural improvements to achieve the purpose of low cost and high blending efficiency.

The utility model discloses a gas valve capable of discharging liquid, and relates to the technical field of gas valves. The gas-liquid separation valve comprises a valve body and a gas-liquid separation chamber, the gas-liquid separation chamber is welded on the lower surface of the valve body, the upper end of the gas-liquid separation chamber is communicated with the interior of the valve body, a floating ball is movably installed in the gas-liquid separation chamber, a flow guide channel is obliquely arranged on one surface of the gas-liquid separation chamber, and one end of the flow guide channel is communicated with the interior of the gas-liquid separation chamber. A valve port is installed in the flow guide channel, a valve element is rotatably installed in the valve body, one end of the valve body is sleeved with a first valve seat, and the other end of the valve body is sleeved with a second valve seat. By means of the gas-liquid separation chamber, the floating ball and the flow guide channel structure, water carried in the gas fuel transportation process can be conveniently collected into the gas-liquid separation chamber and then discharged through the flow guide channel, separated discharging of gas and liquid is achieved, and the combustion effect of the gas is guaranteed.

The application relates to the technical field of gas stoves, and discloses a gas distribution disc, which comprises a plurality of radial gas inlet channels extending along a radial direction, at least one radial gas inlet channel is connected with at least two gas distribution channels located on non-adjacent ring lines, and the gas inlet channels comprise one or more of the following: a first gas inlet channel, an air inlet end of which is arranged on a center side, and an air outlet end of which is arranged on a circumferential side; a second gas inlet channel, an air inlet end of which is arranged on a circumferential side, and an air outlet end of which at least comprises a center side; and a third gas inlet channel, an air inlet end of which is arranged on a middle ring, and an air outlet end of which at least comprises a center side and a circumferential side. The gas distribution disc provided by the embodiment of the application is provided with one or more different gas inlet channel structure forms, can improve the uniformity of gas distribution to different gas distribution channels and the stability of gas flow and pressure, and can effectively guarantee the combustion effect of the gas stove. The application further discloses a burner and a gas stove.

The invention discloses a tar self-cleaning type coke oven gas burner. The burner comprises a shell and an inner container, the inner container is arranged in the shell, and an interlayer cavity is formed between the inner container and the shell. Wherein an inner space defined by the inner container is a coke oven gas channel. An inner space defined by the interlayer cavity is a combustion-supporting air channel. And a porous medium layer is arranged in the coke oven gas channel. The combustor further comprises a decoking oxygen pipeline. And the decoking oxygen pipeline extends into the shell from the outside and penetrates through the combustion-supporting air channel to be connected with the porous medium layer. By adopting the coke oven gas burner disclosed by the invention, off-line or on-line tar cleaning can be carried out without stopping gas, so that the problems of process product quality reduction, energy waste, operation danger and the like in the prior art are avoided, and continuous and stable supply of high-quality coke oven gas is ensured; and normal operation of the coke oven gas burner and the industrial furnace is maintained.

The application discloses a hydrogen injection strategy optimization method for a dual-fuel X-type rotor engine, obtains geometric parameters of the X-type rotor engine, establishes a CDF fluid simulation model of a dual-fuel X-type rotor engine with gasoline intake port premixing and hydrogen in-cylinder direct injection, determines engine ignition parameters and operating conditions of a single hydrogen injection strategy, and obtains, through simulation calculation, a hydrogen injection time point at which a hydrogen distribution area is maximum and a hydrogen injection time point at which a flame front area is maximum. Under the condition that the hydrogen injection total amount at the two hydrogen injection time points is the same as that of the single hydrogen injection strategy and the hydrogen injection mass fraction at the two hydrogen injection time points is taken as a variable, the hydrogen injection mass fraction corresponding to the hydrogen injection time point at which the hydrogen distribution area is maximum and the hydrogen injection mass fraction corresponding to the hydrogen injection time point at which the flame front area is maximum are obtained through simulation calculation, an optimal two-stage hydrogen direct injection strategy of the dual-fuel X-type rotor engine is obtained, and the thermal efficiency and emission performance of the rotor engine are improved.

The invention relates to the technical field of boiler powder conveying and discloses a pulverized coal conveying system which comprises a coal mill, a pulverized coal bin and a vibrating screen, the top end of the coal mill is provided with a first coal inlet, a second coal inlet and a pulverized coal outlet, the first coal inlet is used for being communicated with a coal outlet of a coal feeder, the top end of the pulverized coal bin is provided with a feeding port, and the second coal inlet is used for being communicated with a coal outlet of a coal feeder. The pulverized coal bin is provided with a feed port and a second coal inlet, the feed port is communicated with the pulverized coal outlet, the bottom end of the pulverized coal bin is provided with a first discharge port, the bin side wall of the pulverized coal bin is provided with a second discharge port, the second discharge port is communicated with the second coal inlet, and the vibrating screen is obliquely arranged in the pulverized coal bin and located below the feed port. The qualified pulverized coal meeting the particle size requirement is stored in the pulverized coal bin and is subsequently used for providing the qualified pulverized coal meeting the particle size requirement for the boiler for normal combustion of the boiler, the combustion performance of the boiler can be guaranteed, the combustion performance of the boiler can reach the standard, and the combustion reliability of the boiler can be improved.

The utility model relates to an elastic ignition assembly for a moxa cone, and belongs to the technical field of moxibustion equipment. Comprising a combustion chamber and further comprises an electric heating rod arranged in the combustion chamber, the electric heating rod is horizontally arranged and extends to the center of the combustion chamber, and a guide part sliding in the vertical direction is arranged between the part, away from the center of the combustion chamber, of the electric heating rod and the bottom face of the combustion chamber. And elastic pieces are arranged between the electric heating rods and the bottom surface of the combustion chamber. By means of the electric heating rod, the problems that in the prior art, ignition is insufficient due to shaking when the electric heating rod is pushed to a designated position, and moxa cakes are dislocated due to shaking in the using process are solved.

The utility model provides a lightweight aggregate calcining device. The lightweight aggregate calcining device comprises a segmented heating furnace body, a waste heat circulating module, a spiral conveyor and a cooling module, the segmented heating furnace body is divided into a preheating section, a main calcining section and a slow cooling section which are connected in sequence through a heat insulation assembly. The preheating section is provided with an electric heating part, the main calcining section is provided with a combustor, and the slow cooling section is provided with a cooling part. The upper portion of the kiln head is communicated with an outlet of the raw material pretreatment device, and a ventilation opening is formed in the lower portion of the kiln head. The kiln tail is connected with an inlet of the screw conveyor, and the screw conveyor is used for conveying the calcined lightweight aggregate to the cooling module for cooling and shaping. The waste heat circulation module comprises a first circulation pipeline arranged between the two heat insulation assemblies and a second circulation pipeline arranged between the slow cooling section and the ventilation opening. According to the utility model, multi-section gradient heating is adopted, so that local over-burning or under-burning is avoided. Heat insulation of all the sections is achieved, high-precision temperature control is achieved, and the stability of the partition temperature and the uniformity of gradient distribution are ensured.