8results about How to "Guaranteed combustion effect" patented technology

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.

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 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 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 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.