42results about How to "Promote atomization" patented technology

The invention provides a dual-fuel ring vortex combustor which comprises an annular structure formed by splicing a plurality of combustors, each combustor comprises a hydrogen pipeline, a gas collection tank and a U-shaped flame tube, at least one hydrogen hole, at least one kerosene nozzle and at least one air hole are formed in each U-shaped flame tube, the hydrogen holes are covered with the gas collection tanks, and the kerosene nozzles are arranged on the gas collection tanks. The hydrogen pipeline is communicated with the hydrogen hole through the gas collection tank. According to the dual-fuel ring vortex combustor, the ignition performance can be improved, combustion at the ignition nozzle can be enhanced, atomization of kerosene is further promoted, and the combustion efficiency and stable flame flowing can be improved; kerosene can be in full contact with hydrogen gas, so that more uniform mixing of double fuels is realized; and the guide plate is cooled, so that the ablation resistance of the high-temperature alloy of the guide plate is improved, and the service life of the high-temperature alloy of the guide plate is prolonged.

The utility model discloses an epitaxial growth ring bearing jig. The epitaxial growth ring bearing jig comprises a growth disc and a growth ring, the growth disc comprises a base and a step part protruding out of the upper surface of the base. The growth ring is arranged on the periphery of the growth disc in a surrounding mode and comprises an upper sealing part and a lower sealing part which are connected with each other. The upper sealing part covers one part of the upper surface of the step part in parallel, and the upper sealing part and one part of the upper surface of the step part are arranged at intervals to form a containing groove, so that the substrate in the containing groove and the upper sealing part are arranged hermetically. One end of the lower sealing part is connected with one end, close to the edge of the growth disc, of the upper sealing part, the other end of the lower sealing part extends to the bottom of the peripheral surface of the base towards the base, and the lower sealing part is close to the peripheral surface of the growth disc, so that the lower sealing part is sealed with the peripheral surface of the growth disc. According to the epitaxial growth ring bearing jig provided by the utility model, the substrate atomization phenomenon is improved, the working procedures are reduced, the input cost is reduced, the yield of the epitaxial layer of the substrate is improved, and the shipment efficiency is improved.

The invention provides a device for controlling and collecting flying dust during cutting of plates on a construction site. The device comprises a three-way tank body, a hedging mechanism and an atomizing mechanism, a transverse air inlet is formed in the three-way tank body; the hedging mechanism comprises a partition plate, an air flow pipe and a hedging jet head, and the partition plate is fixedly arranged at the air inlet; when flying dust airflow enters from the air inlet, the flying dust airflow can enter the upper side air opening structure and the lower side air opening structure, the flying dust airflow entering the lower side air opening structure can be transmitted to the hedging jet head through the airflow pipe, and the airflow exhausted by the hedging jet head collides with the flying dust airflow flowing into the upper side air opening structure. And then the upper spraying head and the lower spraying head conduct spraying again to adsorb the flying dust airflow, due to the fact that the flowing speed of the flying dust airflow is slowed down, the atomization particles can better adsorb flying dust particles in the flying dust airflow, the atomization effect is improved, and the purpose of improving the flying dust treatment effect is achieved.

The utility model discloses a powder spraying device capable of uniformly spraying powder, which comprises a bearing plate, a supporting box body is fixedly arranged above the bearing plate through a bolt fastener, a control box body is stably and fixedly arranged at the top of the supporting box body, an oil-water separator is arranged on one side of the supporting box body, and a water outlet is formed in the other side of the supporting box body. A main air inlet seat is specially arranged on the rear side of the control box body, an air inlet pipe is connected to the upper portion of the main air inlet seat, a vulcanizing powder barrel device is further placed on the upper portion of the bearing plate, a powder suction rod stretches into the vulcanizing powder barrel device to suck powder, the powder is conveyed to a spray gun through a wheel cylinder body and a powder conveying pipe, it is guaranteed that the powder is conveyed stably and continuously, and a foundation is laid for uniform powder spraying. The fluidizer enables powder to uniformly enter a gun and avoid caking, the adjusting static knob on the box body is controlled to accurately adjust static parameters, the powder is uniformly attached to a workpiece, the atomization adjusting valve accurately adjusts atomization parameters, the powder is atomized well and diffused uniformly, uniform distribution in the whole powder spraying process is achieved, and the powder spraying quality is improved.

The invention provides an atomization device, an atomization method and application, and belongs to the technical field of atomization. The device comprises an acoustic vortex generation system used for generating a vortex ultrasonic field; and the liquid supply system is used for conveying an atomizing medium into the vortex ultrasonic field. The vortex ultrasonic field is generated through the sound vortex generation system, the vortex ultrasonic field has the ultrasonic standing wave field atomization capacity and the centrifugal atomization capacity at the same time to atomize the atomization medium, and the ultrasonic vortex atomization device has wide application prospects in the fields of common liquid atomization, metal powder preparation and the like.

The utility model discloses an atomization humidifier convenient to install for oyster mushroom cultivation, which relates to the technical field of oyster mushroom cultivation and comprises two groups of fixed rods, movable rods are arranged at the upper ends of the two groups of fixed rods, connecting blocks are arranged at the upper ends of the two groups of movable rods, and a top cross rod is arranged between the side walls of the two groups of connecting blocks. A plurality of groups of mounting rings are arranged at the front end of the top cross rod, a flow dividing pipe is arranged in the middle of the mounting rings, a plurality of groups of atomizing nozzles are arranged on the outer wall of the front end of the flow dividing pipe, a connecting hose is arranged at one end of the flow dividing pipe, a water storage barrel is arranged at the lower end of the connecting hose, and a mounting pipe is arranged in the water storage barrel; a water pump is arranged at the lower end of the mounting pipe. According to the atomization humidifier convenient to install for oyster mushroom cultivation, the position of the atomization spray head can be adjusted, the distance between the atomization spray head and the oyster mushroom cultivation frame can be adjusted according to requirements, and atomization is more sufficient and even.

A calculation method and storage medium for an atomizer core and a liquid guide hole. The atomizer core includes: a liquid storage bin, a liquid guide medium, and an atomizer assembly. The liquid storage bin is used to store atomized liquid. The liquid guide hole is provided on the bin wall of the liquid storage bin. The atomized liquid in the liquid storage bin penetrates into the liquid guide medium through the liquid guide hole. The liquid guide medium is used to adsorb the atomized liquid. The atomizer assembly is used to atomize the atomized liquid adsorbed by the liquid guide medium. The proportion of the liquid guide hole relative to the adsorption surface of the liquid guide medium is greater than or equal to the first proportion, and less than or equal to the second proportion. By setting the size of the liquid guide hole within a reasonable range, it is ensured that there is no leakage when standing still, and the atomization effect is good when working.

The utility model discloses a gasoline engine capable of being efficiently started in an ultralow-temperature environment. The gasoline engine comprises a gasoline engine body, an air inlet chamber arranged at the top end of the gasoline engine body, an air inlet pipeline connected to one side of the gasoline engine body and an air inlet pipe base arranged at the top end of the air inlet pipeline and communicated with the air inlet chamber. A preheating ring sleeve is mounted on the surface of the air inlet pipe seat in a sleeving manner, an annular inner groove is formed in the inner wall of the preheating ring sleeve, and an electric heating ring is mounted on the inner side of the annular inner groove; a heat conduction structure corresponding to the electric heating ring is arranged on the air inlet pipe seat; a gasoline engine in the prior art is improved and optimized, the preheating electric heating ring is designed and integrated on the air inlet pipe seat of the gasoline engine, and the preheating electric heating ring is ingeniously matched with a heat conduction structure in the pipe seat, so that the purpose of preheating air passing through the air inlet pipe seat is achieved, the temperature of the air entering an air cylinder is effectively increased, and the service life of the air cylinder is prolonged. The starting performance and efficiency of the gasoline engine in the ultralow-temperature environment can be remarkably improved, fuel oil atomization is effectively promoted, and the ignition success rate is increased.

This invention relates to a nebulized inhalation device, specifically to the field of nebulized inhalation device technology. The device includes a housing with a servo motor fixedly mounted thereon. The housing also includes a stirring assembly for agitating a medicinal solution. The stirring assembly includes a rotating shaft fixedly connected to the output shaft of the servo motor. A connecting cylinder is fixedly mounted on the rotating shaft, and a rotating ring is sleeved on the connecting cylinder. Stirring blades are circumferentially and uniformly fixed to both sides of the rotating ring, near and away from the servo motor. The rotation of the stirring blades agitates the medication within the housing, preventing sedimentation, maintaining efficacy, and allowing for thorough mixing of different medications, thus improving medication utilization efficiency. Furthermore, the rotation of the stirring blades enhances the impact of the airflow on the medication, improving atomization and reducing medication residue.

The utility model discloses a double-fluid water mist spray head which comprises a spray head body, one end of the spray head body is connected with a communicating bin, one end of the communicating bin is connected with an airflow pipe, one side of the communicating bin is connected with a liquid flow pipe, and one end of the airflow pipe and one end of the liquid flow pipe are provided with a speed adjusting device. The speed adjusting device comprises a rotating sleeve, a sliding groove, a sliding block, a sliding plate, a linkage sleeve, a moving rod, a moving sleeve, a matching sleeve and a thrust bearing, the sliding groove is obliquely formed in the liquid flow pipe and the air flow pipe, the sliding block is connected to one side of the sliding plate, the thrust bearing is connected with the linkage sleeve and the matching sleeve, the moving rod is sleeved with the moving sleeve, and the sliding rod is sleeved with the matching sleeve. The outer wall of the matching sleeve is connected with the inner wall of the liquid flow pipe and the inner wall of the air flow pipe through threads, a locking mechanism is arranged on the outer side of the liquid flow pipe and the outer side of the air flow pipe, and the locking mechanism comprises a locking sleeve, a control panel, a control groove, a control hole, a shifting rod, a shifting plate, a locking spring, a locking block and a stop block. The flow velocity adjusting mechanism has flow velocity adjusting flexibility and adjusting mechanism stability.

The present invention relates to a coating composition which is an anticorrosive paint for ship structures and can be coated by a regular airless painting machine, and is solvent-free or contains a low solvent content. The coating composition according to an embodiment of the present invention may exhibit excellent pot life, atomization and drying time, and is eco-friendly due to having a high solid content and thus lower VOC emissions.

The utility model discloses a heating piece embedded glass atomizing core, is equipped with a plurality of oil guiding holes that are penetrated from top to bottom in the oil guiding area, a plurality of micro pits are interconnected, the top wall of heating layer installation groove is equipped with the micro groove that is connected with the oil guiding hole and micro pit, the heating atomizing piece is fixed in the heating layer installation groove, a plurality of atomizing holes are arranged in the oil guiding area of the heating atomizing piece, the micro pit, the micro groove and the heating atomizing piece form the oil storage gap, the leakage prevention piece is fixed on the top of the oil guiding base plate, a plurality of leakage prevention holes are arranged in the oil guiding area of the leakage prevention piece, the diameter of the leakage prevention hole is smaller than the diameter of the oil guiding hole, and the diameter of the leakage prevention hole is 0.01-0.05 mm. The utility model discloses the micro pit, the micro groove and the heating atomizing piece form the oil storage gap, when the atomizing agent seeps from the oil guiding hole, in addition to seeping into the atomizing hole, it also seeps into the oil storage gap, so that the heated atomizing agent is increased, thereby increasing the atomizing amount, and the reduction effect is more sufficient, and the atomizing effect is better.

The application discloses an ultrasonic atomizer and a power control method of ultrasonic atomization. The ultrasonic atomizer comprises a liquid storage cavity, an ultrasonic atomizing piece, a control circuit and a power supply. The liquid storage cavity is used for storing a liquid matrix. The ultrasonic atomizing piece is used for generating oscillation to atomize the liquid matrix. The control circuit is configured to: in the working process of the ultrasonic atomizing piece, acquire a current flowing through the ultrasonic atomizing piece, and determine a target working voltage of the ultrasonic atomizing piece according to the current flowing through the ultrasonic atomizing piece and a target working power; and adjust a voltage provided by the power supply to provide the target working voltage for the ultrasonic atomizing piece. In this way, the corresponding working voltage can be continuously matched for the ultrasonic atomizing piece based on the target working power, so that the ultrasonic atomizing piece has better atomization effect and higher working efficiency.

The utility model relates to a compact electronic injection throttle valve body which is characterized in that the compact electronic injection throttle valve body comprises a body with a lower air inlet and an upper air outlet, the lower air inlet and the upper air outlet are communicated to form a cylindrical channel, an oil injection pipeline is arranged on the side portion of the body, and the axis of the oil injection pipeline and the axis of the cylindrical channel intersect outside the body. An outlet of the oil injection pipeline is formed in the position, close to the upper air outlet, of the wall face of the cylindrical channel, an inlet of the oil injection pipeline is sequentially connected with an oil inlet control valve and an oil inlet pipeline which are coaxial with the oil injection pipeline, the first end of the oil inlet control valve abuts against the inlet of the oil injection pipeline, and the second end of the oil inlet control valve abuts against the outlet of the oil inlet pipeline. Lugs perpendicular to the axis of the oil inlet pipeline are arranged on the two sides of the oil inlet pipeline. The compact electronic injection throttle valve body is reasonable in design, and mixed injection of oil and gas is facilitated.

The present invention discloses a uniform heating atomization control method with pulse electrode alternating switching, which comprises: in the process of smoking a heating non-combustion device, counting the number of puffs to obtain the puff number information; generating a pulse enable signal according to the puff number information; generating a high-voltage electrical signal according to the pulse enable signal; switching between multiple negative electrodes of a pulse output electrode according to the puff number information and the pulse enable signal, so that the positive electrode of the pulse output electrode is connected to the gated negative electrode, and the high-voltage electrical signal generates a high-voltage arc in the air between the positive electrode of the pulse output electrode and the gated negative electrode, thereby realizing pulse atomization. The uniform heating atomization control method with pulse electrode alternating switching of the present invention adopts an electrode switch rotating pulse ignition mode to realize uniform heating atomization of a heating device, can heat tobacco slices in different directions, and has the advantages of rapid heating, uniform atomization, and high heating efficiency, and can also improve the consistency of atomization of the slices and ensure the smoking taste.

The utility model discloses an induction aromatherapy night lamp which is characterized in that an induction aromatherapy night lamp body comprises a base and a bionic shell, and an essence machine and a control unit are arranged in the induction aromatherapy night lamp body; an LED lamp is arranged in the bionic shell, an infrared sensor is arranged on the biological eye portion of the bionic shell, the essence machine is connected with the essence volatilization pipe through a top guide pipe, and the infrared sensor, the LED lamp, the essence machine and the control unit are electrically connected and controlled by the control unit. When the human body passes through the sensing range of the infrared sensor, on the other hand, the control unit starts the essence machine to heat, and essence in the machine is heated and is emitted through the essence volatilization pipe, so that fragrance waste is prevented, and the aromatherapy experience of a user is improved; and on the other hand, the control unit starts the LED lamp to be turned on, the visual effect of the product is improved, and the function of a night lamp can be achieved.

The application discloses an engine combustion control method, and relates to the technical field of engine control, which comprises the following steps: obtaining a current intercooled mixture temperature at an outlet of an intercooler; when the current intercooled mixture temperature is less than a preset temperature threshold, controlling engine coolant to flow into the intercooler through a heating passage to heat the mixture in the intercooler by using the engine coolant; determining a target ignition angle corresponding to the current intercooled mixture temperature from a preset mapping relationship between the intercooled mixture temperature and the ignition angle based on the current intercooled mixture temperature; and controlling an ignition device to perform an ignition action based on the target ignition angle. The application actively heats the low-temperature mixture by using the engine coolant and synchronously corrects the ignition angle, thereby improving the mixture atomization quality and the combustion rate under a low-temperature working condition, improving the combustion stability, and improving the thermal efficiency of the engine.

The building curtain wall engineering dust removal device comprises a water storage tank, a power source is fixedly connected to one side of the inner bottom face of the water storage tank, a small motor is fixedly connected to the side, away from the inner side wall of the water storage tank, of the power source, and a rotating shaft is arranged on the upper portion of the small motor. Fan blades are fixedly connected to the side, away from the small motor, of the rotating shaft, a water pump base is fixedly connected to the other side of the inner bottom face of the water storage tank, a water pump is fixedly connected to the side, away from the inner bottom face of the water storage tank, of the water pump base, a water outlet pipe is fixedly connected to the water outlet side of the water pump, and a water outlet rod is fixedly connected to one end of the water outlet pipe; the other end of the water outlet rod is fixedly connected with a cleaner, a branch pipe is arranged in the cleaner, one end of the branch pipe is connected with the water outlet rod, and the other end of the branch pipe is connected with the water outlet. The cleaning agent can be automatically stirred, water is atomized and sprayed out through the water outlet, and meanwhile efficient dust removal is achieved through a three-layer dust removal structure.

The invention discloses a steel slag rolling and crushing area dust removal system which comprises a rolling and crushing chamber, a water mist generating device, a coarse particle separating and returning device, a dust removal pipeline and wet dust removal equipment, and the rolling and crushing chamber is located above a rolling and crushing bed and used for collecting smoke dust generated during rolling and crushing of steel slag; a plurality of water mist generating devices are arranged in the rolling crushing chamber and spray high-speed aerial fog above the rolling vehicle, one side of the top of the rolling crushing chamber is connected with a coarse particle separation and return device, and the side face of the coarse particle separation and return device is connected with wet dust removal equipment through a dust removal pipeline. Coarse particle impurities generated by the coarse particle separation and return device are discharged through the ash discharge chute and return to the rolling and crushing bed again. The problem of flying dust overflow caused in the existing converter slag grinding and crushing process is solved, the air volume of a dust removal system can be reduced, the operation energy consumption cost of the system is reduced, and therefore the purposes of energy conservation and emission reduction are achieved.

The utility model provides a misty spray head, including the spray head main part and the inner nozzle, the inside of spray head main part is equipped with gas flow channel, liquid flow channel and mixed flow channel, there is the intercommunication mouth of realization intercommunication between gas flow channel with liquid flow channel, after the intercommunication of gas flow channel with liquid flow channel intercommunication, in mixed flow channel, fluid passageway is set in the inner nozzle, the inner nozzle is built -in installation in gas flow channel, the intercommunication mouth is located one side of inner nozzle. This misty spray head compact structure, gas flow channel, liquid flow channel and mixed flow channel are integratedly arranged in the inside of spray head main part, and the inner nozzle is built -in installation in gas flow channel, only need to connect the external connector, and the spray head body and each flow channel are simple to operate, and the spray head atomization effect is good.

The utility model discloses an atomization testing device special for an injector. The atomization testing device comprises a cart, a silencer and a testing assembly. The testing assembly has two paths, namely an oxygen path assembly and a combustion path assembly; the oxygen path assembly comprises an oxygen path pressure storage tank, an oxygen path pressure controller, an oxygen path pressure gauge, an oxygen path flowmeter, an oxygen path filter, an oxygen path safety valve and an oxygen path funnel; the combustion path assembly comprises a combustion path pressure storage tank, a combustion path pressure controller, a combustion path pressure gauge, a combustion path flowmeter, a combustion path filter, a combustion path safety valve and a combustion path funnel. Deionized water is used as a propellant working medium, an oxygen path and a combustion path are simulated, the front pressure of the injector is changed by adjusting the pressure controller, the flow of the deionized water passing through the injector is measured through the flow meter, the atomization state is photographed and recorded, and the relation between the flow of the deionized water of the injector and the pressure drop is measured. The pressure drop under the rated deionized water flow is obtained, and the flow, the pressure drop and the atomization effect of the injector are tested and verified at the same time.

The invention provides Zhundong coal water-coal slurry and a preparation method thereof, and particularly discloses the water-coal slurry which comprises the following components in parts by mass: 55-65 parts of mixed coal powder, 35-45 parts of water and 0.01-3 parts of a dispersing agent, the mixed pulverized coal comprises particles A, particles B and particles C; the particles A and the particles B are Zhundong pulverized coal particles, and the particles C are selected from one or more of Zhundong pulverized coal particles, Shenfu pulverized coal particles, petroleum coke, bituminous coal particles, anthracite particles, carbon spheres, silicon dioxide or aluminum oxide; the mass ratio of the particles A to the particles B to the particles C is 6: (0.7-1.3): (2-4); the dispersing agent is naphthalene sulfonate. The Zhundong coal water slurry provided by the invention is low in viscosity, good in fluidity, high in slurry concentration and high in carbon conversion rate when being used for gasification.

The application discloses a novel fuel regenerative cooling structure of a combined nozzle, which comprises a curved section and straight pipe sections; one side of the straight pipe sections is configured as an inlet far from one end of the curved section, and the other side of the straight pipe sections is configured as an outlet far from the other end of the curved section; an upper pipe heating channel and a lower pipe heating channel are formed in the cooling structure; and a communication hole for connecting the upper pipe heating channel and the lower pipe heating channel is arranged at the curved section. The cooling structure is provided with the communication hole for connecting the upper and lower pipe heating channels, and the improved U-shaped structure of the liquid collecting cavity, which effectively alleviates the uneven flow distribution phenomenon of the curved parallel channels of the nozzle wall surface, reduces the local high temperature of the nozzle wall surface, effectively reduces the average temperature of the nozzle wall surface, avoids the nozzle damage caused by the local over-temperature, and meanwhile, the fuel temperature entering the combustion chamber is increased, the small molecular substances generated by the fuel cracking are easy to be atomized, and the combustion efficiency is improved.

The present invention discloses an anti-dry burning identification application for atomizers, which is specifically as follows: (1) the atomization circuit in the atomizer is used as a switch circuit, a sampling resistor is set on the branch of the switch circuit, and the circuit resonance signal is detected; (2) when the atomizer is turned on, the frequency of the atomizer sheet is scanned within the corresponding range, and the equivalent curve H(f) of the amplitude-frequency curve of the circuit is obtained; (3) after the frequency sweep is completed, the resonance point is taken to work, and the resonance feedback signal is continuously detected; (4) for the above-mentioned signal that fails to exceed the threshold Th, the process returns to the frequency sweep stage; (5) the initial state of the atomizer is calibrated. The present invention has the advantages of adding an inaccurate judgment backtracking judgment process during the atomization process to improve the accuracy of the judgment of lack of liquid; in addition, the atomization process can also be used to reduce the problem of liquid residue, which plays a significant role in the atomization process of the liquid medicine, and re-sweeping can also correct the current optimal atomization frequency to achieve the best atomization effect and reduce the power consumption.

The utility model discloses an atomizer, belongs to the technical field of medical instruments, and solves the problem that an atomizer in the prior art cannot be used for atomizing and sucking in a semi-lying or lying state. An atomizer comprises a mask, an angle adjusting device and an atomizing cup. A mist inlet of the angle adjusting device is fixedly connected with the atomizing cup, and a mist outlet of the angle adjusting device is detachably connected with the mask. According to the atomizer provided by the utility model, the angle between the atomizing cup and the mask can be adjusted through the first tube body, the folding tube, the second tube body, the multi-stage angle supply component and the angle selection positioning component, so that a wearer can carry out aerosol inhalation under the condition of half lying or lying.

The invention belongs to the technical field of medical instruments, and discloses a head-mounted multifunctional medical atomizer which comprises an atomizing cup, a mask and a fixing band, a movable connecting assembly is arranged at an air outlet in the atomizing cup and connected with a connector in the mask, so that the atomizing cup can rotate relative to the mask, and the fixing band is arranged on the mask. A balancing weight sleeves a connector at the bottom end of the atomizing cup, and the connector is connected with an air pipe; supporting arms are arranged at the two ends of the fixing band, winding assemblies are arranged in the supporting arms and connected with elastic ropes, and the elastic ropes are connected with the side edges of the mask. The movable connecting assembly enables the atomizing cup to rotate relative to the mask, the balancing weight lowers the gravity center of the atomizing cup, the atomizing cup is kept vertical, the situation that liquid medicine is deposited and cannot be atomized is avoided, and liquid medicine residues are reduced; the contact area is increased through the fixing belts and the supporting arms, the patient is prevented from being excessively pressed, the elastic rope is tensioned and locked by rotating the winding assembly, the mask is rapidly fixed, and the using burden is relieved.

The invention discloses a method for predicting the average atomization particle size of a gas-liquid coaxial nozzle by considering fluid physical properties. The method comprises the following steps: S1, acquiring experimental data; s2, calculating an unstable wave number interval; s3, discretizing an unstable wave number interval; s4, calculating a real nozzle coefficient C; and S5, predicting the average atomization particle size of the gas-liquid coaxial nozzle. According to the method, a theoretical prediction model of the average atomization particle size of the gas-liquid coaxial nozzle with physical significance can be more simply and accurately provided, and the atomization process can be more deeply understood and understood. According to the method, the average atomization particle size of the gas-liquid coaxial nozzle can be predicted according to the physical property parameters and the flowing parameters of the fluid, the appropriate working condition can be efficiently found to obtain the ideal atomization effect, the efficiency of nozzle design optimization work is improved, the design period of the nozzle can be effectively shortened, and the practical value is large.

The invention discloses a tail gas absorption device and method for asphalt processing, and belongs to the technical field of tail gas treatment.The method comprises the steps that real-time working condition parameters of asphalt tail gas are obtained; obtaining target dynamic surface tension and target charge density based on the working condition parameters; based on the target value, the surfactant addition amount and the electrostatic ring working voltage are obtained; preparing spraying liquid, applying voltage, and measuring actual dynamic surface tension and actual charge density in real time; spraying the spraying liquid into an absorption tower for absorption, and obtaining theoretical absorption efficiency based on actual parameters; and comparing the theoretical absorption efficiency with the target absorption efficiency, if the theoretical absorption efficiency is smaller than the target value, adjusting the addition amount and / or the voltage and returning to the previous step, otherwise, maintaining the current parameter operation. Through cooperative regulation and control of dynamic surface tension and charge density and introduction of a closed-loop feedback mechanism, efficient and stable absorption of asphalt tail gas is achieved, and the problems that in the prior art, absorption efficiency fluctuation is large, and it is difficult to adapt to working condition changes are solved.

The invention belongs to the technical field of fuel atomization of an internal combustion engine, and particularly relates to a double-fluid atomization injection system without an independent gas source supply device, which comprises a control module, a waste gas circulation system and an air-assisted fuel injection device, and is characterized in that the waste gas circulation system comprises an exhaust passage, an exhaust pressure sensor, an injection pressure sensor and an EGR (Exhaust Gas Recirculation) valve; one end of the exhaust passage is used for being communicated with an exhaust system on the exhaust valve side of an engine, and the exhaust pressure sensor, the jet pressure sensor and the EGR valve are all installed on the exhaust passage. The air-assisted fuel injection device comprises a fuel inlet, an injection outlet and a premixing cavity, the fuel inlet and the injection outlet are communicated with the premixing cavity, and the end, away from the exhaust valve, of the exhaust passage is communicated to the premixing cavity; and the control module is electrically connected with the exhaust pressure sensor, the air injection pressure sensor and the air-assisted fuel injection device. The problem that an independent air source supply device needs to be externally connected in the air-assisted fuel injection technology of the aviation heavy oil engine is solved.

This application discloses a combustion system and its control method, device, and storage medium. The combustion system includes: a cross-type dual-layer injector, wherein each nozzle sub-orifice of the cross-type dual-layer injector has a corresponding nozzle sub-orifice in another layer, and the fuel injected from the two corresponding nozzle sub-orifices collides and merges in the combustion chamber to form a fuel jet; and a dual-protrusion combustion chamber located in the piston, including two protrusions of different heights. The combustion system control method includes: controlling the cross-type dual-layer injector to start injecting fuel when the piston moves to a position where the merged fuel jet can be directed to the lower protrusion; and controlling the cross-type dual-layer injector to stop injecting fuel when the piston moves to a position where the merged fuel jet can be directed to the higher protrusion. Based on a specific combustion system, by starting or stopping fuel injection at specific times, fuel-air mixing is promoted, thereby reducing soot emissions.