105 results about "Fuel oil" patented technology

The application discloses a kind of real-time acquisition method and system of key index of fuel oil production, it is related to data acquisition technical field, by determining all key indexes of fuel oil production, different index set is grouped based on index aggregation degree, establishes associated archive tree, establishes data lock window, each index set is set as data key, according to the whole data key of data lock window adaptation associated archive tree, set acquisition target in data lock window, establish the relationship grid of acquisition target and data key, finally the target information of acquisition target is searched along relationship grid, obtain all search points satisfying search condition, integrate the search data of each search point as the key index of fuel oil production.This application realizes hierarchical archiving according to process by index aggregation degree, avoids undifferentiated acquisition of total amount, reduces data redundancy, with the aid of data lock window and relationship grid, realize the dynamic accurate mapping of acquisition target and key index, improve the efficiency and accuracy of data acquisition.

The application discloses a combined atomization test device, belongs to the fuel atomization technical field, and comprises an experimental seat, a steady pressure cavity, a cyclone, a fuel nozzle and an air inlet seat. The cyclone is arranged on the experimental seat and is provided with a gas passage in communication with the steady pressure cavity. The fuel nozzle is provided with an oil injection port corresponding to the cyclone and is used for injecting atomized fuel oil, so that the atomized fuel oil and the cyclone inlet gas passage outlet airflow are combined to form an oil mist field. The air inlet seat is in communication with the experimental seat, and a disturbance suppression path is formed between the air inlet seat and the experimental seat. The disturbance suppression path comprises at least two direction turning sections and is used for weakening airflow disturbance. The application avoids the instability problem caused by the fact that the airflow directly enters the cyclone in the traditional test device, and improves the repeatability of the spray field in the atomization experiment.

The utility model relates to a boiler equipment technical field discloses a cold air fuel oil heater, including heating mixing chamber, air distribution tube, oil gun and ignition gun, heating mixing chamber installs in primary hot -blast female pipe, both ends of heating mixing chamber are open respectively, one end of air distribution tube is closed end, the side portion of closed end of air distribution tube is equipped with combustion -supporting air inlet, the other end of air distribution tube is open end and passes through the pipe wall of primary hot -blast female pipe and stretches into the port of heating mixing chamber, the output of oil gun and the ignition end of ignition gun respectively seal and stretch into the closed end of air distribution tube. The utility model heats the cold air in primary hot -blast pipe through oil gun to satisfy the starting demand of pulverizing system.

The objective is to provide a fuel oil containing a high volume of hydrogenated vegetable oil, which is carbon neutral, and a method for producing the same. [Solution] Fuel oil containing 50% to 90% by volume of hydrogenated vegetable oil.

Embodiments of the present application provide an online water injection system and method for fuel icing test, relating to the field of aero-engine fuel icing test. It aims to improve the problem of unstable water content of fuel distribution in fuel icing test. It includes main oil supply path, steady-state water injection cylinder, steady-state nozzle, transient water injection cylinder, transient nozzle, bypass solenoid valve, oil supply pressure sensor and test piece; the steady-state water injection cylinder is connected with the steady-state nozzle, and the transient water injection cylinder is connected with the transient nozzle; the bypass solenoid valve is connected with the test piece in parallel, and the bypass solenoid valve is connected with the oil supply pressure sensor. Through the parallel connection scheme of the bypass electric control valve and the test piece, the transition state water-containing fuel oil supply is converted into steady-state supply, solving the problem that the water injection flow cannot quickly follow the change of fuel flow during the transition state of the test piece, and further providing stable water-containing fuel oil, realizing the continuous supply of stable water-containing fuel oil under the transition condition.

The application discloses a water cutting device for cutting interlayer water, and an oil product storage tank and a method comprising the same, and belongs to the technical field of oil product storage tanks. The water cutting device for cutting interlayer water disclosed by the application can realize the cutting of interlayer water of oil-water stratification at different positions in the oil product storage tank by arranging an interlayer water cutting device in the water cutting line pipe and controlling the position of the interlayer water cutting device through a lifting device. Meanwhile, the water cutting device can be freely switched with the water cutting line pipe, and the cutting of interlayer water between tank bottom water and heavy oil and light oil can be realized at the same time. The technical problem that the existing water cutting device cannot simultaneously cut interlayer water between heavy oil and light oil is solved, the interlayer water in the oil product in the tank can be removed, and fluctuations or production accidents of downstream devices caused by water in the oil product are avoided.

The application discloses a device and a method for generating nanobubble fuel oil by using a rotating flow and a particle bed, wherein the device comprises a rotating flow generator and a particle bed in the rotating flow generator; a tangential liquid inlet is arranged on the upper end of the shell wall of the rotating flow generator; a top particle filter screen and a bottom particle filter screen are arranged below the tangential liquid inlet; the particle bed is contained in an area surrounded by the shell side wall of the rotating flow generator, the top particle filter screen and the bottom particle filter screen, and is filled with at least two kinds of oil-repellent particles with different particle sizes at a volume filling rate of 50%-70% to form the particle bed; and the method is characterized in that fuel oil with a gas pre-dissolved therein is injected into the rotating flow generator through the tangential liquid inlet, then flows into the particle bed to form nanobubbles, and finally flows out together with the fuel oil to obtain nanobubble fuel oil. The device has a compact structure, and nanobubbles with high concentration and small D50 can be prepared without using external high-energy-consumption equipment, so that the combustion efficiency is improved.

The invention discloses a device and a method for generating nano-bubble fuel oil by utilizing oleophobic fibers and a Venturi flow field. The device comprises a Venturi tube, a nano-bubble generation reactor and a large bubble separator, the nano bubble generation reactor is filled with an oleophobic fiber module; the method comprises the steps that fuel oil flows through a Venturi tube to generate negative pressure to form liquid of pre-dissolved gas, the liquid enters a nano bubble generation reactor and flows through an oleophobic fiber module, micro-nano bubbles with large particle sizes are separated and discharged through an exhaust port in a large bubble separator, nano bubbles with small particle sizes stably exist in the liquid, and the micro-nano bubbles with small particle sizes stably exist in the liquid. The nanometer bubble fuel oil is obtained. The whole device system does not need high-energy-consumption equipment such as an external air pump and pressurized dissolved air, the structure is compact, the energy consumption is low, liquid of pre-dissolved air is formed only through negative pressure self-suction, and finally the liquid with the high concentration of D50lt is obtained; and therefore, the combustion efficiency can be remarkably improved, and pollutant emission can be reduced.

Provided are a dual fuel injector, an engine, and a control method for a dual fuel injector, relating to the technical field of engines. The dual fuel injector includes a fuel oil supply passage, a gaseous fuel supply passage, and a fuel injection portion. The fuel oil supply passage is used for delivering fuel oil, the gaseous fuel supply passage is used for delivering gaseous fuel, the fuel injection portion is used for being in communication with a combustion chamber, and the fuel injection portion is selectively in communication with the fuel oil supply passage, and the fuel injection portion is selectively in communication with the gaseous fuel supply passage.

The application belongs to the technical field of aviation second power system, and discloses an airplane emergency power gas generating system and method based on water enhancement technology, wherein the system adopts fuel oil and high-pressure gas cylinder gas supply to combust in a gas generator, high-temperature and high-pressure gas is generated as the emergency power of the airplane; when the fuel oil and air are mixed and combusted in the gas generator, water is sprayed in the gas generator, water is used as the combustion coolant, and the compressed air amount used by the gas generator after combustion to generate unit gas is reduced. The aviation kerosene and high-pressure air are used as the fuel and oxidant, the fuel system has the advantage of good compatibility with the airplane, the compressed air amount used by the gas generator to generate unit gas is greatly reduced, the working time of the gas generator system is prolonged, the expensive catalyst is not used, and the problems of short service life of the gas generator system and high price of the catalyst of the traditional emergency power system are avoided.

The utility model relates to the technical field of rail transit especially, a kind of motor car kitchen ventilation waste exhaust system;Including heavy oil waste gas air duct and residual waste gas air duct, the heavy oil waste gas air duct with the residual waste gas air duct is communicated and is collectively communicated to outside the car, the collection air duct end of the heavy oil waste gas air duct with the residual waste gas air duct is provided with collection fan;The heavy oil waste gas air duct is provided with heavy oil waste gas fan, heavy oil waste gas grille, heavy oil waste gas filter screen, the heavy oil waste gas grille is opened in the heavy oil waste gas air duct suction port, the heavy oil waste gas fan is set in the heavy oil waste gas air duct inside and with the heavy oil waste gas grille position compatible structure, reach the effect that the waste gas in the entire area of motor car kitchen can be collected and discharged to outside the car to avoid polluting indoor facilities and equipment, while oil fume can be filtered, it is convenient to disassemble and wash, air volume can also be adjusted.

This invention discloses a photovoltaic (PV) and energy storage collaborative regulation and management platform and control method, belonging to the field of shipboard new energy storage regulation. It aims to solve the problems of poor adaptability, insufficient safety protection, and lagging regulation in shipboard PV-storage systems. The platform includes a shipboard PV-storage regulation parameter acquisition module, a PV-storage-fuel power collaborative scheduling module, and a marine environment early warning and regulation module. It collects multi-source data and associates it with spatiotemporal tags to construct a dataset and calculate core regulation parameters, predicting PV output trends. It quantifies marine environmental stress factors, couples equipment parameters to analyze failure probabilities, and provides graded early warnings. It executes a three-level scheduling based on "PV priority consumption – energy storage supplementation – fuel oil backup," linking risk levels to dynamically optimize strategies. This invention achieves precise matching of energy supply and demand, reduces the risk of equipment failure caused by the marine environment, ensures continuous power supply to core loads, improves PV consumption efficiency and system stability, and balances environmental protection and operational economy, making it suitable for various shipboard new energy power supply scenarios.

This utility model discloses a liquid fuel oil gasification burner head, including an outer shell, an inner liner, a multi-layered sleeve-type gasification core, and a high-pressure ignition needle. The inner liner is nested inside the outer shell to form a U-shaped annular sealed space, and the inner liner wall is provided with upwardly inclined air injection holes. The core is vertically arranged at the center of the inner liner and consists of an inner thin tube, a middle coarse tube, and an outer conical sleeve, forming a two-stage oil passage: the inner thin tube and the middle coarse tube form a first oil passage, and the outer conical sleeve and the middle coarse tube form a second oil passage. An oil outlet is opened at the bottom of the outer conical sleeve, and the tube wall is provided with upwardly inclined air holes. The tip of the high-pressure ignition needle is directly opposite the oil outlet. The technical solution of this utility model can extend the heating path of fuel oil through the multi-layered sleeve, realize the complete gasification of high / low flash point fuel oil (such as ethylene glycol, light white oil, alcohol-based fuels, etc.), and solve the problems of traditional burners not being able to achieve small-flame combustion, incomplete combustion, and black smoke after ignition and shutdown.

This invention discloses a fuel-fired cascade heating device for the primary air duct of a boiler coal mill, relating to the technical field of boiler auxiliary systems in thermal power plants. The device includes a large-capacity oil gun (1), a small-capacity oil gun (2), a primary air duct heating section (3), an oil gun flame detection device (4), a combustion air system (5), and a local control cabinet (6). The large-capacity oil gun (1) and the small-capacity oil gun (2) have different rated fuel consumption. Both are installed on the primary air duct heating section (3), using compressed air atomization to atomize the fuel and burn it within the duct. The combustion air system (5) draws combustion air from the boiler's sealed air main pipe and sends it into the primary air duct heating section (3). The local control cabinet (6) has a built-in PLC controller, which performs cascade heating control on the large-capacity oil gun (1) and the small-capacity oil gun (2) according to a four-stage sequence: "simultaneous activation of both guns—stopping the small gun—switching between large and small guns—stopping all oil guns," gradually raising the primary air temperature from ambient temperature to a target temperature range of 180–220°C. This invention solves the problem of insufficient heating capacity of steam heat exchangers under cold start conditions, which leads to insufficient drying output of coal mills. It achieves an engineering-feasible trade-off between fuel consumption and heating rate, and can also serve as an auxiliary heat source for plasma oil-free ignition systems.

The present application relates to the field of oil refining catalysts, in particular to a catalytic cracking composition, a preparation method thereof, a catalytic cracking aid and application. The catalytic cracking composition comprises a catalytic cracking aid and a catalytic cracking catalyst; the aid comprises, based on the dry basis weight, 10-50 wt% of clay, 40-80 wt% of silicon species in terms of SiO2, 5-30 wt% of aluminum species in terms of Al2O3, 0.5-5 wt% of stable elements in terms of oxides and 0.5-10 wt% of active adjustment elements in terms of oxides; the SiO2 / Al2O3 molar ratio of the silicon species and the aluminum species is 3-30; the specific surface area retention degree of the aid before and after 100% steam treatment at 800 DEG C for 17h is not less than 65%. The catalytic cracking composition is applied to a heavy oil catalytic cracking process, effectively promotes heavy oil conversion, increases the selectivity of high value-added products, reduces the coke yield, and has a high gasoline octane number.

The utility model discloses a road roller fuel cooling device and vibration road roller, include: the heat dissipation pipe, present U type or M type, its both ends are first pipe mouth and second pipe mouth, the heat dissipation pipe is installed on the road roller and is located the air inlet end of radiator, fuel pipe, including first fuel pipe and second fuel pipe, first fuel pipe one end is connected with first pipe mouth, and the other end is connected with the oil return port of engine, second fuel pipe one end is connected with second pipe mouth, and the other end is connected with the oil return port of fuel tank, the inner diameter of heat dissipation pipe is greater than the inner diameter of fuel pipe, the protective net is installed on the road roller and is located the top of heat dissipation pipe, is used for preventing the foreign matter falling and damaging heat dissipation pipe. The utility model can ensure the normal construction of vibration road roller under the very little, high temperature high load extreme condition of fuel tank in fuel oil.

This invention discloses a structure for solving coking and blockage in a slurry bed pre-flash tower system, relating to the technical field of slurry bed residue oil hydrotreating units. It includes a pre-flash tower, a feed cyclone separator, a spray distribution pipe, a conical head, a slurry valve, a basket filter, a centrifugal pump, and multiple pipelines. By removing part of the bottom tray of the pre-flash tower and installing a spray distribution pipe, adding a feed cyclone separator at the feed inlet, changing the bottom head to a conical head, optimizing the pipeline layout and adding a basket filter, and simultaneously reducing the diameter of related valves and pipelines, this invention addresses the problem of coking and blockage in the pre-flash tower from four aspects: feed distribution, reducing coking space, increasing pipeline flow rate, and increasing active coking removal. This fundamentally solves the coking and blockage problem in the pre-flash tower, extends the unit's operating cycle, improves operational stability and economy, and reduces safety risks. It is applicable to heavy oil medium towers in various "bottom-in, top-out" slurry bed residue oil hydrotreating units.

The application discloses a boiler combustion intelligent monitoring system, which detects the parameters of coal powder and fuel oil in the micro-oil ignition combustion process through a combustion medium detection module; monitors the operation parameters of a primary combustion chamber, a secondary combustion chamber, a fuel oil sprayer and an ignition device, including inlet air volume, coal powder concentration, oil injection time and ignition action, through an operation process detection module; determines the standard-reaching degree of the inlet air volume and coal powder concentration of the primary combustion chamber according to the air volume standard, calculates the ideal inlet air volume and coal powder concentration of the secondary combustion chamber, and analyzes the ideal ignition time and ideal oil injection time through an operation analysis module; adjusts the actions of the air supply device, the fuel oil sprayer and the ignition device according to the analysis result to realize control through an operation control module; and displays the analysis result and the control process through a display management module; the application realizes the monitoring and control of the micro-oil ignition coal powder combustion system through the intelligent monitoring system, improves the combustion efficiency and safety, and reduces energy waste and environmental pollution.

The utility model relates to a kind of air pressurizing device of heavy oil unmanned plane air entrainment injection system, belong to air pressurizing device technical field including cylinder, the right side of the cylinder is equipped with connecting assembly, the right side fixed with conveying pipe of the cylinder, the inside of the conveying pipe is equipped with dismounting assembly, the upper surface of the conveying pipe is communicated with conveying structure, the connecting assembly includes fixed plate by bolt fixed in the left side of cylinder, the left side of the cylinder is fixed with first rubber sealing ring, the left side of the first rubber sealing ring and the right side of fixed plate are abutted, the right side of the fixed plate is fixed with booster. The air pressurizing device of heavy oil unmanned plane air entrainment injection system, high-pressure air can be evenly distributed by multiple air outlets on the air outlet plate, improve the atomization effect of fuel, enhance combustion efficiency, high-pressure air enters the spray head through the conveying pipe, and is injected after mixing with fuel, to realize high-efficiency atomization.

The utility model discloses a fuel stove core that improves combustion efficiency, through the triple vaporization combustion chamber that wind oil vaporization disc and three room vaporization cap form above the wind gathering bowl, the fuel oil that ignites in the wind gathering bowl, into three vaporization chambers is pressurized and scattered layer by layer, and the fuel oil is vaporized and burns fast in three room vaporization cap, under the cooperation of the combustion hole and the fire hole on three room vaporization cap, three room vaporization cap can heat up fast and keep high temperature, and the fuel oil that enters three room vaporization cap fast is heated, reaches the effect that improves fuel oil fast and fully vaporizes.

Method for cleaning a flue gas stream, in particular for cleaning flue gases produced during the combustion of heavy oil and / or diesel fuels, in a flue gas cleaning plant with at least one first reactor unit (5a-c, 35a-c, 65a-c) and a second reactor unit (5a-c, 35a-c, 65a-c), wherein in a pre-cleaning operation particles are substantially removed from the flue gas stream and in a final cleaning operation at least sulfur-containing components are substantially removed, wherein i. in the pre-cleaning operation the flue gas stream is fed from an engine (1, 31, 61) to the first reactor unit (5a-c, 35a-c, 65a-c) in which a pre-cleaning of the flue gas stream is carried out, and ii.In the final cleaning operation, the flue gas stream is transferred, after pre-cleaning, from the first reactor unit (5a-c, 35a-c, 65a-c) to the second reactor unit (5a-c, 35a-c, 65a-c), in which final cleaning of the flue gas stream is carried out, characterized in that at least a third reactor unit (5a-c, 35a-c, 65a-c) is provided with a sorption material (23a-c, 53a-c, 88a-c), wherein at least one reactor unit (5a-c, 35a-c, 65a-c) is in the pre-cleaning state, one reactor unit (5a-c, 35a-c, 65a-c) is in the final cleaning state and one reactor unit (5a-c, 35a-c, 65a-c) is in the standby state, so that the sorption material of the reactor unit It can be replaced while at rest.

The present application relates to the technical field of engine, and provides an engine hot end casing and fuel intelligent control system, the engine hot end casing comprises a casing body, a liquid fuel oil line manifold is integrally formed with the casing body and arranged on the outer side wall of the casing body, and a gaseous fuel oil line manifold is integrally formed with the casing body and arranged on the inner side wall of the casing body.The engine hot end casing provided by the present application is integrally designed with the fuel flow path integrated on the casing body, thereby avoiding the resonance problem of two components, and the safety of the engine is improved.Moreover, the high-temperature air can be fully utilized to flow through the compressor to heat the hot end casing and the wall pipe body, the internal fuel is heated, the temperature of the fuel in the pipe body is increased, the fuel properties, especially the viscosity, are reduced, the nozzle atomization performance is improved, and the engine starting envelope is improved.

The present application aims to provide a wide range of safe laying of oil-absorbing cotton piece for adsorbing and limiting fuel oil in the case of flammable and explosive oil leakage, which contains a main box and a walking wheel, the inside of the main box is provided with a containing cavity for placing the oil-absorbing cotton piece, the front end of the main box is provided with a discharge port, and the bottom of the main box is provided with a walking wheel; the inside of the main box is also provided with a pushing mechanism for driving the oil-absorbing cotton piece to move close to the discharge port and a discharge mechanism for driving the oil-absorbing cotton piece to separate from the discharge port, and a power transmission mechanism is arranged between the discharge mechanism and the walking wheel, so that the walking wheel can drive the discharge mechanism to operate.

The application provides a heavy oil density determination method and application. The determination method comprises the following steps: filling heavy oil into a cleaned metal container, and then testing the heavy oil density by a weighing method. A cleaning device for cleaning the metal container comprises a heating unit, a heat preservation unit and a storage tank. Compared with the densimeter method, the method can directly determine the heavy oil density at 20 DEG C, and avoids the deviation caused by the conversion after the determination temperature is too high. Compared with the pycnometer method, the metal cylinder is used to contain the sample, the sample amount is increased, the result is more representative, the metal cylinder is convenient to clean and is not easy to be damaged, and the cleaning solvent can be recycled and reused.

This invention relates to the field of nanomaterials, specifically to a metal-organic framework composite material, its preparation method, applications, and a method for oxidative removal of organic sulfur from fuel oil. The composite material comprises Ce-MOF nanomaterials and MnO2 nanomaterials, wherein the weight ratio of MnO2 nanomaterials to Ce-MOF nanomaterials is 1:(13-15). In the X-ray photoelectron spectrum of the composite material, a characteristic peak exists at 530 eV for the O 1s spectrum. The composite material of this invention exhibits good synergistic effects between MnO2 nanomaterials and Ce-MOF nanomaterials, demonstrating excellent catalytic activity and stability.

The utility model relates to an oil monitoring device for fuel oil machine lubricating hydraulic system relates to lubricating hydraulic system technical field, for the problem of inconvenient centralized maintenance of oil monitoring equipment. Including: oil guide component, its one end communicates with the oil inlet end of fuel oil machine lubricating hydraulic system, detection equipment communicates with the inside of oil guide component, electric control equipment is connected with detection equipment, and electric control equipment can analyze lubricating oil information that electric control equipment detected, box structure, first and second installation cavity are seted up in it, the first installation cavity is provided with electric control equipment, and the second installation cavity is provided with oil guide component and detection equipment. In the utility model, the oil guide component is specially set, the lubricating oil of fuel oil machine lubricating hydraulic system is introduced to it, the electric control equipment is directly communicated with the oil guide component, and the sensor parts in the detection equipment can be centrally arranged on the oil guide component. In this way, the oil monitoring device is convenient to carry, install and maintain in later period.

The application discloses a kind of oil storage equipment. Including oil storage tank, oil guide assembly, oil tank and sampling device. Oil storage tank is equipped with oil storage cavity. Oil guide assembly includes first oil guide pipe, second oil guide pipe and third oil guide pipe. One end of first oil guide pipe is provided with first oil guide port. One end of second oil guide pipe is provided with second oil guide port. One end of third oil guide pipe is provided with third oil guide port. Along the depth direction of oil storage cavity, first oil guide port is arranged above second oil guide port, and third oil guide port is arranged between first oil guide port and second oil guide port. Oil guide pipe is fixedly arranged on oil storage tank and communicates with oil storage cavity. Sampling device is connected with oil guide assembly to guide oil out of oil guide assembly. The oil storage equipment can obtain fuel oil at different depths in the oil storage tank for sampling analysis according to the external environmental characteristics of the oil storage tank, which is beneficial to improve the reliability of long-term fuel quality of the oil storage tank.

The present disclosure relates to the field of plasma ignition, and disclosed are a plasma ignition system, method and apparatus, an electronic device, and a storage medium. The main technical solution comprises: an ignition module, an electrical module, a gas supply module, a driving module, a cooling module, and a control module; the ignition module is placed on the wall of a boiler; the electrical module, the gas supply module, the driving module, the cooling module and the control module are separately connected to the ignition module; pulverized coal is placed in the boiler; the driving module, the gas supply module, the cooling module and the control module are separately connected to the electrical module; and the gas supply module and the cooling module are separately connected to the control module. Compared with the related art, in embodiments of the present disclosure, the plasma ignition system is used to generate plasma flame to ignite the pulverized coal in the boiler without using fuel oil, thereby reducing ignition costs.

This invention relates to the field of welding positioning fixture technology, and discloses a vacuum brazing positioning fixture for a fuel main pipe, comprising: a base fixedly connected to the bottom of a vacuum brazing chamber; a fuel pipe to be brazed and several nozzles located above the base; the nozzles being located on the side of the fuel pipe away from the base; and the fuel pipe having an annular cross-section on its first surface, which is parallel to the plane of the base. This vacuum brazing positioning fixture for a fuel main pipe, by setting a moving mechanism, allows a fourth plate supporting the pipe to smoothly slide outwards along the fourth plate when the fuel pipe expands radially in a high-temperature environment, carrying the third plate with it. This structure provides ample clearance for the fuel pipe, avoiding the reverse compression caused by traditional rigid clamps on the softened pipe at high temperatures, and preventing irreversible collapse or twisting of the thin-walled pipe.