1153 results about "Fuel oil" patented technology

The invention belongs to the technical field of ship fuel consumption prediction and big data analysis, and relates to an operating ship fuel consumption prediction method based on a deep learning model. The method comprises the following steps: 1, synchronously acquiring multi-source data from a ship automatic identification system, a cabin monitoring system and an ERA5 meteorological database, and preprocessing the multi-source data; step 2, inputting the preprocessed data into a pre-trained CNN-BiLSTM-Attention model to carry out ship fuel consumption prediction; wherein the CNN-BiLSTM-Attention model is composed of a convolutional neural network, a bidirectional long and short term memory network and a time attention module; the model adopts a composite loss function based on navigational speed-power-fuel oil physical constraint. The method is more excellent in the aspects of prediction precision, robustness and fitting effect. Compared with the prior art, the method has higher accuracy and reliability in the aspect of ship fuel consumption prediction.

When the intelligent fire-fighting unmanned aerial vehicle cluster system works, the method comprises the following steps that 1, an intelligent fire-fighting unmanned aerial vehicle cluster detects a fire scene and searches a water source near the fire scene, and an optimal route is searched between the water source and the fire scene to lay a pressurizing water pump and a fire hose; 2, the intelligent fire-fighting unmanned aerial vehicle cluster controls a fire-fighting nozzle to conduct fire extinguishing operation, and the positions of a pressurizing water pump and a fire hose are adjusted according to fire behavior changes of a fire scene; and 3, the intelligent fire-fighting unmanned aerial vehicle cluster performs handover control on a fire-fighting nozzle, a pressurizing water pump and a fire-fighting hose in turn, and fuel oil is supplemented to the pressurizing water pump until fire extinguishing operation is finished. A fire-fighting water supply channel can be laid between a water source and a fire scene at an ultra-fast speed, the fire extinguishing operation speed is high, manual intervention is not needed, and nearly infinite fire-fighting water can be continuously provided.

The invention relates to the technical field of reactors, and discloses a uniform gas-liquid distribution suspended bed reactor for heavy oil hydrogenation, which comprises a reactor shell, a gas-liquid distribution disc is horizontally arranged at the lower end of an inner cavity of the reactor shell, a Venturi annular gas-liquid diffuser is arranged on the gas-liquid distribution disc, and a pre-distribution chamber is formed at the bottom of the gas-liquid distribution disc; the Venturi annular gas-liquid diffuser comprises an outer gas guide pipe arranged on the gas-liquid distribution disc in a penetrating mode. According to the Venturi annular gas-liquid diffuser, through the synergistic effect of a liquid-phase flow annular nozzle and a gas-phase flow annular nozzle, a liquid phase sprayed out at a high speed is actively sheared and broken relative to a low-speed gas phase, and uniform small bubble groups can be generated, so that the gas-liquid contact area is greatly increased; the dissolution rate and the mass transfer efficiency of the hydrogen into the heavy oil are remarkably improved, so that the hydrogenation reaction depth and the product quality are directly improved, and meanwhile, the catalyst in a catalyst suspended bed reaction zone is effectively protected.

The invention discloses a photovoltaic-driven IDC electric-cooling linkage method and device, and belongs to the technical field of IDC electric-cooling linkage, and the method comprises the following steps: S1, constructing a gravity energy storage structure; s2, the gravity object is lifted to the highest point of the gravity object channel through the gravity energy storage structure; s3, air at the bottom of the gravity object channel is compressed for the second time, and a thermal cracking reaction is carried out; s4, thermal cracking gas generated by the thermal cracking reaction is drained, and combustion products are discharged into a gas storage chamber; s5, the generated steam waste heat pushes a turbine in a turbine chamber to do work for power generation; and S6, domestic hot water and night heating hot water are prepared, convective heat exchange is conducted, the low-temperature reclaimed water obtained after heat exchange is heated into high-temperature steam in a cooler, the high-temperature steam enters a turbine to become high-temperature reclaimed water, and the high-temperature reclaimed water flows into a control center or a water storage pool. The organic matter compressed garbage is used as a gravity object for gravity energy storage, and heavy oil, solid fuel, adsorbents and other high-value products are produced in the gravity energy storage process.

The invention belongs to the field of target drone fuel oil systems, and particularly relates to a self-adaptive supersonic speed target drone fuel oil system and a control method thereof. The system comprises a machine body oil tank, a first electromagnetic valve, an overflow valve, a pressurization oil tank, a fuel pump, an engine pump, a monitoring module and a control module. The body fuel tank comprises a main fuel tank and an auxiliary fuel tank which are arranged in a fuel tank in the middle of the target drone body and located in front of and behind the theoretical mass center of the target drone respectively. The pressurization oil tank is additionally arranged in the fuel oil cabin, fuel oil in the engine body oil tank enters the pressurization oil tank for pressure maintaining after being pressurized by the fuel oil pump, and then oil is supplied to the engine from the pressurization oil tank, so that stable oil supply to the engine is achieved by establishing a local pressure environment instead of a large pressure environment of the whole fuel oil cabin, and therefore when a fuel oil system works, the fuel oil can be stably supplied to the engine. The oil supply flow and pressure are controlled in a closed-loop mode in real time through the control system according to the engine state.

A firewall system isolating a fire zone of an engine (2) from a hanger (1) located in a non-fire zone, comprising: a vertical firewall (3) arranged at a front end of a frame of the hanger, on which a support structure (13) is arranged for mounting the hanger and a fairing of the engine; and a bottom firewall (7) which is provided so as to extend rearward from the vertical firewall, is provided so as to cover the suspended frame from below, has a bottom plate (71), a left side plate (72), and a right side plate (73), and has an isolated space formed by the vertical firewall, the bottom firewall, and the suspended frame. Fireproof sealing isolation of an aircraft engine can be achieved, meanwhile, arrangement of multiple systems such as fuel oil, hydraulic pressure, an air source, fire prevention, power and EWIS is achieved, influences between the systems are avoided, and structural weight reduction can be achieved.

The embodiment of the invention provides an engine control method and device, a vehicle and a storage medium, and the method comprises the steps that the running state of the vehicle is monitored, a state monitoring result is obtained, and the state monitoring result is used for representing whether the knocking phenomenon occurs in the current running state of the vehicle or not; in response to the state monitoring result that the knocking phenomenon occurs in the current running state of the vehicle, the fuel quality of fuel currently used by the vehicle, the current running parameters and running state parameters of an engine and a first control parameter are obtained, the fuel quality is used for reflecting the combustion capacity of the fuel in multiple dimensions, and the fuel quality is used for reflecting the combustion capacity of the fuel in multiple dimensions; the running state parameters are used for reflecting running conditions of the engine; adjusting a first control parameter currently used by the engine based on the fuel oil quality and the operation parameter operation state parameter to obtain a target control parameter; and controlling the engine to operate based on the target control parameter. The technical problem that in the related technology, the stability of controlling operation of the engine is poor is solved.

The invention discloses a real-time monitoring and safety early warning method for an anti-seismic structure of a fuel oil unit, belongs to the technical field of structural health monitoring and safety control, and aims to solve the problems that an existing monitoring method is passive and lagged, depends on artificial experience and cannot automatically, quickly and objectively evaluate the health condition of an anti-seismic system after an earthquake. A three-axis acceleration sensor is adopted to monitor vibration acceleration in real time, an edge computing gateway triggers an earthquake event when a vibration peak value exceeds a first preset threshold value, and a sensor array is controlled to be switched to a high-frequency recording mode; uploading the collected high-frequency data to a data processing platform, carrying out seismic design threshold comparison and machine learning model analysis, and fusing and outputting a part damage probability grade and a health assessment result; and based on the evaluation result, a targeted check list is generated through a preset mapping relation library and is pushed to the mobile terminal of the operation and maintenance personnel. The method is used for monitoring and early warning of an anti-seismic structure of a fuel unit, can realize rapid and reliable evaluation and accurate operation and maintenance guidance after an earthquake, and guarantees power supply recovery of key facilities.

The invention relates to a variable-power scale-free boiler and topology heat transfer quasi-super Stirling ecological heat engine technology, in particular to a working principle of direct-current scale-free super heat exchange high power density reaching 8-16 times fuel oil stress application variable power in the ZL2012105664497.4 patent achievement innovation field of the inventor, and the working principle is applied to normal low pressure, middle high pressure, critical pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure, high pressure and high pressure. Various types of boilers are free of scale obstruction, super in heat exchange, high in power density, ultra-low in cost rate, and safe in multi-module unit combination of less than 30-90L; a boiler heat exchange heat output'boiler 'system formed by connecting ten to hundreds of congruent module (tube panel) units in parallel is integrally matched with a magnesium catalysis water-based combustion-supporting combustion science'boiler' system of a '8-16 times fuel oil stress application 'Stirling'heat engine', and meanwhile, a new era of human cosmic rock planet carbon dioxide and carbon rock particle energy ecological metallurgy is created. The invention relates to a Stirling ecological heat engine, in particular to a variable-power scale-free multi-module once-through boiler and a topology heat transfer Stirling ecological heat engine, wherein the variable-power scale-free multi-module once-through boiler and the topology heat transfer Stirling ecological heat engine are used for gathering metamorphosis heat radiation and a three-guide interlining heat transfer and exchange body heat output system under the constraint of extreme-effect

The invention discloses a non-pressure fuel oil filling system and method based on fluid driving and mining equipment, and the system comprises a fuel oil tank which is used as a fuel oil storage main body; the receiver serves as an initial channel for fuel oil to enter and comprises a filling port plug, a receiver shell and a filling reset spring, the filling port plug is movably installed at the inlet end of the receiver shell, and the filling reset spring is installed between the filling port plug and the receiver shell in a sleeved mode; the controller is fixed to the side, away from the oil gun, of the receiver, the controller comprises a switching valve element capable of moving in the axial direction, and the switching valve element can open or close an oil filling window in the controller under the action of the fluid pressure difference; the respirator is mounted at the top of the fuel tank and comprises an air intake and exhaust structure for balancing air pressure inside and outside the fuel tank and a cut-off floating ball capable of ascending and descending along with the oil level in the fuel tank; and two ends of the control oil pipe are respectively communicated with the controller and the respirator. The method is suitable for mine scenes, and has both safety and protection.

The invention discloses a tire fault real-time positioning and maintenance service matching method. An information acquisition end, a fault judgment end, a report generation end, a service screening end and a service matching end are included. Tire state parameters and current accurate geographical location information of a vehicle are collected in real time, when it is monitored that tire parameters exceed a preset normal threshold range, it is judged that a tire breaks down, fault information and positioning information are sent to a cloud server together, a fault degree evaluation model is started, and an evaluation report is generated. A maintenance service resource database is established, a cloud server automatically screens maintenance service providers according to tire fault positioning information, an available maintenance service resource list is formed, and maintenance service matching is performed by using an intelligent matching algorithm; according to the invention, fault top-speed early warning is realized, the response time is shortened, the on-site processing time consumption is reduced, the resource waste is avoided, the fuel oil and labor cost is reduced, excessive maintenance or insufficient maintenance is avoided, and the service is transparent and traceable.

The invention discloses a device and method for cleaning the interior of a large complex sealing structure. The device comprises an ice conveying system, an oil conveying system and an environment control system. The oil conveying system is used for storing and conveying cleaning fuel oil, and the environmental control system is connected with the fuel oil system and connected into a device to be cleaned so as to form a closed cleaning system. The environment control system is further used for being connected into the ice conveying system, the ice conveying system conveys dry ice into the environment control system, the dry ice is mixed with cleaning fuel oil provided by the fuel oil system, and the dry ice and cleaning liquid are mixed and then conveyed to the device to be cleaned. A mixture of dry ice and cleaning liquid is periodically put into a to-be-cleaned device, an inlet and an outlet of the to-be-cleaned device are closed, cleaning fuel oil is driven by carbon dioxide gas generated by sublimation of the dry ice in the pressurization and decompression processes to generate vortex disturbance, and the interior of the to-be-cleaned device is cleaned. The problems that in the prior art, cleaning does not reach the standard, and efficiency is low are effectively solved.

The invention discloses a method and a system for acquiring the output power of a turbine, relates to the technical field of turbine monitoring, and provides a five-stage closed loop aiming at a ship high-temperature wet vibration environment, and millisecond-stage alignment torque, rotating speed, fuel oil, exhaust and vibration signals are synchronously acquired in a multi-source manner; secondly, a credibility matrix is constructed through null drift detection, wavelet denoising and consistency verification, and initial power is obtained through Kalman fusion; performing real-time comparison by using a digital twinborn model, and adaptively adjusting the weight of the sensor to output a correction power curve; then decomposing the virtual-real residual into slow drift, transient and harmonic factors, and dynamically modifying the sensitivity and the sampling rate to realize source end self-compensation; and finally, performing windowed compression, partitioning and salting hash on the correction curve, quickly confirming the right of the three-node lightweight block chain, and writing the fingerprint back to a twin model to realize minute-level tamper-proof traceability. The method has the advantages of high-resolution measurement, rapid deviation correction and real-time credible evidence storage.

The invention relates to a method for predicting the carbon residue value of heavy oil hydrogenation generated oil, and the method comprises the following steps: obtaining a heavy oil raw material, and obtaining the characterization data of the characteristic properties of the heavy oil raw material; obtaining hydrogenated generated oil to be detected, wherein the hydrogenated generated oil to be detected is obtained by carrying out hydrogenation carbon residue removal reaction on the heavy oil raw material; substituting the characterization data of the characteristic properties of the heavy oil raw material into the characteristic factor equation of the hydrogenation carbon residue removal reaction, and calculating the characteristic factor of the hydrogenation carbon residue removal reaction; substituting the characteristic factor into the characteristic factor-reaction rate constant relation equation of the hydrogenation carbon residue removal reaction, and calculating the reaction rate constant of the hydrogenation carbon residue removal reaction; and substituting the reaction rate constant into the reaction kinetic equation of the hydrogenation carbon residue removal reaction, and calculating the predicted carbon residue value of the hydrogenation generated oil to be detected. By adopting the method disclosed by the invention, the carbon residue value of the heavy oil hydrogenation generated oil can be accurately predicted.

The invention provides a vehicle control method and device, electronic equipment and a vehicle, and is applied to the technical field of vehicle intelligent control. The method comprises the steps that in response to a received starting instruction of an engine, the rail pressure of a fuel injection metering valve, fuel supply data and the rotating speed of the engine are obtained; whether a fuel injection metering valve is blocked or not is determined according to the rail pressure and the fuel supply data; executing a self-cleaning strategy of the oil injection metering valve in response to determining that the oil injection metering valve is stuck and the rotating speed of the engine is smaller than or equal to the preset rotating speed; according to the self-cleaning strategy of the oil injection metering valve, the working frequency of a valve element of the oil injection metering valve is reduced, and the movement amplitude of the valve element is increased. The clamping stagnation risk caused by fuel oil impurities is reduced, meanwhile, abrasion caused by long-time low-frequency long-stroke work of the oil injection metering valve is effectively avoided, and the service life of the oil injection metering valve is prolonged.

The invention discloses a modular multi-fuel industrial burner plasma igniter with an efficient cooling structure. The modular multi-fuel industrial burner plasma igniter comprises an ignition module, an efficient cooling module, a fuel adaptation module and an intelligent control module. A plasma arc generator is arranged in the ignition module and is used for generating a high-temperature ignition source; the efficient cooling module adopts a multi-layer surrounding type flow channel design, and active heat management of the ignition module is achieved through forced circulation of a cooling medium; the fuel adaptation module supports rapid switching and stable supply of various fuels such as natural gas, fuel oil and biomass gas through standardized interfaces and pipelines; the intelligent control module integrates ignition control, fuel switching and thermal management strategies, monitors the system state in real time and automatically adjusts operation parameters. By means of the modular architecture and the efficient cooling technology, the problems that a traditional plasma igniter is prone to overheating damage, poor in adaptability and difficult to maintain under the high-temperature and multi-fuel working conditions are solved.

The invention relates to cleaning equipment for a fuel oil injection pipe, the cleaning equipment comprises a cleaning table, a cleaning cavity is formed in the middle position of the top of the cleaning table, and supporting frames are installed at the tops of the two ends of the cleaning table. A first electric telescopic rod in the cleaning assembly drives a first cleaning brush and a second cleaning brush to synchronously brush the inner wall and the outer wall of the fuel oil injection pipe body, and a movable pipe in the flushing assembly is matched to drive a nozzle to flush the fuel oil injection pipe body, so that oil stains and impurities are effectively removed; and a heating rod, an upper heating cover and a lower heating cover in the drying assembly are combined to efficiently dry the cleaned fuel injection oil pipe body, it is ensured that the interior of the oil pipe is dry and free of residues, and secondary pollution is avoided.

The invention relates to a control method based on low-temperature cold start of a heuristic integrated heavy oil engine, and relates to the field of heuristic integrated heavy oil engines. According to the technical scheme, the preheating plug in the cylinder is combined with the air inlet heating grid, synchronous control is achieved through the same relay, the electric energy requirements of synchronous work and dragging and preheating are met by means of sufficient battery capacity, and the device can be adapted to the ultra-low temperature of-40 DEG C or below and the plateau environment of 4700 m or above; three starting attempts are supported by single-time power-on through intelligent preheating control logic, the pre-preheating and heating-while-dragging processes are executed each time, fault information is automatically uploaded after starting fails, frequent power-off is not needed, and the starting efficiency is improved. And moreover, through an intermittent post-preheating and intake synchronous heating strategy, the combustion stability in the cylinder is effectively improved, the rotating speed fluctuation time is shortened, and mechanical damage caused by flameout and unstable idling after starting is avoided. In addition, the dragging rotating speed control based on the torque can prevent the problem of engine damage caused by accidental detonation after multiple starting failures.

The invention provides an aviation oil filling system and an aviation oil filling device. The aviation oil filling system comprises a pair of oil barrels and an oil pumping system, the oil pumping system comprises a pair of oil pump assemblies, a filter separator, a flow meter, a rubber pipe reel and an oil filling gun, and the pair of oil pump assemblies are inserted into the pair of oil barrels respectively and make contact with oil in the oil barrels. The pair of oil pump assemblies is sequentially communicated with the filter separator, the flow meter, the rubber pipe reel and the oil gun to form an oil filling loop. Wherein during refueling, one oil pump assembly in the pair of oil pump assemblies is in a working state, and the other oil pump assembly is in an idle state. By arranging the pair of oil barrels, the capacity of the aviation oil filling system is increased, the aviation oil supply volume is improved, and meanwhile by arranging the pair of oil pump assemblies to work in turn, the oil supply efficiency can be improved.

The invention discloses a continuous production process for preparing special asphalt by a co-carbonization method, which comprises the following steps: by taking petroleum slurry and coal pitch as basic raw materials, adding an initiator to form a co-carbonization raw material, preheating the raw material by a heating furnace, feeding the preheated raw material into a reaction tower, and carrying out co-carbonization reaction at specific temperature and pressure in a mixed gas atmosphere to obtain the special asphalt. Special asphalt generated by the reaction is distilled out from the bottom of the reaction tower, gasoline, diesel oil and normal-pressure residual oil are separated from light components distilled out from the tower top through normal-pressure distillation, and then wax oil and heavy oil are further separated from the normal-pressure residual oil through reduced-pressure distillation. The process is not only suitable for producing impregnated asphalt, asphalt binder and coated asphalt required by lithium ion battery graphite negative electrode materials, and realizes industrial continuous preparation of special asphalt, but also all performances of the product meet index requirements. Meanwhile, by-products such as gasoline, diesel oil, wax oil and heavy oil are synchronously and efficiently separated and recovered, and the recovery rate of the by-products reaches 100%. The reaction conditions are mild, and the production efficiency and the resource utilization rate are remarkably improved.

The invention belongs to the field of aircraft fuel oil thermal management system architecture design, and particularly relates to an aircraft fuel oil thermal management system architecture optimization design method, which comprises the following steps: step 1, generating all potential architectures of a fuel oil thermal management system: S1, initializing to generate a point set of connection nodes representing the thermal load of the fuel oil thermal management system; s2, generating a plurality of edges corresponding to the number of thermal loads of the fuel oil thermal management system, connecting each node in each point set, and generating an edgeless directed graph; s3, endowing the fuel oil thermal management system with thermal load significance for each edge in each edgeless digraph to obtain a corresponding fuel oil thermal management system architecture, deleting repeated architectures in the architecture to obtain all potential architectures of the fuel oil thermal management system; and 2, taking the fuel oil flow at the outlet of the fuel tank as an optimization variable, taking the minimum required fuel oil flow as an optimization target, and preferentially obtaining an optimal fuel oil heat management system architecture from all potential architectures of the fuel oil heat management system.

The invention discloses a rotating detonation afterburner based on centrifugal nozzle discrete injection, and belongs to the technical field of detonation propulsion. The combustion chamber comprises a gas collecting cavity, an injection unit, a centrifugal nozzle, an outer ring and an inner column, wherein an annular detonation combustion chamber is formed between the inner wall surface of the outer ring and the outer wall surface of the inner column. The centrifugal nozzles are uniformly arranged at the intersection of the gas collection cavity and the injection unit in the circumferential direction to realize primary atomization of the fuel oil; the air is accelerated by the injection unit from the air collection cavity and then is mixed with the atomized fuel oil, secondary atomization is achieved, the particle size of liquid drops is remarkably reduced, and the fuel activity and mixing uniformity are improved. The injection unit adopts a Laval nozzle profile, air is accelerated to supersonic speed in the injection unit, and pressure of a combustion chamber is prevented from being transmitted forwards. The rotary detonation engine is suitable for the high-temperature low-oxygen environment, supports the annular combustion chamber configuration and the empty cylinder combustion chamber configuration, can achieve stable rotary detonation detonation and propagation of liquid fuel and air, and provides technical support for engineering application of the rotary detonation engine.

The invention relates to a subcritical / supercritical fuel rotational flow oil supply type combustor and a gas-oil rotational mixing method, the subcritical / supercritical fuel rotational flow oil supply type combustor comprises an outer-stage venturi tube, an inner-stage venturi tube and a nozzle which are coaxially arranged, an outer-stage air rotational flow channel is arranged between the outer-stage venturi tube and the inner-stage venturi tube, an inner-stage air rotational flow channel is arranged between the inner-stage venturi tube and the nozzle, and the outer-stage venturi tube and the inner-stage venturi tube are coaxially arranged. The nozzle is connected with an oil supply pipeline, an air constraint jet flow channel and a fuel oil channel are arranged in the oil supply pipeline, and swirl vanes are arranged in the air constraint jet flow channel; meanwhile, the invention further provides a gas and oil rotary mixing method of the combustor. The air constraint jet flow channel capable of being opened and closed is integrated in the oil conveying pipeline, the combustion chamber can adapt to two working states of subcritical fuel oil and supercritical fuel oil, the working range of the combustion chamber is widened, and the combustion chamber can serve aero-engines with high performance and high thrust-weight ratio.

The invention relates to the technical field of aero-engine combustion chamber design, in particular to a multi-layer mixing section structure of a pulse detonation combustion chamber. The multi-layer mixing structure is characterized in that the multi-layer mixing structure comprises a multi-layer mixing section arranged in a detonation pipe, an oil supply pipe is arranged on the detonation pipe, the multi-layer mixing section comprises an inner mixing ring and an outer mixing ring, and the inner mixing ring and the outer mixing ring form three Venturi type circulation channels through connecting structures; and a fuel nozzle connected with an oil supply pipe is arranged at the axis of the inner mixing ring. By means of the multi-layer mixing section, incoming flow air is divided into multiple jet flows, the mixing efficiency of fuel oil and air is improved, the mixing uniformity of the fuel oil and air is remarkably improved, and the mixing distance is shortened. Meanwhile, according to the regenerative cooling structure, a fuel oil channel is designed in a multi-layer mixing section, recycling of the wall face of the pulse detonation combustion chamber is achieved, meanwhile, the oil injection temperature is increased, the fuel oil and air mixing effect is improved, and the combustion efficiency is improved.

The invention belongs to the technical field of engines, and particularly relates to a normal-pressure oxygen supplementation device and method for a microminiature aero-engine. The normal-pressure oxygen supplementing device comprises an oxygen generator, a combustion chamber, an igniter, a flow guide assembly and an evaporation assembly, a shell of the flow guide assembly communicates with the oxygen generator, and a plurality of first flow guide holes and a plurality of second flow guide holes are formed in the first end face of the shell at intervals; the valve plate is rotationally connected into the shell, and the valve plate is switched between a first state and a second state; the evaporation assemblies are arranged in the combustion chamber and correspond to the second flow guide holes in a one-to-one mode, each evaporation assembly comprises an evaporation pipe, the evaporation pipes communicate with the corresponding second flow guide holes, one ends of the evaporation pipes communicate with the oil supply end of the engine, and the other ends of the evaporation pipes are open. Fuel oil can be evenly mixed with supplemented oxygen after being sprayed out, so that the fuel oil is fully and completely combusted, the work efficiency of an engine is improved, and the service life of the engine is prolonged.

The utility model discloses a fuel oil steam generator for seaweed extraction, which belongs to the field of seaweed extraction, and comprises a generator body, the bottom of the generator body is fixedly connected with an outer cover, and the upper part of the inner wall of the outer cover is fixedly connected with telescopic noise reduction cotton; through the arrangement of the motor, the threaded rod, the threaded sleeve, telescopic noise reduction cotton, a first conical tooth, a second conical tooth, a rotating rod, a gear, a rack and a water pipe, when the motor drives the threaded rod to rotate, the threaded sleeve in threaded fit with the threaded rod can drive the telescopic noise reduction cotton to move upwards through a limiting block; furthermore, the device enables the generator body not to generate loud noise in the use process, certain damage to eardrums caused by the fact that surrounding workers are in the environment for a long time is prevented, and after the generator body is used for a long time, the surface of the generator body is not at a high temperature through cooling of the water pipe, so that the service life of the generator body is prolonged. And the normal use of the control host is prevented from being influenced by high-temperature line burnout.

The embodiment of the utility model discloses a wastewater or feed liquid deoiling device. A waste water or feed liquid oil removal device is of a hollow cavity structure and comprises a shell and an inner cavity, the inner cavity is divided into a steady flow area, a coalescence area and a separation area which are communicated, and the steady flow area is separated from the coalescence area through a pore plate; the flow stabilizing area is provided with a wastewater inlet, an elbow, a baffle plate and a sludge collecting bag; the coalescence area is provided with an egg support type corrugated plate and a mud collecting bag; open holes are respectively formed in the tops of the convex parts and the bottoms of the concave parts of the egg support type corrugated plate; and the separation area is provided with a light oil overflow port, a water outlet and a mud collecting bag. The device disclosed by the utility model has a better removal effect on heavy oil, light oil, suspended matters and the like, greatly reduces the treatment cost, is simple to operate, high in integration level and smaller in occupied area, and has a better application prospect.

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 invention provides an efficient air heat exchanger of a heavy oil piston engine. The efficient air heat exchanger comprises a shell and a core body installed in the shell. The core body is formed by arranging a plurality of TPMS cells, the core body is divided into two regions which are not communicated by the curved wall surfaces of all the TPMS cells, the two regions are respectively a high-temperature region and a low-temperature region, the high-temperature region comprises a plurality of high-temperature runners which are communicated with one another, and the low-temperature region comprises a plurality of low-temperature runners which are communicated with one another; the high-temperature runners and the low-temperature runners are arranged in parallel at intervals, so that the high-temperature runners and the low-temperature runners are crossed and wound; on the basis of a standard cell, the TPMS cell used by the core body is stretched to be three times of the length of the standard cell in the length direction of the high-temperature runner / low-temperature runner, and the curved wall surface of the TPMS cell is biased, so that the volume ratio of the high-temperature runner to the low-temperature runner is changed from 1: 1 of the standard cell to 3: 1. The cooling device is used for cooling high-temperature compressed air at the outlet of the air compressor of the heavy oil piston engine and can reduce the flow resistance of high-temperature fluid.

The utility model discloses an LNG ship hybrid power system based on fuel oil and natural gas hydrate. The LNG ship hybrid power system comprises an engine selection control unit, an engine, a fuel oil supply unit and a natural gas hydrate supply unit. The engine selection control unit is connected with the engine, the fuel oil supply unit and the natural gas hydrate supply unit, and the engine selection control unit selects the fuel oil supply unit to provide fuel for the engine or selects the natural gas hydrate supply unit to provide fuel for the engine according to the load change of the engine; the fuel supply unit is connected with an engine through a fuel stop valve, and the fuel stop valve is controlled by the engine selection control unit. The natural gas hydrate supply unit is connected with an engine through a natural gas stop valve, and the natural gas stop valve is controlled by the engine selection control unit. The natural gas hydrate releases gaseous natural gas after being heated, and the gaseous natural gas is provided for an engine as fuel.