289 results about "Alternative fuels" patented technology

The invention provides a cement decomposing furnace temperature prediction control method based on a KAN enhanced neural network, and belongs to the technical field of cement calcination. A CNN-LSTM-KAN network is established as an f-CaO and Nox prediction model, and a state parameter optimization objective function is established in connection with actual production requirements; and solving an optimal solution and an optimal solution interval of the state parameters of the decomposition furnace through a multi-target particle swarm optimization algorithm. A KAN-Enhanced-Informer network is established to predict the temperature of the decomposition furnace, a target function is established by combining a state optimization result with the more accurate prediction result, the less coal consumption and the reasonable alternative fuel quantity as targets, the optimal solutions of the coal feeding quantity and the alternative fuel quantity are obtained, and the optimal solutions are applied to a control model to ensure that the temperature of the decomposition furnace reaches the optimal set value. The problems that in the actual cement production process, energy consumption is too high, the yield is not ideal, and much sewage is discharged are solved.

The invention relates to the technical field of machine learning, and discloses a cement kiln alternative fuel consumption prediction method and system based on machine learning. The method comprises the following steps: processing alternative fuel characteristic parameters in a cement kiln system and kiln system operation parameters to obtain a cement kiln multi-source data set; performing thermal analysis test on the alternative fuel sample to obtain an alternative fuel combustion characteristic parameter set; analyzing the dynamic association relationship between the kiln system working condition and the alternative fuel characteristics to obtain a working condition adaptability parameter set; extracting a combustion time-space feature set consumed by the alternative fuel of the cement kiln; performing multi-model parallel processing and prediction result fusion on the combustion space-time feature set to obtain first prediction data; and executing adaptive error correction, and outputting second prediction data and a fuel adjustment suggestion. According to the method, the complex non-linear relation and the time-lag effect between the kiln system working condition and the alternative fuel characteristics are effectively captured, and accurate prediction and optimal control over the alternative fuel consumption are achieved.

The invention relates to an independent inner and outer needle valve type flexible fuel injector which comprises an injector shell, internally and externally nested needle valve matching parts, an electromagnetic control valve assembly and a double-row injection hole structure, and a diesel oil high-pressure oil way and a low-carbon fuel high-pressure oil way are arranged in the injector shell; the electromagnetic control valve assembly is arranged in the upper portion of the ejector shell, independently controls diesel oil injection and is of a hydraulic balance valve structure. Needle valve matching parts nested inside and outside are installed at the bottom of the ejector shell and connected with the electromagnetic control valve assembly through a spring guide sleeve, a limiting block and a middle rod. A double-row spray hole structure is arranged at the bottom of the internally and externally nested needle valve matching part; the inerting valve set is connected to the low-carbon fuel high-pressure oil way and used for purging and inerting during fuel switching. By means of the nesting needle valve, the diesel oil lubrication seal, the independent control valve and the inerting design, efficient and stable dual-fuel injection is achieved, the problem of mixing in the prior art is solved, the service life of the injector is prolonged, and the dual-fuel injector is suitable for ship engines with alternative fuel such as methanol / ammonia.

The invention relates to the technical field of pure ammonia combustors, in particular to a catalytic auxiliary cracking plasma pure ammonia combustor and an operation method thereof. According to the technical scheme, the device comprises catalytic cracking areas, a purification area, a pre-combustion area, a main combustion area, an ammonia supply area and a waste heat system, the catalytic cracking areas are arranged on the two sides of a combustor and comprise an ammonia gas inlet channel and a catalytic reaction area internally provided with a porous medium, and a catalyst fixedly grows on the surface of the porous medium; the purification area is located outside the combustor and connected with an outlet of the catalytic cracking area through a pipeline, and selective separation membranes are arranged at the outlet end and the exhaust end of the purification area respectively; the pre-combustion areas are distributed on the two sides of the main combustion area, comprise air inlet channels and plasma igniters and communicate with an outlet of the purification area. According to the invention, the problems of ignition, stable combustion and low NOx emission of the ammonia fuel are solved, the unification of efficient energy utilization and industrial applicability is realized, and a key technical support is provided for large-scale application of the ammonia alternative fuel in an industrial kiln.

The invention belongs to the technical field of energy conservation and environmental protection, and discloses a cement kiln system for coupling oxygen enrichment and staged combustion by using alternative fuel in a large proportion, which comprises a circulating fluidized bed system, a decomposing furnace, a rotary kiln and a grate cooler, the kiln tail of the rotary kiln is connected with the bottom of the decomposing furnace, a bottom gasified gas spraying pipe is arranged between a kiln tail smoke chamber of the cement kiln and a coal spraying pipe of the conical part, and an upper gasified gas spraying pipe is arranged on the upper portion of the middle section of the decomposing furnace; the bottom gasified gas spray pipe and the upper gasified gas spray pipe are both connected to a gasified gas outlet of the circulating fluidized bed system; and a semi-gasified gas spray pipe is arranged at the upper part of the lower section of the decomposing furnace and is connected to a semi-gasified gas outlet of the circulating fluidized bed system. The disposal amount of the alternative fuel can replace 50% of pulverized coal in the decomposing furnace, and the requirement for using the alternative fuel in a large proportion is met.

The invention relates to the technical field of alternative fuel storage, and discloses an alternative fuel storage and feeding device which comprises a storage bin body, a conveying mechanism, a disintegration material taking mechanism, a monitoring scale, a material level radar and a controller. A feeding port and a discharging port are formed in the two ends of the opposite top and bottom of the storage bin body, an opening is formed in the bottom of the storage bin body, the top of the conveying mechanism is in matched sealing connection with the opening of the storage bin body, the disintegration material taking mechanism is fixedly connected to the other end of the storage bin body, and the monitoring scale is arranged on the discharging port. The material level radar is arranged in the middle of the top of the storage bin body, and the controller is electrically connected with various mechanisms. The storage feeding device conveys materials through the conveyor, the scattering and material taking device is arranged to scatter the materials, the controller is arranged to process various information, monitored by the monitoring scale and the material level radar, of the materials, the material conveying speed and volume are corrected, the stability and accuracy of discharging metering are improved, and reasonable use of alternative fuel is guaranteed.

A vehicle provided with a frame (1) comprising two side members (2, 3) connected together at least by a cross member (4), an alternative fuel module (6) and a support system (5) connected to the frame (1) for supporting the alternative fuel module (6), the support system (5) comprising at least a first support element (7) and a second support element (8), both being configured to be fixedly connected to the alternative fuel module (6) via coupling portion (11, 9b′), the coupling portion (9b′) of the second support element (8) being connected to both the side members (2, 3) and the coupling portion (11) of the first support element (7) being connected to the cross member (4) via a movable connection.

An ignition diagnostic system and method for evaluating and optimizing the ignition performance of internal combustion engines (ICEs), such as those that burn hydrogen (H2) and / or other fuels. According to one example, the ignition diagnostic system and method use an artificial intelligence (AI) model with one or more machine learning (ML) algorithm(s) to identify, predict and / or otherwise evaluate abnormal combustion events, and to provide such information to an electronic control unit (ECU) in real-time. The ECU, in turn, can make combustion-related modifications to one or more components of the ignition system to optimize performance. By integrating the AI model into the ignition diagnostic system and method, a fast and simplified solution is provided that can be implemented across a wide variety of ICEs, including those that burn alternative fuels, where detecting abnormal combustion events and monitoring combustion-related parameters can be important.

METHOD, APPARATUS, COMPUTER DEVICE AND STORAGE MEDIUM FOR DETERMINING ALTERNATIVE FUELS The present invention relates to a method, device, computer device and storage medium for determining an alternative fuel, the method comprising: obtaining a target fuel corresponding to a target cement kiln and a plurality of alternative component categories, property parameters, a maximum carrying capacity of an alternative fuel combination to be selected, as well as a fuel boundary condition, constructing an objective function and a constraint condition; Based on the objective function and the constraint conditions, calculating the initial alternative fuel combination ratio solution for each alternative fuel combination to be selected;using a non-dominated sequential genetic algorithm to optimize the initial alternative fuel combination ratio solution, and calculating the theoretical substitution ratio of each optimized alternative fuel combination; based on the theoretical substitution ratio, selecting a fuel combination from a plurality of alternative fuel combinations to be selected. Based on the theoretical substitution ratio, determining the alternative fuel component scheme corresponding to the target fuel from among the alternative fuel combinations to be selected. The invention solves the problem of fluctuation of working conditions in cement kilns due to the complexity of the composition of alternative fuels, and improves the accuracy and reliability of determining alternative fuels. Figure for abstract: none;

An engine can utilize a combustor to combust fuel to drive the engine. A fuel nozzle assembly can supply fuel to the combustor for combustion or ignition of the fuel. The fuel nozzle assembly can include a swirler and a fuel nozzle to supply a mixture of fuel and air for combustion. Increasing efficiency and meeting emission needs can be met with the use of alternative fuels, which combust at higher temperatures or higher speeds than traditional fuels, requiring improved fuel introduction without the occurrence of flame holding or flashback.

An alternative fuel vertical pre-combustion furnace comprises a vertical combustion chamber furnace body, a multi-stage stepped furnace hearth arranged on the side wall of the pre-combustion furnace body and a pneumatic pulse injection device arranged on the furnace hearth, and castable is arranged on the inner wall of the whole furnace body. Light flammable substances are completely incinerated under the driving of high-speed airflow, heavier flame-retardant substances fall into the next step to be continuously incinerated, the burn-off rate of the alternative fuel is greatly improved after the alternative fuel stays, is scattered and is pre-combusted, and completely-combusted material residues are dispersed by strong injection of compressed air of an air cannon system; therefore, the influence on the cement kiln caused by sedimentation of the material slag agglomerated in the decomposing furnace is solved. And materials on the uppermost combustion platform sequentially slide to the second-stage combustion step platform and then slide to the next-stage combustion platform layer by layer, and the process is repeated. And waste gas and ash after incineration are discharged from the bottom of the pre-combustion furnace and enter a kiln tail decomposing furnace system, when the material slag is harmful to the kiln system, the material slag can be discharged, and high-temperature airflow enters the decomposing furnace.

The invention discloses a coupling low-carbon combustion process device and an adjusting method thereof, and relates to the field of coupling low-carbon combustion process devices, the coupling low-carbon combustion process device comprises a fuel supply system, an oxygen-enriched / total-oxygen supply system, an air supply system, a flue gas circulation system, a fuel combustion system and a flue gas treatment system; the fuel supply system is used for providing solid-phase fuel, liquid-phase fuel and gas-phase fuel; the oxygen-enriched / total-oxygen supply system is combined with the air supply system and used for changing the combustion atmosphere in the combustion furnace and achieving fuel oxygen-enriched / total-oxygen combustion. The flue gas treatment system comprises a two-stage heat exchanger, a cooling tower and a dust collector; the fuel combustion system is composed of a combustion furnace, an online flue gas analyzer and a temperature, pressure and flow detection device. According to the invention, the synergistic effect among different processes is realized, so that the defect of single process application of the existing platform is effectively overcome, a new solution is provided for low-carbon, high-efficiency and clean industrial combustion process, and multiple low-carbon combustion processes such as alternative fuel combustion, oxygen-enriched / oxygen-full combustion, flue gas circulation and the like are organically coupled.

The invention relates to all-solid-waste high-alkalinity sintered ore and a preparation method, and belongs to the technical field of sintering. The sintered ore comprises the following raw materials in parts by weight: 65-75 parts of high-iron solid waste, 8-13 parts of high-carbon solid waste, 10-15 parts of high-calcium solid waste and 8-12 parts of water. Complementation is realized by mixing different solid waste types, the iron source is provided by the high-iron solid waste, the fuel is replaced by the high-carbon solid waste, the alkalinity is adjusted by the high-calcium solid waste, the prepared sintered ore can meet the steelmaking requirement, and the comprehensive utilization rate of the metallurgical solid waste is greatly increased.

A process and system for producing an engineered fuel product that meets customer specifications for composition and combustion characteristics is provided. The engineered fuel product is preferably a high-BTU, alternative fuel that burns cleaner than coal or petroleum coke (petcoke) and has significantly reduced NOx, SO2 and GHG emissions.

The present invention relates to the technical field of alternative fuel in the cement industry. Disclosed is a high-proportion alternative fuel pre-treatment and cement kiln incineration system, comprising a stacking shed, a storage system, a rotary kiln, a pulverized coal burner, a cooler, a tertiary air duct and a preheated raw-material preheater; and further comprising a crushing system, a homogenization system, metering systems, conveying systems, gravity-type feeding systems, a multifunctional decomposition furnace, a special combustor for alternative fuel, and a pneumatic conveying system. In the present invention, the particle size of crushed alternative fuel is controlled on the basis of a flue gas suspension speed, such that the alternative fuel combusts in a suspended manner in the multifunctional decomposition furnace; the alternative fuel is metered by means of the three metering systems, and the alternative fuel in one path is fed into the special combustor; the special combustor and the pulverized coal combustor are arranged one above the other in the rotary kiln, and pulverized coal combustion is used to drive the combustion of the alternative fuel; and the gravity-type feeding systems and their respective two airlock discharge valves, which are alternately opened, are used to feed in the alternative fuel, thereby reducing air leakage during a feeding process.

A turbine engine can utilize a combustor to combust fuel to drive the turbine, which drives the engine. A fuel nozzle assembly can supply fuel to the combustor for combustion or ignition of the fuel. The fuel nozzle assembly can include a swirler and a fuel nozzle to supply a mixture of fuel and air for combustion. Increasing efficiency and carbon-containing emission needs benefit from the use of alternative fuels, which combust at higher temperatures than traditional fuels, requiring improved fuel introduction without the occurrence of flame holding or flashback.

The present invention belongs to the technical field of efficient utilization of clean, low-carbon energy using solid waste to prepare renewable energy, and specifically relates to an integrated apparatus for coal-fired kiln raw material fuel alternative dechlorination, denitrification, and coordinated solid waste treatment, comprising: a continuous rotary arch-breaking boiling gasification furnace apparatus, a secondary combustion and gas-solid separation apparatus, a circulating cooling apparatus and a control system. During a shutdown period of a cement kiln, a solid waste alternative fuel is in an aerobic full combustion working state, and a residue produced after combustion can be used as a mixed material for cement production or a raw material for cement clinker production. When a solid waste alternative fuel is burned in an oxygen-free or oxygen-poor reduction process, a high-temperature combustible gas having reducing properties is generated. The high-temperature combustible gas enters a cement kiln decomposition furnace and a pre-decomposition system, decreasing the generation of nitrogen oxides in the cement kiln decomposition furnace and pre-decomposition system. At the same time, the reducing atmosphere can be burned in the cement kiln system to generate heat, which can reduce the amount of coal used.

The embodiment of the invention discloses an alternative fuel sail-aided hybrid power ship emission optimization control system and method, and the method comprises the steps: forming a CO2 emission spatial and temporal distribution characteristic mapping table through an emission characteristic analysis unit, and solving a constructed CO2 emission optimization model through an emission optimization decision unit by employing an NSGA-III optimization algorithm, obtaining an optimization result corresponding to the lowest CO2 emission of the alternative fuel sail-aided hybrid power ship; the CO2 emission level corresponding to the optimized operation scheme of the alternative fuel sail-aided hybrid power ship is evaluated and analyzed through an emission optimization evaluation unit; meanwhile, collaborative optimization control over the alternative fuel sail-aided navigation hybrid power ship is achieved through the CO2 emission optimization control unit, and then optimization control over the alternative fuel sail-aided navigation hybrid power ship with the lowest CO2 emission is achieved.

The invention relates to the technical field of cement mine digital mining engineering, and discloses a cement production line carbon emission data cross coupling verification method, which comprises a carbon emission online monitoring module A1, a carbon emission online accounting module A2 and a big data cross coupling model A3, the carbon emission on-line monitoring module A1 is a carbon emission on-line monitoring system mounted at a pollution source discharge port at the kiln tail of a cement production line; the carbon emission online monitoring system comprises automatic monitoring of flue gas CO2 concentration, flue gas flow rate, flue gas humidity, flue gas temperature and flue gas pressure parameters and real-time carbon emission obtained through calculation of the automatic monitoring parameters. According to the invention, cross checking and data coupling can be carried out on the carbon emission data obtained by the two methods through a big data model, a universal automatic monitoring technology and the accounting business of a cement production line are fused, the influence of alternative fuel on the monitoring of the carbon emission in the cement industry is solved, and the effective connection of an accounting method and online monitoring is realized.

The invention discloses a clay activation process coupling oxygen-fuel combustion and suspension calcination, and relates to the technical field of cement raw material treatment. The invention relates to a clay activation process for coupling oxygen-fuel combustion and suspension calcination, which is characterized in that smoke of oxygen-fuel combustion is used as combustion gas, so that the heat loss of heating low-temperature air is avoided, the oxygen content in the smoke can be controlled, the combustion effect of alternative fuel is improved, and the reducing atmosphere is maintained; meanwhile, compared with single suspension calcined clay, oxygen-free environment cooling and reducing atmosphere calcination are achieved under the condition that additional means are not added, the use of alternative fuel can be further improved, tail end smoke can return to an oxygen-fuel combustion production line and enter a carbon capture system, and production of zero-carbon calcined clay is truly achieved; the problem of high carbon emission in traditional cement production is solved while optimal allocation of resources and efficient utilization of energy are achieved, zero-carbon cement preparation is achieved, carbon emission in the cement industry is remarkably reduced, and the environmental influence is reduced.

The invention discloses an improved biomass alternative fuel stirring device, and relates to the technical field of comprehensive utilization of biomass alternative fuels. The three-section type material stirring device is provided with three sections, namely an upper side material stirring section, a middle side material stirring section and a lower side material stirring section; the material bin is fixed between the fixing frames, and the three-section type material stirring device is arranged in the material bin; the discharging opening is formed in the bottom of the material bin and corresponds to the lower side material stirring section; the discharging platform is arranged on the lower portion of the lower side material stirring section and corresponds to the discharging port. The staggered material stirring sawtooth unit is fixed on the material stirring section; and the two groups of offset fork type sawtooth shaft sleeve units are symmetrically distributed and are fixed at the two ends of the material stirring section. According to the invention, the biomass alternative fuel is uniformly stirred, the constant stirring amount is ensured, the phenomena of material accumulation and material blockage are effectively avoided, and the stable operation of a subsequent system is ensured.

The invention relates to the technical field of energy processing, and provides a powder alternative fuel system, which comprises a crushing bin; a supporting part is arranged at the bottom of the crushing bin, a mounting frame is arranged on one side of the crushing bin, a crushing bin is arranged on the surface of the mounting frame, two sets of symmetrically-arranged crushing parts are arranged on the inner wall of the crushing bin, and a driving part matched with the crushing parts is arranged on one face of the crushing bin. According to the device, raw materials are thoroughly and homogeneously crushed into fine powder through combination of a double-roller type coarse crusher and a high-speed crusher, a heating pipe and a temperature control system are innovatively integrated in a crushing bin, online drying can be performed according to the humidity of the raw materials, and the fuel heat value is increased. The processed powder fuel is stably and directly conveyed to a combustor in an anti-blocking and anti-backfire mode through a spiral-rotary valve-wind power jet mechanical and pneumatic two-stage closed conveying chain, and full-process automatic and closed operation from raw materials to ignition points is achieved.

The invention relates to the technical field of biofuels, and discloses an aviation kerosene biological alternative fuel based on multi-objective optimization, which is characterized in that a comprehensive selection index system comprising density, kinematic viscosity, thermodynamic characteristics (lower calorific value and hydrogen-carbon ratio) and molecular weight is established based on a multi-objective optimization model constructed by a genetic algorithm; the invention discloses a biological fuel formula for replacing RP-3 aviation kerosene by optimizing the design of biological alternative fuel components, the biological alternative fuel is prepared from the following components in parts by volume: 70-80 parts of second-generation biodiesel, 10-15 parts of tetrahydrofuran and 7-15 parts of isopropanol, the components are easy to obtain, the production process is simple, and the biological alternative fuel is suitable for large-scale production. The second-generation biodiesel, tetrahydrofuran and isopropanol are used as raw materials, the obtained biofuel has low kinematic viscosity, the low calorific value reaches 43 MJ / kg or above, the physicochemical property of the biofuel is similar to that of RP-3 aviation kerosene, and the biofuel has good substitutability and wide popularization value.

The invention discloses a system and method for coupling anaerobic pyrolysis and upgrading of household garbage with a cement kiln, and belongs to the technical field of alternative fuels for cement production. The system comprises a garbage drying pyrolysis system, a cement kiln system and a bypass ventilation system, the garbage pyrolysis system is mainly used for producing high-quality high-chlorine-containing garbage carbon after garbage reduction treatment, and the produced garbage carbon has a flexible operation mode, can be stored in a coal storage bunker and can also be directly conveyed into a rotary kiln. Wherein the drying furnace is responsible for carrying out pre-drying treatment on garbage and removing moisture; the pyrolyzing furnace receives the dried garbage and executes a pyrolyzing procedure; the cement kiln system can produce cement clinker by using the garbage carbon; the bypass ventilation system aims at treating high-temperature chlorine-containing flue gas generated by the rotary kiln, reducing coking and corrosion at positions such as a decomposing furnace and a suspension preheater, and prolonging the service life of equipment. According to the invention, efficient resource upgrading utilization of the household garbage can be realized, the operation mode is flexible, and continuous treatment of the garbage can be realized.

The utility model discloses a storage and transportation system for solid alternative fuel, and relates to the technical field of material storage and transportation systems. The system comprises an unloading area, a storage area and a discharging area which are adjacent in sequence. A traveling crane grab bucket capable of traveling is arranged above the unloading area, the storage area and the discharging area, and the traveling crane grab bucket can stretch out and draw back up and down to grab alternative fuel; the storage area and the discharging area are respectively provided with different independent subareas aiming at different types of alternative fuels, a discharging hopper is arranged in each subarea, a metering belt weigher is arranged below each discharging hopper, and a near-infrared analyzer is arranged on each metering belt weigher and is used for monitoring the alternative fuels in real time; a belt conveyor is arranged below all the metering belt scales, different types of alternative fuels are mixed in the belt conveyor, and a metering bin is arranged below the end part of the belt conveyor; the unloading area, the storage area and the discharging area are arranged in a closed workshop at the same time, the upper portion of the closed workshop is connected with a waste gas treatment system, and waste gas released by alternative fuel is treated and discharged.

A powertrain is adapted to operate with an alternative fuel by modifying or replacing the high pressure fuel pump to provide a pathway to return fuel from the high pressure fuel pump to a pressure vessel. The fuel return pathway allows there to be a continuous flow that effectively cools the high pressure fuel pump and prevents vapor lock. The return flow pathway is arranged so that fuel flowing into the high pressure fuel pump must flow from a first side of a low pressure chamber to a second side of the low pressure chamber, wherein the first side and the second side are on opposite sides of the high pressure fuel pump. A flow regulator may control the return fuel flow. The flow regulator may include a check valve to sustain a continuous flow and a solenoid to provide a rapid flushing of the high pressure fuel pump.

The invention discloses a cement kiln alternative fuel dehumidification device, and relates to the technical field of cement kiln alternative fuels. Dry hot air is blown into the drying box through the hot air blower, alternative fuel in the rotary drum is dried, meanwhile, the rotary drum rotates and is matched with the stirring piece to stir the alternative fuel, and therefore the alternative fuel is scattered, and the alternative fuel drying effect is further improved. And hot air is conveniently conveyed into the inserting groove through the air guide pipe by means of the hot air blower, and then the hot air in the inserting groove passes through the air spraying holes, so that airflow in the stirring piece is sprayed into the rotary drum through the air spraying holes, and therefore the alternative fuel in the middle of the rotary drum is dried.

The invention provides a control method and device applied to an alternative fuel blending combustion system, and belongs to the technical field of alternative fuel combustion. The control method applied to the alternative fuel blending combustion system comprises the following steps that S1, operation data are collected; s2, acquiring a current alternative fuel state; s3, the tailing adjustment amount is obtained; s4, the tailing adding amount is obtained; s5, the current alternative fuel state is that the output value of the tailings being put into use is the first alternative-fuel-free tailing use amount, the current alternative fuel state is that the output value of the tailings being cut off is the first alternative-fuel tailing use amount, and the current alternative fuel state is that the output value of the tailings being cut off is the second alternative-fuel-free tailing use amount. The current alternative fuel state is that the tail coal output value is completely started and is the second alternative fuel tail coal consumption, and the current alternative fuel state is that the tail coal output value is completely stopped and is the third non-alternative fuel tail coal consumption. The complete control method can adapt to the whole process of alternative fuel from starting to stopping.

The present application relates to coal gangue treatment technical field, provide a kind of coal gangue-containing biofuel particle and its preparation method and application.The biofuel particle provided by the present application includes: coal gangue powder 60~62%;14~15% of oil-stained mixture;High molecular waste powder 24~26%;The oil-stained mixture is waste engine oil and / or oil-stained material;The oil-stained material is obtained by crushing and drying in turn from swill.The oil-stained mixture used in the present application is rich in oil and fat, with high volatile matter, easy to ignite, coal gangue and waste tires and / or waste plastic bottles have high fixed carbon content, long burning time, so that the biofuel particle of the present application has high calorific value, stable combustion, can be used as alternative fuel to alleviate the problem of traditional fossil fuel shortage.The present application uses catering leftovers swill, waste tires and / or waste plastic bottles and coal gangue powder, to prepare biofuel particles, which solves the various hazards caused by long-term storage of coal gangue.

To provide an alternative fuel vessel capable of reducing inboard operation arising with processing of drain with alternative fuel mixed in.SOLUTION: An alternative fuel vessel 1 includes, for example as shown in figure 2: a first recovery tank 13 for recovering drain discharged from a fuel engine (an alternative fuel engine 4 and a power generator 5) when using natural fossil fuel; and a second recovery tank 14 for recovering drain discharged from the fuel engine (the alternative fuel engine 4 and the power generator 5) when using the alternative fuel.SELECTED DRAWING: Figure 2