149results about How to "Lower fuel costs" patented technology

A system and a method for providing power to a marine vessel and, more particularly to a tugboat is disclosed. The system includes diesel engines and generators and batteries which can be charged using power supplied by the generators, shore power or regenerated power. The tugboat is operated utilizing battery power only and the generators are used to provide additional power if needed or to recharge the batteries.

A method and apparatus for fuel reforming using the exhaust gases from internal combustion engines and high temperature combustion processes in which a fuel for reforming and steam mixture is introduced into a tube bundle having a plurality of heat exchange tubes and heat from the exhaust gases is transferred into the heat exchange tubes, thereby increasing the temperature of the mixture. The heated mixture is reformed by contact with a reforming catalyst external to, but proximate to the exit of, the tube bundle, forming a reformed fuel. To remove substantially all of the heat from the exhaust gases, a plurality of tube bundles and associated reforming catalyst arranged in series are provided.

A synergistic insecticidal composition is formed containing a Chloronicotynyle compound and a Pyrethroids compound. The Chloronicotynyle compound is provided in an amount preferably ranging from 0.1 to 5.0% by weight of the synergistic insecticidal composition. The Pyrethroids compound is provided in an amount preferably ranging from 1 to 60% by weight of the synergistic insecticidal composition. The synergistic insecticidal composition also preferably includes 35 to 98.90% by weight of conventional agriculturally acceptable carrier(s) and/or excipients.

PROBLEM TO BE SOLVED: To form the anodically oxidized films of the row of zip teeth of a fastener chain to arbitrary thicknesses while preventing the defects of energization and contact.SOLUTION: The forming apparatus 1 has an external energizing section 8 for electrically and directly energizing an electrode plate 4a disposed in an electrolyte of a first electrolytic cell 2a and a chain introducing section 5 to each other and a plurality of energizing sections 9 for energizing two sets a pair of adjacent electrode plates 4 within the second and subsequent electrolytic cells 2 to each other across the electrolyte and the fastener chain F. While the fastener chain is successively wrapped around a plurality of rollers 3 and 7 and is transferred zigzag, the tooth trains of the fastener chain are directly energized through the energizing yarn of the fastener chain by the external energizing section. The two sets a pair of the second and subsequent electrode plates are energized to each other in the bath by the energizing sections. The anodically oxidized films having the arbitrary film thicknesses are formed by changing the number of the passage stages to the second and subsequent electrolytic cells, the energizing quantity in the arbitrary electrolytic cells, etc.

The invention provides a sludge treatment method and the device, in particular to a drying and treating sludge method and the device with a new type drying cement rotary kiln adopted as the sludge incineration system. The invention comprises the following steps to treat the sludge: the sludge is dried with the residual heat produced in the work course of the sludge incineration system; the waste gas produced during the drying course is directed and processed in a waste gas process system until reaching the standard, and then the waste gas is discharged out; the obtained dry sludge is delivered in the sludge incineration system and directly burnt without adding any auxiliary combustion materials, and the obtained residue is used to produce cement. The invention has the advantages of saving the fuels for drying sludge, avoiding the pollution of waste gas and residue, saving the processing cost of waste gas and residue, thus achieving the aims of energy saving and environment protection.

The invention discloses an exhaust gas waste heat steam producing system of a marine diesel generating set. The exhaust gas waste heat steam producing system comprises a hot well, a boiler water-feeding pump, a steam pocket, an exhaust boiler, an evaporator and a preheater, wherein the evaporator and the preheater are installed in the exhaust boiler, and the hot well is sequentially connected with the boiler water-feeding pump, the preheater, a steam pocket first inlet, a steam pocket first outlet, the evaporator, a steam pocket second inlet, a steam pocket second outlet and a fuel auxiliary boiler. Exhaust gas produced by the marine diesel generating set is led into the exhaust boiler. The exhaust gas waste heat steam producing system can effectively recover exhaust gas waste heat of the marine diesel generating set, save fuel cost and improve ship environment friendliness.

The invention relates to a low-emission static oxygen-control biologically-enhanced humification composting method. The method comprises the following steps: respectively crushing organic wastes intoparticles with the particle size of less than 5 cm; uniformly mixing and stirring according to a weight ratio; adding a biologically-enhanced composite microbial agent accounting for 0.1-0.5% of the total amount of the mixture and allowing the water content of the organic waste stock to be 60-65%, the carbon-nitrogen ratio to be 23-30, and the volume weight to be 700-950 kg/m<3> to obtain a composting raw material. Air with a supply amount of 0.40-0.45 m<3>/h/m<3>, air with a supply amount of 0.28-0.38 m<3>/h/m<3> and air with a supply amount of 0.13-0.26 m<3>/h/m<3> are respectively providedthrough high-pressure aeration pipes in the three stages of compost temperature rise, high temperature and temperature reduction to fully decompose organic matters; and after fermentation is completed, the water content of a finished product fertilizer is 33-42%, the volume weight is reduced to 400-650 kg/m<3>, the volume of a pile body is reduced by 30-50%, and meanwhile, emission of methane, nitrous oxide, ammonia gas and hydrogen sulfide is reduced.

The invention relates to a driving test training system, and particularly relates to a vehicle driver training VR vehicle learning system. The current real vehicle driving training mode has defects of being high in oil consumption and high in field requirements, existing certain danger and being influenced by weather and the like. The vehicle driver training VR vehicle learning system provided by the invention comprises an operation system, an audiovisual system and a simulation system, wherein the operation system transmits switching signals of each module to the simulation system; and the simulation system simulates the image and the sound scene for the driving process according to the switching signals transmitted by the operation system and presents the simulation scene in each module of the audiovisual system. A considerable part of the driving training can be transferred indoors, the fuel cost is saved, and the real vehicle wear can be reduced; besides, the indoor teaching does not need a large field, and the teaching process is not influenced by the weather; and a trainee can be helped to overcome the fear for first-time real-time driving, and the teaching is safer compared with the real vehicle teaching.

The invention discloses a construction method of a warm mix asphalt concrete pavement of a municipal road. The construction method comprises the following steps: 1, reforming and adjusting the traditional mixing equipment; 2, determining the construction temperature of a warm mix mixture; 3, mixing the mixture; 4, transporting the warm mix mixture to the construction position; 5, paving the warm mix mixture; 6, compacting the paved warm mix asphalt mixture. Compared with the prior art, the construction method has the beneficial effects that the mixing cost and production consumption of the asphalt mixture are lowered, the ageing is alleviated, the pavement performance is improved, the emissions of harmful gas and dust are reduced, the environmental pollution is lowered, and the working environment quality of a worker is improved.

The invention relates to a micro-grid dynamic optimization scheduling method combined with double master control cooperation and an MPSO algorithm. The micro-grid includes two master control power supplies: a storage battery energy storage system and a diesel generating set, and two non master control power supplies: a wind generating set and a photovoltaic power generation system. The method comprises 1) when the storage battery energy storage system is used as the master control power supply for the micro-grid, an economic scheduling optimization strategy for the system; 2) when the diesel generating set is used as the master control power supply for the micro-grid, an economic scheduling optimization strategy for the system; 3) an improved particle swarm optimization algorithm; and 4) a micro-grid economic scheduling optimization process for double master control cooperation based on the particle swarm optimization algorithm. The micro-grid dynamic optimization scheduling method utilizes the improved particle swarm optimization algorithm to solve an optimization scheduling module, can pursue the target of the optimal operation control mode for the system and the minimum generating cost at the same time, can effectively realize the minimum generating total cost target for economical operation of the micro-grid system and maximum utilization of the renewable energy source, and can improve the economical operation performance of the power-grid.

The invention discloses a fuel gas distributed type energy supply device for cooling inlet air by using solar energy. The fuel gas distributed type energy supply device comprises an air filter (1), a gas turbine generator set (2), a double-pressure residual heat boiler (3) and a steam turbine generator set (4), and further comprises a solar heat collector (5), a heat collection system heat exchanger (6), a hot water storage tank (7) and an absorption type refrigerator (8) which are connected in sequence by a pipeline, wherein the hot water storage tank (7) is connected with the side of a tail heat exchanger of the double-pressure residual heat boiler (3) through a pipeline; and the absorption type refrigerator (8) is connected with the air filter (1). According to the fuel gas distributed type energy supply device, solar heat absorption type refrigeration is used for cooling inlet gas of a gas turbine and the output power and efficiency of the gas turbine are improved, and the fuel cost is saved; meanwhile, combined cycle residual heat of fuel gas and steam is sufficiently utilized and the economy of the system is improved; and the aims of complementary advantages, energy conservation and environmental friendliness of renewable energy sources and a fuel gas distributed type energy supply system can be realized.

The invention relates to a decline contribution degree-based marine main engine associated component state monitoring method and system. The method selects stable working condition data in historicalhealth samples as input data for offline training, and a main engine economy evaluation baseline and an associated component economy health baseline are built; economy related monitoring data are acquired, the built main engine economy evaluation baseline is used to online analyze the main engine economy state, and when the economy state is normal, the operation is ended; when the economy state isabnormal, an abnormal alarm is given, and main engine associated component health state analysis is carried out; and the health state result of each component and the maintenance and investigation order for the components are obtained. The method and the system carry out main engine economy state judgment and main engine associated component health state monitoring at the same time, maintenance of the main engine and the associated components is effectively guided, the economy performance of the main engine is recovered, hidden dangers or exception/fault of the associated components are eliminated, the fuel cost is reduced, and practical significance is extremely facilitated.

The invention provides a multi-material self-conveying background feeding method and system, and belongs to the technical field of mixing station feeding. The method comprises the following steps of acquiring material information of a to-be-unloaded material and storage information of an existing material; determining a corresponding to-be-unloaded material transfer target bin and a correspondingdischarging point according to the material information and the storage information; generating a corresponding feeding scheme according to the to-be-unloaded material transfer target bin and the discharging point; and starting a feeding execution component to execute the feeding scheme, judging whether feeding of the to-be-unloaded material transfer target bin is completed or not in real time, and after it is determined that feeding is completed, shuting down the feeding execution component. The materials are automatically recognized, the corresponding feeding scheme is set for the materials,the materials are automatically transferred into all target bins from an unloading area, manual participation is not needed in the whole process, and the automation degree of the mixing station is improved.

The invention discloses a preparation method of raw lacquer-based wall coating and an application technology thereof, and provides a preparation method of environment-friendly wall/floor coating having excellent ecological performance and mainly prepared from raw lacquer and a corresponding wall/floor coating product. The raw lacquer is used as a base to prepare the wall or floor coating, the coating comprises the components as follows: the raw lacquer, a filler, a thinner and an addition agent. The coating which is mainly prepared from raw lacquer is technically characterized by containing inorganic whisker, the raw lacquer, an epoxy resin, a coupling agent and the like. By adopting the preparation method, the adhesive force of a coating film can be increased by 0.5 time to 1.5 times or more; the other performances of the coating film are improved as follows: the heat resistance is increased by 32 percent to 117 percent, the corrosion resistance is increased by 24 percent to 119 percent, the flexibility is increased by 37 percent to 107 percent, the acid (dilute acid) resistance is increased by 31 percent to 63 percent, oil resistance is increased by 22 percent to 67 percent, and the abrasion resistance is increased by 28 percent to 88 percent.

A method for forecasting the central fishery of squid in the North Pacific Ocean, including time-space scale setting, environmental factor setting, and establishment of a central fishery prediction model. The factor setting uses surface temperature (SST) as the main environmental factor, supplemented by two environmental factors, sea surface height (SSH) and chlorophyll a (Chl-a), and the environmental factors are divided into four situations when establishing the central fishery prediction model: According to the setting of time-space scale and environmental factors, a sample plan set of 24 situations is established; the central fishery prediction model adopts the classic error backpropagation BP neural network model, and the BP neural network model has a three-layer structure, namely the input layer and the hidden layer And the output layer, the input layer inputs the spatio-temporal factors and environmental factors of the fishery, and the output layer outputs CPUE or the fishery level index converted from CPUE for forecasting.

The invention discloses a method and system for authenticating safety of alternative fuel in an aircraft engine. The method includes the steps of obtaining key safety parameters related to safety of an engine system on the basis of historical experience data of aircraft fuel and structure characteristics of the aircraft engine, building the mapping relation between the aircraft fuel and a key safety parameter space of the engine system, obtaining a work area of the key safety parameter space of the engine system using the alternative fuel by means of the mapping relation, and classifying the key safety parameters of the engine system through sensitivity analysis to obtain a test condition of the key safety parameters. Therefore, a safety boundary of the key safety parameters of the engine system based on the aircraft fuel is obtained according to a large amount of historical experience to serve as a judgment standard, so safety of the area of the key safety parameters of the engine system using the alternative fuel can be judged. On the basis that fuel cost and time cost of the authentication process are reduced, the test condition and acceptance criteria needed by the alternative aircraft fuel are provided.

The electrode for a fuel cell includes an electrode substrate and a catalyst layer disposed on the electrode substrate. The catalyst layer includes a first catalyst including a tungsten-containing compound and a second catalyst including a noble metal.

The invention discloses a method for performing resource utilization of sludge biocarbon. The method comprises the following steps: uniformly mixing the sludge biocarbon, water and auxiliaries and performing granulation to obtain granulated materials; mixing the granulated materials with original sintering base ingredients to obtain a sintering mixed material; performing sintering on a conventional metallurgical sintering machine to obtain sintered ores; feeding the sintered ores as iron-making raw materials into a high blast smelting. According to the method disclosed by the invention, valuable components in the sludge biocarbon can be effectively utilized, the components and the performance of the sintered ores are adjusted, and the cost of the sintering raw materials is reduced; and 3 percent to 8 percent of carbon contained in the biocarbon can be used as supplementary energy sources for sintering, so that the cost of fuels is reduced. According to the method, a new path is provided for scale utilization of sludge pyrolysis terminal products, the sludge biocarbon is used as the raw material for high blast smelting, so that accumulated pollution of heavy metal which potentiallyexists in the land utilization process is completely avoided, and the method is particularly suitable for performing resource utilization of sludge pyrolysis which contains superstandard content of heavy metal. The method disclosed by the invention has the advantages of simpleness, practicability, less investment, low cost and environmental protection.

The invention discloses a waste heat recovery system and method for a marine incinerator and a marine power device, belongs to the field of waste heat recovery and solves the problem of how to better recover heat energy of marine equipment. The waste heat recovery system is characterized in that a hot well is sequentially connected with a boiler water feed pump, a secondary preheater, a first steam drum inlet, a first steam drum outlet, a circulating water pump, an economizer, an evaporator, a second steam drum inlet and a second steam drum outlet. The waste heat recovery system is separated into two paths at the second steam drum outlet, wherein one path is sequentially connected with an overheater, a steamer generator, a condenser and a condensate pump and then returns to the hot well to form a closed loop, the other path returns to the hot well after passing through a steam heater. Exhaust gas of a marine waste incinerator and a diesel power device is aerated into a waste heat boiler. Waste heat boiler exhaust gas is aerated into an air preheater. The waste heat recovery system is mainly used for waste heat of the exhaust gas of the incinerator and the power device, diesel cost is saved, and economy and environmentally friendliness of the marine power device are improved.

The invention relates to the field of road materials, and discloses a compound asphalt mixture wet-mixing additive and a preparation method thereof. According to the compound asphalt mixture wet-mixing additive, production and construction temperatures of a hot-mix asphalt mixture can be reduced. The compound asphalt mixture wet-mixing additive is characterized by comprising the following components in parts by weight: 20-50 parts of microcrystalline wax, 20-50 parts of stearic acid, 10-20 parts of polyethylene wax, 5-20 parts of EVA (ethyl vinyl acetate) wax and 0-10 parts of plasticizer. The preparation method comprises the following steps of: uniformly mixing the polyethylene wax, the EVA wax, the stearic acid and the plasticizer under the mechanical stirring action, then adding the microcrystalline wax, continuously stirring and uniformly mixing to obtain a mixed dry material; and finally, adding the mixed dry material in a granulating machine melting furnace, heating at a temperature of 120-130 DEG C and melting, then granulating, cooling and drying. According to the compound asphalt mixture wet-mixing additive, the blending temperature of the asphalt mixture can be effectively lowered by about 30 DEG C, and better used road performance can be ensured.

The selective reduction-type catalyst effectively purifies nitrogen oxides contained in exhaust gas from a lean-burn engine such as a boiler, a gas turbine or a lean-burn engine, a diesel engine, even under high SV, as well as having small pressure loss, by supplying by spraying urea water or ammonia water, as a reducing component, to the selective reduction-type catalyst; and an exhaust gas purification apparatus along with an exhaust gas purification method using the same. The selective reduction-type catalyst for selectively reducing a nitrogen oxide by adding urea or ammonia as a reducing agent of the nitrogen oxide to exhaust gas discharged from a lean-burn engine, characterized by coating a catalyst layer including zeolite containing at least an iron element, and a composite oxide of silica, tungsten oxide, ceria and zirconia, as denitration components, at the surface of a monolithic structure-type substrate.

The invention provides an all-electric ship economic dispatching method and system based on virtual energy storage. The method comprises the following steps: a virtual energy storage establishment step: establishing a strong nonlinear relationship between the power required by an electric propulsion load and the ship speed; a physical energy storage establishing step: establishing a storage battery as a shipborne physical energy storage charging and discharging equation; a diesel generator building step: defining an oil consumption formula of the diesel generator per hour; an all-electric ship economy scheduling model establishing step: according to the strong nonlinear relationship and the oil consumption formula, setting an objective function of lowest fuel cost and carbon emission of the all-electric ship; and a virtual energy storage all-electric ship economy scheduling model establishing step: according to the target function, solving the economy scheduling problem of the all-electric ship by adopting a particle swarm optimization algorithm. Through virtual energy storage, the comprehensive electric propulsion system can be better utilized, and the fuel efficiency of the diesel generator is improved, so that the fuel cost is reduced, and the environmental friendliness is improved.

The invention relates to a double baseline-based low-speed diesel engine economy analysis method and system. Historical health sample data are selected as input data for offline training, and a low-speed diesel engine economy evaluation baseline and an economy associated component health baseline are built; economy state analysis is carried out according to monitoring data, when the economy stateis normal, the operation is ended; and when the economy state is abnormal, health state analysis is carried out. The method and the system carry out economy evaluation and influence factor analysis from a direct angle and an indirect angle, maintenance of the low-speed diesel engine can be effectively guided, the economy performance of the low-speed diesel engine is recovered, hidden dangers or exception/fault are eliminated, the fuel cost is reduced, and practical significance is extremely facilitated.