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83results about How to "Reduce spontaneous combustion" patented technology

Method and system for engine control

InactiveUS20130311066A1Reduced engine torqueGenerates noise and vibrationElectrical controlInternal combustion piston enginesCombustionAutomotive engineering
Methods and systems are provided for a vehicle engine. One example method comprises delivering a first fuel to an engine cylinder at least partially during an intake stroke, and initiating combustion in the cylinder via injection of a second fuel into the cylinder. Responsive to an indication of uncontrolled combustion of pre-mixed first fuel and air in the cylinder, wherein the uncontrolled combustion is onset by the initiated combustion of the second fuel, amounts of the first fuel relative to the second fuel in the cylinder are adjusted.
Owner:GENERAL ELECTRIC CO

Open-valve Port Fuel Injection Of Alcohol In Multiple Injector Engines

An engine having two or more fuel injectors is disclosed, where at least one of the injectors is used to port fuel inject fuel into the cylinder when the air intake valve is open. The open valve port fuel injector is used to inject a fuel that has alcohol as a constituent and is the same fuel injected by another fuel injector. In other embodiments, the open valve fuel injector is used to inject an anti-knock fuel containing alcohol while a primary fuel, is introduced by another injector. The operation of the open valve fuel injector can be optimized to maximize the vaporization cooling. In other embodiments, the open valve fuel injector may be used in conjunction with direct injection of the primary fuel or the anti-knock fuel. Heavy EGR can be optimally used with the various embodiments.
Owner:ETHANOL BOOSTING SYST LLC

Systems and method for controlling auto-ignition

Various methods and systems are provided for maintaining combustion stability in a multi-fuel engine. In one example, a system comprises a first fuel system to deliver liquid fuel to at least one cylinder of an engine, a second fuel system to deliver gaseous fuel to the at least one cylinder, and a controller. The controller is configured to supply the gaseous fuel to the at least one cylinder, inject the liquid fuel to the at least one cylinder thereby to ignite the liquid fuel and the gaseous fuel in the at least one cylinder via compression-ignition, and adjust an amount of the gaseous fuel relative to an amount of the liquid fuel based on a measured parameter associated with auto-ignition of end gases subsequent to the compression-ignition of the liquid fuel.
Owner:TRANSPORTATION IP HLDG LLC

A kind of sludge secondary vapor compression drying method

The invention relates to a secondary steam compressed drying method of sludge. Present drying methods have the disadvantages of high energy consumption and low efficiency. The method of the invention comprises the following steps: uniformly mixing dewatered sludge generated in the process of sewage treatment with oil according to a weight ratio of 1-20:1 to form oil sludge, drying the oil sludge with secondary steam, carrying out oil and dry sludge separation on the dried oil sludge; reusing separated oil as a raw material of mixed oil sludge, and treating separated dry sludge as a dry finished product of sludge; and separating saturated secondary steam from the secondary steam generated in the process, compressing to superheated steam superheated steam, and sending the superheated steam which is treated as a heat source to a heating chamber of a drier. The method of the invention fully utilizes the heat energy of the secondary steam, so the energy consumption of a drying system is greatly reduced; and no dust is entrained in the drying process, so the cleaning of heat exchange surfaces of a drying device is kept, and the drying efficiency is high.
Owner:HANGZHOU DIANZI UNIV +1

Novel dust-inhibiting and fire-retarding covering agent for coal, and preparation method thereof

The invention discloses a novel dust-inhibiting and fire-retarding covering agent for coal, and a preparation method thereof. The dust-inhibiting and fire-retarding covering agent comprises components of, by mass: 4-5% of a film forming agent, 10-12% of a curing agent, 2-3% of a film forming auxiliary agent, 1-3% of a penetrant, 1-3% of a fire retardant, and 74-82% of water. The preparation method of the dust-inhibiting and fire-retarding covering agent comprises steps that: the film forming agent is added and dissolved in water under a certain temperature; the temperature is controlled; the solution is continuously stirred, and the curing agent, the film forming auxiliary agent, the penetrant, and the fire retardant are orderly added to the solution while stirring; the mixture is stirred, until a reaction is sufficiently carried out. The novel dust-inhibiting and fire-retarding covering agent is sprayed onto the surface of coal under a normal temperature, and other equipments and conditions are not required. Within a short time, a flexible and compact continuous high-molecular covering membrane is formed, such that phenomena of dust emission and spontaneous combustion during transportation and stacking processes can be avoided. Therefore, coal economic loss and environmental pollution can be effectively reduced; and great economic benefits and social benefits of environmental protection are provided.
Owner:SHANDONG UNIV OF SCI & TECH

Abnormal battery detecting system and abnormal battery detecting method for battery module

An abnormal battery detecting system for an electric vehicle includes a power supply unit, a displaying unit, a battery module, a safety protection unit, a detecting unit, and a controlling unit. The battery module a main power source of the electric vehicle. The safety protection unit is connected with the battery module and the power supply unit. The detecting unit is connected with the battery module and the power supply unit for detecting the battery module. If the battery module is abnormal, the detecting unit generates at least one feedback signal that is received by the controlling unit. The controlling unit compares the feedback signal with at least one preset default value and generates an abnormal level signal to the displaying unit and the safety protection unit. The safety protection unit is selectively enabled to control an operation of the battery module according to the abnormal level signal.
Owner:ALEEES ECO ARK (CAYMAN) CO LTD

Premixed combustion system of diesel engine

The invention provides a premixed combustion system of a diesel engine and belongs to the field of combustion of an internal-combustion engine. The combustion system sprays diesel oil or heavy oil or a mixture of the diesel oil and fuel with the automatic ignition temperature which is higher than that of the diesel oil and a cetane number which is lower than that of the diesel oil into a combustion chamber by a main oil spraying nozzle or sprays from an air inlet cannel to form premixed gas; a low compression ratio is adopted to enable the premixing gas formed in a cylinder not to be automatically ignited by depending on a compression temperature; with regard to the fuel which corresponds to the fuel sprayed by the main oil spraying nozzle and is directly sprayed into the combustion chamber from a part adjacent to a compression upper stopping point through a secondary oil spraying nozzle, the fuel with the low automatic ignition temperature and the high cetane number is the fuel which is easier to ignite by compression; and the fuel is ignited and combusted in the cylinder so as to effectively control an ignition phase of the premixed gas and realize the homogenous premixed compression ignition in a full work condition range. Waste gas is recycled or water is sprayed into an air cylinder or the air inlet channel to control the combustion speed; and the high heat efficiency is guaranteed by a high expansion ratio.
Owner:DALIAN UNIV OF TECH

Terminal short circuit protection method and device

ActiveCN106026264AReduce the probability of short circuit misjudgmentImprove accuracyElectric powerBattery disconnect circuitsTemperature responseShort circuit protection
The invention relates to a terminal short circuit protection method and a device. At least one first electronic component which is in a system of a terminal and is relevant to charging and discharging is equipped with a corresponding rapid temperature response device, and at least one electronic control component of the system of the terminal corresponding to the first electronic component is connected with a signal generation device corresponding to the rapid temperature response device. The method comprises steps that an interruption signal sent by the signal generation device is received by the electronic control component, the interruption signal is generated by the signal generation device when detection temperature of at least one rapid temperature response device reaches a corresponding set threshold, and circuits related to a power source are cut off. Through the method and the device, the circuits related to the power source can be cut off through the electronic control component after the temperature of the electronic component rises to the set threshold because of short circuit, the terminal can be prevented from being damaged by continuous energy, and safety of the terminal is improved.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Automobile security system based on real-time-control on-board communication network technology

InactiveCN103625423AImprove reliabilityWith radio frequency authentication functionAnti-theft devicesOn boardStructure of Management Information
The invention discloses an automobile security system based on a real-time-control on-board communication network technology, which belongs to the technical field of wireless communication. The automobile security system structurally comprises an automobile ignition system (5), and is characterized by further structurally comprising a main control module (1), an RFID (radio frequency identification devices) module (2) and a GSM (global system for mobile) module (3), wherein the main control module (1) is used for comparing the information received by the RFID module (2) with pre-stored information, if the information received by the RFID module (2) is the same as the pre-stored information, an automobile can be normally started, or else, then an ignition module is locked so that the automobile cannot be started, and alarm information is sent to the automobile simultaneously. According to the automobile security system disclosed by the invention, the security of the automobile in an idle state can be effectively protected, and automobile steal events can be reduced.
Owner:JILIN UNIV

Highway tunnel vehicle spontaneous combustion early warning system and method based on thermal imaging

The invention provides a highway tunnel vehicle spontaneous combustion early warning system and method based on thermal imaging. The system comprises a monitoring center, a control unit, a monitoring unit and a display unit, wherein the monitoring unit is used for monitoring information of vehicles entering a highway tunnel; and the display unit is used for prompting information for drivers. The temperatures of the vehicles which are about to enter the tunnel are detected, when the temperature data exceed the threshold value, warning information is transmitted to the monitoring center automatically, and meanwhile, license plate numbers and warning information of the vehicles are transmitted to the display unit for prompting the drivers. By the highway tunnel vehicle spontaneous combustion early warning system and method based on thermal imaging, the vehicles which can spontaneously combust potentially can be warned before entering the tunnel, and then can be treated ahead of time, hidden dangers causing spontaneous combustion of the vehicles are eliminated, the circumstances that the vehicles spontaneously combust after entering the tunnel are reduced, and life and property safety of people is guaranteed.
Owner:CHINA MERCHANTS CHONGQING COMM RES & DESIGN INST

Modified aluminum hypophosphate flame retardant and preparation method thereof

The invention relates to the field of flame retardants, in particular to a modified aluminum hypophosphate flame retardant. A preparation method of the modified aluminum hypophosphate flame retardantcomprises the following steps: 1) adding aluminum hypophosphate and a dispersing agent in a reaction kettle and fully stirring, so that a solution is uniformly dispersed; 2) adding an adhesive and a modifying agent, raising the temperature, stirring and fully reacting to obtain a crude product; and 3) washing, filtering and drying the crude product to obtain the modified aluminum hypophosphate flame retardant. The modified aluminum hypophosphate flame retardant prepared by the preparation method provided by the invention can effectively solve the problems of low aluminum hypophosphate heat resistance, low compatibility, low dispersing performance and the like.
Owner:广东顺德同程新材料科技有限公司

Lean premixed swirl nozzle of low-pollution combustion chamber and total-ring combustion chamber

The invention relates to a lean premixed swirl nozzle of a low-pollution combustion chamber and a total-ring combustion chamber. The lean premixed combustion technology is adopted, a fuel jetting opening is located on an inner hub of a swirl, fuel and air begin to encounter and are mixed in a rotational flow runner and are further mixed in a pre-mixing segment, the fuel / air mixing uniformity is improved, in addition, the combustion equivalence ratio of the swirl nozzle ranges from 0.55 to 0.75, it is ensured that the temperature of the combustion area is low, and no local hot points exist, andgeneration of nitric oxide is effectively reduced; an outlet convergent section of the swirl nozzle can accelerate the fuel / air mixture flowing, and the tempering risks are reduced; wall face coolingholes in the outer wall of the swirl can reduce the wall temperature and the boundary layer fuel / air ratio, spontaneous combustion and tempering risks are reduced, in the actual combustion chamber, acertain number of swirl nozzles with the same size are reasonably arranged to form a multi-point lean premixed combustion chamber head, main mold fuel staged supply is adopted, and the low-pollutionemission level of the combustion chamber in the full-operating-condition range is achieved.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Wireless communication real-time monitoring vehicle-mounted security system based on CAN control

The invention discloses a wireless communication real-time monitoring vehicle-mounted security system based on CAN control, belonging to the technical field of the wireless communication. The system structurally comprises an automotive ignition system (5) and is characterized in that the system further structurally comprises a main control module (1) connected with the automotive ignition system (5) as well as a RFID (Radio Frequency Identification Device) module (2), a GPRS (General Packet Radio Service) module (3), a GPS (Global Position System) module (4) and an image gathering module (6) which are connected with the main control module (1). When the automobile is abnormal or stolen, the engine ignition system can be locked; important information, such as GPS locating information, image information in the automobile and the like can be sent to the mobile phone reserved by the car owner by the GPRS module; and the safety of automobile in idle can be protected effectively.
Owner:JILIN UNIV

Systems and method for controlling auto-ignition

Methods and systems are provided for maintaining combustion stability in a multi-fuel engine. In one example, a system may include first and second fuel systems to deliver liquid and gaseous fuels, respectively, to at least one cylinder of the engine, and a controller. The controller may be configured to supply the gaseous fuel to the at least one cylinder, inject the liquid fuel to the at least one cylinder to compression ignite the liquid fuel and combust the gaseous fuel in the at least one cylinder, and retard an injection timing of the injection of the liquid fuel based on a measured parameter associated with auto-ignition of end gases subsequent to the compression-ignition of the liquid fuel. In some examples, the controller may further be configured to adjust an amount of the gaseous fuel relative to an amount of the liquid fuel based on the measured parameter.
Owner:GE GLOBAL SOURCING LLC

Cellulose powder for cold-light spraying fireworks and preparation method thereof

The invention discloses cellulose powder for cold-light spraying fireworks. The cellulose powder is prepared from the following components in parts by weight: 85 to 90 parts of nitrocellulose, 2 to 3parts of diphenylamine, 3 to 8 parts of calcium nitrate and 3 to 4 parts of graphite, wherein the nitrogen content of the nitrocellulose is less than or equal to 12.5 percent and the water content is23 to 27 percent. Smokeless propellant powder disclosed by the invention has better explosive stability, moisture resistance and environment friendliness and is suitable for various cold-light fireworks to use.
Owner:彭隆章

Pulverized coal preparation system and pulverized coal preparation method

The invention discloses a pulverized coal preparation system and a pulverized coal preparation method. The pulverized coal preparation system comprises a heat source device, a drying device, a pulverizing device, a powder colleting implement, an air blower, a bag-type dust collector and an induced draft fan. The smoke outlet end of the drying device is connected with the smoke inlet end of the bag-type dust collector. The smoke outlet end of the bag-type dust collector is connected with the induced draft fan. Dry raw materials of the drying device are fed into the pulverizing device. a closed grinding circulatory system is formed among the pulverizing device, the powder colleting implement and the air blower. The pulverized coal preparation system further comprises a balance air pipe. The outlet end of the air blower is then connected with the smoke inlet end of the bag-type dust collector through the balance air pipe. According to the pulverized coal preparation system and the pulverized coal preparation method, full negative pressure running of a system air leak position is achieved, and accordingly the purpose of clean production is achieved. The temperature of powder collected by the bag-type dust collector is lowered, and the possibility of powder spontaneous combustion and explosion is reduced, so that the safety performance of the pulverized coal preparation system is significantly improved. Compared with the traditional process, the number of equipment and sites are reduced, and the cost is reduced.
Owner:GUANGDONG OCEAN UNIVERSITY

Self-supporting diaphragm, preparation method thereof, composite pole piece and secondary battery

The invention belongs to the technical field of secondary batteries, and particularly relates to a self-supporting diaphragm, a preparation method thereof, a composite pole piece and a secondary battery. The self-supporting diaphragm is prepared from, by weight, 40-60 parts of an ionic liquid, 30-50 parts of lignocellulose and 5-20 parts of a binder. The self-supporting diaphragm disclosed by the invention has good thermal stability, ionic conductivity, dimensional stability and wettability, the conditions of short positive and negative electrodes and spontaneous combustion of a battery cell under a high-temperature condition are greatly reduced, and the practicability of the diaphragm and the battery cell is improved.
Owner:HUIZHOU LIWINON NEW ENERGY TECH CO LTD

Inhibition of Spontaneous Combustion in Low-Rank Coals

A method for treating coal to reduce spontaneous combustion by reducing an exothermic heat of adsorption after the coal has begun to dry and when the coal is subsequently exposed to a liquid water is described. A source of a fluid pressure of a diluted hydrocarbon mixture is provided. A hydrocarbon in the mixture is a hydrocarbon emulsion of mineral when the coal is subsequently exposed to a liquid water oil, fuel oil, asphalt, or coal tar emulsions. A volume of the diluted hydrocarbon mixture is applied to a stream of freshly-mined and undried coal to provide a water-proofing of the coal to prevent water uptake after exposure to precipitation or flooding during transport and storage of the coal. The treated coal is loaded into a bulk pile. A temperature change trend in the bulk pile is reversed wherein a temperature of the bulk pile trends towards an ambient temperature rather than trending to a temperature higher than the ambient temperature.
Owner:BENETECH INC

Stopping agent for preventing self-combustion of coal

InactiveCN108266221AOxygen consumptionMitigating the process of oxidative spontaneous combustionDust removalFire preventionInorganic saltsCombustion
The invention discloses a stopping agent for preventing self-combustion of coal. The stopping agent comprises the components of, by mass concentration, 2-4% of reducing metal powder, 6-15% of inorganic salt, 0.4-0.8% of adhesion agents, 6-7% of fillers and the balance water. According to the stopping agent, on the one hand, the effect of isolation of the coal and oxygen can be achieved, on the other hand, the oxygen can be effectively consumed, the content of the oxygen is decreased, and thus the coal self-combustion possibility is minimized.
Owner:XIAN UNIV OF SCI & TECH

Power lithium battery protective housing and manufacturing process thereof

The invention provides a power lithium battery protective housing, and relates to the technical field of power lithium battery equipment. The protective housing comprises an aluminum box and a cover,a main electrode male plug and a main electrode female plug are arranged equally in the middle position of the cover, an auxiliary electrode male plug and an auxiliary electrode female plug are arranged equally in the middle position of the aluminum box, a space between the internal and external surfaces of the aluminum box serves as a plastic-aluminum film cavity, the aluminum box is uniformly provided with multiple radiating holes, and position where the plastic-aluminum film cavity makes contact with the back side of the aluminum box is provided with an inflation port, and the inflation port extends to the outer side of the aluminum box and fixed by a press ring. The main electrode male plug, main electrode female plug, auxiliary electrode male plug and auxiliary electrode female plug are arranged to meet requirements for different installation positions when lithium batteries are connected in series and expanded to form a lithium battery group, a plastic-aluminum housing is selected, the radiating holes are increased, the heat radiation capability of the lithium batteries can be improved, the plastic-aluminum material is low in weight and high in intensity and plasticity, and the protective housing of the plastic-aluminum material can improve the energy density of the power lithium battery.
Owner:厦门晟硕科技有限公司

Hydraulic support loading platform

The invention relates to a hydraulic support loading platform which is safe, sanitary and convenient to use and has high operating efficiency. The hydraulic support loading platform comprises a connection platform, wherein a guiding ladder road is connected to one side of the connection platform, and a limiting frame is connected to the other side of the connection platform; the guiding ladder road comprises a ladder-shaped base, and a guiding rail and a guiding baffle plate which are welded on the ladder-shaped base, and the guiding baffle plate is positioned on the outer side of the guiding rail; the limiting frame comprises a limiting base, and a flat-bed trailer rail and a limiting baffle plate which are welded on the limiting base, and the limiting baffle plate is positioned on the outer side of the flat-bed trailer rail; the connection platform comprises a base; a connection plate of the guiding ladder road is welded to one side of the base, and a connection plate of the limiting frame and an anti-vibration platform are welded to the other side of the base; the connection plate of the guiding ladder road is fixedly connected with the guiding rail; the connection plate of the limiting frame is fixed connected with the flat-bed trailer rail; a flat-bed trailer positioning groove is formed on the base, and an opening of the flat-bed trailer positioning groove faces one side on which the limiting frame is positioned; and an arc-shaped baffle plate is welded on the base.
Owner:枣庄矿业(集团)付村煤业有限公司

Preparation method of bulk zinc stearate

The invention provides a preparation method of bulk zinc stearate. The preparation method comprises the following steps: a. feeding stearic acid at normal pressure to a reaction kettle, heating up to 130-160 DEG C, then adding a catalyst and zinc oxide to the reaction kettle, and taking reaction for 80-120 minutes till reaching the molten state; b. adding an antioxidant, and stirring for 5-20 minutes; c. adding the molten zinc stearate prepared in the step b to a mold with a framework; d. cooling to obtain the required bulk zinc stearate with a certain shape. The preparation method disclosed by the invention is to add the molten zinc stearate prepared by the dry method to the framework to prepare the bulk zinc stearate, and cannot generate particles or microparticle dust in a processing workshop, so as to effectively improve the environment quality of the workshop, greatly reduce influence on health of workers in the workshop, and achieve a great promotional value and social significance.
Owner:DONGGUAN CHNV TECH CO LTD

Battery pack for new energy automobile

The invention discloses a battery pack for a new energy automobile. The battery pack comprises a heating rod, a cooling box, a water pump, a water outlet pipe, an exhaust pipe, a sucking pump, a box cover, a PCB, a box body, an explosion-proof layer, a rubber base, a supporting block, a partition plate, a battery body, a cavity, a shell, a temperature sensor, an inserting plate, a water adding port, a water inlet pipe, a first semiconductor chilling plate, a top cover, an air inlet pipe, a condensing box, second semiconductor chilling plate, a tinfoil layer, and a shell door. The shell of thebattery pack is provided with the cavity, the top surface of the shell is provided with the cooling box and the water pump, the water pump can be started in summer, and water in the cooling box circularly flows in the cavity under the action of the water pump, so the spontaneous combustion of the battery due to higher temperature in summer is greatly reduced, and the service life of the battery isgreatly prolonged; when the battery burns accidentally to generate explosion, the explosion-proof layer can effectively reduce the explosion range of the battery, and effectively reduce the harm generated during the explosion of the battery.
Owner:诸暨晶莱科技有限公司

Method and device for conveying combustible gas generated in leachate treatment

The invention discloses a method and device for conveying combustible gas generated in leachate treatment, and belongs to the technical field of combustible gas conveying. By means of the method and device for conveying combustible gas generated in leachate treatment, by introducing emptying gas into a cooling conveying pipe in the conveying process, the concentration of the combustible gas can beeffectively reduced, and the spontaneous combustion and explosion probability in the conveying process of the combustible gas is reduced; meanwhile, after the combustible gas is introduced into the cooling conveying pipe, cooling liquid can effectively absorb the heat in the combustible gas from the outside, and meanwhile an inner cooling headtree makes direct contact with the combustible gas andcan cool the combustible gas from the inside, so the heat carried by the combustible gas can be remarkably reduced under the inside and outside duplex action, and then the spontaneous combustion or explosion caused by the high heat in the conveying process of the combustible gas is effectively reduced, and the conveying safety of the combustible gas generated in waste incineration is effectivelyimproved.
Owner:瀚蓝(福清)固废处理有限公司

Precautionary method for acidic water storage tank shut-down overhauling ferrous sulfide corrosion product spontaneous combustion accident

The invention relates to a precautionary method for an acidic water storage tank shut-down overhauling ferrous sulfide corrosion product spontaneous combustion accident. The problems that in the priorart, the safety is poor and the mud and water separation efficiency is low are mainly solved. By adopting the precautionary method for the acidic water storage tank shut-down overhauling ferrous sulfide corrosion product spontaneous combustion accident, fresh water replacement and passivator spraying and cleaning modes are used for replacing steam cleaning, the technical scheme of cleaning passivation of in-tank hydrogen sulfide and tank wall iron sulfides better solves the problem, and the method can be used for precaution of the acidic water storage tank shut-down overhauling ferrous sulfide corrosion product spontaneous combustion accident.
Owner:CHINA PETROLEUM & CHEM CORP +1

Intelligent detection management equipment for construction site mechanical equipment

The invention discloses intelligent detection management equipment for construction site mechanical equipment, which comprises a water tank, and water outlet holes are arranged at the bottoms of the left side and the right side of the water tank. The invention relates to the technical field of construction machinery and equipment. According to the intelligent detection management equipment for the construction site mechanical equipment provided by the invention, water in the water tank is evaporated into water vapor, so that the pressure in the water tank is increased, a sealing plate ascends to drive a first starting column to trigger a telescopic rod control switch, a telescopic rod drives an L-shaped sealing plate to ascend, the water in the water tank flows out of a water outlet hole, and the water tank is cooled; the continuous temperature rise of the oil tank is delayed, the treatment time of constructors is prolonged, the L-shaped sealing plate ascends to drive a second gear to ascend to enable a first gear to be meshed with the second gear, a motor drives the first gear to enable the second gear to rotate, and therefore an irradiation lamp is more attractive, and nearby workers can quickly make emergency treatment, and the spontaneous combustion condition of the mechanical equipment is reduced.
Owner:WUHAN YASIDA SCI & TECH CO LTD
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