54results about How to "Short starting time" patented technology

The invention relates to a method for pre-vulcanizing a hydrogenation catalyst outside a hydrogenation reactor and activating the hydrogenation catalyst in the hydrogenation reactor. The method comprises the following steps of: (1) pre-vulcanizing the catalyst outside the hydrogenation reactor; (2) passivating the catalyst; and (3) reactivating the catalyst. A vulcanization method for the hydrogenation catalyst provided by the invention can guarantee high vulcanization rate of the catalyst; the passivated catalyst does not have abnormal odor and does not release hydrogen sulfide gas when being in contact with air or vapor; and the catalyst does not spontaneously combust and is not required to be protected by inert gas. Storage, transportation and filling methods and the like of the catalyst are simple and convenient. The catalyst can reach an activated state in a few hours during reactivation of an atmosphere containing a vulcanizing agent and hydrogen, is short in processing time, convenient to operate and has high catalytic performance.

The invention discloses a micro gas turbine generator set. According to the micro gas turbine generator set, an electrical control system is installed in an electrical cabin, a gas turbine, a starter generator, a fuel system accessory and a lubricating system accessory are installed in a power cabin, so that repair and maintenance are facilitated; the starter generator is adopted and used as a motor when the gas turbine is started, and the starter generator is used as a generator when the generator set is generating electricity, so that the number and weight of parts for the micro gas turbine generator set are reduced; the gas turbine is used as a power source, various fuels such as gasoline, diesel oil, natural gas, biomass gas can be used, the starting time is short, and the gas turbine can start quickly and reach a power supply state within 45s; in addition, the gas turbine adopts a layout mode of radial gas inlet and axial gas exhaust , the structure is simple and compact, and the installation space of the gas turbine is saved; and the micro gas turbine generator set is convenient to be installed and carried, and capable of well meeting the small-scale and distributed requirements of distributed power supply.

The invention relates to a mixed power vehicle power storage device and an energy adjusting method by virtue of the device, thus leading the mixed power vehicle energy storage device to have great power density and long service life. The technical proposal is that the invention is provided with an accumulator group and a capacitance group; a DC-DC converter is arranged between the capacitance group and the accumulator group; the invention is also provided with an inverter which is respectively electrically connected with the accumulator group, the DC-DC converter and a motor; the invention is also provided with a battery management unit which can control the DC-DC converter according to the voltage value and the current value of the accumulator group and the capacitance group. When a whole vehicle controller judges an automobile in brake state or retarding state according to a vehicle speed signal, a gun signal and a brake pedal signal, the signals are sent to the battery management unit and then enter a regeneration brake mode; the battery management unit controls the DC-DC converter by the voltage value and the current value of the accumulator group and the capacitance group, thus leading a motor working in a generator mode to charge the accumulator group and the capacitance group through the inverter.

The invention provides an engine starting control system and method of a hybrid vehicle and a vehicle and relates to the technical field of vehicles. Specifically, the engine starting control system of the hybrid vehicle comprises an electric driving system, a fuel driving system, a detection system and a vehicle controller, wherein the electric driving system is used for driving a first driving shaft of the vehicle; the fuel driving system is used for driving a second driving shaft of the vehicle; the detection system is used for detecting information and working conditions inside and outsidethe vehicle; and the vehicle controller is configured to control a first starting mode or a second starting mode to start an engine according to different information and working conditions of the vehicle during starting the engine. According to the engine starting control system and method of the hybrid vehicle and the vehicle, by directly using an existing electric driving system and an existing fuel driving system of the hybrid vehicle, the engine is started by using different modes so as to furthest develop advantages of a vehicle power system configuration; on the premise of not increasing additional parts, an effect similar to ISG or BSG starting is achieved, and purposes of short starting time and oil saving are realized.

The invention relates to a method for preparing a vulcanization type gasoline hydrogenation upgrading catalyst. Gasoline hydrogenation catalysts are treated by vulcanizing agents with multiple sulfur ions and organic nitride which is used as a passivator at the low temperatures, active components in the gasoline hydrogenation catalysts comprise a type or a plurality of types of Mo and W of VI B groups and Co and Ni of VIII B groups, and stabilizers comprise a type or a plurality of types of Zn and Cd of II B groups, Na and K of I A groups and rare earth metal La and Ce. The method has the advantages that cascade full vulcanization can be carried out on metal oxide or precursors of the metal oxide, and strong acidic sites in ZSM-5 molecular sieve composite carriers can be selectively passivated; the vulcanization type gasoline hydrogenation upgrading catalyst prepared by the aid of the method is short in on-stream time, high in hydrogenation and olefin reduction upgrading activity, selectivity, carbon deposition resistance and liquid yield and low in octane number loss, and accordingly the method and the vulcanization type gasoline hydrogenation upgrading catalyst are particularly applicable to producing clean gasoline components from inferiorly catalytically cracked gasoline by means of hydrogenation and olefin reduction upgrading at a low cost.

The invention discloses a method for stirring a boiling chlorination furnace and a method for preparing titanium tetrachloride. The method for stirring the boiling chlorination furnace comprises the steps of: adding a titanium-containing material in the boiling chlorination furnace and introducing high-temperature non-oxide gas into the boiling chlorination furnace, wherein the temperature and the gas velocity of the high-temperature non-oxide gas enable the temperature of the added titanium-containing material to reach furnace stirring temperature, and the titanium-containing material is a titanium-containing substance for producing the titanium tetrachloride. The method for stirring the boiling chlorination furnace has the characteristics of short furnace stirring time, simple facility, operation easiness, good environment-friendly effect, and the like; and the shortened furnace stirring time is certainly beneficial to reduction of material and labor costs, increase of production time and increase of annual output.

The invention provides a control method for starting an engine by using a clutch of a deep hybrid power automobile. The method comprises the steps that whether or not starting demands of the engine are met is judged by a starting demand judging module, if yes, the steps of oil filling of a first clutch, the dragging of an engine of the first clutch, oil spraying control of the engine, PI controlling and first clutch closing are sequentially conducted, and the starting of the engine is completed; during the oil filling process of the first clutch, starting process time tes of a current engine is judged, slipping work Q of a unit area of a current first clutch and the starting process time tes of the engine are judged in the steps of the dragging of the engine of the first clutch, the oil spraying control of the engine and the PI controlling, if judging results exceed limiting values, current steps are ceased, whether or not judging failing times are exceeded is judged, and judging stepsof the starting demands of the engine are executed again or a fault mode is entered according to judging results. The method is easy and achievable, and the smoothness of the starting process of theengine can be ensured to prevent the shaking of the automobile.

The invention provides a soft startup device for single-phase motor. Wherein, the motor at least includes a primary winding connected with a startup winding in series, and a running capacitor paralleled with windings. The provided soft startup device comprises: a reactor connected with primary winding in series, and an ac contactor with coil paralleled with the startup winding to work and bypass the reactor when motor rotation speed up to threshold. This invention reduces startup current and time.

The invention provides a Roots vacuum pump, which belongs to the technical field of machinery and solves the technical problems of hard load start, high starting current, high impact on an electricity grid, high bearing impact, and the like of the existing Roots vacuum pump. The Roots vacuum pump comprises a pump body and a long pump shaft and a short pump shaft arranged in the pump body, wherein, rotors are respectively connected on the long pump shaft and the short pump shaft, the long pump shaft and the short pump shaft are connected with each other by a pair of engaged driver gears, one end of the long pump shaft extends out of the pump body on which an electric motor is arranged, and a rotating shaft of the electric motor and the pump shafts are connected by hydraulic driving mechanisms. The Roots vacuum pump has the advantages of favorable overload protection, low starting current, easy load start, short air suction time, etc.

The invention relates to a method for pre-vulcanizing a hydrogenation catalyst outside a hydrogenation reactor and activating the hydrogenation catalyst in the hydrogenation reactor. The method comprises the following steps of: (1) pre-vulcanizing the catalyst outside the hydrogenation reactor; (2) passivating the catalyst; and (3) reactivating the catalyst. A vulcanization method for the hydrogenation catalyst provided by the invention can guarantee high vulcanization rate of the catalyst; the passivated catalyst does not have abnormal odor and does not release hydrogen sulfide gas when being in contact with air or vapor; and the catalyst does not spontaneously combust and is not required to be protected by inert gas. Storage, transportation and filling methods and the like of the catalyst are simple and convenient. The catalyst can reach an activated state in a few hours during reactivation of an atmosphere containing a vulcanizing agent and hydrogen, is short in processing time, convenient to operate and has high catalytic performance.

A gear change mechanism of a secondary variable-speed starter comprises a first accelerating mechanism, and a secondary decelerating mechanism, wherein the first accelerating mechanism comprises a first variable-speed inner gear wheel, a first variable-speed planet gear wheel and a sun wheel gear connecting the secondary variable-speed mechanism. Inner teeth are formed at the big and small ends of the first variable-speed inner gear wheel, wherein the inner teeth of the small end are inserted into outer teeth produced by the front end of the rotor shaft of the starter; the inner gear wheel of the big end of the first variable-speed inner gear wheel drives the first variable-speed planet gear wheel; and the first planet gear wheel drives the sun gear wheel connected with the secondary variable-speed mechanism. The secondary decelerating mechanism comprises a planet gear wheel, an inner gear wheel, and a fixing tray of the planet gear wheel, wherein the planet gear wheel is driven by the sun gear wheel connected with the secondary variable-speed mechanism; the planet gear wheel rotates fixedly around the inner gear wheel and drives the fixing tray of the planet gear wheel to rotate, thereby outputting the rotating speed; and different reduction ratio parameters are set according to the property requirements of different types of starters. The mechanism has the advantages of large starting torque, short starting time, high efficiency, higher reliability and higher durability.

The invention relates to a method of closing a diesel engine (100) possessing at least two cylinders (110, 120, 130, 140). According to the disconnecting requirement, during the process from the inertia operation to the stop of the diesel engine (100), intake valves (111, 112, 113, 114) and / or vent valves (112, 122, 132, 142) of at least a first cylinder (130) and a second cylinder (110) are triggered, so the cylinder inflation level of the first cylinder (130) is higher than the cylinder inflation level of the second cylinder (110) at the stop moment. The first cylinder (130) is in the compression stroke and the second cylinder (110) is in the power stroke at the stop moment.

The invention belongs to the field of veterinary drugs and relates to the technical field of animal pharmaceutical manufacturing, in particular to albendazole ivermectin rumen floating tablets used for a cud chewer and a preparation method of the albendazole ivermectin rumen floating tablets. The albendazole ivermectin rumen floating tablets are prepared from, by weight, 10-50 parts of albendazole, 0.02-0.2 part of ivermectin, 10-50 parts of water-based gel materials, 10-60 parts of slow-release material and floating-assisted materials and 5-30 parts of foaming materials. The prepared albendazole ivermectin rumen floating tablets are short in blenching time, continuous floating time is 20 hours or more, blood drug concentration peak valley fluctuation of a product is small, and the medicine taking times can be reduced.

A closure with the function of a thermal fuse, comprising a closure body that closes a cavity that needs to be closed; a fuse element inserted in the closure body, and a passage provided in the closure body that can be at least indirectly closed; The invention also includes a bolt which is inserted into the through hole of the closure body and closes the through hole; the fuse element interconnects the bolt and the closure body; the closure of the present invention may also comprise a through hole A sleeve and a bolt, wherein the bolt is inserted into the through hole of the sleeve and closes the through hole, and the fuse element connects the sleeve and the bolt to each other. The sealing member with the function of a thermal fuse provided by the invention has short start-up time and reliable opening function, and is suitable for sealing the working space of a fluid power flow energy machine, especially a working space of a hydraulic coupling.

The invention is a starting resistance, including a resistance core, an insulating layer and electrodes connected with the resistance core and led out of the insulating layer, and its characteristic: the resistance core is mixed of a over 800-eye particulate material with the characteristic that the resistance reduces with the temperature increase at 0-300 deg.C, quartz powder and high aluminum powder, and binding by sodium silicate. As compared with existing technique, it is both small in bulk and able to solve the problems of long starting time of starter and high electric energy consumption of a three-phase cage asynchronous motor as well as high cost of manufacture and moisture proofing.

The invention belongs to the technical field of a medicine preparation, and discloses an intragastric floating sustained release tablet of a praziquantel composition and a preparation method thereof. The intragastric floating sustained release tablet of the praziquantel composition comprises the following raw materials: 65-85 parts of praziquantel, 50-60 parts of hydroxypropyl-beta-cyclodextrin, 40-60 parts of hydroxypropyl methyl cellulose, and 30-50 parts of xanthan gum. The intragastric floating sustained release tablet of the praziquantel composition provided by the invention is good in sustained release effect, and the blood concentration curve of praziquantel after medicine administration is smoother, the bioavailability of the praziquantel is significantly improved, and popularization and application of the praziquantel are facilitated.

The invention relates to the field of medicinal preparations, in particular to a paeonol gastric floating tablet. The tablet is prepared from the components such as 20 to 50 percent of paeonol, 15 to 30 percent of sustained-release matrix material, 10 to 25 percent of pore-foaming agent, 0.5 to 2 percent of flow aid and 10 to 30 percent of diluent; powder is directly subjected to tabletting to prepare the gastric floating tablet. The paeonol gastric floating tablet is short in floating starting time, long in floating duration, good in stability and capable of achieving a sustained-release effect of sustained release.

An input apparatus having a reduced-size electrostatic sensor that can precisely detect an input and then output a signal and, thus, has excellent responsiveness and reliability comprises the following: clock signal generating means (2) for generating clock signals; delaying means (6) for generating delayed signals by delaying the signal rise time of the clock signal according to the capacitance detected when a human appendage approaches or contacts an electrostatic sensor (5); AND means (3) for receiving the clock signal and the delayed signal as input signals and then outputting these signals as an output signal; and smoothing means (10) for smoothing and outputting the output of the analog switch.

The invention relates to the field of traditional Chinese medicine preparations, and discloses rhizoma corydalis total alksloid gastric floating tablets. The rhizoma corydalis total alksloid gastric floating tablets are prepared from an active component and pharmaceutic adjuvants, wherein the active component is a rhizoma corydalis total alksloid extract, and the pharmaceutic adjuvants are prepared from a sustained-release framework material, a retarding agent, a floating promoter and a flow promoter; the weight ratio of the active component to the pharmaceutic adjuvants is equal to (1 to 1.1)-(1 to 2.1). The rhizoma corydalis total alksloid gastric floating tablets are short in time consumed by floating up and long in floating duration time, and has a slow-release effect; after being taken, the gastric floating tablets are not affected by gastric emptying in virtue of the floating property and the adhesion of forming gel in water, and can stay in the stomach for a long time; the rhizoma corydalis total alksloid gastric floating tablets are high in bioavailability, strong in drug action and low in local irritation, so that the compliance of a patient is greatly improved.

A low-pressure mercury-vapor discharge lamp is provided with a discharge vessel (10). The discharge vessel (10) encloses a discharge space (11) provided with a filling of mercury and an inert gas in a gastight manner. The discharge vessel (10) is provided with an amalgam which communicates with the discharge space (11). The discharge lamp comprises means for maintaining an electric discharge in the discharge vessel (10). The discharge lamp is characterized in that the amalgam comprises a bismuth-lead amalgam having a lead content in the range from 35 <= Pb <= 60 at. %, a bismuth content in the range from 40 <= Bi <= 65 at. %, and a mercury content in the range from 0.05 <= Hg <= 1 at. %. Preferably, the amalgam additionally comprises gold with a gold content in the range from 0.1 <= Au <= 20 at. %. Preferably, the gold content is in the range from 8 <= Au <= 12 at. %. The lamp according to the invention exhibits a comparatively high initial radiation output and a short run-up time in combination with a relatively high radiation output at nominal lamp operation, which is achieved in a comparatively large temperature interval.

The invention discloses a start-up method for a fluidized bed. The start-up method for the fluidized bed comprises the following steps of: bonding a micro-spherical fluidized bed catalyst into globular, hemispheric, columnar, flake or irregular catalyst particles by using a wax material, wherein the diameter of the catalyst particle is 2 to 20mm according to the equivalent volume sphericity; packing the catalyst particles in a reactor of the fluidized bed for carrying out the air tight operation; introducing starting-up oil below a melting point of the wax material in the catalyst particles and carrying out the cyclic operation; raising the temperature of the reactor of the fluidized bed to be higher than that the temperature of the melting point of the wax material in the catalyst particles by 5 to 100 DEG C; dissolving the wax material in the catalyst particles in the start-up oil; and activating the micro-spherical fluidized bed catalyst. According to the start-up method for the fluidized bed, the problem that the micro-spherical catalyst is broken due to the extrusion and collision and is polluted by dust in the process of placing the micro-spherical catalyst into the reactor is solved; the catalyst particles are prevented from being taken out from the reactor or causing stoppage in the start-up process of the device; and the start-up method has the advantages of short start-up time, high efficiency and good effect.

The invention relates to a filter element (86) with multi-stage cleaning action, and to a fuel filter (84) having a filter element (86) of said type. The filter element (86) has a particle filter medium, a coalescer medium, a sediment gap (98), and a final separator screen. The filter element (86) is arranged in a filter housing (88) of the fuel filter (84), which filter housing comprises a filter housing body (110) and a cover (106) screwed onto the filter housing body (110). For convenient exchange of the filter element (86), the fuel filter (84) is designed such that, when the cover (106) is unscrewed from the filter housing body (110), at least one bayonet projection (112) of the filter element (86) engages behind a corresponding bayonet receptacle (114), such that the cover (106) can be removed together with the filter element (86) arranged thereon by way of the bayonet connection. The filter element (86) is preferably a filter element (86) with a ventilation pipe for the ventilation of the fuel filter (84).

A controlling system having a controller which acts on a controlled system as a function of a manipulated variable and a number of controller parameters is intended to provide a given control quality and a given control response in all operating states of the controlled system. For this purpose, the response characteristic of the controlled system is determined in a given time window during operation of the controller by comparing a wavelet transformation of the temporal response of the manipulated variable with a wavelet transformation of the temporal response of a controlled variable of the controller. An instant assigned to the respective wavelet transformation is detected, and the or each controller parameter is set as a function of the response characteristic.

The invention belongs to the technical field of machinery, and relates to a starting mode of a high power diesel engine driven by a generator in a reverse direction. According to the related startingmode of the high power diesel engine driven by the generator in the reverse direction, the generator adopts a combination of the diesel engine and an asynchronous generator, the starting mode is as follows: firstly, an outside high voltage alternating current power supply is connected with a converter, the converter converts voltage of the outside high voltage alternating current power supply intorated voltage of a frequency-variable and speed-variable generating unit, and the voltage is provided for the frequency-variable and speed-variable generating unit. Meanwhile, the converter activatesa unit control box and sends a generating unit electric starting instruction, the generating unit operates in an electric starting state after energization, and starts to rotate and drives the dieselengine to rotate in the reverse direction through a disc coupling or a high-elastic coupling, a generating unit control system instructs an oil sprayer to carry out oil spraying after the rotating speed of the diesel engine reaches a set rotating speed, and the diesel engine is ignited and started smoothly. The mode can reduce the waste of fuel oil, and reduce discharging pollution.

The invention relates to a method for preparing a gasoline hydrogenation modification catalyst, which uses a polysulfide ion sulfurizing agent containing an organic nitrogen compound as a passivating agent to treat the gasoline hydrogenation catalyst at low temperature, wherein the active component in the gasoline hydrogenation catalyst is the third One or more of Group VIB Mo, W or Group VIIIB Co, Ni, the stabilizer is one or more of Group IIB Zn, Cd or Group IA Na, K or rare earth metal La, Ce, This achieves stepwise complete sulfidation of metal oxides or their precursors and selective passivation of strongly acidic sites in the ZSM-5 molecular sieve composite carrier. The sulfurized gasoline hydrogenation modification catalyst prepared by the invention has the advantages of short start-up time, high hydrogenation olefin modification activity and selectivity, strong carbon deposition resistance, small octane number loss and high liquid yield, and It is especially suitable for low-cost hydrogenation and olefin reduction modification of inferior catalytic cracking gasoline to produce clean gasoline components.

The invention discloses a micro gas turbine generator set. According to the micro gas turbine generator set, an electrical control system is installed in an electrical cabin, a gas turbine, a starter generator, a fuel system accessory and a lubricating system accessory are installed in a power cabin, so that repair and maintenance are facilitated; the starter generator is adopted and used as a motor when the gas turbine is started, and the starter generator is used as a generator when the generator set is generating electricity, so that the number and weight of parts for the micro gas turbine generator set are reduced; the gas turbine is used as a power source, various fuels such as gasoline, diesel oil, natural gas, biomass gas can be used, the starting time is short, and the gas turbine can start quickly and reach a power supply state within 45s; in addition, the gas turbine adopts a layout mode of radial gas inlet and axial gas exhaust , the structure is simple and compact, and the installation space of the gas turbine is saved; and the micro gas turbine generator set is convenient to be installed and carried, and capable of well meeting the small-scale and distributed requirements of distributed power supply.

The invention belongs to the technical field of machinery, and relates to a starting method for a generator reversely driving a high-power diesel engine. It involves a starting method in which the generator reversely drives a high-power diesel engine. The generator adopts a combination of a diesel engine and an asynchronous generator. The starting method is as follows: firstly, connect an external high-voltage AC power The voltage of the power supply is converted into the rated voltage of the variable-frequency variable-speed generator set, and provides voltage for the variable-frequency variable-speed generator set; at the same time, the frequency converter activates the control box of the unit and sends out an electric start command for the generator set. Start to rotate and reversely drag the diesel engine to rotate through the disc coupling or high-elastic coupling. When the diesel engine speed reaches the set speed, the generator set control system instructs the injector to inject fuel, and the diesel engine ignites and starts smoothly. The invention reduces the waste of fuel oil and reduces the pollution of discharge.

The invention relates to the field of traditional Chinese medicine preparations, and discloses rhizoma corydalis total alksloid gastric floating tablets. The rhizoma corydalis total alksloid gastric floating tablets are prepared from an active component and pharmaceutic adjuvants, wherein the active component is a rhizoma corydalis total alksloid extract, and the pharmaceutic adjuvants are prepared from a sustained-release framework material, a retarding agent, a floating promoter and a flow promoter; the weight ratio of the active component to the pharmaceutic adjuvants is equal to (1 to 1.1)-(1 to 2.1). The rhizoma corydalis total alksloid gastric floating tablets are short in time consumed by floating up and long in floating duration time, and has a slow-release effect; after being taken, the gastric floating tablets are not affected by gastric emptying in virtue of the floating property and the adhesion of forming gel in water, and can stay in the stomach for a long time; the rhizoma corydalis total alksloid gastric floating tablets are high in bioavailability, strong in drug action and low in local irritation, so that the compliance of a patient is greatly improved.