58results about How to "Reduce the safety of use" patented technology

The invention discloses an alcohol-based fuel combustion improver and an alcohol-based fuel. The alcohol-based fuel combustion improver consists of 4.9-93 parts by weight of co-solvent, 4.9-93 parts by weight of bio-oil, 0.1-0.3 part by weight of smoke suppression combustion improver and 1.0-3.0 parts by weight of combustion improver; and the alcohol-based fuel is formed by mixing and stirring 80-99 parts by weight of methanol and 1-20 parts by weight of alcohol-based fuel combustion improver. By adopting the combustion improver disclosed by the invention, the prepared alcohol-based fuel is a novel biological environment-friendly alcohol-based fuel, the calorific value is as high as 6,000-10,000 calories/g, and the combustion performance is good; and moreover, the alcohol-based fuel has high flash point and low volatility, and potential safety hazards in the prior art are eliminated. The alcohol-based fuel disclosed by the invention also has the characteristics of being safe and environment-friendly, reproducible, clean and sanitary, convenient to use, cheap and the like.

The invention discloses a lifting and carrying device for warehouse cargoes. The lifting and carrying device for warehouse cargoes comprises a supporting rack, wherein a roll is fixed to the horizontal end of the top of the supporting rack through a bolt; one side of the roll is in transmission connection to a servo motor through an output shaft; the lower side of the roll is connected to a lifting plate on the inner surface wall of the supporting rack through a hinge by means of a steel rope; a driving air cylinder is fixed to the upper end of the outer surface wall on one side of the supporting rack through a bolt; the lower end of the outer surface wall on one side of the supporting rack is connected to a loading conveyor belt through a connecting rod; the upper end of the outer surfacewall on the other side of the supporting rack is connected to an unloading conveyor belt through a connecting rod; and a driving motor is fixed to the outer surface wall on the other side of the supporting rack through a bolt, and the upper side of the driving motor is in transmission connection to a hairbrush disc through an output shaft. The lifting and carrying device for warehouse cargoes disclosed by the invention is simple and reasonable in design of integral structure, flexible and convenient to operate and safe and stable to operate, achieves the quick and safe lifting and carrying effect of cargoes, and is of relatively high practicality.

The invention discloses a steel ladle gas-breathable upper water gap seat brick and a method for controlling a steel ladle to unload slag by same. The steel ladle gas-breathable upper water gap seat brick comprises a steel ladle upper water gap seat brick body, a gas-breathable plug, a gas chamber box, a gas-breathable plug base, a gas-blowing pipeline, a runner hole and an upper water gap mounting hole. The control method comprises the following steps of: 1) putting the steel ladle upper water gap seat brick at a bottom tap hole of the steel ladle, and enabling the gas-blowing pipeline whichgets out from the steel ladle gas-breathable upper water gap seat brick to communicate with a gas path pipeline; 2) when a ratio of height of molten steel in the steel ladle to height of the steel ladle is 1 to (16-35), blowing inert gas into the molten steel through the gas-blowing pipeline, forming a circular concave region free of a slag layer on the surface of molten steel, and restraining steel ladle from unloading slag; and 3) when the steel ladle has slag unloading, closing a steel ladle water hole, and stopping blowing gas through the gas-blowing pipeline. According to the steel ladlegas-breathable upper water gap seat brick disclosed by the invention, argon gas is blown in at a last stage of casting, the circular convex region free of the slag layer is formed on the surface of molten steel, steel ladle slag unloading caused by conflux vortex and drainage sunken pits is effectively restrained, casting margin, which is reduced by 35% or more in comparison with existing castingmargin, of molten steel in the steel ladle is reduced.

The invention provides a high temperature methanation reactor, which comprises a reactor cylindrical body. The reactor cylindrical body includes a reactor external cylindrical body (3), a reactor internal cylindrical body (4) and a jacket layer (5) between the internal and external cylindrical bodies. The upper part of the reactor cylindrical body is provided with a reaction gas inlet (1) and a gas distributor (2), and the lower part is equipped with a gas collector (8) and a reaction gas outlet (9). The jacket layer (5) is filled with a high temperature refractory material. The reactor cylindrical body is loaded with a catalyst bed (6) inside. An inert filler (7) fills the space between the gas distributor (2) and the catalyst bed (6) and the space between the catalyst bed (6) and the gas collector (8). The reactor internal cylindrical body (4) of the reactor provided in the invention is a high temperature resistant stainless steel material, and is hard to crack and come off under a thermal shock, thus avoiding local clogging of the catalyst bed. The reactor is also provided with the gas distributor, the gas collector and the inert filler, so that a feed gas can pass the catalyst bed uniformly, and the product gas can leave the reactor uniformly.

The embodiment of the invention discloses an information processing method, a development platform, a client and an information system. The information processing method applied to the development platform includes the following steps: acquiring a monitoring module of a genuine application; acquiring a first characteristic value of the genuine application; and encapsulating the monitoring module,the first characteristic value and an application code of the genuine application to form an installation file of the genuine application, wherein the monitoring module is used for extracting a secondcharacteristic value of the current application in an application running process, comparing the second characteristic value with the first characteristic value, and further determining whether the current application is a pirated application. Thereby, by adding the monitoring module and the first characteristic value to the genuine application, the operation of automatically acquiring the secondcharacteristic value of the current application in a subsequent application running process can be facilitated; and through the comparison with the first characteristic value, whether the current application is the pirated application can be found in time, and the characteristic of simple operation can also be achieved.

The invention discloses a processing method of ultrafine grinding wires. The processing method comprises the following steps of preparation of a treatment solution; preparation of a master batch; andmelt spinning. In the processing method, without using absolute alcohol, the risk that the absolute alcohol is inflammable and explosive is solved; the ultrafine grinding wires do not need to be laidand aired, so that the production space is greatly saved; without tedious programs including manual pelletizing, sieving and drying, the production efficiency is improved; and with a simple and convenient technology, the loss of diamond micropowder is reduced, and the cost is effectively lowered. In addition, for the ultrafine grinding wires produced by the processing method, the content of the diamond micropowder is full in content and uniform in distribution, so that the rigidity and the abrasion resistance of brush wires are improved, and the service life of the brush wires is prolonged; inthe use process, the fine polishing effect of the surface of a workpiece can be better; the diameter can be from 0.08mm to 0.149mm, and the blank of a product in the domestic and foreign markets is filled.

The invention discloses a motor home carriage roof cover overturning device to solve the problems that manual carriage cover pushing is high in labor intensity and poor in use safety. The motor home carriage roof cover overturning device comprises a motor home frame, a carriage, a carriage roof cover and an overturning unit. The carriage is fixed to the motor home frame. One end of the carriage roof cover is hinged to the top of the carriage. The overturning unit comprises a pull rod, an overturning arm and a drive motor. One end of the pull rod is hinged to the carriage roof cover. The other end of the pull rod is hinged to one end of the overturning arm. The other end of the overturning arm is connected to the output end of a transmission mechanism in a non-rotation mode. The input end of the transmission mechanism is connected with an output shaft of the drive motor through a retarding mechanism. The drive motor drives the overturning arm to swing through the retarding mechanism and the transmission mechanism, and the carriage roof cover overturns around a hinged point through the pull rod. The motor home carriage rood cover overturning device is reasonable in design, convenient to operate, low in overturning labor intensity and good in use safety.

The invention provides a vascular stent system and an application method thereof. The vascular stent system comprises a radial expansion balloon, a balloon expansion dilating catheter and a radial expansion stent; the position between the radial expansion balloon and the radial expansion stent is enclosed with a guide wire reserved channel, a guide wire reserved channel protection tube and a protection tube filler are arranged in the guide wire reserved channel, the inner wall of the guide wire reserved channel is attached to the guide wire reserved channel protection tube, and the guide wire reserved channel protection tube is filled with the protection tube filler. The application method of the vascular stent system includes: taking out the protection tube filler from the guide wire reserved channel protection tube; piercing additional guide wires out of the guide wire reserved channel protection tube and a center wire out of the balloon expansion dilating catheter; taking out the guide wire reserved channel protection tube; moving the radial expansion balloon and the radial expansion stent to corresponding vascular disease sites along the center guide wire and the additional guide wires for treatment of vascular diseases. The vascular stent system and the application method thereof have the advantages of high long service life and high security and can be applied to narrow blood vessels and the like.

The present invention discloses a kitchen appliance, belonging to the household appliance technology field, The technical problem is solved that the user experience of the kitchen appliances is bad in the prior art. The kitchen appliance comprises a body and a display unit, an operation unit and a control unit which are arranged in the body; the display unit is configured to display the display state 1 of the work information and form a first information display area and a second information display area in the display state 1, and the work information displayed by first information display area is associated with the work information displayed by the second information display area; the operation unit is configured to select the display state of the display unit; and the control unit is configured to electrically connect with the display unit and the operation unit and control the display unit to display the display state 1.

The invention discloses a method for determining a buffer gap of a large impact attenuation buffering device of an inertial navigation system. The method comprises the following steps of S1, carrying out six-direction rigidity damping model construction and physical parameter definition on each rubber shock absorber; S2, constructing an inertial coordinate system, an inertial navigation coordinate system and a shock absorber coordinate system, and defining relationships among the coordinate systems; S3, defining system physical parameters, kinematics parameters, the buffer gap and external excitation; S4, constructing a six-degree-of-freedom kinetic equation of the buffering device; and S5, calculating according to external impact and obtaining y-direction and z-direction buffer gap design quantities Ly and Lz based on the design margin. The method for determining the buffer gap of the large impact attenuation buffering device of the inertial navigation system is simple and convenient to calculate, easy to operate and high in result accuracy and reliability, the use safety of the large impact attenuation buffer device of the inertial navigation system can be effectively guaranteed, and the service life is prolonged.

The invention discloses a decolorizing agent for reducing the brown stain index of yellow pear juice, and relates to the technical field of processing of yellow pear juice. A modified molecular sieve is used as a carrier, poloxamer/crospovidone is used as an adsorbent, a microwave impregnation method is used, and the decolorizing agent is prepared. The decolorizing agent disclosed by the invention is prepared through using the modified molecular sieve after modification strengthening treatment as the carrier; the decolorizing agent is specially used for reducing the brown stain index of the pear juice; and in the respect of the occurred brown stain of the yellow pear juice, after the decolorizing agent is used, the color value of the yellow pear juice is effectively increased, so that the appearance quality of the yellow pear juice is improved.

The invention discloses a steel-concrete composite structure continuous box girder and a manufacturing method thereof, and belongs to the technical field of bridge structures. The continuous box girder still adopts a flat steel web in a sagging moment area, but adopts a corrugated steel web to replace a conventional flat steel web in a middle fulcrum hogging moment area, adopts an embedded PBL shear connector to connect the corrugated steel web and a concrete top plate, and is filled with an elastic material between the outer sides of a wave crest section and a wave trough section of the corrugated steel web and a concrete contact surface to form a reserved deformation buffer area. Once prestress is applied to the hogging moment area, compressive deformation is prone to occurring under pressure due to the fact that the longitudinal rigidity of the corrugated steel web is small, and meanwhile, the elastic material allows the corrugated steel web to transversely expand and deform. By means of the combined action of the two factors, the pre-pressing stress can be effectively applied to the concrete top plate, and the prestress applying efficiency is effectively improved. The compositestructure effectively relieves the possibility of concrete cracking in the hogging moment area, and the safety and durability of the bridge are improved.

The invention discloses an emulsion explosive for exploitation, and the emulsion explosive comprises the following components in percentage by weight: 50 to 65 percent of ammonium nitrate, 3 to 10 percent of sodium nitrate, 2 to 10 percent of oil phase, 5 to 10 percent of water, 0.2 to 4 percent of a sensitizer, 3 to 10 percent of a viscosity reducer and 3 to 10 percent of a thickening agent. According to the invention, aiming at the problems of serious explosive return phenomenon, environmental pollution caused by explosive powder and the like, various components in the material and properties thereof are reasonably blended and optimized according to specific requirements of the explosive, so that a corresponding new emulsion explosive for exploitation is created, which is an objective need of a development period at present and even in the future.

The invention discloses a damping and noise-reducing solid tire and a preparation method thereof, and relates to the technical field of damping and noise-reducing solid tires. Center pattern blocks (8), side pattern blocks (10) and filling pattern blocks (11) are regularly distributed on a tread (2) of the tire body (1), side holes (13) are circumferentially distributed in the second tire side area (4) with the center line of the tire body (1) as the axis, the side holes (13) are inclined taper holes, and open hole circles exposed on the tire side are small circles of the side holes (13). Compared with the prior art, the solid tire has the beneficial effects that the method of adding the hollow inorganic particles into the polyurethane material of the solid tire and improving the structureof the solid tire is adopted, the tread is provided with the pattern blocks, the tire side wall is provided with the side holes, the vibration of the solid tire can be effectively reduced, and the noise is reduced by 2-8 dB.

The invention discloses a variable-frequency power source, which comprises a housing and frequency changer circuit installed in the inner of the housing, wherein the housing comprises a head board, a backboard, a left board, a right board, a baseplate and a cover plate, wherein on the top of the head board and the back board are both arranged with smooth edges, the cover board is installed with chute, on the inside of the left board and the right board are both arranged with a radiator, at least two through-holes is arranged on the back board, and a radiator fan is installed in the inner of the through-holes. The housing is set to detachable structure for convenient and timely maintenance when the inner of variable-frequency power source breaks down. In the meantime, heat radiation structure is set, which can reduce the stability and safety of power supply due to low heat dissipation. Adopting the variable-frequency power source, the failure rate of variable frequency power supply can be reduced by at least 50%, thereby the performance of the appliance is greatly improved, and the stability is increased.

The invention discloses a portable female intimate part nursing device. An energy light sterilization working principle of a light source assembly is employed. The portable female intimate part nursing device comprises a cylindrical body, a light source assembly, a driving assembly and a shield assembly. The cylindrical body has a hollow inner cavity and is divided into a nursing section and a handle section along the axial direction. When the device is in use, a switch key is pressed down and a display light is turned on; the handle section is held and the nursing section is sent into a vagina; a remote control device carries out remote controlling to turn on a first lamp tube, a second lamp tube, and a vibration motor; and the energy light emitted by the first lamp tube and the second lamp tube can carry out full sterilization or cleaning on the vagina effectively. The vibration motor can sense the body when the device works; and the nursing section can be sent into the vagina basedon the semi-elliptical or hemisphere front end of the nursing section. The portable female intimate part nursing device has characteristics of simple structure, high portability, safe use, low cost and strong practicability and is suitable for popularization and application in the field.

The invention provides a metal high-temperature fire head, and relates to the technical field of temperature control equipment. The metal high-temperature fire head comprises a fire head shell, gas inlet pipes, a partition plate, a fire distribution plate, gas distribution pipes and a fire outlet, the gas inlet pipe is communicated to the bottom of the fire head shell, the fire distribution plate is fixedly connected to the opening position of the top of the fire head shell, the fire outlet is formed in the fire distribution plate, the partition plate is installed in an inner cavity of the fire head shell, and the gas distribution pipe is arranged between the partition plate and the fire distribution plate. A stainless steel material is selected as a high-temperature fire head material, so that the defects of manufacturing shapes, easiness in breaking and the like are overcome; the two groups of air inlet pipes and the multiple groups of branch air pipes are arranged to form a double-layer steam inlet and multi-pipe branch structure, so that the defect of high-temperature tempering is effectively overcome, and the use safety is ensured; meanwhile, the appearance specification of the high-temperature fire head is reduced, the requirement for manufacturing a small high-temperature fire head is met, the temperature control precision during quartz crystal form transformation can be improved, and the quartz crystal form transformation effect is further improved.

The invention discloses a hydraulic locking mechanism for an oil storage tank of an oil tanker, which comprises a clamping plate, a clamping plate is arranged on the top of the clamping plate, a clamping groove is opened on the top of the clamping plate, and the clamping plate A positioning pin is arranged on one side of the groove, an oil guide pipe is arranged inside the clamping plate, an oil distribution pipe is arranged inside the oil guide pipe, an oil spray nozzle is arranged inside the oil guide pipe, and a return chamber is arranged on the top of the oil guide pipe. The inner and outer walls of the clamping plate are provided with a hollow plate, and the inside of the hollow plate is provided with balls, and the inner bottom of the clamping plate is provided with a telescopic cylinder, and the telescopic cylinder is connected with a hydraulic locking rod through a hydraulic telescopic rod. The bottom of the holding plate is welded with a bottom plate, the inner surface of the bottom plate is provided with positioning grooves, the two sides of the bottom plate are provided with anti-collision bars, and the outer side of the clamping plate is provided with reinforcing blocks. In the present invention, the overall structural design of the locking mechanism is simple and reasonable, the operation is safe and flexible, no loosening occurs after locking, and it has strong practicability.