44results about How to "Normal entry" patented technology

The invention provides a feed water heater of a boiler. The feed water heater allows the temperature of the metal wall of the final-stage coal economizer of the boiler to be higher than the dew point temperature of the flue gas, prevents low temperature corrosion and ensures that the flue gas can enter into the next stage flue gas evolution system. According to the technical scheme of the invention, the feed water heater comprises a boiler barrel and a final-stage coal economizer. The feed water heater of boiler is characterized in that a feed water heating pipe is positioned in the steam space of the boiler barrel; the outlet of the feed water heating pipe leads to the inlet collection box of the final-stage coal economizer; and the water inlet of the feed water heating pipe is externally connected with a main feed water pipe.

The invention relates to a repair system for a master boot record of a hard disc. The repair system comprises an examining module for checking a value of a boot counting mark of a BIOS (Basic Input Output System) during a power on self test of a computer; a reading module for reading the master boot record of the hard disc from a corresponding sector of the computer hard disc when the computer is initially booted according to the value of the boot counting mark; a storage module for storing the master boot record of the readable hard disc to a substrate management controller; and an invoking module for invoking the master boot record of the hard disc stored in the substrate management controller when the value of an end mark of the master boot record of the hard disc is not AA55, and recovering the invoked master boot record of the hard disc to the corresponding sector of the hard disc. The invention further provides a repair method for the master boot record of the hard disc. The master boot record of the hard disc can be effectively repaired by the repair system.

The embodiment of the invention discloses a dust falling prevention mechanism for a dust collection box of a sweeper. The mechanism comprises a dust box movably connected into a sweeper body and an air rolling cylinder installed in the sweeper body. A dust inlet is formed in one end, close to the air rolling cylinder, of the dust box; a blocking mechanism used for sealing the dust inlet is installed at the position, corresponding to the dust inlet, of the inner wall of the dust box. The air rolling cylidner is provided with a gear box. The cross section of the gearbox box is of a right trapezoid structure, and the gearbox box is used for pushing away the blocking mechanism and being inserted into the dust inlet to guide dust into the dust box; according to the invention, the blocking mechanism with an automatic closing effect is additionally arranged in the dust box; therefore, the problem of secondary falling of dust caused by untight sealing when the dust collection box is pulled outis solved, that is, when the dust collection box is not used in daily life or the sweeper is pulled out, the upper and lower blocking pieces can be pushed by the spring to block the dust collection port, and the upper and lower blocking pieces are not easily influenced even if the dust collection box is vibrated or shaken, so that dust in the box falls out.

The invention discloses a noodle maker convenient for operation. The noodle maker comprises a base, a stirring cup connected to the base and an upper cover covering the stirring cup. The noodle maker is provided with a stirring assembly and a dough extrusion assembly. The noodle maker is characterized in that the noodle maker comprises a weighing unit and a control unit for controlling the weighing unit, the noodle maker is provided with a protection structure, the protection structure is arranged at the weighing unit, and a safe stroke of the protection structure is less than a safe stroke of the weighing unit. The existing noodle maker is provided with the weighing unit so that a user can accurately control use amounts of flour and a liquid and the noodle maker normal-use is not influenced by inappropriate operation through a user. The noodle maker provided by the invention is provided with the control unit so that corresponding liquid weight can be automatically calculated after flour addition and the noodle maker gives a liquid weight prompt for the user and thus use operation is simplified.

The invention relates to the technical field of measuring of ground stress, in particular to a sectional combined type water pressure cracking stress measuring filter. The sectional combined type water pressure cracking stress measuring filter comprises a hollow pipe column, a first filter and a second filter, wherein the first filter and the second filter are respectively of a hollow column body structure; the second filter is sheathed at the outer side of the first filter; one end of the first filter is connected with one end of the hollow pipe column. The sectional combined type water pressure cracking stress measuring filter has the advantages that after simple assembly, the graded filtering can be performed, so that the iron rust is prevented from entering a push-pull switch, and the testing can be smoothly performed; the blockage of filter holes by chemical grease is avoided, the liquid is guaranteed to normally enter the push-pull switch, and the testing can be smoothly performed.

The invention relates to the technical field of milling machines, in particular to a multi-station numerical control double-side milling machine which comprises a workbench, two first supports are vertically, symmetrically and fixedly installed on the left side and the right side of the top wall of the workbench, and electric sliding rails are fixedly installed on the side walls, away from each other, of the two first supports. The two electric sliding rails are movably provided with sliding blocks in a matched mode, first telescopic rods are horizontally and fixedly installed on the side walls of the adjacent sides of the two sliding blocks, electric tool bits are horizontally and fixedly installed at the output ends of the first telescopic rods, and a second support is fixedly installed on the top wall of the workbench; and a mounting rod is vertically and movably mounted on the second bracket. The dust cover is installed on the electric tool bit, so that the effect of preventing chippings from splashing all around is achieved, and the chippings on the inner bottom wall of the chipping dust cover are collected under the action of the collecting box.

The invention belongs to the technical field of circuit protection, in particular to a protection method of an asynchronous motor. The high-voltage circuit breaker protector used in the method comprises a frame body, a driving module and a driven module. The upper and lower surfaces of the frame body are respectively provided with two active modules; The frame is provided with a driven module; Asthe voltage increase, heat is generated to heat mercury, the T-shape insulating rod is moved upward to make the first contact disconnect from the second contact, the electromagnetic generator is stopped from supplying power, the brake rod is moved downward to drive the upper bearing plate and the lower bearing plate to do opposite movement, and the two electric contact balls are separated under the action of the elastic rope, so that the main circuit is disconnected; When the temperature returns to normal, As mercury contract more slowly, the shrinkage of mercury is accelerated through the elastic force of the first spring and the gravity of the T-shaped insulating rod so that the first contact and the second contact are connected, the electromagnetic generator is normally powered, and thebrake rod is moved upward to drive the upper bearing plate and the lower bearing plate to move in opposite directions, so that the two electric contact balls are contacted, thus realizing the automatic circuit opening and closing.

The invention provides a cloth transfer mechanism, belongs to the technical field of machines and solves the problem of low work efficiency of the existing cloth transfer. The cloth transfer mechanism comprises a pressing plate connecting plate, a front pressing plate and a rear pressing plate; each of the front pressing plate and the rear pressing plate is located below the pressing plate connecting plate and is opposite to two ends of the pressing plate connecting plate; each of the front pressing plate and the rear pressing plate is fixedly provided with a vertically-arranged guide rod penetrating through the pressing plate connecting plate; the pressing plate connecting plate can slide along the guide rods to be close to or far away from the front pressing plate and the rear pressing plate; an elastic buffer part is arranged between the front pressing plate and the pressing plate connecting plate; and an elastic buffer part is arranged between the rear pressing plate and the pressing plate connecting plate. The cloth transfer mechanism drives cloth to move in a static friction way, a cloth clamping part is kept not to have drapes and deformation in the transfer process, influences from a height difference caused by unevenness of a deskboard can be avoided, and the cloth can be kept to be transferred smoothly all the time and can be kept to normally enter the subsequent processing and use, so that the work efficiency is increased.

The present invention relates to the technical field of video image processing, in particular to an intelligent monitoring system and method based on image processing. Display the warning area and the character frame; it is also used to sequentially determine whether the warning area in the image I overlaps with the character frame, if the warning area in the image I of the current frame coincides with the character frame, then obtain the image I within the preset time period as image II ; The image analysis subsystem is used to sequentially calculate the coincidence rate of the warning area and the person frame in the image II, and generate a prediction result according to the coincidence rate. When the prediction result is a stay, a prompt signal is generated; when the prediction result is an intrusion , generating an alarm signal. This solution can remind the security personnel when someone invades the warning area, effectively protect the warning area, and make reasonable use of human resources.

The invention belongs to the technical field of computer safety, and particularly relates to a computer software safety management device which comprises a shell, a cavity is formed in the shell, a telescopic mechanism, a cushioning damping seat, a mounting seat and a control panel are sequentially arranged in the cavity from bottom to top, the telescopic end of the telescopic mechanism is connected with the mounting seat through the cushioning damping seat, and the control panel is connected with the mounting seat through the cushioning damping seat. The electrostatic dust collection mechanism is arranged in the shell, static electricity can be generated on a metal net through the electrostatic dust collection mechanism, and when dust-containing gas passes through the metal net from the air inlet groove, dust particles are combined with negative ions to be charged with negative electricity and tend to discharge towards the surface of the anode to be deposited; according to the dust collection device, dust collection can be achieved. Meanwhile, dust deposited on a metal net can be brushed under driving of a motor through cooperation of a scraper and a brush, and therefore automatic cleaning is achieved, it is guaranteed that air can normally enter a cavity, manual regular cleaning is not needed, and cleaning is more convenient.

The present invention provides a portable type radon emanation and thorium emanation detector including a detecting chamber, the detecting chamber includes a sampling cavity for sampling and analyzing air, and an exhausting cavity for exhausting the analyzed gas. An air inlet port is arranged on the side wall of the sampling cavity, and a gas exhaust port is arranged on the side wall of the exhausting cavity. The sampling cavity furthermore includes: a filtering part arranged between the sampling cavity and the exhausting cavity; and a sampling part arranged on the position opposite to the exhausting cavity. The portable type radon emanation and thorium emanation detector enables the radon emanation and thorium emanation to combine with an aerosol by utilizing two diffusion cavities separated by glass fibre, and a formed radioactive aerosol daughter is retarded in the filtering part, and alpha particles emitted by the daughter form a radiation damage track on a track detecting element after the alpha particles are emitted to the sampling part. A track density on the track detecting element is detected after accumulated monitoring, thereby calculating various alpha potential energy concentrations caused by the track density.

The invention discloses a Caenorhabditis elegans based micro water sample toxicology detection method, belonging to the technical field of the environmental toxicology detection on water samples. The method mainly comprises the steps of carrying out sterilization treatment on an environment water sample, culturing nematode, exposing a biological sample of the environment water sample, and performing toxicology detection on the water sample. The Caenorhabditis elegans based micro water sample toxicology detection method is characterized in that the complexity effect of a multi-kind polyvalent mixture in the environment water sample on a living body is evaluated comprehensively, the required water sample amount is low, the operation is simple, and the method can be used for solving the problems that the waste liquid amount in an existing pollutant toxicologic study is high and can be treated difficultly and secondary pollution can be caused, overcoming the experimental error caused by change of the concentration of substances in the water sample due to water evaporation, achieving rapid detection of the toxicology of the living body in the water sample, solving the problems that the existing water sample toxicology detection time is long, the cost is high and the like, and improving the accuracy and the precision of the environmental water sample evaluation.

The invention discloses a stainless steel fine line production device capable of preventing deviation. The device comprises a base, a pay-off structure, a wire drawing hub, a lubricating structure, a take-up structure and a positioning piece, the pay-off structure comprises a pay-off rack and a wire guide unit, the end side of the base is provided with a wire guide wheel, a wire hole and a connecting rod, the base is provided with a rotating seat, the wire drawing hub is fixedly connected to the rotating seat. The lubricating structure comprises a lubricating box and a first wire guide wheel, the positioning piece is located between the wire drawing hub and the first wire guide wheel and comprises a limiting body and an adjusting rod, the take-up structure comprises a rotating plate and a take-up frame, and the take-up frame is connected to the rotating plate. The wire guiding unit is arranged between the pay-off rack and the base, and the positioning piece is arranged between the lubricating box and the wire drawing hub, so that the stainless steel wire can be normally guided into the wire inlet guide wheel of the next procedure in the wire drawing process, and therefore, the production efficiency and quality of the stainless steel wire are ensured.

The invention discloses a dry sludge transportation system and device. The system includes a control module, a feeding module and a transportation module. The control module includes a control box. The feeding module includes a vibration module, an automatic cleaning module, a sticky wall automatic spraying module and an overloading alarm module. The transportation module includes an anti-idling automatic detection module, a driving motor, a gear box and a rotor pump. The system is scientific, reasonable and safe and convenient to use, the arrangement of the rotor pump makes the occupied areaof the device reduced, the transportation efficiency of the device is effectively improved, the friction time between materials and a rotor is reduced, the wear pressure of the materials on a rotor-pump chamber is thus reduced, wear of accessories is reduced, the system has the functional advantages of energy conservation and high efficiency, the materials are thus not stuck or overhead in a feeding hopper, the materials can normally enter the rotor pump, idling of the rotor pump is effectively avoided, and the service life of the rotor pump is effectively prolonged.

The invention discloses a municipal LED lamp, which comprises a base, a support rod, a lamp body, a top block, and an anemometer. The support rod is embedded between the top of the base and the bottom of the lamp body, and the top block is installed at the center of the top of the lamp body. Position, because the lawn lamp for lawn decoration and lighting scrapes the soil on the top surface of the lamp body through the inclined plate, because the installation height of the lawn lamp is low, preventing the soil in the soil from mixing with water and splashing on the surface of the lamp body, Under the sunlight, the mud and water condense and accumulate, and a thick soil layer is formed on the top surface of the lamp body. The formed soil layer is scraped off to speed up the timely dissipation of heat generated by the lawn lamp, increase the service life of the lamp and reduce the service life of the lawn lamp to ensure the normal operation of the lawn lamp. Lighting, by blocking the ball from rolling in the opening, the steel wire block outside the blocking ball scrapes and collects the soil on the inner wall, preventing the soil from accumulating on the inner wall of the opening and causing the opening to be blocked, so that the soil scraped off the top surface of the lamp body can enter the aggregate normally in the pool.

The invention discloses a treatment device for straw returning to the field, which comprises a frame, a support wheel set that drives the frame to move, and a crushing mechanism installed on the frame. The crushing mechanism includes a casing and a crushing mechanism rotatably installed in the casing. The inner wall of the shell and the ring surface of the crushing roller are processed with crushing teeth that cooperate with each other. The shell is processed with a feed hopper and a discharge pipe. A bracket is provided between the feed hopper and the shell. A guillotine mechanism for cutting straw is installed, and a compensation roller floatingly connected with the crushing roller is installed in the shell below the guillotine mechanism. The crushing roller under the discharge pipe is equipped with a winnowing piece that drives the straw to be thrown out. The crushing mechanism The frame on one side is provided with a transmission mechanism that drives the crushing roller to rotate. In the present invention, by setting the guillotine mechanism and the compensating roller, the straw can be cut and then sent to the crushing roller, so as to increase the crushed grain size of the straw, which is used for returning the straw to the field in hilly areas.

The invention belongs to the technical field of electrical equipment. The invention relates to a recovery device, in particular to a waste tinned wire excess material recovery device. The technical problem that an existing recycling device cannot well classify and recycle three materials of tinned wires is solved. Presented are solutions, which comprises a base, a rectangular groove is formed in the top end of the base; the base is provided with a tin oxide recovery tank at the rectangular groove; the bottom end of one side of the tin oxide recovery tank is fixedly connected with a strut; electromagnetic heating bins are fixedly connected to the top ends of the tin oxide recovery tank and the supporting rods and connected with a circuit of the device, circular through holes are formed in the two ends of each electromagnetic heating bin, curved grooves are fixedly connected to the positions, at the two circular through holes, in each electromagnetic heating bin, and through holes are formed in the bottom ends of the electromagnetic heating bins. According to the tinned copper wire tinning device, by arranging the electromagnetic heating bin, the tin layer of the tinned copper wire is heated through the heating bin, components in the tin layer are all converted into tin oxide, tin oxide is an important industrial raw material, and economic benefits are brought to recycling work.