43results about How to "Avoid accidental spills" patented technology

The invention provides a multi-layer container, which comprises: a cover (10) having a plurality of first locking protrusions (15); and a plurality of container bodies (20) having a plurality of locking pieces (23). Each of a plurality of locking pieces (23) rotatably extends from each predetermined portion of the peripheral outer surface of the container body (20), and locking holes (24) are provided on the locking pieces (23). The multilayer container also includes an intermediate cover (30) disposed between the cover (10) and the uppermost container body (20), or between the container bodies (20). The middle cover (30) has: a disc-shaped part (31); a coupling part (32), which is bent into a groove shape when it extends from the edge of the disc-shaped part (31); A predetermined portion of the portion (32) extends downward, and a second locking protrusion (25) is provided on an end portion of each of the plurality of coupling flaps (35).

The invention provides a method for realizing remote rapid backup by utilizing a common Internet network. The method is characterized in that a fingerprint technique is adopted to identify a specific file from the redundant backup of the whole enterprise, so that the transmission and storage of redundant data are not required, and the quantity of data transmitted on a wide area network is greatly reduced. The method comprises the following steps of: only installing lightweight agent software for a small-size remote branch structure; for a large-middle-size remote branch structure, distributing a storage pool which consists of a wave server and a storage array and is used for storing the data of the branch structure; distributing a large-size storage pool in a headquarter backup center; carrying out global repeated data deletion on the data of the remote branch structure and then transmitting to the headquarter backup center through the wide area network; transmitting the data of the backup center to a remote disaster tolerance center through a broadband optimization mode so as to achieve the remote concentrated backup and the remote disaster tolerance of enterprise data at the wide area network environment; and locally implementing global unique file and field section identification by the lightweight agent software installed on a client. According to the invention, increment data just need to be transmitted on the network, so that the backup broadband is reduced by 50% or above.

The invention discloses a locking self-sealing dry quick joint. The locking self-sealing dry quick joint comprises a dry quick male joint and a dry quick female joint; the dry quick male joint comprises a male joint shell, a male joint valve base, a guide spring bushing, a spring, a slide valve element and a spiral guide groove; and the dry quick female joint comprises a female joint shell, a valve element support base, a fixed valve element, a slide valve base, a guide bushing, a spring bushing, a spring, a front end cover, a cam and an operation hand wheel. The locking self-sealing dry quickjoint realizes connection and disconnection through the female joint axially rotated in and out of the male joint, so that the medium leakage quantity in the connection and disconnection process during fluid conveying is reduced, and the purposes of environmental protection and conservation are achieved; and the locking self-sealing dry quick joint reduces internal friction of a mechanical structure through the cam and the spiral guide groove structure, is lower in operation driving force, saves both time and cost, optimally designs the flowing speed, and guarantees lower flow and pressure loss.

The invention discloses an overpressure protection system for a reactor cabin. The system comprises a pressure relief pipe, a multi-stage pressure relief assembly, a pressure suppression assembly anda sewage tank; the inlet end of the pressure relief pipe communicates with the interior of the reactor cabin; the multi-stage pressure relief assembly is arranged in the pressure relief pipe or on a bypass branch pipe of the pressure relief pipe; the pressure suppression assembly communicates with the pressure relief pipe; an inlet of the sewage tank communicates with the bottom of the reactor cabin through a safety drainage pipeline; an outlet of the sewage tank communicates with a radioactive wastewater treatment system; the pressure relief assembly comprises pressure relief valves and first-stage rupture discs, wherein the pressure relief valves are arranged on the bypass branch pipe, the first-stage rupture discs are arranged in the pressure relief pipe, and connection points of the bypass branch pipe and the pressure relief pipe are positioned at two ends of the first-stage rupture discs; and the pressure relief assembly further comprises second-stage rupture discs, wherein the second-stage rupture discs are arranged in the pressure relief pipe. The overpressure protection system disclosed by the invention has the beneficial effects that the multi-stage pressure relief assembly is used for carrying out grading pressure relief treatment and overpressure protection on a reactor cabin after a coolant leaks.

The invention discloses equipment for carrying a casting mold and a use method of the equipment. The equipment comprises a workbench and a transmission cavity formed in the workbench. A first motor isfixedly arranged in the end wall of the upper side of the transmission cavity, and a fan shaft extending downwards is fixedly arranged on an output shaft of the first motor. The fan shaft is connected with a drying device, and the fan shaft is in transmission connection with a conveying device through a chain wheel mechanism. A transmission bevel gear is fixedly arranged on the fan shaft, and theright end of the transmission bevel gear is connected with a linkage mechanism. The upper end of the linkage mechanism is connected with a safety protection device, and a gear cavity is formed in thelower end wall of the linkage mechanism. According to equipment for carrying the casting mold, the overall structure is more reasonable and ingenious, and use is very convenient; and the work efficiency of the sand mold casting mold is improved, the operation safety can be effectively improved, and high use and popularization value is achieved.

The invention discloses an audio playing device and a mobile terminal. The audio playing device comprises at least two loudspeakers, wherein sound waves sent by each loudspeaker are coherent waves, a phase difference of the sound waves which are sent by any two loudspeakers and arrive at a first target region is an integer multiple of 2pi, and the phase difference of the sound waves arriving at a second target region is an odd number of pi. Therefore, the coherent phase of the sound waves sent by the loudspeakers in the first target region is long, the sounding power of each loudspeaker is superimposed efficiently, the loudness of the sound in the target region is improved, the sound effect of the region is enhanced greatly, consequently, the peak power of single loudspeaker can be reduced, the user experience is improved, and the energy is saved. The coherence of the sound waves sent by the loudspeakers is cancelled in the second target region, so that the sound in the target region is suppressed, directional propagation of the sound is realized, avoiding of accidental leakage of information is benefited, privacy of a user is protected, and meanwhile other persons are also prevented from being disturbed.

The invention discloses a preparation method of a ganciclovir powder injection and a filter press used by the same, and belongs to the technical field of medicine production. The preparation method includes refining crude ganciclovir twice, evenly mixing the refined ganciclovir with a filtered glycerin sodium chloride aqueous solution and finally freeze-drying the mixture to obtain the ganciclovirpowder injection. The filter press comprises a bracket, a thrust plate, a press plate, a filter plate, a filter cloth and a driving component, and the filter cloth and the filter plate are separatedand installed on a frame body made of polypropylene. The upper and lower edges of the frame body are respectively provided with a deep clamping groove and a shallow clamping groove corresponding to anupper guide rod and a lower guide rod, installation and removal can be performed on the upper guide rod and the lower guide rod conveniently, a first sealing assembly is respectively arranged on thefilter plates on two sides of the frame body, and a second sealing assembly is respectively arranged on the opposite sides of the two adjacent filter plates. The ganciclovir powder injection has relatively less impurity content, and can improve the effect of the ganciclovir powder injection. The filter press facilitates collection of a filtrate and a filter cake and cleaning and replacement of thefilter cloth.

The invention discloses a general intelligent data system based on an IoT (internet of things). The system provided by the invention comprises a wireless sensor node, wherein the wireless sensor node is in wireless connection with a base station node, and the base station node is in wireless connection with a master database; the system also comprises a control system, and the control system is connected with the master database through the internet; the control system is connected with a user system through the internet; and the control system is provided with analysis system related modules, so that an effect that the real-time monitoring on articles can be performed without limiting access addresses and used machine types so as to intuitively understand the state information of sensor networks and show relevant analysis results can be achieved; and an effect that related persons with different permissions access the information and state of sensor networks in different levels is guaranteed, therefore, on the basis of acquiring data of the existing sensor network, the value and function of the system is played to the maximum extent.

The invention discloses a power reciprocating overturning type cobblestone cleaning device based on pressurized flushing, and relates to the technical field of cobblestones. The power reciprocating overturning type cobblestone cleaning device based on pressurized flushing comprises a machine body and two supporting plates. The tops of the two supporting plates are fixedly connected to the left side and the right side of the bottom of the machine body correspondingly. The rear side of the inner wall of the machine body is fixedly connected with the back face of a guiding sliding rod. The left end and the right end of the guiding sliding rod are fixedly connected with the left side and the right side of the inner wall of the machine body correspondingly. An exhaust port is formed in the front face of the guiding sliding rod and communicates with an inner cavity of the guiding sliding rod. According to the power reciprocating overturning type cobblestone cleaning device based on pressurized flushing, an overturning mechanism is arranged in the machine body, and accordingly, cobblestone piles in the machine body can be effectively overturned; and meanwhile, through the reciprocating motion of a pressurized flushing mechanism, sufficient and careful flushing is conducted on the cobblestone piles, and the problems that due to manual cobblestone cleaning, a large amount of time and alarge amount of manpower are consumed are solved.

The invention discloses a large-dip-angle wavy blocking edge industrial transport machine capable of achieving convenient loading and unloading. Supporting columns are fixedly mounted on the outer surfaces of the front end and the bottom end of a fixing frame, a conveying belt is arranged on the outer surface of the inner side of the fixing frame, a motor is arranged on the outer surface of the bottom end of the conveying belt, a first connecting shaft and a first auxiliary shaft are arranged on the outer surface, close to one end, of the front end of the fixing frame, the first connecting shaft is located on one side of the first auxiliary shaft, a second connecting shaft and a second auxiliary shaft are arranged on the outer surface, close to the other end, of the front end of the fixingframe, the second connecting shaft is located on one side of the second auxiliary shaft, a transverse partition plate is arranged on the outer surface of the upper end of the conveying belt, and blocking edge plates are arranged on the outer surface, close to the two sides, of the upper end of the conveying belt. According to the large-dip-angle wavy blocking edge industrial transport machine capable of achieving convenient loading and unloading, the service life of the blocking edge plates can be prolonged, meanwhile, loading and unloading are facilitated, and better using prospects are brought.

The invention discloses a foaming cement preparation technology capable of detecting internal cracking, and belongs to the technical field of cement preparation. In the forming process of foaming cement, pre-embedded rods are uniformly inserted to be synchronously formed with cement, on one hand, the pre-embedded rods can remarkably improve the overall strength of the foaming cement, and on the other hand, the pre-embedded rods can improve the foaming uniformity of the cement, the internal cracking phenomenon of the cement is detected after the cement is formed, once the cement is internally cracked, sensing sleeves on the pre-embedded rods can sense the cracking in time and synchronously crack to release the color developing microspheres, and the color developing microspheres actively migrate to the end parts of the pre-embedded rods under the action of magnetic attraction to develop color; and technicians can intuitively perceive and qualitatively judge the internal cracking position and depth, so that targeted treatment can be carried out in time, potential risks are avoided, and the service life of the foaming cement is prolonged.

The invention relates to a cup convenient for brewing. The cup comprises a cup body, a cup base and a handle. The part of the inner wall of the cup body, slightly lower than a cup opening, is provided with a splash-proof retainer surrounding the inner wall of the cup. The splash-proof retainer is provided with a trapezoidal guide channel. Therefore, the cup has the advantages that the splash-proof retainer prevents hot drink in the cup from splashing out under shaking action, the hot drink more easily gathers at the guide channel, and the drink is prevented from flowing out along the outer wall of the cup when served or poured in other containers.

The invention discloses a 4, 4 '-methylenebis (3-chloro-2, 6-diethylaniline) waste storage device and a storage method thereof.The 4, 4'-methylenebis (3-chloro-2, 6-diethylaniline) waste storage device comprises a protection assembly and a storage barrel, the protection assembly is arranged on the outer side of the storage barrel in a sleeving mode, the storage barrel is used for storing waste, the protection assembly comprises a protection sleeve and a sealing cover, the sealing cover tightly covers the top of the protection sleeve, and a sealing assembly communicates with the storage barrel; the method comprises the following steps: a, collecting waste materials; b, the protection assembly is opened; c, conversion of the storage barrels; and d, closing the protection assembly. The material storage barrel is placed in the protective sleeve, the sealing cover is used for sealing the protective sleeve, the sealing cover is communicated with the material storage barrel after being tightly covered, waste is fed into the material storage barrel from the top of the sealing cover and then enters the material storage barrel, the phenomenon that the waste falls into the material storage barrel to be splashed is avoided, and therefore accidental leakage of the waste is avoided; and meanwhile, the protective sleeve plays a role in comprehensively protecting the material storage barrel, so that the safety in waste material collection and transportation is improved.

The invention relates to an aluminium triethyl storage tank and a safety device thereof, belongs to a storage tank of dangerous goods and particularly relates to a storage tank loading dangerous good liquid such as aluminium triethyl and the like and a sealing safety device thereof. The aluminium triethyl storage tank comprises a tank body, wherein a valve mounting part is arranged on an outlet part on the tank body; the valve mounting part is provided with a first valve and a second valve; the first valve is used for controlling the discharge and is communicated with an outlet connecting pipe; the second valve is used for controlling to charge and discharge protective gas; the inner cavity of the tank body forms a liquid-phase cavity part and a gas-phase cavity part; and the safety device for the storage tank is arranged on the valve mounting part. The safety device has the advantages of effectively preventing dangerous goods such as the aluminium triethyl liquid and the like from outflowing, effectively avoiding accidental leakage of the dangerous goods such as the aluminium triethyl liquid and the like because of carelessness such as misoperation and the like and fulfilling the aim of safe storage and transportation.

The invention discloses a leak-proof water drainer. The water drainer comprises a water drainer body. The water drainer body comprises a first chamber, a second chamber, a third chamber and a fourth chamber. All the chambers communicate with one another through communication pipes. A water falling pipe is further arranged on the first chamber. The water falling pipe is led into the first chamber.A leak-proof device is fixedly arranged on a drain outlet of the water drainer body. A water drain pipe is arranged at the drain outlet of the leak-proof device. The water drainer further comprises aleak-proof mechanism. The leak-proof mechanism is fixed in the first chamber. The leak-proof mechanism is fixedly connected with the communication pipe in the first chamber and used for opening and closing the communication pipe. A traditional simple water-seal water drainer is replaced, the breakdown phenomenon of the water drainer due to pressure fluctuations and water hammers in a gaspipe network is avoided, accidental gas leakage is effectively prevented, the effects of water draining when water exists, sealing without water, automatic water supply and automatic air return are truly achieved, and the application safety is ensured.

The invention relates to a magnesium sulfate crystallization device. The magnesium sulfate crystallization device comprises a crystallization furnace, wherein a pair of feeding inlets are arranged onthe crystallization furnace; a discharge outlet is arranged at the bottom part of the crystallization furnace; a motor is fixedly arranged at the top part of the crystallization furnace and connectedwith a stirring rod; a partition plate dividing the space of the interior of the crystallization furnace into an upper layer and a lower layer is arranged in the crystallization furnace; the interiorof the crystallization furnace is divided into a crystallization area and a storage area by the partition plate; an opening is arranged at the middle part of the partition plate; a sealing unit used for sealing the opening is arranged in the storage area; and a discharging unit used for opening and closing the discharge outlet is arranged at the bottom part of the crystallization furnace. According to the invention, the interior of the crystallization furnace is divided into the crystallization area and the storage area through the partition plate; crystallization of a solution placed in the crystallization area is completed; crystals are injected into the storage area to be stored; and discharging can be performed after a plurality of times of crystallization. A sealing block is driven byan electric push rod to seal the opening, so a magnesium sulfate solution is prevented from accidentally leaking into the storage area during crystallization. Through an opening and closing mechanismand a disc, the disc is driven to open and close the discharge outlet for discharging.

The invention discloses a plastic particle recycling system, and belongs to the field of plastic recycling. According to the plastic particle recycling system, during recycling, waste plastic is crushed and then cleaned, cleaned plastic particles with water are put into an inner drying cylinder, the inner drying cylinder rotates, on one hand, when the inner drying cylinder rotates, under the action of centrifugal force, water adhered to the plastic particles is thrown into an outer adhering wrapping shell to be in contact with air overflowing filler, and the air overflowing filler generates air and reversely permeates into the inner drying cylinder, so that the plastic particles are loosened to a certain extent, and the overflow of damp and hot air generated by heating inside the plastic particles is accelerated; and on the other hand, when the inner drying cylinder rotates, water capsules mutually collide with each other and are broken, internal water overflows and diffuses along with rotation, so that the air production speed and the air production rate in the outer adhering wrapping shell are remarkably increased, drying is accelerated, and compared with the prior art, the system has the advantage that recovery efficiency is greatly improved.

The invention discloses polishing equipment for mobile phone screen production, and belongs to the field of screen polishing. The polishing equipment comprises a working platform, supporting columns are fixedly connected to the left side and the right side of the top of the working platform, a mounting plate is fixedly connected between the tops of the supporting columns, and electric push rods are fixedly mounted at the left side and the right side of the top of the mounting plate; a telescopic air cylinder is fixedly mounted at the middle end of the top of the mounting plate, strip-shaped notches are formed at the positions, located between the electric push rods and the telescopic air cylinder, of the top of the mounting plate, the output ends of the electric push rods are fixedly connected with connecting plates, and the bottoms of the connecting plates penetrate through the strip-shaped notches to be fixedly connected with a polishing mechanism; and the output end of the telescopic air cylinder penetrates through the mounting plate to be fixedly connected with a clamping mechanism, and a through hole is formed at the position, corresponding to the clamping mechanism, of the top of the working platform. By arranging the clamping mechanism, the clamping mechanism plays a role in fixing the mobile phone screen, so that the polishing mechanism polishes and grinds the mobile phone screen from the two sides.

The invention provides a seat type stationery assembly; a rectangular pedestal is fixedly provided with a pen container, a writing case and a cup sleeve; the writing case, the pen container and the cup sleeve used for placing the cup use the same pedestal as one body, so various stationery and writing pens can be well sorted and placed in order, and the cup can be stably placed on the pedestal; the seat type stationery assembly is convenient in usage, can improve work and learning efficiency, and can prevent the cup from carelessly spilling.

The invention discloses a transfer type external control deoxidation bag for food fresh keeping, and belongs to the field of food fresh keeping. When the transfer type external control deoxidation bag for food fresh keeping is used, oxygen in a packaging bag sequentially passes through a transfer ventilation cylinder and an air transfer cavity along gaps between outward-extending hard pieces, and enters an inner material containing hard layer and is absorbed by a deoxidation reagent; compared with the prior art, deoxidation reagent particles need to reversely penetrate through a path where oxygen enters and then leak, so that the condition of accidental leakage of the deoxidation bag is effectively avoided under the condition that the gas circulation is not influenced; and furthermore, the deoxidation bag is filled with the deoxidation reagent in an unsaturated manner, so that the deoxidation bag has enough space to move in the inner material containing hard layer, when a food package is transported or taken by a user, the deoxidation reagent can move to a certain degree in the deoxidation bag, so that the absorbing effect of the deoxidation reagent on oxygen in the food package is better, and the deoxidation efficiency is effectively guaranteed.