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 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 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 provides a glass convenient for making and drinking beverages. The inner wall of a water glass body is slightly lower than a position of the rim of the water glass body, and a splash baffle is arranged around the inner wall of the water glass body. The splash baffle is provided with a trapezoidal drainage trough. The splash baffle and the inner wall of the water glass body are connected in an embedded manner, and the splash baffle is made of plastics. The water glass convenient for making and drinking beverage is simple in structure and convenient for making and drinking the beverages, and a cover and the water glass body are tightly sealed therebetween.

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 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 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.