14results about How to "Avoid transport" patented technology

The invention belongs to the technical field of dibromohydantoin production, and particularly provides a dibromohydantoin synthesis method which comprises the following steps: S1, preparing a raw material aqueous solution, namely respectively mixing dimethyl hydantoin, sodium bromide and liquid caustic soda NaOH with deionized water to form a dimethyl hydantoin aqueous solution, a sodium bromide aqueous solution and a liquid caustic soda NaOH aqueous solution; s2, premixing the raw material aqueous solution, namely mixing the aqueous solution of dimethyl hydantoin, sodium bromide and caustic soda liquid NaOH prepared in S1 to obtain a premix; s3, electrochemical in-situ bromination reaction: introducing the premix into a micro-channel reactor provided with an electrolysis electrode, and applying current to the premix to obtain a dibromohydantoin initial solution; and S4, crystallizing, separating and drying the product, carrying out cooling crystallization through a three-stage stepped cooling method to obtain a dibromohydantoin crystal, carrying out centrifugal separation to obtain a dibromohydantoin wet product, and then drying to obtain a dibromohydantoin finished product. The method can improve the generation stability and the product quality of the dibromohydantoin.

The application discloses an inhibitor for inhibiting KRAS phase separation to play an anti-tumor role and application, and relates to the fields of tumor molecular biology and targeted therapy.The application aims at solving the problems of limited effect, strong drug resistance and limited application range of KRAS tumor treatment methods, and the inhibitor is a statin.The KRAS protein can form a liquid condensate in cells, and the application discloses the mechanism of the KRAS protein in promoting KRAS protein processing, transportation and downstream signal activation, and further provides a technical scheme for inhibiting tumor growth and enhancing the therapeutic effect of a KRAS inhibitor by inhibiting the formation of KRAS condensates, so as to provide a new target and intervention approach for tumor treatment.

The invention discloses a valve welding-free pressure test device which is composed of a pressure boosting protection structure, a position adjusting structure and a valve sealing structure, the pressure boosting protection structure comprises an I-shaped steel frame and a lifting lug, the lifting lug is connected to the I-shaped steel frame, and a crane is connected with the lifting lug to move the I-shaped steel frame; the position adjusting structure comprises slideways symmetrically arranged on the I-shaped steel frame in the vertical direction and sliding blocks sliding along the slideways, valve sealing structures are arranged on the sliding blocks, the valve sealing structures abut against the two sides of the to-be-tested valve, pressure is applied to the interior of the to-be-tested valve, and the pressure of the valve is tested. According to the welding-free pressure testing device for the valve, hoisting and transportation of the valve are avoided through the design of the pressure boosting protection structure, and the operation difficulty and potential safety hazards caused by the gravity center problem are effectively avoided; meanwhile, the welding-free design also reduces the risks of scald, fire and the like caused by welding operation, and ensures the personal safety of workers.

This invention relates to the field of resource recycling technology, specifically to a method for synthesizing lithium iron phosphate from scrap electrode sheets from battery factories. The method includes the following steps: crushing and pulverizing the scrap lithium battery electrode sheets to prepare electrode powder; mixing the electrode powder, reducing agent, complexing agent, and a first alkaline solution to form a slurry, followed by washing, a first filtration, and collecting the filtrate to prepare a first solution; mixing the first solution, sulfuric acid, and hydrogen peroxide, controlling the pH to 1.5–2, followed by a second filtration to prepare a second solution and a first solid. The method of this invention enables the complete recovery of phosphorus, iron, and lithium components, and features a short process, high production efficiency, and environmental friendliness.

The utility model discloses a gasification furnace bottom slag removal device, which belongs to the technical field of gasification furnaces and comprises a bottom plate, a plurality of first hydraulic cylinders are fixedly mounted on the bottom plate, the top ends of the first hydraulic cylinders are fixedly connected with a material receiving box, and a plurality of self-locking trundles are fixedly mounted on the bottom surface of the bottom plate. A box door is hinged to one end of the material receiving box, and two fixing holes are formed in the end face of the box door. According to the material receiving device, the self-locking trundles are used for driving the material receiving box to move, so that the material receiving box moves to the position below the slag discharging opening of the gasification furnace, the first hydraulic cylinder is used for driving the material receiving box to move upwards, the top face of the material receiving box is attached to the bottom face of the gasification furnace, and therefore waste slag falling from the slag discharging opening of the gasification furnace can be received and collected by the material receiving box; and after slag is discharged, the device can be continuously pushed to move by utilizing the self-locking trundles, so that the waste slag can be transported, and the problem that the waste slag needs to be transported by virtue of other equipment is avoided.

This invention discloses a small-scale medical and domestic waste treatment device specifically designed for epidemic prevention and control. It includes a furnace body with a hoist on one side for conveying materials into the boiler. The boiler's interior is divided into a water storage chamber and a combustion chamber by a partition. The upper end of the water storage chamber is sealed by an end cover with a heat-extraction conductor and a fan compartment. The fan compartment transfers heat from the water storage chamber to the hoist, drying the medical waste inside the hoist and facilitating complete combustion upon entry into the furnace. This achieves comprehensive energy utilization and ensures more thorough combustion of the medical waste.

This utility model relates to the technical field of alloy powder production equipment, and discloses a cooling device for producing copper-clad iron alloy powder. It includes a conveyor belt and a cooling pressure conveyor belt located on a support frame. The cooling pressure conveyor belt is positioned above the conveyor belt and has an internal cooling cylinder. The surface of the cooling pressure conveyor belt is smooth, and a scraping structure is provided on the upper side of the cooling pressure conveyor belt. The scraping structure includes a scraper, which comprises a plate and a silicone body located on the support frame. By providing a scraper structure on one side of the cooling pressure conveyor belt, when alloy powder adheres to the belt, the scraper removes the powder. The scraper structure is located on the upper part of the upward-moving side of the cooling pressure conveyor belt. When the cooling pressure conveyor belt carries the alloy powder upwards, it cannot pass through the scraper structure and is scraped off, falling onto the conveyor belt. This prevents the alloy powder from continuing to move with the conveyor belt and effectively prevents the alloy powder on the conveyor belt from adhering to the cooling pressure conveyor belt.

The utility model discloses a double-eccentric butterfly valve for a hydrogen receiving station, which belongs to the technical field of double-eccentric butterfly valves and comprises a valve seat, a heat insulation layer is mounted in the valve seat, heat insulation materials are coated outside the valve seat, connecting ports are arranged at two ends of the valve seat, a working component is mounted on the side edge of the valve seat, and a constant-temperature component is mounted on the inner wall of the valve seat. According to the constant-temperature assembly, a part can be reserved for storage in the flowing process of liquid hydrogen, the hollow part on one side of the butterfly valve is cooled through the temperature of the liquid hydrogen, it is guaranteed that the temperature of the sealing ring located on the hollow part is basically kept consistent with the temperature of the liquid hydrogen, and therefore in the valve opening process, the temperature of the sealing ring is kept constant. The liquid hydrogen has little influence on the cooling effect of the sealing ring, so that the sealing stability of the sealing ring is maintained, the possibility of hydrogen leakage is reduced, meanwhile, the liquid hydrogen can generate hydrogen in the cooling process of the hollow part of the valve seat, the sealing performance of the valve seat is guaranteed, and the use and sealing of equipment are more stable.

This disclosure presents a method, apparatus, and device for construction material delivery based on dynamic geofencing. One specific implementation of the method includes: acquiring an initial geofencing, a multimodal construction dataset, and device location information corresponding to a target user's smart wearable device; preprocessing the multimodal construction dataset to generate a preprocessed construction dataset; recalculating the geofencing on the preprocessed construction dataset based on a dynamic rule base to generate a recalculated geofencing coordinate set; updating the initial geofencing based on the recalculated geofencing coordinate set to generate an updated geofencing; verifying the target user based on the device location information and the updated geofencing to generate a verification result; and controlling associated transport vehicles to deliver construction materials to the target user based on the verification result. This implementation improves construction progress and avoids the loss of construction materials.

The utility model discloses a mica tube feeding mechanism, which belongs to the technical field of mica tubes, and comprises an outer shell for mica tube feeding, the side edge of the outer shell is fixedly connected with a first fixing plate, the side edge of the first fixing plate is provided with a first telescopic rod, the extension end of the first telescopic rod is fixedly connected with a first moving plate, and the first moving plate is provided with a second telescopic rod. A second telescopic rod is installed on the upper side of the first moving plate, the extension end of the second telescopic rod is fixedly connected with a clamping plate used for intercepting the mica pipe, a fifth telescopic rod is installed in the outer shell, and the extension end of the fifth telescopic rod is fixedly connected with a limiting plate. A first movable plate and a clamping plate are driven to move through a first telescopic rod, the size of the mica pipe is adjusted till only a single mica pipe can be limited, and meanwhile a fifth telescopic rod is started to drive a limiting plate to move so as to limit other mica pipes.

The present application relates to box girder construction technical field, provide a kind of in situ prefabricated small box girder industrial production equipment and production method, including movable bottom die and prefabricated small box girder template, the movable bottom die includes bottom die, distribution beam, bearing beam and drive device, and the bottom die is connected with bearing beam by distribution beam;The distribution beam is evenly distributed on bearing beam;The lower part of the bearing beam is provided with drive device.The beneficial effects of the present application are that: by being provided with longitudinal and transverse moving device and being provided with adjustable height lifting system, the bottom die system is realized freely driving, and can adapt to various different terrain conditions;More conducive to control the construction quality of prefabricated small box girder, avoid the transportation of prefabricated small box girder, fully utilize site resources, reduce or reduce land occupation fee.

A high-efficiency metal can interlayer stacking system comprises a conveying device provided with a can arranging device and a stacking device in a conveying direction, and a tray lifting device and a felt paper laying device are arranged behind the stacking device; the conveying device comprises a conveying belt and a pneumatic conveying mechanism, and the pneumatic conveying mechanism is arranged in front of the can arranging device; the can arranging device can screen metal cans and arrange the metal cans in order so that the metal cans enter a working position of the stacking device in a preset arrangement mode; the stacking device can lift the metal cans and move the metal cans to a tray position and can lay felt paper above the metal cans synchronously; and the felt paper laying device can place felt paper at a position that can be lifted by the stacking device. Through the above device, the metal cans can be stacked in an interlayer arrangement and the felt paper can be arranged in an interlayer arrangement, so that the metal cans are more stable, the above design can move the metal cans in a preset arrangement mode, the metal cans are convenient to pick up and screen, and a specific use method for the system is also disclosed.

The utility model discloses a coal slime water treatment and cyclic utilization system of a kilometer drilling machine, which comprises a coal water screening and collecting all-in-one machine, a coal slime water centrifugal separation device and a precision filter, the coal water screening and collecting all-in-one machine is arranged at the front end of the kilometer drilling machine, and a gas-liquid separator of the kilometer drilling machine is used for separating a gas phase from the coal slime water; separated slime water is introduced into a coal water screening and collecting all-in-one machine to be subjected to rough filtration treatment, and rough separation and temporary storage of solid and liquid are achieved; coal slime treated by the coal water screening and collecting all-in-one machine is pumped to a centrifugal solid-liquid separator of the coal slime water centrifugal separation device for secondary solid-liquid separation, liquid obtained after secondary solid-liquid separation is treated by a precision filter, and treated clear water is introduced into a clear water tank to be reused by a kilometer drilling machine. Backwash wastewater of the precision filter flows back to the coal water screening and collecting all-in-one machine for retreatment. In-situ efficient treatment of slime water and cyclic utilization of clear water can be achieved, the problems of underground water shortage, large drainage pressure and water sump desilting are solved, the production cost is reduced, and the working environment is improved.

The invention discloses an industrial preparation method of iodomethane, which comprises the following steps: by taking iodine, sulfur dioxide and methanol as raw materials and aluminum trichloride as a catalyst, reacting at the reaction temperature of 50-60 DEG C to obtain the iodomethane. The method is a new route for preparing iodomethane, the use of a highly toxic raw material dimethyl sulfate is avoided, and the problems of red phosphorus transportation and phosphorus wastewater treatment are also avoided. The whole reaction route is green, environment-friendly and safe, and is also suitable for large-scale production. The reaction yield is high, and the purity of methyl iodide obtained after the distillate is subjected to post-treatment is high (the GC content is about 99.9%).