9results about How to "Avoid inadequate exposure" patented technology

The utility model discloses a kind of aluminum alloy ship body welding deformation control mechanisms, including multiple webs, web is welded at the welding gap of first ship plate and second ship plate, web is vertically arranged with the surface of first ship plate and second ship plate, the length direction of web is perpendicular to the welding gap of first ship plate and second ship plate, web bottom is provided with the bottom edge of widening to both sides, and welding groove is spaced along bottom edge;Welding groove is distributed at the contact of bottom edge and ship plate, the cross section of welding groove is arc, the bottom end of welding groove and ship plate smooth transition tangent contact;Connecting fixing mechanism is equipped between adjacent webs;By web auxiliary material positioning welding, increase auxiliary material in the relatively sparse area of original structure, by positioning welding mode welding, keep the structure of original strong force component unchanged, auxiliary increase the overall stress of sparse and weak area, welding is more stable and reliable, not easy to weld deformation.

This invention proposes a grinding device and method for diamond abrasive workpieces, belonging to the technical field of grinding devices. It addresses the problem of uneven grinding caused by debris accumulation during the grinding process of diamond abrasive workpieces, a core bottleneck restricting workpiece processing quality. The device includes a worktable with two supports and a mounting port on top. A placement plate with a central hinged support is located at the mounting port, and the placement plate includes a fixing device and a counterweight. Mounting slots are located at both ends of the mounting port, housing retractable support seats. The worktable also includes a vertical frame (slidingly connected to a crossbeam, with a grinding machine at the bottom of the crossbeam, and the vertical frame equipped with a first drive device to raise and lower the crossbeam) and a water tank (connected to water pipes, nozzles, and a water pump). This invention utilizes the coordinated operation of the supports, placement plate, and nozzles. The supports ensure the placement plate is horizontal for easy workpiece fixation. During grinding, the nozzles spray water to reduce debris and ensure uniform grinding. After grinding, the supports retract, and the placement plate tilts to allow debris to automatically slide off, reducing dust and improving efficiency.

This utility model provides a steel pipe phosphate clamping device suitable for different pipe diameters, relating to the field of steel pipe phosphate processing. It includes a mounting frame, with a drive assembly connected to the inner wall of the mounting frame. The drive assembly includes a lead screw that rotates through the top between the two sides inside the mounting frame. A drive motor is fixed to one side of the mounting frame, and a slider is connected to the outer side of the lead screw. A hydraulic cylinder is fixed to the bottom center of the slider, and a connecting plate is fixed to the end of the output shaft of the hydraulic cylinder. Sliding rods are symmetrically fixed to the top of the connecting plate, and a deflection mechanism is connected to the bottom of the connecting plate. A clamping mechanism is connected to the bottom of the deflection mechanism. This application, through the clamping mechanism, clamps the inner wall of the steel pipe, preventing insufficient contact between the outer wall of the steel pipe and the treatment liquid, improving the phosphate effect, preventing quality issues, and facilitating the clamping of steel pipes of different diameters, thus enhancing the applicability of the device.

The application discloses a kind of electrode material of tin phosphide composite tin element and its preparation method and application, belong to battery material technical field.Salt and graphene oxide are mixed, and precursor Sn6O4 (OH) 4 / GO is obtained by reacting with alkaline solution;Sn6O4 (OH) 4 / GO and NaH2PO2·H2O are 1:10 mass ratio, in inert atmosphere, with 5 ℃ / min speed to 500 ℃ calcination 3 h, and Sn / Sn4P3 / RGO is obtained.The application uses Sn6O4 (OH) 4 / GO with low crystallinity, rich hydroxyl and rich defect as reactive precursor, by controlling the amount of phosphorus source, phosphorization temperature and heating rate, tin element and tin phosphide form in situ in the reduction of graphene oxide conductive network Close heterojunction.The composite material can inhibit tin particle migration, agglomeration, improve electron / ion transport kinetics, suitable for lithium ion battery and sodium ion battery.

The invention relates to the field of powder grading, in particular to a powder hollowness grading device and method based on terminal settling velocity difference. The device comprises a feeding unit used for supplying powder; the dispersion conveying unit comprises a conveying channel and two fan blade rotating devices, the conveying channel is obliquely arranged downwards from left to right and used for receiving the powder supplied by the feeding unit and allowing the powder to slide down along the conveying channel, and fan blades of the two fan blade rotating devices are embedded in the conveying channel side by side in the front-back direction; the airflow grading unit comprises an air cavity and an air outlet device, the air cavity is obliquely arranged upwards from left to right, an air outlet is formed in the upper end of the air cavity, an air inlet is formed in the lower end of the air cavity, the air outlet directly faces an outlet in the lower end of the conveying channel, and the air outlet device is used for blowing air to the air inlet of the air cavity; and the collecting unit is used for collecting the powder graded by the airflow grading unit. Accurate grading of the hollowness degree of the powder can be achieved based on the density difference, and the purity of the target solid powder is improved.

The utility model relates to the technical field of microbial fermentation, in particular to a microbial fermentation heat preservation tank for production, which comprises a tank body, a tank cover and an overturning unit, the overturning unit comprises an obtuse angle plate, a rotating shaft, a spiral blade, a shaft bracket, a fixing rod, a pull rod, a pressing plate, a heating assembly and an auxiliary assembly, raw materials are poured into the tank body, then the tank cover is covered, the auxiliary assembly is used for locking, and the tank body is sealed. When the pressing plate is pushed downwards, one end of the pressing plate can rotate on the outer side wall of the tank body, at the moment, the pull rod can abut against the fixing rod to rotate by 180 degrees, then the pressing plate is lifted upwards, the pull rod can drive the shaft frame to complete the rest 180-degree rotation, and in cycles, the rotating shaft is driven to rotate, the spiral blades are driven to turn over raw materials accumulated at the bottom, and the heating assembly is used for heating the tank body. And in this way, it is guaranteed that internal raw materials are evenly heated, insufficient contact between microorganisms and nutritional ingredients in the raw materials is avoided, and the fermentation efficiency and quality are improved.

This invention discloses a phosphorus trichloride production tail gas absorption and treatment device with safety monitoring function, including an absorption tower, a liquid distributor and an inlet pipe disposed on the absorption tower, an outlet pipe at the top of the absorption tower, and a drain pipe at the bottom of the absorption tower. It also includes an adaptive flow stabilizer and a gravity feedback anti-clogging packing assembly disposed within the absorption tower. The liquid distributor is located above the gravity feedback anti-clogging packing assembly, and the adaptive flow stabilizer is located below the gravity feedback anti-clogging packing assembly. This invention relates to the technical field of phosphorus trichloride production tail gas treatment equipment, specifically providing a phosphorus trichloride production tail gas absorption and treatment device with integrated adaptive flow stabilization, real-time monitoring of packing blockage, and gravity feedback anti-clogging, and equipped with safety monitoring function.

The utility model discloses a kind of coated material mixing devices for slow-release type PH adjusting fertilizer, belong to fertilizer production relevant technical field, including the stirring drum for coated material mixing, the top of stirring drum is equipped with powder feeding mechanism, and the top of stirring drum is fixedly installed with liquid storage tank on powder feeding mechanism side, the side of stirring drum is equipped with the pump box for the liquid raw material conveying of liquid storage tank inside, the top of stirring drum is equipped with the discharging groove of powder discharging, and the inside of stirring drum is equipped with guide plate, guide plate is below discharging groove, the discharge end of pump box is equipped with liquid outlet pipe, the end of liquid outlet pipe is through the side of guide plate, and fixedly connected with transverse pipe, the outside of transverse pipe is equipped with several rows of inclined spray head towards the other side of guide plate;Powder and liquid raw material during preparation of coated material can be premixed, reduce the settling time of powder in stirring drum, improve mixing efficiency.

The utility model relates to chemical metallurgical equipment technical field, concretely, relates to pyrite oxygen rich roasting high -efficient mixing device, including roasting furnace main part, and the outside of roasting furnace main part is provided with oxygen rich gas source air inlet cover, and the air outlet end fixed mounting of oxygen rich gas source air inlet cover has the air inlet pipe, and the end of air inlet pipe stretches into to the bottom of roasting furnace main part and fixed mounting has the end pipe, and the end of end pipe is provided with a plurality of concentric annular pipe settings, and the two annular pipes adjacent to each other all are linked through the through pipe, and the bottom of annular pipe is provided with a plurality of air outlet holes, and the top of roasting furnace main part is provided with vertical pipe, and is provided with screening cylinder and crushing cylinder on vertical pipe, and is provided with screen cloth in screening cylinder, and is provided with the crushing roller for crushing the big block material after screening and filtering of screen cloth in crushing cylinder. The utility model can carry out crushing and even gas distribution operation, and promote roasting efficient operation.