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The invention discloses an electro-catalysis method of Pickering emulsion for nitro compound hydrogenation, and relates to the technical field of catalytic hydrogenation, the Pickering emulsion is composed of an oil phase, a water phase and a platinum-loaded hydrophilic carbon nanotube catalyst; wherein based on the weight of the carbon nanotubes in the catalyst, the platinum accounts for 5.0 wt%-10.0 wt%; in the emulsion system, the particle concentration of the platinum-loaded hydrophilic carbon nanotube catalyst is 0.05 wt%-10 wt%; in the emulsion system, the hydrophilic carbon nanotubes have certain hydrophilicity and can be well dispersed in a water phase. According to the Pickering emulsion electro-catalysis method for nitro-compound hydrogenation, in a platinum-loaded hydrophilic carbon nanotube catalyst, the hydrogenation reaction of the nitro-compound can be effectively catalyzed when platinum is in a specific proportion range of 5.0 wt%-10.0 wt%.

The invention discloses an esterification reaction device for preparation and protection of malonic acid mono-p-nitrobenzyl ester, and belongs to the field of chemical equipment, the esterification reaction device comprises a fixed cylinder and a reaction kettle, the lower end of the inner surface of the fixed cylinder is fixedly connected with a mounting seat, the outer surface of the upper end of the mounting seat is provided with a sliding groove, and the inner side of the sliding groove is provided with a ball; the upper sides of the outer surfaces of the balls are in rolling contact with the lower end of the reaction kettle, and the outer surface of the reaction kettle is fixedly connected with a heating plate. The stirring assembly is arranged to stir the nitrobenzyl alcohol and the Meldrum's acid in the reaction kettle, so that the mixing uniformity of the organic solvent, the nitrobenzyl alcohol and the Meldrum's acid can be effectively improved, and the preparation and processing quality of the malonic acid mono-p-nitrobenzyl ester can be further improved; and meanwhile, water generated in the esterification reaction can be discharged in a water vapor form, so that the yield of the malonic acid mono-p-nitrobenzyl ester can be improved, and the difficulty of subsequent separation and purification of the malonic acid mono-p-nitrobenzyl ester can be reduced.

The anti-overflow filling device comprises a first supporting frame, a conveying belt is installed on the first supporting frame, a marking ring is arranged on the outer side of the conveying belt in a carved mode, and a power mechanism for conveniently driving the conveying belt to conduct conveying work is arranged on one side of the first supporting frame. A supporting plate is fixedly arranged on the inner side of the first supporting frame, the top end of the supporting plate is tightly attached to the bottom end of the upper belt face of the conveying belt, and a second supporting frame is fixedly arranged at the top end of the first supporting frame. Raw materials are injected into the storage box through the material supplementing pipe, then when negative pressure is formed in the tank body during filling, the raw materials are sucked into the tank body through the injection pipe at the moment, the amount of the raw materials in the storage box is reduced, the movable plate is extruded to move downwards under the action of atmospheric pressure, the pressure in the storage box is balanced, and in the whole raw material filling process, the filling efficiency is improved. The storage box is in a closed state, foreign matters are prevented from entering, and raw materials are prevented from losing moisture.

The utility model discloses a kind of cooling devices for bowl product processing, including processing table, the top of processing table is equipped with collecting groove, the inner wall of collecting groove is fixedly connected with filter plate, the bottom of collecting groove is fixedly connected with water collecting tank, the bottom of water collecting tank is fixedly connected with water pump, the outer wall of water pump is provided with cooling mechanism, the end of water pump away from water collecting tank is fixedly connected with connecting pipeline, the outer wall of connecting pipeline is penetrated and fixedly connected with water jet head, water flow inside water collecting tank is pumped out by water pump, and it is sent to the inside of connecting pipeline, water flow enters the inside of shell by inlet and outlet, water flow is extruded to force plate by its own pressure, force plate is extruded to drive rotating shaft to rotate, rotating shaft rotation drives fan to rotate, heat dissipation is carried out to bowl, and water flow is sprayed from water jet head, cooling is carried out to bowl synchronously, the rapid cooling of bowl is accelerated, and the continuous work is facilitated.

The invention belongs to the technical field of sugar alcohol production, and discloses a sugar alcohol filtering device and a filtering technology.The sugar alcohol filtering device comprises a rack, a plurality of transversely-extending containing cavities are formed in the rack, the multiple containing cavities are evenly arranged at intervals one by one, a filtering cylinder is slidably connected into each containing cavity, a piston column is slidably connected into each filtering cylinder, and the piston columns are arranged in the containing cavities; feeding pipes in one-to-one correspondence with the filter cartridges are fixedly connected to the rack, an electromagnetic valve for controlling raw materials to enter is mounted on each feeding pipe, and a first one-way valve is mounted at one end, far away from the electromagnetic valve, of each feeding pipe and used for preventing the raw materials entering the filter cartridges from flowing back to the feeding pipes; the side, close to the feeding pipe, of the filter cartridge communicates with a liquid outlet shell, the outer side wall, close to the filter cartridge, of the feeding pipe is fixedly sleeved with a filter screen, a discharging pipe used for discharging crystals is arranged on the lower portion of the rack, and when the filter cartridge moves in the direction away from the filter screen, the containing cavity communicates with the discharging pipe. The device has the effect of improving the filtering efficiency.

The present invention belongs to the technical field of sugar alcohol production, and discloses a sugar alcohol filtering device and filtering process, including a frame, a plurality of transversely extending accommodating chambers are provided in the frame, the plurality of accommodating chambers are evenly spaced one by one, a filter cartridge is slidably connected in each accommodating chamber, a piston column is slidably connected in each filter cartridge, a feed pipe corresponding to the filter cartridge is fixedly connected to the frame, a solenoid valve for controlling the entry of raw materials is installed on each feed pipe, a first one-way valve is installed at one end of the feed pipe away from the solenoid valve, the first one-way valve is used to prevent the raw materials entering the filter cartridge from flowing back to the feed pipe, a liquid outlet housing is connected to the side of the filter cartridge close to the feed pipe, a filter screen is fixedly sleeved on the outer wall of the feed pipe close to the filter cartridge, a discharge pipe for discharging crystals is provided at the lower part of the frame, and when the filter cartridge moves in a direction away from the filter screen, the accommodating chamber is connected to the discharge pipe. The present invention has the effect of improving filtering efficiency.

The utility model discloses a detachable moss cultivating and sowing integrated device which comprises a ball body which is formed by splicing and used for planting, a plurality of round holes are evenly formed in the surface of the ball body, moss is planted in each round hole, a water injection mechanism is coaxially arranged on the top of the ball body, and a water outlet is formed in the top of the ball body. According to the device, the moss is planted on the surface of the sphere, water and nutrients are continuously supplied through the internal structure, high-quality cultivation of the moss is guaranteed, and the moss can be conveniently and rapidly cultivated; the device can be used for sowing spores when rolling, is simple in structure, attractive, practical, easy to operate and suitable for moss cultivation and sowing of moss spores in terrains such as side slopes, can achieve good cultivation and sowing effects, and solves the problems that in traditional moss cultivation, the process is tedious, no adaptive cultivation and sowing device exists, and efficiency is low.

The utility model discloses a plant pruning device which comprises a moving trolley, a lifting connecting assembly and a pruning assembly. The trimming assembly comprises a positioning connecting plate, a rotating plate I, a rotating plate II and a rotating plate III which are rotationally connected in sequence; positioning clamping cylinders are fixedly mounted on the lower surfaces of the first rotating plate, the second rotating plate and the third rotating plate, driving motors are fixedly mounted in the positioning clamping cylinders, mounting clamping sleeves are fixedly mounted on output shafts of the driving motors, and a plurality of flexible cutting ropes are fixedly mounted on the outer walls of the mounting clamping sleeves. A connecting sleeve is fixedly installed at the top end of the second rotating plate, and a double-shaft servo motor is installed in an inner cavity of the connecting sleeve. Branches and leaves of vegetation are trimmed through the deformable trimming assembly, adjustment can be carried out according to the actual shape of the vegetation, the trimming effect is made to be closer to the requirement, the requirement for large-area trimming can be met through one-time trimming, and the vegetation trimming work can be continuously carried out conveniently.

The bearing device for the gantry stacker crane comprises a bottom plate, a containing bracket is rotationally connected to the outer wall of the top of the bottom plate, the same driving assembly is installed between the bottom plate and the containing bracket, and the driving assembly comprises a gear ring fixedly arranged at the bottom of the outer wall of the circumference of the containing bracket in a sleeving mode. Two symmetrically-arranged fixing frames are fixedly connected to one side of the outer wall of the top of the bottom plate, the same motor is fixedly installed between the two fixing frames, a gear is coaxially fixed to a rotating shaft of the motor and meshed with a gear ring, and three limiting assemblies are installed at the top of the containing bracket and distributed at equal intervals. By arranging the driving assembly, the full tray can be driven to leave the original position, the situation that the working efficiency is affected in the transferring process is avoided, the original position is replaced with a new tray, stacking work can be continuously carried out conveniently, and therefore the working efficiency is greatly improved.

The invention discloses thermal desorption equipment for organic matter contaminated soil, and belongs to the technical field of soil remediation treatment, and the thermal desorption equipment is technically characterized by comprising an equipment body, the soil temperature can be increased through an arranged pretreatment mechanism, meanwhile, uniform transfer of heat in the thermal desorption process is facilitated, and falling soil can be crushed; by arranging the continuous material turning and thermal desorption mechanism, continuous material turning and thermal desorption treatment on the soil can be correspondingly achieved, the thermal efficiency of the whole thermal desorption process is improved, volatile pollutants can be diffused from the interior of the soil to the exterior of the soil, and the removal effect is improved; the cooling and temperature reduction treatment on output soil is realized through the arranged cooling and discharging mechanism, and the damage of high temperature to binding force among soil particles can be reduced through timely cooling and temperature reduction, so that the recovery and maintenance of a soil structure are facilitated, and favorable conditions are provided for subsequent soil reutilization; the device has the advantages of good pretreatment and thermal desorption effects and convenience in cooling treatment.