460results about How to "Efficient delivery" patented technology

The invention discloses polymer-based anti-crack concrete and a preparation method thereof, and relates to the technical field of concrete. When the polymer-based anti-crack concrete is prepared, acrylic acid is grafted on the surfaces of pretreated polypropylene particles to prepare modified polypropylene particles; coating sodium metasilicate with sodium alginate to prepare a self-repairing microcapsule; the preparation method comprises the following steps: hydrolyzing 3-glycidyl ether oxypropyl trimethoxy silane, and grafting the hydrolyzed 3-glycidyl ether oxypropyl trimethoxy silane on the surface of silicon dioxide to prepare modified silicon dioxide; mixing the modified polypropylene particles, basalt fibers and polyacrylonitrile fibers to obtain a solid functional component; cement, slag powder, silica fume, an expanding agent, a solid functional component, modified silicon dioxide, a water reducing agent, an air entraining agent, deionized water, river sand, gravel and the pre-wetted self-repairing microcapsule are mixed, and the polymer-based anti-crack concrete is prepared. The polymer-based anti-crack concrete prepared by the invention has excellent anti-crack, freeze-thaw-resistant and self-repairing properties.

The utility model relates to powder conveying technical field especially is concerned on a kind of catalyst carrier powder conveying equipment;Including the hopper of cone angle ≥70 °, the roughness Ra of the inner wall surface of hopper ≤0.4 μm, pneumatic flow-aiding ring is set in the height ≤1 / 3 cone height of hopper lower part and the height from discharge port, and the annular air cavity of pneumatic flow-aiding ring is connected outside gas source;Pneumatic flow-aiding ring circumferentially distributes first nozzle group and second nozzle group, and the jet direction of first nozzle group is inclined upwards along hopper inner wall, for fluidizing powder layer in advance;The jet direction of second nozzle group is inclined downwards along hopper inner wall, for promoting powder slip.

This utility model discloses a dough proofing and feeding device. The feeding machine includes a feeding frame, within which two parallel first chain drive mechanisms are arranged. A plurality of evenly distributed feeding bowls are rotatably arranged between the two first chain drive mechanisms along their transmission direction. A locking structure is provided between adjacent feeding bowls. On the lower straight section of the chain of the first chain drive mechanism, the feeding bowls can maintain their position from rotation through the locking structure. The feeding frame is provided with a discharge support structure that enables the entire set of feeding bowls to flip as it moves on the upper straight section of the chain. A second motor drives the first chain drive mechanism, causing the feeding bowls to move cyclically, achieving continuous and efficient material conveying and improving feeding efficiency. Utilizing the cooperation of the discharge support guide rail, discharge notch, and rollers, the feeding bowls can be precisely controlled to flip and unload at specific positions, making the unloading process accurate and controllable.

The invention provides an MXene / CNF composite mesoporous fiber material as well as a preparation method and application thereof. The preparation method comprises the following steps: injecting an MXene / CNF spinning solution into an acetic acid coagulating bath, fishing out the MXene / CNF spinning solution, and air-drying the MXene / CNF spinning solution to obtain the MXene / CNF composite mesoporous fiber material, the MXene / CNF spinning solution is a dispersion liquid of nano cellulose and MXene in water. According to the MXene / CNF composite mesoporous fiber material with high conductivity and narrow distribution, the mesoporous structure not only effectively transfers stress, but also contributes to rapid transmission of electrons and ions, has a relatively high application prospect in the fields of electromagnetic shielding, wave absorption, energy storage device electrodes and flexible sensors, and can be widely applied to the fields of electromagnetic shielding, wave absorption, energy storage device electrodes and flexible sensors. And a novel multifunctional platform is expected to be provided for wearable electronic equipment, electronic skin, human body motion monitoring equipment and the like.

The application belongs to the technical field of biological medicine, and particularly relates to a kind of lipid nanoparticles and engineered immune cells. The application first provides an engineered immune cell, the engineered immune cell includes immune cell, lipid nanoparticle and exogenous drug;The exogenous drug is loaded in the lipid nanoparticle;When the immune cell is contacted with the lipid nanoparticle, the immune cell and the lipid nanoparticle endocytosis occur to obtain the engineered immune cell. In another aspect, the application also provides a kind of lipid nanoparticles that can improve the encapsulation efficiency of mRNA and the delivery efficiency of immune cells.

The utility model relates to the technical field of building construction equipment, and discloses material storage equipment which comprises a material storage mechanism, a discharging mechanism, a feeding mechanism and a material distribution mechanism, the material storage mechanism comprises a plurality of arranged material limiting pieces, and a material storage bin is formed in the area between every two adjacent material limiting pieces; the unloading mechanism comprises an unloading bin and a material passing part, the unloading bin and the storage bin are arranged on the same plane, and the material passing part communicates with the unloading bin and is arranged at the lower end of the unloading bin; the feeding mechanism is arranged at the lower end of the discharging mechanism and the upper end of the limiting piece in a penetrating mode. The distributing mechanism is connected to the feeding mechanism in a sliding mode. Through cooperative cooperation of the storage mechanism, the unloading mechanism, the feeding mechanism and the distribution mechanism, efficient conveying and distribution of raw materials from the unloading mechanism to the upper end of the storage bin are achieved, and the problems that the utilization rate of the upper space of a traditional storage bin is low, and the secondary carrying efficiency is low are solved; the device has the advantages of improving the space utilization rate and the unloading efficiency of the storage bin.

The present application relates to the technical field of archery equipment, and particularly relates to a metal mixed carbon fiber arrow shaft, which comprises a middle carbon fiber pipe, a head stainless steel pipe, a tail metal pipe and a solid connecting piece, the head stainless steel pipe is arranged at the front end of the middle carbon fiber pipe, the tail metal pipe is arranged at the rear end of the middle carbon fiber pipe, and the two are connected and fixed through the solid connecting piece arranged in the middle carbon fiber pipe, and the outside is wrapped with carbon cloth and is formed through high-temperature curing. The present application adopts a segmented metal mixed structure, replaces a long-size metal inner core with a short metal accessory matched with a carbon fiber main pipe, and greatly reduces the difficulty of straightness control. The thickened head stainless steel pipe effectively bears the impact force, the solid connecting piece is in surface contact with the inner wall of the carbon pipe to disperse the stress, and the service life of the arrow shaft is significantly prolonged. The present application has reasonable structure, low cost and high efficiency, and is suitable for manufacturing various archery equipment.

The invention relates to the technical field of loudspeakers, in particular to a full-band loudspeaker system with large front and back sound pressure level difference, which comprises a box body, a first mounting plate arranged in the box body, a second mounting plate arranged at an interval with the first mounting plate, a first loudspeaker unit arranged on the first mounting plate and a second loudspeaker unit arranged on the second mounting plate, the plurality of first loudspeaker units are arranged in a rectangular array, the plurality of second loudspeaker units are arranged in a rectangular array, and the plurality of second loudspeaker units are electrically connected with an external processor and an external multi-channel power amplifier. The sound pressure level output facing the residential area is effectively adjusted to be small, the sound pressure level facing the sound listening area is effectively adjusted to be large, the influence of noise disturbing residents is reduced, meanwhile, efficient information transmission is ensured, and use is easy and convenient.

This invention belongs to the field of molten salt energy storage technology, specifically relating to a molten salt cryogenic tank with a liquid level-following annular cavity. The molten salt cryogenic tank includes a tank body and a stirrer. The stirrer includes a motor mounted on the top of the tank body, a drive shaft extending into the tank body, and a flow impeller mounted on the lower end of the drive shaft. An inlet and an outlet are provided on the side wall of the tank body. An annular cavity is provided at the molten salt surface. The annular cavity has a hollow structure, and its overall density is less than that of the molten salt, allowing it to float on the molten salt surface and move up and down with changes in the molten salt level. A central opening in the annular cavity allows the drive shaft and flow impeller to pass through. This invention, through continuous regulation of the molten salt near the liquid surface by the annular cavity, weakens the liquid surface temperature stratification and flow stagnation phenomena, raises the minimum temperature inside the cryogenic tank, reduces the risk of molten salt crystallization in the liquid surface area, and improves the safety and reliability of the cryogenic tank operation.

The invention discloses a dynamic sealing structure used in a high vacuum environment, and relates to the field of dynamic sealing, the dynamic sealing structure comprises a vacuum wall located between an atmosphere side and a vacuum side, and the dynamic sealing structure comprises a power assembly, an execution assembly, a rotating shaft, a vacuum pipe and a sealing assembly; the power assembly is located on the atmosphere side, the execution assembly is located on the vacuum side, the movable end of the power assembly is connected with the rotating shaft, the rotating shaft penetrates through the vacuum wall to be connected with the execution assembly, a vacuum pipe is tightly nested in the vacuum wall and penetrates through the rotating shaft, and the two ends of the vacuum pipe are located on the atmosphere side and the vacuum side respectively. The vacuum pipe provides a vacuum environment as a partition cavity, the sealing assemblies are arranged at the two ends, namely the atmosphere side and the vacuum side, of the vacuum pipe correspondingly to form two relatively independent sealing intervals, two radial dynamic seals are formed for the rotating shaft, and even if the sealing assembly on one side leaks slightly, the sealing assembly on the other side can still keep the sealing performance; and the reliability of the sealing structure is obviously improved.

The utility model relates to the field of semiconductor manufacturing especially relates to a reflow soldering equipment. Including welding furnace, material loading assembly and feeding assembly, material loading assembly is provided with material box, the opening is provided with in the top of material box, and the inside stack holds a plurality of materials, material box is connected with dumping mechanism, dumping mechanism drives material box to overturn and dumps material to feeding assembly, feeding assembly includes tray, a plurality of matrix arrangement's material groove are set up on the tray, and any material groove can accommodate single material, and the tray is provided with vibrating mechanism and feeding mechanism, the material in the material box is dumped to vibrating mechanism, and vibrating mechanism drives material to fall into the tray, the both ends of feeding mechanism correspond to the furnace cavity of tray and welding furnace respectively, and the tray carries material to enter welding furnace under the drive of feeding mechanism.

The application discloses a geothermal energy adjustable power generation system based on carbon dioxide working medium, which comprises a power generation well, a temperature and pressure adjusting device connected through a pipeline, a gas-liquid heat exchange device connected with the temperature and pressure adjusting device at one end and connected with a steam superheating device at the other end, a heat supply device and a turbine arranged on the steam superheating device, a power generation device connected with the turbine, the power generation device connected with the gas-liquid heat exchange device through a pressure adjusting device, a plunger pump connected with a recharging well at one end and connected with the gas-liquid heat exchange device through a refrigeration device at the other end. The system can further heat the carbon dioxide working medium after being converted into steam, thereby improving the temperature and pressure of the steam and the power generation efficiency of the turbine. Moreover, the output of the heat supply device is adjusted, the rotating speed of the turbine and the output power of the power generation device are adjusted, the adjustability of the power generation capacity is realized, and the defect of the vacancy of the technology in China is solved.

The application relates to a heat dissipation technology field of a fuel cell, in particular to a heat dissipation device integrated with anti-vibration and a fuel cell heat dissipation system, which comprises a shell, a fan arranged in the shell and a heat exchanger arranged on the side of the shell, and further comprises two opposite vertical arms arranged in the shell, a plurality of guide vanes corresponding to the gaps between two adjacent fins of the heat exchanger are rotatably arranged between the two vertical arms; the inclined guide vanes can change the flow direction of the airflow, so that the airflow can directly impact the wall surface of the fin, thereby effectively destroying the airflow layer wrapped on the fin due to vibration and not easy to flow, when the vibration intensity increases, the swing amplitude of the guide vanes increases, so that the stripping effect of the airflow on the low-speed airflow layer attached to the wall surface of the fin is more intense, the stripping effect of the airflow layer automatically matches the current vibration condition, the speed regulation mechanism increases the rotating speed of the fan, compensates for the additional wind resistance loss, and ensures that the convective heat exchange efficiency is maintained under different intensity vibration working conditions.

The invention discloses a spherical lens precise edge grinding machine with a self-adaptive floating centering mechanism, and relates to the technical field of intelligent machining equipment.The spherical lens precise edge grinding machine comprises an equipment body, a clamping mechanism and a grinding mechanism, the equipment body comprises an operation table, a rack is fixedly arranged on the upper surface of the operation table, and a fixing shell is fixed to the top of the rack; the front surface of the fixed shell is fixedly connected with a mounting plate; and the grinding mechanism comprises two limiting seats on the surface of the mounting plate. A laser sensor transmitting end and a laser sensor receiving end are arranged, the laser sensor transmitting end and the laser sensor receiving end and the grinding head are located on the same longitudinal plane, the center position of a spherical lens can be accurately detected, accurate centering and clamping of the lens are achieved in cooperation with a pneumatic chuck and a three-clamping-jaw clamping mechanism, the deviation problem in the edge grinding process is effectively avoided, and the production efficiency is improved. The edge grinding precision and consistency of the spherical lens are improved; meanwhile, the three clamping jaws of the pneumatic chuck are provided with the rubber blocks with the arc-shaped clamping grooves, the rubber blocks are attached to the shape of the spherical lens, clamping is more stable, and the surface of the lens is not prone to being scratched.

The utility model relates to the technical field of solvent pigment conveying equipment, and discloses a solvent pigment closed conveying device which comprises a conveying bin, a storage bin is arranged above the conveying bin, the same functional box is fixedly installed on the left side of the storage bin and the left side of the conveying bin, and a motor is fixedly installed on the inner wall of the left side of the functional box; a conveying mechanism is arranged between the motor and the conveying bin; a same discharging pipe is arranged between the storage bin and the conveying bin, an electromagnetic valve is arranged on the discharging pipe, a first partition plate is fixedly installed on the inner wall of the storage bin, a stirring mechanism is arranged in the storage bin, and a dredging mechanism is arranged in the discharging pipe. Compared with the prior art, the solvent pigment impurity removal device has the following advantages and effects that by arranging the conveying mechanism and the impurity removal mechanism, magnetic impurities in the pigment can be adsorbed through the magnet by utilizing magnetism, the impurity removal effect on the solvent pigment can be achieved, the purity and quality of the solvent pigment are improved, and then the purpose of meeting the production requirement of high-end products is achieved.

The invention discloses a drilling blasting explosive energy transfer mode design and a data simulation method thereof, and relates to the technical field of blasting engineering.The drilling blasting explosive energy transfer mode design method comprises the steps that a rock sample is manufactured, mechanical parameters of the rock sample are tested, and the type of the rock is determined; respectively carrying out bursting tests on the multiple groups of rock samples; measuring, contrastively analyzing the average crushing particle size, the boulder rate and the total seismic wave energy of the central areas of the multiple groups of rock samples; establishing an explosive blasting energy transfer evaluation system, and determining an explosive column installation scheme; the data simulation method comprises the following steps: determining a blasting energy attenuation coefficient, an eccentric influence factor and an explosive energy transfer coefficient of a rock sample; establishing a blasting explosive energy transfer model and an explosive explosion energy density calculation formula; verifying and correcting an explosive explosion energy density calculation formula; the blasting effect can be predicted, the on-site trial blasting frequency is reduced, and the cost is reduced.

The utility model discloses a kind of adjustable closing angle door clamps, including automatic closing mechanism, mounting plate and clamping assembly.Automatic closing mechanism is equipped with output shaft, and its output end peripheral surface is equipped with circular arc part and inlay part respectively.The machine base of clamping assembly is equipped with installation gap, and half-round groove is equipped on its two side support seats to accommodate output shaft circular arc part, and adjusting pressure plate is equipped above, the bottom surface of this pressure plate is equipped with inlay groove matched with output shaft inlay part, and is connected with support seat by two side adjusting screws.By respectively tightening or loosening two side adjusting screws, the included angle between adjusting pressure plate and support seat can be changed, output shaft rotates with adjusting pressure plate, so as to accurately control the rotation angle of output shaft, realize the fine adjustment of door leaf closing position.The utility model's adjustable closing angle door clamp effectively solves the closing deviation problem caused by installation error or wear of traditional door clamp, with the advantages of accurate adjustment, simple operation, good stability and the like.

The application discloses an ultrahigh-molecular-weight polyethylene silicon nano wear-resistant composite pipe and a preparation method thereof, and relates to the technical field of ultrahigh-molecular-weight polyethylene composite pipes. The ultrahigh-molecular-weight polyethylene silicon nano wear-resistant composite pipe is prepared from the following raw materials in parts by mass: 70-85 parts of ultrahigh-molecular-weight polyethylene, 5-15 parts of silicon nano particles, 3-6 parts of maleic anhydride grafted polyethylene, 0.1-1.2 parts of a silane coupling agent, 1-3 parts of a wear-resistant reinforcing agent, 0.3-1.5 parts of a lubricant and 0.3-1 part of an antioxidant. The surface of the silicon nano particles is modified by using a specific silane coupling agent, and the silicon nano particles are effectively combined with the ultrahigh-molecular-weight polyethylene matrix, so that the dispersibility of the nano particles in the polymer matrix is solved, and the wear resistance and the mechanical properties of the pipe are remarkably improved.

The utility model discloses a novel multifunctional traction tow hook, which belongs to the technical field of tow hooks, and comprises a mounting buckle, a hook ring and a connecting component, and the mounting buckle is used for connecting a cross rod at the tail of a forklift; the shackle is mounted at the end part of a frame of the flat car; the connecting assembly is used for connecting the mounting buckle and the shackle and comprises two connecting rods and two mounting blocks, and the two connecting rods are kept parallel and are rotationally connected with the two mounting blocks respectively to form a movable parallelogram structure; wherein one mounting block is fixedly connected with a mounting buckle, and the side wall of the other mounting block is provided with a connecting structure used for being connected with a shackle. According to the novel multifunctional traction tow hook, through a parallelogram structure formed by the connecting assemblies, large-range connection height adjustment is achieved, and the height difference between a forklift and a flat car does not become a connection obstacle any more.

The utility model discloses a kind of control systems of low-pressure steam recycling, it is related to low-pressure steam utilization technical field;Purpose is to utilize the surplus steam outside steel plant to carry out heat exchange to the condensate water in plant, and the following technical scheme is proposed: including low-pressure steam heat exchanger, the inlet end of low-pressure steam heat exchanger is connected with condensate water system in plant and low-pressure steam system outside plant respectively, and the outlet end of low-pressure steam heat exchanger is connected with deaerator and drain recovery system respectively;Low-pressure steam heat exchanger condensate water inlet end is equipped with inlet water side electric valve, low-pressure steam heat exchanger condensate water outlet end is equipped with outlet water side electric valve, and bypass electric valve, which is arranged in parallel with low-pressure steam heat exchanger, is also provided on condensate water pipeline;Control regulating valve and low-pressure steam inlet electric shut-off valve are arranged in series on steam pipeline outside plant.The utility model has the advantages of efficient heat exchange, heat recovery, steam quality optimization and utilization, water resource recycling, energy consumption reduction and the like.

The utility model discloses a kind of negative pressure storage tank, it is related to sunflower seed storage technical field, including material box, provide closed storage space;Provide negative pressure extraction force air duct, the air intake end of air duct extends upwards, and air intake opening is arranged in the side wall of air intake end side, the top end of material box side wall is equipped with air outlet, and the opening of air outlet located in material box outside is connected with the butt joint pipe that can be seamlessly butt joint with air intake opening, the bottom wall of material box is equipped with feed inlet, and the opening of feed inlet located in feed tank is connected with guide pipe, the opening of air outlet located in material box is connected with arc filter screen, and arc filter screen is located in the upper end opening of guide pipe upper position;Feed inlet, guide pipe, air outlet and air duct form negative pressure extraction passage.The utility model stores sunflower seed using negative pressure extraction, ensure collection fast and effective, and maximum limit protect sunflower seed shell from mechanical external force and breakage;It can also be according to storage demand, one material box is used to store sunflower seed, another material box stores sunflower disc.

Provided in the embodiments of the present application is a megawatt parallel pipe type charging pile cable, specifically: the cable comprises a sheath assembly, a main power line, cooling pipes and core wires; wherein the cooling pipes are at least 4 in number; the sheath assembly covers the main power line, the cooling pipes and the core wires; the cooling pipes are arranged in close contact with the sheath assembly, and the cable is centrally provided with the core wires; the cooling pipes are distributed at equal intervals; the main power line comprises positive power lines and negative power lines, and the positive power lines and the negative power lines are arranged in one-to-one correspondence and symmetry; the positive power lines and the corresponding negative power lines are arranged in close contact with different cooling pipes, respectively. The present application adopts a multi-core split design for the main power line comprising positive power lines and negative power lines, each independent core wire is closely attached to the outer wall of the cooling pipe, heat conduction is strengthened through direct contact, and heat is efficiently transferred vertically to the cooling liquid.

The invention provides a fan blade crack detection method, which comprises the following steps of: for a fan blade image acquired by an unmanned aerial vehicle, performing deblurring processing on the image through a pre-processing algorithm designed by the invention, and overcoming the problem of motion blurring when the unmanned aerial vehicle acquires the fan blade image; and carrying out crack detection on the acquired image by adopting a crack detection neural network model improved based on YOLOv8. According to the crack detection model, self texture interference of the blade can be avoided, the crack detection precision is improved, crack characteristics of different scales are captured through a Stem module of a multi-branch structure, a CAM module is added into a C2f-1 module, crack attention is integrated, and crack related characteristics are enhanced; a residual connection mode of a residual block is designed in a C2f-2 module to avoid the problem of deep network gradient disappearance, gradient flow and effective transmission of crack characteristics are guaranteed, response of crack-related channels is enhanced through channel re-calibration, and irrelevant channels such as blade textures are inhibited.

The utility model discloses an auxiliary device for communication engineering construction, which relates to the field of communication engineering and comprises a supporting unit, the supporting unit comprises two supporting frames and a supporting column, the two supporting frames are coaxially arranged, and the supporting column is connected between the two supporting frames. The supporting columns are distributed in a circumferential array shape and fixedly installed between the two supporting frames through welding or bolts. The device further comprises a driving unit which is arranged on the outer side of the supporting frame, the driving unit comprises a plurality of mounting blocks distributed in the circumferential direction of the supporting frame, a mounting groove is formed in the top of each mounting block, and a supporting shaft is fixedly mounted in each mounting groove through a bearing. According to the auxiliary device for communication engineering construction, dynamic pressing of the rolling wheels on a transmission line is achieved through cooperation of the protection columns and the arc-shaped limiting grooves, efficient power transmission is ensured through combination of belt driving and bevel gear transmission, and the obstacle crossing capacity of the device is enhanced through cooperative adjustment of the tension springs and the tensioning wheels.

The application discloses a content recommendation method, device and equipment based on co-occurrence matrix optimization. Firstly, the keywords and the word frequency of the keywords in the target text material are used to generate a scoring result vector by using a pre-constructed co-occurrence matrix. In addition, a content transfer matrix is constructed based on the co-occurrence of the content of each pair of target types in each historical text material. A content co-occurrence graph with corresponding content as the vertex and the transfer probability as the edge weight is constructed based on the content involved in the co-occurrence matrix and the content transfer matrix. In the content co-occurrence graph, the semantic weighted score in the scoring result vector is used as the initial weight of the corresponding vertex, and the weight of the vertex in the content co-occurrence graph is iterated by using the content transfer matrix. The content recommendation list of the target text material is generated by combining the weight of each vertex after multiple iterations and the semantic weighted score of each content. The above steps realize effective transmission of important information, improve the accuracy of content recommendation and the utility of recommended content.

The utility model provides a kind of hoisting structure for clearing warehouse machine, comprising: fixed support, connecting frame, support arm, rotating mechanism, cable mechanism and hoisting mechanism, the connecting frame is located at the bottom of fixed support, the support arm is rotatably connected in the bottom of connecting frame, the rotating mechanism is located at the top of fixed support and is connected with connecting frame, the cable mechanism is located on rotating mechanism, the hoisting mechanism is located on cable mechanism. By setting cable one, pulley one, pulley two, lifting hook one, lifting hook two and cable two and other structures, the overall connection of cable is simple, force transmission path is simple and clear, energy loss is smaller when bearing conventional load, load can be more efficiently transmitted to anchorage point, stress can be effectively dispersed, stress concentration can be reduced, and the number of connecting components is small, the installation period is short, the daily maintenance cost and workload are small, effectively improve the service durability and safety of cable structure.

The invention discloses a device and a process for recovering yellow phosphorus in phosphorus sludge based on multistage flash evaporation continuous evaporation. The device comprises a pretreatment system, a drying-pyrolysis-evaporation integrated system and a product recovery and treatment system, phosphorus slurry is pretreated in the pretreatment system in a steam crushing and mixing mode and then enters the drying-pyrolysis-evaporation integrated system for precise temperature control through gradient electromagnetic heating, and the product recovery and treatment system is used for recycling the phosphorus slurry. And finally, the yellow phosphorus enters a product recovery and treatment system, so that the yellow phosphorus and phosphorus-free residues are recovered. According to the device and the process, phosphorus slurry can be uniformly fed in the whole process, phosphorus is evaporated thoroughly, and the yellow phosphorus recovery rate reaches 95% or above; the equipment sealing performance is good, and the risk of ignition caused by spontaneous combustion of yellow phosphorus is effectively avoided; the phosphorus sludge processing capacity reaches 0.5-1.0 ton per hour, continuous and stable operation can be performed for more than 720 hours, and the recycled residues are uniform in granularity and can be used for production of phosphate fertilizers, cement and the like, so that resource recycling is realized.

The utility model provides a kind of vibration platform structure of spherical graphite vibration grinding machine, belong to graphite vibration grinding machine technical field, the vibration platform structure of this spherical graphite vibration grinding machine, it include: vibration platform body, vibration excitation device, elastic support component, grinding vessel, transmission connecting mechanism and damping control device, vibration platform body is rectangular plate, and upper surface central fixed spherical grinding vessel;Excitation motor is fixed in the center of bottom surface, output shaft is coaxial with eccentric wheel component, and main, vice eccentric wheel is divided on the upper and lower ends of rotating shaft;Each elastic support unit is arranged in four corners, including support seat and helical compression spring, support seat bolt is fixed bottom surface, and spring lower end is connected ground surface;Vibration is transmitted to grinding vessel by platform by transmission connecting mechanism;The utility model can solve the technical problems that vibration transmission efficiency is low, grinding uniformity is poor and equipment stability is insufficient in the vibration platform structure of spherical graphite vibration grinding equipment in the prior art.

The application discloses a conveying pipe for titanium dioxide production and relates to the technical field of pipes.The conveying pipe for titanium dioxide production comprises a pipe body, and a rotating switching mechanism for online switching and replacement of pipe function components is arranged on the side wall of the pipe body.The conveying pipe for titanium dioxide production can realize online maintenance and replacement of pipe function components without stopping and depressurizing and emptying, completely eliminates the stopping maintenance defects caused by the traditional fixed installation structure, guarantees the continuous, stable and efficient conveying of titanium dioxide wastewater, and simultaneously, the conical filter screen which can rotate with the fluid in the pipe is arranged at both ends of the mounting hole, the impact of large particle gypsum crystals and metatitanic acid particles can be effectively blocked, dynamic anti-blocking and anti-fouling protection is realized, the pipe function components are prevented from being wrapped, abraded or corroded, the service life of the heating / aeration type function components is remarkably prolonged, and the long-term stable operation of the pipe conveying system is ensured.

The present application relates to the technical field of earth removal equipment, and particularly relates to a pushing and earth pressure cooperative control system for shield crossing building structures, which comprises an auger body, a first conveying pipe, a second conveying pipe, a conveying mechanism, a rotating ring, a connecting mechanism, a positioning frame, a positioning sheet, a protective frame and a linkage mechanism. In the present application, when in use, the connecting joint is connected with the existing solution conveying equipment, so that the existing solution conveying equipment can inject the soil treatment solution into the space between the sealing groove and the sealing frame, and then the soil treatment solution can be injected into the first liquid injection pipe and the second liquid injection pipe through the extension pipe, so that the soil treatment solution can be injected into the first conveying pipe and the second conveying pipe through the first liquid injection pipe and the second liquid injection pipe, and then the soil treatment solution can be efficiently conveyed into the protective frame through the first conveying pipe, and then discharged rapidly through the protective frame, and at the same time, the soil treatment solution can be injected into multiple pipe jacking pipes through the second conveying pipe.