66results about How to "Full delivery" patented technology

The invention discloses a corn quality distribution rule analysis method, relates to the technical field of corn quality analysis, and aims to solve the problems of inaccurate corn quality data acquisition and unclear corn quality distribution. According to the method, by combining a univariate analysis method and a multivariate analysis method, the internal rule of the abnormal index data can be comprehensively and deeply mined, the abnormal distribution rule decision is made according to the distribution mode of the abnormal index data, and the potential reason of the corn quality index data abnormity can be scientifically deduced; the standard sample collection data, the abnormal index data and the abnormal distribution rule decision result are integrated and displayed on the display terminal, information comprehensiveness is achieved, the standard sample collection data are compared with the standard index data divided in detail, the data deviation of each specific index can be accurately recognized, and the accuracy of the data deviation is improved. Through comprehensive and meticulous preprocessing of the target index data, powerful support is provided for follow-up study of corn quality distribution rules by using a statistical analysis method.

The invention discloses an intelligent arrhythmia classification device based on deep learning. The intelligent arrhythmia classification device comprises a data set construction module, a data preprocessing module, an intelligent arrhythmia classification network construction training module and an analysis module, the data set construction module is used for constructing a heart rhythm sample data set, the data preprocessing module is used for expanding the data set by applying a wavelet denoising method and randomly sampling the heart beat type data set with more data distribution by utilizing an undersampling principle, and the arrhythmia intelligent classification network construction training module is used for constructing an arrhythmia intelligent classification network based on a DenseNet-201 network. And carrying out model training by adopting an Adam optimizer and a learning rate attenuation strategy, and classifying the arrhythmia data set. And the analysis module explains a model classification result by utilizing a plurality of methods such as HiResCAM, LIME and SHAP. According to the method, the electrocardiogram can be rapidly analyzed, and the basis for model type judgment can be visually displayed.

The invention discloses an evaporative crystallization device based on high-concentration wastewater and a zero discharge process, and relates to the technical field of wastewater treatment.The evaporative crystallization device based on the high-concentration wastewater comprises an evaporation tank, and a drainage device is arranged in the evaporation tank; the flow guide device comprises a heat conduction inner barrel fixed in the evaporation tank, an inner ring channel formed in the center of the heat conduction inner barrel, a flow guide pipe fixed in the inner ring channel and a plurality of groups of outer ring channels formed in the heat conduction inner barrel, and the plurality of groups of outer ring channels are sequentially formed from inside to outside by taking the inner ring channel as the center; first water outlets which are arranged up and down are formed between the inner ring channel and the adjacent outer ring channel, and second water outlets are formed between the other outer ring channels. By arranging the drainage device, when entering the evaporation tank, wastewater can sequentially pass through the multiple groups of outer ring channels along the inner ring channel in an S-shaped trend so as to diffuse and flow towards the periphery, so that disorder and stagnation of flow in a traditional system are avoided, and continuous flowability of the wastewater is ensured.

The invention belongs to the technical field of stereoscopic vision, and discloses a stereoscopic matching method based on unsupervised online learning. The method is realized through a stereo matching module based on a multi-level cost body, a non-occlusion region confidence estimation module and a Mann-Kendall trend detection module. Compared with the prior art, the method has a better stereo matching effect. The model provided by the invention has the best result in both the initial stage and the later stage, and due to the good generalization of the model, the model can always keep a relatively accurate prediction result in a sheltered region. The model has a good prediction result in the occlusion area due to high generalization, and the tendency of parameter error update is relieved due to the fact that the self-adaptive adjustment strategy provided by the invention eliminates the influence of error loss of most of the occlusion areas, so that the network can maintain the optimal performance all the time.

The invention discloses a business document automatic pushing method and system based on an intelligent algorithm, and the method comprises the steps: S1, collecting business document data, inputting the business document data into a classification model based on a random forest, and obtaining an initial pushing mode of the business document data; s2, extracting semantic features of the business document data and converting the semantic features into vector representation to obtain semantic feature vectors; s3, constructing an improved graph neural network model based on the semantic feature vector, and obtaining a correction factor based on the graph neural network model; and S4, inputting the correction factor and the initial pushing mode into a Bayesian network to obtain an optimized pushing probability, and when the optimized pushing probability is greater than a pushing threshold value, pushing the business document and optimizing the pushing mode of the business document, thereby reducing the influence of local deviation, integrating multi-source data, and improving the pushing efficiency of the business document. In this way, the problem of inaccurate pushing caused by excessive attention to the local feature data can be avoided.

The utility model relates to the technical field of boilers, in particular to a steam boiler with a superheater, which comprises a boiler body, a corrugated boiler furnace arranged inside the boiler body, a burner mounted at one end of the boiler body, a reversal chamber connected to one end of the corrugated boiler furnace, a threaded smoke tube connected to the upper portion of the reversal chamber, and a steam outlet connected to the lower portion of the boiler body. One end of the threaded smoke pipe is connected with a front smoke box, a superheater and a condenser are installed on the top of the boiler body, and one side of the superheater is connected to the front smoke box through a connecting flue. According to the steam boiler with the superheater, through the arrangement of the corrugated boiler furnace and the threaded smoke pipe, the residence time of smoke in the boiler is prolonged, the heat exchange area of the smoke in the boiler is increased, heat can be more sufficiently transmitted to water, and the heat energy utilization rate is increased. In addition, due to the introduction of the superheater, the temperature and the pressure of the steam are further improved, so that the steam has higher heat energy and power capability, and the requirements of various industrial and living fields on high-quality steam are met.

A method for preparing an isotropic mesh graphene-aluminum composite material relates to a method for preparing a graphene-aluminum composite material. In order to achieve isotropic distribution of graphene in aluminum-based composite materials, and solve the problems of carbon-aluminum interface reaction, low graphene-aluminum bonding strength, and discontinuous graphene layers. The present invention mechanically ball-milled graphene is closely attached to the surface of aluminum metal powder through the strong chemical bonding of the skeleton structure metal, which is conducive to the uniform dispersion of high-content graphene in the preform. The mesh-connected skeleton structure constructed during the sintering process provides a three-dimensional path for the conduction of graphene stress and heat flow, showing macroscopic isotropy; the graphene sheets are bridged by the skeleton structure metal and the infiltrated aluminum metal, which effectively ensures the full conduction of stress between the graphene sheets, relieves material stress concentration, and is conducive to achieving material strain homogenization. The skeleton structure metal effectively improves the interface bonding between the graphene-aluminum metal matrix.

The application relates to the technical field of heat exchangers, and discloses a self-supporting plate-fin energy-saving heat exchanger which comprises an outer frame, a heat exchange cavity is formed in the inner part of the outer frame, and a plurality of pairs of positioning frames are vertically arranged in the heat exchange cavity. The wave-shaped positioning frames generate longitudinal vortexes when fluid flows through the wave crests and wave troughs, the fluid boundary layer on the surface of the heat exchange pipes is destroyed, and the thermal resistance is reduced; adjacent V-shaped heat dissipation fins make the fluid accelerate and collide at the included angle, secondary turbulent flow is formed, the contact area is enlarged from the micro level, and the heat diffusion is accelerated; the double effects of macro vortex flow and micro turbulent flow greatly improve the heat exchange efficiency compared with the conventional structure, the heat transfer can be realized more quickly and more fully under the same working condition; meanwhile, the heat dissipation fins have the angle-adjusting function, the angle of the fins is adjusted, the dynamic switching of energy saving and high efficiency is realized, and the equipment can flexibly adapt to complex working conditions with different flow rates and temperature differences.

The utility model relates to the technical field of electrical equipment, and provides a heater and a water dispenser, the heater comprises a heating pipe and a jet flow assembly, and the heating pipe is provided with a liquid inlet port and a liquid outlet port; the jet flow assembly is arranged in the heating pipe, a water passing gap is formed between the jet flow assembly and the heating pipe, the jet flow assembly is provided with a jet flow cavity, a water inlet and a plurality of jet flow holes, the water inlet and the jet flow holes are communicated with the jet flow cavity, the water inlet faces the liquid inlet port, the jet flow direction of the jet flow holes faces the inner wall of the heating pipe, and the distance between the outer wall face of the jet flow assembly and the inner wall face of the heating pipe is 1-5 mm. Therefore, when the fluid flows in the heating pipe, the jet flow assembly can guide the fluid to flow towards the inner wall of the heating pipe, the fluid can form a liquid layer with the thickness of 1-5 mm between the jet flow assembly and the heating pipe, heat generated by the heating pipe can be fully transmitted to the liquid layer, more heat can be rapidly obtained in the flowing process of the fluid, and the heating efficiency is improved. The flow supply requirement and the heat obtaining efficiency can be considered, and the heat exchange effect is finally improved.

The present application relates to the technical field of unmanned aerial vehicles, and provides a blade folding mechanism and a drone parking device; the blade folding mechanism includes a transmission assembly, a first folding assembly, and a second folding assembly; the first folding assembly includes a first matching structure and a first pushing structure, the first matching structure is connected between the first pushing structure and the transmission assembly, and the first matching structure is configured to drive the first pushing structure to move in response to the movement of the transmission assembly; the second folding assembly is spaced apart from the first folding assembly; the second folding assembly includes a second matching structure and a second pushing structure connected to the second matching structure; the second matching structure can cooperate with the transmission assembly to drive the second pushing structure to move. The blade folding mechanism provided by the present application realizes the folding of blades protruding in the first direction and the second direction through power transmission of a transmission assembly, achieving a dual-purpose effect and reducing costs.

The utility model provides a flow guide device and an air conditioner with the flow guide device, the flow guide device is arranged at an air supply outlet of a fan, and the flow guide device comprises a flow guide plate and a surrounding plate; the coaming is installed on the fan, on the air supply path of the air supply outlet, the first end of the flow guide plate is connected with the fan, the second end of the flow guide plate inclines towards the central axis of the air supply outlet, the second end of the flow guide plate and the coaming define a flow guide air duct, and the flow guide air duct communicates with the air supply outlet. According to the utility model, the guide plate is arranged at the air supply outlet, so that air can uniformly cover each area of the evaporator when passing through the guide air duct, the problem of insufficient air quantity at the bottom of the original evaporator is effectively solved, and the air field distribution on the windward side of the evaporator is more uniform.

The invention relates to the technical field of mortar spraying, in particular to building mortar spraying equipment for constructional engineering, which comprises a supporting mechanism and a mortar barrel, and a stirring mechanism for stirring mortar in the mortar barrel is arranged on one side of the lower end of the supporting mechanism. A driving mechanism used for driving the stirring mechanism to operate is arranged on one side of the upper end of the supporting mechanism, a second transmission mechanism used for transmitting kinetic energy and driving the stirring mechanism to operate is arranged on the other side of the upper end of the supporting mechanism, the first transmission mechanism transmits the kinetic energy to the second transmission mechanism, and after the second transmission mechanism receives the kinetic energy, the second transmission mechanism drives the stirring mechanism to operate. The stirring mechanism is located below the mortar barrel, specially designed stirring blades of the stirring mechanism start to rotate, mortar in the mortar barrel is fully stirred, the uniformity and high quality of the mortar are guaranteed, and in the stirring process, a user can control starting and stopping of the driving mechanism at any time through the air inlet mechanism; therefore, the stirring duration and the mortar spraying speed are adjusted.

The application discloses a kind of solid waste material compression molding equipment before test, it is related to solid waste compression technology field, including main body, the front of main body is sequentially provided with upper die punch, female die and lower die punch from top to bottom, the upper die punch and lower die punch can be slidably matched in the cavity of female die, feeding unit is arranged between the main body and the upper die punch, and the discharge end of the feeding unit is arranged in the upper die punch.The application makes the female die in the compression process in floating state, when the upper die punch is pressed down, the friction between the powder and the inner wall of female die can drive the female die to descend synchronously, the floating effect makes the lower die punch relatively enter the female die cavity deeper position and generate reverse pressure, significantly improve the density uniformity of briquetting in vertical direction.

The invention discloses a method for cultivating high-starch potatoes through grafting, and relates to the technical field of potato cultivation. The method comprises the following specific steps: (1) cultivating a high-starch potato stock and a common potato scion; (2) grafting the rootstock and the scion; (3) grafted plant treatment; (4) domestication treatment: carrying out stress treatment on the grafted seedlings for 10-15 days, then transferring the grafted seedlings outdoors for culture, and harvesting tubers; and (5) screening of high-starch germplasm: selecting tubers with high starch content for planting, repeatedly domesticating for 2-3 generations, and harvesting tubers to obtain the high-starch potato germplasm. According to the method, the high-starch potato seedlings and the common potato seedlings are grafted, aeroponic culture management is performed after grafting, domestication treatment is performed, the starch content of the grafted potatoes can be increased, and after multi-generation domestication, the high-starch potato germplasm is obtained through breeding. According to the method, the variety breeding process is shortened, and the problem that the high-starch potato germplasm is not created by adopting a grafting method at present is solved.

The invention relates to the technical field of industrial heating furnaces, and discloses a skid-mounted electric conduction oil boiler which comprises a bottom frame, a first shell is fixedly connected to the top of the bottom frame, a support is fixedly connected to the inner wall of the first shell, and a heating assembly is fixedly connected to the inner wall of the support. The circulation sectional area of an oil way is reduced, heat conduction oil flows through the annular channel closer to the heating pipe in a concentrated mode, and therefore the average heat transfer distance from the surface of the heating pipe to most oil liquid is shortened, and the problems that in traditional large-space heating, due to the fact that the distance between the oil liquid and a heat source is too long, heat resistance is increased, and heating efficiency is low are effectively solved. And meanwhile, the two internal threaded rings are utilized to guide oil liquid to spirally advance, so that a laminar flow boundary layer which is not beneficial to heat transfer is destroyed, an effective path of the oil liquid in a high-temperature heating area is prolonged, the retention time of the oil liquid in the high-temperature heating area is prolonged, and the overall heat efficiency of the heating device is improved.

The utility model discloses a kind of waste heat recovery and utilization equipment for cogeneration, and its technical scheme main points are including first pipe group;Second pipe group;Heat exchange pipe group, the heat exchange pipe group includes heat exchange gas pipe and heat exchange liquid pipe, heat exchange liquid pipe is sleeved in heat exchange gas pipe outside, the both ends of heat exchange liquid pipe are respectively fixedly connected on first liquid pipe and second liquid pipe, the both ends of heat exchange gas pipe are respectively fixedly connected on first air pipe and second air pipe;Shaft, shaft is arranged in heat exchange gas pipe and with heat exchange gas pipe coaxial, the both ends of shaft are respectively rotationally connected on first end plate and second end plate;And disturbance component;Through the setting of disturbance component, high-temperature flue gas in heat exchange gas pipe can be pushed to flow between heat exchange gas pipe axis and side wall, so that the smoke of everywhere can be fully transferred to liquid heat.

The utility model relates to the technical field of steam devices, and discloses an efficient energy-saving steam device which comprises a heat preservation shell, a steam outlet pipe arranged at the top of the heat preservation shell, a heating assembly installed in the heat preservation shell and a control module connected with the heating assembly. The heating assembly comprises a heating device, a heat conduction copper sleeve wrapping the heating device, and a spiral copper sheet surrounding the heat conduction copper sleeve. And the heat conduction copper sleeve and the spiral copper sheet can obviously improve the heat exchange efficiency, so that the heat transfer is more sufficient, and the heat energy utilization rate is greatly improved. The design of the heating assembly effectively reduces the thermal resistance of the surface of the heating element, and further improves the heat transfer efficiency, thereby reducing the energy consumption. By optimizing the heating mode and the heat exchange structure, the energy consumption can be obviously reduced while the required temperature is reached, the operation cost is reduced, and the burden on the environment is relieved.

The invention discloses a novel collecting pipe supporting frame, and relates to the technical field of transformer collecting pipe supporting frames, the novel collecting pipe supporting frame comprises a supporting mechanism, the upper portion of the supporting mechanism is fixedly connected with an adjusting mechanism, the surface of the adjusting mechanism is fixedly connected with two fixing mechanisms, and the fixing mechanisms are used for fixing a collecting pipe; and the supporting mechanism is used for supporting the collecting pipe fixed by the fixing mechanism. According to the collecting pipe fixing device, the matched fixing bottom plate and the fixing top plate are selected according to the pipe diameter of a collecting pipe needing to be fixed, the inserting plate is connected with the second mounting frame in an inserted mode, then the first fixing bolts are fixed to the second mounting frame and the inserting plate, then the fixing bottom plate is fixed, and the collecting pipe is placed in the fixing bottom plate; and then the fixing top plate and the fixing bottom plate are fixed through the second fixing bolts, so that collecting pipes with different pipe diameters can be quickly and stably fixed, the collecting pipes are prevented from shaking, the mounting efficiency is improved, and the mounting cost is reduced.

The utility model discloses an integrated molecular sieve adsorber with a heating function, which comprises an adsorber body, tubular fixing seats are arranged in the adsorber body, steam heat-conducting pipe groups are arranged between the tubular fixing seats, fixing clamping seats are arranged between the steam heat-conducting pipe groups, the steam heat-conducting pipe groups adopt spiral pipes, and the spiral pipes are communicated with the tubular fixing seats. The efficient heating and regeneration mechanism and the optimized gas flowing path are adopted, the high efficiency and stability of equipment operation are achieved, the overall performance of the molecular sieve adsorption process is improved, the steam heat conduction pipe set adopts the spiral pipe design, the contact area of the steam heat conduction pipe set and a molecular sieve is increased, the heat conduction efficiency of the molecular sieve is improved, and the heat conduction efficiency of the molecular sieve is improved. Therefore, the heat can be more uniformly and fully transferred, and the regeneration efficiency is effectively improved. The spiral pipe structure prolongs the retention time of steam in the pipe, enhances heat exchange, ensures that the molecular sieve quickly and uniformly reaches the required regeneration temperature, and is beneficial to maintaining the good adsorption performance and prolonging the service life of the molecular sieve.

The utility model relates to a boiler technical field, concretely is a horizontal hot -blast type organic heat carrier boiler, including the shell, one end of shell is installed with the burner, the inside of the shell is provided with the pipe body, the combustion head of burner is located in the inside of one end of pipe body, the both ends outside of shell are installed with the water inlet and outlet pipe seat respectively, the both ends of pipe body are connected with water inlet and outlet pipe seat, the pipe body includes three layers heat exchange coil pipe of inner layer, middle layer, outer layer, the inside of inner layer is first return, it is second return between middle layer and inner layer, it is third return between middle layer and outer layer, the flue gas passes through first return and turns back to pass through second return, again turns back to pass through third return, finally discharges. In the horizontal hot -blast type organic heat carrier boiler, adopt three layers heat exchange coil pipe's three return structure design, the inside of inner layer is first return, it is second return between middle layer and inner layer, it is third return between middle layer and outer layer, the flue gas discharges after passing through three return in proper order.

The present invention discloses a purification device for lithium hexafluorophosphate, including a purification tower, a material bulk tray is arranged on the upper part; a multifunctional feeding mechanism, including a feed pipe, the bottom side of which is connected to a guide tray arranged at intervals with the material bulk tray; a material kinetic energy lifting mechanism, including a plurality of ultrasonic transducers evenly arranged on the guide tray; a hot nitrogen gas intake mechanism, including a hot nitrogen gas conduit fixed to the middle part of the purification tower, a plurality of hot nitrogen gas intake pipes are arranged in the middle part of the hot nitrogen gas conduit, and a plurality of hot nitrogen gas injection pipes are arranged in an arc shape on the bottom surface; a collecting hopper is arranged at the bottom of the purification tower, and a plurality of isolation plates are fixed to the outer wall of the collecting hopper, and hot nitrogen gas permeable holes are evenly arranged on the collecting hopper corresponding to the isolation plates. The present invention can effectively enable lithium hexafluorophosphate to be more fully in contact with the circulating hot nitrogen, thereby significantly improving the purification effect of lithium hexafluorophosphate products.

The invention discloses a flat electrolysis device and a scrubber. The electrolysis device is used for the floor scrubber and installed on one side wall of a cleaning head shell corresponding to the end of a water tank, the electrolysis device comprises a shell and an electrolysis module, and the interior of the shell is hollow to form a containing cavity; the electrolysis module is arranged in the accommodating cavity; a containing cavity is formed in the shell, a water inlet communicated with the containing cavity is formed in the shell, the water inlet is communicated with the water tank, a water outlet communicated with the containing cavity is formed in the shell, the water outlet is communicated to the surface of a cleaning roller installed on the shell of the cleaning head through a pipeline, and at least partial area of the electrolysis module is lower than the water inlet. The electrolysis device can be integrated at the end of the cleaning device and further mounted at the cleaning head of the floor scrubber, so that the size of the volume occupied by the electrolysis module in the floor scrubber can be reduced, and the overall weight of the floor scrubber is reduced to facilitate use.

This utility model belongs to the technical field of instant water heater structure, specifically an instant water heater structure with a heat exchange start-up device. It includes a rear shell, with a mounting bracket fixedly connected to the inner wall of the rear shell. A heat insulation cover is fixedly connected to the mounting bracket by bolts. A sleeve is installed inside the heat insulation cover, with a heating base fixedly connected to the top of the sleeve and a heating rod fixedly connected to the bottom of the heating base. A groove is formed inside the outer wall of the sleeve, with a connecting hole inside the groove. A bimetallic strip is fixedly connected to the top of the inner wall of the groove, and a slider is fixedly connected to the bottom of the bimetallic strip. A flow guide port is formed inside the slider. A preheating plate is installed inside the rear shell, with a preheating pipe inside the preheating plate. A support block is fixedly connected to the outer wall of the preheating plate. A heat-conducting pipe is fixedly connected to the outer wall of the sleeve, and a water inlet pipe is installed inside the preheating plate. This utility model, through the action of the bimetallic strip, heat-conducting pipe, and preheating pipe, improves heat exchange efficiency, reduces energy consumption, and minimizes heat loss, making hot water supply more efficient.

The invention relates to the technical field of electronic equipment, in particular to a semiconductor field effect transistor heat dissipation structure and method.The semiconductor field effect transistor heat dissipation structure comprises a semiconductor field effect transistor body, a heat dissipation assembly is arranged in the semiconductor field effect transistor body, and the heat dissipation assembly is used for absorbing heat in the semiconductor field effect transistor body; the heat dissipation assembly comprises a heat absorption pipe, cooling liquid is arranged in the heat absorption pipe, the heat absorption pipe is S-shaped, the two ends of the heat absorption pipe penetrate out of the semiconductor field effect tube body, a plurality of heat absorption pieces are fixedly connected to the middle of the heat absorption pipe at equal intervals, and a speed reduction module is arranged in the heat absorption pipe. The speed reduction module is used for reducing the flowing speed of cooling liquid in the heat absorption pipe, and a turbulent flow assembly is arranged on the inner top face of the semiconductor field effect tube body. Compared with the prior art, the semiconductor field effect transistor solves the problem that internal electronic components are easy to damage due to poor heat dissipation effect of the semiconductor field effect transistor in the prior art.

The invention provides an automatic engineering cost extraction and analysis method based on a large model, and belongs to the technical field of engineering cost data analysis. The method comprises the following steps: firstly, obtaining a to-be-analyzed engineering project text, inputting the engineering project text into a constructed and trained engineering cost analysis large model, and inputting a specific cost problem; the large engineering cost analysis model processes and analyzes an engineering project text to obtain each item of cost information of a corresponding project, and then performs corresponding reply generation on a specifically input cost problem to realize automatic extraction and analysis of the engineering cost; the large project cost analysis model comprises a word embedding layer, a multi-layer encoder module, a multi-layer decoder module and an output layer; corresponding layers of the multi-layer encoder module and the multi-layer decoder module form a U-Net architecture through jump connection; the method can automatically adapt to different data formats and complex scenes, manual design of rules and templates is not needed, and accurate analysis can be carried out when the specific cost problem is solved.

An electrolytic device and a scrubber, the electrolytic device is flat, comprising a shell and an electrolytic module; the shell is hollow inside to form a cavity, the shell is provided with a water inlet and a water outlet communicating with the cavity, the water inlet communicates with a water tank, the water outlet communicates with the surface of a cleaning roller through a pipeline, the water inlet and the water outlet are each a pipeline interface communicating with the shell; the pipeline interface of the water inlet and the pipeline interface of the water outlet are not on the same plane and are perpendicular to each other; the electrolytic module is arranged in the cavity; the pipeline interface of the water inlet communicates with the water tank through the shortest connection pipeline path, the pipeline interface of the water outlet is arranged on the peripheral wall of the shell, the pipeline interface of the water outlet extends from the peripheral wall of the electrolytic device shell to the cleaning roller along the shell side of the cleaning head parallel to the end face of the end of the water tank, and communicates with the surface of the cleaning roller through the shortest connection pipeline path, and the electrolytic device and the matched connection pipeline occupy a small volume. The scrubber comprises a water tank, a cleaning head and the electrolytic device arranged at the end of the water tank.

The present invention discloses a liquid-material mixing device and a preparation method of a substrate for distillation based thereon, wherein the liquid-material mixing device comprises: a mixing tank, a cover is fixedly installed on the upper part; a stirring mechanism, comprising a stirring tube rotatably installed on the lower side of the cover, and a corresponding stirring blade is fixedly installed on the stirring tube; a material circulation mechanism, comprising an arc-shaped feed plate fixedly connected to the upper side of the stirring tube at intervals, and an arc-shaped discharge pipe connected to the bottom of the stirring tube at intervals; a vibration dispersion mechanism, comprising a connecting tube fixedly connected to the middle part of the cover, the bottom of the connecting tube is connected downwardly with a corresponding ultrasonic transducer through a bellows, and an airbag arranged in a ring shape is fixedly installed on the upper part of the ultrasonic transducer, and the outer diameter of the airbag is smaller than the inner diameter of the stirring tube. The present invention can effectively and fully form sufficient stirring and mixing and ultrasonic dispersion of the material, thereby effectively improving the wear resistance and roughness of the coating after being applied to the substrate.

The utility model relates to the technical field of food drying, and discloses an energy-saving drying device for food processing, which comprises a cabinet body, an exhaust fan, a dehumidification chamber, a heat pump, a heat preservation chamber, a drying agent and a controller, the heat preservation chamber is arranged in the cabinet body and is fixedly connected with the cabinet body; the heat pump is arranged on the lower portion in the cabinet body, located below the heat preservation chamber and fixedly connected with the cabinet body. The air exhaust fan is arranged on the side of the heat preservation chamber and fixedly connected with the heat preservation chamber. The dehumidification chamber is arranged in the cabinet body and is fixedly connected with the heat preservation chamber; the core of the device is that hot airflow provided by a heat pump is used for drying food, and meanwhile, heat energy reutilization and effective moisture removal are maximized through S-shaped arrangement of an optimized air flowing path wind shield. By arranging the dehumidification chamber and the drying agent, heat loss can be reduced, so that energy consumption can be reduced, the energy cost can be reduced, meanwhile, the influence on the environment can be reduced, and the efficiency and quality of the drying process are ensured.

The application provides a MEMS hydrophone and method, and relates to the technical field of MEMS hydrophones.The MEMS hydrophone comprises a base, a sound-permeable shell and an acoustic sensing assembly.The sound-permeable shell and the base form a first cavity filled with hydraulic oil;the acoustic sensing assembly is located in the first cavity and comprises a shielding cover, a printed circuit board, a flexible membrane, a transition carrier plate and a MEMS chip.The shielding cover, the printed circuit board and the flexible membrane surround to form a second cavity, and the shielding cover is provided with a communication hole communicating the first cavity and the second cavity.The MEMS chip, the transition carrier plate and the flexible membrane surround to form a third cavity filled with gas.The application realizes front hydraulic pressure transmission through the hydraulic oil in the first cavity, realizes back gas pressure compensation through compression of the third cavity by the flexible membrane, forms a cooperative pressure balance mechanism, significantly reduces the net pressure difference and the prestress borne by the MEMS chip, effectively inhibits the problems of sensitivity attenuation, linearity deterioration and frequency response drift under a deep-water high hydrostatic pressure environment, and simultaneously improves the structural safety and long-term reliability.

The application is suitable for the technical field of mechanical assembly, and provides a spinning machine groove cylinder shaft liquid nitrogen cold assembly device.The device comprises a cooling system and an assembly system.The cooling system is composed of a liquid nitrogen storage bottle, an evaporator, a cooling rack and a cooling cylinder.The assembly system is an assembly mechanical arm, and further comprises a driving control mechanism, a flow adjusting mechanism and a supporting mechanism.The flow adjusting mechanism is composed of a fixing base, a reciprocating assembly, a mounting shaft and an S-shaped spoiler.The supporting mechanism cooperates with the driving control mechanism to complete automatic feeding and discharging of the spinning machine groove cylinder shaft, which not only facilitates rapid cooling of the spinning machine groove cylinder shaft by low-temperature nitrogen, but also facilitates clamping and interference assembly of the spinning machine groove cylinder shaft by the assembly mechanical arm.The flow adjusting mechanism cooperates with the driving control mechanism to complete disturbance of the low-temperature nitrogen, and forms a circulation mode of airflow acceleration and airflow supply in the cooling cylinder, so that the low-temperature nitrogen can fully contact with the spinning machine groove cylinder shaft, eliminates airflow dead angles, reduces the cooling and cold assembly time of the spinning machine groove cylinder shaft, and meets the demand of the device for batch cold assembly of the spinning machine groove cylinder shaft.