664results about How to "Reduce work stress" patented technology

The invention discloses an image recognition method for electric energy meter recognition. The method comprises the steps that an image with a metering electric energy meter display screen is acquired; preprocessing the image for correcting light reflection distortion of the image; performing text detection, and identifying and positioning a text region of the preprocessed image; character information identification of the concerned text area is carried out; performing layout analysis, and identifying digital information corresponding to different elements in the layout; performing NER detection filtering to obtain entity data in the image; and displaying the entity data. According to the method, the image is preprocessed for image reflection distortion correction, so that the image recognition result is more accurate. According to the method, the Fast R-CNN method is adopted for layout analysis, and different elements such as characters, charts and pictures in the layout can be quickly and accurately positioned and classified.

The invention discloses a digital twinborn-based campus comprehensive service management method and system, and relates to the technical field of campus canteen service management. According to the method, a digital twinborn model is established, and a plurality of catering areas in a canteen are monitored; the utilization rate Rct is calculated by extracting the diner number characteristic, the food supply state and the queuing duration characteristic in the regional real-time state set. Therefore, the system can judge whether the resource allocation of each catering area is reasonable or not in advance. According to the method, a food consumption rate Fcx, a dining table turnover coefficient Pds, a customer average action path length Zyr, a tableware equipment load rate Ssy and a saturation evaluation index Bpzs are calculated by performing preprocessing and standardization processing on a regional real-time state set, and a system automatically calculates an unbalance rate Shs when the saturation evaluation index Bpzs exceeds a saturation threshold value K; whether current personnel scheduling, food supply and equipment use are in a balanced state or not is analyzed, and an optimization instruction is triggered in time, so that resource waste and reduction of service quality are avoided.

The invention discloses a charging pile monitoring system based on artificial intelligence, which relates to the field of charging pile monitoring and comprises a data acquisition module, a user demand analysis module, a charging index analysis module, a temperature monitoring and adjusting module, a charging state monitoring and early warning module, a man-machine interaction platform and a database. A charging demand alternative set, a temperature state value and a charging state value of a charging pile corresponding to a charging pile user are obtained by judging and analyzing a charging pile user behavior characteristic demand parameter and a charging pile user charging association demand parameter and then counting and analyzing a charging pile temperature state parameter and a charging pile charging state parameter; the charging pile can be ensured to operate in a proper temperature range interval, the charging pile can immediately remind a worker in an abnormal working state, the working pressure and heating of internal elements of the charging pile are reduced in a low charging peak period, the stability of a power grid of the charging pile is ensured in a high charging peak period, and the service life of the charging pile is prolonged.

The invention relates to the technical field of construction site safety, and discloses an engineering construction dangerous area intelligent identification method and system based on a generative large model, and the method comprises the steps: obtaining the real-time monitoring data of each area of a construction site and the record of a safety event, and constructing an incidence matrix of the safety event and the monitoring data; for the incidence matrix, obtaining an incidence mode and rule between the security event and the monitoring data, and determining a key monitoring data set influencing the security level; and performing back test verification on the security level and the management and control measures regularly, and performing iterative optimization on setting of the security level by adopting an incremental learning algorithm by comparing and analyzing related data and actual effect data of the management and control measures under the historical security level. According to the invention, intelligentization and automation of construction site safety management are realized, the risk of safety accidents is effectively reduced, and the safety management efficiency and accuracy are improved.

The invention discloses a power distribution network single-phase earth fault section positioning method based on multi-source data fusion, and the method comprises the steps: obtaining a power distribution cloud master station, dispatching remote signaling data, obtaining power distribution terminal grounding, bus grounding, small-current grounding line selection, arc suppression coil and bus voltage information through data cleaning, and carrying out the positioning of a single-phase earth fault section. Any information of a power distribution terminal grounding alarm signal, bus grounding and small current grounding line selection is used as a grounding research and judgment trigger condition; and after any information of a power distribution terminal grounding alarm signal, bus grounding and small current grounding line selection triggers grounding fault section research and judgment, the power distribution cloud master station respectively researches and judges a grounding fault section by adopting three kinds of information of grounding fault alarm information, a zero-sequence current remote measurement value and grounding fault recording. According to the method, the in-station line selection result, the relation between the neutral point grounding mode and the zero-sequence current, the terminal wave recording file and the terminal alarm information are considered at the same time, and the grounding fault section positioning method which is high in reliability, practicability and accuracy is comprehensively obtained.

The invention relates to the technical field of energy-saving coal mills, in particular to an automatic control system of an energy-saving coal mill, which comprises a pulverized coal processing module used for processing raw coal into pulverized coal through the energy-saving coal mill; the detection module comprises a pressure sensor and a temperature sensor; the pressure sensor is arranged in the energy-saving coal mill and is used for detecting the working pressure in the energy-saving coal mill; the temperature sensor is arranged in the energy-saving coal mill and is used for detecting the temperature in the energy-saving coal mill; the communication module is used for transmitting the detected sensor data to the control module; and the control module is respectively connected with the pulverized coal processing module, the detection module and the communication module, and is used for determining the pre-tightening force of the electric valve according to the variance of the response duration of the electric valve or determining the working pressure in the energy-saving coal mill according to the average delay duration of the operation of the energy-saving coal mill. The control stability of the energy-saving coal mill is improved.

The invention provides a hydrogen direct-fired supercritical carbon dioxide energy storage power generation device system and an operation method. The hydrogen direct-fired supercritical carbon dioxide energy storage power generation device system comprises a hydrogen production and storage unit, a carbon dioxide energy storage unit and a hydrogen fuel combustion power generation unit. And the hydrogen production and storage unit and the carbon dioxide energy storage unit are respectively connected with the hydrogen fuel combustion power generation unit. Two energy storage media of liquid carbon dioxide and high-energy-density green hydrogen are used for energy storage, and super-long-time energy storage can be achieved; and heat energy is subjected to cascade coupling application, stored heat and turbine exhaust heat are fully used for a carbon dioxide cyclic heating heat source, the external emission heat loss of the system is reduced, and the system efficiency is high.

The invention provides an online examination cheating behavior detection method and system, and relates to the technical field of examination behavior detection, and the specific steps are as follows: collecting answer texts of examinees in real time, analyzing the answer texts of the examinees by using an NLP technology, and calculating the plagiarism probability of the answer texts by comparing the texts with data in a database; monitoring the network activity of the examinee, analyzing the network behavior mode of the examinee, and calculating the abnormal behavior mode index of the examinee; physiological data of examinees are collected, and psychological stress indexes of the examinees are calculated; calculating a comprehensive evaluation index by using weighted average, comparing the comprehensive evaluation index with an examination cheating threshold value, and judging that the behavior is cheating if the comprehensive evaluation index exceeds the threshold value; according to the invention, the behaviors of examinees are monitored in all directions, and a three-dimensional cheating detection system is provided; the artificial intelligence technology is applied, answer texts, network activities and psychological stress indexes are automatically analyzed, dependence on manual invigilation is reduced, and the monitoring efficiency and accuracy are improved; and cheating behaviors can be found in time.

The utility model discloses a wall-mounted concentrator, which belongs to the technical field of concentrators and comprises a mounting seat and a concentrator body, a rectangular cavity is arranged on the back of the mounting seat, and a clamping component is assembled in the rectangular cavity. The wall-mounted concentrator has the advantages of being convenient to disassemble and assemble, long in service life and capable of reducing the maintenance work intensity, and by means of mutual cooperation of parts in the arranged clamping assembly, workers can rotate the rotating rod clockwise, and the wall-mounted concentrator is convenient to disassemble and assemble, and the maintenance work intensity is reduced. By rotating the rotating rod anticlockwise, one sides of the four clamping plates can move towards one side of the concentrator body and clamp and limit the concentrator body, so that mounting is realized, on the contrary, the concentrator body can be dismounted by rotating the rotating rod anticlockwise, and compared with traditional bolt mounting, the device can enable the concentrator body to be mounted and dismounted more conveniently and quickly, and the mounting efficiency is improved. The maintenance and replacement time is greatly shortened, the maintenance efficiency is improved, and the working pressure of workers is relieved.

The utility model relates to the technical field of medical instruments, in particular to a ventilation device for protective clothing. The utility model provides a ventilation device for protective clothing, which can realize circulation and alternate use of internal and external air, reduce the working pressure of a filter tip and prolong the service life of the filter tip. A ventilation device for protective clothing comprises a bonding plate, a dehumidifier, a switching valve, a filter tip and an internal circulation assembly, the dehumidifier is connected to the bonding plate, the switching valve is connected to the left side of the middle of the dehumidifier, the filter tip is clamped to the front side of the middle of the dehumidifier, an exhaust hole is formed in the rear side of the middle of the dehumidifier, and the internal circulation assembly is connected to the dehumidifier. According to the utility model, switching is carried out by controlling the switching valve, damp air in the protective clothing is dehumidified and cooled through the dehumidifier, and treated dry air is conveyed back into the protective clothing through the internal circulation air pipe and the connector, so that internal and external air can be circularly and alternately used, the working pressure of the filter tip is reduced, and the service life of the filter tip is prolonged.

The invention discloses a vital sign and consciousness condition monitoring system based on active and passive radars, which adopts a low-sidelobe high-gain high-sensitivity double-frequency receiving antenna to receive millimeter wave echo signals and brain wave signals on the basis of monitoring vital signs by the existing millimeter wave radar, namely Ka wave band and brain wave band signals can be received. Meanwhile, an extremely-low-frequency (brain wave band signal frequency band: 0-20MHz) high-sensitivity receiver is additionally arranged in the high-sensitivity receiver module and is used for receiving and conditioning brain wave radiation signals, and then sampling, analyzing and processing are carried out in the signal processing module; the analysis and processing data result is compared with the analysis and processing data result, stored by the data storage module, of the normal person, and when the difference is larger than a threshold value, it is indicated that the vital signs or consciousness conditions of the patient are abnormal, and an early warning signal is sent out. The non-contact monitoring system is based on active and passive radars, vital sign signals and electroencephalogram signals are accurately collected, real-time, continuous and dynamic monitoring of vital signs and consciousness conditions of a patient is achieved, and therefore rapid rehabilitation of the patient under the good rest condition is facilitated.

The invention discloses a patient falling alarm method and system based on visual identification, and relates to the field of identification alarm, and the method comprises the following steps: 1, arranging a video obtaining part, carrying out the transmission through employing a real-time streaming transmission protocol, obtaining the video data of the body side of a patient in a preset range, carrying out the noise reduction of the video data, and obtaining a video collection part; the contrast ratio is enhanced; step 2, dynamically identifying obstacles within a preset range of the body side of the patient in the video data, acquiring positions, shapes and material features of the obstacles, and forming an obstacle data set within the preset range; by capturing and analyzing actions of a patient in real time, dynamic behaviors and surrounding environment information of the patient are comprehensively obtained, and by dynamically monitoring the actions of the patient and surrounding environment obstacles, the risk can be predicted and an alarm can be given out in time before falling, so that the effectiveness of falling early warning is improved by means of active intervention; the occurrence of actual falling of the patient can be reduced.

The invention relates to the technical field of cleaning equipment, and discloses a wild jujube cleaning machine which comprises a treatment box which serves as a basic component of the whole device and is used for assembling and bearing all treatment mechanisms and subordinate structural parts of the treatment mechanisms. The partition seat is fixedly connected to the middle of the inner side of the treatment box and used for dividing the space of the upper and lower parts of the inner side of the treatment box into an arc-shaped cavity, a sorting cavity and a collecting cavity; and the attachment and separation mechanism is used for carrying out separation treatment on soil, dust and other impurities attached to the wild jujubes fed into the equipment. By adding and arranging the gas-liquid mixed washing mechanism, when the wild jujubes treated by the attachment and separation mechanism are washed, the wild jujubes are washed in a gas-liquid mixed mode, water resource consumption in the wild jujube washing process can be effectively reduced, and a large amount of water cost can be saved for enterprises; in addition, by reasonably controlling the switching frequency and pressure of water and air, a good cleaning effect can be achieved under low water pressure.

The invention discloses a focus detection method and device based on deep learning, and relates to the technical field of deep learning, and the method comprises the steps: obtaining a capsule endoscopy image sequence, and carrying out the video frame extraction of the capsule endoscopy image sequence, so as to obtain a gall bladder endoscopy image; constructing a focus detection neural network for detecting the focus of the gallbladder endoscopic image, and performing multi-level feature extraction and multi-level feature fusion on the focus of the gallbladder endoscopic image based on the focus detection neural network to obtain a preliminary detection result; and constructing a deep calculation neural network for deeply extracting focus features and calculating the number of the focus, performing deep fusion feature extraction on the gallbladder endoscopic image according to the preliminary detection result based on the deep calculation neural network, refining repeated judgment of the focus, and generating a final detection result of the focus. And counting and analyzing the lesions according to the final detection result to obtain the number of the lesions and lesion information of each lesion. According to the invention, focus detection speed and accuracy are improved.

The invention relates to the technical field of sewage treatment, and provides a treatment system for reconstituted tobacco wastewater, which comprises a sewage pretreatment unit, a fiber recovery unit and a fiber drying unit, the sewage pretreatment unit comprises a first water collecting tank, a second water collecting tank, a coarse screen and a fine screen; reconstituted tobacco wastewater is introduced into the first water collecting tank; the water inlet of the second water collecting tank is communicated with the water outlet of the first water collecting tank; the fiber recovery unit comprises a third water collecting tank, a recovery plate and a recovery box; the water inlet of the third water collecting tank is communicated with the water outlet of the second water collecting tank; the fiber drying unit comprises a sedimentation tank and a sludge treatment tank; a water inlet of the sedimentation tank is communicated with a water outlet of the third water collecting tank, and a sludge outlet of the sedimentation tank is connected with a sludge inlet of the sludge treatment tank. According to the method, the fibers can be effectively recycled, the chromaticity and COD of the wastewater are reduced, and the reconstituted tobacco wastewater treatment efficiency and effect are improved.

The utility model relates to the technical field of metal material processing, and discloses an aluminum-magnesium series alloy ingot smelting cooling device, which comprises a cooling tank, a heat exchanger, a heat exchanger and a heat exchanger, the smelting tank is arranged at the top of the cooling pool; the first cooling structure comprises a fixed water jacket, and the fixed water jacket is fixedly mounted on the outer wall of the smelting tank; the second cooling structure comprises six groups of stirring blades, and the stirring blades are arranged in the cooling tank; the water pump is fixedly mounted at the top of the cooling pond; the control panel is fixedly installed at the top of the cooling pond, the first cooling structure further comprises a first water conveying pipe and a second water conveying pipe which are fixedly installed at the two ends of the fixed water jacket correspondingly, the purpose of conducting rapid heat dissipation on the device is achieved, the cooling effect of cooling water is improved, the cooling rate of the smelting furnace is increased, and the using convenience of the device is improved; the device can conveniently collect high-temperature alloy liquid, and resource waste is reduced.

The utility model discloses a braided tube processing winding device, and particularly relates to the technical field of winding devices, the braided tube processing winding device comprises a mounting plate, the cross section of the mounting plate is L-shaped, a non-slip mat is arranged at the bottom of the mounting plate, the non-slip mat is made of a rubber material, one side of the mounting plate is provided with a placing ring, and the placing ring is arranged on the other side of the mounting plate. A plurality of through holes are uniformly formed in the outer wall of the placing ring, a motor is arranged in the placing ring, the output end of the motor penetrates through the mounting plate and extends into the mounting plate, and a winding mechanism is arranged on the other side of the mounting plate. According to the winding device, the winding mechanism is arranged, so that the position of the winding drum can be firmly limited through the matching of a plurality of clamping blocks when the winding drum is used, and the phenomenon that the winding drum rotates along with a power source in the using process to cause winding failure can be effectively avoided; therefore, the reliability of the device in use is obviously improved.

The invention relates to the technical field of AI large models, in particular to a large model resume screening system and method for the human industry, and the system consists of a working post analysis module, a candidate resume analysis module, a matching degree analysis module and a personal information module. The working post analysis module is used for deeply analyzing and extracting key requirements of working posts; the candidate resume analysis module is used for comprehensively analyzing the uploaded candidate resumes and extracting key information; the matching degree analysis module is used for carrying out accurate matching degree analysis in combination with working post requirements and candidate information and giving a comprehensive ranking; the personal information module is used for the user to manage personal information and account setting; the large model resume screening system and method for the human industry have the beneficial effects that efficient screening and processing of a large number of resumes are achieved through an automation technology, so that the working pressure of a human resource department is remarkably reduced, and the screening efficiency is greatly improved.

The invention relates to a wearable dynamic and static blood supply monitoring device and method.The device comprises a front-end testing module and a rear-end processing module, the front-end testing module is connected with the rear-end processing module through a front-end and rear-end connecting line, and the front-end testing module covers the skin of a patient; the front-end processing module comprises a pressure layer and a light transmitting and receiving layer, a pressure sensor is arranged on the pressure layer, a light emitting diode and a photoelectric detector are arranged on the light transmitting and receiving layer, the pressure layer is connected with the light transmitting and receiving layer through a front-end internal connecting wire, and packages are arranged on the two surfaces of the pressure layer and the light transmitting and receiving layer. The rear-end processing module comprises a signal collecting, processing and transmitting layer, a signal collecting, processing and transmitting part is arranged on the signal collecting, processing and transmitting layer, and packages are arranged on the two faces of the signal collecting, processing and transmitting layer. Compared with the prior art, non-invasive real-time monitoring of the skin blood supply state is achieved, and the thrombus type can be judged in time.

The utility model belongs to the technical field of refining devices for chemical raw materials, and particularly relates to a 1-butene refining device with coupled dividing wall column and heat pump rectification. The 1-butene refining process device with coupled dividing wall column and heat pump rectification comprises a dividing wall column, a 1 # condenser and a compressor, a partition plate is arranged in the dividing wall column and divides the internal space of the dividing wall column into four parts, namely a public rectifying section, a feeding section, a discharging section and a public stripping section, a liquid collecting tray is arranged at the public rectifying section, and a liquid outlet is formed in the liquid collecting tray. A liquid outlet of the liquid collecting tray is connected with one end of a distribution pipeline outside the dividing wall column, the other end of the distribution pipeline is connected with the feeding section and the discharging section, and a regulating valve is arranged on the distribution pipeline; a tower bottom discharge port of the dividing wall tower is connected with the 1 # heat exchanger, the 1 # heat exchanger is connected with the throttle valve, and the throttle valve is connected with the 1 # condenser. The 1-butene refining device with coupled dividing wall column and heat pump rectification, provided by the utility model, is compact in structure and low in investment.

The utility model discloses a soil turning fertilizer applicator for camellia oleifera planting, which comprises a main body, the top of the main body is fixedly connected with a mechanical box, the top of the mechanical box is fixedly connected with a protective layer, the interior of the mechanical box is fixedly connected with a first driving motor, and the output end of the first driving motor is fixedly connected with a first rotating shaft; the soil turning device is suitable for turning soil; the discharging device is located outside the main body and is suitable for assisting fertilization work; the main body, the mechanical box, the first driving motor, the first electric telescopic rod, the soil turning device, the base, the second driving motor and the stirring shaft provided by the utility model are matched for use, so that the device can assist a worker to perform soil turning work and fertilization work on the tea tree planting ground at the same time, and the device integrates soil turning and fertilization; the whole working efficiency is improved, unnecessary time consumption is avoided, meanwhile, the working pressure of workers can be relieved, and the practicability and multifunctionality of the device are improved.

The embodiment of the utility model provides a water turbine and a hydropower station. The water turbine comprises a water turbine body, an air supply pipe, an air supply system, an electric control valve and a pressure tester. The water turbine body comprises a volute and a draft tube communicated with the volute, and the draft tube is provided with an air supply port; the air supplementing pipe is provided with an air inlet end and an air outlet end, the air outlet end of the air supplementing pipe is connected with the air supplementing opening, and the air inlet end of the air supplementing pipe is communicated with the air supplementing system; the electric control valve and the pressure measuring instrument are both arranged on the air supply pipe, the pressure measuring instrument is arranged on the air supply pipe so as to measure the air pressure in the water turbine body, the electric control valve is used for measuring through the pressure measuring instrument, and the electric control valve is a normally closed electric control valve. The monitoring system is electrically connected with the electric control valve and the pressure measuring instrument. Therefore, the water turbine has the advantages of being good in air supply effect and capable of reducing the working pressure of the water turbine.

The invention provides an intelligent operation and maintenance platform construction method and system based on artificial intelligence, and the method comprises the following steps: analyzing the intention of a user, and obtaining a learning sample and a problem sample; constructing a large language model; and constructing a knowledge base. According to the technical scheme, an intelligent operation and maintenance service platform is constructed, and a positive effect is played in the aspect of improving efficiency; consultation items of daily operation and maintenance personnel are directly solved through the automatic question and answer system, so that the response speed is increased, and the work pressure of an operation and maintenance team is effectively relieved.

The utility model discloses an energy-saving rotary dehumidifier, which belongs to the technical field of dehumidification equipment and comprises at least one evaporation and condensation component and at least one dehumidification rotary wheel. The low-temperature end of the evaporation and condensation assembly is arranged at the air inlet end of the treatment area of the dehumidification rotating wheel; the high-temperature end of the evaporation and condensation assembly is arranged at the air inlet end of the regeneration area of the dehumidification rotating wheel. Compared with traditional surface cooling equipment, the evaporation and condensation assembly can provide lower refrigeration temperature, so that a large amount of moisture can be condensed out before fresh air enters the dehumidification rotating wheel, the working pressure of the dehumidification rotating wheel can be reduced, and the temperature of the treated fresh air can also be reduced; compared with an existing dehumidifier, conditions can be created for subsequent surface cooling equipment omission and low-temperature regeneration work of the dehumidification rotating wheel through heat emitted by the evaporation and condensation assembly, and therefore the effects of saving equipment manufacturing cost, reducing dehumidification cost and saving energy and reducing emission are achieved, and meanwhile the service life of equipment can be indirectly prolonged.

The invention relates to the field of material transportation, in particular to an air floating type ladle-to-ladle conveyor which comprises an air injection transportation table, restraining frames are symmetrically and fixedly installed on the left side and the right side of the upper end of the air injection transportation table, the restraining frames are in a door shape, and a ladle-to-ladle loading device is arranged between the restraining frames on the left side and the right side and the air injection transportation table. Air injection grooves are formed in the upper end of the air injection conveying table and evenly distributed in the front-back direction, floating air injection devices are arranged in the air injection conveying table and correspond to the air injection grooves, and each floating air injection device comprises a main air inlet pipe, branch air inlet pipes and an air injection pipe. A plurality of branch air inlet pipes are arranged between the two main air inlet pipes, the main air inlet pipes are communicated with the branch air inlet pipes, the branch air inlet pipes are in one-to-one correspondence with the air injection grooves, and communicated air injection pipes are arranged on the branch air inlet pipes, so that upward air buoyancy force is generated on bagged materials through high-pressure air, and the materials can be cooled while being conveyed easily.

The invention discloses a PIM neighbor Down fault positioning method and device. The method comprises the steps that S01, network alarm data are loaded, wherein the network alarm data comprise an equipment port Down alarm and a PIMNbrDown alarm; s02, checking whether a physical interface of the equipment enables PIM or not; s03, checking whether the PIM state of the interface is UP or not; and S04, checking whether the PIM configuration on the interface is correct or not. According to the PIM neighbor Down fault positioning method and device, alarm acquisition analysis, protocol state acquisition analysis and configuration acquisition analysis are carried out on the PIM neighbor Down fault network element, the PIM neighbor Down fault reason is positioned, the working pressure of network operation and maintenance personnel is relieved, and the operation and maintenance efficiency is improved.

The invention discloses an efficient fire-fighting equipment inspection robot, an inspection method and a control device. The efficient fire-fighting equipment inspection robot comprises a robot body, a drawing information processing module, a path planning module, a visual sensing module, a detection device and a fire-fighting communication module. The robot body comprises a carrier and a moving mechanism, and the moving mechanism is arranged on the carrier and can drive the carrier to move. The drawing information processing module is arranged on the carrier and is used for identifying and analyzing design information in the CAD drawing; the path planning module is arranged on the carrier and used for planning a moving path of the carrier; the visual sensing module is arranged on the carrier and is used for acquiring a picture of the equipment and identifying the type of the equipment; the detection device is arranged on the carrier, comprises various trigger mechanisms and is used for starting the corresponding trigger mechanism according to the equipment type identified by the visual sensing module; the fire-fighting communication module is arranged on the carrier. According to the scheme, the working pressure of maintenance personnel can be reduced, the fire-fighting equipment inspection efficiency and quality are improved, and artificial intelligent inspection is realized.

The present invention relates to a separation device for a dichloromethane and white oil mixed liquid, comprising a distillation system, a white oil treatment system, and a dichloromethane treatment system, wherein the distillation system comprises a distillation tower, an evaporator, and a gas-liquid separator; the white oil treatment system comprises an oil rectifying device, a white oil cooler, and a white oil collector; and the dichloromethane treatment system comprises a dichloromethane condenser, a water separator, and a dichloromethane collector. The present invention adopts a falling film evaporator, the material residence time is short, the steam working pressure is small, and the steam consumption is low. At the same time, the temperature of the evaporated white oil concentrate is low, the color is light, and the purity is high. After the evaporated dichloromethane gas is subjected to gas-liquid separation, condensation, and water separation, the white oil content in the dichloromethane is within 20ppm. After the white oil is rectified and cooled, the dichloromethane content in the finished white oil is within 80ppm. In addition, the structure is simple and the implementation is convenient.

The invention relates to the technical field of electric energy meter shell production, and discloses an injection molding device for electric energy meter shell production and a using method thereof.The injection molding device comprises an injection molding box, a box type mold groove is formed in the injection molding box, a rectangular groove is formed in the top of the injection molding box, and a cooling groove is formed in the injection molding box; the vibration mechanism comprises a water storage tank formed in the injection molding box, a submersible pump is fixedly installed on the inner wall of the bottom of the water storage tank, a water suction pipe is fixedly installed at the right end of the submersible pump, a water outlet pipe is fixedly installed on the right side of the submersible pump, and the top end of the water outlet pipe communicates with the cooling tank. The trapezoidal vibration blocks can vibrate when making contact with the filter box, dust impurities attached to filter holes in the front face of the filter box can be shaken off through vibration, and shaken-off dust particles can fall on the inner wall of the bottom of the filter box, so that it is effectively guaranteed that cooling water after heat dissipation smoothly enters the water storage tank, and normal injection molding cooling work is guaranteed.

The utility model relates to the technical field of aquatic planting equipment, and discloses aquatic plant aquatic planting equipment which comprises a planting disc, a first planting assembly is arranged at the top of the planting disc, a second planting assembly is arranged at the top of the planting disc, and the first planting assembly comprises a first planting frame plate arranged at the top of the planting disc. A first planting structure is arranged at the top of the first planting frame plate, the second planting assembly comprises protection plates fixedly installed on the outer walls of the two sides of the planting disc, second planting structures are arranged on the outer walls of the protection plates, and the first planting assembly further comprises a second planting frame plate arranged at the top of the planting disc, so that the purpose of adjusting the internal position of the device is achieved; the device can be conveniently adjusted according to the spacing required by plant growth, the use flexibility of the device is improved, planters can conveniently extract plants, the problem that plant rhizomes are connected with the planting device in a twining mode is solved, and the use experience of the device is optimized.