55results about How to "Avoid health" patented technology

The invention provides a self-adaptive intelligent control method and system for a poultry breeding environment. The method comprises the following steps: collecting biological signals of poultry individuals; constructing a health state model based on the health indexes; acquiring position coordinates and velocity vectors of poultry, and constructing a time sequence model based on behavior patterns to monitor changes of group behavior patterns in real time; dynamically adjusting the environment control strategy according to the comprehensive environment control index, and performing real-time feedback monitoring after adjustment; constructing a composite growth index for identifying growth stages according to the biological signal, designing a comprehensive optimization mechanism for multi-stage environment control, and integrating data of different growth stages; a self-adaptive multi-objective optimization model is designed, a control strategy is dynamically adjusted according to real-time data, control parameters are dynamically adjusted in combination with historical data, and a multi-level feedback cycle and emergency response mechanism is designed to ensure that the system responds in time in an emergency. The method obviously improves the overall benefits of poultry breeding, and has wide application prospects.

The invention relates to the technical field of sickbed control, in particular to a control system of an intelligent bed and a control method thereof. The method comprises the following steps: acquiring structural data of the intelligent bed; carrying out human body fitting area gravity sensor deployment on the intelligent bed structure data to obtain sickbed sensor deployment data; performing gravity sensor data acquisition on the sickbed sensor deployment data to obtain an initial gravity sensor data set; carrying out data matrix processing on the gravity sensor data set to generate a multi-dimensional pressure sensing matrix; acquiring user pain part data and bed board motor initial position data; and performing pressure distribution mode recognition on the multi-dimensional pressure sensing matrix to obtain a uniform distribution mode and a concentrated distribution mode. According to the invention, through the personalized support regulation, global attitude optimization and real-time feedback mechanism of the intelligent bed, the control accuracy and intelligence of the intelligent bed are improved.

The invention discloses a pig health assessment method based on a rail-mounted inspection robot, and the method comprises the following steps: S1, collecting an RGB image, an infrared image and a depth image of a pig through the rail-mounted inspection robot, and recording the health condition of the pig; s2, extracting physiological and behavior characteristics of the pig through a deep learning model according to the RGB image, the infrared image and the depth image; s3, obtaining health indexes of the pigs according to the physiological and behavior characteristics of the pigs; s4, standardizing the health indexes of the pigs through z-score to obtain scores of the health indexes of the pigs; and S5, constructing a random forest model according to the health condition of the pig, taking the score of the health index of the pig as an independent variable, training through the random forest model to obtain the weight of the health index, establishing a pig health scoring model according to the weight of the health index, and calculating the health score of the pig, thereby realizing automatic pig health assessment.

The invention belongs to the field of wireless unvarnished transmission device communication distance testing, and provides a wireless unvarnished transmission device communication distance testing system and method. The test system comprises a central server, a tester device end and at least two tested ends. A test board card of the tester equipment end is used for issuing a control instruction to each tested end through the central server so as to control each tested end to complete the whole test process; analyzing the content of the test script to obtain a test case, and issuing the test case to a test board card of each tested end through the central server; the test board card of the sending end is used for packaging test data according to a test case and sending the test data to the to-be-tested device of the sending end, the to-be-tested device of the sending end is sent to the to-be-tested device of the receiving end through wireless communication, and the data is sent to the test board card of the receiving end after being transmitted through the to-be-tested device of the receiving end; and the test board card at the receiving end obtains a test result of the test case and sends the test result to the test board card at the tester equipment end through the central server.

The invention relates to the technical field of communication technology and sensing technology application, and discloses a Zigbee-based vehicle-mounted child retention prevention monitoring system which is composed of a vehicle body state detection module, a human body induction detection module, a child physiology detection module, an in-vehicle environment detection module and an emergency measure module. The running state of an automobile is monitored in real time, the flameout state is particularly concerned, preconditions are provided for child monitoring, whether passengers stay in the automobile or not is detected through the high-frequency microwave technology, the breathing and heartbeat signals are monitored, life activities are accurately recognized, false alarms caused by toys or other objects are avoided, meanwhile, the image sensor is adopted, and the safety of children is improved. Through the face recognition technology, whether the passenger identity is a child or not is accurately recognized, the accuracy of child retention detection is ensured, and the beneficial effects that the event that the child is retained in the vehicle is found in time and a correct response is made are achieved.

The utility model relates to the technical field of seat accessories, in particular to a lifting type seat framework. The front end of the seventh connecting rod is connected with an eighth connecting rod, the rear end of the seventh connecting rod is connected with a ninth connecting rod, and a tenth connecting rod is connected between the upper end of the ninth connecting rod and the middle section of the eighth connecting rod; an eleventh connecting rod is mounted at the lower end of the eighth connecting rod, and the upper end of the eleventh connecting rod is connected with a twelfth connecting rod and a connecting rod; a fourteenth connecting rod is installed at the rear end of the thirteenth connecting rod, the rear end of a first connecting rod in the pedal assembly is connected with the front end of the thirteenth connecting rod, and the lower end of a fifteenth connecting rod is connected with the rear end of a second connecting rod in the pedal assembly. The lower end of the fourteenth connecting rod is connected with the corner of the fifteenth connecting rod through a connecting plate. The flexibility and adaptability of the seat are improved, the requirements of a user for comfort, functionality and safety are met, blood circulation is promoted, the seat adapts to different workbench heights, the best posture is achieved, body pressure is reduced, and meanwhile the universality of the seat is improved.

The present invention relates to the field of intelligent navigation technology, and discloses a safe operation intelligent navigation system, including: a GPS module, used to obtain the position coordinates of an operation point; a detection module, used to detect the real-time environmental data of the operation point; a marking module, used to obtain the safety assessment value of the operation point according to the real-time environmental data; the safety assessment value is compared with the safety assessment threshold, and the safe operation point is marked according to the comparison result; a path generation module, used to obtain the operation plan of the operation point, determine the operation priority and operation time of the safe operation point according to the operation plan; generate a navigation path traversing each safe operation point according to the position coordinates, the operation priority and the operation time; a navigation module, used to navigate the operator according to the navigation path to complete the operation of each safe operation point. The present invention provides the operator with an optimal navigation path by integrating multiple modules, and improves the accuracy and reliability of the operation.

The invention relates to a sensor system, a sleep space and a method of optimizing sleep quality and comfort in a sleep space. The sensor system is used for monitoring and optimizing personal sleep quality, comfort, health and welfare and comprises a radar sensor, a processor, a communication device and a control component of environmental equipment. Configuring a sleep space with the sensor system; a sensor system is employed to perform a method of optimizing sleep quality and comfort in a sleep space. Adjustment of the environmental device to facilitate returning of the individual to a calm and deep sleep state is initiated by controlling the environmental device control component based on data collected by the radar sensor and / or data and / or control signals processed by the processor.

The present invention discloses a human motion health monitoring system and method thereof, which relate to the technical field of motion health monitoring, and include a perception module, wherein the perception module is used to collect a user's motion and physiological data and environmental data; a behavior analysis module, wherein the behavior analysis module includes an analysis unit and a personalized guidance unit, wherein the analysis unit is used to analyze the user's daily behavior pattern according to the information of the perception module, and then identify the user's motion habits and health trends; the personalized guidance unit is used to formulate a motion strategy according to the result of the analysis unit; the optimization processing module is used to optimize the result of the behavior analysis module according to the information of the perception module; customized health and motion suggestions can be provided according to the user's motion habits and health data, thereby improving the applicability and effect of the suggestions; and intervention measures can be provided in advance according to the user's historical motion trends and health risks to prevent potential health problems.

The invention relates to the technical field of gene prediction, and particularly discloses a functional gene prediction method based on deep learning, which comprises the following steps of: 1, detecting physiological characteristics of a target individual so as to judge whether a target functional gene is expressed or not and judge the expression degree; 2, analyzing the relationship between the environment and the expression of the target functional gene so as to judge whether the change of the environment has an influence on the expression of the target functional gene or not; by analyzing the relationship between the environment and the expression of the target functional gene, how the environmental factors influence the expression of the gene can be revealed, so that the interaction mechanism of the gene and the environment is deeply understood, a corresponding prevention strategy is formulated, the expression of the gene is regulated and controlled by changing the environmental factors, the accuracy of gene mining and identification is improved, and the application prospect is wide. And a powerful tool is provided for further deeply researching the action mechanism of the gene function.

The present application belongs to the technical field of tobacco, and in particular, relates to a method and device for improving the comfort of aged tobacco. The method for improving the comfort of aged tobacco of the present application comprises: mixing a formic acid-ethanol aqueous solution with tobacco leaves having a water content of 10% to 15% for acidolysis reaction to obtain acidolysis-treated tobacco leaves; subjecting the acidolysis-treated tobacco leaves to ultraviolet radiation treatment to obtain tobacco leaves treated by acidolysis and ultraviolet radiation of a formic acid-ethanol aqueous solution; and balancing the moisture content of the synergistically treated tobacco leaves. The present application provides a method and device for improving the comfort of aged tobacco, which can appropriately reduce the strength and concentration by reducing the starch, protein and free nicotine content while maintaining the flavor style of tobacco leaves unchanged, and significantly reduce the irritation to the oral cavity, throat and nasal cavity, thereby quickly and significantly improving the comfort of tobacco leaf smoking, and effectively solving the technical defects of the existing methods for improving the comfort of aged tobacco, such as long processing time, treating the symptoms but not the root cause, and unknown and complex components of combustion products.

The application provides a graphite block material taking-out machine capable of automatically removing dust, and relates to the technical field of graphite processing equipment. The graphite block material taking-out machine comprises a workbench, a rotating table and first and second processing assemblies arranged on the workbench. The rotating table is rotatably arranged on the workbench, and a plurality of clamping mechanisms are arranged on the rotating table corresponding to graphite blocks. The plurality of clamping mechanisms are uniformly arranged in the circumferential direction of the rotating table, and the included angles between adjacent clamping mechanisms are the same. The first processing assembly corresponding to any clamping mechanism comprises a milling mechanism and a first dust removal mechanism, and is used for processing an annular groove in the graphite block. The second processing assembly adjacent to the first processing assembly and corresponding to the clamping mechanism comprises a cutting mechanism and a second dust removal mechanism, and is used for cutting and separating part of the inner ring of the annular groove. According to the technical scheme, the plurality of clamping mechanisms are arranged on the workbench, and the first and second processing assemblies can simultaneously process a plurality of graphite blocks in different processes, thereby improving the efficiency and effectively removing dust.

The utility model relates to the technical field of mechanical engineering, in particular to an oil rolling machine with a stable placement effect, which comprises a base, a plurality of telescopic sleeves are mounted at the top of the base, telescopic rods are sleeved in the telescopic sleeves, limiting discs are mounted at the tops of the telescopic sleeves, springs are mounted on the upper surfaces of the limiting discs, and the springs are connected with the telescopic rods through the springs. And a mounting frame is mounted at the top of the spring, a first driving motor is mounted on one side of the base, a threaded rod is mounted on the side, close to the base, of the first driving motor, and the surface of the threaded rod is in threaded connection with a connecting block. According to the improved oil rolling machine, after a buffer structure is introduced and the design is optimized, the equipment can stably run, strong vibration is avoided, the comfort of a working environment is improved, meanwhile, the accuracy of the coating process is favorably kept, and the uniformity and the overall quality of a product coating are improved. And a height adjusting function is introduced, so that an operator can adjust according to individual requirements.

The invention relates to a fat-reducing satiety cocoa product and a preparation method thereof, and belongs to the technical field of cocoa products. Non-covalent bonds such as hydrogen bonds, hydrophobic bonds and the like are formed among the grease, xanthan gum and concentrated whey protein in the preparation raw materials, so that migration and crystal transformation of the grease can be delayed, and the frosting of the cocoa product is delayed. The raw materials also comprise tannic acid, on one hand, the tannic acid enhances the oxidation resistance of the grease, inhibits the grease from generating grease hydroperoxide and avoids a series of health problems caused by too high grease hydroperoxide, and on the other hand, the tannic acid cooperates with the xanthan gum, so that the thermal stability of the cocoa product can be enhanced. The invention also provides a preparation method of the cocoa product, the concentrated whey protein in the raw materials for preparing the cocoa product has excellent emulsifying performance, can hinder the tiny movement of grease molecules in the process of preparing the cocoa product from the prefabricated slurry and inhibit the recrystallization movement after grease migration, and has good anti-frosting performance.

The invention discloses an air conditioning vest based on semiconductor refrigeration and a temperature control system and method, relates to the technical field of air conditioning vests, and can set an initial temperature regulation value in a personalized manner by monitoring the heart rate, the body temperature and the sweat secretion amount of a wearer in real time so as to provide accurate comfortable experience. According to the scheme, the physiological change of a wearer is quickly responded, the exercise efficiency and safety are improved, the energy waste is reduced, the problems of inaccurate temperature adjustment and insufficient comfortable experience are effectively avoided, the comfort and safety of the wearer in exercise are remarkably improved, and the user experience is improved. The personalized adjustment can help the user to keep the optimal sensible temperature under different exercise intensities and environments, and through personalized analysis of the initial temperature regulation value, the system can reduce the condition of excessive cooling and avoid energy waste. The precise regulation and control mode is beneficial for improving the energy efficiency of the refrigerating system and reducing the energy consumption.

This invention discloses a smart pet care method and a smart pet care combination cabinet, belonging to the field of pet supplies and smart environmental control technology. The smart pet care method includes: acquiring the pet's type and age group in the pet carrier; automatically adjusting the temperature and humidity inside the carrier according to a preset temperature and humidity target range; real-time monitoring of formaldehyde, TVOC, and ammonia concentrations, comparing them with preset safety thresholds, and automatically adjusting the purification airflow level according to the degree of exceedance. The smart pet care combination cabinet includes a pet carrier, a humidification system, a central purification system, a temperature control system, and a control system. This invention can achieve personalized temperature and humidity adjustment according to pet type and precise age group, and perform graded purification according to the degree of harmful substance exceedance, effectively protecting pet health. It has the advantages of high intelligence, precise adjustment, and safety and reliability.

The invention particularly relates to the technical field of wheelchairs, and discloses a rehabilitation walking-assisting wheelchair which comprises a frame, the rear portion of the upper end of the frame is fixedly connected with a chair back, the inner surface of the chair back is rotatably connected with a cushion, and the inner surface of the chair back, the rear end of the chair back and the left end and the right end of the frame are jointly provided with active and passive assemblies. The inner cavity and the lower end of the cushion are jointly provided with a ventilation massage assembly. According to the rehabilitation walking-assisting wheelchair, by arranging the driving mechanism, the fixing mechanism and the hand exercising mechanism, when a user uses the wheelchair, the corresponding exercising mode can be performed according to the self condition of the user according to the two exercising modes of hand active exercising and leg passive exercising or hand passive exercising and leg active exercising of the user; the health-care pillow can effectively enhance muscle strength, improve joint flexibility, promote blood circulation, prevent muscle atrophy and joint stiffness, and is beneficial to improving physical strength, improving cardio-pulmonary functions, promoting self-movement ability and reducing bedsore risks.

The invention discloses a self-cleaning voice control terminal for a display screen, which belongs to the technical field of display screen voice control, comprises a voice control module, a cleaning assembly, a dust removal assembly and a dust fall assembly, and is characterized in that a filter screen is mounted on the voice control module, and an electric control assembly is arranged on the outer side surface of the voice control module; a cleaning assembly is arranged in the voice control module and used for cleaning dust adsorbed on the surface of the filter screen, a dust removal assembly is further arranged on the cleaning assembly, the dust removal assembly is used for removing dust on the cleaning assembly, and the dust removal assembly is connected with the cleaning assembly through a dust falling assembly. According to the voice control terminal, the filter screen on the voice control terminal can be automatically cleaned through voice control, the situation that much dust is gathered on the filter screen, and consequently receiving of human voice is affected is avoided, in the process of cleaning the filter screen, the dust flying degree can be reduced, the situation that the dust pollutes the environment is avoided, and the health problem caused by manual cleaning is avoided.

The invention belongs to the technical field of medical treatment accessories, and provides an interventional anti-falling device for air pressure venous thrombosis. The interventional type anti-falling device for the air pressure venous thrombosis comprises a supporting part, the supporting part is provided with at least two supporting pipes, and the supporting pipes are oppositely arranged; the connecting part is arranged on the supporting part and located between the two supporting pipes, and the two ends of the connecting part are connected with the supporting pipes correspondingly; the wrapping net part is arranged at the supporting part, located between the two supporting pipes and arranged above the connecting part, and the wrapping net part is arranged at the supporting part, located between the two supporting pipes and arranged above the connecting part; wherein the wrapping net part comprises an anti-falling net, and the anti-falling net is arranged at the position close to the thrombus and used for preventing the thrombus from falling off. According to the design, the device is reasonable in arrangement and easy to operate, the thrombus can be prevented from falling off, the thrombus can be gradually stripped from outside to inside, the thrombus problem is solved, and therefore the device is suitable for industrial popularization.

The invention belongs to the technical field of powder coatings, and particularly relates to a preparation method of TMA-free polyester resin, a product and application of the TMA-free polyester resin. Polyhydric alcohol serves as an initial raw material, is melted and then is subjected to esterification reaction with polybasic acid and an acidification end-capping reagent which are added in batches in the presence of an organic tin catalyst and an antioxidant; and carrying out vacuum polycondensation, curing, discharging, cooling, crushing and packaging to obtain the TMA-free polyester resin with excellent performance. The coating is not only suitable for indoor coatings, but also more suitable for outdoor occasions with high durability and high decoration requirements, such as automobile coating, building exterior walls and outdoor furniture, and can also be used for manufacturing base materials for molding after coating, such as traveling cases and tempered doors, so that the construction difficulty of molding before coating is effectively reduced, and the application range is greatly widened.

The invention relates to the technical field of insomnia analysis intervention, and discloses an insomnia disorder intervention method based on artificial intelligence and cognitive behavior, comprising: obtaining the respiratory frequency of a target person, forming sleep analysis data, forming insomnia analysis data, constructing an insomnia knowledge graph, forming comparison data, forming allocation data, and pushing a diagnosis and treatment doctor to the target person. The insomnia disorder intervention method based on artificial intelligence and cognitive behavior judges and determines whether the patient has an insomnia problem in his sleep according to the patient's respiratory frequency, and intervenes in time, judges and determines whether there are external factors in the patient's non-sleep period according to the patient's heart rate, causing the patient's sleep to be disturbed, and judges and determines the number of days that the external factors affect the patient's sleep according to the patient's historical heart rate data, so that the patient can receive corresponding intervention treatment in time at the early stage of insomnia to prevent more serious health problems.

Drilling equipment comprises a moving frame, a bottom plate is installed on the top face of the moving frame, an electric push rod is installed at the center of the top face of the bottom plate, a mounting plate is installed at the output end of the electric push rod, a drilling motor is installed at the center of the top face of the mounting plate, and a drill bit is installed at the output end of the drilling motor. A blocking cover is detachably mounted on the top surface of the mounting plate, the blocking cover is of a telescopic structure and comprises a lower cover body and an upper cover body, the lower cover body is of a box body structure with an open top surface, a square hole is formed in the center of the top surface of the lower cover body in a penetrating mode, the drilling motor penetrates through the square hole and extends to the inner side of the lower cover body, and the side wall of the lower cover body is slidably connected with the upper cover body; a dust collection assembly is mounted on the inner side of the barrier cover; according to the technical scheme, the drilling motor is located in the blocking cover, broken stones, dust and the like generated in the drilling process all fall into the blocking cover, and therefore potential safety hazards caused by splashing of the broken stones to constructors are avoided, and meanwhile noise generated by flying dust and drilling is restrained.

The utility model discloses a full-automatic cattle body brush integrating cold water, hot water and drying functions. The full-automatic cattle body brush comprises a support, an arc-shaped installation frame, a rotary drum, a pipeline, a cold and hot liquid supply assembly and a cold and hot air supply assembly. The two supports are arranged side by side, and one support is provided with a displacement sensor and a control system. The arc-shaped mounting frame is fixedly connected between the two brackets; a plurality of electric slip rings are mounted on the arc-shaped mounting frame; the multiple rotary drums penetrate through rotors of the multiple electric slip rings correspondingly, and bristles are detachably connected to the bottoms of the rotary drums; the pipeline is installed on one support, and the tops of the multiple rotary drums are rotationally connected with the pipeline. The cold and hot liquid supply assembly is installed on one support and communicates with the pipeline. The cold and hot air supply assembly is installed on one support and communicates with the pipeline. According to the cattle body cleaning device, all-directional cleaning of cattle bodies can be achieved, water spraying cleaning and air spraying drying operation can be carried out, and the cattle body cleaning efficiency and the cleaning effect are improved.

The invention relates to the field of respiratory protection equipment, and discloses an oxygen supply flow adjustable pressure reducer for a coal mine self-rescuer, which comprises a valve body, a valve core, a valve sleeve, a valve cover, a high-pressure chamber and a medium-pressure chamber arranged in the valve body, an oxygen supply gas path penetrating through the high-pressure chamber to the medium-pressure chamber, a high-pressure spring arranged in the high-pressure chamber, and a manual supply valve arranged in the medium-pressure chamber, the opening end of the oxygen supply gas path comprises a gas inlet end and an output end, a first filter screen is fixedly arranged in the gas inlet end, and a safety exhaust valve and an automatic supply valve are fixedly arranged in the output end; the adjusting assembly is used for adjusting the oxygen supply flow in the oxygen supply gas path and comprises a rotating shaft mounted in the valve sleeve and a shifting piece fixedly connected with the rotating shaft; an oxygen supply vent hole I and an oxygen supply vent hole II which have different apertures and are used for being communicated with an oxygen supply gas path are formed in the rotating shaft; according to the scheme, the oxygen supply requirements under different working conditions can be met at the same time, and a safer working environment is provided for coal mine operation of coal miners.

The invention relates to the technical field of biological medicines, and discloses a formula food for regulating intestinal tracts and a preparation method thereof. The feed comprises the following components in parts by weight: 20-35 parts of carrot powder, 15-30 parts of spinach powder, 2-10 parts of lettuce powder, 2-10 parts of purple cabbage powder, 2-10 parts of broccoli powder, 2-10 parts of green cabbage powder, 1-8 parts of Chinese cabbage powder, 1-5 parts of green bell pepper powder, 1-5 parts of leaf lettuce powder, 1-5 parts of cucumber powder, 1-5 parts of eggplant powder and 1-5 parts of red bell pepper powder. The health food is prepared from, by weight, 1-5 parts of oyster mushroom powder, 1-5 parts of kale powder, 0.5-4 parts of white radish powder, 0.5-4 parts of crowndaisy chrysanthemum powder, 0.5-4 parts of water spinach powder, 0.2-2 parts of celery powder, 0.2-2 parts of purple perilla powder, 0.2-2 parts of caraway powder, 0.2-2 parts of ginger powder and 0.2-2 parts of mint powder. According to the invention, food materials are specially screened, so that the health food is friendly to people with abdominal pain, abdominal distension, diarrhea and constipation, has a prevention effect on chronic diseases, and maintains physical and psychological health states.

The invention relates to the technical field of marine air conditioner disinfection, and discloses a marine air conditioner with an air disinfection structure, the marine air conditioner comprises an air conditioner outdoor unit body, and an automatic disinfection assembly is arranged in the air conditioner outdoor unit body. A plurality of first gas guide plates and a plurality of second gas guide plates in each sterilization sub-box can be intermittently and sufficiently contacted with a disinfectant for sterilization, and meanwhile, ultraviolet sterilization lamps on a plurality of sterilization plates can be used for performing dead-corner-free irradiation sterilization on a transparent gas inlet pipe under the cooperation of a pipeline sterilization assembly; therefore, all the positions where viruses possibly exist on the air conditioner external unit are automatically sterilized, and the situation that the viruses enter a cabin along with the air conditioner external unit due to backward flowing of air flow, and cross infection of personnel in the cabin is caused is prevented. The clean disinfection structure is beneficial for preventing health problems caused by air pollutants such as respiratory diseases and allergic diseases, and the health of personnel on the ship is guaranteed.

The utility model relates to the field of chemical equipment, in particular to a disassembly-free cleaning device for a rotor flow meter. A root valve I and a root valve II are arranged on pipelines at the front part and the rear part of the rotor flow meter; a cleaning agent liquid storage tank is connected between the rotor flow meter and the root valve I through a pipeline I; a storage tank is connected between the rotor flow meter and the second root valve through a second pipeline, an air cylinder is arranged at one end of the storage tank, a piston is arranged on the air cylinder, and the piston moves in the storage tank. The first pipeline is provided with a first hand valve, and the second pipeline is provided with a second hand valve. According to the device, the cleaning time can be saved, the dismounting frequency of the flowmeter is reduced, and the service life of the flowmeter is prolonged.

The utility model relates to industrial emulsion treatment equipment technical field discloses an emulsion on -line monitoring self -circulation purification device, including liquid supplementing system, monitoring purification system and emulsion storage tank, liquid supplementing system includes stock solution comprehensive liquid storage tank and acid liquid comprehensive liquid storage tank, and liquid supplementing system communicates with emulsion storage tank through liquid supplementing pipeline to supplement emulsion stock solution and acid liquid comprehensive liquid to emulsion, monitoring purification system includes purification separator, and purification separator communicates with emulsion storage tank through circulation pipeline, and the granule collection bin, waste liquid collection tank and monitoring component are equipped in the purification separator. The utility model through each system cooperation, can realize emulsion recycling, reduce the dangerous waste, reduce the cost, accurate control emulsion performance simultaneously, guarantee product quality stability, satisfy environmental protection and efficient production demand.

The invention discloses a spraying-free polyurethane self-skinning foam material and a preparation method thereof. The polyurethane self-skinning foam material comprises a material A and a material B, and is prepared by adopting a closed mold pouring process. According to the invention, the surface defect-free requirement is met by adjusting the ratio of grafted polyether to trifunctional polyether in the material A and the specific color paste ratio, various light-resistant and aging-resistant requirements after paint spraying are met by adding an aging aid, the friction-resistant requirement is met by using a physical foaming agent and low-surface-energy particles, and a foam production process is matched, so that the wear-resistant performance of the paint is improved. The polyurethane foam produced under the condition of no paint spraying can meet various requirements which can only be met by original paint spraying foam, such as excellent appearance, comfortable hand feeling and good light resistance and friction resistance.

The application discloses a tobacco dust removal hopper cloth bag blowing device and relates to the technical field of tobacco dust removal. The device comprises a compressed air, a gas storage tank, a plurality of compressed air branch pipes, a nozzle and a mounting end cover. The gas storage tank is connected to one side of the compressed air, and the other side is connected in parallel with the plurality of compressed air branch pipes. One end of the compressed air branch pipe away from the gas storage tank penetrates the mounting end cover and extends into the dust removal hopper. The nozzle is installed at the end of the compressed air branch pipe away from the gas storage tank and above the cloth bag. The nozzle corresponds to the cloth bag one by one, and the axes of the nozzle and the cloth bag coincide. The application controls the plurality of nozzles to be opened alternately at interval time, releases compressed air at an instant, makes the compressed air blow into the cloth bag of the dust removal hopper reversely, makes the cloth bag expand at an instant, and makes the cloth bag produce impact vibration under the action of the compressed air. The dust on the surface of the cloth bag is cleaned and shaken off by relying on the expansion and vibration of the cloth bag. The purpose of cleaning the cloth bag is achieved, and the health and safety hidden trouble problems caused by the contact of workers with the dust environment are avoided.