161results about How to "Improve environmental quality" patented technology

The invention relates to the technical field of intelligent control, and discloses an intelligent control method and system for a laminar flow air supply unit special for an operating room, and the method comprises the steps: constructing a three-dimensional space topology model of the operating room, collecting the spatial position data of medical staff and equipment in real time in an operation process, and forming a spatial-temporal trajectory data set; analyzing the spatial-temporal trajectory data set to generate a pollution source distribution thermodynamic diagram; acquiring an environment state data flow and a personnel state data flow of the operating room, and predicting a dynamic heat and humidity load demand curve of the operating room in a future time period through a pre-trained heat and humidity load demand prediction model; based on the dynamic heat and humidity load demand curve, the operating room three-dimensional space topology model and the pollution source distribution thermodynamic diagram, a dynamic air supply control strategy is generated, and a laminar flow air supply unit is controlled to conduct intelligent air supply; the heat and humidity load demand of the operating room can be accurately predicted, the air supply strategy is dynamically optimized, and the air supply energy consumption is remarkably reduced while the cleanliness of the operating room is guaranteed.

The invention relates to the technical field of air purification, in particular to movable air purification equipment. The device comprises a filtering device, and a dredging device and a collecting device which are arranged in the filtering device. According to the air purifier, when the motor drives the fan blades to rotate through the transmission shaft so as to accelerate the speed of air passing through the air filter element, the control panel in reciprocating threaded connection with the transmission shaft can drive the elastic air bag to contract and stretch, the volume of the elastic air bag is increased during stretching, and negative pressure is formed in the elastic air bag to suck air purified by the air filter element; during compression, the size of the elastic air bag is reduced, air in the elastic air bag is compressed, enters the air injection structure through the exhaust pipe and then is sprayed out of the filter screen through the air flushing opening, so that blockages on the filter screen are impacted by airflow to fall off from the filter screen, the filter screen is prevented from being blocked, and the air purification efficiency of the equipment is ensured.

The invention discloses a smart park comprehensive operation and maintenance intelligent management platform, and relates to the technical field of smart parks, and the platform comprises a data collection module, a data storage module, an operation and maintenance management analysis module, an operation and maintenance service analysis module, and a comprehensive evaluation module. The technical key points are that operation and maintenance management of the smart park is analyzed, equipment performance parameters are analyzed, the relative deviation between a current park equipment performance change value and an equipment performance change standard value is calculated, an equipment operation and maintenance evaluation value is obtained, and problems are found and solved in time by evaluating the operation and maintenance management effect of the equipment. The operation efficiency and productivity of the equipment are improved; and by associating the current park environment data with the environment data of the city where the current park environment data is located, the park environment operation and maintenance evaluation value is obtained, the effectiveness of park environment treatment measures can be evaluated, the environment quality of the park is improved, and the accuracy and rationality of an evaluation result are improved.

The invention belongs to the technical field of agricultural fertilizers, and provides a soil remediation fertilizer and a preparation method thereof. The preparation method comprises the following steps: S1, sequentially drying and crushing a natural organic matter material to obtain a pretreated natural organic matter material; s2, mixing the pretreated natural organic matter material, microbial flora, a plant growth regulator, a stabilizer and a slow release agent, and performing fermentation treatment to obtain a compound fertilizer; s3, sequentially drying, granulating and packaging the compound fertilizer to obtain the soil remediation fertilizer. The soil remediation fertilizer provided by the invention can effectively solve the remediation problem of organic matter and heavy metal contaminated soil, improve the soil quality and promote plant growth, and has remarkable environmental protection and agricultural sustainable development benefits.

The invention relates to the technical field of farm disinfection, in particular to an intelligent disinfection system for a farm. The system comprises an initial determination module, a periodic disinfection module, an environment monitoring module, a first analysis control module, a second analysis control module and a feedback correction module. According to the method, the initial disinfection parameter cluster of each breeding area in the target breeding farm is determined according to the actual growth stages of the breeding targets and the actual number corresponding to each actual growth stage, each breeding area is periodically disinfected according to the initial disinfection parameter cluster, and each breeding area is monitored in real time so as to be singly judged; and performing first-class adjustment and second-class adjustment on the initial disinfection parameter cluster based on a first verification result and a second verification result in combination with the first verification result and the second verification result to determine whether the initial disinfection parameter cluster is subjected to first-class adjustment and second-class adjustment. And according to the first analysis control result and the second analysis control result, determining whether to perform feedback correction on a preset initial disinfection period of each breeding area.

The embodiment of the invention provides a salvage unmanned ship for water surface tiny foreign matter image recognition and an image capturing and processing method thereof, and belongs to the technical field of water surface cleaning and water quality monitoring. The salvage unmanned ship comprises a ship body; the image acquisition and processing module is used for capturing an image of the water surface and identifying tiny foreign matters through a target detection algorithm; the garbage collecting device is mounted on the ship body and can collect tiny foreign matters on the water surface according to an identification result so as to clean garbage floating on the water surface; wherein the target detection algorithm is a Cascade R-CNN target detection algorithm, and the Cascade R-CNN target detection algorithm is combined with a feature pyramid network to process a multi-scale target through feature extraction from bottom to top and feature fusion from top to bottom. The Cascade R-CNN target detection algorithm is combined with the feature pyramid network to effectively solve the problems of low water surface garbage cleaning efficiency, difficulty in small foreign matter detection and the like in the prior art.

The invention provides a method and equipment for detecting ion migration of a perovskite solar cell, and relates to the technical field of perovskite solar cells, and the method comprises the steps: obtaining a fluorine-doped tin oxide coating glass substrate, and carrying out the spin coating of a SnO2 colloidal solution on the glass substrate, so as to obtain an electron transport layer; preparing perovskite solutions of different components according to a preset precursor solution formula, spin-coating the electron transport layer with the perovskite solutions, and performing annealing treatment to obtain perovskite thin films of different components; coating a Spiro-OMeTAD solution on the perovskite thin film so as to obtain a hole transport layer; depositing a gold electrode on the hole transport layer to obtain a solar cell device; different illumination conditions and different working load conditions are simulated, the solar cell device is operated, and the relation between the interface ion cumulant and the load is evaluated. The problems of unstable performance, current and voltage lagging and the like caused by ion migration of the existing titanium ore solar cell under the actual working condition are solved.

The invention discloses a heating ventilation air conditioner intelligent installation regulation and control system, and relates to the field of installation regulation and control, and the system comprises a management center which is in communication connection with an air conditioner data collection module, a heating ventilation air conditioner installation module, an air conditioner data analysis module, an air conditioner data processing module and a heating ventilation regulation and control module. Using state data and scale information data are collected, a user interaction interface is set, and user deviation information is investigated; according to the air conditioner analysis end, the scale information data and the use state data, a heating ventilation air conditioner twinborn model is constructed, and an air conditioner installation report is generated; obtaining a normal somatosensory value of the user according to the real-time posture information and the portrait breathing information; according to the normal somatosensory value of the user, domain source processing is carried out on the coverage area, and a heating and ventilation homotype area is obtained; according to the user interaction interface, the real-time posture information, the heating ventilation homotype area and the user deviation information, area deviation factors are obtained, and the heating ventilation air conditioner is analyzed through the area deviation factors; according to the invention, the energy consumption efficiency is improved.

The invention relates to the technical field of constructional engineering environment monitoring, in particular to a constructional engineering environment monitoring method and system. The method comprises the following steps: performing feature extraction on a particulate matter real-time spectrum to obtain a particulate matter real-time feature spectrum; performing spectrum color conversion effect simulation on the particulate matter real-time characteristic spectrum, and performing scattering glare view angle analysis to obtain scattering glare view angle data; carrying out medium influence weight judgment according to the scattering glare view angle data to obtain particulate matter glare influence weight data; performing convolution calculation on the particulate matter glare influence weight data, and performing logic learning to obtain particulate matter glare view angle logic data; and carrying out automatic identification firmware design based on the particulate matter glare view angle logic data to obtain particulate matter glare view angle identification firmware. According to the invention, the construction engineering environment monitoring technology is optimized, so that the construction engineering environment monitoring technology is more perfect.

The invention discloses an enterprise digital exhibition and sales architecture management system, and relates to the technical field of exhibition architecture management, and the system constructs and evaluates a regional distribution index Qyfb and a regional congestion index Ydz through a three-dimensional model building module, a layout management module and a real-time human traffic analysis module, can accurately evaluate the spatial distribution between showcases, and improves the exhibition and sales efficiency. The layout is adjusted in time to optimize the use efficiency of the exhibition area, and the exhibit is prevented from being too dense or loose; the method monitors and predicts the crowd congestion condition of the exhibition area in real time, dynamically adjusts the guide identifier and the interaction area setting, and relieves the congestion. The digital acquisition module and the analysis module realize comprehensive acquisition and analysis of illumination and environmental conditions of an exhibition site. The condition data set is deeply analyzed through the neural network technology, the illumination condition index Gztj and the ventilation condition index Tftj are calculated and evaluated to make corresponding management strategies, and the management efficiency of the exhibition site is improved.

The invention relates to the technical field of building equipment intelligent scheduling, in particular to a building equipment intelligent scheduling method based on an AI algorithm, which comprises the following steps: collecting equipment energy consumption records, user activity data and meteorological data, performing integrated calculation, and generating equipment energy consumption comprehensive data; and performing model training by using the equipment energy consumption comprehensive data and a convolutional neural network to obtain an equipment prediction model. According to the method, the energy consumption record, the user activity data and the meteorological data of the building equipment are integrated, and the convolutional neural network is applied to perform analysis and model training on the data, so that equipment requirements can be predicted in real time, and equipment operation can be adjusted. The prediction and adjustment mechanism enables equipment operation to be more accurate, energy consumption is reduced in a targeted mode, and efficiency is improved. In addition, real-time updating of the model and the scheduling strategy is ensured through continuous monitoring and data feedback circulation, environmental changes are adapted, and the equipment performance is optimized.

The utility model discloses a novel zinc oxide quantitative feeding device which is characterized in that the side face of a supporting column is connected with a discharging channel fixing frame, a discharging channel is arranged in the discharging channel fixing frame, a connecting shaft is arranged on the side face of a rotating base, one end of the connecting shaft is connected with the output end of a second motor, and the other end of the connecting shaft is connected with the output end of the second motor. A gravity sensor is arranged in the rotating base, and a zinc oxide weighing container is arranged at the top of the gravity sensor. According to the zinc oxide weighing device, the zinc oxide weighing container and the gravity sensor are arranged, the gravity sensor weighs zinc oxide raw materials falling into the zinc oxide weighing container, when the weight of the materials needing to be taken is completed, the discharging control assembly is closed, the second motor drives the zinc oxide weighing container to rotate anticlockwise to the position of the discharging channel, and the zinc oxide raw materials are weighed. Weighed zinc oxide is poured into the discharging channel, quantitative taking of the zinc oxide raw materials is achieved in the whole process, and the accuracy of the input amount in the zinc oxide machining process is improved.

The invention provides a nitrogen oxide emission accounting method based on satellite remote sensing, and belongs to the field of air pollution prevention and control. According to the method, real-time accurate accounting of NOX emission is realized by utilizing high-temporal-spatial-resolution satellite remote sensing observation and combining a prior emission list and an atmospheric chemical mode. According to the method, the nonlinear response relationship between NOX emission and simulated NO2 column concentration and the nonlinear mapping relationship between simulated NO2 and satellite remote sensing NO2 column concentration are researched, the interaction of the two nonlinear response relationships is comprehensively considered, and a backtracking quantitative model is established, so that a high-resolution NOX emission list is constructed in real time based on satellite remote sensing NO2 data. According to the method, the problems of subjectivity, difference and time delay in the traditional emission list making process are solved, and the accuracy and timeliness of the emission list are improved. In addition, the method also enhances the reliability of simulation and prediction of atmospheric pollutants, and provides powerful support for accurate prevention and control of atmospheric pollution.

The invention discloses a concrete detection method for highway construction, and belongs to the field of concrete detection. According to the concrete detection method for highway construction, a detection table is included, guide rods are fixedly connected to the periphery of the top of the detection table, a top plate is fixedly connected to the tops of the guide rods, a hydraulic cylinder is fixedly connected to the top of the top plate, and a pressing plate is fixedly connected to the bottom of the telescopic end of the hydraulic cylinder; a shielding part for preventing a concrete test block from being broken and splashed is arranged on the pressure applying plate, and the top of the detection table is rotationally connected with a pressed plate; according to the concrete crushing device disclosed by the invention, concrete fragments are thrown into the crushing groove through the rotation of the pressed plate, so that the concrete fragments are cleaned, the detection work of a next concrete test block can be continued, and the detection efficiency is effectively improved; and meanwhile, through rotation of the two sets of smashing rollers, concrete fragments sliding into the smashing groove are smashed and converted into small aggregate, follow-up transportation and reutilization are facilitated, and the energy-saving effect is improved.

The utility model relates to the technical field of stone crushing, in particular to a stone crushing and screening device which comprises a machine body, a feeding port is fixedly connected to the top of the machine body, and a dustproof assembly is fixedly connected to the inner side wall of the feeding port. Through the arrangement of the fixing plate, the telescopic rod, the first spring, the dustproof plate, the second spring, the clamping block and the handle, during use, the fixing plate limits the dustproof plate, the telescopic rod slightly inclines downwards to drive the dustproof plate to extend outwards, and the dustproof plate can prevent dust in the device from drifting into the air; when feeding is needed, an operator can pull a handle towards one side of the fixing plate, at the moment, a clamping block is driven by the tension of a second spring to be clamped into a groove hole in one side of the fixing plate, the dustproof plate is fixed to the inner wall of the fixing plate and cannot loosen or slide down, and therefore the effect of improving the quality of the nearby air environment is achieved. And the situation that after stone in the device is crushed, a large amount of dust is generated, and the dust drifts into the air, so that the quality of the nearby air environment is reduced is avoided.

The invention relates to a dust remover fault self-diagnosis system, and belongs to the technical field of industrial automation and environmental protection. The system comprises a dust concentration monitoring device, a vibration sensor, a spray water quantity monitoring device, an operation resistance monitoring device and a central processing unit. And the central processing unit receives the data acquired by each monitoring device, performs fault diagnosis according to preset fault judgment logic, and outputs a diagnosis result. The system can also adjust the operation parameters of the dust remover according to the dust concentration data, such as wind speed, spray water quantity and the like, so as to improve the dust removal efficiency. In addition, the system can be connected with a remote monitoring system to realize remote monitoring and fault diagnosis. The method can automatically diagnose the fault of the dust remover, improves the operation efficiency and reliability of the dust remover, and guarantees the production safety and environment quality.

The present invention relates to the field of road drainage, and specifically discloses a sponge city road ecological drainage system, comprising an annular support frame, a fan-shaped drainage well is arranged on the annular support frame, a well cover is arranged on the drainage well, the drainage well is connected with a water reservoir through a pipeline and a water storage ditch; a rotating mechanism is arranged on the drainage well, a plurality of filter components penetrating the drainage well are arranged at the output end of the rotating mechanism, and the rotating mechanism drives the filter components to rotate. The present invention can separate rainwater from garbage, effectively separate the garbage, and make the rainwater accumulate in the water reservoir after purification, which is conducive to creating a good water environment ecology in the water reservoir, and is conducive to repeated irrigation use of the water in the water reservoir. The garbage can be automatically collected and processed, reducing the labor cost of garbage processing in the later stage. It can not only purify rainwater, but also process the odor of garbage, improve environmental quality, and make the system meet the drainage requirements of sponge cities.

The invention relates to the technical field of waste gas recovery of air-jet looms, in particular to a kinetic heat energy recycling device for an air-jet loom, which comprises an air-jet loom main frame and an air collecting hopper mounted at a lateral air outlet of the air-jet loom main frame. According to the kinetic energy and heat energy recycling device for the air-jet loom, the main recycling base is fixedly assembled on one side of the air collecting hopper at the position of the lateral air outlet of the main rack of the air-jet loom, waste gas is recycled through a kinetic energy and heat energy recycling mechanism in the main recycling base and then discharged, and the energy recycling rate is greatly increased; a kinetic energy recovery chamber, an impurity recovery chamber and a bottom separation chamber are respectively arranged in the main recovery seat from top to bottom and are respectively used for recovering and separating kinetic energy and internal impurities, so that the structural layout is more reasonable; the kinetic energy recovery impeller is arranged in the kinetic energy recovery chamber, driving force is generated by converting power of waste gas, the generator and the overhead centrifugal blades are synchronously driven, and the kinetic energy utilization rate is greatly increased.

The invention relates to the technical field of carbon emission supervision, in particular to an intelligent carbon emission supervision system based on data analysis, which comprises a carbon emission management platform, a database, a measurement interference analysis unit, a regional emission supervision unit, a regional trend division unit, a regional optimization evaluation unit and a carbon emission display unit. The environmental interference information of the target monitoring area is preliminarily analyzed so as to eliminate the influence of environmental factors on carbon emission supervision, regional carbon emission safety supervision analysis is performed on the carbon emission information in an information feedback manner, each region block is divided according to the carbon emission information, and the carbon emission safety supervision analysis is performed on the carbon emission information. In this way, the carbon emission condition of each area block is reasonably managed, the carbon emission condition of each sub-area block is visually and accurately known, and at the same time, whether the carbon emission management scheme of the target monitoring area needs to be adjusted is analyzed from the angle of area change, so that the carbon emission of the target monitoring area is reduced. And thus, the environment quality of the target monitoring area can be improved.

The invention discloses a forest marsh capable of enhancing a water quality purification function and a construction method thereof, and relates to the technical field of ecological management, the forest marsh is a water quality enhanced treatment ecological module arranged in a lake / estuary, and the forest marsh is divided into an area 1, an area 2 and an area 3. By optimizing the layout and plant configuration of the forest marsh, the forest marsh can give full play to the effects of physical filtration, plant absorption and microbial degradation, pollutants in water are effectively removed, different types of pollutants are specifically removed through the synergistic effect of the large arbors, the submerged plants and the emergent aquatic plants, the concentration of the pollutants is reduced, and the water quality is improved. According to the sewage treatment device, pollutants such as suspended solids, organic matters and nutritive salts in water are effectively removed, the water environment quality entering lakes / rivers is remarkably improved, the sewage treatment device adapts to the intermittent discharge characteristic of rural sewage, and when a large amount of water comes, the retention time of the sewage in forests and marshes is prolonged through the water retaining and overflowing design, so that the pollutants have more opportunities to be removed, and the treatment efficiency is improved.

The invention provides a method for preparing biochar from spartina alterniflora and application of the biochar in nitrogen and phosphorus removal, and belongs to the technical field of biological materials. According to the method, the widely distributed spartina alterniflora is converted into the biochar, so that high-value utilization of invasive plants is realized, and environmental pollution is reduced. The biochar provided by the invention has excellent performance in the aspects of nitrogen and phosphorus removal, effectively improves water eutrophication, improves water quality and protects an aquatic ecosystem. The preparation method is simple, cost is reduced, and large-scale production is facilitated. And the method is environment-friendly, does not generate secondary pollution, and accords with sustainable development. The invention not only provides a new environment restoration material, but also opens up a new way for biomass resource utilization, has remarkable economic and social benefits, improves public health, improves life quality and protects biological diversity.

The invention relates to the technical field of mine dust removal equipment, and particularly discloses environment-friendly mine dust removal equipment which comprises a water tank, the water tank is arranged at the top of a mounting base and used for storing and containing water needed for dust fall, a controller used for controlling the equipment to operate is arranged on the outer side of the water tank, and a water supply assembly is arranged on the outer side of the water tank and used for supplying water to the water tank; the top of the water tank is provided with a pressure adjusting assembly, and the pressure adjusting assembly is used for automatically adjusting the water pressure according to the spraying height of the water spraying assembly. Through the arrangement of the water spraying assembly, the height and angle of a water curtain wall sprayed by the water spraying assembly can be adjusted according to the actual environment of a mineral field and the placement position of dust removal equipment during use, so that the water curtain wall can adapt to the complex field environment of the mine field, and dust generated during mining is treated; the surrounding environment is protected, and good applicability and practicability are achieved.

The utility model belongs to the technical field of roadway dust removal, and relates to an air flow purification device of a fully-mechanized face air return crossheading, which comprises a frame type component, a lifting component, a lower rotating component, an upper rotating component and a spraying component, the frame type component is used for allowing an operation vehicle to pass through, and the lifting components are arranged on the two sides of the frame type component and used for achieving lifting of an upper structure in the frame type component; a spraying component is arranged in the middle of the upper structure of the frame type component and used for treating dust in an area where a vehicle passes through. The rotating lower part is hinged with one side of the lower structure of the frame type part, and the spraying part is arranged at the upper part of the rotating lower part; the rotating upper part is hinged to the side, close to the rotating lower part, of the upper structure in the frame type part, and a dust catching net is arranged between the rotating upper part and the frame type part. Sufficient passing space is provided for vehicles, obstruction of a traditional dust catching net to traffic is avoided, different roadway heights and environment conditions can be flexibly adapted, and the stability of the treatment effect is ensured.

The invention provides an intelligent peak regulation coal material treatment system for thermal power generation, and relates to the technical field of thermal power generation, the intelligent peak regulation coal material treatment system for thermal power generation comprises a crushing and screening device, a washing device, a drying device, a coal grinding device, a transmission device, an intelligent regulation and control device and an energy storage device; the crushing and screening equipment, the washing and selecting equipment, the drying equipment, the coal grinding equipment and the transmission equipment are used for processing coal and transmitting the coal to a boiler, the intelligent regulation and control equipment is used for controlling the operation states of the crushing and screening equipment, the washing and selecting equipment, the drying equipment, the coal grinding equipment and the transmission equipment by adopting a regulation and control algorithm according to power utilization wave peaks and power utilization wave troughs, and the energy storage equipment is used for storing power at the power utilization wave peaks; the system is energy-saving, can be matched with the load of a power grid, and reduces the power supply pressure of the power grid.

The utility model belongs to the technical field of ceramic granule dust removal, specifically relates to a ceramic granule dust removal device. It includes dust removal case, is provided with feed inlet and dust outlet in the top of dust removal case, is provided with the discharge gate and dust collecting port of dust removal case's first side bottom and second side bottom respectively, is provided with a plurality of filter plates in dust removal case inside up and down interval, is provided with electric conveyer belt outside dust removal case, the feed end of electric convey belt extends to the discharge gate of dust removal case, the discharge end of electric convey belt extends to finished product packing warehousing, is provided with a plurality of electrostatic dust removal units along material transmission direction interval in electric conveyer belt top, and electrostatic dust removal unit removes the dust particle that adheres to the surface of ceramic granule through electrostatic adsorption ceramic granule surface fine dust particle and realizes ceramic granule dust removal. The utility model removes the dust particle that adheres to the surface of ceramic granule through the combination of dust removal case and electrostatic dust removal two ways, solves the problem that the use of ceramic granule is limited because of the dust particle that adheres to the surface.

The invention relates to the technical field of greenhouses, in particular to a greenhouse film dedusting method and system for a greenhouse. The method comprises the following steps: acquiring target greenhouse film images of a plurality of greenhouses; for a first greenhouse film image without foreign matters in the target greenhouse film image, collecting illumination intensity, light transmittance and greenhouse film spectral data of the greenhouse corresponding to the first greenhouse film image; processing the greenhouse film spectrum data to obtain the greenhouse film thickness of the greenhouse corresponding to the first greenhouse film image; when the illumination intensity and the light transmittance are both smaller than the corresponding preset illumination intensity and preset light transmittance, dust removal is conducted on a greenhouse film of the greenhouse corresponding to the first greenhouse film image through a drip washing device and a brush device; or when the greenhouse film thickness is larger than the preset greenhouse film thickness, dust removal is conducted on the greenhouse film, corresponding to the first greenhouse film image, of the greenhouse through the drip washing device and the brush device. According to the method, the cleaning efficiency of the greenhouse film of the greenhouse is improved.

The polishing equipment with the dust removal function comprises a polishing machine and an operation box, a polishing chamber and a dust collection chamber are formed in the operation box, the dust collection chamber is arranged under the polishing chamber, the polishing machine is installed in the polishing chamber, an air blower is installed at the top of the operation box, and the dust collection chamber is arranged under the polishing chamber. The output end of the air blower is provided with an air conveying pipe. A complete dust removal system is built in the operation box, in the polishing process, the air blower conveys air flow to the air blowing opening through the air conveying pipe and the corrugated telescopic pipe, the air blowing opening directly blows the air flow to the polishing machine, dust generated in the polishing process can be blown to the air guiding channel, and the dust removal effect is improved. According to the dust collection device, dust is collected and purified, air containing dust is sucked into the air guide channel through the exhaust fan and guided to the dust removal filter bag in the dust collection chamber to be filtered, and therefore dust collection and purification are achieved, the environment quality of polishing operation is improved, and the health of operators is protected.

An intelligent building dust control device relates to the field of buildings and comprises an outer box body, an opening is formed in the top of the outer box body, a left blocking plate and a right blocking plate are rotatably connected to the two sides of the opening respectively, a push-pull mechanism is arranged in the outer box body, and a sliding mechanism and a driving mechanism are arranged in the outer box body. A sliding plate is installed on the sliding mechanism, a water spraying pipe is connected to the sliding plate, and the water spraying pipe is connected with a sprayer. The dust concentration in the environment such as a construction site can be automatically detected and effectively controlled, and the environment quality and safety are improved; the water spraying holes in the annular array ensure that the water spraying range is wide and uniform, and the dust removal effect is effectively improved; due to the design of the push-pull mechanism and the sliding mechanism, the device can flexibly and accurately control the opening and closing of the opening and the movement of the spray head; the dust sensor and the distance sensor provide accurate data support for automatic control of the device, and safety and intelligence of water spraying operation are ensured.

The invention discloses a three-point method ground resistance intelligent test method and system based on an electrical explosion-proof environment, and relates to the technical field of resistance intelligent test. The method comprises the following steps: acquiring electrical environment characteristic data of an electrical explosion-proof environment, adjusting a resistance intelligent test parameter according to the electrical environment characteristic data to obtain an adjusted resistance intelligent test parameter, and executing a grounding resistance intelligent test according to the adjusted resistance intelligent test parameter. The method comprises the following steps: monitoring measurement characteristic data of a grounding resistance intelligent test in a grounding resistance intelligent test process, analyzing to obtain measurement stability information of the grounding resistance intelligent test according to the measurement characteristic data of the grounding resistance intelligent test, and executing grounding resistance intelligent test condition verification optimization according to the measurement stability information of the grounding resistance intelligent test. Therefore, the accuracy and the reliability of the intelligent test of the grounding resistance are improved.

The invention provides a nitrogen pollution regulation and control method and device, a storage medium and equipment, and the method comprises the steps: obtaining nitrogen emission data in the production process of industrial and agricultural products, and the total nitrogen of surface water and atmospheric nitrogen oxides in a target region; the method comprises the following steps: acquiring a mapping relation between nitrogen emission of industrial and agricultural products and total nitrogen of surface water and atmospheric nitrogen oxides in a target area, and constructing an economic constraint function and a nitrogen emission constraint function based on an economic development target and an environmental protection target of the target area; and based on second environment data, an economic constraint function, the nitrogen emission constraint function and the mapping relationship, obtaining yield recommendation information of the industrial and agricultural products by using a multi-objective optimization model, and performing production distribution of the industrial and agricultural products according to the yield recommendation information. The production management and control of industrial and agricultural products can be realized by combining economic development and environmental protection, and the local environmental quality is improved while the economic development is guaranteed.