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339 results about "Air water" patented technology

Drainage pipe network sludge sounding method and device and electronic equipment

The invention relates to the technical field of drainage pipe network operation and maintenance, and discloses a drainage pipe network sludge sounding method and device and electronic equipment, and the method comprises the steps: obtaining strain data and inertia measurement data at different moments, which are collected in a process that the drainage pipe network sludge sounding device is lowered to the bottom of a pipe network from an inlet of the pipe network; identifying time points when the drainage pipe network sludge sounding device enters different interfaces according to the strain data, wherein the interfaces comprise an air-water body interface, a water body-sludge interface and a sludge-bottom interface; determining vertical depth values of the different interfaces according to the time points when the drainage pipe network sludge sounding device enters the different interfaces and the inertial measurement data corresponding to the time points respectively; and calculating a sludge depth value and a liquid level depth value based on the vertical depth value corresponding to each interface. According to the invention, the sludge depth of the pipeline can be rapidly and accurately measured under complex well conditions.
Owner:THREE GORGES ENVIRONMENTAL TECH CO LTD +1

Method, device, equipment and product for predicting rainstorm ground waterlogging

The invention discloses a rainstorm ground waterlogging prediction method, device, equipment and product, and relates to the technical field of urban waterlogging prediction.The rainstorm ground waterlogging prediction method comprises the steps that ephemeris and ground observation station data are obtained, the atmospheric moisture delay amount and the high-altitude water vapor conversion factor are calculated respectively, the historical water vapor content is calculated, and the future atmospheric precipitable water amount is predicted; rainfall time distribution data are obtained through rainstorm intensity decomposition; calculating the rainwater overflow amount of the catchment area in combination with the water discharge amount time distribution data of the urban drainage pipe network; and iterative calculation is carried out by using a digital elevation model grid to obtain the waterlogging depth, and waterlogging early warning information is sent out. By constraining the total rainfall amount, the rainfall amount can be effectively constrained by predicting the precipitable water amount based on the satellite ephemeris; the underground pipe network drainage is restrained, and a water flow condition in a pipe channel is simulated by adopting an SWMM model; and finally, the waterlogging accumulated water volume is calculated, constraint verification is carried out on each link of urban waterlogging, and relatively high precision and relatively long timeliness are ensured.
Owner:TIANJIN SURVEYING MAPPING & GEOGRAPHIC INFORMATION RES CENT +1

Full-automatic integrated cleaning device for spinneret plate

The utility model provides a spinneret plate full-automatic integrated cleaning device which comprises a machine frame, the longitudinal section of the side of the machine frame is in an L shape, a station table is arranged on the front side of the machine frame, a machine cavity is arranged on the rear side of the machine frame, and the station table is sequentially provided with a feeding station, a cleaning station, a hot air water cutting station, a baking station and a discharging station from feeding to discharging. A transplanting mechanism is arranged on the position table on the front side face of the rack, an electric control cabinet is arranged on one side of the rack, a water supply tank, a water pump, a filter tank, an air blower, a vacuum pump and an infrared heater are sequentially arranged in the machine cavity from the feeding side to the discharging side, the water pump is communicated with the water supply tank through a water pipe, and the filter tank is communicated with the air blower through an air pipe. The feeding station, the cleaning station, the wind cutting station, the drying station, the discharging station and the like are arranged on the cleaning machine, the jig plate is moved through the transplanting mechanism, automation of material flowing among the stations on the whole equipment is achieved, and the automatic feeding and discharging process can be achieved through the arrangement of the skip car and the feeding and discharging mechanism.
Owner:SHANGHAI LEUVEN SCI INSTR

Bionic mist catching net and construction method and application thereof

The invention relates to a bionic mist catching net material and a construction method and application thereof, and belongs to the field of air water collecting materials. The bionic mist catching net is a thermoplastic polymer fiber net, and radiation refrigeration particles are blended in fibers of the fiber net; and the part coated with the hydrophobic micro-nano coating and the part not coated with the hydrophobic micro-nano coating on the surface of the fiber net are alternately distributed. The radiation refrigeration particles are introduced into the bionic mist catching net material, and the hydrophobic coating is distributed on the surface of the bionic mist catching net material, so that the light reflectivity and the intermediate infrared emissivity are improved, and the radiation refrigeration efficiency is improved. Besides, the surface hydrophobic coating part forms a super-hydrophobic area, fog drops are promoted to be quickly coalesced into beads after collision, energy dissipation caused by spreading of a liquid film is reduced, the fiber substrate without the coating is kept hydrophilic, a heterogeneous wetting surface is formed, Laplace pressure difference is generated by surface energy difference at a hydrophilic-super-hydrophobic interface, and the super-hydrophobic surface is formed. The spontaneous migration of liquid drops from a super-hydrophobic region to a hydrophilic region is accelerated, and the water collection efficiency is remarkably improved.
Owner:HUAZHONG UNIV OF SCI & TECH

Greenhouse intelligent irrigation system for taking water from air

The invention discloses an intelligent greenhouse irrigation system taking water from air, which belongs to the field of agricultural engineering and intelligent control and comprises a greenhouse main body, a flow guide device, a photovoltaic module, a storage battery, a multi-source sensor, a digital twinborn module, an irrigation decision module, an intelligent execution module, a visual management platform and an ecological collaboration module. The greenhouse main body realizes cooling and condensed water collection by utilizing a surface functional coating, and water is guided into the water cellar through the flow guide device; the photovoltaic system cooperates with the phase-change material to realize power generation, heat storage and temperature compensation; the digital twinborn module is fused with multi-source data to construct a virtual model, and crop water demand and environment change are predicted; the irrigation decision module formulates an optimization strategy according to the water volume, the electric quantity and the prediction result; the intelligent execution module accurately controls irrigation and feeds back and adjusts in real time; and the ecological cooperation module is linked with regional environment data to realize overall management of greenhouse water consumption and ecological protection. According to the system, cooperative utilization of water resources and energy is achieved, and irrigation intellectualization is improved.
Owner:JIMEI UNIV

Ozone micro air floatation equipment and combined system overflow pollution treatment method

The invention provides ozone micro-fine air flotation equipment and a combined system overflow pollution treatment method, and relates to the field of sewage treatment.The main body equipment comprises a water pump, an ozone generator, an ozone booster pump, a dissolved air pipe type micro-bubble generator, a vertical shallow air cyclone flotation tank and an ozone tail gas destructor; the dissolved gas pipe type micro-bubble generator comprises a dissolved gas pipe, a conical-hopper-shaped hollow inner cylinder fixed in the dissolved gas pipe and a dissolved gas releaser, and the ozone generator is communicated with a gas phase inlet of the dissolved gas pipe through an ozone booster pump; an outer ring cavity is formed between the conical-hopper-shaped hollow inner cylinder and the inner wall of the gas dissolving pipe, a gas dissolving water outlet is formed in the bottom of the gas dissolving pipe, and the gas dissolving water outlet is communicated with the vertical shallow cyclone floating tank through a gas dissolving releaser. The vertical shallow-layer cyclone floating tank is composed of a tangential water inlet, a hollow inner cylinder, a shallow-layer inclined plate, a sludge discharge port, a water discharge port, an exhaust port and a slag discharge port. The device can improve the ozone dissolved gas mass transfer efficiency, realizes rapid and efficient sewage treatment, and has the advantages of convenience in operation and small occupied area.
Owner:BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY

Bubble spraying device

The utility model discloses a foam spraying device which comprises a water inlet pipe, a water outlet pipe, a first peristaltic pump, a foaming air pump, an ozone generator, an air water mixer and an ozone water mixer, the water inlet pipe is connected with the water outlet pipe through a first flow channel and a second flow channel, and the output end of the first peristaltic pump is communicated with the first flow channel; the output end of the foaming air pump is communicated with the first flow channel through the air water mixer, the foaming air pump is arranged behind the first peristaltic pump along the first flow channel, the output end of the ozone generator is communicated with the second flow channel through the ozone water mixer, and the water inlet pipe is connected with the head end of the first flow channel and the head end of the second flow channel through the flow channel switcher; the ozone water mixer is a venturi tube, the venturi tube is provided with a negative pressure tapping tube, and the negative pressure tapping tube is communicated with the output end of the ozone generator. The bubble spraying device is rich in function and suitable for occasions where people take a bath and clean pets.
Owner:GUANGDONG SHUNDE LVAI ELECTRICAL TECH CO LTD

Biomass-source-based temperature-sensitive core-shell moisture absorption microsphere and preparation method thereof

The invention belongs to the field of functional polymer materials, and particularly relates to a temperature-sensitive core-shell moisture absorption microsphere based on a biomass source and a preparation method. The preparation method comprises the following steps: dissolving methyl cellulose in water to prepare a solution A; dissolving calcium lactate and LiCl in water according to a mass ratio of 1: (2-14) to prepare a solution B; uniformly mixing the two to obtain functionalized core liquid; and dropwise adding the core liquid into a sodium alginate coagulating bath to carry out ionic cross-linking reaction to form gel microspheres, and washing and freeze-drying to obtain the product. According to the invention, a stable structure with moisture absorption salt / temperature-sensitive methyl cellulose as a core and calcium alginate gel as a shell is constructed in one step through a reverse instillation molding technology. The structure can effectively prevent moisture absorption salt from leaking, efficient release of moisture can be achieved at the low temperature by means of the temperature-sensitive characteristic of methyl cellulose, and desorption energy consumption for taking water from air is remarkably reduced. The raw materials are green, the process is simple, and the prepared microspheres are good in moisture absorption performance, high in cycling stability and suitable for atmospheric moisture collection.
Owner:ZHEJIANG TIANXINGJIAN WATER SERVICE CO LTD

Desert intelligent water taking ecological restoration and comprehensive security system

The invention discloses a desert intelligent water taking ecological restoration and comprehensive security system, and belongs to the technical field of desert ecological restoration and comprehensive protection, the system comprises an energy supply subsystem, an air water taking subsystem, an intelligent irrigation subsystem, a comprehensive protection subsystem and a central control subsystem, the subsystems are interconnected through pipelines, circuits and communication lines, and core components are all installed on a support. The energy supply subsystem adopts wind-solar complementary power supply and is provided with a comprehensive controller and a storage battery to realize stable energy storage; the air water taking subsystem is used for efficiently taking water through three-stage precooling and compression condensation; the intelligent irrigation subsystem realizes vegetation irrigation and emergency drinking water quality-divided supply; the comprehensive protection subsystem comprises a camera and an emergency operation unit, and monitoring and personnel safety are guaranteed; the central control subsystem (Internet of Things) realizes intelligent linkage of the subsystems. The system can autonomously supply energy and water, is high in function integration level and strong in extreme environment resistance, can meet the requirements of desert ecological restoration and comprehensive security and protection, and reduces the operation and maintenance cost.
Owner:姜进田

Dehumidifier regeneration type air water taking system based on mechanical vapor recompression

The invention provides a mechanical vapor recompression-based dehumidizer regeneration type air water taking system, which comprises a moisture absorption unit, which comprises a gas-liquid contact reaction device, and is used for enabling a dehumidizer solution to be in full contact with air for mass transfer and heat transfer, and enabling the dehumidizer solution to absorb moisture in the air so as to be diluted; the mechanical vapor recompression evaporator comprises an evaporator and a compressor, the evaporator comprises a dilute solution inlet, a concentrated solution outlet, a vapor outlet, a vapor inlet and a condensed water outlet, the evaporator comprises a dehumidizer channel capable of containing a dehumidizer solution, and the dilute solution inlet and the concentrated solution outlet are connected to the moisture absorption unit; the dilute solution inlet is used for receiving the diluted desiccant solution, the concentrated solution outlet is used for leading the evaporated and concentrated desiccant solution to the moisture absorption unit, the compressor comprises a compressor inlet and a compressor outlet, the compressor inlet is connected to the steam outlet, and the compressor outlet is connected to the steam inlet.
Owner:SUN YAT SEN UNIV

System and method of clearing clogs in a plumbing environment

The invention is a waste line monitoring system that detects developing blockages and provides automated responses including cleaning, testing, and data collection. The monitoring system includes sensors positioned to detect flow restrictions, processing unit with software to analyze conditions, and automated response capabilities. When blockages are detected, the system can activate cleaning through a manifold with hot water distribution to outlet lines connected to fixtures. The system also provides testing capabilities using air / water pressurization with pressure monitoring, and collects performance data including clog frequency, severity, and response times for building assessment and problem area identification.
Owner:KOERNER TIM

Active grille shutter

The present disclosure provides an active grille shutter. The active grille shutter comprises: a frame; a driving shaft, pivotably connected to the frame; blades, directly or indirectly fixed to the driving shaft to be driven by the driving shaft to move between open positions and closed positions; and at least one self-locking mechanism disposed on the frame and having a locked position and an unlocked position, wherein the self-locking mechanism is capable of locking the positions of the blades when the self-locking mechanism is in the locked position, and the blades are capable of being driven to open when the self-locking mechanism is in the unlocked position. In the present disclosure, by means of the above design, when the blades are in the closed positions, power transmission between a driving device and the blades can be effectively blocked, and the load on the closed blades is borne only by the structure of the self-locking mechanism, thereby transferring external force applied to the blades by air, water pressure and / or gravel in uncontrollable external environments to a non-driving component, and thus effectively protecting the driving device and avoiding problems such as stress concentration and fatigue damage.
Owner:GUANGZHOU VALEO ENGINE COOLING CO LTD

Active air inlet grille

The invention provides an active air inlet grille. The active air-inlet grille includes: a frame; a drive shaft pivotally connected to the frame; the blade is directly or indirectly fixed to the driving shaft so as to move between an opening position and a closing position under the driving of the driving shaft; the at least one self-locking mechanism is arranged on the frame and comprises a locking position and an unlocking position, and when the self-locking mechanism is located at the locking position, the self-locking mechanism can lock the position of the blade; when the self-locking mechanism is located at the unlocking position, the blades can be driven to be opened. Through the design, power transmission between the driving device and the blade can be effectively blocked when the blade is located at the closing position, the load for closing the blade is borne only through the structure of the self-locking mechanism, so that external force acting on the blade by uncontrollable external environments such as air, water pressure and / or broken stone is transferred to a non-driving part, and the blade is prevented from being damaged. Therefore, the driving device is effectively protected, and the problems of stress concentration, fatigue damage and the like are avoided.
Owner:GUANGZHOU VALEO ENGINE COOLING CO LTD

Air lubrication of a hull of a vessel

An air lubrication system (100) for a hull of a vessel comprises: a plurality of fluid outlets (22, 24) for mounting on the hull; at least one water inlet (32, 33); at least one ambient air inlet (52); and a controller (80). The air lubrication system (100) is configured to deliver an output fluid from the plurality of fluid outlets (22, 24), wherein the output fluid is an air and water mixture having an air to water ratio. The controller (80) is configured to control the air to water ratio of the output fluid delivered by the plurality of fluid outlets. The controller comprises an operating state in which the air to water ratio of the output fluid is non-uniform across the plurality of fluid outlets (22, 24).
Owner:ARMADA TECH LTD

Portable wearable air water generator capable of recovering humidity of human body

The invention belongs to the technical field of air water production equipment, and provides a portable wearable air water production machine capable of recovering human body humidity, a machine body comprises a rectification bin and a water tank which are arranged up and down, two wearable straps are fixed on the side surface of the machine body, a power supply bin is arranged on the side surface of the water tank, and the rectification bin communicates with the water tank through a water through hole; a semiconductor refrigeration device is installed in the rectification bin, the two ends of the upper side of the rectification bin are each communicated with an air inlet pipe, adsorption pipes are installed at the outer ends of the air inlet pipes, micron-level array adsorption holes are distributed in the surfaces of the adsorption pipes, and an air outlet is formed in the middle of the upper side of the rectification bin; and a water outlet switch is mounted at the lower end of the water outlet. The semiconductor refrigeration technology and the human body temperature and humidity recovery technology are combined, drinkable water can be produced more efficiently, the weight is light, noise is low, energy consumption is low, refrigeration is rapid, and no pressure container and no potential safety hazard exist; the device is small and exquisite in structure and convenient to carry and can be easily carried by adults.
Owner:MARVEL (BEIJING) NEW ENERGY TECH CO LTD

Device for extracting water from air in plateau dry area

The invention discloses a device for extracting water from air in a plateau dry area, and relates to the technical field of extracting water from air. The partition plate is arranged in the shell and divides the interior of the shell into a desorption chamber and a water collection chamber; the adsorption bed layer is arranged in the water collection chamber and is used for adsorbing moisture in the air; the solar light-transmitting cover plate covers the top of the shell; the interior of the shell is divided into a desorption chamber and a water collection chamber through the partition plate, the adsorption bed layer is arranged in the water collection chamber and used for adsorbing moisture in air, the solar heat collection plate is arranged in the desorption chamber and used for absorbing solar radiation energy, and the heat conduction fins are connected with the solar heat collection plate and the adsorption bed layer and used for transferring heat. The radiation refrigeration plate is arranged on the outer wall of the shell and connected with the condensation cone for providing a cold source, the condensation cone is arranged in the desorption cavity for condensing water vapor, and the water collection tank is arranged below the condensation cone and communicated with the water collection cavity through a water guide pipe for collecting and conveying condensate water.
Owner:吴伟雄

Engine cylinder block and engine

The utility model discloses an engine cylinder body and an engine, the engine cylinder body is provided with two groups of cylinder structures, and the two groups of cylinder structures are distributed in a V shape and jointly define a V-shaped space; the side face, facing the interior of the V-shaped space, of the air cylinder structure of the engine cylinder body is provided with a warm air water channel, the warm air water channel is arranged in a protruding mode facing the interior of the V-shaped space, the warm air water channel is provided with a warm air water inlet pipe connector, and the warm air water inlet pipe connector is used for being communicated with a warm air water tank. According to the engine cylinder block, the warm air water channel is arranged on the side face, facing the interior of the V-shaped space, of the air cylinder structure, the warm air water channel protrudes towards the interior of the V-shaped space, the warm air water channel can be arranged in the V-shaped space, extra arrangement space provided for the warm air water channel can be reduced, the structure of the engine cylinder block can be made to be compact, and the engine cylinder block is convenient to assemble and disassemble. The size of the engine can be reduced by reducing the size of the engine cylinder, and the engine can be conveniently arranged on a vehicle.
Owner:GREAT WALL MOTOR CO LTD

Combined type evaporative cooling machine

The invention relates to a composite evaporative cooling machine, which combines a wet curtain with a heat exchanger to form an indirect-direct evaporative cooling composite air conditioner. The volume of the main engine body of the cooling system is set according to the volume of a cooling place to be controlled, and the main engine body is of a square structure in order to make the air inlet amounts of air inlet in all directions greatly equal. In order to improve the heat exchange efficiency, the thickness of the surface air cooler, the thickness of the wet curtain and the distance between the surface air cooler and the wet curtain are determined, and therefore enough collection space is reserved in the middle of the machine body. The evaporative cooling system can operate under multiple working conditions: when the temperature is high in summer, outdoor air firstly passes through the air-water finned tube type heat exchanger to be subjected to dry cooling and then is in direct contact with spraying water to be cooled, and due to the fact that water from a water inlet pipe comes from the outside due to natural fall, the cooling effect is good; and the water flows through the water inlet branch pipe and the water outlet branch pipe in the surface air cooler through natural fall, so that the power of the water pump is greatly saved, and the efficiency is greatly improved.
Owner:GUANGDONG SYMPHONY KERUILAI AIR COOLERS CO LTD

Media holding plate for block-type culvert system

A medium-retaining plate for a drainage system is provided, having one or more filter blocks. The plate may include a first slot configured to allow air passage and a second slot configured to allow water passage during air backwashing. The medium-retaining plate is configured to facilitate backflow of water into one or more filter blocks through the second slot while maintaining airflow through the first slot to generate optimal collapse pulses. The first and second slots are of uniform size and evenly spaced to facilitate the generation of relatively small collapse pulses during continuous air-water backwashing. Multiple inserts may be arranged around the base of the bottom surface of the medium-retaining plate. The inserts improve the structural integrity of the medium-retaining plate and prevent the medium-retaining plate from lifting.
Owner:DE NORA WATER TECHNOLOGIES LLC

An integrated foam dust removal device matched with a high-pressure air water system of a fully-mechanized coal mining machine

This invention relates to the technical field of tunneling equipment, and discloses an integrated foam dust removal device adapted to the high-pressure air and water system of a tunneling machine. The device includes a high-temperature resistant vent pipe and a high-pressure resistant water supply pipe, a foam agent storage tank connected to the outer ends of the high-temperature resistant vent pipe and the high-pressure resistant water supply pipe respectively, a foam agent mixer connected to the inner cavity of the foam agent storage tank, a foaming tank connected to the other end of the foam agent mixer, a metal wire mesh fixedly connected to the inner wall of the foaming tank, and a foam guide bridge connected to the side of the foaming tank away from the foam agent mixer. By setting a throttling mechanism, this invention can not only automatically control the rotation of the baffle plate and adjust the internal channel area of ​​the foam guide bridge to balance the foam flow rate when the pressure of the external water supply pipeline increases, causing a sudden increase in the foam flow rate within the foam guide bridge, but also, during the rotation of the baffle plate, through the cooperation of multi-faceted cams, protrusions, and tension springs, dampen the rotation of the crossbar, preventing secondary foam breakage caused by high-speed impact during the movement of the baffle plate.
Owner:ZHENGMEIJI ZHIDING HYDRAULIC CO LTD

A heating pipeline of a warm air water tank

The utility model discloses a kind of warm air water tank heating pipeline, belong to automobile technical field.It solves the problem of slow heating speed of new energy vehicle in prior art.It mainly includes PTC water tank heating circuit and battery cooling circuit;PTC heater, first water pump, second three-way valve, third three-way valve, warm air water tank and first temperature sensor are arranged in the PTC water tank heating circuit, heat exchanger, battery cooling water tank, second water pump, battery, first three-way valve and second temperature sensor are arranged in the battery cooling circuit, battery cooling circuit is connected first three-way valve by eighth branch pipe at battery one end, first three-way valve is connected battery cooling water tank and warm air water tank by first branch pipe and second branch pipe respectively, the warm air water tank and battery cooling water tank are connected second three-way valve by third branch pipe and fourth branch pipe respectively, the third three-way valve is connected warm air water tank and battery cooling water tank by fifth branch pipe and sixth branch pipe respectively.
Owner:BEIJING AUTOMOBILE WORKS CO LTD

Automatically-adjusted adhesive tape packaging machine

The invention relates to the field of adhesive tape packaging, in particular to an automatically-adjusted adhesive tape packaging machine which comprises a base. The device further comprises a workbench and the like. The base is fixedly connected with a workbench; a rectangular groove is formed in the workbench; the workbench is connected with a driving assembly used for driving the foam box to rotate. The driving assembly is connected with a mounting plate; the mounting plate is rotationally connected with a rotating rod; the rotating rod is sleeved with an adhesive tape body; and the mounting plate is fixedly connected with a cutter. An electric push rod I is controlled to enable a driving motor to drive a mounting plate and parts connected with the mounting plate to move towards the side close to a foam box body until the end of an adhesive tape body makes contact with the foam box body, and then an electric push rod II is controlled to drive a pressing plate to move towards the side close to the foam box body; and the situation that the end of the adhesive tape body is not firmly bonded to the surface of the foam box initially due to the fact that small water drops formed by condensing air and water vapor exist on the surface of the foam box initially is avoided.
Owner:JIANGSU RONGQI PHOTOELECTRIC MATERIAL TECH CO LTD

Full-humidity air water generator of rotating wheel adsorption coupling heat pump

The invention discloses a full-humidity air water generator of a rotating wheel adsorption coupling heat pump. The full-humidity air water generator comprises a heat pump unit, a moisture absorption rotating wheel unit and a condensate water aftertreatment unit. The moisture absorption rotating wheel unit is used for absorbing moisture under low humidity. And the heat pump unit is coupled with the moisture absorption rotating wheel unit and is used for directly condensing outside air under high humidity to produce water and condensing high-temperature moisture desorbed by the moisture absorption rotating wheel unit under low humidity to produce water. And the condensate water post-treatment unit is used for removing VOCs, microorganisms, heavy metals and ions in the produced water. The full-humidity air water making machine of the rotating wheel adsorption coupling heat pump can efficiently and continuously produce water in a full-humidity environment, the energy consumption of making water from air is reduced, and the water making efficiency is improved.
Owner:SUN YAT SEN UNIV

Sewage treatment device for environmental pollution treatment

The invention provides a sewage treatment device for environmental pollution treatment, and belongs to the technical field of sewage treatment.The sewage treatment device comprises a box body, a sewage inlet is fixedly connected to the box body, an air flotation assembly is arranged on the box body and comprises a water pump and a dissolved air tank which are fixedly connected to the side wall of the box body, and an air bag type pressure tank and a water inlet pipe are fixedly connected to the side wall of the box body; a plurality of dissolved air water pipes are fixedly connected to the inner side wall of the box body, dispersion pipes are arranged at the bottom ends of the dissolved air water pipes, ball valves are arranged on pipelines between the dissolved air tank and the dissolved air water pipes, and the scraper assembly is arranged at the top of the box body and used for scraping floating objects; and the spraying assembly is arranged at the top of the box body, and the spraying assembly is used for removing dirt on the scraping plate assembly. According to the invention, pressurized water stored in the air bag type pressure tank flushes the flexible scraping plate passing through the position, surface attachments of the flexible scraping plate are removed, and the flexible scraping plate directly falls on the step of the water level plate, so that dirt is prevented from returning to a sewage area along with the scraping plate to cause settlement.
Owner:SUZHOU MEIMIAO ENVIRONMENTAL PROTECTION TECH CO LTD

Evaporative cooling type nitrogen cooling device for underground coal mine

The invention discloses an evaporative cooling type nitrogen cooling device for an underground coal mine, and belongs to the technical field of cooling devices. A cooling system and an air flow and spraying system are arranged in the device shell; the cooling system comprises an evaporative condenser, a screw type refrigeration compressor, an oil separator, a liquid storage device, a shell-and-tube evaporator and a three-phase asynchronous motor, the three-phase asynchronous motor is connected with the screw type refrigeration compressor, the screw type refrigeration compressor is connected with the oil separator, the oil separator is connected with the evaporative condenser, the evaporative condenser is connected with the liquid storage device, and the liquid storage device is connected with the shell-and-tube evaporator. The liquid storage device is connected with the shell-and-tube evaporator, and the shell-and-tube evaporator is connected with the screw refrigeration compressor; the air flow and spraying system comprises a mining fan, a mining water pump, a spraying water tank and a spraying pipe, the spraying water tank is connected with the mining water pump, the mining water pump is connected with the spraying pipe, and an air blowing opening of the mining fan is aligned with the evaporative condenser. The defect of independent heat removal of air and water flow is overcome, coupling sufficient heat exchange is achieved, and stable operation of a unit is guaranteed.
Owner:CHINA COAL TECH & ENG GRP SHENYANG ENG CO

Flexible actuator and preparation method thereof

The invention discloses a flexible actuator and a preparation method thereof. And combining the hydrogel film with the inverse opal photonic crystal structure with PDMS (Polydimethylsiloxane) to prepare the hydrogel stent actuator capable of treating cervical stenosis. The contact angle of the prepared hydrogel film with the inverse opal photonic crystal structure can reach 90 degrees or below, and the hydrogel film has strong affinity to water on a super-hydrophobic surface. Due to the super-hydrophobicity, the thin film can be tightly attached to an air-water interface while keeping self stable floating. The cervical stent disclosed by the invention has controllable adhesiveness, adjustable form, stimulation responsiveness and drug release property, the stent can be retained at the cervical part, and the application potential of the cervical stent in the aspect of treating cervical stenosis is shown.
Owner:WUXI GUANGYUXI TECH CO LTD

System for adjusting humidity levels within an environment

An indoor air quality system is configured to improve indoor air quality conditions within a local environment of a building. The indoor air quality system operates according to a method that includes obtaining indoor air levels and operating one or more appliances to adjust the indoor air levels. The system includes one or more monitoring devices.
Owner:OVERTURE JV LLC

Air conditioning method and device with internal air water circulation passive cooling function

The invention relates to the technical field of air conditioners, in particular to an air conditioning device with internal air water circulation passive cooling, which comprises an air conditioner, the air conditioner comprises an indoor unit, an outdoor unit and a connecting pipeline, the outer wall of the connecting pipeline is provided with a circulation mechanism, and the outer wall of the indoor unit is provided with a passive cooling mechanism; the circulating mechanism comprises a flow guide pipe fixedly connected into the condensation pipe in the connecting pipeline, a filtering tank is fixedly connected to the end, away from the connecting pipeline, of the outer wall of the flow guide pipe, and a piston plate is slidably connected into the filtering tank. The indoor humidity is relatively low, and the requirements of a user cannot be met.
Owner:邢纪锋

Solar air water taking device for rapid farmland irrigation

The utility model discloses a solar energy air water taking device used for rapid farmland irrigation, which comprises an air water taking module and a solar energy power generation module arranged on the top of the air water taking module, the air water taking module comprises a water storage tank, and a plurality of adsorption pipes used for evaporating and adsorbing water are arranged on the top of the water storage tank. An arc-shaped condensation plate is arranged above the adsorption pipe and covers the adsorption pipe, and the water outlet end of the condensation plate is communicated with the water storage tank through a collection pipe; a double-sided solar photovoltaic power generation panel is arranged above the condensation plate, the double-sided solar photovoltaic power generation panel is matched to form a hollow pyramid which is concentric and coaxial with the water storage tank and provided with an opening in the bottom, the center positions of the side edges of the bottom of the pyramid are in supporting fit with the top of the water storage tank through steel pipes, and filter plates are detachably fixed to the outer sides of the steel pipes; the bottom side of the pyramid and the corresponding side of the water storage tank are covered by the filter plate, and external air is in contact with the adsorption pipe after dust is filtered by the filter plate, so that energy is saved, and water quality is improved.
Owner:CHINA THREE GORGES UNIV