837 results about "Air water" patented technology

The invention provides an air water production intelligent prediction and adjustment method and system based on meteorological big data, and relates to the technical field of air water production, and the method comprises the steps: collecting data through a meteorological sensor, constructing an enhanced feature space, fusing multi-domain knowledge through a migration cross-domain learning network, and predicting the water production through combining with a deep neural network. A control strategy is generated based on a deep reinforcement learning model, optimal control parameters are selected through multi-target Bayesian optimization and a dynamic decision algorithm, the air water production amount can be accurately predicted, intelligent adjustment is achieved, the water production efficiency is improved, energy consumption is reduced, and high environmental adaptability and robustness are achieved.

The invention provides a device and a method for extracting water from air operated under all working conditions. The device comprises a solar power supply unit, a salt-carrying hydrogel adsorption-desorption unit, an electric heating desorption unit, a water vapor condensation and collection unit and a PID control unit. The solar power supply system comprises a solar photovoltaic panel, an MPPT (maximum power point tracking) type photovoltaic inverter and a storage battery, the salt-carrying hydrogel adsorption-desorption unit comprises hydrophilic porous hydrogel and a LiCl / CaCl2 composite adsorption material, and the electric heating desorption unit comprises a copper heat-conducting plate loaded with the adsorption material and an electric heating sheet. The water vapor condensation and collection unit is composed of four finned radiators and two semiconductor chilling plates. The PID control unit is composed of a temperature and humidity sensor and a control circuit, wherein the temperature and humidity sensor is connected to the radiators and the front side of the adsorption bed. Water vapor in the environment is enriched through an efficient salt-loaded adsorbent packed bed, desorption is driven in two modes of solar photo-thermal and electric heating, desorbed high-humidity airflow passes through a fin type cooling fin connected with a semiconductor and then is condensed into liquid water, and the process of taking water from air is completed through a collector below. According to the device, low-energy-consumption air water taking under the humidity of 15%-100% can be achieved by controlling the operation time of all the units, the device is portable and compact, the automation degree is high, and high-water-yield air water taking is achieved by using solar photo-thermal and power generation as energy input.

The invention belongs to the technical field of hydrophilic gel and water extraction from air, and particularly relates to surface-hydrophobic core-shell structure composite moisture absorption hydrogel and a preparation method and application thereof.The preparation method specifically comprises the steps that hydrophilic gel loaded with moisture absorption salt is placed in a hydrophobic polymer solution, and a phase inversion method is used for preparing the core-shell structure composite moisture absorption hydrogel; a porous hydrophobic polymer shell layer is loaded on the surface of the hydrophilic gel, so that the composite moisture absorption hydrogel with the moisture absorption salt loaded hydrophilic gel as a core layer and the porous hydrophobic polymer as the shell layer is obtained, and the prepared composite moisture absorption hydrogel can prevent leakage of the moisture absorption salt and is high in water absorption performance, good in long-term use stability and simple in preparation method. The prepared composite moisture absorption hydrogel can be widely applied to the fields of air water taking, humidity control and agricultural moisturizing.

The invention discloses a high-power offshore semi-direct-drive permanent magnet wind driven generator cooling system which comprises an outer stator and an inner rotor, the outer stator comprises a motor base, a stator iron core and a stator winding assembled on the stator iron core are installed in the motor base, and an air-water cooler is installed on the upper portion of the motor base. A flow guide plate is arranged in the air-water cooler, a heat dissipation core body is installed at the position, located at the bottom of the flow guide plate, in the air-water cooler, and the flow guide plate is used for enabling hot air exhausted out of the motor to pass through the heat dissipation core body to form a plurality of parallel air paths in the air-water cooler. And the plurality of air paths connected in parallel respectively perform cold and heat exchange with the interior of the motor so as to reduce the air resistance in the motor and the air-water cooler. The cooling system has the characteristic of low wind resistance, the power of the air cooling driving motor used by the cooling system can be reduced, the cost of the cooling system is reduced, and the heat dissipation efficiency is improved.

The invention relates to the technical field of outdoor water source exploration, in particular to a reservoir water conservancy monitoring system based on a multi-sensor fusion technology. The method comprises the following steps: firstly, collecting and processing reservoir water conservancy survey data of a reservoir through various sensors, wherein the reservoir water conservancy survey data comprises water source parameter survey data and reservoir structure survey data; hydrological changes of reservoir water conservancy and stress changes, pressure changes and vibration strain changes of a reservoir structure are comprehensively analyzed from the three angles of statistical characteristics, time sequence characteristics and spatial characteristics, and flood situation evaluation indexes of different dimensions are obtained; and finally outputting flood early warning information according to an analysis result. According to the invention, through multi-point survey of hydrological and structural changes of the reservoir structure, the safety monitoring precision of water conservancy of the reservoir in the flood season is improved, and real-time and intelligent risk early warning and decision support are provided for safety survey management of an open-air water source.

Embodiments are directed to perceiving scene features using event sensors and image sensors. Enclosures mounted may be on structures arranged to establish a boundary where each enclosure includes an event camera, a beam generator, or a frame camera. The beam generators may be employed to scan paths across objects in a scene that may be outside the boundary. Events may be determined based on detection of beam reflections corresponding to the objects. Trajectories associated with the objects may be determined based on the paths and the events. Objects that may be authorized may be determined based on trajectories associated with authorized objects. Objects in the scene that may be unauthorized may be determined based on trajectories associated with the unauthorized objects. A representation of the unauthorized objects may be determined such that a position and an orientation of the unauthorized objects in the scene may be based on the trajectories.

The invention provides a photovoltaic power generation and air water taking irrigation system, comprising: a photovoltaic power generation module for generating electric energy by using light energy; the gel adsorption module is connected with the photovoltaic power generation module and is used for adsorbing water vapor in air by using gel and driving the gel to desorb and release the water vapor by using waste heat generated by the photovoltaic power generation module; the condensation water collection module is connected with the gel adsorption module and is used for condensing the water vapor to obtain condensed water; the crop irrigation module is connected with the condensation water collection module and is used for irrigating crops by utilizing the collected condensate water; the soil detection module is connected with the crop irrigation module and used for controlling irrigation according to the detected crop root system soil humidity, collaborative production of water, electricity and crops can be achieved under the condition that no external input exists in the island reef environment, and the problems that in the island reef environment, fresh water is in shortage, electricity is insufficient, and self-sufficiency of agricultural production is difficult are solved.

The invention relates to the technical field of water level monitoring, in particular to a distance detection method and system of a water level sensor, a medium and equipment. The scheme comprises the following steps: arranging a non-contact distance capacitance change detection structure; calculating the equivalent volume value of the cross-air water level; setting a reference capacitance value according to the change condition of the equivalent capacitance value; setting the change relation between the height change of water and the equivalent capacitance through linear fitting according to the reference capacitance value; according to the change relation between the water height change and the equivalent capacitance, the equivalent capacitance is collected in real time, and the water level height is obtained through calculation; and according to the water level height, displaying the currently acquired water level acquisition value in real time. According to the scheme, a water level non-contact measurement method and a calculation method are designed, and online water level detection and display are achieved.

The invention provides an adsorption type air water taking system and method based on solar energy driving, and relates to the technical field of water vapor separation. The system comprises a solar module; a storage battery; an adsorption bed; the electric heater is electrically connected with the storage battery and is used for heating the adsorption bed to obtain water vapor; the condensation chamber comprises a gas inlet end and is used for condensing the water vapor so as to convert the water vapor into liquid water; the semiconductor refrigerator is electrically connected with the storage battery and used for condensing air in the condensation chamber to obtain liquid water; a water collector; the humidity sensor is arranged on the conveying pipeline between the adsorption bed and the condenser and is used for detecting the humidity of gas in the conveying pipeline; and when the humidity of the gas in the conveying pipeline is smaller than a preset humidity threshold value, the storage battery stops supplying power to the electric heater. According to the technical scheme, the efficiency and stability of the adsorption type air water taking process based on solar energy driving can be improved.

The invention relates to the field of water production systems, and discloses floor type air water production equipment which comprises a multi-stage energy sensing module, an energy budget core module, a dynamic energy distribution module, a water production switching module and an energy optimization closed-loop module. The multi-stage energy sensing module is used for collecting data information of solar input power, battery charge state, environment temperature and environment humidity in real time; the energy budgeting core module calculates current available energy and predicts available energy in a future short period in real time, and deduces an energy trend based on a calculation result; a hierarchical energy management module used for executing a hierarchical energy management strategy according to the budgeting result of the energy budgeting core module; the water production switching module comprises a plurality of water production working modes, and each water production working mode corresponds to different energy consumption and water production efficiency; the energy optimization closed-loop module adjusts the dynamic energy distribution module and the energy budgeting core module; the device can continuously and efficiently work even in a low-light or extreme environment.

The utility model discloses a gas-liquid shunting device which comprises an obliquely arranged guide plate, a plurality of through holes penetrating through the guide plate are formed in the guide plate, the through holes are obliquely arranged, the high ends of the through holes are located on one side of the high end of the guide plate, and the low ends of the through holes face one side of the low end of the guide plate. The utility model has the advantages of novel structure and strong practicability. By means of the gas-liquid flow dividing device, hot air can be rapidly cooled, condensed water is separated from hot air water, the condensed water is collected, and after a certain amount of water is collected, the condensed water is reasonably discharged. The device is a special device for liquid-gas separation aiming at waste liquid contained in exhaust gas.

The invention discloses an oil-immersed transformer internal air pressure adjusting device and a control method thereof, and relates to the technical field of transformer operation control. A support body is inserted into a vibration box, a flow injection cavity is formed between a side plate of the vibration box and vertical plates, and a plurality of vibration metal sheets are movably inserted into the two vertical plates and a vibration frame. The vertical plate and the vibration frame are provided with circulation grooves located between the adjacent vibration metal sheets, and the vibration metal sheets are vertically provided with circulation holes located in the vibration cavity area. An electromagnetic mechanism is arranged at the top of the vibration box. A backflow pipe is installed between the bottom of the transformer oil immersion and the vibration box flow injection cavity. The top of the vibration box communicates with an air pipe which is connected with an air device arranged outside the transformer. Mixed gas components in an oil body can be effectively discharged, bubbles doped in the oil body of the transformer are reduced, and therefore the insulating strength of the transformer is improved, and safe operation of the transformer is guaranteed; impurities such as air and moisture are prevented from entering the transformer due to abnormal air pressure.

The utility model discloses off-grid light storage integrated air water production equipment, which comprises an off-grid light storage power supply system and an off-grid light storage water production system, the off-grid light storage power supply system comprises an electric control cabinet, the off-grid light storage water production system is arranged in the electric control cabinet, an energy storage lithium battery is arranged in the electric control cabinet, and the energy storage lithium battery is connected with the off-grid light storage water production system. A solar panel is arranged on one side of the electric control cabinet, a solar power generation controller is arranged on one side of the energy storage lithium battery, and the solar power generation controller is electrically connected with the solar panel and the energy storage lithium battery. The variable-frequency control system for the air water production equipment accurately controls the air water production equipment to work, and by monitoring the temperature and humidity inside and outside the water production equipment, analyzing the temperature and humidity and performing variable-frequency control on electrical equipment inside the off-grid light storage water production system, various electrical equipment can operate under the working condition at the optimal frequency, efficient and energy-saving water production is realized, and the service life of the air water production equipment is prolonged. And high-efficiency water production is realized.

The invention relates to the technical field of water pumping energy storage, in particular to a compressed air energy storage and water pumping energy storage combined energy storage power generation system which comprises a high-point reservoir, a water pumping generator set and a low-point reservoir which are sequentially communicated from high to low. The high-point reservoir naturally stores water; water in the high-point reservoir can downwards flow into the hydroelectric generating set for power generation according to gravity; water flowing through the hydroelectric generating set for power generation can flow into the low-point reservoir according to gravity; the water pumping unit can pump water in the low-point reservoir into the high-point reservoir; the device further comprises a plurality of water-gas co-containing tanks. Water and air are contained in the water-air co-containing tank at the same time; the altitude of the water-gas co-containing tank is the same as that of the water pumping generator set; the water-gas co-containing tank is communicated with the high-point reservoir and the water pumping generator set simultaneously; water in the high-point reservoir can downwards flow into the water-gas co-containing tank according to gravity and compress air in the water-gas co-containing tank; and water in the water-gas co-containing tank can flow into the hydroelectric generating set under the extrusion of the compressed air to generate power.

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.

The utility model provides a fluorine-containing wastewater treatment device, which relates to the field of fluorine-containing wastewater treatment, and comprises a box body and an air flotation device, the box body comprises a reaction zone, a dissolved air water zone, a separation zone, a clear water zone and a slag storage zone which are sequentially communicated, the top of the separation zone is provided with a slag scraping mechanism, and the bottom of the separation zone is provided with a settling zone; and the air flotation device comprises an air dissolving water pump, an air compressor and an air dissolving tank which are arranged outside the box body. The air flotation device for fluorine-containing wastewater treatment has the beneficial effects that after fluorine-containing wastewater enters the box body, most of flocs float to the water surface through the dissolved air water and are scraped into the slag storage area through the slag scraping mechanism, and a small part of flocs enter the sludge discharge hopper and are pumped away at regular intervals through the sludge pump, so that the treatment efficiency is greatly improved, the investment and the occupied area are saved, and the cost is reduced. The problems that the fluorine-containing wastewater treatment efficiency is low and the occupied space is large are solved.

The invention provides an air water-taking device based on temperature-sensitive hydrogel and semiconductor refrigeration and application thereof.The air water-taking device comprises a solar power supply module used for providing part of electric energy for the whole air water-taking device; the temperature-sensitive hydrogel adsorption bed is used for adsorbing the introduced high-humidity gas to obtain moisture; the semiconductor chilling plate provides low-temperature and high-temperature surfaces required by desorption and condensation at the same time; the desorption side is located on the heating side of the semiconductor chilling plate and connected with the fin type adsorption bed coated with the temperature-sensitive hydrogel, and the condensation chamber is located on the refrigeration side and used for condensing desorbed water vapor into liquid water and finally collecting the liquid water into the water storage tank. The desorption and condensation processes in the air water taking process can be achieved at the same time through cold energy and heat energy generated in the working process of the semiconductor chilling plate, the energy utilization efficiency in the air water taking process is greatly improved, and the device is suitable for providing stable water source supply for high-humidity areas such as hot and tropical islands and ocean vessels.

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.

The invention discloses an all-working-condition air water production unit, which belongs to the technical field of air water production, and comprises a high-humidity air inlet channel, a low-humidity air inlet channel, a channel switching device and a water production channel, and the high-humidity air inlet channel and the low-humidity air inlet channel are both communicated with the water production channel; air flowing out of the high-humidity air inlet channel or the low-humidity air inlet channel enters the water production channel so that the water production channel can produce water. According to the invention, the high-humidity operation mode or the low-humidity operation mode is automatically switched according to the air inlet humidity. A traditional unit can only operate under a single working condition. According to the invention, the optimal energy efficiency and water production rate can be kept in different environments.

The invention relates to the technical field of sewage treatment, in particular to an air floatation filter tank for sewage treatment, which comprises a treatment tank, a flocculation mechanism and a slag scraping mechanism are respectively arranged in the treatment tank, a first baffle is fixed at the bottom end in the treatment tank, and a second baffle is transversely and slidably connected to the bottom end in the treatment tank. Through the arrangement of the upper T-shaped groove, the lower T-shaped groove, the upper partition plate, the lower partition plate, the adjusting mechanism and other structures, when the concentration of sewage is moderate, the adjusting mechanism is controlled to open the upper partition plate and the lower partition plate in an air flotation contact area, the air flotation contact area is opened, the air flotation contact area is opened, and the air flotation contact area is opened; the opened upper partition plate and the opened lower partition plate can isolate the air flotation contact area into a continuous curve, and then passing sewage and bubbles generated by the air-dissolved water releaser can be discharged out of the air flotation contact area after passing through a plurality of curves, so that the mixing time of the sewage and the bubbles is prolonged, and the mixing time is adjusted under the condition that the sewage discharge speed is not reduced.

The invention relates to the technical field of sewage treatment, in particular to a plastic regeneration particle cleaning sewage treatment method and device.The method comprises the steps that the bubble volume stability of air-dissolved water is obtained through ray intensity data, and the floccule movement disorder of a target ultrasonic sensor at each detection moment is determined in combination with ultrasonic data; according to the flocculent response time interval of the flocculent detection moment when the adjacent ultrasonic sensor detects the floccules for the first time, the bubble horizontal diffusion obstruction of the target ultrasonic sensor is determined; determining the bubble volume damage rate of the target ultrasonic sensor at each flocculent detection moment according to the movement disorder of the floccules and the horizontal diffusion obstruction of the bubbles; the ultrasonic intensity rising obstruction is obtained by utilizing the ultrasonic data, and the scum layer formation stability of the target ultrasonic sensor is determined by combining the bubble volume damage rate; the scum layer is used for forming stability to adjust the diameter of bubbles in the air-dissolved water. According to the technical scheme, the sewage treatment effect and the sewage purification efficiency are improved.

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.

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.

The utility model provides an integrated water treatment device based on air floatation process coupling double-membrane filtration. The device comprises a coagulant feeding system, an air floatation system, a double-membrane filtration system and a cleaning system. The air flotation system comprises a mechanical flocculation tank, an air flotation tank and an air-dissolved water module, the double-membrane filtration system comprises an ultrafiltration membrane module and a nanofiltration membrane module, the coagulant adding system is arranged on a raw water pipeline at the water inlet end of the device and is connected with the raw water pipeline through a pipeline, and a water inlet of the air flotation system is connected with the raw water pipeline. And a water outlet of the air flotation system is connected with a water inlet of the double-membrane filtration system through a pipeline. The cleaning system further comprises a physical cleaning module and a chemical cleaning module. According to the utility model, pollutants in water can be effectively removed, the effluent of the equipment is ensured to meet the water quality requirement, and the device also has the advantages of high stability, high automation degree, strong impact load resistance and the like.

The utility model discloses a novel air passage detection device, which comprises a sensor outer cover, a sensor inner cover and a sensor outer cover, the air filtering cotton is arranged at the air inlet end of the front air channel and used for filtering air moisture and particle impurities; the sensor assembly is arranged at the gas outlet end of the front gas channel and used for detecting gas concentration and components; the sealing foam is arranged between the sensor outer cover and the sensor assembly in a filling manner and is used for enabling gas to enter the sensor assembly to prevent side leakage; the fan assembly comprises a rear air channel and is used for regulating and controlling the gas flow during preheating and working of the sensor assembly according to the gas concentration and sensitivity; the metal hose comprises a middle air passage and is used for adjusting a measurable range and a measurement angle; wherein the front air passage, the middle air passage and the rear air passage are sequentially communicated to form a detection air passage. According to the utility model, the measurable range and the measurement angle are adjusted, and the air moisture and particulate impurities are filtered by adopting the gas filtering cotton, so that the impact influence on the sensor during sampling is reduced.

The invention discloses a tunnel type evaporative condenser assembly and a water preparation method thereof, and relates to the technical field of air water preparation, the tunnel type evaporative condenser assembly comprises a pipe fitting, a first channel is arranged in the pipe fitting, the top and the bottom of the first channel are open, the top of the first channel is connected with a fan, the fan is used for blowing air into the first channel, an evaporator is arranged in the first channel, and the evaporator is connected with the first channel. Air enters the first channel and flows through the evaporator, the evaporator contains a refrigerant, the refrigerant refrigerates the air flowing through the evaporator, and water is liquefied to form liquid water. As the whole assembly adopts a tunnel-like form, the contact time and the total contact area of inflow air and the evaporator are increased, meanwhile, cooled air is blown to the condenser for heat dissipation, and the efficiency of condensing liquid water can be improved.

A swim training device includes: (a) a platform having a top side and a bottom side, and extending longitudinally from a leading edge to a trailing edge and extending laterally from a left edge to a right edge; and (b) a recess in the bottom side of the platform for providing a finger gripping region to assist with holding the platform when a swimmer's hands wrap the leading edge of the platform; (c) a chamber within the platform configured to be filled with air, water, or a combination of air and water to adjust a buoyancy of the swim training device; and (d) at least one port through the platform for accessing the chamber to adjust the buoyancy of the swim training device.

The present invention relates to the field of welding equipment, and specifically to an intelligent air water making machine component welding device, comprising a U-shaped seat, wherein the lower horizontal section of the U-shaped seat is longer than the upper horizontal section thereof, a clamping mechanism for clamping and rotating a condenser is arranged on the upper right side of the lower horizontal section of the U-shaped seat, and a welding mechanism for loading and welding pipelines is arranged on the upper part of the upper horizontal section of the U-shaped seat. The present invention adopts a limiting component to clamp and fix the condenser, and at the same time, the pipeline on the upper front side of the condenser is aligned to the coaxial position of the rotating cylinder by the alignment component, so that the active roller can weld the two ends of the pipeline on the condenser by rotating the rotating cylinder without rotating the U-shaped tube, thereby saving the alignment operation, avoiding the alignment error, ensuring the welding effect, reducing the alignment time, and improving the welding efficiency.

This invention removes air moisture from inside a hot food container by first straightening the convection air flow rising above hot food, and second redirecting the rising air at a sharp turn, forcing the momentum of the heavier water-laden air to continue a straight trajectory into an absorbent pad or similar material, where the water from the air collides with the absorbent surface and is trapped. In this way, the invention extracts water from the air, before it can condense on food, thereby preventing the food to from becoming soggy.The invention is embodied in a food storage comprising four principal elements: (a) a housing for enclosing hot food, (b) a plurality of parallel passageways mounted inside the housing, (c) an absorbent layer positioned above the plurality of parallel passageways, and (d) a gap between the plurality of parallel passageways and the absorbent layer.

The utility model relates to a portable water trapping device based on MOFs (Metal-Organic Frameworks). The portable water trapping device comprises a main shell, and an air inlet and an air inlet fan are arranged at the top of the side surface of the main shell; an HEPA (High Efficiency Particulate Air) filter screen and an activated carbon air filtering module are arranged below the air inlet fan; an MOFs water molecule adsorption module and an electric heating element for heating the MOFs water molecule adsorption module are arranged below the activated carbon air filtering module in a communicating manner; a thermoelectric refrigeration TEC element and a condensation cavity in contact with a refrigeration area of the TEC element are arranged below the MOFs water molecule adsorption module, and an exhaust port communicated with the condensation cavity is formed in the side face of the main shell; a water filtering module and a water tank communicated with the water filtering module are arranged below the condensation cavity in a communicating manner; a power distribution unit is further arranged in the main shell and used for supplying power to the air inlet fan, the electric heating element and the TEC element. The device can be carried to outdoor places such as the field, air water trapping in a dry environment is achieved, and fresh water resources are provided for use.