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54 results about "Water ice" patented technology

Method for inverting true mass content of water ice in lunar soil using lunar soil water molecule analyzer

A method for inverting true mass content of water ice in lunar soil using a lunar soil water molecule analyzer (LSWMA) includes: obtaining weight data of a lunar soil sample, temperature data of a sample receiving container that receives the lunar soil sample, and duration of a transfer process of the lunar soil sample; obtaining measurement data of total pressure of the water vapor; calculating a sublimation loss based on a sublimation rate and the duration of the transfer process, and estimating a relative sublimation loss rate; correcting the measurement data of the total pressure of the water and obtaining true pressure data of the water vapor; and calculating, based on the true pressure data of the water vapor, mass of the water vapor, and further calculating mass content of water ice in lunar soil.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

Ice making apparatus

The utility model discloses a kind of ice-making equipment, belong to refrigeration device field.The ice-making equipment includes: and install in the water storage tank of equipment shell, ice storage box, drain and ice-making box.Drain is located in the upper portion of ice storage box and has water guide groove and ice drop opening, ice-making box can be rotatably installed in drain and has ice-making cavity and backwater structure.When ice-making box rotates, backwater structure is used to guide drain residual water in ice-making cavity to water guide groove, and ice block can be under the action of gravity through ice drop opening and fall into ice storage box, in this way, water ice separation can be realized through one rotating action, so as to be able to simplify ice-making equipment's ice-out process, reduce the size of ice-making equipment.
Owner:XIAMEN BAILIN WATER PURIFICATION TECH CO LTD

Array type penetrometer and temperature control mining and in-situ hydrogen production method for water ice in polar region of lunar

PendingCN121111267AWithdrawing sample devicesExtraterrestrail material miningTemperature controlControl system
The invention discloses an array type penetrometer and a moon polar region water ice temperature control mining and in-situ hydrogen production method, and relates to the technical field of moon water ice resource mining and in-situ utilization. The array type penetrometer is composed of a plurality of simple temperature control penetrometers, an in-situ exploitation hydrogen production penetrometer and a control system. An end heating and side wall heating module is arranged in the simple temperature control penetrometer, and the penetrometers are evenly distributed along the circumference. The in-situ mining hydrogen production penetrometer is located in the center of the circumference and is composed of a thick-wall cylinder body structure, a dense hole ventilation grid, a conical head heating module, a side wall heating module and a microwave plasma module. Temperature difference, air pressure difference and pore conductance difference are generated in a water-ice reservoir through the array type temperature control penetrometer, water-ice phase change is driven, directional migration and enrichment towards a central area are achieved, then part of rarefied water vapor is cracked in situ through a microwave plasma generating device arranged in the central penetrometer, and co-production of water, oxygen and hydrogen is achieved.
Owner:CHINA UNIV OF MINING & TECH +1

Autonomous control method for lunar soil water ice drilling and mining

The invention discloses an autonomous control method for lunar soil water ice drilling and mining, which comprises the following steps of: judging modes in sequence: judging a drilling mode which should be used at present according to the states of a rotary motor and a feed motor; rotation adjustment, wherein the starting time and the rotation speed of a rotation motor are controlled based on the current drilling mode and the current drilling progress; feeding adjustment is conducted, specifically, based on the current drilling mode and the drilling progress, the starting time of a feeding motor is controlled, and the feeding speed is controlled according to the drilling pressure variance and the rotation torque variance; impact adjustment: when the drilling mode is judged to be the water-containing lunar soil breakthrough mode, the impact frequency is adjusted according to the feeding speed; and when the drilling mode is judged to be the drilling blocking mode, the drilling tool assembly is made to be separated from the drilling blocking mode. According to the invention, lunar water-ice sampling can be completed under the conditions of environment deep hypothermia characteristics, target high-fidelity sampling requirements and low counterforce constraints, and the water-ice drilling requirements of the polar region of the lunar are met.
Owner:BEIJING INST OF SPACECRAFT SYST ENG

Wastewater processing systems and methods

Provided are systems and methods for wastewater processing using methods of separation by freezing. Wastewater is purified into ice by flowing a stream of gas at the eutectic temperature of the wastewater in either a counter-flow or co-flow configuration with a flowing liquid column of wastewater within an insulated chamber, forming particles of water ice from the wastewater flow.
Owner:ENISWATERPURE LLC

Device and method for improving water ice microwave mining efficiency of moon

The invention discloses a device and a method for improving the microwave mining efficiency of moon water ice, and belongs to the technical field of in-situ mining of extraterrestrial water ice. The device comprises a multifunctional drilling unit, an air pressure reconstruction unit, a multifunctional heating unit and a moisture collection and storage unit, the multifunctional drilling unit is used for drilling frozen lunar soil, and the multifunctional drilling unit is further used for providing a sealed environment for the frozen lunar soil extracted through drilling; the air pressure reconstruction unit is used for setting a pressure environment for frozen lunar soil in the multifunctional drilling unit according to preset requirements; the multifunctional heating unit is used for heating the frozen lunar soil in the multifunctional drilling unit in a pressure environment set by the air pressure reconstruction unit, so that the frozen lunar soil in the multifunctional drilling unit generates liquid water, and ice in the frozen lunar soil is melted and vaporized by taking the liquid water as a microwave absorption and heat conduction carrier; and the water collection and storage unit is used for collecting and storing water vapor generated by melting and vaporizing ice in the frozen lunar soil in the multifunctional drilling unit.
Owner:NORTHEASTERN UNIV CHINA

A test platform for lunar soil water ice microwave heating

The application belongs to the technical field of lunar resource utilization, and specifically discloses a test platform for lunar soil water ice microwave heating, which comprises a tank body, a temperature adjusting unit, a pressure adjusting unit, a microwave heating unit, an infrared thermal imager, a lunar soil placing table, an inert gas introduction unit and a water vapor collecting unit. The temperature adjusting unit and the pressure adjusting unit are respectively used for adjusting the temperature and the pressure inside the tank body. The microwave heating unit and the infrared thermal imager are respectively used for microwave heating and infrared thermal image monitoring of the inside of the tank body. The inert gas introduction unit comprises a uniform gas outlet table arranged in the inside of the tank body and a gas supply unit connected with the uniform gas outlet table. The lunar soil placing table is arranged on the uniform gas outlet table. The water vapor collecting unit is used for collecting water vapor generated by the lunar soil sample. The test platform has a reasonable structure and can complete the test of lunar soil water ice microwave heating through ground experiments.
Owner:SHENYANG AEROSPACE UNIVERSITY

In-situ estimation method and system for water ice content of lunar soil

The invention discloses a lunar soil water ice content in-situ estimation method and provision. The method comprises the following steps: vertically deploying a penetration probe carrying a pressure sensor and a temperature sensor on the surface of lunar soil; pressing the penetration probe into lunar soil at a preset rate; in the penetration process, multi-source in-situ data vectors changing along with the depth are synchronously collected; establishing a physical mapping model of the penetration resistance of the ice-containing lunar soil and the water ice content; constructing and training a network model; carrying out fusion analysis on the physical calculation ice content and the data prediction ice content, and determining the final ice content; generating a lunar soil water ice content vertical distribution profile, and identifying the depth, thickness and reserves of an ice-containing layer; the system comprises a data acquisition module, a data acquisition module, a dual-drive calculation core module and a result output module. According to the method, the water-ice content and distribution information of the lunar soil profile can be rapidly and continuously obtained in situ, and the in-situ, high-resolution and high-confidence estimation of the water-ice content of the lunar soil is realized.
Owner:CHINA UNIV OF MINING & TECH

Supercooled water ice making system and ice making and melting control method thereof

The application relates to a supercooled water type ice making system and an ice making and melting control method thereof. The supercooled water type ice making system comprises a refrigerant module, a first pipeline and an ice making module. The refrigerant module comprises an evaporator, a compressor and a condensing throttling assembly. The evaporator comprises a first refrigerant inlet, a refrigerant outlet, a cold water inlet, a cold water outlet and a bypass hole interface. The inlet end of the compressor is communicated with the refrigerant outlet. The outlet end of the compressor is communicated with the inlet end of the condensing throttling assembly. The outlet end of the condensing throttling assembly is communicated with the first refrigerant inlet. The first pipeline is communicated with the gas outlet end of the compressor and the bypass hole interface. The first pipeline is provided with a first valve body. The ice making module comprises an ice storage device and a crystal removal device. The water inlet end of the ice storage device is communicated with the cold water outlet. The water outlet end of the ice storage device is communicated with the first inlet of the crystal removal device. The first outlet of the crystal removal device is communicated with the cold water inlet. The technical scheme effectively solves the technical problems of small refrigeration capacity and low refrigeration efficiency of a traditional ice making system.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Drink purifier (Lite)

ActiveCN309521440SWater iceFiltration
1. The name of this design product: Water Purifier (Lite). 2. Application of the product with this design: used for water heating, water filtration, water cooling, and water ice making. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
Owner:FOSHAN SHUIBAODUN TECH CO LTD

Silicon-modified polyurea resistance-reducing superhydrophobic coating material for water ice and shellfish adhesion and its preparation method

This invention provides a silicon-modified polyurea superhydrophobic coating material for reducing water resistance and promoting adhesion to ice and shellfish, and its preparation method. The coating material comprises, by weight, 35-50 parts of a fully urea-bonded prepolymer, 30-45 parts of a PDMS-modified monofunctional urea-based polymer brush, 8-15 parts of a latent curing agent, 5-10 parts of a superhydrophobic nanofiller, 5-10 parts of a colorant, and 2-6 parts of a plasticizer; wherein the latent curing agent is a commercially available latent curing agent; and the superhydrophobic nanofiller is one or a mixture of two of fumed silica and nano-titanium dioxide. The coating material provided by this invention has the characteristics of a large contact angle, low roll-off angle, low surface energy, high strength, high elongation, low water absorption, and environmental friendliness.
Owner:AIGIS (BEIJING) TECH CO LTD

A method for detecting water ice in a lunar permanent shadow region by infrared remote sensing based on spectral information correction

The present application relates to a kind of lunar permanent shadow area water ice infrared remote sensing detection method based on spectral information correction, comprising the following steps: step 1) permanent shadow area pixel periphery scattering source position is determined by joint field of view analysis and illumination range;Step 2) solve the irradiance of scattering into the location of permanent shadow area pixel;Step 3) satellite sensor observation value is compared with the solved scattering irradiance, and band is carried out ratio operation, and the corrected infrared spectral reflectance is obtained;Step 4) the normalized processing and adaptive fitting of corrected spectral reflectance are carried out, and the spectral curve is obtained;Step 5) the comprehensive determination criterion of water ice existence is constructed, and the location of water ice is determined based on spectral curve.Compared with prior art, the present application has the advantage that detection reliability is higher.
Owner:TONGJI UNIV

Ice cap capable of being filled with water

The utility model relates to the technical field of ice caps, in particular to a water-injectable ice cap. According to the technical scheme, the ice cap comprises an ice cap body worn on the head and further comprises a water injection mechanism installed at the top of the ice cap body and used for injecting water into the ice cap body, and a plurality of grid cavities which are communicated with one another are formed in the ice cap body, and the neck clamping groove is formed in the bottom of the ice cap body to expose the neck. According to the ice cap, the neck clamping groove, the ear clamping grooves, the water absorption mechanism, the binding machine and other structures are matched, the ice cap is placed in a refrigerator to be frozen after being injected with water, and the ice cap can be taken out to be used after ice blocks form the head shape. The lower portion of the ice cap is bound, at the moment, the rear portion of the neck and the two ears are hollowed out, cold compress taboo parts can be fully avoided to prevent frostbite, the ice cap can be better attached to the head, and the cooling effect is better. Meanwhile, the water-absorbing cotton sliver is arranged at the bottom of the ice cap and used for absorbing molten water, so that surrounding skin is prevented from being wet and uncomfortable.
Owner:PEKING UNIVERSITY THIRD HOSPITAL (THE THIRD CLINICAL MEDICAL SCHOOL OF PEKING UNIVERSITY)

Method for preparing multi-condition multi-water content simulated water-ice lunar soil

The application discloses a kind of multi-working condition multi-water content simulation water ice lunar soil preparation methods, specifically comprising the following steps: S1, raw material selection: select and real lunar soil similar mineral composition as the raw material of simulation lunar soil;S2, sample preparation before: the raw material in step S1 is placed in container and put into oven drying;S3, water-containing sample preparation: the raw material sample after drying of step S2 is sealed and transported to sample preparation environment, carries out water vapor adsorption, obtains water-containing sample;S4, water ice sample preparation: the water-containing sample in step S3 is transported to glove box by sealed bag, and after reaching temperature balance in glove box, it is placed in sample chamber refrigeration, and then the sealed bag is removed, it is simulation water ice lunar soil sample.Water-containing sample uses water vapor adsorption method, relies on the capillary effect of simulation lunar soil to let water diffuse freely, and then water vapor balance can be achieved, which can avoid the uneven water distribution of stirring water-containing sample.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

Lunar soil water ice volatile water vapor collection device and collection method

PendingCN122282402ALunar soilWater vapor
This invention belongs to the field of in-situ detection technology of lunar water ice, specifically disclosing a device and method for collecting volatile water vapor from lunar water ice. The device includes a bottom vacuum chamber, an intermediate connecting pipe, a conveying pipe, a collecting pipe, a pressure monitoring instrument, a first inlet valve, and a second inlet valve. The bottom vacuum chamber, the intermediate connecting pipe, the conveying pipe, and the collecting pipe are connected in series along the flow direction of volatile water vapor from lunar water ice. The first inlet valve is located between the bottom vacuum chamber and the conveying pipe; the second inlet valve is located between the conveying pipe and the collecting pipe; the pressure monitoring instrument is used to monitor the pressure value inside the bottom vacuum chamber in real time. This collection device and method can construct a controllable pressure gradient by alternately opening and closing the valves, transforming the natural diffusion of water vapor into pressure-driven directional and rapid transport, fundamentally improving the water vapor transport efficiency under the high vacuum environment of the lunar surface.
Owner:SHENYANG AEROSPACE UNIVERSITY

Ice-burg cup (BKM-462-110)

1. The name of the design product: ice cup (BKM-462-110). 2. The use of the design product: the design product is used for drinking water ice cup. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.
Owner:ZHEJIANG BAOKANG ELECTRIC APPLIANCES CO LTD

Hydrate removal in hydrocarbon wells

A process for removing an obstruction (13) caused by gas hydrates or water ice from the tubing (12) of a hydrocarbon production or injection well or a riser using a microwave. The process comprises passing a microwave generating and emitting tool (5) on wireline (8) down the tubing (12) and supplying electrical power to the tool via the wireline (8) or from a battery to produce microwave energy and direct it to the gas hydrate and / or water ice deposit (13), thereby melting deposit and unblocking the well.
Owner:CONOCOPHILLIPS CO

Railway freeze injury monitoring method and system based on AI visual technology

The invention provides a railway freezing damage monitoring method and system based on an AI visual technology, and the method comprises the steps: separating interference signals caused by environment illumination and ice layer thickness through a spectral analysis method according to a preliminary reflection characteristic data set, extracting a pure substance specific reflection peak value from the interference signals, and determining the core feature vectors of a water ice type and a salt ice type; if a reflection peak value in the core feature vector exceeds a preset threshold value, judging that the region is a salt ice type dominant region, and performing clustering analysis on the core feature vector through a hierarchical processing system to obtain a distribution mapping graph after type distinguishing; and carrying out deep learning training on the distribution mapping graph by adopting a machine learning model, fusing reflection characteristics and environmental interference data, judging the severity of the mixed freezing injury area, and obtaining a risk assessment index.
Owner:NANJING YINGAN INTELLIGENT TECH RES INST CO LTD

Mars water ice in-situ mechanical extraction device based on low-temperature brittle breaking and vacuum vortex separation

The invention discloses a Mars water ice in-situ mechanical extraction device based on low-temperature brittle breaking and vacuum vortex separation, relates to the technical field of deep space exploration engineering equipment and planetary in-situ resource utilization, and aims to solve the problems of high energy consumption, quick cutter wear and insufficient long-term reliability in the prior art. The device comprises a crushing and separating assembly and a desublimation collecting assembly which are connected through a sealed material conveying channel, the crushing and separating assembly is provided with an ultrasonic resonance cutter head, a tangential gas nozzle sprays airflow into a conical vacuum vortex separating cavity to form a centrifugal flow field, and an Archimedes spiral flow guide ridge guides separated ice particles to be output; the desublimation collection assembly is provided with a multi-stage venturi depressurization cavity group, an annular condensation wall, a passive radiation heat dissipation plate and an ice body collection tank, the multi-stage venturi depressurization cavity group promotes ice particles to sublimate into water vapor, and the annular condensation wall and the passive radiation heat dissipation plate are thermally coupled to desublimate the water vapor into solid ice and collect the solid ice. The device is suitable for in-situ mining and purification operation of surface layers of extraterrestrial celestial bodies such as Mars and underground water ice.
Owner:HARBIN INST OF TECH

Image processing method and device, computer equipment, storage medium and program product

The invention relates to an image processing method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the steps of obtaining a plurality of optical images and a plurality of radar images of a target river reach in a preset period, performing feature extraction on each optical image to obtain a plurality of image features, determining a first water-ice classification result corresponding to the optical image according to each image feature, and determining a second water-ice classification result corresponding to each radar image according to each first water-ice classification result. And performing feature extraction on the radar image to obtain a plurality of spatial features, determining a second water-ice classification result corresponding to the radar image according to each spatial feature, and performing time sequence fusion on each first water-ice classification result and each second water-ice classification result to obtain a target water-ice classification result of the target river reach corresponding to the preset period. By adopting the method, the water-ice classification effect of the narrow river channel in the high-altitude area can be improved.
Owner:TSINGHUA UNIVERSITY

Device and method for obtaining ultra-high vacuum for lunar soil water-ice detection time-of-flight mass spectrometer

PendingCN122282917ASpace environmentLunar soil
This application relates to the field of space environment simulation technology, specifically to a device and method for obtaining ultra-high vacuum in a lunar regolith water ice detection time-of-flight mass spectrometer. The device includes a vacuum tank, a pumping system, a heating furnace, a pressure stabilizing chamber, and a lunar regolith water ice detection time-of-flight mass spectrometer. The vacuum tank is a large-volume vacuum tank equipped with a sealed door. The heating furnace is connected to the pressure stabilizing chamber via a first valve. The pressure stabilizing chamber is connected to the lunar regolith water ice detection time-of-flight mass spectrometer via a small orifice. The pumping system includes a first molecular pump, a dry pump, and a second molecular pump. This application places the second molecular pump used in the lunar regolith water ice detection time-of-flight mass spectrometer within a large-volume vacuum tank, enabling the acquisition of an ultra-high vacuum sufficient for the lunar regolith water ice detection time-of-flight mass spectrometer to operate normally, allowing the internal vacuum level of the mass spectrometer to be reduced to 10⁻⁶. ‑5 Pa level.
Owner:LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH

Simulation device for ice plug test of underwater concrete pipeline and test method thereof

The application relates to a simulation underwater concrete pipeline ice plug test device and a test method thereof, and belongs to the technical field of underwater pipeline plugging tests. The test pipeline is composed of a concrete layer, two water isolation bodies are arranged in the test pipeline to separate the test pipeline into a water ice cavity section filled with water in the middle and upstream and downstream liquid cavity sections on the two sides; when the ice plug is formed, the two sides of the water ice cavity section are controlled to be subjected to equal pressure, and a refrigerant pipe is directly inserted into the water ice section to gradually change the water in the water ice section into an ice plug; after the ice plug is formed, a pressure difference is formed on the two sides of the ice plug, so that the formation of the ice plug under the underwater pressure and the situation of the ice plug subjected to the water head pressure after the ice plug is formed are completely simulated; the ice plug formation process and the process of the ice plug subjected to the one-way pressure after the ice plug is formed can be observed through an observation window, and powerful reference data for the actual underwater pipeline ice plug formation can be provided.
Owner:NANJING HYDRAULIC RES INST +1

Three-dimensional gray scale structure based on low-voltage ice glue electron beam exposure and three-dimensional micro-nano hollow structure manufacturing method

The application discloses a kind of three-dimensional gray structure based on low-voltage ice glue electron beam exposure and the manufacturing method of three-dimensional micro-nano structure, comprising: depositing an ice layer on processing surface;Then using low-energy electron beam layer-by-layer exposure, remove the ice layer of each layer specific part, finally form three-dimensional gray ice sculpture structure with specific gray pattern;Optionally, three-dimensional ice sculpture structure is deposited material using physical vapor deposition, form three-dimensional micro-nano structure;The ice layer is water ice;The low-voltage electron beam energy is lower than 5keV.The application uses the characteristics of iEBL and low-energy exposure in water ice, not only can obtain three-dimensional ice sculpture structure without support structure, but also can successfully convert gray ice sculpture into high-purity three-dimensional metal structure.This breakthrough provides potential for using water ice resist to improve nanodevice manufacturing, and establishes the key technology position of iEBL in constructing fine, pollution-free three-dimensional metal nanostructure.
Owner:CHINA JILIANG UNIV +1

Micro-orifice solenoid valve measurement system and method and lunar soil water ice content measurement method

This invention discloses a micro-orifice solenoid valve measurement system, method, and lunar soil water ice content measurement method, relating to the field of lunar soil measurement. The micro-orifice solenoid valve measurement system includes a water vapor generating unit that heats ice to form water vapor, and a weighing unit that measures the weight change of the ice. The water vapor generating unit is connected to a pressure stabilizing unit via an inlet pipe with a needle valve. The pressure stabilizing unit is connected to a vacuum tank via an outlet pipe with the micro-orifice solenoid valve to be measured, and a vacuum system is used for evacuation. The measurement method combines the actual pressure value when the pressure of the pressure stabilizing unit changes according to a set gradient with the ice weight change value to determine the relationship between the water vapor mass flow rate of the micro-orifice solenoid valve and the pressure before the valve. In the lunar soil water ice content measurement method, the water vapor generated when the lunar soil is heated passes through the micro-orifice solenoid valve, and the lunar soil water ice content is obtained using the relationship between the water vapor mass flow rate of the micro-orifice solenoid valve and the pressure before the valve. The lunar soil water ice content measurement results of this invention have the advantages of small deviation and high accuracy.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

Water dispenser

1. The name of the design product: water dispenser. 2. The use of the design product: for water heating, water filtering, water refrigeration, water ice making. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:FOSHAN SHUIBAODUN TECH CO LTD

Supercooling release device and supercooled water ice making device

The present invention discloses a supercooling release device and a supercooled water ice-making device. The supercooling release device includes a baffle configured to collide with supercooled water and a distributor having nozzles for spraying water or gas toward the baffle surface. The present invention effectively solves the problem of low ice storage rate caused by the simple structure of the supercooling release device in the prior art.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Termitomyces albuminosus fruiting device based on bionic system

The invention provides a termitomyces albuminosus fruiting device based on a bionic system, and relates to the field of termitomyces albuminosus cultivation, the termitomyces albuminosus fruiting device comprises a supporting frame, a water storage tank is fixedly mounted at the top of the supporting frame, a water injection mechanism is fixedly mounted at the bottom of the water storage tank, and the termitomyces albuminosus fruiting device further comprises an oval sliding frame, a driving wheel disc, a driving mechanism, a rotating shaft, a soil loosening mechanism and a driving toothed plate. Through the arrangement of a water storage tank, an oval sliding frame, a pulley, a tripod, a driving wheel disc, a rotating shaft, a water supplementing mechanism, a driving toothed plate and a soil loosening mechanism, when the tripod moves to the top, the top end of the tripod pushes a push handle, the push handle presses an ejector rod, the ejector rod jacks a valve seat to compress a spring, the valve seat is opened, and liquid flows into a suspension frame through the valve seat; water ice flows into the rubber ball through the conveying pipe, the absorbent cotton column absorbs the water ice to permeate into the soil for water replenishing, so that enough humidity in the soil is guaranteed, the problem of root rot caused by direct watering is avoided, and after the tripod is separated from the push handle, the spring pushes the plug to be automatically closed, and the valve seat is closed.
Owner:SICHUAN EDIBLE FUNGI RES INST

A lunar permanent shadow area water ice resource exploitation device and method

ActiveCN119844096BExtraterrestrail material miningDrilling machines and methodsLunar soilWater vapor
The application discloses a lunar permanent shadow area water ice resource exploitation device and method, and belongs to the field of lunar in-situ resource utilization. The device is arranged on one side of a moving platform and comprises a feeding mechanism. The feeding mechanism comprises a lifting screw nut movable plate, a rotary drive mechanism and a heating extraction mechanism are arranged on the screw nut movable plate. The heating extraction mechanism comprises a plurality of circumferentially uniformly distributed drill needles, and an alternating coil is arranged on the outer side of the drill needle. The rotary drive mechanism comprises a rotary drive motor capable of driving the drill needle to rotate. After the drill needle is drilled into the lunar soil, the ice is heated to evaporate and vaporize. The device further comprises a water vapor transfer mechanism and a condensation collection mechanism. The water vapor transfer mechanism is located at the lower end of the device and can guide the water vapor into the condensation collection mechanism for condensation collection. The device overcomes the problem that the existing lunar soil water ice exploitation method has a small effective heating range for deep lunar soil, low water ice exploitation efficiency and difficulty in being applied to lunar large-scale water ice extraction.
Owner:DEEP SPACE EXPLORATION LABORATORY

Ice slurry storage system and method for regulating an ice slurry storage system

This invention discloses an ice slurry cold storage system and its control method, relating to the field of subcooled water ice-making technology. The ice slurry cold storage system includes an evaporator, a circulating refrigeration component, an ice-making component, and a high-temperature heat exchange medium supply component. The evaporator includes a shell with a cavity. The cavity contains a refrigerant spiral channel and two subcooled water spiral channels. The refrigerant spiral channel is located between the two subcooled water spiral channels. A high-temperature channel is formed between the inner spiral of one subcooled water spiral channel and the outer spiral of the other subcooled water spiral channel, and this high-temperature channel is connected to the cavity. The circulating refrigeration component is connected to both ends of the refrigerant spiral channel. The ice-making component is connected to both ends of the two subcooled water spiral channels. The high-temperature heat exchange medium supply component is connected to both ends of the high-temperature channel. The technical solution provided by this invention can reduce system energy consumption and the risk of ice blockage.
Owner:NO 1 CONSTR ENG CO LTD OF CHINA CONSTR THIRD ENG BUREAU CO LTD +2

Method and apparatus for producing a solid cryogenic-mechanical cryogenic abrasive from water in a countercurrent process, as well as method and apparatus for cleaning surfaces with the produced cryogenic abrasive.

A method for producing a solid cryogenic abrasive from water for cleaning bodies, surfaces, and interiors, wherein water is sprayed both vertically and horizontally from several different nozzles with different directions of action into a closed cryogenic tube, which can be cooled internally to a temperature of -185 °C by spraying and releasing liquid nitrogen, such that the directions of action of the individual nozzles overlap in a given area, and a further quantity of nitrogen is injected into the area, depending on the quantity of water introduced, which can be varied in specific areas by combining several nozzles to maintain the energy balance, and turbulence and collisions occur within the cryogenic tube due to the different spray parameters and directions of action.which promote the formation of differently sized water ice particles, wherein the amount of water to be introduced is divided in a variable ratio and the larger proportion of water is sprayed from below at a differential pressure of 0.5 to 6.0 bar, preferably 0.8 to 3.5 bar, and the water droplets describe a parabolic path with decreasing speed and, due to the high temperature difference, freeze from the outside and the thin ice layer in the area of ​​effect, where the path of the water droplets sprayed from below has its inflection point, is sprayed horizontally with the smaller proportion of water from laterally arranged pairs of opposite spray nozzles at the level of the area of ​​effect, at a low differential pressure of 0.2 to 0.6 bar, preferably 0.3 to 0.4 bar, in such a way that one or more further ice layers can form and these larger water droplets fall downwards at increasing speed.where individual water droplets are slowed down by a collision with the water droplets sprayed from below, the water droplets coming from below burst, and thus a water-ice mixture with different droplet sizes and shapes is created.
Owner:OHE JÜRGEN V D