34results about How to "Does not occupy land resources" patented technology

The invention discloses an offshore platform type LNG container injecting and transfer system. an LNG container injecting system, a container bridge crane, a container gantry crane, transfer cars, a control system and a wharf are mounted on an ocean platform. Containers are directly injected on the ocean platform, and then, are conveyed to other places through LNG container transportation ships; the system has no need to additionally construct an LNG container wharf and a land LNG container injecting station, and also has no need of marine reclamation lands to occupy shoreline resources, so that the system achieves excellent economy and convenience compared with transportation of LNG on the lands by tank cars.

The invention provides a method for reducing iron by smelting reduction in electrometallurgy. The method is characterized by taking electric energy as a heat source and natural ore or artificial ore, carbonaceous reducing agent and solvent as raw materials and comprising the following steps: pre-reducing the raw materials at the temperature of 700 to 900 DEG C for 4 to 6 h; heating to 1,400 to 1,700 DEG C in an electric furnace so as to smelt the furnace burden and reduce into molten iron and slag, and discharging the molten iron and slag to a foundry ladle; meanwhile, dedusting the smoke dust during the smelting, wherein the smoke is returned to a pre-reducing device and used as reducing gas; the smoke dust is used for manual granulation and recycled; the molten iron is cast and formed or directly used for steelmaking; and the slag is processed for other purposes. The method has the advantages of simple process and equipment, little occupation, low requirements on raw materials, wide applicable range, low sulphur load of produced molten iron compared with molten iron of a blast furnace and good product quality, while saving investment and resources without needing equipment for coking, sintering and the like or using coke as fuel.

The invention provides a floating type trinitarian photovoltaic greenhouse. The greenhouse comprises a photovoltaic power generation system, a water surface planting system and an underwater breeding system. A solar photovoltaic assembly of the photovoltaic power generation system is installed on a floating base through a support, the photovoltaic power generation system further comprises a header box and an inverter, the water surface planting system floats on a lower water area covered by the photovoltaic assembly through a floating bed, the structure of the water surface planting system is the floating bed composed of an upper layer and a lower layer in the longitudinal direction, a middle interlayer is a floating bed matrix, and the floating bed is provided with a floating body, ventilation holes and planting holes. A net cage breeding mode is adopted in the underwater breeding system, and a net cage is arranged below the water surface planting system. The greenhouse perfectly combines photovoltaic power generation, planting industry and fishery, resource integration is achieved, land resources are not used, photovoltaic power generation amount is increased, construction cost can be reduced, the evaporation amount of the water surface is reduced, and algal reproduction in water is inhibited.

The invention discloses a system for observing the tide level and tide flow of a port waterway in real time. The system mainly comprises a client, a database server, a data receiver, a shore-based tide level observation station and an offshore buoy observation station; communication between the database server and the data receiver is achieved through a signal line, and data communication betweenthe client and the database server is achieved through the data receiver; the shore-based tide level observation station and the offshore buoy observation station realize data transmission with the database server through the data receiver. The shore-based tide level observation station realizes real-time observation and remote reporting of tide level data; the tide level observation precision isimproved, the on-site station building work becomes easy and flexible, and land resources are not occupied; the offshore buoy observation station not only guarantees navigation works of the waterway navigation marks, but also achieves a carrying function for measurement equipment of the tide level and the tide flow; low power consumption, high reliability and good watertight safety are guaranteed,and the endurance time is prolonged.

The invention relates to a method for preparing freshwater by applying a solar seawater desalination plant arranged on the sea. The method is characterized in that a lower pool, an upper pool and a light-transmitting shed are successively arranged in a ship body; the upper pool is provided with an air inlet mechanism and a venting mechanism; the freshwater is prepared by using a natural freezing method in the ship body in winter, and simultaneously, the seawater which is not frozen is distilled by using the air inlet mechanism and the venting mechanism so as to obtain the freshwater; and in other seasons, the freshwater is prepared by distilling the seawater with solar energy. The method has the beneficial effects that the seawater desalination plant in the invention floats in the seawater, and land resource is not occupied; the freshwater yield of the plant is higher than that of a device for distilling the seawater only by virtue of solar radiation in winter; the actions of the seawater desalination plant in the invention rely on natural force without a power plant, electric power consumption and manpower; and because the seawater desalination plant can float on the sea, thus the seawater desalination plant can freely select a high-quality seawater region to anchor for desalinating the seawater.

The invention relates to an online hot blank corner crack clearing device and method. An online hot blank corner crack clearing device is additionally arranged between the sector section of a continuous casting machine and a torch cutter. Through the process of preheating preparation, preheating locating, preheating, clearing, smoke collection and slag treatment, clearing can be conducted on the corner portions on the four corners of a cast blank at the same time, the corner portions can be in smooth transition, and the defects that a corner re-clearing area is excessively large, and the lossof a steel material is high are effectively overcome; through automatic locating, the requirement for clearing cast blanks of different section dimensions is met, through adjustment of a burner, the requirement for different clearing depths is met, and through adjustment of energy medium parameters, the online hot blank corner crack clearing device is adapted to the change of a drawing speed; theautomatic clearing procedure can be started through one-button type operation, and online clearing does not influence the continuous casting production rhythm.

The invention relates to a fan-shaped foldable storage device for sea ice. The fan-shaped foldable storage device for the sea ice is characterized by comprising a bottom cabin and four surrounding cabins, wherein the surrounding cabins are in a shape of isosceles trapezoid, the bottom cabin is in a shape of square, and the surrounding cabins are hinged with the bottom cabin; sealing gaskets are arranged on the peripheral sides wherein the surrounding cabins are in contact with the bottom cabin; synchronous folding bars are arranged on the surrounding cabins, and each of the surrounding cabins and the bottom cabin are respectively provided with a floating tube; multiple fan-shaped foldable storage devices for sea ice are placed above the sea surface, and seawater in the surrounding cabins and the bottom cabin is frozen at the temperature of lower than 0 DEG C; the sea ice starts melting after the temperature rises; the seawater is pumped into the floating tube of the bottom cabin, then the bottom cabin sinks and the surrounding cabins are guided by the synchronous folding bars to synchronously fold to a center, to further form a container; the seawater is discharged from the container; the container can be sealed in a self-reinforcement manner under the pressure of external seawater; and the sea ice in the container melts to obtain fresh water. The invention has the following beneficial effects that: the fan-shaped foldable storage device for sea ice does not occupy any land resource; the device can be folded so that the area occupied by the device on the sea surface can be reduced; and procedures of salvaging and transporting ice can be saved so that a great deal of manpower and energy sources can be saved.

The invention provides a city road intelligent type multifunctional stereo garage capable of extending along city roads so as to be segmented or arranged in a whole segment; the garage can be used for parking cars, allows pedestrians to cross, and can serve as an emergency road for vehicle, thus fully utilizing technical features of the stereo garage, and combining with a city two-way road center isolation rail or isolation greenbelt; the garage uses steel structures and reinforced concrete structures to replace the center isolation rail and the isolation greenbelt and to serve as bottom supporting and fixing devices of the stereo garage. The vehicle enters entrances / exits on two sides of the road, passes a vertical convey path or a horizontal convey path, and then is parked in the city road intelligent type multifunctional stereo garage extending along city roads so as to be segmented or arranged in whole segment; in special conditions, the stereo garage convey paths can serve as vehicle convey emergency paths; pedestrians can use pedestrian carrying platforms, a pedestrian vertical transport path or a pedestrian convey path specially arranged on two sides of the road to cross the road. The garage is arranged above city two-way roads without singly occupying city land resources, thus expanding ordered reasonably construction space of stereo garage, and realizing stereo garage integration utilization purpose.

The invention relates to a method for treating industrial plastic waste. The method comprises the following steps: picking out recyclable substances; crushing the rest waste; adding animal waste and plants into the waste powder to obtain a mixture; putting the mixture into a biogas tank for fermentation; adopting generated biogas for heating or power generation; taking out biogas residue from the biogas tank; preparing a mushroom cultivation material comprising 5000 kg of the biogas residue, 1500 kg of straw or haulm, 15 kg of cotton seed hulls, 60 kg of gypsum and 25 kg of lime for cultivation of mushroom; finally, carrying out microbial decomposition to obtain an organic fertilizer for crops. The method adopts a whole set of a systematic technical scheme and a biochemical utilization method which can treat the industrial plastic waste completely, and the industrial plastic waste which is an international public hazard is treated biochemically, changed into valuable, eliminated permanently for people, and changed into treasure according to a scientific biologic chain biochemical method, so as to benefit the people, and return a clean environment, a clean space, and a beautiful and healthy world to the people. According to the method, neither land occupation nor environmental pollution is caused.

The invention discloses a gas cultivation mobile pollution water body governing and recovery system, which can perform the reoxygenation oxygenolysis, the stirring and the flushing on polluted water settled pollutants, and can create the conditions for the sufficient degradation by microbes, aquatic animals and the like in the water. The gas cultivation mobile pollution water body governing and recovery system comprises a carrier, a mobile operation and control unit, a gas cultivation device unit and a biological bacterium filtering device, wherein the carrier is a boat-shaped carrier which can float on the water and is made of steel materials or fiber glass reinforced plastic materials; the carrier is divided into two function regions including a boat head and a boat body; the two function regions are connected by a traction post; the boat head function region is provided with the mobile operation unit; the boat body function region is provided with a gas cultivation device unit; the gas cultivation device unit comprises a power device, an air compression fan, an air spiral flow thrusting device, an air conveying pipeline and a remote control automatic ascending and descending type air flow thrusting regulating framework; an air outlet pipeline of the air compression fan is fixed on the remote control automatic ascending and descending type air flow thrusting regulating framework and is connected with the air spiral flow thrusting device.

The invention discloses a process for preparing a derived fuel RDF-5 through coupling of township domestic garbage and biomass. The process comprises the following steps: 1) coarse crushing; 2) screening; 3) magnetic separation; 4) bouncing separation; 5) drying: drying remaining township domestic garbage combustibles to a moisture content of 20-30%; 6) mixing: mixing, by mass, 40 to 60% of the dried township domestic garbage combustibles, 40 to 60% of biomass particles and an additive, and performing fine crushing, wherein the additive comprises, based on the total mass of the township domestic garbage and the biomass particles, 5-10% of white coal, 3-6% of calcium hydroxide, 1-2% of polyethylene glycol and 1-2% of borax; 7) conditioning and granulation: sending the above mixed materialsto a granulator for extrusion and granulation, wherein the materials are pressurized and heated in the process of granulation so as to complete physical and chemical conditioning; and 8) air-drying and cooling. The process of the invention can realize the resourceful and harmless utilization of the garbage, has the advantages of convenient treatment, low cost and small environmental pollution, andcan greatly improve comprehensive benefits.

The invention discloses a camellia oleifera cultivation temperature control greenhouse. The camellia oleifera cultivation temperature control greenhouse comprises a framework, wherein the framework isprovided with a ceiling, an open source single chip microcomputer, an electronic temperature and humidity meter, a water tank, an Internet-of-Things device, a water collection device, an adjusting mechanism, a plant growth lamp and a driving mechanism, wherein the ceiling is provided with a self-cleaning device, the adjusting mechanism is provided with an electric air heater, and the water collection device is communicated with the water tank through a conveying device. The camellia oleifera cultivation temperature control greenhouse has the advantages that the ceiling is a solar panel, the light transmission is good, the crash resistance is good, and the greenhouse has a flame retardant ability, thereby greatly prolonging the service life of the greenhouse; titanium dioxide film is takenas a surface treatment material, when the greenhouse is exposed to ultraviolet radiation, through a light-catalyzed reaction, sewage and water adsorbed on the surface of the titanium dioxide film oxidize to generate hydroxyl radicals, the sewage and oxygen in the air are subjected to a redox reaction to generate super-oxygen ions, the sewage becomes carbon dioxide and water to be volatilized andeliminated, thereby cleaning the sewage on the surface of the ceiling.

The invention discloses a household garbage clean gasification power generation method which comprises the following steps: garbage pretreatment: conveying raw garbage to a garbage pretreatment system, and separating the raw garbage into dry garbage and wet garbage; garbage gasification: conveying the separated dry garbage into a garbage gasification system for gasification treatment, and gasifying the dry garbage to generate synthesis gas and ash; garbage power generation: conveying the gasified synthesis gas into a garbage power generation system for power generation; and ash melting: conveying the ash an ash melting system for ash treatment. The invention further discloses a household garbage clean gasification power generation device. The system is suitable for county-level cities with low household garbage treatment capacity, can treat household garbage of complex types, saves energy, improves efficiency and reduces the overall cost.

The invention relates to a method for making fresh water by fan-shaped foldable sea ice storage devices. Each fan-shaped foldable sea ice storage device is characterized by comprising a bottom cabin plate and four enclosure cabin plates, wherein each enclosure cabin plate is in the shape of an isosceles trapezoid, the bottom cabin plate is in the shape of a square, and the enclosure cabin plates are hinged with the bottom cabin; the contact periphery of the enclosure cabin plates and the bottom cabin is provided with a sealing gasket; the enclosure cabin plates are provided with synchronous folding strips, and the enclosure cabin plates and bottom cabin plate are respectively provided with a float bowl; a plurality of devices are put on the sea in a planar mode, and seawater in the enclosure cabin plates and bottom cabin plate becomes ice when the air temperature is lower than 0 DEG C; when the air temperature rises, the sea ice starts to melt; when the seawater is sucked into the float bowl of the bottom cabin plate, the bottom cabin plate sinks, and the enclosure cabin plates are synchronously folded towards the center under the guide of the synchronous folding strips to form a container; when the seawater in the container is evacuated, self-reinforced seal of the container is formed under the pressure of the outside seawater; and when the sea ice in the container melts, the fresh water is obtained. The invention does not occupy the land resources; the devices are foldable, thereby reducing the occupied area on the sea surface; and the invention saves the procedure of dredging and transporting ice, thereby saving abundant human and energy sources.

The invention discloses a novel energy-storage power-generation reservoir, comprising an underground reservoir, a heat exchange system and an expanding work-applying power generation device. The novel energy-storage power-generation reservoir can store ice in winter and store hot water in summer. The expanding work-applying power generation device generates power by the using temperature difference of winter and summer air and the hot water or the ice of the underground reservoir; and the underground reservoir is built under the ground and is obtained in manners that grooves, valleys and the like with proper water conditions, weather conditions and geological conditions are subjected to construction technology and impermeable heat-proof treatment, and a high-quality cultivated land is manufactured by covering soil on the top. The energy-storage power-generation reservoir not only can store and supply water but also can fully utilize heat energy in summer and cold amount in winter in the natural environment, can generate power, does not occupy land resource and can build the cultivated land.

In order to preserve bone ash for a long time and not to occupy land resources by buried bone ash or destroy the quality of water bodies, the invention discloses a method for burying bone ash. According to the invention, construction material capable of preserving bone ash hermetically and resisting corrosion is used for building a coffin body adopting a structure with a main room (1) and an auxiliary room (2); and the main room (1) of the coffin body is used for preserving bone ash hermetically, the auxiliary room (2) of the coffin body is used for being communicated with the outside, and water can freely flow in and out of the auxiliary room (2) of the coffin body. Cooperation with persons requiring artificial fish reef is developed, and the coffin body is placed in a permitted water body, so that the coffin body preserving bone ash hermetically can be buried in the water body, and the coffin body with the function of artificial fish reef can play the role of artificial fish reef in the water body. The invention mainly achieves the benefits of burying bone ash in water bodies, preserving bone ash for a long time without occupying land resources and destroying the quality of the water bodies, improving the ecology environment of the water bodies, and increasing the yield of fish and other aquatic organism.

The invention provides a treatment method for heavy metal solid waste pollutants. The treatment method comprises the following treatment steps of: preparing a heavy metal dissolvent according to heavymetal containing components; mixing the heavy metal solid waste pollutants, the heavy metal dissolvent and hot water according to a ratio and afterwards carrying out wet grinding on the mixture in agrinding machine; primarily separating a solution containing heavy metal ions from slurry by using a multi-stage separator; purifying or refining the primarily-separated heavy metal ion solution; stewing the treated ion solution, and guiding out the stewed solution as circulating water for production; proportionally mixing the slurry separated in the step (3), the water obtained in the step (5) and other materials and reagents; manufacturing a blank body by using a novel building base material in the step (6); compacting the blank body in the step (7); carrying out steam-curing on the blank body inside a high-temperature and high-pressure steam-curing kettle for 17-22 h; and getting the blank body out of the steam-curing kettle to obtain a finished product, or deeply processing the finished product. The treatment method provided by the invention has the characteristics of saving energy, reducing environmental pollution and the like.

The invention discloses a hidden land reclamation pump station for rapid construction. The hidden land reclamation pump station comprises an underground continuous wall which is constituted by exterior wall bodies and middle wall bodies, wherein a first layer of base plate is arranged between the adjacent exterior wall bodies and the middle wall bodies; a first layer of base plate is arranged between the adjacent middle wall bodies, inlet prefabricated wall boards and outlet prefabricated wall boards are arranged between the adjacent outer wall bodies and the middle wall bodies as well as between the adjacent middle wall bodies; an electric pump is arranged between the inlet prefabricated wall board and the outlet prefabricated wall board of each pair; a water inlet pipe, which penetratesthe corresponding inlet prefabricated wall board, is connected to one end of each electric pump, and a water outlet pipe, which penetrates the corresponding outlet prefabricated wall board, is connected to the other end of each electric pump; water inlet hydraulic opening / closing gates are arranged on water inlet ports of the water inlet pipes; comminution gratings are arranged on the water inletend faces o the water inlet hydraulic opening / closing gates; and duckbill valves are arranged on water outlet ports of the water outlet pipes. The hidden land reclamation pump station provided by theinvention is high in construction speed, short in construction period, low in investment, compact in arrangement, low in workload and low in noise.

The invention relates to an offshore solar sea water desalting plant which is specially characterized in that a ship body is internally provided with a lower tank, an upper tank and a light transmitting roof in sequence; the upper tank is provided with an air intake mechanism and an exhaust mechanism; in winter, fresh water is prepared by using a natural freezing method in the ship body, and meanwhile, fresh water is distilled from the non-frozen sea water by using the air intake mechanism and the exhaust mechanism. In other seasons, fresh water is prepared by using a solar sea water distillation method. The sea water desalting plant disclosed by the invention floats on the sea water and does not occupy land resources. The fresh water yield in winter is higher than that produced by the current device of distilling sea water only by solar radiation. The actions in the plant disclosed by the invention only depend on natural force without needing a power device, consuming electricity and manpower. The offshore solar sea water desalting plant disclosed by the invention can float on the sea, thereby freely choosing and parking in a good-quality sea water region to desalt sea water.

The invention discloses a multifunctional cement cup making machine, which is a cup making machine for abandoning the materials used by the conventional cup making machine such as plastic, metal, porcelain clay, paper and the like and specifically using concrete as a raw material. The cup making machine mainly consists of a frame, a motor, a hydraulic device and upper and lower dies; and by changing the dies, the cup making machine has the function of producing cement bowls and cement discs and fulfills multiple purposes in one machine. According to the solidification property of cement, all products are free from the traditional baking process. At present, the products are only used in production such as rubber production, commonly called as rubber cups and rubber bowels.

The invention relates to a seawater desalinization device using solar energy, a natural cold source and a sea surface. The seawater desalinization device using the solar energy, the natural cold source and the sea surface is characterized in that a lower pool, an upper pool and a light-permeable shed are orderly arranged in a boat body; in winter, fresh water is produced in a natural freezing manner in the boat body; and in the other seasons, the fresh water is produced in a solar-energy seawater distillation manner. The invention has the following beneficial effects that: the seawater desalinization device disclosed by the invention is floated in seawater so that the seawater desalinization device does not occupy any land resource; the fresh water yield of the seawater desalinization device disclosed by the invention is higher than the fresh water yield of a conventional device for distilling seawater only with solar radiation in winter; actions of the seawater desalinization device disclosed by the invention are all depended on natural forces so that a power device, power consumption and manpower are not needed; and because the seawater desalinization device disclosed by the invention can be floated on the sea, the boat body can be freely and selectively called at any high-quality seawater area for seawater desalinization.

The invention discloses an intelligent photovoltaic road and application thereof. The intelligent photovoltaic road comprises a photovoltaic power generation system arranged above the road, an energy storage system arranged on one side of the road and a wireless charging system arranged below the road. The photovoltaic power generation system is used for converting solar energy into electric energy; the energy storage system is used for storing electric energy generated by the photovoltaic power generation system; the wireless charging system is used for supplementing electric energy to the electric vehicle. According to the intelligent photovoltaic road, the photovoltaic power generation system located above the road is combined with the energy storage system and the wireless charging system, the transmission distance between the wireless charging system and the charging end of the electric vehicle is shortened, the charging efficiency is improved, the electric vehicle can be charged in the driving process, and charging is more convenient and safer; the intelligent photovoltaic road is convenient to maintain, does not need to damage the road surface, does not affect the lighting performance of the road, and greatly reduces the manufacturing cost and the maintenance cost of the intelligent photovoltaic road.

The invention relates to an open treatment system for an air wash water type three-dimensional biologic chain membrane body for governing polluted water and a building method of the open treatment system. The system comprises a main carrier, a first circle of HY microbial membrane body region, a second circle of air wash water region, a third circle of HY microbial membrane body region, a fourth circle of aquatic swimming animal region, a fifth circle of HQY2 microbial membrane body region, a biological bacterium mixture sprinkling water repair region, a benthic shellfish region and an aquatic plant ecological purification region. The method comprises specific steps of respectively building the units. The open treatment system is energy-saving and environment-friendly, and does not occupy soil resources; a lot of building materials and energy consumption required for building sewage treatment plants can be saved; the open treatment system is capable of adjusting measures to local conditions, and governing polluted water on the spot, is free of limitation of the factors such as variation in water level in rainy seasons and dry seasons, and is maneuverable, flexible, fast, high in practicability, low in investment, fast in acting, low in operation management cost and the like; and both symptoms and root causes are treated.

The invention relates to a method for making ice and salt and desalinating sea water with natural resources. The method is characterized in that a freezing pond, a solarization pond and a crystallization pond are built in sequence on a sloping beach; buoyancy gates arranged on a dam; in case of rising tide, the gates float up automatically so that sea water rushes into the freezing pond and the solarization pond; when the water level rises continuously, the gate on one side falls down automatically so that the sea water is entrapped in the freezing pond; after the sea water flows out of the solarization pond, the gates fall down to close the solarization pond; when the air temperature is below 0 DEG C, the sea water in the freezing pond is frozen; when the air temperature is higher than 0 DEG C, a drainage passage is opened so that the non-frozen sea water flows into the solarization pond; ice is frozen and thawed repeatedly due to the change of the air temperature, brine in the ice is discharged into the solarization pond, and finally the ice is thawed into fresh water; the sea water in the solarization pond is evaporated under the actions of the sun and the wind; and when the salinity reaches 20 degrees, the sea water flows into the crystallization pond to be used as material to make salt. The method can substantially utilize the natural energy resources to achieve the purposes of opening the gates to introduce sea water, draining, making ice, desalinating sea water and making salt.

The invention discloses stereoscopic parking equipment which comprises a driving device, a tracked sleeve, a vehicle-mounted plate and a spiral transmission device fixed to a lateral wall of the vehicle-mounted plate, wherein the spiral transmission device comprises a screw rod, the screw rod is vertically arranged and is in driving connection with the driving device, and the screw rod verticallypenetrates through the inside of the tracked sleeve; a sliding rail comprises an upper straight rail, an inclined rail and a lower straight rail which are in smooth transition from top to bottom, andthe inclined rail extends along a lateral wall of the curve surface of the tracked sleeve; a connection block is fixedly arranged on a lateral wall of a striking block, and the vehicle-mounted plate is fixedly arranged on the connection block. The stereoscopic parking equipment disclosed by the invention has the beneficial effects: 1, the parking mode is novel: a vehicle obliquely avoids ground vehicle obstacles, vehicle operation time and space are shortened, and occupation space of the whole parking lot is saved; 2, space is reasonably utilized: upper-layer space of existing ground parking spots is perpendicularly utilized, and no other land source is occupied; 3, the space utilization rate is doubled: a certain spatial angle is formed between an upper-layer parking spot and a ground parking spot, and the parking spots are twice of the ground.

The invention relates to a facility for making ice to desalinize and preparing salt by utilizing natural resources. The facility is characterized in that: a freezing pond, a brine sun-curing pond and a crystallizing pond are orderly arranged on a slope beach, wherein the freezing pond is provided with a buoyancy gate comprising a one-side gate, a gas valve and an ejection block; when the spring tide rises, the one-side gate automatically floats, the seawater floods into the ponds, the one-side gate raises along with the water, a handle of the gas valve is in contact with the ejection block, a drainage bolt is rotated and unscrewed, and the water in the one-side gate is automatically sunk to retain the seawater in the ponds. The brine sun-curing pond is provided with a buoyancy gate comprising gates on both sides and a self-locking mechanism, wherein the gates on the both sides are controlled to float and sink by the self-locking mechanism. A drainage channel is arranged on a lowermost position of the freezing pond and communicated with the brine bathing pond, and a brine sun-curing channel is arranged on the lowermost position of the brine sun-curing pond and communicated with the crystallizing pond. The facility for preparing the ice to desalinize and preparing the salt by utilizing the natural resources has the capabilities of basically automatically opening the gates to divert the water and discharging the water as well as making the ice to desalinize and preparing the salt by natural energy.