35 results about "Salt pan" patented technology

The invention relates to the technical field of unmanned aerial vehicle laser point cloud, and discloses a digital elevation model construction method based on an unmanned aerial vehicle laser radar, and the method comprises the steps: carrying out the field flight of a target region based on an unmanned aerial vehicle carrying a laser radar load, and obtaining the point cloud data of the laser radar; and based on the laser radar point cloud data, carrying out point cloud data calculation to generate a digital elevation model. The technical means that the unmanned aerial vehicle carries a laser radar load is adopted, field flight is carried out on an east area salt pan sedimentation basin area to obtain laser radar point cloud data, the instrument integrates a high-precision laser scanner and an inertial navigation system, the overall structure is small, the weight is light, and the instrument is suitable for data collection on an unmanned aerial vehicle platform; high-precision three-dimensional data of the earth surface can be rapidly collected in real time, and point cloud data calculation is carried out through digital green soil LiDAR360 software to generate a digital elevation model.

The invention provides a salt pan valve control method, system, equipment and medium, and relates to the technical field of salt pan valves, and the control method comprises the steps: firstly obtaining a sample evaporation pool parameter and a sample evaporation pool salt pan valve control signal, and training an initial salt pan valve control model to obtain a salt pan valve control model; inputting the target evaporation pond parameters into the trained salt pan valve control model to obtain a first control signal of the salt pan valve of the target evaporation pond, and finally controlling the salt pan valve of the target evaporation pond according to the first control signal. Wherein the parameters of the evaporation pond comprise the seawater concentration, the permeation capacity and the seawater color in the evaporation pond, and further comprise the seawater concentration and the seawater surplus of the next evaporation pond. The method can improve the salt mining efficiency.

The invention relates to the technical field of unmanned aerial vehicle laser point cloud, and discloses a plateau salt lake area earthwork volume measurement method based on an unmanned aerial vehicle laser radar, and the method comprises the steps: obtaining digital elevation models of a target area before and after cleaning; wherein the target area is a plateau salt lake area; and based on the digital elevation model before and after the target area is cleaned, analyzing the terrain model before and after the cleaning through spatial analysis and overlay analysis functions, and calculating the clear salt volume of the Eastern region salt pan sedimentation basin area to obtain the final filling and excavation volume. According to the method, the digital elevation model (DEM) of the area before and after cleaning is taken as the basis, the terrain model before and after cleaning is analyzed through spatial analysis and overlay analysis functions, the salt cleaning volume of the area of the salt pan sedimentation basin in the eastern region is calculated, the final filling and excavation amount is obtained, and the calculation mode can realize the accurate amount of the filling and excavation amount.

The invention discloses an ecological restoration method for a bird habitat in a waste salt pan, which belongs to the technical field of ecological restoration and comprises the steps of arranging a shoal area, arranging a shallow water area and a light beach, arranging a circulation channel and building a concave polder embankment to control the water inlet and outlet speed of the salt pan. A shallow water area and a light beach are constructed in the waste salt pan to form a salt pan shoal habitat, and a water system network is formed in each shoal area space through a shallow ditch; the waste salt pan repaired by the method provides a rest and foraging place for waterfowls; along with the periodical change of the rising and falling tide water level of the salt pan, a sustainable waterfowl habitat for maintaining dynamic balance among benthic organisms, waterfowls and planktons is formed, and the restoration of the natural ecology of the waste salt pan and the restoration of biological diversity are accelerated; later-stage maintenance is easy, manual weeding and natural bait feeding are not needed, water level control is simple and convenient, cost is saved, and excessive funds and manpower do not need to be input.

The present invention provides a multi-feature continuous extraction method for multi-type waters in the coastal area based on Landsat-8 images, comprising the following steps: S1. Obtain Landsat-8 images, and preprocess the Landsat-8 images to obtain spectral reflectance images; S2. Based on the spectral reflectance images, extract waters in the coastal zone to achieve a rough positioning of the coastal zone. The extraction of waters in the coastal zone includes water body extraction and water body edge enhancement; S3. Continuously extract the extracted water body areas according to preset water body types, and the water body types include aquaculture ponds, salt pans, rivers and lakes. The present invention continuously extracts multi-type waters in the coastal area based on regional projection, spectral and geometric features, and can improve the accuracy of water body extraction.

The present application relates to a salt field for spreading brine, comprising a plurality of salt ponds (1), a brine inlet channel (2) and a brine outlet channel (3). The brine inlet channel (2) is arranged on one side of a salt pond group (10) and is in communication with each salt pond (1) in the salt pond group (10) and is provided with a brine inlet gate (22). The brine inlet channel (2) is also provided with a brine guide gate (23) corresponding to each salt pond (1) at intervals. The brine outlet channel (3) is arranged on the other side of the salt pond (1) and is in communication with each salt pond (1) in the salt pond group (10) and is provided with a brine outlet gate (32) to control the on-off of the brine. Therefore, by using the brine inlet channel (2), the brine outlet channel (3), and the brine inlet gate (22), the brine guide gate (23) and the brine outlet gate (32) arranged corresponding to the salt pond (1), the brine can be injected into a single salt pond for spreading under special circumstances, avoiding the effect of brine mixing, which is beneficial to improve the yield of potassium chloride and prevent too much sodium chloride from accumulating and occupying the space of the sodium salt pond.

The utility model discloses a salt film tarpaulin cover closed take-up and pay-off device which comprises a main body, a take-up mechanism, an adjusting mechanism and a pulling and pay-off mechanism, the take-up mechanism comprises a take-up motor, a take-up frame, a covering piece and a connecting rod, and the adjusting mechanism comprises a movable plate, a rolling shaft, a limiting rod, a first rolling wheel and a fixing assembly. The fixing assembly comprises a spring, a clamping block and a limiting block, the pulling and releasing mechanism comprises a pulling and releasing motor, a pulling rope, a connecting ring, a second pulley and a fixing frame, under the mutual cooperation of all the mechanisms and components, the device can automatically take back a salt film, it is ensured that the salt film is flatly and rightly stored, and therefore manpower is saved, and production efficiency is improved. The spreading angle of the salt film can be accurately adjusted according to needs, the covering range can be better controlled, different terrains and environment conditions can be better adapted, the covering effect and the production efficiency of the salt pan are optimized, and finally, the length of the salt film is accurately controlled, so that material waste is reduced, and the operation accuracy is improved.

The invention discloses a method for reducing the chlorine content of a high-chlorine salt pan by using a recyclable adsorption material. The method comprises the following specific steps: (1) putting the recyclable adsorption material into a mesh bag, and uniformly placing the mesh bag in a dead furrow dug in advance according to a checkerboard type distribution point; (2) adding water for leaching, blocking a water outlet of the dead furrow, and reacting for a certain time; (3) discharging the adsorbed outlet water along the same direction of the dead furrows into a water collecting tank for leaching again; and (4) taking out the adsorption material, airing and drying for reuse. The method is easy to operate, wide in application range and low in cost, the chlorine content of the soil can be well reduced, and the purpose of reducing chlorine in the high-chlorine salt field is achieved.

The invention belongs to the technical field of photovoltaic power systems, and particularly relates to a salt light fish three-body one-position photovoltaic panel automatic cleaning device, system and method. The automatic cleaning system comprises a double-sided photovoltaic module which is arranged in a solarization salt pan and used for collecting salt, light and fish, an automatic cleaning device used for cleaning the front face and the back face of the double-sided photovoltaic module and a device platform used for automatically collecting and releasing the automatic cleaning device, and the double-sided photovoltaic module comprises a photovoltaic panel supporting structure and photovoltaic panels with the front face and the back face generating electricity. A multifunctional device nest and an operation room are arranged on the upper portion of the device platform, a clear water tank and a sewage tank are arranged on the lower portion of the device platform, the automatic cleaning device can complete automatic detection and automatic cleaning of the photovoltaic panel, and an adsorption sensor is adopted to keep plane balance so as to achieve operations such as front face and back face double-face cleaning of the photovoltaic panel. According to the salt pan photovoltaic panel cleaning device, the problem of salt pan photovoltaic panel cleaning is solved, the labor cost expenditure is reduced, the safety of cleaning personnel is guaranteed, the working efficiency is greatly improved, and the cleaning effect of the photovoltaic panel is guaranteed.

The utility model discloses a device for preventing secondary crystallization of subcholafite in the conveying process of old brine in a salt pan, which comprises a brine pipe, a brine pump connected with the brine pipe, an adsorption tower connected with the brine pump and a liquid storage tank connected with the adsorption tower, and is characterized in that an inlet of the brine pipe is connected with a subcholafite diluting device; the subchlorite diluting device comprises a diluting water tank, the diluting water tank is connected with a diluting water pipe, the diluting water pipe is connected with a diluting water pump, one end of the diluting water pipe is provided with a diluting distributor, and the diluting water pipe is fixedly connected with the brine pipe through the diluting water distributor; according to the dilution water dilution equipment provided by the device, brine crystal minerals at the inlet of the upstream brine pipeline pump are dissolved technologically, pipeline crystallization can be avoided, blockage of a subsequent system is reduced, stable operation of the equipment is ensured, and the brine conveying efficiency is improved.

The invention discloses a salinity concentration control method and device of a salt pan system and the salt pan system. The method comprises the following steps: acquiring salt pan data corresponding to a salt pan system; estimating solar parameters according to the electric power parameters; determining a first water flow according to the initial salinity concentration and the target salinity concentration; adjusting the first water flow according to the solar parameter to obtain a second water flow; determining an initial adjustment value of the concentration intervention assembly according to the second water flow and the operation parameters of the concentration intervention assembly, and controlling the concentration intervention assembly to operate according to the initial adjustment value; according to the current salinity concentration and the target salinity concentration, the initial adjustment value is updated through real-time feedback adjustment, and the concentration intervention assembly is controlled to operate according to the updated adjustment value, so that the salinity concentration in the salt pan system is controlled. According to the invention, the technical problem that it is difficult to simply and accurately control the salinity concentration in the salt pan in the prior art is solved.

The invention provides a salt lake brine efficient salt extraction salt pan system and method. The salt pan system comprises a top-to-bottom multi-stage connection type brine self-flowing salt extraction channel formed by a plurality of magnetic attraction type gravity self-flowing devices, an electric field intervention salt extraction device is arranged in each magnetic attraction type gravity self-flowing device, and the magnetic attraction type gravity self-flowing devices are erected at different heights through supports. The water inlet end of the uppermost stage of magnetic gravity self-flowing device is connected with the water outlet end of the brine extraction channel, so that brine in the brine extraction channel enters the multi-stage connection type brine self-flowing salt extraction channel, and the water outlet end of the lowermost stage of magnetic gravity self-flowing device is communicated with the brine discharge channel. By increasing the contact surface area of the brine and air and using the electric field driven ion migration enrichment principle, the brine salt crystallization and separation process is intervened and accelerated, efficient salt extraction of the salt lake brine is achieved, and the problems that an existing salt lake brine salt extraction technology is insufficient in efficiency, cost, environmental protection and the like are solved.

The utility model belongs to the technical field of salt field retaining dams, and particularly relates to a retaining dam check gate which comprises a red brick slope protection body, a vertical pile structure and a supporting structure. An inspection pedal is arranged at the top of the red brick slope protection body, a pipeline penetrates through the inspection pedal, and a main gate body is arranged on the outer side of the pipeline; the vertical pile structure comprises a plurality of glass fiber reinforced plastic vertical piles arranged at the bottom of the inspection pedal, and the glass fiber reinforced plastic vertical piles are symmetrically distributed on the two sides of the main gate body and arranged in a matrix mode. The supporting structure comprises an inclined supporting plate, a vertical supporting plate and a transverse supporting plate, and the inspection pedal and the red brick slope protection body are supported through the supporting structure. The device is convenient and fast to mount, is beneficial to improving the working efficiency, and solves the problems that in the related technology, soil sampling on a salt pan site is relatively difficult, and under general conditions, large equipment is needed for cofferdam and dam blocking, the cost is high, the time is long, and the working efficiency is low.

The utility model relates to the technical field of ballast rakes, in particular to a ballast raking rake for a salt pan. According to the technical scheme, the triangular harrow comprises a triangular harrow body and triangular consumption teeth, the triangular consumption teeth are fixedly installed on the two sides of the front surface of the triangular harrow body at equal intervals, and traction connecting rods are symmetrically and fixedly connected to the two sides of the front surface of the triangular harrow body. According to the utility model, the traction resistance when the active slag rake advances can be reduced, the performance of breaking a salt layer is improved, the crushing and mixing of the salt layer are facilitated, and meanwhile, the damage of a pond plate in the crystallizing pond is also avoided.

The utility model provides a salt pan liquid level density measuring device. The salt pan liquid level density measuring device comprises a detection part and a telescopic part, wherein the telescopic part comprises a shell; the driving part is arranged on the shell; the first moving part is movably arranged relative to the shell; and the second moving part is fixedly connected with the detection part, the second moving part is movably arranged relative to the first moving part, the driving part is provided with a first driving end and a second driving end, the first driving end is in driving connection with the first moving part, and the second driving end is in driving connection with the second moving part, so that the detection part can be movably arranged relative to the shell. According to the technical scheme of the utility model, the problem that different depths in the salt pan are difficult to detect in the prior art is solved.

The utility model discloses a gamma instrument fixing device for preventing crossing of a salt pan butt joint well, and belongs to the technical field of salt pan butt joint well monitoring. A gamma instrument fixing device for preventing crossing of a salt pan butt joint well comprises a gamma instrument body, a drill rod and a drill bit, connecting ends are arranged at the two ends of the gamma instrument body, the two ends of the gamma instrument body are in threaded connection with one end of the drill rod and one end of the drill bit through the connecting ends, and two first cavities are formed in the two connecting ends respectively. Limiting assemblies used for preventing the gamma instrument body from rotating are arranged in the first cavities respectively. According to the utility model, when the gamma instrument body is tightened, a drill rod or a drill bit is used for jacking and pressing the seesaw, and the spring telescopic rod is inserted into the limiting hole, so that the rotation of the gamma instrument body is limited, the purpose that the installation is firm and not easy to loosen is achieved, the spring telescopic rod is driven by the shifting plate to stretch and retract, and the limiting of the gamma instrument body is relieved; the purpose of disassembling the gamma instrument body is achieved.

The invention relates to the technical field of aquaculture, in particular to an ecological engineering regulation and control method for improving the quality of sea cucumbers in an argillaceous bottom salt pan, which comprises the following steps: establishing a salt pan argillaceous bottom sea cucumber pond, and configuring culture equipment according to the area of the salt pan argillaceous bottom sea cucumber pond; according to the data of the salt pan muddy bottom sea cucumber pond, a fermented compound microbial agent is put, organic matters in the bottom mud of the salt pan muddy bottom sea cucumber pond are decomposed, and a sea cucumber-algae-shellfish multi-nutrition hierarchical comprehensive culture system is constructed; the culture density is planned according to a sea cucumber-algae-shellfish multi-nutrition-level comprehensive culture system, and the salt pan muddy bottom sea cucumber pond environment is optimized. Aiming at the ecological characteristics of the argillaceous salt field, the method systematically improves the substrate environment, optimizes the micro-ecology of the water body, effectively reduces the biochemical oxygen demand of the bottom mud, increases the dissolved oxygen, reduces the water changing frequency, remarkably improves the quality of the sea cucumbers, and realizes the ecological, high-quality and high-valued cultivation of the sea cucumbers in the argillaceous salt field.

The invention discloses a spiral progressive type salt pan controllable salt forming structure and a salt pan controllable salt forming method. The salt forming structure comprises brine flow channels arranged in a spiral pattern and a temperature control device, the peripheral area is a first salt production area for separating out first salt, and the central area is a second salt production area for separating out second salt; the economic value of the first salt is lower than that of the second salt; the temperature control device is arranged in the central area. Through the design of a salt pan space structure, two different salt production areas are distinguished by utilizing a spiral structure from outside to inside, and important salt precipitation nodes are concentrated in a very small central area space, so that the brine temperature, convection and other salt precipitation conditions in the area can be manually controlled at low cost; the large-scale controllable salt formation according to the phase chemical salt formation theory has possibility; the brine forms salt in the flowing process, different salt components can be prevented from being different in spatial distribution of the brine flow channel according to the salt separation sequence, and accurate salt product obtaining is easier.

In order to overcome the defects in the prior art, the utility model provides a salt receiving mechanism capable of automatically cleaning a salt tray, which is characterized by comprising an equipment frame, a manipulator, a material rack, a salt receiving device and a cleaning device, the equipment frame is arranged on the ground; the manipulator is arranged above the equipment frame, a salt receiving device is arranged between the manipulator and the equipment frame, the manipulator is downwards provided with a material rack, and the material rack is positioned in the salt receiving device; the salt receiving device comprises a salt receiving frame and a salt receiving disc, and the salt receiving device is connected with the manipulator through the guide device; the salt receiving disc is arranged at the bottom of the salt receiving frame, the front end of the salt receiving disc is rotationally connected with the salt receiving frame, and the rear end of the salt receiving disc is lapped with a frame at the rear end of the bottom of the salt receiving frame; a lifting mechanism is arranged at the rear end of the equipment frame and can abut against the bottom of the salt receiving disc when ascending. The cleaning device comprises a drainage tank and a water inlet pipe, the drainage tank is arranged on the top face of the front end of the equipment frame, the water inlet pipe is arranged behind the equipment frame, and the water outlet end of the water inlet pipe is located above the rear end of the salt receiving disc.

The application discloses an air power salt field in-situ spraying unmanned ship, and aims to solve the problems of easy damage of a bottom bed, easy crystallization and blockage of an underwater mechanism and poor spraying uniformity of a traditional salt field equipment. The unmanned ship comprises a load platform, an air power propulsion system, a water taking mechanism and a spraying system. The air power propulsion system is used for non-contact driving of the platform to move and turn, all moving parts of the air power propulsion system are located above a liquid surface in a working state, the water taking mechanism is used for in-situ dynamic extraction of clean surface brine, the spraying system is used for atomization and large-scale uniform spraying of the brine to strengthen evaporation, and a control system is used for realizing autonomous operation. The application avoids the brine crystallization and corrosion problem from the source, protects the bottom bed of the salt field, and realizes efficient, accurate and unmanned in-situ evaporation strengthening operation.

The invention discloses a concentrated seawater co-production process based on chlorine cycle and membrane-salt pan synergy, which comprises the following steps: extracting bromine from seawater desalinated concentrated seawater, neutralizing to obtain bromine-extracted concentrated seawater, and concentrating one part of bromine-extracted concentrated seawater by electrodialysis ED to obtain liquid salt; the residual concentrated seawater and light salt brine generated by electrodialysis ED concentration enter a salt pan to be sunned to prepare salt, and the obtained industrial salt and liquid salt prepared by electrodialysis are jointly used as electrolysis caustic soda raw materials; liquid salt obtained through electrodialysis and industrial salt obtained through salt pan tedding serve as raw materials to be prepared into saturated salt water, caustic soda is produced through an ionic membrane electrolysis method, chlorine as an electrolysis byproduct is mainly used for PVC production, the other part is used for concentrated seawater bromine extraction, bromine, chlorine and sodium chemical resources are fully utilized in the concentrated seawater utilization process, and therefore a seawater utilization industrial chain is formed.

The invention discloses a closed salt manufacturing device capable of controllably evaporating and crystallizing saline water. The device comprises a salt pan, a sealing cover arranged on the salt pan in a sealed mode, an intelligent internet-of-things unit, a central control unit and an optimization operation execution unit. The salt pan is externally or internally provided with a salt manufacturing production operation frame structure; the sealing cover is designed into a top sealing structure based on a salt production operation frame structure; the intelligent internet-of-things unit is used for measuring the temperature, humidity, moisture and impurity content in the salt pan and transmitting the measured data to the central control unit; the central control unit generates an optimization operation instruction according to the measurement data and transmits the optimization operation instruction to the optimization operation execution unit; and the optimization operation execution unit executes optimization operation according to the optimization operation instruction. Through the synergistic effect of the salt pan, the sealing cover, the intelligent internet-of-things unit, the central control unit and the optimization operation execution unit, the salt manufacturing efficiency and the product quality can be remarkably improved.

The application discloses a salt field live clinker rake and relates to the technical field of salt field tools. The application comprises rake bodies, the number of the rake bodies is two, reinforcing ribs are fixedly connected between the two rake bodies, rotating shafts are rotatably connected to the inner wall top of the rake bodies, mounting boxes are fixedly connected to the bottom of the rotating shafts, rake tooth assemblies are arranged below the mounting boxes, locking assemblies for limiting the rake tooth assemblies are arranged on the surface of the mounting boxes, inclined angle adjusting assemblies for adjusting the direction of the rake tooth assemblies are further arranged on the surface of the rake bodies, and retreat frames are fixedly connected between the two rake bodies. When the live clinker rake is moving, the sensor is in contact with the plastic tarpaulin winding and unwinding rope. The sensor feeds back to the operator, the operator can control the mechanical arm of the traction equipment to lift the live clinker rake, so that the live clinker rake passes over the surface of the rope, and the winding and unwinding of the plastic tarpaulin rope and the live clinker rake during the operation is avoided.

The invention relates to the technical field of salt pan production, and discloses a salt pan production equipment predictive maintenance system based on artificial intelligence, and the system comprises an equipment real-time monitoring and dynamic maintenance period modeling module which obtains the real-time operation data of salt pan production equipment and builds a dynamic maintenance period model; the equipment abnormal state trend prediction module is used for carrying out abnormal state development trend prediction based on the dynamic maintenance period model and equipment historical fault features; and the key equipment health state comprehensive evaluation and priority ranking module is used for carrying out comprehensive evaluation and priority ranking on the health state of the key equipment according to the multi-source sensing data. According to the salt pan production equipment predictive maintenance system based on artificial intelligence, by obtaining the real-time operation data of the salt pan production equipment and establishing the dynamic maintenance period model, dynamic regulation and control of the maintenance period are achieved, and the problems of resource waste and equipment failure rate increase caused by over-maintenance or under-maintenance are effectively avoided.

The utility model belongs to the technical field of auxiliary devices for salt pan production hydraulic structure culvert pipes, and particularly relates to a device for automatically starting a drainage function of a salt pan culvert pipe, which is arranged at a port of the culvert pipe and comprises an embedded structure and a wooden flap valve. The embedded structure is embedded in a concrete breast wall above a culvert pipe, supporting connecting pieces are welded to the embedded structure, and the supporting connecting pieces are welded to the outer side of the embedded structure in a grouped mode. The wooden flap valve corresponds to the port position of the culvert pipe, an inverted-U-shaped connecting piece is arranged on the upper side of the wooden flap valve, the inverted-U-shaped connecting piece is connected with each group of supporting connecting pieces in a one-to-one correspondence manner through bolt connecting pieces, and the surface of the wooden flap valve is coated with a damping sealing layer; the utility model provides a device capable of automatically starting a drainage function and preventing backwater, which can replace a traditional wood gate in a special drainage area, can be automatically opened and closed by utilizing upstream and downstream water level difference, can simultaneously prevent brine from flowing backwards, does not need additional power and manual operation in the opening and closing process, reduces manpower and electric power cost, and is convenient to use. The production benefit is increased.

The invention relates to a salt pan wheel type ballast machine full-flow path planning method and device, and the method comprises the steps: firstly obtaining the boundary vertex coordinates of a to-be-operated salt pan parcel and the coordinates of the central position of a field entrance, and obtaining the boundary line of an internal reciprocating operation region through a boundary shrinkage method; determining the number of operation lines and a target line spacing based on the boundary line, and generating an internal reciprocating operation path; expanding the internal boundary line and correcting the intersection point to obtain an outer ring operation path; a field entering path is constructed by combining the position of a field entering opening, a field exiting path is constructed according to the position, opposite to the field exiting opening, of the last path line of the internal reciprocating operation, and finally a full-flow path set covering road field entering, field operation and operation field exiting is integrated. According to the running characteristics of the wheel type ballast moving machine and the salt pan operation scene, smooth connection of paths of all stages is achieved, full-period automatic coverage of operation is achieved, the problems that in the prior art, adaptability is insufficient, and the automation degree is low are solved, and core technical support is provided for large-scale unmanned application of the wheel type ballast moving machine.

The utility model discloses a salt pond non-contact type mine thickness measuring device and a hydromining machine thereof, the salt pond non-contact type mine thickness measuring device comprises depth measuring instruments arranged on two sides of the hydromining machine along the mining direction, two detecting instruments are respectively distributed corresponding to a mined area and a non-mined area, the detecting instruments are matched with RTK base stations, GNSS RTK equipment and GPS positioning equipment, the RTK base stations are erected at a wharf reference point, and the GNSS RTK equipment is arranged at the wharf reference point. The GNSS RTK device and the GPS positioning device are installed on the water mining machine, the GNSS RTK device, the depth finder and other devices are used for measuring the mine thickness in a salt pan in the mining process of the water mining machine, specifically, data of a mined area and data of an unmined area in original data are distinguished, and after the mine thickness is calculated through filtering, the mine thickness is calculated through the GPS positioning device. The method is used for calculating mineral reserves and mining quantity in real time and guiding the water mining machine to work, so that the mineral reserves in a salt pond and the mining quantity on the day are synchronously measured in the working process of the water mining machine, and the working of the water mining machine is guided.

The invention discloses a control method of a salt pond tarpaulin winding and unwinding device, and relates to the field of automatic tarpaulin winding and unwinding control. The take-up and pay-off device comprises reels at the two ends of the salt pond, multiple sets of winches, a control device and a detection device. The control method comprises the steps that the control device controls the reels and the winches to rotate at the preset speed; the detection device detects a first conveying speed and a second conveying speed of movement of two ends of the tarpaulin in real time and transmits the speed to the control device; the control device compares the two speeds with a preset speed, and if deviation exists, the rotating speed of the reel and the rotating speed of the winch are adjusted to be consistent with the preset speed; the detection device detects first tension of ropes at the multiple groups of winches in real time and transmits the first tension to the control device; the control device compares the first tension with first preset tension, and if a certain first tension deviates, the rotating speed of the corresponding winch is adjusted, so that the first tension is consistent with the first preset tension. The method can reduce manual intervention, avoid tarpaulin folding or stretching, prolong the service life of the tarpaulin and improve the automatic control level.

The invention relates to a method for culturing dry moss by using brine, and belongs to the technical field of artificial culture of marine green algae, and the method comprises the following steps: preparing a brine solution; the method comprises the following steps: selecting dry moss frond in a good growth state, cleaning, cutting the cleaned dry moss frond into algae sections, and uniformly putting the algae sections into a container filled with a brine solution and a substratum; stimulating the dry moss frond in the container to release spores / gametes by increasing illumination or increasing temperature; after the spores / gametes are attached to the substratum, the substratum is placed in aquaculture water for aquaculture culture; harvesting the algae when the algae cultured on the substratum reach a proper growth amount. The method is easy to operate, the yield and quality of the dried moss are improved by manually controlling the breeding environment, meanwhile, brine resources and the salt pan mud flat area are effectively utilized, and good ecological benefits and economic benefits are achieved.

The invention relates to a CFD (computational fluid dynamics) simulation-based salt lake and salt pan system model construction method, which comprises the steps of construction of a geometric model conforming to an actual salt pan size, grid division, setting of boundary conditions and UDS variables corresponding to four resource elements such as Li < + >, K < + >, B and Mg < 2 + >. The salt pan system model disclosed by the invention can accurately predict the distribution of the resource elements in the actual brine preparation process of the salt lake salt pan system, fully considers the effect of the brine evaporation rate and diffusion rate on the resource element migration, and can truly reflect the distribution rule of the resource elements in the salt pan system in the actual brine preparation process; a reasonable basis is provided for improving the salt pan system resource element recovery rate.