82 results about "Desert environment" patented technology

The invention provides a power transmission line tower body assembly positioning and hoisting attitude control method in a desert environment, and relates to the technical field of power transmission engineering construction, and the method comprises the steps: obtaining power transmission line tower body structure parameters and desert environment parameters, the desert environment parameters comprise geological conditions, wind speed and wind direction; establishing a laser positioning reference system, wherein the laser positioning reference system comprises three laser emitting devices with angle and distance sensors; the tower body sections are assembled and positioned, space coordinates are established through laser marking projection, and the positions are corrected through a self-adaptive algorithm; installing an inertial measurement unit; establishing a hoisting attitude control system which comprises a main arm crane, an auxiliary crane and a tensioning device; in the hoisting process, the center-of-gravity offset is calculated based on the attitude data, and each device is controlled to realize attitude stabilization; and finally, curing materials are injected into the tower body foundation to complete installation.

The present invention relates to the technical field of desert environment monitoring, and discloses a desert ecological environment monitoring and early warning method and system. The method comprises: determining the vegetation index and soil spectral characteristics of the monitoring area based on aerial images of the monitoring area, and evaluating the monitoring score of the monitoring area. Based on the relationship between the monitoring score and the historical monitoring score, determining whether to conduct environmental monitoring of the monitoring area, wherein: when the monitoring score is less than the historical monitoring score, the monitoring area is subjected to environmental monitoring. Based on the soil data and environmental data of the monitoring area, the soil score and environmental score of the monitoring area are determined, and the desertification score of the monitoring area is evaluated. The historical desertification scores of the monitoring area in adjacent time periods are obtained, and the early warning level of the monitoring area is determined based on the difference between the desertification score and the historical desertification score. The present invention timely evaluates the ecological status of the monitoring area by comprehensively analyzing the data of the monitoring area, thereby achieving early warning and effective management of desertification.

The invention relates to the technical field of desert control, in particular to a vegetation planting method for desert control, which comprises the following steps: building a protective barrier by using a wind prevention and sand fixation material; performing compression molding on the agriculture and forestry solid waste to obtain an ecological cylinder; the interior of the ecological cylinder is sequentially filled with a part of anti-seepage breathable sand and a part of humus soil, then sequentially filled with various culture soil containing strains, and then filled with the other part of humus soil and the other part of anti-seepage breathable sand; filling a carbon-based fertilizer and a sustained-release material containing microbial strains capable of decomposing organic matters among the culture soil containing the strains; a specific plant is planted in the ecological cylinder, and it is ensured that the root of the plant is located in the culture soil containing the strains; after a plurality of holes are punched in the vegetation planting area, the ecological cylinders are inserted into the holes, fixed and watered, and vegetation planting is completed. According to the invention, the growth and reproduction of plants in the desert environment can be effectively promoted, the vegetation coverage area is gradually increased, and the desert ecological environment is improved.

The invention discloses a vehicle control method, electronic equipment, a vehicle, a computer readable storage medium and a computer program product. The method comprises the steps of constructing a three-dimensional sand model according to current state information of a sand road surface under the condition that a vehicle runs on the sand road surface; and according to the three-dimensional sand model, controlling the vehicle to run on the sand pavement. Therefore, the three-dimensional sand model can be constructed according to the current state information of the sand road surface when the vehicle runs on the sand road surface, so that the state of the current running environment of the vehicle, such as the positions of quicksand and sand pits, can be determined according to the three-dimensional sand model, and the vehicle can be controlled to run on the sand road surface according to the three-dimensional sand model. Such as quicksand, sandpits and the like are avoided, so that the safe driving of the vehicle in the desert environment is realized.

The invention relates to the technical field of organic high-molecular compounds, in particular to a sand-fixing adhesive and a preparation method thereof. The gel comprises the following components: a polysaccharide solution, acrylamide and an initiator, wherein the polysaccharide solution is a 0.5-2wt% polysaccharide aqueous solution. By optimizing polymerization reaction conditions, the molecular weight of the obtained sand-fixing adhesive is not lower than 10000000, the pH value is 6-7, the sand-fixing performance is remarkably improved, and meanwhile growth of plant root systems is facilitated; the moisture content is lower than 5%, soil moisture evaporation is effectively delayed, and the moisture condition of the desert environment is improved; the pH value of the adhesive is about 6.5 and is close to neutral, so that the growth of plant roots is facilitated; the ash content is less than 15%, the material stability is good, and the durability during use is ensured.

Systems and methods for performing contactless wellhead displacement measurements in a desert environment include adjusting an alignment of optical components in an optical system based on a temperature of the optical system. A pattern of infrared light is projected from the optical system onto a portion of a wellhead, the infrared light having a wavelength away from water absorption wavelengths and solar maxima wavelengths. Reflections of the pattern of infrared light from the portion of the wellhead are captured using an imaging sensor of the optical system. A displacement of the wellhead is measured based on the projected pattern of infrared light and the reflections.

The invention discloses a manufacturing method of a bionic sand sculpture for tourism landscape construction in desert. The sand sculpture landscape belongs to special bionic sand sculpture landscapes in desert areas, and is used for improving mystery, interestingness and ornamental value in desert The desert characteristic biomimetic landscape comprises a glass fiber reinforced plastic rollover ancient biological model which is formed by pouring bare concrete materials, a dielectric layer formed by mixing polyurethane and colorful aggregate according to the proportion of 8: 2 is sprayed on the surface of the glass fiber reinforced plastic rollover ancient biological model, and fine sand grains with the thickness of 3 mm are bonded to form the desert characteristic biomimetic landscape. The invention discloses a manufacturing method of a bionic sand sculpture for tourism landscape construction in desert. The manufacturing method is characterized in that the interior of the sand sculpture is rollover by glass fiber reinforced plastics to form an ancient organism shape. The fair-faced concrete material is used for pouring, polyurethane and colorful aggregate are sprayed on the surface of the fair-faced concrete material to bond fine sand grains, and the desert characteristic biomimetic landscape with the appearance integrated with the desert is formed. The desert sightseeing robot is used for desert sightseeing to increase mystery, interestingness, ornamental value and scene story

This invention provides a wind erosion monitoring system and method based on distributed optical fiber, belonging to the field of optical-based wind and sand monitoring technology. It includes: constructing a wind erosion monitoring system comprising a linearly tunable laser, an optical isolator, a first coupler, an upper branch, a lower branch, a sand particle capture sensor, a photoelectric detection and acquisition module, and a host computer; utilizing the Rayleigh scattering signal of the linearly swept laser in the sensing optical fiber and the interference with a reference light, the vibration information distributed along the optical fiber is obtained by demodulating the beat frequency signal; combining the constructed sand particle impact and optical fiber coupling model, the dynamic strain generated by sand particle impact is converted into phase changes, realizing the acquisition of sand particle impact location, sand particle size, and sand particle quantity. This invention enables continuous distributed monitoring of wind and sand flows with high spatial resolution, and has advantages such as resistance to electromagnetic interference, strong environmental adaptability, and multi-parameter sensing, and can operate stably for a long time in harsh desert environments.

The utility model provides a photovoltaic panel installation platform, and relates to the technical field of construction platforms. The technical scheme of the utility model comprises a bearing platform; the number of the connecting hanging rods is four, and the four connecting hanging rods are connected to the four corners of the bearing platform respectively; and the hook is connected with the upper end of the connecting hanging rod and is connected with a cross beam of the photovoltaic panel bracket in a hanging manner. According to the scheme, the mounting platform is changed from a vertical type to a hanging type, so that the technical problem that the mounting platform is difficult to provide stable supporting force in a desert environment is solved.

The utility model belongs to the technical field of petroleum drilling and production, and particularly relates to a petroleum drilling and production auxiliary tool box convenient to move, which comprises a tool storage box, movable universal wheels are symmetrically and fixedly connected to the bottom of the tool storage box, and electric telescopic rods are symmetrically arranged on the inner sides of the movable universal wheels. The bottom of the electric telescopic rod is fixedly connected with a connecting plate, the bottom of the connecting plate is fixedly connected with a first threaded rod, and the outer side of the first threaded rod is in threaded connection with an annular threaded seat. According to the desert petroleum drilling and production device, when a worker conducts petroleum drilling and production work in a desert area, the position of a tool storage box can be flexibly moved according to construction requirements, and the position of the tool storage box can be transferred in the desert environment through a sliding bottom plate; and the problem that in the process of transferring the tool storage box through the movable universal wheels, the movable universal wheels are prone to falling into sand in the moving process due to the fact that sand and stones on the desert road surface are soft can be well solved.

The invention discloses an intelligent irrigation and self-degradation rod device for desert sand prevention, control and stabilization, and belongs to the technical field of desertification control and ecological restoration engineering. The device is of an integrally formed structure and comprises an overground spiral rod and an underground water storage fermentation tank, the total length is 55 cm, and the diameter is 3 cm. The outer surface of the overground spiral rod is provided with three vortex type spiral sand blocking water flowing grooves used for blocking sand wind and collecting rainwater, and the collected rainwater is guided into the underground water storage fermentation tank through a water guide pipe. The device body is made of degradable composite materials and comprises 40% of agricultural and pastoral straw sawdust, 30% of coal gangue, 20% of organic clay and 10% of biological adhesive. An automatic drainage system based on the siphon principle is arranged in the water storage fermentation tank, and the functions of water collection, water storage and irrigation can be achieved without external power. The device can be completely degraded in a desert environment within 2-3 years, and soil nutrients are released. The device is standardized in structure, suitable for mechanical arrangement and used for desert soil improvement and ecological restoration.

This invention discloses a cooling control method and device for a lithium battery energy storage system in a desert environment, relating to the field of new energy storage technology. The method includes: constructing a shallow desert heat exchange structure, optimizing the coolant pipeline layout, fixing the pipeline with bricks and supports, and installing rotatable claw-shaped metal fins driven by worm gears on the outside of the pipelines, combined with a light sensor to achieve adaptive switching of the day and night heat exchange mode; constructing a closed-loop cold plate dual-circulation liquid cooling system, dividing the cooling circuit into internal and external circulations for the energy storage tank, adapting to desert day and night conditions; using a host computer as the control core, controlling the switching of the diversion valve based on light sensing signals, and executing a graded temperature control strategy; establishing a multi-zone flow optimization algorithm, guided by minimizing the comprehensive temperature control target, weighted optimizing temperature control indicators, and iteratively calculating and allocating the optimal flow rate of the branches to achieve coordinated and efficient cooling of the system. This invention achieves energy-free cooling of the coolant, solving the problem of high energy consumption in desert energy storage cooling.

The utility model relates to the technical field of temperature and pressure wind sensors, and especially relates to a temperature and pressure wind sensor protective housing used in a desert environment. According to the technical scheme, the device comprises a shell and a plurality of sensing holes formed in the shell, and further comprises a filter cover fixedly installed on the shell and used for blocking the sensing holes; and a multi-stage filtering mechanism. Through cooperation of the filter cover, the multi-stage filter mechanism, the storage mechanism, the vibration mechanism and the like, solid particles such as sand and dust can be effectively prevented from entering the sensing hole of the sensor through multi-stage filtration, it is ensured that the sensing hole is kept smooth for a long time, and high efficiency of the sensor is maintained. And entering particles can be effectively intercepted, damage of the particles to internal elements of the sensor is reduced, and the service life of the sensor is prolonged. In addition, sand grains are automatically collected after being driven by wind power, filtering holes can be continuously kept unobstructed, hole channel blockage caused by sand grain accumulation is avoided, and therefore unsmooth circulation or equipment faults caused by blockage are avoided.

According to the pumping unit polish rod packing gland and the sand prevention device and method suitable for the desert environment, the packing gland is a cylinder, an inner through hole is formed in the packing gland in the axis direction, the size of the inner through hole is larger than that of a polish rod, and pressing external threads corresponding to internal threads of a packing box are arranged on the periphery of the lower portion of the cylinder; a channel which penetrates through the column body and is communicated with the inner through hole is arranged on the column body above the pressing external thread, and the channel can be communicated with an exhaust port of a fan. The size of an internal thread on the lower portion of the packing gland is matched with that of the packing box, and the packing gland can be directly installed on the top of the packing box to replace an existing gland of the packing box. The size of the inner through hole of the ventilated packing gland is slightly larger than that of the polish rod, and it is ensured that clean air conveyed by a draught fan can be continuously dissipated outwards along the gap between the inner through hole and the polish rod. According to the invention, the polish rod of the oil pumping unit running in the desert environment cannot adhere to or carry sand and dust into the packing box, and the packing and a lubricating system in the packing box of the polish rod cannot be polluted by the sand and dust.

The utility model discloses a wind and sand prevention handle sleeve and low-voltage switch equipment in the technical field of low-voltage electric appliance component equipment. The handle sleeve comprises a cover plate with the covering area larger than an opening of a handle groove, and an annular feature is arranged on the inner side of the upper portion of the cover plate; the shape of the inner side of the annular feature is matched with the shape of a handle part on the upper portion of the handle in a sleeved mode, the size of the inner side of the annular feature is smaller than the width of a handle groove, the inner side of the cover plate is provided with a plugging part for supporting the two sides of the handle groove, the low-voltage switchgear comprises a panel and the handle, the panel is provided with the handle groove, and the handle moves in the handle groove. According to the energy storage switch cabinet, the problem that the energy storage operation of the switch cabinet is affected by sand wind in the desert environment in the prior art is solved, and the beneficial effects that the space is reasonably utilized, the structure is simplified, and the universality is improved are achieved.

The application discloses a sand go desert environment wind turbine gearbox maintenance decision optimization method and system, wherein: firstly, the online residual life prediction value, inspection information and environment state of the gearbox are acquired; then, the prediction and inspection information are fused through a double-path calibration network, the point value life is calibrated according to the posterior probability, and the survival consistency constraint is introduced to obtain the residual life probability distribution; then, the interval failure risk is calculated based on the distribution, the maximum safe maintenance interval meeting the preset risk threshold is solved, and the risk feasible maintenance window is formed; at the same time, the environment accessibility function is constructed in combination with the wind speed, temperature, dust and road conditions, and the time-varying operation and maintenance cost model is established, which comprises the outgoing cost, operation cost, shutdown loss and collaborative maintenance discount; finally, in the risk feasible window, the optimal maintenance time and action with the minimum total cost are solved through a rolling optimization strategy. The application can significantly improve the reliability and economy of the maintenance decision in the sand go desert complex environment.

The invention provides a green environment-friendly adhesive as well as a preparation method and application thereof, the green environment-friendly adhesive is prepared from naturally existing macromolecular polymer salt and shows high adhesion strength on different matrixes, and the adhesion effect of the green environment-friendly adhesive is far better than that of reported adhesives based on protein and natural macromolecular materials; the bonding time of the adhesive is long, and after a three-year accelerated aging test is simulated, the bonding strength is slightly attenuated; the adhesive has high-temperature resistance and low-temperature resistance, the bonded material can tolerate the extreme temperature of-150 DEG C to 200 DEG C without stripping, and in the dry extreme environments such as the dry high-temperature desert environment and the dry low-temperature space environment, the adhesive can meet the bonding requirements of materials with rough surfaces; the SFA can be separated from the surface by using an environment-friendly nontoxic alkaline sodium carbonate or sodium bicarbonate solution without damaging the surface of the base material, so that the SFA adhesive can be applied to the bonding of precious materials of the base material, such as the special fields of cultural relic repair and the like; the interface bonded by the green environment-friendly adhesive can be repeatedly used after being soaked in water, and the interface separated after soaking can be re-bonded for at least 10 times after being shifted without reducing the bonding capacity; the raw materials of the natural biopolymer are sufficient and low in price, so that the SFA has higher economic value and large-scale application potential.

The application discloses a hole digging device, a planter and a planting method, and belongs to the technical field of planting. The application solves the problem that after the hole digging device digs a planting hole in a desert environment, the planting hole is easily submerged or covered, a seedling throwing device cannot be aligned with the planting hole, and the planting efficiency is low. The application comprises a driving mechanism, a hole digging mechanism and an opening and closing control mechanism. The driving mechanism is used for controlling the rotation and lifting of the hole digging mechanism. The hole digging mechanism comprises a drill bit with a hollow cavity. One end of the drill bit is open, and the other end is an opening and closing end. The opening and closing control mechanism is used for controlling the opening and closing of the opening and closing end. The application is provided with the drill bit with the hollow cavity and the opening and closing end. After digging a hole, the opening and closing end is opened during lifting of the drill bit, the seedlings or seeds in the hollow cavity are left in the planting hole, planting is completed, the problem that the seedling throwing mechanism cannot be aligned with the planting hole in the desert environment is avoided, and the planting efficiency is improved.

The invention discloses a desert terrain self-adaptive spiral drilling and seedling planting all-in-one machine, and relates to the technical field of agricultural drilling and seedling planting, the desert terrain self-adaptive spiral drilling and seedling planting all-in-one machine comprises a bottom plate, a hollow rotating drum is rotatably inserted in the middle of the top surface, and a left first motor drives the hollow rotating drum through a first chain belt. A drill spindle is slidably inserted into the hollow drum, a spiral blade is fixedly arranged on the lower half section, and the screw pitch is gradually increased in arithmetic progression from top to bottom. Rectangular channel steel is fixed to the bottom plate, a lead screw is rotatably inserted into the bottom plate, a U-shaped plate driven by the lead screw is slidably arranged in the middle of the bottom plate, and the front face of the U-shaped plate is fixedly connected with an L-shaped plate. The right side of the bottom plate is provided with a control assembly for controlling the two motors to start and stop. Through structural adaptation, stable transmission and intelligent control, efficient drilling and seedling planting in the desert are achieved, efficiency is improved, safety is guaranteed, the desert environment is adapted, and desert greening is facilitated.

The invention discloses a metal collecting vehicle for desert, and belongs to the technical field of metal resource collecting equipment. Comprising a rack, a moving mechanism, a metal collecting mechanism and a metal screening mechanism; the rack is fixedly installed on the moving mechanism, and the metal screening mechanism is installed on the rack and is of a funnel structure with an upper opening and a lower opening. The metal collecting mechanism comprises a rotating unit and a bucket; the two rotating units are symmetrically installed on the two sides of the metal screening mechanism. The multiple buckets are installed between the two rotating units at intervals in the rotating direction of the rotating units. Aiming at the desert environment, large-scale metal automatic collection can be carried out in the desert, and the collection efficiency of metal in desert gravel is improved.

The invention discloses a sand barrier manufactured by using waste wooden building templates and a manufacturing method of the sand barrier, and belongs to the technical field of sand barriers, the sand barrier comprises a barrier plate and a connecting piece, the connecting piece comprises more than one clamping groove piece, each clamping groove piece comprises a bottom plate and two side plates, a clamping groove used for being clamped with the barrier plate is formed between the bottom plate and the two side plates, and the bottom plate and the two side plates are connected through the clamping grooves. And a slope plate is arranged in the clamping groove. The baffle plate of the sand barrier is manufactured by using the waste wooden building template, so that the production cost is low, the service life in a desert environment is long, and large-scale manufacturing is facilitated; the connecting pieces are matched with the wedge blocks, the multiple baffle plates are combined to form the sand barrier, no other parts are arranged, laying is time-saving, labor-saving, rapid and efficient, and the sand barrier is suitable for being conveniently used in the desert environment. The use efficiency of the waste wooden building template is greatly improved; the sand barrier manufactured by the waste template is good in stability, the sand barrier body is prevented from lodging and loosening when the bottom is elutriated, and the sand-blocking and sand-fixing effects can be effectively played for a long time.

The invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic array structure suitable for desert, which comprises a photovoltaic panel assembly and an inclination angle adjusting mechanism. The photovoltaic panel assembly comprises a frame and a plurality of strip-shaped photovoltaic panels arranged in the frame in an array mode, and the windward surfaces of the strip-shaped photovoltaic panels are covered with tempered glass layers. A gap consistent with the prevailing wind direction of the desert is formed between every two adjacent strip-shaped photovoltaic panels, airflow flowing through the gaps can conduct ventilation and heat dissipation on the strip-shaped photovoltaic panels, and the airflow is combined with gravity to be used for self-cleaning sand accumulation of the strip-shaped photovoltaic panels. The inclination angle adjusting mechanism comprises two sets of telescopic stand columns hinged to the frame, the inclination angle of the photovoltaic panel assembly is adjusted by adjusting the length of the telescopic stand columns, then sunlight is tracked, and sand grains can freely fall under the action of gravity through cooperation with airflow rapidly passing through the gap, so that the self-cleaning effect is achieved. According to the invention, the problems of heat dissipation and dust removal of the photovoltaic module used in the desert are effectively solved.

The utility model discloses a sand and dust prevention automobile hub suitable for desert environment, which comprises a hub, a pressure plate is fixedly connected with the inner recess of the hub, a sand prevention mechanism is in threaded connection with the back of the middle of the pressure plate, and a fixing ring is fixedly connected with the periphery of the hub. According to the sand-dust-proof automobile hub suitable for the desert environment, through the arrangement of the sand-proof mechanism, when the hub needs to be subjected to sand cross-country, a pressing disc is installed in the hub, a middle frame is installed on the back face of the pressing disc, the middle frame also plays a partial supporting role in the middle, and a sand-proof ring and a cover plate are installed on the periphery of the middle frame; the back face of the cover plate prevents sand from entering the hub from the back face, the hole is formed in the middle of the cover plate, a rotating shaft of an external automobile can penetrate through the hole to be installed, the effect of preventing a question from entering is achieved, and the situation that sand easily enters the hub through a hub gap, and consequently a brake system is abraded, and bearing sealing fails is avoided.

The invention belongs to the technical field of energy-saving evaporators, and particularly relates to a drawing type desert environment air conditioning evaporator which comprises an evaporator core integrated module, an evaporator main shell and a drawing guide mechanism. The evaporator core integrated module is installed on the evaporator main shell in a drawable mode, and drawing movement in the preset direction is achieved through the drawing guide mechanism, so that during maintenance, the evaporator core integrated module can be drawn to the external position from the evaporator main shell to be cleaned or replaced, and an air conditioner main unit does not need to be disassembled or refrigerants do not need to be released. By arranging the drawing guide mechanism, the evaporator core integrated module can integrally and stably go from the evaporator body along the guide rail, maintenance workers can conveniently and rapidly clean or replace a filter element and a fin assembly on site, the maintenance difficulty and the downtime are effectively reduced, meanwhile, it is ensured that refrigerant leakage caused by vibration during normal use is avoided through the design of a sealing structure, and the service life of the evaporator is prolonged. The evaporator core integrated module is more convenient to maintain, and the maintenance period is shorter.

The present invention discloses a measurement and collection system for a sandy lake-groundwater composite system. When the system drives the collector to descend through a cable, the threaded rod drives the threaded sleeve to rotate, and the rack drives the movable ring to move downward through the gear transmission. When the movable ring descends to a predetermined position, the threaded ring engages with the inner thread of the fixed ring, driving the end face gear to rotate, and the contact plate is pushed into close contact with the well wall through the driven gear and the active screw sleeve, forming a stable support structure, which effectively improves the stability of the system in a strong wind environment. During sampling, the pumping motor drives the active incomplete gear to engage with each layer of gear in turn, driving the driven incomplete gear and the gear ring to move, so that the piston rod slides back and forth in the pumping pipe, realizing automatic collection of water samples at different depths. The system can complete multi-depth sampling by simply releasing the cable. It is easy to operate and has good stability. It is particularly suitable for groundwater collection operations in harsh desert environments and can effectively ensure the accuracy and continuity of sampling data.

This invention provides a multifunctional integrated experimental chamber for testing the adaptability of photovoltaic modules in extreme desert environments. The chamber includes a main body housing several nozzles, several ultraviolet lamps, a humidifier, and a dehumidifier; it also includes a fan, a cavity, a first and a second air duct connected in parallel between the fan and the cavity, a heating chamber mounted on the first air duct, and a cooling chamber mounted on the second air duct; and several hydraulic motors. The beneficial effects of this invention are: it can simulate various harsh environmental conditions in the desert, such as high temperatures in summer, low temperatures in winter, dry or occasional humid conditions, intense solar radiation, and wind, sand, and rain erosion. Multiple environmental parameters can be controlled collaboratively, enabling a realistic simulation of the combined effects of the desert environment. It can comprehensively evaluate the performance, durability, and reliability of photovoltaic modules in extreme desert environments, providing important evidence for the research, development, production, and application of photovoltaic modules.

The invention discloses a portable solar air water taking device and method suitable for a desert environment, and belongs to the technical field of air water taking. The device comprises a box body and a detachable shell, wherein the interior of the box body is divided into an upper condensation collection area and a lower water taking evaporation area; the evaporation area is filled with a silica gel adsorbent, and leaves are opened at night to adsorb water vapor in air; during daytime, the blades are closed, the shell is installed, waste heat generated by operation of the solar cell panel is conducted to the heat conduction fins through the micro heat pipes, and the adsorbent is heated to release water vapor; and the water vapor rises to the top V-shaped condensation surface, is condensed into water drops on the radiating fins coated with the hydrophobic coatings, and is converged into the middle water tank along the 45-degree inclined surface. The characteristics of large day and night temperature difference, rich solar energy and the like of desert are fully utilized, extra energy is not needed, the structure is light and detachable, efficient, low-cost and independent fresh water acquisition is achieved, and the device is suitable for desert greening, field survival and other scenes.

The application discloses a kind of desert remote sensing image lake extraction methods based on SSI and water body index fusion, comprising the following steps: based on the remote sensing image data obtained by GEE platform, calculate suspended sediment index (SSI) and water body index;Suspending the fusion processing of silt index and water body index, obtain fusion image, to enhance the distinguish degree of lake area and background area;Proposed classification method is segmented by single index threshold value;Based on the proposed classification method, the fusion image is classified, and the lake area is accurately extracted. It can effectively improve the accuracy of lake extraction in desert environment, especially in the lake area containing high concentration of silt and the desert area with strong surface reflection. Through the fusion of the two technologies, the advantages of different spectral indexes can be fully utilized to achieve more accurate water body identification in complex environment.

This application provides a drilling simulation system and method based on a desert scenario. The system establishes a data-driven relationship between environmental parameters and equipment performance models through a coupling processing module. This allows dynamic environmental data to influence the values ​​of virtual equipment performance parameters through mathematical rules, thereby simulating the continuous impact of the environment on equipment status. Addressing the issue that macroscopic environmental simulation output data cannot be used for real-time operational simulation, the data generated by the environmental simulation module is real-time and can be directly used as calculation input for the coupling processing module and the effect simulation module, achieving compatibility with operational simulation. Furthermore, through equipment performance status, the environmental impact is simultaneously transmitted to the physical interaction level and the operational decision-making level. This transforms environmental factors from isolated external conditions into core variables that drive the simulation process and shape training difficulty. Therefore, it can significantly improve the simulation effect of drilling operations in extreme desert environments.

The invention discloses a seedling branch cutting machine, and belongs to the field of forestry machinery. The equipment comprises a main rack, a traction frame, a branch placing and feeding mechanism and a branch cutting mechanism. The branch placing and feeding mechanism achieves automatic conveying through a symmetrical chain plate structure, a chain plate is composed of a chain and a rubber concave-convex plate, and a motor drives a gear to conduct transmission. The cutting mechanism comprises a land wheel, a cutting wheel and a shoe type furrow opener, and an inner branch clamping ring and an outer branch clamping ring of the cutting wheel are combined by adopting elastic and soft materials and are matched with a ring supporting wheel and a ring pressing wheel to realize accurate clamping and cutting. The equipment can meet the requirements of a desert extreme environment and a conventional area, ditching, branch conveying, cuttage and soil covering operation can be automatically completed, the cuttage efficiency and the survival rate are effectively improved, and the labor intensity of workers is relieved.