45 results about "Land improvement" patented technology

The invention provides a water-retaining material as well as a preparation method and application thereof, and finds that corn glume has extremely high water absorption rate and can be used as an excellent water-retaining material. The glume is obtained by crushing corncobs and then carrying out winnowing and gradient sieving, and the particle size is 2-3mm. In order to effectively utilize the material, the obtained corn glume, a binder, an expanding agent and water are mixed and granulated to prepare water-retaining agent particles, and the water-retaining agent particles are easy and convenient to apply, high in water-retaining capacity and capable of effectively improving the water-retaining capacity of soil and improving the temperature, humidity, conductivity and bulk density of the soil; therefore, the method has important commercial value for soil and land improvement.

The invention discloses a global land comprehensive improvement coupling evaluation and decision optimization method and system, a medium and a product, and relates to the field of land improvement evaluation. The method comprises the following steps: extracting first data of each suitability index from basic data of global land comprehensive improvement to obtain an improvement suitability index; calculating the change rate of each benefit index according to the second data before renovation and the third data after renovation so as to obtain a renovation benefit index; the coupling coordination degree of the target geographic unit is calculated based on the improvement suitability index and the improvement benefit index, and when the target geographic unit needs to be optimized, a differential improvement optimization strategy for the target geographic unit is matched and generated from a preset strategy knowledge base according to the coupling mismatch type to which the target geographic unit belongs; and generating a resource allocation scheme with the expected comprehensive benefit maximization under the renovation resource constraint condition input by the user. By implementing the technical scheme, the suitability and the benefit of global land comprehensive improvement can be scientifically evaluated.

A method for identification of land improvements in a given parcel of land that includes generating a first training data set by clipping a large image of a parcel of land into individual parcel images each including images of improvements, and each improvement being labeled with an improvement type, providing the individual parcel images to a first classification model, training the first classification model based on the individual parcel images to identify unlabeled improvements in a parcel image and to obtain a multi-label classifier, generating a second training data set of images, and training a second, semantic segmentation model based on the second training data set.

The invention relates to the technical field of irrigation saline-alkali soil improvement, in particular to an irrigation saline-alkali soil improvement method based on straw adsorption and water conservancy regulation, which comprises the following steps: acquiring multi-depth soil parameters and surface meteorological data of an irrigation area, and establishing a soil water-salt dynamic migration coupling model; calculating a vertical moisture flux and a plowing layer net salt flux by using the model; calculating an accumulated salt return risk index to obtain a salt return risk grade; building a straw decomposition index by using multi-depth soil parameters; on the basis of the straw decomposition index, updating the soil water and salt dynamic migration coupling model; in response to the fact that the salt return risk level is a high risk, constructing an optimization objective function; resolving and optimizing the objective function to obtain an optimal irrigation strategy; outputting an optimal irrigation strategy to an irrigation control system, and feeding back the optimal irrigation strategy to the model as an irrigation rate; according to the invention, threats can be identified before a high-risk salt return event occurs, the timeliness and initiative of regulation and control are improved, and the balance between treatment benefits and economic cost is realized.

The invention discloses a natural recovery method and device for a historical remaining mine. The method comprises the following steps: receiving geographical location information and climate information of a to-be-recovered historical remaining mine; fusing and identifying the multi-source remote sensing data for the historical remaining mine, and determining the to-be-recovered region type of the to-be-recovered region; according to the to-be-recovered region type, determining a recovered target region type; superposing terrain, soil, hydrology and pollution data by using a geographic information system (GIS) to generate a recovery potential coefficient; the recovery potential coefficient is used for adjusting a recovery target; making an ecological restoration plan according to the restoration target, the geographic position information, the climate information and the target area type; according to an ecological restoration plan, a ground robot is used for land improvement and sensor laying, an aerial robot is used for sowing, deinsectization, nutrient spraying and microorganism putting, and an intelligent irrigation system is used for irrigation; monitoring information is obtained; and adjusting and refining the ecological restoration plan based on the monitoring information.

The utility model discloses a ploughing device for land improvement relates to farming equipment technical field, including ploughing subassembly and mounting seat, ploughing subassembly and mounting seat are fixedly connected, mounting seat includes fixed plate and two semi-circular plate, two semi-circular plate are fixedly installed in fixed plate one end middle part both sides, the semi-circular plate is fixed in fixed plate one end middle part both sides, the semi-circular plate is fixed in fixed plate one end middle part both sides, the semi-circular plate is fixed in fixed plate one end middle part. And semicircular worm wheels are fixedly mounted in the middles of the two semicircular plates. When the ploughing angle is adjusted, the motor is started through external equipment to drive the worm to rotate, the sliding block is meshed with the semicircular worm gear, the worm can move along the angle of the semicircular worm gear, and the sliding block can also move along the sliding groove in the process. And then the fixed seat and the plowing angle of the whole plowing assembly connected with the fixed seat are driven to be adjusted, so that the device can be adjusted to the angle more suitable for turning and loosening soil according to the soil hardness, the plowing operation efficiency is improved, and the energy consumption and the operation time are reduced.

The application discloses a sludge directional hydroxyl radical wall-breaking drying and deodorization method and system, and belongs to the technical field of sludge harmless and resourceful treatment. The application generates hydroxyl radicals in-situ in a sludge system by nano-catalytic coupling with a weak electric field, and makes the hydroxyl radicals preferentially act on microbial cell walls and malodorous substances by precisely controlling the concentration of the hydroxyl radicals, the reaction time and the pH of the system, so that cell wall breaking, water releasing, dehydration drying and source deodorization are realized. Meanwhile, the deep oxidation and mineralization of macromolecular organic matter are inhibited, and the organic carbon source and nutrient components are maximally reserved. The moisture content of the treated sludge is significantly reduced, the sludge is odorless, the organic matter retention rate is greater than or equal to 85%, and the sludge can be directly connected with anaerobic digestion, aerobic fermentation composting or land improvement utilization. The application has the characteristics of fast treatment speed, low energy consumption, no secondary pollution and strong resource connection, solves the problems of long cycle of traditional processes, malodorous emission and organic matter loss caused by excessive oxidation, and is suitable for efficient pretreatment of high-organic sludge such as municipal sludge and food sludge.

The invention relates to the technical field of land improvement, in particular to a saline-alkali land pasture planting irrigation system which comprises a soil humidity detection module, a water source treatment module, an irrigation execution module and a control module. Wherein the soil humidity detection module is used for detecting real-time humidity data of soil, transmitting a detection signal to the control module in real time and judging whether the detection data of the soil humidity detection module is accurate or not, and then the control module outputs an adjustment instruction to the irrigation execution module for irrigation adjustment. Relatively stable comparison data are provided through physical detection of the humidity comparison unit, comparison is carried out in combination with data of the soil detection module, excessive deviation of the data of the soil detection module can be found in time, corresponding irrigation adjustment is adjusted, corresponding components are maintained or replaced, and it is ensured that an irrigation scheme meets soil requirements.

This invention provides a micro-electric field synergistic graphite / humic acid saline-alkali land improvement system and its construction method. The saline-alkali land improvement system includes a saline-alkali land improvement fertilizer and a low-voltage power supply system. The saline-alkali land improvement fertilizer is a four-layer composite particle, consisting of a core layer, an inner transition layer, an isolation layer, and an outer layer from the inside out. The outer layer contains modified graphite that has undergone surface hydroxylation and magnetic field-induced alignment treatment. The low-voltage power supply system is used to apply intermittent direct current to the saline-alkali land improvement fertilizer, which is distributed in the soil in an intermittent manner, to establish a micro-electric field between adjacent amendment strips. The saline-alkali land improvement fertilizer of this invention solves the problems of salt rebound and short-term effects of single amendments, and significantly improves the improvement efficiency of severely saline-alkali land. By establishing a micro-electric field inside the soil, a directional driving force is applied to charged salt ions, causing them to quickly detach from the crop root zone and be efficiently captured and fixed by the functional components in the formula, thereby improving the desalination rate and improvement depth.

The invention belongs to the technical field of land improvement, and particularly relates to an agricultural land improvement device which comprises a frame, and walking wheels are rotationally arranged at four corners of the frame; the topsoil crushing and transferring mechanism is arranged in the frame, the soil inlet end of the topsoil crushing and transferring mechanism is located below the front end of the frame, the soil outlet end of the topsoil crushing and transferring mechanism is located below the rear end of the frame, and the topsoil crushing and transferring mechanism is used for crushing and transferring topsoil of the land needing to be improved and repaired; the deep soil crushing and transferring mechanism is arranged in the frame, the soil inlet end of the deep soil crushing and transferring mechanism is located below the rear portion of the soil inlet end of the surface soil crushing and transferring mechanism, and the soil outlet end of the deep soil crushing and transferring mechanism is located above the rear portion of the soil outlet end of the surface soil crushing and transferring mechanism. The deep soil crushing and transferring mechanism is used for crushing and transferring the deep soil of the land needing to be improved and repaired. The agricultural land improvement effect can be improved.

The utility model relates to the technical field of land improvement agents, and discloses a white slurry soil improvement agent application depth control device which comprises a fixing plate, the top of the fixing plate is fixedly connected with a supporting seat, the interior of the supporting seat is fixedly connected with a first motor, and the other end of an output shaft of the first motor is fixedly connected with a rotating shaft in a sleeved mode. And the other end of the rotating shaft is fixedly sleeved with a rotating plate. By arranging the rotating shaft, the rotating plate, the sleeve rod, the rectangular rod and the protective shell, when the first motor starts to operate, the rotating shaft drives the rotating plate to rotate, the rotating plate extrudes and pushes the sleeve rod, and the sleeve rod drives the rectangular rod and the protective shell to move downwards under the limiting action of the fixing plate; and finally, a second motor drives a drill bit to move vertically downwards together, so that the depth of a hole drilled by the drill bit in the ground is adjusted, the depth of subsequent fertilization is further influenced, and the application effect of the land conditioner is improved.

The utility model discloses water and soil loss prevention equipment for comprehensive land improvement, which comprises a wrapping layer, grass seeds are filled in the wrapping layer, a stabilizing layer is arranged at the top of the wrapping layer, a plurality of inserting rods are uniformly inserted in the wrapping layer and the stabilizing layer, and the tops of the inserting rods are jointly and fixedly connected with a baffle. By means of the structure, when the wrapping layer and the stabilizing layer are stabilized through the baffles and the inserting rods, the effects of blocking water flow and reducing water and soil loss are achieved. After the grass seeds grow to form a vegetation covering layer, water and soil loss can be further effectively prevented, the problem that water and soil cannot be well protected in the grass seed production period is solved, effective protection on the land is achieved, and the risk of water and soil loss is reduced.

The invention discloses a surveying and mapping survey device for land improvement, and relates to the technical field of land improvement, the surveying and mapping survey device comprises a surveying instrument main body, a mounting support, a supporting bracket and a bracket joint, the bracket joint is arranged at the lower part of the supporting bracket, the upper part of the supporting bracket is connected with the mounting support, and the mounting support is connected with the surveying instrument main body; the supporting support comprises an inner pipe and an outer pipe, the outer pipe is connected with the inner pipe in a sleeved mode, a connecting end is arranged on the lower portion of the inner pipe and connected with the support connector through a bolt, and a hinge joint is arranged on the upper portion of the outer pipe and connected with the installation support. According to the surveying and mapping investigation device for land improvement, different foundation working conditions can be matched according to needs through the replaceable support connectors, the carrying cost of measurement equipment is reduced, and the operation turnover efficiency is greatly improved; and due to the scientific arrangement of the connecting frame, the problems of positioning deviation and operation blockage in the joint switching process are further solved, and rapid and accurate switching of the joints is achieved.

The invention provides a land ploughing device for land reclamation, and relates to the technical field of land reclamation, the land ploughing device comprises a fixed seat, a supporting seat is welded to the bottom of the fixed seat, a rotating column is rotatably mounted on the supporting seat, a roller is fixedly mounted on the rotating column, and a fixed hanging lug is welded to the side of the fixed seat; the feeding assembly comprises a feeding pipe. According to the device, the land is ploughed to form ditches through the ploughing knife, fertilizer or other objects in the feeding pipe fall into the ditches after ditching, the fertilizer is covered along with falling of soil on the two sides, the fertility of the soil is increased through the fertilizer, and therefore the land improvement requirement is met, quantitative falling of the fertilizer is achieved through movement of the movable block during feeding, and the fertilizer is prevented from falling off. When the movable seat drives the movable block to control feeding, the fixed rod moves up and down in the feeding pipe to extrude, push and crush the fertilizer, so that the fertilizer can conveniently fall down, and the influence caused by accumulation of the fertilizer at the feeding pipe is avoided.

The utility model discloses vibration impact type soil hardening crushing treatment equipment, and belongs to the technical field of agriculture and land improvement machinery, the vibration impact type soil hardening crushing treatment equipment comprises a bottom plate, and a connecting structure is arranged on one side of the top of the bottom plate; the device is novel in design and ingenious, hardened soil can be crushed more completely by arranging the crushing mechanism, after the plough turns the hardened soil, a first motor drives a rotating rod to rotate, the rotating rod then drives a rotating wheel and a crushing cutter to rotate, the turned soil is cut and crushed by the crushing cutter, and when the depth of the hardened soil is large, the soil is crushed more completely. The elastic screw can be unscrewed, the eccentric block is rotated, the vibration excitation degree of the eccentric block is changed, the elastic screw is tightened after adjustment is completed, scales are arranged on the surface of the eccentric block, more accurate angle adjustment can be achieved, rotation of the first motor is converted into high-frequency vibration through the eccentric block, deep hardening is broken, and the air permeability of soil is improved. And the practicability of the device is greatly improved.

The utility model discloses a leaching device for saline-alkali soil improvement, and relates to the field of saline-alkali soil improvement. The leaching device for saline-alkali soil improvement comprises a main pipeline, the main pipeline is composed of a plurality of selectable water conveying sections and a tail section, the water conveying sections and the tail section are each provided with a plurality of main pipe connectors, and the main pipe connectors are connected with branch pipelines or sealing covers; the branch pipeline is composed of a branch pipeline body and a plurality of branch pipe connectors, the branch pipe connectors are installed on the branch pipeline body, and the branch pipeline body is connected with a drip washing spray head or a plug. According to the drip washing device for improving the saline-alkali soil, a proper number of water conveying sections, branch pipelines and drip washing nozzles are selected according to the site condition of the saline-alkali soil, it can be ensured that drip washing water uniformly covers the whole saline-alkali soil area, and the situation of missing washing or repeated drip washing is avoided, so that the drip washing efficiency is improved.

The utility model discloses a land reclamation leveling device which comprises a bucket and a mounting frame, the mounting frame is arranged at the top of the bucket, the surface of the bucket is provided with an assembly adjusting mechanism matched with the mounting frame for use, and a material distribution plate is arranged on the rear side of an inner cavity of the bucket in a sliding mode. The front side of the material distribution plate is fixedly connected with a plurality of spacing blocks at equal intervals. According to the land improvement and leveling device, the material distribution plate and the spacing block which do reciprocating motion are arranged in the bucket, so that the material distribution plate and the spacing block can relatively and uniformly throw crushed soil shoveled into the bucket into the land through reciprocating motion, and then the land pit is made up, and then the mounting plate and the material shifting rod are arranged on the front side of the material distribution plate, so that the material distribution plate and the spacing block are convenient to mount. The material stirring rods can move along with the material distribution plate, and then relatively stir fed materials at the top of the conveying belt, so that the materials at the top of the conveying belt can be relatively flat, and follow-up discharging is facilitated.

The vinegar residue biological bacterial fertilizer preparation device comprises a device body and a top cover, the device body is sleeved with a lantern ring, absorbent cotton is embedded in the lantern ring, the absorbent cotton is sleeved with a mounting ring, the top of the lantern ring is fixedly connected with a funnel, the surface of the mounting ring is fixedly connected with a clamping block, and the clamping block is fixedly connected with the top cover. The surface of the mounting ring is fixedly connected with a top plate. According to the vinegar residue biological bacterial fertilizer preparation device for saline-alkali soil improvement, the device body is sleeved with the lantern ring, when materials need to be added into the device body, the lantern ring is directly sleeved with the device body firstly, then the materials can be added into the funnel, and when liquid splashes out in the feeding process, the device body is directly sleeved with the lantern ring; when the water-absorbing cotton is used for a long time and needs to be replaced, only the rod body of the water-absorbing cotton needs to be rotated, so that the rod body is separated from the inside of the buckle, and the feeding is more convenient.

The invention relates to the technical field of land improvement equipment, and discloses a compound fertilizer applying and spraying device based on land improvement, which comprises a frame body mounted at the tail end of a vehicle, a plurality of turning ploughs mounted on the front side of the bottom end of the frame body, and a plurality of soil covering plates mounted on the rear side of the bottom end of the frame body; the burdening assembly comprises a burdening part, a burdening box and two storage boxes, the burdening box is fixedly connected to the top end of the frame body, the two storage boxes are fixedly connected to the two sides of the top end of the burdening box respectively and communicate with the burdening box, the two storage boxes are used for storing solid fertilizer and liquid fertilizer respectively, and the burdening part is arranged in the burdening box and used for preparing mixed fertilizer; the conveying assembly comprises a conveying part and a plurality of conveying pipelines, and the conveying pipelines are in one-to-one correspondence with the turning ploughs, communicate with the batching box through the conveying part and are used for applying fertilizer into the land and controlling the applying amount and the applying interval of the fertilizer through the conveying part. The efficient preparation of the mixed fertilizer and the application of the compound fertilizer for land improvement are realized, and the application amount and the application interval are convenient to adjust.

This invention provides a comprehensive saline-alkali land improvement system based on sand blending and straw return to the field. It includes multiple improvement units set within the saline-alkali land, interconnected by connecting pipes. Each improvement unit consists of a bottom improvement bag and an improvement sleeve. The bottom improvement bag is filled with a layer of construction waste mixture. An opening is provided on the top surface of the bottom improvement bag, and the improvement sleeve, containing a sand blend layer, is fitted inside the opening. A straw blend layer covers the sand blend layer, level with the surface of the saline-alkali land. In the later stages of use, this invention naturally degrades, causing the construction waste blend layer in the bottom improvement bag to disperse, thus creating a circumferential improvement effect. This allows for regional improvement of saline-alkali land, driving overall improvement of the land, reducing the cost of saline-alkali land improvement, and facilitating improved economic efficiency.

The utility model relates to the technical field of land treatment, and discloses a soil loosening mechanism of land improvement equipment, which comprises an adjusting frame, adjusting plates are movably arranged on the two sides of the upper end face of the adjusting frame, a rotating shaft is rotatably arranged on the lower ends of the opposite sides of the two adjusting plates, and a plurality of fixed wheels are arranged on the outer surface of the rotating shaft. Fixing bolts are arranged at the midpoints of the lower portions of the multiple fixing wheels, three mounting rods are arranged on the outer surfaces of the multiple fixing wheels, and threaded rods are embedded in the midpoints, close to the front end and the rear end, of the lower end face of the adjusting frame. According to the soil loosening device, after the mounting plates are arranged at the positions, close to the front end and the rear end, of the lower end face of the adjusting frame, the coulter can be replaced according to different soil loosening requirements, meanwhile, the coulter can be conveniently and rapidly installed and fixed through the arranged rotary knob and the arranged rubber block, and meanwhile after the two adjusting plates are arranged on the upper end face of the adjusting frame, the coulter can be conveniently replaced. And the positions of the arranged plowshare and the fixed wheel can be adjusted, so that the land can be turned better.

A method for transforming saline-alkali land, in the field of land improvement technology, includes the preparation of wood ash granules, the preparation of mixed organic matter granules, granule mixing, and precise determination of application amount. It provides a novel and comprehensive method for transforming saline-alkali land by utilizing the resources of waste from biomass power plants and combining it with a specific organic matter formula to reduce soil alkalinity and significantly improve soil permeability, water retention, and fertility, thereby transforming saline-alkali land into fertile land suitable for crop growth.

The agricultural saline-alkali land improvement auxiliary device comprises a tank body, a mounting frame is fixedly connected to the left side of the tank body, and a feeding opening is formed in the upper end of the tank body; the mixing assembly comprises a driving motor mounted at the upper end of the tank body, an output shaft of the driving motor extends into the tank body and is fixedly connected with a rotating shaft, a connecting cylinder is arranged in the tank body, the outer side of the connecting cylinder is fixedly connected with the inner wall of the tank body through a plurality of connecting rods, and the lower end of the rotating shaft penetrates through the connecting cylinder; the rotating shaft penetrates through the outer side of the connecting cylinder and is fixedly connected with spiral blades, the outer side of the rotating shaft is fixedly connected with a rotating cylinder, and the lower end of the rotating cylinder is fixedly connected with a conical cylinder. In the using process, the auxiliary device is matched with the rotary cultivator, soil obtained after rotary tillage of the rotary cultivator can be shoveled up and shaken into pieces to make full contact with atomized liquid modifier, and the actual improvement effect is effectively improved.

The utility model belongs to the related technical field of land improvement, and particularly relates to a non-woven fabric covering device for land improvement. Comprising a base, wheels are evenly and rotatably connected to the base, a storage box is fixedly installed on the base, supports are symmetrically and fixedly installed on the base, winding rollers are rotatably connected to the supports, fixed damping mechanisms are arranged on the supports and correspond to the winding rollers, non-woven fabric is connected to the winding rollers in a winding mode, and the non-woven fabric is wound around the winding rollers. An opening corresponding to the winding roller is formed in the base, and a uniform automatic discharging mechanism corresponding to the storage box is arranged on the base. Through structural improvement and optimization, laying of non-woven fabric and pressing of a soil pile in the later period are combined on one device, use is convenient, and the overall working efficiency is greatly improved; and the soil heap is released more uniformly, so that the anti-pressure capability of the non-woven fabric at each position can be ensured.

The utility model discloses a land improvement crusher which comprises a rack, a walking mechanism, an excavator bucket mechanism and a screening mechanism, the walking mechanism is arranged below the rack and connected with the rack, the excavator bucket mechanism and the screening mechanism are arranged on the front side and the rear side of the rack respectively, a first conveying device is arranged between the screening mechanism and the excavator bucket mechanism, and a second conveying device is arranged between the screening mechanism and the excavator bucket mechanism. A second conveying device is arranged on one side of the lower portion of the screening mechanism. The first conveying device is arranged on the rack, one end of the first conveying device is located below the rear portion of the excavator bucket mechanism, and the other end of the first conveying device is located above the double-layer vibrating screen; the screening mechanism comprises a mounting frame in the shape of a cuboid frame, a double-layer vibrating screen is arranged in the mounting frame, and the double-layer vibrating screen is obliquely arranged. The land improvement crusher disclosed by the utility model has the advantage that farmland stones are screened and crushed in situ.

The invention provides an agricultural land improvement cultivated land optimization method based on farmland carbon sink and benefit prediction, and relates to the technical field of land improvement. The method comprises the following steps: firstly, converting land used for a garden plot, a grassland, a facility agricultural land and a pond water surface into cultivated land, measuring the cultivated land area, calculating the net carbon sink amount and calculating the ecological benefit and the production benefit of agricultural land improvement by combining the carbon emission quota average price, thereby calculating the total benefit of the agricultural land after improvement; and constructing an area-cost-total benefit three-dimensional analysis model based on the relationship among the cost and total benefit of the agricultural land improvement and the area of the agricultural land improvement. On the basis of an area-cost-total benefit three-dimensional analysis model, agricultural carbon sink is brought into global land reclamation, the cost-total benefit balance time of agricultural land reclamation can be calculated more accurately, plowing is carried out in a planned manner, plowing planning for agricultural land reclamation is optimized, the participation power of farmers is mobilized, and the land reclamation efficiency is improved.

This invention discloses a natural force-driven soil surface evaporation and salt removal system and its application method, belonging to the technical field of saline-alkali soil treatment and salt resource recovery equipment. It includes a soil tank, a bottom drawer, a connecting drawer, a top cover, a water supply system, and a circulating ventilation system. The soil tank contains desalinated soil. Both the bottom drawer and the connecting drawer are open-top shells. The lower end of the bottom drawer is fixedly connected to the top of the soil tank (open at the top), and the upper end is connected to the bottom of the connecting drawer. The top cover is transparent and fits over the top of the connecting drawer. The water supply system supplies water to the desalinated soil in the soil tank, and the circulating ventilation system facilitates vertical convection ventilation of the hot air above the desalinated soil. This invention utilizes the dual driving forces of radiative evaporation and soil-water potential to drive saline water in the soil to the soil surface, separating water vaporization and salt crystallization. The crystallized salt is then manually scraped off, achieving resource utilization of salt and solving the problems of high cost, low efficiency, and difficult desalination in existing saline-alkali land improvement methods.

The utility model relates to the technical field of land improvement auxiliary devices, in particular to a saline-alkali land improvement auxiliary device which comprises a vehicle body. The spraying assembly is arranged in the vehicle body, and the handle is fixedly connected to the right side of the vehicle body; a motor III is started to drive a rotating wheel I to rotate, a front wheel rotates to drive the device to move through transmission of a transmission belt, meanwhile, a motor I is started to enable a rotating column to rotate to drive a soil turning blade, so that the device turns soil when moving, the turned soil is shoveled up through a soil shoveling groove, and a motor II is started to drive a scattering rod I to rotate. A first scattering rod and a second scattering rod rotate at the same time through a first gear and a second gear, shoveled soil is fully scattered, improvement liquid is injected into a liquid storage box through a liquid injection opening, a water pump is started to spray the improvement liquid out of a spray head, the improvement liquid is evenly sprayed on the scattered soil, and the problems that the device cannot scatter hardened soil, and medicine permeation is affected are solved.

The invention relates to the field of agricultural land improvement, in particular to a rolling and crushing construction method and device for a dry land-to-paddy field impermeable layer, and aims at solving the problems that in the prior art, a dry land-to-paddy field impermeable layer construction method is complex in procedure and large in work amount, the following scheme is provided and comprises the following steps that 1, a site is prepared, after the construction area is determined to be a full-body loam area, preliminary leveling is carried out, sundries are removed, and mechanical operation is ensured; secondly, an impermeable layer is constructed, specifically, a three-edge wheel impact road roller is used for conducting impact rolling on the field surface original soil for multiple times, or a vibratory roller is used for conducting vibratory rolling on the field surface original soil for multiple times; 3, surface soil crushing: crushing 30-40cm soil on the surface layer by using a hydraulic rotary cultivator, and loosening the surface layer soil. According to the method, construction steps are simplified, in-situ soil resources are utilized to the maximum extent, dependence on external materials is reduced, meanwhile, under the condition that a large amount of original soil is prevented from being stripped, the depth of a plough layer is effectively increased, and disturbance to the soil structure is reduced.

The utility model relates to the technical field of agricultural equipment, and discloses a spraying device for land comprehensive improvement and ecological restoration, which comprises a vehicle body, a hub is arranged at the bottom end of the vehicle body, a water tank is fixedly connected in the right side of the vehicle body, and a supporting plate is fixedly connected in the left side of the hub. A supporting column is fixedly connected to the upper surface of the supporting plate, a first motor is fixedly connected to the interior of the supporting column, a first connecting rod is connected to the output end of the first motor, a supporting rod is rotatably connected to the outer wall of a second connecting rod, a mounting rod is rotatably connected to the interior of the supporting rod, and a supporting assembly is arranged on the outer wall of the supporting plate. The supporting assembly is used for supporting the mounting rod. According to the utility model, the motor I drives the support rod to swing, so that the spraying track can swing in a fan shape or similar to a fan shape, uniform spraying can be carried out on a wider area, the spraying blind area is reduced, and the coverage area of single operation is increased.