1581results about "Soil lifting machines" patented technology

The invention relates to the technical field of ecological soil remediation, and discloses a moso bamboo ecological soil remediation directional regulation and control method and equipment which are used for solving the problems of insufficient light transmittance, low acidified soil remediation efficiency and the like caused by a fixed proportion of a traditional bamboo and broad-leaved mixed forest. A random forest algorithm is combined to dynamically optimize a mixing proportion and associated tree species configuration, an unmanned aerial vehicle is used for scanning to generate a three-dimensional crown model, intelligent equipment is guided to accurately intermediate cutting and complementary planting, and in cooperation with a pH response type shading film and an acid-resistant phosphate solubilizing bacterium agent, crown light transmittance improvement and acidified soil improvement are achieved. The equipment comprises an unmanned aerial vehicle carrying a laser radar, an intelligent transplanting robot and a solar drip irrigation system, and the concentration of a fungicide and an irrigation strategy can be dynamically regulated and controlled. The porous bamboo charcoal carrier is prepared by innovatively utilizing the moso bamboo waste, and the functional flora is loaded to replace the traditional peat raw material; according to the scheme, the problems of static configuration, manual dependence and resource waste are solved.

The invention relates to the technical field of saline-alkali soil improvement, and discloses a saline-alkali soil improvement system and method for combined control of agriculture, forestry, animal husbandry, planting, breeding and breeding, and the saline-alkali soil improvement system for combined control of agriculture, forestry, animal husbandry, planting and breeding comprises a first planting area; a drip irrigation assembly; a water seepage assembly; the drainage channel is arranged below the surface of the saline-alkali soil corresponding to the first planting area; and a first flow guide member. According to the method, salt-tolerant plants are planted in the saline-alkali soil, so that the infiltration capacity of water in the soil can be improved, and absorption and leaching of salt in the soil are promoted; the drip irrigation assembly is adopted to irrigate the salt-tolerant plants, and water molecule movement can bring salt in soil to the deep position of the soil, so that the salt return phenomenon caused by the capillary action of water molecules is avoided; by arranging the water seepage assembly, the movement speed and the conveying effect of saline-alkali water in soil conveyed to the drainage channel can be increased, and infiltration and collection of the saline-alkali water are accelerated; by arranging the drainage channel, saline-alkaline water in the soil can be absorbed and discharged.

The invention relates to the technical field of saline-alkali land improvement, in particular to a moderate and severe salinization cultivated land alkali-reducing fertilizing cultivation device and method.The device comprises improved cultivation equipment, a storage discharging box is fixedly installed on the improved cultivation equipment, and the device further comprises a discharging control bin, the discharging control bin is further provided with a plurality of discharging ports, and each discharging port is provided with a sliding plugging plate in a sliding mode. The improved control mechanism comprises a conductivity sensor, a displacement control assembly and a discharging assembly; according to the alkali-reducing fertility-improving cultivation device and method for the moderately severe salinization cultivated land, for the same improved area, if the requirement for increasing or reducing the modifying agent locally exists, waste of the modifying agent can be avoided, and the effect of improving the soil can be improved by adjusting the amount of the intermittently discharged modifying agent.

The utility model belongs to the technical field of agriculture and forestry machinery, and particularly relates to a soil improvement device. Comprising a deep scarification gun, an air inlet pipe and a spray explosion tank, the lower end of the deep scarification gun is in interference fit with a deep scarification head, the deep scarification head is of a conical structure, an airflow channel is formed in the deep scarification gun, a spraying hole is formed in the lower end of the deep scarification gun, an air inlet is formed in the side wall of the upper end of the deep scarification gun, and the airflow channel is communicated with the spraying hole and the air inlet; the air inlet pipe comprises a hose and a metal pipe, one end of the hose is communicated with the metal pipe, the metal pipe is in interference fit with the air inlet, and the other end of the hose is communicated with the air outlet of the spray explosion tank. According to the scheme, through the integrated modeling design of the deep scarification gun, the drill rod, the deep applying rod and the deep applying head are connected instead of threads or bolts, unnecessary connecting structures on parts are reduced, meanwhile, connecting pieces are reduced, the mechanical property of the deep scarification gun is optimized, the durability of the parts is improved, and the service life of the deep scarification gun is remarkably prolonged.

The invention relates to the technical field of soil remediation, in particular to a soil pollution remediation agent feeding device which comprises a rolling assembly, a plurality of feeding assemblies arranged on the rolling assembly and a connecting assembly used for being connected with an external machine. The rolling assembly is of a cylindrical structure, and a plurality of throwing assemblies are evenly distributed on the outer surface of the rolling assembly. The rolling assembly is connected with an external machine through the connecting assembly; driving force is provided through an external machine to drive the rolling assembly to advance on the ground; the feeding device further comprises a material conveying assembly. The material conveying assembly provides a liquid repairing agent for the rolling assembly with the hollow interior. A passage for conveying a repairing agent is reserved between the rolling assembly and the putting assembly; in the advancing process of the rolling assembly, the putting assembly is inserted into the soil under the gravity effect of the rolling assembly, the output end is kept in an open state, and the putting assembly is used for conveying the liquid remediation agent into the soil to complete agent putting. Remediation agents can be conveniently put into soil, and the working efficiency is improved.

The invention provides an arid region saline-alkali soil treatment method which comprises the following steps: step 1, region division: dividing saline-alkali soil into a planting region and a saline-alkali water collection and treatment region; 2, a planting area is constructed, the planting area is composed of an original layer, a first water drainage and salt guide layer, an air permeation prevention layer, a second water drainage and salt guide layer and a planting layer from bottom to top, the air permeation prevention layer can prevent salt from ascending, and the water drainage and salt guide layer can drain saline-alkaline water in soil; and step 3, constructing a saline-alkaline water collection and treatment area, and performing filtration and electro-adsorption salt reduction on the collected saline-alkaline water to realize recycling of the saline-alkaline water. Layered improvement of the planting area is combined with an integrated structure of saline-alkali water collection, ion adsorption and storage, the salt content of soil is reduced, the nutrient content of the soil is increased, and all-round treatment and utilization of'blocking ', 'discharging', 'treating 'and'using' of the saline-alkali water are achieved.

The invention discloses a transplanting device and method for fruit tree cultivation, and belongs to the field of fruit tree transplanting. A transplanting device for fruit tree cultivation comprises a cart body and a loading slide way fixed to the top of the cart body, a driving shaft is rotationally connected to the cart body, a pit digging auger is fixedly connected to the bottom end of the driving shaft, the transplanting device further comprises two sets of semi-arc bins, and the two sets of semi-arc bins are rotationally connected to the two sides of the bottom of the cart body respectively; the opening and closing motor is used for controlling the two groups of semi-arc bins to be opened, in cooperation with the repulsion effect between the magnetic plate and the piston plate, firstly, rooting liquid in the liquid storage box is sprayed to the roots of fruit trees, so that the final survival rate of fruit tree transplanting is increased, and secondly, the fruit trees automatically fall into transplanting pits, so that the survival rate of fruit tree transplanting is increased. Meanwhile, the improved soil can automatically fall into the transplanting pit, so that automatic spraying of the rooting liquid and automatic backfilling of the soil are realized, the transplanting steps are simplified, and the transplanting efficiency is greatly improved.

The invention relates to the technical field of soil remediation, in particular to a biochar-humic acid-calcium alginic acid composite saline-alkali soil modifier and a preparation and application method thereof. The modifier adopts a multi-layer structure design: biochar is pre-adsorbed by calcium chloride, compounded with sodium humate, and then crosslinked with sodium alginate to form a gel to form a composite inner core; secondly, sulfobetaine methacrylate and vinyl phosphonic acid are introduced into a sodium alginate molecular chain through graft polymerization, and modified sodium alginate is obtained to serve as an outer layer coating material; and finally, dipping the composite inner core into the outer layer solution, and carrying out graded recalcification by calcium chloride and short-time treatment by sodium sulfate to obtain a final product. Through the synergistic effect of calcium ion slow release of the inner core and zwitterionic characteristics of the outer layer, efficient replacement and long-term stable regulation and control of soil sodium ions are achieved, the pH value, the conductivity and the alkalization degree of soil are remarkably reduced, the water holding capacity is effectively improved, and the soil conditioner is suitable for sustainable improvement of moderate and severe saline-alkali soil.

The invention discloses a power transmission line engineering soil conditioner spraying mechanism and a spraying method, and the power transmission line engineering soil conditioner spraying mechanism comprises a walking vehicle, an adjusting assembly, a self-stirring structure, a spraying control structure and a spraying assembly. When common soil conditioner spraying equipment sprays dry hardened soil, a conditioner is difficult to fully permeate into the soil and is easy to float on the surface of the soil to cause rapid evaporation, a rotary soil sampling structure and a self-stirring structure are designed, and the soil conditioner can be rapidly evaporated through cooperative use of the rotary soil sampling structure and the self-stirring structure. According to the device, rotary circulating soil cutting can be carried out, meanwhile, soil is automatically stirred while the soil is dug, the effect of automatically scattering and mixing hardened soil is achieved, then a modifier can be fully mixed with the soil, and an extra power source is not needed.

The invention relates to the technical field of slope repairing equipment, and discloses strip mine waste dump slope repairing equipment and a repairing method.The strip mine waste dump slope repairing equipment comprises a rack and a horizontal plate, one end of the horizontal plate is fixedly connected with a spray-seeding gun, the spray-seeding gun is provided with a pushing sleeve and a positioning sleeve, the pushing sleeve is provided with a turbulent flow assembly, and the positioning sleeve is fixedly connected with the rack; a supporting frame is arranged at the position, corresponding to the spray-seeding gun, of the top of the horizontal plate, supporting plates are vertically connected to the two symmetrical outer side walls of the supporting frame in a sliding mode, the upper ends of the supporting plates are matched with the positioning sleeves in a hinged mode, and inclined guide plates are arranged on the two symmetrical inner side walls of the supporting frame. When the spray-seeding gun reduces the angle to spray soil dressing on the slope near the spray-seeding gun and a guide wheel is in contact with a guide plate to drive a push sleeve, a gap at an opening of two spoilers is reduced, and the soil dressing sprayed by the spray-seeding gun is spoiled and is changed into a fan shape from a water column shape, so that the impact force on the slope is reduced, meanwhile, dispersed spraying is realized, the spraying uniformity is improved, and the service life of the spray-seeding gun is prolonged. And material waste can be reduced.

The utility model relates to a saline-alkali soil improvement system which comprises a monitoring mechanism, a salt discharging mechanism and an irrigation mechanism, the monitoring mechanism is erected above soil, the salt discharging mechanism and the irrigation mechanism are both buried in the soil, the irrigation mechanism is buried above the salt discharging mechanism, and the irrigation mechanism is communicated with a water and fertilizer integrated tank; the monitoring mechanism comprises a photovoltaic panel and a controller, the photovoltaic panel is in transmission connection with the photosensitive sensor driving motor, the photovoltaic panel is electrically connected with the controller and the irrigation mechanism, and the controller is in communication connection with the irrigation mechanism and the detection equipment. The technical problems that long-term effectiveness and sustainable development are difficult to achieve, water resources are wasted, and soil secondary salinization is caused due to the fact that drainage is not timely are solved.

The invention provides a soil remediation modifier, a soil remediation method and a soil maintenance method, and belongs to the technical field of soil remediation. The soil conditioner is prepared from the following raw materials in parts by weight: 40-50 parts of modified sludge, 10-15 parts of humic acid, 5-10 parts of a bioactive component, 10-15 parts of an inorganic component and 10-15 parts of an organic component. The soil remediation agent prepared by the invention not only can increase the total porosity of soil, improve soil water stability granules and soil structure, but also can improve soil fertility, improve soil pH value and passivate heavy metal ions, so that the prepared remediated soil can adapt to plant growth requirements, and meanwhile, the sludge and the traditional Chinese medicine residues are subjected to resource utilization, waste is turned into wealth, and the cost is reduced. Wide application prospects are realized.

The invention relates to the technical field of soil improvement, in particular to a soil improvement device for open pit coal mine reclamation, which comprises an improvement vehicle, and the tail part of the improvement vehicle is provided with a ploughing assembly; the ploughing assembly comprises a connecting rod, the end, away from the improvement vehicle, of the connecting rod is fixedly connected with a shielding plate, the top of the shielding plate is fixedly connected with a first driving part, an output shaft of the first driving part is fixedly connected with a first bevel gear, and the first bevel gear is meshed with a second bevel gear; a plurality of transmission gears are rotationally connected to the bottom of the baffle plate; the bottoms of the transmission gears are fixedly connected with transmission rods, and the transmission rods are fixedly connected with a plurality of ploughing blades. Through the ploughing assembly, the storage assembly, the stirring assembly and the spraying assembly, when the ploughing assembly is used for ploughing the soil, the spraying assembly is used for spraying a modifier into the soil, so that the soil ploughing and the modifier spraying can be synchronously carried out, the soil is fully improved, and the vegetation recovery is promoted.

The invention discloses a green three-dimensional planting system for promoting agricultural economic development in an arid region. The green three-dimensional planting system comprises a climate adaptation module; the weather prediction module is responsible for providing weather change prediction; the crop selection and crop rotation module is responsible for selecting suitable drought-enduring crops and implementing scientific crop rotation; the three-dimensional planting structure module is responsible for designing a reasonable three-dimensional planting framework according to the selected drought-enduring crops; the soil improvement module is responsible for adding an organic fertilizer and a modifier and improving the soil moisture retention capability; according to the invention, through weather prediction information provided by the climate adaptation module, the system can predictively adjust an irrigation strategy, and insufficient or excessive irrigation caused by sudden weather change is avoided. The intelligent irrigation module is combined with a neural network algorithm, the irrigation amount and time are accurately calculated and automatically adjusted according to the real-time meteorological data, the drought-enduring crop characteristics, the three-dimensional planting architecture and the soil improvement condition, accurate control over irrigation is achieved, and the utilization efficiency of water resources is remarkably improved.

The invention discloses a saline-alkali soil improvement liquid spraying device and a saline-alkali soil improvement method, and relates to the technical field of soil improvement. The saline-alkali soil improvement liquid spraying device comprises a frame, a rotary tillage roller, an elevator and a supporting assembly are sequentially installed on the frame from front to back in the moving direction, and the rotary tillage roller turns over surface soil towards the side close to the elevator; the hoister conveys soil at the rotary tillage roller to the supporting assembly; the supporting assembly comprises a first annular plate and a second annular plate, and the first annular plate and the second annular plate are arranged in a staggered mode. When the tool bit rotates to the upper side of the supporting assembly along with the conveying assembly, soil on the supporting assembly can be pushed to fall onto the ground again and cover the surface of inner-layer soil, meanwhile, the improvement liquid covers the interior, the improvement liquid permeates into the surface-layer soil in the evaporation process and cannot be directly volatilized into air, and the utilization rate of the improvement liquid is increased.

The invention relates to a solid-liquid mixture particle screening, grading and applying device, and belongs to the technical field of soil treatment. The device comprises a screening box body with an inlet and an outlet, multiple stages of screening mechanisms are sequentially arranged in the box body, and each stage comprises an inclined screening plate and a driving assembly; the sieve plate is linked with the swing connecting rod through the eccentric wheel to achieve digging, transporting and throwing actions, the sizes of meshes are gradually reduced to separate particles with different particle sizes, and oversize materials are conveyed to the independent applying and scattering openings through the corresponding screw rod bins. In the working process of the device, small particles preferentially improve the soil through bottom layer screening, and large particles enhance the wind and sand resistance through the surface application layer, so that the soil fertility improvement and sand stabilization effects are synchronously achieved. Through the optimal design of the swing path of the sieve plate and the precise material conveying of the screw bin, the problem that a solid-liquid mixture is difficult to layer and cover in desertification control is solved, the sorting efficiency and the spreading uniformity are improved, and the device has the characteristics of being compact in structure, reliable in driving and high in applicability, and is suitable for large-scale control of desertification and saline-alkali soil.

The invention relates to the field of agricultural machinery, in particular to multifunctional tea garden weeding, soil loosening and fertilizing integrated mechanical equipment which comprises a mounting frame, a driving module is mounted at the bottom of the mounting frame, a weeding module, a soil loosening module and a fertilizing module are mounted at the top of the mounting frame, and the weeding module comprises a power part which is fixedly connected with the top of the mounting frame; an output shaft of the power part is connected with a roller, the outer side wall of the roller is fixedly connected with a plurality of wave-shaped blades, the soil loosening module is installed in the roller, and an opening is formed in the side wall of the roller and used for loosening tea garden soil based on the centrifugal force effect; the driving module is in signal connection with a controller, the controller is in signal connection with the power piece and the fertilization module, and the controller is used for adjusting the power of the driving module and the rotating speed and the output power of the power piece according to preset terrain information. The method is used for improving the efficiency of weeding, soil loosening and fertilizing operation of the tea garden and enhancing the collaboration of all operation links.

The utility model provides an aeration type phyllostachys praecox fertilizing device, and belongs to the technical field of phyllostachys praecox planting. Comprising a feeding valve, a connecting frame and a hollow inserting rod, the feeding valve comprises a valve body and a plunger longitudinally connected into the valve body in a sliding mode, the connecting frame is connected with the outer wall of the valve body and the upper end of the inserting rod, a liquid inlet valve cavity and a material mixing valve cavity located below the liquid inlet valve cavity are formed between the valve body and the plunger, and the liquid inlet valve cavity is connected with the water outlet end of a water pump. The water inlet end of the water pump is connected with the liquid fertilizer storage box, the valve body is provided with a one-way air inlet valve connected with the mixing valve cavity and the atmosphere, and the mixing valve cavity is further connected with the upper end of the insertion rod; the plunger is provided with a first liquid inlet channel which can be communicated with the liquid inlet valve cavity and the material mixing valve cavity, an inlet of the first liquid inlet channel is located in the wall face of the plunger, and a first pre-tightening spring is connected between the top of the plunger and the valve body.

The invention belongs to the technical field of agricultural equipment, and discloses intelligent agricultural equipment for high-standard farmland soil improvement, which comprises a frame platform, and the frame platform is connected with a power platform, a walking wheel set, a ploughing assembly, a pesticide storage assembly, a pesticide feeding assembly and a soil covering assembly; the walking wheel set is in transmission connection with the power platform through a first transmission assembly, the ploughing assembly is in transmission connection with the first transmission assembly through a second transmission assembly, a stirring assembly of the pesticide storage assembly is in transmission connection with the power platform through a fourth transmission assembly, and the pesticide feeding assembly is in transmission connection with the power platform through a third transmission assembly. The soil covering assembly comprises a soil covering base plate, a connecting plate and a rope. The power platform, the walking wheel set, the ploughing assembly, the pesticide storage assembly, the pesticide feeding assembly and the soil covering assembly are connected to the vehicle frame platform, self-walking of the whole intelligent agricultural equipment and ploughing, pesticide feeding and soil covering of soil are achieved, fertilizer or pesticide reagents are fully mixed with the soil, the soil improvement effect is good, and efficiency is high.

The invention discloses a saline-alkali soil multi-water-source accurate salt control irrigation and drainage integrated system and equipment, and relates to the technical field of saline-alkali soil irrigation and drainage, and the system comprises a multi-water-source intelligent evaluation and dynamic allocation module, an accurate salt control-irrigation and drainage cooperative regulation and control module and an integrated anti-blocking salt discharge and tail water reuse module; by monitoring water source salinity, soil data and a crop salt demand model in real time, dynamically calculating an optimal water source combination, for example, low-salt rainwater is preferentially used for sensitive crops, and a valve is automatically regulated and controlled to switch water sources, the scheme has the advantages that high-salt brackish water is prevented from aggravating salinization, the water resource utilization rate is increased by 30% or above, and blindness of traditional artificial experience allocation is solved; meanwhile, decision making is driven through multi-module data linkage, for example, the irrigation and drainage proportion is regulated and controlled through water source data, and the control unit responds to salinity exceeding within 10 seconds; the scheme has the advantages that manual intervention is reduced by 90%, the engineering advantages of anti-corrosion flow guide design, water flow driving energy conservation, modularization, easy maintenance and the like are implied, and the method is suitable for various saline-alkali land terrains.

The invention relates to the technical field of soil remediation, in particular to an extracting and backfilling device for soil remediation, which comprises a main frame, electric crawler wheel mechanisms mounted at the front end and the rear end of the main frame, and a driving motor mounted inside the main frame. According to the extracting and backfilling device for soil remediation, the transverse remediation barrel, the left inclined feeding barrel and the right inclined discharging barrel which communicate with one another are fixedly mounted at the upper end of the main frame through bolts; an internal inclined transmission rod and a transverse transmission rod are synchronously driven to rotate through a driving motor on the transverse repairing cylinder; and the soil is guided into the transversely-arranged repairing barrel to be rolled and repaired by matching with the structure-adjustable bottom sealing covers at the opening ends of the left inclined feeding barrel and theright inclined discharging barrel, and then is guided out to the shoveling end to be backfilled and flattened, so that the operation efficiency of soil repairing is greatly improved.

The invention relates to the technical field of saline-alkali soil improvement equipment, in particular to a fertilizer and soil mixing structure and coast saline-alkali soil treatment salt elimination equipment and method. The fertilizer and soil mixing structure comprises a soil feeding box, a material receiving disc, a fertilizer feeding hopper, a discharging box and a stirring assembly. The central axis of the soil feeding box is vertically arranged, a plurality of first through holes are formed in the bottom face of the soil feeding box, the material receiving disc is arranged in the soil feeding box, and a plurality of second through holes are formed in the edge of the material receiving disc. The stirring assembly comprises a driver, a stirring piece and a mixing piece, the two ends of the stirring piece are connected with the output end of the driver and the center of the top face of the material receiving disc respectively, and the mixing piece is fixedly arranged at the center of the bottom face of the material receiving disc. When the device is used, soil can rapidly leave the soil feeding box through the first through holes, organic fertilizer can rapidly leave the fertilizer feeding hopper through the second through holes, the mixing piece can make full contact with the soil and the organic fertilizer during rotation, and the mixing efficiency of the soil and the organic fertilizer is improved.

The invention relates to the technical field of soil remediation, and discloses quantitative-proportioning agricultural remediation agent spraying equipment for soil remediation, the quantitative-proportioning agricultural remediation agent spraying equipment comprises a liquid medicine box and a frame, the liquid medicine box is fixedly mounted on the top surface of the frame, a water inlet pipe is fixedly arranged at the upper end of the left side wall of the liquid medicine box in a penetrating manner, and a flow meter is arranged on the water inlet pipe; a feeding channel is fixedly arranged on the left side of the top of the liquid medicine box in a penetrating mode, a material box is fixedly installed on the top of the feeding channel in a penetrating mode, and a feeding opening is fixedly formed in the top of the material box in a penetrating mode. According to the quantitative-proportioning agricultural remediation agent spraying equipment for soil remediation, solid powder particles and water can be quantitatively proportioned, the accurate proportioning ratio is guaranteed, meanwhile, the solid powder particles can be crushed, the situation that the solid powder particles are agglomerated and are difficult to be fused with water is avoided, and therefore the pesticide effect of a prepared remediation agent is guaranteed, and the service life of the remediation agent is prolonged. The improvement of the remediation effect on the agricultural soil is facilitated.

The invention discloses a slope spray-seeding vegetation protection device based on microbial mineralization, and relates to the technical field of slope reinforcement, the slope spray-seeding vegetation protection device comprises a rack, the rack is provided with a spraying assembly and a moving assembly, the rack is further provided with a material pushing assembly and a driving part, the material pushing assembly is used for ironing a slope sprayed with bacterial liquid, and the driving part is used for driving the spraying assembly to move; the bacterial liquid is used for generating a carbonate cementation layer with matrix soil of the slope surface, the pushing assembly is further used for uniformly forming planting holes in the slope surface and sowing grass seeds into the planting holes, and the planting holes are used for providing carriers for germination of the grass seeds and changing the thickness of the carbonate cementation layer in the positions of the planting holes; the driving part is used for driving the material pushing assembly to iron the slope surface and synchronously forming planting holes in the slope surface, so that the situation that the mechanical property of the calcium carbonate precipitation layer is degraded due to uneven damage to the calcium carbonate precipitation layer in the grass seed germination stage is reduced.

The invention discloses a low-resistance deep-scarification fertilizer spreader for saline-alkali soil based on self-adaptive control, and provides an innovative scheme aiming at the problems of soil hardening, non-uniform application of a modifier, low operation efficiency and the like. The whole machine comprises a rack, a modifier box, a double-row shovel, a multi-leaf discharger and an intelligent control system. A front row of shovels and a rear row of shovels are designed, a front triangular shovel reduces tillage resistance through wedge-shaped splitting, a rear subsoiler cuts off soil capillary tubes, a discharging pipe is arranged in the rear subsoiler, and deep and accurate throwing of an improver is achieved; 2, PID parameters are optimized based on an improved genetic algorithm, closed-loop control and low-pass filtering noise reduction are combined, a self-adaptive control system is constructed, and the discharging amount and the advancing speed are dynamically matched; the soil pressing roller and the shovel are designed cooperatively, the whole process of soil breaking, deep scarification, agent applying and pressing is completed at a time, and efficiency is improved. Through a low-resistance structure, intelligent control and integrated operation, the equipment breaks a hardened layer, inhibits salt from moving upwards, improves the utilization rate of an improver, has the characteristics of high efficiency, low consumption and ecological protection, and meets the treatment requirements of saline-alkali soil.

The invention relates to a detachable rotary cultivator, and belongs to the technical field of rotary cultivators, the detachable rotary cultivator comprises a rotary tillage mechanism detachably connected to the exterior of a tractor, the rotary tillage mechanism is composed of a rack, side plates, a rotary tillage shaft and rotary tillage cutters, and a soil loosening device used for pre-loosening soil before rotary tillage is arranged outside the side plates and the rack; a compaction structure used for conducting compaction treatment on the ploughed soil is arranged outside the machine frame, and a driving mechanism used for operating the rotary tillage shaft, the soil loosening device and the compaction structure in a linkage mode is arranged outside the side plates. The soil loosening device comprises a hinge seat fixedly connected to the top of the rack and a swing arm hinged to the interior of the hinge seat. The machine has the advantages of high efficiency, energy conservation, environmental protection and the like, integrated operation of soil pre-loosening, rotary tillage, compaction and spraying treatment is realized through a mechanical linkage principle, the rotary tillage resistance is remarkably reduced, the service life of a blade is prolonged, the soil quality is optimized, and the operation efficiency is improved.

The invention relates to the technical field of agricultural soil improvement, in particular to an agricultural soil improvement device and a method thereof.The agricultural soil improvement device comprises a crushing mechanism, the crushing mechanism comprises a crushing conveying part, a screening part, a scraping part, a collecting part and a leveling part, and after soil is crushed through the crushing conveying part, the soil is conveyed into the screening part; in the using process, the screening component is used in cooperation with the scraping component, stones and garbage can be discharged into the collecting component, then soil is discharged, the soil can be evenly discharged through a first discharging net and a second discharging net, agents are mixed under the use of the mixing component, and when a rotating rod is rotated through a driving motor, the rotating rod is driven to rotate through the driving motor; the first gas injection part injects gas into the mixing box to increase the flow rate of discharged chemicals, and the second gas injection part can inject gas into a rotating opening through a limiting block, inject gas into a communicating pipe and pressurize chemicals discharged by a plurality of inclined spray heads, so that discharged soil fully absorbs the sprayed chemicals.

The invention discloses a saline-alkali soil treatment device which comprises a ditching mechanism, a gravel feeding mechanism and a soil backfilling mechanism. Wherein the ditching mechanism comprises a ditching disc which is rotatably arranged on the rear side of the tractor body and is used for ditching; the sand and stone putting mechanism comprises a sand and stone storage hopper and a sand and stone compaction roller which are arranged on the rear side of the ditching mechanism, a sand and stone putting opening is formed in the bottom of the storage hopper, and the sand and stone compaction roller is rotationally arranged on one side of the sand and stone storage hopper through a first driving assembly; under the action of the first driving assembly, the compaction roller can roll in the extending direction of the formed groove; the soil backfilling mechanism is arranged on the rear side of the gravel throwing mechanism and used for backfilling dug soil to the upper layer of the gravel layer, a gravel isolation layer formed by gravel can be formed on the lower layer of the ploughed soil layer through the gravel throwing mechanism, and the gravel isolation layer can prevent salt on the lower layer from rising to the surface layer of the soil along with evaporation of water; therefore, the treatment effect on soil salinization can be improved.

The invention relates to the field of agricultural irrigation and soil remediation, and discloses an enhanced nanobubble water treatment system for saline-alkali soil improvement, comprising: a mixed water tank, the mixed water tank defines a water containing cavity, the water containing cavity communicates with an inlet and an outlet, the inlet is suitable for receiving irrigation water, and the outlet is suitable for being connected to an irrigation system; the activating agent adding device is arranged at the inlet and is suitable for adding an activating agent to the inlet, so that the activating agent and the irrigation water are mixed and then guided into the water containing cavity; the circulating water path is provided with a nano bubble generating device, and the nano bubble generating device is suitable for continuously generating nano bubble water under the assistance of an activating agent under the condition that the circulating water path performs circulating treatment on the water body in the water containing cavity; wherein the activated nano bubble water which is detected to reach the standard by the on-line detection device is introduced into a farmland through the irrigation system for irrigation, so that the leaching effect on salt and the watering, fertilizing and irrigation efficiency are greatly improved.

A multi-source organic material fertilizing device relates to the technical field of soil improvement, and comprises a rack, a composite cultivation assembly and an organic material rapid mixing and crushing assembly, the right side of the rack is fixedly connected with a mounting rack, and both sides of the rack are fixedly connected with moving wheels. According to the application, through the composite cultivation assembly, the ploughing depth of a tilling cutter is adjusted by utilizing a hydraulic cylinder, a control panel ensures that the tilling cutter stably ascends and descends, a positioning sleeve limits the moving track of the tilling cutter, a rotary tillage sowing mechanism immediately crushes soil after the tilling cutter performs ploughing, and organic materials are uniformly mixed into deep soil through a rotating pipe and a crushing paddle; synchronous operation of ploughing, rotary tillage and mixing is achieved, the tedious process that multiple devices are needed and multiple times of field operation are needed in traditional step-by-step operation is avoided, operation time and human input are reduced, the overall operation efficiency is improved, cost is reduced, and meanwhile it is ensured that organic materials are evenly distributed in soil through one-time deep mixing.