507 results about "Plastic mulch" patented technology

The invention relates to the technical field of agricultural equipment, and discloses a peanut film mulching hole-free seeder which comprises an integrated frame, and a connecting frame is arranged at the front end of the integrated frame and used for being connected with a traction machine in a hanging mode; according to the device, a weakening point is accurately preset on a mulching film through a liftable micro hot needle, the traditional manual or mechanical hole breaking is replaced, a hole-free seeding mode of one hole and one point is realized, and the hole-free seeding efficiency is greatly improved. According to the method, the complex procedure of manual film breaking is avoided, the labor intensity is reduced, through the controllable design of the weakening points, it is ensured that peanut seedlings naturally break the mulching film, damage to roots is reduced, the emergence rate and the survival rate are increased, and meanwhile the problem of weed breeding or soil moisture loss caused by too large broken holes is effectively solved.

The invention discloses a paper base-PHA double-sided composite soil biodegradable agricultural mulching film as well as a preparation method and application thereof, and belongs to the technical field of agricultural mulching materials and green high polymer materials. The mulching film comprises a paper base layer and a homologous polyhydroxyalkanoate covering layer arranged on the surface of the paper base layer. Through double-sided synergy of the water-based PHA coating on the soil sticking surface and the thermoplastic PHA extrusion film layer on the windward and rainy surface, and in combination with a'wet-to-heat 'integrated composite process and trace anhydride grafting, super-strong combination of a paper-plastic interface fiber tearing level is realized, and the problem that traditional paper-plastic is easy to layer is solved. Compared with a traditional fluorine-containing product, on the premise that total organic fluorine is not detected, the excellent barrier and moisture conservation performance is achieved with the thinner coating thickness by means of double barriers. The product has excellent mechanical laying adaptability and long-season weather resistance, is fully biodegradable, thoroughly solves the hidden dangers of micro-plastic residues and persistent organic pollutants, and is an ideal green agricultural covering material.

The invention discloses an anti-aging light-conversion silver black mulching film and a preparation method thereof, and belongs to the technical field of agricultural polymer films. The preparation method comprises the following steps: S1, mixing low-density polyethylene powder, aluminum paste, a complex light conversion agent, dioctyl phthalate and EVA (Ethylene Vinyl Acetate) to prepare silver light conversion master batches; s2, vinyl-terminated fluorosilicone oil, tert-butyl peroxybenzoate and linear low-density polyethylene powder are stirred for a reaction, and modified low-density polyethylene is obtained; the modified low-density polyethylene, maleic anhydride grafted polyethylene, a multi-effect light stabilizer and polyethylene wax are subjected to banburying granulation, and modified light-stable master batches are obtained; s3, carrying out banburying granulation on the low-density polyethylene powder, the polyethylene powder, carbon black, zinc stearate, ethylene bis-stearamide and the EVA powder to obtain black master batches; s4, blending the silver layer and the black layer, and performing double-layer co-extrusion to obtain the light-conversion silver-black mulching film. The light-conversion silver black mulching film provided by the invention has good mechanical properties and aging resistance.

The invention relates to the technical field of biodegradable high polymer materials, in particular to a tear-resistant high-barrier biodegradable mulching film and a preparation method thereof, and the tear-resistant high-barrier biodegradable mulching film is prepared from the following raw materials in parts by weight: 60-90 parts of poly (butylene adipate-co-terephthalate); 10 to 40 parts of poly (propylene carbonate); 0.5-5 parts of a plasticizer; 0.05 to 0.3 part of a cross-linking agent; 0.1 to 10 parts of talcum powder; 0.1 to 2 parts of a lubricant; 0.1-1 part of an anti-blocking agent; 0.1 to 1 part of an antioxidant; 0.1 to 1 part of an anti-ultraviolet agent; 0.1-1 part of a light stabilizer; 0.1 to 1 part of an anti-hydrolysis agent; 0.1-1 part of a nucleating agent; the plasticizer is poly (1, 2-propylene glycol adipate); and the cross-linking agent is 1, 4-bis (tert-butylperoxy) diisopropyl benzene. The film has good mechanical properties and water vapor transmission amount, can be completely biodegraded, and has good aging resistance.

The utility model discloses a farmland residual mulching film recycling machine which relates to the technical field of waste recycling and structurally comprises a machine body, an absorption box is fixedly connected to one side of the top of the machine body, the bottom of the absorption box penetrates through the top wall of the machine body and is fixedly connected with an absorption opening, and a collection box is fixedly connected to the other side of the top of the machine body. A connecting pipe is jointly and fixedly connected between one side of the absorption box and one side of the collection box, a film taking mechanism is arranged on the inner side of the absorption opening, an air blowing mechanism is arranged on the surface of the machine body, and a negative pressure fan is fixedly connected to one side of the top of the machine body. According to the farmland residual mulching film recycling machine, the situation that soil particles and mulching films are recycled together can be reduced, the recycling quality of the mulching films is improved, the air blowing mechanism assists in rapid collection of the mulching films, and the recycling efficiency of the mulching films is improved.

The invention relates to the technical field of seeding machines, in particular to a film mulching device and a film mulching hole seeding planter, the film mulching device comprises a traction rack, a mulching film roller is arranged on the traction rack, the mulching film roller is used for mounting a mulching film, the traction rack is used for driving the mulching film roller to advance, and the film mulching device further comprises two groups of soil covering assemblies which are respectively arranged on two sides of the advancing direction of the traction rack; the soil covering assembly comprises a ditching structure and a conveying structure, and the ditching structure is arranged on the traction rack and located in front of the mulching film roller. The conveying structure is arranged on the traction machine frame, the ditching mechanism is arranged in front of the mulching film roller, digging can be conducted on one side below the mulching film roller to form a groove, dug soil is conveyed to the position behind the mulching film roller through the conveying structure, the conveying structure conveys the dug soil to the side edge of a mulching film, and the side edge of the mulching film is pressed in the groove through the soil. The mulching film can be further compacted, the possibility of mulching film displacement during hole sowing is reduced, the probability of seedling pressing under the mulching film is reduced, and therefore the yield of crops is increased.

The utility model discloses a self-adhesive agricultural mulching film, which relates to the technical field of agricultural mulching films, and comprises a middle film, two sides of the middle film are fixedly connected with side films, the mulching film is in cohesive connection with ground soil through a cohesive layer at the bottom of a cohesive weed suppression layer, and the design of ensuring the cohesive gradient ensures that the cohesive of a central area is larger. After the sticky protrusions are combined with the soil, the laying efficiency of workers is improved, fixing through U-shaped nails is not needed, physical loss is reduced, the labor intensity of the workers is reduced, the sticky strength of the edges is small, film uncovering is facilitated, the film uncovering speed is increased, and the waste film recycling speed is increased. A plurality of groups of dividing holes are arranged in sequence to realize temperature adjustment and promote plant growth, the directional flow guide grooves adopt the design of V-shaped grooves, namely the design of inclination angles, so that the rainwater diversion efficiency is improved, drainage can be helped, and waterlogging damage to roots can be effectively prevented; and the problem that the mulching film is lifted due to overlarge wind force is effectively prevented.

The utility model belongs to the technical field of agricultural planting equipment, and particularly relates to a peanut planting mulching film trepanning device which comprises a supporting shaft, a handheld assembly, a plurality of mounting sleeves, a plurality of supporting rods, a plurality of film ironing heads, a plurality of supporting buffer assemblies, a guide assembly, a first limiting assembly and a second limiting assembly. The device is reasonable in design, convenient to operate and high in practicability, meanwhile, the distance between the adjacent mounting sleeves can be adjusted according to needs to adapt to different line distances, and the device can make contact with a film on the ground in the process that the supporting rod moves with the axis of the supporting shaft as the center and provide supporting and buffering for the supporting rod in the first step; the situation that the mulching film is damaged due to the fact that large impact force is caused to the mulching film when the supporting rods move to the vertical state is avoided, meanwhile, the movement stability of the film ironing head can be kept, the punching effect can be improved, and the operation continuity of mulching film punching can be effectively achieved.

The present application belongs to the technical field of tobacco planting, and particularly relates to a mulch removing device for tobacco ridge in a field, which comprises a cart and mulch removers arranged on both sides of the cart. The mulch remover comprises a roller frame connected with the cart and a mulch roller rotatably arranged on the roller frame. One end of a roller shaft of the mulch roller is in transmission connection with a returning component on the roller frame, and the other end is in transmission connection with a roller axle of a roller of the cart through a transmission component. The present application has simple structure, can quickly realize mulch removing operation for tobacco ridge, has simple overall operation process and can reduce labor intensity.

The utility model discloses an agricultural plastic film mulching device and relates to the field of agricultural machinery. The agricultural mulching film mulching device is composed of a frame body, a telescopic frame, a mulching film roll tensioning device, a supporting frame and a U-shaped groove. The telescopic frames are inserted into the bottom beam, the distance between the telescopic frames is adjusted according to the width of the mulching film roll, the mulching film roll is arranged on the conical rotating block in a sleeving mode, and the telescopic frames and the bottom beam are fixed. When the mulching film is covered, one end of the mulching film on the mulching film roll is buried and fixed, and the handle II is manually pulled upwards, so that the film pressing plate moves upwards to break away from extrusion on the mulching film roll; when the device is manually dragged, the frame wheel rotates, and the mulching film roll and the conical rotating block synchronously rotate. When covering is stopped, the handle II is loosened, and the film pressing plate downwards extrudes the mulching film roll through contraction of the spring I, so that the mulching film roll stops rotating. During paddy field operation, the telescopic frame is sleeved with a U-shaped groove. The device is suitable for being used in different scenes of dry land and paddy field.

The invention discloses a preparation method of cellulose-based degradable hydrophobic seedling-raising mulching film paper and application of the cellulose-based degradable hydrophobic seedling-raising mulching film paper in agricultural product planting, the produced mulching film paper has the characteristics of high hydrophobicity, soil moisture conservation, heat preservation, high strength and the like, and the cellulose-based degradable hydrophobic seedling-raising mulching film paper belongs to the field of green agricultural materials. According to the technical scheme, cellulose paper serves as a substrate and is coated with cationic etherified starch and 3-aminopropyltriethoxysilane through a coating cross-linking process, and a sandwich structure is formed through glyoxal-mediated electrostatic-hydrogen bond-covalent bond triple cross-linking, so that the membrane is more compact. The method has the advantages of low energy consumption, simple process flow, easiness in batch and large-area production, good product batch repeatability, effective reduction of the water molecule permeability, enhancement of the water resistance, strength, toughness and the like of the mulching film paper, no inhibition of normal germination of seeds, and hopeful wide application in the field of agricultural mulching films.

This invention discloses a rice straw-based liquid mulch film emulsion, its preparation method, and its application. The preparation method includes: treating pretreated rice straw with an alkaline solution in sodium hydroxide to obtain rice straw fibers and a silicon-containing black liquor; washing and bleaching the rice straw fibers to obtain bleached rice straw fibers; allowing the silicon-containing black liquor to stand, adjusting the pH value, and allowing it to stand again to obtain a silicon-containing dispersion; mixing and activating the bleached rice straw fibers with an alkaline alcohol solution, followed by etherification with chloroacetic acid to obtain carboxymethyl cellulose; mixing polyvinyl alcohol and carboxymethyl cellulose solutions, adding the silicon-containing dispersion under stirring, and then adding water to obtain the rice straw-based liquid mulch film emulsion. The rice straw-based liquid mulch film emulsion prepared by this invention can be used for soil covering in cultivated soils, exhibiting excellent film-forming strength, toughness, light-blocking properties, and soil cover adaptability. It has a wide range of raw material sources, a simple preparation process, and is suitable for large-scale promotion.

The utility model discloses an electric control type ridging and film covering machine, and relates to the field of agricultural mechanical equipment, the electric control type ridging and film covering machine comprises a vehicle body, a rack, a film covering mechanism and a soil covering mechanism, the rack is arranged on the vehicle body, the film covering mechanism comprises a film covering roller and a film pressing wheel, and the film covering roller and the film pressing wheel are rotationally arranged on the rack; a tensioning roller used for abutting against the lower surface of the mulching film is arranged on the machine frame, and an adjusting assembly used for adjusting the position of the tensioning roller so as to adjust the tensioning degree of the mulching film is arranged on the machine frame. In the working process, the vehicle body moves along field soil needing film mulching, a mulching film on the film mulching roller is gradually unwound, the mulching film is tightly pressed on the land through the film pressing wheel, the mulching film is covered with soil through the soil covering mechanism, and the film mulching operation is completed. In the process, the tensioning roller abuts against the mulching film to play a role in tensioning the mulching film, and the adjusting assembly can adjust the position of the tensioning roller so as to adjust the tensioning force of the tensioning roller, so that the situation that the mulching film is excessively tensioned or loosened due to the change of the running speed of the vehicle body or other factors is prevented, and the film mulching quality is improved.

The mulching film cleaning machine comprises a walking tractor, a first transmission assembly, a ploughing assembly, a second transmission assembly, an angle adjusting assembly, a soil crushing assembly, an inclined feeding piece and a screening net plate, and the first transmission assembly is in transmission connection with a power component of the walking tractor and the ploughing assembly; the ploughing assembly is arranged on one side of the bottom of the walking tractor, and a plurality of cutting tools are arranged in the ploughing assembly and used for cutting a mulching film; the second transmission assembly is in transmission connection with the ploughing assembly and the soil crushing assembly; the angle adjusting assembly is arranged on the walking tractor; the soil crushing assembly and the inclined feeding piece are rotationally arranged at the bottom of the angle adjusting assembly. The soil crushing assembly is located above the inclined feeding piece. The screening net plate is arranged on the inclined feeding piece, and a collecting bag is arranged on one side of the screening net plate. Therefore, the mulching film is cleaned out in a crushing and screening manner, so that the labor intensity of related operators is reduced, and the cleaning efficiency of the mulching film is improved.

The invention provides a full-biodegradable multifunctional agricultural mulching film material and a manufacturing method, and relates to the technical field of material processing, the full-biodegradable multifunctional agricultural mulching film material comprises a mulching film material, the mulching film material comprises a core biodegradable base material, a multifunctional modification auxiliary agent, an environmental response type slow release functional component and a multi-scale enhancement system, according to the invention, polycaprolactone and a starch grafted copolymer are compounded in a core biodegradable base material, and a multi-scale enhancement system (modified cellulose nanocrystals and nano-hydroxyapatite) and a high-shear directional mixing process are combined, so that the biodegradable material is prepared; and a three-dimensional nano support network structure in the membrane is realized. According to the structure, the tensile strength and the elongation at break of the film are effectively improved, the film can still keep integrity under the conditions of long-period covering and agricultural machinery operation, flexibility and toughness are both considered, and the problems that a traditional biodegradable mulching film is prone to breakage and poor in durability are solved.

This invention discloses a method and system for extracting cotton plant area in mulched cotton fields throughout the entire growth period based on UAV multispectral imaging. Belonging to the field of agricultural remote sensing technology, it is applicable to the accurate extraction of cotton plant area in mulched cotton fields in Xinjiang cotton-growing areas. The method sequentially completes UAV multispectral image acquisition and preprocessing, band quantile normalization, NDVI and brightness index calculation. The core is the construction of adaptive classification rules for different growth stages (budding, flowering, boll opening, and lint opening) to achieve accurate differentiation of cotton plants, soil, and plastic film (including boll opening during the lint opening stage). The remaining effective pixels are adaptively assigned values ​​according to the growth stage. Combined with ground validation samples with latitude and longitude, multi-dimensional accuracy verification, including confusion matrix and overall classification accuracy, is achieved through coding mapping and sample matching. This invention solves the problems of poor adaptability to growth stages and severe spectral confusion in existing methods. The overall classification accuracy exceeds 70% throughout the entire growth period and reaches 100% during the boll opening stage, providing reliable data support for cotton field growth monitoring and production decision-making.

The utility model relates to the technical field of film mulching machines, in particular to a mulching film cutting device of a film mulching machine, which comprises a moving frame and connecting components, the connecting components are mounted on two walls of the front end of the moving frame, rotating shafts are mounted on two walls of the rear end of the moving frame, rollers are mounted in the centers of the outer sides of the two rotating shafts, and the rollers are mounted on the moving frame. A transverse plate is fixedly arranged on the rear side of the top end of the movable frame, two sets of rolling rollers are installed at the front end of the interior of the movable frame, a cutting mechanism is arranged on the bottom side of the transverse plate, and a mulching film can be clamped in cultivated land to be cut through an inner arc opening formed in the bottom end of an arc cutting plate. The mulching film is effectively clamped in the cultivated land to be fixed, the mulching film can be limited and moved by installing two sets of obliquely-installed rolling rollers only allowing the mulching film to move in the moving frame, the mulching film is prevented from deviating, and the regularity is improved.

This utility model discloses a tobacco soil loosening and film breaking device, including a rotating part, a soil loosening part, and a film breaking part. The rotating part has a rotation axis. The soil loosening part is connected to the rotating part and has a soil loosening end, which is spaced apart from the rotating part along the rotation axis. The film breaking part is connected to the rotating part and is located on the side of the soil loosening part away from the rotation axis. It also has a film breaking end, which is located on the side of the soil loosening end closer to the rotating part. The film breaking end can move relative to the soil loosening end along the rotation axis and can maintain its position relative to the soil loosening end after the movement. In this solution, when loosening and breaking the film in tobacco fields of different batches or environments, the height difference between the film breaking end and the soil loosening end can be adjusted according to the required loosening depth. This ensures that when the film breaking end just penetrates the film, the insertion depth of the soil loosening end is the required loosening depth. This effectively avoids the film breaking end from inserting into the ground, which would increase the rotational resistance of the rotating part, save manpower, and improve the efficiency of the device in loosening and breaking the film.

The invention discloses a charcoal-based composite material as well as a preparation method and application thereof, and belongs to the technical field of soil improvement. The preparation method comprises the following steps: modifying rice straw with calcium lignosulphonate, carbonizing to obtain biochar, and co-fermenting with calcium lignosulphonate, rice straw, EM engineering bacteria and urea to obtain the biochar-based composite material. When in use, the charcoal-based composite material is uniformly spread on the surface of acidified soil, ploughing and mixing are performed, irrigation and mulching film covering are performed, and crops can be planted 30-120 days later. When the biochar-based composite material is used for soil improvement, the pH value of acidified soil can be remarkably increased, the non-uniform acidification characteristic of the soil is improved, the physical property and the soil fertility are improved, and the biochar-based composite material has the advantages of being low in remediation cost and free of chemical components and can provide technical support for guaranteeing cultivated land health and promoting ecological agriculture development.

This invention relates to the field of intelligent extraction of agricultural plastic mulch, and discloses a method for extracting agricultural plastic mulch by integrating multimodal remote sensing and deep learning. The method includes acquiring multi-temporal multispectral optical remote sensing images, SAR remote sensing images, and stereo image pairs of remote sensing images during key phenological periods of the plastic mulch crop, and processing them accordingly. A corresponding training sample set is constructed based on the processed remote sensing images. A deep semantic segmentation model containing four multi-temporal multimodal feature fusion methods is trained to obtain a target plastic mulch and plastic greenhouse extraction model, extracting the spatial distribution of plastic mulch and plastic greenhouses in the region. This method comprehensively considers the differences in spectral and structural features of ground objects and three-dimensional height information. By utilizing multimodal remote sensing and deep learning, it fully explores the complementary information and spatiotemporal correlations between multi-temporal and multimodal data, improving the extraction accuracy of regional plastic mulch and plastic greenhouses. It requires less manual intervention, has a high degree of automation, and has strong universality, making it easy to promote and apply at the regional scale.

The invention discloses a PBST three-layer co-extrusion biodegradable film, a preparation method thereof and a biodegradable mulching film, and belongs to the technical field of biodegradable films.The biodegradable film comprises a core layer and surface layers, and the surface layers comprise the first surface layer and the second surface layer which are located on the two sides of the core layer respectively; the core layer is prepared from raw materials in parts by weight as follows: 75-95 parts of PBST, 10-20 parts of ground calcium carbonate, 10-20 parts of other filler and 1-2 parts of a toughening agent, and the surface layer is prepared from raw materials in parts by weight as follows: 65-90 parts of PBST, 10-35 parts of PBAT and 0.5-2 parts of a compatible toughening agent. According to the PBST three-layer co-extrusion biodegradable film, the variety / composition of the matrix resin of the core layer and the surface layer of the PBST three-layer co-extrusion biodegradable film is selected, so that the excellent mechanical property and heat preservation and moisture conservation performance of the biodegradable film are realized.

The invention discloses a continuing device for a mulching film and a film mulching operation device. The invention relates to the technical field of agricultural machinery, and solves the problem of low operation efficiency in a mulching film reel replacement process of an existing film mulching operation device. The connecting device for the mulching film comprises a frame, a winding drum support, a lifting mechanism, an electric heating knife, a first guide roller and a second guide roller. The film mulching operation device comprises the continuing device for the mulching film and further comprises a guarantee vehicle, a material preparation area and a waste material area are arranged on the guarantee vehicle, the material preparation area is provided with a first mechanical arm and a double-faced adhesive tape pasting device, and the waste material area is provided with a second mechanical arm; the mulching film can be continued without stopping the mulching operation of the current mulching film, the continuity of the mulching operation of the mulching film can be ensured, and the operation efficiency is improved.

This invention discloses a laser-guided, film-reuse, no-till, staggered sowing and fertilization integrated machine and method for corn, belonging to the field of agricultural planting machinery. It includes a frame, a laser navigation system, an autonomous decision-making center, and a sowing and fertilization execution mechanism. The laser navigation system acquires the coordinates of the corn stubble location and film damage information for the first year's planting. The autonomous decision-making center is connected to the laser navigation system, uses a built-in path planning algorithm to generate a set of spatial offset coordinates for the next year's sowing points, and an LSTM neural network model to predict the remaining service life of the film, outputting the film reuse decision result. The piercing-type dual-channel seed-fertilizer synchronization mechanism has a conical piercing needle with a central hole as a seed channel and an annular gap between the central hole and the needle's inner wall as a fertilization channel. Seeds are released through a negative pressure adsorption mechanism, and deep fertilization is applied in a ring shape through a positive pressure spraying mechanism. This invention uses a low-damage piercing operation to ensure the integrity of the film after determining that it meets reuse adjustment requirements, and accurately positions the stubble to achieve staggered sowing.

The work machine (1) is provided with: a furrowing unit (18) that furrows a field while rotating about a shaft (16) extending in a machine width direction (K2); a ridge forming device (A) that forms a ridge (UN) in the field after being furrowed by the furrowing unit; a mulch laying unit (300B) that lays a mulch (300F) on the ridge; and a soil collecting member (D) that collects soil on the mulch, the soil collecting member having a soil covering member (DS) that covers soil at an end portion of the mulch and a blade (BL) disposed at a position inside the machine width direction from the soil covering member, the blade guiding the soil covered at the end portion to the mulch covering an upper surface of the ridge, the blade being configured separately from the soil covering member, the blade being disposed obliquely with respect to the soil covering member so as to extend toward the inside of the machine width direction when viewed from above.

1. The name of the design product: residual film pick-up belt. 2. The use of the design product: used for mounting on residual film recycling machine, picking up and lifting the mulch film, conveying it backward, feeding it into the packing box through the film stripping mechanism, and facilitating recycling and reuse. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best shows the design points: perspective view 1.

The utility model relates to a fruit and seedling separating device of a processed tomato harvester. The fruit and seedling separating device is mainly applied to harvesting of processed tomatoes. The harvester mainly comprises harvesting teeth, a harvesting table, a rack, a separation roller device, a fruit seedling conveying device, a fruit sieve, a fruit conveying device, a fan, a fruit ascending conveying device and a mulching film winding roller. A fruit and seedling mixture is conveyed mainly through the header, then fruit and seedling separation is carried out through the separation roller device, an eccentric vibration block is arranged in the separation roller device, fruits fall off from the fruit and seedling through vibration of the eccentric vibration block, and the separation roller device adopts a hook-shaped toothed bar and a finger-shaped toothed bar, so that the fruit and seedling separation efficiency is improved. The hook-shaped toothed bars and the finger-shaped toothed bars are matched with each other, so that fruit seedlings can be better grabbed, and the fruit seedlings are prevented from sliding off in the vibration process; the harvester replaces manual labor, and is high in harvesting efficiency and good in harvesting quality.

The utility model relates to the technical field of agricultural mechanical equipment, in particular to a ridging and film mulching all-in-one machine. Comprising a rotary cultivator, a ridging plough located on the rear side of the rotary cultivator and a film covering assembly located on the rear side of the ridging plough. The ridging plough is driven to move vertically on the rotary cultivator; the film mulching assembly comprises a support rotationally installed on a shell of the rotary cultivator, the support is driven by a driving device and can be kept stable after rotation, a stand column is fixed to the position, above the rear portion of the ridging plough, of the support, film containing rollers are symmetrically arranged on the stand column in the length direction of the rotary cultivator, and multiple sets of film mulching rollers used for mulching film laying guiding are arranged on the support. The lower end of the rear side of the bracket is symmetrically provided with two groups of soil covering wheels which are distributed towards the rotary cultivator in a splayed shape. Four use states are achieved according to deflection of the film mulching system and lifting of the ridging plough, so that the soil loosening, ridging and film mulching processes have multiple combined states, and the use flexibility of the equipment is greatly improved.

The invention provides self-propelled mulching film sampling detection equipment and a detection method, and the self-propelled mulching film sampling detection equipment comprises an equipment chassis which is used for bearing and providing power; the rotary tillage excavation sampling device is used for loosening soil at a specified depth on the ground; the conveying device is mounted on the equipment chassis and used for conveying the loosened soil upwards; the storage detection device is used for receiving, storing and detecting the conveyed soil and comprises a storage box body; the box body bottom plate lifting mechanism can drive the box body bottom moving plate and soil arranged on the box body bottom moving plate to be lifted gradually; the soil scraping mechanism is arranged above the storage box body and is used for being matched with the box body bottom plate lifting mechanism so as to scrape the soil surface layer which is gradually lifted in the storage box body layer by layer; and the image acquisition mechanism is used for performing image acquisition on the scraped soil surface layer for subsequent detection and analysis. According to the invention, the technical problems of how to realize automatic sampling and on-site rapid detection of farmland mulching film residues and effective identification and evaluation of residual mulching films in different years are solved.

The utility model discloses a mulching film combustion tail gas treatment device which comprises multiple stages of reactors connected in series, a gas inlet of the first-stage reactor communicates with an outlet of an air heater and an outlet of a combustion fan through a three-way valve, and a gas outlet of the last-stage reactor is provided with an exhaust pipe. A first waste gas discharge pipe and a second waste gas discharge pipe are arranged on the exhaust pipe, the reactor is provided with a gas mixing chamber, a catalyst layer and a temperature measuring unit, and a tail gas injection pipe used for injecting mulching film combustion tail gas into the gas mixing chamber is inserted into the gas mixing chamber. The mulching film combustion tail gas treatment method adopts the device and comprises the steps of preheating the mulching film combustion tail gas treatment device, starting the reactor step by step and discharging waste gas. The mulching film combustion tail gas treatment device can reduce the harm of mulching film combustion tail gas treatment to the environment, effectively avoids the damage to the service life of a catalyst due to overhigh local temperature, and ensures the operation stability and the service life of the mulching film combustion tail gas treatment device.

The invention relates to the field of agricultural cultivation, in particular to film mulching equipment for agricultural cultivation, and provides the film mulching equipment for agricultural cultivation in order to solve the operation problem that in the prior art, when a mulching film is replaced mainly through manual replacement at present, soil film mulching is not facilitated. Comprising a mounting frame and a transposer rotationally connected to the inner side of the mounting frame, the transposer can be provided with a plurality of film covering cylinders, a support capable of swinging up and down is rotationally arranged at the left end of the mounting frame, a pressing wheel and a soil covering wheel are installed on the front side of the support, and after the film covering cylinders are used, the transposer can be driven to intermittently rotate by lifting the support; when the support is lifted upwards, the pressing wheel and the soil covering wheel can be synchronously lifted upwards, a new mulching film can be conveniently pulled out for use, the operation is repeated, the operation of lifting the pressing wheel and the soil covering wheel and replacing the mulching cylinder can be easily completed, the operation steps of replacing the mulching cylinder by an operator are reduced, and the working efficiency is improved. The use by an operator is convenient.