36 results about "Soil governance" patented technology

The invention discloses a power grid tower footing area vegetation restoration method based on biological source humic acid and application of the power grid tower footing area vegetation restoration method, and belongs to the technical field of ecological restoration and soil treatment. The technology aims at solving the problems of soil erosion and loss caused by environmental disturbance conditions such as vegetation damage in power grid construction, and the technical scheme mainly comprises the steps of adopting a soil improvement technology based on HFA or combining the HFA with other bio-fertilizers for use, and configuring a formula for plants suitable for planting and a vegetation management strategy. The method mainly comprises the following steps: measuring various physical and chemical factors of a soil sample around a tower footing, comparing the physical and chemical factors with an average (normal) value of local soil, and formulating the HFA use amount and concentration according to the results; investigating site conditions such as local weather, terrain, soil properties and the like, native plants and suitable plants, and formulating a plant planting formula and a comprehensive vegetation management scheme capable of iteratively growing in different seasons. According to the method, the vegetation restoration speed and environmental protection are both considered, and vegetation restoration and ecological environment improvement can be rapidly achieved.

The invention relates to the technical field of soil treatment, and particularly discloses a soil micro-plastic electrostatic separation device and method.The soil micro-plastic electrostatic separation device comprises a sample pool, an electrostatic adsorption mechanism is arranged on one side of the sample pool, and the electrostatic adsorption mechanism is connected with an electrostatic discharge generator through a wire; the electrostatic adsorption mechanism comprises an adsorption plate and a connecting handle; the bottom box and the heightening frame bodies are made of wood, the height of the sample pool can be adjusted by installing the heightening frame bodies in an assembling mode, a nylon coating is arranged on the outer side of an adsorption plate and used for adsorbing micro-plastics and eradicating the risk of high-voltage electric leakage, and the height of the adsorption plate can be adjusted through an arranged supporting assembly; the particle size range of the micro-plastic covered by electrostatic adsorption is wide, compared with a traditional method, the recovery rate is remarkably improved, and the original form of the micro-plastic and the natural structure of soil are protected through normal-temperature physical separation and no reagent addition.

The invention belongs to the technical field of biology, and relates to a heavy metal tolerant sphingomonas strain 1PPS-Zn1 and application thereof, the heavy metal tolerant sphingomonas strain 1PPS-Zn1 is preserved in China Center for Type Culture Collection on March 20, 2025, the preservation number is CCTCC NO: M 2025544, the sphingomonas strain 1PPS-Zn1 can adsorb and tolerate high-concentration zinc, the highest tolerable concentration reaches 80 mmol / L, and the sphingomonas strain 1PPS-Zn1 also has the capabilities of producing IAA, fixing nitrogen and promoting plant growth, and can be applied to the field of heavy metal tolerant plants. And the absorption, enrichment and transfer capabilities of the black nightshade to heavy metal zinc in the soil can be improved, finally, the remediation efficiency of the zinc-polluted soil is improved, a new way is provided for soil remediation and ecological environment remediation, and the method has wide development and application prospects.

The invention relates to the crossing field of soil system remediation, digital smart agriculture, land comprehensive treatment and block chain technology, in particular to a soil treatment block chain authentication excitation system and method based on multi-source credible verification and mineral activation and heavy metal passivation technology. The system comprises a perception execution layer (deployed in a governance area and collecting multi-dimensional governance data), a credible verification layer (military-civilian fusion multi-source cross verification and credible uplink evidence storage), a block chain core layer (alliance chain architecture, including ecological value quantification smart contract), and an application excitation layer (automatic excitation distribution). According to the method, data are ensured to be real and cannot be tampered through multi-source cross verification, soil improvement indexes are converted into incentive integrals by using intelligent contracts, and immediate quantitative incentive of treatment contributions is realized. The problems of low data credibility, excitation delay and insufficient participation in traditional governance are solved, and a credible closed-loop system of'governance-income 'is constructed. Wherein the incentive points are only used for exchanging real object rewards or services (such as agricultural materials and technical support) in the system, do not have a currency function, and do not carry out public transactions or exchange legal currency.

The utility model discloses an environmental remediation soil treatment equipment relates to soil remediation technical field, the soil that does not carry out screening, the soil that groups directly enters into the mixing box, causes the soil to be unable promptly and fully with the liquid medicine mixture, the problem of low soil treatment efficiency, present the following scheme, including installation mechanism, installation mechanism includes the installation frame that the operating mouth is opened on the outer wall of both sides lower part, the cover plate and the mixing cylinder of ellipsoidal structure are connected through the bolt on the outer wall of installation frame top, is equipped with screening feeding mechanism above the cover plate, and screening feeding mechanism includes the conveying pipe that the installation mouth is opened on the inner wall of bottom, the conveying shaft that is penetrated and is connected on the outer wall of conveying pipe one end through bearing, spiral blade and filter screen. The utility model can screen the soil when soil treatment, prevent the soil that groups directly with the treatment liquid contact, make the soil fully with the liquid medicine contact and mix, improve soil remediation efficiency.

The utility model relates to the technical field of environmental treatment, and discloses a contaminated soil treatment device which comprises a movable frame, and a liquid medicine spreading assembly and a soil crushing and drying assembly are arranged on the surface of the movable frame. The liquid medicine spreading assembly comprises a liquid storage tank fixedly installed on the upper left portion of the movable frame, a liquid outlet pipe is embedded in the lower left portion of the liquid storage tank, and a valve is arranged on the surface of the liquid outlet pipe. In the moving process of the movable frame, soil is shoveled into a soil breaking pipe through a mud shovel, then the soil is broken through rotation of a soil breaking rod, along with slow advancing of the movable frame, the broken soil is dried to a certain degree through an air heater, and then the soil falls on the ground from the left end of the soil breaking pipe. The chemical in the liquid storage tank is sprayed to the soil from the spray head, the chemical is used for repairing the soil, and in the process, the soil can be dried to a certain degree, so that the chemical is prevented from being excessively diluted, and the repairing effect of the chemical on the soil is ensured.

The utility model discloses a kind of soil pollution treatment devices, it is related to soil treatment technical field, including: mobile station, the front of mobile station is equipped with support plate, the inside of support plate is equipped with telescopic link, the bottom of telescopic link is equipped with water distribution pipe, the bottom of water distribution pipe is equipped with spray nozzle, the top of water distribution pipe is equipped with control valve, the top of mobile station is equipped with storage tank, the inside bottom wall of storage tank is equipped with submersible pump. The utility model is equipped with telescopic link, the bottom of telescopic link is connected with water distribution pipe, telescopic link lengthens and shortens and drives bottom water distribution pipe height adjustment, the bottom of water distribution pipe is fixed to spray nozzle, water is transmitted to storage tank by water inlet, submersible pump is operated for pumping, water is transmitted to the inside of transmission pipe, transmission pipe transmits water to the inside of control valve, control valve controls water transmission, control valve transmits water to the inside of water distribution pipe, and it is convenient for user to control transmission amount.

The invention belongs to the technical field of soil treatment, and particularly discloses a method for predicting exchangeable heavy metal content in soil based on P-wave velocity, which comprises the following steps: collecting a soil sample from a heavy metal polluted plough layer, crushing and sieving; then drying and carrying out vacuum sealing and standing; spraying purified water to the soil sample until the preset water content is reached; pouring the soil sample into a mold, horizontally oscillating to a preset index, and taking down; determining the heavy metal concentration and exchangeable state content in each soil sample after oscillation by adopting a soil basic physicochemical property analysis method; a comprehensive acoustic monitoring system is used for measuring the actual propagation time of P waves passing through the soil, and the wave velocity of the P waves corresponding to the soil sample is calculated; and based on the P-wave velocity, the heavy metal concentration and the exchangeable state content, establishing a fitting linear model of the exchangeable state heavy metal content and the P-wave velocity, and dynamically simulating soil key variables to accurately predict the soil heavy metal pollution level. The method has the characteristics of high pertinence, simplicity and convenience in operation, high detection speed, wide detection range and low cost.

The invention discloses a soil remediation data management method and device, and relates to the technical field of data management, and the method comprises the steps: obtaining a multi-dimensional data structure of a soil remediation prescription library; the multi-dimensional data structure comprises a plurality of soil treatment elements; dynamically generating a hyperlink according to the association relationship between the user historical query behavior data generated in real time and each soil remediation element; storing the hyperlinks and the metadata associated with the hyperlinks into a database table structure; the metadata comprises hyperlink description; according to a query condition input by a user, returning a query path corresponding to the query condition from the database table structure; the query path comprises at least one hyperlink. According to the method, the hyperlink can be dynamically generated, and the query efficiency of the user on the soil remediation data is improved.

The invention discloses a device for removing heavy metal ions in soil, and belongs to the technical field of soil governing.The device sequentially comprises a feeding unit, a material crushing unit, an extrusion unit, a filtering unit, a stirring unit and a precipitation filter pressing unit, the feeding unit is arranged on one side of the material crushing unit, and the extrusion unit is arranged on the other side of the material crushing unit; the other side of the crushing unit is communicated and connected with one side of the extrusion unit, the other side of the extrusion unit is sequentially communicated and connected with the filtering unit and the stirring unit, and the stirring unit is communicated and connected with the precipitation filter pressing unit. According to the device for removing the heavy metal ions in the soil, the units of the device are linked and matched with one another, the purification effect and the working efficiency of the heavy metal contaminated soil are improved, no wastewater is discharged in the whole treatment process, the environment-friendly benefit is achieved, and the device is suitable for popularization and application. The method has the advantages of high efficiency, rapidness, environmental friendliness and easiness in engineering.

The invention discloses a vegetation-soil-microorganism synergistic remediation treatment method for a stony desertification slope, and relates to the technical field of soil remediation, and the method comprises the following steps: S1, precise evaluation of site conditions: uniformly arranging 10m * 10m quadrats on a target slope by adopting a GPS positioning and field sampling combined method, and measuring the slope, rock exposure rate, soil thickness and soil organic matter content (SOM); s2, vegetation three-dimensional configuration and field planting: selecting local stress-tolerant species, and constructing a three-dimensional community according to a plant / cluster number ratio of (2-4): (2-4): (3-5); according to the method, vegetation-soil-microorganisms are regarded as an organic whole, a synergistic mutual promotion mechanism of the vegetation, the soil and the microorganisms is systematically constructed, the vegetation fixes a carbon source through photosynthesis, root exudates nourish the microorganisms, the soil provides a physical carrier and a basic environment for the vegetation and the microorganisms, and the microorganisms supply energy to the vegetation through nutrient conversion; and a forward circulation of vegetation soil fixation, soil bacterium cultivation and microbe vegetation promotion is formed.

The utility model provides a soil breaking device for soil treatment, which relates to the technical field of soil treatment and comprises a frame. The two wheels are fixedly mounted on the surface of the frame, so that the frame can stably move; the three traction rings are fixedly connected to the surface of the vehicle frame, so that the vehicle frame is connected with traction equipment; the adjustable soil breaking mechanism is arranged on the surface of the frame, so that soil with different depths can be turned over; the adjustable soil breaking mechanism comprises a frame and a balance weight mechanism, the balance weight mechanism is arranged on the surface of the frame so that the soil breaking shovel can be easily shoveled into the deep layer of soil, the adjustable soil breaking mechanism comprises two fixing frames, and the two fixing frames are fixedly connected with the frame. The utility model solves the problems that the positions of the soil breaking shovels need to be adjusted when the soil of different geologies needs different ploughing depths, a plurality of soil breaking shovels are arranged on the same equipment, and the operation of a worker is inconvenient due to independent adjustment.

The invention provides a shockproof buffer type soil treatment sampling sample storage box, and belongs to the technical field of soil sampling storage. Comprising a box body and a box cover, two mounting plates are mounted on the two side walls in the box body correspondingly, storage cylinders are slidably mounted in multiple vertical sliding grooves in the opposite sides of the two mounting plates correspondingly, first springs are mounted at the bottom ends of the storage cylinders, positioning telescopic columns are arranged in the first springs, and adjusting assemblies are arranged between the first springs and the bottom end in the box body; a plurality of partition plates are slidably arranged in a storage cavity in the top end of the storage barrel, and fixing assemblies are arranged between the partition plates and the adjusting assemblies. By means of the adjusting assembly, sufficient elastic strokes can be reserved for heavy samples conveniently, the buffering performance can be adjusted in a self-adaptive mode along with loads, and by means of the fixing assembly, the circular plate applies self-adaptive pressing force in direct proportion to the weight of the samples to the surface of the soil, so that shaking and displacement of the loose soil samples are restrained, and the integrity of the samples is kept.

The invention relates to a soil treatment effect evaluation method and system based on data processing and modeling, and belongs to the technical field of electric digital data processing, and the method comprises the following steps: A) collecting soil in a fixed area; step B), collecting soil on each distribution point by using sound waves in the fixed area so as to construct a soil collection model of each area distribution point; step C): analyzing soil data in the soil acquisition model of each regional distribution point; step D): evaluating the soil pollutant accumulation degree in the soil acquisition model of each regional distribution point; step E), evaluating the proportion of the polluted area distribution point soil acquisition model area in the fixed area by using a distribution point connecting line proportion area mode; the method has the beneficial effects that the assessment of the treatment effect is achieved by assessing the proportion of all polluted regional distribution point soil collection model regions in the fixed region to the fixed region.

The invention belongs to the technical field of soil conditioning, discloses a method for synergistically improving sandy soil by utilizing an agriculture and forestry biomass ash-based material, and aims to solve the problems of complicated construction, high cost, non-lasting effect and poor ecological compatibility in sandy soil treatment. The material is composed of seven components including pretreated agriculture and forestry biomass ash serving as a main functional phase, an anti-cracking auxiliary material, a slow-release regulation and control phase, sand stabilization bricks with hollow spaces are prepared through the processes of mixing, high-pressure forming and the like, the sand stabilization bricks are arranged in a determinant mode or a honeycomb mode according to the wind speed to construct an earth surface sand stabilization wall, pretreated drought-enduring seeds are arranged, and then the sand stabilization bricks are put into the sand stabilization wall. The method has the advantages that the construction is simple and convenient, the cost is low, the cooperation of sand blocking and soil improvement is realized, the organic matters and the water-holding capacity of the soil are obviously improved after the method is applied, the loss amount of the sandy soil is greatly reduced, and the ecological compatibility is good.

The present application relates to the technical field of soil remediation, and particularly relates to a hydrotalcite biochar compounded material, a preparation method and application thereof. The present application selects specific hydrotalcite and biochar as raw materials, and adopts a simple mixing method to prepare the compounded material. The preparation method is simple, the obtained material does not need high-temperature calcination and ball milling post-treatment processes, and can be produced on a large scale, thereby effectively saving the cost. The present application can simultaneously achieve the three purposes of improving the soil pH value, fixing heavy metals and improving the organic matter content, and the fixation rate of effective cadmium and effective lead is higher, and is suitable for large-scale application.

The invention discloses a digital management and evaluation system for soil acidification treatment of a honey pomelo garden, and particularly relates to the technical field of digital management of orchard soil treatment, which comprises the following steps: collecting soil pH value, exchangeable acid amount, soil layer identification, sampling time, application and modification record, irrigation and drainage record and rainfall record of each sampling position, and outputting original treatment data; receiving original governance data, executing position binding, horizon binding, time sorting and historical storage, and outputting continuous governance data; receiving continuous treatment data, correspondingly combining detection records and application and modification records of the same tree disk position, the same soil layer and the same treatment round, generating digital twin bits in one-to-one mapping with actual treatment positions, and outputting a digital twin bit set; a governance position is mapped into a digital twinborn bit, and interlayer continuity, modification range consistency, boundary external interference elimination and subsequent round persistence review are sequentially performed on detected good changes, so that true improvement and staged appearance improvement are distinguished.

The utility model provides a soil sampling device for soil remediation, including: a soil sampler and a sampling mechanism wherein the sampling mechanism includes a connecting ring, a first spring, a support plate, a guard plate, two sets of mounting components, a storage box and a box door wherein the connecting ring is arranged on the outer wall of the soil sampler; one end of the first spring is connected with the bottom wall of the connecting ring; the supporting plate is connected with the other end of the first spring; the protective plate is connected with the bottom wall of the supporting plate, and the protective plate is arranged outside the soil sampler; the two groups of mounting assemblies are symmetrically arranged on the outer wall of the protective plate; the storage box is arranged on the side walls of the two mounting assemblies; and the box door is pivotally connected with the side wall of the storage box. According to the soil sampling device for soil remediation, disclosed by the embodiment of the utility model, a soil sample can be lifted to the sampler and then released into the container, so that the soil sample is prevented from being mixed with impurities on the ground and the soil sample, and the accuracy and the reliability of an analysis result are not influenced.

The invention provides a device and method for extracting micro-plastics in soil, and belongs to the technical field of soil governing devices.The extracting device comprises a shell, a crushing mechanism, a spraying cleaning mechanism and a vibration separation mechanism, the crushing mechanism comprises a crushing roller assembly, a brush assembly and a disc spring fixed to the lower end of the brush assembly, and the spraying cleaning mechanism is arranged in the shell; the vibration separation mechanism drives the disc spring and the filter membrane assembly to vibrate, the disc spring and the filter membrane assembly drive the brush assembly and the filter membrane to vibrate, soil enters the shell, after the crushing roller assembly crushes the soil, the brush assembly scrapes down the soil attached to the crushing roller assembly, and then the soil enters the shell. And the micro-plastic is retained on the upper surface of the filter membrane by the filter membrane. According to the multi-stage vibration system of the crushing mechanism and the vibration separation mechanism of the extraction device, the brush assembly and the filter membrane synchronously vibrate, and the dissociation efficiency of the micro-plastics from the soil aggregates is improved.

The invention relates to the technical field of image processing, in particular to a soil erosion variation intelligent monitoring method for water and soil governance, which comprises the following steps: acquiring suspected landslide areas in remote sensing images in each period, acquiring erosion risk factors of each suspected landslide area in each period, and calculating the erosion risk factors of each suspected landslide area in each period; clustering the suspected landslide areas in each period to obtain the erosion degree of each risk area in each period; recording the recent period as the current period, and obtaining the erosion growth of each risk area in the current period; obtaining the environmental stability of each risk area in the current period; on the basis of the erosion growth performance and the environmental stability, the overall attention degree of each risk area in the current period is obtained, and the collection frequency of each risk area in the current period is set according to the overall attention degrees, so that the erosion conditions of different areas in the to-be-detected area are considered, and the erosion monitoring accuracy is improved.

The invention discloses a polluted soil treatment device which comprises a main frame body, a grinding mechanism, a punching mechanism, a liquid injection mechanism and a film covering mechanism, the lower end of the main frame body is fixedly connected with a soil breaking shovel, the upper end of the main frame body is fixedly connected with a device connecting frame, and the lower end of the main frame body is fixedly connected with a lower support; the lower support is rotatably connected with a transmission shaft, the transmission shaft penetrates through the lower support, and the axial outer wall of the transmission shaft is fixedly connected with a traveling wheel. The invention further discloses a contaminated soil treatment method which comprises the following steps: step 1, preliminary soil breaking, step 2, soil crushing, step 3, deep punching and step 4, repairing liquid injection. Through the arrangement of the structure and the method, cooperative work of ground breaking, grinding, punching, liquid injection and film mulching can be achieved, segmented operation or frequent manual intervention is not needed, the operation interval is greatly reduced, and large-area contaminated soil remediation work can be efficiently completed.

The application provides a soil in-situ remediation device, and belongs to the technical field of soil remediation, which comprises a vehicle body, a deep ploughing mechanism and a bulk material mechanism; the deep ploughing mechanism is provided with a plurality of groups of soil loosening shovels at intervals along a first direction, the depths of the lower ends of the plurality of groups of soil loosening shovels into the soil gradually increase backward along the first direction; each group of soil loosening shovels is provided with a plurality of shovel teeth at intervals along a second direction, and the depths of the plurality of shovel teeth corresponding to each group of soil loosening shovels into the soil are the same; the bulk material mechanism is arranged on the vehicle body; the bulk material mechanism has a plurality of groups of bulk material ends corresponding to the plurality of shovel teeth one by one, the bulk material ends pass through the bottom of the vehicle body downward, and are close to the lower ends of the corresponding groups of shovel teeth; when the vehicle body travels along the first direction, the shovel teeth dig soil trenches in the soil layers at the corresponding depths, and the bulk material ends are used for scattering soil remediation agents into the corresponding soil trenches. The soil in-situ remediation device provided by the application can uniformly scatter soil remediation agent bulk materials, so as to improve the soil treatment effect.

The application discloses a kind of honey pomelo garden soil acidification treatment digital management and evaluation system, specifically related to orchard soil treatment digital management technical field, including the soil pH value of each sampling position, exchangeable acid amount, soil layer identification, sampling time, change record, irrigation and drainage record and rainfall record, output original treatment data;Receive original treatment data, execute position binding, layer position binding, time sorting and history storage, output continuous treatment data;Receive continuous treatment data, the detection record of the same tree tray position, the same soil layer, the same treatment round is combined with change record, generates and actually treats the digital twin site of one-to-one mapping of position, output digital twin site set;By mapping treatment position as digital twin site, and to the favorable change detected successively executes interlayer continuity, change range consistency, boundary external interference exclusion and subsequent round persistence review, to distinguish real improvement and phase appearance improvement.

According to the method for predicting the extraction efficiency of the soil heavy metal eluting agent based on machine learning, data of the extraction rate of soil heavy metal is collected in a database to serve as a data set of a machine learning model, after preprocessing, a machine learning algorithm is optimized through grid search, an eluting agent extraction efficiency prediction model is established, and the extraction efficiency of the soil heavy metal eluting agent is predicted. And predicting the to-be-detected heavy metal extraction rate. The model established by the method is simple and convenient to operate, experimental parameters can be optimized, the soil remediation efficiency can be improved, the accuracy of predicting the extraction rate of the heavy metal in the soil is high, the reliability is good, the calculation efficiency and the analysis capability are superior to those of a traditional method, and a basis can be provided for reducing the soil remediation cost; the method is suitable for areas with different heavy metal contents and different types of eluting agents, can greatly save manpower and material resources, and is small in workload, low in cost and high in efficiency.

The present invention discloses a comprehensive evaluation system and method for urban green space soil fertility based on historical data, which relates to the technical field of soil fertility evaluation. Historical data of sampling points are obtained; according to the historical data of the sampling points, the evaluation area is divided into several sub-areas; the comprehensive soil fertility index of each sub-area is calculated, and the comprehensive soil fertility index of the evaluation area is obtained based on the comprehensive soil fertility index of the sub-areas, providing guidance for soil treatment; various soil fertility indicators of the sampling points are obtained, considering the changes in the soil indicators, the overall soil fertility indicators of the research area are obtained from the various soil fertility indicators of the sampling points, and finally the soil fertility of the research area is evaluated to make the evaluation result more accurate; by evaluating the soil fertility indicators, the nutrient status of the soil can be understood, so as to determine appropriate fertilization and irrigation strategies, which helps to improve the green space soil environment and enhance the overall quality of the green space.

The utility model 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 utility model relates to the technical field of soil treatment, and discloses a deep soil treatment device which comprises a movable base and a liquid storage tank, a spraying assembly is arranged on one side of the liquid storage tank and comprises an observation cylinder vertically connected to one side of the liquid storage tank in an embedded mode, and a hydraulic air cylinder is connected to the center of the top end of the observation cylinder in an embedded mode. The power output end of the hydraulic cylinder penetrates through the top end of the observation cylinder, and a visual window is vertically embedded in the surface of the outer side wall of the observation cylinder. Through mutual cooperation of the observation cylinder, the hydraulic air cylinder, the fixing plate, the visual window and the screw rod, a medicament treatment agent can be accurately sprayed to the depth of soil needing to be treated, the treatment accuracy is ensured, soil in a spraying area can be turned, the medicament can rapidly permeate, and the treatment effect is further improved.

The invention belongs to the technical field of environmental governance and soil sampling equipment, and particularly relates to a polycyclic aromatic hydrocarbon contaminated soil governance sampling device which comprises a rotatable sampling head and a controller, the output end of the sampling head is connected with an openable container, and the side wall of the output end of the sampling head is slidably connected with an automatic sealing mechanism. The automatic sealing mechanism comprises a switching driving assembly and a packaging driving assembly, and the input end of the container is connected with a cleaning mechanism. The structure is convenient to use, the sampling efficiency of the polycyclic aromatic hydrocarbon polluted soil is improved, the detection effect is enhanced, a sampling-packaging-cleaning mode closed loop is realized, and the detection accuracy is enhanced.

The utility model relates to the technical field of environmental remediation, and discloses environmental remediation soil treatment equipment which comprises a mixing mechanism, a screening mechanism and a conveying mechanism, the screening mechanism is located at the top of the mixing mechanism, the conveying mechanism is located at the bottom of the screening mechanism, the mixing mechanism comprises a processing box, and a pipeline is fixedly connected in the processing box. And a nozzle is arranged in the pipeline in a communicating manner. According to the pesticide spraying device, pesticide enters a pipeline and is sprayed into soil through a nozzle through pressurization, at the moment, a motor drives a stirring rod to rotate, meanwhile, the stirring rod is fixed to a gear, the gear is meshed with a first gear, the first gear rotates on the outer wall of a fixing rod, and the fixing rod ensures that the first gear and the second gear are accurately meshed; and meanwhile, two stirring rods, two gears and two first gears are arranged, and the two stirring rods conduct stirring inwards at the same time through the first gears, so that the pesticide and the soil are fully fused, the soil remediation time is shortened, and the elimination efficiency of harmful substances is improved.

The invention discloses a soil pollution abatement and remediation device for polluted land and a use method of the soil pollution abatement and remediation device, and relates to the technical field of polluted soil regeneration, a abatement box is provided with a soil conditioning system, and the soil conditioning system uses the abatement box to carry out targeted treatment on different types of pollutants and regularly monitors the remediated soil. Restorated soil is regularly monitored through the soil conditioning system, whether the content of heavy metal or organic matter in the soil is rebounded or not is analyzed, corresponding maintenance measures are taken according to the monitoring result, and if it is found that the pollutant concentration tends to rise, remediation measures can be further taken, so that the remediation effect is improved. And according to the monitoring result, the variety or dosage ratio of strains, a remediation agent or a conditioner used during large-area land remediation is adjusted, and the blended soil remediation agent is conveyed into the polluted land through a drip tube, so that the remediation work of the large-area polluted soil is specifically carried out.