464 results about "Soil treatment" patented technology

The invention provides a flow-state solidified soil mixing construction method based on automatic adjustment of proportioning parameters, belongs to the technical field of flow-state solidified soil, and realizes intelligent control of a flow-state solidified soil mixing process by establishing a three-section type precise screening and stirring system and a high-precision automatic control system. According to the method, firstly, target performance parameters are input, and an optimal matching scheme is automatically selected through a multi-target optimization algorithm; starting an original soil treatment unit to perform soil material dispersion treatment and measuring the physical characteristics of the soil material; adding the raw materials according to the accurate measurement, and fully mixing; when it is detected that the performance of the mixture deviates from a target value, the system automatically triggers a parameter compensation mechanism for adjustment; and meanwhile, a material ratio fluctuation early warning system is established, so that uneven mixture quality caused by starting and stopping of equipment or material conveying delay is avoided, and the technical problem that in the prior art, matching parameters are difficult to accurately regulate and control in real time in the mixing process of the flow-state solidified soil is solved.

The invention provides a biochar composite porous material for heavy metal contaminated soil remediation and a preparation method and application of the biochar composite porous material. The preparation method comprises the steps that biomass raw materials are subjected to high-temperature pyrolysis carbonization and then smashed, ground and sieved, and biochar powder is obtained; dispersing in a phosphoric acid solution to obtain a biochar solution, and filtering, washing and drying after a hydrothermal activation reaction to obtain activated biochar; dispersing in a chitosan solution, carrying out ultrasonic oscillation, filtering, washing and drying to obtain modified charcoal; mixing sodium bentonite, attapulgite and deionized water, uniformly mixing the modified charcoal, the functional slurry and a sodium carboxymethyl cellulose solution to obtain composite slurry, performing compression molding to obtain a green body, and then drying and calcining the green body. The biochar composite porous material prepared by the invention can simultaneously play multiple roles of physical adsorption, chemical chelation, ion exchange and the like in a heavy metal contaminated soil treatment process, so that efficient fixation of various heavy metal ions is realized.

The invention relates to the technical field of expansive soil treatment, and particularly discloses an expansive soil rapid hardening material as well as a preparation method and application thereof. The invention discloses an expansive type rapid hardening material for soil. The expansive type rapid hardening material is prepared from the following components: high belite sulphoaluminate cement clinker, ordinary Portland cement, gypsum, solid waste high-activity superfine powder, a nano crystal nucleus induction activating agent, a nano modified complexing agent and a modified early strength agent, the nano crystal nucleus induction activating agent is prepared from nano Al2O3, sodium dodecyl benzene sulfonate, NaOH and Na2SiO3; the nano modified complexing agent is prepared from nano SiO2, lauryl sodium sulfate and silane; the modified early strength agent is prepared from modified graphene oxide, Na2SiO3 and water. According to the technical scheme, the solid waste can be recycled, the expansive soil treated by the hardening material can achieve the effects of high hour strength and good water stability, and the curing speed and the production efficiency are greatly improved.

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 discloses a method and a device for treating soil heavy metal pollutants by an electroosmosis technology, and relates to the technical field of soil pollution treatment and remediation, and the method comprises the following steps: constructing an electroosmosis system, a liquid injection system and a pumping drainage system; liquid injection and pumping drainage are conducted, electroosmosis enhancer liquid medicine is injected into the soil, and meanwhile the liquid is pumped drainage till the concentration of the electroosmosis enhancer in the pumped drainage liquid reaches the preset requirement; soaking and electroosmosis are carried out; sampling detection is conducted, and liquid pumping sampling is conducted on the soil in the to-be-treated area till the pollutant residual concentration meets the preset requirement; water injection and pumping drainage are conducted, clear water is injected into the soil, meanwhile, liquid is pumped drainage, and soil treatment is finished until the concentration of the electroosmosis enhancer in the pumped drainage liquid is smaller than or equal to the preset concentration limit value. According to the method, a proper amount of electroosmosis enhancer liquid medicine is injected, heavy metal pollutants are dissociated through the electroosmosis effect and pumped and discharged to the hazardous waste pool, and heavy metal in soil is efficiently and reliably reduced.

The invention relates to the technical field of rotary cultivators, in particular to a rotary cultivator with a residual film recycling function. Comprising a front wheel; first rotating shafts are fixedly connected to one sides of the two front wheels, second rotating shafts are fixedly connected to one sides of the two rear wheels, a recycling machine shell is jointly and rotationally connected between the two first rotating shafts and the two second rotating shafts, and a tillage machine is arranged on one side of the recycling machine shell. Through cooperation of a water pump, a second threaded rod, a spraying bin and a spray head, broken films on a screen mesh plate can be dissolved, soil blocks can be decomposed, the problem that a large amount of time is spent on sorting residual films and straw by workers in the follow-up process is solved, a first motor, an air pump, a second motor and the water pump are controlled through a controller, and the working efficiency is improved. Complex residual film recovery and soil treatment processes are integrated into a highly automatic and intelligent operation system, the soil humidity, the residual film density and the impurity content are monitored in real time through a sensor, the suction force of an air pump and the water pressure of a water pump are intelligently adjusted, and soil moisture loss and energy consumption are reduced to the maximum extent while it is ensured that residual films are efficiently recovered.

The invention relates to the technical field of acid soil treatment and improvement, in particular to a soil conditioner suitable for acid yellow red soil and a soil improvement method. The soil conditioner provided by the invention is prepared from the following components in percentage by weight: 10 to 20 percent of humic acid loaded biochar, 40 to 50 percent of modified organic fertilizer, 15 to 25 percent of biogas residue, 8 to 12 percent of oyster shell powder, 3 to 5 percent of functional microbial agent and 2 to 3 percent of water-retaining agent. The soil conditioner disclosed by the invention can better improve acid soil, and meanwhile, compared with traditional lime, the soil conditioner disclosed by the invention has longer duration time.

The invention discloses a method for improving saline alkali soil through organic-inorganic coupling, and relates to the technical field of soil treatment.The inner side of a series-connection whole supporting frame is equidistantly provided with a plurality of transposition motors through motor bases, output shafts of the transposition motors are connected with transposition gears in a clamped mode, and the top end of the series-connection whole supporting frame is rotationally connected with an integration gear; the device effectively solves the problems that in the prior art, inorganic materials and organic materials are directly put into soil, pre-desalination and dealkalization treatment is not carried out on the soil, the soil is not subjected to salt removal and alkali removal treatment, and the soil is not subjected to salt removal and alkali removal treatment, so that the soil is not subjected to salt removal and alkali removal treatment, and the soil is not subjected to salt removal and alkali removal treatment. The saline-alkali environment affects the reaction speed of inorganic materials and organic materials with the soil, and through pretreatment desalination and independent reaction of part of the inorganic materials, neutralization treatment and salt and alkali reduction treatment of the soil are achieved, so that the saline-alkali concentration of the soil is reduced, and the situation that the overall reaction speed is affected by high-concentration saline-alkali is avoided.

The invention relates to the technical field of soil treatment, and provides a heavy metal contaminated soil treatment device which comprises a mounting plate, a treatment barrel is fixedly welded to the top end face of the mounting plate, a fixing frame is fixedly welded to the top end face of the treatment barrel, and a soil sampling backfilling assembly is mounted in the treatment barrel. A multifunctional processing assembly is installed in the processing cylinder, the soil taking and backfilling assembly comprises a servo motor and a conveying cylinder, a first smashing blade and a drilling cylinder are welded and fixed to the conveying cylinder, a cutting blade is welded and fixed to the bottom end face of the drilling cylinder, and the multifunctional processing assembly comprises a rotating frame and a first connecting pipe; a first through hole is formed in the first connecting pipe, and a second connecting pipe is fixedly connected to the first connecting pipe. By means of the technical scheme, the problems that in the prior art, a heavy metal contaminated soil treatment device cannot conduct deep treatment on soil in a contaminated area, and chemicals cannot be evenly mixed with the soil are solved.

The invention relates to the technical field of soil treatment, in particular to an integrated saline grainfield soil improvement and remediation method. According to the method, precise irrigation, concealed pipe drainage, salt-tolerant crop planting and bioremediation technologies are comprehensively applied, and systematic treatment of the salinized soil is achieved. Precise irrigation dynamically regulates and controls the leaching depth and frequency on the basis of real-time soil salinity and moisture data, the underground water level is intelligently controlled in combination with an underground pipe drainage network, salt accumulation is effectively reduced, and water resource waste is avoided; according to the salt-tolerant crop and green manure rotation mode, salt damage is reduced through plant salt absorption and root system nitrogen fixation, soil organic matter accumulation and microbial community reconstruction are promoted through application of a microbial agent and biochar, and a sustainable soil improvement mechanism is formed. The intelligent monitoring system integrates multiple types of sensors, collects key indexes such as salinity, nutrients and pH values in real time, predicts the salinization trend and regulates and controls irrigation, fertilization and drainage equipment in a linkage mode, full-process automatic management is achieved, and the management precision and efficiency are remarkably improved.

The invention discloses a spraying device for agricultural soil treatment. The spraying device comprises a frame, a spraying mechanism and a soil turning mechanism, the spraying mechanism comprises a support, a pipeline, a water pump, a water tank and a plurality of universal water spraying pipes; the support and the water tank are both installed on the vehicle frame, the water tank, the pipeline and the universal water spraying pipe are sequentially connected in the water flowing direction, and the pipeline is communicated with the water pump; the plurality of universal water spraying pipes are mounted on the support and are distributed at intervals in the horizontal circumferential direction of the support; the soil turning mechanism is installed on the vehicle frame and used for turning the soil sprayed by the spraying mechanism. The spraying device for agricultural soil treatment can turn soil while spraying pesticide in multiple directions.

The subject invention provides compositions and methods for reducing the carbon footprint of producing biofuels. Microbe-based soil treatment compositions are utilized to reduce greenhouse gas emissions resulting from the agricultural practices of producing feedstock crops.

The invention relates to the technical field of environmental remediation, in particular to an in-situ soil perfluorinated compound remediation method and system.The method comprises the following steps that electrochemical targeted enrichment is conducted, applying a pulse type direct-current electric field to the anode and the cathode to drive anionic PFAS in the soil to migrate and enrich towards an anode area; in the anode area, the temperature of anode soil is increased, composite peroxide and a chemical activator are continuously injected, and perfluorinated compounds enriched in the anode are oxidized and degraded; and microbial polishing and ecological restoration: stopping the electric field, carrying out post-treatment on the anode region, adding a microbial agent and a nutritional agent into the anode region, and carrying out biodegradation on residual perfluorinated compounds or degradation intermediate products thereof. Through systematic design of physical field guidance, targeted energy injection, multiple catalytic oxidation and ecological function reconstruction, in-situ soil treatment is achieved, and the core problem in PFAS in-situ remediation is precisely solved.

The invention provides a purification device for treating soil heavy metal pollution, and belongs to the technical field of soil treatment, the purification device comprises a treatment frame assembly, an inner reaction barrel assembly, a vibration material dispersing assembly, a raking component, a medicament spraying assembly, a lifting component, a discharging opening and closing assembly and a discharging assembly, soil can be conveyed to the vibration barrel while crushing teeth are utilized to crush the soil in advance, the vibration barrel is driven to move up and down in a reciprocating mode in a rotating state through cooperation of a curved-surface circumferential sliding way of a unique structure and a sliding wheel, and the raking component is used in a combined mode, so that the raking effect is improved. The soil before treatment can be efficiently and multiply crushed; the pesticide spraying assembly and the lifting component are used together, so that pesticide uniform scattering action can be performed on soil particles falling into the reaction barrel, and uniform mixing is realized; and the discharging opening and closing assembly is matched with the discharging assembly, so that automatic discharging work can be realized on the basis of safety.

The invention belongs to the field of foundation engineering construction, and provides a building foundation engineering construction method which comprises the following steps: S1, geological improvement, cushion construction and expansive soil treatment; s2, prefabricated foundation components are assembled; s3, intelligent reinforcement cage construction; s4, concrete pouring and curing; and S5, performing quality verification and data archiving. The lime and coal ash mixed curing layer is adopted to inhibit ion exchange expansion, the expansion coefficient of expansive soil is reduced, liquid water permeation is blocked through the breathable film, gaseous water diffusion is allowed, damage to a film body caused by air pressure is reduced, temperature rise and deformation data are fed back in real time through the sensor network embedded in the reinforcement cage, pouring parameters are dynamically adjusted, and the construction quality is improved. A point cloud model is generated through three-dimensional laser scanning, an acceptance report is generated by comparing with BIM design deviation, manual measurement is replaced, the acceptance efficiency is higher, and whole-process intelligent monitoring can be achieved.

The utility model discloses a movable desert soil treatment machine which comprises a machine frame, a walking system and a desert soil atomization system. The desert soil atomization system comprises two atomization rollers; the device further comprises a lifting support and a hydraulic system. The atomizing roller is mounted on the lifting bracket; the hydraulic system comprises a roller power hydraulic element, a lifting hydraulic element, an oil pressure detector, a lifting electric control valve and a controller; the roller power hydraulic element drives the atomization roller to rotate; the lifting hydraulic element drives the lifting bracket to lift; the lifting electric control valve is connected between the lifting hydraulic element and the hydraulic oil source; the detection end of the oil pressure detector is connected with a driving oil path of the roller power hydraulic element, and the signal output end is in signal connection with the signal end of the controller; the control end of the controller is in signal connection with the lifting electric control valve so as to control the lifting electric control valve. According to the movable desert soil processor, the atomization rollers can be prevented from being trapped or stuck, shutdown operation is reduced, and the processing efficiency and reliability of the movable desert soil processor are improved.

The invention discloses a red mud artificial soil reconstruction method based on biomass and fly ash, which is used for performing soil treatment on red mud and comprises the following steps: pretreating the red mud; the method comprises the following steps: mixing biomass and an inorganic material to serve as an additive material, and performing pretreatment; adding materials into the red mud and then culturing. According to the method, the biomass and the inorganic material are mixed to serve as the additive material, pretreatment is conducted, and therefore the red mud can be effectively treated, and vegetation reconstruction and ecological restoration of the red mud storage yard are achieved.

The invention discloses a method for in-situ passivation of available cadmium in soil, and belongs to the technical field of heavy metal contaminated soil treatment. According to the method, the fulvic acid with the molecular weight being 100 kDa or above is applied to the acid mining area soil with the pH being 2-4.5 according to the adding amount of 3-20 gC / kg, the low-concentration cadmium pollution of the source being 4 mg / kg or below is removed, the concentration of effective-state cadmium is reduced, the cost is saved, the natural substance fulvic acid is used as the remediation agent, operation is easy and convenient, and the method is suitable for remediation of various mining area soil.

The utility model relates to the technical field of soil treatment equipment, in particular to a nutrient soil continuous mixing machine which comprises a supporting frame used for supporting the mixing machine, a mixing barrel inclined by 10 degrees is arranged above the supporting frame, and a comb plate distributed in a spiral mode is arranged in the mixing barrel. And the mixing cylinder is used for receiving materials. According to the mixing device disclosed by the utility model, the mixing barrel, the comb plates and the driving motor are mutually matched, when the driving motor drives the mixing barrel to rotate, the comb plates are spirally arranged and welded on the inner wall of the mixing barrel, and the comb plates and the inner wall of the mixing barrel form a uniform certain included angle when being fixed; the comb plate is arranged in the mixing barrel, so that materials can flow in the mixing barrel in a spiral track under the guidance of the comb plate, and the materials can be sheared, stretched and folded by the comb plate in different directions and angles during flowing, so that the materials can be stirred more uniformly, and the mixing uniformity and the mixing efficiency are improved.

The invention discloses a recombinant bacillus paralicheniformis and an application of the recombinant bacillus paralicheniformis in production of betaine. According to the invention, bacillus paralicheniformis Bp1 with heavy metal cadmium resistance is used as a chassis strain, and an de novo synthesis pathway which takes glucose as a substrate and synthesizes glycine betaine through glycolysis, glyoxylic acid pathway and glycine methylation pathway in sequence is established in the bacillus paralicheniformis, so that the survival rate of the glycine betaine in cadmium-polluted soil is increased; the effects of the microbial soil treating agent and the microbial fertilizer are improved, so that the growth of the plant-black nightshade with an enrichment effect on cadmium and the absorption of the black nightshade on the cadmium in the polluted soil are promoted.

The invention discloses a soil sampling device for environment detection, and relates to the field of environment detection.The soil sampling device comprises a sampling mechanism for sampling soil based on the precession principle and a soil treatment mechanism for crushing and collecting the sampled soil, and the sampling mechanism comprises a first walking support, a precession driving part and a sampling barrel; wherein the first walking support is a vertical support with lifting and walking functions, and the first walking support is provided with a screw-in driving piece; the soil treatment mechanism is arranged on one side of the sampling mechanism and connected with the sampling mechanism through a sliding module, the soil treatment mechanism comprises a second walking support, a sample receiving disc, a crushing module and a discharging channel, and the second walking support and the first walking support are consistent in structure and are arranged in a mirror image mode; according to the soil sampling device, integrated soil sampling treatment equipment is constructed through the sampling mechanism and the soil treatment mechanism, and full-process operation of automatic precession collection, crushing and refining and sample loading and storage of soil samples can be realized.

The invention discloses a strawberry cultivation method which comprises the following steps: (1) soil treatment before field planting: applying a soil improvement fertilizer before field planting to adjust the pH value of soil to 6.2-6.5, the soil improvement fertilizer comprises the following components in percentage by weight: 46-55% of oyster shell powder; 33%-39% of decomposed sheep manure; 1%-2% of composite rare earth silicate; 4%-6% of a bacillus subtilis microbial agent; 6%-8% of a potassium humate chelate fertilizer; (2) applying a flower and fruit leaf strengthening fertilizer in a period from flower bud differentiation to young fruit expansion; (3) applying a fruit swelling stress-resistant drip irrigation fertilizer from the fruit swelling period to the mature period, wherein the fruit swelling stress-resistant drip irrigation fertilizer comprises a liquid A and a liquid B; the oyster shell powder in the components of the soil improvement fertilizer can improve the acid neutralization capacity, rare earth and potassium humate are premixed to form an organic-rare earth chelate, the microbial activity is activated, and the disease inhibition rate is increased by 60%; the sugar degree of the fruits is increased by 2.5-3.0 Brix, so that the economic benefit is maximized.

The invention discloses a disease-resistant nursery stock planting method based on nursery stock root protection, and relates to the technical field of nursery stock cultivation and planting. The problem that in the prior art, seedling root systems are not pertinently protected, and consequently the disease resistance of the seedling root systems is insufficient is solved. The survival rate and disease resistance of the seedlings are remarkably improved through whole-process refined treatment, the seedling selection link is accurately screened according to biological characteristics, and the seedling root system quality is guaranteed from the source; soil treatment is combined with deep ploughing, composite disinfection and improvement technologies, soil air permeability is improved by 40% or above, pathogenic bacteria are eliminated, root system protection measures and differentiated pruning and soaking schemes are customized according to different nursery stock characteristics, intertillage and soil loosening are matched with ventilation pipeline laying, and the root system growth physical environment is optimized; the multi-parameter sensor network is linked with the root system monitoring device, real-time dynamic regulation and control of the soil environment and the root system growth state are achieved, the disease resistance of the seedlings is enhanced, and the survival rate and the growth quality of the seedlings are improved.

The invention relates to the technical field of soil treatment equipment, and discloses agricultural land remediation soil treatment equipment which comprises a base, a traction seat is fixedly connected to the middle of one side of the base, a fixing bolt is inserted into the middle of the traction seat, and a guide cover is fixedly connected to the side, close to the middle of the traction seat, of the base. A rotating seat is rotationally connected to the middle of the inner side of the guide cover, a plurality of shovel plate seats are arranged on the outer wall of the rotating seat in a circumferential array mode, edging parts are arranged on the sides, away from the rotating seat, of the shovel plate seats, and a driving motor is arranged on one side of the middle of the rear end of the base. The soil hardening degree can be effectively reduced and the looseness and air permeability of the soil can be remarkably improved by carrying out accurate stirring separation and collection on residual plant or weed root systems, the soil is softer in the planting process through the treatment mode, a good breathing environment is created for the plant root systems, and healthy growth and extension of the root systems are promoted.

The invention discloses a vegetable soil microwave disinfection and salt reduction treatment machine, and relates to the technical field of vegetable soil microwave treatment, the vegetable soil microwave disinfection and salt reduction treatment machine comprises a stable support, a soil treatment bin, a feeding system and a dynamic crushing unit, the inner wall of the stable support is rotatably connected with a microwave resonant cavity; the soil treatment bin is fixed above the microwave resonant cavity, the inner wall of the soil treatment bin is fixedly connected with a bin body supporting base and a sealed treatment bin, and the feeding system comprises a conveying belt and a servo motor and can directionally convey soil to the treatment bin; the dynamic crushing unit is arranged at the top of the sealed treatment cabin, an alloy soil breaking cutter is driven by a rotating shaft to cut massive soil, and the equipment integrates a salinity / humidity sensor and a control module to realize automatic regulation and control of feeding; a hydraulic jacking mechanism in the sealed treatment cabin can disperse center accumulated soil, soil layering treatment is achieved in cooperation with a spiral spoiler, uniform penetration of microwaves is ensured, the soil disinfection and salt reduction efficiency and uniformity are improved through continuous feeding, dynamic crushing and intelligent regulation and control, and the device is suitable for continuous treatment of vegetable soil of different textures.

The invention discloses a synthetic microbial agent for treating uranium-contaminated soil and a preparation method of the synthetic microbial agent. The synthetic microbial agent is prepared from the following bacteria: P.adami, P.megatherium, bacillus subtilis, Artobacter volluticus, symbiotic fungi, Aspergillus niger, sulfate reducing bacteria and Shewanella. The symbiotic fungi are mucor lastein, mucor unimingguminum, mucor circinelloides, mucor dense, rhizopus arrhizus and phylum phthochytrium parasitic fungi. The prepared synthetic microbial agent and synthetic microbial embedded balls are applied to uranium-contaminated soil remediation, the key enzyme activity can be effectively improved, the soil metabolism function is enhanced, meanwhile, exchangeable uranium with high ecological risk is converted into stable and low-harm residual uranium, the mobility and bioavailability of uranium in soil are effectively weakened, and the uranium-contaminated soil remediation effect is improved. Therefore, immobilized remediation of uranium is realized, and a good soil uranium fixing effect is achieved.

The invention provides a salinized grassland soil treatment device. The salinized grassland soil treatment device comprises a moving plate, a soil treatment box is installed at the top of the moving plate, a mixed nitrogen applying mechanism is arranged on one side of the soil treatment box, and the mixed nitrogen applying mechanism is used for adding a mixture of organic nitrogen and inorganic nitrogen into soil in the soil treatment box. A mixed nitrogen applying mechanism is arranged in the soil treatment box, the mixed nitrogen applying mechanism dynamically adjusts the mixing proportion of organic nitrogen and inorganic nitrogen according to the salinity gradient in the soil, a heating mechanism is arranged in the soil treatment box, a soil detection module is arranged in the soil treatment box, and the soil heating mechanism is used for heating the soil in the soil treatment box; the soil detection module is used for detecting soil parameters including the PH value, the electric conductivity, the temperature and humidity and the nitrogen content. The salinized grassland soil treatment device provided by the invention has the advantages that the device is convenient to use, gradient response type regulation and control of salinity can be realized, and the soil treatment efficiency can be improved.

The invention discloses a method for carrying out soil treatment by using ardealite and a microbial agent, and aims to solve the problem that ardealite as an industrial by-product is difficult to recycle. According to the method, 5% of a microbial agent (one of trichoderma harzianum, arbuscular mycorrhizal fungi or bacillus laterosporus) and 5%-15% of biochar are applied to phosphogypsum in a combined mode, the nutrient content of a phosphogypsum matrix is remarkably increased, and meanwhile specific pollutants (such as soluble phosphorus, fluorine and heavy metal) are stabilized and solidified. Experimental results show that the technology can effectively regulate and control the pH value of the phosphogypsum matrix, obviously increase the diversity of effective microbial communities and improve the micro-ecological environment of the phosphogypsum matrix. The ardealite combined with the microbial agent and the biochar can be used as a plant growth matrix or a soil substitute material for ecological restoration of mines, has the characteristics of low cost and high efficiency, and provides a feasible way for harmlessness and soil utilization of the ardealite.

The utility model is suitable for the technical field of agricultural mechanical equipment, and provides soil loosening equipment applied to traditional Chinese medicine planting. The mounting frame is arranged on the frame, a rotating motor is fixedly mounted on one side of the mounting frame, a rotating rod is rotatably mounted on the mounting frame, one end of the rotating rod is fixed with an output shaft of the rotating motor, and a plurality of soil turning knives are arranged on the rotating rod; the storage box is used for storing chemical fertilizers and is fixedly mounted on the frame, a discharging pipe is arranged at the bottom of the storage box, and a proportional valve is arranged on the discharging pipe; and the fertilizer screening box is arranged on the frame, and the fertilizer screening box is positioned behind the soil turning knife. According to the soil loosening equipment applied to traditional Chinese medicine planting, automation and high efficiency of soil treatment and fertilization operation are achieved, precise application of chemical fertilizer is ensured, and the soil quality and the crop growth environment are improved.

The application discloses a mobile desert soil treatment machine and a control method thereof. In the control method of the mobile desert soil treatment machine, the rotating speed of the rear atomization roller is lower than that of the front atomization roller during operation, so that the hard block-shaped objects are promoted to fall back from the rear of the rear atomization roller, the residence of the hard block-shaped objects in the atomization mixing space is reduced, the atomization mixing effect of the atomization mixing space is improved, the collision of the hard block-shaped objects with the atomization bin wall plate and the atomization roller is reduced, the component damage is reduced, and the safety hidden danger is reduced. The mobile desert soil treatment machine further comprises a speed difference adjusting system, and the first roller driving device and the second roller driving device are controlled according to the collision strength signal generated by the collision detector, so that the rotating speeds of the front atomization roller and the rear atomization roller are controlled. During operation, the rotating speed of the rear atomization roller is lower than that of the front atomization roller.