239 results about "Peat" patented technology

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

The invention provides a soil sowing seedling raising method for cibotium barometz. The soil sowing seedling raising method of the cibotium barometz comprises the following steps: taking peat soil as a matrix, sowing spores of the cibotium barometz into the matrix, and culturing until sporophyte seedlings are obtained. According to the method, on the premise that the seedling quality is guaranteed, the seedling raising period is shortened, good growth conditions are provided for germination and development of the spores of the cibotium barometz, the seedling raising efficiency is improved, and the important practical value is achieved.

The invention relates to a cultivation nutrient medium and a preparation method thereof. According to the nutrient medium, peat is completely abandoned, the coco coir, the straw and the biochar are combined to reduce ecological burden, the nutrient medium is an environment-friendly medium, the biochar fixes carbon and reduces emission, and the soil structure can be improved after long-term use; vermiculite improves the water-holding capacity, perlite and straw form a stable pore structure, and the ventilation porosity reaches 25% or above. Wormcast and a microbial agent synergistically release nitrogen, phosphorus and potassium, and the fertilizer efficiency is lasting. The microbial agent can inhibit soil-borne diseases such as fusarium and reduce the death rate of cultivated seedlings. The biochar adsorbs salt and toxins, and the EC value is stabilized at 1.2-1.8 mS / cm. The cost of the selected raw materials is reduced by 35% compared with that of a traditional substrate, and the substrate is suitable for large-scale production, suitable for vegetable seedling culture, potted flowers, organic farms and soilless culture systems, and especially suitable for saline-alkali soil or continuous cropping obstacle areas.

The present invention discloses a remote sensing-based ecosystem carbon sink monitoring method, which relates to the field of ecological carbon sink monitoring. The method uses a GIS system and corrected carbon sink data. The method can divide wetlands into different types such as swamps, peatlands and wet grasslands, and calculates the carbon sink amount CW of each region by constructing a carbon sink monitoring model, and finally calculates the overall carbon sink amount CWzt of the overall wetland, and presets a carbon sink threshold T and a preliminary comparative evaluation of the overall carbon sink amount CWzt of the wetland. In addition, combined with a dynamic monitoring formula, the carbon sink change amount △CW(t) is further calculated, and a prediction evaluation is performed with the carbon sink threshold T. The spatial visualization of carbon sink capacity in different regions is realized by using GIS tools, and the seasonal changes and long-term trends of wetland carbon sinks are displayed, so that wetland managers can intuitively understand the carbon sink changes in wetlands, which is conducive to precise management and planning.

The invention provides an anti-freezing artificial wetland system in a cold region and a temperature control method thereof. The system comprises a vertical flow artificial wetland; a water collecting pipe is arranged at the bottom of the vertical flow constructed wetland and is filled with filler; the water collecting pipe is communicated with a water level adjusting pipe which is vertically arranged, and the water level adjusting pipe comprises at least two water level pipes with different heights. The filler sequentially comprises a zeolite layer, a steel slag-peat mixed layer and a volcanic rock-quartz sand layer from top to bottom. Plants with deep roots and plants with shallow roots are planted in the vertical flow constructed wetland; a water level sensor for measuring the height of the water level, an ice layer sensor for measuring the thickness of an ice layer and an air sensor for measuring the thickness of an air layer between the ice layer and the water surface are arranged in the vertical flow constructed wetland. According to the system provided by the invention, the anti-freezing performance of the constructed wetland system can be remarkably improved, the activity of microorganisms is guaranteed, and the sewage treatment effect and the operation efficiency are improved.

The invention provides a uranium-containing ore pulp efficient electro-Fenton activation leaching material based on peat and pyrite and an activation method, and belongs to the fields of inorganic nanometer material application and uranium purification and conversion. According to the leaching material, woody peat and natural pyrite particles are subjected to ball milling, so that uniform mixed powder is obtained, then reaction is conducted under the hydrothermal condition, steam chambering and activating treatment is conducted under the high-temperature condition, and the modified peat-pyrite iron-containing nano composite material with good catalytic activity is prepared; the material can effectively promote generation of an oxidizing agent in an electro-Fenton reaction, so that oxidation and dissolution of uranium are accelerated, U (IV) in uranium ore is rapidly converted into U (VI) with higher mobility, and the material has the advantages of being high in uranium resource recovery rate, small in environmental pollution, economical, applicable and the like, is suitable for efficient activation of uranium-containing ore pulp and has good application prospects. And an effective scheme is provided for sustainable development of uranium resources.

The invention discloses organic nutrient soil and a manufacturing method thereof.The organic nutrient soil is prepared from, by weight, 25-30 parts of leaf mold, 20-25 parts of peat soil, 12-15 parts of perlite, 10-12 parts of vermiculite, 20-25 parts of organic fertilizer and 3-5 parts of biological inoculant.The organic nutrient soil contains abundant organic matter, nitrogen, phosphorus, potassium and other macroelements and multiple medium trace elements, the biological inoculants are added at the same time, and the organic nutrient soil has the advantages that the organic nutrient soil is rich in organic matter, nitrogen, phosphorus, potassium and other macroelements; the nutrient requirements of different plant growth stages can be met, healthy and strong growth of plants is promoted, and the stress resistance and quality of the plants are improved; by reasonably matching the raw materials such as the leaf mold, the peat soil, the perlite and the vermiculite, the nutrient soil has good air permeability, water drainage, water retention and looseness, soil hardening is effectively prevented, and a suitable growth environment is provided for plant roots; the manufacturing method is simple, is simple in process, is convenient to operate, does not need complex equipment and technologies, and is easy for large-scale production, popularization and application.

The invention provides a method for extracting fulvic acid from peat soil, and belongs to the technical field of separation and purification. The method comprises the following steps: firstly, pretreating a peat soil sample, and then sequentially carrying out acidolysis reaction, ultrasonic-assisted extraction, alkali dissolution reaction, high-speed refrigerated centrifugal treatment, activated carbon enrichment treatment, filtration and precipitation, centrifugal separation and washing, drying, grinding, purification and the like. Through ordered cooperation of all the steps, the peat soil structure can be effectively destroyed, fulvic acid is promoted to be fully dissolved out, separated and purified, and the extraction rate and purity of fulvic acid are improved. The method has the advantages that the operation process is closely linked, high efficiency and practicability are achieved, a reliable technical scheme is provided for fulvic acid extraction, and the method has positive significance in related application fields.

The invention relates to a method for preparing artificial peat and fulvic acid from livestock and poultry manure in the breeding industry by a high-pressure hydrothermal method, which comprises the following steps: regulating the concentration of the livestock and poultry manure to be 10-40% by using part of flash condensate, pressurizing by using a high-pressure pump, feeding into a tubular hydrothermal reactor and a tower type delay reactor for hydrothermal reaction, and then separating by using a depressurization flash tower to obtain the artificial peat and fulvic acid. After the gas phase enters a preheating heat exchanger to be cooled and liquefied, part of flash evaporation condensate is circulated back to the livestock and poultry manure concentration adjusting tank, and solid-phase slurry is separated through a filter press; filtering to obtain solid serving as artificial peat, pumping filtrate into a tubular heater at high pressure, heating to 380 DEG C or above, and desalting in a desalting tower; and mixing the desalted filtrate with the residual flash condensate to obtain a fulvic acid product.

The invention relates to the technical field of improvement methods, in particular to a soil conditioner based on ultramicro-granulated energy-gathered humic acid, and energy-gathered humic acid raw materials of the soil conditioner based on ultramicro-granulated energy-gathered humic acid comprise weathered coal, lignite, peat, oil shale, an auxiliary additive, a thermophilic bacterial agent, an organic fertilizer and an inorganic fertilizer. According to a formula, the ratio of weathered coal to lignite to peat to oil shale to an auxiliary additive to a thermophilic bacterial agent to an organic fertilizer to an inorganic fertilizer is 4: 4: 2: 2: 1: 1: 2: 2; the ultramicro-pelletized energy-gathered humic acid soil conditioner is prepared by adopting a soil conditioner preparation method. According to the soil characteristics of the desert area, local materials can be used for improving the soil of the desert area, the soil structure of the desert area is improved, the fertility is improved, and the ecological balance of the soil is maintained.

The invention provides a solid waste composite cementing material for a mixing pile and a proportioning optimization method of the solid waste composite cementing material, and belongs to the technical field of concrete materials. The aluminum mud, the red mud, the building micro powder and the phosphorite tailing powder are used as raw materials and compounded to form the cementing material for the mixing pile, cement can be effectively replaced, the problem that a cement-based material is poor in performance in a peat silty soil scene is solved, and cyclic utilization of solid waste materials can be achieved; and in addition, through a meta learning-multi-objective reinforcement learning fusion algorithm, Pareto optimal proportioning schemes of all components in the cementing material under different environment conditions and different maintenance conditions are rapidly generated, the bottleneck of traditional trial and error research and development is broken through, and the research and development progress is accelerated.

The invention relates to the technical field of geophysical exploration, in particular to a radar nondestructive detection method for buried peat in a farmland, which comprises the following steps of: 1, selecting any point on the farmland to be detected as a starting point; 2, a carrying device is used for loading a ground penetrating radar to detect the starting point, in the detection process, the antenna frequency of the ground penetrating radar is dynamically selected according to the formation type of an ore deposit, the collection mode is dynamically adjusted according to the terrain gradient, the soil profile of the position of the starting point is obtained, and the thickness of a peat layer at the position is obtained according to the soil profile; 3, selecting a plurality of test points according to the thickness of the peat layer, and sequentially detecting the thickness of the peat layer at the position of each test point by using a ground penetrating radar; and 4, connecting the values of the peat layer thickness of the starting point and the peat layer thickness of the test point position to form a smooth curved surface so as to predict the peat layer thickness of other positions of the farmland. The method is used for reducing the influence of farmland grass roots and the like on data acquisition.

The invention relates to the technical field of ecological restoration and water resource management, in particular to a novel brick material based on corn straw as well as a preparation method and a use method of the novel brick material, and provides the novel brick material based on the corn straw in order to solve the problems of high water loss speed and slow ecological restoration of peat land. Comprising the following raw material components: corn straw powder, corn straw charcoal, calcium bentonite and corn stigma fiber, the corn straw powder, the charcoal, the calcium bentonite and the corn stigma fiber are mixed according to a specific proportion, and the mixture is subjected to compression molding to prepare the brick with good moisture retention performance and ecological compatibility. The method is specially used for water retention and vegetation recovery of the peat land.

The invention discloses a carbon enzyme polypeptide water-soluble fertilizer and a preparation method thereof, and the water-soluble fertilizer is prepared from the following raw material components in parts by weight: 160-220 parts of urea crystal, 45-60 parts of polymeric carbon enzyme, 40-60 parts of potassium carbonate, 10-30 parts of polypeptide amino acid, 50-70 parts of pine pollen, 10-40 parts of trace elements, 30-60 parts of charcoal, 60-80 parts of modified ground phosphate rock, 2-6 parts of coenzyme and 30-80 parts of chitosan-humic acid slow-release copper fertilizer. According to the fertilizer synergist disclosed by the invention, the peat soil is added, so that the content of humus is greatly increased, the fertilizer synergist has a very good promoting effect on improving the soil fertility and improving the physical and chemical properties of soil after being applied, and meanwhile, the addition of various beneficial microbial agents can assist plant root systems to absorb the fertilizer, can fully release fertilizer nutrients, and improves the use effect of the fertilizer; therefore, growth of plant roots is promoted, and crop yield is increased.

The invention discloses a preparation method of a tomato culture medium, which aims at solving the technical problems that peat resources are non-renewable and high in cost and the utilization rate of mulberry twig wastes is low, and is realized by the following technical scheme: firstly, crushing fresh mulberry twigs into particles; mixing silkworm excrement with a sodium alginate solution, and coating the mulberry twig particles in a fluidized bed at the air temperature of 60 DEG C and the atomization pressure of 0.3 MPa to form core-shell structure particles with the shell thickness of 0.1-0.3 mm; then mixing the core-shell particles with fine peat to form a mixture, and stacking the mixture with the coarse peat and the fine peat to form a three-layer gradient structure; and finally, spraying a zymophyte liquid with trichoderma content greater than or equal to 1.0 * 10 < 7 > CFU / mL until the water content is 40%, and standing and activating for 20 days. The matrix takes mulberry twigs as a core raw material, combines silkworm excrement slow-release fertilizer efficiency and gradient structure optimization water-air balance, can replace a traditional peat matrix to be used for tomato planting, and realizes agricultural waste recycling and low cultivation cost.

The invention belongs to the field of plant tissue culture, and particularly relates to a novel plant tissue culture support as well as a preparation method and application thereof. The novel plant tissue culture support comprises the following raw materials in parts by weight: 1-5 parts of sawdust, 1-2 parts of perlite, 1-3 parts of peat soil, 1-2 parts of coco coir and 0-1 part of moss. The preparation method comprises the following steps: mixing and stirring all raw materials to obtain a premix; and sterilizing the premix, thereby obtaining the product. Compared with the prior art, the method has the advantages that agar powder and carrageenan which are expensive in price are not used (actually, the agar powder and the carrageenan only have a supporting effect and do not contain any other nutrient substances), and the material cost of the culture medium is saved by about one third; the low-cost mixture matrix of the sawdust, the peat soil, the perlite, the coco coir and the sphagna is used, so that the material cost is saved, the tissue culture seedlings can adapt to the culture matrix for greenhouse production in advance, and the survival rate of the tissue culture seedlings is greatly increased.

The invention belongs to the technical field of planting, and discloses an exogenous treatment method capable of promoting expansion of second-generation bulbs of lilies, which comprises the following steps: planting the second-generation bulbs of lilies in Pingsi peat soil, and when overground parts of the lilies grow to about 20cm, carrying out exogenous irrigation treatment by using a malic acid solution once every two weeks. The malic acid solution is adopted for exogenous irrigation of plants, and compared with a control group, the circumferential diameter of seedballs harvested in a treatment group is remarkably increased; the exogenous treatment method in the lily bulb cultivation process has the advantages of being low in cost, convenient to operate, high in production quality, green, free of pollution and the like, solves the problem of degradation of second-generation lily bulbs generally existing in the lily cultivation process, facilitates lily cultivation management and bulb expansion, and provides technical support for localization of the lily bulbs.

The invention discloses a plant substrate with long water retention time and good mechanical property and a preparation method thereof, and relates to the technical field of plant cultivation, the plant substrate is prepared by the preparation method of the plant substrate with long water retention time and good mechanical property, and the preparation method comprises the following steps: S1, adding a mixed solution and substrate raw materials into a mold, the matrix raw material is composed of peat, perlite and vermiculite, the volume of the mixed liquid is 0.7-1.22, and the mixed liquid is composed of a first curing material and a second curing material; s2, the mixed solution and the matrix raw materials in the mold are subjected to at least two times of freezing and thawing cycles, the plant matrix is obtained, the freezing temperature ranges from-30 DEG C to-4 DEG C, the duration time ranges from 14 h to 16 h, the thawing temperature ranges from 10 DEG C to 40 DEG C, and the duration time ranges from 7 h to 9 h.

The utility model belongs to the field of field experiment systems, and discloses a rain reduction experiment device for a high and cold peat land, which comprises a rain interception assembly, a support assembly and a water cut-off assembly, the rain intercepting assembly is used for guiding rainwater to the outside of the sample plot; the supporting assembly is used for supporting the rain intercepting assembly above the ground of the high and cold peat land; the water cut-off assembly comprises a waterproof piece which is used for surrounding the outer side of the supporting assembly and extends into the position below the ground of the high and cold peat land. The device disclosed by the utility model can well realize simulated rain reduction of the high and cold peat land, accurately obtain an experimental structure and avoid interference to the natural state of an ecological system.

The present application relates to an environment-responsive intelligent controlled-release organic fertilizer and a preparation method thereof, and belongs to the technical field of composite organic fertilizer. In order to solve the problem that the traditional soil improvement method cannot simultaneously improve the efficiency of phosphorus supply and the soil, the present application provides a preparation method of an environment-responsive intelligent controlled-release organic fertilizer. The method comprises the following steps: crushing and drying agricultural and forestry waste, and then placing the waste in a calcium source compound solution to complete preloading; drying and grinding to obtain a preloaded sample; pyrolyzing the preloaded sample in an inert atmosphere to obtain calcium-modified biochar; mixing the calcium-modified biochar with a phosphorus-containing solution to perform adsorption, thereby obtaining phosphorus-loaded biochar; and mixing the phosphorus-loaded biochar with peat and a binder, and then granulating and forming to obtain the organic fertilizer. The organic fertilizer has the environment-responsive characteristic, can adapt to the growth of crops in a three-stage phosphorus release mode, can reduce phosphorus fixation, can improve the soil structure, can stabilize the soil pH, and can improve the differentiation of the micro-niche ecological niche of the soil.

The embodiment of the invention provides peat water rough running detection equipment and a detection method, and the detection equipment comprises an equipment main body which comprises a feeding pipe and a leakage net, and conveys peat water to the leakage net through the feeding pipe; the flushing assembly is used for flushing the leakage net; the image acquisition module is arranged towards the leakage net and is used for acquiring an image of the leakage net; and the control center is electrically connected with the image acquisition module, the control center comprises an image analysis unit, and the image analysis unit can receive the image information uploaded by the image acquisition module and perform image analysis. According to the peat water rough running detection equipment provided by the embodiment of the invention, whether the rough running problem exists in the coal washing process or not can be automatically detected by utilizing an image analysis technology, so that the manpower is liberated, and the manpower cost is reduced. In addition, the scheme also has the advantages of low equipment cost and high detection accuracy.

The invention relates to a composition for rapidly improving horticultural soil and a preparation method and application thereof, and relates to the technical field of horticultural soil improvement. The invention discloses a composition for rapidly improving gardening soil. The composition comprises the following components in parts by weight: 35-50 parts of peat, 20-35 parts of coco coir, 15-20 parts of pine scales, 5-10 parts of quartz sand and 1-3 parts of controlled-release compound fertilizer, the controlled-release compound fertilizer comprises a controlled-release core and a quick-acting layer coated on the surface of the controlled-release core. Through cooperation of peat, coco coir, pine barks, quartz sand and the controlled-release compound fertilizer, the physical problems of heavy caking and anaerobic water accumulation of sludge soil are quickly solved, and meanwhile, seamless connection of short-term quick fertilizer supplementation and long-term stable fertilizer supply of nutrients is realized through the quick-acting layer and the controlled-release core; the method adapts to the double demands of rapid promotion of greening engineering and seedling cultivation.

The invention discloses a soil organic carbon mineralization rate determination method, and relates to the technical field of soil carbon circulation and greenhouse gas monitoring. The method comprises the following steps: carrying out hydrochloric acid back titration on an absorption liquid by adopting an automatic potentiometric titration method, converting to obtain the mass of a carbon element contained in carbon dioxide, calculating the mineralization rate by combining the dry soil weight and the culture interval, and finally subtracting an inactivation control value to obtain the organic carbon mineralization rate driven by pure microorganisms. A thin-wall stainless steel undisturbed soil drill matched with the inner diameter of a culture bottle is used for collecting soil columns in a layered manner, PVC liner tube sealing and constant-temperature transportation are matched, and a cold chamber for simulating the in-situ temperature is combined, so that the in-situ structure and the microbial habitat of the loose high-water-content peat soil are reserved to the maximum extent, and damage of traditional pretreatment to soil pores and microbial communities is avoided.

The invention discloses a method for preparing a soil conditioner for gardenia cultivation by using immobilized compound bacteria, which comprises the following steps: extracting gardenia lignin by using gardenia waste as a raw material, and preparing an inner-layer wall material to embed a mixed bacteria solution to obtain lignin inner-layer microcapsules; preparing an outer-layer wall material through modified chitosan, and compounding and curing the inner-layer microcapsule, the hydrogenated streptomyces liquid and the outer-layer wall material to obtain the immobilized composite microbial agent. And finally, mixing the immobilized complex microbial inoculant with matrixes such as leaf mold and peat soil to obtain the modifier. Ordered release of compound bacteria is realized through dual response, functional synergy of Rafissonia, Ochrobactrum and Streptomyces hydrogenii can be enhanced through population signal molecule modification, soil nutrients can be activated, effective iron can be chelated to solve the problem of iron deficiency yellowing of cape jasmine, soil pollutants and pesticide residues are degraded, and the soil quality is improved. Pathogenic bacteria reproduction is inhibited, and rhizosphere micro-ecological balance is maintained; plant hormones can be secreted to promote the growth of the cape jasmine, and the cape jasmine is converted into more components with high medicinal value.

The invention relates to the technical field of saline-alkali soil improvement, in particular to a saline-alkali soil sand-peat layered improvement structure and an improvement regulation and control method.The saline-alkali soil sand-peat layered improvement structure sequentially comprises a dry branch and fallen leaf covering layer, a sand-peat mixed layer, a peat layer and a mineral gleying layer from top to bottom, and an irrigation pipeline layer is arranged in the sand-peat mixed layer and / or the peat layer; the mixing mass ratio of the sandy soil to the peat soil in the sand-peat mixing layer is (3-5): 1, the particle size of the sandy soil is 0.1-0.5 mm, and the content of organic matters in the peat soil is 30-50%. According to the sand covering-peat layered improved structure for the saline-alkali soil and the improved regulation and control method, through the design of the sand covering-peat layered structure, the dry branch and fallen leaf covering layer, the sand-peat mixed layer, the peat layer and the mineral gleying layer are arranged, water and salt migration and organic matter distribution are optimized, the local microbial activity of soil is induced to be improved, and the soil quality is improved. The improvement effect is dynamically evaluated by combining an enzyme activity threshold value in a CASH system.

The utility model belongs to the technical field of ecological breeding equipment, and particularly relates to an in-water circulation ecological breeding barrel which is detachably arranged in a breeding pond, a plurality of breeding holes are circumferentially formed in the bottom of the breeding barrel, water permeable holes are circumferentially formed in the top of the breeding barrel, and a multi-layer composite substrate layer sequentially comprises a first soil layer, a second soil layer and a third soil layer from bottom to top, the first soil layer comprises soil and earthworm soil, and the earthworm soil contains active earthworm groups; the second soil layer comprises coco coir, perlite and vermiculite; the third soil layer comprises peat, perlite and vermiculite; the fourth soil layer comprises peat and vermiculite, and the biological-physical synergistic purification system has the beneficial effects that biological-physical synergistic purification is achieved, and the self-purification capacity of the system is improved.

The invention relates to the technical field of desert control, in particular to a method for afforestation in a desert area. By means of methyl cellulose, on one hand, the water retention capacity of modified cellulose is improved, and on the other hand, the binding capacity of the modified cellulose to water and the acting capacity of the modified cellulose to sand grains are improved by means of moisture retention and adhesion of the methyl cellulose. Furthermore, through the compounding effect of the modified cellulose, the biomass particles and the peat, the interaction among the modified sand grains is enhanced, so that the sand grains in a loose state are converted into the modified sand grains with water retention and fertilizer retention capacities. According to the modified sand grains, on one hand, the modified sand grains around the saplings form a wind-erosion-resistant consolidation system, the water holding capacity of the modified sand grains is enhanced while rapid water locking is achieved, and the water consumption in the plant growth period is obviously reduced; on the other hand, it can be guaranteed that the water content of the modified sand grains is stable for a long time, plant root development and the steady state of the growth environment are promoted, and the plant survival rate is increased.

The utility model discloses equipment for preparing a strawberry culture medium by utilizing moss peat. The equipment comprises a crushing and stirring device body and a material receiving box body arranged on the front side of the crushing and stirring device body, a jacking air cylinder body is arranged on the side face of the material receiving box body, an air cylinder lifting column is arranged in the middle of the jacking air cylinder body, a lifting connection zigzag strip block is arranged at the upper end of the air cylinder lifting column, and a clamping lifting material receiving box base plate is arranged at the tail end of the lifting connection zigzag strip block. The clamping lifting material receiving box base plate is attached to the bottom and the inner wall of the material receiving box body but not connected with the bottom and the inner wall of the material receiving box body, the jacking air cylinder body can drive the air cylinder lifting column to drive the lifting connecting zigzag strip block to further drive the clamping lifting material receiving box base plate to ascend, and after the clamping lifting material receiving box base plate ascends, a certain fall can be increased; articles for transferring and receiving are placed at the lower end of the front side of the device for receiving the prepared culture medium, and the articles can be conveniently transferred due to the higher fall, so that the use practicability of the device is effectively improved.

The application discloses a system and working method for separating carbon sand from sludge carbon and synchronously expanding the carbon hole, which comprises a tank body, a rotating mechanism, a sludge carbon releasing mechanism, a secondary reverse mixing mechanism and a water outlet weir, a sand collecting hopper is installed at the bottom end of the tank body, a sand discharging pipe is connected to the lower end of the sand collecting hopper, the sludge carbon releasing mechanism is installed inside the tank body and above the sand collecting hopper, a carbon inlet is formed in the side wall bottom end of the sludge carbon releasing mechanism, a carbon inlet pipe is connected to the carbon inlet, the inlet of the carbon inlet pipe is located outside the tank body, the rotating mechanism is installed above the sludge carbon releasing mechanism, a water inlet pipe is connected to the inlet of the rotating mechanism, the secondary reverse mixing mechanism is installed above the rotating mechanism, the water outlet weir is arranged above the secondary reverse mixing mechanism, and the water outlet weir is connected with the inner wall of the tank body. The application realizes the effective separation of carbon powder and sand and stone from sludge carbon, simultaneously realizes the expansion of the carbon hole and the removal of part of the ash, increases the specific surface area of the carbon, and improves the adsorption performance of the carbon.

The invention belongs to the technical field of chemical engineering manufacturing industry, and particularly relates to a preparation and application method of a novel compound fertilizer suitable for sandy soil remediation. The preparation method of the compound fertilizer comprises the following steps: 1) pretreating slaughtered waste pigskin, then adding a protease hydrolysis solution for treatment and suction filtration, and freezing and drying the obtained filtrate to obtain pigskin protein powder for later use; 2) calcining attapulgite, cooling to room temperature, adding a solution of coconut shell carbon, woody peat and pigskin protein powder, and grinding to obtain composite particles; (3) putting the composite particles into an aqueous solution containing inorganic nutrient elements, stirring, then heating, adding a microbial complex microbial inoculant, and uniformly stirring to obtain a mixed solution; and (4) adding a polyglutamic acid solution into the mixed solution, uniformly stirring, adjusting the pH value to be neutral, and drying at low temperature to obtain the compound fertilizer. The invention researches and develops a compound fertilizer formula capable of improving the soil performance and promoting the growth of plants in desertification soil at the same time.