65 results about "Pyroligneous acid" patented technology

The utility model discloses a bitter apricot kernel wastewater treatment device which comprises an equipment shell, a water inlet pipe and a water outlet pipe are respectively arranged on the equipment shell, and a wastewater treatment assembly communicated with the water inlet pipe and the water outlet pipe is arranged in the equipment shell; the wastewater treatment assembly comprises a plurality of groups of apricot shell adsorption tanks which are connected in series, apricot shells are filled in the apricot shell adsorption tanks and are used as adsorbents, the apricot shells adsorbing hydrocyanic acid are subjected to carbonization treatment, and the hydrocyanic acid is destroyed in the carbonization treatment process and forms a part of pyroligneous liquor; the hydrofluoric acid on-line detector is arranged at the downstream of the apricot shell adsorption tank and is used for detecting the content of hydrofluoric acid in the treated wastewater; the control valve group is connected to the water inlet pipelines and the water outlet pipelines of the apricot shell adsorption tanks and is used for controlling the working states of the multiple groups of apricot shell adsorption tanks. The device is efficient in use, easy to operate, low in maintenance cost, safe and reliable, hydrofluoric acid is eliminated in the carbonization process, waste water is recycled, and water resources are saved.

The invention discloses a construction method for forming a modified aggregate based on wood vinegar and charcoal mixing, and belongs to the technical field of carbon sequestration and agricultural soil carbon sequestration. The method mainly comprises the following steps: mixing biochar, organic acid and mineral powder in proportion, adding water, granulating by using a stirrer to form an initial aggregate, stabilizing the initial aggregate through an aging maintenance process, and finally applying the obtained high-stability aggregate to a soil layer. The core of the method is that large-particle, porous and stable aggregates are artificially prefabricated, so that the physical and chemical stability of the biochar in the soil is greatly enhanced, and the decomposition and migration of the biochar are effectively inhibited. According to the method, long-term and efficient storage of atmospheric carbon dioxide is achieved, the granular structure and fertility of the sandy loam soil can be remarkably improved, and the method has the double benefits of soil carbon sequestration and water and fertilizer retention improvement.

There is provided a method for production of an impregnated biochar composition for use in agriculture, wherein the method comprises the following steps: a) providing biomass; b) treating the biomass at a temperature of ≥ 300 °C to form biochar; c) impregnating the formed biochar with pyroligneous acid so that an impregnated biochar composition is formed, wherein the composition comprises: - 10-60 wt% pyroligneous acid based on the dry content of the composition; and - 40-90 wt% biochar based on the dry content of the composition.

The application discloses a method for preparing activated carbon precursor by removing biomass ash through wood vinegar and hydrothermal carbonization. Biomass raw materials are subjected to hydrothermal carbonization in a wood vinegar liquid medium to obtain biomass-based activated carbon precursor. The application innovatively utilizes the effective organic acid components in the acidic wood vinegar and combines hydrothermal carbonization to avoid the use of strong acid and strong base and pollution caused in the washing process. The method is easy to realize industrial popularization and application and is environment-friendly without significantly increasing the process cost. In addition, the method fully utilizes the acidic liquid byproduct, wood vinegar, in the process of preparing biochar through biomass pyrolysis, and realizes high-value comprehensive utilization of the biomass pyrolysis product on the basis of preparing the biomass-based activated carbon precursor.

The invention relates to the technical field of soil improvement, and particularly discloses a soil nitrogen stable conditioner as well as a preparation method and application thereof, and the soil nitrogen stable conditioner is prepared from the following components in parts by weight: 30-50 parts of pyroligneous acidified biochar, 35-45 parts of organic fertilizer, 10-15 parts of humic acid, 1-5 parts of microelement fertilizer and 1-2 parts of sulfur powder. The wood vinegar acidified charcoal-based soil nitrogen stable conditioner provided by the invention achieves the function of improving the utilization efficiency of a nitrogen fertilizer by inhibiting the activity of soil urease and reducing the decomposition speed of the nitrogen fertilizer and the mineralization and nitration speed of soil nitrogen.

The invention discloses a preparation method of an environment-friendly acetate snow-melting agent based on model predictive regulation and control. According to the method, the performance of the snow-melting agent is precisely optimized through the quantitative synergistic effect, precise control over the cost is achieved, excessive addition of additives is avoided, a core theoretical tool is provided for scientific proportioning, dynamic regulation and control and compliance of the environment-friendly snow-melting agent, and the research and development efficiency and engineering applicability are remarkably improved. The snow-melting agent prepared by adopting the method disclosed by the invention meets the core requirements of environmental protection, safety and economy on the snow-melting agent in the DB11 / T 161-2024 standard in Beijing, and meanwhile, the pyrolytic product pyroligneous liquor of garden wastes is taken as one of the components for preparing the snow-melting agent, so that the cyclic utilization of resources is realized, the corrosion to roads can be effectively inhibited, the influence on plants can be reduced, and the snow-melting agent has the advantages of environmental protection, safety and economy. The environmental pollution degree is reduced, and the differentiated requirements of snow sweeping and ice shoveling in winter can be met.

This invention discloses a slow-release fertilizer suitable for lateritic soils in Hainan, comprising a fertilizer core and a coating layer; the fertilizer core comprises the following raw materials in parts by weight: 10-20 parts isobutylene diurea, 1-3 parts 3,4-dimethyl-1H-pyrazole dihydrogen phosphate, 1-3 parts dicyandiamide DCD, 20-30 parts humic acid, and 30-50 parts organic fertilizer; the coating layer comprises the following raw materials in parts by weight: 5-10 parts natural nanotube halloysite, 3-5 parts bentonite, 5-10 parts cyclodextrin, 1-3 parts polyglutamic acid, 1-3 parts wood vinegar, and 5-10 parts polyacrylamide. The isobutylene diurea, humic acid, and organic fertilizer of this invention can effectively replenish organic matter and nitrogen in iron-aluminate soil, maintain soil nitrogen levels, and effectively control the conversion of ammonium nitrogen to nitrate nitrogen in lateritic soil, thereby reducing nitrogen loss and achieving a stable supply of nitrogen. In addition, polyglutamic acid and polyacrylamide have strong water retention capacity, and the fertilizer core is coated with a coating layer to achieve slow release and water retention.

The invention belongs to the technical field of soil improvement, particularly relates to a compound microorganism saline-alkali soil conditioner as well as a preparation method and application thereof, and aims at solving the problems that the existing soil conditioner mostly adopts a single strain or a simple combination, is difficult to colonize in a harsh saline-alkali environment, has a single function, cannot systematically improve the physical and chemical properties of soil, is slow in organic material decomposition and is difficult to promote. In order to solve the problems that in the prior art, the soil conditioner is not durable in effect due to the fact that the soil conditioner is prone to failure due to saline-alkali stress, the following scheme is provided: the soil conditioner comprises the following raw materials in parts by weight: 5-10 parts of bacillus; by using bacillus, streptomyces, saccharomycetes, actinomycetes, nitrogen-fixing bacteria, phosphate bacteria, potassium bacteria, pyroligneous liquor, seaweed extract, amino acid chelate, potassium fulvate, citric acid and monopotassium phosphate, the content of organic matters in soil can be effectively increased, the aggregate structure of the soil is improved, a more lasting soil improvement effect is achieved, and the soil conditioner has a good application prospect. And the use frequency and cost of the modifier are reduced.

The invention discloses a tank type fermentation process capable of realizing collaborative emission reduction of NH3, N2O and CH4. The tank type fermentation process comprises the following steps: S1, pretreating raw materials; s2, material introduction; s3, supplementing materials; and S4, continuous fermentation. The process has the advantages of obvious environmental benefit, realization of collaborative emission reduction of greenhouse gas and odor, final reduction of the compost load, high resource utilization efficiency, realization of closed-loop circulation of water and fertilizer, reuse of nutrient-rich leachate as a nitrogen fixation carrier, realization of zero liquid discharge and nutrient in-situ recovery, increase of the total nutrient content of a compost product, and realization of environmental protection and environmental protection. The nitrogen loss is greatly reduced, and beneficial components such as zeolite and pyroligneous liquor are added, so that the content of organic matters and nutrients of the finished compost is high, the water and fertilizer retention capacity is high, essential elements for promoting plant growth are contained, and the commodity value is remarkably improved.

The invention discloses an operation technology for coupling garden waste recycling and waste incineration. The operation technology comprises the following steps that S1, garden waste is divided into high-quality garden waste and low-quality garden waste; s2, the high-quality garden waste enters a drying machine, a pyrolysis machine and a condenser, and pyrolytic carbon, pyroligneous liquor and non-condensable gas are generated; s3, after the low-quality garden waste is dried, granulation treatment is conducted through a granulator; s4, the household garbage and the non-condensable gas enter an incinerator to be incinerated, and high-temperature flue gas is generated; s5, the hot flue gas enters a second flue and a pyrolysis machine and then enters a third flue to be converged with the main flue gas; s6, the hot flue gas is conveyed to a drying machine through an induced draft fan to be dried; and S7, the flue gas obtained after heat exchange is sent to a suction inlet of an induced draft fan, mixed in the induced draft fan and then discharged to the atmosphere. The waste heat and the heat value of the pyrolysis gas are utilized, the generating capacity of the incineration system is effectively improved while the garden waste is recycled, and the construction cost and the operation cost of the garden waste recycling system can be reduced by utilizing hardware of the incinerator and the flue gas purification system.

The present application relates to the field of agricultural soil improvement and orchard fertilization technology, and discloses a kind of southern red soil area orchard annual green manure covering and carbon-increasing quality improving method, including that mature livestock and poultry manure is mixed with industrial grade calcium-magnesium phosphate fertilizer and applied to surface soil before green manure sowing;Sowing Indian cowpea in spring, mixed sowing Chinese milk vetch and field radish in autumn;Green manure of leguminous plants is mowed in situ when it is in full bloom to initial pod stage to make it flat;Uniformly spray directional wood-decay fungi complex liquid to the surface of green manure;Use pyroligneous acid to wet crushed dry crop straw, cover micro-acid straw on the surface of green manure;Mechanically subsoil in the following autumn, and inject PAM composite biomass charcoal suspension into the bottom of subsoiling groove simultaneously.The present application neutralizes and intercepts ammonia gas released by green manure to block nitrogen volatilization by using micro-acid straw, accelerates the degradation of macromolecular lignocellulose by using wood-decay fungi, and constructs deep stable carbon sink by combining with deep injection of porous carbon suspension, thereby effectively improving the overall carbon pool capacity of red soil profile.

The invention provides a saline-alkali soil composite modifier and application thereof in saline-alkali soil improvement, and the saline-alkali soil composite modifier is characterized by comprising pyroligneous modified biochar, pyroligneous, a functional microbial agent, polymaleic anhydride, humic acid and dodecyl dimethyl benzyl ammonium bromide, nano manganese dioxide particles are loaded on the surface and in pores of the wood vinegar modified charcoal. The saline-alkali soil composite modifier can solve the problems of high saline-alkali soil improvement cost, poor effect, easy repetition and the like, is simple in process, low in cost and remarkable in improvement effect, has good economic benefits, ecological benefits and social benefits, and is suitable for large-area popularization and application.

The application discloses corn-highland straw wood vinegar and a preparation method and application thereof, and belongs to the technical field of pesticide synergists, and the preparation method comprises the following steps: (1) corn straw and highland straw are mixed, crushed, dried, preheated and cracked, and then subjected to solid decomposition at a temperature of 300-600 DEG C to obtain a crude wood vinegar; (2) the crude wood vinegar is repeatedly stored by freezing and thawing for 6 months, then filtered and distilled, the light components are reserved, and the heavy components are removed; (3) the light components are extracted by butyl triphosphate and diethyl ether in sequence, then the extract is subjected to molecular distillation to evaporate the solvent, and the wood vinegar is obtained. The application further discloses the wood vinegar prepared by the preparation method and application of the wood vinegar in a pesticide synergist. The wood vinegar obtained by the application mainly plays a stomach poison, contact killing and avoidance role on the target, and can provide a further idea for developing a low-toxicity and environment-friendly plant source compound pesticide.

The invention relates to the technical field of charcoal preparation, in particular to charcoal dry distillation equipment, which comprises a dry distillation cellar body, a main flue, a gas-liquid separator, a combustible gas check valve, a combustible gas recovery pipe and a wood vinegar recovery pipe, a plurality of dry distillation tank bodies are arranged in the dry distillation cellar body, a cover body is arranged at the top of each dry distillation tank body, and a gas outlet is formed in the top of each dry distillation tank body. A water sealing groove is formed in the joint of the dry distillation tank body and the cover body, one end of the main flue is communicated with a gas inlet of the gas-liquid separator, the other end of the main flue penetrates through the cover body and is communicated with the interior of the dry distillation tank body, a gas outlet of the gas-liquid separator is communicated with a gas inlet of the combustible gas check valve through a first auxiliary flue, and a gas outlet of the combustible gas check valve is communicated with a gas outlet of the gas-liquid separator through a second auxiliary flue. A gas outlet of the combustible gas check valve is communicated with the combustible gas recovery pipe through a second auxiliary flue, the bottom of the gas-liquid separator and the bottom of the combustible gas check valve are both communicated with the wood vinegar recovery pipe through collecting pipes, and cooling devices are arranged outside the main flue, the gas-liquid separator and the combustible gas check valve.

This invention discloses an apparatus and method for preparing metallurgical coke based on the comprehensive utilization of biomass, relating to the technical field of biomass pyrolysis and its energy conversion equipment. The apparatus includes a biomass coke oven, a fluidized bed pyrolysis furnace, a volatilization flue, a cyclone separator, a first condensation separation unit, a second condensation separation unit, an acid washing tank, a drying furnace, a mixing granulator, and a quenching tower. The acid washing tank is used to mix reheated char and wood vinegar to obtain acid-washed biochar; the drying furnace is used to dry the acid-washed biochar; the mixing granulator is used to mix and granulate tar and the dried acid-washed biochar to obtain granular biochar; the volatilization flue is used to volatilize the granular biochar to obtain semi-coke; and the biochar coking chamber is used to coke the semi-coke to obtain bio-coke. This apparatus and method improve the production efficiency and energy utilization efficiency of metallurgical coke, effectively reducing the overall production cost of metallurgical coke.

The present invention relates to the technical field of organic fertilizers, and discloses an organic water-soluble fertilizer taking wood vinegar liquid as a raw material and a preparation method thereof. The organic water-soluble fertilizer is made from the following raw materials in parts by weight: 35 - 45 parts of purified wood vinegar liquid, 15 - 20 parts of potassium humate, 8 - 12 parts of compound amino acids, 5 - 8 parts of chelated medium and trace elements, 2 - 3 parts of synergist, 0.5 - 1 part of pH regulator, and 11 - 34.5 parts of deionized water. The purified wood vinegar liquid is obtained by subjecting the crude wood vinegar liquid of a biomass boiler to pretreatment, gradient distillation, and adsorption and impurity removal, wherein the acetic acid content is ≥12%, the tar content is ≤0.1%, the pH value is 3.5 - 4.0, and the density is 1.12 - 1.15 g / cm3; the compound amino acids are compounded from glycine, glutamic acid, and proline according to a mass ratio of 2:1:1, and the total amino acid content is ≥95%. The present invention not only solves the toxicity problem of direct application of wood vinegar liquid but also increases the concentration of effective components. At the same time, a small amount of phenolic substances retained during the distillation process and the chitosan oligosaccharide in the synergist act synergistically, increasing the control effect of the fertilizer on soil-borne diseases to more than 85%.

The invention discloses a preparation method of nano-selenium particles. The preparation method comprises the following steps: S1, preparing a wood vinegar fermentation extracting solution which is used for providing an acidic reaction environment for synthesis of the nano-selenium particles and is used as a stabilizer and a morphology regulating agent; and S2, compounding the prepared pyroligneous fermentation extracting solution with ascorbic acid, sodium selenite, sodium carboxymethyl cellulose and cysteine, and carrying out controllable synthesis of nano-selenium particles in a stable system with a multi-component synergistic effect. The invention further discloses application of the obtained nano-selenium particles in selenium nutrient supplements and preparation of foliar fertilizers for selenium-rich agricultural product production.

The utility model provides a biomass gasifier high temperature cracking tar device, including the furnace body, the furnace body includes the slag layer, fire layer and reduction layer from bottom to top in proper order, the slag layer is provided with the fire grate, the fire grate has air channel and retorting gas channel, air channel and retorting gas channel are both communicated to the slag layer of furnace body, and the reduction layer is provided with the reduction layer. Dry distillation gas generated on the upper portion of the furnace body is independently pumped into the furnace bottom through a pipeline by a booster fan and enters a dry distillation gas channel of the fire grate, air blown by an air blower enters an air channel of the fire grate, and the air and the dry distillation gas are mixed in a slag layer after being distributed through the fire grate. According to the device, steam is saved, the purpose of zero emission of tar and phenol water (wood vinegar) is achieved, and the requirements of energy conservation and environmental protection can be met.

The invention relates to the technical field of organic fertilizers, and discloses an organic water-soluble fertilizer with wood vinegar as a raw material and a preparation method thereof.The organic water-soluble fertilizer is prepared from, by weight, 35-45 parts of purified wood vinegar, 15-20 parts of potassium humate, 8-12 parts of compound amino acid, 5-8 parts of chelated medium trace elements, 2-3 parts of a synergist, 0.5-1 part of a pH regulator and 11-34.5 parts of deionized water. The purified pyroligneous liquor is prepared from biomass boiler crude pyroligneous liquor through pretreatment, gradient distillation and adsorption impurity removal, the acetic acid content is larger than or equal to 12%, the tar content is smaller than or equal to 0.1%, the pH value is 3.5-4.0, and the density is 1.12-1.15 g / cm < 3 >; the compound amino acid is formed by compounding glycine, glutamic acid and proline according to the mass ratio of 2: 1: 1, and the total content of the amino acid is larger than or equal to 95%. According to the invention, the toxicity problem caused by direct application of the pyroligneous liquor is solved, and the concentration of effective components is improved; meanwhile, a small amount of phenolic substances reserved in the distillation process and chitosan oligosaccharide in the synergist have a synergistic effect, so that the control effect of the fertilizer on soil-borne diseases is improved to 85% or above.

The invention discloses a preparation method of a water-soluble fertilizer containing pyroligneous liquor. The preparation method comprises the following steps: S1, pretreatment: carrying out distillation, adsorption and filtration treatment on the pyroligneous liquor, and then aging; s2, raw material dissolution: firstly adding urea, monopotassium phosphate and potassium nitrate into soft water in a reaction kettle to be fully dissolved to form a solution A; sequentially inoculating magnesium sulfate, EDTA-Fe and EDTA-Zn into the solution A, and continuously stirring to obtain a basic water-soluble fertilizer solution; s3, adding wood vinegar, namely slowly adding the wood vinegar subjected to aging treatment into the basic water-soluble fertilizer solution, adding boric acid and citric acid, heating, keeping constant temperature, stirring while adding, ensuring that the wood vinegar is uniformly dispersed and is prevented from precipitation, and finally obtaining a solution B; and S5, pH adjustment: adjusting the pH value of the solution B to 5.5-7.0 according to needs. Compared with the prior art, the soil conditioner has the advantages that reproduction of beneficial microorganisms in soil can be promoted, the granular structure of the soil is improved, soil hardening is relieved, and soil nutrients are activated, so that the soil fertility is improved.

The invention discloses a treatment method for comprehensive treatment of garden waste, which comprises the following steps: S1, dividing the garden waste into high-quality garden waste and low-quality garden waste through sorting and pretreatment equipment; s2, the high-quality garden waste sequentially enters a drying machine, a pyrolysis machine, a gas-solid separation chamber, a spraying bridge pipe and a combustion chamber to be treated, and pyrolytic carbon, wood vinegar and non-condensable gas are generated; and S3, outlet hot flue gas of the combustion chamber, outlet flue gas passing through the pyrolysis machine and the drying machine and air are conveyed into an air mixer at the same time, mixed flue gas is formed after sufficient mixing, and the mixed flue gas serves as a heat source for drying the low-quality garden waste for drying. While the high-calorific-value garden waste is treated, the low-calorific-value garden waste is treated in a coupling mode, and a large number of economic products with high additional value can be produced. And meanwhile, generated products such as pyrolytic carbon, pyroligneous liquor and non-condensable gas are combined with drying utilization of the low-quality garden waste, and the resource utilization efficiency of the garden waste can be integrally improved.

The invention discloses a system and method for preparing a carbon-based humus material and a microbial fermentation culture medium through biomass co-processing, a biomass graded pyrolysis system is used for carrying out graded pyrolysis on agriculture and forestry biomass 1 to obtain pyrolysis oil gas 1, pyrolysis oil gas 2 and biochar, and the pyrolysis oil gas 1 is subjected to gas-liquid separation to obtain non-condensable gas and wood vinegar; the steam explosion system is used for carrying out biomass steam explosion pretreatment on agriculture and forestry biomass 2 and pyroligneous liquor, and acidolysis liquid and pretreated biological residues are obtained after solid-liquid separation; the anaerobic fermentation system is used for performing anaerobic fermentation on the pretreated biological residues and livestock and poultry manure biomass to obtain biogas, biogas slurry and biogas residues; the carbon-based humus preparation system is used for performing aerobic fermentation and humus on biogas residues and biochar to obtain a carbon-based humus material; and the microbial fermentation culture medium detoxification system is used for performing mixed detoxification treatment on the acidolysis solution and the biogas slurry to obtain the microbial fermentation culture medium. Co-treatment and resource utilization of the livestock and poultry manure and the agricultural and forestry biomass are realized.

This invention provides an application of a novel composite material in reducing nitrogen loss during composting. The method includes: a pile-building stage, in which a porous stabilizer is added to the mixed raw materials, and fermentation is carried out by bottom aeration and airflow membrane covering after pile building; a high-temperature control stage, in which biomass carriers pretreated with sodium humate, fulvic acid, and wood vinegar are injected into the pile in a grid pattern after the pile temperature reaches 50°C; and a post-maturation and bio-enhancing stage, in which biochar loaded with iron oxide is added, and a solid inoculant containing Acetobacter xylinum and fructose amino acid oxidase is applied to the surface of the pile, and the pile is turned lightly at regular intervals. This invention constructs a nitrogen preservation system that combines physical barrier control, chemical fixation, and biological assimilation through the sequential synergy of multiple materials such as porous stabilizers, functionalized biomass carriers, biochar, and inoculants, which can significantly reduce nitrogen loss during composting and improve compost quality.

The utility model relates to the technical field of kilns, in particular to special pyroligneous liquor treatment equipment for kilns, which comprises a barrel, a circular laminate is fixed inside the barrel through bolts, an L-shaped liquor outlet pipe is sleeved inside the circular laminate in a penetrating manner, and the top end of the L-shaped liquor outlet pipe is connected with a funnel through a threaded groove. A cooling assembly is arranged in the top of the funnel in the barrel; the cooling assembly comprises a circular protective cover fixed in the cylinder through bolts, a circular block is arranged in the circular protective cover, a coiled pipe is embedded in the circular block, and a stainless steel conical cover is fixed to the bottom of the circular protective cover through bolts. Cooling water flows in the coiled pipe and cools the stainless steel conical cover through the circular block and the conical inner core, so that the stainless steel conical cover is in a low-temperature state, and smoke is rapidly cooled and liquefied when making contact with the low-temperature stainless steel conical cover.

The invention discloses an organic wastewater biochemical treatment device which comprises a biochemical treatment tank, a biogas cavity is formed in the upper end of the biochemical treatment tank, a partition plate is arranged between the biogas cavity and the biochemical treatment tank, an exhaust pipe, an ascending pipe and a descending pipe are arranged on the partition plate, and a biogas collecting pipe is arranged at the upper end of the biogas cavity; the water distribution chamber comprises a conical supporting plate arranged at the bottom of the biochemical treatment tank, a fluidized bed is arranged above the supporting plate, a first-stage three-phase separator is arranged above the fluidized bed, a second-stage three-phase separator is arranged above the first-stage three-phase separator, and the second-stage three-phase separator and the first-stage three-phase separator form a deep purification reaction area; a primary purification reaction area is formed between the first-stage three-phase separator and the supporting plate, and a drainage pipe is arranged on the biochemical treatment tank above the second-stage three-phase separator. The organic wastewater biochemical treatment device designed by the invention is high in impact load resistance, excellent in mass transfer effect and good in pyroligneous liquor biochemical treatment effect in the pyroligneous liquor treatment process, and stable operation of the device can be realized.

The invention discloses a soil conditioner based on straw biochar and a preparation process of the soil conditioner. The fertilizer is prepared from the following raw materials in parts by weight: 10 to 20 parts of corn straw, 35 to 45 parts of ammoniated straw, 6 to 12 parts of alkaline silicon fertilizer, 48 to 52 parts of modified coke, 0.02 to 0.04 part of fermentation strain, 3 to 5 parts of humic acid, 10 to 20 parts of composite organic waste residue, 0.6 to 0.8 part of urea, 5 to 10 parts of functional compound, 2 to 4 parts of calcium chloride, 3 to 6 parts of diammonium phosphate and 5 to 10 parts of wood vinegar. The invention relates to the technical field of agricultural soil improvement. According to the soil conditioner based on straw biochar and the preparation process thereof, agricultural waste corn straw is used as a main raw material, resource recycling is achieved, the production cost is reduced, the preparation process is simple, a conventional pyrolysis technology is adopted, process parameters are easy to control, and the soil conditioner is suitable for large-scale production; meanwhile, the soil conditioner has multiple effects of improving the soil structure, improving the soil fertility and reducing the soil acidity / salinity and alkalinity, shows a good improvement effect on various soil types and crops, and is high in environmental protection benefit.

The invention relates to a biostimulant-based foliar adhesion type agricultural input synergistic additive as well as a preparation method and application thereof, and the synergistic additive comprises the following components in percentage by mass: 1%-2% of a stress-resistant inducer, 43%-58% of wood vinegar, 0.5%-3% of a film-forming agent, 0.1%-1% of a wetting dispersant, 0.9%-4% of a photolysis-resistant additive, 0%-5% of a regulating additive and the balance of water. According to the synergistic additive provided by the invention, through the synergistic effect of all functional additives, the adhesiveness and wetting spreadability of agricultural input products on the surfaces of leaves are improved, off-target loss of the input products is reduced, and the utilization rate of pesticides or fertilizers is increased; by enhancing the interface stability and leaf retention of the liquid medicine / fertilizer liquid, the utilization rate of active ingredients in the pesticide or the fertilizer is remarkably increased, the application amount of the pesticide and the chemical fertilizer can be effectively reduced while the prevention and control effect or the fertilization effect is guaranteed, and reduction and efficient application of the pesticide and the chemical fertilizer are achieved.

The application discloses a kind of blueberry special biological organic fertilizer and preparation method thereof, belong to biological organic fertilizer technical field.The biological organic fertilizer of the application is prepared from grass carbon soil, synergist, pyroligneous liquid, furfural residue, corn straw, phosphoric acid, modifier, microbial inoculant, ferrous sulfate, pine needle, pig manure, EM bacteria liquid.The application is composed of two parts of blueberry special biological organic fertilizer granules and solution.Blueberry special biological organic fertilizer solution is synergized by sodium lignosulfonate and potassium humate in a mass ratio of 1:1 to improve the acidic soil environment around the roots;Activated biochar in blueberry special biological organic fertilizer granules is modified by tea polyphenol and sodium alpha-alkyl sulfonate in a mass ratio of 1:1 to graft strong acidic phosphate functional groups, while the water retention capacity is increased, and various substances such as microbial inoculant, fermented organic nutrients, grass carbon soil and ferrous ion work together to improve blueberry planting soil.

The utility model discloses charcoal dry distillation equipment, which relates to the technical field of charcoal dry distillation and comprises a kiln body, a dry distillation tank, a condensation tank, a collection bag, a pump body and a burner. The kiln body has a combustion chamber and a heating chamber. The dry distillation tank is at least partially located in the heating cavity. The dry distillation tank is used for containing wood. The condensation tank is connected with the dry distillation tank through a flow guide pipe I so as to receive the wood gas and the wood vinegar and cool the wood gas and the wood vinegar. The collecting bag is connected with a gas outlet of the condensation tank through a flow guide pipe II so as to collect wood gas. The pump body is connected with the collecting bag through the third flow guide pipe so as to suck wood gas. And the burner is connected with the pump body through a flow guide pipe IV to obtain wood gas as fuel. The burner is provided with a flaming end which is used for extending into the combustion chamber. Compared with the prior art, the charcoal destructive distillation equipment provided by the utility model can improve the operation convenience and the energy-saving effect.