152 results about "Lime sulfur" patented technology

The invention discloses a restoration agent for lowering cadmium/lead effective state content in soil, which is composed of quicklime, calcium sulfate, wood charcoal, iron chloride and water, wherein the weight ratio of the quicklime, calcium sulfate, wood charcoal and iron chloride is (1-2):(1-2):(1-2):(0.5-1), and the water accounts for 30-45 wt% of the soil. The restoration agent can be used for treating heavily polluted soil; and common chemical passivators can only restore lightly polluted soil, and do not have obvious effect on heavy pollution. The restoration agent can be used for treating both acidic soil and neutral soil. The restoration agent has high remediation efficiency for cadmium polluted soil; the reaction mechanisms relate to chemical precipitation and physical adsorption; and when one action fails due to change of the outside conditions, the other action can perform the guarantee function. The restoration agent has certain control actions on the lead effective state content in the polluted soil.

The invention discloses a technology of enhanced-dispersion partial selective and bulk flotation of lead and zinc sulfide ores under low and high alkalinity. During grading of the lead and zinc sulfide ores, sodium hexametahposphate is taken as a dispersion agent and directly added into a ball mill, the ores are ground till the ores with the size of 0.074mm account for 67%-70%, lime is taken as an adjusting agent, zinc sulfate and sodium sulfite are taken as inhibitors, dithiophosphate BA and diethyldithiocarbamate are taken as collectors, and selective flotation of part of lead minerals with good floatability can be performed under low alkalinity; then xanthate and the diethyldithiocarbamate are taken as collectors, and the flotation of the lead minerals is further performed under high alkalinity; copper sulfate is added in lead flotation tailings for activation, butyl xanthate is further taken as the collector for flotation of zinc blende and part of pyrite, and zinc-sulfur separation flotation is further performed on zinc-sulfur mixed concentrate; and sulfuric acid is added in zinc flotation tailings for activation, and the xanthate is taken as the collector for flotation of the remaining pyrite. By adopting the technology, the lead-silver recovery rate can be improved, the using amount of lime and sulfuric acid can be reduced, the circulating amount of middlings can be reduced, the ore dressing cost can be reduced and the grade of the concentrate can be improved.

The invention discloses a lead-zinc floating recycling method from gold ore cyanation tailings, which comprises the following steps: (1) predisposing: adding water in the cyanation tailings; stirring to form ore paste; adding active carbon, Y0 agent, FeSO4+ammonium persulphate in the ore paste; (2) asynchronous mixing-selecting: sending the predisposed ore paste to the floater group I to proceed first roughing separation; adding Y0 agent, limestone, butyl airpotato yam to float galena; sending the tailings in the first roughing separation to floater group II; adding Y0 agent, limestone, cupric sulfate, butyl airpotato yam to float zincblende; (3) recycling and purifying tailing water: adding chlorinated lime in the tailing water to decompose CN- less than 0.5 mg per L; recycling the tailing water.

The invention discloses a solidification treatment method for sludge of urban sewage plants. The method comprises the following steps of (1) adding curing agent consisting of lime, sulfate aluminum cement, portland cement and fly ash in dehydrated sludge based on the weight of the dehydrated sludge, wherein the weight percentage of lime, sulfate aluminum cement, portland cement and fly ash in the curing agent are as follows: 1.2-1.9% of lime, 3.0-6.1% of sulfate aluminum cement, 3.0-3.7% of portland cement and 4.7-6.0% of fly ash; and (2) mixing the sludge added with the curing agent to form precursors of solidified blocks, piling the precursors up according to a height of 7 cm, and covering with waterproof membrane, maintaining the precursors for three days with a dry maintaining method, and forming sludge solidified blocks. The method provided by the invention has the advantages of efficiency, low cost, simple operation and the like.

The invention relates to medium soil produced prepared from active sludge building waste residue and a production method of the medium soil. The production method of the medium soil is characterized by comprising the following steps of: uniformly mixing active sludge, quick lime, ferrous sulfate and magnesium sulfate, carrying out deodorization, sterilization and chelation, drying and crushing; then, carrying out dynamic type high-temperature aerobic fermentation on the crushed mixture, forestry three-residue waste residue, peanut shells and an organic material decomposition agent; drying, grinding and screening the fermented mixed clinker to prepare mixed powder; uniformly mixing the mixed powder with raw materials including building waste residue soil, calcium hydrophosphate, ammonium nitrate, potassium sulphate, amino acid, a root growth promoting agent, potassium polyacrylate and soil improvement agent by utilizing a stirrer and drying, then, packaging into an active sludge building waste residue medium soil product by adopting a full-automatic electronic metering machine. The product has the advantages and effects of containing nitrogen, phosphor, potassium and various trace elements as well as various nutrients of organic acid for meeting the growth needs of plants, having no pollution, low cost and good benefits, and protecting the environment, and saving the land.

The invention discloses an energy-saving optimizing technology for microwave roasting and non-cyanogen gold leaching of sulfur-bearing gold mineral, which includes the following steps: 1) feeding water to blend gold concentrate or gold ores into ore pulp; 2) spraying the newly-pressurized the ore pulp into the reaction chamber of a microwave roasting furnace to form spray, and simultaneously spraying lime powder to carry out microwave radiation roasting in the reaction chamber; 3) discharging the calcine from the microwave roasting furnace, feeding Fe2(SO4) 3 and FeSO4 into the calcine, and feeding water for fine grinding; and 4) feeding Na2SO3, copper sulfate and ammonia water into the fine ground ore pulp, and carrying out first-stage LSSS leaching; adding lime sulfur into the washed leaching residue after the first-stage LSSS leaching for second-stage LSSS leaching; and recovering the pyrrhotite from the leaching residue through the magnetic separation method after the second-stage LSSS leaching. By adopting the technical scheme, the leaching rate of the gold in the sulfur-bearing gold mineral or the gold concentrate can be improved to more than 97%.

A preventive method for kiwifruit canker includes system approaches of breaking down invasion ways of germs, avoiding proper temperature for the germs, managing water, fertilizer and soil, managing plants, managing sterilization, managing freeze protection and the like. The preventive method has the advantages that lime sulfur basic solution can be applied to wounds of the kiwifruit plants to break down the invasion ways of the germs; as the germs only attack at the temperature range of from 5 DEG C to 29 DEG C, avoiding the proper temperature for the germs to manage pruning can avoid canker;managing water, fertilizer and soil can improve growth environment for the plants and improve germ resistance of the plants; managing the plants can also improve disease resistance of the plants; managing sterilization can kill the germs; managing freeze protection can also avoid germ invasion due to plant injury; and using the series of system approaches can effectively avoid kiwifruit canker.

The invention relates to a method for comprehensive prevention and control of plant diseases and insect pests in northern pear gardens. When flower buds of pear trees are just revealed, pesticide is applied for the first time, and the used pesticide is 5-degree lime sulfur. When 90% of flowers of the pear trees fall, the pesticide is applied for the second time, and the used pesticide is 20% acetamiprid powder or 48% chlorpyrifos emulsifiable concentrate. Before young pear fruits are bagged, the pesticide is applied for the third time, and the used pesticide is 5000 times of 10% imidacloprid or 4000 times of 1.8% abamectin emulsifiable concentrate and 1000 times of 70% thiophanate methyl wettable powder or 400-600 times of 70% atomized mancozeb wettable powder. The appropriate pesticide application time and appropriate pesticide are selected according to the plant diseases and insect pests at the stages, and only three-time pesticide application is needed. In addition, natural glass growing and corrugated paper binding on tree trunks in the gardens and the method for the comprehensive prevention and control of the plant diseases and insect pests are combined, the ecological environment is protected, natural enemies of the pear gardens are protected and utilized, and safe pear production is achieved.

The invention discloses a pear pest and disease prevention and control method. The pear pest and disease prevention and control method is characterized by comprising the steps that cultivation management is strengthened, an applied organic fertilizer is increased to improve the disease-resistant ability of tree bodies, intertillage and weed removal are performed in time, accumulated water in an orchard is discharged, the temperature is reduced, the ventilating and light-transmitting capacities are enhanced, a phosphorus potassium fertilizer accounting for no less than 60% of the total fertilizer percentage is applied, and tree trunk whitening is suitable for implementation after leaf falling but before freezing up, wherein the whitened positions are mainly tree trunks; overwintering microbial sources are wiped out, the orchard is thoroughly swept before disease occurrence to remove fallen leaves and fruits in the orchard, the fallen leaves and fruits are destroyed in a centralized mode, and 4 Beaume degrees of lime sulfur is sprayed to eradicate the overwintering microbial sources; after blossom fall of pear trees, one-time foliar spraying is performed every 5-10 days, spraying continues for 3-5 times, and 600-800 times of liquid of 50% Tuzet wettable powder is sprayed for one time before fruit bagging, wherein a foliar spraying agent is prepared by mixing 15% triadimefon and 50% carbendazim according to the ratio of 3:1 and then using 1000-1500 times of water to perform dilution.

The invention relates to a method for protecting trunks of poplar saplings, which belongs to the technical field of protection of wood saplings. The method comprises the following steps of: I, preparing PE (Polyethylene) pipes, wherein the PE pipes are 2-3 millimeters in thickness, 5-6 centimeters in diameter and 45-55 centimeters in length, and single sides of the PE pipes are broken along the axial direction; and II, afforesting, trimming trunks and branch piles on poplar saplings on the ground and below 60 centimeters away from the ground, wherein the trunk surfaces of the trimmed poplar saplings are smooth. The method has high prevention and control efficiency and is low in cost, and 30 percent of cost is saved in comparison to the conventional prevention and control measure; good prevention and control effects are achieved, materials can be used circularly, and the gnawing prevention rate can be up to 100 percent in prevention and control processes; and moreover, the occurrence of pests and diseases is reduced, the cost on coating of a lime sulfur mixture onto trunks every year under the conventional prevention and control conditions for preventing and controlling pests and diseases can be lowered, and the prevention and control cost is saved.

The invention discloses a high-survival-rate tea-oil tree cultivation method which comprises the following steps of cuttage, cuttage management, field selection, scientific land preparation, transplantation towards land, land management and harvesting. According to the high-survival-rate tea-oil tree cultivation method, the survival rate and growth speed of cuttage seedlings are greatly improved by improving a cuttage seedling cuttage method, strengthening disinfection and rooting treatment process, improving a culture medium and comprehensively managing cuttage environment maintenance, the problems of low survival rate and low growth speed of the cuttage seedlings in high-temperature and dry climate are effectively solved, and cuttage operation can be performed in all seasons. During land preparation, lime and a lime sulfur are put to play disease and pest preventing effects, a scientifically prepared organic fertilizer is added during transplantation towards land and is subjected to disinfection treatment, the growth speed of tea-oil trees is greatly improved, diseases and pests can be also decreased, and the yield is increased.

The invention discloses a method for cultivating camellia oleifera. The method for cultivating the camellia oleifera comprises the following steps of seed treatment, germination accelerating, greenhouse seedling, field selection, scientific field preparation, transplantation in field, field management and harvesting. The method for cultivating the camellia oleifera adopts a biological organic fertilizer having rich organic matters and high fertilizer efficiency, has the advantages of increasing soil organic matters, improving soil structure, promoting soil microbial activities, enhancing soilfertilizer maintaining and fertilizer supplying, and obviously increases crop yields and improves the quality of agricultural products. During the field preparation, limes and lime sulfur mixtures areinput to achieve the effect of preventing disease and pests. During the transplantation in field, the organic fertilizer with a scientific formula is added and the organic fertilizer is disinfected,so that not only the growth speed of the camellia oleifera is greatly increased, but also the disease and pests are reduced to improve the yield. The use of a Chinese herbal medicine for repelling pests and avoiding the use of pesticides is not only good for controlling pests and diseases, but also safe to natural enemies, and has practical application values, so that the production of the camellia oleifera strives forward to goals of high quality, high yield, safety and health.

The invention relates to a forest activity controlled-release coating agent. The forest activity controlled-release coating agent is prepared from the following components in parts by weight: 5-15 parts of a polymer film-forming agent, 5-15 parts of water-soluble controlled-release resin, 5-10 parts of an emulsifying agent, 1-3 parts of a dispersing agent, 1-2 parts of a coloring indicator, 4-15 parts of an inert carrier and 40-79 parts of water; the above raw materials are mixed and ground to form suspension liquid having certain viscosity, which is the activity controlled-release coating agent. The invention also relates to application of the forest activity controlled-release coating agent to pest control; the forest activity controlled-release coating agent is mixed with an insecticide, a bactericide and the like, the mixture directly coats tree trunks to form long-acting controlled-release protective chemicals. The forest activity controlled-release coating agent has strong adhesiveness, has falling-off resistance, is breathable and permeable and has high stability, effective ingredients can be added in a targeted manner, and the defects that the traditional lime sulfur has short storage period, can lose efficiency easily, can cause diseases easily, and cannot be mixed with other pesticides are overcome; and besides, the operation is simple and easy, the labor intensity is low, the labor and time are saved, and the forest activity controlled-release coating agent can be applied and popularized conveniently.

The invention relates to a method for preventing grape diseases, which comprises the following steps of: a) after grape defoliation and before early spring sprouting, spraying lime sulfur with a baume degree at 5-6 for 2 times; b) during the growth period from July to October, spraying a Bordeaux mixture (diluted for 200 times) for one time per 15-20 days, and totally spraying for 6-8 times; and c) after blooming for 10, 40 and 70 days, spraying Vitacat (diluted for 10000 times) for 3 times. According to the method provided by the invention, the lime sulfur, the Bordeaux mixture and the Vitacat are adopted during different growing periods of the grape; the technical effect is obvious; the method is simple and labor-saving, is low in cost, can effectively prevent downy mildew and powdery mildew of the grape, and plays a significant role in ensuring the production of green, organic and high-class grape.

The invention discloses a method for preparing a plant medicament for preventing and controlling wheat scab disease. The plant medicament comprises 5,000 grams of pine needle, 2,000 grams of tobacco leaf, 3,000 grams of nux vomica, 8,000 grams of tea dregs, 3,000 grams of thunder god vine powder and 5,000 grams of lime sulfur mixture. The method comprises the following steps: crushing the pine needle, tobacco leaf, nux vomica, tea dregs and thunder god vine powder according to the proportion and putting the crushed mixture into a large iron pan, adding 100 kilograms of warm water into the iron pan and soaking the mixture for 5 minutes, then decocting the mixture by intense fire for 30 minutes, stopping the fire, filtering the decoction, and mixing and stirring the decoction and the lime sulfur mixture for 10 minutes intensively to form a finished product.

The invention discloses a method for microwave roasting and non-cyanogen gold leaching of sulfur-bearing gold mineral, which includes the following steps: 1) blending gold concentrate or gold ores into ore pulp; 2) spraying the newly-pressurized the ore pulp into the reaction chamber of a microwave roasting furnace to form spray, and simultaneously carrying out microwave radiation roasting in the reaction chamber; 3) discharging the calcine from the microwave roasting furnace, feeding lime powder, Fe2(SO4)3 and FeSO4 into the calcine, for fine grinding, and heating the fine ground ore pulp; and 4) feeding Na2SO3, ammonia water and copper sulfate into the heated ore pulp, and carrying out first-stage LSSS leaching; adding lime sulfur into the washed leaching residue after the first-stage LSSS leaching for second-stage LSSS leaching; and recovering the pyrrhotite from the leaching residue through the magnetic separation method after the second-stage LSSS leaching. The elemental sulfur produced through anaerobic roasting is compounded into lime sulfur for non-cyanogen gold leaching, therefore the production efficiency and the gold leaching rate are effectively improved.

The invention discloses a plant bactericide and a preparation method thereof and relates to the field of pesticides. The plant bactericide comprises the following components in parts by weight: 2-6 parts of asarum sieboldii, 3-7 parts of turmeric, 5-7 parts of radix sophorae flavescentis, 2-4 parts of liquorice, 1-5 parts of aconite, 0.5-2 parts of sulfur, 3.5-5 parts of rosin, 5-10 parts of calcium oxide, 2-5.5 parts of chlorothalonil, 5-10 parts of Dasheng, 1-5 parts of penncozeb, 7-10 parts of antracol, 10-12 parts of lime sulfur, 4-10 parts of iprodione, 3-6 parts of Guangkuling, 6-9 parts of agricultural streptozotion, 2-5 parts of Qingkuling, 4-8 parts of Xinjunan and the balance of water or tar. By adopting the technical scheme, the production efficiency is high, the steps are simple, the cost is low, the technical scheme is easy to implement, the raw materials are easily available, and the crop sterilization is enhanced while the crop growth can be protected and pesticide resistance is not generated easily.

The invention discloses a drug for preventing and treating gummosis. The drug contains the following ingredients in parts by weight: 10-15 parts of 50% alkaloid-gardenoside, 8-12 parts of 70% Baume-degree lime-sulfur mixture, 10-15 parts of 70% mancozeb wettable powder, 4-8 parts of icariin, 4-8 parts of hypericin, 6-10 parts of forsythin, 4-8 parts of bupleurum roots and 6-10 parts of artemisia annua. The drug is simple in proportion and convenient in use, and the treatment effect on peach tree gummosis is good; shown by testing, the solution of a volume which is 400-600 times that of a mixture has an obvious inactivation effect on botryosphaeria and peach physalospora (belonging to ascomycotina) and has a good bactericidal effect.

A bactericide for the melon and fruit crops is proportionally prepared from calcium lime, copper sulfate and plant ash through proportionally dissolving the broken calcium lime in cold water and the copper surface in cold water, mixing, adding plant ash, and stirring. It can be used to treat the anthracnose, powdery mildew, black spot and leaf spot of cucumber, watermelon, grapevine, fruit tree, tomato, etc.

The invention discloses a zinc and magnesium-containing whitening agent for preventing and treating plant tree trunk diseases and pests and a preparation method thereof, and the inc and magnesium-containing whitening agent for preventing and treating the plant tree trunk diseases and pests comprises the following raw materials in parts by weight: 50-300 parts of calcium oxide powder, 300-600 partsof heavy calcium carbonate, 10-20 parts of magnesium sulfate, 10-20 parts of a a zinc-containing inorganic bactericide, 1-15 parts of a film-forming agent, 5-25 parts of redispersible latex powder and 10-20 parts of a dispersing agent, and the problems that a whitening layer is easy to fall off in the long-term use process of the traditional whitening agent, salt in the whitening agent is easy torinse by rainwater to flow into soil so as to accelerate the salinization of the soil, and organic pesticides and a lime sulfur mixturehave potential environmental pollution hidden dangers can be expected to be solved.

The invention discloses a tea tree cutting cultivation method which comprises the steps of cutting orchard selection, cutting orchard management, cutting orchard fertilizer application, mother cutting retaining and cultivation, pruned mother plant management, cutting cultivation and cutting collection. A 4-10 years of Linyun Baimao tea garden making plants grow healthily and strongly and making varieties pure serves as a cutting orchard, deep pruning is performed in the female parent orchard by using lime sulfur in November after orchard clearing in winter, deep grooves are formed for re-fertilization, light pruning is performed in the first ten-day period and the middle ten-day period of June, then topdressing is conducted on the female parent orchard, new shoot growth is promoted by using gibberellin, a leaf fertilizer rich in amino acid and a monopotassium phosphate leaf fertilizer are alternatively sprayed and applied in one month before cutting maturity, and finally rooting powder is sprayed and applied in 2-3 days before cutting shearing to obtain cuttings. By adopting the tea tree cutting cultivation method, the quality and yield of Linyun Baimao tea mother cuttings are improved, the shortcoming that the survival rate of a conventional Linyun Baimao tea cuttage method is not lower than 10% is overcome, and the survival rate of the cuttings after cuttage is improved to about 60%.

The invention relates to the technical field of camellia oleifera planting, and discloses tree branch pruning equipment for camellia oleifera planting. The tree branch pruning equipment comprises a pruning grab handle and a shearing pull handle, a shearing knife is fixedly mounted at an end opening of the shearing pull handle, and a notch medicament applying mechanism is arranged at one side of the shearing knife; the shearing knife is assembled to smear a medicament to notches of the branches through the notch medicament applying mechanism; a broken branch clamping mechanism is arranged at the other side of the shearing knife, and the shearing knife is assembled to clamp the cut branches to a shearing seat fixedly installed at an end opening of the pruning grab handle through the broken branch clamping mechanism; and the shearing base is of a U-shaped double-supporting-frame structure. According to the tree branch pruning equipment for camellia oleifera planting, during pruning, the cut branches can be clamped through a clamping plate at one side of the shearing knife, lime sulfur is smeared to wounds of camellia oleifera trees through a medicament applying roller, and the cut branches can be synchronously clamped while the lime sulfur is smeared to the notches, so that the cut branches can be conveniently collected.

The invention discloses a method for planting zanthoxylum armatum, wherein the method includes the steps: step 1, clearing a garden: scraping rotten bark of branches and a trunk in winter cleanly, smearing wounds with a tree coating film, and spraying a lime-sulfur mixture in the whole garden for disinfecting and sterilizing; step 2, planting comprising fertilizer and water management, pruning andcontrol of diseases and insect pests; and step 3, harvesting: cutting the whole fruit mother branch short to form broken branches, collecting all the broken branches and sun-curing; and threshing after drying in the sun. Compared with the prior art, the method is convenient to manage, makes plant nutrients fully absorbed and balanced lighting, prolongs the high-yield period, improves the qualityand reduces the management cost. The high-yield period can reach 20-25 years, the yield is 4-5 times higher than that of traditional planting, the disease resistance is strong, the growth speed is fast, and the drought resistance and cold resistance are strong.