90results about How to "Effective eradication" patented technology

The invention relates to three compound stabilizer reagents which can effectively protect various water pipelines, water containers and the relevant equipment of the water conveyance system from biodeterioration or scaling and the treatment method and the utilization of the biodeterioration. Particularly, by utilizing the three compound stabilizer reagents acting on the water conveyance system in different period respectively, the addition dosage and the time can change according to different water quality, different microorganism pollution degree and different water treatment demand, wherein each compound stabilizer reagent main component has different sterilization mechanisms and the emphases of the reagent is also different, so that serious corrosion caused by the drug resistance of the bacteria can be solved and the sulfate reducing bacteria, the saprophyte, the iron bacteria, the nitrite bacteria, the ammonium bacteria and algae in the water conveyance system can be completely killed. The compound stabilizer reagents is suitable for the control of pipeline scaling and the pipe wall biodeterioration of the oil field water injection system, the circulating water system and the central air-conditioning cooling water system.

The invention provides an intermittent high-rise building external wall automatic fire extinguishing system. The intermittent high-rise building external wall automatic fire extinguishing system comprises a plurality of fire detection devices, a control device, a plurality of fire extinguishing devices and a water supply device. The fire detection devices are distributed on the external wall of a building to form a fire detection network for detecting a fire situation at the outer wall of the intermittent high-rise building and transmitting the obtained information to the control device; the control device is used for acquiring a fire locus position of the intermittent high-rise building external wall according to the fire information of the fire detection devices and automatically controlling the water storage operation of the water supply device and the fire extinguishing operation of the fire extinguishing devices according to the preset procedure; the fire extinguishing devices located on the external wall of the building; each fire extinguishing device comprises a water curtain firefighting spray nozzle and a rain firefighting spray nozzle connected with a firefighting pipe in a controlling mode; the water supply device is connected with each fire extinguishing device through the fire pipe in a controlling mode to supply the water to the fire extinguishing device; the opening and closing of the firefighting pipe are controlled through the control device. According to the intermittent high-rise building external wall automatic fire extinguishing system, the role of effective fire retardance, cooling, isolation and fire fighting is achieved under the situation that the external wall of the building is on fire caused by the fire of some areas of the high-rise building or the external wall of the building is directly on fire, the spread of fire is avoided and the losses are reduced.

This invention discloses an algicide, it is composed of (by mass percentages): SiO2 65-85%, Al2(SO4)3 and Fe2(SO4)3 being 20-25% respectively. This inventive algicide has double function of combination of chemical flocculation and physical absorption, it can remove blue-green algae and also impurities in water. It has advantages of: easy processing, easy to be used. Low cost, better effect for removing blue-green algae.

The invention discloses a non-toxic and environment-friendly water-based paint and a preparation method thereof, comprising the following components in parts by weight: 100-130 parts of water-soluble resin, 80-100 parts of filler, 1-5 parts of preservative, and film-forming aid 2 to 10 parts, 2 to 8 parts of dispersant, 20 to 60 parts of deionized water; the preparation method is as follows: S1: After stirring the water-soluble resin, preservative, dispersant and deionized water evenly, add filler, disperse at high speed, Obtain the mixture; S2: Add film-forming aids to the mixture, then perform high-speed dispersion, disperse evenly and sieve to obtain the finished product. The water-based paint provided by the invention can be firmly combined with the substrate, has high gloss, good leveling, stable paint performance, good durability, and high decorative performance. Deionized water is used as a dispersant, which is green, environmentally friendly and safe. low cost.

The invention belongs to the technical field of flue-cured tobacco cultivation, and particularly relates to a dry field flue-cured tobacco transplanting method. The transplanting method comprises the steps of soil preparation, hole digging, film covering, transplanting, water pouring, film uncovering and earthing up, and fertilization. According to the dry field flue-cured tobacco transplanting method provided by the invention, after hole digging and film covering, rainfall can be effectively collected in a precipitation process, and rainwater flows into holes along hole walls, and penetrates underground through reserved holes, so that the soil aquosity is increased, thus being beneficial to soil moisture conservation and transplanting; the application of bran with drugs can effectively prevent underground pests from biting roots and stems of tobacco seedlings, so that the survival rate of the tobacco seedlings is improved; and a ridging step is omitted before transplanting, and 1 field laborer can be reduced per mu of tobacco field, so that the labor cost is saved.

The invention discloses a road ice and snow clearing device for municipal engineering. The road ice and snow clearing device comprises a vehicle. A telescopic hydraulic cylinder is fixedly mounted on the top of the vehicle, and the bottom of a telescopic shaft of the telescopic hydraulic cylinder is fixed to the upper side surface of a slide bar; a storage barrel is fixedly mounted on a fixing frame and is filled with snow clearing agents, and the lower portion of the storage barrel is of a conical structure; a piston head is fixedly mounted at the bottom of a push-pull rod; a first return spring is arranged between the slide bar and the fixing frame, the upper end of the first return spring is fixed to the lower side surface of the slide bar, and the lower end of the first return spring is fixed onto the fixing frame; an extension rod is provided with a swing rod, the middle of the swing rod is hinged onto the extension rod, a second return spring is arranged between the extension rod and the swing rod, the upper end of the second return spring is fixed to the left side surface of the swing rod, the lower end of the second return spring is fixed onto the upper side surface of the extension rod, a crushing pressing piece is hinged to the lower end of the swing rod, and a plurality of crushing nails are uniformly arranged at the bottom of the crushing pressing piece. The road ice and snow clearing device has the advantages that the road ice and snow clearing device is smart in structure and reasonable in design, and excellent effects of clearing ice and snow which are attached onto roads can be realized by the road ice and snow clearing device.

The invention discloses a mask based on ultraviolet and photocatalyst sterilization. The mask comprises a mask body, the mask body is sequentially provided with a plastic shell layer, an outer filtercotton layer, an inner filter cotton layer and an ergonomic support layer from outside to inside. The inner filter cotton layer is provided with a ventilation channel; a metal adsorption net and an ultraviolet light source are sequentially arranged in the ventilation channel from outside to inside; the inner filter cotton layer is provided with a photocatalyst film layer; photocatalyst particles are attached to the photocatalyst film layer through a spraying process, a transparent cover is arranged at the bottom end, right opposite to the photocatalyst film layer, of the inner filter cotton layer, a white light LED light source is arranged in the transparent cover, a battery is arranged at the bottom end of the plastic shell, and the ultraviolet light source and the white light LED light source are electrically connected with the battery. The mask based on ultraviolet and photocatalyst sterilization can filter pathogens such as bacteria and viruses in time, is used for guaranteeing cleanness and sanitation of breathing and playing a role in sterilization and deodorization, the ultraviolet light source effectively kills the pathogens, the sterilization effect is good, and meanwhilethe mask is comfortable to wear.

The invention discloses an environment-friendly biological deodorant and a preparation method thereof. The environment-friendly biological deodorant comprises a microbial inoculum, wherein the microbial inoculum comprises lactic acid bacteria, bacillus subtilis, actinomycetes, saccharomycetes, bifidobacterium bifidum and photosynthetic bacteria, wherein the effective viable bacteria ratio of the lactic acid bacteria, the bacillus subtilis, the actinomycetes, the saccharomycetes, the bifidobacterium bifidum and the photosynthetic bacteria is 10 to 10 to 5 to 5 to 10 to 10 to 5-8; the microbialinoculum is dissolved in a total culture medium. The strains of the environment-friendly biological deodorant include anaerobic and aerobic strains; the environment-friendly biological deodorant is wide in application range, natural, non-toxic and good in deodorant effect, and can effectively eliminate parasite eggs in garbage.

The present invention discloses a wall cutter device for indoor decoration. Hydraulic cylinders are fixed at outer walls of four corners of the lower surface of a pedestal through screws, supporting blocks are fixed at the top ends of hydraulic cylinder extension rods through screws, one side, close to the hydraulic cylinders, of the pedestal is fixed with universal wheels through screws, the outer wall of the top portion of the pedestal is provided with a first groove, the outer wall of the bottom portion of the first groove is fixed with a first slide rail through bolts, one side, close to the first groove, of the pedestal is fixed with a first baffle through screws, the other side, close to the first groove, of the pedestal is fixed with a second baffle through screws, and the outer side of one side of the first baffle is fixed with a first lifting electric push rod through bolts. The wall cutter device for indoor decoration is provided with a dust collector to reduce dust pollutionin the wall cutting process, is good in dust removal effect, can protect the clean working environment, can protect the operators' body health and can better adapt indoor decoration.

The invention relates to a cool absorptive sanitary product, which comprises an absorption core, a liquid-permeable top sheet and a liquid-impermeable bottom sheet, and is characterized in that: a layer of cool composition is formed between the absorption core and the top sheet; and the cool composition comprises a freshener, an adsorbent, a preservative and a bonding agent. The cool composition is sprayed between the absorption core and the top sheet, and the top sheet, the absorption core and the bottom sheet are bonded together. According to the absorptive sanitary product disclosed by the invention, a user does not feel hot and stuffy, and feels cool comfortable.

The invention discloses a medicinal composition for curing gynecopathy and application thereof. The medicinal composition is prepared from spreading hedyotis herb, glabrous greenbrier rhizome, shinyleaf pricklyash root, common burreed rhizome (fried with vinegar), gordon euryale seed (fried), red paeony root, Chinese angelica, lightyellow sophora root, golden cypress, root of red-rooted salvia, Mongolian dandelion herb, cinnamomvine and safflower in a certain ratio, and according to a pharmaceutic conventional method, the medicinal composition can be prepared into clinically acceptable oral decoctions, pills, powder, capsules, tablets, particles, drop pills, soft capsules and oral solution. The medicinal composition has the advantages of quite good effects of curing gynecopathy such as cervical erosion, gynecological inflammation and urinary tract infection, high safety of clinical use, high cure rate, base strengthening of Chinese medicaments, less negative effects, safe and effective treatment under the instruction of doctors, and contribution to population.

The invention discloses a snowshovel truck comprising a frame, wheels and a snow shoveling mechanism, wherein the snow shoveling mechanism comprises a snow shoveling housing, a snow shoveling roller,a snow feeding wheel, a first gear arranged on the snow shoveling roller, a second gear arranged on a rotary shaft, a driven gear fixed on an extended end of the rotary shaft protruding from an intermediate housing, and a driving gear installed on the axle, wherein the driving gear and the driven gear are meshed and driven. The utility model has the advantages of compact structure, convenient use,effective eradication of snow on the pavement, greatly reduction in labor intensity of shoveling snow by workers and improvement on the snow shoveling efficiency.

The invention relates to a method of producing a packaging container with low microbiological load by treating the packaging material with a combination of a chemical sterilization agent and UV-light. The invention is characterised in that a first partial quantity of the chemical sterilization agent is applied on the packaging material a sufficiently long time before the packaging material is irradiated with UV-light in order for a predetermined portion of expected microorganisms to have time to absorb a sufficient amount of the chemical sterilization agent in order to be exterminated on being irradiated with UV-light, and that a second partial quantity of the chemical sterilization agent is applied on the packaging material in a sterile chamber before the packaging material is irradiated with UV-light. The invention also relates to a device for realizing the method, and a filling machine provided with the device.

The invention discloses digging type weeding apparatus convenient for replacing a hoe. The digging type weeding apparatus comprises a supporting plate; the upper surface of the supporting plate is fixedly connected with the lower surface of a driving device through a first fixing rod; the right end of the driving device is in lap joint with the left side face of the outer wall of a U-shaped plate;the left side and the right side of the inner wall of the U-shaped plate are respectively and fixedly connected with first pulleys; opposite ends of the two first pulleys are in lap joint with the left side face and the right side face of a first movable rod; the right side face of the outer wall of the U-shaped plate is fixedly connected with the left end of a telescopic device; and the right end of the telescopic device is fixedly connected with the left side face of a fixed plate. According to the digging type weeding apparatus convenient for replacing a hoe, a threaded column, a first threaded cap, a second threaded cap, a third movable rod, a connecting rod and a fixed block act jointly, so that rapid disassembly and rapid fixation between the fixed block and the connecting rod are realized, a situation that a farmer disassembles the fixed block through a series of tedious operations is avoided, and therefore convenience is brought to the farmer for replacing the fixed block.

The invention provides a livestock feeding house for animal husbandry, and relates to the technical field of feeding houses. The livestock feeding house for the animal husbandry comprises a feeding house, wherein the interior of the feeding house is fixedly provided with a filtering device which comprises a filtering plate; the outer surface of the filtering plate is provided with filtering holes;the outer surface of the left side of the filtering plate is fixedly provided with a draft tube; the position close to the left side of the interior of the feeding house is movably provided with a water trough; the position close to the right side of the interior of the feeding house is movably provided with a feed trough; and the inner walls of the feeding house are provided with ventilation holes. The livestock feeding house for the animal husbandry provided by the invention has the following advantages: manure generated by livestock in the interior of the feeding house can be well and automatically cleaned; the manure and urine are separated and avoided from mixing together to contaminate the internal environment of the feeding house; hardened manure can be more effectively eradicatedthrough a jagged manure shovel; the feeding house is more convenient to be cleaned; cleanliness of the feeding house is guaranteed; and the living environment of the livestock is optimized.

The invention discloses a method for culturing soybean, substantially reducing pest and disease damages and improving yield and quality. The method comprises the following steps: (1) drying field and sterilizing; (2) applying fertilizer and preparing soil; (3) selecting seeds and processing; (4) sowing; (5) managing filed; (6) and harvesting at proper time. Through field drying and sterilization and fertilizer applying, pest and disease damages and soybean growth inhibitor caused by continuous cropping in a field are effectively removed, and morbidity of soybean in a growth period is greatly reduced, and through applying enough base fertilizer, rational close planting, and proper field management, yield and quality of soybeans are effectively improved, and planting benefits of soybeans are improved.

The invention discloses a prevention and control method for blue-green algae in marine shrimp culture water. The method comprises the following steps: (1) height of water in a culture pond is reduced to 2-3 meters, and 350-500 g / mu of a biological treatment agent is evenly scattered to water in the culture pond once every 15-20 days from the spring at the air temperature of 20-25 DEG C to the late autumn at the air temperature being lower than 15 DEG C; (2) 30%-35% of water in the culture pond is pumped out after the biological treatment agent is sprinkled for 15-20 hours, identical culture water is injected, then 8-10 g / mu of bdellovibrio bacteriovorus is added to water after 18-26 hours, and the number of viable bacteria reaches 150 billion / gram or more; (3) after 20-30 hours, 3-6 g / m<3> of sodium thiosulfate is scattered uniformly into water in the culture pond once every 20 days until scattering of the biological treatment agent is stopped. With the adoption of the method, the blue-green algae are effectively killed, a prevention and control effect is realized, the water quality is improved, the blue-green algae are prevented from excessive multiplication, and reproduction of other aquatic organisms is not influenced. The method is simple and convenient to operate, and the cost is low. The prevention and control effect is better particularly when the biological treatment agent is used cooperatively with the bdellovibrio bacteriovorus.

The invention relates to a method for eliminating alligator weeds in a pond and belongs to a pond weed eliminating technique in aquiculture. Glyphosate isopropylammonium solution, fluroxypyr solution and organic silicon solution are proportioned to obtain mixed solution. Through secondary dilution, the solution is sprayed through a sprayer. If the solution is sprayed once again at an interval of 15 days, the effect is better. When the solution is sprayed, the water level of the pond is required to be lowered to fully expose the alligator weeds, so as to reduce the amount of the solution which falls into the pond. The method for eliminating the alligator weeds in the pond has the advantages that the raw materials are easy to buy, the operation is simple, the stubborn weeds such as the alligator weeds are effectively eliminated, the surrounding environment and the water body are not polluted, and the method is safe to cultured fish and causes no side effect.

The invention belongs to the field of robots, and discloses a ground cleaning device for a cleaning robot. The ground cleaning device is technically characterized in that the ground cleaning device comprises a circular shell, a plurality of groups of vertical rotating rods which are annularly distributed are rotationally connected between the inner top wall and the inner bottom wall of the shell, the bottom ends of the rotating rods extend out of the bottom wall of the shell, and cylindrical cavities are formed in the rotating rods; multiple groups of vertical rectangular grooves which are uniformly distributed at equal intervals and located below the shell are formed in the side wall of the rotating rod on the outer side of the cavity, rotating shafts are rotatably mounted in the rectangular grooves, electric telescopic rods are fixedly mounted at the top in the cavity downwards, and lifting columns are fixedly mounted on output shafts of the electric telescopic rods; multiple sets of plastic brushes which are distributed at equal intervals, incline downwards, are fixedly connected with the rotating shaft and extend out of the rectangular groove are fixedly installed on the circumferential side wall of the lifting column, the multiple sets of rotating rods are jointly connected with a transmission part, a horizontal groove is formed in the bottom wall of the shell, and first rotating rods are rotationally connected to the front inner wall and the rear inner wall of the horizontal groove; and a shovel plate is fixedly mounted on the circumferential side wall of the first rotating rod.

The invention discloses a method for removing moss and algae in paddy fields, belonging to the technical field of agricultural crop control. The method is characterized by preparing a medical solution and sprinkling the medical solution in the paddy fields, wherein the prepared medical solution comprises copper sulfate, 35 % moss and algae remover, 50 % trichloroisocyanuric acid, dry sand, and water. According to the invention, the usage method is simple and convenient, by utilizing different medicinal mechanisms of copper sulfate, moss and algae remover, and trichloroisocyanuric acid on the moss and algae in the paddy fields, intractable moss and algae in the paddy fields are effectively eliminated, pollution to the paddy and environment is not caused, and the method is safe and has no side effect to aquaculture animal.

The invention discloses a solar lawn lamp. The solar lawn lamp comprises a solar photovoltaic plate, a support rod, a lamp box, a control box, a base plate, insertion cones, and a buried accumulator box; the bottom end of the solar photovoltaic plate is arranged in middle of the top end of the lamp box through the support rod; the control box is arranged in middle of the bottom end of the lamp box, and the middle of the bottom end of the lamp box is connected and arranged to middle of the top end of the base plate through the control box; two insertion cones are respectively arranged on two sides of the bottom end of the base plate; the control box is connected with the buried accumulator box through a lead; an accumulator set is arranged in the buried accumulator box; a controller, a storer and a wireless signal transceiver are arranged in the control box; the controller is connected with and controls the storer, the wireless signal transceiver, the solar photovoltaic plate and the accumulator set; and the solar photovoltaic plate is connected with the accumulator set. The solar lawn lamp adopts an LED illumination lamp to illuminate, is excellent in photochromism, long in service life and low in energy consumption, adopts the solar photovoltaic plate to collect solar energy to convert to electric energy for use, saves the energy, protects the environment, and is safe in use.

The invention discloses an optical fiber distribution frame which comprises a distribution frame shell, a snow shoveling and rain removing device and adjusting assemblies. The snow shoveling and rainremoving device is installed at the top of the distribution frame shell, a plurality of thermal dissipation openings are symmetrically formed in the two sides of the distribution frame shell, the number of the adjusting assemblies is two, the two adjusting assemblies are symmetrically installed on the inner walls of the two sides of the distribution frame shell. According to the invention, the snow shoveling and rain removing device is installed at the top of the distribution frame, when the distribution frame is in an outdoor environment, snow accumulated on the top of the distribution framecan be effectively shoveled through the snow shoveling and rain removing device, meanwhile, rainwater dropping on the top of the distribution frame can be effectively wiped and removed, and the distribution frame is effectively prevented from being damaged due to excessive snow accumulation and rainwater corrosion.

The invention discloses a traditional Chinese medicine weeding composition. Besides tripterygium glycosides and stemona, the traditional Chinese medicine weeding composition also comprises folium artemisiae argyi, atractylodes, nidus vespae, realgar, wild carrot fruit, musk and borneol. The traditional Chinese medicine weeding composition has the advantages that the weeding composition is made of Chinese herbal medicine, comprises all the ingredients scientific and reasonable in proportion, can effectively weed weeds in rice fields, is high in weeding efficiency, and simultaneously can not pollute soil or water sources, greatly protects environment, and facilitates sustainable development.

The invention discloses a formula of a pesticide and a method for controlling oides duporti by the same, and relates to the field of forest pest and disease control. The insecticide comprises 100 kg of talcum powder, 800-1200 ml of 10% deltamethrin missible oil and 0.8-1.2 kg of beauveria bassiana spore powder with viable spore volume 10 billion per gram. The pesticide for controlling oides duporti has the characteristics of good insecticidal effect, low cost, convenient operation and suitability for working in mountain areas.

The invention discloses a Chinese medicinal composition for external use and a preparation method and application thereof. The composition consists of amur corktree bark, herba agrimoniae, common cnidium fruit, climbing groundsel herb, dried alum and borneol according to certain proportion; and according to a pharmaceutical conventional method, the composition is prepared into clinical acceptable formulae for external use, such as suppositories, capsules for external use, gelata, ointments, vaginal tablets, vaginal effervescent tablets, vaginal pellicles, washing liquor, aerosols, forming agents and the like. The composition has a better therapeutic effect of treating gynecologic diseases, such as cervical erosion, gynecologic inflammations and urinary tract infection; the composition is prepared into an external preparation and is not orally taken to avoid a liver first-pass effect and a gastrointestinal tract physiological checkpoint effect and reduce adverse reactions; the external preparation can directly act on sick parts, has strong pertinence, can act on a whole body through skins or mucous membranes, can be absorbed quickly, has small interference on the internal environment of an organism, is a non-invasive treatment mode, is simple and convenient to operate, has high safety and high curative ratio in clinical application, is a Chinese medicament for enhancing the body resistance, has small side effects, can effectively and thoroughly eradicate causes of diseases, can be used for performing safe and effective treatments under the guidance of doctors, and is favorable for popularization.

The invention discloses a prevention and control method for blue-green algae in aquatic water. Prevention and control for blue-green algae can be realized through algae removal, detoxification to improve water, water exchange and complete water improvement. The method disclosed by the invention can effectively kill and remove the blue-green algae and also realize the protection and control functions; furthermore, the quality of the water is improved; the blue-green algae cannot be over-bred, so that outbreak of the blue-green algae can be avoided; moreover, the growth of aquatic organisms in the water cannot be affected during algae killing, prevention and control. The method disclosed by the invention is simple in design, convenient to operate, high in feasibility, low in cost, easy to popularize and suitable for large-area water.

The invention discloses a technology method used for producing poly aluminium chloride and calcium aluminate. The technology method comprises following steps: 1, ash stir frying is carried out, and metal aluminum is recycled so as to obtain secondary aluminum ash; 2, the secondary aluminum ash is subjected to deamination processing so as to obtain a deaminated aluminum ash slurry; 3, the deaminated aluminum ash slurry is subjected to defluorination processing so as to obtain a defluorinated aluminum ash slurry; 4, the defluorinated aluminum ash slurry is filtered so as to obtain a filtrate anda filtration residue, wherein the filtrate is a poly aluminium chloride solution; and 5, the filtration residue is washed until the pH value is 7, is uniformly mixed with a calcium based auxiliary material, drying and high temperature reaction are carried out, after reaction, cooling, crushing, and grinding processing are carried out so as to obtain calcium aluminate. According to the technologymethod used for producing poly aluminium chloride and calcium aluminate, secondary aluminum ash is subjected to complete harmless processing, so that high efficiency resource utilization of secondaryaluminum ash is realized, and the produced products possess better economical benefit.

The invention discloses a track type wind power insect-sucking machine which comprises a box. The upper surface of the box is connected with an axial flow fan, the upper portion of the axial flow fan is connected with a yarn net bag, the lower surface of the box is provided with an opening, two ends of the box are respectively connected with supports, the lower ends of the supports are connected with track wheels, and the track wheels are located on a track. Combination is carried out through the axial flow fan to enable wind speed of an air inlet of the insect-sucking machine to reach 3-5m, the winged insects within 50cm near the air inlet are sucked into the net bag, winged aphids, whitefly, flies and phalaenae and the like can be effectively killed, imagoes are killed, oviposition chance is greatly reduced, a proliferating chain of insects is cut off, and besides effects on crops in season, the track type wind power insect-sucking machine also has long-term effects. The track type wind power insect-sucking machine is used for plant deinsectization in agricultural facilities.

The invention discloses a method for remediating farmland soil through combined chemical activation and electric ionization of heavy metal substances. The method comprises the following steps: A, naturally oxidizing soil, and plowing farmland soil; B, directly pouring hydrogen peroxide into an aqueous soil solution, and discharging the aqueous hydrogen peroxide soil solution into a water storagetank for water purification treatment; C, directly pouring concentrated sulfuric acid into the hydrogen peroxide farmland soil solution; D, burying a positive electrode and a negative electrode in thesoil by using an aqueous sulfuric acid soil solution; E, after electrokinetic remediation, discharging an aqueous soil solution obtained after electrokinetic remediation into the water storage tank for treatment; F, injecting irrigation water into a paddy field, conducing soaking, and draining the aqueous soil solution; g, performing lime purification treatment on wastewater, adding lime, and further performing chemical purification through a reaction; and H, purifying the wastewater by using sodium hydroxide and sodium sulfide, adding sodium hydroxide into the residual wastewater for neutralizing, and adding sodium sulfide and conducting recycling. The method is safe, reliable and low in cost, and chemical reagents and instruments used for remediation are free of pollutants.

The invention relates to a cultivation method for preventing leaf spot disease of atractylodes macrocephala koidz. The cultivation method is characterized by comprising a step A of performing agricultural control: a step a of selecting a disease-resistant variety; a step b of reasonably selecting a site; a step c of performing ridging and cultivation; a step d of scientifically applying fertilizers; a step e of performing rational rotation; and a step B of performing chemical control: by organically combining the agricultural control and high-efficiency and low-toxicity low-residual chemical gent control, effectively controlling diseases of atractylodes macrocephala koidz and guaranteeing atractylodes macrocephala koidz medicine quality. The occurrence rate of leaf spot disease of atractylodes macrocephala koidz is controlled within 12%, a control effect can reach 89%, growth and rhizome weight increase of atractylodes macrocephala koidz can be promoted, the yield can be increased by 25.3% compared with the yield of a contrast phase, about 800 yuan can be increased each mu every year for atractylodes macrocephala koidz growers, and the method is favorable for long-term stable development and further expansion of the atractylodes macrocephala koidz industry.