270results about How to "Save medicine" patented technology

The invention discloses a garden whitewashing machine, comprising a coating device, a regulating device and an annular mounting bracket; wherein the coating device is arranged on the regulating device, the regulating device is arranged on the annular mounting bracket, the annular mounting bracket is composed of two semi-circle annular mounting brackets, and corresponding ends of the two semi-circle annular mounting brackets are hinged. The invention has simple operation, convenient use, uniform coating, high efficiency and low labour intensity, saves soup and has less influence on health of operator, thus being applicable to trees in different tree diameters and different soup spraying heights; the invention is easy to dismount and mount, also can be applied to coating on the surface of telegraph pole and other columnar objects, has good market prospect and is easy to popularize and use.

The invention discloses a normal-temperature preparation method for ultrafine coccidia powder. The method comprises the following steps of: selecting decoction pieces of sweet wormwood, hairyvein agrimony, tuber fleeceflower root, Chinese pulsatilla root and cinnamon according to parts by weight, drying and smashing to obtain coarse powder of which the granularity is 80 meshes; putting the obtained coarse powder into a rod mill for smashing, feeding into the special bilateral airflow sieving machine through wind for sieving with a 500-mesh sieve, sieving to obtain power of which the particle diameter is less than or equal to 25 micrometers, conveying the powder which is obtained by sieving into a cyclone aggregator through airflow generated by a draught fan for collecting to obtain finished ultrafine coccidia powder; and collecting powder which is not sieved with the 500-mesh sieve with a funnel, and conveying to the rod mill through a pipeline for smashing circularly once again. The method has the advantages that: the entire preparation process is performed at the normal temperature without low temperature or special additional conditions; the particle diameter of a prepared finished medicament is less than or equal to 25 micrometers, and the cell-wall breaking rate and the biological availability are greatly increased; and due to the adoption of the bilateral airflow sievingmachine, the preparation process of the ultrafine coccidia powder is simplified, and the aim of controlling the quality standard of Chinese medicinal powder is fulfilled.

The invention discloses a submicron powder bazheng powder normal temperature preparation method, which comprises choosing technical materials of akebiaquinata, dianthus superbus, polygonum aviculare, liquorice, fried jasmine, rheum officinale, juncos communis medicinal slices, soapstone and plantain seed raw materials in proportion; drying and smashing to obtain coarse powder; extracting plantainseed oil in the plantain seed coarse powder to be reserved; evenly mixing the rest of coarse powder and the plantain seed dregs in a rod mill to be smashed to be sent into a special bidirectional airflow sieving machine for 500 sieves to obtain powder materials with the grain diameter equal to or smaller than 25 micrometers; achieving bazheng powder submicron powder by collecting powder materialsconveyed to a cyclone material collector by air airflow generated by an air induced fan; collecting the powder material not sieved for 500 sieves to be conveyed into the rod mill through a pipeline to be smashed repeatedly; and evenly mixing the collected bazheng powder submicron powder and the plantain seed oil to obtain submicron powder bazheng powder end products. The submicron powder bazheng powder normal temperature preparation method has the advantages of performing the whole process at the normal temperature. The special bidirectional airflow sieving machine simplifies preparation process of the submicron powder bazheng powder.

The invention relates to an oil refining sewage treatment technology. Oil refining mixed sewage is sequentially treated by oil removal, air flotation, magnetic separation and biochemical treatment, and then is discharged. On the basis of the original oil refining mixed sewage treatment process flow, the invention adds the step of magnetic separation, which can lighten the load of a secondary bio-chemical treatment device, avoids shock to a biochemical system and greatly improves effluent quality in biochemical treatment. The technology of the invention has the advantages of good treatment effect, wide application range of water quality, stable operation, strong operability, simple flow, small investment, low operation cost, etc.

The invention provides a method for preparing adsorbable oxycellulose through a ramie oxidation degumming process. The method includes the steps that ramie original hemp serves as a raw material, the original hemp is smashed into short fibers through a smashing machine, and the short fibers are added with deionized water and soaked for pretreatment; a degumming solution is prepared from an oxidizing agent, a stabilizing agent, a fiber expanding agent, a penetrating agent, a chelating agent and water, the ramie original hemp and the degumming solution are mixed, gum in the ramie original hemp is fully removed by means of oxidizability of hyperoxide, and cellulose with active hydroxyl groups is oxidized into oxycellulose containing a great number of formyl groups; the oxycellulose is separated from water and dried to obtain the oxycellulose in the powder state. The method is simple in flow path, environmentally friendly, low in requirement for equipment and beneficial for large-scale production and has good economic and social benefits, the total reaction time is shortened, chemicals and cost are saved, efficiency is greatly improved, reaction conditions are moderate, and additional value of the cellulose is substantially increased.

A method and system based on image processing technique for the in-line real-time detection and evaluation to the flocculate generated after coagulating reaction in water treating procedure and the optimized control for adding coagulant is disclosed. An underwater photography is used to obtain the 2D image of flocculate by CCD. The 2D image is processed to obtain the characteristics and geometric parameters of flocculate. By use of the fuzzy sorting-analyzing method and flocculate speciment library, the flocculate is automatically classified and evaluated for optimizing the addition of coagulant.

The invention discloses a movable device and a movable method for leaching composite polluted soil. The device comprises a box body, and a multilevel screening leaching system, a fine particle stirring cleaning system, a coarse particle cyclone cleaning system and a large particle spiral cleaning system, which are arranged in the box body, wherein an inlet of the multilevel screening leaching system is provided with a pretreatment screening crushing device and a control device. By adopting the multilevel screening leaching system, the soil to be leached can be screened into soil particles in different particle sizes in a wet screening way, and pollutants in the soil in different particle sizes can be removed in a corresponding cleaning way. Since all systems are uniformly arranged in the box body, convenience in movement can be realized, the occupied floor area is small, and the device can be conveniently used for treating the polluted field in a small scale; the system screens the soil particles in different particle sizes, and the pollutants in the soil are respectively treated according to the distribution of the pollutants in different particle sizes, so that the treatment efficiency is improved, the treatment cost is reduced, and the adaptability to the composite polluted soil can be satisfied.

The invention relates to a preparation extraction process of a Maca extract. The method comprises the following steps: 1) conducting enzyme protein inactivation on Maca root by using ultrahigh pressure treatment; 2) conducting superfine grinding wall breaking treatment on the inactivated raw material; 3) conducting ultrasonic extraction on the wall-broken ultramicro powder obtained from the previous step with an ethanol surface active agent mixed leaching solution; 4) conducting frame filter and ultrafiltration membrane filtration on the extract collected in the previous step, and collecting filtrate with molecular weight greater than 5000 Da; 5) conducting ultralow temperature freeze drying treatment on the filtrate with molecular weight more than 5000Da collect in the previous step, so as to obtain the Maca extract. The invention adopts the ultrahigh pressure enzyme inactivation, superfine wall breaking and crushing, surfactant ultrasonic synergistic extraction, ultrafiltration condensation and ultralow temperature drying technology, so as to greatly improve the extraction process in the past. The method of the invention can obtain a concentrated powder of the effective components of Maca root.

A composition used for preparing Chinese medicine or health-care food to prevent and treat hyperlipemia, atherosclerosis and coronary heart disease contains ginseng or its extract, red koji or its extract, gingko leaf or its extract and green tea or its extract.

The invention discloses a Chinese medicinal preparation for nourishing liver and kidney, supplementing qi, engendering blood, promoting blood circulation, removing meridian obstruction and relieving pain, which is prepared into capsules from the following Chinese medicinal herbs in weight proportion: 10 to 20 parts of prepared fleece-flower root, 10 to 20 parts of prepared rehmannia root, 10 to 15 parts of Chinese angelica, 10 to 15 parts of donkey-hide glue, 10 to 20 parts of white peony root, 5 to 10 parts of ginseng, 10 to 20 parts of pilose asiabell root, 10 to 20 parts of heterophylly falsestarwort root, 10 to 20 parts of astragalus root, 10 to 20 parts of large-head atractylodes rhizome, 10 to 20 parts of Chinese yam, 10 to 15 parts of frankincense, 10 to 15 parts of myrrh, 10 to 15 parts of corydalis tuber, and 10 to 15 parts of trogopterus dung. The prepared fleece-flower root for nourishing blood, boosting essence, promoting muscle growth and strengthening bones and the Chinese angelica for activating blood and dissolving stasis serve as monarch medicines; the prepared rehmannia root is good for tonifying yin and boosting essence to engender blood; the donkey-hide glue is good for enriching the blood; the white peony root is good for soothing the muscles and relieving pain; the ginseng is good for tonifying primordial qi; the pilose asiabell root and the heterophylly falsestarwort root are good for invigorating qi and strengthening spleen; the astragalus root and the large-head atractylodes rhizome are good for tonifying qi and engendering blood; the Chinese yam is good for strengthening spleen and kidney and controlling nocturnal emission; the corydalis tuber is good for activating blood, promoting qi circulation and relieving pain; the trogopterus dung is good for activating blood and dissolving stasis; the frankincense is good for promoting blood circulation and relaxing muscles and tendons; and the myrrh is good for eliminating swelling and easing pain.

The present invention relates to a high-efficient breeding technique of Eurasian raisin grape. After the raisin grape has flowered for 30-50d, the young fruit of the grape is picked. The ovule is taken out in a sterilized state. The embryo is inoculated to an MS culture medium containing different levels of plant growth regulators of gibberellic acid (GA3), indoleacetic acid (IAA) and 6-benzylaminopurine (6-BA) for executing embryo rescue. The average embryo development rate using the breeding technique of the invention is increased from 8.3-11.9% of a patient disclosed in the background art to 84%. The germination rate obtains 75.33% and the seedling rate obtains 74.17%. Furthermore the embryo rescue technique of the raisin grape obtained through the technique of the invention has the advantages of increased seedling rate of offspring, easier obtainment of more filial generation, increased parent selection range of raisin grape cross breeding, accelerated breeding process of new species of the raisin grape and increased breeding efficiency of the raisin grape through increasing the embryo development rate and the germination rate of the raisin grape.

The invention provides a method for preparing bleeding stopping oxidized celluloses in ramie oxidation degumming procedures. The method includes smashing raw ramie to obtain short fibers and soaking the short fibers to sufficiently moisten the short fibers and allow the short fibers to sufficiently swell; mixing the pretreated raw ramie short fibers and degumming solution with one another to obtain mixtures, heating the mixtures, then preserving heat, sufficiently removing colloid in the raw ramie by the aid of oxidability of specific oxidizing agents and simultaneously oxidizing celluloses with active hydroxyl to obtain oxidized celluloses with a large quantity of carboxyl; soaking oxidized and treated fibers by the aid of organic solvent aqueous solution and removing the unreacted oxidizing agents; separating the oxidized celluloses from water and carrying out drying treatment on the oxidized celluloses to ultimately obtain the powdery bleeding stopping oxidized celluloses. The method has the advantages that processes are simple, the original two working procedures are combined into a single working procedure, accordingly, the total reaction time can be shortened, medicines and the cost can be saved, and the efficiency can be greatly improved; the bleeding stopping oxidized celluloses which are products prepared by the aid of the method are high in bleeding stopping speed and bleeding stopping efficiency and can be widely applied to quickly stopping bleeding under conditions of war wound, trauma and the like, and stable effects can be realized.

The present invention relates to the technical field of Luo Han Guo cultivation, in particular to a method for cultivating Luo Han Guo. The branches are collected and sterilized, and the stem apex meristem is cut out for subculture; the seedlings are selected and quickly dipped in IBA, and the lower 1 / 4 of the seedlings are inserted into the Between two pieces of filter paper, clamp the filter paper with two aluminum alloy bedding bars, and fix the aluminum alloy beading bar with a small clip, then hang the aluminum alloy beading bar on the two walls of the rooting incubator for rooting cultivation, and the rooting incubator contains a box volume of 1 / 4 or 1 / 2 MS culture solution; before transplanting, apply quicklime to the planting site, and then apply decomposed farmyard manure, place the seedlings in the planting nest and pour enough water for rooting, after 7 days, wet the fertilizer once a week, When the Luo Han Guo seedling grows more than 3 true leaves, remove the film covered on the Mirs, and apply organic compound fertilizer, the method of the present invention obtains transplanted seedlings, the stems are strong, the rooting rate is high, the quality is good, and the survival rate of field transplantation is high. High and adaptable.

The invention relates to a method for breaking traditional drug, wherein it comprises that: breaking drug normally to be screened at 20-100 deals; dispersing it into micro breaker, to be broken and obtain uniform micro powder. The inventive powder can be used in agent directly.

The invention relates to a regeneration method of the performance of an immersion-type ultrafiltration membrane used in reclaimed water recycling. According to the invention, aiming at pollution form and pollutant of immersion-type membrane in reclaimed water deep process, a membrane function regeneration method which is a combination of physical method and various chemical methods is determined. The method mainly comprises gas and water backwashing, scrubbing, and chemical washing methods with different periods and different times. Therefore, ultrafiltration membrane function is restoratively regenerated, and production water amount requirement is satisfied. The method can be implemented frequently and regularly, and greatly assists in productions. The regeneration effect is good, and the method is simple and feasible. The method is suitable to be popularized in water processing industries.

The invention discloses an automatic pesticide mixing device for a vehicle-mounted variable spraying machine. According to a set mixing concentration, quantitative clear water and quantitative pesticide concentrated liquid are drawn through a metering pump, the pesticide concentrated liquid and the clear water are sufficiently and uniformly mixed in a mixing tank and transferred into a buffer tank, and needed pesticide liquid is provided for the spraying machine. The liquid level in the buffer tank and the liquid level in the mixing tank are monitored through liquid level sensors in real time, a system determines whether the pesticide liquid needs to be transferred from the mixing tank or pesticide mixing needs to be conducted again according to the information, the buffer tank is supplemented with the pesticide liquid, and the pesticide liquid is provided for the spraying machine for use. The spraying machine conducts variable spraying including massive spraying, less spraying and zero spraying according to target characteristic information detected by a vehicle-mounted sensor, and the concentration of the mixed pesticide liquid is always constant in the process. Through the automatic pesticide mixing device, the concentration of the mixed pesticide liquid is controlled accurately and intelligently, the probability of contact between personnel and pesticides is reduced, pesticide waste is reduced, and development and popularization of the vehicle-mounted pesticide mixing device are accelerated.

The invention relates to a treatment method of arsenium-containing polluted acid wastewater generated by smelting flue gas, which comprises the following steps: pretreatment for sulfate removal; preneutralization; primary neutralization; secondary neutralization; tertiary neutralization; and circulating treatment. The pretreatment for sulfate removal, preneutralization and primary neutralization are sequentially operated to remove the sulfates and fluorine in the system in the precipitation form, wherein the removal rate is up to 95% or above, and the precipitate arsenium content is less than 0.1%. The secondary neutralization can enable more than 85% of the Cu, Fe, Pb, Zn and other metals to form a hydroxide precipitate, so that the high-content metals can be recycled. The tertiary neutralization can enable more than 95% of As to be enriched in the filter residue in the forms of calcium arsenate and calcium arsenite and to be recycled. The method can not generate unmanageable neutralization slag to form secondary pollution, and uses fewer reagents in the whole process; the calcium chloride only needs to be purchased at the time of starting; the operating process can be satisfied by circulation; and the method only consumes small amounts of lime and flocculant, is simple to operate, and has the advantages of low cost and favorable treatment effect.

The invention provides a method for preparing heavy metal ion adsorbents in ramie oxidization degumming procedures. The method includes smashing raw ramie to obtain short fibers, adding the short fibers into deionized water and soaking the short fibers; mixing the raw ramie and degumming solution with each other to obtain mixtures, heating the mixtures, sufficiently removing colloid in the raw ramie by the aid of oxidizing agents, and simultaneously oxidizing celluloses with active hydroxyl into oxidized celluloses with aldehyde; soaking reacted fibers in organic solvent aqueous solution and removing the unreacted oxidizing agents; separating the oxidized celluloses from water and drying the oxidized celluloses to obtain powdery oxidized cellulose adsorbents; preparing heavy metal solution, adding the oxidized cellulose absorbents into the heavy metal solution, carrying out vibration adsorption at the room temperature and measuring heavy metal ion absorption capacity numerical values. The method has the advantages that the adsorbents prepared by the aid of the method are low in residual gum content, moderate in crystallinity degree and polymerization degree and high in aldehyde content, and excellent heavy metal ion adsorption effects can be realized; working procedures are simplified, the total reaction time can be shortened, medicines and the cost can be saved, and the efficiency can be greatly improved.

The invention discloses a medicine for treating phthisis, which is prepared by the following traditional Chinese medicine raw materials in weight portion: herba ephedrae, almond, tambac, notoginseng, dragon's blood, balloon flower, bulbus fritillariae cirrhosae, bletilla striata, saffron, aweto, scurfpea fruit, rhizoma drynariae, root of straight ladybell, radix scutellariae, costus root, tuber pinellia, tuckahoe, oldenlandia diffusa, ordate houttuynia, honeysuckle, fresh hawthorn, endodermis of chicken gizzard and liquorice. The medicine for treating phthisis has the advantages of quick effect, drug ingredients conservation, good treating effect, high curative rate, uneasy relapse after cure and convenient preparation. The medicine has 94.5 percent of effective rate and 91 percent of curative rate.

The invention discloses a submicron powder Jinfang Baidu San normal temperature preparation method, which comprises the following steps that: herba schizonepetae, divaricate saposhnikovia root, notopterygium root, heracleum hemsleyanum michaux, radix bupleuri, peucedanum root, bitter orange, tuckahoe, balloon flower, rhizoma ligustici wallichii, liquorice and field mint are selected, dried and pulverized into coarse powder, the coarse powder is uniformly blended according to a proportion and is placed into a rod mill to be pulverized, the pulverized powder is blown into a special two-way airflow screen grader to pass through a 500-mesh sieve, the powder passing the sieve and having the granularity being less than or equal to 25 micrometers is conveyed into a cyclone collector to collect by airflow produced by a draught fan to obtain the submicron powder Jinfang Baidu San finished product; and powders which cannot pass through the 500-mesh sieve are collected by a funnel and are conveyed into the rod mill through a pipeline to be circularly pulverized. The submicron powder Jinfang Baidu San has advantages that: the entire preparation process is carried out under the normal temperature, no low temperature or other special additional conditions are required; the granularity of the prepared finished product medicine is less than or equal to 25 micrometers, so the cell wall breaking rate and the bioavailability are greatly improved; and the two-way airflow screen grader utilized in the method can simplify the preparation process of the submicron powder Jinfang Baidu San.

The invention discloses a seed coating machine with a dust removal device, which belongs to the technical field of seed coating equipment, and solves the problem that the impurities in the seeds are coated together without impurity removal before seed coating, and the seed coating solution is wasted , including the box, the box is provided with a first filter screen below the feed inlet, a blower is provided on the side wall of the box body, the first filter screen is arranged in an inclined manner, and the end close to the blower is the low end of the first filter screen, The high end of the first filter screen is 8-10cm lower than the blower, the high end of the first filter screen is provided with a flat plate connected to the box, the first conveying device and the mixing bucket are arranged under the first filter screen, and the inside of the mixing tank is provided with Spiral feeder, with multiple spray heads on the lower part of the mixing barrel; an air storage tank and a medicine box under the first conveying device, and a second conveying device and a heating device under the stirring barrel; the side of the box connected to the flat plate A negative pressure device is arranged on the wall, and the negative pressure device includes a negative pressure cover and a negative pressure tube arranged on the negative pressure cover.

The invention relates to a membrane technology-based ionic rare earth ore extraction technology and a device therefor. The membrane technology-based ionic rare earth ore extraction technology comprises the following steps of removing impurities in a rare earth ore percolation liquid, carrying out solid-liquid separation by a ceramic membrane to remove suspended solids in the rare earth ore percolation liquid, carrying out nanofiltration on the ceramic membrane clear liquid for further enrichment concentration, treating the ceramic membrane concentrated solution by a plate-and-frame filter press, removing dreg, when the rare earth ore percolate has the content of 60-70g / L after nanofiltration concentration, feeding the rare earth ore percolate into an extraction unit, carrying out extraction separation of a single rare earth element, and directly feeding the nanofiltration clear liquid rich in an extraction agent back to a percolation unit. Through the membrane separation and integration technology, the rare earth ore percolate is subjected to purification, separation, and concentration enrichment so that rare earth ions in the percolate are purified and concentrated and the next extraction process is convenient, and the rare earth ore percolation liquid subjected to separation from rare earth has a low rare earth ion concentration and a high extraction agent concentration and can be directly used for the percolation process. The membrane technology-based ionic rare earth ore extraction technology greatly improves a rare earth ion recovery rate, reduces a percolation waste water discharge amount and has obvious environmental and economic benefits.

The invention discloses a cooperative rearing technology for young silkworms. The technology comprises the following steps: (1) preparing a mulberry field; (2) preparing a silkworm nursery and silkworm instruments; (3) performing sterilization; (4) gathering newly hatched silkworms; (5) setting a leaf application standard for silkworms of all ages; (6) setting temperature and humidity standards; (7) performing treatment during molt. The cooperative rearing technology for the young silkworms has the advantages that sterilization, disease prevention and baby silkworm nursing are facilitated; the silkworms are strong and can grow well; high and stable yields are achieved.

The invention relates to a treatment method for inducing maize parthenogenesis with colchicine. The method is characterized in that when female ear filaments are completely exposed, a paper bag is removed; the upper-portion of a flower bud is cut transversely from a female ear flower bud at a place from the top and close to the female ear young ear downward; a part of filaments is cut at the section with a curved graver, such that a cavity with a depth of 5-15mm is formed; an inducing agent which is colchicine treatment liquid is injected into the cavity with a pipette or a syringe, such that the cavity is filled with the liquid and the entire cut surface is wetted by the liquid; and the female ear is sleeved with the paper bag. During the treatment process, no pollen contamination prevention measure such as sealing, blocking, spatial and temporal isolation, and the like is needed. The method has the following advantages: harm to human health caused by treatment liquid dropping, spilling and scratching are avoided; a hard-to-solve pollen contamination problem is thoroughly solved; all filaments can contact the treatment liquid, and treatment liquid retention time is long, such that an induction rate is improved; the treatment liquid is saved by approximately 50%; and compared to a conventional inbred line breeding method, a breeding period is shortened by more than 5 generations.

The invention discloses a practical and convenient domestic kitchen sewage treatment method, which comprises a box body, the top of the box body is sequentially arranged with a sewage tank and a medicine box from left to right, and a filter screen is fixedly installed inside the sewage tank, The left wall of the sewage bin communicates with the top of the crushing bin set on the left side of the box body through the residue pipeline, and a first motor is fixedly installed on the bottom of the box inner cavity and below the crushing bin. The present invention relates to sewage treatment equipment technology field. This practical and convenient domestic kitchen sewage treatment device is equipped with a filter in the lower right corner of the sewage tank, and a filter membrane is installed in the filter, which can filter oil and fine impurities. By installing an overflow valve on the clean water pipe, it can control disinfection. When the water volume in the disinfection chamber reaches a certain water level, the water pressure will automatically open the overflow valve, which prevents the sewage from flowing into the water purification chamber without going through the disinfection and deodorization process, and can ensure the quality of the water in the water purification chamber.

The invention provides a pretreatment process for producing bamboo fibers with bamboos. The process comprises the following steps: (1) breaking the original bamboos into bamboo chips with maximum diameter being 2-3cm; (2) soaking the bamboo chips obtained in the step (1); and (3) fibrillating the bamboo chips fished out in the step (2) into fine fibers with a devillicate machine, wherein the weight ratio of the water for soaking to the bamboo chips is (4-6):1; NaOH and bio-enzyme are mixed in the water for soaking; the addition of NaOH is 1-4% of the weight of the water for soaking and the addition of the bio-enzyme is 30-70g per ton of bamboos; the bio-enzyme is the mixture of laccase and xylanase in a weight ratio of (90-70):(10-30); the temperature of the water for soaking is 60-80 DEG C; and the soaking time is 4-8 hours. The pretreatment process has the following beneficial effects: the bio-enzyme participates in the reaction while the broken bamboo chips are subjected to hydrolysis treatment, thus effectively overcoming the alkali darkening reaction, reducing the use amount of oxidants in the late bleaching process by more than 40% and shortening the reaction time by more than 30%.

The invention discloses a treatment process for heavy metal wastewater. The process includes the steps of: collecting wastewater by a collection pool, introducing wastewater in the collection pool into an oil separation pool to conduct oil removal, then making the wastewater enter a comprehensive regulation pool, adding a small amount of air and conducting stirring to obtain uniform water quality, bringing the effluent water from the comprehensive regulation pool into a pH regulation pool I, adding liquid alkali to regulate the pH value to 8.0-10.0, letting the effluent water from the pH regulation pool I enter a tubular ultrafiltration membrane system by a concentration groove to undergo a filtration treatment, leading the effluent water from the tubular ultrafiltration membrane system to a pH regulation pool II and adding an acid to perform neutralization, making the neutralized effluent water enter an RO membrane system, carrying out filtration treatment by an RO membrane so as to obtain recyclable effluent water. The tubular ultrafiltration membrane adopted in the invention employs a Duraflow tubular ultrafiltration membrane (DF membrane), and makes use of pressure and speed to achieve solid-liquid separation with no need of a flocculation pool and a reaction pool, so that the land area and the reagent are saved. As the DF membrane has a pore size of less than 0.03 micrometer and a special decontamination ability, clear water can be output after sewage enters the membrane tube, metals, TSS and COD can be removed by as single step, and the effluent water passing the DF membrane can be directly enter the RO membrane system.

The invention discloses a method for efficiently sorting scheelite containing weakly magnetic impurities. The method comprises the following steps of: crushing crude ore of scheelite, performing a process of stage grinding, high-frequency screening and high-gradient magnetic separation, fully dissociating minerals before a conventional flotation process, and removing the weakly magnetic impurities in advance, wherein the grade of wolframine in the scheelite during flotation is improved; and performing an original multi-stage flotation to obtain high-grade wolframine concentrate, so that high-quality powdered iron can be produced, and tailings are removed through magnetic separation and scavenging only in the selection process. The method has the advantages of obviously performing pre-concentration and in-advance tailing removal on the scheelite containing weakly magnetic impurities and effectively and stably stabilizing the quality of the flotation ore; and meanwhile, the method also has the advantages of reducing risk brought by fluctuation of the mineral quality, improving the mineral separation efficiency, improving the flotation operation efficiency, saving lots of agents and flotation management cost, improving the comprehensive utilization rate of wolframine resources and the like.

The invention discloses a seed coating machine with a filter device, which belongs to the technical field of seed coating equipment, and solves the problem that the impurities in the seeds are coated together without removing impurities before seed coating, and the seed coating liquid is wasted , including a box body, the box body is provided with a filter screen under the feed port, and a blower is arranged on the side wall of the box body above the filter screen, and the blowing direction of the blower is the same as the transmission direction of the first conveying device. A first conveying device is arranged below the filter screen, and a stirring bucket is arranged at the output end of the first conveying device. The inside of the stirring bucket is provided with a spiral feed channel, and a motor that drives the spiral feed channel to rotate is arranged above the mixing bucket. A plurality of spray heads are arranged at the lower part of the barrel; an air storage tank and a medicine box are arranged under the first conveying device, and the outlet of the medicine box is connected with the spray head through a second pipeline; a second conveying device is arranged under the mixing bucket, so the A heating device is arranged below the second conveying device.