103results about How to "Accurate dose" patented technology

The invention discloses an accurate dosing control system for water treatment, relates to the technical field of dosing control, and is used for solving the problem of poor dosing control accuracy in the water treatment process. Comprising a data acquisition module, a condition library construction module, a multi-target processing module and an optimization decision module. According to the method, a sensor is arranged in a water body to collect pollutant parameters, data are preprocessed, the types and the concentrations of pollutants are recognized through a support vector machine model, after recognition, an optimal processing parameter combination is called from a removal condition library, the condition library is dynamically updated by using an Apriori algorithm, and when multiple pollutants coexist, the optimal processing parameter combination is called from the removal condition library. Removal conditions are automatically adjusted according to interaction rules among pollutants, collaborative removal is realized, an optimal decision is solved by constructing a multi-objective optimization model with removal efficiency, medicament cost, processing time and environmental adaptability as targets and combining a genetic algorithm and a particle swarm optimization algorithm, intelligent dosing control is realized, and the system is suitable for large-scale popularization and application. And the accuracy and efficiency of water treatment are improved.

The invention provides a tap water treatment coagulating basin dosing stirring monitoring device which comprises a stirring motor and a stirring shaft, a mounting platform is erected on a coagulating basin, the stirring motor is mounted on the mounting platform, the stirring motor and the stirring shaft are in transmission connection through a coupler, and the tap water treatment coagulating basin dosing stirring monitoring device further comprises a dosing device and a sensor assembly. The chemical adding device comprises a chemical box, a chemical adding pump, a chemical conveying pipe and a rotary chemical conveying device, a plurality of chemical adding openings are formed along the stirring shaft, the chemical adding pump conveys chemicals in the chemical box to each chemical adding opening through the rotary chemical conveying device and the chemical conveying pipe, and the chemicals are put into the coagulating basin through the chemical adding openings. The dosing, stirring and monitoring device for the tap water treatment coagulating basin provided by the invention adopts an integrated design, integrates stirring and dosing to realize a compact structure and function fusion, can obtain key parameters of a water body in the coagulating basin in real time through the sensor assembly, realizes accurate and automatic adjustment of the stirring speed and the dosing amount based on monitoring data, and improves the working efficiency. The stability and the reliability of the coagulation effect are ensured.

The invention discloses a precise acid regulating system suitable for continuous flow sewage treatment, which comprises a water distribution regulating tank for receiving continuous flow sewage, an acid adding unit for adding acid into the water distribution regulating tank and a control unit, and is characterized in that firstly, the acid is added into the water distribution regulating tank in a quantitative adding manner through the acid adding unit to carry out pH coarse regulation; the control unit calculates the fine adjustment amount of the pH according to the pH target value and the actual value after the rough adjustment of the pH by adopting a chemical dosage-pH-PID algorithm and controls the acid adding unit to add acid into the water distribution adjusting tank for the fine adjustment of the pH; through combination of coarse adjustment and fine adjustment, accurate addition of the acid liquor can be realized, the problems of excessive addition and hysteresis of the acid liquor are avoided, the dosage-pH-PID algorithm is adopted to control the addition flow of sulfuric acid, the actual pH value fluctuation is smaller, the problems of large fluctuation and hysteresis of PLC automatic acid control are solved, and a water quality guarantee is provided for stable operation of a subsequent process section.

The utility model relates to an automatic medicament adding device for a heat supply system, which comprises a controller, a pH (Potential of Hydrogen) online monitoring sensor, a medicament adding tank and a medicament mixing tank, and a first electric ball valve and a third electric ball valve are arranged on a pipeline between the medicament adding tank and the medicament mixing tank; a secondary water supply pipeline is connected between the first electric ball valve and the third electric ball valve through a water inlet pipe, a second electric ball valve is installed on the water inlet pipe, the medicine mixing tank is connected to a secondary water return pipeline through a medicine outlet pipe, and a fourth electric ball valve is installed on the medicine outlet pipe. A stirring impeller is mounted in the mixing medicine tank and is connected to a motor through an impeller connecting rod; the ph online monitoring sensor is installed on a secondary water supply pipeline, and the controller is electrically connected with the ph online monitoring sensor, the first electric ball valve, the third electric ball valve, the second electric ball valve, the fourth electric ball valve and the motor. The water treatment effect is improved, and the equipment investment and the operation and maintenance cost are reduced.

The invention relates to a compound preparation for improving the physique of weak stiff livestock. Every 100 ml of the compound preparation mainly comprises the following components according to a ratio: 0.1 to 0.3 g of vitamin E, 1 to 3 g of lactobacillus, 1 to 2 g of bile acid, 1 to 3 g of xylanase, 0.2 to 0.4 g of vitamin B1, 0.2 to 0.4 g of vitamin B2, 0.2 to 0.4 g of vitamin B6, 0.2 to 0.4 g of vitamin B12, 1 to 3 g of nicotinamide, 0.5 to 1.0 g of butafosfan, 1 to 3 g of taurine, 1 to 3 g of lysine, 0.5 to 1.0 g of levamisole hydrochloride, 5 g of soybean oil, 50 g of gelatin liquid, 5 to 10 ml of sodium sulfate solution, 1 to 2 g of Pickering emulsifier, 3 to 5 g of liquid paraffin and 1 to 2 g of Tween-80. The compound preparation not only pays attention to nutritional supplement, but also pays attention to regulation of an immune system and improvement of intestinal flora balance, so that the physique of the weak stiff livestock is comprehensively improved, and powerful support is provided for efficient development of the breeding industry.

The utility model discloses an automatic carbon source feeding system for a sewage treatment plant, which comprises a carbon source feeding device and a control device, and an input end group of the control device is connected with a water inlet flowmeter, a water inlet total nitrogen detector and a water outlet total nitrogen detector. The sensing end of the water inlet flow meter and the sensing end of the water inlet total nitrogen detector are both arranged in the sewage inlet header pipe, the sensing end of the water outlet total nitrogen detector is arranged in the sewage outlet header pipe, and the control end of the carbon source adding device is electrically connected with the control signal output end set of the control device. And the carbon source output end of the carbon source adding device is communicated with the anoxic tank. Whether the external carbon source needs to be added or not to enable the total nitrogen of the effluent to reach the standard is judged according to the water inlet amount and the total nitrogen content of sewage treatment, the carbon source is accurately added according to requirements, accurate adding of the carbon source agent is achieved, and the carbon source agent consumption needed for removing unit TN is reduced.

The invention discloses a ketotifen fumarate divided-dose tablet based on a 3D printing technology and a preparation method thereof. The ketotifen fumarate clinical divided-dose tablet comprises the following components in percentage by mass: 1-10% of ketotifen fumarate tablet powder, 90-99% of cocoa butter and 0-5% of a flavoring agent, and the sum of the mass percentages of the components is equal to 100%. According to the technical scheme, a hot-melt extrusion type 3D printing technology is adopted to achieve rapid dissolution and clinical precise dose division of tablets, the 3D printing technology is applied to the field of dose division of commercially available tablets, and tablet powder and heated and melted pharmaceutic adjuvants are evenly mixed to prepare a printing material; the dose of the 3D printing divided dose tablet is accurately controlled by adjusting the drug content of the printing material and the volume of the printing model; the content of medicines in commercially available tablets is diluted by adding pharmaceutic adjuvants, and small-dose tablets with lower content are prepared again, so that precise dose-divided administration is realized, and the purpose of individualized administration is achieved.

The invention discloses a gastroscope dosing device and method convenient to use, and relates to the technical field of medical instruments. The magnetic control capsule gastroscope comprises a magnetic control capsule gastroscope body and a drug delivery capsule, the drug delivery capsule is used for being matched with movement of the magnetic control capsule gastroscope body to directly deliver drugs to the stomach of a patient, the drug delivery capsule comprises a power capsule, and a drug storage capsule is fixedly installed on the side, away from the magnetic control capsule gastroscope body, of the power capsule. The medicine storage capsule is used for storing medicine, the same folding tube is arranged between the magnetic control capsule gastroscope and the power capsule, and a medicine feeding spray head is fixedly installed at the bottom of the medicine storage capsule. By arranging the power assembly, the magnetic control capsule gastroscope is controlled to carry the administration capsule to move to be close to an affected part, then the power assembly is controlled to extrude a medicament, the medicament is directly sprayed out from the medicament spraying micropores under the pressure effect, then the medicament liquid is sprayed to the affected part, and direct administration is achieved; the problem that a traditional capsule gastroscope can only be used for observation and cannot be used for administration is solved.

The invention discloses ecological restoration soil dressing conservation spray-seeding equipment which comprises a base, an auxiliary adjusting mechanism and a uniform feeding mechanism, a stirring bin is fixedly connected to the top surface of the base, a spray-seeding device is fixedly connected to the top surface of the base, a protection bin is fixedly connected to the top surface of the base, and a partition plate is rotatably connected to the interior of the stirring bin; the auxiliary adjusting mechanism is arranged on the inner surface of the stirring bin, the uniform feeding mechanism is arranged on the top surface of the base, and the auxiliary adjusting mechanism can adjust the included angle of a rotating shaft, so that a second stirring shaft generates more effective shearing force and friction force in the movement process, the material mixing speed is increased, and the mixing efficiency is improved; the uniform feeding mechanism can control the feeding time and the feeding amount of the grass seeds, so that uniform and timed feeding is achieved, timed and quantitative grass seeds are added, it can be ensured that the feeding amount of the grass seeds is accurate, the excessive or insufficient condition is avoided, and therefore the production efficiency is improved.

The invention discloses a treatment device and method for high-alkalinity oil-containing tunnel construction wastewater, the device is provided with a plurality of sewage treatment areas, and an oil removal area, a coagulation area, a flocculation area and a settling area are connected through pipelines or partition plates to realize partitioned and segmented treatment of sewage. A pH adjusting system, a coagulant preparing and adding system and a flocculant preparing and adding system are integrated in the equipment area. According to the device, skid-mounted container equipment is adopted, the functions of pH adjustment, floating oil collection, coagulant preparation and addition, flocculant preparation and addition and the like are integrated, the whole device is small in occupied area and can be used after being mounted, the device can be transported to other similar projects to be continuously used after the project is finished, and one-time assembly and repeated use are achieved.

The invention belongs to the technical field of medicines, and particularly relates to a solid composition containing ceftizoxime sodium microcapsules as well as a preparation method and application of the solid composition. The invention provides a solid composition containing ceftizoxime sodium microcapsules. The solid composition comprises the ceftizoxime sodium microcapsules, sorbitol, microcrystalline cellulose and povidone, the ceftizoxime sodium micro-capsule comprises a capsule core and a capsule wall material wrapping the capsule core, and the capsule core comprises ceftizoxime sodium. The solid composition containing the ceftizoxime sodium microcapsules provided by the invention is high in ceftizoxime sodium active ingredient content, long in storage period, accurate in dosage and convenient to orally take and use, and can be stably released in an acidic or alkaline environment.

The utility model belongs to the technical field of thermosetting powder coating processing, and particularly relates to a quantitative feeding device for environment-friendly thermosetting powder coating processing, which comprises a plurality of raw material feeding hoppers, a plurality of control valves, a plurality of small quantitative feeding mechanisms and a plurality of annular weighing devices. The multiple small-volume quantitative feeding mechanisms are installed above the raw material feeding hopper, the outer wall of the raw material feeding hopper is fixedly connected with a limiting ring, the annular weighing devices are installed below the limiting ring, and the bottom ends of the multiple annular weighing devices are fixedly connected with annular supporting plates; a side supporting plate is fixedly connected to one side of the annular supporting plate; raw materials are contained and weighed through a raw material feeding hopper, a limiting ring and an annular weighing device, preloading of most of the raw materials is achieved, the small-mass quantitative feeding mechanism and the annular weighing device are matched to accurately add missing parts, and rapid and accurate feeding of large-mass raw materials can be achieved in a low-cost mode.

The present invention discloses a controlled-release type polymeric ferric sulfate water treatment agent and its preparation method, belonging to the technical field of water treatment functional materials. The water treatment agent consists of polymeric ferric sulfate, an iron ion color indicator, a gel matrix, a cross-linking calcium agent, amino diatomaceous earth, a pore-forming agent and an inert filler. The preparation method includes: first preparing a network gel, then preparing soft materials, and finally obtaining the product through pill-making and drying. The present invention realizes the slow release and controllability of polymeric ferric sulfate, and the color indicator can directly reflect the consumption state of polymeric ferric sulfate, facilitating storage, transportation, dosing and recovery.

The present invention provides an aqueous ticagrelor composition having improved storage stability, comprising ticagrelor as an active ingredient and a solubilizer for ticagrelor, preferably cyclodextrin or vitamin E TPGS. The aqueous ticagrelor solution is preferably provided for intravenous administration by or by injection or infusion. Preferably, the aqueous intravenous composition of ticagrelor according to the present invention, in a ready-to-use form or suitable for dilution prior to intravenous administration, is used as a medicament in the treatment of ticagrelor reactive diseases.

The utility model relates to the technical field of phase modifier equipment, in particular to a bearing lubricating structure for a phase modifier, which comprises a phase modifier body, a storage barrel, a timer and an electric telescopic rod, a top plate and an oil injection hole are arranged at the upper end of the phase modifier body, the storage barrel is positioned at the upper end of the top plate, and a bottom oil outlet pipe is inserted into the top plate; according to the structure, the electric telescopic rod is triggered through the timer, the injection rubber plug is pushed to feed lubricating oil in the material storage barrel into the bearing through the oil outlet pipe and the oil injection hole, automatic and accurate lubrication is achieved, and a fan-shaped rubber sealing piece in the oil outlet pipe guarantees the sealing performance; the annular seat in threaded connection is convenient to disassemble, assemble and maintain, the rubber pipe protects the oil injection hole to be clean, the problem that manual oil injection is inaccurate and not timely is effectively solved, equipment loss is reduced, and stability is improved.

The invention discloses a pressing drug delivery device which can enable pressing drug delivery pressure to be uniform and guarantee effective drug delivery. Meanwhile, the microneedle dosing device is simple in structure and convenient to operate. The microneedle administration device comprises an upper buckle and a lower buckle, the upper buckle comprises a buckle body; a pressing plate is arranged at the upper end of the buckle body; a push block is arranged at the lower end; a microneedle patch is arranged on the push block; a limiting block is arranged at the lower end of the lower buckle; the lower buckle is provided with an inner cavity; the surface of the inner cavity is a conical surface; the limiting block is provided with a central hole; the central hole is communicated with the inner cavity; the diameter of the central hole is matched with that of the microneedle patch; the diameter of the lower end surface of the push block is equal to or smaller than that of the microneedle patch; and a medical double-faced adhesive tape is arranged on the bottom surface of the limiting block. By adopting the microneedle administration device, accurate administration can be realized, effective administration is ensured, and the operation is simple and convenient.

The application belongs to the technical field of medicine, and relates to a medicine and instrument combination system for treating bromhidrosis by using a sclerosing agent and a multi-needle injection needle and application thereof. The medicine and instrument combination system is a medicine and instrument composition comprising a sclerosing agent and a disposable sterile injection needle. The sclerosing agent comprises one or more of polidocanol, lauromacrogol, sodium myristyl sulfate and sodium morrhuate. The disposable sterile injection needle is a nine-needle injection needle or a five-needle injection needle. The nine-needle injection needle or the five-needle injection needle has uniformly distributed needle heads and equal lengths of the needle heads. The medicine and instrument combination system can standardize injection of the sclerosing agent in the process of treating bromhidrosis, accurately control the dosage, control the curative effect, reduce adverse reactions and improve safety.

The utility model discloses a medicine bottle storer and a disposable medicine bin mechanism, the medicine bottle storer comprises a medicine bottle storer body, an anti-drop piece is arranged on the inner wall of the medicine bottle storer body, the disposable medicine bin mechanism comprises a medicine bottle storer and a medicine storage bottle installed in the medicine bottle storer, and the anti-drop piece is used for fixing the medicine storage bottle. According to the medicine bottle storage device and the disposable medicine bin mechanism, the medicine storage bottle is fixed in the medicine bottle storage device body through the anti-falling piece, so that the medicine bottle arranged in the medicine bottle storage device body can be prevented from falling off, and the medicine bottle and the medicine bottle storage device body are combined into a non-detachable whole; when the medicine bin is replaced, the medicine storage bottle and the medicine storage bottle are integrally replaced, the medicine storage bottle cannot fall off and be damaged, the positions of the medicine storage bottle and the medicine storage device are fixed, the replaced medicine storage bottle and the power assembly cannot generate position deviation, and the dosage is accurate during injection.

The invention discloses a mixing process for preparation of rhizoma polygonati health-care food, and belongs to the technical field of food preparation, in the invention, through nanocrystallization treatment, rhizoma polygonati powder is refined to a nanometer level, and particle size distribution is uniform, so that active ingredients are easier to be absorbed by a human body, and the bioavailability of the product is remarkably improved. The stabilizing treatment of the nanoparticles comprises the steps of adding a stabilizer and using a coating technology, so that the active ingredients are protected from being damaged in the preparation and storage processes, and the effects of the active ingredients are kept. Through the nanocrystallization treatment and the subsequent screening step, the uniformity of the particle size is ensured, so that the appearance quality of the product is improved, and the dosage of each piece of health food is more accurate. And the stability of the product in the storage and transportation processes is improved, and the problems of dampness, oxidation and the like are reduced. Due to the small size of the nano-particles, the nano-particles have better solubility, so that the active ingredients can be quickly released, and the effect of the health-care food can be improved.

The invention discloses a sewage filtration treatment method, which belongs to the field of sewage treatment, and comprises a pretreatment stage, a composite membrane filtration stage, an advanced oxidation-adsorption coupling filtration stage, a deep purification stage and a resource recovery stage, and is characterized in that suspended particulate matters and part of organic matters are removed by adjusting the pH value of sewage and adding a modified diatomite adsorbent; carrying out pressure filtration through a three-stage composite membrane assembly to obtain a primary filtrate; then, a ferrous ion-sodium persulfate-ozone-ultraviolet synergistic oxidation process is adopted, coupling filtration is achieved in combination with a double-layer modified activated carbon filter layer, and then deep purification is completed through ion exchange and ultraviolet disinfection. According to the sewage filtering treatment method, adsorption, filtering and advanced oxidation technologies are efficiently coupled, the treatment effect and the resource utilization rate are considered, operation is easy and convenient, running is stable, the content of COD, suspended particulate matter and ionic pollutants in sewage can be effectively reduced, and the sewage filtering treatment method is suitable for various industrial and domestic sewage treatment scenes.

The present invention provides a smart and precise liquid dispensing cart, comprising a body, the body being provided with an electronic weighing device, a hanging device, a liquid stopping device and a control module, the hanging device being provided above the electronic weighing device to fix the liquid medicine container, the liquid stopping device being provided with an infusion tube positioning groove and a pipeline pressing and stopping mechanism, the electronic weighing device and the liquid stopping device being electrically connected to the control module, and the control module controlling the liquid stopping device to stop the liquid according to the preset weight of the electronic weighing device. The present invention provides a smart and precise liquid dispensing cart, which can realize the intelligent and precise dispensing of liquid medicine, thereby saving the operation time of medical staff.

The invention relates to the technical field of medicine feeders, and discloses a novel medicine feeder which comprises a main body assembly. The main body assembly comprises a main pipe and a main pipe; the air bag is arranged on the connector; a cleaning assembly is arranged on the main pipe; according to the cleaning assembly, a connecting rod is fixedly connected to the outer side of the main pipe; the supporting rod is arranged on the inner side of the connecting rod; the side pipe is connected into the supporting rod in a sliding mode. The spraying head is arranged at one end of the side pipe; the ring body is slidably connected to the inner side of the main pipe; the double-tube type medicine feeding mode of the main tube and the side tube is adopted, residues and waste of medicine on the tube wall are reduced, medicine feeding is more accurate, and the novel medicine feeder has the advantages that medicine residues on the tube wall of the medicine feeder are reduced, accurate medicine feeding of small and micro-dose medicine for infants is facilitated, and medicine waste and side effects of excessive medicine are avoided. The problem that an existing medicine feeder does not have a good cleaning function is solved.

The invention is applicable to the technical field of surface water processing and treatment, and provides comprehensive surface water treatment equipment which comprises a recycling barrel and a treatment pond, the three filter screens are arranged in parallel to the inner position of the recycling barrel in an inclined mode, and cleaning boxes are arranged on the sides, close to the filter screens, with the higher inclined gradient; the electric push rods are arranged in the cleaning boxes; the bearing blocks and the cleaning brooms are arranged at the telescopic ends of the electric push rods, and slag discharging openings are communicated with the sides, close to the filter screens, with the lower inclined gradient; according to the invention, impurities and suspended matters can be effectively removed from surface water in a preliminary filtering stage, chemical reaction and physical precipitation processes are accelerated through precise agent addition and full mixing, harmful substances such as microorganisms, organic matters and heavy metal ions in water are further removed through subsequent multi-stage purification treatment, and in addition, the water quality is improved. The efficient gas treatment system effectively avoids secondary pollution caused by harmful gas and peculiar smell generated in the treatment process.

The invention relates to a compound medicine composition and application thereof in resisting helicobacter pylori infection, in particular to the compound medicine composition, a medicine preparation, a preparation method and application, and the composition comprises at least two selected from the following components: (I) Vonoprazan or pharmaceutically acceptable salt thereof, (II) Vonoprazan or pharmaceutically acceptable salt thereof, (III) Vonoprazan or pharmaceutically acceptable salt thereof, (III) Vonoprazan or pharmaceutically acceptable salt thereof, (III) Vonoprazan or pharmaceutically acceptable salt thereof and (III) Vonoprazan or pharmaceutically acceptable salt thereof; (II) amoxicillin or a pharmaceutically acceptable salt thereof; (III) clarithromycin; according to the composition prepared by compounding different anti-infection active ingredients, the problems of patient compliance and medication convenience can be effectively solved, for example, the tablet dosage is reduced, wrong taking, missing taking, excessive taking and the like of a patient are avoided, the stability and safety of the preparation can be accidentally improved, and the content of harmful impurities is particularly reduced.

The invention discloses a Fenton fluidized bed rapid crystallization control system and method, comprising an input unit, a flow meter, a timer, a crystal row cycle unit, a reflux unit, a ferrous sulfate dosage unit and a control unit, wherein the raw water flow, crystal particle size and start-up time in the Fenton fluidized bed crystallization process are collected; the crystal row cycle is obtained according to the crystal particle size and the start-up time; the hydrogen peroxide dosing reflux volume and the ferrous sulfate dosing reflux volume are obtained according to the crystal row cycle and the raw water flow; the ferrous sulfate dosage is obtained according to the ratio of the ferrous sulfate dosage to the chemical oxygen demand and the crystal particle size; the invention not only has high dosage accuracy, but also improves the Fenton reagent dosage utilization rate.

The utility model relates to the technical field of medical application, in particular to a medical application. The medical application comprises release paper, a skin-friendly layer, a first liquid absorption layer, a second liquid absorption layer and a bottom film layer which are sequentially arranged, a first liquid absorption groove is concavely formed in the face, facing the first liquid absorption layer, of the second liquid absorption layer. The medical application has the advantages of high utilization rate of medicine molecules, no liquid leakage and accurate dosage, and the comprehensive performance and effect of the medical application are obviously superior to those of gauze wet application.

The present application relates to a kind of microneedle transdermal drug delivery technology, in particular, it relates to a kind of drug-loaded table transdermal nursing system.The drug-loaded table transdermal nursing system includes penetration device, penetration device includes penetration unit, and the penetration unit has substrate and the penetration micro-unit formed on substrate;It further includes delivery device;Delivery device includes delivery unit, and the delivery unit has drug-loading platform, and drug-loading surface of drug-loading platform is provided with drug coating, and drug coating has water-soluble and contains active ingredient;Delivery device can be delivered active ingredient by the reciprocating touch of the skin of specific area multiple times, and when the skin of specific area is touched each time, drug coating partially dissolves, and when the number of touch reaches specific number, drug coating completely dissolves.The nursing system is simple and convenient to operate, can realize the accurate, stable control of drug dosage, can be implemented uniform nursing to specific skin area, and can be suspended or discontinued at any time.

This invention belongs to the pharmaceutical field and relates to a human nerve growth factor composition. This invention provides a human nerve growth factor composition that can be administered via multiple routes, maintains good stability without cryopreservation, and does not require fixed accessories, simplifying operation and improving the convenience of medication.

The invention relates to the technical field of sewage treatment, in particular to a maleic anhydride wastewater treatment process which comprises the following steps: calculating according to a COD actual value of maleic anhydride wastewater to be treated and obtaining a COD calculated value; calculating and obtaining the adding amount of hydrogen peroxide according to the COD calculation value; calculating and obtaining the adding amount of ferrous sulfate according to the adding amount of hydrogen peroxide; adjusting the pH value of the maleic anhydride wastewater to be treated to 2.5-3; adding 20% of ferrous sulfate according to the calculated adding amount of the ferrous sulfate, and mixing the ferrous sulfate with the maleic anhydride wastewater to be treated; adding 30% of hydrogen peroxide according to the calculated adding amount of the hydrogen peroxide, and enabling the hydrogen peroxide to react with ferrous sulfate; adjusting the pH value of the effluent of the Fenton reaction to 4.5-5.5; and 10 ppm to 20 ppm of polyacrylamide is added. On the premise of ensuring the treatment effect, the dosage of two medicaments is reduced, and the cost is saved.

The invention relates to the technical field of medical treatment, and discloses a gynecological accurate drug delivery device which comprises a platen, a display and a support are fixedly mounted at the top of the platen, a first piston cylinder is fixedly mounted on the front side of the support, and an electric push rod with the extension end fixed to a piston in the first piston cylinder is fixedly mounted above the support; the bottom of the first piston cylinder is fixedly connected with a discharging pipe inserted into the platen, and a third rubber pipe and a fourth rubber pipe are alternately inflated or deflated through the second piston cylinder, the third piston cylinder, two connecting pipes and two connecting pipes, so that one of a third air bag and a fourth air bag is shrunk and shortened, and the other one is expanded and extended. Therefore, the silica gel body is turned at the top end of the silica gel leg, and the silica gel head is turned according to the principle, so that the nozzle directly faces the wound position in the vagina, and after alignment, the switch III is pressed to drive the piston cylinder I to suck liquid medicine in the liquid medicine cylinder firstly, and the liquid medicine is sprayed out by aligning the liquid medicine to the wound through the nozzle, so that accurate dosing is realized.