54results about How to "Avoid overdosing" patented technology

The invention relates to a contaminated soil ex-situ medicating, mixing and restoring system. The system consists of a soil warehouse, a quantitative feeder, a solid medicament bin, a weighing screw feeder, a liquid medicament box, a medicament pump, a spraying device, a soil crusher, a feeding belt machine, a cutting, crushing and mixing device, a soil stirrer, a discharge belt machine and a scattering, crushing and mixing device. Contaminated soil can be rapidly restored by adopting a solid or liquid remediation medicament according to different contaminated soil characteristics, and the contaminated soil ex-situ medicating, mixing and restoring system is mainly suitable for ex-situ remediation occasions of heavy metal or organic matter contaminated soil. The contaminated soil ex-situ medicating, mixing and restoring system is wide in application range, high in processing capacity and medicating and measuring precision, good in crushing and mixing effect, is high in automation degree for contaminated soil, can be used for solidification stability of heavy metal contaminated soil and chemical and oxidation remediation treatment of organic matter polluted soil, also can be used for the crushing and mediation mixing operation of other similar materials, and has favorable environment-friendly and social benefits.

The invention provides a denitration method for waste gas generated by a burning system and denitration equipment for the waste gas generated by the burning system. The denitration method comprises the following steps of: bringing reducing agent into an electrode region in a plasma reaction container or a reaction region behind the electrode region, where the reducing agent and plasma collide with each other and change the energy, and all or some of the reducing agent is transformed into plasma or is activated into the activated molecules, wherein the mixed gas is led into a NOx-containing waste gas channel, and enters into a reduction reaction room with the waste gas; reducing the NOx into harmless gas such as N2, CO2, and water in case of catalyst or high temperature; and discharging the treated gas through a follow-up discharger. According to the method, the use level of solid reducing agent can be greatly saved, the risk of the leakage of reducing agent components can be reduced, the reaction time can be shortened, and the reaction efficiency of a reactor can be improved.

The invention relates to a nano-biological organic-inorganic compound fertilizer, which comprises the compositions by weight: 40-48 percent of biological organic fertilizer, 11-18 percent of nitrogenous fertilizer, 16-20 percent of phosphate fertilizer, 8-12 percent of potassium fertilizer, 10-15 percent of bentonite and 0.1-0.15 percent of nanometer type granulating adhesive. Sauce pomace is fermented through azotobacter, potassium bacteria and phosphorus bacteria, thus obtaining the biological organic fertilizer. Effective components in the fertilizer are counted by weight: organic matter is more than or equal to 38 percent, nitrogen plus phosphor plus potassium is more than or equal to 15 percent and number of beneficial microorganisms is more than or equal to 100 million of every gram fertilizer. The invention also relates to a preparation method of the nano-biological organic-inorganic compound fertilizer. The fertilizer of the invention changes waste into valuables, has high utilization ratio of the fertilizer, improves soil structure, adjusts the environment of microorganism, strengthens stress resistance of crops and has good effect of disease and pest resistance; the quality of the invention is comparable to farmyard manure and the invention is an ideal fertilizer for planting uncontaminated vegetables.

The invention relates to the field of treatment on metal ion-containing waste water and discloses a technology and a device for treating mixed waste water produced by cold-rolling pickling of stainless steel and carbon steel. The technology and the device are characterized in that according to effects of precipitation of different metal ions under different PH value conditions, a pH value and a precipitation process are adjusted sectionally so that separation of metal ions is realized. The technology and the device can effectively reduce use amounts of agents such as lime and the like, can reduce a production amount of sludge and is convenient for classified treatment on sludge.

The invention belongs to the field of wastewater treatment technology and specifically relates to a Fenton's reagent oxidation wastewater treatment method and a device thereof. Wastewater to be treated enters a 1-stage pH regulating tank, and concentrated acid is extracted from a concentrated acid storage tank through an acid adding pump to carry out first-step pH regulation; an effluent from the 1-stage pH regulating tank enters a 2-stage pH regulating tank, and diluted acid is extracted from a diluted acid storage tank through an acid adding pump to carry out second-step pH regulation; an effluent from the 2-stage pH regulating tank enters an oxidation reaction tank, hydrogen peroxide and ferrous sulfate are added into an inlet of the oxidation reaction tank through a dosing pump, and a reaction is conducted after mechanical agitation or air agitation and mixing of the materials and wastewater; after pH regulation of an effluent from the oxidation reaction tank is achieved by addition of alkali, the effluent enters a sedimentation tank, and the effluent from the oxidation tank undergoes solid-liquid separation in the sedimentation tank and finally discharging is followed. Dosage of the oxidizer is controlled precisely so as to avoid less or excessive dosage of the drug. It is ensured that the treatment effect is stable, and treatment cost is effectively reduced. Degree of automation is high, and manual operation difficulty is reduced.

The invention discloses a Chinese medicinal granule semi-automatic dispensing method, and relates to the technical field of Chinese medicinal granule dispersing. The method comprises the electronic prescription acquisition step, the electronic prescription analysis step, the medicine bottle taking step, the checking step, the medicine dispensing measurement step and the sealing step. The medicinebottle taking step and the checking step require to be manually completed. The medicine dispensing information of the medicine is manually checked for multiple times in the whole dispensing process through the human-computer interaction interface and the information approval device so that the situation of mistaken medicine dispensing can be avoided. Besides, the medicine can be supplemented in time by the semi-automatic dispensing mode when shortage of the medicine stock is discovered, and the medicine dispensing accuracy can be ensured through multi-level approval. After the electronic prescription information is received, the medicine stock information is checked firstly so that the problem of medicine dispensing interruption caused by insufficient medicine stock can be avoided, the medicine dispensing efficiency can be ensured and the probability of medical dispute can be reduced.

The invention relates to a corn thresher, in particular to a multifunctional corn thresher for agricultural machinery. The technical problem to be solved by the present invention is to provide a multifunctional corn thresher for agricultural machinery that collects corn grains quickly and conveniently and is not easy to accumulate dust. In order to solve the above technical problems, the present invention provides such a multifunctional corn thresher for agricultural machinery, including a base, etc.; A discharge mechanism is provided, and a first through hole is opened on the lower part of the right side of the threshing chamber. The invention relates to a multifunctional corn threshing machine for agricultural machinery. The threshing machine is provided with a feeding mechanism, which can conveniently feed corn to be threshed into a threshing chamber through a feeding hopper, and is provided with a discharging mechanism.

The invention discloses a method for controlling cadmium precipitation through zinc powder replacement through potential. The method comprises the following steps that A, copper and cadmium slag is subjected to acid leaching, and a replacement pre-liquid is obtained; B, zinc powder is added to the replacement pre-liquid for primary replacement, and sponge cadmium and a primary replacement post-liquid are obtained; the zinc powder addition amount in the primary replacement process is controlled by the aid of potential; C, the zinc powder is added to the primary replacement post-liquid for secondary replacement, and secondary replacement slag and a lean cadmium liquid are obtained; and the zinc powder addition amount in the secondary replacement process is controlled by the aid of potential.According to the method, the process of cadmium precipitation through zinc powder replacement is controlled through the potential, the electrochemical principle is sufficiently utilized, and the replacement reaction endpoint is controlled according to the standard electrode potential of metal, so that the unit consumption of the zinc powder is effectively reduced, the content of the sponge cadmium is increased, and the production cost is reduced.

The invention belongs to the technical field of blasting, and relates to a filling method for the primary explosive of a blasting upward hole mixed explosive. The method comprises the following specific steps that: S1, a column explosive serves the primary explosive, and the bottom end of the column explosive is cut before explosive charging; S2, the column explosive is manually filled to the bottom of a blast hole, the column explosive is prevented from sliding towards the hole opening of the blast hole under the influence of self weight by means of the viscosity of the broken bottom end of the column explosive, and the column explosive is filled into an explosive tube so as to be poked tightly; S3, the mixed explosive is mechanically filled, the mixed explosive is completely coupled with the hole wall of the blast hole through continuous filling, the mixed explosive is not affected by the self weight of the initiating explosive, the mixed explosive is completely bonded with the hole wall of the blast hole after being foamed, excessive explosive returning can be avoided, and the blast hole is blocked; and S4, while the mixed explosive is mechanically loaded, an explosive loading tube is withdrawn at a constant speed. According to the method, the problem of explosive returning in the explosive charging process and after explosive charging is solved, the blasting explosive charging quality is ensured; the application effect of the method in a blast hole with the inclination angle being 60 degrees or above is extremely obvious, and particularly in a vertical hole of a cutting groove, and the explosive returning problem is solved.

The invention relates to a method of restoring organic polluted soil through electro-thermal activation of persulfate. According to the method, an electric field of an electrode heating system drivescontrollable distribution of an oxidant in soil; through an electro-thermal field formed in the electrode heating system, persulfate is activated to efficiently remove organic pollutants, and at the same time, the using amount of persulfate is reduced. The invention provides a novel method of efficiently restoring organic pollutant soil in an energy saving mode.

The invention relates to the technical field of metallurgy, and discloses a preparation method of iron-containing dust sludge pellets, which optimizes the components and preparation technique of the iron-containing dust sludge pellets by controlling the types of raw material dust sludge and combining the metallurgical thermodynamics theory. According to the preparation method of the iron-containing dust-mud pellets, recovery of iron elements can be achieved, meanwhile, S elements possibly entering molten iron are effectively controlled, the S elements are reserved in slag and removed in the slag falling process of the molten iron, and the quality of the molten iron is guaranteed.

The invention relates to the technical field of pest control, and particularly discloses a control method of drosicha contrahens. The control method includes the following steps: in late January, annular drug segments of a high-chlorine.imidacloprid agent are sprayed on the surfaces of tree trunks, in early February, pest sticking adhesive tapes are wound around the middles of the annular drug segments closely attached to the tree trunks, the number of live drosicha contrahens between the lower edges of the pest sticking adhesive tapes and the lower edges of the annular drug segments is observed at fixed period, and when the number of the live drosicha contrahens is greater than 1/100 cm<2>, a sophocarpidine agent is sprayed additionally in time. According to the control method of the drosicha contrahens, a comprehensive control measure combining physical blocking and chemical control is adopted, the control effect is achieved to be 98% or above, the base number of the drosicha contrahen population in the year is effectively decreased, operation is easy, convenient and feasible, the material cost is low, the environmental pollution problem is avoided, safety of people and animals is achieved, and the good economic, social and ecological benefits are achieved.

The invention provides a plant maintenance structure for treating ecological sewage, and relates to the technical field of plant maintenance equipment, the plant maintenance structure comprises a culture pot and a chemical adding structure, the lower end of the culture pot is a bottomless structure, the chemical adding structure is arranged at the upper end of the culture pot, and the chemical adding structure comprises three electric telescopic rods; the three electric telescopic rods are uniformly and fixedly mounted on the surface of the culture pot, a spray head is fixedly mounted at the output end of each electric telescopic rod, two groups of spray holes are formed in the surface of each spray head and are each in a 90-degree sector shape, the upper end of each spray head is communicated with a pesticide barrel, and a round cover is rotatably mounted on the lower surface of each spray head; two leakage holes are formed in the surface of the round cover, and a rack ring is fixedly installed on the arc face of the round cover. According to the ecological sewage treatment device, the problems that the middle part of ecological sewage is inconvenient to spray chemicals, normal maintenance of aquatic plants in the middle part of a sewage pool is influenced, and the ecological sewage treatment efficiency is reduced are solved.

The invention discloses an efficient dephosphorization composite filler and a preparation method thereof, and the preparation method comprises the following steps: step 1, stirring and dissolving polyvinyl alcohol in water at 95 DEG C to form a stable solution; step 2, bonding and forming a chemical phosphorus removal agent by using a polyvinyl alcohol aqueous solution, drying in a drying oven at 105 DEG C, and crushing to obtain phosphorus removal agent particles with the particle size of 20-200 meshes; step 3, adding phosphorus removal agent particles, a catalyst, a surfactant, a cross-linking agent and sodium bicarbonate into the polyvinyl alcohol aqueous solution, stirring at a high speed, foaming for 2 minutes, pouring into a mold, and preserving heat at 65 DEG C, curing and shaping; and step 4, demolding, cleaning, drying, and cutting into blocks with corresponding sizes according to needs to obtain the phosphorus removal composite filler. The preparation process is simple, and the filler is stable in chemical property, easy to form a film, large in porosity, high in mechanical strength, excellent in adsorption efficiency and adsorption capacity and excellent in phosphorus removal performance.

The invention discloses a liquid level measuring device of a plant protection unmanned aerial vehicle. The liquid level measuring device comprises a detecting unit, a signal converting unit, a signaloutput unit and a control system. The detecting unit is used for detecting the liquid level of a liquid pesticide in a pesticide tank of the plant protection unmanned aerial vehicle and transmits information in the form of electric signals to the signal converting unit. The signal converting unit is used for converting the electric signals output by the detecting unit into binary codes and transmitting the binary codes to the signal output unit. The signal output unit is used for outputting the binary codes to a central processor. The control system is used for controlling the activation and stop of each sensor and controlling the time when the signal output unit transmits the binary codes to the central processor. By means of the liquid level measuring device, the liquid level of the pesticide tank can be detected, the working conditions of pesticide spraying openings are controlled according to feedback information of the sensors, excessive pesticide applying is avoided, and work efficiency and quality are improved.

The invention discloses a residual chlorine control method and device for chlorine dioxide disinfection. The device comprises a chlorine dioxide generator, a residual chlorine monitoring and controlling apparatus, a residual chlorine monitoring sensor and a disinfection pool, the left end and the right end of the chlorine dioxide generator are respectively connected with a metering pump, and the two metering pumps are connected with a sodium chlorate dispensing barrel and a hydrochloric acid dispensing barrel correspondingly; a chemical outlet pipe of the chlorine dioxide generator is fixedlyconnected with a side inlet of an ejector, an outlet of the ejector is connected into the disinfection pool, a suction pump is arranged on a water outlet pipe of the disinfection pool, one pipeline ofthe suction pump is connected to a water outlet valve, and the other pipeline of the suction pump is connected to the front end of the ejector; the device has the beneficial effects that the residualchlorine content of the effluent can be automatically monitored and controlled, meanwhile, the use amount of chemicals is reduced, and the labor cost and the time cost are reduced.

The invention discloses a disposable digestive system department esophagus applicator in the technical field of medical instruments. The disposable digestive system department esophagus applicator comprises an applicator ball and an applicator tube, wherein the applicator ball is in threaded connection with the applicator tube; multiple groups of medicine outlets are formed in the outer wall of the applicator ball; a telescopic rod is fixedly connected to the middle of the applicator ball, and a top ring is fixedly connected to the inner top of the applicator ball; a return spring is fixedly connected between the top ring and the bottom of the applicator ball; the applicator tube comprises an inner rod and an outer tube; the end of the inner rod is fixedly connected with an outward-expanding elastic piece; the outer wall of the inner rod is slidably connected with a clamping sleeve; a clamping spring is fixedly connected between the clamping sleeve and the inner rod; a medicine storagetube is fixedly connected to the middle of the outer tube; and a sealing assembly is arranged at the bottom of the medicine storage tube. The disposable digestive system department esophagus applicator is convenient to feed into the esophagus, relieves the pain of a patient, can allow a medicine to quickly flow out to a diseased part, can control the drug application amount to a certain extent through the pull-out duration of the inner rod, and is simple to operate and safe to use.

The invention relates to the technical field of pharmaceutical manufacturing, and discloses a Chinese patent medicine particle counting tank. A clamping mechanism comprises a conical hopper, an innercavity of the conical hopper is communicated with a threaded cover, a vertical pipe is fixedly connected to the bottom of the conical hopper, a limiting block sleeves the bottom end of the vertical pipe, a rotary sleeve sleeves the conical hopper, and an annular groove is formed in the side face of the vertical pipe. The Chinese patent medicine particle counting tank solves the problem that in theprior art, when the dosage of Chinese patent medicine taken by a patient is large, particle counting is inconvenient. The vertical pipe and the movable sleeve are arranged, an inner cavity of the vertical pipe is used for feeding the Chinese patent medicine, and when the number of fed particles is consistent with the number of particles needing to be taken, a medicine feeding channel can be blocked by a plurality of clamping beads under the action of the clamping beads so that the situation that excessive medicine is fed can be avoided; by rotating the rotary sleeve, under the action of an elastic pad and an elastic ring, the clamping beads can be separated from a medicine clamping groove so that normal medicine feeding can be achieved; medicine control and medicine feeding can be completed by rotating the rotary sleeve so that a user can conveniently use the device.