1168 results about "Chemical agent" patented technology

The invention provides a garlic planting full-process database service system based on agricultural big data, which relates to the technical field of agricultural planting and comprises a planting planning module, a seeding management module, a growth monitoring module, a topdressing irrigation management module, a pest control module and a harvesting decision module. The planting planning module accurately matches varieties and base fertilizer formulas according to soil and yield data; the seeding management and growth monitoring module dynamically optimizes planting measures in combination with real-time data and historical experience; the topdressing irrigation module, the pest control module and the harvesting decision-making module utilize technologies such as image recognition and spectrum detection to realize a precise and scientific management strategy, effectively improve the resource utilization rate, reduce the influence of environmental fluctuation on garlic growth, reduce the use of chemical agents, realize full-process data driving by integrating multi-source data, and improve the management efficiency. Meanwhile, a complete planting file is formed to support strategy iteration, large-scale and efficient development of garlic planting is facilitated, and then the economic benefits of garlic planting are effectively improved.

The invention discloses a gene RhNADP-LIKE for regulating and controlling Chinese rose flower aging, and particularly relates to the technical field of molecular biology and horticultural plant physiology. According to the invention, bottle insertion life phenotype data of 358 parts of core germplasm of tetraploid Chinese rose is screened through genome-wide association analysis (GWAS), and the gene RhNADP-LIKE significantly associated with senescence is identified. The gene accelerates the aging process of petals by regulating the accumulation of reactive oxygen species (ROS). After RhNADP-LIKE expression is inhibited by using a virus-induced gene silencing (VIGS) technology, the blooming period of rosa chinensis flowers is prolonged by about 2 days, and the ROS level is remarkably reduced. The invention provides a molecular target for prolonging the vase life of the Chinese rose, can be applied to gene editing breeding or development of an environment-friendly preservative, reduces the dependence of chemical agents, and improves the economic benefit and sustainable development potential of the cut flower industry.

The invention provides an intelligent maintenance cleaning device for nanofiltration membrane pollution control and a method thereof, and solves the problems of low maintenance cleaning efficiency, poor adaptability of cleaning parameters and pollution conditions and frequent chemical cleaning of an existing nanofiltration system. Belongs to the technical field of membrane pollution control. According to the invention, the filtering system, the cleaning system and the intelligent decision-making module are integrally designed, so that the closed-loop control of the whole process of real-time monitoring, pollution identification, intelligent decision-making and automatic cleaning of the running state of the nanofiltration membrane is realized. The cleaning effect gating memory neural network model is used as a membrane pollution prediction model, membrane pollution can be accurately predicted, and key cleaning nodes can be identified. The optimal membrane cleaning parameters are generated by adopting a non-dominated sorting genetic algorithm, the usage amount of chemical agents and the cleaning cost are reduced, and the membrane pollution control effect is improved. The invention is applicable to the field of drinking water treatment.

The utility model discloses a thermal hydrolysis cyanide breaking device, which relates to the technical field of wastewater treatment and comprises a cyanide breaking reactor, a wastewater heat exchanger, a pipeline mixer, a steam mixer, an instrument control valve and the like. After being heated by the wastewater heat exchanger, the wastewater enters a cyanide breaking reactor, and steam enters a steam mixer to heat the wastewater to a specified temperature and then enters the cyanide breaking reactor. The characteristic that the cyanide aqueous solution is easy to hydrolyze is utilized, so that the cyanide aqueous solution is hydrolyzed at the temperature of higher than 140 DEG C to produce sodium formate and ammonia, the toxicity of cyanide is eliminated, high-temperature wastewater discharged from the cyanide breaking reactor enters the wastewater heat exchanger to exchange heat with wastewater to be treated, and heat is recovered; the pressure of the reactor is controlled through a wastewater heat exchanger outlet wastewater outlet pipeline pressure regulating valve. The cyanide wastewater treatment device is reasonable in design, only a small amount of sodium hydroxide is needed for adjusting the pH of wastewater, no chemical agent needs to be added in other procedures, the cyanide wastewater treatment efficiency is improved, and the cost is saved.

The invention relates to the technical field of agricultural planting, in particular to a method for preventing and treating watermelon fusarium wilt by using a green bactericide, which comprises the following steps: preparing the green bactericide which comprises the following components in percentage by mass: 18-25% of composite plant source active component consisting of water lettuce extract, enteromorpha polysaccharide and field horsetail flavone; 20%-30% of an antagonistic bacterium compound preparation, wherein the antagonistic bacterium compound preparation comprises bacillus pumilus and trichoderma; 38%-45% of a nano-carrier, wherein a chitosan-sodium alginate compound is used as an embedding material; and the balance of auxiliary components. Applying the green bactericide to watermelon plants; through component optimization and a synergistic effect, compared with the prior art, the composition has the remarkable advantages that the safety is high, all the components are from natural plants or microorganisms, no chemical pesticide residue exists, the composition is healthy to human bodies and environmentally friendly, and the problems of drug resistance and soil pollution caused by chemical agents can be avoided.

The application relates to a modified separation membrane in the technical field of membrane materials, a preparation method and application thereof. The modified separation membrane comprises a base film and a nanostructure layer on the upper surface of the base film and the membrane hole surface close to one side of the upper surface of the base film; wherein the pore size of the base film is 120-400 mu m; the nanostructure layer is composed of microparticles with a size of 100-1000 nm; the preparation method comprises 3D printing of the separation membrane; and the upper surface of the separation membrane and the membrane hole surface close to one side of the upper surface of the separation membrane are subjected to plasma treatment. The modified separation membrane preparation method combines the 3D printing technology and the membrane separation technology, improves the traditional membrane preparation process, finds a more optimal membrane replacement process, and the modification method is free of chemical agents, has the advantages of being more convenient and fast to operate, high in separation efficiency, low in processing cost, green and pollution-free, and the like, and has important significance in the aspects of membrane separation technology improvement and application of oily wastewater treatment.

Provided herein are engineered nucleic acids (e.g., expression vectors, including viral vectors, such as lentiviral vectors, adenoviral vectors, AAV vectors, herpes viral vectors, and retroviral vectors) that encode OCT4; KLF4; SOX2; or any combination thereof that are useful, for example, in inducing cellular reprogramming, tissue repair, tissue regeneration, organ regeneration, reversing aging, or any combination thereof in the central nervous system or ex vivo. Also provided herein are recombinant viruses (e.g., lentiviruses, alphaviruses, vaccinia viruses, adenoviruses, herpes viruses, retroviruses, or AAVs) comprising the engineered nucleic acids (e.g., engineered nucleic acids), engineered cells, compositions comprising the engineered nucleic acids, the recombinant viruses, engineered cells, engineered proteins, chemical agents that are capable of activating expression of OCT4; KLF4; SOX2; or any combination thereof, an engineered protein selected from the group consisting of OCT4; KLF4; SOX2; or any combination thereof, an antibody capable of activating expression of OCT4; KLF4; SOX2; or any combination thereof, and methods of treating a disease (e.g., a neurological disease), preventing a disease (e.g., neurological disease), regulating (e.g., inducing or inducing and then stopping) cellular reprogramming, regulating tissue repair, regulating tissue regeneration, or any combination thereof.

The invention discloses an automatic treatment device and method for metal workpiece surface polishing and application. According to the automatic environment-friendly electrochemical polishing device, the workpieces are automatically transferred through the automatic conveying device, automatic connection of all the procedures is achieved, and the automatic environment-friendly electrochemical polishing process of the metal workpieces such as the pure magnesium workpieces is achieved; and compared with the prior art, only water is used as a cleaning medium in the whole process, and toxic and harmful chemical agents are not needed. The environmental pollution risk is greatly reduced, and the environmental protection requirement is met. The environment-friendly polishing solution is adopted for electrochemical polishing, core components of the polishing solution are biodegradable non-toxic reagents such as ethyl alcohol and glycerinum, waste liquid treatment is simple, zero liquid discharge can be achieved, and the difficulty and cost of waste water treatment are remarkably reduced. According to the invention, the process flow is simplified, the consumption of chemicals and pollution emission are reduced, and the process efficiency is improved. According to the invention, whole-process monitoring and automatic operation from pretreatment to post-treatment are realized, the production efficiency and consistency are improved, and the method is suitable for industrial large-scale application.

The utility model discloses an SCR waste catalyst recovery device in the field of SCR waste catalyst recovery, which comprises a bottom plate, support rods and a reaction box, the support rods are fixedly connected to the edge positions of four corners of the top of the bottom plate, the reaction box is fixedly connected to the top ends of the support rods, a feed pipe is fixedly connected to the front part of the top of the reaction box, and the feed pipe is fixedly connected to the bottom of the bottom plate. According to the recovery device for the SCR waste catalyst, the waste catalyst is damaged, the size is reduced, the reaction area of the waste catalyst and a chemical agent is increased, the reaction rate is increased, meanwhile, a driving bevel gear is driven to rotate through starting of a first motor, the rotating directions of an upper driven bevel gear and a lower driven bevel gear are opposite, and therefore the waste catalyst is recycled. The rotating rod and the hollow pipe rotate in opposite directions, the first stirring rod and the second stirring rod are driven to rotate in opposite directions, reactants are stirred in different directions, a waste catalyst and a chemical agent are fully mixed, full reaction is facilitated, and insufficient reaction is prevented.

The invention discloses a compound microbial agent for preventing and treating fusarium wilt of cotton and application of the compound microbial agent, and belongs to the technical field of biological prevention and treatment of plant diseases. The prepared compound microbial agent is obtained by mixed culture of clostridium butyricum JBH-BD1 fermentation centrifugate, enterococcus faecium JBHBIO-BSC1, glucose and bacillus subtilis JBH-BK8, the preparation method is simple, and industrialized production, popularization and application are facilitated. The compound microbial agent has an obvious inhibition effect on cotton fusarium wilt caused by fusarium oxysporum, and the bacteriostasis rate reaches 66.7%. The harm of the cotton fusarium wilt to cotton is effectively reduced by utilizing a biotechnology, meanwhile, compared with a chemical agent, the problems of environmental pollution and the like are effectively avoided, and the application prospect is very wide.

The invention relates to the technical field of pipelines, in particular to a self-cleaning drainage pipeline which comprises a pipeline body and is characterized in that the pipeline body comprises a self-cleaning section, self-cleaning protruding strips are arranged on the inner wall of the self-cleaning section, and the self-cleaning protruding strips are arranged in a continuous spiral surrounding mode along the inner wall of the self-cleaning section. The self-cleaning device has the beneficial effects that water scale can be inhibited to a certain degree, existing water scale can be removed, no additional auxiliary device or chemical agent is needed, self-cleaning is achieved only through the pipeline structure, shutdown operation is not needed, the drainage process is not interrupted, waste of waste pipelines is avoided, and corrosion and pollution risks are avoided; the green and environment-friendly production concept is met.

The wastewater treatment system comprises a water inlet unit, a reactor, a separation unit and a circulation unit which are sequentially connected to form a closed-loop system, the water inlet unit is further connected with a chemical dosing unit, the water inlet unit is used for conveying wastewater to the reactor, and the chemical dosing unit is used for adding alkali into the wastewater to adjust the pH value and providing required magnesium ions; a fluidization reaction zone and a separation zone are arranged in the reactor, and the fluidization reaction zone promotes generation and growth of struvite particles through particle collision and aggregation; the separation zone enables generated particles to partially fall back to the fluidization reaction zone for continuous reaction through preliminary solid-liquid separation; the separation unit is used for receiving the wastewater in the separation area, further removing residual particles, and enabling the small particles to flow back to the reactor through the circulation unit for recycling. By optimizing the particle generation, separation and backflow processes in wastewater treatment, the formation of target large particles is promoted, the resource recycling is facilitated, meanwhile, the consumption of chemical agents is reduced, and the cost is reduced.

The invention relates to a synergistic composition for preventing and treating celery root rot. The tannic acid and fludioxonil in the synergistic composition disclosed by the invention show a relatively good synergistic effect in a compounding mass ratio range of (1: 50)-(50: 1). According to the synergistic composition disclosed by the invention, tannic acid with weak bacteriostatic activity on celery root rot and fludioxonil with excellent bacteriostatic activity are compounded for use, so that a remarkable synergistic effect is achieved, the prevention and treatment effect is far higher than that of a single agent, and the synergistic effect is achieved by reducing pesticide. Besides, according to the synergistic composition disclosed by the invention, the plant source tannic acid and the chemical bactericide fludioxonil are compounded for use, and the use amount of chemical agents is reduced, so that the resistance risk of the chemical bactericide is reduced, pesticide residues and ecological environment pollution are reduced, and the synergistic composition has a good application prospect.

The invention provides a metal part buried injection molding method which comprises the following steps: a metal part providing step: providing a metal part with the thickness of 0.5-0.7 mm; a roughness increasing step: corroding the surface of the metal piece by using a chemical agent so as to increase the roughness of the surface of the metal piece; a high-temperature pretreatment step: putting the metal piece after the roughness is increased into a heating device, and heating the metal piece to 130-140 DEG C; in the mold entering step, the heated metal part is embedded into a mold and continues to be heated, and the temperature of the metal part is kept at 130-140 DEG C; a buried injection step: carrying out injection molding on the metal piece at 130-140 DEG C to combine the plastic with the metal piece to form a finished product; and a pretreatment deformation step: taking out the finished product from the mold, drying the finished product, clamping the dried finished product on a jig, heating the finished product to enable the finished product to be in an environment of 110-130 DEG C, maintaining for 3-4 hours, and then cooling at normal temperature.

The utility model relates to the technical field of biological detection, and discloses a bioluminescence detector which comprises a bottom plate, a reagent rack and a luminescence detection module, the reagent rack and the luminescence detection module are arranged on the bottom plate, the reagent rack is connected with a kit in a sliding manner, a light filtering assembly is arranged above the kit, the light filtering assembly is provided with a plurality of light filters for selecting light waves, and the light filtering assembly is connected with the luminescence detection module. The luminous detection module detects an optical signal in the kit through the optical filter; the whole structure is compact, optical signals of non-target wavelengths can be removed and background light interference can be reduced by using the optical filters, so that the purity of the detection signals is improved, the light emitting detection module can detect the optical signals of the target wavelengths in a more targeted manner, and the accuracy of the detection result is enhanced; the appropriate filtering wave band can be selected according to different types of chemical agent reactions to meet different detection requirements, the application range of the detector is expanded, and the detector can be suitable for various bioluminescence reactions.

The application provides a Chinese medicine compound preparation for preventing and treating respiratory tract infection of livestock and poultry, a preparation method and application, and relates to the technical field of animal medicine. The Chinese medicine compound preparation is composed of 10 Chinese medicines, i.e. honeysuckle, forsythia, inula flower, platycodon grandiflorum, euphorbia helioscopia, xiaochangqing, fresh eucalyptus globulus, fried stemona, cat's claw and augustifolia, follows the principle of Chinese medicine syndrome differentiation and treatment, is reasonably matched, and the medicines are coordinated with each other to increase the efficacy. The Chinese medicine compound preparation can significantly reduce the levels of TNF-alpha and IL-6 in serum, increase the level of IFN-gamma, obviously alleviate the clinical symptoms of livestock and poultry respiratory tract infection, reduce the mortality, has a good treatment effect on the related diseases of livestock and poultry respiratory tract infection, can improve the drug resistance of antibiotic drugs, reduce the drug residues of chemical agents in livestock and poultry, and guarantees the health of livestock and poultry and the safety of animal source food.

The invention provides a reverse osmosis optimal dosing system and method based on ultraviolet sterilization, and the method comprises the following steps: firstly, the system monitors the influent microorganism load and water quality in real time, dynamically calculates the required ultraviolet dosage, and precisely adjusts the power of an ultraviolet sterilizer; secondly, according to the residual microorganism risk and the water inlet flow after ultraviolet treatment, the feeding amount of an oxidizing bactericide (such as sodium hypochlorite) is accurately adjusted according to a PID control strategy combining feedforward and feedback; meanwhile, according to the oxidation-reduction potential of the sterilized water body, a reducing agent (such as sodium hydrogen sulfite) is intelligently added to protect the reverse osmosis membrane. And finally, efficient cooperation of ultraviolet physical sterilization and chemical sterilization is achieved, on the premise that strict control over microbial pollution is guaranteed, the consumption and operation cost of chemical agents are remarkably reduced, generation of by-products is reduced, the service life of a reverse osmosis membrane is prolonged, and the intelligent level of system operation and the overall economic benefits are improved.

The invention relates to the technical field of contaminated soil restoration, and particularly discloses organic contaminated soil restoration equipment which comprises a supporting frame, a rotating shaft is installed at the bottom of the supporting frame, a plurality of rotating circular knives are installed on the rotating shaft at equal intervals, and a plurality of cutting edges are arranged on the outer edges of the rotating circular knives at equal angles. Soil forming assemblies are arranged on the two sides of the rotating circular cutter, each soil forming assembly comprises a circular plate fixed to the rotating shaft, the central axis of each circular plate deviates by a preset distance in the radial direction of the rotating shaft relative to the central axis of the rotating shaft, and the peripheral side of each circular plate is slidably sleeved with a lantern ring; according to the organic contaminated soil remediation equipment, a chemical agent solution horizontally permeates into soil, so that the chemical agent solution at all positions in the soil permeates uniformly, and the remediation effect on the organic contaminated soil is improved.

The invention discloses a spontaneous imbibition gas production method and system for a tight gas reservoir, particularly relates to the technical field of yield increase in oil-gas field development, and is used for solving the problem of gas flow channel blockage caused by mismatching of liquid phase suction and gas output time sequences in a soaking process in the prior art. According to the method, a dynamic balance mechanism of imbibition power and gas output power is established, double chemical agents are adopted to cooperatively regulate and control the imbibition process and gas flow channel maintenance, and the well opening opportunity is accurately determined based on the pressure recovery feature recognition technology to achieve efficient gas phase replacement of the tight gas reservoir. Firstly, reservoir rock physical property parameters and fluid property parameters are obtained, a dynamic equilibrium coefficient is calculated, and the optimal concentration of a first chemical agent and the optimal concentration of a second chemical agent are determined; injecting the chemical agent into the fracturing fluid for hydraulic fracturing, and shutting in the well for soaking, so that the chemical agent forms a wetting modified layer and an interfacial tension adjusting film in the reservoir; the characteristic points established by the gas-phase flow channel are identified by monitoring a pressure recovery curve, and production is started to realize efficient gas recovery.

The invention discloses a mesoporous biological ceramic filter sponge as well as a preparation method and application thereof, and belongs to the technical field of water treatment and air purification. The filtering sponge adopts a three-layer composite structure and comprises a three-dimensional porous sponge framework, a mesoporous ceramic transition layer and a nano metal thorn functional layer. Microorganism inactivation is achieved through a unique'adsorption-locking-puncturing 'physical mechanism, the inactivation rate of bacteria and viruses exceeds 99.9% under the condition that no chemical agent is used, meanwhile, heavy metal pollutants can be selectively removed, and beneficial mineral substances are reserved. The filtering sponge has the advantages of high porosity, large specific surface area, long service life and the like, and can be widely applied to the fields of drinking water treatment, sewage treatment, air purification and the like.

The invention relates to the technical field of agricultural plant disease control, and particularly discloses a biological and chemical compound bactericide and application thereof. The biological and chemical compound bactericide comprises a bacterial solution of a biocontrol strain bacillus velezensis LHN1 and a chemical bactericide, the biocontrol strain bacillus velezensis LHN1 is preserved in Guangdong Microbial Culture Collection Center, and the preservation number is GDMCC No: 63550; the chemical bactericide is selected from at least one of prochloraz, pyraclostrobin or tebuconazole; in the compound bactericide, the volume ratio of the LHN1 bacterial liquid to the chemical bactericide is (1: 4)-(4: 1). Through the synergistic effect of biological prevention and control and chemical prevention and control, the problems that a single chemical bactericide pollutes the environment and the single biological prevention and control effect is unstable are solved, the prevention effect in a pot experiment reaches up to 83.99%, meanwhile, the dosage of chemical agents is reduced by 30%-50%, and the method has the advantages of being efficient, low in toxicity and low in cost and is suitable for root rot prevention and control in large-scale planting of rhizoma polygonati.

The invention relates to the technical field of sludge treatment, in particular to an oil sludge dehydration treatment system which comprises sludge pretreatment equipment used for pretreating oil sludge to reduce viscosity of the oil sludge and promote oil-water separation, and the sludge pretreatment equipment comprises a mixing and stirring tank used for containing the oil sludge and chemical agents. A stirring shaft is rotatably arranged in the mixing and stirring tank, two L-shaped stirring blades are symmetrically arranged at the bottom end of the stirring shaft, an anchor stirrer formed by the unfolded L-shaped stirring blades is used for carrying out low-speed large-torque stirring at the initial high-viscosity stage of the oil sludge, and it is ensured that a medicament is evenly dispersed; after the raw materials are uniformly mixed and react for a period of time, the viscosity is reduced, at the moment, the folding assembly drives the L-shaped stirring blades to fold and retract, and a turbo-type stirrer is formed, so that high-speed shearing and stirring are performed, oil drop aggregation and floc formation are accelerated, the energy consumption is reduced, and the treatment period is shortened.

The invention discloses a cable sheath master batch capable of preventing rodent of rats and ants and a preparation method of the cable sheath master batch. The cable sheath master batch comprises the following raw materials: 50-70 parts of a modified polyolefin matrix, 10-15 parts of a nano composite filler, 15-25 parts of a slow-release type composition capable of preventing rats and ants and 5-8 parts of a multifunctional additive system, the modified polyolefin matrix is prepared from 40 to 50 parts of polypropylene, 15 to 25 parts of polyethylene and 5 to 10 parts of ethylene propylene diene monomer; the nano composite filler is prepared from 3 to 5 parts of nano titanium dioxide, 3 to 5 parts of nano zinc oxide and 2 to 5 parts of graphene; the multifunctional additive system consists of 2-3 parts of a coupling agent, 1-2 parts of a composite antioxidant and 2-3 parts of an environment-friendly plasticizer. Natural substances such as capsaicin and menthol are compounded to serve as a core repellent, long-acting protection of 18 months or above can be achieved in combination with a chitosan-sodium alginate composite microcapsule slow-release carrier, rats and ants are not prone to generating drug resistance, and the rat and ant prevention time is prolonged by 2-3 times compared with a traditional chemical agent.

The invention relates to an abrasive flow clamp of a 3D porous structure and a machining method.The abrasive flow clamp comprises a first flow guide assembly, a second flow guide assembly, a first sealing sleeve and a second sealing sleeve, after the first flow guide assembly and the second flow guide assembly are connected in a matched mode, a cavity is formed, and the cavity is used for containing a workpiece to be machined; the tail end of the first flow guide assembly is connected with the connecting end of the first sealing sleeve in a matched mode. The tail end of the second flow guide assembly is connected with the connecting end of the second sealing sleeve in a matched mode, and the first flow guide assembly and the second flow guide assembly are each provided with a hole for abrasive flow to pass through. Compared with an existing post-processing technology for a 3D printing structure, the device can rapidly achieve workpiece machining, the clamp is relatively simple, can be flexibly carried and is few in site limiting factors, meanwhile, multiple kinds of chemical agents and charged polar plates do not need to be used, the machining uniformity of the workpiece can be guaranteed, the machining quality is good, and the efficiency is high.

The utility model relates to a high-efficiency multi-polar magnetic energy water treatment device, which belongs to the technical field of water treatment equipment and is characterized in that an n-shaped magnetic treatment channel is formed by arranging an even number of magnetic components in a cylindrical protective shell, the magnetic path is 500-1500mm, and water flow grading magnetic treatment is realized by matching with a water distribution bin, an upper bin cover component and a lower bin cover component. Water flows into the left magnetic assembly through the water inlet area, enters the right magnetic assembly for secondary treatment after being transferred and is discharged from the water outlet area. The device solves the problems of insufficient magnetic path and unstable treatment effect in the prior art, is compact in modular design and high in pressure bearing capacity, can be applied to systems for pure water preparation, steam boilers, domestic hot water, deep well geothermal sources and the like, does not need chemical agents, is low in operation cost, is suitable for non-circulating systems, and improves the universality of a magnetic treatment technology.

The present application is to provide a harmless treatment method for removing thallium and beryllium from lithium residue, which overcomes the above-mentioned difficulties. The method uses waste lithium residue after lithium extraction from lepidolite as the main raw material, adopts a combination of ball milling machinery and chemical treatment with chemical reagents, further grinds and crushes the waste lithium residue, increases the surface area of the waste lithium residue to make the subsequent stabilization reaction more thorough, releases the soluble salts of potassium, sodium, beryllium and thallium wrapped by the waste lithium residue, and makes them dissolve into water during washing. At the same time, the mechanical ball milling can convert a part of insoluble lithium into soluble lithium to increase the recovery rate of metallic lithium. Through water washing and spray washing, harmful elements such as beryllium and thallium in the waste lithium residue are removed, so that the treated lithium residue meets the standards for beryllium and thallium. The content of beryllium and thallium in the treated lithium residue is as follows: Tl < 0.01 mg / L, Be < 0.02 mg / L. It is beneficial to resource utilization, more environmentally friendly and safer, and realizes the reuse of waste lithium residue.

The invention discloses a spectral analysis-based PCB chemical preparation ratio intelligent adjustment method and system, and relates to the technical field of industrial data processing. The method comprises the following steps: monitoring a cleaning solution flowing through a PCB cleaning tank in real time to obtain continuous spectrum time sequence data; analyzing in real time to obtain a copper ion concentration value sequence and a corrosion inhibitor concentration value sequence, and calculating a copper ion concentration change rate and a corrosion inhibitor concentration change rate in real time; analyzing the real-time change trend of the copper ion concentration value and the corrosion inhibitor concentration value, and analyzing the real-time numerical relationship between the copper ion concentration change rate and the corrosion inhibitor concentration change rate; judging whether a harmful side reaction which mainly consumes the corrosion inhibitor occurs or not; and when the harmful side reaction is judged to occur, inputting the copper ion concentration change rate and the corrosion inhibitor concentration change rate into a pre-trained proportioning optimization model, and outputting to obtain an acid agent adjustment amount and a corrosion inhibitor adjustment amount. According to the invention, the precise, real-time and intelligent adjustment of the proportion of the PCB chemical agent is realized.

The utility model discloses a kind of oil removal and air flotation integrated water treatment equipment, including water treatment processor, water inlet pipeline and water outlet pipeline are respectively arranged at the both ends of water treatment processor;Two baffle plates are arranged in water treatment processor, further include: oil removal device and air flotation device, are arranged in the area between water inlet pipeline and the baffle plate close to water inlet pipeline, oil removal device is used to remove part of oiliness in water inlet substance;Air flotation device is used to produce bubble to make impurity in water inlet float out;Scraping residue device is arranged in the area between two baffle plates, for removing the float dregs generated by air flotation.The integrated water treatment equipment significantly improves the removal efficiency of oiliness in high oil content wastewater, overcomes its interference to air flotation process, solves the fundamental problem of low treatment efficiency of traditional air flotation process;At the same time, by efficient built-in oil removal mechanism, reduce or eliminate the dependence on excessive chemical agent, thereby solve the problem of large amount of chemical agent consumption caused by low efficiency of traditional air flotation process.

The present invention addresses the problem of providing: a metal surface treatment agent which can form a film having excellent corrosion resistance and excellent hydrophilicity on or over a surface of a metal material; a method of producing a metal material having a film by using the metal surface treatment agent; and a metal material having a film, which is obtained by the method. A chemical agent, which contains prescribed amounts of a water-soluble or water-dispersible resin (A) and a compound (B) having a nitrile group and an amino group, is capable of forming a film having excellent corrosion resistance and excellent hydrophilicity on or over a surface of a metal material and, therefore, can solve the above-described problem.

1. The name of the design product: large flow diaphragm pump. 2. The use of the design product: for suction and discharge of chemical agents. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.