1307 results about "Hazardous waste" patented technology

The invention discloses an intelligent warehouse management method and system for hazardous wastes, and the method comprises the steps: carrying out the real-time monitoring of the state of an object in a hazardous waste warehouse through a deployment sensor network, obtaining the basic data of the position of the object and the environment parameter, and transmitting the basic data to a central processing platform, thereby obtaining a preliminary data set; performing integration processing on multi-source information by adopting a data fusion technology according to the preliminary data set, eliminating redundancy and noise, and determining a standardized data record; aiming at the standardized data record, dynamically analyzing the distribution of goods locations in the warehouse by utilizing a path optimization algorithm, and if the change of the occupation state of the goods locations is detected, adjusting a goods location allocation scheme in real time, and outputting an optimal storage location combination; according to the optimal storage position combination, a dynamic route planning scheme is generated in combination with warehouse layout information, and the optimal moving track of the operation equipment is obtained; according to the invention, intelligent management of the hazardous waste warehouse is realized, and the storage efficiency and safety are improved.

The invention relates to a high-strength stable solid waste-based composite cementing material and a preparation method and application thereof in the field of building materials. The high-strength stable solid waste-based composite cementing material is prepared from the following raw materials in parts by weight: 70-85 parts of composite solid waste micro powder; 10 to 20 parts of Portland cement clinker; 3-8 parts of a composite activator; 0.5 to 2 parts of a nano-scale function regulator; wherein the composite solid waste micro powder is prepared by mixing and grinding the following raw materials in parts by weight: 40-60 parts of blast furnace slag powder; 20 to 30 parts of fly ash; 10-20 parts of chemically modified electrolytic manganese residue powder; and 5-15 parts of steel slag powder. According to the preparation method, sodium metasilicate is adopted to assist medium-temperature calcination to chemically modify the electrolytic manganese residues, so that not only is the gelation activity of the electrolytic manganese residues effectively excited, but also free-state manganese, cadmium and other heavy metal ions in the electrolytic manganese residues are fixed in situ in newly formed zeolite-like silicate mineral lattices through thermochemical reconstruction; and a brand new technical path is opened up for safe and high-value utilization of the typical hazardous waste, namely the electrolytic manganese residues.

The invention belongs to the technical field of tungsten smelting, and particularly discloses a method for recycling tungsten from tungsten smelting soda boiling slag through reselection, tungsten in the slag is recycled through a physical mineral separation method, a large number of acid-base reagents are not introduced, acid-base wastewater is not generated, and high-energy-consumption roasting or high-temperature acid-base leaching is not needed. The process is simple, large-scale treatment can be achieved, reagent consumption is low, energy consumption is low, closed-loop circulation of mineral separation water can be achieved, no wastewater is discharged, the process is environmentally friendly and free of pollution risks, meanwhile, indexes of the soda boiling residues subjected to innocent treatment can reach industrial solid waste, hazardous waste is converted into common solid waste, and the economic benefit is high. The environment-friendly treatment cost is low.

The invention discloses an intelligent prediction and scheduling management system based on hazardous waste incineration waste heat recovery power generation, relates to the technical field of hazardous waste incineration waste heat recovery power generation, and aims to monitor key parameters such as temperature, pressure, flow and flue gas components in the hazardous waste incineration process in real time, and determine the hazardous waste incineration waste heat recovery power generation through data processing and feature extraction. And the hazardous waste incineration heat value, the waste heat boiler steam production amount and the power generation amount are accurately predicted. Meanwhile, the system combines power grid load change and price fluctuation, realizes intelligent regulation and control of equipment operation and maximization of waste heat recovery efficiency and generating capacity through an optimization scheduling algorithm, can improve energy recovery efficiency to the maximum extent, reduces energy waste, improves economic benefits and environmental sustainability of the system, and has wide application prospects. The power generation benefit can be improved in the field of hazardous waste incineration, and reference can be provided for other industrial waste heat recovery power generation systems.

The invention discloses an emission reduction system for chloride ions in waste incineration fly ash based on machine learning, relates to the technical field of solid waste resourceful treatment, is used for data-driven fly ash multi-stage dosing collaborative removal, and is divided into fly ash pretreatment and data acquisition, online ion monitoring and dosing decision, multi-stage reaction and dynamic feedback, OTA upgrading and cross-plant migration. And removing the multi-dimensional pollutants synergistically. The dosing ratio and the reaction stage are optimized in real time through a gradient boosting tree-reinforcement learning model, and the concentrations of chloride ions, heavy metals and dioxin precursors are monitored on line. According to the system, monitoring and decision-making paths of all stages are stored in a cloud knowledge graph and can be upgraded through OTA, the chloride ion removal rate is increased by more than three percent, the agent dosage is reduced by 25%, the scheme can adapt to the difference of fly ash components in different factories, economy and environmental protection are both considered, and the system has remarkable popularization value in large-scale waste incineration and hazardous waste disposal.

The utility model specifically discloses an odor wet oxidation treatment device, which comprises: a gas conveying unit, which is used for collecting and conveying odor gas; the wet-type catalytic ozonation unit is communicated with the gas conveying unit and is used for carrying out primary treatment on the malodorous gas so as to remove part of malodorous substances in the malodorous gas; the chemical oxidation unit is communicated with the wet-type catalytic ozonation unit and is used for further treating the malodorous gas subjected to primary treatment so as to remove residual malodorous substances in the malodorous gas; and the gas discharge unit is communicated with the chemical oxidation unit and is used for collecting the purified malodorous gas and discharging the malodorous gas outwards. According to the device, the wet ozone catalysis unit and the chemical oxidation unit are coupled, so that water-soluble and water-insoluble components in the malodorous substances can be effectively treated, and the device is small in occupied area and does not generate hazardous wastes. Therefore, the device has the characteristics of low cost and small pollution, and can better adapt to subsequent treatment of malodorous gas in industrial enterprises.

The invention provides a cyclic utilization method of chelated landfill waste fly ash, and belongs to the technical field of household waste fly ash utilization. The cyclic utilization method of the chelated landfill fly ash comprises the following steps: S1, collecting the chelated landfill fly ash, crushing the chelated landfill fly ash to a certain particle size, and adding an acid solvent for dechlorination and decalcification treatment; washing the pretreated fly ash with water, and drying until the water content is 5-20%; s2, an additive is added into the dehydrated pretreated fly ash, the additive comprises a binder, a combustible matter and a combustion improver, and the mixture is pressed into balls after being evenly mixed; through the synergistic effect of acid pickling and high-temperature calcination, the degradation rate of dioxin in the fly ash reaches up to 99.89%, meanwhile, the leaching concentration of heavy metal is reduced to be lower than the standard limit value of hazardous waste, the problems of land occupation and secondary pollution of a traditional landfill method are solved, and long-term harm of hazardous waste to the environment is reduced through recycling of the fly ash; and the solid waste treatment principle of reduction, harmlessness and recycling is met.

The invention relates to the technical field of hazardous waste supervision, in particular to a hazardous waste supervision method and system based on multi-source data fusion, and the method comprises the steps: confirming a to-be-supervised hazardous waste set and an RFID tag set, marking the to-be-supervised hazardous waste set through the RFID tag set, obtaining a marked hazardous waste set, and storing the marked hazardous waste set in a database; sequentially extracting identified hazardous wastes from the identified hazardous waste set, and executing the following operations on the extracted identified hazardous wastes: obtaining a transportation video, a waste transportation track, a waste weight parameter and an environment monitoring parameter set, and summarizing the transportation video, the waste transportation track, the waste weight parameter and the environment monitoring parameter set; the method comprises the steps of obtaining hazardous waste multi-source data, obtaining a risk diagnosis report, formulating early warning measures, summarizing the early warning measures, obtaining an early warning measure set corresponding to an identification hazardous waste set, and completing hazardous waste supervision based on multi-source data fusion based on the early warning measure set. According to the invention, the comprehensiveness, accuracy and intelligent level of hazardous waste supervision can be improved.

The invention relates to the technical field of household garbage treatment, in particular to a rural household garbage classification and resourceful treatment circulation system, which comprises straw, harmful garbage, recyclable garbage, kitchen garbage, large household garbage and sludge; the rural household garbage treatment system comprises a household garbage classification system, a household garbage pyrolysis treatment system, a household garbage recycling treatment system, a harmful garbage recycling treatment system, a kitchen garbage recycling treatment system, a large household garbage classification recycling treatment system and a sludge recycling treatment system. By means of a centralized treatment mode of the rural domestic garbage, the problem that landfill of the rural domestic garbage is difficult is solved, corresponding economic value is brought to the rural area, the idea of waste utilization, circular economy, energy conservation and emission reduction is achieved, the rural environment is better, and the economic benefit of the rural area is improved. And a solid foundation is laid for creating a high-quality living environment in rural areas.

The invention discloses a method and a device for treating soil heavy metal pollutants by an electroosmosis technology, and relates to the technical field of soil pollution treatment and remediation, and the method comprises the following steps: constructing an electroosmosis system, a liquid injection system and a pumping drainage system; liquid injection and pumping drainage are conducted, electroosmosis enhancer liquid medicine is injected into the soil, and meanwhile the liquid is pumped drainage till the concentration of the electroosmosis enhancer in the pumped drainage liquid reaches the preset requirement; soaking and electroosmosis are carried out; sampling detection is conducted, and liquid pumping sampling is conducted on the soil in the to-be-treated area till the pollutant residual concentration meets the preset requirement; water injection and pumping drainage are conducted, clear water is injected into the soil, meanwhile, liquid is pumped drainage, and soil treatment is finished until the concentration of the electroosmosis enhancer in the pumped drainage liquid is smaller than or equal to the preset concentration limit value. According to the method, a proper amount of electroosmosis enhancer liquid medicine is injected, heavy metal pollutants are dissociated through the electroosmosis effect and pumped and discharged to the hazardous waste pool, and heavy metal in soil is efficiently and reliably reduced.

This invention belongs to the field of wastewater treatment technology, specifically relating to a method for removing metallic impurities from acidic copper-containing etching wastewater at room temperature and pressure. The method includes the following steps: S1, adding an oxidant to the acidic copper-containing etching wastewater to conduct an oxidation-reduction reaction, obtaining a pretreatment solution; S2, adding phosphoric acid or soluble phosphate to the pretreatment solution, adjusting the pH to 1.3-1.7 using a pH adjuster, stirring, and filtering to obtain a purified copper-containing solution. The method provided by this invention achieves high removal rates for Fe, Ni, Zn, Ca, and Mg, while maintaining a high copper ion content. It can recycle and regenerate high-purity copper salt products for application in food, cosmetics, medical, electroplating, and other fields, while also reducing hazardous waste generation, improving economic efficiency, and significantly reducing costs.

The invention relates to the technical field of environmental monitoring of artificial intelligence, and particularly discloses a dangerous waste storage environment real-time monitoring and risk early warning system based on digital twinning, which collects multi-modal environmental data in real time through an intelligent sensor network deployed in a dangerous waste storage facility, and constructs a digital twinning model synchronized with a physical entity; a multi-modal data fusion and physical embedding technology is adopted, and virtual risk parameters of an area which is not actually measured are calculated based on an environment evolution rule; an abnormal association mode between the measured data and the virtual risk parameters is analyzed and identified through the dynamic association network, and risk level judgment and early warning signal triggering are achieved; a sensor monitoring strategy is dynamically adjusted according to an early warning result to form closed-loop management and control; according to the invention, the sensor limitation of the traditional monitoring system is broken through, the advanced accurate early warning of the hidden risk is realized, and the monitoring efficiency is obviously improved through adaptive resource configuration.

The invention discloses gamma-butyrolactone single-tower rectification equipment and a treatment process thereof, and relates to the technical field of gamma-butyrolactone preparation.The gamma-butyrolactone single-tower rectification equipment comprises a feeding pump, a rectification tower, a first cooler, a second cooler, a hazardous waste storage tank, a finished product storage tank and a vacuum pump, the rectification tower comprises a tower shell, and tower plates are evenly arranged in the tower shell in the height direction; an overflow weir is arranged on one side of the tower plate, and a downflow plate is connected below the overflow weir; bubble cap assemblies are uniformly distributed above the tower plate, and each bubble cap assembly comprises a breather pipe, a rotary steam distribution component and a cyclone structure; the bottom end of the ventilation pipe is fixed at the top of the tower plate and forms a ventilation channel penetrating through the tower plate; the top end of the ventilation pipe is higher than the highest point of the overflow weir. Through structural innovation and process optimization, high purity of the product is guaranteed, energy consumption and material consumption are reduced, high efficiency, intelligence and environmental friendliness are achieved, and an advanced solution is provided for rectification production of gamma-butyrolactone.

The invention discloses hazardous waste-containing sludge solidification mixing equipment which comprises a stirring box and two stirring shafts located in the stirring box, and a first stirring blade, a second stirring blade, a third stirring blade and a fourth stirring blade are rotationally connected to rotating cylinders of the stirring shafts respectively; a first adjusting rod, a second adjusting rod, a third adjusting rod and a fourth adjusting rod which are coaxial are arranged in the rotating cylinder, the first stirring blade is connected with the first adjusting rod through a first connecting structure, the second stirring blade is connected with the second adjusting rod through a second connecting structure, and the third stirring blade is connected with the third adjusting rod through a third connecting structure. The fourth stirring blade is connected with a fourth adjusting rod through a fourth connecting structure, the angle change of the stirring blade can be formed by moving the adjusting rod, the angle of the stirring blade on the stirring shaft of the sludge solidification mixing equipment can be adjusted, so that different stirring modes are formed, and the stirring requirements of different sludge-solidification agent systems are met.

The invention discloses a resource utilization method of Fenton iron mud. According to the method, a citric acid-ascorbic acid composite solution is used for soaking Fenton iron mud, hydrothermal liquefaction is carried out in an inert reduction system, ferric iron is reduced into ferrous iron, and a ferrous iron solution generated after reaction can directly form a Fenton reagent with hydrogen peroxide to be reused for Fenton reaction. By the adoption of the method, iron can be completely recycled, resource utilization of the Fenton iron mud is facilitated, the mass of the treated filter residues is only 1 / 10 of that of the iron mud, and the disposal amount of hazardous waste is effectively reduced.

The invention relates to the technical field of high-temperature decomposition devices, in particular to a hazardous waste high-temperature decomposition device and process. According to the technical scheme, the device comprises a base, an incineration barrel, a material barrel, a spraying box, a purifying box, a first pump shell, a second pump shell and a motor, an annular base is arranged above the base, a first pump shaft is rotationally installed in the first pump shell, the outer wall of the first pump shaft is sleeved with a first impeller rotationally installed with the first pump shell, and a second pump shaft is rotationally installed in the second pump shell; the outer wall of the first pump shaft is sleeved with a second impeller, the outer wall of the first pump shaft and the outer wall of the second pump shaft are sleeved with synchronous wheels, the outer walls of the synchronous wheels are rotationally sleeved with synchronous belts, the output end of the motor is sleeved with a driving wheel, the outer wall of the first pump shaft is sleeved with a driven wheel, and the outer walls of the driving wheel and the driven wheel are sleeved with driving belts. The motor drives the incineration cylinder to rotate, the material pushing plate pushes materials, liquid medicine is sucked and sprayed, flue gas after liquid medicine treatment is dried, multi-structure linkage use is achieved, and use of electrical equipment is reduced.

The invention discloses a hazardous waste disposal traceability management system and method based on a block chain, and relates to the technical field of block chains. The system comprises a data integration module, a risk dimension evaluation module, a risk level analysis module and a real-time management and control module. The data integration module collects hazardous waste full life cycle data and uploads the data to the block chain, and a mapping relation table is established; the risk dimension assessment module analyzes the data chain to identify a full-link state and generate a multi-dimensional risk assessment parameter; the risk level analysis module calculates risk indexes in combination with the state matrix, and divides high, medium and low risk levels; and the real-time management and control module monitors the real-time data of the current link, judges the risk controllability, adjusts the processing strategy, and updates the block chain data. According to the invention, real-time traceability and dynamic management and control of hazardous waste disposal whole-process risks are realized, and the comprehensiveness and timeliness of risk assessment are improved.

The invention relates to a high-gloss black decorative glass prepared from sludge incineration ash by an all-electric melting method. The high-gloss black decorative glass comprises the following raw material components in percentage by mass: 75-79% of fly ash, 5-7% of calcium carbonate, 9-10% of sodium carbonate, 5-6% of potassium alkali, 1-1.4% of boric acid, 0.03-0.04% of porous carbon, 0.06-0.08% of semi-coke powder, 0.16-0.22% of cobaltosic oxide, 0.1-0.2% of cerium dioxide, 0.04-0.06% of neodymium oxide, 0.5-0.7% of waste zircon brick powder and 0.03-0.05% of yttrium oxide. The dedusting ash is electrostatic dedusting ash collected by incineration of filtered sludge in a municipal sewage treatment plant, and belongs to hazardous waste; the porous carbon is rich in a hierarchical pore structure of sub-nano pores (0.5-1.0 nm). According to the method, a closed-loop production mode that waste is used for treating waste is constructed, high-added-value decorative materials are produced while energy consumption is reduced, and environmental protection investment is converted into economic benefits.

The utility model discloses a phenol water recovery system of a two-section type gas producer. The phenol water recovery system comprises a gas producer, a phenol water superheater, a phenol water boiler and a gas cooler. According to the phenol water recovery system of the gas producer at the two ends, the phenol water in the gas can be recovered, the sensible heat of the gas at the lower section is used for heating the phenol water to form phenol water vapor, the phenol water vapor and a gasifying agent are heated together, and the phenol water vapor is introduced into the gas producer through the first gasifying agent inlet and the second gasifying agent inlet; the superheat degree of water vapor in the gasifying agent is high, so that phenol is prevented from being brought into ash slag through condensation of the water vapor, the ash slag is prevented from being changed into hazardous waste, the problem of wastewater treatment is thoroughly solved, sensible heat of lower-section coal gas is fully utilized, energy waste is avoided, and the heat efficiency is improved.

The invention relates to the technical field of sewage treatment, and discloses an energy-saving and environment-friendly treatment method for sewage generated by a spinning electrostatic deoiling device. The method comprises the following steps: performing oil separation pretreatment on the oily agent wastewater, and treating in a pH adjusting tank in two stages: in the first stage, adjusting the pH value to 9-10, and adding polyaluminum chloride while quickly stirring; and in the second stage, the pH is further adjusted to 11-12, polyacrylamide is added with slow stirring, and finally, standing, precipitation and separation are performed. According to the method, the pollutant removal efficiency is remarkably improved and the COD (Chemical Oxygen Demand) removal rate is high by accurately regulating and controlling the pH value, adding the flocculating agent in batches and controlling the stirring speed. Meanwhile, compared with a traditional process, consumption of a large amount of acid and alkali is avoided, generation of hazardous waste such as sludge is reduced, the dosage of a flocculating agent and the treatment cost are reduced, and the efficient, economical and environment-friendly sewage treatment target is achieved.

The invention belongs to the technical field of liquid hazardous waste treatment, and particularly relates to a process for harmlessly treating liquid hazardous waste by using a cement kiln, which comprises the following steps: S1, conveying pretreated liquid hazardous waste to a temporary storage device by using a pumping device; s2, the liquid hazardous waste is temporarily stored and homogenized in the cache device; s3, the materials discharged from the temporary storage device are divided into four branches, four atomizing gun heads are evenly distributed in the same horizontal plane of the decomposing furnace, and the materials in the four branches are atomized through the four atomizing gun heads; and S4, atomizing the materials in the four branches, spraying the atomized materials into the decomposing furnace, and enabling the atomized liquid hazardous waste to be in full contact with high-temperature gas in the decomposing furnace and to be quickly combusted. The method does not affect the yield and quality of the cement kiln, can improve the disposal amount of the liquid hazardous waste, and achieves the effect of replacing a large amount of fire coal.

The invention belongs to the technical field of wastewater treatment, and particularly relates to a method for removing metal impurities from acidic copper-containing etching wastewater at normal temperature and pressure. The method for removing the metal impurities from the acidic copper-containing etching wastewater at normal temperature and pressure comprises the following steps: S1, adding an oxidizing agent into the acidic copper-containing etching wastewater to carry out oxidation-reduction reaction to obtain a pretreatment solution; and S2, phosphoric acid or soluble phosphate is added into the pretreatment solution, the pH is adjusted to 1.3-1.7 through a pH adjusting agent, stirring and filtering are conducted, and the purified copper-containing solution is obtained. According to the method, the removal rate of Fe, Ni, Zn, Ca and Mg is high, high-content copper ions can be kept, a high-purity copper salt product can be recycled and regenerated to be applied to the fields of food, cosmetics, medical treatment, electroplating and the like, hazardous waste can be reduced, economic benefits are improved, and cost is greatly reduced.

The invention belongs to the technical field of solid waste treatment, and particularly relates to a hazardous waste landfill waste gas treatment system which comprises a collection unit, a pretreatment unit, a drying unit, a separation unit, an adsorption unit and a leaching unit. The outlet of the separation unit comprises an acidic waste gas outlet and a non-acidic waste gas outlet, the acidic waste gas outlet is communicated with the inlet of the leaching unit, the outlet of the leaching unit is communicated with the adsorption unit, and the other waste gas outlets are communicated with the adsorption unit. According to the invention, the treatment system is redesigned, and the separation unit is added to separate the waste gas and then carry out corresponding treatment, so that the treatment efficiency is improved, and the equipment operation cost is reduced.

The invention relates to the technical field of bag-type dust removers, in particular to a bag-type dust remover in a hazardous waste incineration system, the bag-type dust remover comprises a shell and a filter bag assembly, the shell is provided with two air chambers which are communicated with each other, and an air inlet and an air outlet which respectively correspond to the positions of the two air chambers; the filter bag assembly is arranged at the communicating part of the two air chambers and used for filtering air, the filter bag assembly comprises a filter bag and a screen frame used for supporting the filter bag, the screen frame is provided with a first end part and an annular side part composed of a plurality of elastic supporting strips, and the annular side part is provided with a first opening and a second opening which are opposite to each other; the first opening is fixed at the communicating part of the two air chambers, the second opening is fixedly provided with a first end part, the filter bag is sleeved outside the annular side part, and two ends of the filter bag are respectively fixed with the first end part and the communicating part. The inner side of the filter bag can be effectively supported during flue gas purification, and when caked dust is attached to the outer side of the filter bag, the caked dust on the outer side of the filter bag can be rapidly removed.

The invention discloses a method for in-situ synthesis of a hydrogen type hierarchical pore ZSM-5 molecular sieve from binary ash, which comprises the following steps: firstly, mixing aluminum ash, water and fly ash according to a certain proportion, and desalting to obtain binary ash; mixing the binary ash, a pore-enlarging agent and inorganic acid to prepare silicon-aluminum sol; then, mixing the silica-alumina sol with a structure-directing agent, aging, crystallizing, washing, drying and roasting to obtain sodium type hierarchical pore ZSM-5; and finally, mixing the sodium-type hierarchical pore ZSM-5 molecular sieve with ammonium salt, washing and drying to obtain the hydrogen-type hierarchical pore ZSM-5 molecular sieve. The performance of the prepared hydrogen-type hierarchical pore ZSM-5 molecular sieve is equivalent to that of a molecular sieve prepared from a traditional aluminum-silicon source, the external specific surface area reaches up to 650 m < 2 > / g, the mesoporous volume reaches 0.65 m < 3 > / g or above, resource utilization of solid waste and hazardous waste is achieved, environmental pollution is reduced, and the synthesis cost of the hydrogen-type hierarchical pore ZSM-5 molecular sieve is reduced.

The invention relates to a method for recovering lithium and fluorine from aluminum electrolysis hazardous waste, which comprises the following steps: firstly, mixing organic polyol and alkaline hydroxide according to a molar ratio of 1: (0.5-2) to obtain a eutectic solvent; heating the eutectic solvent to 80-150 DEG C, and adding a proper amount of raw material fine powder and calcium oxide for reaction leaching; carbonating and filtering the leachate to obtain lithium carbonate; washing the leaching residues with an acetic acid solution to obtain a calcium fluoride product; the concentration of fluorine ions in the leachate is smaller than or equal to 200 ppm, and the purity of calcium fluoride is larger than or equal to 90%; the leaching rate of lithium in the method is greater than 85%; the slag feeding rate of fluorine is greater than 95%; and no hydrogen fluoride gas is generated in the method. According to the method, a non-toxic and biodegradable eutectic solvent is adopted as a leaching agent, and efficient leaching of lithium and fluorine in the aluminum electrolysis dangerous waste materials is achieved; calcium oxide is used as a precipitating agent, free fluorine is promoted to be precipitated and recycled as calcium fluoride, the whole process meets the requirement of green metallurgy, and the win-win situation of resources and the environment is achieved.

The invention discloses an industrial dangerous waste liquid treatment whole-process intelligent control method and system based on digital twinning, and relates to the technical field of intelligent control, and the method can recognize the sudden change trend of a liquid level and bubbles in real time through a tension field twinning mapping prediction model and the calculation of a bubble form volatilization unsteady state index. Based on a standard data set collected in real time, when the liquid level has an abnormal sudden change trend, early warning can be performed in advance, and a linkage control strategy is automatically triggered. For example, when the liquid level sudden change pre-judgment index R exceeds a safety threshold value, bubble evaporation twinborn prediction is automatically triggered, and control means such as stirring speed reduction and condensation temperature adjustment are executed. According to the intelligent control based on digital twinning and twinning feedback, the reaction environment in the waste liquid treatment process can be accurately controlled, the risk that the reaction is out of control is greatly reduced, lagging reaction and misoperation in a traditional method are avoided, and continuous and stable reaction process is ensured.

The invention is suitable for the technical field of transfer equipment, and provides automatic transfer equipment for hazardous waste loading and unloading. The supporting part comprises a fixing sleeve; a plurality of fixing frames are uniformly fixed on the peripheral side surface of the fixing sleeve; an L-shaped supporting plate is fixed to the bottom of the fixing frame. A clamping roller matched with the hazardous waste barrel is arranged on the inner circumferential side face of the fixing frame in a sliding mode. An arc-shaped groove coaxial with the fixing sleeve is formed in the side surface of the fixing frame; guide parts matched with the clamping rollers are rotationally arranged between the arc-shaped grooves. The side face of the L-shaped supporting plate is slidably provided with a rolling part in threaded running fit with the lead screw. According to the device, through linkage cooperation of all the parts, synchronous moving and approaching of all the clamping rollers are achieved till the hazardous waste barrel is clamped and fixed, all the rolling parts descend to lift the supporting parts and the clamped hazardous waste barrel, the hazardous waste barrel is conveniently transferred, and the transferring efficiency of the hazardous waste barrel is improved.

A wastewater recycling device for a hydrogen fluoride production line is characterized in that a water outlet of a recycling water tank is connected to a spiral humidifying distributor through a connecting pipeline, the recycling water tank is sequentially provided with a primary reaction tank, a primary sedimentation tank, a secondary reaction tank, a secondary sedimentation tank and a fluorine removal agent adding tank from top to bottom, the primary reaction tank is located at a water inlet of the recycling water tank, and the secondary reaction tank is located at a water outlet of the recycling water tank. The first-stage reaction tank is communicated with the first-stage sedimentation tank, the first-stage sedimentation tank is communicated with the second-stage reaction tank, the second-stage reaction tank is communicated with the second-stage sedimentation tank, and the second-stage sedimentation tank is connected with the spiral humidification distributor through the fluorine removal agent adding tank. The wastewater recycling device for the hydrogen fluoride production line has the beneficial effects that the wastewater recycling device for the hydrogen fluoride production line can realize all recycling of production wastewater of hydrogen fluoride production enterprises, not only solves the problems that gypsum slag is easy to raise dust in the loading process due to high temperature and small granularity and dangerous wastes are avoided, but also realizes zero discharge of the production wastewater of the hydrogen fluoride production enterprises; and the unorganized emission of dust is reduced.

The invention discloses a supercritical water oxidation reactor for treating organic hazardous waste generated by nuclear power operation and maintenance, the supercritical water oxidation reactor comprises a shell, an inner cylinder, a cooling system and a heating device, the inner cylinder is installed in the shell, the inner side space of the inner cylinder is a reaction zone and a quenching zone, the space between the outer wall of the inner cylinder and the inner wall of the shell is a cooling jacket, and the cooling jacket is connected with the cooling system. The heating device is arranged on the outer wall of the shell relative to the upper section of the reaction section, reaction inlets are formed in the top of the shell, reaction outlets are formed in the bottom of the shell, and the reaction inlets comprise a reactant inlet and an oxidant inlet.