111results about How to "High operating costs" patented technology

The invention discloses a large model question answering method and device based on a cache mechanism, a storage medium and equipment, and the method comprises the steps: receiving question description information inputted by a target question initiator, and querying whether first answer information matched with the question description information exists in a corresponding trust domain cache of the target question initiator; if the first answer information matched with the question description information exists in the trusted domain cache, performing answer feedback to the target question initiator based on the first answer information; and if the first answer information matched with the question description information does not exist in the trusted domain cache, calling a large model to generate second answer information corresponding to the question description information, and performing answer feedback to the target question initiator based on the second answer information, and associating the question description information with the second answer information and then storing the question description information and the second answer information in the trusted domain cache. And the response efficiency can be improved.

The invention relates to the field of town sewage treatment, in particular to a town sewage carbon-nitrogen-phosphorus synergistic advanced treatment method based on biological manganese oxide. The method comprises the following steps: S1, configuring an upward flow denitrification filter tank; s2, a starting stage: taking a mixed solution of secondary effluent and secondary influent water of an actual town sewage treatment plant and manganese sulfate as influent water of a denitrification filter tank with the manganese concentration of 3.0 mg / L, inoculating hydrolytic acidification bacteria, denitrifying bacteria, anaerobic ammonium oxidation bacteria and manganese oxidation bacteria into the denitrification filter tank, and gradually increasing the ratio of the secondary influent water to the secondary effluent water in the mixed solution to 3%; s3, a stable stage: taking a mixed solution of secondary effluent and secondary inlet water of an actual town sewage treatment plant and manganese sulfate as inlet water of the denitrification filter tank, controlling the manganese concentration to be 3.0 mg / L, controlling the hydraulic retention time to be 3-4 hours, and controlling the backwashing period to be 9-11 days. The method can synchronously and efficiently remove carbon, nitrogen and phosphorus in the secondary effluent of the actual town sewage treatment plant at low cost.

The invention relates to an oilfield underground slow-release scale and corrosion inhibitor and a production process thereof, and aims to solve the problems of scaling and corrosion caused by water injection in the oilfield exploitation process. According to the scale and corrosion inhibitor, various components such as the inorganic salt, the organic corrosion inhibitor and the natural plant extract are compounded, and a production process is combined, so that excellent properties such as long-acting slow release, efficient scale and corrosion inhibition, sterilization and algae removal, environmental protection and degradability are realized. The production process comprises the steps of raw material preparation, mixing reaction, melting homogenization, cooling forming, annealing treatment and the like, and stable performance and reliable quality of the scale and corrosion inhibitor are ensured by controlling process parameters of each step. The scale and corrosion inhibitor disclosed by the invention has obvious long-term effect, the workload of frequent addition and maintenance can be reduced, and the production cost is reduced; the environment-friendly and degradable characteristics meet the modern environment-friendly requirements, and the ecological environment can be protected. In addition, the scale and corrosion inhibitor has good adaptability and can adapt to different oil field geological conditions and fluid property differences.

The invention relates to the technical field of water treatment, and discloses a water treatment dosing online control method and system based on turbidity detection, and the method comprises the following steps: dividing chemical sewage treatment into different stages according to water quality distribution characteristics, and optimizing the dosing path of each stage based on real-time water quality data, dynamically adjusting the initial dosage of each stage; constructing a game theory model based on the dosing nodes and solving a Nash equilibrium point to obtain the dosage of each stage after optimization; based on the optimized dosage of each stage, controlling each dosing node to perform dosing treatment; and acquiring real-time water quality data of the water outlet subjected to dosing treatment, and dynamically optimizing parameters of the game theory model according to a comparison result of the real-time water quality data and the target water quality data. The problems of low efficiency, insufficient global optimization, poor dynamic adaptability, high operation cost and the like in traditional water treatment dosing control can be effectively solved, and the comprehensive improvement of the water quality treatment effect and the operation cost is realized.

The invention discloses an underwater inspection robot with an underwater net cage damage position indicating device. The indicating device mainly comprises an upper clamping jaw and a lower clamping jaw, the first locking mechanism is used for keeping the lower clamping jaw and the upper clamping jaw in an open state; the second locking mechanism is used for keeping the lower clamping jaw and the upper clamping jaw in a clamping state when the first locking mechanism is unlocked; a buoy, a connecting wire and a wire coil; the third locking mechanism is used for fixing the wire coil relative to the mounting seat when the first locking mechanism enables the lower clamping jaw and the upper clamping jaw to be kept in an open state; during use, when the underwater inspection robot finds a damaged part of the underwater net cage, the first locking mechanism is unlocked, the second locking mechanism enables the lower clamping jaw and the upper clamping jaw to keep a clamping state, the third locking mechanism is unlocked, the connecting wire is released from the wire coil under the buoyancy action of the buoy, and finally the buoy emerges from the water surface. The damage position can be accurately marked, and manual repair can be conveniently guided in time.

The invention discloses a treatment process of photovoltaic cell production wastewater, and relates to the technical field of industrial wastewater treatment. Comprising the following steps: treating dilute acid and dilute alkali through a reclaimed water recovery membrane system to obtain first produced water and reclaimed water concentrated water; treating the concentrated acid wastewater and the reclaimed concentrated water through a fluorine-calcium crystallization system to obtain defluorinated concentrated water and calcium fluoride crystals; treating the RO concentrated water and the defluorinated concentrated water by a hardness removal recycling system to obtain hardness-removed concentrated water and second produced water; treating the concentrated alkali wastewater through an alkali recovery membrane system to obtain purified alkali and alkali-removed concentrated water; hardness-removed concentrated water and alkali-removed concentrated water are treated by a comprehensive physicochemical system, and then are sequentially treated by a high-power concentration membrane system and a zero-discharge crystallization system to obtain solid wastes. The photovoltaic cell production wastewater treatment process provided by the invention achieves an economical and feasible zero-emission solution.

The deep-sea mining trolley comprises a trolley body, a floating assembly, an adjusting assembly and a collecting assembly, the trolley body is suitable for moving in the seabed, the floating assembly is arranged on the trolley body and connected with the trolley body, the floating assembly is used for providing buoyancy for the trolley body, and the adjusting assembly is arranged on the trolley body and connected with the collecting assembly. The adjusting assembly is used for adjusting the posture and position of the vehicle body, the collecting assembly comprises a mounting frame, a crushing part, a spraying part and a collecting part, the mounting frame is arranged on the vehicle body and can rotate around the width direction of the vehicle body relative to the vehicle body, and the crushing part is arranged on the mounting frame and can rotate around the width direction of the vehicle body relative to the mounting frame; the spraying part and the collecting part are both arranged on the mounting frame, the collecting part is used for collecting the crushed seabed sediments, and the spraying part is used for spraying the crushed seabed sediments so that the crushed seabed sediments can be flushed into the collecting part, and the collecting part can conveniently collect the crushed seabed sediments. The deep-sea mining trolley has the advantages of being simple in structure, high in collection efficiency and the like.

The invention discloses an explosion-proof motor for an underground coal mine, and relates to the technical field of explosion-proof motors, and the explosion-proof motor comprises a housing, the outer wall of the housing is fixedly connected with a plurality of short fins at equal intervals, the inner wall of the housing is fixedly connected with a stator around the circumference, and the inner wall of the center of the housing is rotatably connected with a rotating shaft. Through vertical separation of the flow guide plate and flow guide of concave arc faces on the two sides, the resistance of hot air shunting to the two sides can be reduced, after the hot air enters the ventilation cavity, the heat dissipation area is increased under the flat arrangement of the hot air, and heat on the surface of the ventilation cavity is rapidly guided out through cooperation of the unfolded first fins, the unfolded second fins and the unfolded third fins, so that the heat dissipation efficiency is improved. The temperature exchange rate can be increased through double heat conduction, hot air in the ventilation cavity can be rapidly cooled, airflow and temperature on the two sides can be balanced, the stability of the system is improved, the equipment temperature can be reduced through good heat dissipation, and electric sparks caused by overheating are reduced.

A novel flue gas recycling system for four cooling sections of a circular cooler comprises the first cooling section, a first cooling fan, a second cooling section, a second cooling fan, a third cooling section, a third cooling fan, the fourth cooling section and a cooling pipeline of the circular cooler. The first cooling section, the second cooling section, the third cooling section and the fourth cooling section are distributed in the circumferential direction and connected into a continuous cooling loop through an overall rotary frame. The first cooling section, the second cooling section and the third cooling section are respectively connected with a first cooling fan, a second cooling fan and a third cooling fan; the fourth cooling section is connected with a cooling pipeline; and the second cooling fan extracts flue gas of the fourth cooling section of the circular cooler through the cooling pipeline and blows the flue gas into the second cooling section of the circular cooler to cool pellets. According to the novel flue gas recycling system for the four cooling sections of the circular cooler, a fourth cooling fan is omitted in the hot air process of the circular cooler, waste gas of the four cooling sections is extracted through a second cooling fan to cool pellets, the flue gas recycling efficiency is improved, and the cost is saved.

The invention relates to a virtual power plant optimal scheduling method considering load demand response under a stepped carbon transaction mechanism, belongs to the technical field of power system operation and control, and provides a virtual power plant optimal scheduling method integrating stepped carbon transaction LTCT and load demand response DR in a virtual power plant aiming at the defects of a traditional power generation mode and the problem of energy shortage. A virtual power plant model containing wind power, a gas-fired boiler, cogeneration equipment and the like is constructed, and optimal scheduling is realized by taking total cost minimization as a target and combining constraint conditions such as electric power, thermal power and natural gas balance; a price-based DR model including a reducible load and a transferable load and an LTCT model are also established, and the effectiveness of the model is verified through example simulation; according to the method, the operation potential of the VPP in a low-carbon economic environment is effectively verified, the flexibility of a power system is remarkably improved, the comprehensive operation cost and the carbon emission are reduced, and the method has important significance in promoting low-carbon economic development and is beneficial to promoting low-carbon economic and social development.

The invention discloses a full-automatic line-feed intelligent photovoltaic panel cleaning robot, which belongs to the technical field of photovoltaic panel cleaning, and comprises a support frame, a crawler walking mechanism is arranged on the support frame, auxiliary wheels are arranged at positions, close to two ends, of the bottom of the support frame, and a brush mechanism, a dust collection mechanism and a cleaning mechanism are arranged in the support frame. The system further comprises a line-feed carrier. According to the invention, automatic line feed of the cleaning robot is realized through the line feed carrier, and the line feed carrier can be used for continuous cleaning work of the surfaces of photovoltaic panels which are arranged side by side and obliquely mounted; dirt and accumulated snow attached to the photovoltaic panel are removed, the light transmittance is improved, and the power generation efficiency is improved; through regular cleaning, the photovoltaic panel is kept clean and stable in operation, the maintenance cost is reduced, and the service life is prolonged; dust, soil dust and other sundries are collected through the dust collecting mechanism, and local flying dust pollution can be avoided; and the 4G networking controller is arranged in the equipment, so that a user can control the machine to operate on a webpage end or a mobile phone APP, and the operation cost is reduced.

The invention discloses a method for treating high-salt and high-concentration landfill leachate by using a microbial agent, and the process flow for treating the high-salt and high-concentration landfill leachate comprises pretreatment, MBR (Membrane Bioreactor), UF (Ultra Frequency) and RO (Reverse Osmosis), the microbial agent is a mixed microbial agent which is obtained by mixing rhodococcus corynebacteria with the preservation number of CGMCC (China General Microbiological Culture Collection Center) No.8172 and rhodococcus ruber with the preservation number of CGMCC No.8173 according to the volume ratio of (0.5 to 3): 1. The microbial agent is a mixed microbial agent which is obtained by mixing the rhodococcus corynebacteria with the preservation number of CGMCC No.8172 and the rhodococcus ruber with the preservation number of CGMCC No.8173. When the microbial agent is added into an MBR (Membrane Bioreactor) tank in a landfill leachate treatment process, the removal rate of refractory organic matters and ammonia nitrogen can be increased under the condition that the salinity is 1.0-5% and the CODcr and ammonia nitrogen concentration are relatively high. The treatment efficiency of the high-salt and high-concentration landfill leachate is improved, and the treatment and maintenance cost of the landfill leachate is reduced.

The invention belongs to the technical field of synthesis of organic chemical products through olefin carbonylation, and particularly relates to a catalyst system for ethylene carbonylation reaction. The catalyst system includes a palladium salt, one or more phosphine ligands, and one or more phosphorus (P)-containing compounds as stabilizers; the molar ratio of the palladium to the phosphine ligand to the stabilizer is 1: (1-6): (60-1000). According to the method, the phosphorus (P)-containing compound serving as the stabilizer is introduced to replace the sulfonic acid, direct use and supplement of the sulfonic acid are avoided, the catalytic activity and stability of a catalyst system can be improved, the equipment and process requirements can be reduced, and the method has a good application prospect.

The invention discloses a data processing method and a flue gas desulfurization system, which are applied to the flue gas desulfurization system, and the method comprises the following steps: obtaining a weight average value of a target material within a first preset time; calculating the weight change rate of the target material according to the weight average value; and according to the weight change rate and the current feeding and discharging operation conditions of the flue gas desulfurization system, the discharging speed of the target material in the flue gas desulfurization system is determined. According to the method, the weight average value and the change rate of the target material in the preset time are obtained in real time, the running state of the flue gas desulfurization system is combined, the discharging speed of the material is accurately determined, the problem of weight data fluctuation caused by environment vibration and equipment running state change is solved, the calculation precision of the discharging flow is improved, and the discharging speed is improved. By accurately monitoring the discharging amount of the slaked lime, the continuity and efficiency of the desulfurization process can be ensured, and meanwhile, the situation that the desulfurization efficiency is reduced and the operation cost is increased due to inaccurate data is avoided.

The invention discloses an electric power system operation risk assessment method and system, and belongs to the technical field of electric power system operation risk assessment. The platform end is managed and used by a platform party and comprises a technical analysis module; the technical analysis module is used for performing technical analysis on the operation risk of the power system and determining a modular evaluation unit corresponding to each reference evaluation risk; setting evaluation information of each modular evaluation unit, integrating each evaluation information into an evaluation browsing table, and sending the evaluation browsing table to each user side; the user side comprises an information display module, an acquisition module and an evaluation module; a user determines each modular evaluation unit of the application according to the information display module; the acquisition module is used for performing real-time data acquisition on the power system to obtain unit analysis data of each modular evaluation unit; and the evaluation module is used for evaluating the analysis data of each unit through each modular evaluation unit to obtain a risk evaluation result of each modular evaluation unit.

The invention discloses a maleic anhydride sewage treatment process and a sewage treatment system. The maleic anhydride sewage treatment process comprises the following steps: S1, carrying out buffer treatment on maleic anhydride sewage; s2, carrying out demulsification and multi-dimensional electro-catalysis pretreatment on the maleic anhydride sewage treated in the step S1; s3, carrying out anaerobic reaction treatment on the maleic anhydride sewage treated in the step S2; s4, performing neutral catalytic oxidation and aerobic treatment on the maleic anhydride sewage treated in the step S3; s5, performing electro-catalysis treatment on the maleic anhydride sewage treated in the step S4 to obtain sewage meeting the standard; the technical problems that in the prior art, the maleic anhydride sewage is high in pollutant concentration, low in biochemical treatment degradation speed and low in efficiency are effectively solved by removing specific pollutants such as DBP and DOP in the maleic anhydride sewage and adopting a method of demulsification, multi-dimensional electro-catalysis, efficient anaerobic treatment, multi-stage aerobic treatment, catalytic oxidation and electro-catalysis.

The invention belongs to the field of electric power system dispatching operation and control, and discloses an electric power system unit combination optimization dispatching method, device and equipment and a medium. The method comprises the following steps: acquiring a unit set G in a power system and characteristic parameters of each unit g in the unit set G; based on the characteristic parameters of each unit g, solving a pre-established power system unit combination model considering the multi-working-condition wide-power adjustment characteristics of the coal power unit, and obtaining a power system unit combination optimization scheduling result; and outputting the unit commitment optimization scheduling result of the power system. According to the invention, the supporting capability of the unit combination result on the multi-dimensional adjustment of the power system is enhanced; the method adapts to development and application of a novel power system.

The invention discloses a high-efficiency intelligent backwashing system for an upward flow biofilter. The invention can completely solve the problems of the existing upward flow biofilter, such as the excessive backwashing intensity affecting the removal efficiency of pollutants, the frequent backwashing of the filter due to insufficient backwashing intensity or too short backwashing time, and even the problems of the biofilter material being compacted and the filter plate flipping due to insufficient backwashing. The invention can completely solve the impact of the existing upward flow biofilter on the front-end pretreatment unit and the additional increase in operating costs caused by the frequent backwashing of the upward flow biofilter. The high-efficiency intelligent backwashing system can realize early warning, reduce the uncertain factors of human intervention, and strangle the overall compaction of the filter in advance, thereby ensuring the normal operation of the filter. The invention has great promotion and application value in the field of upward flow biofilter technology.

The invention discloses an absorbent for fine desulfurization and decarburization of blast furnace gas, and relates to the technical field of desulfurization and decarburization of blast furnace gas. The phase-splitting agent comprises a phase-splitting agent, an alcohol amine chemical absorbent and water, the phase-splitting agent is sulfolane, and the alcohol amine chemical absorbent is diethanol amine; wherein the mass fraction of sulfolane accounts for 50-70%, the mass fraction of diethanol amine accounts for 15-25%, the balance is water, and the sum of the mass fraction percentages of the components is 100%. According to the invention, a two-phase absorbent is innovatively adopted, and the absorbent aims to overcome the limitation of a traditional absorbent and realize the function of fine desulfurization cooperating with carbon capture; the invention further relates to a blast furnace gas fine desulfurization and decarbonization combined device and a using method thereof.

The invention discloses a screening device, system and method for separating polyolefin powder and block materials, and the screening device comprises a screening mechanism which is arranged in a waste material box and connected to the lower portion of a discharging pipe; the powder collecting device is connected to the lower portion of the screening mechanism and used for receiving the powder screened out through the screening mechanism; the lump material collecting device is connected with the screening mechanism through a material conveying piece and is used for receiving the lump materials which are not screened by the screening mechanism; the screening mechanism does not need to be driven by external power, and separation of powder materials and block materials is achieved by means of the self weight of the materials. According to the scheme, the screening mechanism which does not need to be driven by external power and works only depending on the dead weight of the materials is adopted, the beneficial effect that extra electric energy or mechanical power is not consumed in the whole separation process is achieved, and the situation that energy consumption and operation cost are increased due to powder recycling is fundamentally avoided.

The invention relates to a soil microorganism high-efficiency water purification filter material and a preparation process thereof, and aims to solve the problems of low removal efficiency, high cost, easiness in secondary pollution, insufficient affinity with soil microorganisms and the like of the existing microorganism filter material. The filter material is prepared by taking volcanic rock, activated carbon, bentonite and modified cellulose as main raw materials, combining the main raw materials according to a specific ratio, preparing porous particles by virtue of processes such as calcining, activating, mixing, granulating and sintering, and finally loading the porous particles by virtue of a microbial bacterial liquid. The product has a large specific surface area, good adsorption performance and high chemical stability, and can provide an excellent adhesion and growth environment for soil microorganisms. Experiments prove that the filter material can significantly improve the removal efficiency of pollutants such as COD, ammonia nitrogen and total phosphorus in sewage, and the filter material has the advantages of easily available raw materials, low cost and environmental friendliness, and is suitable for the fields of sewage treatment, ecological restoration and the like.

The present invention is applicable to the technical field of deep dehydration of sludge, and provides an ultra-rigid ultra-high pressure elastic press filter frame with oil recovery function, the ultra-rigid ultra-high pressure elastic press filter frame with oil recovery function comprises: a filter plate, ears and shoulders are installed on both sides of the filter plate, a single-acting small hydraulic cylinder is installed between the filter plates, and a push plate and a pressure plate are installed on the filter plates at both ends of the single-acting small hydraulic cylinder respectively; a cloth hanging pin is installed on the push plate and the pressure plate, an exhaust valve is provided on the side of the push plate, a hollow bolt is installed on the pressure plate, a recovery oil pipe is connected to the hollow bolt, and an oil inlet pipe joint is provided on the hollow bolt; a connecting plate is installed on the push plate; a T-shaped sealing strip is arranged on the pressure plate. Reduce the equipment maintenance cost; improve the stability of the entire equipment, and improve the durability of use; improve the equipment use efficiency; and improve the life of the hydraulic sealing ring of the small hydraulic cylinder.

The invention provides an automatic vegetation maintenance device for ecological restoration of a mining area environment, and relates to the technical field of maintenance devices.The automatic vegetation maintenance device comprises a water accumulation tank, the bottom of the water accumulation tank is an inclined tank bottom edge, a line pressing water end groove is formed in the bottom of the inner wall of the water accumulation tank, and a plugging pad is slidably connected to the inner wall of the line pressing water end groove; the problem that the market price of an automatic vegetation maintenance device for ecological restoration of the mining area environment is high due to the fact that the technical complexity and the material cost are high is solved by adopting the mode of installing the nutritional sponge rods, and due to the high price, after mining of the mining area is completed, almost no extra profit point exists to support investment and maintenance of the equipment, and the economic benefits of the equipment are greatly improved. For small and micro enterprises, the cost for purchasing and operating the equipment is too high, the popularization and application of the equipment are limited by the high cost, and large-range coverage of ecological restoration work is difficult to realize, which is a heavy burden for the small and micro enterprises facing economic pressure.

The utility model belongs to the technical field of wastewater treatment devices, and particularly relates to a textile printing and dyeing wastewater treatment device which comprises a tank body, four groups of bearings are fixedly arranged on the inner wall of the tank body in an array mode, filter discs are rotatably arranged on the inner walls of the bearings, and four groups of fixing plates are arranged on one side of the inner wall of the tank body in an array mode. A fixing rod is fixedly arranged on one side of the fixing plate, a funnel is fixedly arranged on one side of the fixing rod, a scraping plate is fixedly arranged on the side, close to the filtering disc, of the top end of the funnel, the scraping plate is inclined, a rotating shaft is rotationally arranged at one end of the inner wall of the tank body, and a servo motor is fixedly arranged on one side of the tank body through a fixing frame. A pressure sensor is fixedly arranged on one side of the bottom end of the inner wall of the tank body, the pressure sensor is electrically connected with a servo motor, impurities accumulated on a filtering disc are scraped through cooperation of the servo motor and a scraping plate, the working efficiency of the textile printing and dyeing wastewater treatment device is improved, and meanwhile, the equipment maintenance cost is reduced.

The present invention provides a method for correcting the position deviation of pattern transfer based on camera internal and external parameters, and relates to the field of image processing technology. The method includes the following steps: calibrating the lens, obtaining the internal and external parameters of the camera, and establishing a world coordinate system corresponding to a pixel coordinate system at each steel plate position; confirming the reference, adjusting the X-axis and Y-axis directions of the steel plate to obtain the correct pattern coordinates; delineating the pattern area, performing image enhancement on the area, finding the Mark point area, screening the Mark points by morphological features, calculating the center coordinates of the pattern, and comparing with the reference coordinates to obtain the X-axis and Y-axis deviations; moving the equipment rubber head, adjusting the direction of the camera in the pattern and carrier coordinate system, and realizing the transfer printing action of the correct position of the pattern. By integrating the calibration of camera internal and external parameters, calibration of three-dimensional point cloud data, establishment of pattern coordinate system and position correction, the goal of high consistency and precision of multiple calibration matrix data can be achieved, and the complex process of calibration of three-dimensional cameras and manipulators can be simplified.

This invention provides a low-cost and environmentally friendly papermaking pulping process, comprising the following steps: S1. Pretreatment of papermaking fiber plant raw materials. S2. Oxy-alkali cooking: The pretreated papermaking fiber plant raw materials are mixed with an aqueous sodium carbonate solution, and cooked for 0.5–5 hours using oxygen as an oxidant. Then, sodium hydroxide is added, and cooking continues for 0.3–2 hours. Finally, the pulp and black liquor are separated by pressing. S3. Black liquor treatment: The black liquor is mixed with fiber waste, pressed, and burned as biomass fuel. S4. Recovery and causticization. This papermaking pulping process uses sodium carbonate and a small amount of sodium hydroxide for staged oxy-alkali pulping, and the generated black liquor is mixed with fiber waste and burned to recover sodium carbonate and heat, reducing the causticization rate and pulping costs.

The present invention provides a technique with which a water system having a reverse osmosis membrane device can be stably operated over a longer period of time. The present invention can provide a method for operating a reverse osmosis membrane device, the method comprising: a first step for intermittently adding an oxidation-based slime inhibitor and intermittently supplying water to be treated containing the oxidation-based slime inhibitor to a reverse osmosis membrane device; and a second step for adding an organic-based slime inhibitor at least during a period other than the addition period of the first step and supplying the water to be treated containing the organic-based slime inhibitor to the reverse osmosis membrane device.

The invention provides a mining system which comprises a mining device, a mining ship, a transfer device and a transport ship, the mining device comprises a walking assembly, a crushing assembly, a spray head assembly and a collecting assembly, the crushing assembly, the spray head assembly and the collecting assembly are all arranged on the walking assembly, the walking assembly is used for walking in deep sea, and the crushing assembly is used for crushing seabed sediments; the spraying head assembly is used for spraying the crushed seabed sediments so that the crushed seabed sediments can be flushed into the collecting assembly, the mining ship is used for collecting the seabed sediments, and the transferring device is connected with the collecting assembly and the mining ship so that the seabed sediments collected by the collecting assembly can be conveyed into the mining ship through the transferring device; the transport vessel is adapted to float on the sea surface, the mining vessel cooperates with the transport vessel and the transport vessel is movable on the sea surface relative to the mining vessel such that subsea deposits on the mining vessel are transported through the transport vessel. The mining system has the advantages of low cost, high mining efficiency and the like.

The invention relates to the technical field of boiler continuous drainage water resource recovery management, and provides a continuous drainage water comprehensive management system. The method comprises the following specific implementation steps: monitoring continuous drainage related parameters of a target boiler in real time through a sensor, and carrying out wastewater grouping and mixing treatment on wastewater of different pipelines; then, the inlet steam temperature is determined through a steam-water mixing heat balance equation, and steam-water mixing heat loss is calculated; the ideal steam output temperature is determined in combination with a heat conservation equation, and waste heat recovery heat loss is calculated; then, a steam-water-pollution displacement function is constructed according to historical data; and finally, integrating data of each module to construct a continuous drainage comprehensive optimization function, and performing optimization through a simulated annealing algorithm to obtain optimal inlet steam data. According to the invention, heat recovery, steam cost and pollutant discharge are comprehensively considered, so that continuous drainage treatment and energy efficiency optimization are realized.

A new ecological nano-iron dynamic membrane interface assembly and its enhanced arsenic removal method, which belongs to the field of drinking water treatment technology. The method of the present invention utilizes the in-situ coagulation, synergistic oxidation and membrane filtration of the Fe(II) / Cl2 system to simultaneously realize the in-situ modification of the membrane and the deep removal of arsenic. The specific method is completed by the following steps: 1. Add chlorine oxidant and divalent iron salt to the arsenic-containing raw water at the same time, and introduce the raw water into the membrane pool after tubular mixing; 2. Stir the raw water in the membrane pool by aeration, mechanical stirring or hydraulic mixing to fully mix the raw water in the membrane pool; 3. After the membrane pool is running, the membrane after the new ecological nano-iron dynamic interface assembly and the water with arsenic removed are obtained. The present invention requires few facilities, is easy to operate, has low maintenance and operation costs, and has strong arsenic removal capacity. It is a new and efficient arsenic removal method.