43results about How to "Solve recycling" patented technology

The invention discloses an independent photovoltaic storage battery grouping management method, and belongs to the technical field of new energy power generation control control. The invention relates to an independent photovoltaic storage battery system, and the main components of the independent photovoltaic storage battery system comprise a photovoltaic battery, a storage battery, a power transformer, a load and the like. The independent photovoltaic storage battery grouping management method provided by the invention comprises the steps of collecting the limited photovoltaic electrical energy in a period of time to charge for a storage battery group, discharging as less as possible before the charging is full so as to enable the storage battery group to achieve a fullly charged state quickly, and circularly implementing the policy aiming at different groups. The independent photovoltaic storage battery grouping management method provided by the invention is suitable for the occasion that the photovoltaic electrical energy is continuously scant, so that each storage battery group breaks away from a long-term underfilling state, the duty-cycle operation is avoided under low charge state, and the service life of a storage battery is prolonged.

The invention relates to the field of geotechnical engineering model tests, and aims to provide a three-dimensional visualization testing device and method for particle seepage migration based on a trace method. A model casing of the device comprises an upstream liquid level tank, a downstream liquid outlet tank and a model landfill tank; transparent soil particles doped with trace particles inside the model landfill tank is prepared into a dam foundation model, and a dam foundation model is piled and formed at the upper part; and a water bath circulating system consists of a circulating pump,a water bath box, a buffer tank and a plurality of pipelines. The device also comprises the water bath circulating system consisting of the circulating pump, the water bath box, the buffer tank and the pipelines, and a loop is formed by the model box, the buffer tank and the water bath box; and at least two groups of CCD cameras connected to a computer through signal lines respectively are arranged on two sides of the model box respectively. The device effectively solves the problems that a traditional trace particle method is difficult to apply with transparent soil model tests, the occurrence position of particle migration is difficult to capture, the hole fluid refractive index and the glutinousness can change along with temperature and a hole fluid is circulated.

The invention discloses a method for selectively enriching scandium from Bayer process red mud. The method is characterized in that the Bayer process red mud is used as a raw material, the red mud isfully wet by adding an appropriate amount of water, the red mud is sulphated by using concentrated sulfuric acid and is then calcined at a high temperature, the solid calcined product is mechanicallyactivated by grinding and is then subjected to four-stage water immersion and washing, so that a scandium-rich leaching solution, scandium-rich washing liquid and low-alkali iron-rich slag are obtained. The method enables most of scandium to be leached, but the leaching rates of impurity iron and aluminum are low, and silicon and titanium are not leached substantially, so that the formation of colloidal silicate in the leaching solution is avoided, and the selective absorption and extraction of the scandium in the subsequent leaching solution are facilitated; the generated sulfur dioxide and sulfur trioxide can be reused in the preparation of sulfuric acid, so that the production of a large amount of waste acid is avoided; the pH of the low-alkali iron-rich slag is close to neutral, and can be used in the industries such as iron making, adsorbents, ceramics, construction and the like, so that a new way is provided for the extraction of the scandium and the comprehensive utilization ofthe red mud.

The invention discloses an extrusion device and method for an oriented chopped carbon fiber reinforced thermoplastic composite, and belongs to the field of composite processing. A multifunctional stirring device is arranged in the middle of the interior of a melting chamber; the bottom of the melting chamber is connected to an extrusion chamber horizontally arranged left and right by a gate valve;a telescopic hydraulic cylinder which is horizontally arranged is located at the left side of the extrusion chamber; the right end of the telescopic hydraulic cylinder is connected to a first-stage sleeve piston; a second-stage sleeve piston is coaxially connected to the first-stage sleeve piston; a right end outlet of the extrusion cavity is coaxially connected and communicates with a tapered stepped pipe type nozzle; the interior of the tapered stepped pipe type nozzle is provided with multiple-stage tapered stepped pipes from left to right; and the inner diameters of pipelines of the tapered stepped pipes decrease in sequence from left to right, and the left and right lengths sequentially decrease from left to right. The extrusion device and method integrate the three processes of blanking, stirring and extruding, guide chopped carbon fiber yarns to be directionally arranged in a thermoplastic resin matrix in a material extrusion direction, and directly process the chopped carbon fiber yarns and thermoplastic resin matrix raw materials into continuous wires.

The invention relates to a preset self-adjusting full-positioning clamping device for automobile part drilling, which comprises a rack, a drilling auxiliary clamping device, a human-hand-simulated self-resetting reciprocating type cleaning mechanism and a detachable self-separation recovery device, a dust collection hole is formed in the middle of the upper wall of the rack, the human-hand-simulated self-resetting reciprocating type cleaning mechanism is arranged on the upper wall of the rack, and the detachable self-separation recovery device is arranged on the lower wall of the rack. The drilling auxiliary clamping devices are symmetrically arranged on the machine frame, and the detachable self-separation recycling device is arranged under the dust collecting holes. The invention belongs to the technical field of clamping devices for drilling parts, and particularly provides a clamping device for drilling parts by utilizing a dynamic characteristic principle, a principle of changing harm into benefit and a pre-reaction principle and by virtue of a magnetic field as compensation. According to the preset self-adjusting full-positioning clamping device for drilling the automobile parts, all-directional dead-corner-free self-adaptive attaching type clamping can be carried out on various types of automobile parts with uneven clamping faces under the condition that no positioning element or other sensors exist, the efficiency is high, and the automation degree is high.

The invention provides a coal-based electric power and chemical product coproduction process capable of realizing zero discharge of CO2. A new coal gasification process which uses CO2 instead of steam as a coal gasification agent is taken as the core; chemical production of chemical products such as methanol, acetic acid and the like, cogeneration by a gas turbine and a steam turbine, and output of CO used as a product are organically combined; and CO2 generated in combustion power generation, steam conversion and other procedures in the coproduction process is separated and enriched, and then is wholly conveyed to a gasifier and used as the coal gasification agent for cyclic utilization, thereby realizing zero discharge of CO2 in the whole process. The process integrally couples different sciences and different industries, solves the key technology that a large amount of greenhouse gas CO2 is discharged in the existing poly-generation process, and achieves the purposes of CO2 recycling and green energy source and chemical industry.

The invention discloses an antenna protection limiter structure. The antenna protection limiter structure comprises a protection limiter guide plate, a heat sink structure, an electromagnetic pump electrode, a recovery box, a lithium flow pipeline, a distribution box, a heating plate, a cooling medium in and out pipe, a heat sink cooling channel, a temperature measurement thermocouple, a heating wire, a connection screw and a side protection plate. According to the antenna protection limiter structure, quite high heat load in a vacuum chamber can be borne, the antenna main body structure can be prevented from being directly attached by high-energy particles in the vacuum chamber, a first wall material and plasma are prevented from mutually interacting to damage the operation environment of the vacuum chamber; re-circulation and tritium retention problems of deposition particles of a first wall can be effectively solved on the basis of circulation flow and renewable property of the liquid lithium first wall.

This invention relates to fuel oil absorption desulfuration nickel base non-crystal alloy absorption regeneration method, which makes water steam contact with the agent with one to ten litre water per hour per kilometer for half to three hours in temperature of 100 to 500 degrees and under pressure of the common one to the 0.5 Mpa. The method is suitable for activity deducing to the initial activity half or even lower agent and after regeneration, the agent can recover more than 90 úÑ to total or partly substitutes the fresh absorption agent.

The invention discloses an impinging stream type ionization high-temperature waste gas harm removal, separation, degradation and circulation treatment device. The device comprises a separation bottom supporting seat, a separation tower supporting frame, a clash type negative pressure separation and degradation tower, an inertia type impinging stream mixing periodic swinging box, an adsorption type electrostatic state dust cleaning and storage box, a multifunctional integrated waste gas degradation water storage box, an ultrasonic waste water circulation purification and harm removal box, an impinging stream waste gas atomization cooling adsorption and degradation mechanism, a circulating cooling waste water ultrasonic purification mixing oil reduction mechanism, an all-dimensional electrostatic adsorption dust storage treatment mechanism, a negative pressure absorption waste gas filtering zero emission mechanism, a spraying covering cooling dust removal cooling mechanism and a temperature difference type power generation heat collection cooling emission mechanism. The invention belongs to the technical field of industrial waste gas treatment, and particularly provides an impinging stream type ionization high-temperature waste gas harm removal, separation, degradation and circulation treatment device which integrates separation and degradation of harmful substances contained in high-temperature waste gas and adsorbs and filters dust in all directions.

The invention discloses an integrated air suspension air supply system. The system comprises an electric air pump device, internal pipelines, an ECU, a pressure sensor and an electromagnetic valve group which are integrated; the electric air pump device is driven by a motor; the electric air pump device is connected with an air storage tank through an internal pipeline I; the electric air pump device is connected with the electromagnetic valve group through an internal pipeline II; the electromagnetic valve group is connected with an air spring through an internal pipeline III; the electric air pump device is connected with external atmosphere through an internal pipeline IV; the electric air pump device and the electromagnetic valve group are both connected with the ECU; the ECU is provided with a connector; the electromagnetic valve group is provided with an electromagnetic valve group valve port, an air path interface and an air filter interface; and the air filter interface is connected with an air filter. By adopting integrated closed-loop control, energy consumption can be reduced, higher system availability and better performance are ensured, cyclic use under various conditions is ensured, moisture impurities are prevented from influencing system work, and the system is compact in structure, small in size and weight, light in weight, energy-saving and environment-friendly.

The invention discloses an additive manufacturing method for a plastic powder shape-following staircase temperature bed. The method comprises the steps that a powder is added, the powder is scrapped,first heating is carried out, selection domain for second heating is carried out, laser sintering is carried out, one layer is dropped, and then the steps are repeated. The additive manufacturing system stops all the heating of the plastic powder; a temperature of a molding cylinder drops; and after sintering and melting, plastic powder is cooled and solidified, and a plastic products is formed. The technical defect of plastic powder degradation or excessive cross-linking during the forming process of a existing laser sintered plastic powder is overcome, the reduction of the physical propertyof the plastic powder except a sintered product in the molding cylinder due to a high temperature is prevented, recycling is carried out by avoiding being abandoned or avoiding adding a high proportion of a new powder, so that the cost of the plastic powder of the sintered plastic products is greatly reduced.

The invention relates to a near-zero-emission and CO2 recycling type fossil energy utilization method. The method is characterized in that coal gasification, power generation and production of chemicals are coupled, wherein the logistics and energy in the whole coupling process are integrated, namely, a certain volume of CO2 which is continuously exhausted is extracted is input to a power generation system to realize recycling; water or steam produced by power generation is treated as fluidizing gas for gasification reaction; the rest CO2 is treated as the chemical raw material for producing 1, 3, 5-sym-triazinetriol; and the chemical production of the 1, 3, 5-sym-triazinetriol chemical product and the power generation are organically combined, so that the recycling of CO2 and the completeutilization of C atoms can be completely realized, and as a result, the zero emission of CO2 is achieved. With the adoption of the method, the key problem that a large volume of room-temperature CO2is exhausted in an existing multi-co-production technology is solved; the purposes of CO2 recycling, green energy and chemical industry can be achieved; the CO2 and hydrogen can be effectively organically utilized; the near zero emission of SO2, NOX, particles and CO2 can be realized; and moreover, the H2 power generation risk is reduced, and the CO2 recycling is achieved.

The invention discloses a method and a system for continuously preparing polyoxymethylene dimethyl ether by utilizing an ionic liquid catalyst. The system mainly comprises two areas, i.e., a reaction area and a refining area. The method comprises the following steps: firstly, carrying out an acetalation reaction on methyl alcohol and concentrated formaldehyde in the presence of the ionic liquid catalyst so as to generate the polyoxymethylene dimethyl ether; and then, rectifying the polyoxymethylene dimethyl ether in the refining area. According to the method and the system which are disclosed by the invention, an aqueous solution of the polyoxymethylene dimethyl ether is taken as an initial reaction raw material on which the continuous acetalation reaction is carried out so as to prepare the polyoxymethylene dimethyl ether, so that compared with other industrial devices, the system and the method are simple in process, low in energy consumption, simple in catalyst separation due to the adoption of an extractive distillation mode and the like, high in separation efficiency and high in polyoxymethylene dimethyl ether purity. A novel tank reactor is adopted, so that the method and the system which are disclosed by the invention are suitable for large-scale industrial production.

The invention discloses a preparation method of a photocatalytic material BiOBr/ZnSn(OH)6@carbon fiber cloth, and relates to a preparation method of a photocatalytic material. The invention aims to solve the technical problem that the existing photocatalytic material is difficult to recover. The method comprises the following steps: putting a carbon fiber cloth into a mixed solution of water, ethanol and acetone for ultrasonic treatment, soaking the carbon fiber cloth in aqua regia for 24 hours, washing, drying, preparing SnCl4.5H2O and ZnCl2 into a solution, adjusting the pH value, mixing thesolutions in an isopyknic manner, putting the carbon fiber cloth into the mixture, standing for 6 hours, taking out, washing and drying to obtain ZnSn(OH)6 carbon fiber cloth, dissolving Bi(NO3)3.5H2O, stirring and mixing with a bromine-containing salt solution, putting the ZnSn(OH)6 carbon fiber cloth into the mixed solution in a hydrothermal reaction kettle for reaction, and washing and dryingto obtain the BiOBr/ZnSn(OH)6 carbon fiber cloth. The preparation method is used in the field of photocatalysis.

A method of dehydrating 2-methylpyridine by coupling extraction and rectification operations includes the following steps: 1) mixing an extraction agent with a 2-methylpyridine/water solution to perform extraction; 2) allowing the mixture liquid in the step 1) to stand in a phase separation tank for phase separation, then layering the mixture to obtain a water phase being water and an organic phase being a mixture liquid of the 2-methylpyridine and the extraction agent; 3) preheating the organic phase to 50-60 DEG C, feeding the organic phase into a rectification column for separation, whereinthe extraction agent is withdrawn from the column top and the 2-methylpyridine is withdrawn from the column bottom. The method can prepare high-purity 2-methylpyridine and extraction agent just withone rectification column, solves the problem of influence on recycling use due to high water content of the 2-methylpyridine in a production process of 2-vinylpyridine, has good separation effect, islow in energy consumption and cost, has extensive application range, and is suitable for both batch rectification process and continuous rectification process.