56results about How to "Solve the problem of efficient utilization" patented technology

The invention discloses a method for producing mineral wool by using early-stage molten-state steel slag of a converter, and belongs to the technical field of production of mineral wool. The method comprises the following steps: pouring the early-stage molten-stage steel slag of the converter in a smelting furnace, adding a reducing agent and a modifier in a pouring process, and carrying out reducing and modifying; and after stirring, mixing evenly and standing for 0.5-1.5 hours, feeding slag at the temperature between 1,380 DEG C and 1,430 DEG C to wool producing equipment and processing into the mineral wool. Double advantages of 'residues' and 'heat' of the molten-state steel slag are played fully, ferrosilicon and aluminum granules are used as reducing agents, reaction of silicon, aluminum and iron oxide is silicothermal reaction and aluminothermal reaction, a large amount of thermal can be produced along with the reaction, and heat supply in a whole reducing and modifying process can be satisfied. After valuable elements are recycled, residues are directly prepared into the mineral wool with high additional value, the molten-state steel slag is comprehensively recycled, the problem of emission of the steel slag is solved, furthermore, the production cost of the mineral wool can be reduced, and the economic benefit and the environment benefit are good.

The invention discloses a method for extracting titanium from vanadium-titanium magnetite. The method comprises the following steps: adding sodium or potassium salt additive in the reduction smelting of an iron ore concentrate electric stove to obtain liquid iron and titanium-containing slag, wherein vanadium and iron are reduced to enter liquid iron, under a smelting high temperature condition, silicon and aluminum impurities form sodium aluminosilicate capable of being dissolved in dilute acid with the sodium or potassium salt additive, and enabling the sodium aluminosilicate and titanium and aluminum magnesium impurities to remain in the titanium-containing slag; purifying the titanium-containing slag by virtue of a wet-method metallurgical impurity removal method, to acquire a titanium slag product with TiO2 content more than 75 percent. For the application problem of titanium in the iron ore concentrate, the slag modification additive is added in the reduction smelting process, so that not only is the mobility of the slag improved, but also a condition is created for removing the later silicon-aluminum impurities of the slag, the high-efficiency separation and extraction problem of the titanium in the iron ore concentrate can be well solved, the resource utilization rate of the iron, titanium and vanadium is greatly increased, and the utilization rate of the titanium is increased about 3 times compared with the flow of a blast furnace.

The invention provides an anti-oxidative peptide and a preparation method thereof. The preparation method comprises the steps of performing zymolysis, separation and purification on acid protease by using sea cucumber meat or sea cucumber visceral protein as the raw material to obtain the specific anti-oxidative peptide. The complete sequence of amino acid is gavlgty. The anti-oxidative peptide disclosed by the invention makes up the defects of natural antioxidants, reduces anxiety of the public about artificially synthesized antioxidants, and lays the foundation for developing the anti-oxidative peptide based on a food source and widely applying the anti-oxidative peptide based on the food source to foods and medicine.

The invention provides an antioxidative peptide and a preparation method thereof. The method is used for obtaining the specific antioxidative peptide from chlorella protein as the raw material by virtue of enzymolysis of an acid proteinase, separation and purification; the amino acid complete sequence of the specific antioxidative peptide is aetiglap. The shortcomings of a natural antioxidant are overcome and the worry of the public on an artificially synthetic antioxidant is eliminated, and a foundation is laid for developing the antioxidative peptide based on food sources and exploring the wide application of the antioxidative peptide in foods and medicines.

A method for producing phosphorus-potassium-silicone-calcium multi-element microporous mineral fertilizer (soil conditioner) by a hydrothermal chemical method comprises the following steps: uniformly mixing finely ground potassium-rich rock, lime and phosphate ore according to the mass percent ratio of (38.5%-52.25%):(31.5%-42.7%):(30%-5%) with water, wherein the water-solid ratio is (1:1)-(3:1); then transferring the slurry into a reaction kettle to make the slurry react for 8-24h under saturated vapor pressure at 160-250DEG C, and naturally cooling a reaction product to room temperature; and drying and crushing the reaction product to obtain the phosphorus-potassium-silicone-calcium multi-element microporous mineral fertilizer (soil conditioner).

The invention discloses a multi-energy complementary offshore energy integrated power generation system, which comprises a wind power generation system, a photovoltaic power generation system and an ocean temperature difference energy power generation system, and is also equipped with an energy storage system and a seawater desalination system. The output voltage of the ocean temperature difference energy power generation system is subjected to voltage stabilization, voltage regulation and constant current treatment through an AC/DC bidirectional inversion device, and the output voltage is stable. An energy storage battery pack is charged through a charging and discharging module, and charging is stopped when the electric quantity of the battery pack reaches a set upper limit. When the AC/DC bidirectional inversion device charges the energy storage battery pack, if a load needs electric energy, a DC/AC inserter carries out conversion and outputs electricity suitable for the load to theload. According to the scheme, more types of energy are integrated for multi-energy complementation, offshore energy is fully utilized, and the light energy power generation system, the wind energy power generation system and the ocean temperature difference energy power generation system are coupled to solve the problem of comprehensive and efficient utilization of energy is.

The invention discloses a multistage high-efficiency flash evaporation sludge dewatering treatment system and a method. The utilization problem of sludge pyrolysis multistage flash evaporation secondary steam is solved in the invention. The system comprises a pretreatment unit, a boiling unit, a multistage flash evaporation unit and a dewatering and backmixing unit, the pretreatment unit comprises a mixer for mixing the sludge through a rotor pump, the boiling unit comprises a heater connected with the sludge mixer and a boiler connected with the heater, the multistage flash evaporation unit comprises a flash evaporation device and a heat energy recovery device for conveying steam in the flash evaporation device to the heater, the dewatering and backmixing unit comprises a screw dewaterer for conveying separated water to the sludge mixer through a reuse water pump, the screw dewaterer is connected with a secondary flash evaporation device. The method sequentially comprises: sludge mixing, heating treatment, continuous flash evaporation and dewatering separation. The system and the method are adopted to recover the flash evaporation secondary steam, so the heat energy utilization rate in the sludge treatment process and the reliability of a sludge treatment device are increased.

The invention provides a snapper anti-oxidation polypeptide and a preparation method thereof. The method is characterized in that using the enzymatic hydrolysis of acidic protease to the pure anti-oxidation polypeptide is obtained through acid proteinase hydrolysis of snapper skins or fish scale proteins used as a raw material, separation and purification, and the amino acid sequence of the polypeptide is ASTSNLKKAVHL. The snapper anti-oxidation polypeptide eliminates the defects of natural antioxidants, eliminates public concerns about synthetic antioxidants, and lays a foundation for the development of food-based anti-oxidation polypeptides and exploring of the wide application of the anti-oxidation polypeptide in foods and medicine science.

The invention belongs to the field of biological feed processing, and particularly discloses a preparation method of rabbit manure biological feed. The preparation method comprises the following steps: preparing slurry from rabbit manure powder and a water extraction concentrate of residue of edible mushrooms at the weight ratio of 1:(5-15), placing the slurry at the temperature of 80-90 DEG C, carrying out the Maillard reaction for 36-50 hours, adding a compound microorganism bacterium accounting for 4-8 percent by weight of the slurry, culturing and fermenting for 72-150 hours under the conditions that the temperature is 26-40 DEG C, the stirring speed is 50-180 rpm and the ventilatory capacity is 1:(0.3-1.5)V/V/min, carrying out vacuum concentration on the fermented slurry into thick paste under the conditions that the temperature is 33-36 DEG C and the pressure is -0.065-0.095 MPa, then carrying out low-temperature vacuum drying till the water content is 6-8%, smashing and screening, carrying out dry-type vertical compression pelletizing to obtain the rabbit manure biological feed. According to the preparation method, the efficient utilization of the residue of the edible mushrooms can be achieved, the application value of the rabbit manures as the feed is improved, waste resources are used to the hilt, the industrial chain is expanded, the comprehensive utilization benefits of edible mushrooms cultivation and the meat rabbit breeding industry waste are increased, the economic benefits are increased, and the ecological environment is protected.

The invention provides a green belt parking device and belongs to the field of parking devices. Aiming at the problem that an existing green belt parking device is large in occupied area or complex in construction, the invention provides the green belt parking device which is simple in structure and small in occupied area. The green belt parking device comprises a slide rail located on a green belt and laid perpendicular to a curbstone; and the slide rail stretches out of a street through the green belt by the distance of at least one car body width on the street, and a parking platform is installed on the slide rail, moves on the slide rail through rollers at the bottom of the parking platform and a power unit, is of a folding structure and comprises at least two supporting girders parallel to the curbstone and retractable net structures connected with every two adjacent supporting girders. According to the green belt parking device, though the structure similar to a retractable door, the conditions that when being used, the parking platform stretches, and when being unused, the parking platform contracts are achieved; and the occupied area is reduced as far as possible, and the influence on the green belt is reduced.

The invention discloses a system and a method for preparing synthesis gas by electrolyzing low-cost CO2 in a solid oxide electrolytic tank. The system is composed of a direct CO2 capture unit and a solid oxide electrolytic tank unit, wherein the direct CO2 capture unit comprises a dryer, a CO2 adsorption chamber, a condenser, a gas-liquid separator, a gas pump, a gas tank, a CO2 concentration detector and the like; the solid oxide electrolytic tank unit comprises a steam generator, a heating furnace, a solid oxide electrolytic tank and the like. According to the system, low-concentration CO2 in air or high-concentration CO2 in flue gas is directly captured by regulating and controlling the humidity of the CO2 capturing unit; the CO2 containing air captured at a low cost is introduced intothe solid oxide electrolytic cell unit, H2O and the CO2 containing air are co-electrolyzed by the cathode of the electrolytic cell to generate synthesis gas, and methane is introduced into the anode of the electrolytic cell to reduce the overpotential of the reaction and generate the synthesis gas. According to the invention, not only is negative emission of CO2 realized, but also resource utilization of greenhouse gas is achieved, so that environmental and economic benefits are obtained.

The invention discloses a system and a method for coupling co-production of synthetic gas. The system is composed of a unit for directly capturing carbon dioxide in air and a unit for preparing the synthetic gas by chemically circularly reforming methane, wherein the unit for directly capturing carbon dioxide in air comprises a dryer for drying air, a carbon dioxide adsorption chamber for capturing carbon dioxide, a condenser, a gas-liquid separator, a gas pump, a gas tank for storing desorbed carbon dioxide and a carbon dioxide concentration detector; and the unit for preparing the syntheticgas by chemically circularly reforming methane includes a reduction reactor and an oxidation reactor. The system controls the adsorption and desorption process of carbon dioxide in the air by adjusting the humidity of the carbon dioxide capturing unit, and a mixed gas composed of the desorbed carbon dioxide and the air is stored in the gas tank, and enters the methane chemical circular reforming unit through a gas tank gas discharge valve under the control of a mass flow meter. The method realizes the integration of the negative emission of carbon dioxide and the conversion and regeneration ofenergy, and improves the economic benefit of the carbon dioxide in the air.

The invention relates to a production method of super-selenium-rich tenebrio molitor, and straw, leftovers of agricultural production and selenium-containing raw materials are directly subjected to fungal conversion so as to become a nutritional feed loved by tenebrio molitor. According to the method, the cost of the breeding feed is reduced to be less than one third of that of an original feed, the purpose of selenium enrichment is achieved, the breeding economic benefit is increased by more than three times, and the problem that the crop straw is efficiently utilized is solved.

The invention discloses a method for systematically reducing process alkali consumption and improving the process efficiency of a Bayer process. The method comprises the following steps: refining diluted alkali liquor generated in a Bayer red mud dealkalization process to obtain refined diluted alkali liquor, and treating the refined diluted alkali liquor with decomposing mother liquor or evaporating mother liquor in the Bayer process in a volume ratio of 1.0-2.0 by adopting a cationic membrane diffusion dialysis separator to obtain a low alpha-k sodium aluminate solution having alpha-k beingless than 2.00 or a high alpha-k sodium aluminate solution having alpha-k being more than 6.50; and decomposing the low alpha-k sodium aluminate solution in a seed precipitation process, and evaporating the high alpha-k sodium aluminate solution for dissolving bauxite, or directly dissolving bauxite in the dissolving process of the Bayer process. According to the method, the diluted alkali liquorgenerated in the red mud dealkalization process can be recycled, the seed precipitation decomposition rate of the Bayer process can be increased by 65 percent or more, and the aim of greatly improvingthe efficiency of the Bayer process is achieved.

The invention discloses a biodegradable water-permeable mulching film ridge back microgroove multi-row mechanical film-mulching and sowing method and aims to solve the problem of efficient utilizationof drizzle resource and nutrient by dry land in semiarid areas and the problem that full-biodegradable mulching films are too fast in breaking and disintegrating in the crop seedling period. The method includes: making a steel roller compacting and shaping module which is structurally characterized in that a cylindrical steel roller is mounted on a steel shaft in a sleeved manner, and steel ringsfor fixing the steel roller sleeve two sides of the steel roller; mounting a ditching disc at a position, corresponding to the middle of a sowing ground ridge back, of a front crossbeam of a rack ofa film-mulching sowing machine, connecting two ends of the steel shaft at positions, 150mm away from the rear end, of longitudinal beams on two sides of the rack of the film-mulching sowing machine through hanging plates in a hanging manner, and enabling the ditching disc and the steel roller to be on a same straight line; starting the film-mulching sowing machine to work, wherein the ditching disc forms a microgroove in the middle of each ridge back, the steel roller rolls along the microgroove in the middle of each ridge back to compact and shape to form a ridge back microgroove, the ridge back microgrooves and planting ditches form a wavy rain collection terrain, and then the machine automatically completes film mulching, earthing and punch dibbling processes.

The invention relates to anti-oxidization bone collagen polypeptide and a preparation method thereof, aiming at solving the technical problems of an existing product that the source is single and theimmunogenicity exists. An amino acid sequence is shown as a sequence table 1. The invention also provides a preparation method of the anti-oxidization bone collagen polypeptide; collagen is extractedby taking tuna bones as a source; then the collagen is subjected to enzymolysis by adopting a tyrisin-chymase complex enzyme and then is separated and purified, and frozen and dried to obtain the anti-oxidization bone collagen polypeptide. The anti-oxidization bone collagen polypeptide can be used for the field of preparation of the anti-oxidization polypeptide.

The invention relates to an environment-friendly fuel oil agent for promoting quality and effect of fuel oil. The environment-friendly fuel oil agent comprises the following materials by weight percent: 1-9% of octanol, 1-5% of tolyltriazole, 8-60% of 2,5-diethoxy tetrahydrofuran, 10-60% of azide, 1-28% of nonyl phenol polyoxy propylene ether amine, 0-20% of diethanolamide borate laurate, 0-10% of coconut oleate methyl monoethanolamide and 0-30% of isooctyl nitrate. According to the invention, the clean combustion, catalytic combustion and control combustion techniques are organically combined for efficiently removing and preventing scale of an oil-way system and an exhausting system in chemical and physical modes; the surface metal in an engine can be activated to form a powerful catalytic field and a 'flame combustion' mode is converted into 'flameless combustion'; the starting/ending temperature of the control combustion is reduced, the speed is increased, the photo-thermal energy is effectively converted and the thermal radiation rate is increased; and a new mode of instantly breaking liquid oil molecules into gaseous micro-molecule residues and then quickly, thoroughly and cleanly combusting with the stimulated oxygen is realized and the optimization of the quality of the fuel oil and the upgrading of the effect differentiation are realized.

The invention discloses a method for interplanting of luffa, dry raised seedlings and radishes. The method comprises the steps of land preparation and bedding, luffa cultivation, dry raised seedling cultivation and radish cultivation. Quite a number of easily thoroughly decomposed vegetable fresh stem leaves can remain while plenty of vegetables are produced, the effect for improving soil fertility and increasing the content of soil organic matters is extremely high, rice seeding can be directly performed only by simply turning over land, and rice drought seedling pool cultivation and efficient utilization can be achieved well.

The invention relates to a method for processing fermented brown rice nutrition powder. The method comprises the following steps: by using a brown rice processing byproduct, namely brown rice nutrition powder as a main raw material, adding a cold solution containing an antioxidant and a flavoring agent for real-time anti-oxidation processing, then adding fresh milk and direct-vat type lactic acid bacteria powder for sealed fermentation, and finally cooling and drying. Through an anti-oxidation technology and a fermentation technology, the method effectively realizes the whole flour utilization and efficient utilization of rice byproducts and fully utilizes the nutritional ingredients of rice lost during processing. The prepared fermented brown rice nutrition powder is rich in major nutrients in rice, good in safety, unique in flavor and convenient to eat, conforms to national food safety standards, and is good for health of people after being often eaten.

The invention belongs to the technical field of network communication, and discloses a flow classification device and a table item compression method based on a folded SRAM (Static Random Access Memory), which are characterized in that a rule set is preprocessed to obtain an execution action and a compression action; storing the execution action to an SRAM (Static Random Access Memory), and storing the compression action to a register vector; the analyzer receives an input data stream, extracts a key information field in header information of a data packet, completes splicing operation, and outputs the key information field in a key information vector mode; receiving a key information vector, and performing segmented storage on the key information vector; the rule matching module is based on a BV lookup mode of a folded SRAM, and an index address is corrected according to an offset value obtained by a compression action so as to complete table lookup operation; the execution action obtained by table look-up is multi-stage cyclic matching of the stream classification instruction code and the compression action until a final matching result is obtained and output. The method has the advantages of being suitable for hardware implementation, reducing cache overhead and having nothing to do with a protocol, and can be used for data flow identification and classification in a communication network.