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126results about How to "Improve decomposition efficiency" patented technology

Method for producing pullulan by aureobasidium pullulans

The invention provides a method for producing pullulan by aureobasidium pullulans, which is characterized in that a microbial conversion method is adopted for the first time, and pullulan is produced by catalyzing conversion of fructooligosaccharide through an enzyme reaction liquid, and the pullulan is produced by taking an aureobasidium pullulans seed culture solution as a carrier, fructooligosaccharide as a substrate and the enzyme reaction liquid as a catalyst. In a 5.0 L biological reaction container, a mode of one-time substrate addition or multiple feeding of fructooligosaccharide and enzyme reaction liquid is adopted, catalytic reaction is performed for 60-72 hr, 61.43 g / L-71.43 g / L of fructooligosaccharide is consumed together, the highest yield of pullulan is 60.2 g / L-64.26 g / L, and the conversion rate of fructooligosaccharide is up to 87.5%-97.98%. Compared with the existing method for producing the pullulan by a fermentation method, the biotransformation method can solve the problem of insufficient enzyme amount of catalytic reaction depended in the pullulan synthesis process on one hand, and also can solve the problem of reverse regulation of the substrate and the product on pullulan synthesis in the pullulan synthesis process on the other hand; and the problems of low substrate carbon source utilization rate, low substrate conversion rate and the like caused thereby are solved.
Owner:BEIJING EPSILON BIOTECHNOLOGY CO LTD

Epitaxial growth process for n-type doped silicon carbide

The invention provides an epitaxial growth process for improving doping uniformity of n-type doped silicon carbide, and relates to the technical field of semiconductors. The method is based on a chemical vapor deposition growth technology; 11 to 20 gt; the silicon carbide epitaxial growth is carried out by taking silicon carbide with a 4-degree silicon surface in the direction as a substrate, taking trichlorosilane (TCS) and ethylene (C2H4) as growth sources and taking ammonia gas (NH3) as a doping source. Ammonia gas is adopted as an n-type dopant, the decomposition efficiency of the n-type dopant is close to 100% at the temperature of 700 DEG C or above, and the energy of N-H bond breakage of ammonia gas molecules is 390 KJ / mo which is far lower than 946 KJ / mo needed by N-N bond breakage of nitrogen molecules. Therefore, compared with a traditional doping source such as nitrogen, the ammonia gas has higher doping efficiency, residues of excessive nitrogen-containing precursors in the reaction chamber can be reduced, the memory effect is reduced, and thus more excellent in-chip uniformity and stable inter-chip repeatability of the epitaxial wafer are obtained. The selection range of the doping source is widened, the accurate control of the doping concentration is realized, and the stability of the doping concentration in the continuous growth process is improved.
Owner:BEIJING YUNMAO QUANTUM TECHNOLOGY CO LTD

Wind power plant wind speed prediction method, system and equipment and storage medium

The invention discloses a wind power plant wind speed prediction method, system and device and a storage medium, and the method comprises the steps: optimizing the white noise amplitude weight and noise addition times in adaptive noise ensemble empirical mode decomposition CEEMDAN through employing an improved energy valley optimization algorithm IEVO, and carrying out the CEEMDAN decomposition of the historical data of a wind power plant; the decomposed data is preprocessed by adopting sample entropy SE, so that the calculation complexity of the data is reduced; for the preprocessed data, introducing a random forest algorithm RF feature selection of a heuristic strategy for optimization, and eliminating redundant features; converting the optimized data from one-dimensional time sequence data into a two-dimensional image by using a GASF (Grubby Amplitude Shift Function), and extracting image features; the extracted image features are sent to a time sequence block converter Patch TST model for wind speed prediction, and a training algorithm GPTuner based on a gradient boosting decision tree is introduced into the Patch TST model to adjust model parameters; compared with a traditional method, the accuracy of wind speed prediction can be effectively improved, and stable operation of a wind power plant is guaranteed.
Owner:HUAIYIN INSTITUTE OF TECHNOLOGY

Sulfuric acid decomposition reactor

PendingCN119425535AUniform temperatureImprove temperature distributionChemical/physical processesHeater RodSulfuric acid
The invention discloses a sulfuric acid decomposition reactor, which comprises a metal inner shell filled with a heat conduction material layer; a heated part of the heat exchange type reaction assembly is inserted into the metal inner shell and is wrapped by the heat conduction material layer; and the heating end of the electric heating rod is inserted into the metal inner shell and is wrapped by the heat conduction material layer. The electric heating rod is used for heating, uniform temperature in the metal inner shell is guaranteed through the heat conduction material layer, a high-temperature gas loop is not needed, equipment operation and manufacturing are simplified, the requirement for sealing performance is lowered, equipment reliability is improved, temperature distribution in the metal inner shell is improved through the use of the heat conduction material layer, and the service life of the equipment is prolonged. And the decomposition efficiency is improved.
Owner:CHINERGY CO LTD

Gearbox fault diagnosis method and system based on cyclic pulse characteristic decomposition

The invention belongs to the technical field of fault diagnosis, and particularly relates to a gearbox fault diagnosis method and system based on cyclic pulse characteristic decomposition, and the method comprises the steps: constructing a new dictionary matrix, namely a cyclic pulse dictionary matrix, to accurately estimate a pulse cycle period contained in a signal formed by mixing a plurality of periodic pulse signals; a Goertzel algorithm is adopted to obtain corresponding frequency amplitudes according to the magnitude sequence of the energy values of the pulse cycle periods; and separating and reconstructing the CPCC corresponding to the pulse cycle period, and decomposing the signal into a plurality of CPCCs. According to the invention, the cyclic pulse dictionary matrix is constructed to carry out sparse representation on the pulse cycle period of the periodic pulse signal, and the cycle period of the fault pulse characteristic in the gear vibration signal is accurately estimated; the Goertzel algorithm is adopted to decompose and reconstruct the CPCC in the gear vibration signal according to the pulse cycle period, and the decomposed CPCC contains abundant periodic pulse characteristic information.
Owner:HUNAN UNIV OF SCI & TECH

Method for converting livestock and poultry manure into organic fertilizer through microbial fermentation

The invention discloses a method for converting livestock and poultry manure into an organic fertilizer through microbial fermentation, and belongs to the technical field of livestock and poultry manure conversion. The method comprises the steps that firstly, the livestock and poultry manure is subjected to physical sorting, lime or monopotassium phosphate is added according to the pH value detection result, and the pH value is adjusted to 6.5-7.5; after determining nutrient components of the feces, adding soluble salt trace elements such as zinc sulfate and mixed carbohydrates of cane sugar and glucose; traditional strains of bacillus, lactic acid bacteria, saccharomycetes and actinomycetes are mixed with novel strains separated from the periphery of a livestock and poultry farm, optimized culture is conducted through a two-step culture method, and plant extracts such as lily extracts or livestock and poultry intestinal metabolites such as short-chain fatty acid are added in the culture process. The fermentation process adopts a rotatable fermentation tank body, and comprises three stages of fermentation of rapid heating, high-temperature stabilization and cooling decomposition. And finally, low-temperature vacuum drying, crushing, granulation and addition of a coating material are performed to prepare the organic fertilizer, so that efficient resource utilization of the livestock and poultry manure is realized.
Owner:CHINA AGRI UNIV

Functional vegetable seedling substrate based on vegetable straw modification

The invention belongs to the field of planting nutrient soil, and particularly relates to a functional vegetable seedling substrate based on vegetable straw modification. The substrate is prepared from the following components in parts by weight: 6 to 7 parts of peat, 3 to 4 parts of tomato straw decomposed base material, 1.5 to 2 parts of perlite, 0.1 to 0.3 part of nutrient element loaded biochar, 0.1 to 0.2 part of mineral source potassium humate and 0.01 to 0.03 part of diatomite. According to the invention, a high-quality tomato straw decomposed base material is produced by adopting a rapid decomposition process, a tomato straw modified biochar base material is produced by adopting an anaerobic pyrolysis process, and through efficient compatibility of nutrient elements, mineral elements and the like, a new process and a new product of the functional vegetable seedling culture substrate based on tomato straw modification are produced.
Owner:SHANDONG ACADEMY OF AGRICULTURAL SCIENCES

Active multi-enzyme preparation with spleen-strengthening and stomach-harmonizing effects and preparation method of active multi-enzyme preparation

The invention relates to the field of functional food and pharmaceutical preparations, and discloses an active multienzyme preparation with spleen and stomach strengthening effects. The solid beverage is prepared from the following components in parts by weight: 10 to 20 parts of radix astragali seu hedysari extract, 5 to 10 parts of rhizoma atractylodis macrocephalae extract, 10 to 20 parts of poria cocos extract, 5 to 10 parts of pericarpium citri reticulatae extract, 5 to 10 parts of fructus crataegi extract, 5 to 10 parts of malt extract, 5 to 10 parts of alpha-amylase, 5 to 10 parts of protease, 2 to 5 parts of cellulase, 2 to 5 parts of pectinase, 2 to 5 parts of lipase, 10 to 15 parts of prebiotics, 2 to 5 parts of xylitol and 3 to 8 parts of microcapsule wrapping materials. The compound preparation with high stability and multiple functions is prepared by scientifically combining traditional Chinese medicine extracts and multiple active enzymes, combining with reasonable addition of prebiotics and auxiliary materials, adopting a micro-capsule wrapping technology to protect enzyme activity and optimizing traditional Chinese medicine extraction, component mixing and forming processes.
Owner:GUANGXI YIXINTANG HEALTH MANAGEMENT CO LTD

Ammonia hydrogen power generation system applying biogas to supply heat

The ammonia hydrogen power generation system comprises a sewage decomposition mechanism, a combustion mechanism, an ammonia decomposition reactor, a first water cooler, a second water cooler, an evaporator, a water circulation mechanism, a power generation mechanism, an ammonia tank and a flue gas treatment mechanism, and the sewage decomposition mechanism is connected with the combustion mechanism; the combustion mechanism is communicated with the ammonia decomposition reactor; the ammonia tank is sequentially communicated with the evaporator and the ammonia decomposition reactor; a decomposed gas outlet of the ammonia decomposition reactor is sequentially communicated with a first water cooler and a power generation mechanism; a flue gas outlet of the ammonia decomposition reactor is sequentially connected with a second water cooler and a flue gas treatment mechanism; the water circulation mechanism comprises a first water tank and a circulation water tank which are communicated, and the water circulation mechanism is communicated with the sewage decomposition mechanism; the circulating water tank, the first water cooler, the second water cooler and the evaporator are communicated in series. According to the ammonia hydrogen power generation system applying biogas to supply heat, the effective utilization rate of energy, the ammonia decomposition efficiency and the power generation capacity are improved, and the ammonia decomposition starting step is simplified.
Owner:FZU ZIJIN HYDROGEN POWER TECH CO LTD +1

Method for preparing pyrolytic oil from waste plastics

The invention provides a method for preparing pyrolytic oil from waste plastics, which comprises the following steps: (S1) supplying a waste plastic raw material to a pyrolysis reactor for pyrolysis, discharging gaseous flow generated by pyrolysis through the top of the pyrolysis reactor, and condensing the gaseous flow to obtain liquid oil; (S2) carrying out decompression treatment and condensation on residual oil at the bottom of the pyrolysis reactor to additionally obtain liquid oil; and (S3) refining the liquid oil obtained in steps (S1) and (S2), in which the pyrolysis is carried out by controlling the internal pressure of the reactor in a range of greater than 1 bar to 40 bar.
Owner:LG CHEM LTD

Method for intensively decomposing wolframite by using sulfuric acid

The invention belongs to the technical field of hydrometallurgy, and particularly relates to a method for intensively decomposing wolframite by sulfuric acid, which comprises the following steps: S1, grinding wolframite, adding a decomposition aid, mixing with sulfuric acid, heating and roasting at low temperature; s2, mixing the roasted material with water, stirring and leaching, and filtering to obtain filter residues; and S3, washing the filter residues with water, and then carrying out ammonia dissolution to obtain an ammonium tungstate solution. According to the method, single sulfuric acid is used, decomposition is strengthened through low-temperature roasting, the decomposition efficiency is improved, and compared with conventional acid decomposition, the tungsten conversion rate is larger than 99%, and the tungsten leaching rate is larger than 98%; the added cerium-based decomposition auxiliary agent does not generate gas, is not flammable and explosive, completely enters a solution after being soaked in water, and has no influence on the quality of subsequent products; the leaching process is carried out at normal pressure without high pressure, and the operation process is safe and reliable.
Owner:GANZHOU NONFERROUS METALLURGICAL RES INST

Method for degrading waste polypropylene through photo-thermal catalysis

The invention discloses a method for degrading waste polypropylene through photo-thermal catalysis, which comprises the following steps: mixing waste polypropylene and a catalyst, putting into a photo-thermal reaction environment, and realizing directional decomposition of polypropylene into propylene and propane through photo-thermal catalysis under the protection of inert gas, the catalyst is SrTiO3 / LaFeO3, and the molar ratio of SrTiO3 The photo-thermal reaction environment is as follows: the light intensity in the reactor is 10-400 sunlight, the temperature is 100-500 DEG C, and the pressure is 0.1-1 MPa; according to the method, the waste polypropylene can be completely decomposed, the selectivity of propane and propylene in decomposition products can reach 60% or above, a photo-thermal catalytic reaction environment required by the reaction can be provided by a condensation technology or a high-power light source, and the catalyst is a composite metal oxide semiconductor catalyst with a special out-phase junction structure; sunlight is used as driving force, energy conservation and environmental protection are achieved, and the obtained product has high economic value and good practical application prospects.
Owner:ZHEJIANG UNIV OF TECH

Slaughter house wastewater filtering treatment system

The present invention relates to the technical field of slaughter house wastewater treatment, particularly to a slaughter house wastewater filtration treatment system, which comprises: a pretreatment module, which comprises a grid for filtering solid pollutants and an air flotation tank for removing grease and suspended solids; the biological treatment module is connected with the pretreatment module and comprises a hydrolysis acidification tank for decomposing the organic matters into small-molecular organic matters and an aerobic tank for decomposing and removing the small-molecular organic matters; the filtering treatment module is connected with the biological treatment module and comprises a sedimentation tank for precipitating the wastewater subjected to biological treatment and a filtering tank which is connected with the sedimentation tank and is used for filtering the precipitated wastewater; the detection module comprises an image acquisition unit arranged in the air floatation tank and water quality detection units arranged in the aerobic tank and the sedimentation tank; the control module is connected with the pretreatment module, the biological treatment module, the filtration treatment module and the detection module, and the slaughter house wastewater treatment efficiency is improved.
Owner:SHENZHEN SHENSHUI WATER RESOURCES CONSULTING CO LTD

Multistage deodorization device of biological filter

The utility model discloses a multistage deodorization device of a biological filter, which relates to the technical field of waste gas treatment and comprises a treatment tank, the filter box is arranged on the outer surface of the treatment tank and is used for filtering; the sealing cover is arranged on the upper surface of the treatment tank; the heating unit is arranged in the treatment tank and is used for heating; the stirring unit is arranged in the treatment pond and used for stirring, the inner wall of the treatment pond is fixedly connected with a partition plate, and the interior of the filter box is detachably connected with a multi-stage filter screen plate. According to the utility model, the heating box, the circulating pump, the connecting pipe, the circulating heating pipe and the temperature controller are matched with one another to perform auxiliary heating on the interior of the treatment tank, so that microorganisms in the biological reaction tank are facilitated to decompose waste liquid; the waste liquid in the treatment pond can be conveniently and slowly stirred by adopting the mutual cooperation of the treatment pond, the filter box, the hydraulic cylinder, the limiting sliding rod, the moving plate, the connecting plate, the limiting block and the stirring roller, so that the decomposition efficiency of deodorization can be improved.
Owner:HEBEI HONGZE ENVIRONMENTAL PROTECTION EQUIP CO LTD

Wastewater AO treatment device

The utility model discloses a wastewater AO treatment device, which relates to the technical field of wastewater treatment and comprises a treatment tank, a top cover is arranged at the top of the treatment tank, a water inlet pipe is arranged on the side surface of the treatment tank, a blow-off pipe is arranged at the bottom of the treatment tank, and a mixing component is arranged in the middle of the top of the top cover and comprises a driving motor. A rotating rod is arranged at the bottom of the driving motor, a mounting ring and a positioning bolt are arranged outside the rotating rod, and a stirring paddle and a through groove are arranged on the side face of the mounting ring. According to the device disclosed by the utility model, wastewater and oxygen are fully mixed through the arranged mixing assembly, and the arranged driving motor drives the rotating rod and the mounting ring to rotate, so that the wastewater and the oxygen are fully mixed in the rotating process of the stirring paddle, and the wastewater decomposition efficiency is improved; and a hydraulic rod and an ejector plate are ejected through a hydraulic cylinder, so that the ejector plate drives the top cover and the mixing assembly to be separated from the treatment tank.
Owner:上海昱清环保工程有限公司

Method and device for predicting power generation data of wind power plant

The invention provides a method and a device for predicting power generation data of a wind power plant. When the future expected power generation data of the wind power plant is predicted, the prediction model of the wind power plant power generation data based on data decomposition obtained through training can be used to predict the future expected power generation data of the wind power plant, for example, the prediction model can be used for predicting the power generation data of the wind power plant. The wind power plant power generation data prediction model based on data decomposition comprises a plurality of power generation data prediction sub-models, each power generation data prediction sub-model respectively processes real power generation data of a target wind power plant in a historical time period to obtain respective output prediction components, and then, according to the respective output prediction components, the power generation data of the target wind power plant is predicted. Acquiring expected power generation data of the target wind power plant in a future time period; thus, the prediction accuracy of predicting the future expected power generation data of the wind power plant can be improved.
Owner:CHINA THREE GORGES CORPORATION

Sodium supplementing coating based on helical iron-carbon based composite material and preparation method thereof

ActiveCN122025879BEnrich interior spacecomprehensive area
The present application relates to the technical field of sodium battery materials, in particular to a sodium supplement coating based on a spiral iron-carbon composite material and a preparation method thereof, a spiral polypyrrole template is synthesized by a chiral template method, Fe3C@CNS spiral carbon composite material rich in Fe3C nanocrystals and iron single-atom sites is prepared through iron loading, sulfidation and high-temperature pyrolysis, Na2C2O4@Fe3C@CNS composite material is prepared by highly dispersing sodium oxalate on the surface and in the pores of the spiral carbon composite material through a recrystallization method, finally, a slurry is prepared by mixing the Na2C2O4@Fe3C@CNS composite material with a conductive agent and a binder, and the slurry is coated on the surface of an electrode to form a functional sodium supplement coating. The sodium supplement coating based on the spiral iron-carbon composite material and the preparation method thereof solve the problems of poor interface stability and first-cycle irreversible sodium loss of existing sodium ion batteries, realize efficient sodium pre-activation and interface synergistic regulation, and improve the comprehensive performance of the battery.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Polygon decomposition method, electronic device, and computer-readable storage medium

The application discloses a polygon decomposition method, an electronic device and a computer readable storage medium. The polygon decomposition method comprises the following steps: obtaining a to-be-decomposed polygon of an integrated circuit layout; obtaining a plurality of candidate polygon templates from a template library; performing shape matching processing and polygon update iteration processing on the to-be-decomposed polygon and the candidate polygon templates to obtain a shape matching result; and performing polygon decomposition processing on the to-be-decomposed polygon according to the shape matching result to obtain a trapezoidal set for manufacturing a mask after decomposition. According to the scheme of the embodiment of the application, the polygon in the integrated circuit layout can be efficiently decomposed, thereby reducing the decomposition time consumption and improving the universal applicability.
Owner:ZHUHAI RUIJING JUYUAN TECH CO LTD

Household garbage incineration fly ash low-temperature pyrolysis device and treatment method thereof

The invention relates to the technical field of fly ash treatment, and discloses a household garbage incineration fly ash low-temperature pyrolysis device which comprises a temporary ash storage bin, a spiral feeder and a heat treatment concentration chamber, a spiral conveying pipe of the spiral feeder sequentially comprises a feeding section, a metering section and a control section, the feeding section is communicated with the temporary ash storage bin, and the metering section is communicated with the heat treatment concentration chamber. A rotating shaft is rotationally mounted in the spiral conveying pipe, and spiral blades are distributed on the rotating shaft; a bearing plate and a pressing plate slide up and down on the inner wall of the control section of the spiral conveying pipe, when the pressing plate moves downwards, the pressing plate extrudes fly ash in the control section, the pressing plate extrudes the bearing plate to move downwards, and a reset piece for driving the bearing plate to reset upwards is installed in the spiral conveying pipe; the control section is connected with a discharging pipe, when the bearing plate resets, the discharging pipe is stopped from communicating with the control section, and the control section is provided with a soot blowing pipeline used for allowing inert gas to enter. According to the method, the removal rate of dioxin in fly ash can be higher than 95%, and the subsequent resource utilization requirement is met.
Owner:FUZHOU QINRONG ENVIRONMENTAL PROTECTION ENG

Thermal storage combustion deodorization device

A heat storage combustion deodorization device and an operation method of the heat storage combustion deodorization device are intended to have a compact structure that makes construction easier and improve the decomposition efficiency of organic matter in the treated gas. The heat storage combustion deodorization device (1) is composed of a combustion chamber (40), a heat storage area (10), a gas supply path (50), an exhaust path (60) and a purification path (70). The heat storage area (10) is composed of a heat storage chamber (11) that is connected to the combustion chamber (40) and has a heat storage body (12) built in each. The gas supply path (50) supplies the treated gas to the combustion chamber (40). The exhaust path (60) exhausts the exhaust gas to the atmosphere. The purification path (70) draws part of the exhaust gas from the combustion chamber (40) as the purification gas and circulates it to the gas supply path (50). The heat storage chamber (11) is divided into at least five chambers, and each heat storage chamber (11) is appropriately selected while performing the operation of the gas supply mode, the exhaust mode and the purification mode.
Owner:THERMAL POWER PLANT ENG CO LTD

A production device for shrimp farming fermented feed

The invention relates to a production device for shrimp culture fermented feed. Impurities in agricultural waste are removed by fine screening and the ratio of water to carbon source is adjusted to ensure that the materials entering the fermentation tank are uniform and suitable for microbial decomposition. A power device drives a stirring shaft and related components to achieve efficient mixing, crushing and primary fermentation strain inoculation. A high-pressure oxygen supply system and intelligent temperature control technology are combined to maintain optimal fermentation conditions and effectively improve the decomposition efficiency of organic matter. In addition, waste gas generated by primary fermentation is recovered and burned to convert into heat energy for heating a fermentation tank body to achieve energy recycling. In the process of material transfer, an adjusting component is used for fine cutting and secondary crushing. At the same time, a specific functional microbial preparation is added in the lower inner tank body to enrich the nutrient components of the feed, thereby achieving efficient conversion of agricultural waste resources and improving the economic benefits of the fermentation process.
Owner:JIANGSU HAIBO FEED TECH CO LTD

Gas compressor and stator assembly thereof

The invention aims to provide a gas compressor and a stator assembly thereof. The stator assembly comprises a casing assembly and a stator blade, the casing assembly comprises a first casing, a second casing and a third casing, the second casing and the first casing are clamped to form a first annular groove and are detachably connected with the first casing, and the third casing is provided with a second annular groove; a first flange and a second flange are arranged on the two sides, in the air inlet direction of the air compressor, of the stationary blade correspondingly. In the assembling state, the second flange is arranged in the second annular groove, the first flange is arranged in the first annular groove, a first matching part is arranged on the first casing and / or the second casing, a second matching part is arranged in the first flange, and when the first flange is arranged in the first annular groove, the first matching part is matched with the second matching part. The first matching part and the second matching part are matched to limit the first flange to be separated from the first ring groove in the axial direction of the gas compressor. By means of the stator assembly, the decomposition efficiency and the decomposition quality of the gas compressor can be improved.
Owner:AECC COMML AIRCRAFT ENGINE CO LTD

Preparation method and application of livestock breeding feed taking fruit wine residues as raw materials

The invention discloses a preparation method and application of a livestock breeding feed using fruit wine residues as raw materials, which are applied to the field of feed preparation, and aims to solve the problems of low resource utilization rate of fruit wine residues, waste of feed resources, low breeding benefits and the like. According to the method, fruit wine residues are pretreated and precisely compounded, a mineral adsorbent is added to optimize a structure so as to carry out mixing and tempering, multi-stage synergistic fermentation and dynamic regulation and control of a fermentation process, and intermittent stirring and weak forced ventilation are carried out during regulation and control; through the raw material classification and blending, the conditioning technology and the multi-stage synergistic fermentation technology, harmful gas emission in the fermentation process is effectively controlled, the stable fermentation environment is maintained, and the utilization rate of protein and microelements in the feed is remarkably increased; the fruit wine residues which are originally difficult to treat are converted into the high-quality livestock feed with balanced nutrition, so that wine brewing byproducts are turned into wealth, and the problem of environmental pollution caused by wastes is solved.
Owner:TIANJIN ANIMAL DISEASE PREVENTION & CONTROL CENT +1

Combined anaerobic ammonia oxidation sewage treatment device

The utility model relates to the technical field of sewage treatment equipment, and discloses a combined anaerobic ammonia oxidation sewage treatment device which comprises an aeration chamber, a water inlet is formed outside the aeration chamber, a fan is arranged on the left side of the aeration chamber, an air inlet pipe is fixedly mounted outside the fan, and an exhaust hopper is fixedly mounted at the top of the aeration chamber. By means of the aeration mixing mechanism, a motor is started, a piston is driven to convey oxygen into sewage, the dissolved oxygen amount is increased, the decomposition efficiency is improved, meanwhile, the mixing mechanism is driven, so that the dissolved oxygen amount in water can be rapidly increased, and the water quality is improved. According to the sewage treatment device, waste in sewage is decomposed quickly, decomposed water is transferred into a disinfection bin through a disinfection mechanism, harmful substances in the water are removed through a disinfection pipe, then the harmful substances are discharged and utilized, reutilization of resources is guaranteed, environmental pollution and influence on life of people are avoided, and the utilization rate is increased.
Owner:GUANGZHOU HUALYU ENVIRONMENTAL PROTECTION SCI & TECH CO LTD

Method for preparing semi-hydrated gypsum through desulfurization and acid returning

The invention relates to the technical field of wet-process phosphoric acid, and particularly discloses a method for preparing semi-hydrated gypsum by desulfurization and acid return, which comprises the following steps: S1, adding phosphorite into intermediate acid in the production process of semi-hydrated wet-process phosphoric acid for desulfurization treatment to obtain desulfurized slurry, cooling the slurry, and aging to obtain bottom ore pulp and top overflow desulfurized phosphoric acid; and S2, part of the desulfurized phosphoric acid obtained in the S1 returns to a semi-hydrated wet-process phosphoric acid reaction tank to fully react with phosphorite, then excessive sulfuric acid is added for reaction, and finally solid-liquid separation is performed to obtain semi-hydrated intermediate acid and semi-hydrated gypsum. According to the method disclosed by the invention, the desulfurized intermediate acid is used for decomposing the phosphate ore, so that the phenomenon of phosphate ore passivation easily caused by too high concentration of liquid-phase sulfate radicals in the semi-hydrated process is reduced, the phosphate ore acidolysis is more complete, the decomposition efficiency is higher, and the yield of phosphorus can be improved.
Owner:YIDU XINGFA CHEMICAL CO LTD

Heterojunction battery and preparation method thereof

The invention discloses a heterojunction battery and a preparation method thereof. The preparation method comprises the steps of preparing the semiconductor substrate layer; preparing intrinsic amorphous silicon layers on two opposite surfaces of the semiconductor substrate layer respectively; depositing a doping layer on the intrinsic amorphous silicon layer; and manufacturing a transparent conductive layer on the doped layer. The preparation of the doping layer on the intrinsic amorphous silicon layer comprises the following steps: depositing a collection layer on at least one intrinsic amorphous silicon layer; a microcrystalline silicon layer is deposited on the collection layer, and carrier gas used in the process of depositing the microcrystalline silicon layer comprises argon. In this way, the deposition efficiency of the microcrystalline silicon layer and the photoelectric conversion efficiency of the heterojunction cell can be improved.
Owner:JIANGSU MICROVIA NANO EQUIP TECH CO LTD

Anaerobic and aerobic combined sludge contact adsorption system and method thereof

The invention discloses an anaerobic-aerobic combined sludge contact adsorption system, which comprises a separation area (1) for stirring a first treatment liquid A, a second treatment liquid B and a third treatment liquid C generated by sewage through a filter membrane, and an analysis area (2) for separating and precipitating a fourth treatment liquid D to generate a fifth treatment liquid E and a sixth treatment liquid F, the anaerobic biochemical region (3) is used for carrying out anaerobic biochemical reaction on the fifth treatment liquid E to generate the seventh treatment liquid G; the AO biochemical area (4) is used for carrying out anaerobic / aerobic biochemical treatment on the sixth treated liquid F and the first treated liquid A to generate eighth treated liquid H; and the adsorption strengthening area (5) is used for carrying out aeration reaction on the eighth treated liquid H to generate ninth treated liquid J and sludge. According to the anaerobic and aerobic combined sludge contact adsorption system provided by the invention, the sludge is effectively treated by stages, so that the sludge treatment effect can be improved.
Owner:BEIJING PIONEER RUICHUANG ENVIRONMENTAL TECH CO LTD

A system and method for enhanced nitrogen and phosphorus removal tail water artificial wetland treatment

The present invention relates to a tailwater artificial wetland treatment system and method for enhanced denitrification and phosphorus removal, which comprises a pre-pond, a micron aerated vertical submerged flow wetland, a vertical submerged flow wetland, a horizontal submerged flow wetland and a stabilization pond arranged in sequence; an immersion bioreactor is arranged in the pre-pond, an integrated air / water distributor is arranged at the bottom of the micron aerated vertical submerged flow wetland, a calcareous centimeter stone and a slow-release carbon source composite functional filler are arranged in the vertical submerged flow wetland, and a slow-release carbon source composite functional filler and a sulfur iron functional filler are arranged in the horizontal direction in the horizontal submerged flow wetland. The system first performs preliminary purification, and then performs heteroaerobic denitrification and autoaerobic denitrification in deep purification, and simultaneously enhances phosphorus removal. It has the advantages of reasonable structural design, uniform water distribution and water collection, strong synchronous denitrification and phosphorus removal capabilities, and good winter operation effects, and significantly improves the denitrification and phosphorus removal capabilities and self-repair capabilities of the tailwater artificial wetland system, and has the advantages of ecological naturalness, high efficiency and stability, simple maintenance, and economical and practical.
Owner:BEIJING CAPITAL CO LTD +1

Low-ammonia denitration cement decomposing furnace

A low-ammonia denitration cement decomposing furnace relates to the technical field of decomposing furnaces, and structurally comprises a furnace body, a lower furnace body and a furnace top, the furnace top is arranged at the top of the furnace body, a discharge pipe is arranged above the furnace top, the lower furnace body is arranged below the furnace body and is conical, a combustor is arranged on the lower furnace body, and the lower furnace body is communicated with the furnace body. A tail flue gas pipeline is arranged at the bottom of the furnace lower body; two sides of the furnace body are respectively provided with a blanking pipe, the blanking pipes comprise a first-stage blanking pipe and a second-stage blanking pipe, the first-stage blanking pipe and the second-stage blanking pipe are respectively connected to the furnace body, and the first-stage blanking pipe is arranged above the second-stage blanking pipe. The boiler has the advantages that the boiler body is simple in structure, the combustors are connected with the coal conveying pipe, the multiple combustors are arranged, combustion is more sufficient, and the problem that due to insufficient combustion of pulverized coal, the consumption of ammonia water is large is solved; the blanking pipes are arranged in a grading manner, so that the decomposition efficiency of the raw materials is improved, and the energy-saving production of the cement decomposing furnace is ensured.
Owner:QINGHAI QILIANSHAN CEMENT CO LTD

A modular wastewater treatment device with both anaerobic and aerobic treatment modes

This invention discloses a modular wastewater treatment device with dual anaerobic and aerobic treatment modes, comprising two first conveying pipes and an anaerobic treatment chamber and an aerobic treatment chamber respectively connected to the two first conveying pipes. An aeration chamber is installed between the anaerobic and aerobic treatment chambers. The anaerobic treatment chamber is connected to the interior of the aeration chamber via a second conveying pipe. A collection component is installed on the aeration chamber. An air outlet component is installed inside the aerobic treatment chamber. An inlet pipe connected to the air outlet component is installed outside the aerobic treatment chamber and is connected to the collection component. A turning component is installed inside the anaerobic treatment chamber. A first push shaft is installed on the turning component and is connected to the collection component. A denitrification component and a phosphorus removal component are also connected between the anaerobic and aerobic treatment chambers. The turning component is connected to the aerobic treatment chamber via the phosphorus removal component, and the air outlet component is connected to the anaerobic treatment chamber via the denitrification component.
Owner:ANHUI GREEN TITAN ENVIRONMENTAL TECH