40results about How to "Guaranteed enrichment" patented technology

The invention discloses an automatic-control-based denitrifying methane anaerobic oxidizing bacteria enrichment system, which comprises a methane inlet gas flow meter, an argon inlet gas flow meter, an outlet gas flow meter, a methane inlet automatic regulating valve, an argon inlet automatic regulating valve, a water inlet automatic regulating valve, an acid and alkali liquor input automatic regulating valve, a flange, a dissolved oxygen probe, a pH probe, a methane probe, a mechanical stirring blade, a reactor main body, a gas uniform distributor, a dissolved oxygen alarm, a methane alarm, a data acquisition and analysis regulating device, a biomass interceptor and a reflux pump. The invention has the advantages that: 1) the system is provided with the gas uniform distributor and the mechanical stirring blade, so that a substrate can be fully mixed with microorganisms easily, and high-efficiency enrichment is realized; 2) parameters are monitored and fed back in real time in an automatic control mode, the normal operation of the enrichment system is ensured, and manpower is reduced simultaneously; 3) the system is provided with the biomass interceptor, so that biomass is prevented from being lost; and 4) the system has a concise structure and is easy to process and convenient to universally apply.

The invention discloses a method for testing the destructive effect and the performance impact of alkali metal and zinc vapor to coke. The method comprises the following steps: uniformly mixing excessive active carbon powder and alkali metal carbonate or zinc oxide, arranging the mixture in a corundum crucible internally provided with a step, arranging a porous corundum gasket on the step in the crucible, arranging a reacting coke sample on the gasket, covering a cover, keeping a container in a sealing state; arranging the container in a constant-temperature region of a muffle furnace, raising the temperature to 1300 DEG C at a certain rate, keeping the temperature for 90min to ensure that metal steam is completely absorbed by coke; after reacting, recording the mass of a coke sample with the particle size being more than 23mm, calculating the specific gravity of the pulverized coke; and testing a thermal state performance of a sample which is eroded by metal vapor. The method is capable of singly representing a direct destructive effect of the metal vapor to the coke, is beneficial to finding a relationship between the steam enrichment and the coke performance, and provides a quantization basis for reasonably controlling an alkali load and a zinc load which are charged in a blast furnace.

The invention provides a method for low energy consumption sewage treatment with two stages of pretreatment and micro aeration, and the method comprises the following steps: a) pretreatment of sewage, that is adsorption of organic matters and suspension substances in sewage by microorganisms; b) settlement of sewage; c) denitrification of sewage, that is transformation of ammonia nitrogen in the sewage into nitrite nitrogen by nitrite bacteria, and transformation of ammonia nitrogen and nitrite nitrogen into nitrogen at the same time by anaerobic ammonium oxidation bacteria for realizing denitrification. A sewage treatment system provided by the invention comprises a pretreatment pool, a pretreatment sedimentation basin, a denitrification pool, a blower, a controller and a detector; the blower is used for realizing aeration, and the detector is used for detecting water quality, and the controller controls the operation of the sewage treatment system. The sewage treatment system and method provided by the invention transform most nitrogen elements into nitrogen by using denitrification of the anaerobic ammonium oxidation bacteria, so that the nitrogen element is departed from the water body and pollutants indeed. During a sludge treatment phase, organic matters are transformed into energy by anaerobic fermentation, and the energy can considerably supplement the electric quantity consumption of the sewage factory itself, and the activity of the denitrifying bacteria is kept.

The invention discloses a processing method of functional brown sugar rich in polyphenols. The processing method comprises following steps: sugarcane is juiced so as to obtain a raw material liquid, lime milk is added, and an obtained mixture is heated so as to obtain a heated raw material solution; a first-grade ceramic membrane is used for filtering so as to obtain a first grade membrane clear juice and a first grade membrane condensed juice; a second membrane is used for filtering so as to obtain a second membrane grade clear juice and a polyphenols-enriched second grade membrane condensed juice; and the polyphenols-enriched second grade membrane condensed juice is used for producing the functional brown sugar rich in polyphenols, wherein at least one or a plurality of ingredients selected from colla corii asini, red date, longan, Angelica sinensis, Radix Codonopsis, Chinese wolfberry, bulbus lilii, herba leonuri, and ginger are taken as functional ingredients, and are decocted with water so as to obtain a solution, or dried and smashed into powder, the polyphenols-enriched second grade membrane condensed juice is subjected to evaporation concentration and is mixed with the solution or the powder, and sugar boiling, graining, moulding, and packaging are carried out so as to obtain the functional brown sugar rich in polyphenols. According to the processing method, effective enrichment of polyphenols is realized, a plurality of functional ingredients which can be taken as both medicine and food are added, the content of polyphenols is 4 to 8 times higher than that of brown sugar obtained via traditional technology, and brown sugar quality and nutrient value are improved.

The invention relates to a method for extracting antrodia camphorata oil from antrodia camphorata sporophore. The method comprises the following steps: firstly drying and grinding antrodia camphorata, and successively adding into a slant medium and a shaking medium for culture, so as to obtain an antrodia camphorata sporophore fermentation liquid; then performing vacuum condensation on the sporophore fermentation liquid to have a volume accounting for 1/4-1/5 of the original volume, drying to obtain a constant weight, crushing and sieving; and finally packing the sporophore subjected to crushing and sieving into an extraction kettle of a supercritical CO2 extraction apparatus, adding an entrainer to extract antrodia camphorata oil, after extraction, successively transferring into a separation kettle I and a separation kettle II for separation, performing centrifugal separation on the mixed liquid subjected to separation at a centrifugation speed of 5000-8000 r/min, and collecting antrodia camphorata oil. According to the method, the sporophore fermentation liquid is condensed under the condition of vacuum, so that grease oxidation is avoided, and the sample is guaranteed to be condensed at a relatively low temperature. Temperature and pressure for extraction and separation are optimized and limited, so that maximum production and sufficient extraction and separation of antrodia camphorata oil are guaranteed.

The invention relates to a production line of black sugar rich in polyphenol. Squeezing equipment, impurity removal and filtration equipment, a preliming cylinder, a tubular heat exchanger and a steam heater of the production line are sequentially connected, a lime milk storage cylinder is connected with the preliming cylinder, the outlet of the steam heater is connected with the inlet of a primary ceramic membrane, the concentrated solution outlet of the primary ceramic membrane is connected with the preliming cylinder by virtue of full charging equipment and a plate-and-frame filter press, and the clear solution outlet of the primary ceramic membrane is connected with the inlet of a secondary nanofiltration membrane; the concentrated solution outlet of the secondary nanofiltration membrane is connected with black sugar packaging equipment by virtue of vacuum evaporation concentration equipment, constant pressure concentration equipment, a nucleation box and a moulding die sequentially; and the clear solution outlet of the secondary nanofiltration membrane is connected with a white granulated sugar production line. The production line of the black sugar rich in polyphenol has the advantages that two stages of ceramic membranes with different membrane pore diameters are adopted for filtering sugarcane juice, concentrated juice filtered by two stages of membranes is adopted for producing the black sugar rich in polyphenol, a functional ingredient, namely polyphenol, in the concentrated juice obtained by virtue of the two stages of membranes is effectively enriched, enrichment efficiency is improved by 4-8 times compared with the traditional production technology, and quality and nutritional value of the black sugar are improved.

The invention discloses a sampling device of a chromatographic on-line analysis system and a method for processing samples by using the same. The device includes a sampling pipeline, a tubular passage connecting the sample to be tested and a chromatograph, and the device is used during the process of transporting the sample to be tested. It is directly heated and/or cooled to realize the processing of the sample to be tested; the thermocouple is connected with the sampling pipeline and the controller, and is used to measure the temperature of the sampling pipeline; the controller, according to the substance of the sample to be tested The transmission requirement and the measured temperature value of the sample injection pipeline control the temperature adjustment of the sample injection pipeline. The device ensures the enrichment and rapid release of substances with different molecular weights, and at the same time, the heat preservation of the pipeline is uniform, which avoids the residue of the substance to be tested before entering the chromatograph, and improves the detection accuracy.

The invention provides a preparation method for a titanium dioxide photocatalyst. The preparation method comprises the following steps: preparing a molybdenum sulfate nano-cluster solution; dispersingnanometer titanium dioxide and the molybdenum sulfate nano-cluster solution in absolute ethyl alcohol, carrying out a reaction at a room temperature, and carrying out centrifuging, washing and dryingso as to obtain the titanium dioxide photocatalyst, wherein the preparation method for the molybdenum sulfate nano-cluster solution comprises the following steps: dissolving a sulfur source and a molybdenum source in deionized water, carrying out a reaction at 50 to 110 DEG C, and carrying out centrifuging and washing for a plurality of times so as to obtain the molybdenum sulfate nano-cluster solution. According to the invention, through control of conditions like a proportion of the sulfur source and the molybdenum source, a reaction temperature, reaction time and washing times, the clustersize of a molybdenum sulfate nano-cluster can be controlled, so adjustment and control of cocatalyst activity are realized.

The invention relates to an intelligent regulation and control system and a method for preparing high-added-value products from SO2 absorption by-products, and the system comprises a flue gas purification cooling subsystem, a flue gas desulfurization subsystem, an ammonium bisulfite refining subsystem, a hydroxylamine sulfate preparation subsystem and a high-added-value product preparation subsystem which are sequentially arranged, the flue gas purification cooling subsystem and the flue gas desulfurization subsystem are arranged in a flue between an SCR denitration system and a power plant chimney, and the flue gas desulfurization subsystem, the hydroxylamine sulfate preparation subsystem and the high value-added product preparation subsystem are respectively connected with an intelligent regulation and control subsystem. According to the invention, multi-means such as flue gas purification and cooling, segmented efficient desulfurization, ammonium bisulfite refining, high-added-value product preparation, intelligent multi-factor regulation and control and the like are adopted, so that full-process multi-means matching optimization control such as flue gas pre-purification and washing-ammonium bisulfite oxidation inhibition-oxime intermediate refining and the like is realized; and preparation of high-added-value products such as finished oxime is realized at low cost at the same time of realizing high efficiency SO2 removing.

The invention relates to an extraction method of traditional Chinese medicine volatile components. The extraction method of traditional Chinese medicine volatile components comprises the following steps: taking traditional Chinese medicinal materials or traditional Chinese medicine preparations containing volatile components, and carrying out at least one time of water adding decocting to obtain awater decoction containing the volatile components; and carrying out reduced pressure evaporation on the water decoction containing the volatile components, and collecting an evaporated liquid. The extraction method can effectively avoid the situation that volatile components are damaged and are inconsistent with components in a decoction in a traditional extraction method, and is suitable for traditional Chinese medicinal material varieties which are difficult to distill, separate and collect the volatile components. Meanwhile, no extra impurity component is introduced, so that the product safety and effectiveness are guaranteed.

The invention relates to a spraying process of an on-line coating protection technology in a high-temperature heat treatment process. The spraying process comprises the following steps that A, a coating is added into a storage tank according to a liquid and powder; B, the powder is weighed, and the liquid is metered by a flow meter, the automatic proportioning and feeding are carried out by controlling of a system into a composite material preparation tank; C, after the composite material preparation tank is used for fully and uniformly compounding the powder and the liquid, and then the powder and the liquid are input into a spraying tank; D, the spraying tank is pressurized, and spraying preparation is automatically finished by the system; E, the oxide skin drifted away and partially pasted on the surface of a steel billet is removed and cleaned; F, after the spraying system receives a steel billet feeding signal, the coating is sent out by pressure from a nozzle, is forced to be atomized by compressed air at a nozzle port, and is uniformly sprayed on the surface of the steel billet in a sector shape; and G, air-blowing and water-washing are carried out to clean the nozzle, a machine is waited for the next steel billet. The spraying process has the effects that after metal is subjected to high-temperature heat treatment, the anti-oxidation effect is greatly improved, the yield is increased, the phosphorus removal effect is improved, the surface quality and the smoothness degree of a product are improved, the surface elements of the product are prevented from losing and enriching.

The invention discloses a process for recovering uranium in water by photocatalytic reduction immobilization, electrooxidation enrichment and precipitation separation, which belongs to the technical field of precious metal recovery, and comprises the following three steps: photocatalytic reduction immobilization, electrooxidation enrichment and precipitation separation, and uranium extraction, enrichment, precipitation and recovery are realized by photocatalysis, electrooxidation and precipitation technologies. According to the method, uranium is extracted from the uranium-containing waste liquid through illumination, uranium is enriched through an electrooxidation method, uranium is separated and recycled through a precipitation method, and the methods are mild in condition, low in energy consumption and high in recovery rate, have simple and easily available equipment requirements and have good market prospects.