33results about How to "Maximum removal" patented technology

The invention discloses an efficient reverse-osmosis concentrated water treatment method. The method comprises steps as follows: 1), the pH range of reverse-osmosis concentrated water is adjusted to be 6-9; 2), H2O2 is added, and the mixture reacts for 5-20 minutes; 3), the mixture enters an ozonation tower, the concentration of O3 in the ozonation tower is 50-200 mg / L, and the reverse-osmosis concentrated water stays for 0.5 h-2 h in the tower; 4), the mixture enters an electrocatalytic oxidation reactor and stays for 0.5 h-1.5 h in the tower; 5), the mixture enters a coagulative precipitation tank, PAM (polyacrylamide) is added, the mixture is subjected to coagulation stirring through a stirrer for 15-20 min; 6), the mixture enters a mechanical filter after being settled by a sloping plate, and filtered effluent is discharged up to standard. The method is not only suitable for high-salinity and high-alkalinity concentrated water produced through reverse osmosis recycling treatment after various kinds of up-to-standard biochemical treatment and is also applicable to other wastewater difficult to treat. The CODcr of the treated effluent is reduced to be under 60 mg / L from 120-400 mg / L and reaches the first-grade B standard in Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002).

The invention discloses a method and device for determining arrangement of illuminance transducers and an illumination control system. The method comprises the steps that candidate arrangement positions of the illuminance transducers are determined, wherein the candidate arrangement positions of the illuminance transducers comprise positions of all interested points; the influence coefficients of all controllable light sources to the illuminance of all the candidate arrangement positions are determined, and the influence coefficients represent the sensitivity degrees of the illuminance of the candidate arrangement positions on the dimming levels of the controllable light sources; based on a performance evaluation function for evaluating the combined performance of the candidate arrangement positions, the arrangement positions used for arranging a second number of illuminance transducers are selected from the candidate arrangement positions, and the performance evaluation function for evaluating the combined performance of the candidate arrangement positions meets the condition that the lower the correlation among the measurement values of the combination of the candidate arrangement positions is, the higher the performance of the combination of the candidate arrangement positions is. By means of the method and device for determining arrangement of the illuminance transducers, the arrangement of the illuminance transducers is optimized by using correlation, cost can be saved, and the illuminance of all the interested points can still be obtained.

The invention relates to a method and a system for treating livestock and poultry culture wastewater, and belongs to the field of control of water pollution in environment engineering. The method comprises the following steps of separating solid and liquid of the livestock and poultry culture wastewater, further coagulating and precipitating to remove suspended solids in the wastewater; hydrolyzing the wastewater after removal of suspended solids, completely mixing, adjusting and homogenizing the quality and quantity of wastewater, and converting macromolecular organic pollutants into degradable micromolecular organic matters; adopting an anaerobic ammonia oxidation technique to remove the organic pollutants and ammonia-nitrogen in the wastewater; adopting an anoxic-aerobic technology to further degrade the organic matters in the wastewater, removing nitrogen and phosphor, and then separating sludge and water; finally, coagulating and precipitating again, and draining the up-to-standard effluent. The method has the advantages that the solid pollutants in the livestock and poultry culture wastewater are removed, and the organic pollutants and ammonia-nitrogen pollutants in the wastewater are effectively removed by steps and stages, so that the up-to-standard water can be drained; the technology is reliable, the treatment effect is good, and the running cost is low.

The invention relates to an industrial tail gas smoke dust and formaldehyde comprehensive treatment process and system. The process mainly comprises the following steps that tail gas enters a cyclonedust remover to be subjected to primary dust removal; tail gas enters a quench cooler to perform heat exchange with circulation water; the circulation water enters a rear-end heater after the heat exchange; the tail gas enters a washing device; clean water is used for spraying; the sewage after spraying enters a sewage treatment system; the sewage after the treatment enters the washing device to be cyclically used; the tail gas enters an electric mist eliminator to be subjected to gas-liquid separation; the tail gas enters a heater to perform heat exchange with the circulation water; the circulation water enters a front-end quench cooler after the heat exchange; the tail gas enters a chimney through a smoke discharge fan. The system has the advantages that the cyclone dust remover, the quench coolers, the washing device, the electric mist eliminator and the heater are used for serial connection operation; the smoke dust and the formaldehyde in the industrial tail gas can be removed tothe maximum degree; meanwhile, a white mist phenomenon is eliminated. The operation and the management of the process are convenient; the investment and operation cost is low; no influence can be caused on the existing production process; good application prospects are realized in treatment of industrial tail gas containing the smoke dust and the formaldehyde.

The invention belongs to the technical field of natural extract refining, in particular to a method for removing noxious substances in natural extract in high efficiency through supercritical treatment. The natural extract containing the noxious substances is pumped into an extraction kettle by a pump, wherein the technical parameters are that the pressure of the extraction kettle is between 10 and 40MPa, the temperature is between 32 and 60 DEG C; the pressure of a separation kettle is between 3.0 and 7.0MPa, and the temperature is between 30 and 45 DEG C; the flow rate of carbon dioxide is between 80 and 200L / h; and a residual product in the extraction kettle is discharged after the natural extract is maintained for 1 to 10 hours, and the residual product is the noxious substances-removed natural extract. Because the technology of supercritical treatment which is advanced and efficient is used, the noxious substances in the natural extract can be removed furthest, and industrial treatment can be realized.

Material is pneumatically excavated and removed by discharging air under pressure from an excavation nozzle at supersonic speeds in a forward direction for excavating the material, and simultaneously discharging air under pressure from an evacuation nozzle also at supersonic speeds in a rearward direction at an adjacent position rearward of the point of forward discharge for assisting the removal of the excavated material in a rearward direction. The evacuation nozzle is in the form of a continuous annular air stream that is maintained concentric with the excavation nozzle. The nozzles are sized to provide maximum excavation and removal efficiency in co-relation to the PSI and the CFM output capabilities of the selected air source and the nozzles are positioned sufficiently close to each other whereby dynamic flow coupling is established between the nozzles such that material digging and removal performance and efficiency are maximized.

The invention provides a mass data processing system and a method on the basis of a database, wherein the system comprises a database, a data collecting device, a data processing device and a data storage device, wherein the database is used for storing original data, the data collecting device is used for extracting data from the database according to set conditions and transmitting the extracted data to the data processing device, the data processing device is used for processing the received data in an odd-even alternation mode according to set dimensionality and transmitting the processed data to the data storage device, and the data storage device is used for storing the received processed data in a classified way. The mass data processing system and the method on the basis of the database disclosed by the invention have the advantages that the processing speed can be accelerated, and the storage space is saved, so the integral performance of the system is improved.

The invention discloses a novel precious metal snowflake pattern manufacturing method. The novel precious metal snowflake pattern manufacturing method comprises the steps that precious metal is manufactured to be of the needed specification in a pneumatic casting forming mode, then acid pickling and electrolysis are carried out on the precious metal, and therefore the precious metal with snowflake patterns is formed. By means of the method, as the pneumatic casting forming is adopted directly on the precious metal, crystal lattices will not crack or regroup, namely the crystal lattices can maintain the basically consistent size, and the display effect of the snowflake patterns is greatly improved.

The invention provides an apparatus for removing abdominal fat of a slaughtered chicken, comprising: a rotating unit that rotates about a central axis for rotation in a circumferential direction of atransfer converyor used for reversely hanging and transfering slaughtered chickens; a plurality of support units that rotate together with the rotating unit and supports slaughtered chicken suspendedfrom the transfer converyor below; and a plurality of abdominal fat removal units disposed above the support unit and rotating together the rotating unit, and the plurality of abdominal fat removal units each include an inserting module that is movable in a manner capable of being inserted into a belly of a slaughtered chicken suspended on the transfer converyor, the abdominal fat removal units being formed in order to be able to change up and down displacement in the rotation section so as to be formed to extract the fat in the abdomen of the slaughtered chicken by moving the insertion moduledown at a predetermined position to be inserted into the abdomen of the slaughter chicken and then moving the insertion module up.

The invention relates to a method for separating and purifying abalone proteins, which comprises the following steps of: 1, pulping washed abalone visceral organs, processing the obtained pulp in a high-voltage pulse electric field, centrifuging and removing supernatant fluid containing polysaccharide and fat to obtain abalone protein precipitates; and 2, washing proteins separated from the abalone visceral organs in edible alcohol, centrifuging, taking out the precipitates and eluting the precipitates repeatedly. Due to the adoption of the combination of a PEF (high pressure polyethylene) cell membrane electroporation technology and an ethanol decoloration technology, the yield and the purity of the proteins can be effectively improved and the obtained proteins have invariance property and high quality. The proteins can be further hydrolyzed to prepare condiments or functional health care products.

The invention relates to a method for treating cutting fluid waste water and recovering an active ingredient of a cutting fluid by utilizing an extraction process. The method comprises the following specific steps: (1) adding a base substance into filtered cutting fluid waste water, and performing demulsification; (2) performing centrifugation on the demulsified mixed liquid to separate a precipitate; (3) performing multi-stage countercurrent extraction on the centrifuged mixed liquid by using an extraction agent to obtain an extract and extraction wastewater; (4) performing distillation on the extract, wherein the distillate is used as a recovered extraction agent, and the tower kettle liquid is the active ingredient of the cutting fluid; and (5) performing adsorption refining treatment on the active ingredient of the obtained cutting fluid, wherein the processed active ingredient of the cutting fluid can be reused for preparing a cutting fluid to realize recycling. The method provided by the invention is simple and easy to operate, and can effectively reduce COD in the waste water and realize recycling of the active ingredient in the cutting fluid waste water, thereby having veryhigh industrial application value.

The invention provides a high-temperature-condensed-water oil removing technology. The high-temperature-condensed-water oil removing technology comprises a carrier-type membrane assembly filtering stage and an active carbon filter oil removing stage and includes the specific following steps that 1, high-temperature condensed water is injected into a carrier-type membrane assembly from a raw water tank through a circulating pump; 2, the carrier-type membrane assembly filtering stage is carried out in a cross flow filtration mode, wherein the membrane face flow speed is 0.1 m / s to 5 m / s, the transmembrane pressure difference is 0.01 MPa to 0.3 MPa, the filtering accuracy of the membrane assembly is 0.001 micron to 100 microns, and the recirculation ratio is 80% to 99%; 3, the active carbon filter oil removing stage is carried out in a dead-end filtration mode, wherein the filtering speed is 3 m / s to 5 m / s. Compared with the existing high-temperature-condensed-water oil removing technology, the high-temperature-condensed-water oil removing technology has the advantages that cost is low, oil removing efficiency is high, and produced water meets the requirement for boiler feedwater and stable in quality.

The invention discloses a starch syrup purification and concentration method and relates to the technical field of syrup production. The method comprises steps as follows: (1) plate frame filtration:syrup is introduced into a plate-and-frame filter press for press filtration; (2) ion filtration: syrup filtered in the step (1) is introduced into multiple ion exchanger groups to remove impurity ions in syrup; cation exchange resin is placed in a cation exchanger, and anion exchange resin is placed in an anion exchanger; (3) evaporation and concentration: the syrup filtered and purified in the (2) is introduced into a falling-film evaporator for evaporation and concentration; the falling-film evaporator is communicated with a heating device heating the inside of the falling-film evaporator;the syrup is preliminarily and rapidly filtered through the plate-and-frame filter press, then, impurity ions in syrup are purified in ion exchangers, and clean and high-purity syrup is obtained; then, the syrup is concentrated in the falling-film evaporator. By means of the heating device, the working temperature of the falling-film evaporator is increased, and the concentration is shortened.

The invention discloses a precious metal snowflake pattern manufacturing method. The method comprises the following steps of heating precious metal at high temperature for multiple times, and rolling so as to manufacture the precious metal into the required specification, and then carrying out acid pickling and electrolysis on the precious metal, thereby forming the precious metal with snowflake patterns. Crystal lattices of the precious metal can be cracked and recombined for multiple times by the method, and the recombination of the crystal lattices is relatively regular, so that the sizes of the crystal lattices are basically consistent, thereby improving the display effect of the snowflake patterns.

The invention discloses a milk breaking powder medium-sized grain milk replacer for piglets. The milk replacer comprises a mixed milk replacer material, a high-temperature pretreatment material, a normal-temperature first premix, a normal-temperature second premix and low-protein whey powder in a mixing ratio of (6-14): (4-8): (0.8-2.8): (0.6-1.4): (0.6-1.4), wherein the mixed milk replacer material is composed of the high-temperature pretreatment material, the normal-temperature first premix, the normal-temperature second premix and the low-protein whey powder in a ratio of 6:2:1: 1. The milkreplacer also comprises additives and probiotics. By adopting the secondary granulation technique, the primary granulation temperature is 90 DEG C or above, and the antigen can be maximally eliminated, thereby enhancing the palatability and digestibility of the feed, further enhancing the feed intake of the piglets and ensuring the growth efficiency of the piglets. By adopting the composite micro-ecology, Clostridium butyricum and other probiotics, the milk replacer can protect the intestinal tracts of the piglets, kill harmful bacteria, protect the intestinal health of the piglets and lowerthe morbidity of the piglets, thereby enhancing the survival rate of the piglets.

The invention belongs to the field of pharmacy, and relates to a traditional Chinese medicine composition and a preparation method thereof, in particular to a traditional Chinese medicine compositionwith an anti-inflammatory effect and a preparation method thereof. The traditional Chinese medicine composition is prepared from, by weight, 20-30% of herba picriae, 15-25% of herba sarcandrae, 10-20%of herba houttuyniae, 10-20% of radix ilics pubescentis, 5-15% of radix scutellariae, 2-5% of licorice roots and 20-25% of a flavoring agent.

The invention relates to a slurry reactor methanol synthesis process. The slurry reactor methanol synthesis process is characterized by comprising the following steps: mixing raw material gas from upstream with circulating gas to form mixed gas, enabling the mixed gas to enter a shell side of the reactor from the bottom after heat exchange to be in contact with a catalyst in the shell side to perform reaction; enabling bubble point boiler water to enter a tube side of the reactor; discharging the reaction gas generated by the reaction out of the top of the reactor and enabling the reaction gas to enter a separator to perform separation; enabling the separated non-gas phase to return to the reactor from the gas phase space at the upper part of the reactor, enabling the separated gas phase, namely crude methanol synthesis gas, to enter a gas liquid separator after heat exchange, pressurizing the separated gas phase to serve as circulating gas, wherein the separated liquid phase is crude methanol; when catalyst abrasion reaches to a set value, extracting catalyst slurry from the reactor; supplementing fresh catalyst slurry into the shell side of the reactor. According to the slurry reactor methanol synthesis process, the catalyst can be changed timely without shutdown.

The invention provides a high-temperature condensed water degreasing process, which comprises carrier type membrane module filtering degreasing and active carbon filter degreasing. The high-temperature condensate degreasing process includes the carrier-type membrane module filtration stage and the activated carbon filter degreasing stage. The specific process is as follows: (1) The high-temperature condensate is injected into the carrier-type membrane module through the circulating pump from the raw water tank; (2) the carrier-type membrane module The filtration stage is carried out in a cross-flow filtration mode, the membrane surface flow velocity is 0.1-5m / s, the transmembrane pressure difference is 0.01-0.3MPa, the filtration accuracy of the membrane module is 0.001-100 microns, and the circulation ratio is 80%-99%; (3 ) The degreasing stage of the activated carbon filter is carried out by dead-end filtration, and the filtration rate is 3‑5m / s. Compared with the existing high-temperature condensate water degreasing process, the present invention has the advantages of low cost, high degreasing efficiency, produced water meeting boiler feed water requirements, and constant water quality.

The invention discloses a novel precious metal snowflake pattern manufacturing method. The novel precious metal snowflake pattern manufacturing method comprises the steps that precious metal is manufactured to be of the needed specification in a pneumatic casting forming mode, then acid pickling and electrolysis are carried out on the precious metal, and therefore the precious metal with snowflake patterns is formed. By means of the method, as the pneumatic casting forming is adopted directly on the precious metal, crystal lattices will not crack or regroup, namely the crystal lattices can maintain the basically consistent size, and the display effect of the snowflake patterns is greatly improved.

The invention belongs to the field of drug synthesis, and particularly relates to a pitavastatin (III) refining method. According to the present invention, the pitavastatin crude product (III) and D-(+)-alpha-methylbenzylamine salt form the salt in the mixed solvent so as to maximally remove the impurities; the refining is performed with the mixed solvent, wherein the solvent used for beating is less so as to increase the yield, reduce the solvent consumption and reduce the cost; and pitavastatin (III) is unstable, wherein the solvent is pre-heated, and the beating temperature is lower than the boiling point of the organic solvent in the mixed solvent so as to shorten the heating time of the product and avoid the generation of the impurities.

The invention provides a method for detecting long tandem repeat sequences based on the Bionano platform. The method of the present invention filters the Bionano data by constructing a naive Bayesian classifier machine learning model, removes false positive errors of insertion and deletion sites, and realizes long series repeat unit counting based on a comparison algorithm, reduces running time, calculation resource consumption. The method can also combine the clustering analysis algorithm and the number of repeating units on each reads to determine whether the genotype of the sample is homozygous, heterozygous or chimera.

The invention discloses a dust gas and organic waste gas purification and filtration environmental protection treatment system, which comprises an operation area, a water cooling air conditioner, a washing tower for removing dust in waste gas, a UV photolysis device for removing organic matters in the waste gas, and a fan, the water-cooling air conditioner is communicated with an air inlet of theoperation area, the air outlet of the operation area, the washing tower, the UV photolysis device and the fan are sequentially communicated, and the waste gas sequentially passes through the washing tower and the UV photolysis device from the operation area and then is discharged by utilizing the fan. The environment-friendly treatment system is low in cost and good in treatment effect.

The invention provides a mass data processing system and a method on the basis of a database, wherein the system comprises a database, a data collecting device, a data processing device and a data storage device, wherein the database is used for storing original data, the data collecting device is used for extracting data from the database according to set conditions and transmitting the extracted data to the data processing device, the data processing device is used for processing the received data in an odd-even alternation mode according to set dimensionality and transmitting the processed data to the data storage device, and the data storage device is used for storing the received processed data in a classified way. The mass data processing system and the method on the basis of the database disclosed by the invention have the advantages that the processing speed can be accelerated, and the storage space is saved, so the integral performance of the system is improved.

The invention relates to the technical field of traditional Chinese medicines, in particular to edible and medicinal dual-purpose composition for gynecological postpartum tonifying qi and promoting lactation and a preparation method of the edible and medicinal dual-purpose composition. Effective components of the product are prepared from the following raw materials: radix angelicae, corn stigma,fructus fici, longan, semen phaseoli, radix pueraiae, fructus chaenomelis lagenariae, radix platycodonis and fructus ziziphi jujubae, wherein the fructus fici and the longan are taken as monarch drugs; the radix angelicae and the corn stigma are taken as minister drugs, and the semen phaseoli, radix pueraiae, fructus chaenomelis lagenariae, radix platycodonis and fructus ziziphi jujubae are takenas assistant and guide drugs. The composition has the effects of invigorating qi and spleen, soothing the liver and relieving depression, dredging orifices and promoting lactation. The composition isused for treating small amount of milk and the like due to gloomy mood and breast distending pain caused by insufficiency of qi and blood and stagnation of liver Qi. Harmful and ineffective components such as heavy metals, agricultural residues, chemical residues and impurities are removed to the greatest extent by selecting and combining directional extraction technologies such as repeated differential pressure fluid wall breaking, continuous gradient molecular sieve filtration, low-temperature concentration, drying and crystallization and near infrared spectrum on-line analysis, and activecomponents are extracted efficiently and completely.