207results about How to "Concentration effect is good" patented technology

The invention discloses a method for deeply purifying and recovering hyperhaline fluoric-U radioactive waste solution. The method comprises three sequent treatment phases including pretreatment, enrichment and separation of U-F and recovery of U, and can be further finely divided into 7 treatment units, including lower temperature reduction separation, chemical sedimentation, film filtering, step-grade organism enrichment-film filtering separation or step ion exchange, deposit fluorine removal solid-liquid separation, microwave tower treatment and resource recovery of U; under the condition that the salinity of waste solution to be treated is 0.1-10%, the initial U concentration is 0.1-1000mg/L, and the fluorine concentration is 0.01-15g/L, after treatment, the concentration of U is not larger than 0.05mg/L, the concentration of the fluorine is not higher than 10mg/L, and the recovery rate of U is larger than 90%. The method for deeply purifying and recovering hyperhaline fluoric-U radioactive waste solution is suitable for treating hyperhaline fluoric-U radioactive waste solution and the resource recovery of radioactive U.

The invention relates to a micromolecule walnut peptide and a preparation method thereof. The preparation method sequentially comprises the following steps of protein extraction, twice enzymolysis, filtering, purification, concentration and drying. In the twice enzymolysis process, alkaline protease with the mass being 1-3% that of the walnut protein is added into a walnut protein extracting solution for once enzymolysis; enzyme deactivation is performed on a once enzymolysis solution after the once enzymolysis is finished; one or more kinds of proteinase including the flavored proteinase, the neutral proteinase and the papain with the mass being 1-3% that of the walnut protein are added after the once enzymolysis solution obtained after enzyme deactivation is performed is cooled for secondary enzymolysis. According to the preparation method, the twice enzymolysis method is adopted, due to the specificity of the structure of the walnut protein structure, sufficient enzymolysis cannot be performed on the walnut protein through enzymolysis of one proteinase, and the twice enzymolysis method is adopted for ensuring that the enzymolysis is brought into play on the most suitable condition of each proteinase, and therefore the obtained walnut peptide content is high.

In an antenna coil including a first magnetic core, a second magnetic core, and a flexible board, coil conductors are provided on a surface of the flexible board. By winding the flexible board around the first magnetic core and the second magnetic core, a first coil portion is disposed around the first magnetic core and a second coil portion is disposed around the second magnetic core. The winding direction of the second coil portion is opposite to that of the first coil portion. The first coil portion and the second coil portion are connected to define one coil as a whole.

The invention relates to a broomrape extract, broomrape total glycoside and broomrape polysaccharide, which are prepared by adopting water or methanol or ethanol as an extracting solvent and by means of decoction, reflux, diacolation, immersion or supersound. The broomrape extract and the broomrape total glycoside are subjected to further pharmacodynamic experiments such as oxidation resistance, fatigue resistance, senile dementia resistance and hepatitis resistance; the application of the broomrape extract, the broomrape total glycoside and the broomrape polysaccharide in the aspect of preventing and treating diseases is elaborated; and a novel approach and novel application are provided for further utilization of broomrape plants.

The invention discloses a process for screening and refining wheat starch. The process comprises the following steps: screening starch slurry material by a 250-mesh primary centrifugal screen at the rotation speed of 900r/min, screening oversize materials by a 200-mesh secondary centrifugal screen at a rotation speed of 900r/min, collecting the undersized materials screened out by the primary and the secondary centrifugal screen and feeding into a primary horizontal-spiral decanter centrifuge for separation treatment, wherein obtained light-phase substances such as soluble proteins and sugar can be treated in other ways, the obtained starch phase is concentrated by a secondary horizontal-spiral decanter centrifuge to obtain the finished starch slurry; and drying the finished starch slurry to obtain the standard finished starch product. Compared with the prior art, the process has the advantages of simple technology and reduction of energy consumption due to the use of the horizontal-spiral decanter centrifuge instead of the cyclone separator unit used in the conventional processes.

The invention provides a treating system and treating method for feces in a dairy farm. The treating system is formed by connection of units like a residue removing tank, a grating, a regulating tank, a solid-liquid separator, a hydrolysis-acidification tank, an UASB tank, an anoxic tank, an anaerobic tank, an aerobic tank, a secondary sedimentation tank and a disinfection tank. According to the invention, difficulties in treatment of feces in the dairy farm are all taken into consideration; a combined process of hydrolysis and acidification, treatment with the UASB tank, A/A/O (anoxic-anaerobic-aerobic) treatment and settlement is employed; and the treatment method follows the principles of and concept of circular economy, realizes high-efficiency treatment of high-concentration organic waste water and a great amount of undigested fiber in cow dung, recovers biogas, reduces investment cost and operation cost for treatment of feces, carries out harmless and economic treatment of feces in the dairy farm as much as possible, and can meet demands of treatment of feces and sewage in the dairy farm.

The invention relates to an active sludge floatation thickening device and method for a membrane biological reaction tank process. The device is provided with a flocculation reaction tank, a floatation tank and a water storage tank, wherein a blender, a sludge feeding port and a doser are arranged in the flocculation reaction tank; the floatation tank is provided with dissolved air release regions and floatation regions separated by half weirs, a sludge discharge trough and a sludge scraper, and a sludge collection pipeline is arranged at the bottom of the floatation tank; and the water storage tank is connected to the back side of the floatation tank, and is provided with a level regulator and a quick air-dissolving device. The method comprises the following steps: 1, controlling the discharge amount of surplus sludge; 2, adding a flocculant; 3, mixing the flocculated sludge with the air-dissolved water to form adhesions; 4, regulating surface solid loads in the floatation regions; 5, discharging clear solutions in the floatation regions; and 6, discharging the sludge. The invention is applicable to activated sludge thickening treatment in the membrane biological reaction tank process, and has the advantages of simple structure, reasonable design, convenient operation process and favorable effect.

The invention provides a cantilever automatic assembly system and method. The system comprises a cantilever locating supporting pipe cutoff device, a cantilever cutoff device and a cantilever assemblydevice. The cantilever assembly device comprises a cantilever assembly device rack, a locating ring grabbing mechanism, a double-sleeve connector grabbing mechanism, a force bearing lock seat grabbing mechanism, a grabbing left and right translation mechanism, a chamfering mechanism, a front-back translation mechanism, a double-tightening mechanism, a locating ring storage cavity, a double-sleeveconnector storage cavity, a force bearing lock seat storage cavity, a four-tightening mechanism, a pipe turning mechanism, a pipe taking mechanism, a cantilever assembly electric control cabinet anda cantilever assembly pipe discharge mechanism. The cantilever automatic assembly system is simple in structure, convenient to operate, capable of effectively improving the production efficiency and also capable of reducing the problem of low yield caused by artificial deviation due to reduction of artificial operation.

The invention provides a fluorine-containing sulfuric acid separation concentration method, which comprises the following steps of: providing a raw material liquid which contains sulfuric acid and hydrofluoric acid; and heating the raw material liquid at the pressure of minus 50Pa to minus 100Pa to the temperature of 110-130 DEG C to obtain concentrated sulfuric acid and mixed gases. The invention also provides a fluorine-containing sulfuric acid separation concentration device. According to the invention, when the raw material liquid containing sulfuric acid and hydrofluoric acid are heated at the pressure of minus 50Pa to minus 100Pa to the temperature of 110-130 DEG C, hydrofluoric acid and water in the raw material liquid are separated from sulfuric acid through the form of gaseous hydrogen fluoride and stream, and impurity separation and concentration of sulfuric acid can be simultaneously realized to obtain the mixed gases containing gaseous hydrogen fluoride and concentrated sulfuric acid. The separation concentration method provided by the invention can be used to separate hydrofluoric acid as an impurity from sulfuric acid and simultaneously condense dilute sulfuric acid into concentrated sulfuric acid. The method provided by the invention is simple and has a good separation concentration effect.

The invention relates to a device used for the condensation of strong magnetic mineral. An efficient condensation magnet separator used for the condensation of strong magnetic mineral is characterized in that the efficient condensation magnet separator comprises a feeding box, a guide plate, a circular cylinder, a permanent magnet, an unloading plate, a damper, a collecting bucket, a separation plate, a bottom box and a frame; the permanent magnet is arranged in the cavity of the circular cylinder, and an axle on the circular cylinder is connected with a transmission mechanism; the bottom box is arranged at the lower part of the circular cylinder, the separation plate is arranged between the circular cylinder and the bottom box, a separation groove is formed between the separation plate and the circular cylinder, and a overflow channel is formed between the separation plate and the bottom box; the feeding box is positioned on the left side of the circular cylinder, the guide plate is fixedly connected in the opening position of the feeding box, and the guide plate is positioned at the upper part of the separation groove; the collecting bucket is positioned on the right side of the circular cylinder, and the collecting bucket is fixedly connected with the frame; the unloading plate is positioned in the collecting bucket, the unloading plate and the circular cylinder are distributed in the tangential direction, and the unloading plate is fixedly connected with the frame. The condensation magnet separator has the advantages that the content of the product solids after the condensation is high, and the condensation effect is good.

The invention relates to integrated water purifying equipment for concurrent inclined plate precipitation. A main body is concentrically partitioned into inner, middle and outer cylinders, which are respectively a flocculation zone, a filter zone and a concurrent inclined plate precipitation zone, wherein a water distributing zone is arranged at the upper segment of the concurrent inclined plate precipitation zone; an inclined plate group zone is arranged at the middle segment; a sludge concentrating chamber is arranged at the lower end; a water collecting zone is arranged between the water distributing zone, the inclined plate group zone and the filter zone; the bottom part of the water collecting zone is respectively communicated with the inclined plate group zone and the filter zone through pores; a circle of inclined plates are evenly distributed in the inclined plate group zone; the inclination angles theta of the inclined plates are 30-45 degrees; and the pores are arranged at the positions between the tail ends of two adjacent inclined plates at the bottom part of the water collecting zone and are communicated with the inclined plate group zone and the water collecting zone. The concurrent inclined plate precipitation technique is applied to the integrated water purifying equipment; flocculation, concurrent inclined plate precipitation and filtering are combined together; and the treatment process is independently and synergetically finished, so that the flocculation, concurrent inclined plate precipitation and filtering fully develop the advantages; and the integrated water purifying equipment is good in treatment effect, compact and reasonable, small in floor area, and convenient to install.

The invention discloses a scraper evaporator, and relates to a concentrating and solvent recovering apparatus. The apparatus comprises a hollow tank, the top of the tank is provided with a motor, a rotating shaft is vertically arranged in the tank, the output end of the motor is connected with the rotating shaft, one end of the rotating shaft far from the motor is provided with a scraper plate, a jacket is arranged outside the tank, a plurality of reinforcing ribs are arranged on the surface of the inner sidewall of the tank, the rotating shaft between the motor and the scraper plate is provided with a plurality of stirring blades, and the stirring blades are vertically arranged in a parallel interval manner; and the lower end of the tank is provided with a fixing seat. The apparatus has the advantages of good concentration effect, unlikely shaking of the rotating shaft driving the scraper plate to rotate, use safety, convenience and practicality.

The invention discloses a method for simultaneously measuring the residue contents of five weedicides with different structures in soil, and belongs to the technical field of physicochemical detection of pesticide residues in the soil. Specifically, the residue contents of three types of five weedicides with different structures in the soil are directly measured by a high-performance liquid chromatographic (HPLC) instrument by combining dispersive solid-phase extraction (DSPE) with dispersive liquid-liquid microextraction (DLLME). According to the method, the defects and the condition limitations in the prior art are overcome, a method for pre-treating a soil sample and the detection conditions of the instrument are optimized, a DSPE-DLLME-HPLC method is built for simultaneously detecting three types of five weedicides (metsulfuron methyl, bensulfuron methyl, prometryn, atrazine and quinclorac) with different structures in the soil, the linear correlation coefficients are all more than 0.99, the detection limit is 1.5-3.1 ngg<-1>, the average recovery rate is 74.9-90.1%, the relative standard deviation (RSD) is 4.0-5.7%, both the accuracy and the precision meet the residue detection requirements, and the method has the characteristics of low organic solvent consumption, good purification and concentration effects, high sensitivity, simplicity for performing and the like.

The invention provides a coal slime water concentrator comprising a sedimentation main body filled with coal slime water, a feeding device and a clear liquor collecting groove located at the outer side on the rim of the top of the sedimentation main body. The sedimentation main body is a cylindrical-conical body with a steel structure; a conical body angle of the conical body is 45-65 degrees; the feeding device is mounted at the upper part center position of the sedimentation main body, and comprises a main body, a feeding pipe and a discharging pipe; the feeding pipe is arranged at the middle part of the lateral wall of the main body; the upper part of the discharging pipe is arranged in the main body; the top of the discharging pipe is connected with the bottom end of a screw rod penetrating through the main body; a hand wheel is sleeved at the upper part, arranged outside the main body, of the screw rod; and the lower end of the discharging pipe is arranged at a position which is 2-3 m below a center liquid level of the coal slime water. The coal slime water concentrator disclosed by the invention uses the sedimentation main body in the steel structure; the structural parameters are easy to ensure; the smoothness of the inner wall is good; the conical angle of a conical body can be increased; the total height of the concentrator is reduced; the construction progress is rapid; the construction period is reduced; the construction is influenced by cold weather in a north cold area; and the manufacturing price of equipment is low.

The invention relates to a solvent desorption device. The solvent desorption device comprises an adsorption pipe. The solvent desorption device is characterized by also comprising an adsorption pipe connector and a pump, wherein the adsorption pipe connector is used for connecting the adsorption pipe, which adsorbs to-be-detected samples, into a desorption flow channel; the pump enables a desorption liquid to circulate in the desorption flow channel so as to desorb the samples in the adsorption pipe and make the samples in a balanced state. The invention also provides a solvent desorption method. The solvent desorption device and method have the advantages of time saving effect, high desorption efficiency and high desorption repetition rate.

The invention relates to the technical field of solution concentration, and concretely relates to an integral solution refrigerating and concentrating device and a refrigerating and concentrating method thereof. The structure of the device comprises a scraped surface heat exchanger, a rotating shaft arranged in the heat exchanger, a spiral scraper arranged around the rotating shaft and a heat insulation crystallizing-washing chamber connected to the opening of the scraped surface heat exchanger, the wall surface of the scraped surface heat exchanger is a refrigerating wall surface, the rotating shaft is connected with a drive motor, the axis direction of the rotating shaft is same to the axis direction of the crystallizing-washing chamber, the top of the crystallizing-washing chamber is provided with a water tank for pre-cooling washing water and an escape tube for discharging air in the crystallizing-washing chamber, a water inlet valve is arranged between the water tank and the crystallizing-washing chamber, the cavity of the crystallizing-washing chamber is provided with a separator plate for blocking ice crystals, and an external circulating loop is connected between the scraped surface heat exchanger and the crystallizing-washing chamber. The solution refrigerating and concentrating device has the advantages of compact structure and good concentrating effect; and the refrigerating and concentrating method of the solution refrigerating and concentrating device has the advantages of effective control of the refrigerating and concentrating process through controlling a material feed valve, the water inlet valve and a material discharging valve, easiness in operation, strong controllability and good concentrating effect.

A method for preparing a blood-activating beautifying soap from a rose-safflower extract; raw materials required for preparation comprise the preferable ratio by weight: 240 grams of purified water, 80 grams of sodium hydroxide, 250 grams of palm oil, 150 grams of sweet apricot kernel oil, 100 grams of hazelnut oil, 100 grams of wheat germ oil, 100 grams of walnut oil, 8 grams of tea tree essential oil, 30 grams of rose, 35 grams of safflower, 18 grams of red dates, 10 grams of goat or sheep fat, 12 grams of papaya, 8 grams of frankincense, 12 grams of radix angelicae tuhuo, and 20 grams of pseudobulubs cremastrae seu pleiones; with selection of extracts obtained by extracting a large number of the blood-activating, whitening and beautifying materials, the soap can effectively upgrade skin superficial cells, plays the effects of removing melanin, fading dark marks, tightening skin and replenishing skin nutritional ingredients so as to achieve the blood-activating and beautifying purpose, also has good antibacterial sterilization and daily maintenance functions, and is a daily-use cosmetic easy to carry and convenient to use in home furnishing and travelling.

The invention discloses a method for removing the impurities in phosphoric acid. The method for removing the impurities in the phosphoric acid is characterized by comprising the following steps that firstly, a phosphoric acid precipitation groove is installed and an efficient thickener is further installed in the precipitation groove; secondly, a cone precipitator is arranged at the bottom of the phosphoric acid precipitation groove, the precipitated impurities are discharged for one time every 0.5-1.5h, and the precipitated impurities are discharged into a residue acid groove; finally, the precipitated impurities are pumped into a extraction groove through a residue acid pump. The method for removing the impurities in the phosphoric acid has the advantages that the color of the finished phosphoric acid is greatly improved, the original amount of solid is reduced from 1-2 to below 0.05, the color of the finished phosphoric acid is obviously whitened, and the fineness is good; due to the fact that the gypsum content of the finished phosphoric acid is small, most of other metallic oxide and gypsum impurities are precipitated at the bottom of the phosphoric acid precipitation groove and are discharged into the extraction reaction groove to be recycled, the impurity content of slurry added into an ammonium phosphate heater is relatively smaller, the frequency of the heater scaling phenomenon is obviously reduced, the concentration effect is good, and steam is greatly saved.