100results about How to "Easy to process and use" patented technology

The invention relates to a method for preparing an antioxidative active extractive of sweet potato leaves, and belonging to the field of agriculture products processing. The method comprises the following steps: drying and crushing fresh sweet potato leaves; performing microwave assistant extraction after the decoloring and degreasing treatment is carried out; decompressing and concentrating extract in vacuum; chromatographing through a column, and absorbing by maroporous resin; collecting eluent; decompressing and concentrating the eluent in vacuum to obtain extract of the sweet potato leaves; and atomizing and drying the extract to obtain powdered extractive of the sweet potato leaves. The product is powdered, has the unique smell of the sweet potato leaves, contains 65 to 75 percent of total phenol, and contains chlorogenic acid and 3,5-O-dicaffeoylquinic acid. The method adopts mass waste sweet potato leaves to prepare the extractive with strong antioxidative activity, turns waste into wealth, is a green industry, has simple process, no need of larger equipment investment and high extracting rate of antioxidative active substances, and is applicable to industrial production.

The invention discloses a hibiscus esculentus brewed wine and a brewing method thereof, and relates to a wine preparation technology. The method mainly comprises the following steps: 1) picking and cleaning; 2) homogenizing; 3) performing enzymolysis; 4) sugaring; 5) compounding juice; 6) homogenizing and deaerating; 7) sterilizing; 8) inoculating and fermenting; 9) filtering, removing impurities and sterilizing; and the like. The brewed wine is prepared by respectively homogenizing hibiscus esculentus flowers and hibiscus esculentus fruits and then mixing and fermenting, and the fermentation method is that activated apergillus oryzae and rhizopus oligosporus compound strain is inoculated firstly to carry out culture fermentation, and then activated Angel yeast is inoculated to carry out fermentation. The hibiscus esculentus brewed wine prepared by the invention is rich in nutrition, unique in flavor, soft in taste and good in health care effect.

The invention relates to a method for extracting low-molecular-weight lignin from biomass. The preparation method comprises the following steps of (1) preparing an extraction agent: preparing cholinechloride and hydrogen bond donors into a mixed solution at a certain mol mass ratio; then, performing reaction under a certain condition to form a uniform solution, namely the extraction agent; (2) adding the extraction agent into the biomass raw materials; adding catalysts; performing reaction for a certain time under the stirring condition at a certain temperature; performing filtering; adding deionized water; performing precipitation and centrifugation to obtain solid substances; then, cleaning the solid substances by absolute ethyl alcohol and deionized water; performing drying; obtaininga finished product. According to the method, poplar, bamboo-willow, wheat straw and the like are used as the biomass raw materials; the solvent prepared at a specific proportion under the specific conditions is used as the extraction agent for extracting the low-molecular-weight lignin. The method has the advantages that the reaction conditions are mild; the process is simple; green effect and high efficiency are realized; the extraction cost is low; the method is suitable for large-scale production application.

The invention relates to a coal tar alkali-free normal/reduced-pressure distillation process and a coal tar alkali-free normal/reduced-pressure distillation device. In the process, raw material coal tar is subjected to heat exchange and delivered into a dehydrating tower, and light oil distillate and water are collected from the top of the dehydrating tower; the coal tar at the bottom of the dehydrating tower is subjected to heat exchange and delivered to a main tower, and a carbolic oil distillate is collected from the top of the main tower; a mixed oil distillate is collected from a lateralline; carbon black oil or soft asphalt is collected from the bottom of the tower; bottom material of the main tower is pumped out; part of soft asphalt is pumped out from the bottom of the main towerand delivered to an asphalt tower for distillation under a negative pressure, a heavy oil distillate is collected from a lateral line of the tower, and asphalt is produced at the bottom of the tower;and the main tower is a normal-pressure low-temperature distillate tower, the asphalt tower is a low-temperature reduced-pressure asphalt tower, and all distillates are not added with alkali in the whole flow. In the device, the bottom of the dehydrating tower is connected with the middle of the main tower through a pipe, and the bottom of the main tower is connected with the middle of the asphalt tower through a pipe. The internal circulation at bottom of the main tower is realized through a heating furnace, and internal circulation at the bottom of the asphalt tower is realized through a heating furnace. The process and the device have the advantages that: all distillates are not added with alkali; distillates are cut according to market demands and temperature gradient; direct super-heated steam is not used; new process waste water is avoided; the energy consumption is low; the product quality is high; and the like.

The invention relates to a method for extracting lignin in a biomass material by using an ion liquid. The method comprises: 1) naturally air-drying or drying a biomass solid material, and then crushing into powder; 2) adding to an ion liquid, and carrying out heating stirring dissolving to form a suspension solution; 3) adding to a sodium hydroxide solution, carrying out a stirring reaction, and filtering to obtain the filtrate; and 4) adjusting the pH value to 2 with a dilute hydrochloric acid solution, carrying out a heating reaction, filtering to obtain the filter residue and the filtrate, and drying the filter residue to obtain the lignin, wherein the filtrate is treated and then is recycled. The method of the present invention has the following advantages that: the composite structure formed by closely compounding lignin, hemicellulose and cellulose in the biomass material can be effectively destroyed, more than 30% of the lignin in the biomass material can be effectively extracted, the purity of the extracted lignin is high, and the extracted lignin is easily be subjected to the high value processing utilization; and the ion liquid can be recycled a plurality of times, the toxic or harmful byproducts are hardly produced, and the generation of the secondary pollution is reduced.

The invention relates to an instrumental cylinder mould, wherein, a cylinder body of a rectangular cross section is formed by setting components; each rigid angle mould is slidably connected with a solid board through a suspending beam which is fixed inside the solid board and a linear bearing which is connected to a string edge of the rigid angle mould; the linear bearing is connected with the rigid angle mould at an angle of 45 degrees and is slidably connected with a T-shaped slideway beam, an inner sleeve, an outer sleeve and a ball; a retracting rack is formed by assembly of a retracting box, sliders, a push and pull disc, an upper push rod, a lower push rod, a nut which is welded on a top cover of the retracting box, and a retracting rod; one ends of the four sliders are provided with 45 degree long circular orifices for a roller to slide and the other ends of the four sliders are sleeves which are used for sleeved connection of the horizontal push and pull rods; and the other ends of the horizontal push and pull rods are connected with force-transmitting racks. A follow platform comprises a platform for bearing the cylinder mould, a lever type leg, a follow platform height leveling device and an elastic guide wheel, thereby the deadweight is further lightened; the construction difficulty is reduced; the technical problems of required secondary fixation and easy ascending and difficult descending of the follow platform after the cylinder mould is in place are solved.

The invention discloses a method for determination of phytic acid content of cotton seed powder. The method comprises collecting different kinds of cottonseed samples planted in different regions, carrying out sample husking, grinding, sieving and moisture balance on the samples, collecting full spectrum data, pretreating the near infrared spectroscopy data through a plurality of pretreatment methods, accurately determining sample phytic acid content through high performance ion chromatography, constructing the optimal PLS model in a full spectrum range through a full cross-validated method, carrying out variable selection on the spectroscopic data, building multiple correction models through a multivariate calibration regression method, building a near infrared spectroscopy correction model and detecting phytic acid content of cotton seed powder through the model. The method utilizes a Buchi NIR Flex-N500 Fourier transform near infrared spectrometer to acquire a spectrogram of cotton seed powder, has a fast determination speed and high accuracy, is environmentally friendly, convenient and efficient and has an important meaning for cultivation of low-phytic acid cotton and promotion of cotton side product processing and utilization.

The invention provides a soluble electroactive polymer prepared from aniline pentamer crosslinked chitosan with two terminated carboxyl groups, and a preparation method. The invention provides a series of crosslinked polymer containing electroactive aniline pentamer, which are synthesized from aniline pentamer with two terminated carboxyl groups via two synthesis methods, wherein the first synthesis method condensates activated carboxyl group of aniline pentamer with amido of chitosan in the mixture solvent of acetate water solution and organic solvent to obtain product, and the second method condensates protected chitosan and aniline pentamer in organic solvent to obtain product. The crosslinked chitosan has the advantages of aniline pentamer and natural macromolecule, has electric activity and biological activity, which can be dissolved in acid water solution, be degraded biologically, while the degraded product can be discharged externally. The inventive product is mainly used as biological medical material, particularly as tissue engineering scaffold material of nerve and heart.

The invention discloses an asphalt laying device for a municipal road. The asphalt laying device comprises a frame, wherein wheels are arranged at the bottom of the frame; a processing box body is arranged at the top of the frame; a feeding box is arranged inside the processing box body; a stirring tank is arranged on one side of the feeding box; the top of the feeding box is provided with a feeding opening; a pair of grinding rollers is arranged below the feeding opening; the feeding box is internally provided with a sieve plate; one end of the sieve plate is hinged to the inner wall of one side of the feeding box; the other end of the sieve plate penetrates through the other side wall of the feeding box and is connected with a top plate; a first belt pulley is arranged on one side of thefeeding box; a second belt pulley is arranged below the first belt pulley; a first cam is fixedly arranged on the back side of the second belt pulley; the top of the first cam is contacted with the bottom end of the top plate; and the bottom of the feeding box is communicated with a discharging auger. The asphalt laying device disclosed by the invention is convenient and quick to use and uniformin heating, has the effect of maintaining the asphalt performance and can avoid the condition that the properties of asphalt are affected due to long-time contact of asphalt and air; and by use of anequalization plate, the asphalt can be uniformly laid on the ground.

The invention relates to an oil shale dry-process coking method and a water spraying structure of a gas retort. The gas retort adopting the water spraying structure is characterized in that steam is taken as a carrier of a gas barrier layer, the lower part of the gas retort is respectively introduced with saturated vapor and/or sprayed with water having the temperature of 25-80 DEG C, the pressureof the water is 8000 Pa, the vapor pressure is 7500 Pa, a water vapor barrier layer with the height of 2-3m is formed by the water vapor and/or water which enters the gas retort under the action of high temperature semi-coking, so that the gas is prevented from overflowing, and oxygen is avoided to enter the gas retort along with the air; when in running, the water spray pressure can be regulatedto lead the pressure at a gas outlet of the gas retort to be micro-positive pressure and the semi-coking outlet pressure to be micro-negative pressure, so that dry-process coking can be realized; a spray pipe is arranged above a cooling water pipe and is vertical to a semi-coking channel, the end of the spray pipe is provided with an automatic regulating valve, and the spray pipe is also providedwith an even spray hole. The invention decreases the volume of the gas by about one third, and reduces the subsequent technique, current management running cost or investment to the same extent.

The invention relates to a 3D printing graphene-nonmetal composite material, a preparation method and application. The preparation method comprises the following steps: (1) mixing, grinding and shearing graphene quantum dots and/or graphene microchips and a nonmetal elementary substance and/or nonmetal compound to prepare a composite pulp material or composite powder material, wherein the ultrasonic frequency is 10 to 100 KHz, and the weight percent of the graphene quantum dots and/or graphene microchips is 0.01 to 30 percent; and (2) drying the prepared composite pulp material or powder material. The laser sintered graphene-nonmetal composite material and a preparation method thereof are provided for 3D printing. The composite material has excellent properties of high hardness, high strength, corrosion resistance and easiness in processing and use; and after the 3D printing, the composite can be sintered and quenched by virtue of laser to promote the compactness of particles of the composite material and to refine crystal particles, so that the mechanical properties of a 3D printing product can be improved.

The invention discloses a novel box girder bottom die system. The novel box girder bottom die system comprises a bottom die trolley installed on a preset rail. A bottom die is connected to the bottom die trolley. A hydraulic jacking oil cylinder used for jacking the bottom die, a hydraulic horizontal moving oil cylinder used for horizontally moving the bottom die, and a rotation hydraulic oil cylinder used for rotating the bottom die are arranged on the bottom die trolley. A bottom layer support is arranged between the bottom die trolley and the bottom die. Bottom die hydraulic ejector rods used for adjusting the inclination angle of the bottom die and a fixing rotary rod used for fixing the position of the bottom die are arranged between the bottom layer support and the bottom die. The novel box girder bottom die system is simple in structure and convenient to machine and use, the position and inclination angle of the bottom die can be effectively adjusted according to the requirements of different sections of ultrahigh distorted bridges of large-span small-radius bridges, and fast automatic construction of the ultrahigh distorted large-span small-radius bridges is achieved.

The invention discloses a technical process of biomass hydrogen-donating pyrolysis in the presence of hydrogen-donating distillate oil. The technique adopts a naphthenic base oil fraction as the hydrogen-donating fraction, proportionally mixes the biomass and the naphthenic base oil hydrogen-donating distillate oil, and carries out hydrogen-donating pyrolysis at 350-400 DEG C. The hydrogen-donating distillate oil is selected from one or more sections of 400-520 DEG C fraction of the naphthene base crude oil. In the hydrogen-donating pyrolysis process, the biomass carries out sufficient chemical conversion and redistribution of carbon, hydrogen and oxygen, thereby being beneficial to enhancing the light oil yield and lowering the coke yield in the pyrolysis process; and besides, more oxygen element in the biomass is distributed in water molecules, thereby enhancing the quality of bio-oil, and being beneficial to deep processing and utilization of bio-oil.

The invention discloses a minced fillet production waste recovery device. The minced fillet production waste recovery device comprises a feeding mechanism, a crushing mechanism and a steam generator,wherein the feeding mechanism is arranged above the left of the crushing mechanism; the feeding mechanism communicates with the crushing mechanism; a waste liquid collecting cylinder is arranged underthe crushing mechanism; and an upper port of the waste liquid collecting cylinder is connected with the crushing mechanism in a sleeving mode. According to the minced fillet production waste recoverydevice, after being crushed by the crushing mechanism, the minced fillet production waste can be conveniently extruded and dehydrated by a subsequent discharging mechanism, and therefore the water content of the minced fillet production waste can be greatly reduced; the minced fillet production waste is uniformly spread on a conveying belt through a strip-shaped discharging opening formed in a discharging box for drying treatment, so that the drying efficiency and the drying effect of the minced fillet production waste are greatly improved; and a jet nozzle on an annular pipe sprays high-temperature steam conveyed by the steam generator to the crushing waste to achieve high-temperature sterilization and disinfection.

The invention belongs to the field of biomass energy utilization, and discloses a bio-oil electrochemical upgrading method which comprises the following steps: (a) mixing bio-oil, an organic solvent and a supporting electrolyte to obtain a catholyte; (b) preparing an acid solution as an anolyte; (c) constructing an electrochemical reactor by adopting the catholyte and the anolyte and separating the catholyte from the anolyte through one or two ion exchange membranes, thus forming a current loop; and (d) introducing a protective gas into one side of the catholyte, and introducing current through the working electrode and the anode electrode to carry out electrochemical reaction, thereby realizing the electrochemical upgrading of the bio-oil. Compared with the prior art, the problem that carbon deposition is easily formed when the bio-oil is upgraded by a thermochemical method can be effectively solved, the bio-oil is subjected to electrochemical upgrading under mild conditions, and thecontent of bio-oleic acid, the content of aromatic components and the content of heavy components can be reduced by upgrading, so that the bio-oil is suitable for transportation and storage; and meanwhile, carbon deposition is avoided in the upgrading process.

The invention mainly relates to the field of wood treatment, and discloses a mould-proof and moth-proof treatment method for poplar. The method includes the steps of heating steaming, freeze drying, soaking for sterilization and heating curing. The method is simple, no harmful chemical components are contained, the bacteriostasis rate of the poplar is made to reach 76.3%, storage and usage are facilitated, the service life is prolonged by 16.2%, losses caused by mildew and damage by worms are reduced, and the economic income is increased by 7.6%. The poplar is placed into steam for steaming, a flash high temperature is obtained to kill infectious microbes inside the poplar and on the surface of the poplar, and the phenomenon of mildew and damage by worms can be restrained; and meanwhile, the temperature is lowered gradually after the flash high temperature, the filter structure can be loosened, softness of the poplar is improved, and the cracking phenomenon is reduced. The poplar is subjected to freeze drying, the dense air pore structure inside the poplar is added, the air content is increased, moisture missing is facilitated, and mould growth is inhibited; and meanwhile, due to the dense air pore structure, the deformation degree of the poplar can be raised, the softness is improved, the brittleness is lowered, and cracking and deformation are reduced.

The invention discloses raw material grinding equipment for chemical engineering in the technical field of chemical engineering raw material grinding. The raw material grinding equipment comprises a box body, support legs are fixedly connected with the outer surface of the lower end of the box body, a discharge pipe is fixedly connected with the bottom end of the box body, a filter screen is fixedly connected with the middle position in the box body, and a grinding wheel is arranged at the position, close to the upper end, in the box body; a guide plate is arranged at the position, close to the grinding wheel, in the box body; a feeding hopper is fixedly connected with the outer surface of the upper end of the box body, a fixing block is arranged on one side of the outer surface of the upper end of the feeding hopper, and a collecting mechanism is arranged on one side of the box body; and the collecting mechanism comprises a collecting box, a base is arranged at the lower end of the collecting box, and a connecting shaft is fixedly connected with one end of the base. Unqualified-size raw materials can be prevented from being mixed into qualified-size raw materials due to insufficient one-time grinding, a good collecting and reprocessing effect is achieved, the grinding quality of the raw material can be guaranteed, and subsequent use and processing of the raw material are facilitated.

The invention discloses a preserved fried and cooked diced mutton product and belongs to the field of foods, in particular to meat products. The diced fried and cooked mutton product is prepared from mutton serving as a main raw material and is prepared by the following steps of: dicing the mutton, namely dicing the mutton into diced meat; steaming the mutton, namely boiling the mutton into boiling seasoning liquid for at least 2 seconds, putting the mutton into a steamer and steaming the mutton for 8 to 25 minutes in the boiling seasoning liquid; frying and mixing, namely throwing the steamed diced mutton into edible oil at the temperature of between 120 and 140 DEG C, adding preservation extract which is 3 to 10 weight percent of the mutton, frying and packaging. The fried and cooked diced mutton is prepared by an innovative method, and the product serves as a seasoning of various cooked wheaten foods or dishes and has delicious and unique taste. The product is convenient to use andprocess.

The invention discloses a determination method for the chromium content in cotton-seed meal. The determination method includes the steps that different kinds of cotton-seed meal samples planted in different regions are prepared, a near-infrared spectrometer is used for collecting spectrums of the cotton-seed meal samples, full cross validation is adopted in a full spectrum range to build a PLS model, and then the PLS model is analyzed by adopting eight preprocessing methods; a processing method corresponding to the maximum prediction correlation coefficient R2 and the minimum root-mean-square error RMSE is used as the optimal preprocessing method, and a near-infrared spectrum correction model is set up through the optimal preprocessing method; the near-infrared spectrum correction model built in the step mentioned above is used for detecting the cotton-seed meal to be detected to obtain the chromium content of the cotton-seed meal. The FOSS5000 near-infrared spectrometer is used for collecting spectrograms of the cotton-seed meal, determination accuracy is high, and the determination method is fast, convenient and efficient and has great significance in cultivating new cotton species and promoting processing and utilization of cotton by-products.

The invention discloses a diced mutton product and a production method thereof, belongs to the field of foods, in particular to meat products. The diced mutton product takes mutton as a main raw material and is prepared by the following steps: dicing the mutton, namely dicing the mutton into diced meat; steaming the mutton, namely putting the mutton into boiling seasoning liquid for over at least2 seconds, putting the mutton into a steamer and steaming the mutton for 8 to 25 minutes in the boiling seasoning liquid; frying and mixing, namely throwing the steamed diced mutton into edible oil at the temperature of between 120 and 140 DEG C, frying and packaging. The diced mutton prepared by an innovative method can be used as seasoning for various cooked wheaten foods or dishes and has delicious and unique taste. The diced mutton product is convenient to use and process.

The invention discloses a processing method of dragon fruit powder. In the production process, fully mature dragon fruit is selected as a raw material, so that the produced dragon fruit powder can have the proper flavor and nutritional components of the dragon fruit. In the process of raw material processing, a screw juicer is used to extract juice, colloid mill is finely ground, homogenizer is used to homogenize, and appropriate amount of maltodextrin, β-cyclodextrin and CMC are added to the material liquid to make the dragon fruit powder taste fine and dissolve. good sex. The pitaya powder of the invention has the advantages of simple processing method, advanced technology and easy operation; the product can be used as a raw material in the food industry, and can be directly marketed as a powdered beverage.

The invention provides a polypropylene silencing pipe master batch, a preparation method and a use method therefor. The polypropylene silencing pipe master batch includes, by weight, 5-25% of polypropylene resin, 5-15% of a toughening resin, 30-45% of a first inorganic powder, 25-35% of a second inorganic powder, 4-7% of a dispersing agent, 2-4% of a lubricant and 0.5-1.5% of a coupling agent. The preparation method includes the steps of mixing and stirring the polypropylene resin, the toughening resin and the lubricant uniformly, adding the mixed components to a uniformly-stirred mixture of the two inorganic powders and the coupling agent, and adding the dispersing agent with uniform stirring, and performing extrusion and mixing, performing mould surface granule cutting, and air-cooling and sieving granules to obtain the master batch. A product, which is prepared from the polypropylene noise reduction pipe master batch and homo-polypropylene in a mixed injection moulding manner, is low in cost, is excellent in mechanical performance and high in anti-impact strength, and can adapt harsh weather conditions and complex environment demands.

The invention provides cucumber powder. The cucumber powder is nattier blue powder with a flavor of cucumbers. The content of water in the cucumber powder is 8%-9%, the content of pectin in the cucumber powder is more than 7% and the content of reducing sugar in the cucumber powder is 1%-5%. The invention further discloses a processing method of the cucumber powder. In a production process, fully ripe cucumbers are used as raw materials so that the produced cucumber powder has the flavor and nutritional ingredients of cucumbers. In a process of processing the raw materials, a spiral juice extractor is used for juicing, a colloid mill is used for finely milling the fully ripe cucumbers and a homogenizing machine is used for homogenizing milled cucumbers; a proper amount of maltodextrin, beta-cyclodextrin and CMC are added into material liquid so that the cucumber powder has a fine and smooth mouth feel and is good in solubility. The processing method of the cucumber powder is simple, adopts advanced process technology and is easy to operate. The cucumber powder can be used as a raw material of a food industry and can also be directly listed as a powdery beverage.