34results about How to "Realize full utilization" patented technology

The invention discloses a three-blade propulsion and power generation two-purpose wind surf, which mainly comprises a generator set (1) and a wind surf rotating mechanism (9) fixed on a deck (10) of a hull, a wind surf mast (2) rotatably connected with the wind surf rotating mechanism (9) and only rotating toward the design direction, a first propulsion and power generation surf face (3) arrangedon the upper part of the wind surf mast (2) and connected with the wind surf mast (2) through a first propulsion and power generation surf face connecting rod (4), a second propulsion and power generation surf face (5) connected with the wind surf mast (2) through a second propulsion and power generation surf face connecting rod (11), a third propulsion and power generation surf face (8) connected with the wind surf mast (2) through a third propulsion and power generation surf face connecting rod (7), and a wind force and wind direction acquisition and analysis system (6) arranged on the top of the wind surf mast (2). The three-blade propulsion and power generation two-purpose wind surf can make the efficiency of the conventional surf improved by 20 to 40 percent, can operate under the condition of any wind direction in a main propulsion and auxiliary power generation mode, and saves the oil of a main engine or a generator of a ship by over 6 percent.

The invention discloses a sewage treatment system which comprises a collection tank, a biogas tank, a residue discharge tank and a biogas liquid collection tank; the biogas tank, which is a closed tank, is connected with the collection tank through a feed opening and has an impervious layer laid at the bottom; excreta, sewage or the like is placed in the methane tank and automatically form a biogas residue layer, a biogas liquid layer and a biogas layer after fermenting in the biogas tank, and a residue discharge opening, a liquid outlet and a gas collecting opening, which are communicated with the biogas residue layer, the biogas liquid layer and the biogas layer respectively, are arranged at the periphery of the biogas tank; the residue discharge tank is communicated with the residue discharge opening through a pipeline; the biogas liquid collection tank is communicated with the biogas tank through the liquid outlet; a biogas liquid purification system is connected with the biogas liquid collection tank. According to the sewage treatment system provided by the invention, biogas, biogas liquid and biogas residue, which are produced through centralized processing of sewage, are utilized effectively, so that all-around utilization of sewage can be realized; meanwhile, water and residue can be separated automatically through reasonable pipeline design, the sewage utilization rate is high, the engineering construction cost is low, the economic benefit is high, and large scale popularization can be performed easily.

The invention relates to a preparation method of a urea-formaldehyde resin from a straw ethanol byproduct, which comprises the following steps: 1. adding a formaldehyde solution, water, a prepressing modifier, a first batch of urea, a first batch of melamine and a first batch of straw ethanol byproduct into a reactor, regulating the pH value, and heating to react; 2. regulating the pH value and controlling the temperature to react to a cloud point; 3. adding a second batch of urea, a second batch of melamine and a second batch of straw ethanol byproduct, regulating the pH value and controlling the temperature to react; 4. adding a third batch of melamine and a third batch of straw ethanol byproduct, regulating the pH value and controlling the temperature to react; and 5. cooling, adding a third batch of urea to react, cooling and discharging. The straw ethanol byproduct used by the method has the advantages of lower ash content and lower sugar content, and the lignin molecule structure maintains multiple phenolic hydroxyl groups, alcoholic hydroxyl groups and replaceable active hydrogen. By using the straw ethanol byproduct instead of part of the urea or phenol to prepare the adhesive, the method can save the petroleum resources and implement waste recovery.

The invention discloses a Darrieus propulsion power generating dual-purpose type sail which mainly comprises a generator set (1), a sail rotating mechanism (28), a sail mast (2), a propulsion sail surface, a vertical shaft Darrieus wind power generating blade (19) and a wind force and direction collecting and analyzing system (14), wherein the generator set (1) and the sail rotating mechanism (28) are fixed on a ship deck (29); the sail mast (2) is rotatably connected with the sail rotating mechanism (28) and rotates only towards the design direction; and the propulsion sail surface connected with the sail mast is arranged at the upper part of the sail mast, the vertical shaft Darrieus wind power generating blade (19) is connected with the propulsion sail surface, and the wind force and direction collecting and analyzing system (14) is installed at the top of the sail mast. The invention can improve the efficiency of the conventional sail by 20 percent to 50 percent; and by adopting two energy-saving ways, the Darrieus propulsion power generating dual-purpose type sail can be run under any wind direction condition and save ship host machine or engine oil by more than 6 percent and has greater economy, practicability and social value.

The invention relates to the technical field of full-mass utilization of cotton stalks, in particular to a method for separating cellulose, hemicellulose and lignin in a cotton stalk. The method comprises the following steps that 1) pretreatment is carried out; 2) dry squeezing is carried out; 3) steam explosion is carried out; 4) washing is carried out to extract xylose; 5) dehydrated solid matter is hydrolyzed in the presence of sulfuric acid to obtain a xylose hydrolysate; 6) the xylose hydrolysate and washing water are subjected to sulfuric acid recovery through a bipolar membrane, and arethen mixed with a washing liquid to recycle the xylose; 7) filter pressing is carried out to obtain a filtrate, the filtrate is lignin potassium, and a solid material is washed to be neutral and directly used for papermaking; 8) a filter pressing liquid and the washing water of the solid material are subjected to reverse osmosis membrane concentration and spray drying to prepare a compound fertilizer. The method has the advantages that the method is simple, the operability is strong, and the separation and full-mass utilization of the cellulose, hemicellulose and lignin in the cotton stalk can be achieved better.

The invention discloses a method using a Camellia oleifera root to graft and cultivate a Camellia japonica bonsai. The method includes: digging Camellia oleifera and performing root selection, grafting, performing pot culture, performing management after pot culture and shaping and pruning, wherein the appropriate root of the Camellia oleifera is used as the grafting stock, the excellent branch ofannual or semiannual Camellia japonica is used as the grafting scion, the grafting is performed through a cut-grafting method, the grafting and the management after pot culture are performed, and theCamellia japonica survived after the grafting is pruned according to the ideal shape of the bonsai. The method has the advantages that the root of the Camellia oleifera is used for grafting, fast variety changing of low-yield Camellia oleifera is achieved, the existing large-area low-yield Camellia oleifera improving project of China is promoted, resource waste is reduced, full utilization of low-yield Camellia oleifera resources is achieved, and good economic, social and ecological benefits are achieved.

The invention discloses a preparation method of a thermoplastic starch material based on non-grain woody plant oil and fat. The preparation method comprises the steps of stirring fatty acid and derivatives thereof, heating and controlling the temperature to 140-160 DEG C; then, dropwise adding micromolecular polyamine according to the proportion that the mole ratio of the carboxy group of the micromolecular polyamine to the carboxy groups of the fatty acid and the derivatives thereof is (1.1-1.4):1; then, adding a catalyst, wherein the catalyst accounts for 0.25-2.5% of the total mass of a reaction system; raising the temperature to 180-220 DEG C, reacting for 1-4h, and removing unreacted micromolecular polyamine through reduced pressure distillation to obtain an aliphatic amide plasticizer; uniformly mixing the prepared aliphatic amide plasticizer, glycerol and starch according to the mass proportion of (10-50):(10-30):70, collecting the material and storing the material in a sealed way at room temperature for 12-36h; finally, processing the material under the condition of 100-160 DEG C by using a kneading method to obtain the thermoplastic starch material.

The invention discloses a preparation method of a red date enzyme, adopting enzymolysis-coupling fermentation production technology. The preparation method comprises the following steps: (1) pulp preparation: cleaning selected red dates and carrying out pulp preparation to obtain red date pulp; (2) enzymolysis: adjusting the red date pulp to a pH value of 5.0-6.5 and a temperature of 25-50 DEG C,adding a complex enzyme at least consisting of rhamnosan degrading enzyme, pectinase, dextranase and galactosidase, and carrying out enzymolysis for 1-3 hours; (3) coupling fermentation: preparing lactobacillus rhamnosus into bacterial suspension of 10<4>-10<8> CFU/mL by using sterile normal saline; when the enzymolysis lasts for 1-3 hours, inoculating the lactobacillus rhamnosus aseptically, stirring the mixture, carrying out static culture for 12-48 hours, and stopping fermentation when the pH value is 3.5-4.5; and (4) post-treatment: carrying out solid-liquid separation on the enzyme fermented in the step (3) to obtain liquid red date enzyme. The method disclosed by the invention adopts the enzymolysis-coupling fermentation production technology, thus improving the utilization rates ofred date components and the yields of the enzyme and prebiotics.

The invention discloses a paper hydrophobic modifier, a preparation method and application thereof, wherein the structural formula of the paper hydrophobic modifier is shown in the specification, and R is rosin or a derivative thereof. According to the invention, the paper hydrophobic modifier is prepared through a reaction of rosin or a derivative thereof, a 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide and a silane coupling agent, can perform composite modification on paper, can obtain hydrophobic and flame-retardant paper through the synergistic interaction effect, and has good mechanical strength.

The invention discloses a probiotic tea enzyme product rich in active enzyme and a preparation method thereof. The method comprises the following steps: selecting one of unprocessed tea leaves, non-fermented tea leaves, semi-fermented tea leaves or fully-fermented tea leaves as a main raw material, adding medicinal and edible herbaceous plants, selecting saccharomycetes and probiotics as leavening agents for sectional fermentation, and finally, sterilizing by adopting an ultrahigh-pressure cold sterilization technology to prepare a probiotic tea enzyme product. The formula comprises the following components in parts by weight: 80-120 parts of tea leaves, 40-60 parts of herbaceous plants, 30-50 parts of honey, 1-3 parts of saccharomycetes, 2-5 parts of probiotics and 1000-1200 parts of water. The preparation method disclosed by the invention is short in fermentation time, high in production efficiency and high in active ingredient content, and has the effects of removing superoxide hydrogen ion free radicals, enhancing immunity, reducing blood fat, reducing cholesterol, helping to lose weight and the like; meanwhile, tea raw materials with different qualities can be effectively utilized, high-valued comprehensive utilization of the tea is realized, and tea food types are enriched.