57results about How to "Efficient development and utilization" patented technology

The invention relates to a mineral separation process, in particular to a mineral separation process of complex fluorite difficult to separate. The process includes utilizing sodium hydroxide to treat oleic acid to obtain modified oleic acid, utilizing concentrated sulfuric acid to treat water glass and obtain acidized water glass, conducting ore grinding on fluorite ores according to the prior art, conducting coarse separation under the temperature of 25-30 DEG C, then conducting seven times fine separation on coarse separation foams and adding the acidized water glass into the foams in the first four times of fine separation to prepare fluorite concentrate. The process can improve separation efficiency of calcium fluoride, silica and calcite, improves quality and recycle rate of the fluorite ores, obtains high quality acid grade fluorite ores and resolves the problem of difficulty in separation of complex fluorite flotation, is remarkable in application effect in separation of the complex fluorite difficult to separate, has repeatability, simultaneously reduces requirements of fluorite mineral flotation for ore temperature, reduces energy consumption, reduces usage of collectingagent oleic acid, reduces environment pollution caused by exhaust of a large amount of waste water containing oleic acid and has better economical and social benefits.

The invention relates to a mineral processing technology by utilizing the grade difference of potassium feldspar. The mineral processing technology comprises the following steps that (1), potassium feldspar raw ore is mined and sorted in a separated mode according to the three classes of low-grade potassium feldspar ore, medium-grade potassium feldspar ore and high-grade potassium feldspar ore; (2), the mineral processing processes of crushing, washing, grinding for grading, desliming, and magnetic separation for deep iron removal are carried out on the low-grade potassium feldspar ore; (3), the mineral processing processes of crushing, washing, grinding for grading, desliming, flotation for mica removal and iron removal, flotation for separating feldspar from quartz, and magnetic separation for deep iron removal are carried out on the medium-grade potassium feldspar ore; (4), the mineral processing processes of crushing, washing, grinding for grading, desliming, magnetic separation for deep iron removal, wet superfine grinding and screening are carried out on the high-grade potassium feldspar ore. The different mineral processing technical schemes are adopted for the potassium feldspar ore of different grades, and the purposes of being free of environmental pollution, simplifying the production processes and efficiently developing and utilizing resources are achieved.

The invention discloses a method of preparing proteins, chitin and chitosan from degreased shrimp meals of euphausia superba. The method comprises the following steps: 1, extracting the proteins; 2, preparing the chitin; 3, preparing the chitosan. By adopting the method, the proteins with high purity, the chitin and the chitosan with high deacetylation degree are prepared from waste shrimp meals used as raw materials, and effective development and utilization of euphausia superba resources are realized; as EDTA (Ethylene Diamine Tetraacetic Acid) is adopted to carry out decalcification, the decalcification effect is good, the decalcification rate of once decalcification can reach above 95 percent, the EDTA also has a decoloration effect during the decalcification, and the dosage of hydrogen peroxide used as a subsequent decolorant is greatly saved; the used EDTA can be recycled and reused, the recovery rate can reach above 85 percent; in addition, as the reaction is carried out under the neutral and slight alkaline conditions, the characters of the obtained chitin are more stable than those of the chitin obtained by virtue of a hydrochloric acid method, and the product performance is greatly improved; the whole process technology is simple, waste water, waste slag and organic reagents generated in the production process can be all recycled and turned into wealth, and the environment pollution is also lowered.

The invention provides a manufacturing method for a bamboo and wood oriented strand board for bottom plates of containers. The method includes the following steps that firstly, bamboo and wood serve as raw materials; secondly, the bamboo and the wood are used for manufacturing bamboo shavings through a chipping machine; thirdly, the bamboo shavings and wood shavings are dried; fourthly, 6-10% of pF glue is applied, and 2-7% of MDI glue is applied; fifthly, oriented laying is performed on a three-layer oriented laying machine; sixthly, the slab of a three-layer oriented structure is manufactured through laying; and seventhly, a rough board which is hot-pressed is cooled in a plate turning cooling device. The method has the beneficial effects that the bamboo and the wood are laid in a layered and oriented manner to manufacture the bamboo and wood oriented strand board which is a good structural material and an outdoor material, and the bamboo and wood oriented strand board is high in strength, good in size stability, high in waterproof performance, environment-friendly and good in machining performance. By using the manufacturing method, the technology is stable in the production process, and the manufactured board meets the requirement of the standard (GB/T19536-2004) of plywood for the bottom plates of the containers in China.

A peak regulation device of pumped storage generating by solar energy not only can convert solar energy to be water energy for developing and depositing solar energy extensively but also can finalize peak regulation of power grid without consumption of power grid energy from traditional pumped storage power station so as to raise electric load supply of power grid maximally .

The invention discloses a shale capillary pressure and water saturation measurement method. The method includes the steps of shale sample grinding, drying, cooling, moisture adsorption by a saline solution, desorption by a saline solution and measurement. The shale capillary pressure and water saturation measurement method can be used for pore structure studies and determination of porosity, relative permeability, shale wettability and irreducible water saturation of shale reservoir strata, and has extensive application value in terms of reservoir stratum performance evaluation and reserve calculation of shale. Measuring a relationship curve between capillary pressure and water saturation of the shale is of great significance to efficient development and utilization of unconventional shale gas resources.

The invention discloses a biochar-supported magnetic substance composite adsorption material, and a preparation method and application method thereof, and belongs to the field of water treatment. The biochar-supported magnetic substance composite adsorption material is prepared by the following steps: mixing and uniformly grinding a biomass, a cobalt salt and a nickel salt to obtain a mixture, calcining the obtained mixture under the protection of inert gas, and performing cooling. The preparation scheme requires few steps, is environment-friendly, and has broad industrial production prospect, and the biochar-supported magnetic substance composite adsorption material prepared by the preparation method has a good adsorption effect.

The invention discloses a preparation method of an acrylic acid moisturizing composite material which comprises the following components in part by weight: 100 parts of acrylic acid, 60 parts of water, 20 parts of NaOH solution, 0.5 parts of N,N-methylene acrylic amide, 4 parts of ammonium persulfate, 20 to 100 parts of bentonite, and 40 to 80 parts of silica-gel powder. The moisturizing material has the characteristics of high water absorption, good water retention effect, low density and easiness in forming, and can be applied to moisturizing application fields, such as interior moisturizing decoration, flowerpot moisturizing layers, and the like.

A method for identify that start date of snowmelt runoff in northeast China is disclosed, It can reasonably estimate the start date of spring snowmelt runoff, provide a basis for the construction of reliable and suitable snowmelt runoff forecasting model, and further scientifically and reasonably formulate reservoir operation scheme, which can not only ensure the demand of agricultural water supply and shipping water, but also reserve storage capacity for the later flood control, and realize the efficient development and utilization of water resources. The method comprises the following steps:(1) dividing the snowmelt runoff of a watershed; (2) identification of the start date of snowmelt runoff in the watershed; (3) Regularity calibration of snowmelt runoff start date in the watershed.

The invention discloses an identification and evaluation method for the canker resistance of a kiwi fruit. The condition that in vitro branch culture after inoculation treatment is carried out at a relatively low temperature and relatively high humidity is ensured through determining reasonable in vitro branch sampling time of the kiwi fruit and innovating an in vitro branch inoculation culture mode; a branch peeling mode is utilized for resistance identification; the canker resistance of the kiwi fruit is identified and evaluated through the branch browning degree, so that the identification method is simple and intuitive; the identification result and the expression of field canker resistance of the kiwi fruit have relatively high consistency; and the method is suitable for most of kiwi fruit varieties. According to the method, recognition on the canker resistance of an existing kiwi fruit variety and other wild germplasm resources is greatly promoted, a producer can select a variety with high resistance for planting according to the requirements, further development and utilization of excellent resistant germplasm resources are facilitated, and healthy and sustainable development of the whole kiwi fruit industry is promoted.

The invention discloses a combined cooling heating and power system based on liquefied natural gas gasification cold energy and a running method, and belongs to the field of heating and refrigerationcombined systems. In the system, a low-temperature boiler, an expander, an LNG gasifier and a working medium pump are sequentially connected through a pipeline to form a loop. The expander is connected with a main shaft of a power generator. An LNG storage tank, the LNG gasifier, a main temperature increasing device, a pressure regulator, a metering and odorization device and a gas pipe network are sequentially connected through a pipeline. An outlet of an air heating tower, a first pump, the low-temperature boiler, the main temperature increasing device and an inlet of the air heating tower are sequentially connected to form a loop. A cold user is connected with the system in a plurality of ways. On the basis of improving the process energy efficiency of a liquefied natural gas gasification station, a multi-energy comprehensive utilization integrated technical solution based on the liquefied natural gas gasification cold energy is disclosed, various cold energy, industrial waste heat,geothermal energy and other renewable energy sources are comprehensively utilized to improve the energy efficiency of an energy system in China, and requirements of different load characteristics aremet.

The invention relates to a preparation method of a composite vegetable oil-based polyurethane foam material, and belongs to the technical field of polyurethane foam materials. According to the invention, sesame oil and epoxidized soybean oil are used as raw materials to prepare vegetable oil polyols, then hydrogenated castor oil is added to prepare the composite vegetable oil-based polyurethane foam material, and meanwhile, diphenylmethane diisocyanate is added as a raw material. The reaction activity of the diphenylmethane diisocyanate is high, so that the catalyst usage is reduced, the content of harmful volatile organic compounds in the polyurethane foam is reduced, and the safety of the polyurethane foam is improved. The steam pressure of the diphenylmethane diisocyanate is low, so that the polyurethane foam is very convenient to store, transport and produce, the safety of the production process is improved, the danger coefficient of the polyurethane foam in the production processis reduced, and the polyurethane foam prepared from the diphenylmethane diisocyanate has the advantages of being safe in process technology and good in environmental protection performance.

The invention discloses a method for preparing clean coal, an ammonium fluorosilicate byproduct and a sodium metaaluminate product from coal gangue. The method comprises the following steps: microwave reaction, microwave acidification, ammoniation absorption and neutralization. Compared with domestic existing methods of acid dissolution, high-temperature calcinations and the like, the reaction time is greatly shortened, the reaction energy consumption is greatly reduced, a technological process is shortened, the whole processing process is low-carbon and environment-friendly, and environment-friendly efficient comprehensive development and utilization of the coal gangue is truly realized.

The invention discloses a processing method of wild debregeasia edulis fruits, and provides a processing method of wild debregeasia edulis fruits, an application of wild debregeasia edulis fruits in functional foods, beverages and health wines with the function of protecting the livers, and a method for preparing liver-protecting health wine by using wild debregeasia edulis fruits as a raw material. The method for preparing the liver-protecting health wine by using the wild debregeasia edulis fruits as the raw material mainly comprises the following step of using wild debregeasia edulis fruitsas a raw material; adding sucrose and sophora japonica honey into the wild debregeasia edulis fruits, wherein the mass ratio of the wild debregeasia edulis fruits to the sucrose and the sophora japonica honey is (1-5) to 1; and performing fermentation by adopting a dry fruit wine fermentation method so as to obtain a debregeasia edulis fruit wine product, which has special aroma of wild debregeasia edulis fruits and is rich in substances such as polyphenols, flavones and the like. The debregeasia edulis fruit wine product has good oxidation-resisting, free-radical-scavenging and liver-protecting effects, and can be used as nutritious health-caring fruit wine. Development and utilization of wild plant resources can be promoted by application of the technology so as to increase developmentstrength of novel foods and utilization of wild plant resources, and thus, benefit and efficiency improvements of the agriculture and the food industry are achieved; so that, the processing method ofthe wild debregeasia edulis fruits has very good application prospects.

The invention discloses a comprehensive cultivation method for improving salt tolerance of millet in a saline-alkali land. The method comprises the following steps: (1) variety selection is carried out based on the land: a planted millet variety is selected according to the soil salt content of the saline-alkali land; (2) soil treatment is carried out: plough pan is broken through deep tillage, straw returning to subsoil is carried out, and salt return to the soil is suppressed; (3) green fertilization is carried out: a slow/controlled release fertilizer and a bio-organic fertilizer are selected, the soil salt input is reduced, and amendment fertilization is carried out; (4) incremental sowing is carried out: the sowing amount is controlled at 550 to 600 g/mu; and (5) salt control management is carried out: a calcium solution is sprayed at a seedling stage and timely irrigation is carried out at jointing and heading stages. Through coordinated use of multiple technical means, high-efficiency cultivation of millet in the saline-alkali land can be realized, which is of great significance for realizing adjustment and optimization of the agricultural structure in the saline-alkali land, transforming the agricultural development mode and promoting the three-component planting structure in the saline-alkali land.

The invention belongs to the field of mineral separation, and particularly relates to an in-situ online characterization method for structural characteristics of a micro-fine particle iron mineral aggregate. According to the method, a high-speed camera shooting technology and a focused light beam reflection real-time measurement technology are adopted to carry out real-time acquisition on image characteristics and particle size composition conditions of iron mineral aggregates in the micro-fine particle iron mineral agglomerating and size mixing process, and then an image analysis technology is combined to carry out real-time characterization on structural characteristics of the micro-fine particle iron mineral aggregates. The method has the characteristics of high acquisition precision and high acquisition speed. Real-time monitoring is carried out in the large-scale continuous production process of a dressing plant, on-line real-time regulation and control are carried out on a mineral aggregate structure by adjusting process parameters according to a characterization result collected in real time and a separation index, and therefore the process parameters of an agglomeration separation process with the better separation index are selected out. Technical support is provided for application of the micro-fine particle iron ore agglomeration separation technology, and efficient development and utilization of micro-fine particle complex refractory iron ore resources are achieved through the agglomeration separation technology.

The invention discloses a saline-alkali ditch slope repairing method by cultivating Bermuda grass with plant growing bags, which comprises the following steps of: (1) preparing plant growing bags: placing the grass stems of Bermuda grass into plant matrices, wrapping with non-woven fabric, sealing, and making into the shape connected by a plurality of the Chinese character 'Tu'; (2) stacking the plant growing bags: the plant growing bags are staggered and stacked according to the zipper type; (3) fixing the plant growing bags: as for a slope with the gradient less than 45 degrees, fixing is not needed; as for the slope with the gradient larger than 45 degrees, an anchor rod is used for fixing; (4) curing the plant growing bags: trimming is conducted when the Bermuda grass grows to 15cm; irrigation is carried out in time under the condition of drought until a plateau is formed; in the period of accumulation of salt in the surface soil, the leaves are sprayed with spermidine to improve the salt tolerance. The saline-alkali ditch slope repairing method and application by cultivating Bermuda grass with the plant growing bags achieve the stabilization and vegetation restoration of the saline-alkali ditch slope through the synergistic use of a plurality of key technical means, and have important significance for the efficient development and utilization of the saline-alkali land andthe reconstruction of the fragile ecology of the saline-alkali ditch.

The invention belongs to the technical field of efficient and safe production of mines, and discloses a coal and gas exploitation integrated permeability-increasing enhancer as well as a preparation method and application thereof. The coal and gas exploitation integrated permeability-increasing enhancer is composed of, by mass, 6%-10% of 20mol/l concentrated nitric acid, 1%-5% of N-lauroyl creatine sodium, 2%-6% of 1-butyl-3-methylimidazolium chloride and mine dustproof water. The coal and gas exploitation integrated enhancer provided by the invention can improve the wettability of a coal bodyby physicochemical modification of the coal body, inhibit and reduce the generation of dust in a coal seam exploitation process, greatly improve the permeability of the coal body, improve the coal seam occurrence and exploitation conditions, facilitate efficient development and utilization of coal seam gas, improve coal bed gas exploitation, relieve energy shortage, prevent gas disasters of underground coal mines, reduce greenhouse gas emission, facilitate efficient co-exploitation of coal and coal bed gas, and improve the safe and efficient production level of coal mines in China.