115results about How to "Fully destroyed" patented technology

The invention discloses a GC-MS-based plant non-targeted metabolomics sample pretreatment method. The method comprises the steps of 1) mixing up a plant sample, an internal standard substance and a hydrophilic organic solvent, wherein the hydrophilic organic solvent is pre-cooled to be -20 to 4 DEG C; cooling the obtained mixture to be -80 to -10 DEG C, grinding, crushing and conducting the supersonic extraction in the ice-water bath; 2) then respectively adding a lipophilic organic solvent and water, uniformly mixing up, conducting the supersonic extraction in the ice-water bath, conducting the high-speed centrifugation at the temperature of 0 to 16 DEG C, obtaining the aqueous phase and evaporating; 3) adding an oximation reagent, and conducting the oximation reaction at the temperature of 30 to 45 DEG C; 4) finally adding a derivatization reagent and n-hexane, and conducting the derivatization reaction at the temperature of 60 to 80 DEG C. According to the technical scheme of the invention, based on the above pretreatment method, the primary metabolites of a plant sample can be fully extracted, so that the abundant metabolite spectrum data information can be obtained. Meanwhile, both the change of metabolites during the extraction process, and the pollution of liposoluble substances to a gas chromatographic column can be avoided as much as possible. Therefore, the better sample reproducibility is realized.

The invention relates to a method for controlling blasting by double-medium decoupling fracture and damage and a blasting cartridge thereof. The method adopts cylindrical explosive, detonator or primacord to explode a hole on a blasted rock body. The method is characterized in that water and air are simultaneously used in the hole to separate explosive, wherein, the water medium is aligned to the side of a free surface, while the air medium is aligned to the side of a reserved surface; the uniform distributing state of explosive energy can be changed by using the characteristics that the two media have different efficiencies of transmitting energy, thereby achieving the function of completely destroying one side and protecting the reserved surface during blasting, and forming a flat fracture surface. The blasting cartridge consists of an outer tube, an inner tube and a separating wall, wherein, the separating wall separates a cavity formed between the outer tube and the inner tube into a medium chamber for containing the water medium and a medium chamber for containing the air medium; and an explosive chamber for placing the cylindrical explosive is arranged in the inner tube. The invention has the advantages of easily operating, improving explosive power and agglomerating rate, protecting stability of wall rock, reducing harm of dust and noise, and the like, and can be widely applied to smooth blasting projects such as tunnels, side slopes, water conservancies, mining, and the like.

The invention discloses a dried tangerine peel extract preparation method, wherein the dried tangerine peel extract is prepared by using dried tangerine peel as a raw material through cellulase and pectinase combined enzymolysis. The invention further discloses the dried tangerine peel extract prepared by using the method and applications of the dried tangerine peel extract. According to the present invention, by using the cellulase and pectinase combined enzymolysis method, the characteristics of high efficiency, simple and convenient operation, mild reaction condition and the like can be provided; after the enzymolysis reaction, ethanol is used as a solvent to extract; and the method has advantages of high yield, safety, effectiveness and solvent recovery, and is suitable for industrial production.

A method for extracting lentinan from the foot of lentinus edodes belongs to the technical field of polyose and derivatives processing and is used for solving the problem of improving the extraction rate of lentinan in the foot of lentinus edodes. The technical proposal is as follows: the foot of lentinus edodes is taken as raw material to prepare the lentinan through the steps of pretreatment, extraction, concentration, alcohol sedimentation and separation, drying and the like. After improvement, the extraction step is as follows: pretreated degreased lentinus edodes foot powder is extracted under decompressed hot reflux at the temperature of 40-70 DEG C; leaching liquor is 0.1-0.4mol/L diluted acid solution; the mass ratio of the diluted acid solution and the lentinus edodes foot powder is 30-50:1 when leaching; the leaching time is 40-90min; the pressure adopted in leaching is 2.5-15MPa; and the diluted acid solution is volatile acid solutions of hydrochloric acid, acetic acid and the like. The method increases the rate of extracting the lentinan from the foot of the lentinus edodes to a great degree, effectively improves the utilization rate of the raw material, reduces production cost, has simple and direct process route and little equipment investment, and is easy for industrialization and an effective method for comprehensively processing and using the foot of the lentinus edodes.

The invention discloses a method for multiphase catalytic ozone treatment of residual activated sludge, wherein the method comprises the steps: (1) adding an ozone catalyst into a sludge concentration tank, wherein the ozone catalyst comprises a carrier and active metal components loaded on the carrier, a transition metal and a rare earth metal are used as the active metal components, the transition metal is selected from non-noble metals of fourth and fifth periods of the periodic table of elements, the carrier takes 150-300 mesh activated carbon as a core and amorphous alumina as a shell, the amount of the activated carbon accounts for 10%-70% of the weight of the carrier, and the amount of alumina accounts for 30%-90% of the weight of the carrier; (2) introducing ozone into the sludge concentration tank of the step (1), and making the sludge decomposed; and (3) carrying out solid-liquid separation of the sludge after treatment in the step (2), and removing water. By adding the ozone catalyst into the conventional sludge concentration tank, uniform mixing is performed, then ozone is introduced, organic matters in the sludge can be quickly destroyed and decomposed, and the sludge quality and volume are effectively reduced; and the method is economical and practical, and easy to operate and manage, and has no secondary pollution.

The invention discloses a multi-stage processing system for crop straw and an operation method thereof, and relates to the technical field of straw processing. The multi-stage processing system for the crop straw comprises a pretreatment machine for cutting straw raw materials into strips, a crusher is arranged below the pretreatment machine, a feeding hopper close to the discharging end of the pretreatment machine is arranged at the top of the crusher, the crusher is internally provided with at least two groups of crushing mechanisms arranged from top to bottom, and the crushing mechanisms are arranged under the feeding hopper. The bottom of the crusher is connected with an extrusion processing machine, the pretreatment machine is used for cutting, the crusher is used for crushing, and the extrusion processing machine is used for extruding. The multi-stage processing system for the crop straw has the advantages that the functions are complete, use safety of equipment is high, and thequality of produced fuel is high.

The existing PAM (polyacrylamide) dewatered sludge has poor digestion efficiency due to oversize flocs in the anaerobic digestion process, thereby inhibiting the high-molecular organic matrix in the sludge from leaching, prolonging the retention time of the sludge, and providing possibility for degradation of PAM into the monomer acrylamide. The invention provides a recycling harmless system and method for promoting hydrolysis of residual PAM in dewatered sludge and simultaneously producing short-chain fatty acids, belonging to the field of sludge treatment and disposition. The method comprises the following steps: PAM dewatered sludge is subjected to pyrohydrolysis treatment to promote PAM flocs in dewatered sludge to dissociate; alkaline conditioning is carried out to sufficiently destroy the pyrohydrolysis sludge zoogloea floc structure; and the sludge is sent into an anaerobic fermentation tank to produce short-chain fatty acids. The method enhances the PAM hydrolysis rate, lowers the PAM potential toxicity, and implements recycling harmless utilization of PAM dewatered sludge.

The invention provides a method for preparing reducing sugar from a material containing cellulose. The method comprises a step of subjecting the pretreated material containing cellulose and cellulase to mixing and then to hydrolyzation, wherein pretreatment comprises mixing of the material containing cellulose with an acidic solution and microwave digestion at a temperature of 50 to 200 DEG C and a pressure of 0.05 to 2 MPa with 0.5 to 5 GHz microwaves for 1 to 60 min. With the method, the yield of reducing sugar can be increased.

The invention belongs to the technical field of environment-friendly coatings and relates to an environment-friendly coating for an exterior wall and a preparation method thereof. The environment-friendly coating for the exterior wall comprises the following raw materials in parts by weight: 40 to 50 parts of an acrylic emulsion, 20-30 parts of polyether polyol, 20-30 parts of a filler, 10-20 parts of carboxymethyl betaine, 5-10 parts of isocyanate, 5-10 parts of ceramic fibers, 5-10 parts of nanometer silicon dioxide, 5-8 parts of a surfactant, 3-6 parts of a plasticizer, 1-3 parts of a drying agent, 1-2 parts of an anti-aging agent and 0.5-1 part of an anti-ultraviolet agent, wherein the anti-aging agent is prepared from zirconium oxide, nanometer titanium dioxide and modified graphene according to a mass ratio of (10-5): (4-8): 1. The environment-friendly coating is non-toxic, odorless, green and safe, has good elasticity, flexibility, waterproofness, aging resistance, abrasion resistance and ultraviolet resistance, short curing time, good hardness and long service life, can be directly painted, and is convenient to operate and applicable to exterior walls.

The invention discloses a method for extracting hyoscyamine from mandragora flower, and belongs to the chemical fields of natural products, in particular to a combined method of smashing of plant tissue breaking process and ultrasonic extraction. The method comprises the following steps of: adding mandragora flower into 70-80% ethanol solution of which the weight is 1-3 times of that of the mandragora flower; smashing the mixture by means of plant tissue breaking extraction for 1-2 minutes; taking out the mandragora flower and adding 70-80% ethanol of which the weight is 8-10 times of that of the original weight; regulating PH value to be between 4.5 and 5.5; putting the mandragora flower into an ultrasonic extractor for extracting for 30-50 minutes; performing centrifugation; adding supernate into a macroporous resin column for performing adsorption; rinsing the resin column with water; adding 8-10 times of ammonia ethanol solvent elution effective components into the resin column; collecting and condensing eluant to obtain total alkaloids; performing ethanol recrystallization for twice to obtain high-purity hyoscyamine. The method has the advantages of easy operation, low energy consumption, mild reaction condition, low extraction cost and the like, and therefore, the method is a simple and easily-industrialized technique for producing hyoscyamine.

Belonging to the technical field of tea products, the invention discloses an extraction method for a green tea extract. The method includes: spraying dried green tea wet with water; putting the wet green tea into a pressurization container, pressurizing the container, when the pressure in the container reaches a certain degree, opening a container material spray port, then putting the tea into a pressure reduction container, reducing the pressure in the container, and when the pressure in the container reaches a certain degree, opening the container material spray port; then drying the green tea, and crushing the green tea; firstly soaking the obtained green tea powder with distilled water, and then performing extraction with boiling water; and subjecting the obtained extracted liquid to concentration on a rotary evaporator to obtain a green tea extract. The method provided by the invention employs hot water extraction, and compared with other extraction methods, greatly reduces the extraction cost of tea extracts, avoids the pollution of organic solvents, also has no need for adsorption to remove organic solvents, and the processed tea extract has high safety.

The invention discloses a new method for preparing granular modified regenerated rubber through two-stage continuous green regeneration of waste rubber. The method comprises the steps that rubber granules obtained by performing front section breaking on the waste rubber are spirally conveyed into a rubber regenerator, and on the condition that no chemical auxiliary needs to be added, two-stage continuous mechanical sulfur-breaking green regeneration of the waste rubber, that is, first-stage mechanical sulfur-breaking regeneration of pure rubber granules and second-stage mixing modification with a corresponding polymer modifying agent and mechanical sulfur-breaking regeneration are achieved; purifying and granulating, sealing treating, cooling and drying are sequentially performed to obtain the environment-friendly granular modified regenerated rubber, and finally the regenerated rubber is packaged through a packaging machine and warehoused. According to the method, a traditional one-stage desulfurization regeneration technique is replaced by a novel two-stage pure-mechanical high-shearing-action sulfur-breaking green regeneration technique, no chemical auxiliary needs to be added in the production process, the energy can be saved by 40%, the production process and the corresponding product are truly environmentally friendly and free of pollution, and meanwhile the granular modified regenerated rubber can act with the polymer modifying agent to obtain diverse environment-friendly granular modified regenerated rubber products.

The invention discloses a processing method of black tea. The method comprises the following steps: selecting leaves and pre-treating; withering; rolling; fermenting; removing moisture; shaping; drying; improving aroma; and screening. According to the processing method, moisture in intercellular spaces of the tea leaves is evaporated through stomas and horny layers through sun withering treatment, so that leaf textures become soft and subsequent withering and rolling treatment can be conveniently carried out; in a rolling process, a light-strong-light rolling manner is adopted and the cell disruption rate of the tea leaves can be effectively improved to be more than 91%, leaf tissues are sufficiently damaged and a foundation is laid for shaping; the processing method can be used for shaping the tea leaves into a spherical shape so that the appearance of the tea leaves is relatively exquisite and the tea leaves are convenient to fetch; after the tea leaves are subjected to strict temperature-control fermentation, the aroma is primarily extracted; and after the steps of drying and improving the aroma, the black tea which has the characteristics of rich aroma, rich taste, red and bright soup color and the like can be prepared.

The invention discloses an antrodia cinnamomea health tea. The antrodia cinnamomea health tea is prepared from tea and an antrodia cinnamomea extracting solution. The preparation method comprises the following steps: 3-4 parts by weight of the antrodia cinnamomea extracting solution is added into 100 parts by weight of tea in the way that the antrodia cinnamomea extracting solution is twice sprayed onto tea, 35%-40% of the antrodia cinnamomea extracting solution is added during rolling, and the rest of the antrodia cinnamomea extracting solution is added in the frying process. The invention also discloses a preparation method of the antrodia cinnamomea health tea. The antrodia cinnamomea health tea has the advantages of being good in taste, high in biological activity and favorable for human absorption.

The invention discloses a method for comprehensively using orange peels. The method comprises the steps: drying fresh orange peels, soaking in salt water for 8 to 12 hours, filtering, taking out the orange peels, and freeze-drying at a low temperature for 10 to 18 hours; putting the freeze-dried orange peels into a distillation tank, introducing steam to distill for 3 to 5 hours, and getting mixed steam; condensing the mixed steam through a condenser, conducting oil-water separation through an oil-water separator, and getting orange peel crude oil; standing the orange peel crude oil at low temperature, filtering, and getting orange peel essential oil. The orange peel essential oil extracted by the invention has a sweet orange aroma and can be applied in the fields of cosmetics, medicine and the like. The market prospect is good, and the abandoned orange peels are used comprehensively and reasonably, and have good economic benefit, ecological benefit and social benefit.

The invention discloses a vertical oscillation mechanism for extraction pretreatment. The vertical oscillation mechanism comprises a driving mechanism, an eccentric balancing weight, a crank, a test tube rack, a vertical slide rail and an elastic mechanism; the driving mechanism is connected with the middle of the eccentric balancing weight and drives the eccentric balancing weight to rotate; an eccentric shaft and a balancing weight are arranged at the two ends of the eccentric balancing weight respectively and are symmetrically arranged, and the eccentric shaft is hinged to the lower end of the crank; the upper end of the crank is hinged to a test tube rack, and the test tube rack is arranged on the vertical sliding rail in a sliding mode, and thus the driving mechanism drives the test tube to do vertical reciprocating motion along the vertical slide rail; and an elastic mechanism is arranged below the test tube rack in the direction of the vertical sliding rail, the bottom of the test tube rack is connected with the elastic mechanism, and the balancing weight is used for balancing the centrifugal force of the vertical reciprocating motion of the test tube rack and the test tube. According to the vertical oscillation mechanism, high-speed reciprocating motion is realized on an organic matter sample, so that the organic matter fully collides with the tube wall of the test tube, the cell wall of the organic matter is damaged, pesticide residues in the organic matter are extracted, the impact inertia is balanced, and the stability is good.

The invention provides an agent for deeply dehydrating sludge. The agent belongs to a compound microbial reagent and has prominent dehydrating and sterilizing effects. The invention further provides amethod for deeply dehydrating sludge. The method comprises the steps such as agent dehydration, sterilization, concentration, filtration and squeezing as well as solid-liquid separation and is simplein process, convenient to operate, low in treatment cost and remarkable in dehydration effect, and the water content of the dehydrated mud cake is low and reaches 50% or lower, so that the mud cake is convenient to transport and further treat. The invention further provides a device for deeply dehydrating sludge, due to the integrated optical layout of the device, devices relevant to sludge microwave disinfection, agent dissolution, dosing, solid-liquid separation and the like are mounted on a frame, and the frame is placed on a truck, so that the device is low in investment and cost, convenient to move and capable of solving the problem of sewage treatment for rural sewage treatment stations.