69results about How to "Solve effective use" patented technology

A microbiological fuel cell and a method for generating electricity by use of straws relate to a fuel cell and a method for generating electricity. The invention solves the problem that crop straws are not used efficiently, and particularly straw solids are not directly used in MFC. The microbiological fuel cell of the invention is composed of a container, catalytic anodes, anode wires, air cathodes, cathode wires, a cathode cover and a sealing cover. The method of the invention includes the steps of the pretreatment of the straws, the detoxifying treatment of the straws to obtain a straw solid substrate and a straw liquid substrate, the start-up of the cell, the treatment of the straw solid substrate or the straw liquid substrate. When the electricity is generated by the invention by using the straw solid substrate, the maximum power of the cell reaches 502mW / m<2>, and the degradation rate is about 45percent. When the electricity is generated by using the straw liquid substrate, the maximum power reaches 1288m W / m<2>, and the degradation rate of COD is 60 percent. The invention has the advantages of simple technology, convenient operation, high efficiency, no pollution, reduction of cost and relief of the energy crisis, and the straws in rural areas can be used efficiently.

Disclosed is a process for preparing microbiologically active organic fertilizer by utilizing discarded mushroom residue, which comprises the following steps, disintegrating the discarded mushroom residue, mixing with disintegrated stalks of agronomic crops or leftover bits and pieces of food processing factories, moistening with water, making the water content of the material to be about 65-70%, inoculating 2-8% of enzyme production composite microorganism agent, placing them in a fermenting tank, sealing for fermentation 5-15 days at a predetermined temperature, ventilating 15 minutes for every 24 hours during the fermentation process, when the biomass and enzyme vitality of the microorganism reach index point, the microbiologically active organic fertilizer can be obtained. The invention solves the problem of environmental pollution existed in the conventional treatment process for discarded mushroom residue.

A multi-functional table comprises an adjustable second support surface recessed below the upper support surface which extends outward therefrom for use as by a person seated adjacent to the table. When not in use, the second support surface is stored beneath the upper support surface of the table, requiring no additional storage or space requirements for the second support surface.

A process for preparing Mn-Si alloy from the slags generated in smelting low-carbon ferromaganese includes such steps as slagging, loading in slag ladle, adding ferrosilicon powder, and sufficient waving for reducing reaction to generate Mn and SiO2 and fuse the Mn and ferrosilicon together at 1500 deg.C to obtain Mn-Si alloy moulding, cooling and demoulding. The residual dregs can be used as rawmaterial of cement as its managanese oxide content is greatly reduced.

The invention provides a method for producing acetone butanol by jointly fermenting pentose and hexose. The method comprises the following steps: the pentose and the hexose are mixed, the weight of the pentose against the total weight of the mixture is between 5 and 75 percent, the mixture is added with a nitrogen source or a phosphorus source to obtain a raw material, and the raw material is subjected to cooking sterilization to obtain cooking mash; the cooking mash is cooled to a temperature of below 42 DEG C and injected with strains and fermented; and the fermented solution is filtered, distilled and rectified to obtain final acetone, butanol and ethanol products. By the invention, the method which effectively utilizes the joint fermentation of the pentose and the hexose to produce the acetone butanol is obtained. According to local conditions, lignocellulose is utilized to hydrolyze pentose and the hexose for joint fermentation to produce the acetone butanol, thereby realizing waste reutilization, facilitating environmental protection, promoting diversification of energy structure in China, ensuring safety of liquid fuel in China and having positive significance on improving creativity and research capability in the field of preparing biomass liquid fuel in China.

A time-series data management method, a time-series data management device, a time-series data management system, and a time-series data management program capable of eliminating overhead due to exclusive access control and improving the efficient use of a buffer as well as enabling the start position of the oldest or nearly oldest data to be specified easily. A buffer for storing time-series data from a plurality of time-series data generators is divided into a plurality of buffer elements to manage time-series data. The buffer elements are dynamically allocated to the respective time-series data generators.

The invention provides a method for producing a potassium fulvate organic fertilizer by biological enzyme pretreatment and potassium hydroxide alkaline process wheat straw pulping black liquid extraction, and belongs to the field of fertilizer production. The method comprises the three parts of pretreating wheat straw pretreatment black liquid by biological enzymes, extracting potassium hydroxide alkali process wheat straw boiling black liquid, and producing a finished product of the potassium fulvate organic fertilizer, wherein the process of pretreating wheat straw pretreatment black liquid by biological enzymes comprises the steps of wet process material preparation, wheat straw pretreatment by biological enzymes, and storage of black light containing rich potassium fulvic acid; the potassium hydroxide alkaline process wheat straw pulping extraction black liquid comprises extrusion of biological enzyme pretreatment wheat straws, mixing of wheat straws and potassium hydroxide medicine liquid in a pre-soaking machine, steaming ball steaming boiling spray discharging, and steamed and boiled black liquid collection and storage. The organic fertilizer production line comprises black liquid evaporation and concentration, guniting pelleting machine treatment, hot and cold sieving system treatment and organic fertilizer finished product packaging. The paper making black liquid is changed from waste into valuable materials; through biological enzyme pretreatment, the high-activity potassium fulvate organic fertilizer is produced.

Provides an emergency air supply system that is worn around the arm, presumably the wrist, and intended for use in air restrictive emergency conditions. Primarily it has been designed for the need to improve safety for water recreation or water sports where an individual is often caught gasping for air. This device is purposely designed to be no more obtrusive than a piece of clothing, such as a bathing suit, or a watch band would be, in order that it does not unduly restrict the water activity or water sport or any other potentially air restrictive activity you may engage in. The design is intended to encourage usage and increase safety, by way of its structural design that uses the strap-band itself as the mechanical structure of the entire mechanism. Thus creating a unique compact design, that is convenient to wear and provides air when you most need it.

A saw band of steel for a band-sawing machine has a band back and a row of teeth having a number of teeth, at least the row of teeth being provided with a hard material coating. According to the invention, this coating comprises one or more metals of subgroups IV, V or VI of the periodic system or aluminum or silicon and / or their nitrites, oxides, carbides, carbonitrides or borides of the aforementioned metals or mixtures thereof. A method according to the invention is a vacuum coating method, for example as PVD or paCVD.

An apparatus for controlling a fuel cell device for energy supply in a finished end product has a control unit for an operation of the fuel cell device, the control unit being formed so as to control control operational points in predetermined phases during the operation and to obtain an adjustable value of at least one device variable of the fuel cell device and to evaluate it with respect to at least one previously determined value of the device variable of the fuel cell device.

The invention provides a method for producing aluminum oxide. The method comprises the following steps: mixing an aluminum-bearing mineral raw material with a roasting additive for roasting so as to obtain a roasted clinker, wherein the roasting additive is acid sulfate or a mixture of sulfate and sulfuric acid, and the molar ratio of sulfate and sulfuric acid is 1:1; immersing the roasted clinker by water to obtain leacheate; carrying out solid-liquid separation on the leacheate to obtain an infusion solution and filter residues; concentrating the infusion solution and standing for crystallization so as to obtain an aluminum salt coarse product; dissolving the aluminum salt coarse product in water and adjusting the pH value of the obtained solution to 8.5 by using ammonium water, and then filtering to obtain aluminum oxide. Aluminum oxide can be quickly and effectively produced by virtue of the method, and the method is relatively low in roasting temperature and energy-saving and has no special requirements for the content of aluminum oxide in the mineral raw material. The obtained product is high in purity and has few tailings, so that secondary pollution can be effectively avoided.

The invention relates to a method for utilizing biological enzyme pretreatment + potassium hydroxide alkaline process straw pulping to extract black liquor to produce a potassium fulvic acid organic fertilizer and belongs to the field of organic fertilizer production. The method for producing the organic fertilizer comprises black liquor extraction after biological enzyme pretreatment, black liquor extraction after potassium hydroxide alkaline process straw cooking and production of the finished potassium fulvic acid organic fertilizer. According to the method, waste is turned into wealth, the novel biological enzyme pretreatment technology is utilized to extract the natural bioactive substance - fulvic acid which is very high in chemical activity and biological activity from the straw. Besides, inorganic nutrient such as nitrogen, potassium, calcium, magnesium, sulfur and silicon in straw stalk is reserved.

The invention discloses application of a polypropylene fiber-containing cemented filling material to filling mining, belonging to the technical field of filling materials for mines. The invention also provides the filling material, comprising polypropylene fiber, cement and mine tailings. The invention also provides filling slurry. The filling slurry comprises 1-3 parts of polypropylene fiber, 200-260 parts of cement, 975-1074 parts of fine tailings and 664-813 parts of water, wherein the fiber has a length of 6-12 cm, and the mass concentration of the filling slurry is 60-64% after mixing and stirring. According to the invention, doping of polypropylene fiber into the polypropylene fiber-containing cemented filling material can effectively overcome the problems of low strength and proneness to cracking of a fine-tailing filling body after curing and improve the compressive performance and fracture resistance of the filling body. With the fiber-containing filling material, the compressive strength and tensile strength of the filling body can meet the requirements of mining on the strength of the filling body, unit consumption of filling cement per cubic meter is reduced, and the utilization rate of the fine tailings is improved, so the polypropylene fiber-containing cemented filling material is an innovative filling material for mines and has a wide application range and good promotion value.

A method for determining a segmentation threshold of a digital image of a rock-soil material is disclosed. The method comprises the following steps: S1: acquiring a gray-level histogram curve of an SEM image of the rock-soil material; S2: determining a value range of a segmentation threshold T according to the gray-level histogram curve; S3: acquiring second derivatives of the gray-level histogram curve; and S4: determining the segmentation threshold T according to the second derivatives of the gray-level histogram curve and the value range of the segmentation threshold T. The present invention can rapidly and accurately determine the segmentation threshold of the digital image of the rock-soil material, and accurately distinguish a pore or fissure structure from a surface soil skeleton structure of the rock-soil material in the digital image.

This invention relates to a biological material ball stove including a fan, a secondary wind pipe, a valve, a flowmeter, a supply pipe, a gasification agent pipe, a loop air pre-heating chamber, a loop air conduction chamber, a stove head, a stove body, a heat preservation layer, an inner container and biological material balls, in which, the upper part of outside of the stove is a water tank made of stainless steel, the fan is connected with the loop air pre-heating chamber at the bottom of the hearth via a gasification agent pipe, the heat preservation layer, the inner container and the hearth are orderly placed in the body, a grate is under the hearth and the stove head is above it, the loop air conduction chamber is at the bottom of the head, the secondary wind pipe and the chimney are at the outside wall of the conduction chamber with a stage along the internal wall for placing a stove cover.

The invention discloses a production method of a potassium fulvate organic fertilizer prepared from black liquor extracted through biological enzyme pretreatment and potassium hydroxide alkaline reed pulping, and belongs to the field of fertilizer production. The production method comprises the following steps: using biological enzymes to process reeds to extract black liquor; boiling reeds to extract black liquor through a potassium hydroxide alkaline method, and producing finished products of potassium fulvate organic fertilizer. The biological enzyme pretreatment comprises steps of preparing raw materials through a wet method, using biological enzymes to process reeds, and storing the black liquor rich in potassium fulvate. The potassium hydroxide alkaline method comprises the following steps: extruding reeds, which has been preprocessed by biological enzymes, mixing the reeds with potassium hydroxide in a pre-soaking machine, boiling and steaming the mixture in a steam ball, and collecting the black liquor after steaming and boiling. The organic fertilizer production comprises steps of black liquor evaporation and concentration, pulp spraying and granulation, hot-cold sieving, and finished product package. The wastes are converted into valuable resources. The soil particle structure is improved. The soil is loosened. The water and fertilizer retaining performance of soil is enhanced.

A coating material, in particular for high temperature applications, comprises a binding agent and at least one filler material, which can be deposited on a metal surface. For this, the binding agent contains at least one siloxane with an organic residual share of less than 25 weight %. It is preferable if the siloxane or siloxanes is (are) cross-linked three and / or four times.

The invention discloses a method for processing a loquat leaf beverage, which comprises the steps of cleaning, disinsectization, sterilizing, rinsing, spreading and drying, water extracting, cooling and filtrating, blending, sterilizing and stocking. The processing method extracts the functional substances of the loquat leaf according to the characteristic that the loquat leaf is rich in compounds containing flavone, comparatively more inorganic salt, protein, glucide, amino acid needed by the human body and other nutrients, different edulcorants, antioxidants and complex densifiers are added to produce the beverage, which not only improves the added value of resources, but also increases the income of fruit growers and has remarkable economic benefits and social benefits. Fallen loquat leaves are usually taken as waste and burnt in loquat orchards, which not only wastes resources, but also pollutes the environment. The processing method takes the fallen loquat leaves as raw material, thereby utilizing waste effectively.

The invention relates to a carboxymethylation modification method and applications of semi-cellulose in waste liquor from viscose fiber production. The modification method comprises the steps of: adding monochloroacetic acid in a raw material which is alkaliferous semi-cellulose extracted from the waste liquor from viscose fiber production, reacting for 120-180min at 70-90DEG C, cooling, standing, washing supernated liquor with 90% ethanol, precipitating, and performing suction filtration to obtain a crude product; dissolving the crude product into water, and performing centrifugal separation; washing supernated liquor with 90% ethanol, precipitating, filtering, performing vacuum drying for 24h to obtain a carboxymethyl semi-cellulose product. After being applied to dispersing agents of coating, printing and dyeing, industrial water treatment and the like, the modified carboxymethyl semi-cellulose product has good adsorportion property, is low in usage amount and good in dispersity. The alkaliferous semi-cellulose extracted from the waste viscose fiber production liquor is subjected to carboxymethylation modification, the carboxymethylation modification method is simple in technology, easy to operate and low in production cost, the hydrophilicity of the modified semi-cellulose is greatly improved, the application performance is good, and the waste liquor pollution and the semi-cellulose plant resource reutilization problems can be reasonably solved.

The invention relates to a large breeding farm waste treatment device which comprises a solid and liquid treatment system and a smelly gas treatment system.The solid and liquid treatment system comprises a methane tank, a straw filter tank, a first sand filter tank, an aerobiotic catalytic oxidation tank, a second sand filter tank and a clean water tank.The methane tank is of a cylindrical structure and is provided with a methane tank feeding port used for waste water, excrement and treated straw to enter.The straw filter tank is of a cuboid structure, and a straw filter tank water inlet pipe is arranged on the upper portion of the straw filter tank and is communicated with a straw filter tank water distribution pipe.Outlet water of the second sand filter tank enters the clean water tank to be recycled.The smelly gas treatment system comprises a draught fan and a smelly gas alkalization absorption tank; after smelly gas enters the smelly gas alkalization absorption tank, pollution substances in the gas are subjected to a chemical reaction with an alkali solution, and the smelly gas is treated into clean gas which is emitted with the standard met.

A device for generating electricity by tide solves the problem of electricity generation by marine resources. The device comprises culvert pipes, piston sleeves, rack type piston rods, piston rod heads, compression springs, sealing strips, steel balls, guide sleeves, gearboxes, a set of transmission gears, a supporting base, universal couplers, a flywheel, an electricity generator and an output shaft. Piston bushes are arranged in the culvert pipes; the outer diameter of the piston sleeves is matched with inner holes of the culvert pipes, and the piston sleeves are sealed by the sealing strips; a set of ball sockets are arranged on the outer diameter surfaces of the piston sleeves; the steel balls are embedded into the ball sockets; one end of each rack type piston rod is connected with the corresponding piston sleeve through the corresponding piston rod head, and the other ends of the rack type piston rods are matched with inner holes of the guide sleeves; the compression springs are arranged between the inner holes of the piston sleeves and the rack type piston rods; the rack portions of the rack type piston rods are meshed with the transmission gears in the gearboxes; output of reciprocating motion of the rack type piston rods is in one-way rotation, and the gearboxes are fixed to the supporting base; and the output shaft of the gearboxes is in shaft connection with the electricity generator through the universal couplers and the flywheel, and therefore electric energy is output. According to the device, resources are effectively utilized, and benefits are giant.

An externally heated oil shale destructive distillation process is characterized by comprising the steps that oil shale which is dried and allows external water to be removed enters an externally heated horizontal rotating destructive distillation furnace from a destructive distillation storage hopper for heat exchange with a heat pipe, destructive distillation product semicoke and destructive distillation gas are fed into a gas-solid separation chamber simultaneously, solid semicoke is fed into a combustion furnace to be combusted, generated shale ash is discharged from the bottom of the combustion furnace, generated high-temperature flue gas is fed to the exterior of the externally heated horizontal rotating destructive distillation furnace for heat exchange with the heat pipe, and drying and dewatering are conducted on oil shale raw ore fed from the tail of the externally heated horizontal rotating destructive distillation furnace to a drying chamber under residual temperature of flue gas; gas in the gas-solid separation chamber is fed into a cooling recovery system for condensate recovery of shale oil, uncondensed gas is fed into the combustion furnace to be combusted, and generated flue gas is fed to the exterior of the externally heated horizontal rotating destructive distillation furnace for heat exchange or is fed into a nozzle located outside the externally heated horizontal rotating destructive distillation furnace to be combusted to generate high-temperature flue gas for heat exchange with the heat pipe.

The present invention relates to compositions for preventing and treating obesity, hyperlipidemia, atherosclerosis, fatty liver, diabetes or metabolic syndrome containing extracts of Glycine max leaves or fractions isolated from the same.

The invention discloses a regenerated micro-powder activation method. The method comprises the following steps: (1) selecting materials: selecting waste concrete and waste sintered bricks recovered from a construction site as regenerated micro-powder raw materials, wherein the waste concrete and the waste sintered bricks being processed separately; (2) creating an isolation area: selecting a construction area, erecting an isolation plate to seal the construction area, and installing a dust removal facility to create a construction environment; (3) performing primary crushing: performing primary crushing on the regenerated micro-powder raw material through a universal crusher; and (4) screening: screening the crushed regenerated micro-powder raw material to separate small fragments with the diameter of less than 40 mm, and taking powder with the diameter of less than 0.16 mm as initial regenerated micro-powder. The regenerated micro-powder can be collected to the maximum extent, the regenerated micro-powder is prevented from diffusing in air to form haze to pollute the atmosphere, and recycling is achieved; and the regenerated micro powder can be activated through the exciting agent and can be prepared into regenerated micro powder concrete and set cement, so the building waste is effectively and comprehensively utilized, and environmental hazards are relieved.

The invention discloses a two dimensional space track tester based on a double-axis optical fiber gyro, and belongs to the field of moving track engineering test. The tester comprises a host computer, an interface system connected with the host computer, a trochometer, an upper computer and an optical fiber gyro connected with the interface system, wherein the optical fiber gyro is a double-axis optical fiber gyro formed by integrating two single-axis optical fiber gyros into a gyro body; and sensitive axes of the double-axis optical fiber gyro are mutually perpendicular and can simultaneously measure running tracks in two directions on the same plane. The tester integrates the two single-axis optical fiber gyros into one gyro body, and sensor information is provided for the space runningtrack tester through the one double-axis optical fiber gyro. At the same time, only one set of interface equipment needs to be matched so as to solve the problems of large volume and lower integration of the prior track tester, and simplify the electric design simultaneously.