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31results about How to "Carbon free" patented technology

Method for soft soil foundation treatment through microorganism grouting sand drain

Disclosed is a method for soft soil foundation treatment through microorganism grouting sand drain. The method comprises the steps that a, a pile hole 1 is formed in a soft soil foundation to be treated, and sand is poured into the pile hole 1 to form a sand pile; b, a urease-producing microorganism solution 9 and a nutritive salt solution 10 are sequentially and evenly injected into the sand pile through a grouting tube 6, sand cementation is achieved through the microorganism induction calcium carbonate crystal technology, the concentration of the urease-producing microorganism solution 9 and the concentration of the nutritive salt solution 10 are controlled, sand in the pile body forms a specific cementation mode, and the good water permeable characteristic is ensured; c, after the microorganism grouting solidification sand pile is formed, a flexible water permeable sand cushion 4 is laid on the top of the foundation jointly formed by the sand oil and pile space soil 2, prepressing loads 5 are exerted on the top of the flexible water permeable sand cushion 4, pore water in the pile space soil 2 is made to be drained along a drainage channel formed by the sand pile and the sand cushion, the pile space soil is solidified, and the composite foundation with the high bearing capacity is formed jointly through the soft soil obtained after drainage and solidification are carried out on the microorganism grouting sand pile and the flexible water permeable sand cushion covering the soft soil.
Owner:NANJING FORESTRY UNIV

Wind energy electricity generating and supplying system of electromobile

The invention relates to a wind energy electricity generating and supplying system of an electromobile, relating to a wind power generation system, in particular to a wind energy electricity generating and supplying system provided for the electromobile. The wind energy electricity generating and supplying system comprises a ventilating duct, a wind speed flow-limiting valve, a plurality of wind energy generators, an automatic voltage regulator of a generator set, a power supply device and a power supply combination box, wherein the ventilating duct is arranged at the bottom of the electromoible, the wind energy generator is arranged in the ventilating duct, and the wind speed flow-limiting valve is installed at the wind inlet of the ventilating duct. A rectification voltage stabilizer comprises a rectifying diode and a voltage stabilizing diode, and a plurality of groups of line banks are installed in the power supply combination box. The power supply device comprises a control power supply transformer and a power supplying and standby power supply, wherein the input end of the control power supply transformer is connected with the output end of a standby power supply, and the power supplying and standby power supply comprises a solid contactor, a bypass switch, a maintenance bypass switch, a bypass static switch, an output switch, a charger, an inverter, an inverting static switch, a battery pack, a standby battery pack and a filter.
Owner:太谷县晋海通电子科技有限公司

Graphite electronic heat radiation material as well as preparation method and application of graphite electronic heat radiation material

The invention relates to a graphite electronic heat radiation material as well as a preparation method and application of the graphite electronic heat radiation material. The preparation method comprises the following steps that 1) expandable graphite is sent into pulses in a high-temperature furnace and a high-frequency electric induction field to be expanded into graphite worms; 2) the graphite worms are subjected to solid-gas separation; 3) the graphite worms directly pass through carbon nanometer tubes or are added into the carbon nanometer tubes after being cooled, then, the graphite worms pass through a conveying belt, electrodes are arranged under the conveying belt, calendar rollers are arranged above the conveying belt, and the pure graphite worms subjected to primary compression or the graphite worms containing the carbon nanometer tubes are obtained; and 4) the graphite worms are pressed into flexible graphite films, plates or coiled materials in a molding pressing or multi-section rolling modes. The graphite electronic heat radiation material has the beneficial effects that 1) the expansion is very sufficient, and substances inserted into positions between layers are basically volatilized at all; 2) the energy is saved, the emission is reduced, and the fuel gas heat source realizes the carbon-free discharge; 3) the heat conductivity index of products is improved; and 4) the vertical surface heat conductivity can reach 10 to 30w / (m.l), and the parallel surface heat conductivity can reach a value higher than 300 to 900w / (m.k).
Owner:WUHAN UNIV OF TECH

A method for treating soft ground with microbial grouting drainage sand pile

A method for treating soft ground with microbial grouting drainage sand piles, the steps comprising: a. making a pile hole 1 on the soft foundation to be treated, and pouring sand into the pile hole 1 to form a sand pile; b. using grouting The tube 6 uniformly injects the urease-producing bacteria liquid 9 and the nutrient salt solution 10 into the sand pile in sequence, and cements the sand grains through the technology of microorganism-induced calcium carbonate crystallization, and controls the concentrations of the urease-producing bacteria liquid 9 and the nutrient salt solution 10 to make the pile The sand in the body forms a specific cementation form to ensure that it has good water permeability; c. After the microbial grouting solidification sand pile is formed, a flexible permeable sand cushion 4 is laid on the top of the foundation composed of the sand pile and the soil between the piles. Apply a preload 5 on the top of the flexible permeable sand cushion 4, so that the pore water in the soil between the piles 2 is discharged along the drainage channel formed by the sand pile and the sand cushion, the soil between the piles is consolidated, and the microbial grouting sand pile, The soft soil after drainage and consolidation and the overlying flexible permeable sand cushion jointly form a composite foundation with high bearing capacity.
Owner:NANJING FORESTRY UNIV

Method for preparing light-burned magnesium oxide by magnesite cracking method

ActiveCN110526597ARealize dual utilizationEmission reductionHydrogenEnergy inputSyngasFluidized bed
The invention discloses a method for preparing light-burned magnesia by a magnesite cracking method, and relates to a method for preparing light-burned magnesia. The method comprises the following steps: the first step, magnesite powder (200 meshes) is preheated by a rotary preheater, and then uniformly enters into a fluidized bed through a feeding bin and a material leg; the second step, the magnesite powder is suspended (a residence time is 5 s-9 s) in a high-temperature (900 DEG C-1200 DEG C) carbon dioxide gas stream, and cracking is carried out to generate magnesium oxide powder and carbon dioxide gas; the third step, the generated magnesium oxide powder and carbon dioxide gas enter into a cyclone separator to realize separation of the magnesium oxide powder and carbon dioxide; the fourth step, the high-temperature magnesium oxide powder is settled to a material bin, and cooling is carried out by a rotary heat exchanger to obtain the light-burned magnesium oxide powder; the fifthstep, a part of the high-temperature and high-purity carbon dioxide is circulated as a fluidized gas, and mainly a coupling reforming reaction with methane is carried out to generate synthesis gas andfurther generate methanol; and the sixth step, air is subjected to heat exchange with the high-temperature magnesium oxide powder by a rotary jacketed heat exchanger, and then is used for preheatingthe magnesite powder to realize waste heat utilization.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

Method for dezincification of zinc-containing dust through microwave hydrogen reduction

The invention discloses a method for dezincification of zinc-containing dust through microwave hydrogen reduction, which belongs to the technical field of ferrous metallurgy and comprises the following steps: S1, carrying out optimized ore blending on different types of zinc-containing dust in a steel plant to obtain an ore-blended zinc-containing dust material; s2, a binder is added into the zinc-containing dust material obtained after ore blending, powerful mixing treatment is conducted, then high-pressure roller milling and wet milling combined treatment is conducted, and a uniformly-mixed material is obtained; s3, pelletizing the uniformly mixed material to obtain green pellets, and drying to obtain dry pellets; and S4, the dry balls are put into a microwave reduction furnace to be subjected to hydrogen reduction treatment, cooling is conducted under the protective atmosphere after reduction, and reduced dezincified balls are obtained. Aiming at the characteristics of high carbon content and excellent wave-absorbing performance in the zinc-containing dust of the iron and steel plant and the characteristics of high heating speed, small heat loss, strong penetrating power, convenience in operation and the like of microwave heating, the defects of high energy consumption and serious pollution of traditional heating can be obviously improved when the zinc-containing dust is heated.
Owner:CENT SOUTH UNIV

Wind energy electricity generating and supplying system of electromobile

The invention relates to a wind energy electricity generating and supplying system of an electromobile, relating to a wind power generation system, in particular to a wind energy electricity generating and supplying system provided for the electromobile. The wind energy electricity generating and supplying system comprises a ventilating duct, a wind speed flow-limiting valve, a plurality of wind energy generators, an automatic voltage regulator of a generator set, a power supply device and a power supply combination box, wherein the ventilating duct is arranged at the bottom of the electromoible, the wind energy generator is arranged in the ventilating duct, and the wind speed flow-limiting valve is installed at the wind inlet of the ventilating duct. A rectification voltage stabilizer comprises a rectifying diode and a voltage stabilizing diode, and a plurality of groups of line banks are installed in the power supply combination box. The power supply device comprises a control powersupply transformer and a power supplying and standby power supply, wherein the input end of the control power supply transformer is connected with the output end of a standby power supply, and the power supplying and standby power supply comprises a solid contactor, a bypass switch, a maintenance bypass switch, a bypass static switch, an output switch, a charger, an inverter, an inverting static switch, a battery pack, a standby battery pack and a filter.
Owner:太谷县晋海通电子科技有限公司

Compound pigeon manure traditional Chinese medicinal composition for treating allergic diseases, preparation method and application

InactiveCN105726621ARelieve asthma symptomsReliable anti-inflammatory effectRespiratory disorderImmunological disordersDiseaseCough variant asthma
The invention discloses a compound pigeon manure traditional Chinese medicinal composition for treating allergic diseases, a preparation method and application. The traditional Chinese medicinal composition comprises 10 parts of pigeon manure, 0 to 1 part of impatiens balsamina, and an auxiliary including 0 to 1.5 parts of albizia julibrissin durazz. or 0 to 1 part of nostoc commune; or 10 parts of pigeon manure, 0.8 to 1 part of impatiens balsamina and 1.2 to 1.5 parts of albizia julibrissin durazz.; or 10 parts of pigeon manure, 0.8 to 1 part of impatiens balsamina and 0.1 to 1 part of nostoc commune; or 10 parts of pigeon manure, 0.8 to 1 part of impatiens balsamina, 1.2 to 1.5 parts of albizia julibrissin durazz. and 0.1 to 1 part of nostoc commune. Except the impatiens balsamina, each of the other medicinal materials is independently fried, and then each fried traditional Chinese herbal medicinal material is proportionally mixed and crushed with the impatiens balsamina to finally obtain fine powder; an oral powder or liquid finished product is prepared; or oral capsules are prepared; or a powdery product for a patient to inhale is prepared. The traditional Chinese medicinal composition is mainly used for treating respiratory allergies, comprising bronchial asthma, cough variant asthma and allergic rhinitis, or treating allergic skin diseases, comprising urticaria, anaphylactoid purpura and cutis indurativa tuberculosis. The diseases can be radically treated.
Owner:梁鸿猷

Preparation method of carbon-containing micro-electrolysis material

The invention discloses a preparation method of a carbon-containing micro-electrolysis material, which comprises the following steps: S1, optimally proportioning a zinc-containing dust material, a carbon source and a binder to obtain a mixture; s2, intensively and uniformly mixing the mixture obtained in the step S1, and then carrying out high-pressure roller milling and wet milling combined treatment to obtain a uniformly mixed material; s3, pelletizing the uniformly mixed material obtained in the step S2 to obtain green pellets, and drying to obtain dry pellets; and S4, the dry balls obtained in the step S3 are loaded into a gas-based shaft furnace to be subjected to hydrogen reduction treatment, cooling is conducted under the protective atmosphere after reduction, and the carbon-containing micro-electrolysis material is obtained. According to the preparation method of the carbon-containing micro-electrolysis material, Fe and C contained in zinc-containing dust are fully utilized, dezincification of the zinc-containing dust and preparation of the micro-electrolysis material are achieved in one step through a reduction method, the traditional preparation process of the micro-electrolysis material is changed, and short-process and high-value comprehensive utilization of the zinc-containing dust is achieved.
Owner:CENT SOUTH UNIV

Method for enhancing vanadium shale ore grinding and leaching efficiency through microwaves

The invention relates to a method for enhancing vanadium shale ore grinding and leaching efficiency by utilizing microwaves. According to the technical scheme, the method comprises the following steps: crushing and screening vanadium shale raw ore to obtain vanadium shale raw ore with the particle size of less than 1.5 mm and vanadium shale raw ore with the particle size of 1.5-10.0 mm; starting a continuous microwave treatment device for strengthening vanadium shale ore grinding and leaching efficiency, feeding vanadium shale raw ore with the particle size of 1.5-10.0 mm from a feed port at the speed of 60-150kg/h, and performing water quenching according to the mass ratio of the vanadium shale subjected to microwave treatment to water of 1: (1-3) to obtain water-quenched slurry; and mixing the water-quenched slurry with the vanadium shale raw ore with the particle size of less than 1.5 mm according to the mass ratio of the vanadium shale raw ore with the particle size of less than 1.5 mm to the vanadium shale raw ore with the particle size of 1.5-10.0 mm of 1: (1.5-2), grinding, and leaching the obtained ground product. The method is short in treatment time, low in energy consumption, free of carbon emission, good in vanadium shale grindability and leaching rate strengthening effect, easy to operate, high in treatment efficiency and suitable for microwave strengthening of a vanadium shale all-wet-process vanadium extraction system.
Owner:WUHAN UNIV OF SCI & TECH

Hot-melt adhesive for transparent PP (polypropylene) boxes and preparation method of hot-melt adhesive

The invention relates to a hot-melt adhesive for transparent PP (polypropylene) boxes and a preparation method of the hot-melt adhesive, in particular to a hot-melt pressure-sensitive adhesive of polyolefin and a preparation method of the hot-melt pressure-sensitive adhesive of polyolefin, belonging to the technical field of a macromolecular adhesive. The preparation method comprises the following steps: adding metallocene-catalyzed propylene wax, tackifying resin which is C5 hydrogenated petroleum resin, and antioxidant into an electric-heating reaction furnace for heating; starting stirring, adding amorphous poly alpha olefin (APAO) and maleic anhydride-modified polyolefin, heating and melting; vacuumizing and then packaging to obtain the product hot melt adhesive for transparent PP boxes. The hot-melt adhesive of the polyolefin provided by the invention is characterized by simple preparation process, excellent performance at high temperature and low temperature, no carbonization, good initial adhesion, good final strength and low cost. The components with low viscosity are added firstly and then the components with high viscosity are added in the component adding process; and the rotation load of stirring paddles in the whole stirring process can be reduced, the mixing time can be decreased and the production cost can be saved by the adding sequence of the components.
Owner:WUXI WANLI ADHESION MATERIALS

A kind of graphite electronic heat dissipation material and its preparation method and application

The invention relates to a graphite electronic heat radiation material as well as a preparation method and application of the graphite electronic heat radiation material. The preparation method comprises the following steps that 1) expandable graphite is sent into pulses in a high-temperature furnace and a high-frequency electric induction field to be expanded into graphite worms; 2) the graphite worms are subjected to solid-gas separation; 3) the graphite worms directly pass through carbon nanometer tubes or are added into the carbon nanometer tubes after being cooled, then, the graphite worms pass through a conveying belt, electrodes are arranged under the conveying belt, calendar rollers are arranged above the conveying belt, and the pure graphite worms subjected to primary compression or the graphite worms containing the carbon nanometer tubes are obtained; and 4) the graphite worms are pressed into flexible graphite films, plates or coiled materials in a molding pressing or multi-section rolling modes. The graphite electronic heat radiation material has the beneficial effects that 1) the expansion is very sufficient, and substances inserted into positions between layers are basically volatilized at all; 2) the energy is saved, the emission is reduced, and the fuel gas heat source realizes the carbon-free discharge; 3) the heat conductivity index of products is improved; and 4) the vertical surface heat conductivity can reach 10 to 30w / (m.l), and the parallel surface heat conductivity can reach a value higher than 300 to 900w / (m.k).
Owner:WUHAN UNIV OF TECH

A method for preparing light-burned magnesia by a magnesite cracking method

ActiveCN110526597BRealize dual utilizationEmission reductionHydrogenEnergy inputEngineeringMagnesite
A method for preparing light-burned magnesia by cracking magnesite, relates to a method for preparing light-burned magnesia. In the first step of the method, magnesite powder (200 mesh) is preheated by a rotary preheater, and then processed The silo and material legs evenly enter the fluidized bed; the second step is that the magnesite powder is suspended in the high temperature (900°C-1200°C) carbon dioxide gas flow (residence time 5s-9s) and cracked to generate magnesium oxide powder and carbon dioxide gas; the second step The magnesium oxide powder and carbon dioxide gas generated in the three steps enter the cyclone separator to realize the separation of magnesium oxide powder and carbon dioxide; in the fourth step, the high temperature magnesium oxide powder settles to the silo, and is cooled by a heat exchanger to obtain lightly burned magnesium oxide powder; In the fifth step, part of the high-temperature and high-purity carbon dioxide is circulated as a fluidized gas, which is mainly coupled with methane to generate synthesis gas and methanol; in the sixth step, air and high-temperature magnesium oxide powder are exchanged through a rotary jacket heat exchanger. After heating, it is used for preheating magnesite powder to realize waste heat utilization.
Owner:SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY

External wall heat-insulation and fire-retardant material and preparation method thereof

The invention discloses an external wall heat-insulation and fire-retardant material and a preparation method thereof. The external wall heat-insulation and fire-retardant material is characterized by being prepared from 60-70 parts of foamable thermoset phenolic resin, 30-40 parts of thermoset linear urea resin, 3-8 parts of Tween 80, 10-30 parts of quartz powder, 10-15 parts of micro powder aluminium hydroxide, 10-20 parts of 4A zeolite, 5-12 parts of n-pentane and 2-6 parts of concentrated sulfuric acid. The external wall heat-insulation and fire-retardant material product disclosed by the invention is characterized in that the oxygen index is more than or equal to 55%, the water absorption is less than or equal to 2% (soaked for 24 hours), the heat conductivity coefficient is 0.02-0.029w / mk, the stability and weather resistance of the product are good, and the external wall heat-insulation and fire-retardant material product is non-toxic, odourless and environmentally-friendly. The external wall heat-insulation and fire-retardant material product is ideal fireproof, heat-insulation, energy-saving and beautiful environmentally-friendly decorative material. Detections carried out by national fireproof construction material quality supervision and inspection center show that the combustion performance of the external wall heat-insulation and fire-retardant material product disclosed by the invention is up to the grade A of the standard GB8624-2006 classification for burning behaviour of building materials and products.
Owner:南充春飞纳米晶硅技术有限公司

Environmental protection low discharging device capable of controlling exhaust noise and black smoke for diesel engine vehicles

May control the diesel engine vehicle to discharge noise black smoke natural environmental protection lowly discharging, design environmental protection exhaust noise black smoke control device domain. This invention goal is for overcome the solution above diesel engine, in the vehicle existing exhaust technology the deficiency, but provided one kind to adapt each diesel engine, the vehicle may arrange the noise elimination noise reduction, might control the fuel oil to discharge the ink smoke, did not need any existing traditional exhaust pipe and so on the appurtenance. And can achieve the environmental protection arranges the noise elimination noise reduction to reduce smoke, lowly exhausts the request to be possible to control diesel engine vehicle exhaust noise black smoke natural environmental protection lowly discharging. This invention goal is realizes like this; It takes a breath the burner body by the exhaust, first burning discharges fume the tube body, first burning discharges fume the tube, the lukewarm water air jacket, the purification burning carbon, the exhaust trades the trachea, the ear listens airless the sound examination to measure listens to part constitution and so on the exhaust pipe.
Owner:吴义贵 +1

Spiral waveform vibration ion engine

The invention discloses a spiral waveform vibration ion engine. A shell, an insulation heat insulation layer, a coil heating layer, a first insulation layer, an electrode cavity, a second insulation layer and a magnetic field generation rod are sequentially arranged from the outermost layer to the innermost layer of the ion engine. The electrode cavity sequentially comprises an electrode cavity outer ring, a third insulating layer, a fourth insulating layer and an electrode cavity inner ring from outside to inside; a propellant is filled between the third insulating layer and the fourth insulating layer; and two poles of the coil heating layer, the outer ring of the electrode cavity, the inner ring of the electrode cavity and two poles of the magnetic field generating rod are electrically connected with an alternating current power supply. The spiral waveform vibration ion engine has the beneficial effects of high efficiency and large thrust-weight ratio; cleanness and no carbon emission are realized; according to different properties of the carrier, the engine can select different metals, liquid metals or strong electrolytes as propellants; the engine can be designed to be cylindrical, disc-shaped or ring-shaped according to different shapes of carriers; and energy is saved, and long-time use can be achieved by one-time propellant filling.
Owner:孙克

Preparation method and application of environment-friendly hot melt adhesive having low initial adhesion and no compression sensitivity after curing and used for disposable sanitary material

The invention discloses a preparation method and an application of an environment-friendly hot melt adhesive having low initial adhesion and no compression sensitivity after curing and used for a disposable sanitary material. The hot melt adhesive is prepared from 10%-25% of naphthenic oil, 15%-35% of a macromolecular polymer, 1%-10% of synthetic wax and 0.1%-1.0% of an antioxidant. The inventionmainly aims to provide the environment-friendly hot melt adhesive which is used at four end seal parts of the disposable sanitary material, is not carbonized, has excellent bonding property, low initial adhesion, no compression sensitivity and low odors, continuous production of a production line can be guaranteed, the repair and maintenance costs of equipment can be reduced, and 10%-30% of production cost can be saved as compared with a traditional SBC formula hot melt adhesive. The hot melt adhesive overcomes the defects of high initial adhesion and high compression sensitivity of hot melt adhesives after curing in the prior art. The hot melt adhesive reduces initial adhesion and compression sensitivity of the hot melt adhesive after curing by use of a novel host material at four end seal parts of the disposable sanitary material.
Owner:GUANGDONG RURGA NEW MATERIAL TECH
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