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111results about How to "Great economy" patented technology

Method for culturing microalgae by utilizing flue gas of coal fired power plant

The invention relates to a method for culturing microalgae by utilizing flue gas of a coal fired power plant, comprising the following steps of: firstly, introducing flue gas to a CO removing tower, and leading the trace amount of CO and NO to generate CO2 and N2 under the catalysis of active semicoke; leading the flue gas from the CO removing tower to enter a desulfurizing tower again, oxidizingSO2 in the flue gas into SO3 under the catalysis action of active semicoke by utilizing O2 contained in the flue gas, and absorbing the SO3 on a catalyst; leading the flue gas to enter a denitrifyingtower after passing through the desulfurizing tower, oxidizing the NO in the flue gas into NO2 under the catalysis of active semicoke by utilizing the O2 contained in the flue gas, and absorbing the NO2 on the catalyst; and introducing the purified flue gas to a microalgae culturing device, fixing the CO2 in the flue gas by oily microalgae and then passing through a flue gas-flue gas heat exchanger, and finally, exhausting the residual flue gas through a chimney. In the method, the flue gas of a thermal power plant is taken as one of raw materials for microalgae culture, high-quality oily microalgae is obtained as oil-producing materials, not only the environment is governed, but also fuel is produced, therefore, the method has very important social, economic and environmental benefits.
Owner:OCEAN UNIV OF CHINA

Preparation method of polyferric sulfate

The invention provides a preparation method of polyferric sulfate. The method is that a sulfuric acid aqueous solution and ferrous sulfate are mixed to obtain a mixing solution of which the pH is 0.5 to 1.5; the mixing solution and hydrogen peroxide respectively individually flow through independent flowing channels and then are synchronously poured into a reaction system to react to obtain polyferric sulfate. With the adoption of the method, the oxidizing capacity of hydrogen peroxide can be improved, the rate of converting ferrous ions into ferric ions can be increased, and moreover, ferrous ions and hydrogen peroxide can fully contact and rapidly react; therefore, the problem of decomposing of hydrogen peroxide at a high temperature or strong acid condition in the prior art can be effectively solved, the dosage of hydrogen peroxide can be reduced, the cost input can be decreased, the operation process is simplified, and the reaction time is greatly reduced. The quality of polyferric sulfate prepared by the method meets indicators as specified by national standard on top quality goods; with the adoption of the polyferric sulfate to treat wastewater, the COD of drained water can be stabilized to be less than or equal to 86mg/L, so that the method is applicable to industrial production.
Owner:BEIJING SJ ENVIRONMENTAL PROTECTION & NEW MATERIAL CO LTD

Method for raising seedlings of Pinus kesiya var.langbianensis by efficient twig cuttage propagation

The invention relates to a method for raising seedlings of Pinus kesiya var.langbianensis by efficient twig cuttage propagation, particularly relates to a method for obtaining Pinus kesiya var.langbianensis by low-cost and efficient cuttage, which directly adopts mountain red soil (raw soil) as matrix and belongs to the technical field of cuttage seedling raising. Since mountain red soil (raw soil) has certain permeability, good water retaining capacity and less harmful bacteria, the method directly adopts mountain red soil as matrix for raising seedlings of Pinus kesiya var.langbianensis by twig cuttage, so as to increase the rooting rate and survival rate of the seedlings of Pinus kesiya var.langbianensis obtained by twig cuttage. The invention relates to a low-cost asexual propagation technology for Pinus kesiya var.langbianensis by twig cuttage. By use of the method provided by the method, the propagation coefficient is high, the seedling raising is not affected by seed size, the raised seedlings have relatively stable traits, the individual plant in a cutting orchard can provide 50-70 coppice shoots, and the ear length is 10 cm. The method has wide prospect of industrialization. The capacity of supplying Pinus kesiya var.langbianensis seedlings is greatly improved by virtue of the generalization and application of the method, and great economic, social and ecological benefits are generated.
Owner:PUER INST OF FORESTRY SCI

Control system used for hybrid electric power room air conditioner, and control method thereof

The invention discloses a control system used for a hybrid electric power room air conditioner, and a control method thereof. The control system comprises an air conditioner system connected with a photovoltaic solar energy power generation system, wherein the solar energy power generation system is connected with the inner alternating current power grid of the air conditioner system in parallel via the grid connected inverter of the solar energy power generation system; the air conditioner power supply socket of the air conditioner system is plugged into a domestic power grid; the domestic power grid is connected with an electricity load; the grid connected inverter is respectively provided with a grid connected inverter control panel and a control switch; the grid connected inverter control panel is connected with the control switch; the grid connected inverter control panel is connected with the air conditioner control panel of the air conditioner system via a communication line; and the air conditioner control panel is connected with the air conditioner operation panel of the air conditioner system via a signal line. After the above scheme is adopted, the integrated control on the photovoltaic solar energy power generation system of the hybrid electric power room air conditioner and the air conditioner system can be truly realized.
Owner:GUANGDONG CHIGO AIR CONDITIONING

Fabricated concrete composite wallboard structure

The invention provides a fabricated concrete composite wallboard structure. The fabricated concrete composite wallboard structure comprises an outer wallboard arranged towards the outside of a building, an inner wallboard arranged towards the inside of the building, and a reinforcing rib located between the outer wallboard and the inner wallboard, wherein the outer wallboard, the reinforcing rib and the inner wallboard are tied to form a whole body via a net rack; a functional compound layer is adhered to the outer surface of the outer wallboard; a part extending out of the outer wallboard, the reinforcing rib and the inner wallboard of the net rack is combined with cast-in-place concrete to form a hidden beam; a core hole used for reducing self weight of the structure is formed in the reinforcing rib along a vertical direction; a pipeline channel arranged along an axial direction of the core hole and used for laying pipelines is arranged in the core hole; and/or the core hole is also filled with core hole filling materials used for preserving heat and insulating heat; a pipeline box corresponding to the pipeline channel is pre-buried in the inner wallboard. Through type and quantity of the core hole filling materials, different heat preservation requirements in southern and northern regions are met; type and thickness of sound absorbing layers can be adjusted to meet the sound insulation requirement of the building, so that the application range of the multifunctional fabricated concrete composite wallboard is extended.
Owner:CENT SOUTH UNIV +1

Automatic monitoring and early warning method and system for tunnel section deformation

The invention provides an automatic monitoring and early warning method and system for tunnel section deformation. The method comprises the steps of collecting surrounding rock deformation data in tunnel monitoring measurement parameters through a laser scanner; acquiring selective measurement parameters in the tunnel monitoring measurement parameters through a comprehensive tester; analyzing thesurrounding rock deformation data and the selective measurement parameters, and judging whether a measured value in the surrounding rock deformation data at the current moment is greater than a firstthreshold value or not and whether a measured value in the selective measurement parameters at the current moment is greater than a second threshold value or not; and judging whether a judgment resulttriggers an early warning condition or not, and performing early warning after the early warning condition is triggered. All-weather and 24-hour automatic monitoring and early warning are realized, through real-time acquisition, real-time analysis and real-time early warning technologies of tunnel intelligent monitoring data, response time can be won in advance for occurrence of tunnel geologicaldisasters and engineering treatment, disaster accident loss is reduced to the maximum extent, safety of construction tunnels and operation tunnels is guaranteed, and the method has important engineering application value and huge social and economic significance.
Owner:HUNAN ZHILI ENG SCI & TECH

Method for preparing microbial oil by fermenting cassava starch and preparing biomouldsel from microbial oil

The invention relates to a method for preparing microbial oil by fermenting cassava starch and preparing biodiesel from the microbial oil and belongs to the field of biological energy sources. The method comprises the method for preparing the microbial oil and the method for preparing the biodiesel from the microbial oil and comprises the following steps of: fermenting dermoid Trichosporon B3 serving as an oil producing strain and cassava starch saccharified liquid serving as a carbon source in batches under a certain culturing condition to culture microbes, and drying and extracting to obtain the microbial oil; and performing transesterification reaction on the microbial oil serving as a raw material under the action of a catalyst to obtain the biodiesel, wherein the by-product is glycerine. The method has the advantages that: the cassava starch serving as the carbon source is fermented to prepare the microbial oil, so the cassava starch resource is fully used and the raw material cost for preparing the microbial oil is reduced; a process for transferring the microbial oil into the biodiesel is built; and the method is easy and convenient to operate and control, is environment-friendly, and has good industrial application prospect.
Owner:JIANGXI NORMAL UNIV

Method for manufacturing composite material of metal/ceramic layer structure

The invention discloses a method for manufacturing a composite material of a metal/ceramic layer structure. The method for manufacturing the composite material of the metal/ceramic layer structure adopts the following technologies: 1, bonding alloy preparation: the bonding alloy is Al-Zn-Fe-Ti alloy and comprises the following components in percentage by mass: 5%-40% of Zn, 0.5%-10% of Fe, 2%-20% of Ti, and the balance is Al; the bonding alloy is composed of a high melting point phase and a low melting point phase, is in solid phase under the normal temperature and is in solid-liquid phases with solid phase being 60%-80% and liquid phase being 40%-20%; and the melting point of the bonding alloy, the interface reaction phase and the phase composition can be adjusted by utilizing the contents of added composition elements of Zn, Ti and Fe; and 2, composite material preparation: heating ceramic and metal to a processing temperature simultaneously, then making the bonding alloy carry out a recombination reaction with the ceramic and the metal, making the ceramic and the metal be in composite molding together under the condition that the temperature is 80-120 DEG C higher than the melting point of the high melting point phase of the bonding alloy, and the composite material of the metal/ceramic structure can be formed by demoulding.
Owner:TIANJIN GONGDA GALVANIZING EQUIP CO LTD

Toothed rail and adhesion coaxial driving toothed rail driving device and toothed rail rolling stock

The invention discloses a toothed rail and adhesion coaxial driving toothed rail driving device and a toothed rail rolling stock. A driven gearwheel is mounted on an axle through a bearing; a gear shaft (83) and a toothed rail side shaft sleeve (84) are mounted on the axle on one side of the driven gearwheel through bearings; an adhesive side shaft sleeve (85) is installed on the axle on the otherside of the driven gearwheel in an interference mode, the gear shaft and the toothed rail side shaft sleeve are rigidly and fixedly connected into a whole body, and the driven gearwheel is connectedwith the toothed rail side shaft sleeve or the adhesive side shaft sleeve through a clutch; an eccentric mechanism (52) with a self-positioning and self-locking mechanism is mounted on the gear shaftthrough the bearing, a window is formed in the eccentric mechanism, and outer teeth of the gear shaft are exposed out of the window; and a toothed rail wheel (51) is installed on the eccentric mechanism through the bearing, and the toothed rail wheel is internally meshed with outer teeth of the gear shaft. A height of the toothed rail wheel can be adjusted, and different reduction ratios can be provided for toothed rail driving and adhesion driving.
Owner:ZHUZHOU ELECTRIC LOCOMOTIVE CO

Distant hybridization breeding method among three categories of shoal spartina alterniflora loisel, maize and rice

The invention discloses a distant hybridization breeding method among three categories of shoal spartina alterniflora loisel, maize and rice. The method comprises the following steps: carrying out hybridization by using maize as a male parent and using rice as a female parent to obtain a first hybridized generation of the maize and the rice; carrying out hybridization by using shoal spartina alterniflora loisel as a male parent and using the first hybridized generation of the maize and the rice as a female parent to obtain a distant hybridized seed among the three categories of the shoal spartina alterniflora loisel, the maize and the rice; and carrying out pedigree selective breeding on the distant hybridized seed among the three categories of the shoal spartina alterniflora loisel, the maize and the rice so as to select and breed out a salt resistant and high-yield seed. The invention selects and breeds a new variety suitable for growing on shoals by excavating and creating the high-quality high-yield economic property of the maize and the rice and germplasm resources of salt resistant genes of the spartina alterniflora loisel, and the new variety can be used as a grain and a feed. The invention has huge economic value and social meaning to develop and utilize wide shoals of China.
Owner:陈启康

Fast rooting flowerpot device and using method thereof

Disclosed is a fast rooting flowerpot device and a using method thereof. The fast rooting flowerpot comprises a water storage layer, a breathable and water absorbing layer and a colonization layer. Water is discharged automatically through side drain holes when a water supplying level reaches the height of the storage layer. According to the fast rooting flowerpot device and the using method thereof, the existing flowerpot structure in which water enters from the up and drains from the down is improved to a side draining structure, the air hole at the bottom of the existing flowerpot is transferred to the side of the flowerpot, therefore the fast rooting flowerpot can supply more water, nutrients and oxygen for plant growth than the existing flowerpot, satisfy requirements for thriving of the plants, a cover of the flowerpot can be opened from the middle and cover on the fast rooting flowerpot to fix the plants after bypassing roots of the plants, and water capacity in the flowerpot can be adjusted. The fast rooting flowerpot device and the using method thereof have the advantages of being suitable for a plurality of plant cultivation methods, particularly supplying an optimal container for medium cultivating and hydroponic plants, being regarded as an important breakthrough for the existing flowerpots, and suitable for indoor and outdoor potting, home beautification, office green decoration, ecological improvement of air quality, landscaping, building decoration, various kinds of potted plants and the like.
Owner:江素霞

Structural tomography method based on chart control

The invention relates to a structural tomography process based on a chart control, which can be conveniently used for concrete tomography under a visual development environment, thereby solving the problems that the existing structural tomography is expensive in price, inconvenient to use, bad in imaging effect and is not high in quality. The method is as follows: using a microcomputer and an inverse distance weighted interpolation algorithm to conduct preprocessing on data, namely performing interpolation encryption preprocessing for the inversion data, and then setting up the chart control; placing two chart controls on a development environment window to obtain a window control, using the chart control and the microcomputer to generate a contour map and a cloud chart, and then loading the data, respectively transmitting the data to a contour line type curve and a cloud chart type curve through a data loading process after the window control is set up and the imaging data interpolation is encrypted, implementing data loading and imaging, and performing a true coordinate labelling and grid line value drawing. According to the method provided by the invention, the operation is simple and easy, the application effect is good, the imaging effect is clear, the positioning is accurate, and the structural tomography requirements can be met effectively.
Owner:YELLOW RIVER INST OF HYDRAULIC RES YELLOW RIVER CONSERVANCY COMMISSION +1
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