93results about How to "Competitive" patented technology

The invention provides a method for treating claus technical tail gas. The method comprises the following steps of: continuously feeding the claus technical tail gas containing sulfur dioxide, oxygen and water into a reactor filled with a multihole carbon desulfurizing agent; generating catalytic oxidation reaction between the sulfur dioxide and the water in the tail gas on the surface of multihole carbon at the reaction temperature between 30 and 150 DEG C; and continuously introducing regenerative detergent into the reactor. By the method, adsorption, catalytic oxidation and desorption are synchronously carried out on low-concentration sulfur-containing waste gas in the claus technical tail gas which is difficult to treat; oxygen and water in the tail gas can be fully used; under the condition that oxygen is not required to be swelled and the water is not required to be compensated, standard discharging can be realized and sulfur resources can be recycled; an obtained by-product is dilute sulphuric acid which can be directly used in industrial production or used in the industrial production after being concentrated; the multihole carbon desulfurizing agent is low in cost and long in service life and can be recycled; the technical flow is simple, and the investment is low; and the running cost is competitive.

The present invention belongs to the field of numerically controlled machining technology, and is especially digitalized sneakers tree customizing production apparatus and process. The digitalized sneakers tree customizing production apparatus consists of a main control computer, a 3D foot form scanning instrument and a numerically controlled shoe tree machine connected together. The main control computer forms the sneakers tree template based on the foot form parameters obtained through measuring the loaded foot form with the 3D foot form scanning instrument, zooms and trims the tree template, converts the shoe tree data into an NC file suitable for machining and feeds the NC file to the numerically controlled shoe tree controlling system for driving the shoe tree machine. The present invention may be applied widely in customizing production of different shoes.

The present invention relates to a method for desulfurization and denitrogenation at the same time of treating flue gas by using urea catalyst. Said method uses the urea as absorbing agent, and uses titanium dioxide or diatomite as catalyst to prepare absorption liquor, makes the flue gas mixw ith the absorption liquor to recover ammonium sulfate and ammonium nitrate, and can make comprehensive utilization to prepare fertilizer. Said invention is high-effective, can stably remove SO2 and NOx, the SO2 removing rate is up to above 95% and the NOx removing rate is up to 80%. It has no secondary pollution and is low in cost, so that it is suitable for industrial production.

The invention discloses a far infrared heat-radiation ceramic slurry, the far infrared heat-radiation ceramic slurry is prepared by mixing a ceramic powder precursor with a corresponding solvent, a bonding agent, a dispersing agent or a structure modification agent, and the ceramic powder precursor is selected from a composition of salts or oxides of Na, Mg, Ca, B, Al, C, Si, Sn, Mn, Fe, Co, Ni and Cu. A functional ceramic body is obtained by coating the far infrared heat-radiation ceramic slurry on the surface of a substrate or adding the far infrared heat-radiation ceramic slurry into a polymer material, and then heating for drying. The functional ceramic body is a composition or a derivative with at least one or more than one structure of feldspar, olivine, cordierite, chlorite, green magnesium nickel ore, tourmaline, tremolite, actinolite, serpentine, spinel or calcite, has the far infrared radiation rate reaching 0.90-0.98, can rapidly transfer heat energy into radiation waves for spreading to the outside so as to achieve a rapid heat-radiation effect.

The invention provides a leak stoppage structure of a diaphragm pump head cover body, which sets the vertical wall surface of a lower step tank in an opening step tank at the bottom part of the pump head cover body into an inclined wall surface, so as to ensure that a horizontal acting force is generated on the outer surface of a water stoppage gasket immediately when the outer surface of the water stoppage gasket is contacted and pressed by the inclined wall surface in the lower step tank; and the water stoppage gasket generates vertical pressing and deformation under the blocking function ofthe outer edge surface of a fixed raised line in a piston valve body, thus achieving the effect of blocking the high pressure water to leak to the outside of the diaphragm pump.

The invention relates to a three-dimensional multilayer waveguide mode multiplexing and de-multiplexing device and a preparation method thereof and belongs to the optical communication device technical field, in particular, a mode division multiplexing system. According to the three-dimensional multilayer waveguide mode multiplexing and de-multiplexing device and the preparation method thereof ofthe invention, a three-dimensional multilayer waveguide integrated structure is adopted, and therefore, the limitations of a traditional two-dimensional planar waveguide structure can be eliminated, the integration dimensions of the device can be increased, the integration and flexibility of the device can be enhanced, and the communication capacity of a system can be improved. The boundary of anyone side of the upper-layer waveguide of the three-dimensional waveguide is aligned with the boundary of any one side of the lower-layer waveguide of the three-dimensional waveguide, so that the direct three-dimensional coupling of a fundamental mode and a high-order mode is realized, and therefore, a defect that a traditional three-dimensional mode multiplexer fails to realize direct coupling ofmodes can be eliminated, and the structure and complexity of the device can be simplified. The device of the invention is prepared based on a mature CMOS process, so that high efficiency, low cost and mass production of the device can be realized. With the three-dimensional multilayer waveguide mode multiplexing and de-multiplexing device and the preparation method thereof of the invention adopted, the flexible three-dimensional coupling of the modes can be realized, a solid foundation is laid for on-chip mode multiplexing technology. The three-dimensional multilayer waveguide mode multiplexing and de-multiplexing device and the preparation method thereof can be further applied to the flexible mode routing of a mode division multiplexing network.

The invention belongs to the technical field of online quantitative weighing and an automatic control system thereof, and in particular relates to a variable speed feeding quantitative weighing system based on a buoyant weighing and sensing principle. A mechanical system of the variable speed feeding quantitative weighing system consists of a feeding mechanism, a feeding machine, a weighing cylinder mechanism, a leverage which transfers a quantitative weighing force value during the weighing, a discharging mechanism, a discharging cylinder, a dowel bar, a buoyant weighing sensor and weights which can adjust the quantitative weighing value; and a programmable logical control (PLC) measurement and control system of the variable speed feeding quantitative weighing system consists of a chord length (L)/instantaneous velocity (V) variation and voltage amplification module, a filter module, an analog (A)/digital (D) conversion module, a PLC central processing module, a display module, a relay part, a feeding mechanism and an electromagnet control device. The basic principle of the system is that after the buoyant weighing sensor compares the measured weighing value with a preset weighing value range, when the output electrical signal value reaches the preset signal value, the PLC measurement and control system can be used for accelerating and slowing down the feeding machine, and thus, the dual purposes of increasing the production efficiency and improving the weighing accuracy are realized.

The invention discloses an electrolyte material of low-temperature oxide fuel battery and a production method thereof, characterized by the steps of adding 0.01-2M of carbonate solution into 0.01-2M of mixed solution of cerium nitrate or of cerium nitrate and doping element nitrate according to the mol ratio, 1:1.5-4.0, of cerium to carbonate iron; the doping elements are Y, La, Pr, Sm, Gd or Ca, the mol ratio of the doping elements to Ce is 1:1%-50%; stirring and heating or not heating the solution until the deposition is formed, and sintering the obtained dried matrix for 1 to 10 hours at 500 to 850 DEG C after drying, therefore nanometer composite material of cerium oxide and carbonate or the doping cerium oxide and carbonate is acquired. The electrolyte material used as the oxide fuel battery is chemically steady and includes high performances at low temperature (300 to 600 DEG C), by shown as the test, 1000 millwatts/square centimeter of output power can be attained at 550 DEG C.

The invention discloses a seat structure and manufacturing method of diode irradiance device, thereinto the irradiance device includes seat structure, diode chip, light getting layer and lens, the seat structure possesses heat-conducting noumenon, plastic insulator and lead rack. Thereinto the plastic insulator is combined with the heat-conducting noumenon via the first mould, and then it is produced via the heat-conducting noumenon or the first sprue of the first mould in effluence moulding mode and the lead rack is coated in the plastic insulator. The lens are produced by combining the heat-conducting noumenon which is after connection from diode chip to lead rack and coating of light getting layer with the second mould.

The invention belongs to a heating roll, in particular relates to an electromagnetic induction heating roll with a high-frequency power supply serving as a heating power supply. The electromagnetic induction heating roll comprises a roll in a hollow structure, a central pipe coaxially arranged along the roll and a coil arranged on the inner side of the roll. The roll is assembled with the central pipe in a rotating mode, a heating coil framework is fixed on the central pipe, a longitudinal section of the heating coil framework is in an annular shape, the heating coil framework comprises fixed plates and support plates, wherein the fixed plates are distributed at intervals along the radial direction and extend along the axial direction, and the support plates are connected between the fixed plates and the central pipe. High-temperature-resistant strand wires are distributed on the outer surfaces of the fixed plates in a coil mode along the spiral direction of a clip from outside to inside, the high-temperature-resistant strand wires are in electric series connection, and the head ends and the tail ends of the high-temperature-resistant strand wires are led out from a pipe cavity of the central pipe to be connected with the high-frequency power supply. The electromagnetic induction heating roll solves the problem that a long heating roll with a large diameter is not appropriately manufactured in the prior art, and has the advantages of being reasonable in structural design, convenient to install and maintain, suitable for manufacture of the long heating roll with the large diameter and the like.

The invention discloses a treadmill fitness method with a movement recognition function. The treadmill fitness method specifically comprises the following steps of S1, collecting human body data; S2,carrying out character modeling and virtual scene building; S3, acquiring and binding skeleton point information; S4, recognizing and judging movements. According to the invention, a user can send anoperation instruction to a system through screen prompt by using limb movements to control a virtual character to walk, run, jump and the like in a designed scene, so that the human-computer interaction experience feeling is high. Running routes designed in the system are divided into a virtual game route and a live-action route, and boring exercise experience of people during long-time exercise of a traditional treadmill is avoided.

A method for improving farmland soil fertility by an inorganic mineral activation material includes steps: taking basalt, dolomite and slag as raw materials and coke as a fuel, heating to 1600 DEG C to melt, adopting a centrifuge for fiber forming treatment to obtain a rock wool fiber material in a diameter range of 4-10micron, and performing loose granulation; mixing the rock wool fiber materialinto a farmland soil plough layer, wherein rock wool applying quantity is 18-22t/ha; applying a natural plant organic material; conventionally fertilizing, ploughing, and adjusting soil moisture untilfield moisture capacity reaches 65-75%, so that rock wool fiber particles are dispersed in a fiber form in soil under moisture absorption swelling and external ploughing action. The method has advantages that recycling of rock wool leftover materials can be realized, and low cost, simplicity, high efficiency and quickness in soil fertility improvement are realized.

A draining and filtering net (1), particularly for geotechnical applications, comprising an intermediate layer (2) and a first outer layer (3) and a second outer layer (4) at the mutually opposite faces of the intermediate layer (2). The particularity of the invention consists in that the intermediate layer (2) and the outer layers (3, 4) are provided monolithically. The intermediate layer (2) is constituted by a plurality of substantially continuous filaments (10) which lie along the extrusion direction. At least one layer of nonwoven fabric (20) is further provided which is connected to one of the outer layers.

The invention relates to an intelligent boxing target. For the intelligent boxing target, nine hitting points are arranged on the front of a target base, a circle of LED lamp strip is arranged aroundeach hitting point, a slave chip is arranged inside each hitting point, an acceleration sensor is arranged in the middle hitting point, sponge having the thickness being 15mm and used for realizing protecting and buffering is arranged on the surface of the middle hitting point, and a main machine, an mp3 decoding module, a power amplification module, a voice recognition module, an infrared receiver, an audio input line, an LED display module, a transformer module and an electric quantity display module are arranged in the target base; the main machine is connected with the LED lamp strips through LED drive modules for controlling the turn-on/turn-off of the LED lamp strips, the main machine reads and judges the turn-on/turn-off state of the nine hitting points through the infrared receiver, and is connected with a wifi modulethrough usart and also realizes networking, the main machine is in connection with the voice recognition module through I2C communication, and acquires the data ofthe acceleration sensor through usart communication with the slave chip; and the voice recognition module triggers the mp3 decoding module with low level, so that the mp3 decoding module plays music.

According to wood fiber-based composite sponge and a preparation method thereof, wood is used as a raw material, lignin is removed through sodium hydroxide and sodium sulfite, white wood fibers are prepared by combining methods of sodium chlorite, hydrogen peroxide oxidation and the like, the wood fibers are dissolved in deionized water, bismuth nitrate pentahydrate is added, a potassium bromide solution is dispersed into the solution, and then freeze-drying is performed to obtain fiber sponge; and the composite sponge shows super hydrophilicity and underwater super lipophobicity, selectively separates layered oil/water mixtures, can also be used for separating oil-in-water emulsion and adsorbing water-soluble organic pollutants at the same time, and is high in separation efficiency and adsorption efficiency. The regenerated composite sponge still has excellent reusability and efficient emulsion separation and dye adsorption performance.

The invention relates to a carbon-free toy car with a track shaped like an Arabic number eight. The carbon-free toy car is characterized by comprising a thread rope with a hanging object, a transmission thread rope, a base plate, a sleeve, a mounting rack, a duplex wheel, a winding shaft, a winding shaft gear, a duplex winding shaft gear, supporting seats, a rear axle, rear wheels, a differential, a steering mechanism and a front wheel. According to the carbon-free toy car with the track shaped like the Arabic number eight, gravitational potential energy is utilized for driving, the gravitational potential energy obtained when a heavy object falls is converted into kinetic energy for driving the front wheel to steer and driving the rear wheels to move forwards, the carbon-free toy car is environmentally friendly, free of carbon, compact in structure, low in cost, small in dependence on a site, strong in interestingness and competitive property and beneficial for teenagers to increase knowledge and widen horizons, the ability of the teenagers for using the hands and the brains is cultivated, and the comprehensive diathesis of the teenagers is improved.

The invention relates to a tower type solar energy-wind energy seawater vaporization water production apparatus, which is a tower type compact structure, wherein the tower type compact structure is formed by assembling a pretreatment tank, a concentrated salt water tank, a low temperature heating chamber, a vaporization chamber, a condensation chamber, a coagulation chamber, and a cold water tank from bottom to top in a layer-by-layer manner, and is assembled with a U-shaped gas-liquid heat exchanger, a sprayer, a pump, a fan and other ancillary products. According to the present invention, solar energy and wind energy are adopted as energy source power; low temperature heating, seawater atomization, vortex and a vacuum technology are comprehensively adopted; characteristics of efficient energy recovery, recycling, high seawater vaporization efficiency, high water production rate and high fresh water purity are provided; the apparatus is suitable for fresh water and electricity supply in water-free, electricity-free and uninhabited islands by the sea; the product can achieve large scale and miniaturization so as to form type spectrum serialization; and the apparatus can be generally used in drought inland areas along seas, rivers and lakes, and can be installed on ships for fresh water taking at any time, such that fresh water tanks can be saved, equipment investment is low, conventional energy sources are not consumed, water production cost is low, the obtained fresh water provides comparability with tap water, ecology environment benefits are good, and the water resource crisis problem is easily solved.