41085results about How to "Less investment" patented technology

The invention discloses a two-bed duplex tube medical diagnosis X-ray high frequency high voltage generator, which comprises a power supply and a central control unit, and also comprises a high frequency inverter circuit, a pulse-width modulation drive circuit and a high voltage commutation circuit. The generator converts the industrial power supply into two way high frequency high voltage, and then obtains positive end DC high voltage and negative end DC high voltage after the rectification and the filter to supply an X-ray pipet for working. Because the frequency is high and the high voltage ripple after the rectification and the filter is minimum, causing the X-ray pipet of a radiographic table and the X-ray pipet of an electric perspective table to work in turn under the condition of arranging only one set of high voltage supply. The equipment investment is saved, and the work of using the X-ray diagnosis for the medical staff is convenient. Being served as the high voltage supply, the invention is also suitable for the safety detection fields such as the industrial fault detection, the civil aviation, the station, the custom, etc., and supplies the stable high quality high voltage for the equipment.

The preparation process of phenolic hydroxyl group-containing polyimide powder includes the following steps: 1. reaction of phenolic hydroxyl group-containing aromatic diamine compound or its mixture with other diamine compound and aromatic binary anhydride in the molar ratio of 1 to 1 in strong polar non-protonic organic solvent under protection of nitrogen at 0-30 deg.c for 3-12 hr to obtain transparent ropy polyhydroxy amido acid solution; and 2. adding azeotropic dewatering agent in nitrogen atmosphere and heating to 120-160 deg.c to reflux, azeotropically dewater and imidize for 5-18 hr, cooling to room temperature, washing and vacuum drying to obtain phenolic hydroxyl group-containing polyimide powder. The industrial production process has environment friendship, simple operation, low cost and easy solvent recovery.

Provided are an automatic cargo picking system and method. The automatic cargo picking system comprises a transfer robot, a control system and multiple ordered cargo containing containers; each ordered cargo containing container is arranged to contain one or more cargoes corresponding to an order; the control system and the transfer robot conduct wireless communication, the automatic cargo picking process comprises the steps that the control system distributes a task order for the transfer robot; the transfer robot obtains empty ordered cargo containing containers, transfers the ordered cargo containing containers to all cargo placing areas where the cargoes corresponding to the order are located to collect the cargoes and transfers the ordered cargo containing containers which complete cargo picking to the designated place. An automatic cargo picking technology is a scheme that the orders are assigned to people, and an original cargo shelf can be used; the cargo-to-people mode can adopt the method of conducting full container and full tray cargo storing on the original cargo shelf, and therefore the problem of frequent shelving is solved; the intelligent transfer robot is utilized for replacing manual transferring, and the labor intensity of picking personnel is reduced.

The invention relates to a device for removing several pollutants of boiler smoke. Wherein, it comprises (1), before or after the static deduster 5 of smoke channel 4, ejecting into ozone O3 at low temperature section as 110-150Deg. C, while the ratio between ejected amount and nitrogen oxide is 0.5-1.5, to oxidize the low-level nitrogen oxide insoluble into soluble high-level nitrogen oxide, and the sulfur oxide is transformed into sulfur trioxide, and the reaction time is more then 0.5s; (3), feeding treated smoke into alkali washing tower 7 to wash, and absorbing high-level nitrogen oxide and sulfur oxide.

The present invention discloses a catalytic reaction method. Said method can make the catalytic reaction be implemented in the supergravitational field. Said method utilizes the rotary bed supergravitational field equipment as reactor, on the rotor of said rotary bed supergravitational field equipment a porous catalyst layer and/or a porous filler layer are fixed, and the described catalytic reaction is homogeneous reaction or heterogeneous reaction. Said invention cal reduce catalyst consumption, raise utilization rate of catalyst, raise stability of catalyst and can reduce denergy consumption, etc.

The invention discloses a fingerprint identifying system which comprises three large parts of a fingerprint database, a central server and a client terminal; the fingerprint database is mainly used for memorizing the fingerprint characteristic information after digital coding; the central server is mainly responsible for validating the validity of the client terminal, receiving the fingerprint characteristic data, comparing the characteristics and returning the fingerprint identifying result; the client terminal is mainly responsible for collecting the fingerprint, extracting and uploading the fingerprint characteristic data. The system overcomes the defects of the prior art, can provide an online/offline fingerprint identifying system the basic algorithm library of which can be seamlessly expanded and the functions of which can be selected and matched. The fingerprint identifying system can lead a user to obtain the ID identification and authentication services with high quality under the situation of not needing a great amount of capital investment.

The invention discloses a process for producing low carbon olefin and arene parallel cogeneration gasoline by using methanol as a raw material. In the process, the methanol is used as the raw material and a molecular sieve catalyst is adopted to produce the low carbon olefin and arene parallel cogeneration gasoline by a methanol alkylation reaction and aromatization. In the process, the coal-based methanol is used as the raw material and can replace the conventional petroleum raw material to cogenerate a basis organic chemical raw material, and thus, the dependence degree of the conventional petrochemical industry on the petroleum can be reduced. Meanwhile, the process is also beneficial for reducing the foreign dependence degree of national petroleum, the strategic safety of energy and resources is improved, the production process of the process has low discharge, low pollution and low energy consumption, the requirements on green and environment protection are met, and the process has the advantages of low production cost and strong market competitiveness.

The invention discloses a novel absorbent which can remove SO2 and recover high-consistency SO2 at the same time, aiming at the characteristics of mixed gases such as flue gases of boilers of power plants, metallurgy sintering flue gases, sulfuric acid industrial tail gases, etc. The absorbent provided by the invention has the compositions as follows: (1) the absorbent has substance which contains 2 to 50 percent organic cations and 2 to 50 percent inorganic anions by mass concentration and is used as main component removing the SO2; (2) alkyl alcohol amide with the mass concentration of 0.1 to 3 percent is used as activator for removing the SO2; (3) phenols and quinones with the mass concentration of 0.1 to 0.2 percent are used as antioxidant of the absorbent; (4) metal oxide or inorganic salt with the mass concentration of 0.1 to 0.2 percent is used as corrosion inhibitor of the absorbent; (5) 5 to 95 percent of water is contained. The absorbent absorbs the SO2 gas in the mixed gases under the low temperature of 20 to 80 DEG C, dissolves the SO2 gas under high temperature of 85 to 130 DEG C, and generates the SO2 by-product with the concentration more than 99 percent (dry basis); the absorbent is circularly used.

The invention discloses a method for charging and starting a three-phase modular multilevel inverter in a self-excitation way under the condition of no need of an auxiliary DC power supply. In the method, by adopting interphase currents generated by line voltages of an AC system among converter bridge arms, the process of charging capacitors of all the submodules on the bridge arms is completed by controlling switching on and switching off an upper electronic power switch and a lower electronic power switch in the submodules of all the bridge arms when current directions of the bridge arms and capacitor voltages of all the submodules are detected; and all the bridge arms can be simultaneously charged, so that the three-phase modular multilevel inverter can be quickly and normally started in the self-excitation way.

The invention relates to a method for recycling valuable metal from a waste nickel-cobalt-manganese lithium ion battery. The method comprises the following steps of: dismounting, discharging and crushing the battery, soaking crushed waste nickel-cobalt-manganese lithium ions into sulfuric acid with certain concentration, adding a reducing agent to strip positive and negative pole pieces, and leaching valuable metals of nickel, cobalt, manganese and lithium; and replacing leach liquor with iron powder to remove copper, carrying out hydrolyzing to remove iron and aluminum, and dosing an impurity-removed solution to synthesize an aluminum coated nickel, cobalt and manganese ternary positive electrode material precursor, evaporating and concentrating the synthesized solution, adding carbonateor introducing carbon dioxide to recycle lithium. According to the method disclosed by the invention, stripping and leaching are synchronously completed, chemical precipitation is performed to removecopper, iron and aluminum, slag amount is small, slag filter performances are good, and the impurity-removed solution is used for synthesizing the aluminum coated nickel, cobalt and manganese ternaryprecursor, so that the recovery rate of valuable metal is increased; and the recovery rate for nickel, cobalt and manganese is 96% or higher in the whole process, the total recovery rate of lithium is90% or higher, the technological process is short, operation is simple, equipment is less, and the cost is low.

The invention relates to an assessment method of efficient operation of an intelligent power distribution network. The assessment method comprises the steps of: (1) determining boundary conditions; (2) determining service objects; (3) building an assessment index system which includes a power distribution network safety index, a power distribution network reliability index, a power distribution network economical efficiency index, a power distribution network high operation quality index and a power distribution network intelligence index; (4) determining assessment index numerical values of single items; (5) scoring for single items of assessment indexes; (6) performing comprehensive scoring of the assessment index system; and (7) judging whether efficient operation of the power distribution network is achieved according to a comprehensive score of the assessment index system in Step (6). The assessment method for efficient operation of the intelligent power distribution network in the invention has a relatively wide range of application, can comprehensively assess the operating state of the intelligent power distribution network, and an assessment result provides an importance basis for decision-making work of power grid dispatching, planning and operation management personnel.

The present invention relates to a building block of ecological slope protection vegetation, a fabrication method and a construction technique. The building block is composed of a growing bed body, a lath crib, planting troughs, a vegetation layer and a plant, the lath crib wraps the circumference of the growing bed body, the upper plane of the growing bed body is lower than the upper plane of the lath crib and concave, the vegetation layer is formed on the growing bed body, which matches the inner walls of the sectional area of the lath crib to form an integral building block, and more than one planting troughs are arranged on and run through the growing bed body. The design of the present invention is scientific, the structure is reasonable, the restoration of water ecology can reduce the operating cost, environment is improved, ecology is reinstated, harmonious natural beauty is enhanced, and the present invention is suitable for the nidification of small living creatures and the habitation and the survival of aquatic fishes, so that the cutting-off continuity of water and land regions is restored. The present invention is widely applied to channel slope protection, levee slopes, roadsides, airports, parks, public lands, household lawns, sports grounds, etc. The present invention is suitable for cold regions, damp regions, warm and damp intermediate zone, etc.

The invention discloses a hydrothermal synthesis method of lithium-ion battery anode material of lithium iron phosphate, relating two kinds of metal phosphate. The steps are as follows: lithium source and phosphorus source are dissolved in water or mixed with water, and added into the reaction autoclave, the quaternary cationic surfactants and the alkylphenols polyoxyethylene ethers nonionic surfactant is also added into the reaction autoclave, the air in the dead volume of the autoclave inside is purged by the inert gas, the autoclave is sealed and heated to 40-50 DEG C with stirring, a feed valve and an exhaust valve are opened, pure ferrous salting liquid is added into the autoclave, and then the autoclave is sealed for the reaction of the material at 140 to 180 DEG C for 30 to 480 minutes; the mixture ratio of the invention is set as follows: the molar ratio of Li, Fe and P is 3.0-3.15:1:1.0-1.15, and then the resultant is filtered, washed, dried and carbon-coated, thus the lithium iron phosphate is obtained. The lithium iron phosphate which is produced by the invention has the advantages that: the electrochemical performance is excellent, the particle size distribution of which the D50 is between 1.5 um to 2 um is even, the phase purity is above 99 percent and the electronic conductivity of the material is improved.

The invention discloses an intelligent depot output-input system of a digital grain depot. The intelligent depot output-input system of the digital gain depot comprises an intelligent depot output-input access control system, an intelligent depot output-input automatic sampling system, an intelligent depot output-input examination assay system, an intelligent depot output-input unattended operation automatic metering system, an intelligent depot output-input system control terminal, an intelligent depot output-input goods receiving-sending management system, an intelligent depot output-input system one-stop service platform and an intelligent depot output-input system control center. The intelligent depot output-input access control system, the intelligent depot output-input automatic sampling system, the intelligent depot output-input examination assay system, the intelligent depot output-input unattended operation automatic metering system, the intelligent depot output-input system control terminal, the intelligent depot output-input goods receiving-sending management system and the intelligent depot output-input system control center are connected with the intelligent depot output-input system one-stop service platform. According to the intelligent depot output-input system of the digital grain depot, a computer, the RFID internet of things technology, the communication technology and the information technology are converged together, networking, automation and intelligent management of the depot output and input are achieved, and labor participation is reduced.

The invention discloses a new method for large-scale production of calcium sulfate whiskers, which is characterized in that a large number of cheap water-soluble Ca2+ and water-soluble SO42- ions are used at a certain pH, salt-containing impurities and whisker control agents and a certain synthesis Calcium sulfate whiskers were synthesized under conditions such as , aging, and temperature. The invention has the advantages of simple process, low investment, low cost and excellent products. It can be co-produced with various existing processes containing Ca2+ and SO42-, can eliminate the waste water and waste residue pollution of these processes, and can greatly improve these co-production processes. economic benefits.

The invention belongs to the field of decorative materials, and particularly relates to an ultraviolet light cured transfer printing film and a preparation method and application thereof. The preparation method comprises the following steps of: uniformly coating or printing a mold release agent on a base load film, and performing infrared curing; uniformly coating or printing an ultraviolet light cured printing ink with a patterning function on a mold release agent layer, and performing curing through ultraviolet irradiation; or uniformly coating or printing an ultraviolet cured protective layer coating with anti-scratching and wear-resistant functions on the mold release agent layer first, then uniformly coating or printing the ultraviolet light cured printing ink with the patterning function on the mold release agent layer after the curing through the ultraviolet irradiation, and performing the curing through the ultraviolet irradiation; and uniformly coating or printing an ultraviolet light cured bottom color coating on an ultraviolet light cured printing ink decorative pattern layer, and performing the curing through the ultraviolet irradiation to obtain the ultraviolet light cured transfer printing film which can be used for producing an ultraviolet light cured transfer printing film decorative board. The ultraviolet light cured transfer printing film has high material strength, and has the advantages of high weathering resistance, high environmental protection, rich colors and patterns, full lacquer film, high hardness, scratch resistance, easy cleaning, noninflammability and the like.

The invention belongs to flue gas desulphurization technology of the environmental protection field. To solve the problems of large energy consumption, lower product quality and large investment in recovering ammonia sulfate by an ammonia desulphurization technique, the invention provides an energy-saving and high-quality ammonia desulphurization process for ammonia sulfate recovery. The process adopts ammonia water as a desulfurizer, ammonium sulfite is produced after the ammonia water and flue gas are decarbolized completely, and ammonia sulfate is produced after the ammonium sulfite is forcibly oxidized in a tower; impurities in the ammonia sulfate solution is removed by filtering, the filtrate is contacted with high-temperature flue gas in a desulfurizing tower for heat exchange, and when flue gas is cooled, the ammonia sulfate solution is heated and saturated; and then after crystallization of the saturated ammonia sulfate solution for a period of time, high-quality ammonia sulfate is produced after centrifugal drying. By adopting the technical proposal of the invention, not only thermal energy of an ammonia sulfate product which is produced by drying process can be greatly saved, high-quality ammonia sulfate fertilizer can be recovered, occupation area can be reduced and investment can be save, but also flue gas emission can meet the standard, without resulting in secondary pollution such as waste water and the like.

The invention relates to a process for producing an ultra-thick plate and belongs to the field of rolling and producing an ultra-thick steel plate in the metallurgical industry. The invention mainly overcome the defect of producing the ultra-thick steel plate by a traditional model casting manufacturing blank and an electro-slag remelting manufacturing blank. The method comprises the following steps: cutting and fixing lengths of the blanks, mechanically conditioning the blanks (eliminating, leveling and cleaning a single-surface oxide layer of a casting blank with a milling machine, a planer or a shot blast); clamping an assembly (relatively superposing the cleaning surfaces of the two blanks after processing, placing the two blanks oppositely and clamping the blanks); mounting the blanks in a vacuum chamber of an electronic beam welding machine for purpose of vacuuming; sewing the assembly on the electronic beam welding seal edge, heating the assembly in a furnace and rolling the assembly through temperature control; and then producing the ultra-thick steel plate. Compared with the traditional electro-slag remelting production process, the process has the advantages of high production efficiency, reduced electric power consumption, less investment of production devices and low production cost. Compared with the traditional die casting production process, the process solves the problem of segregation and looseness of a large-scale die casting ingot center part; the finished product ratio is high; and the finished product ratio of blank assembly is over 90 %.