137 results about "Economic benefits" patented technology

The invention relates to a cyclic production method of glyphosate, belonging to the technical field of pesticide production techniques. The production method comprises steps as follows: the raw material dimethyl phosphite is subjected to an alkyl ester method to obtain glyphosate and a glyphosate mother solution; the glyphosate mother solution is treated to obtain a secondary alkali mother solution; the secondary alkali mother solution is subjected to catalytic preoxidation, high-temperature high-pressure air electrocatalytic degradation and liquid membrane extraction to obtain a liquid membrane concentrated solution and a saliferous liquid membrane diluted solution; the liquid membrane concentrated solution is subjected to active carbon decoloration, concentration by evaporation, and high temperature polymerization to obtain sodium tripolyphosphate; the saliferous liquid membrane diluted solution is filtered by a nanofiltration membrane to obtain a membrane concentrated solution and a membrane diluted solution; the membrane concentrated solution returns to the catalytic preoxidation step to be recovered; the membrane diluted solution enters an MVR (mechanical vapor recompression) system to be subjected to concentration by evaporation, thereby obtaining sodium chloride crystal, distilled water and a mother solution; and the sodium chloride crystal, distilled water and mother solution are respectively utilized. The invention lowers the production cost, enhances the utilization ratio of the product, reduces the discharge of waste liquor in the glyphosate production procedure, is environment-friendly, and has obvious comprehensive economic benefit and social benefit.

The invention provides a sludge-based adsorbent used for desulfurization and demercuration of flue-gas and a preparation method thereof. The sludge-based adsorbent employs municipal sludge and/or papermaking sludge as a raw material. The preparation method comprises the following steps: adding an activator and a physical conditioning agent into sludge slurry and carrying out mixing under stirring and mechanical dehydration; carrying out grinding and screening after drying; and carrying out physical activation after pyrolysis in an inert atmosphere so as to prepare the sludge-based adsorbent. According to the invention, the sludge slurry is used as a raw material, and uniformity of the activator and the physical conditioning agent is improved by using a wet method and the means of mixing; the activator and the physical conditioning agent can reduce repulsive interaction and hydrophilic interaction among electronegative sludge particles, and a porous lattice structure with a hard texture and good permeability is formed in a sludge cake obtained after pressure filtration and dehydration; the prepared adsorbent can be used for desulfurization and demercuration of flue-gas; and the preparation method has the advantages of simple procedures, easily controllable conditions, capacity of realizing harmony and unity of sludge treatment and resource utilization and good economic benefits, environmental benefits and social benefits.

The invention discloses a mobile contaminated bottom mud bag pocket dewatering and volume reduction treatment method which is characterized by comprising the following steps of: transporting contaminated bottom mud in a river or water reservoir to closed pipeline mixers via an environment-friendly sand dredger or mud pump, throwing a stabilizing and curing agent into the first pipeline mixer, throwing a flocculating and conditioning agent into the second pipeline mixer, finally dewatering and reducing volume of bottom mud in geotex pipe pockets, and curing and stabilizing bottom mud contaminates. After the bottom mud in the geotex pipe pockets is solidified for 7-50 days, the moisture content of the bottom mud reaches less than 55%. The bottom mud in the bag pockets is transported off the site by using a mobile car body. Treatment or resource utilization reaches national relative standards. The technological innovation bridge spot of the method is 'environment-friendly sand dredging + agent + geotex bag pocket dewatering + natural drying of bottom mud + mobile car body'. Not only is the sludge treatment amount large during project implementation process, but also no site area is occupied, the technology is simple, and the operating cost is low. Good economic benefits are achieved.

The invention relates to a cutting device, and particularly relates to an efficient cutting device of a hardware steel pipe. The invention aims to solve the technical problem of providing the efficient cutting device of the hardware steel pipe, which has the advantages of high cutting efficiency, high cutting speed and time and labor saving. In order to solve the technical problem, the invention provides the efficient cutting device of the hardware steel pipe. The efficient cutting device comprises a placing platform, an electric manipulator, a support rod, a sliding block, a first spring, a baffle, a sliding rail, a lifting rod, a guide plate, a fixed plate, a contact roller, a small belt pulley, a cam, a left bracket, a top bracket, a first belt, a gear motor, a double-groove belt pulley, a reeling wheel, a big belt pulley, a pull wire, a second guide wheel and the like, wherein the left bracket and the like are arranged at the bottom of the top bracket in sequence from left to right. The efficient cutting device has the effects of high cutting efficiency, high cutting speed, time and labor saving, novel design, convenience in use, easiness in operation, high practicability, high safety in operation and difficulty in damage, and economic benefits are increased.

The invention belongs to the technical field of genetic engineering, in particular to specific molecular markers of sex chromosomes of Tilapia nilotica, wherein the nucleotide sequences of specific molecular markers NtY1 and NtY2 of a Y chromosome are respectively shown in SEQID No.1 and SEQID No.2, and the nucleotide sequence of a specific molecular marker NtX1 of a X chromosome is shown in SEQID No.3; in the invention, a genetic sex identification method of Tilapia nilotica is established by using the specific molecular markers of the sex chromosomes of the Nile tilapia, and through carrying out PCR amplification on any one or more than one of the specific molecular markers of the sex chromosomes, YY super-male fishes, XY milter and XX female fishes can be identified economically, quickly and accurately, thus being beneficial to realizing the large-scale production of holandric Tilapia nilotica fries through YY super-male fish breeding routes, obviously improving the breeding production of Tilapia nilotica, reducing the breeding cost, and improving the economic benefit.

The invention relates to a preparation method for a super-hydrophobic/super-oleophylic loofah sponge fiber and an application thereof. The method comprises the following steps: pretreating loofah sponge fiber with sodium hydroxide and hydrogen peroxide and standing by; taking a certain amount of polyurethane adhesive and gas-phase nano-silica and adding into an acetone solvent; ultrasonically dispersing for 2-4 hours, thereby acquiring an acetone dispersion liquid; adding the pretreated loofah sponge fiber into the acetone dispersion liquid and ultrasonically dispersing for 2-10 hours; and drying in an oven, thereby acquiring the super-hydrophobic/super-oleophylic loofah sponge fiber used for effectively separating oil or organic solvent from water mixture. The preparation method provided by the invention is simple and quick; the used raw materials are economical, easily acquired and easy to degrade; the virulent fluorine-containing surfactant is not required; the prepared super-hydrophobic/super-oleophylic loofah sponge fiber has higher stability, excellent super-hydrophobic property and efficient oil water separation capacity; and besides, the prepared super-hydrophobic/super-oleophylic loofah sponge fiber has excellent strong acid resistance, strong base resistance, high salinity resistance, high temperature resistance and extensive social benefit and economic benefit.

The invention discloses a method for producing isopropylamine, which belongs to the technical field of amine. To solve the problem that the prior isopropylamine industrial production device cannot effectively convert diisopropylamine into the isopropylamine, a reactor for an acetone hydroamination reaction performs the sectional control of the reaction temperature, the reaction temperature of a first section positioned at an inlet of the reactor is between 110 and 150 DEG C, and the reaction temperature of a downstream section is 5 to 30 DEG C higher than that of an upstream section which is adjacent to the downstream section. Along with the gradual reduction of the concentration of acetone along a bed, the reaction temperature is improved section by section, which is favorable for converting the diisopropylamine and isopropanol into the isopropylamine, thereby reducing the circulation of the diisopropylamine and the isopropanol, reducing energy consumption, and preventing the diisopropylamine from being gradually accumulated in a system so as not to need operating a diisopropylamine rectification system with difficult operation. The method is simple, feasible and easy to realize,and has considerable industrial application value and economic benefit.

The invention discloses a double-layer dragon fruit planting method. Rectangular pieces are made firstly, the line spacing is 2.8-3.2 m, the width of the rectangular pieces is 1.4-1.8 m, and the height of the rectangular pieces is 20-30 cm. Cement columns with the radius of 5-7 cm are uniformly arranged on the rectangular pieces at intervals of 2-3 m, wherein the height is 175-185 cm. Two layers of rectangular frames are arranged on the columns, the lower-layer height is 95-105 cm, the upper-layer height is 170-180 cm, and the upper layer of rectangular frames is 3-5 cm away from the top ends of the columns. The width of the rectangular frames is 26-35 cm. Bamboo poles are arranged among the columns, long and short bamboo poles are arranged at intervals, long bamboo poles are connected with upper-layer long rods, short bamboo poles are connected with lower-layer long rods, and the separation distance of the bamboo poles is 40-50 cm. During planting, seedling selection, leveling, fertilization and separated planting, water and fertilizer management, branch pruning, flower and fruit management and dragon fruit planting management of disease and pest prevention and control are performed. The double-layer dragon fruit planting method adopts planting frames on the premise that the dragon fruit growth requirement is met and fully utilizes land resources and light conditions, the acre yield, quality and sweetness of dragon fruits are improved, and the economic benefits of dragon fruit planting are increased.

The invention relates to an electric vehicle charging station dispatching system and an ordered charging control method. On the basis of comprehensively considering the maximum charging power of ordered charging piles with adjustable charging power in a charging station and the target electricity utilization power issued by a superior scheduling system, the total target electricity utilization power issued by the superior dispatching system is distributed between the ordered charging piles, so that a value of the charging power of the ordered charging piles is between the minimum charging power and the maximum charging power, and the charging power of the charging piles in the charging station is comprehensively managed. Through the ordered charging control method, formulation of power sharing can be realized, so that transition of the charging behavior of the electric vehicles is guided from a one-way disordered random charging mode to an ordered charging mode, peak-sifting charging is achieved, power grid load fluctuations are reduced, energy losses of a power grid is reduced, and the reliability and economic benefits of a power distribution network are improved.

The invention discloses a method for preparing rod-like magnesium hydroxide from salt lake brine. The method comprises the following steps of: concentrating and crystallizing salt lake brine, from which elements such as potassium and lithium are extracted, serving as a raw material to obtain bischofite; dissolving the bischofite separated by crystallization into water to prepare magnesium chloride solution; introducing ammonia gas to perform magnesium precipitation reaction; when the pH value reaches 7-8, stopping introducing the ammonia gas, reacting at the temperature of 30-50 DEG C for 0.5-2 hours, aging and filtering to obtain alkaline magnesium chloride and magnesium precipitation mother liquor; dispersing the alkaline magnesium chloride in mixed solution of ethanol and water to obtain alkaline magnesium chloride suspension; adding sodium hydroxide to further precipitate to obtain rod-like magnesium hydroxide; filtering and separating to obtain magnesium precipitation mother liquor; replenishing the bischofite and circulating for precipitating the alkaline magnesium chloride; feeding to an ammonia still process along with concentration enrichment of magnesium precipitation mother liquor in ammonia chloride; performing ammonia still with lime; and circulating the produced ammonia gas to precipitate the alkaline magnesium chloride of a next batch and producing byproduct calcium chloride, wherein the magnesium content in the brine is not less than 93.4 g/L. The method has the advantages of high product purity, good economic benefit, no environmental pollution, high operability and easiness for industrial production.

The invention relates to a coke oven column maintaining processing method, in particular to a thermal-exchange construction method of a coke oven column. The method comprises the following steps: by aiming the situation that the middle of the coke oven column is greatly deformed, replacing the middle oven column part; under the condition of not unloading the upper and lower brace spring pressure, cutting off a deformed or destructed part in the middle after the upper oven column and the lower oven column are fixed by a reinforcement measure, then adjusting local parts which are not straight by a hydraulic system, and installing a new partial column on the cutting position. The invention has the following beneficial effects: numerous devices can be prevented from being dismounted by changing parts of the oven column, and the dismantling time in the early period and the installing time in the later period are shortened; the oven column is repaired during the production interruption time of the coke oven to guarantee the regular production of the coke oven; the method is simple in operation, and local protective maintenance can be carried out so as to reduce influence on the coke oven; the phenomenon that coke in the coke oven generates a great quantity of wastes because of too long operating time can be avoided, thus lightening pollution to the environment; and in addition, the maintenance cost is lowered and the economic benefit is high.

The invention relates to a device and a method for decreasing columns and reinforcing girders of reinforced concrete members, aiming to realize reinforcement of reinforced concrete girders and removal of columns while meeting requirements of room layout and use functions, and complete strengthening and reinforcing of the reinforced concrete girders by supporting action of the four-leg steel pipe struts rather than that of reinforced concrete columns. Particularly, two four-leg steel pipe struts are arranged on two sides of one reinforced concrete column, steel pipe top beams are supported to the bottoms of the reinforced concrete girders by jacks on the upper portions of the four-leg steel pipe struts, so that load of the reinforced concrete girders is transmitted, and the reinforced concrete columns are replaced. Further, the reinforced concrete columns are removed and formworks are mounted while concrete is poured, so that the purpose of reinforcing the reinforced concrete girders is achieved. The device is easy to manufacture, convenient to install, easy to operate and targeted highly, solves the difficulty in reinforcing the reinforced concrete walls and girders, and has high economic benefit and social benefit.

The invention relates to deep layer seawater cooling sea breeze air-conditioning pipeline system. It belongs to refrigerating engineering field. It includes sea surface working platform, air sterilization, clearing machine unit, compressor unit, master valve, input pipeline, sector valve, heat exchanger sector valve, output pipeline, exit master valve, secondary booster pump system, city transforming pipeline air treatment device, air compressor, city pipeline distribution system, allocate node device, and user using unit. Its principle are cleaning air at sea surface; is pressurizing the sterilized air by air compressor; entering underwater heat exchanger to exchange heat; outputting; the output temperature is 10 centigrade degree; entering city pipeline distribution system; entering user using unit by allocate node device. The invention can fully utilize sea water and cleaning sea wind to realize no pollution and save resources, offer cleaning low temperature sea wind for land mass, and improve working and living environment. Thus it has obvious social and economic benefit.

The invention discloses an engineering drilling device, and relates to the field of drilling devices in grouting construction. The engineering drilling device comprises a tamping machine head, a drill stem and a drill bit. A connecting base is installed below the tamping machine head, the drill stem is connected with the connecting base through a vibrating head, and the drill bit is installed at the tail end of the drill stem and connected with the drill stem in a threaded mode. The engineering drilling device further comprises a buffer device. The buffer device is arranged on the drill stem in a sleeved mode and located between the drill bit and the connecting base and comprises a fixing plate, a spring and a locating plate. The fixing plate is connected with the drill stem in a threaded mode, the spring is arranged below the fixing plate, and the lower portion of the spring is connected with the locating plate. The engineering drilling device is simple in structure, high in work efficiency and good in economic benefit.

The invention discloses a preparation method of battery-grade anhydrous lithium hydroxide, wherein industrial-grade lithium hydroxide monohydrate is used as a raw material, and the preparation steps comprises: dissolving, ultrafiltration, adsorption, recrystallization, jet milling, vacuum drying, electromagnetic iron removal, vacuum packaging and the like so as to finally obtain the battery-gradeanhydrous lithium hydroxide. The process is simple and high in operability, the added value of products is greatly increased, and economic benefits and social benefits of the products are increased.

The invention relates to the field of biomedicines, in particular to a method for inducing differentiation of stem cells into islet-like cells in vitro and use of islet-like cells. The invention aims to provide a method for obtaining a large amount of islet-like cells in vitro and the use of the islet-like cells differentiated under induction as seed cells in transplantation of islet cells and preparation of microencapsulated stem cell preparation and as an in-vitro pharmacokinetic model in cell medicine screening. For realizing the aim, the invention adopts a technical scheme that: 1) constructing an NRSF interfering carrier; 2) separating, culturing and amplifying stem cells; 3) inducing stem cells to differentiate into islet-like cells by two stages; and 4) identifying islet-like cells. The construction of the method has a very bright application prospect in regenerative medicine taking gene engineering, cell engineering, tissue engineering and the like as a basis and is expected to create huge social and economic benefit.

The invention relates to the field of plate-strip cold rolling mills, and discloses an eccentricity compensation method for a cold rolling mill upstream rolling mill roll. The method comprises the steps that firstly, a rotation angle of an upstream rolling mill roll is calculated; secondly, a strip outlet thickness difference measured by an outlet thickness gauge is used as an analytical signal source, and a fundamental wave of a signal of which the wave length is the same as the perimeter of the upstream rolling mill roll and amplitude values and phase positions of all subharmonic components are obtained through the Fourier analysis; lastly, an amplitude value and phase position of the needed compensation adjustment amount is obtained through calculation. According to the eccentricity compensation method for the cold rolling mill upstream rolling mill roll, the problem that the thickness precision of cold rolling products is poor caused by cyclical fluctuation of the incoming material thickness can be effectively solved, therefore, the quality and the yield of the cold rolling products are correspondingly improved, and meanwhile the economic benefit of producers is improved.

The invention discloses a message transmitting method based on an analog communication chip technology, solving the technical problem for uniformly processing the message with different types by providing a complete set of process logic and transmitting logic. The technical scheme comprises the steps of: setting a special process unit for uniformly transmitting the message on an object plate; memorizing message types which are allowed to be received by a communication chip and communication protocols correlative to the message of the type into a special memory unit which is matched with the special process unit by a CPU; processing the transmitting message by calling the transmitting process logic and allocation which are as the same as the communication chip with a match process software;after processing, returning the message from the special process unit to the communication chip to be processed by means of terminal output; and transmitting the communication chip. The method has the advantages of clear and simple software logic, low procedure complexity, fast software developing speed, and good economic benefit.

The invention relates to the technical field of printing and dyeing raw material mixing, in particular to a printing and dyeing raw material mixing device which comprises a heating box. A water inletpipe is fixedly connected on the left inner side of the heating box, a transition box is fixedly connected at the left end of the water inlet pipe, a CoolDrive A8 servo controller is fixedly connectedon the right of the top end of the transition box, the a 1FK7083-5AF1-1DG2 servo motor is fixedly connected at the top end of the transition box, a plug is fixedly connected at the left end of a spindle of the 1FK7083-5AF1-1DG2 servo motor, and a horizontal disk is fixedly connected on the inner side of the top end of a mixing box. The mixing device is provided with a first cleaning ring, an electric telescopic rod and a spring. The position between the first cleaning ring and the second cleaning ring is adjusted, on one hand, raw materials can be vertically stirred by the first cleaning ringand a second cleaning ring, on the other hand, the inner wall of the mixing box can be cleaned through the action of the first cleaning ring and the second cleaning ring, and the printing and dyeingraw material mixing device has huge economic benefits and wide market prospects and is worthy of popularization and use.

The invention provides a pineapple peeling machine and relates to a preparation method and a device. The pineapple peeling machine is small in size, light in weight and easy to carry; the peeling thickness can be changed freely; it is flexible and convenient to track and cut pineapple fruit holes; peeling and hole cutting for pineapples become simple and highly-efficient, so that the pineapple peeling machine has great social benefit and economic benefit.