40results about How to "To achieve the purpose of increasing efficiency" patented technology

The invention provides a method for extracting and recovering silver from a waste solar cell, and relates to a technology of solar material washing. The method comprises the following steps: a, washing the surface of a waste solar cell; b, soaking in hydrochloric acid to remove an aluminum back surface field; c, rinsing a silicon wafer subjected to aluminum back surface field removal with pure water, and then soaking in nitrohydrochloric acid to remove a silver electrode on the silicon wafer; d, adding HF into the nitrohydrochloric acid to remove a silicon nitride blue membrane on the surface, thus obtaining a clean silver extraction wafer; e, rinsing the silver extraction wafer with pure water, soaking in mixed acid, and cleaning to obtain clean fragments; and f, adding high-purity iron powder into the nitrohydrochloric acid solution, stirring, filtering silver powder after the reaction is finished, drying, proportioning, and smelting to obtain a high-quality silver ingot. The invention has the following beneficial effects: through the properties of different kinds of acid, the aluminum, silver and silicon nitride on the cell can be subjected to independent treatment, so that the cell can be fully utilized; meanwhile, the silver can be recovered, and about 0.6kg of silver can be recovered from 50kg of cell; and the silicon ingot production cost can be effectively reduced, thereby achieving the synergy purpose.

The invention discloses a yield-increase accelerant for preventing flower and fruit dropping of large cherry. The yield-increase accelerant is prepared from the following raw materials by the mass percentage: 0.2%-0.4% of phethalanilic acid, 0.1%-0.35% of 6-benzylaminopurine, 0.08%-0.2% of auxin, 2.8%-4.0% of brassinosteroid, 0.5%-2.5% of a penetrating agent, and the balance dimethylformamide. In addition, the invention also discloses a preparation method of the yield-increase accelerant. The yield-increase accelerant can promote pollination and fertilization of the large cherry, has flower and fruit retention effects, effectively prevents flower and fruit dropping of the large cherry, improves the fruit-setting ratio of the large cherry, induces cell division of large cherry fruits, improves the quality of the large cherry, increases the single fruit weight to the greatest extent, thereby improving the yield and achieving purposes of increasing yield, income and efficiency.

The invention discloses a waste water recycling pad dyeing long machine and a waste water recycling method thereof. The waste water recycling pad dyeing long machine comprises a desizing, scouring and bleaching combined machine, a mercerizer, a first recovery processing box, a second recovery processing box, a third recovery processing box, a first recovery pump, a second recovery pump, a third recovery pump, a light alkali recovery pool, a dilatation evaporator, an alkali dosing pool, a recovery pool, a recovery pump and connecting pipelines. The method comprises the following steps: a. introducing washing waste water into the first recovery processing box and then pumping into a scouring machine after filtering; b. introducing light alkali with high alkali concentration into the dilatation evaporator for processing through the recovery pool, then introducing processed high-concentration alkali liquor into the mercerizer for reuse and introducing processed water into an oxygen bleaching washing box for use; and c. introducing oxygen bleaching process water into the second recovery processing box and then introducing into a desizing machine washing box for use after filtering. The invention has the advantages of small waste water discharge, high efficiency, energy conservation, etc., saves a large amount of production water and alkali, and meets requirements of energy saving and emission reduction.

The invention discloses an early-maturing high-yield high-density cultivation method for winter peaches. The method includes the steps of field preparation and selection, planting of peach seedlings, daily management and harvesting, wherein during planting of the peach seedlings, deep tillage is conducted on soil, basic fertilizer is applied, and high-quality strong seedlings of the winter peaches are selected for planting; the daily management includes the aspects of management of soil, water and fertilizer, prevention and control of diseases and pests and trimming for shaping; during harvesting, fruits are picked after ripening. According to the early-maturing high-yield high-density cultivation method for the winter peaches, planting density is high, land resources are fully utilized, and meanwhile, the soil fertility is improved, the winter peaches grow fast, the growth period is short, diseases and pests are unlikely to occur, the winter peaches are high in yield and excellent in quality, and the economic benefit of winter peach planting is effectively increased.

The invention relates to the technical field of solar batteries, and discloses a passivation structure applied to a contact passivation battery and a preparation method of the passivation structure in order to solve the problem of high light absorption rate of a contact passivation layer in a TOPCon battery in the prior art. The passivation structure comprises an N-type substrate, two positive electrodes arranged on the front surface of the N-type substrate, and two negative electrodes arranged on the back surface of the N-type substrate, wherein a SiO2 layer is arranged on the back surface of the N-type substrate, and a doped polycrystalline SiOxNy layer is arranged on the SiO2 layer. According to the invention, the doped polycrystalline silicon oxynitride layer is used for replacing a polycrystalline silicon layer, and on the basis of ensuring small change of contact resistance, the light absorption of the contact passivation layer is reduced through doping and annealing under proper conditions, and the efficiency of the contact passivation type cell is improved.

An electric locomotive harmonic suppression method comprises: performing direct current component separation of alternating current transmitted by a primary side of a traction transformer, and obtaining first direct current components and second direct current components of harmonic currents with the preset number of times of the alternating current; employing a PI regulator to generate a harmonicvoltage regulating variable according to the first direct component and the second direct current component of each harmonic current of the alternating current; performing overlapping of the harmonicvoltage regulating variable and an output fundamental wave voltage of a grid-side converter to obtain a target output voltage of the grid-side converter, and outputting a control instruction corresponding to the target output voltage to control the grid-side converter to generate a compensation current so as to offset harmonic currents included in the alternating current. Harmonic currents in a high-voltage electric network are subjected to suppression at a secondary side of a traction transformer, and compared to a current electric locomotive harmonic suppression method, the electric locomotive harmonic suppression method is more flexible in realization and is higher in reliability and safety.

An electric locomotive harmonic suppression method comprises: performing direct current component separation of an alternating current transmitted by a primary side of a traction transformer, and respectively obtaining a first direct current component and a second direct current component of harmonic currents with the preset number of times of the alternating current; generating a harmonic voltageregulating variable with the preset number of times through combination of a preset current reference value according to the first direct current component and the second direct current component ofeach harmonic current of the alternating current; and performing overlapping of the harmonic voltage regulating variable with the preset number of times and an output fundamental wave voltage of a grid-side converter to combine a target output voltage of the grid-side converter, and generating a corresponding control instruction according to the target output voltage to control the grid-side converter to generate a compensation current. Harmonic currents (namely harmonic currents existed in the alternating current transmitted by the primary side of the traction transformer) in a high-voltage electric network are subjected to suppression at a secondary side of a traction transformer, and compared to a current electric locomotive harmonic suppression method, the electric locomotive harmonicsuppression method is more flexible in realization and is higher in reliability and safety.

The invention discloses a herbicide mixture preparation, which includes (by wt%) glyphosate herbicide 10-96, oxyfluorfen 0.1-90, wetting agent 1-5, dispersing agent 1-10, binder 1-10, disintegrant 1.5-15, and filler for allowance. The inventive herbicide mixture preparation mixes glyphosate and oxyfluorfen according to reasonable proportions without changing their weeding activity, and realizes synergism through adding adjuvants and fillers; and it greatly improves the effect on controlling annual gramineous weeds, perennial weeds and broad-leaved weeds, while reducing the pesticide use and cost.

The invention provides a cooling device for preparation of HDI by a gas phase process. The cooling device includes a spray condensation area disposed between a reactor and a reaction collector, a first nozzle is disposed at the upper part of the spray condensation area, the first nozzle is connected to a chlorobenzene conveying pipe, chlorobenzene is sprayed in the spray condensation area throughthe first nozzle to cool and absorb HDI prepared by the reactor, so that HDI can be separated from other gaseous substances, the reaction collector is equipped with a gas outlet pipe and a drain pipe,and the drain pipe sends chlorobenzene containing HDI to a next procedure. Compared with the traditional technology, the device and method provided by the invention can save energy, achieve more thorough absorption of HDI by chlorobenzene, and reduce by-product generation, thus increasing the product yield, are beneficial to normal running of the reaction, also play a cooling role, prolong the normal production time, and reach the purpose of synergy.

The synergetic bisultap is prepared by diluting bisultap with clear water to concentration of 10-35 % and mixing with alkyl aryl polyoxyethylene ether containing emulsifier and/or fatty alcohol polyoxyethylene ether containing emulsifier and has a ratio between the diluted bisultap and emulsifier of 1 to 0.00005-0.002. The addition of the alkyl aryl polyoxyethylene ether containing emulsifier and/or fatty alcohol polyoxyethylene ether containing emulsifier can increase the adhesion and penetration of the bisultap on crop greatly and raise the utilization of bisultap.

The invention relates to a processing method of radix paeoniae alba and a radix paeoniae alba processed product. The method comprises the following steps: step 1, selecting fresh radix paeoniae alba, cleaning the fresh radix paeoniae alba, and removing heads, tails and fibrous roots; step 2, soaking the cleaned radix paeoniae alba with water for 3-6 hours; step 3, placing the soaked radix paeoniae alba in a steaming container, and steaming the radix paeoniae alba in the steaming container; and step 4, taking out the steamed radix paeoniae alba, removing the skin, slicing the steamed radix paeoniae alba without skin, and naturally airing the radix paeoniae alba slices to obtain the radix paeoniae alba processed product. The radix paeoniae alba processed product contains paeoniflorin, and the mass content of the paeoniflorin is greater than or equal to 2.4%. According to the radix paeoniae alba processed product prepared by the method, the effective components are obviously improved.

The invention discloses charging automatic control system of boiling type pith-removing machinery. A current sensor is mounted on a motor of the boiling type pith-removing machinery; a material blanking baffle plate is arranged in a bagasse blanking hole of a bagasse conveyor belt before the bagasse enters the boiling type pith-removing machinery; the baffle plate is driven by an electric hydraulic pushing rod; a monitoring system is mounted above the bagasse blanking hole and a spiral blade of the boiling type pith-removing machinery; a PLC (programmable logic controller) is mounted in an operating room, and connected with the display screen; the current sensor is used for transmitting a current value signal of the boiling type pith-removing machinery to the PLC; after being processed by an inner order of the PLC controller, the signal is output to control a motor of the electric hydraulic pushing rod to operate, so that the electric hydraulic pushing rod is driven to work; the opening degree of the blanking baffle plate is regulated to control amount of the bagasse of the bagasse blanking hole, so that the normal dispersing and turning work of the pith-removing machinery to the bagasse is guaranteed; the monitoring system is mounted, so that the operation staff can know the conveying state of the bagasse and the workings tate of the boiling type pith-removing machinery.

The invention discloses a method for electrolyzing out an aluminum two-man ladle through baking. The method comprises the steps that a two-man ladle is lifted to a two-man ladle frame through a crown block at first, and cooled carbon residues are poured into the two-man ladle for bedding; a newly swap-out anode scrap is lifted into the two-man ladle through the crown block after being placed and cooled to be 200 DEG C and is covered with a two-man ladle cover plate, and the situation is kept for 90+/-30mins; the two-man ladle cover plate is opened at last, the other newly swap-out anode scrap is lifted into the two-man ladle through the crown block after being placed and cooled to be 400+/-50 DEG C and is covered with the two-man ladle cover plate, and baking at 500 DEG C is conducted for 24+/-1 hours. According to the method for electrolyzing out the aluminum two-man ladle through baking, the existing high temperature conditions of an electrolytic plant are utilized, an electrolytic bath is used for swapping out preheating of the anode scraps to bake the ladle, high efficiency and low consumption are achieved, work load of workers for gathering fuel is greatly reduced, and the environment-friendly and safe operation is really achieved.

The invention provides a modified polyurethane carrier and a preparation method thereof, and aims to solve the technical problems of small specific surface area, poor adsorbability, poor toxicity impact resistance, poor fluidization property after biofilm formation and the like of the existing suspension carrier. The preparation method of the modified polyurethane carrier is characterized by comprising the following steps: S1, preparation of a coating modification liquid: mixing the following raw materials in parts by weight: 30 to 50 parts of powdered activated carbon, 3.0 to 8.0 parts of hollow glass micro-beads, 0.5 to 1.5 parts of riboflavin, 0.5 to 2.0 parts of L-cysteine, 1.0 to 3.0 parts of reduced iron powder, 1 to 4 parts of sodium carboxymethyl cellulose, 200 to 450 parts of water, 0.5 to 2.0 parts of an organic silicon wetting agent, and 8 to 20 parts of acrylic emulsion. and S2, preparation of a modified polyurethane carrier: infiltrating the outer surface and the inner hole surface of porous polyurethane foam with the coating modification liquid, and curing to obtain the modified polyurethane carrier.

A three-section honing material-pressing sleeve for an automotive piston ring mainly consists of a positioning check ring (1), a transition boss (2), a first-section bell mouth (6), a second-section bell mouth (4), a third-section pressing-in opening (3), a process slot (5) and a material-pressing sleeve body (10); the interior of the material-pressing sleeve is made into three sections, so that the charging difficulty of operating personnel is greatly reduced; the transition boss (2) is manufactured at the bottom part of the material-pressing sleeve and is flush with a cylinder sleeve opening to play a part of transition; meanwhile, the process slot (5) is processed at a proper position of an excircle surface of the material-pressing sleeve, and thus not only is the weight of the material-pressing sleeve reduced but also the operation is convenient, therefore production efficiency is increased, and the goal that benefit of an enterprise is increased is achieved.

The invention discloses a preparation method of a trapezoidal sectional type hollowed-out low-yield solder strip and a photovoltaic module thereof. The method comprises the following steps: (1) according to the broken grid, positive/negative width and length and model of grid lines of a battery piece, determining the trapezoidal and hollow-out conical sizes, including the hollow-out conical degree, the bottom width, the top width and the total thickness, of a solder strip; (2) determining the optimal hollowed-out conical degree by using the hollowed-out distance of the solder strip as two holes per broken grid and the hollowed-out conical degree as 30 degrees, 45 degrees and 60 degrees respectively for orthogonal experiment evaluation test; (3) sequentially carrying out roller calendering,trapezoidal grinding tool wire drawing and taper hole treatment, by an perforating machine, on the solder strip with the size determined according to the step (1) and the step (2) to obtain a trapezoidal solder strip; and (4) annealing and tin-plating the trapezoidal solder strip obtained in the step (3). The method has the beneficial effects that the yield limit bottleneck of other solder stripsis broken through, the yield is reduced, and subfissure of the photovoltaic module is reduced.

The invention discloses a technology for sowing and cultivating broom corn millet before winter. The technology includes the steps of preparing before sowing, selecting land, selecting flat land which is deep in soil layer, fertile in soil texture, strong in water and fertilizer retention capability and good in drainage and ventilation, selecting wheat stubble without using high-residual pesticide and corn stubble and potato stubble which are good in cultivation condition as previous stubbles, and avoiding continuous cropping and alternate cropping; selecting varieties and treating seeds; sowing the seeds; conducting field management; controlling diseases, pests and birds; and in the jointing and booting stage of the broom corn millet, spraying 40-50 kg/mu of a 0.2%-0.3% monopotassium phosphate aqueous solution on leaf surfaces of plants in sunny days, and the situation that the broom corn millet can absorb and utilize the solution as soon as possible is guaranteed. According to the technology for sowing and cultivating the broom corn millet before winter, the major problems that sowing in spring is dry and less in rain, the emergence rate is low, late-maturing varieties cannot be mature and the like can be effectively solved, meanwhile, the yield and quality of the broom corn millet can be improved, diversified development of the broom corn millet is enhanced, and the income of farmers is effectively guaranteed.

The invention relates to the technical field of pesticide adjuvants, in particular to a fluorine-containing pesticide synergist as well as a preparation method and application thereof. According to the fluorine-containing pesticide synergist provided by the invention, the effective components of the synergist comprise perfluorononenoxy benzene sulfonate, isomeric alcohol polyoxyethylene polyoxypropylene ether and methyl oleate. After the perfluorononenoxy benzene sulfonate, the isomeric alcohol polyoxyethylene polyoxypropylene ether and the methyl oleate are compounded, an obvious synergistic effect is achieved, and the effect that the surface tension is remarkably reduced while the dosage of a medicament is reduced can be achieved; meanwhile, the effects of reducing pesticide residues, delaying formation of pesticide resistance of pests and reducing the cost are also achieved.

The invention belongs to the technical field of glass deep processing, and discloses a molecular sieve spacing bar, a manufacturing method and equipment. A molecular sieve in the molecular sieve spacing bar is bonded into a strip-shaped object through an adhesive; the outer surface of the molecular sieve is wrapped with a layer of adhesive, and the spacing bar which takes the molecular sieve as a supporting framework and has a certain porosity is formed through mutual bonding of the adhesive; and the spacing bar is directly bonded on glass in an online manufacturing and online placing mode to form a spacing frame. According to the molecular sieve spacing bar, the moisture absorption function is added to the spacing bar, the supporting function is added to the molecular sieve, the molecular sieve and the spacing bar are combined into a whole, the existing molecular sieve filling process is omitted, and therefore the production cost is reduced; various additives can be added into the spacing bar, and various functional strips can be compounded, so that the performance of the spacing bar is improved; and the cost of the spacing bar is not higher than that of an existing lowest aluminum alloy strip, and the performance of the spacing bar is not lower than that of an existing highest-end TPS strip and TSS strip.