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109 results about "Terminal stage" patented technology

Device and method for pressure regulation of coke oven carbonization chamber

ActiveCN106147803AEasy to implementDoes not take up circulation spaceCoke oven safety devicesControl systemCarbonization
The invention relates to a device and method for pressure regulation of a coke oven carbonization chamber. The regulation device comprises a water-sealed valve and a throttle. The throttle is composed of a casing, an overturning plate, an overflow channel and a rotating shaft. The casing is fixed between an axle tube and a water-sealed valve body. The overturning plate is installed in the casing through the rotating shaft, the rotating shaft is driven by an execution mechanism and can drive the overturning plate to rotate; and the overflow channel is arranged at the bottom of the overturning plate to be used for forming an ammonia water water seal and performing overflow of ammonia water. The axle tube is provided with a pressure measurement device. The pressure measurement device and the execution mechanism are connected with a control system. The structural form of combining the throttle and the water-sealed valve is adopted, the throttle overturning plate is utilized to regulate pressure of the carbonization chamber, the water seal of the water-sealed valve is utilized to cut off raw gas during coke pushing, finally the goals that smoke is prevented from escaping during coal charging into a coke oven and during a coking period, negative pressure of the carbonization chamber during a coking terminal stage is avoided and air is prevented from leaking into the carbonization chamber to damage coke by fire and damage an oven body are achieved. The device is simple in structure, easy to implement and particularly suitable for modification of an existing coke oven gas gathering system.
Owner:ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC

Method for judging health degree of batteries

The invention provides a method for judging the health degree of batteries. The method includes the first step of obtaining the voltage of battery cells in a battery pack at the terminal stage of charging in an online real-time mode; the second step of calculating the serial numbers of the first group of battery cells with the highest voltage in an online real-time mode and storing the serial numbers; the third step of calculating the serial numbers of the second group of battery cells with the lowest voltage at the current in an online real-time mode when the voltage of certain battery cells is smaller than a voltage threshold value at the terminal stage of discharging; the fourth step of comparing the stored serial numbers of the first group of battery cells and the serial numbers of the second group of battery cells, and determining the battery cells with the same serial numbers in the serial numbers of the first group of battery cells and the serial numbers of the second group of battery cells to be the battery cells with the smallest capacity relative to other battery cells. According to the method, the online dynamic judging of the health degree of the batteries when a vehicle runs can be achieved, early warning can be carried out when the health degree of the batteries is too low, the overuse of the batteries is avoided, and the batteries can be used safely and reliably.
Owner:HUNAN CSR TIMES ELECTRIC VEHICLE

High-concentration carbon monoxide controllable semi-isothermy conversion process for carbonyl synthesis

ActiveCN110550602AAddress reactivitySolve the problem of difficult temperature controlHydrogenEnergy inputHigh concentrationHigh carbon
The invention relates to a high-concentration carbon monoxide controllable semi-isothermy conversion process for carbonyl synthesis. The application range is wide, and raw materials with the volume content of a carbon monoxide dry basis being 30-90% and with the volume ratio of water/extra-dry gas being 0.1-1.6 are adopted; the technological process is short, the number of equipment is small, control is easy, and the investment and operation costs are low; by arranging a controllable semi-isothermy saturated steam generation system with a control valve, the temperature of shift gas can be quickly and effectively adjusted, the steam generating pressure is not affected, the problems that a gas conversion reaction of the raw materials with the high carbon monoxide content is prone to overtemperature and difficult temperature control are solved, the grade of byproduct saturated steam is increased to the largest extent, and the yield of low-pressure saturated steam with low utilization value is decreased; high-pressure saturated steam can be overheated, arranging of an external overheating furnace or heat combination with other devices is not needed, and thus the investment and operation difficulty is lowered; and as for the working condition that the temperature needs to be increased at the terminal stage of a catalyst, only the opening degree of the control valve needs to be appropriately adjusted, and thus operation is convenient.
Owner:SINOPEC NINGBO ENG +2

Current loading method used during pulse current auxiliary precision blanking machining

Currents act on metal, and an electric heating effect and electrically induced plasticity are achieved, wherein a high-frequency pulse current effect has the capacity of healing metal plastic strain damage. Electrically induced plasticity and electric heating softening effects are introduced into the precision blanking technology, and the precision blanking difficulty of high-strength steel platesis reduced. Metal materials are heated to expand through the electric heating effect, the defect that in the blanking medium-terminal stage, hydrostatic pressure stress of shear zones of the metal materials is reduced rapidly is relieved, and the capacity of restraining production-extension of holes of the shear zones is improved. By means of a good-time and proper pulse current acting manner anda loading method, current energy is intensively injected in good time at high density aiming at local zones, where the holes and micro-cracks are easily generated in the blanking process, of the shear zones, strain damage is repaired, the situation that the micro-cracks are further developed into macro-cracks, and a rough tear zone on a precision blanking section is finally formed is avoided, anda higher possibility is provided for enabling precision blanking to be more widely applied to high-strength type materials.
Owner:AIR FORCE UNIV PLA +1

Round koji making process utilizing soybean and flour as raw materials

ActiveCN104799248ASolve compactionLow bacteria countFood preparationYeastCircular disc
The invention discloses a round koji making process utilizing soybean and flour as raw materials. The process comprises the following steps of 1) soaking the soybean; 2) steaming; 3) cooling; 4); inoculating and mixing the flour, namely inoculating koji extract into the cooled ripe soybean, adding the flour and mixing the raw materials to obtain a mixture; 5) feeding, namely inputting the mixture into a koji chamber of a round koji maker; 6), cultivating yeast for making hard liquor, namely cultivating the mixture in the koji chamber of the round koji maker, specifically including the steps of earlier-stage cultivation, primary koji turning after the earlier-stage cultivation, middle-stage cultivation, secondary koji turning after the middle-stage cultivation, later-stage cultivation, tertiary koji turning after the later-stage cultivation, and terminal-stage cultivation in sequence; 7) discharging koji, namely after cultivation of the yeast for making the hard liquor is finished, pumping the yeast for making hard liquor, which is mixed with saline, into an airing tank. The process can be used for solving the problem of hardening during a cultivation process of the yeast for making the hard liquor, improving the quality of the yeast for making the hard liquor and lowering the labor cost; furthermore, the yeast for making the hard liquor, prepared by the process, has the characteristics of less quantity of infectious microbes and high enzyme activity.
Owner:GUANGDONG CHUBANG FOOD

Balance failure recovery method for electric vehicle power source capable of being charged and discharged in fixed capacity mode

The invention relates to a balance failure recovery method for an electric vehicle power source capable of being charged and discharged in a fixed capacity mode. The technical problems that when balancing effects of existing voltage balance modes are influenced by contact internal resistance and the dropout voltage is not high, the electric current for charging and discharging is low, and balancing needs to be conducted for a long time are solved. The balance failure recovery method comprises the steps that (1) the charging cut-off voltage and the discharging cut-off voltage of all batteries are determined; (2) the rated charging and discharging cut-off voltage difference values are set, and the charging capacity and the discharging capacity of each battery are obtained; (3) the expected undercharged capacity, the expected residual discharging capacity, the expected charging cut-off voltage and the expected discharging cut-off voltage of each battery are obtained through charging and discharging curve piecewise linear fitting; and (4) each battery is charged and discharged in a fixed capacity mode, and failure recovery of the to-be-balanced power source is achieved. According to the balance failure recovery method, the batteries are externally charged or discharged in the fixed capacity mode and do not influenced by the contact internal resistance through the certain function relationship between the battery voltage and the battery capacitance in the charging terminal stage and the discharging terminal stage, the balanced current is high, and the time required by balancing is short.
Owner:天津力神新能源科技有限公司

Method for preparing nano nickel by taking nano spherical polyelectrolyte brush as reactor and application of nano nickel

The invention discloses a method for preparing nano nickel by taking a nano spherical polyelectrolyte brush as a microreactor and an application of the nano nickel. The method comprises the following steps of: preparing polymer microspheres with the particle size of 80-140nm by adopting emulsion polymerization initiated by an oxidation-reduction system; adding a photoinitiator in the terminal stage of the emulsion polymerization, coating the photoinitiator on the surfaces of the polymer microspheres to form a photoinitiator layer, then utilizing an ultraviolet lamp to initiate polyelectrolytemonomers to be polymerized so as to obtain a spherical electrolyte brush with the particle size of 10-400nm; then adding sodium hydroxide to dissociate carboxyl on an electrolyte chain; treating the dissociated spherical polyelectrolyte brush by use of a nickel chloride aqueous solution, thus nickel ions exchange sodium ions and enters into the polyelectrolyte brush; and adding sodium borohydrideto reduce the nickel ions into nano nickel in situ, thus finally obtaining controllable nano nickel which are uniformly distributed inside the nano spherical polyelectrolyte brush and have the particle size of 1-14nm. The nano nickel loaded on the spherical polyelectrolyte brush is an ideal efficient nano catalyst.
Owner:EAST CHINA UNIV OF SCI & TECH
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