4671results about How to "Less quantity" patented technology

A method and apparatus for in-sewer wastewater treatment comprising steps of largely spontaneously growing acidogenic bacteria in sewer lines and providing methanogenic bacteria in these lines. Methanogenic bacteria can be grown using wastewater, solid, or other waste, or other organic feedstock as a substrate. Methanogenic bacteria can be cultivated at a wastewater treatment plant or at other locations in special reactors, or provided from anaerobic wastewater pretreatment plants. Digestion gases can be either vented out or collected and used.

This invention discloses one display method, which divides the relative original grey values into higher and lower grey values and divides the secondary pixel area into two sets in same color suitable for high and low second grey values; each set displayed grey values are computed from itself pixel and near higher grey value or lower grey value through different weigh proportion to solve the problem if different vision angles.

A method of manufacturing a cylindrical high voltage supercapacitor. An anode and a cathode are provided. At least one bipolar electrode is interposed between the anode and the cathode, and a separator is intervened in each pair of the above electrodes. The anode, the cathode, the bipolar electrode and the separator, as placed in the above order, are wound concentrically into a roll, so as to form the cylindrical high voltage supercapacitor.

The invention discloses a wastewater evaporation concentration process and a wastewater evaporation concentration device system. The process comprises the following steps of: delivering softened wastewater to be treated to a mechanical vapor recompression (MVR) system to perform evaporation and concentration, compressing the generated secondary steam and then delivering the compressed steam to an evaporator to recycle, delivering the concentrate to a triple-effect mixed flow forced circulating evaporation crystallization system to perform evaporation and crystallization, performing solid-liquid centrifugal separation on the crystallized concentrate and crystal grains, returning the separated mother solution to a stock solution tank or continuously performing evaporation and crystallization, and reclaiming the separated crystal, wherein the secondary steam generated by evaporation and crystallization is recycled for the evaporation crystallization system. After the wastewater is evaporated and concentrated by adopting the process of mechanical vapor recompression circulating evaporation and triple-effect mixed flow forced circulating evaporation crystallization, the wastewater does not need to be discharged to the ground water area, and the wastewater is discharged in a form of steam or closed and embedded in a form of sludge or the like, so the purpose of zero discharge of the wastewater can be fulfilled; and the process system has high heat efficiency, low energy consumption, energy conservation, great reduction in running cost, low temperature difference, low corrosion, difficult scale formation and long equipment service life.

The invention discloses a compressed air energy storage system, which comprises a compressor unit, a pre-expansion device, a turbine expansion machine, an intermediate cooler, an electric motor, a power generator, a hot water storage tank and a cold water storage tank, wherein the system utilizes electric energy which is not used up in the user electricity consumption valley period or wind power station power generation peak period for driving the compressor unit to work, the air at the normal pressure is compressed to high pressure, in addition, the part of air with rich pressure energy is stored into a high-pressure-resistance hole, in addition, the stored high-pressure air is released in the user electric consumption peak period or the wind power field generation valley period, an expansion unit is pushed to apply work, and the electric energy is output. The air pre-expansion device is additionally arranged at an outlet of an air storage chamber, so the air inlet pressure of the air turbine expansion machine is stable, the work stability of a power generation system is enhanced, low-temperature air at an outlet of the pre-expansion device is utilized for cooling hot water from the hot water storage tank, the temperature of the low-temperature air is raised through absorption of heat from the hot water, and the cooled water enters the cold water storage tank. The compressed air energy storage system is provided with the hot water storage tank and the cold water storage tank, the water is cyclically utilized in a closed loop, the water is not consumed, in addition, the heat discharged by the compressor is fully utilized and conveyed back to the high-pressure air at the outlet of the pre-expansion device. The high-pressure air at the outlet of the pre-expansion device is recovered through a heat recovering device (HRH).

The invention discloses a wastewater evaporating process and device system. The wastewater evaporating process comprises the following steps: the wastewater to be treated firstly enters a pretreatment softening system for softening treatment and secondly enters a mechanical vapor recompression (MVR) system for evaporation concentration; the generated secondary steam is compressed and enters an evaporator for recycling; the concentrated solution enters a triple effect flow-mixing forced circulation evaporation and crystallization system for evaporation and crystallization; the generated secondary steam is reused by the evaporation and crystallization system; the concentrated solution and crystalline grains obtained through crystallization are subject to solid-liquid centrifugal separation; the separated mother solution is sent back to a raw liquor tank or evaporated continuously for crystallization; and the separated crystals enter a centrifugal drying and packaging system for weighting and packaging. After the process disclosed by the invention is adopted to soften, evaporate and crystallize wastewater and dry and package the obtained crystals, wastewater is not discharged to the water bodies of the surface of earth and the aim of zero wastewater discharge can be realized; the process system is low-carbon and environmentally friendly; the material can be recycled, the thermal efficiency is high, the energy consumption is low, the energy can be saved, the operating cost can be greatly reduced, the range of temperature is small, the corrosion is low and the service life of the equipment is long, and the scaling has small possibility of occurrence.

The invention discloses a method for preparing a porous alumina ceramic support body by using a colloidal sol as an addition agent, which comprises the following steps: adopting a low cost method to prepare the colloidal sol; adding the colloidal sol into mixed dry powder on the basis of aluminum oxide aggregate; and performing the processes of pugging, molding, sintering and the like to obtain a multi-channel pipe type or honeycomb type porous alumina ceramic support body. The method uses the colloidal sol as a caking agent, a sintering addition agent, and a performance improver, and makes use of the caking property of the colloidal sol, thus the dosage of organic caking agent can be reduced remarkably to solve the problem of easy cracking of binder removal sintering; and with the fine particles of the colloidal sol as the sintering addition agent, the sintering temperature can be reduced, and the dissolvability of the particles are improved, thus the sintered product does not have glass phase through microscopic analysis. The prior preparation method adopting low melting point glass phase as the sintering addition agent is improved, and the acid resistance, the alkali resistance and the high temperature strength of the porous alumina ceramic support body are improved.

The invention provides a socialized homework evaluation and student learning process information recording system and method. The system comprises a mobile terminal, a computer and an answer sheet marked with specific divided symbols. An evaluation system operates in the computer, the evaluation system comprises an input module, a data processing and storing module, a data analysis and visualization module, an output module and an homework database. The socialized homework evaluation and student learning process information recording system and method are suitable for subject teaching in middle and primary schools, the pressure of homework evaluation of teachers can be lightened through collaborative homework evaluation of socialized members, meanwhile, the formative data in the learning process of students and the knowledge structure of the students can be accumulated, so that homework assigning and course recommendation are conducted more targeted, the quantity of homework is reduced, and homework efficiency is improved.

Soft, strong, and low dusting tissue paper webs useful in the manufacture of soft, absorbent sanitary products such as bath tissue, facial tissue, and absorbent towels are disclosed. The tissue papers copmrise fibers such as wood pulp and a non-cellulosic, water insoluble particulate filler such as kaolin clay and possess biased surface properties.

The present invention relates to a method for treating the sulfur-containing sewage. The industrial process of the invention is firstly adding sulfuric acid into the sulfur-containing sewage, adjusting pH value to 4-6, aerating with appropriate amount of air, facilitating the escaping of the H2S along with the air, and discharging the discharged water to the sewage treatment plant after adding alkali for neutralization. The aeration end gas containing H2S enters the incineration furnace or catalyzing burning reactor to generate SO2 and SO3, the SO2 and SO3 are absorbed by the absorption liquid to form a diluted acid. The generated diluted acid can be used back for adjusting pH to the sulfur-containing sewage, when the system operates normally basically no fresh sulfuric acid is added into the sulfur-containing sewage, the entire technique forms a closed system for treating the sulfur-containing sewage, the application range is broad and the cost is low.

The invention discloses a split-flow rectisol device, which comprises an absorption tower, a medium pressure flash tower, a reabsorber, a hot regenerating tower, a methanol water tower, a tail gas washing tower, a plurality of heat exchangers, pumps and a circulation compressor; and the upper section of the reabsorber is provided with a flash distillation section. The split-flow rectisol device is not provided with a CO2 product tower, and reduces the complexity of the flow and the investment on the premise of ensuring that CO2 product gas is qualified. The split-flow rectisol device is provided with a novel split-flow rectisol (acid gas removal) flow for absorption from a semi-lean methanol liquid feeding absorption tower on the upper section of the reabsorber, reduces the dosage of lean methanol of the absorption tower, further can reduce the energy consumption of the hot regenerating tower for hot regeneration, and saves the dosage of gas stripping nitrogen, consumption of steam, and low level cold quantity used when the lean methanol is cooled.

The present invention relates to a painting system having improved productivity achieved by optimizing the number and arrangement of robots in a painting booth. A painting system (1) in which a painting robot (6) and an opener robot (4) can pass each other without interference on a first travel guide rail (3) and a second travel guide rail (3). The first travel guide rail (3) is placed at a lower position than the second travel guide rail (3). The painting robot (6) is placed on the first travel guide rail (3), and the opener robot (4) is placed on the second travel guide rail (3).

The present invention relates to a synergistic herbicidal composition comprising N- [ [(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl] -2- [2-fluoro- 1 -(methoxymethylcarbony loxy)propyl] -3 -pyridine sulfonamide or N-[[(4,6-dimethoxy-2-pyrimidinyl)amino] carbonyl]-2-[2-fluoro-l-(hydroxy)propyl]-3-pyridine sulfonamide and other herbicidal active materials as active ingredient. The herbicidal composition of the present invention can increase the herbicidal efficacy against major weeds, and can reduce the use amount of active ingredients per unit area, due to the synergistic effect by mixing two herbicidal active ingredient having different physiological functions or different herbicidal activities.

The invention provides a simple, efficient and environment-friendly method for recovering valuable metals from a positive electrode material of a waste lithium ion battery; the method comprises the following steps of performing discharging of a salt solution; performing disassembling to separate a positive plate; performing smashing on the positive plate to separate a positive electrode material and an aluminum foil; performing mixed low-temperature roasting on the positive electrode material and a roasting agent ammonium sulfate and/or ammonium bisulfate; performing leaching on the roasted material and separating to obtain carbon and a lixivium; adding a precipitant into the lixivium, and regulating the pH value by using NH<3>-containing flue gas, performing deposition on other metals except Li, and carrying out solid-liquid separation; regulating the pH value of a filtrate by using the NH3-containing flue gas, adding ammonium carbonate or ammonium bicarbonate or pumping CO<2> gas, and carrying out lithium precipitation to obtain a lithium carbonate product. The preparation process is simple, the process conditions are mild, the time required by the process is short, a large amount of acid and alkali do not need to be consumed, and the cost is low; and in addition, recovery of the valuable metals and carbon from the positive electrode material can be effectively realized, themethod is green and environment-friendly, and a large amount of solid waste and wastewater cannot be generated.

The invention relates to an organic materials zymolysis complex bacillus agent in the field of zymolysis bacillus agent technology. It comprises: low temperature bacteria, Bacillus cereus, gliotoxin, pseudomonas, slim streptomycete, high temperature bacteria and high temperature actinomyces with the weight ration 4:2:1:1:3:2:2. The low temperature bacterium is enzyme yeast with the heat resisting temperature below 20 deg. The high temperature bacterium is enzyme yeast with the heat resisting temperature below 70 deg. The heat resisting temperature below 70 deg of the high temperature actinomyces bellows 70 deg.

The invention provides regenerated terylene filament, which has higher mechanical properties and is prepared by depolymerizing waste polyester with polyol as a solvent. The PET (Polyethyleneglycol Terephthalate) granules are depolymerized in a homogeneous state by optimizing the solvent, pressure, temperature, time, catalyst and parameter conditions as well as controlling the pressure and temperature, so as to improve the depolymerization reaction rate. A composite catalyst is adopted, thus the ratio of the solvent to waste polyester is strictly controlled, the polyol consumption is reduced, the process economy is improved, the generation of diethylene glycol is reduced, and the quality and spinnability of the regenerated polyester are improved. The depolymerization rate of the polyester and the mechanical properties of the regenerated terylene filament are improved by adding a third component, thus the mechanical properties of the prepared regenerated terylene filament achieve the properties of the conventional terylene filament. The preparation method is simple, economical and environmentally friendly and is suitable for industrial production.

A system (1) and a method for transmitting and presenting video data as well as a communications terminal (4) suitable therefor and a suitable video center (2), users being able to request and obtain video data from the video center (2) by means of communications terminals (4), in particular mobile communications terminals (4), over a telecommunications network (3), in particular a mobile radio network (3), picture signals corresponding to the received video data being projected upon the retina (51) of the user through a virtual retina display device (41) of the communications terminal (4), current eye positions of the user being determined in the communications terminal (4) and being transmitted to the video center (2), and the video center (2) comprising a video filter module which filters said video data, prior to their transmission, on the basis of received current eye positions such that outer image regions, corresponding to the video data, projected on the retina (51) outside the fovea (511) have a lesser resolution than the inner image areas, corresponding to the video data, projected on the fovea (511) of the retina (51), and the filtered video data accordingly contain a lesser quantity of data than the unfiltered video data.

The present invention provides a method for processing brine, which can use low-concentration brine such as seawater, etc. for manufacturing deionized water such as drinking water, industrial water, etc. and high-purity common salt that can be used for brine electrolysis. The salinity of compressed brine can be easily controlled to a degree equal with that of seawater, and furthermore the amount of custoff is little. The invention relates to a method for manufacturing deionized water, solid slat which can be used for brine electrolysis or high-concentration brine. The method is characterized in that the method uses a brine processor for processing the low-concentration brine. The brine processor comprises an electrodialysis device which uses univalent ion permselectivity cation exchange membrane and univalent ion permselectivity anion exchange membrane, an evaporating concentrating device and reverse osmosis membrane device.

The invention provides a bidirectional automatic variable-speed motor transmission device and belongs to the technical field of machines. The bidirectional automatic variable-speed motor transmission device solves the problem that an existing bidirectional automatic variable-speed motor transmission device is incompact in structure. The bidirectional automatic variable-speed motor transmission device comprises a shell, a main shaft and a rotary shaft, wherein both the main shaft and the rotary shaft are fixed in the shell in the axial direction. The main shaft is sleeved with a one-way device. The one-way device comprises an outer ring and an inner ring which is fixed to the main shaft. A gear is fixed to the main shaft in the axial direction. A connecting piece is fixed to the outer ring. A transmission piece is fixed to the main shaft in the circumferential direction. The rotary shaft drives the outer ring and the gear to rotate at the same time through a transmission mechanism. The transmission ratio of the rotary shaft to the outer ring is lager than that of the rotary shaft to the gear. When the rotary shaft rotates anticlockwise, the one-way device slips, and the connecting piece is in linkage with the transmission piece through a combining mechanism; when the rotary shaft rotates clockwise, the connecting piece and the transmission piece are separated from each other through a separating mechanism; when the rotary shaft rotates clockwise at a high speed, the gear is in linkage with the inner ring through a speed change mechanism. The bidirectional automatic variable-speed motor transmission device has the advantage of being compact in structure.