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57results about How to "Reasonable investment" patented technology

Energy-saving inter-section high low temperature gradient alcohol-division two-stage alcohol generation method and energy-saving inter-section high low temperature gradient alcohol-division two-stage alcohol generation device

The invention discloses an inter-section high low temperature gradient alcohol-division two-stage alcohol generation method which comprises the following steps: respectively reheating fresh synthesis gas and recycle gas, mixing the fresh synthesis gas with the recycle gas, introducing the mixed gas into a first reactor, and enabling part of carbon oxides to react to obtain methyl alcohol; cooling a mixture containing synthesis gas and methyl alcohol steam output from the first reactor, guiding the mixture to flow to a first methyl alcohol separator, separating out methyl alcohol, pressurizing the separated gas, preheating, then introducing into a second reactor, and enabling part of carbon oxides to react to obtain methyl alcohol; cooling a mixture containing synthesis gas and methyl alcohol steam output from the second reactor, guiding the mixture to flow to a second methyl alcohol separator, separating out methyl alcohol, preheating the separated gas which separately serves as the recycle gas and fresh synthesis gas, mixing the recycle gas and the fresh synthesis gas, and feeding the mixture into the first reactor so as to perform next round of circulating preparation of methyl alcohol. The invention further discloses an inter-section high low temperature gradient alcohol-division two-stage alcohol generation device. The method is relatively high in single-pass alcohol net value and relatively small in circulation ratio, achieves a ton-alcohol steam yield as high as 1.2-1.3 ton, and is high in energy heat recovery amount.
Owner:NANJING GOODCHINA CHEM TECH

High pure white carbon black produced by utilizing industrial silicon byproduct silica fume and production method of high pure white carbon black

The invention discloses high pure white carbon black produced by utilizing industrial silicon byproduct silica fume and a production method of the high pure white carbon black. The method comprises the concrete steps of roasting the silica fume to remove organic impurities such as coal tar, reacting with caustic soda liquid to obtain a water glass mother liquor, and filtering to obtain high-pure water glass; adding a sulfuric acid impurity removal agent into sulfuric acid, reacting for precipitating metal and heavy metal in the sulfuric acid, and filtering to obtain refined sulfuric acid; adding water into the high-pure water glass so as to prepare into an alkaline base solution, enabling the water glass and the sulfuric acid to parallelly flow into the base solution, and reacting to obtain suspension slurry; filtering, washing, pulping and drying the suspension slurry to obtain the high pure white carbon black. According to the high pure white carbon black produced by utilizing industrial silicon byproduct silica fume and the production method thereof provided by the invention, the high pure white carbon black is produced by adopting the industrial solid waste silica fume as a silicon source, so that the solid waste is recycled, and the process is simple and reasonable and low-cost, and has better economic and social benefits.
Owner:CHANGJI JISHENG NEW BUILDING MATERIALS CO LTD

Real time remote optical fiber meter reading system

The invention discloses a real time remote optical fiber meter reading system which is designed in modularization, flexibly matched and compatible with existing topologic structures, has the characteristics of high utilization rate of a communication channel, rational communication system investment, reduction of repeat constructions, relatively simple arrangement of wires, wide cover area and the like; the system has no subsequent operating cost, is low maintaining cost, and is capable of adapting to the existing remote meter reading wiring structure so far furthest, so as to fundamentally eliminate the problems of insufficient bandwidth caused by lower bandwidth, bad instantaneity and the like. The meter reading system disclosed by the invention comprises a power utilization information intelligent communication terminal module and a power utilization information intelligent photoelectric module, wherein the power utilization information intelligent communication terminal module at the near end sends a command through an optical fiber to control the power utilization information intelligent photoelectric module at the far end to collect data; the collected data are transmitted back to the power utilization information intelligent communication terminal module through the optical fiber, so as to be processed and finally uploaded to a client use end. The real time remote optical fiber meter reading system disclosed by the invention is applicable to the area of meter reading of power utilization information.
Owner:珠海市康定电子股份有限公司

Equipment and process for preparing polymer water source by katalysis deactivation of oilfield sewage

The invention provides equipment and a technique for preparing confecting polymer water sources by catalyzing wastewater in oil fields for deactivation. The equipment consists of a walnut shell filter, in which cobbles and walnut shell fillings are filled, a TCLW filter, in which fibrous bundles are filled, an iron removing tank, in which manganese sand and quartz sand fillings are filled, a catalyzing reaction tank, the structure of which is a maze and in which a catalyzer MnO2-ZnO-CeO2/Al2O3 is filled, connecting pipelines and valves between the walnut shell filter, the TCLW filter, the iron removing tank and the catalyzing reaction tank. The lower part outlet of the walnut shell filter is connected with the lower part inlet of the TCLW filter through a pipeline, the upper outlet of the TCLW filter is connected with the top inlet of the iron removing tank through a pipeline and the bottom outlet of the TCLW filter is connected with the top inlet of the catalyzing reaction tank. The technique has stable and safe operation, simple operation, convenient management, reasonable investment, being economic and high efficient, and complies with environmental protection requirements. After catalysis and deactivation, the viscosity of wastewater confecting polymer solution is improve by over 100 percent and the rate of utilization of wastewater confecting polymer is up to 100 percent.
Owner:PETROCHINA CO LTD

Converter station reactive power optimization method considering main transformer low-voltage side reactive power compensation device

The invention discloses a converter station reactive power optimization method considering a main transformer low-voltage side reactive power compensation device, and the method comprises the steps: adding a low capacitor and a low reactor into an option of a reactive power equipment switching strategy, and obtaining a reactive power balance calculation method under the method; optimizing a reactive exchange capacity interval between the converter station and the alternating current system; formulating a strategy of automatically switching reactive power compensation equipment considering a Qcontrol function of low capacitance and low reactance, and modifying control logic in a direct current station control system; realizing the automatic switching of the reactive power compensation device by the Qcontrol function; and when necessary, manually switching low capacity and low reactance for voltage regulation. According to the invention, reactive compensation capabilities of reactive compensation devices with low capacitance, low reactance and the like are utilized in reactive adjustment of the high-voltage direct current system, the reactive adjustment gradient is reduced, and meanwhile, by adjusting the reactive exchange capacity interval of the converter station and the alternating current system, the input group number of alternating current filters is reduced, the resource configuration is optimized, and the voltage control capability is improved.
Owner:中国南方电网有限责任公司超高压输电公司柳州局

Clean and efficient gradient screening internal thermal fluidized bed coal moisture control process

InactiveCN105733635AWide adaptability to humidityReliable operation regulationCoke ovensScreening proceduresHeat carrier
The invention discloses a clean and efficient gradient screening internal thermal fluidized bed coal moisture control process.An internal thermal fluidized bed dryer serves as a main device; in the coal moisture control procedure, a coal particle diameter gradient screening procedure, a selective smashing procedure and a coal fly ash recovering and pelleting procedure are included; step-by-step screening of coal particle diameters is realized in the mode of mechanical screening through a low-temperature variable speed fluidized bed, orderly control over coal particle smashing and drying and coal dust is ensured, repeated processing of coal materials is reduced, and energy is reasonably input in the technological process.Air with strong moisture carrying capacity and high-temperature hot water with high thermal capacity are selected as a fluidizing medium and a heat transfer medium respectively according to the physical properties of the air and the high-temperature hot water.Compared with a traditional fluidized bed coal moisture control process, the functions of a heat carrier, a moisture carrier and the fluidizing medium in the coal moisture control process are separated, flexible control and precise processing can be achieved in terms of control and regulation, and the process is particularly suitable for moisture control over dryness of high-humidity coal materials.
Owner:WUXI YIEN TECH

Method and apparatus for measuring and calculating energy utilization efficiency of data center

The present invention provides a method and device for measuring and calculating the energy utilization efficiency of a data center. The method includes: obtaining the total income of the data center computer room, the energy consumption of the data center computer room, and the scale information of the data center computer room; according to the total income of the data center computer room, the According to the energy consumption of the data center computer room and the scale information of the data center computer room, the scale benefit of the data center computer room is calculated to adjust the resources of the data center computer room according to the scale benefit of the data center computer room, wherein the scale benefit of the data center computer room=(the data center Total income of the computer room - energy consumption of the computer room of the data center)/scale of the computer room of the data center. The present invention comprehensively considers the influence of factors such as energy consumption costs, business income, and computer room scale on energy consumption benefits, improves the accuracy of energy consumption benefit calculation of data center computer rooms, and helps operators find inefficient and loss-making computer rooms and take rectification measures in a timely manner. Improve the economic benefits of the data center computer room.
Owner:GUANGDONG ESHORE TECH

Anhydrous sodium sulfate production equipment

The invention provides anhydrous sodium sulfate production equipment which comprises a nitrate dissolving tank, a feed pump, a first heat exchanger, a circulating pump, a second heat exchanger, a condensate pump, a centrifugal machine, a DTB evaporation crystallizer, an MVR (Mechanical Vapor Recompression) compressor and a steam supplementing pipeline. According to the anhydrous sodium sulfate production equipment disclosed by the invention, the nitrate dissolving energy consumption is reduced by utilizing heat of the feed liquid discharged by the DTB evaporation crystallizer and the mother liquor discharged by the centrifugal machine, the anhydrous sodium sulfate production equipment is simple in technical process, compact in equipment arrangement and reasonable in energy utilization, andmultiple advantages of saving investment, shortening the process flow, reducing the cost, comprehensively utilizing resources, protecting the environment and the like are fully achieved; moreover, the anhydrous sodium sulfate production equipment has the advantages that the product liquidity is excellent, the stock bin is difficult to block, the stored material is difficult to agglomerate, the drying energy consumption is reduced, the dust pollution is reduced, the product cost is low.
Owner:ENG TECH INST CO LTD OF CNSIC

High-clearance double-shaft wheel tractor

The invention provides a high-clearance double-shaft wheel tractor which fills the blank that no applicable mechanisms are provided for later field management of dry crops. The high-clearance double-shaft wheel tractor can perform a plurality of middle and later working processes in a dry land, such as fertilizing and chemicals spraying, and has the characteristics of being high in mechanical efficiency, low in cost, advanced, applicable, practical, and high in social benefit and economic benefit. The high-clearance double-shaft wheel tractor is featured in the proposing of a high-clearance concept, the breakthroughs in technology of the tractor, as well as the core technologies of front and rear axis assemblies. The high-clearance double-shaft wheel tractor is characterized by comprising a (1) front wheel, a (2) front wheel shaft, a (3) front heightening upright arm, a (4) main rack, a (5) fixing connecting arm, a (6) chain wheel, a (7) rear heightening upright arm, a (8) brake assembly, a (9) rear wheel, a (10) lower chain wheel, a (11) driven shaft, a (12) chain, a (13) power driving shaft, a (14) gear box, a (15) front shaft and a (16) semi-axis outer sleeve. The high-clearance double-shaft wheel tractor has the features that the labor and material input can be decreased, and a management method is optimized; the efficiency of the materials and mechanisms can be improved, and the crop quality can be improved; the income is increased while the input is decreased; the pollution of an existing mode on the soil and underwater can be greatly reduced; extremely high social benefit and economic benefit are brought.
Owner:郝忠双

Treatment method and device for stainless steel electrolytic polishing wastewater

The invention discloses a treatment method and device for stainless steel electrolytic polishing wastewater. The method comprises the following steps: detecting the pH value of the wastewater, performing classification according to different pH values, and putting the classified wastewater into different coagulation sedimentation systems; selecting an acidic sedimentation device + an alkaline coagulation sedimentation device for the electrolytic wastewater with original wastewater water quality acidity pH of < 0.8; selecting a two-stage alkaline coagulation sedimentation device for the electrolytic wastewater with original wastewater water quality acidity pH of > 1.2; and performing solid-liquid separation in the coagulation sedimentation system, performing advanced treatment on the treated wastewater by using an reverse osmosis (RO) system, and performing discharge or performing recycling. The treatment method and device for the stainless steel electrolytic polishing wastewater provided by the invention have scientific and reasonable design, effectively treat the stainless steel electrolytic polishing wastewater, realizes recycling, rationally select the combined process and a coagulating agent according to different wastewater characteristics, emission limit values and resource requirements, and achieve a plurality of targets such as reasonable investment, simple and convenient management, high environmental benefits and low costs.
Owner:广州长晟环保有限公司

Split type crushing mechanism with rocker arm power

The invention relates to a split type crushing mechanism with rocker arm power. The split type crushing mechanism comprises a support, a connecting seat, a crushing tooth assembly and a mining machine rocker arm, wherein the support comprises a base, a front supporting plate and a rear supporting plate; the base and the connecting seat are fixed on the rocker arm; the crushing tooth assembly comprises a rotating shaft, a plurality of shaft sleeves and crushing teeth; the shaft sleeves sleeve the rotating shaft side by side; the crushing teeth are arranged on the shaft sleeves; the front part and the rear part of the rotating shaft are respectively supported on the front supporting plate and the rear supporting plate in a rotating manner; the front end of the rotating shaft penetrates through the front supporting plate and is positioned in an inner cavity of the connecting seat; the rear end of a transmission gear in the rocker arm extends out of the rocker arm and is positioned in the inner cavity of the connecting seat; the rear end of the transmission gear is in transmission connection with the front end of the rotating shaft through a transmission system; the front supporting plate and the rear supporting plate can be arranged at different positions of the base; and the connecting seat can also be arranged at different positions of the rocker arm. The split type crushing mechanism can be used for a mining machine for mining a thin ore bed or a high-grade thin ore bed, and rocks are effectively crushed, so that the rocks can smoothly pass through the lower part of the mining machine rocker arm, and accumulation is avoided.
Owner:SHANGHAI TIANDI MINING EQUIP TECH CO LTD +2

Device for coking coal stage drying step humidify regulating process

The invention discloses a device for a coking coal stage drying step humidify regulating process. The device comprises a first-stage humidify regulating process loop and a second-stage humidify regulating process loop, wherein the first-stage humidify regulating process loop comprises a first-stage fluidization air chamber (19), an air preheater (14) and a first fluidization fan (20), wherein no coiled pipe heating module is arranged in the first-stage fluidization air chamber (19), and a layer of bed materials with the thickness being 500 to 600mm is arranged at the bottom; the second-stage humidify regulating process loop comprises a second-stage fluidization air chamber (6) and a second fluidization fan (10); the second-stage fluidization air chamber (6) mainly consists of a plurality of humidify regulating modules; a coiled pipe heater is arranged in each humidify regulating module. The device has the advantages that the stage drying step humidify regulation is realized through two stages of humidify regulating process loops, so that the device has wide coal humidify applicability; the coal dust generation and elutriation can be orderly controlled; energy can be fed in a step way according to the technological process; the system operation regulation is reliable and flexible; the energy saving performance is high.
Owner:WUXI YIEN TECH

Voltage reactive automatic control system channel switching method

ActiveCN104065078AVoltage Stability and SafetyThe main grid voltage is stableAc network voltage adjustmentReactive power compensationAutomatic controlControl system
The invention discloses a voltage reactive automatic control system channel switching method. The method comprises the system normal operation stage, the scanning period running stage, the stage for judging whether a first exit condition is satisfied, the stage for judging whether a second exit condition is satisfied, the channel abnormal condition processing stage, the scanning period joint debugging recovery stage, the stage for judging whether the channels are recovered, the municipal dispatching joint debugging setting recovery stage, the stage for a substation to be input into municipal dispatching joint debugging, etc. According to the invention, automatic closed-loop control and real-time adjustment can be realized, the voltage stability and safe operation of the grid can be ensured; the misoperation caused by unreasonable manual adjustment and artificial omissions can be avoided; the gate reactive change can be adjusted on a real-time basis and tracked timely, the main grid voltage can be effectively supported, and the main grid voltage stability can be facilitated; and the control has the advantage of foreseeability, the time of unnecessary equipment actions can be reduced, and misoperation or frequent adjustment can be avoided.
Owner:STATE GRID CORP OF CHINA +1

Crushing tooth assembly and crusher

The invention discloses a crushing tooth assembly and a crusher. The crushing tooth assembly comprises a connecting shaft and a plurality of crushing tooth sets, each crushing tooth set comprises a shaft sleeve and a plurality of crushing teeth fixed to the periphery of the shaft sleeve, and the multiple crushing tooth sets are arranged side by side in a sleeving mode and fixed to the connecting shaft in the circumferential direction. The crusher comprises a mining machine rocker arm, a fixing base, a swinging arm and a crushing tooth assembly, wherein the fixing base is fixed to the rocker arm, a tubular structure extending front and back is arranged at one end of the swinging arm and hinged to the fixing base, the front end and the rear end of a rotating shaft are rotationally supported at the front end and the rear end of an inner cavity of the tubular structure respectively, the front end and the rear end of the connecting shaft are rotationally supported on a front arm frame and a rear arm frame at the other end of the swing arm respectively, and the front portion of the rotating shaft is in transmission connection with the front portion of the connecting shaft through a transmission system located in an inner cavity of the front arm frame. The crushing teeth can be partially replaced, so that the use cost can be reduced, and the crusher is compact in structure and can be used for an alumina mining machine for exploiting a thin ore bed.
Owner:SHANGHAI TIANDI MINING EQUIP TECH CO LTD +2
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