Patents
Literature

915results about How to "Low running cost" patented technology

Electronic commerce logistics system comprising irregular goods sorting system

The invention discloses an electronic commerce logistics system comprising an irregular goods sorting system. The electronic commerce logistics system comprises a logistics platform, an information processing platform, a payment platform and an electronic commerce platform, wherein the logistics platform, the information processing platform and the payment platform are connected with the electronic commerce platform and exchange data with the electronic commerce platform through internet. The logistics platform comprises a goods identity marking system, a goods delivering system, a goods warehousing system, a goods sorting system and a goods distributing system. A goods identity recognition unit consisting of a plurality of card readers and code readers is hung on a cross beam of a goods carrying roller of the goods sorting system through a cable or hanging rope. The plurality of card readers and the code readers are distributed in a reticular shape. The electronic commerce logistics system comprising the irregular goods sorting system has the advantages that: the cost is low, different types of goods and goods with irregular shapes can be sorted, the integration of information flow, capital flow and material flow is realized, the sorting efficiency is high, and the like.
Owner:安徽省一一通信息科技有限公司

Method and system for recycling crystallized salt resources in high-salt-content wastewater zero discharge

The invention discloses a method for recycling crystallized salt resources in high-salt-content wastewater zero discharge. Salt-containing wastewater is treated through one or more of a pretreatment system, a membrane concentration system, a nanofiltration membrane system and an evaporation crystallization system to obtain recycled water and solid salt. The invention further discloses a system for recycling crystallized salt resources in high-salt-content wastewater zero discharge. The system comprises the pretreatment system, the membrane concentration system, the nanofiltration membrane system and the evaporation crystallization system, wherein one or more of the systems is/are used for treatment; the evaporation crystallization system comprises one or more evaporation devices and one or more crystallization devices. The multiple evaporation devices are connected in parallel or in series or connected in a parallel connection and serial connection mixed mode, and the multiple crystallization devices are connected in parallel or in series or connected in a parallel connection and serial connection mixed mode. 15-25% of three-high wastewater treated by a traditional water treatment technology is further treated, the recovery rate of the wastewater reaches over 95%, meanwhile, salt is crystallized to be solid abraum salt, and then high-salt-content wastewater zero discharge is achieved.
Owner:JIANGSU SUNPOWER TECH

Middle-low-temperature flue gas desulfurization, dedusting and denitration and denitration catalyst thermal-desorption integrated device

The invention relates to a middle-low-temperature flue gas desulfurization, dedusting and denitration and denitration catalyst thermal-desorption integrated device. The integrated device comprises a desulfurization, dust-collection and purification section, an desorption, ammonia-spraying and mixing section and a denitration reaction section which are integrated in a tower body from bottom to top, wherein the desulfurization, dust-collection and purification section comprises an ash bin, a closed dust discharging valve, a flue gas inlet, an airflow uniform-distribution and flow-guiding plate, filter bags and a pulse-jet device; the desorption, ammonia-spraying and mixing section comprises an ammonia-spraying structural body, a thermal desorption gas conveying-jetting structural body and mixed flow-equalizing structural bodies; the denitration reaction section comprises a denitration catalyst and a purified flue gas outlet. Compared with the prior art, the integrated device has the beneficial effects that (1) the processes of desulfurization, dedusting and denitration of flue gas as well as the thermal desorption of the denitration catalyst are integrated; (2) the service life of the denitration catalyst is long; (3) the denitration efficiency is high; (4) ammonia gas and flue gas as well as high-temperature thermal desorption gas and flue gas are in full contact with each other; (5) the denitration catalyst can be regenerated through online thermal desorption; (6) a denitration catalyst dust-cleaning system can be omitted.
Owner:ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC

Multi-time-scale grid-source-load-storage coordinated control method

The invention discloses a multi-time-scale grid-source-load-storage coordinated control method comprising the following steps that (1) the adjustable resources existing in a power distribution network and the adjustment scope under different time scales are analyzed; (2) a day-ahead optimization model is established; (3) day-ahead optimization is performed on the distributed power supplies, energy storage and flexible load under the active power distribution network by using a particle swarm algorithm according to the day-ahead optimization model and day-ahead forecasting information so as to ensure the total operation cost to be minimal within the optimization period; (4) an intra-day optimization model is established; and (5) rolling correction is performed on the operation state of the distributed power supplies, energy storage and the flexible load and the operation mode of the power distribution network of the current period of time according to the power flow distribution situation of the current power distribution network, the node voltage situation, the operation state of the distributed energy and the charge and discharge situation of energy storage with combination of ultrashort-term load forecasting and power generation forecasting. The effect of multiple adjustable and controllable resources in operation of the active power distribution network can be fully exerted so as to guarantee effective consumption and efficient utilization of the distributed power supplies.
Owner:NARI TECH CO LTD +2

Oily sludge treatment process and device

InactiveCN102757162AThe treatment process is simple and effectiveLow running costSludge treatmentAutomatic controlLiquid storage tank
The invention discloses an oily sludge treatment process and a device. The oily sludge treatment process includes the steps of watering and stirring for dilution, ultrasonic wave demulsification, solid-liquid separation and oil-water separation. The device comprises an oily sludge treatment system, an automatic control system and a power supply device, wherein the oily sludge treatment system comprises a stirrer, an ultrasonic wave demulsification device, a centrifugal machine, a ultra-filtration system, an oily sludge storage tank, a sludge tank, a centrifugation liquid storage tank, a concentration tank and a filtrate tank, the stirrer is used for adding water into oily sludge for diluting the oily sludge, the ultrasonic wave demulsification device is used for demulsifying the oily sludge, the centrifugal machine is used for performing solid-liquid separation to the oily sludge, the ultra-filtration system is used for performing oil-water separation to the oily sludge, the oily sludge storage tank is used for storing the oily sludge, the sludge tank is used for storing the sludge, the centrifugation liquid storage tank is used for storing oily sewage, the concentration tank is used for storing oil, and the filtrate tank is used for storing water. According to the oily sludge treatment process and the device, the design is novel and reasonable, achievement costs are low, the treatment speeds are fast, the separation of the oil, the sludge and the water is thorough, the resource utilization of the oily sludge is achieved, and environmental pollution and resource waste are reduced.
Owner:周利坤

Compressed air energy storage-containing independent microgrid capacity optimal configuration method

The invention discloses a compressed air energy storage-containing independent microgrid capacity optimal configuration method. The method includes the following steps that: a compressed air energy storage model is established, and a mathematical relationship between energy storage power and energy is obtained; a microgrid capacity optimization upper-level model is established according to the compressed air energy storage model and the mathematical models of other distributed power sources, and a microgrid optimal capacity configuration problem is solved; a microgrid operation optimization lower-level model is established, and relevant constraint conditions are set, and a microgrid optimal operation mode under constant capacity is determined; a genetic algorithm is adopted to solve an upper-level integer programming problem, and a mixed integer linear programming solver is adopted to solve a lower-level mixed integer linear programming problem, and iteration calculation is performed on the upper-level model and the lower-level model, and a microgrid optimal capacity configuration result which satisfies convergence conditions can be obtained. Compared with an established strategy-based configuration method, the integrated optimization model of the invention can fully count the influence of operation modes on capacity optimization so as to obtain more economical and environmentally friendly configuration schemes.
Owner:SHANDONG UNIV

Yarn foam sizing process and device

The invention provides a yarn foam sizing process which is characterized in that: a sizing agent comprises polyvinyl alcohol, modified starch, acrylic acid, water and a foaming agent, wherein the ratio of the total mass of the polyvinyl alcohol, the modified starch and the acrylic acid to the mass of the water is 1:(3-20), and the ratio of the volume of the foaming agent to the total volume of the other four components is (1-3):100. The sizing agent is heated to 90-120 DEG C and then cooled to 40-60 DEG C and filled into a foam maker, then the foam is sprayed from top to bottom in a position between two sizing-agent pressing rollers which rotate oppositely, and the yarn penetrates through the position between the two sizing-agent pressing rollers from bottom, wherein the pressure between the two sizing-agent pressing rollers is 12,000-20,000N. According to the process, the yarn penetrates through the position between the two sizing-agent pressing rollers from bottom, then the form is attached to the warp yarn before being properly squeezed by the sizing-agent pressing rollers, and after the foam bursts, a proper amount of sizing agent is attached to the surface of the warp yarn to form a sizing-agent film. The sizing agent is saved, the strength of the yarn is increased, the sizing agent can be well attached to the hairness on the surface of the yarn, and the wear resistance of the yarn is improved.
Owner:LUTAI TEXTILE

Zero discharge and circular utilization method of industrial effluent in regeneration treatment

The invention discloses a method for reproduction treatment and zero discharge and recirculation utilization of industrial wastewater, which contains pretreatment, membrane separation, condensation liquid treatment and reflux, and sludge treatment. The pollution index of high concentration industrial wastewater pretreated SDI is less than or equal to 5; according to the requirement of clear-water quality, being separated by nano filter membrane or reverse osmosis membrane, the water applies for industrial production after disinfection; condensation liquid flows back and circulates, and is used for inverse/ positive washing multiple-media filtrator, the washing condensation liquid flows back and circulates after flowing into A/ O pool and generating anaerobic-aerobic reaction; sludge is dewatered to mud cake and delivered out, while the water flows back and circulates. Compared with the prior art, with the invented process, after regenerating treatment to the high concentration industrial wastewater, the produced water comes up to the requirement for clear-water used for industrial production and can be applied for production directly, which realizes the zero discharge and recirculation utilization of the industrial wastewater, and the water cost of regenerating treatment is lower than the integrated cost prior industrial water.
Owner:NINGBO QINGSHUIYUAN WATER TECH

Alcohol crossed circle manufacturing technique with potatoes as the main materials

ActiveCN101130790AReduce floor space and fixed asset investmentLow running costBiofuelsFermentationChemistryPlant Tubers
The invention relates to an alcohol dual manufacturing technique with tuber as the main material in the alcohol fermentation industry technique, which comprises the following steps: mixing starch and the last anaerobic fermentation digestive liquid; heating, liquefying and reducing the temperature by adding maxilase and mixing homogeneously; adding the last distillery slop; saccharifying by adding glucoamylase; reducing the temperature; inoculating the extended culture distillery yeast; culturing in the constant temperature; acquiring the product alcohol by distilling; using distillery slop as the water for the next saccharifying and adjusting acid; cooling the rest slop and inoculating the last activated sludge in order to produce methane with anaerobic fermentation; recovering the activated sludge and digestive liquid by separating anaerobic fermentation liquid; making the digestive liquid back to the proportioning procedure as the technology water; circulating sequentially. The invention only needs a step anaerobic fermentation of distillery slop, which reduces investment of accommodation area and capital assets, can circulate anaerobic fermentation digestive liquid, achieves zero discharge of the wastewater from fermentation, achieves the circulation of the water resource and reduces the cost of alcohol.
Owner:JIANGNAN UNIV

Synchronous deep purification technology for various pollutants in industrial flue gas

The invention relates to a synchronous deep purification technology for various pollutants in industrial flue gas. The steps include enabling pure water to be subjected to electrolyzation and ultra-violet radiation to generate hydroxyl radicals to be fully mixed with flue gas through a gas mixing device, and oxidizing SO2 and NO which are difficultly soluble in water into S03, NO2, N2O3 and N2O5 which are easily soluble in water; oxidizing high-volatility HgO which is difficultly soluble in water into Hg2+ which is easily soluble in water and easy to be attached to particulate matters; performing oxygenolysis on VOC (volatile organic compounds) and Dioxin to form water and CO2, contacting the oxidation products with water sprays in flue gas to be subjected to dissolving and condensation to form liquid drops, removing micro particles and liquid drops in air flow through a demister, and exhausting purified flue gas into the air through a chimney; and taking collected liquid produced in flue gas demisting, precipitating and filtering, and reusing solid and liquid obtained by separation. The synchronous deep purification technology for various pollutants in industrial flue gas has the advantages that hazardous substances such as SO3, SO2, NOx, Hg, VOC, Dioxin and PM 2.5 in flue gas can be removed simultaneously, collected liquid can be reused, the investment and operation costs are low, and the environmental benefits are good.
Owner:大恩(天津)环境技术研发有限公司

Method for directly starting steam-driven feed water pump of large-sized thermal power plant

InactiveCN102563612AReduce initial investmentLow running costWater feed controlEngineeringHigh pressure
Disclosed is a method for directly starting a steam-driven feed water pump of a large-sized thermal power plant. Two steam inlet sources are designed for a steam turbine of the steam-driven feed water pump, and steam is supplied in a cold-section mode or a main steam mode and four-stage steam extraction mode. The method for directly starting the steam-driven feed water pump includes adding an auxiliary steam source; supplying steam to the steam-driven feed water pump by the auxiliary steam source in a starting phase; completing a water supply process for the boiler by the aid of the steam-driven water feed pump; gradually switching a small-machine steam inlet mode from an auxiliary supply mode into the cold-section mode or the main steam mode when parameters of cold-section steam or parameters of main steam meet requirements on inlet steam of the steam turbine of the water feed pump; and realizing a starting function of the steam-driven water feed pump. An electric starting water feed pump is omitted, the auxiliary steam source of the steam turbine of the steam-driven water feed pump is added, the steam-driven water feed pump is directly started, a bypass regulating valve system is disposed on a high-pressure water feed pipeline of a boiler, and the requirement on control of water feed flow of the boiler when load of the boiler is low is met.
Owner:ZHEJIANG ELECTRIC POWER DESIGN INST
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products