Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

666results about How to "Suitable for handling" patented technology

Municipal domestic waste resource recovery processing method with zero pollution, zero release and harmlessness

The invention provides a municipal domestic waste resource recovery processing method with zero pollution, zero release and harmlessness, which mainly comprises 'CXEP Six Items and Sixteen Systems': rapidness of domestic waste treatment, harmlessness of closed-type treatment, daily clearance of the waste, resource recovery of the waste, economic effectiveness, and industrialization of organic fertilizers; and 'CXEP Sixteen Treating Systems': automatic feeding , large waste crushing, automatic breaking and sorting, organic matter sorting, plastic pneumatic separation and magnetic separation, high-temperature and high-pressure sterilizing, disinfecting and spraying, fertilizer preparing, building materials manufacturing, plastic granulating, oil refining, combustible pyrolysising, residual-heat utilizing, regenerant utilizing, waste gas treating, sewage treating, and automatic monitoring and detecting. According to the invention, the occupation area is small, sorting is carried out by automatic manipulators, and resource utilization is realized; and dioxin and poison gas cannot be generated without burning the waste, secondary pollution is avoided without releasing and landfilling the waste, the harmlessness rate reaches one hundred percent, and the worldwide problem of 'waste siege' is thoroughly solved.
Owner:严大春

Large-scaled culture method of high-concentration nitrosobacteria and application thereof

The invention discloses a large-scaled culture method of high-concentration nitrosobacteria and application thereof. The method comprises the following steps of: (1) adding an enrichment culture solution with initial ammonia nitrogen mass concentration of 30-500mg/L in a reaction device with functions of stirring, heating and aeration; preparing activated sludge of a waste water treatment plant in activated sludge of 0.5-20% for primary inoculation to conduct the enrichment culture of the nitrosobacteria by 2-6d as a culture cycle, wherein extra ammonium salts and a growth promoter are added during the enrichment culture of the nitrosobacteria; (2) ending the culture when the concentration of NO2-N in the solution is accumulated to reach 70-95% of the concentration of total nitrogen; adding a flocculating agent for flocculation and sedimentation; and allowing to stand still to remove supernate, and then adding the enrichment culture solution to start the culture of the second cycle; and (3) continuously conducting 3-8 cycles of the enrichment culture to obtain the high-concentration nitrosobacteria. By adopting the nitrosobacteria to strengthen the bi-nitrification treatment of ammonia nitrogen contained waste water, the method has the advantages of high stress resistance, low cost and high efficiency and is suitable for the complicated treatment of ammonia nitrogen contained industrial waste water.
Owner:ENVIRONMENTAL SCI RES & DESIGN INST OF ZHEJIANG PROVINCE

Stock market investment decision-making method based on network analysis and multi-model fusion

InactiveCN103985055AComplete and Comprehensive UtilizationEnsure real-time requirementsFinanceForecastingNODALNetwork connection
The invention discloses a stock market investment decision-making method based on network analysis and multi-model fusion. The method includes the steps that fundamental information is grabbed from a network and then network nodes and network connection are constructed; a complex social network model is constructed; an investment portfolio is selected by means of a network analysis method and then data involved in the investment portfolio are input into a multi-model fusion frame, wherein the multi-model fusion frame comprises a plurality of sub-models; all the sub-models conduct market trend prediction with different characteristics according to technical information of different characteristics grabbed in the network generate predicted values of the corresponding sub-models, the predicted values are weighted and summated to obtain a comprehensive market trend predicted value, and then corresponding investment strategies are generated according to the comprehensive market trend predicted value. According to the method, risk factors, which are ignored in general researches, of the investment portfolio are comprehensively considered from multiple angles, real-time requirements of the strategies are guaranteed through the methods such as dimension reduction data preselection of fundamentals and technical feature selection, and consequently the more reliable investment strategies are provided.
Owner:XI AN JIAOTONG UNIV

Garlic wastewater treatment method and device

The invention relates to a garlic wastewater treatment method and a device. The garlic wastewater treatment device comprises a wastewater regulating tank, an advanced oxidation reaction sedimentation tank, a multistage hypoxic and anaerobic reaction tank, an aerobiotic contact oxidation tank and a multilayer aerobiotic activity filtration tower, wherein the advanced oxidation reaction sedimentation tank comprises a mixing region and a sedimentation region; the multistage hypoxic and anaerobic reaction tank comprises a facultative section, a hypoxic section and an anaerobic section; an aeration controlling system is arranged at the middle lower part in the aerobiotic contact oxidation tank and comprises an aeration disc, an air blower and a dissolved oxygen measurement controlling device; and the multistage hypoxic and anaerobic reaction tank adopts multistage arrangement, particle sizes of a filter material are gradually decreased from top to bottom, an air inlet, a water collection groove and a water outlet pipe are arranged at the bottom of the filtration tower, and disinfection equipment is installed at the upper part of the water collection groove and is connected with a chloride dioxide generator. The garlic wastewater treatment device has a simple structure, is lower in manufacturing cost, is suitable for sewage treatment of larger volume and has very good treating effect to garlic wastewater.
Owner:邳州市博睿投资管理有限公司

Method for constructing topic web crawler system

The invention provides a method for constructing a topic web crawler system, which comprises the following steps of: (1) defining an initial description vector of a topic, setting an initial threshold value of the correlation degree and initializing a URL (Uniform Resource Locator) queue; (2) sequentially acquiring URLs from the initial URL queue to carry out crawl; (3) carrying out text analysis on the URLs; (4) carrying out link analysis on the URLs; (5) calculating the correlation degrees of the URLs with the topic; (6) adding the URLs of which the correlation degrees are more than the threshold value of the correlation degree into an ordered URL queue, sorting the URLs according to the correlation degrees of the URLs with the topic vector, carrying out crawl sequentially until the queue is empty, extracting a sub URL in each crawled webpage, and returning the step (3); (7) carrying out optimization of a genetic algorithm by using the genetic algorithm; and (8) updating the topic vector by a Rocchio feedback module, dynamically regulating the threshold value of the correlaton degree and continously crawling the webpages. In the method, a great amount of training texts do not need to be prepared in advance. The method has high speed and is suitable for processing an immense amount of on-line webpage data.
Owner:HARBIN ENG UNIV

Catalyst containing nickel-iron-manganese compound oxide for processing industrial waste gas and preparation method thereof

The invention relates to a catalyst containing nickel-iron-manganese compound oxide for processing industrial waste gas and a preparation method thereof and belongs to the fields of atmospheric pollution abatement technique and environment-friendly catalytic material. In the catalyst, the nickel-iron-manganese compound oxide is taken as a first active component; one or two of other transition metal, rare-earth metal or precious metal oxides are taken as a second active component; a self-made carrier or natural inorganic material carrier is taken as the carrier of the catalyst; and the contents (in percentage by weight) of the loads of the first and the second active components are respectively 5-20% and 0-10% on the basis of the weight of the carrier. The catalyst is a polymorphous catalyst, which can be spherical, columnar, starlike, bar-shaped, netty, flaky, ringlike, strip-shaped, block-shaped, honeycomb or powdery. The catalyst can be used for completely catalytically oxidizing CO(carbon monoxide), alkane, halogenated hydrocarbon, aromatic hydrocarbon and heterocyclic compounds at 200-350 DEG C. The catalyst containing nickel-iron-manganese compound oxide for processing industrial waste gas has the advantages of low initiation temperature, high conversion efficiency, low cost, wide application scope, and meets the industrial waste gas treatment requirements of various enterprises.
Owner:NANJING UNIV OF TECH

Electric double-track wheel type flaw detection car

The invention relates to an electric double-track wheel type flaw detection car. The electric double-track wheel type flaw detection car comprises a car frame, a detection device, a power supply device, a left scanning device, a right scanning device, a left driving wheel, a left driven wheel, a right driving wheel, a right driven wheel, a left coupling device and a right coupling device. The car frame comprises a car body, a left wing, a right wing, a motor assembly, a left extension coupler, a right extension coupler, a left guiding shaft, a left guiding sleeve, a right guiding shaft, a right guiding sleeve, a left guiding device and a right guiding device. The detection device, the power supply device, the motor assembly, the left guiding sleeve and the right guiding sleeve are arranged on the car body; the left driving wheel, the left scanning device, the left coupling device, the left driven wheel, the left guiding device, the right driving wheel, the right scanning device, the right coupling device, the right driven wheel and the right guiding device are arranged on the left wing and the right wing. The flaw detection car is convenient to arrange, disassemble and convey, and can be manually put away and extended, the detection accuracy is improved and the cost is low.
Owner:GUANGDONG GOWORLD

Process for reclaiming city domestic sludge

The invention relates to the technical field of sludge resource technology, in particular to a technology which uses aerobic biological-physical-chemical jointed rapid fermentation technology to treat the urban living sludge resources; municipal sludge, mushroom dregs and green garbage are mixed based on a proper proportion; then an appropriate amount of quicklime is added to the mixture for fermentation through the aerobic biological-physical-chemical jointed technology; the fermentated product is screened and sorted to form the refined organic fertilizer. The technology can make fast treatment to three waste resources including the municipal sludge, the urban green garbage and the mushroom dregs; the technology can also adjust the material proportion of the mixture based on the nutritional characteristics of various gardens and fruit trees, as well as the resource conditions in different areas, so that the obtained organic fertilizer can achieve best effect. The organic fertilizer has full nutrients, good fertilizer efficiency, long fertilizer effect period and high utilization rate, which has the functions of improving the soil activity, resisting drought, saving water, preventing disease and improving crop yield and quality so as to eventually reduce the municipal sewage sludge and realize harmless treatment to the municipal sewage sludge resource.
Owner:DONGGUAN SHENGYIN BIO ORGANIC FERTILIZER

A2N-SBR (Anaerobic-anoxic/nitrification-sequencing batch reactor) process with shortcut nitrification-denitrification denitrifying and dephosphorizing function

The invention relates to an A2N-SBR (anaerobic-anoxic/nitrification-sequencing batch reactor) process with a shortcut nitrification-denitrification denitrifying and dephosphorizing function. Compared with an A2N-SBR process with a complete nitrification-denitrification denitrifying and dephosphorizing function, the A2N-SBR process provided by the invention saves aeration amount and organic carbonsource amount, greatly reduces residual sludge amount and saves operation cost. The A2N-SBR process provided by the invention comprises a main reaction tank and auxiliary equipment, wherein the main reaction tank comprises an A2-SBR and an N-SBR; and the auxiliary equipment comprises stirring equipment, aeration equipment, a dissolved oxygen detection device, a reflux pump, pH adjusting equipment, a pH detection device, heating equipment and a temperature detection device. The A2N-SBR process provided by the invention has the advantages that: two independent SBRs are adopted; nitrite bacteriaand denitrifying phosphate-accumulating bacteria grow separately in the two reactors through controlling proper conditions, so that denitrification is carried out when NH4<+>-N oxidation goes to NO2<-> stage, thus operation energy consumption is greatly saved, bacteria are not mutually influenced in the operation process, and the bacterial activity is higher in the whole bacterial growth process;and the process is simple, the arrangement is compact and the automation degree is high.
Owner:SHENYANG JIANZHU UNIVERSITY

Sewage water denitrification processing method of artificial rapid infiltration system and application thereof

The invention discloses a sewage denitrogenation treatment method of an artificial quick percolation system and an application thereof. Aiming to overcome the disadvantages of the prior art that the total nitrogen index of domestic sewage treated by an artificial quick percolation system can not reach the I-A criteria of the Discharge Standard of Pollutants for Municipal Sewage Treatment Plant (GB18918-2002), the invention provides the sewage denitrogenation treatment method. The method channels sewage undergoing predeposition treatment into an artificial quick percolation pool filled with river sand, marble sand and crushed stone by means of two water distribution pipes; nozzles of the water distribution pipes are respectively positioned at the top of the upper surface of a percolation layer and inside a percolation medium; and sewage undergoing purification treatment flows out through an overflow water outlet. Compared with the prior art, the sewage denitrogenation treatment method has high total nitrogen removing efficiency, and treated sewage meets the I-A criteria in the Discharge Standard of GB18918-2002; moreover, the method has flexible process, low investment, less energy consumption, low operating cost and convenient maintenance and management, and is particularly suitable for the treatment of rural domestic sewage.
Owner:SOUTHWEST JIAOTONG UNIV +1

Network video monitoring system based on FPGA chaotic encryption

The invention relates to a network video monitoring system based on FPGA chaotic encryption, comprising a server terminal, a client terminal and a system configuration terminal. The server terminal comprises a plurality of cameras, a video server, an encryption module and a signal sending module; the client terminal comprises a signal receiving module, a decryption module and a client terminal player; video frequency collected by the plurality of cameras is coded by the server, then input into the encryption module via the Ethernet and sent to the client terminal via the signal sending module after encrypted; the signal receiving module of the client terminal receives the encrypted video data and then sends the data to the decryption module for processing and finally the client terminal player plays the video data; the encryption module and the decryption module are respectively an FPGA encryption board and a decryption board; the encryption process and the decryption process of the encryption module to video flow are as follows: the encryption module adopts a CPRS array which is cut and operates with a plain text data module 2, and then sent; and the receiving terminal of the decryption module obtains the same CPRS array, and then operates with a cryptograph module to realize decryption.
Owner:NANJING UNIV

Purification treatment method and apparatus for pig raising waste liquid

The invention relates to waste processing, in particular to a method and a device for purifying waste liquid from pig cultivation, which solves the problem that the waste liquid of pig cultivation pollutes the environment. After solid and liquid waste generated by pig cultivation is separated, absorption, filtration and automatic purification technology is used for enabling the separated waste liquid from pig cultivation to enter into a first absorption pool for first absorption and filtration, then filtrated liquid enters an automatic purification depositing pool for purification depositing processing and then a second absorption pool for second absorption and filtration processing, and lastly, the processed waste water reaches the standard and is discharged. The device for purifying waste liquid from pig cultivation comprises a first absorption and filtration pool, an automatic purification depositing pool and a second absorption and filtration pool which are sequentially communicated, wherein filtration material is arranged in the absorption and filtration pools, and the filtration material is only one or a plurality of layers of furnace slag, crop stems, zeolite and gravel. The invention has simple technology, low cost and easy application, and is suitable for the purification and the standard discharge of the waste liquid from family type pig farms or small pig farms.
Owner:SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI

Frequency-convertible echo cancellation method based on near-end audio signal calibration and correction

The invention discloses a frequency-convertible echo cancellation method based on near-end audio signal calibration and correction and relates to the technical field of audio and video processing. The frequency-convertible echo cancellation method based on the near-end audio signal calibration and correction is a near-end audio signal calibration and correction method and includes the first step of carrying out one-time calibration on the frequency conversion of a microphone of equipment and the frequency conversion of a loudspeaker of the equipment to generate a set of frequency correction parameters, and the second step of firstly carrying out one-time correction on collected audio signals through the utilization of the frequency correction parameters calibrated before, then allowing estimation echo audio signals generated from a self-adaptive filter module to be subtracted from the corrected audio signals and finally achieving the echo cancellation function. The frequency-convertible echo cancellation method based on the near-end audio signal calibration and correction is capable of well canceling echoes after the frequency conversion, simplifying the calculated amount of a self-adaptive filter, enabling the calculated amount of the self-adaptive filter to have better convergence, being suitable for processing the long echoes and reducing noises and constraint.
Owner:广州烽火众智数字技术有限公司

Inner wall board joint treatment technology

InactiveCN101230593ASolve common problems in the applicationPrevent board seam through seamWallsBuilding insulationsFireproofingEngineering
A wallboard seam processing technic belongs to the technical field of inner wallboard processing of building. The processing method is realized by that: a flute arranged at one side of a wallboard is internally affixed with rubber sponge with a certain thickness, the two sides of the rubber sponge are smeared with polymer sand pulp, and then the rubber sponge is abutting-jointed with a tenon of the wallboard or the side or the pillar of the wallboard as well as is tightly squeezed by force, so as to lead the rubber sponge to have a certain decrement; after that, the two sides of the seam are filled with elastic sealing compounds with a certain thickness, finally, the two sides of the seam are affixed with an anticracking gridding adhesive tape. The material in the seam of wall in the wallboard seam processing technic adopts elastic material, so as to solve the problem that generally appears and is hard to be settled of straight joint of slab joint caused by structural distortion or walling material drying shrinkage; furthermore, the rubber sponge adopted in the middle of the slab joint is made of fire resistant heat insulating material and can prevent a heat channel from generating among the slab joints, thereby having certain fireproofing performance. The invention is applicable to the slab joint processing of most of the inner wallboards such as a GRC board, a plasterboard, a hollow slat, etc. at the present time.
Owner:SHANDONG LAIGANG CONSTR CO LTD

Packaging stage-type film bioreactor device for treating sewage or micro-polluted raw water

InactiveCN101186416ARealize quality water supplyFlexible and simple multi-functional areaTreatment with aerobic and anaerobic processesMultistage water/sewage treatmentWater qualitySmall footprint
The invention relates to a staged membrane bioreactor device, for treating sewage or micro-polluted source water, with a water container, pertaining to the environmental protection technology field. The device consists of a half-reaction zone, an anaerobic reaction zone, an aeration reaction zone and a pure water zone. The half-reaction is communicated with the bottom of the aeration zone, the bottom of the half-reaction is provided with an empty valve, one side of the half-reaction zone has a water inlet pump, the inside of the half-reaction has an internal ring filled with stuff, and the top of the half-reaction is provided with a stirrer, and the effluent of the half-reaction automatically flows into the anaerobic reaction zone. The top of the anaerobic reaction zone is provided with a stirrer, the bottom thereof is provided with a sludge empty valve, and a sludge empty device is shaped like a horn mouth and positioned in the anaerobic reaction zone, and the top of the anaerobic reaction zone is provided with a drug feeding mouth. The bottom of the aeration reaction zone has an internal return pump, the lower part of the aeration reaction zone is provided with an aeration pipe with an air inlet positioned at one side of the aeration reaction zone, and a fan is connected to the aeration pipe through the air inlet; the top of the aeration reaction zone is provided with an overflow pipe, the bottom of the aeration reaction zone is provided with an empty valve, while the middle is provided with a membrane component. The pure water zone is divided into two units, and the inside of each unit is provided with an effluent valve. The invention has the advantages of good effluent quality, multi purposes, small land occupancy, flexible and convenient using method, and is applied to the treatment of domestic sewage and micro-polluted source water, and can widen and facilitate the application of membrane bioreactor water treatment and water resource reutilization technique.
Owner:TONGJI UNIV
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