133 results about "Urban life" patented technology

The invention relates to a complete system of recycling treatment of city household garbage and a method thereof. The invention is characterized in that an electronic screen control system controls mechanical transmission and treatment condition of a garbage mechanical classification system, a fertilizer-making system, a plastic classification system, a pulping system and a sewage treatment system by a contact screen and a circuit, the recycling treatment of day treatment for day garbage, closed operation, automatic sorting, no secondary pollution and fully treatment of resources is realized finally, the city household garbage is divided into 48 types, which are combined into 15 types and seven sorts, the classification rate reaches 100 percent, the recycling rate reaches over 99 percent and the whole-range treatment needs 60 to 80 minutes.

The invention relates to an air sorting device, which belongs to the field of air sorting technology for chemical material. The system comprises an air blower (2), an air register (3), an air sorting chamber (4), a relay drum (5), a settling centrifuge (6), an input material conveyor (1), a heavy material output conveyor (8), a light material output conveyor (7), an air return pipe (9), a stand, a dust remover and a control system. The settling centrifuge (6) includes a transmission device (12), a pin wheel (13), a ring grate (17) and a bar grate (18). The system adopts the relay drum (5) to reduce the air active section to compensate for the short migration distance of light material under the action of air force, thus obviating the secondary falling back and mixing of the sorted light material. Additionally, an intensely centrifugal air flow is used for separating particles and dust, and high-speed rotation energy can be converted into dynamic pressure by discharging air through a volute. The system has the advantages of compact structure, less occupied area, short pipe, less resistance, strong air power of the air sorting chamber, high sorting efficiency and stable and reliableoperation. The air sorting unit device can be used for sorting oversize plastics of urban life garbage and for sorting other industrial mixed materials.

The invention discloses a method for controlling different forms of heavy metal in urban life compost by adopting modified nano carbon. Before application of nano carbon with diameters ranging from 20 nm to 70 nm, the nano carbon is modified, so that various kinds of modified nano carbon are obtained respectively; then, a layer of cotton cloth and a nylon net are sealed at the lower end of each PVC (polyvinyl chloride) tube, garbage compost and various kinds of modified nano carbon are proportionally and uniformly mixed, and each tube is filled with 150 g of mixed materials; the temperature during an experiment ranges from 19 to 27 DEG C, the relative humidity is 60%-72%, the compost is supplemented with water every day, so that the moisture of the compost is about 70% of the field capacity; sampling is performed after 45 days of cultivation, and form analysis of heavy metal is performed; and the adding amount of various kinds of modified nano carbon is 1%-5% (w/w) of the weight of the garbage compost. The experiment result shows that the content of the residual form heavy metal is added with addition of the modified nano carbon, conversion of the heavy metal in the compost from an easily absorbing state to a difficultly absorbing state is promoted, and a basis is provided for application of the modified nano carbon in passivation of the heavy metal in the garbage compost.

The invention relates to multistage anaerobic, aerobic and anoxic dephosphorization and denitrogenation technology, which is mostly suitable for treating urban domestic sewage. The sewage is divided into two parts, namely approximately 30 percent of the sewage is mixed with return sludge and enters into an anaerobic tank, and most of the sewage exceeds the anaerobic tank and directly enters into an anoxic tank for denitrogenation in a multipoint mode; after denitrogenation is completed, the mixed solution is mixed with a small part of the sewage and enters into a secondary settling tank for sludge-water separation; and denitrogenation reaction is continuously completed during sludge-water separation; and the return sludge and nitrite nitrogen and nitrate nitrogen of discharged water are reduced, and residual sludge is discharged regularly. The multistage anaerobic, aerobic and anoxic dephosphorization and denitrogenation technology has high phosphor and nitrogen removal rate, reduces the capacity of a structure, saves investment, fully utilizes carbon sources and simultaneously reduces direct oxygen consumption because the sewage does not directly enter into an aerobic tank and then the carbon sources in the sewage do not directly contact oxygen, and improves the catch rate of air bubbles and obviously saves the aeration cost due to ultrahigh sludge concentration in the aerobic tank under the condition of blast aeration.

The invention relates to a method for treating urban domestic sludge by earthworms, which comprises the following steps: (1) selecting earthworm variety, namely selecting one or two of Eisenia foetida and micro double-chest earthworms, and mixing according to the weight ratio of 1 to 1 for standby; (2) domesticating the earthworms, namely, under room temperature, feeding earthworms according to 0.4 to 0.5 kilogram feed per kilogram of earthworm each day in the first month, wherein the feed is a mixture of dehydrated sludge and wheat straw which are mixed evenly according to the weight ratio of between 15 to 1 and 20 to 1; and then adding the dehydrated sludge accounting for 1 to 2 percent of the total weight of the feed into the feed month by month from the second month, till feeding the earthworms totally by the dehydrated sludge; and (3) feeding the earthworms by the dehydrated sludge, under the conditions that temperature is between 10 and 28 DEG C and humidity is 70 to 80 percent, feeding the domesticated earthworms based on 0.4 to 0.5 kilogram of the dehydrated sludge per kilogram of the domesticated earthworms per day, wherein the feeding amount for once is the amount for seven days; and feeding the earthworms again when the fed sludge becomes muckworm totally. The method can shorten treatment time, reduce loss of nitrogen, and obtain high-quality organic fertilizer and efficient adsorbent, namely the muckworm.

The invention relates to a method for dephosphorization in a municipal sewage plant, belonging to the water treatment field. In the method, a scrap iron packing layer is arranged in a hydrolysis and acidification pool (an adjusting pool, a catchment well, etc.) in the municipal sewage plant; with an anaerobic and acidic environment formed by sewage water in a structure, the internal electrolysis effect occurs in scrap iron to generate dephosphorization ions Fe<2+> which are oxidized into Fe <3+> in the subsequent aeration procedures; two kinds of ions and phosphor in the sewage water respectively generate Fe<3>(PO<4>)<2> precipitation and Fe PO <4> precipitation; and the sediment sinks, thereby achieving the aim of dephosphorization in the sewage water. A backflush pipe is arranged under the scrap iron packing layer. The method has low cost and operation expenses, does not need to change the prior flow of the sewage treatment plant, is simple and feasible, has the effects of internal electrolysis and flocculation, effectively dephosphorizes and has good synergistic effect on organic pollutant in the sewage water, good treatment effect and wide application prospect in the municipal domestic sewage treatment.

The invention relates to an urban life sludge locally self-circulation comprehensive utilization device and a method. By locally establishing an urban life sludge processing system, the heat generated from the burning of sludge is utilized to dehydrate and dry wet sludge, thus realizing heat self-circulation and quantitative reduction of sludge in the system. The device provided by the invention has advantages of reasonable design of the structure, less pollution of combustion products, good continuous operation performance, high combustion efficiency, simple maintenance, low carbon and energy conservation.

The invention relates to a method for using composite microbe and nanometer composite carrier to treat the gas with bad smell, and relative device. The box of biological filter is divided by several upright baffle plates, which contains microbe nourishment storage pool, a liquid level controller, a porous baffle plate, a nourishment spray tube, and a nourishment circulate pump, while the bad smell flows in the box to contact with the nanometer composite mineral carrier stacked on the porous baffle plate, to degrade the object via the microbe group on/in the nanometer composite mineral carrier into the material without toxicity and harm, as water, carbon dioxide, nitrogen gas and sulfur. And the invention uses the bad smell object as the carbon source, energy source, nitrogen source and sulfur source of microbe to realize circulation, save cost and reduce nourishment consumption. The invention has simple structure and low cost, while the LQ-SSB composite microbe group and nanometer composite mineral carrier have high stability and efficiency.

The invention discloses a process technology of municipal life refuse imbedding site leakage liquid, which is characterized by the following: proceeding coagulated pretreatment, SBR anaerobic or aerobic treatment; reaching secondary standard in 'waste water comprehensive emission standard (GB8978-1996)'; providing a preparing technology of coagulant; possessing rich source and cheap price. This invention compensates for high operating cost and big device investment of now craft, which possesses spread value.

The invention provides a novel film-biological film reactor system combining a latest sewage treatment biological film technique, namely a suspended biological carrier technique, and a film separation technique. The system comprises a reaction tank consisting of an anaerobic zone, an anoxic zone and an aerobic zone, wherein the aerobic zone is filled with a suspended stuffing for attaching aerobic microbe, and the tail end of the aerobic zone is provided with a film separation component. Compared with the prior aerobic reactor, the reactor system occupies little area, has high removal ratio of organic pollutants, simultaneously has good total effect of denitrifying and dephosphorizing, and can relieve film pollution greatly and prolong the service life of the film. The system can be applied to various sewage disposal occasions such as urban domestic sewage treatment, wastewater reuse sewage treatment, excrement sewage treatment, garbage percolate wastewater treatment or high-concentration organic wastewater treatment, and the like.

The invention relates to a system for controlling water pollution by microorganism culture, which is characterized in that the system is composed of crowded floating cages that are orderly arranged. Aquatic plants and fishes are placed in each cage, an aerating and supplementing machine is arranged on each cage, a wave generating machine is arranged in the middle of the cage, and the system is powered by local power generation or external power supply. The inventive system overcomes the worldwide problem of controlling large area water body pollution. The inventive system has very distinct and sustainable effect in wastewater treatment, especially urban household wastewater treatment. The system has the following advantages of: (1) environmental friendliness and sustainability; (2) changing from uninterrupted intensive investment of large-area water pollution controlling to once investment, and sustainable high output; (3) converting water pollutants to available precious resources; (4) providing a large amount of job opportunities; and (5) generating related industrial cluster and high-profit cycling economic chain. The inventive system can be not only used for water pollution controlling, but also for microorganism culture.

The invention relates to a composite microbial agent which is used for the sludge reduction of urban life sewage and industrial waste water treatment, which mainly contains photosynthetic bacterium colony, yeast bacterium colony, lactic acid bacterium colony, propionic acid bacillus colony, antinomycetes bacterium colony, fungus and the like which are beneficial to humans, animals and plants. By the specific culture mediums and culture technology, microorganisms with different anaerobic, facultative anaerobic and aerobic characteristics commonly live and exist in the same culture medium, and mutually benefit, compliment and cooperate. The production method adopts a microbiological fermentation method. The production steps comprise that strictly selecting microbial strains for production, slope storage, amplifying culture of seed liquid, product static state culture, vital cell counting, quality detection and packaging and storage. The production process of the agent has no 'three wastes' pollution, and belongs to 'clean production'. The agent does not contain any disease bacteria, and has no toxicity, harm and irritant.

The invention discloses a sludge processing technology by electrochemical direct oxidation. A two-stage electrochemical direct oxidation technology is adopted to carry out oxygenolysis processing on sludge of which the moisture content is 99.6%, and the residual sludge decrement is above 95%. The sludge processing technology by the electrochemical direct oxidation can be widely applied to sludge processing and disposal for city life sewage treatment plants, city integrated sewage treatment plants and city chemical industry sewage treatment plants, and a clean and low energy consumption solution is provided for the safe processing and disposal of the sludge.

The present invention is method of treating urban domestic garbage with earthworm. The present invention features that in some earthworm feeding place with excellent ventilation, sufficient water source, easy drain and less noise, domestic garbage after being sorted, crushed and fermented to form earthworm feed is set on the earthworm feeding bed. Then, earthworm is thrown into the fermented and watered garbage to treat the garbage for 3-4 days before the earthworm is separated out for treating other garbage. The present invention has fast treating speed and no secondary pollution.

The invention discloses anaerobic absorption, dephosphorization and denitrogenation technology, which is mostly suitable for treating urban domestic sewage. The sewage to be treated is divided into two parts; partial sewage is mixed with return sludge, settled and subjected to anaerobic phosphorus release; and the other part of the sewage directly enters into a secondary settling tank and is mixed with the return sludge and settled, and supernatant obtained exceeds an aeration tank and directly enters into a subsequent denitrifying tank in a multipoint mode. Compared with the prior art, the anaerobic absorption, dephosphorization and denitrogenation technology has the advantages that: firstly, the anaerobic absorption, dephosphorization and denitrogenation technology fully utilizes available carbon sources in the wastewater to preferably provide carbon source nutrition for phosphorus-accumulating bacteria, accelerates growth of the phosphorus-accumulating bacteria, promotes the proportion of the phosphorus-accumulating bacteria in activated sludge, and further improves the dephosphorization efficiency; secondly, the anaerobic absorption, dephosphorization and denitrogenation technology greatly improves the anaerobic sludge concentration, the aerobic sludge concentration and the anoxic sludge concentration, obviously improves the overall dephosphorization and denitrogenation efficiency, and simultaneously reduces the capacity of a structure and saves the investment; and thirdly, the anaerobic absorption, dephosphorization and denitrogenation technology obviously saves the aeration cost under the condition of blast aeration.

A matrix for culturing the lawn in urban area is prepared from the compost of city life garbage (48-93 Wt%) and yellow clay (7-52 Wt%).

The invention discloses an urban community safety prediction method based on big data, and relates to the field of city computing and data fusion in big data. The technical scheme includes mining potential relations among urban data sets and fusing the potential relations to predict related aspects of urban life dynamically; outputting the vector representation of the influence of each factor through a corresponding neural network, connecting the vector representation through a connection layer, inputting the vector representation into a multilayer perceptron, analyzing the comprehensive evaluation of the influence of the different sources on the urban community safety, and calculating the prediction result of the urban community safety. The urban community safety prediction method based on the big data has the beneficial effects that the idea of static statistical information, time sequence information and neural network fusion is utilized to mine potential connections existing amongvarious types of data, and the generality of the connections is analyzed to predict the urban community safety.

The invention relates to a method for increasing the photosynthetic capacity of drought mixed matrix lawn plants by adopting rare-earth cerium. The method comprises the step of sowing seeds of the lawn plants on a mixed culture matrix for lawn planting, wherein 200mg/Kg-800mg/Kg of rare-earth cerium is contained in 1.5-2kg of mixed culture matrix soil and the mixed culture matrix is the compost of soil and municipal solid waste in a weight part ratio of 4:(1-2). According to the method provided by the invention, a certain amount of rare-earth cerium is applied, so that the photosynthetic rate of the lawn plants can be obviously increased. The application of the technology is expected to realize a high-efficiency and low-cost operating mode in large-area urban lawn planting.

The invention discloses a preparation method and application of a calcium polypeptide promoter for improving soil micro-ecological population quantity and belongs to the technical field of protein waste treatment and recycling. The preparation method comprises the following steps: adding a protein-containing raw material into a high-temperature reaction kettle; after properly adding calcium oxide or quicklime and water into the reaction kettle, heating up to 121-170 DEG C, keeping the temperature for 0.5-6.5 h, and cooling down to the ordinary temperature to obtain the calcium polypeptide promoter, wherein the protein-containing raw material is food factory sludge, urban life sludge or plant cake meal, and the weight of the added calcium oxide or quicklime accounts for 10-35 percent of that of dehydrated dry sludge or the plant cake meal. The calcium polypeptide promoter can be used for increasing the soil micro-ecological population quantity and quickly promotes microbial growth, and plants planted with the calcium polypeptide promoter is higher in content of chlorophyll than plants planted with ordinary fertilizers, is large in biomass, and contains most soluble starch and other nutritional ingredients in all plants planted with fertilizers.

The present invention includes increases intermediate water producing factory, intermediate water supplying pipeline and domestic waste water recovering pipeline on the basis of available water supply pipeline; re-constructing city excrement draining and recovering pipeline and re-builds the city sewage processing factory into organic fertilizer plant. The city domestic sewage is drained in new pipeline for recovery and processing into intermediate water for secondary use in flushing toilet and other proper purpose. The city excrement is recovered and treated to produce marsh gas and organic fertilizer.

The invention discloses a construction method of an urban venous industry park system. The construction method comprises the steps of garbage sorting: sorting urban household garbage composed of biomass garbage and fossil garbage, and sorting construction garbage and old household electrical appliances out of household garbage; biomass separation treatment: carrying out bag breaking and dry-wet separation on the sorted household garbage, so as to form dry garbage and wet garbage; and garbage energy conversion: carrying out anaerobic digestion on wet garbage and sludge to form biogas, nitrogen-containing filtrate and biological carbon soil, purifying biogas to form natural gas, purifying the nitrogen-containing filtrate through a nitrogen-containing digestion liquid to form recycled water and biological carbon soil, utilizing recycled water and biological carbon soil to cultivate trees in pots, breaking, disassembling and sorting/separating construction garbage, the old household electrical appliances and dry garbage to obtain renewable energy and renewable materials, and preparing renewable energy into fuel through garbage derived fuel. According to the construction method, the close-loop mode of resources-products-renewable resources is achieved, and household and industrial garbage is changed into treasure and is circularly utilized.

The invention relates to the technical field of computer networks, and especially relates to an ibeacon street lamp and a data transmission system and method based on the ibeacon street lamp. An ibeacon base station is integrated on a street lamp that can be seen everywhere in a city to form the ibeacon street lamp, therefore a huge ibeacon base station network can be formed, accurate locating information of a terminal device can be obtained in an outdoor scene through the ibeacon street lamp, thereby foundation is provided for accurate navigation of the terminal device, and a user can obtain human geography and other information nearby through the terminal device, thereby realizing the conception of intelligent illumination, bringing convenience for urban life and providing a new angle and direction for the development of intelligent city.

The invention relates to an urban life garbage collection-transport-compression comprehensive management method. Through combination use of a wireless positioning technology, a mobile Interne technology, Internet of things technology, etc,. the life garbage collection-transport-compression comprehensive management method remotely transmits data to a data service center, wherein the data includes acollection case spot and state, real time positioning of a collection and transport vehicle, vehicle information, a garbage compression station operation state, a working condition of each working person, an on-site video of each working site, etc,. sets up a comprehensive management platform for environment protection operation, provides a settlement platform between different links of garbage processing, provides a monitoring platform for an environment protection management department and eventually realizes visualized supervision management and accurate control of all environment protection management resources.

The present invention relates to organic fertilizer produced with urban domestic garbage. It is produced with urban domestic garbage as main material and through manual sorting, airflow sorting, magnetic selecting, sieving, adding dilute dung and cake dreg, adding biological catalyst DBG, adding deodorizer EOC, regulating water content, aerobic fermentation, drying and crushing to produce compost powder, adding nitrogen fertilizer, phosphate fertilizer and potash fertilizer, adding trace elements, mixing, granulation and stoving. The pollution-less polyelement organic fertilizer has comprehensive nutrients and is suitable for various kinds of soil.

The invention belongs to the field of sludge processing, and relates to a method for utilizing earthworm to process urban life sludge. The method is executed according to the following steps: (1) adding microbe bacteria strain in life sludge to perform fermentation processing; and (2) selecting one or two (according to a weight ratio of 1:1) of eisenia foetida and bimastus parvus, mixing for reservation; putting earthworm at environment with the temperature of 10 DEG C-20 DEG C and the humidity of 70%-80%, pouring 0.4-0.5 Kg of dewatered sludge into per Kg of earthworm to feed earthworm, and pouring 7 times every day, and performing pouring when poured sludge all becomes earthworm manure. According to the method for utilizing earthworm to process urban life sludge, firstly, the biological technology combining microbe and earthworm is utilized, so that life sludge is relatively well processed; and secondly, life sludge is utilized for earthworm culture, manure drained by earthworm also can be used as organic fertilizer in agriculture and forestry, and earthworm also can be used as protein forage of livestock instead of common animal protein forages such as fish meal, meat meal and the like.

The invention discloses a calculation method for domestic water consumption of urban residents. The calculation method comprises the following steps: according to a water supply pipeline and water utilization behaviors of users, dividing urban domestic water into six water utilization modules including water for kitchens, water for showering, water for washing, water for a washing machine, water for a closestool and water with other purposes; a water inlet pipe of each water utilization module is provided with water utilization metering equipment; a water discharging pipe of each water utilization module is provided with water discharging metering equipment; according to metering data of each set of the water utilization metering equipment and each set of the water discharging metering equipment and a water balance principle, calculating domestic water consumption quantity of the residents and water consumption quantity of each person. According to the calculation method, the urban domestic water of each house is divided into the six water utilization modules according to a laying habit of the water supply pipeline and the water utilization behaviors of the users, and water discharging quantity of the six water utilization modules is metered through the metering equipment respectively, so that the water consumption quantity of urban life is accurately calculated and supports are provided for calculating pollutant discharging quantity of the urban life.