253 results about "Urban living" patented technology

The invention discloses a biologic organic fertilizer and a preparation method thereof. The technical problem is solved, so that the prepared biologic organic fertilizer has multiple functions and high efficiency. The biologic organic fertilizer comprises the following raw materials in part by mass: 600 to 1,000 parts of major ingredient A, 30 parts of fermentation culture body, 50 parts of ammonium sulfate, 50 parts of calcium superphosphate and 50 parts of magnesium aluminum silicate powder, wherein the major ingredient A is livestock excrement and/or urban living garbage. The preparation method comprises the following steps of: uniformly mixing 600 to 1,000 parts of major ingredient A, 30 parts of fermentation culture body, 50 parts of ammonium sulfate, 50 parts of calcium superphosphate and 50 parts of magnesium aluminum silicate powder, stacking, fermenting and rotting for 20 to 25 days. Compared with the prior art, the invention has the advantages that: a large quantity of regenerative organic waste resources are used; the waste is turned into wealth; and the biologic organic fertilizer prepared by a pollution-free treatment method of a comprehensive biologic technology is applied widely, so that the sustainable development of agricultural and ecological environments is promoted.

The invention relates to a composite admixture used in concrete that incineration fly ash of urban living garbage, fly ash, slag powder and natural mineral powder are taken as the main raw materials and a preparation method thereof, and pertains to the technical field of building material preparation technique. The composition and weight percent of the composite admixture in the invention are: incineration fly ash, 10-30%; fly ash, 20-40%; slag powder, 30-50%; and natural mineral powder, 5-15%. The composite admixture of the invention can replace 30-50% of use volume of the cement in concrete; the prepared concrete can not only improve the grade of the grains of the concrete system, but also improve fluidity, cohesiveness and moisture capacity of concrete mixture, and can improve slump constant, anti-sulfate performance and anti-carbonization performance of the concrete; and the durability performance of the concrete can also be improved. The waste such as incineration fly ash, industrial slag, and the like, can be recycled, thus being in favor of environmental protection, and saving cement, sources and energy.

This invention relates to a preparation method for microbial colony used for effectively treating urban living sewage and sewage sludge in river bend, lake, marsh enclosed or semi-enclosed water areas. The said method includes the following steps: collecting and culturing of engineering initial bacterial strain, enrich mixed culture of bacterial strain, acclimatized culture of engineering bacteria and expanding culture of acelimatized bacteria. It this invention found is from the microbial growth and metabolic mechanism a preparation method of microbial colony which can high-effectively and high-adaptively treat various sewage sludges.

The present invention discloses a method for removing the hydrogen sulfide from the gas containing the hydrogen sulfide and for recycling the sulfur element with the catalytic oxidation effect, and discloses a device thereof. A catalytic oxidation system consisting of iron ion and ethylenediamine tetracetic acid is used, so that the hydrogen sulfide is transformed to the sulfur element so as to be removed from the air stream containing the hydrogen sulfide; the hydrogen sulfide removing rate reaches 99.9 percent. The method of the present invention not only can be used for removing the hydrogen sulfide in the gas from the manure processing field, the urban living garbage transshipping station, the public toilet, the sewage treatment plant, the solid waste processing field, the oil refining plant and the animal dead-body sanitary processing field, but also can be used for removing the hydrogen sulfide in the fuel gases such as the marsh gas, the land-filling gas, the natural gas, etc. During the treatment process, except the useful sulfur element is produced, no other product that influences the environment is produced.

The invention discloses a household garbage fine separation and complete recycling comprehensive treatment process and relates to a process for treating household garbage. According to the household garbage fine separation and complete recycling comprehensive treatment process, urban household garbage which is collected in a centralized manner can be recycled in a plurality of manners and enters all recycling systems, a plurality of products are produced and returned to the urban for use, and recycling, maximum reduction and harmlessness of the household garbage are truly and completely achieved. The household garbage fine separation and complete recycling comprehensive treatment process comprises following steps of bag breaking, leaching and material storage of the household garbage; separating, wherein waste plastic, unrecyclable combustible materials, organic matter, inert inorganic matter and ferromagnetic matter are separated out; treatment of the separated matter; collecting and treating of garbage leachate and waste water; collecting and treating of waste gas or bad smell; and treating of the noise.

The invention discloses a fixed enrichment method for city life compost heavy metals through modified nanocarbon. The fixed enrichment method comprises the following steps: modifying the modified nanocarbon with the grain diameter of 20-70nm before being applied so as to obtain various types of modified nanocarbon; then sealing a layer of cotton cloth and a nylon net at the lower end of a PVC (polyvinyl chloride) tube, uniformly and proportionally mixing garbage compost with the modified nanocarbon, wherein each tube is filled with150g of a mixed material; setting the temperature during experiments to be 19-27 DEG C and the relative humidity to be 60% to 72%, and supplementing water for the compost every day, so that the content of water of the compost reaches about 70% of field moisture capacity; sampling 45d for cultivation later, and carrying out morphological analysis on the heavy metals, wherein the addition of the modified nanocarbon is 1-5%(w/w) of the weight of the garbage compost. Experimental results show that the modified nanocarbon is added so that the contents of the heavy metals in a residual form are increased, the conversion of the compost heavy metals from a plant easily-absorbed state to a difficultly-absorbed state is promoted, and the method provides a basis for the application of the modified nanocarbon on passivation and plant enrichment of the heavy metals in garbage compost.

The invention discloses a denitriding and dephosphorizing method in the course of immobilized phycomycete coupling membrane separation and a device to carry out the same. The method comprises the following steps of: firstly, COD, nitrogen and phosphor in sewage are treated through anaerobic digestion and aerobic aeration, then the sewage enters a membrane separation device, sludge are stopped and condensed water reflows to anaerobic and aerobic slots, and finally water through a membrane component enters the immobilized algae cell treating device and is discharged after nitrogen and phosphor are further removed. The invention comprises a device consisting of an anaerobic slot, an aerobic slot, a membrane separation slot and an immobilized algae cell fluidized bed. The method is simple, the device is stable in operation, and the operation cost is lost, high in COD and nitrogen and phosphor removing efficiency, can be widely used for urban living and industry sewage treatment with obvious economic, environmental and social benefits.

The invention provides a production method of a culture substrate especially for landscape plants, comprising the following step of: composting dewatering sludge, wood flour and waste decoction dregs according to the mass ratio (by wet weight) of 3: 0.5 to 2: 1 to 3 as main materials to obtain the culture substrate especially for landscape plants, wherein the dewatering sludge is sludge that is from an urban living sewage treatment plant and dewatered till the water content reaches more than 90 percent. The main composting accessory adopted in the method, namely, the waste decoction dregs in a Chinese medicine factory contain a plurality of microelements that are beneficial to plant growth, have larger porosity, can accelerate the fermentation process of the sludge composting, improve the property of the substrate product, play a slow-release role to fertilizers applied in soil, and is suitable for the development of soilless culture substrate simultaneously, thereby being a more suitable sludge composting accessory.

The invention relates to a garbage disposal method, in particular to the garbage disposal method which takes original urban living garbage, wastes after the carbon-containing industrial and agricultural production and processing and high-grade raw coal as main raw materials and obtains a finished product fuel by carrying out the deodorization, the sterilization, the rough sorting, the first breaking, the dehydration, the drying, the second breaking and the material preparation, adding desulfurizer, antichlor, denitrogenating agent, activator, ignition agent and combustion improver for matching and carrying out the mixing, the stirring and the high-temperature forming.

The invention relates to a method for separating the life plastic waste, and relative device, wherein it comprises that: transmitting waste, breaking waste and wind selecting. The invention is characterized in that: the wind selection uses two-stage wind selection, with screening, weight change, as waste transmission, waste breaking, first-stage wind selection, screening, weight change and second-stage wind selection. The light waste, via broken, first-stage wind selection and vibration screen will be transmitted to weight changer, to immerge and squeeze the plastic and paper, to change their specific weight; and the second-stage wind selection will separate them. The invention can effectively separate plastic and paper, with low cost.

The invention discloses a sewage purifying method of ecological canal, which is characterized by the following: blending urban living sewage and agricultural drainage to dispose through rough grid, grit catcher, fine grid, microbe disposing pond, acidifying hydrolytic pond and windmill aeration aero-tank; intercepting the mixing of gravel and agricultural drainage after contacting the oxidizing bed; filtering through composite dielectric; purifying in the adsorbing bed layer to obtain the drainable water.

The invention provides a composite microbial biogen capable of degrading organic waste efficiently and a preparation method and applications thereof. The composite microbial biogen contains Bacillus circulans, Bacillus subtilis, Alcaligenes faecalis and Penicillium diversum. The composite microbial biogen can be used with activated sludge for the existing sewage treatment equipment; under the synergetic effect, the yield of excess sludge can be greatly reduced, the aims of emission reduction and energy saving can be realized and the sludge problem which is difficult to overcome for a long time in sludge treatment is effectively solved; and the biogen has importanct economic importance and environmental importance and is suitable for each sewage treatment plant. The composite microbial biogen can also be used to prepare organic wastewater purifying agents, activated sludge enhancers of urban domestic wastewater and deodorants used in tipping sites, public places, agricultural product market, kitchens, bathrooms and the like.

The invention discloses an intensive nitrogen-phosphorus removing membrane biological reaction device and a sewage treatment method. The intensive nitrogen-phosphorus removing membrane biological reaction device comprises an inverted A/A/O (anoxic/ anaerobic/aerobic) reaction pool; the inverted A/A/O reaction pool comprises an anoxic/anaerobic pool and an MBR (membrane bioreactor), wherein multiple guide plates are arranged in the anoxic/anaerobic pool, and the anoxic/anaerobic pool is divided into an anoxic area and an anaerobic area from bottom to top; the anoxic area is communicated with a water inlet pipe, and the anaerobic area is communicated with the MBR; an aerobic area guide plate, an MBR assembly and packing are arranged in the MBR; a mud outlet at the bottom of the MBR is mixed with a mixed liquid outlet at the upper part of the MBR and then is respectively communicated with the anoxic area and anaerobic area of the anoxic/anaerobic pool through corresponding branch pipes; and a water outlet of the MBR assembly is communicated with a water producing pipe. The intensive nitrogen-phosphorus removing membrane biological reaction device and sewage treatment method disclosed by the invention are reasonable in space layout, and can further reduce the energy consumption, therefore, the device and method disclosed by the invention are especially applicable to the treatment of decentralized sewage of urban living communities, hotels, restaurants, office buildings, shopping malls and the like.

The invention relates to a technology for treating living garbage, in particular to a complete production process for changing the living garbage to garbage renewable coal products. The urban living garbage is firstly sent to a designated garbage place for collection; then coarse visible inert materials and iron and steel metals are removed through the scratch, the vibration selection and the magnetic selection pre-treatment, after that, a coarse breaker is used for carrying out the coarse breaking of the garbage till less than 50mm; the coarsely broken garbage is extruded and dehydrated, a deodorant, a bactericide and sulfur fixing and chloride fixing substances are added after the dehydration, the even mixing is carried out in a stirrer; then the high-temperature drying by a tunnel kiln is carried out, the fine breaking is carried out after the drying, the particle size of the garbage is controlled to be within 20 meshes at the stage, an ignition agent, a combustion improver, a preservative, a adhesive, and the like, are added after the fine breaking, the even mixing with the garbage particles after the fine breaking is carried out in the stirrer; finally the coal is prepared by extrusion forming, the shape and the dimension can be achieved in the pass design of a template.

The invention relates to a method and a device for drying pretreatment on municipal domestic refuse by municipal domestic refuse incineration technology. The invention adopts the technical proposal that the method comprises: incinerating the municipal domestic refuse, removing dust of the municipal domestic refuse, taking fume guided out of a fume extractor as a heat source for drying the domestic refuse, and utilizing the fume residual heat to dry the domestic refuse to be treated. The device and the method have the advantages that: 1) high-temperature fume generated from incineration is utilized to dry the domestic refuse, thereby fully recycling the heat energy, and having no influence on the steam generation amount and electricity generation amount synchronously; 2) the high-temperature fume generated from incineration is utilized to dry the domestic refuse, thereby reducing moisture in the refuse, improving 300 to 400 kacal/kg of lower heating value of the refuse, reducing auxiliary fuel addition amount, and reducing operation cost; and 3) after the refuse is dried, because partial moisture in the refuse is discharged, the total amount of the incinerated refuse is reduced, the scale of a incinerator can be reduced, and equipment investment is reduced.

The invention relates to the field of sewage treatment and purification, in particular to efficient environment-friendly sewage treatment and purification equipment. The equipment comprises a filter chamber, a crushing chamber, a centrifugalization chamber and a treatment and purification chamber which are connected end to end in sequence through pipelines; the filter room is used for conducting preliminary filtration on large-particle dirt; the crushing chamber is used for conducting crushing and secondary filtration on middle-particle dirt; the centrifugalization chamber is used for making sewage centrifuged, substances heavier than water deposit, and substances lighter than water float on the water surface; the treatment and purification chamber is used for filtering tiny impurities in water and collecting generated waste gas. The equipment can be used individually or by combining multiple sets of the equipment according to the sewage treatment capacity, connection with an original drainage system pipeline is easy and convenient, the equipment can be widely applied to urban living communities, villa areas, hotels, restaurants, schools, hospitals, tourist attractions, troops, barracks, islands and rural-urban fringe zones which are small in number and large in area and places such as middle and small towns which are not suitable for building large sewage treatment plants, distributed sewage treatment stations are built, and sewage and sludge comprehensive treatment is achieved.

The invention discloses a garbage thermal cracking treatment technology which comprises the following steps: (1) coarse crushing; (2) magnetic separation; (3) sieving; (4) fine crushing; (5) drying; (6) thermal pretreatment; (7) high temperature cracking. The garbage thermal cracking treatment technology disclosed by the invention is reasonable in design of working procedures and simple in structure, and can be used for effectively treating city household garbage and solving the problem of environmental pollution caused by the city household garbage; products, such as coke coal, tar and combustible gas, obtained from city household garbage treatment, can be collected and recycled; the garbage thermal cracking treatment technology creates new economic benefits, fully meets the requirements on reutilization, harmless treatment and reduction of garbage, and realizes zero release of garbage treatment and maximum benefit of reutilization of garbage treatment products.

The invention discloses a waste transfer station for an urban underground logistics system and a transfer method of the waste transfer station. The waste transfer station is composed of an underground waste compression station, an ultra-deep transfer shaft and an underground transportation station, wherein the waste compression station located in an underground shallow layer space is connected with the transportation station located in an underground deep layer space by the transfer shaft; and the transportation station is connected with an interval tunnel of the underground logistics system. In the waste transfer station, urban household waste is discharged in the underground waste compression station and compressed into containers, the containers fully filled with the urban household waste are transferred to the underground transportation station through the ultra-deep transfer shaft by a gantry crane, and after the containers are placed in transportation box bodies, the transportation box bodies are output by an underground transportation pipeline. According to the waste transfer station, in combination with the process features of waste compression, boxing, storage, lifting and underground transportation, according to the waste compression transfer process, the underground logistics transportation capability and the storage requirement, the layout and the size of the waste transfer station are determined, and the complete underground intensification of an urban household waste collecting and transporting system is realized.

The invention provides a composite light brick manufactured by utilizing municipal solid waste incinerated ash and a preparation method thereof. The composite light brick consists of the following components in percentage by weight: 60-80 percent of municipal solid waste incinerated bottom ash, 5-10 percent of cement, 5-10 percent of expanded perlite, 2.1-5 percent of additive and 2-20 percent of filler, wherein the additive consists of the following components in percentage by weight: 0.5-1 percent of triethanolamine, 0.1-1 percent of sodium chloride, 0.5-1 percent of sodium nitrite and 1-2 percent of polyethylene fiber. According to the preparation method, the step of preparing the municipal solid waste incinerated bottom ash is finished in a water environment. The composite light brick has good crack-resistant and impervious effects, and the municipal solid waste incinerated bottom ash is prepared by utilizing a water cycle system, so that the prepared municipal solid waste incinerated bottom ash is high in cleanliness, and the transport cost of the raw materials in the preparation process is saved; and therefore, the energy is saved, and the production cost is reduced.

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 discloses an external heat-insulating composite layer for external walls and the external insulation system of external walls. The mineral cotton boards of composite layer is bonded on the external wall through the binding mortar, the rivet components for reinforcing inserts the external walls through the mineral cotton boards, the outside of mineral cotton boards is equipped with glass fiber grid fabric, and the decorative layer is installed on the outside of glass fiber grid fabric. Mineral cotton boards could be rock cotton board, silicate cotton board or glass cotton board. The external insulation system of external walls is the main body of the building out walls, the edgings of windows and doors use mineral cotton board heat-insulating composite layer and the other parts use the prior heat-insulating composite layer. The invention uses the mineral cotton boards belonging to inorganic materials as the main structure of external heat-insulating layer, so the external heat-insulating layer has many advantages of not combustion, stable thermal resistance properties, not contraction and '' breathing '', it overcomes the defects of organic foaming materials effectively, in addition it can also reduce the noise pollution caused by traffic significantly and the wide use of it can improve the urban living environment effectively.

The invention belongs to the field of sorting devices, and particularly relates to a sorting device and a technical method before the incineration treatment of urban household garbage. A feeding apparatus, a plate conveyer, a bag breaker and a PK chain conveyer are connected with an adjustable bar vibrating screen in sequence; an oversize product discharge opening of the adjustable bar vibrating screen is connected with a charging opening of a drum screen; an undersize product discharge opening of the adjustable bar vibrating screen is connected with a charging opening of the breaker; an oversize product discharge opening of the drum screen is connected with a feeding conveying belt of a positive-pressure wind separator; an undersize product discharge opening of the drum screen is connected with a charging opening of a second magnetic separator. The invention provides the sorting device and the technical method before the incineration treatment of the urban household garbage, through which an apparatus is used for replacing manual hand picking to sort a large article when the urban household garbage is sorted, meanwhile, a flexible entanglement can be also sorted out, the labor intensity of a worker is decreased, the occurrence that the apparatus is entangled is reduced, and the work efficiency of a sorting line for the urban household garbage is improved.

The invention discloses an equipped device for enhanced hydrolysis and anaerobic digestion of urban living organic garbage for producing biological fuel gas, comprising a water storage tank, a raw material adjusting tank, a temperature-increasing hydrolysis tank, a medium-temperature anaerobic digestion reactor, an ultra-high temperature enhanced hydrolysis reactor, a high-temperature anaerobic digestion reactor, a sedimentation tank and a digestion liquid storage tank which are sequentially communicated, wherein a digestion liquid outlet at the bottom of the digestion liquid storage tank is communicated with a digestion liquid inlet at the top of the raw material adjusting tank through a conveying pipeline; a sludge discharge port at the bottom of the sedimentation tank is connected to a raw material inlet of a solid-liquid separator, and the digestion liquid outlet of the solid-liquid separator is communicated with the digestion liquid inlet at the top of the digestion liquid storage tank; the equipped device further comprises a digestion residue storage tank for receiving digestion residue after solid-liquid separation by the solid-liquid separator; and a crushing machine is further equipped on the raw material adjusting tank. The equipped device has the advantages of low cost, easy maintenance, stable and reliable performances, high removal rate of organic matters, high gas production rate of raw materials and thorough removal of pathogen in the garbage.

The invention provides an urban living garbage treatment method which comprises a separating working procedure, a smashing working procedure, a solid fermentation working procedure, a washing and cleaning working procedure, a methane fermentation working procedure and a fertilizer making working procedure, so that natural gas and an organic fertilizer product can be obtained. In a sorting step, a three-stage rotary type sorting machine is adopted, so that fermentable organic substances and non-fermentable inorganic substances can be efficiently and rationally sorted. During methane fermentation, a heatable heat preservation fermentation tank is adopted, so that the methane fermentation efficiency and the methane fermentation quality are improved. By the urban living garbage treatment method, a complete treatment and recycling effect is achieved; and the urban living garbage treatment method is high in efficiency, environment-friendly and high in social and production benefits.

The invention relates to a method that burning and fly-ash city life waste with heavy metal stabilization which provides a chemical medicine stabilization technique. First selecting vitriol treatment, or natural aging method, or forced aging method to adjust the fly-ash pH to 9-11; then, mixing the fly-ash and the stabilizing medicine uniformly with the mass percentage in 50-80:1, to be stored for 8 hours, to complete the heavy metal chemical stabilization. The invention adds the pH adjust treatment, to reduce the soak possibility, transform the CaO into the compound with lower reaction property, to confirm the stabilization effect, and reduce the medicine cost. The invention has simple process and reliable operation.