153 results about "Waste dump" patented technology

The invention discloses a model test device for simulating the instability failure of rock and soil slopes under complex conditions, and belongs to the technical fields of geotechnical engineering andmining engineering. The model test device comprises a wind and rain simulation system, an earthquake simulation system, a similar model test system and a monitoring system. Through the adoption of the device, similar model test of rock and soil slope bodies such as waste dumps and tailings dams can be carried out efficiently, and the stability and failure modes of the slope bodies under rainfall,earthquake and the coupling action thereof can be researched and analyzed.

The invention relates to a processing method for rapidly and completely clearing a garbage landfill. With the method, secondary pollution is not occurred. First, a garbage landfill is divided into zones with areas of 1000 to 10000 square meters, and garbage is cleared zone-by-zone. Garbage clearing is carried out by using a comprehensive system with subsystems of an excavation and transportation system, a garbage sorting system, a plastic pyrolysis and distillation system, an organic nutrient soil fertilizer-producing system, and a burning and vapor-producing system, which are related to each other. With the method provided by the invention, an original garbage landfill can be completely cleared and reused, such that a conflict between old garbage landfills and urban construction caused by rapid urban extension can be solved, and a large amount of valuable lands can be saved. The garbage is sorted, such that resources of metals, papers, and plastics can be obtained and reclaimed. With the method provided by the invention, resources that can be utilized are completely turned into resources, wastes are turned into valuable substances, and a pollution problem caused by garbage landfills is eliminated. Therefore, high management costs of garbage landfills are saved. According to the invention, garbage is comprehensively processed, and great economic benefits are generated in each link.

Gases are vented from a waste site such as a landfill, and the gases are separated into at least three streams comprising a hydrocarbon stream, a carbon dioxide stream, and residue stream. At least a portion of the carbon dioxide stream and hydrocarbon stream are liquefied or converted to a supercritical liquid. At least some of the carbon dioxide gas stream (as a liquid or supercritical fluid) is used in a cleaning step, preferably a polymer cleaning step, and more preferably a polymer cleaning step in a polymer recycling process, and most preferably in a polymer cleaning step in a polymer recycling system where the cleaning is performed on-site at the waste site.

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 present invention relates to one kind of underground silo type high temperature aerobic biofermenting deodorizer and its method of degrading organic stench waste compost. The underground silo has ventilating pipes connected to one main ventilating pipe in the bottom, and water filtering ditches communicated to ventilating ditches separately. The organic stench waste is decayed to form compost in the underground silo through the first biologically pre-treatment in the underground silo for 5-8 days and the secondary fermenting in a secondary fermenting unit for 12-28 days. The present invention can obtain compost with rich humus and no bad smell.

The invention discloses a soilless rubbish capping material and an application thereof. The soilless rubbish capping material comprises the following components in parts by weight: 0.1-50 parts of cement, 0.1-10 parts of fibre and 0.1-50 parts of macromolecule binding agent. The application thereof comprises the following steps: mixing the soilless rubbish capping material and water in proportion of 1:0.26-0.032 and stirring uniformly, and evenly spraying the mixed slurry on a rubbish site to form a closed capping surface. The invention has the advantages that: an environmental macromolecule composite is used for replacing covering soil to solve the problem of soil shortage; operation time and labour for covering soil are reduced; total capacity of the rubbish site is increased by about 30% with obvious economic benefit; dust pollution to atmosphere occurred in the landfill process in the rubbish site is obviously restrained; pathogenic bacteria infection caused by foraging birds is effectively controlled; growth and breeding of pathogenic bacteria are effectively controlled; and an anti-flaming material is used for effectively preventing rubbish sites from explosions and fires.

The invention belongs to the technical field of mechanical tests of bulk materials during mining, and relates to a direct shearing test device for rock and earth mass bulk materials under freezing andthawing conditions and a test method thereof. The direct shearing test device comprises a stress loading system, a test piece control system, a cold-heat temperature control circulating system and adata acquisition system. The shear strength, an internal friction angle and a cohesive force c of the bulk materials are obtained by direct shearing experiment analysis of a test sample under different numbers of times of freezing and thawing; a varying rule of the strength of the bulk materials under repeated freezing and thawing is analyzed based on data; important parameters are provided for researching the stability of a side slope of a waste dump of a metal mine in an alpine high-altitude district; in addition, a varying rule of mechanical properties of the bulk materials under differentsize proportions can be also researched, and the mechanical characteristics of the bulk materials at all the levels under different axial stresses can be accurately, conveniently and quickly measuredthrough the test piece control system and the stress loading system; an experiment is simulated in a lab; and the direct shearing test device is easy and convenient to operate and relatively precise in experimental data.

The invention proposes a method for remediation and ecological restoration of a mine dump, which comprises: cutting the mine dump into three levels, the slope height of each level is 8m, the width of the horizontal step is 4m, and the slope ratio is 1:1.9 for the first level respectively. ~2.2, the second level 1:1.6~1.8, the third level 1:1.4~1.5; the surface of the horizontal step is subjected to local foreign soil, and the thickness of the foreign soil is 30cm; the slope surface is grouted and covered with soil; The slope adopts the mortar masonry arch frame, the slope bottom skirt, the drainage ditches on both sides of the slope, and the slope edge; 15cm horizontal planting ditch; sow herbs and native shrubs in the ditch, keep the soil 2-3cm on the surface moist, and maintain and manage it in time; plant cloves on the horizontal step surface of the slope. The invention adopts biological measures and assists certain engineering measures to comprehensively control the soil dump, and the cost is low.

The invention relates to a pest capturing device, in particular to a portable pest capturing device which is combined with a main working cabin and a pest-storing net cabin, etc., which are made from materials such as PVC and arranged with matching negative pressure suction. The device is used for capturing flies, mosquitoes, deerflies and cabbage caterpillars. The device can replace toxic chemical spraying agent such as dichlorvos and dimethoate for killing pests and is applicable to families in urban or suburban areas, guesthouses, restaurants, hotels, hostels, eateries, offices, airplanes, trains, vehicles, ships, dormitories, farms, urban and suburban refuse dumps, environmental hygiene organizations and farmlands all over the world for protecting vegetables, fruits and foodstuff from being contaminated by pesticide residues; the device can effectively capture the pests that harm human beings by spreading cholera, typhoid and destroy farm plants with a speed of capturing 80 to 300 pests per minute, and then distributes the living pests without the chemical contamination of the pesticides to livestock farms for breeding chickens, ducks and fishes as high protein feedstuff so as to realize the aim of stopping general environment pollution, turning harm to benefit and protecting the health of human beings.

The invention relates to a screening method for replacing surface soil of strip mine reclamation and belongs to the technical field of land reclamation and ecological reconstruction and the field of ecological environment materials. The screening method includes the steps that according to detailed geological and occurrence conditions of a stripped overburden rock-soil layer of a strip mine, firstly, the possible soil layers for replacing surface soil are screened out primarily through analyzing geology and rock-soil parameters of all overburden rock-soil layers; then, through analyzing physical, chemical, biological and environmental characteristics of all the soil layers, the soil layer is finally screened out, wherein the soil layer is close to the surface soil in characteristic, the basic soil properties are good, the rate of emergence is high, then a soil conditioner is selected to be mixed with the material for replacing the surface soil to serve as replacing surface soil. According to the replacing surface soil, solid waste treating and strip mine waste dump reclamation can be organically combined, the dual purposes of reducing solid waste and finishing waste dump reclamation are achieved, the solid waste is effectively utilized, the ecological environment is improved, and social, economical and environmental benefits are high.

The invention provides a driving device in a micro-flow pipeline. The driving device comprises a fluid chamber and a channel membrane, wherein the micro-flow pipeline and a vibrating chamber are arranged on the channel membrane; the fluid chamber comprises a recycling hole and an output hole; an input end of the vibrating chamber is connected with the output hole; the micro-flow pipeline comprises a liquid inlet and a liquid outlet; the liquid outlet is connected with the recycling hole; the liquid inlet is connected with an output end of the vibrating chamber; and the vibrating chamber is used for providing power, so that a fluid moves to the recycling hole from the output hole of the fluid chamber via the vibrating chamber and the micro-flow pipeline; and according to the technical scheme provided by the invention, the consumption amounts of samples and reagents are obviously reduced, the surface area of a fluid environment is increased, the reaction efficiency is improved and the environment pollution caused by waste dump generated by experiments is also reduced; high-flux and automatic control of the experiments can be achieved; and moreover, through accurately controlling a fine structure of a micro-valve micropump, great flexibility is obtained in experimental study time and spatial resolution, and huge advantages are also obtained.

The invention discloses a superfine particle tailing reservoir heightening and capacity expanding stacking-discharging structure capable of achieving one-time dam building by adopting a center line method. The structure is formed by combining an original tailing blocking dam (1), a dam abutment flood intercepting trench (12), a first-stage heightening dam body (2), a second-stage heightening dam body (3), a third-stage heightening dam body (4),..., and an nth-stage heightening dam body; a row of medium-coarse tailing drainage blind drains (9) which are parallel to one another and perpendicularto the axis of the corresponding dam body are constructed in the portion on the top layer of each stage of heightening dam body; draining communication pipes (7) and underground water collecting pipes (11) are laid; drainage floral tubes (8) are buried in the medium-coarse sand drainage blind drains (9); and layers of high-strength anti-corrosion geogrid (6) are laid every 0.5-1.0 m of verticalinterval. According to the invention, solidification of fine particle tailings is accelerated, the mechanical strength index of the fine particle tailings is improved and increased, thus, the capacityof a tailing reservoir is remarkably increased, the production service life is prolonged, and meanwhile, the problems that the capacity of parts of waste dumps are not enough, and mining waste rock is stacked are solved.

The invention provides a method for improving compacted yellow clay in an open waste dump. The method includes steps: well mixing sandy soil with the yellow clay according to a mass ratio of 1:1-3:1 to obtain a soil matrix; planting local adaptable plants in the soil matrix; performing inoculation of arbuscular mycorrhizal fungi propagules in the soil matrix at the root of each plant; cultivatingthe plants to realize fungi-plant symbiosis. By mixing of the sandy soil with the yellow clay according to a certain ratio, the method has advantages of convenience and quickness in soil acquisition,extensive sources, low cost and suitableness for quick structural improvement of the compacted yellow clay in the local open waste dump are realized; by inoculation of arbuscular mycorrhizal fungi, the vegetation survival rate and biomass can be increased, soil improvement is realized without negative effects, and the like.

The invention discloses a strip mine waste dump with an ecological step slope structure. The strip mine waste dump comprises a designed waste dump and an ecological waste dump, wherein the ecological waste dump is divided into a plurality of layers of ecological steps; the first layer of ecological step is built firstly, then the width of a one-way road of a mining engineering vehicle and a drainage channel are built on the ecological step, and water is collected into water collecting wells built at intervals along the drainage channel by utilizing the set flowing water slope; and after the first layer of ecological step is built, the second layer of ecological step is continuously built on the first layer of ecological step along the inner edge of the drainage channel, and so on until the last layer of ecological step is built. The ecological steps are formed in a reverse dumping mode, the material compaction effect is good, the sedimentation is small, and the water retention effect is good; the ecological steps can be directly used for driving the vehicle, so that the surface soil layer coverage and ecological restoration construction are facilitated, and the water and soil conservation effect is good; and the drainage channel and the water collecting wells are matched to collect rainwater, so that on one hand, the erosion of rainfall to the waste dump is reduced, and on the other hand, the drainage channel and the water collecting wells can be used for subsequent reclamation irrigation of the waste dump, and the reclamation effect is improved.

This disclosure relates to monitoring and assessing the mechanical stability and fluid accumulation in natural or man-made slopes comprising primarily of unconsolidated material, such as embankments, dams, roads, waste dumps, as well as man-made heaps of bulk materials that may occur in the stockpiling of grains, gravel, stones, sand, coal, cement, fly ash, salts, chemicals, clays, crushed limestone as well as heaps of mining ores, including crushed, milled and / or agglomerated ore, and run-of-mine materials.

The invention belongs to the technical field of ecological environment control and discloses an open pit coal mine rock dump-based waste rock soil formation method for land reclamation. The waste rocksoil formation method is a technique as follows: on the basis of evaluating and calculating lithologic differences and spatial distribution of different sedimentary rocks on a minable seam of an openpit coal mine, staggered excavation and classified stripping are carried out on different types of rocks (waste rocks) on the minable seam; the waste rocks are transported and stacked at different positions of a rock dump (waste dump) in a classified manner; layered compaction is carried out; and existing weathered coal, carbonaceous shales, shales, mudstones and the like of the open pit coal mine are stacked on a surface layer to replace soil for land reclamation, and are mixed and fermented with kitchen wastes and household wastes of mine workers for nutrification and organification, thereby completing waste rock soil formation. A treatment method for waste rock soil formation, waste rock reclamation and household waste harmless treatment of the workers for green mining is achieved; a novel soilless land reclamation mode for land reclamation of the open pit coal mine is innovatively formed; and the waste rock soil formation method has great environmental effect, economic effect andsocial effect.

The invention provides a strip mine mining boundary and mining program collaborative optimization method under a complex coal seam condition. The optimization method comprises the steps that a miningboundary model and an external dumping site boundary model are constructed; constructing a three-dimensional geological model; determining a mining program scheme; determining a production stripping ratio, compiling a strip mine stripping and mining project progress plan, and determining a stripping project position and a project amount of each year; planning each engineering position in the stopeand the flow direction and flow of each stripped object, and optimizing the utilization scheme of the internal and external waste dump; the service range of each mining process of stripping and coalmining and a process system arrangement scheme are optimized; and determining an optimal mining procedure. By means of the optimization method, synchronous collaborative optimization can be well conducted on the mining boundary and the mining program, operability is high, the stripping mining cost of the strip mine can be remarkably reduced, and meanwhile coordination of stripped object discharging and dumping site planning can be guaranteed.

The invention provides a closed-loop type garbage digesting and saline-alkali soil sandy land repairing and garbage dump in-site repairing method. The method comprises the steps that garbage is classified firstly; micropopulation in the bovine rumen is added, fiber in garbage is rapidly decayed, and starch type garbage is rapidly decomposed; after rapid decomposition and decaying, the mixed thermophile colony for high-temperature degrading of starch and proteins and decomposing of wood fiber is added for continuous fermentation, and the lactic acid bacteria colony is added for metal removal. After desiccation, a soil repairing agent made of plant ash is added; the salt and alkali sandy soil is treated; and the prepared soil repairing agent is sufficiently mixed with soil, and soil is repaired. According to the method, a pollution source can be eradicated from the source, and the garbage is turned into wealth and is beneficial to returning to the nature.

The invention discloses a biological deodorant. The biological deodorant comprises the following components in parts by weight: 75-80 parts of biological vinegar, 15-20 parts of citronella extract and 3-5 parts of mandala extract, wherein the wood vinegar is prepared by distilling wood branches at high temperature; the wood vinegar is purified by filtering out tar by using a ceramic membrane and filtering out 50% of water by using an RO membrane; the citronella extract and the mandala extract are extracted by a nonlinear extracting machine. The biological deodorant is suitable for deodorizing a livestock farm, a garbage dump, a toilet, a pet house and human feet, and is safe, thorough and effective to deodorize.

The invention relates to an automatic synthesis treatment system to produce biogas with garbage and sewage and plant, which comprises: loading the material into a container to send into the pretreatment pond for heating and adding quick lime; then, sending the container into a sealed biogas generating pit for fermentation; then, pouring out the material from container on the sludge separation pond for separation. The advantages of this invention include: full automatic or semi-automatic running; need little land; need not big repair for 20-30 years; reducing energy consumption and labor greatly; well economical benefit; and solving the health and safety problem for garbage go-no-go worker.

The invention relates to the field of chemical engineering, and relates to a control system of a solid garbage degradation device. The control system of the solid garbage degradation device comprises a garbage gas stratified sampling device, an automatic garbage gas sampling device, a garbage gas analyzer, a water supply pipe, a water injection pump, a ground penetrating radar, a water content controller and a central processor, wherein the water supply pipe is provided with a plurality of water through holes, and is arranged in a garbage dump; the water injection pump is connected with the water supply pipe; the ground penetrating radar is connected with the input end of the water content controller; the output end of the water content controller is connected with the water injection pump; and the central processor is connected with the garbage gas analyzer, the water content controller, and a gas extracting pump and a gas injection pump in the garbage dump respectively. The control system of the solid garbage degrading device provided by the invention not only can monitor gas content in a garbage degradation reaction process, but also can monitor the water content; and the control system provided by the invention achieves the aim of improving the degradation efficiency through controlling more conditions in the garbage degradation reaction process.

An apparatus for cleaning waste collection systems of solid materials. The apparatus is capable of cleaning waste systems in two known ways. First, a pumping method uses normal and injected water flow to suspend the solids in a slurry. A submersible pump moves the slurry from a collection point up to a pressurized container where the water content of the slurry is decanted and reused as injection water while the particulate material settles to the bottom of the pressurized container. Second, a vacuum system may be used to move the slurry from the waste system to the waste container. The vacuum system creates a negative pressure differential, causing material to be pulled through a vacuum tube and into the waste container. When the container becomes substantially full of solid particles, it may be emptied at a dumpsite.

A method, apparatus and computer program for pit mining with waste dumping is disclosed, in which material is extracted from an open pit and some of that material is sent to waste. The method optimises a joint extraction and waste refill schedule. The method defines a road network (14) having a plurality of nodes 16 with at least some of the nodes (16a) defining entry points to a plurality of waste dumps. The waste dumps are either in pit waste dumps or external waste dumps. Waste material is moved along the road network from a location in the pit to an entry node relating to one of the wastedumps and deposited at the waste dump. Material can be moved from external waste dumps to in pit waste dumps. The in pit waste dumps are determined from a block model providing a joint extraction andrefill schedule, and refill aggregate spaces are determined which comprise aggregates of blocks which have already been mined so that material is removed from those blocks to define a refill aggregate space which is then available to act as a waste dump for return of waste material to the pit.

The invention relates to the technical field of garbage can management, and discloses an urban and rural garbage can intelligent management system with a route planning function. The system comprises:a plurality of groups of garbage cans; a sanitation worker monitoring module used for positioning the position of a sanitation worker; a garbage dump monitoring module which is used for monitoring the treatment condition of a refuse treatment plant; and a real-time monitoring management platform, wherein a positioning chip, a sensor, the sanitation worker monitoring module and the garbage dump monitoring module are all electrically connected with the real-time monitoring management platform and feed monitoring information back to the real-time monitoring management platform; the system further comprises a route planning module, and the route planning module is electrically connected with the real-time monitoring management platform and feeds monitoring information of the real-time monitoring management platform back to the real-time monitoring management platform. According to the urban garbage can intelligent management system, a garbage can cleaning line can be reasonably planned, sanitation workers are preferentially arranged to treat full-capacity garbage cans, urban sanitation work is more effective and convenient to a certain extent, and the working intensity of the sanitation workers is effectively relieved.

The invention aims at the problems of the comprehensive exploitation and resource utilization of a wasteyard, in particular the ancient wasteyard in which urban waste is buried or accumulated, and discloses a comprehensive exploitation system of the wasteyard. The comprehensive exploitation system comprises sieving equipment for sieving the waste, a sorting machine for treating materials on a sieve after the sieving and a mixing device for treating materials under the sieve after the sieving; the mixing device is connected with brick making equipment by a transportation tool; the sorting machine is connected with a pulverizer; then, the pulverizer and a dewaterer for treating sludge are connected to another mixing device together; the mixing device is output to pressing equipment, an airing place and backfilling equipment; and the pressing equipment, the airing place and the backfilling equipment are connected by transporting equipment. The invention also discloses a method for comprehensively exploiting the wasteyard; and with the system and the method, the waste is effectively treated; and simultaneously, the problems of the urban land and the consumption of a building material are relieved.

The invention provides a mining scheme optimization method based on an open-pit mine partitioned mining process. The optimization method comprises the following steps that S1, an ore deposit geological model, a stope dump current situation model and resource mining conditions being analyzed; S2, determining the form and parameters of the slope; S3, optimizing the shape and parameters of the side slope of the refuse dump; S4, delineating a mining boundary, dividing mining areas and determining a mining sequence scheme; S5, determining a mining and discharging scheme of the end slope of the current mining area and the end slope of the adjacent mining area; S6, determining a stripping and mining program, a mining interval transition connection scheme and a stope, and making a waste dump construction and development plan; and S7, compiling a mining and discharging project progress plan and an implementation scheme. The method is advanced in technology, economical, reasonable, safe and reliable, and the purposes of shortening the transportation distance, reducing the stripping ratio and reliably continuing the productivity can be achieved.

The invention discloses a WEPP-based near-natural remodeling method of a waste-dump slope of an opencast coal mine. The method includes the following steps: natural-mountain-body-slope topographic-feature extraction; natural-mountain-body-slope topographic-feature analysis; waste-dump slope section design; soil composition design of a waste-dump slope surface layer; and construction of a waste-dump slope surface vegetation system. According to the method, through research, it is found that when slope height and curvature are unchanged, design of a slope surface contour can be optimized throughchanging proportions of a convex portion of the slope in horizontal and vertical directions, thus key positions of platform arrangement are quickly found, the arrangement number of platforms or obstacles is decreased, then an actual engineering construction amount is decreased, and project costs are saved. The method starts from a concept of near-natural remodeling, follows principles of landscape ecology, remodels the waste-dump slope according with watershed erosion characteristics of a region environment where the same is located, has great significance for promoting ecological environmentrestoration of a waste-dump slope region, and has a certain aesthetic value.

Disclosed are an intelligent system for ecological restoration and conservation of a large-scale mine. The large-scale mine includes a waste dump (1). The intelligent system includes a first water-resisting layer (2), a plurality of second water-resisting layers (3) and third water-resisting layers (4) arranged inside the waste dump (1); the first water-resisting layer (2) is rectangular and is horizontally arranged inside the waste dump (1); the second water-resisting layers (3) are square water tanks which are arranged evenly above the first water-resisting layer (2); and the third water-resisting layers (4) are arranged in the surrounding slopes close to the waste dump (1). According to the intelligent system for ecological restoration and conservation of the large-scale mine, intelligent online monitoring is realized through designing the mining and dumping manners, increasing water-preservation devices, and choosing appropriate plant species according to the coal mining rule, so that the intelligent ecological restoration and conservation of the mine are achieved.

The present invention provides a safety evaluation method of slag dump based on fuzzy comprehensive analytic hierarchy process, which comprises the following steps: step A, investigating and summarizing main influencing factors of safety of slag dump, and establishing a hierarchical structure model; step B, respectively establishing a factor set and a weight set according to that hierarchical structure model, and adopting a 9-scale method to calculate the weight of the factor evaluation index; step C, establishing an evaluation grade set according to the practical experience of soil and waterconservation design and construction; step D, determining a membership function and a fuzzy evaluation matrix of each influence factor evaluation index; step E, comprehensively evaluating the safety of the slag dump according to the result of the analytic hierarchy process and the evaluation grade set. The present invention is based on fuzzy theory and chromatographic analysis theory, combined with design and construction practice experience, and combines qualitative and quantitative evaluation to evaluate the safety of slag dumping site. The evaluation result is reasonable and reliable, and has certain innovation. The present invention is simple in operation and easy to be applied in practice, and provides a new method and idea for safety evaluation of slag dumping site.

The invention relates to the technical field of disinfectants, in particular to a disinfection deodorant and a preparation method thereof. The disinfection deodorant at least comprises the following preparation materials in percentage by mass: 0.1-10% disinfectant; 0.1-5% of organic acid zinc salt; 0.5-5% of a synergist; a pH regulator which is used for regulating the pH value to 6.0-8.0; and the balance of water. According to the technical schem, the prepared disinfection deodorant has disinfection and deodorization functions at the same time; the finished product is liquid, is convenient to use, and can be used for garbage cans, toilets, wasteyards, pet feeding places, animal feeding places and the like; and odor causing discomfort to people is reduced.