32 results about "Ground water pollution" patented technology

The invention provides a method for ecological remediation on an acid tailing pond. By removing acids from soil, and by laying nonwoven cloth and a sealing layer, good partitioning is achieved, and byfurther laying a water reservation layer and a coated seed layer, the purpose of re-greening an acid tailing pond is achieved. The method has the beneficial effects that rainwater can be reserved tothe maximum extent, the sealing layer is capable of preventing the rainwater from infiltrating into tailings, the problems of underground water and ground water pollution can be substantially solved,the construction method is simple, and the construction cost is low; by using a seed coating technique, a set of rapid nursery stock breeding technique is formed, a stable ecological remediation system is cultured, the target of completely re-greening woody plants within 90 days is achieved, and environment problems of acid tailing ponds are solved for good.

The invention relates to the field of underground water pollution treatment through a biological method, in particular to a preparation method and application of a hydrochloric ether anaerobic degradation microbial inoculum. The preparation method comprises the following steps of: a) acquiring a culture medium, wherein the culture medium is a mixture of a basic mineral inorganic salt culture medium and additionally added trace element liquid, vitamin liquid and trichloroethylene, the concentration of the trichloroethylene is 0.9 mM to 1.3 mM, and the culture medium is subjected to anaerobic and sterile treatment; and b) inoculating river sediment containing hydrochloric ether into the culture medium, culturing in a dark place until trichloroethylene is converted into ethylene, taking out part of culture, inoculating into a new culture medium, and repeating the operation until the culture medium is changed for 8-14 times in total, thereby acquiring the hydrochloric ether anaerobic degradation microbial inoculum. The microbial inoculum prepared by the invention not only considers the toxicity control of products in the whole process of bioconversion of hydrochloric ether, but further considers the range diversification of hydrochloric ether types repaired by using a hydrochloric ether repair microbial inoculum.

The invention discloses an entrained-flow bed coal gasification fine slag black water multi-energy-field synergistic efficient dehydration method which comprises the following steps: treating gasifiedfine slag obtained from a gasification furnace through a venturi scrubber to obtain black water, and concentrating the black water in a concentration tank; pumping the black water into a vacuum forcefield dehydration system, and performing dehydrating to obtain a filter cake; conveying the filter cake to a vibration and pressure coupling force field dehydration system through a belt conveyor forfurther dehydration; conveying the filter cake to a hot flue gas drying system through a belt conveyor for further dehydration, and carrying out heat exchange on the filter cake and hot flue gas forfurther dehydration; mixing water removed by the vacuum force field dehydration system into factory water for recycling; and conveying a filter cake obtained by the hot flue gas drying system to a power boiler section for blending combustion and decarburization with raw coal. According to the method, the low-moisture filter cake capable of meeting transportation and pulverization requirements is finally obtained, the problem of soil and underground water pollution caused by filter cake landfill is reduced, and meanwhile efficient and clean utilization of coal-series solid waste resources is achieved.

The invention discloses a site pollution characteristic factor identification and monitoring index optimization method based on data mining, and the method comprises the steps: firstly carrying out the preprocessing of underground water pollution data of a polluted site, which is obtained in advance; secondly, constructing a self-organizing mapping neural network model, and carrying out a series of data mining tasks such as data dimension reduction, correlation analysis and visual analysis after model training is completed; secondly, further performing unsupervised clustering learning on the self-organizing mapping classification result by adopting a K-means algorithm to achieve identification of characteristic factors; and finally, adopting a strategy of firstly classifying and then grading the pollution indexes, and optimizing the later monitoring process of the indexes. Technical support can be provided for polluted site data monitoring, data analysis and decision-making management,site pollution characteristic factors are identified through data mining of a polluted site, meanwhile, monitoring indexes are optimized, and finally the purpose of reducing site monitoring cost is achieved.

The invention discloses a PRB module for underground water pollution restoration, which comprises a permeable wall, a permeable reaction belt, an injection well and a monitoring well, wherein the permeable wall is used for adsorbing and isolating solid pollutants, the permeable reaction belt is arranged at the bottom of the permeable wall, two ends of which are connected with the two ends of the permeable wall, the cross-section is of a circular arc shape, a plurality of injection wells are arranged in the permeable reaction belt, and a reaction processing unit is arranged in the injection well; the permeable wall provided by the PRB module for underground water pollution restoration has the advantages that parts of the pollutants are attached to the PRB active filler column, the permeablereaction belt is in a circular arc shape so that the reaction area with the ground water pollution is increased; the reaction processing unit is arranged in the injection well, so that the underground water passing through the permeable reaction belt is restored, meanwhile, the PRB active filler column is detachably arranged below a mounting bracket, therefore the replacement is convenient, the replacement difficulty and the cost are reduced.

The invention discloses an in-situ reagent injection remediation method for soil and underground water pollution. According to the invention, integrated equipment is adopted for in-situ reagent injection remediation, and the equipment comprises a power system, a detection system, an injection system, a dispensing system and an auxiliary system, wherein the power system comprises an engine, a powercontrol mechanism, a gearbox and a generator; the detection system comprises a probe, a feeler lever and a computer; the injection system comprises an injection pump, an injection rod, an injection head, an injection control mechanism, an injection hydraulic device and an injection trolley platform; the dispensing system comprises a reagent dissolving tank, a stirring mechanism, a reagent addingand metering mechanism and a dispensing trolley platform; and the auxiliary system comprises a rod piece box, a crawler chassis, a downward-pressing hydraulic device and a downward-pressing mechanism.According to the method, a set of the integrated equipment is used for in-situ reagent injection remediation of soil and underground water pollution, so remediation efficiency can be improved, and time and capital cost are saved.

The invention belongs to the technical field of information networks, and mainly relates to an underground water intelligent supervision platform based on a three-dimensional geological model. The underground water intelligent supervision platform comprises a spatial database which is used for the uploading, storage and management of underground water monitoring data, a three-dimensional visualization system which is used for three-dimensional data uploading, stratum and drilling data three-dimensional display and three-dimensional water level surface visualization display, a monitoring systemwhich is used for monitoring data statistical analysis, dynamic analysis and pollution map functions, and a management system which is used for background management, user management and updating maintenance. According to the underground water intelligent supervision platform, a pollution center can be quickly found through plane interpolation processing of water quality monitoring data and three-dimensional display of water level monitoring data, the relative position and stratum where a monitoring well is located can be clearly found in combination with an overground oblique photography model and an underground three-dimensional geologic model, the underground water pollution causes can be found easily, and an all-around basis is provided for underground water treatment and restoration.

The invention relates to a drilling water taking device for underground water pollution prevention and curing. The drilling water taking device for underground water pollution prevention and curing comprises a base, a movable plate, a spiral packing auger, a drill bit, a driving mechanism, an intermittent transmission mechanism, an adjusting mechanism and a lifting assembly. The base is provided with a through groove, the movable plate is movably arranged on the base, the movable plate is further movably provided with a hollow rotating rod, and a limiting block is fixed to the rotating rod; the spiral packing auger is fixedly mounted on the rotating rod; the drill bit is fixedly installed on the rotating rod and matched with the through groove formed in the base, the drill bit is hollow, and holes are formed in the two sides of the drill bit; the driving mechanism is movably arranged on the movable plate and is connected with the rotating rod; the intermittent transmission mechanism is connected with the driving mechanism; the adjusting mechanism is movably arranged in the drill bit and is matched with a hole formed in the drill bit; and the lifting assembly is movably arranged on the base and is connected with the movable plate.

The invention which provides a house refuse separation processor relates to the technical field of material separation technologies. The house refuse separation processor which comprises a separation case is characterized in that: the upper end of the right part of the separation case is provided with a pulverizer; the right end of the separation case is connected with a large power fan; the lower end of the separation case is provided with material separation ports; the separation case has a long cylindrical shape; and the number of the material separation ports is not less than three. The house refuse separation processor of the invention has the advantages of simple structure and reasonable design; and compared with the prior art, the house refuse separation processor of the invention, which utilizes a case that refuses of different densities have different drop points under the effect of same wind force, allows the various substances of different densities in the house refuses to be separated, so it is convenient to further process and recycle the house refuses. The land waste and the ground water pollution caused by the refuse landfill are avoided, and the pollution of the refuse burning to air is simultaneously avoided, so the refuse processing with the house refuse separation processor of the invention causes no secondary pollution.

The invention discloses a dynamic pollution source positioning method, and belongs to the technical field of contaminated site remediation. The position of a soil pollution source is accurately locked mainly by taking the pollutant as a tracer agent and cooperating with system classification, computer simulation tracking, geophysical prospecting and hydrogeology technologies of the underground water pollutant. The treatment key points and the priority are determined in the pollution remediation scheme, the pollution source can be removed preferentially, diffusion of pollution is effectively restrained, pollution of underground water disappears rapidly, and regional remediation engineering is omitted.

The invention provides a ground water vulnerability evaluation result check method and can check validity and reliability of a ground water vulnerability evaluation result. The method comprises steps that a), a vulnerability zone with highest concentration of pollutant and a vulnerability zone with lowest concentration are determined; b), an average pollutant concentration of each ground water vulnerability grade is determined; c), a correlation degree between pollutant concentration and a ground water vulnerability index is calculated; d), through variance statistics F check, a statistical magnitude F value is determined; and e), the ground water pollutant concentration and the ground water vulnerability evaluation result are divided into same-quantity grades, an absolute value of a grade difference value is calculated; according to the a), b), c), d) and e) steps, comprehensive comparison and analysis on the ground water vulnerability evaluation result is carried out, and an evaluation result is reliable. The method is advantaged in that the method is applicable to the ground water environment science and ground water pollution risk management field.

The continuous kitchen waste impurity removing and recycling device comprises a shell, a screening cavity is formed in the left side of the interior of the shell, the bottom end of the screening cavity communicates with a liquid collecting cavity, a smashing cavity is formed in the right side of the screening cavity, and a through groove is formed in the upper end of the inner wall of the left side of the smashing cavity in a penetrating mode; and a feeding port penetrates through the top end of the inner wall of the left side of the screening cavity. According to the kitchen waste crushing and recycling device, through combination of a sieve plate and a through groove, recyclable solid waste in kitchen waste can be sieved and guided into a crushing cavity, through combination of a driving motor, a rotating rod, a crushing roller, an electric telescopic rod, a push plate, a discharging opening and a second sealing plate, the solid waste can be crushed and recycled, energy is saved, and the environment is protected; through the combination of the collecting box and the liquid discharging hole, residual roots and leftovers in kitchen waste can be recycled, the cost can be saved when the kitchen waste is used for raising chickens, through the combination of the liquid collecting cavity and the liquid discharging pipe, sewage and cooking liquor can be collected for unified treatment, and underground water pollution is avoided.

The invention provides an iron-based nano material for in-situ remediation of heavy metal polluted underground water as well as a preparation method and application of the iron-based nano material, and belongs to the technical field of underground water pollution treatment. The iron-based nano material is prepared from nano zero-valent iron, nano ferroferric oxide, an antioxidant and activated carbon, and the mass ratio of the nano zero-valent iron to the nano ferroferric oxide to the antioxidant to the activated carbon is 10: (1.5-2.5): (3-7): (3-7). By adopting the iron-based nano material provided by the invention, the problems that the nano zero-valent iron is easy to oxidize and agglomerate and the magnetism is weakened are solved.

The invention discloses an underground water monitoring and emergency disposal device. Well body, the well body is composed of a first unit well body, a second unit well body and a third unit well body. Bases are arranged below the first unit well body, the second unit well body and the third unit well body; a fixing groove is formed in the base; the fixing groove is connected with a transverse supporting bolt; the transverse supporting bolt is connected with the fixing bolt through a screw; permeable nets are symmetrically arranged on the front side part and the rear side part of the well body; sequential supporting grooves are symmetrically formed in the left side and the right side of the well body; controllable valves are installed on the two sides of the fixing bolt. The controllablevalve is used for fixing the fixing bolt on the smooth bearing groove; a pipe body is arranged in the center of the well body and provided with a first controllable pipe, a second controllable pipe and a third controllable pipe, the underground water pollution degree of each section can be monitored in real time, a taken water sample has representativeness, emergency treatment can be carried out according to the pollution degree, detection equipment is not prone to blockage, parts are convenient to replace, and the problem that the detection equipment is difficult to treat after blockage is completely eradicated.

The invention relates to the technical field of environmental protection, and provides an underground water pollution detection device. The device comprises a sensor interface circuit connected with amain control circuit, and the sensor interface circuit comprises a signal conversion circuit and an amplifying circuit which are connected in sequence, wherein the input end of the signal conversioncircuit is used for being connected with a water quality detection sensor; the output end of the amplifying circuit is connected with the main control circuit, the signal conversion circuit comprisesa resistor R41, an operational amplifier U5A, an operational amplifier U5B and an operational amplifier U4A, one end of the resistor R41 is connected with the current output end IN1 of the water quality detection sensor, the other end of the resistor R41 is connected with the current output end IN2 of the water quality detection sensor, and one end of the resistor R41 is further connected with theoperational amplifier U5A; and the other end of the resistor R41 is connected with the inverting input end of the operational amplifier U5B. By means of the technical scheme, the problem that in theprior art, an underground water pollution detection device is poor in detection precision is solved.

The invention discloses an ozone advanced oxidation system for in-situ extraction treatment of underground water. The system comprises an ozone preparation device and an oxidation reaction device. Ozone prepared by the ozone preparation device can be switched to be introduced into an injection well at a water return prevention tank of the oxidation reaction device for ozone in-situ oxidation or introduced into an ozone reaction tower of the oxidation reaction device, the ozone reaction tower is filled with a catalyst filler, and the ozone reacts with sewage pumped into the ozone reaction tower under the catalysis of a catalyst so as to remove pollutants. The ozone advanced oxidation system is reasonable in structure and convenient to operate, the treatment modes of in-situ injection and extraction treatment can be flexibly switched according to different site conditions, and the treatment efficiency of remediation of underground water pollution by an ozone oxidation process is remarkably improved.

The invention discloses intelligent underground water pollution treatment equipment. The equipment structurally comprises a first intercepting roller, an underground water channel, a second intercepting roller, a turning linkage structure, a motor and a grid plate, wherein the grid plate is arranged at one end of the underground water channel; the first intercepting roller and the second intercepting roller are arranged on one side of the grid plate; the second intercepting roller is positioned between the grid plate and the first intercepting roller; the turning linkage structure is arrangedbetween the same ends of the first intercepting roller and the second intercepting roller; the end, where the turning linkage structure is located, of the first intercepting roller is mechanically connected with the motor. The first intercepting roller and the second intercepting roller realize forward and reverse rotation through the turning linkage structure; convection flushing is achieved, greasy dirt is directly caked and can be fished more easily, if the greasy dirt intercepted by the first intercepting roller floats upwards again, the greasy dirt can be intercepted by the second intercepting roller, the greasy dirt intercepting effect is further improved, and pollution to underground water due to downward seepage of the greasy dirt is avoided.

The invention provides a distributed portable photocatalysis unit based on an ultraviolet light catalysis technology, the distributed portable photocatalysis unit based on the ultraviolet light catalysis technology is excavated out of an outer well to be buried in an underground water pollution layer, and the distributed portable photocatalysis unit based on the ultraviolet light catalysis technology specifically comprises a water inlet chamber, a mixing chamber, a reaction chamber, an ascending chamber and a power chamber which are communicated in sequence, the mixing chamber is provided with a medicament inlet through which a mixed medicament enters the mixing chamber, the reaction chamber is internally provided with an ultraviolet lamp and a catalytic filler, and the ultraviolet lamp emits ultraviolet light to excite the catalytic filler to carry out photocatalytic reaction with underground water mixed with the mixed medicament so as to remove pollutants. The characteristics of efficient underground water pollution treatment, flexible arrangement and convenience in carrying and transferring can be achieved.

The invention relates to an environment-friendly method for repeatedly using a residual vegetable soil covering and burying treatment site. The method specifically comprises the following steps: (1) selecting a residual vegetable treatment site; (2) repairing an approach road; (3) earth work of the soil covering and burying treatment site for the rotten vegetable leaves; (4) pulling and transporting the rotten vegetables; (5) soil covering and burying operation of the rotten vegetable leaves; (6) post-maintenance of the treatment site; (7) detecting odor, soil heavy metals, pesticide residues and soil moisture of the treatment site; and (8) repeatedly using engineering measures in a treatment site. The method provided by the invention has the beneficial effects that a large-quantity, rapid, low-cost, simple and feasible efficient treatment technology for the rotten vegetable leaves is provided, and the effects of rapidly treating the rotten vegetable leaves in a large quantity, inhibiting the emission of soil odor, avoiding soil heavy metal and pesticide residue pollution, avoiding underground water pollution and improving the repeated use effect of a treatment site are realized.