109results about How to "Fast governance" patented technology

The invention discloses an ectopic biological reactor gas-phase extraction/biological ventilation repair device and a method of organic contaminated soil, belongs to the technical field of repair of organic environmental pollutants, and is suitable for the repair treatment of places with target pollutants as volatile organic compounds and biodegradable organic matters and having good soil permeability. The device comprises a biological reactor, a ventilation module, a pollutant monitoring module, a tail gas treatment module, a drip irrigation module, a percolate collecting module and a power supply control system. All module systems are cooperated to realize the ectopic extraction and biodegradation treatment of volatile organic pollutants in the organic contaminated soil; two repair technologies of soil gas-phase extraction and biological ventilation are coupled to realize quick and effective removal of the volatile organic compounds and the biodegradable organic matters in the soil; and the device and the method are simple in equipment installation, reasonable in system design and lower in operation cost, are suitable for the repair of places with higher volatile organic pollutant concentration in the soil, and can realize ectopic quick repair and treatment in place.

The invention relates to a method for restoring ground surface by using the natural breeding of culture got from microbiological crust in desert soil. The invention simulates the natural rule of microbiological crust in soil to make the forming time of high cover rate of crust in desert soil be shortened, which can not only treat sand running in desert fast but also make the development between creatures and environment and creatures in treating area be harmonic in the long run. The invention is of great importance in increasing crust cover rate in desert area, increasing stability of sand surface and reducing surface corrosion.

The present invention relates to a method for controlling desertified land, and starting with the restoring and reconstructing microecologic environment and including the following three steps: (A). making enrichment culture of microbial algae and fungi in the microecologic environment of land block to be controlled; (B) separating out dominant group from them, using modern bio-engineering technique to make large-scale culture, then inoculating the cultured organism into the land block to be controlled; and (C). directly adding nutrient elements necessary for microbial algae and fungi into the land block to be controlled, at the same time planting drought-resistant plants, and utilizing sunshading net to cover and fix then on the controlled land block surface.

The invention discloses a heat energy sustainable utilization and coal fire control system and method for a coal field fire zone. The system is composed of a vacuum liquid tank, a cooler, a cooling fan, horizontal drill holes, a high-temperature-resistant circulating pump, a thermoelectric power generation module, a voltage stabilizing and increasing module, a storage battery and an inverter. The main operating method includes the steps that the coal field fire zone is isolated with a machine excavation method, the horizontal drill holes are formed in the independent coal field fire zone, a heat carrier absorbs heat in the fire zone through the horizontal drill holes to become a high-temperature heat carrier, the high-temperature heat carrier enters the vacuum liquid tank under the action of the high-temperature-resistant circulating pump, and the thermoelectric power generation module at the bottom of the vacuum liquid tank generates power with the temperature difference between the top end and the bottom end of the thermoelectric power generation module. By means of the system, the heat of the coal field fire zone can be cyclically and sustainably extracted through the heat carrier, heat energy is converted into electric energy through thermoelectric power generation, and thus resource waste is reduced; meanwhile, fire source spreading is prevented by isolating the coal field fire zone, the dual effects of waste energy recycling and coal fire control are achieved, and the system has high practicability.

A system for realizing rapid vulnerability sensing, locating and verifying comprises a vulnerability sensing module. The vulnerability sensing module comprises: a vulnerability information collectinglayer, wherein the vulnerability information is obtained from a vulnerability information source through a vulnerability information collecting technology; a vulnerability information pre-processing layer, which pre-processes the vulnerability information obtained by the vulnerability information collection layer and sends the vulnerability information into the vulnerability data storage layer according to the processing result; and a vulnerability data storage layer, which stores processed vulnerability information in the vulnerability database. The invention provides a method and a system for quickly sensing, locating and verifying vulnerability, which can quickly and reliably perceive vulnerability information, and can carry out the locating and verifying of vulnerability according to the vulnerability perceiving result.

The present invention relates to an open-pit mine excavation process, in particular, it relates to an open-pit mining process capable of quickly discharging earth to protect bank and making ecological restoration. It is characterized by that in one end of open-pit mine or its middle said invention adopts a conventional method, if the stripping and mining operation of initial stripping working face is completed, on the deposit mining direction the mining working face can be divided into left side zone, medium zone and right side zone, then they are further divided into several smaller subsections, every subsection can be used as an unit, on every subsection the processes of stripping, mining, backfilling and banking, cultivating-greening or covering with concrete are progressively adopted so as to implement the invented open-pit mining process.

The invention relates to the field of black and odorous water body remediation, in particular to a sediment improving material for a black and odorous water body and a use method, and aims to providea sediment improving material capable of fundamentally eliminating black and odorous phenomena of the water body for the black and odorous water body. The sediment improving material is prepared from1-30 parts by weight of a sediment improving material A and 0.5-10 parts by weight of a sediment improving material B, wherein the sediment improving material A comprises iron powder, carbon powder, aluminium oxide, natural minerals and/or silica; the sediment improving material B comprises calcium nitrate, calcium peroxide and/or chitosan.

The invention discloses a method for joint treatment of lead ion pollution by using carbonate-mineralization microbe-thiobacillus denitrificans. The method includes the steps that nutritional ingredients like fertilizer containing urea and ammonia thiosulfate are applied to soil or a water body; the prepared carbonate-mineralization microbe (0.5*10<8>-5.0*10<8> cfu/mL) is added into the soil or the water body polluted by heavy metal according to the proportion of the soil (0.5-5.0L/m<2>) to the water body being 1:10-1:100; after the carbonate-mineralization microbe is cultivated for 1-5d, the prepared thiobacillus denitrificans with the bacterium concentration being 0.5*10<8>-5.0*10<8> cfu/mL is added according to the volume ratio of the soil (0.5-5.0L/m<2>) to the water body being 1:10-1:100 to be evenly stirred and mixed, and cultivation lasts for 3-15d; and the removal rate of heavy metal Pb2 reaches 83%-99%. The method is low in cost, high in efficiency, easy to implement and broad in application prospect.

The invention discloses an assembling anchor rod or an anchor cable frame, which comprises cross lattices, wherein each cross lattice is formed by a precast split vertical rib and a beam, the middle part of the vertical rib is provided with an assembling groove which is matched with the width of the beam, the span of the beam is placed in the assembling groove of the vertical rib, and is meshed with the vertical rib to be fixedly connected into the cross lattice; and the end parts of the vertical rib and the beam of the cross lattice are respectively and fixedly connected with the corresponding rib and the corresponding beam of the adjacent cross structure into the frame. The assembling anchor rod or the anchor cable frame has convenience in transportation, easiness in construction, good overall performance and vibration resistance, and can realize slope stabilization and quick disease treatment. The assembling anchor rod or the anchor cable frame is applicable to the stabilization and disease treatment of soil, soil like and broken rock slopes, can be matched with an anchor rod (cable) to separately treat the disease of small slopes, and can be matched with other engineering measures to treat the disease of large slopes.

The invention discloses a land rectification method for coal mining subsidence areas in plain areas. The method includes 1, treatment region division; according to the spatial distribution features of earth surface distribution curves, dividing the earth surface moving basin into four treatment regions, namely an edge region, a side slope region, a slope base region and a basin base region from exterior to interior; 2, segmented region treatment; treating the edge region by a field internal flattening method, treating the side slope region by the field internal flattening method when the slope angle of the side slope region is smaller than 5 degrees and treating by a level terrace method when the slope angle of the side slope region is not smaller than 5 degrees, treating the slope base region by the field internal flattening method, and treating the basin base region by the method combing intercepting ditches and pumping stations. The method of 'segmented treatment and partial optimization' is adopted, the steps are simple, design is reasonable, implementation is facilitated, treatment effect is fine, and the earth surface moving basin of the plain area caused by coal mining can be treated effectively.

The invention provides a novel intelligent sewage treatment plant capable of being directly built on a riverway. A proper river section is selected at the upstream of a polluted river; a three-stage stepped dam is built through scientific design and modular combination; a water body purification device, an adsorption facility and an ecological restoration system are arranged in the corresponding dam body; a complex sewage treatment process is simplified and concentrated in a three-stage treatment dam to form an overwater intelligent sewage treatment plant, the polluted river water is directlysubjected to graded rapid purification treatment, and intelligent control, real-time online monitoring, data transmission and remote control are realized in the whole process. The stepped dam design generates water level difference to facilitate water flowing and scouring of a downstream river channel, and is matched with sewage interception of the downstream river channel, so that the polluted river channel is thoroughly treated, and water ecological natural restoration is accelerated. The intelligent river sewage treatment plant can be moved and flexibly reconstructed in other river sections, and is particularly suitable for treatment of polluted riverways with large sewage amount, treatment of urban sewage discharge channels or treatment of watershed pollution.

The invention relates to a magnetic composite algaecide and a usage method thereof, an adsorbent is uniformly dispersed in water and placed into a water bath reaction tank, FeCl3.6H2O and FeCl2.4H2O are put into the water bath reaction tank in the molar ratio of 2:1, rapid stirring is performed, the temperature is controlled to be 60DEG C to 90 DEG C, ammonia water is added after 15-30 min of stirring, the reaction is continued by 2-4 h, and unassembled magnetic nano materials and absorbent are removed by washing so as to prepare a magnetic composite absorbent; the magnetic composite absorbent and a photocatalyst precursor solution are added to the water bath reaction tank, the reaction is performed by 10-24 h at the temperature of 160 DEG C-220 DEG C, the temperature is cooled to the room temperature after reaction, and the absorbent and the photocatalyst are loaded on the magnetic nano materials after washing, magnetic separation and drying. The magnetic composite algaecide can effectively absorb flocculation algae and pollutants such as nitrogen and phosphorus in the water, toxin released by the algae is degraded by the photocatalysis, and the algae treatment efficiency is improved.

The invention discloses a method for treating heavy metal-polluted soil. The method comprises the following steps of 1, heavy metal passivation: sprinkling a soil conditioner to heavy metal-polluted soil to adjust soil pH and passivate heavy metals in the soil, and 2, soil microbe system reconstruction: before crop plantation and/or in crop plantation, spraying a microbe preparation to reconstruct a soil microbe system. The method has simple and easy processes, a low cost and a wide application range, is suitable for popularization, can fast treat heavy metal-polluted soil and is suitable for crop plantation.

The invention discloses a recycling method for a calcium-free chromium slag sintered building block. The recycling method is characterized by comprising the following steps of: preparing calcium-free chromium slag and coke powder in a mass percent of (85%-95%:(10%-15%) into mixed materials; uniformly mixing the mixed materials in a primary mixer and adding water to moisten the mixed materials, wherein the mixture of the mixed materials is controlled to 12%-14%; adding the moistened mixed materials to a secondary mixer for pelletizing, wherein the rotation speed of the mixer is 16-18 revolutions/min, and the pelletizing time is 4 minutes to 5 minutes; distributing the obtained pelletized mixed materials to a sintering cup by a material distributor, wherein the material layer is parallel to the cup port, and the thickness of the material layer is 500mm-650mm; and igniting the mixed materials, wherein the ignition temperature is 900 DEG C to 1000 DEG C, and the ignition time is 2.5 minutes to 3.5 minutes. The sintering and air-drafting negative pressure is 9500 Pa to 10000 Pa, the hexavalent chromium of the chromium slag in the mixed materials is reduced to trivalent chromium, i.e., the reducing product of Cr<6+> finally exists in a stable Cr2O3 form, thereby achieving the recycling of the resources.

The invention discloses a modulation device and method for electric energy parameters at the tail end of a low-voltage line of a power distribution area. The modulation device comprises an overhaul circuit breaker connected to the low-voltage line in series and a modulation circuit connected to the overhaul circuit breaker in parallel. The modulation circuit comprises a PWM rectifier, an inverterand an output circuit breaker which are sequentially connected in series, and a direct-current capacitor is connected between the output end of the PWM rectifier and the input end of the inverter; themodulation device further comprises a central control unit connected with the PWM rectifier and the inverter. The central control unit is used for switching off the overhaul circuit breaker and switching on the output circuit breaker when the low-voltage line is in low voltage, so that the PWM rectifier, the direct-current capacitor and the inverter are connected to the low-voltage line, the modulation device enters a boost working mode, and the low-voltage line is boosted; and when reactive power loss exists in the low-voltage line, the central control unit closes the overhaul circuit breaker and disconnects the output circuit breaker is disconnected, so that the PWM rectifier and the direct-current capacitor are connected to the low-voltage line, and the modulation device enters a reactive power compensation mode.

The invention provides a reclamation method of deserts, which utilizes biomass foam to reforest and reclaim deserts, wherein the biomass foam has the functions of being degradable, absorbing water, conserving water, stabilizing sand, fertilizing, and continuously absorbing natural rain, snow water and dew for a long time, and moisturizing by humidity. The method is characterized by comprising the following steps of: determining a throwing area and a throwing amount in suitable time according to the arid and water-lacking degree, a survival rate requirement of planting grass and trees, and a speed requirement of reclaiming deserts; and throwing, applying and aerially seeding the biomass foam into the deserts to be mixed with surface sand or be buried; planting grass and threes on the ground. The biomass foam absorbs the water which is manually applied and naturally absorbs the natural water to moisturize, so that the water is conserved and the sand is stabilized; after the biomass foam is degraded, the deserts are fertilized, the sand is pasted and stabilized, and the sand quality is improved; the water and the fertilizer which are needed by a plant growing period are supplied so that the survival rate is improved and the comprehensive reclamation of deserts by rapidly reforesting in a large area is realized.

The invention discloses a rapid treatment device with automatically soil turning and spraying functions for heavy metal contaminated soil. The rapid treatment device comprises a fixing plate and a soil turning spraying roller, wherein a pushing handle is arranged on the right side of the upper end of the fixing plate; a first fixing shaft is arranged on the left side of the soil turning spraying roller; a roller body of the soil turning spraying roller is provided with soil turning knifes which are distributed in an array mode, each array-distributed spraying head is arranged at the position,arranged on a gap between the soil turning knives, on the soil turning spraying roller, the inner sides of the spraying heads communicate with communicating pipes, and the inner sides of the communicating pipes communicate with a second liquid passing cavity; a second rotating shaft is fixed to the right side of the soil turning spraying roller, a second fixing rod is arranged on the second rotating shaft, and the right side of the second rotating shaft is inserted into a fixing frame in a penetrating mode; and the fixing frame communicates with a first connecting pipe, the right side of the first connecting pipe communicates with a second connecting pipe, the upper end of the second connecting pipe communicates with a pumping pump, and the left side of the pumping pump communicates with achemical box through a connecting pipe. According to the rapid treatment device, the heavy metal contaminated soil can be rapidly treated, meanwhile, the treated chemicals treat the soil more easilythrough the turned soil, so that the problem that surface caking treatment effect of the soil is poor is avoided.

The invention discloses a preparation method of an ion chelating agent containing polydopamine and an obtained product. The method comprises the following steps: taking magnetic ferroferric oxide microspheres as a core material, and forming a polymer core-shell structure through surface modification and dopamine monomer polymerization; and introducing dithiocarbamate with strong heavy metal ion adsorption and chelation performance into the magnetic core-shell microsphere polymer. The obtained ion chelating agent has magnetism and strong adsorption action chelating sites, is high in adsorption capacity, good in acid/alkali resistance, convenient to operate and good in heavy metal ion separation effect, can achieve rapid treatment in the field of heavy metal ion pollution, and has huge application potential.

The invention relates to the technical field of sewage treatment, and discloses auxiliary equipment capable of automatically adding a chemical agent according to the water flow for sewage purification treatment. The auxiliary equipment comprises a rotating shaft, and is characterized in that a driving wheel is movably connected to the exterior of the rotating shaft, a cutting coil is movably connected to the exterior of the driving wheel, a mounting base is movably connected to the exterior of the cutting coil, a connecting rod is movably connected to the exterior of the mounting base, an adding bag is movably connected to the top of the connecting rod, a balancing weight is movably connected to the interior of the adding bag, kinetic energy of sewage can be converted into mechanical energy of equipment to drive the rotating shaft to rotate, then the adding bag is driven to rotate, the adding bag rotates to apply centrifugal force to the balancing weight, the centrifugal force is transmitted to a reset spring through the adding bag, the reset spring is compressed to deform to drive a push rod to move, and then the chemical agent in a liquid storage bag is sprayed out, so that the effect of automatically adding the adaptive amount of the chemical agent according to the sewage flow is achieved.

The invention discloses a self-adaptive support structure of collapse preventing and treating engineering and a method thereof. The structure comprises a first steel backing plate, a support column, asecond steel backing plate and a self-adaptive top bracing, wherein the first steel backing plate is arranged at the bottom of a dangerous rock body concave cavity; the support column is located on the first steel backing plate; the second steel backing plate is fixed at the top of the support column; the self-adaptive top bracing is fixed on the second steel backing plate; the top of the self-adaptive top bracing is in contact with the top of the dangerous rock body concave cavity. The invention discloses a reasonable and effective method for collapse preventing and treating engineering. Theself-adaptive support structure of collapse preventing and treating engineering is simple and convenient to construct, short in construction period, low in disturbance on the dangerous rock body andflexible and changeable in construction range, and can achieve the permanent treatment effect; the safety of lives and properties of people in the range affected by the disaster can be ensured.

The invention discloses an ultra-stable mineralizing agent and application thereof in remediation of heavy metal contaminated soil. The ultra-stable mineralizing agent is prepared by quickly adding anenvironment-friendly metal ion solution and a precipitant into a micro-liquid membrane reactor; the use process can be implemented in a sowing or slurry spraying mode. The ultra-stable mineralizing agent is slightly alkalescent, does not cause soil acidification, and is very suitable for southern areas with serious soil pollution. Comparing adsorbent, the ultra-stable mineralizing agent preparedby the invention has very high activity; heavy metal ions such as copper, cadmium and manganese in soil can be quickly anchored in crystal lattices of the ultra-stable mineralizing agent in an isomorphous substitution or dissolution-reconstruction mode, hydrotalcite with a more stable structure is formed through mineralization, and the heavy metal ions are extremely difficult to dissociate from the hydrotalcite and are in an ultra-stable mineralization state. Besides, due to the ion radius matching rule, the ultra-stable mineralizing agent prepared by the invention also shows good selectivityand has a very good effect in in-situ remediation of soil heavy metal pollution.

The invention discloses application of electro-catalysis water equipment to soil pollution treatment and a soil pollution treatment method. When the provided soil pollution treatment method is adopted for treating soil pollution, the treating efficiency is high, and sodium chloride, potassium chloride, calcium chloride and other salt do not need to be added in water; the treatment speed is high, high-reducibility electro-catalysis water is used for irrigating the land or spraying plants in a normal state or periodical manner, the purpose of maintaining the land can be achieved, the pH value of soil is increased, the Eh value of the soil is reduced, meanwhile, VOCs is decomposed, heavy metal is treated, and germs are killed out; the treatment method is suitable for various different pollution kinds, different pollution grades and even complex pollution; it is guaranteed that the problem that secondary pollution is left in the soil is solved after treatment; and the treatment economic cost is low and is easily affordable for clients.

The invention discloses a pier collision avoidance structural body and a design method thereof. In order to overcome the defects of the existing pier collision avoidance device, such as high falling damage possibility, noneconomic processing cost, inconvenience in installation and maintenance and the like, the invention first provides the pier collision avoidance structural body. The pier collision avoidance structural body designed by the method belongs to the design of an eccentric structure and comprises an inner pipe and an outer pipe which are connected together with one sleeved inside the other, the inner pipe is eccentrically sleeved with the outer pipe, and the inner pipe and the outer pipe are parallel in the axial direction; a damping material layer is filled between the inner pipe and the outer pipe, and the thickness of the damping material layer is maximum delta in the multiple vehicle collision direction; the inner pipe is connected with a pier through the grouting of a fine aggregate concrete layer; the inner pipe and the outer pipe are optimally connected by an imbrex structure; the outer pipe is round or elliptical. The invention further provides the design method for the eccentric round or eccentric elliptical structural body. The product has the advantages of simple structure, high safety, excellent protection effect, material saving and cost reduction. The principles of the design method are reliable, scientific and simple.