306results about How to "Achieve governance" patented technology

The invention belongs to the technical field of river water body pollution control and in particular relates to a multiple-element compound flocculating settling agent and the application of the multiple-element compounded flocculating settling agent in arsenic pollution water body treatment. The multiple-element compounded flocculating settling agent is prepared by compounding malysite, aluminium salt, hypermanganate, polyacrylamide and aqueous solution. The multiple-element compounded flocculating settling agent can be applied in the arsenic pollution water body treatment to remove arsenic in the arsenic pollutant water body. The concentration of the arsenic in the treated water can meet or is superior to the specified requirement of three types of water on the arsenic concentration in the national earth surface water environment quality standard (less than 0.05 mg / L). The invention also can be used for removing heavy metals such as copper, chromium, cadmium, lead and the like in water by sedimentation. The multiple-element compounded flocculating settling agent can be used together with a multiple-element compounded metal oxide arsenic removal setting agent in static or flowing arsenic pollution water body treatment for removing the arsenic in the water body polluted by arsenic.

The invention relates to a micro-algae industrialization production device and a method of producing the micro-algae, which belong to the engineering field of the micro-algae culturing and the technical field of the environmental protection. An air-pushed type photobiology reactor unit device is an annular shallow pond built by bricks and concrete, an isolation wall with both ends opened is built in the shallow pond, a liquid drainage pipe and a liquid replacement pipe are arranged in the air-pushed type photobiology reactor unit device, an air inlet pipe is fixed on the isolation wall in the middle part of the air-pushed type photobiology reactor unit device and is connected with a plurality of L-shaped branch pipes, a plurality of micro blowholes are arranged on side walls of the transversal pipes of the branch pipes, the whole air-pushed type photobiology reactor unit device is covered by agricultural film and is provided with a skylight, to form an enclosed type photobiology reactor. The device combines the individual advantage of the open type photobiology reactor and the enclosed type photobiology reactor, by adopting the industrial waste gas and the eutrophication surface water or the industrial wastewater as the main raw material to perform micro-algae culturing in a large scale, especially to culture the micro-algae with high oil percentage, to provide the large or medium sized bio-diesel factory with raw oil, and simultaneously the emission reduction of carbon dioxide and the treatment of polluted water body are realized.

The invention relates to a circulation well method for removing pollutants in underground water. The circulation well is arranged in a polluted place and is in a continuous plum-blossom-shaped, square or hexagonal layout according to soil property, pollution level and radius of influence on soil by equipment. The circulation well is characterized in that 1-N water wells of which the diameter is not smaller than 100 mm and the depth is greater than one meter are drilled, and treatment processes of aeration, air stripping, extraction and dosing are performed to treat the polluted water in the well, wherein the air stripping treatment process: the well water (i.e. underground water) is lifted to the top of the well and is then sprayed downwards through a spray head; in the aeration and extraction treatment processes: the in-well aeration and the air-emptied extraction increase the air-liquid mass transfer interface and enhance the air stripping effect, and the dissolved oxygen content in the underground water is increased in the in-well aeration process, so that the polluted water is placed in an aerobic environment; and in the dosing treatment process: according to different pollution levels and pollutants, oxidizer, a microbial preparation, ozone or / and flocculant are added at an air inlet A of a high-pressure air pump for aeration or in a special dosing pipe.

The invention discloses a desert control method of a chemical sand-fixing greening technology based on organic composite materials, and the desert control method is characterized in that hydrophilic polyurethane resin curing agent solution is sprayed on a sand or soil layer of greening objects for sowing the vegetation for forming a porous fixed sand layer. The fixed sand layer formed by the method has appropriate thickness and strength, good durability, good anti-freeze and melt properties and functions of water retention, thermal insulation, ventilation, vegetation and the like. According to the method of the invention, the stable and effective solidifying can be carried out on sand even under the specific desert environments of no abundant groundwater sources and strong wind erosion, and the purpose of vegetation greening can be also realized. The method has large-scale construction properties and good economic performances, thereby being applicable to the needs of large-scale chemical sand fixing and vegetation greening of the vast desert and realizing the plant greening function and the ecological restoration and the control of desertified land.

A process for reclaiming the humic acid in the percolated liquid of garbage includes such steps as filtering, regulating pH=1.0-5.5, adding flocculant, fast stirring, settling, depositing, separating to obtain humic acid, adsorbing and filtering supernatant, regulating pH=6-8, and reusing it to garbage burying field.

The invention discloses a co-phase power supply device and a traction power supply system. The co-phase power supply device comprises a first MMC (modular multilevel converter) valve and a second MMC valve. One end of the first MMC valve is coupled to a first power supply arm of a traction transformer, the other end of the first MMC valve is connected with a return wire, and the first MMC valve is used for converting AC (alternating current) voltage of the first power supply arm of the traction transformer into DC (direct current) voltage; one end of the second MMC valve is coupled to a second power supply arm of the traction transformer, the other end of the second MMC valve is connected with the return wire, and the second MMC valve is used for inverting DC voltage transmitted by the first MMC valve into AC voltage which is identical to the second power supply arm of the traction transformer in amplitude and phase. By means of inter-transmission of active energy of the two power supply arms on sides of the traction transformer, negative-phase sequence current can be eliminated, the capacity utilization rate of the traction transformer can be maximized and electric split-phase of a traction network can be eliminated; the MMC valves compensate idle power and harmonic waves of the two power supply arms, and the increase of risk of overhigh harmonic waves of devices such as capacitors, SVCs (static var compensator) and SVGs (static var generator) can be avoided, so that the co-phase power supply device can be applied to comprehensive treatment of power quality of traction transformers.

The invention discloses a synchronous desulphrization and denitration method of flue gas pyrolusite pulp for reclamation. The method mainly comprises the following steps: pyrolusite, water and metal-chelator are prepared into pulp which is taken as an absorbing agent; sulfur dioxide and nitrogen oxides in the flue gas are synchronously absorbed and removed by the absorbing agent; the flue gas is discharged when the purification reaches a standard; the primary product of the mixed mother solution of manganese sulfate and manganese nitrate is obtained after absorbing tail solution is purified; and by utilizing the different solubility of manganese sulfate and manganese nitrate at same temperature, the mixed mother solution is heated firstly to cause the manganese sulfate therein to be crystallized and separated, next, the left mother solution is cooled to cause the manganese nitrate therein to be crystallized and separated, and the left solution is returned to preparation pulp for recycling. No waster water is discharged in the whole process, thereby achieving the purposes of controlling waste by waste, recycling sulfur resources and improving the comprehensive utilization value of pyrolusite. The method is characterized by high desulphrization and denitration efficiency and manganese utilization rate, little secondary pollution, obvious economic benefit and the like.

The invention discloses a comprehensive treatment and resource utilization technology of 2-naphthol production wastewater. In the technology, the 2-naphthol production wastewater is directly acidified, and the discharged SO2 gas is absorbed and recycled by alkaline liquid; after the desulfurization wastewater is filtered to remove insoluble substance, two-level extraction is performed by use of acomplexing extracting agent; the extract phase is subjected to stripping by alkaline liquid, and the regenerated extracting agent is circularly utilized; the first-level strip liquor is cooled and filtered to obtain naphthalene sulfonate solid which is reused in a 2-naphthol hydrolysis naphthalene blowing process; the filtrate and the strip liquor of the second-level extraction are transferred toan evaporation system for evaporation concentration and then fed to a water reducing agent synthesis process; and the evaporation condensate water and the raffinate phase of the second-level extraction are subjected to oxidation flocculation treatment to reach the standard. The technology disclosed by the invention has reasonable design and treats the 2-naphthol production wastewater while realizing resource utilization of the wastewater.

The invention provides a spray seeding matrix which is prepared from main materials and assistant materials. The main materials comprises the following materials by mass: 8-12 parts of soils for planting, 6-9 parts of turfy soils, 1.2-1.8 parts of straws, and 1.2-1.8 parts of attapulgite powder; the assistant materials is mainly composed of polyacrylamide and organic fertilizers. The greening method for saline land adopting the spray seeding matrix comprises: uniformly applying a mixture selected from one or more of desulfurized gypsum, calcium superphosphate, cow dung, and humic acid on the soil surface, forming a simple improvement layer, covering a mixture selected from one or more of furnace ash, wheat bran, sawdust, barks and straws on the simple improvement layer to form a saline-alkaline separating layer, and covering the spray seeding matrix on the saline-alkaline separating layer. The method for saline land greening is simply operated, and the plants in the modified saline land grow fine.

A resource treatment of p-aminophenol production waste water is carried out by regulating pH of p-aminophenol production waste water, filtering, selectively removing p-nitrochlorobenzene and p-nitrophenol etc. organic impurities from hydrophobic macro-porous resin, selectively adsorbing and recovering p-aminophenol from sulfoacid composite modifying resin, obtaining colorless transparent outlet water, after advanced treating the outlet water for diaphragm electrolysis requirement, recovering sodium chloride of waste water, eluting hydrophobic macro-porous adsorbing resin from organic solvent, desorbing sulfoacid composite modifying adsorbing resin from dilute acid and water, recovering p-aminophenol from high-concentrated desorbed liquid, and applying mechanically for next de-sorption from low-concentrated desorbed liquid. It achieves less organic pollution and resource utilization.

The invention relates to a method of treating sexavalent chrome waste water by ion exchange resin, which belongs to the technology of treating the sewage with chrome. The resin used in the method is the polystyrene acyl amidocyanogen weak-base ion-exchange resin. Treating waste water containing chrome by use of the resin includes the following steps that: waste water containing chrome is pretreated to remove the infusible impurities; and then, pretreated waste water passes through the exchange post filled with the ion exchange resin in a flow rate ranging from 3BV / h to 6BV / h in room temperature; the absorbed resin is reproduced by use of the alkali solution with mass fraction ranging from 2 percent to 10 percent, and sexavalent chrome is recycled. After being treated by the invention, the concentration of the sexavalent chrome in waste water drops from 3500mg / L to 0.5mg / L, which can be discharged in comply with the standard; by reproducing, the recovery rate of the sexavalent chrome reaches up to 90 percent to 95 percent, thereby realizing recovering and comprehensively utilizing the resources while treating the waste water.

The invention discloses a method for extracting humus acid from concentrated waste percolate and treating waste water, comprising the steps of adding coagulant into the concentrated waste percolate, stirring uniformly, adding coagulating agent, settling for 40 to 60 min, subsiding, separating to obtain supernatant, adjusting the PH value of supernatant to be 1.0 to 3;.0, settling for 4.0 to 8.0 h, subsiding, separating, concentrating the sediment to acquire high-concentrated liquid humus acid, and discharging after treating with advanced oxidization technique, wherein the coagulant is polymeric aluminum sulfate, polymeric ferric sulfate or polymeric ferric chloride and the coagulating agent is polyacrylamide. Treating the waste water with the method, the overall removing rates of COD and TOC are respectively above 96% and 97%, and the separated humus acid is semi-solid content which can be used as organic fertilizer to realize the comprehensive use of concentrated waste percolate and the treating target of treating pollution and changing waste into valuable.

The invention discloses a method for achieving visualization of power grid information system business data. The method comprises the steps of establishing a hardware platform, circulating data, standardizing calculation, monitoring and governing the data quality, establishing a visual platform, carrying out customization displaying and the like. The method has the advantages that a data channel for showing the power grid information system business data from a source business system to large screen is established, the circulation and calculation of the business data are achieved, and the data can be generated again according to displaying requirements. The quality of the business system data is monitored and governed through a data resource management assembly, and movable monitoring and track processing can be carried out. According to the visual platform, a display platform for the power grid information system business data is provided, and core business data are visualized and shown on the large screen.

The invention relates to a unified power quality control device employing a resonant electronic switch, and belongs to the technical field of power electronics and flexible alternating current transmission and distribution. The device comprises the resonant electronic switch, a voltage source converter, an energy storage unit and a master control system, wherein the master control system consists of a master controller and a plurality of sensors; the resonant electronic switch comprises a group of inductors Lr1 and Lr2, a group of capacitors Cr1 and Cr2 and a group of bidirectional thyristors T1; a branch formed by connecting the bidirectional thyristors T1 in series with the inductor Lr2 and the capacitor Cr1 is connected in parallel with the inductor Lr1; and a parallel branch formed by Lr1, Lr2, Cr1 and T1 is connected in series with the capacitor Cr2. A method comprises the steps of judging various power quality faults and controlling the device to quickly switch and operate among four modes. The device has the advantages of simple structure, low cost, high overload resistance and high operation efficiency.

The invention relates to a method for removing SO2, NOx, heavy metal and particle of waste gas, wherein it comprises: using the common-temperature absorb liquid of nitrifying bacteria and sulfur oxidizing bacteria, in the biological absorb tower A, to be reacted with the waste gas, to transfer SO2, NOx, heavy metal and particle to liquid phase; then feeding the liquid and electric carrier to the anaerobic reactor B; under the condition that the pH value is 6.0-9.5, the temperature is 45-65Deg. C and the CODGr / S is 2-10, reducing sulfur into passive-two sulfur, reducing nitrogen into nitrogen gas, and transforming the heavy metal into sulfide deposition; then feeding the reacted water to the aerobic reactor C; under the condition that the pH value is 6.0-9.5, the temperature is 20-40Deg. C and the dissolved oxygen is 1.5-5mg / L, oxygenizing the sulfur selectively into single sulfur; the liquid separated from single sulfur is refluxed as the absorb liquid; for confirming there is enough nitrifying bacteria in the absorb liquid, keeping adding nitrifying bacteria.

An anchoring-sprayed prop for controlling water in constructing underground engineering features direct use of anchorage and spraying concrete. Its construction technology includes such steps as drilling weep holes, setting up weep pipes, primary spraying, drilling anchor holes, installing anchor rods, hanging net, spraying again, blocking drainage pipes, and curing. If the bed rock encounters fault, it is necessary to spray concrete for the third time.

The invention relates to a control compensation system of quality of electric energy of a magnetic suspension train, which comprises a passive filter bank and an active power filter which is connected with the passive filter bank in series through a transformer; a bypass inductor is also connected on the transformer in parallel; and the system also comprises a high-order passive filter which is connected with the passive filter bank and the active power filter in parallel. The active power filter is controlled into a reverse harmonic current source to enable the fundamental reactive current to mainly pass through the inductor, the transformer and the inductor reduce the capacity of the active power filter, the active power filter and the passive filter bank together filter the harmonics, and the high-order passive filter mainly filters the high-order harmonics which can not be filtered by the active power filter and the passive filter bank. The compensation system is connected to the 20kV side of a bus in a tractive power supply system of a high-speed magnetic suspension train to shorten the distance between a compensation point and a point of common coupling (PCC), thereby shortening the length of a coupling line, further weakening the amplification effect on harmonics and voltage fluctuation by the circuit, and improving the quality of electric energy.

The invention provides a method for recycling hexavalent chromium in electrolytic manganese production tail end wastewater, which comprises the following steps of: filtering electrolytic manganese production tail end wastewater and adjusting pH to be between 3 and 4; enabling anion exchange resin to adsorb Cr<6+> in the wastewater by an exchange column filled with the anion exchange resin under the conditions of the temperature of 10-50 DEG C and the flow rate of 3-6BV / h; when the anion exchange resin is saturated after adsorbing Cr<6+>, using NaOH as a regenerant and regenerating the anion exchange resin by the exchange column under the condition of the flow rate of 3-4BV / h. By utilizing the method of the invention, after the electrolytic manganese production tail end wastewater is processed, the discharge water is colorless and transparent and the chromium ion concentration approaches zero and is far lower than a discharge threshold value specified by the nation. Meanwhile, chromium ions in the wastewater can be separated and recycled, and the recovery rate is not less than 99 percent, thereby realizing effective control of the wastewater and recycling of resources and having obvious environmental, economic and social benefits.

The present invention relates to water conservancy engineering, especially the tackling of seasonal riberbed and river course. The present invention is characterized by that subsiding stepped water accumulating river with subsiding dams is constructed without changing the cross section area and flood discharging runoff and the water accumulating riverbed is lowered gradually from the upstream to the downstream. The stepped water accumulating riverbed makes it possible to utilize water comprehensively for beautifying environment, preventing riverbed desertification, regulating air humidity, maintaining ecological balance and safety discharge flood.

The invention discloses a covered light-shading film / enzyme / microbial inoculant combined technique for treating blue-green algae in rivers, lakes and reservoirs by combining water surface covered light-shading films with a biological enzyme and a microbial inoculant. According to the characteristic that photosynthesis is needed by the growth of the blue-green algae, a light-shading technique of the covered light-shielding film is adopted for blocking the photosynthesis of the blue-green algae by completely or partially covering the rivers, lakes and reservoirs to be treated respectively by using the two or more layers of perforated light-shading films; furthermore, the microbial inoculant is used for decomposing, absorbing and converting eutrophic substances according to the eutrophicationenvironment needed by the growth of the blue-green algae, thus changing the eutrophication state; the biological enzyme is used for destroying the protein of blue-green algae living bodies, thus achieving the effects of killing the blue-green algae and inhibiting the growth of the blue-green algae; the biological enzyme and the microbial inoculant are used for cracking, decomposing and absorbingalgal toxin produced after the death of the blue-green algae. The technique provided by the invention is safe and efficient, and has remarkable social and economic benefits.

The invention discloses a microbial remediation method of a heavy-metal-contained waste residue stockpiling site. Hazardous wastes containing heavy metal of lead, zinc, cadmium and the like are used for serving as culture media, sulfate reducing bacteria are subject to domestication, the survival capacity and the environment adaptation of the sulfate reducing bacteria in the hazardous wastes containing heavy metal of lead, zinc, cadmium and the like are improved, various kinds of nutrient substances are added to enable the sulfate reducing bacteria and bacillus subtilis to be mixed to reinforce restoration of the soil, the pollutant is rapidly removed, and the soil crop planting capacity is restored.

The embodiment of the invention discloses a data processing method, device and system, and the method comprises the steps: obtaining a to-be-analyzed side chain block in a side chain, and enabling data of the to-be-analyzed side chain block to comprise service field information and father node field information; calling service data corresponding to the side chain block to be analyzed from a service system database according to the service field information, and comparing the similarity between the service data and the service data corresponding to each side chain father node block; if the similarity meets a preset threshold value requirement, determining father node field information of the side chain block to be analyzed according to the service field information of the side chain fathernode block with the similarity meeting the preset threshold value requirement; if determining that the to-be-analyzed side chain block is a side chain father node block, uploading service field information of the to-be-analyzed side chain block to a main chain; and enabling the main chain to receive the service field information uploaded by the side chain and generate a main chain block corresponding to the service field information.

The invention belongs to the field of information technology of big data sharing services and discloses a data application sharing platform and method. Therefore, data can be rapidly obtained. The data service capability and the visualization capability of query statistics and analysis reports are dynamically generated. The complexity of composite heterogeneous data access in a big data environment is shielded. The platform comprises a data synchronization unit, a data coordination unit, a high-concurrency visit unit, a data source dynamic-adapting unit, a dynamic search unit, a dynamic reportunit, a metadata application unit and an upper-layer support application unit. After application, the integration difficulty in a data layer and an application layer of a production business system is reduced. Meanwhile, complicated and repeated query statistics and analysis report development in business applications are solved. The development efficiency is increased and development cost is lowered.

The invention relates to a parallel unified power quality control device, and belongs to the technical field of power electronics and flexible alternating current transmission and distribution. The device comprises a voltage source converter, an energy storage unit, a resonant electronic switch and a master control system, wherein the master control system consists of a master controller and a plurality of sensors; the resonant electronic switch is connected in series between a grid and a protected sensitive load; two ports of the resonant electronic switch are PCC1 and PCC2 points respectively; an alternating current output port of the voltage source converter is connected in parallel with the PCC2 point; a direct current side capacitance port of the voltage source converter is connected with a corresponding output port of the energy storage unit; and the master controller generates control gate pole signal output and is connected with the voltage source converter and the resonant electronic switch. A method is to judge various power quality faults and control the device to perform quick switching and operation among four modes. The device has the advantages of simple structure, low cost, high overload resistance and high operation efficiency.

The invention belongs to the technical field of treatment of heavy metal polluted soil, and in particular relates to a stabilization treatment method for heavy metal copper in polluted soil. The method comprises the following steps of: air-drying the heavy metal polluted soil at room temperature, and inserting 3 to 8 iron wires with the diameter of 0.28 to 0.90mm into the polluted soil; performing microwave radiation on the soil in nitrogen atmosphere for 5 to 20 minutes, controlling microwave power to be 200 to 800w and controlling nitrogen flow rate to be 10 to 100mL / min in the nitrogen atmosphere; and naturally cooling the soil to room temperature in the nitrogen atmosphere at the nitrogen flow rate of 1 to 10mL / min, taking the iron wires out, washing for recycling, and obtaining microwave stabilized heavy metal copper polluted soil. The process has good effects when applied to the stabilization of the heavy metal copper in the polluted soil. The method can realize the stabilization treatment of the heavy metal copper polluted soil, and has the advantages of good stabilization effect, low cost and the like.

The invention relates to a waste heat utilization system using thermal desorption high temperature cycle spray wastewater to improve normal temperature desorption booth processing efficiency. The system comprises a thermal desorption spraying system, a wastewater adjusting system, a wastewater processing system, and a booth ground heating system. The thermal desorption spraying system is connected to the wastewater adjusting system. The wastewater adjusting system is connected to the wastewater processing system. The wastewater processing system is connected to the booth ground heating system. The booth ground heating system is connected to the thermal desorption spraying system and / or the wastewater adjusting system. The high temperature spraying cycle wastewater generated by thermal desorption is utilized to heat the polluted soil in a normal temperature desorption booth, the energy is fully utilized, and at the same time the processing effect of the normal temperature desorption technology is improved by the waste heat utilization system. The thermal desorption technology and normal temperature desorption technology are co-used in the system, and the novel system is economic, reliable, and stable, and is especially suitable for repairing and processing soil polluted by volatile / semi-volatile organic matters.

The invention discloses a method for reducing the strong alkalinity of red mud, belongs to the technical field of red mud utilization, and aims to solve the problems that in the prior art, the using amount of an acidic solution for adjusting the alkalinity of red mud is large, the corrosive property of the acidic solution is strong, the cost is high, a large amount of waste liquid, which is hard to process, is generated, and the recovery rate of red mud is low. The method comprises following steps: grinding a biomass raw material by a crusher to obtain biomass powder; delivering biomass powder, water and a catalyst into a stirring pot, stirring to obtain a mixed material; adding the mixed material into a high pressure reactor, heating the high pressure reactor, maintaining the temperature;then cooling to the room temperature to obtain a hydrothermal carbonization product; subjecting the hydrothermal carbonization product to solid-liquid separation to obtain hydrothermal charcoals anda hydrothermal charcoal liquid; mixing the hydrothermal charcoal liquid and red mud, adding the mixture into a stirring tank, stirring, and carrying out solid-liquid separation then to obtain solid modified red mud with reduced alkalinity. The provided method reduces the strong alkalinity of red mud.

The invention discloses a circulation well and method for removing pollutants out of underground water. The circulation well comprises a well body, wherein the well body comprises an inner well and an outer well; an upper-layer screen pipe and a lower-layer screen pipe are arranged at the upper end and the lower end of the wall of the inner well; water in the inner wall and the outer well circulates through the upper-layer screen pipe and the lower-layer screen pipe; the inner well is provided with at least two water filter segments along the vertical direction; the upper water filter segment is separated from the lower water filter segment through a solid column body and is sealed through a packer; a seal cover is arranged at the top of the well body; and the well body is provided with an aeration system for aerating the inside of the well body, a blow-off system for blowing off gas in the well body, a vacuum extraction system for extracting the gas in the well body, a multi-medium filter system for treating the gas extracted from the inside of the well body, a dosing system for treating polluted underground water in the well body, and a heavy metal treatment system for treating heavy metals in the polluted water. The polluted water is treated through the circulation well in situ, the interference with the ambient environment is reduced and organic matters and the heavy metals in the underground water are effectively removed.

An electricity generating method comprises storing a compressed gas in an underground cavity, taking out a compressed mixed gas containing the compressed gas from an underground gasification cavity, sending the compressed mixed gas into a combustion chamber, and / or sending the compressed mixed gas to an underground gasification furnace for generating a combustion gas and sending to the combustion chamber. An electricity generating system comprises a compressor with an gas exhaust opening, an underground gasification furnace with a gas inlet well and a gas outlet well, a gas turbine, a combustion chamber, and an underground gasification cavity with a storage gas inlet and a storage gas outlet; or, the gas exhaust opening is communicated with the storage gas inlet, the storage gas outlet is communicated with the combustion chamber and the gas inlet well, and the gas outlet well is communicated with the combustion chamber; or, the gas exhaust opening is communicated with the storage gas inlet and the gas inlet well, the storage gas outlet is communicated with the combustion chamber, and the gas outlet well is communicated with the combustions chamber; or, the gas exhaust opening is communicated with the storage gas inlet and the combustion chamber, the storage gas outlet is communicated with the gas inlet well, and the gas outlet well is communicated with the combustion chamber. The electricity generating method and the electricity generating system realize electricity generating, and also realize treatment on pollutants in the underground gasification cavity.

The invention discloses a covering shading film / enzyme / microbial agent / light source compound technique used for controlling blue algae in the manner of covering a shading film and combining with biological enzyme and microbial agent on the water surface of river, lake and reservoir. According to the invention, for the characteristic of the photosynthesis required by the growth of the blue algae, alight-shading technology for locally opening the covering shading film is adopted, namely, at least two shading films with air and water holes cover on the water surface at an interval, the photosynthesis of the blue algae is stopped in a large area, and meanwhile, the sunlight or manual light source supplementing is utilized to enrich and treat the blue algae on the locally opening water surfacecovered with the shading film; for the eutrophication environment required by the growth of the blue algae, the microbial agent is adopted for decomposing, absorbing and converting the eutrophicationmatters so as to change the eutrophication state of water; the biological enzyme is utilized to break the protein of the blue algae, so as to achieve the effect of killing and restraining the growthof the blue algae; the biological enzyme and the microbial agent are utilized to crack, decompose and absorb the algal toxin after the death of the blue algae.