33results about How to "Low investment and operation cost" patented technology

The invention relates to a construction method of a soil covering tank for storing product oil and the like, which comprises the following steps of: (A) building a tank chamber of a soil covering tank: firstly, carrying out earth excavation with a method combining a back-acting shovel and manual excavation; then, manufacturing a ring beam, precasting concrete blocks on the spot according to the radian of the ring beam, and building the concrete blocks; carrying out the engineering of steel bars: welding steel bars by machining, and manually binding the steel bars on the spot; carrying out the engineering of templates and scaffolds: taking a bamboo plywood as a top plate template of a concrete thin shell of the tank chamber, designing a camber at the middle part, and taking scaffold tubes as bottom template brackets of the thin shell of the tank; then, carrying out concrete engineering and asphalt sand construction; and finally, carrying out waterproof engineering, thereby completing the construction of the tank chamber of the soil covering tank; and (B) installing a storage tank body of the soil covering tank: firstly, precasting the storage tank body; then, installing a tank bottom plate; installing the tank body, and welding the storage tank; and finally, testing and inspecting to complete the whole construction process of the soil covering tank after the construction is qualified. The invention reduces the occurrence of accidents, increases the benefit and reduces the dust emission.

The invention discloses a denitration process for cement kiln flue gas. According to the process, liquefied ammonia, ammonia water or urea is used as a reducing agent and is injected into cement decomposition kiln flue gas in a temperature range of 750 to 1100 DEG C by a spray gun for a selective uncatalyzed reaction, and then the reducing agent and unreacted nitrogen oxides in the flue gas pass through an SCR reaction system installed behind a humidifying tower and a deduster together and undergo a selective uncatalyzed reaction on the surface of a specially-produced low temperature catalyst so as to realize secondary denitration. The invention also discloses a denitration apparatus used for realizing the denitration process. According to the invention, through installation of an SCR denitration system at the tail of a system, the escape rate of ammonia in an SNCR system is reduced; meanwhile, through former SNCR preliminary denitration, the volume of an SCR reactor and usage amount of the catalyst are reduced, thereby reducing cost of one-shot investment for the denitration system and improving denitration efficiency of the system. The denitration process and denitration apparatus provided in the invention are applicable to removal of nitrogen oxides in cement kiln flue gas and have wide market and application prospects.

The invention relates to an electric vehicle load demand response-considered network-source-load coordination planning method. According to the method, firstly, during the load forecasting process, the influence of an electric vehicle is considered, and the probability distribution of the first travel time of the electric vehicle is obtained. Meanwhile, the probability distribution calculation iscarried out on the daily running mileage. Through predicting two parameters, the charge load distribution of the electric vehicle for 24 hours of the day is further predicted and the load distributioninformation is improved. After that, under the condition that the interests of three parties, namely the power grid, the power supply and the load, are considered, the network-source-load coordination planning is carried out. According to the invention, the interests of three parties, namely the power grid, the power supply and the load, are coordinated and planned. Meanwhile, the electric vehicle is taken as one of the influence factors of the load response considered in the charge layer planning process, so that the advantages of three parties are complementarily coordinated and developed.The requirement for the planning work of the power distribution network in a new situation is met. The investment and operation cost of a power grid company is saved. Meanwhile, the maximization of economic benefits of operators is guaranteed. The method has important practical value.

The invention relates to the technical field of laser processing, in particular to a processing method of automatic-feeding laser cutting, which comprises the following steps of 1 uncoiling a coiled material into a flat plate through an uncoiler, and leveling the coiled material uncoiled into the flat plate through a leveler; and 2 pushing the coiled material leveled in the step 1 into a laser cutting work area through an automatic feeder, and cutting and processing the coiled material into a plurality of workpieces through laser. Therefore, the processing method of the automatic-feeding laser cutting has the advantages of 1 being free of noise, vibration and greasy dirt, safe and environment-friendly; 2 being capable of randomly being cut in a suit mode, and completely cutting the material in the suit mode theoretically to achieve zero waste material; 3 saving device materials and reducing problems of investment waste and environment pollution caused by casting of large-sized devices and corresponding moulds; 4 greatly improving production efficiency and rate of finished products of relevant industries; 5 being capable of obtaining high accuracy and good quality and being wide in application range; and 6 reducing operation and maintenance costs of the devices, energy consumption and invested operation cost of large-sized coil feed lines.

The invention discloses an emission reduction process and an emission reduction system for co-processing sewage and sludge. The system mainly comprises an anaerobic reactor, an anoxic reactor and an aerobic membrane bioreactor; the auxiliary equipment comprises an anoxic zone stirrer, a sludge reflux pump, a membrane bioreactor water outlet pump and an automatic control device; a reaction tank body is made of concrete, PVC or glass steel; the process is characterized in that the sludge mixed liquor in the aerobic membrane bioreactor can be flown back to backwater ports of the anaerobic reactor and the anoxic reactor through the sludge reflux pump, so that the sewage and the sludge are subjected to three processes of hydrolytic acidification, acid production and methane production; and denitrification is performed in the anoxic reactor, thereby realizing reduction and reclamation of the sludge and achieving the aims of removing the sewage and the sludge and reducing emission. The process and the system are suitable for processing of the sewage and the sludge from treatment plants in different scales.

The invention discloses an intelligent cold accumulation insulation box circulation control system based on the Internet of Things, and relates to cold accumulation insulation boxes in the field of refrigeration equipment. In order to solve the problems that fresh food e-commerce cannot supervise logistics quality, and is relatively large in construction investment of self pick-up site, lack of fresh product delivery channels to customers, and inconvenient in delivery mode. The invention adopts a new technical scheme to solve the abovementioned problems. The technical scheme is as follows: anintelligent control device is added on a traditional insulation box; the device comprises a central control unit, a mobile communication unit, a positioning unit, a box door lock unit, a splicing lockunit, a vibration measurement unit and a deformation measurement unit, so that the insulation box has functions of supervising, alarming, recording and reporting the logistics quality. Due to the mortise and tenon joint structure of a box shell, the insulation boxes can be spliced together to form a self pick-up box, and the insulation box also can be combined with a matched express cabinet to form an insulating self pick-up cabinet, so that the investment cost of the self pick-up site is reduced, the goods delivery channel is increased, and the delivery convenience is achieved.

The invention discloses a two-dimension code scanning reverse vehicle-searching system based on an intelligent terminal. The system mainly includes a mobile intelligent terminal device, a parking space area two-dimension code generation and management module, a parking lot path planning and navigation module, a parking lot parking space two-dimension code marking module, and a parking lot path navigation module based on two-dimension coordinate storage and processing. The mobile intelligent terminal device provides user parking space marking information and a reverse vehicle-searching path navigation request to the parking space area two-dimension code generation and management module and the parking lot path planning and navigation module. The parking space area two-dimension code generation and management module generates corresponding two-dimension codes according to division of parking space areas in a parking lot, and marks corresponding parking spaces and positions. The invention also discloses a two-dimension code scanning reverse vehicle-searching method based on an intelligent terminal. The system is simple and reasonable in structure, is low in investment and operating cost, is convenient and fast to use, and enables users to quickly find vehicle parking spaces.

The invention discloses a cancer individuation intervention strategy selection method based on molecular physiome. The method comprises the following steps that: establishing an intervention response model library; when a new case appears, comparing the new case with the pre-administration proteomics difference of a model; and analyzing biological approaches / physiological function differences and the like which may be caused by the difference. A sample data type on which the method depends has high dependency with a physiological level phenotype. Proteomics data related to cell physiology and functions including protein and the like can be transcribed and subjected to epigenetic inheritance. The method is more sensitive to the intervention response effect of diseases, can provide rich indexes to observe molecular level physiological changes caused by diseases, and is suitable for clinic transformation and practical popularization.

A garbage station waste gas processing and deodorizing system comprises a ventilating and collecting device, a waste gas processing device, and a control device; the ventilating and collecting device comprises a wind suction pipeline and a wind discharge pipeline; the waste gas processing device is arranged between the wind suction pipeline and the wind discharge pipeline and is communicated with the wind suction pipeline and the wind discharge pipeline; the waste gas processing device comprises a super-oxidization catalytic processing tank and an ozone generator; the super-oxidation catalytic processing tank comprises a liquid-phase oxidation catalytic processing tank, a gas-phase oxidation catalytic processing tank, and a solid-phase oxidation catalytic processing tank, which are connected in sequence; and the ozone generator is communicated with the liquid-phase oxidation catalytic processing tank. The provided garbage station waste gas processing and deodorizing system can effectively remove the stinky smell of garbage, and has a prominent deodorizing effect; furthermore, the investment and operation cost are low, and the occupied area is small.

The invention provides an integrative device and method for flue gas denitration at low temperature. The device comprises an absorption tower, an aerated conduit, a mixer, a hydrogen peroxide storage tank, a potent agent storage tank, a synergist storage tank, a spraying system, demisters, hydrocyclones and micro-nano bubble generators, wherein the spraying system comprises circulating pumps and spraying devices, and a flue gas inlet is formed in the absorption tower; in the tower, the hydrocyclones, the spraying devices and the demisters are arranged above the flue gas inlet in sequence; the tail end of the aerated conduit is connected with air inlets of the micro-nano bubble generators, and air outlets of the micro-nano bubble generators are formed in the bottom of the tower; liquid inlets of the circulating pumps are communicated with the bottom of the tower, and liquid outlets of the circulating pumps are connected with the spraying devices; liquid outlets of the hydrogen peroxide storage tank, the potent agent storage tank and the synergist storage tank are connected with liquid inlets of the mixer respectively, and liquid outlets of the mixer are connected to the pipelines between the circulating pumps and the spraying devices. According to the integrative device and method, hydrogen peroxide can be mainly used as oxidant, investment and operation costs are reduced, and the device has high oxidation efficiency on nitrogen oxide of low-temperature flue gas.

The invention discloses an active power distribution network planning model construction method considering a data center. The method comprises the following steps: acquiring basic parameters; establishing an active power distribution network planning model considering the data center by using a two-stage stochastic optimization method; substituting the basic parameters into the model, and solving the model by adopting an improved group search optimization algorithm with the goal of minimizing the investment operation cost of the active power distribution network and improving the utilization rate of renewable energy sources and reducing the carbon emission, and outputting schemes of the selected model of the transformation line, the installation position of the intelligent electric meter, the installation position of the wind turbine generator, the number of started servers in each time period of the data center, the time dimension task migration quantity in the data center, the electricity purchase quantity of the distribution network, the actual output of the wind turbine generator, the energy storage charging power and the energy storage discharging power. According to the method, the time dimension transferable load of the data center and the flexible charging and discharging performance of the equipped energy storage equipment are considered, the planning cost of the active power distribution network can be effectively reduced, distributed energy consumption is promoted, and carbon emission is reduced.

The invention discloses a denitration process for cement kiln flue gas. According to the process, liquefied ammonia, ammonia water or urea is used as a reducing agent and is injected into cement decomposition kiln flue gas in a temperature range of 750 to 1100 DEG C by a spray gun for a selective uncatalyzed reaction, and then the reducing agent and unreacted nitrogen oxides in the flue gas pass through an SCR reaction system installed behind a humidifying tower and a deduster together and undergo a selective uncatalyzed reaction on the surface of a specially-produced low temperature catalyst so as to realize secondary denitration. The invention also discloses a denitration apparatus used for realizing the denitration process. According to the invention, through installation of an SCR denitration system at the tail of a system, the escape rate of ammonia in an SNCR system is reduced; meanwhile, through former SNCR preliminary denitration, the volume of an SCR reactor and usage amount of the catalyst are reduced, thereby reducing cost of one-shot investment for the denitration system and improving denitration efficiency of the system. The denitration process and denitration apparatus provided in the invention are applicable to removal of nitrogen oxides in cement kiln flue gas and have wide market and application prospects.

The invention provides a thermal desorption device for amending and repairing polluted soil. The thermal desorption device comprises a soil heating mechanism and an exhaust gas washing desorption mechanism, wherein the soil heating mechanism comprises a load-bearing tank, tubular heaters are arranged at the bottom of the load-bearing tank and comprise ground breaking tubes, each ground breaking tube is provided with a suction pipe and a plurality of exhausting holes, the suction pipes are separately converged to an exhaust pipe in an accommodating space, the exhaust pipe is connected with a gas stripping pump, the exhaust gas washing desorption mechanism is connected with the gas stripping pump, and heating pipes are arranged in the ground breaking tubes and are connected in parallel in the accommodating space through conducting wires. The device provided by the invention is applied to thermal desorption soil repairing treatment of organic matter polluted soil and can achieve the in-situ treatment of contaminated soil, repairing treatment procedures of the contaminated soil are simplified and are simple and efficient, and the device is applicable to the thermal desorption treatmentof large-area contaminated soil; meanwhile, an exhaust gas treatment system is arranged, the problem of environmental pollution is solved.

The invention provides an advanced treatment and recovery method of nickel and cobalt production enterprise extraction raffinate wastewater. The method comprises the following steps: 1, primarily settling extraction raffinate sewage, wherein the residual nickel and cobalt concentration is 1.0-5.0mg / l, and the residual organic matter concentration OiL is not greater than 20mg / l; 2, allowing the primarily settled extraction raffinate sewage to go through an adsorption column filled with active manganese dioxide or carrying out an adsorption reaction in a single-tank quantified intermittent manner or a multiple-groove parallel continuous stirring manner at a temperature of 25-50DEG C under a pH value of 6.0-8.5 for 20-40min according to a liquid (extraction raffinate sewage): solid (active manganese dioxide) ratio of 500:(1-5), and filtering after the adsorption ends to obtain filtrate water which is industrial sewage meeting standard reaching emission requirements; and 3, washing nickel and cobalt supported manganese dioxide slag powder filtered in step 2 by using 8.0-12.0% of an ammonia solution, eluting a nickel and cobalt backwash solution to recover nickel and cobalt, and rinsing eluted manganese dioxide to regenerate.

The invention relates to a green airport intelligent aircraft tractor. The green airport intelligent aircraft tractor comprises a tractor body, a chassis and an electrical and intelligent control system; the green airport intelligent aircraft tractor is technically characterized in that the tractor body comprises a left longitudinal beam, a right longitudinal beam and an annular supporting beam; and the positions, corresponding to the front side of the tractor body, of the annular supporting beam are provided with a movable left movable beam and a movable right movable beam, and the movement tracks of the left movable beam and the right movable beam are perpendicular to the length direction of the left longitudinal beam and the right longitudinal beam respectively. The chassis comprises asupporting rotary table arranged above the annular supporting beam and matched with the annular supporting beam, the positions, corresponding to the left movable beam and the right movable beam, of the supporting rotary table are open ends, the lower surface of the supporting rotary table is connected with a plurality of telescopic lifting actuating cylinders, and the lower ends of the lifting actuating cylinders are connected with lifting frames; and each lifting frame comprises a left longitudinal lifting rod, a right longitudinal lifting rod, a left sliding seat, a right sliding seat, a front lifting rod, a rear lifting rod, a clamping block, a driving mechanism and the like, so that clamping and lifting of a front wheel of an aircraft can be realized. According to the green airport intelligent aircraft tractor, safety risks caused by a traction rod and a turning pin of a traditional tractor are avoided, a new energy battery is used as a power source, and the tractor is environmentally friendly, capable of saving energy, low in operation cost and high in guarantee efficiency and intelligent degree.

The invention discloses an efficient denitration device for a flue gas of a boiler. The efficient denitration device comprises a wastewater treatment device and a stirring and medicine-delivering device, wherein a medicine storage tank A is connected with a metering pump A; the metering pump A is connected with the stirring and medicine-delivering device through a pipeline; a medicine storage tank B is connected with a metering pump B; the metering pump B is connected with a stirring device through a pipeline; a denitration tower is arranged above the stirring and medicine-delivering device and comprises an air inlet, a spray layer and a demist layer; the air inlet is formed in the bottom of the denitration tower; a medicine delivery device A is connected with the spray layer; a medicine delivery device B is connected with the spray layer; and a demister washing device is connected with the demist layer. The efficient denitration device has the beneficial effects that the investment operation cost is greatly reduced; the efficient denitration device is small in pressure loss, stable to run in actual use, and convenient and fast to mount; the gas treatment efficiency is high due to multi-stage spray layer and demist layer; meanwhile, the efficient denitration device is small in floor area; treatment of a nitric oxide gas is relatively thorough; and the emission standard of the national requirements is reached.

A double-fluid dry fog gun belongs to the field of environmental protection and comprises a fan and a noise reduction body. The fan is connected with a front cylinder and a tail cylinder and is arranged between the front cylinder and the tail cylinder; the tails of double-fluid nozzles are hinged to spray headsupports, and the spray headsupports are fixedly arranged on the outer side of the cylinder wall of an outlet of the front cylinder; one end of each electric telescopic rod is hinged with the head of the corresponding double-fluid nozzle, and the other end of each electric telescopic rodis hinged with the outer side cylinder wall of the front cylinder; the double-fluid nozzles, the spray headsupports and the electric telescopic rods are the same in number and are circumferentially and uniformly arranged on the outer side of the outlet cylinder wall of the front cylinder; one end of an air inlet branch pipe is connected with air inlet nozzles of the double-fluid spray heads afterbeing connected with a telescopic hose, and the other end of the air inlet branch pipe is connected with an air inlet main pipe; one end of a water inlet branch pipe is connected with water inlet nozzles of the double-fluid nozzles after being connected with a telescopic hose, and the other end of the water inlet branch pipe is connected with a water inlet main pipe; the air inlet main pipe and the water inlet main pipe are annularly wound on the middle outer wall of the front cylinder; and an electromagnetic valve is connected to the front of the water inlet main pipe. The dust suppression effect is good, and the operation cost is low.

The invention relates to a nickel and cobalt production enterprise raffinate waste water deep processing recovery device. The recovery device comprises a first adsorption stirring tank, a second adsorption stirring tank, an ammonia solution dosage tank, a washing water tank, a filtering pump and a filtering device. Stirrers are arranged in the first adsorption stirring tank and the second adsorption stirring tank. The first adsorption stirring tank and the second adsorption stirring tank are communicated through a liquid guide pipe equipped with a liquid guide control valve. A sewage liquid inlet and a solid material adding opening are arranged in the first adsorption stirring tank. The first adsorption stirring tank is communicated with a steam heating pipe. The second adsorption stirring tank is communicated with the filtering device through a filtering pump. The ammonia solution dosage tank and the washing water tank are communicated with the filtering device through control valves. The structure is simple, operation is rapid, waste water is processed effectively and recycled, and the processing cost is lowered.

The invention discloses a high-efficiency corrosion inhibiting bactericide for oilfield water flooding. The high-efficiency corrosion inhibiting bactericide is prepared through mixing, by mass, 7-15% of decene bis(formylamino-1-octadecylpyridinium chloride), 2-6% of alkyldimethyl sulfitonetaine, 3-7% of alkyl amine polyoxyethylene ether bisquaternary ammonium salt, 3-6% of fatty alcohol polyoxyethylene ether, 5-9% of sodium chloride, 9-21% of ethanol, and the balance of water. The high-efficiency corrosion inhibiting bactericide for oilfield water flooding has the advantages of bactericidal property, low freezing point, small dosage, non-toxicity, no phosphorus and environmental friendliness; the corrosion inhibition rate of the high-efficiency corrosion inhibiting bactericide to Q235 steel at a temperature of below 55 DEG C is higher than required 70%, so the high-efficiency corrosion inhibiting bactericide can achieve uniform corrosion; and the bactericidal performance also can meet the requirements of oilfield water flooding index, so the high-efficiency corrosion inhibiting bactericide can meet the requirements of oilfield water flooding for the anticorrosion performance of pipelines and devices in the field of oilfield production.

The invention discloses an impact type continuous metal powder preparation device. The impact type continuous metal powder preparation device comprises a melting device, a heating coil, a valve, an accelerator, a recoverer, a channel, a baffle and a collector, the accelerator further comprises a vertical shaft, a racket seat, a racket and an inductor. According to the impact type continuous metalpowder preparation device, metal is melted into a molten state through a melting container and the heating coil, falling of the metal liquid drops is monitored through the valve and the inductor, so that the racket is intelligently controlled to wave and hit the metal liquid drops, the acceleration and dispersion of the metal liquid drops by the accelerator are realized, the metal liquid drops penetrate through the channel and then hit the baffle, are further dispersed under the action of collision, then are cooled and spheroidized and finally fall into the collector, therefore, the preparation of the metal powder is realized, and the impact type continuous metal powder preparation device which is low in investment and operation cost, simple in structure and convenient to maintain and an adopts impact type is provided.

The invention provides an advanced treatment and recovery method of residual extraction waste water for nickel-cobalt manufacturing enterprises. The residual nickel-cobalt concentration of the residual extraction waste water after primary precipitation is 1.0-5.0mg / l, and the concentration of organic compounds OiL is smaller than or equal to 20mg / l; after primary precipitation, the temperature of the residual extraction waste water is 25-50 DEG C, the pH value of the residual extraction waste water is below 6.0-8.5, an adsorption reaction is performed through an adsorption column filled with active manganese oxide, or in a single-groove quantitative intermittent type stirring manner, or in a multiple-groove parallel continuous stirring manner, the liquid to solid ratio of the residual extraction waste water to active manganese oxide powder is 500:(1-5), the adsorption time is 20-40 minutes, after adsorption, filtration is performed, and filtered water is industrial waste water which can reach a drainage standard; an ammonia solution of 8.0-12.0% is used for washing manganese oxide powder residues which are obtained through filteration in the step (2) and are loaded with nickel and cobalt, backwash liquor of nickel and cobalt is eluted so that the nickel and the cobalt are recovered, and the eluted manganese oxide is rinsed and regenerated.

The invention discloses a solar power advanced sewage treatment integrated device and method filled with a double-layer combination filler ball, and belongs to the technical field of sewage treatment.The solar energy is converted by a solar panel unit into electric energy and stored, the electric energy is supplied to an air pump, then the air pump aerates an aerobiotic chamber, a nitrification liquid is gas-stripped and refluxed, heterotrophic bacteria, nitrifying bacteria, denitrifying bacteria and the like are adhered on the double-layer combination filler ball to have the biochemical reaction, and the pollutant is removed in an advanced way in the integrated device. The device and the method are suitable for the requirements on dispersed treatment, low investment and operation costs,and convenience in operation in the domestic rural areas.

The present invention provides a method and communication system for achieving wide area group service, keeping signal and logic number of group user and corresponding small number of the wide area group on the home location register of the exchanging equipment communication in multiple switched network; when the calling side exchanging equipment receiving the call request of the wide area group service, if judging called being other group user, sponsoring inquiry request to the home location register, carrying the called small number of and calling logic number inquired in the local; the home location register determining the group number of wide area group of the calling after receiving inquiry request, and determining called logic number by combining the called small number, then requesting the called routing number and returning to the calling side exchanging equipment; the calling side exchanging equipment routing to the called exchanging equipment by the routing number and completing the call. The system and method of the invention achieves the wide area group service on the basis of utilizing the present equipment in the network as possible.

The invention discloses a treatment process of sludge from a wastewater treatment plant, and the treatment process comprises the following steps: firstly carrying out gravity sedimentation on sludge; sequentially carrying out aerobic digestion on the obtained concentrated sludge and sedimentation treatment on the digested sludge; after the digested sludge is settled, obtaining digested sludge anddigestion tail water; discharging the digested sludge; and carrying out aquatic plant purification treatment on the digestion tail water. The invention also discloses a system for realizing the process. After the digestion treatment of the concentrated sludge, the stabilization degree of the sludge is greatly improved; and the digestion tail water enters an aquatic plant purification system, nutrient elements in water are absorbed and utilized by the plants, and the nutrient elements are not transferred to the discharged water from the sludge, so that the sludge reduction and tail water purification are simultaneously achieved.

This invention relates to a mobile video broadcast system and a method, in which, said system includes a wire TV system processing and transmitting video and a mobile video broadcast program distributing unit, a mobile video broadcast ground sending unit and a mobile video broadcast terminal. Said method includes: a, the wire TV system factures and sends video code streams to the mobile video broadcast program distributing unit, b, the distributing unit assembles said video code stream to radio broadcast frames to be transmitted to the mobile broadcast ground sending unit by the radio transmission net, c, the ground sending unit sends the radio broadcast frames to the mobile video broadcast terminal, d, the terminal operates the video play.

The invention discloses an injection type artificial snow-making refrigeration and cooling storage system which comprises an air filter, a compressor, a heat exchanger, an ejector, a separator, a cooling storage chamber, a moisture ejector, a cold release heat exchanger and a heat storage water tank. The injection type artificial snow-making refrigeration and cooling storage system consumes a small amount of electricity to drive the compressor, through an injection and ejection system, heat in water (ice) is transferred to domestic hot water, cooling capacity is provided for the outside, and at the same time domestic hot water can be produced incidentally.

One kind method and equipment for life sewage's denitrogenation and dephosphorization belongs to the water treatment domain. The method is that the sewage through obligate baffle reactor obligate sludge layer, spreads the phosphorus on the iron filings padding layer, remove the organic pollutant microorganism in obligate way, the not transformed organic pollutant is degraded in aerobic sunk-style biofilter biomembrane, the ammonia nitrogen transforms to nitrate nitrogen, then is removed again in obligate region by biomembrane counter- nitrobacter, again passes through the precipitation then discharges. The installment is made up of obligate baffle reactor mutually linking and in turn, the aerobic sunk-style biofilter and settling basin. The obligate baffle reactor compose of 3 - 4 baffle in, the partition board, obligate sludge separate room , 1st traverse has the iron filings padding layer, has counter- tube, in the aerobic sunk-style biofilter has the padding layer.

The invention discloses an ecological filter zone system for preventing farmland non-point source pollutants from entering a river. The system comprises at least one filter strip unit arranged in a gradient manner. A fine sand layer is laid between the bottom of the filtering band unit and the soil. A gravel band is laid at the water inlet end of the filtering band, which is close to the farmlandside. A gravel band is laid at the water outlet end of the filtering band, which is close to the river channel side. The filtering band unit comprises a containing groove with the periphery and the bottom closed, and a filler layer, a water-permeable geotextile layer and a covering layer, which are sequentially arranged from bottom to top. A water-permeable hole is formed in the bottom of the accommodating groove. The filler layer comprises a zeolite layer, a ceramsite layer and an anthracite layer. The functions of blocking pollutants and purifying water are synergistically completed by utilizing the filtration and adsorption effects of the filler on farmland runoff pollutants, the degradation effect of soil microorganisms on organic pollutants and the absorption effect of plants on nitrogen and phosphorus. On one hand, the system can prevent farmland non-point source pollutants from entering a river channel, and on the other hand, a natural river bank can be beautified to form a certain landscape effect.

The invention discloses a regulating and controlling device capable of achieving multi-layer vertical transmission and water energy circulation power generation. The regulating and controlling devicecomprises a plurality of lifting devices mounted in an N-layer building, wherein each lifting device comprises a runway-shaped inner housing and a runway-shaped outer housing; each outer housing is fixed between two sealed wall bodies; each inner housing can be bent and is movably sealed with the two sealed wall bodies; a plurality of water baffles are arranged between each inner housing and the corresponding outer housing at equal intervals; a chain is arranged on the other side of each inner housing and driven by a motor arranged at the upper end of the corresponding lifting device through adriving gear; a driven gear is arranged at the lower end of each lifting device; and each chain is tensioned by the corresponding driving gear and the corresponding driven gear and drives the corresponding inner housing and the corresponding water baffle. The regulating and controlling device can benefit the society, the risk and loss of large-area power supply are reduced, and social benefits and economic value are huge.