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 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 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 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 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 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.

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.