36results about How to "Less investment in facilities" patented technology

The invention discloses a method for safe dismantling of a waste lithium ion battery and green recovery of an internal electrolyte. The method mainly comprises the steps of (1) performing short-circuit discharging on a waste battery; (2) performing dismantling and smashing on the battery in a negative pressure space; (3) blowing drying hot gas to battery fragments smashed in the negative pressure space to volatilize the electrolyte; and (4) performing condensing, filtering and alkali adding and fluorine removing on volatile components to obtain a relatively pure organic solvent, and performing innocent treatment on the residual gas and solid-state granules. According to the method, the battery is dismantled by the negative pressure environment, a contact area with the battery fragments can be enlarged by hot air flow, so that air flow with high stability is formed, the electrolyte solvent is recycled effectively and simply, and the advantage of low cost is realized; and meanwhile, the harmful substances in the electrolyte are subjected to the innocent treatment, so that environment friendliness and industrial recovery and utilization can be realized.

The invention discloses a combined wind wave and current resistant net cage and a working method thereof. The combined wind wave and current resistant net cage comprises a high-density polyethylene (HDPE) integrated framework and net cage bodies, and is characterized in that a plurality of square net cage units are arranged in the integrated framework formed by an HDPE tube; floating rope frames formed by a high-intensity fiber rope are arranged at the peripheries of the square net cage units below each edge of the HDPE integrated framework; a plurality of net cage bodies are arranged in the floating rope frames; and every two adjacent net cage bodies in the same square net cage unit are fixed by a multi-net-cage connector. The combined wind wave and current resistant net cage has excellent wind wave and current resistance, can keep the shapes of the net cage bodies stable and is structurally similar to the conventional fish raft; on the premise that water inside and outside the net cage can be well exchanged, the flowing deformation performance of the net is improved thoroughly; and furthermore, cultivation is convenient to manage; and the facility investment is relatively low.

The invention provides a chemical nickel waste water treating method. The chemical nickel waste water treating method comprises the following steps: oxidizing a treating agent in a breaking reaction pond; aerating and stirring for reacting for 15-40 minutes; controlling the PH value to be 10-12; entering the reaction pond; adding a coagulant aid; precipitating in a settling pond; collecting supernatant; squeezing sludge in the settling pond; introducing squeezed filtrate into an adjusting pond; performing residue fixing treatment on the squeezed sludge, wherein the treating agent contains 70-90 percent by weight of alkaline matter and 10-30 percent by weight of oxidizing agent; the alkali substrate is one or more of NaOH, Na2CO3 and CaO; the oxidizing agent is H2O2 or/and Na2S2. By adopting the chemical nickel waste water treating method, complete precipitation of nickel ion and phosphorus is realized, the water quantity can reach the discharge standard in table 3 of GB21900_2008 Galvanized Pollutant Discharge Standard, and can stably reach the standard for a long time; the rate of reaching the standard is 99.9 percent or above.

The invention discloses a cooling and heating continuous supply system and a cooling and heating continuous supply method for recycling and recovering waste heat from cold equipment, and belongs to the field of cold and heating continuous supply systems and cooling and heating heating methods for factory production. It includes a water storage tank, an auxiliary heating pipeline, a waste heat recovery pipeline, and a cooling pipeline; the auxiliary heating pipeline includes a first water pump and an auxiliary air heater connected sequentially through pipelines; the waste heat recovery pipeline includes The second water pump, the heat exchange device, and the air energy transducer, the water inlet of the second water pump is connected to the water storage tank, and the water outlet of the air energy transducer is connected to the water storage pool; the cooling pipeline includes a third water pump connected in sequence through pipelines ,Cooling Tower. The invention utilizes the plate heat exchanger to exchange the heat energy of the equipment into the water to form hot water, and transfers the heat energy in the hot water to the fresh air through the air energy transducer, and the fan blows the hot air to the heat-consuming equipment to use heat, and at the same time can provide The cold air is used for the cooling equipment; to realize the all-weather constant temperature water supply, save energy and reduce consumption, and use one thing for three purposes.

The invention discloses a method for producing white matte by mixed smelting of copper refining slags-pyrite-bornite tailings. The method comprises the following steps of: preparing materials according to the mass ratio of the copper contents of the copper refining slags, the pyrite and the bornite tailings being 1:(0.006 to 0.01):(0.02 to 0.09), adding the copper refining slags, the pyrite and the bornite tailings to a smelting furnace, adding anthracite which accounts for 5% to 19% total mass of the copper refining slags, the pyrite and the bornite tailings to the smelting furnace, and smelting in oxygen-enriched air to generate the white matte. The method for producing the white matte by the mixed smelting of the copper refining slags-pyrite-bornite tailings is small-scale in investment, low in energy consumption, continuous in operation and capable of recycling copper resources.

The invention discloses a plasma exhaust gas comprehensive processing device, which comprises an insulating casing, a base, and a tungsten wire. The base is fixedly connected with the insulating casing, the base is provided with a water outlet, the top end of the insulating casing is provided with a gas inlet, a filter device is fixed in the middle portion of the inner cavity of the insulating casing, the filter device comprises electrodes, separators, ground electrodes and a low-voltage power source, the electrodes and the ground electrodes are electrically connected with the low-voltage power source through wires, gaps are arranged between the electrodes and the ground electrodes, and the electrodes and the ground electrodes are spaced apart. The top ends and the bottom ends of the electrodes and the ground electrodes are fixedly provided with the separators, and the separators are fixed on the inner wall of the insulating casing. The exhaust gas comprehensive processing device withautomatic electrode cleaning design has the advantages of simple structure, convenient operation and automatic cleaning.

The invention belongs to the technical field of environmental protection, and particularly relates to a method for treating, transforming and utilizing organic waste. According to the method, the pre-treated organic waste is subjected to bio-abdominal transformation treatment through cockroaches, the cockroaches for treating the organic waste serve as protein feed for the cultivation industry, andmanure generated by the cockroaches serve as fertilizers. By adopting the method for treating, transforming and utilizing the organic waste, other energy sources are not consumed, secondary pollutionof three wastes of the waste water, the waste gas and the industrial residue is avoided in the treatment process, the treatment difficult problem of the organic waste is effectively solved, the transformation cost is low, benefits are high, and social benefits are remarkable.

The invention relates to a biogas slurry harmless treatment and resource utilization technology for a large-scale pig farm. The biogas slurry harmless treatment and resource utilization technology comprises the following steps: firstly, collecting manure in a livestock pig farm by using dry collection and carrying out solid-liquid separation; secondly, putting biogas slurry in the first step intoa special conical reactor of a pretreatment system for carrying out adsorption treatment through a sewage draining passage; thirdly, feeding the biogas slurry treated in the second step into an aerobic system for carrying out biochemical treatment; fourthly, detecting the liquid obtained in the third step; if the liquid meets the Livestock And Poultry Breeding Wastewater Discharge Standard GB18596-2001, COD is smaller than or equal to 150mg/l, BOD is smaller than or equal to 400mg/l and ammonia-nitrogen is smaller than or equal to 80mg/l, recovering the liquid for fertilizer utilization. The biogas slurry harmless treatment and resource utilization technology disclosed by the invention has the advantages that the conical reaction kettle and the aerobic system are adopted, so that the investment of facilities can be greatly reduced; meanwhile, pollution factors in the biogas slurry in the pig farm are removed through adsorption; the biogas slurry subjected to adsorption treatment undergoes biochemical treatment by the aerobic system; the treated liquid accords with the Livestock And Poultry Breeding Wastewater Discharge Standard, so that the liquid can be recovered for fertilizer utilization.

The invention provides a death pig housefly larvae ecological treatment method. The method realizes complete resource utilization of death pigs. The method comprises the following steps of immersing a death pig in boiling water, adding a proper amount of mushroom bran into the death pig to obtain a death pig culture material for housefly larvae cultivation, inoculating the death pig culture material with incubated housefly larvae according to a certain ratio, carrying out culture for 3-4 days to obtain mature housefly larvae, collecting the mature housefly larvae as a protein forage raw material, carrying out further compost fermentation on the collected residue, carrying out air drying to greatly reduce moisture, and carrying out crushing to obtain the products which can be directly used as nutrient-rich biological-organic fertilizer. The method realizes efficient and fast treatment on death pigs, has no latent biosafety problems, does not product secondary pollution, has a low investment cost and has high integrated economic benefits.

The invention discloses a cross-flow type super rotary jetting wind power station. A brand new wind power generation mode is provided. A wind indicator and an automatic wind tracking device are used for automatically controlling a wind inlet pavilion to automatically track the wind direction and collect airflow, the airflow collected by the wind inlet pavilion at high altitude is drained to the ground through a wind inducing building, a jetting ring inside a rotary jetting machine with the brand new drive principle is adopted, airflow which is rotationally jetted from the jetting ring pushes apower wheel to rotate, the power wheel rotates to drive a spindle of the rotary jetting machine to rotate, finally, the rotating spindle of the rotary jetting machine is accelerated by a gear to drive a power generator to rotate at a high speed and generate power, and current is adjusted by a storage battery. Compared with existing wind power generation modes, the cross-flow type super rotary jetting wind power station is the subversive revolution, the cost on the aspects of manufacturing, mounting, transportation, management, power conveying and the like is far lower than that of the existing wind power generation modes, the wind power generation efficiency is far higher than that of the existing wind power generation modes, the cross-flow type super rotary jetting wind power station isnot limited and can be built at any place to generate power, and electric energy which is easy to obtain and endless and is extremely cheap and environmentally friendly will completely lead human beings to the future energy revolution.

The invention discloses a fast dehydration system for iron ore concentrate powder, and belongs to the technical field of ore dressing in the metallurgical industry. The dehydration system comprises a sedimentation tank, a filter device, a high-pressure gas blowing device, a gas blowing tube and a solar heating device, wherein the sedimentation tank comprises an ore pulp feeding hole, an ore pulp partition strip plate, an ore discharge hole of the sedimentation tank and a slope bottom of the sedimentation tank; the ore pulp feeding hole is formed in one side at the top end of the sedimentation tank, and the ore discharge hole of the sedimentation tank is formed in the bottom of the side wall at the other side of the sedimentation tank; the ore pulp partition strip plate is arranged at the inner side of the ore discharge hole of the sedimentation tank; the bottom of the sedimentation tank is the slope bottom, with an inclined angle which is higher at the left side and lower at the right side, of the sedimentation tank, and the gradient of the inclined angle is 1-3%; the filter device is arranged at the inner side of the ore pulp partition strip plate; the high-pressure gas blowing device blows gas to the iron ore concentrate powder in the sedimentation tank by virtue of the gas blowing tube; and the solar heating device is arranged on the top of the sedimentation tank. According to the fast dehydration system, the iron ore concentrate powder of ore dressing plants for small and medium-sized iron ore mines is fast in dehydration in the sedimentation tank; the investment is little; and a final product is low in moisture content.