189results about How to "Create economic value" patented technology

The invention provides complete equipment and process for processing coal tar wastewater, and belongs to the technical field of environmental conservation. The process comprises the following steps of: adopting different removal principles according to different physicochemical properties of heavy oil, light oil and emulsified oil; scientifically and orderly removing the heavy oil, light oil and emulsified oil through three sets of environmental conservation equipment such as a multi-stage oil separator, an oil-water separator and an air floating tank gradually; combining a micro electrolysis reactor with a five-section integrated oxidization device; and firstly destroying a benzene ring by microelectrolysis, and then strongly oxidizing various organic matters through an oxidant, so that the COD (chemical oxygen demand) and the chromaticity are greatly reduced. Ammonia nitrogen can be efficiently removed by a denitrification system; the denitrification system is low on requirements of pH value and temperature, and low in operation cost; the denitrification system is arranged behind the five-section integrated oxidization device; the reaction change of power of hydrogen is fully considered; and the complete equipment complies with the scientific principle, and can be used for reducing feeding of acid and alkali, and lowering the operation cost.

The invention discloses a novel production method for glutamic acid, belonging to the technical field of the production of amino acid. The novel production method for the glutamic acid comprises the following steps of: removing thalli and insolubles by means of high-speed disc separation; evaporating and concentrating separated glutamic acid material liquid through a multi-effect plate type evaporator at low temperature, wherein the generated secondary steam condensed water is used for fermentation ingredients of the glutamic acid; performing continuous isoelectric extraction on the glutamic acid in the evaporated glutamic acid concentrated solution; absorbing the glutamic acid by making supernatant fluid pass through ion exchange columns; performing isoelectric reextraction on the analyzed glutamic acid; inputting high-concentration wastewater into a fertilizer workshop for producing fertilizer; squeezing heavy phase (mycoprotein) through a plate frame, and granulating; and drying through a fluid bed, and thus producing high-protein feed. The novel production method for the glutamic acid has the advantages of low unit consumption of liquid ammonia and sulfuric acid, high extraction yield of the glutamic acid, less ion exchange investment and the like; and meanwhile, the purity of the extracted glutamic acid is high, sodium glutamate can be produced without crystalloblast, resources are fully used in the whole process, the aims of energy conservation and consumption reduction are achieved, and the novel production method for the glutamic acid has a wide application prospect.

The invention discloses a smelting method of laterite-nickel ore. The method comprises the following steps: pelleting laterite-nickel ore, carbon black and additives; carrying out reducing roasting on the laterite-nickel ore pellets in a heat-accumulation rotary hearth furnace to obtain metalized pellets; and carrying out slag-iron separation on the metalized pellets to obtain nickel iron and tailings. The method can be effectively utilized to prepare the nickel iron product.

The invention provides a nanofiltration treatment method of desulfurization waste water. The method comprises the following steps that 1, pH of the desulfurization waste water is adjusted to range from 8.5 to 9.5, and TMT-15 and sodium carbonate are added to remove calcium ions and heavy metal elements; 2, the desulfurization waste water treated in the first step is filtered, and nanofiltration treatment is conducted on the filtered desulfurization waste water to obtain separation liquor and concentrated liquor; 3, crystallization treatment is conducted on the separation liquor to obtain NaCl solid salt, the concentrated liquor is treated according to the second step, nanofiltration treatment is repeatedly conducted on the concentrated liquor to make the recovery rate of NaCl in the desulfurization waste water treated in the first step reach above 80%, and MgSO4 solid salt is obtained through crystallization treatment. According to the nanofiltration treatment method of the desulfurization waste water, the treatment method is simple, the cost is low, operation is easy, the operation conditions are mild, the operation method is flexible, and recycling of various inorganic salt in the desulfurization waste water is achieved.

The invention relates to a method for preparing zirconium oxide ceramic by recycling zirconium oxide ceramic grinding wastes, and belongs to the technical field of structural ceramics. The method comprises the following steps of: dissolving metal and alloy elements in the wastes by using acid or an oxidant; adding proper matters and adjusting the constitution; firing and removing organic matters; ball-milling into powder; and forming and sintering to prepare the zirconium oxide ceramic. The process method is simple and practical. Through the adoption of the method, the traditional concept that the grinding wastes of the zirconium oxide ceramic products are difficult to recycle is changed.

The invention discloses a treatment method of laterite-nickel ore. The method comprises the following steps: pelleting laterite-nickel ore, a reducer and additives to obtain laterite-nickel ore pellets; carrying out reducing roasting on the laterite-nickel ore pellets in a heat-accumulation rotary hearth furnace to obtain metalized pellets; carrying out crushing and dry magnetic separation on the metalized pellets to obtain nickel iron granules and first tailings; and carrying out wet grinding and wet magnetic separation on the first tailings to obtain nickel iron powder and second tailings, wherein the reducer is carbon black prepared from rubber. The method can be effectively utilized to prepare the nickel iron product.

The invention discloses a sludge environmental protection block and relates to a building block. Present blocks are clay or cement and bath brick. Chamotte brick needs a lot of clay. A lot of fine fields will be destroyed, cement-bath brick will destroy massif and river, and disasters are brought to humans. Therefore, both clay and sand should not be used as a brick-making material. Furtherly, a lot of sludge left after sewage treatment is not effectively utilized. The invention provides the environmental protection block with sludge used as a raw material. The formula of the environmental protection block contains: by weight, 18-25 parts of portland cement, 0.5-1.5 parts of expanded perlite, 25-35 parts of sludge, 8-12 parts of pulverized limestone, 30-40 parts of small broken stone, 5-12 parts of building garbage, 0.5-1 part of foamed plastic fragments and 1-3 parts of industrial fiber. The invention relates to the green industry for environmental protection, and has beneficial effects of excellent product performance, multi-purposes, simple manufacturing industry, energy conservation, low cost and the like.

The invention relates to a cloud data management-based power battery management system and method. According to the system, the using process of a power battery in a full life cycle is monitored and recorded through a battery data acquisition module to obtain working condition data, such as temperature, current and voltage of the battery; a battery management system collects the data and transmitsthe data to an on-board TBOX; the on-board TBOX remotely transmits the data to a battery data cloud analyzing and processing module through a wifi or a mobile data network; data support is provided for cascade utilization evaluation of the battery on the cloud through a big data analyzing and processing method; and time nodes of cascade utilization and dismantling recycling are predicted and judged through a battery state judgment module, so that the complex and time-consuming detection process of the battery is saved, the recycling efficiency is improved, the life cycle of a battery productis prolonged, the cost is effectively reduced, the time is saved and the requirements on the operating mode and the usage scenario of the power battery are met.

The invention discloses a waste salt resourceful treatment process and special equipment thereof. The waste salt resourceful treatment process comprises the following steps: separately adding waste salt which mainly comprises sodium chloride and sodium sulfate into saturated salt water of sodium chloride and sodium sulfate to continuously stir, filtering to obtain mother liquor from salt wash, anddrying separated-out sodium chloride and sodium sulfate solids; freezing mother liquor from salt wash, evaporating and crystallizing crystals, chemically removing impurities of frozen mother liquor,removing organic and inorganic impurity ions, performing organic separation on impurity-removal outlet water, utilizing the mother liquor inside a field, oxidizing produced water, performing nano-filtration salt separation on oxidizing produced water, returning nano-filtration concentrated water into a salt washing system, evaporating and drying nano-filtration produced water to obtain sodium chloride solid. A series of processes such as salt washing, freezing, organic separating, oxidizing, nano-filtration salt separation, and evaporating are effectively combined, so that sodium chloride andsodium sulfate in the waste salt are separated and purified, and organic substances and other impurity irons in the waste salt are effectively separated or removed, and therefore, hazardous waste treatment cost is reduced, resourceful treatment of two waste salts is realized, and an economic value is created.

A method for recovering valuable metals and simultaneously preparing ceramsite by roasting cyanide tailing belongs to the area of comprehensive recovery and high value utilization of metallurgical waste residue. In this method, cyanide tailings, bentonite, calcium chloride, coal powder and albite are mixed by ball milling according to certain weight ratio to get a mixture. After drying and roasting twice, dust is collected from the roasted ash, the obtained polymetallic ash is collected and treated. The secondary calcined material is cooled to obtain ceramsite. The invention volatilizes and recovers the valuable metal in the roasting and sintering process of cyanide tailings and directly prepares the ceramsite through reasonable batching, which achieves the effect of recycling cyanide tailings and high-value utilization, can create good economic and environmental benefits, and has significant effect of energy saving and consumption reduction.

The invention relates to a method for producing chromates through using chromium-containing waste residues. The method comprises the following steps: reacting pretreated chromium-containing waste residues with an oxidant in an alkaline solution, removing impurities of an obtained reaction solution, carrying out evaporative crystallization, and carrying out solid-liquid separation to obtain chromate products. The chromium-containing waste residues mainly comprise chromium hydroxide-containing waste residues and concretely are industrial chromium-containing wastes generated in the industrial processes comprising the metallurgy, the chemical industry, the pharmacy, the light industry and the like, wherein the main occurrence states of chromium comprise trivalent chromium salts, chromium hydroxide or hydrates thereof. The method has the advantages of short process flow, mild condition, small apparatus corrosion, low process cost, realization of the circulating regeneration of the chromium-containing waste residues, environmental pollution solving, exploitation of a new raw material for producing the chromates, and economic value creation.

A method and a system for changing the skin of a portable terminal are provided. The method includes downloading and storing a selection skin, designating and activating the stored selection skin, determining whether to adjust characteristics of the activated selection skin, adjusting a script file to adjust the characteristics of the activated selection skin according to a result of the determination of whether to adjust the characteristics of the activated selection skin, and storing the activated selection skin having the adjusted characteristics.

The invention discloses a method for pretreating non-lumber fibrous materials by utilizing basic salt in combination with hydrogen peroxide and belongs to the technical field of renewable energy. The method comprises the following steps: soaking the non-lumber fibrous materials in a mixed solvent, causing the substrate concentration to be 5-20 g / L, performing treatment for 1-6 h at 50-120 DEG C; after the reaction is over, adding deionized water of 0.5-2-time volume to stir regenerated cellulose materials for 10-30 min at room temperature, and using water to wash solid residue, so that the pretreatment process is finished. The recovery rate of pretreated solids is 40-80%, the lignin removal rate is 20-90%, the cellulose retention rate is 75-95%, and the hemicellulose retention rate is 70-90%. According to the pretreating method, lignin is effectively removed, plenty of cellulose and hemicelluloses are reserved, and accordingly enzymatic hydrolysis saccharification efficiency is improved.

The invention relates to a device for recovery treatment of organic wastes based on the internet of things. The device comprises a main body, a feeding pipe, a discharging opening and a moving wheel,a stirring mechanism and a drying mechanism; the stirring mechanism comprises a first motor, a stirring barrel, a second motor, an air cylinder and multiple stirring blades; and the drying mechanism comprises a cutting assembly and a drying assembly. According to the device for recovery treatment of the organic wastes based on the internet of things, through the stirring mechanism, the organic wastes such as vegetable leaves can be uniformly crushed, so that the effect of preliminary dewatering is achieved; through the drying mechanism, the wastes are further crushed and dried, through dryingof the wastes, and moisture wastes can be prevented from breeding bacteria and generating peculiar smells; and the dried vegetable leaves can be used as animal feed, organic fertilizers and biogas tobe used for generating electricity; and therefore the utilization rate of the wastes is improved, the economic value is created, and the practicability of the recovery treatment device of the organicwastes is improved.

The invention relates to a novel method utilizing edible fungus residues to produce a dairy cattle protein feed through fermentation. The novel method comprises the following steps that 1, seed liquid is prepared: saccharomycetes 1, aspergillus 1 and lactic acid bacteria 1 are amplified and cultured respectively in culture mediums containing a carbon source, a nitrogen source and a restrictive nutrient source to obtain the seed liquid; 2, the edible fungus residues are processed: 30-40 parts of dried edible fungus residues, 45-55 parts of water, 1-5 parts of bran and 0.5-1 part of sugar (water adding is not needed for wet edible fungus residues) are mixed and stirred evenly; 3, the seed liquid obtained in the step 1 is inoculated in the edible fungus residues, the total inoculating quantity is 5-10%, and stationary culture is performed at the temperature of 35 DEG C for 5-7 days to obtain the dairy cattle protein feed. The protein content of the fungus residues is remarkably improved by utilizing microorganisms to ferment the edible fungus residues, coarse fiber can be converted into fiber which can be utilized by dairy cattle, waste produced in edible fungus production can be well utilized, corresponding economic value is created, and resources can be well recycled.

The invention discloses a double-layer-glass photovoltaic cell assembly and a manufacturing method thereof. Compared with a traditional double-layer-glass assembly manufacturing process, the manufacturing method has the advantages that in the laminating process, a high-temperature-resistance frame is used, so that the situations that a cell string moves and bubbles appear due to the fact that the pressure borne by the assembly is too high or uneven are avoided; after assembly lamination, the periphery of the assembly is bonded through high-temperature-resistance adhesive tape and small holes are formed in the position of the high-temperature-resistance adhesive tape in a puncturing mode, so that no bubbles exist at the edge of the assembly after the assembly is laminated.

The invention discloses a method for preparing and purifying naringin, namely a method for extracting naringin from young fruits of citrus paradisi macfadyen by adopting a hot water extraction and cooling crystallization process and purifying the naringin. The method is characterized by comprising the steps of collecting young citrus paradisi macfadyen fruits of which the diameters are less than 5cm, pulverizing, and extracting with hot water; filtering the extract, cooling and adding seed crystal for crystallizing; removing the mother solution, dissolving the coarse crystal into hot water again, cooling and re-crystallizing to obtain almost white crystal powder, wherein the content of the naringin is more than 96% through HPLC (high performance liquid chromatography) detection. Compared with the present naringin production method, the method has the advantages that the process is simple, the production cost is low, and the waste young fruits are comprehensively utilized to create economic value.

The invention relates to a double-layer unfired water permeable brick with silicon manganese alloy waste residue as aggregate and a preparation method thereof. According to the technical scheme of the double-layer unfired water permeable brick with the silicon manganese alloy waste residue as the aggregate, thickness ratio of a surface layer to a base layer is 1:(8-15), the surface layer is prepared from the following raw materials: 55-70wt% of water-quenched silicon manganese alloy waste residue with the granularity of 0.063-0.34mm, 20-35wt% of portland cement, 5-15wt% of water, 0-0.3wt% of a water reducing agent and 0.5-3wt% of pigment; and the base layer is made from the following raw materials: 50-70wt% of water-quenched silicon manganese alloy waste residue with the granularity of 0.34-3mm, 20-35wt% of Portland cement, 0-15wt% of broken stones, 5-15wt% of water and 0-0.3wt% of the water reducing agent. The preparation method comprises the following steps: firstly uniformly mixing the raw materials of the base layer, putting the mixture into the bottom of a mould, and tamping; carrying out static pressure moulding, pressurizing for 30-40 seconds, demoulding, and maintaining, so that the double-layer unfired water permeable brick with the silicon manganese alloy waste residue as the aggregate is obtained. The double-layer unfired water permeable brick with the silicon manganese alloy waste residue as the aggregate has the advantages that energy consumption is low, the cost is low, the appearance is beautiful and the waste residue is changed into things of value.

The present invention is health feed and belongs to the field of feed for farm animal. The health feed contains bean dregs 21-27 wt%, corn 50-66 wt%, chestnut flower 10-21 wt%, bone meal 1-1.5 wt%, and trace elements 0.5 wt%. Chestnut flower is added into health feed can save grains, prevent diseases and promote the growth of farm animal. The present invention has excellent application foreground.

The invention discloses a method for preparing feed additives by using table and kitchen wastes. The method comprises the steps of sorting and impurity-removing of the table and kitchen wastes, dewatering and deoiling pretreatment, crushing, soaking, pressure filtration for separation, low-temperature drying, microwave sterilization and packaging. The separated solids are made into the feed additives through processes of drying, microwave sterilization, metal detection and the like. By using the table and kitchen wastes for making the feed additives through a resource treatment method and by treating the solid wastes through a low-temperature drying and microwave sterilization method, the original nutrition of the table and kitchen wastes is effectively reserved and the prepared feed additives are enabled to be more nutritious; and at the same time, the quantity-reducing, harmless and resource treatment of the table and kitchen wastes are effectively realized, the wastes are turned into valuable things and the method is an important approach for saving land and resources and developing low-carbon and recycling economy.

The invention provides a combined restoration method for heavy metal polluted farmland soil. The combined restoration method for the heavy metal polluted farmland soil comprises the specific steps that (1) heavy metal passivant is spread before tillage, and the farmland is evenly tilled; (2) soybeans are planted in spring and summer, and after harvesting, soybean straws are recycled; (3) heavy metal passivants are spread, and the farmland is evenly tilled; (4) rape is planted in autumn and winter, and after harvesting, rape stalks are recycled. According to the combined restoration method forthe heavy metal polluted farmland soil, rotation and united plantation of the soybeans and the rape are adopted, the heavy metal passivant is adopted to achieve passivation of heavy metals, the intimidation of heavy metal in soil to the crops is lowered, and meanwhile the heavy metals are continuously absorbed; and therefore, the efficiency of combined restoration is improved, and a combined restoration method which is easy to implement, environmentally friendly and economical is provided for restoration of the heavy metal polluted farmland soil.

The invention discloses a framework apparatus based on a novel primary suspension and a longitudinal motor, and belongs to the field of framework apparatuses of railway vehicle power bogies. The apparatus comprises a bidirectional output shaft motor, four primary steel springs, four primary vertical shock absorbers, two gearboxes, two forged piece side beams, a longitudinal motor shell, four wheelset built-in primary suspension axle box devices, two side beam balance connecting rods and four shell side beam connecting columns; the bidirectional output shaft motor is coaxially and fixedly connected in the longitudinal motor shell, and the two gearboxes are rotationally and symmetrically arranged at the two ends of the longitudinal motor shell; and the front output end and the rear output end of the bidirectional output shaft motor are in transmission connection with the corresponding gearboxes through bevel gears respectively. A large amount of framework space can be saved, so that thecompact layout of the wheel set built-in primary suspension axle box devices is implemented, the control difficulty of synchronously controlling two motors is reduced, the motor control program is simplified, the electric energy utilization and conversion efficiency and the control efficiency are improved, and the energy-saving and environment-friendly properties of a train are enhanced.

The application discloses a low-temperature operation treatment system for rural domestic sewage and a treatment method thereof. The low-temperature operation treatment system for rural domestic sewage comprises a solar heat collection and power generation system, a temperature control system, a biological treatment reactor, and a greenhouse insulation artificial wetland; the solar heat collection and power generation system comprises a photovoltaic panel, a charge-discharge controller, a battery, a solar heat collector, a heat exchanger, and an insulation water tank; the temperature control system comprises temperature sensor I, temperature sensor II, a temperature controller, a switch contactor, auxiliary heater I, and auxiliary heater II; the biological treatment reactor comprises an anaerobic pool, an anoxic pool, and a multilevel waterfall biological turnplate; the greenhouse insulation artificial wetland comprises an artificial wetland, LED plant growth lamps and a plastic greenhouse. The system provides thermal insulation for the treatment of biological-artificial wetland sewage by the combination of solar energy and greenhouse, the efficiency of sewage treatment at low temperature is improved, zero energy consumption is achieved, and economic value is created.

The invention discloses a mixed ferment process of yellow rice wine and distiller' grain by charging a predetermined amount of Chinese crude bran or grain bran by the proportion of 5-8% and 3-5%, controlling the temperature before mixing fermentation between 25-38 deg. C, charging into the water drainage of the yellow rice wine manufacturing process.

The invention discloses a process for treating and recovering methylpyridine-containing wastewater. The method comprises the following steps: raw material selection, raw material mixing, mixing stopping, mixing stopping, filtering water treatment and raw material recovery. The scheme realizes separation of methylpyridine and an aqueous solution, so that COD (Chemical Oxygen Demand) of the wastewater is reduced by about 95.2%, and the recovery rate of methylpyridine is 95% or more, which not only reduces the difficulty of subsequent wastewater treatment, but also recovers methylpyridine, thereby saving the energy, protecting the environment and creating the economic value.

The invention discloses a rock tunnel driving method. The rock tunnel driving method comprises the steps that (1) geological exploration is conducted on a to-be-driven tunnel section, and a geologicalexploration report is formed; (2) tunnel construction design is conducted according to a rock tunnel engineering section in the geological exploration report obtained in the step (1), and a tunnel construction design report is formed; (3) according to the tunnel construction design report obtained in the step (2), a rock tunnel driving device is used for tunnel excavation on a to-be-constructed rock mass; (4) anchor rod spraying-protection support construction is conducted on a tunnel excavated through the step (3); and (5) later construction treatment is conducted on the tunnel subjected tospraying-protection support through the step (4). Drilling explosion is not used so as to ensure construction safety, therefore, structural damage to a mountain or a whole stratum (rock mass) in the construction process can be reduced, the stability of the mountain or the stratum is ensured, the construction efficiency can be further improved, and the construction progress is accelerated.

The invention provides a heavy metal activator and application thereof in soil joint restoration. The activator preparation comprises the following steps that (1) straws are crushed and sieved, the crushed straws are added into an alkaline solution, a heating reacting is conducted, filtering is conducted after finishing the heating reaction, the filtration residue is taken and washed with water, washing is repeated until the eluent is neutral, and drying is conducted to obtain the lignin-removed straws; (2) urea is added into the lignin-removed straws, composting fermentation is conducted, rapeseed meal is added after the fermentation is thoroughly decomposed, a functional microbial agent is added, secondary fermentation is conducted after uniform stirring, and then after the second fermentation, the straw bio-organic fertilizer is obtained; and (3) organic acid is added into the straw bio-organic fertilizer, and uniform mixing is conducted to obtain the heavy metal activator. According to the application, through crop-rotation combined planting of soybeans and oilseed rape, the heavy metal is activated by the heavy metal activator, so that heavy metal in the soil can be convertedinto an effective state as much as possible to realize the continuous absorption of heavy metal, the joint restoration efficiency is improved, and the easy-to-implement and efficient combined restoration method is also provided for restoring heavy metal contaminated farmland soil.

The invention discloses an automatic-control water system for a greenhouse. The automatic-control water system comprises a comprehensive liquid tank, an ion concentration detector, a hydraulic control one-way valve, an electromagnetic ball valve, a pipeline, a water tank, a magnetic turning plate liquid level meter, an electric cable, a control console, a fertilizer supply box, an industrial pump feeding pipe, a second-stage industrial pump, a motor, a liquid fertilizer tank, a water supply tank, a pressure control system and a multifunctional nozzle, the ion concentration detector is arranged on the lower side of the comprehensive liquid tank, the hydraulic control one-way valve is mounted on the upper side of the comprehensive liquid tank, the left side of the hydraulic control one-way valve is connected with the electromagnetic ball valve which is connected with the water tank through the pipeline, and the magnetic turning plate liquid level meter is mounted on the left side of the water tank. The automatic-control water system has the advantages that time points for watering and fertilizing can be artificially set according to different flowers and plants automatically, time and manpower resources can be saved, flower and plant cultivation cost can be controlled, and economic value can be created.

The invention discloses a longitudinal motor type modular power bogie, and belongs to the field of longitudinal motor type railway vehicle bogie devices. The modular power bogie comprises a bidirectional output shaft motor, two wheel sets, four brake clamp units, four primary steel springs, four primary vertical shock absorbers, two anti-snaking shock absorbers, two secondary vertical shock absorbers, two gearboxes, two secondary transverse shock absorbers, two air springs, two forged piece side beams, a longitudinally-arranged motor shell, four wheel set built-in primary suspension axle box devices, a center traction seat mechanism, two side beam balance connecting rods, two combined connecting seats, four shell side beam connecting columns, an n-shaped anti-side-rolling torsion bar mechanism and a traction seat fixing and shock absorbing mechanism. According to the invention, the framework space can be greatly saved, the compact layout of the wheel set built-in primary suspension axle box devices can be implemented, the motor control program can be simplified, the electric energy utilization and conversion efficiency and the control efficiency can be improved, and the energy-saving and environment-friendly properties of the train can be enhanced.