51results about How to "High resource utilization rate" patented technology

The invention relates to a harmless disposal method of kitchen garbage, which comprises the following steps of: (1) pretreatment: after unloading the kitchen garbage, performing solid-liquid separation, rough crushing, crushing and sorting and performing magnetic separation, and recycling metal substances mixed in the kitchen garbage; (2) hydrothermal hydrolysis: after the pretreatment, adopting the hydrothermal hydrolysis to fully inactivate viruses and bacteria in the kitchen garbage, separating out animal and vegetable fatty oil from the kitchen garbage, and hydrolyzing organic materials at the same time; (3) using the fatty oil obtained in the step (2) as an industrial fatty oil material or further performing deep processing to obtain fatty acid methyl ester or biodiesel; mixing and proportioning the pasty organic materials and then conveying into an anaerobic fermentation system; and conveying large granular organic materials into an aerobic biological fermentation device. The method provided by the invention realizes harmless disposal of the kitchen garbage mainly by the pretreatment and the hydrothermal hydrolysis process, increases the conversion rate of biological energy of the kitchen garbage and increases the economic benefit of kitchen garbage recycling products.

The invention discloses a solid waste disposal method, and relates to the technical field of disposal of multiple types of solid waste. The solid waste disposal method comprises the following steps that S1, multiple types of solid waste are classified and pretreated; S2, RDF obtained in the step S1 is subjected to pyrolysis to obtain carbon residues and pyrolytic tar, solid-phase materials obtained in the step S1 are subjected to aerobic fermentation, and a water phase obtained in the step S1 is subjected to anaerobic fermentation to obtain methane and biogas residues through separation; S3, the carbon residues, dry compounds and the biogas residues obtained in the step S2 are mixed with sludge, and SDF is prepared; and S4, the SDF obtained in the step S3 is fed into a gas-fired furnace, fuel gas is prepared, and meanwhile inorganic matter and heavy metal in the residues are sintered to form building materials. The solid waste disposal method has the beneficial effects of realizing collaborative and concentrated treatment of multiple types of solid waste, not only realizing treatment of multiple types of solid waste, but also realizing recycling of multiple types of solid waste.

The invention provides a mobile production system capable of demolishing buildings selectively on site and recycling construction waste. The mobile production system is characterized in that on a building demolition site, after a building is selectively demolished, construction waste is processed into raw materials which can be made into environment-friendly construction material like recycled aggregate by using mobile site screening and crushing equipment, and then the material is manufactured into environment-friendly construction material by mobile site production equipment, like recycled aggregate environment-friendly bricks, recycled aggregate concrete, recycled aggregate dry powder mortar and recycled aggregate filling, so that the process of transporting construction waste out of the construction site is avoided, and zero emission of construction waste is realized.

A method and a process for extracting shale oil and gas by fracturing and chemical retorting in oil shale in-situ horizontal well. An inclined well is drilled from the ground to the upper part of an underground oil shale stratum, and a horizontal well is drilled in parallel to the oil shale stratum in the upper part of the oil shale stratum. Behind the horizontal well and the inclined well in the upper part, an inclined well leading to the lower part of the oil shale stratum is drilled, and a horizontal well is drilled in parallel to the lower part of the oil shale stratum. Highly pressurized media (air, water, and quartz sand) are injected into the horizontal well in the upper part of the oil shale stratum, cracks of 1 to 3 mm are fractured in the oil shale stratum with the horizontal well in the upper part of the oil shale stratum serving as the center and are filled with a gap support, and, an oil and gas channel connecting the horizontal well in the lower part is established. A heating apparatus is added into the horizontal well in the upper part of the oil shale stratum, the oil shale stratum is heated to 550 DEG C., the oil shale is initially retorted, shale oil and gas are extracted, and the shale oil and gas are led out of the ground from the horizontal well in the lower part via the oil and gas passages, and then are introduced to an oxidant for oxidization reaction with asphaltenes and fixed carbon contained in the oil shale when retorted, where the heat generated is used as a heat source for subsequent retorting, thus implementing underground in situ shale oil extraction. The shale oil that is led out of the ground is separated via a ground-level gas-liquid separation apparatus, and the separated shale oil is transferred to a product oil tank for storage and sale, while a combustible gas is transferred to a combustible gas power generation apparatus for use in power generation. This solves the problem that existing ground-level retorting has in terms of large recovery costs, difficult treatment of tailings, a variety of environmental issues, and large land-use footprint. In addition, there disclose a process implementing the method and a nozzle used in the method.

The plastic winnowing apparatus includes a sediment chamber, a blower fan outside the sediment chamber, and a silencing and damping device. Inside the sediment chamber, there are a unloading device connected via aspirating pipeline to the blower fan and the silencing and damping device in the upper part, an upper sealing unit, a bin, a material guide device, a lower sealing unit, a material aspirating pipeline below the upper sealing unit and a material guiding chute connected to the lower part of the lower sealing unit. The apparatus has both plastic conveying and plastic separating functions. It may be also used in separating grains, coal and garbage.

The invention discloses a household garbage treating method and relates to the technical field of solid waste disposition. The household garbage treating method comprises the following steps that S1, household garbage is pretreated and divided into a first group of organic matters, a second group of organic matters and metal components, and the first group of organic matters is easier to decay than the second group of organic matters; S2, the second group of organic matters in the step S1 is subjected to thermal decomposition to generate thermolysis carbon powder and thermolysis oil, and the first group of organic matters in the step S1 is treated to generate decomposed materials and dried materials; and S3, the thermolysis carbon powder, the decomposed materials and the dried materials in the step S2 are sent into a gas furnace to be sintered to generate fuel gas, and meanwhile, inorganic matters in the materials is melted and sintered to form stable materials. The household garbage treating method has the beneficial effects that the household garbage can be decomposed into the fuel gas and the stable materials, so that the resource rate of the household garbage is improved. Compared with the prior art, landfilling and burning are not needed, a large amount of land does not need to be occupied, and burning pollution does not caused.

A method and apparatus for transmitting and receiving data are disclosed. The method for transmitting data, comprising encapsulating one or multiple media access control protocol data units (MPDU) as a group media access control protocol data unit (G-MPDU) based on a length of the group media access control protocol data unit G-MPDU; fragmenting a current MPDU according to a residual length to obtain a fragmented MPDU when the residual length is insufficient to encapsulate the current MPDU; encapsulating the fragmented MPDU to the G-MPDU; and transmitting the encapsulated G-MPDU. The method ensures a high data transmission rate and does not wasting excess time to execute the fragmentation processing. The method also ensures a high resource utilization rate, utilizing fully the remaining length of the data unit.

The invention discloses a separation technology reducing the sulfur content and the ash content in coal. The separation technology includes the following steps that firstly, the high-sulfur coal is fed into a jigger to be subjected to jigging separation, and jigging cleaned coal is obtained; secondly, the jigging cleaned coal is fed into a breaking machine to be broken, and a broken product is obtained; thirdly, the fine broken product is fed into a ball grinding machine to be subjected to ball grinding, and a ball grinding product is obtained; fourthly, the fine ball grinding product is led into a pulp preprocessor, a chemical agent and water are added, stirring is conducted, and then fine ball grinding product pulp is obtained; fifthly, the fine ball grinding product pulp is led into a floating machine to be subjected to floatation, and floatation cleaned coal and floatation tailings are obtained; sixthly, the floatation cleaned coal is fed into a defoaming barrel to be stirred, anddefoaming cleaned coal is obtained; seventhly, the defoaming cleaned coal is fed into a centrifugal separation machine to be subjected to centrifugal separation, and water-containing low-ash low-sulfur cleaned coal and centrifugal tailings are obtained; and eighthly, the water-containing low-ash low-sulfur cleaned coal and the tailings are subjected to dehydration treatment respectively. By meansof the separation technology, the sulfur content and the ash content in the high-sulfur coal can be reduced, the sulfur and ash removing efficiency is high, and the technological process is simple.

The invention belongs to the technical field of treatment of industrial wastewater and particularly relates to a resin purifying treatment method for chlorinated tail gas leaching wastewater. For solving the technical problem, the invention provides the resin purifying treatment method for the chlorinated tail gas leaching wastewater, the resin purifying treatment method comprises the following steps: a, adding hydrochloric acid into the wastewater, regulating and controlling the pH value of a system to 1-2, stirring and removing free chlorine; b, using an anion exchange resin to adsorb and remove acid and alkaline metals and acid metal impurities in the wastewater treated in the step a; c, adding liquid caustic soda into the wastewater treated in the step b, regulating and controlling thepH of the system to 9-11; and d, using a cation exchange resin to adsorb and remove the rest of metal impurities in the wastewater treated in the step c. The wastewater treated through the method contains a large quantity of NaCl, the content of other impurities is quite low, the wastewater can be directly recycled by the chlor-alkali industry, so that the environmental protection pressure, caused by the wastewater, on the relevant manufacturers producing TiCl4 is reduced or eliminated, and the production cost of the chlor-alkali industry is also lowered.

The present invention provides a double-sided touch control substrate, a double-sided touch control device and a double-sided touch control display device. The double-sided touch control substrate comprises a base having a first side and a second side opposite to each other, a first touch control mechanism is provided on the first side, and a second touch control mechanism is provided on the second side. Both the first touch control mechanism and the second touch control mechanism are connected to a touch control driving unit through a switching mechanism, and the switching mechanism enables the first touch control mechanism and the second touch control mechanism to share the touch control driving unit in a time-sharing manner. With the double-sided touch control substrate, a streamlined touch-control device that is not limited to single-sided touch control is implemented by using fewer resources.

The invention discloses a high-salt wastewater treatment system for improving the sodium chloride recycling rate. The system comprises an adjusting tank, a first-stage nanofiltration membrane device,a sodium sulfate evaporative crystallization unit, an RO membrane device, an RO concentrated water tank, a sodium chloride evaporative crystallization unit, a second-stage nanofiltration membrane device, a mother liquor mixing tank, a dosing tank, a filtering device and an impure salt evaporative crystallization unit. The water resource is saved, the environment is protected, salt in the high-saltwastewater is recycled, and the economic benefit of an enterprise is improved. The invention further discloses a high-salt wastewater treatment process for improving the sodium chloride recycling rate. The high-salt wastewater treatment process comprises the following steps: 1, first-stage nanofiltration salt separation; 2, reverse osmosis filtration; 3, sodium trisulfate crystallization and sodium chloride crystallization; 4, mixing and dosing; 5, filtering to remove silicon; 6, second-stage nanofiltration salt separation; 7, crystallization of impure salts. The recycling rate of sodium chloride is increased, and the problems of high sludge yield, high medicament addition amount and low medicament cost caused by traditional methods are avoided.

A comprehensive utilization method for secondary power generation by solid waste solidification and gasification process, comprising the following steps: 1) solid waste solidification: turning domestic waste into dense and hard solid waste rods; (2) waste gasification: solid waste rods Add anti-fire gasifier dry distillation to generate combustible gas; (3) Gasification power generation: supply the generated combustible gas to the internal combustion generator for power generation; (4) Secondary power generation: collect the waste heat of the internal combustion generator, and send it to the low-pressure boiler to generate steam, The generated steam is used to drive the low-pressure steam generator to generate electricity to achieve secondary power generation; (5) slag utilization; (6) waste heat utilization, using the waste heat of the low-pressure steam generator to break open the plastic bags of garbage and dry the garbage moisture. The present invention has the advantages of high recycling rate of domestic waste, no secondary pollution, less project investment, etc., solves the problem of waste leakage pollution, the odor problem caused by the centralized stacking of waste, and the problem of mass production of dioxin, and creates a new A precedent for secondary power generation from domestic waste.

The invention relates to high-performance ceramsite based on phosphate tailings and a preparation method of the high-performance ceramsite. According to the technical scheme, 80-95 wt% of high-silicon phosphate tailings and 5-20 wt% of high-magnesium calcium phosphate tailings are used as raw materials, 3-5 wt% of dextrin is added, and the raw materials are mixed to be uniform; putting the mixture into a granulator, spraying a 3% polyvinyl alcohol aqueous solution which accounts for 2-5wt% of the mixture under a rotating condition, granulating, and drying; heating to 950-1080 DEG C in a medium-temperature furnace at the speed of 2-3 DEG C/min, preserving heat for 2-4 hours, and cooling along with the furnace; and putting the mixture into a modified solution with the concentration of 0.5-3 mol/L, oscillating for 1-1.5 hours in a constant-temperature oscillator, standing and drying to obtain the high-performance ceramsite based on the phosphate tailings. The method has the characteristics of high resource rate of the phosphate tailings, simple process, low production cost and short production period, and the prepared high-performance ceramsite based on the phosphate tailings is high in strength, high in apparent porosity, small in volume density, low in hydrochloric acid solubility and high in removal rate of heavy metal ions Ag < 2 + >, Ni < 2 + > and Cu < 2 + >.

The invention relates to a CaO-MgO-SiO2-H2O cementing material for mine filling and a preparation method of the CaO-MgO-SiO2-H2O cementing material. According to the technical scheme, the preparation method comprises the following steps: mixing 60-80wt% of pretreated iron tailing micro-powder and 20-40wt% of pretreated phosphate tailing micro-powder to obtain a first mixture; adding silica powder accounting for 5-10 wt% of the first mixture, sodium hydroxide accounting for 1-5 wt% of the first mixture and water accounting for 100-200 wt% of the first mixture into the first mixture, and mixing to obtain a second mixture; adjusting the pH value of the second mixture to 11-13, and magnetically stirring to obtain slurry; carrying out solid-liquid separation on the slurry, freezing and drying the separated solid, carrying out heat preservation for 1-3 hours under the condition of 800-1000 DEG C, and carrying out furnace cooling and grinding, so as to obtain the CaO-MgO-SiO2-H2O cementing material for mine filling. The method has the characteristics of high recycling rate, low production cost and simple process, the strength of the prepared product conforms to the specification of Code for Design of Mining of Non-ferrous Metal (GB 50771-2012), and the filling slurry is low in bleeding rate and high in additional value.

The invention discloses a comprehensive utilization technology for reducing sulfur content of high-sulfur coal ash. The technology comprises the following steps: 1, crushing high-sulfur coal to obtaina crushed product; 2, ball-milling the fine crushed product to obtain a ball-milled product; 3, mixing the fine ball milled product to obtain a mixed pulp product; 4, feeding the size mixing productinto a horizontal centrifugal concentrator for separation to obtain centrifugal clean coal and centrifugal tail coal; 5, feeding the centrifugal clean coal into an ore pulp preprocessor, adding an additive, and stirring to obtain centrifugal clean coal ore pulp; 6, introducing the centrifugal clean coal ore pulp into a flotation machine for flotation to obtain water-containing low-ash low-sulfur clean coal and flotation tail coal; and 7, correspondingly dehydrating the water-containing low-ash low-sulfur clean coal, the centrifugal tailings and the flotation tailings. According to the technology, the dissociation degree of sulfur in the coal is refined by crushing and grinding, and the dissociated coal sample is subjected to centrifugal separation and flotation combined separation, so thatthe sulfur content and ash content in the high-sulfur coal are reduced, the feasibility is provided for the utilization of the high-sulfur coal, and the environmental pollution of the high-sulfur coal in the utilization process is reduced.

The invention belongs to the technical field of industrial wastewater treatment, and specifically relates to a purifying treatment method for chloridized tail gas leaching wastewater. The technical problem to be solved of the invention is to provide the purifying treatment method for chloridized tail gas leaching wastewater and the method comprises the following steps: a, adding hydrochloric acidinto the wastewater to regulate the pH (Potential of Hydrogen) value of a control system to be 1 to 2, stirring and removing free chlorine; b, adding alkali liquor to regulate the pH value of the control system to be 3 to 4, and filtrating to remove the solid; c, then adding alkali liquor again to regulate the pH value of the control system to be 9 to 11, and filtrating to remove the solid, wherein the obtained filter liquor is a purified solution. The wastewater subjected to purification through the treatment method provided by the invention is extremely low in impurity content, except for alarge amount of NaCl, and can be recycled directly by the chlor-alkali industry, not only can the environmental protection pressure, which is brought by the wastewater, on related TiCl4 manufacturersbe reduced or even eliminated, but also the manufacturing cost of the chlor-alkali industry is reduced.

The invention discloses equipment and a preparation method for preparing an environment-friendly plastic alloy new material from garbage and sludge in a full-dose mode. The equipment for preparing the environment-friendly plastic alloy new material from the garbage and sludge in a full-dose mode comprises a first screw heating machine, a grinding and mixing machine, a second screw heating machine and a forming mechanism, wherein the first screw heating machine, the grinding and mixing machine, the second screw heating machine and the forming mechanism are connected in sequence. According to the equipment for preparing the environment-friendly plastic alloy new material from the garbage and the sludge in a full-dose mode, full-dose resource recycling of the garbage and the sludge can be achieved, zero incineration and zero landfill are achieved, the construction number of garbage incineration power plants and sludge treatment plants can be greatly decreased, therefore, land occupation and carbon emission are greatly reduced, in addition, waste recycling can be achieved, garbage and sludge treatment cost is reduced, and contribution is made to development of circular economy.