111results about How to "With recycling" patented technology

The invention provides a microporous-fiber composite sound absorbing board, belonging to the field of instruments for absorbing noises through adopting the resonance principle. The sound absorbing board has a good low-frequency sound absorbing effect, and the sound absorbing coefficient of the sound absorbing board is larger than 0.5 at 125Hz. Compared with an aluminum fiber absorbing board, the sound absorbing board has a wider absorbing absorption band. The sound absorbing coefficient of the sound absorbing board is not smaller than 0.4 at 250-1600Hz. The composite sound absorbing board is formed by compounding a micro-perforated board with an aluminum fiber board and adopts a double-resonance coupling structure. The micro-perforated board is connected with the aluminum fiber board through a keel frame to form a first resonating cavity, and the aluminum fiber board is connected with a wall through the keel frame to form a second resonating cavity. The micro-perforated board and the aluminum fiber board are coupled through a resonance peak to achieve the purposes of increasing the low-frequency sound absorbing effect and expanding the absorbing absorption band. The composite sound absorbing board adopting an all aluminum structure has the characteristic of good recycling, and the problems of aging, dropping and the like do not exist. The sound absorbing board also has the characteristic of good heat conduction, and is convenient for equipment to dissipate heat.

The invention relates to a snow melting system and a method for recycling accumulated snow, particularly to a hot-air circulating two-layered snow melting system and the method for recycling accumulated snow, which solve the problems that the existing method for treating the accumulated snow wastes resource and pollutes the environment. The hot-air circulating two-layered snow melting system includes a two-layered subsurface-flow constructed wetland landscape pond and a snow melting well, wherein the snow melting well includes a thermal insulation cover, a well wall, a thermal insulation operation door, a heating grate A, a heating layer, a bottom heating pipe, a water drain pipe, a first step, a first rotating shaft, a heating vertical pipe, a groove and a filter grating. The method includes the following steps: collecting the accumulated snow, throwing the accumulated snow into the snow melting well through the thermal insulation operation door, and carrying the melted snow to the two-layered subsurface-flow pond through the deposited and overflowed clear water. The hot-air circulating two-layered snow melting system avoids the environmental pollution caused by snow melting agent, as well as the resource waste caused during accumulated snow transferring and toppling, is environment-friendly, facilitates the timely accumulated snow treatment, avoids the pollution caused by long-time exposure, and solves the road freezing problem caused by repeated freeze-thaw. The method is used for recycling the accumulated snow.

The invention discloses a method for deepening and fertilizing a middle-low yield argil rice field plough layer in the hilly areas of south China. The technology for direct wheat straw field return for soil improvement, the technology for applying organic fertilizer, curing the plough layer and improving soil fertility, the technology for deeply ploughing soil to transform the bad soil structure of middle-low yield argil, the technology for applying a soil conditioner to neutralizing hazardous substances, the technology for rice optimization fertilizer application and nitrogenous fertilizer operation management for soil nutrient balance, the technology for improving the soil nutrient deficiency condition and recovering soil fertility through scientific crop rotation and the like are integrated.

The invention discloses a two-level wood-plastic composite material and process for preparation. An inner core body of the composite material is compounded by coarse wood flour or agricultural straw powder and waste plastics. According to the percentage by weight, the coarse wood flour or the agricultural straw powder is 60-75%, and the waste plastic is 25-40%. When being combined, added coupling agent is additionally weighed and is 1-5% of the gross weight of main body materials, and lubricating agent is 0.5-5%. An outer layer is compounded by pure wood floor and novel plastic. According to the percentage by weight, the pure wood floor is 30-50%, and the novel plastic is 50-70%. When being combined, the added coupling agent is additionally weighed and is 1-5% of the gross weight of the main body materials, functional auxiliary agent is 1-5%, lubricating agent is 0.5-5%, and the thickness of the outer layer is equal or more than 3 millimeters. The process for preparing the composite material has the steps of raw material preparation, mixing granulation, extrusion molding, shaping, cooling, pulling, cutting and the like. The two-level wood-plastic composite material of the invention has the advantages of wood property and plastics property.

The invention relates to a method for absorbing carbon dioxide by using mixed solution containing ionic liquid, belonging to the technical field of carbon dioxide treatment. The mixed solution is mixed solution of ionic liquid A and ionic liquid B, or mixed solution of ionic liquid A or ionic liquid B and organic solvent C, wherein cations in the ionic liquid A are N, N-dialkyl imidazole cations and anions in the ionic liquid A are tetrafluoroborate radical anions, hexafluorophosphate radical anions or chloride ions; cations in the ionic liquid B are N, N-dialkyl imidazole cations and anions in the ionic liquid B are trifluoromethyl sulfamide anions; and the organic solvent C is methanol or acetone. The method comprises the steps of adding mixed solution containing the ionic liquid into a reaction kettle, vacuum pumping, feeding in CO2, keeping absorbing temperature to be 10-80 DEG C, agitating for absorption, and keeping CO2 balance pressure to be 0.01-10Mpa. The method for absorbing carbon dioxide by using mixed solution containing ionic liquid has the advantages that the solubility and the selectivity are higher and the defects of high volatility and high toxicity caused by a reason that pure organic solvent is used can be overcome at the same time.

The invention relates to a method for burning chlorine-containing waste liquid and chlorine-containing waste gas and treating tail gas. The method comprises the steps of furnace baking, burning of thewaste liquid and the waste gas, recycling of waste heat, removing of chlorine in a rapid cooling mode, nitrogen removing through hydrogen peroxide and alkaline cleaning for dust removing. Various forms of dangerous waste are treated through an incinerator, adaptability is high, operation is easy, safety and reliability are achieved, and operation is stable. The flue gas is subjected to removing of chlorine in a rapid cooling mode, removing of nitric oxide and alkaline cleaning for dust removing in sequence and then discharged into atmosphere, and the purpose of recycling a heat source is alsoachieved while environmental pollution is reduced.

The invention discloses a titanium dioxide/nanosilver/cocoon fiber magnetic porous composite material and a preparation method thereof. The preparation method comprises the following steps: modifying salix psammophila cellulose by using polydopamine; carrying out freeze-drying treatment by using liquid nitrogen to obtain the magnetic porous composite material; immersing the magnetic porous composite material into a mixed solution with a silver-ammonia solution and titanium dioxide nanotubes for reacting for 60-300 minutes, taking the magnetic porous composite material out of the mixed solution, then repeatedly washing the magnetic porous composite material with deionized water, and carrying out vacuum drying to obtain the magnetic porous composite material. According to the magnetic porous composite material, salix psammophila and cocoon fibers are used as base materials, so that raw materials are abundant and the cost is low; then magnetic nano ferroferric oxide, nanosilver and titanium dioxide nanotubes are effectively and synergistically self-assembled to obtain a porous nanocomposite material; the porous nanocomposite material has important application values in the fields such as adsorption materials, photocatalysis, biological materials and medical materials and the like.

The invention discloses equipment for cyclic regeneration of construction waste into garden soil and a garden soil manufacturing process. The equipment comprises an equipment box, a crushing box is fixedly connected to the left side of the inner wall of the equipment box, a first filter plate is fixedly connected to the right side of the inner wall of the equipment box, a first material guide plate is fixedly connected to the right side of the crushing box, and the first material guide plate is arranged below the first filtering plate, sequentially penetrates through the equipment box and a collecting box and extends into the collecting box. The left side of the equipment box is fixedly connected with a spiral conveying piece, the right side of the spiral conveying piece communicates witha feeding hopper, the right side of the spiral conveying piece communicates with a conveying pipe, and the conveying pipe penetrates through the equipment box and communicates with the top of the crushing box. The first filtering plate and a second filtering plate are arranged for filtering in the two transportation processes correspondingly, construction waste meeting the size condition can be effectively filtered and collected in advance, and does not need to enter the crushing box for unnecessary crushing, energy is saved, and the efficiency is improved.

The invention relates to the field of disposable tableware, and aims to provide fully-degradable disposable vegetable fiber tableware which is capable of realizing full degradation. The fully-degradable disposable vegetable fiber tableware is prepared by mixing and pressing the following components in parts by weight: 65-80 parts of vegetable fibers, 6-8 parts of polyvinyl alcohol, 0.5-1.0 part of edible pigment, 1-2 parts of polyethylene wax, 1-2 parts of glycerol, 1-2 parts of sodium bicarbonate, 1-2 parts of edible gelatine, 1-2 parts of terpene resin and 1-2.5 parts of shellac.

The invention relates to a method for extracting jack fruit aromatherapy oil from ionic liquids, which belongs to the technical field of aromatherapy oil. The method comprises the following steps: weighing 50-100 parts of jack fruit pulp, pulping at -30 to -10 DEG C by a low-temperature liquid nitrogen pulping technique so as to obtain a jack fruit pulp liquid to ensure that the fragrance ingredients in the jack fruit are effectively prevented from volatilization loss, uniformly mixing the jack fruit pulp liquid with 20-40 parts of 1-ethyl-3-methylimidazole hexafluorophosphate ([Bmin]PF6), putting the mixture into an extraction liquid, extracting jack fruit volatile oil under the microwave power of 100-500 W and at 100-170 DEG C, condensing and recycling the volatile oil by an extractor for 30-50 minutes till that the volatile oil is completely extracted, collecting the volatile oil, drying by anhydrous sodium sulfate, and sealing, refrigerating and storing the volatile oil at 0-5 DEG C. The extraction method is high in extraction rate, the extracted medium ionic liquids can be recycled and circulated, and the method has environment-friendly and non-pollution effects and is applicable to industrial production.

The invention discloses a secondary aluminum ash alkalescent washing harmless treatment method, belongs to the technical field of aluminum ash treatment, and adopts a technical method for hydrolyzing aluminum nitride in a high-temperature water bath heating environment by doping an alkalescent catalyst. According to the method, the problems that in the harmless treatment process of the secondary aluminum ash, a traditional chemical treatment method is difficult to separate, high in manufacturing cost, prone to generating secondary hazardous waste, very difficult to apply to concrete mineral admixtures and the like are solved, aluminum nitride in the secondary aluminum ash can be remarkably removed, and the volatilization toxicity of the secondary aluminum ash is effectively reduced.

The invention discloses a planting method for high-yield fruit corn. The method comprises the following steps of 1 seed treatment, wherein corn seeds are subjected to virus-free treatment, then soakedwith a sodium bicarbonate solution and then mixed with fermented bean flour to be stored; 2 germination acceleration, wherein the stored seeds are activated and soaked with a germination accelerationsolution to be treated; 3 soil preparation, wherein organic fertilizer is applied to land, a plant ash solution, an EM bacteria agent solution and functional charcoal dust are adopted for soil afterploughing is performed; 4 seedling growing, wherein loess, organic fertilizer and functional charcoal dust are mixed and put into a planting cup, the planting cup is sleeved with a plastic cup, germinating seeds are sown in the planting cup for seedling growing; 5 planting, wherein the plastic cup outside the planting cup is removed, the planting cup is placed into a planting pit and covered withsoil; 6 daily management, wherein when seedlings grow to 1-1.2 m and bloom, organic fertilizer is applied in a dressing mode, a plant ash solution and a limewater solution are sprayed periodically, and insecticide is applied according to the actual plant disease and insect pest condition.

The invention discloses a preparation method of N,N'-dicyclohexyl urea, which is characterized in that: anionic functionalized ionic liquid absorbs CO through chemical action ₂ In situ reaction of carbon source and cyclohexylamine, N,N'-dicyclohexylurea was prepared under mild conditions. with traditional CO ₂ Compared with the method of preparing N,N'-dicyclohexyl urea directly with cyclohexylamine reaction, this method has the advantages of low reaction temperature and pressure, CO ₂ The utilization rate is high, the anionic functionalized ionic liquid can be recycled, and no additional catalyst, dehydrating agent and solvent are needed. It is a preparation method of N,N'-dicyclohexyl urea with industrial application potential.

The invention relates to an environmental friendly energy-saving recycled building template and a manufacturing method thereof. The building template and the method are characterized in that the building template is prepared from following components: 80-90% of powder of waste PPR, PE and PVC with the particle fineness of the powder being 60-80 meshes, 10-20% of active calcium carbonate powder with the particle fineness being 1500-2000 meshes, and 5-8% of various-color foaming adjusting agents. Compared with the prior art, building wastes are fully utilized, and the produced building template has advantages of environment protection, energy conservation, cyclic regeneration, ageing resistance, waterproofness, moisture-proofness, no deformation, no cracking, no mildew, light and convenient conveying, capability of being economical, and the like.

The invention relates to a construction tool for repairing a highway asphalt pavement. The tool comprises a drilling machine and a support, the support comprises a first transverse rod, a second transverse rod and a plurality of vertical rods. The first transverse rod is vertically connected with the second transverse rod; the vertical rods are respectively vertical to the first transverse rod andthe second transverse rod; first sliding grooves are formed in the first transverse rod in the length direction and the second transverse rod in the length direction. The first sliding groove of thefirst transverse rod is communicated with the first sliding groove of the second transverse rod; the first sliding groove is slidably connected with a sleeve used for sleeving a drilling machine through a first sliding block, the first sliding block penetrates out of the first sliding groove and is provided with a second sliding groove in the direction parallel to the vertical rod, and a second sliding block is slidably connected in the second sliding groove and penetrates out of the second sliding groove to be connected with the sleeve. The method has the effect of conveniently determining the range and depth of the milling groove.

The invention relates to a multifunctional floor coating plate manufacturing platform. The multifunctional floor coating plate manufacturing platform comprises a base and a platform which is positioned above the base and is separated into a manufacturing area and a maintenance area by a baffle plate; the manufacturing area of the platform is provided with a lifting baseplate which is used for manufacturing floor coating plates; a blending hopper is arranged above the baseplate; at least two weighing hoppers are arranged above the blending hopper; and the maintenance area of the platform is provided with a dust-free constant temperature cover. The multifunctional floor coating plate manufacturing platform has the beneficial effects that the manufacturing area and the maintenance area of the floor coating plate are arranged on the same platform, thereby avoiding the long-distance conveying and reducing occupied space; meanwhile, the multifunctional floor coating plate manufacturing platform has the functions of weighing, recycling wastes and leveling on the platform and greatly improves the manufacturing efficiency.

The present invention relates to a walnut peeling machine, the name is a walnut peeling machine with a water flushing device, comprising a walnut peeling machine body, the walnut peeling machine body has an inlet, a crushing chamber and a discharge port; There is also a water inlet pipe below the crushing chamber, a screen is arranged below the discharge port, a pool is arranged below the screen, the pool is connected to the filter pool, and a water pump is connected to the filter pool, and the water pump is connected to the water inlet. Such a walnut peeling machine has the advantages of being able to separate the walnut skin and the walnut fruit and being easy to use; there is a pool below the screen, the pool is connected to the filter pool, and the water pump is connected to the filter pool, and the water pump is connected to the water pipe. The advantages of water recycling and water saving.