46results about How to "Promote circular economy" patented technology

The invention discloses a semiochemical compound color plate and a preparation method thereof. The semiochemical compound color plate comprises a substrate provided with colors, wherein the surface of the substrate is coated with insect gluing viscose, and the insect gluing viscose is formed by mixing sticky mucilage glue and appropriate semiochemicals according to a certain proportion. The synergistic action of the semiochemicals and visual information to food taking, oviposition and other actions of insects is utilized to optimize the color wavelength of each insect, semiochemical components are combined with a viscose plastic (PP (polypropylene), PVC (polyvinyl chloride) or PE (polyethylene)) or paper color plate to prepare the semiochemical compound color plate, the short distance ofthe visual information is overcome, the trapping efficiency and the trapping range are greatly increased, and male and female injurious insects can be trapped. The semiochemical compound color plate can be used for trapping aphids, aleyrodids, liriomyza sativae, diamond back moths, empoasca vitis, aleurocanthus spiniferus, thrips and various other hemiptera, homoptera, lepidoptera and diptera injurious insects, particularly insects hidden under leaf surfaces or in the shadow. The utilization efficiency of the color plate is greatly improved, and the dosage of the color plate is reduced so as to reduce the cost.

The invention discloses a technological method for producing copper rice grains by recovering waste wires and cables based on an improvement of the prior production mode that the waste wires and cables recover copper raw materials. The technological method has low cost, small energy consumption, less discharge and no waste pollution, meets the requirement of circular economy development, and can obtain a copper rice grain product the purity of which reaches 99.9 percent. The technological process comprises the steps of classification inspection, loading, primary crushing, secondary crushing, and vibration separation; the angle of a vibration sieve is adjusted according to the content of copper and the wire diameter, and the copper rice grains and plastic are subjected to optional separation through vibration sieving; a material from a mixed material port flows into an air suction pipe, and is sent for secondary crushing through a circulating air pipe; the air suction pipe above the vibration sieve sucks plastic fibers and other dust in the space of the vibration sieve to a dust collector for treatment; the qualified copper rice grains obtained at a copper outlet flow into a packing bag; and the finished product inspection is performed, namely the obtained copper rice grains enter a warehouse through the inspection.

The invention discloses a polyvinyl chloride cleaning closed loop preparation system and method. The polyvinyl chloride cleaning closed loop preparation system comprises a chlorine absorption device, a caustic soda device, a magnesium hydroxide device, a magnesium oxide device, a calcium carbide device, an acetylene device, a VCM (Vinyl Chloride Monomer) device, a PVC (Polyvinyl Chloride) device, a C-PVC (Chlorinated Polyvinyl Chloride) device, an E-PVC (Emulsion Polyvinyl Chloride) device and a cement device, wherein the chlorine absorption device, the caustic soda device, the magnesium hydroxide device and the magnesium oxide device are connected together sequentially, a product of a front device is a raw material of a next device; the calcium carbide device, the acetylene device, the VCM device, the PVC device, the C-PVC device and the E-PVC device are also connected together sequentially, a product of a front device is a raw material of a next device; and calcium carbide slag produced by the acetylene device can be recycled as a raw material used for producing cement. With the adoption of the system and the method, polyvinyl chloride cleaning closed loop preparation of resource, production, product, consumption, waste recycling, production, product and consumption is realized, thus driving comprehensive development of multiple resources such as chloride, sodium, coal, limestone and the like, and constructing an integral industry chain of circular economy.

The invention discloses a cascade utilization battery pack group control method and system. The method comprises the following steps: I, acquiring battery pack group electrical data; II, judging whether to enter a discharging or charging mode according to the electrical data, and entering the next step if the discharging mode is entered; III, comparing the voltage of the first battery pack group with the voltage of the second battery pack group, discharging the first battery pack group if the voltage of the first battery pack group is greater than the voltage of the second battery pack group,otherwise discharging the second battery pack group; IV, comparing the voltage of the first battery pack group with the voltage of the second battery pack group once again, and discharging the first battery pack group and the second battery pack group in parallel if the voltage of the first battery pack group is the same as the voltage of the second battery pack group; and V, when one of the firstbattery pack group and the second battery pack group is detected to be lower than a discharging threshold, terminating discharging of the group, and ending discharging of the battery pack groups tillthe other battery pack group is also detected to be lower than the discharging threshold. The system is provided with two battery pack groups which are connected in parallel.

The invention discloses a method of purifying biogas into natural gas, and is characterized in that after the biogas is subjected to sulfur removal, washing, carbon removal, impurity removal and drying, the content of methane is up to more than 93%, and the biogas reaches standard requirements of the natural gas for vehicles.

The invention discloses an intelligent assembly robot for wall panels. The intelligent assembly robot for wall panels comprises a chassis (1), a middle frame (2) and an upper frame (3). The upper frame (3) is hinged to the middle frame (2) through hinges A (5). An upper turning hydraulic cylinder (6) is disposed between the upper frame (3) and the middle frame (2). The upper frame (3) is provided with a gripping plate (7), a front end clamp plate (8) and a rear end clamp plate (9). A front frame bar B (15) of the middle frame (2) is hinged to the chassis (1) through hinges B (16). A middle turning hydraulic cylinder (17) is disposed between the middle frame (2) and the chassis (1). A travelling mechanism is disposed on the lower portion of the chassis (1). The intelligent assembly robot for wall panels has the advantages that manual operation is replaced by mechanical operation, mounting efficiency and labor security are improved, and labor intensity is reduced; the double-tier structure is adopted, the hydraulic technology is adopted, reliability is high, exerted force is large, control is facilitated, and the functions of gripping, transporting and placing partition boards are successfully realized.

The invention provides a toughened scratch-resistant ABS/PET alloy and a preparation method thereof. The toughened scratch-resistant ABS/PET alloy is prepared from, by weight, 65-85 parts of ABS resin, 15-30 parts of PET resin, 0-6 parts of a scratch-resistant modifier, 0-8 parts of a toughening modifier, 0-5 parts of a compatilizer, 0-0.5 part of an antioxidant, 0-1 part of a lubricating dispersant and 0-2 parts of a filler. The toughened scratch-resistant ABS/PET alloy is simple in processing technology, low in production cost and simple in application mode; a forming processing technology of the toughened scratch-resistant ABS/PET alloy is the same with that a common ABS/polyester alloy material; and silicone rubber and silicone are synchronously adopted to improve the performance of the ABS/PET alloy. Compared with a traditional ABS/PET alloy material, the ABS/PET alloy material is excellent in toughness and surface scratch resistance, the application range of the ABS/PET alloy material is greatly expanded, and the ABS/PET alloy material can also be used for recycling mineral water bottle PET materials and is beneficial to cyclic economy.

The invention adopts the technical scheme as follows: a potassium-enriched organic slow-release compound fertilizer comprises the following components: 1-3% of amino acid chelated microelement, 1-5% of humic acid, 0.1-0.5% of nitrogen-fixing bacteria, 0.2-1.5% of pesticide, 1-4% of water-soluble organosilicone, 15-35% of urea, 2-8% of ammonium dihydrogen phosphate, 1-5% of nitrogen-pyridine, 1-5% of plant ash and the balance of crushed straw, wherein the amino acid chelated microelement provides metal microelements for crop growth; the humic acid improves the fertilizer efficiency, improves soil, stimulates the crop growth and improves the quality of agricultural products; the nitrogen-fixing bacteria increase the using efficiency of nitrogen element and improve the fertilizer efficiency; the pesticide avoids a plague of insects; the organosilicone adsorbs the fertilizer to form slow release to a certain degree; the urea provides a nitrogen fertilizer for crops; the ammonium dihydrogen phosphate provides a phosphate fertilizer and a nitrogen fertilizer for the crops; the nitrogen-pyridine plays a nitrogen-fixing role, reduces the loss of the nitrogen fertilizer and enhances the fertilizer efficiency; the plant ash provides potassium and other microelements for the crops and enhances the fertilizer efficiency; the crushed straw is a basic fertilizer of the potassium-enriched organic slow-release compound fertilizer. The potassium-enriched organic slow-release compound fertilizer is conducive to circular economy, helps to reduce the using amount of a conventional fertilizer, and can recuperate soil.

The invention discloses a grain production and water environment protection circulation system for modern agriculture and belongs to the technical field of agriculture and environment. A large livestock breeding base and a large slaughter deep processing base convey livestock manure and offal into a large industrial biogas center; the large industrial biogas center is combined with an urban waste processing center to send biogas slurry and biogas residue to a biogas slurry processing center and a biogas residue processing center, and then converts the biogas slurry and the biogas residue and sends the biogas slurry and the biogas residue to an organic fertilizer production base; produced organic fertilizers are sent into a modern pollution-free agricultural production base; and fuel and raw materials which are processed through the large industrial biogas center are sent to a biodiesel raw material center and a biogas and ethanol fuel raw material center. The agricultural circulation can be developed towards targets of two zero growths which are agricultural resource and agricultural energy consumption zero growth and agroecological environment degradation rate zero growth zero growth, and thus an agricultural development model of efficient sustainable use of the agricultural resources and virtuous circle of the ecological environment is adopted positively.

According to the technical scheme, the invention provides an organic compound fertilizer with an insecticidal function. The organic compound fertilizer comprises the following components: 1-3% of amino acid chelated microelements, 0.2-1.5% of an insecticide, 3-10% of kieselguhr, 15-35% of urea, 1-3% of water-soluble fiber PVA, 1-5% of nitrogen-pyridine and the balance of crushed straw, wherein the amino acid chelated microelements are used for providing metal microelements for plant growth; the compound fertilizer contains multiple organic matters, so that multiple injurious insects are caused, and assist of a certain insecticide is needed to avoid the plague of insects; the kieselguhr is used for adsorbing the fertilizer and forming a certain degree of slow release; the urea is used for providing crops with a nitrogen fertilizer; the water-soluble fiber PVA plays a role of a binder, is used for attaching the nitrogen fertilizer on the kieselguhr to strength the adsorbability of the kieselguhr, and is more beneficial to slow release and increase of the fertilizer efficiency; the nitrogen-pyridine is used for playing a role in fixing nitrogen, reducing loss of the nitrogen fertilizer and increasing the fertilizer efficiency; and the crushed straw belongs to a basic fertilizer and is beneficial to circular economy and beneficial to reduction of the dosage of a traditional fertilizer, so that the soil can be able to rehabilitate.

The invention relates to a method for preparing biogas by anaerobic digestion of sludge and the obtained biogas, and the method comprises the step of carrying out digestion reaction on fresh sludge, inoculated sludge and biochar under a closed anaerobic condition to obtain the biogas and first digested sludge. The method for preparing the biochar by pyrolyzing the digested sludge, provided by the invention, is simple to operate and low in cost, and the prepared biochar has a good effect of enhancing anaerobic digestion to produce biogas; the method is also beneficial to reducing the environmental pollution problem of the sludge, and can realize the resource utilization of the sludge.

The invention relates to an alga-based organic slow-release compound fertilizer which comprises the following components: 1-3% of alga, 1-3% of tobacco dust, 2-5% of plant ash, 1-5% of fulvic acid, 0.1-0.5% of azotobacter, 15-35% of isobutydine-diurea-coated urea, 2-8% of isobutydine-diurea-coated ammonium dihydrogen phosphate, 1-5% of nitrogen-pyridine, 0.1-0.5% of triacontanol, 0.1-0.5% of 2-diethyl aminoethyl hexanoate, 0.1-0.5% of sodium indolebutyrate and the balance of pulverized straw. The alga is used as an organic matter fertilizer and corrosion inhibitor; the plant fibers and lignin in the tobacco dust are utilized to provide organic fertilizers; the plant ash provides a potash fertilizer and minor elements for the compound fertilizer; the fulvic acid enhances the effects of the fertilizer, improves the soil, stimulates the plant growth and improves the agricultural product quality; the azotobacter performs the nitrogen fixing function; the urea is coated in the isobutydine diurea to have the slow-release effect; the ammonium dihydrogen phosphate is coated in the isobutydine diurea to have the slow-release effect; the nitrogen-pyridine performs the function of nitrogen fixation; and the combination of the triacontanol, 2-diethyl aminoethyl hexanoate and sodium indolebutyrate is used as a growth regulator. The alga-based organic slow-release compound fertilizer belongs to a base fertilizer.

The invention discloses a soil remediation agent. The soil remediation agent is prepared from the following components in parts by mass: 10 to 20 parts of cow dung, 10 to 20 parts of sheep manure, 10to 20 parts of straws, 10 to 20 parts of vinasse, 10 to 15 parts of calcium superphosphate, 1 to 5 parts of molasses, 5 to 10 parts of humic acid, 1 to 5 parts of bacillus, 1 to 5 parts of lactic acidbacteria, 1 to 5 parts of zymophyte, 1 to 5 parts of photosynthetic bacteria and 10 to 20 parts of one or a combination of shell powder and oyster powder. The soil remediation agent disclosed by theinvention has the beneficial effects that (1) by reusing the cow dung and the sheep manure and wastes such as the straws, the circular economy is promoted, and remediation of soil is also completed; (2) by adding one or the combination of the shell powder and the oyster powder, mineral substances in the soil are effectively supplemented, so that the mobility of heavy metals is effectively reduced,and the concentration of heavy metal ions in the soil is obviously reduced; (3) by adding the molasses, the humic acid and the vinasse, reproduction and metabolism of microorganisms are promoted, theeffects of the microorganisms are strengthened, and degradation of organic pollutants by the microorganisms is promoted.

The invention relates to a coating for anti-camouflage dark green coils, comprising the following components in percentage by weight: 45-60% of polyester resins, 6-8% of amino resins, 20-30% of special pigments, 0.1-0.5% of catalyst and 10-25% of mixed solvent, wherein, the special pigments include titanium dioxide powder, a yellow pigment, a green pigment and a black pigment. The invention also provides a preparation method and application of the coating. The polyester resins and the amino resins are crosslinked and the pigments with the infrared camouflage function are used in a matched manner to meet the requirements of outdoor camouflage for the functions of colors. The coating is coated through production line, is convenient for construction after coating, can be used for reprocessing of the steel plates and reduce the pollution caused by solvent volatilization to the environment during film forming and is beneficial to the national recycling economy.