43results about How to "Easy to recycle" patented technology

An artificial turf system (10) includes a primary backing layer (12) and a shock absorption component (20). The primary backing layer (12) has a plurality of artificial turf yarns (14) projecting upwardly from the primary backing layer (12). The shock absorption component (20) is composed of a sheet of three-dimensional random loop material 3DRLM (30). The sheet of 3DRLM (30) is in contact with the primary backing layer (12). The shock absorption component (20) includes (i) a cushioning layer (40) and (ii) a shockpad (50). The 3DRLM (30) in the cushioning layer (40) has an apparent density that is greater than the apparent density of the 3DRLM (30) in the shockpad (50).

The invention discloses a preparation method and application of a magnetic reduction microbial flocculant, and relates to a preparation method and application of a microbial flocculant. The inventionaims to solve the problem of low heavy metal reduction efficiency of a microbial flocculant. The preparation method comprises the steps: 1, preparing Fe3O4 particles; 2, preparing a microbial flocculant MFX solution; 3, preparing a magnetic microbial flocculant; and 4, loading generated zero-valent iron on the magnetic microbial flocculant by adopting a liquid phase reduction method to obtain themagnetic reduction microbial flocculant. The flocculant has the advantages of high efficiency, suitability for treating low-concentration heavy metal wastewater and the like, has the characteristics of magnetic separation and high reduction adsorption, is easy to separate and recover, has high flocculation efficiency and high reduction adsorption efficiency, and avoids secondary pollution; and thepreparation process is simple, easy to recycle and easy to amplify, and the flocculation usage amount is reduced. The method is suitable for flocculant preparation and heavy metal removal.

Disclosed is a resin and plastic belt pulley and its manufacturing method, wherein the belt sheave includes an inner layer and an outer layer, the outer layer is made of materials including phenol resin, inorganic powder, fortifying fiber and demoulding agent. The inorganic filler is preferably nano silicon oxide, the fortifying fiber is preferably glass fiber, the phenolic resin is preferably linear phenolic resin or soluble phenolic resin.

The invention discloses a treatment and recovery device for meal garbage, and belongs to the technical field of garbage treatment equipment. The treatment and recovery device comprises a primary treatment chamber, wherein the inner side wall of the primary treatment chamber is connected with a first bearing in a clamping manner; a first rotating shaft is connected into the first bearing in a sleeving manner; the surface of the first rotating shaft is fixedly connected with a turnover plate; and the surface of the turnover plate is provided with through holes. In the treatment and recovery device, by the mutual cooperation among an electric dryer, a motor, the turnover plate, the through holes, a first filter plate, a second filter plate, springs, smashing rollers, smashing bases, first convex granules and second convex granules, which are designed, the drying and the smashing are achieved, so that the meal garbage is convenient to recycle and store; kitchen garbage can be made into feed when being just generated; therefore, the breeding of bacteria is inhibited; not only is the sanitation of a kitchen ensured, but also the made feed is green and environment-friendly; the health ofa fed pet is ensured; a spend of feeding the pet is reduced; and the further improvement of the living levels of people is facilitated.

The invention discloses a copper-doped mesoporous titanium dioxide composite material and application thereof. The composite material is prepared through the following steps: synthesizing copper phthalocyanine by using a liquid phase process at first, then compounding the copper phthalocyanine into a titanium dioxide gel by using a sol-gel process, and then carrying out calcining at high temperature so as to obtain a copper-doped mesoporous titanium dioxide microsphere. Such a method realizes doping of copper and formation of mesopores in silica in one step, so the preparation method is simple. The copper-doped mesoporous titanium dioxide composite material uses nanometer titanium dioxide as a main component, and then atom-grade doping of a small amount of copper is carried out, so the copper-doped mesoporous titanium dioxide composite material has high stability, the energy gap of titanium dioxide is reduced, electron transfer efficiency is improved, and the utilization efficiency ofsunlight is enhanced; and the composite material has a large specific surface area and high surface activity, effectively increases the contact area between titanium dioxide and a substrate, enhancesthe absorption efficiency of light energy, and is improved in photocatalytic efficiency. The composite material has good photocatalytic degradation effect on Rhodamine B and shows broad application prospects in the field of sewage treatment.

The invention relates to a waste collection device for nursing, and belongs to the technical field of medical apparatus and instruments. The waste collection device for nursing comprises a body; a waste collection bin is arranged on the upper side of the body, a rotary separator is arranged in the body; a rotary separation drum screen is arranged in the rotary separator; a liquid collection funnelis arranged on the lower side of the rotary separator; a diversion filter screen is arranged at the lower side of the liquid collection funnel; a diversion pipe is arranged on the lower side of the diversion filter screen; a liquid collection box is arranged at the lower side of the diversion pipe; the right side of the rotary separator is provided with a crushing cutter; the lower side of the crushing cutter is provided with a guide funnel; the lower side of the guide funnel is provided with an electromagnetic guide control door; the lower side of the electromagnetic guide control door is provided with a solid waste collection box, and the lower side of the solid waste collection box is provided with a solid waste placement box. The waste collection device has the advantages of convenient and flexible use, convenient crushing treatment of medical waste, no direct contact with accumulated medical waste in the disposal process, convenient recovery treatment of the medical waste, and high safety.

The invention discloses an adsorbent for heavy metal wastewater treatment and a preparation method thereof. The adsorbent comprises 100-200 parts of modified zeolite powder, 50-100 parts of modified attapulgite, 25-75 parts of a hydrophilic modifier, 5-30 parts of sodium bicarbonate, 75-150 parts of aluminosilicate powder and 300-600 parts of water. The preparation method comprises the steps: step1, preparing the modified zeolite powder; step 2, preparation of the modified attapulgite; step 3, carrying out hydrophilic modification on the modified zeolite powder and the modified attapulgite; step 4, preparing an adsorbent core; and step 5, wrapping an adsorbent shell. The adsorbent has the advantages of good hydrophilicity, strong adsorption capacity, low price and easiness in separation from wastewater, and the preparation process and required production equipment are simple and are easy for industrial production.

The invention discloses an automatic classifying device for can and bottle type garbage. The device comprises a garbage can with rollers at the four corners, the upper side wall of the garbage can isprovided with a feed inlet, an installation plate is arranged inside the garbage can, the installation plate is located under the feed inlet, the upper side wall of the installation plate is providedwith a groove, a conveying belt is installed in the groove, the conveying belt is driven by an external driving mechanism, an object material recognition sensor is fixedly connected to the upper sidewall of the installation plate, a detection head of the object material recognition sensor is located on the side close to the conveying belt, the driving mechanism is a rotating motor, and a fixing disc is placed at the inner bottom of the garbage can. Since a photoelectric sensor and a label recognizer are arranged, various cans and bottles are classified and fall to corresponding collection tanks to be collected in a concentrated mode, manual classification is avoided, cans and bottles can be recycled in the later period, and energy and resources are saved.

The invention discloses a demolition blasting method for a reinforced concrete bracing. The demolition blasting method is used for demolition of a large-sized deep foundation pit bracing, and is characterized by comprising the following steps of: a, embedding blast holes in the top of a cast-in-situ concrete beam to be demolished; b, arranging one priming cartridge in each blast hole, placing a weighed single-hole explosive load in a water-proof plastic bag, inserting a detonator in the water-proof plastic bag, and fixing the detonator by using a fine wire; c, adopting a non-electric initiation network, arranging one non-electric HS-7 detonator in each blast hole, clustering detonating tubes led out of a plurality of adjacent blast holes into a cluster handle according to designed single-section maximum charge quantity, and utilizing an electric detonator as a firing point; d, erecting a protective frame on the side face and the top of the demolition bracing by using steel tubes and buckles; and e, performing direct initiation to demolish the bracing by firing the electric detonator with a capacitive blaster as a blasting power source. The demolition blasting method for the reinforced concrete bracing has the advantages of safety, high efficiency, low pollution, convenience in reinforcing steel bar recovery and resource saving.

The invention belongs to the field of demulsification and dehydration of dirty oil and particularly relates to application of silica gel-supported long-chain alkyl rhamoside in demulsification and dehydration of the dirty oil. A silica gel-supported alkyl polyglucoside demulsifier disclosed by the invention is characterized in that alkyl polyglucoside has the following structure (the formula is shown in the description). A preparation method of the silica gel-supported alkyl polyglucoside demulsifier comprises the following steps: adding silica gel with 300 to 400 meshes and the alkyl polyglucoside into a mixed solvent of diethyl ether and methanol at a volume ratio of 1 to 1; stirring at normal temperature for 0.5 to 1 hour, and evaporating by a rotary evaporator to remove the solvent; heating the remaining mixture to 100 to 105 DEG C under a vacuum condition, and keeping vacuum heating for 24 to 36 hours to obtain tawny powder, namely the silica gel-supported alkyl polyglucoside demulsifier, wherein the use amounts of the mixed solvent, the silica gel and the alkyl polyglucoside are 1 g of the silica gel and 3 mmol of the alkyl polyglucoside respectively in every 10 ml of the mixed solvent.

The invention relates to a high-quality silicon chip cutting fluid. The high-quality silicon chip cutting fluid comprises the following components in parts by weight: 50-60 parts of polyethylene glycol, 5-10 parts of salicylic acid, 8-16 parts of sodium thiosulfate, 2-7 parts of triethylene glycol, 10-18 parts of carboxymethylcellulose, 0.5-5 parts of alkyl sodium sulfosuccinate, 25-30 parts of triethanolamine, 4-12 parts of a surfactant, 4-12 parts of a dispersing agent and 30-35 parts of water. The high-quality silicon chip cutting fluid can be used for improving the stability of silicon carbide, has high redispersion capability, and can also be used for improving the cutting yield and greatly reducing the cutting cost.

The invention discloses a gripping type anchor with cores convenient to disassemble. The gripping type anchor comprises an anchor plate, a fixing head and isolation sleeves; anchor holes are formed in the anchor plate; the fixing head is arranged on the lower side of the anchor plate; the outer diameter of the fixing head is larger than the inner diameter of each anchor hole; through holes are formed in the fixing head; the cores penetrate the through holes of the fixing head and then penetrate the anchor holes during usage; the cores are nested in the isolation sleeves used for isolating the cores from concrete on the outer sides of the cores; an electric heating device is arranged on the anchor plate or the fixing head; the anchor plate or the fixing head is made of fusible materials, and can be softened or fused when the electric heating device realizes a heating effect. A method for recycling the cores of the gripping type anchor with the cores convenient to disassemble includes steps of firstly, electrifying a conducting wire to enable the electric heating device to realize the heating effect until the anchor plate or the fixing head is softened or fused; secondly, pulling out the cores. The gripping type anchor with the cores convenient to disassemble and the method have the advantages that the gripping type anchor is simple and practical in structure, and the method is simple and can be implemented conveniently.

The invention relates to underwater acoustic sensor networks and a node deployment and networking method thereof. A target water area is covered in a hierarchical clustering manner, the networks are divided into three hierarchies, and each hierarchy is divided into multiple continuous 3D spaces; common underwater sensor nodes are uniformly distributed in different depths of the different hierarchies of the target area, sense and collect physical environment data of the surrounding, and form self-organizing clustering networks via the sound wave links; movable underwater nodes can move in the target water area, assess the water quality change of routes, and directly transmit an assessment result to water surface buoy nodes; and the water surface buoy nodes is mixed with communication modules, receive, process, gather and integrate underwater network data via the sound wave communication module, and transmit the network data to a land base station in the multi-hop manner via the radio electromagnetic wave communication module. The underwater acoustic sensor networks and the node deployment and networking method thereof can realize remote monitoring, is wide in monitoring range, high in expansibility and reliability, suitable for underwater applications, and has a good application prospect.

The invention belongs to the technical field of cable material production, and more specifically relates to a halogen-free flame-retardant cable material. The halogen-free flame-retardant cable material is prepared from 100 to 140 parts of polyvinyl chloride resin; 4 to 12 parts of epoxidized soybean oil; 0.3 to 0.8 part of polyethylene wax; 15-30 parts of diisononyl phthalate, 20-28 parts of dioctyl terephthalate, 4-10 parts of a calcium-zinc composite stabilizer, 10-18 parts of magnesium hydroxide, 15-27 parts of aluminum hydroxide, 10-18 parts of magnesium-aluminum hydrotalcite, 3-9 parts of plant ash, 1-4 parts of paraffin oil, 2-6 parts of zinc oxide and 0.5-1.8 parts of hydroxyl silicone oil. The halogen-free flame-retardant cable material is capable of avoiding the defects in the prior art, and magnesium hydroxide and magnesium-aluminum hydrotalcite are added into the cable material, so that the polymerization degree of the cable material is improved, the mechanical strength ofthe cable material is improved, and meanwhile, the flame resistance of the cable material is improved.

The invention discloses a recoverable heavy metal ion adsorbent and a preparation method thereof. The method includes: under room temperature, adding SiO2 powder with a particle size of 140-200nm and ferrocene into acetone, conducting stirring and adding hydrogen peroxide, then performing ultrasonic dispersion, subjecting the obtained mixed liquid to reaction at 170-200DEG C, cooling the obtained reaction liquid naturally to room temperature, then conducting centrifugation, washing the obtained precipitate and dispersing it in deionized water, then adding ammonia water, performing ultrasonic dispersion for 10min, then controlling the temperature at 100-200DEG C to conduct etching for 1-10h, then carrying out natural cooling to room temperature, performing centrifugation, washing the obtained precipitate with deionized water 3-5 times, and then conducting drying at 40-90DEG C, thus obtaining the core-shell structure recoverable heavy metal ion adsorbent, which has good adsorption function on Cd<2+>, Zn<2+>, Cu<2+>, Ni<2+>, Co<2+> and other heavy metal ions, and is easy to recover and reuse under the action of a magnetic field.

The invention relates to the technical field of waste anti-pollution recovery devices, and discloses a laboratory special waste anti-pollution recovery device which comprises a waste treatment box, feeding hoppers are fixedly connected to the two sides of the top of the waste treatment box, a partition plate is fixedly connected to the side wall of the waste treatment box, and a screening opening is formed in the partition plate; and a screening plate is fixedly connected into the screening opening, discharging openings are formed in the two sides of the waste treatment box correspondingly, and sealing covers are hinged to the two sides of the waste treatment box correspondingly. The chemical waste crushing and recycling device is simple in structure and convenient to operate, waste in chemical waste is crushed and recycled through rotation of a plurality of crushing blades, the crushing effect is good, waste liquid in the chemical waste is separated through arrangement of a screening plate and horizontal reciprocating movement of a plurality of cleaning brush bristles, and waste adhering to the screening plate is cleaned; and clogging of the screening plate is prevented, waste and waste liquid can be recycled conveniently, and the requirements of users are met.

The present invention provides a method for separating and purifying an anthraquinone compound and styrene acid from a rhubarb extractive. The method is as below: crushing a rhubarb medicinal material, adding a mixed liquor of benzene-sulfuric acid, heating for reflux extraction, filtering the extracting solution and concentrating under reduced pressure to obtain a rhubarb extract; dissolving the rhubarb extract in methanol, filtering, conducting supercritical fluid chromatography by using a diol chromatographic column, a mobile phase of a supercritical fluid, and a modifier of methanol. The method does not use environmentally hazardous organic solvents, and has green production process; the obtained products have no harmful residues; carbon dioxide can be recycled easily; and the invention has the advantages of low energy consumption and low production cost.