34 results about "Bioasphalt" patented technology

The invention discloses a self-adhesive modified asphalt coating material, a preparation method thereof and a modified asphalt waterproof coiled material. The self-adhesive modified asphalt coating material includes: 20-70 parts by weight of high-grade petroleum asphalt, 5-30 parts by weight of polymer modifier, 5-30 parts by weight of rubber powder, 5-40 parts by weight of filler, 5 parts by weight of bio-asphalt ‑50 parts by weight; the high-grade petroleum asphalt is selected from at least one of the 110‑200# petroleum asphalt; the source of the biological asphalt is a plant resource. The invention can significantly improve the initial tack at low temperature and normal temperature; can significantly improve the bonding performance of self-adhesive bitumen waterproof membrane; can improve heat resistance; after thermal aging, the bonding performance can be kept significantly improved, and the Due to its good adhesion to the base layer, the failure mode is cohesive failure.

The invention discloses a sludge biological asphalt and a preparation method thereof. The preparation method comprises the following steps: (1) adding dried sludge and alcohol in a weight ratio of 1: (10-20) into a reaction kettle, stirring and heating, reacting for 30-120 minutes under the conditions that the reaction temperature is 265-300 DEG C and the reaction pressure is 5-11 MPa, and cooling to obtain a reaction mixture; (2) carrying out solid-liquid separation on the reaction mixture to obtain a solid and a mother solution; (3) concentrating the mother solution to obtain sludge heavy oil; (4) mixing the sludge heavy oil with petroleum asphalt to obtain sludge biological asphalt; wherein the weight ratio of the sludge heavy oil to the petroleum asphalt is (5-30): (70-95). The sludge biological asphalt prepared by the preparation method disclosed by the invention is relatively good in performance.

The invention relates to highway pavement materials, and discloses to swill-cooked dirty oil based modified biological asphalt, a biological asphalt mixture and a preparation method thereof. The modified biological asphalt material comprises the following components in percentage by mass: 33.3-38% of swill-cooked dirty oil residues, 28.6-33.8% of hard asphalt particles, 26.5-34% of resin, 1.2-4.6% of low-density polyethylene (LDPE) reprocessed plastics, and 3-5% of linear SBS (Styrene Butadiene Styrene). The preparation method comprises the following steps: heating the swill-cooked dirty oil residues to be 170 DEG C; uniformly adding the hard asphalt particles; stirring for 30 minutes; shearing for 45 minutes (4000r / min) until the swill-cooked dirty oil residues and the hard asphalt particles are uniformly compatible; uniformly adding the resin; stirring for 60 minutes until the mixture is uniform; cooling until the temperature reaches 155 DEG C; adding SBS and LDPE; continuously stirring and swelling for 40 minutes; shearing for 50 minutes (increasing the temperature to be 170 DEG C, shearing at the speed of 4000r / min); and then stirring to develop for 15 minutes (decreasing the temperature to be 155 DEG C). According to the method, a novel method for directly utilizing the residues obtained after extracting biodiesel from waste grease and reprocessed plastics is provided, and thus a new way is developed for energy conservation and waste recycling.

The invention relates to an environment-friendly warm-mix asphalt rejuvenator and a preparation method thereof. The invention belongs to the field of road engineering and aims to solve the problems of poor diffusion effect of existing asphalt rejuvenator materials and high mixing temperature. Preparation method: 1. Weigh bio-asphalt, epoxidized soybean oil, curing agent, straw fiber and epoxy resin as raw materials; 2. Put bio-asphalt in the raw material in a reactor, add curing agent, Stir evenly at high temperature to obtain a mixture, add epoxidized soybean oil in the raw material, stir at a temperature of 50-60°C, add straw fiber, and continue stirring at a temperature of 50-60°C to obtain an effective component of the regenerant; The effective components of the agent are mixed with the epoxy resin in the raw material. The invention adopts bio-asphalt and other effective components to restore the performance of aged asphalt, enhances the diffusion effect through epoxy soybean oil, and realizes the warm-mix production of recycled asphalt mixture, and the production process is simple and energy-saving.

The invention relates to a highway environment-friendly epoxy biological asphalt material and a preparation method thereof, in particular to an epoxy biological asphalt material to repair a pavement and a preparation method thereof in order to solve the problem that existing biological asphalt materials have difficulty in balancing high- and low-temperature properties. The highway environment-friendly epoxy biological asphalt material is made from, by weight, 100 parts of biological asphalt, 35-60 parts of a curing agent, 1-2 parts of a strong base, 0.5-1 part of a defoaming agent, and 20-34 parts of epoxy resin. The preparation method includes: I, mixing the biological asphalt, the curing agent, the strong base and the defoaming agent to obtain biological asphalt mixture; II, mixing the epoxy resin with the biological asphalt mixture. The combination of the biological asphalt with the epoxy resin herein can balance the high- and low-temperature properties; the cured cross-linked epoxyresin is used to improve the high-temperature performance; the biological asphalt is used to fill the epoxy resin to provide toughening and to improve low-temperature performance; the curing time ofthe combination is well controlled, so that quick pavement repairing is achieved.

The invention discloses a sawdust biomass fuel, which comprises the following raw materials in parts by weight: 60 parts of wood chips, 14 parts of additives, 6 parts of attapulgite powder, 4 parts of rare earth minerals, 2 parts of oxygen enhancer, and 0.3 parts of oxygen increase synergist , 8 parts of biological asphalt, 3.5 parts of blue-green algae mud, 1.5 parts of ammonium sulfate, and the auxiliary agent is polyanionic cellulose. The wood chip biomass fuel prepared by the present invention has high combustion efficiency, good stability, is not easy to be oxidized, can be fully burned, and can reduce the generation of harmful gases. The optimal ratio is obtained, and then the wood chip biomass fuel has the best performance, high use value and good application prospect.

The invention provides a method for preparing bio-asphalt from lignocellulosic biomass hydrothermal charcoal. The invention uses lignocellulosic biomass as raw material, utilizes hydrothermal carbonization technology to prepare hydrothermal charcoal, and then combines it with matrix asphalt to prepare bio-asphalt. Asphalt technology. Biomass includes corn stover, rice straw or wheat straw etc. During the reaction process, the mixture of biomass and water is hydrothermally carbonized at a certain temperature and pressure to form hydrothermal charcoal, which is then combined with asphalt through high-speed shearing to prepare bio-asphalt. The process of the invention is simple, the hydrothermal carbon modifier is well combined with the asphalt, the high temperature performance of the asphalt is improved, and a novel and sustainable method is provided for the improvement of asphalt materials and the utilization of biomass resources.

The invention discloses a synergistic sawdust biomass fuel utilizing tanning waste, comprising the following parts by weight: 58-64 parts of raw wood chips, 10-15 parts of chrome-containing leather chips, 12-16 parts of polyanionic cellulose, and 4-4 parts of attapulgite powder 8 parts, 3-5 parts of bastnaesite, 1-3 parts of oxygen enhancer, 0.2-0.5 parts of oxygen-enhancing synergist, 6-10 parts of bio-asphalt, 2-5 parts of cyanobacteria algae mud, 1-2 parts of ammonium sulfate Parts and 3~5 parts of substance A. The chromium-containing leather shavings of the present invention release a large amount of heat during the combustion process, and the wood chips and chromium-containing leather shavings are used to coordinate and match. With the combination of oxygen-increasing synergist and substance A, it releases a large amount of heat, and the hexavalent chromium Ions are not detected, and the purpose of waste utilization is achieved without secondary pollution.