44results about How to "Fully cracked" patented technology

The invention relates to a high-strength high-ductility low-density steel plate of the 1200 MPa grade and a manufacturing method thereof. The high-strength high-ductility low-density steel plate is prepared from the following components according to mass percent: 0.7 to 1% of C, 13 to 20% of Mn, 8 to 11% of Al, 1 to 4% of Ni, less than 0.1% of Si, less than 0.01% of S, less than 0.01% of P, 0 to 0.1% of Ti, 0 to 0.1% of Nb and 0 to 0.15% of V; the tensile strength is 1200 to 1300 MPa, the elongation is 30 to 40%, and the density is 6.5 to 7 g/cm<3>. The manufacturing method comprises the following steps of (1) smelting molten steel according to the components, and pouring; (2) heating to 1100 to 1200 DEG C, performing hot rolling after heat preservation, and performing water cooling to theroom temperature after hot rolling is finished; (3) heating to 900 to 1100 DEG C, and performing water cooling after heat preservation; (4) performing cold rolling after pickling; and (5) heating to800 to 1000 DEG C, and performing air cooling after heat preservation. The low-density steel plate has high strength and high ductility.

The invention relates to the technical field of a clean energy source, in particular to a coal and biomass mixing process. The mixing liquification of coal, biomass and oil is creatively realized forthe first time. Firstly, coal and biomass raw materials are subjected to treatment of crushing, compression and secondary crushing; then, slurry is prepared; biomass coal oil slurry with high solid content and capability of being stably conveyed by a pump is successful obtained, so that high-viscosity waste oil which cannot be used as a coal and biomass liquification solvent in the prior art can also be utilized. Hydrogen gas is introduced into the biomass coal oil slurry for reaction, so that coal and biomass are liquified at high pressure and high temperature; then, cracking and hydrogenation reaction are further performed, so that the conversion of coal and biomass into biological oil is realized. The process provided by the invention has the advantages that the coal and biomass conversion rate can reach 90 to 99 percent; the yield of the biological oil can reach 60 to 80 percent; the residue quantity is not higher than 2.5 weight percent.

The invention provides a garbage cracking furnace system and belongs to the technical field of a garbage cracking furnace.The system solves the problems that an existing garbage cracking furnace causes environment pollution, and the cracking effect is not good.The garbage cracking furnace system comprises a garbage smashing and dehydrating mechanism, a garbage pre-airing mechanism and a garbage cracking furnace which are sequentially connected.A high-temperature waste gas outlet of the garbage cracking furnace is connected with a hot air inlet of the garbage pre-airing mechanism through a pipeline, and accordingly pre-airing treatment is conducted on garbage by means of high-temperature waste gas.A cold air outlet of the garbage pre-airing mechanism is connected to a purification condenser, and a purified air outlet of the purification condenser is connected to the garbage cracking furnace so that the purified air can return into the garbage cracking furnace for use.The system has the advantages of being capable of avoiding environment pollution, according with the concept of environment friendliness, improving work efficiency of the garbage cracking furnace, being high in carbon recycling efficiency and the like.

The invention relates to the technical field of clean energy, and specifically provides a multi-grade liquefying technology of coal and biomass. The technology is characterized in that the coal and the biomass raw materials are processed by crushing, compressing and crushing again, then the sizing is prepared, so that biomass diesel oil which is high in solid content and can be stably conveyed through a pump can be obtained; high-viscosity waste oil which cannot be used as a coal and biomass liquefying solvent in the prior art can be utilized. According to the technology, coal and biomass canbe liquefied under high pressure and high temperature in the existence of proper volume of water; the liquefying product is sequentially subjected to primary cracking, hydrogenation reaction and deepcracking and hydrogenation reaction under the effects of resisting hydrogen and a first catalyst and a second catalyst, so that the coal and the biomass can be converted into biomass oil, and the biomass oil can be refined; the conversion rate of the biomass and the coal is up to 95-99%; the yield of the biomass oil is up to 70-80%; and moreover, the residue content is less than 2.5%.

The invention discloses a plastering material for a building wall body. The plastering material comprises the following components in percentage by mass: 30 to 40 percent of cement, 40 to 50 percent of aggregates, 0.1 to 0.3 percent of water-retaining agent, 5 to 15 percent of gypsum, 0.3 to 0.5 percent of anti-cracking fibers, 3 to 7 percent of sierozem and 3 to 7 percent of coal ash, wherein the water-retaining agent is hydroxypropyl methyl cellulose or methylcellulose; and the anti-cracking fibers are polypropylene fibers or polyacrylonitrile fibers. When the plastering material for the building wall body is used for plastering, the plastering quality is stable, a plastering layer is bonded with a base layer firmly, and cracking and hollowing are avoided. The plastering material for the building wall body is convenient to construct, the labor productivity is improved, and the comprehensive cost is reduced; and when the plastering material is used, dry powder premix bags of a plant area are transported to construction sites, and the powder is stirred slightly by adding water, so that noise pollution and dust pollution which are caused by a large-scale stirring machine are avoided, and the plastering material achieves a positive effect on on-site civilized construction and environment friendliness.

The invention relates to the field of biological energy sources, in particular to a multistage liquefaction process of biomass. Slurry for the biological energy sources is prepared by the steps of sequentially carrying out drying, primary crushing, compressing and secondary crushing on straw, and then mixing the product with a first catalyst to obtain a mixture; adding the obtained mixture into anoil product, and grinding to prepare slurry with a straw concentration of 30-60wt%. According to the multistage liquefaction process of the biomass, a treatment process of first compressing and thensecondary crushing is carried out on the straw for the first time, and the loose straw is sequentially subjected to stages such as rearrangement, mechanical denaturation and shaping rheology by compressing the biomass, so that the volume of the straw is greatly reduced, the porosity of the straw is further reduced, the density and specific gravity of the straw are increased, the straw is more easily dispersed in the oil product, the content of the straw in the oil product is increased, and the concentration of a reaction material is increased; the multistage liquefaction process increases thebiomass conveying capacity of a pump within unit time, guarantees the smooth operation and transportation of the pump, and increases the conversion rate of the biomass.

The invention relates to the field of biological energy sources, in particular to a one-pot liquefaction process of biomass. The process comprises the following steps: firstly, preparing slurry containing a catalyst, a vulcanizing agent and biomass, and then introducing hydrogen into the slurry for carrying out a reaction. The slurry is prepared by the steps of sequentially carrying out drying, primary crushing, compressing and secondary crushing on plant oil residue, and then mixing the product with the catalyst and the vulcanizing agent to obtain a mixture; adding the obtained mixture into an oil product, and grinding to prepare slurry, wherein the prepared slurry is biomass slurry with a plant oil residue concentration of 50-65wt%. According to the one-pot liquefaction process of the biomass, a treatment process of first compressing and then secondary crushing is carried out on the plant oil residue for the first time, so that the volume of the plant oil residue is greatly reduced,the plant oil residue is more easily dispersed in the oil product, the content of the plant oil residue in the oil product is increased, and the concentration of a reaction material is increased; theone-pot liquefaction process increases the biomass conveying capacity of a pump within unit time, and guarantees the smooth operation and transportation of the pump.

The invention discloses a multi-layer water curtain filtration system, comprising: a water tank, a water replenishment tank, a fan, a water absorber motor, a cylindrical air duct and a water absorber, wherein the water tank is arranged at the bottom of the filter system; the water replenishment The tank is set above the water tank and connected with the water tank; the fan is set on the top of the filter system to discharge the filtered clean air; the water absorber motor is set below the fan, and its lower end penetrates into the circle In the cylindrical air duct, it is electrically connected to the water absorber located inside the cylindrical air duct; the cylindrical air duct is located in the middle of the filtration system, and the inner wall is provided with vertical ribs to form a multi-layer water curtain The cylindrical air duct is also provided with an air inlet for the outside air to enter; the water absorber is located at the bottom of the cylindrical air duct, and its lower end communicates with the water tank to absorb water from the water tank. Discharge into the cylindrical air duct. The invention can produce multi-layer water curtains, the degree of atomization is large, and the filtering effect is better.

The invention relates to the field of planting and in particular discloses a walnut seedling raising and planting method. According to the method, joints of walnut seedlings are pretreated, so that the shell thickness of the joints of walnut seedlings is reduced, the water absorption property of walnut kernels in the walnut is increased, the respiratory action of the walnut is improved, the time consumed by the whole pretreatment process is short, and the seedling raising efficiency of the walnut can be improved. Moreover, the walnut seedlings can rapidly break through the joints of the walnut shells while emerging, so that rapid emergence is realized; and therefore, rapid growth of the walnut seedlings is guaranteed. According to the scheme, the seedling raising efficiency of the walnut can be improved.

The invention discloses a super-high seam coal face hydraulic fracturing coal mining method. The super-high seam coal face hydraulic fracturing coal mining method includes the following steps of drilling a row of hydraulic fracturing holes in a coal body above a coal face in the length direction of the coal face, wherein the hydraulic fracturing holes include shallow holes and deep holes in a staggered mode; installing a water injecting and hole sealing device at the bottom of each hydraulic fracturing hole, and performing high-pressure water injecting on each hydraulic fracturing hole so thatthe coal body above the coal face can be crushed and caved. The hydraulic fracturing holes in the super-high seam coal face hydraulic fracturing coal mining method are distributed in the high-low staggered mode, hydraulic fracturing can be carried out on different depth layers, top coal fracturing is sufficient, hydraulic fracturing blind areas are avoided, and the top coal caving lumpiness is reduced; construction is simple and convenient when holes are vertically formed in the coal face, the water injecting and hole sealing devices in the drilled holes are not prone to blockage, and recovery is easy under the effect of gravity.

The invention relates to the technical field of clean energy sources, and particularly provides a multi-stage liquefying technology of coal and biomass. The multi-stage liquefying technology comprisesthe following steps of firstly, compressing the coal and biomass raw materials, crushing, and crushing again; preparing into a slurry, so as to successfully obtain biomass water coal slurry which hashigh solid content and can be stably conveyed by a pump. The multi-stage liquefying technology of coal and biomass has the advantages that the coal and the biomass are hydrolyzed at high pressure andhigh temperature, and the hydrolyzed product is sequentially subject to primary cracking, hydrogenation reaction, deep cracking and hydrogenation reaction under the actions of critical hydrogen, a first catalyst and a second catalyst, so as to convert the coal and biomass into bio-oil and refine the bio-oil; the conversion rate of biomass and coal can reach 97 to 99%, the yield rate of bio-oil can reach 70 to 80%, and the amount of residues is lower than 3%.

The invention relates to the field of biological energy, in particular to a process for producing fuel oil and chemical materials by utilizing biomass. The slurry is prepared by the following steps: performing drying, primary crushing, compression and secondary crushing on straws, mixing the powder, a first catalyst and a vulcanizing agent to obtain a mixture, adding the mixture into an oil product, and grinding to prepare slurry, namely the biomass slurry with the straw concentration of 30 to 60 percent by weight. The straws are initiatively subjected to the treatment process for compressingand crushing for the second time, the biomass is subjected to compression treatment, and the loose straws are subjected to the stages of ranking again, mechanical degeneration and shaping rheology, sothat the density and the specific gravity of the straws are increased, the straws are dispersed into the oil product, the content of the straws in the oil product can be increased, the concentrationof the reaction materials is increased, the quantity of conveying the biomass by the pump within unit time is increased, stable operation and conveying of the pump are guaranteed, and the conversion rate of the biomass and the yield of the oil phase are increased.