57results about How to "Fast cracking speed" patented technology

The invention provides a real-time fluorescence quantification PCR method with magnetic bead nucleic acid extraction and amplification conducted in one tube. A lysis solution mixed with magnetic beads and a sample to be detected are added to a PCR amplification tube, even mixing and standing are conducted, mixed liquor is extracted after magnetic extraction, and obtained magnetic beads are washed once; a well prepared PCR liquid is added into the PCR amplification tube for real-time fluorescence quantification PCR of target nucleic acid; the lysis solution is prepared from 0.2-0.4N sodium hydroxide, 0.3-0.6M potassium chloride, 0.01-0.05%N-sodium lauroyl sarcosine, 5mM EDTA, 0.3-0.6M Tris-HCL, and 1-2% Triton X-100. According to the method, heating is not needed, indoor-temperature pyrolysis is conducted for about 5-10 min only, static washing is needed only once, and then laboratory pollution and magnetic bead nucleic acid loss are reduced, pollution possibility brought by step-by-step operation is avoided and detection time is shortened. By taking HBV DNA quantification as an example, sensitivity can be as low as 5 IU/ML, and repeatability is high.

The invention discloses a 40-thousand-ton hard carbon black reaction furnace and a production process of carbon black. The carbon black reaction furnace comprises a combustion chamber, a venturi tube, a reaction chamber, and a quench zone. The uniquely designed combustion chamber of the reaction furnace ensures that the distribution of the temperature field of the carbon black production is more reasonable, the appropriate angle, length and inner diameter of the venturi tube ensure that raw oil is fully vaporized and sheared on the venturi tube part; and the reasonably designed reaction section and the matched quench zone ensure that the carbon black cracking reaction can be performed quickly, and the side reaction can be inhibited. Coal gas or natural gas is used as a fuel, the range of the raw oil is wider, the production capacity of the carbon black is high, unit consumption is low, a small amount of polluted product is discharged and the quality of the carbon black is high.

The invention discloses a horizontal microwave cracking furnace for solid organic matter. A furnace chamber formed by sequential butt joint of a feeding device (2), a feeding microwave inhibitor (4), a microwave oven (5), a discharging microwave inhibitor (11) and a discharging device (12) is installed on a machine frame (1), a conveyer (3) is installed in the furnace chamber and passes through the microwave oven (5), one end of the conveyer (3) is in butt joint with the feeding device (2), the other end of the conveyer (3) is in butt joint with the discharging device (12), and the center axis of a whole furnace body is placed horizontally. A microwave pyrolysis technique is adopted, and heating speed is high; due to the fact that microwave heating is integral heating, microwaves can directly act on medium molecules for heat energy conversion, the inside and outside of a material can be heated at the same time, and microwaves can penetrate through the material evenly no matter the shape of the material; meanwhile, based on microwave non-thermal catalytic effect, cracking speed is high, cracking is thorough, the quality of obtained products is high, energy can be saved greatly, and control is easy; besides, microwave energy is transmitted in an airtight chamber made of metal and a waveguide tube, so that leakage and emission of harmful gases are avoided, and safety performance is quite high.

The invention belongs to the technical field of environmental protection, and particularly relates to an oil sludge cracking device. The oil sludge cracking device comprises an outer cylinder body andan inner cylinder body; a spiral conveyer belt is arranged on the inner wall of the inner cylinder body; and heat conduction pipes are arranged on the spiral conveyer belt. Through the adoption of the device provided by the invention, the heat exchange area in an oil sludge cracking process is enlarged, and the heat exchange efficiency is improved, so that the utilization rate of heat is greatlyimproved. The cracking speed of the oil sludge is increased at a relatively low temperature, oil in the oil sludge is fully recycled, and the amount of residual oil in treated soil reaches the national standard, so that treatment and application of reduction, harmlessness and reclamation of oil sludge are realized, no secondary pollution is generated, and the device is economical, is friendly to the environment and is safe.

The invention provides an oil-containing pollutant treatment method performing indirect heating using heat-conducting oil and a device thereof, and relates to the technical field of oil-containing pollutant treatment technologies. The method comprises five steps of breaking, hot washing, thermal desorption, oil-gas treating and ash treating. Breaking and hot washing are firstly conducted on oil-containing pollutants, then thermal desorption is conducted on solid pollutants on which initial oil removing is conducted, heat exchange is conducted by a thermal desorption device using the heat-conducting oil used for heating a heating furnace as a medium to heat the oil-containing pollutants in the absence of oxygen, the pollutants are volatilized or separated from pollution mediums, and the ultra-clean treatment of the oil-containing pollutants is achieved; wasted oil and residual of the device can be adopted as raw materials of the heating furnace to reduce operation cost; oil and gas treated by the thermal desorption device enter a subsequent gas treating system to further perform condensing, filtering and separating, atomizing condensing crystallizing processing is conducted on treated ashes, the ashes can be adopted as excellent raw material of construction materials such as floor bricks, hollow bricks and the like, and solid particle and dust pollution is avoided.

A compound which can be attached to a solid support and used as a reagent for methods of solid phase synthesis has the following structure: (I) where Ri is selected from hydrogen and C₁-C₆ alkyl; R₂ is selected from hydrogen, hydroxy, and C₁-C₆ alkoxy, or together R₁ and R₂ form a single bond; R₃, R₄, R₅ and R₆ are the same or different from each other and each represents hydrogen, C₁-C₆ alkyl, and halogen, or together R₃ and R₄ with R₅ and R₆ form an aromatic ring, further wherein the aromatic ring is substituted with one or more X; X is selected from halogen, nitro, amino, and aminocarbonyl; s is 0, 1, 2, or 3, t is 0, 1, 2, or 3, wherein s+t≧1; R₇ and R₈ are the same or different from each other and each represents hydroxy, halogen, hydrogen, C₁-C₆ alkoxy, oxyacyl, or together R₇ and R₈ form a carbonyl; Y is selected from a methylene or substituted methylene, nucleoside, nucleotide, protected nucleoside, protected nucleotide, C₁-C₆ aryl, arylalkyl, heteroalkyl, heterocycle, and heteroaryl; n is 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10; Z is selected from OR and NHR; R is selected from hydrogen, SiR^a, R^bR^c, CR^aR^b, R^c, heteroalkyl, and C₁-C₆ alkyl; R^a, R^b, and R^c are the same as or different from each other and each represents methyl, ethyl, i-propyl, t-butyl, phenyl or substituted phenyl.

The invention discloses an apparatus for continuously cracking beta-pinene to produce laurene. The apparatus comprises a charging pump, a vaporizer, a cracker, a heat exchanger, a cooler and a product collector which are sequentially connected; the charging port of the charging pump is connected with a raw material tank, the discharging port of the charging pump is connected with the upper end of the vaporizer through a guide tube, a nonvolatile matter collector is connected below the vaporizer, a gas mixing chamber is arranged above the vaporizer, the heat conduction material inlet and the heat conduction material outlet of the vaporizer are respectively connected with an eduction tube in front of and behind the eduction tube valve of the cracker, the gas mixing chamber is connected with the heat conduction material inlet of the heat exchanger, the heat conduction material outlet of the heat exchanger is connected with the charging port of the cracker, the charging port of the heat exchanger is connected with the discharging port of the cracker through a valve, and the heat exchanger is connected with the product collector. The apparatus has the advantages of low energy consumption, high reaction efficiency, uniform heating, low cost, high laurene output and realization of continuous cracking production of laurene.

The invention discloses a nano composite type coal-saving desulfurization and denitrification additive and belongs to the environmental-friendly coal-saving field. The coal-saving desulfurization and denitrification additive is water dispersible solution and consists of solute and a solvent, wherein the solute comprises the following components in parts by weight: 15-45 parts of nano titanium dioxide, 2-8 parts of rare earth lanthanum and high-alumina bauxite, 1-3 parts of triethanolamine acetate, 25-35 parts of nitrate and 5-10 parts of active carbon fiber; the solvent is deionized water, and the mass percentage concentration of the coal-saving desulfurization and denitrification additive is 10-35%. The nano composite type coal-saving desulfurization and denitrification additive disclosed by the invention has the beneficial effects that the burning condition of coal can be effectively improved, the coal consumption can be reduced, and the emission of main pollutants such as SO2 and NOx is reduced, and also has the advantages of stable performance, convenience in storage, good coal-saving effect, obvious emission reduction, simple use and fast investment return and the like.

The invention belongs to the technical field of comprehensive recovery and utilization of chemical wastes, and particularly relates to a comprehensive recovery treatment process of aniline tar in aniline production. According to the comprehensive recovery treatment process of aniline tar, aniline tar and an organic solvent at least containing organic acid are mixed and then introduced into a rectifying tower for hydrotreating, tar is subjected to cracking reaction to generate corresponding ketoamine and other micromolecular components in the upper section of the rectifying tower under the action of a catalyst and the organic solvent, the lower section of the rectifying tower realizes hydrogenation of tar cracking products, and generated alcohol amine and other components and the catalyst are discharged from the bottom of the rectifying tower together. According to the process disclosed by the invention, the tar is changed into micromolecular components through hydrocracking, so that high-economic-value products such as alkylol amine and the like are obtained, the toxic action of the tar on the activity of the catalyst is solved, the activity of the separated noble metal catalyst can be effectively recovered, and the separated noble metal catalyst can be returned to a device, so that the recycling of the catalyst is realized, and the comprehensive utilization benefit of the device is improved.

The invention belongs to the technical field of organic solid waste treatment, and particularly relates to an energy-efficient indirect thermal desorption carbonization device and a treatment method thereof. The carbonization device comprises a preheating feed system and a material heating system, wherein the preheating feed system comprises a heat-exchange-jacket-bearing spiral feeder and a chimney pipeline; the material heating system comprises a heating furnace, a first resolution chamber and a second resolution chamber; the first resolution chamber and second resolution chamber respectively comprise a feed end aggregate hood, a discharge end aggregate hood and a silicon-carbide-lined refractory steel cylinder; and a first rotatable screw conveyer and a second rotatable screw conveyer are correspondingly arranged inside the refractory steel cylinders of the first resolution chamber and second resolution chamber. The carbonization device can solve the problems of high deformation tendency, high abrasion tendency and low corrosion resistance in the chamber pipe wall and the problem of incomplete combustion of noncondensable gas. The carbonization device can remove inorganic carbon in the overproof solid-phase residues to implement further decrement, lower the heat consumption of indirect thermal desorption equipment and reduce the residue landfill disposition cost.

The invention belongs to the technical field of garbage treatment and specifically relates to a method for treating garbage, a cracking furnace and a cracking device thereof. The method for treating garbage comprises the following steps: pretreating garbage and then mixing with calcium carbonate powder; cracking in the cracking furnace, thereby forming biomass charcoal and high-temperature smoke at 200-350 DEG C; discharging the high-temperature smoke and condensing into liquid oil. The method is high in cracking speed, environment-friendly and energy-saving.

The invention provides quick-germinating herba cistanche seed grains and a preparation technology thereof, and discloses the herba cistanche seed grains, the preparation technology and a herba cistanche planting method. The herba cistanche seed grains are prepared from herba cistanche seeds, inert additives, adhesive matter and an addition agent in a certain weight ratio, the seeding rate can be reduced, and the parasitism rate is increased; according to the preparation technology, the herba cistanche seeds are pretreated, so that the seed neatness and uniformity are improved, then the herba cistanche seeds are mixed with the inert additives, the adhesive matter and the addition agent, the seed grains are prepared, the preparation method is simple, conditions are easy to control, and the cost is low.

The invention discloses a liquorice seed stress-resistant coating nutrition pill, which is prepared from the following ingredients in parts by mass according to the recipe proportion: 10 parts of liquorice seeds, 30 to 50 parts of inert pill compounds and 1.5 to 2.5 parts of bonding agents. Meanwhile, the invention also discloses a preparation method of the liquorice seed stress-resistant coatingnutrition pill. The liquorice seed stress-resistant coating nutrition pill and the preparation method thereof have the beneficial effects that the liquorice seeds are subjected to stress-resistant coating pelleting so as to increase the liquorice seed volume; the pressure-resistant intensity of the seeds is enhanced; the cracking speed of the seeds in wet soil is accelerated; the stress-resistantcoating pelleting seeds have the functions of water storage, water retention and water supply; the drought resistance capability of the liquorice seed can be improved; water preserving agents in the stress-resistant pelleting liquorice seeds absorb and dilute the salt content solution to reduce the concentration when meeting water; the adverse influence of the soil salt on seed germination can bereduced; the young seedling cold resistance, sand dust resistance and salt and alkali resistant capability can be improved through the stress-resistant coating pelleting liquorice seeds.

The invention provides a glycolide preparation method, which comprises: carrying out a condensation polymerization reaction on a glycolic acid monomer, a polyolefin polyol and a binary acid monomer under the action of a catalyst to obtain a branched polyolefin-glycolic acid copolymer, or carrying out condensation polymerization on the glycollic acid monomer, the polyolefin polybasic acid and the dihydric alcohol monomer under the action of the catalyst to obtain the branched polyolefin-glycollic acid copolymer, the branched polyolefin-glycollic acid copolymer is subjected to a cracking reaction, and glycolide is obtained. According to the method provided by the invention, the problems of low glycolic acid cracking speed and product pollution caused by introduction of a high-boiling-point solvent in the cracking process are well solved, the product purity is relatively high, the separation process of glycolide and the solvent in the product is avoided, the production efficiency is improved, the production cost is reduced, and the method can be used for industrial production of glycolide.