36results about How to "Realize precipitation" patented technology

The invention relates to a comprehensive utilization method of lignocellulose biomass, and particularly relates to a comprehensive utilization method of cellulose, hemicellulose and lignin in lignocellulose biomass. The method of the invention respectively extracts cellulose, lignin, and hemicellulose by performing acidolysis of lignocellulose biomass with a mixed organic acid of formic acid and acetic acid; the comprehensive extraction rates of all the three substances are high; the cellulose extraction rate is 75%-100%; the lignin extraction rate is 55%-90%; the pentose extraction rate is 85%-95%; the method of the invention not only facilitates the comprehensive and stable operation of the three routes, but also ensures the extraction rates of the three products to the maximum extent.

The invention discloses a two-step organic waste treatment system and method based on supercritical / subcritical water technology. The two-step organic waste treatment system comprises a subcritical hydrolysis reactor, a supercritical water gasification reactor, a material conveying apparatus communicated with the bottom of the subcritical water gasification reactor, an oxidizing agent apparatus, a residue discharging apparatus, a material heat exchanger, a backheating apparatus and a product collection apparatus. Organic waste is hydrolyzed into micromolecular products through a subcritical hydrolysis reaction, so requirements on subsequent gasification reaction conditions are lowered, and harmless treatment of organic waste is realized; organic waste is completely converted into clean energy like H2 by supercritical water gasification, so the goal for sustainable efficient recycling of organic waste is achieved; an oxidizing agent is added in the reaction process of supercritical water, so an in-situ heat source is provided for gasification, a gasification rate is increased and energy consumption is reduced; and through directional adjustment and control of technological parameters of subcritical hydrolysis and supercritical water gasification, cooperative effect of the two-step method can be realized, and the gasification conversion rate of organic waste is greatly improved.

The invention relates to a lignin extraction process, and particularly relates to a process for extracting lignin from lignocellulose biomass by using organic acids. The method of the invention extracts lignin by performing acidolysis of lignocellulose biomass with a mixed organic acid of formic acid with a concentration of 5-90% and acetic acid with a concentration of 5-90%; the lignin extraction rate is up to 85%; the whole process route is simple, and low in energy consumption; the process can be used for combined production of cellulose and pentose, and even products such as furfural and the like.

The invention discloses a stirring type Chinese herbal medicine cooking equipment, which comprises a support seat, a support frame is connected to both sides of the upper end of the support seat, a first rack is connected to the upper end of the support frame, a first gear is meshed in the middle part of the front end of the first rack, and a first gear is engaged with the first rack. The middle part of the lower end of the first gear is connected with the stirring shaft, the right side of the upper end of the support base is connected with the driving box, the second gear is arranged inside the driving box, the lower end of the second gear is meshed with the second rack, and the left end of the second rack is connected with the right swing rod. The cooking barrel is connected to the left side of the right swing lever, the left swing lever is connected to the lower side of the left end of the cooking barrel, and the middle part of the left end of the left swing lever is covered with a return spring, and the left end of the return spring is connected to a rotating block. There is a heating ring inside the cooking barrel. The upper end of the side is connected with a hopper, and the middle part of the bottom end of the cooking barrel is connected with a discharge hopper. The present invention realizes the rotation of the stirring shaft, so that the active ingredients inside the traditional Chinese medicine can be effectively separated out, and at the same time realizes the left and right reciprocating shaking of the cooking barrel.

The invention provides a transparent rare earth ion-doped hexagonal sodium yttrium fluoride oxyfluoride glass-ceramics and a preparation method thereof. The glass is prepared from the following compositions: 50-70mol% of SiO2, 3-12mol% of Al2O3, 15-20mol% of Na2O, 5-12mol% of NaF and 5-12mol% of YF3, and a sum of the compositions is 100 percent; and the glass also is prepared from ErF3 which accounts for 0.1-1mol% of the sum of the compositions, wherein the molar content ratio of SiO2 to Al2O3 is larger than 6.5. Compared with silicate glass, the hexagonal sodium yttrium fluoride oxyfluoride glass-ceramics has lower phonon energy (as low as 230cm<-1>), lowers the multi-phonon nonradiative relaxation rate of rare earth ions, and thus enabling the up-conversion luminescence efficiency of the rare earth ions in the glass-ceramics to be obviously improved.

The invention relates to a low-concentration fluorine-containing wastewater deep fluorine removal treatment technology and a fluorine removal treatment system. Mainly, further deep fluorine removal isconducted on wastewater with the free-state fluoride concentration being lower than 10 mg / L. The fluorine removal treatment technology mainly includes the steps of conducting mixing reaction on sludge and the wastewater to reduce the content of fluorides in the wastewater, and reducing the free-state fluoride concentration in a mixed wastewater system to 4.5 mg / L or below and meanwhile reducing the free-state fluoride concentration to 1.0 mg / L through dilution water before a fluorine removal agent is added. The reaction efficiency of the fluorine removal agent can be effectively improved, andthe consumption of the fluorine removal agent is reduced.

The invention discloses a system and a method for removing metal chlorides by chloro-silicane raffinate quenching. The system comprises a static mixer, a gas-liquid separating tank and a filter, wherein the static mixer is provided with a chloro-silicane raffinate inlet, a liquid nitrogen inlet and a metal-containing chloride suspended solid as well as a nitrogen gas raffinate outlet; a gas-phasespace and a liquid-phase space are formed in the gas-liquid separating tank from top to bottom; a liquid inlet and a solution outlet for the metal-containing chloride suspended solid are arranged in the liquid-phase space; the liquid inlet is connected with the raffinate outlet for the metal-containing chloride suspended solid and the nitrogen gas; a liquid level meter is arranged in the liquid-phase space; a nitrogen gas outlet is arranged in the gas-phase space; the filter is provided with a solution inlet for the metal-containing chloride suspended solid, a metal chloride outlet, a chloro-silicane clear liquor outlet and a filter element; and the solution inlet for the metal-containing chloride suspended solid is connected with the solution outlet for the metal-containing chloride suspended solid.

The present invention relates to deeply overcooling solidification process for preparing superconductive MgB2 material. The process includes the following steps: smelting the mixture of Mg and Cu of purity 99.9 % in the atom ratio of 52-65 to 35-48 and the mixture of Cu and B in purity of 97 % in the atom ratio of 82-95 to 5-18 separately in high frequency inducing furnace at 1000-1500 deg.c for 5-10 min to obtain eutectic Mg-Cu alloy and Cu-B alloy; mixing Mg-Cu alloy and Cu-B alloy in the weight ratio of 0.2-1.5 to 1 and smelting similarly to obtain ternary Mg-Cu-B alloy; cutting the ternary Mg-Cu-B alloy into small blocks and deeply overcooling solidification at 10-320 K in a quick liquid quenching apparatus to obtain deeply overcooling solidified ternary Mg-Cu-B alloy. The process can lower the smelting point of metals and avoid the evaporization of Mg, and MgB2 monocrystal separation and growth of ternary Mg-Cu-B alloy at relatively low temperature.

The invention belongs to the technical field of preparation of magnetic functional materials, and particularly relates to nanocrystalline soft magnetic alloy and a preparation method and application thereof. The nanocrystalline soft magnetic alloy comprises the following components: Fe, Cu, Si, B, Nb, V and rare earth metal. By adding the rare earth metal, the ferromagnetic coupling exchange effect between ordered phases of the nanocrystalline soft magnetic alloy can be improved, and the high magnetic induction intensity and high-frequency high magnetic conductivity of the nanocrystalline softmagnetic alloy are improved. Other raw materials in the nanocrystalline soft magnetic alloy can be purified by adding the rare earth metal, and impurities in the nanocrystalline soft magnetic alloy are reduced.

The invention relates to a chargeable and dischargeable aqueous solution energy storage device. The energy storage device is mainly composed of a magnesium salt aqueous solution containing an organicadditive and an electrode material, wherein the negative electrode is metal magnesium or magnesium alloy; and the positive electrode is a carbon material capable of performing ion reversible adsorption / desorption, oxide capable of producing pseudocapacitance or a conductive polymer capable of generating pseudocapacitance, oxide capable of performing a redox reaction or an intercalation compound capable of performing ion reversible intercalation / deintercalation. The chargeable and dischargeable aqueous solution energy storage device has a high electrochemical stability window, and the energy density can reach more than 260Wh / kg, which is much higher than that of an ordinary aqueous solution energy storage device. The chargeable and dischargeable aqueous solution energy storage device can beused for storage and release of power.

The invention discloses a river and lake sediment heavy metal precipitation, solidification and foundation reinforcement test device, a detachable drainage plate is arranged in a transparent model tank, and the drainage plate divides the transparent model tank into a drainage chamber and a soil body treatment chamber; geotextile is arranged on the inner side surfaces of the drainage plates which are oppositely arranged; a PPR pipeline with an opening is detachably connected into the soil body treatment chamber; and an anode iron net and a cathode iron net are arranged in the soil body treatment chamber and close to the geotextile. The device is simple in structure, and can be used for realizing non-embedded continuous observation of the internal displacement and heavy metal migration process of the soil body and evaluating the treatment effect of the heavy metal pollutants in each stage of river and lake sediment heavy metal pollutant precipitation, in-situ solidification and foundation reinforcement combined treatment. The invention further provides a river and lake sediment heavy metal precipitation and solidification and foundation reinforcement test method. The foundation reinforcement effect is achieved while the removal efficiency of heavy metal in a soil body is greatly improved. The method is simple, effective and wide in applicability.

The invention relates to a Mo-containing high-chromium wearproof alloy material and a preparation method thereof. The Mo-containing high-chromium wearproof alloy material comprises the following compositions in percentage by weight: 0-5% of Mo, 10-29% of Cr, 2.5-3.5% of C, 0.30-0.80% of Si, 0.40-0.90% of Mn, equal to or less than 0.1% of P, equal to or less than 0.1% of S and the balance of Fe. Through the synergistic effect of all compositions and a specific production technology, carbide in the metallographic structure mainly comprises M7C3 type; the matrix structure is combination of a proper amount of tempered martensite and residual austenite, so that formation of casting-state pearlite is avoided, precipitation of eutectic crystal and secondary carbide is realized to finish matrix hardening, and the material hardness is improved while keeping the toughness to further improve the wear resistance of alloy material; and when the Mo-containing high-chromium wearproof alloy material is applied to mechanical wearproof components including the hammerhead of a crusher and the like, the service life is greatly prolonged.

The invention discloses a high-voltage power distribution cabinet having waterproof heat-dissipation dustproof performance. The high-voltage power distribution cabinet comprises a cabinet body, wherein the cabinet body consists of a left side plate, a right side plate, a top plate, a base plate, a rear plate and a cabinet door, the cabinet door is formed in the front portion of the cabinet body. The high-voltage power distribution cabinet further comprises a semi-circular rain-sheltering canopy, a bucket-shaped waterproof device, four transverse partition plates, a temperature sensor, a controller, an air blower and a dust filtering device, wherein the temperature sensor is arranged inside the cabinet body, a temperature signal acquired by the temperature sensor is input to the controller, and the controller controls start and stop of the air blower. By means of the high-voltage power distribution cabinet, the water proofing, heat-dissipation and dust proofing problems are effectively solved.

The invention discloses a stainless-steel and carbon-steel composite plate and a preparation method thereof. The stainless-steel and carbon-steel composite board is manufactured by stacking and compositing of a carbon-steel plate, a stainless-steel plate, a stainless-steel plate and a carbon-steel plate in sequence, wherein the carbon-steel plate comprises the following metal components in percentby weight: 0.15-0.20% of C, 0.19-0.35% of Si, 0.5-1.0% of Mn, 0.02-0.025% of S, 0.023-0.025% of P, 0.04-0.06% of Cr, 0.02-0.05% of Nb, 0.04-0.06% of Al, 0.40-0.60% of Ni and the balance of Fe; the stainless-steel plate comprises the following metal components in percent by weight: 0.07-0.075% of C, 0.65-0.75% of Si, 1.4-1.8% of Mn, 0.003-0.01% of S, 0.035-0.04% of P, 18-20% of Cr, 8.5-13% of Ni,0.02-0.05% of Nb, 0.10-0.15% of Al, 0.30-0.45% of Cu, 0.18-0.20% of Ti and the balance of Fe. The stainless-steel and carbon-steel composite plate and the preparation method disclosed by the inventionhave the beneficial effects that the corrosion resistance is good and the phenomenon of intercrystalline corrosion can be effectively reduced.

The invention provides a novel pulse bag type dust collector which comprises a base layer bottom plate, a decomposition tank, a filtering tank and a sedimentation tank are installed on the upper surface of the base layer bottom plate, the decomposition tank, the filtering tank and the sedimentation tank are sequentially arranged in parallel from left to right, and every two of the decomposition tank, the filtering tank and the sedimentation tank are connected through an installed gas conveying pipeline. And a gas conveying pipeline is installed on the outer wall of the side, away from the filtering tank, of the decomposition tank, the gas conveying pipeline is connected with a pulse dust suction pump, the lower surfaces of the decomposition tank, the filtering tank, the sedimentation tankand the pulse dust suction pump are connected with the base layer bottom plate, and a fixed base is installed on the lower surface of the base layer bottom plate. Through multi-layer filtering, further treatment and processing of the pulse bag type dust collector on dust are achieved, and environmental pollution is better prevented.

The invention discloses a hybrid steel, which comprises the following components in weight percentage: C 0.10%-0.40%, Si≤0.30%, Mn 0.25%-0.80%, Cr 4.0%-6.0%, Ni 5.00 %~7.00%, V 0.4%~0.6%, Nb≤0.06%, Mo 0.60%~0.80%, Al 1.60%~2.20%, P≤0.02%, S≤0.02%, and the rest is Fe. The composition and raw material design of the hybrid steel in the present invention is based on the alloy composition system and multi-performance compounding, which endows the hybrid steel with controllable multi-performance, and has the characteristics of low-alloy engineering structural steel, tool steel, austenitic-ferritic stainless steel, and heat resistance. The characteristics of steel, high corrosion resistance and avoiding red hot brittleness are conducive to the realization of the purpose of "one steel with multiple uses" and the efficient utilization of resources.

The invention relates to a side liquid inlet-type traditional Chinese medicinal solution degassing device. The side liquid inlet-type traditional Chinese medicinal solution degassing device comprisesa tank, wherein a vertical filter cartridge is rotationally connected inside the tank; an opening is formed in the lower end of the filter cartridge, and a rotating shaft is arranged at the upper endthereof; the lower end of the filter cartridge is rotationally connected to the bottom wall of the tank; the rotating shaft is connected to the top wall of the tank and is connected together with a motor for driving the rotating shaft to rotate; the filter cartridge isolates the tank into a liquid inlet space and a liquid outlet space; the tank is provided with a liquid outlet communicated with the liquid outlet space through the opening; a liquid inlet is formed in the side wall of the tank; a gas outlet communicated with the liquid inlet space is formed in the upper end of the tank. The invention provides the side liquid inlet-type traditional Chinese medicinal solution degassing device, and solves the problem that air dissolved in the process of filling a traditional Chinese medicine cannot be thoroughly discharged out.

The invention relates to a preparing method of arginine aspirin sterile powder. The method includes following steps of: reacting absolute ethyl alcohol, aspirin, arginine and water, performing filter pressing, adding a crystal seed, adding absolute ethyl alcohol, cooling, washing and drying. The method is an improvement based on a scheme provided by the prior art, and is compact in crystallization temperature-maintaining time and total preparation time, thus further reducing production of free salicylic acid in a process.

The invention relates to the technical field of software development, and discloses a fountain pen wiper ink recovery device for early-stage analysis of software development. The device comprises a shell, the interior of the shell is movably connected with a cleaning mechanism, the cleaning mechanism comprises a heat insulation chamber for placing and containing a fountain pen wiper, a transmission assembly for motion adjustment and a mixing assembly for cleaning separated ink, and the heat insulation chamber is fixedly connected to the inner side of the shell. a reciprocating rod rotates to enable a sliding block to slide on the inner sides of movable grooves, the sliding block slides to drive a connecting rod to swing, and the connecting rod swings to drive the mixing assembly to swing, so that the fountain pen wiper is stirred in the heat insulation chamber, and cleaning of the fountain pen wiper is more thorough; and a rotating wheel rotates to drive a swing rod to rotate, the swing rod rotate to drives spray rods to rotate, the spray rods rotate to drive the fountain pen wiper to rotate, and meanwhile the spray rods spray liquid water in a tank body through the spray rods, so that ink is separated out from the interior of the fountain pen wiper, the use frequency of the fountain pen eraser can be also increased in this way, and the software development cost can be reduced.

The invention relates to an aerospace thermal barrier material with low thermal conductivity and high fracture toughness, which comprises the following components in atomic ratio: (ZrO2)a(CeO2)b(HfO2)c(Y2O3)d(A2O3)e corresponding to (ZraCeHf<c>Y<2d>A<2e>)Of, wherein A is Sm or Nd, a is equal to 0.75-1.25, b is equal to 0.75-1.25, c is equal to 0.75-1.25, d+e is equal to 0.75-1.25, d and e are in near equal atomic ratio, and f is equal to 2(a+b+c)+3(d+e). The invention further discloses a preparation method of the thermal barrier material. While a high lattice distortion solid solution is ensured, the grain size is reduced, the formation of a nano precipitated phase is promoted, and the improvement of the fracture toughness and the reduction of the heat conductivity are realized.

The present invention relates to a method for preparing a graphene film on a metal surface, and the method includes the steps: (1) preparing basic plating solution; (2) pretreating a substrate material; (3) conducting electrochemical deposition on M-C coatings (M is Co, Ni and Cu); and (4) annealing treatment. The method of the present invention is based on an electro-deposition and heat treatmentprocess, and has the advantages of simple process and low cost, and therefore a large-area high-quality graphene film may be prepared, and the prepared graphene film has excellent conductivity and corrosion resisting property.

The invention discloses a preparation method of a preparation with baicalein as a main drug component for animals; a bottom plate is included; the bottom plate is fixedly connected with a first vertical plate, the first vertical plate is fixedly connected with a transverse plate, the transverse plate is fixedly connected with two sets of symmetrical hollow round rods, the bottom plate is fixedly connected with a second vertical plate, and the second vertical plate is provided with a straight groove. The second vertical plate is fixedly connected with symmetrical concentric-square-shaped blocks, the second vertical plate is in bearing connection with symmetrical circular shafts, the second vertical plate is fixedly connected with a motor, an output shaft of the motor is fixedly connected with one circular shaft, the symmetrical circular shafts are fixedly connected with gears respectively, and the symmetrical gears are meshed with each other. The invention relates to the field of medicine processing, in particular to a preparation method of a preparation with baicalein as a main medicine component for animals. The technical problem to be solved by the invention is to provide the preparation method of the preparation taking the baicalein as the main medicine component for animals, so that the baicalein is convenient to extract.

The present invention belongs to the field of lead production, and specifically relates to a high-bismuth-containing lead electrolysis method. The electrolysis conditions are as follows: (1) Anode chemical quality: Bi≤25%, Pb≤80%, Sb≤6%; electrolyte composition: h 2 SiF 6 : 40~80g / L; Pb 2+ : 20~80g / L; Bi 2+ : <0.006g / L; (2) Electrolyte circulation: 25L / min~30L / min; (3) Electrolysis temperature: 20~30℃; (4) Current density: 60~80A / m 2 ; (5) Electrolysis cycle: 5~8d. The cathode is divided into two pieces, one is lead, and the other is an intermediate piece, the lead piece is connected to the negative pole of the power supply, and the middle piece is grounded; the middle piece is composed of bismuth and / or copper. By setting an intermediate sheet between the anode and the cathode, and the intermediate sheet is grounded, the bismuth in the anode can be precipitated on the intermediate sheet after electrolysis; while lead is deposited on the cathode (lead sheet); through the above method, the cathode can be effectively solved. The problem of bismuth precipitation on the lead sheet.

The invention relates to an air separating device adopting top wall feeding and used for production of traditional Chinese medicines. The device comprises a tank body, wherein a vertical filter cartridge is rotationally connected in the tank body, an opening is formed in the lower end of the filter cartridge, a rotating shaft is arranged at the upper end of the filter cartridge, the lower end of the filter cartridge is rotationally connected to the bottom wall of the tank body, the rotating shaft is connected to the top wall of the tank body and connected together with a motor driving the rotating shaft to rotate, the filter cartridge isolates the tank body into liquid inlet space and liquid outlet space, a liquid outlet communicated with the liquid outlet space through the opening is formed in the tank body, a liquid inlet is formed in the top wall of the tank body, the opening direction of the liquid inlet is aligned to the top wall of the filter cartridge, and an air outlet communicated with the liquid inlet space is formed in the upper end of the tank body. By means of the air separating device adopting top wall feeding and used for production of the traditional Chinese medicines, the problem that air dissolved in the filling process of the traditional Chinese medicines cannot be sufficiently separated out is solved.

The invention discloses an ecological treatment device for river sewage. The ecological treatment device is sequentially provided with a precipitation section, an air floatation section, a photocatalytic reaction section and a plant ecological restoration section in the water flow direction. The precipitation section comprises a precipitation container in a square barrel shape, a water inlet is formed in the top of one side face of the precipitation container, a first water outlet is formed in the top of the other side face of the precipitation container, a separation plate is clamped in the precipitation container, a precipitation area is arranged under the separation plate, fixing rods are fixedly connected to the bottoms of the two sides of the separation plate; a sedimentation frame is fixedly connected between the separated ends of the two fixing rods and located at the bottom of the inner wall of the sedimentation container, and an auxiliary sedimentation assembly is fixedly connected to the side face of the isolation plate and the inner side wall of the sedimentation container. Through combined application of a physical precipitation method, a chemical precipitation method and a plant ecological restoration method, the functions of water quality optimization of a polluted water body, ecological system balance restoration and the like are achieved, and the device plays an important role in restoration of a water ecological system filled with sewage.

The invention relates to a comprehensive utilization method of lignocellulose biomass, and particularly relates to a comprehensive utilization method of cellulose, hemicellulose and lignin in lignocellulose biomass. The method of the invention respectively extracts cellulose, lignin, and hemicellulose by performing acidolysis of lignocellulose biomass with a mixed organic acid of formic acid and acetic acid; the comprehensive extraction rates of all the three substances are high; the cellulose extraction rate is 75%-100%; the lignin extraction rate is 55%-90%; the pentose extraction rate is 85%-95%; the method of the invention not only facilitates the comprehensive and stable operation of the three routes, but also ensures the extraction rates of the three products to the maximum extent.