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36results about How to "Realize precipitation" patented technology

Two-step organic waste treatment system and method based on supercritical/subcritical water technology

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.
Owner:HUNAN UNIV

Process for extracting lignin from lignocellulose biomass

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.
Owner:JINAN SHENGQUAN GROUP SHARE HLDG

Stirring cooking device for traditional Chinese medicinal materials

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.
Owner:陈忠民

Low-concentration fluorine-containing wastewater deep fluorine removal treatment technology and fluorine removal treatment system

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.
Owner:山东省资源环境建设集团有限公司

Deep overcooling solidification process for preparing superconductive MgB2 material

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.
Owner:TIANJIN UNIV

River and lake sediment heavy metal precipitation, solidification and foundation reinforcement test device and method

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.
Owner:HOHAI UNIV

Mo-containing high-chromium wearproof alloy material and preparation method thereof

ActiveCN111778446AHigh hardnessImproved wear resistanceProcess efficiency improvementPearliteChromium
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.
Owner:北京云创新材科技有限公司

Stainless-steel and carbon-steel composite plate and preparation method thereof

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.
Owner:宁波市博祥新材料科技有限公司

Two-step organic waste treatment system and method based on super/subcritical water technology

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.
Owner:HUNAN UNIV

Side liquid inlet-type traditional Chinese medicinal solution degassing device

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.
Owner:ZHEJIANG HOUDAR INTELIGENT TECH CO LTD

Fountain pen wiper ink recovery device for early-stage analysis of software development

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.
Owner:刘彬

Aerospace thermal barrier material with low thermal conductivity and high fracture toughness and preparation thereof

ActiveCN112979310AIncrease lattice distortionSmall grain sizeThermal conductivityAtomic ratio
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.
Owner:LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Method for preparing graphene film on metal surface

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.
Owner:ARMOR ACADEMY OF CHINESE PEOPLES LIBERATION ARMY

Preparation method of preparation with baicalein as main drug component for animals

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.
Owner:北京亿睿达科技有限公司

Air separating device adopting top wall feeding and used for production of traditional Chinese medicines

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.
Owner:ZHEJIANG HOUDAR INTELIGENT TECH CO LTD

An ecological treatment device for river sewage

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.
Owner:MARINE FISHERIES RES INST OF ZHEJIANG
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