100results about How to "Facilitated contact response" patented technology

The invention relates to a normal temperature dearsenifying agent, which consists of active components and a carrier, wherein the carrier is clay; and the active components comprise manganese dioxide and ferric oxide. Particularly, the dearsenifying agent consists of the following components in percentage by weight: 20 to 55 weight percent of manganese dioxide, 10 to 45 weight percent of ferric oxide, and 10 to 35 weight percent of the carrier. Based on the dearsenifying agent, the invention further discloses a method for preparing the dearsenifying agent, and the dearsenifying agent prepared by the method has higher arsenic capacity.

The invention discloses a MoS2@Cu2S@ copper foam composite nanometer material and a preparation method and application of the MoS2@Cu2S@ copper foam composite nanometer material. The preparation method of the MoS2@Cu2S@ copper foam composite nanometer material comprises the following steps that (1) Cu(OH)2 nano-array rods are prepared on copper foam through a solution etching method; (2) the Cu(OH)2 nano-array rods obtained in the first step are used as a template and dipped into a crystalline hydrous molybdate and thiourea mixed solution, MoS2@Cu2S nano-array rods are generated through conversion by means of a hydrothermal synthesis method, and the composite nanometer material is obtained. The MoS2@Cu2S@ copper foam composite nanometer material is prepared by the adoption of the preparation method. A water electrolysis hydrogen evolution catalyst comprises the MoS2@Cu2S@ copper foam composite nanometer material. The MoS2 having good hydrogen evolution activity are grown on the surfaces of the Cu2S nano-array rods in an in-situ manner by means of a hydrothermal process, so that the electro-catalytic property of the composite is improved through the good electron conduction capacityof sulfide, and therefore by the adoption of in-situ growth of the MoS2@Cu2S on the surface of the foam copper, the electro-catalytic property of the composite can be collaboratively improved.

The invention discloses a preparation method of an Au-Pd/TiO2 NBs photocatalyst, which comprises the following steps: with a titanium sheet as a matrix, performing anodic oxidation treatment on the titanium sheet to prepare TiO2NBs; before anodic oxidation, performing ultrasonic cleaning of the titanium sheet in ethanol and acetone respectively, performing acid pickling, washing with deionized water and drying, wherein a two-electrode system is adopted for the anodic oxidation; calcining in air; modifying the TiO2NBs prepared in the step I with Au-Pd bimetallic nanoparticles; adopting a three-electrode system in which chloroauric acid and a palladium chloride aqueous solution are used as Au and Pd sources; and depositing Au and Pd in turn and drying. The photocatalyst prepared by the method disclosed by the invention is fixed on the titanium matrix, the water body pollution caused by non-thorough recovery is avoided, a contactable surface area is larger, the contact reaction between organic pollutant molecules and the photocatalyst is facilitated, the photocatalytic degradation property of the photocatalyst is remarkably promoted, reaction conditions are mild, and the process flow is simple and easy to control.

The invention discloses a calcium oxide based high-temperature carbon dioxide adsorbent material doped with an inert component and a preparation method. The inert component is cerium oxide, and an active component for adsorbing carbon dioxide is calcium oxide. A calcium oxide based adsorbent is prepared with a sol-gel method, and cerium nitrate and calcium nitrate are precursors; citric acid is introduced, the mixture is sufficiently complexed in a water bath process, and calcium and cerium are uniformly dispersed; a large amount of gas is generated in a roasting process, and loose and porous morphology is formed. The material has the characteristics of excellent stability, high adsorption capacity, high molar conversion of calcium oxide and high adsorption rate when adsorbing carbon dioxide at the high temperature; the preparation process is simple, the cost is low, and the requirement for the preparation is lower; the adsorbent has a wider industrial application prospect when used for adsorbing carbon dioxide at the high temperature.

The invention relates to a physical preparation method of high density vanadium oxide powder. Prepared high density (bulk density) vanadium oxide can be used to smelt vanadium-contained alloys and prepare metal vanadium as an additive or a main raw material. The physical preparation method is characterized in that: routine vanadium oxide powder is added to 0.1 wt% of a nonionic surfactant pulvis at a temperature of -20-120DEG C to improve the density and the stability of granulation and enhance the exhaust effect; mechanical pressurization, dry flaking, and granulation are directly carried out to prepare vanadium oxide particles with the granularity of 0.3-10mm; and in the process of flaking and granulation, the mechanical pressurization strength applied to the vanadium oxide powder is 10-125N/cm<2>, and the bulk density of granulated vanadium oxide is improved to 1.4-2.1g/cm<3> from routine 0.6-1.2g/cm<3>. High density vanadium oxide which has good airflow resistant effects and good furnace charge contact reacting performances allows the gasification and fly loss of vanadium oxide to be reduced, the smelting efficiency to be improved, and the density and the reaction efficiency of vanadium nitride products to be obviously improved in the production of vanadium nitride; and the density of the vanadium nitride products is far greater than the density of vanadium oxide products produced by chemical methods.

The invention relates to a surface cleaning method before brazing repairing of a single crystal turbine guide vane crack. The surface cleaning method before brazing repairing of the single crystal turbine guide vane crack is characterized in that a method combining physics and chemistry is adopted to remove a carbon deposition layer and an aluminizing layer on the surface of a vane, to remove an oxidation film on the surface of the crack and to provide a clean surface for final brazing repairing. The surface cleaning method comprises the steps of (1) sand blasting treatment, (2) chemical cleaning, (3) aluminized coating stripping, (4) gas phase fluorinion cleaning, and (5) vacuum purification treatment. The surface cleaning method before brazing repairing of the single crystal turbine guide vane crack is suitable for an alitizing single crystal high temperature alloy turbine guide vane, the vane after being cleaned through the surface cleaning method has a good brazing repairing effect, and a repaired vane body has no recrystallization; the surface cleaning technical problem of single crystal high temperature alloy turbine guide vane non-recrystallization repairing is solved, and conspicuous innovativeness is achieved.

The invention discloses a method for preparing a pyrolytic boron nitride material. The method comprises the following steps: putting a substrate mold in an air-carrying atmosphere carrying borazine vapor under a vacuum condition, and pyrolyzing borazine which constantly deposits on the depositing surface of the substrate mold by adopting a chemical vapor deposition method to form the pyrolytic boron nitride material. The preparation method of the pyrolytic boron nitride material has the advantages of simple and easily controlled process, low cost, low energy consumption, high yield, environmental friendliness and the like.

The invention discloses a desulfurization device comprising a desulfurization tower body (100). At least one set of atomizers (200) is arranged on the tower wall of the desulfurization tower body (100). A plurality of atomizers (200) in each atomizer set are circumferentially arranged on and along the tower wall, such that slurry ejected by each set of the atomizers form a swirl in the desulfurization tower body (100). With the desulfurization device provided by the invention, flue gas can be mixed well with the slurry; the contact time of the flue gas and the slurry can be prolonged; and a contact reaction of the flue gas and the slurry can be facilitated. Therefore, desulfurization efficiency can be improved, and circulating slurry utilization rate can be improved, such that circulating slurry demand can be reduced, and desulfurization energy consumption can be reduced.

The invention discloses a method for making a bio-organic fertilizer by utilizing pig manure, and belongs to the field of organic fertilizers. The method for making the bio-organic fertilizer by utilizing the pig manure is characterized in that the organic fertilizer comprises the following ingredients in parts by mass: 200-220 parts of pig manure, 60-80 parts of plant ash, 100-110 parts of pond bottom sludge, 20-30 parts of oil cakes, 50-60 parts of crop straw, 3-5 parts of microbial flora, 20-30 parts of rotted crop fruits, 8-10 parts of wormcast and 30-40 parts of rice bran; an effect of processing the pig manure into the organic fertilizer in the form of composting is realized; through the use of biological land cultivating balls, earthworm cocoons in the biological land cultivating balls are hatched into earthworms, and biological soil digging can be performed on soil near the organic fertilizer and roots and stems of crops, so that the cost and the sum of labor of artificial soildigging are greatly reduced, the absorption of the organic fertilizer by the roots and stems of the crops is more easily, the step of crushing the organic fertilizer after composting is omitted, andthus the work efficiency is significantly increased.

The invention discloses a blood glucose detector for surgery, which comprises a box body, a storage box and a protective cover, a groove is arranged on the top of the box body, a storage box is arranged in the groove, a blood collection pen is placed in the storage box, a box The middle part of one side of the body is respectively equipped with a display, buttons and a storage box. The bottom of the box body is provided with a test paper receiving port, and the outer cover of the test paper receiving port is provided with a protective cover, which is connected to the box body through a rotating part. , the present invention is provided with a storage box for storing the blood collection pen and a storage box for storing the test paper, so as to prevent patients from forgetting to carry the blood collection pen or test paper when going out and miss the time of blood collection, and the protective cover can effectively protect the test paper receiving port from receiving Damage to the external environment facilitates contact and reaction between the blood and the sensor in the receiving port of the test paper, thereby ensuring the detection accuracy of the blood glucose detector.

The invention provides a fume purification device and central fume purification equipment, and relates to the technical field of purification equipment. The fume purification device comprises a ventilation pipe, an active carbon carrier layer is arranged in the ventilation pipe, the shape of the active carbon carrier layer is matched with the cross section shape of the ventilation pipe, and a photocatalyst corresponding to the ultraviolet rays is loaded on the active carbon carrier layer; an ultraviolet lamp is arranged in the ventilation pipe, and the ultraviolet lamp corresponds to the active carbon carrier layer; the central fume purification equipment comprises a public gas flue, an exhaust fan and the fume purification device; and the gas outlet end of the public gas flue is communicated with a gas inlet of the ventilation pipe, and a plurality of fume collecting hoods are communicated with the public gas flue. The fume purification device has good purification effect on VOCs element in the fume gas, the content of the VOCs element in the gas which is exhausted out of the ventilation pipe is greatly decreased, and pollution to the environment by the exhausted gas is reduced.

The invention discloses a device for detecting the carbon content of fly ash in a coal-fired power generation boiler and belongs to the technical field of detection of carbon content of fly ash. The device for detecting the carbon content of the fly ash in the coal-fired power generation boiler comprises a drying furnace, a burning furnace, a burning container and a lifting rotary tray, wherein one end of the drying furnace is communicated with an inert gas supply mechanism through a pipeline, and the other end of the drying furnace is communicated with a vacuum pump I through a pipeline; oneend of the burning furnace is communicated with an oxygen supply mechanism through a pipeline, the other end of the burning furnace is communicated with one end of a sealed container through a pipeline, and the other end of the sealed container is communicated with a vacuum pump II through a pipeline; the lifting rotary tray is used for transporting the burning container. The invention aims to overcome the defects of low measurement accuracy and reliability of the conventional technology for detecting the carbon content of the fly ash in the coal-fired power generation boiler, provides the device for detecting the carbon content of the fly ash in the coal-fired power generation boiler, and improves the accuracy and the reliability of measurement on the carbon content of the fly ash.

The invention relates to an integrated touch device with an external copper process for an LCD liquid crystal display. It includes an upper glass substrate and a sensing pattern layer; the surface of the upper glass substrate is copper plated with a first metal grid conductive layer, the first metal grid conductive layer is coated with an OC insulating layer, and the copper on the OC insulating layer is plated with a second metal grid conductive layer; the first metal grid conductive layer directly forms the first metal grid circuit, and forms the electroplating driving electrode pattern through the driving electrode unit; the second metal grid conductive layer directly forms the second metal grid circuit, and forms the second metal grid circuit directly through the driving electrode unit The sensing electrode unit forms an electroplating sensing electrode pattern; the electroplating driving electrode pattern and the electroplating sensing electrode pattern constitute the distribution of the sensing pattern layer. The present invention can reduce channel impedance, reduce power consumption, and improve transmittance without reducing pitch; in the case of a flexible integrated touch device, it can reduce the change of impedance when bending or stretching.

The invention discloses a gas circulation biological bubble tower methane/natural gas biological desulfuration method and belongs to the technical field of environment-friendly pollution treatment. The gas circulation biological bubble tower methane/natural gas biological desulfuration method comprises the steps of mixing methane/natural gas containing hydrogen sulfide with air or oxygen, allowingmixed gas to enter into a reactor for purification through a bubble diffuser from the bottom of a biological bubble tower reactor, dividing the purified methane/natural gas into two parts, allowing one part to circularly back flow through a gas circulation pump and enter the reactor with the mixed gas, and directly discharging the other part from the top of the reactor. The method basically converts H2S into elemental S, and significantly reduces post-treatment cost and secondary pollution risks; in particular, the methane is purified circularly; the desulfurization efficiency is greatly improved; and a yield of elemental sulfur is increased.

The invention belongs to the technical field of preparation of starch-beta-cyclodextrin microspheres, and provides a method for preparing starch-beta-cyclodextrin microspheres based on reversed-phaselatex method. The preparation method comprises the following steps: step 1, starch pretreatment: firstly, uniformly dispersing starch into a softening and moistening solution for 1-2 hours of immersion, then centrifuging and drying, then adding 25-35U/g of starch branching enzyme, then reacting for 1-2 hours at 55-65 DEG C, and finally washing with water, centrifuging and drying, so as to obtain afinished product. According to the prepared novel jasmine essence sustained release agent-starch-beta-cyclodextrin microspheres prepared using the reversed-phase latex method, the starch and the beta-cyclodextrin are both taken as the main materials to prepare the sustained-release agent, and the advantages of the starch and the beta-cyclodextrin are achieved at the same time, adsorption sites onthe surface of the microspheres are increased, essence adsorption capacity is increased, and the sustained-release effect is optimized.

The invention discloses a heterogeneous Fenton reactor which is characterized in that in the reactor, a sewage tank is used for accommodating sewage to be treated; a disc is rotatably arranged in the sewage tank, at least one third of the disc is immersed in the sewage, a fixing support comprises n fixing rods which are arranged in a radial mode, each fixing rod comprises a first end located in the radial center and a second end opposite to the first end, the fan-shaped cage bodies are fixed between every two adjacent fixing rods, each fan-shaped cage body is of a net-shaped structure, the net-shaped structure is filled with an iron catalyst, and the mesh diameter of the net-shaped structure is smaller than the particle size of the iron catalyst; and a rotating shaft is erected on the sewage tank, the rotating shaft is connected with the radiation center, and the rotating shaft rotates to drive the disc to rotate. The heterogeneous Fenton reactor is large in effective contact area, high in liquid fluidity, free of catalyst loss, free of secondary pollution and low in cost.

The invention discloses an energy-saving and environment-friendly fabric printing and dyeing process in the technical field of fabric printing and dyeing. The process comprises the following specific step: 1, pretreating fabric. According to the process, the fabric does reciprocating contraction movement by taking a spiral track as a track under the action of a rotating disc, so that the fabric cannot be mutually adhered and stacked in a limited space, a good distance is always kept; the fabric moves in the spiral track while a cooking agent is sprayed, so that the distance change of the fabric is realized, entry of a cooking agent and introduction of hot air are facilitated by the distance change, the hot air and the cooking agent can be in good contact with the fabric on the inner side, then the moving cloth can generate vibration, the cloth is prevented from being adhered together, and therefore, the cooking agent can be in full contact with the fabric conveniently; and a spray pipe can be bent at different angles along with the rotation of the rotating disc, so that the spraying range of the cooking agent is wider, and the cooking agent can be fully contacted and reacted with the fabric.

The invention belongs to the field of flue gas treatment. The problem that the arrangement elevation of a desulfurization system is increased, a support structure is large and complex, and the operation resistance of the desulfurizing tower is large can be solved. According to the two-stage circulating fluidized bed desulfurization system and the desulfurization process provided by the invention,the advantage of high concentration of materials in an ascending tower and the advantage of high contact probability of fresh materials and sulfur dioxide in a descending tower are utilized, so that the height of the tower is reduced and the overall utilization rate of a desulfurizing agent is increased under the condition of ensuring the same residence time of flue gas. The desulfurization systemcomprises a desulfurization tower and a desulfurizing agent bin, wherein the desulfurizing tower comprises the ascending tower and the descending tower, and the top of the ascending tower is communicated with the top of the descending tower; the desulfurizing agent bin is respectively communicated with a venturi section connected with the bottom of the ascending tower and the top of the descending tower and is used for respectively adding a desulfurizing agent into the desulfurizing tower from the venturi section of the ascending tower and the top of the descending tower.

The invention relates to the field of environmental protection devices, and concretely discloses a cyclone redistribution denitration reactor for flue gas. The cyclone redistribution denitration reactor comprises a flue gas inlet tube, a cyclone assembly for guiding flue gas, an ammonia spraying and mixing device, a connecting flue gas tube, a catalytic reaction device and a flue gas outlet tube which are sequentially interconnected, the cyclone assembly comprises a first shell, the flow guiding plates and a mounting plate, the flow guiding plates have a spiral fan blade shape, the flow guiding plates are connected to the inner wall of the first shell, and are arranged along the circumferential direction of the first shell, the quantity of the flow guiding plates is more than one, the rotating directions of all the flow guiding plates are same to each other, the mounting plate is positioned among all the flow guiding plates, and the mounting plate is fixedly connected to one ends, facing the center of the first shell, of all the flow guiding plates. Flue gas enters the cyclone assembly through the flue gas inlet tube, and moves along the flow guiding plates to form a uniform-rotating flue gas flow, so the flue gas is in a uniformly distributed state when moving to the ammonia spraying and mixing device, thereby the flue gas is well contacted and reacted with a reaction solutionsprayed by the ammonia spraying and mixing device, dead angles are reduced, and the denitration efficiency is improved.

The invention relates to a synthesis method of a supported MoS2 catalyst. The method comprises the following steps: preparing a macropore-mesopore-micropore composite hierarchical pore aluminum phosphate AFI molecular sieve carrier at normal pressure or a low authigenic pressure through adopting an ionothermal synthesis technology; and dipping the prepared hierarchical pore aluminum phosphate AFI molecular sieve carrier in a sulfur-containing mother liquor, drying the immersed carrier, and carrying out high temperature roasting to prepare the hierarchical pore molecular sieve supported MoS2 catalyst. The ionothermal synthesis technology has the advantages of recovery and repeated use of an ionic liquid, low synthesis cost, no discharge of acids, alkalis or waste liquids in the synthesis process, and environmental protection. The hierarchical pore molecular sieve supported MoS2 catalyst prepared in the invention has the advantages of large specific surface area, large pore volume, and potential application values in hydrodesulfurization, hydrocracking and other catalytic reactions.