9results about How to "Guaranteed reactivity" patented technology

The invention provides a high-moisture-permeability and high-stability humidity-sensitive polyurethane material and a preparation method thereof, and relates to the technical field of material preparation, the material architecture comprises a polyol component, an isocyanate component, a chain extender component and a functional agent component, wherein the polyol component accounts for 80-92% of the whole ingredient, the isocyanate component accounts for 3-5% of the whole ingredient, the chain extender component accounts for 2-5% of the whole ingredient, the functional agent component accounts for 5-10% of the whole ingredient, the polyol component is adaptive to different performance emphasis of packaging and spinning, the isocyanate component meets the difference of processing, environment and service life, and the functional agent component accounts for 5-10% of the whole ingredient. The chain extender component adapts to the thickness and strength requirements of a membrane material, the functional agent component aims at special environment and functional requirements, perfect matching of the material and an application scene of a target product is achieved through accurate blending of the component proportion, the adaptive scene of the humidity-sensitive polyurethane material can be greatly met, meanwhile, the function of the humidity-sensitive polyurethane material is utilized and played to the maximum extent, and the application prospect of the humidity-sensitive polyurethane material is widened. Material waste is avoided, cost is saved, and production is maximized.

The utility model discloses a harmless treatment system for electrolytic manganese residues, and relates to the technical field of application of solid waste treatment and environmental protection. The innocent treatment system for the electrolytic manganese residues comprises a manganese residue pretreatment system, an activating agent pretreatment system, a pH back-adjusting agent pretreatment system, a treating agent pretreatment system, a reaction system and a recovery system, the manganese slag pretreatment system, the activating agent pretreatment system, the pH back-adjusting agent pretreatment system and the treating agent pretreatment system are respectively connected with the reaction system, and the reaction system is connected with the recovery system. According to the utility model, links of backwashing, crushing, mixing and ammonia absorption are linked, innocent treatment of electrolytic manganese residues is realized, the design is reasonable, the structure is simple, automatic operation can be realized, and the treatment cost is low.

The present invention discloses a grading method and application of a hydrogenation catalyst. The method includes a hydrodemetallization reaction zone, wherein the hydrodemetallization reaction zone includes at least a first hydrodemetallization reaction zone and a second hydrodemetallization reaction zone which are sequentially connected in series along the direction of the logistics, and the catalyst loaded in the second hydrodemetallization reaction zone is a second hydrodemetallization catalyst, wherein at least one catalyst is loaded; and the active metal component of the second hydrodemetallization catalyst is distributed in a "protein type"; and the second hydrodemetallization catalyst adopts a specific loading method. The grading method is applied to the heavy oil hydrogenation reaction, which can reduce the deposition of metal impurities and carbon deposits on the catalyst, slow down the catalyst deactivation rate, improve the demetallization, desulfurization and residual carbon removal stability of the entire system, and extend the operation cycle of the catalyst.

The invention belongs to the technical field of vertical barrier materials, and particularly relates to a vertical antifouling barrier material and a preparation method and application thereof.The antifouling barrier material is prepared from, by mass, 10-15 parts of bentonite, 3-15 parts of gelling agent and 70-87 parts of in-situ soil, the gelling agent is prepared from activated red mud, blast furnace slag powder, silica fume and water glass, and the water glass is prepared from sodium silicate, sodium silicate and sodium silicate. By replacing cement with the gelling agent component, the adsorption capacity, the pollutant intercepting capacity and the early strength of the vertical antifouling barrier material are improved, a low-permeability antifouling barrier can be formed in a high-concentration organic pollution solution and a heavy metal pollution solution, pollutants are prevented from horizontally migrating along with underground water, and the pollution resistance of the vertical antifouling barrier material is improved. And thus, effective isolation management and control of the polluted site are realized. The vertical antifouling barrier material provided by the invention can be applied to a polluted site in which the underground water heavy metal concentration is greater than or equal to 20mg / L or the organic matter concentration is greater than or equal to 400mu g / L.

This utility model relates to melamine-formaldehyde resin production technology, and discloses a melamine-formaldehyde resin condensation reactor with flexible chain controllable polymerization, including a reactor body, a stirring device, a temperature control device, a feeding device, a flexible chain polymerization control device, and a discharging device; the stirring device includes a motor, a drive shaft, and a stirring paddle, with the motor installed above the reactor body and connected to the stirring paddle via the drive shaft; the temperature control device includes a heating jacket, a heating coil, and a temperature sensor located inside the reactor body; the feeding device includes a feeding pipe, a high-precision flow meter, an electric valve, and a feed inlet; the flexible chain polymerization control device includes a viscometer, an infrared spectrometer, a data processor, and a controller, with the viscometer and infrared spectrometer located inside the reactor body; the discharging device is located at the bottom of the reactor body and includes a sealing valve, a discharging pipe, a heat insulation layer, and a variable frequency delivery pump, with a heat insulation layer outside the discharging pipe and the variable frequency delivery pump installed on the discharging pipe.

The application relates to high-sphericity nano tetragonal barium titanate for MLCCs and a preparation method thereof. The technical scheme is as follows: a titanium source, a dissolving agent and potassium perchlorate are mixed to obtain mixed material A; the mixed material A is heated twice under air condition, is preserved, is naturally cooled to obtain a reaction product; the reaction product is washed with distilled water I, is separated, is dried to obtain titanium dioxide powder; the titanium dioxide powder and barium oxide are mixed to obtain mixed material B; the mixed material B, ethylene glycol, pure water and an anionic surfactant are mixed to obtain a mixed solution; the mixed solution is moved to a polytetrafluoroethylene reaction kettle, is placed in a microwave heating furnace, is heated, is preserved, is naturally cooled and is filtered; the filtered product is washed with distilled water II, is separated, is dried to obtain high-sphericity nano tetragonal barium titanate for MLCCs. The product prepared by the application has high purity, high sphericity, small particle size, good dispersity and high tetragonality.

The utility model discloses an SCR (Selective Catalytic Reduction) denitration system suitable for the working condition change of a boiler, which comprises an SCR denitration reactor, a rectification grid is arranged in the SCR denitration reactor, and a vanadium-titanium catalyst is arranged at one end of the rectification grid; an SCR inlet flue is arranged at one end of the SCR denitration reactor, an SCR inlet flue regulating valve is arranged on the SCR inlet flue, an ammonia spraying grid is arranged at one end of the SCR inlet flue regulating valve, and the SCR inlet flue is connected with the inlet end of the SCR denitration reactor; and a low-temperature flue gas bypass and a high-temperature flue gas bypass are arranged at one end of the SCR inlet flue. The device can be suitable for the working condition change of the boiler, and when the boiler is frequently subjected to high-load or low-load peak regulation, it is guaranteed that the inlet smoke temperature of the SCR denitration reactor is always kept in a stable range.

The invention discloses a biomass acid desulfurization synergist as well as a preparation method and application thereof. The biomass acid desulfurization synergist comprises the following components in percentage by mass: 30-60% of a biomass acid active component, 10-30% of an alkalinity supplement, 5-15% of a metal ion chelating agent, 3-10% of a wetting dispersant and the balance of water. The biomass acid desulfurization synergist can supplement alkalinity in thermodynamics, can reinforce the mass transfer process in dynamics, can enhance the system stability and impact load resistance, and has important industrial application value.

The utility model relates to the technical field of discharging devices for recycling lithium ion batteries, and discloses a discharging device for recycling lithium ion batteries, which comprises a soaking box, two groups of heating devices are arranged on two sides of the inner bottom wall of the soaking box, and a liquid discharge pipe is arranged on the outer wall of the right side of the soaking box. A supporting frame is arranged in the middle of the inner bottom wall of the soaking box, discharging assemblies are arranged in the soaking box and on the rear side of the soaking box, and each discharging assembly comprises a motor, a fluoroplastic pump, a salt solution box, a liquid inlet pipe and a glass plate. Meanwhile, a heating device enables the salt solution to be heated more uniformly, after the salt solution is used for a period of time, a liquid discharging pipe is opened to discharge old liquid, then a fluoroplastic pump is started, a new solution is conveyed from the salt solution box to the soaking box, the reaction activity of the solution is maintained, and the battery recovery reaction is assisted.