57results about How to "Achieve solidification" patented technology

The invention belongs to the field of photovoltaic glass coatings, and particularly relates to a super-hydrophilic anti-reflection wear-resistant self-cleaning coating for room-temperature curing of photovoltaic glass, which takes nano silicon dioxide sol as a main film-forming agent to cure and form a film and comprises the following raw materials in parts by weight: 55-90 parts of deionized water, 9-20 parts of nano silicon dioxide sol, 1-10 parts of a silane coupling agent and 0.001-1 part of nano titanium dioxide. The coating is prepared from the following components in parts by weight: 0.01-1 part of a surfactant, 0.01-1 part of modified polyvinyl alcohol, 0.01-1 part of water-based acrylic resin, 0.001-1 part of an antistatic agent, 1-5 parts of a curing agent, 1-5 parts of a flatting agent and 0.1-1 part of a wear-resistant agent. The super-hydrophilic anti-reflection wear-resistant self-cleaning coating has super hydrophilicity, the water contact angle is below 10 degrees, the hydrophilicity, the antistatic property, the anti-reflection property, the wear resistance and other properties of glass can be remarkably improved, and when the super-hydrophilic anti-reflection wear-resistant self-cleaning coating is applied to photovoltaic module glass, the photoelectric conversion efficiency in photovoltaic power generation can be improved.

The invention provides a method for deeply extracting vanadium from vanadium-containing steel slag, which comprises the following steps: mixing the vanadium-containing steel slag and an oxygen-containing microbubble ammonium bicarbonate solution, and carrying out mechanochemical ball milling activation to carry out leaching reaction to obtain a vanadium extracting solution. According to the method, advanced oxidation is cooperated with mechanochemical ball milling to activate and strengthen deep extraction of vanadium in the vanadium-containing steel slag, wrapping of substances such as calcium silicate and calcium titanium oxide on a vanadium-containing solid solution phase is destroyed through mechanical activation, and O2 microbubbles in an ammonium bicarbonate medium are promoted to generate active oxygen under excitation of mechanical activation energy; exposure reaction and deep oxidation extraction of a vanadium-containing phase under mild conditions are achieved, the content of V2O5 in tailings after vanadium extraction is smaller than or equal to 0.5%, and the vanadium extraction rate is 83% or above.

The invention provides a cross-linked polybenzimidazole membrane as well as a preparation method and application thereof. The cross-linked polybenzimidazole membrane comprises a cross-linked network structure, main raw materials of the crosslinked polybenzimidazole membrane comprise polybenzimidazole, a crosslinking agent and a pore forming agent, the crosslinking agent is a diepoxy compound or a silane coupling agent with an epoxy bond, and the addition amount of the crosslinking agent relative to the polybenzimidazole is 2wt%-10wt%. The cross-linked polybenzimidazole membrane is high in mechanical strength, good in mechanical stability, low in swelling rate in electrolyte and high in durability; the cross-linking agent and the pore-forming agent selected in the invention can ensure that the cross-linked polybenzimidazole membrane forms a cross-linked network structure.

The invention relates to the technical field of polyurethane adhesives, and discloses an ultralow-temperature high-bonding-strength single-component polyurethane composition and a preparation method thereof.The ultralow-temperature high-bonding-strength single-component polyurethane composition is prepared from, by mass, 50%-60% of first isocyanate, 10%-20% of prepolymer, 10%-20% of inorganic filler, 0.5%-1% of catalyst, 1%-2% of defoaming agent, 5%-10% of solvent oil and 0.11%-0.2% of pigment; the first isocyanate is formed by mixing toluene diisocynate and isophorone diisocyanate, and the mass ratio of the toluene diisocynate to the isophorone diisocyanate is 1: (0.5-1.5). The ultralow-temperature high-bonding-strength single-component polyurethane composition disclosed by the invention is excellent in bonding strength under normal-temperature and low-temperature conditions and excellent in bonding performance under an ultralow-temperature environment (-150 DEG C), and can meet industrial standards.

The invention discloses a man-machine collaborative public opinion monitoring method and system based on reinforcement learning. The system comprises a allusion, television and harmonic reference analysis module, a public opinion data processing module, a model recognition module, a public opinion risk assessment module, a public opinion propagation analysis module, a learning optimization module and a deployment configuration module. The public opinion data processing module is used for collecting, cleaning, sorting, storing and preprocessing public opinion related data; the public opinion data storage module is used for managing and storing a large amount of public opinion data; through a reinforcement learning algorithm, the model can adapt to different public opinion environments, through repeated annotation and feedback of public opinions identification experts, the expert ability is solidified, dependence on manual annotation of the experts is reduced, through continuous iterative optimization, the model performance can be continuously improved, the model adapts to changes of the public opinion environments, and the method is suitable for popularization and application. Modern technical means such as deep pre-training, reinforcement learning and reward models are adopted, and innovation and breakthrough of the public opinion monitoring technology are achieved.

The present invention discloses a method for ecological reconstruction of mines using harmless phosphogypsum, and relates to the technical field of harmless treatment and resource utilization of phosphogypsum. The phosphogypsum that has been washed and deeply purified is further chemically treated to obtain harmlessly treated phosphogypsum; the mixture of the treated phosphogypsum and β-type building gypsum is used for ecological reconstruction of mines. By harmlessly treating the phosphogypsum and then using it together with building gypsum for ecological reconstruction, the comprehensive utilization of phosphogypsum is achieved, the risks that may be caused by stockpiling are reduced, and the ecological construction of mines is promoted at the same time, with significant environmental and economic benefits, and outstanding technical effects and application value. By further chemically treating the washed phosphogypsum, the targeted capture, fixation, and solidification of harmful substances are achieved to form insoluble and insoluble substances, thereby effectively controlling the leaching of harmful substances that may damage the environment in the ecological reconstruction material, and ensuring the safety and environmental protection of the material.

The utility model relates to the technical field of color printing equipment, and discloses quick-drying color printing equipment which comprises a workbench, a storage groove is formed in one side of the upper surface of the workbench, rotating rods are rotationally connected to the front ends and the rear ends of the two sides of the inner wall of the storage groove, and a first servo motor is fixedly connected to one side of the upper portion of the outer wall of the front end of the workbench. According to the color printing equipment, when the color printing equipment is used, the first servo motor is started to drive the rotating rod to rotate and drive the conveying belt to rotate at the same time, materials subjected to color printing can be conveyed, a photoinitiator in UV printing ink can be rapidly triggered to react through cooperation of the multiple sets of ultraviolet curing lamps, printing ink curing is achieved, and the color printing efficiency is improved. And a second servo motor is matched to drive a driving rod to rotate and drive a driven rod to rotate at the same time, then two sets of circulating fans diffuse internal hot air, and residual moisture or solvent on the surface of the material and in the material is further evaporated.

The invention relates to the technical field of tunnel construction equipment, in particular to automatic guniting equipment for tunnel construction. A support base; the cement pump is arranged on the outer side of the slurry storage tank and fixedly connected with the supporting base, the input end of the cement pump is connected with the slurry storage tank, and the output end of the cement pump is connected with the slurry conveying pipe; the positioning grouting unit is arranged on the outer side of the slurry storage tank, is connected with the supporting base and is connected with the other end of the slurry conveying pipe; the automatic stirring unit is connected with the slurry storage tank and is connected with the positioning grouting unit; wherein the positioning grouting unit comprises a multi-directional synchronous adjusting assembly, a movable guniting assembly and a synchronous energy supply assembly, by arranging the positioning grouting unit, synchronous transverse, longitudinal and angle adjustment can be conducted on the guniting position, then positioning guniting is completed, automatic stirring of concrete located on the inner side of a guniting tank can be achieved in the guniting process, and the guniting efficiency is improved. And continuous guniting is achieved, and then the machining efficiency is improved.

The utility model discloses battery string glue printing equipment which comprises a base, a first conveying mechanism, a second conveying mechanism, a first glue printing table, a second glue printing table and a glue printing device, the glue printing equipment is sequentially provided with a material taking station, a glue printing station and a discharging station, and the glue printing device is arranged at the glue printing station; the first conveying mechanism is configured to drive the first glue printing table to circulate among the material taking station, the glue printing station and the discharging station, the second conveying mechanism is configured to drive the second glue printing table to circulate among the material taking station, the glue printing station and the discharging station, and the glue printing table located at the material taking station is used for receiving a battery string to be subjected to glue printing; the glue printing device is used for printing glue on the battery strings on the glue printing table at the glue printing station, and the glue printing table at the discharging station is used for waiting for the battery strings printed with the glue to be taken away; according to the battery string glue printing equipment, the two glue printing tables are arranged, and the two glue printing tables are provided with the independent conveying mechanisms, so that continuous operation of the battery string glue printing equipment is realized, and the production efficiency is improved.

The invention discloses a seawater mixing self-adaptive novel cementing material as well as a preparation method and application thereof. The cementing material comprises the following components in parts by weight: 30-70 parts of Portland cement, 20-50 parts of an auxiliary cementing material, 5-15 parts of high belite calcium sulphoaluminate cement clinker and / or high belite calcium aluminoferrite cement clinker, 6-14 parts of nano particle sol, 1-3 parts of a water reducing agent, 3-7 parts of a nano particle stabilizer and 28-50 parts of mixing water. The nano particle sol comprises nano silica sol and nano aluminum sol at the same time, and the silica sol and the aluminum sol are connected through-COO <-> formed by dehydration condensation of Si-OH on the surface of the silica sol and-COOH on the surface of the aluminum sol. The cementing material disclosed by the invention has the characteristics of high early strength, steadily improved later strength, strong chloride ion curing capacity and strong chloride ion erosion resistance, and shows excellent durability and seawater erosion resistance.

The invention discloses an unmanned aerial vehicle throwing type monitoring device and method for power transmission tower geological disaster monitoring, and relates to the technical field of power transmission tower monitoring. The photovoltaic power generation device comprises a shell, photovoltaic power generation panels are arranged on the two sides of the shell, a folding adjusting mechanism is arranged between the shell and the photovoltaic power generation panels, a balance weight mechanism is fixedly connected to the bottom of the shell, a glue injection mechanism is fixedly connected to the bottom of the balance weight mechanism, and an insertion mechanism is fixedly connected to the bottom of the glue injection mechanism. The bottom of an inner cavity of the shell is fixedly connected with a buffer mechanism, and the top of the buffer mechanism is fixedly connected with a monitoring equipment body. Through cooperation of the folding adjusting mechanism, the glue injection mechanism and the buffer mechanism, the problems that in the prior art, a power transmission tower monitoring means often faces many difficulties and cannot be implemented in a geological disaster environment, equipment falling lacks an efficient buffer energy absorption structure, and soil solidification liquid cannot be released are solved.

The invention discloses a laser impact riveting connection device, comprising: a blank holder ring, which is coaxially provided with a first through hole, a second through hole and a third through hole which are connected in sequence; a laser generator, which is movably arranged in the first through hole and the second through hole; a first connecting rod, which is threadedly connected in the third through hole, and one end of the first connecting rod is fixedly connected to the laser generator; a laser absorption layer plate, which is movably installed in the first through hole; a laser constraint layer plate, which is movably installed in the first through hole and is stacked on the laser absorption layer plate and is spaced apart from the laser generator; a first inclined hole, which is opened on the side wall of the blank holder ring; an infrared thermometer, which is arranged in the first inclined hole; a second inclined hole, which is spaced apart from the first inclined hole; an infrared heater, which is arranged in the second inclined hole; a base, which is coaxially arranged with the blank holder ring, and has a concave model cavity at the center of the base; a cooling water cavity, which is arranged in the base, and the cooling water cavity is arranged around the concave model cavity.

The invention discloses a gutta-percha modified second-order reaction epoxy adhesive and a preparation method thereof, the epoxy adhesive is composed of a component A and a component B. The component A comprises epoxidized gutta-percha, liquid epoxy resin, a reactive diluent, an auxiliary agent and the like, and the component B comprises a cardanol modified phenolic aldehyde amine curing agent, a modified polyamide curing agent, vegetable oleic acid, an auxiliary agent and the like. The gutta-percha modified second-order reaction epoxy adhesive disclosed by the invention has the characteristics of second-order reaction characteristic, high flexibility, high bonding strength, greenness, environment friendliness, reproducibility and the like, and is suitable for waterproof bonding between steel and concrete base planes of roads, bridges and the like and asphalt pavement layers.

This application relates to the field of electrophoretic coating technology, and discloses a low-temperature curing epoxy cathodic electrophoretic coating and its preparation method. The low-temperature curing epoxy cathodic electrophoretic coating comprises 40-60 parts of cationic epoxy main resin, 10-25 parts of low-temperature blocked isocyanate curing agent, 15-30 parts of pigment and filler paste, 0.5-3 parts of neutralizing agent, 20-40 parts of deionized water, and 0.2-2 parts of additives; the cationic epoxy main resin is an amine-modified bisphenol A type epoxy resin with a number average molecular weight of 2500-5000; the unblocking temperature of the low-temperature blocked isocyanate curing agent is 90-120℃. The preparation method includes a first neutralization, pre-emulsion formation, pre-emulsion maturation, a second neutralization, and a second dispersion step. The low-temperature curing epoxy cathodic electrophoretic coating of this application has good dispersion and stability, and can form a continuous coating film.

The present application relates to the technical field of digital powder jet printing, and provides a digital powder jet printing method and a digital powder jet printing machine, which comprise the following steps: S1: providing a conveying channel for conveying a printing substrate; at least one jet printing area, at least one powder jet area and at least one curing area are respectively arranged in the conveying channel in the conveying direction of the conveying channel; S2: providing a jet printing device; when the printing substrate reaches the jet printing area, the jet printing device sprays a jet printing layer on the printing substrate in the jet printing area; S3: providing a powder jet device; the powder jet device comprises a second varnish jet head and a powder jet device; when the printing substrate reaches the powder jet area, the second varnish jet head can spray varnish on the printing substrate in the powder jet area to form a primer layer, and the powder jet device can spray powder on the printing substrate in the powder jet area; S4: providing a curing device.

This invention discloses a method, apparatus, device, and medium for solidifying tacit knowledge, relating to the field of artificial intelligence technology. The method includes: acquiring the current task context; using a generative agent to determine unprocessed items; and having the generative agent search for these unprocessed items in a preset factual knowledge base and / or normative knowledge base to generate valid search records; assembling first prompt words and invoking a large language model to reason about the first prompt words, obtaining preliminary results; comparing the preliminary results with standard examples in the current task context to generate a difference report; assembling second prompt words and invoking a large language model to reason about the second prompt words; extracting tacit knowledge based on the difference report; and solidifying the tacit knowledge contained in the standard examples. This invention mines and extracts the tacit knowledge of experts, achieving the solidification of tacit knowledge and realizing the accumulation, reuse, and structured management of enterprise knowledge assets.

The invention provides an automatic spectrograph debugging device and method, and the device comprises a standard light source module which is used for providing a reference light signal with a known characteristic spectral line for a to-be-debugged spectrograph; the grating adjusting mechanism comprises an electric rotary displacement table and a linear displacement table, the electric rotary displacement table is used for driving a grating in the spectrometer to rotate around a shaft so as to adjust wavelength accuracy, and the linear displacement table is used for translating the grating in the light path direction so as to adjust spectral resolution; the spectrum acquisition module is used for acquiring spectrum data processed by the spectrograph in real time; a reference spectrum is excited through a multi-spectral-line standard light source, the peak position and the full width at half maximum are accurately extracted by adopting spline interpolation, an electric rotary displacement table and a linear displacement table are driven to perform two-dimensional closed-loop adjustment on a grating, and the wavelength-pixel non-linear mapping correction and convergence criterion are combined, so that the resolution of the grating is improved. And full-automatic high-precision calibration of wavelength accuracy and spectral resolution is realized.

The invention relates to laser repairing equipment for a Micro LED drive circuit. The laser repairing equipment comprises a portal frame, a working platform assembly, a light box assembly and a spraying assembly. The portal frame is installed on the side, close to the Y-axis negative direction, of the working platform, the light box assembly is installed on the side, in the Y-axis positive direction, of the top of the portal frame, and the spraying assembly is installed on the side, in the Y-axis positive direction and the Y-axis negative direction, of the top of the portal frame. A mechanical arm assembly is installed on the side, in the positive direction of the Y axis, of the working platform, and a rotary material receiving platform assembly is installed on the side, in the positive direction of the X axis, of the mechanical arm assembly. According to the invention, short circuit and open circuit defects of the front and back surfaces and the side wires of the Micro LED driving circuit can be efficiently and accurately repaired.

The invention belongs to the technical field of silica gel preparation, and discloses high-temperature-resistant silica gel and a preparation method thereof.The high-temperature-resistant silica gel comprises matrix silica gel, filler, a cross-linking agent, a plasticizer, an antioxidant and a coloring agent, the matrix silica gel accounts for 72% of the total formula, the filler accounts for 25% of the total formula, the cross-linking agent accounts for 2% of the total formula, the plasticizer accounts for 2% of the total formula, and the antioxidant accounts for 2% of the total formula. The plasticizer accounts for 10% of the total formula. Through the selection of the plasticizer silicone oil and the precise regulation and control of the viscosity, the silica gel is endowed with good flexibility and processability, so that the silica gel can still keep good form and performance in a high-temperature environment, the degradation reaction in high-temperature and oxidation environments is effectively prevented, the service life of the material is remarkably prolonged, and meanwhile, the silica gel can be used as a high-temperature-resistant material. By adopting the non-volatile high-temperature dye, the color selection of the silica gel is enriched, the color stability under a high-temperature condition is also ensured, the color fading phenomenon is avoided, and the requirements of high-end fields on attractive appearance and performance are met.

The invention discloses a method and equipment for stably solidifying electrolytic manganese residues through magnesium residues, and the equipment comprises an electric heating constant-temperature drying machine, a particle pulverizer, a metal shell, a constant-temperature aging mechanism and an aging warehouse. The upper end of the left side of the electric heating constant-temperature drying machine is fixedly provided with a first conveyor; a second conveyor is fixedly installed between the lower end of the right side of the electric heating constant-temperature drying machine and the left end of the top of the particle pulverizer, and a third conveyor is fixedly installed between the lower end of the right side of the particle pulverizer and the left end of the top of the metal shell. A third conveyor is fixedly mounted between the lower end of the right side of the particle crusher and the left end of the top of the metal shell, and a stirring motor is fixedly mounted at the lower end of the front surface of the metal shell. The industrial solid waste magnesium slag is used for innocent treatment of the electrolytic manganese slag, so that the innocent treatment cost of the electrolytic manganese slag is effectively reduced, and the innocent treatment process of the electrolytic manganese slag is simplified.

The utility model provides a dust-free graphite boat coating device, which relates to the technical field of graphite boat processing and comprises an integral structure and supporting structures, and the supporting structures are positioned at the front and rear positions of the two sides of the bottom of the integral structure; the whole structure comprises a box body, the top of the box body is fixedly connected with a feeding box, a control panel is fixedly installed at the center of the outer surface of the front side of the feeding box, and a frequency converter is fixedly installed on one side of the outer surface of the front side of the feeding box. In the use process, a user can adjust the control parameters of the frequency converter, such as the initial frequency of a plurality of components, according to actual requirements, the whole frequency converter can operate in the optimal working efficiency interval by optimizing the parameters, energy consumption can be further reduced, and the control panel, the temperature sensor and the heating plate are matched with one another, so that the energy consumption is reduced, and the service life of the frequency converter is prolonged. The temperature in the feeding box can be monitored, and the temperature in the heating process is adjusted, so that it is ensured that the coating can be heated to be appropriate and stable.

This utility model belongs to the field of ultrafine calcium powder dry desulfurization technology, specifically relating to a device for reusing desulfurization waste ash and a dry desulfurization system. The device for reusing desulfurization waste ash includes: an ash storage silo; a pneumatic ash conveying pipeline connected to the ash storage silo; a first desulfurization waste ash conveying pipeline connected to the ash storage silo; a first control valve located on the first desulfurization waste ash conveying pipeline; a variable frequency screw conveyor connected to the first desulfurization waste ash conveying pipeline; and a conveying assembly connected to the variable frequency screw conveyor and the flue.

The invention discloses a composite additive for curing radioactive slurry and a curing method of the radioactive slurry, the composite additive for curing is obtained by compounding granulated blast furnace slag, zeolite obtained by mixing (8-10) membered cyclic chabazite and (10-12) membered cyclic chabazite, volcanic ash with the silicon dioxide content of more than or equal to 50% and a polycarboxylic acid type high-performance water reducing agent. In the cement solidification process, common Portland cement in the market is used as a solidification base material, and medium and low-level radioactive waste liquid with the sodium nitrate content being smaller than or equal to 330 g / L can be used as mixing water, so that the radioactive waste liquid can be synergistically solidified while the radioactive slurry is solidified, the production efficiency is improved, and the production cost is reduced. Cement solidification of radioactive slurry can be achieved, the mass inclusion rate reaches 0-20%, solidified cement obtained through the composite additive and the solidification method meets the performance requirements of existing radioactive waste solidified bodies, and a large space is provided for containing engineering fault tolerance.

The invention discloses a double-component curing filling adhesive with long operation period, low moisture absorption and low hydrogen evolution as well as a preparation method and application of the double-component curing filling adhesive. The two-component curing filling adhesive comprises a component A isocyanate phase and a component B latent amine curing agent phase, and is characterized in that the component A isocyanate phase comprises an isocyanate-terminated prepolymer, epoxy resin, hydrophobic fumed silica, silanized nano aluminum oxide and polyether modified siloxane; and the component B latent amine curing agent phase comprises an acylphosphine oxide photoinitiator, a 4, 4 '-diaminodiphenylmethane curing agent microcapsule, a Lewis acid inhibitor and a hydrogen inhibitor. The two-component curing filling adhesive disclosed by the invention has an operation period of 12 hours; the double-component curing filling adhesive is used for bonding optical fibers, the hydrogen evolution amount (24h, 80 DEG C) is 0.15 mu L / g, and the moisture absorption weight gain rate is 0.13%; the double-component curing filling adhesive prepared by the invention can be completely cured within 120 minutes when being heated at 40 DEG C under 365nm ultraviolet radiation.

The present invention belongs to the field of semiconductor intelligent lighting technology, and is used for semiconductor LED packaging technology, and specifically relates to a method for manufacturing an intelligent temperature-controlled COB light source. The present invention obtains an intelligent temperature-controlled COB light source by bonding multiple LED blue light chips to an LED substrate through solid crystal, wire bonding or eutectic, applying a first phosphor coating layer and a second phosphor coating layer, installing a dam glue layer and applying a transparent glue layer. The present invention arranges and installs LED blue light chips to achieve a spacing of less than 0.5 mm, and uses two bakings at different temperatures to achieve the effects of discharging bubbles and curing in the fluorescent glue. By first coating all LED chips with phosphors, and then coating local LED chips with phosphors, two light colors are mixed into other light colors, and the light spots are uniform and the light source is output at a high density, thereby quickly achieving the purpose of batch-producing COB light sources with high light density output.

This invention relates to the field of environmental engineering technology and discloses a method for treating wastewater containing copper nitrate and copper sulfate from the high-purity copper industry. The method involves filtering the copper nitrate and copper sulfate wastewater into reaction tanks A and B respectively, adding flocculants, monitoring the pH value of the reaction tanks during the reaction process using online monitoring instruments, and separately adding hydrogen peroxide to reaction tank A to break down the complexed copper and convert it into Cu. 2+ The supernatant is used as effluent and treated by diffusion dialysis. Activated carbon adsorption and reverse osmosis separation are used to further remove residual copper ions. The sludge is washed eight times with circulating water. Based on sludge stabilization, the sludge is converted into organic fertilizer through composting. Bioleaching technology uses microorganisms or their metabolites to leach valuable metals from the sludge through interaction with the metals. The treated wastewater is neutralized and then discharged into a comprehensive wastewater pond. The recovered copper is electrolyzed to produce copper products with 98% purity.

The invention relates to the technical field of solid waste treatment and carbon sequestration and emission reduction, and discloses a method for mineralizing, carbon sequestration and heavy metal solidification of waste incineration fly ash and a waste incineration fly ash solidified body. The waste incineration fly ash mineralization carbon sequestration and heavy metal solidification coupled method comprises the steps that a fly ash solidified green body is prepared, specifically, waste incineration fly ash and cement serve as raw materials, water is added, pouring forming is conducted after uniform stirring, demolding is conducted after standing, and the fly ash solidified green body is prepared; mineralization is conducted, specifically, the fly ash solidified green body is placed in a high-pressure kettle to be subjected to mineralization reaction through pure CO2, and a waste incineration fly ash solidified body is prepared; wherein the addition amount of the waste incineration fly ash is 50wt.%-60wt.%, the addition amount of the cement is 40wt.%-50wt.%, the total addition amount of the waste incineration fly ash and the cement is 100wt.%, and the mass ratio of water to ash is 0.3-0.45. According to the method, CO2 is used for mineralizing the waste incineration fly ash solidified body, harmlessness of the waste incineration fly ash can be achieved, especially solidification of typical heavy metal can be achieved, and compared with a traditional solidification method, a chelating agent can be saved.

The present application relates to the technical field of epoxy resin adhesive, in particular to a long applicable period dual-curing interpenetrating network type one-component epoxy resin adhesive, a preparation method and application, the adhesive is composed of 100 parts of E-51 epoxy resin, 15-35 parts of modified imidazole curing agent, 10-40 parts of active diluent, 0.2-2.0 parts of free radical polymerization initiator by weight fraction; The modified imidazole curing agent has the functions of latency and toughening. The one-component epoxy adhesive of the present application has a long room temperature storage period, which can reach 570-632 hours; only heating is needed to simultaneously realize free radical polymerization curing and thermal curing, forming an interpenetrating network type resin material with high strength and high toughness; there is no strict requirement for raw materials and packaging substrates, overcoming many defects existing in traditional dual-curing epoxy adhesives.

A harmless resource utilization method of suspending roasting sulfur-containing cyanide tailings belongs to the field of safe disposal of hazardous waste. The two-stage roasting method is adopted, the reaction conditions such as roasting atmosphere, temperature and holding time in the suspending roasting process are adjusted, and the sintered tile meeting GB / T21149-2019 ''Sintered Tile'' is obtained. The removal of toxic cyanide is realized, and the solidification of sulfide and heavy metal is realized, wherein the removal rate of cyanide and the solidification rate of heavy metal are all more than 99%, and the sulfur solidification rate is more than 90%. The method can realize the harmless and resource disposal and utilization of cyanide tailings in one step, and has the advantages of environmental protection, economy and social benefits.

This invention discloses a bio-based thermoplastic polyurethane coating material and a controlled-release fertilizer that are easily and rapidly degradable. The coating material comprises 0.8-2.0 parts of a bio-chain matrix and 0.5-1.5 parts of a chain reinforcing agent; the bio-chain matrix is ​​a mixture of pre-oxidized vegetable oil diol and bio-based polyester diol; the chain reinforcing agent is a mixture of a curing agent, a hardening agent, and a toughening agent. The bio-based thermoplastic polyurethane-coated controlled-release fertilizer comprises fertilizer granules and a bio-based thermoplastic polyurethane coating material sprayed onto the surface of the fertilizer granules; the amount of the bio-based thermoplastic polyurethane coating material sprayed is 0.8-10% of the mass of the fertilizer granules. This invention, through precise control of the coating material formulation, can achieve a combined improvement in the tensile strength and toughness of the bio-based thermoplastic coating material, thereby achieving a superior controlled-release effect and resolving the contradiction between the degradability and controlled-release performance of current bio-based polyurethane coating materials.