181results about How to "Curing stability" patented technology

The invention discloses a neutral inorganic composite material for dehydration, solidification and modification of high water content sludge. The composite material comprises a powdery mixture consisting of the following components in part by weight: 100 parts of water hardened solidifying material consisting of hydrated gypsum and magnesium oxide, 80 to 120 parts of inorganic water absorption ash material, 20 to 40 parts of inorganic substance aid hardened material, 1 to 10 parts of high polymer coagulant and 1 to 5 parts of modifying functional agent. After being treated by the neutral inorganic composite material, the solidified sludge has high compressive strength; the pH of the lixivium is neutral, and meanwhile, harmful substances such as heavy metal and the like in the sludge can be effectively solidified; the treated sludge meets the requirement of landfill soil, soil for earthwork or soil for greening and farmlands; and the neutral inorganic composite material can be widely applied to the dehydration, solidification and modification of the high water content sludge such as sludge from waterworks, dredged bottom mud of rivers and lakes, residual building soil and the like.

The invention discloses a desert control method of a chemical sand-fixing greening technology based on organic composite materials, and the desert control method is characterized in that hydrophilic polyurethane resin curing agent solution is sprayed on a sand or soil layer of greening objects for sowing the vegetation for forming a porous fixed sand layer. The fixed sand layer formed by the method has appropriate thickness and strength, good durability, good anti-freeze and melt properties and functions of water retention, thermal insulation, ventilation, vegetation and the like. According to the method of the invention, the stable and effective solidifying can be carried out on sand even under the specific desert environments of no abundant groundwater sources and strong wind erosion, and the purpose of vegetation greening can be also realized. The method has large-scale construction properties and good economic performances, thereby being applicable to the needs of large-scale chemical sand fixing and vegetation greening of the vast desert and realizing the plant greening function and the ecological restoration and the control of desertified land.

The invention relates to a stabilization and solidification method of highly toxic waste residues containing one or more of mercury, arsenic, chromium, cadmium and cyanide. Heavy metal is stabilized through chemicals, and then the highly toxic waste residues are sequentially wrapped with gypsum plus paraffin and epoxy resin. After four times of wrapping and two times of solidification, highly toxic substances in the waste residues are fully solidified into a solidified body, and the generated solidified body is high in strength and long in stability, and can be buried conveniently later.

Ceramic exhaust gas sensors are disclosed that offer enhanced dimensional stability during curing, with reduced occurrence of deformations like bending or warping, and can be used in a variety of exhaust gas component sensing applications. The sensors of the invention utilize appropriate selection and orientation of the various layers of green ceramic tape that make up the sensor structure to provide enhanced dimensional stability.

The invention relates to a sewage treatment agent. The sewage treatment agent is prepared from the following components: chitosan solidified tannin, a sodium bentonite-loaded microbial agent, graphene, a biological compound enzyme, an organic-inorganic flocculant, a flocculation aid, sodium hydrogen sulfite, coconut shell powder and sawdust. The sewage treatment agent disclosed by the invention ishigh in bioactive substance stability and high in activity, has good adsorption capacity, flocculation capacity and biodegradation capacity, is applied to river sewage and aquaculture wastewater treatment, can effectively remove most of heavy metals, complexes and organic matters in sewage, effectively reduce the nitrogen and phosphorus content in sewage, and purifiy water, and is efficient and environmentally friendly; and no secondary pollution is caused.

The invention relates to a method for producing cement clinker through utilization of a stainless steel cold-rolled dehydrated sludge ingredient. The method comprises that: stainless steel cold-rolled dehydrated sludge and other materials of a cement green stock are evenly mixed to prepare the cement green stock; the cement green stock comprises the following compositions in percentage by weight: 70 to 79 percent of limestone, 10 to 14 percent of clay, 1 to 8 percent of the stainless steel cold-rolled dehydrated sludge, 5.3 percent of coal ash, 0 to 3 percent of iron ore powder and 0 to 0.5 percent of gypsum; and the prepared cement green stock is sintered to form silicate cement clinker. The obtained cement clinker and a corresponding cement product have no essential difference with the prior silicate cement clinker and a cement product in composition and performance; the quality of the cement clinker and the corresponding cement product meets the index requirement of national corresponding product standard and can be used as a normal high-quality commodity; and the method effectively utilizes and processes industrial sludge containing harmful metal elements, achieves the effects of resource optimization and utilization and has remarkable environment-friendly benefit.

The invention provides a method for solidifying and cementing tannery sludge containing heavy metals by bacillus pasteurii. The method comprises the following steps: mixing a bacteria solution of thebacillus pasteurii with tannery sludge to be treated under an aerobic condition, adding urea and calcium chloride into the bacteria solution, and solidifying at 20 to 30 DEG C for 12 to 15 days to finish solidification treatment of the tannery sludge containing heavy metals; generating calcium carbonate precipitate in the presence of the urea and calcium chloride by urease-producing bacteria to fix and cement the heavy metals in the tannery sludge and achieve harmless treatment of industrial waste residue. The method provided by the invention has the advantages of simple process, convenience in operation, obvious effect, low treatment cost, wide application range, freeness from secondary pollution and the like. Through the method provided by the invention, solidification and cementation ofthe tannery sludge containing heavy metals are realized, obtained solidified heavy metals have small leaching amount and high compressive strength, and can be taken as a building material.

The invention discloses a glue-dispensing and laminating method for a touch display module. The method comprises the following steps: S1, providing a first substrate and a second substrate; S2, dispensing a glue on the laminating surface of the first substrate to form a rubber ring at the edge of the laminating surface of the first substrate; S3, pre-curing the glue ring; S4, dispensing the glue on the laminating surface of the first substrate and the inner surface formed by the rubber ring; S5, laminating the first substrate and the second substrate; S6, pre-curing the glue-dispensed area obtained in step S4; and S7, carrying out full-surface main curing on the laminated first substrate and second substrate to completely cure the glue between the first substrate and the second substrate.In the invention, the glue is dispensed on the laminating surface of the first substrate to form the rubber ring at the edge of the laminating surface of the first substrate, the rubber ring is pre-cured, the glue is dispensed on the inner surface formed by the rubber ring, and the glue flows in the area formed by the glue ring, so the method can effectively avoid the problem of glue spilling in the laminating process.

The invention discloses an anticorrosion fireproof coating for ships. The anticorrosion fireproof coating comprises, by weight, 63-79 parts of modified melamine resin, 36-62 parts of phenolic resin, 23-45 parts of ketone-aldehyde resin, 12-24 parts of hydroxyethyl cellulose, 4.5-8.7 parts of attapulgite, 6-12 parts of lignocellulose, 3.5-6.8 parts of calcium stearate, 2.3-4.5 parts of zinc stearate, 1.6-3.4 parts of sodium pyrophosphate, 2.1-4.3 parts of nanometer titanium dioxide, 1.2-3.6 parts of nanometer magnesium hydroxide, 1.1-3.4 parts of asbestos powder, 0.6-1.6 parts of meerschaum powder, 0.5-2.3 parts of sodium lauryl sulfate, 1.4-2.6 parts of silicon carbide, 2.3-4.5 parts of metakaolin, 1.3-2.6 parts of propylene glycol phenyl ether, 0.6-1.8 parts of powdered steatile, 2.3-4.5 parts of mica powder, 0.6-1.8 parts of zinc borate, 1.8-3.6 parts of montmorillonite, 1.6-6.8 parts of a curing agent, 1.2-2.6 parts of an antifoaming agent, 0.6-2.6 parts of a pigment and 52-68 parts of water. The anticorrosion fireproof coating has high hardness, good toughness and good anticorrosive and fireproof performances.

The invention discloses a production process and a system applicable to steel plate heat transfer printing. The production process and the system are applicable to continuous heat transfer printing operation of a single steel plate; a flat steel plate is fed into an operation system through a feeder to finish process steps through a washing and air-drying device, a powder spraying pretreatment device and a roll-type continuous heat transfer printing device in sequence. The process comprises the following steps: A, washing, degreasing and preprocessing the flat steel plate and air-drying the flat steel plate; B, carrying out powder spraying pretreatment on the upper surface of the flat steel plate, heating, curing and molding powder; and C, carrying out continuous heat transfer printing on the flat steel plate by using a heat transfer paper coil. Through the production process and the system, the continuous heat transfer printing of the single steel plate is realized; the continuous operation of the steel plate can be carried out; compared with a conventional platform type printing device, the production process and the system have the advantages that the transfer printing efficiency is greatly improved; the transfer printing effect is easily controlled; meanwhile, the flat steel plate does not need to be heated and cooled for multiple times; the energy is greatly saved.

The invention discloses an impact-resistant rust-proof heat-resistant coating for building steel. The impact-resistant rust-proof heat-resistant coating comprises, by weight parts, 74 parts of modified epoxy acrylate resin, 29 parts of chlorosulfonated polyethylene, 25 parts of melamine formaldehyde resin, 6 parts of methyl hydroxyethyl cellulose, 3 parts of sodium hexametaphosphate, 4 parts of nano-titanium dioxide, 3 parts of nano-magnesium hydroxide, 4 parts of organic bentonite, 2 parts of nano-sepiolite powder, 3 parts of diatomaceous earth, 4 parts of talc powder, 2 parts of modified attapulgite, 3 parts of titanate coupling agents, 3.5 parts of chlorinated paraffin, 9 parts of ethyl acetate, 4 parts of citroflex, 2 parts of zinc oxide, 4 parts of zinc borate, 5.5 parts of antimony trioxide, 2.5 parts of melamine phosphate, 4 parts of polypropylene glycol, 4 parts of curing agents, 6.5 parts of leveling agents, 7.5 parts of mould inhibitor, 6 parts of pigment and 42 parts of solvents. The impact-resistant rust-proof heat-resistant coating for building steel has good impact resistance, rust resistance and heat resistance.

The invention discloses a co-processing method for red mud and household garbage incineration fly ash. The co-processing method is characterized by comprising the following steps that (1) the red mud is ground into powder after being dried, 10wt%-15wt% of strong base is added, and calcined activation is carried out between 750 DEG C and 850 DEG C, and a heavy metal curing agent is obtained after cooling; (2) the heavy metal curing agent and the household garbage incineration fly ash are mixed to obtain mixture powder, the mass proportion of the heavy metal curing agent in the mixture powder ranges from 45% to 60%, and net paste is obtained by adding water to the mixture powder according to the water-ash ratio ranging from 0.4 to 0.6 and evenly mixing the water and the mixture powder; and (3) the net paste is cured for 14 to 28 days under the normal temperature and the normal pressure, and a garbage incineration fly ash composite solidified body is obtained. Through the method, the red mud and the household garbage incineration fly ash can be processed at the same time, the solidification effect is stable, the steps are simple and easy to implement, and the method is suitable for being popularized on a large scale.

The invention relates to an immobilizing and stabilizing agent for arsenic-contaminated soil and application thereof. The immobilizing and stabilizing agent comprises, by weight, 20 to 50 parts of a ferric salt, 30 to 40 parts of an aluminum salt, 5 to 10 parts of permanganate and 10 to 20 parts of calcium carbonate. The application of the immobilizing and stabilizing agent to arsenic-contaminated soil comprises the following steps: adding, by weight, 0.1 to 5 parts of the immobilizing and stabilizing agent and 20 to 30 parts of water into each 100 parts of the arsenic-contaminated soil; and carrying out uniform mixing under stirring and then carrying out standing and maintenance for more than 3 d. The immobilizing and stabilizing agent has simple composition, is convenient to prepare and is especially applicable to soil contaminated by high-concentration arsenic.

The invention provides a bottled water sealing device, comprising a body, wherein the outer side wall of the body is provided with a placement opening, the inner bottom wall of the body is provided with a lifting mechanism, and the inner top wall of the body is provided with a sealing mechanism. The bottled water sealing device can quickly solidify a sealing film at an opening of bottled water, saves time and labor compared with manual sealing, and has good sealing consistency, ensures the sealing quality of bottled water, and has high sealing efficiency.

The invention provides a treatment method for the surface of a bag cage framework and solves the technical problems that an existing treatment method is complex to operate as bag cages need to be gradually picked and placed manually and the like. The treatment method for the surface of the bag cage framework comprises the following steps of: a, welding and forming the bag cage framework and removing oxide skin at a welded junction; b, performing sand blasting on the bag cage framework; c, removing the oxide skin and rust of the bag cage framework through a sand-blasting machine; and d, uniformly spraying organic silicon powder to the surface of the bag cage framework through a spraying device, wherein the coating thickness is 150-180 [mu]m. The treatment method provided by the invention has the advantage of being simple to operate.

The invention discloses a stable arsenic acid iron slag solidifying method. The stable arsenic acid iron slag solidifying method comprises the steps that arsenic acid iron slag, an additive and a reducing agent are mixed evenly, geierite is obtained through forming and reduction, and stable solidifying treatment is completed. The method can be used for directly producing geierite, dissolution of arsenic in waste slag can be effectively prevented, bounce does not occur with time, the geierite obtained after stable solidifying is high in strength, large in specific gravity and good in hydrolytic resistance, can be used for balance weight, the environmental environment caused by arsenic-containing slag stockpiling is eliminated, and stable solidifying of arsenic slag is achieved.