52results about How to "Improve curing ability" patented technology

The invention discloses a curing agent for filling iron tailings and a preparation method thereof and belongs to the technical field of mine safety. The curing agent comprise the following components in parts by mass: 0-70 parts of fly ash, 10-80 parts of superfine mineral slag powder, 0-70 parts of superfine steel slag powder, 0-20 parts of an alkaline activator, 0-20 parts of an sulfate activator, 0.1-1 part of a foam stabilizer and 2-5 parts of a microcapsule in which aluminum powder is used as a core material. The preparation method of the curing agent comprises the steps of firstly weighting fly ash, superfine mineral slag powder, superfine steel slag powder, alkaline activator, sulfate activator and foam stabilizer according to the blending ratio of the components of the curing agent, adding all the components in a stirrer, quickly stirring for 5-15 minutes, adding microcapsule in which aluminum powder is used as a core material and slowly stirring for 2-5 minutes to obtain the curing agent for filling iron tailings. The curing agent for filling iron tailings provided by the invention has strong curing capability and is simple and controllable in use and operation.

The present invention relates to a flame-resistant and heat-resistant copper clad laminate preparation method, which comprises: adopting nanometer silica foam, dodecyl benzenesulfonic acid, bismuth nitrate pentahydrate, methyl trichlorosilane and polyoxyethylene sorbitan monooleate as a raw materials to obtain a filler; adopting DOPO, a bisphenol A cyanate ester monomer, a phenol compound, a m-nitrobenzene sulfonic acid pyridine salt, 2,3-epoxy cyclopentyl cyclopentyl ether and dimethyl phosphonate as raw materials to obtain a resin prepolymer; adding the filler to o-phthalic acid diglycidyl este to obtain an active filler; mixing the resin prepolymer and an indole compound, and then adding the active filler and isomeric undecanol polyoxyethylene ether phosphate potassium salt to obtain a composite system; and carrying out hot pressing molding on the composite system, a reinforced material and metal foil to obtain the flame-resistant and heat-resistant copper clad laminate, wherein the flame-resistant and heat-resistant copper clad laminate has characteristics of excellent flame retardant property and excellent heat resistance, and meets the development applications of the flame-resistant and heat-resistant copper clad laminate.

The invention relates to a method for preparing a geopolymer gelled material from heavy metal gypsum, belonging to the field of environmental protection and material engineering. According to the method, heavy metal gypsum is adopted as a main calcium source, silicon sources and aluminum sources including fly ash, coal gangues, mineral waste residues, steel slag and the like are added to prepare geopolymer slurry under the action of an alkaline excitant solution, and then the geopolymer gelled material is prepared through the processes of molding, normal temperature sealed maintenance, high-temperature sealed maintenance and the like. The 28d compression strength of the geopolymer gelled material prepared by the method disclosed by the invention can reach 48MPa, and the heavy metal leaching concentration limiting value of a finished product is lower than a national standard. The geopolymer gelled material can be used as a building material, such as replacing a natural aggregate in concrete or serving as a roadbed aggregate. The method achieves treatment of wastes with processes of wastes against one another and is simple in process and low in cost, so that the problems of recycling of calcium sulfate and heavy metal pollution are solved, and the stockpiling problem of industrial residues including the fly ash, coal gangues, mineral waste residues, steel slag and the like is solved at the same time.

The invention relates to a soil stabilizer. Formaldehyde condensate of sulfonated acetone and polyacrylamide, which are used as main organic substance components, are blended with two or three of calcium chloride, calcium sulfate, sodium sulfate, calcium lignosulphonate and sodium lignosulfonate, and one or two of water glass and triethanolamine to prepare the soil stabilizer. The soil stabilizer has high adaptability and strong stabilization effect for various kinds of silt and soil, and the stabilized soil has outstanding durability. The components of the soil stabilizer can greatly enhance the properties of the soil stabilizer and lower the cost of the soil stabilizer to some extent, and can be widely used in road construction engineering, hydraulic engineering and the like.

The invention provides an oilfield development plugging agent which is prepared from unsaturated resin emulsion, a curing agent and a coupling agent as raw materials, the unsaturated resin emulsion is formed by mixing 196 unsaturated polyester resin, an emulsifier and water, and the coupling agent is gamma-aminopropyl triethoxysilane. The plugging agent is suitable for the formation at the temperature of 30-90 DEG C, and the resin solution can be self curing at the temperature, and can be used for the permanent sealing of large holes or large cracks which do not need plugging releasing. The oilfield development plugging agent has strong plugging ability, salt resistance, wide applicable scope, long validity period and low cost. Compared with the blocking agent in other profile control systems, the oilfield development plugging agent has obvious advantages on plugging of oil reservoirs with large holes or large cracks, and is in line with the needs of oil field sites.

The invention provides a method for preparing mushroom culturing material. The mushroom culturing material comprises the following compositions by weight percentage: 35 to 55 percent of cotton seed hulls, 25 to 45 percent of rice bran, 10 to 16 percent of bran, 1.5 to 2 percent of bean cakes, 0.5 to 1 percent of lees, 0.5 to 1 percent of peanut shells, 0.5 to 1 percent of gypsum, 1.5 to 2 percent of sorghum husks, 0.1 to 0.3 percent of Sanmate, 0.1 to 0.3 percent of nitrogen phospho potash complex fertilizer, 0.1 to 0.3 percent of oxygenation powder, and 0.5 to 0.8 percent of corn meal. The method comprises the following steps: combining the cotton seed hulls, the rice bran, the bran and the bean cakes together according to the proportion; pouring the mixture into a crushing mill to be crushed into particles with about 120 meshes; adding the lees, the peanut shells, the gypsum, the sorghum husks, the Sanmate, the nitrogen phsopho potash complex fertilizer, the oxygenation powder and the corn meal into the particles according to the proportion after the particles are taken out; and pouring the mixture into a mixer to be mixed for 60 minutes and taken out, adding water according to the proportion of 1:1.3-1:1.5 into the mixture to be evenly piled and fermented for 6 hours to produce a qualified culturing material.

The invention provides a method for preparing hedenbergite glass ceramics by using lead slag, and belongs to the fields of environmental protection and resource recycling. According to the method, the lead slag is used as a main raw material, waste glass and coal ash are added and serve as composition adjustment raw materials, chromic oxide, nickel oxide and pyrolusite are added and serve as coloring agents, the main raw materials and the composition adjustment raw materials are respectively dried, broken and subjected to composition detection, and the main raw materials, the composition adjustment raw materials and the coloring agent are added according to a stoichiometric ratio, mixed, melted, cast, annealed, nucleated and crystallized so as to obtain the hedenbergite glass ceramics with different colors. The prepared glass ceramics meet the standards of industrial glass ceramics and building glass ceramics; and the concentration of heavy metal ions in the prepared glass ceramics is far lower than the limiting value of the leaching concentration of heavy metals, which is stated in Identification standards for hazardous wastes-Identification for extraction toxicity (GB5085.3-2007) of National Standard of the People's Republic of China. The method turns waste into wealth, is simple in technology and low in cost and solves the problem of stockpiling of industrial waste residues such as lead slag and coal ash.

The invention relates to the field of tailing resource comprehensive utilization and waste innocent treatment, and provides a composite cement curing agent used for rapidly curing waste slag (gold slag for short) obtained after subjecting gold ore tailings to iron separation. A cured gold slag product is prepared by fully mixing 85 wt% of gold tailing gold slag and 15 wt% of the composite cement curing agent (comprising an alkaline activator, a sulfate activator, and the like) according to a certain ratio through a material mixer, adding water having a certain mass, fully stirring, adding the mixture after fully stirring into a mold, molding, and curing a molded sample in air for 1 d. The unconfined compression strength when a curing period is 1 d of the cured gold slag prepared by using the curing agent is 1.0 MPa or above, unconfined compression strength when a curing period is 3 d of the cured gold slag is 2.0 MPa or above, and unconfined compression strength when a curing period is 7 d of the cured gold slag is 2.5 MPa or above. The curing agent is simple in formula, low in using amount, good in catalytic effects, and rapid in curing, and the early strength of a cured product is high. Unification of tailing treatment and comprehensive utilization is achieved.

The invention provides a method for stabilizing a subgrade by adopting a soil stabilizing agent. The method comprises the steps of mixing materials comprising a strong oxidant, a dispersing agent, an ionic polymer activating agent and a stabilizing catalyst together to prepare the soil stabilizing agent; preparing the selected subgrade material according to the soil with the plasticity index of 7-35; diluting the soil stabilizing agent in water in a volume ratio of (1:100)-(1:200), and simultaneously adding 3-20 of carbide slag, 3-12 of lime or 2-8 of cement to the subgrade material according to the earthwork weight ratio to be mixed; spraying and compacting: computing the volume ratio (generally 0.016-0.02%) of the prepared soil stabilizing spray solution according to the earth volume of compacted soil, converting the volume ratio to weight ratio when adding the usage amount, spraying the soil stabilizing agent with density of 1.7-1.75g / cm<3> into the soil used for the subgrade, and forming the subgrade through compaction. The method has the advantages that harmful substances can not be produced; the method is simple in construction technology, is convenient to operate, is favorable for reducing the construction amount, is high in soil stabilizing speed, has good effects, conduces to greatly shortening the construction period, is more suitable for the characteristics of local soil properties, and has more obvious stabilizing effects.

The invention relates to a preparation method for a flame-retardant heat-resistant antenna radome base material. The preparation method comprises the following steps: preparing a filler with the average grain size of 180 nanometers by taking nano silicon dioxide foam, dodecylbenzene sulfonic acid, bismuth nitrate pentahydrate and methyl trichlorosilane as raw materials; preparing a resin prepolymer by taking DOPO, a bisphenol A cyanate ester monomer, a phenolic compound, 1,3,5-triglycidyl -S-triazinetrione, bisphenol A epoxy resin and diaminodiphenyl ether as raw materials; mixing the resin prepolymer with maleic anhydride; then sequentially adding poly(methylsilsesquioxane) and the filler; then adding isomeric undecanol polyoxyethylene ether phosphate potassium salt and glass beads to obtain a composite system; then injecting the composite system into a die coated with a release agent, carrying out mold pressing under a vacuum condition, and finally turning off a power supply and naturally cooling; and releasing the die to obtain the flame-retardant heat-resistant antenna radome base material. The flame-retardant heat-resistant antenna radome base material has excellent flame retardance and heat resistance, and the development application of the flame-retardant heat-resistant antenna radome base material is satisfied.

The invention belongs to the technical field of comprehensive utilization of solid waste, in particular to a treatment method for stabilizing and reducing municipal sludge, which comprises the following detail steps of: reacting condensed sludge, which is produced by a sewage treatment plant and of which the water content is higher than 80 percent, with waterborne polyurethane dispersion emulsion for 2 to 24 hours at the temperature of 60 to 100 DEG C, and centrifuging the reactant for 15 to 60 minutes at a rotation speed of 3,000 to 10,000 revolutions per minute to obtain stabilized and reduced dehydrated sludge. The treatment method provided by the invention adopts two steps for treatment, namely blending modification of the waterborne polyurethane dispersion emulsion and dehydration of a centrifugal dehydrator; the water content of the treated sludge is low (less than or equal to 60 percent); heavy metal ions in the sludge can be effectively removed; treatment cost is saved; harmless quality is greatly improved; the yield of the sludge can be reduced by over 40 percent; and the treatment method has the advantages of simple equipment, low cost, no secondary pollution, simple and convenient operation and the like, and is suitable for the treatment of the sludge in a city and town domestic sewage plant.

The invention relates to the technical field of chemical engineering preparations, and concretely relates to an energy-saving and environmental-protection soil solidifying agent. The soil solidifying agent comprises, by weight, 10-15% of lime, 10-20% of fly ash, 1-5% of water glass, 0.5-3% of calcium lignosulphonate, 0.1-5% of sodium lignosulfonate, 5-10% of gypsum, 10-30% of ordinary Portland cement and 5-12% of sodium carbonate. The purpose of the invention is to provide the energy-saving and environmental-protection soil solidifying agent with the advantages of ideal performances and low cost.

The invention relates to the field of coatings, and discloses an environment-friendly diatom ooze decorative wall material. The environment-friendly diatom ooze decorative wall material is prepared from components in parts by weight as follows: 20-40 parts of diatomite, 2-35 parts of an adhesive, 6-8 parts of marble quartzite powder, 6-8 parts of attapulgite powder, 8-10 parts of starch ether, 10-25 parts of quartz sand, 6-8 parts of fluorine-containing siloxane and 3-5 parts of zeolite-loaded nanometer titania. The energy-saving and environment-friendly diatom ooze decorative wall material contains no harmful substances and has the advantages of good cohesiveness, high formaldehyde removal efficiency, high antibacterial activity and deodorization performance and excellent self-cleaning and purification durability, and the performance index meets requirements specified in the JC / T2177-2013 standard.

A solid microbial inoculum for remediating Cd in farmland soil, comprising: curtobacterium luteum, cupriavidus necator, sphingomonas parapaucimobilis, cellulosimicrobium cellulans, azotobacter sp., saccharomyces sp., streptomyces sp. and pseudomonas sp. Acetic acid solubility of Cd, Cu and Zn in soil that is remediated by the solid microbial inoculum disclosed by the invention can be decreased significantly.

The invention discloses a drilling rock harmless treatment and resource utilization technology and device. The drilling rock harmless treatment and resource utilization technology includes the steps: a taking step: extracting preset-volume to-be-treated rock debris in a rock debris storage pool, and taking the volume of the preset-volume to-be-treated rock debris extracted at each time as a volume unit; a crushing step: crushing the to-be-treated rock debris taken in the taking step into powder particles; a curing step: respectively adding the preset volume parts of a curing agent, cement and stones into the powder to-be-treated rock debris, and blending evenly into a mixture; and a forming step: pressing the mixture formed in the curing step into preset-volume building blocks. In the way, a solid component after solid-liquid separation forms the mixture through the technology and through the action of the preset-proportion curing agent and other raw materials, the mixture is pressed into the building blocks, and the transformation of solid slurry into a building material is achieved; the technology has strong curing treatment ability, and the resource utilization degree and the environmental protection performance are improved.

The invention discloses a comprehensive utilization method of high-iron high-calcium high-silicon waste magnesite and boron mud, which comprises the following steps: calcining waste magnesite in a rotary kiln, pulverizing light calcined magnesia powder, and leaching iron and calcium with an oxalic acid and glycerol alcohol solution to obtain calcium oxalate and complex iron oxalate; and adding magnesium sulfate and boric sludge, and carrying out stirring to prepare a magnesium building material product. According to the invention, high-iron high-calcium high-silicon waste magnesite and boron mud are used as raw materials, iron and calcium impurities are leached out through oxalic acid, glycerol alcohol and oxalic acid are subjected to graft polymerization under the hydration heat release condition of magnesium oxysulfate cement, hydroxyl in a formed polymer reacts with boron to solidify boron, then the boron is further solidified through a magnesian cementing material, secondary utilization of solid waste is achieved, and the method is environmentally friendly. The preparation method is simple, the light calcined magnesia powder prepared by using the rotary kiln is small in grain size, high in activity, relatively low in cost, safe, non-toxic, low in leaching harmful impurities and large in dosage, and is used for building material products, and the prepared building material product is relatively high in whiteness and good in performance.

The invention relates to the technical field of building materials, in particular to a reinforcing steel bar rust-prevention material applicable to the interior of concrete and application of the reinforcing steel bar rust-prevention material.The reinforcing steel bar rust-prevention material is formed by mixing solid powder and mixed liquid in proportion and can directly act on the surfaces of reinforcing steel bars inside the concrete without affecting cohesiveness between the reinforcing steel bars and the concrete.The reinforcing steel bar rust-prevention material is simple in application method, more direct in rust-prevention effect and longer in anti-rust effect, and meanwhile the material has the advantages of being great in chloridion curing capability and great in surface alkality, so that the material is greater in anti-rust capability.

The present invention process of microporous carbon hydroxyapatite with natural rock phosphate as material includes dissolving and eliminating impurity; compounding homogeneous Ca, P, urea and EDTA system; and foam inducing and homogeneous precipitation to obtain microporous carbon hydroxyapatite with pore size of 0.5-10 micron. The product has excellent organic and biological compatibity, ion exchange property, etc. as well as powerful protein separating, solid alkali catalysis, medicine carrying, radioactive substance solidifying and other capacity. It may be used in porous biological material, protein separation, chromatography, catalyst, catalyst carrier, medicine carrier, radioactive substance treatment and other fields.

The invention relates to a soil stabilizer. Formaldehyde condensate of sulfonated acetone and polyacrylamide, which are used as main organic substance components, are blended with two or three of calcium chloride, calcium sulfate, sodium sulfate, calcium lignosulphonate and sodium lignosulfonate, and one or two of water glass and triethanolamine to prepare the soil stabilizer. The soil stabilizerhas high adaptability and strong stabilization effect for various kinds of silt and soil, and the stabilized soil has outstanding durability. The components of the soil stabilizer can greatly enhancethe properties of the soil stabilizer and lower the cost of the soil stabilizer to some extent, and can be widely used in road construction engineering, hydraulic engineering and the like.

The invention discloses a curing agent for a dry iron tailing stack and a preparation method of the curing agent, belonging to the technical field of mine safety. The curing agent is composed of curing agent clinker and an excitant, wherein the curing agent clinker comprises the basic components in parts by mass: 46-50 parts of CaO, 12-18 parts of MgO, 20-25 parts of SiO2, 8-12 parts of Al2O3 and 1-2 parts of mineralizing agent. The preparation method comprises the steps of firstly, grinding a CaO and MgO enriched raw material, an Al2O3 and SiO2 enriched raw material and the mineralizing agent; then, feeding the ground powder into a balling dish to prepare curing agent clinker powder; and finally, adding excitant powder into the curing agent clinker powder, stirring and uniformly mixing to obtain the curing agent for the dry iron tailing stack. The curing agent prepared by the invention is strong in curing capacity, relatively low in raw material cost and favorable in large-scale popularization and application prospects.

The invention provides light-cured silicon carbide ceramic slurry and a preparation method and application thereof, and the preparation method comprises the following steps: (1) carrying out modification treatment on silicon carbide powder to obtain modified silicon carbide powder coated with silicon dioxide on the surface; and (2) mixing the modified silicon carbide powder, photosensitive resin and a dispersing agent, and carrying out ball milling treatment to obtain the light-cured silicon carbide ceramic slurry, wherein the mass fraction of the modified silicon carbide powder in the light-cured silicon carbide ceramic slurry is 70-72%. The prepared photocuring silicon carbide ceramic slurry is good in fluidity and high in curing capacity, 3D printing of a high-solid-content silicon carbide ceramic green body is achieved, and a guarantee is provided for the mechanical property of the silicon carbide ceramic green body after degreasing and sintering. The method realizes printing of silicon carbide with a complex structure, and has the advantages of high forming precision, high speed and capability of manufacturing a silicon carbide ceramic component with a complex shape without a mold.

The invention discloses a preparation method of an amino-functional bisphenol A epoxy resin. The method includes the steps of 1, weighting a certain amount of bisphenol A, adding a solvent under the protection of nitrogen, evenly stirring, adding thionyl chloride, evenly stirring, adjusting the temperature to 60-80 DEG C, stirring for 5-8 h, filtering to obtain a primary product, washing the primary product with deionized water until the primary product is neutral, and drying for use; 2, evenly mixing the primary product prepared in step 1 with an amine compound, flowing back at 80-100 DEG C for 6-10 h, filtering to obtain a secondary product, washing the secondary product until the secondary product is neutral, and drying for use; 3, adding the secondary product prepared in step 2 into a reaction vessel, adding epoxy chloropropane to react at 50-70 DEG C for 5-8 h, and filtering and washing to obtain a final product. The epoxy resin prepared by the preparation method includes not only an active epoxy group, but also an amino-functional group, and can react with different curing agents, which enlarges the application scope of the epoxy resin.

The invention provides a special high-strength wear-resistant impact-resistant epoxy repair adhesive for factory floors, and a preparation method and a use method thereof. The epoxy repair adhesive comprises the following components by mass: a component A which is composed of 30-40 parts of bisphenol A epoxy resin, 60-70 parts of quartz powder, 1-3 parts of a leveling agent, 1-3 parts of a dispersant, 1-3 parts of an antifoaming agent and 1-3 parts of white carbon black, and a component B which is composed of 20-40 parts of a modified amine curing agent, 70-80 parts of quartz powder, 1-3 parts of a leveling agent, 1-3 parts of a dispersing agent, 1-3 parts of an antifoaming agent, 1-3 parts of white carbon black, 1-3 parts of a coupling agent, 1-3 parts of a curing accelerator and 1-3 parts of an auxiliary agent. Compared with the prior art, the epoxy repair adhesive has the advantages that the quartz powder, the white carbon black, the curing accelerator and the auxiliary agent are used in a formula, so the epoxy repair adhesive has very strong adhesion capability, relatively high corrosion resistance, water resistance, wear resistance and curing effect, good weather resistance and environment resistance, and capability of repairing floors for a long time.

The invention provides an antistatic quick-drying water-based UV coating for a wood-plastic product and a preparation method thereof. The coating comprises the following components in parts by weight:20-30 parts of waterborne polyurethane acrylate resin, 10-30 parts of waterborne epoxy acrylate resin, 2-4 parts of photocatalytic supported sepiolite fibers, 1.5-2 parts of diatom ooze, 0.5-1 part of sodium humate, 1.5-3 parts of photoinitiator, 1-3 parts of auxiliaries and 8-12 parts of water. Reasonable raw material selection and process improvement are carried out, part of the raw materials are subjected to proper self-made pretreatment, the dispersion homogenizing effect among the components is effectively improved, the raw material reaction activity is high, the microcosmic cross-linking binding property is good, the prepared coating film has excellent antistatic, anticorrosive, wear-resistant, waterproof, antibacterial, antifouling and weather-resistant properties and the like, thecuring effect is high, the coating adhesive force is remarkably improved, and the VOC content is remarkably reduced, environmental friendliness is achieved, and market application and popularizationare achieved.

The invention discloses a curing agent for filling iron tailings and a preparation method thereof and belongs to the technical field of mine safety. The curing agent comprise the following components in parts by mass: 0-70 parts of fly ash, 10-80 parts of superfine mineral slag powder, 0-70 parts of superfine steel slag powder, 0-20 parts of an alkaline activator, 0-20 parts of an sulfate activator, 0.1-1 part of a foam stabilizer and 2-5 parts of a microcapsule in which aluminum powder is used as a core material. The preparation method of the curing agent comprises the steps of firstly weighting fly ash, superfine mineral slag powder, superfine steel slag powder, alkaline activator, sulfate activator and foam stabilizer according to the blending ratio of the components of the curing agent, adding all the components in a stirrer, quickly stirring for 5-15 minutes, adding microcapsule in which aluminum powder is used as a core material and slowly stirring for 2-5 minutes to obtain the curing agent for filling iron tailings. The curing agent for filling iron tailings provided by the invention has strong curing capability and is simple and controllable in use and operation.

The invention provides an oilfield development plugging agent which is prepared from unsaturated resin emulsion, a curing agent and a coupling agent as raw materials, the unsaturated resin emulsion is formed by mixing 196 unsaturated polyester resin, an emulsifier and water, and the coupling agent is gamma-aminopropyl triethoxysilane. The plugging agent is suitable for the formation at the temperature of 30-90 DEG C, and the resin solution can be self curing at the temperature, and can be used for the permanent sealing of large holes or large cracks which do not need plugging releasing. The oilfield development plugging agent has strong plugging ability, salt resistance, wide applicable scope, long validity period and low cost. Compared with the blocking agent in other profile control systems, the oilfield development plugging agent has obvious advantages on plugging of oil reservoirs with large holes or large cracks, and is in line with the needs of oil field sites.

The invention discloses a pre-treatment method for preparing ceramsites from heavy metal contaminated soil before entering a kiln. The pre-treatment method includes first step: impurity removing, screening and crushing are carried out; second step: calcium oxide is added to the soil, the water is added, and even stirring is carried out; third step: the obtained mixture is fed into a ball mill, andclay minerals are added at the same time; fourth step: heavy metal leaching concentration is determined, and if the leaching concentration does not exceed a concentration limit of type III surface water pollutants, the pre-treatment process is over; fifth step: if the leaching concentration is still higher than the concentration limit of the type III surface water pollutants, the process is returned to the first step, after the first step and the second step treatment are repeated in sequence, then the obtained object is directly send to a ceramsite kiln in a non-granulation mode, and high-temperature roasting is carried out according to the operation procedure of the ceramsite kiln; and six step: the third step is repeated, and the pre-treatment is completed. The pre-treatment method aims to effectively reduce the heavy metal release risk of ceramsite products, and the problem of heavy metal excessive release of the high and low heavy metal polluted soil ceramsites under the currentsituation is solved.

The invention provides a trapezoidal spray-seeding method for an easy-to-slip rock slope by using a cotton soil matrix. The trapezoidal spray-seeding method comprises the following steps that the slope height and the slope angle of the easy-to-slip rock slope are measured and calculated, and trapezoidal grading is carried out; honeycomb-shaped flexible templates with different heights are arranged according to different trapezoidal partitions; a fiber mixed mud matrix is sprayed by a high-temperature spraying gun to form a waterproof matrix layer on the surface; and a cotton soil spraying gun is adopted to spray the cotton soil matrix to form a cotton soil matrix layer. According to the trapezoidal spray-seeding method for the easy-to-slip rock slope by using the cotton soil matrix, trapezoidal partition spray-seeding is carried out on the easy-to-slip rock slope, and the economic cost and the environmental cost of soil dressing are reduced according to the geotropism of plant root growth; a honeycomb-shaped flexible template is adopted to prevent rainwater from being retained and disturbing a side slope, and the construction requirement for a side slope drainage ditch is lowered; the high-temperature spraying gun and the cotton soil spraying gun are adopted for combined spray seeding, a double-layer mixed matrix of a waterproof matrix and the cotton soil matrix is formed, better porosity, air permeability and water retention are achieved, and the repaired easy-to-slip rock slope is high in anti-scouring capacity, loose in matrix, high in stability coefficient and low in landslide risk.

The invention discloses a solid waste-based sulphoaluminate cement solidified base material of medium and low radioactive nuclear waste and a preparation method thereof. The composition of the raw material is as follows: the mass ratio of garbage fly ash, aluminum ash and desulfurized gypsum is 25-45 ; 27-33; 20-40; the moisture content of the dried material is less than 5% by mass, and the particle size of the material after raw powder proportioning and grinding is less than 8 μm. The prepared cured substrate has a strong curing effect on nuclear waste, and the leaching rate of Cs in the cured body after 42 days is 2.0-2.5×10 ‑ 7 cm / d, the leaching fraction is 1.0~1.2×10 ‑4 cm, are far lower than the 4×10 required by GB14569.1‑2011 ‑3 cm / d and 0.26cm.

The invention provides a glue sealing system and method for an optical fiber sensing probe, and solves the problems that, in an existing optical fiber sensing probe sealing mode, the bonding positionis easy to deviate, the product reliability is low, the thermal curing time is long and the efficiency is low. The system comprises a mounting platform, a spectrum monitoring assembly, an optical fiber clamping assembly, a curing light source for realizing pre-curing of a semiconductor wafer and an optical fiber, and an alignment lens for monitoring the positions of the semiconductor wafer and theoptical fiber, the spectrum monitoring assembly comprises a light source driving circuit, a light source module, an optical fiber coupler, a spectrograph and a computer, the light source driving circuit is connected with the input end of the light source module, the output end of the light source module is connected with the input end of the optical fiber coupler, and two outputs of the optical fiber coupler are connected with the upper-end optical fiber holder, the spectrograph, the spectrograph and the computer respectively; and the optical fiber clamping assembly comprises a three-dimensional adjusting support arranged on the installation platform, a fixing frame arranged on the three-dimensional adjusting support, a rotating tool arranged on the fixing frame and N lower end optical fiber clamps arranged on the rotating tool.