42 results about "Expanded clay aggregate" patented technology

This invention discloses a heat-insulating and heat-resistant shotcrete and its preparation method. This heat-insulating and heat-resistant shotcrete is composed of cement, modified silica mortar, modified heat-insulating ceramsite, fine aggregate, water, admixtures, and accelerators. In this invention, high-strength shale ceramsite with surface modification using hydrogel is introduced as a heat-insulating filler, significantly improving the dispersion and stability of lightweight aggregate in the mortar. It also possesses strong water absorption and slow-release capabilities and surface sealing functions, enabling it to provide pore insulation and internal curing through water storage and release in high-temperature environments. The addition of modified silica mortar, which effectively improves the high-temperature stability and density of the mortar hydration products, comprehensively enhances the homogeneity of the shotcrete mixture, the heat insulation performance of the hardened body, and the strength development and durability under high-temperature conditions. This effectively improves tunnel chamber temperature and extends the service life of the shotcrete under high-temperature conditions. The heat-insulating and heat-resistant shotcrete technology has a clear working mechanism, simple production process, and excellent performance. It is suitable for large-scale production and is of great significance for the high-quality construction of underground projects such as tunnels and mines in high-temperature and high-temperature water inrush environments.

This invention discloses a high-strength ceramsite and method for co-pressing high-alumina coal gangue and red mud, belonging to the field of industrial solid waste resource utilization technology. This invention uses high-alumina coal gangue and red mud as the sole solid raw materials, without adding any chemical additives. The high-alumina coal gangue is ground to 125 μm and then mixed with red mud at a mass ratio of 50:50. Water is added for wetting, and the mixture is molded under a pressure of 6 MPa. After drying, it is pre-fired at 450℃ for 20 min, then sintered at 1150℃ with a heating rate of 7℃ / min, held for 20 min, and cooled in the furnace to obtain the final product. This invention utilizes the fluxing effect of Na₂O and Fe₂O₃ in red mud to effectively overcome the problems of high sintering temperature and difficult liquid phase formation caused by the high Al₂O₃ content in high-alumina coal gangue. Through the synergistic redox effect of carbonaceous components in high-alumina coal gangue and Fe₂O₃ in red mud, the timing of liquid phase formation and gas release is matched, forming a composite dense structure of crystal framework-glass phase bonding. The resulting ceramsite has a compressive strength of 228 MPa, a 1-hour water absorption rate of 3.19%, and an apparent density of 2.68 g / cm³. 3 This opens up new avenues for the high-value utilization of high-alumina coal gangue.

The application discloses a kind of regenerated spherical ceramsite sand and its preparation process, sand blasting process, and relates to the field of metal surface treatment.It includes the following steps: the recyclable abrasive is prepared by sintering process to regenerate spherical ceramsite sand;The recyclable abrasive is obtained by sorting method from sandblasting abrasive.Through multi-stage sand blasting method to workpiece sand blasting treatment, including the following contents: first stage, 0.6~0.8MPa pressure, 60~75° incident angle is carried out rough spraying;Second stage, 0.3~0.5MPa pressure, 75~85° incident angle is carried out fine spraying;Third stage 0.1~0.2MPa pressure, 85~90° incident angle is carried out fine adjustment.The application realizes the efficient resource utilization of waste abrasive by efficient recovery sorting and internal regeneration cycle, solves the environmental pollution problem caused by waste abrasive stockpiling and disposal;Multi-stage sand blasting process avoids excessive treatment and repeated operation, and the optimized abrasive combination and dynamic sand blasting parameters ensure the high uniformity and controllability of workpiece surface cleanliness and roughness.

This invention discloses a method for preparing ceramsite from municipal solid waste and industrial solid waste, and the ceramsite itself. The raw materials, by dry weight percentage, are: 30%–50% biogas residue, 10%–30% desulfurization ash, 15%–25% desilication sludge cake, and 15%–25% waste bleaching clay. This invention also provides a method for preparing ceramsite from municipal solid waste and industrial solid waste. By classifying municipal solid waste at the source, using biogas residue from fermentation as the main material, and co-processing desulfurization ash, desilication sludge cake, and waste bleaching clay, this method achieves multiple benefits, including waste-to-waste treatment, resource utilization, and safe disposal of hazardous waste, resulting in significant environmental, social, and economic benefits.

This invention provides a high-strength, low-shrinkage, high-performance concrete material for treating structural defects in wind turbines, relating to the field of concrete. The concrete comprises the following components in the following proportions: crushed stone: fiber-reinforced expanded clay: sand: cement: silica fume: fly ash: water: water-reducing agent = (2.01~2.1):(0.90~1):(2.35~2.45):1:(0.16~0.172):(0.21~0.23):(0.38~0.40):(0.0055~0.0058). The fiber-reinforced expanded clay includes expanded clay particles and first, second, and third fibers disposed within the expanded clay particles. The first, second, and third fibers extend from both ends of the expanded clay particles through the center of the particle, and are perpendicular to each other. This high-strength, low-shrinkage, high-performance concrete material for treating structural defects in wind turbines can effectively alleviate problems such as uneven fiber distribution, clumping, and unidirectional distribution, ensuring the effectiveness of the fibers and improving the compressive strength of the concrete.

This invention relates to a method for preparing modified coal gangue ceramsite aggregate and high-strength lightweight concrete. The preparation method includes: Step 1, mixing alkaline solution, water glass, and coal gangue ceramsite, and then soaking under pressure to obtain mixture A. The pH of the alkaline solution is ≥13. The pressurization process includes two stages: pressurization and constant pressure. Step 2, adding composite mineral powder to mixture A, and letting it stand for 48 hours to obtain mixture B. The composite mineral powder is a mixture of S95 mineral powder and S105 mineral powder in a certain mass ratio. Step 3, after mixture B is clarified, retaining the clarified liquid, filtering, and washing the precipitate to obtain solid particles, which are the modified coal gangue ceramsite aggregate. This modified coal gangue ceramsite can be used in high-strength lightweight concrete. This invention, by modifying coal gangue ceramsite, reduces the porosity of the ceramsite, thereby weakening its water absorption and storage capacity, and increasing its compressive strength and apparent density. It also solves the problem of ceramsite aggregate floating in concrete due to its low density.

The utility model discloses a giant buried vacuum heat preservation energy storage structure belongs to new energy storage technology field. The energy storage library is buried in the ground, and the gradient heat storage partition of the upper high temperature heat storage, the middle temperature heat storage and the caisson area low temperature heat storage that communicate is arranged in the inside of the library body, and the library wall is integrated steel clay particle bottom plate, vacuum heat preservation layer and layered delivery and distribution system, realizes the natural circulation of heat storage medium and the ultra -low energy consumption of annual average heat loss rate <1%. The utility model discloses as the large capacity, long -term cross -season energy storage peak shaving engineering system, can effectively overcome solar intermittency, air source heat pump low temperature performance attenuation and power grid peak shaving problem, replaces traditional coal heating mode, realizes clean heat energy " summer storage winter use + winter storage summer use " all -year -round recycling, and helps low -carbon transformation and climate management target realization.

The application relates to the technical field of building materials, in particular to a preparation method of composite functional ceramsite for electromagnetic wave absorption and concrete. The preparation method of the composite functional ceramsite for electromagnetic wave absorption comprises the following steps: pre-mixing a ceramsite base raw material and micron-grade rutile type titanium dioxide powder according to a preset ratio, then mechanically mixing to obtain uniform mixed powder, then adding water into the mixed powder and preparing green balls; subsequently, the green balls are placed in a sintering device and dried in an environment with a temperature of 105-150 DEG C, then sintering is carried out, and finally natural cooling is carried out to obtain the composite functional ceramsite; the mass of the rutile type titanium dioxide powder accounts for 0.5-20% of the total mass of the raw materials; and the ceramsite base raw material is at least one of clay, shale, fly ash and waste ceramic powder. The problem that the wave-absorbing material is not easy to be uniformly and stably mixed in the concrete in the concrete preparation process in the prior art is solved.

This invention discloses a volcanic slag-based non-fired core-shell structure ceramsite, its preparation method, and lightweight insulating concrete. The preparation of the non-fired core-shell structure ceramsite includes mixing volcanic slag powder, volcanic slag particles, waste EPS insulation board particles, electrolytic manganese slag, modified sludge powder, and water, and adding the mixture to a disc granulator to granulate core raw material balls with a particle size of 3-8 mm. The mixture is then fed into the disc granulator and coated with a mixture of the outer shell slurry and aluminum powder until the ball size reaches 5-10 mm. CO2 gas is introduced for curing to obtain volcanic slag-based non-fired core-shell structure ceramsite. This invention achieves functional zoning utilization of solid waste by preparing non-fired "core-shell structure" ceramsite, and, in conjunction with a special all-solid waste cementitious material, constructs a multi-scale, gradient porosity and functional system in concrete consisting of "lightweight core pores - dense outer shell layer - fine aggregate gradation pores - matrix micropores," thereby simultaneously addressing multiple objectives such as solid waste disposal, building energy conservation, and synergistic improvement of material performance.

A prefabricated lightweight aggregate fiber concrete sandwich insulated composite wall with a frame structure is disclosed. The composite wall consists of prefabricated lightweight aggregate fiber concrete sandwich insulated composite wall panels connected to the frame structure to form an integral whole. The top and bottom ends of the prefabricated lightweight sandwich insulated composite wall are connected to the crossbeams via sliding energy-dissipating nodes. Limiting devices are provided between the left and right sides of the prefabricated lightweight sandwich insulated composite wall and the frame columns, and filling material is also adhered between the left and right sides of the prefabricated lightweight sandwich insulated composite wall and the frame columns. The lightweight aggregate fiber concrete uses fine ceramsite as coarse aggregate to reduce the weight of the wall and decrease seismic forces. The addition of polypropylene fibers to the formula improves the ductility and crack resistance of the concrete. This invention features fire resistance, thermal insulation, earthquake resistance, and convenient connection, effectively improving the seismic performance and thermal insulation performance of buildings in high seismic intensity and cold regions, while reducing construction difficulty.

The application provides a gradient pore high-performance porous material formula based on industrial sludge and a preparation method, and the formula comprises industrial sludge, silico-aluminous / biomass auxiliary materials, synergistic gradient pore-forming agents, composite activators, crystal phase control agents and variable valence metal control agents. Through the compounding of the synergistic gradient pore-forming agents and the composite activators and in combination with step-by-step gradient heat treatment, a gradient pore network with micro-pores, mesopores and macropores is constructed, and the variable valence metal control agents are used to realize the structure of "dense outside and sparse inside", and high air porosity and high mechanical strength are simultaneously considered. By adjusting T_max and atmosphere, porous ceramics, ceramsite or porous carbon / activated carbon can be prepared. The application relates to the technical field of porous functional material preparation, and the formula and method have high comprehensive utilization rate of solid waste, stable solidification of heavy metals and environmental safety.

The present disclosure belongs to the field of ceramsite production, and particularly relates to a ceramsite rotary kiln tail heat recovery cooler; comprising a feeding port, the feeding port is communicated with a discharge port of the rotary kiln, a flow guide plate is arranged directly below an outlet of the feeding port, a wind distribution plate is arranged directly below the flow guide plate; a wind distribution hole is formed in the wind distribution plate, high-pressure wind flows out upwardly from the wind distribution hole; the high-pressure wind flowing out upwardly from the wind distribution hole forms an air flow channel to drive the ceramsite to move together with the air flow until the ceramsite moves to a discharge hopper, and the ceramsite is in a suspended state in the air flow channel; the ceramsite can be suspended and cooled, and the cooling effect is relatively better than that of a drum type; meanwhile, the heat generated after the ceramsite is cooled can be selectively reused in the rotary kiln by inputting fresh wind, so that the problem of oxygen supply deficiency in the rotary kiln and the problem of chaotic and unclear kiln observation and kiln observation obstruction caused by directly inputting the cooled air into the rotary kiln again are solved.

This invention relates to a lightweight aggregate asphalt concrete based on ceramsite from waste-to-energy incineration plant slag, belonging to the technical field of road engineering materials. This invention provides an asphalt concrete using ceramsite from power plant slag as lightweight aggregate. By optimizing the ceramsite sintering process and asphalt mix proportions, it achieves the dual goals of solid waste resource utilization and improved pavement material performance. The asphalt concrete comprises ceramsite from slag, modified asphalt, crushed stone, sand, mineral powder, and a coupling agent. This invention effectively utilizes waste slag, resulting in lightweight and high-strength concrete that can reduce structural weight by more than 20%, has low thermal conductivity, and is suitable for urban roads and lightweight bridge pavement projects, demonstrating significant environmental, economic, and social benefits.

This invention relates to the field of concrete, specifically to a high-strength thermally insulating concrete for precast components and its preparation method. The concrete, by weight, comprises: 320-380 parts of composite cementitious material, 180-220 parts of modified composite thermally insulating aggregate, 8-12 parts of composite admixture, and 150-170 parts of water. The composite cementitious material and modified ceramsite extensively utilize granulated blast furnace slag powder, steel slag powder, fly ash, and other industrial solid wastes, with solid waste accounting for over 30%. This reduces dependence on natural resources and achieves resource utilization of industrial waste. Compared to traditional cement-based concrete, carbon emissions are reduced by more than 40%, and energy consumption is reduced by more than 35%. Furthermore, the raw materials for each component are readily available, the preparation process requires no special equipment, and it can be adapted to existing precast component production lines, balancing environmental benefits with industrial application costs.

The application relates to the technical field of building materials, in particular to low-pumping-resistance lightweight aggregate concrete capable of preventing aggregate from floating and a preparation method thereof. The low-pumping-resistance lightweight aggregate concrete comprises aggregate and paste, the aggregate comprises coarse aggregate and fine aggregate, the coarse aggregate comprises gravel-type shale ceramsite, the paste comprises cementitious material, additive and water, the cementitious material is composed of cement and fly ash, and the ratio of the volume of the paste to the bulk volume of the aggregate is 1.05-1.10. The system effectively improves the flow degree and anti-segregation stability of the lightweight aggregate concrete mixture, guarantees excellent compactness of a structure after hardening, and significantly improves long-term mechanical strength and overall durability.

This utility model provides a ceramsite sand drying device, relating to the technical field of drying equipment. It includes a base, with a tilting discharge mechanism mounted on top of the base. The tilting discharge mechanism includes a support block, the lower end of which is fixedly connected to the upper end of the base. A first support is hinged to the upper end of the support block via a pin, and a drying cylinder is fixedly connected to the upper end of the first support. A second support is fixedly connected to the upper end of the base, and a hydraulic cylinder is hinged to the inner wall of the second support via a pin. Through the tilting discharge mechanism, the hydraulic cylinder drives the drying cylinder to tilt around the support block, cooperating with the discharge pipe to achieve rapid and stable discharge, solving the instability of traditional scraping discharge. The tilting mechanism, through a servo motor and bevel gear transmission, drives the rotating tube, rotating sleeve, scraper, and blades to work in tandem, bidirectionally agitating the material and improving heating uniformity. An arc-shaped electric heating tube, in conjunction with a dehumidification hole and a blower, accelerates moisture discharge, ensuring drying quality and greatly improving drying efficiency.

This invention discloses a ceramsite-loaded energy storage concrete with a loaded electrode material. The energy storage concrete includes an anode layer, a cathode layer, an electrolyte layer, a diaphragm, and a shell. The anode layer is nickel powder-loaded ceramsite energy storage concrete, the cathode layer is iron powder-loaded ceramsite energy storage concrete, the electrolyte layer is carbon black conductive concrete, the diaphragm is a polyethylene diaphragm, and the shell is made of concrete. The anode layer, cathode layer, electrolyte layer, and diaphragm are internally enclosed within the shell. An anode layer and a cathode layer are respectively disposed at both ends of the energy storage concrete, with the electrolyte layer and diaphragm positioned between the anode and cathode layers. This invention uses nickel powder-loaded ceramsite as the aggregate for the anode layer. Through pretreatment of the ceramsite and chemical plating, not only is the porosity of the ceramsite increased, but the particle size of the nickel powder can also be controlled at the nanometer scale to improve conductivity and specific surface area.

This invention discloses a method for producing ceramsite using steam preheating of a coal gangue mixture, belonging to the field of solid waste resource utilization and ceramsite preparation technology. It addresses the problem of uneven heating of the coal gangue mixture caused by existing hot air preheating methods, leading to cracking of the ceramsite green body, insufficient expansion, and residual carbon. The invention involves crushing, grinding, and sieving the coal gangue to obtain fine powder; dry mixing the fine coal gangue powder with water glass and sodium carboxymethyl cellulose to obtain a first mixture; introducing superheated steam into the first mixture and preheating it to 75℃-80℃ to obtain a second mixture; mixing the second mixture with silicon carbide and dolomite powder to obtain a third mixture; pelletizing to obtain green pellets; and calcining to obtain ceramsite. This invention utilizes highly efficient and uniform preheating with superheated steam, and the steam condensate participates in the hydrolysis of water glass to form a gel network, giving the green pellets high strength and plasticity. The ceramsite structure is uniform after calcination. It is mainly used in the fields of lightweight building aggregates, thermal insulation materials, or water treatment filter media.

This invention discloses a coalbed methane fracturing fluid system and a method for balanced propagation of multiple fractures, relating to the field of coalbed methane extraction technology. The coalbed methane fracturing fluid system includes a main fluid base as the transport medium, ceramic particles as proppant, coated heat-generating microcapsules, and a self-responsive diverting agent. The core material of the heat-generating microcapsules is a solid substance that releases heat upon contact with water. Its coating layer has temperature-responsive characteristics, softening and rupturing when a temperature threshold is reached, releasing heat to reduce the viscosity of the fracturing fluid. The self-responsive diverting agent has a core-shell structure; its outer shell hydrolyzes at specific temperatures and pH levels, causing the core elastomer to absorb water and expand. It can selectively and autonomously seal wide fractures according to the fracture width, guiding the fracturing fluid to narrower, less expanded fractures. The method includes: first, injecting a pre-fluid containing coated heat-generating microcapsules; then adding proppant and diverting agent and pumping sand-carrying fluid; finally, shutting in the well and controlling flowback. This optimizes fracture conductivity, promotes balanced propagation of multiple fractures, and improves extraction efficiency.

This utility model discloses a floating constructed wetland, including a floating platform and a water-blocking cover. Multiple first connecting lugs are fixedly connected to both sides of the floating platform, and multiple planting baskets are snapped onto the top of the floating platform. Multiple second connecting lugs are fixedly connected to the outer wall of one side of the water-blocking cover. Fastening bolts are threaded between adjacent pairs of first connecting lugs and between the second connecting lug and a first connecting lug of one of the floating platforms. Multiple water outlet pipes are sealed and inserted into one side of the water-blocking cover, and drain pipes are inserted into both ends of the water outlet pipes. A clamp is fitted at the connection between the drain pipe and the water outlet pipe. Multiple perforations are provided on the planting baskets, and a layer of expanded clay filler is laid inside the planting baskets. A layer of silt filler is laid on top of the expanded clay filler layer. This utility model allows rainwater runoff to pass over the floating constructed wetland and drain through the water outlet and drain pipes, thereby avoiding damage to the floating constructed wetland.

This invention belongs to the field of hazardous waste resource utilization and discloses a one-step smoldering method for preparing ceramsite from municipal solid waste incineration fly ash, comprising the following steps: (1) using bentonite as an additive containing silica-alumina minerals, mixing municipal solid waste incineration fly ash with biomass raw materials and bentonite to obtain a mixture; (2) granulating the mixture into powder to obtain raw ceramsite balls; (3) mixing the raw ceramsite with quartz sand and loading it into a smoldering device, and starting the heater of the smoldering device for smoldering heat treatment to obtain the finished ceramsite product. This invention uses biomass raw materials and bentonite in combination with municipal solid waste incineration fly ash to prepare raw ceramsite, which is then smoldered and sintered. By using smoldering technology, it realizes the preparation of safe ceramsite products from municipal solid waste incineration fly ash, greatly reducing the disposal cost of municipal solid waste incineration fly ash and solving the problem of huge energy consumption and high cost of traditional sintering process for fly ash disposal.

This application provides a rapid recovery device for buried materials in simulated human burial emergency rescue training. The device includes a slope, a storage chamber, a collection pool, and a conveyor belt. The slope has a simulated passageway. The storage chamber is located at the top of the slope and stores buried materials, including expanded clay and water. The storage chamber has a discharge port connected to the simulated passageway and equipped with an electric gate. The collection pool is located at the bottom of the slope and connected to the simulated passageway. The collection pool contains a simulated dummy and a drainage trough. The drainage trough has a filter plate at its opening and a drainage pump inside. The conveyor belt is located on one side of the slope, with its top end at the storage chamber and its bottom end at the collection pool. This application enables debris flow simulation and rescue training. After training, it allows for rapid recovery of buried materials, facilitating subsequent training, shortening the material recovery time, reducing training intervals, and increasing training frequency.

The application discloses a water-based self-suspension composite support material and a preparation method and application thereof, and belongs to the technical field of oil exploitation. The composite support material comprises aggregate and gel coated on the surface of the aggregate; the aggregate is quartz sand or ceramic granule, and the aggregate is subjected to surface treatment by amination before being coated; the gel comprises 10-20 parts of prepolymer A, 40-50 parts of acrylamide, 20-30 parts of acrylonitrile, 15-25 parts of 4-methacrylamidoglycollic acid, 1-5 parts of carbonamide, 5-15 parts of sodium hydroxide, 0.02-0.08 parts of EDTA-2Na, 1-3 parts of a crosslinking agent, 1-10 parts of a first initiator and 0.01-0.1 parts of sodium formate. The gel material on the surface of the support material can reduce adhesion even when being damp, thereby avoiding the existence of agglomerates, can be quickly and uniformly dispersed when being added into water, avoids causing plugging of formation pores or cracks and improves the continuity of fracturing construction.

This invention provides a low-carbon vegetated concrete, low-carbon vegetated concrete components, and their preparation method. Modified coal gangue ceramsite is used as coarse aggregate, and ordinary coal gangue ceramsite as fine aggregate. Two low-carbon cementitious systems are provided: cement-coal gangue micropowder and phosphogypsum-based. Both systems significantly reduce cement usage and carbon emissions. Combined with water-reducing agents, water-retaining agents, and slow-release nutrients, the components are prefabricated and cured according to standard procedures to produce low-carbon vegetated concrete components. The 28-day compressive strength of the low-carbon vegetated concrete components is 2.5–3 MPa, with a porosity of 30%–35%, exhibiting excellent erosion resistance. The high porosity of these components promotes root growth, with an initial survival rate ≥85%, enabling long-term ecological succession. This solution solves the problems of high carbon content, pore blockage, low solid waste utilization, and unstable on-site construction quality associated with traditional vegetated concrete. It is suitable for ecological restoration projects such as slopes, mines, and rivers, combining low-carbon environmental protection, engineering stability, and industrialization value.

This invention relates to a solid waste microcrystalline ceramic fracturing proppant, specifically to a solid waste microcrystalline ceramic fracturing proppant, its preparation method, and its application. The solid waste microcrystalline ceramic fracturing proppant is prepared from municipal sludge ash and waste bentonite; wherein the amount of waste bentonite in the preparation is ≥10wt%; the P2O5 content in the municipal sludge ash is 10-20wt%; and the waste bentonite refers to bentonite solid waste generated after bentonite is used as an adsorbent. The invention also describes the preparation method of this solid waste microcrystalline ceramic fracturing proppant and its application in oil and gas well fracturing. This invention utilizes waste bentonite as a viscosity enhancer, solving the problem of low viscosity in municipal sludge ash, reducing the dependence of artificial proppants on bauxite resources, saving natural resources, realizing comprehensive utilization of solid waste resources, and reducing product production costs.

This invention discloses an electromagnetic wave absorbing ceramsite based on solid waste and its preparation method, belonging to the field of composite functional environmental materials. The ceramsite is composed of four types of solid waste—municipal sludge, copper smelting slag, nickel smelting slag, and furnace slag—in specific mass percentages. The preparation method includes: grinding and mixing the raw materials, pelletizing them to obtain green pellets; drying and preheating the green pellets, then calcining and holding them at 1250-1350℃, and finally cooling them in the furnace. This invention utilizes the in-situ generation of magnetic absorbing phases from metal oxides in solid waste at high temperatures, combined with the resulting porous structure to synergistically dissipate electromagnetic waves, achieving "waste-to-waste treatment." The resulting ceramsite exhibits a reflection loss as low as -44dB in the 2-18GHz frequency band, possesses excellent lightweight properties and mechanical strength, and is simple in process, low in cost, and easy to industrialize.

This invention provides a method for inducing rooting in Vaccinium tissue culture seedlings based on expanded clay granules, comprising the following steps: S1, preparing an aminated expanded clay granule-endophytic bacteria fermentation composite carrier; S2, preparing an expanded clay granule-gel composite substrate containing the aminated expanded clay granule-endophytic bacteria fermentation composite carrier; S3, after pretreatment of Vaccinium adventitious buds, aseptically inoculating them into the expanded clay granule-gel composite substrate, and culturing them at 22-24℃ and a light intensity of 1500-2000 Lx for 35-45 days to induce rooting; S4, after hardening off for 3-5 days, transplanting them into a mixed substrate of peat moss and perlite for acclimatization and cultivation for 15-20 days. This invention, using an aminated expanded clay granule-endophytic bacteria fermentation composite carrier and an expanded clay granule-gel composite substrate to induce rooting, can promote root primordia differentiation, stabilize the root growth microenvironment, standardize culture conditions to ensure stable rooting, and harden off for seedlings to enhance their stress resistance and adaptability, effectively improving the rooting quality and transplant survival rate of Vaccinium tissue culture seedlings, providing technical support for their efficient seedling cultivation.

The application relates to the technical field of building technology, and discloses a building waste fiber mixing reinforced solidifying agent aggregate paving process, which comprises the following steps: S1, bottom load layer construction: mixing II-grade building waste recycled aggregate, natural coarse aggregate, polypropylene fiber, slag powder and a bottom layer solidifying agent, uniformly stirring and then paving, and adopting a multi-field coupling compactor to first roll in an impact mode; S2, middle layer transition layer construction: mixing I-grade building waste recycled aggregate, fly ash ceramsite, modified basalt fiber and a middle layer solidifying agent, uniformly stirring and then paving, and statically pressing with a road roller; S3, surface functional layer construction: mixing asphalt recycled aggregate, cement, sand, nano calcium carbonate, water and basalt short-cut fiber, uniformly stirring and then paving, statically pressing with a road roller, and heating with a microwave curing device.