264 results about "Basaltic rock" patented technology

The invention relates to the field of digital core modeling, in particular to a stomatal basalt three-dimensional digital core reconstruction method, which comprises the following steps: extracting target characteristic parameters from CT (Computed Tomography) scanning gray volume data of a stomatal basalt sample, the target characteristic parameters comprising porosity, cluster number, cluster size statistics, spatial uniformity index and simplified compactness; generating an initial three-dimensional digital core model according to the target characteristic parameters; carrying out iterative optimization on the initial three-dimensional digital core model by utilizing a self-adaptive Markov chain-Monte Carlo algorithm so as to enable cluster features of the optimized three-dimensional digital core model to approach target feature parameters; and performing curvature smoothing post-processing on the optimized three-dimensional digital core model to obtain the pore basalt three-dimensional digital core model. The model not only is highly matched with real pore basalt in the aspect of macroscopic statistical characteristics, but also shows natural and smooth curved surface characteristics in the aspect of microscopic pore boundary morphology, and provides a reliable digital basis for subsequent rock physical property analysis.

The invention discloses a special aggregate for high-strength UHPC (Ultra High Performance Concrete) as well as a preparation method and application thereof, and relates to the technical field of nano modification. According to the aggregate, high-strength basalt or quartz sand is used as a matrix, continuous graded particles are formed through a multi-stage crushing process, and the particle morphology and size distribution are optimized. The surface of the UHPC aggregate is modified by adopting a nano composite system, and the interface bonding performance of the aggregate and a UHPC matrix is remarkably improved by forming a gradient nano composite coating. And technological parameters are optimized, so that the uniformity and the performance stability of the coating are ensured. The aggregate can significantly improve the compressive strength, breaking strength and durability of UHPC. In the prefabricated bridge wet joint, the aggregate shows excellent construction performance and rapid maintenance characteristics, and can effectively shorten the construction period and prolong the service life of the structure. According to the invention, a high-performance special aggregate is provided for UHPC through a nano modification technology, and the development of ultra-high performance concrete in engineering application is promoted.

The invention relates to the technical field of basalt fiber concrete, in particular to a durability analysis method of basalt fiber concrete under response of multiple natural factors, which improves the service life and stability of a concrete structure by comprehensively evaluating the influence of environmental factors such as temperature, humidity, chemical erosion and freeze-thaw cycle on the durability of concrete. The method comprises the following steps: firstly, determining an analysis target and an environmental condition, designing a concrete mix proportion index (CI) considering a basalt fiber mixing amount, a water-binder ratio, an aggregate ratio and an additive ratio, further preparing a concrete test piece, establishing a concrete test piece preparation quality index (QI), evaluating mechanical properties and durability, and constructing a performance evaluation index (API). The invention provides a systematic and scientific analysis tool for durability evaluation and life prediction of basalt fiber concrete, and has important engineering application value and market popularization prospect.

The invention belongs to the technical field of composite materials, and discloses a basalt-based composite nanomaterial as well as a preparation method and application thereof. According to the invention, ZIF-67 in MOF is innovatively loaded on basalt nanosheets, so that not only can the dispersity and interfacial compatibility of basalt be improved and the sheet layers be prevented from being agglomerated in the coating, but also micropores possibly existing among the nanosheets can be blocked through a porous structure of the basalt, and the shielding effect and the penetration resistance of the whole coating are improved. In addition, the introduction of ZIF-67 endows the composite material with more functional regulation and control possibilities, such as ion capture, intelligent slow release and the like, so that the protection performance of the coating in a complex environment is further enhanced. Compared with a traditional filler, the composite structure has the advantages of being controllable in cost, excellent in performance, environmentally friendly and the like, and a new thought is provided for functional design of a water-borne epoxy resin anticorrosive coating.

The invention discloses a micro-fluidic chip for basalt CO2 mineralization reaction and a preparation method, the micro-fluidic chip comprises a bottom glass plate, a middle epoxy resin layer and a top glass plate, the preparation process comprises the following steps: installing a metal injection / outpouring pipeline on the bottom glass plate drilled with corresponding bolt holes, and forming an accommodating cavity by using a sealing ring; preparing and screening basalt particles according to the particle size distribution of a target reservoir, and filling the accommodating cavity with the basalt particles; quantitatively analyzing a particle arrangement structure based on a digital image processing technology, ensuring that the geometric similarity between the particle arrangement structure and a target reservoir is greater than or equal to 90%, and if the particle arrangement structure does not reach the standard, refilling; after the verification is passed, covering a top glass plate and pressing by using a bolt; and finally, pouring epoxy resin and sealing to form the micro-fluidic chip. The chip can bear high temperature and high pressure, supports visual observation and quantitative analysis of CO2 mineralization reaction in a deep geological environment, has high-precision pore reproduction, long-period sealing performance and high preparation efficiency, and is suitable for interdisciplinary research in the fields of energy environment and geophysics.

The invention discloses a basalt supercritical CO2 mineralization reaction real-time test system and a quantitative analysis method, and the system comprises a basalt micro-fluidic chip which employs a multilayer composite sealing structure to simulate a reservoir fracture environment; the high-temperature and high-pressure reaction device regulates and controls the temperature and pressure conditions of the reduction reservoir through temperature and pressure coordination; the temperature regulation and control system, the fluid pressurization system, the metering system and the image acquisition system are integrated, so that the real-time dynamic monitoring of the mineralization reaction of supercritical CO2 and basalt is realized. Based on a deep learning algorithm and a seepage-reaction coupling model, mineral precipitation morphology and fracture structure evolution laws are automatically analyzed, and dynamic association between seepage characteristics and reaction kinetics is quantitatively represented. According to the method, the experiment authenticity, the observation resolution and the analysis efficiency are remarkably improved, and reliable experiment support is provided for optimization of the carbon sequestration technology.

The invention relates to the technical field of basalt scales, and discloses a modified basalt scale material. The invention discloses a modified basalt flake material, which comprises 70-85% of basalt flake, 5-8% of amino silane, 3-5% of nanometer titanium dioxide, 0.5-2% of self-repairing monomer, 3-5% of microcapsule material, 2-4% of environmental response material, 1-2% of nanometer silicon particle and 1-4% of chemical sensing molecule, and the invention also provides a preparation method of the modified basalt flake material. The preparation method comprises the following steps: S1, carrying out high-temperature melting treatment on basalt scales, wherein the melting temperature is 1350-1450 DEG C; through the composite coating of the microcapsule material and the epoxy acrylate, the coating can be automatically repaired after being damaged. Compared with a traditional coating self-repairing capability scheme, the material provided by the invention can quickly activate a repairing monomer when cracks occur, has a quick and continuous self-repairing function, and effectively avoids the problems that the coating repairing process is slow and the effect is short.

The invention discloses a track kiln for preparing high-strength basalt aggregate from cyanidation tailings, and relates to the technical field of solid waste recycling, the track kiln comprises a base, a track and a kiln car, the track is fixedly mounted at the top of the base, and the kiln car is internally provided with a self-propelled structure and can travel along the track; the device further comprises a side frame fixedly connected to the top of the kiln car, hollow shafts are symmetrically and fixedly connected to the inner side of the side frame, and the sides, close to each other, of the two hollow shafts are fixedly connected with center gears. Raw materials are conveyed in the form of arranging the tunnel kiln, the raw materials are contained in the trays in the conveying process, the materials move in a static mode along with the kiln car, no relative rolling exists between particles, large friction does not exist between the raw materials and between the raw materials and the conveying system, and particle shape damage caused by friction is reduced; the problems that irregular-structure raw material particles outside the raw materials are crushed or rubbed flat due to mutual friction of the raw materials, irregular forms cannot be reserved, and the mechanical property of the aggregate is affected are solved.

The invention relates to a basalt reinforced high-density polyethylene composite material as well as a preparation method and application thereof. The basalt reinforced high-density polyethylene composite material comprises high-density polyethylene, a modified basalt reinforced filler and a compatibilizer, the basalt reinforced filler comprises modified basalt fibers and modified basalt scales. The modified basalt fibers and the modified basalt scales are added into the high-density polyethylene, the modified basalt fibers construct a three-dimensional supporting network to bear main loads, and the sheet structures of the modified basalt scales can prevent the material from deforming in the two-dimensional direction; the basalt reinforced high-density polyethylene composite material and the preparation method thereof have the advantages that the mechanical strength of the basalt reinforced high-density polyethylene composite material is enhanced synergistically, the prepared basalt reinforced high-density polyethylene composite material has the advantages of excellent mechanical strength, good wear resistance and corrosion resistance and the like, and the long-term use requirement of the material in a sea wave high-frequency friction environment is met.

The invention relates to the technical field of rock wool boards, and provides a noise-reducing, sound-absorbing and heat-insulating rock wool board and a preparation method thereof. The noise-reducing, sound-absorbing and heat-insulating rock wool board is prepared from the following raw materials in parts by weight: 65 to 75 parts of basalt, 18 to 22 parts of dolomite, 12 to 18 parts of activated expanded perlite, 8 to 12 parts of cellulose nanofiber, 6 to 8 parts of stearic acid modified carbon nanotube, 5 to 8 parts of glass bead, 6 to 10 parts of binder and 45 to 55 parts of water. According to the noise-reducing, sound-absorbing and heat-insulating rock wool board provided by the invention, the raw material ratio and the preparation process are optimized, and the activated expanded perlite, the stearic acid modified nanotubes and the binder containing silicon dioxide are cooperatively used, so that the optimal noise reduction, tensile strength and hydrophobicity are realized.

The invention discloses simulated lunar soil for engineering and a preparation process thereof, the simulated lunar soil has a multilayer structure design, and comprises a basic mineral structure layer, a surface activity control layer and a simulated space environment effect layer. The basic mineral structure layer is prepared from modified olivine, titanium-rich basalt, rare earth doped plagioclase, calcium phosphate minerals, nano iron particles and vitreous minerals according to a specific proportion; the surface activity control layer adopts an atomic layer deposition technology to form a nano oxide layer on the surface of the mineral particles; the simulated space environment effect layer is formed through low-pressure helium ion bombardment and ultraviolet irradiation. The preparation process comprises the steps of intelligent graded crushing, mineral phase change control, surface modification and activation treatment, multi-parameter synchronous regulation and control and the like. The simulated lunar soil can be produced in a customized mode according to different lunar area characteristics, the matching degree with real lunar soil physical characteristics exceeds 90%, the ground testing precision of lunar exploration equipment is remarkably improved, and technical support is provided for lunar on-site resource utilization and lunar base construction.

The invention relates to the technical field of space exploration and lunar soil experiments, in particular to a melting centrifugal type mineral particle morphology remodeling device and a lunar soil glass ball preparation method. The device comprises a mineral protolith high-temperature melting system, a mineral melting slurry conveying system, a centrifugal mineral particle size control system and a mineral particle cooling and morphology remodeling system. The preparation method of the lunar soil glass ball comprises the following steps: adding basalt mineral powder and mineral melting additive powder into a melting centrifugal mineral particle morphology remodeling device to obtain simulated lunar soil glass balls with different particle sizes, and performing morphology transformation on the simulated lunar soil glass balls with different particle sizes by using an ion beam gun. And the lunar soil glass ball state of the impact melting history is reduced. According to the method, high-precision engineering mass production of components, morphology and mechanical properties of the lunar soil glass balls is realized through a fusion centrifugal forming and ion beam surface control composite process, and the problem of soil mechanical behavior deviation caused by morphology distortion of existing simulated lunar soil is solved.

The invention relates to the technical field of geological sequestration, in particular to a geological sequestration reaction simulation method and device based on a basalt layer, and the method comprises the steps: obtaining a basalt layer sample and geological parameters of a target area; the method comprises the following steps: placing basalt layer samples in a reaction device layer by layer, arranging a plurality of horizontal porous injection pipelines between layers, and loading triaxial stress to simulate underground rock stratum constraint of a target area; based on geological parameters, constructing an axial temperature gradient and a water confining pressure gradient in the reaction device; injecting a target gas fluid into the basalt layer sample by using a horizontal porous injection pipeline according to a preset sealing angle; monitoring the seepage parameters of the target gas fluid and the relevant parameters of the basalt layer sample in real time, and evaluating the carbonization rate at different preset sealing angles. The objective of the invention is to solve the problem of experimental simulation effectiveness under the geological sequestration horizontal injection condition of the basalt layer, realize geological sequestration efficiency evaluation and provide reliable data for improving the geological sequestration efficiency.

The invention discloses a Mars soil simulant performance evaluation method based on spectrum-mechanics combined characterization, which comprises the following steps: acquiring surface soil chemical components and physical and mechanical reference data of a target Mars area, taking basalt, magnetite and hematite as raw materials, solving the optimal mass ratio by adopting an optimization algorithm, and preparing a sample. Then, systematic spectrum characterization is carried out on the sample, and components and spectrum characteristic data of the sample are obtained; and meanwhile, carrying out physical and mechanical property test on the sample to obtain mechanical property data. Further, spectrum and component data serve as independent variables, mechanical data serve as dependent variables, an associated data set is constructed, the influence weight is analyzed, and a component-structure-performance quantitative relation is established. And finally, based on all the data and the internal association thereof, calculating the comprehensive similarity between the simulant and the real Mars soil, and generating a comprehensive performance evaluation report. According to the method, multi-dimensional and standardized quantitative evaluation of chemical, mineral and mechanical properties of the Mars soil simulants is realized.

The invention discloses a carbon sequestration efficiency influence factor determination method, and the method comprises the steps: determining a plurality of rock samples to be processed; determining respective carbon sequestration amounts of the plurality of rock samples; wherein the carbon sequestration amount refers to the amount of carbon dioxide stored in the rock sample after the rock sample is subjected to carbon sequestration treatment; based on the respective carbon sequestration amounts of the plurality of rock samples, determining carbon sequestration efficiencies respectively corresponding to the plurality of rock samples; and analyzing the carbon sequestration efficiency corresponding to the plurality of rock samples, and determining the carbon sequestration efficiency influence factor of the rock. By analyzing the carbon sequestration efficiency, a key bottleneck limiting the carbon sequestration capacity can be found out, the mineralization sequestration efficiency of basalt is improved, and a scientific basis is provided for optimizing geological sequestration conditions.

The invention belongs to the technical field of rock wool thermal insulation materials, and particularly relates to a high-strength thermal insulation rock wool board and a preparation method thereof. The high-strength thermal insulation rock wool board is prepared from the following raw materials in parts by weight: 65 to 72 parts of basalt, 10 to 15 parts of dolomite, 8 to 12 parts of iron ore, 3 to 8 parts of bauxite, 2 to 5 parts of limestone, 10 to 15 parts of aerogel powder and 4 to 7 parts of binder. The aerogel powder is prepared by the following preparation processes: mixing tetraethoxysilane, ethanol and water, adjusting the pH value to 2.5-4, and stirring under a heating condition to obtain silicon dioxide sol; the preparation method comprises the following steps: dispersing black phosphorene in water to obtain black phosphorene dispersion liquid; and mixing a black phosphorene dispersion liquid with the silicon dioxide sol to form a mixed solution, adjusting the pH value of the mixed solution to 8-10, standing, aging, freeze-drying and grinding to obtain the aerogel powder. The high-strength heat-preservation rock wool board has the advantages of low heat conductivity, low water absorption and excellent mechanical strength.

The invention relates to the technical field of wharf structures, and discloses a wharf structure reinforced by basalt fiberboards, which comprises a pile foundation, a pile cap mounted at the top of the pile foundation, a prefabricated cross beam mounted at the top of the pile cap and a panel mounted at the top of the cross beam, an insertion groove for insertion of the insertion plate is prefabricated in the top of the pile cap, a first prefabricated hole is prefabricated in the insertion plate, second prefabricated holes are prefabricated in the two sides of the insertion groove, a split bolt is arranged in the first prefabricated hole, and the two ends of the split bolt are located in the two second prefabricated holes correspondingly and are in threaded connection with limiting nuts correspondingly; basalt fiber boards are prefabricated at the bottoms of the cross beams and abut against the pile caps. The stability of the wharf structure can be improved.

The invention belongs to the anti-seismic field of underground engineering, and particularly discloses a pressure self-balancing tunnel lining surrounding rock composite damping structure and a pressure self-balancing method.The structure comprises a composite damping layer, and the composite damping layer comprises a surrounding rock contact layer close to the side of surrounding rock and a lining contact layer close to the side of a lining; the surrounding rock contact layer is made of a high-damping rubber-basalt fiber composite material and is pre-pressed and embedded into a surrounding rock crack; the lining contact layer is made of a composite viscoelastic material in which flexible capsules are uniformly embedded; the flexible capsule body is of an upper-lower double-layer structure composed of an upper capsule body and a lower capsule body, and the upper capsule body and the lower capsule body are filled with non-Newtonian fluid. A storage bag is arranged on one side of the lower-layer bag body and is separated from the other part of the lower-layer bag body; and one-way hydraulic valves are arranged between the upper-layer bag body and the lower-layer bag body and between the storage bag and the lower-layer bag body. The force balance between the surrounding rock and the lining can be adjusted according to the pressure designed in advance, and deformation coordination among the surrounding rock, the buffer layer and the lining is facilitated.

The invention discloses a wear-resistant basalt fiber reinforced composite board and a preparation method thereof, and relates to the technical field of composite board materials. The wear-resistant basalt fiber reinforced composite plate comprises a latticed wear-resistant basalt fiber reinforced surface layer, a planar wear-resistant basalt fiber reinforced surface layer, a basalt fiber reinforced negative Poisson's ratio energy consumption surface layer and a wear-resistant lining plate which are fixedly connected in sequence. Wherein the latticed wear-resistant basalt fiber reinforced surface layer and the planar wear-resistant basalt fiber reinforced surface layer are both made of wear-resistant composite materials; the wear-resistant composite material comprises the following raw materials in parts by mass: 30-40 parts of epoxy resin, 2-5 parts of basalt fiber, 50-60 parts of wear-resistant particles, 8-12 parts of a solid lubricant and 15-20 parts of a curing agent.

The invention relates to a method for firing calcium sulphoaluminate-containing cement by using ferrous metallurgy dust, and belongs to the technical field of Portland cement preparation. According to the method, limestone slag, siliceous slag, basalt slag and ferrous metallurgy dust are used as raw materials, the ZnO content (0.10%-0.25%) and mineral composition (KH is equal to 0.88-0.92, SM is equal to 1.7-2.7, and IM is equal to 0.8-1.7) in the raw materials are controlled, and clinker is fired at the low temperature of 950-1300 DEG C. Through the synergistic effect of ZnO, CaF and sulfide in the dust, the firing temperature of the clinker is reduced, the absorption of CaO is promoted, the coexistence of CS and CA6S minerals is realized, and the obtained cement is high in early strength, slight in expansion, high in erosion resistance and capable of being constructed in winter.

A method comprising (a) obtaining rock fines comprising at least one of basalt, metabasalt, diabase, rhyolite, andesite, meta-andesite, granite, graphite, talc, silica, sand, perlite, or a combination thereof, (b) obtaining a binder, (c) obtaining a material comprising at least one of Ca, Mg, S, B, Cl, Cu, Fe, Mn, Mo, Ni, Zn, or a combination thereof, and (d) combining ingredients comprising the rock fines, the binder, and the material.

The utility model discloses an adjusting device for basalt aggregate grain shape control, which comprises a V-selection air inlet, a feed inlet and a fan, the feed inlet is arranged at the upper end of the V-selection air inlet, the fan is arranged on the side wall of the V-selection air inlet and is communicated with the V-selection air inlet, a scattering plate and a grading plate are arranged on the inner wall of the V-selection air inlet, and the V-selection air inlet is communicated with the V-selection air inlet. The grading plate is arranged on the side, away from the draught fan, of the scattering plate, a medium sand collecting cone is arranged on the side, close to the grading plate, of the V-selection air inlet, an arc-shaped flow guide plate is arranged at the upper end of the medium sand collecting cone, a cage-shaped rotating device is rotationally connected into the arc-shaped flow guide plate, and a fine sand collecting cone is arranged at the lower end of the arc-shaped flow guide plate. A cyclone dust collector is arranged on the side wall of the arc-shaped flow guide plate, the upper end of the arc-shaped flow guide plate is rotationally connected with a transmission shaft, and a belt wheel is arranged at the upper end of the transmission shaft. The utility model belongs to the technical field of basalt aggregate grain shape adjustment, and particularly relates to an adjusting device for basalt aggregate grain shape control.

The invention relates to a basalt composite material, a preparation method and application, a reinforced fiber body in the basalt composite material is formed by sequentially stacking 1-2 layers of glass fiber cloth, a glass fiber mat and two layers of stacked basalt fiber cloth from bottom to top, and the environmental protection performance of the basalt composite material can be improved. According to the basalt composite material disclosed by the invention, the reinforced fiber body is distributed in the resin matrix to obtain the basalt composite material, so that on one hand, the distortion resistance and interlayer bonding capacity of the resin matrix can be improved, and the overall strength of the basalt composite material is further improved; on the other hand, the glass fiber cloth and the basalt fiber cloth have different textures and colors, the upper surface and the lower surface of the basalt composite material can present different textures and colors, and then the ornamental value of the basalt composite material is improved; and on the other hand, the mass of the obtained basalt composite material is small. In addition, the automobile decorating part prepared from the basalt composite material has the advantages of light weight, high strength, environmental protection and high ornamental value.

The present invention pertains to the fields of cosmetology, nanotechnology, materials engineering, and related sciences. More specifically, the invention relates to a premix for infrared radiation protection comprising rock nanoparticles, to a process for preparing a composition, and to a composition for enhanced infrared radiation protection. Additionally, it discloses a method for blocking infrared radiation and the use of rock nanoparticles for blocking infrared radiation. The premix and the composition of the invention comprise rock nanoparticles, particularly basalt rock nanoparticles, plutonic rock nanoparticles, or combinations thereof, and provide advantageous and surprising effects.

The present invention discloses a fracturing and sealing device and method based on supercritical CO2 injection into basalt. The fracturing and sealing device includes: a test body module, including a basalt sample; an injection module, which injects the required gas, liquid or gas-liquid mixture into the test body module; a pressure loading module, which is connected to the test body and applies axial pressure and / or confining pressure to the test body module; wherein the injection module and the pressure loading module are configured to achieve fracturing of the basalt sample, as well as the radial permeability of the basalt sample after fracturing and the sealing of CO2 by the basalt sample after fracturing. It can overcome the limitations of the single function of traditional indoor test devices and achieve a comprehensive understanding of the fracturing and sealing process under complex formation environmental conditions; it is also convenient for analyzing the formation law of basalt fracture networks, evaluating the permeability of fracture networks, and comparing the feasibility and effectiveness of basalt mineralization and CO2 storage under different injection modes.

The utility model relates to a steel body type flat-top drill bit special for drilling basalt. The steel body type flat-top drill bit comprises a supporting body. The plurality of flat-top drill bits are arranged and are all fixed on the supporting body; and the slag discharging holes are formed in the supporting body. And when the plurality of flat-top drill bits rotate along with the supporting body, the plurality of flat-top drill bits can perform multi-point cutting with a to-be-drilled surface, so that plane drilling is realized. According to the steel body type flat-topped drill bit special for drilling basalt, by arranging the multiple outer flat-topped drill bits and the multiple inner flat-topped drill bits, it can be guaranteed that drilled holes are always cylindrical, secondary milling or countersinking is not needed, the working procedures are saved, and meanwhile it can be guaranteed that the flatness of the hole bottoms is good; the supporting body and the plurality of flat-topped drill bits are made of steel, so that the using hardness of the flat-topped drill bits can be guaranteed, the using cost of the steel is low, and the flat-topped drill bits made of the steel are high in practicability.

The invention discloses an offshore floating large-scale photovoltaic power generation device which comprises basalt floating plates, solar cell panels are arranged on the upper sides of the basalt floating plates through mounting seats, first positioning holes and second positioning holes are formed in the basalt floating plates, transverse positioning anchor ropes transversely penetrate through the first positioning holes of the basalt floating plates in an inserted mode, and the second positioning holes of the basalt floating plates are inserted into the second positioning holes of the basalt floating plates in an inserted mode. According to the invention, the solar cell panels are arranged on the upper sides of the basalt floating plates through the mounting seats, and the basalt plates have high compressive strength, high wear resistance and high corrosion resistance, so that the solar cell panels are arranged on the upper sides of the basalt floating plates through the mounting seats; and drainage slopes are arranged on the four sides of the mounting base, so that water on the upper portion of the solar cell panel can be rapidly drained, and the situation that water accumulated on the upper surface of the solar cell panel affects the power generation efficiency is effectively avoided.

A structural shell comprises a basalt fibre-reinforced material, wherein the basalt fibre-reinforced material comprises a polymer material, the polymer material being capable of at least partially the

The invention relates to the technical field of physical similar simulation, and particularly provides a physical simulation method for a lunar lava tube structure forming process, which comprises the following steps of: mixing a thermoplastic material and a condensation additive to prepare a simulation melt meeting a basalt lava rheology and thermodynamics similarity criterion; the low gravity effect, the high vacuum environment and the radiation cooling condition in the lunar environment are reproduced through an inclined flow channel and a thermal vacuum cavity, and the injection rate, the flow channel inclination angle and the target environment temperature of the simulated melt are determined by accurately matching dimensionless parameters such as the Peclet number, the dimension temperature and the Rayleigh number; under the condition, controlled flow and surface solidification crusting of the melt are simulated, and finally a cavity structure model is formed, so that physical research on the lunar lava tube structure forming process is realized. According to the method, the lava flow dynamic crusting and cavity forming process in the extreme lunar environment can be accurately reproduced, and a quantitative experimental data basis is provided for formation mechanism research and engineering application of the lunar lava tube.

Basalt selectively adsorbs organic toxic materials, such as dioxins, furans, polychlorinated biphenyls (PCBs), bis(2-ethylhexyl)phthalate, arsenic, mercury, chromium, copper, nickel, zinc, cadmium, lead, and the like, from substances such as sediment, which contains water and the toxic materials.