333 results about "Basaltic rock" patented technology

The invention discloses a fracturing sealing device and method based on injecting supercritical CO2 into basalt. The fracturing and sealing device comprises: a test main body module comprising a basalt sample; the injection module is used for injecting required gas, liquid or gas-liquid mixture into the test main body module; the pressure loading module is communicated with the test main body and is used for applying axial pressure and / or confining pressure to the test main body module; wherein the injection module and the pressure loading module are configured to realize the fracturing of the basalt sample, the radial permeability of the fractured basalt sample and the storage of CO2 by the fractured basalt sample. The use limitation that a traditional indoor test device is single in function can be overcome, and comprehensive understanding of the fracturing sealing process under the complex stratum environment condition can be achieved; and the formation rule of the crack net caused by basalt can be analyzed conveniently, the permeability of the crack net can be evaluated, and the feasibility and effectiveness of mineralizing and sealing CO2 by basalt in different injection modes can be compared.

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 relates to the technical field of basalt concrete, in particular to basalt ultra-high performance concrete and a preparation method thereof, the preparation method comprises a raw material screening method and a preparation method, and the raw material screening comprises the steps of (1) selecting ultra-high performance concrete water, (2) selecting a cementing material, (3) selecting aggregate and (4) selecting fiber. The preparation method comprises the following steps: (1) the use amount of water should meet the design specification of the ultra-high performance concrete, and the water-binder ratio should be controlled within 0.25; and (2) according to the particle sizes of the cementing material and the sand, the dosage of each component is calculated on the basis of the closest packing theory, and the sand-cement ratio is controlled within 1.1-1.4. By adopting the method, in-situ utilization of the raw materials of the ultra-high-performance concrete can be realized in volcanic diagenetic regions, and design, preparation and application of the basalt ultra-high-performance concrete can be realized in practical engineering.

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 a preparation method of simulated lunar soil suitable for resource utilization, which comprises the following steps: S1, crushing a basalt sample and carrying out primary magnetic separation to obtain a primary magnetic separation sample; s2, the primary magnetic separation sample is ground, the ground primary magnetic separation sample is subjected to a heating hydrogen reduction reaction, and a hydrogen reduction product is obtained; s3, carrying out secondary magnetic separation on the hydrogen reduction product, and drying the iron-removed sample to obtain a secondary magnetic separation sample for later use; s4, the ilmenite powder and reducing gas are mixed to react, an ilmenite mixture containing elemental iron is obtained, and then the ilmenite mixture is sintered and smashed to obtain ilmenite particles; s5, mixing the secondary magnetic separation sample obtained in the step S4 and the ilmenite particles obtained in the step S5 according to a preset mass ratio, performing tabletting treatment, and sintering in an inert atmosphere to obtain a mixed sintering sample; and S6, crushing the mixed sintering sample to obtain the simulated lunar soil particles. The simulated lunar soil conforms to the actual symbiotic combination rule of lunar soil minerals.

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 discloses a large-size anti-falling rock plate adhesive and a preparation method thereof. The rock plate adhesive comprises the following raw materials in parts by weight: 50-60 parts of Portland cement, 35-40 parts of river sand with the particle size of 0.2 mm, 5-8 parts of silicon powder, 6-9 parts of an anti-falling functional agent, 5-8 parts of a basalt fiber agent based on coal gangue blending, 4-7 parts of an yttrium blender, 2-5 parts of a water reducing agent and 40-50 parts of water. The Portland cement and the river sand with the particle size of 0.2 mm are used as base materials, the water reducing agent is added to serve as a functional additive, the added silicon powder has an active adding effect, and the added anti-falling functional agent and the basalt fiber based on coal gangue blending are matched and coordinated, so that the performance effect of a system is further enhanced.

The invention discloses a green low-carbon road construction technical system based on a basalt product and a construction mode. The method comprises the following steps: (1) early-stage preparation work: roadbed excavation and material preparation; (2) paving plain soil, and spreading water, cement, basalt solid waste and an alkali-activated material; (3) mixing and curing a roadbed layer; (4) laying thin slurry layers; (5) pavement layer materials are laid, and a cement concrete pavement with basalt fiber reinforcements is formed; (6) installing a pavement intelligent temperature control system; and (7) maintaining the pavement layer. According to the green low-carbon road construction technical system based on the basalt product, the basalt solid waste is adopted as an improved soil roadbed material, the cement consumption and cost are saved, and the carbon emission in the road construction process is effectively reduced.

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 method for building a reservoir through rapid mineralization of carbon dioxide in basalt and an evaluation method, and relates to the field of energy storage and utilization, and the method comprises the following steps: S1, carrying out multi-point coring on a target area, and obtaining the distribution condition of a basalt reservoir through the lithology distribution condition of rock cores; s2, testing the age, the porosity and the permeability of the basalt reservoir, and evaluating the connectivity of the basalt reservoir; s3, well drilling, casing running and well cementation operation are conducted on the target basalt reservoir, and temperature and pressure sensors are arranged along a shaft; s4, a ground CO2-water mixing pump station is arranged near the injection well, and water in the basalt reservoir and CO2 gas are fully mixed to be saturated to form saturated CO2 formation water; the construction method of the basalt underground storage cavern based on mineral carbon sequestration is low in carbon leakage risk and has good economic benefits, and efficient and safe carbon sequestration and low-cost underground storage cavern construction are achieved.

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 provides a basalt roadbed material, a basalt roadbed and a construction method of the basalt roadbed, and belongs to the technical field of road bases. The basalt roadbed material is mainly prepared from basalt macadam, modified basalt fiber, epoxy resin, a curing agent and other raw materials with different particle size ratios according to a specific ratio. Through cooperation of the raw materials, the roadbed material is high in compressive strength, good in crack resistance, strong in water resistance and saline-alkaline resistance, and good in chemical corrosion resistance and freeze thawing resistance, so that the formed basalt roadbed has excellent bearing capacity, stability and durability. The invention further provides a construction method of the basalt roadbed, and the construction method can ensure that roadbed materials are mixed and reacted according to an expected direction, so that better performance is obtained, and the stability, high strength and durability of the roadbed are ensured.

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 method for preparing high-temperature ceramic colored sand for colored stone metal tiles, comprising the following steps: raw material selection, raw material mixing, grinding treatment, high-temperature melting, cooling and particle forming, screening treatment, surface coating and color control. By selecting kaolin, feldspar, basalt sand and titanium dioxide as main raw materials, and melting treatment under high temperature conditions of 1200°C-1400°C, colored sand particles with ceramic texture are prepared. Metal oxide colorants such as iron oxide, copper oxide, cobalt oxide or manganese oxide are added during the melting process to achieve high-temperature fixation of multiple colors. After screening, the particle size is controlled at 18-36 mesh, and the surface is coated with an environmentally friendly anti-ultraviolet coating, which improves the weather resistance and decorativeness of the colored sand. The high-temperature ceramic colored sand prepared by the present invention has high density and low water absorption, is suitable for the surface layer of colored stone metal tiles, and has the characteristics of low cost, simple process and excellent environmental protection performance, and can be widely used in the field of building decoration materials.

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.