61results about How to "Solve environmental problems" patented technology

The invention provides a compound evaporator coupled with multiple heat sources, and a heat pump system thereof. The use efficiency of a heat pump and the energy utilization rate are improved while the coupled use of the multiple heat sources is achieved; meanwhile, flue gas waste heat can be recycled, and purification is achieved; and the side of the evaporator is prevented from being frosted effectively. The compound evaporator comprises a shell, and flanges arranged at the two ends of the shell; the shell comprises an outer shell and an inner shell; a spiral refrigerant flow channel is arranged in a clearance between the outer shell and the inner shell; an inside cavity of the inner shell forms a coupled working medium flow channel, and the two ends of the inner shell are provided witha coupled working medium inlet and a coupled working medium outlet separately; the outer side of the outer shell is provided with a plurality of flue gas cooling fins, and a flue gas channel used forheat exchange is formed between the adjacent flue gas cooling fins; and the two ends of the outer shell are separately provided with a refrigerant inlet and a refrigerant outlet which communicate withthe refrigerant flow channel.

This invention relates to a resin composition for injection molding, comprising a poly(3-hydroxyalkanoate) resin. The poly(3-hydroxyalkanoate) resin comprises at least one copolymer of 3-hydroxybutyrate units and other hydroxyalkanoate units. The average content of 3-hydroxybutyrate units in the poly(3-hydroxyalkanoate) resin is 92 mol% or more and 99 mol% or less. The poly(3-hydroxyalkanoate) resin, obtained by gel permeation chromatography using chloroform solvent, has a polystyrene-converted weight-average molecular weight of 210,000 or more and 380,000 or less, and the proportion of components with a weight molecular weight of 200,000 or less in the weight molecular weight distribution is 35 wt% or more and 60 wt% or less.

The invention provides a collaborative development process data synchronization and notification method. According to the method, an automatic process is triggered by monitoring a test-submitted event message queue, development data is positioned based on module identification, key operation features (such as database change and task start and stop) are analyzed and extracted by using natural language, and feature extraction precision is improved by combining a dynamic keyword library and cross-modal fusion; the timeliness and reliability of risk reminding are ensured through template message generation and multi-channel delivery; a risk propagation range is further predicted by means of a dependency graph model, and a closed-loop early warning mechanism is formed. According to the method, the problem of delay caused by information lagging and insufficient collaboration in the development process is solved, the risk of manual operation is reduced, and the efficiency and controllability of project management are improved.

The invention relates to a buoyancy semi-submersible platform for marine engineering equipment transportation, and relates to the technical field of marine engineering equipment. The device comprises a plurality of main stand columns, transverse supporting rods, inclined supporting rods, a top platform, bottom supporting rods and inflatable buoyancy units, first assembling plates and second assembling plates which are used for fixing the transverse supporting rods and the inclined supporting rods are arranged on the side walls of the two ends of the main stand columns at intervals, and the top platform is arranged at the top ends of the main stand columns; the bottom supporting rods are arranged between the transverse supporting rods at the bottom ends of the main stand columns, positioning rods are arranged between the bottom supporting rods and the bottom wall of the top platform, and the peripheral walls of the positioning rods are sleeved with the inflatable buoyancy units. The main stand columns, the transverse supporting rods, the inclined supporting rods, the top platform, the bottom supporting rods and the inflatable buoyancy units are combined to form buoyancy semi-submersible platforms in different modes based on different working requirements. The method has the effects that the transportation difficulty of the ocean engineering equipment is reduced, and the transportation and establishment efficiency of the ocean engineering equipment is improved.

The embodiment of the utility model provides a tail coke extinguishing and collecting device of a 6m top-charging coke oven, which comprises a material receiving hopper, an upper water tank, a high-pressure water pump and a tail coke chute which are arranged on a coke barrier car, and a coke-water separating hopper arranged on a coke quenching trolley, the receiving hopper is located below a coke oven tail coke outlet, the tail coke chute is of an inclined groove-shaped structure with two open ends, and the top end of the tail coke chute is connected with the receiving hopper; the upper water tank is communicated with the top end of the tail coke chute through a high-pressure water pump; a feeding hole is formed in the top of the coke-water separation hopper, is positioned below the tail coke chute, and is larger than the bottom end of the tail coke chute; and a screen for separating tail coke from water is also arranged in the coke-water separation hopper. According to the technical scheme, the tail coke entering the tail coke chute is scoured, extinguished and transported through the high-pressure water, so that the problem of high failure rate caused by direct contact between a scraper mechanism and the tail coke is avoided, the normal operation of production is further ensured, and the tail coke treatment capacity is improved.

A multi-stage adsorption synergistic dust control system for silicon carbide laser processing includes a suction hood, a vibrating grid module, a porous laminar flow adsorption module, a boiling water mist module, a condensation pipe, a mixing condensation module, a drying module, and a fan, arranged sequentially and connected along the airflow direction. The vibrating grid module includes an alloy grid and a vibration device. The porous laminar flow adsorption module includes an adsorption layer disposed in the airflow channel. The boiling water mist module includes an adsorption chamber and a water mist generator to form boiling water mist to capture dust in the airflow. The condensation pipe performs preliminary condensation of the airflow to capture dust. The mixing condensation module includes an inclined condensation channel that utilizes dust in the airflow as condensation nuclei to remove dust. The inner wall of the condensation channel is alternately arranged with superhydrophilic and superhydrophobic regions. This invention can achieve stepwise dust removal from the micron to the nanometer scale, with a capture efficiency of up to 99.9%, low overall energy consumption, and recyclable materials.

The invention provides a dust removal water cannon for coal mining and processing. The dust removal water cannon comprises a dust removal moving trolley; the dust removal liquid storage conveying mechanism is fixedly mounted on the inner side of the dust removal moving trolley, and the dust removal liquid storage conveying mechanism is electrically connected with the control case through a connecting wire; the positioning lifting mechanism is fixed to the front end of the dust removal liquid storage conveying mechanism, and the positioning lifting mechanism is electrically connected with the control case through a connecting line; according to the dedusting water cannon for coal mining and processing, a dripping liquid collecting frame of the dripping liquid collecting mechanism is used for receiving dripping liquid at a cannon muzzle, a high-low collecting cavity guides the liquid to flow into a recycling frame through a recycling pipeline, and the rotating dedusting cannon barrel is movably mounted on the inner side of the upper end of the positioning lifting mechanism; the problem that an existing device wastes water resources is solved, cyclic utilization of the water resources is achieved, and the use cost is reduced.

The invention relates to the technical field of microorganisms, in particular to deep sea thiomonas and application thereof. The strain is Sulfurimonas iocasae FCS5, and is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.46387. The invention further discloses a preparation method of the Sulfurimonas iocasae strain. The deep sea thiomonas strain has the functions of carbon sequestration, denitrification, dephosphorization and production of various vitamins, and the application of the deep sea thiomonas strain in the fields of environmental restoration, biological product production and the like.

This utility model discloses a high-efficiency grinding device for boiler header pipe joints, including: a worktable, a motor, a louvered grinding wheel, a bearing seat, a bearing, a bearing inner sleeve, a T-shaped slider, and a slider groove. The motor is connected to the worktable and drives the louvered grinding wheel to rotate. The slider groove is connected to the worktable and is arranged parallel to the oblique front side of the louvered grinding wheel. The T-shaped slider is slidably connected in the slider groove. The bearing seat is connected to the T-shaped slider, and the bearing is connected to the bearing inner sleeve. The bearing inner sleeve is used to place the pipe fitting. Sliding the T-shaped slider causes the outer surface of the pipe fitting in the bearing inner sleeve to contact the louvered grinding wheel. By using the bearing inner sleeve to install the pipe fitting and adjusting the contact between the pipe fitting and the louvered grinding wheel by sliding the T-shaped slider in the slider groove, the pipe fitting rotates synchronously with the help of friction, achieving the purpose of uniformly grinding the outer surface of the pipe fitting, thus achieving the technical effect of compact structure and high grinding efficiency.

The present application relates to high ammonia nitrogen wastewater treatment technical field, especially in one kind of integrated autotrophic denitrification device and method, wherein, one kind of integrated autotrophic denitrification device includes: pretreatment component, short path nitrification component, anaerobic ammonia oxidation component, collection and sludge discharge component, process insulation component, identification monitoring component, identification and determination component;The identification and determination component is analyzed according to the real-time image of the anaerobic ammonia oxidation bacteria distribution obtained and issues corresponding adjustment signal, or, alarm signal, so that the operation parameters of the determining device each component are adjusted accordingly.The present application provides a kind of short path nitrification and anaerobic ammonia oxidation combination mode, realizes partial short path nitrification, solves the accumulation problem of anaerobic ammonia oxidation bacteria, provides anaerobic ammonia oxidation bacteria for short path nitrification system, improves denitrification efficiency, and the device is self-regulating, strengthens the stability of device operation, so that the device can be long-term and stable operation.

The application discloses a production process of a feed-grade high-protein D-calcium pantothenate particle, and the process comprises the following steps: (1) after inactivation of D-calcium pantothenate mash, ceramic filtrate and ceramic membrane residue liquid are obtained through membrane filtration; (2) after heating of the ceramic filtrate, wood active carbon is added for decolorization; decolorized liquid is obtained through suction filtration; (3) the decolorized liquid is mixed with part of the ceramic membrane residue liquid to prepare a mixed liquid with a dry basis purity of 52-58%; (4) after concentration of the mixed liquid to a dry solid content of 52-58%, auxiliary materials are added to prepare a dry basis purity of 42-48%, and a 42-48% D-calcium pantothenate particle product is obtained through granulation bed drying. The production process effectively reduces the production cost and environmental protection pressure, and meanwhile, the bacterial protein and auxiliary materials are used to prepare an animal-friendly feed D-calcium pantothenate product which is better in flowability and richer in nutrition.

The utility model relates to a kind of ice bar machine, comprising: vortex tube heating unit, with hot gas outlet and cold gas outlet;Cooking heating module, including pot and base, the base is equipped with hot gas stream air inlet, this hot gas stream air inlet is connected with the hot gas outlet of vortex tube heating unit, for the hot gas stream is guided into the bottom of pot to heat the food material of ice bar liquid production;Cooling module, including ice bar tray for placing ice bar mold and cold gas delivery pipeline, the cold gas delivery pipeline is connected with the cold gas outlet of vortex tube and the inside of ice bar tray, for injecting cold gas stream to ice bar tray to solidify ice bar liquid in ice bar mold. Advantage is: it is with single vortex tube unit to generate cold, hot two gas streams simultaneously, replace traditional independent compression refrigeration system and external heating equipment, independent heating furnace in prior art is saved, equipment component quantity and overall structural complexity are significantly reduced.

This utility model discloses an acetylene carbon black drying device with dust removal function, including a drying shell, a feeder at one end of the drying shell, a frame for support at the bottom of the drying shell, a tubular shell structure, a drying auger inside the drying shell, and a power component connected to the drying auger on one side of the drying shell. This utility model relates to the technical field of carbon black processing equipment. This acetylene carbon black drying device with dust removal function integrates a labyrinth-style interlaced layered cotton felt filter mesh at the drying exhaust outlet. The labyrinth-style interlaced layered structure greatly increases the contact opportunity and residence time between dust and the filter medium, significantly improving dust removal efficiency and effectively preventing powder from escaping into the external environment. It efficiently intercepts acetylene carbon black powder escaping during the drying process, solving the problems of powder scattering and polluting the environment and harming health caused by traditional hot air drying. At the same time, it has a compact structure and is easy to maintain.

The invention relates to an interrupt response time detection method and device, equipment, a medium and a program product. The interrupt response time detection method comprises the steps that in response to monitoring that a timer used for interrupt response time detection in an operating system is overtime, a detection program reads a first timestamp from character equipment in a kernel mode of the operating system and triggers the character equipment to send an event notification signal to the detection program, the detection program is a program used for detecting the interrupt response time in a user mode of the operating system, and the first timestamp is a timestamp when the operating system generates the current interrupt; in response to the received event notification signal, the detection program calls a callback interface corresponding to the event notification signal in a user mode in the operating system, and obtains a second timestamp from the callback interface, the second timestamp being a timestamp that the operating system starts to process the current interruption by using the callback interface; based on the first timestamp and the second timestamp, the detection program determines an interrupt response time for the current interrupt.

This invention belongs to the field of comprehensive utilization technology of secondary silicon resources, and discloses a method for separating elemental silicon and glass in decommissioned photovoltaic modules based on surface modification. Crystalline silicon solar panels and glass fragments that have undergone pyrolysis treatment and had their EVA film removed are dried, crushed, ground, and sieved to prepare a slurry. Cu is then added sequentially to the resulting slurry. 2+ The slurry obtained from kerosene and No. 2 oil is subjected to flotation using conventional processes to obtain silicon concentrate and glass tailings. This invention innovatively proposes using kerosene as a collector. Through strong van der Waals forces and hydrogen bonds, kerosene molecules are physically adsorbed onto the surface of elemental silicon, Cu... 2+ As an activator, it undergoes dissociation and adsorption on the silicon surface, forming Cu–Si and O–Si double bonds, significantly increasing the number of surface active sites and promoting the adsorption behavior of kerosene on elemental silicon. The entire process has high recovery indicators, a simple flow, is easy to operate, has low production costs, and is environmentally friendly and energy-saving.

This invention provides a bidirectional feedback collaborative optimization method, medium, and device for pedestrian detection and tracking. The method includes: generating an initial set of detection boxes using a detector for the current frame image; generating virtual detection boxes using trajectory-guided detection completion; obtaining the detection box set after verification; and employing bidirectional feedback collaborative optimization of the detector and tracker, including: feeding the virtual detection boxes as positive hard examples back to the detector for optimization; feeding back high-confidence real detection boxes from the detection box set to the tracker for tracker updates; and performing a second data association using the verified detection box set and the tracker optimized by bidirectional feedback, ultimately outputting a set of pedestrian trajectories. This method can solve the problems of error accumulation, false detection propagation, and trajectory fragmentation caused by the unidirectional serial interaction between the detector and tracker in existing MOT systems.

The application relates to a waste solid propellant incineration destroying device and method, which comprises a sample feeding system, an ignition system, an incineration furnace, a slagging machine, a buffer tank, a secondary high-temperature incineration device, a flue gas purification system and a control system; the sample feeding system is communicated to the inside of the incineration furnace through the top of the incineration furnace, the ignition system and the slagging machine are installed at the bottom of the incineration furnace; one end of the buffer tank is communicated with the incineration furnace, the other end is communicated with the air inlet of the secondary high-temperature incineration device, the air outlet of the secondary high-temperature incineration device is communicated to the flue gas purification system; the control system is electrically connected with the sample feeding system, the ignition system, the incineration furnace, the slagging machine, the buffer tank, the secondary high-temperature incineration device and the flue gas purification system, and the safety and environmental protection problems existing in the open destruction of waste solid propellant are solved.

This invention discloses a lithium mica granule insulating brick and its preparation method. The lithium mica granule insulating brick is made from the following raw materials by weight percentage: 40%–80% lithium mica granules and 20%–60% cement. The lithium mica granules are prepared from lithium mica through granulation, calcination, and leaching. In this invention, the lithium mica granules have characteristics such as low density, high porosity, low thermal conductivity, and high strength. When compounded with cement, they form a lithium mica granule insulating brick that is lightweight, has high compressive strength, and excellent thermal insulation performance. The lithium mica granules used can be used directly without the need for pretreatment such as grinding and drying. The preparation process is simpler, more convenient, and has lower energy consumption, making it suitable for large-scale production and facilitating the industrial application of lithium mica granule insulating bricks. Furthermore, the large quantity of lithium mica granules used enables large-scale resource utilization of lithium mica and effectively solves the environmental problems associated with lithium mica granules.

The present application relates to geotechnical engineering materials and solid waste treatment technical field, especially to a kind of microwave curing CDW base polymer solidified soil based on and preparation method thereof.The above microwave curing CDW base polymer solidified soil, raw material includes by mass percentage: solidified material 20-25%, waste excavation geological material 75-80%;Solidified material includes: alkali activator, building demolition waste, and the mass ratio of alkali activator, building demolition waste 1.4;Alkali activator is aqueous solution containing sodium hydroxide and sodium silicate;Building demolition waste includes: slag, glass powder, red brick powder.The present application will be each raw material scientific proportioning, and effectively combine active ingredient organically, the characteristics and synergistic effect of each component are fully exerted, process parameters are reasonably adjusted;The present application has good immediate effect, good stability, high compressive property, and the strength of waste geological material is obviously improved from physical, chemical effect.

The utility model discloses a kind of vacuum interconnection chemical vapor deposition devices, including vacuum pipeline A, ordinary pipeline B and ordinary pipeline C, the vacuum pipeline A, ordinary pipeline B and ordinary pipeline C are arranged in parallel, and vacuum pipeline A, ordinary pipeline B and ordinary pipeline C are all provided with three-way joint, and every three-way joint on ordinary pipeline B is connected with one gas path summary device by one connecting pipeline E, another inlet on gas path summary device is communicated with ordinary pipeline C by connecting pipeline F, every gas path summary device is connected with one vapor deposition equipment by pipeline, the outlet of vapor deposition equipment is connected with the three-way joint on vacuum pipeline A by connecting pipeline D, one of which vapor deposition equipment is provided with vacuum pump, the device can improve experimental efficiency, save experimental space and reduce the effect of cost, while guarantee the quality of growth film material.

The application discloses a liquor tailing acid substance extraction method in liquor brewing and liquor, and comprises the following steps of pretreatment, selective adsorption, gradient desorption, membrane separation and purification and liquor body blending. The chelation precipitation-microfiltration coupling process is adopted in the pretreatment to remove metal ions and colloidal impurities; the acid substances are specifically adsorbed through a hexanoic acid molecular imprinting polymer adsorbent, and step-by-step elution is realized by combining with gradient pH desorption; high-purity acid concentrated solution is obtained through nanofiltration membrane separation and activated carbon adsorption, and after screening, the high-purity acid concentrated solution is blended with a base liquor body to improve the quality of the liquor.

The invention relates to the technical field of Maotai liquor distillation and condensation equipment, in particular to a water-saving and energy-saving heat exchange device for the Maotai liquor industry and a control method.The device comprises a condensation tank, an air flow guide column and a heat exchange pipe, the air flow guide column and the heat exchange pipe are vertically arranged in the condensation tank, and the heat exchange pipe is of a spiral structure approximately; the rotational flow radius of the heat exchange tube is periodically changed; the air guide column is located in the middle of the heat exchange pipe, and an air guide blade is arranged at the lower end of the air guide column and located below the heat exchange pipe. The lower end part of the condensation tank is provided with an air flow inlet and a water outlet, and the top is provided with an exhaust port; a cooling water spraying part is arranged in the condensation tank and is positioned at the middle lower part of the heat exchange tube; the upper end of the heat exchange pipe is communicated with a wine steam input pipe, the lower end of the heat exchange pipe is communicated with a cooled wine discharge pipe, and the problems of high energy consumption and high water consumption generally existing in the traditional wine brewing industry are solved.

This invention discloses a fermented traditional Chinese medicine product, its preparation method, and its application, belonging to the field of traditional Chinese medicine fermentation technology. The product uses peppermint, astragalus, wolfberry, mulberry bark, anemarrhena, arborvitae leaf, scrophularia, cimicifuga, elsholtzia, angelica, lily, ginkgo, licorice, schisandra, eleutherococcus senticosus, ophiopogon japonicus, and dried ginger as raw materials, sorghum as a co-fermentation raw material, and brewing liquid as a fermentation enhancer. The process involves pretreatment of the traditional Chinese medicine, co-cooking with sorghum, saccharification with small-grain starter, segmented fermentation, extraction and purification, and post-treatment. This invention utilizes a "compound traditional Chinese medicine ~ sorghum" co-fermentation system, combined with the microbial community and active substances rich in brewing liquid, to increase the dissolution rate of active ingredients such as astragaloside A, lily polysaccharide, and wolfberry polysaccharide in the traditional Chinese medicine by more than 50%, while simultaneously converting them into easily absorbed small molecule derivatives. The finished product has an alcohol content controlled at 6-8 degrees, which not only promotes the absorption of active ingredients but also possesses synergistic effects of clearing the lungs and regulating qi, tonifying qi and benefiting the lungs, moistening the lungs and relieving cough, and clearing heat and resolving phlegm. The process enables the resource utilization of yellow water from brewing, reducing costs by 35%, and the product exhibits excellent stability, making it suitable for industrial production. It also has significant value in the field of lung function regulation and health care.

The utility model discloses a production device that promotes the fastness of polyamide filament, relates to polyamide filament production equipment technical field, including production platform and being located on the spraying box of production platform, still include circulating spraying subassembly, sweep and spray subassembly, traction subassembly and polyamide filament pretightening subassembly, the utility model discloses through the pretightening mechanism and keeps the polyamide filament tension state, avoids its accumulation in the transmission process, and the structure W type winding road energy prolongs the contact time, equidistance shower nozzle expands the coverage and the arc sweep and spray design, ensure the polyamide filament full, even contact fastness auxiliary agent from multidimension, solved the problem that the traditional device caused by local accumulation leads to the big problem of fastness difference, the device makes the redundant auxiliary agent after spraying can flow to the liquid storage tank reutilization through circulating spraying subassembly, improves the utilization of fastness auxiliary agent, reduces raw material cost, also avoids the environmental protection problem caused by the direct discharge of auxiliary agent.

This invention relates to the field of construction machinery automation technology and discloses an intelligent wall-mounting nailing device, including a feeding mechanism, a fastening mechanism, a nail magazine mechanism, a nailing mechanism, a multi-axis robotic arm, a control mechanism, and two lifting platform trolleys. The feeding mechanism includes a hopper, a feeding assembly, and a feeding component. The hopper is mounted on the top of one of the lifting platform trolleys via an aluminum profile. The feeding assembly includes a mounting plate and a side plate mounted on the outside of the hopper. A rolling bearing is mounted on the inner side of the side plate, and a drive motor is fixedly mounted on the outer side of the mounting plate. By integrating a nailing mechanism, a laser rangefinder, and an image sensor into a gas nail gun head, and by adjusting the position of the gas nail gun head at the end of the nailing mechanism, nailing operations can be performed on different calibrations of the working surface, thus solving the problem of inconvenient operation on high-altitude and narrow working surfaces.

This invention belongs to the field of refrigeration, heat pump, and low-boiling-point power cycle technology. It discloses an environmentally friendly mixed refrigerant that can be used in low-ambient-temperature heat pumps and replace R410A, comprising a first component, a second component, and a possible third component. The first component is difluoromethane (R32), the second component is hexafluoropropylene (R1216), and the possible third component is one of propane (R290) or carbon dioxide (R744). The environmentally friendly mixed refrigerant provided by this invention, when used to replace R410A, has a significantly lower global warming potential (GWP) than R410A, demonstrating a clear advantage in environmental friendliness. The thermodynamic properties of the environmentally friendly mixed refrigerant provided by this invention are comparable to or even superior to R410A, making it a complete replacement for R410A in refrigeration, heat pump, and low-boiling-point power cycle systems. Furthermore, it can be used in ultra-low temperature heat pumps, possessing broad application prospects.

This application discloses a servo turntable assembly for a center-driven vertical injection molding machine and the vertical injection molding machine itself, belonging to the field of intelligent manufacturing equipment. It includes a mold base, an upper mold-closing base, a lower mold-closing base, a turntable, a turntable servo assembly, a mold-closing linkage assembly, a mold-closing servo assembly, and a mold-closing fine-tuning assembly. This application has the effects of reducing injection molding machine energy consumption, reducing pollution, and improving mold-closing accuracy.

The application discloses a kind of potato green efficient fertilization methods, belong to agricultural planting technical field.The method includes: in sowing or land preparation, straw is promoted to rot microbial agent and antagonistic functional bacterium agent are mixed together with base fertilizer and are applied together;Before potato flowering period, antagonistic functional bacterium agent is mixed together with topdressing and is applied together.The straw is promoted to rot microbial agent and includes trichoderma and bacillus, and the antagonistic functional bacterium agent includes trichoderma, paenibacillus and streptomycete.The application can effectively improve potato yield and fertilizer utilization rate by the synergistic application of functional microorganism and fertilizer, while significantly reducing carbon footprint and nitrogen footprint in production process, solve the problem that high yield and environmental protection are difficult to consider in prior art, provide a popularized technical scheme for potato green efficient production.

The invention discloses a device and a method for preparing hydrogen fluoride by a complex decomposition method. The device comprises a cascade reactor, a dryer and a circulation type dynamic thermal decomposition system which are connected in sequence, the cascade reactor integrates functions of complexation reaction, complex filtration and cross-linking reaction, and comprises a complexation reaction area, a membrane filtration area and a cross-linking reaction area which are sequentially arranged from top to bottom; lateral stirring is carried out in the complexing reaction zone; a filtering membrane pipe is arranged in the membrane filtering area; an inner cavity of the filter membrane tube is communicated with the complexation reaction zone and the cross-linking reaction zone, and an outer cavity is used for receiving filtrate; the cross-linking reaction zone is an ultrasonic reaction zone; the dryer is connected with the bottom of the cross-linking reaction area and is used for drying a solid complex which is cross-linked in the cross-linking reaction area; and the circulation type dynamic thermal decomposition system is used for fluidizing the solid complex dried by the circulation type dynamic thermal decomposition dryer and discharging hydrogen fluoride-containing gas.

The application discloses a kind of green low-carbon cementitious material for roadbed and a preparation method thereof, and belongs to the technical field of low-carbon cementitious material, and its composition is as follows by weight fraction, including: slag powder 40-50 parts, self-made functional fly ash 25-35 parts, steel slag powder 15-25 parts, desulfurization gypsum 8-15 parts, modified basalt fiber 2-4 parts.The self-made functional fly ash in the cementitious material of the present application breaks the surface inertness of fly ash through alkali activation, and a large amount of solid waste is used, which is widely used in roadbed materials, not only can solve the environmental problems caused by the accumulation of these solid wastes, but also conforms to the strategic development direction of green, recycling and sustainability, and has great market potential.