389 results about "High carbon dioxide" patented technology

The invention discloses a pseudo-ginseng seed storage method, relates to the technical field of seed treatment, and aims to solve the problems that pseudo-ginseng seeds are difficult to store, easy to lose vigor and severely mildew.The pseudo-ginseng seed storage method adopts a specially-made bionic microenvironment packaging unit to wrap the seeds, the inner layer of the specially-made bionic microenvironment packaging unit contains a moisture slow-release agent, and a bacteriostatic agent and active substances needed by germination can be intelligently released in a staged mode; the outer layer of the seed packaging box is a selective breathable film which integrates humidity and microbial contamination state indication functions and stress buffer characteristics, then the packaged seed is placed in an intelligent regulation and control storage cabin, and the temperature and humidity are accurately regulated and controlled by the storage cabin; gas components (such as low oxygen, high carbon dioxide or ozone) regulation and control, efficient air filtration and an intelligent monitoring and remote management system can be selected, the service life of the seeds can be remarkably prolonged, high germination rate and activity are kept, mildew is effectively inhibited, physiological after-ripening and germination are optimized, and intelligentization, standardization and refinement of seed storage management are achieved.

The invention discloses a Pt-ZnO / In2O3 catalyst for preparing methanol through hydrogenation of carbon dioxide and a preparation method of the Pt-ZnO / In2O3 catalyst, and relates to the technical field of catalyst preparation, and the preparation method comprises the following steps: preparing a ZnO / In2O3 catalyst by using a coprecipitation method; and loading platinum on the surface of the ZnO / In2O3 catalyst by an impregnation method to obtain the Pt-ZnO / In2O3 catalyst. The Pt-ZnO / In2O3 catalyst does not generate a sintering phenomenon in the use process, has long-term stability, realizes modification of the In2O3-based catalyst by adding zinc oxide, and can significantly improve the conversion rate of carbon dioxide and product selectivity.

The invention provides a carbon dioxide trapping absorbent and a trapping absorption method. The carbon dioxide trapping absorbent has high main absorbent concentration, the formula of the main absorbent and the viscosity of the carbon dioxide trapping absorbent are limited to be smaller than or equal to 20 cp, the mass transfer and trapping absorption capacity of carbon dioxide is improved, meanwhile, the trapping absorption capacity of carbon dioxide is further improved by limiting the formula of the accelerant, and the carbon dioxide trapping absorption capacity is improved. And more importantly, the regeneration effect of the absorbent can be improved, and the regeneration energy consumption can be obviously reduced. In addition, the absorbent is friendly to equipment, a protective film is formed on the surface of the equipment, and equipment corrosion is avoided.

A preparation method of a Ni-based high-entropy oxide catalyst and its application in the preparation of syngas by carbon dioxide (CO2) reforming of methane (CH4) is provided, and it relates to the technical field of preparation of environmental catalytic materials. The catalyst is prepared by high-energy ball milling method. Using reversible Ni particles with high content as the active site of CH4 gas, other metals introduced by high-entropy strategy greatly reduce the carbon generated from CH4 cracking while activate CO2. The prepared catalyst not only effectively overcomes the problem of poor stability of the Ni-based catalyst in CO2 reforming of CH4, but also promotes activation of CO2 and improves the efficiency of CO2 reforming of CH4 reaction. The provided preparation method of the high-entropy oxide catalyst is simple, stable, economical and reliable, and has a good development prospect in the industrial application field of CO2 reforming of CH4 technology.

The invention relates to a method for preparing carbon monoxide by reverse water gas shift, which comprises the following steps: under the catalytic action of a supported catalyst, carrying out reverse water gas shift reaction, carrying out pressure swing adsorption treatment on mixed gas generated in the reaction process, and desorbing to obtain carbon monoxide. By coupling the reverse water gas shift reaction and the pressure swing adsorption process and exerting the synergistic effect of the reverse water gas shift reaction and the pressure swing adsorption process, efficient and rapid separation of carbon monoxide is realized, the reverse water gas shift reaction is promoted to be carried out in the forward direction, the reaction requirement of reverse water gas shift is reduced, the reverse water gas shift reaction is carried out under relatively mild conditions, and the reaction efficiency is improved. The long-period efficient conversion of carbon dioxide is realized, and the conversion rate of carbon dioxide and the selectivity of carbon monoxide are further improved.

The invention discloses a multi-site intelligent response type CO2 gas channeling prevention gel and a preparation method, and belongs to the field of chemical oil displacement, and the preparation method comprises the following steps: taking a carbon dioxide response type monomer, acrylamide and sodium acrylate as monomers, and adopting water-soluble free radical polymerization to prepare a CO2 response type copolymer; the CO2 response type copolymer, a cross-linking agent, a stabilizer, a retarder and formation water are prepared into a polymer cross-linking agent mixed solution, a cross-linking reaction is carried out under the conditions of formation temperature and mineralization degree, and the multi-site intelligent response type CO2 gas channeling prevention gel is obtained. The gel effectively solves the problems that a traditional anti-channeling agent is poor in injectivity in a low-permeability and ultra-low-permeability oil reservoir and cannot achieve deep channeling sealing, CO2 gas channeling fractured channels can be effectively blocked, the carbon dioxide oil displacement effect is remarkably improved, and key technical support is provided for large-scale application of carbon dioxide displacement.

The invention relates to a method for improving the huff-puff effect of carbon dioxide, which comprises the following steps of: when liquid carbon dioxide is injected, monitoring horizon data by using an oil well profile logging instrument, judging whether the liquid carbon dioxide is a target horizon or not by sucking the horizon data, and smoothly injecting the liquid carbon dioxide into the target horizon by adopting a process adjustment or layered injection method, so as to improve the huff-puff effect of the liquid carbon dioxide. The carbon dioxide utilization rate, the measure effect and the effective rate are improved, and the remaining oil potential tapping effect and the oil well recovery rate are improved; when the oil increasing amount of well opening oil production does not reach the standard, whether the output layer is the target layer or not continues to be monitored, if the output layer is not the target layer, the measure target layer can be replaced in time, the layered pipe column structure can be adjusted when liquid carbon dioxide is injected, the purpose that the output layer is the target layer is achieved, and the measure effective rate and effect are improved.

The conveying and injecting system comprises a main pipeline, a cooling device and a supercharging device, the main pipeline is used for receiving supercritical carbon dioxide from a carbon dioxide capturing device, and the other end of the main pipeline is connected with an inlet of the cooling device; the cooling device is used for cooling the supercritical carbon dioxide to a preset temperature, so that the supercritical carbon dioxide is converted into dense-phase carbon dioxide, an outlet of the cooling device is connected with an inlet of the pressurizing device, an outlet of the pressurizing device is used for being connected with an injection well, and the pressurizing device is used for pressurizing the dense-phase carbon dioxide to a preset pressure. According to the conveying and injecting system, carbon dioxide is conveyed to the vicinity of a sealing place in a supercritical phase state in a long distance in the main pipeline and then conveyed to the injecting well after being cooled and pressurized, and the pressure of supercritical carbon dioxide is smaller than that of dense-phase carbon dioxide, so that the risk that the main pipeline is broken can be reduced; and the stability and safety of carbon dioxide conveying are improved.

The application discloses a kind of composite gel-physical foaming synergistic carbon dioxide foam concrete preparation process, carbon dioxide foam concrete, by mass parts, consisting of following components: sulphate cement 15-45 parts, hemihydrate gypsum 10-50 parts, Portland cement 5-15 parts, mineral powder 0-30 parts, gypsum retarder 0-0.3 parts, retarder 0.2-0.4 parts, water reducing agent 0.2-0.4 parts, calcium stearate 0.2-0.6 parts, hydroxypropyl methylcellulose ether (HPMC) 0.1-0.3 parts, water-cement ratio 0.2-0.45, prefabricated foam 5-15 parts.Sulphate cement, Portland cement and hemihydrate gypsum are mixed to prepare carbon dioxide foam concrete when specific mass ratio, can play the hydration synergistic effect between three, and then can greatly improve the mechanical properties of carbon dioxide foam concrete.

The invention discloses a resin well cementation method for a carbon dioxide injection well, which comprises the following steps of: calculating the annulus volume between a small-diameter casing string and an original well casing according to the specification parameters of the casing; a well killing hydraulic well is used, and after well killing is completed, the small-diameter casing string is lowered to the preset depth, and then a well mouth is installed; the method comprises the following steps: injecting a first solution into an annulus between a small-diameter casing string and an original well casing until well killing fluid in the annulus and the small-diameter casing is completely replaced by the first solution; after well killing fluid replacement is completed, a second solution with the same volume as the annulus volume is injected into the small-diameter casing string, the density of the second solution and the density of the first solution are close and both smaller than the density of the well killing fluid, the second solution and the first solution are different in color, and a high-strength carbon dioxide corrosion resistant resin slug is injected into the annulus pump; the technical problem of resin well cementation in the overflow state of the carbon dioxide injection well is solved.

The invention relates to the technical field of environmental protection, and discloses a biomass boiler oxygen-enriched combustion and biomass fly ash potassium extraction method which comprises the following steps: step 1, high-carbon-dioxide-concentration flue gas generated after biomass is subjected to oxygen-enriched combustion in a boiler is cooled, fly ash is separated, the flue gas enters a flue gas heat exchanger, and low-temperature flue gas and hot air are obtained after heat exchange with cold air; 2, fly ash obtained through separation and water are mixed and stirred, a water-ash mixture is obtained, CO2 is introduced into the water-ash mixture, and the ash mixture and low-temperature flue gas are subjected to a contact reaction; step 3, performing solid-liquid separation on the water-ash mixture after the reaction to obtain a potassium-rich solution A and a filter residue A, dividing the solution A into a solution B and a solution C, returning the solution B to the contact reaction tank for circulation, and enabling the solution C to enter a concentration device; 4, heating and concentrating the solution C through hot air to obtain a solution D; and 5, carrying out solid-liquid separation on the solution D to obtain potassium salt and mother liquor F. The method is simple in process, low in extraction cost and high in product purity.

The invention provides a preparation method of a PQDs-doped NaY molecular sieve for efficiently adsorbing carbon dioxide, which comprises the following steps: S1, mixing, stirring and dissolving aluminum chloride and sodium silicate in deionized water to obtain a precursor solution, and performing ultrasonic treatment on the dissolved precursor solution; s2, adding perovskite quantum dots (PQDs) into the precursor solution, stirring, and performing ultrasonic treatment after stirring is finished; s3, putting the mixed solution into a reaction kettle for hydrothermal reaction; and S4, centrifuging, washing, drying and grinding the solution after the hydrothermal reaction is completed to obtain the PQDs-doped NaY molecular sieve. The method has the effect of improving the adsorption capacity of the molecular sieve raw powder on the weakly acidic carbon dioxide.

The invention belongs to the technical field of concrete, and particularly relates to carbon dioxide foam concrete as well as a preparation method and application thereof. Comprising the following steps: obtaining a gel raw material comprising cement, a nano filler and a mineral admixture, and preparing the gel raw material into cement paste; the preparation method comprises the following steps: preparing a foaming solution from a hydrogel thickener, a water repellent agent, a foaming agent and water, and introducing gas containing carbon dioxide to prepare carbon dioxide foam; carbon dioxide foam and cement paste are mixed to prepare mixed paste, and the mixed paste is formed to obtain a formed concrete blank; and performing internal carbonization curing and external carbonization curing on the concrete green body, and performing natural curing to obtain the carbon dioxide foam concrete. Through internal and external carbonization maintenance, a large amount of carbon sequestration is realized, micropores are filled by virtue of a product generated by carbonization, the aperture is refined, the collapse of a foam structure is reduced, the foam concrete is enhanced, the compressive strength and durability of the carbon dioxide foam concrete are improved, and the durability of the carbon dioxide foam concrete can be enhanced.

The invention provides a preparation method of solid waste ceramsite for sequestration of carbon dioxide, and relates to the technical field of carbon dioxide absorption and sequestration. The preparation method of the solid waste ceramsite for sequestration of carbon dioxide comprises the following steps: S1, raw material preparation; S2, granulation; S3, firing; S4, surface modification; the preparation method comprises the following steps: chemically modifying ceramsite by adopting amino silane, reacting at 60 DEG C for 4 hours, cleaning with deionized water, and drying at 80 DEG C; performance tests show that the modified solid waste ceramsite is beneficial to adsorption of carbon dioxide, and after the solid waste ceramsite is physically mixed with a certain proportion of zeolite, when the mass ratio of the ceramsite to the zeolite is 3: 1, the adsorption effect of the carbon dioxide can be further improved; when the addition amount is 3% of the mass of the raw materials, the carbon dioxide sealing performance of the ceramsite is remarkably improved.

The present invention provides a catalyst for carbon dioxide reduction with which the conversion of carbon dioxide can be heightened.　The catalyst for carbon dioxide reduction is for reducing carbon dioxide by subjecting the carbon dioxide and hydrogen to a hydrogenation reaction, and includes iron, gallium, and zinc as catalytic metals, the iron being a main component of the catalytic metals.

The invention relates to a method for preparing methanol through hydrogenation of carbon dioxide. The method comprises the following steps: sequentially introducing raw material gas into a first fixed bed reactor filled with a catalyst, the interior of a membrane tube of a first membrane reactor, a second fixed bed reactor filled with a catalyst, the interior of a membrane tube of a second membrane reactor and a third fixed bed reactor filled with a catalyst; purging gas is respectively introduced into the exterior of the membrane tube of the first membrane reactor and the exterior of the membrane tube of the second membrane reactor; the catalyst comprises a metal oxide carrier and an active metal component, the active metal component is Pd, and the metal oxide carrier is an indium-zirconium composite oxide with an ordered mesoporous structure; the membrane tube of the first membrane reactor and the membrane tube of the second membrane reactor respectively comprise a membrane support body and a membrane functional layer covering the inner surface of the membrane support body, and the membrane functional layer is a molecular sieve membrane. The method provided by the invention has high catalytic activity and selectivity, and can significantly improve the conversion rate of carbon dioxide and the content of methanol in the product.

This invention proposes a charging control method, apparatus, device, and storage medium for a charging system. The method includes: determining a first power difference between a first charging power of a first charging pile and a first output power of a photosynthetic module; determining a first quantity based on the first power difference and the first output power, and determining a second quantity of available charging piles that are not yet activated; determining the operating state of a switching device between the first charging pile and multiple second charging piles according to the relationship between the first quantity and the second quantity, activating the first charging pile for charging, and activating the second charging piles for photosynthetic power generation. According to the technical solution of this invention, when the charging demand of one photosynthetic charging pile is greater than the power generation of one photosynthetic module, the photosynthetic modules of multiple idle photosynthetic charging piles can be coordinated to provide power, reducing the intervention of mains power, utilizing more photosynthetic power generation to absorb carbon dioxide, increasing the proportion of photosynthetic power generation, and improving carbon dioxide consumption efficiency.

The purpose of the present invention is to provide a technology which relates to the recovery of carbon dioxide and with which it becomes possible to improve a carbon dioxide recovery rate without reducing desorption efficiency. This carbon dioxide recovery device 1 comprises: a plurality of reactors 11 in each of which an adsorption step for adsorbing carbon dioxide and a desorption step for desorbing carbon dioxide are performed; a carbon dioxide line 103 which is branched and connected to each of the reactors 11 and through which carbon dioxide desorbed in the desorption step flows; a carbon dioxide recovery pump 63 which is disposed in a part where the branched parts of the carbon dioxide line 103 are concentrated and which applies a sucking force to the inside of each of the reactors 11 through the carbon dioxide line 103; and a control device 90 which performs such a control procedure that includes, with respect to a first reactor 11a in which the desorption step has been performed firstly and to which the sucking force by the carbon dioxide recovery pump 63 has been applied and a second reactor 11b in which the desorption step is to be performed secondarily among the plurality of reactors 11, applying the sucking force by the carbon dioxide recovery pump 63 to the second reactor 11b when the internal pressure in the first reactor 11a decreases to a predetermined threshold value.

This disclosure relates to systems and methods for removing CO2 from flue gas. The system includes a first heat exchanger for receiving and cooling the flue gas, a compressor for increasing the pressure of the cooled gas, a second heat exchanger to further cool the compressed gas, and a drying unit for removing water from the cooled compressed gas. The system further includes a pressure swing adsorption unit for adsorbing CO2 from the dried, cooled compressed gas using an adsorption media, the adsorption unit comprising a vacuum compressor for pulling the CO2 off the adsorption media. A compressor may be used for extracting the CO2 from the tank and boosting the pressure of the CO2 gas.

The application provides a carbon dioxide absorption system and an absorption method. The absorption system comprises: an absorption tower, which is used for absorbing carbon dioxide in flue gas to obtain rich amine solution; a lean-rich solution heat exchanger, which is used for heat exchanging the rich amine solution and the lean amine solution to obtain hot rich amine solution and cold lean amine solution; a regeneration tower, which is used for removing carbon dioxide in the hot rich amine solution to obtain lean amine solution; an iron ion detector, which is used for detecting the content of iron ions in the cold lean amine solution; and an iron ion adsorber, which is used for adsorbing the iron ions in the cold lean amine solution. The application is helpful to reduce the catalytic degradation degree in the operation process of the two-phase amine absorbent, thereby being helpful to improve the stability and the length of the operation of the absorption system, and further being helpful to improve the absorption efficiency of the carbon dioxide.

This invention discloses a rotary carbon dioxide capture device and method using a solid adsorbent. The technical solution is as follows: a flue and a carbon dioxide flow channel are vertically arranged on both sides of the rotary device shell; a drive device is located at the top of the rotary device shell, with its central axis coinciding with the central axis of the rotary device shell; a rotating cage is installed inside the rotary device shell; the drive device is connected to the rotating cage; the rotating cage is filled with adsorbent loading balls; a heater is installed in the inlet area of ​​the carbon dioxide flow channel located below the rotary device shell; and the outlet area of ​​the carbon dioxide flow channel located above the rotary device shell is connected to a compressor. The advantages are: this invention achieves continuous adsorption and desorption of carbon dioxide through the rotation of the rotary device, has a simple structure, low energy consumption, is suitable for large-scale carbon dioxide capture projects, effectively improves the efficiency of carbon dioxide capture, and reduces construction and operating costs.

The invention discloses a lithium carbon dioxide battery containing a homogeneous catalyst, and the homogeneous catalyst is used as a lithium carbon dioxide battery catalyst so as to improve the performance of the battery. The catalyst belongs to an amine organic solvent and is added into an organic electrolyte of a lithium carbon dioxide battery, the electrolyte has high carbon dioxide adsorption rate and carbon dioxide mass transfer capacity, and the homogeneous catalyst can regulate and control a three-phase interface and the catalytic capacity of carbon dioxide electrochemical reduction (CO2RR) / oxidation (CO2ER). After the homogeneous catalyst is added into an electrolyte, the homogeneous catalyst is used for a lithium carbon dioxide battery, so that the discharge capacity of the battery can be improved, the cycle performance of the battery is greatly improved, the charging polarization problem is reduced, and the energy efficiency of the battery is effectively improved.

To improve the activity and efficiency of converting carbon dioxide to methanol, a catalyst for converting carbon dioxide to methanol and a method for preparing methanol are provided. [Solution] The present invention relates to a catalyst for converting carbon dioxide to methanol and a method for preparing methanol. The catalyst for converting carbon dioxide to methanol is applied to methanol production and comprises 30 to 70 parts by weight of copper (Cu) or its oxide, 20 to 50 parts by weight of zinc (Zn) or its oxide, 2 to 10 parts by weight of aluminum (Al) or its oxide, and 0.1 to 10 parts by weight of a first modifier, wherein the first modifier is selected from the group consisting of indium (In) or its oxide and cerium (Ce) or its oxide. The catalyst for converting carbon dioxide to methanol of the present invention is suitable for methanol production. The present invention also relates to a method for preparing methanol.

The application discloses a kind of desulfurization wastewater's increase processing method of sink, for the problem of strong acidity of desulfurization wastewater, higher carbon dioxide partial pressure.Utilize sink increasing agent can realize wastewater sink, the percentage of weight of each component of sink increasing agent is as follows: calcium oxide 10-85%, apatite 10-85%, calcined dolomite 0.01-85%, limestone 0.01-85%, olivine 0.01-50%, sodium carbonate 0.01-10%, sodium bicarbonate 0.01-10%, potassium dihydrogen phosphate 1.00-40%, and the sum of weight ratio of above each component is 100%.By using the method of the application, the sink increasing agent is used to improve the alkalinity of desulfurization wastewater, significantly reduce the carbon dioxide partial pressure in wastewater, improve the absorption of carbon dioxide, realize the transformation of carbon source into carbon sink, and strictly control the weak alkaline of water body at the discharge end.The system can increase the absorption of carbon dioxide, realize the sink of desulfurization wastewater;The method can quickly dissolve the sink increasing agent, realize the quick sink effect;And the method can adjust the weak alkaline of water body at the discharge end, the weak alkaline of desulfurization wastewater with low pH after treatment can be directly discharged.

The application discloses a bifunctional catalyst for preparing p-xylene from carbon dioxide and hydrogen in one step, a preparation method and application, relates to the technical field of catalysts for preparing p-xylene from carbon dioxide and hydrogen, and opens up a new way for selectively hydrogenating carbon dioxide into high-value p-xylene; the application comprises alkali metal modified FeMn oxides and ZSM-5 capsule zeolites, and is used for converting CO2 into p-xylene through one-step hydrogenation; in the alkali metal modified FeMn oxides, Mn is dispersed on the oxide phase of Fe; the ZSM-5 capsule zeolites are subjected to hydrothermal treatment with a TPAOH solution, and the external passivated Bronsted acid sites of the ZSM-5 capsule zeolites can inhibit the structuralization reaction of dimethylbenzene; the bifunctional catalyst can realize the conversion of carbon dioxide into p-xylene in one step, has high carbon dioxide conversion rate, high space-time yield of p-xylene, and long catalyst service life.

The present disclosure relates to improving the energy performance of CO2 capture. [Solution] A system for capturing carbon dioxide (CO2) from a CO2-containing gas stream, comprising an absorber for contacting the CO2-containing gas stream with an adsorbent, the adsorbent operable to capture CO2 from the CO2-containing gas stream in a first temperature range and release the CO2 in a second temperature range, a desorber for releasing the CO2 from the adsorbent, first and second heat pumps configured to recover heat for the desorber from both a condenser and at least one other point in the system, and the condenser temperature selected to maximize both the heat content of the condensate and the combined coefficient of performance of the first and second heat pumps to minimize the input energy requirements of the heat pump system.

The invention relates to a liquid recovery system for offshore oilfield associated gas with high carbon dioxide content. The liquid recovery system comprises a desulfurization tank, a converter, a synthesis gas compressor, a methanol synthesis unit, a methanol rectification unit, a synthesis gas recovery unit, a purge gas recovery unit and a CO2 compressor, the offshore associated gas is treated by the desulfurization tank, converged with an outlet of the CO2 compressor and introduced into the reformer; the converter is connected with the methanol synthesis unit through a synthesis gas compressor; a liquid phase outlet of the methanol synthesis unit is connected with the methanol rectification unit, a first purge gas outlet is connected with the purge gas recovery unit, and a second purge gas outlet is connected with a fuel gas inlet of the converter; a first purge gas outlet of the methanol rectification unit is connected with the methanol synthesis unit, and a second purge gas outlet of the methanol rectification unit is connected with the purge gas recovery unit; the outlet of the converter is connected with the outlet of the purge gas recovery unit and is connected with the inlet of the CO2 compressor. According to the invention, liquid in the offshore oilfield associated gas can be effectively recovered, and the resource utilization rate is improved.

The purpose of the present invention is to provide a carbonation curing system and a carbonation curing method which are capable of improving the efficiency of reaction between CO2 gas and concrete. The carbonation curing system comprises: at least two carbonation curing parts; a gas flow part through which a CO2-containing gas flows between the carbonation curing parts; a CO2 gas supply port for supplying the CO2-containing gas; and a CO2 gas discharge port for discharging the CO2-containing gas that has decreased CO2 concentration. In the carbonation curing system and the carbonation curing method, the carbonation curing parts are each provided with concrete that differ from each other in the degree of progress of carbonation curing, and the CO2-containing gas is supplied along a flow path of the CO2-containing gas so as to flow from concrete having a higher degree of progress of carbonation curing to concrete having a lower degree thereof.

The present invention discloses a carbon dioxide recovery device for a yeast fermentation tank, comprising a carbon dioxide collecting tank, a spray bin installed on one side of the carbon dioxide collecting tank, a dehumidification bin installed on the top of the outer side of the carbon dioxide collecting tank, and an air suction pump provided on the carbon dioxide collecting tank, the input end of the air suction pump being connected to the top of the spray bin, and the output end of the air suction pump being connected to the bottom of the dehumidification bin; the present invention processes carbon dioxide by spraying and dehumidifying fillers, thereby improving the quality of carbon dioxide recovery, and is not operated by an independent tank body, thereby reducing the space occupied by the equipment; through the mutual cooperation of a rotating rod, a stirring blade, a gear, an inner gear ring and a shifting rod, the combination of the shifting rod and the inner gear ring is similar to a ship's rudder, and can be rotated from multiple directions, and a group of inner gear rings synchronously drive multiple groups of rotating rods and stirring blades to rotate, thereby stirring the hygroscopic filler to prevent it from agglomerating, thereby ensuring a good dehumidification effect.

The present invention provides a carbon cycle rich aromatics catalyst and its preparation method. The catalyst includes a carrier, an active component and nano-scale activated carbon AC, the carrier is a ZSM-5 zeolite molecular sieve, and the pore size distribution is 0.2-0.4nm, the active component is ZnO inside the molecular sieve channel and ZnZrOx dispersed on the outer surface of the molecular sieve; the mass ratio of each substance of the catalyst is 100ZSM5: 6-9ZnO: 6-20ZnZrOx: 1-5AC, Zn modified ZSM5 molecular sieve is subjected to post-processing recrystallization means, the B acid acidity and pores of the ZSM5 molecular sieve are adjusted, and a metal salt is added in an alkaline environment in the later stage of recrystallization to form a metal oxide shell on the surface of the ZSM5 molecular sieve, and the lattice oxygen defects of the metal oxide are used to improve the adsorption capacity and conversion capacity of carbon dioxide. The addition of activated carbon also solves the diffusion problem of the outer surface. The present invention catalyzes the co-conversion reaction of carbon dioxide and light alkanes under milder reaction conditions to obtain higher carbon dioxide, alkane conversion rate and aromatics selectivity.