54 results about "CO2 - Carbon dioxide" patented technology

The embodiment of the utility model provides an algal-bacterial symbiotic membrane aeration bio-membrane reactor, the algal-bacterial symbiotic membrane aeration bio-membrane reactor comprises a container, a membrane assembly, a carbon dioxide supply device, an oxygen supply device and a light source, the membrane assembly is arranged in the container, the membrane assembly comprises a first membrane wire group and a second membrane wire group which are arranged at an interval, the carbon dioxide supply device is connected with the air inlet of the first membrane filament group to provide carbon dioxide for the first membrane filament group, the carbon dioxide is connected with the air inlet of the second membrane filament group to provide oxygen for the second membrane filament group, and the light source irradiates the first membrane filament group. The bacteria-algae symbiotic membrane aeration bio-membrane reactor disclosed by the embodiment of the utility model has a relatively strong sewage treatment effect.

The invention discloses a carbon dioxide ore-smelting gasification integrated collaborative device. The device comprises a carbon dioxide gasification unit used for converting liquid carbon dioxide into gaseous carbon dioxide; the carbon dioxide mineralization reaction unit is used for performing mineralization reaction on gaseous carbon dioxide; the hot air circulation system is connected between the mineralization reaction unit and the gasification unit and is used for transferring heat released by the mineralization reaction unit to the gasification unit; the cold air circulating system is connected between the gasification unit and the mineralization reaction unit and is used for returning cold air generated in the gasification process to the mineralization reaction unit for heating; and the ambient air introduction system is used for introducing ambient air into the air heating channel of the mineralization reaction unit, and the ambient air is used for heat exchange of the gasification unit after being heated. Through the synergistic effect of heat released by the mineralization reaction unit and the gasification unit, internal energy self-circulation is formed, efficient gasification and mineralization of carbon dioxide are achieved, energy consumption is reduced, and carbon emission is reduced.

The invention discloses an intelligent explosion-proof box for a cable intermediate joint, and particularly relates to the technical field of explosion-proof boxes for cable joints, the intelligent explosion-proof box comprises an upper explosion-proof box body and a lower explosion-proof box body, the upper end of the upper explosion-proof box body is fixedly provided with a containing box, and the containing box is filled with sodium bicarbonate particles; a containing box is arranged in the upper anti-explosion box body, a plurality of heat conduction rods are arranged in the containing box in a sliding mode, one end of each heat conduction rod penetrates through the upper anti-explosion box body and is fixedly connected with a heat collection piston arranged on the inner side of the upper anti-explosion box body, an anti-explosion barrel is fixedly arranged on the inner side wall of the upper anti-explosion box body, and an air bag is arranged in the anti-explosion barrel. When explosion is generated in the explosion-proof box body, sodium bicarbonate particles in the containing box can be heated and decomposed, the sodium bicarbonate particles absorb heat when being heated and decomposed, the explosion-proof box body can be cooled, carbon dioxide can be generated through decomposition, and the carbon dioxide can be sprayed into the explosion-proof box body through an air distribution plate; the oxygen content in the explosion-proof box body can be reduced, and the probability of combustion is reduced.

The invention belongs to the technical field of mosquito medium prevention and control, and provides an intelligent mosquito trapping device based on skin bionics and carbon dioxide synergistic induction and a mosquito trapping control method.The main scheme is that a master control single-chip microcomputer drives a mosquito suction fan to build basic negative pressure and controls a heating element to maintain the simulated body temperature of a sweat box so as to accelerate volatilization of bionic sweat; intermittently opening according to the human body resting frequency to release carbon dioxide in a pulse manner; carbon dioxide and sweat are mixed through the fluid director and spread all around to form a bionic induction field, and when mosquitoes are attracted to the position near the shell, the mosquitoes are sucked by the negative pressure fan to an anti-escape gauze in the mosquito storage drawer. After the visual identification module monitors that aedes appear in the induction area and accurate confirmation is carried out through a deep learning algorithm, a feedback signal is sent to the single-chip microcomputer to trigger intelligent closed-loop control; the single-chip microcomputer dynamically adjusts the carbon dioxide pulse frequency and temperature control parameters according to the number of the mosquitoes to enhance the induction intensity, so that the mosquitoes are dehydrated and air-dried under the action of continuous airflow, and recognition and counting results are uploaded to the cloud platform.

The invention provides a carbon dioxide energy storage system combined with a magnesium oxide and ammonium chloride co-production system and a control method thereof, and belongs to the technical field of energy storage. The carbon dioxide energy storage system comprises a compression energy storage module, a liquid storage container, an expansion power generation module and a gas storage which are sequentially connected in a closed loop mode, and further comprises a waste heat utilization module. The waste heat utilization module is configured to be capable of absorbing waste heat in flue gas generated by the magnesium oxide production subsystem and waste heat of carbon dioxide separated by the flue gas treatment subsystem, and is configured to be capable of supplying heat to the expansion power generation module in an energy release stage; the gas storage is configured to be capable of temporarily storing gaseous carbon dioxide separated from the flue gas generated by the flue gas treatment subsystem from the magnesium oxide production subsystem; the carbon dioxide energy storage system is configured to be capable of compressing and condensing gaseous carbon dioxide in the gas storage in the energy storage stage, and liquid carbon dioxide is stored in the liquid storage container. The carbon dioxide energy storage system can improve the waste heat utilization rate and reduce the overall cost.

An apparatus and process for capturing carbon dioxide from exhaust output from at least one ship engine on the ship for storage of the carbon dioxide on the ship. The storage of the carbon dioxide on the ship can facilitate delivery of the captured carbon dioxide to a fuel production system at a port of destination or other port that the ship may arrive at to provide the captured carbon dioxide to the fuel production system. The fuel production system may then use the carbon dioxide to form a fuel (e.g. methane, methanol, etc.). The fuel that is produced can be provided to other ships at the port. The carbon capture system can utilize membranes, adsorption, and / or absorption for capturing the carbon dioxide. The carbon dioxide can be stored on the ship in at least one storage vessel of the ship.

The invention discloses an aquarium water-gas interface carbon dioxide gas monitoring linkage control device and method, and belongs to the technical field of aquarium related equipment. The aquarium water-gas interface carbon dioxide gas monitoring linkage control device comprises a container body with an opening in the lower portion, and the opening of the container body is immersed into a water body of an aquarium water-gas interface; the gas enrichment cavity collects carbon dioxide which is dissolved in a water body and escapes from a water-gas interface in the area, the carbon dioxide passes through the vent hole and is detected by the sensing detection unit through the waterproof breathable film to generate carbon dioxide concentration data, and the control unit calculates the carbon dioxide partial pressure slope and the carbon dioxide escape flux according to the carbon dioxide concentration data; the carbon dioxide output of the carbon dioxide supply assembly is controlled based on the carbon dioxide escape flux. The system can monitor carbon dioxide dissolution in a water body in real time, timely reflect the carbon dioxide concentration change dynamic state of the water body, automatically control the supply amount of carbon dioxide, ensure the stability of photosynthesis of green plants in the aquarium, and realize dynamic balance of the carbon dioxide dissolution amount of the water body.

The application provides a kind of based on multi-field coupling's bionic mineralization reinforced soil method, belongs to geotechnical engineering technical field.The bionic mineralization reinforced soil method includes: first, the soil quality of target area is detected, obtains soil structure type, calculates soil structure correction coefficient, gas correction coefficient and calcium ion correction coefficient;Then, vacuum preloading system and ultrasonic excitation system are arranged in target area at intervals, based on soil structure type and soil structure correction coefficient, the working parameters of vacuum preloading system and ultrasonic excitation system are set, vacuum preloading system and ultrasonic excitation system are opened in turn, and reinforcing solution containing calcium source and bionic crystal form control agent is injected into target area;Finally, stop injecting reinforcing solution, ammonia and carbon dioxide are injected in turn, carbon dioxide is converted into carbonate ion under ammonia atmosphere and bionic mineralization reaction occurs with reinforcing solution, so as to reinforce target area.

The utility model relates to the technical field of smoke and poison gas absorption vehicles, in particular to a movable smoke and poison gas absorption vehicle, which is characterized in that sulfur dioxide in waste gas is in contact with a hot copper oxide rod and then chemically reacts to generate copper sulfate, so that the sulfur dioxide in the waste gas can be removed; carbon monoxide in the waste gas is in contact with the hot copper oxide rod and then is subjected to chemical reaction, the carbon monoxide is converted into carbon dioxide, the carbon dioxide enters a calcium hydroxide aqueous solution and then is subjected to chemical reaction with calcium hydroxide in the calcium hydroxide aqueous solution, calcium carbonate is generated, and harmful substances such as carbon monoxide, sulfur dioxide and smoke dust in contaminated air are all removed; clean air is discharged from the air outlet and can be directly discharged into the atmosphere, when the place of the absorption vehicle needs to be replaced, the compartment is directly pushed, the universal wheels at the bottom of the compartment can bring the compartment to the wanted place, and the absorption vehicle is small in appearance, small in occupied area, easy to operate and capable of purifying various harmful substances at the same time.

An apparatus and process for capturing carbon dioxide from exhaust output from at least one ship engine on the ship for storage of the carbon dioxide on the ship. The storage of the carbon dioxide on the ship can facilitate delivery of the captured carbon dioxide to a fuel production system at a port of destination or other port that the ship may arrive at to provide the captured carbon dioxide to the fuel production system. The fuel production system may then use the carbon dioxide to form a fuel (e.g. methane, methanol, etc.). The fuel that is produced can be provided to other ships at the port. The carbon capture system can utilize membranes, adsorption, and / or absorption for capturing the carbon dioxide. The carbon dioxide can be stored on the ship in at least one storage vessel of the ship.

The plant (1; 301; 401) comprises a heat exchanger (37; 337; 437) adapted to receive compressed flue gas containing carbon dioxide, and condense at least part of the carbon dioxide contained therein. A a carbon dioxide removal unit (39;39; 439) of the plant is adapted to remove liquefied carbon dioxide from the flue gas exiting the heat exchanger (37;337; 437). A carbon dioxide outlet duct (61; 391; 479) extends through the heat exchanger (37; 337; 437). The plant further includes a distillation section (6; 306; 406). The distillation section includes a distillation column (201; 360, 501), a reboiler (203; 363; 505) at the bottom of the distillation column (201; 360; 501) and an overhead condenser (205; 361; 503) at the top of the distillation column (201; 360; 501). Also disclosed herein is a method for removing carbon dioxide form a flue gas.

The utility model discloses a device for detecting inorganic carbon in soil, which relates to the technical field of soil detection, and comprises a reactor and a non-dispersive infrared detector, one end of the top of the reactor is connected with a gas inlet pipe, the end part of the gas inlet pipe is connected with a nitrogen cylinder, and one end of the middle part of the gas inlet pipe is provided with a pressure stabilizing valve; a flow stabilizing valve is arranged at the other end of the middle of the air inlet pipe. According to the device for detecting the inorganic carbon in the soil, through the arrangement of the nitrogen cylinder, after a sample is put into the reactor and is sealed, high-purity nitrogen is purged to remove original carbon dioxide in the reactor, and then diluted hydrochloric acid in the liquid storage tank is injected into the reactor by the hydrochloric acid pump, so that carbonate in the sample in the reactor and hydrochloric acid are subjected to oxidation reaction; wherein the carbon element is completely decomposed and oxidized into carbon dioxide, the carbon dioxide is condensed and dehydrated by an electronic condenser, then is dried by a Nafion drying tube, and then is detected by a non-dispersive infrared detector.

Described herein are methods and systems for generating CO2 clathrate hydrates, for compaction of CO2 hydrates into a plug, and sealing the plug into a container to prevent dissociation of the plug. The disclosed methods and systems advantageously allow for the rapid formation of CO2 clathrate hydrates in water and sealing the CO2 clathrate hydrate in a container for long term storage on the seabed. CO2 clathrate hydrates can be useful for CO2 sequestration and securely storing the CO2 clathrate hydrate as a solid.

A power system includes a gas turbine engine including, in serial flow relationship defining a flow passage, a compressor section, a combustion section, a turbine section, and an exhaust section, the gas turbine engine generating exhaust gas that includes a baseline amount of carbon dioxide by volume within the exhaust gas. A carbon capture unit is arranged downstream of the gas turbine engine and processes the exhaust gas output by the gas turbine engine to capture the carbon dioxide contained in the output exhaust gas. A carbon dioxide reinjection system is arranged to reinject at least a portion the carbon dioxide captured from the output exhaust gas by the carbon capture unit into the flow passage of the gas turbine engine.

The utility model relates to the technical field of underground coal gasification, and provides an active cooling device for underground coal gasification, which comprises a carbon dioxide capturing device, a cooling device and a cooling device, the carbon dioxide cooling and storing device is connected with the carbon dioxide capturing device, and the carbon dioxide cooling device is used for cooling and storing the captured carbon dioxide; the gasification cavity sealing device is used for sealing the gasification cavity after gasification is finished; and the carbon dioxide pressurizing and injecting device is connected with the carbon dioxide cooling and storing device, and the carbon dioxide pressurizing and injecting device pressurizes and injects the cooled and stored carbon dioxide into a gas injection well. A carbon dioxide gas injection active cooling mode is adopted, so that the inner wall of a combustion space area cannot generate cracks due to drastic temperature change; moreover, carbon dioxide in the gasification process is used as a coolant, so that the collaborative operation of gasification and carbon sealing can be realized, and the target of zero emission is achieved.

The invention provides a method for synthesizing 2, 5-furandicarboxylic acid through furoic acid and bicarbonate, and relates to the technical field of chemical synthesizing.The method for synthesizing 2, 5-furandicarboxylic acid through furoic acid and bicarbonate comprises the following steps that raw materials including furoic acid, basic metal salt and bicarbonate are taken and placed in water to react, drying and smashing are conducted after the reaction is completed, and the furoic acid is obtained; the bicarbonate comprises cesium bicarbonate, and the furoic acid solid mixture is obtained; taking the furoic acid solid mixture, placing the furoic acid solid mixture under the pressure of 0.8-2MPa, heating to 240-320 DEG C, and reacting for more than 15 hours to obtain 2, 5-furandicarboxylate; and dissolving the 2, 5-furandicarboxylic acid salt in water, and acidifying with hydrochloric acid to obtain the 2, 5-furandicarboxylic acid. The bicarbonate is heated and decomposed to generate carbon dioxide, the carbon dioxide produces a large number of pores in the furoic acid solid mixture, the gas-solid interface surface area is greatly increased, the gas-solid interface reaction is accelerated, the gas-liquid reaction efficiency is improved, and the energy consumption is reduced.

Cooling system using underground cooling energy, characterized in that it comprises the following: a cabinet, wherein the cabinet is provided with a housing, wherein the housing is provided with a module to be cooled and a coolant for immersion cooling of the module to be cooled; an underground cave facility used to provide natural underground cooling energy; A circulating cooling system comprising a first heat exchanger, a carbon dioxide storage tank, a circulation pump, and a second heat exchanger, wherein the first heat exchanger is located within the underground cave facility and is used to absorb the natural cooling energy within the underground cave facility, while the second heat exchanger is located within the enclosure and is used to absorb the thermal energy of the cooling fluid, wherein the carbon dioxide storage tank is used to store liquid carbon dioxide, wherein an outlet end of the carbon dioxide storage tank is connected via a first pipe to a first end of the second heat exchanger, and wherein a second end of the second heat exchanger is connected via a second pipe to a first end of the first heat exchanger.wherein a second end of the first heat exchanger is connected via a third pipe to a return line of the carbon dioxide storage tank and forms a circulation line, wherein at least one of the first pipe, the second pipe and the third pipe is equipped with a circulation pump to drive the flow of liquid carbon dioxide within the circulation line.

The invention discloses a biogas comprehensive utilization system for preparing sustainable aviation fuel raw oil, comprising: a biomass fermentation device for producing biogas; the moving bed water-based chemical looping hydrogen production device is used for producing hydrogen by taking methane and steam in the biogas as raw materials and capturing carbon dioxide produced in the hydrogen production process; the carbon dioxide dry reforming device is used for converting methane and carbon dioxide in the biogas and carbon dioxide from the moving bed water-based chemical looping hydrogen production device into synthesis gas; the Fischer-Tropsch synthesis reaction device is used for mixing synthesis gas from the carbon dioxide dry reforming device with hydrogen from the moving bed water-based chemical-looping hydrogen production device to synthesize hydrocarbon products, the biogas is pretreated and then divided into two paths, one path enters the moving bed water-based chemical-looping hydrogen production device, and the other path enters the moving bed water-based chemical-looping hydrogen production device; and the other path enters the carbon dioxide dry reforming device. The utilization rate of biomass can be increased.

A waste processing system comprising a carbon dioxide production plant configured to receive a gas including carbon monoxide and convert carbon monoxide in a first portion of the gas to carbon dioxide gas; a carbon dioxide processing plant configured to receive a first portion of the carbon dioxide gas and convert the first portion of the carbon dioxide gas from a gaseous state to a different state; and / or a methanol production plant configured to receive a second portion of the gas from the carbon dioxide production plant and produce methanol using the second portion of the gas.

The invention discloses a mosquito trapping method and device, and belongs to the technical field of pest control. The method includes electrolyzing oxalic acid solution to generate carbon dioxide; carbon dioxide enters a main airflow channel with a local reducing structure in a pulse mode, and when the carbon dioxide passes through the reducing structure, an instantaneous low-static-pressure area is formed at the reducing structure; the low-static-pressure area is communicated with the mosquito luring agent below the low-static-pressure area, the mosquito luring agent is communicated with the outside through the microporous membrane, when the low-static-pressure area is generated in the main airflow channel, odor molecules formed by volatilization of the mosquito luring agent are sucked into the main airflow channel under the action of differential pressure, and the sucked odor molecules of the mosquito luring agent are mixed with carbon dioxide in the reducing structure, so that the mosquito luring agent is formed. And the air flow stably flows along with the main air flow in the subsequent expanding section of the main air flow channel and is synchronously released to the external space in the form of single composite air flow. The mosquito trapping device is applied to mosquito trapping and solves the problems that an existing mosquito trapping method cannot attract mosquitoes strongly and is low in trapping efficiency and small in trapping range.

The invention relates to a power system with a gas turbine engine. Specifically, a power system includes a gas turbine engine including a compressor section, a combustion section, a turbine section, and an exhaust section defining a flow passage in a series flow relationship, the gas turbine engine generating an exhaust gas including a fundamental volume amount of carbon dioxide within the exhaust gas. The carbon capture unit is disposed downstream of the gas turbine engine and processes exhaust gas output by the gas turbine engine to capture carbon dioxide contained in the output exhaust gas. The carbon dioxide reinjection system is arranged to reinject at least a portion of the carbon dioxide captured by the carbon capture unit from the output exhaust gas into the flow passage of the gas turbine engine.

The present invention relates to a blue carbon process and a blue carbon process system for direct air carbon capture and storage. The natural energy such as wind energy, solar energy and wave energy is used. Only natural seawater (without artificial chemicals) is used to directly capture and store carbon dioxide from air. Amount of the carbon dioxide is measured and calculated. To achieve the climate goal of “net zero” carbon emission, a low-cost and large-scale net negative emission solution with zero carbon footprint, zero artificial chemical footprint and zero land footprint is provided.

To intend to recover and use effectively carbon dioxide released into air, the carbon dioxide is problematic as a green house gas.SOLUTION: A concrete curing apparatus includes a curing tank where the concrete to be cured is placed, and a carbon dioxide separation and recovery cartridge in which a carbon dioxide adsorption-release agent is housed, this agent is placed in the curing tank, adsorbs carbon dioxide, and releases carbon dioxide at a temperature higher than that at which it was adsorbed. It is preferable that the curing tank has an insulating structure. The curing tank may also be equipped with a heating means to heat the concrete. The curing tank may have a first tank where the concrete is placed and a second tank adjacent to the first tank where the carbon dioxide adsorption-release agent is placed. A vacuum pump that depressurizes the first tank and a valve between the first and second tanks may also be provided.SELECTED DRAWING: Figure 1

Provided is an integrated system for DAC and data center residual heat air recovery. The system comprises: a waste heat recovery and utilization unit, a carbon dioxide adsorption and desorption unit, a gas-liquid separation unit and a carbon dioxide liquefaction and storage unit, wherein the waste heat recovery and utilization unit is used for recovering heat in hot air discharged by a data center, and is used for producing steam; the carbon dioxide adsorption and desorption unit is used for separating and capturing carbon dioxide; the gas-liquid separation unit is used for separating water vapor from carbon dioxide; and the carbon dioxide liquefaction and storage unit is used for the compression and storage of carbon dioxide. By combining DAC and data center residual heat air recovery, heat energy and a wind pressure which are discharged by a data center are used for perfectly solving the problems of air induction energy consumption and desorption which are required by the DAC, not only implementing the recovery and utilization of residual heat of the data center, but also capturing carbon dioxide in air on this basis, thereby achieving the aim of negative carbon.

The invention provides an electrochemical synthesis method of furandicarboxylic acid and derivatives thereof, and belongs to the technical field of high-value utilization and green catalysis of biomass resources. According to the invention, furan and a derivative thereof are used as starting raw materials and are coupled with carbon dioxide under an electrochemical condition to prepare the furandicarboxylic acid derivative. Comprising the following steps: in an electrochemical reaction tank, taking an aromatic compound with a furan structure as a substrate, adding a solvent and an electrolyte, and introducing carbon dioxide; carbon dioxide generates carbon dioxide free radicals under cathode activation, the carbon dioxide free radicals are combined with a substrate to generate a coupling intermediate, the coupling intermediate is subjected to hydrogen atom transfer with an anodized mediator, and after acidification, furandicarboxylic acid and derivatives thereof are generated. The method does not need a homogeneous metal catalyst, is mild in condition, green and safe, easy in scale amplification, high in product yield and easy in separation and purification, and is suitable for industrial green production.

A concrete emulsion comprising a cement, aggregate, water, and carbon dioxide is provided. The carbon dioxide may be liquid or supercritical and is dispersed in the concrete emulsion composition. A method of producing a concrete emulsion composition is also provided. The method includes mixing a cement, aggregate, and water to form a hydrated concrete composition, and emulsifying the hydrated concrete composition with liquid or supercritical CO2. An article comprising the concrete emulsion composition is provided. Further, a method of treating a wellbore comprising producing a concrete emulsion composition and pumping the concrete emulsion composition into a wellbore, and a method of manufacturing an article comprising producing a concrete emulsion composition and 3D printing the concrete emulsion composition are also provided.

The application discloses a treatment method of dimethyl sulfoxide-containing rectification wastewater. The method adopts micro-nano bubble reinforced dielectric barrier discharge oxidation to treat the dimethyl sulfoxide-containing rectification wastewater, and an activated carbon layer plate is used to adsorb and concentrate volatile organic compounds generated in the dimethyl sulfoxide oxidation process. The volatile organic compounds are desorbed by steam at high temperature, and then are introduced into a micro-nano bubble generator as a gas source. The volatile organic compounds are oxidized into carbon dioxide by hydroxyl radicals and active oxygen molecules generated by the dielectric barrier discharge after entering water. The carbon dioxide reacts with sodium hydroxide in water, so that the system gas pressure balance is maintained, the water body pH is reduced, and finally the effluent can be directly used as influent of a reclaimed water reuse system for reuse.

The invention discloses stirring equipment for recycled aggregate concrete and a control method of the stirring equipment. The stirring equipment comprises a stirring bin, a stirring assembly is arranged in the stirring bin, and a circulating heating pipe set is arranged on the peripheral side of the stirring bin; the heating cylinder is communicated with the circulating heating pipe group to form a circulating flow channel for circulating a heat exchange medium; the carbon dioxide storage tank communicates with the interior of the stirring bin and is used for providing carbon dioxide into the stirring bin; the carbon dioxide generating device comprises a combustion furnace and a gas collecting pipe, one end of the gas collecting pipe is communicated with the combustion furnace, the other end of the gas collecting pipe is communicated with the carbon dioxide storage tank, and the middle of the gas collecting pipe is a coil pipe section which is arranged in the heating cylinder to heat the heat exchange medium in the heating cylinder. According to the system and the method, the utilization efficiency of energy and substances is improved, emission and waste are reduced, a closed-loop production mode from recycled aggregate production and carbonization treatment to finished concrete production is formed through combination of hardware equipment and a software control system, and the overall efficiency and sustainability of an industrial chain are improved.

The invention discloses a land carrier tail gas carbon capture device and method, and relates to the technical field of tail gas treatment.The land carrier tail gas carbon capture device comprises a flow dividing structure, an inlet of the flow dividing structure is used for being connected with a land carrier, and a first outlet of the flow dividing structure is used for being communicated with the atmosphere; an inlet of the carbon dioxide separation structure is connected with the second outlet of the flow dividing structure, and the carbon dioxide separation structure is used for separating carbon dioxide; an inlet of the carbon dioxide storage structure is connected with the first outlet of the carbon dioxide separation structure, and the carbon dioxide storage structure is used for storing carbon dioxide. The exhaust back pressure is prevented from exceeding the normal tolerable range of the internal combustion engine, and then normal work of the internal combustion engine is not affected.

The utility model belongs to the technical field of carbon recovery, and discloses a carbon dioxide capturing and collecting device and an atmospheric carbon collecting and storing system. The carbon dioxide capturing and collecting device comprises a container body, a carbon dioxide collecting module and a carbon dioxide storage module, an air inlet channel and an air outlet channel are arranged on the two sides of the first cavity respectively, and a fan set is arranged at the air outlet channel; the carbon dioxide collecting module is located between the air inlet channel and the fan set and can adsorb or release carbon dioxide. The carbon dioxide storage module comprises a pretreatment piece and a storage piece which are connected through a pipeline. The container body is arranged, and the carbon dioxide collecting module and the carbon dioxide storage module are integrated in the container body, so that the deployment flexibility of the carbon dioxide capturing and collecting device is improved, the device is not limited by geographical environments, the deployment difficulty and cost can be effectively reduced, and large-scale popularization and application are facilitated.