17 results about "Increased carbon dioxide" patented technology

This invention discloses an apparatus and method for separating carbon dioxide and nitrogen using an inorganic membrane. The apparatus includes at least: a metal outer shell with a mixed gas inlet, a permeate-side outlet, and a residual gas outlet; multiple membrane tubes arranged laterally within the outer shell, sealed and fixed within the shell by a tube sheet to form a shell side and a tube side; the membrane tubes are a structure combining a support and a separation membrane, the separation membrane being a molecular sieve membrane; and multiple baffles arranged radially and alternately along the membrane tubes to form a baffled gas channel. This invention, by using a microporous inorganic molecular sieve membrane as the separation medium and incorporating baffles outside the membrane tubes within the outer shell, effectively increases the separation efficiency of carbon dioxide and nitrogen, thereby significantly improving the performance of membrane separation in capturing carbon dioxide from flue gas.

The utility model belongs to the technical field of spirulina cultivation equipment, and particularly discloses a spirulina cultivation liquid carbon source supplementing device which comprises a supplementing cover, a first ventilation pipe and a second ventilation pipe are connected to the lower portion in the supplementing cover, a plurality of air outlet holes are formed in the first ventilation pipe and the second ventilation pipe, and the first ventilation pipe is connected with an air supply pipe. The second breather pipe is connected with a circulating pipe, the other end of the circulating pipe is connected with a fan, the fan is connected with an exhaust pipe, the exhaust pipe is communicated with the top of the supplementing cover, a carbon dioxide sensor is installed on the exhaust pipe, an electromagnetic gas valve is installed on the gas supply pipe, the carbon dioxide sensor is in communication connection with the controller, and the electromagnetic gas valve is controlled by the controller. The first ventilation pipe and the second ventilation pipe are arranged below the liquid level of the breeding liquid and provided with the air outlet holes, carbon dioxide is introduced into the breeding liquid, the contact time and the contact area of carbon dioxide gas and the breeding liquid can be increased in the floating process of the carbon dioxide, and the carbon dioxide absorption efficiency of the breeding liquid is improved.

The application discloses a saline-alkali soil treatment system and a treatment method, and belongs to the technical field of soil improvement.The application solves the problems of the existing saline-alkali soil improvement methods, such as incomplete improvement, increased carbon dioxide emission, salt return phenomenon, and unsuitable soil for crop growth after improvement.The saline-alkali soil is divided into upper and lower parts, a percolation pipe is arranged in the upper saline-alkali soil layer, water on the surface of the upper saline-alkali soil layer is rapidly infiltrated into the inside of the soil through the pipe wall of the percolation pipe, and the leaching effect and efficiency are improved;the percolation channel and the conveying channel with the biomass filter column arranged in the lower saline-alkali soil layer, the salt in the saline-alkali soil is eluted and enriched in the soil while the leaching water flows, and the salt dissolved in the leaching water is guided into the adsorption layer in cooperation with the electro-osmosis and vacuum system, and the crystallization rate of the salt in the adsorption layer material is improved through heating strengthening, and then the total salt extraction rate and removal rate are improved.

The invention provides a fluidized bed and method for capturing carbon dioxide in mineralized industrial waste gas, and relates to the field of carbon dioxide mineralization. According to the method, purified carbon dioxide is divided into two branches, one branch is used for mixing concrete raw materials, and the other branch is used for ventilating mixed concrete; a mixing mechanism is arranged, carbon dioxide gas and water are mixed firstly, and then liquid in which carbon dioxide is dissolved is mixed with concrete aggregate; a fluidized bed is arranged and used for ventilating the mixed concrete, the inlet end of the fluidized bed is connected with the input mixed concrete, and the concrete mixed with carbon dioxide is discharged from the outlet end of the fluidized bed. According to the method for capturing the carbon dioxide in the mineralization industrial waste gas, the carbon dioxide is introduced into the concrete in two times, the use amount of the carbon dioxide in the mineralization process is increased, especially the step of dissolving the carbon dioxide in water is increased, the use amount of the carbon dioxide is increased, and mineralization of the carbon dioxide is better achieved.

This utility model relates to the field of improving lean liquor quality. It addresses the problem that low lean liquor quality leads to increased carbon dioxide levels in the system, ultimately hindering the stable operation of the ammonia synthesis process. This utility model provides a decarbonization device system for improving lean liquor quality in ammonia synthesis, including a regeneration tower, an absorption tower, a separation unit, a semi-lean liquor unit, a lean liquor unit, multiple processing mechanisms, and a flash evaporation unit. The semi-lean liquor unit is connected to the middle of the regeneration tower. A flash evaporation unit is located between the semi-lean liquor unit and the absorption tower. The lean liquor unit is connected to the bottom of the regeneration tower. Multiple processing mechanisms are connected in parallel between the lean liquor unit and the absorption tower. The separation unit is connected to the top of the regeneration tower. The ammonia decarbonization device system for improving lean liquor quality provided by this utility model can improve the quality of lean liquor and ensure the stable operation of the ammonia synthesis process.

The utility model discloses a kind of carbon dioxide booster pump phase separators, specifically related to phase separator technical field, including separation shell, the inner side end surface of separation shell is equipped with annular baffle, the inside of separation shell is equipped with sealing mounting plate in the upside of annular baffle, the middle part of sealing mounting plate lower end is equipped with flow guide pipe, the lower end of flow guide pipe is equipped with multiple support connecting rods.The utility model is actually used, when carbon dioxide enters the both sides of filter diaphragm under the corresponding setting state of filter diaphragm, annular gas duct, flow guide plate and exhaust pipe, the flow path of carbon dioxide is adjusted by the flow guide plate set, thereby increasing the time length of carbon dioxide and filter diaphragm contact, thereby effectively increasing the efficiency and effect of filter diaphragm to carbon dioxide filtration, and filtered gas is then gathered inside annular gas duct, and is discharged outward from exhaust pipe and exhaust connecting pipe.

The application provides a carbon dioxide liquefaction method, device and ship for a ship, the carbon dioxide liquefaction method for the ship comprising the following steps: compressing carbon dioxide gas to increase the pressure and temperature of the carbon dioxide gas; compressing and expanding air to obtain a heat exchange medium with a temperature lower than that of the carbon dioxide gas; and exchanging heat between the heat exchange medium and the carbon dioxide gas to obtain carbon dioxide liquid. The carbon dioxide liquefaction method for the ship solves the problem of high global warming potential and global warming potential of the commonly used low-temperature liquefied refrigerant of the carbon dioxide gas for the ship by using environmentally friendly air as a refrigerant. Meanwhile, the mechanical energy generated by the air expansion can be output to the first compressor in the process of air expansion, so that the system working efficiency is improved and the system energy consumption is reduced while refrigeration is achieved.

The present application relates to the field of alkali production, and particularly relates to a combined alkali production soda ash carbonization tower, which comprises a tower body and a tower plate assembly, the tower plate assembly comprises a cap and a sieve plate, sieve holes are formed in the bottom of the sieve plate, a flow guide pipe is connected downward in the sieve holes, a rotating pipe is coaxially arranged on the flow guide pipe, the rotating pipe is rotationally connected with the flow guide pipe, the bottom of the rotating pipe is connected with a curved pipe, the rotating pipe is connected to the middle of the curved pipe, and liquid outlets are arranged at the two ends of the curved pipe, the present application has the following beneficial effects: the ammonia mother liquor flows out of the sieve holes and is sprayed by the curved pipe, so that the ammonia mother liquor is more fully contacted with the carbon dioxide gas, the flow speed of the carbon dioxide gas is increased by the rotation of the fan blades, the absorption efficiency of the ammonia mother liquor for the carbon dioxide gas is further increased, and the reaction is more sufficient.

The utility model relates to flue gas separation technical field discloses a kind of integrated device of coal-fired power plant carbon dioxide capture coupling synthetic fuel preparation, and the integrated device of coal-fired power plant carbon dioxide capture coupling synthetic fuel preparation includes installation platform, carbon dioxide capture component and synthetic fuel preparation component, carbon dioxide capture component is located on installation platform, carbon dioxide capture component is communicated with the flue gas outlet of coal power plant, for capturing carbon dioxide in flue gas;Synthetic fuel preparation component includes first inlet and second inlet, first inlet is communicated with the carbon dioxide outlet of carbon dioxide capture component, second inlet is input hydrogen, and synthetic fuel preparation component is used to form liquefied hydrocarbon with hydrogen and carbon dioxide reaction.According to the integrated device of coal-fired power plant carbon dioxide capture coupling synthetic fuel preparation of the utility model, avoid the secondary compression, long-distance transportation and intermediate storage etc. link when carbon dioxide synthetic fuel, increase the utilization rate of carbon dioxide.

The utility model discloses a manual high-frequency jet ventilation connecting pipe capable of monitoring CO2, which belongs to the technical field of medical instruments and comprises a ventilation pipe, a connector and a monitoring structure, and the connector is fixedly mounted at one end of the ventilation pipe; an O2 injection pipe and an air injection pipe are arranged in the breather pipe; the monitoring structure comprises a gas guide pipe, a CO2 monitoring pipe and a dismounting structure, the gas guide pipe is arranged in the breather pipe and the connector, the two ends of the gas guide pipe extend out of the breather pipe and the connector respectively, and the CO2 monitoring pipe is arranged on the side, close to the connector, of the gas guide pipe. According to the manual high-frequency injection ventilation connecting pipe capable of monitoring CO2, a CO2 monitoring instrument can be conveniently connected through the connecting threads at the top of the gas guide pipe, real-time monitoring of CO2 can be achieved through cooperative use of the CO2 monitoring pipe and the CO2 monitoring instrument, air can be introduced through the air injection pipe, dispersion of the carbon dioxide is increased, accumulation of the carbon dioxide is reduced, and the CO2 monitoring efficiency is improved. Complications such as carbon dioxide anesthesia are prevented.

This invention provides a construction material that is sustainable and environmentally friendly, and a ground improvement method using it, which can be used for structures as well as ground improvement applications, by using materials that can be supplied stably and do not cause environmental problems such as environmental pollution or increased carbon dioxide emissions. [Solution] A construction material whose main component is incinerated ash obtained by burning waste derived from marine and / or land products, wherein amorphous silica incinerated ash is the main component and Ca-containing incinerated ash containing at least Ca is used as a reactant, and which is used for structural purposes or as a solidifying agent in chemical grouting, high-pressure jet mixing, or mixing-type ground improvement methods. A ground improvement method using the above construction material when improving the ground by chemical grouting, high-pressure jet mixing, or mixing-type ground improvement methods.

Cementitious compositions comprising lime, which may be foamed or non-foamed compositions, may increase carbon dioxide uptake of the cementitious compositions. Said cementitious compositions may be used in various cementing methods including pre-casting methods, cast-in-place methods, and primary or secondary cementing operations in a wellbore. The carbon dioxide may be added to the cementitious compositions during mixing, during pre-conditioning, during curing, or any combination thereof. Further, the carbon dioxide may be delivered as a gas (e.g., a gas that includes 1 vol % to 100 vol % carbon dioxide) or as a gas-entrained admixture that includes the gas, water, and a foaming agent.

The utility model discloses a machine capable of increasing open type circulation oxygen. The machine comprises a groove body, a bottom frame, supporting legs, a discharge pipe, a reflux pump, a reflux pipe, a supporting frame, a duckbilled pipe, a splitter plate, triangular protrusions and other structures. A splitter plate is obliquely arranged at the top of the tank car, a plurality of triangular protrusions are arranged on the upper surface of the splitter plate, and a duckbilled pipe is additionally arranged at an outlet of the backflow pipe. After flowing out from the backflow pipe through the duckbilled pipe, wine liquid is dispersed in a fan shape and is more dispersed by colliding with the triangular protrusions on the splitter plate, the contact area between the wine liquid and air is increased, full contact between the wine liquid and the air is achieved, the oxygen introduction efficiency is improved, the release amount of carbon dioxide is increased, and therefore powerful support is provided for improving the fragrance and taste of the wine in the later period.

The present invention provides a carbon dioxide reduction catalyst with which it is possible to increase the adsorption amount of carbon dioxide.　This carbon dioxide reduction catalyst reduces carbon dioxide by hydrogenating carbon dioxide and hydrogen, the catalyst containing iron, gallium, and barium as catalyst metals, and the iron being the main component of the catalyst metals.

Methods and compositions for carbon dioxide (CO2) sequestration in a wellbore. A method includes locating a lost circulation zone in the wellbore during drilling. Methods may further include flushing drilling mud from the wellbore to prepare the lost circulation zone for lost circulation mitigation and injecting a cleaning solution into the wellbore. Then, injecting a composition for CO2 sequestration into the wellbore, where the composition may include a brine solution, an alkali and / or an alkaline compound, and a catalyst. The method may further include injecting a volume of CO2 into the wellbore, mineralizing the alkali and / or the alkaline compound and the volume of CO2 to produce an alkali and / or alkaline carbonate compound, injecting drilling mud into the wellbore and resuming drilling operations.

The invention discloses a sewage and wastewater carbon dioxide feeding device, which relates to the technical field of gas feeding, and comprises a feeding assembly and a water circulation assembly, the feeding assembly comprises a supporting piece and a discharging piece; the water circulation assembly comprises a water inlet piece, a driving piece and a negative pressure piece; the discharging piece is connected with the supporting piece, the water inlet piece is connected with the supporting piece, the driving piece is connected with the supporting piece, and the negative pressure piece is connected with the driving piece. A plurality of groups of discharge parts which are uniformly distributed in the circumferential direction of a supporting part are arranged, carbon dioxide gas is added into discharge cavities in the discharge parts through aerators, a negative pressure part is driven by a driving part to rotate to form negative pressure, and the carbon dioxide gas is sprayed out from the discharge cavities in the circumferential direction of the supporting part, so that continuous water circulation of sewage and wastewater is realized; carbon dioxide gas is linearly added, the stroke of carbon dioxide in sewage and wastewater is increased, carbon dioxide gas is exhausted upwards within the water column circulation range, the reaction time of carbon dioxide and sewage and wastewater is prolonged, and the contact area of carbon dioxide and sewage and wastewater is increased.

To provide a CO2 capture device that can efficiently store CO2 without increasing the size of the CO2 storage section. [Solution] In a CO2 recovery device, the CO2 recovery unit introduces exhaust gas in the adsorption process and adsorbs CO2 from the exhaust gas, and in the regeneration process, it desorbs the CO2 adsorbed in the adsorption process and discharges the CO2-containing gas. The CO2 storage unit introduces the CO2-containing gas from the CO2 recovery unit, adsorbs CO2, and discharges the residual gas remaining after the CO2 adsorption. A check valve is provided in the discharge passage for the residual gas, allowing the residual gas to flow out in the discharge direction through the discharge passage, while preventing or suppressing the inflow of air in the opposite direction to the discharge direction through the discharge passage.