42 results about "Carbon dioxide output" patented technology

A carbon dioxide generator includes: a storage chamber at the bottom, which is charged with solid that can produce carbon dioxide by adding fluid; a gas chamber above the storage chamber; a fluid inlet and a carbon dioxide outlet on the top of the gas chamber. The storage chamber and the fluid chamber are connected by at least two holes which permit fluid to enter the storage chamber and carbon dioxide to escape from the storage to the fluid chamber. A method of using this generator to produce carbon dioxide includes adding fluid to the generator. It can supply an even and targeted carbon dioxide output, making it useful for attracting bed bugs or mosquitos to bed bug or mosquito traps for detection and/or elimination.

The embodiment of the invention provides a power battery thermal management system including: a battery cooling unit and a battery fire extinguishing unit. In the battery cooling unit, an air cooler outputs cooled gaseous carbon dioxide to the air inlet of an ejector, the ejector inputs the gaseous carbon dioxide entering from the air inlet and the gaseous carbon dioxide injected from an injectingport into a gas-liquid separator, the gas-liquid separator outputs the separated liquid carbon dioxide from a liquid channel port and an expansion valve to a battery cooling evaporator, and the battery cooling evaporator cools the power battery pack by the liquid carbon dioxide. When the power battery pack is on fire, the battery cooling unit stops working. In the battery fire extinguishing unit,the gas-liquid separator outputs the liquid carbon dioxide from a liquid channel port and an electric valve to a nozzle, and the nozzle extinguishes the fire and cools the power battery pack by ejecting the liquid carbon dioxide. The power battery thermal management system handles the thermal runaway of the power battery while cooling the power battery.

Methods and systems generate steam and carbon dioxide mixtures suitable for injection to assist in recovering hydrocarbons from oil sands based on concentration of the carbon dioxide in the mixtures as influenced by temperature of water introduced into a direct steam generator. Increasing temperature of the water to above 200° C. before introduction into the direct steam generator may utilize heat from an electrical power generation unit. Enthalpy of this preheated water impacts amount of fuel needed to burn in the direct steam generator and hence the concentration of the carbon dioxide, which may be below 11% by mass percent of the steam.

The invention discloses a carbon dioxide pressurizing conveying device. A carbon dioxide storage jar of the carbon dioxide pressurizing conveying device is connected with an input end of a liquid-gas separator; an output end of the liquid-gas separator is connected with an input end of a carbon dioxide booster pump; a first output end of the carbon dioxide booster pump is connected with a high-pressure carbon dioxide output end through a heat exchanger and an auxiliary heating box and is also connected with the carbon dioxide storage jar through a high-pressure electronic control servo valve;a second output end of the carbon dioxide booster pump is respectively connected with the output end of the liquid-gas separator and the carbon dioxide storage jar; and a third output end of the carbon dioxide booster pump is connected with the carbon dioxide storage jar through a low-pressure electronic control servo valve and a shielding pump. A high-pressure or low-pressure recycling pipeline is additionally arranged in the carbon dioxide pressurizing conveying device and carbon dioxide discharged during pumping halting and overhauling processes is recycled, so that the carbon dioxide is prevented from being secondarily discharged into atmosphere. The liquid-gas separator is used for performing liquid-gas separation on the mixed-phase carbon dioxide outputted by the carbon dioxide storage jar, so that the absorbing efficiency of the carbon dioxide booster pump is increased.

The invention discloses a device for diffusion and oil discharge of carbon dioxide in a tight oil reservoir, wherein the device includes a temperature control room, a gas storage tank, a temperature and pressure controller and an extraction tank; the temperature control room is used for controlling constancy of the temperature in a diffusion and oil discharge experimental process, and the interiorof the temperature control room is provided with a nuclear magnetic resonance instrument and a reaction kettle, wherein the reaction kettle is located in the nuclear magnetic resonance instrument andused for accommodating dense oil samples; the gas storage tank is used for storing carbon dioxide and transporting carbon dioxide to the reaction kettle; the temperature and pressure controller is used for regulating the temperature and pressure of the storage tank and the temperature control room, so as to analyze diffusion and oil discharge of carbon dioxide with different phase states; the extraction tank is used for extracting petroleum oil components in carbon dioxide outputted by the reaction kettle to be used as detection samples of gas chromatography. The invention also discloses an experimental method for diffusion and oil discharge of the tight oil reservoir. The device and the experimental method can measure the temperature, pressure, oil output capacity and dynamic distribution of residual oil in matrix pores in the process of diffusion and oil discharge of carbon dioxide with different phase states in real time, and help to deeply understand a diffusion and mass transfermechanism of carbon dioxide in tight oil.

The invention discloses an oxygen-enriched combustion tail gas treatment system adopting a low-temperature condensation method, and belongs to the technical field of industrial waste gas treatment. The tail gas treatment system comprises a carbon dioxide capturing device communicating with a tail gas end of an oxygen-enriched combustion device; the oxygen-enriched combustion device comprises a combustion furnace, an oxygen supplier for providing oxygen for combustion in the combustion furnace, and a tail gas treater communicating with an exhaust end of the combustion furnace and used for purifying and outputting carbon dioxide gas; the carbon dioxide capturing device comprises a condensation cavity, a cold source for providing a cold capacity to the condensation cavity, a liquefying cavityseparated from the condensation cavity through an openable sealing plate, and a liquid storage tank for collecting liquid in the liquefying cavity; a heat exchange coil is arranged at the bottom of the liquefying cavity; a gas outlet communicating with the condensation cavity is formed in the side wall of the liquefying cavity; and after carbon dioxide output from the tail gas treater is introduced in the heat exchange coil, the heat exchange coil communicates with the condensation cavity. The tail gas treatment system can realize pressurization without using additional energy, and improves the energy utilization rate.

The invention discloses a continuous drying device and method for a mesoporous powder material and relates to a mesoporous powder material. The outlet valve of a carbon dioxide steel cylinder is connected with the input opening of a high-pressure pump through a condenser; the output opening of the high-pressure pump is connected with a buffer still through a pressure-reducing valve; the carbon dioxide output opening of the buffer still is connected with the inlet of a first stop valve; the outlet of the first stop valve is connected with a spray nozzle; the outlet of a storage tank is connected with a plunger metering pump; the outlet of the plunger metering pump is connected with the spray nozzle through a preheater and a check valve; the spray nozzle is connected with a drying kettle; the gas outlet in the top of the drying kettle is connected with a gas flowmeter; the mesoporous powder material outlet in the lower part of the drying kettle is connected with a discharging kettle through a second stop valve; carbon dioxide is exhausted from the outlet of the discharging kettle through a third stop valve. Carbon dioxide is fed into the spray nozzle and is introduced into the drying kettle; wet materials are fed into the same spray nozzle, pre-expanded, sprayed by the spray nozzle and then fed to the drying kettle; after the sprayed materials are dried, the mesoporous powder material is collected in the discharging kettle. According to the continuous drying device and method, wet mesoporous materials can be quickly dried and continuously discharged, and thus continuous supercritical drying of the mesoporous power materials is realized.

A fuel tank and a motor vehicle equipped to recapture, store and recycle atmospheric carbon dioxide is disclosed. In one embodiment, such a vehicle includes a fuel tank which stores carbon dioxide in a same area with the combustible fuel of the vehicle. The fuel tank may include one or more pistons, baffles, bladders, or fixed dividers to separate carbon dioxide storage from fuel storage within a fuel tank area. The fuel tank may share volumetric space between carbon dioxide and fuel within the fuel tank. The fuel tank may be integrally formed into a carbon fiber vehicle body. The fuel tank may be integrally formed into a frame of a vehicle.

The invention discloses a closed backflow type respiratory metabolism heat measuring system and method for small animals, the system comprises a breathing cabin, a temperature and humidity control device, an oxygen supply device and a carbon dioxide absorption and harmful gas removal device, and the precise measurement of the daily unit metabolism weight heat production of the small animals is realized. The air pressure difference inside and outside the cabin body is accurately calculated and controlled by adopting an iterative algorithm, the amount of oxygen entering the cabin body is controlled by combining the oxygen concentration in the cabin body, the oxygen consumption is measured in real time, the volume of carbon dioxide generated by digestion and metabolism of test animals is collected and measured, and the average weight of the test animals is obtained in real time. According to the average daily oxygen consumption, the average daily carbon dioxide output and the average weight in the official determination stage, calculating the heat production per unit metabolism weight per day.

Zero emission nested-loop (ZEN) reforming provides a scalable, eco-friendly process to produce high quality hydrogen at a relatively low operating cost. In one embodiment, a ZEN system comprises a reactor, a regenerator, and a photocatalytic reformer. During operation, the reactor receives a gas mixture and outputs hydrogen and catalyst adsorbed with carbon dioxide. The gas mixture is methane, steam, or hydrogen. Next, the regenerator receives the catalyst adsorbed with carbon dioxide and outputs carbon dioxide and desorbed catalyst. Next, the photocatalytic reformer receives carbon dioxide output by the regenerator and outputs methane and oxygen. The reactor receives at least some of the methane output by the photocatalytic reformer. By recycling methane in this way, the need for additional methane to fuel the system is reduced. The ZEN reforming system provides a novel technique to convert greenhouse gas emissions and carbon dioxide into oxygen and reusable methane gas.

The invention relates to an energy output system applied to a urea plant. The urea plant comprises a carbon dioxide multi-stage centrifugal compressor. The multi-stage centrifugal compressor comprisesa plurality of low-pressure stages and a plurality of high-pressure stages. An inter-stage cooler is arranged between every two adjacent stages. A subcritical carbon dioxide output pipeline and a subcritical carbon dioxide input pipeline are arranged between the terminal high-pressure stage and the penultimate high-pressure stage. The output pipeline enables a supercharger, a preheater, a heaterand an expansion machine to be connected in sequence. Carbon dioxide gas working through the expansion machine sequentially passes through the preheater, a cooler, the subcritical carbon dioxide inputpipeline to enter the inter-stage coolers, and finally enters the terminal high-pressure stage. According to the energy output system applied to the urea plant, under the circumstances that main technologies and equipment of an original urea synthesizing plant are unchanged, the high efficiency of the brayton cycle principle is utilized, the system is made to be low in input and high in energy output efficiency, and the economic benefit is quite good.

The invention discloses a wet-process carbon capture device which comprises a carbon dioxide absorption tower, a resolver, a pregnant solution pump, a sodium carbonate storage tank and a barren solution pump, an outlet of the shift gas input pipeline is communicated with an inlet of a distributor in the bottom of the carbon dioxide absorption tower, an outlet in the top of the carbon dioxide absorption tower is communicated with a crude hydrogen output pipeline, and a slurry outlet in the bottom of the carbon dioxide absorption tower is communicated with a slurry inlet of a resolver; a carbon dioxide outlet of the resolver is communicated with a carbon dioxide output pipeline, a sodium carbonate solution outlet of the resolver is communicated with an inlet of the sodium carbonate storage tank, and an outlet of the sodium carbonate storage tank is communicated with an inlet of a spraying layer on the inner side of the top of the carbon dioxide absorption tower. The device can absorb and remove carbon dioxide in the shift gas, and is low in cost, and the operation is simple.

The invention discloses a carbon dioxide snowflake cleaning system for substrate spraying pretreatment. The system comprises a liquid-state carbon dioxide storage tank with liquid-state carbon dioxideat the lower part and gas-phase carbon dioxide at the upper part; the upper part and the lower part of the liquid-state carbon dioxide storage tank are connected with an inlet of a carbon dioxide filter through a gas-phase carbon dioxide output pipe and a liquid-phase carbon dioxide output pipe with a gas-phase carbon dioxide stop valve and a liquid-phase carbon dioxide stop valve; an outlet of the carbon dioxide filter is connected with an inlet of a supercharger; an outlet of the supercharger is connected with an inlet of a heater; a main pipeline of the supercharger connected with the heater is connected with a voltage stabilizer through a branch pipeline; an outlet of the heater is connected with an inlet of a refrigerator; and an outlet of the refrigerator is connected with an inletof a nozzle connected with a compressed air introduction system by a carbon dioxide electromagnetic valve. The system uses no chemical reagent, is low in energy consumption, generates no waste water and waste liquid, and is excellent and stable in cleaning effect and high in efficiency.

The invention discloses a controllable quantitative carbon dioxide supply device and belongs to controllable carbon dioxide concentration control equipment in intelligent plant growth cabinets. The detection of carbon dioxide concentration and quantitative control of carbon dioxide output and release quantity can be finished. The controllable quantitative carbon dioxide supply device comprises a carbon dioxide concentration detection module (1), a master control module (2) and a carbon dioxide generation device (3). The controllable quantitative carbon dioxide supply device is simple in structural design, convenient to operate and low in manufacturing cost and has a certain popularization and application value.

The invention relates to a domestic pickled vegetable jar brewing room. Hydrogen gas and carbon dioxide are produced through utilizing a methanol water reforming hydrogen production device; the carbondioxide is discharged into the brewing room to provide an oxygen-free environment for saccharomycetes in the brewing room, so that external air does not need to be isolated by water and the water does not need to be added, and furthermore, the brewing of pickled vegetables becomes simple; the carbon dioxide output by the methanol water reforming hydrogen production device has high temperature, sothat the temperature in the brewing room is improved, thereby an air cooling machine is set to cool the brewing room; when the indoor temperature needs to be reduced, output power of the air coolingmachine is reinforced; when the indoor temperature needs to be raised, the output power of the air cooling machine is weakened; constant-temperature control of the indoor temperature can be realized without the need of additionally arranging a heater; through arranging a heat insulation layer on a wall of the brewing room, a constant-temperature environment is provided for a fermentation process of the pickled vegetables.

The invention provides an energy storage system and method for preparing methanol by using methanol synthesis waste gas. A hydrogen outlet of an electrolytic bath is communicated with a methanol reactor A, and an oxygen outlet of the electrolytic bath is communicated with a waste heat boiler; the input end of the decarburization tower is connected with methanol synthesis waste gas, the carbon dioxide output end is connected with the reaction end inlet of the methanol reactor A, the separated gas outlet of the separation device is connected with the methanol reactor B, and the methanol outlet outputs methanol; a purge gas conveying pipeline is arranged on a pipeline between a separated gas outlet of the separation device and an inlet of the methanol reactor B and is used for being connected with a furnace side inlet of the waste heat boiler; the methanol reactor A is communicated with a waste heat boiler, and the waste heat boiler is connected with a heat absorption end inlet of the methanol reactor A after acting through a turbine to form a circulating energy storage loop. Wind energy, waste gas generated in methanol synthesis and the like are converted into methanol, energy is stored in the chemical energy storage mode, the energy density is high, long-term storage can be achieved, and the application range is wide.

The invention discloses a fire prewarning and fire extinguishing system based on industrial CO2 collection capable of relieving climate change. The system comprises a waste gas collecting device, a dust filter device, a combustion purifying device, a mated fire prewarning device and a control management system connected through waste gas emission pipes; waste gas leaded out from the combustion purifying device is fed to a gas-water separator by a cold accelerant filter device and a buffer; one exhaust way of the gas-water separator is fed in carbon dioxide liquefying equipment, the second exhaust way is injected in a pressure storage tank with sodium chloride water solution, and the third exhaust way is connected with a gas-state carbon dioxide storage tank; liquid-state carbon dioxide output from the carbon dioxide liquefying equipment, gas-state carbon dioxide output from the gas-state carbon dioxide storage tank and mixed solution output from the pressure storage tank with the sodium chloride water solution flow to a fire extinguishing nozzle by pipelines; and the control management system receives fire prewarning signals, and controls the fire extinguishing nozzle to extinguishfire. The system can prewarn fire in factories and forests around the factories, uses carbon dioxide in industrial waste gas for fire extinguishing, and meanwhile, can relieve such climate deterioration problems as greenhouse effect caused by CO2.