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Mass transfer systems
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A mass transfer and gas technology, applied in the field of reactors, can solve problems such as not having the characteristics of moving bed reactors
Pending Publication Date: 2020-09-25
弗杰尔生物干燥公司
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Abstract
Description
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Problems solved by technology
Moving bed reactors of known design are problematic when the gas has a relatively low concentration of reactants, at which point there is a large proportion of inert gas inside the reactor that needs to be conveyed through the solid bed
This creates a large pressure drop in the gas phase, and in the case of countercurrent gas flow, the gas may rapidly start fluidizing the solids bed, rendering the system uncharacteristic of a moving bed reactor
Method used
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no. 2 approach
[0147] The second embodiment includes using the second reactor 809 in any application. Although the second reactor 809 is in Figure 9 with Figure 10 It is shown that the second reactor 809 is integrated with the first reactor 803 according to the first embodiment, but the second reactor 809 may not be integrated with the first reactor 803, and may be as Figure 8 A separate reactor is shown. The second reactor 809 may be used alone or in combination with any other type of reactor.
no. 3 approach
[0148] According to a third embodiment, the first reactor 803 described above in relation to the first embodiment and the second reactor 809 described above in relation to the second embodiment are integrated.
[0149] The integration of the first reactor with the second reactor is particularly advantageous for certain applications in which the gas sorbent is recycled. The sorbent captures the gas in the first reactor 803 and then releases the gas in the second reactor 809 .
[0150] Such as Figure 9 with Figure 10 As shown, the first reactor 803 may be positioned directly above the second reactor 809 . The first reactor 803 is thermally insulated from the second reactor 809 by a thermal insulation 902 . Each moving bed 901 passes unimpeded from the first reactor 803 through the insulation 902 and to the second reactor 809 . The walls of the moving bed 901 portion of the moving bed 901 in the insulation 902 are solid walls, not sintered plates.
[0151] The adsorbent tr...
Embodiment approach
[0257] Implementations include the following numbered items:
[0258] 1. A mass transfer system for providing mass transfer between a gas and a solid reactant, the mass transfer comprising:
[0259] a gas inlet arranged to receive a flow of gas entering the mass transfer system;
[0260] a gas outlet arranged to provide a flow of gas leaving the mass transfer;
[0261] a reactant inlet arranged to receive solid reactant input into the mass transfer system;
[0262] a reactant outlet arranged to output solid reactant from the mass transfer system;
[0263] one or more mass transfer zones arranged between the reactant inlet and the reactant outlet such that, in use, the solid reactant is retained as it moves through the mass transfer zone mass transfer occurs between the gas and the solid reactant within and within the one or more mass transfer zones;
[0264] the first gas chamber; and
[0265] a second gas chamber that is different from the first gas chamber;
[0266] Wh...
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Abstract
Disclosed herein is a gas capture system comprising a gas inlet arranged to receive a gas flow into the system; a gas outlet arranged to provide a gas flow out of the system; a gas capture region formass transfer between a gas and a sorbent of the gas; and a sorbent regeneration region for regenerating the sorbent by heating the sorbent so that the sorbent releases a gas, wherein the gas captureregion is arranged to receive sorbent from the sorbent regeneration region; the sorbent regeneration region is arranged to receive sorbent for regeneration from the gas capture region; the sorbent isa solid sorbent of carbon dioxide gas; and the gas capture region comprises: a sorbent inlet arranged to receive an input of sorbent into the gas capture region; a sorbent outlet arranged to provide an output of sorbent from the gas capture region; one or more mass transfer regions arranged between the sorbent inlet and the sorbent outlet such that, in use, the sorbent is retained within the one or more mass transfer regions as the sorbent moves through the mass transfer regions and the mass transfer between the gas and the sorbent occurs in the one or more mass transfer regions; a first gas chamber; and a second gas chamber, that is different from the first gas chamber, wherein the first gas chamber, second gas chamber and one or more mass transfer regions are arranged such that, in use,there is a flow path for gas that comprises gas flowing from the first gas chamber into one of the one or more mass transfer regions, the gas then flowing from the one of the mass transfer regions into the second gas chamber and the gas then flowing from the second gas chamber back into the one of the mass transfer regions.
Description
technical field [0001] The field of the invention is the design of reactors for reactions between gases and solids and for supporting the release of gases from solids. Embodiments provide a new reactor design that has many advantages over known reactor designs. Background technique [0002] Fossil fuels account for a large portion of the world's energy needs. The problem with burning fossil fuels is that it is anthropogenic carbon dioxide (CO 2 ) major sources of emissions. [0003] reduce CO 2 A known technology for emissions into the atmosphere is carbon capture and storage (CCS). Post-combustion, pre-combustion and oxy-combustion are the best ways to capture CO from fossil fuel plants 2 are the three main options. An important advantage of post combustion technology is that the technology can be retrofitted into existing power plants. [0004] Adsorbents remove CO from carbonaceous gases in CCS systems 2 . The CCS system also includes a sorbent regenerator in whi...
Claims
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Application Information
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