CN2675634Y - Hydrogen production plant by natural gas two-stage fluidized bed reforming - Google Patents
Hydrogen production plant by natural gas two-stage fluidized bed reforming Download PDFInfo
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- CN2675634Y CN2675634Y CN 200420024324 CN200420024324U CN2675634Y CN 2675634 Y CN2675634 Y CN 2675634Y CN 200420024324 CN200420024324 CN 200420024324 CN 200420024324 U CN200420024324 U CN 200420024324U CN 2675634 Y CN2675634 Y CN 2675634Y
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- natural gas
- hydrogen
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- fluid bed
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Abstract
The utility model relates to a hydrogen production device by natural gas two-stage fluidized bed reforming, which is composed of a first-stage fluidized bed reformer, a second-stage fluidized bed reformer, and a reheat combustion chamber. A reheat combustion device is arranged in the reheat combustion chamber, a residual air outlet of the first-stage fluidized bed reformer is connected with an air inlet of the reheat combustion chamber, an air outlet of the reheat combustion chamber is communicated with a wind chamber of the second-stage fluidized bed reformer, and a synthesis gas outlet is arranged on the second-stage fluidized bed reformer. A built-in dual jacket selective hydrogen permeating type membrane separator traverses into catalyst in the first-stage fluidized bed reformer, and a waste gas recycling and reheat combustion chamber is arranged at the natural gas inlet of the wind chamber of the first-stage fluidized bed reformer. The waste gas recycling and reheat combustion chamber, on which a natural gas inlet and a natural gas outlet are arranged, is connected with the natural gas inlet of the first-stage fluidized bed reformer. A waste gas recycling and reheat combustion device is arranged in the waste gas recycling and reheat combustion chamber, the waste gas recycling and reheat combustion device, on which a waste gas inlet and a natural gas inlet are arranged, is communicated with the waste gas outlet end of the built-in dual jacket selective hydrogen permeating type membrane separator, and the gas inlet end is communicated with the synthesis gas outlet.
Description
One, technical field
The utility model relates to a kind of hydrogen production from hydrocarbon device, relates in particular to a kind of Sweet natural gas twin-stage fluidized-bed reforming hydrogen production device.
Two, technical background
Along with society and expanding economy, the demand of the energy increases day by day, and human bad survival environment requires more and more higher.Thereby the mankind face the challenge of efficient, the clean secondary energy of exploitation.Hydrogen more and more is subjected to human great attention as efficient, clean secondary energy, and widespread use in all conglomeraties.In recent years, hydrogen is subjected to countries in the world government and scholar's positive regard with the act as a fuel fuel applications of battery of unrivaled advantages such as high heating value, no atmospheric pollution.Sweet natural gas is a kind of profuse petrochemical complex fuel source, and existing explored Natural Gas Reserve in World is 142.1 tcms, and prospective reserves is 250～350 tcms.Therefore, natural gas source optimization utilization is paid much attention to.Rationally, efficiently gas renormalizing being converted into secondary energy---the technology of hydrogen seems very important.Traditional hydrogen manufacturing technique has the method for steam reforming and the partial oxidation reforming method of water electrolysis method, hydro carbons, but all has big problem.Water electrolysis method efficient is low, energy dissipation; The method for steam reforming of hydro carbons needs outside heat supply, system complex, and thermo-efficiency is lower, the temperature of reaction height, water consumption is big in the reaction process, and energy consumption is higher, the wasting of resources; The partial oxidation reforming method of hydro carbons,, system complex higher except that temperature of reaction, the hydrogen purity that makes is low, is unfavorable for the comprehensive utilization of the energy.Because there are many drawbacks in traditional hydrogen manufacturing technique, countries in the world are the new hydrogen manufacturing technique of the numerous and confused development of developed country particularly.
Three, technology contents
Technical problem the utility model provides a kind of low-cost Sweet natural gas twin-stage fluidized-bed reforming hydrogen production device that can cut down the consumption of energy.
Technical scheme
Device described in the utility model is a kind of Sweet natural gas twin-stage fluidized-bed reforming hydrogen production device, by the one-level fluid bed reformer, secondary fluid bed reformer and reheat combustion chamber are formed, in reheat combustion chamber, be provided with reheat combustion chamber, the residual air outlet of one-level fluid bed reformer links to each other with the air intake of reheat combustion chamber, the air outlet of reheat combustion chamber is connected with the air compartment of secondary fluid bed reformer, on the secondary fluid bed reformer, be provided with the synthetic gas air outlet, the one-level fluid bed reformer is by air compartment, the fluidisation device, built-in double jacket is selected the Hydrogen membrane separation apparatus, catalyzer and fluidized bed body are formed, air compartment, the fluidisation device, catalyzer order from bottom to top is distributed in the fluidized bed body, built-in double jacket is selected the Hydrogen membrane separation apparatus to be horizontally through fluidized bed body and is positioned at catalyzer, built-in double jacket selects the Hydrogen membrane separation apparatus to be made up of interior Membrane cover and outer Membrane cover, interior Membrane cover adopts to be the saturating Hydrogen Membrane cover of selection of hydrogen direction from inside to outside, outer Membrane cover adopts to be the saturating Hydrogen Membrane cover of selection of hydrogen direction from outside to inside, on the natural gas air intake of the air compartment of one-level fluid bed reformer, be provided with waste gas circulation reignition chamber, on waste gas circulation reignition chamber, be provided with natural gas inlet mouth and natural gas air outlet, the natural gas air outlet is connected with the natural gas air intake of the air compartment of one-level fluid bed reformer, at the indoor waste gas circulation reignition device that is provided with of waste gas circulation reignition, on waste gas circulation reignition device, be provided with the waste gas air intake that contains carbon monoxide and burn and use the air intake of natural gas, this burning selects the waste gas outlet side of the interior Membrane cover of Hydrogen membrane separation apparatus to communicate with the air intake of natural gas with built-in double jacket, the inlet end of interior Membrane cover is communicated with the synthetic gas air outlet of secondary fluid bed reformer, interior Membrane cover and outside be provided with hydrogen outlet on the cavity between the Membrane cover.
Beneficial effect 1. the utility model adopts waste gas circulation reignition technology, waste gas to hydrogen after the separated reignition that circulates, its heat is used to heat natural gas, make that complicated CO conversion, cleaning section deleted in traditional hydrogen producing technology, simplified overall system structure greatly, reduce cost and effectively utilized the heat of waste-gas burning, reduced energy consumption.2. the utility model utilizes the heat of the synthetic gas of secondary fluid bed reformer generation that the natural gas that need heat is heated, and has further utilized the waste heat of synthetic gas, has reduced energy consumption.3. the waste heat that utilizes hydrogen can further cut down the consumption of energy to the heating of natural gas.4. adopt built-in double jacket to select the Hydrogen membrane separation apparatus in the first step reformer, both improved the efficiency of conversion of the natural gas hydrogen preparation in the first step reformer; Simultaneously will be separated into hydrogen and waste gas from the synthetic gas of second stage reformer again, for follow-up waste gas circulation reignition provides feasibility.Since this technology need not be complicated CO conversion, cleaning section, this makes the integral device compactness, is easy to small-sized, the high efficiency of the equipment of realizing.The twin-stage reformer all adopts fluidization.Utilize special fluidisation device and rational fluidized-bed structure, make the whole evenly fluidisation of the interior solid particulate of fluidized-bed so both to have made even rapid, the sufficient reacting that conducts heat, the hydrogen manufacturing transformation efficiency improves; Simultaneously reduce gas-flow resistance again, and the wearing and tearing of solid particulate and breaking.Utilize enhancement of heat transfer technology and self-heating system, make entire system efficiency of utilization height, energy consumption low.
Four, description of drawings
Fig. 1 is the system flowchart of twin-stage fluidized-bed Sweet natural gas steam self-heating reforming hydrogen manufacturing apparatus and method of the present utility model, and interchanger 3, secondary ash collector 4, one-level fluid bed reformer 5, cleaner 6, waste gas circulation reignition device 7, by-pass valve control 8, heat exchanger package 9, reheat combustion chamber 10, reheat combustion chamber 11, secondary fluid bed reformer 12, primary dust removing device 13, pressurized air A, water B, compressed natural gas C, finished hydrogen D, discharging waste gas E are wherein arranged.
Fig. 2 is the structure diagram of one-level fluid bed reformer, wherein has air compartment 14, fluidisation device 15, built-in double jacket to select Hydrogen membrane separation apparatus 16, catalyzer 17 and fluidized bed body 18, and catalyzer 21 adopts nickel-base catalyst, ruthenium-based catalyst etc.
Fig. 3 is the structure diagram of secondary fluid bed reformer, and air compartment 19, fluidisation device 20, catalyzer 21 and fluidized bed body 22 are wherein arranged.
Fig. 4 is the structural representation that the utility model is selected Hydrogen membrane separation apparatus embodiment.
Five, specific embodiments
Embodiment device described in the utility model is a kind of Sweet natural gas twin-stage fluidized-bed reforming hydrogen production device, by one-level fluid bed reformer 5, secondary fluid bed reformer 12 and reheat combustion chamber 11 are formed, in reheat combustion chamber 11, be provided with reheat combustion chamber 10, the residual air outlet 5b of one-level fluid bed reformer 5 links to each other with the air intake 11a of reheat combustion chamber 11, the air outlet 11b of reheat combustion chamber 11 is connected with the air compartment 19 of secondary fluid bed reformer 12, on secondary fluid bed reformer 12, be provided with synthetic gas air outlet 12b, one-level fluid bed reformer 5 is by air compartment 14, fluidisation device 15, built-in double jacket is selected Hydrogen membrane separation apparatus 16, catalyzer 17 and fluidized bed body 18 are formed, air compartment 14, fluidisation device 15, catalyzer 17 order from bottom to top is distributed in the fluidized bed body 18, built-in double jacket is selected Hydrogen membrane separation apparatus 16 to be horizontally through fluidized bed body 18 and is positioned at catalyzer 17, built-in double jacket selects Hydrogen membrane separation apparatus 16 to be made up of interior Membrane cover and outer Membrane cover, interior Membrane cover adopts to be the saturating Hydrogen Membrane cover of selection of hydrogen direction from inside to outside, outer Membrane cover adopts to be the saturating Hydrogen Membrane cover of selection of hydrogen direction from outside to inside, on the natural gas air intake of the air compartment 14 of one-level fluid bed reformer 5, be provided with waste gas circulation reignition chamber 7, on waste gas circulation reignition chamber 7, be provided with natural gas inlet mouth 7a and natural gas air outlet, the natural gas air outlet is connected with the natural gas air intake of the air compartment 14 of one-level fluid bed reformer 5, in waste gas circulation reignition chamber 7, be provided with waste gas circulation reignition device 7f, on waste gas circulation reignition device 7f, be provided with the waste gas air intake that contains carbon monoxide and burn and use the air intake of natural gas, this burning selects the waste gas outlet side of the interior Membrane cover of Hydrogen membrane separation apparatus 16 to communicate with the air intake of natural gas with built-in double jacket, the inlet end of interior Membrane cover is communicated with the synthetic gas air outlet 12b of secondary fluid bed reformer 12, interior Membrane cover and outside be provided with hydrogen outlet 5c on the cavity between the Membrane cover, in the present embodiment, the synthetic gas air outlet 12b of secondary fluid bed reformer 12 is communicated with the inlet end of interior Membrane cover through the plate exterior passage way of heat exchanger package 9, be used to carry the second plate interior passageway outlet side 92b of the heat exchanger package 9 of natural gas to link to each other with the natural gas inlet mouth 7a of waste gas circulation reignition chamber 7 and the inlet mouth of reheat combustion chamber 10 respectively, the 3rd plate interior passageway outlet side 93b that is used for the heat exchanger package 9 of fluming water steam communicates with the natural gas inlet mouth 7a and the reheat combustion chamber 11 of waste gas circulation reignition chamber 7 respectively with respectively, be used to carry the 4th plate interior passageway outlet side 94b of the heat exchanger package 9 of air to communicate with waste gas circulation reignition device 7f and reheat combustion chamber 10 respectively, natural gas is transported to the second plate interior passageway inlet end of heat exchanger package 9 through the plate interior passageway of interchanger 3, hydrogen from hydrogen outlet 5c is exported through the plate exterior passage way of interchanger 3, the synthetic gas air outlet 12b of secondary fluid bed reformer 12 is communicated with the inlet end of the plate exterior passage way of heat exchanger package 9 by primary dust removing device 13, the outlet side of the plate exterior passage way of heat exchanger package 9 is communicated with the inlet end of interior Membrane cover through secondary ash collector 4, residual air from one-level fluid bed reformer 5 enters reheat combustion chamber 11 through cleaner 6, above-mentioned secondary fluid bed reformer 12 is by air compartment 19, fluidisation device 20, catalyzer 21 and fluidized bed body 22 are formed, air compartment 19, fluidisation device 20 and catalyzer 21 being located in the fluidized bed body 22 from bottom to top, catalyzer 21 adopts nickel-base catalyst, ruthenium-based catalyst etc.
Claims (4)
1, a kind of Sweet natural gas twin-stage fluidized-bed reforming hydrogen production device that is used for hydrogen production from hydrocarbon, by one-level fluid bed reformer (5), secondary fluid bed reformer (12) and reheat combustion chamber (11) are formed, in reheat combustion chamber (11), be provided with reheat combustion chamber (10), the residual air outlet (5b) of one-level fluid bed reformer (5) links to each other with the air intake (11a) of reheat combustion chamber (11), the air outlet (11b) of reheat combustion chamber (11) is connected with the air compartment (19) of secondary fluid bed reformer (12), on secondary fluid bed reformer (12), be provided with synthetic gas air outlet (12b), it is characterized in that one-level fluid bed reformer (5) is by air compartment (14), fluidisation device (1 5), built-in double jacket is selected Hydrogen membrane separation apparatus (16), catalyzer (17) and fluidized bed body (18) are formed, air compartment (14), fluidisation device (15), catalyzer (17) order from bottom to top is distributed in the fluidized bed body (18), built-in double jacket is selected Hydrogen membrane separation apparatus (16) to be horizontally through fluidized bed body (18) and is positioned at catalyzer (17), built-in double jacket selects Hydrogen membrane separation apparatus (16) to be made up of interior Membrane cover and outer Membrane cover, interior Membrane cover adopts to be the saturating Hydrogen Membrane cover of selection of hydrogen direction from inside to outside, outer Membrane cover adopts to be the saturating Hydrogen Membrane cover of selection of hydrogen direction from outside to inside, on the natural gas air intake of the air compartment (14) of one-level fluid bed reformer (5), be provided with waste gas circulation reignition chamber (7), on waste gas circulation reignition chamber (7), be provided with natural gas inlet mouth (7a) and natural gas air outlet, the natural gas air outlet is connected with the natural gas air intake of the air compartment (14) of one-level fluid bed reformer (5), in waste gas circulation reignition chamber (7), be provided with waste gas circulation reignition device (7f), on waste gas circulation reignition device (7f), be provided with the waste gas air intake that contains carbon monoxide and burn and use the air intake of natural gas, this burning selects the waste gas outlet side of the interior Membrane cover of Hydrogen membrane separation apparatus (16) to communicate with the air intake of natural gas with built-in double jacket, the inlet end of interior Membrane cover is communicated with the synthetic gas air outlet (12b) of secondary fluid bed reformer (12), interior Membrane cover and outside be provided with hydrogen outlet (5c) on the cavity between the Membrane cover.
2, Sweet natural gas twin-stage fluidized-bed reforming hydrogen production device according to claim 1, the synthetic gas air outlet (12b) that it is characterized in that secondary fluid bed reformer (12) is communicated with the inlet end of interior Membrane cover through the plate exterior passage way of heat exchanger package (9), be used to carry the second plate interior passageway outlet side (92b) of the heat exchanger package (9) of natural gas to link to each other with the natural gas inlet mouth (7a) of waste gas circulation reignition chamber (7) and the inlet mouth of reheat combustion chamber (10) respectively, the 3rd plate interior passageway outlet side (93b) that is used for the heat exchanger package (9) of fluming water steam communicates with the natural gas inlet mouth (7a) and the reheat combustion chamber (11) of waste gas circulation reignition chamber (7) respectively with respectively, is used to carry the 4th plate interior passageway outlet side (94b) of the heat exchanger package (9) of air to communicate with waste gas circulation reignition device (7f) and reheat combustion chamber (10) respectively.
3, Sweet natural gas twin-stage fluidized-bed reforming hydrogen production device according to claim 2, it is characterized in that natural gas transports to the second plate interior passageway inlet end of heat exchanger package (9) through the plate interior passageway of interchanger (3), from the plate exterior passage way output of the hydrogen of hydrogen outlet (5c) through interchanger (3).
4, Sweet natural gas twin-stage fluidized-bed reforming hydrogen production device according to claim 3, the synthetic gas air outlet (12b) that it is characterized in that secondary fluid bed reformer (12) is communicated with the inlet end of the plate exterior passage way of heat exchanger package (9) by primary dust removing device (13), the outlet side of the plate exterior passage way of heat exchanger package (9) is communicated with the inlet end of interior Membrane cover through secondary ash collector (4), enters reheat combustion chamber (11) from the residual air of one-level fluid bed reformer (5) through cleaner (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420024324 CN2675634Y (en) | 2004-01-16 | 2004-01-16 | Hydrogen production plant by natural gas two-stage fluidized bed reforming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420024324 CN2675634Y (en) | 2004-01-16 | 2004-01-16 | Hydrogen production plant by natural gas two-stage fluidized bed reforming |
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| Publication Number | Publication Date |
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| CN2675634Y true CN2675634Y (en) | 2005-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200420024324 Expired - Fee Related CN2675634Y (en) | 2004-01-16 | 2004-01-16 | Hydrogen production plant by natural gas two-stage fluidized bed reforming |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101836318B (en) * | 2007-10-25 | 2013-02-27 | Utc电力公司 | Reduced generation of ammonia in nickel catalyst of reformer |
| CN105366640A (en) * | 2015-12-16 | 2016-03-02 | 东南大学 | Method and device for preparing hydrogen through water vapor catalytic reforming based on biomass gasified primary gas |
| CN109546189A (en) * | 2018-10-29 | 2019-03-29 | 南京航空航天大学 | It is a kind of to reform electricity generation system by the multistage of fuel cell hydrogen source of liquid fuel |
-
2004
- 2004-01-16 CN CN 200420024324 patent/CN2675634Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101836318B (en) * | 2007-10-25 | 2013-02-27 | Utc电力公司 | Reduced generation of ammonia in nickel catalyst of reformer |
| CN105366640A (en) * | 2015-12-16 | 2016-03-02 | 东南大学 | Method and device for preparing hydrogen through water vapor catalytic reforming based on biomass gasified primary gas |
| CN105366640B (en) * | 2015-12-16 | 2017-06-16 | 东南大学 | A kind of method and device of the water vapour catalytically reforming hydrogen producing gas based on gasification of biomass primary combustion gas |
| CN109546189A (en) * | 2018-10-29 | 2019-03-29 | 南京航空航天大学 | It is a kind of to reform electricity generation system by the multistage of fuel cell hydrogen source of liquid fuel |
| CN109546189B (en) * | 2018-10-29 | 2021-10-22 | 南京航空航天大学 | Multi-stage reforming power generation system using liquid fuel oil as hydrogen source of fuel cell |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050202 |