CN104229798A - Device for realizing hydrogen production and carbon dioxide separation simultaneously through chain type circulation reaction and working method of device - Google Patents
Device for realizing hydrogen production and carbon dioxide separation simultaneously through chain type circulation reaction and working method of device Download PDFInfo
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- CN104229798A CN104229798A CN201410480763.0A CN201410480763A CN104229798A CN 104229798 A CN104229798 A CN 104229798A CN 201410480763 A CN201410480763 A CN 201410480763A CN 104229798 A CN104229798 A CN 104229798A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a device for realizing hydrogen production and carbon dioxide separation simultaneously through the chain type circulation reaction. The device comprises a fuel reactor, a hydrogen production reactor, an air reactor, a gas-solid separator, a partition board, a first dipleg, vertical return pipes and a second dipleg, wherein the fuel reactor is fixedly connected to the upper part of the air reactor; the hydrogen production reactor is fixedly connected to the lower part of the air reactor; the gas-solid separator is fixedly connected to the upper part of the air reactor; the air reactor and the fuel reactor are communicated through the first dipleg; the fuel reactor and the hydrogen production reactor are communicated through the vertical return pipes; and the bottom of the hydrogen production reactor and the bottom of the air reactor are communicated through the second dipleg and an entrainment hole. The device effectively solves the problem of gas mixing among the three reactors, is high in integration level, simple in structure and high in heat transfer and use efficiency, and upsizing is easy to realize. The invention further discloses a working method of the device. With the adoption of the method, hydrogen production and carbon dioxide separation can be realized simultaneously through the chain type circulation reaction with high efficiency and low energy consumption.
Description
Technical field
The present invention relates to energy conversion and environmental protection technical field, specifically, relate to device and method of work thereof that separating carbon dioxide is worked in coordination with in a kind of chain circulation reaction hydrogen manufacturing.
Technical background
Hydrogen Energy is a kind of efficient, clean energy; have pollution-free, can store, combustion heat value high; also there is the function of other primary energy source of adjustable compensation; day by day serious along with energy dilemma and environmental pollution; in following sustainable energy system; be expected to become the complementary primary terminal energy of laying equal stress on electric power, be acknowledged as one of following most potential energy carrier.Current Hydrogen Energy obtains mainly through fossil oils such as coal, oil, Sweet natural gases, and hydrogen producing technology mainly comprises hydrogen production from coal gasification, hydrogen making by natural gas reformation, water electrolysis hydrogen production etc.But practical studies shows, there is complex process, energy consumption cost is high, hydrogen production efficiency is low problem in above-mentioned hydrogen producing technology.In this context, exploitation new hydrogen production technique that is efficient, low cost is most important for the Sustainable development of energy and environment.
The new hydrogen production technology of a kind of efficient, the environment-friendly type that recycle chemistry chain reaction hydrogen producing technology is that development in recent years is got up, be considered to one of most potential hydrogen producing technology on our times, novel chemical chain burning technology and traditional water vapor-iron processes process for making hydrogen organically combine by it, realizing realizing carbon dioxide separation that is efficient, less energy-consumption while high-purity hydrogen is produced, application prospect is very good.Recycle chemistry chain reaction hydrogen generating system is made up of fuel reactor, hydrogen-manufacturing reactor and air reactor, and iron-based oxygen carrier cycles through three reactors successively and completes the reduction of oxygen carrier, hydrogen manufacturing and oxidation cycle reaction process.In order to realize less energy-consumption separating carbon dioxide while high-purity hydrogen is produced, flowing in each reactor must reach Optimized Matching with reaction, the gas that will solve between triple response device alters mixed problem simultaneously, and the design and selection of this and reactor assembly is closely related.Current chain circulation hydrogen-manufacturing reactor system mainly adopts the structure in outer circulation loop, namely separate separately between three reactors, realizes the circulation of iron-based oxygen carrier between three reactors by independent revert system.The design type of this kind of reactor assembly exists that structure is loaded down with trivial details, complicated operation, oxygen carrier cycle control are difficult, heat between each reactor transmits the problems such as utilising efficiency is low, and the integrated level of device own is low, cost is high, floor space is large, be unfavorable for building and the control of running cost and the maximization of device.
Summary of the invention
technical problem:technical problem to be solved by this invention is: provide a kind of chain circulation reaction hydrogen manufacturing to work in coordination with the device of separating carbon dioxide, this device has the premium properties that fuel combustion efficiency is high, hydrogen purity is high and collecting carbonic anhydride rate is high.The method of work of this device is also provided simultaneously, the method can efficiently, less energy-consumption by chain circulation reaction hydrogen manufacturing work in coordination with separating carbon dioxide.
technical scheme:in order to solve the problems of the technologies described above, the technical solution used in the present invention is as follows:
A device for separating carbon dioxide is worked in coordination with in chain circulation reaction hydrogen manufacturing, and this device comprises fuel reactor, hydrogen-manufacturing reactor, air reactor, gas-solid separator, division plate, the first dipleg, vertical feed back pipe and the second dipleg; Fuel reactor is fixedly connected on the top of air reactor, hydrogen-manufacturing reactor is fixedly connected on the bottom of air reactor, fuel reactor and hydrogen-manufacturing reactor are all positioned at the outside of air reactor, and fuel reactor, hydrogen-manufacturing reactor and air reactor are coaxially arranged; Gas-solid separator is fixedly connected on the top of air reactor; The top of division plate is fixedly connected on the inner-wall surface of fuel reactor, and the bottom of division plate is connected with the top of the first dipleg, has space between the bottom of the first dipleg and the bottom surface of fuel reactor, and the first dipleg is positioned at the outside of air reactor; Air reactor is connected by the first dipleg with fuel reactor; Fuel reactor is connected by vertical feed back pipe with hydrogen-manufacturing reactor; The bottom wall of air reactor is provided with and entrainments hole, and the second dipleg is fixedly connected on the bottom surface of hydrogen-manufacturing reactor, and the second dipleg is positioned at the outside of entrainmenting hole, the bottom of hydrogen-manufacturing reactor and the bottom of air reactor by the second dipleg with entrainment hole and be connected; Be provided with gas fuel inlet bottom fuel reactor, fuel reactor sidepiece is provided with the first product exit for gaseous product in discharge fuel reactor, and the top of fuel reactor is provided with the second product exit for gaseous product in discharged air reactor; Be provided with steam entry bottom hydrogen-manufacturing reactor, the sidepiece of hydrogen-manufacturing reactor is provided with hydrogen outlet; Gas inlet is provided with bottom air reactor.
Further, fill oxygen carrier granule in described fuel reactor, hydrogen-manufacturing reactor, air reactor, the first dipleg, the second dipleg and vertical feed back pipe, sealed by the oxygen carrier granule be deposited in the first dipleg between fuel reactor and air reactor; Sealed by the oxygen carrier granule in vertical feed back pipe between fuel reactor and hydrogen-manufacturing reactor; Sealed by the oxygen carrier granule be deposited in the second dipleg between hydrogen-manufacturing reactor and air reactor; In vertical feed back pipe, the first dipleg and the second dipleg, the degree of filling of oxygen carrier granule is regulated by the gas flow entered in fuel reactor, hydrogen-manufacturing reactor and air reactor.
Further, air compartment, air distribution plate and scum pipe are all arranged in the bottom of described fuel reactor, hydrogen-manufacturing reactor and air reactor.
Further, described vertical feed back pipe is four, and centered by air reactor, is evenly laid in the periphery of air reactor.
Further, described entrainments hole centered by air reactor central shaft, adopts circular array symmetrical expression to arrange.
Further, the height of the second described dipleg is entrainment hole to 3 ~ 5 times of hydrogen-manufacturing reactor floor height.
Further, described division plate, the first dipleg and the second dipleg all centered by air reactor, in coaxial circles ring structure.
Further, described gas-solid separator is broad-brimmed rain hat type inertial separator; Described fuel reactor and hydrogen-manufacturing reactor operation scheme are bubbling fluidized bed; The operation scheme of described air reactor is fast fluidized bed.
A method of work for the device of separating carbon dioxide is worked in coordination with in above-mentioned chain circulation reaction hydrogen manufacturing, and this method of work comprises following process:
The first step: be separated and collect carbonic acid gas: first fuel reactor being heated to 850 ~ 1000 DEG C, geseous fuel is passed into fuel reactor from the gas fuel inlet of fuel reactor, geseous fuel reacts with the ferric oxide of the iron-based oxygen carrier granule being arranged in fuel reactor, generate the mixture of carbonic acid gas and water vapour, iron-based oxygen carrier granule is reduced into iron protoxide or fe particle; This gaseous mixture is discharged by the first product exit of fuel reactor, and after condensation, obtains pure carbon dioxide, realizes the enrichment of carbonic acid gas;
Second step: hydrogen making: iron protoxide or fe particle enter in hydrogen-manufacturing reactor by vertical feed back pipe; Water vapour is passed in hydrogen-manufacturing reactor by the steam entry of hydrogen-manufacturing reactor, iron protoxide or fe and water vapour reaction generate hydrogen, the hydrogen outlet of this hydrogen by hydrogen-manufacturing reactor is discharged, realize producing of high-purity hydrogen, simultaneous oxidation ferrous iron or the oxidized generation ferriferrous oxide particles of fe particle;
3rd step: the oxidation regeneration of iron-based oxygen carrier granule: air is passed in air reactor by the gas inlet of air reactor, the ferriferrous oxide particles being arranged in hydrogen-manufacturing reactor is by the second dipleg and entrainment hole, entered in air reactor by Air Entrainment, and with air generation complete oxidation, generate ferric oxide particle, be separated and the first dipleg from device through gas-solid, ferric oxide particle enters in fuel reactor again.
Further, the method for work of the device of separating carbon dioxide is worked in coordination with in described chain circulation reaction hydrogen manufacturing, also comprises the 4th step: return the first step, realizes circulation hydrogen manufacturing and separating carbon dioxide, until quit work.
beneficial effect:compared with prior art, technical scheme of the present invention has following beneficial effect:
(1) triple response device of the present invention adopts coaxial circles annular design, because the reaction in air reactor is strong exothermal reaction, in air reactor, the amount of heat of release can be delivered in fuel reactor and hydrogen-manufacturing reactor by tube wall, for two reactors provide the heat needed for reaction.Meanwhile, compared with existing outer circulation loop-type hydrogen-manufacturing reactor system, the heat that can significantly improve whole system transmits utilising efficiency.
(2) the existing outer circulation loop-type chain type hydrogen-manufacturing reactor system sealing that generally adopts the mechanical type component such as control valve or solid returning charge valve to realize between triple response device, this kind of mode has that structure is loaded down with trivial details, complicated operation, solids circulation flux control the shortcomings such as difficult.The present invention adopts oxygen carrier bed material as sealing " component ", by regulating the gas flow entered in fuel reactor, hydrogen-manufacturing reactor and air reactor, the degree of filling of oxygen carrier granule in vertical feed back pipe, the first dipleg and the second dipleg can be ensured, reduce---hydrogen manufacturing---while oxidizing reaction meeting in triple response device, more easily achieve the control of sealing between triple response device and oxygen carrier granule internal circulating load, there is flexible operation, regulate and control easy feature.
(3) compared with traditional cyclonic separator, the broad-brimmed rain hat type inertia gas-solid separator adopted in the present invention, has the advantages such as resistance is little, structure is simply easy to layout, cost is low.
(4) compared with the structure in the outer circulation loop generally adopted at present, triple response apparatus of the present invention adopts coaxial circles annular fluidized bed, there is compact construction, level of integrated system is high, floor space is little, be easy to realize building and the feature such as the control of running cost and the maximization of device, there is good prospects for commercial application.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Comprising: fuel reactor 1, hydrogen-manufacturing reactor 2, air reactor 3, gas-solid separator 4, division plate 5, first dipleg 6, vertical feed back pipe 7, entrainments hole 8, second dipleg 9, gas fuel inlet A, steam entry B, gas inlet C, the first product exit D, hydrogen outlet E, the second product exit F.
Embodiment
Also by example, the present invention will be further described below with reference to accompanying drawings.
As shown in Figure 1, the device of separating carbon dioxide is worked in coordination with in a kind of chain circulation reaction hydrogen manufacturing of the present invention, comprises fuel reactor 1, hydrogen-manufacturing reactor 2, air reactor 3, gas-solid separator 4, division plate 5, first dipleg 6, vertical feed back pipe 7 and the second dipleg 9.Fuel reactor 1 is fixedly connected on the top of air reactor 3, hydrogen-manufacturing reactor 2 is fixedly connected on the bottom of air reactor 3, fuel reactor 1 and hydrogen-manufacturing reactor 2 are all positioned at the outside of air reactor 3, and fuel reactor 1, hydrogen-manufacturing reactor 2 and air reactor 3 are coaxially arranged.Gas-solid separator 4 is fixedly connected on the top of air reactor 3.The top of division plate 5 is fixedly connected on the inner-wall surface of fuel reactor 1, and the bottom of division plate 5 is connected with the top of the first dipleg 6, has space between the bottom of the first dipleg 6 and the bottom surface of fuel reactor 1, and the first dipleg 6 is positioned at the outside of air reactor 3; Air reactor 3 is connected by the first dipleg 6 with fuel reactor 1.Fuel reactor 1 is connected by vertical feed back pipe 7 with hydrogen-manufacturing reactor 2; The bottom wall of air reactor 3 is provided with and entrainments hole 8, second dipleg 9 is fixedly connected on the bottom surface of hydrogen-manufacturing reactor 2, second dipleg 9 is positioned at the outside of entrainmenting hole 8, the bottom of hydrogen-manufacturing reactor 2 and the bottom of air reactor 3 by the second dipleg 9 with entrainment hole 8 and be connected.Gas fuel inlet is provided with bottom fuel reactor 1, fuel reactor 1 sidepiece is provided with the first product exit for gaseous product in discharge fuel reactor 1, and the top of fuel reactor 1 is provided with the second product exit for gaseous product in discharged air reactor 3; Be provided with steam entry bottom hydrogen-manufacturing reactor 2, the sidepiece of hydrogen-manufacturing reactor 2 is provided with hydrogen outlet.Gas inlet is provided with bottom air reactor 3.
Further, fill oxygen carrier granule in described fuel reactor 1, hydrogen-manufacturing reactor 2, air reactor 3, first dipleg 6, second dipleg 9 and vertical feed back pipe 7, sealed by the oxygen carrier granule be deposited in the first dipleg 6 between fuel reactor 1 and air reactor 3; Sealed by the oxygen carrier granule in vertical feed back pipe 7 between fuel reactor 1 and hydrogen-manufacturing reactor 2; Sealed by the oxygen carrier granule be deposited in the second dipleg 9 between hydrogen-manufacturing reactor 2 and air reactor 3; In vertical feed back pipe 7, first dipleg 6 and the second dipleg 9, the degree of filling of oxygen carrier granule is regulated by the gas flow entered in fuel reactor 1, hydrogen-manufacturing reactor 2 and air reactor 3.Triple response device of the present invention adopts triple oxygen carrier granule to seal, and prevents the gas between each reactor from altering mixed.Vertical feed back pipe 7 connects fuel reactor 1 and hydrogen-manufacturing reactor 2, and its top and bottom are all buried in two reactor oxygen carrier beds, are filled with the oxygen carrier granule from fuel reactor 1 in vertical feed back pipe 7.Equally, the first dipleg 6 and the second dipleg 9 inside are also full of oxygen carrier granule.Gaseous product in fuel reactor 1 and air reactor 3 is more easily carried into the first product exit D and the second product exit F of reactor respectively by upstream, and the resistance that the gaseous product in hydrogen-manufacturing reactor 2 enters fuel reactor 1 and air reactor 3 respectively by the vertical feed back pipe 7 and system of entrainmenting being full of oxygen carrier granule is large, can only be discharged by the hydrogen outlet E of reactor upper side, thus effectively prevent fuel reactor 1, gas between hydrogen-manufacturing reactor 2 and air reactor 3 alters mixed.
Further, air compartment, air distribution plate and scum pipe are all arranged in the bottom of described fuel reactor 1, hydrogen-manufacturing reactor 2 and air reactor 3.Air compartment, air distribution plate and scum pipe are this area common technology.
Further, described vertical feed back pipe 7 is four, and centered by air reactor 3, is evenly laid in the periphery of air reactor 3.Even laying four vertical feed back pipe 7, ensure the good circulation of oxygen carrier granule and the smooth running of whole system in whole system.Be evenly arranged if do not adopted, then can produce disturbance to the oxygen carrier granule in fuel reactor 1 and hydrogen-manufacturing reactor 2, the steady running of influential system.
Further, described entrainments hole 8 centered by air reactor 3 central shaft, adopts circular array symmetrical expression to arrange.Entrainment the rounded array symmetrical expression in hole 8 to arrange, ensure that the oxygen carrier granule bottom hydrogen-manufacturing reactor 2 evenly enters air reactor 2 inside, reduce oxygen carrier granule to the disturbance of air-flow in air reactor 2, thus enable whole system smooth running.
Further, the height of the second described dipleg 9 is 3 ~ 5 times that entrainment hole 8 to hydrogen-manufacturing reactor 2 floor height.Such setting, ensure there are enough oxygen carrier granules in dipleg 9, the gas that may to be entered by air reactor 3 in hydrogen-manufacturing reactor 2 is pushed down in effect by oxygen carrier gravity, thus it is mixed to prevent gas from altering, another one object is that this highly also can ensure have enough particles to enter air reactor 3 in dipleg 9.
Further, described division plate 5, first dipleg 6 and the second dipleg 9 all centered by air reactor 3, in coaxial circles ring structure.Gas-solid separator 4 is broad-brimmed rain hat type inertial separator.Fuel reactor 1 and hydrogen-manufacturing reactor 2 operation scheme are bubbling fluidized bed.Air reactor 3 is fast fluidized bed.Fuel reactor 1 and hydrogen-manufacturing reactor 2 are bubbling fluidized bed pattern, and air reactor 3 is fast fluidized bed pattern.Like this, make the flowing in each reactor and reaction reach height optimization to mate on the one hand, this is because the reaction in fuel reactor 1 and hydrogen-manufacturing reactor 2 is very slower than its speed of reaction with the reacting phase in air reactor 3, adopt bubbling fluidized bed pattern can significantly improve the residence time of gas, and then improve hydrogen production efficiency and collecting carbonic anhydride rate, and in air reactor 3 faster oxidizing reaction do not need the longer residence time, adopt fast fluidized bed pattern best, and oxygen carrier granule is in fast fluidized regime in air reactor 3, be conducive to the separation efficiency of the gas-solid separator 4 improving air reactor 3 top, fuel reactor 1 and hydrogen-manufacturing reactor 2 are bubbling fluidized bed pattern on the other hand, are conducive to the degree of filling improving oxygen carrier granule in vertical feed back pipe 7, first dipleg 6 and the second dipleg 9, can effectively prevent gas between reactor from altering the generation of mixed phenomenon.
The method of work of the device of separating carbon dioxide is worked in coordination with in above-mentioned chain circulation reaction hydrogen manufacturing, comprises following process:
The first step: be separated and collect carbonic acid gas: first fuel reactor 1 being heated to 850 ~ 1000 DEG C, geseous fuel is passed into fuel reactor 1 from the gas fuel inlet of fuel reactor 1, geseous fuel reacts with the ferric oxide of the iron-based oxygen carrier granule being arranged in fuel reactor 1, generate the mixture of carbonic acid gas and water vapour, iron-based oxygen carrier granule is reduced into iron protoxide or fe particle; This gaseous mixture is discharged by the first product exit of fuel reactor 1, and after condensation, obtains pure carbon dioxide, realizes the enrichment of carbonic acid gas;
Second step: hydrogen making: iron protoxide or fe particle enter in hydrogen-manufacturing reactor 2 by vertical feed back pipe 7; Water vapour is passed in hydrogen-manufacturing reactor 2 by the steam entry of hydrogen-manufacturing reactor 2, iron protoxide or fe and water vapour reaction generate hydrogen, the hydrogen outlet of this hydrogen by hydrogen-manufacturing reactor 2 is discharged, realize producing of high-purity hydrogen, simultaneous oxidation ferrous iron or the oxidized generation ferriferrous oxide particles of fe particle;
3rd step: the oxidation regeneration of iron-based oxygen carrier granule: air is passed in air reactor 3 by the gas inlet of air reactor 3, the ferriferrous oxide particles being arranged in hydrogen-manufacturing reactor 2 is by the second dipleg 9 and entrainment hole 8, entered in air reactor 3 by Air Entrainment, and with air generation complete oxidation, generate ferric oxide particle, be separated and the first dipleg 6 from device 4 through gas-solid, ferric oxide particle enters in fuel reactor 1 again.
Further, the method for work of the device of separating carbon dioxide is worked in coordination with in described chain circulation reaction hydrogen manufacturing, also comprises the 4th step: return the first step, realizes circulation hydrogen manufacturing and separating carbon dioxide, until quit work.
In the present invention, three reactors separate by the first dipleg 6, second dipleg 9 and vertical feed back pipe 7, and iron-based oxygen carrier realizes reduction---hydrogen manufacturing---the oxidation cycle reaction process of oxygen carrier successively by fuel reactor 1, hydrogen-manufacturing reactor 2 and air reactor 3.The gaseous product produced in three reactors is discharged by respective relief outlet.Fuel reactor 1 outlets products is the mixture of carbonic acid gas and water vapour, just obtains the carbon dioxide of enrichment through simple condensation, and hydrogen-manufacturing reactor 2 outlets products is high-purity hydrogen, and air reactor 3 outlets products is oxygen-denuded air.
In the present invention, geseous fuel (the high-grade energy such as Sweet natural gas, coke-oven gas, the low-grade energy such as blast furnace gas and ventilating gas) pass into bottom fuel reactor 1, and with come from the iron-based oxygen carrier granule generation reduction reaction of the first dipleg 6, the iron-based oxygen carrier granule be reduced enters hydrogen-manufacturing reactor 2 through vertical feed back pipe 7 and to react with water vapour and generate hydrogen, reacted iron-based oxygen carrier granule through entrainment system volume inspiration enter air reactor 3 occur oxidation regeneration reaction, particle then falls into division plate 5 and the first dipleg 6 after gas-solid separator 4 is separated, thus form stable circulation.
In the present invention, oxygen carrier completes reduction---hydrogen manufacturing---the oxidation chain type circulating reaction process of oxygen carrier successively through fuel reactor 1, hydrogen-manufacturing reactor 2 and air reactor 3, realize working in coordination with separating carbon dioxide while high-purity hydrogen is produced.When normally running, add a certain amount of iron-based oxygen carrier granule in reactor assembly, the form of its ferriferous oxide is ferric oxide.Geseous fuel is passed into by the air distribution plate bottom fuel reactor 1, on the one hand as reaction medium react with oxygen carrier, on the other hand as the fluidizing medium of oxygen carrier granule, and the sealing between the normal circulation of guarantee oxygen carrier granule and triple response device.Geseous fuel is heated to the temperature needed for reaction by the iron-based oxygen carrier granule coming from the first dipleg 6 rapidly after passing into fuel reactor 1, whole reactor assembly temperature controls within the scope of 850 ~ 1000 DEG C, the mixture of gaseous product carbonic acid gas and water vapour is generated after geseous fuel reaction, discharge through the first product exit D of fuel reactor, after simple condensation, just obtain pure carbonic acid gas, iron-based oxygen carrier granule then " oxygen release " is reduced into iron protoxide or fe.Reductibility iron-based oxygen carrier granule relies on gravitational fall in the oxygen carrier bed of hydrogen-manufacturing reactor 2 by vertical feed back pipe 7, and react with the water vapour of the steam entry B come from bottom hydrogen-manufacturing reactor and generate gaseous product hydrogen, iron protoxide in iron-based oxygen carrier or fe are generated Z 250 by steam oxidation, gaseous product is discharged by the hydrogen outlet E of hydrogen-manufacturing reactor 2 upper side, oxygen carrier granule then under air reactor 3 inside is compared with the suction of high gas velocity by the second dipleg 9 with entrainment hole 8 and enter air reactor 3, and generate ferric oxide with the air reaction of the gas inlet C come from bottom air reactor 3, iron-based oxygen carrier again " oxygen carrier " achieves the process of its oxidation regeneration.Oxygen-denuded air is discharged by the second product exit F on air reactor 3 top, and oxygen carrier granule clashes into gas-solid separator 4 under comparatively high gas velocity, fall back in division plate 5 and the first dipleg 6 under inertial force, then enter fuel reactor 1, participate in next reduction---hydrogen manufacturing---oxidation cycle reaction process.Be provided with scum pipe bottom fuel reactor 1, hydrogen-manufacturing reactor 2 and air reactor 3, air reactor 3 top is provided with charging opening, in reaction process, the oxygen carrier granule of part inactivation is discharged by respective scum pipe.Meanwhile, fresh oxygen carrier granule joins in reactor assembly by charging opening, to keep the material balance of whole system.
Claims (10)
1. a chain circulation reacts the device that separating carbon dioxide is worked in coordination with in hydrogen manufacturing, it is characterized in that, this device comprises fuel reactor (1), hydrogen-manufacturing reactor (2), air reactor (3), gas-solid separator (4), division plate (5), the first dipleg (6), vertical feed back pipe (7) and the second dipleg (9);
Fuel reactor (1) is fixedly connected on the top of air reactor (3), hydrogen-manufacturing reactor (2) is fixedly connected on the bottom of air reactor (3), fuel reactor (1) and hydrogen-manufacturing reactor (2) are all positioned at the outside of air reactor (3), and fuel reactor (1), hydrogen-manufacturing reactor (2) and air reactor (3) are coaxially arranged; Gas-solid separator (4) is fixedly connected on the top of air reactor (3);
The top of division plate (5) is fixedly connected on the inner-wall surface of fuel reactor (1), the bottom of division plate (5) is connected with the top of the first dipleg (6), have space between the bottom of the first dipleg (6) and the bottom surface of fuel reactor (1), the first dipleg (6) is positioned at the outside of air reactor (3); Air reactor (3) is connected by the first dipleg (6) with fuel reactor (1);
Fuel reactor (1) is connected by vertical feed back pipe (7) with hydrogen-manufacturing reactor (2); The bottom wall of air reactor (3) is provided with and entrainments hole (8), second dipleg (9) is fixedly connected on the bottom surface of hydrogen-manufacturing reactor (2), second dipleg (9) is positioned at the outside of entrainmenting hole (8), the bottom of hydrogen-manufacturing reactor (2) and the bottom of air reactor (3) by the second dipleg (9) with entrainment hole (8) and be connected;
Fuel reactor (1) bottom is provided with gas fuel inlet, fuel reactor (1) sidepiece is provided with the first product exit for gaseous product in discharge fuel reactor (1), and the top of fuel reactor (1) is provided with the second product exit for gaseous product in discharged air reactor (3); Hydrogen-manufacturing reactor (2) bottom is provided with steam entry, and the sidepiece of hydrogen-manufacturing reactor (2) is provided with hydrogen outlet; Air reactor (3) bottom is provided with gas inlet.
2. the device of separating carbon dioxide is worked in coordination with in chain circulation reaction hydrogen manufacturing according to claim 1, it is characterized in that, fill oxygen carrier granule in described fuel reactor (1), hydrogen-manufacturing reactor (2), air reactor (3), the first dipleg (6), the second dipleg (9) and vertical feed back pipe (7), sealed by the oxygen carrier granule be deposited in the first dipleg (6) between fuel reactor (1) and air reactor (3); Sealed by the oxygen carrier granule in vertical feed back pipe (7) between fuel reactor (1) and hydrogen-manufacturing reactor (2); Sealed by the oxygen carrier granule be deposited in the second dipleg (9) between hydrogen-manufacturing reactor (2) and air reactor (3); The degree of filling of vertical feed back pipe (7), the first dipleg (6) and the second dipleg (9) interior oxygen carrier granule is regulated by the gas flow entered in fuel reactor (1), hydrogen-manufacturing reactor (2) and air reactor (3).
3. the device of separating carbon dioxide is worked in coordination with in chain circulation reaction hydrogen manufacturing according to claim 1, it is characterized in that, air compartment, air distribution plate and scum pipe are all arranged in the bottom of described fuel reactor (1), hydrogen-manufacturing reactor (2) and air reactor (3).
4. the device of separating carbon dioxide is worked in coordination with in chain circulation reaction hydrogen manufacturing according to claim 1, and it is characterized in that, described vertical feed back pipe (7) is four, and centered by air reactor (3), is evenly laid in the periphery of air reactor (3).
5. the device of separating carbon dioxide is worked in coordination with in chain circulation reaction hydrogen manufacturing according to claim 1, and it is characterized in that, described entrainments hole (8) centered by air reactor (3) central shaft, adopts circular array symmetrical expression to arrange.
6. the device of separating carbon dioxide is worked in coordination with in chain circulation according to claim 1 reaction hydrogen manufacturing, it is characterized in that, the height of described the second dipleg (9) is for entrainmenting hole (8) to 3 ~ 5 times of hydrogen-manufacturing reactor (2) floor height.
7. the device of separating carbon dioxide is worked in coordination with in chain circulation reaction hydrogen manufacturing according to claim 1, it is characterized in that, described division plate (5), the first dipleg (6) and the second dipleg (9) all centered by air reactor (3), in coaxial circles ring structure.
8. work in coordination with the device of separating carbon dioxide according to the chain circulation reaction hydrogen manufacturing in claim 1 to 7 described in any one, it is characterized in that: described gas-solid separator (4) is broad-brimmed rain hat type inertial separator; Described fuel reactor (1) and hydrogen-manufacturing reactor (2) operation scheme are bubbling fluidized bed; The operation scheme of described air reactor (3) is fast fluidized bed.
9. a method of work for the device of separating carbon dioxide is worked in coordination with in chain circulation reaction hydrogen manufacturing as claimed in claim 1, it is characterized in that: this method of work comprises following process:
The first step: be separated and collect carbonic acid gas: first fuel reactor (1) being heated to 850 ~ 1000 DEG C, geseous fuel is passed into fuel reactor (1) from the gas fuel inlet of fuel reactor (1), geseous fuel reacts with the ferric oxide of the iron-based oxygen carrier granule being arranged in fuel reactor (1), generate the mixture of carbonic acid gas and water vapour, iron-based oxygen carrier granule is reduced into iron protoxide or fe particle; This gaseous mixture is discharged by the first product exit of fuel reactor (1), and after condensation, obtains pure carbon dioxide, realizes the enrichment of carbonic acid gas;
Second step: hydrogen making: iron protoxide or fe particle enter in hydrogen-manufacturing reactor (2) by vertical feed back pipe (7); Water vapour is passed in hydrogen-manufacturing reactor (2) by the steam entry of hydrogen-manufacturing reactor (2), iron protoxide or fe and water vapour reaction generate hydrogen, the hydrogen outlet of this hydrogen by hydrogen-manufacturing reactor (2) is discharged, realize producing of high-purity hydrogen, simultaneous oxidation ferrous iron or the oxidized generation ferriferrous oxide particles of fe particle;
3rd step: the oxidation regeneration of iron-based oxygen carrier granule: air is passed in air reactor (3) by the gas inlet of air reactor (3), the ferriferrous oxide particles being arranged in hydrogen-manufacturing reactor (2) passes through the second dipleg (9) and entrainments hole (8), entered in air reactor (3) by Air Entrainment, and with air generation complete oxidation, generate ferric oxide particle, be separated and the first dipleg (6) from device (4) through gas-solid, ferric oxide particle enters in fuel reactor (1) again.
10. work in coordination with the method for work of the device of separating carbon dioxide according to chain circulation reaction hydrogen manufacturing according to claim 9, it is characterized in that: also comprise the 4th step: return the first step, realize circulation hydrogen manufacturing and separating carbon dioxide, until quit work.
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| CN201410480763.0A CN104229798B (en) | 2014-09-19 | 2014-09-19 | Device and the method for work thereof of separating carbon dioxide are worked in coordination with in chain circulation reaction hydrogen manufacturing |
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| CN201410480763.0A CN104229798B (en) | 2014-09-19 | 2014-09-19 | Device and the method for work thereof of separating carbon dioxide are worked in coordination with in chain circulation reaction hydrogen manufacturing |
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Cited By (4)
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| CN104788999A (en) * | 2015-03-26 | 2015-07-22 | 青岛大学 | Device for preparing carbon black through chemical chain pyrolysis of coal tar |
| CN104804478A (en) * | 2015-03-26 | 2015-07-29 | 青岛大学 | Method for preparing carbon black through coal tar chemical chain pyrolysis |
| CN105600747A (en) * | 2016-03-08 | 2016-05-25 | 东南大学 | Chemical chain hydrogen production device and method based on metal oxygen carrier |
| CN115353912A (en) * | 2022-08-22 | 2022-11-18 | 东南大学 | Biomass negative carbon hydrogen production device and method |
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| CN102219183A (en) * | 2011-04-27 | 2011-10-19 | 东南大学 | Double-circulation chained combustion hydrogen heat coproduction and CO2 separating method and device thereof |
| CN103332650A (en) * | 2013-06-04 | 2013-10-02 | 东南大学 | System and method for simultaneous dry-method hydrogen production from catalytic methane decomposition and carbon dioxide separation |
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| CN101765559A (en) * | 2007-07-27 | 2010-06-30 | 新日本石油株式会社 | Method and apparatus for hydrogen production and carbon dioxide recovery |
| CN102219183A (en) * | 2011-04-27 | 2011-10-19 | 东南大学 | Double-circulation chained combustion hydrogen heat coproduction and CO2 separating method and device thereof |
| CN103332650A (en) * | 2013-06-04 | 2013-10-02 | 东南大学 | System and method for simultaneous dry-method hydrogen production from catalytic methane decomposition and carbon dioxide separation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104788999A (en) * | 2015-03-26 | 2015-07-22 | 青岛大学 | Device for preparing carbon black through chemical chain pyrolysis of coal tar |
| CN104804478A (en) * | 2015-03-26 | 2015-07-29 | 青岛大学 | Method for preparing carbon black through coal tar chemical chain pyrolysis |
| CN105600747A (en) * | 2016-03-08 | 2016-05-25 | 东南大学 | Chemical chain hydrogen production device and method based on metal oxygen carrier |
| CN105600747B (en) * | 2016-03-08 | 2017-12-19 | 东南大学 | A kind of hydrogen production of chemical chain device and method based on metal oxygen carrier |
| CN115353912A (en) * | 2022-08-22 | 2022-11-18 | 东南大学 | Biomass negative carbon hydrogen production device and method |
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| CN104229798B (en) | 2016-03-30 |
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