CN110589760A - Chemical chain gasification reforming device and method for controllably removing and adding alkali metal or alkaline earth metal - Google Patents
Chemical chain gasification reforming device and method for controllably removing and adding alkali metal or alkaline earth metal Download PDFInfo
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- 238000002407 reforming Methods 0.000 title claims abstract description 86
- 239000000126 substance Substances 0.000 title claims abstract description 64
- 229910052784 alkaline earth metal Inorganic materials 0.000 title claims abstract description 56
- 150000001342 alkaline earth metals Chemical class 0.000 title claims abstract description 54
- 229910052783 alkali metal Inorganic materials 0.000 title claims abstract description 50
- 150000001340 alkali metals Chemical class 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000002028 Biomass Substances 0.000 claims abstract description 62
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000007789 gas Substances 0.000 claims abstract description 57
- 239000001301 oxygen Substances 0.000 claims abstract description 57
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 57
- 238000000746 purification Methods 0.000 claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 47
- 238000003760 magnetic stirring Methods 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000002253 acid Substances 0.000 claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 16
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 238000002386 leaching Methods 0.000 claims abstract description 8
- 238000007598 dipping method Methods 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract 3
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 239000000243 solution Substances 0.000 claims description 29
- 238000005406 washing Methods 0.000 claims description 17
- 239000007791 liquid phase Substances 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 14
- 239000007790 solid phase Substances 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 11
- 239000001257 hydrogen Substances 0.000 claims description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims description 11
- 239000000969 carrier Substances 0.000 claims description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- 239000012266 salt solution Substances 0.000 claims description 9
- 239000002351 wastewater Substances 0.000 claims description 9
- 239000000047 product Substances 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 230000002572 peristaltic effect Effects 0.000 claims description 5
- 239000012265 solid product Substances 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 3
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 2
- 238000005554 pickling Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract 2
- 241000209094 Oryza Species 0.000 description 9
- 235000007164 Oryza sativa Nutrition 0.000 description 9
- 235000009566 rice Nutrition 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 5
- 238000006057 reforming reaction Methods 0.000 description 5
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- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 2
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- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
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- 238000000975 co-precipitation Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
- C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/0811—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a chemical chain gasification reforming device and a chemical chain gasification reforming method for controllably removing and adding alkali metal or alkaline earth metal, wherein the device comprises a removing component, an adding component, a spiral feeder, a chemical chain gasification reforming device, a cyclone separator and a gas purification device which are sequentially connected, and also comprises a liquid purification device for respectively collecting liquid in the removing component and the adding component, wherein the liquid purification device is connected with the chemical chain gasification reforming device and provides water vapor for the chemical chain gasification reforming device; the method comprises the steps of stirring and pickling biomass raw materials with an acid solution in a magnetic stirring removal device, entering a magnetic stirring adding device after filter pressing and leaching, stirring and dipping with an alkali metal or alkaline earth metal solution, continuously stirring, uniformly mixing and reacting with an oxygen carrier and water vapor in a chemical chain gasification reforming device after filter pressing, adjusting the adding amount of the water vapor to controllably adjust the proportion of synthesis gas, continuously reacting the oxygen carrier in an air reactor, mixing with pretreated biomass again, and continuing the next cycle.
Description
Technical Field
The invention relates to the technical field of chemical-looping gasification reforming, in particular to a chemical-looping gasification reforming device and a chemical-looping gasification reforming method capable of removing and adding alkali metal or alkaline earth metal controllably.
Background
Chemical looping gasification is a novel gasification technology. Chemical looping gasification systems typically consist of two reactors in series (a fuel reactor and an air reactor) with an oxygen carrier circulating between the two reactors. The lattice oxygen in the oxygen carrier serves as a medium for conventional gasification reactions throughout the cycle and provides the necessary oxygen element for the fuel gasification reaction. Furthermore, by controlling the ratio of lattice oxygen to fuel, H can be obtained2And syngas with CO as the main constituent. The technology has the advantages that oxygen carriers are used for circularly supplying oxygen, so that the cost is saved; can control H2And the proportion of CO, so that the ideal synthesis gas required by chemical products can be obtained conveniently; the oxygen carrier can catalyze and promote the reaction and improve the gasification reaction efficiency. Therefore, the exploration and development of the biomass chemical-looping gasification technology have extremely high application value.
The agricultural and forestry wastes have various types and large performance difference, and the types and the content of alkali metals in the biomass also have large difference. In the biomass gasification process, alkali metal and alkaline earth metal (AAEM) are used as trace elements with the largest content in agricultural and forestry waste, so that the problems of furnace hearth material slagging, heating surface ash deposition corrosion and the like are easily caused, and the combustion, pyrolysis and gasification reaction of biomass are hindered. Meanwhile, researches show that alkali metal or alkaline earth metal plays a certain role in catalysis or inhibition in the biomass pyrolysis, gasification and combustion processes, and the reaction process is uncontrolled, so that the differences of the reaction performance, the dynamic characteristic, the gas product precipitation characteristic and other performances of the biomass are obvious, and the efficiency and the safety of biomass centralized treatment are further influenced; in the gasification reaction, the gasification efficiency greatly fluctuates, and the gas quality is unstable, thereby affecting the quality of chemical products or the combustion condition.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a device for preparing synthesis gas by biomass chemical-looping gasification reforming, wherein alkali metals or alkaline-earth metals are removed and added controllably, the device can efficiently and continuously remove the alkali metals or the alkaline-earth metals of a biomass raw material, slow down the inhibition effect of the alkali metals or the alkaline-earth metals, and can controllably add the needed alkali metals or the alkaline-earth metals with the catalytic action, thereby achieving the purpose of efficiently pretreating the raw material of the chemical-looping gasification reaction.
Another object of the present invention is to provide a method for preparing synthesis gas by chemical looping gasification reforming of biomass, in which alkali metals or alkaline earth metals can be controllably removed and added, the method can combine raw material pretreatment and chemical looping gasification reforming reaction, reduce agglomeration of biomass and oxygen carriers during the reaction process, improve the reaction efficiency, and controllably adjust the composition of combustible gas during the reaction process.
The technical scheme of the invention is as follows: a chemical chain gasification reforming device for controllably removing and adding alkali metal or alkaline earth metal comprises a removing component, an adding component, a spiral feeder, a chemical chain gasification reforming device, a cyclone separator and a gas purification device which are sequentially connected, and further comprises a liquid purification device for respectively collecting liquid in the removing component and the adding component, wherein the liquid purification device is connected with the chemical chain gasification reforming device and provides water vapor for the chemical chain gasification reforming device;
get rid of the subassembly including the magnetic stirring remove device who connects gradually, get rid of coil formula pressure filter and get rid of chain conveyor, add the subassembly including the magnetic stirring who connects gradually add the device, add coil formula pressure filter and add chain conveyor.
The liquid phase channel of the removal coil type filter press is connected with the liquid purification device, the solid phase channel of the removal coil type filter press is connected with the removal chain type conveyer belt, a leaching device is arranged above the removal chain type conveyer belt, and leaching water is introduced into the liquid purification device.
The liquid phase channel of the adding coil type filter press is connected with the liquid purification device, the solid phase channel of the adding coil type filter press is connected with the adding chain type conveyer belt, and the outlet end of the removing chain type conveyer belt is connected with the magnetic stirring adding device.
The spiral feeder adopts a shaftless spiral reactor, the inlet of the spiral feeder is connected with the outlet end of the adding chain type conveying belt, and the outlet of the spiral feeder is connected with the chemical chain gasification reforming device.
The chemical chain gasification reforming device adopts a shaftless spiral reactor, and comprises a feed inlet, a steam channel, an oxygen carrier circulation channel and a discharge port, wherein the feed inlet is connected with a spiral feeder, the steam channel is connected with a liquid purification device, a peristaltic pump is arranged between the steam channel and the liquid purification device, the discharge port is connected with a cyclone separator, a gas outlet of the cyclone separator is connected with a gas purification device and a gas storage tank, a solid outlet of the cyclone separator is connected with an air reactor, and the air reactor leads to the chemical chain gasification reforming device to form the oxygen carrier circulation channel.
A chemical looping gasification reforming process with controlled removal and addition of alkali or alkaline earth metals, the process comprising:
feeding the biomass raw material into a magnetic stirring removal device, adding an acid solution, continuously stirring in the magnetic stirring removal device for acid washing, separating water into a liquid purification device through a liquid phase channel by a removal rotary tube type filter press for purification treatment, and feeding the filter-pressed biomass into a removal chain conveyor belt through a solid phase channel;
during the process of removing chain conveyor belt and transporting biomass, continuously washing an acid solution on the biomass by a leaching device, conveying the washed biomass to a magnetic stirring adding device, simultaneously adding an alkali metal or alkaline earth metal solution into the magnetic stirring adding device, continuously stirring and dipping in the magnetic stirring adding device, separating water into a liquid purifying device through an adding coil type filter press through a liquid phase channel for purifying treatment, and conveying the filter-pressed biomass to a spiral feeder through a solid phase channel by an adding chain conveyor belt;
the biomass after passing through the spiral feeder, the high-temperature oxygen carrier after being oxidized by the air reactor and the water vapor provided by the liquid purification device after treating the wastewater are respectively sent to the chemical-looping gasification reforming device and are uniformly mixed, and the biomass, the water vapor and the oxygen carrier react in the chemical-looping gasification reforming device;
products obtained by reaction in the chemical chain gasification reforming device are separated by a cyclone separator, and synthetic gas is treated by a gas purification device and then is sent into a gas storage tank; the solid product enters an air reactor from a solid outlet of the cyclone separator, the reduced oxygen carrier reacts with air in the air reactor to form an oxidized oxygen carrier, and the oxidized oxygen carrier is sent into the chemical-looping gasification reforming device again to complete the primary circulation of preparing the synthesis gas by the chemical-looping gasification reforming of the biomass with the controllable removal and addition of alkali metal or alkaline earth metal; the above circulation is repeatedly operated, and biomass pretreatment of continuously and controllably removing and adding alkali metals or alkaline earth metals can be realized.
The biomass raw materials are stirred and pickled for 1-5 hours in a magnetic stirring removal device, the mass ratio of an acid solution to the biomass raw materials is 10: 1-90: 1, the acid solution is hydrochloric acid, sulfuric acid, nitric acid or acetic acid, and the mass concentration of the acid solution is not more than 9%.
The mass concentration of the alkali metal or alkaline earth metal solution added into the magnetic stirring and adding device is not more than 24%, the alkali metal or alkaline earth metal solution adopts corresponding inorganic salt or organic salt solution, and one salt solution is added singly or a plurality of salt solutions are mixed and added.
The reaction time of the biomass, the steam and the oxygen carrier in the chemical chain gasification reforming device is 15-40 min, the ratio of hydrogen to carbon monoxide in the synthesis gas is adjusted by controlling the adding amount of the steam in the chemical chain gasification reforming device, and the adjustable range of the ratio of the hydrogen to the carbon monoxide is 0.5-6.0.
In the circulation process, when the hydrogen concentration value in the synthesis gas is reduced by 5%, 10% of oxygen carrier is required to be taken out from the solid outlet of the cyclone separator for activation, and 10% of fresh oxygen carrier is required to be fed into the chemical chain gasification reforming device.
Compared with the prior art, the invention has the following beneficial effects:
1. the biomass is pickled by magnetic stirring, so that alkali metals or alkaline earth metals of the biomass raw material are efficiently removed, the inhibition effect of the biomass raw material on chemical chain gasification reforming reaction is slowed down, and the agglomeration and caking phenomena of the biomass and an oxygen carrier are reduced.
2. The method can controllably add the needed alkali metal or alkaline earth metal with catalytic action, improve the reaction efficiency of biomass chemical-looping gasification reforming, and control the adding amount of water vapor to controllably adjust the combustible gas components in the reaction process under the action of the alkali metal or alkaline earth metal.
3. The device has low price and strong practicability, the adopted method is simple and easy to implement, meets the environmental protection requirement, can be widely used in the agricultural and forestry waste thermochemical energy conversion processes such as biomass continuous pretreatment, continuous gasification reforming, rural distributed energy and the like, and has wide application prospect.
Drawings
FIG. 1 is a schematic view of the structure of the apparatus of the present invention.
FIG. 2 is a process flow diagram of the method of the present invention.
FIG. 3 shows the test results of example 2.
The reference numbers and corresponding part names in the figures are: the device comprises a magnetic stirring removal device 1, a removal coil type press filter 2, a leaching device 3, a liquid purification device 4, a chain conveyor belt 5, a magnetic stirring adding device 6, an addition coil type press filter 7, an addition chain conveyor belt 8, a peristaltic pump 9, a spiral feeder 10, a chemical chain gasification reforming device 11, a cyclone separator 12, an air reactor 13, a gas purification device 14 and a gas storage tank 15.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Example 1
The chemical looping gasification reforming device for controllably removing and adding the alkali metal or the alkaline earth metal comprises a removing component for removing the AAEM, an adding component for adding the AAEM with catalytic action, a screw feeder, a chemical looping gasification reforming device for providing a reaction site, a cyclone separator and a gas purifying device which are sequentially connected, and further comprises a liquid purifying device for respectively collecting liquid in the removing component and the adding component, wherein the liquid purifying device is connected with the chemical looping gasification reforming device and provides water vapor for the chemical looping gasification reforming device;
get rid of the subassembly including the magnetic stirring remove device who connects gradually, get rid of coil formula pressure filter and get rid of chain conveyor, add the subassembly including the magnetic stirring who connects gradually add the device, add coil formula pressure filter and add chain conveyor.
Get rid of the exit linkage of the entry of coil filter press and magnetic stirring remove device, the export of getting rid of coil filter press divides into two the tunnel, link to each other with liquid purification device for getting rid of the liquid phase passageway of coil filter press all the way, another way links to each other with the entry of getting rid of chain conveyor for getting rid of the solid phase passageway of coil filter press, it still is equipped with the drip washing device to get rid of chain conveyor top, the spray shower nozzle that chain conveyor set up is got rid of for a plurality of orientations to the drip washing device, the drip washing device is used for wasing remaining acid solution on the living beings, the drip washing water lets in liquid purification device and carries out waste water purification. The removal chain conveyor belt is controlled by a motor to control the conveying speed, and the speed of the motor is determined by the speed of the motor in the chemical chain gasification reforming device.
The inlet of the adding coil type filter press is connected with the outlet of the magnetic stirring adding device, the outlet of the adding coil type filter press is divided into two paths, one path is a liquid phase channel for adding the coil type filter press and is connected with a liquid purification device, the liquid purification device is used for purifying waste water, the other path is a solid phase channel for adding the coil type filter press and is connected with the inlet of the adding chain type conveying belt, and the outlet end of the removing chain type conveying belt is connected with the magnetic stirring adding device. The adding chain conveyer belt is controlled by a motor to control the conveying speed, and the speed of the motor is consistent with that of the motor for removing the chain conveyer belt.
The inlet of the screw feeder is connected with the outlet end of the adding chain type conveyer belt, the screw feeder adopts a shaftless screw reactor, and the outlet of the screw feeder is connected with the feed inlet of the chemical chain gasification reforming device. The feed rate is controlled by a motor whose speed is determined by the supply of material in the chemical looping gasification reformer.
The chemical chain gasification reforming device adopts a shaftless spiral reactor, the chemical chain gasification reforming device comprises a feed inlet, a steam channel, an oxygen carrier circulation channel and a discharge port, the feed inlet is connected with an outlet of a spiral feeder, the steam channel is connected with a liquid purification device, a peristaltic pump is arranged between the steam channel and the liquid purification device, the waste water treated by the liquid purification device provides steam required by reaction for the chemical chain gasification reforming device, the discharge port of the chemical chain gasification reforming device is connected with a cyclone separator, a reaction product is sent into the cyclone separator to separate solid particles in air flow by using centrifugal force, the cyclone separator is provided with a gas outlet and a solid outlet, the gas outlet of the cyclone separator is connected with a gas purification device and a gas storage tank, the solid outlet of the cyclone separator is connected with an air reactor, and the air reactor leads to the chemical chain gasification reforming device to form the oxygen carrier circulation channel, the air reactor is used for enabling the oxygen carrier to react with air, and then the oxygen carrier is sent into the chemical chain gasification reforming device to react with the water vapor and the biomass raw material, so that the cyclic utilization of the oxygen carrier is realized. The speed of the chemical-looping gasification reforming device is controlled by a motor, the speed of the motor is determined by the supply amount of materials, and meanwhile, the reaction time of the materials in the chemical-looping gasification reforming device is required to be guaranteed to reach 15-40 min. The rate at which the oxygen carrier is delivered by the air reactor outlet is determined by the ratio of the feed to the oxygen carrier feed.
The liquid purification device can adopt a purification device with multi-layer filtering and adsorption functions, and can adopt a conventional purification device on the market. The air reactor mainly adopts a circulating fluidized bed or a fixed bed, air is introduced, and the air reacts with the reduced oxygen carrier under the action of high temperature to form the oxygen carrier in an oxidation state. The gas purification device is mainly used for removing water vapor and tar in gas through condensation, and then removing tiny particles in the gas through cloth bag dust removal. The air reactor and the gas purification device can be conventional devices on the market, and are not described in detail herein.
The present embodiment also provides a chemical looping gasification reforming method with controllable removal and addition of alkali metals or alkaline earth metals, and fig. 2 is a flow chart of the method, which comprises the following steps:
the method comprises the steps of feeding the biomass raw material into a magnetic stirring removal device, adding an acid solution with the mass concentration not more than 9%, wherein the mass ratio of the acid solution to the biomass raw material is 10: 1-90: 1, and continuously stirring the acid solution in the magnetic stirring removal device by using hydrochloric acid, sulfuric acid, nitric acid or acetic acid for pickling for 1-5 hours. After acid washing is finished, the biomass enters a removal coil type filter press from an outlet of a magnetic stirring removal device, water is separated to a liquid purification device through a liquid phase channel by the removal coil type filter press for purification treatment, and the filter-pressed biomass enters a removal chain type conveyor belt through a solid phase channel;
during getting rid of chain conveyor belt transportation living beings, the acid solution on the living beings is washd in succession to the drip washing device, and liquid after the drip washing is carried to liquid purifier and is carried out waste water purification treatment, and the living beings after the washing are carried to magnetic stirring and are added the device, add alkali metal or alkaline earth metal solution that the mass concentration is no more than 24% in adding the device to magnetic stirring simultaneously, and the proportion scope of alkali metal or alkaline earth metal solution and living beings raw materials volume is 10:1 to 100: the alkali metal or alkaline earth metal solution adopts corresponding inorganic salt or organic salt solution, and one salt solution can be singly added or a plurality of salt solutions can be mixed and added. Continuously stirring and dipping in a magnetic stirring adding device for 1-5 h, separating water into a liquid purifying device through an adding coil type filter press through a liquid phase channel for purifying, and conveying the filter-pressed biomass to a screw feeder through an adding chain type conveying belt through a solid phase channel;
the biomass after passing through the spiral feeder, the high-temperature oxygen carrier after being oxidized by the air reactor and the water vapor provided by the liquid purification device after treating the wastewater are respectively sent to a chemical-looping gasification reforming device, the shaftless spiral reactor is driven to continuously stir by regulating and controlling the rotating speed of a motor, so that the materials are uniformly mixed, and the biomass, the water vapor and the oxygen carrier in the chemical-looping gasification reforming device react for 15-40 min; the ratio of hydrogen to carbon monoxide in the synthesis gas is adjusted by controlling the adding amount of the steam in the chemical-looping gasification reforming device, and the adjustable range of the ratio of the hydrogen to the carbon monoxide is 0.5-6.0.
Products obtained by reaction in the chemical chain gasification reforming device are separated by a cyclone separator, and synthetic gas enters a gas purification device from a gas outlet of the cyclone separator for treatment and then is sent into a gas storage tank; solid products enter the air reactor from a solid outlet of the cyclone separator, reduced oxygen carriers react with air in the air reactor to form oxidized oxygen carriers, and the oxygen carriers are sent to the chemical-looping gasification reforming device again to circulate the oxygen carriers, so that primary circulation of preparing synthesis gas by biomass chemical-looping gasification reforming with controllable removal of alkali metals or alkaline-earth metals and addition is completed;
the above circulation is repeatedly operated, and biomass pretreatment of continuously and controllably removing and adding alkali metals or alkaline earth metals can be realized. Meanwhile, by detecting the concentration value of hydrogen in the gas phase product, if the concentration value of hydrogen in the synthesis gas is reduced by 5%, 10% of oxygen carriers need to be taken out from a solid outlet of the cyclone separator for activation, and 10% of fresh oxygen carriers need to be fed into the chemical-looping gasification reforming device.
Example 2
In this example, the apparatus of example 1 was used to test the changes in the effect of the concentration of synthesis gas and the reaction efficiency of the invention using rice hulls having a water content of 8.47% as biomass feedstock. In which 3 control groups were set: one is a control group 1 and is a blank control group, and the rice hulls directly carry out chemical chain gasification reforming reaction without removing and adding alkali metal or alkaline earth metal; one is a control group 2, the rice hulls are subjected to chemical chain gasification reforming reaction after alkali metal or alkaline earth metal is removed but no alkali metal or alkaline earth metal is added; the other is a control group 3, the rice hulls are removed and added with alkali metal or alkaline earth metal, and then chemical chain gasification reforming reaction is carried out. The effect achieved by the present invention is demonstrated by comparing the syngas concentrations and reaction efficiencies produced by these 3 controls.
The specific operation steps of the control group 3 are as follows:
(1) sending the rice hulls with the water content of 8.47% into a magnetic stirring removal device, adding a nitric acid solution with the mass concentration of 5% at the same time, wherein the mass ratio of the nitric acid solution to the biomass raw material is 50: 1, continuously stirring in a magnetic stirring removal device to carry out acid washing for 3 hours, after the acid washing is finished, feeding the mixture into a removal coil type press filter from an outlet of the magnetic stirring removal device, separating water into a liquid purification device through a liquid phase channel by the removal coil type press filter to carry out purification treatment, and feeding the filter-pressed biomass into a removal chain conveyor belt through a solid phase channel;
(2) during getting rid of chain conveyor belt transportation living beings, the acid solution on the living beings is washd in succession to the drip washing device, and liquid after the drip washing is carried to liquid purifier and is carried out waste water purification treatment, and the living beings after the washing are carried to magnetic stirring and are added the device, add the calcium acetate solution that the mass concentration is 3% in adding the device toward magnetic stirring simultaneously, and calcium acetate solution and rice husk volume proportion are 100: 1, continuously stirring and dipping for 3 hours in a magnetic stirring and adding device, separating water to a liquid purification device through a liquid phase channel by an adding coil type filter press for purification treatment, and conveying the filter-pressed biomass to a spiral feeder through a solid phase channel by an adding chain type conveyer belt;
(3) the biomass after passing through the spiral feeder, the high-temperature oxygen carrier after being oxidized by the air reactor and the water vapor provided by the liquid purification device after treating the wastewater are respectively sent to a chemical-looping gasification reforming device, the shaftless spiral reactor is driven to continuously stir by regulating and controlling the rotating speed of a motor, so that the materials are uniformly mixed, and the biomass, the water vapor and the oxygen carrier in the chemical-looping gasification reforming device react for 30 min; the reaction temperature of the chemical chain gasification reforming device is set to be 800 ℃, the oxygen carrier is prepared by a coprecipitation method of ferric nitrate and aluminum nitrate, the ratio of the oxygen carrier to the rice hulls is 1.5, and the flow of water introduced by a peristaltic pump per hour is 3 times of the amount of the rice hulls.
(4) Products obtained by reaction in the chemical-looping gasification reforming device are separated by a cyclone separator, synthetic gas enters a gas purification device from a gas outlet of the cyclone separator for treatment and then is sent into a gas storage tank, and then the gas is taken out from the gas storage tank for detection; and the solid product enters the air reactor from a solid outlet of the cyclone separator, the reduced oxygen carrier reacts with air in the air reactor to form an oxidized oxygen carrier, and the oxidized oxygen carrier is sent to the chemical-looping gasification reforming device again for circulation of the oxygen carrier, so that primary circulation of preparing the synthesis gas by the biomass chemical-looping gasification reforming with controllable removal and addition of alkali metal or alkaline earth metal is completed.
The above is the whole test process of the control group 3, the test process of the control group 1 does not pass through the steps (1) and (2), and directly passes through the steps (3) and (4), and the test process of the control group 2 does not pass through the step (1), and directly passes through the steps (2) to (4).
The test results are shown in fig. 3 and table 1. As can be seen from fig. 3, the hydrogen content of the control group 3 was slightly increased and the carbon dioxide concentration was decreased after the treatment according to the present invention, and the concentrations of carbon monoxide and methane were not significantly different from those of the control group 1. Showing that the effective components of the syngas are increased after the treatment of the present invention.
As can be seen from table 1, compared with the control group 1, after removing the alkali metal or alkaline earth metal in the rice hull, the carbon conversion efficiency and the gasification efficiency of the control group 2 are respectively improved by 20.92% and 29.44%; after the treatment of the present invention, the carbon conversion efficiency and gasification efficiency of the control group 3 were improved by 73.64% and 88.75%, respectively, compared to the control group 1. Therefore, after the alkali metal or the alkaline earth metal is controllably removed and added, the effective components of the synthesis gas subjected to chemical-looping gasification reforming are increased, and the carbon conversion efficiency and the gasification efficiency are greatly improved.
TABLE 1 comparison of carbon conversion efficiency and Oxidation efficiency for each control group
Control group | Carbon conversion efficiency (%) | Gasification efficiency (%) |
1 | 24.66 | 43.04 |
2 | 29.82 | 55.71 |
3 | 42.82 | 81.24 |
As mentioned above, the present invention can be better realized, and the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes and modifications made according to the present disclosure are intended to be covered by the scope of the claims of the present invention.
Claims (10)
1. The chemical-looping gasification reforming device capable of controllably removing and adding the alkali metal or the alkaline earth metal is characterized by comprising a removing component, an adding component, a spiral feeder, a chemical-looping gasification reforming device, a cyclone separator and a gas purifying device which are sequentially connected, and further comprising a liquid purifying device for respectively collecting liquid in the removing component and the adding component, wherein the liquid purifying device is connected with the chemical-looping gasification reforming device and provides water vapor for the chemical-looping gasification reforming device;
get rid of the subassembly including the magnetic stirring remove device who connects gradually, get rid of coil formula pressure filter and get rid of chain conveyor, add the subassembly including the magnetic stirring who connects gradually add the device, add coil formula pressure filter and add chain conveyor.
2. The chemical looping gasification reforming device for removing and adding alkali metals or alkaline earth metals controllably as claimed in claim 1, wherein the liquid phase channel of the removal coil type filter press is connected with a liquid purification device, the solid phase channel of the removal coil type filter press is connected with a removal looping conveyor belt, a leaching device is arranged above the removal looping conveyor belt, and leaching water is introduced into the liquid purification device.
3. The chemical looping gasification reforming device for the controlled removal and addition of alkali metals or alkaline earth metals as claimed in claim 1, wherein the liquid phase channel of the additional spiral tube type pressure filter is connected with a liquid purification device, the solid phase channel of the additional spiral tube type pressure filter is connected with an additional looping conveyor belt, and the outlet end of the removal looping conveyor belt is connected with a magnetic stirring and adding device.
4. The chemical looping gasification reforming device for removing and adding alkali metals or alkaline earth metals in a controlled manner as claimed in claim 1, wherein the screw feeder is a shaftless screw reactor, an inlet of the screw feeder is connected with an outlet end of the adding chain conveyor belt, and an outlet of the screw feeder is connected with the chemical looping gasification reforming device.
5. The chemical looping gasification reforming device for removing and adding the alkali metal or the alkaline earth metal controllably according to claim 1, characterized in that the chemical looping gasification reforming device adopts a shaftless spiral reactor, the chemical looping gasification reforming device comprises a feed inlet, a water vapor channel, an oxygen carrier circulation channel and a discharge outlet, the feed inlet is connected with a spiral feeder, the water vapor channel is connected with a liquid purification device, a peristaltic pump is arranged between the water vapor channel and the liquid purification device, the discharge outlet is connected with a cyclone separator, a gas outlet of the cyclone separator is connected with the gas purification device and a gas storage tank, a solid outlet of the cyclone separator is connected with an air reactor, and the air reactor leads to the chemical looping gasification reforming device to form the oxygen carrier circulation channel.
6. A chemical looping gasification reforming process with controlled removal and addition of alkali or alkaline earth metals, the process comprising:
feeding the biomass raw material into a magnetic stirring removal device, adding an acid solution, continuously stirring in the magnetic stirring removal device for acid washing, separating water into a liquid purification device through a liquid phase channel by a removal rotary tube type filter press for purification treatment, and feeding the filter-pressed biomass into a removal chain conveyor belt through a solid phase channel;
during the process of removing chain conveyor belt and transporting biomass, continuously washing an acid solution on the biomass by a leaching device, conveying the washed biomass to a magnetic stirring adding device, simultaneously adding an alkali metal or alkaline earth metal solution into the magnetic stirring adding device, continuously stirring and dipping in the magnetic stirring adding device, separating water into a liquid purifying device through an adding coil type filter press through a liquid phase channel for purifying treatment, and conveying the filter-pressed biomass to a spiral feeder through a solid phase channel by an adding chain conveyor belt;
the biomass after passing through the spiral feeder, the high-temperature oxygen carrier after being oxidized by the air reactor and the water vapor provided by the liquid purification device after treating the wastewater are respectively sent to the chemical-looping gasification reforming device and are uniformly mixed, and the biomass, the water vapor and the oxygen carrier react in the chemical-looping gasification reforming device;
products obtained by reaction in the chemical chain gasification reforming device are separated by a cyclone separator, and synthetic gas is treated by a gas purification device and then is sent into a gas storage tank; the solid product enters an air reactor from a solid outlet of the cyclone separator, the reduced oxygen carrier reacts with air in the air reactor to form an oxidized oxygen carrier, and the oxidized oxygen carrier is sent into the chemical-looping gasification reforming device again to complete the primary circulation of preparing the synthesis gas by the chemical-looping gasification reforming of the biomass with the controllable removal and addition of alkali metal or alkaline earth metal; the above circulation is repeatedly operated, and biomass pretreatment of continuously and controllably removing and adding alkali metals or alkaline earth metals can be realized.
7. The chemical looping gasification reforming method for controllably removing and adding alkali metals or alkaline earth metals as claimed in claim 6, wherein the biomass raw material is stirred and pickled for 1-5 hours in a magnetic stirring removal device, the mass ratio of the acid solution to the biomass raw material is 10: 1-90: 1, the acid solution is hydrochloric acid, sulfuric acid, nitric acid or acetic acid, and the mass concentration of the acid solution is not more than 9%.
8. The chemical looping gasification reforming method for removing and adding alkali metals or alkaline earth metals controllably according to claim 6, characterized in that the mass concentration of the alkali metal or alkaline earth metal solution added in the magnetic stirring adding device is not more than 24%, the alkali metal or alkaline earth metal solution adopts corresponding inorganic salt or organic salt solution, and one salt solution is added singly or a plurality of salt solutions are added in a mixing way.
9. The chemical looping gasification reforming method for removing and adding alkali metals or alkaline earth metals in a controllable manner according to claim 6, wherein the reaction time of the biomass, the steam and the oxygen carrier in the chemical looping gasification reforming device is 15-40 min, the ratio of hydrogen to carbon monoxide in the synthesis gas is adjusted by controlling the adding amount of the steam in the chemical looping gasification reforming device, and the ratio of the hydrogen to the carbon monoxide can be adjusted within the range of 0.5-6.0.
10. The chemical looping gasification reforming method for removing and adding alkali metals or alkaline earth metals controllably according to claim 9, characterized in that, in the circulation process, when the hydrogen concentration value in the synthesis gas is reduced by 5%, 10% of oxygen carriers are required to be taken out from the solid outlet of the cyclone for activation, and 10% of fresh oxygen carriers are required to be fed into the chemical looping gasification reforming device.
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1803599A (en) * | 2005-05-31 | 2006-07-19 | 株洲工学院科技开发部 | Process and apparatus for preparing high-purity silicon dioxide by utilizing rice hull |
CN101979478A (en) * | 2010-10-15 | 2011-02-23 | 济南宝华新能源技术有限公司 | Method for preparing biofuel |
CN102786994A (en) * | 2012-07-25 | 2012-11-21 | 中国科学院广州能源研究所 | Method for preparing methane-rich gas through autocatalytic gasification of biomass |
CN107312574A (en) * | 2017-06-05 | 2017-11-03 | 东北大学 | The preparation method and preparation system of hydrogen-rich synthetic gas and pure hydrogen |
CN108949285A (en) * | 2018-07-18 | 2018-12-07 | 合肥市晶谷农业科技开发有限公司 | A method of reducing cornstalk biological matter granular fuel burning fluxing power |
CN109401789A (en) * | 2018-11-07 | 2019-03-01 | 华南农业大学 | A kind of biomass chemical chain gasification reforms the device and method of step producing synthesis gas and hydrogen-rich gas |
CN211141522U (en) * | 2019-08-27 | 2020-07-31 | 华南农业大学 | Chemical chain reaction device for controllably removing and adding alkali metal or alkaline earth metal |
-
2019
- 2019-08-27 CN CN201910796289.5A patent/CN110589760B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1803599A (en) * | 2005-05-31 | 2006-07-19 | 株洲工学院科技开发部 | Process and apparatus for preparing high-purity silicon dioxide by utilizing rice hull |
CN101979478A (en) * | 2010-10-15 | 2011-02-23 | 济南宝华新能源技术有限公司 | Method for preparing biofuel |
CN102786994A (en) * | 2012-07-25 | 2012-11-21 | 中国科学院广州能源研究所 | Method for preparing methane-rich gas through autocatalytic gasification of biomass |
CN107312574A (en) * | 2017-06-05 | 2017-11-03 | 东北大学 | The preparation method and preparation system of hydrogen-rich synthetic gas and pure hydrogen |
CN108949285A (en) * | 2018-07-18 | 2018-12-07 | 合肥市晶谷农业科技开发有限公司 | A method of reducing cornstalk biological matter granular fuel burning fluxing power |
CN109401789A (en) * | 2018-11-07 | 2019-03-01 | 华南农业大学 | A kind of biomass chemical chain gasification reforms the device and method of step producing synthesis gas and hydrogen-rich gas |
CN211141522U (en) * | 2019-08-27 | 2020-07-31 | 华南农业大学 | Chemical chain reaction device for controllably removing and adding alkali metal or alkaline earth metal |
Non-Patent Citations (1)
Title |
---|
黄叶飞;董红敏;朱志平;陶秀萍;黄宏坤;: "畜禽粪便热化学转换技术的研究进展", 中国农业科技导报, no. 04, pages 22 - 27 * |
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