CN218166554U - CO2 trapping and catalytic conversion all-in-one machine - Google Patents
CO2 trapping and catalytic conversion all-in-one machine Download PDFInfo
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- CN218166554U CN218166554U CN202121957090.5U CN202121957090U CN218166554U CN 218166554 U CN218166554 U CN 218166554U CN 202121957090 U CN202121957090 U CN 202121957090U CN 218166554 U CN218166554 U CN 218166554U
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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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- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
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- Y02C20/40—Capture or disposal of greenhouse gases of CO2
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Abstract
The utility model provides a CO 2 An integrated machine for trapping and catalytic conversion comprises CO 2 Collection module and CO 2 Storage module and CO 2 Conversion module, said CO 2 The trapping module comprises a pretreatment device, an absorption trapping tower and an analytic regeneration tower, wherein the output end of the pretreatment device is connected with the air inlet of the absorption trapping tower, and CO is absorbed and trapped by the absorption trapping tower 2 CO in flue gas 2 And discharging clean flue gas, wherein the spray liquid in the absorption and capture tower absorbs CO in the flue gas 2 The latter is rich liquid and is conveyed to an analytic regeneration tower for analysis, and the CO is 2 The storage module is connected with the analysis regeneration tower and is used for storing CO generated by analysis of the analysis regeneration tower 2 Said CO 2 Conversion module and CO 2 The output ends of the storage modules are connected. The CO is 2 The integrated machine for trapping and catalytic conversion has compact design and small occupied area, can be designed and manufactured in a customized manner according to the requirements of different occasions, and can meet the differentiated requirements of different projects.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to CO 2 The technical field of treatment, in particular to CO 2 A trapping and catalytic conversion integrated machine.
[ background of the invention ]
Carbon dioxide is the most important greenhouse gas on the earth, and the reduction of carbon dioxide emission is a major strategic subject of governments and scientific communities of China. Meanwhile, carbon dioxide is also the carbon resource which is most widely distributed and most abundant in reserves, which means that human beings can convert carbon resources into energy, materials, chemical products and the like while reducing the emission of carbon dioxide as much as possible 2 The trapping device does not recycle the absorbent, wastes a large amount of absorbent, influences the economic nature, provides a CO2 trapping and catalytic conversion all-in-one.
[ Utility model ] content
The purpose of the utility model is to solve the problems in the prior art and provide a CO 2 Trapping and catalysisThe conversion all-in-one machine organically combines carbon capture and carbon utilization, and can reduce cost.
In order to achieve the above object, the utility model provides a CO 2 An integrated machine for trapping and catalytic conversion comprises CO 2 Collection module and CO 2 Storage module and CO 2 Conversion module, said CO 2 The capture module comprises a pretreatment device, an absorption capture tower and an analytic regeneration tower, wherein the output end of the pretreatment device is connected with the air inlet of the absorption capture tower, and the absorption capture tower is used for absorbing and capturing CO 2 CO in flue gas 2 And discharging clean flue gas, wherein the spray liquid in the absorption and capture tower absorbs CO in the flue gas 2 The later form is rich liquid and is conveyed to a desorption regeneration tower for desorption, and the CO is 2 The storage module is connected with the analysis regeneration tower and is used for storing CO generated by analysis of the analysis regeneration tower 2 Said CO 2 Conversion module and CO 2 The output ends of the storage modules are connected with CO 2 CO stored in a memory module 2 The conversion operation is performed for the raw material.
Preferably, the absorption and capture tower is connected with a rich liquid input end of the desorption regeneration tower through an absorbent rich liquid outflow device, the rich liquid is conveyed to the desorption regeneration tower for desorption, the rich liquid exchanges heat with the lean liquid at the bottom of the desorption regeneration tower, the temperature of the rich liquid is raised, the rich liquid enters the middle part of the desorption regeneration tower, the desorbed absorbent flows out from the bottom of the desorption regeneration tower to become the lean liquid, and the lean liquid is injected back to the absorption and capture tower through a lean liquid conveying device.
Preferably, the absorption and capture tower is internally provided with multi-stage CO 2 Spray absorption layer of said multi-stage CO 2 Spraying liquid of the spraying absorption layer absorbs CO in the flue gas 2 The latter is rich liquid.
Preferably, the output end of the desorption regeneration tower is connected with a gas-liquid separator, and the output end of the gas-liquid separator is connected with CO 2 A storage module for analyzing CO analyzed in the regeneration tower 2 Feeding the mixture together with water vapor and gaseous absorbent into a gas-liquid separator, and separating by the gas-liquid separator to obtain CO 2 Product gas and delivery to CO 2 And a storage module.
Preferably, the CO is 2 The storage module comprises a compressor, a cold dryer and a storage tank, the input end of the compressor is connected with the output end of a gas-liquid separator, and CO output by the gas-liquid separator 2 The product gas is compressed by a compressor, the input end of the cold dryer is connected with the output end of the compressor and used for compressing CO 2 The output end of the cold drying machine is connected with a storage tank, and the storage tank is used for storing liquefied CO 2 。
Preferably, the pretreatment device is a spray tower, and the spray tower is used for spraying water and alkali liquor and removing dust and acid gas in the flue gas.
The utility model has the advantages that:
the utility model discloses a modularization, sled dress change integrative structure, standardized design, manufacturing, installation, the cost reduces by a wide margin, and designs compactly, and area is little, can require customized manufacturing according to different occasions to thousand tons of grades and ten thousand tons of grades of standard module make up, can satisfy the differentiation demand of different engineering.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 shows the present invention 2 The structure schematic diagram of the trapping and catalytic conversion all-in-one machine.
[ detailed description ] embodiments
Referring to fig. 1, the present invention relates to a CO 2 An integrated machine for trapping and catalytic conversion comprises CO 2 Capture Module 1, CO 2 Storage module 2 and CO 2 Conversion module 3, the CO 2 The capture module 1 comprises a pretreatment device 11, an absorption capture tower 12 and an analysis regeneration tower 13, wherein the pretreatment device 11 is a spray tower, the spray tower is used for spraying water and alkali liquor and removing dust and acid gas in flue gas, the output end of the pretreatment device 11 is connected with the air inlet of the absorption capture tower 12, and CO is absorbed and captured by the absorption capture tower 12 2 CO in flue gas 2 And discharging clean flue gas, wherein the spray liquid in the absorption and capture tower 12 absorbs CO in the flue gas 2 The latter is rich liquid and is conveyed to the desorption regeneration tower 13 for desorption, and the CO is 2 The storage module 2 is connected with the output end of the analysis regeneration tower 13 and is used for storing CO generated by analysis of the analysis regeneration tower 13 2 Said CO 2 Conversion module 3 with CO 2 The output of the storage module 2 is connected with CO 2 CO stored in the storage module 2 2 The conversion operation is performed for the raw material.
Furthermore, the absorption and capture tower 12 is connected with a rich liquid input end of the desorption regeneration tower 13 through an absorbent rich liquid outflow device, the rich liquid is conveyed to the desorption regeneration tower 13 for desorption, the rich liquid and the lean liquid at the bottom of the desorption regeneration tower 13 exchange heat and rise in temperature and then enter the middle of the desorption regeneration tower 13, the desorbed absorbent flows out of the bottom of the desorption regeneration tower 13 to become the lean liquid, and the lean liquid is injected back to the absorption and capture tower 12 through a lean liquid conveying device, so that the utilization rate of the absorbent can be improved.
Further, a plurality of stages of CO are arranged in the absorption and capture tower 12 2 Spray absorption layer, said multi-stage CO 2 The spray liquid of the spray absorption layer contains an absorbent, and the spray liquid absorbs CO in the flue gas 2 The latter is rich liquid.
Further, the output end of the desorption regeneration tower 13 is connected with a gas-liquid separator 4, and the output end of the gas-liquid separator 4 is connected with CO 2 A storage module 2 for analyzing CO analyzed in the regeneration tower 13 2 Feeding the mixture together with water vapor and gaseous absorbent into a gas-liquid separator, and separating by a gas-liquid separator 4 to obtain CO 2 Product gas and delivery to CO 2 A memory module 2.
Further, the CO is 2 The storage module 2 comprises a compressor, a cold dryer and a storage tank, the input end of the compressor is connected with the output end of the gas-liquid separator 4, and CO output by the gas-liquid separator 4 2 The product gas is compressed by a compressor, and the input end of the cold dryer is connected with the output end of the compressor and used for compressing CO 2 The output end of the cold dryer is connected with a storage tank, and the storage tank is used for storing liquefied CO 2 。
Further, the CO is 2 The conversion module 3 comprises a high pressureA hydrogen storage tank, a reactor, a green hydrogen injection device, an electric heating device, a 3-stage catalyst and a gas flow uniform distribution device thereof, relevant accessory equipment and the like. Hydrogen through photovoltaic or wind-powered electricity generation electrolysis is prepared is stored at high-pressure hydrogen storage tank, and through green hydrogen injection device's tree-shaped spray gun spout into the reactor in, the spray gun rear end sets up the grid, with hydrogen and carbon dioxide fully mixing, back through the rectification grid for in the gas mixture evenly distributed each crystal lattice of catalyst, the gas mixture loops through 3 grades of catalysts, whole reaction process adopts electric heater unit heating heat preservation.
The utility model discloses the working process:
CO 2 the working process of the trapping module 1 is as follows: containing CO 2 After large particle impurities and acidic gases in the flue gas are removed by the pretreatment device 11, the flue gas passes through the multistage CO absorption and capture tower 12 2 Spraying absorption layer for absorbing and trapping CO 2 The absorbent absorbs CO in the flue gas 2 The obtained rich solution is (50-55 ℃), the lean solution discharged from the bottom of the absorption tower enters the bottom of the regeneration tower after heat exchange and temperature rise, the lean solution enters the middle part of the desorption regeneration tower 13 (85-95 ℃), and the desorbed absorbent is changed from the bottom of the desorption regeneration tower 13 into the lean solution and then is injected into the absorption and trapping tower 12. By absorbing CO 2 The purified flue gas is discharged from the top of the absorption and capture tower 12, and the resolved CO is 2 Into CO 2 The memory module 2 stores.
CO 2 The working process of the storage module 2 is as follows: CO desorbed from the desorption/regeneration tower 13 2 Together with water vapor and gaseous absorbent (regenerated gas) are led out from the top of the tower and separated by a gas-liquid separator 4 to obtain CO with the purity of more than 99.5 percent (dry gas) 2 The product gas enters a compressor for compression (2.5MPa, 40 ℃) and then enters a cold dryer; dehydrating and drying by a drying pry of a cold dryer, then entering a cooler and a subcooler of a liquefaction pry, liquefying, cooling and refrigerating to below-20 ℃, and delivering the liquefied gas (1.8-2.2 MPa) to CO 2 And storing the spherical tank.
CO 2 The working process of the conversion module 3 is as follows: the hydrogen/carbon dioxide is used as raw material gas, the conversion rate of the flue gas can reach 40 percent through single pass of the single-layer catalyst in turn, and CO is converted 2 Three-layer catalyst bulk transfer in conversion module 3The chemical rate can reach 80%, and meanwhile, the by-product generation rate is low, and the process selectivity is high.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any is right the utility model discloses scheme after simply changing all belongs to the protection scope of the utility model.
Claims (5)
1. CO (carbon monoxide) 2 Entrapment and catalytic conversion all-in-one, its characterized in that: comprising CO 2 A capture module (1), CO 2 Storage module (2) and CO 2 A conversion module (3), said CO 2 The capture module (1) comprises a pretreatment device (11), an absorption capture tower (12) and an analysis regeneration tower (13), wherein the output end of the pretreatment device (11) is connected with the air inlet of the absorption capture tower (12), the absorption capture tower (12) is connected with the rich liquid input end of the analysis regeneration tower (13) through an absorbent rich liquid outflow device, the analysis regeneration tower (13) is connected with the absorption capture tower (12) through a lean liquid conveying device, and the CO is collected by the CO collection device 2 The storage module (2) is connected with a desorption regeneration tower (13), and the CO 2 Conversion module (3) with CO 2 The output ends of the storage modules (2) are connected.
2. CO as claimed in claim 1 2 Entrapment and catalytic conversion all-in-one, its characterized in that: a plurality of stages of CO are arranged in the absorption and capture tower (12) 2 Spray absorption layer of said multi-stage CO 2 The spraying liquid of the spraying absorption layer absorbs CO in the flue gas 2 The latter is rich liquid.
3. A CO as claimed in claim 1 2 Entrapment and catalytic conversion all-in-one, its characterized in that: the output end of the desorption regeneration tower (13) is connected with a gas-liquid separator (4), and the output end of the gas-liquid separator (4) is connected with CO 2 A storage module (2).
4. A CO as claimed in claim 3 2 Entrapment and catalytic conversion all-in-one, its characterized in that: the CO is 2 StoringThe module (2) comprises a compressor, a cold dryer and a storage tank, the input end of the compressor is connected with the output end of the gas-liquid separator (4), and CO output by the gas-liquid separator (4) 2 The product gas is compressed by a compressor, the input end of the cold dryer is connected with the output end of the compressor and used for compressing CO 2 The output end of the cold drying machine is connected with a storage tank, and the storage tank is used for storing liquefied CO 2 。
5. A CO as claimed in claim 1 2 Entrapment and catalytic conversion all-in-one, its characterized in that: the pretreatment device (11) is a spray tower, and the spray tower is used for spraying water and alkali liquor and removing dust and acid gas in the flue gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121957090.5U CN218166554U (en) | 2021-08-19 | 2021-08-19 | CO2 trapping and catalytic conversion all-in-one machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121957090.5U CN218166554U (en) | 2021-08-19 | 2021-08-19 | CO2 trapping and catalytic conversion all-in-one machine |
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| Publication Number | Publication Date |
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| CN218166554U true CN218166554U (en) | 2022-12-30 |
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| CN202121957090.5U Active CN218166554U (en) | 2021-08-19 | 2021-08-19 | CO2 trapping and catalytic conversion all-in-one machine |
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2021
- 2021-08-19 CN CN202121957090.5U patent/CN218166554U/en active Active
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