CN114405237B - Combined absorption carbon dioxide capture and compression treatment system and process - Google Patents
Combined absorption carbon dioxide capture and compression treatment system and process Download PDFInfo
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- CN114405237B CN114405237B CN202210204536.XA CN202210204536A CN114405237B CN 114405237 B CN114405237 B CN 114405237B CN 202210204536 A CN202210204536 A CN 202210204536A CN 114405237 B CN114405237 B CN 114405237B
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- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
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- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0438—Cooling or heating systems
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- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
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- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
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- B03C3/14—Plant or installations having external electricity supply dry type characterised by the additional use of mechanical effects, e.g. gravity
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- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D2053/221—Devices
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- B01D2257/00—Components to be removed
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- B01D2257/504—Carbon dioxide
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- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/40096—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating by using electrical resistance heating
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- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
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Abstract
The invention discloses a combined absorption carbon dioxide capturing and compressing treatment system, relating to the technical field of carbon dioxide capturing, and the technical scheme is as follows: the carbon dioxide electrostatic dust collector comprises a filtering component, wherein the right end of the filtering component is fixedly connected with an electrostatic dust collector, the bottom of the electrostatic dust collector is fixedly connected with a carbon dioxide molecular sieve, the right end of the carbon dioxide molecular sieve is fixedly connected with a compressor, the outer wall of the left side of the electrostatic dust collector is provided with air inlets, four groups of air inlets are symmetrically arranged up and down, the inner wall of the electrostatic dust collector is fixedly provided with three groups of supporting frames, the three groups of supporting frames are distributed with the supporting frames at intervals, and the top of the electrostatic dust collector is fixedly provided with a first top cover.
Description
Technical Field
The invention relates to the technical field of carbon dioxide capture, in particular to a combined absorption carbon dioxide capture and compression treatment system and a combined absorption carbon dioxide capture and compression treatment process.
Background
Carbon dioxide is a colorless, odorless, and odorless gas at room temperature. Has a chemical formula of CO 2 44.01, one of the oxycarbides, commonly known as carbonic acid gas, also known as carbonic anhydride or carbonic anhydride, is a colorless and tasteless gas at normal temperature, has slightly higher density than air, is dissolved in water and generates carbonic acid, and solid carbon dioxide, commonly known as dry ice, can absorb a large amount of heat during sublimation, so that the carbon dioxide is used as a refrigerant, such as artificial rainfall, and is also commonly used for manufacturing smoke in the dance beauty, the direct emission of the carbon dioxide into the air can cause greenhouse effect and damage to the environment, the carbon dioxide has wide application in growth and life, and in order to protect the environment and facilitate the utilization of the carbon dioxide, the carbon dioxide in the smoke needs to be oxidizedAnd (5) supplementing carbon.
The prior art has the following defects: in the existing carbon dioxide capturing process, the purity of carbon dioxide is difficult to maintain, only rough collection is generally carried out, and a lot of other gases or dust particles still remain in the carbon dioxide, so that the carbon dioxide capturing process is inconvenient to use.
Therefore, there is a need for a combined absorption carbon dioxide capture and compression treatment system.
Disclosure of Invention
Therefore, the carbon dioxide is absorbed into the molecular sieve by arranging the carbon dioxide molecular sieve, so that the carbon dioxide and other gases are conveniently and thoroughly separated, the other gases are conveniently discharged through the exhaust pipe in the follow-up process, the purity of the carbon dioxide is improved, and the problems in the background art are solved.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a carbon dioxide entrapment and compression processing system that jointly absorbs, includes filtering component, filtering component right-hand member fixed connection electrostatic precipitator, electrostatic precipitator bottom fixed connection carbon dioxide molecular sieve, carbon dioxide molecular sieve right-hand member fixed connection compressor, the air inlet is seted up to electrostatic precipitator left side outer wall, the air inlet longitudinal symmetry is equipped with four groups, electrostatic precipitator inner wall fixed mounting support frame, the support frame is equipped with three groups, the air inlet distributes with the support frame is alternate, electrostatic precipitator top fixed mounting top cap one, equal fixed mounting electrostatic precipitator stick on support frame and the electrostatic precipitator bottom inner wall, electrostatic precipitator stick evenly distributed, electrostatic precipitator stick top fixed mounting carbon dioxide osmotic membrane, carbon dioxide osmotic membrane all around with electrostatic precipitator inner wall fixed connection, electrostatic precipitator bottom fixed mounting solenoid valve one, solenoid valve bilateral symmetry is equipped with two sets ofly, two sets of a solenoid valve bottom equal fixed mounting pipe, two sets of a pipe bottom equal fixed mounting negative pressure fan one, pipe lateral wall fixed connection blast pipe, exhaust pipe outer wall fixed mounting solenoid valve two.
Preferably, the carbon dioxide molecular sieve comprises a molecular sieve shell, a second top cover is fixedly installed at the top of the molecular sieve shell, the molecular sieve is fixedly installed at the center of the inner wall of the molecular sieve shell, and the bottom of the molecular sieve is fixedly connected with an electric heating plate.
Preferably, the output end of the bottom of the molecular sieve shell is fixedly provided with a third electromagnetic valve, the bottom of the third electromagnetic valve is fixedly connected with a second negative pressure fan, and the bottom end of the second negative pressure fan is fixedly connected with a first air washing pipe.
Preferably, a gas washing bin is arranged below the first gas washing pipe, saturated sodium bicarbonate solution is contained in the gas washing bin, the inner wall of the top of the gas washing bin is connected with the outer wall of the first gas washing pipe in a sealing mode, and the first gas washing pipe extends to the bottom of the gas washing bin.
Preferably, the top of the gas washing bin is fixedly connected with a second gas washing pipe, and the bottom end of the second gas washing pipe is positioned above the saturated sodium bicarbonate solution.
Preferably, the right ends of the two air washing pipes are fixedly connected with a compressor, the output end of the compressor is fixedly connected with a high-pressure air pipe, and the right end of the high-pressure air pipe is fixedly connected with a valve.
Preferably, the filtering component comprises an air inlet pipe, an access hole is formed in the bottom of the air inlet pipe, and a sealing cover is fixedly mounted on the inner wall of the access hole.
Preferably, the outer wall of the bottom of the right end of the air inlet pipe is fixedly provided with four groups of exhaust pipes, and the right ends of the four groups of exhaust pipes are fixedly connected with the four groups of air inlets respectively.
Preferably, the inside wall fixed mounting dust-proof window of blast pipe, the dust-proof window includes the mounting bracket, mounting bracket right-hand member outer wall fixed mounting bolt, the bolt is pegged graft with the cooperation of intake pipe inner wall, mounting bracket inner wall fixed mounting dust screen, the dust screen is equipped with four groups, and four groups of dust screens insert four groups respectively inside the blast pipe.
A combined absorption carbon dioxide capturing and compressing treatment process comprises the following specific operation steps:
s1: fixedly connecting the output end of a smoke tube containing carbon dioxide with the left end of an air inlet tube, so that smoke enters the air inlet tube, gas enters the bottom of the air inlet tube, passes through a dust screen and then enters an exhaust tube;
s2: dividing the gas into four parts through four groups of exhaust pipes, respectively entering the upper parts of the four layers of carbon dioxide permeable membranes, downwards exhausting air by starting a negative pressure fan to form negative pressure, so that the air pressure below the carbon dioxide permeable membranes is lower than the upper air pressure, simultaneously starting an electrostatic dust collector to work, and remaining dust particles in the gas are left on the surfaces of the electrostatic dust removal rod and the carbon dioxide permeable membranes;
s3: stopping introducing gas, allowing carbon dioxide passing through the carbon dioxide permeable membrane and other impurities mixed in the carbon dioxide to enter the molecular sieve shell through the guide pipe, wherein the carbon dioxide is absorbed by the molecular sieve, and then closing the first electromagnetic valve and the third electromagnetic valve;
s4: opening a second electromagnetic valve, and discharging non-carbon dioxide gas in the guide pipe and the molecular sieve shell through an exhaust pipe;
s5: then, closing the second electromagnetic valve, opening the electric heating plate to work, heating the electric heating plate to the temperature to release carbon dioxide in the molecular sieve, and then opening the third electromagnetic valve and the second negative pressure fan to enable the carbon dioxide to enter the first air washing pipe under the action of negative pressure;
s6: introducing carbon dioxide into the scrubbing bin through the first scrubbing pipe, introducing the carbon dioxide into the saturated sodium bicarbonate solution, and intercepting dust remaining in the carbon dioxide in the saturated sodium bicarbonate solution;
s7: and then the carbon dioxide gas escapes, the saturated sodium bicarbonate solution is separated from the saturated sodium bicarbonate solution, the saturated sodium bicarbonate solution enters a compressor through a second gas washing pipe, and after the saturated sodium bicarbonate solution is compressed by the compressor, the high-pressure carbon dioxide is canned through a high-pressure gas pipe.
The invention has the beneficial effects that:
1. through the arrangement of the filtering component, impurities in the flue gas are primarily filtered through the dustproof window before the flue gas is introduced into the electrostatic dust collector, so that the content of dust particles in other parts is reduced, the purity of the gas is conveniently improved, and meanwhile, through the arrangement of the access hole, the dustproof window is conveniently taken out and cleaned, so that the dustproof window is conveniently reused, and the service life of equipment is prolonged;
2. the electrostatic dust collector is arranged, the electrostatic dust removal rod emits the electron beam with positive and negative electrons, so that dust in gas is conveniently separated from the gas, the purity of carbon dioxide is improved, and meanwhile, the top of the electrostatic dust removal rod is covered with the carbon dioxide permeable membrane to screen the carbon dioxide, so that the purity of the carbon dioxide in the gas is improved, and the carbon dioxide is conveniently collected;
3. by arranging the carbon dioxide molecular sieve, carbon dioxide is adsorbed into the molecular sieve, so that the carbon dioxide and other gases are conveniently and thoroughly separated, other gases are conveniently discharged through the exhaust pipe in the subsequent process, and the purity of the carbon dioxide is improved;
4. the electric heating plate is arranged at the bottom of the molecular sieve, and the molecular sieve releases absorbed carbon dioxide by heating the electric heating plate, so that the molecular sieve is convenient to reuse, and the service life and the stability of equipment are improved;
5. through setting up the gas washing storehouse, let in carbon dioxide gas to saturated sodium bicarbonate solution in, wash through the dust that remains in the saturated sodium bicarbonate solution in to carbon dioxide, saturated sodium bicarbonate solution does not take place physics and chemical reaction with carbon dioxide simultaneously, has improved carbon dioxide's purity.
Drawings
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a schematic view of a filter assembly according to the present invention;
FIG. 3 is a schematic view of a dust window structure according to the present invention;
FIG. 4 is a cross-sectional view of an electrostatic precipitator in accordance with the present invention;
FIG. 5 is a bottom view of an electrostatic precipitator in accordance with the present invention;
FIG. 6 is a schematic diagram of a carbon dioxide molecular sieve provided by the present invention;
FIG. 7 is a bottom view of a carbon dioxide molecular sieve provided by the present invention;
fig. 8 is a schematic view of a compressor structure according to the present invention.
In the figure: the air cleaner comprises a filter assembly 100, an air inlet pipe 110, an access opening 120, a sealing cover 130, an exhaust pipe 140, a dustproof window 150, a mounting frame 151, a bolt 152, a dustproof net 153, an electrostatic precipitator 200, an air inlet 210, a first top cover 220, a supporting frame 230, an electrostatic precipitation rod 240, a carbon dioxide permeable membrane 241, a first electromagnetic valve 250, a guide pipe 260, a first negative pressure fan 270, an exhaust pipe 280, a second electromagnetic valve 290, a carbon dioxide molecular sieve 300, a molecular sieve shell 310, a second top cover 320, a molecular sieve 330, an electric heating plate 340, a third electromagnetic valve 350, a second negative pressure fan 360, a first gas washing pipe 370, a gas washing bin 380, a second gas washing pipe 390, a compressor 400, a high pressure gas pipe 410 and a valve 420.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to the attached fig. 1-8, the present invention provides a combined absorption carbon dioxide capture and compression treatment system, in order to achieve the above purpose, the present invention provides the following technical solutions: a carbon dioxide capturing and compressing treatment system with combined absorption comprises a filtering component 100, wherein the right end of the filtering component 100 is fixedly connected with an electrostatic dust collector 200, the bottom of the electrostatic dust collector 200 is fixedly connected with a carbon dioxide molecular sieve 300, the right end of the carbon dioxide molecular sieve 300 is fixedly connected with a compressor 400, the outer wall of the left side of the electrostatic dust collector 200 is provided with an air inlet 210, four groups of the air inlet 210 are symmetrically arranged up and down, the inner wall of the electrostatic dust collector 200 is fixedly provided with a supporting frame 230, the supporting frame 230 is provided with three groups, the air inlet 210 and the supporting frame 230 are distributed alternately, the top of the electrostatic dust collector 200 is fixedly provided with a top cover 220, the supporting frame 230 and the inner wall of the bottom of the electrostatic dust collector 200 are both fixedly provided with electrostatic dust removing rods 240, the electrostatic dust removing rods 240 are uniformly distributed, the top of the electrostatic dust removing rods 240 is fixedly provided with a carbon dioxide permeable membrane 241, the periphery of the carbon dioxide permeable membrane 241 is fixedly connected with the inner wall of the electrostatic dust collector 200, the first electromagnetic valve 250 is fixedly installed at the bottom of the electrostatic dust collector 200, two groups of electromagnetic valves 250 are arranged in bilateral symmetry, the guide pipes 260 are fixedly installed at the bottoms of the two groups of first electromagnetic valves 250, the negative pressure fans 270 are fixedly installed at the bottoms of the two groups of guide pipes 260, the exhaust pipe 280 is fixedly connected with the side wall of the guide pipe 260, and the second electromagnetic valve 290 is fixedly installed on the outer wall of the exhaust pipe 280. Concretely, the filter assembly 100 has the function of conveniently and primarily filtering dust particles in flue gas, the electrostatic dust collector 200 has the function of selectively passing carbon dioxide and filtering dust particles, the carbon dioxide molecular sieve 300 has the function of supplementing carbon dioxide, the compressor 400 has the function of conveniently compressing carbon dioxide gas, the gas inlet 210 has the function of conveniently guiding gas in the gas inlet pipe 110 into the electrostatic dust collector 200, the support frame 230 has the function of conveniently installing the electrostatic dust collection rod 240, the electrostatic dust collection rod 240 can generate a large amount of gas clusters with positive and negative charges, the negative pressure fan I270 has the function of conveniently forming negative pressure so as to promote the carbon dioxide gas to penetrate through the carbon dioxide permeable membrane 241, the electromagnetic valve II 290 has the function of conveniently controlling the on-off of the top of the guide pipe 260, the guide pipe 260 has the function of conveniently guiding the carbon dioxide in the electrostatic dust collector 200 into the molecular sieve shell 310, and the exhaust pipe 280 has the function of conveniently exhausting non-carbon dioxide gas in the guide pipe 260.
Further, the carbon dioxide molecular sieve 300 comprises a molecular sieve housing 310, a second top cover 320 is fixedly installed on the top of the molecular sieve housing 310, the molecular sieve 330 is fixedly installed at the central position of the inner wall of the molecular sieve housing 310, the bottom of the molecular sieve 330 is fixedly connected with an electric heating plate 340, a third electromagnetic valve 350 is fixedly installed at the output end of the bottom of the molecular sieve housing 310, a second negative pressure fan 360 is fixedly connected with the bottom of the third electromagnetic valve 350, the bottom end of the second negative pressure fan 360 is fixedly connected with a first gas washing pipe 370, a gas washing bin 380 is arranged below the first gas washing pipe 370, saturated sodium bicarbonate solution is contained in the gas washing bin 380, the inner wall of the top of the gas washing bin 380 is hermetically connected with the outer wall of the first gas washing pipe 370, the first gas washing pipe 370 extends to the bottom of the gas washing bin 380, a second gas washing pipe 390 is fixedly connected with the top of the gas washing bin 380, the bottom end of the second gas washing pipe 390 is positioned above the saturated sodium bicarbonate solution, and the right end of the gas washing pipe 390 is fixedly connected with a compressor 400, the output end of the compressor 400 is fixedly connected with a high-pressure air pipe 410, the right end of the high-pressure air pipe 410 is fixedly connected with a valve 420, specifically, the molecular sieve shell 310 has the function of conveniently installing the molecular sieve 330, the molecular sieve 330 has the function of conveniently absorbing carbon dioxide so as to separate the carbon dioxide from other gases, the electric heating plate 340 has the function of conveniently heating the molecular sieve 330 so as to enable the molecular sieve 330 to release the absorbed carbon dioxide, and the molecular sieve 330 is conveniently reused, the molecular sieve 330 is a crystalline aluminosilicate, the crystal structure of which has regular and uniform pore canals, the pore diameter is the order of magnitude of the molecular size, which only allows molecules with the diameter smaller than the pore diameter to enter, so that the molecules in the mixture can be sieved according to the size, the electromagnetic valve III 350 has the function of controlling the bottom of the molecular sieve shell 310, and the negative pressure fan II 360 has the function of conveniently forming negative pressure, promote the effect that carbon dioxide flows to the effect in the convenient leading-in trachea scrubber 370 with carbon dioxide, trachea scrubber 370 has the effect of conveniently leading-in trachea scrubber 380 with carbon dioxide, the trachea scrubber 380 has the effect of conveniently holding saturated sodium bicarbonate solution, saturated sodium bicarbonate solution has the effect of filtering remaining dust or foreign particles in the carbon dioxide, trachea scrubber 390 has the effect that conveniently leads-in the carbon dioxide gas that will overflow saturated sodium bicarbonate solution to compressor 400, compressor 400 has the effect of conveniently compressing gaseous carbon dioxide and forming liquid carbon dioxide, then through passing through high-pressurepipe 410, fill liquid carbon dioxide in the holding vessel.
Further, the filter assembly 100 includes an air inlet pipe 110, an access opening 120 is formed in the bottom of the air inlet pipe 110, a sealing cover 130 is fixedly installed on the inner wall of the access opening 120, exhaust pipes 140 are fixedly installed on the outer wall of the bottom of the right end of the air inlet pipe 110, four sets of exhaust pipes 140 are symmetrically arranged in the vertical direction, the right ends of the four sets of exhaust pipes 140 are fixedly connected with four sets of air inlets 210 respectively, dust-proof windows 150 are fixedly installed on the inner wall of the exhaust pipes 140 and comprise mounting frames 151, bolts 152 are fixedly installed on the outer wall of the right end of the mounting frames 151 and are in matched and inserted connection with the inner wall of the air inlet pipe 110, dust-proof nets 153 are fixedly installed on the inner wall of the mounting frames 151 and are inserted into the four sets of exhaust pipes 140 respectively, specifically, the air inlet pipe 110 has the function of conveniently guiding gas containing carbon dioxide into the electrostatic dust collector 200, the access opening 120 has the function of conveniently overhauling, the dust-proof windows 150 and the inner walls of the air inlet pipe 110 are conveniently cleaned after the access opening 120, the sealing cover 130 has the function of conveniently closing the access opening, the dust-proof nets 153 has the function of filtering dust-proof particles, and the dust-proof nets 151 have the function of conveniently dividing the dust-proof dust-filtering function of filtering particles.
A combined absorption carbon dioxide capturing and compressing treatment process is characterized by comprising the following specific operation steps:
s1: the output end of the smoke tube containing carbon dioxide is fixedly connected with the left end of the air inlet pipe 110, so that smoke enters the air inlet pipe 110, gas enters the bottom of the air inlet pipe 110, and then enters the exhaust pipe 140 through the dust screen 153;
s2: the gas is divided into four parts through four groups of exhaust pipes 140, the four parts enter the upper parts of the four layers of carbon dioxide permeable membranes 241 respectively, negative pressure is formed by starting a negative pressure fan I270 to draw air downwards, the air pressure below the carbon dioxide permeable membranes 241 is lower than the air pressure above the carbon dioxide permeable membranes, meanwhile, the electrostatic dust collector 200 is started to work, and residual dust particles in the gas are left on the surfaces of the electrostatic dust collection rod 240 and the carbon dioxide permeable membranes 241;
s3: stopping the gas introduction, the carbon dioxide passing through the carbon dioxide permeable membrane 241 and other impurities mixed therein enter the inside of the molecular sieve housing 310 through the conduit 260, wherein the carbon dioxide gas is absorbed by the molecular sieve 330, and then the first solenoid valve 250 and the third solenoid valve 350 are closed;
s4: opening the second solenoid valve 290 to exhaust the non-carbon dioxide gas in the conduit 260 and the molecular sieve casing 310 through the exhaust pipe 280;
s5: then, the second electromagnetic valve 290 is closed, the electric heating plate 340 is opened to work, the temperature of the electric heating plate 340 is raised to 200 ℃, so that carbon dioxide in the molecular sieve 330 is released, and then the third electromagnetic valve 350 and the second negative pressure fan 360 are opened, so that the carbon dioxide enters the first air washing pipe 370 under the action of negative pressure;
s6: introducing carbon dioxide into the scrubbing bin 380 through the first scrubbing pipe 370, wherein the carbon dioxide enters the saturated sodium bicarbonate solution, and dust remaining in the carbon dioxide is intercepted in the saturated sodium bicarbonate solution;
s7: the carbon dioxide gas then escapes, leaves the saturated sodium bicarbonate solution, enters the compressor 400 through the second flush tube 390, is compressed by the compressor 400, and then the high pressure carbon dioxide is canned through the high pressure gas tube 410.
The above is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (2)
1. The utility model provides a carbon dioxide capture and compression processing system of combined absorption, includes filtering component (100), filtering component (100) right-hand member fixed connection electrostatic precipitator (200), electrostatic precipitator (200) bottom fixed connection carbon dioxide molecular sieve (300), carbon dioxide molecular sieve (300) right-hand member fixed connection compressor (400), its characterized in that: the air inlet (210) is formed in the outer wall of the left side of the electrostatic dust collector (200), four sets of air inlets (210) are symmetrically arranged up and down, the support frame (230) is fixedly installed on the inner wall of the electrostatic dust collector (200), the support frame (230) is provided with three sets of air inlets (210) and the support frame (230) are distributed in a phase-to-phase mode, the top cover (220) is fixedly installed at the top of the electrostatic dust collector (200), the electrostatic dust collection rods (240) are fixedly installed on the inner wall of the bottom of the support frame (230) and the electrostatic dust collector (200), the electrostatic dust collection rods (240) are uniformly distributed, the carbon dioxide permeable membrane (241) is fixedly installed at the top of the electrostatic dust collection rods (240), the carbon dioxide permeable membrane (241) is fixedly connected with the inner wall of the electrostatic dust collector (200), the electromagnetic valve I (250) is fixedly installed at the bottom of the electrostatic dust collector (200), the electromagnetic valve I (250) is arranged in a left-to-right symmetry mode, the electromagnetic valve I (250) is fixedly installed at the bottom of the electromagnetic valve I (250), the carbon dioxide permeable membrane (270) is fixedly installed at the bottom, the bottom of the conduit (260), the conduit (260) is installed at the bottom of the conduit (260), the side wall of the conduit (280) is fixedly connected with the exhaust pipe (310), and the molecular sieve (310) and the molecular sieve shell (310), the molecular sieve comprises a molecular sieve shell (310), a molecular sieve (330) fixedly mounted at the central position of the inner wall of the molecular sieve shell (310), an electric heating plate (340) fixedly connected at the bottom of the molecular sieve (330), a three electromagnetic valve (350) fixedly mounted at the bottom of the molecular sieve shell (310), a two negative pressure fan (360) fixedly connected at the bottom of the three electromagnetic valve (350), a first washing pipe (370) fixedly connected at the bottom of the two negative pressure fan (360), a washing bin (380) arranged below the washing pipe (370), a saturated sodium bicarbonate solution contained inside the washing bin (380), a top inner wall of the washing bin (380) in sealed connection with a first washing pipe (370) outer wall, the first washing pipe (370) extending to the bottom of the washing bin (380), a filtering assembly (100) comprising an air inlet pipe (110), an access hole (120) arranged at the bottom of the air inlet pipe (110), a sealing cover (130) fixedly mounted at the inner wall of the access hole (120), four exhaust pipes (140) fixedly mounted at the bottom at the right end of the air inlet pipe (110), four exhaust pipes (140) symmetrically arranged at the upper and lower ends of the four exhaust pipes (140) respectively connected with the exhaust pipe (210), a dustproof window (150), and a dustproof window (151) comprising a dustproof mounting frame (151), bolt (152) are pegged graft with intake pipe (110) inner wall cooperation, mounting bracket (151) inner wall fixed mounting dust screen (153), dust screen (153) are equipped with four groups, and four groups dust screen (153) insert four groups respectively inside blast pipe (140), wash gas storehouse (380) top fixed connection wash gas pipe two (390), wash gas pipe two (390) bottom is located saturated sodium bicarbonate solution top, wash gas pipe two (390) right-hand member fixed connection compressor (400), compressor (400) output fixed connection high-pressurepipe (410), high-pressurepipe (410) right-hand member fixed connection valve (420).
2. A combined absorption carbon dioxide capturing and compressing treatment process is characterized by comprising the following specific operation steps:
s1: the output end of a smoke pipe containing carbon dioxide is fixedly connected with the left end of an air inlet pipe (110), so that smoke enters the air inlet pipe (110), gas enters the bottom of the air inlet pipe (110), passes through a dust screen (153) and then enters an exhaust pipe (140);
s2: the gas is divided into four parts through four groups of exhaust pipes (140), the four parts enter the upper parts of four layers of carbon dioxide permeable membranes (241), negative pressure is formed by starting a negative pressure fan I (270) to draw air downwards, so that the air pressure below the carbon dioxide permeable membranes (241) is lower than the air pressure above the carbon dioxide permeable membranes, meanwhile, an electrostatic dust collector (200) is started to work, and dust particles remained in the gas are remained on the surfaces of the electrostatic dust collection rod (240) and the carbon dioxide permeable membranes (241);
s3: stopping gas introduction, allowing carbon dioxide passing through the carbon dioxide permeable membrane (241) and other impurities mixed therein to enter the interior of the molecular sieve housing (310) through the conduit (260), wherein the carbon dioxide gas is absorbed by the molecular sieve (330), and then closing the first solenoid valve (250) and the third solenoid valve (350);
s4: opening the second electromagnetic valve (290) to discharge the non-carbon dioxide gas in the conduit (260) and the molecular sieve shell (310) through the exhaust pipe (280);
s5: then, closing the second electromagnetic valve (290), opening the electric heating plate (340) to work, heating the electric heating plate (340) to 200 ℃ to release carbon dioxide in the molecular sieve (330), and then opening the third electromagnetic valve (350) and the second negative pressure fan (360) to enable the carbon dioxide to enter the first air washing pipe (370) under the action of negative pressure;
s6: introducing carbon dioxide into a scrubbing bin (380) through a first scrubbing pipe (370), introducing the carbon dioxide gas into a saturated sodium bicarbonate solution, and intercepting dust remaining in the carbon dioxide into the saturated sodium bicarbonate solution;
s7: then the carbon dioxide gas escapes, leaves the saturated sodium bicarbonate solution, enters the compressor (400) through the second scrubber pipe (390), is compressed by the compressor (400), and then the high-pressure carbon dioxide is canned through the high-pressure gas pipe (410).
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Effective date of registration: 20230524 Address after: Building 101, Building 1, Guangrong Machinery Factory, No. 103 Meihua Road, Meifeng Community, Meilin Street, Futian District, Shenzhen City, Guangdong Province, 518000 Patentee after: Bainian Holdings (Shenzhen) Co.,Ltd. Address before: 518000 Room 101, building 3, fujijie Industrial Park, No. 530, Huarong Road, Langkou community, Dalang street, Longhua District, Shenzhen, Guangdong Patentee before: Shenzhen Anchi Environmental Protection Technology Co.,Ltd. |
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