CN114405237A - 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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- CN114405237A CN114405237A CN202210204536.XA CN202210204536A CN114405237A CN 114405237 A CN114405237 A CN 114405237A CN 202210204536 A CN202210204536 A CN 202210204536A CN 114405237 A CN114405237 A CN 114405237A
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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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- B01D53/02—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
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
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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
- B01D53/225—Multiple stage 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
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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
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/14—Plant or installations having external electricity supply dry type characterised by the additional use of mechanical effects, e.g. gravity
- B03C3/155—Filtration
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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
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
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- 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 filter comprises a filter assembly, wherein the right end of the filter assembly 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 the 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 CO244.01, 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 art of dance, and the carbon dioxide is directly discharged into the air to cause greenhouse effect and damage to the environment.
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: a carbon dioxide capture and compression treatment system with combined absorption 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 an air inlet, the air inlet is provided with four groups in up-and-down symmetry, the inner wall of the electrostatic dust collector is fixedly provided with a supporting frame, the supporting frame is provided with three groups, the air inlet and the supporting frame are distributed in an alternate mode, the top of the electrostatic dust collector is fixedly provided with a first top cover, the supporting frame and the inner wall of the bottom of the electrostatic dust collector are fixedly provided with electrostatic dust removal rods, the electrostatic dust removal rods are uniformly distributed, the top of the electrostatic dust removal rods is fixedly provided with a carbon dioxide permeable membrane, and the periphery of the carbon dioxide permeable membrane is fixedly connected with the inner wall of the electrostatic dust collector, the device comprises an electrostatic dust collector, and is characterized in that a first electromagnetic valve is fixedly installed at the bottom of the electrostatic dust collector, two sets of electromagnetic valves are symmetrically arranged on the left and right of the first electromagnetic valve, a guide pipe is fixedly installed at the bottom of the first electromagnetic valve, a first negative pressure fan is fixedly installed at the bottom end of the guide pipe, an exhaust pipe is fixedly connected with the side wall of the guide pipe, and a second electromagnetic valve is fixedly installed on the outer wall of the exhaust pipe.
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 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 gas washing pipe in a sealing mode, and the 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 end of the second air washing pipe is 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 the second electromagnetic valve, and discharging non-carbon dioxide gas in the guide pipe and the molecular sieve shell through the exhaust pipe;
s5: then closing the second electromagnetic valve, opening the electric heating plate to work, heating the electric heating plate to the temperature, releasing 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, before the flue gas is introduced into the electrostatic dust collector, impurities in the flue gas are primarily filtered through the dustproof window, so that the content of dust particles in other components 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 convenient to reuse 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 device can neutralize the charges on an object passing through an ion radiation area of the device, when the surface of the object is negatively charged, the device can attract the positive charges in the radiation area, when the surface of the object is positively charged, the device can attract the negative charges in the radiation area, so that the static on the surface of the object is neutralized, and the purpose of eliminating the static is achieved, the carbon dioxide permeable membrane 241 has the function of selectively passing through the carbon dioxide, so that the carbon dioxide is conveniently separated from the gas, the carbon dioxide permeable membrane 241 is made of acetate fibers, the first electromagnetic valve 250 has the function of conveniently controlling the on-off of the top of the conduit 260, the conduit 260 has the function of conveniently guiding the carbon dioxide in the electrostatic dust collector 200 into the molecular sieve shell 310, the first negative pressure fan 270 has the function of conveniently forming negative pressure, so that the carbon dioxide is promoted to pass through the carbon dioxide permeable membrane 241, and the second electromagnetic valve 290 has the function of conveniently controlling the on-off of the exhaust pipe 280, the exhaust tube 280 serves to facilitate the removal of non-carbon dioxide gas from the conduit 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, a molecular sieve 330 is fixedly installed at the central position of the inner wall of the molecular sieve housing 310, an electric heating plate 340 is fixedly connected to the bottom of the molecular sieve 330, 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 to the bottom of the third electromagnetic valve 350, a first washing air pipe 370 is fixedly connected to the bottom end of the second negative pressure fan 360, a washing air bin 380 is arranged below the first washing air pipe 370, saturated sodium bicarbonate solution is contained in the washing air bin 380, the inner wall of the top of the washing air bin 380 is hermetically connected with the outer wall of the first washing air pipe 370, the first washing air pipe 370 extends to the bottom of the washing air bin 380, a second washing air pipe 390 is fixedly connected to the top of the washing air bin 380, the bottom end of the second washing air pipe 390 is positioned above the saturated sodium bicarbonate solution, a compressor 400 is fixedly connected to the right end of the washing air pipe 390, and 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 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 conveniently enable the molecular sieve 330 to be reused, the molecular sieve 330 is a crystalline aluminosilicate, the crystal structure of the molecular sieve 330 is provided with regular and uniform pore passages, the pore diameter is the molecular order of magnitude, only molecules with the diameter smaller than the pore diameter are allowed to enter, so that molecules in a mixture can be sieved according to the size, the electromagnetic valve III 350 has the function of controlling the on-off of the bottom of the molecular sieve shell 310, and the negative pressure fan II 360 has the function of conveniently forming negative pressure and promoting the flow of carbon dioxide, thereby conveniently leading-in effect in the trachea scrubber 370 with carbon dioxide, trachea scrubber 370 has the effect of conveniently leading-in the storehouse 380 with carbon dioxide, the storehouse 380 that washes 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 two 390 has the effect that conveniently leads-in the compressor 400 with the carbon dioxide gas that overflows the saturated sodium bicarbonate solution, compressor 400 has the convenience and compresses gaseous carbon dioxide and form liquid carbon dioxide, then through passing through high-pressurepipe 410, fill liquid carbon dioxide in the holding vessel.
Further, the filter assembly 100 comprises an air inlet pipe 110, the bottom of the air inlet pipe 110 is provided with an access opening 120, the inner wall of the access opening 120 is fixedly provided with a sealing cover 130, the outer wall of the bottom of the right end of the air inlet pipe 110 is fixedly provided with an exhaust pipe 140, four groups of exhaust pipes 140 are vertically and symmetrically provided, the right ends of the four groups of exhaust pipes 140 are fixedly connected with four groups of air inlets 210 respectively, the inner wall of the exhaust pipe 140 is fixedly provided with a dustproof window 150, the dustproof window 150 comprises a mounting frame 151, the outer wall of the right end of the mounting frame 151 is fixedly provided with a bolt 152, the bolt 152 is in matched insertion connection with the inner wall of the air inlet pipe 110, the inner wall of the mounting frame 151 is fixedly provided with a dustproof net 153, the four groups of dustproof nets 153 are respectively inserted into the four groups of exhaust pipes 140, specifically, the air inlet pipe 110 has the function of conveniently guiding the gas containing carbon dioxide into the electrostatic dust collector 200, the access opening 120 has the function of conveniently overhauling, the function of conveniently cleaning the dustproof window 150 and the inner wall of the air inlet pipe 110 after the access opening 120, the sealing cover 130 has the function of conveniently sealing the access hole 120, the exhaust pipe 140 has the function of conveniently dividing the gas in the gas inlet pipe 110 into four parts, the four parts are respectively led into the upper part of the four layers of carbon dioxide permeable membranes 241, the separation function is carried out, the permeation efficiency of the carbon dioxide is improved, the dustproof window 150 has the function of filtering large-particle dust contained in the gas, the mounting frame 151 has the function of mounting the dustproof net 153, and the dustproof net 153 has the function of filtering dust 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, passes through the dust screen 153 and then enters the 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 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 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 the 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: carbon dioxide is introduced into the scrubbing bin 380 through the first scrubbing pipe 370, 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 (10)
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 opened to electrostatic precipitator (200) left side outer wall, air inlet (210) longitudinal symmetry is equipped with four groups, electrostatic precipitator (200) inner wall fixed mounting support frame (230), support frame (230) are equipped with three groups, air inlet (210) and support frame (230) alternate distribution, electrostatic precipitator (200) top fixed mounting top cap (220), equal fixed mounting electrostatic precipitator stick (240) on support frame (230) and electrostatic precipitator (200) bottom inner wall, electrostatic precipitator stick (240) evenly distributed, electrostatic precipitator stick (240) top fixed mounting carbon dioxide osmotic membrane (241), carbon dioxide osmotic membrane (241) all around with electrostatic precipitator (200) inner wall fixed connection, electrostatic precipitator (200) bottom fixed mounting solenoid valve (250), one (250) bilateral symmetry is equipped with two sets ofly, the bottom of the first electromagnetic valve (250) is fixedly provided with a first guide pipe (260), the bottom end of the first guide pipe (260) is fixedly provided with a first negative pressure fan (270), the side wall of the first guide pipe (260) is fixedly connected with an exhaust pipe (280), and the outer wall of the exhaust pipe (280) is fixedly provided with a second electromagnetic valve (290).
2. The combined absorption carbon dioxide capture and compression treatment system according to claim 1, wherein 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), a molecular sieve (330) is fixedly installed in the center of the inner wall of the molecular sieve housing (310), and an electric heating plate (340) is fixedly connected to the bottom of the molecular sieve (330).
3. The combined absorption carbon dioxide capture and compression treatment system according to claim 2, wherein a third electromagnetic valve (350) is fixedly installed at the bottom output end of the molecular sieve housing (310), a second negative pressure fan (360) is fixedly connected to the bottom of the third electromagnetic valve (350), and a first washing pipe (370) is fixedly connected to the bottom end of the second negative pressure fan (360).
4. The combined absorption carbon dioxide capturing and compressing treatment system according to claim 3, wherein a gas washing bin (380) is arranged below the first gas washing pipe (370), a 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), and the first gas washing pipe (370) extends to the bottom of the gas washing bin (380).
5. The combined absorption carbon dioxide capture and compression treatment system according to claim 4, wherein the top of the gas scrubbing bin (380) is fixedly connected with a second gas scrubbing pipe (390), and the bottom end of the second gas scrubbing pipe (390) is located above the saturated sodium bicarbonate solution.
6. The combined absorption carbon dioxide capture and compression treatment system according to claim 5, wherein the right end of the second scrubber pipe (390) is fixedly connected with a compressor (400), the output end of the compressor (400) is fixedly connected with a high-pressure gas pipe (410), and the right end of the high-pressure gas pipe (410) is fixedly connected with a valve (420).
7. The combined absorption carbon dioxide capture and compression treatment system according to claim 1, wherein the filter assembly (100) comprises an air inlet pipe (110), a service opening (120) is formed in the bottom of the air inlet pipe (110), and a sealing cover (130) is fixedly mounted on the inner wall of the service opening (120).
8. The combined absorption carbon dioxide capturing and compressing treatment system as claimed in claim 7, wherein the air outlet 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 air outlet pipes (140) are symmetrically arranged up and down, and the right ends of the four sets of air outlet pipes (140) are fixedly connected with the four sets of air inlet ports (210).
9. The combined absorption carbon dioxide capturing and compressing treatment system according to claim 8, wherein a dust-proof window (150) is fixedly installed on the inner wall of the exhaust pipe (140), the dust-proof window (150) comprises a mounting frame (151), a bolt (152) is fixedly installed on the outer wall of the right end of the mounting frame (151), the bolt (152) is in fit insertion connection with the inner wall of the air inlet pipe (110), a dust-proof net (153) is fixedly installed on the inner wall of the mounting frame (151), four sets of dust-proof nets (153) are arranged, and the four sets of dust-proof nets (153) are respectively inserted into the four sets of exhaust pipes (140).
10. 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 allow the carbon dioxide to enter the first air washing pipe (370) under the action of negative pressure;
s6: introducing carbon dioxide into a gas washing bin (380) through a first gas washing pipe (370), introducing the carbon dioxide gas into a saturated sodium bicarbonate solution, and intercepting dust remaining in the carbon dioxide in 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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