CN113413754B - Carbon-fixing alkali-reducing reaction device and control method thereof - Google Patents
Carbon-fixing alkali-reducing reaction device and control method thereof Download PDFInfo
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- CN113413754B CN113413754B CN202110870266.1A CN202110870266A CN113413754B CN 113413754 B CN113413754 B CN 113413754B CN 202110870266 A CN202110870266 A CN 202110870266A CN 113413754 B CN113413754 B CN 113413754B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
Abstract
The invention relates to a carbon-fixing alkali-reducing reaction device and a control method thereof, belonging to the technical field of carbon-fixing alkali-reducing equipment. The device has the characteristics of simple structure, convenient operation, energy conservation, environmental protection and short period. The problem of coal fired power plant gas cleaning emission is solved. The functions of resource recycling and environmental protection are realized through the alkali reduction and carbon fixation of the fly ash.
Description
Technical Field
The invention relates to the technical field of carbon-fixing alkali-reducing equipment, in particular to a carbon-fixing alkali-reducing reaction device and a control method thereof.
Background
Most organisms inhale oxygen and exhale carbon dioxide; most plants inhale carbon dioxide and release oxygen. When breathing one breath, the dynamic balance of oxygen and carbon dioxide in the atmosphere is maintained, and the life can be developed for a long time. It is the objective law of nature to eliminate the complementary sky track. If the amount of carbon dioxide in the atmosphere increases more than it is consumed, the "breathing" of the atmosphere becomes unbalanced, with the consequence of global warming.
Before the industrial revolution, the carbon content in the atmosphere was kept in a dynamic equilibrium of "growth while consumption". Most of the carbon dioxide released by the biological activity is absorbed by the sea and lake and dissolved in water, a small part of the carbon dioxide is consumed as nutrients for plant photosynthesis, and the carbon dioxide contained in the atmosphere is stably maintained at a trace level of 0.03%.
However, since the industrial revolution, the population has increased rapidly and the industry has rapidly developed, and at the same time, green vegetation such as forests and the like has been seriously damaged. Under the action of various factors, the carbon balance is broken, the content of carbon dioxide in the atmosphere is increased continuously, the greenhouse effect is enhanced, and the global temperature is increased gradually.
Except for reducing the utilization of fossil energy and accelerating the development of new energy, there is no method for treating carbon dioxide? To re-achieve "carbon balance," the "inventory" of carbon in the atmosphere is first stabilized to reduce the emission of carbon dioxide into the atmosphere. The fly ash is used as a raw material, the carbon dioxide in the flue gas of the coal-fired power plant is mineralized and sealed by adopting a direct liquid phase method, and meanwhile, the carbon dioxide can reduce the alkalinity of the fly ash and play a role in protecting the environment.
Disclosure of Invention
The invention mainly solves the defects of low utilization rate, serious environmental pollution and long period in the prior art, and provides a carbon-fixing alkali-reducing reaction device and a control method thereof, which have the characteristics of simple structure, convenient operation, energy conservation, environmental protection and short period. The problem of coal fired power plant gas cleaning emission is solved. The functions of resource recycling and environmental protection are realized through the alkali reduction and carbon fixation of the fly ash.
The technical problem of the invention is mainly solved by the following technical scheme:
the utility model provides a solid carbon alkali reaction unit that falls, includes the frame, the frame in be equipped with the retort body, retort body upper end be equipped with fly ash and add the mouth, fly ash add a mouthful side be equipped with the gas vent that is linked together with the retort body, retort body upper end side be equipped with and frame hoop formula is connected fixed water injection pipe mutually, retort body lower extreme be equipped with the mixed flow pipe, mixed flow pipe and retort body between be equipped with the high-speed system stuff pump, retort body lower part be equipped with a plurality of flue gas reposition of redundant personnel installing ports that are the heliciform and distribute, flue gas reposition of redundant personnel installing port on all be equipped with flue gas reposition of redundant personnel subassembly, retort body side be equipped with the flue gas inlet valve that is linked together with flue gas reposition of redundant personnel subassembly.
Preferably, the middle part of the reaction tank body is provided with a vortex flange pipe communicated with the reaction tank body in a tangent mode, a plurality of reversing pumps are arranged between the vortex flange pipe and the mixed flow pipe, a slurry discharge joint communicated with a pipeline of a reversing pump phase is arranged between the mixed flow pipe and the reaction tank body, and the upper part of the reaction tank body is provided with a reversing control assembly communicated with a circuit of the reversing pump phase.
Preferably, the reversing control assembly comprises a reversing control mounting plate, a reversing electromagnetic valve communicated with the reversing pump phase circuit is arranged on the reversing control mounting plate, an oil mist analyzer is arranged at the front end of the reversing electromagnetic valve, and a purified gas source is arranged between the oil mist analyzer and the reversing electromagnetic valve.
Preferably, a flue gas control valve is arranged between the flue gas distribution assembly and the flue gas inlet valve, and a flue gas pipeline sleeved with the high-speed pulping pump is arranged between the flue gas control valve and the flue gas inlet valve. The flue gas pipeline comprises a C-shaped flue gas pipe body, flue gas outlet connectors which are integrally communicated and welded with the flue gas pipe body are arranged between the flue gas pipe body and the flue gas control valve, and a flue gas inlet flange bent pipe is arranged between the flue gas pipe body and the flue gas inlet valve.
Preferably, the flue gas diversion assembly comprises a flue gas diversion groove seat, a flue gas diversion seat is arranged in the flue gas diversion groove seat, a plurality of flue gas nozzles in threaded sleeve communication with the flue gas diversion seat are arranged at the front end of the flue gas diversion seat, and a flue gas metal hose communicated with the flue gas control valve is arranged at the rear end of the flue gas diversion seat.
Preferably, the upper part of the frame is provided with a hoisting frame connected with the frame through a bolt, the hoisting frame comprises a hoisting support frame, a hoisting connection seat is arranged between the hoisting support frame and the frame, and the lower end of the hoisting support frame is provided with a hoisting steel wire fixing lug plate fixedly connected with the hoisting support frame through a pin shaft.
Preferably, a plurality of weighing sensors are arranged between the lower end of the reaction tank body and the rack; the upper end of the frame is provided with a guardrail; the lower part of the frame is provided with a motor which is fixedly connected with the frame through bolts, and a belt pulley is arranged between the upper end of the motor and the high-speed pulping pump.
A control method of a carbon-fixing alkali-reducing reaction device comprises the following operation steps:
the first step is as follows: conveying the fly ash into the reaction tank body through a fly ash adding port, and controlling the weight of the fly ash by a weighing sensor between the lower part of the rack and the reaction tank body;
the second step is that: then inputting water through a water injection pipe, and simultaneously controlling the weight ratio of the water to the fly ash by a weighing sensor; after the water injection process is finished, the motor is started, and a belt pulley is adopted to drive a high-speed slurry making pump to mix materials.
The third step: the switching-over solenoid valve on the switching-over control assembly controls the switching-over pump this moment for thick liquid after mixing flows back to the internal vortex that forms of retort from vortex flange pipe, and the flue gas inlet valve is opened simultaneously, and the exhaust flue gas of power plant is carried through roots's fan and is come, from flue gas pipeline through the flue gas reposition of redundant personnel subassembly by flue gas control valve control, then from the flue gas metal collapsible tube of connection again through the gas nozzle blowout on the flue gas reposition of redundant personnel seat.
The fourth step: the water vapor generated by the reaction and the purified flue gas are discharged from the exhaust port, after full reaction, the reversing electromagnetic valve is started and reversed by adopting the oil mist analyzer and the purified gas source, the reversing electromagnetic valve switches the reversing pump, so that the slurry is conveyed and discharged from the slurry discharging joint, and the dehydrated slurry is used for filling a coal mine collapse area.
Preferably, the flue gas diversion assembly is arranged on a flue gas diversion mounting opening which is spirally distributed at the lower part of the reaction tank body, and under the actions of returning the fly ash by the reversing pump to form vortex and returning and stirring by the high-speed pulping pump, CaO in the fly ash is dissolved into water to form Ca (OH)2 which is subjected to chemical reaction with CO 2: 2ca (oh)2+2CO2 ═ 2CaCO3+2H20, undissolved CaO chemically reacts with CO 2: CaO + CO 2-CaCO 3; thereby playing the roles of fixing carbon and reducing alkalinity.
Preferably, when the high-speed pulping pump needs maintenance or replacement, the reaction tank body is lifted through the steel wire on the lifting steel wire fixing lug plate through the lifting support frame fixed by the lifting connecting seat and the rack.
The invention can achieve the following effects:
compared with the prior art, the carbon-fixing alkali-reducing reaction device and the control method thereof have the characteristics of simple structure, convenience in operation, energy conservation, environmental friendliness and short period. The problem of coal fired power plant gas cleaning emission is solved. The functions of resource recycling and environmental protection are realized through the alkali reduction and carbon fixation of the fly ash.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a schematic top view of the present invention.
FIG. 4 is a structural cross-sectional view of the flue gas diversion assembly of the present invention.
FIG. 5 is a schematic diagram of the construction of the flue gas diversion assembly of the present invention.
FIG. 6 is a schematic view of the structure of a reaction tank of the present invention.
Fig. 7 is a schematic structural diagram of the commutation control assembly of the present invention.
FIG. 8 is a side view schematic of the flue gas duct of the present invention.
FIG. 9 is a schematic top view of the flue gas duct of the present invention.
Figure 10 is a diagrammatic illustration of the construction of the hoisting frame according to the invention.
In the figure: the device comprises a frame 1, a guardrail 2, a reversing control assembly 3, a hoisting frame 4, a reaction tank body 5, a flue gas inlet valve 6, a belt pulley 7, a motor 8, a high-speed pulping pump 9, a flue gas control valve 10, a mixed flow pipe 11, a flue gas pipeline 12, a flue gas shunt assembly 13, a reversing pump 14, a vortex flange pipe 15, a water injection pipe 16, a slurry discharge joint 17, a weighing sensor 18, a fly ash adding port 19, an exhaust port 20, a flue gas guide groove seat 21, a flue gas nozzle 22, a flue gas shunt seat 23, a flue gas metal hose 24, a flue gas shunt mounting port 25, an oil mist analyzer 26, a purifying gas source 27, a reversing electromagnetic valve 28, a reversing control mounting plate 29, a flue gas pipe body 30, a flue gas outlet joint 31, a flue gas inlet flange elbow 32, a hoisting connection seat 33, a hoisting support frame 34 and a hoisting steel wire fixing lug plate 35.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
The embodiment is as follows: as shown in fig. 1-10, a carbon-fixing alkali-reducing reaction device comprises a frame 1, and 4 weighing sensors 18 are arranged between the lower end of a reaction tank body 5 and the frame 1. The upper end of the frame 1 is provided with a guardrail 2, a reaction tank body 5 is arranged in the frame 1, the upper end of the reaction tank body 5 is provided with a fly ash adding port 19, the side edge of the fly ash adding port 19 is provided with an exhaust port 20 communicated with the reaction tank body 5, the side edge of the upper end of the reaction tank body 5 is provided with a water injection pipe 16 which is connected and fixed with the frame 1 in a hooping manner, the lower end of the reaction tank body 5 is provided with a mixed flow pipe 11, a high-speed pulping pump 9 is arranged between the mixed flow pipe 11 and the reaction tank body 5, the lower part of the frame 1 is provided with a motor 8 which is fixedly connected with the frame 1 through bolts, and a belt pulley 7 is arranged between the upper end of the motor 8 and the high-speed pulping pump 9.
5 lower parts of retort body are equipped with 7 flue gas reposition of redundant personnel installing ports 25 that are the heliciform and distribute, all be equipped with flue gas reposition of redundant personnel subassembly 13 on the flue gas reposition of redundant personnel installing port 25, flue gas reposition of redundant personnel subassembly 13 includes flue gas water conservancy diversion groove seat 21, is equipped with flue gas reposition of redundant personnel seat 23 in the flue gas water conservancy diversion groove seat 21, and flue gas reposition of redundant personnel seat 23 front end is equipped with a plurality of and the flue gas nozzle 22 that cup joint the intercommunication with flue gas reposition of redundant personnel seat 23 looks screw thread formula, and flue gas reposition of redundant personnel seat 23 rear end is equipped with the flue gas metal collapsible tube 24 that is linked together with flue gas control valve 10. The side of the reaction tank body 5 is provided with a flue gas inlet valve 6 communicated with the flue gas diversion component 13. A flue gas control valve 10 is arranged between the flue gas diversion assembly 13 and the flue gas inlet valve 6, and a flue gas pipeline 12 which is sleeved with the high-speed pulping pump 9 is arranged between the flue gas control valve 10 and the flue gas inlet valve 6. The flue gas pipeline 12 comprises a flue gas pipe body 30 in a C shape, flue gas outlet joints 31 welded and fixed with the flue gas pipe body 30 in an integrated communication mode are arranged between the flue gas pipe body 30 and the flue gas control valve 10, and a flue gas inlet flange elbow 32 is arranged between the flue gas pipe body 30 and the flue gas inlet valve 6.
The middle part of the reaction tank body 5 is provided with a vortex flange pipe 15 communicated with the reaction tank body 5 in a tangent mode, 2 reversing pumps 14 are arranged between the vortex flange pipe 15 and the mixed flow pipe 11, a slurry discharge joint 17 communicated with a pipeline of the reversing pump 14 is arranged between the mixed flow pipe 11 and the reaction tank body 5, and the upper part of the reaction tank body 5 is provided with a reversing control component 3 communicated with a circuit of the reversing pump 14. The reversing control assembly 3 comprises a reversing control mounting plate 29, a reversing electromagnetic valve 28 which is in circuit communication with the reversing pump 14 is arranged on the reversing control mounting plate 29, an oil mist analyzer 26 is arranged at the front end of the reversing electromagnetic valve 28, and a purified air source 27 is arranged between the oil mist analyzer 26 and the reversing electromagnetic valve 28. The oil mist analyzer 26 and the purified air source 27 play a role of purifying the air source for the reversing solenoid valve 28, so that the working reliability of the reversing solenoid valve 28 is improved, and the service life is prolonged.
A control method of a carbon-fixing alkali-reducing reaction device comprises the following operation steps:
the first step is as follows: conveying the fly ash into the reaction tank body 5 through a fly ash adding port 19, and controlling the weight of the fly ash by a weighing sensor 18 between the lower part of the frame 1 and the reaction tank body 5;
the second step is that: then water is input through a water injection pipe 16, and the weight ratio of the water to the fly ash is controlled by a weighing sensor 18; after the water injection process is finished, the motor 8 is started, and the belt pulley 7 is adopted to drive the high-speed slurry preparation pump 9 to mix materials.
The third step: at this time, the reversing solenoid valve 28 on the reversing control assembly 3 controls the reversing pump 14, so that the mixed slurry flows back to the reaction tank body 5 from the vortex flange pipe 15 to form a vortex, the flue gas inlet valve 6 is opened at the same time, the flue gas exhausted by the power plant is conveyed by the roots blower, passes through the flue gas diversion assembly 13 controlled by the flue gas control valve 10 from the flue gas pipeline 12, and is then ejected out from the connected flue gas metal hose 24 through the flue gas nozzle 22 on the flue gas diversion seat 23.
The flue gas diversion assembly 13 is arranged on a flue gas diversion mounting opening 25 which is spirally distributed at the lower part of the reaction tank body 5, and under the actions of vortex formed by returning the fly ash by the reversing pump 14 and rotary stirring of the high-speed pulping pump 9, CaO in the fly ash is dissolved into water to form Ca (OH)2 which is subjected to chemical reaction with CO 2: 2ca (oh)2+2CO2 ═ 2CaCO3+2H20, undissolved CaO chemically reacts with CO 2: CaO + CO 2-CaCO 3; thereby playing the roles of fixing carbon and reducing alkalinity.
The fourth step: and (3) discharging water vapor generated by reaction and purified flue gas from the exhaust port 20, starting and reversing a reversing electromagnetic valve 28 by using an oil mist analyzer 26 and a purified gas source 27 after full reaction, switching a reversing pump 14 by using the reversing electromagnetic valve 28, so that slurry is conveyed and discharged from a slurry discharge joint 17, and the dehydrated slurry is used for filling a coal mine collapse area.
When the high-speed pulping pump 9 needs to be maintained or replaced, the reaction tank body 5 is lifted through the steel wire on the lifting steel wire fixing lug plate 35 through the lifting support frame 34 fixed by the lifting connection seat 33 and the frame 1.
In conclusion, the carbon-fixing alkali-reducing reaction device and the control method thereof have the characteristics of simple structure, convenience in operation, energy conservation, environmental protection and short period. The problem of coal fired power plant gas cleaning emission is solved. The functions of resource recycling and environmental protection are realized through the alkali reduction and carbon fixation of the fly ash.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (7)
1. The utility model provides a solid carbon falls alkali reaction unit which characterized in that: comprises a frame (1), a reaction tank body (5) is arranged in the frame (1), the upper end of the reaction tank body (5) is provided with a fly ash adding port (19), the side edge of the fly ash adding port (19) is provided with an exhaust port (20) communicated with the reaction tank body (5), the side edge of the upper end of the reaction tank body (5) is provided with a water injection pipe (16) which is connected and fixed with the frame (1) in a hooping manner, the lower end of the reaction tank body (5) is provided with a mixed flow pipe (11), a high-speed slurry preparation pump (9) is arranged between the mixed flow pipe (11) and the reaction tank body (5), the lower part of the reaction tank body (5) is provided with a plurality of flue gas shunt mounting openings (25) which are distributed spirally, the flue gas shunt mounting openings (25) are provided with flue gas shunt components (13), a flue gas inlet valve (6) communicated with the flue gas diversion assembly (13) is arranged on the side edge of the reaction tank body (5); a vortex flange pipe (15) communicated with the reaction tank body (5) in a tangent mode is arranged in the middle of the reaction tank body (5), a plurality of reversing pumps (14) are arranged between the vortex flange pipe (15) and the mixed flow pipe (11), a slurry discharge joint (17) communicated with a pipeline of the reversing pumps (14) is arranged between the mixed flow pipe (11) and the reaction tank body (5), and a reversing control assembly (3) communicated with a phase circuit of the reversing pumps (14) is arranged at the upper part of the reaction tank body (5);
a flue gas control valve (10) is arranged between the flue gas shunt assembly (13) and the flue gas inlet valve (6), and a flue gas pipeline (12) which is sleeved with the high-speed pulping pump (9) is arranged between the flue gas control valve (10) and the flue gas inlet valve (6); the flue gas pipeline (12) comprises a C-shaped flue gas pipe body (30), flue gas outlet joints (31) which are integrally communicated with the flue gas pipe body (30) and fixedly welded with the flue gas pipe body (30) are arranged between the flue gas pipe body (30) and the flue gas control valve (10), and a flue gas inlet flange elbow (32) is arranged between the flue gas pipe body (30) and the flue gas inlet valve (6); flue gas reposition of redundant personnel subassembly (13) include flue gas water conservancy diversion groove seat (21), flue gas water conservancy diversion groove seat (21) in be equipped with flue gas reposition of redundant personnel seat (23), flue gas reposition of redundant personnel seat (23) front end be equipped with a plurality of with flue gas reposition of redundant personnel seat (23) looks screw thread formula cup joint the flue gas nozzle (22) of intercommunication, flue gas reposition of redundant personnel seat (23) rear end be equipped with flue gas metal collapsible tube (24) that are linked together with flue gas control valve (10).
2. The carbon-fixing alkali-reducing reaction device according to claim 1, characterized in that: the reversing control assembly (3) comprises a reversing control mounting plate (29), a reversing electromagnetic valve (28) communicated with a reversing pump (14) in a phase circuit is arranged on the reversing control mounting plate (29), an oil mist analyzer (26) is arranged at the front end of the reversing electromagnetic valve (28), and a purified air source (27) is arranged between the oil mist analyzer (26) and the reversing electromagnetic valve (28).
3. The carbon-fixing alkali-reducing reaction device according to claim 1, characterized in that: frame (1) upper portion be equipped with frame (1) looks bolted connection's crane boom (4), crane boom (4) including jack-up support frame (34), jack-up support frame (34) and frame (1) between be equipped with jack-up connecting seat (33), jack-up support frame (34) lower extreme be equipped with jack-up support frame (34) looks round pin hub connection fixed jack-up steel wire fixed lug (35).
4. The carbon-fixing alkali-reducing reaction device according to claim 1, characterized in that: a plurality of weighing sensors (18) are arranged between the lower end of the reaction tank body (5) and the rack (1); the upper end of the frame (1) is provided with a guardrail (2); frame (1) lower part be equipped with frame (1) looks bolted connection fixed motor (8), motor (8) upper end and high-speed system thick liquid pump (9) between be equipped with belt pulley (7).
5. The carbon-fixing alkali-reducing reaction device according to claim 2, characterized in that: a control method of a carbon-fixing alkali-reducing reaction device comprises the following operation steps:
the first step is as follows: conveying the fly ash into the reaction tank body (5) through a fly ash adding port (19), and controlling the weight of the fly ash by a weighing sensor (18) between the lower part of the rack (1) and the reaction tank body (5);
the second step: then inputting water through a water injection pipe (16), and simultaneously controlling the weight ratio of the water to the fly ash by a weighing sensor (18); after the water injection process is finished, starting the motor (8), and driving a high-speed slurry making pump (9) to mix materials by adopting a belt pulley (7);
the third step: at the moment, a reversing electromagnetic valve (28) on the reversing control assembly (3) controls a reversing pump (14), so that mixed slurry flows back to a reaction tank body (5) from a vortex flange pipe (15) to form a vortex, a flue gas inlet valve (6) is opened at the same time, flue gas exhausted by a power plant is conveyed through a Roots blower, passes through a flue gas shunting assembly (13) controlled by a flue gas control valve (10) from a flue gas pipeline (12), and is sprayed out from a connected flue gas metal hose (24) through a flue gas nozzle (22) on a flue gas shunting seat (23);
the fourth step: the water vapor generated by the reaction and the purified flue gas are discharged from the exhaust port (20), after full reaction, the reversing electromagnetic valve (28) is started and reversed by adopting the oil mist analyzer (26) and the purified gas source (27), the reversing electromagnetic valve (28) switches the reversing pump (14), so that slurry is conveyed and discharged from the slurry discharge joint (17), and the dehydrated slurry is used for filling a coal mine collapse area.
6. The carbon-fixing alkali-reducing reaction device according to claim 5, characterized in that: the flue gas reposition of redundant personnel subassembly (13) are installed on the flue gas reposition of redundant personnel installing port (25) that the retort body (5) lower part is spiral distribution, and under the effect of reversing pump (14) loopback fly ash and form vortex and high-speed system slurry pump (9) gyration stirring, CaO in the fly ash dissolves to form Ca (OH)2 and CO2 and take place the chemical reaction: 2ca (oh)2+2CO2 ═ 2CaCO3+2H2O, undissolved CaO chemically reacts with CO 2: CaO + CO 2-CaCO 3; thereby playing the roles of fixing carbon and reducing alkalinity.
7. The carbon-fixing alkali-reducing reaction device according to claim 5, characterized in that: when the high-speed pulping pump (9) needs to be maintained or replaced, the reaction tank body (5) is lifted through the steel wire on the lifting steel wire fixing lug plate (35) through the lifting support frame (34) fixed by the lifting connection seat (33) and the rack (1).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20080267838A1 (en) * | 2006-01-03 | 2008-10-30 | Reddy Katta J | Apparatus and method for sequestering flue gas CO2 |
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