CN115738674A - Flue gas absorption device - Google Patents
Flue gas absorption device Download PDFInfo
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- CN115738674A CN115738674A CN202211428641.8A CN202211428641A CN115738674A CN 115738674 A CN115738674 A CN 115738674A CN 202211428641 A CN202211428641 A CN 202211428641A CN 115738674 A CN115738674 A CN 115738674A
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Abstract
The invention relates to the technical field of flue gas desulfurization, in particular to a flue gas absorption device, which comprises an absorption tower body; the absorption tower body is provided with a shell; an air inlet is formed in one side of the shell; an air outlet is formed in the top of the shell; more than one liquid spraying pipe is fixedly connected below the air outlet; a through pipe is fixedly connected to the upper part of the bottom of the shell in a penetrating manner; the through pipe is communicated with the liquid spraying pipe and is connected with a water pump; a discharge hole is formed in the bottom of one side, away from the air inlet, of the shell; the through pipe penetrates through the lower part of the shell and is fixedly connected with a feeding pipe; the device also comprises a driving device and a mixing device; the driving device is matched with the mixing device, and the mixing device is driven by the driving device to work, so that on one hand, the flue gas enters the absorption tower in an accelerated manner, and the absorption speed of the flue gas is improved; on the other hand, the driving device drives the mixing device to ensure that the flue gas and the limestone slurry are fully mixed, so that the possibility that the flue gas is not desulfurized and dissipated into the air due to excessive flue gas is reduced, and the flue gas absorption efficiency is further improved.
Description
Technical Field
The invention relates to the technical field of flue gas desulfurization, in particular to a flue gas absorption device.
Background
The flue gas is a mixture of gas and smoke dust and is a main reason for polluting the atmosphere in residential areas; the components of the flue gas mainly comprise water vapor, sulfur dioxide, nitrogen, oxygen, carbon monoxide, carbon dioxide, hydrocarbon, oxynitride, some fine particle impurities and the like;
the flue gas absorption mainly absorbs sulfur dioxide and fine particle impurities in the flue gas, which easily affect the natural environment, the sulfur dioxide easily forms acid rain in the air, and the acid rain is extremely corrosive and easily damages buildings;
the main process of the flue gas absorption device is as follows: the flue gas absorption is mainly finished by an absorption tower, namely flue gas desulfurization, and alkaline substances react with sulfur dioxide in flue gas to generate a mixture of sulfite and sulfate, so that sulfur dioxide gas cannot escape into the air;
in the prior art, flue gas desulfurization is widely applied in many places, but in factories with high flue gas concentration, traditional wet gypsum method flue gas desulfurization equipment is mostly adopted, limestone alkaline slurry is sprayed from top to bottom, flue gas flows from bottom to top, limestone slurry drops absorb sulfur dioxide in the flue gas in the falling process, and byproducts such as calcium sulfite and calcium sulfate are generated, so that the aim of removing the sulfur dioxide in the flue gas is fulfilled, but because the falling speed of the limestone slurry drops is high, the limestone slurry drops cannot fully react with the flue gas, so that the desulfurization efficiency is low;
in view of this, in order to overcome the above technical problems, the present invention provides a flue gas absorption apparatus, which solves the above technical problems.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in the prior art, because the limestone slurry drops have high falling speed, the limestone slurry drops can not fully react with flue gas, so that the desulfurization efficiency is low.
The invention provides a flue gas absorption device, which comprises an absorption tower body; the absorption tower body is provided with a shell; an air inlet is formed in one side of the shell; an air outlet is formed in the top of the shell; more than one liquid spraying pipe is fixedly connected below the air outlet; a through pipe is fixedly connected to the upper part of the bottom of the shell in a penetrating manner; the through pipe is communicated with the liquid spraying pipe and is connected with a water pump; a discharge hole is formed in the bottom of one side, away from the air inlet, of the shell; the through pipe penetrates through the lower part of the shell and is fixedly connected with a feeding pipe; also comprises the following steps of (1) preparing,
a mixing device; the mixing device is arranged in the shell and is used for enabling sulfur dioxide to fully react with limestone slurry;
a drive device; the driving device is arranged on the absorption tower body and used for driving the mixing device to work.
The driving device comprises;
a motor; the motor is fixedly connected to the upper position of the discharge hole on the shell, and the output end of the motor penetrates through the shell;
a first rotating shaft; one end of the first rotating shaft is fixedly connected to the output end of the motor, and the other end of the first rotating shaft is close to the air inlet;
a first bevel gear; the first bevel gear is fixedly connected to the first rotating shaft;
a connecting plate; the connecting plate is fixedly connected to one side of the inner wall of the shell and is positioned below the air inlet;
a second rotating shaft; the second rotating shaft is rotatably connected to the central position of the connecting plate;
a second bevel gear; the second bevel gear is fixedly connected to the second rotating shaft and is in meshing transmission with the first bevel gear.
The mixing device comprises a mixing device and a mixing device,
a fan; the fan is fixedly connected to one end, close to the air inlet, of the first rotating shaft;
a leaf number one; the first blade is fixedly connected to the second rotating shaft and located below the connecting plate.
The connecting plate is provided with a cavity, and the bottom of the connecting plate is provided with a plurality of small holes; an oxygenation pump is fixedly connected to the connecting plate through the outer wall of the shell.
And a demister is fixedly connected below the air outlet.
No. two blade of axis of rotation bottom rigid coupling, and No. two blade surfaces are equipped with a plurality of through-holes.
A filter screen is fixedly connected with the through pipe opening at one side of the through shell and the discharge opening.
The tower bottom is provided with a collecting tank, and one side of the collecting tank, which is close to the shell, is provided with a door body.
And a concentration detection device is arranged at the top of the air outlet.
The casing, the fan, the first rotating shaft, the second rotating shaft, the first bevel gear, the second bevel gear, the first blade and the second blade are all coated with KN22 high-molecular ceramic polymer materials.
The invention has the following beneficial effects:
1. according to the flue gas absorption device provided by the invention, the driving device is matched with the mixing device, and the mixing device is driven to work by the driving device, so that on one hand, flue gas enters the absorption tower at an accelerated speed, the flue gas absorption speed is increased, and further the flue gas absorption efficiency is improved; on the other hand, the driving device drives the mixing device to ensure that the flue gas and the limestone slurry are fully mixed, so that the possibility that the flue gas is not desulfurized and dissipated into the air due to excessive flue gas is reduced, and the flue gas absorption efficiency is further improved.
2. According to the flue gas absorption device provided by the invention, calcium sulfite is fully contacted with oxygen above through stirring to form calcium sulfate (gypsum), so that the yield of gypsum is improved, and the phenomenon that the liquid rotates at a constant speed along a certain flow direction and cannot be contacted with the oxygen above due to the fact that centrifugal force is formed due to the fact that the stirring speed is too high is reduced through the through holes; and further, the yield of gypsum is improved, the conversion speed of calcium sulfite is improved, the conversion speed of sulfur dioxide gas is improved, and the working efficiency of the absorption tower body is further improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a body diagram of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a partial cross-sectional view of a spray tube of the present invention;
FIG. 5 is a front view of blade number two of the present invention;
in the figure: absorption tower body 1, casing 2, air inlet 21, gas outlet 22, sparge pipe 23, siphunculus 24, water pump 25, discharge gate 26, filter screen 261, filling tube 27, drive arrangement 3, motor 31, a axis of rotation 32, a bevel gear 33, connecting plate 34, no. two axis of rotation 35, no. two bevel gear 36, mixing arrangement 4, fan 41, no. one blade 42, no. two blades 43, oxygenation pump 5, defroster 6, collecting vat 7, door 71, concentration detection equipment 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Example 1: the embodiment is suitable for flue gas absorption in residential areas; the smoke of residential areas mainly comes from the tail gas emission of vehicles and the emission of range hoods in household kitchens, the relative sulfur content is low, and the average sulfur content per hour is up to 150 mu g/m 3 And the working strength of the smoke absorption device is lower.
The existing flue gas absorption device has the following defects: in the prior art, the limestone slurry liquid drop falling speed is high, and the limestone slurry liquid drop and the flue gas can not fully react, so that the desulfurization efficiency is low;
in order to solve the above problems, the present embodiment adopts the following main concepts: the driving device 3 is matched with the mixing device 4, and the mixing device 4 is driven to work by the driving device 3, so that on one hand, the flue gas enters the absorption tower at an accelerated speed, the flue gas absorption speed is increased, and further the flue gas absorption efficiency is improved; on the other hand, the driving device 3 drives the mixing device 4 to ensure that the flue gas and the limestone slurry are fully mixed, so that the possibility that the flue gas is not desulfurized and dissipated into the air due to excessive flue gas is reduced, and the flue gas absorption efficiency is further improved.
In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.
The invention provides a flue gas absorption device, which comprises an absorption tower body 1; the absorption tower body 1 is provided with a shell 2; an air inlet 21 is formed in one side of the shell 2; an air outlet 22 is formed in the top of the shell 2; more than one liquid spraying pipe 23 is fixedly connected below the air outlet 22; the bottom of the liquid spraying pipe 23 is provided with a spray head; a through pipe 24 is fixedly connected to the upper part of the bottom of the shell 2 in a penetrating manner; the through pipe 24 is communicated with the liquid spraying pipe 23 and is connected with a water pump 25; a discharge hole 26 is formed in the bottom of the side, away from the air inlet 21, of the shell 2; the through pipe 24 penetrates through the lower part of the shell 2 and is fixedly connected with a feeding pipe 27; also comprises a step of adding a new type of additive,
a mixing device 4; the mixing device 4 is arranged in the shell 2 and is used for enabling sulfur dioxide to fully react with limestone slurry;
a drive device 3; the driving device 3 is arranged on the absorption tower body 1 and used for driving the mixing device 4 to work;
when a factory works to emit smoke, the smoke absorption device needs to be driven to work; the worker starts the mixing device 4 through the driving device 3, the flue gas enters the absorption tower from the gas inlet 21 on the absorption tower body 1, and the desulfurized gas is discharged from the gas outlet 22 at the top of the shell 2; the operator injects limestone slurry into the bottom of the tower through the feed pipe 27, then closes the feed pipe 27 (a baffle or a valve can be arranged here), under the action of the water pump 25, the limestone slurry flows to the liquid spraying pipe 23 from the through pipe 24, and then the limestone slurry in the liquid spraying pipe 23 drops and contacts with the flue gas; the driving device 3 enables the mixing device 4 to work, and the mixing device 4 further enables the flue gas and the limestone slurry to be fully mixed;
in the prior art, limestone slurry is sprayed through a spray head, so that sulfur dioxide gas in flue gas is contacted with limestone and then converted into sulfite, thereby achieving the technical effect of desulfurization, and when the amount of flue gas is too large, the possibility that part of discharged gas does not reach the standard exists;
according to the invention, the driving device 3 is matched with the mixing device 4, and the driving device 3 enables the mixing device 4 to work, so that on one hand, flue gas enters the absorption tower in an accelerated manner, the speed of flue gas absorption is increased, and the efficiency of flue gas absorption is further increased; on the other hand, the driving device 3 drives the mixing device 4 to fully mix the flue gas and the limestone slurry, so that the possibility that the flue gas is not desulfurized and dissipated into the air due to excessive flue gas is reduced, and the flue gas absorption efficiency is further improved.
The drive means 3 comprise;
a motor 31; the motor 31 is fixedly connected to the upper part of the discharge hole 26 on the shell 2, and the output end of the motor 31 penetrates through the shell 2;
a first rotating shaft 32; one end of the first rotating shaft 32 is fixedly connected to the output end of the motor 31, and the other end of the first rotating shaft is close to the air inlet 21;
a first bevel gear 33; the first bevel gear 33 is fixedly connected to the first rotating shaft 32;
a connecting plate 34; the connecting plate 34 is fixedly connected to one side of the inner wall of the shell 2 and is positioned below the air inlet 21;
a second rotating shaft 35; the second rotating shaft 35 is rotatably connected to the center of the connecting plate 34;
a second bevel gear 36; the second bevel gear 36 is fixedly connected to the second rotating shaft 35, and the second bevel gear 36 is in meshing transmission with the first bevel gear 33;
the mixing device 4 is comprised of a mixing device,
a fan 41; the fan 41 is fixedly connected to one end, close to the air inlet 21, of the first rotating shaft 32;
vane number one 42; the first blade 42 is fixedly connected to the second rotating shaft 35 and positioned below the connecting plate 34;
when a factory emits smoke in the working process, the smoke absorption device needs to be driven to work; the worker starts the mixing device 4 through the driving device 3, the flue gas enters the absorption tower from the gas inlet 21 on the absorption tower body 1, and the desulfurization gas is discharged from the gas outlet 22 at the top of the shell 2; the operator injects limestone slurry into the bottom of the tower through the feed pipe 27, then closes the feed pipe 27 (where a baffle or a valve can be arranged), under the action of the water pump 25, the limestone slurry circulates to the liquid spray pipe 23 through the through pipe 24, and then the limestone slurry in the liquid spray pipe 23 drops from the nozzle at the bottom of the liquid spray pipe 23, and further contacts with upward flue gas; the device is provided with an electric transmission control system in the prior art (the electric transmission control system is in the prior art), a worker starts the motor 31 through the electric transmission control system, the output end of the motor 31 rotates and simultaneously drives the first rotating shaft 32 to rotate, and then drives the fan 41 fixedly connected with one end, far away from the motor 31, of the first rotating shaft 32 to rotate, and then the fan 41 sucks air into the absorption tower body 1, so that the speed of flue gas entering the tower is increased, and the absorption efficiency of the absorption tower body 1 is improved; at the moment, limestone slurry dropping from the spray head falls, and the possibility of forming fog exists under the action of the fan 41, so that the limestone slurry is fully contacted with sulfur dioxide in the flue gas, the conversion speed of the sulfur dioxide is further improved, and the working efficiency of the absorption tower is further improved;
when the first rotating shaft 32 rotates, the first bevel gear 33 fixedly connected with the first rotating shaft 32 also rotates along with the first rotating shaft 32, so that the second bevel gear 36 in meshing transmission with the first bevel gear 33 is driven to rotate, the second bevel gear 36 drives the second rotating shaft 35 to rotate, the second rotating shaft 35 is rotatably connected with the connecting plate 34, the connecting plate 34 is fixedly connected with the shell 2, further, the second rotating shaft 35 drives the first blade 42 to rotate, the first blade 42 is completely immersed below the surface of limestone slurry, after the flue gas enters from the gas inlet 21, part of the flue gas flows upwards, the rest of the flue gas directly contacts with the limestone slurry, sulfite is formed on the uppermost layer, then the top layer of the limestone slurry slowly moves downwards, and the first blade 42 enables the upper layer of the limestone slurry to be rapidly stirred, so that the upper layer of the limestone slurry is fully mixed with the flue gas, the absorption speed of sulfur dioxide in the flue gas is increased, and the working efficiency of the absorption tower is further improved.
The connecting plate 34 is provided with a cavity, and the bottom of the connecting plate 34 is provided with a plurality of small holes; an oxygenation pump 5 is fixedly connected at the penetrating position of the connecting plate 34 on the outer wall of the shell 2;
when the absorption tower body 1 works, the electric transmission control system controls the operation of the oxygenation pump 5, so that oxygen discontinuously flows into the cavity in the connecting plate 34, and then the oxygen escapes from the small hole at the bottom of the connecting plate 34, so that calcium sulfite is converted into calcium sulfate (namely gypsum) and further moves downwards to the bottom of the absorption tower body 1, and after the absorption tower works for a long time, a worker opens the discharge hole 26, so that limestone slurry of a gypsum mixing part enters the next process, and further extracts the gypsum; thereby improving the conversion rate of the sulfite, improving the absorption rate of sulfur dioxide gas and improving the production efficiency of gypsum.
A demister 6 is fixedly connected below the air outlet 22;
when the gas which has absorbed sulfur dioxide moves upwards continuously through the liquid spraying pipe 23, mist with small particle size is easy to generate and contains water, sulfuric acid, sulfate, sulfur dioxide and the like, and causes pollution and serious corrosion of a fan, a heat exchanger and a flue, and the mist eliminator 6 isolates mist particles carried by the flue gas in the spray absorption process from slurry drops (in the process that the flue gas moves upwards, the mist eliminator 6 is of a corrugated plate structure, due to the inertia impact effect of the gas, the mist foams collide with the corrugated plate, and when the accumulated liquid drops are so large that the gravity generated by the liquid drops exceeds the lifting force of the gas, the liquid drops are separated from the surface of the corrugated plate), so that the mist particles and the slurry drops cannot escape from the gas outlet 22 and then fall back to the lower part of the liquid spraying pipe 23, the mist particles and the sulfur dioxide and the like in the slurry drops are neutralized again, the harm caused by the sulfur dioxide and the sulfuric acid escaping into the air is reduced, the absorption speed of the sulfur dioxide gas is further improved, and the working efficiency of the absorption tower body 1 is further improved.
A filter screen 261 is fixedly connected with the opening of the through pipe 24 at one side of the through shell 2 and the discharge hole 26;
when the flue gas enters into absorption tower body 1 from air inlet 21, there is some solid-state particle impurity, and then fall in the limestone slurry, and it does not react with the object, and then deposit the tower bottom layer, but some solid particle impurity is under the stirring of blade 42, solid particle impurity is to the siphunculus 24 mouth and the 26 circulation of discharge gate that run through casing 2 one side, and then block up siphunculus 24 and discharge gate 26, spray the limestone slurry and collect with the gypsum and produce the influence, filter screen 261 has reduced the possibility that solid particle impurity gets into siphunculus 24 and discharge gate 26, and then the efficiency that flue gas absorption and gypsum were collected has been improved.
A collecting tank 7 is arranged at the tower bottom, and a door body 71 is arranged on one side, close to the shell 2, of the collecting tank 7;
after solid particle impurities are precipitated at the bottom of the absorption tower body 1, the collecting tank 7 collects the solid particle impurities to reduce the possibility of the solid particle impurities accumulating at the discharge port 26, meanwhile, under the stirring of the first blade 42, part of the solid particle impurities can fill all parts at the bottom of the tower, and the collecting tank 7 is positioned at the bottom of the shell 2 and is not positioned at the same level with the discharge port 26, so that the possibility of the solid particles accumulating at the discharge port 26 is reduced; thereby reducing the possibility that the gypsum is difficult to purify in the subsequent work due to excessive impurities; the staff regularly opens door 71 for solid particle impurity in the collecting vat 7 is clear away, and then has improved the work efficiency of absorption tower body 1.
And a concentration detection device 8 is arranged at the top of the air outlet 22.
After sulfur dioxide etc. are absorbed in the flue gas, gaseous from gas outlet 22 upwards outflow, and concentration detection equipment 8 can in time will get rid of all kinds of gas composition content records and pass through signal of telecommunication in the gas for the audio-visual understanding absorption tower body 1 behavior of staff, and then ensured absorption tower body 1's work efficiency, reduced because of misoperation makes the flue gas get into atmospheric possibility.
The casing 2, the fan 41, the first rotating shaft 32, the second rotating shaft 35, the first bevel gear 33, the second bevel gear 36 and the first blade 42 are all coated with KN22 high-molecular ceramic polymer materials;
the sulfurous acid has strong corrosivity, the limestone solution is alkaline, the surfaces of the shell 2, the fan 41, the first rotating shaft 32, the second rotating shaft 35, the first bevel gear 33, the second bevel gear 36 and the first blade 42 are easily corroded after being contacted for a long time, the KN22 high-polymer ceramic polymer material has the advantages of being good in abrasion resistance, strong in corrosion resistance and the like, and the service life of the absorption tower body 1 is prolonged.
Example 2: the embodiment is suitable for flue gas absorption in a factory; the flue gas concentration of the air in the factory is high, and the average sulfur content per hour is up to 500 mu g/m 3 Therefore, the working strength of the flue gas absorption device is high, and the working efficiency needs to be improved.
A second blade 43 is fixedly arranged at the bottom of the second rotating shaft 35, and a plurality of through holes are formed in the surface of the second blade 43;
when the second rotating shaft 35 rotates, the second blade 43 drives the mixture of the bottom calcium sulfite and the calcium sulfate (gypsum) to be stirred, but through holes are formed in the surface of the second blade 43, so that the flow speed below the liquid is lower than the flow speed above the liquid, the calcium sulfite is fully contacted with oxygen above the liquid to form the calcium sulfate (gypsum) through stirring, the yield of the gypsum is improved, and the through holes reduce the phenomenon that the centrifugal force is formed due to the overhigh stirring speed, so that the liquid uniformly rotates along a certain flow direction and cannot be contacted with the oxygen above the liquid; further improving the yield of the gypsum, the conversion speed of the calcium sulfite, the conversion speed of the sulfur dioxide gas and the working efficiency of the absorption tower body 1.
The specific working process is as follows:
when a factory emits smoke in the working process, the smoke absorption device needs to be driven to work; the worker starts the mixing device 4 through the driving device 3, the flue gas enters the absorption tower from the gas inlet 21 on the absorption tower body 1, and the desulfurization gas is discharged from the gas outlet 22 at the top of the shell 2; the operator injects limestone slurry into the bottom of the tower through the feed pipe 27, then closes the feed pipe 27, under the action of the water pump 25, the limestone slurry circulates to the liquid spraying pipe 23 through the through pipe 24, and then the limestone slurry in the liquid spraying pipe 23 drops from the nozzle at the bottom of the liquid spraying pipe 23, and further contacts with upward flue gas; the device is provided with an electric transmission control system in the prior art, a worker starts the motor 31 through the electric transmission control system, the output end of the motor 31 rotates and simultaneously drives the first rotating shaft 32 to rotate, and then drives the fan 41 fixedly connected with one end, far away from the motor 31, of the first rotating shaft 32 to rotate, and then the fan 41 sucks air into the absorption tower body 1, so that the speed of flue gas entering the tower is increased, and the absorption efficiency of the absorption tower body 1 is improved; at the moment, limestone slurry dropping from the spray head drops, and has the possibility of forming fog under the action of the fan 41, so that the limestone slurry is fully contacted with sulfur dioxide in the flue gas, the conversion speed of the sulfur dioxide is further improved, and the working efficiency of the absorption tower is further improved;
when the first rotating shaft 32 rotates, the first bevel gear 33 fixedly connected with the first rotating shaft 32 also rotates along with the first rotating shaft 32, so that the second bevel gear 36 in meshing transmission with the first bevel gear 33 is driven to rotate, the second bevel gear 36 drives the second rotating shaft 35 to rotate, the second rotating shaft 35 is rotatably connected with the connecting plate 34, the connecting plate 34 is fixedly connected with the shell 2, the second rotating shaft 35 drives the first blade 42 to rotate, smoke enters the rear part from the air inlet 21 and upwards, other gas flows downwards and directly contacts with limestone slurry, sulfite is formed on the uppermost layer, and then slowly moves downwards, the first blade 42 enables the upper layer of the limestone slurry to be rapidly stirred, the limestone slurry on the upper layer is fully mixed with the smoke, the absorption speed of sulfur dioxide in the smoke is improved, and the working efficiency of the absorption tower is further improved.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The invention provides a flue gas absorption device, which comprises an absorption tower body (1); a shell (2) is arranged on the absorption tower body (1); an air inlet (21) is formed in one side of the shell (2); an air outlet (22) is formed in the top of the shell (2); more than one liquid spraying pipe (23) is fixedly connected below the air outlet (22); a through pipe (24) is fixedly connected above the bottom of the shell (2) in a penetrating way; the through pipe (24) is communicated with the liquid spraying pipe (23) and is connected with a water pump (25); a discharge hole (26) is formed in the bottom of one side, away from the air inlet (21), of the shell (2); the through pipe (24) penetrates through the lower part of the shell (2) and is fixedly connected with a feeding pipe (27); the method is characterized in that: also comprises the following steps of (1) preparing,
a dust removal device; the mixing device (4) is arranged inside the shell (2) and is used for enabling sulfur dioxide to fully react with limestone slurry;
a drive device (3); the driving device (3) is arranged on the absorption tower body (1) and used for driving the mixing device (4) to work.
2. A flue gas absorption unit according to claim 1, wherein: the drive device (3) comprises;
a motor (31); the motor (31) is fixedly connected to the upper position of the discharge hole (26) of the shell (2), and the output end of the motor (31) penetrates through the shell (2);
a first rotating shaft (32); one end of the first rotating shaft (32) is fixedly connected to the output end of the motor (31), and the other end of the first rotating shaft is close to the air inlet (21);
a first bevel gear (33); the first bevel gear (33) is fixedly connected to the first rotating shaft (32);
a connecting plate (34); the connecting plate (34) is fixedly connected to one side of the inner wall of the shell (2) and is positioned below the air inlet (21);
a second rotating shaft (35); the second rotating shaft (35) is rotatably connected to the center of the connecting plate (34);
a second bevel gear (36); the second bevel gear (36) is fixedly connected to the second rotating shaft (35), and the second bevel gear (36) is in meshing transmission with the first bevel gear (33).
3. A flue gas absorption unit according to claim 1, wherein: the mixing device (4) comprises a mixing chamber,
a fan (41); the fan (41) is fixedly connected to one end, close to the air inlet (21), of the first rotating shaft (32);
a first vane (42); the first blade (42) is fixedly connected to the second rotating shaft (35) and located below the connecting plate (34).
4. A flue gas absorption unit according to claim 2, wherein: the connecting plate (34) is provided with a cavity, and the bottom of the connecting plate (34) is provided with a plurality of small holes; an oxygenation pump (5) is fixedly connected to the penetrating position of the outer wall connecting plate (34) of the shell (2).
5. A flue gas absorption unit according to claim 1, wherein: a demister (6) is fixedly connected below the air outlet (22).
6. A flue gas absorption unit according to claim 2, wherein: no. two blades (43) are fixedly connected to the bottom of the second rotating shaft (35), and a plurality of through holes are formed in the surface of each second blade (43).
7. A flue gas absorption unit according to claim 1, wherein: a filter screen (261) is fixedly connected with the through pipe (24) opening and the discharge opening (26) at one side of the through shell (2).
8. A flue gas absorption unit according to claim 1, wherein: the absorption tower is characterized in that a collecting tank (7) is arranged at the bottom of the absorption tower body (1), and a door body (71) is arranged on one side, close to the shell (2), of the collecting tank (7).
9. A flue gas absorption unit according to claim 1, wherein: and a concentration detection device (8) is arranged at the top of the air outlet (22).
10. A flue gas absorption unit according to claim 1, wherein: the casing (2), the fan (41), the first rotating shaft (32), the second rotating shaft (35), the first bevel gear (33), the second bevel gear (36), the first blade (42) and the second blade (43) are all coated with KN (22) high polymer ceramic polymer materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211428641.8A CN115738674A (en) | 2022-11-15 | 2022-11-15 | Flue gas absorption device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211428641.8A CN115738674A (en) | 2022-11-15 | 2022-11-15 | Flue gas absorption device |
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| CN115738674A true CN115738674A (en) | 2023-03-07 |
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| CN202211428641.8A Pending CN115738674A (en) | 2022-11-15 | 2022-11-15 | Flue gas absorption device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117323810A (en) * | 2023-11-13 | 2024-01-02 | 江苏国强环保集团有限公司 | Two-stage partition spray desulfurization system and process thereof |
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2022
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117323810A (en) * | 2023-11-13 | 2024-01-02 | 江苏国强环保集团有限公司 | Two-stage partition spray desulfurization system and process thereof |
| CN117323810B (en) * | 2023-11-13 | 2024-06-11 | 江苏优普环境科技有限公司 | Two-stage partition spray desulfurization system and process thereof |
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