CN111760437A - Novel flue gas desulfurization method - Google Patents
Novel flue gas desulfurization method Download PDFInfo
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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- B01D53/261—Drying gases or vapours by adsorption
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- B01D53/26—Drying gases or vapours
- B01D53/28—Selection of materials for use as drying agents
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
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Abstract
The invention discloses a novel flue gas desulfurization method, which belongs to the technical field of flue gas treatment and comprises a desulfurization device, wherein the desulfurization device comprises a large annular pipe and a small annular pipe, an air inlet pipe is communicated on the outer side wall of one end of the large annular pipe, an air guide pipe is communicated on the inner side wall of the other end of the large annular pipe, one end, away from the large annular pipe, of the air guide pipe is communicated with the small annular pipe, and an air outlet pipe is communicated on the outer wall of the front surface of one end, away from the air guide pipe, of the small annular. Can realize combining dry desulfurization and wet flue gas desulfurization to be provided with desulfurization ball mechanism, can carry out effective quick desulfurization to the flue gas, desulfurization efficiency is high, through the setting of two ring pipes of size, can prolong the flue gas and flow through the route, improves the desulfurization effect, and simple structure, occupation of land are little, still are provided with dry ball mechanism, can dry the flue gas, and can heat the flue gas, make the flue gas do not have obvious cooling in purifying process.
Description
Technical Field
The invention relates to the technical field of flue gas treatment, in particular to a novel flue gas desulfurization method.
Background
Sulfur dioxide contained in the flue gas can cause very serious pollution to the atmospheric environment, seriously destroy the ecological balance, cause great harm to the health of animals, plants and human beings, generate acid rain to a great extent, corrode and destroy buildings, and seriously affect the ecological environment and the living environment. Therefore, related treatment technologies are continuously researched and developed by related departments in order to effectively reduce the harm caused by sulfur dioxide. At present, the technical means for treating sulfur dioxide pollution is mainly flue gas desulfurization, and in industry, the technical means is mainly a wet desulfurization technology. Among them, the wet desulfurization technique has the advantages of high desulfurization efficiency and high reaction speed, and is widely applied to the desulfurization field.
In the prior art, the desulfurization method is various, but has some common defects, for example, wet desulfurization has the advantages of high desulfurization reaction speed, simple equipment, high desulfurization efficiency and the like, but generally has the problems of serious corrosion, high operation and maintenance cost, easy secondary pollution and the like, dry desulfurization has the advantages of no sewage and waste acid discharge, light equipment corrosion degree, no obvious temperature reduction of flue gas in the purification process, high flue temperature after purification, contribution to chimney exhaust diffusion, less secondary pollution and the like, but has the problems of low desulfurization efficiency, low reaction speed, huge equipment and the like. Therefore, we propose a novel flue gas desulfurization method.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a novel flue gas desulfurization method, which can realize the combination of dry desulfurization and wet desulfurization and is provided with a desulfurization ball mechanism, can effectively and quickly desulfurize flue gas, has high desulfurization efficiency, can prolong the flow path of the flue gas through the arrangement of a large annular pipe and a small annular pipe, improves the desulfurization effect, has a simple structure and small floor area, and is also provided with a drying ball mechanism, can dry the flue gas, can heat the flue gas and ensures that the flue gas has no obvious temperature reduction in the purification process.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A novel flue gas desulfurization method comprises a desulfurization device, wherein the desulfurization device comprises a large annular pipe and a small annular pipe, an air inlet pipe is communicated with the outer side wall of one end of the large annular pipe, an air guide pipe is communicated with the inner side wall of the other end of the large annular pipe, one end, away from the large annular pipe, of the air guide pipe is communicated with the small annular pipe, an air outlet pipe is communicated with the outer wall of the front side of one end, away from the air guide pipe, of the small annular pipe, a plurality of desulfurization ball mechanisms and drying ball mechanisms are arranged inside the large annular pipe and the small annular pipe respectively, each desulfurization ball mechanism comprises a desulfurization ball body, a spherical inner cavity is formed inside the desulfurization ball body, a plurality of air guide holes are formed in the outer wall of the spherical inner cavity, the air guide holes are communicated with the spherical inner cavity, a spherical framework is arranged inside, the utility model discloses a desulfurization device, including spherical skeleton, fixed rod, spherical inner chamber, dry spheroid mechanism, air vent and drying agent, the one end that spherical skeleton was kept away from to the dead lever and the inner wall fixed connection of spherical inner chamber, fixedly connected with spherical membrane on the outer wall of spherical skeleton, the inside packing of spherical skeleton has the absorbent, the first connecting axle of the equal fixedly connected with in upper and lower both ends of desulfurization spheroid, dry spheroid mechanism includes the dry spheroid, spherical inner chamber has been seted up to dry spheroidal inside, a plurality of air vents have been seted up on the outer wall of dry spheroid, the air vent is linked together with spherical inner chamber, the inside packing of spherical inner chamber has the drier, fixedly connected with filter screen on the inner.
Further, the ringlet venturi tube sets up in the inboard of macrocyclic pipe, through macrocyclic pipe, intake pipe, air duct, ringlet venturi tube, the setting of outlet duct, can prolong flue gas flow path, improves desulfurization effect, and simple structure, occupation of land face are little, the outlet duct sets up to the L style of calligraphy, and the orientation that ringlet venturi tube one end was kept away from to the outlet duct is opposite with the orientation that macrocyclic pipe one end was kept away from to the intake pipe to be convenient for discharge the flue gas after the desulfurization.
Furthermore, the outer side walls of the large annular pipe and the small annular pipe are both provided with heat insulation layers, the heat insulation layers are made of polyurethane rigid foam plastics, and the heat insulation layers are arranged, so that the loss of smoke heat in the desulfurization process can be reduced.
Further, desulfurization ball mechanism and dry ball mechanism all are annular evenly distributed, and desulfurization ball mechanism and the crisscross setting of dry ball mechanism for all be equipped with dry ball mechanism between the adjacent desulfurization ball mechanism, thereby improve the drying effect to the flue gas.
Further, the spheroidal material of desulfurization is calcium carbonate, spherical membrane is hydrophobic ventilated membrane, the absorbent is the calcium carbonate thick liquid, through the setting of desulfurization spheroid, spherical inner chamber, air guide hole, spherical skeleton, dead lever, spherical membrane, absorbent, when desulfurization ball mechanism flows through, the desulfurization spheroid carries out the dry-type absorption to the sulfur dioxide in the flue gas, the air guide hole can improve the area of contact of desulfurization spheroid and flue gas, and then improves the absorption effect, the flue gas gets into spherical inner chamber through the air guide hole simultaneously, the absorbent in the spherical skeleton carries out wet-type secondary absorption to sulfur dioxide to combine dry process and wet process to carry out the desulfurization to the flue gas, the desulfurization is efficient and corrodes lowly, the setting of spherical membrane can prevent that the absorbent from spilling in the normal flow of flue gas ability.
Further, the material of spherical skeleton is polytetrafluoroethylene, spherical skeleton sets up to netted, and the spherical skeleton of polytetrafluoroethylene material is high temperature resistant and corrosion-resistant, sets up to netted for when spherical skeleton can carry out effective support, do not hinder the circulation of flue gas.
Further, the spheroidal one end of desulfurization and the inner wall rotation connection that corresponds big ring pipe or ringlet pipe are kept away from to first connecting axle, dry spheroidal one end and the inner wall rotation connection that corresponds big ring pipe or ringlet pipe are kept away from to the second connecting axle for the flow of flue gas can drive desulfurization spheroid and dry spheroid and rotate through the setting of first connecting axle, second connecting axle, thereby increases the effective area of contact of desulfurization spheroid, dry spheroid and flue gas, and then improves the treatment effect.
Further, dry spheroidal material is the cotton that absorbs water, the drier is the calcium oxide powder, the particle diameter of drier is greater than the aperture of filter screen filtration pore, through the setting of dry spheroid, spherical inner chamber, air vent, drier, filter screen, the moisture in the dry spheroid can absorb the flue gas, carries out the drying to the flue gas, and spherical inner chamber can increase area of contact, improves drying effect, and the drier can further absorb moisture, carries out drying process, emits a large amount of heats simultaneously to the flue gas, makes the flue gas do not have obvious cooling in purifying process. The filter screen can prevent the drying agent from spilling out.
Furthermore, on the inner wall of the vent hole and on the side of the filter screen away from the spherical inner chamber, a leakage-proof membrane is fixedly connected, the leakage-proof membrane is a hydrophobic breathable membrane, and the leakage-proof membrane can prevent the drying agent from flowing out after absorbing water.
A novel flue gas desulfurization method comprises the following steps:
s1, communicating the air inlet pipe with the flue gas discharge pipeline, so that the flue gas is discharged into the large annular pipe through the air inlet pipe and enters the small annular pipe through the air guide pipe;
s2, enabling the flue gas to flow in the large annular tube and the small annular tube, enabling the flue gas to absorb sulfur dioxide in the flue gas when the flue gas flows through the desulfurization ball mechanism, enabling the flue gas to enter the spherical inner cavity through the air guide hole, and enabling the absorbent in the spherical framework to absorb the sulfur dioxide for the second time;
s3, when the smoke flows through the drying ball mechanism, the drying ball absorbs moisture in the smoke, the smoke enters the spherical inner chamber through the vent hole, the drying agent in the spherical inner chamber further absorbs the moisture in the smoke, and a large amount of heat is released to heat the smoke;
and S4, discharging the desulfurized and dried flue gas through an air outlet pipe.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme can realize combining dry desulfurization and wet flue gas desulfurization to be provided with desulfurization ball mechanism, can carry out effective quick desulfurization to the flue gas, and desulfurization efficiency is high, through the setting of two ring pipes of size, can prolong the flue gas and flow through the route, improves the desulfurization effect, and simple structure, occupation of land are little, still are provided with dry ball mechanism, can dry the flue gas, and can heat the flue gas, make the flue gas do not have obvious cooling at the purification process.
(2) The ringlet venturi tube sets up in the inboard of macrocyclic venturi tube, through macrocyclic venturi tube, intake pipe, air duct, ringlet venturi tube, the setting of outlet duct, can prolong the flue gas and flow through the route, improves desulfurization effect, and simple structure, occupation of land face are little, and the outlet duct sets up to the L style of calligraphy, and the orientation that ringlet venturi tube one end was kept away from to the outlet duct is opposite with the orientation that macrocyclic venturi tube one end was kept away from to the intake pipe to be convenient for discharge the flue gas after the desulfurization was handled.
(3) The outer side walls of the large annular pipe and the small annular pipe are both provided with heat insulation layers, the heat insulation layers are made of polyurethane rigid foam plastics, and due to the arrangement of the heat insulation layers, the loss of smoke heat in the desulfurization process can be reduced.
(4) Desulfurization ball mechanism and dry ball mechanism all are annular evenly distributed, and desulfurization ball mechanism and the crisscross setting of dry ball mechanism for all be equipped with dry ball mechanism between the adjacent desulfurization ball mechanism, thereby improve the drying effect to the flue gas.
(5) Through the desulfurization spheroid, spherical inner chamber, the air guide hole, spherical skeleton, the dead lever, spherical membrane, the setting of absorbent, when desulfurization ball mechanism flows through, the desulfurization spheroid carries out the dry-type absorption to the sulfur dioxide in the flue gas, the air guide hole can improve the area of contact of desulfurization spheroid and flue gas, and then improve absorption effect, the flue gas gets into spherical inner chamber through the air guide hole simultaneously, absorbent in the spherical skeleton carries out the secondary absorption of wet-type to sulfur dioxide, thereby combine dry process and wet process to carry out the desulfurization to the flue gas, the desulfurization is efficient and corrode lowly, the setting of spherical membrane, can be in the normal flow of flue gas, prevent that the absorbent from spilling.
(6) The material of spherical skeleton is polytetrafluoroethylene, and spherical skeleton sets up to netted, and the spherical skeleton of polytetrafluoroethylene material is high temperature resistant and corrosion-resistant, sets up to netted for when spherical skeleton can carry out effective support, do not hinder the circulation of flue gas.
(7) The spheroidal one end of desulfurization is kept away from to first connecting axle and the inner wall rotation that corresponds big annular tube or ringlet pipe is connected, and dry spheroidal one end and the inner wall rotation that corresponds big annular tube or ringlet pipe are kept away from to the second connecting axle are connected, through the setting of first connecting axle, second connecting axle for the flow of flue gas can drive desulfurization spheroid and dry spheroid and rotate, thereby increase the effective area of contact of desulfurization spheroid, dry spheroid and flue gas, and then improve the treatment effect.
(8) Through the setting of dry spheroid, spherical inner chamber, air vent, drier, filter screen, the moisture in the dry spheroid can be absorbed, carries out the drying to the flue gas, and spherical inner chamber can increase area of contact, improves drying effect, and the drier can further absorb moisture, carries out drying process, emits a large amount of heats simultaneously, heats the flue gas, makes the flue gas do not have obvious cooling in purifying process. The filter screen can prevent the drying agent from spilling out.
(9) The inner wall of the vent hole is fixedly connected with a leakage-proof membrane at one side of the filter screen far away from the spherical inner chamber, the leakage-proof membrane is a hydrophobic breathable membrane, and the leakage-proof membrane is arranged to prevent the drying agent from flowing out after absorbing water.
Drawings
FIG. 1 is a schematic front view of a desulfurization apparatus according to the present invention;
FIG. 2 is a partial cross-sectional view of the inside of a large annular tube and a small annular tube of the present invention;
FIG. 3 is a schematic view of the layered structure of the desulfurization ball mechanism of the present invention;
FIG. 4 is a schematic view of the layered structure of the drying ball mechanism of the present invention;
FIG. 5 is a schematic view showing the flow direction of flue gas in the operating state of the desulfurization apparatus of the present invention.
The reference numbers in the figures illustrate:
001. a large annular tube; 101. an air inlet pipe; 102. an air duct; 103. a heat-insulating layer; 002. a small annular tube; 201. an air outlet pipe; 003. a desulfurization ball mechanism; 301. desulfurizing the spheres; 302. a spherical inner cavity; 303. an air vent; 304. a spherical skeleton; 305. fixing the rod; 306. a spherical membrane; 307. an absorbent; 308. a first connecting shaft; 004. a ball drying mechanism; 401. drying the spheres; 402. a spherical inner chamber; 403. a vent hole; 404. a desiccant; 405. a filter screen; 406. a leak-proof membrane; 407. and a second connecting shaft.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-5, a novel flue gas desulfurization method comprises a desulfurization device, the desulfurization device comprises a large annular tube 001 and a small annular tube 002, the small annular tube 002 is arranged inside the large annular tube 001, an air inlet tube 101, an air guide tube 102, a small annular tube 002 and an air outlet tube 201 are arranged to prolong the flow path of flue gas and improve the desulfurization effect, the structure is simple, the floor area is small, the air outlet tube 201 is arranged in an L shape, the direction of the end of the air outlet tube 201 far away from the small annular tube 002 is opposite to the direction of the end of the air inlet tube 101 far away from the large annular tube 001, so that the flue gas after desulfurization treatment is conveniently discharged, the outer side walls of the large annular tube 001 and the small annular tube 002 are both provided with a heat insulation layer 103, the heat insulation layer 103 is made of polyurethane rigid foam plastic, the arrangement of the heat insulation layer 103 can reduce the loss of flue gas during, the inner side wall of the other end of the large annular tube 001 is communicated with the air duct 102, one end of the air duct 102, far away from the large annular tube 001, is communicated with the small annular tube 002, the outer wall of the front face of the small annular tube 002, far away from one end of the air duct 102, is communicated with the air outlet pipe 201, the large annular tube 001 and the small annular tube 002 are both internally provided with a plurality of desulfurization ball mechanisms 003 and drying ball mechanisms 004, the desulfurization ball mechanisms 003 and the drying ball mechanisms 004 are both annularly and uniformly distributed, the desulfurization ball mechanisms 003 and the drying ball mechanisms 004 are arranged in a staggered mode, so that the drying ball mechanisms 004 are arranged between the adjacent desulfurization ball mechanisms 003, the drying effect on flue gas is improved, the desulfurization ball mechanisms 003 comprise desulfurization balls 301, the inside of the desulfurization balls 301 is provided with spherical inner cavities 302, the outer walls of the spherical inner cavities 302 are provided with a plurality of air guide holes 303, the air guide, the spherical skeleton 304 is made of polytetrafluoroethylene, the spherical skeleton 304 is net-shaped, the spherical skeleton 304 made of polytetrafluoroethylene is high temperature resistant and corrosion resistant, and is net-shaped, so that the spherical skeleton 304 can be effectively supported without obstructing the circulation of flue gas, a plurality of fixing rods 305 are fixedly connected to the outer wall of the spherical skeleton 304, one ends of the fixing rods 305 far away from the spherical skeleton 304 are fixedly connected with the inner wall of the spherical inner cavity 302, a spherical membrane 306 is fixedly connected to the outer wall of the spherical skeleton 304, an absorbent 307 is filled in the spherical skeleton 304, the desulfurization sphere 301 is made of calcium carbonate, the spherical membrane 306 is a hydrophobic breathable membrane, the absorbent 307 is calcium carbonate slurry, and the desulfurization sphere 301, the spherical inner cavity 302, the air guide hole 303, the spherical skeleton 304, the fixing rods 305, the spherical membrane 306 and the absorbent 307 are arranged, when flowing through the desulfurization sphere mechanism 003, the desulfurization sphere 301 performs dry absorption on sulfur dioxide in the flue, the gas guide holes 303 can improve the contact area between the desulfurization sphere 301 and the flue gas, so as to improve the absorption effect, meanwhile, the flue gas enters the spherical inner cavity 302 through the gas guide holes 303, the absorbent 307 in the spherical framework 304 performs wet secondary absorption on sulfur dioxide, so that the flue gas is desulfurized by combining a dry method and a wet method, the desulfurization efficiency is high, the corrosion is low, the arrangement of the spherical membrane 306 can prevent the absorbent 307 from spilling out while the flue gas can normally flow, the upper end and the lower end of the desulfurization sphere 301 are fixedly connected with the first connecting shaft 308, the drying sphere mechanism 004 comprises a drying sphere 401, the inside of the drying sphere 401 is provided with the spherical inner chamber 402, the outer wall of the drying sphere 401 is provided with a plurality of vent holes 403, the vent holes 403 are communicated with the spherical inner chamber 402, the inside of the spherical inner chamber 402 is filled with the drying agent 404, and the inner wall at one, the material of dry spheroid 401 is the cotton that absorbs water, drier 404 is the calcium oxide powder, the particle diameter of drier 404 is greater than the aperture of filter screen 405 filtration pore, through dry spheroid 401, spherical inner chamber 402, air vent 403, drier 404, the setting of filter screen 405, dry spheroid 401 can absorb the moisture in the flue gas, dry the flue gas, spherical inner chamber 402 can increase area of contact, improve drying effect, drier 404 can further absorb moisture, carry out drying process, emit a large amount of heats simultaneously, heat the flue gas, make the flue gas do not have obvious cooling in purifying process. The filter screen 405 can prevent the drying agent 404 from spilling, the leak-proof membrane 406 is fixedly connected on the inner wall of the vent hole 403 and on the side of the filter screen 405 away from the spherical inner chamber 402, the leak-proof membrane 406 is a hydrophobic and breathable membrane, the leak-proof membrane 406 is arranged, the drying agent 404 can be prevented from flowing out after absorbing water, the upper end and the lower end of the drying sphere 401 are fixedly connected with a second connecting shaft 407, one end of the first connecting shaft 308 far away from the desulfurization sphere 301 is rotatably connected with the inner wall of the corresponding large annular tube 001 or small annular tube 002, one end of the second connecting shaft 407 far away from the drying sphere 401 is rotatably connected with the inner wall of the corresponding large annular tube 001 or small annular tube 002, through the arrangement of the first connecting shaft 308 and the second connecting shaft 407, the flowing of the flue gas can drive the desulfurization sphere 301 and the drying sphere 401 to rotate, thereby increasing the effective contact area of the desulfurization sphere 301, the drying sphere 401 and the flue gas, and further improving the treatment effect.
Referring to fig. 1-5, a novel flue gas desulfurization method comprises the following steps:
s1, communicating the air inlet pipe 101 with a flue gas discharge pipeline, so that the flue gas is discharged into the large annular pipe 001 through the air inlet pipe 101 and enters the small annular pipe 002 through the air guide pipe 102;
s2, enabling the flue gas to flow in the large annular tube 001 and the small annular tube 002, enabling the flue gas to flow through the desulfurization ball mechanism 003, enabling the desulfurization ball 301 to absorb sulfur dioxide in the flue gas, enabling the flue gas to enter the spherical inner cavity 302 through the gas guide hole 303, and enabling the absorbent 307 in the spherical framework 304 to absorb the sulfur dioxide for the second time;
s3, when the smoke flows through the drying ball mechanism 004, the drying ball 401 absorbs moisture in the smoke, meanwhile, the smoke enters the spherical inner chamber 402 through the vent hole 403, the drying agent 404 in the spherical inner chamber 402 further absorbs the moisture in the smoke, and simultaneously emits a large amount of heat to heat the smoke;
and S4, discharging the desulfurized and dried flue gas through the gas outlet pipe 201.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. A novel flue gas desulfurization method comprises a desulfurization device, wherein the desulfurization device comprises a large annular tube (001) and a small annular tube (002), and is characterized in that: the outer side wall of one end of the large annular tube (001) is communicated with an air inlet tube (101), the inner side wall of the other end of the large annular tube (001) is communicated with an air guide tube (102), one end, far away from the large annular tube (001), of the air guide tube (102) is communicated with a small annular tube (002), the small annular tube (002) is communicated with an air outlet tube (201) on the outer wall of the front face of one end, far away from the air guide tube (102), of the large annular tube (001) and the small annular tube (002), a plurality of desulfurization ball mechanisms (003) and drying ball mechanisms (004) are arranged inside the large annular tube (001) and the small annular tube (002), each desulfurization ball mechanism (003) comprises a desulfurization ball (301), a spherical inner cavity (302) is formed inside the desulfurization ball (301), a plurality of air guide holes (303) are formed in the outer wall of the spherical inner cavity (302), the air guide holes (303) are communicated, the desulfurization device comprises a spherical framework (304), a plurality of fixing rods (305) are fixedly connected to the outer wall of the spherical framework (304), one ends, far away from the spherical framework (304), of the fixing rods (305) are fixedly connected with the inner wall of a spherical inner cavity (302), a spherical membrane (306) is fixedly connected to the outer wall of the spherical framework (304), an absorbent (307) is filled inside the spherical framework (304), the upper end and the lower end of a desulfurization sphere (301) are fixedly connected with a first connecting shaft (308), a drying sphere mechanism (004) comprises a drying sphere (401), a spherical inner chamber (402) is arranged inside the drying sphere (401), a plurality of vent holes (403) are arranged on the outer wall of the drying sphere (401), the vent holes (403) are communicated with the spherical inner chamber (402), a drying agent (404) is filled inside the spherical inner chamber (402), and a filter screen (405) is fixedly connected to the inner wall of one end, communicated with the spherical inner chamber (, and the upper end and the lower end of the drying sphere (401) are fixedly connected with a second connecting shaft (407).
2. The novel flue gas desulfurization method according to claim 1, characterized in that: little annular tube (002) set up in the inboard of big annular tube (001), outlet duct (201) set up to the L style of calligraphy, and outlet duct (201) keep away from the orientation of little annular tube (002) one end opposite with the orientation that big annular tube (001) one end was kept away from in intake pipe (101).
3. The novel flue gas desulfurization method according to claim 1, characterized in that: the outer side walls of the large annular tube (001) and the small annular tube (002) are both provided with an insulating layer (103), and the insulating layer (103) is made of polyurethane rigid foam plastic.
4. The novel flue gas desulfurization method according to claim 1, characterized in that: desulfurization ball mechanism (003) and dry ball mechanism (004) all are annular evenly distributed, and desulfurization ball mechanism (003) and dry ball mechanism (004) crisscross setting.
5. The novel flue gas desulfurization method according to claim 1, characterized in that: the material of the desulfurization sphere (301) is calcium carbonate, the spherical membrane (306) is a hydrophobic and breathable membrane, and the absorbent (307) is calcium carbonate slurry.
6. The novel flue gas desulfurization method according to claim 1, characterized in that: the material of spherical skeleton (304) is polytetrafluoroethylene, spherical skeleton (304) set up to netted.
7. The novel flue gas desulfurization method according to claim 1, characterized in that: one end of the first connecting shaft (308) far away from the desulfurization sphere (301) is rotatably connected with the inner wall of the corresponding large annular tube (001) or small annular tube (002), and one end of the second connecting shaft (407) far away from the drying sphere (401) is rotatably connected with the inner wall of the corresponding large annular tube (001) or small annular tube (002).
8. The novel flue gas desulfurization method according to claim 1, characterized in that: the drying sphere (401) is made of absorbent cotton, the drying agent (404) is calcium oxide powder, and the particle size of the drying agent (404) is larger than the aperture of the filter hole of the filter screen (405).
9. The novel flue gas desulfurization method according to claim 1, characterized in that: and a leakage-proof membrane (406) is fixedly connected to the inner wall of the vent hole (403) and positioned on one side of the filter screen (405) far away from the spherical inner chamber (402), and the leakage-proof membrane (406) is a hydrophobic breathable membrane.
10. The novel flue gas desulfurization method according to claim 1, characterized in that: the method comprises the following steps:
s1, communicating the air inlet pipe (101) with a flue gas discharge pipeline, so that the flue gas is discharged into the large annular pipe (001) through the air inlet pipe (101) and enters the small annular pipe (002) through the air guide pipe (102);
s2, enabling the flue gas to flow in the large annular tube (001) and the small annular tube (002), absorbing sulfur dioxide in the flue gas by the desulfurization sphere (301) when the flue gas flows through the desulfurization sphere mechanism (003), enabling the flue gas to enter the spherical inner cavity (302) through the air guide hole (303), and performing secondary absorption on the sulfur dioxide by the absorbent (307) in the spherical framework (304);
s3, when the smoke flows through the drying ball mechanism (004), the drying ball body (401) absorbs moisture in the smoke, meanwhile, the smoke enters the spherical inner chamber (402) through the vent hole (403), the drying agent (404) in the spherical inner chamber (402) further absorbs the moisture in the smoke, and simultaneously, a large amount of heat is released to heat the smoke;
and S4, discharging the desulfurized and dried flue gas through an air outlet pipe (201).
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| CN202010658572.4A CN111760437A (en) | 2020-07-09 | 2020-07-09 | Novel flue gas desulfurization method |
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Cited By (1)
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