CN217887537U

CN217887537U - Wet-type desulfurization and dust removal system for pellet flue gas

Info

Publication number: CN217887537U
Application number: CN202221848331.7U
Authority: CN
Inventors: 詹广理; 肖检之; 郑江
Original assignee: Jiangxi Lianda Jinshawan Metallurgical Co ltd
Current assignee: Jiangxi Lianda Jinshawan Metallurgical Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-11-25
Anticipated expiration: 2032-07-18

Abstract

The utility model discloses a pellet flue gas wet desulfurization dust pelletizing system, including fuselage body and opening, the inside top position fixed mounting of fuselage body has the electric seal valve, electric seal valve bottom surface position evenly encircles and installs a plurality of groups pressure boost shower nozzles. The utility model discloses a, the dust removal board has been adopted, the desulfurization case, in the in-service use process, can continuously bulge into gaseous increase pressure through the pressure boost shower nozzle after the flue gas is installed and make the flue gas more abundant move down accept the processing, prevent gaseous remaining, and can be thorough adsorb the dust through the cooperation of dust removal board and discharge electrode when the flue gas is handled and get rid of, reduce the pollution to the environment, get rid of sulphur ion through what the inside double-deck slaked lime structure of desulfurization case can be thorough after finishing removing dust, realize good desulfurization effect, different equipment collocation uses can the at utmost lift the treatment effect, it is effectual to have the desulfurization of removing dust, handle thorough advantage.

Description

Wet-type desulfurization and dust removal system for pellet flue gas

Technical Field

The utility model relates to a flue gas processing technology field particularly, relates to a pellet flue gas wet-type desulfurization dust pelletizing system.

Background

The pellet is a method for preparing artificial block raw materials, and is a process for changing powdery materials into physical property phase chemical compositions capable of meeting the processing requirements of the next step. In the pelletizing process, the material is rolled into balls and the particles are dense, so that physical properties such as density, porosity, shape, size phase mechanical strength and the like of the material are changed, more importantly, chemical and physicochemical properties such as chemical composition, reducibility, expansibility, high-temperature reduction softening property, low-temperature reduction softening property, fusibility and the like are generated, and the metallurgical performance of the material is improved.

In the in-service use process, a present pellet flue gas wet desulfurization dust pelletizing system when handling the flue gas, some flue gas can stop for a long time inside the device, and then influence holistic treatment effect to absorbent dust can't be timely discharge in the processing procedure, causes secondary pollution easily, has certain limitation.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a pellet flue gas wet desulfurization dust pelletizing system possesses that the dust removal desulfurization is effectual, the dust is collected, is handled thorough advantage, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For realizing the advantages of good dust removal and desulfurization effect, dust collection and thorough treatment, the utility model adopts the following concrete technical scheme:

the utility model provides a pellet flue gas wet desulfurization dust pelletizing system, includes fuselage body and circulation hole, the inside top position fixed mounting of fuselage body has the electric seal valve, electric seal valve bottom surface position evenly encircles and installs a plurality of groups pressure boost shower nozzle, pressure boost shower nozzle below is located the inside position fixed mounting of fuselage body and has the processing case, it evenly is equipped with a plurality of groups guide hole to handle case both ends surface position, handle the even symmetry of the inside both sides surface position of incasement portion and install a plurality of groups dust removal board, dust removal board top is located the processing incasement portion surface position and is equipped with a plurality of groups discharge electrode, the inside side surface top position of dust removal board is equipped with the connecting axle, connecting axle one end is connected with the motor, connecting axle both sides surface position symmetry is equipped with the anode plate, the connecting axle below is located the inside bottom surface position of dust removal board and is equipped with a plurality of groups brush, brush one side position of bottom surface position that is located dust removal inboard is equipped with the blanking groove, blanking groove one end runs through the pipeline and is connected with the collecting box fuselage one side.

Furthermore, a plurality of groups of bearing plates are uniformly arranged at the middle positions inside the machine body below the treatment box, a plurality of groups of refrigerating pipes are uniformly arranged on the surface of one side of each bearing plate, and the number of the refrigerating pipes is gradually increased.

Further, the loading board is located the inside bottom surface position of fuselage body below and is equipped with the desulfurization case, the inside position of desulfurization case is equipped with the filter screen, the filter screen top is located the inside position of desulfurization case and is equipped with the stirring rake, stirring rake one end runs through fuselage body one side and is connected with driving motor, a plurality of groups stirring fan blades are installed to stirring rake both sides surface position symmetry, the stirring fan blade periphery is filled there is the slaked lime powder, the filter screen below is located the inside position of desulfurization case and is equipped with the slaked lime piece.

Furthermore, circulation holes are symmetrically formed in the middle of the surfaces of the two ends of the machine body.

Further, the top of the surface of one side of the body is fixedly provided with a booster fan, and one end of the booster fan penetrates through one side of the body and is connected with a booster nozzle through a pipeline.

Further, rubber gaskets for enhancing the sealing performance are symmetrically arranged at two ends of the electric sealing valve.

Further, the length of the discharge electrode is gradually longer than the side length.

Furthermore, the surface positions of the two ends of the desulfurization box are symmetrically provided with channels for circulating gas, and the surface position of the bottom end of the desulfurization box is provided with filter cloth for preventing the slaked lime blocks from falling off for use.

(III) advantageous effects

Compared with the prior art, the utility model provides a pellet flue gas wet desulfurization dust pelletizing system possesses following beneficial effect:

(1) The utility model discloses a, the dust removal board has been adopted, the desulfurization case, in the in-service use process, can continuously bulge into gaseous increase pressure through the pressure boost shower nozzle after the flue gas is installed and make the more abundant downward movement of flue gas accept the processing, prevent gaseous remaining, improve the treatment effect, and can be thorough adsorb the dust through the cooperation of dust removal board and discharge electrode when flue gas is handled and get rid of, reduce the pollution to the environment, get rid of sulfur ion through what the inside double-deck hydrated lime structure of desulfurization case can be thorough after the dust removal finishes, realize good desulfurization effect, different equipment collocation use can be at utmost lift the treatment effect, it is effectual to have the dust removal desulfurization, handle thorough advantage.

(2) The utility model discloses a, the brush has been adopted, the whereabouts groove, in the in-service use process, after the flue gas admission apparatus, at first carry out high-voltage corona discharge through discharge electrode and make the dust lotus in the flue gas, the dust after the lotus is attached to the upper surface of anode plate under the effect of electric field force, the realization is got rid of the dust in the flue gas, then rotation through the motor can drive the connecting axle and rotate, make the anode plate that has adsorbed the dust rotate to the dust removal inboard inside, the anode plate loses the power supply after getting into the dust removal inboard inside, make the dust drop downwards because gravity, then flow into the inside collection that carries out the dust of collecting box through the whereabouts groove, the subsequent processing of being convenient for, because the dust can be got rid of in every rotation, consequently can be better when follow-up adsorption adsorb the dust in the flue gas, and can get rid of remaining dust through the brush when the anode plate rotates, and the treatment effect is improved, the advantage of dust collection has.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a wet desulfurization and dust removal system for pellet flue gas provided by the present invention;

FIG. 2 is a schematic view of the connection between the carrier plate and the refrigerant tube of the present invention;

FIG. 3 is a schematic view of the internal structure of the dust-removing plate of the present invention;

fig. 4 is a schematic connection diagram of the connection shaft and the anode plate of the present invention.

In the figure:

1. a body; 2. a flow-through hole; 3. an electrically-operated seal valve; 4. a pressurized spray head; 5. thinning holes; 6. a treatment tank; 7. a dust removal plate; 8. a discharge electrode; 9. a motor; 10. a collection box; 11. an anode plate; 12. a connecting shaft; 13. a brush; 14. A dropping groove is formed; 15. a carrier plate; 16. a refrigeration pipe; 17. a desulfurization box; 18. a drive motor; 19. slaked lime blocks; 20. filtering with a screen; 21. a stirring paddle; 22. a stirring fan blade; 23. slaked lime powder; 24. a booster fan.

Detailed Description

To further illustrate the various embodiments, the present invention provides the accompanying drawings, which are part of the disclosure and which are primarily intended to illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and, by reference to these drawings, those of ordinary skill in the art will understand the principles of the invention and its advantages, with reference to the drawings and figures, in which elements are not drawn to scale and like elements are generally designated by like reference numerals.

According to the utility model discloses an embodiment provides a pellet flue gas wet-type desulfurization dust pelletizing system.

Referring to the drawings and the detailed description, the utility model will be further illustrated, as shown in fig. 1-4, a wet desulfurization and dust removal system for pellet flue gas according to the embodiment of the invention comprises a body 1 and flow holes 2, a motor-driven seal valve 3 is fixedly installed at the top end of the interior of the body 1, a plurality of groups of pressurizing nozzles 4 are uniformly installed on the bottom surface of the motor-driven seal valve 3 in a surrounding manner, a treatment box 6 is fixedly installed at the lower part of the pressurizing nozzles 4 and located at the interior of the body 1, a plurality of groups of guide holes 5 are uniformly arranged on the surface of the two ends of the treatment box 6, a plurality of groups of dust-removing plates 7 are uniformly and symmetrically and alternately installed at the surface of the two ends of the treatment box 6, a plurality of groups of discharge electrodes 8 are arranged at the upper part of the dust-removing plate 7 and located at the interior of the surface of the treatment box 6, a connecting shaft 12 is arranged at the top end of the inner side of the dust-removing plate 7, and a motor 9 is connected with the connecting shaft 12, anode plates 11 are symmetrically arranged on the surface positions of two sides of a connecting shaft 12, a plurality of groups of brushes 13 are arranged on the surface position of the bottom end inside a dust removing plate 7 below the connecting shaft 12, a falling groove 14 is arranged on the surface position of one side of the bottom end inside the dust removing plate 7 on one side of the brushes 13, one end of the falling groove 14 penetrates through one side of a machine body 1 and is connected with a collecting box 10 through a pipeline, in the practical use process, after flue gas enters the device, high-voltage corona discharge is firstly carried out through a discharge electrode 8 to charge dust in the flue gas, the charged dust is attached to the upper surface of the anode plate 11 under the action of an electric field force to remove the dust in the flue gas, then the rotation of a motor 9 can drive the connecting shaft 12 to rotate, so that the anode plate 11 absorbing the dust rotates into the dust removing plate 7, and the anode plate 11 loses power supply after entering the dust removing plate 7, make the dust because gravity drops downwards, then flow into through the groove 14 that falls down and carry out the collection of dust to collection box 10 inside, subsequent processing of being convenient for, because the dust can be got rid of when the rotation at every turn, consequently can be better adsorb the dust in the flue gas when subsequent absorption, can get rid of remaining dust through brush 13 when anode plate 11 rotates moreover, improve the treatment effect.

In one embodiment, a plurality of groups of bearing plates 15 are uniformly arranged below the treatment box 6 at the middle position inside the machine body 1, a plurality of groups of refrigerating pipes 16 are uniformly arranged on the surface of one side of each bearing plate 15, the number of the refrigerating pipes 16 is gradually increased, high-temperature flue gas can be cooled through the refrigerating pipes 16, burn to personnel when the flue gas is discharged is avoided, and the cooling effect of the flue gas can be greatly improved due to the increase of the number of the refrigerating pipes 16.

In an embodiment, a desulfurization box 17 is arranged below the bearing plate 15 and at the bottom surface inside the body 1, a filter screen 20 is arranged at the inside of the desulfurization box 17, a stirring paddle 21 is arranged above the filter screen 20 and at the inside of the desulfurization box 17, one end of the stirring paddle 21 penetrates through one side of the body 1 and is connected with a driving motor 18, a plurality of groups of stirring blades 22 are symmetrically arranged at the surface positions on both sides of the stirring paddle 21, slaked lime powder 23 is filled at the periphery of each stirring blade 22, a slaked lime block 19 is arranged below the filter screen 20 and at the inside of the desulfurization box 17, when flue gas is dedusted and cooled, the flue gas continuously moves downwards, at this time, the flue gas firstly contacts with the slaked lime powder 23, sulfur ions in the flue gas are subjected to chemical reaction through slaked lime, the sulfur ions in the flue gas are removed, the purpose of desulfurization is achieved, the contact area between the slaked lime and the flue gas can be increased through the rotation of the stirring paddle 21 during the reaction, the overall desulfurization effect is improved, and after the initial desulfurization, the flue gas passes through the slaked lime block 19 again, the further desulfurization operation is performed, and the overall treatment effect is improved.

In one embodiment, the middle position of the two end surfaces of the machine body 1 is symmetrically provided with the through holes 2, and the flowing use of the gas is facilitated through the arrangement of the through holes 2.

In one embodiment, a booster fan 24 is fixedly installed at the top of one side surface of the machine body 1, one end of the booster fan 24 penetrates through one side of the machine body 1 and is connected with the booster nozzle 4 through a pipeline, in the actual use process, after the flue gas enters the device, the electric sealing valve 3 is closed, and then the booster fan 24 continuously blows gas into the device to increase the pressure inside the device, so that the flue gas inside the device can be more fully extruded due to the change of the pressure, the flue gas is prevented from remaining, and the flue gas treatment efficiency is improved.

In one embodiment, rubber gaskets for enhancing the sealing performance are symmetrically arranged at two ends of the electric sealing valve 3, the sealing gaskets are arranged to enhance the sealing performance inside the device and prevent gas from leaking, and the gas can be controlled to flow in and out through the switch of the electric sealing valve 3.

In one embodiment, the length of the discharge electrode 8 is gradually longer, high-voltage corona discharge is performed through the discharge electrode 8 to charge dust in the flue gas, the charged dust is attached to the upper surface of the anode plate 11 under the action of an electric field force to remove the dust in the flue gas, and the length change of the discharge electrode 8 is to enable the flue gas to be more fully treated.

In one embodiment, the desulfurization box 17 is symmetrically provided with channels for circulating gas at two end surface positions, and is provided with filter cloth for preventing the slaked lime blocks 19 from falling off at the bottom end surface position.

The working principle is as follows: in the actual use process, after the flue gas enters the device, firstly, the electric sealing valve 3 is closed, then, the booster fan 24 continuously blows gas into the device to increase the pressure inside the device, so that the flue gas inside the device can be more fully extruded due to the change of the pressure, the residue of the flue gas is prevented, the treatment efficiency of the flue gas is improved, then, the flue gas moving downwards carries out high-voltage corona discharge through the discharge electrode 8 to charge dust in the flue gas, the charged dust is attached to the upper surface of the anode plate 11 under the action of an electric field force to remove the dust in the flue gas, then, the rotation of the motor 9 drives the connecting shaft 12 to rotate, so that the dust-absorbed flue gas 11 rotates into the dust removal plate 7, the anode plate 11 loses power supply after entering the dust removal plate 7, the dust falls downwards due to gravity, then flows into the collection box 10 through the falling groove 14 to collect the dust, the dust is convenient for subsequent treatment, the dust can be removed during each rotation, therefore, the dust in the subsequent adsorption process can better adsorb the dust in the flue gas, the flue gas can be further, the flue gas can be removed through the lime slaked flue gas cooling effect after the lime slaked flue gas moves, the lime slaked flue gas is improved, the flue gas cooling effect is improved, the flue gas can be removed, the flue gas discharged through the lime slaked flue gas cooling effect after the lime slaked flue gas cooling effect is improved, the lime slaked flue gas is improved, the flue gas discharging effect is carried out, the lime slaked flue gas discharging effect is carried out, get rid of with this the sulphide ion in the flue gas, realize the purpose of desulfurization to rotation through stirring rake 21 can increase the area of contact of hydrated lime and flue gas in the reaction, and then improve holistic desulfurization effect, and after preliminary desulfurization, the flue gas can pass through hydrated lime piece 19 once more, and further desulfurization operation carries out, improves holistic treatment effect, and the device is whole to have that the dust removal desulfurization is effectual, the dust is collected, handle thorough advantage.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wet desulfurization and dust removal system for pellet flue gas, which comprises a machine body (1) and circulation holes (2), it is characterized in that an electric sealing valve (3) is fixedly arranged at the top end of the interior of the machine body (1), a plurality of groups of pressurizing nozzles (4) are uniformly arranged on the bottom surface of the electric sealing valve (3) in a surrounding way, a treatment box (6) is fixedly arranged at the position below the pressurizing nozzle (4) and inside the machine body (1), the surface positions of the two ends of the processing box (6) are uniformly provided with a plurality of groups of dredging holes (5), a plurality of groups of dust removing plates (7) are uniformly and symmetrically arranged on the surface positions of the two sides in the treatment box (6) in a staggered manner, a plurality of groups of discharge electrodes (8) are arranged on the surface of the inner part of the processing box (6) above the dust removing plate (7), a connecting shaft (12) is arranged at the top end of the surface of one side in the dust removing plate (7), one end of the connecting shaft (12) is connected with a motor (9), anode plates (11) are symmetrically arranged on the surfaces of the two sides of the connecting shaft (12), a plurality of groups of hairbrushes (13) are arranged on the surface of the bottom end inside the dust removing plate (7) below the connecting shaft (12), a falling groove (14) is arranged on the surface of one side of the brush (13) at the bottom end inside the dust removing plate (7), one end of the falling groove (14) penetrates through one side of the machine body (1) and is connected with the collecting box (10) through a pipeline.

2. The wet desulfurization and dust removal system for pellet ore flue gas as claimed in claim 1, wherein a plurality of groups of bearing plates (15) are uniformly arranged at the middle position inside the machine body (1) below the treatment box (6), a plurality of groups of cooling pipes (16) are uniformly arranged at the surface position of one side of each bearing plate (15), and the number of the cooling pipes (16) is gradually increased.

3. The wet desulfurization and dust removal system for pellet ore flue gas as claimed in claim 2, wherein a desulfurization tank (17) is arranged below the bearing plate (15) and at the bottom end surface position inside the body (1), a filter screen (20) is arranged inside the desulfurization tank (17), a stirring paddle (21) is arranged above the filter screen (20) and at the inside position inside the desulfurization tank (17), one end of the stirring paddle (21) penetrates through one side of the body (1) and is connected with the driving motor (18), a plurality of groups of stirring blades (22) are symmetrically arranged at the surface positions on both sides of the stirring paddle (21), slaked lime powder (23) is filled in the periphery of the stirring blades (22), and a slaked lime block (19) is arranged below the filter screen (20) and at the inside position inside the desulfurization tank (17).

4. The wet desulfurization and dust removal system for pellet ore flue gas as claimed in claim 1, wherein flow holes (2) are symmetrically arranged in the middle positions of the two end surfaces of the machine body (1).

5. The wet desulfurization and dust removal system for pellet ore flue gas as claimed in claim 1, wherein a booster fan (24) is fixedly installed at the top of one side surface of the body (1), and one end of the booster fan (24) penetrates through one side of the body (1) and is connected with the booster nozzle (4) through a pipeline.

6. The wet desulfurization and dust removal system for pellet ore flue gas as claimed in claim 1, wherein rubber gaskets for enhancing the sealing performance are symmetrically arranged at two ends of the electric sealing valve (3).

7. The wet desulfurization and dust removal system for pellet ore flue gas as recited in claim 1, wherein the length of the discharge electrode (8) is gradually longer than the side length.

8. The wet desulfurization and dust removal system for pellet ore flue gas as claimed in claim 3, wherein the desulfurization box (17) is symmetrically provided with channels for gas circulation at the surface positions of both ends, and the bottom end surface position is provided with filter cloth for preventing the slaked lime block (19) from falling off.