CN219816639U

CN219816639U - Converter dry dedusting ultra-low emission device

Info

Publication number: CN219816639U
Application number: CN202321104294.3U
Authority: CN
Inventors: 张骏星; 贾晓媛; 赵瑞国; 蒋高峰; 丁淼
Original assignee: Wuxi Appleton Technology Co ltd
Current assignee: Wuxi Appleton Technology Co ltd
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2023-10-13
Anticipated expiration: 2033-05-10

Abstract

The utility model discloses an ultralow emission device for dry dedusting of a converter, which belongs to the technical field of dry dedusting of converters and comprises an electric dedusting box and a dedusting tank, wherein one side of the electric dedusting box is communicated with a positive electrode channel, one end of the positive electrode channel, which is far away from the electric dedusting box, is communicated with a cooling air inlet channel, a vibrating mechanism is arranged in the electric dedusting box, a negative electrode plate is arranged on the vibrating mechanism, a dust collecting box is communicated with the bottom of the electric dedusting box between the positive electrode channel and the negative electrode plate, and one side of the electric dedusting box, which is far away from the positive electrode channel, is communicated with a smoke guide tube. According to the utility model, the negative electrode plate can be cleaned and dedusted by arranging the vibration mechanism, the pulse cleaning mechanism and the rotating mechanism are arranged, the dust filtering net barrel can be comprehensively cleaned, and the device is convenient to maintain, compact in structure, small in size, small in occupied space, low in input cost, better in dry dedusting effect of the converter, and achieves the ultra-low emission effect.

Description

Converter dry dedusting ultra-low emission device

Technical Field

The utility model relates to the technical field of converter dry dedusting, in particular to an ultra-low emission device for converter dry dedusting.

Background

With the continuous development of society, the living standard of people has also been remarkably developed along with the continuous improvement of the economic level, and along with the gradual increase of the economic level, the technology level of people has also been remarkably improved, and the converter can be used in other activities such as people processing, which is a kind of steelmaking furnace, generally can be used for rotating steelmaking treatment, and a large amount of flue gas and the like can be generated in the actual steelmaking process, so that certain dust removal treatment needs to be carried out on the converter, so that certain pollution emission is reduced, and the dry dust removal equipment is common equipment for converter flue gas purification treatment.

In a converter dry dedusting ultra-low emission device (patent number: CN 218175008U), the device is arranged at one end of the joint of the bottom end of a vaporization cooling flue and a fume hood main body of the converter dry dedusting ultra-low emission device, and is subjected to certain heat insulation treatment under the arrangement of a heat insulation ring, so that the smoke just discharged by the device possibly has the problems of overhigh temperature and the like, so that certain heat insulation treatment is finished under the arrangement of the heat insulation ring, then certain shaping treatment is carried out under the arrangement of a butt joint ring, the screw joint block of the device tends to be in a more stable state in the butt joint process, and then the influence of high temperature on the fume hood main body in the actual butt joint process is reduced, so that the integral convenience of the device is well improved in the working process, but the device is excessively complex in structure, huge in volume, occupies more floor space, is excessively high in use cost, and is inconvenient to clean the interior of equipment.

Disclosure of Invention

The utility model aims to provide a converter dry dedusting ultra-low emission device so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a converter dry process dust removal ultralow emission device, includes electric dust removal case and dust removal jar, one side intercommunication of electric dust removal case is equipped with the positive electrode passageway, and the one end intercommunication that electric dust removal case was kept away from to the positive electrode passageway is equipped with the cooling and advances the flue, be equipped with vibration mechanism in the electric dust removal case, and be equipped with the negative electrode board on the vibration mechanism, be located between positive electrode passageway and the negative electrode board the bottom intercommunication of electric dust removal case is equipped with the dust collection case, one side intercommunication that electric dust removal case kept away from the positive electrode passageway is equipped with leads the tobacco pipe, the both ends inner wall of dust removal jar is connected with the dust filtration net section of thick bamboo through the bearing ring rotation, the one end that leads the tobacco pipe runs through and extends to in the dust filtration net section of thick bamboo, be equipped with rotary mechanism on the dust filtration net section of thick bamboo, be equipped with pulse cleaning mechanism in the dust removal jar, the bottom fixedly connected with and the dust filtration net section of thick bamboo intercommunication of thick bamboo of dust removal jar set up the dust discharge port, the upside intercommunication of dust removal jar is equipped with the exhaust port.

As still further aspects of the utility model: the vibrating mechanism comprises an upper concave plate and a lower concave plate which are symmetrically fixed on the inner walls of the two ends of the electric dust removal box, the two ends of the negative electrode plate are respectively inserted into the inner sides of the upper concave plate and the lower concave plate, the upper end of the electric dust removal box is fixedly connected with a vibrator, one end of the vibrator penetrates through the upper concave plate and is fixedly connected with the upper end of the negative electrode plate, and a spring part is fixedly connected between the inner bottom wall of the lower concave plate and the negative electrode plate.

As still further aspects of the utility model: wherein, the both sides inner wall of going up concave plate and concave plate down all with the both ends lateral wall sliding connection of negative electrode plate.

As still further aspects of the utility model: the rotary mechanism comprises a servo motor fixed on the upper side of the dust removal tank, a main shaft end of the servo motor extends into the dust removal tank and is fixedly connected with a transmission gear, and the outer side wall of the dust filtering net barrel is fixedly connected with a gear ring which is meshed with the transmission gear.

As still further aspects of the utility model: the outer side wall of the dust filtering net cylinder is fixedly connected with the inner side wall of the gear ring in a welding mode.

As still further aspects of the utility model: the pulse cleaning mechanism comprises a connecting valve pipe fixed on one side of the dust removal tank, one end of the connecting valve pipe extends into the dust removal tank and is communicated with a pulse pipe which is vertically arranged, and one side, close to the dust filtering net barrel, of the pulse pipe is sequentially and fixedly connected with pulse punches which are uniformly arranged from top to bottom.

As still further aspects of the utility model: wherein, the bottom fixedly connected with L shape support of electric dust removal case, and the one end and the dust removal jar fixed connection of L shape support.

Compared with the prior art, the utility model has the beneficial effects that:

1. this ultra-low emission device of converter dry dedusting through setting up positive electrode passageway and negative electrode board, can carry out the electric precipitation to the flue gas, sets up the dust filter net section of thick bamboo and can filter the flue gas once more, and is better to converter dry dedusting effect, reaches ultra-low emission effect, and this device compact structure, the size is little, and occupation of land space is little, and input cost is low.

2. According to the ultra-low emission device for dry dedusting of the converter, the vibration mechanism is arranged, the vibrator is started to work, the negative electrode plate can be driven to vibrate up and down between the upper concave plate and the lower concave plate, at the moment, the elastic force of the spring piece can improve the vibration effect, and the negative electrode plate can be cleaned and dedusted.

3. This ultra-low discharging equipment of converter dry process dust removal through setting up pulse clearance mechanism and rotary mechanism, with the external high-pressure air pump of connecting valve pipe, high-pressure gas is in leading-in pulse pipe through the connecting valve pipe, blow to the dust filter net section of thick bamboo by the pulse head again on, can carry out pulse clearance dust removal to the dust filter net section of thick bamboo, prevent that the smoke and dust from adsorbing on the filtration medial surface of dust filter net section of thick bamboo, simultaneously, start servo motor work, because drive gear and ring gear meshing, and then drive the dust filter net section of thick bamboo and rotate, make the dust filter net section of thick bamboo receive the pulse face more comprehensive, improve the cleaning effect, the clearance is convenient, be convenient for maintain.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram showing a cross-sectional front view of an electric dust collector of the present utility model;

FIG. 3 is a schematic diagram showing a cross-sectional front view of a dust removing tank according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a in the present utility model.

The correspondence between the reference numerals and the component names in the drawings is as follows:

1. an electric dust removing box; 2. a positive electrode channel; 3. cooling the flue; 4. a negative electrode plate; 5. a dust collection box; 6. a smoke guide pipe; 7. a dust removal tank; 8. a dust filtering net drum; 9. an ash discharge valve port; 10. an upper concave plate; 11. a concave plate; 12. a vibrator; 13. a spring member; 14. a servo motor; 15. a transmission gear; 16. a gear ring; 17. connecting a valve tube; 18. a pulse tube; 19. a pulse punch; 20. an L-shaped bracket; 21. and a smoke outlet.

Detailed Description

Referring to fig. 1-4, in the embodiment of the utility model, an ultra-low emission device for dry dedusting of a converter is used for dry dedusting of the converter, and comprises an electric dedusting box 1 and a dedusting tank 7, wherein one side of the electric dedusting box 1 is communicated with a positive electrode channel 2, converter smoke is endowed with positive electrode electricity, one end of the positive electrode channel 2 far away from the electric dedusting box 1 is communicated with a cooling inlet flue 3, the smoke is primarily cooled, a vibrating mechanism is arranged in the electric dedusting box 1, a negative electrode plate 4 is arranged on the vibrating mechanism, dust particles with positive electrodes in smoke dust can be absorbed by the electrifying of the negative electrode plate 4, a dust collecting box 5 is communicated with the bottom of the electric dedusting box 1 between the positive electrode channel 2 and the negative electrode plate 4, filtered dust particles are collected, one side of the electric dedusting box 1 far away from the positive electrode channel 2 is communicated with a smoke guide tube 6, the dust removal tank 7's both ends inner wall is connected with dust filtering net section of thick bamboo 8 through the bearing ring rotation, the one end of leading tobacco pipe 6 runs through and extends to in the dust filtering net section of thick bamboo 8, dust filtering net section of thick bamboo 8 can filter the smoke and dust again, dust granule interception is in dust filtering net section of thick bamboo 8, be equipped with rotary mechanism on the dust filtering net section of thick bamboo 8, be equipped with pulse cleaning mechanism in the dust removal tank 7, the bottom fixedly connected with of dust removal tank 7 and dust discharge valve port 9 that dust filtering net section of thick bamboo 8 intercommunication set up, discharge dust granule, the upside intercommunication of dust removal tank 7 is equipped with exhaust port 21, external draught fan, the converter flue gas after the discharge purifies, this device compact structure, the size is little, occupation space is little, input cost is low, it is better to converter dry dust removal effect, reach ultra-low emission effect, this device consumer external control power supply.

As shown in fig. 2: the vibration mechanism comprises an upper concave plate 10 and a lower concave plate 11 which are symmetrically fixed on the inner walls of the two ends of the electric dust removal box 1, the two ends of the negative electrode plate 4 are respectively inserted into the inner sides of the upper concave plate 10 and the lower concave plate 11, the upper end of the electric dust removal box 1 is fixedly connected with a vibrator 12, one end of the vibrator 12 penetrates through the upper concave plate 10 and is fixedly connected with the upper end of the negative electrode plate 4, a spring piece 13 is fixedly connected between the inner bottom wall of the lower concave plate 11 and the negative electrode plate 4, the vibrator 12 is started to work, the negative electrode plate 4 can be driven to vibrate up and down between the upper concave plate 10 and the lower concave plate 11, at the moment, the vibration effect can be improved due to the elastic action of the spring piece 13, the negative electrode plate 4 can be cleaned and dedusted, and the vibration mechanism is convenient and labor-saving.

As shown in fig. 2: the inner walls of the two sides of the upper concave plate 10 and the lower concave plate 11 are in sliding connection with the side walls of the two ends of the negative electrode plate 4, so that the negative electrode plate 4 can be displaced up and down more stably.

As shown in fig. 4: the rotary mechanism comprises a servo motor 14 fixed on the upper side of the dust removal tank 7, a spindle end of the servo motor 14 extends into the dust removal tank 7 and is fixedly connected with a transmission gear 15, the outer side wall of the dust filtering net barrel 8 is fixedly connected with a gear ring 16 meshed with the transmission gear 15, the servo motor 14 is started to work, and the transmission gear 15 is meshed with the gear ring 16 so as to drive the dust filtering net barrel 8 to rotate, so that the dust filtering net barrel 8 is more comprehensive in pulse surface, and the cleaning effect is improved.

As shown in fig. 4: the outer side wall of the dust filtering net cylinder 8 and the inner side wall of the gear ring 16 are fixedly connected in a welding mode, and the connection is firm.

As shown in fig. 3: the pulse cleaning mechanism comprises a connecting valve pipe 17 fixed on one side of the dust removal tank 7, one end of the connecting valve pipe 17 extends into the dust removal tank 7 and is communicated with a pulse pipe 18 which is arranged vertically, one side, close to the dust filtering net barrel 8, of the pulse pipe 18 is sequentially and fixedly connected with pulse heads 19 which are arranged in an even mode from top to bottom, the connecting valve pipe 17 is externally connected with a high-pressure air pump, high-pressure air is led into the pulse pipe 18 through the connecting valve pipe 17 and then is blown onto the dust filtering net barrel 8 by the pulse heads 19, pulse cleaning and dust removal can be carried out on the dust filtering net barrel 8, dust is prevented from being adsorbed on the inner side face of the dust filtering net barrel 8, and the pulse cleaning mechanism is convenient to clean and maintain.

As shown in fig. 1: the bottom of the electric dust removal box 1 is fixedly connected with an L-shaped bracket 20, and one end of the L-shaped bracket 20 is fixedly connected with the dust removal tank 7, so that the connection is firm.

Working principle: when the device is used for dry dedusting of converter smoke, the cooling inlet flue 3 carries out primary cooling on smoke, the positive electrode channel 2 gives the converter smoke to the positive electrode electricity, the negative electrode plate 4 is electrified to adsorb dust particles with the positive electrode in the smoke, the dust collecting box 5 collects the filtered dust particles, then the primarily dedusted smoke is guided into the dust filtering net barrel 8 through the smoke guiding pipe 6, the dust filtering net barrel 8 can filter the smoke again, the dust particles are intercepted in the dust filtering net barrel 8, the dust discharging valve port 9 can regularly discharge the dust particles, the smoke discharging port 21 is externally connected with an induced draft fan, and the purified converter smoke is discharged.

Secondly, start the vibrator 12 work, can drive negative electrode plate 4 and vibrate from top to bottom between last concave plate 10 and concave plate 11, at this moment the elasticity effect of spring piece 13 can improve vibration effect, can clear up the dust removal to negative electrode plate 4, then, connect the external high-pressure air pump of valve pipe 17, high-pressure gas is led into pulse pipe 18 through valve pipe 17, blow to on the dust filter net section of thick bamboo 8 by pulse head 19 again, can clear up dust filter net section of thick bamboo 8 pulse, prevent that the smoke and dust from adsorbing on the filtration medial surface of dust filter net section of thick bamboo 8, simultaneously, start servo motor 14 work, because drive gear 15 and ring gear 16 meshing, and then drive dust filter net section of thick bamboo 8 rotation, make dust filter net section of thick bamboo 8 receive the pulse face more comprehensively, improve the cleaning effect, the clearance is convenient, be convenient for maintain.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a converter dry process dust removal ultra-low emission device, includes electric precipitation case (1) and dust removal jar (7), its characterized in that, one side intercommunication of electric precipitation case (1) is equipped with positive electrode passageway (2), and the one end intercommunication that electric precipitation case (1) was kept away from to positive electrode passageway (2) is equipped with the cooling and advances flue (3), be equipped with vibration mechanism in electric precipitation case (1), and be equipped with negative electrode plate (4) on the vibration mechanism, be located between positive electrode passageway (2) and negative electrode plate (4) the bottom intercommunication of electric precipitation case (1) is equipped with dust collection case (5), one side intercommunication that electric precipitation case (1) kept away from positive electrode passageway (2) is equipped with smoke tube (6), the both ends inner wall of dust removal jar (7) is connected with dust filter screen (8) through the bearing ring rotation, the one end of smoke tube (6) runs through and extends to in dust filter screen (8), be equipped with pulse cleaning mechanism in dust removal case (7), the bottom fixedly connected with of dust removal case (7) and dust removal case (8) are equipped with dust discharge port (21) on dust removal case (7).

2. The ultra-low emission device for dry dedusting of a converter according to claim 1, wherein the vibration mechanism comprises an upper concave plate (10) and a lower concave plate (11) which are symmetrically fixed on the inner walls of two ends of the electric precipitation tank (1), two ends of the negative electrode plate (4) are respectively inserted into the inner sides of the upper concave plate (10) and the lower concave plate (11), the upper end of the electric precipitation tank (1) is fixedly connected with a vibrator (12), one end of the vibrator (12) penetrates through the upper concave plate (10) and is fixedly connected with the upper end of the negative electrode plate (4), and a spring piece (13) is fixedly connected between the inner bottom wall of the lower concave plate (11) and the negative electrode plate (4).

3. The ultra-low emission device for dry dedusting of a converter according to claim 2, wherein the inner walls of the two sides of the upper concave plate (10) and the lower concave plate (11) are both in sliding connection with the side walls of the two ends of the negative electrode plate (4).

4. The ultra-low emission device for dry dedusting of a converter according to claim 1, wherein the rotating mechanism comprises a servo motor (14) fixed on the upper side of the dedusting tank (7), a main shaft end of the servo motor (14) extends into the dedusting tank (7) and is fixedly connected with a transmission gear (15), and an outer side wall of the dust filtering net drum (8) is fixedly connected with a gear ring (16) meshed with the transmission gear (15).

5. The ultra-low emission device for dry dedusting of a converter according to claim 4, wherein the outer side wall of the dust filtering net cylinder (8) is fixedly connected with the inner side wall of the gear ring (16) in a welding mode.

6. The ultra-low emission device for dry dedusting of a converter according to claim 1, wherein the pulse cleaning mechanism comprises a connecting valve pipe (17) fixed on one side of the dedusting tank (7), one end of the connecting valve pipe (17) extends into the dedusting tank (7) and is communicated with a pulse pipe (18) which is arranged vertically, and pulse heads (19) which are arranged uniformly are fixedly connected in sequence from top to bottom on one side of the pulse pipe (18) close to the dust filtering net drum (8).

7. The ultra-low emission device for dry dedusting of a converter according to claim 1, wherein an L-shaped bracket (20) is fixedly connected to the bottom of the electric dedusting box (1), and one end of the L-shaped bracket (20) is fixedly connected with a dedusting tank (7).