Kiln tail electric-bag composite dust collector

Abstract

The utility model relates to the technical field of dust removal, in particular to a kiln tail electric-bag composite dust remover. According to the technical scheme, the dust collector comprises a floor, an electrostatic dust collection chamber, a tank body and a dust collection pipe, the electrostatic dust collection chamber and the tank body are sequentially arranged on the upper surface of the floor, an air outlet of the electrostatic dust collection chamber is communicated with an air inlet of the tank body, an electrostatic dust collection assembly is arranged in the electrostatic dust collection chamber, and a negative pressure dust collection assembly is arranged in the tank body. The dust collecting pipe is arranged at an opening in the bottom end of the tank body, a scraping plate is rotationally arranged in the dust collecting pipe through a driving assembly, and the scraping plate is in contact with the arc surface of the inner wall of the tank body. According to the bag-type dust collector, electrostatic dust collection is matched with bag-type dust collection, so that the amount of dust collected by the filter bag is reduced, the dust cleaning period and the service life of the filter bag are prolonged, meanwhile, a large amount of dust can be prevented from being deposited in the bag-type dust collector, and the dust falling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust removal technical field especially relates to a kiln tail electric bag composite dust collector. BACKGROUND

[0002] At present, in the flue gas purification of the kiln tail of the cement plant, a single flue gas filtering structure is usually adopted, and the treatment efficiency of the flue gas is low.

[0003] And the existing bag filter has the phenomenon of dust settlement in the use process, and the dust will adhere to the inner wall inclined surface of the dust collector in the process of falling under gravity, affecting the centralized collection of the dust.

[0004] Therefore, the kiln tail electric bag composite dust collector is provided to solve the existing problems. UTILITY MODEL CONTENT

[0005] The utility model aims at the problems in the background art and provides a kiln tail electric bag composite dust collector.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kiln tail electric bag composite dust collector, including floor, electrostatic precipitation chamber, jar and dust collecting pipe, the electrostatic precipitation chamber and jar are sequentially arranged on the upper surface of the floor, the exhaust port of the electrostatic precipitation chamber and the air inlet of the jar are communicated with each other, the electrostatic precipitation chamber is equipped with electrostatic precipitation assembly, the jar is equipped with negative pressure dust removal assembly, the dust collecting pipe is arranged at the bottom opening of the jar, the dust collecting pipe is rotationally equipped with scraper through the drive assembly, and the scraper contacts the inner wall arc surface of the jar.

[0007] Preferably, the outer wall bottom end of the electrostatic precipitation chamber and the jar is equipped with a supporting leg, and the bottom end of the supporting leg is arranged on the upper surface of the floor.

[0008] Preferably, the electrostatic precipitation assembly is composed of dust collecting electrode, discharge electrode and dust outlet, each dust collecting electrode and discharge electrode is equidistantly arranged in the electrostatic precipitation chamber, the dust collecting electrode and the discharge electrode are alternately distributed, and the dust outlet is arranged at the bottom opening of the electrostatic precipitation chamber.

[0009] Preferably, the negative pressure dust removal assembly is composed of suction pipe, partition plate and filter bag, the partition plate is arranged on the inner wall upper end of the jar, the filter bag is equidistantly arranged on the partition plate, the suction pipe is arranged on the jar, and the suction pipe is above the partition plate.

[0010] Preferably, the top end of the jar is equipped with a cover, equidistantly arranged on the cover, the blow head position corresponds to the position of the filter bag, and the suction pipe is below the cover.

[0011] Preferably, the driving assembly is composed of a driving cone and a driven cone, the driven cone is arranged at the bottom end of the scraper, the driving cone is rotatably arranged on the dust collecting pipe, and the driving cone and the driven cone are in gear engagement.

[0012] Preferably, the bottom end of the dust collecting pipe is provided with a discharge port.

[0013] Preferably, the lower surface of the floor is provided with four supporting seats, and the four supporting seats are arranged in a rectangular array on the lower surface of the floor.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] In the use process of the kiln tail electric bag composite dust collector, flue gas generated by the kiln tail enters the electrostatic precipitation chamber, and most of the dust is collected in the electric field under the action of the electrostatic precipitation assembly;

[0016] The suction pipe is connected with an external pumping structure, and the flue gas after electrostatic precipitation enters the tank under the action of negative pressure, passes through the filter bag, enters the suction pipe and is discharged, the remaining fine dust forms a dust layer on the surface of the filter bag, and is further captured through the filtering effect of the filter bag, and the captured dust falls into the dust collecting pipe under the action of gravity, and an operator can periodically open the discharge port of the dust collecting pipe to clean the dust therein;

[0017] Further, the personnel can periodically control the rotation of the driving cone, and the scraper is rotated through the gear engagement of the driving cone and the driven cone, and the scraper moves along the arc surface of the tank, so that the dust adhered thereto is scraped off.

[0018] The utility model cooperates electrostatic precipitation with cloth bag dust removal, reduces the dust amount collected by the filter bag, prolongs the dust cleaning period and service life of the filter bag, avoids large amount of dust from depositing in the cloth bag dust remover, and improves the dust falling efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a front view structure schematic view of the utility model;

[0021] Figure 3 It is a structure schematic view of the electrostatic precipitation chamber of the utility model;

[0022] Figure 4 It is a tank cross-section structure schematic view of the utility model;

[0023] Figure 5 It is a scraper installation structure schematic view of the utility model.

[0024] Reference signs:

[0025] 1, support seat; 2, floor; 3, leg; 4, electrostatic dust removal chamber; 5, cover; 6, tank body; 7, dust collecting pipe; 8, dust outlet; 9, suction pipe; 10, dust collecting electrode; 11, discharge electrode; 12, blowing head; 13, partition plate; 14, filter bag; 15, scraper; 16, discharge port; 17, driving cone wheel; 18, driven cone wheel. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Embodiment one

[0028] As shown in Figures 1-5 The utility model discloses a kiln tail electric bag composite dust collector, including floor 2, electrostatic dust removal chamber 4, tank body 6 and dust collecting pipe 7, electrostatic dust removal chamber 4 and tank body 6 are located in the upper surface of floor 2 in turn, the air outlet of electrostatic dust removal chamber 4 and the air inlet of tank body 6 are communicated with each other, be equipped with electrostatic dust removal subassembly in electrostatic dust removal chamber 4, be equipped with negative pressure dust removal subassembly in tank body 6, dust collecting pipe 7 is located at the bottom end opening of tank body 6, scraper 15 is rotationally equipped in dust collecting pipe 7 through drive assembly, scraper 15 contacts the inner wall arc surface of tank body 6.

[0029] Based on embodiment 1:

[0030] The utility model kiln tail electric bag composite dust collector in the use process, the flue gas generated in kiln tail enters electrostatic dust removal chamber 4, under the action of electrostatic dust removal subassembly, most of the dust is collected in the electric field;

[0031] Suction pipe 9 is connected with external pumping structure, under the negative pressure, the flue gas after electrostatic dust removal enters tank body 6, the flue gas passes through filter bag 14 and enters suction pipe 9 and is discharged, the remaining fine dust forms dust layer on the surface of filter bag 14, is further captured through the filtering effect of filter bag 14, and the captured dust falls into dust collecting pipe 7 under the action of gravity, and the operator can open the discharge port 16 of dust collecting pipe 7 regularly to clean the dust in it;

[0032] Further, personnel can control driving cone wheel 17 to rotate regularly, make scraper 15 rotate through the gear meshing effect of driving cone wheel 17 and driven cone wheel 18, and scraper 15 moves along the arc surface of tank body 6, so that the dust adhered on it is scraped off.

[0033] Embodiment Two

[0034] As Figures 1-5 shown, compared with embodiment one, the kiln tail electric bag composite dust collector further comprises: the bottom end of the outer wall of the electrostatic precipitation chamber 4 and the tank body 6 is provided with a supporting leg 3, the bottom end of the supporting leg 3 is arranged on the upper surface of the floor 2, and the mounting positions of the electrostatic precipitation chamber 4 and the tank body 6 are determined.

[0035] The electrostatic precipitation assembly is composed of dust collecting poles 10, discharge poles 11 and dust outlets 8, each dust collecting pole 10 and discharge pole 11 is equidistantly arranged in the interior of the electrostatic precipitation chamber 4, the dust collecting poles 10 and the discharge poles 11 are alternately distributed, the dust outlet 8 is arranged at the bottom end opening of the electrostatic precipitation chamber 4, the dust collecting poles 10 and the discharge poles 11 are electrified to generate an electric field, under the action of the electric field, the dust particles in the flue gas are charged, and under the action of the electric field force, the dust particles move towards the dust collecting poles 10, most of the dust is collected in the electric field, and after the electric field is disconnected, the dust is removed through the dust outlet 8 under the action of gravity.

[0036] The negative pressure dust removal assembly is composed of a suction pipe 9, a partition plate 13 and filter bags 14, the partition plate 13 is arranged on the inner wall of the tank body 6, the filter bags 14 are equidistantly arranged on the partition plate 13, the suction pipe 9 is arranged on the tank body 6, the suction pipe 9 is above the partition plate 13, the suction pipe 9 is connected with an external pumping structure, the flue gas after electrostatic precipitation enters the tank body 6 under the action of negative pressure, the flue gas passes through the filter bags 14 and enters the suction pipe 9 for discharge, and the remaining fine dust forms a dust layer on the surface of the filter bags 14 and is further captured through the filtering action of the filter bags 14.

[0037] The top end of the tank body 6 is provided with a cover 5, the cover 5 is equidistantly provided with blow heads 12, the positions of the blow heads 12 correspond to the positions of the filter bags 14, the suction pipe 9 is below the cover 5, further, personnel can connect an external air pump structure through the blow heads 12, high-speed air flow blows into the interior of the filter bags 14, so that the dust attached to the outer surface of the filter bags 14 is blown away.

[0038] The driving assembly is composed of a driving cone wheel 17 and a driven cone wheel 18, the driven cone wheel 18 is arranged at the bottom end of the scraper 15, the driving cone wheel 17 is rotatably arranged on the dust collecting pipe 7, the driving cone wheel 17 and the driven cone wheel 18 are in a gear meshing state, a power device controls the rotation of the driving cone wheel 17, and the gear meshing action between the driving cone wheel 17 and the driven cone wheel 18 enables the scraper 15 to rotate.

[0039] The bottom end of the dust collecting pipe 7 is provided with a discharge port 16, and the operator can regularly open the discharge port 16 of the dust collecting pipe 7 to clean the dust in the dust collecting pipe 7.

[0040] The lower surface of the floor 2 is provided with four support seats 1, and the positions of the four support seats 1 are distributed in a rectangular array on the lower surface of the floor 2.

[0041] The driving cone 17 of the utility model still needs to provide a power device to make it work normally, and as known by those skilled in the art, the provision of the power is common, which all belongs to conventional means or common knowledge, and will not be described here again, and those skilled in the art can make any selection according to needs or convenience.

[0042] The above specific embodiments are only several preferred embodiments of the utility model, based on the technical scheme of the utility model and the related enlightenment of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

[0043] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A kiln tail electrostatic precipitator / bag filter composite dust collector, comprising a floor (2), an electrostatic precipitator chamber (4), a tank (6), and a dust collection pipe (7), characterized in that: The electrostatic dust removal chamber (4) and the tank (6) are sequentially arranged on the upper surface of the floor (2). The exhaust port of the electrostatic dust removal chamber (4) is connected to the air inlet of the tank (6). The electrostatic dust removal chamber (4) is equipped with an electrostatic dust removal component, and the tank (6) is equipped with a negative pressure dust removal component. The dust collection pipe (7) is located at the bottom opening of the tank (6). The dust collection pipe (7) is equipped with a scraper (15) that rotates through a drive component. The scraper (15) contacts the inner arc surface of the tank (6).

2. The kiln tail electrostatic precipitator / bag filter composite dust collector according to claim 1, characterized in that: Both the electrostatic dust removal chamber (4) and the tank (6) are provided with support legs (3) at the bottom of their outer walls, and the bottom of the support legs (3) is located on the upper surface of the floor (2).

3. The kiln tail electrostatic precipitator / bag filter composite dust collector according to claim 1, characterized in that: The electrostatic dust removal assembly consists of a dust collecting electrode (10), a discharge electrode (11), and a dust outlet (8). Each of the dust collecting electrodes (10) and discharge electrodes (11) is equidistantly arranged inside the electrostatic dust removal chamber (4), and the dust collecting electrodes (10) and discharge electrodes (11) are alternately distributed. The dust outlet (8) is located at the bottom opening of the electrostatic dust removal chamber (4).

4. The kiln tail electrostatic precipitator / bag filter composite dust collector according to claim 1, characterized in that: The negative pressure dust removal assembly consists of a suction pipe (9), a partition (13), and filter bags (14). The partition (13) is located on the upper inner wall of the tank (6), and the filter bags (14) are equidistantly arranged on the partition (13). The suction pipe (9) is located on the tank (6) and is positioned above the partition (13).

5. The kiln tail electrostatic precipitator / bag filter composite dust collector according to claim 4, characterized in that: The top of the tank (6) is provided with a cap (5), and blowers (12) are provided at equal intervals on the cap (5). The position of the blowers (12) corresponds to the position of the filter bag (14), and the suction pipe (9) is located below the cap (5).

6. The kiln tail electrostatic precipitator / bag filter composite dust collector according to claim 1, characterized in that: The drive assembly consists of a driving cone wheel (17) and a driven cone wheel (18). The driven cone wheel (18) is located at the bottom end of the scraper (15), and the driving cone wheel (17) is rotatably mounted on the dust collection pipe (7). The driving cone wheel (17) and the driven cone wheel (18) are in a gear meshing state.

7. The kiln tail electrostatic precipitator / bag filter composite dust collector according to claim 1, characterized in that: The dust collection pipe (7) has a discharge port (16) on one side of its bottom end.

8. The kiln tail electrostatic precipitator / bag filter composite dust collector according to claim 1, characterized in that: The floor (2) has four support seats (1) on its lower surface, and the four support seats (1) are arranged in a rectangular array on the lower surface of the floor (2).

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