CN211069374U

CN211069374U - Negative pressure dust removal cloth bag for iron alloy plant

Info

Publication number: CN211069374U
Application number: CN201921656227.6U
Authority: CN
Inventors: 刘海俊
Original assignee: Yancheng Haibo Filter Material Technology Co ltd
Current assignee: Yancheng Haibo Filter Material Technology Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-24
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to a dust removal sack technical field specifically is a negative pressure dust removal sack for ferroalloy factory, including the screen frame, the screen frame is bottom open-ended cylindric structure, its outside cup joints and is equipped with outer filter bag, its inboard cup joints and is equipped with interior filter bag, and the bottom of outer filter bag and interior filter bag all through bolt fixed connection on the bottom of screen frame, the outside of screen frame is equipped with the sleeve, the sleeve is cylindric structure, its diameter is greater than the diameter of screen frame, its top outside is fixed and cup joints the collar, its top inboard is equipped with mounting platform, bolted connection goes out bellows on the collar, one side through arrangement of going out bellows has the air outlet, mounting platform is discoid structure, beneficial effect is: this practicality is provided with driving motor and fan above telescopic top, when driving motor drive fan rotated, will produce the negative pressure in the screen frame outside and top, and waste gas filtration rate compares the conventional art with higher speed, and this practical filtration efficiency is higher.

Description

Negative pressure dust removal cloth bag for iron alloy plant

Technical Field

The utility model relates to a dust removal sack technical field specifically is a negative pressure dust removal sack for ferroalloy factory.

Background

In the process of smelting metals in a ferroalloy plant, a large amount of exhaust gas is generated with entrained soot and iron powder, which cannot be directly discharged to the air, and therefore must be filtered by a dust collector. Most of the existing ferroalloy plants adopt bag-type dust collectors, but the traditional bag-type dust collectors have the following defects when filtering and smelting metal waste gas:

1. because the waste gas contains more impurities and a large amount of iron powder, the air density is increased, and the traditional dust removal cloth bag has low filtration efficiency and is difficult to meet the production requirement;

2. present dust removal sack is single-layer construction, hardly guarantees that exhaust purification is thorough, and in addition, inside current dust remover, the air produced backward flow easily and convection phenomenon at the top of dust remover after the purification, and whole circulation of air is not smooth and easy, influences the improvement of purification efficiency.

Therefore, the utility model provides a negative pressure dust removal sack for ferroalloy factory is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a negative pressure dust removal sack for ferroalloy factory to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a negative pressure dust-removing cloth bag for an iron alloy plant comprises a net frame, wherein the net frame is of a cylindrical structure with an opening at the bottom end, the outer side of the net frame is sleeved with an outer filter bag, the inner side of the net frame is sleeved with an inner filter bag, the bottom ends of the outer filter bag and the inner filter bag are fixedly connected to the bottom end of the net frame through bolts, the outer side of the net frame is provided with a sleeve, the sleeve is of a cylindrical structure, the diameter of the net frame is larger than that of the net frame, the outer side of the top of the net frame is fixedly sleeved with a mounting ring, the inner side of the top of the net frame is provided with a mounting platform, the mounting ring is connected with an air outlet box through a bolt, one side of the air outlet box is provided with an air outlet in a penetrating way, the mounting platform is of a disc-shaped structure, its top fixed mounting driving motor, its left and right sides is the level all and is provided with the pole setting, driving motor's output shaft runs through mounting platform and connects and be equipped with the flabellum, the equal welded fastening of one end that mounting platform was kept away from to the pole setting is on telescopic inner wall.

Preferably, the outer side of the bottom of the net frame is sleeved with a sealing ring, the sealing ring is attached to the upper edge of the bottom end of the outer filter bag, the bottom end of the sleeve is attached to the upper surface of the top end of the sealing ring, and the sleeve, the sealing ring and the net frame are fixedly connected together through bolts.

Preferably, the height of the sleeve is greater than that of the screen frame, the diameter of the sleeve is greater than twice of the diameter of the screen frame, and the driving motor and the fan blades are located right above the top end of the screen frame.

Preferably, the guide plate is arranged at the top end of the inside of the air outlet box, the guide plate is arranged in an inclined mode and is located on the left side and the right side of the air outlet box respectively with the air outlet, the top end of the guide plate is welded and fixed with the top end of the inner side of the air outlet box, and the bottom end of the guide plate is welded and fixed with the inner side wall of the air outlet box.

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

1. the driving motor and the fan blades are arranged above the top end of the sleeve, when the driving motor drives the fan blades to rotate, negative pressure is generated outside the screen frame and at the top end of the screen frame, the waste gas filtering speed is accelerated, and compared with the traditional technology, the air filtering efficiency of the air filter is higher;

2. this practicality is laminated respectively in the inside and outside both sides of screen frame and is provided with interior filter bag and outer filter bag, is provided with out bellows on telescopic top, and the inside one side welding of air-out incasement portion is equipped with the guide plate, and wherein the guide plate can avoid the air directly to strike air-out case top and produce the backward flow phenomenon as far as possible, compares traditional technology, and this practicality well waste gas filters more thoroughly, and the circulation of air is more smooth and easy.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 3 is a schematic view of the structure and appearance of the present invention.

In the figure: the air filter comprises a screen frame 1, an outer filter bag 2, an inner filter bag 3, a sleeve 4, a mounting ring 5, a mounting platform 6, an air outlet box 7, an air outlet 8, a driving motor 9, a vertical rod 10, fan blades 11, a guide plate 12 and a sealing ring 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a negative pressure dust removal sack for ferroalloy factory, includes screen frame 1, and screen frame 1 is the cylindric structure of bottom open-ended, and its outside cup joints and is equipped with outer filter bag 2, and its inboard cup joints and is equipped with interior filter bag 3, and the bottom of outer filter bag 2 and interior filter bag 3 all passes through bolt fixed connection on the bottom of screen frame 1, and the position of outer filter bag 2 and interior filter bag 3 is as shown in figure 1, and the two covers respectively in the outside and the inboard of screen frame 1 to laminate with screen frame 1.

The outside of screen frame 1 is equipped with sleeve 4, sleeve 4 is cylindric structure, its diameter is greater than the diameter of screen frame 1, its top outside fixed cup joints collar 5, its top inboard is equipped with mounting platform 6, bolted connection air-out case 7 on collar 5, one side of going out case 7 is run through and is provided with air outlet 8, mounting platform 6 is discoid structure, its top fixed mounting driving motor 9, the equal level in its left and right sides is provided with pole setting 10, driving motor 9's output shaft runs through mounting platform 6 and is connected and be equipped with flabellum 11, the equal welded fastening of one end that mounting platform 6 was kept away from to pole setting 10 is on sleeve 4's inner wall, driving motor 9 and flabellum 11's position is as shown in figure 1, when driving motor 9 drives flabellum 11 rotatory, will produce the negative pressure in the outside of screen frame 1 and top, accelerate.

The bottom outside of screen frame 1 cup joints and is equipped with sealing washer 13, and the laminating of sealing washer 13 is followed on the bottom of outer filter bag 2, and the laminating of the bottom of sleeve 4 is at the top upper surface of sealing washer 13, and sleeve 4, sealing washer 13 and screen frame 1 three pass through bolt fixed connection jointly, and the concrete position of sealing washer 13 is as shown in fig. 2, and its centre gripping is between screen frame 1 and sleeve 4, plays sealed effect, prevents that the dust from getting into inside sleeve 4 from the gap of screen frame 1 and sleeve 4.

The height of sleeve 4 is greater than the height of screen frame 1, and the diameter of sleeve 4 is greater than the twice of screen frame 1 diameter, and driving motor 9 and flabellum 11 all are located directly over the top of screen frame 1.

The top end of the inside of the air outlet box 7 is provided with a guide plate 12, the guide plate 12 is obliquely arranged and is respectively positioned at the left side and the right side of the air outlet box 7 together with the air outlet 8, the top end of the guide plate 12 is welded and fixed with the top end of the inner side of the air outlet box 7, the bottom end of the guide plate 12 is welded and fixed with the inner side wall of the air outlet box 7, and the position and the shape of the guide plate 12 are shown in figure 1 and have the function of changing the air flowing direction so as to enable the air.

The working principle is as follows: the utility model discloses in, the opening of screen frame 1 is down, inside the dust remover, up-flow scurries down to waste gas to in entering screen frame 1, in getting into sleeve 4 after passing interior filter bag 3 and outer filter bag 2, flow out in the air outlet 8 at last. Wherein the inboard fixed mounting driving motor 9 in top of sleeve 4, driving motor 9's output shaft end connection flabellum 11, when driving motor 9 drives flabellum 11 and rotates, will produce the negative pressure in the outside of screen frame 1 and its top, accelerate waste gas filtration rate. The outer filter bag 2 and the inner filter bag 3 are respectively sleeved on the outer side and the inner side of the net frame 1 and are attached to the net frame 1, wherein the mesh diameter of the outer filter bag 2 is smaller than that of the inner filter bag 3, the inner filter bag 3 is used for coarse filtration, and the outer filter bag 2 is used for fine filtration. A guide plate 12 is arranged on one side of the top end inside the air outlet box 7, the guide plate 12 is used for changing the air flowing direction, and the phenomenon that air directly collides with the top end of the air outlet box 7 to generate backflow is avoided as much as possible, so that the air can smoothly flow out.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a negative pressure dust removal sack for ferroalloy factory, includes screen frame (1), its characterized in that: the net frame (1) is of a cylindrical structure with an opening at the bottom end, an outer filter bag (2) is sleeved at the outer side of the net frame, an inner filter bag (3) is sleeved at the inner side of the net frame, the bottom ends of the outer filter bag (2) and the inner filter bag (3) are fixedly connected to the bottom end of the net frame (1) through bolts, a sleeve (4) is arranged at the outer side of the net frame (1), the sleeve (4) is of a cylindrical structure, the diameter of the sleeve is larger than that of the net frame (1), a mounting ring (5) is fixedly sleeved at the outer side of the top of the sleeve, a mounting platform (6) is arranged at the inner side of the top of the sleeve, an air outlet box (7) is connected to the mounting ring (5) through bolts, an air outlet (8) is arranged on one side of the air outlet box (7) in a penetrating manner, the mounting platform (6) is of a disc-shaped structure, a driving motor (9) is fixedly mounted at the top end of the, and one end of the vertical rod (10) far away from the mounting platform (6) is welded and fixed on the inner wall of the sleeve (4).

2. The negative pressure dust removal cloth bag for the ferroalloy plant according to claim 1, wherein: the bottom outer side of the net frame (1) is sleeved with a sealing ring (13), the sealing ring (13) is attached to the upper edge of the bottom end of the outer filter bag (2), the bottom end of the sleeve (4) is attached to the upper surface of the top end of the sealing ring (13), and the sleeve (4), the sealing ring (13) and the net frame (1) are fixedly connected together through bolts.

3. The negative pressure dust removal cloth bag for the ferroalloy plant according to claim 1, wherein: the height of sleeve (4) is greater than the height of screen frame (1), and the diameter of sleeve (4) is greater than the twice of screen frame (1) diameter, driving motor (9) and flabellum (11) all are located directly over the top of screen frame (1).

4. The negative pressure dust removal cloth bag for the ferroalloy plant according to claim 1, wherein: go out the inside top of bellows (7) and be equipped with guide plate (12), guide plate (12) slope sets up, and it is located the left and right sides of going out bellows (7) respectively with air outlet (8), the top of guide plate (12) and the inboard top welded fastening of going out bellows (7), the bottom of guide plate (12) and the inside wall welded fastening of going out bellows (7).