CN218573086U

CN218573086U - Bag-type dust collector capable of reducing abrasion of filter bag

Info

Publication number: CN218573086U
Application number: CN202222900889.1U
Authority: CN
Inventors: 蒋越丰; 束志峰; 叶金地
Original assignee: Langfang Jinye Environmental Protection Technology Co Ltd
Current assignee: Langfang Jinye Environmental Protection Technology Co Ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-03-07
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses a bag-type dust collector capable of reducing the abrasion of filter bags, which comprises a bag-type dust collector main body and a collecting bin which are connected with each other, wherein the bag-type dust collector main body is internally divided into an upper cavity and a lower cavity, a plurality of filter bags used for filtering smoke are arranged in the lower cavity, the upper cavity is communicated with the lower cavity through the filter bags, the left side of the lower cavity is provided with an air inlet which is connected with a gas guide pipe, the lower port of the gas guide pipe faces downwards and is lower than the bottom of the filter bags, and the right side of the upper cavity is provided with an exhaust port; the material collecting bin is provided with a discharge hole which is connected with a discharging pipe. The novel filter bag is simple in structure, abrasion of the filter bag can be reduced, the service life of equipment is prolonged, and economic cost is saved.

Description

Sack cleaner of reducible filter bag wearing and tearing

Technical Field

The utility model relates to a flue gas dust removal technical field specifically is a sack cleaner of reducible filter bag wearing and tearing.

Background

The oxygen-enriched side-blown furnace is an energy-saving and efficient smelting furnace, is widely applied to smelting of metals such as copper, nickel and the like, but the oxygen-enriched condition in the furnace is easy to generate a large amount of oxides to be discharged along with flue gas. Therefore, in order to meet the requirement of environmental protection, the flue gas generated by the oxygen-enriched side-blown furnace needs to be discharged through certain filtration treatment, and the common flue gas treatment mode is a bag-type dust remover. The bag-type dust collector filters dust-containing gas by using the filtering action of a fiber fabric (filter bag), and after the dust-containing gas enters the bag-type dust collector, dust with large particles and large specific gravity is settled down under the action of gravity and falls into an ash bucket, and when the gas containing fine dust passes through a filter material, the dust is retained, so that the gas is purified, and the bag-type dust collector is widely applied to industries such as steel, nonferrous metallurgy, building materials, chemical engineering and the like in China.

Most of existing equipment adopt the business turn over gas mode of giving vent to anger on admitting air down, and the air inlet is opened in sack cleaner main part one side, chinese patent for instance publication No. CN214634811U discloses a bag collector of convenient change sack, and the left side intercommunication of its bag collector body has the intake pipe, and the top intercommunication on right side has the outlet duct, and inside back, the meeting of flue gas entering sack cleaner can directly flow to the filter bag. The utility model discloses the flue gas that oxygen boosting side blown converter produced to wherein contains more metal and oxide impurity, and hardness is higher, and the filter bag adopts the PTFE material mostly, so when containing great harder impurity in the flue gas, if the flue gas directly strikes on the filter bag, very easily erode and wear out the filter bag, lead to equipment life to shorten.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that prior art's defect is overcome, a sack cleaner of reducible filter bag wearing and tearing is provided, its simple structure can reduce the filter bag wearing and tearing, improve equipment's life practices thrift economic cost.

In order to solve the technical problem, the technical scheme of the utility model is that: a bag-type dust collector capable of reducing wear of filter bags comprises a bag-type dust collector main body and a collecting bin which are connected with each other, wherein the bag-type dust collector main body is internally divided into an upper cavity and a lower cavity, a plurality of filter bags used for filtering smoke are mounted in the lower cavity, the upper cavity is communicated with the lower cavity through the filter bags, an air inlet is formed in the left side of the lower cavity, a gas guide pipe is connected to the air inlet, a lower port of the gas guide pipe faces downwards and is lower than the bottoms of the filter bags, and an exhaust port is formed in the right side of the upper cavity; the aggregate bin is provided with a discharge hole, and the discharge hole is connected with a discharge pipe.

Further, in order to separate the upper cavity from the lower cavity and facilitate installation of the filter bag, an installation plate is arranged inside the bag-type dust collector main body, the upper cavity and the lower cavity are formed by separating the inner cavity of the bag-type dust collector main body through the installation plate, and the filter bag is installed on the installation plate.

Further, a concrete structure of gaseous honeycomb duct is provided, gaseous honeycomb duct is including horizontal pipe and vertical pipe, the one end of horizontal pipe with the air inlet is linked together, vertical tub of edge sack cleaner main part axial sets up just the top of vertical pipe with the other end of horizontal pipe is linked together.

Further, in order to enable the smoke entering the bag-type dust collector to enter the filter bag from the bottom of the filter bag to complete filtration, the bottom of the longitudinal pipe is lower than the bottom of the filter bag.

Furthermore, a discharge valve is arranged at the top of the discharge pipe.

Further, a concrete structure of baiting valve is provided, the baiting valve includes pivot, valve plate and crank, wherein the pivot is rotationally connected in the baiting pipe top, the valve plate is located in the inner chamber of baiting pipe and valve plate fixed connection is in the pivot, the crank is installed pivot tip is suitable for the drive the pivot is rotatory so that the valve plate is closed or is opened the discharge gate.

Furthermore, in order to conveniently discharge the storage of waste materials, a material collecting box is arranged below the discharging pipe.

Furthermore, for the convenient inside waste material of observation collection feed bin stores up the condition so that can in time clear up the waste material that stores up, be equipped with the observation window on the collection feed bin.

Further, in order to seal the bag-type dust collector main body and facilitate opening and replacing the filter bag, an end cover is arranged at the top of the bag-type dust collector main body and is connected with the upper box body in a sealing mode.

Further, in order to support the bag-type dust collector well, the bag-type dust collector capable of reducing the abrasion of the filter bag further comprises a plurality of support columns which are arranged on the material collecting bin and are suitable for supporting the bag-type dust collector.

By adopting the technical scheme, the utility model discloses following beneficial effect has:

the gas inlet is connected with the gas guide pipe, the bottom of the gas guide pipe is lower than the bottom of the filter bag, the gas guide pipe can play a role in buffering and guiding, smoke containing metal impurities and generated by the front-end equipment oxygen-enriched side-blown converter enters the bag-type dust remover and then is subjected to speed reduction through the gas guide pipe, the smoke can enter the filter bag from the bottom of the filter bag to complete filtration, and after the smoke enters the bag-type dust remover, the larger and harder impurities in the smoke directly impact the filter bag to cause abrasion of the filter bag, so that the service life of the equipment is prolonged, and the economic cost is saved.

Drawings

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

fig. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is an enlarged view of a portion B of fig. 2.

Detailed Description

In order that the present invention may be more clearly understood, the following detailed description is given with reference to the accompanying drawings.

As shown in fig. 1-4, in this embodiment, a bag-type dust collector capable of reducing wear of filter bags includes a bag-type dust collector main body 1, a collecting bin 2, an emptying pipe 5, a collecting box 7 and a plurality of supporting pillars 9, wherein the collecting bin 2 is connected to the lower end of the bag-type dust collector main body 1, a discharging port 21 is formed in the bottom of the collecting bin 2, the discharging port 21 is connected to the emptying pipe 5, the collecting box is placed below the emptying pipe 5, and the supporting pillars 9 are installed on the collecting bin 2.

As shown in fig. 1-2, in the present embodiment, an installation plate 14 is disposed inside the bag-type dust collector main body 1, the installation plate 14 divides the inside of the bag-type dust collector main body 1 into an upper cavity 111 and a lower cavity 112, a plurality of filter bags 12 are installed on the installation plate 14, and the filter bags 12 communicate the upper cavity 111 and the lower cavity 112. Specifically, a through hole (not shown) is formed in the mounting plate 14, the filter bag 12 is in a cylindrical structure, and the upper end of the filter bag 12 is fixedly connected to the mounting plate 14 corresponding to the through hole, so that the upper cavity 111 and the lower cavity 112 are communicated with each other through the filter bag 12. In addition, the left side of the lower cavity 112 is provided with an air inlet 11, the right side of the upper cavity 112 is provided with an air outlet 13, the smoke enters the lower cavity 112 through the air inlet 11 and then enters the filter bag 12 for filtering, the filtered smoke flows into the upper cavity 111 through the filter bag 12 and finally is exhausted through the air outlet 13.

Specifically, as shown in fig. 2, gas inlet 11 connects gas honeycomb duct 10, gas honeycomb duct 10 is L shape structure, gas honeycomb duct 10 includes interconnect's horizontal pipe 3 and vertical pipe 4, wherein, horizontal pipe 3 radially sets up along sack cleaner main part 1, vertical pipe 4 sets up along the axial of sack cleaner main part 1, the one end and the gas inlet 11 intercommunication of horizontal pipe 3, the other end and the top of vertical pipe 4 of horizontal pipe 3 are connected, vertical pipe 4 sets up along sack cleaner main part axial.

In order to ensure that the flue gas flowing into the interior of the bag-type dust collector main body 1 can enter from below the filter bag 12, the other end of the longitudinal tube 4, i.e., the lower port of the longitudinal tube 4, faces downward and is lower than the bottom of the filter bag 12. Specifically, the bottom of the longitudinal pipe 4 is lower than the bottom of the filter bag 12, on one hand, smoke cannot directly impact the filter bag 12 when flowing out from the bottom of the longitudinal pipe 4, so that the filter bag 12 is prevented from being damaged by the impact of the smoke, on the other hand, the smoke flowing out from the bottom of the longitudinal pipe 4 firstly flows downwards and then upwards passes through the filter bag 12, and in the process of passing through the filter bag 12, the flow velocity of the smoke is relatively reduced, so that the impact of high-pressure smoke on the filter bag 12 can be further reduced, and the service life is prolonged. In other embodiments not shown, the gas guiding tube 10 may also be an arc-shaped structure, only one end of the gas guiding tube 10 is required to be communicated with the gas inlet 11, the lower port of the gas guiding tube 10 faces downward and is lower than the bottom of the filter bag 12, and the specific shape of the gas guiding tube 10 is not limited.

As shown in fig. 1-2, an end cover 8 is disposed at the top of the bag-type dust collector main body 1, the end cover 8 is connected to the bag-type dust collector main body 1 in a sealing manner, and the bag-type dust collector can be specifically connected in a sealing manner by a sealing ring or other sealing manners known to those skilled in the art.

As shown in fig. 1, in the present embodiment, the collecting bin 2 is provided with an observation window 22 suitable for observing the accumulation of the waste material inside the collecting bin 2, and the observation window 22 is made of glass or other transparent materials and is embedded in the collecting bin 2.

As shown in fig. 1-4, in this embodiment, the discharge port 21 of the collecting bin 2 and the discharging pipe 5 are both provided with a flange 200, the two flanges 200 are connected by a plurality of fastening screws 100, and a discharging valve 6 is installed on the top of the discharging pipe 5.

Specifically, as shown in fig. 3 to 4, the discharge valve 6 may include a rotating shaft 61, a valve plate 62 and a crank 63, the rotating shaft 61 may be rotatably connected to a flange 200 at the top end of the discharge pipe 5, the valve plate 62 is fixedly connected to the rotating shaft 61, the crank 63 is mounted at an end of the rotating shaft 61, in order to close the discharge port 21, the valve plate 62 is disposed in an inner cavity of the discharge pipe 5, the valve plate 62 is a plate-shaped structure adapted to the shape of the discharge pipe 5, for example, when the inner cavity of the discharge pipe 5 is a cylindrical structure, the valve plate 62 is a circular plate-shaped structure; when the inner cavity of the discharging pipe 5 is a rectangular structure, the valve plate 62 is a rectangular plate structure to open/close the discharging port 21. When the discharge device is used, the crank 63 is turned, and the crank 63 drives the rotating shaft 61 to rotate, so that the valve plate 62 fixedly connected to the rotating shaft 61 also rotates along with the rotating shaft, and the discharge port 21 is closed or opened. In other embodiments, not shown, the discharge valve 6 is a screw feeder.

As shown in fig. 1-2, the supporting columns 9 are symmetrically disposed on the collecting bin 2, and the number thereof includes, but is not limited to, 4.

When the device works, smoke enters the air inlet 11, flows to the transverse pipe 3 communicated with the air inlet, flows into the longitudinal pipe 4 through the transverse pipe 3, is uniformly dispersed at the bottom of the upper box body 1 after flowing out of the longitudinal pipe 4, and then enters the filter bag 2 through the bottom of the filter bag 2 to complete filtration; the filtered smoke is discharged from the exhaust port 13, and impurities left after filtering fall into the material collecting bin 2; toggle 63, crank 63 drives pivot 61 and rotates, and pivot 61 drives valve plate 62 and rotates, makes discharge gate 21 open, and the waste material in the aggregate bin 2 falls into blowing pipe 5 through discharge gate 21, falls into in the case 7 that gathers materials at last.

The utility model discloses a set up gaseous honeycomb duct 10 and play the effect of buffering and direction, make the flue gas that gets into the sack cleaner get into the filter bag and accomplish the filtration by the bottom entering filter bag 2 after the 10 slowdowns of gaseous honeycomb duct, the direct flow to filter bag 2 of the flue gas that contains metal and oxide impurity of having avoided the production of front end equipment oxygen boosting side-blown converter, great harder impurity direct striking causes the wearing and tearing of filter bag 2 on filter bag 2 in the flue gas, the service life of equipment is improved, economic cost is practiced thrift.

The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a sack cleaner of reducible filter bag wearing and tearing, includes interconnect's sack cleaner main part (1) and collecting bin (2), its characterized in that:

the bag-type dust collector main body (1) is internally divided into an upper cavity (111) and a lower cavity (112), a plurality of filter bags (12) used for filtering smoke are installed in the lower cavity (112), the upper cavity (111) is communicated with the lower cavity (112) through the filter bags (12), an air inlet (11) is formed in the left side of the lower cavity (112), a gas guide pipe (10) is connected onto the air inlet (11), the lower port of the gas guide pipe (10) faces downwards and is lower than the bottom of each filter bag (12), and an air outlet (13) is formed in the right side of the upper cavity (111); the aggregate bin (2) is provided with a discharge port (21), and the discharge port (21) is connected with a discharge pipe (5).

2. The bag-type dust collector capable of reducing the wear of the filter bag according to claim 1, wherein:

the bag-type dust collector is characterized in that a mounting plate (14) is arranged inside the bag-type dust collector main body (1), the upper cavity (111) and the lower cavity (112) are formed by the mounting plate (14) in a separated mode, and the filter bag (12) is mounted on the mounting plate (14).

3. The bag-type dust collector capable of reducing the wear of the filter bag according to claim 1, wherein:

the gas honeycomb duct (10) comprises a transverse duct (3) and a longitudinal duct (4), one end of the transverse duct (3) is communicated with the gas inlet (11), and the longitudinal duct (4) is axially arranged on the bag-type dust collector main body (1) and the top end of the longitudinal duct (4) is communicated with the other end of the transverse duct (3).

4. The bag-type dust collector capable of reducing the wear of the filter bag according to claim 3, wherein:

the bottom of the longitudinal tube (4) is lower than the bottom of the filter bag (12).

5. The bag-type dust collector capable of reducing the wear of the filter bag according to claim 1, wherein:

and a discharge valve (6) is arranged at the top of the discharge pipe (5).

6. The bag-type dust collector capable of reducing the wear of the filter bag according to claim 5, wherein:

baiting valve (6) are including pivot (61), valve plate (62) and crank (63), wherein pivot (61) rotationally connect in baiting pipe (5) top, valve plate (62) are located in the inner chamber of baiting pipe (5) and valve plate (62) fixed connection be in on pivot (61), crank (63) are installed pivot (61) tip is suitable for to drive pivot (61) are rotatory so that valve plate (62) are closed or are opened discharge gate (21).

7. The bag-type dust collector capable of reducing the wear of the filter bag according to claim 5, wherein:

a material collecting box (7) is arranged below the discharging pipe (5).

8. The bag-type dust collector capable of reducing the wear of the filter bag according to claim 1, wherein:

the collecting bin (2) is provided with an observation window (22) suitable for observing the waste accumulation condition in the collecting bin (2).

9. The bag-type dust collector capable of reducing the wear of the filter bag according to claim 1, wherein:

the top of the bag-type dust collector main body (1) is provided with an end cover (8), and the end cover (8) is connected with the bag-type dust collector main body (1) in a sealing manner.

10. The bag-type dust collector capable of reducing the wear of the filter bag according to claim 1, wherein:

the bag-type dust collector capable of reducing the abrasion of the filter bag further comprises a plurality of supporting columns (9) which are arranged on the material collecting bin (2) and are suitable for supporting the bag-type dust collector.