CN210332132U

CN210332132U - Dust removing device of plasma melting furnace

Info

Publication number: CN210332132U
Application number: CN201920997848.4U
Authority: CN
Inventors: 刘国珍
Original assignee: Wenchuan Shenzhou Zirconium Industry Technology Co ltd
Current assignee: Wenchuan Shenzhou Zirconium Industry Technology Co ltd
Priority date: 2019-06-29
Filing date: 2019-06-29
Publication date: 2020-04-17
Anticipated expiration: 2029-06-29

Abstract

The utility model discloses a dust removal device of a plasma melting furnace, which comprises a gas collection cover body, a cyclone dust collector, a cooling tower and a filter device, wherein the gas collection cover body is connected with the gas outlet end of the plasma melting furnace; the cyclone dust collector is connected with the cooling tower through a pipeline; the output end of the cooling tower is connected with the filtering device; the filtering device comprises a dust collecting hopper and a dust removing chamber which are connected into a whole; the dust removing chamber is positioned at the upper part of the dust collecting hopper, and a coarse filter screen is arranged in the dust removing chamber; the upper part of the coarse filter screen is provided with a dust filtering device; the upper part of the dust filtering device is provided with a blowing device; and a bag-type dust collector and an exhaust pipe are arranged at the upper part of the blowing device. The utility model discloses a filter effect is good, reduces the emission of dust, increases recycle rate.

Description

Dust removing device of plasma melting furnace

Technical Field

The utility model belongs to the technical field of dust collecting equipment and specifically relates to a dust collector of plasma melting furnace is related to.

Background

The fly ash is treated by plasma fusion, which is a relatively mature process, but the problem that the secondary fly ash is large in amount and difficult to treat is also existed. The fly ash discharged by the plasma melting furnace still belongs to dangerous waste, the discharged flue gas contains more dust particle substances and is effectively treated along with high-temperature waste gas, if the flue gas is directly discharged, too much harmful dust enters the atmosphere, and the environment is seriously polluted, so that a dust removal device is required to be provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a dust collector of plasma melting furnace that the filter effect is good, reduces dust emission to prior art's defect.

In order to solve the technical problem, the utility model discloses a technical scheme does: a dust removal device of a plasma melting furnace comprises a gas collection cover body, a cyclone dust collector, a cooling tower and a filter device, wherein the gas collection cover body is connected with the gas outlet end of the plasma melting furnace; the cyclone dust collector is connected with the cooling tower through a pipeline; the output end of the cooling tower is connected with the filtering device; the filtering device comprises a dust collecting hopper and a dust removing chamber which are connected into a whole; the dust removing chamber is positioned at the upper part of the dust collecting hopper, and a coarse filter screen is arranged in the dust removing chamber; the upper part of the coarse filter screen is provided with a dust filtering device; the upper part of the dust filtering device is provided with a blowing device; and a bag-type dust collector and an exhaust pipe are arranged at the upper part of the blowing device.

Preferably, the dust filtering device comprises an upper support plate, a lower support plate and a filter cartridge arranged between the upper support plate and the lower support plate; a plurality of filter holes are symmetrically formed in the upper supporting plate and the lower supporting plate; two ends of the filter cylinder are fixed in the filter holes between the upper support plate and the lower support plate; the filter cylinder is a hollow cylinder formed by folding and rolling polyester fibers.

Preferably, the blowing device comprises a blower, an air supply pipeline and air outlet pipes, wherein the blower is connected with the air supply pipeline, a plurality of air outlet pipes are arranged on the air supply pipeline, and the air outlet pipes face to the outlet of each filter cylinder.

Preferably, the lower end of the dust hopper is connected with the recovery box body through a collection pipeline.

Preferably, the dust chamber is also provided with a movable door.

The utility model has the advantages that: the utility model collects the flue gas discharged from the plasma melting furnace by using the gas collecting cover body, then conveys the flue gas into the cyclone dust collector by using a pipeline for preliminary dust removal treatment, and then cools the high-temperature gas after cooling by the cooling tower, thereby being beneficial to the subsequent treatment; finally, through the advanced treatment of the filtering device, the dust in the flue gas is filtered and intercepted, and the pollution caused by the dust discharged into the atmosphere is avoided; after multistage treatment, the utility model discloses a filter effect is good, reduces the emission of dust, increases recycle.

Drawings

FIG. 1 is a schematic structural view of the dust removing device of the plasma melting furnace of the present invention.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, the dust removing device of a plasma melting furnace of the present invention comprises a gas collecting hood body 1 connected with the gas outlet end of the plasma melting furnace, a cyclone dust collector 2, a cooling tower 3 and a filtering device 4, specifically, the gas collecting hood body 1 is connected with the cyclone dust collector 2 through a gas transmission pipeline 5; the cyclone dust collector 2 is connected with the cooling tower 3 through a pipeline; the output end of the cooling tower 3 is connected with a filtering device 4; the filter device 4 comprises a dust collecting hopper 41 and a dust removing chamber 42 which are connected into a whole; the dust chamber 42 is positioned at the upper part of the dust hopper 41, and a coarse filter 43 is arranged in the dust chamber 42; a dust filtering device 44 is arranged at the upper part of the coarse filter 43; the upper part of the dust filtering device 44 is provided with a blowing device 45; the upper part of the blowing device 45 is provided with a bag-type dust collector 46 and an exhaust pipe 47. The utility model collects the flue gas exhausted by the plasma melting furnace by using the gas collecting cover body 1, then conveys the flue gas into the cyclone dust collector 2 by using the gas transmission pipeline 5 for preliminary dust removal treatment, and then cools the high-temperature gas after cooling by the cooling tower 3, thereby being beneficial to the subsequent treatment; finally, through the advanced treatment of the filtering device 4, the dust in the flue gas is filtered and intercepted, and the pollution caused by the dust discharged into the atmosphere is avoided; for further filtering of the flue gas, the filtering device 44 includes an upper support plate 441, a lower support plate 442, and a filter cartridge 443 disposed between the upper support plate 441 and the lower support plate 442; a plurality of filter holes are symmetrically formed in the upper supporting plate 441 and the lower supporting plate 442; the two ends of the filter cartridge 443 are fixed in the filter holes between the upper support plate 441 and the lower support plate 442; the filter cartridge 443 is a hollow cylindrical shape formed by folding and rolling polyester fibers. The granule in the flue gas is settled down in straining a section of thick bamboo 443, needs to clear away it when deposiing to a certain amount, and jetting device 45 can be fine detach it, the utility model discloses a jetting device 45 includes air-blower 451, supply-air duct 452 and outlet duct 453, wherein air-blower 451 connects supply-air duct 452, is equipped with a plurality of outlet ducts 453 on the supply-air duct 452, and outlet duct 453 is facing to the export of every section of thick bamboo 443, when needs clear away the dust, only needs to open air-blower 451, utilizes gaseous dust of straining a section of thick bamboo 443 surface to blow down, and final dust falls into in the dust hopper 41, in order to facilitate collecting it and pass through collection pipe connection recovery box 6 at the dust hopper. In order to facilitate the opening of the dust chamber 42 for replacement of parts or cleaning of the interior, a movable door is further provided in the dust chamber 42.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A dust collector of a plasma melting furnace comprises a gas-collecting cover body (1) connected with the gas outlet end of the plasma melting furnace, a cyclone dust collector (2), a cooling tower (3) and a filtering device (4), and is characterized in that the gas-collecting cover body (1) is connected with the cyclone dust collector (2) through a gas transmission pipeline (5); the cyclone dust collector (2) is connected with the cooling tower (3) through a pipeline; the output end of the cooling tower (3) is connected with the filtering device (4); the filtering device (4) comprises a dust collecting hopper (41) and a dust removing chamber (42) which are connected into a whole; the dust chamber (42) is positioned at the upper part of the dust hopper (41), and a coarse filter screen (43) is arranged in the dust chamber (42); the upper part of the coarse filter screen (43) is provided with a dust filtering device (44); the upper part of the dust filtering device (44) is provided with a blowing device (45); and a bag-type dust collector (46) and an exhaust pipe (47) are arranged at the upper part of the blowing device (45).

2. The dust removing device of the plasma melting furnace according to claim 1, wherein the dust filtering device (44) comprises an upper support plate (441), a lower support plate (442), and a filter cartridge (443) disposed between the upper support plate (441) and the lower support plate (442); a plurality of filter holes are symmetrically formed in the upper supporting plate (441) and the lower supporting plate (442); two ends of the filter cylinder (443) are fixed in the filter holes between the upper support plate (441) and the lower support plate (442); the filter cartridge (443) is a hollow cylinder made of polyester fiber by folding and rolling.

3. The plasma melting furnace dust removing apparatus according to claim 1, wherein the blowing means (45) comprises a blower (451), a supply duct (452), and an outlet duct (453), wherein the blower (451) is connected to the supply duct (452), the supply duct (452) is provided with a plurality of outlet ducts (453), and the outlet duct (453) faces the outlet of each filter cartridge (443).

4. The dust removing apparatus for a plasma melting furnace according to claim 1, wherein the lower end of the dust hopper (41) is connected to the recovery box (6) through a collecting pipe.

5. The plasma furnace dust collector of claim 1, wherein said dust chamber (42) is further provided with a movable door.