CN216827800U

CN216827800U - Dust removing device

Info

Publication number: CN216827800U
Application number: CN202220064579.8U
Authority: CN
Inventors: 郭凯岳; 刘江; 郭明威; 许艳梅; 吴智怀; 赵伟洁; 谢桂龙; 周景伟; 王梓; 孙蕊
Original assignee: Beijing Metallurgical Equipment Research Design Institute Co Ltd
Current assignee: Beijing Metallurgical Equipment Research Design Institute Co Ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-06-28
Anticipated expiration: 2032-01-11

Abstract

The utility model discloses a dust collector relates to dust removal technical field to it is big to solve a plurality of station dust collector area, the technical problem of operation process mutual interference. The dust removal device comprises a dust removal cover, a pipeline and a driving device for driving the dust removal cover to move between the stations, the pipeline is fixedly connected with the dust removal cover, and the pipeline is used for a passage of smoke dust of the dust removal cover; the pipeline have the canned paragraph with rotate connect in the canned paragraph movable section, the movable section with dust excluding hood fixed connection, the canned paragraph at least partly set up in each between the station. The utility model provides a dust collector is used for the dust removal of two at least ladle hot repair stations.

Description

Dust removing device

Technical Field

The utility model relates to a dust removal field especially relates to a dust collector.

Background

In the steel-making production, after each furnace steel is poured, the ladle needs to be subjected to hot repair, namely, an empty ladle is hoisted to a hot repair station to repair a sliding nozzle at the bottom of the ladle. The quality of ladle hot repair and the yield of steel making at high speed have a great influence. In the ladle hot repair process, oxygen is generally blown into a sliding gate, and ladle repair operation is completed through violent oxygen combustion. Therefore, a large amount of smoke is generated, causing pollution.

At present, the ladle hot repair process mainly treats smoke dust in two ways: a fixed dust cage and a movable dust cage. The fixed dust hood is usually used in the production of transporting steel ladles by rail cars, but most steel ladle hot repair stations in China are positioned on a molten steel receiving bay, and the travelling crane hoisting mode is adopted, so that not only is large space required, but also collision can be caused by operation errors of workers. And for the movable dust hood, the rail is adopted to translate the dust hood to a ladle hot repair station, but the movable dust hood is only suitable for one station. Under the general condition, the ladle hot repair station comprises two stations, wherein one station is used for repairing the ladle, the other station is used for hoisting, two movable dust hoods are arranged, the occupied area is large, and the operation processes are mutually interfered.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dust collector for flue gas dust removal that has two ladle hot repair stations.

In order to achieve the above object, the present invention provides the following technical solutions:

a dust removal device is used for removing dust of at least two stations and comprises a dust removal cover, a pipeline and a driving device for driving the dust removal cover to move between each station,

the pipeline is fixedly connected with the dust hood and is used for a smoke passage of the dust hood;

the pipeline have the canned paragraph with rotate connect in the movable section of canned paragraph, the movable section with dust excluding hood fixed connection, the canned paragraph at least partly set up in each between the station.

According to at least one embodiment of the present invention, the driving device comprises a driving member and a bracket disposed on the driving member, the bracket is fixedly connected to the dust hood,

the driving piece is used for enabling the dust hood to rotate around the fixed section.

According to at least one embodiment of the invention, the drive member comprises a trolley and a motor for driving the trolley,

the trolley is provided with at least one wheel in transmission connection with the motor, the wheel is a wheel without a wheel rim, the wheel is arranged on an arc-shaped track, and the track surface of the track is flush with the ground.

According to the utility model discloses an at least one embodiment, every the wheel with the frame of dolly is first contained angle, first contained angle is used for every the wheel with the track is tangent.

According to at least one embodiment of the present invention, at least two proximity switches are provided on the track, each proximity switch being used for stopping the trolley after the trolley reaches a corresponding station; and/or the presence of a gas in the gas,

the trolley is characterized in that at least two no-go gauges are further arranged on the track and used for preventing the trolley from derailing.

According to at least one embodiment of the present invention, the height of the bottom of the dust hood from the ground is at least 4 m.

According to at least one embodiment of the present invention, the fixed section and the movable section of the pipeline are connected by a rolling bearing, the rolling bearing comprises an upper bearing, a lower bearing and a sliding pad arranged between the upper bearing and the lower bearing;

the rotating bearing further comprises a limiting plate fixedly arranged on the lower bearing, the limiting plate is a plate with an L-shaped structure, and the limiting plate is used for limiting the outer circumferential surface and the upper end surface of the upper bearing.

According to at least one embodiment of the present invention, the rolling bearing further comprises an oil cup disposed on the lower bearing, wherein the oil cup is used for lubricating the rolling bearing.

According to at least one embodiment of the present invention, the material of the sliding pad is one of tin bronze, beryllium bronze, and tin brass.

According to the utility model discloses an at least one embodiment, the station is the ladle, the package mouthful the place ahead of ladle sets up fixed stop, fixed stop is close to one side of package mouth is provided with the flame retardant coating.

Compared with the prior art, the utility model discloses a dust collector has following advantage:

the utility model provides a dust collector is used for the dust removal of two at least stations, and dust collector includes dust excluding hood, pipeline and drive dust excluding hood at every the drive arrangement who removes between the station. The dust removing cover is communicated with the pipeline fixedly connected with the dust removing cover, so that the smoke collected by the dust removing cover is conveyed to the smoke treatment device through the pipeline. The pipeline divide into the canned paragraph and rotates to be connected in the movable segment of canned paragraph, and movable segment and dust excluding hood fixed connection for a dust excluding hood can remove dust respectively on two at least stations, and the canned paragraph at least partly sets up between each station, also uses a dust excluding hood to satisfy the dust removal needs of two stations, has saved occupation of land space and has practiced thrift investment cost, for the removal dust collector of translation formula among the prior art, because the utility model discloses the canned paragraph sets up between each station, can not disturb other operation productions. Therefore, the embodiment of the utility model provides a dust collector can solve the problem of the smoke and dust pollution of two stations, can reduce area again, reduces the inefficiency problem that technology cross operation brought, improves the on-the-spot suitability.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the principles of the invention.

Fig. 1 is a schematic top view of a dust removing device according to an embodiment of the present invention.

Fig. 2 is a schematic front view of a dust removing device according to an embodiment of the present invention.

Fig. 3a is a schematic cross-sectional view of a rotary bearing according to an embodiment of the present invention.

Fig. 3b is a schematic top view of a rotary bearing according to an embodiment of the present invention.

Fig. 4a is a schematic structural view of a trolley according to an embodiment of the present invention.

Fig. 4b is a schematic structural view of a driving member according to an embodiment of the present invention.

Fig. 4c is a schematic view of a driving member on a rail according to an embodiment of the invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention. It should be noted that, for convenience of description, only the parts related to the present invention are shown in the drawings.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict. The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.

In 2019, the national ecological environment ministry issues 'comments on promoting implementation of ultra-low emission in the steel industry', unorganized emission control in material storage, transportation and production process is required to be comprehensively enhanced, effective measures such as sealing and sealing are taken on the premise of ensuring production safety, the waste gas collection rate is effectively improved, and dust generation points and workshops cannot escape with visible smoke and dust.

In the steel-making production process, frequent overhaul needs to be carried out on the ladle, for example, after each steel-making production is finished, the ladle needs to be lifted to a ladle hot repair station to overhaul a bottom sliding nozzle. The hot overhaul process produces a great deal of smoke pollution in the ladle. The mode of current processing smoke and dust mainly has two kinds fixed dust cage and portable dust cage, however, fixed dust cage is not applicable to domestic production environment, collides at ladle handling in-process easily, adopts the mobile mode of translation to ladle hot repair station usually to portable dust cage, only is applicable to a station, to a plurality of ladles hot repair station, need dispose a plurality of portable dust cages, because the place space is narrow and small, the cross operation is difficult to effectively improve production efficiency more.

Referring to fig. 1-2, the dust removing apparatus provided in the embodiment of the present invention may be used for removing dust at two stations or removing dust at more stations. The dust removal device comprises a dust removal cover 1, a pipeline and a driving device for driving the dust removal cover 1 to move between each station, the pipeline is fixedly connected and communicated with the dust removal cover 1, and the pipeline is used for conveying the smoke dust of the dust removal cover 1 to the outside; the pipeline has the canned paragraph 4 and rotates the movable section 3 of connecting in canned paragraph 4, and movable section 3 and dust excluding hood 1 fixed connection, and canned paragraph 4 at least partly sets up between each station. Illustratively, the fixed section 4 is arranged between two stations, and the fixed section 4 is connected and fastened with the fixed bracket 6 through a welding annular positioning plate 17.

During specific implementation, when a station needs to remove dust, the driving device drives the dust hood 1 and the movable section 3 connected to the dust hood 1 to rotate along the fixed section 4 arranged between the stations until the dust hood 1 rotates to the station needing to remove dust, and when the station generates smoke dust, the smoke dust is collected by the dust hood 1 and is transmitted to external processing equipment from a pipeline. When dust removal is not needed in both stations, the dust hood 1 can be driven by the driving device to rotate between the two stations.

According to the dust removal device, the structure and the specific implementation process are known, the fixing section is arranged between the stations, illustratively, when the two stations are arranged, the fixing section is arranged between the two stations, occupied space can be greatly saved, investment cost is saved, and other operations are not influenced by lifting of equipment on the stations. The dust removal cover is driven by the driving device to rotate between each station and each station, so that the dust removal requirements of a plurality of stations can be met by using one dust removal device, the problem of inorganization emission and environmental pollution on the stations is well solved, and the national environmental protection treatment requirements are met. Because the dust excluding hood needs to carry out the transport of smoke and dust with the intercommunication pipeline, the pipeline has fixed section 4 and rotates the movable section 3 of connecting in fixed section 4, both can satisfy the smoke and dust and carry, also can guarantee the free rotation of dust excluding hood. Because the dust excluding hood can also rotate to the position in the middle of two stations under drive arrangement's drive, consequently can also conveniently arrange the space to the station and be used for other operation demands in a flexible way under the condition that two stations do not need the dust removal.

In some embodiments, the driving device includes a driving member and a bracket disposed on the driving member, the bracket is fixedly connected to the dust excluding hood 1, and the driving member is used for rotating the dust excluding hood 1 and the movable section 3 connected to the dust excluding hood 1 around the fixed section 4. The support comprises a horizontal support 2 which can completely bear the weight of the dust hood 1 and the movable section 3 and a vertical support which supports the horizontal support, wherein the vertical support is arranged on the driving part. That is, the vertical support and the fixed section 4 of the driving member support the dust hood 1 and the movable section 3 from two sides, so that the dust hood 1 is arranged on the upper part of the station needing dust removal. The support also can only include vertical support, and vertical support sets up on the driving piece, and vertical support keeps away from one side fixed connection of canned paragraph with dust excluding hood 1, also supports through vertical support and canned paragraph 4 respectively for dust excluding hood 1 and activity section 3's both sides, dust excluding hood 1 and activity section 3 self-supporting and vertical support and canned paragraph 4 between. The dust excluding hood 1 uses the band steel as the reinforcement muscle, and the mouth of ending department welds with fixed segment 3, gets into the sack cleaner through fixed segment 4 and carries out purification treatment. Illustratively, the vertical support is plate-shaped, and the vertical support can also play a role of a cover opening baffle.

Referring to fig. 4 a-4 b, the driving member in the above embodiment includes a cart and a motor 13 for driving the cart, the cart is provided with at least one wheel in transmission connection with the motor 13, the wheel is arranged on an arc-shaped rail 12, and the rail surface of the rail 12 is flush with the ground. Illustratively, the motor 13 may be drivingly connected to wheels through a speed reducer 14 to drive the cart to travel on the track surface of the track 12, it being understood that the wheels may be a set of wheels, a driving wheel 15 drivingly connected to the motor and a driven wheel 16 disposed at the other end of the frame 25 of the cart, it being understood that the driving wheel 15 and the driven wheel 16 may be a set of wheels disposed on an axle, such as a set of two wheels. The driving wheel 15 and the driven wheel 16 are rimless wheels and are arranged above the arc-shaped rails 12 in a tangent mode, and the rimless wheels are adopted to avoid the phenomenon of rail gnawing. The arc-shaped rail 12 is formed by bending I-shaped steel, is positioned on a foundation through a rail pressing device and a bolt, and the rail surface of the rail is flush with the bottom surface of the foundation, so that the vehicle is convenient to walk for on-site maintenance operation.

In some embodiments, each wheel is at a first angle to the frame 25 of the cart, the first angle being for each wheel to be tangent to the track. The first included angle is set according to the radian of the arc-shaped rail so as to ensure that the wheels and the I-shaped steel rail 12 do not gnaw the rail. Illustratively, the driving wheel 15 rotates to enable the driven wheel 16 and the trolley to walk back and forth on the arc-shaped I-shaped steel rail 12, the driving wheel 15 and the driven wheel 16 are welded with the frame 25 of the trolley at an angle of 7.5 degrees +/-1.5 degrees to ensure that the wheels are tangent to the arc-shaped I-shaped steel rail 12 to ensure accurate walking, and the wheels are tangent to the I-shaped steel rail 12 to ensure no rail gnawing.

In the above-mentioned embodiment, the arc-shaped track 12 may be a circular track or a semicircular track. Illustratively, the track 12 is a semicircular track, two proximity switches 11 are arranged at corresponding positions of each station for controlling the motor to stop, and after the trolley runs to the position, the proximity switch stopper 24 contacts the ground proximity switch 11 to send a stop signal to drive the motor 13 to stop working and brake the trolley to realize positioning and stopping; and the two ends of the track 12 are also welded with the no-go gauge 10, the no-go gauge 10 is processed by a thick steel plate, and the no-go gauge 10 is used for preventing the trolley from being punched out of the track.

In some embodiments, the height of the bottom end of the dust hood 1 is at least 4m from the ground. Alternatively 5 m. The space height of the dust hood 1 can ensure that vehicles below can pass through without hindrance when the dust hood is at the arc top position or the middle position (not at a station), so that the occupied area is greatly reduced, and the interference to field operation is reduced.

Referring to fig. 3 a-3 b, in some embodiments, the fixed section 4 and the movable section 3 of the pipeline are connected by a rotating bearing 5, and the rotating bearing 5 includes an upper bearing 19, a lower bearing 18, and a sliding pad 20 disposed between the upper bearing 19 and the lower bearing 18; the rotating bearing 5 further comprises a limiting plate 21 fixedly arranged on the lower bearing 18, the limiting plate 21 is a plate with an L-shaped structure, and the limiting plate 21 is used for limiting the outer circumferential surface and the upper end surface of the upper bearing 19. The lower bearing 19 is fixed on the fixed bracket 6 by welding through the connecting plate 22 and is fixed with the fixed section 4 by welding. The limit plate 21 is welded with the lower bearing 18 and limits the upper bearing 19 to rotate in the limit plate 21. The sliding pad 20 is installed between the upper bearing 19 and the lower bearing 18 to achieve sliding friction of the upper bearing 19 and the lower bearing 18. The upper bearing 19 and the lower bearing 18 are closely connected and matched in a limiting way through a limiting plate 21, and the device has the advantages of small error, high precision, safety, reliability and durability.

The rolling bearing 5 in the above embodiment further includes an oil cup 23 provided at the lower bearing 18, the oil cup 23 being used for lubrication of the rolling bearing. Illustratively, the oil cup 23 is an annular oil cup, and lubricating grease is added into the bearing through the oil cup 23, so that the sliding property of the rotary bearing is improved.

The sliding pad 20 in the above embodiment is made of one of tin bronze, beryllium bronze, and tin brass, and the sliding pad 20 is made of the above tin bronze, beryllium bronze, and tin brass with good wear resistance, so that the service life can be prolonged.

In some embodiments, the station in the above embodiments is a ladle, a fixed baffle 7 is arranged in front of a ladle opening of the ladle, and a fire-resistant layer 9 is arranged on one side of the fixed baffle 7 close to the ladle opening. The hot flue gas of dirt sediment is washed out and is strikeed and fix on the fixed stop 7 of base in a mouthful the place ahead in the package, is close to package mouthful one side and pours flame retardant coating 9 and improves the life-span of fixed stop 7, and opens viewing aperture 8 on the fixed stop 7 and make things convenient for the post personnel to observe and the operation, and flame retardant coating 9 can be the fire clay layer. The fixed baffle 7 has the functions of blocking and guiding the smoke, so that the hot smoke moves upwards, and the collection efficiency of the smoke is greatly improved. Optionally, the height of the fixed baffle 7 is larger than the ladle opening of the ladle.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are provided for clarity of description only, and are not intended to limit the scope of the invention. Other variations or modifications will occur to those skilled in the art based on the foregoing disclosure and are still within the scope of the invention.

Claims

1. The dust removal device is characterized by being used for removing dust of at least two stations, the dust removal device comprises a dust hood, a pipeline and a driving device for driving the dust hood to move between each station,

the pipeline have the canned paragraph with rotate connect in the canned paragraph movable section, the movable section with dust excluding hood fixed connection, the canned paragraph at least partly set up in each between the station.

2. The dust removing device of claim 1, wherein the driving device comprises a driving member and a bracket arranged on the driving member, the bracket is fixedly connected with the dust removing cover,

the driving piece is used for enabling the dust hood and the movable section to rotate around the fixed section.

3. The dust removing apparatus of claim 2, wherein the driving member includes a carriage and a motor for driving the carriage,

4. The dust extraction apparatus of claim 3 wherein each of said wheels is at a first angle to the frame of said cart, said first angle being for each of said wheels to be tangent to said track.

5. The dust collector as claimed in claim 3, wherein at least two proximity switches are arranged on the track, and each proximity switch is used for stopping the trolley after the trolley reaches a corresponding station; and/or the presence of a gas in the gas,

6. The dusting apparatus of claim 1 whereby the height of the bottom end of the hood from the ground is at least 4 m.

7. The dust collector of claim 1, wherein the fixed section and the movable section of the duct are connected by a rotary bearing, the rotary bearing comprising an upper bearing, a lower bearing, and a sliding pad disposed between the upper bearing and the lower bearing;

8. The dust collector of claim 7 wherein said rotary bearing further comprises an oil cup disposed in said lower bearing, said oil cup for lubricating said rotary bearing.

9. The dusting apparatus of claim 7 whereby the sliding pad is made of one of tin bronze, beryllium bronze, and tin brass.

10. The dust removing device of claim 1, wherein the station is a ladle, a fixed baffle is arranged in front of a ladle opening of the ladle, and a fire-resistant layer is arranged on one side of the fixed baffle, which is close to the ladle opening.